CN218927688U

CN218927688U - Reverse gear shaft bearing dismounting tool

Info

Publication number: CN218927688U
Application number: CN202223239970.6U
Authority: CN
Inventors: 童国卿; 唐亮
Original assignee: Wuhan Zebang Technology Co ltd
Current assignee: Wuhan Zebang Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-04-28
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a reverse gear shaft bearing dismounting tool which comprises an expansion rod, a compression plate and an adjusting nut, wherein the bottom end of the expansion rod is relatively provided with a connecting part, the bottom end of the connecting part is provided with a thin rod, the bottom of the thin rod is provided with a claw, the axis of the expansion rod is provided with an expansion cavity, a top bolt is screwed in the expansion cavity, the outer wall of the expansion rod is provided with external threads, the compression plate is sleeved on the periphery of the expansion rod, the bottom of the compression plate is provided with a supporting sleeve, and the adjusting nut is screwed on the external threads to press down the compression plate.

Description

Reverse gear shaft bearing dismounting tool

Technical Field

The utility model relates to the technical field of bearing disassembly, in particular to a reverse gear shaft bearing disassembly tool.

Background

When the reverse gear shaft bearing of the automobile is maintained or replaced, the reverse gear shaft bearing is required to be operated by using a crow bar, a sledge hammer and the like, so that time and labor are wasted, the edge of the reverse gear shaft is easy to damage, and therefore, the reverse gear shaft bearing dismounting tool is provided.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-mentioned and/or problems occurring in the use of reverse shaft bearing removal tools.

Therefore, the utility model aims to provide the reverse gear shaft bearing dismounting tool which is simple and convenient in dismounting operation process, stable in dismounting mode and capable of avoiding abrasion to the reverse gear shaft.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

a reverse shaft bearing removal tool, comprising:

the expansion rod is provided with a connecting part at the bottom end opposite to the bottom end of the expansion rod, a thin rod is arranged at the bottom end of the connecting part, a claw is arranged at the bottom of the thin rod, an expansion cavity is arranged at the axis of the expansion rod, a top bolt is screwed in the expansion cavity, and an external thread is arranged on the outer wall of the expansion rod;

the compression plate is sleeved on the periphery of the expansion rod, and a supporting sleeve is arranged at the bottom of the compression plate;

and the adjusting nut is screwed on the external thread to press the compacting plate downwards.

As a preferable scheme of the reverse gear shaft bearing dismounting tool, the bottom of the expansion cavity is provided with a conical groove.

As a preferable mode of the reverse shaft bearing dismounting tool of the utility model, the bottom of the top bolt is provided with a conical tip.

As a preferable scheme of the reverse gear shaft bearing dismounting tool, a fixing nut is arranged at the top of the expansion rod, and the top bolt is matched with the fixing nut.

As a preferable scheme of the reverse gear shaft bearing dismounting tool, the support sleeve is made of a steel pipe with the inner diameter larger than the outer diameter of the bearing, and an opening is formed in the outer wall of the steel pipe.

Compared with the prior art, the utility model has the following beneficial effects: this kind of reverse gear axle bearing extracting tool, through inserting the bottom of bearing holder with the jack catch, twist the expansion chamber with the top bolt again, expand the slender rod outside, the jack catch chucking is in the below of bearing holder, adjusting nut and external screw thread cooperation, clockwise screw and move adjusting nut, push down the pressure strip, provide axial ascending pulling force for the expansion rod, and then pull out the bearing. Therefore, the disassembly operation process is simple and convenient, the disassembly mode is stable, and the abrasion to the reverse gear shaft can be avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a schematic view of the overall structure of a reverse shaft bearing removal tool of the present utility model;

FIG. 2 is an exploded view of a reverse shaft bearing removal tool of the present utility model;

FIG. 3 is a schematic cross-sectional partial structure of a reverse shaft bearing removal tool of the present utility model.

100. An expansion rod; 101. an external thread; 102. an expansion chamber; 110. a fixing nut; 120. a connection part; 130. a thin rod; 131. a claw; 140. a top bolt; 200. a compacting plate; 210. a support sleeve; 300. and adjusting the nut.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides a reverse gear shaft bearing dismounting tool which is simple and convenient in dismounting operation process, stable in dismounting mode and capable of avoiding abrasion to a reverse gear shaft.

Fig. 1 to 3 are schematic structural views showing an embodiment of a reverse shaft bearing removing tool according to the present utility model, referring to fig. 1 to 3, a main body portion of the reverse shaft bearing removing tool includes an expansion rod 100, a compression plate 200 and an adjusting nut 300.

The expansion rod 100 is formed by inserting the claw 131 into the bottom of the bearing retainer, screwing the top bolt 140 into the expansion cavity 102, expanding the thin rod 130 to the outside, clamping the claw 131 below the bearing retainer, specifically, the bottom end of the expansion rod 100 is provided with the connecting part 120 relatively, the bottom end of the connecting part 120 is provided with the thin rod 130, the bottom of the thin rod 130 is provided with the claw 131, the axis of the expansion rod 100 is provided with the expansion cavity 102, the top bolt 140 is screwed into the expansion cavity 102, the outer wall of the expansion rod 100 is provided with the external thread 101, in this embodiment, the bottom of the expansion cavity 102 is provided with a conical groove, the bottom of the top bolt 140 is provided with a conical tip, the top of the expansion rod 100 is provided with the fixing nut 110, and the top bolt 140 is matched with the fixing nut 110;

the compacting plate 200 is similar to pressing down the supporting sleeve 210, specifically, the compacting plate 200 is sleeved on the periphery of the expansion rod 100, the supporting sleeve 210 is arranged at the bottom of the compacting plate 200, in this embodiment, the supporting sleeve 210 is made of a steel pipe with an inner diameter larger than the outer diameter of the bearing, and an opening is formed in the outer wall of the steel pipe;

the adjusting nut 300 is matched with the external thread 101, the adjusting nut 300 is screwed clockwise to press the compacting plate 200 downwards, axial tension is provided for the expansion rod 100, then the bearing is pulled down, the operation process is simple and convenient, the disassembling mode is stable, abrasion to a reverse gear shaft can be avoided, and specifically, the adjusting nut 300 is screwed on the external thread 101 to press the compacting plate 200 downwards.

Referring to fig. 1-3, the reverse shaft bearing dismounting tool of this embodiment is specifically used as follows, by inserting the claw 131 into the bottom of the bearing holder, screwing the top bolt 140 into the expansion cavity 102, expanding the thin rod 130 to the outside, clamping the claw 131 under the bearing holder, engaging the adjusting nut 300 with the external thread 101, screwing the adjusting nut 300 clockwise, pressing the compacting plate 200 downward, providing an axial pulling force for the expansion rod 100, and further pulling the bearing down. Therefore, the disassembly operation process is simple and convenient, the disassembly mode is stable, and the abrasion to the reverse gear shaft can be avoided.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A reverse shaft bearing removal tool, comprising:

the expansion rod (100), the bottom of expansion rod (100) is provided with connecting portion (120) relatively, the bottom of connecting portion (120) is provided with thin pole (130), the bottom of thin pole (130) is provided with jack catch (131), the axle center department of expansion rod (100) is provided with expansion chamber (102), top bolt (140) has been twisted to expansion chamber (102) inside, the outer wall of expansion rod (100) is provided with external screw thread (101);

the compression plate (200) is sleeved on the periphery of the expansion rod (100), and a supporting sleeve (210) is arranged at the bottom of the compression plate (200);

and the adjusting nut (300) is screwed on the external thread (101) to press down the compression plate (200).

2. A reverse shaft bearing removal tool as claimed in claim 1, wherein the bottom of the expansion chamber (102) is provided as a conical recess.

3. A reverse shaft bearing removal tool as claimed in claim 2, wherein the bottom of the top bolt (140) is provided as a tapered tip.

4. A reverse shaft bearing removal tool according to claim 3, characterized in that the top of the expansion rod (100) is provided with a fixing nut (110), the top bolt (140) being adapted to the fixing nut (110).

5. The reverse shaft bearing dismounting tool as claimed in claim 4, wherein the support sleeve (210) is made of a steel pipe with an inner diameter larger than an outer diameter of the bearing, and an opening is formed in an outer wall of the steel pipe.