A gear-type oil pump testing device
By introducing a fan box and heating wire into the oil pump testing device to simulate temperature changes, the problem that existing devices cannot simulate the effects of temperature is solved, achieving efficient testing and noise control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TAICANG PRIMAN PRECISION MFG CO LTD
- Filing Date
- 2025-07-02
- Publication Date
- 2026-07-31
AI Technical Summary
Existing oil pump testing equipment lacks temperature regulation function and cannot simulate the relationship between oil pump outlet pressure and flow rate at different temperatures.
A gear-type oil pump testing device was designed, comprising an oil pump testing base station, a testing platform, a digital display LCD screen, and a fan box. The fan box contains an air pump and heating wire, which are connected to a soundproof protective cover through a guide pipe to simulate test conditions at different temperatures. Noise is reduced by using soundproof felt and fiberglass partitions.
It enables testing the relationship between oil pump outlet pressure and flow rate at different temperatures, with short testing time and high efficiency. At the same time, it reduces the transmission of oil pump noise and protects the health of staff.
Smart Images

Figure CN224579459U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of oil pump testing technology, and in particular to a gear-type oil pump testing device. Background Technology
[0002] An oil pump is a device in a lubrication system that forces engine oil from the oil pan to the moving parts of the engine. Currently, there are many types of oil pumps on the market. With the development of society, oil pumps are used in all aspects of life. Oil pumps need to undergo strict inspection before leaving the factory. If an oil pump leaves the factory without inspection, it will cause serious reputational damage to the manufacturer, resulting in certain economic losses. Existing technology, such as the horizontal oil pump testing device disclosed in patent publication number CN104153983A, includes a frame, a fixture system, a power system, a piping system, and a testing system. The power system is connected to and transmits torque to the fixture system. The oil pump is mounted on the fixture system, and the piping system is connected to the oil pump. The testing system is mounted on the piping system and performs testing. The fixture system includes an adjusting bracket, a drive shaft, and a test plate. The drive shaft passes through the adjusting bracket, with one end connected to the power system and the other end passing through the test plate, where a main gear is mounted. The oil pump is mounted on the test plate, and a secondary gear is mounted on the oil pump. The main gear and secondary gear mesh to form a gear assembly made of tempered carbon steel. The oil pump is tightly fitted and sealed to the test plate. The test plate has an oil inlet and an oil outlet connected to the oil pump. The piping system is connected to the inlets of the oil inlet and the oil outlet, respectively. This design provides a simple testing device structure, convenient testing, accurate testing performance, and a long service life.
[0003] The aforementioned test device has the following drawbacks: it lacks temperature regulation function and cannot simulate the relationship between the oil pump outlet pressure and flow rate at different temperatures. Therefore, we have designed a gear-type oil pump test device. Utility Model Content
[0004] The purpose of this invention is to provide a gear-type oil pump testing device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a gear-type oil pump testing device, comprising an oil pump testing base station, a testing platform, and a digital display LCD screen. The testing platform is installed on the top of the oil pump testing base station. An oil pump carrier plate is provided on one side of the top of the testing platform. A soundproof protective cover is installed on the top of the oil pump carrier plate. A fan box is installed on the other side of the top of the testing platform. An air pump is installed inside the fan box via a bracket. An air outlet is installed at the output end of the air pump. A heating wire is provided at the air outlet of the air outlet. A flow guide pipe is installed at one end of the fan box. One end of the flow guide pipe is connected to the air vent of the soundproof protective cover via a flexible joint. A flow regulating valve is installed at the top of the flow guide pipe.
[0006] Preferably, the top of the oil pump carrier plate has two bolt mounting holes, and the side of the top of the oil pump carrier plate has a square through hole. An oil pump limiting bracket is also installed inside the soundproof protective cover, and the insertion part of the oil pump limiting bracket is inserted into the square through hole.
[0007] Preferably, the inner wall of the soundproof protective cover is fitted with a soundproof felt, and the side of the soundproof felt is fitted with a fiberglass partition.
[0008] Preferably, a limiting post is provided on one side of the oil pump carrier plate, and the limiting post is connected to the insertion part of the oil pump limiting frame.
[0009] Preferably, one side of the soundproof protective cover is provided with an oil inlet pipe and an oil outlet pipe, and one end of the oil inlet pipe and one end of the oil outlet pipe are equipped with quick-connect couplings.
[0010] Preferably, the digital display LCD screen is installed on the top of the front of the oil pump test base station, and a control knob is provided on one side of the front of the oil pump test base station, the control knob being connected to the digital display LCD screen.
[0011] The technical effects and advantages of this utility model are as follows:
[0012] (1) The present invention provides a gear-type oil pump testing device. By installing a fan box at the top of the testing platform, an air pump and heating wire are installed inside the fan box through a bracket. A guide pipe is installed at one end of the fan box, and the other end of the guide pipe is connected to the air outlet of the soundproof protective cover through a flexible joint. This can simulate the change relationship between the oil pump outlet pressure and flow rate at different temperatures. The test time is short and the test efficiency is high. At the same time, the soundproof protective cover is set to wrap the oil pump to form a sealed space. The soundproof felt and fiberglass partition can effectively reduce the transmission of oil pump noise and ensure the health of the staff. Attached Figure Description
[0013] Figure 1This is a three-dimensional structural diagram of the present invention.
[0014] Figure 2 This is a schematic diagram of the structure of the soundproof protective cover of this utility model.
[0015] Figure 3 This is a schematic diagram of the structure of the fan box of this utility model.
[0016] In the diagram: 1. Oil pump test base station; 2. Test platform; 3. Oil pump carrier plate; 4. Sound insulation protective cover; 5. Digital display LCD screen; 6. Control knob; 7. Fan box; 8. Guide pipe; 9. Flow regulating valve; 10. Oil inlet pipe; 11. Oil outlet pipe; 12. Quick connection connector; 13. Oil pump limit bracket; 14. Limiting pin; 15. Bolt mounting hole; 16. Sound insulation felt; 17. Fiberglass partition; 18. Square perforation; 19. Air pump; 20. Heating wire; 21. Air outlet bowl. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] This utility model provides, for example Figure 1-3 A gear-type oil pump testing device is shown.
[0019] Example 1: The testing device includes an oil pump test base station 1, a test platform 2, and a digital display LCD screen 5. The test platform 2 is installed on the top of the oil pump test base station 1, and the digital display LCD screen 5 is installed on the top of the front of the oil pump test base station 1. An oil pump carrier plate 3 is set on one side of the top of the test platform 2, and a sound insulation protective cover 4 is installed on the top of the oil pump carrier plate 3. A fan box 7 is installed on the other side of the top of the test platform 2. An air pump 19 is installed inside the fan box 7 through a bracket. An air outlet 21 is installed at the output end of the air pump 19. A heating wire 20 is installed at the air outlet of the air outlet 21. A flow guide pipe 8 is installed at one end of the fan box 7. One end of the flow guide pipe 8 is connected to the air outlet of the sound insulation protective cover 4 through a flexible joint. A flow regulating valve 9 is installed at the top of the flow guide pipe 8.
[0020] In use: Place the oil pump on the oil pump carrier plate 3. The oil pump carrier plate 3 has two bolt mounting holes 15. The oil pump is fixed by bolts. The oil pump limit bracket 13 is also installed inside the soundproof protective cover 4 to further reinforce the oil pump. Connect the connectors of the oil inlet pipe 10 and the oil outlet pipe 11 to the oil inlet and outlet positions of the oil pump. Then connect the quick connector 12 to the oil tank position of the oil pump test base station 1. Start the test by controlling the knob 6. Use the control knob 6 to change the heating temperature of the heating wire 20 to simulate the change relationship between the oil pump outlet pressure and flow rate at different temperatures.
[0021] Furthermore, in order to ensure the stability of the connection between the oil pump limit bracket 13 and the oil pump, a limit pin 14 is provided on one side of the oil pump carrier plate 3, and the limit pin 14 is connected to the insertion part of the oil pump limit bracket 13.
[0022] Example 2: The testing device includes an oil pump test base station 1, a test platform 2, and a digital display LCD screen 5. The test platform 2 is installed on the top of the oil pump test base station 1, and the digital display LCD screen 5 is installed on the top of the front of the oil pump test base station 1. An oil pump carrier plate 3 is installed on one side of the top of the test platform 2. A soundproof protective cover 4 is installed on the top of the oil pump carrier plate 3. A soundproof felt 16 is installed on the inner wall of the soundproof protective cover 4. A fiberglass partition 17 is installed on the side of the soundproof felt 16. A fan box 7 is installed on the other side of the top of the test platform 2. An air pump 19 is installed inside the fan box 7 through a bracket. An air outlet 21 is installed at the output end of the air pump 19. A heating wire 20 is installed at the air outlet of the air outlet 21. A flow guide pipe 8 is installed at one end of the fan box 7. One end of the flow guide pipe 8 is connected to the air outlet of the soundproof protective cover 4 through a flexible joint. A flow regulating valve 9 is installed at the top of the flow guide pipe 8.
[0023] The purpose of this solution is to effectively reduce the transmission of oil pump noise and ensure the health of the staff.
[0024] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.
Claims
1. A gear type oil pump testing device, comprising an oil pump testing base station (1), a testing platform (2) and a digital display liquid crystal screen (5), characterized in that, The test platform (2) is installed on the top of the oil pump test base station (1). An oil pump carrier plate (3) is provided on one side of the top of the test platform (2). A soundproof protective cover (4) is installed on the top of the oil pump carrier plate (3). A fan box (7) is installed on the other side of the top of the test platform (2). An air pump (19) is installed inside the fan box (7) through a bracket. An air outlet bowl (21) is installed at the output end of the air pump (19). A heating wire (20) is provided at the air outlet of the air outlet bowl (21). A flow guide pipe (8) is installed at one end of the fan box (7). One end of the flow guide pipe (8) is connected to the air outlet of the soundproof protective cover (4) through a flexible joint. A flow regulating valve (9) is installed at the top of the flow guide pipe (8).
2. A gear type oil pump test device according to claim 1, wherein The top of the oil pump carrier plate (3) has two bolt mounting holes (15), and the side of the top of the oil pump carrier plate (3) has a square through hole (18). The inside of the soundproof protective cover (4) is also equipped with an oil pump limit bracket (13), and the insertion part of the oil pump limit bracket (13) is inserted into the square through hole (18).
3. A gear type oil pump testing device according to claim 2, wherein The inner wall of the soundproof protective cover (4) is fitted with a soundproof felt (16), and the side of the soundproof felt (16) is fitted with a fiberglass partition (17).
4. A gear type oil pump testing device according to claim 2, wherein A limiting post (14) is provided on one side of the oil pump carrier plate (3), and the limiting post (14) is connected to the insertion part of the oil pump limiting frame (13).
5. A gear type oil pump testing device according to claim 1, wherein The soundproof protective cover (4) is provided with an oil inlet pipe (10) and an oil outlet pipe (11) on one side. A quick connection connector (12) is installed at one end of the oil inlet pipe (10) and one end of the oil outlet pipe (11).
6. A gear type oil pump testing device according to claim 1, wherein The digital display LCD screen (5) is installed on the top of the front of the oil pump test base station (1). A control knob (6) is provided on one side of the front of the oil pump test base station (1). The control knob (6) is connected to the digital display LCD screen (5).