CN211072497U

CN211072497U - Floating press-fitting tool for ball head of steering knuckle

Info

Publication number: CN211072497U
Application number: CN201921401655.4U
Authority: CN
Inventors: 邹兴怀; 朱明智; 徐可可
Original assignee: Jiangsu Alliance New Energy Equipment Co ltd
Current assignee: Jiangsu Alliance New Energy Equipment Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-07-24
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a knuckle ball head floating press mounting tool in the technical field of knuckle press mounting tools, aiming at solving the technical problems that in the prior art, a knuckle is not easy to position, the stress in the press mounting process is uneven, and press mounting failure is easily caused; the lower pressure head is arranged on the driving base, a U-shaped groove is formed in the upper end of the lower pressure head, a positioning pin is arranged inside the U-shaped groove, the knuckle ball head is arranged on the U-shaped groove and matched with the positioning pin, and the driving base pushes the lower pressure head to press the knuckle ball head into the knuckle ball shell; the contact surface of the upper pressure head and the upper support shaft is spherical. The utility model provides a location problem of knuckle, can guarantee at the in-process spherical structure of pressure equipment simultaneously that the knuckle atress is even, can not take place the skew, improve the success rate of pressure equipment, improved production efficiency simultaneously.

Description

Floating press-fitting tool for ball head of steering knuckle

Technical Field

The utility model belongs to the technical field of knuckle pressure equipment frock, concretely relates to knuckle bulb pressure equipment frock that floats.

Background

The steering knuckle is one of the main parts of an automobile steering axle, and is one of the important parts for bearing the front load of an automobile and supporting and driving a front wheel to rotate around a main pin so as to steer the automobile. In the driving state of the vehicle, it is subjected to a variable impact load, and therefore, it is required to have a high strength.

In the prior art, the steering knuckle is difficult to position when the steering knuckle ball head is pressed, the axis of the steering knuckle ball shell and the axis of the steering knuckle ball head are easy to deviate, uneven stress is caused, and the pressing failure is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure equipment frock that floats of knuckle bulb to solve prior art well knuckle difficult location, the pressure equipment process atress is uneven, leads to the technical problem of pressure equipment failure easily.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a floating press-fitting tool for a knuckle ball head comprises an upper press head and a lower press head, wherein the upper press head is connected with an upper support shaft through a plurality of adjusting bolts, a pressure assembly is arranged inside the upper support shaft, the pressure assembly drives an upper shaft head through a guide shaft, and the upper shaft head extends into a knuckle ball shell; the lower pressure head is arranged on the driving base, a U-shaped groove is formed in the upper end of the lower pressure head, a positioning pin is arranged inside the U-shaped groove, a knuckle ball head is arranged on the U-shaped groove and matched with the positioning pin, and the driving base pushes the lower pressure head to press the knuckle ball head into the knuckle ball shell; the contact surface of the upper pressure head and the upper support shaft is a spherical surface.

The pressure assembly is a nitrogen spring.

The upper shaft head is connected with the guide shaft through a bolt.

The axis of the upper pressure head is coincided with the axis of the lower pressure head.

The axis of the guide shaft is coincided with the axis of the upper shaft head.

And a spring is arranged on the adjusting bolt.

Compared with the prior art, the utility model discloses the beneficial effect who reaches: the locating problem of knuckle has been solved to the pressure head on the unsteady pressure equipment frock of knuckle bulb through adopting the upper spindle nose location and adopting the sphere that floats, can guarantee at the in-process spherical structure of pressure equipment simultaneously that the knuckle atress is even, can not take place the skew, improves the success rate of pressure equipment, has improved production efficiency simultaneously.

Drawings

Fig. 1 is a schematic cross-sectional structure view of a floating press-fitting tool for a knuckle ball provided by an embodiment of the present invention;

fig. 2 is a schematic view of a three-dimensional cross-sectional structure of a floating press-fitting tool for a knuckle ball provided by an embodiment of the present invention;

fig. 3 is a schematic perspective view of a floating press-fitting tool for a ball head of a knuckle according to an embodiment of the present invention;

in the figure: 1. a pressure assembly; 2. an upper support shaft; 3. an upper pressure head; 4. a guide shaft; 5. an upper shaft head; 6. a lower pressure head; 61. U-shaped groove; 62. positioning pins; 7. a drive base; 81. a knuckle spherical shell; 82. a knuckle head; 91. adjusting the bolt; 92. a spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, 2 and 3, an upper pressure head 3 is connected with an upper support shaft 2 through a plurality of adjusting bolts 91, a pressure component 1 is arranged inside the upper support shaft 2, the pressure component 1 drives an upper shaft head 5 through a guide shaft 4, the upper shaft head 5 is connected with the guide shaft 4 through bolts, the upper shaft head 5 is driven by the pressure component 1 through the guide shaft 4 to extend into a knuckle spherical shell 81, and the knuckle spherical shell 81 can be effectively fixed and cannot easily deflect. The lower pressure head 6 is installed on the driving base 7 through a bolt, a U-shaped groove 61 is formed in the upper end of the lower pressure head 6, a positioning pin 62 is arranged inside the U-shaped groove 61, the knuckle ball 82 is arranged on the U-shaped groove 61 and matched with the positioning pin 62, and the positioning pin 62 can effectively prevent the knuckle ball 82 from deflecting. The driving base 7 pushes the lower pressure head 6 to press the knuckle ball 82 into the knuckle ball shell 81, and the upper spindle nose 5 is gradually pushed out of the knuckle ball shell 81 in the process of pressing the knuckle ball 82 into the knuckle ball shell 81 until the press fitting is completed.

The contact surface of the upper pressure head 3 and the upper support shaft 2 is spherical, the spherical structure can effectively adjust force transmission, great deviation of force received by the knuckle spherical shell 81 can be avoided in the press mounting process, the press mounting quality is guaranteed, the spring 92 is arranged on the adjusting bolt 91, the spring 92 can adjust the gap between the upper pressure head 3 and the upper support shaft 2 in the whole press mounting process, the upper pressure head 3 can flexibly rotate, and the press mounting quality is improved.

Pressure subassembly 1 adopts the nitrogen gas spring in this embodiment, and the nitrogen gas spring is small, elasticity is big, the stroke is long, work is steady, can provide comparatively invariable pressure, makes the pressure equipment process steady high-efficient. The axis of the upper pressure head 3 is superposed with the axis of the lower pressure head 6; the axis of the guide shaft 4 coincides with the axis of the upper spindle head 5 to ensure efficient transfer of force. The utility model discloses an adopt and go up 5 location of spindle nose and adopt on the unsteady sphere pressure head 3 to solve the location problem of knuckle, can guarantee at the in-process spherical structure of pressure equipment simultaneously that the knuckle atress is even, can not take place the skew, improve the success rate of pressure equipment, improved production efficiency simultaneously.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A floating press-fitting tool for a knuckle ball head is characterized by comprising an upper press head and a lower press head, wherein the upper press head is connected with an upper support shaft through a plurality of adjusting bolts, a pressure assembly is arranged inside the upper support shaft, the pressure assembly drives the upper knuckle head through a guide shaft, and the upper knuckle head extends into a knuckle ball shell;

the lower pressure head is arranged on the driving base, a U-shaped groove is formed in the upper end of the lower pressure head, a positioning pin is arranged inside the U-shaped groove, a knuckle ball head is arranged on the U-shaped groove and matched with the positioning pin, and the driving base pushes the lower pressure head to press the knuckle ball head into the knuckle ball shell;

the contact surface of the upper pressure head and the upper support shaft is a spherical surface.

2. The knuckle ball head floating press fitting tool according to claim 1, wherein the pressure assembly is a nitrogen spring.

3. The knuckle ball head floating press fitting tool according to claim 1, wherein the upper shaft head is connected with the guide shaft through a bolt.

4. The knuckle ball head floating press fitting tool according to claim 1, wherein the axis of the upper press head is coincident with the axis of the lower press head.

5. The knuckle ball head floating press fitting tool according to claim 1, wherein the axis of the guide shaft coincides with the axis of the upper shaft head.

6. The knuckle ball head floating press fitting tool according to claim 1, wherein a spring is arranged on the adjusting bolt.