Testing device for check assembly of one-way valve

By designing a test device for a one-way valve check component that includes a test bench, support plate, fixed seat, base and pressure sensor, the problem of existing equipment being unable to be universal and simulate real oil pressure opening is solved, realizing convenient testing of check components and low-cost leakage detection.

CN223611110UActive Publication Date: 2025-11-28NANJING WEIFU JINNING
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Patent Information

Application Number
CN202520080498.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-11-28
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

The lack of general-purpose equipment for checking valve leakage detection and real oil pressure opening simulation during production makes detection difficult.

Method used

A testing device comprising a test bench, support plate, fixed base, base, connecting hole, channel hole, mounting hole and pressure sensor is designed to detect leakage and opening pressure of check valve components, and is suitable for hydraulic and pneumatic systems.

Benefits of technology

It enables convenient detection of check valve components, can detect leaks and opening pressure, reduces manufacturing costs, and improves the versatility and accuracy of detection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223611110U_ABST
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Abstract

The utility model relates to a one-way valve non-return assembly testing device which comprises a testing stand, a supporting plate is arranged on the testing stand, a fixing seat is arranged on one side of the supporting plate, a connecting hole is formed in the lower end of the fixing seat, and a first channel hole penetrating through the fixing seat is formed in the top wall of the connecting hole. The lower end of the first channel hole is provided with an assembling hole capable of being matched with the non-return assembly. A first mounting hole communicated with the first channel hole is formed in one side of the fixed seat; a connecting column capable of being matched with the connecting hole is arranged at the upper end of the base, a second channel hole penetrating through the fixing base is formed in the middle of the connecting column, and a positioning hole capable of being matched with the non-return assembly is formed in the upper end of the second channel hole. The check assembly is simple in structure and low in manufacturing cost, oil and gas can pass through the check assembly, whether the check assembly leaks or not can be detected, and the opening pressure and the flow of the check assembly under different oil inlet pressures can also be detected; the whole is convenient to assemble and easy to use.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to one -way valve technical field relates to a one -way valve check assembly testing arrangement. BACKGROUND

[0002] One -way valve is a kind of valve, and fluid can only enter the inside of valve body along inlet, and outlet medium cannot backflow, is used to prevent oil flow reverse flow in hydraulic system, or is used to prevent compressed air reverse flow in pneumatic system.One -way valve production, needs to be tested, check whether the internal check assembly exists leakage condition, original equipment is air pressure detection structure, tool structure cannot be universal, and real oil pressure opening and leakage condition cannot be simulated. SUMMARY

[0003] In view of prior art deficiency, the utility model provides a one -way valve check assembly testing arrangement.

[0004] The utility model discloses the technical scheme that the above-mentioned technical problem is adopted as follows:

[0005] A one -way valve check assembly testing arrangement, comprising:

[0006] Test bed, the upper surface of test bed is provided with support plate, the side of support plate is provided with fixed base, the lower end of fixed base is provided with connecting hole, the top wall of connecting hole is provided with the first passageway hole of fixed base, and the lower end of first passageway hole is provided with the assembly hole that can be matched with check assembly;The side of fixed base is provided with the first installation hole that is connected with first passageway hole;

[0007] Base, the upper end of base is provided with the connecting column that can be matched with connecting hole, the middle part of connecting column is provided with the second passageway hole of fixed base, and the upper end of second passageway hole is provided with the positioning hole that can be matched with check assembly;The side of base is provided with the second installation hole that is connected with passageway hole;

[0008] Pressure sensor, the pressure sensor is installed in first installation hole and second installation hole respectively.

[0009] Preferably, the upper end of first passageway hole is provided with first pipe joint;The lower end of second passageway hole is provided with second pipe joint.

[0010] Preferably, the side of fixed base is provided with fixed hole, and the fixed hole is provided with fixing piece.

[0011] Preferably, the upper end of assembly hole is provided with sealing washer.

[0012] Compared with prior art, the utility model has the following advantages:

[0013] The utility model discloses simple structure, low in manufacturing cost, can pass oil also can pass air, can detect whether check valve subassembly leaks, also can detect opening pressure, check valve subassembly flow under different oil pressure, whole convenient assembly, easy to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is whole structure schematic diagram of the utility model.

[0015] Fig. 2 It is fixed seat structure schematic diagram of the utility model.

[0016] Fig. 3 It is base structure schematic diagram of the utility model.

[0017] In the drawing: 1, test bench 2, support plate 3, fixed seat 4, connecting hole 5, first passage hole 6, assembly hole 7, first mounting hole 8, base 9, connecting column 10, second passage hole 11, positioning hole 12, second mounting hole 13, pressure sensor 14, first pipe joint 15, second pipe joint 16, fixed hole 17, fixed part 18, sealing washer 19, check valve subassembly. DETAILED DESCRIPTION

[0018] In order to make the person skilled in the art better understand the utility model scheme, below will combine with the drawing, and the technical scheme of the utility model will be clearly and completely described.

[0019] The embodiment proposes a check valve subassembly testing device, including test bench 1, base 8 and pressure sensor 13;

[0020] As Figs. 1-3 Shown, the upper surface of test bench 1 is provided with support plate 2, one side of support plate 2 is provided with fixed seat 3, the lower end of fixed seat 3 is provided with connecting hole 4, the top wall of connecting hole 4 is provided with first passage hole 5 that can pass through fixed seat 3, and first passage hole 5 is used for medium flow passage;

[0021] The lower end of first passage hole 5 is provided with assembly hole 6 that can be matched with check valve subassembly 19;One side of fixed seat 3 is provided with first mounting hole 7 that is communicated with first passage hole 5;

[0022] The upper end of base 8 is provided with connecting column 9 that can be matched with connecting hole 4, and connecting column 9 is screwed between connecting hole 4;

[0023] The middle part of connecting column 9 is provided with second passage hole 10 that can pass through fixed seat 3, and second passage hole 10 is used for medium flow passage;

[0024] The upper end of the second channel hole 10 is provided with a positioning hole 11 capable of cooperating with the check assembly 19, and the positioning hole 11 and the assembly hole 6 are used for assembling the check assembly 19;

[0025] One side of the base 8 is provided with a second mounting hole 12 connected with the channel hole;

[0026] The pressure sensors 13 are respectively installed in the first mounting hole 7 and the second mounting hole 12, and the two pressure sensors 13 can respectively test the medium pressure of the pipelines at both ends of the check assembly 19.

[0027] Further, the upper end of the first channel hole 5 is provided with a first pipe joint 14, and the lower end of the second channel hole 10 is provided with a second pipe joint 15, and the first pipe joint 14 and the second pipe joint 15 are used for connecting external pipelines.

[0028] Further, one side of the fixing seat 3 is provided with a fixing hole 16, and the fixing hole 16 is provided with a fixing piece 17, and the fixing seat 3 is installed on the support plate 2 by means of the fixing piece 17.

[0029] Further, the upper end of the assembly hole 6 is provided with a sealing gasket 18, and the sealing gasket 18 prevents leakage during the test of the check assembly 19.

[0030] Working principle: in use, the check assembly 19 of the one-way valve is assembled in the positioning hole 11 and the assembly hole 6, the upper end of the assembly hole 6 is provided with a sealing gasket 18, and the first pipe joint 14 and the second pipe joint 15 are used for connecting external pipelines.

[0031] The medium is transported to the check assembly 19 through the first pipe joint 14, and the pressure sensor 13 on one side of the fixing seat 3 is observed, so as to know whether the check assembly 19 leaks or not; the medium is transported to the check assembly 19 through the second pipe joint 15, and the pressure sensor 13 on one side of the base 8 is observed, so as to detect the opening pressure of the check assembly 19.

[0032] It can be understood that the above embodiments are only exemplary embodiments for illustrating the principle of the utility model, and the utility model is not limited to this. For ordinary skilled persons in the art, various modifications and improvements can be made without departing from the spirit and essence of the utility model, and these modifications and improvements are also regarded as the protection scope of the utility model.

Claims

1. A check valve backset assembly testing device characterized by, Include: Test bench (1), the upper surface of the test bench (1) is provided with a support plate (2), one side of the support plate (2) is provided with a fixed seat (3), the lower end of the fixed seat (3) is provided with a connecting hole (4), the top wall of the connecting hole (4) is provided with a first channel hole (5) penetrating through the fixed seat (3), the lower end of the first channel hole (5) is provided with an assembly hole (6) capable of cooperating with the check component (19); One side of the fixed seat (3) is provided with a first mounting hole (7) communicated with the first channel hole (5); The base (8) is provided with a connecting column (9) capable of cooperating with the connecting hole (4) at the upper end, the connecting column (9) is provided with a second channel hole (10) penetrating through the fixed seat (3) at the middle part, the upper end of the second channel hole (10) is provided with a positioning hole (11) capable of cooperating with the check component (19); One side of the base (8) is provided with a second mounting hole (12) communicated with the channel hole; The pressure sensor (13) is respectively installed in the first mounting hole (7) and the second mounting hole (12).

2. A check valve backset assembly testing device according to claim 1, wherein, The upper end of the first channel hole (5) is provided with a first pipe joint (14); The lower end of the second channel hole (10) is provided with a second pipe joint (15).

3. A check valve assembly testing device as defined in claim 1, wherein, One side of the fixed seat (3) is provided with a fixed hole (16), and the fixed hole (16) is provided with a fixing piece (17).

4. A check valve assembly testing device as defined in claim 1, wherein, The upper end of the assembly hole (6) is provided with a sealing washer (18).