Lifting device for automotive suspension
By designing a lifting device for automobile suspension including a suspension pump and a motor, the coordination of the driving gear and the driven gear is used to solve the problem of slow lifting in the prior art, the efficiency improvement of rapid rise or fall is achieved, and the stability and leakage protection of the device are ensured through the design of seals and bearings.
Patent Information
- Application Number
- CN202421935351.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The descent process of existing automobile suspension lifting devices is slow and cannot decline rapidly, which affects working efficiency.
A lifting device for automobile suspension including a suspension pump, a motor, an oil inlet pipe and an oil outlet pipe is designed. The suspension pump is driven by the motor and the coupling of the driving gear is used to quickly pump in or recover hydraulic oil to achieve rapid rise or fall.
Improves the working efficiency of the car suspension to rise or fall, ensures a rapid decline function, and prevents oil leakage from the pump chamber through sealing rings and oil seals, and stabilizes the rotation of the motor output shaft through the bearings.
Smart Images

Figure CN222933670U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lifting, and particularly relates to a lifting device for an automobile suspension. Background Art
[0002] The lifting of an automobile suspension depends on a shock absorber. When the automobile suspension rises, it pumps oil by a suspension pump. When the automobile suspension descends, it is controlled by the opening and closing of a valve. When the valve is opened, the shock absorber retracts by relying on the weight of the automobile. This descending process is relatively slow and cannot achieve the purpose of rapid descent. Content of the Utility Model
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a lifting device for an automobile suspension.
[0004] The purpose of the utility model is realized by the following technical solutions:
[0005] A lifting device for an automobile suspension includes a suspension pump, a motor, an oil inlet pipe and an oil outlet pipe. The motor is fixedly arranged at one end of the suspension pump and is used to drive the suspension pump to work. The oil inlet of the suspension pump is hermetically and fixedly connected to an oil tank through the oil inlet pipe, and the oil outlet of the suspension pump is hermetically and fixedly connected to a shock absorber on the suspension through the oil outlet pipe.
[0006] Further, the suspension pump includes a pump body, a pump base, a driving gear, a driven gear and a driven shaft. The pump base is fixedly arranged on the motor, the pump body is hermetically and fixedly arranged on the pump base. A pump chamber is arranged in the pump body, and the driving gear and the driven gear are arranged in the pump chamber. The driving gear meshes with the driven gear. The output shaft of the motor passes through the pump base and is fixedly connected to the driving gear. The output shaft of the motor is hermetically matched with the pump base. The driven gear is rotatably arranged on the driven shaft. One end of the driven shaft is arranged on the pump base, and the other end of the driven shaft is arranged at the bottom of the pump chamber. An oil inlet channel is arranged between the pump chamber and the oil inlet, and an oil outlet channel is arranged between the pump chamber and the oil outlet.
[0007] Further, a sealing ring is arranged between the pump base and the pump body.
[0008] Further, a sealing groove matched with the sealing ring is arranged on the pump base.
[0009] Further, a bearing is arranged in the pump body, and the end of the output shaft of the motor is arranged in the bearing.
[0010] Furthermore, a stepped hole is provided on the pump base and is adapted to the output shaft of the motor, and an oil seal is provided between the inner wall of the stepped hole and the outer wall of the output shaft of the motor.
[0011] Furthermore, a controller housing is fixedly provided at the end of the motor, a controller is fixedly provided inside the controller housing, and the controller is electrically connected to the motor.
[0012] Furthermore, the motor is a brushless motor.
[0013] Furthermore, the pump body and the pump base are fixed to the motor by bolts.
[0014] Furthermore, the sealing ring is a rubber sealing ring.
[0015] The beneficial effects of the present utility model are as follows:
[0016] 1) In the present technology, under the action of the motor and the suspension pump, when the vehicle suspension needs to rise, the motor is controlled to rotate to drive the suspension pump to work and pump oil into the shock absorber. When the vehicle suspension needs to descend, by controlling the motor to rotate to drive the suspension pump to work, the oil in the shock absorber can quickly return to the fuel tank, effectively improving the working efficiency of the vehicle suspension rising or descending.
[0017] 2) In the present technology, the sealing ring and the oil seal are provided, which can effectively prevent oil leakage from the pump chamber.
[0018] 3) In the present technology, the bearing is provided to make the output shaft of the motor rotate more stably. Description of the Drawings
[0019] Figure 1 is the three-dimensional connection structure diagram of the present lifting device;
[0020] Figure 2 is the exploded structure diagram of the present lifting device;
[0021] Figure 3 is the internal connection structure diagram of the motor and the suspension pump;
[0022] Figure 4 is the connection structure diagram of the oil inlet channel and the oil outlet channel in the pump body;
[0023] In the figure, 1 - motor, 2 - oil inlet pipe, 3 - oil outlet pipe, 4 - pump body, 5 - pump base, 6 - driving gear, 7 - driven gear, 8 - driven shaft, 9 - pump chamber, 10 - oil inlet channel, 11 - oil outlet channel, 12 - sealing ring, 13 - sealing groove, 14 - bearing, 15 - stepped hole, 16 - oil seal, 17 - controller housing, 18 - controller. Detailed Embodiments
[0024] Next, the technical solution of the present utility model will be clearly and completely described in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present utility model.
[0025] Refer to Figures 1 - 4 , the present utility model provides a technical solution:
[0026] A lifting device for an automobile suspension, comprising a suspension pump, a motor 1, an oil inlet pipe 2 and an oil outlet pipe 3. The motor 1 is fixedly arranged at one end of the suspension pump and is used to drive the suspension pump to work. The oil inlet of the suspension pump is hermetically and fixedly connected to the fuel tank through the oil inlet pipe 2, and the oil outlet of the suspension pump is hermetically and fixedly connected to the shock absorber on the suspension through the oil outlet pipe 3. The motor 1 is a brushless motor in the prior art, or a brushed motor in the prior art can also be selected. Among them, the function of the motor 1 is to drive the suspension pump to work. When the automobile suspension needs to rise, the motor 1 drives the suspension pump to rotate forward, and the hydraulic oil in the fuel tank enters the shock absorber after passing through the oil inlet pipe 2, the suspension pump and the oil outlet pipe 3 in sequence; when the automobile suspension needs to descend, the motor 1 drives the suspension pump to rotate reversely, and the hydraulic oil in the shock absorber returns to the fuel tank after passing through the oil outlet pipe 3, the suspension pump and the oil inlet pipe 2 in sequence.
[0027] In some embodiments, the suspension pump includes a pump body 4, a pump base 5, a driving gear 6, a driven gear 7 and a driven shaft 8. The pump base 5 is fixedly arranged on the motor 1, the pump body 4 is hermetically and fixedly arranged on the pump base 5. A pump chamber 9 is arranged in the pump body 4, a driving gear 6 and a driven gear 7 are arranged in the pump chamber 9, the driving gear 6 meshes with the driven gear 7, the output shaft of the motor 1 passes through the pump base 5 and is fixedly connected to the driving gear 6, the output shaft of the motor 1 is hermetically matched with the pump base 5, the driven gear 7 is rotatably arranged on the driven shaft 8, one end of the driven shaft 8 is arranged on the pump base 5, the other end of the driven shaft 8 is arranged at the bottom of the pump chamber 9, an oil inlet channel 10 is arranged between the pump chamber 9 and the oil inlet, and an oil outlet channel 11 is arranged between the pump chamber 9 and the oil outlet. The pump body 4 and the pump base 5 are fixed on the motor 1 by bolts. Among them, the output shaft of the motor 1 drives the driving gear 6 to rotate, the driving gear 6 drives the driven gear 7 to rotate on the driven shaft 8. When the automobile suspension needs to rise, the hydraulic oil enters from the oil inlet channel 10, is pressurized by the cooperation of the driving gear 6 and the driven gear 7 and then discharged from the oil outlet channel 11 and enters the shock absorber; when the automobile suspension needs to descend, the hydraulic oil of the shock absorber enters from the oil outlet channel 11, and then returns to the fuel tank through the oil inlet channel 10 after being pressurized by the cooperation of the driving gear 6 and the driven gear 7.
[0028] In some embodiments, a sealing ring 12 is provided between the pump base 5 and the pump body 4. A sealing groove 13 is provided on the pump base 5 and is adapted to the sealing ring 12. The sealing ring 12 is a rubber sealing ring in the prior art. Among them, the provision of the sealing groove 13 better seals between the pump base 5 and the pump body 4 to prevent oil leakage.
[0029] In some embodiments, a bearing 14 is provided inside the pump body 4, and the end of the output shaft of the motor 1 is disposed inside the bearing 14. Among them, the bearing 14 is provided on the end of the output shaft of the motor 1, so that the output shaft of the motor 1 rotates more stably and prevents the output shaft of the motor 1 from wobbling during rotation.
[0030] In some embodiments, a stepped hole 15 adapted to the output shaft of the motor 1 is provided on the pump base 5, and a oil seal 16 is provided between the inner wall of the stepped hole 15 and the outer wall of the output shaft of the motor 1. Among them, the oil seal 16 is in the prior art, and its function is to seal the inner wall of the stepped hole 15 and the outer wall of the output shaft of the motor 1 to prevent oil leakage from the gap between the inner wall of the stepped hole 15 and the outer wall of the output shaft of the motor 1.
[0031] In some embodiments, a controller housing 17 is fixedly provided at the end of the motor 1, and a controller 18 is fixedly provided inside the controller housing 17. The controller 18 is electrically connected to the motor 1. Among them, the provision of the controller housing 17 is used to protect the controller 18. The controller 18 is in the prior art, and its function is to control the forward or reverse rotation of the motor 1 through the controller 18, and can also control the rotation speed of the motor 1.
[0032] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "inner", "front part", "center", "both ends", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.
[0033] In the present invention, unless otherwise clearly specified and defined, the terms "installation", "setting", "connection", "fixation", "hinged" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0034] The above are only the preferred embodiments of the present utility model. It should be understood that the present utility model is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the concept described herein through the above teachings or the technology or knowledge in the relevant field. As long as the changes and variations made by those skilled in the art do not depart from the spirit and scope of the present utility model, they should all be within the protection scope of the appended claims of the present utility model.
Claims
1. A lifting device for automobile suspension, characterized in that: It comprises a suspension pump, a motor (1), an oil inlet pipe (2) and an oil outlet pipe (3), wherein the motor (1) is fixedly arranged on one end of the suspension pump and is used to drive the suspension pump to work, the oil inlet of the suspension pump is sealed and fixedly connected to the oil tank through the oil inlet pipe (2), and the oil outlet of the suspension pump is sealed and fixedly connected to the shock absorber on the suspension through the oil outlet pipe (3); The suspension pump comprises a pump body (4), a pump base (5), a driving gear (6), a driven gear (7) and a driven shaft (8); the pump base (5) is fixedly arranged on the motor (1); the pump body (4) is sealed and fixedly arranged on the pump base (5); a pump cavity (9) is arranged in the pump body (4); the driving gear (6) and the driven gear (7) are arranged in the pump cavity (9); the driving gear (6) is meshed with the driven gear (7); the output shaft of the motor (1) passes through the The pump base (5) is fixedly connected to the driving gear (6), the output shaft of the motor (1) is sealed and matched with the pump base (5), the driven gear (7) is rotatably arranged on the driven shaft (8), one end of the driven shaft (8) is arranged on the pump base (5), and the other end of the driven shaft (8) is arranged on the bottom of the pump chamber (9), an oil inlet channel (10) is arranged between the pump chamber (9) and the oil inlet, and an oil outlet channel (11) is arranged between the pump chamber (9) and the oil outlet.
2. A lifting device for automobile suspension according to claim 1, characterized in that: A sealing ring (12) is provided between the pump base (5) and the pump body (4).
3. A lifting device for automobile suspension according to claim 2, characterized in that: The pump base (5) is provided with a sealing groove (13) which cooperates with the sealing ring (12).
4. A lifting device for automobile suspension according to any one of claims 1 to 3, characterized in that: A bearing (14) is arranged inside the pump body (4), and the end of the output shaft of the motor (1) is arranged inside the bearing (14).
5. A lifting device for automobile suspension according to any one of claims 1 to 3, characterized in that: The pump base (5) is provided with a stepped hole (15) that matches the output shaft of the motor (1), and an oil seal (16) is provided between the inner wall of the stepped hole (15) and the outer wall of the output shaft of the motor (1).
6. A lifting device for automobile suspension according to any one of claims 1 to 3, characterized in that: A controller housing (17) is fixedly arranged on the end of the motor (1), a controller (18) is fixedly arranged inside the controller housing (17), and the controller (18) is electrically connected to the motor (1).
7. A lifting device for automobile suspension according to any one of claims 1 to 3, characterized in that: The motor (1) is a brushless motor.
8. A lifting device for automobile suspension according to any one of claims 1 to 3, characterized in that: The pump body (4) and the pump base (5) are fixed to the motor (1) by means of bolts.
9. A lifting device for automobile suspension according to claim 2 or 3, characterized in that: The sealing ring (12) is a rubber sealing ring.