CN221034121U - Check valve - Google Patents

Check valve Download PDF

Info

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.)
Active
Application number
CN202322822813.6U
Other languages
Chinese (zh)
Inventor
章显波
罗玉友
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shijia Valve Co ltd
Original Assignee
Shijia Valve Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shijia Valve Co ltd filed Critical Shijia Valve Co ltd
Priority to CN202322822813.6U priority Critical patent/CN221034121U/en
Application granted granted Critical
Publication of CN221034121U publication Critical patent/CN221034121U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Check valve
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.
CN202322822813.6U 2023-10-19 2023-10-19 Check valve Active CN221034121U (en)

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)

Similar Documents

Publication Publication Date Title
CN221034121U (en) Check valve
CN108457775B (en) Check valve for engine exhaust gas recirculation system
CN213575732U (en) Double-plate check valve body capable of reducing pressure loss
CN210566347U (en) Butterfly valve limiting and locking device
CN2409384Y (en) Soft sealed eccentric butterfly valve
CN215891156U (en) Novel aluminum alloy wafer formula butterfly valve
CN2416297Y (en) Closing shift eccentric abutting clamping butterfly valve
CN214305322U (en) Inclined sealing butterfly valve
CN216200869U (en) Check valve capable of limiting opening angle of valve clack
CN216045498U (en) High-strength wear-resistant butterfly valve
CN214367880U (en) Swing valve of all-titanium alloy sealing surface
CN219472772U (en) Corrosion-resistant electric regulating valve
CN216078501U (en) Concealed sealing angle valve
CN211288785U (en) Pneumatic butt-clamp type rubber sealing butterfly valve
CN221075887U (en) Socket welding formula instrument valves that reliability is high
CN218523050U (en) Low-torque bidirectional sealing butterfly valve
CN214093123U (en) Two-piece ball valve convenient to disassemble and assemble
CN216478990U (en) Butterfly valve with U-shaped metal valve seat and oval butterfly plate sealed
CN209245326U (en) A kind of double eccentric half ball valve
CN216923261U (en) Aerospace gate valve convenient to dismouting
CN216009745U (en) Non-return self-locking stop valve
CN215861825U (en) Zero-abrasion gate valve
CN213298920U (en) Swing type ball-shaped check valve
CN213575645U (en) Special gate valve for desulfurization and denitrification
CN211175456U (en) Vacuum valve convenient to installation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant