CN216422344U

CN216422344U - Bearing disassembling tool

Info

Publication number: CN216422344U
Application number: CN202122376725.9U
Authority: CN
Inventors: 匡华平; 袁玲; 周辉; 肖康; 张河; 尹建刚; 高云峰
Original assignee: Han s Laser Technology Industry Group Co Ltd
Current assignee: Shenzhen Hans Semiconductor Equipment Technology Co Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-05-03
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to a hand tool technical field particularly, relates to a bearing extracting tool. The bearing dismounting tool comprises a first connecting piece, a second connecting piece and an adjusting piece, wherein the first connecting piece is rotatably connected with the second connecting piece, a first clamping part is arranged at the first end of the first connecting piece, a second clamping part is arranged at the first end of the second connecting piece, the adjusting piece is movably connected with the second end of the first connecting piece and/or the second end of the second connecting piece, and the adjusting piece is used for adjusting an included angle between the second end of the first connecting piece and the second end of the second connecting piece. The utility model discloses a contained angle that the regulating part was held to the second of first connecting piece and between the second of second connecting piece is held is adjusted to this realization is dismantled not unidimensional bearing, and the regulating part can also be fixed the contained angle between first connecting piece and the second connecting piece simultaneously, presss from both sides tightly the bearing through first clamping part and second clamping part, is convenient for dismantle the bearing.

Description

Bearing disassembling tool

Technical Field

The utility model relates to a hand tool technical field particularly, relates to a bearing extracting tool.

Background

In equipment design, all can use the bearing that the big or small kind is different usually, especially deep groove ball bearing, and also different using-way according to the difference of design structure is also different, and the installation of bearing is according to different environment, and the tolerance cooperation of use can be different, and need adopt different instruments to dismantle to the bearing of different sizes, and it is not high and troublesome to dismantle efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be that the dismantlement inefficiency that the bearing size difference caused, dismantle complicacy.

In order to solve the problem, the utility model provides a bearing dismounting tool, bearing dismounting tool includes first connecting piece, second connecting piece and regulating part, first connecting piece with the second connecting piece rotates to be connected, the first of first connecting piece is served and is provided with first clamping part, the first of second connecting piece is served and is provided with the second clamping part, the regulating part respectively with the second end of first connecting piece and/or the second end swing joint of second connecting piece, the regulating part is used for adjusting the second end of first connecting piece with contained angle between the second end of second connecting piece.

Optionally, the bearing removal tool further includes a third connecting member and a fourth connecting member, the fourth connecting member is slidably connected to the third connecting member, the first end of the third connecting member is connected to the first connecting member and/or the second connecting member, and the fourth connecting member is adapted to be in stop fit with the second end of the third connecting member.

Optionally, the fourth connecting member is a tubular structure, and the circumferential outer surface of the third connecting member is sleeved with the fourth connecting member.

Optionally, the third connector includes a limiting structure located at the second end of the third connector, and the fourth connector is adapted to cooperate with the limiting structure in a stop manner.

Optionally, the third connecting piece and the limiting structure are of a cylindrical structure, and the diameter of the limiting structure is larger than that of the third connecting piece.

Optionally, the bearing removal tool further includes a fifth connecting member, the fifth connecting member is connected to the first end of the third connecting member, and the fifth connecting member is rotatably connected to the first connecting member and the second connecting member, respectively.

Optionally, the fifth connecting piece includes a first connecting plate and a second connecting plate, the first connecting piece and the second connecting piece are located between the first connecting plate and the second connecting plate, the first connecting piece is rotatably connected to the first connecting plate and the second connecting plate, and the second connecting piece is rotatably connected to the first connecting plate and the second connecting plate.

Optionally, the rotational connection position of the first connecting piece and the second connecting piece, and the rotational connection position of the fifth connecting piece and the first connecting piece and the second connecting piece are coaxially arranged.

Optionally, a first groove structure is formed in the first clamping portion, a second groove structure is formed in the second clamping portion, and the first groove structure and the second groove structure are used for being attached to the circumferential inner surface of the bearing.

Optionally, a threaded hole is formed in the first connecting piece or the second connecting piece, the adjusting piece is in threaded connection with the threaded hole, and one end of the adjusting piece is suitable for penetrating through the threaded hole to abut against the second connecting piece or the first connecting piece.

Compared with the prior art, bearing extracting tool beneficial effect who has be:

the included angle between the second end of the first connecting piece and the second end of the second connecting piece is adjusted through the adjusting piece, so that the bearings of different sizes are disassembled, meanwhile, the included angle between the first connecting piece and the second connecting piece can be fixed through the adjusting piece, the bearings are clamped through the first clamping part and the second clamping part, and the bearings are convenient to disassemble.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a bearing dismounting tool of the present invention;

fig. 2 is a schematic view of an overall structure of an embodiment of the bearing detaching tool of the present invention;

fig. 3 is a schematic view of the overall structure of another embodiment of the bearing dismounting tool of the present invention;

fig. 4 is a schematic cross-sectional structure view of an embodiment of the bearing detaching tool of the present invention;

fig. 5 is a partial enlarged view of a portion a in fig. 4 according to the present invention;

fig. 6 is a partial enlarged view of the position B in fig. 4 according to the present invention.

Description of reference numerals:

1-a first connector; 11-a first clamping portion; 111-a first groove structure; 2-a second connector; 21-a second clamping part; 211-a second groove structure; 3-an adjusting part; 41-a third connector; 411-a limiting structure; 42-a fourth connection; 43-a fifth connection; 431-a first connection plate; 432-a second connecting plate; 5-a bearing.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

The terms "first", "second", "third", "fourth" and "fifth", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first," "second," "third," "fourth," and "fifth" may explicitly or implicitly include at least one such feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, an embodiment of the utility model provides a bearing dismounting tool, bearing dismounting device includes first connecting piece 1, second connecting piece 2 and regulating part 3, first connecting piece 1 with second connecting piece 2 rotates to be connected, first connecting piece 1 is served and is provided with first clamping part 11, second connecting piece 2 is served and is provided with second clamping part 21, regulating part 3 respectively with first connecting piece 1's second end and/or second connecting piece 2's second end swing joint, regulating part 3 is used for adjusting first connecting piece 1's second end with contained angle between second connecting piece 2's the second end.

The first connecting piece 1 and the second connecting piece 2 can be rod-shaped, the rotating joint of the first connecting piece 1 and the second connecting piece 2 is positioned on one side close to the adjusting piece 3, the ratio of the distance from the rotating joint to the second end of the first connecting piece 1 and/or the second connecting piece 2 to the distance from the rotating joint to the first end of the first connecting piece 1 and/or the second connecting piece 2 can be between 1: 2 to 1: 4 in the middle. Therefore, when the adjusting piece 3 adjusts the included angle between the second ends of the first connecting piece 1 and the second connecting piece 2, the first ends of the first connecting piece 1 and the second connecting piece 2 can be opened and closed, and the second ends of the first connecting piece 1 and the second connecting piece 2 move by a small distance, so that the change of the large distance between the first ends of the first connecting piece 1 and the second connecting piece 2 can be realized. During the process of disassembling the bearing 5, especially for the type of bearing 5 fitted inside the drum, a typical disassembling tool may not be able to remove the bearing 5 from the drum, because another section of the drum is closed, or the opening is small. And can't carry out corresponding adaptation according to the opening size of cylinder, when dismantling the bearing 5 of different specifications, need change different sizes, the extracting tool of different specifications is demolishd, and is very troublesome to dismantle the effect not good enough.

The included angle between the second ends of the first connecting piece 1 and the second connecting piece 2 is reduced through the adjusting piece 3, and at the moment, the first ends of the first connecting piece 1 and the second connecting piece 2 are reduced accordingly. The first ends of the first connecting piece 1 and the second connecting piece 2 extend into the opening of the roller, when the position of the bearing 5 to be taken out is reached, the included angle between the second ends of the first connecting piece 1 and the second connecting piece 2 is gradually adjusted through the adjusting piece 3, and at the moment, the included angle between the first ends of the first connecting piece 1 and the second connecting piece 2 is increased. The first clamping part 11 and the second clamping part 21 simultaneously clamp the circumferential inner surface of the bearing 5, and at the moment, the first connecting piece 1 and the second connecting piece 2 are pulled out of the bearing 5 by hands or external tools, so that the bearing 5 can be disassembled, and the bearings 5 of different specifications can be disassembled.

The included angle between the second end of first connecting piece 1 and the second end of second connecting piece 2 is adjusted through regulating part 3 to this realization is dismantled not unidimensional bearing 5, and regulating part 3 can also be fixed the included angle between first connecting piece 1 and the second connecting piece 2 simultaneously, presss from both sides tightly bearing 5 through first clamping part 11 and second clamping part 21, is convenient for dismantle bearing 5.

As shown in fig. 2 and 3, the bearing 5 dismounting tool further includes a third connecting member 41 and a fourth connecting member 42, the fourth connecting member 42 is slidably connected to the third connecting member 41, a first end of the third connecting member 41 is connected to the first connecting member 1 and/or the second connecting member 2, and the fourth connecting member 42 is adapted to cooperate with a second end stop of the third connecting member 41.

When the bearing 5 is disassembled, the bearing 5 is difficult to disassemble due to rust or other reasons caused by long-term use of the bearing 5 in the equipment, and the bearing 5 cannot be disassembled from the roller only by pulling the bearing 5 outwards through the first connecting piece 1 and the second connecting piece 2. By providing the third connecting member 41 and the fourth connecting member 42, the first end of the third connecting member 41 is connected to the first connecting member 1 and/or the second connecting member 2. At this time, the user can hold the fourth link 42, so that the fourth link 42 slides on the third link 41, and the bearing 5 is forced to fall off from the drum due to inertia by the fourth link 42 hitting the second end of the third link 41. If the bearing 5 is not yet detached, the user can operate the fourth connecting member 42 to reciprocate for multiple times to impact the second end of the third connecting member 41 for multiple times, and the bearing 5 can be detached from the roller under the action of inertia, so that the bearing 5 can be detached.

As shown in fig. 2 and 3, the fourth connecting member 42 is a tubular structure, and the fourth connecting member 42 is sleeved on the circumferential outer surface of the third connecting member 41. Also in a preferred manner, the fourth connecting member 42 may be a tubular structure, and the fourth connecting member 42 may be matched with the third connecting member 41. For example, the fourth connecting member 42 may have a square tube structure or a circular tube structure, and the third connecting member 41 may have a square column or a circular column, and the third connecting member 41 may have a hollow structure or a solid structure. Therefore, the circumferential surface of the third connecting member 41 is sleeved with the fourth connecting member 42, so that the operation of a user is facilitated, and the bearing 5 is convenient to disassemble.

As shown in fig. 2 and 3, the third connecting element 41 includes a limiting structure 411, the limiting structure 411 is located at the second end of the third connecting element 41, and the fourth connecting element 42 is adapted to be in stop fit with the limiting structure 411. The position-limiting structure 411 may be integrally formed with the second end of the third connecting member 41, or the position-limiting structure 411 may be welded to the second end of the third connecting member 41, or the position-limiting structure 411 may be fixed to the second end of the third connecting member 41 by means of a bolt connection. The shape of the position limiting structure 411 may be a triangular structure, a square structure, etc.

As shown in fig. 2 and fig. 3, the third connecting element 41 and the limiting structure 411 are cylindrical structures, and the diameter of the limiting structure 411 is larger than that of the third connecting element 41. This prevents the fourth link 42 from falling off the third link 41 when the fourth link 42 slides on the third link 41. Meanwhile, the limiting structure 411 can be matched with the fourth connecting piece 42, so that the bearing 5 can be detached.

As shown in fig. 2 and 3, the bearing 5 dismounting tool further includes a fifth connecting member 43, the fifth connecting member 43 is connected to the first end of the third connecting member 41, and the fifth connecting member 43 is rotatably connected to the first connecting member 1 and the second connecting member 2, respectively. The fifth connecting element 43 is connected to the first connecting element 1 and/or the second connecting element 2 in a rotatable manner, so that the bearing 5 can be removed from a specific position. For example, when the shielding object is disposed axially above the bearing 5, the dismounting tool for the bearing 5 may not be able to be put in along the circumferential direction of the bearing 5, and at this time, the fifth connecting member 43 is rotatably connected to the first connecting member 1 and/or the second connecting member 2, the first connecting member 1 and the second connecting member 2 may be put in the bearing 5 along the axial direction of the bearing 5, and the fifth connecting member 43 may form a certain included angle with the axial direction of the bearing 5, so as to dismount the bearing 5 at a specific position.

As shown in fig. 2 and 3, the fifth link 43 includes a first link plate 431 and a second link plate 432, the first link 1 and the second link 2 are located between the first link plate 431 and the second link plate 432, the first link 1 is rotatably connected to the first link plate 431 and the second link plate 432, and the second link 2 is rotatably connected to the first link plate 431 and the second link plate 432. First connecting plate 431 and second connecting plate 432 are close to first connecting piece 1 with one side of second connecting piece 2 can be parallel to each other, through first connecting plate 431 and second connecting plate 432 to first connecting piece 1 with second connecting piece 2 is fixed simultaneously, can ensure its good joint strength, when the guarantee uses for a long time, bearing 5 extracting tool's reliability.

As shown in fig. 2 and 3, the rotational connection position of the first connecting member 1 and the second connecting member 2 and the rotational connection position of the fifth connecting member 43 and the first connecting member 1 and the second connecting member 2 are coaxially arranged. First connecting piece 1, second connecting piece 2 and fifth connecting piece 43 can be through a round pin hub connection, through first connecting piece 1, second connecting piece 2 and the fifth connecting piece 43 that the center of rotation coaxial axle set up, can realize that a round pin axle is fixed first connecting piece 1, second connecting piece 2 and fifth connecting piece 43 simultaneously, and the rotation between first connecting piece 1, second connecting piece 2 and the fifth connecting piece 43 is not influenced.

As shown in fig. 4 and 6, a first groove structure 111 is formed on the first clamping portion 11, a second groove structure 211 is formed on the second clamping portion 21, and the first groove structure 111 and the second groove structure 211 are used for being attached to the circumferential inner surface of the bearing 5. The bearing 5 may be positioned in the first and

second groove structures

111 and 211, whereby the ends of the first and

second clamping portions

11 and 21 may hook one end of the bearing 5. Therefore, when the first clamping portion 11 and the second clamping portion 21 move outwards along the axial direction of the bearing 5, the first clamping portion 11 and the second clamping portion 21 can provide outwards pulling force to the bearing 5, and therefore the bearing 5 can be disassembled.

As shown in fig. 4 and 5, a threaded hole is formed in the first connecting piece 1 or the second connecting piece 2, the adjusting piece 3 is in threaded connection with the threaded hole, and one end of the adjusting piece 3 is adapted to pass through the threaded hole to abut against the second connecting piece 2 or the first connecting piece 1. The adjusting part 3 can be a bolt, one end of the bolt can be screwed in along the threaded hole on the first connecting part 1 or the second connecting part 2, and one end of the bolt can partially extend out of the threaded hole and then abut against the second connecting part 2 or the first connecting part 1 to provide supporting force and ensure an included angle between the first connecting part 1 and the second connecting part 2.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure.

Claims

1. The utility model provides a bearing dismounting tool, its characterized in that, includes first connecting piece, second connecting piece and regulating part, first connecting piece with the second connecting piece rotates to be connected, the first end of first connecting piece is provided with first clamping part, the first end of second connecting piece is provided with the second clamping part, the regulating part respectively with the second end of first connecting piece and/or the second end swing joint of second connecting piece, the regulating part be used for adjusting the second end of first connecting piece with contained angle between the second end of second connecting piece.

2. The bearing removal tool of claim 1, further comprising a third connector and a fourth connector, the fourth connector being slidably coupled to the third connector, a first end of the third connector being coupled to the first connector and/or the second connector, the fourth connector being adapted to engage a second end stop of the third connector.

3. The bearing disassembly tool of claim 2, wherein the fourth connector is a tubular structure, and the fourth connector is sleeved on the circumferential outer surface of the third connector.

4. The bearing removal tool of claim 2, wherein the third connector includes a stop feature at the second end of the third connector, the fourth connector adapted to engage the stop feature.

5. The bearing removal tool of claim 4, wherein the third connection member and the limiting structure are cylindrical structures, and the diameter of the limiting structure is larger than that of the third connection member.

6. The bearing removal tool of claim 2, further comprising a fifth connector coupled to a first end of the third connector, the fifth connector being rotatably coupled to the first connector and the second connector, respectively.

7. The bearing disassembly tool of claim 6, wherein the fifth connector comprises a first connector plate and a second connector plate, the first connector and the second connector plate being positioned between the first connector plate and the second connector plate, the first connector being rotationally coupled to the first connector plate and the second connector plate, the second connector being rotationally coupled to the first connector plate and the second connector plate.

8. The bearing removal tool of claim 6, wherein the rotational connection of the first connector to the second connector, and the rotational connection of the fifth connector to the first connector and the second connector are coaxially disposed.

9. The bearing removal tool of claim 1, wherein the first clamping portion defines a first groove structure, the second clamping portion defines a second groove structure, and the first groove structure and the second groove structure are configured to engage a circumferential inner surface of the bearing.

10. The bearing removal tool of claim 1, wherein the first or second attachment member defines a threaded aperture therein, the adjustment member is threadedly coupled to the threaded aperture, and one end of the adjustment member is adapted to pass through the threaded aperture and abut against the second or first attachment member.