Pump core assembly testing jig

By designing the pump core assembly test frame, using components such as quick clamps, push rods, test fixtures and air pressure sensors, the air tightness detection of the pump core assembly is achieved, and the failure to detect during the pump assembly process in the prior art is solved. The airtightness of the pump core assembly provides effective air leakage testing methods.

CN222333990UActive Publication Date: 2025-01-10GUANGDONG YUTING XIANFA TECH CO LTD
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Patent Information

Application Number
CN202421266966.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-01-10
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The prior art fails to effectively detect the airtightness of the pump core assembly during the pump assembly process, resulting in the pump leakage problem that may be caused by air leakage and not being discovered in time.

Method used

A pump core assembly test frame is designed, including quick clamps, push rods, test fixtures, tube plugs, connecting barrels, air pressure sensors, gas storage cylinders and exhaust valves. By monitoring the inflation pressure and current of the pump core assembly in real time, the timing and Displays the inflation time and holding pressure time to determine whether the pump core assembly is leaking.

Benefits of technology

The airtightness detection of the pump core assembly is realized, and it can determine whether the pump core assembly is leaking within 3 seconds in a static situation, and display the test results through the display screen to ensure the qualification of the pump core assembly and provide the assembly of the pump machine. Effective airtightness detection methods.

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Abstract

The utility model discloses a pump core assembly testing frame which comprises a bottom frame, the upper surface of the bottom frame is fixedly connected with a quick clamp, the inner wall of the quick clamp is movably connected with a push rod, one end of the push rod is fixedly connected with a testing clamp, the inner wall of the testing clamp is fixedly connected with a first pipe plug, and the inner wall of the first pipe plug is fixedly connected with a second pipe plug. A connecting cylinder is arranged at one end of the first pipe plug, a second pipe plug is arranged at one end of the connecting cylinder, according to the pump core assembly testing frame, a tested pump core assembly is arranged in the testing frame, the pump core assembly and a testing frame gas circuit are connected, a starting button is pressed down to supply power to a pump core to start inflation, and a gas pressure sensor and a gas storage bottle are arranged in the gas circuit. The inflation pressure of the pump core assembly can be monitored in real time, the pressure maintaining time displayed on the display screen is observed, if the change is smaller than 1 psi, it is determined that the pump core assembly does not leak air, it is determined that the pump core assembly is qualified, otherwise, it is determined that air leakage is not qualified, and the air release valve is controlled to release air after the test is completed to prepare for the next repeated test.
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Description

Technical Field

[0001] The utility model relates to the technical field of pump core testing, in particular to a pump core component testing frame. Background Art

[0002] The pump core is the heart of the pump machine. The performance of the pump core assembly is directly related to the performance of the pump machine. Generally, after the pump core assembly is assembled into a pump machine, the pump machine is directly tested. The air tightness of the pump core assembly is not tested during the assembly process of the pump machine. Therefore, a test stand is needed to detect whether the pump core assembly is leaking. Utility Model Content

[0003] The main purpose of the utility model is to provide a pump core component test stand, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A pump core assembly test stand comprises a base frame, the upper surface of the base frame is fixedly connected with a quick clamp, the inner wall of the quick clamp is movably connected with a push rod, one end of the push rod is fixedly connected with a test fixture, the inner wall of the test fixture is fixedly connected with a pipe plug 1, one end of the pipe plug 1 is provided with a connecting tube, one end of the connecting tube is provided with a pipe plug 2, the other end of the push rod is fixedly connected with a connecting plate, and the front side of the connecting plate is fixedly connected with a handle.

[0006] In order to achieve the effect of installing the connecting tube, as a pump core assembly test frame of the utility model, the upper surface of the base frame is fixedly connected with a tube seat, the inner wall of the tube seat is movably connected with the connecting tube, and the outer surface of the connecting tube is fixedly connected with a grip rod.

[0007] In order to achieve the effect of placing the pump core assembly in the test frame, as a pump core assembly test frame of the utility model, the upper surface of the base frame is fixedly connected with a tail block, the inner wall of the tail block is fixedly connected with a pipe plug 2, and the inner top wall of the base frame is fixedly connected with a pump core seat.

[0008] In order to achieve the effect of real-time monitoring of the inflation pressure of the pump core assembly, the utility model provides a pump core assembly test stand, the outer surface of the connecting tube is fixedly connected to a connecting pipe, one end of the connecting pipe is fixedly connected to a three-way pipe head, one end of the three-way pipe head is fixedly connected to an air pressure sensor, the other end of the three-way pipe head is fixedly connected to a gas bottle, and the outer surface of the gas bottle is fixedly connected to an air release valve.

[0009] In order to achieve the effect of connecting with pipe plug one and pipe plug two, as a pump core assembly test stand of the utility model, the inner wall of the pump core seat is provided with a pump core assembly body, and the top of the pump core assembly body is fixedly connected with detection tube one and detection tube two from left to right.

[0010] In order to achieve the effect of starting the test component, as a pump core component test stand of the utility model, the inner top wall of the base frame is fixedly connected with a switching power supply, the upper surface of the base frame is provided with a start button, and a power switch is provided on one side of the base frame.

[0011] In order to achieve the effect of displaying test data, as a pump core assembly test stand of the utility model, the inner top wall of the base frame is fixedly connected with a control assembly, and the upper surface of the base frame is fixedly connected with an ammeter and a display screen in sequence from left to right.

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

[0013] The pump core assembly test stand is provided with a quick clamp, a push rod, a test fixture, a pipe plug 1, a connecting tube, a pipe plug 2, a connecting tube, a three-way pipe head, an air pressure sensor, an air storage bottle and an air release valve. The pump core assembly to be tested is placed in a pump core seat, and the detection tube 1 and the detection tube 2 are respectively installed on the pipe plug 1 in the test fixture and the pipe plug 2 in the tail block. The handle is held and the push rod is pushed to make the quick clamp press the test fixture to connect the pump core assembly and the test stand air circuit. The start button is pressed to power the pump core to start inflation. The air pressure sensor and the air storage bottle are provided in the air circuit, and the inflation pressure of the pump core assembly can be monitored in real time. The "inflation pressure" is displayed on the display screen. The inflation target pressure is set to 135psi, and the power is on. An ammeter is connected in series in the circuit to monitor the current during inflation in real time, and the maximum current "7.72A" is displayed on the display screen. When the start button is pressed, the microcontroller in the control component begins to time the inflation time, and the "inflation time" is displayed on the display screen. When the inflation reaches 135psi, the inflation is stopped and the inflation timing ends. Under static conditions, the change of air pressure is monitored within 3 seconds, and the "pressure holding time" is displayed on the display screen. If the change is less than 1psi, it is considered that the pump core assembly is not leaking, and "qualified" is displayed on the display screen. Otherwise, it is considered that the leakage is unqualified. After the test is completed, the air release valve is controlled to deflate, preparing for the next repeated test, so as to perform a leakage test on the pump core assembly and detect the air tightness of the pump core assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a pump core assembly test stand according to Example 1 of the utility model;

[0015] Figure 2 This is a schematic diagram of the axonometric structure of a pump core assembly test stand from the rear view according to Embodiment 1 of the utility model;

[0016] Figure 3 This is a schematic diagram of the axonometric structure of a pump core assembly test stand viewed from above in Example 1 of the utility model;

[0017] Figure 4This is a schematic diagram of the axonometric structure of a pump core assembly test stand viewed from above in Example 1 of the utility model;

[0018] Figure 5 This is a schematic diagram of the axonometric structure of a test fixture in a pump core assembly test stand according to Example 1 of the utility model;

[0019] Figure 6 This is a schematic diagram of the axonometric structure of a pump core assembly placed in a pump core assembly test stand according to Example 1 of the utility model.

[0020] In the figure: 1. base frame; 2. quick clamp; 3. push rod; 4. test fixture; 5. pipe plug 1; 6. connecting tube; 7. pipe plug 2; 8. tube seat; 9. grip; 10. tail block; 11. handle; 12. connecting plate; 13. connecting tube; 14. three-way pipe head; 15. air pressure sensor; 16. gas storage bottle; 17. relief valve; 18. pump core seat; 19. pump core assembly body; 20. detection tube 1; 21. detection tube 2; 22. switch power supply; 23. start button; 24. power switch; 25. control assembly; 26. display screen; 27. ammeter. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] like Figure 1-6 As shown, a pump core assembly test stand comprises a base frame 1, a quick clamp 2 is fixedly connected to the upper surface of the base frame 1, a push rod 3 is movably connected to the inner wall of the quick clamp 2, one end of the push rod 3 is fixedly connected to a test fixture 4, the inner wall of the test fixture 4 is fixedly connected to a pipe plug 5, one end of the pipe plug 5 is provided with a connecting tube 6, one end of the connecting tube 6 is provided with a pipe plug 2 7, the other end of the push rod 3 is fixedly connected to a connecting plate 12, and the front of the connecting plate 12 is fixedly connected to a handle 11.

[0024] When in use, the pump core assembly to be tested is placed in the pump core seat 18 through the arrangement of the quick clamp 2, the push rod 3, the test fixture 4, the pipe plug 1 5, the connecting tube 6, the pipe plug 2 7, the connecting tube 13, the three-way pipe head 14, the air pressure sensor 15, the gas storage bottle 16 and the air release valve 17. The detection tube 1 20 and the detection tube 2 21 are respectively installed on the pipe plug 1 5 in the test fixture 4 and the pipe plug 2 7 in the tail block 10. The handle 11 is held and the push rod 3 is pushed to make the quick clamp 2 press the test fixture 4 to connect the pump core assembly and the test frame gas circuit. The start button 23 is pressed to power the pump core and start to inflate. The air circuit is provided with the air pressure sensor 15 and the gas storage bottle 16, which can monitor the inflation pressure of the pump core assembly in real time and display it on the display screen 26. "Inflation pressure", the inflation target pressure is set to 135psi, an ammeter 27 is connected in series in the circuit to monitor the current during inflation in real time, and the maximum current "7.72A" is displayed on the display screen 26. When the start button 23 is pressed, the single-chip microcomputer in the control component 25 starts to count the inflation time, and the "inflation time" is displayed on the display screen 26. When the inflation reaches 135psi, the inflation is stopped and the inflation timing ends. Under static conditions, the change of air pressure is monitored within 3 seconds, and the "pressure holding time" is displayed on the display screen 26. If the change is less than 1psi, it is considered that the pump core component is not leaking, and "qualified" is displayed on the display screen 26. Otherwise, it is considered that the leakage is unqualified. After the test is completed, the air release valve 17 is controlled to deflate, and prepare for the next repeated test.

[0025] In this embodiment, a cylinder seat 8 is fixedly connected to the upper surface of the base frame 1 , a connecting cylinder 6 is movably connected to the inner wall of the cylinder seat 8 , and a gripping rod 9 is fixedly connected to the outer surface of the connecting cylinder 6 .

[0026] During specific use, the connecting cylinder 6 is installed through the setting of the cylinder seat 8.

[0027] In this embodiment, a tail block 10 is fixedly connected to the upper surface of the base frame 1 , a pipe plug 7 is fixedly connected to the inner wall of the tail block 10 , and a pump core seat 18 is fixedly connected to the inner top wall of the base frame 1 .

[0028] When in use, the pump core seat 18 is arranged to place the pump core assembly in the test stand.

[0029] In this embodiment, a connecting tube 13 is fixedly connected to the outer surface of the connecting tube 6, one end of the connecting tube 13 is fixedly connected to a three-way pipe head 14, one end of the three-way pipe head 14 is fixedly connected to an air pressure sensor 15, the other end of the three-way pipe head 14 is fixedly connected to a gas cylinder 16, and the outer surface of the gas cylinder 16 is fixedly connected to a deflation valve 17.

[0030] During specific use, the inflation pressure of the pump core assembly is monitored in real time through the setting of the air pressure sensor 15.

[0031] In this embodiment, a pump core assembly body 19 is disposed on the inner wall of the pump core seat 18, and a detection tube 1 20 and a detection tube 2 21 are fixedly connected to the top of the pump core assembly body 19 from left to right.

[0032] During specific use, the detection tube 1 20 and the detection tube 2 21 are connected to the tube plug 1 5 and the tube plug 2 7.

[0033] In this embodiment, a switch power supply 22 is fixedly connected to the inner top wall of the base frame 1 , a start button 23 is provided on the upper surface of the base frame 1 , and a power switch 24 is provided on one side of the base frame 1 .

[0034] During specific use, the test component is started by setting the start button 23.

[0035] In this embodiment, a control assembly 25 is fixedly connected to the inner top wall of the base frame 1, and an ammeter 27 and a display screen 26 are fixedly connected to the upper surface of the base frame 1 in sequence from left to right.

[0036] During specific use, the test data is displayed through the setting of the display screen 26.

[0037] Working principle: put the pump core assembly to be tested into the pump core seat 18, install the detection tube 1 20 and the detection tube 2 21 into the tube plug 1 5 in the test fixture 4 and the tube plug 2 7 in the tail block 10 respectively, hold the handle 11 and push the push rod 3 to make the quick clamp 2 press the test fixture 4 to connect the pump core assembly and the test frame gas circuit, press the start button 23 to power the pump core and start charging, the gas circuit is equipped with an air pressure sensor 15 and a gas storage bottle 16, which can monitor the charging pressure of the pump core assembly in real time, and display "charging pressure" on the display 26. The charging target pressure is set to 135psi, and the electric An ammeter 27 is connected in series in the circuit to monitor the current during inflation in real time, and the maximum current "7.72A" is displayed on the display screen 26. When the start button 23 is pressed, the single-chip microcomputer in the control component 25 starts to count the inflation time, and "inflation time" is displayed on the display screen 26. When the inflation reaches 135psi, inflation is stopped and the inflation timing ends. Under static conditions, the change of air pressure is monitored within 3 seconds, and "pressure holding time" is displayed on the display screen 26. If the change is less than 1psi, it is considered that the pump core component is not leaking, and "qualified" is displayed on the display screen 26. Otherwise, it is considered to be leaking and unqualified.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A pump core assembly test stand, comprising a base frame (1), characterized in that: The upper surface of the base frame (1) is fixedly connected to a quick clamp (2), the inner wall of the quick clamp (2) is movably connected to a push rod (3), one end of the push rod (3) is fixedly connected to a test fixture (4), the inner wall of the test fixture (4) is fixedly connected to a pipe plug 1 (5), one end of the pipe plug 1 (5) is provided with a connecting tube (6), one end of the connecting tube (6) is provided with a pipe plug 2 (7), the other end of the push rod (3) is fixedly connected to a connecting plate (12), and the front side of the connecting plate (12) is fixedly connected to a handle (11).

2. A pump core assembly test stand according to claim 1, characterized in that: The upper surface of the base frame (1) is fixedly connected to a cylinder seat (8), the inner wall of the cylinder seat (8) is movably connected to a connecting cylinder (6), and the outer surface of the connecting cylinder (6) is fixedly connected to a gripping rod (9).

3. A pump core assembly test stand according to claim 1, characterized in that: The upper surface of the base frame (1) is fixedly connected to a tail block (10), the inner wall of the tail block (10) is fixedly connected to a pipe plug 2 (7), and the inner top wall of the base frame (1) is fixedly connected to a pump core seat (18).

4. A pump core assembly test stand according to claim 1, characterized in that: The outer surface of the connecting tube (6) is fixedly connected to a connecting tube (13), one end of the connecting tube (13) is fixedly connected to a three-way pipe head (14), one end of the three-way pipe head (14) is fixedly connected to an air pressure sensor (15), the other end of the three-way pipe head (14) is fixedly connected to a gas storage bottle (16), and the outer surface of the gas storage bottle (16) is fixedly connected to a gas release valve (17).

5. A pump core assembly test stand according to claim 3, characterized in that: The inner wall of the pump core seat (18) is provided with a pump core assembly body (19), and the top end of the pump core assembly body (19) is fixedly connected with a detection tube 1 (20) and a detection tube 2 (21) from left to right.

6. A pump core assembly test stand according to claim 1, characterized in that: A switch power supply (22) is fixedly connected to the inner top wall of the base frame (1), a start button (23) is provided on the upper surface of the base frame (1), and a power switch (24) is provided on one side of the base frame (1).

7. A pump core assembly test stand according to claim 1, characterized in that: A control component (25) is fixedly connected to the inner top wall of the base frame (1), and an ammeter (27) and a display screen (26) are fixedly connected to the upper surface of the base frame (1) in sequence from left to right.