Pressure reducing and decelerating valve

Abstract

The utility model discloses a kind of pressure reducing deceleration valves, it is related to fluid control field.A kind of pressure reducing deceleration valve, including valve body, further include: setting on the pressure regulating mechanism of valve body, the inside of valve body is provided with flow rate regulating mechanism, pressure regulating mechanism includes connecting frame, handle and connecting block are rotatably connected on connecting frame, the top of handle corresponds with one end of connecting block;Connecting block is inserted with pressure rod, pressure rod penetrates the inside of valve body, adjusting screw rod is threadedly connected on pressure rod, adjusting spring is fixedly connected on pressure rod;The utility model drives pressure rod by handle, connecting block linkage, the screw fine adjustment of collocation adjusting screw rod, can accurately control the pressure intervention depth of pressure rod to fluid, adjusting spring auxiliary maintains pressure stability, can be according to system requirement (such as different working condition pressure standard), fine adjustment fluid pressure, avoid pressure fluctuation influence downstream equipment, improve pressure control precision and system stability.

Description

Technical Field

[0001] This utility model belongs to the field of fluid control technology, specifically, it relates to a pressure reducing and decelerating valve. Background Technology

[0002] Traditional pressure-reducing valves have significant drawbacks in fluid transport and control systems. In terms of pressure regulation, they lack precision and exhibit slow response, failing to meet the demands of precision fluid systems and easily causing pipeline shocks. For flow rate control, they are mostly passively adjusted, unable to adapt to flow fluctuations in real time, resulting in low efficiency with manual operation and high costs and failure risks with electric or pneumatic methods. Furthermore, the pressure and flow rate regulation mechanisms of traditional valves are independent, making integration difficult, and their mechanical structures are prone to wear, leading to high maintenance costs and short lifespans. With the development of industrial automation and precision manufacturing, fluid systems are placing increasingly higher demands on the precision, response speed, and adaptability of pressure-reducing valves, urgently requiring more intelligent, efficient, and reliable new valves to meet industry needs. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a pressure reducing deceleration valve that can overcome or at least partially solve the above problems.

[0004] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows: a pressure reducing and decelerating valve, including a valve body, and further including: a pressure regulating mechanism disposed on the valve body, a flow rate regulating mechanism disposed inside the valve body, the pressure regulating mechanism including a connecting frame, a handle and a connecting block rotatably connected to the connecting frame, one end of the connecting block corresponding to the top of the handle; a pressure rod inserted into the connecting block, the pressure rod penetrating the interior of the valve body, an adjusting screw threadedly connected to the pressure rod, and an adjusting spring fixedly connected to the pressure rod.

[0005] Furthermore, the valve body has a fluid inlet and a fluid outlet, with the fluid outlet located above the fluid inlet.

[0006] Furthermore, the flow rate adjustment mechanism includes a flow rate seat, which is slidably connected to the inner wall of the flow rate seat, and the center of the flow rate seat is hollow.

[0007] Furthermore, the flow velocity seat is threadedly connected to an adjustment seat, which has an outlet corresponding to the fluid inlet and the fluid outlet.

[0008] Furthermore, a flow rate regulating block is slidably connected to the regulating seat, a pressure spring is fixedly connected to the flow rate regulating block, and an adjusting threaded block is fixedly connected to the pressure spring.

[0009] Furthermore, the adjusting threaded block is threaded onto the inner wall of the valve body.

[0010] Furthermore, after the fluid enters from the fluid inlet of the valve body, it first flows into the flow rate regulating mechanism. The basic passage is constructed with the help of the hollow channel of the flow rate seat and the outlet of the regulating seat. Then, through the dynamic cooperation of the flow rate regulating block, pressure spring, and regulating screw block, the effective flow area of ​​the outlet is adjusted in real time according to the fluid's own pressure or manual intervention, and the flow rate is initially decelerated and regulated. After the flow rate is regulated, the fluid enters the working area of ​​the pressure regulating mechanism. The pressure rod is linked by the handle and connecting block, and cooperates with the regulating screw and regulating spring to change the pressure on the fluid, further reducing the pressure. Finally, the fluid that has undergone pressure reduction and deceleration treatment flows out from the fluid outlet, completing the entire pressure reduction and deceleration operation process and achieving precise control of fluid parameters.

[0011] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art:

[0012] 1. This utility model uses a handle and connecting block to drive the pressure rod in a linkage manner. With the fine adjustment of the screw thread, it can accurately control the pressure intervention depth of the pressure rod on the fluid. The adjusting spring helps to maintain pressure stability. According to system requirements (such as pressure standards under different working conditions), the fluid pressure can be finely adjusted to avoid pressure fluctuations affecting downstream equipment and improve the pressure control accuracy and system stability.

[0013] 2. Adjust the elastic feedback of the spring so that the pressure rod can adaptively adjust with small changes in fluid pressure. When the fluid pressure is slightly disturbed by load or flow fluctuations, the spring force responds quickly, balances the pressure rod's effect, maintains stable pressure inside the valve, and enhances the system's ability to resist interference under complex working conditions.

[0014] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0015] In the attached diagram:

[0016] Figure 1 This is a schematic diagram of the overall structure of a pressure-reducing deceleration valve proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of the regulating seat and outlet in a pressure-reducing deceleration valve proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the pressure regulating mechanism and flow rate regulating mechanism in a pressure reducing and decelerating valve proposed in this utility model.

[0019] Figure 4 This is a schematic diagram of the flow rate regulating mechanism in a pressure reducing deceleration valve proposed in this utility model;

[0020] Figure 5This is a cross-sectional structural diagram of the pressure regulating mechanism and the flow rate regulating mechanism in a pressure reducing deceleration valve proposed in this utility model.

[0021] In the diagram: 1. Valve body; 11. Fluid inlet; 12. Fluid outlet; 2. Pressure regulating mechanism; 21. Connecting frame; 22. Handle; 23. Connecting block; 24. Pressure rod; 25. Adjusting screw; 26. Adjusting spring; 3. Flow rate regulating mechanism; 31. Flow rate seat; 32. Adjusting seat; 33. Outlet; 34. Flow rate regulating block; 35. Pressure spring; 36. Adjusting threaded block. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0023] Example: Refer to Figures 1-5 A pressure reducing and deceleration valve includes a valve body 1 and a pressure regulating mechanism 2 disposed on the valve body 1. A flow rate regulating mechanism 3 is disposed inside the valve body 1. The pressure regulating mechanism 2 includes a connecting frame 21. A handle 22 and a connecting block 23 are rotatably connected to the connecting frame 21. One end of the connecting block 23 corresponds to the top of the handle 22. A pressure rod 24 is inserted into the connecting block 23. The pressure rod 24 penetrates the interior of the valve body 1. An adjusting screw 25 is threaded onto the pressure rod 24. An adjusting spring 26 is fixedly connected to the pressure rod 24.

[0024] The valve body 1 has a fluid inlet 11 and a fluid outlet 12, with the fluid outlet 12 located above the fluid inlet 11.

[0025] The flow rate adjustment mechanism 3 includes a flow rate seat 31, which is slidably connected to the inner wall of the flow rate seat 31, and the center of the flow rate seat 31 is hollow.

[0026] An adjusting seat 32 is threaded onto the flow velocity seat 31. The adjusting seat 32 has an outlet 33, which corresponds to the fluid inlet 11 and the fluid outlet 12.

[0027] A flow rate regulating block 34 is slidably connected to the regulating seat 32, a pressure spring 35 is fixedly connected to the flow rate regulating block 34, and an adjusting threaded block 36 is fixedly connected to the pressure spring 35.

[0028] The adjusting threaded block 36 is threaded onto the inner wall of the valve body 1.

[0029] After the fluid enters through the fluid inlet 11 of the valve body 1, it first flows into the flow rate regulating mechanism 3. The basic passage is constructed with the help of the hollow channel of the flow rate seat 31 and the outlet 33 of the regulating seat 32. Then, through the dynamic cooperation of the flow rate regulating block 34, the pressure spring 35, and the adjusting screw block 36, the effective flow area of ​​the outlet 33 is adjusted in real time according to the fluid's own pressure or manual intervention, and the flow rate is initially decelerated and regulated. After the flow rate is regulated, the fluid enters the working area of ​​the pressure regulating mechanism 2. The pressure rod 24 is linked by the handle 22 and the connecting block 23, and cooperates with the adjusting screw 25 and the adjusting spring 26 to change the pressure on the fluid, further reducing the pressure. Finally, the fluid that has been depressurized and decelerated flows out from the fluid outlet 12, completing the entire depressurization and deceleration operation process and achieving precise control of fluid parameters.

[0030] When the handle 22 is operated, it is rotatably connected to the connecting frame 21, and the connecting block 23 is also hinged to the connecting frame 21. The movement of the handle 22 will drive the connecting block 23 to move axially within the valve body 1. The adjusting screw 25 is threadedly connected to the pressure rod 24. By rotating the adjusting screw 25, the depth of the pressure rod 24 inside the valve body 1 can be finely adjusted by means of thread transmission, thereby changing the pressure position and intensity of the pressure rod 24 on the fluid inside the valve body 1. The adjusting spring 26 is sleeved or connected to the pressure rod 24. When the position of the pressure rod 24 changes, the spring is compressed or extended, using elastic force to help maintain the pressure intervention state of the pressure rod 24 on the fluid. It can also help the pressure rod 24 to reset or maintain a stable pressure regulation effect after the external operating force disappears. Through the linkage of the above-mentioned mechanical components, the fine adjustment of the thread, and the elastic cooperation of the spring, the dynamic control of the fluid pressure inside the valve body 1 can be achieved, meeting the pressure reduction requirements under different working conditions.

[0031] The flow velocity seat 31, serving as the basic carrier, is slidably connected within the adapter structure of the valve body 1. Its central hollow design provides basic space for fluid passage. The adjusting seat 32 is threadedly connected to the flow velocity seat 31. Rotating the adjusting seat 32 allows for fine adjustment of its axial position on the flow velocity seat 31. The outlet 33 on the adjusting seat 32 corresponds to the fluid inlet 11 and fluid outlet 12 of the valve body 1, forming a crucial fluid transmission path. The flow velocity adjusting block 34 is slidably mounted within the adjusting seat 32, dynamically changing the area of ​​obstruction to the outlet 33. One end of the pressure spring 35 is connected to the flow velocity adjusting block 34, and the other end is connected to the adjusting threaded block 36. The adjusting threaded block 36 is threadedly connected to the inner wall of the valve body 1. Rotating the adjusting threaded block 36 can change the preload of the pressure spring 35. When the fluid flows through, the flow rate regulating block 34 is dynamically balanced and adjusted by the fluid thrust and the spring force. When the fluid velocity is high and the pressure is high, the thrust overcomes the spring force, and the flow rate regulating block 34 moves to reduce the flow area of ​​the outlet 33 and limit the flow velocity. When the flow velocity is low, the spring force pushes the regulating block to reset and increase the flow area. The regulating seat 32 and the adjusting threaded block 36 can also be manually rotated to actively intervene in the flow area of ​​the outlet 33 and the spring preload, accurately control the flow velocity, and achieve the purpose of deceleration.

[0032] After the fluid enters through the fluid inlet 11 of the valve body 1, it first flows into the flow rate regulating mechanism 3. The basic passage is constructed with the help of the hollow channel of the flow rate seat 31 and the outlet 33 of the regulating seat 32. Then, through the dynamic cooperation of the flow rate regulating block 34, the pressure spring 35, and the adjusting screw block 36, the effective flow area of ​​the outlet 33 is adjusted in real time according to the fluid's own pressure or manual intervention, and the flow rate is initially decelerated and regulated. After the flow rate is regulated, the fluid enters the working area of ​​the pressure regulating mechanism 2. The pressure rod 24 is linked by the handle 22 and the connecting block 23, and cooperates with the adjusting screw 25 and the adjusting spring 26 to change the pressure on the fluid, further reducing the pressure. Finally, the fluid that has been depressurized and decelerated flows out from the fluid outlet 12, completing the entire depressurization and deceleration operation process and achieving precise control of fluid parameters.

[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A pressure-reducing deceleration valve, comprising a valve body (1), characterized in that, Also includes: A pressure regulating mechanism (2) is provided on the valve body (1). A flow rate regulating mechanism (3) is provided inside the valve body (1). The pressure regulating mechanism (2) includes a connecting frame (21). A handle (22) and a connecting block (23) are rotatably connected on the connecting frame (21). One end of the connecting block (23) corresponds to the top of the handle (22). A pressure rod (24) is inserted into the connecting block (23). The pressure rod (24) passes through the interior of the valve body (1). An adjusting screw (25) is threaded onto the pressure rod (24). An adjusting spring (26) is fixedly connected to the pressure rod (24).

2. The pressure-reducing and decelerating valve according to claim 1, characterized in that, The valve body (1) is provided with a fluid inlet (11) and a fluid outlet (12), and the fluid outlet (12) is located above the fluid inlet (11).

3. The pressure-reducing and decelerating valve according to claim 1, characterized in that, The flow rate adjustment mechanism (3) includes a flow rate seat (31), which is slidably connected to the inner wall of the flow rate seat (31), and the center of the flow rate seat (31) is hollow.

4. A pressure-reducing and decelerating valve according to claim 3, characterized in that, The flow velocity seat (31) is threadedly connected to an adjustment seat (32), and the adjustment seat (32) is provided with a water outlet (33), which corresponds to the fluid inlet (11) and the fluid outlet (12).

5. A pressure-reducing and decelerating valve according to claim 4, characterized in that, A flow rate regulating block (34) is slidably connected to the regulating seat (32), a pressure spring (35) is fixedly connected to the flow rate regulating block (34), and an adjusting threaded block (36) is fixedly connected to the pressure spring (35).

6. A pressure-reducing and decelerating valve according to claim 5, characterized in that, The adjusting threaded block (36) is threaded onto the inner wall of the valve body (1).

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