Supporting and limiting device of gear and rack veering device
A limit device, rack and pinion technology, applied in the direction of mechanical steering gear, etc., can solve problems such as quality problems, process instability, etc., to achieve the effect of reducing friction, process stability, and improving installation reliability
Inactive Publication Date: 2018-06-01
WUHU HENGLONG AUTO STEERING SYST
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- Application Information
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Problems solved by technology
This kind of simple support and limit device, the process is unstable during assembly, and it is easy to cause quality problems
Method used
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[0019] The specific implementation manner of the present invention will be described in further detail below by describing the best embodiment with reference to the accompanying drawings.
[0020] like figure 1 and image 3 As shown, the support and limit device of this rack and pinion steering gear, the steering gear includes a housing 4 and a rack 5, and the support and limit mechanism includes a bush 1 and a bush between the rack 5 and the housing 4 The retaining ring 2, one end of the bushing retaining ring 2 is set on the bushing 1, the other end of the bushing retaining ring 2 is set on the buffer retaining ring 3, and the buffer retaining ring 3 is sleeved on the rack 5. like figure 2 As shown, the inner wall of the bushing 1 is provided with an oil storage tank 7, and the inner wall of the bushing 1 and the outer wall of the rack 5 are in interference fit. An oil storage tank 7 is added to the inner hole of the bushing 1, and the inner wall of the bushing 1 is in i...
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The invention discloses a supporting and limiting device of a gear and rack veering device. The gear and rack veering device comprises a shell and a rack, a supporting and limiting mechanism comprisesa bush and a bush retainer ring which are arranged between the rack and the shell, one end of the bush retainer ring sleeves the bush, the other end of the bush retainer ring sleeves a buffering retainer ring, and the buffering retainer ring sleeves the rack; the inner wall of the bush is arranged on an oil storage tank, and the inner wall of the bush is in interference fit with the outer wall ofthe rack; the bush is constituted by a round sleeve and a limiting step which is integrally formed with the round sleeve, a mounting step is arranged on the inner wall of the shell, the limiting stepof the bush is clamped on the mounting step, the bush retainer ring sleeves the limiting step of the bush, and the end face, sleeving one end of the bush, of the bush retainer ring is tightly pressedon the mounting step. The supporting and limiting device is stable in technology, high in mounting reliability, and reliable in supporting.
Description
technical field [0001] The invention relates to an automobile steering gear, in particular to a support limiting device for a rack and pinion steering gear. Background technique [0002] In order to improve the service life of the rack and pinion steering gear and the steering system, when designing the mechanical steering gear assembly of the rack and pinion steering gear, a support limit device is usually designed to reduce friction and support the rack. Commonly used support and limit devices usually have only one bush embedded in the housing to achieve the purpose of supporting the rack. Such a simple supporting and limiting device is unstable in assembly process and easily leads to quality problems. Contents of the invention [0003] The object of the present invention is to overcome the deficiencies of the prior art and provide a support and limit device for a rack and pinion steering gear with stable process, good installation reliability and reliable support. [...
Claims
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IPC IPC(8): B62D3/12
Inventor 刘星袁定国夏明
Owner WUHU HENGLONG AUTO STEERING SYST