Quality detection device for hydraulic valve production

By designing a hydraulic valve production testing device with a detachable positioning, clamping, and sealing structure, the problems of poor adaptability and low efficiency of traditional testing devices have been solved, achieving efficient and accurate hydraulic valve quality testing.

CN223883148UActive Publication Date: 2026-02-06ANHUI SHI FENG OIL PRESSURE TECH CO LTD
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Patent Information

Application Number
CN202520641508.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-02-06
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

Traditional hydraulic valve production and testing equipment has poor adaptability, requires frequent replacement of fixtures and sealing components, and manual operation leads to low testing efficiency and data distortion.

Method used

A quality inspection device is designed, comprising a worktable, a lifting assembly, a positioning part, a clamping part, first and second sealing parts, and an airtightness testing part. Through the lifting seat and the detachable positioning, clamping, and sealing structure, it can achieve efficient positioning and sealing of hydraulic valves of different specifications.

Benefits of technology

It improves the convenience and applicability of testing, reduces testing errors, and ensures the accuracy and efficiency of testing data.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223883148U_ABST
Patent Text Reader

Abstract

The utility model provides a quality detection device for hydraulic valve production, which comprises a workbench and a lifting assembly, the workbench is provided with a test pool and a control console, two sides of the test pool are fixedly connected with extension plates, the extension plates are used for installing the lifting assembly, the lifting assembly comprises a driving part, and the driving part is connected with the control console. The tail end of the driving part is fixedly connected with a lifting seat, the lifting seat is in sliding connection with the two sides of the testing pool to keep stable, a water permeable hole is formed in the lifting seat, and a water inlet pipe and a water outlet pipe are arranged on the side face of the testing pool. According to the quality detection device for hydraulic valve production provided by the utility model, the positioning part in the middle of the lifting seat, the clamping parts on the two sides, the first sealing part and the second sealing part can be detached and replaced in a relatively convenient manner, so that the quality detection device has relatively good positioning, fixing and sealing effects on hydraulic valves of various specifications; the detection error in the test process is reduced, the use convenience is improved, and the application range of the device is widened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic valve production technical field especially relates to a quality detection device for hydraulic valve production. BACKGROUND

[0002] Hydraulic valve is a kind of automation element operated by pressure oil, and quality detection is needed after hydraulic valve production, wherein, the detection of hydraulic valve quality is mainly to detect the air tightness of hydraulic valve.

[0003] Traditional detection device usually adopts fixed structure, and the adaptability to different specifications of hydraulic valve is poor, and the clamps and sealing components need to be frequently replaced, resulting in low detection efficiency and complicated operation;Air tightness test process often relies on manual operation to complete underwater sealing and pressure detection, and there are problems such as poor sealing and positioning deviation, which can easily cause detection data distortion.

[0004] Therefore, it is necessary to provide a quality detection device for hydraulic valve production to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model provides a quality detection device for hydraulic valve production, which solves the problem of low detection efficiency and complicated operation caused by frequent replacement of clamps and sealing components and manual operation test of traditional detection device.

[0006] To solve the above technical problems, the utility model provides a quality detection device for hydraulic valve production, which comprises: a workbench and a lifting assembly, a test pool and a control console are arranged on the workbench, extension plates are fixedly connected on both sides of the test pool, and the extension plates are used for mounting the lifting assembly, the lifting assembly comprises a driving part, the end of the driving part is fixedly connected with a lifting seat, the lifting seat is slidably connected with both sides of the test pool to keep stable, a water permeable hole is formed in the lifting seat, a water inlet pipe and a water outlet pipe are arranged on the side of the test pool, control valves are arranged on the water inlet pipe and the water outlet pipe to control the inlet and outlet of water flow, a positioning part is arranged in the middle of the lifting seat for placing the hydraulic valve to be tested, a clamping part, a first sealing part and a second sealing part are arranged on the outside of the lifting seat, and an air tightness detection part is arranged on the side of the test pool away from the water inlet pipe and the water outlet pipe.

[0007] Preferably, the positioning part comprises a first base, the first base is fixedly connected with the lifting seat, a sleeve rod is arranged in the middle of the first base, and the bottom of the sleeve rod is detachably connected with a limiting block for placing and positioning the bottom of the hydraulic valve to be tested.

[0008] Preferably, the clamping part comprises a second base and a fixing member, the first pushing member is fixedly connected to the second base, a fixing plate is arranged at the output end of the first pushing member, and the output end of the first pushing member is fixedly connected with the fixing plate through the fixing member, and the fixing plate is provided with a clamping block corresponding to the side surface of the hydraulic valve to be tested.

[0009] Preferably, the first sealing part comprises a third base and a first sealing member, the second pushing member is fixedly connected to the third base, and the first sealing member is provided with a first mounting portion which is detachably connected with the second pushing member.

[0010] Preferably, the second sealing part comprises a fourth base and a second sealing member, the third pushing member is fixedly connected to the fourth base, the second sealing member is provided with a second mounting portion which is detachably connected with the third pushing member, and a through air flow inlet hole is arranged in the middle of the second sealing member and connected with the air tightness detection part.

[0011] Preferably, the air tightness detection part comprises a gas cylinder, the gas cylinder is provided with a connecting hose, the connecting hose is provided with a gas valve, and the connecting hose is connected with the air flow inlet hole and the connection is sealed.

[0012] Compared with the related art, the quality detection device for hydraulic valve production has the following beneficial effects:

[0013] The quality detection device for hydraulic valve production has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The structure diagram of a preferred embodiment of the quality detection device for hydraulic valve production is provided.

[0015] Figure 2 The structure diagram of the positioning part and the clamping part in the utility model is provided.

[0016] Figure 3 The structure diagram of the first sealing part, the second sealing part and the air tightness detection part in the utility model is provided.

[0017] The figure label: 1, workbench, 2, test pool, 3, control console, 4, extension plate, 5, lifting assembly, 51, driving piece, 52, lifting seat, 53, water hole, 6, water inlet pipe, 7, water outlet pipe, 8, control valve, 9, positioning part, 91, first base, 92, sleeve rod, 93, limiting block, 10, clamping part, 101, second base, 102, first pusher, 103, fixed plate, 104, clamping block, 105, fixing piece, 11, first sealing part, 111, third base, 112, second pusher, 113, first sealing piece, 114, first mounting part, 12, second sealing part, 121, fourth base, 122, third pusher, 123, second sealing piece, 124, second mounting part, 125, air flow inlet, 13, air tightness detection part, 131, gas cylinder, 132, connecting hose, 133, gas valve. DETAILED DESCRIPTION

[0018] The utility model will be further explained in connection with the drawings and implementation.

[0019] Please refer to Figure 1 、 Figure 2 And Figure 3 Among them, Figure 1 It is a preferred embodiment structure diagram of quality detection device for hydraulic valve production provided by the utility model;

[0020] Figure 2 It is the structure diagram of positioning part and clamping part in the utility model;

[0021] Figure 3 It is the structure diagram of first sealing part, second sealing part and air tightness detection part in the utility model.

[0022] A quality detection device for hydraulic valve production includes: workbench 1 and lifting assembly 5, the test pool 2 and control console 3 are provided on the workbench 1, the both sides of the test pool 2 are fixedly connected with extension plate 4, and the extension plate 4 is used to install lifting assembly 5, the lifting assembly 5 includes driving piece 51, the tail end of the driving piece 51 is fixedly connected with lifting seat 52, and the lifting seat 52 is slidably connected with the both sides of test pool 2 to keep stable, the water hole 53 is formed in the lifting seat 52, the side of the test pool 2 is provided with water inlet pipe 6 and water outlet pipe 7, the control valve 8 is arranged on the water inlet pipe 6 and water outlet pipe 7 to control the inflow and outflow of water flow, the positioning part 9 is arranged in the middle of the lifting seat 52 for placing the hydraulic valve to be measured, the clamping part 10, the first sealing part 11 and the second sealing part 12 are arranged on the outer side of the lifting seat 52, and the air tightness detection part 13 is arranged on the side, away from the water inlet pipe 6 and water outlet pipe 7, of the test pool 2.

[0023] The lower part of the hydraulic valve to be tested is positioned by the positioning part 9, and the clamping parts 10 on both sides limit and fix it. The first sealing part 11 and the second sealing part 12 seal the hydraulic valve to be tested. The driving part 51 is started to make the lifting seat 52 descend. The water inlet pipe 6 discharges water into the test pool 2. When the hydraulic valve to be tested sinks below the water surface, the air tightness detection part 13 is opened, and whether there is air bubble is observed. Finally, the air tightness of the hydraulic valve is checked.

[0024] The positioning part 9 comprises a first base 91, the first base 91 is fixedly connected with the lifting seat 52, and a sleeve rod 92 is arranged in the middle of the first base 91. The bottom of the sleeve rod 92 is detachably connected with a limiting block 93 and is used for placing and positioning the bottom of the hydraulic valve to be tested.

[0025] The positioning part 9 is located in the middle of the lifting seat 52 through the first base 91 and the sleeve rod 92, forming a positioning reference. The detachable design of the limiting block 93 not only ensures the adaptability of different specifications of hydraulic valves, but also realizes accurate positioning of the measured part through mechanical limiting, reducing the time of manual adjustment.

[0026] The clamping part 10 comprises a second base 101 and a fixing part 105. The first base 101 is fixedly connected with a first pushing part 102. The output end of the first pushing part 102 is provided with a fixed plate 103, and the output end of the first pushing part 102 is fixedly connected with the fixed plate 103 through the fixing part 105. The fixed plate 103 is provided with a clamping block 104 corresponding to the side surface of the hydraulic valve to be tested.

[0027] The clamping part 10 adopts a rigid support structure of the second base 101 and the fixed plate 103, and is combined with the first pushing part 102 to push. The clamping block 104 which fits the shape of the side surface of the hydraulic valve to be tested can uniformly press the side wall of the hydraulic valve, ensuring the stability of clamping and avoiding local stress too large to cause deformation of the valve body. At the same time, according to different specifications of the hydraulic valve, the fixing part 105 can be removed to replace the fixed plate 103 and the clamping block 104, preventing the clamping effect from declining.

[0028] The first sealing part 11 comprises a third base 111 and a first sealing part 113. The third base 111 is fixedly connected with a second pushing part 112. The first sealing part 113 is provided with a first mounting part 114, and the first mounting part 114 is detachably connected with the second pushing part 112.

[0029] The first sealing part 11 fixes the second pushing part 112 through the third base 111, and cooperates with the detachable first mounting part 114 to make the first sealing part 113 not only realize the axial sealing of the hydraulic valve to be tested, but also can be quickly replaced to adapt to different interface specifications, improving the sealing effect and maintenance efficiency of the sealing assembly.

[0030] The second sealing part 12 comprises a fourth base 121 and a second sealing piece 123, the third pusher 122 is fixedly connected on the fourth base 121, the second mounting part 124 is arranged on the second sealing piece 123, the second mounting part 124 is detachably connected with the third pusher 122, and the airflow through hole 125 is arranged in the middle of the second sealing piece 123 and is connected with the air tightness detection part 13.

[0031] The fourth base 121 bears the third pusher 122, the modular design of the second mounting part 124 allows the second sealing piece 123 to be quickly disassembled, maintained and replaced, the airflow through hole 125 is sealed at the connection position of the air tightness detection part 13, the pressure conduction stability during the air tightness detection is ensured, and the detection accuracy is prevented from being interfered by water gas mixing.

[0032] The air tightness detection part 13 comprises a gas cylinder 131, the connecting hose 132 is arranged on the gas cylinder 131, the gas valve 133 is arranged on the connecting hose 132, and the connecting hose 132 is connected with the airflow through hole 125 and is sealed at the connection position.

[0033] The air tightness detection part 13 is connected with the connecting hose 132 in a flexible mode, and the control of the gas valve 133 is matched, so that the sealing treatment process effectively prevents the detection gas from leaking and ensures the accuracy of pressure test data.

[0034] The working principle of the quality detection device for hydraulic valve production provided by the utility model is as follows:

[0035] The lower part of the hydraulic valve to be detected is positioned by the positioning part 9, and the clamping parts 10 on the two sides limit and fix the hydraulic valve to be detected, the first sealing part 11 and the second sealing part 12 seal the hydraulic valve to be detected, the driving part 51 is started to make the lifting seat 52 descend, the water inlet pipe 6 discharges water into the test water tank 2, when the hydraulic valve to be detected sinks below the water surface, the air tightness detection part 13 is opened, whether bubbles appear is observed, and finally the air tightness of the hydraulic valve is checked.

[0036] Compared with the related art, the quality detection device for hydraulic valve production has the following beneficial effects:

[0037] The positioning part 9 in the middle of the lifting seat 52, the clamping parts 10 on the two sides, the first sealing part 11 and the second sealing part 12 can all be disassembled and replaced in a relatively convenient mode, have good positioning, fixing and sealing effects on various specifications of hydraulic valves, reduce detection errors in the test process, and improve the convenience of use and the application range of the device.

[0038] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A quality detection device for hydraulic valve production, characterized by, Include: Workbench and lifting assembly, the workbench is provided with test pool and control console, the both sides of test pool are fixedly connected with extension plate, extension plate is used for installation of lifting assembly, lifting assembly includes driving piece, the tail end of driving piece is fixedly connected with lifting seat, lifting seat is slidably connected with both sides of test pool to keep stable, the lifting seat is provided with water hole, the side of test pool is provided with water inlet pipe and water outlet pipe, the control valve is arranged on water inlet pipe and water outlet pipe to control the in and out of water flow, the middle of lifting seat is provided with positioning part for placing hydraulic valve to be measured, the outer side of lifting seat is provided with clamping part, first sealing part and second sealing part, the side of test pool away from water inlet pipe and water outlet pipe is provided with air tightness detection part.

2. The quality detection device for hydraulic valve production according to claim 1, characterized in that, The positioning part includes a first base, the first base is fixedly connected with the lifting seat, the middle of the first base is provided with a sleeve rod, the bottom of the sleeve rod is detachably connected with a limiting block and is used for placing and positioning the bottom of the hydraulic valve to be measured.

3. The quality detection device for hydraulic valve production according to claim 1, characterized in that, The clamping part includes a second base and a fixing piece, the first pusher is fixedly connected on the second base, the output end of the first pusher is provided with a fixed plate, and the output end of the first pusher is fixedly connected with the first pusher through the fixing piece, the fixed plate is provided with a clamping block, corresponding to the side surface of the hydraulic valve to be measured.

4. The quality detection device for hydraulic valve production according to claim 1, characterized in that, The first sealing part includes a third base and a first sealing piece, the second pusher is fixedly connected on the third base, the first sealing piece is provided with a first mounting part, and the first mounting part is detachably connected with the second pusher.

5. The quality detection device for hydraulic valve production according to claim 1, characterized in that, The second sealing part includes a fourth base and a second sealing piece, the third pusher is fixedly connected on the fourth base, the second sealing piece is provided with a second mounting part, and the second mounting part is detachably connected with the third pusher, the second sealing piece is provided with a through air flow inlet hole in the middle, and is connected with the air tightness detection part.

6. The quality detection device for hydraulic valve production according to claim 5, characterized in that, The air tightness detection part includes a gas cylinder, the connecting hose is provided on the gas cylinder, the gas valve is provided on the connecting hose, the connecting hose is connected with the air flow inlet hole and the connection is sealed.