CN219345588U

CN219345588U - Pressure-adjustable swing check valve device

Info

Publication number: CN219345588U
Application number: CN202223141754.8U
Authority: CN
Inventors: 张东鹏; 刘杜伟; 白宝瑞; 康弘智
Original assignee: Shaanxi Yulin Energy Group Hengshan Coal Power Co ltd
Current assignee: Shaanxi Yulin Energy Group Hengshan Coal Power Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-07-14
Anticipated expiration: 2032-11-25

Abstract

The utility model provides a swing check valve device with adjustable pressure. The pressure-adjustable swing check valve apparatus includes: a cylinder; the connecting rod is hinged to one side of the cylinder body; the valve clack is fixedly arranged on the connecting rod; the fixed plate is fixedly arranged on the inner wall of the cylinder body; the screw rod is arranged on the fixing plate in a threaded mode and extends out of the cylinder body. The swing check valve device with adjustable pressure has the advantages of being capable of adjusting the opening angle of the valve clack and controlling the flow of passing liquid.

Description

Pressure-adjustable swing check valve device

Technical Field

The utility model relates to the technical field of check valves, in particular to a swing check valve device with adjustable pressure.

Background

The check valve is a valve with a circular valve clack and can block the backflow of medium by the action of self weight and medium pressure, and belongs to automatic valves, also called check valve, one-way valve, reflux valve or isolation valve, and can play a role in safety isolation.

In the actual use of the existing check valve, the opening degree of the valve clack can not be known and the opening and closing can not be controlled by completely depending on the medium.

Accordingly, there is a need to provide a new pressure-adjustable swing check valve apparatus that addresses the above-described problems.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a swing check valve device with adjustable valve clack opening angle, so that the pressure of the passing liquid flow can be controlled.

In order to solve the above technical problems, the swing check valve device with adjustable pressure provided by the present utility model includes: a cylinder; the connecting rod is hinged to one side of the cylinder body; the valve clack is fixedly arranged on the connecting rod; the fixed plate is fixedly arranged on the inner wall of the cylinder body; the screw rod is arranged on the fixing plate in a threaded mode and extends out of the cylinder body.

Preferably, the top fixed mounting of screw rod has the limiting plate, rotate on the barrel and install the protective housing, all seted up the spout on the both sides inner wall of protective housing, the both sides of limiting plate respectively with two the inner wall sliding contact of spout.

Preferably, the top fixed mounting of barrel has the mount, rotate on the mount and install the pivot, the pivot with all fixed mounting has the awl tooth on the protective housing, two the awl tooth meshes mutually, fixed mounting has the hand wheel in the pivot.

Preferably, a rubber pad is fixedly arranged on the valve clack, and the rubber pad is arranged corresponding to the water inlet end of the cylinder.

Preferably, the two sides of the limiting plate are embedded with balls, and the two balls are respectively contacted with the inner walls of the two sliding grooves.

Preferably, the water outlet end and the water inlet end of the cylinder are rotatably provided with threaded connectors.

Compared with the related art, the pressure-adjustable swing check valve device provided by the utility model has the following beneficial effects:

the utility model provides a swing check valve device with adjustable pressure, which comprises a valve body, a valve cover and a valve cover, wherein the valve cover is arranged on the valve cover, and the valve cover is arranged on the valve cover:

1. the valve clack can be abutted by controlling the position of the screw rod, so that the opening and closing angle of the valve clack is controlled, the effect of controlling flow is achieved, the screw rod can be driven to rotate by rotating the protective shell, and water seepage can be prevented from being caused by the joint of the screw rod and the cylinder body through the protective shell;

2. can light drive the protective housing rotation more through rotating the hand wheel, do not need the user to raise the arm, can make valve clack and water inlet laminate more through the rubber pad, increase the anti-return effect, can make the limiting plate more smooth and easy at the spout internal movement through the ball, install this device on water pipe or oil pipe through threaded connection spare can be more convenient, also be convenient for follow-up dismantlement is changed.

Drawings

FIG. 1 is a schematic diagram of a swing check valve apparatus with adjustable pressure according to a preferred embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;

FIG. 3 is a schematic elevational view of the present utility model;

fig. 4 is a schematic diagram of an assembly structure of a limiting plate and a ball in the present utility model.

Reference numerals in the drawings: 1. a cylinder; 2. a valve flap; 3. a connecting rod; 4. a fixing plate; 5. a screw; 6. a limiting plate; 7. a protective shell; 8. a chute; 9. bevel gear; 10. a fixing frame; 11. a rotating shaft; 12. a hand wheel; 13. a rubber pad; 14. a threaded connection; 15. and (3) rolling balls.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1-4, fig. 1 is a schematic structural diagram of a swing check valve device with adjustable pressure according to a preferred embodiment of the present utility model; FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1; FIG. 3 is a schematic elevational view of the present utility model; fig. 4 is a schematic diagram of an assembly structure of a limiting plate and a ball in the present utility model. The pressure-adjustable swing check valve apparatus includes: a cylinder 1; a connecting rod 3, wherein the connecting rod 3 is hinged to one side of the cylinder 1; the valve clack 2 is fixedly arranged on the connecting rod 3; a fixing plate 4, wherein the fixing plate 4 is fixedly arranged on the inner wall of the cylinder 1; the screw rod 5, screw rod 5 screw thread is installed on the fixed plate 4 and extend to outside the barrel 1, through the position of control screw rod 5, can contradict valve clack 2 to the angle of opening and shutting of control valve clack 2 reaches the effect of control flow.

The top fixed mounting of screw rod 5 has limiting plate 6, rotate on the barrel 1 and install protective housing 7, spout 8 has all been seted up on the both sides inner wall of protective housing 7, the both sides of limiting plate 6 respectively with two spout 8's inner wall sliding contact can drive screw rod 5 through rotating protective housing 7 and rotate, can prevent rivers from by the junction infiltration of screw rod 5 and barrel 1 through protective housing 7.

The top fixed mounting of barrel 1 has mount 10, the rotation is installed on the mount 10 and is installed pivot 11, pivot 11 with all fixed mounting has awl tooth 9 on the protective housing 7, two awl tooth 9 meshes mutually, fixed mounting has hand wheel 12 in the pivot 11, can more easily drive protective housing 7 rotation through rotating hand wheel 12, does not need the user to raise the arm.

The valve clack 2 is fixedly provided with a rubber pad 13, the rubber pad 13 and the water inlet end of the cylinder body 1 are correspondingly arranged, the valve clack 2 and the water inlet can be more attached through the rubber pad 13, and the backflow preventing effect is improved.

The two sides of the limiting plate 6 are embedded with the balls 15, the two balls 15 are respectively contacted with the inner walls of the two sliding grooves 8, and the limiting plate 6 can move in the sliding grooves 8 more smoothly through the balls 15.

The water outlet end and the water inlet end of the cylinder body 1 are rotatably provided with threaded connecting pieces 14, and the device can be installed on a water pipe or an oil pipe more conveniently through the threaded connecting pieces 14, so that the subsequent disassembly and replacement are facilitated.

The working principle of the swing check valve device with adjustable pressure provided by the utility model is as follows:

when the device is used, the device is firstly arranged on a pipeline through the threaded connecting piece 14, the rubber pad 13 faces the liquid inlet end, the hand wheel 12 is rotated to drive the protective shell 7 to rotate, the screw 5 is driven to rotate, the height of the screw 5 is adjusted, the valve clack 2 is abutted against the screw 5 through controlling the position of the screw 5, the opening and closing angles are different, the flow rate of liquid is controlled, when the liquid flows back, the liquid impacts the valve clack 2, the valve clack 2 blocks the liquid inlet, and backflow can be prevented.

the utility model provides a swing check valve device with adjustable pressure, which can control the opening and closing angle of a valve clack 2 by controlling the position of a screw 5, so as to achieve the effect of controlling flow, can drive the screw 5 to rotate by rotating a protective shell 7, can prevent water from seeping from the joint of the screw 5 and a cylinder body 1 by the protective shell 7, can drive the protective shell 7 to rotate more easily by rotating a hand wheel 12, does not need a user to lift an arm, can enable the valve clack 2 to be more attached to a water inlet by a rubber pad 13, increases the backflow prevention effect, can enable a limiting plate 6 to move in a chute 8 more smoothly by a ball 15, can be more conveniently installed on a water pipe or an oil pipe by a threaded connecting piece 14, and is also convenient for subsequent disassembly and replacement.

The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A pressure-adjustable swing check valve apparatus, comprising:

a cylinder;

the connecting rod is hinged to one side of the cylinder body;

the valve clack is fixedly arranged on the connecting rod;

the fixed plate is fixedly arranged on the inner wall of the cylinder body;

the screw rod is arranged on the fixing plate in a threaded mode and extends out of the cylinder body.

2. The pressure-adjustable swing check valve device according to claim 1, wherein a limiting plate is fixedly installed at the top of the screw rod, a protective shell is rotatably installed on the cylinder body, sliding grooves are formed in inner walls of two sides of the protective shell, and two sides of the limiting plate are respectively in sliding contact with inner walls of the two sliding grooves.

3. The pressure-adjustable swing check valve device according to claim 2, wherein a fixing frame is fixedly installed at the top of the cylinder body, a rotating shaft is rotatably installed on the fixing frame, bevel gears are fixedly installed on the rotating shaft and the protective shell, the two bevel gears are meshed, and a hand wheel is fixedly installed on the rotating shaft.

4. The pressure-adjustable swing check valve device according to claim 1, wherein a rubber pad is fixedly mounted on the valve flap, and the rubber pad is disposed in correspondence with the water inlet end of the cylinder.

5. The pressure-adjustable swing check valve device according to claim 2, wherein balls are embedded on both sides of the limiting plate, and the two balls are respectively contacted with inner walls of the two sliding grooves.

6. The pressure-adjustable swing check valve device according to claim 1, wherein the water outlet end and the water inlet end of the cylinder are rotatably mounted with threaded connectors.