CN219805656U

CN219805656U - Lower swing arm press-fitting mechanism with reverse pushing and stopping functions

Info

Publication number: CN219805656U
Application number: CN202320959970.9U
Authority: CN
Inventors: 赵飞; 伍定才
Original assignee: Koman Vehicle Parts System Suzhou Co ltd
Current assignee: Koman Vehicle Parts System Suzhou Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-10-10
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a lower swing arm press-fitting mechanism with a reverse pushing and stopping function, which comprises: the fixing seat is also provided with a spring and a hydraulic mechanism, the spring is sleeved on the hydraulic mechanism, the hydraulic mechanism drives the fixing seat to extend and reversely push the bushing to move after the pressing head is pressed down, and the spring contracts along with the fixing seat when the pressing head is pressed down and provides restoring force for the mechanism to return to an initial state after the hydraulic mechanism is reversely pushed down. By additionally arranging the hydraulic mechanism on the press mounting mechanism, the original manual reverse pushing procedure is replaced, and the automatic control is realized.

Description

Lower swing arm press-fitting mechanism with reverse pushing and stopping functions

Technical Field

The utility model relates to the field of control arm assembly, in particular to a lower swing arm press-fitting mechanism with a reverse pushing and stopping function.

Background

The transition is typically accomplished by bushings in the ball-and-socket joint of the control arm of the suspension assembly to the vehicle body. The bushing must be secured during assembly to ensure that the bushing body 2a is fully pressed into the mounting hole while the rubber skirt 2b just exposes the mounting hole. If the bushing is installed, the height of the bushing is out of tolerance, which can lead to lower durability of the assembly and affect the life of the suspension system.

In the prior art, the bushing is pressed into the mounting hole by using a press-fitting device, and then manually pushed back by a worker, so that the process stability is poor and the production beat is slow due to the influence of the operation proficiency of workers.

Disclosure of Invention

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

lower swing arm pressure equipment mechanism that possesses reverse thrust function includes:

the lower swing arm mounting hole and the bushing are sleeved on the fixed seat;

the pressing head is positioned above the fixed seat, and drives the bushing to move downwards to be pressed into the lower swing arm mounting hole through a pressing machine;

the fixing seat is also provided with a spring and a hydraulic mechanism, the spring is sleeved on the hydraulic mechanism, the hydraulic mechanism drives the fixing seat to extend and reversely push the bushing to move after the pressing head is pressed down, and the spring contracts along with the fixing seat when the pressing head is pressed down and provides restoring force for the mechanism to return to an initial state after the hydraulic mechanism is reversely pushed down.

In a preferred embodiment of the present utility model, the fixing base further includes a boss that extends and contracts with the movement of the spring and the hydraulic mechanism, the boss is located inside the swing arm mounting hole to achieve sleeving and fixing, a base through hole is formed in a base of the fixing base, and the hydraulic mechanism passes through the base through hole and is connected to the lower portion of the boss.

In a preferred embodiment of the utility model, a base lug is arranged on the inner periphery of the base through hole, a bottom lug is arranged on the outer periphery of the bottom of the boss, and the base lug and the bottom lug form a travel limit in the process of telescoping the boss.

In a preferred embodiment of the present utility model, a guide post is disposed at the upper end of the boss, an inwardly extending punch hole is disposed below the punch, and the depth of the punch hole is greater than that of the guide post.

In a preferred embodiment of the utility model, the guide post has an outer diameter that is greater than the boss outer diameter.

In a preferred embodiment of the present utility model, a buffer block is further sleeved on the periphery of the boss, and the buffer block heightens the distance between the lower swing arm mounting hole and the base.

The utility model has the beneficial effects that:

according to the lower swing arm press-fitting mechanism with the reverse pushing and stopping functions, the hydraulic mechanism is additionally arranged on the press-fitting mechanism to replace the original manual reverse pushing procedure, so that automatic control is realized.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic view of a bushing of the present utility model.

Fig. 2 is a schematic structural view of the press-fitting mechanism.

FIG. 3 is a schematic view of a holder assembly according to the present utility model.

Fig. 4 is a side view of fig. 3.

Fig. 5 is a central cross-sectional view of fig. 4.

Fig. 6 is an assembly schematic of a ram.

Detailed Description

In the description of the present utility model, it should be noted that the terms "upper," "lower," "left," "right," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are well known to those skilled in the art, and the above description is for convenience in describing the present utility model, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As used in this specification, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The use of the terms "comprising," "having," "including," and "containing" in the specification are intended to mean that the recited features are present, but that one or more of the other features are not present.

Exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood, however, that the utility model may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. It should also be understood that the embodiments disclosed herein can be combined in various ways to provide yet additional embodiments. Throughout the drawings, like reference numbers indicate identical or functionally identical elements.

Referring to the lower swing arm press-fitting mechanism with reverse pushing and stopping functions of fig. 2, the whole mechanism is installed on an oil press and mainly comprises: a fixed seat 30 and a ram 20. The fixing base 30 mainly fixes the control arm 1 and the bush 2, and performs the pre-positioning before the control arm 1 and the bush 2 are installed. The ram 20 is placed above the fixed seat 30, and the bushing 2 is pressed into the mounting hole of the lower swing arm 1 by the downward movement driven by the press.

Referring to fig. 3 to 5, the structure of the fixing base is shown, and the fixing base is composed of a hydraulic mechanism 31, a spring, a base 32, a boss 33 and a guide post 34. The center of the base 32 is provided with a base through hole 32b, the hydraulic mechanism 31 passes through the base through hole 32b to be connected with the boss 33, and the spring is sleeved on the hydraulic mechanism 31. The other end of the boss 33 is connected to a guide post 34, and the outer diameter of the guide post 34 is smaller than the outer diameter of the boss 33. The positioning of the second workpiece is achieved by fitting the mounting hole of the control arm 1 over the boss 33 and the bushing 2 over the guide post 34 for the positioning of the control arm 1.

Referring to fig. 6 in combination with the ram structure, an inwardly extending ram bore (not shown) is formed below ram 20 and has a depth greater than guide post 34.

The control arm 1 and the bush 2 are respectively arranged on a boss 33 and a guide post 34, the pressure head 20 is pressed down, the guide post 34 penetrates into the pressure head perforation, and the end part of the pressure head 20 contacts the bush 2; the ram 20 continues to press down the boss 33 to retract into the holder 30, compressing the spring. When the ram 20 stroke is over, the bushing 2 is slightly pressed out of the mounting hole end face; the hydraulic mechanism 31 works, the driving boss 33 moves reversely, and after the hydraulic mechanism 31 finishes the pressing of the pressing head 20, the driving fixing seat stretches to reversely push the bushing to be classified, so that the bushing 2 is ensured to be pressed in place. After the process is completed, the spring provides a restoring force for the mechanism to return to the original state.

The inner periphery of the base through hole 32b is also provided with a base lug 32a, the outer periphery of the bottom of the boss 33 is provided with a bottom lug 35a, the outer periphery of the travel limit boss 33 in the telescopic process of the boss 33 is formed by the base lug 32a and the bottom lug 35a, and a buffer block 35 can be sleeved on the outer periphery of the travel limit boss 33, and the buffer block 35 heightens the distance between the lower swing arm mounting hole and the base 32 so as to adapt to the control arms 1 with different sizes.

In the description, an element is referred to as being "on," "fixed" to, "connected" to, "engaged" with, etc. another element, which may be directly on, fixed to, connected to, engaged with or contacting the other element, or intervening elements may be present.

Claims

1. Lower swing arm pressure equipment mechanism that possesses reverse thrust function, its characterized in that includes:

2. The lower swing arm press-fitting mechanism with the reverse pushing and stopping functions according to claim 1, wherein the fixing base further comprises a boss which stretches and contracts along with the movement of the spring and the hydraulic mechanism, the boss is positioned on the inner side of the swing arm mounting hole to realize sleeving and fixing, a base through hole is formed in a base of the fixing base, and the hydraulic mechanism penetrates through the base through hole and is connected with the lower portion of the boss.

3. The lower swing arm press-fitting mechanism with a reverse pushing and stopping function according to claim 2, wherein a base lug is arranged on the inner periphery of the base through hole, a bottom lug is arranged on the outer periphery of the bottom of the boss, and the base lug and the bottom lug form a travel limit in the boss stretching process.

4. The press-fitting mechanism of a lower swing arm with a reverse pushing and stopping function according to claim 3, wherein a guide post is arranged at the upper end of the boss, an inwardly extending pressure head through hole is formed below the pressure head, and the depth of the pressure head through hole is larger than that of the guide post.

5. The lower swing arm press-fitting mechanism with a reverse thrust function according to claim 4, wherein the guide post has an outer diameter larger than the boss outer diameter.

6. The lower swing arm press-fitting mechanism with a reverse pushing and stopping function according to claim 3, wherein a buffer block is further sleeved on the periphery of the boss, and the buffer block increases the distance between the lower swing arm mounting hole and the base.