CN112918206A

CN112918206A - Rocker arm type ball head snap ring installer

Info

Publication number: CN112918206A
Application number: CN202110371741.0A
Authority: CN
Inventors: 吴纪军; 王科; 李�浩; 李龙龙; 黄冬梅
Original assignee: Nanjing Starq Y Tec Automobile Parts Co ltd
Current assignee: Nanjing Starq Y Tec Automobile Parts Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-06-08

Abstract

The invention belongs to the technical field of installation of a ball head snap ring of an automobile control arm, and particularly relates to a rocker arm type ball head snap ring installer. The rocker arm mechanism comprises a shell, wherein two arc rocker arms which are symmetrically arranged are arranged in the shell, and the middle parts of the two arc rocker arms are respectively hinged with the shell through rocker arm shafts; the two arc rocker arms are provided with corresponding free ends, the free ends of the two arc rocker arms can extend into the opening of the snap ring together, the other ends corresponding to the two arc rocker arms are respectively connected with a force application mechanism, and the force application mechanism drives the two arc rocker arms to rotate along the rocker arm shafts respectively so as to prop open the snap ring; and the shell is provided with a limiting block for limiting torsion generated in the opening process of the snap ring. The clamping ring is ingenious in structural design, the force is transmitted to the two arc-shaped rocker arms to prop the clamping ring open, the limiting blocks and the limiting grooves in the two arc-shaped rocker arms are matched, the clamping ring can be prevented from being displaced and twisted in the installation process, and the operation is safe and reliable.

Description

Rocker arm type ball head snap ring installer

Technical Field

The invention belongs to the technical field of installation of a ball head snap ring of an automobile control arm, and particularly relates to a rocker arm type ball head snap ring installer.

Background

The automobile control arm is used as a guide and force transmission element of an automobile suspension system, transmits various forces acting on the wheels to an automobile body, and meanwhile ensures that the wheels move according to a certain track. The automobile control arm elastically connects the wheel and the automobile body through a ball head or a bushing respectively. Usually, the bulb is pressed in and installed after the welding and coating of the control arm are completed, and after the bulb is pressed in and matched with a hole of the control arm, a clamping ring can be installed to limit the position, so that the bulb cannot be separated. The clamping ring of the control arm is a C-shaped clamping ring without holes, so that the clamping ring is ensured to be installed in place, and displacement and torsion cannot be generated in the installation process of the clamping ring, and the installation of the clamping ring is difficult to be completed by a common manual tool. Therefore, a solution to the above technical problem is urgently needed.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide the rocker arm type ball head snap ring installer which is convenient to operate and use, time-saving and labor-saving, can ensure that the snap ring is quickly installed in place, and can also ensure that the snap ring cannot generate displacement and torsion in the installation process.

In order to achieve the technical purpose, the invention adopts the following technical scheme: the rocker arm type ball head snap ring installer comprises a shell, wherein two arc rocker arms which are symmetrically arranged are arranged in the shell, and the middle parts of the two arc rocker arms are respectively hinged with the shell through rocker arm shafts; the two arc rocker arms are provided with corresponding free ends, the free ends of the two arc rocker arms can extend into the opening of the snap ring together, the other ends corresponding to the two arc rocker arms are respectively connected with a force application mechanism, and the force application mechanism drives the two arc rocker arms to rotate along the rocker arm shafts respectively so as to prop open the snap ring; and the shell is provided with a limiting block for limiting torsion generated in the opening process of the snap ring.

As the preferred technical scheme, the limiting block is provided with an adsorption magnet for adsorbing the snap ring.

As an optimized technical scheme, the outer sides of the free ends of the two arc-shaped rocker arms are respectively provided with a limiting groove in a concave manner, wherein the limiting groove is matched with the opening edge of the snap ring.

According to a preferable technical scheme, the force application mechanism comprises a holding handle, the middle of the holding handle is hinged to the shell through a handle shaft, the holding end of the holding handle is a free end, the other end of the holding handle is hinged to one end of the connecting rod through a first connecting pin, and the other end of the connecting rod is hinged to the arc-shaped rocker arm through a second connecting pin.

Preferably, the rocker arm shaft and the handle shaft are directly milled on the housing.

As a preferred technical scheme, the limiting block is directly milled on the shell.

Due to the adoption of the technical scheme, the invention has at least the following beneficial effects:

(1) the structural design is ingenious, force is transmitted to the two arc-shaped rocker arms through the force application mechanism, the clamping ring is propped open through the arc-shaped rocker arms, the clamping ring can be installed in place after being propped open, and time and labor are saved; meanwhile, the tool is returned by the elasticity of the retainer ring after installation, the use of a return spring is reduced, and the structure is simple and stable.

(2) Through the combined cooperation of the limiting blocks and the limiting grooves in the two arc-shaped rocker arms, the clamping ring can be prevented from displacement and torsion in the installation process, and the operation is safe and reliable.

(3) Through the installation adsorption magnet on the stopper, can not drop when guaranteeing the snap ring installation.

(4) Compact structure, the axle that grips handle, rocking arm and casing and be connected all integrates on the casing, and the stopper also integrates on the casing simultaneously, and the equipment of both being convenient for instrument itself has reduced the part quantity of constitution instrument itself again, has reduced the cost.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

FIG. 1 is a schematic top view of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a front view of an embodiment of the present invention;

FIG. 3 is a schematic perspective view of an embodiment of the present invention;

fig. 4 is a partial enlarged view at I in fig. 3.

Detailed Description

The invention is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1 to 4, the rocker arm type ball head snap ring installer comprises a housing 1, wherein two arc rocker arms 2 which are symmetrically arranged are installed in the housing 1, and the middle parts of the two arc rocker arms 2 are respectively hinged with the housing 1 through rocker arms 3; the two arc rocker arms 2 are provided with corresponding free ends 21, and a certain gap 4 is formed between the free ends 21 of the two arc rocker arms 2 so as to ensure that the two arc rocker arms 2 have certain freedom degree when rotating; the free ends 21 of the two arc rocker arms 2 can extend into the opening 51 of the C-shaped snap ring 5 together, the other ends 22 corresponding to the two arc rocker arms 2 are respectively connected with a force application mechanism, and the force application mechanisms can drive the two arc rocker arms 2 to rotate along the rocker shaft 3 respectively so as to prop open the snap ring 5 to complete installation; the shell 1 is provided with a limiting block 6 for limiting torsion generated in the opening process of the snap ring 5, the limiting block 6 is also of a C-shaped structure, and the opening of the limiting block 6 is slightly larger than that of the snap ring 5.

Install the absorption magnet 7 that adsorbs snap ring 5 on the stopper 6, can not drop when guaranteeing the snap ring installation.

Referring to fig. 4, the outer sides of the free ends 21 of the two arc rocker arms 2 are respectively provided with a concave limiting groove 23 matched with the opening edge 52 of the snap ring 5. Through the limiting function of the limiting block 6 and the limiting grooves 21 on the two arc-shaped rocker arms 2, displacement and torsion cannot be generated in the installation process of the snap ring, and the operation is safe and reliable.

In this embodiment, the force application mechanism includes a holding handle 8, the middle portion of the holding handle 8 is hinged to the housing 1 through a handle shaft 9, a holding end 81 of the holding handle 8 is a free end, the other end 82 of the holding handle 8 is hinged to one end of a connecting rod 11 through a first connecting pin 10, and the other end of the connecting rod 11 is hinged to the arc-shaped rocker arm 2 through a second connecting pin 12. The rocker arm shaft 3 and the handle shaft 9 are both shafts directly milled on the shell 1, and the limiting block 6 is also directly milled on the shell 1.

The invention has simple structural design, the total number of the parts used by the whole set of tools is 13, wherein the holding handle 8, the connecting rod 11, the arc-shaped rocker arm 2 and the connecting pin are symmetrical parts;

the invention has ingenious structural design, the force and the displacement are transmitted to the arc-shaped rocker arm 2 through the holding handle 8, and the middle part is connected through the connecting rod 11, thereby not only ensuring that the snap ring can support, but also saving time and labor; meanwhile, the tool is returned by the elasticity of the retainer ring after installation is finished, and the use of a return spring is reduced.

The tool is compact in structural design, the holding handle 8, the rocker arm shaft 3 and the handle shaft 9 are all integrated on the shell 1, and the limiting block 6 is also integrated on the shell 1, so that the tool is convenient to assemble, the number of parts forming the tool is reduced, and the cost is reduced.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention shall fall within the protection scope of the invention.

Claims

1. Rocking arm formula bulb snap ring erector, its characterized in that: the swing arm type hydraulic lifting device comprises a shell, wherein two arc-shaped swing arms which are symmetrically arranged are arranged in the shell, and the middle parts of the two arc-shaped swing arms are respectively hinged with the shell through swing arm shafts; the two arc rocker arms are provided with corresponding free ends, the free ends of the two arc rocker arms can extend into the opening of the snap ring together, the other ends corresponding to the two arc rocker arms are respectively connected with a force application mechanism, and the force application mechanism drives the two arc rocker arms to rotate along the rocker arm shafts respectively so as to prop open the snap ring; and the shell is provided with a limiting block for limiting torsion generated in the opening process of the snap ring.

2. The rocker arm ball snap ring installer of claim 1, wherein: and the limiting block is provided with an adsorption magnet for adsorbing the snap ring.

3. The rocker arm ball snap ring installer of claim 1, wherein: and the outer sides of the free ends of the two arc-shaped rocker arms are respectively provided with a limiting groove which is matched with the opening edge of the snap ring in a concave manner.

4. The rocker arm ball snap ring installer as set forth in any of claims 1 to 3, wherein: the force application mechanism comprises a holding handle, the middle of the holding handle is hinged to the shell through a handle shaft, the holding end of the holding handle is a free end, the other end of the holding handle is hinged to one end of the connecting rod through a first connecting pin, and the other end of the connecting rod is hinged to the arc-shaped rocker arm through a second connecting pin.

5. The rocker arm ball snap ring installer of claim 4, wherein: the rocker arm shaft and the handle shaft are directly milled on the shell.

6. The rocker arm ball snap ring installer of claim 4, wherein: the limiting block is directly milled on the shell.