CN217860980U

CN217860980U - Differential lock spring assembly fixture

Info

Publication number: CN217860980U
Application number: CN202222087418.3U
Authority: CN
Inventors: 冯强
Original assignee: Sany Electric Vehicle Technology Co Ltd
Current assignee: Sany Electric Vehicle Technology Co Ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-22
Anticipated expiration: 2032-08-09

Abstract

The application provides a differential lock spring assembly frock includes: the mounting seat can be connected with the main speed reducer shell; the operating piece is connected to the mounting seat and forms a lever structure; the resistance end of the lever structure can drive the spring to accumulate potential energy, and a limiting structure capable of limiting the periphery of the spring is arranged. So set up, carry on spacingly through limit structure to the periphery of spring, can prevent that the spring from producing the phenomenon crooked and bounce-back at the atress amasss the in-process of potential energy, promote assembly security and assembly efficiency.

Description

Differential lock spring assembly fixture

Technical Field

The application relates to the technical field of differential lock spring assembly, in particular to a differential lock spring assembly tool.

Background

The differential lock is an important component of a drive axle, and has the function of quickly locking the differential when one drive wheel of the automobile slips and idles, so that the two drive wheels are rigidly connected, and the trafficability of the automobile on a bad road surface is improved. The differential lock is composed of a differential lock shifting fork, a meshing sleeve, a shifting fork shaft, a differential lock spring and the like. The differential lock spring has the function that when the differential lock does not work, the shifting fork is pushed by the spring force of the differential lock spring to quickly separate the meshing sleeve.

The main reducer casing space restriction, during the differential lock spring installation, operating personnel use the instrument that is similar to a style of calligraphy screwdriver more and compress tightly the spring to required height earlier, install the shift fork in the space that forms after main reducer casing and spring compress tightly again. However, because the space of the main reducer shell is limited and the elasticity of the spring is large, a large force is needed to compress the spring during installation, which requires a worker to have a strong arm force, and the labor intensity is high and the installation efficiency is low; and when the straight screwdriver is used for pressing, the spring is likely to rebound, so that the operator is injured.

SUMMERY OF THE UTILITY MODEL

In view of this, the application provides a differential lock spring assembly fixture, it can reduce the intensity of assembly work effectively to prevent that the spring from producing the phenomenon of bending and bounce in the atress process.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides a differential lock spring assembly frock, includes:

the mounting seat can be connected with the main speed reducer shell;

the operating piece is connected to the mounting seat and forms a lever structure;

the resistance end of the lever structure can drive the spring to accumulate potential energy, and a limiting structure capable of limiting the periphery of the spring is arranged.

Optionally, the resistance end is provided with a fork plate which can extend into a space between two adjacent spring coils of the spring and drive the spring to accumulate potential energy, and the limiting structure is arranged on one side of the fork plate.

Optionally, a through groove is formed in the fork plate, the limiting structure is a limiting protrusion arranged around the through groove, and a limiting area capable of abutting against the spring coil is formed on one side of the fork plate and between the through groove and the limiting protrusion.

Optionally, one of the mounting seat and the operating member is provided with a hinge hole, and the other one of the mounting seat and the operating member is provided with a hinge shaft, and the hinge shaft is rotatably connected in the hinge hole and forms a fulcrum of the lever structure.

Optionally, an avoiding groove is formed in the mounting seat, and the hinge holes are formed in two opposite sides of the avoiding groove.

Optionally, the mounting seat is provided in a plate shape, and the hinge holes are respectively located on two opposite plate surfaces of the mounting seat.

Optionally, the power arm of the lever structure is arranged obliquely with respect to a plane formed by the rotation axis of the lever structure and the resistance arm.

Optionally, the mounting seat is provided with a vertical pin shaft which can be connected with a bolt hole of the main speed reducer shell in a matched manner;

or, the mounting seat is set to be a right-angle plate and is provided with a horizontal pin shaft which can be matched and connected with the bolt hole of the main speed reducer shell.

Optionally, the through groove is provided in a U shape, a V shape, or an arc shape.

Optionally, the resistance end of the lever structure is proximate the fulcrum relative to the power end.

The application provides a differential lock spring assembly fixture, when using, connect the mount pad on the main reducer casing, the power end of the lever structure that user operation spare formed, it rotates for the fulcrum to drive the resistance end, so that the resistance end and spring cooperation and drive the spring and save the potential energy, the periphery of spring receives limit structure's limiting displacement simultaneously, so that the spring can only take place deformation along the axial of self, the prevention spring is being forced to save the in-process of potential energy and is producing the phenomenon of crooked and bounce-back, promote assembly security and assembly efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a block diagram of a differential lock spring assembly tool according to some embodiments;

FIG. 2 is a block diagram of a support base according to some embodiments;

FIG. 3 is a block diagram of an operating member according to some embodiments.

1. A supporting seat; 2. an operating member; 11. a flat plate; 12. a vertical pin shaft; 13. a hinge hole; 14. an avoidance groove; 21. a fork plate; 22. a limiting bulge; 23. a through groove; 24. hinging a shaft; 25. a handle.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1 to fig. 3, an embodiment of the present application provides a differential lock spring assembly fixture, which includes a mounting seat 1 and an operating element 2.

The mounting seat 1 can be mounted on a main speed reducer shell and plays a role in stable support.

The operating member 2 is connected to the mounting base 1, and forms a lever structure which can rotate relative to the mounting base 1, specifically, a fulcrum of the lever structure is formed at a connection between the mounting base 1 and the operating member, so that a power arm and a resistance arm of the lever structure can rotate around the fulcrum relative to the mounting base 1.

Wherein, lever structure has power end and resistance end, and the resistance end can drive the spring accumulation potential energy of the differential lock in the main reducer casing, because the spring is cylindric, can make the spring continue elastic potential energy when the spring is along the axial compression of self or tensile to play the elastic action, the drive spring accumulation potential energy here indicates to drive the spring along self axial compression or tensile.

Simultaneously, lever structure's resistance end is provided with limit structure, and this limit structure can be spacing to the periphery of spring, because the spring is cylindric, carries on spacingly through the outer face of cylinder to the spring, can guarantee that the spring can not outside Zhou Wanshe when accumulating potential energy, prevents that the spring from producing the phenomenon of bending and bounce-back at the in-process of the potential energy is accumulated in the atress, promotes the security of assembly.

When using, connect mount pad 1 on the main reducer casing, the power end of the lever structure that user operation operating parts 2 formed drives the resistance end and rotates for the fulcrum to make resistance end and spring cooperation and drive the spring and save the potential energy, the periphery of spring receives limit structure's limiting displacement simultaneously, so that the spring can only take place to deform along self axial, the prevention spring produces the phenomenon of bending and bounce-back at the in-process that the potential energy was saved in the atress. Moreover, the lever structure is a labor-saving lever, and the strength of assembly work is reduced.

So set up, carry on spacingly to the periphery of spring through limit structure, can prevent that the spring from producing the phenomenon crooked and bounce-back at the in-process of atress amasss potential energy, promote assembly security and assembly efficiency.

And the distance between the resistance end and the fulcrum is smaller than that between the power end and the fulcrum, so that the lever structure forms a labor-saving lever, the force application degree of a user to the power end can be reduced, the strength of assembly work is effectively reduced, and the assembly efficiency is improved.

In some embodiments, the resistance end of the lever structure is provided with a fork plate 21, the fork plate 21 can extend between two adjacent coils of the spring and drive the spring to accumulate potential energy, when the lever structure is used, the power end of the lever structure is operated, so that the fork plate 21 at the resistance end extends between two adjacent coils, the side surface of the fork plate 21 abuts against the coils to drive the coils to displace, and further the potential energy accumulation of the spring is realized.

Simultaneously, limit structure sets up in the side of fork board 21, and is comparatively stable with being connected and the cooperation of fork board 21, and limit structure is spacing in the periphery of spring coil, also makes the size of fork board 21 be greater than the size of spring coil, so, the contact of spring coil and fork board 21 is more reliable and more stable.

Of course, in some other schemes, the resistance end of the lever structure may also be provided with other structures to drive the spring to accumulate potential energy, for example, the resistance end of the lever structure is provided with clamping plates, and the clamping plates are clamped at two axial sides of the coil of the spring to drive the coil to displace.

As shown in fig. 3, the fork plate 21 is provided with a through groove 23, and since the spring is formed by winding a spring wire, two adjacent spring coils are connected by the spring wire, the through groove 23 is used for the spring wire to pass through when the fork plate 21 abuts against the spring coil, thereby ensuring the stability of the contact surface between the spring coil and the fork plate 21. Specifically, the through groove 23 may be a U-shaped groove, a V-shaped groove or an arc-shaped groove, and when the scheme of the U-shaped groove and the arc-shaped groove is adopted, the edge size formed by the through groove 23 on the fork plate 21 is smaller than the size of the spring coil, so that the spring coil is abutted against the fork plate 21 and does not penetrate through the through groove 23; when the scheme of the V-shaped groove is adopted, the spring wire between the adjacent spring coils can be clamped into the V-shaped groove, and a certain limiting effect is achieved on the spring.

The limiting structure is provided as a limiting protrusion 22, the limiting protrusion 22 is arranged around the through groove 23, namely, the limiting protrusion 22 is arranged at the periphery of the edge formed on the fork plate 21 by the through groove 23, the size of the limiting protrusion 22 is larger than that of the edge, so that a limiting area is formed on the side surface of the fork plate 21 and between the through groove 23 and the limiting protrusion 22, the limiting area can be embedded by a spring coil of a spring, and when the spring is driven to accumulate potential energy, the spring coil is tightly abutted to and limited in the limiting area. So, limit structure is bellied form, and convenient processing preparation, and makes fork board 21's wholeness better, the operation assembly of being convenient for.

Here the size of the stop area matches the size of the coil, promoting a tight fit of the coil to the yoke plate 21.

Specifically, the limiting protrusion 22 may be provided in the form of a protrusion having a U shape or an arc shape, or the limiting protrusion 22 may be provided in the form of a plurality of protrusions having a U shape or an arc shape, so that the limiting protrusion 22 can be distributed and limited on the outer circumference of the spring.

In some embodiments, the operating member 2 is connected to the mounting base 1 by a hinge structure including a hinge hole 13 and a hinge shaft 24, and the hinge shaft 24 is rotatably connected in the hinge hole 13 to form a fulcrum of the lever structure. Wherein, one of the operating member 2 and the mounting seat 1 is provided with a hinge hole 13, and the other is provided with a hinge shaft 24, so that the operating member 2 is rotatably connected with respect to the mounting seat 1. So, hinge structure's connection form is comparatively stable, can guarantee operating parts 2 and mount pad 1 when the atress, and the connection between the two is difficult to lose efficacy and damages.

It should be noted that, with reference to the above-mentioned embodiment, since the rotation direction of the hinge structure is fixed, the axial direction of the hinge shaft 24 or the hinge hole 13 on the operating element 2 is parallel to the plane of the fork plate 21 or the inclination angle is smaller, so that when the power end drives the resistance to rotate relative to the fulcrum, the force application direction of the resistance end to the spring is the same as the axial direction of the spring or the deviation is not large, and the force application degree of the power end can be further saved.

In this scheme, set up on mount pad 1 and dodge groove 14, the middle part of operating parts 2 holds in dodging groove 14, is provided with articulated shaft 24 respectively in the middle part both sides of operating parts 2 simultaneously, sets up hinge hole 13 respectively in the both sides of dodging groove 14, and two hinge holes 13 cooperate respectively with two articulated shaft 24, have further promoted operating parts 2 and mount pad 1's stability of being connected and reliability.

Further, mount pad 1 sets up to platelike, dodges groove 14 and runs through platelike mount pad 1's marginal zone, and two hinge hole 13 are located two relative faces of mount pad 1 respectively, so, the line of two hinge hole 13 sets up for the face slope of mount pad 1, can be based on the structural space restriction of main reducer casing for the resistance end of the lever structure that operating parts 2 formed suitably stretches into the inside position that holds the spring of main reducer casing, is convenient for exert the effort to the spring.

Specifically, when the avoiding groove 14 is formed in the mounting seat 1, the plate portion area where the avoiding groove 14 is formed may be divided into two portions located at both sides of the avoiding groove 14, and the two portions are bent toward the two opposite plate surfaces of the mounting seat 1, and the hinge holes 13 are processed respectively. Of course, hinge rings may be provided on both sides of the mounting seat 1 and on both sides of the escape groove 14 to form the hinge hole 13.

Of course, due to the installation space limitation of the final drive housing, two hinge openings 13 can also be provided on the two opposite groove walls of the escape groove 14.

As shown in fig. 3, the lever structure rotates relative to the mounting base 2 through the rotating shaft, the power arm of the lever structure is obliquely arranged relative to the plane formed by the resistance arm of the lever structure and the rotating shaft, so that the power arm and the resistance arm are bent, and based on the structural space limitation of the main reducer shell, when the resistance end of the lever structure drives the spring to accumulate potential energy, the power end has a large rotating space, so that the force application is facilitated for a user, and the pulling and inserting installation is facilitated. The rotation axis of the lever structure is the axis on which the fulcrum is located.

In the above embodiment, the fork, the rotating shaft, and the resistance arm are all located on the same plane, and the side where the power arm is inclined with respect to the plane and the side where the limiting structure is located on the fork are all located on the same side of the plane.

In order to facilitate the operation of the power end of the lever structure, a handle 25 is provided at the power end.

In combination with the above embodiment, in a specific scheme, the operating element 2 may be configured as a rod, one end of the operating element is provided with a fork plate 21, the other end of the operating element is provided with a handle 25, the middle of the operating element is provided with a hinge shaft 24 and is rotatably connected with the hinge hole 13 of the mounting base 1, so that the operating element forms the above lever structure, and the fork plate 21, the handle 25 and the hinge shaft 24 respectively form a resistance end, a power end and a fulcrum.

As shown in fig. 2, the mounting seat 1 is a flat plate 11, the side surface of the flat plate 11 is provided with a vertical pin shaft 12, the vertical pin shaft 12 can be connected with a bolt hole of a main speed reducer casing in a matched manner, specifically, a threaded hole in the vertical direction is formed in the main speed reducer casing, the vertical pin shaft 12 is connected with the threaded hole in a matched manner, a good fixing effect can be achieved, meanwhile, the original structure of the main speed reducer casing is utilized for connection, and the main speed reducer casing cannot be influenced after the spring is assembled. The threaded hole is the original structure on the main reducer casing, pegs graft in the threaded hole through the round pin axle, can realize the connection of mount pad for the main reducer casing.

Of course, the main reducer casing is also provided with a threaded hole in the horizontal direction, the mounting seat 1 is arranged to be a right-angle plate, one of the plates of the right-angle plate is provided with a horizontal pin shaft, and the horizontal pin shaft can be connected with a bolt hole in the horizontal arrangement of the main reducer casing in a matched mode.

It should be noted that the above horizontal and vertical descriptions are based on the vertical and horizontal descriptions of the final drive housing, and only the comparison of the directions of the two sets of threaded holes is used for illustration, and the scope of protection of the present application is not limited.

The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.

The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably herein. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".

It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations are to be considered as equivalents of the present application.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

It should be understood that the terms "first", "second", "third", "fourth", "fifth" and "sixth" used in the description of the embodiments of the present application are only used for clearly explaining the technical solutions, and are not used for limiting the protection scope of the present application.

The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.

Claims

1. The utility model provides a differential lock spring assembly frock which characterized in that includes:

the mounting seat can be connected with the main speed reducer shell;

2. The differential lock spring assembly tool according to claim 1, wherein the resistance end is provided with a fork plate which can extend between two adjacent coils of the spring and drive the spring to accumulate potential energy, and the limiting structure is arranged on one side of the fork plate.

3. The differential lock spring assembly tool according to claim 2, wherein a through groove is formed in the fork plate, the limiting structure is a limiting protrusion arranged around the through groove, and a limiting area capable of abutting against the spring coil is formed on one side of the fork plate and between the through groove and the limiting protrusion.

4. The differential lock spring assembly tooling of claim 1 wherein one of the mounting seat and the operating member is provided with a hinge hole and the other is provided with a hinge shaft, the hinge shaft is rotatably connected in the hinge hole and forms a fulcrum of the lever structure.

5. The differential lock spring assembly tooling of claim 4, wherein the mounting seat is provided with an avoiding groove, and the hinge holes are arranged on two opposite sides of the avoiding groove.

6. The differential lock spring assembly tool according to claim 5, wherein the mounting seat is plate-shaped, and the hinge holes are respectively located on two opposite plate surfaces of the mounting seat.

7. The differential lock spring assembly tooling of claim 1 wherein the power arm of the lever structure is disposed obliquely relative to a plane formed by the axis of rotation of the lever structure and the resistance arm of the lever structure.

8. The differential lock spring assembly tooling of claim 1, wherein the mounting seat is provided with a vertical pin shaft which can be connected with a bolt hole of the main reducer casing in a matching manner;

9. The differential lock spring assembly tooling of claim 3, wherein the through groove is U-shaped, V-shaped or arc-shaped.

10. The differential lock spring assembly tooling of any one of claims 1-9, wherein the resistance end of the lever structure is adjacent to the fulcrum relative to the power end.