Automobile mechanical steering gear assembly

A mechanical steering gear and assembly technology, applied in mechanical steering gears, steering mechanisms, steering rods, etc., can solve the problems such as the loss of the steering wheel steering function of the whole vehicle, the long suspended length of the rack 3, and the easy bending and deformation of the rack 3. Achieve the effect of reducing the processing difficulty and production cost, increasing the contact area, and preventing the rupture of the box
CN114537508APending Publication Date: 2022-05-27CHONGQING CHANGAN AUTOMOBILE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHONGQING CHANGAN AUTOMOBILE CO LTD
Publication Date
2022-05-27

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    Figure 2
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    Figure 3
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Abstract

The invention discloses an automobile mechanical steering gear assembly which comprises a box body, a gear, a rack, a rack supporting assembly and a left pull rod assembly, a cavity penetrating in the left-right direction is formed in the box body, the rack is arranged in the cavity in the mode that the rack can slide in the left-right direction, and the gear is meshed with the rack; the left pull rod assembly is connected with the left end of the rack through a pull rod inner ball cup, the rack supporting assembly is located below the meshing position of the gear and the rack, the gear assembly further comprises a lining arranged in the cavity, a middle hole for the rack to penetrate through is formed in the middle of the lining, and the rack supporting assembly is located below the meshing position of the gear and the rack. The left end of the lining is provided with a flange protruding outwards in the radial direction. The cavity comprises a ball cup containing cavity, a lining installation cavity and a rack passing cavity which are sequentially arranged from left to right, and the ball cup containing cavity and the lining installation cavity are both located on the left side of the rack supporting assembly. The bending degree of the rack can be reduced, and box breakage caused by serious bending of the rack is prevented.
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Description

technical field

[0001] The invention relates to an automobile steering system, in particular to an automobile mechanical steering gear assembly. Background technique

[0002] like Figure 1-Figure 3 As shown, the current automobile mechanical steering gear assembly includes a box body 1, a gear 2, a rack 3, a rack support assembly 4, a left tie rod assembly 5 and a right tie rod assembly 6. Through the cavity, the rack 3 is arranged in the cavity in a way that can slide in the left and right direction, the gear 2 meshes with the rack 3, the left tie rod assembly 5 and the right tie rod assembly 6 pass through the inner ball socket 7 of the pull rod respectively. Connected with the left and right ends of the rack 3, the box body 1 is provided with a mounting hole connected with the cavity below where the gear 2 engages with the rack 3 for installing the rack support assembly 4. The rack support assembly 4 The rack 3 can be supported. During the driving of the car, the drive...

Claims

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