CN212900229U

CN212900229U - Pipeline sealing structure

Info

Publication number: CN212900229U
Application number: CN202021253132.2U
Authority: CN
Inventors: 王根淼
Original assignee: Beijing Anxin Runkang Technology Co ltd
Current assignee: Beijing Anxin Runkang Technology Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-06
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a pipeline sealing structure relates to pipeline sealing technical field. The utility model discloses a first connecting pipe and second connecting pipe, the inside at first connecting pipe is pegged graft to the one end of second connecting pipe, the equal fixed mounting of one end that first connecting pipe and second connecting pipe are close to each other has a connecting ring, the spout has been seted up to the inside of go-between, first connecting pipe has seted up a first ring channel on being close to a terminal surface of second connecting pipe, a second ring channel has been seted up on the second connecting pipe is close to a terminal surface of first connecting pipe, be equipped with an elasticity sealing ring between first connecting pipe and the second connecting pipe, the one end of elasticity sealing ring is pegged graft in the inside of first ring channel, the other end of elasticity sealing ring is pegged graft in the inside of second ring channel. The utility model discloses a set up spacing subassembly, only can make first connecting pipe and second connecting pipe be close to each other to make elastic sealing ring's extrusion force bigger and bigger, make sealing performance stronger.

Description

Pipeline sealing structure

Technical Field

The utility model belongs to the technical field of the pipe-line seal, especially, relate to a pipeline seal structure.

Background

A pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like; the pipeline is widely applied to multiple industries and fields due to the unique characteristics of the pipeline, is mainly used for water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas transmission, agricultural irrigation, water conservancy projects and various industrial devices, and has wide application range; however, in the process of interconnection between pipelines, most of the used pipeline connecting pieces have complex structures and poor sealing performance, and are easy to leak after connection, thereby greatly influencing the normal use of the pipelines, reducing the service life of the pipelines, and even bringing great potential safety hazards to the production life of industries and people in severe cases, so that the pipeline connecting and sealing structure has simple structure and very obvious needs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline sealing structure through setting up spacing subassembly, has solved the relatively poor problem of current pipe tightness.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a pipeline sealing structure, which comprises a first connecting pipe and a second connecting pipe, wherein one end of the second connecting pipe is inserted in the first connecting pipe, one ends of the first connecting pipe and the second connecting pipe, which are close to each other, are fixedly provided with a connecting ring, and a chute is arranged in the connecting ring;

a first annular groove is formed in one end face, close to the second connecting pipe, of the first connecting pipe, a second annular groove is formed in one end face, close to the first connecting pipe, of the second connecting pipe, an elastic sealing ring is arranged between the first connecting pipe and the second connecting pipe, one end of the elastic sealing ring is inserted into the first annular groove, and the other end of the elastic sealing ring is inserted into the second annular groove;

the first connecting pipe and the second connecting pipe are connected through a limiting assembly;

the limiting assembly comprises a reverse toothed plate, the reverse toothed plate is located inside the sliding groove and in sliding fit with the sliding groove, the limiting assembly further comprises a fixing column fixed on the connecting ring, a top end of the fixing column is fixedly provided with a top plate, the outer side of the fixing column is connected with a movable plate in a sliding mode, a spring is sleeved on the circumferential side of the fixing column and located between the top plate and the movable plate, a limiting toothed plate is fixedly mounted on the lower surface of the movable plate, the limiting toothed plate penetrates through one surface of the connecting ring and extends to the inside of the sliding groove, and teeth on the limiting toothed plate are meshed with teeth on the reverse toothed plate.

Further, a limiting groove is formed in one relative inner wall of the sliding groove, a limiting plate is fixedly mounted on two side faces of the reverse toothed plate, and the limiting plate is located inside the limiting groove.

Further, the tooth direction of one end of the reverse toothed plate is opposite to that of the other end of the reverse toothed plate.

Further, a push plate is fixedly mounted on one side of the movable plate, and the push plate is a component made of steel alloy.

Further, a backing plate is fixedly mounted on the lower surface of the push plate, and the backing plate is a rubber component.

The utility model discloses following beneficial effect has:

the utility model inserts one end of the elastic sealing ring into the first ring groove, inserts the other end of the elastic sealing ring into the second ring groove, then pushes the movable plate outwards, the spring shrinks and shortens, meanwhile, the limit toothed plate moves outwards, then inserts the reverse toothed plate into the chute, then loosens the movable plate, because of the action of the spring, the limit toothed plate at the bottom end of the movable plate will limit the reverse toothed plate, then the staff extrudes the first connecting pipe and the second connecting pipe, the first connecting pipe and the second connecting pipe are close to each other, at this time, one end of the elastic sealing ring will be extruded tightly on the inner wall of the first ring groove, the other end of the elastic sealing ring will be extruded tightly on the inner wall of the second ring groove, thereby forming sealing between the first connecting pipe and the second connecting pipe, the utility model discloses a limit component is arranged, the first connecting pipe and the second connecting pipe can only be close to each other, so that the extrusion force of the elastic sealing ring is increased, and the sealing performance is stronger.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a pipe sealing structure;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of an elastomeric seal ring;

FIG. 5 is an enlarged view of portion B of FIG. 2;

fig. 6 is a structural schematic view of the inverted tooth plate;

in the drawings, the components represented by the respective reference numerals are listed below:

1-a first connecting pipe, 101-a first annular groove, 2-a second connecting pipe, 201-a second annular groove, 3-a connecting ring, 301-a sliding groove, 4-an elastic sealing ring, 5-a reverse toothed plate, 6-a fixed column, 7-a top plate, 8-a movable plate, 9-a spring and 10-a limiting toothed plate.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention relates to a pipe sealing structure, which includes a first connecting pipe 1 and a second connecting pipe 2, wherein one end of the second connecting pipe 2 is inserted into the first connecting pipe 1, a connecting ring 3 is fixedly installed at the end of the first connecting pipe 1 close to the second connecting pipe 2, and a chute 301 is opened inside the connecting ring 3;

a first annular groove 101 is formed in one end face, close to the second connecting pipe 2, of the first connecting pipe 1, a second annular groove 201 is formed in one end face, close to the first connecting pipe 1, of the second connecting pipe 2, an elastic sealing ring 4 is arranged between the first connecting pipe 1 and the second connecting pipe 2, one end of the elastic sealing ring 4 is inserted into the first annular groove 101, and the other end of the elastic sealing ring 4 is inserted into the second annular groove 201;

the first connecting pipe 1 and the second connecting pipe 2 are connected through a limiting assembly;

spacing subassembly includes a reverse pinion rack 5, reverse pinion rack 5 is located the inside of spout 301 and with spout 301 sliding fit, spacing subassembly is still including fixing fixed column 6 on go-between 3, the top fixed mounting of fixed column 6 has roof 7, the outside sliding connection of fixed column 6 has a fly leaf 8, the week side of fixed column 6 just is located and has cup jointed a spring 9 between roof 7 and the fly leaf 8, the lower fixed surface of fly leaf 8 installs a spacing pinion rack 10, spacing pinion rack 10 runs through go-between 3 a surface and extends to the inside of spout 301, the tooth on the spacing pinion rack 10 is connected with the tooth meshing on the reverse pinion rack 5.

Wherein, a spacing groove has all been seted up to a relative inner wall of spout 301, and the equal fixed mounting of both sides face of reverse pinion rack 5 has a limiting plate, and the limiting plate is located the inside of spacing groove.

As shown in fig. 6, the teeth of one end of the back toothed plate 5 are opposite to the teeth of the other end of the back toothed plate 5.

Wherein, a push plate is fixedly installed at one side of the movable plate 8, and the push plate is a member made of steel alloy.

Wherein, the lower surface fixed mounting of push pedal has a backing plate, and the backing plate is the component of rubber material.

One specific application of this embodiment is: when the first connecting pipe 1 and the second connecting pipe 2 need to be connected, firstly, a worker inserts one end of the elastic sealing ring 4 into the first annular groove 101, inserts the other end of the elastic sealing ring 4 into the second annular groove 201, then pushes the movable plate 8 outwards, the spring 9 contracts and shortens, the limiting toothed plate 10 moves outwards, then the reverse toothed plate 5 is inserted into the sliding groove 301, then the movable plate 8 is loosened, due to the action of the spring 9, the limiting toothed plate 10 at the bottom end of the movable plate 8 limits the reverse toothed plate 5, then the worker extrudes the first connecting pipe 1 and the second connecting pipe 2, so that the first connecting pipe 1 and the second connecting pipe 2 are close to each other, at the moment, one end of the elastic sealing ring 4 is extruded tightly on the inner wall of the first annular groove 101, and the other end of the elastic sealing ring 4 is extruded tightly on the inner wall of the second annular groove 201, thereby make and form between first connecting pipe 1 and the second connecting pipe 2 sealedly, in addition, because reverse pinion rack 5 and spacing pinion rack 10's cooperation is used, tooth on the spacing pinion rack 10 can only move to the inboard along the tooth on the reverse pinion rack 5, and can not move to the outside, consequently when taking place vibrations, first connecting pipe 1 and second connecting pipe 2 only can be close to each other, thereby make the extrusion force of elastic sealing ring 4 bigger and bigger, make sealing performance stronger, unless manual outside promotes fly leaf 8, just can make first connecting pipe 1 and second connecting pipe 2 keep away from each other.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A pipeline sealing structure comprises a first connecting pipe (1) and a second connecting pipe (2), and is characterized in that:

one end of the second connecting pipe (2) is inserted into the first connecting pipe (1), one ends, close to each other, of the first connecting pipe (1) and the second connecting pipe (2) are fixedly provided with a connecting ring (3), and a sliding groove (301) is formed in the connecting ring (3);

a first annular groove (101) is formed in one end face, close to the second connecting pipe (2), of the first connecting pipe (1);

a second annular groove (201) is formed in one end face, close to the first connecting pipe (1), of the second connecting pipe (2), an elastic sealing ring (4) is arranged between the first connecting pipe (1) and the second connecting pipe (2), one end of the elastic sealing ring (4) is inserted into the first annular groove (101), and the other end of the elastic sealing ring (4) is inserted into the second annular groove (201);

the first connecting pipe (1) and the second connecting pipe (2) are connected through a limiting assembly.

2. A pipe sealing structure according to claim 1, characterized in that the limiting assembly comprises a counter-toothed plate (5), the reverse toothed plate (5) is positioned inside the sliding groove (301) and is in sliding fit with the sliding groove (301), the limiting assembly also comprises a fixing column (6) fixed on the connecting ring (3), a top plate (7) is fixedly installed at the top end of the fixed column (6), a movable plate (8) is connected to the outer side of the fixed column (6) in a sliding manner, a spring (9) is sleeved on the peripheral side surface of the fixed column (6) and positioned between the top plate (7) and the movable plate (8), a limit toothed plate (10) is fixedly arranged on the lower surface of the movable plate (8), the limit toothed plate (10) penetrates through one surface of the connecting ring (3) and extends to the inside of the sliding groove (301), the teeth on the limiting toothed plate (10) are meshed and connected with the teeth on the reverse toothed plate (5).

3. The pipeline sealing structure according to claim 2, wherein a limiting groove is formed in each of opposite inner walls of the sliding groove (301), a limiting plate is fixedly mounted on each of two side surfaces of the inverted toothed plate (5), and the limiting plates are located inside the limiting grooves.

4. A pipe sealing structure according to claim 2 or 3, characterized in that the teeth of one end of the back toothed plate (5) are opposite to the teeth of the other end of the back toothed plate (5).

5. The pipeline sealing structure according to claim 2, wherein a push plate is fixedly installed on one side of the movable plate (8), and the push plate is a steel alloy member.

6. The pipe sealing structure according to claim 5, wherein a pad is fixedly mounted on the lower surface of the pushing plate, and the pad is a rubber member.