Waterproof device for pneumatic control valve actuating mechanism

Through the removable rainproof hat design and rainwater discharge structure of stainless steel, the problems of easy damage to the rainproof hat and rainwater drop are solved, and the normal operation of the pneumatic regulating valve and device protection are achieved.

CN223165131UActive Publication Date: 2025-07-29NINGXIA SHENRAN ZHONGYUAN NATURAL GAS CO LTD
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Patent Information

Application Number
CN202422347800.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-07-29
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

The existing pneumatic regulating valve actuator rain cap is prone to damage, fall off, and corrode, and loses its protective function, causing the valve to fail to operate normally, and the rainwater on the rain cap is prone to dripping and damage nearby devices.

Method used

The upper rainproof cap and lower rainproof cap are made of stainless steel, designed to be detachably connected, and a sink and a sink are set on the upper rainproof cap to discharge rainwater through the drain pipe to prevent rainwater from entering the actuator and avoid dripping.

Benefits of technology

Effectively protect the valve actuator from corrosion, ensure normal operation, and prevent rainwater from damaging nearby devices, improving protection effect and circulation capacity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waterproof device for a pneumatic control valve actuating mechanism, which comprises a stainless steel upper rainproof cap and a stainless steel lower rainproof cap, after installation, the actuating mechanism is positioned in the upper rainproof cap and the lower rainproof cap, and an operating handle is arranged at the upper end of the actuating mechanism, so that the actuating mechanism is convenient to operate, and further the opening and closing operation of the pneumatic control valve is realized. The upper rainproof cap and the lower rainproof cap which are made of stainless steel have the effects of corrosion resistance and pressure resistance, cannot be damaged by external force, have good flow capacity, can quickly release standby pressure in the actuating mechanism in the opening and closing process of the valve, ensure smooth action of the valve, and can ensure that the valve actuating mechanism does not have a water inflow phenomenon, so that the service life of the valve is prolonged, and the service life of the valve is prolonged. Therefore, the spring is effectively protected and is prevented from being corroded due to water inflow. Meanwhile, in the using process, water falling onto the upper rainproof cap can be collected into the water collecting tank through the cooperation of the water collecting tank and the water collecting tank and is discharged through the water discharging pipe, and the situation that rainwater on the upper rainproof cap drips onto nearby devices to damage the corresponding devices can be effectively avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic control valve applications, in particular to a water-proof device for a pneumatic control valve actuator. Background Art

[0002] In some flammable and explosive sites, pneumatic control valves are usually required. The pneumatic control valve corresponds to an actuator. During use, in order to prevent rainwater from entering the inside of the pneumatic control valve actuator and affecting the operation of the pneumatic control valve actuator, a corresponding rain-proof cap needs to be set for the pneumatic control valve actuator. However, the existing rain-proof caps are prone to breakage, detachment, and corrosion during transportation or installation, or even under long-term exposure to wind, sun, and rain, losing their original protective functions. Therefore, it is easy to cause the valve cylinder to be damp or enter water, and the spring is corroded, resulting in a reduction in stress, which causes the valve to fail to reach the set opening value, or even causes it to be unable to open or close, resulting in production accidents. Moreover, during use, the rainwater on the rain-proof cap is likely to drip onto nearby devices, damaging the corresponding devices. Summary of the Utility Model

[0003] The purpose of this application is to provide a water-proof device for a pneumatic control valve actuator to solve the problems that the existing rain-proof caps are prone to breakage, detachment, and corrosion during use, losing their original protective functions, resulting in abnormal operation of the valve, and during use, the rainwater on the rain-proof cap is likely to drip onto nearby devices, damaging the corresponding devices.

[0004] To solve the above technical problems, this application provides a water-proof device for a pneumatic control valve actuator, including:

[0005] An upper rain-proof cap and a lower rain-proof cap made of stainless steel. The actuator is located inside the upper rain-proof cap and the lower rain-proof cap, and both ends thereof extend to the outside of the upper rain-proof cap and the lower rain-proof cap. An operation handle is provided at the upper end of the actuator. The upper rain-proof cap and the lower rain-proof cap are detachably connected by buckling. A plurality of water collection grooves are provided on the upper rain-proof cap, and a water collection tank corresponding to the water collection grooves is provided at the lower edge of the upper rain-proof cap. A drain pipe is communicated with the water collection tank.

[0006] On the basis of the above embodiment, as a preferred embodiment, the upper rain-proof cap includes an upper convex part and an upper connecting part, the lower rain-proof cap includes a lower convex part and a lower connecting part, the water collection grooves are continuously arranged on the upper convex part and the upper connecting part, and the water collection tank is arranged at the lower edge of the upper connecting part.

[0007] On the basis of the above embodiment, as a preferred embodiment, the upper connecting part and the lower connecting part are detachably connected by a plurality of bolts.

[0008] Further, it should be noted that a gasket is also provided at the connection between the actuator and the upper convex portion.

[0009] In the solution, it should be elaborated in detail that both the upper rain cap and the lower rain cap are 304 stainless steel rain caps.

[0010] On the basis of the above embodiments, as a preferred embodiment, the water collecting trough and the upper connecting portion are integrally formed.

[0011] On the basis of the above embodiments, as a preferred embodiment, a paint protection layer is coated on the outer sides of both the upper rain cap and the lower rain cap.

[0012] Compared with the prior art, a water - proofing device for a pneumatic control valve actuator provided by the present utility model includes an upper rain cap and a lower rain cap made of stainless steel. After installation, the actuator is located inside the upper rain cap and the lower rain cap, and both ends of the actuator extend to the outside of the upper rain cap and the lower rain cap respectively. An operation handle is provided at the upper end of the actuator, which is convenient for operating the actuator through the operation handle during the actual operation process, so as to realize the opening and closing operation of the pneumatic control valve. The upper rain cap and the lower rain cap are detachably connected by buckling. The stainless - steel upper rain cap and lower rain cap have the functions of corrosion resistance and pressure resistance. Generally, external forces cannot damage them. At the same time, they have good flow capacity, can quickly release the back pressure in the actuator during the valve opening and closing process, ensure the smooth operation of the valve, and secondly, can ensure that there is no water ingress into the valve actuator, thus effectively protecting the spring from being corroded by water and affecting its service life. Meanwhile, a plurality of water collecting troughs are provided on the upper rain cap, a water collecting trough corresponding to the water collecting troughs is provided at the lower edge of the upper rain cap, and a drain pipe is communicated with the water collecting trough. During use, the water falling on the upper rain cap can be collected into the water collecting trough through the cooperation of the water collecting troughs and the water collecting trough, and then discharged through the drain pipe, which can effectively prevent the rainwater on the upper rain cap from dripping onto the nearby devices and damaging the corresponding devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

[0014] Figure 1 It is a schematic structural diagram of a water - proofing device for a pneumatic control valve actuator provided by an embodiment of the present application;

[0015] Figure 2 It is a schematic cross - sectional structural diagram of a water - proofing device for a pneumatic control valve actuator provided by an embodiment of the present application;

[0016] In the figure: 1. Upper rainproof cap; 2. Lower rainproof cap; 3. Actuator; 4. Operating handle; 5. Water collecting trough; 6. Water collecting tank; 7. Drain pipe; 8. Upper convex part; 9. Upper connecting part; 10. Lower convex part; 11. Lower connecting part; 12. Bolt; 13. Protective space. Specific implementation mode

[0017] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.

[0018] The core of this application is to provide a water - inlet prevention device for a pneumatic control valve actuator, which solves the problems that in the process of using the existing rainproof caps, they are prone to breakage, detachment, and corrosion, losing their original protective functions, resulting in the abnormal operation of the valve, and during the use process, the rainwater on the rainproof caps easily drips onto nearby devices, damaging the corresponding devices.

[0019] Figure 1 It is a schematic structural diagram of a water - inlet prevention device for a pneumatic control valve actuator provided by an embodiment of this application. Figure 2 It is a schematic cross - sectional structural diagram of a water - inlet prevention device for a pneumatic control valve actuator provided by an embodiment of this application. See Figures 1 to 2 as shown.

[0020] Embodiment 1

[0021] An anti-water ingress device for a pneumatic control valve actuator, comprising an upper rain cap 1 and a lower rain cap 2. Both the upper rain cap 1 and the lower rain cap 2 are made of stainless steel. After installation, the actuator 3 is located inside the upper rain cap 1 and the lower rain cap 2, and its two ends respectively extend to the outside of the upper rain cap 1 and the lower rain cap 2. The selected stainless steel upper rain cap 1 and lower rain cap 2 are corrosion-resistant, pressure-resistant and wear-resistant, which can ensure their protective functions during use and prevent rainwater from entering the actuator 3, resulting in moisture or water ingress into the valve cylinder, corrosion of the spring, and affecting the normal use of the pneumatic control valve. An operating handle 4 is provided at the upper end of the actuator 3, and the actuator 3 can be operated through the operating handle 4, thereby realizing the opening and closing operation of the pneumatic control valve. The upper rain cap 1 and the lower rain cap 2 are detachably connected by buckling. The upper rain cap 1 and the lower rain cap 2 are symmetrically structured up and down. During installation, the upper rain cap 1 and the lower rain cap 2 are buckled and preferably detachably connected by a plurality of bolts 12, which is convenient for maintenance and disassembly operations. A plurality of water collection grooves 5 are provided on the upper rain cap 1, a water collecting groove 6 corresponding to the water collection grooves 5 is provided at the lower edge of the upper rain cap 1, and a drain pipe 7 is communicated with the water collecting groove 6. During use, the rainwater falling on the upper rain cap 1 can flow into the water collecting groove 6 along each water collection groove 5 for temporary storage, and then be discharged through the drain pipe 7. The other end of the drain pipe 7 can be communicated with a water storage tank or directly arranged at the sewer, thereby realizing the collection of rainwater on the upper rain cap 1 and preventing the rainwater on the upper rain cap 1 from dripping onto nearby devices along the edge and damaging the corresponding devices.

[0022] Embodiment 2

[0023] On the basis of Embodiment 1, an anti-water ingress device for a pneumatic control valve actuator. In order to improve the protection effect and leave an operating space for the actuator 3, preferably, the upper rain cap 1 includes an upper convex portion 8 and an upper connecting portion 9, the lower rain cap 2 includes a lower convex portion 10 and a lower connecting portion 11, the water collection grooves 5 are continuously arranged on the upper convex portion 8 and the upper connecting portion 9, and the water collecting groove 6 is arranged at the lower edge of the upper connecting portion 9. The surfaces of the upper convex portion 8 and the upper connecting portion 9 are both arranged as smooth inclined surfaces, which is convenient for the rainwater on them to fall and prevent the rainwater from accumulating on the upper rain cap 1.

[0024] On the basis of Embodiment 2, an anti-water ingress device for a pneumatic control valve actuator. In order to improve the protection effect, preferably, a sealing gasket is further provided at the connection between the actuator 3 and the upper convex portion 8. The sealing gasket is not shown in the figure. By providing the sealing gasket, the rainwater falling on the upper convex portion 8 can be prevented from entering the protective space 13 inside the upper rain cap 1 and the lower rain cap 2 through the connection between the actuator 3 and the upper convex portion 8.

[0025] Based on Embodiment 1, for a water - ingress prevention device for a pneumatic control valve actuator, in order to improve the protection effect, preferably, both the upper rain - proof cap 1 and the lower rain - proof cap 2 are made of 304 stainless - steel rain - proof caps, and 304 stainless - steel has stronger corrosion resistance and pressure resistance.

[0026] Based on Embodiment 2, for a water - ingress prevention device for a pneumatic control valve actuator, in order to improve the convenience of design, preferably, the water - collecting trough 6 and the upper connecting part 9 can be set as an integrally - formed structure.

[0027] Based on any of the above embodiments, for a water - ingress prevention device for a pneumatic control valve actuator, in order to improve the anti - corrosion effect of the rain - proof caps, preferably, a paint protection layer is coated on the outer sides of both the upper rain - proof cap 1 and the lower rain - proof cap 2.

[0028] A water - ingress prevention device for a pneumatic control valve actuator provided by the present utility model includes a stainless - steel upper rain - proof cap 1 and a lower rain - proof cap 2. After installation, the actuator 3 is located inside the upper rain - proof cap 1 and the lower rain - proof cap 2, and both ends of the actuator 3 extend to the outside of the upper rain - proof cap 1 and the lower rain - proof cap 2 respectively. An operation handle 4 is provided at the upper end of the actuator 3, which is convenient for operating the actuator 3 through the operation handle 4 during the actual operation process, and then realizing the opening and closing operation of the pneumatic control valve. The upper rain - proof cap 1 and the lower rain - proof cap 2 are detachably connected by buckling. The stainless - steel upper rain - proof cap 1 and the lower rain - proof cap 2 have the functions of anti - corrosion and pressure resistance. Generally, external forces cannot damage them. At the same time, they have good flow - through ability, can quickly release the back pressure in the actuator 3 during the valve opening and closing process, ensure smooth valve operation. Secondly, they can ensure that there is no water ingress in the valve actuator, thus effectively protecting the spring and preventing it from being corroded by water and affecting its service life. At the same time, a plurality of water - collecting troughs 5 are provided on the upper rain - proof cap 1, a water - collecting trough 6 corresponding to the water - collecting troughs 5 is provided at the lower edge of the upper rain - proof cap 1, and a drain pipe 7 is communicated with the water - collecting trough 6. During use, the water falling on the upper rain - proof cap 1 can be collected into the water - collecting trough 6 through the cooperation of the water - collecting troughs 5 and the water - collecting trough 6, and then discharged through the drain pipe 7, which can effectively prevent the rainwater on the upper rain - proof cap 1 from dripping onto the nearby devices and damaging the corresponding devices.

[0029] Those skilled in the art will readily think of other embodiments of the present application after considering the specification and the practice disclosed herein. The present application is intended to cover any variations, uses, or adaptations of the present application, which follow the general principles of the present application and include the common general knowledge or conventional technical means in the technical field disclosed in the present application. The specification and the embodiments are only regarded as exemplary, and the true scope of the present application is pointed out by the claims.

[0030] It should be understood that the present application is not limited to the exact structures described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The embodiments of the present application described above do not constitute a limitation on the protection scope of the present application.

Claims

1. An anti-water ingress device for a pneumatic control valve actuator, characterized in that Including: A stainless-steel upper rain cap (1) and a lower rain cap (2), an actuator (3) is located inside the upper rain cap (1) and the lower rain cap (2), and both ends thereof extend to the outside of the upper rain cap (1) and the lower rain cap (2) respectively. An operation handle (4) is provided at the upper end of the actuator (3). The upper rain cap (1) and the lower rain cap (2) are detachably connected by buckling. A plurality of water collecting grooves (5) are provided on the upper rain cap (1). A water collecting trough (6) corresponding to the water collecting grooves (5) is provided at the lower edge of the upper rain cap (1). A drain pipe (7) is communicated with the water collecting trough (6).

2. The water ingress prevention device for the pneumatic control valve actuator according to claim 1, characterized in that, The upper rain cap (1) includes an upper convex part (8) and an upper connecting part (9). The lower rain cap (2) includes a lower convex part (10) and a lower connecting part (11). The water collecting grooves (5) are continuously arranged on the upper convex part (8) and the upper connecting part (9). The water collecting trough (6) is arranged at the lower edge of the upper connecting part (9).

3. The water-proof device for the pneumatic control valve actuator according to claim 2, wherein, The upper connecting part (9) and the lower connecting part (11) are detachably connected by a plurality of bolts (12).

4. The water ingress prevention device for the pneumatic control valve actuator according to claim 2, characterized in that, A sealing gasket is further provided at the connection between the actuator (3) and the upper convex part (8).

5. The water - ingress prevention device for the pneumatic control valve actuator according to claim 1, wherein, Both the upper rain cap (1) and the lower rain cap (2) are 304 stainless-steel rain caps.

6. The water ingress prevention device for the pneumatic control valve actuator according to claim 2, characterized in that, The water collecting trough (6) and the upper connecting part (9) are integrally formed.

7. The water-proof device for the pneumatic control valve actuator according to any one of claims 1 to 6, characterized in that, Paint protection layers are coated on the outer sides of both the upper rain cap (1) and the lower rain cap (2).