CN216577653U

CN216577653U - Frock convenient to dismouting bearing

Info

Publication number: CN216577653U
Application number: CN202122616543.4U
Authority: CN
Inventors: 贾红良
Original assignee: Shandong Lvbang Biotechnology Co ltd
Current assignee: Shandong Lvbang Biotechnology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-24
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to a tool convenient for dismounting a bearing, which comprises a shell with an opening at the bottom, wherein a group of opposite sides of the opening are respectively provided with a supporting plate connected with the shell; the supporting plates are provided with pull plates in a sliding manner, and one ends of the two supporting plates are provided with adjusting components for adjusting the distance between the two pull plates; and a top rod with threads on the outer side vertically penetrates through the top of the shell, and the top rod is in threaded connection with the shell. One end of the shaft body provided with the bearing extends into the shell, the adjusting assembly is operated to adjust the distance between the two pulling plates, so that the pulling plates are in contact with the bottom of the bearing, the bearing is disassembled under the action of jacking the shaft body by the jacking rod, and the applicability of the bearing to different specifications can be improved.

Description

Frock convenient to dismouting bearing

Technical Field

The utility model belongs to the technical field of bearing disassembly, and particularly relates to a tool convenient for disassembling and assembling a bearing.

Background

The bearing is usually disassembled by knocking or pulling, wherein the pulling is minimally harmful to the gear and the chain wheel; the bearing is pulled out through tools such as a puller, and the puller is not suitable for bearings with small thickness due to the structural characteristics of the puller, so that a tool which is low in cost and convenient for pulling the bearing is needed; and because the diameters of the bearings with different specifications are different, the operation tool with fixed specification can not be applied.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the tool cannot be applied to the disassembly of bearings with different specifications, the utility model provides a tool convenient for disassembling and assembling the bearings.

The utility model is realized by the following technical scheme:

a tool convenient for dismounting a bearing comprises a shell with an opening at the bottom, wherein a group of opposite sides of the opening are respectively provided with a supporting plate connected with the shell;

pull plates are arranged on the supporting plates in a sliding mode, and an adjusting assembly for adjusting the distance between the two pull plates is arranged at one end of each of the two supporting plates;

and a top rod with threads on the outer side is vertically penetrated through the top of the shell and is in threaded connection with the shell.

One end of the shaft body provided with the bearing extends into the shell, the adjusting assembly is operated to adjust the distance between the two pulling plates, so that the pulling plates are in contact with the bottom of the bearing, the bearing is disassembled under the action of jacking the shaft body by the jacking rod, and the applicability of the bearing to different specifications can be improved.

In a further improvement of the present invention, the adjustment assembly includes a double-threaded screw and a guide cylinder; the number of the guide cylinders is two, and the inner wall of each guide cylinder is provided with a thread matched with the double-head screw; the two guide cylinders are respectively connected with the two pulling plates, and the axial leads of the two guide cylinders are positioned on the same straight line. The distance between the two pulling plates can be adjusted by operating the double-headed screw to act on the guide cylinder.

The utility model further improves the structure that a supporting part for supporting the double-head screw rod is arranged on the shell. The support to the double-threaded screw is improved through the supporting part, and the deformation of the double-threaded screw is avoided.

The utility model is further improved in that a limiting groove is arranged above the supporting plate, and the limiting groove is arranged on the shell; the pulling plate is arranged in the limiting groove in a sliding mode. The arm-tie passes the spacing groove and extends to the casing outside, forms the support to the arm-tie top through the top edge of spacing groove, and the spacing groove removes formation direction to the layer board and prescribes a limit to.

The utility model is further improved in that a group of outer side walls of the shell are provided with pressing plates which extend outwards horizontally, and the pressing plates are arranged on the upper edge of the limiting groove. Through setting up the clamp plate at spacing groove upper edge, support the arm-tie part that extends the casing, structural strength when improving the dismantlement bearing.

The utility model further improves that an arc-shaped notch is arranged on one side edge of the two pulling plates which are close to each other. The contact area of the bearing is effectively increased through the arc-shaped notch.

The utility model is further improved in that a reinforcing rib plate is connected between the two supporting plates. The structural strength of the two supporting plates is improved through the reinforcing rib plates.

The utility model is further improved in that a placing opening is formed in one side face of the shell, and the placing opening is arranged between the two supporting plates. The operation is performed by placing the bearing to be disassembled into the shell through the placing opening.

According to the technical scheme, the utility model has the beneficial effects that: one end of the shaft body provided with the bearing extends into the shell, the adjusting assembly is operated to adjust the distance between the two pulling plates, so that the pulling plates are in contact with the bottom of the bearing, the bearing is disassembled under the action of jacking the shaft body by the jacking rod, and the applicability of the bearing to different specifications can be improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a first structural diagram of an embodiment of the present invention.

Fig. 2 is a second structural diagram of the embodiment of the present invention.

Fig. 3 is a schematic view of a combination structure of a double-threaded screw and a pulling plate according to an embodiment of the present invention.

In the drawings: 1. the device comprises a shell, 11 placing openings, 12 limiting grooves, 13 opening openings, 14 supporting parts, 2 supporting plates, 31 arc-shaped notches, 32 guiding cylinders, 3 pulling plates, 4 double-head screws, 5 pressing plates, 6 ejector rods.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all 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 scope of protection of this patent.

As shown in the attached drawings, the tool convenient for dismounting and mounting the bearing comprises a shell 1, wherein a placing opening 11 is formed in one side edge of the shell 1. The operation is performed by placing the port 11 so that the bearing to be disassembled is placed in the housing 1. An opening 13 is formed in the bottom of the shell 1, and symmetrical supporting plates 2 are arranged on a group of opposite sides of the opening 13, which are adjacent to the placing opening 11; a reinforcing rib plate is connected between the two supporting plates 2. The structural strength of the two supporting plates 2 is improved through the reinforcing rib plates.

A limiting groove 12 is arranged above the supporting plate 2, and the limiting groove 12 is arranged on the shell 1; the limiting groove 12 is internally provided with a pulling plate 3 in a sliding way. The pulling plate 3 passes through the limiting groove 12 and extends to the outside of the shell 1, and the top of the pulling plate 3 is supported by the upper edge of the limiting groove 12.

An arc-shaped notch 31 is arranged on one side edge of the two pulling plates 3 which are close to each other. The contact area to the bearing is effectively increased by the arc-shaped notch 31.

And a group of outer side walls of the shell 1 are provided with pressing plates 5 extending outwards horizontally, and the pressing plates 5 are arranged on the upper edge of the limiting groove 12. The part of the pulling plate 3 extending out of the shell 1 is supported by the pressing plate 5 arranged on the upper edge of the limiting groove 12, so that the structural strength of the bearing during disassembly is improved.

One end of the bottom surface of each of the two pulling plates 3 is provided with a guide cylinder 32, the axial leads of the two guide cylinders 32 are positioned on the same straight line, and a thread groove is arranged in each guide cylinder 32. The shell 1 between the two guide cylinders 32 is provided with a supporting part 14, and the supporting part 14 is provided with a double-threaded screw rod 4 in threaded connection with the two guide cylinders 32. The adjustment of the distance between the two pulling plates 3 is accomplished by operating the double-headed screw 4 to act on the guide cylinder 32.

The top of the shell 1 is vertically penetrated with a mandril 6 with threads on the outer side, and the mandril 6 is in threaded connection with the shell 1. And an operating handle is arranged at the top of the ejector rod 6. The bottom of the ejector rod 6 is rotatably connected with a transition plate. The transition plate is rotatably arranged on the ejector rod 6, so that abrasion in the circumferential direction caused by direct contact of the ejector rod 6 and a shaft body of the bearing is avoided.

The device is also suitable for other interference fit product structures, such as gears.

In summary, when the device is used, the distance between the two pulling plates 3 and the depth of the top rod 6 extending into the housing 1 are adjusted in advance according to the diameter of the bearing. The outside of bearing is located through placing mouthful 11 covers with casing 1 afterwards, bears the bottom of bearing through arm-tie 3 to adjust stud, with the distance between the axis body of reducing arm-tie 3 and bearing. The operating push rod 6 descends spirally and makes the bottom of the operating push rod contact with the shaft body of the bearing. With the continuous descending of the mandril 6, the bearing is pulled down from the shaft body carrying the bearing.

According to the tool convenient for dismounting the bearing, one end of the shaft body provided with the bearing extends into the shell, the adjusting assembly is operated to adjust the distance between the two pulling plates, so that the pulling plates are in contact with the bottom of the bearing, the bearing is dismounted under the action of jacking of the jacking rod on the shaft body, and the applicability of the tool to bearings of different specifications can be improved.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

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

Claims

1. The tool convenient for dismounting the bearing is characterized by comprising a shell (1) with an opening (13) at the bottom, wherein a group of opposite sides of the opening (13) are respectively provided with a supporting plate (2) connected with the shell (1); the supporting plates (2) are provided with pull plates (3) in a sliding manner, and one ends of the two supporting plates (2) are provided with adjusting components for adjusting the distance between the two pull plates (3); the top of the shell (1) is vertically penetrated with an ejector rod (6) with threads on the outer side, and the ejector rod (6) is in threaded connection with the shell (1).

2. The tool for facilitating the dismounting and mounting of the bearing according to the claim 1 is characterized in that the adjusting assembly comprises a double-end screw (4) and a guide cylinder (32); two guide cylinders (32) are arranged, and threads matched with the double-threaded screw (4) are arranged on the inner wall of each guide cylinder (32); the two guide cylinders (32) are respectively connected with the two pulling plates (3), and the axial leads of the two guide cylinders (32) are positioned on the same straight line.

3. The tool convenient for assembling and disassembling the bearing according to claim 2, characterized in that a supporting portion (14) for supporting the double-threaded screw (4) is arranged on the housing (1).

4. The tool convenient for dismounting and mounting a bearing according to claim 2, characterized in that a limiting groove (12) is arranged above the supporting plate (2), and the limiting groove (12) is arranged on the shell (1); the pulling plate (3) is arranged in the limiting groove (12) in a sliding mode.

5. The tool convenient for dismounting and mounting a bearing according to claim 4, wherein a set of outer side walls of the housing (1) are provided with pressure plates (5) extending horizontally outwards, and the pressure plates (5) are arranged on the upper edge of the limiting groove (12).

6. The tooling for facilitating the disassembly and assembly of a bearing according to any one of claims 1 to 5, wherein an arc-shaped notch (31) is formed in one side edge of each of the two pulling plates (3).

7. The tool convenient for dismounting and mounting a bearing according to any one of claims 1 to 5, characterized in that a reinforcing rib plate is connected between the two supporting plates (2).

8. The tool convenient for dismounting and mounting the bearing according to any one of claims 1 to 5, wherein a placing opening (11) is formed in one side surface of the shell (1), and the placing opening (11) is formed between the two supporting plates (2).