CN216768466U

CN216768466U - One-way valve

Info

Publication number: CN216768466U
Application number: CN202220000589.5U
Authority: CN
Inventors: 袁通华; 刘燕群
Original assignee: Dongguan Xinhua Mechanical Equipment Technology Co ltd
Current assignee: Dongguan Xinhua Mechanical Equipment Technology Co ltd
Priority date: 2022-01-03
Filing date: 2022-01-03
Publication date: 2022-06-17
Anticipated expiration: 2032-01-03

Abstract

The utility model discloses a one-way valve which comprises a one-way valve body, wherein a fixed cover plate is connected to the center of the one-way valve body in a penetrating and threaded manner, and a control mechanism is connected to the center of the fixed cover plate in a penetrating and sliding manner; the control mechanism can reset through the drive of the spring when the valve core loses the pressure of liquid, so that the first sealing ring seals the water inlet, the control mechanism comprises the valve core, one end, away from the fixed cover plate, of the valve core penetrates through the first sealing ring fixedly connected with, the middle position of the valve core penetrates through the fixed table fixedly connected with, the spring is fixedly connected to one side, close to the fixed cover plate, of the fixed table, and one end, away from the fixed cover plate, of the valve core is single. The control mechanism is arranged, the valve core is driven to move by the pressure of the liquid on the valve core, so that the liquid is transported through the one-way valve, the spring can drive the valve core to reset by itself when the pressure of the valve core is lost, sealing is finished, and the work can be finished by the flowing pressure of the liquid.

Description

One-way valve

Technical Field

The utility model relates to the technical field of valves, in particular to a one-way valve.

Background

The check valve is commonly called as a check valve, fluid can only flow in along a water inlet, and a medium at a water outlet cannot flow back, the straight-through type check valve is in a straight-through type and a right-angle type check valve, the straight-through type check valve is installed on a pipeline in a threaded connection mode, and the right-angle type check valve is in a threaded connection mode, a plate type connection mode and a flange connection mode.

Observe according to prior art, the pipeline needs to adopt different valves to carry out the flow velocity of flow etc. in the control tube way now in the connection process, most check valves all can have the inductor to control, control valve opens and closes, but in the use if the inductor has appeared the problem unable normally to close through the controller, follow-up can only carry out the field maintenance through the staff and look over, control flow and velocity of flow that so not only can't be accurate, but also need consume a large amount of manual works to go to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the one-way valve can perform self-throttling and locking sealing in a mechanical transmission mode.

In order to solve the technical problems, the utility model adopts a technical scheme that: providing a one-way valve which comprises a one-way valve body, wherein a fixed cover plate penetrates through the center of the one-way valve body and is connected with the center of the one-way valve body in a threaded manner, and a control mechanism penetrates through the center of the fixed cover plate and is connected with the fixed cover plate in a sliding manner; control mechanism can reset through the drive of spring when the case loses the pressure of liquid for first sealing washer seals the water inlet.

The control mechanism comprises a valve core, one end, away from the fixed cover plate, of the valve core penetrates through a first sealing ring fixedly connected with, the middle position of the valve core penetrates through a fixed table fixedly connected with, the fixed table is close to a spring fixedly connected with one side of the fixed cover plate, one end, away from the fixed cover plate, of the valve core penetrates through a guide sliding connection with one side of the check valve body, the valve core is pushed by liquid to move, the valve core drives the first sealing ring to move, the liquid enters the check valve to be transferred, the spring can drive the fixed table to reset when the pressure is reduced, the fixed table resets to drive the valve core to reset, and the valve core resets to drive the first sealing ring to reset so as to complete a sealing task.

Preferably, one side of the one-way valve body, which is close to the fixed cover plate, is provided with a plurality of mounting holes, and the mounting holes are used for fixing conveniently and are provided with wrench hole sites.

Preferably, one end of the spring, which is far away from the fixed platform, is connected with the side wall of the fixed cover plate, which is close to the valve core, and the spring drives the valve core to reset.

Preferably, the middle position of the check valve body is fixedly connected with a second sealing ring in a penetrating mode, and the second sealing ring is arranged for sealing the whole connecting position when the check valve body is connected with the high-pressure and low-pressure anti-channeling valve group.

Preferably, the outer wall of the one-way valve body on one side close to the first sealing ring is provided with thread teeth, and the thread teeth are arranged for being connected with a high-pressure and low-pressure anti-channeling valve group.

Preferably, the spring is a pressure spring, and the pressure spring can pull the fixing table to move and reset, so that sealing is completed.

Preferably, first sealing washer and second sealing washer are the silica gel material, and the silica gel material cost is low, and the wearability is good, and corrosion resistance is strong.

The utility model has the following beneficial effects:

the check valve is provided with the spring to form a control mechanism, the control mechanism can be assembled with a high-pressure and low-pressure anti-channeling valve group for use, and can also be used independently, the valve core is driven to move by the pressure of liquid on the valve core, so that the liquid is transported through the check valve, and the spring can drive the valve core to reset by self when the valve core loses pressure, so that sealing is completed, manual control is not needed, and the work can be completed by the pressure of liquid flowing.

Drawings

FIG. 1 is a schematic perspective view of a portion of the check valve of the present invention;

FIG. 2 is a schematic view of a partial perspective view of a valve cartridge of the check valve of the present invention;

fig. 3 is a side cross-sectional view of the check valve of the present invention.

In the figure: 1. a check valve body; 2. fixing the cover plate; 3. a valve core; 4. a first seal ring; 5. a spring; 6. a second seal ring; 7. a fixed table; 8. thread teeth; 9. and (7) installing holes.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1, 2 and 3, the check valve includes a check valve body 1, a fixed cover plate 2 is connected to a center of the check valve body 1 through a thread, and a control mechanism is connected to a center of the fixed cover plate 2 through a sliding manner;

the control mechanism comprises a valve core 3, one end of the valve core 3, which is far away from the fixed cover plate 2, is fixedly connected with a first sealing ring 4 in a penetrating way, the middle position of the valve core 3 is fixedly connected with a fixed platform 7 in a penetrating way, one side, which is close to the fixed cover plate 2, of the fixed platform 7 is fixedly connected with a spring 5, and one end, which is far away from the fixed cover plate 2, of the valve core 3 is connected with one side, which is through and in a sliding way, of the one-way valve body 1;

7 one end of fixed station is kept away from to spring 5 and is connected near 3 lateral walls of case with fixed cover plate 2, and check valve body 1 is close to first sealing washer 4 one side outer wall and is provided with thread tooth 8, and first sealing washer 4 and second sealing washer 6 are the silica gel material, and a plurality of mounting hole 9 has been seted up to check valve body 1 near 2 one side of fixed cover plate, and 1 middle part position of check valve body runs through fixedly connected with second sealing washer 6, and spring 5 is the pressure spring.

When the utility model is used, the first sealing ring 4 and the fixed platform 7 are sleeved on the valve core 3, the valve core 3 is inserted into the spring 5, then the valve core 3 is inserted into the fixed cover plate 2, one end with a first sealing ring 4 and a fixing platform 7 is inserted into the check valve body 1, then the fixing cover plate 2 is rotated to be installed and fixed, the check valve can be directly used after the fixing is finished, the check valve can also be connected with a high-low pressure reverse-channeling valve group for use, in the using process, the valve core 3 is driven to move by the extrusion force of the liquid to the valve core 3, the first sealing ring 4 is driven to move to open the one-way valve when the valve core 3 moves, the liquid is discharged through the discharge port after entering, when the pressure of liquid reduces, spring 5 can drive fixed station 7 and remove, and fixed station 7 drives case 3 and removes, and case 3 drives first sealing washer 4 and removes and seal the check valve once more.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. Check valve, including check valve body (1), its characterized in that: the center of the one-way valve body (1) is connected with a fixed cover plate (2) in a penetrating and threaded manner, and the center of the fixed cover plate (2) is connected with a control mechanism in a penetrating and sliding manner;

the control mechanism comprises a valve core (3), one end, far away from the fixed cover plate (2), of the valve core (3) penetrates through a first sealing ring (4) fixedly connected with, the middle of the valve core (3) penetrates through a fixed table (7), the fixed table (7) is close to one side of the fixed cover plate (2) and is fixedly connected with a spring (5), and one end, far away from the fixed cover plate (2), of the valve core (3) penetrates through a guide sliding connection with one side of the check valve body (1).

2. The one-way valve of claim 1, wherein: one side of the one-way valve body (1) close to the fixed cover plate (2) is provided with a plurality of mounting holes (9).

3. The one-way valve of claim 1, wherein: one end of the spring (5) far away from the fixed platform (7) is connected with the side wall of one side, close to the valve core (3), of the fixed cover plate (2).

4. The one-way valve of claim 1, wherein: the middle position of the one-way valve body (1) is fixedly connected with a second sealing ring (6) in a penetrating mode.

5. The one-way valve of claim 1, wherein: the outer wall of one-way valve body (1) near one side of first sealing ring (4) is provided with thread teeth (8).

6. The check valve of claim 1, wherein: the spring (5) is a pressure spring.

7. The one-way valve of claim 1, wherein: the first sealing ring (4) and the second sealing ring (6) are made of silica gel.