1. The utility model provides an inspection shaft lid with protective capability, includes prefabricated steel member (1) and well lid (2), its characterized in that: both sides of the inner end of the prefabricated steel component (1) are provided with limit grooves (3), both sides of the inner part of the well cover (2) are provided with limit cavities (4), a supporting spring (5) is fixedly connected inside the limiting cavity (4), the other end of the supporting spring (5) is fixedly connected with a limiting block (6) movably sleeved with the limiting cavity (4), a transition cavity (7) is arranged in the well lid (2), a plurality of groups of water inlet holes (8) which are arranged at equal intervals are arranged at the upper end of the transition cavity (7), the bottom of the transition cavity (7) is provided with a plurality of groups of drain holes (9) matched with the water inlet holes (8), both sides of the drain hole (9) are fixedly connected with a return spring (10), the upper end of the reset spring (10) is fixedly connected with a sealing plug (11), and the middle part of the upper end of the sealing plug (11) is fixedly connected with a push rod (12).

2. The inspection well cover with protection capability of claim 1, wherein: well lid (2) the middle part fixedly connected with fixed block (13) of bottom, removable cover (14) have been cup jointed in the bottom activity of prefabricated steel member (1), the equal fixedly connected with kickboard (15) in both sides of removable cover (14) bottom, and the middle part of removable cover (14) has seted up through-hole (16), the both sides of removable cover (14) are provided with row waterlogging pipe (26) of seting up at prefabricated steel member (1) middle part, the both sides at removable cover (14) upper end middle part all are seted up fluted (17), the bottom fixedly connected with other end and well lid (2) fixed connection's supporting spring (18) of recess (17), the equal fixedly connected with in both sides at removable cover (14) upper end middle part is located supporting spring (18) middle part and the bracing piece (19) that well lid (2) activity cup jointed.

3. The inspection well cover with protection capability of claim 1, wherein: the equal fixedly connected with slider (20) in both sides of bracing piece (19) upper end, slider (20) other end activity has cup jointed sleeve (21) that cup joints with well lid (2) activity, half a circle top-down's arc wall (22) have all been seted up to the both sides of sleeve (21) inner wall, middle part fixedly connected with cam (23) in the sleeve (21) outside, the outside of cam (23) is provided with sets up in the inside movable chamber (24) of well lid (2), the one end fixedly connected with of stopper (6) stretches into connecting rod (25) of movable chamber (24) inside.

4. The inspection well cover with protection capability of claim 1, wherein: an arc-shaped inclined plane is arranged at one end of the limiting groove (3).

5. The inspection well cover with protection capability of claim 1, wherein: the interior of the sealing plug (11) is made of a light foam board, and the surface of the sealing plug is wrapped with a rubber pad.

6. The inspection well cover with protection capability of claim 1, wherein: the size of the fixing block (13) is matched with that of the through hole (16), and the surface of the fixing block (13) is wrapped with a rubber pad.

Background

In urban construction, there are many underground pipelines, such as sewers, underground gas pipelines, water pipelines, power pipelines, communication pipelines, defense pipelines, etc., every section of the pipelines is provided with an outlet leading to the ground, the section from the pipeline to the ground is called a manhole, and the manhole is usually flush with the ground and is called a manhole cover for covering the manhole.

Firstly, as the inspection well cover has a drainage hole, the method leads to that some naughty children easily throw inflammable and explosive substances such as gun crusts and the like into the inspection well cover when adults do not notice the objects, and as the impurities at the bottom of the sewer are fermented, the method is very easy to generate inflammable and explosive gases such as methane and the like, so that great danger is brought frequently, and meanwhile, people easily drop some valuables into the sewer to influence the life of people; secondly, however, every time in the rainstorm season, the drainage system of the old urban areas of some cities is too old, the rainwater of the sewer flows into the sewer when the rainfall is too large, and strong water pressure sometimes even flushes the inspection well cover, so that pedestrians or vehicles can sink into the sewer without worrying about when walking, and the potential safety hazard is also great.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the inspection well cover with the protection capability, which has the advantages of safety in use and difficulty in losing, and solves the problems provided by the background technology.

The invention provides the following technical scheme: the utility model provides an inspection shaft lid with protective capability, includes prefabricated steel member and well lid, the spacing groove has all been seted up to the inner both sides of prefabricated steel member, spacing chamber has all been seted up to the inside both sides of well lid, the inside fixedly connected with supporting spring in spacing chamber, the stopper that the other end fixedly connected with and spacing chamber activity cup jointed of supporting spring, the inside excessive chamber of having seted up of well lid, the inlet opening that a plurality of groups equidistance were arranged is seted up to the upper end in excessive chamber, the wash port of a plurality of groups and inlet opening looks adaptation is seted up to the bottom in excessive chamber, the equal fixedly connected with reset spring in both sides of wash port, reset spring's upper end fixedly connected with sealing plug, the middle part fixedly connected with ejector pin of sealing plug upper end.

Preferably, the middle part fixedly connected with fixed block of well lid bottom, removable cover has been cup jointed in the bottom activity of prefabricated steel member, the equal fixedly connected with kickboard in both sides of removable cover bottom, and removable cover's middle part has seted up the through-hole, removable cover's both sides are provided with the drainage pipe of seting up at prefabricated steel member middle part, the both sides at removable cover upper end middle part are all seted up flutedly, the bottom fixedly connected with other end and well lid fixed connection's the supporting spring of recess, the equal fixedly connected with in both sides at removable cover upper end middle part is located the bracing piece that cup joints with the well lid activity at supporting spring middle part.

Preferably, the equal fixedly connected with slider in both sides of upper end of the support bar, the sleeve that cup joints with the well lid activity is cup jointed in the activity of the slider other end, half a circle top-down's arc wall has all been seted up to the both sides of sleeve inner wall, the middle part fixedly connected with cam in the sleeve outside, the outside of cam is provided with the activity chamber of seting up in the well lid inside, the one end fixedly connected with of stopper stretches into the connecting rod of activity intracavity portion.

Preferably, one end of the limiting groove is provided with an arc-shaped inclined plane.

Preferably, the interior of the sealing plug is made of a light foam plate, and the surface of the sealing plug is wrapped by a rubber pad.

Preferably, the size of the fixing block is matched with that of the through hole, and the surface of the fixing block is wrapped with a rubber pad.

The invention has the following beneficial effects:

1. through excessive chamber, the setting of sealing plug, because the sealing plug is laminated with the wash port upper end under reset spring's effect, plug up the wash port, not only can avoid the inside peculiar smell of sewer to spread, and can throw away flammable explosive such as big gun layer from the inlet opening when the child, make big gun layer etc. drop in excessive chamber, and the wash port is in encapsulated situation this moment, can prevent inside marsh gas of sewer and big gun layer contact completely, stop the inside marsh gas explosion of sewer and hinder the people, the article that people dropped simultaneously also directly drops in excessive chamber, can conveniently take out fast, can get rid of the potential safety hazard, bring the convenience for people.

2. Through the arrangement of the sealing plug and the ejector rod, when raining, rainwater flows into the transition cavity through the water inlet hole, the sealing plug can float upwards under the buoyancy action of the rainwater and can overcome the tension of the reset spring, the drain hole is opened for draining, the ejector rod at the upper end of the sealing plug is introduced into the water inlet hole corresponding to the sealing plug when the sealing plug rises, the water inlet hole can be dredged, and the situation that sundries such as leaves are remained in the water inlet hole to cause unsmooth drainage, so that the road surface water is accumulated, and the traffic of people is influenced is avoided.

3. Through the kickboard, the bracing piece, the sleeve, the setting of cam, when heavy rain, the rainwater violently rises, the sewer can't satisfy the drainage demand, the rainwater begins to irritate outward in the sewer, along with the rising of water level, it begins to rise to drive the removable cover under the buoyancy of kickboard, closely laminate with the well lid bottom and realize primary seal until the removable cover, the bracing piece moves up to the top simultaneously, make the sleeve drive the rotatory half of cam, the cam salient will support the connecting rod, support the stopper promptly, prevent that the well lid from being washed away by water pressure, can carry out secondary seal to the sewer, both sides drainage pipe is opened and is assisted the drainage simultaneously, the enclosing cover quilt rainwater is effectively avoided being washed away.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure B of the present invention;

FIG. 3 is an enlarged view of the structure C of the present invention;

FIG. 4 is a schematic cross-sectional view of structure A-A of the present invention;

FIG. 5 is an enlarged view of structure D of the present invention.

In the figure: 1. prefabricating a steel member; 2. a well cover; 3. a limiting groove; 4. a limiting cavity; 5. a support spring; 6. a limiting block; 7. a transition chamber; 8. a water inlet hole; 9. a drain hole; 10. a return spring; 11. a sealing plug; 12. a top rod; 13. a fixed block; 14. a removable cover plate; 15. a floating plate; 16. a through hole; 17. a groove; 18. a support spring; 19. a support bar; 20. a slider; 21. a sleeve; 22. an arc-shaped slot; 23. a cam; 24. a movable cavity; 25. a connecting rod; 26. and (4) a drainage pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-5, an inspection well cover with protection capability, includes prefabricated steel component 1 and well lid 2, limiting groove 3 has been all seted up to the both sides of prefabricated steel component 1 inner, limiting chamber 4 has all been seted up to the inside both sides of well lid 2, the inside fixedly connected with supporting spring 5 of limiting chamber 4, supporting spring 5's other end fixedly connected with and limiting block 6 of limiting chamber 4 activity cup joint, well lid 2 is inside has seted up excessive chamber 7, the upper end of excessive chamber 7 has seted up the inlet opening 8 that a plurality of groups equidistance were arranged, the bottom of excessive chamber 7 has seted up the wash port 9 of a plurality of groups and 8 looks adaptations of inlet opening, the equal fixedly connected with reset spring 10 in both sides of wash port 9, the upper end fixedly connected with sealing plug 11 of reset spring 10, the middle part fixedly connected with ejector pin 12 of 11 upper end.

Wherein, the middle part fixedly connected with fixed block 13 of 2 bottoms of well lid, removable cover 14 has been cup jointed in the bottom activity of prefabricated steel member 1, the equal fixedly connected with kickboard 15 in both sides of 14 bottoms of removable cover, and the through-hole 16 has been seted up at removable cover 14's middle part, removable cover 14's both sides are provided with the drainage pipe 26 of seting up at prefabricated steel member 1 middle part, recess 17 has all been seted up to the both sides at 14 upper end middle parts of removable cover, recess 17's the bottom fixedly connected with other end and well lid 2 fixed connection's supporting spring 18, the equal fixedly connected with in both sides at 14 upper end middle parts of removable cover is located the bracing piece 19 that cup joints with the well lid 2 activity in supporting spring 18 middle part.

Wherein, the equal fixedly connected with slider 20 in both sides of 19 upper ends of bracing pieces, the sleeve 21 that cup joints with the activity of well lid 2 is cup jointed in the activity of the other end of slider 20, half a circle top-down's arc 22 has all been seted up to the both sides of sleeve 21 inner wall, the middle part fixedly connected with cam 23 in the sleeve 21 outside, the outside of cam 23 is provided with the activity chamber 24 of seting up in the inside of well lid 2, and the one end fixedly connected with of stopper 6 stretches into the connecting rod 25 of the inside of activity chamber 24.

Wherein, an arc inclined plane is arranged at one end of the limiting groove 3.

Wherein, the inside of the sealing plug 11 is made of light foam board, and the surface thereof is wrapped with a rubber pad.

The size of the fixing block 13 is matched with that of the through hole 16, and a rubber pad is wrapped on the surface of the fixing block 13.

According to the working principle, when raining does not occur, the limiting blocks 6 on the two sides of the well lid 2 are clamped in the limiting grooves, workers can rotate the well lid 2 to enable the limiting blocks 6 on the two sides to slide out of the limiting grooves, so that the well lid 2 can be lifted, meanwhile, the sealing plug 11 is attached to the upper end of the drain hole 9 under the action of the reset spring 10 to block the drain hole 9, so that peculiar smell in a sewer can be prevented from spreading out, and when children throw inflammable and explosive materials such as gunpowder and the like out of the water inlet hole 8, the gunpowder and the like fall into the transition cavity 7, and the drain hole 9 is in a sealing state at the moment, so that methane in the sewer can be completely prevented from contacting with the gunpowder and the explosive, people are prevented from being injured by methane explosion in the sewer, meanwhile, the falling objects can also directly fall into the transition cavity 7, and can be conveniently and quickly taken out;

when rains fall, rainwater flows into the transition cavity 7 through the water inlet hole 8, the sealing plug 11 can float upwards under the action of buoyancy of the rainwater and overcome the tension of the return spring 10, the drain hole 9 is opened for draining, the ejector rod 12 at the upper end of the sealing plug 11 is introduced into the water inlet hole 8 corresponding to the sealing plug 11 when the sealing plug 11 rises, the water inlet hole 8 can be dredged, and the situation that sundries such as leaves are remained in the water inlet hole 8 to cause unsmooth drainage, so that water is accumulated on the road surface and the passing of people is influenced is avoided;

when heavy rain, the rainwater violently rises, the sewer can't satisfy the drainage demand, the rainwater begins to irritate outward in the sewer, along with the rising of water level, it begins to rise to drive removable cover 14 under the buoyancy of kickboard 15, closely laminate with the well lid bottom and realize primary seal until removable cover 14, bracing piece 19 moves up to the top simultaneously, make sleeve 21 drive the rotatory half-turn of cam 23, the cam 23 salient will support the connecting rod 25 and die, support stopper 6 promptly, prevent that the well lid from being washed away by water pressure, can carry out secondary seal to the sewer, both sides drainage pipe 26 is opened and is assisted the drainage simultaneously, the enclosing cover quilt rainwater has effectively been avoided being washed away.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.