1. A bathtub drain connection, comprising: the bathtub water outlet adjusting device comprises a pipeline matched with a bathtub water outlet, an adjusting spring sleeved on the pipeline and positioned below the bathtub wall and used for pressing the bathtub wall, and a locking sleeve sleeved on the pipeline and positioned below the adjusting spring and used for pressing the adjusting spring, wherein ratchets are arranged on the outer wall of the pipeline, the adjusting spring surrounds the periphery of the ratchets, a buckle button capable of being locked at the ratchets to enable the locking sleeve to be fastened on the pipeline and unlocked to enable the locking sleeve to be detached from the pipeline is arranged at the position, corresponding to the ratchets, on the locking sleeve, a locking lever capable of enabling the buckle button to move upwards to be locked at the ratchets of the pipeline and enabling the locking sleeve to move upwards to press the adjusting spring is further arranged at the position, corresponding to the ratchets, on the locking sleeve.

2. A bathtub drain connection as defined in claim 1, wherein: the locking sleeve is opened along the circumferencial direction has a plurality of cooperation grooves of even interval distribution, and every cooperation groove department all installs one the buckle button, partial cooperation groove department installs the locking lever.

3. A bathtub drain connection as defined in claim 2, wherein: the buckle button comprises a locking arm and a pressing unlocking arm, the locking arm is obliquely arranged at the matching groove, one end of the locking arm is positioned on the inner side of the matching groove and locked at the ratchet, the other end of the locking arm is positioned on the outer side of the matching groove and is bent upwards to form the pressing unlocking arm, a reset spring which enables the locking arm to be locked at the ratchet is connected between the pressing unlocking arm and the outer wall of the locking sleeve above the matching groove, and the axis direction of the reset spring is consistent with the diameter direction of the locking sleeve.

4. A bathtub drain connection as defined in claim 3, wherein: the pressing unlocking arm protrudes towards the locking sleeve side to form a connecting arm, the connecting arm is connected with the reset spring, the upper side face of the locking arm protrudes towards the upper side face to form a jacking column, and the jacking column is jacked and pressed on the top wall of the matching groove.

5. A bathtub drain connection as defined in claim 3, wherein: the number of cooperation groove is four, divide into two relative cooperation grooves one and two relative cooperation grooves two, and two cooperation grooves two are greater than two cooperation grooves one along the axial length of lock sleeve, all install one in each cooperation groove two the locking lever.

6. A bathtub drain connection as defined in claim 5, wherein: the outer wall of lock sleeve is at the protruding convex wall that forms of the axial both sides evagination of edge lock sleeve of each cooperation groove, and the locking arm is connected with the protruding wall of both sides is articulated, and the lower extreme of the protruding wall of each cooperation groove one both sides links to each other through horizontal fender wall, and the protruding wall middle part of the both sides of each cooperation groove two links to each other through the baffle, and the locking lever of each cooperation groove two places is located the below of baffle, and the locking lever of each cooperation groove two places is connected with the protruding wall of cooperation groove two both sides is articulated, and the buckle button of each cooperation groove two places is located the top of baffle.

7. The bathtub drain connection of claim 6, wherein: the locking lever is obliquely arranged at the second matching groove, one end of the locking lever is positioned on the inner side of the second matching groove and abuts against the ratchet, the other end of the locking lever is positioned on the outer side of the second matching groove, the oblique directions of the locking lever and the locking arm are opposite, and the extending directions of the other ends of the locking lever and the locking arm are far away from the partition plate.

8. The bathtub drain connection of claim 7, wherein: the lower edge of each matching groove II is an inclined edge, and the inclined edge is parallel to the locking lever.

9. The bathtub drain connection of claim 8, wherein: the ratchet on the pipeline has four groups in total, and the four groups of ratchet are evenly distributed along the circumferential direction of the pipeline at intervals and are in one-to-one correspondence with the four matching grooves.

10. A bathtub drain connection as defined in claim 9, wherein: four groups of ratchets all form from pipeline outer wall indent on, every group ratchet comprises a plurality of teeth that distribute side by side along the pipeline axial, the cross-section of each tooth is the triangle-shaped shape, the upper surface of each tooth is the plane, the lower surface of each tooth is the inclined plane, be the triangle-shaped caulking groove between every two adjacent teeth, the one end that the locking arm is located the cooperation inslot side agrees with the end for the triangle of card in the triangle-shaped caulking groove, the upper surface that the triangle agrees with the end is the cambered surface, the one end that the locking lever is located the cooperation inslot side is the triangle and supports to lean on the end, the triangle supports to lean on the end and supports to lean on the closed angle department that leans on the tooth.

Background

In order to facilitate the disassembly and assembly of the bathtub water outlet by people, the traditional bathtub water outlet is connected by threads, the threads are locked by utilizing the friction force between the threads, and the axial pretightening force is larger and is tighter. However, the axial pretightening force is applied by radial rotation and is not consistent with the force direction, so that the axial pretightening force is more laborious and the dismounting process is complicated.

Disclosure of Invention

The invention aims to provide a bathtub water outlet connecting device which is simple and labor-saving to disassemble and assemble.

In order to achieve the purpose, the invention provides a bathtub water outlet connecting device which comprises a pipeline matched with a bathtub water outlet, an adjusting spring sleeved on the pipeline and positioned below a bathtub wall and used for pressing the bathtub wall, and a locking sleeve sleeved on the pipeline and positioned below the adjusting spring and used for pressing the adjusting spring, wherein ratchets are arranged on the outer wall of the pipeline, the adjusting spring surrounds the periphery of the ratchets, a buckle button which can be locked at the ratchets to enable the locking sleeve to be fastened on the pipeline and unlocked to enable the locking sleeve to be detached from the pipeline is arranged at the position, corresponding to the ratchets, on the locking sleeve, a locking lever which can enable the buckle button to move upwards and be locked at the ratchets of the pipeline and enable the locking sleeve to move upwards to press the adjusting spring is also arranged at the position, corresponding to the ratchets, on the locking sleeve.

As a further improvement of the invention, the locking sleeve is provided with a plurality of matching grooves which are distributed at equal intervals along the circumferential direction, each matching groove is provided with one buckle button, and part of the matching grooves are provided with the locking lever.

As a further improvement of the invention, the buckle button comprises a locking arm and a pressing unlocking arm, the locking arm is obliquely arranged at the matching groove, one end of the locking arm is positioned at the inner side of the matching groove and locked at the ratchet, the other end of the locking arm is positioned at the outer side of the matching groove and bent upwards to form the pressing unlocking arm, a reset spring which enables the locking arm to be locked at the ratchet is connected between the pressing unlocking arm and the outer wall of the locking sleeve above the matching groove, and the axial direction of the reset spring is consistent with the diameter direction of the locking sleeve.

As a further improvement of the invention, the press unlocking arm protrudes towards the locking sleeve side to form a connecting arm, the connecting arm is connected with the return spring, the upper side surface of the locking arm protrudes towards the top to form a jacking column, and the jacking column is jacked and pressed at the top wall of the matching groove.

As a further improvement of the invention, the number of the matching grooves is four, the matching grooves are divided into two opposite matching grooves I and two opposite matching grooves II, the length of the two matching grooves II along the axial direction of the locking sleeve is larger than that of the two matching grooves I along the axial direction of the locking sleeve, and the locking lever is arranged in each matching groove II.

As a further improvement of the invention, the outer wall of the locking sleeve protrudes outwards on two sides of each matching groove along the axial direction of the locking sleeve to form convex walls, the locking arms are hinged with the convex walls on the two sides, the lower ends of the convex walls on the two sides of each matching groove I are connected through a transverse retaining wall, the middle parts of the convex walls on the two sides of each matching groove II are connected through a partition plate, the locking lever at each matching groove II is positioned below the partition plate, the locking lever at each matching groove II is hinged with the convex walls on the two sides of the matching groove II, and the buckle button at each matching groove II is positioned above the partition plate.

As a further improvement of the invention, the locking lever is obliquely arranged at the second matching groove, one end of the locking lever is positioned at the inner side of the second matching groove and abuts against the ratchet, the other end of the locking lever is positioned at the outer side of the second matching groove, the inclination directions of the locking lever and the locking arm are opposite, and the extension directions of the other ends of the locking lever and the locking arm are far away from the partition plate.

As a further improvement of the invention, the lower edge of each second matching groove is an inclined edge which is parallel to the locking lever.

As a further improvement of the invention, the ratchets on the pipeline have four groups, and the four groups of ratchets are uniformly distributed along the circumferential direction of the pipeline at intervals and correspond to the four matching grooves one by one.

As a further improvement of the invention, the four groups of ratchets are all formed by inwards recessing the outer wall of the pipeline, each group of ratchets is formed by a plurality of teeth which are distributed in parallel along the axial direction of the pipeline, the section of each tooth is triangular, the upper surface of each tooth is a plane, the lower surface of each tooth is an inclined plane, a triangular caulking groove is formed between every two adjacent teeth, one end of the locking arm, which is positioned at the inner side of the matching groove, is a triangular conjunction end clamped in the triangular caulking groove, the upper surface of the triangular conjunction end is an arc surface, one end of the locking lever, which is positioned at the inner side of the matching groove, is a triangular abutting end, and the triangular abutting end abuts against the sharp corner of the tooth.

Compared with the prior art, the bathtub water outlet connecting device has the beneficial effects that:

(1) the threaded connection structure is converted into the locking connection structure, the clamping effect is achieved through the adjusting spring, the buckle button and the locking lever, the structure similar to a ratchet wheel is utilized for self-locking, the locking lever is used for applying axial force to assist locking, the direction of the applied axial force is consistent with the movement direction, the locking lever can amplify input force and provide larger output force, and the locking lever are combined, so that the labor is saved, the manual output is reduced, the installation efficiency of the water outlet is improved, and the installation of the device is facilitated; play the effect of unblock through the buckle button, only need press the buckle button when this device is dismantled, whole device can play under the effect of adjustment spring, later take off can, dismantle simple laborsaving, improve the dismantlement efficiency, greatly reduced manpower and the loaded down with trivial details of dismantling.

(2) The device can be clamped and prevented from slipping by adopting a plurality of groups of ratchets.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings, which illustrate embodiments of the invention.

Drawings

FIG. 1 is a first perspective view of a bathtub drain connection assembly.

Fig. 2 is a second perspective view of the bathtub drain connection device.

Figure 3 is a half-sectional schematic view of a bathtub drain connection.

FIG. 4 is a schematic view of a bathtub drain connection.

Fig. 5 is a perspective view of the locking sleeve.

Fig. 6 is a perspective view of a conduit.

Fig. 7 is a perspective view of the snap button.

Fig. 8 is a perspective view of the locking lever.

The reference numbers illustrate: the bathtub comprises a pipeline 1, a ratchet 11, a tooth 111, a triangular caulking groove 112, an adjusting spring 2, a locking sleeve 3, a matching groove 31, a matching groove I311, a matching groove II 312, an inclined edge a, a convex wall 32, a transverse blocking wall 33, a partition plate 34, a buckle button 4, a locking arm 41, a jacking column 411, a triangular matching end 412, a pressing unlocking arm 42, a connecting arm 421, a reset spring 43, a locking lever 5, a triangular abutting end 51 and a bathtub wall 100.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements.

Referring to fig. 1-8, the bathtub drain connection device includes a pipe 1 matching with the bathtub drain, an adjusting spring 2 sleeved on the pipe 1 and located below the bathtub wall 100 for pressing the bathtub wall, and a locking sleeve 3 sleeved on the pipe and located below the adjusting spring 2 for pressing the adjusting spring.

The outer wall of the pipeline 1 is provided with a ratchet 11, the adjusting spring 2 surrounds the periphery of the ratchet 11, and the adjusting spring 2 is used for auxiliary compression of the bathtub water outlet connecting device. The ratchets 11 on the pipeline 1 are four groups in total, and the four groups of ratchets 11 are uniformly distributed at intervals along the circumferential direction of the pipeline 1, so that the stress can be balanced. The four groups of ratchets 11 are all formed by the inner concave of the outer wall of the pipeline 1, so that the whole bathtub drainage port connecting device is prevented from rotating and radially shaking when locked. Each group of ratchet teeth 11 is composed of a plurality of teeth 111 which are distributed in parallel along the axial direction of the pipeline 1, the section of each tooth 111 is triangular, the upper surface of each tooth 111 is a plane, the lower surface of each tooth 111 is an inclined surface, and a triangular caulking groove 112 is formed between every two adjacent teeth 111.

And a buckle button 4 which can be locked at the position of the ratchet 11 to ensure that the locking sleeve 3 is fastened on the pipeline 1 and can be unlocked to ensure that the locking sleeve 3 is detached from the pipeline 1 is arranged on the locking sleeve 3 at the position corresponding to the ratchet. The locking sleeve 3 is also provided with a locking lever 5 which can enable the buckle button 4 to move upwards and lock the ratchet 11 of the pipeline 1 and enable the locking sleeve 3 to move upwards to press the adjusting spring 2 at the position corresponding to the ratchet 11.

A plurality of matching grooves 31 distributed at even intervals are formed in the locking sleeve 3 in the circumferential direction, one is installed at each matching groove 31, the buckle button 4 is installed at part of the matching grooves, and the locking lever 5 is installed at part of the matching grooves. The number of the matching grooves 31 is four, the matching grooves are divided into two opposite matching grooves I311 and two opposite matching grooves II 312, the length of the two matching grooves II 312 along the axial direction of the locking sleeve 3 is larger than the length of the two matching grooves I311 along the axial direction of the locking sleeve 3, and one locking lever 5 is installed in each matching groove II 312. The lower edge of each second engaging groove 312 is an inclined edge a. The four fitting grooves 31 correspond one-to-one to the four sets of ratchet teeth 11.

The outer wall of the locking sleeve 3 is convexly provided with convex walls 32 at two sides of each matching groove 31 along the axial direction of the locking sleeve 3, and the lower ends of the convex walls 32 at two sides of each matching groove 311 are connected through a transverse retaining wall 33. The middle parts of the convex walls 32 at the two sides of each matching groove II 312 are connected through a partition plate 34.

The snap button 4 comprises a locking arm 41 and a press release arm 42. The locking arm 41 is obliquely arranged at the matching groove 31, and the locking arm 41 is hinged with the convex walls 32 at two sides. The snap button 4 at each mating slot two 312 is located above the spacer 34. The upper side of the locking arm 41 is projected toward to form a pressing column 411, and the pressing column 411 presses against the top wall of the fitting groove 31. One end of the lock arm 41 is located inside the fitting groove 31 and locked at the ratchet 11, and the other end of the lock arm 41 is located outside the fitting groove 31 and bent upward to form the press unlocking arm 42. One end of the locking arm 41 located inside the fitting groove 31 is a triangular fitting end 412 clamped in the triangular caulking groove 112, and the upper surface of the triangular fitting end 412 is an arc surface. A return spring 43 for locking the locking arm 41 to the ratchet 11 is connected between the press unlocking arm 42 and the outer wall of the locking sleeve 3 above the fitting groove 11, and the axial direction of the return spring 43 is the same as the diameter direction of the locking sleeve 3. The unlocking arm 42 is pressed to protrude toward the locking sleeve 3 to form a connecting arm 421, and the connecting arm 421 is connected with the return spring 43.

The locking lever 5 is obliquely arranged at the second matching groove 312, the locking lever 5 at each second matching groove 312 is positioned below the partition plate 34, and the locking lever 5 at each second matching groove 312 is hinged with the convex wall 32 at two sides of the second matching groove 312. One end of the locking lever 5 is positioned inside the second matching groove 312 and abuts against the ratchet 11, and the other end of the locking lever 5 is positioned outside the second matching groove 312. One end of the locking lever 5 located inside the fitting groove 31 is a triangular abutting end 51, and the triangular abutting end 51 abuts against the sharp corner of the tooth 111. The locking lever 5 and the locking arm 41 are inclined in opposite directions, and the other ends of the locking lever 5 and the locking arm 41 are extended away from the partition 34. The locking lever 5 is parallel to the inclined edge a.

During installation: the pipeline 1 is inserted into the water outlet of the bathtub, the adjusting spring 2 is sleeved on the pipeline, and then the locking sleeve 3 is sleeved on the pipeline. The locking sleeve 3 can move up and down on the periphery of the pipeline 1 when not locked, so that the locking sleeve 3 is pushed up by pinching with hands, the locking sleeve 3 has an upward force acting on the adjusting spring 2, the adjusting spring 2 is pushed upwards, the adjusting spring 2 can generate a downward force to react on the locking sleeve 3, and the buckle button 4 is clamped on the ratchet 11 on the pipeline 1 to achieve the self-locking function; the buckle button 4 is a swingable structure matched with the locking sleeve 3, and is extruded towards the direction of the pipeline 1 under the action of the return spring 43, because the return spring 43 always gives a radial outward force to the buckle button 4, the other end of the buckle button 4 can always radially press the pipeline 1 and is clamped on the ratchets 11 on the pipeline 1 to realize clamping and self-locking, each tooth 111 of each group of ratchets 11 has a locking effect, when the whole bathtub water outlet connecting device is upwards, namely in the locking process, the buckle button 4 is forced to be ejected under the action of the lower surfaces (namely inclined surfaces) of the ratchets 11 so as to slide into the next triangular caulking groove 112, and the lock is more tightly moved upwards to carry out self-locking; after the locking sleeve 3 is pushed up to a certain degree under the action of manpower, the locking lever 5 is broken off with the fingers and thumb by utilizing the lever principle, and the final clamping is realized, so that the installation of the novel bathtub water outlet connecting device is realized. The locking lever 5 acts as an auxiliary pressing device, and replaces the friction of human hands to press the locking sleeve upwards.

When the disassembly is carried out: only need press buckle button 4, make the triangle of buckle button 4 agree with end 412 roll-off triangle-shaped caulking groove 112, under the spring action of adjustment spring 2, other devices except that pipeline 1 all can pop out downwards, realize novel bathtub outlet connection device's dismantlement.

Compared with the prior art, the bathtub water outlet connecting device renovates the original bathtub water outlet connecting structure, converts the threaded connecting structure into the locking connecting structure, and greatly reduces the manpower and the complexity of disassembly and assembly.

The device utilizes a structure similar to a ratchet wheel to realize self-locking, the locking lever 5 is used for applying axial force to assist locking, the direction of the applied axial force is consistent with the movement direction, the lever structure can amplify the input force and provide larger output force, and the lever structure can save more labor when combined with the lever structure, reduce the output of manpower, improve the efficiency of dismounting the water outlet and facilitate the dismounting of the device; when the device is detached, only the buckle button 4 needs to be pressed, and the whole device can be ejected out under the action of the adjusting spring 2 and then taken down. Multiple sets of ratchet teeth 11 can clamp the device and prevent it from slipping.

The present invention has been described in connection with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, and is intended to cover various modifications, equivalent combinations, which are made in accordance with the spirit of the present invention.