CN214116915U

CN214116915U - Novel assembled inspection shaft connection structure

Info

Publication number: CN214116915U
Application number: CN202023343362.0U
Authority: CN
Inventors: 王亚东; 曹爱清; 贾新阳
Original assignee: Beijing Miyun Cement Products Co ltd
Current assignee: Beijing Miyun Cement Products Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-03
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a novel assembled inspection shaft connection structure in underground drainage pipe field, it includes the well body and sets up the drain pipe around the well body, the global butt joint pipe that communicates each other with the internal portion of well that is provided with of well, the diameter of drain pipe outer peripheral face equals the diameter of butt joint inside pipe wall, the drain pipe grafting terminal surface is provided with annular the pad that blocks water, the butt joint inside pipe wall is provided with and is used for and blocks water the water ring board that seals that the pad pressed each other, the outer peripheral face of drain pipe still is provided with and makes the water ring board and the tight locking Assembly who presses of pad that blocks water. This application has reduced the well body and has taken place with the drain pipe joint gap condition of leaking, is difficult for causing sinking of inspection shaft.

Description

Novel assembled inspection shaft connection structure

Technical Field

The utility model relates to an underground drainage pipe field especially relates to a novel assembled inspection shaft connection structure.

Background

The inspection well is used for maintaining power supply, water drainage, pollution discharge, communication cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and is convenient to install. It is usually installed at the intersection of pipelines, turning, where the pipe diameter or slope changes, and at certain intervals on straight pipeline sections, and is convenient for regular inspection of the attached structures.

A common inspection well for drainage type comprises a vertically arranged well body and drainage pipes which are arranged on the peripheral surface of the well body and are communicated with the inside of the well body. The periphery of the well body is provided with a water through hole, the conventional connection mode of the well body and the drain pipe is that a socket of the drain pipe is inserted into the water through hole of the well body, then the connection position of the drain pipe and the water through hole is subjected to water closing treatment, and the water closing treatment is mainly to coat cement mortar on a gap between the drain pipe and the inner wall of the water through hole for plugging, so that the drain pipe and the well body are connected and fixed.

After the inspection well is used for a long time, the connecting gap of the drain pipe and the well body is often washed away by a water source, and when the water pressure in the well body is large, the acting force along the extending direction of the drain pipe can be applied to the connecting gap of the drain pipe and the well body, so that the cement mortar is easily broken and separated, and the water leakage is caused. The water source leaks around the well body and contacts with the soil layer, so that the soil layer is easy to sink, and the bottom surface of the peripheral surface of the inspection well sinks.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a novel assembled inspection shaft connection structure, its advantage has reduced the well body and has taken place with the drainage pipe connection gap condition of leaking, is difficult for causing sinking of inspection shaft.

The application provides a fabricated inspection well connection structure adopts following technical scheme:

the utility model provides a novel assembled inspection shaft connection structure, includes the well body and sets up the drain pipe around the well body, the global butt joint pipe that communicates each other with the internal portion of well that is provided with of well, the diameter of drain pipe outer peripheral face equals the diameter of butt joint inside pipe wall, the drain pipe end face of pegging graft is provided with annular the pad that blocks water, the butt joint inside pipe wall is provided with and is used for and blocks water the water ring board that seals that the pad pressed each other, the outer peripheral face of drain pipe still is provided with makes and seals the water ring board and blocks water the locking Assembly who tightly presses of pad.

Through adopting above-mentioned technical scheme, it is intraductal to insert into the butt joint with the drain pipe tip, because the drain pipe is mutually supported with the pipe diameter of butt joint pipe, make the drain pipe after pegging graft and the tighter of butt joint pipe grafting, the condition of leaking has been reduced, and under locking Assembly's drive, make the drain pipe insert more deeply in the butt joint pipe, make the inseparable and water-blocking ring board of water blocking pad lean on each other, under the effect of locking Assembly pressure, the connecting gap of drain pipe and butt joint pipe tip has been filled through the deformation of water blocking pad, the butt joint gap of drain pipe and butt joint pipe has been improved greatly, it takes place to have reduced the well body and the water piping connection gap condition of leaking, be difficult for causing sinking of inspection shaft.

Preferably, the end face of the drain pipe is provided with a ring groove, and the water blocking pad is embedded in the ring groove.

Through adopting above-mentioned technical scheme, the seting up of caulking groove has played the maintenance effect to the pad that blocks water, moreover through the mutual grafting of drain pipe with the butt joint pipe, can fill the space of annular through the deformation of the pad that blocks water and fill, has improved drain pipe and butt joint pipe sealing performance greatly.

Preferably, the water sealing ring plate is formed by prefabricating a butt joint pipe, and comprises a connecting part and an inserting part, wherein the connecting part is connected with the butt joint pipe, and the inserting part is arranged at the edge of the connecting part and is used for being inserted into the ring groove.

Through adopting above-mentioned technical scheme, when the drain pipe was pegged graft each other with the butt joint pipe, the grafting portion of sealing the water ring board can insert into the annular to make the pad that blocks water take place deformation and fill in the space of annular, and then fill the drain pipe with the flowing water space of butt joint pipe, increased the sealing performance of drain pipe and butt joint pipe greatly.

Preferably, the edge of the water sealing ring plate positioned at the inserting part is provided with a guide part for reducing the damage of the water blocking cushion.

Through adopting above-mentioned technical scheme, the setting of guide part through increase area of contact, reduces the pressure that the pad part that blocks water received to greatly reduced the impaired possibility of pad that blocks water.

Preferably, the cross section of the guide part is an arc-shaped annular plate, and the concave side of the guide part faces one side of the guide part.

Through adopting above-mentioned technical scheme, the cross-section of guide part is the arc, and after guide part and the pad that blocks water contacted each other, make the pad that blocks water take place deformation to under the direction of the profile of the early guide part of drive pad that blocks water, make the abundant space that encircles the ring groove of the pad that blocks water be full of and be full of, greatly increased the drain pipe with to the sealing performance of managing the butt joint.

Preferably, the locking assembly comprises an annular sealing plate arranged on the outer peripheral surface of the drain pipe and a plurality of bolts which are arranged on the annular sealing plate in a penetrating manner and are in threaded connection with the end surface of the butt joint pipe.

Through adopting above-mentioned technical scheme, through revolving of bolt soon, drive annular shrouding to the direction displacement of butt joint pipe to it is intraductal to drive the drain pipe and insert to advance to butt joint, makes and hinders the water pad and closely lean on simple structure, simple operation in close proximity with water-sealing ring board.

Preferably, the end face of the butt joint pipe is embedded with a matching pipe, and an internal thread in threaded connection with the bolt is formed in the matching pipe.

Through adopting above-mentioned technical scheme, through the prefabrication of cooperation pipe, reduced the loaded down with trivial details of direct trompil operation on the butt joint pipe, through prefabricated mode, improved the intensity and the preparation efficiency of butt joint pipe greatly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sealing performance between the butt joint pipe and the drain pipe is improved; under the action of the pressure of the locking assembly, the connecting gap between the water drainage pipe and the end part of the butt joint pipe is filled through the deformation of the water blocking cushion, so that the butt joint gap between the water drainage pipe and the butt joint pipe is greatly improved, the water leakage of the connecting gap between the well body and the water drainage pipe is reduced, and the sinking of the inspection well is not easily caused;

2. the preparation efficiency of the well body is improved, the matching pipe is prefabricated in the butt joint pipe, the complexity of operations such as grooving in the butt joint pipe directly is reduced, and the preparation efficiency of the well body is improved.

Drawings

FIG. 1 is a schematic view of the overall construction of an inspection well;

FIG. 2 is an enlarged detail view at A of FIG. 1;

FIG. 3 is an exploded view showing the insertion structure of the butt joint pipe and the drainage pipe;

fig. 4 is a partial cross-sectional view of the interior of the tube embodying the docking station.

Description of reference numerals: 1. a well body; 11. caulking grooves; 12. looping; 2. a drain pipe; 21. sealing glue; 22. a ring groove; 23. a water blocking cushion; 3. butt-joint pipes; 4. a water sealing ring plate; 41. a connecting portion; 42. a plug-in part; 43. a guide portion; 5. a locking assembly; 51. an annular seal plate; 52. a bolt; 53. a mating tube.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

A novel assembled inspection well connecting structure is shown in figure 1 and comprises a well body 1 and drain pipes 2 which are arranged on the peripheral surface of the well body 1 and are mutually installed with the well body 1.

As shown in fig. 2, the well body 1 is a concrete pipe, the lower end of the well body 1 is arranged for sealing, the well body 1 is vertically arranged underground, three caulking grooves 11 are uniformly formed in the upper end face of the well body 1 by taking the central line of the well body 1 as an axis, a lapping ring 12 is arranged in each caulking groove 11, the lapping ring 12 is welded and fixed with the reinforcing steel bars inside the well body 1, and the lapping ring 12 does not protrude out of the surface of the caulking groove 11, so that a worker can fix the lapping ring 12 with the rope conveniently, and then the well body 1 is hoisted, convenience in hoisting the well body 1 is improved, and the lapping ring 12 does not protrude out of the surface of the caulking groove 11 and does not influence longitudinal building of the well body 1.

As shown in fig. 3, a plurality of butt joint pipes 3 are horizontally arranged on the circumferential surface of the well body 1 (the number of butt joint pipes 3 in this embodiment is taken as an example), the axial lines of the butt joint pipes 3 are perpendicular to the axial line of the well body 1, and the butt joint pipes 3 and the well body 1 are prefabricated integrally.

As shown in fig. 3, the drain pipe 2 is a prefabricated pipe fitting made of concrete, the diameter of the outer peripheral surface of the drain pipe 2 is equal to the diameter of the inner wall of the butt joint pipe 3, and when the drain pipe 2 and the butt joint pipe 3 are mutually inserted, one end of the drain pipe 2 is inserted into the butt joint pipe 3, so that the outer wall of the drain pipe 2 is tightly attached to the inner wall of the butt joint pipe 3. In order to reduce the condition that the gap between the drain pipe 2 and the butt joint pipe 3 leaks, the splicing area on the outer peripheral surface of the drain pipe 2 is uniformly coated with a sealant 21, the sealant 21 is a waterproof sealant 21 purchased in the current market, the sealant 21 is uniformly filled in the splicing gap between the drain pipe 2 and the butt joint pipe 3, so that the outer wall of the drain pipe 2 is more attached to the inner wall of the butt joint pipe 3, a sealing layer is formed in the gap between the butt joint pipe 3 and the drain pipe 2 after the sealant 21 is solidified, and the sealing performance between the drain pipe 2 and the butt joint pipe 3 is greatly improved.

As shown in fig. 3 and 4, a water seal ring plate 4 is disposed on the inner wall of the butt joint pipe 3, and the water seal ring plate 4 is a ring-shaped metal plate. When the butt joint pipe 3 is prefabricated, the water sealing ring plate 4 is fixed in the butt joint pipe 3 and is welded with the reinforcing mesh in the butt joint pipe 3, and after concrete is poured, the water sealing ring plate 4 is arranged in the butt joint pipe 3 in a protruding mode, and the water sealing ring plate 4 is partially located in the concrete in the butt joint pipe 3, so that the sealing performance of the joint of the water sealing ring plate 4 and the butt joint pipe 3 is guaranteed. Seal water and encircle including annular and the inside reinforcing bar reciprocal anchorage's of butt joint pipe 3 connecting portion 41 to and set up the grafting portion 42 that is located connecting portion 41 inner circle edge with connecting portion 41 is integrative, and grafting portion 42 is located connecting portion 41 and sets up towards the direction of drain pipe 2, and grafting portion 42 is for the pipe fitting coaxial with butt joint pipe 3.

As shown in fig. 4, a ring groove 22 is formed on the insertion end surface of the drain pipe 2 corresponding to the insertion portion 42 of the water sealing ring plate 4, an annular water blocking pad 23 is clamped in the ring groove 22, and the water blocking pad 23 is made of rubber. The outer peripheral surface of the drain pipe 2 is also provided with a locking component 5 which drives the drain pipe 2 to move towards the butt joint pipe 3. The locking assembly 5 comprises an annular sealing plate 51 arranged on the outer peripheral surface of the drain pipe 2, and the plane of the annular sealing plate 51 is perpendicular to the central line of the drain pipe 2; when the drain pipe 2 is prefabricated, the annular sealing plate 51 is welded to the inner reinforcement of the drain pipe 2, so that the annular sealing plate 51 protrudes from the outer circumferential surface of the drain pipe 2 after the concrete is poured and solidified. The distance is left with the one end of pegging graft of drain pipe 2 to annular shrouding 51 for when drain pipe 2 and butt joint pipe 3 peg graft each other, when sealing water ring plate 4 and the pad 23 that blocks water contacted each other, annular shrouding 51 and butt joint pipe 3 terminal surface leave one section interval. A plurality of bolts 52 are arranged on the annular sealing plate 51 in a penetrating manner, the bolts 52 are uniformly distributed on the annular sealing plate 51, a matching pipe 53 is respectively arranged at the position corresponding to each bolt 52 on the end surface of the butt joint pipe 3, the matching pipe 53 is prefabricated in the butt joint pipe 3, and the axial line of the matching pipe 53 is parallel to the axial direction of the butt joint pipe 3. Through the screw-thread fit of bolt 52 and cooperation pipe 53, drive drain pipe 2 to the inside displacement of butt joint pipe 3 for seal water ring board 4 and block water and fill up 23 and closely lean on, thereby fill up in the space of annular 22 through the elastic deformation that blocks water and fill up 23, and then fill up the gap of drain pipe 2 tip, reduced well body 1 and drain pipe 2 and connected the gap condition of leaking and taken place, be difficult for causing sinking of inspection shaft.

Because the contact area between the edge of the insertion part 42 of the water sealing ring plate 4 and the water blocking pad 23 is small, the pressure of the insertion part 42 of the water sealing ring plate 4 and the water blocking pad 23 is increased along with the displacement of the drain pipe 2, and the water blocking pad 23 is easily damaged, an annular guide part 43 is further arranged at the edge of the insertion part 42 of the water sealing ring plate 4, the cross section of the guide part 43 is arc-shaped, and the inner arc surface of the guide part 43 and the edge of the insertion part 42 are fixed with each other. When the water-sealing ring plate 4 and the water-blocking pad 23 are contacted with each other, the guide part 43 is arranged to replace the mutual contact of the insertion part 42 and the water-blocking pad 23, so that the water-blocking pad 23 deforms along the profile of the guide part 43 under the pressing of the guide part 43, the water-blocking pad 23 is filled in the annular groove 22, the water-blocking pad 23 is not easily damaged, and the water-blocking performance of the water-blocking pad 23 is greatly improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a novel assembled inspection shaft connection structure, includes well body (1) and sets up drain pipe (2) around well body (1), its characterized in that: the peripheral face of the well body (1) is provided with butt joint pipes (3) which are communicated with the inside of the well body (1), the diameter of the peripheral face of the drain pipe (2) is equal to that of the inner wall of the butt joint pipes (3), the insertion end face of the drain pipe (2) is provided with an annular water blocking pad (23), the inner wall of the butt joint pipes (3) is provided with a water sealing ring plate (4) which is used for being pressed against the water blocking pad (23) mutually, and the peripheral face of the drain pipe (2) is further provided with a locking assembly (5) which enables the water sealing ring plate (4) and the water blocking pad (23) to be tightly pressed against each other.

2. The novel assembled manhole connecting structure according to claim 1, wherein: the end face of the drain pipe (2) is provided with a ring groove (22), and the water blocking cushion (23) is embedded in the ring groove (22).

3. The novel assembled manhole connecting structure according to claim 2, wherein: the water sealing ring plate (4) is prefabricated with the butt joint pipe (3) to form, the water sealing ring plate (4) comprises a connecting part (41) connected with the butt joint pipe (3) and an inserting part (42) arranged at the edge of the connecting part (41) and used for being inserted into the ring groove (22).

4. The novel assembled manhole connecting structure according to claim 3, wherein: the edge of the water sealing ring plate (4) positioned at the inserting part (42) is provided with a guide part (43) for reducing the damage of the water blocking cushion (23).

5. The novel assembled manhole connecting structure according to claim 4, wherein: the cross section of the guide part (43) is an arc-shaped annular plate, and the concave side of the guide part (43) faces one side of the guide part (43).

6. The novel assembled manhole connecting structure according to claim 1, wherein: the locking assembly (5) comprises an annular sealing plate (51) arranged on the outer peripheral surface of the drain pipe (2) and a plurality of bolts (52) which are arranged on the annular sealing plate (51) in a penetrating mode and in threaded connection with the end face of the butt joint pipe (3).

7. The novel assembled manhole connecting structure according to claim 6, wherein: the end face of the butt joint pipe (3) is embedded with a matching pipe (53), and an internal thread in threaded connection with the bolt (52) is arranged in the matching pipe (53).