High-stability one-way valve element pressure testing device

By designing a highly stable one-way valve core pressure testing device, a motor-driven threaded rod and belt transmission system are used to simulate the valve core tilting state. A damping clamping mechanism is also adopted, which solves the problem that traditional testing devices cannot simulate valve core tilting and achieves efficient and accurate valve core performance evaluation.

CN223692025UActive Publication Date: 2025-12-19LINHAI JIAYUAN MASCH CO LTD
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Patent Information

Application Number
CN202520534892.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2025-12-19
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Traditional one-way valve core pressure testing devices cannot simulate the tilting state of the valve core in actual applications, making it difficult for test results to accurately reflect the performance of the valve core.

Method used

A highly stable one-way valve core pressure testing device was designed. The device simulates the tilting state of the valve core by using a motor-driven threaded rod and belt transmission system, and uses a damping clamping mechanism to fix valve cores of different sizes, ensuring the accuracy and reliability of the test.

Benefits of technology

It enables precise testing of valve cores under different tilt conditions, simplifies the testing process, improves testing efficiency, ensures the accuracy and reliability of test results, and can evaluate the sealing and flow characteristics of valve cores.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of valve element pressure testing, and discloses a high-stability one-way valve element pressure testing device which comprises a bottom plate, a fixing block on the upper surface of the bottom plate is connected with a supporting frame, a first motor is fixedly connected in the supporting frame, and a first threaded rod is fixedly arranged at the output end of the first motor. The outer wall of the first threaded rod is in threaded connection with a connecting block, a belt is arranged on the outer wall of the first threaded rod, and the outer wall of the first threaded rod and the outer wall of the second threaded rod are rotationally connected into the supporting frame. According to the device, the first motor drives the first threaded rod to rotate in the supporting frame, then the first threaded rod drives the second threaded rod to rotate in the supporting frame through the belt, and then the first threaded rod and the second threaded rod drive the connecting block to slide on the limiting column at the same time; under the supporting of the supporting rod, the supporting plate can be driven to rotate, and the effect of simulating the inclined state of the valve element in actual application is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a valve core pressure test technical field especially relates to a high stability check valve core pressure testing device. BACKGROUND

[0002] In fluid control systems, check valves play a crucial role as they allow fluid to flow freely in one direction while preventing fluid from flowing in the opposite direction. The performance of check valves directly impacts the stability and efficiency of the entire fluid control system. To ensure the reliability of check valves in practical applications, it is essential to conduct rigorous pressure tests. Therefore, a high-stability check valve core pressure testing device is needed.

[0003] The high-stability check valve core pressure testing device is a device that integrates high-precision sensors, stable control systems, and adjustable clamping mechanisms. Its main function is to test the pressure of check valve cores to evaluate their sealing performance, flow characteristics, and working stability under different pressure conditions. Traditional testing devices often cannot simulate the inclined state of valve cores in actual applications during the testing process. During the actual installation and use of check valves, the valve core may tilt due to factors such as installation angle and fluid pressure. If the testing device cannot simulate this inclined state, the test results will not accurately reflect the performance of the valve core in actual applications. SUMMARY

[0004] To address the above shortcomings, the utility model provides a high-stability check valve core pressure testing device to improve the problem that traditional testing devices often cannot simulate the inclined state of valve cores in actual applications during the testing process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A high-stability check valve core pressure testing device includes a base plate, a support frame fixedly connected to the upper surface of the base plate, a first motor fixedly connected to the inside of the support frame, a first threaded rod fixedly provided at the output end of the first motor, a connecting block threadedly connected to the outer wall of the first threaded rod, a belt provided on the outer wall of the first threaded rod, a second threaded rod provided on the outer wall of the belt, the outer walls of the first threaded rod and the second threaded rod being rotatably connected to the inside of the support frame, the outer wall of the second threaded rod being threadedly connected to the inside of the connecting block, a limiting column fixedly connected to the inside of the support frame, the outer wall of the connecting block being slidably connected to the outer wall of the limiting column, a support plate rotatably connected to the outer wall of the connecting block, a support rod rotatably connected to the outer wall of the support plate, the outer wall of the support rod being rotatably connected to the outer wall of the support frame, and a support assembly provided on the upper surface of the base plate for detecting the valve core.

[0007] Preferably, the support assembly comprises an L-shaped block, a lower surface of the L-shaped block is fixedly connected to the upper surface of the bottom plate, and an inner top wall of the L-shaped block is fixedly connected with the detector.

[0008] Preferably, the outer wall of the support plate is fixedly connected with a support frame.

[0009] Preferably, the inside of the support frame is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with a connecting frame.

[0010] Preferably, the inside of the connecting frame is fixedly connected with a connecting shaft, and the outer wall of the connecting shaft is rotatably connected with an L-shaped rod.

[0011] Preferably, the outer wall of the L-shaped rod is rotatably connected with a support block, and the outer wall of the support block is slidably connected in the inside of the support frame.

[0012] Preferably, the outer wall of the support block is fixedly connected with a damper.

[0013] Preferably, the outer wall of the damper is fixedly connected with a clamping block.

[0014] The utility model has the advantages of the following:

[0015] 1. In the utility model, the first threaded rod is driven to rotate in the support frame by the first motor, then the second threaded rod is driven to rotate in the support frame by the belt driven by the first threaded rod, and then the connecting block is driven to slide on the limiting column by the first threaded rod and the second threaded rod, and the support plate is driven to rotate under the support of the support rod, thereby achieving the effect of simulating the inclined state of the valve core in actual application.

[0016] 2. In the utility model, the connecting frame is driven to rotate by the second motor, then the L-shaped rod is pulled by the connecting shaft of the connecting frame, and then the support block is driven to slide in the support frame, so that the clamping block is driven to clamp and fix the valve core by the damper, thereby achieving the effect of clamping and fixing valve cores of different sizes, and ensuring the accuracy and reliability of the test results. ACCURACY

[0017] Figure 1 A perspective view of a high-stability one-way valve core pressure testing device is proposed for the utility model;

[0018] Figure 2 A support frame partial structure schematic view of a high-stability one-way valve core pressure testing device is proposed for the utility model;

[0019] Figure 3 A support plate partial structure schematic view of a high-stability one-way valve core pressure testing device is proposed for the utility model;

[0020] Figure 4 The utility model provides a high stability check valve core pressure testing device's clamping block partial structure schematic view is shown in the figure.

[0021] Legend:

[0022] 1, bottom plate; 2, support frame; 3, first motor; 4, first threaded rod; 5, connecting block; 6, belt; 7, second threaded rod; 8, limit post; 9, support plate; 10, support rod; 11, L-shaped block; 12, detector; 13, support frame; 14, second motor; 15, connecting frame; 16, connecting shaft; 17, L-shaped rod; 18, support block; 19, damping; 20, clamping block. Specific embodiments

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Reference Figure 1 - Figure 3 An embodiment provided by the utility model: a high stability check valve core pressure testing device, including bottom plate 1, the upper surface fixed block of bottom plate 1 is connected with support frame 2, the inside fixed connection of support frame 2 has first motor 3, the output end fixed setting of first motor 3 has first threaded rod 4, the outer wall screw thread connection of first threaded rod 4 has connecting block 5, the outer wall of first threaded rod 4 is provided with belt 6, the outer wall of belt 6 is provided with second threaded rod 7, the outer wall rotation connection of first threaded rod 4 and second threaded rod 7 is in the inside of support frame 2, the outer wall screw thread connection of second threaded rod 7 is in the inside of connecting block 5, the inside fixed connection of support frame 2 has limit post 8, the outer wall sliding connection of connecting block 5 is in the outer wall of limit post 8, the outer wall rotation connection of connecting block 5 has support plate 9, the outer wall rotation connection of support plate 9 has support rod 10, the outer wall rotation connection of support rod 10 is in the outer wall of support frame 2, the upper surface of bottom plate 1 is provided with support assembly, and support assembly is used to detect valve core;Support assembly includes L-shaped block 11, the lower surface fixed connection of L-shaped block 11 is in the upper surface of bottom plate 1, and the inner top wall fixed connection of L-shaped block 11 has detector 12.

[0025] Specifically, the first motor 3 drives the first threaded rod 4 to rotate in the support frame 2, the first threaded rod 4 drives the second threaded rod 7 to rotate in the support frame 2 through the belt 6, the first threaded rod 4 and the second threaded rod 7 drive the connecting block 5 to slide on the limiting column 8, the connecting block 5 drives the support plate 9 to rotate under the support of the support rod 10, and the support rod 10 assists the support plate 9 to rotate. The L-shaped block 11 supports and fixes the detector 12, and the detector 12 includes a pressure sensor and a flow sensor. The pressure sensor is used for monitoring the pressure change in the test process in real time, can convert the pressure signal into an electric signal for output, and thus realizes accurate measurement of the pressure. The flow sensor is used for measuring the flow characteristics of the one-way valve core in the test process. By monitoring the change of the flow, the sealing performance and flow control ability of the one-way valve core can be evaluated.

[0026] With reference to Figure 2 and Figure 4 , the outer wall of the support plate 9 is fixedly connected with a support frame 13; the inside of the support frame 13 is fixedly connected with a second motor 14, and the output end of the second motor 14 is fixedly connected with a connecting frame 15; the inside of the connecting frame 15 is fixedly connected with a connecting shaft 16, and the outer wall of the connecting shaft 16 is rotatably connected with an L-shaped rod 17; the outer wall of the L-shaped rod 17 is rotatably connected with a support block 18, and the outer wall of the support block 18 is slidably connected in the inside of the support frame 13.

[0027] Specifically, the support frame 13 supports and limits the second motor 14, the second motor 14 drives the connecting frame 15 to rotate, the connecting frame 15 drives the L-shaped rod 17 to rotate through the connecting shaft 16, and the L-shaped rod 17 drives the support block 18 to slide in the support frame 13.

[0028] With reference to Figure 4 , the outer wall of the support block 18 is fixedly connected with a damping 19, and the outer wall of the damping 19 is fixedly connected with a clamping block 20.

[0029] Specifically, the support block 18 drives the clamping block 20 to clamp and fix the valve core through the damping 19, the damping 19 buffers when clamping the valve core, thereby preventing damage to the valve core due to excessive pressure, and when the object is subjected to an external force, the damping 19 exerts a force opposite to the direction of the external force, and when the valve core is subjected to external impact or instantaneous overload, the damping 19 can absorb impact energy to protect the valve core from damage.

[0030] Working principle: when the device needs to be used, first, the valve core to be detected is placed on the support frame 13, then the second motor 14 is started, the connecting frame 15 is driven to rotate through the second motor 14, the connecting frame 15 pulls the L-shaped rod 17 through the connecting shaft 16, the support block 18 is driven to slide in the support frame 13 through the L-shaped rod 17, the clamping block 20 is driven to clamp and fix the valve core through the damping 19, then the first threaded rod 4 is driven to rotate in the support frame 2 through the first motor 3, the second threaded rod 7 is driven to rotate in the support frame 2 through the belt 6, the connecting block 5 is driven to slide on the limiting column 8 through the first threaded rod 4 and the second threaded rod 7, under the support of the support rod 10, the support plate 9 is driven to rotate through the connecting block 5, under the action of the detector 12, the valve core can be detected, the device not only achieves the effect of clamping and fixing valve cores of different sizes, thereby without the need to design or adjust the test device for each size of valve core, thereby greatly simplifying the test process and improving the test efficiency, but also can prevent the valve core from shaking or shifting during the test process, thereby ensuring the accuracy and reliability of the test result, and also achieves the effect of adjusting the inclination angle of the valve core on demand, thereby the actual working conditions can be simulated, the performance of the valve core can be more accurately evaluated, and the sealing performance, flow characteristics and other performance indicators of the valve core under different inclination states can be tested, thereby the best inclination angle configuration is found and the performance of the valve core is optimized.

[0031] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A high-stability one-way valve core pressure testing device, comprising a base plate (1), characterized in that: The upper surface of the bottom plate (1) is fixedly connected with a support frame (2), the inside of the support frame (2) is fixedly connected with a first motor (3), the output end of the first motor (3) is fixedly provided with a first threaded rod (4), the outer wall of the first threaded rod (4) is threadedly connected with a connecting block (5), the outer wall of the first threaded rod (4) is provided with a belt (6), the outer wall of the belt (6) is provided with a second threaded rod (7), the outer walls of the first threaded rod (4) and the second threaded rod (7) are rotatably connected in the inside of the support frame (2), the outer wall of the second threaded rod (7) is threadedly connected in the inside of the connecting block (5), the inside of the support frame (2) is fixedly connected with a limiting column (8), the outer wall of the connecting block (5) is slidably connected in the outer wall of the limiting column (8), the outer wall of the connecting block (5) is rotatably connected with a support plate (9), the outer wall of the support plate (9) is rotatably connected with a support rod (10), the outer wall of the support rod (10) is rotatably connected in the outer wall of the support frame (2), the upper surface of the bottom plate (1) is provided with a support assembly, and the support assembly is used for detecting a valve core.

2. The high-stability one-way valve core pressure testing device according to claim 1, characterized in that: The support assembly comprises an L-shaped block (11), the lower surface of the L-shaped block (11) is fixedly connected with the upper surface of the bottom plate (1), and the inner top wall of the L-shaped block (11) is fixedly connected with a detector (12).

3. The high-stability one-way valve core pressure testing device according to claim 2, characterized in that: The outer wall of the support plate (9) is fixedly connected with a support frame (13).

4. The high-stability one-way valve core pressure testing device according to claim 3, characterized in that: The inside of the support frame (13) is fixedly connected with a second motor (14), and the output end of the second motor (14) is fixedly connected with a connecting frame (15).

5. The high-stability one-way valve core pressure testing device according to claim 4, characterized in that: The inside of the connecting frame (15) is fixedly connected with a connecting shaft (16), and the outer wall of the connecting shaft (16) is rotatably connected with an L-shaped rod (17).

6. The high-stability one-way valve core pressure testing device according to claim 5, characterized in that: The outer wall of the L-shaped rod (17) is rotatably connected with a support block (18), and the outer wall of the support block (18) is slidably connected in the inside of the support frame (13).

7. The high-stability one-way valve core pressure testing device according to claim 6, characterized in that: The outer wall of the support block (18) is fixedly connected with a damper (19).

8. The high-stability one-way valve core pressure testing device according to claim 7, characterized in that: The outer wall of the damper (19) is fixedly connected with a clamping block (20).