A protective device for a one-way valve

Abstract

The utility model relates to the technical field of one-way valve protection, and discloses a protection device for a one-way valve. The utility model provides a buffer device and a fixing mechanism, wherein the buffer device is used to protect the one-way valve, and the fixing mechanism is used to fix an upper tube body and a lower tube body, thereby solving a significant limitation in that there is a lack of a comprehensive device that can achieve both quick and convenient installation of the one-way valve and provide effective protection for the one-way valve itself, which potentially threatens the stability and durability of the entire system. The one-way valve is a key component for ensuring the orderly flow of fluid in a predetermined direction, and its cumbersome installation and inconvenience in subsequent maintenance often become bottlenecks restricting system optimization and upgrading. The installation of traditional one-way valves usually involves complicated assembly steps and high requirements for precision, which not only consumes a large amount of human resources and time costs, but may also cause leakage, valve body damage and other problems due to improper installation.

Description

Technical Field

[0001] The utility model belongs to the technical field of one-way valve protection, and in particular relates to a one-way valve protection device. Background Art

[0002] A one-way valve, also known as a check valve or non-return valve, is a fluid control device designed to allow fluid (such as liquid, gas or steam) to flow in only one direction and prevent it from flowing in the opposite direction. This type of valve is widely used in various fluid systems, including but not limited to hydraulic systems, pneumatic systems, water pipe systems, etc. The working principle of a one-way valve is based on the fluid pressure difference: when the fluid flows from the water inlet to the water outlet, the pressure pushes the valve core (or valve disc) away from the valve seat, thereby opening the channel and allowing the fluid to pass through. Conversely, when the fluid attempts to return from the water outlet to the water inlet, the valve core will be tightly pressed against the valve seat under the action of lower pressure or spring force on the outlet side, closing the channel and preventing the fluid from flowing back. There are many structural forms of one-way valves, including straight-through type, right-angle type, etc., and they can be installed in pipelines through threaded connections, plate connections or flange connections as needed. In practical applications, they play a variety of roles in protecting equipment, preventing medium backflow, and ensuring system safety, such as preventing damage caused by liquid backflow when the pump is closed, or preventing compressed air loss in the gas tank inflation system.

[0003] The problem with the above technology is that: currently, in the design and implementation of many fluid control systems, a significant limitation is the lack of a comprehensive device that can not only realize the quick and convenient installation of the one-way valve but also provide effective protection for the one-way valve itself. This deficiency not only affects the assembly efficiency of the system, but also potentially threatens the stability and durability of the entire system. The one-way valve is a key component to ensure the orderly flow of fluid in a predetermined direction. The cumbersome installation and inconvenience of subsequent maintenance of the one-way valve often become bottlenecks that restrict system optimization and upgrading. Specifically, the installation of traditional one-way valves usually involves complex assembly steps and high requirements for precision, which not only consumes a lot of human resources and time costs, but may also cause leakage, valve body damage and other problems due to improper installation, thereby reducing the overall efficiency of the system. In addition, the one-way valve is directly exposed to the fluid environment and is susceptible to corrosion, wear and external impact. The lack of special protection measures further exacerbates these risks, which may lead to frequent maintenance and replacement needs, increasing operating costs. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a protection device for a one-way valve which can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is implemented as follows: a protective device for a one-way valve comprises a mounting plate, an upper tube body and a lower tube body, the surface of the mounting plate is fixedly connected to the surface of the lower tube body, the surface of the upper tube body is slidably connected to the surface of the lower tube body through a slide groove, buffer devices are arranged at both ends of the upper tube body, and a fixing mechanism is arranged at the front end of the lower tube body;

[0006] The buffer device is used to protect the one-way valve;

[0007] The fixing mechanism is used to fix the upper tube body and the lower tube body.

[0008] In order to improve the adaptability and reliability under complex working conditions, preferably, the buffer device includes a clamping plate, a movable groove, a fixed rod and a spring, and movable grooves are provided at both ends of the upper tube body, the movable grooves are fixedly connected to the surfaces of the five springs, one ends of the five springs are fixedly connected to the surface of the clamping plate, the two side surfaces of the clamping plate are slidably connected to the surface of the movable groove, and the five spring surfaces are slidably connected to the surfaces of the five fixed rods. The spring is designed to generate a constant and moderate extrusion force, so that the clamping plate can firmly and evenly clamp the pipes at both ends of the one-way valve, thereby ensuring the tightness of the seal and effectively preventing the one-way valve from contacting the external environment, and not only simplifies the installation process, but also the fixing of the one-way valve can be quickly completed without complex tools. The positioning and fixation also greatly enhances the sealing reliability of the system, and can maintain stable performance even in the face of high pressure or vibration environment. The introduction of the fixing rod is used to limit the range of activity of the spring to prevent functional failure or component damage caused by excessive compression. Through this positioning mechanism, the stable output of the spring force can be ensured, which not only optimizes the ease of installation and adjustment, but also extends the overall service life of the device. The movable groove not only provides clear guidance and restriction for the movement of the clamping plate, avoiding unnecessary displacement, and ensuring the accuracy and repeatability of the installation, but also constitutes a physical barrier to the spring and the fixing rod, effectively isolating external impact and environmental erosion, protecting these core components from damage, and further consolidating the long-term stable operation capability of the entire device.

[0009] In order to improve the operating efficiency and service life of the equipment, preferably, the fixing mechanism includes an elastic block, a slot, a support plate, a block and a fixing plate, the fixing plate and the front end surface of the support plate are both provided with a slot, the interior of the support plate is fixedly connected to the surface of the elastic block, the surface of the elastic block is fixedly connected to the surface of the block, the surface of the block is slidably connected to the surface of the slot, and the device can be adjusted and rebounded by using the elastic block, and the elastic block continuously applies moderate pressure to the block through its inherent restoring force to ensure that the block maintains close contact with the slot on the surface of the fixed block, and can quickly recover to the best working state even after long-term use or slight vibration. state, which greatly improves the durability of sealing performance, reduces the frequency of manual adjustment, saves operating steps, and improves work efficiency. The card block and the card slot on the fixed plate are interlocked to form a stable locking mechanism. This design not only simplifies the installation process, but also only needs to align the card block with the card slot on the fixed plate and gently push it in to complete the fixation. In addition, while ensuring the stable position of the one-way valve, it is also convenient for rapid disassembly and repositioning during future maintenance. It has both flexibility and practicality. The special card slot on the support plate provides a guide path for the precise movement of the card block, ensuring smooth and precise installation, and avoiding problems such as poor sealing or pipeline damage caused by installation deviation.

[0010] In order to improve the service life of parts, preferably, the lower end of the fixing rod is fixedly connected to the surface of the upper tube body, and the upper end of the fixing rod is fixedly connected to the surface of the clamping plate. The fixation between the fixing rod and the upper tube body can make the fixing rod work better and limit the position of the spring, so that the spring can work better.

[0011] In order to improve the diversity of parts usage, preferably, the front side surface of the lower tube body is fixedly connected to the surface of the fixing plate, the upper side surface of the fixing plate is fixedly connected to the surface of the support plate, and a movable rod is provided on the surface of the upper tube body, and the surface of the movable rod is rotatably connected to the surface of the upper tube body through a pin shaft. By fixing the fixing plate and the support plate, the upper tube body and the lower tube body can be better fixed, and by the pin shaft connection between the movable rod and the upper tube body, the movable rod can be better moved, so that the movable rod can both operate the upper tube body and be fixed to the lower tube body.

[0012] In order to improve the flexibility of operation, preferably, the surface of the movable rod contacts the surface of the lower tube body, the surface of the blocking block contacts the surface of the movable rod, a block is provided at the front end of the blocking block, the lower surface of the block contacts the surface of the fixed plate, the upper surface of the block is rotatably connected to the surface of the blocking block by a pin shaft, and the contact between the block and the surface of the fixed plate can be achieved by setting the block to fix the blocking block and the fixed plate, and at the same time, the rotation between the block and the blocking block can control the fixation and support between the blocking block and the support plate.

[0013] In order to enable rapid positioning, preferably, the surface of the upper tube body is slidably connected to the surface of the lower tube body via a slide groove, and limit blocks are arranged on both sides of the upper tube body, and the two limit block surfaces are fixedly connected to the surface of the upper tube body, and the two limit block surfaces are in contact with the surface of the lower tube body. Through the sliding connection between the upper tube body and the lower tube body, the lower tube body can accommodate the upper tube body, thereby reducing the floor space and protecting the upper tube body. The upper tube body and the lower tube body are fixed to form a cylindrical shape, which can disperse the impact received, and the setting of the limit blocks can limit the moving position of the upper tube body, so that rapid positioning can be performed.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model is provided with a buffer device, a fixing mechanism, a clamping plate, a movable groove, a fixing rod, a spring, an elastic block, a clamping groove, a supporting plate, a clamping block and a fixing plate. The buffer device is used to protect the one-way valve, and the fixing mechanism is used to fix the upper pipe body and the lower pipe body. The spring is designed to generate a constant and appropriate extrusion force, so that the clamping plate can firmly and evenly clamp the pipes at both ends of the one-way valve, thereby ensuring the tightness of the seal and effectively preventing the one-way valve from contacting the external environment. It not only simplifies the installation process, but also can quickly complete the positioning and fixing of the one-way valve without complicated tools, and also greatly enhances the sealing reliability of the system. Even in the face of high pressure or vibration environment, it can maintain stable performance. By introducing the fixing rod, It is used to limit the range of movement of the spring to prevent functional failure or component damage caused by excessive compression. Through this positioning mechanism, the stable output of the spring force can be ensured, which not only optimizes the simplicity of installation and adjustment, but also extends the overall service life of the device. The movable groove not only provides clear guidance and restriction for the movement of the clamping plate, avoids unnecessary displacement, and ensures the accuracy and repeatability of the installation, but also constitutes a physical barrier for the spring and the fixed rod, effectively isolating external impact and environmental erosion, protecting these core components from damage, and further consolidating the long-term stable operation capability of the entire device. Through the use of elastic blocks, the device can be adjusted and rebounded. The elastic block uses its inherent restoring force to continuously apply moderate pressure to the card block. Ensure that the card block and the card slot on the surface of the fixed block maintain close contact. Even after long-term use or slight vibration, it can quickly recover to the best working state, greatly improving the durability of the sealing performance, while reducing the frequency of manual adjustment, saving operating steps, and improving work efficiency. The card block and the card slot on the fixed plate are interlocked to form a stable locking mechanism. This design not only simplifies the installation process, but also only needs to align the card block with the card slot on the fixed plate and gently push it in to complete the fixation. In addition, while ensuring the stable position of the one-way valve, it is also convenient for rapid disassembly and repositioning during future maintenance. It has both flexibility and practicality. The special card slot on the support plate provides a guide path for the precise movement of the card block, ensuring the installation process. The smooth and precise installation avoids the problems of poor sealing or pipeline damage caused by installation deviation, and solves the current significant limitation in the design and implementation of many fluid control systems, which is the lack of a comprehensive device that can not only realize the quick and convenient installation of the one-way valve but also provide effective protection for the one-way valve itself. This deficiency not only affects the assembly efficiency of the system, but also potentially threatens the stability and durability of the entire system. The one-way valve is a key component to ensure the orderly flow of fluid in a predetermined direction. The cumbersome installation and inconvenience of subsequent maintenance often become bottlenecks that restrict system optimization and upgrading. Specifically, the installation of traditional one-way valves usually involves complex assembly steps and high requirements for precision, which not only consumes a lot of human resources and time costs,Improper installation may also cause leakage, valve body damage and other problems, thereby reducing the overall efficiency of the system. In addition, the one-way valve is directly exposed to the fluid environment and is susceptible to corrosion, wear and external impact. The lack of special protection measures further exacerbates these risks and may lead to frequent maintenance and replacement needs, increasing operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main three-dimensional structure provided by an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the buffer device provided in the embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the fixing mechanism provided in the embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of the internal three-dimensional structure of the main body provided by an embodiment of the utility model.

[0020] In the figure: 1. buffer device; 101. clamping plate; 102. movable groove; 103. fixing rod; 104. spring; 2. fixing mechanism; 201. elastic block; 202. slot; 203. support plate; 204. block; 205. fixing plate; 3. movable rod; 4. stopper; 5. limit block; 6. mounting plate; 7. upper tube body; 8. lower tube body. DETAILED DESCRIPTION

[0021] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0022] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0023] like Figures 1 to 4As shown, a protective device for a one-way valve provided by an embodiment of the utility model comprises a mounting plate 6, an upper tube body 7 and a lower tube body 8. The surface of the mounting plate 6 is fixedly connected to the surface of the lower tube body 8. The surface of the upper tube body 7 is slidably connected to the surface of the lower tube body 8 through a slide groove. Buffer devices 1 are provided at both ends of the upper tube body 7. A fixing mechanism 2 is provided at the front end of the lower tube body 8. The buffer device 1 is used to protect the one-way valve. The fixing mechanism 2 is used to fix the upper tube body 7 and the lower tube body 8. The buffer device 1 comprises a clamping plate 101, a movable groove 102, a fixing rod 103 and a spring 104. Both ends of the upper tube body 7 are provided with movable grooves 102. The movable grooves 102 are fixedly connected to the surfaces of five springs 104. One end of the five springs 104 is fixedly connected to the surface of the clamping plate 101. The surfaces on both sides of the plate 101 are slidably connected to the surfaces of the movable grooves 102, and the surfaces of the five springs 104 are slidably connected to the surfaces of the five fixed rods 103. The springs 104 are designed to generate a constant and appropriate extrusion force, so that the clamping plate 101 can firmly and evenly clamp the pipes at both ends of the one-way valve, thereby ensuring the tightness of the seal and effectively preventing the one-way valve from contacting the external environment. It not only simplifies the installation process, but also can quickly complete the positioning and fixing of the one-way valve without complicated tools, and greatly enhances the sealing reliability of the system. Even in the face of high pressure or vibration environment, it can maintain stable performance. The fixed rod 103 is introduced to limit the range of movement of the spring 104 to prevent functional failure or component damage caused by excessive compression. Through this positioning mechanism, the stable output of the spring 104 force can be ensured, which not only optimizes the simplicity of installation and adjustment, but also prolongs the overall service life of the device. The movable groove 102 not only provides clear guidance and restriction for the movement of the clamping plate 101, avoiding unnecessary displacement, and ensuring the accuracy and repeatability of the installation, but also constitutes a physical barrier for the spring 104 and the fixing rod 103, effectively isolating external impact and environmental erosion, protecting these core components from damage, and further consolidating the long-term stable operation capability of the entire device. The fixing mechanism 2 includes an elastic block 201, a slot 202, a support plate 203, a block 204 and a fixing plate 205. The front end surfaces of the fixing plate 205 and the support plate 203 are provided with a slot 202. The inside of the support plate 203 is fixedly connected to the surface of the elastic block 201, the surface of the elastic block 201 is fixedly connected to the surface of the card block 204, and the surface of the card block 204 is slidably connected to the surface of the card slot 202. Through the use of the elastic block 201, the device can be adjusted and rebounded. The elastic block 201 uses its inherent restoring force to continuously apply moderate pressure to the card block 204 to ensure that the card block 204 and the card slot 202 on the surface of the fixed block are in close contact. Even after long-term use or slight vibration, it can quickly recover to the best working state, greatly improving the durability of the sealing performance, while reducing the frequency of manual adjustment, saving operating steps, and improving work efficiency. The card block 204 and the card slot 202 on the fixed plate 205 are interlocked with each other.A stable locking mechanism is formed. This design not only simplifies the installation process, but also allows the block 204 to be fixed by only aligning it with the slot 202 on the fixing plate 205 and gently pushing it in. In addition, while ensuring the stable position of the one-way valve, it is also convenient for quick disassembly and repositioning during future maintenance. It has both flexibility and practicality. The special slot 202 on the support plate 203 provides a guide path for the precise movement of the block 204, ensuring smooth and accurate installation, and avoiding problems such as poor sealing or pipeline damage caused by installation deviation. The lower end of the fixing rod 103 is fixedly connected to the surface of the upper pipe body 7, and the upper end of the fixing rod 103 is fixedly connected to the clamping plate 10 1 is fixedly connected to the surface of the upper tube body 7, and the fixing between the fixing rod 103 and the upper tube body 7 can make the fixing rod 103 work better, and limit the position of the spring 104, so that the spring 104 can work better. The front side surface of the lower tube body 8 is fixedly connected to the surface of the fixing plate 205, and the upper side surface of the fixing plate 205 is fixedly connected to the surface of the support plate 203. The surface of the upper tube body 7 is provided with a movable rod 3, and the surface of the movable rod 3 is rotatably connected to the surface of the upper tube body 7 through a pin shaft. The fixing between the fixing plate 205 and the support plate 203 can make the upper tube body 7 and the lower tube body 8 can be better fixed, and the pin between the movable rod 3 and the upper tube body 7 The axis connection can make the movable rod 3 move better, so that the movable rod 3 can operate the upper tube body 7 and can also be fixed with the lower tube body 8. The surface of the movable rod 3 contacts the surface of the lower tube body 8, and the surface of the block 204 contacts the surface of the movable rod 3. A stopper 4 is provided at the front end of the block 204. The lower surface of the stopper 4 contacts the surface of the fixed plate 205. The upper surface of the stopper 4 is rotatably connected with the surface of the block 204 through a pin shaft. By setting the stopper 4 to contact the surface of the fixed plate 205, the block 204 can be fixed with the fixed plate 205. At the same time, the rotation between the stopper 4 and the block 204 can make the block 204 and the support plate 2 03 is fixed and supported between them, the surface of the upper tube body 7 is connected to the surface of the lower tube body 8 by sliding grooves, and limit blocks 5 are set on both sides of the upper tube body 7. The surfaces of the two limit blocks 5 are fixedly connected to the surface of the upper tube body 7, and the surfaces of the two limit blocks 5 are in contact with the surface of the lower tube body 8. Through the sliding connection between the upper tube body 7 and the lower tube body 8, the lower tube body 8 can accommodate the upper tube body 7, reduce the floor space, and protect the upper tube body 7. The upper tube body 7 and the lower tube body 8 are fixed to form a cylindrical shape, which can disperse the impact received, and the setting of the limit blocks 5 can limit the moving position of the upper tube body 7, and can quickly position it. ,

[0024] The working principle of this utility model:

[0025] When in use, first, the main body of the entire device needs to be fixed to the plane surface to be used by using bolts to fix its mounting plate 6. After completing this step, the one-way valve is placed inside the lower tube body 8, and it is necessary to ensure that the two ends of the one-way valve are in close contact and fixation with the two ends of the lower tube body 8. Next, the movable rod 3 on the upper tube body 7 needs to be pulled so that the upper tube body 7 can be pulled out from the inside of the lower tube body 8 until the limit blocks 5 on both sides of the upper tube body 7 are in contact with the upper surface of the lower tube body 8. At the moment when the limit blocks 5 contact the upper surface of the lower tube body 8, the connecting rod needs to be lowered and then placed between the support plate 203 and the fixing plate 2 05. After the connecting rod is placed, it is necessary to push upward through the block 204 so that the stopper 4 at the upper end of the block 204 can contact the fixed plate 205. Once the stopper 4 contacts the fixed plate 205, the position of the connecting rod can be successfully fixed, thereby achieving the fixation between the upper tube body 7 and the lower tube body 8. Through the above-mentioned fixing operation, the purpose of effectively protecting the one-way valve can be finally achieved. This is because after the one-way valve is fixed between the upper tube body 7 and the lower tube body 8, no matter whether the upper tube body 7 or the lower tube body 8 moves, the one-way valve can maintain its original position unchanged, thereby playing a role in protecting the one-way valve.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] The above description is only a preferred embodiment of the utility model, and does not constitute any form of limitation to the utility model. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent will not depart from the scope of the technical solution of the utility model.

Claims

1. A protective device for a one-way valve, comprising a mounting plate (6), an upper tube (7) and a lower tube (8), wherein the surface of the mounting plate (6) is fixedly connected to the surface of the lower tube (8), and the surface of the upper tube (7) is slidably connected to the surface of the lower tube (8) via a slide groove, characterized in that: The two ends of the upper tube (7) are provided with buffer devices (1), and the front end of the lower tube (8) is provided with a fixing mechanism (2); The buffer device (1) is used to protect the one-way valve; The fixing mechanism (2) is used to fix the upper tube body (7) and the lower tube body (8).

2. A one-way valve protection device as claimed in claim 1, characterized in that: The buffer device (1) comprises a clamping plate (101), a movable groove (102), a fixed rod (103) and a spring (104); both ends of the upper tube body (7) are provided with a movable groove (102); the movable groove (102) is fixedly connected to the surfaces of five springs (104); one end of the five springs (104) is fixedly connected to the surface of the clamping plate (101); the surfaces of both sides of the clamping plate (101) are slidably connected to the surfaces of the movable groove (102); the surfaces of the five springs (104) are slidably connected to the surfaces of the five fixed rods (103).

3. A one-way valve protection device as claimed in claim 2, characterized in that: The fixing mechanism (2) comprises an elastic block (201), a slot (202), a support plate (203), a slot (204) and a fixing plate (205); the fixing plate (205) and the front end surfaces of the support plate (203) are both provided with a slot (202); the interior of the support plate (203) is fixedly connected to the surface of the elastic block (201); the surface of the elastic block (201) is fixedly connected to the surface of the slot (202); and the surface of the slot (204) is slidably connected to the surface of the slot (202).

4. A one-way valve protection device as claimed in claim 2, characterized in that: The lower end of the fixing rod (103) is fixedly connected to the surface of the upper tube body (7), and the upper end of the fixing rod (103) is fixedly connected to the surface of the clamping plate (101).

5. A one-way valve protection device as claimed in claim 3, characterized in that: The front surface of the lower tube body (8) is fixedly connected to the surface of the fixing plate (205), the upper surface of the fixing plate (205) is fixedly connected to the surface of the support plate (203), and the surface of the upper tube body (7) is provided with a movable rod (3), and the surface of the movable rod (3) is rotatably connected to the surface of the upper tube body (7) via a pin shaft.

6. A one-way valve protection device as claimed in claim 5, characterized in that: The surface of the movable rod (3) contacts the surface of the lower tube body (8), the surface of the clamping block (204) contacts the surface of the movable rod (3), a block (4) is provided at the front end of the clamping block (204), the lower surface of the block (4) contacts the surface of the fixed plate (205), and the upper surface of the block (4) is rotatably connected to the surface of the block (204) via a pin shaft.

7. A one-way valve protection device as claimed in claim 3, characterized in that: The surface of the upper tube body (7) is slidably connected to the surface of the lower tube body (8) via a slide groove; limiting blocks (5) are arranged on both sides of the upper tube body (7); the surfaces of the two limiting blocks (5) are fixedly connected to the surface of the upper tube body (7); and the surfaces of the two limiting blocks (5) are in contact with the surface of the lower tube body (8).

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