Oil pump structure with compact structure
By changing the internal structure of the oil pump and the external stator leads, the problems of heat dissipation and size optimization of existing electronic oil pumps have been solved, achieving better heat dissipation and size optimization.
Patent Information
- Application Number
- CN202520097255.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Existing electronic oil pumps have a simple structure and cannot meet the requirements for higher heat dissipation and product size optimization.
By changing the internal structure of the oil pump, the oil first flows through the motor cavity and then through the inner and outer rotors. Combined with the external stator leads being immersed in the oil, heat dissipation of the motor and controller is achieved, and the size of the oil pump is optimized.
The heat dissipation of the oil pump has been improved, and the size and function of the oil pump have been optimized to meet higher usage requirements.
Smart Images
Figure CN223563031U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle-mounted oil pump technical field especially relates to a compact structure's oil pump structure. BACKGROUND
[0002] With the development of economy, people's living standard gradually improves, and the car has become one of the public's first choice of means of locomotion. The automobile industry develops rapidly, and with the development of automobile performance to more safe, more reliable, more stable, environmental protection and energy saving direction, in order to ensure the stable operation of automobile power assembly, it needs to be equipped with perfect actuating mechanism, therefore each actuator with motor is used on automobile power assembly in large quantities, including hydraulic actuator, gear shifting actuator, brake booster etc.
[0003] In order to ensure the cooling and lubrication of each part of the engine, an electronic oil pump is needed to provide power for oil circulation, and the electronic oil pump is controlled by the controller system to provide power for the internal motor, drive the impeller (inner and outer rotors) to drive the oil circulation to cool and lubricate the related parts. The current new type of electronic oil pump is composed of a controller, a motor, an inner rotor and an outer rotor. However, the current electronic oil pump structure is single, and cannot meet the higher heat dissipation and product size optimization requirements, therefore it is necessary to improve. SUMMARY
[0004] The utility model provides a compact structure's oil pump structure that can effectively increase the heat dissipation effect of the oil pump and further optimize the size and function of the oil pump. The technical problem of the current electronic oil pump structure being single, the product size and heat dissipation effect being unable to be further optimized, and the higher use requirement being unable to be met in the prior art is solved.
[0005] The above technical problems of the utility model are solved by the following technical scheme: a compact structure's oil pump structure, comprising an oil pump composed of an oil pump shell, a motor, a pump head and a controller, the internal structure of the oil pump is distributed in the order of the motor, the inner and outer rotors and the controller from front to back, and the stator lead-out wire of the oil pump is connected to the PCBA in the controller by passing through the stator end to the outside of the oil pump shell. In the utility model, the original layout method is changed, and when working, the oil first passes through the motor cavity to cool the electrode, and then flows out after passing through the inner and outer rotors, which can achieve good heat dissipation of the motor. The pump head of the utility model is close to the controller, and the inner and outer rotors stir the oil, which can effectively cool the controller. In the utility model, the stator lead-out wire is connected from the outside, and when assembling, the stator lead-out wire is immersed in the oil, which can cool the motor to a certain extent, and on the other hand, the internal size of the oil pump is greatly reduced.
[0006] Preferably, the oil pump shell is integrally formed with a cavity, and the inner and outer rotors of the pump head are assembled in the cavity of the oil pump shell.
[0007] As preferred, the oil pump is in operation, the oil liquid flows out through the motor cavity, the inner rotor and the outer rotor in sequence. The oil pump in the utility model changes the original layout mode, in operation, the oil liquid first passes through the motor cavity, cools the electrode, and then flows out through the inner rotor and the outer rotor, so that the motor can be cooled well; the pump head of the utility model is close to the controller, the inner rotor and the outer rotor agitate the oil liquid, so that the controller can be cooled effectively.
[0008] As preferred, the oil pump is provided with a pump cover at the bottom, and the pump cover is provided with a replaceable filter screen. The structure that the pump head is originally arranged at the bottom end of the oil pump can be used as a fixing device of the rotor, and can be flexibly adjusted according to actual conditions, and the filter screen is assembled.
[0009] As preferred, the stator lead-out wire is routed outside the oil pump, and the stator lead-out wire is immersed in oil during assembly. The stator lead-out wire in the utility model is led out from the outside and connected, and during assembly, the stator lead-out wire is immersed in the oil liquid, so that the motor can be cooled to a certain extent, and on the other hand, the internal size of the oil pump is greatly reduced.
[0010] As preferred, the controller is not provided with an additional lead port. The controller of the oil pump is not provided with an additional lead port, and the consistency and sealing performance are better.
[0011] Therefore, the compact oil pump structure has the following advantages: by changing the internal structure of the oil pump and the external stator lead-out wire, the heat dissipation effect of the oil pump can be effectively improved, the size and function of the oil pump can be further optimized, and higher actual requirements can be met. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is a perspective structural schematic view of the compact oil pump structure of the utility model.
[0013] Figure 2 is Figure 1 a top view sectional structural schematic view.
[0014] Figure 3 is Figure 1 a top view sectional structural schematic view of the stator lead-out wire of
[0015] Figure 4 is Figure 1 a top view structural schematic view of
[0016] In the drawing, the oil pump 1, the oil pump shell 2, the motor 3, the pump head 4, the controller 5, the pump cover 6, the PCBA 7, and the stator lead-out wire 8. DETAILED DESCRIPTION
[0017] The technical scheme of the utility model will be further specifically described below by combining with the drawings.
[0018] Embodiment:
[0019] As Figure 1 And 2 And 3 and 4, a compact oil pump structure, comprising an oil pump 1 consisting of an oil pump housing 2, a motor 3, a pump head 4 and a controller 5, the internal structure of the oil pump 1 is distributed in sequence from front to back as the motor 3, the inner and outer rotors in the pump head 4, and the controller 5; the oil pump 1 works when the oil flows out in turn through the motor 3 cavity, the inner and outer rotors.
[0020] The oil pump housing 2 is integrally formed with a cavity, and the inner and outer rotors of the pump head 4 are assembled in the cavity of the oil pump housing 2; the oil pump 1 is provided with a pump cover 6 at the bottom, and the pump cover 6 is provided with a replaceable filter screen.
[0021] The stator lead-out wire 8 in the oil pump 1 is led out from the stator end to the outside of the oil pump housing 2 and then connected to the PCBA 7 in the controller 5; the stator lead-out wire 8 is wired outside the oil pump 1, and the stator lead-out wire 8 is immersed in oil during assembly.
[0022] The controller 5 has no additional lead port.
[0023] The oil pump 1 in the utility model changes the original layout mode, and when working, the oil first passes through the motor 3 cavity to cool the electrode, and then flows out after passing through the inner and outer rotors, so that the motor 3 can be cooled well; the pump head 4 of the utility model is very close to the controller 5, and the inner and outer rotors agitate the oil, so that the controller 5 can be effectively cooled.
[0024] The structure of the pump head 4 originally installed at the bottom end of the oil pump 1 can be used as a fixing device of the rotor, and can be flexibly adjusted according to the actual situation, and the filter screen and the like are assembled.
[0025] The stator lead-out wire 8 in the utility model is led out from the outside and connected, and during assembly, the stator lead-out wire 8 is immersed in oil, which can cool the motor 3 to a certain extent, and on the other hand, the internal size of the oil pump 1 is greatly reduced; the controller 5 of the oil pump 1 has no additional lead port, and the consistency and sealing are better.
[0026] The specific embodiments described in the present application are only examples of the concept of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.
Claims
1. A compact oil pump structure, characterized in that: The oil pump consists of an oil pump housing, a motor, a pump head, and a controller. The internal structure of the oil pump is arranged from front to back as follows: motor, inner and outer rotors of the pump head, and controller. The stator lead wires inside the oil pump pass through the stator end to the outside of the oil pump housing and then connect to the PCBA inside the controller.
2. The compact oil pump structure according to claim 1, characterized in that: The oil pump housing has an integrally machined cavity, and the inner and outer rotors of the pump head are assembled in the cavity of the oil pump housing.
3. The compact oil pump structure according to claim 1, characterized in that: When the oil pump is working, the oil flows out after passing through the motor cavity, inner and outer rotors in sequence.
4. The compact oil pump structure according to claim 3, characterized in that: The oil pump is equipped with a pump cover at the bottom, and a replaceable filter screen is provided on the pump cover.
5. The compact oil pump structure according to claim 1, characterized in that: The stator leads are routed outside the oil pump and are immersed in oil during assembly.
6. The compact oil pump structure according to claim 1, characterized in that: The controller has no additional lead ports.