1. An automatic-bonding drain pipe comprises a first water pipe (1) and a second water pipe (2), wherein a first base (3) is arranged at the upper end of the second water pipe (2), a first groove (4) which can be connected with the first water pipe (1) is arranged on the upper end face of the first base (3), a first through hole (5) which is communicated with the second water pipe (2) and can be used for inserting the first water pipe (1) into a pipe hole of the second water pipe (2) is arranged on the bottom face of the first groove (4), a first inner cavity (6) which can contain an adhesive is arranged in the first base (3), a second through hole (7) which is communicated with the first inner cavity (6) and can be used for allowing the adhesive to flow out of the first inner cavity (6) is arranged on the inner side wall of the first groove (4), a first extruding mechanism which can extrude the adhesive in the first inner cavity (6) to slide towards the second through hole (7) is arranged on the bottom face of the first groove (4), first water pipe (1) lateral wall circumference is equipped with the first spacing arch of annular (8) in can imbedding first recess (4), first spacing arch (8) lateral wall is connected with first sliding block (9) through a slewing mechanism circumferential direction, be equipped with in first sliding block (9) and carry out the cutting mechanism that cuts to the adhesive between first spacing arch (8) and first recess (4) inside wall.

2. An automatically bonded drain pipe according to claim 1 wherein: first recess (4) bottom surface is equipped with third through-hole (10) of first inner chamber of intercommunication (6), first extrusion mechanism includes first connecting rod (11) of sliding connection in third through-hole (10), fixedly connected with one transversely sets up first bottom plate (12) in first inner chamber (6) is stretched into to first connecting rod (11) lower extreme, stretch out second bottom plate (13) of first recess (4) bottom surface fixedly connected with one transversely setting on first connecting rod (11) upper end, be equipped with the sealing washer between first connecting rod (11) lateral wall and third through-hole (10) inside wall.

3. An automatically bonded drain pipe according to claim 1 wherein: first spacing arch (8) lateral wall circumference is equipped with first annular groove (14), first rotary mechanism is including can be along the gliding second sliding block (15) of first annular groove (14) internal circumference, first annular groove (14) one end fixed connection first sliding block (9) lateral wall is kept away from in second sliding block (15), second sliding block (15) lateral wall is equipped with the first stop gear who prevents that second sliding block (15) from droing in first annular groove (14).

4. An automatically bonded drain pipe according to claim 1 wherein: first sliding block (9) are close to fourth through-hole (16) that first spacing arch (8) one side vertically was equipped with the terminal surface about running through first sliding block (9), cutting mechanism includes second connecting rod (17) of sliding connection in fourth through-hole (16), fourth through-hole (16) lower extreme opening part is equipped with the second stop gear who prevents second connecting rod (17) and drop in fourth through-hole (16), second connecting rod (17) lower extreme is equipped with blade (25) that can insert clearance between first spacing arch (8) lateral wall and first recess (4) inside wall, second connecting rod (17) upper end stretches out first spacing arch (8) up end fixedly connected with can supply the user to push away second connecting rod (17) to the gliding push pedal (18) of first recess (4) direction.

5. An automatically bonded drain pipe according to claim 1 wherein: the outer side wall of the lower end of the first limiting protrusion (8) is provided with a first thread structure, and the inner side wall of the lower end of the first groove (4) is circumferentially provided with a second thread structure which can be in threaded connection with the first thread structure.

6. An automatically bonded drain pipe according to claim 3 wherein: first stop gear is including locating the second annular groove (19) of first annular groove (14) inside wall, the terminal surface all is equipped with one can imbed second spacing arch (20) in the second annular groove (19) about second sliding block (15), and imbeds second spacing arch (20) outside wall in the second annular groove (19) and the laminating of second annular groove (19) inside wall mutually.

7. An automatically bonded drain pipe according to claim 6 wherein: the second stop gear includes that circumference locates first annular arch (21) of fourth through-hole (16) lower extreme inside wall, the center of first annular arch (21) is equipped with fifth through-hole (22) that can supply second connecting rod (17) to pass, second connecting rod (17) lateral wall circumference is equipped with the annular arch of second (23), the annular arch of second (23) lateral wall is laminated with fourth through-hole (16) inside wall, the annular arch of second (23) is the rubber material.

8. An automatically bonded drain pipe according to claim 1 wherein: the upper end face of the first base (3) is provided with a cylindrical first groove (4), the first inner cavity (6) comprises a first cavity and a second cavity, the first cavity is arranged below the bottom face of the first groove (4) downwards, the second cavity is arranged in the side wall of the first base (3), the lower ends of the first cavity and the second cavity are communicated, the second through hole (7) is communicated with the inner side wall of the upper end of the second cavity, and a sealing sticker (24) capable of sealing the second through hole (7) is pasted at the position where the second through hole (7) is arranged on the inner side wall of the first groove (4).

Background

Drains are widely known as an integral part of sink drainage. In daily life, two drainage pipes are usually fixedly connected through threads. But the drain pipe through threaded connection can appear the connecting piece ageing hardly exemptedly in long-term use, and then leads to two water piping connection departments to appear the clearance, and the phenomenon that water can ooze from the clearance, just so need bond two water pipes through the mode of smearing waterproof adhesive this moment to prevent that water from oozing from the junction. Even if a waterproof adhesive is applied to the gap, water may sometimes seep out, which adds much trouble to daily life.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the automatic-bonding drainage pipe which is internally provided with the waterproof adhesive and can cut the adhesive.

The invention relates to an automatic-bonding drain pipe, which comprises a first water pipe and a second water pipe, wherein the upper end of the second water pipe is provided with a first base, the upper end surface of the first base is provided with a first groove which can be connected with the first water pipe, the bottom surface of the first groove is provided with a first through hole which is communicated with the second water pipe and can be used for inserting the first water pipe into a pipe hole of the second water pipe, the first base is internally provided with a first inner cavity which can contain adhesive, the inner side wall of the first groove is provided with a second through hole which is communicated with the first inner cavity and can be used for allowing the adhesive to flow out of the first inner cavity, the bottom surface of the first groove is provided with a first extrusion mechanism which can extrude the adhesive in the first inner cavity to slide towards the second through hole, the outer side wall of the first water pipe is circumferentially provided with an annular first limiting bulge which can be embedded into the first groove, the outer side wall of the first limiting bulge and the outer side wall of the first limiting bulge are circumferentially and rotationally connected with a first sliding block through a first rotating mechanism, be equipped with the cutting mechanism that can cut the adhesive between first spacing arch and the first recess inside wall in the first sliding block.

This technical scheme compares with the drain pipe in the current market, and this technical scheme adds on the connecting piece of two water pipes and has established from taking the adhesive inner chamber, when two water pipes carried out threaded connection, the adhesive in the inner chamber can extrude evenly to paint in two water piping connection departments because of receiving the extrusion in the through-hole, just can fill up the clearance between water pipe lateral wall and the connecting piece inside wall after the adhesive is dry to prevent that water from the connecting piece goes out to ooze. When the two water pipes need to be separated, the dried adhesive filled between the water pipes and the connecting piece can be cut by rotating the cutting mechanism connected to the outer side wall of the water pipe, so that the two water pipes can be separated.

When the first water pipe is inserted into the second water pipe in the technical scheme, the water outlet end of the first water pipe penetrates through the first through hole in the center of the first groove in the upper end surface of the first base and enters the pipe hole of the second water pipe. The first limiting bulge of the outer side wall of the first water pipe can be embedded into the first groove and continuously slides towards the bottom surface of the first groove until the first thread structure of the outer side wall of the lower end of the first limiting bulge is in threaded connection with the second thread structure of the inner side wall of the lower end of the first groove. In the process of connecting the first limiting protrusion and the inner side wall of the first groove through threads, the lower end face of the first limiting protrusion can abut against the upper end face of the second bottom plate of the first extrusion mechanism, and when the first limiting protrusion continuously slides to the bottom face of the first groove, the second bottom plate can continuously slide to the bottom face of the first groove due to the pushing of the first limiting protrusion. When the second bottom plate slides towards the first groove, the second bottom plate can push the first connecting rod to slide towards the first inner cavity in the third through hole, and further push the first bottom plate arranged in the first inner cavity to downwards extrude the adhesive in the first inner cavity. Because first spacing arch is continuous circumferential direction rotatory at threaded connection's in-process, consequently the adhesive slides in the clearance between first spacing arch and the first recess upper end inside wall from the second through-hole after, can evenly fill along with first spacing bellied circumferential direction, scribble in the clearance between first spacing arch and first recess upper end inside wall to make the clearance between first spacing arch and the first recess upper end inside wall filled completely by the adhesive. When the lower end face of the first limiting protrusion abuts against the bottom face of the first groove, the first water pipe and the second water pipe finish the inserting process. After the adhesive in the gap between the first limiting protrusion and the inner side wall of the upper end of the first groove is dried, water cannot seep out from the gap between the first limiting protrusion and the first groove.

When need be separated first water pipe and second water pipe among this technical scheme, need not the handheld knife of user and carry out the cutting. The user only needs to press the top pushing part extending out of the upper end face of the first sliding block, so that the second connecting rod slides towards the lower end face of the first sliding block in the fourth through hole, and the lower end of the second connecting rod is driven to slide towards the gap between the first limiting protrusion and the first groove. After in the blade of second connecting rod lower extreme inserted the binder after locating the drying in the clearance between first spacing arch and the first recess, the user just can cut the binder between first spacing arch and the first recess upper end inside wall along first spacing protruding lateral wall first sliding block of first sliding block along first spacing protruding lateral wall circumferential direction, blade until the user utilizes the blade to cut completely and wears the binder surface. At this time, the user can rotate the second water pipe to separate the second water pipe from the first water pipe through the thread structure.

As a preference: the first groove bottom surface is provided with a third through hole communicated with the first inner cavity, the first extrusion mechanism comprises a first connecting rod which is connected in the third through hole in a sliding manner, the lower end of the first connecting rod stretches into a first bottom plate which is fixedly connected with a transverse device in the first inner cavity, the upper end of the first connecting rod stretches out of a second bottom plate which is fixedly connected with a transverse device in the first groove bottom surface, and a sealing ring is arranged between the outer side wall of the first connecting rod and the inner side wall of the third through hole.

As a preference: first spacing protruding lateral wall circumference is equipped with first annular groove, and first rotary mechanism includes can be along the gliding second sliding block of first annular groove internal circumference, and first annular groove one end fixed connection first sliding block lateral wall is kept away from to the second sliding block, and the second sliding block lateral wall is equipped with the first stop gear who prevents that the second sliding block from droing in the first annular groove.

As a preference: the first sliding block is close to the fourth through hole that first spacing protruding one side vertically was equipped with the terminal surface about running through the first sliding block, cutting mechanism includes sliding connection in the second connecting rod of fourth through hole, fourth through hole lower extreme opening part is equipped with the second stop gear who prevents the second connecting rod from coming off from the fourth through hole, the second connecting rod lower extreme is equipped with the blade that can insert the clearance between first spacing protruding lateral wall and the first recess inside wall, the second connecting rod upper end stretches out first spacing protruding up end fixedly connected with and can supply the user to push away the gliding push pedal of second connecting rod to first recess direction.

As a preference: the outer side wall of the lower end of the first limiting protrusion is provided with a first thread structure, and the inner side wall of the lower end of the first groove is circumferentially provided with a second thread structure which can be in threaded connection with the first thread structure.

As a preference: first stop gear is including the annular groove of second of locating first annular groove inside wall, and the terminal surface all is equipped with the spacing arch of second that can imbed in the annular groove of second about the second sliding block, and the spacing protruding lateral wall of second that just imbeds in the annular groove of second and the laminating of the annular groove inside wall of second mutually.

As a preference: the second limiting mechanism comprises a first annular bulge circumferentially arranged on the inner side wall of the lower end of the fourth through hole, a fifth through hole through which the second connecting rod can pass is formed in the center of the first annular bulge, a second annular bulge is circumferentially arranged on the outer side wall of the second connecting rod, the outer side wall of the second annular bulge is attached to the inner side wall of the fourth through hole, and the second annular bulge is made of rubber.

As a preference: the upper end face of the first base is provided with a cylindrical first groove, the first inner cavity comprises a first cavity and a second cavity, the first cavity is arranged below the bottom face of the first groove downwards, the second cavity is arranged in the side wall of the first base, the lower ends of the first cavity and the second cavity are communicated, the second through hole is communicated with the inner side wall of the upper end of the second cavity, and the inner side wall of the first groove is provided with a seal paste, which is used for sealing the second through hole, and the seal paste is pasted at the position of the second through hole.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view of an automatic bonding drain pipe according to the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of fig. 1 at B.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Example 1: referring to fig. 1 to 3, in this embodiment, a first cylindrical base is fixedly connected to an upper end of the second water pipe, a first cylindrical groove is disposed in a center of an upper end surface of the first base, and a first through hole communicated with a pipe hole of the second water pipe is disposed in a center of a bottom surface of the first groove. The internal diameter of first through-hole is greater than the external diameter of first water pipe in this embodiment, therefore first water pipe can insert first through-hole and get into the pipe hole in the second water pipe, and this kind of grafting mode can prevent effectively that first water pipe from appearing the phenomenon that water oozes at first water pipe and second water piping connection department to second water pipe water delivery in-process. First water pipe lateral wall circumference is equipped with annular first spacing arch, and first spacing arch is the cylindric structure with the inside wall adaptation of first recess in this embodiment, promptly when first spacing arch insert first recess in back, first spacing protruding lateral wall can paste with the inside wall of first recess. However, even if the outer side wall of the first limiting protrusion is attached to the inner side wall of the first groove, a gap through which water can seep out still exists between the outer side wall of the first limiting protrusion and the inner side wall of the first groove.

Be equipped with first inner chamber in the first base, the intussuseption of first inner chamber is filled with waterproof edge sealing and glues, and first recess inside wall circumference interval is equipped with the second through-hole of 6 first inner chambers of intercommunication. In this embodiment, the longitudinal section of the first inner cavity is an L-shaped structure, the first inner cavity is composed of a longitudinally arranged second cavity and a transversely arranged first cavity, the first cavity is located below the bottom surface of the first groove, and the second cavity is located outside the inner side wall of the first groove.

The first recess bottom surface is equipped with the third through-hole of intercommunication first inner chamber, and the third through-hole communicates with the first cavity top surface of first inner chamber in this embodiment, and longitudinal sliding connection has first connecting rod in the third through-hole, and the lower extreme of first connecting rod stretches into first inner chamber fixedly connected with first bottom plate, and the first connecting rod stretches into the first cavity of first inner chamber promptly, and stretches into the first bottom plate of first connecting rod tip fixedly connected with one horizontal setting in the first cavity. One end of the first connecting rod, which is far away from the first inner cavity, extends out of the bottom surface of the first groove through the third through hole and is fixedly connected with a second bottom plate. When the first limiting bulge pushes the second bottom plate to slide towards the bottom surface of the first groove, the second bottom plate pushes the first bottom plate to downwards extrude the waterproof sealing glue of the first inner cavity through the first connecting rod. Waterproof banding is glued because being liquid, consequently receive waterproof banding glue after the extrusion can flow to second through-hole direction to in the clearance between first spacing protruding lateral wall of second through-hole entering and the first recess inside wall.

The outer side wall of the lower end of the first limiting protrusion is circumferentially provided with a first thread structure, and the inner side wall of the lower end of the first groove is provided with a second thread structure which can be matched with the first thread structure. When the first thread structure on the outer side wall of the first limiting protrusion is in threaded connection with the second thread structure on the inner side wall of the first groove, the first limiting protrusion and the first base rotate circumferentially relatively. Therefore, when the first limiting protrusion slides to the bottom surface of the first groove while rotating circumferentially, the waterproof sealing glue flowing out of the second through hole can be uniformly coated on the outer side wall of the first limiting protrusion until the waterproof sealing glue is filled in the gap between the outer side wall of the first limiting protrusion and the inner side wall of the first groove. After the waterproof edge sealing glue is dried, water cannot seep out from the joint of the first water pipe and the second water pipe.

Be equipped with first annular groove in first spacing protruding upper end lateral wall circumference, have the first sliding block of locating first spacing protruding lateral wall through second sliding block sliding connection in the first annular groove. The outer side wall of the second sliding block is attached to the inner side wall of the first annular groove, and the outer side wall of the second sliding block is in limited fit with the first annular groove through a first limiting mechanism. In this embodiment, the first limiting mechanism includes a second annular groove disposed on the top surface and the bottom surface of the inner side of the first annular groove, and the second annular groove and the first annular groove are the same central axis. The upper end face and the lower end face of the second sliding block are respectively provided with a second limiting protrusion which can be embedded into the second annular groove. The inner side wall of the second annular groove is of an arc-shaped structure, and the outer side wall of the second limiting protrusion is of an arc-shaped structure which can be tightly attached to the inner side wall of the second annular groove. The second sliding block extends out of one side of the first annular groove and is fixedly connected with the first sliding block.

The upper end face of the first sliding block, which is close to one side of the first limiting convex outer side wall, is provided with a fourth through hole which penetrates through the upper end face and the lower end face of the first sliding block, a second connecting rod is connected in the fourth through hole in a sliding manner, and the lower end of the second connecting rod is fixedly connected with a blade which can be inserted into a gap between the first limiting convex outer side wall and the first groove inner side wall. The upper end of the second connecting rod extends out of the upper end face of the first sliding block and then is fixedly connected with a pushing plate. Namely, the user only needs to press the pushing plate to drive the second connecting rod to slide downwards in the fourth through hole until the blade at the lower end of the second connecting rod is inserted into the gap between the outer side wall of the first limiting bulge and the inner side wall of the first groove.

The invention relates to an automatic bonding drain pipe, which comprises a first water pipe 1 and a second water pipe 2, wherein the upper end of the second water pipe 2 is provided with a first base 3, the upper end surface of the first base 3 is provided with a first groove 4 which can be connected with the first water pipe 1, the bottom surface of the first groove 4 is provided with a first through hole 5 which is communicated with the second water pipe 2 and can allow the first water pipe 1 to be inserted into a pipe hole of the second water pipe 2, the first base 3 is internally provided with a first inner cavity 6 which can contain adhesive, the inner side wall of the first groove 4 is provided with a second through hole 7 which is communicated with the first inner cavity 6 and can allow the adhesive to flow out of the first inner cavity 6, the bottom surface of the first groove 4 is provided with a first extrusion mechanism which can extrude the adhesive in the first inner cavity 6 to slide towards the second through hole 7, the outer side wall of the first water pipe 1 is circumferentially provided with a first limiting bulge 8 which can be embedded into the first groove 4, the outer side wall of the first limiting bulge 8 is circumferentially and rotatably connected with a first sliding block 9 through a first rotating mechanism, a cutting mechanism capable of cutting the adhesive between the first limiting protrusion 8 and the inner side wall of the first groove 4 is arranged in the first sliding block 9.

This technical scheme compares with the drain pipe in the current market, and this technical scheme adds on the connecting piece of two water pipes and has established from taking the adhesive inner chamber, when two water pipes carried out threaded connection, the adhesive in the inner chamber can extrude evenly to paint in two water piping connection departments because of receiving the extrusion in the through-hole, just can fill up the clearance between water pipe lateral wall and the connecting piece inside wall after the adhesive is dry to prevent that water from the connecting piece goes out to ooze. When the two water pipes need to be separated, the dried adhesive filled between the water pipes and the connecting piece can be cut by rotating the cutting mechanism connected to the outer side wall of the water pipe, so that the two water pipes can be separated.

When the first water pipe is inserted into the second water pipe in the technical scheme, the water outlet end of the first water pipe penetrates through the first through hole in the center of the first groove in the upper end surface of the first base and enters the pipe hole of the second water pipe. The first limiting bulge of the outer side wall of the first water pipe can be embedded into the first groove and continuously slides towards the bottom surface of the first groove until the first thread structure of the outer side wall of the lower end of the first limiting bulge is in threaded connection with the second thread structure of the inner side wall of the lower end of the first groove. In the process of connecting the first limiting protrusion and the inner side wall of the first groove through threads, the lower end face of the first limiting protrusion can abut against the upper end face of the second bottom plate of the first extrusion mechanism, and when the first limiting protrusion continuously slides to the bottom face of the first groove, the second bottom plate can continuously slide to the bottom face of the first groove due to the pushing of the first limiting protrusion. When the second bottom plate slides towards the first groove, the second bottom plate can push the first connecting rod to slide towards the first inner cavity in the third through hole, and further push the first bottom plate arranged in the first inner cavity to downwards extrude the adhesive in the first inner cavity. Because first spacing arch is continuous circumferential direction rotatory at threaded connection's in-process, consequently the adhesive slides in the clearance between first spacing arch and the first recess upper end inside wall from the second through-hole after, can evenly fill along with first spacing bellied circumferential direction, scribble in the clearance between first spacing arch and first recess upper end inside wall to make the clearance between first spacing arch and the first recess upper end inside wall filled completely by the adhesive. When the lower end face of the first limiting protrusion abuts against the bottom face of the first groove, the first water pipe and the second water pipe finish the inserting process. After the adhesive in the gap between the first limiting protrusion and the inner side wall of the upper end of the first groove is dried, water cannot seep out from the gap between the first limiting protrusion and the first groove.

When need be separated first water pipe and second water pipe among this technical scheme, need not the handheld knife of user and carry out the cutting. The user only needs to press the top pushing part extending out of the upper end face of the first sliding block, so that the second connecting rod slides towards the lower end face of the first sliding block in the fourth through hole, and the lower end of the second connecting rod is driven to slide towards the gap between the first limiting protrusion and the first groove. After in the blade of second connecting rod lower extreme inserted the binder after locating the drying in the clearance between first spacing arch and the first recess, the user just can cut the binder between first spacing arch and the first recess upper end inside wall along first spacing protruding lateral wall first sliding block of first sliding block along first spacing protruding lateral wall circumferential direction, blade until the user utilizes the blade to cut completely and wears the binder surface. At this time, the user can rotate the second water pipe to separate the second water pipe from the first water pipe through the thread structure.

As a preference: the bottom surface of the first groove 4 is provided with a third through hole 10 communicated with the first inner cavity 6, the first extrusion mechanism comprises a first connecting rod 11 connected in the third through hole 10 in a sliding manner, the lower end of the first connecting rod 11 extends into a first bottom plate 12 fixedly connected with a transverse setting in the first inner cavity 6, the upper end of the first connecting rod 11 extends out of a second bottom plate 13 fixedly connected with a transverse setting in the bottom surface of the first groove 4, and a sealing ring is arranged between the outer side wall of the first connecting rod 11 and the inner side wall of the third through hole 10.

As a preference: first spacing arch 8 lateral wall circumference is equipped with first annular groove 14, and first rotation mechanism includes can be along the gliding second sliding block 15 of first annular groove 14 internal circumference, and first annular groove 14 one end fixed connection 9 lateral wall is kept away from to second sliding block 15, and second sliding block 15 lateral wall is equipped with the first stop gear who prevents that second sliding block 15 from droing in first annular groove 14.

As a preference: first sliding block 9 is close to first spacing protruding 8 one side and vertically is equipped with the fourth through-hole 16 that runs through first sliding block 9 up and down terminal surface, cutting mechanism includes second connecting rod 17 of sliding connection in fourth through-hole 16, fourth through-hole 16 lower extreme opening part is equipped with the second stop gear who prevents second connecting rod 17 from coming off in the fourth through-hole 16, second connecting rod 17 lower extreme is equipped with the blade 25 that can insert the clearance between first spacing protruding 8 lateral wall and the first recess 4 inside wall, second connecting rod 17 upper end stretches out first spacing protruding 8 up end fixedly connected with can supply the user to push up the gliding push pedal 18 of second connecting rod 17 to first recess 4 direction.

As a preference: the outer side wall of the lower end of the first limiting protrusion 8 is provided with a first thread structure, and the inner side wall of the lower end of the first groove 4 is circumferentially provided with a second thread structure which can be in threaded connection with the first thread structure.

As a preference: first stop gear is including locating the second annular groove 19 of first annular groove 14 inside wall, and the up and down terminal surface of second sliding block 15 all is equipped with the spacing arch 20 of second that can imbed in the second annular groove 19, and the spacing arch 20 lateral wall of second that just imbeds in the second annular groove 19 is laminated with the second annular groove 19 inside wall mutually.

As a preference: the second limiting mechanism comprises a first annular bulge 21 circumferentially arranged on the inner side wall of the lower end of the fourth through hole 16, a fifth through hole 22 allowing the second connecting rod 17 to penetrate is formed in the center of the first annular bulge 21, a second annular bulge 23 is circumferentially arranged on the outer side wall of the second connecting rod 17, the outer side wall of the second annular bulge 23 is attached to the inner side wall of the fourth through hole 16, and the second annular bulge 23 is made of rubber.

As a preference: the upper end face of the first base 3 is provided with a cylindrical first groove 4, the first inner cavity 6 comprises a first cavity and a second cavity, the first cavity is arranged below the bottom face of the first groove 4 downwards, the second cavity is arranged in the side wall of the first base 3, the lower ends of the first cavity and the second cavity are communicated, the second through hole 7 is communicated with the inner side wall of the upper end of the second cavity, and a sealing sticker 24 capable of sealing the second through hole 7 is arranged on the inner side wall of the first groove 4 and pasted at the position of the second through hole 7. In this technical scheme, if first water pipe need not to realize being connected with the second water pipe, sealed subsides just need not to tear, and the phenomenon of solidification just can not appear in the adhesive in the first inner chamber. When needs are pegged graft first water pipe and second water pipe, tear sealed the subsides, the adhesive in the first inner chamber can flow out from the second through-hole when receiving the extrusion.