CN219639521U - Pipeline check valve - Google Patents
Pipeline check valve Download PDFInfo
- Publication number
- CN219639521U CN219639521U CN202320917326.5U CN202320917326U CN219639521U CN 219639521 U CN219639521 U CN 219639521U CN 202320917326 U CN202320917326 U CN 202320917326U CN 219639521 U CN219639521 U CN 219639521U
- Authority
- CN
- China
- Prior art keywords
- sealing
- mounting sleeve
- valve body
- valve
- guide rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 80
- 239000012530 fluid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model provides a pipeline one-way valve, which comprises a left valve body and a right valve body, wherein the left valve body is in threaded connection with the right valve body; the unidirectional sealing assembly comprises a mounting sleeve, a sealing valve seat, a sealing valve clack, a guide rod and a spring, wherein the mounting sleeve is annular, the right end of the mounting sleeve is propped against the fixed ring to form sealing, the left end of the mounting sleeve is propped against the left valve body to form sealing fit, the inner side of the mounting sleeve is provided with a guide ring coaxial with the mounting sleeve, the guide ring is fixedly connected with the mounting sleeve through a connecting rib, the guide rod is slidably connected in the guide ring, the sealing valve clack is connected at the left end of the guide rod, the sealing valve seat is in threaded connection with the inner side of the mounting sleeve, the spring is sleeved on the guide rod, and the sealing valve clack is propped against the sealing valve seat to form sealing fit. The left valve body and the right valve body are connected by adopting a threaded structure, so that the assembly is simple and convenient; the unidirectional sealing assembly is arranged in the valve body in an independent integrated mode, and is convenient to detach and independently maintain.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a pipeline one-way valve.
Background
The one-way valve is commonly called as a one-way valve, wherein fluid can only flow along the water inlet, but the medium at the water outlet cannot flow back. One-way valves are also known as check valves or non-return valves. The one-way valve has two types, namely a straight-through type valve and a right-angle type valve.
The straight-through type one-way valve comprises two valve bodies, a one-way sealing structure is arranged in each valve body, the two valve bodies of the existing common straight-through type one-way valve are fixedly connected through a clamp structure, the two valve bodies are required to be correspondingly and aligned to be connected during connection, and then the clamp is locked, if the clamp is locked, the two valve bodies are not tightly attached to be aligned, and the leakage situation can occur after the locking. A novel pipeline check valve disclosed in the patent with the patent number of CN2022222498160 adopts a clamp locking structure.
In addition, how to maintain the one-way sealing structure of the one-way valve conveniently and rapidly is also a problem to be considered.
Disclosure of Invention
Aiming at the problems pointed out in the background art, the utility model provides the pipeline one-way valve, wherein the valve body adopts a threaded connection structure, the problem of alignment of two valve bodies is not needed to be considered specially when the valve body is assembled, and the one-way sealing structure adopts an integrated structure, so that the assembly, disassembly and maintenance are convenient.
The technical scheme of the utility model is realized as follows:
a pipeline one-way valve comprises a left valve body and a right valve body, wherein the left valve body is in threaded connection with the right valve body, a one-way sealing assembly is arranged in the right valve body, and an annular fixing ring is arranged in the right valve body;
the one-way sealing assembly comprises a mounting sleeve, a sealing valve seat, a sealing valve clack, a guide rod and a spring, wherein the mounting sleeve is annular, the right end of the mounting sleeve is propped against the fixed ring to form sealing fit, the left end of the mounting sleeve is propped against the left valve body to form sealing fit, the inner side of the mounting sleeve is provided with a guide ring coaxial with the mounting sleeve, the guide ring is fixedly connected with the mounting sleeve through a connecting rib, the guide rod is slidably connected in the guide ring, the sealing valve clack is connected at the left end of the guide rod, the sealing valve seat is in threaded connection with the inner side of the mounting sleeve, the spring is sleeved on the guide rod, and the sealing valve clack is propped against the sealing valve seat to form sealing fit.
The utility model is further arranged that the left side surface of the sealing valve seat forms a diversion inclined surface with a thin middle edge.
The utility model further provides that the inner ring of the sealing valve seat is of a regular hexagon structure.
The utility model is further arranged that the inner diameter of the mounting sleeve, the inner diameter of the fixing ring and the inner diameter of the left valve body are equal.
The utility model is further characterized in that the diameter of the sealing valve clack is smaller than the inner diameter of the mounting sleeve, and the sealing valve clack and the guide rod are coaxially arranged.
By adopting the technical scheme, the utility model has the beneficial effects that:
(1) The left valve body and the right valve body are connected by adopting a threaded structure, so that the assembly is simple and convenient;
(2) The unidirectional sealing component is independently and integrally arranged in the valve body, so that the unidirectional sealing component is convenient to detach and independently maintain;
(3) The sealing position of the sealing valve seat and the sealing valve clack can be adjusted, the sealing pressure is adjusted by adjusting the position of the sealing valve seat, and the force required by opening the one-way valve is adjusted.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is illustrated below with reference to fig. 1:
example 1: the utility model provides a pipeline check valve, includes left valve body 1 and right valve body 2, the right-hand member of left valve body 1 and the left end threaded connection of right valve body 2, and left valve body 1 is tubular structure, and the right-hand member of left valve body 1 forms annular adapter sleeve 11, adapter sleeve 11 and the left end threaded connection of right valve body.
The right valve body 2 is internally provided with a one-way sealing component, the right valve body 2 is internally provided with an annular fixed ring 21, and the one-way sealing component is fixedly arranged between the fixed ring 21 and the left valve body 1.
The unidirectional sealing assembly comprises a mounting sleeve 31, a sealing valve seat 32, a sealing valve clack 33, a guide rod 34 and a spring 35, wherein the mounting sleeve 31 and the sealing valve seat 32 are made of plastics, the guide rod 34 is made of metal, the sealing valve clack 33 is made of rubber, the mounting sleeve 31 is in a circular ring shape, the right end of the mounting sleeve 31 abuts against the fixed ring 21 to form sealing fit, the left end of the mounting sleeve 31 abuts against the left valve body 1 to form sealing fit, a sealing ring can be arranged to realize the sealing fit, the mounting sleeve 31 is clamped and fixed by the fixed ring 21 and the left valve body 1 in the axial direction, a guide ring 36 coaxial with the mounting sleeve 31 is arranged on the inner side of the mounting sleeve 31, the guide ring 36 is fixedly connected with the mounting sleeve 31 through a plurality of connecting ribs 37, the plurality of connecting ribs 37 are arranged at intervals in the circumferential direction, the guide rod 34 is slidably connected in the guide ring 36, the guide rod 34 can move left and right, the sealing valve clack 33 is connected to the left end of the guide rod 34, the sealing valve seat 32 is in threaded connection with the inner side of the mounting sleeve 31, the spring 35 is sleeved on the guide rod 34 to form sealing fit with the valve seat 33. The inner diameter of the mounting sleeve 31, the inner diameter of the fixing ring 21 and the inner diameter of the left valve body 1 are equal, the diameter of the sealing valve clack 33 is smaller than the inner diameter of the mounting sleeve 31, and the sealing valve clack 33 and the guide rod 34 are coaxially arranged. The two ends of the spring 35 respectively prop against the sealing valve clack 33 and the connecting rib 37, the spring 35 is in a compressed state, and the sealing valve clack 33 and the sealing valve seat 32 form sealing fit under the elastic force of the spring 35.
In the structure, after the sealing valve seat is connected with the mounting sleeve and is adjusted to a proper position, the sealing glue can be smeared between the sealing valve seat and the mounting sleeve to enhance the sealing performance, and the scheme can be used selectively according to the requirement.
The left side of the sealing valve seat 32 forms a diversion slope 38 behind the middle thin edge, and the diversion slope 38 helps to guide the movement of the fluid, and reduces the resistance of the sealing valve seat 32 to the fluid.
The inner ring of the sealing valve seat 32 is of a regular hexagon structure, so that the sealing valve seat 32 can be conveniently operated by using regular hexagon work, and the sealing valve seat 32 is operated to rotate.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (5)
1. The utility model provides a pipeline check valve, includes left valve body and right valve body, its characterized in that: the left valve body is in threaded connection with the right valve body, a one-way sealing assembly is arranged in the right valve body, and an annular fixing ring is arranged in the right valve body;
the one-way sealing assembly comprises a mounting sleeve, a sealing valve seat, a sealing valve clack, a guide rod and a spring, wherein the mounting sleeve is annular, the right end of the mounting sleeve is propped against the fixed ring to form sealing fit, the left end of the mounting sleeve is propped against the left valve body to form sealing fit, the inner side of the mounting sleeve is provided with a guide ring coaxial with the mounting sleeve, the guide ring is fixedly connected with the mounting sleeve through a connecting rib, the guide rod is slidably connected in the guide ring, the sealing valve clack is connected at the left end of the guide rod, the sealing valve seat is in threaded connection with the inner side of the mounting sleeve, the spring is sleeved on the guide rod, and the sealing valve clack is propped against the sealing valve seat to form sealing fit.
2. A pipe check valve according to claim 1, wherein: the left side surface of the sealing valve seat forms a diversion inclined plane with a thin middle edge.
3. A pipe check valve according to claim 1, wherein: the inner ring of the sealing valve seat is of a regular hexagon structure.
4. A pipe check valve according to claim 1, wherein: the inner diameter of the mounting sleeve, the inner diameter of the fixing ring and the inner diameter of the left valve body are equal.
5. A pipe check valve according to claim 1, wherein: the diameter of the sealing valve clack is smaller than the inner diameter of the mounting sleeve, and the sealing valve clack and the guide rod are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320917326.5U CN219639521U (en) | 2023-04-19 | 2023-04-19 | Pipeline check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320917326.5U CN219639521U (en) | 2023-04-19 | 2023-04-19 | Pipeline check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219639521U true CN219639521U (en) | 2023-09-05 |
Family
ID=87816217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320917326.5U Active CN219639521U (en) | 2023-04-19 | 2023-04-19 | Pipeline check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219639521U (en) |
-
2023
- 2023-04-19 CN CN202320917326.5U patent/CN219639521U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |