CN218543126U - Exhaust structure of speed reducer for automobile - Google Patents
Exhaust structure of speed reducer for automobile Download PDFInfo
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- CN218543126U CN218543126U CN202223131095.XU CN202223131095U CN218543126U CN 218543126 U CN218543126 U CN 218543126U CN 202223131095 U CN202223131095 U CN 202223131095U CN 218543126 U CN218543126 U CN 218543126U
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Abstract
The utility model discloses an exhaust structure of reduction gear for car, including first casing and set up in first fender oil muscle, second fender oil muscle, third fender oil muscle, fourth fender oil muscle and fifth fender oil muscle in the first casing, second fender oil muscle, third fender oil muscle, fourth fender oil muscle and fifth fender oil muscle lie in first fender oil muscle with one side and second fender oil muscle, third fender oil muscle, fourth fender oil muscle and fifth fender oil muscle have the clearance between the machined surface of first casing, set up the breather plug mounting hole on the first casing, the breather plug mounting hole is arranged between fourth fender oil muscle and fifth fender oil muscle. The utility model discloses an exhaust structure of reduction gear for car can realize the oil removal and exhaust, effectively improves reduction gear exhaust effect, can effectively utilize shell space structure again, reduces the casing design and the casting degree of difficulty.
Description
Technical Field
The utility model belongs to the technical field of the reduction gear, specifically speaking, the utility model relates to an exhaust structure of reduction gear for car.
Background
In recent years, new energy automobiles including pure electric automobiles are produced, and the advantages of high efficiency, environmental protection, energy conservation, portability and the like of the electric automobiles in real life are brought into play by combining the fusion of high-performance driving motors and control technologies. The electric automobile solves the energy crisis and the environmental pollution, and greatly contributes to relieving the global automobile industry financial crisis and the new energy environmental problem in the process of technical innovation.
In the running process of the new energy automobile, the motor drives the speed reducer, and the speed reducer transmits power to the wheels. The power supplies provide the electric energy for the motor, and the motor turns into the mechanical energy with the electric energy of power, and the mechanical energy passes through the reduction gear and transmits the wheel. As a power transmission junction, the performance of the speed reducer is closely related to the overall performance and driving feeling of the new energy automobile.
A typical speed reducer includes a housing, shaft teeth, bearings, and associated accessories. The speed reducer transmits power through gear engagement, fixes the transmission ratio and plays a role in reducing speed and increasing torque. In the working process of the speed reducer, the gear rotates at a high speed, the temperature in the shell rises, air expands, and the pressure in the shell increases, so that a corresponding exhaust structure is needed to keep the internal and external pressure balance of the speed reducer, and lubricating oil is prevented from leaking and seeping along the joint of the shell or oil seals, ventilation plugs and other positions under high pressure.
At present, the exhaust structure of the electric automobile speed reducer is mainly characterized in that a vent plug is arranged above the speed reducer, and an oil blocking rib is arranged inside a shell to form a semi-closed oil separation cavity. Because the space of the oil separation chamber is small, oil can be easily stored, the oil return is slow, the phenomenon of blockage failure of the vent plug or oil spilling at the vent plug is easily caused, and the exhaust effect of the speed reducer is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an exhaust structure of reduction gear for car, the purpose effectively improves reduction gear exhaust effect.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the exhaust structure of the automobile speed reducer comprises a first shell, a first oil blocking rib, a second oil blocking rib, a third oil blocking rib, a fourth oil blocking rib and a fifth oil blocking rib, wherein the first oil blocking rib, the second oil blocking rib, the fourth oil blocking rib and the fifth oil blocking rib are arranged in the first shell, the second oil blocking rib, the third oil blocking rib, the fourth oil blocking rib and the fifth oil blocking rib are located on the same side of the first oil blocking rib, the second oil blocking rib, the third oil blocking rib, a gap is formed between the fourth oil blocking rib and the fifth oil blocking rib and the machining face of the first shell, a vent plug mounting hole is formed in the first shell, and the vent plug mounting hole is formed between the fourth oil blocking rib and the fifth oil blocking rib.
The fourth oil retaining rib and the fifth oil retaining rib are arranged in a crossed mode.
One end of the fourth oil blocking rib is connected with the first inner wall face of the first shell, the other end of the fourth oil blocking rib is connected with the first oil blocking rib, one end of the fifth oil blocking rib is connected with the second inner wall face of the first shell, the other end of the fifth oil blocking rib is connected with the first oil blocking rib, and gaps are reserved between the fourth oil blocking rib and the machining face of the first shell as well as between the fifth oil blocking rib and the machining face of the first shell.
One end of the second oil retaining rib is connected with the first inner wall surface of the first shell, the other end of the second oil retaining rib is connected with the first oil retaining rib, and a gap is formed between the second oil retaining rib and the processing surface of the first shell.
One end of the third oil blocking rib is connected with the second inner wall face of the first shell, the other end of the third oil blocking rib is connected with the first oil blocking rib, and a gap is formed between the third oil blocking rib and the machining face of the first shell.
One end of the first oil blocking rib is provided with a first concave cavity, the end of the first oil blocking rib is connected with the first inner wall surface of the first shell, and the other end of the first oil blocking rib is provided with a second concave cavity, the end of the first oil blocking rib is connected with the second inner wall surface of the first shell.
The utility model discloses an exhaust structure of reduction gear for car can realize the oil removal and exhaust, effectively improves reduction gear exhaust effect, can effectively utilize shell space structure again, reduces the casing design and the casting degree of difficulty.
Drawings
The description includes the following figures, the contents shown are respectively:
fig. 1 is a schematic structural view of an exhaust structure of a speed reducer for an automobile according to the present invention;
labeled as: 1. a first housing; 2. a first oil blocking rib; 3. a first concave cavity; 4. a second concave cavity; 5. a second oil retaining rib; 6. a third oil retaining rib; 7. a fourth oil blocking rib; 8. a fifth oil blocking rib; 9. a vent plug mounting hole; 10. processing the dough; 11. a contact surface.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.
As shown in fig. 1, the utility model provides an exhaust structure of reduction gear for car, including first casing 1 and set up the first oil muscle 2 that keeps off in first casing 1, the second keeps off oil muscle 5, the third keeps off oil muscle 6, the fourth keeps off oil muscle 7 and the fifth oil muscle 8 that keeps off, the second keeps off oil muscle 5, the third keeps off oil muscle 6, the fourth keeps off oil muscle 7 and the fifth oil muscle 8 is located the first oil muscle 2 that keeps off with one side and the second keeps off oil muscle 5, the third keeps off oil muscle 6, the fourth keeps off oil muscle 7 and the fifth oil muscle 8 and has the clearance between the machined surface 10 of first casing 1, set up breather plug mounting hole 9 on first casing 1, breather plug mounting hole 9 arranges that the fourth keeps off oil muscle 7 and the fifth oil muscle 8 that keep off.
Specifically, as shown in fig. 1, the second oil blocking rib 5, the third oil blocking rib 6, the fourth oil blocking rib 7, and the fifth oil blocking rib 8 are located on one side of the first oil blocking rib 2, and the gear disposed in the first housing 1 is located on the other side of the first oil blocking rib 2. One end of the first oil blocking rib 2 is provided with a first concave cavity 3, and the end of the first oil blocking rib 2 is connected with the first inner wall surface of the first shell 1, and the other end of the first oil blocking rib 2 is provided with a second concave cavity 4, and the end of the first oil blocking rib 2 is connected with the second inner wall surface of the first shell 1. The first concave cavity 3 and the second concave cavity 4 are located at two opposite ends of the first oil blocking rib 2 in the length direction, the length direction of the first oil blocking rib 2 is perpendicular to the axis of the gear in space, a certain gap is formed between the first concave cavity 3 and the first concave cavity 4 and the processing surface 10 of the first shell 1, and a channel allowing gas to pass through is formed at the first concave cavity 3 and the second concave cavity 4. The reducer further comprises a second housing (not shown in the figures), which is fixedly connected to the first housing 1 to form a closed housing assembly. The machined surface 10 of first casing 1 is the surface of laminating mutually with the second casing on the first casing 1, the machined surface 10 of first casing 1 is mutually perpendicular with the axis of gear, the first internal face and the second internal face of first casing 1 are for lieing in two internal faces of first casing 1 inside, first internal face and second internal face are mutually perpendicular and first internal face and second internal face are connected with the inward flange of machined surface 10 with machined surface 10, first internal face and second internal face personally submit the V-arrangement. The first oil blocking rib 2 is provided with a contact surface 11 which is in contact with the second shell, the contact surface 11 is a plane parallel to the processing surface 10 of the first shell 1 and is flush with the processing surface, the contact surface 11 is positioned between the first concave cavity 3 and the second concave cavity 4, and the length of the contact surface 11 is greater than that of the first concave cavity 3 and that of the second concave cavity 4.
As shown in fig. 1, the second oil blocking rib 5, the third oil blocking rib 6, the fourth oil blocking rib 7 and the fifth oil blocking rib 8 are located in a cavity formed by the first oil blocking rib 2 and the first inner wall surface and the second inner wall surface of the first housing 1 in an enclosing manner, the second oil blocking rib 5, the fifth oil blocking rib 8, the fourth oil blocking rib 7 and the third oil blocking rib 6 are sequentially arranged along the length direction of the first oil blocking rib 2, the second oil blocking rib 5, the third oil blocking rib 6, the fourth oil blocking rib 7 and the fifth oil blocking rib 8 are fixedly arranged on the third inner wall surface of the first housing 1, and the third inner wall surface of the first housing 1 is an inner wall surface parallel to the processing surface 10 in the first housing 1. The fourth oil blocking rib 7 and the fifth oil blocking rib 8 are arranged in a crossed mode, oil can be blocked, the structure can be firmer, and the fourth oil blocking rib 7 is fixedly connected with the fifth oil blocking rib 8. One end of the fourth oil retaining rib 7 is connected with the first inner wall surface of the first casing 1, the other end of the fourth oil retaining rib 7 is connected with the first oil retaining rib 2, one end of the fifth oil retaining rib 8 is connected with the second inner wall surface of the first casing 1, and the other end of the fifth oil retaining rib 8 is connected with the first oil retaining rib 2. The fourth keeps off and has certain clearance between oily muscle 7 and the fifth machined surface 10 that keeps off oily muscle 8 and first casing 1, and the fourth keeps off the thickness that oily muscle 7 and fifth kept off oily muscle 8 and is less than the thickness of first fender oily muscle 2 and is less than the vertical distance between the machined surface 10 of first casing 1 and the third internal face, ensures that gas can pass through, and the thickness direction that first fender oily muscle 2, fourth kept off oily muscle 7 and fifth fender oily muscle 8 parallels with the axis of gear. The vent plug is installed at the vent plug installation hole 9, the vent plug is used for exhausting air outwards, and the vent plug installation hole 9 is arranged at the joint of the first inner wall surface and the second inner wall surface of the first shell 1.
As shown in fig. 1, one end of the second oil blocking rib 5 is connected to the first inner wall surface of the first casing 1, and the other end of the second oil blocking rib 5 is connected to the first oil blocking rib 2. Certain clearance has between the machined surface 10 of second fender oil muscle 5 and first casing 1, and the thickness that second fender oil muscle 5 is less than the thickness of first fender oil muscle 2 and is less than the vertical distance between the machined surface 10 of first casing 1 and the third internal face, ensures that gas can pass through, and the thickness direction that second fender oil muscle 5 parallels with the axis of gear.
As shown in fig. 1, one end of the third oil blocking rib 6 is connected to the second inner wall surface of the first casing 1, and the other end of the third oil blocking rib 6 is connected to the first oil blocking rib 2. Certain clearance has between the machined surface 10 of third fender oil muscle 6 and first casing 1, and the thickness that the third kept off oil muscle 6 is less than the thickness of first fender oil muscle 2 and is less than the vertical distance between the machined surface 10 of first casing 1 and the third internal face, ensures that gas can pass through, and the thickness direction of third fender oil muscle 6 parallels with the axis of gear.
In the reduction gear working process, the gear is high-speed rotatory, the fluid that splashes is by first fender oil muscle 2, the inner wall separation of first casing 1, gas passes first concave cavity 3 and second concave cavity 4 in the reduction gear inner chamber, the second keeps off the clearance between the machined surface 10 of oil muscle 5 and first casing 1, the clearance between the machined surface 10 of third fender oil muscle 6 and first casing 1, the clearance between the machined surface 10 of fourth fender oil muscle 7 and first casing 1, and the clearance between the machined surface 10 of fifth fender oil muscle 8 and first casing 1, reach breather plug mounting hole 9, the discharge of rethread breather plug.
If there is a small amount of fluid that splashes to pass first die cavity 3 and second die cavity 4, also can be kept off oily muscle 5 by the second, third and keep off oily muscle 6, fourth fender oily muscle 7, the further separation of fifth fender oily muscle 8, and fluid can flow into the reduction gear inner chamber again along the inclination of first fender oily muscle 2, and the backward flow is fast, can not deposit oil, and the fluid of reduction gear inner chamber can not block up breather plug mounting hole 9.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (6)
1. Automobile is with exhaust structure of reduction gear, including first casing, its characterized in that: still including set up in first fender oil muscle, second fender oil muscle, third fender oil muscle, fourth fender oil muscle and fifth fender oil muscle in the first casing, second fender oil muscle, third fender oil muscle, fourth fender oil muscle and fifth fender oil muscle lie in first fender oil muscle with one side and the second keep oil muscle, third fender oil muscle, the clearance has between the machined surface of fourth fender oil muscle and fifth fender oil muscle and first casing, set up the breather plug mounting hole on the first casing, the breather plug mounting hole is arranged between fourth fender oil muscle and fifth fender oil muscle.
2. The exhaust structure of a speed reducer for automobiles according to claim 1, characterized in that: the fourth oil blocking rib and the fifth oil blocking rib are arranged in a crossed mode.
3. The exhaust structure of a speed reducer for an automobile according to claim 2, characterized in that: one end of the fourth oil blocking rib is connected with the first inner wall face of the first shell, the other end of the fourth oil blocking rib is connected with the first oil blocking rib, one end of the fifth oil blocking rib is connected with the second inner wall face of the first shell, the other end of the fifth oil blocking rib is connected with the first oil blocking rib, and gaps are reserved between the fourth oil blocking rib and the machined face of the fifth oil blocking rib and the machined face of the first shell.
4. The exhaust structure of a speed reducer for an automobile according to any one of claims 1 to 3, characterized in that: one end of the second oil retaining rib is connected with the first inner wall surface of the first shell, the other end of the second oil retaining rib is connected with the first oil retaining rib, and a gap is formed between the second oil retaining rib and the processing surface of the first shell.
5. The exhaust structure of a speed reducer for an automobile according to any one of claims 1 to 3, characterized in that: one end of the third oil blocking rib is connected with the second inner wall face of the first shell, the other end of the third oil blocking rib is connected with the first oil blocking rib, and a gap is formed between the third oil blocking rib and the machining face of the first shell.
6. The exhaust structure of a speed reducer for automobiles according to any one of claims 1 to 3, characterized in that: one end of the first oil blocking rib is provided with a first concave cavity, the end of the first oil blocking rib is connected with the first inner wall surface of the first shell, the other end of the first oil blocking rib is provided with a second concave cavity, and the end of the first oil blocking rib is connected with the second inner wall surface of the first shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223131095.XU CN218543126U (en) | 2022-11-24 | 2022-11-24 | Exhaust structure of speed reducer for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223131095.XU CN218543126U (en) | 2022-11-24 | 2022-11-24 | Exhaust structure of speed reducer for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218543126U true CN218543126U (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223131095.XU Active CN218543126U (en) | 2022-11-24 | 2022-11-24 | Exhaust structure of speed reducer for automobile |
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| Country | Link |
|---|---|
| CN (1) | CN218543126U (en) |
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- 2022-11-24 CN CN202223131095.XU patent/CN218543126U/en active Active
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