CN214839254U

CN214839254U - Municipal administration pipeline port rubber plugging device

Info

Publication number: CN214839254U
Application number: CN202023174635.3U
Authority: CN
Inventors: 李俞凛; 张誉镪; 李海扬; 王冰; 陈亚梅
Original assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-11-23
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a municipal administration pipeline port rubber plugging device, including pipeline and filter screen, the inboard of pipeline is provided with rubber gas child, and the below of rubber gas child is provided with the support frame, the lower extreme of support frame is provided with the connection pad, and the middle part of connection pad is provided with the pressure release mouth, the inside of pressure release mouth is provided with the connecting rod, and the left end of connecting rod is provided with the backing plate, the outside of backing plate is provided with the guiding axle, and the outside cover of guiding axle is equipped with the spring, the surface of connection pad is provided with the recess, and the inside of recess is provided with the kicking block, the inboard of kicking block is provided with ejecting bolt. This municipal administration pipeline port rubber plugging device is provided with the pipeline, when water pressure increases to spring pretightning force default in the pipeline, with the spring compression, thereby promotes the pressure-bearing plate and the outside motion of apron and open the pressure release mouth, and partial rivers discharge through the pressure release mouth and carry out the pressure release, can remind the operating personnel in the pipeline that the water pressure increases the overload to do corresponding preparation in advance.

Description

Municipal administration pipeline port rubber plugging device

Technical Field

The utility model relates to a municipal administration pipeline technical field specifically is a municipal administration pipeline port rubber plugging device.

Background

Nowadays, when municipal pipeline goes wrong or under the circumstances such as the test of closing water is carried out to the pipeline, generally all need use the plugging device. The port of pipeline is sealed through the plugging device promptly to carry out maintenance construction to the pipeline, current pipeline plugging device generally adopts the structure of rubber plugging device, through a connection pad promptly, has the buckle of a U type or V type in connection pad circumference, closely cooperates a rubber inflation tyre in the buckle, when carrying out the pipeline shutoff, inflates the pneumatic tyre, makes it fill full pipeline circumference gradually, thereby reaches the effect sealed to the pipeline.

The municipal pipeline plugging device in the market is suitable for being used under the condition that the water of the pipeline is cut off in use, and does not have the pressure relief function, and under some special conditions, when the water of the pipeline cannot be cut off and plugged, the pipeline is difficult to be quickly plugged by the plugging device due to high water pressure; when the plugging device is detached under the condition of pressure, the water pressure is suddenly increased at the moment of detaching the plugging device, and the safety threat to operating personnel is easily generated. In addition, although the stopper is generally subjected to rated pressure calculation when leaving a factory, under some special conditions, if the water pressure in the pipeline is suddenly increased and exceeds the rated pressure in the construction process, the stopper is easily and directly flushed away, so that the safety of operators is affected, and therefore, the municipal pipeline port rubber stopper is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a municipal pipeline port rubber plugging device, which solves the problems that the municipal pipeline plugging device provided in the background technology is suitable for being used under the condition that the pipeline is cut off water in use, has no pressure release function, and is difficult to rapidly plug the pipeline due to high water pressure under certain special conditions when the pipeline cannot be plugged by cutting off water; when the plugging device is detached under the condition of pressure, the water pressure is suddenly increased at the moment of detaching the plugging device, and the safety threat to operating personnel is easily generated. In addition, although the plugging device generally has rated pressure calculation when leaving a factory, under some special conditions, if the water pressure in the pipeline is suddenly increased and exceeds the rated pressure in the construction process, the plugging device is easily flushed directly, and the safety of operators is affected.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a municipal administration pipeline port rubber plugging device, includes pipeline and filter screen, the inboard of pipeline is provided with rubber pneumatic tyre, and the below of rubber pneumatic tyre is provided with the support frame, the lower extreme of support frame is provided with the connection pad, and the middle part of connection pad is provided with the pressure release mouth, the inside of pressure release mouth is provided with the connecting rod, and the left end of connecting rod is provided with the bearing plate, the outside of bearing plate is provided with the guiding axle, and the outside cover of guiding axle is equipped with the spring, the surface of connection pad is provided with the recess, and the inside of recess is provided with the kicking block, the inboard of kicking block is provided with ejecting bolt, the right-hand member of connecting rod is provided with the sealing washer, and the right-hand apron that is provided with of sealing washer, the filter screen sets up in the left of bearing plate, and the outside of filter screen is provided with extends the frame, the surface that extends the frame is provided with fastening bolt.

Preferably, the pipeline is tightly attached to the rubber pneumatic tire, and the rubber pneumatic tire is symmetrically distributed in a group along the horizontal central axis of the pipeline.

Preferably, the connecting disc is fixedly connected with the guide shaft, and the bearing plate and the spring form an elastic structure through the guide shaft.

Preferably, the connecting rod is perpendicular to the cover plate, and the sealing ring is glued to the cover plate.

Preferably, the connecting disc and the ejector block form a clamping structure through the groove, and the connecting disc is in threaded connection with the ejector bolt.

Preferably, the bearing plate and the filter screen are parallel to each other, and the extension frame and the filter screen form a thread structure through a fastening bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the rubber stopper for the municipal pipeline port is provided with a connecting disc, the connecting disc is fixedly connected with a guide shaft, when the water pressure in the pipeline is increased to a preset value of the pre-tightening force of a spring in a normal blocking state, the spring is compressed to push a bearing plate and a cover plate to move outwards so as to open a pressure relief opening, part of water flow is discharged through the pressure relief opening to carry out pressure relief, so that an operator can be reminded of the overload caused by the increase of the water pressure in the pipeline, corresponding preparation is made in advance, and like the stopper without the pressure relief structure, the stopper is likely to be directly flushed away in an emergency, and the personal safety threat of the constructor is easily caused under the condition of no early warning;

the connecting disc and the ejector block form a clamping structure through the groove, a user manually pulls the cover plate outwards, the ejector bolt can be rotated through a wrench, the ejector block ejecting the bolt moves outwards after being separated from the groove, the cover plate is ejected out gradually, the ejector bolt is screwed back during plugging, the ejector block gradually enters the groove, and the cover plate can seal the pressure relief opening under the action of the spring to realize artificial pressure relief;

being parallel to each other between bearing plate and the filter screen, setting up of filter screen is used for silt and little stone in the filtering conduit, and silt and little stone block up the pressure release mouth and lead to the pressure release to interrupt when the pressure release to produce certain danger to constructor, after the work is accomplished to the plugging device, the manual fastening bolt of unscrewing of user will extend and separate between frame and the filter screen, the washing and the change of the filter screen of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram of the plugging state of the plugging device of the present invention;

fig. 2 is a schematic structural view of the automatic pressure relief state of the plugging device of the present invention;

fig. 3 is a schematic structural view of the artificial pressure relief state of the plugging device of the present invention;

fig. 4 is a schematic side view of the plugging device of the present invention.

In the figure: 1. a pipeline; 2. a rubber pneumatic tire; 3. a support frame; 4. a connecting disc; 5. a spring; 6. a guide shaft; 7. a connecting rod; 8. a pressure bearing plate; 9. a groove; 10. a top block; 11. ejecting the bolt; 12. a seal ring; 13. a cover plate; 14. a pressure relief port; 15. an extension frame; 16. a filter screen; 17. and fastening the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a municipal pipeline port rubber stopper comprises a pipeline 1, a rubber pneumatic tire 2, a support frame 3, a connecting disc 4, a spring 5, a guide shaft 6, a connecting rod 7, a bearing plate 8, a groove 9, a top block 10, an ejection bolt 11, a sealing ring 12, a cover plate 13, a pressure relief port 14, an extension frame 15, a filter screen 16 and a fastening bolt 17, wherein the rubber pneumatic tire 2 is arranged on the inner side of the pipeline 1, the support frame 3 is arranged below the rubber pneumatic tire 2, the connecting disc 4 is arranged at the lower end of the support frame 3, the pressure relief port 14 is arranged in the middle of the connecting disc 4, the connecting rod 7 is arranged in the pressure relief port 14, the bearing plate 8 is arranged at the left end of the connecting rod 7, the guide shaft 6 is arranged outside the bearing plate 8, the spring 5 is sleeved outside the guide shaft 6, the groove 9 is arranged on the outer surface of the connecting disc 4, the top block 10 is arranged inside the groove 9, the ejection bolt 11 is arranged inside the top block 10, a sealing ring 12 is arranged at the right end of the connecting rod 7, a cover plate 13 is arranged on the right side of the sealing ring 12, a filter screen 16 is arranged on the left side of the pressure bearing plate 8, an extension frame 15 is arranged outside the filter screen 16, and a fastening bolt 17 is arranged on the surface of the extension frame 15;

the pipeline 1 is tightly attached to the rubber pneumatic tire 2, the rubber pneumatic tire 2 is symmetrically distributed in a group along the horizontal central axis of the pipeline 1, when the pipeline 1 needs to be plugged under pressure without stopping water under special conditions, the pressure relief port 14 can be opened firstly, then the rubber pneumatic tire 2 is inflated, the plugging device cannot be subjected to extremely large water pressure at the moment, the inner wall of the pipeline 1 can be easily and quickly filled with the rubber pneumatic tire 2 for sealing, and then the smaller pressure relief port 14 is independently operated to be closed, so that the operation is very simple, the principle is the same during disassembly, the installation under pressure of the plugging device can be facilitated, and the safety of operating personnel can be ensured;

the connecting disc 4 is fixedly connected with the guide shaft 6, the bearing plate 8 and the spring 5 form an elastic structure through the guide shaft 6, when the water pressure in the pipeline 1 is increased to a preset value of the pretightening force of the spring 5 in a normal plugging state, the spring 5 is compressed, the bearing plate 8 and the cover plate 13 are pushed to move outwards, so that a pressure relief opening 14 is opened, part of water flow is discharged through the pressure relief opening 14 for pressure relief, and an operator can be reminded of the overload caused by the increase of the water pressure in the pipeline 1 so as to prepare correspondingly in advance;

the connecting rod 7 is vertical to the cover plate 13, the sealing ring 12 is glued with the cover plate 13, the sealing ring 12 is arranged on the inner side of the cover plate 13 and used for ensuring the sealing performance of the pressure relief opening 14, the problem that construction progress is influenced due to water flow flowing out when a constructor works in a sealed environment is avoided, the stability between the sealing ring 12 and the cover plate 13 is improved due to the gluing between the sealing ring 12 and the cover plate 13, and the two are prevented from falling off;

the connecting disc 4 and the ejecting block 10 form a clamping structure through the groove 9, the connecting disc 4 is in threaded connection with the ejecting bolt 11, a user manually pulls the cover plate 13 outwards, the ejecting bolt 11 can be rotated through a wrench, the ejecting block 10 of the ejecting bolt 11 moves outwards after being separated from the groove 9, the cover plate 13 is ejected out gradually, the ejecting bolt 11 is screwed back when being plugged, the ejecting block 10 gradually enters the groove 9, and the cover plate 13 can seal the pressure relief port 14 under the action of the spring 5, so that artificial pressure relief is realized;

bearing plate 8 and filter screen 16 are parallel to each other, and extend frame 15 and constitute the helicitic texture through fastening bolt 17 and filter screen 16, setting up of filter screen 16 is used for silt and little stone in the filter tube 1, avoid silt and little stone to block up pressure release mouth 14 and lead to the pressure release to break off when the pressure release, thereby produce certain danger to the constructor, after the work is accomplished to the plugging device, the manual fastening bolt 17 of unscrewing of user will extend and separate between frame 15 and the filter screen 16, be convenient for the washing and the change of filter screen 16.

The working principle is as follows: for the municipal pipeline port rubber plugging device, firstly, under the normal use condition, especially under the condition that the pipeline 1 is cut off water, when the pipeline 1 is maintained, the municipal pipeline port rubber plugging device can be normally used like a common plugging device, when the pipeline 1 is required to be plugged under pressure without cutting off water under special conditions, the pressure relief port 14 can be opened firstly, then the rubber air tire 2 is inflated, at the moment, the plugging device is not subjected to extremely large water pressure, the inner wall of the pipeline 1 can be easily and quickly filled with the rubber air tire 2 for sealing, then the smaller pressure relief port 14 is independently operated to be closed, the operation is very simple, the principle is the same during disassembly, the pressurized installation of the plugging device can be facilitated, the safety of operating personnel can be ensured, under the normal plugging state, when the water pressure in the pipeline 1 is increased to the preset value of the pre-tightening force of the spring 5, the spring 5 is compressed, the pressure bearing plate 8 and the cover plate 13 are pushed to move outwards so as to open the pressure relief port 14, partial water flow is discharged through the pressure relief port 14 to relieve pressure, so that an operator can be reminded of water pressure increase and overload in the pipeline 1 to make corresponding preparation in advance, a sealing ring 12 is arranged on the inner side of the cover plate 13 and used for ensuring the sealing performance of the pressure relief port 14 to prevent the water flow from flowing out when the operator works in a sealed environment so as to influence the construction progress, the cover plate 13 is pulled outwards manually by a user, the ejector bolt 11 can be rotated by a wrench, the ejector block 10 of the ejector bolt 11 moves outwards out of the groove 9 to eject the cover plate 13 step by step, the ejector bolt 11 is screwed back during plugging, the ejector block 10 gradually enters the groove 9, the cover plate 13 can seal the pressure relief port 14 under the action of the spring 5 to realize artificial pressure relief, the filter screen 16 is arranged for filtering silt and small stones in the pipeline 1, and the phenomenon that the pressure relief port 14 is blocked by the silt and the small stones during pressure relief to cause pressure relief interruption is avoided, therefore, certain danger is generated to constructors, and after the plugging device finishes working, a user manually unscrews the fastening bolt 17 to separate the extension frame 15 from the filter screen 16, so that the filter screen 16 is convenient to clean and replace.

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.

Claims

1. The utility model provides a municipal administration pipeline port rubber plugging device, includes pipeline (1) and filter screen (16), its characterized in that: the inner side of the pipeline (1) is provided with a rubber pneumatic tire (2), a support frame (3) is arranged below the rubber pneumatic tire (2), a connecting disc (4) is arranged at the lower end of the support frame (3), a pressure relief opening (14) is formed in the middle of the connecting disc (4), a connecting rod (7) is arranged inside the pressure relief opening (14), a bearing plate (8) is arranged at the left end of the connecting rod (7), a guide shaft (6) is arranged outside the bearing plate (8), a spring (5) is sleeved outside the guide shaft (6), a groove (9) is formed in the outer surface of the connecting disc (4), a top block (10) is arranged inside the groove (9), an ejection bolt (11) is arranged inside the top block (10), a sealing ring (12) is arranged at the right end of the connecting rod (7), and a cover plate (13) is arranged on the right side of the sealing ring (12), the filter screen (16) is arranged on the left of the pressure bearing plate (8), an extension frame (15) is arranged outside the filter screen (16), and a fastening bolt (17) is arranged on the surface of the extension frame (15).

2. The municipal pipeline port rubber stopper of claim 1, wherein: the pipeline (1) is tightly attached to the rubber pneumatic tire (2), and the rubber pneumatic tire (2) is symmetrically distributed with a group along the horizontal central axis of the pipeline (1).

3. The municipal pipeline port rubber stopper of claim 1, wherein: the connecting disc (4) is fixedly connected with the guide shaft (6), and the bearing plate (8) and the spring (5) form an elastic structure through the guide shaft (6).

4. The municipal pipeline port rubber stopper of claim 1, wherein: the connecting rod (7) and the cover plate (13) are mutually vertical, and the sealing ring (12) and the cover plate (13) are glued.

5. The municipal pipeline port rubber stopper of claim 1, wherein: the connecting disc (4) and the ejector block (10) form a clamping structure through the groove (9), and the connecting disc (4) is in threaded connection with the ejector bolt (11).

6. The municipal pipeline port rubber stopper of claim 1, wherein: the bearing plate (8) and the filter screen (16) are parallel to each other, and the extension frame (15) and the filter screen (16) form a thread structure through a fastening bolt (17).