Auxiliary support device for installing needle bearing of input shaft of automobile transmission
By designing the auxiliary bracket device of the inner and outer sleeves, the needle roller bearing is fixed in the input shaft hole by using the clearance of the inner and outer brackets, the problem of low assembly efficiency in the prior art is solved, and the rapid and accurate assembly of needle roller bearings of automobile transmissions is achieved. Improve the production efficiency of the production line.
Patent Information
- Application Number
- CN202421489149.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-06-27
AI Technical Summary
In the prior art, the needle roller bearing assembly efficiency of the input shaft of the automotive transmission is low, which affects the overall production efficiency of the production line.
An auxiliary bracket device is designed, including an inner and outer bracket of an inner and outer sleeve. The needle roller bearing is fixed in the input shaft hole through the clearance of the inner and outer brackets, so as to achieve fast and accurate assembly.
Through the cooperation of internal and external brackets, the needle roller bearing can be quickly and accurately installed into the input shaft hole, improving the assembly efficiency of the production line.
Smart Images
Figure CN222185522U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an auxiliary bracket device for installing a needle roller bearing of an automobile transmission input shaft, belonging to the technical field of automobile transmission manufacturing. Background Art
[0002] Installing the needle roller bearing on the input shaft of the automobile transmission is one of the important links in the production and manufacturing. At present, for needle roller bearings without cages, the existing technology relies on manually placing a single needle roller bearing into the bearing hole of the input shaft. This assembly method is very inefficient and affects the production efficiency of the entire production line. Utility Model Content
[0003] The utility model aims to provide an auxiliary bracket device for installing a needle roller bearing of an automobile transmission input shaft, so as to realize simple and quick assembly, improve production line production efficiency and solve the problems existing in the background technology.
[0004] The technical solution of the utility model is:
[0005] An auxiliary bracket device for installing a needle roller bearing on an input shaft of an automobile transmission comprises an inner bracket and an outer bracket which are set inside and outside; the inner bracket is composed of an inner bracket tube and an outer edge of the bottom of the inner bracket, the bottom of the inner bracket tube is an inner bracket bottom hole, and the bottom of the inner bracket tube extends outward in an annular shape to form the outer edge of the bottom of the inner bracket; the outer bracket is composed of an outer bracket tube and an inner edge of the bottom of the outer bracket, the bottom of the outer bracket tube extends inward in an annular shape to form the inner edge of the bottom of the outer bracket, and the inner ring of the inner edge of the bottom of the outer bracket is the bottom hole of the outer bracket; the outer diameter of the outer edge of the bottom of the inner bracket is smaller than the inner diameter of the outer bracket tube, and the inner bracket is The aperture of the bottom hole of the frame is smaller than the aperture of the bottom hole of the outer bracket, and the outer diameter of the outer edge of the bottom of the inner bracket is larger than the aperture of the bottom hole of the outer bracket; the inner bracket tube and the outer bracket tube are fitted inside and outside, and the outer edge of the bottom of the inner bracket and the inner edge of the bottom of the outer bracket overlap each other; a needle bearing is arranged in the annular space between the inner bracket tube and the outer bracket tube, the outer diameter of the inner bracket tube matches the inner diameter of the needle bearing, and the inner diameter of the outer bracket tube matches the outer diameter of the needle bearing, and the needle bearing is fixed by the inner bracket tube and the outer bracket tube, and a clearance fit is adopted; the inner diameter of the outer bracket tube is the same as the inner diameter of the input shaft hole.
[0006] Furthermore, the height of the inner support tube is greater than the height of the outer support tube.
[0007] When in use, insert the needle bearing into the inner bracket tube, place the inner bracket and the needle bearing into the edge of the input shaft hole of the input shaft, then use the outer bracket tube to push the inner bracket tube, push the inner bracket tube and the needle bearing into the input shaft hole, then pull the inner bracket tube outward, and take the outer bracket tube out from the input shaft at the same time.
[0008] The beneficial effects of the utility model are as follows: the needle roller bearing is fixed by the inner bracket and the outer bracket, the needle roller bearing can be quickly and accurately installed into the input shaft hole, simple and fast assembly is achieved, and the production efficiency of the production line is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 This is a schematic diagram of the use state of the embodiment of the utility model;
[0010] Figure 2 This is a schematic diagram of the structure of an embodiment of the utility model;
[0011] In the figure: inner bracket tube 1, needle bearing 2, outer bracket tube 3, input shaft 4, input shaft hole 5, inner bracket bottom outer edge 6, inner bracket bottom hole 7, outer bracket bottom inner edge 8, outer bracket bottom hole 9. DETAILED DESCRIPTION
[0012] The present invention will be further described below by way of examples with reference to the accompanying drawings.
[0013] An auxiliary bracket device for installing a needle roller bearing on an input shaft of an automobile transmission comprises an inner bracket and an outer bracket which are set inside and outside; the inner bracket is composed of an inner bracket tube 1 and an outer edge 6 of the bottom of the inner bracket, the bottom of the inner bracket tube 1 is an inner bracket bottom hole 7, and the bottom of the inner bracket tube 1 extends outward in an annular shape to form an outer bracket bottom outer edge 6; the outer bracket is composed of an outer bracket tube 3 and an inner edge 8 of the bottom of the outer bracket tube 3, the bottom of the outer bracket tube 3 extends inward in an annular shape to form an outer bracket bottom inner edge 8, and the inner ring of the outer bracket bottom inner edge 8 is an outer bracket bottom hole 9; the outer diameter of the inner bracket bottom outer edge 6 is smaller than the inner diameter of the outer bracket tube 3, and the inner bracket bottom hole 9 is The aperture of 7 is smaller than the aperture of the bottom hole 9 of the outer bracket, and the outer diameter of the outer edge 6 of the bottom of the inner bracket is larger than the aperture of the bottom hole 9 of the outer bracket; the inner bracket tube 1 and the outer bracket tube 3 are fitted inside and outside, and the outer edge 6 of the bottom of the inner bracket and the inner edge 8 of the bottom of the outer bracket overlap each other; a needle bearing 2 is arranged in the annular space between the inner bracket tube 1 and the outer bracket tube 3, the outer diameter of the inner bracket tube 1 matches the inner diameter of the needle bearing 2, the inner diameter of the outer bracket tube 3 matches the outer diameter of the needle bearing 2, and the needle bearing 2 is fixed to the outer bracket tube 3 through the inner bracket tube 1, and a clearance fit is adopted; the inner diameter of the outer bracket tube 3 is the same as the inner diameter of the input shaft hole 5.
[0014] The height of the inner support tube 1 is greater than the height of the outer support tube 3 .
[0015] When in use, the needle bearing 2 is inserted into the inner bracket tube 1, the inner bracket and the needle bearing are placed into the edge of the input shaft hole 5 of the input shaft, and then the inner bracket is pushed by the outer bracket, and the inner bracket tube and the needle bearing are pushed into the input shaft hole 5, and then the inner bracket is pulled outward, and the outer bracket is taken out from the input shaft 4 at the same time, thereby improving production efficiency.
Claims
1. An auxiliary bracket device for installing a needle roller bearing of an automobile transmission input shaft, characterized in that: The invention comprises an inner bracket and an outer bracket which are set inside and outside; the inner bracket is composed of an inner bracket tube (1) and an outer edge (6) of the bottom of the inner bracket; the bottom of the inner bracket tube (1) is an inner bracket bottom hole (7); the bottom of the inner bracket tube (1) extends outward in an annular shape to form an inner bracket bottom outer edge (6); the outer bracket is composed of an outer bracket tube (3) and an inner edge (8) of the bottom of the outer bracket; the bottom of the outer bracket tube (3) extends inward in an annular shape to form an outer bracket bottom inner edge (8); the inner ring of the outer bracket bottom inner edge (8) is an outer bracket bottom hole (9); the outer diameter of the inner bracket bottom outer edge (6) is smaller than the inner diameter of the outer bracket tube (3); the diameter of the inner bracket bottom hole (7) is smaller than the diameter of the outer bracket bottom hole (9); The inner bracket tube (1) and the outer bracket tube (3) are respectively provided with a plurality of inner brackets and a plurality of outer brackets, and the outer diameter of the inner bracket bottom outer edge (6) is larger than the hole diameter of the outer bracket bottom hole (9); the inner bracket tube (1) and the outer bracket tube (3) are fitted inside and outside, and the inner bracket bottom outer edge (6) and the outer bracket bottom inner edge (8) overlap each other; a needle roller bearing (2) is arranged in the annular space between the inner bracket tube (1) and the outer bracket tube (3), the outer diameter of the inner bracket tube (1) matches the inner diameter of the needle roller bearing (2), the inner diameter of the outer bracket tube (3) matches the outer diameter of the needle roller bearing (2), and the needle roller bearing (2) is fixed to the outer bracket tube (3) through the inner bracket tube (1) and the outer bracket tube (3) by a clearance fit; and the inner diameter of the outer bracket tube (3) is the same as the inner diameter of the input shaft hole (5).
2. The auxiliary bracket device for installing a needle roller bearing of an automobile transmission input shaft according to claim 1, characterized in that: The height of the inner support tube (1) is greater than the height of the outer support tube (3).