CN213014579U

CN213014579U - Drainage pipe and inspection well connecting and sealing structure

Info

Publication number: CN213014579U
Application number: CN202021095040.6U
Authority: CN
Inventors: 孙杰; 凌玉冰; 朱敏
Original assignee: Jiangsu Wenbo Architectural Design Co ltd
Current assignee: Jiangsu Wenbo Architectural Design Co ltd
Priority date: 2020-06-14
Filing date: 2020-06-14
Publication date: 2021-04-20
Anticipated expiration: 2030-06-14

Abstract

The utility model discloses a drainage pipe is connected seal structure with inspection shaft relates to inspection shaft technical field, it includes inspection shaft and drainage pipe, drainage pipe inserts drainage pipe's reservation entrance to a cave and is connected with the inspection shaft, drainage pipe is close to the pot head of reserving the entrance to a cave and is equipped with soil retaining mechanism, soil retaining mechanism is including retaining ring and retaining seat, soil retaining seat fixed mounting is at drainage pipe's lateral wall, retaining ring one side and inspection shaft lateral wall butt, the opposite side is connected with first ring that slides, drainage pipe inserts the one end of reserving the entrance to a cave and installs the anticreep board. The utility model provides a drainage pipe and inspection shaft junction easily produce the clearance, lead to the groundwater clamp outside the well to take pipeline soil body all around and silt to benefit into in the well, easily cause vicious circle in the past for a long time, finally lead to the problem that ground is sunken, realized reducing earth or silt and overflowed the possibility in the well from drainage pipe and inspection shaft junction clearance to reduce ground because of the effect of the above-mentioned sunken possibility that results in.

Description

Drainage pipe and inspection well connecting and sealing structure

Technical Field

The utility model belongs to the technical field of the inspection shaft technique and specifically relates to a drainage pipe is connected seal structure with inspection shaft is related to.

Background

At present, a drainage pipe refers to a system consisting of a pipe duct and its attached facilities for collecting and discharging sewage, wastewater and rainwater. Including main pipes, branch pipes and pipes leading to the treatment plant, whether built on streets or anywhere else, as long as the pipes are functioning as drains, should be counted as drains. The inspection well is a well-shaped structure which is integrally formed by injection molding or bricked by plastics and is used for facilitating periodic inspection, cleaning and dredging in the well or inspection of operation of going into the well. The inspection well is generally arranged at the intersection of the drainage pipelines, the turning position, the pipe diameter or gradient changing position, the water drop position and the like, so that a reserved hole for draining water is arranged on the side wall of the inspection well, the drainage pipelines are inserted into the reserved hole, and the drainage pipelines are connected with the inspection well.

The above connection method has the following problems: gaps are easily formed at the joints of the drainage pipelines and the inspection well, so that soil and silt around the pipelines are carried by underground water outside the well to overflow into the well, soil loss is easily caused for a long time, and finally the ground is sunk.

SUMMERY OF THE UTILITY MODEL

According to the deficiency that prior art exists, the utility model aims at providing a drainage pipe is connected seal structure with inspection shaft has the effect that reduces earth or silt and leads to the possibility that ground sinks from drainage pipe and inspection shaft junction clearance overflow in the well.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a drainage pipeline and inspection well connecting and sealing structure comprises an inspection well and a drainage pipeline, wherein a reserved hole is formed in the side wall of the inspection well, the drainage pipeline is inserted into the reserved hole and is connected with the inspection well, a soil retaining mechanism is sleeved at one end, close to the reserved hole, of the drainage pipeline, the soil retaining mechanism comprises a soil retaining ring and a soil retaining seat, the soil retaining seat is fixedly installed on the side wall of the drainage pipeline, one side of the soil retaining ring is attached to the outer side wall of the inspection well, a first sliding ring is fixedly connected to the other side of the soil retaining ring, a first sliding groove for the first sliding ring to slide is formed in the soil retaining seat, a first spring is abutted to one side, facing the bottom of the first sliding groove, of the first sliding ring, and the other end of the first spring is connected with the;

drainage pipe inserts the one end of reserving the entrance to a cave and installs the anticreep board, the anticreep board towards one side of retaining ring with the inside wall butt of inspection shaft.

Through adopting above-mentioned technical scheme, when drainage pipe is connected with the inspection shaft, insert drainage pipe and reserve the entrance to a cave after, the staff gets into and installs the anticreep board in the inspection shaft, and first ring that slides this moment under the effect of first spring elastic force, keeps off the soil ring and removes towards inspection shaft lateral wall direction, makes and keeps off soil ring and inspection shaft lateral wall and closely laminate, keeps off the soil ring and can block the clearance of drainage pipe with the inspection shaft junction to reduce earth or the possibility that silt got into in the inspection shaft.

The present invention may be further configured in a preferred embodiment as: be equipped with the sealing ring on the lateral wall of retaining soil seat, the sealing ring includes the go-between and extends the ring, the go-between keep away from the one end that extends the ring with retaining soil seat fixed connection, extend ring one end and insert in the go-between, the other end and keep off the one side butt that the ring orientation kept off the soil seat, set up on the go-between and supply to extend ring male spread groove, it is connected with the second spring to extend ring one side towards the spread groove tank bottom, the second spring is kept away from the one end that extends the ring and is connected with the spread groove tank bottom.

Through adopting above-mentioned technical scheme, move towards the direction of keeping away from first sliding groove when first sliding ring under the effect of first spring elastic force, there is the clearance between first sliding ring and the first sliding groove this moment, earth or silt around the drainage pipe can have the possibility that gets into first sliding groove, if earth or silt get into first sliding groove, can influence the elasticity that is located the first spring of first sliding groove, the sealing ring can effectually reduce the possibility that earth or silt got into first sliding groove, extend the ring and keep off the lateral wall that the inspection shaft was kept away from to the soil ring and closely laminate under the spring action of second spring.

The present invention may be further configured in a preferred embodiment as: extend and be connected with solid fixed ring on the ring, retaining ring opens towards one side of extending the ring and has supplied solid fixed ring male fixed slot.

Through adopting above-mentioned technical scheme, solid fixed ring gets into the fixed slot and can further improve the sealing ring and reduce earth or silt and get into the possibility in first groove of sliding.

The present invention may be further configured in a preferred embodiment as: the lateral wall of the first sliding ring is positioned at the lateral wall of one end of the first sliding ring close to the bottom of the first sliding groove, and a thread groove is arranged on the lateral wall of the first sliding groove close to the bottom of the first sliding groove and matched with the thread groove.

By adopting the technical scheme, before installation by workers, for the convenience of installation of the workers, the threaded groove of the first sliding ring and the threaded strip in the first sliding groove are screwed, so that the first sliding ring and the first sliding groove are relatively fixed, and the drainage pipeline is prevented from being separated from the reserved hole under the action of the elastic force of the first spring when the worker does not install the anti-falling plate after the drainage pipeline enters the reserved hole; after the anti-falling plate is installed, the first sliding ring is rotated to enable the thread groove to be separated from the thread strip, and the elastic force of the first spring enables the soil-blocking ring to be tightly attached to the side wall of the inspection well.

The present invention may be further configured in a preferred embodiment as: the first intra-annular that slides is opened has the direction annular, be equipped with the guide post in the first spring, the guide post is connected with the groove bottom of first groove of sliding.

Through adopting above-mentioned technical scheme, the setting of guide post and guide ring groove can effectively reduce the crooked possibility of first spring to reduce the possibility of first spring fatigue damage.

The present invention may be further configured in a preferred embodiment as: be equipped with in the drainage pipe and prevent disconnected pipe, prevent that disconnected pipe is located the one end of drainage pipe towards the inspection shaft, prevent that the external diameter of disconnected pipe with drainage pipe's internal diameter is the same.

By adopting the technical scheme, the joint of the drainage pipeline and the inspection well has the possibility of fracture under the action of external force, and the anti-fracture pipe can effectively improve the strength of the joint of the drainage pipeline and the inspection well, so that the possibility of fracture of the joint of the drainage pipeline and the inspection well is reduced.

The present invention may be further configured in a preferred embodiment as: the collar is installed to the drainage pipe inner wall, one side that the collar orientation was prevented disconnected to the collar is equipped with first wedge, prevent that disconnected pipe orientation one end of collar is equipped with the second wedge of laminating with first wedge, prevent that disconnected pipe keeps away from the collar one end with drainage pipe threaded connection.

By adopting the technical scheme, when the anti-broken pipe is installed, a worker inserts the first anti-broken pipe into the drainage pipeline, the first wedge-shaped surface of the installation ring is attached to the second wedge-shaped surface of the anti-broken pipe, and finally the anti-broken pipe is rotated to enable the anti-broken pipe to be in threaded connection with the inner wall of the drainage pipeline, so that the anti-broken pipe is fixed, and the gap between the anti-broken pipe and the drainage pipeline can be reduced due to the fact that the first wedge-shaped surface and the second wedge-shaped surface are tightly attached.

The present invention may be further configured in a preferred embodiment as: and a ladder is arranged on the inner side wall of the inspection well.

Through adopting above-mentioned technical scheme, the staff can stand the operation on the ladder when the installation anticreep board, the staff's of being convenient for installation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the soil retaining mechanism and the anti-drop plate, the soil retaining ring can be tightly attached to the side wall of the inspection well, so that the effect of reducing the possibility that soil or silt around the drainage pipeline enters the inspection well is achieved;

2. through the setting of sealing ring, solid fixed ring and fixed slot, can further strengthen the inseparable laminating degree of retaining ring and inspection shaft, reduce earth or silt entering inspection shaft's possibility on every side, also can reduce earth or silt entering first sliding groove around simultaneously and influence the elastic effect of the first spring of possibility.

Drawings

Fig. 1 is a schematic structural diagram for embodying the whole in this embodiment.

Fig. 2 is an exploded view of the pipe embodying the breakage preventing pipe, the second wedge surface, the fixing groove, and the guide ring groove in this embodiment.

Fig. 3 is an exploded view of the present embodiment for embodying the mounting ring.

Fig. 4 is a sectional view of a-a in fig. 1.

Fig. 5 is a partially enlarged view of a portion B in fig. 4.

In the figure, 1, a manhole; 11. a step; 12. reserving a hole; 2. a water discharge pipeline; 21. a mounting ring; 211. a first wedge-shaped face; 22. preventing the pipe from being broken; 23. an anti-drop plate; 221. a second wedge-shaped face; 3. a soil retaining mechanism; 31. a soil retaining ring; 311. a first slip ring; 312. fixing grooves; 3111. a guide ring groove; 3112. a thread groove; 32. a soil retaining base; 321. a first sliding groove; 3211. a guide post; 3212. a threaded strip; 3213. a first spring; 4. a seal ring; 41. an extension ring; 411. a fixing ring; 412. a second spring; 42. a connecting ring; 421. and connecting the grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

as shown in fig. 1, the utility model discloses a drainage pipe and inspection shaft connection seal structure, including inspection shaft 1 and drainage pipe 2, inspection shaft 1 is the well-shaped structure that the brick was built up in this embodiment, and inspection shaft 1 sets up at the lateral wall and supplies drainage pipe 2 male reservation entrance to a cave 12 (see fig. 2), and drainage pipe 2 inserts reservation entrance to a cave 12 (see fig. 2), can make inspection shaft 1 and drainage pipe 2 connect, and inspection shaft 1 inside wall fixed mounting has a plurality of ladders 11, can stand the operation of being convenient for on ladder 11 when the staff installs, the maintenance.

As shown in fig. 2, a soil retaining mechanism 3 is sleeved on the side wall of the drainage pipeline 2 near one end, the soil retaining mechanism 3 comprises a soil retaining ring 31 and a soil retaining seat 32 fixedly installed outside the drainage pipeline 2, the soil retaining ring 31 is located on the side near the end of the drainage pipeline 2, the soil retaining seat 32 is located on the side of the soil retaining ring 31 far away from the end of the drainage pipeline 2, a first sliding ring 311 integrally formed with the soil retaining ring 31 is connected to the side of the soil retaining ring 31 facing the soil retaining seat 32, a first sliding groove 321 (see fig. 3) for sliding the first sliding ring 311 is opened at the end of the soil retaining seat 32 facing the soil retaining ring 31, four first springs 3213 are fixedly connected to the bottom of the first sliding groove 321 (see fig. 3), the four first springs 3213 are uniformly distributed along the circumferential direction of the drainage pipeline 2, the end of the first spring 3213 far away from the bottom of the first sliding groove 321 (see fig. 3) is connected to the first sliding ring 311, in order to reduce the situation that the first sliding groove 321 (see fig., a guide post 3211 is inserted into the first spring 3213, the guide post 3211 is fixedly connected to the bottom of the first sliding groove 321 (see fig. 3), a guide ring groove 3111 for inserting the guide post 3211 is formed in one side of the first sliding ring 311 facing the bottom of the first sliding groove 321 (see fig. 3), the groove diameter of the guide ring groove 3111 is adapted to the guide post 3211, and the diameter of the first spring 3213 is greater than the groove diameter of the guide ring groove 3111.

As shown in fig. 2, when the drainage pipeline 2 is connected to the inspection well 1, one end of the drainage pipeline 2 is inserted from the reserved hole 12, the soil-blocking ring 31 abuts against the side wall of the inspection well 1, the first sliding ring 311 slides toward the first sliding groove 321 (see fig. 3), the first spring 3213 is compressed, the guide post 3211 enters the guide ring groove 3111, the elastic force generated by the compression of the first spring 3213 causes the soil-blocking ring 31 to be tightly attached to the side wall of the inspection well 1, but also has the problem that the drainage pipeline 2 can bounce off the reserved hole 12 because of the elasticity of the first spring 3213, so that one end of the drainage pipeline 2 inserted into the reserved hole 12 is connected with the anti-dropping plate 23 by screw thread, the tight degree of the soil-blocking ring 31 and the side wall of the inspection well 1 can be controlled by the arrangement of the screw thread connection, when the connection between the sidewall of the inspection well 1 and the retaining ring 31 is not tight enough, the retaining plate 23 is only screwed tightly to make the retaining ring 31 tightly fit with the sidewall of the inspection well 1 again.

As shown in fig. 3, a 10cm thread groove 3112 is formed in the side wall of the first sliding ring 311, the thread groove 3112 is located at one end close to the bottom of the first sliding groove 321, and a 12cm thread strip 3212 adapted to the thread groove 3112 is provided on the side wall of the bottom of the first sliding groove 321 close to the bottom of the groove. Before the drainage pipeline 2 is connected with the inspection well 1, in order to facilitate installation of workers, the first sliding ring 311 is rotated to enable the thread bars 3212 to enter the thread grooves 3112, so that the positions of the first sliding ring 311 and the soil retaining seat 32 are relatively fixed, and the workers can carry the soil retaining seat conveniently; when the drainage pipeline 2 is inserted into the reserved hole 12 (see fig. 2) and the retaining ring 31 is away from the outer side wall of the inspection well 1, the first sliding ring 311 is rotated to separate the thread groove 3112 from the thread strips 3212, the guide post 3211 is located in the guide ring groove 3111 (see fig. 2), the retaining ring 31 is rotated and adjusted, the retaining ring 31 can be attached to the side wall of the inspection well 1, the worker loosens his hands at the time, and the elastic force of the compressed first spring 3213 enables the retaining ring 31 to be closely attached to the side wall of the inspection well 1.

As shown in fig. 3 and 4, when the retaining ring 31 is closely attached to the sidewall of the inspection shaft 1, the first slip ring 311 slips in a direction away from the first slip groove 321, in order to reduce the influence of soil or silt around the pipeline entering the first sliding groove 321 and affecting the elasticity of the first spring 3213, a sealing ring 4 is installed on the outer side wall of the retaining base 32, the sealing ring 4 includes an extension ring 41 and a connecting ring 42 fixedly installed on the side wall of the retaining base 32 far away from the retaining ring 31, one end of the extension ring 41 is inserted into the connecting ring 42 and slidably connected with the connecting ring 42, one side of the connecting ring 42 facing the retaining ring 31 is provided with a connecting groove 421 for the connecting ring 42 to slide, the second spring 412 is disposed on one side of the extension ring 41 facing the bottom of the connection groove 421, the other side is connected to the fixing ring 411, the fixing ring 411 is integrally formed with the extension ring 41, and the fixing groove 312 for inserting the fixing ring 411 is disposed on one side of the retaining ring 31 facing the sealing ring 4. When the fixing ring 411 is inserted into the fixing groove 312, it is possible to further reduce the possibility that soil or silt around the drain pipe 2 enters the first sliding groove 321.

As shown in fig. 4 and 5, a breaking-proof pipe 22 is installed at one end of the drainage pipeline 2 facing the inspection well 1, the outer diameter of the breaking-proof pipe 22 is the same as the inner diameter of the drainage pipeline 2, an installation ring 21 for fixing the position of the drainage pipeline 2 is installed in the drainage pipeline 2, the outer side wall of one end, away from the installation ring 21, of the breaking-proof pipe 22 is in threaded connection with the inner side wall of the drainage pipeline 2, the length of the threaded connection is 5cm, the breaking-proof pipe 22 is always located at the reserved hole 12, a first wedge-shaped surface 211 is arranged at one side, facing the breaking-proof pipe 22, of the installation ring 21, and a second wedge-shaped surface 221 attached to the first wedge-shaped surface. When the worker installs the anti-breaking pipe 22, the end, provided with the second wedge-shaped surface 221, of the anti-breaking pipe 22 is inserted into the drainage pipeline 2 and then fixed through threads, at the moment, the first wedge-shaped surface 211 contacts with the second wedge-shaped surface 221, and the installation ring 21 is abutted to the anti-breaking pipe 22.

The implementation principle of the above embodiment is as follows: the drainage pipeline 2 is installed, firstly, the soil retaining seat 32 and the drainage pipeline 2 are installed, then, the connecting ring 42 is installed, and finally, the soil retaining ring 31 is installed; when drainage pipe 2 is connected with inspection shaft 1, insert earlier drainage pipe 2 one end and reserve entrance to a cave 12, and keep off soil ring 31 and leave one section distance with inspection shaft 1 lateral wall, the staff steps on ladder 11 and is connected anticreep board 23 and drainage pipe 2 after that, rotatory fender soil ring 31 makes thread groove 3112 break away from with thread bar 3212, adjusts at last and keeps off soil ring 31 and makes its inspection shaft 1 lateral wall laminating, accomplishes whole installation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a drainage pipe and inspection shaft connection seal structure, includes inspection shaft (1) and drainage pipe (2), the lateral wall of inspection shaft (1) is equipped with reserves entrance to a cave (12), drainage pipe (2) insert and reserve entrance to a cave (12) and be connected its characterized in that with inspection shaft (1): one end of the drainage pipeline (2) close to the reserved hole (12) is sleeved with a soil retaining mechanism (3), the soil retaining mechanism (3) comprises a soil retaining ring (31) and a soil retaining seat (32), the soil retaining seat (32) is fixedly installed on the side wall of the drainage pipeline (2), one side of the soil retaining ring (31) is attached to the outer side wall of the inspection well (1), the other side of the soil retaining ring is fixedly connected with a first sliding ring (311), a first sliding groove (321) for the first sliding ring (311) to slide is formed in the soil retaining seat (32), a first spring (3213) is abutted to one side, facing the bottom of the first sliding groove (321), of the first sliding ring (311), and the other end of the first spring (3213) is connected with the bottom of the first sliding groove (321);

drainage pipe (2) insert the one end of reserving entrance to a cave (12) and install anticreep board (23), anticreep board (23) towards one side of retaining ring (31) with the inside wall butt of inspection shaft (1).

2. The connecting and sealing structure of the drainage pipeline and the inspection well as claimed in claim 1, wherein: be equipped with sealing ring (4) on the lateral wall of retaining soil seat (32), sealing ring (4) include go-between (42) and extend ring (41), go-between (42) keep away from the one end of extending ring (41) with keep off soil seat (32) fixed connection, extend in ring (41) one end inserts go-between (42), the other end and keep off one side butt of soil ring (31) orientation retaining soil seat (32), set up on go-between (42) and supply to extend ring (41) male spread groove (421), extend ring (41) and be connected with second spring (412) towards one side of spread groove (421) tank bottom, second spring (412) are kept away from the one end of extending ring (41) and are connected with spread groove (421) tank bottom.

3. The connecting and sealing structure of the drainage pipeline and the inspection well as claimed in claim 2, wherein: the extension ring (41) is connected with a fixing ring (411), and one side of the retaining ring (31) facing the extension ring (41) is provided with a fixing groove (312) for inserting the fixing ring (411).

4. The connecting and sealing structure of the drainage pipeline and the inspection well as claimed in claim 3, wherein: the lateral wall of the first sliding ring (311) is positioned at the lateral wall of one end of the first sliding ring (311) close to the bottom of the first sliding groove (321) and is provided with a thread groove (3112), and the lateral wall of the first sliding groove (321) close to the bottom of the first sliding groove is provided with a thread strip (3212) matched with the thread groove (3112).

5. The connecting and sealing structure of the drainage pipeline and the inspection well as claimed in claim 4, wherein: a guide ring groove (3111) is formed in the first sliding ring (311), a guide column (3211) is arranged in the first spring (3213), and the guide column (3211) is connected with the bottom of the first sliding groove (321).

6. The connecting and sealing structure of the drainage pipeline and the inspection well as claimed in claim 5, wherein: be equipped with in drainage pipe (2) and prevent disconnected pipe (22), prevent that disconnected pipe (22) are located drainage pipe (2) towards the one end of inspection shaft (1), prevent that the external diameter of disconnected pipe (22) with the internal diameter of drainage pipe (2) is the same.

7. The connecting and sealing structure of the drainage pipeline and the inspection well as claimed in claim 6, wherein: installing ring (21) is installed to drainage pipe (2) inner wall, one side that installing ring (21) orientation prevented disconnected pipe (22) is equipped with first wedge face (211), prevent disconnected pipe (22) one end towards installing ring (21) be equipped with second wedge face (221) of first wedge face (211) laminating, prevent disconnected pipe (22) keep away from the one end of installing ring (21) with drainage pipe (2) threaded connection.

8. The connecting and sealing structure of the drainage pipeline and the inspection well as claimed in claim 7, wherein: the inner side wall of the inspection well (1) is provided with a ladder (11).