Sealing device of speed reducer
A technology of sealing device and reducer, which is applied in the direction of transmission parts, mechanical equipment, belt/chain/gear, etc., can solve the problems of shortened service life, waste of lubricating oil, easy wear of reducer components, etc., to prolong service life, The effect of reducing production costs and simplifying the structure
Inactive Publication Date: 2016-03-02
QIJIANG COUNTY SANCHUAN GEAR
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- Application Information
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Problems solved by technology
[0003] In actual use, it is difficult to effectively prevent the lubricating oil from overflowing from the shaft and the shaft cover hole due to the oil pressure, resulting in the loss of the lubricating oil in the reducer. On the one hand, the lubricating oil is wasted; Loss, reducing the lubrication effect in the reducer, making the components in the reducer easy to wear, thereby shortening the service life; moreover, the existing reducer has a complex structure and is not easy to assemble
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[0019] Below in conjunction with accompanying drawing and embodiment
[0020] The present invention is described further:
[0021] Such as figure 1 figure 2 As shown, a sealing device for a reducer includes a box body 1, an input shaft 4 and a shaft sleeve 2; an output hole 11 is opened on the box body 1, and the input shaft 4 and the shaft sleeve 2 are arranged in the output hole 11;
[0022] A fixed ring 41 is sheathed on the output shaft 4 , and the fixed ring 41 is integrated with the input shaft 4 . A first groove 42 is defined along the circumference of the output shaft 4 .
[0023] The input shaft 4 is provided with a first sealing ring 5 and a ball bearing 6 in turn, and one end of the first sealing ring 5 is provided with a second groove 51; one end of the ball bearing 6 is provided with a buckle 7, and the buckle 7 is arranged at the a groove 42;
[0024] A perforation 23 is opened along the center line of the shaft sleeve 2, the shaft sleeve 2 is sleeved on th...
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The invention discloses a sealing device of a speed reducer. The sealing device comprises a case body, an input shaft and a shaft sleeve. An output hole is formed in the case body, and the input shaft and the shaft sleeve are arranged in the output hole. An output shaft is sleeved with a fixing ring. A first groove is formed in the circumferential direction of the output shaft. The input shaft is sleeved with a first sealing ring and a ball bearing sequentially. A second groove is formed in one end of the first sealing ring. A retaining ring is arranged at one end of the ball bearing and in the first groove. The sealing device has the beneficial effects that lubricating oil is effectively prevented from flowing away, the service life of the speed reducer is prolonged, the structure is simplified, assembling is easy, and meanwhile the production cost is reduced.
Description
technical field [0001] The invention relates to a reducer gearbox, in particular to a reducer sealing device. Background technique [0002] Due to the development of science and technology, people's living standards are getting higher and higher, and basically every household has motorcycles or cars and other means of transportation. The driving sources of existing motorcycles or cars mainly include motors and engines. , and then the speed is reduced by the reducer and the torque is increased. After deceleration by the reducer, the output shaft of the reducer outputs the power. Existing reducers generally use intermeshing gear sets or worm and turbine transmissions. In order to prevent overheating or wear inside the reducer, a large amount of lubricating oil is injected into the reducer to achieve cooling and lubrication. [0003] In actual use, it is difficult to effectively prevent the lubricating oil from overflowing from the shaft and the shaft cover hole due to the oil...
Claims
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Login to View More IPC IPC(8): F16H57/029
CPCF16H57/029
Inventor 黎涛陈伟封莉
Owner QIJIANG COUNTY SANCHUAN GEAR