Pressure test device for pump shell of oil pump

By designing sealing and clamping components, the cumbersome problem of connecting and fixing the oil pump housing was solved, achieving rapid connection and stable fixation, thus improving test efficiency and accuracy.

CN224122338UActive Publication Date: 2026-04-14QINGDAO SHUYANG IND & TRADE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The existing oil pump casing pressure resistance test equipment is cumbersome to operate when connecting and fixing, which affects the test efficiency.

Method used

The sealing assembly, consisting of a support plate, a cylinder, and a sealing plate, and a sealing assembly consisting of a support plate, a cylinder, a sealing pipe head, an L-shaped air pipe, and a pressure-resistant hose, together with an airtightness tester, enables rapid connection and sealing of the oil pump housing. The height can be adjusted by a locking knob, and a clamping assembly consisting of an L-shaped support frame, a lower support bracket, a hydraulic rod, and an upper support bracket is used to achieve stable fixation.

Benefits of technology

It enables rapid connection and secure fixation of the oil pump housing, improves testing efficiency and adaptability, and ensures the accuracy of pressure resistance and airtightness tests.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224122338U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of pressure-resistant test devices, and discloses a pressure-resistant test device for an oil pump shell, which solves the problem that the existing test device is inconvenient to quickly connect and fix the oil pump shell, and comprises a support base, a plugging assembly I is arranged at one end of the top of the support base in a sliding and penetrating manner, and a pressure-resistant assembly II is arranged at the other end of the top of the support base. A second plugging assembly is arranged at the other end of the top of the supporting base in a sliding and penetrating mode, a control panel and an airtightness tester are fixedly arranged at the end, close to the second plugging assembly, of the top of the supporting base, and an oil pump shell clamping assembly is arranged on one side of the top end of the supporting base; the second plugging assembly is composed of a second supporting vertical plate, a second air cylinder, a plugging pipe head, an L-shaped air pipe and a pressure-resistant hose. By means of the pressure resistance test device, the pressure resistance test and the air sealing test can be conducted on the oil pump shell, the oil pump shell can be rapidly connected conveniently, and the test efficiency is improved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of pressure resistance testing devices, specifically an oil pump casing pressure resistance testing device. Background Technology

[0002] After the oil pump casing is manufactured, it needs to undergo a pressure test to test its pressure resistance and overall airtightness. Existing testing devices are not convenient for quick connection and fixation when connected to the oil pump casing. They usually require locking devices such as bolts and clamps, which is cumbersome and affects the testing efficiency. Therefore, this application proposes an oil pump casing pressure testing device to achieve quick connection of the oil pump casing and thus improve the testing efficiency. Utility Model Content

[0003] In view of the above situation and to overcome the defects of the prior art, this utility model provides an oil pump housing pressure resistance test device, which effectively solves the problem that the existing test device is not convenient for quickly connecting and fixing the oil pump housing.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an oil pump housing pressure resistance testing device, comprising a support base, a first sealing component slidably inserted at one end of the top of the support base, a second sealing component slidably inserted at the other end of the top of the support base, a control panel and an airtightness tester fixedly installed at the end of the top of the support base near the second sealing component, an oil pump housing clamping assembly installed on one side of the top of the support base, and the first sealing component consisting of a first support plate, a first cylinder, and a sealing plate, the first support plate being inserted into the support base and... The support base is slidably connected. Cylinder 1 is inserted into and fixedly connected to support plate 1. The sealing plate is fixedly connected to one end of cylinder 1. The sealing assembly 2 consists of support plate 2, cylinder 2, sealing tube head, L-shaped air tube, and pressure-resistant hose. Support plate 2 is inserted into and slidably connected to support base. Cylinder 2 is inserted into and fixedly connected to support plate 2. Sealing tube head is fixedly connected to one end of cylinder 2. L-shaped air tube is fixedly connected to the top of sealing tube head. Pressure-resistant hose is connected between L-shaped air tube and air tightness tester.

[0005] Preferably, a sealing ring is fixedly provided at one end of both the sealing plate and the sealing tube head.

[0006] Preferably, one end of the front of the support base is provided with a locking knob that matches the first support plate, and the other end of the front of the support base is provided with a locking knob that matches the second support plate.

[0007] Preferably, the oil pump housing clamping assembly consists of an L-shaped support frame, a lower support bracket, a hydraulic rod, and an upper support bracket. The L-shaped support frame and the lower support bracket are both fixedly connected to the top of the support base, the hydraulic rod is fixedly connected to the L-shaped support frame, and the upper support bracket is fixedly connected to the bottom of the hydraulic rod.

[0008] Preferably, rubber buffer pads are fixedly provided on the top surface of the lower support bracket and the bottom surface of the upper support bracket.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] (1) In operation, by setting up a sealing component 1 consisting of a support plate 1, a cylinder 1 and a sealing plate, and a sealing component 2 consisting of a support plate 2, a cylinder 2, a sealing pipe head, an L-shaped air pipe and a pressure-resistant hose, the oil pump housing can be quickly connected, improving connection efficiency and sealing the oil inlet and outlet of the oil pump housing. By setting up an air tightness tester, it can cooperate with the sealing component 2 to perform pressure resistance test and air tightness test on the oil pump housing. By setting up a locking knob 1 and a locking knob 2, the height of the support plate 1 and the support plate 2 can be finely adjusted to improve adaptability.

[0011] (2) By setting up an oil pump housing clamping assembly consisting of an L-shaped support frame, a lower support bracket, a hydraulic rod and an upper support bracket, the oil pump housing can be clamped and fixed, thereby improving the stability of the oil pump housing. Attached Figure Description

[0012] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0013] In the attached diagram:

[0014] Figure 1 This is one of the structural schematic diagrams of the oil pump casing pressure resistance test device of this utility model;

[0015] Figure 2 This is the second schematic diagram of the oil pump casing pressure resistance test device of this utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the oil pump housing clamping assembly of this utility model;

[0017] Figure 4 This is a schematic diagram of the connection structure between the sealing component 2 of this utility model and the airtightness tester;

[0018] In the diagram: 1. Support base; 2. Sealing component one; 3. Sealing component two; 4. Control panel; 5. Air tightness tester; 6. Oil pump housing clamping assembly; 7. Support plate one; 8. Cylinder one; 9. Sealing plate; 10. Support plate two; 11. Cylinder two; 12. Sealing pipe head; 13. L-shaped air pipe; 14. Pressure-resistant hose; 15. Sealing ring; 16. Locking knob one; 17. Locking knob two; 18. L-shaped support frame; 19. Lower support bracket; 20. Hydraulic rod; 21. Upper support bracket; 22. Rubber buffer pad. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0020] Depend on Figures 1 to 4 This invention discloses an oil pump casing pressure resistance testing device, comprising a support base 1, a sealing component 2 slidably inserted at one end of the top of the support base 1, and a sealing component 3 slidably inserted at the other end of the top of the support base 1. A control panel 4 and an airtightness tester 5 are fixedly mounted on the top of the support base 1 near the sealing component 3. An oil pump casing clamping component 6 is mounted on one side of the top of the support base 1. The sealing component 2 consists of a support plate 7, a cylinder 8, and a sealing plate 9. The support plate 7 is inserted into and slidably connected to the support base 1, and the cylinder 8 is inserted into the support plate 9. Plate 1 7 is fixedly connected to support plate 1 7, sealing plate 9 is fixedly connected to one end of cylinder 1 8, sealing assembly 2 3 consists of support plate 2 10, cylinder 2 11, sealing tube head 12, L-shaped air tube 13, and pressure-resistant hose 14. Support plate 2 10 is inserted into support base 1 and slidably connected to support base 1. Cylinder 2 11 is inserted into support plate 2 10 and fixedly connected to support plate 2 10. Sealing tube head 12 is fixedly connected to one end of cylinder 2 11. L-shaped air tube 13 is fixedly connected to the top of sealing tube head 12. Pressure-resistant hose 14 is connected between L-shaped air tube 13 and air tightness tester 5.

[0021] The oil pump housing is clamped and fixed by the oil pump housing clamping assembly 6. Then, the cylinder 8 drives the sealing plate 9 to move, so that the sealing plate 9 is aligned with the oil outlet hole on the oil pump housing, thereby achieving sealing. The cylinder 11 drives the sealing tube head 12 to move, so that one end of the sealing tube head 12 is aligned with the oil inlet hole on the oil pump housing, thereby achieving sealing. The air tightness tester 5 is started. The air tightness tester 5 constructs a closed pressure environment through the inflation, pressure stabilization and testing stages. If there is leakage in the oil pump housing, the internal pressure will drop. By comparing the preset leakage upper limit value with the difference of the measured pressure change, it can be determined whether the air tightness is qualified. By increasing the air pressure, the pressure resistance test can be achieved.

[0022] A sealing ring 15 is fixedly provided at one end of both the sealing plate 9 and the sealing pipe head 12, which can improve the sealing performance of the connection between the sealing plate 9 and the sealing pipe head 12 and the oil pump housing.

[0023] One end of the front of the support base 1 is provided with a locking knob 16 that matches the support plate 7, and the other end of the front of the support base 1 is provided with a locking knob 27 that matches the support plate 10. The height of the support plate 7 and the support plate 10 can be finely adjusted by locking knob 16 and locking knob 27 to improve adaptability.

[0024] The oil pump housing clamping assembly 6 consists of an L-shaped support frame 18, a lower support bracket 19, a hydraulic rod 20, and an upper support bracket 21. The L-shaped support frame 18 and the lower support bracket 19 are both fixedly connected to the top of the support base 1. The hydraulic rod 20 is fixedly connected to the L-shaped support frame 18, and the upper support bracket 21 is fixedly connected to the bottom of the hydraulic rod 20.

[0025] The oil pump housing is placed on the top of the lower support bracket 19, and the hydraulic rod 20 drives the upper support bracket 21 to press down. The oil pump housing is supported and fixed by the lower support bracket 19 and the upper support bracket 21, thereby improving the stability of the oil pump housing.

[0026] Rubber buffer pads 22 are fixedly installed on the top surface of the lower support bracket 19 and the bottom surface of the upper support bracket 21, which can provide buffering and anti-slip functions.

[0027] In operation, by setting up a sealing assembly 1 consisting of a support plate 1, a cylinder 1, and a sealing plate, and a sealing assembly 2 consisting of a support plate 2, a cylinder 2, a sealing pipe head, an L-shaped air pipe, and a pressure-resistant hose, the oil pump housing can be quickly connected, improving connection efficiency and sealing the oil inlet and outlet of the oil pump housing. By setting up an air tightness tester, it can cooperate with the sealing assembly 2 to perform pressure resistance and air tightness tests on the oil pump housing. By setting up locking knob 1 and locking knob 2, the height of support plate 1 and support plate 2 can be finely adjusted, improving adaptability. By setting up an oil pump housing clamping assembly consisting of an L-shaped support frame, a lower support bracket, a hydraulic rod, and an upper support bracket, the oil pump housing can be clamped and fixed, improving the stability of the oil pump housing.

Claims

1. An oil pump pump housing pressure test device comprising a support base (1), characterised in that: A sealing component 1 (2) is slidably inserted at one end of the top of the support base (1), and a sealing component 2 (3) is slidably inserted at the other end of the top of the support base (1). A control panel (4) and an airtightness tester (5) are fixedly installed at one end of the top of the support base (1) near the sealing component 2 (3). An oil pump housing clamping component (6) is installed on one side of the top of the support base (1). The sealing component 1 (2) is composed of a support plate 1 (7), a cylinder 1 (8), and a sealing plate (9). The support plate 1 (7) is inserted into the support base (1) and slidably connected to the support base (1). The cylinder 1 (8) is inserted into the support plate 1 (7) and fixedly connected to the support plate 1 (7). Then, the sealing plate (9) is fixedly connected to one end of the cylinder (8). The sealing assembly (3) consists of the support plate (10), the cylinder (11), the sealing tube head (12), the L-shaped air tube (13), and the pressure-resistant hose (14). The support plate (10) is inserted into the support base (1) and is slidably connected to the support base (1). The cylinder (11) is inserted into the support plate (10) and is fixedly connected to the support plate (10). The sealing tube head (12) is fixedly connected to one end of the cylinder (11). The L-shaped air tube (13) is fixedly connected to the top of the sealing tube head (12). The pressure-resistant hose (14) is connected between the L-shaped air tube (13) and the air tightness tester (5).

2. The oil pump housing pressure test device according to claim 1, characterized in that: A sealing ring (15) is fixedly installed at one end of both the sealing plate (9) and the sealing tube head (12).

3. The oil pump casing pressure resistance test device according to claim 1, characterized in that: One end of the front of the support base (1) is provided with a locking knob (16) that matches the support plate (7), and the other end of the front of the support base (1) is provided with a locking knob (17) that matches the support plate (10).

4. The oil pump casing pressure resistance test device according to claim 1, characterized in that: The oil pump housing clamping assembly (6) consists of an L-shaped support frame (18), a lower support bracket (19), a hydraulic rod (20), and an upper support bracket (21). The L-shaped support frame (18) and the lower support bracket (19) are both fixedly connected to the top of the support base (1). The hydraulic rod (20) is fixedly connected to the L-shaped support frame (18), and the upper support bracket (21) is fixedly connected to the bottom of the hydraulic rod (20).

5. The oil pump casing pressure resistance test device according to claim 4, characterized in that: Rubber buffer pads (22) are fixedly provided on the top surface of the lower support bracket (19) and the bottom surface of the upper support bracket (21).