CN216618679U

CN216618679U - Stop valve with special-shaped valve core and capable of reducing fluid pressure

Info

Publication number: CN216618679U
Application number: CN202122840055.1U
Authority: CN
Inventors: 胡木保; 王凯衡; 杨选文
Original assignee: Zhejiang Zhengpeng Valve Co ltd
Current assignee: Zhejiang Zhengpeng Valve Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-05-27
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a stop valve with a special-shaped valve core capable of reducing fluid pressure, belonging to the technical field of valves; including the valve body, the bottom lateral wall of valve body one side is equipped with the inlet tube, the lateral wall that inlet tube one side was kept away from to the valve body is equipped with the outlet pipe, inlet tube and outlet pipe are close to the equal fixedly connected with flange of one end outer wall of valve body respectively, two flanges respectively with position assorted valve body lateral wall swing joint, the top of valve body is run through and has been seted up and has been run through the mouth, the top of valve body is equipped with the main valve, the bottom fixedly connected with spliced pole of main valve, the spliced pole is connected with the meshing of running through the mouth, the lateral wall that the valve body is located the inlet tube top runs through fixedly connected with pressure release pipe, the pressure release pipe is kept away from the bottom of valve body one end and is run through swing joint with the top of position phase-match inlet tube. The beneficial effects of the utility model are: the device is simple to use, can drain the pressure of liquid in partial pipelines when controlling the liquid conveying pipeline, and avoids causing pipeline damage or potential safety hazard.

Description

Stop valve with special-shaped valve core and capable of reducing fluid pressure

Technical Field

The utility model relates to the technical field of valves, in particular to a stop valve with a special-shaped valve core capable of reducing fluid pressure.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

When liquid transports in the pipeline, if the liquid pressure in the pipeline is too big, then can lead to the liquid in the pipeline to spray, cause valve or pipeline damage simultaneously, more seriously can cause the potential safety hazard. Accordingly, those skilled in the art have provided a shut-off valve having a profiled valve element for reducing fluid pressure to solve the above-mentioned problems of the background art.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a shutoff valve having a special-shaped valve element for reducing fluid pressure, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a possesses stop valve that abnormal shape case degradable fluid pressure, includes the valve body, the bottom lateral wall of valve body one side is equipped with the inlet tube, the lateral wall that inlet tube one side was kept away from to the valve body is equipped with the outlet pipe, the equal fixedly connected with flange of one end outer wall that inlet tube and outlet pipe are close to the valve body respectively, two flange respectively with position assorted valve body lateral wall swing joint, the top of valve body is run through and has been seted up and has been run through the mouth, the top of valve body is equipped with the main valve, the bottom fixedly connected with spliced pole of main valve, the spliced pole is connected with the meshing of running through the mouth, the lateral wall that the valve body is located the inlet tube top runs through fixedly connected with pressure release pipe, swing joint is run through with the top of position phase-match inlet tube in the bottom that valve body one end was kept away from to the pressure release pipe.

As a further scheme of the utility model: the inner wall of the valve body is provided with a circulation groove, the inner wall of the circulation groove is provided with a piston, and the closing or opening action of the pipeline is completed through the piston.

As a still further scheme of the utility model: the inlet tube is close to valve body one side and runs through fixed connection with the valve body, the top lateral wall that the inlet tube is located the circulation inslot portion runs through and has seted up the circulation mouth, the inlet tube is located one side lateral wall fixedly connected with fixed block of circulation inslot inner wall, the one end that the inlet tube was kept away from to the fixed block and the inner wall fixed connection of circulation inslot, carries the liquid in the pipeline to the circulation inslot through the inlet tube, and it is spacing to advance water piping connection through the fixed block simultaneously, ensures the stability of inlet tube.

As a still further scheme of the utility model: the inlet tube is close to valve body one side and runs through fixed connection with the valve body, the top lateral wall that the inlet tube is located the inside circulation groove runs through and has seted up the circulation mouth, the inlet tube is located one side lateral wall fixedly connected with fixed block of circulation inslot wall, the one end that the inlet tube was kept away from to the fixed block and the inner wall fixed connection of circulation groove confirm the erection dimension, ensure that this device can normal use.

As a still further scheme of the utility model: an inner groove is formed in the inner wall of the connecting column, a spring is fixedly connected to the inner wall of the inner groove, and the spring is matched with the inner groove to drive the piston to move automatically.

As a still further scheme of the utility model: the top fixedly connected with activity post of piston, the top of activity post runs through swing joint with the bottom of inside groove, the bottom of spring and the top fixed connection of activity post, when activity post compression spring, drive the piston upward movement, open the pipeline, when pressure reduces, through spring automatic re-setting, drive the automatic circulation mouth of piston and carry on spacingly.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, a main installation and working space is provided through the valve body, the valve body is connected with an external input water source through the water inlet pipe, the valve body is connected with an external output pipeline through the water outlet pipe, when liquid enters the circulation groove through the water inlet pipe, the piston blocks the circulation hole, when the pipeline needs to be opened, only the main valve needs to be rotated to drive the connecting column to rotate, and then the piston is driven to move upwards through the connecting column and the movable column to stop the limiting of the circulation hole, and at the moment, the liquid enters the water outlet pipe through the circulation groove to be conveyed; carry out the pressure release through the pressure release pipe, avoid the interior liquid pressure of pipeline too big, cause the potential safety hazard. The device is simple to use, can drain the pressure of liquid in partial pipelines when controlling the liquid conveying pipeline, and avoids causing pipeline damage or potential safety hazard.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the piston opening configuration of the present invention;

fig. 3 is a schematic view of the piston closure structure of the present invention.

In the figure: 1. a valve body; 2. a water inlet pipe; 3. a connecting flange; 4. a pressure relief pipe; 5. connecting columns; 6. a main valve; 7. a water outlet pipe; 8. a through opening; 9. a circulation tank; 10. an inner tank; 11. a spring; 12. a movable post; 13. a fixed block; 14. a piston; 15. a flow port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a stop valve having a special-shaped valve element for reducing fluid pressure includes a valve body 1, a water inlet pipe 2 is disposed on a side wall of a bottom end of one side of the valve body 1, a water outlet pipe 7 is disposed on a side wall of the valve body 1 away from the water inlet pipe 2, a connecting flange 3 is fixedly connected to an outer wall of one end of each of the water inlet pipe 2 and the water outlet pipe 7, which is close to the valve body 1, respectively, the two connecting flanges 3 are movably connected to side walls of the valve body 1, which are matched in position, respectively, a through hole 8 is formed through a top portion of the valve body 1, a main valve 6 is disposed on the top portion of the valve body 1, a connecting post 5 is fixedly connected to a bottom portion of the main valve 6, the connecting post 5 is engaged with the through hole 8, a pressure relief pipe 4 is fixedly connected to a side wall of the valve body 1, which is located at the top portion of the valve body 1, which is away from the end of the valve body 1, and is movably connected to the top portion of the water inlet pipe 2, which is matched in position.

Wherein, the inner wall of the valve body 1 is provided with a circulation groove 9, the inner wall of the circulation groove 9 is provided with a piston 14, and the closing or opening action of the pipeline is completed through the piston 14; one side, close to the valve body 1, of the water inlet pipe 2 is fixedly connected with the valve body 1 in a penetrating mode, a circulation port 15 is formed in the side wall, located at the top end of the interior of the circulation groove 9, of the water inlet pipe 2 in a penetrating mode, a fixing block 13 is fixedly connected to the side wall, located at the inner wall of the circulation groove 9, of the water inlet pipe 2, one end, far away from the water inlet pipe 2, of the fixing block 13 is fixedly connected with the inner wall of the circulation groove 9, liquid in a pipeline is conveyed into the circulation groove 9 through the water inlet pipe 2, and meanwhile the water inlet pipe 2 is connected and limited through the fixing block 13, and the stability of the water inlet pipe 2 is guaranteed; the inlet tube 2 is close to 1 one side of valve body and runs through fixed connection with valve body 1, and inlet tube 2 is located the inside top lateral wall of circulation groove 9 and runs through and has seted up circulation mouth 15, and inlet tube 2 is located one side lateral wall fixedly connected with fixed block 13 of circulation groove 9 inner wall, and fixed block 13 keeps away from the one end of inlet tube 2 and the inner wall fixed connection of circulation groove 9, confirms the mounting dimension, ensures that this device can normal use.

An inner groove 10 is formed in the inner wall of the connecting column 5, a spring 11 is fixedly connected to the inner wall of the inner groove 10, and the spring 11 is matched with the inner groove 10 to drive the piston 14 to move automatically; the top fixedly connected with activity post 12 of piston 14, the top of activity post 12 and the bottom of inside groove 10 run through swing joint, the bottom of spring 11 and the top fixed connection of activity post 12, when activity post 12 compression spring 11, drive piston 14 upward movement, open the pipeline, when pressure reduces, through spring 11 automatic re-setting, drive piston 14 automatic convection current mouth 15 and carry on spacingly.

The working principle of the utility model is as follows: when the device is used for decompressing liquid in the pipeline, only the main valve 6 needs to be closed, and the water inlet pipe 2 and the water outlet pipe 7 are respectively connected with the two ends of the pipeline. After the water source is connected, liquid enters the water inlet pipe 2, the main valve 6 can be rotated at the moment, the piston 14 is driven to move through the movement of the connecting column 5, the liquid is in contact with the limit of the convection opening 15, and at the moment, the liquid can flow to the water outlet pipe 7 through the circulation groove 9 and is discharged. When the main valve 6 is closed, the pressure in the water inlet pipe 2 is too high, the piston 14 is pressed through the flow opening 15, the movable column 12 is pressed through the piston 14, the spring 11 is pressed, the piston 14 is driven to move upwards through the movable column 12, and the pressure is released by contacting with the limit of the flow opening 15, so that the liquid in the water inlet pipe 2 is discharged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a possesses check valve that abnormal shape case can reduce fluid pressure, includes valve body (1), its characterized in that: a water inlet pipe (2) is arranged on the side wall of the bottom end of one side of the valve body (1), a water outlet pipe (7) is arranged on the side wall of one side of the valve body (1) far away from the water inlet pipe (2), the outer walls of the water inlet pipe (2) and the water outlet pipe (7) which are respectively close to one end of the valve body (1) are fixedly connected with connecting flanges (3), the two connecting flanges (3) are respectively movably connected with the side walls of the valve body (1) which are matched in position, the top of the valve body (1) is provided with a through hole (8) in a penetrating way, the top of the valve body (1) is provided with a main valve (6), the bottom of the main valve (6) is fixedly connected with a connecting column (5), the connecting column (5) is meshed and connected with a through hole (8), the side wall of the valve body (1) positioned at the top of the water inlet pipe (2) is fixedly connected with a pressure relief pipe (4) in a penetrating way, the bottom of one end, far away from the valve body (1), of the pressure relief pipe (4) is movably connected with the top of the water inlet pipe (2) in a penetrating mode.

2. The shutoff valve having the shaped valve body according to claim 1, wherein the shaped valve body is configured to reduce a fluid pressure, and the shaped valve body comprises: the inner wall of the valve body (1) is provided with a circulation groove (9), and the inner wall of the circulation groove (9) is provided with a piston (14).

3. The shutoff valve having the shaped valve body according to claim 2, wherein the shaped valve body is configured to reduce a fluid pressure, and the shaped valve body comprises: the water inlet pipe (2) is close to one side of the valve body (1) and penetrates through the fixed connection with the valve body (1), the top side wall, located inside the circulation groove (9), of the water inlet pipe (2) penetrates through the circulation hole (15), the side wall, located on one side of the inner wall of the circulation groove (9), of the water inlet pipe (2) is fixedly connected with fixing blocks (13), and one end, located on the water inlet pipe (2), of each fixing block (13) is fixedly connected with the inner wall of the circulation groove (9).

4. The shutoff valve having the shaped valve body according to claim 3, wherein the shaped valve body is configured to reduce a fluid pressure, and the shaped valve body comprises: the piston (14) is matched with the position of the circulation port (15), and the outer diameter of the piston (14) is larger than the inner diameter of the circulation port (15).

5. The shutoff valve having the shaped valve body according to claim 1, wherein the shaped valve body is configured to reduce a fluid pressure, and the shaped valve body comprises: an inner groove (10) is formed in the inner wall of the connecting column (5), and a spring (11) is fixedly connected to the inner wall of the inner groove (10).

6. The shutoff valve with the shaped valve core for reducing fluid pressure according to claim 2 or 5, wherein: the top of the piston (14) is fixedly connected with a movable column (12), the top of the movable column (12) is movably connected with the bottom of the inner groove (10) in a penetrating way, and the bottom of the spring (11) is fixedly connected with the top of the movable column (12).