CN221034121U - Check valve - Google Patents
Check valve Download PDFInfo
- Publication number
- CN221034121U CN221034121U CN202322822813.6U CN202322822813U CN221034121U CN 221034121 U CN221034121 U CN 221034121U CN 202322822813 U CN202322822813 U CN 202322822813U CN 221034121 U CN221034121 U CN 221034121U
- Authority
- CN
- China
- Prior art keywords
- valve
- swing arm
- clack
- valve body
- utility
- 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
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model provides a check valve, which comprises a valve body, wherein a valve clack is arranged in the valve body, the upper end of the valve body is connected with a valve cover, and the check valve also comprises a swing arm connected with the valve clack, one end of the swing arm is fixedly connected with the valve clack, and the other end of the swing arm is rotationally connected with the valve cover. The valve clack in its valve body is directly connected with the valve gap through the swing arm, just so when dismantling the valve gap, just can dismantle the valve clack together, conveniently maintain the valve clack, among the above-mentioned technical scheme, connection structure between swing arm and the valve gap is the connecting piece, and the connecting piece is with valve gap welded fastening, adopts above-mentioned technical scheme, need not to carry out any transformation to valve body and valve gap, need not to add other connection structure, simple structure, low in manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a check valve.
Background
A check valve is provided with a swingable valve clack inside, and the valve clack is in an open and closed state under the action of fluid at two sides. The valve of the check valve with adjustable opening angle is named as a patent number of CN202122656001.X applied by applicant 2022, 4 and 5.
In the above-mentioned patent technical scheme, the revolution mechanic of valve clack is connected with the valve body, when needs carry out cleaning maintenance to the valve clack structure, need dismantle the valve clack in from the valve body, has inconvenient dismantlement's problem, needs processing on the valve body moreover and connects valve clack pivoted structure, also has the problem that the processing degree of difficulty is big, manufacturing cost is high.
Disclosure of utility model
In view of the problems pointed out in the background art, the present utility model provides a check valve to solve the above technical problems.
The technical scheme of the utility model is realized as follows:
The check valve comprises a valve body, wherein a valve clack is arranged in the valve body, the upper end of the valve body is connected with a valve cover, the check valve further comprises a swing arm connected with the valve clack, one end of the swing arm is fixedly connected with the valve clack, and the other end of the swing arm is rotationally connected with the valve cover.
The utility model further provides a connecting piece, wherein the connecting piece comprises a fixing piece, the fixing piece is fixedly connected to the inner side of the valve cover, two hinge parts extending downwards are arranged on the fixing piece, and the other end of the swing arm is rotatably connected between the two hinge parts.
The utility model further provides that the fixing piece is welded and fixed with the valve cover.
The utility model is further arranged to further comprise a hinge hole penetrating through the hinge part and the swing arm, and a hinge shaft is arranged in the hinge hole.
The utility model is further arranged that the hinge part is arranged perpendicular to the fixing piece.
The utility model further provides that one side of the fixing piece extends downwards to form an S-shaped elastic part, the elastic part is propped against the swing arm, and the elastic part applies elasticity to the swing arm.
By adopting the technical scheme, the utility model has the beneficial effects that:
(1) The valve clack in its valve body is directly connected with the valve gap through the swing arm, just so when dismantling the valve gap, just can dismantle the valve clack together, conveniently maintain the valve clack, among the above-mentioned technical scheme, connection structure between swing arm and the valve gap is the connecting piece, and the connecting piece is with valve gap welded fastening, adopts above-mentioned technical scheme, need not to carry out any transformation to valve body and valve gap, need not to add other connection structure, simple structure, low in manufacturing cost.
(2) The elastic part extending from the fixing piece can apply elastic force to the swing arm, so that the valve clack is kept in a stable closing state under the action of the elastic force.
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.
Fig. 2 is a schematic structural view of the connector of the present utility model.
The reference numerals in the drawings indicate: the valve comprises a valve body 1, a valve cover 3, a valve clack 4, a swing arm 5, a fixing piece 6, a hinge part 7, a hinge shaft 8 and an elastic part 9.
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. 1-2:
Example 1: the utility model provides a check valve, includes valve body 1, and both ends are import and export about valve body 1, and the upside of valve body is equipped with the installing port, and installing port department is connected with valve gap 3, is equipped with valve clack 4 in the valve body 1, and the sealed cooperation of valve clack 4 and the internal sealed face of valve still includes the swing arm 5 of being connected with valve clack 4, and the one end and the valve clack 4 fixed connection of swing arm 5, the other end and the valve gap 3 rotation of swing arm 5 are connected.
Still include the connecting piece, swing arm 5 rotates through the connecting piece with valve gap 3 to be connected, the connecting piece includes stationary blade 6, stationary blade 6 fixed connection is in the inboard of valve gap 3, stationary blade 6 and valve gap 3 welded fastening are equipped with two downwardly extending's articulated portion 7 on the stationary blade 6, stationary blade 6 and articulated portion 7 are sheet-like structure, articulated portion 7 sets up with stationary blade 6 perpendicularly, the other end of swing arm 5 rotates to be connected between two articulated portion 7, still including the hinge hole that runs through articulated portion 7 and swing arm 5, be equipped with articulated shaft 8 in the hinge hole. The fixing piece 6 and the hinge 7 are both made of a metal material.
One side of the fixing piece 6 downwards extends to form an S-shaped elastic part 9, the elastic part 9 and the fixing piece 6 are integrally arranged, the elastic part 9 is propped against the swing arm 5, the elastic part 9 applies elastic force to the swing arm 5, under the action of the elastic force, the valve clack 4 and the sealing surface on the valve body form sealing fit, the elastic force enables the valve clack 4 to be kept in a stable sealing state, the sealing state of the valve clack 4 cannot be influenced due to small fluid fluctuation, and the problem that the valve clack 4 can be opened accidentally under the condition of insufficient or unstable check pressure is solved.
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 (4)
1. The utility model provides a check valve, includes the valve body, is equipped with the valve clack in the valve body, and the upper end of valve body is connected with the valve gap, still includes the swing arm of being connected with the valve clack, its characterized in that: one end of the swing arm is fixedly connected with the valve clack, and the other end of the swing arm is rotationally connected with the valve cover; still include the connecting piece, the connecting piece includes the stationary blade, stationary blade fixed connection is equipped with two downwardly extending' S articulated portions on the stationary blade in the inboard of valve gap, the other end of swing arm rotates to be connected between two articulated portions, one side downwardly extending of stationary blade form the elasticity portion of S-shaped, elasticity portion offsets with the swing arm, elasticity portion applys elasticity to the swing arm.
2. A check valve according to claim 1, wherein: the fixing piece is welded and fixed with the valve cover.
3. A check valve according to claim 1, wherein: the device also comprises a hinge hole penetrating through the hinge part and the swing arm, and a hinge shaft is arranged in the hinge hole.
4. A check valve according to claim 1, wherein: the hinge part is perpendicular to the fixing piece.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322822813.6U CN221034121U (en) | 2023-10-19 | 2023-10-19 | Check valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322822813.6U CN221034121U (en) | 2023-10-19 | 2023-10-19 | Check valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN221034121U true CN221034121U (en) | 2024-05-28 |
Family
ID=91190442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322822813.6U Active CN221034121U (en) | 2023-10-19 | 2023-10-19 | Check valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN221034121U (en) |
-
2023
- 2023-10-19 CN CN202322822813.6U patent/CN221034121U/en active Active
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