CN106996122B

CN106996122B - Sealing structure of pipe gallery well

Info

Publication number: CN106996122B
Application number: CN201710367896.0A
Authority: CN
Inventors: 叶后富
Original assignee: Zhejiang Tianjing Plastic Industry Co ltd
Current assignee: Zhejiang Liansu Technology Industry Co ltd
Priority date: 2017-05-23
Filing date: 2017-05-23
Publication date: 2020-05-15
Anticipated expiration: 2037-05-23
Also published as: CN106996122A

Abstract

The invention provides a sealing structure of a pipe gallery well, and belongs to the technical field of fixed buildings. It has solved the current relatively poor problem of leakproofness after piping lane well buries underground. This seal structure of piping lane well, be annular sealed protruding edge including being located at least one on the well lid seat outer peripheral face, the position department that lies in sealed protruding edge below on the well lid seat outer peripheral face still has along the spacing arch of circumference distribution, the cover is equipped with seal ring on the well lid seat outer peripheral face, seal ring overcoat is equipped with the clamp, seal ring lower extreme face can support and lean on spacing arch to enable seal ring up end upwards to take place elastic deformation after the clamp is held tightly seal ring. This seal structure of piping lane well is through setting up seal ring and clamp on the well lid seat, and the clamp is held tightly seal ring and is made seal ring up end upwards take place elastic deformation and hug closely the medium, forms the effective seal to the clearance between well lid seat and the medium, has improved the sealed effect of piping lane well.

Description

Sealing structure of pipe gallery well

Technical Field

The invention belongs to the technical field of fixed buildings, relates to a pipe gallery well, and particularly relates to a sealing structure of the pipe gallery well.

Background

The utility tunnel is a channel built underground in the city, and the channel is provided with enough space for laying electric power, communication cables, heat supply, gas supply and water supply pipelines, and realizing city drainage, thereby forming a life line for guaranteeing city operation.

For example, chinese patents [ application No. 201510950889.4; application publication No. CN 105386460A discloses an urban underground intelligent comprehensive pipe gallery, including a plurality of intelligent multi-functional comprehensive sewer pipes of burying below the urban green area, still including maintaining import and export, the maintenance is imported and exported and is included the service shaft of excavation in public transport bus shelter, and four angles of maintaining the service shaft pour as an organic wholely with four support columns of public transport bus shelter, and the up-and-down stream of maintaining the service shaft is intelligent multi-functional comprehensive sewer pipes respectively.

The utility tunnel is used for the sewer pipe well of blowdown drainage, or the inspection shaft that is used for installation and maintenance all adopts the construction to obtain on the ground usually, and the cost is higher, has increased utility tunnel's overall construction cost. At present, the pipe gallery well which is manufactured independently and is specially used for the comprehensive pipe gallery does not exist, and the existing inspection well cannot meet the sealing requirements of pressure drainage and burying of the pipe gallery well.

For example, chinese patents [ application No. 201620494823.9; the publication No. CN 205677032U discloses an easy-to-maintain plastic inspection well, which comprises a well seat, a shaft, a well cover and a sedimentation tank arranged at the bottom of the well seat, wherein the wall surface structures of the shaft and the well seat are a pipe wall outer layer, a fiber prepreg intermediate layer and a pipe wall inner layer from outside to inside in sequence; the shaft comprises a plurality of sections of pipe bodies with bell and spigot ports, each section of pipe body is connected in a bell and spigot manner to form the shaft, the upper end of the well seat is welded with the bell and spigot port, and the shaft is plugged in the bell and spigot port of the well seat and is fixed on the well seat in a sealing manner. From this patent specification, it can be seen that the well lid is mounted on a base buried underground, the base being socket-connected to the shaft.

The problems with the above-described manhole structure are: the base is directly buried in the ground, and gaps still exist in the base and surrounding media, so that sewage in the ground can easily permeate through the gaps and directly flows out of the inspection well. With the structure direct application of this kind of inspection shaft to utility tunnel system in, probably because sealed problem leads to the inside water leakage of utility tunnel, influence the normal operating of utility tunnel function.

Disclosure of Invention

The invention aims to provide a sealing structure of a pipe gallery well aiming at the problems in the prior art, and the technical problem to be solved by the invention is how to improve the sealing effect of the pipe gallery well after being buried.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a seal structure of piping lane well, the piping lane well includes the main part, the top of main part is connected with the well lid seat that is the tube-shape, its characterized in that, this seal structure of piping lane well is annular sealed protruding edge including at least one that is located on the well lid seat outer peripheral face, the position department that lies in sealed protruding edge below on the well lid seat outer peripheral face still has the spacing arch that distributes along circumference, the cover is equipped with seal ring on the well lid seat outer peripheral face, seal ring overcoat is equipped with the clamp, seal ring terminal surface can support and lean on above-mentioned spacing arch under to enable seal ring up end upwards to take place elastic deformation after the clamp is held tightly seal ring.

The construction process of the sealing structure of the pipe gallery well is as follows: after the piping lane well installation, pour the medium between ground and the well lid seat, bury the well lid seat underground, sealed protruding edge on the well lid seat is arranged in the medium, and the infiltration that the separation water is decurrent. Spacing arch keeps certain distance with the bottom of medium, and seal ring and clamp all are located between spacing arch and the medium, and the terminal surface supports and leans on spacing arch under the seal ring, and the seal ring up end pastes with the bottom plate of medium mutually and leans on or there is the clearance, holds seal ring tightly through the clamp, makes seal ring up end upwards take place elastic deformation and hug closely the medium, forms the effective sealing to the clearance between well lid seat and the medium.

Seal ring installs on the well lid seat before the medium is pour in this seal structure of piping lane well, need not to pour the in-process at the medium and guarantee the in close contact with of medium and seal ring, and follow-up through clamp extrusion seal ring make seal ring take place elastic deformation to hug closely the medium, and hug closely the degree and can adjust, avoid subaerial water to permeate into the utility tunnel from the gap between well lid seat and the medium in, improved the sealed effect after the piping lane well is buried underground.

Preferably, in the sealing structure of the pipe gallery well, the lower end face of the clamp abuts against the limiting protrusion when the lower end face of the sealing washer abuts against the limiting protrusion, and the upper end face of the clamp is flush with the upper end face of the sealing washer. Spacing arch can play spacing and guide effect to the inside shrink of clamp, and clamp shrink in-process can hold tightly seal ring and exert even extrusion force to seal ring outer peripheral face for also can keep leveling after seal ring up end warp, and hug closely in the medium bottom, improved seal ring to the sealed effect between well lid seat and the medium.

As a further preference, in the above-mentioned sealing structure of the pipe gallery well, the inner diameter of the sealing washer is equal to the outer diameter of the well cover seat. The inner ring of the sealing washer is tightly matched with the peripheral surface of the well cover seat, so that the upper end surface of the sealing washer is easier to deform after being extruded by the hoop.

In the sealing structure of the pipe gallery well, the limiting bulge is annular and surrounds the peripheral surface of the well cover seat along the circumferential direction. Such shape makes spacing arch can fully support seal ring, is favorable to seal ring to receive the clamp extrusion back upper end face to upwards take place even deformation, has further improved sealed effect.

In the sealing structure of the pipe gallery well, the sealing convex edges are multiple in number and are arranged in a staggered mode along the axial direction of the well cover seat according to different heights. Through the staggered arrangement of the sealing convex edges with different heights, part of water permeating between the well cover seat and the medium can be guided to the side part, the water quantity continuously permeating downwards is reduced, the pressure of the sealing part is reduced, and the sealing effect is improved.

In the above sealing structure of the pipe gallery well, at least one shaft is arranged between the main body and the well cover seat and connected with the main body through a flange connecting structure. Through setting up the pit shaft and passing through flange joint structure with main part, well lid seat and pit shaft and linking to each other, be applicable to the great condition of utility tunnel degree of depth to make the intensity that main part, well lid seat and pit shaft are connected higher, the reliability is better.

Preferably, in the sealing structure of the pipe gallery well, the well cover seat is internally provided with a metal plate framework and is obtained by injection molding on the basis of the metal plate framework, and the metal plate framework is provided with a plurality of circulation holes for the injection molding material to flow through. The well cover seat is obtained by one-time injection molding on the basis of the metal plate framework, so that the self strength of the well cover seat is obviously improved; the metal plate framework is provided with the circulation holes, so that in the injection molding process, injection molding materials can fully flow on the inner side surface and the outer side surface of the metal plate framework through the circulation holes, the problem that the compression capacity of the injection molding materials caused by excessive product internal stress is reduced and even the problem of tension cracking is solved, the self strength of the well cover seat is ensured, and the pipe gallery well can be suitable for the environment with pressure drainage.

As a further preferred mode, in the above sealing structure of the pipe gallery well, the metal plate skeleton includes a main skeleton and a flange skeleton located at one end of the main skeleton. The flange framework is arranged, so that the connection strength of the flange connection structure can be improved, and the pressure drainage capability is improved.

As another alternative, in the above-described sealing structure of the pipe gallery well, the main body and the well cover seat are connected by a flange connection structure.

Compared with the prior art, the sealing structure of the pipe gallery well has the advantages that:

1. this seal structure of piping lane well is through setting up seal ring and clamp on the well lid seat, and the clamp is held tightly seal ring and is made seal ring up end upwards take place elastic deformation and hug closely the medium, forms the effective seal to the clearance between well lid seat and the medium, has improved the sealed effect of piping lane well.

2. This seal structure of piping lane well plays spacing and guide effect to the inward contraction of clamp through spacing arch, makes the clamp shrink in-process and applys even extrusion force to seal ring outer peripheral face to also can keep leveling after making the sealed up end of a circle warp, and hug closely in the medium bottom, improved seal ring and to the sealed effect in clearance between well lid seat and the medium.

3. This seal structure's of piping lane well lid seat adopts injection moulding to obtain on the metal sheet skeleton basis to link to each other with pit shaft and main part through flange joint structure, improved lid seat self intensity and joint strength, can be applicable to the environment that has the pressure drainage.

Drawings

Fig. 1 is a schematic diagram of the construction of a pipe gallery well according to the present invention.

Fig. 2 is a schematic and partially enlarged cross-sectional view of a piping lane well of the present invention after the well head seat has been buried.

Figure 3 is a schematic diagram of a well cover seat configuration for a piping lane well of the present invention.

FIG. 4 is a schematic view and a partially enlarged view of the metal plate skeleton structure of the well cover seat of the present invention.

In the figure, 1, main body; 2. a well cover seat; 21. sealing the convex edge; 22. a limiting bulge; 3. A sealing gasket; 4. clamping a hoop; 5. a wellbore; 6. a flange connection structure; 61. a first flange connecting part; 62. a second flange connecting part; 63. a flange connecting part III; 64. a bolt; 7. a metal plate skeleton; 71. a flow-through hole; 72. a main body skeleton; 73. a flange framework; 8. concrete; 9. a well cover is provided.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

The first embodiment is as follows:

the pipe gallery well comprises a main body 1, a well cover seat 2, a shaft 5 and a well cover 9, and the pipe gallery well comprises a sealing convex edge 21, a limiting protrusion 22, a sealing washer 3 and a clamp 4.

Specifically, as shown in fig. 1, the well cover base 2 has a cylindrical shape, and the well cover base 2 is connected to the top of the main body 1. In this embodiment, the body 1 and the well head housing 2 are connected by a well bore 5 located between the body 1 and the well head housing 2. The bottom of the well cover seat 2 is provided with a first flange connecting part 61, two ends of the shaft 5 are provided with second flange connecting parts 62, the top of the main body 1 is provided with a third flange connecting part 63, the first flange connecting part 61 is connected with the second flange connecting part 62 at one end of the shaft 5 through bolts 64, and the third flange connecting part 63 is connected with the second flange connecting part 62 at the other end of the shaft 5 through bolts 64. Thereby, the main body 1, the well cover stand 2 and the well bore 5 are connected by the flange connection 6. Through setting up pit shaft 5 and will be applicable to the great condition of utility tunnel degree of depth to make the intensity that main part 1, well lid seat 2 and pit shaft 5 are connected higher, the reliability better. During actual production and manufacturing, a plurality of well bores 5 may also be provided between the body 1 and the well head housing 2.

As shown in fig. 3, in the present embodiment, five sealing flanges 21 are provided on the outer peripheral surface of the well cover base 2, and the sealing flanges 21 are staggered in height along the axial direction of the well cover base 2 according to the height. Also, the thickness of the sealing beads 21 may be different from each other. Through the staggered arrangement of the sealing convex edges 21 with different heights, part of water permeating between the well cover seat 2 and the medium can be guided to the side part, the water quantity continuously permeating downwards is reduced, the pressure at the sealing part is reduced, and the sealing effect is improved. The number of the sealing beads 21 may also be a plurality other than five in actual production and manufacturing.

As shown in fig. 3, a sealing washer 3 is sleeved on the outer peripheral surface of the well cover seat 2, and a clamp 4 is sleeved outside the sealing washer 3. The limiting bulge 22 is positioned on the outer peripheral surface of the well cover seat 2 and is positioned at a position below the sealing convex edge 21. In this embodiment, the limiting protrusion 22 is annular and circumferentially surrounds the outer circumferential surface of the manhole cover base 2. In actual production and manufacturing processes, the limiting protrusions 22 may also be distributed along the circumferential direction of the outer circumferential surface of the well cover seat 2.

The construction process of the sealing structure of the pipe gallery well is as follows: after the main part 1, the pit shaft 5 and the well lid seat 2 of piping lane well loop through flange joint structure 6 installation, pour the medium between ground and the well lid seat 2, in this embodiment, the medium is concrete 8. As shown in fig. 1, the manhole cover base 2 is buried in the ground through the concrete 8, and the sealing flange 21 on the manhole cover base 2 is positioned in the concrete 8 to block water from permeating downwards. As shown in fig. 2, spacing arch 22 keeps certain distance with the bottom of concrete 8, seal ring 3 and clamp 4 all are located between spacing arch 22 and the concrete 8, the terminal surface supports and leans on spacing arch 22 under seal ring 3, seal ring 3 up end is leaned on or has the clearance with the bottom plate of concrete 8 mutually, hold seal ring 3 tightly through clamp 4, make seal ring 3 up end upwards take place elastic deformation and hug closely concrete 8, form the effective sealing to the clearance between well lid seat 2 and the concrete 8.

Preferably, when the lower end surface of the sealing washer 3 abuts against the limiting protrusion 22, the lower end surface of the clamp 4 can also abut against the limiting protrusion 22, and the upper end surface of the clamp 4 is flush with the upper end surface of the sealing washer 3. Spacing arch 22 can play spacing and guide effect to the inside shrink of clamp 4, and clamp 4 shrink in-process can hold tightly seal ring 3 and exert even extrusion force to seal ring 3 outer peripheral face for also can keep leveling after seal ring 3 up end warp, and hug closely in concrete 8 bottom, improved seal ring 3 to the sealed effect between well lid seat 2 and the concrete 8.

As a further preferred solution, the inner diameter of the sealing washer 3 is equal to the outer diameter of the well cover seat 2. The inner ring of the sealing washer 3 is tightly matched with the peripheral surface of the well cover seat 2, so that the upper end surface of the sealing washer 3 is easier to deform after being extruded by the hoop 4.

Preferably, as shown in fig. 3 and 4, the manhole cover base 2 has a metal plate frame 7 inside and is obtained by injection molding on the metal plate frame 7, and the metal plate frame 7 has a plurality of flow holes 71 through which an injection material flows. The well cover seat 2 is obtained by one-time injection molding on the basis of the metal plate framework 7, so that the self strength of the well cover seat 2 is obviously improved. The sheet metal framework 7 is provided with the circulation holes 71, so that in the injection molding process, the injection molding material can fully flow on the inner side and the outer side of the sheet metal framework 7 through the circulation holes 71, the problem that the compression capacity caused by the overlarge internal stress of the product is reduced or even the stress cracking occurs due to shrinkage of the injection molding material is avoided, the self strength of the well cover seat 2 is ensured, and the pipe gallery well can be suitable for the pressure drainage environment.

As a further preferable mode, the sheet metal framework 7 includes a main framework 72 and a flange framework 73 located at one end of the main framework 72. The flange framework 73 can improve the connection strength of the flange connection structure 6, and improve the pressure drainage capability.

Seal ring 3 installs on well lid seat 2 before concrete 8 pours in this seal structure of piping lane well, need not to pour the in-process at concrete 8 and guarantee concrete 8 and seal ring 3's in close contact with, and make seal ring 3 take place elastic deformation through clamp 4 extrusion seal ring 3 in follow-up, thereby hug closely concrete 8, and the degree of hugging closely can be adjusted, avoid subaerial water to permeate to the utility tunnel from the gap between well lid seat 2 and the concrete 8 in, the sealed effect after the piping lane well is buried underground has been improved. The well cover seat 2 of the pipe gallery well is obtained by injection molding on the basis of the metal plate framework 7, so that the strength of the well cover seat 2 is improved; main part 1, well lid seat 2 and pit shaft 5 link to each other through flange joint structure 6, have improved the joint strength of piping lane well to make the piping lane can adapt to the operational environment who has the pressure drainage, with this promotion that combines the sealing performance of piping lane well, improved the normal operating that the utility tunnel well can be guaranteed under the higher environment of drainage pressure.

Example two:

the technical solution in this embodiment is substantially the same as that in the first embodiment, except that in this embodiment, the main body 1 and the manhole cover base 2 are directly connected by a flange connection structure 6.

Example three:

the technical solution in this embodiment is substantially the same as that in the first embodiment, except that in this embodiment, the number of the sealing beads 21 is one.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides a seal structure of piping lane well, the piping lane well includes main part (1), the top of main part (1) is connected with well lid seat (2) that are the tube-shape, its characterized in that, and this seal structure of piping lane well is annular sealed protruding edge (21) including at least one that is located on well lid seat (2) outer peripheral face, the position department that lies in sealed protruding edge (21) below on well lid seat (2) outer peripheral face still has along the spacing arch (22) of circumference distribution, the cover is equipped with seal ring (3) on well lid seat (2) outer peripheral face, seal ring (3) overcoat is equipped with clamp (4), the terminal surface can support and lean on above-mentioned spacing arch (22) under seal ring (3) to can make seal ring (3) up the up and take place elastic deformation after clamp (4) hold seal ring (3) tightly.

2. A sealing structure for a pipe gallery well according to claim 1, characterized in that the lower end surface of the clamping band (4) abuts against the limiting projection (22) when the lower end surface of the sealing washer (3) abuts against the limiting projection (22), and the upper end surface of the clamping band (4) is flush with the upper end surface of the sealing washer (3).

3. A sealing structure of a pipe gallery well according to claim 1, characterized in that the inner diameter of the sealing gasket (3) is equal to the outer diameter of the well cover seat (2).

4. A sealing structure of a pipe gallery well according to claim 1, characterized in that the limiting projection (22) is ring-shaped and circumferentially surrounds the outer circumferential surface of the well cover seat (2).

5. The seal structure of the pipe gallery well according to claim 1, wherein the number of the seal beads (21) is plural, and the seal beads (21) are staggered axially along the well cover seat (2) according to the height.

6. A sealing structure of a pipe gallery well according to claim 1, characterized in that at least one shaft (5) is arranged between the main body (1) and the well cover seat (2) and connected by a flange connection (6).

7. A sealing structure of a pipe gallery well according to any one of claims 1 to 6, characterized in that the well cover seat (2) has a sheet metal skeleton (7) inside and is injection molded on the basis of the sheet metal skeleton (7), and the sheet metal skeleton (7) has a plurality of flow holes (71) for the injection molding material to flow through.

8. A sealing structure of a pipe gallery well according to claim 7, characterized in that the sheet metal skeleton (7) comprises a body skeleton (72) and a flange skeleton (73) at one end of the body skeleton (72).

9. A sealing structure of a pipe gallery well according to any one of claims 1 to 6, characterized in that the main body (1) and the well cover seat (2) are connected by a flange connection structure (6).