Speed reducer, wheel edge drive axle assembly and vehicle
A technology of a reducer and a transmission mechanism, applied in the field of vehicles, can solve the problems of reducing the utilization rate of lubricating oil, wasting lubricating oil, difficult production, etc., and achieve the effects of improving the utilization rate, protecting the environment, and simple processing
Active Publication Date: 2020-01-07
BYD CO LTD
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Problems solved by technology
[0003] However, the traditional exhaust decompression device not only directly discharges the lubricating oil vapor generated after the internal pressure of the reducer housing rises into the air, reduces the utilization rate of lubricating oil, wastes lubricating oil, and seriously pollutes the environment, but also has a complex structure. Production is difficult and costly
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[0037] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0038] Refer below Figure 1 to Figure 8 A speed reducer according to an embodiment of the present invention is described.
[0039] Such as figure 1 As shown, the speed reducer according to the embodiment of the first aspect of the present invention includes: a first housing 11 , a first oil-repelling breather 30 and a first pressure relief member 40 .
[0040] Wherein, the first housing 11 has a first accommodating cavity g for accommodating the first transmission mechanism and a second accommodating cavity h not communicating with the f...
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The invention discloses a speed reducer, a wheel edge drive axle assembly and a vehicle. The speed reducer comprises a first shell, a first oil stop ventilation piece and a first pressure releasing piece. The first shell is provided with a first containing cavity containing a first work transmission mechanism and a second containing cavity not communicating with the first containing cavity. The first shell is provided with a second ventilation hole, the second ventilation hole communicates with the second containing cavity, the first oil stop ventilation piece is located in the second containing cavity, and the first pressure releasing piece is arranged on the second ventilation hole and communicates with the second ventilation hole. The first pressure releasing piece is constructed in themanner that when the pressure in the second containing cavity exceeds the preset value, pressure releasing is conducted. The first oil stop ventilation piece is constructed in the manner that lubricating oil is prevented from overflowing out of the first shell, and accordingly the purposes that the environment is protected, and the lubricating oil utilization rate is increased are achieved; and the structure of the speed reducer is more simple, the machining difficulty of components of the speed reducer is lowered, speed reducer machining is more simple, and accordingly the speed reducer production cost is reduced.
Description
technical field [0001] The invention relates to the technical field of vehicles, in particular to a speed reducer, a wheel drive axle assembly and a vehicle. Background technique [0002] In the related art, an exhaust decompression device is generally provided on the reducer housing to maintain the pressure inside the reducer housing stably. [0003] However, the traditional exhaust and decompression device not only directly discharges the lubricating oil vapor generated after the internal pressure of the reducer housing rises into the air, reduces the utilization rate of lubricating oil, wastes lubricating oil, and seriously pollutes the environment, but also has a complex structure. Production difficulty is big, and cost is higher. Contents of the invention [0004] The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention proposes a speed reducer, which has a simpler structure on the premise...
Claims
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IPC IPC(8): F16H57/04
CPCF16H57/0404F16H57/0435
Inventor 彭旺谢毅徐兆峰王冲秦宬
Owner BYD CO LTD