Pressure stabilizing control valve with double-cavity structure

Abstract

The utility model discloses a pressure stabilizing control valve with a double-cavity structure, which comprises a valve body, two sides of the valve body are fixedly connected with connecting pipes, the inside of the valve body is fixedly connected with a partition plate, the inside of the partition plate is fixedly connected with a water through ring, and the top end of the valve body is movably connected with a mounting cylinder. According to the pressure stabilizing control valve of the double-cavity structure, the positioning base is arranged, a positioning bolt is rotated to be separated from the interior of a threaded hole after being used for a long time, then a positioning disc can be pulled to detach the mounting barrel from the top end of the valve body, and then a spring in the mounting barrel can be detached to be rapidly replaced; the situation that the pressure stability is affected by fatigue due to long-time work of the spring is prevented, after completion, the mounting cylinder is inserted into the positioning base, meanwhile, the positioning disc is attached to the top end of the positioning base, the positioning bolt penetrates through the positioning disc and then is rotated into the threaded hole, and therefore the mounting cylinder is positioned through the positioning disc, and the problem that the pressure value is not stable enough after long-time work is solved.

Description

Technical Field

[0001] This utility model relates to the field of control valve technology, specifically to a dual-chamber pressure-stabilizing control valve. Background Technology

[0002] A control valve is a special type of valve used to control the flow rate of fluids. Compared with traditional flow rate control devices, it has advantages such as simple structure and stable operation. It is now widely used in water supply pipelines or special pipelines in industrial production, and can maintain a stable control effect for a long time.

[0003] However, control valves used to control fluid flow rate still have some defects in use. During use, the wear and tear of internal components can affect the pressure value of the control valve, thus affecting the control effect.

[0004] A novel dual-chamber pressure-regulating control valve is proposed to address the aforementioned problems. Utility Model Content

[0005] The purpose of this invention is to provide a dual-chamber pressure-stabilizing control valve to solve the problem of unstable pressure values ​​after long-term operation mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a dual-chamber pressure stabilizing control valve, comprising a valve body, connecting pipes fixedly connected to both sides of the valve body, a partition fixedly connected inside the valve body, a water ring fixedly connected inside the partition, an installation cylinder movably connected to the top of the valve body, a movable cylinder provided inside the valve body, and an installation structure for quick replacement of pressure components provided outside the installation cylinder;

[0007] The mounting structure includes a positioning disc, which is fixedly connected to the bottom of the mounting cylinder. A positioning seat is fixedly connected to the top of the valve body. A threaded hole is opened at the top of the positioning seat. A positioning bolt is movably connected to the top of the positioning disc.

[0008] As a further technical solution of this utility model, the positioning bolt passes through the positioning disc and extends into the interior of the threaded hole, and the positioning bolt is threadedly connected to the threaded hole.

[0009] As a further technical solution of this utility model, the center line of the positioning disk and the center line of the mounting cylinder are on the same vertical plane, and the mounting cylinder is movably connected to the positioning seat.

[0010] As a further technical solution of this utility model, an external threaded cylinder is fixedly connected to the top end of the mounting cylinder, a connecting shaft is movably connected inside the external threaded cylinder, a fixing ring is fixedly connected to the inside of the connecting shaft extending into the mounting cylinder, a spring is fixedly connected to the bottom end of the fixing ring, a fixing disc is fixedly connected to the top end of the movable cylinder, a positioning piece is fixedly connected to the top end of the connecting shaft, a threaded sleeve is movably connected to the top end of the positioning piece, and a positioning ring is fixedly connected inside the threaded sleeve.

[0011] As a further technical solution of this utility model, the connecting shaft is movably connected to the movable cylinder, and the fixed plate is movably connected to the spring.

[0012] As a further technical solution of this utility model, the threaded sleeve is threadedly connected to the external threaded cylinder, and the positioning plate is movably connected to the positioning ring.

[0013] As a further technical solution of this utility model, a limiting sleeve is fixedly connected to the top of the valve body, a reinforcing rib is fixedly connected to the outside of the limiting sleeve, a connecting plate is fixedly connected to the inside of the valve body through the limiting sleeve, and a water-blocking plug is fixedly connected to the bottom of the connecting plate.

[0014] As a further technical solution of this utility model, the reinforcing rib is fixedly connected to the valve body, and the water-blocking plug is movably connected to the water-passing ring.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the dual-chamber structure pressure stabilizing control valve not only realizes the ability to easily replace pressure components to maintain pressure value and to easily adjust pressure value to control flow rate, but also realizes the ability to improve structural strength;

[0016] (1) By providing a positioning seat, mounting cylinder, positioning bolt, positioning plate and threaded hole, after the control valve has been used for a long time, the positioning bolt can be rotated to disengage it from the inside of the threaded hole. Then the positioning plate can be pulled to remove the mounting cylinder from the top of the valve body. After that, the spring inside the mounting cylinder can be removed for quick replacement to prevent the spring from affecting the pressure stability due to fatigue after long-term work. After completion, the mounting cylinder is inserted into the positioning seat, and the positioning plate is attached to the top of the positioning seat. The positioning bolt is passed through the positioning plate and turned into the threaded hole. Thus, the mounting cylinder is positioned by the positioning plate, which makes it easy to replace the spring and maintain pressure stability.

[0017] (2) By setting up a movable cylinder, mounting cylinder, fixed ring, external threaded cylinder, threaded sleeve, connecting shaft, spring, fixed plate, water-blocking plug, connecting plate, positioning plate and positioning ring, when conveying fluid, the pressure generated by the fluid pushes the water-blocking plug to rise, thereby exporting the fluid at a specified flow rate. At the same time, the threaded sleeve can be rotated to push the connecting shaft to fall, and the connecting shaft drives the fixed ring to fall. When the fixed ring falls, it squeezes the spring to adjust the pressure value of the spring on the movable cylinder. In this way, when conveying fluid, the fluid pressure required when the water-blocking plug is lifted can be controlled by adjusting the pressure value of the spring, so as to control the fluid flow rate. This realizes that the pressure value can be easily controlled to adjust the flow rate.

[0018] (3) By setting up a movable cylinder, reinforcing ribs, water ring, limiting sleeve and partition, two valve chambers are formed inside the control valve through the partition, and a water ring is installed inside the partition. When the movable cylinder moves during fluid transportation, the limiting sleeve inside the valve body fits against the outside of the movable cylinder to limit the movable cylinder and ensure the stability of the movable cylinder during movement. In addition, the reinforcing ribs outside the limiting sleeve support the limiting sleeve to improve the stability of the pressure structure during movement, thereby improving the stability of the internal structure. Attached Figure Description

[0019] Figure 1 This is a front view cross-sectional structural diagram of the present invention;

[0020] Figure 2 This is a top view cross-sectional structural diagram of the positioning seat of this utility model;

[0021] Figure 3 This is an enlarged front cross-sectional view of the threaded sleeve of this utility model;

[0022] Figure 4 This is a top view of the positioning disc structure of this utility model.

[0023] In the diagram: 1. Valve body; 2. Positioning seat; 3. Movable cylinder; 4. Mounting cylinder; 5. Fixing ring; 6. External threaded cylinder; 7. Threaded sleeve; 8. Connecting shaft; 9. Spring; 10. Fixing disc; 11. Positioning bolt; 12. Positioning disc; 13. Connecting pipe; 14. Reinforcing rib; 15. Water passage ring; 16. Water blocking plug; 17. Connecting plate; 18. Limiting sleeve; 19. Partition plate; 20. Threaded hole; 21. Positioning plate; 22. Positioning ring. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example: Please refer to Figure 1-4 A dual-chamber pressure stabilizing control valve includes a valve body 1, with connecting pipes 13 fixedly connected to both sides of the valve body 1, a partition 19 fixedly connected inside the valve body 1, a water ring 15 fixedly connected inside the partition 19, an installation cylinder 4 movably connected to the top of the valve body 1, a movable cylinder 3 provided inside the valve body 1, and an installation structure for quick replacement of pressure components provided outside the installation cylinder 4.

[0026] The mounting structure includes a positioning disc 12, a positioning disc 12 is fixedly connected to the bottom of the mounting cylinder 4, a positioning seat 2 is fixedly connected to the top of the valve body 1, a threaded hole 20 is opened at the top of the positioning seat 2, and a positioning bolt 11 is movably connected to the top of the positioning disc 12.

[0027] The positioning bolt 11 passes through the positioning disc 12 and extends into the interior of the threaded hole 20, and the positioning bolt 11 is threadedly connected to the threaded hole 20.

[0028] The centerline of the positioning plate 12 and the centerline of the mounting cylinder 4 are on the same vertical plane, and the mounting cylinder 4 is movably connected to the positioning seat 2;

[0029] Specifically, such as Figure 1 , Figure 2 and Figure 4 As shown, after prolonged use, the positioning bolt 11 can be rotated to disengage it from the threaded hole 20. Then, the positioning plate 12 can be pulled to remove the mounting cylinder 4 from the top of the valve body 1. The spring 9 inside the mounting cylinder 4 can then be removed for quick replacement, preventing the spring 9 from affecting pressure stability due to fatigue after prolonged operation. After completion, the mounting cylinder 4 is inserted into the positioning seat 2, with the positioning plate 12 fitting against the top of the positioning seat 2. The positioning bolt 11 is then passed through the positioning plate 12 and turned into the threaded hole 20, thereby positioning the mounting cylinder 4 through the positioning plate 12. This allows for convenient replacement of the spring 9 while maintaining stable pressure.

[0030] The top of the mounting cylinder 4 is fixedly connected to an external threaded cylinder 6. The internal part of the external threaded cylinder 6 is movably connected to a connecting shaft 8. The connecting shaft 8 extends to the internal part of the mounting cylinder 4 and is fixedly connected to a fixing ring 5. The bottom end of the fixing ring 5 is fixedly connected to a spring 9. The top of the movable cylinder 3 is fixedly connected to a fixing plate 10. The top of the connecting shaft 8 is fixedly connected to a positioning plate 21. The top of the positioning plate 21 is movably connected to a threaded sleeve 7. The internal part of the threaded sleeve 7 is fixedly connected to a positioning ring 22.

[0031] The connecting shaft 8 is movably connected to the movable cylinder 3, and the fixed plate 10 is movably connected to the spring 9;

[0032] The threaded sleeve 7 is threadedly connected to the external threaded sleeve 6, and the positioning plate 21 is movably connected to the positioning ring 22;

[0033] Specifically, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, when conveying fluid, the pressure generated by the fluid pushes the water-blocking plug 16 upward, thereby discharging the fluid at a specified flow rate. At the same time, the threaded sleeve 7 can be rotated to push the connecting shaft 8 downward. The connecting shaft 8 drives the fixed ring 5 downward. As the fixed ring 5 descends, it squeezes the spring 9 to adjust the pressure value of the spring 9 on the movable cylinder 3. In this way, when conveying fluid, the fluid pressure required for the water-blocking plug 16 to be lifted can be controlled by adjusting the pressure value of the spring 9, thereby controlling the fluid flow rate. This allows for convenient control of the pressure value to adjust the flow rate.

[0034] A limiting sleeve 18 is fixedly connected to the top of the valve body 1. A reinforcing rib 14 is fixedly connected to the outside of the limiting sleeve 18. A connecting plate 17 is fixedly connected to the inside of the valve body 1 through the limiting sleeve 18 and extending to the inside of the valve body 1. A water-blocking plug 16 is fixedly connected to the bottom of the connecting plate 17.

[0035] The reinforcing rib 14 is fixedly connected to the valve body 1, and the water-blocking plug 16 is movably connected to the water-passing ring 15.

[0036] Specifically, such as Figure 1 As shown, two valve chambers are formed inside the control valve by a partition 19, and a water ring 15 is installed inside the partition 19. When the fluid is conveyed, the movable cylinder 3 moves while the valve body 1's internal limiting sleeve 18 fits against the outside of the movable cylinder 3 to limit the movement of the movable cylinder 3, ensuring the stability of the movable cylinder 3 during movement. Furthermore, the reinforcing rib 14 on the outside of the limiting sleeve 18 supports the limiting sleeve 18 to improve the stability of the pressure structure during movement, thus improving the stability of the internal structure.

[0037] Working Principle: In use, this invention forms two valve chambers inside the control valve via a partition 19. A water-passing ring 15 is installed inside the partition 19. When fluid is being transported, the movable cylinder 3 moves while the limiting sleeve 18 inside the valve body 1 fits against the outside of the movable cylinder 3, limiting its movement and ensuring stability. The reinforcing rib 14 on the outside of the limiting sleeve 18 supports it, further improving the stability of the pressure structure. During fluid transport, the pressure generated by the fluid pushes the water-blocking plug 16 upwards, thus discharging the fluid at a specified flow rate. Simultaneously, the rotating threaded sleeve 7 pushes the connecting shaft 8 downwards. The connecting shaft 8 drives the fixed ring 5 downwards, and as the fixed ring 5 descends, it compresses the spring 9 to adjust the flow. The pressure value of spring 9 on movable cylinder 3 can be adjusted to control the fluid pressure required for the water-blocking plug 16 to be lifted when conveying fluid, thereby controlling the fluid flow rate. After long-term use, the positioning bolt 11 can be rotated to disengage it from the threaded hole 20. Then, the positioning plate 12 can be pulled to remove the mounting cylinder 4 from the top of the valve body 1. After that, the spring 9 inside the mounting cylinder 4 can be removed for quick replacement to prevent the spring 9 from affecting pressure stability due to fatigue after long-term operation. After completion, the mounting cylinder 4 is inserted into the positioning seat 2, and the positioning plate 12 is attached to the top of the positioning seat 2. The positioning bolt 11 is passed through the positioning plate 12 and turned into the threaded hole 20, thereby positioning the mounting cylinder 4 through the positioning plate 12.

Claims

1. A dual chamber pressure control valve comprising a valve body (1), characterized in that: Both sides of the valve body (1) are fixedly connected with connecting pipes (13), the inside of the valve body (1) is fixedly connected with a partition plate (19), the inside of the partition plate (19) is fixedly connected with a water passing ring (15), the top end of the valve body (1) is movably connected with a mounting cylinder (4), the inside of the valve body (1) is provided with a movable cylinder (3), the outside of the mounting cylinder (4) is provided with a mounting structure for quickly replacing pressure parts; The mounting structure comprises a positioning disc (12), the bottom end of the outside of the mounting cylinder (4) is fixedly connected with a positioning disc (12), the top end of the valve body (1) is fixedly connected with a positioning seat (2), the top end of the positioning seat (2) is provided with a threaded hole (20), the top end of the positioning disc (12) is movably connected with a positioning bolt (11), the top end of the mounting cylinder (4) is fixedly connected with an external thread cylinder (6), the inside of the external thread cylinder (6) is movably connected with a connecting shaft (8), the connecting shaft (8) extending into the inside of the mounting cylinder (4) is fixedly connected with a fixed ring (5), the bottom end of the fixed ring (5) is fixedly connected with a spring (9), the top end of the movable cylinder (3) is fixedly connected with a fixed disc (10), the top end of the connecting shaft (8) is fixedly connected with a positioning sheet (21), the top end of the positioning sheet (21) is movably connected with a threaded sleeve (7), the inside of the threaded sleeve (7) is fixedly connected with a positioning ring (22).

2. The dual chamber pressure control valve of claim 1, wherein: The positioning bolt (11) penetrates through the positioning disc (12) and extends into the inside of the threaded hole (20), and the positioning bolt (11) is in threaded connection with the threaded hole (20).

3. The dual chamber pressure control valve of claim 1, wherein: The center line of the positioning disc (12) and the center line of the mounting cylinder (4) are on the same vertical plane, and the mounting cylinder (4) is movably connected with the positioning seat (2).

4. The dual chamber pressure control valve of claim 1, wherein: The connecting shaft (8) is movably connected with the movable cylinder (3), and the fixed disc (10) is movably connected with the spring (9).

5. The dual chamber pressure control valve of claim 1, wherein: The threaded sleeve (7) is in threaded connection with the external thread cylinder (6), and the positioning sheet (21) is movably connected with the positioning ring (22).

6. The dual chamber pressure control valve of claim 1, wherein: The top end of the inside of the valve body (1) is fixedly connected with a limiting sleeve (18), the outside of the limiting sleeve (18) is fixedly connected with a reinforcing rib (14), the movable cylinder (3) penetrates through the limiting sleeve (18) and extends into the inside of the valve body (1) and is fixedly connected with a connecting plate (17), and the bottom end of the connecting plate (17) is fixedly connected with a water blocking plug (16).

7. The dual chamber pressure control valve of claim 6, wherein: The reinforcing rib (14) is fixedly connected with the valve body (1), and the water blocking plug (16) is movably connected with the water passing ring (15).

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