CN209762198U - Oil blocking structure of ventilating plug of electric automobile gear box - Google Patents
Oil blocking structure of ventilating plug of electric automobile gear box Download PDFInfo
- Publication number
- CN209762198U CN209762198U CN201822230294.3U CN201822230294U CN209762198U CN 209762198 U CN209762198 U CN 209762198U CN 201822230294 U CN201822230294 U CN 201822230294U CN 209762198 U CN209762198 U CN 209762198U
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- transition sleeve
- shell
- inner cavity
- plug
- electric vehicle
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Abstract
The utility model discloses an electric automobile gear box breather plug keeps off oily structure, include: the transition sleeve is arranged on the shell; the shell is provided with a mounting channel which is communicated with the inside and the outside of the shell; the transition sleeve is arranged in the installation channel from the outside, and two ends of the transition sleeve are exposed out of two sides of the installation channel and are respectively positioned in the shell and outside the shell; the transition sleeve is provided with an inner cavity; the part of the transition sleeve positioned outside the shell is provided with an opening; the vent plug is connected to the transition sleeve and at least partially extends into the inner cavity and covers the opening; the vent plug is communicated with the inner cavity and the outer part of the shell; the part of the transition sleeve extending into the shell is provided with a communication port for communicating the inner cavity with the interior of the shell; the communication port extends in the horizontal direction. The oil blocking structure of the ventilation plug of the gearbox of the electric automobile is simple in structure, capable of effectively protecting the ventilation plug to guarantee the ventilation effect of the ventilation plug, and high in reliability.
Description
Technical Field
The utility model relates to an electric automobile gear box breather plug keeps off oily structure.
Background
The electric automobile gear box has the characteristics of high rotating speed and frequent braking. When the working gear rotates at a high speed, the lubricating oil hits the vent plug at a high speed, and if an oil baffle plate is not arranged, the oil leakage phenomenon of the vent plug is easily caused. When the traditional electric automobile gear box is designed, a groove is cast on the shell, a baffle is fixed at the groove by screws to form a relatively closed cavity, and a gap is reserved between the baffle and the shell and used for communicating the interior of the shell and the vent plug. But the baffle is installed inside the casing, and in case the screw locking is not good, there is baffle or screw risk of droing. And the shell is a casting, and a gap between the shell and the oil baffle plate is larger or smaller, so that the ventilation effect is influenced. Moreover, the gear box is in line with a problem that the conditions of internal parts cannot be observed by means of instruments due to the obstruction of the baffle plates.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric automobile gear box breather plug keeps off oily structure adopts following technical scheme:
An electric automobile gear box breather plug keeps off oily structure, includes: the transition sleeve is arranged on the shell; the shell is provided with a mounting channel which is communicated with the inside and the outside of the shell; the transition sleeve is arranged in the installation channel from the outside, and two ends of the transition sleeve are exposed out of two sides of the installation channel and are respectively positioned in the shell and outside the shell; the transition sleeve is provided with an inner cavity; the part of the transition sleeve positioned outside the shell is provided with an opening; the vent plug is connected to the transition sleeve and at least partially extends into the inner cavity and covers the opening; the vent plug is communicated with the inner cavity and the outer part of the shell; the part of the transition sleeve extending into the shell is provided with a communication port for communicating the inner cavity with the interior of the shell; the communication port extends in the horizontal direction.
Further, the mounting direction of the transition sleeve with respect to the housing is the same as the mounting direction of the vent plug with respect to the transition sleeve.
Furthermore, a central axis is defined by the transition sleeve; the inner cavity extends along the central axis; the extending direction of the communication port is perpendicular to the extending direction of the inner cavity.
furthermore, in the direction of the central axis, one end of the inner cavity is open to form an opening, and the other end of the inner cavity is closed.
Further, the communication port extends to the bottom of the inner cavity.
Further, at least a part of the inner wall surface of the cavity constitutes a cylindrical surface.
Further, the inner wall of the inner cavity is formed with internal threads; the outer wall of the vent plug is provided with an external thread; the vent plug and the transition sleeve form a threaded connection.
furthermore, the vent plug and the transition sleeve form a plug-in connection.
Further, the channel wall of the mounting channel is formed with an internal thread; the outer wall of the transition sleeve is provided with an external thread; the transition sleeve and the shell form a threaded connection.
Furthermore, the transition sleeve and the shell form plug-in connection.
The utility model discloses an useful part lies in the electric automobile gear box that provides and ventilates stopper oil blocking structure and hit lubricating oil when the high-speed rotation of working gear and hit to beat on the transition cover, and the transition cover has horizontally intercommunication mouth, can prevent lubricating oil directly to enter into the inner chamber of transition cover, thereby plays the guard action to the stopper of ventilating and avoids the stopper of ventilating to block and can not realize ventilating. The transition sleeve is installed to the installation channel from the outside, so that an oil baffle plate which is easy to loosen is prevented from being installed in the shell, the disassembly is convenient, the installation structure is stable, and the reliability is high. Meanwhile, after the transition sleeve is disassembled, the condition of parts inside the shell can be observed through the installation channel.
Drawings
Fig. 1 is a cross-sectional view of the ventilation plug oil baffle structure of the electric vehicle gear box of the present invention.
The oil blocking structure comprises an electric automobile gearbox vent plug oil blocking structure 10, a shell 11, a transition sleeve 12, a vent plug 13, an installation channel 111, an inner cavity 121 and a communication port 123.
Detailed Description
the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
as shown in fig. 1, an oil blocking structure 10 of a breather plug of an electric vehicle gearbox includes: a housing 11, a transition piece 12 and a vent plug 13. Specifically, the working parts of the gearbox are all mounted in the housing 11. The lubricant oil injected into the housing 11 is used to lubricate the working parts. The vent plug 13 serves to equalize the air pressure inside and outside the housing 11. The transition sleeve 12 is used for connecting the vent plug 13 and the housing 11 and can prevent lubricating oil carried by the working parts during operation from splashing into the vent plug 13 so as to avoid the blockage of the vent plug 13.
as one solution, the housing 11 is formed with a mounting passage 111. The mounting passage 111 communicates the inside and the outside of the housing 11. The transition sleeve 12 is externally mounted into the mounting channel 111, and both ends of the transition sleeve 12 are exposed to both sides of the mounting channel 111. At this time, both ends of the transition sleeve are located inside the housing 11 and outside the housing 11, respectively. The transition piece 12 defines an internal cavity 121. The portion of the transition sleeve 12 located outside the housing 11 is formed with an opening. A vent plug 13 is connected to the transition piece 12. The vent plug 13 extends at least partially into the internal cavity 121 and covers the opening. The vent plug 13 communicates the interior chamber 121 and the exterior of the housing 11. The portion of the transition sleeve 12 extending into the housing 11 is formed with a communication port 123. The communication port 123 communicates the inner cavity 121 and the interior of the housing 11. The communication port 123 extends in the horizontal direction.
Specifically, the communication port 123 communicates the inner cavity 121 and the inside of the housing 11, and the vent plug 13 communicates the inner cavity 121 and the outside of the housing 11, so that the vent plug 13 communicates the inside and the outside of the housing 11 through the inner cavity 121 and the communication port 123 to achieve the balance of the air pressure inside and outside the housing 11. The communication opening 123 extends along the horizontal direction, so that lubricating oil carried by working parts in the shell 11 during working can not splash into the inner cavity 121, the vent plug 13 is prevented from being blocked, and the ventilation effect of the vent plug 13 is ensured. The transition sleeve 12 is mounted on the mounting passage 111 from the outside of the housing 11, and the mounting structure is simple and easy to detach, and new parts can be replaced at any time according to project requirements.
as a preferred embodiment, the mounting direction of the transition sleeve 12 with respect to the housing 11 is the same as the mounting direction of the vent plug 13 with respect to the transition sleeve 12.
In a preferred embodiment, the transition sleeve 12 defines a central axis. The lumen 121 extends along a central axis. The communication port 123 extends in a direction perpendicular to the extending direction of the cavity 121.
In a preferred embodiment, one end of the inner cavity 121 is open to form an opening, and the other end of the inner cavity 121 is closed in the central axis direction.
As a preferred embodiment, the communication port 123 extends to the bottom of the inner cavity 121. The bottom of the inner cavity 121 is provided with a horizontally extending communication port 123, so that the installation in a 360-degree direction can be freely rotated and is not restricted by the installation direction.
In a preferred embodiment, at least a portion of the inner wall surface of the cavity 121 forms a cylindrical surface.
In a preferred embodiment, the inner wall of the cavity 121 is formed with internal threads. The outer wall of the vent plug 13 is formed with an external thread. During installation, the vent plug 13 is directly screwed into the inner cavity 121, and the vent plug 13 and the transition sleeve 12 form a threaded connection.
In an alternative embodiment, the vent plug and the transition piece form a plug connection. When the air vent plug is installed, the air vent plug is directly inserted into the inner cavity of the transition sleeve.
As a preferred embodiment, the wall of the mounting channel 111 is formed with internal threads. The outer wall of the transition sleeve 12 is formed with external threads. During installation, the transition sleeve 12 is directly screwed into the installation channel 111, and the vent plug 13 and the transition sleeve 12 form a threaded connection. The transition sleeve 12 and the housing 11 form a threaded connection.
In an alternative embodiment, the transition sleeve and the housing form a plug-in connection. When the installation is carried out, the transition sleeve is directly inserted into the installation channel.
As a specific embodiment, the diameter of the portion of the transition sleeve 12 located outside the housing 11 is larger than the diameter of the portion of the transition sleeve 12 located inside the housing 11. The housing 11 is formed with a limit boss. The limiting boss can limit the installation position of the part of the transition sleeve 12, which is positioned outside the shell 11, so that the installation precision of the transition sleeve 12 is ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an electric automobile gear box breather plug keeps off oily structure which characterized in that includes: the transition sleeve is arranged on the shell; the housing is formed with a mounting passage communicating the inside and outside of the housing; the transition sleeve is mounted into the mounting channel from the outside, and two ends of the transition sleeve are exposed out of two sides of the mounting channel and are respectively positioned in the shell and outside the shell; the transition sleeve is provided with an inner cavity; the part of the transition sleeve, which is positioned outside the shell, is provided with an opening; the vent plug is connected to the transition sleeve and at least partially extends into the inner cavity and covers the opening; the vent plug communicates the interior cavity and the exterior of the housing; a communication port for communicating the inner cavity with the interior of the shell is formed in the part of the transition sleeve extending into the shell; the communication port extends in the horizontal direction.
2. The electric vehicle gearbox breather plug oil baffle structure of claim 1,
The mounting direction of the transition sleeve relative to the housing is the same as the mounting direction of the vent plug relative to the transition sleeve.
3. the electric vehicle gearbox breather plug oil baffle structure of claim 1,
The transition sleeve defines a central axis; the inner cavity extends along the central axis; the extending direction of the communication port is perpendicular to the extending direction of the inner cavity.
4. The electric vehicle gearbox breather plug oil baffle structure of claim 3,
In the axis direction, one end of the inner cavity is open to form the opening, and the other end of the inner cavity is closed.
5. the electric vehicle gearbox breather plug oil baffle structure of claim 1,
The communication port extends to the bottom of the inner cavity.
6. The electric vehicle gearbox breather plug oil baffle structure of claim 1,
At least part of the inner wall surface of the inner cavity forms a cylindrical surface.
7. The electric vehicle gearbox breather plug oil baffle structure of claim 1,
The inner wall of the inner cavity is provided with internal threads; the outer wall of the vent plug is provided with an external thread; the vent plug and the transition sleeve form a threaded connection.
8. The electric vehicle gearbox breather plug oil baffle structure of claim 1,
The vent plug and the transition sleeve form plug-in connection.
9. the electric vehicle gearbox breather plug oil baffle structure of claim 1,
The channel wall of the mounting channel is formed with internal threads; the outer wall of the transition sleeve is provided with an external thread; the transition sleeve and the shell form a threaded connection.
10. The electric vehicle gearbox breather plug oil baffle structure of claim 1,
the transition sleeve and the shell form plug-in connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230294.3U CN209762198U (en) | 2018-12-27 | 2018-12-27 | Oil blocking structure of ventilating plug of electric automobile gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230294.3U CN209762198U (en) | 2018-12-27 | 2018-12-27 | Oil blocking structure of ventilating plug of electric automobile gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209762198U true CN209762198U (en) | 2019-12-10 |
Family
ID=68747754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822230294.3U Active CN209762198U (en) | 2018-12-27 | 2018-12-27 | Oil blocking structure of ventilating plug of electric automobile gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209762198U (en) |
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2018
- 2018-12-27 CN CN201822230294.3U patent/CN209762198U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200511 Address after: 211106 No.30, Houjiao Road, gaoxinyuan, Jiangning District, Nanjing City, Jiangsu Province Patentee after: NANJING GAOJING TRACK TRAFFIC EQUIPMENT Co.,Ltd. Address before: Nanjing City, Jiangsu province Mingrui road 211106 Jiangning economic and Technological Development Zone Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee before: NANJING GAOJING TRACK TRAFFIC EQUIPMENT Co.,Ltd. |