Three-jaw bearing puller

Abstract

The utility model relates to the technical field of bearing pawls, and provides a three-jaw bearing puller which comprises a supporting piece, a moving piece and a pawl assembly, the supporting piece is used for making contact with the end of a bearing, the moving piece is movably arranged on the supporting piece, and the pawl assembly is arranged at one end of the moving piece. By means of the technical scheme, the problems that in the prior art, a bearing puller is complex in operation and cannot adapt to various working conditions are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing pullers, in particular to a three-claw bearing puller. Background Art

[0002] A bearing puller is a tool used to remove bearings from shafts. Because there is an interference fit between the shaft and the bearing, it is difficult to remove the bearing from the bearing position. Therefore, a bearing puller is needed. However, the existing bearing pullers are complicated to operate and cannot adapt to the working conditions of various bearings. Therefore, we need a bearing puller to solve the above problem. Utility Model Content

[0003] The utility model provides a claw bearing puller, which solves the problem that the bearing puller in the related art is complicated to operate and cannot adapt to various working conditions.

[0004] The technical solution of the utility model is as follows:

[0005] A three-claw bearing puller, comprising:

[0006] A support member, the support member being used to contact the end of the shaft body,

[0007] A moving member, the moving member is movably arranged on the supporting member, and the moving member is used to extend into or out of the interior of the shaft body.

[0008] A pawl assembly is provided at one end of the moving member, the pawl assembly is used to contact the bearing, and the pawl assembly moves following the moving member.

[0009] As a further technical solution, the support member has a first through hole, the movable member is a screw, the screw is threadedly engaged with the first through hole, and the movable member is slidably arranged in the first through hole.

[0010] As a further technical solution, the support member has a plurality of second threaded holes, which are distributed along the circumferential direction of the support member; it also includes a support bolt, which has a threaded portion, which is threadedly engaged with the second threaded hole, and the support bolt is rotated to move the support bolt along the second threaded hole.

[0011] As a further technical solution, the above-mentioned structure further includes a supporting member, which is sleeved on the movable member and has a third threaded hole. The supporting member is threadedly engaged with the movable member, and the supporting member moves to contact or disengage with the supporting member.

[0012] As a further technical solution, the pawl assembly includes:

[0013] A connecting seat, the connecting seat is arranged at one end of the moving part,

[0014] A pawl member, one end of which is hinged on the connecting seat. There are several pawl members, which are distributed circumferentially along the connecting seat. The pawl members are used to contact the bearing.

[0015] A torsion spring is provided on the pawl member and is used for driving the pawl member to swing along a hinge point.

[0016] As a further technical solution, the connecting seat has a fourth threaded hole, the fourth threaded hole is threadedly connected to the moving part, and the connecting seat rotates and moves along the axial direction of the moving part.

[0017] The working principle and beneficial effects of the utility model are as follows:

[0018] In the present utility model, in order to solve the above technical problems, a three-claw bearing puller is proposed, including a support member, a moving member and a pawl assembly. The support member is used to contact the end of the bearing, the moving member is movably set on the support member, and the pawl assembly is set at one end of the moving member. When working, the support member is contacted with the end of the shaft body, the pawl member of the pawl assembly is extended into the interior of the shaft body, and the pawl member is rotated and unfolded, so that the other end of the pawl is against the inner side of the bearing, and the top support member is rotated to shorten the distance between the pawl and the support member, thereby realizing the movement of the bearing and facilitating the disassembly of the bearing.

[0019] Beneficial effect: The work of the bearing puller is more convenient and the operation is simpler. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The preferred embodiments will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present invention.

[0021] Fig. 1 This is a schematic diagram of the structure of the utility model;

[0022] Fig. 2 This is a schematic diagram of the pawl structure of the utility model;

[0023] In the figure: 1. Support member, 2. Moving member, 3. Pawl assembly, 4. First through hole, 6. Second threaded hole, 7. Support bolt, 8. Threaded portion, 9. Top support member, 10. Third threaded hole, 11. Connecting seat, 12. Pawl member, 13. Torsion spring, 14. Fourth threaded hole. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without inventive work.

[0025] To simplify the drawings, only the parts relevant to the utility model are schematically shown in each figure; they do not represent the actual structure of the product. Furthermore, to simplify the drawings and facilitate understanding, in some figures, only one of the components with the same structure or function is schematically shown or labeled. In this document, "one" not only means "only one" but also "more than one," and "several" includes "two" and "more than two."

[0026] It should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0027] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0028] Example 1

[0029] Reference Figs. 1-2 , which is the first embodiment of the present utility model, proposes a three-claw bearing puller, including a support member 1, the support member 1 is used to contact the end of the shaft body, a moving member 2, the moving member 2 is movably arranged on the support member 1, the moving member 2 is used to extend into or out of the interior of the shaft body, and a pawl assembly 3, the pawl assembly 3 is arranged at one end of the moving member 2, the pawl assembly 3 is used to contact the bearing, and the pawl assembly 3 moves with the moving member 2. The utility model also includes a top support member 9, the top support member 9 is sleeved on the moving member 2, the cross-section of the top support member 9 is hexagonal, the top support member 9 has a third threaded hole 10, the top support member 9 is threadedly matched with the moving member 2, and the top support member 9 is used to contact or disengage with the support member 1.

[0030] In this embodiment, in order to solve the above technical problems, a three-paw bearing puller is proposed, including a support member 1, a moving member 2 and a pawl assembly 3. The support member 1 is used to contact the end of the bearing, the moving member 2 is movably set on the support member 1, and the pawl assembly 3 is set at one end of the moving member 2. When working, the support member 1 is contacted with the end of the shaft body, the pawl member 12 of the pawl assembly 3 is extended into the interior of the shaft body, and the pawl member 12 is rotated and unfolded, so that the other end of the pawl is against the inner side of the bearing, and the moving member 2 is moved to shorten the distance between the pawl and the support member 1, thereby realizing the movement of the bearing and facilitating the disassembly of the bearing. The work of the bearing puller is more convenient and the operation is simpler.

[0031] Example 2

[0032] Compared with Example 1, further, the support member 1 has a first through hole 4 , the moving member 2 is a screw, and the moving member 2 is slidably disposed in the first through hole 4 .

[0033] In this embodiment, the moving member 2 can be pulled to shorten the distance between the pawl member 12 and the supporting member 1, thereby achieving the disassembly of the bearing.

[0034] Example 3

[0035] Compared with Example 2, further, the support member 1 has a plurality of second threaded holes 6, and the plurality of second threaded holes 6 are distributed along the circumferential direction of the support member 1; it also includes a support bolt 7, and the support bolt 7 has a threaded portion 8, and the threaded portion 8 is threadedly engaged with the second threaded hole 6, and the support bolt 7 is rotated to move the support bolt 7 along the second threaded hole 6.

[0036] In this embodiment, the distance between the support member 1 and the bearing can be adjusted by adjusting the support bolt 7, so as to adapt to bearings of different diameters and improve adaptability.

[0037] Example 4

[0038] Compared with Examples 1-3, further, the pawl assembly 3 includes a connecting seat 11, which is arranged at one end of the moving part 2, a pawl part 12, one end of the pawl part 12 is hinged on the connecting seat 11, there are several pawl parts 12, and several pawl parts 12 are distributed circumferentially along the connecting seat 11, and the pawl part 12 is used to contact the bearing, a torsion spring 13, which is arranged on the pawl part 12, and the torsion spring 13 is used to drive the pawl part 12 to swing along the hinge point, and the connecting seat 11 has a fourth threaded hole 14, and the fourth threaded hole 14 is threadedly connected to the moving part 2, and the connecting seat 11 rotates and moves along the axial direction of the moving part 2.

[0039] In the embodiment, the pawl can swing along the connecting seat 11, when the pawl member 12 extends into the inside of the bearing, the pawl member 12 will rotate and expand due to the action of the torsion spring 13, so that the pawl member 12 is in contact with the bearing, the moving member 2 can drive the pawl member 12 to move, and the bearing is disassembled.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application. They should be covered in the scope of the claims of the present application.

Claims

1. A three-jaw bearing puller, characterized in that: include, A support member (1), wherein the support member (1) is used to contact the end of the shaft body, A moving member (2), the moving member (2) is movably arranged on the supporting member (1), and the moving member (2) is used to move into or out of the interior of the shaft body, A pawl assembly (3), the pawl assembly (3) being arranged at one end of the moving member (2), the pawl assembly (3) being used to contact the bearing, and the pawl assembly (3) moving following the moving member (2); The pawl assembly (3) comprises: A connecting seat (11), wherein the connecting seat (11) is arranged at one end of the moving member (2), A pawl member (12), one end of the pawl member (12) is hinged on the connecting seat (11), there are a plurality of pawl members (12), and the plurality of pawl members (12) are distributed along the circumference of the connecting seat (11), and the pawl member (12) is used to contact the bearing. A torsion spring (13), wherein the torsion spring (13) is arranged on the pawl member (12), and the torsion spring (13) is used to drive the pawl member (12) to swing along a hinge point.

2. A three-jaw bearing puller according to claim 1, characterized in that: The support member (1) has a first through hole (4); the moving member (2) is a screw; and the moving member (2) is slidably arranged in the first through hole (4).

3. A three-jaw bearing puller according to claim 2, characterized in that: The support member (1) has a plurality of second threaded holes (6), and the plurality of second threaded holes (6) are distributed along the circumferential direction of the support member (1); and further comprises a support bolt (7), wherein the support bolt (7) has a threaded portion (8), and the threaded portion (8) is threadedly engaged with the second threaded hole (6), and the support bolt (7) is rotated to move the support bolt (7) along the second threaded hole (6).

4. A three-jaw bearing puller according to claim 3, characterized in that: The invention also includes a supporting member (9), which is sleeved on the moving member (2), and has a hexagonal cross section. The supporting member (9) has a third threaded hole (10), and the supporting member (9) is threadedly engaged with the moving member (2). The supporting member (9) moves to contact or disengage with the supporting member (1).

5. The three-jaw bearing puller according to claim 1, characterized in that: The connecting seat (11) has a fourth threaded hole (14), the fourth threaded hole (14) is threadedly connected to the moving member (2), and the connecting seat (11) rotates to move along the axial direction of the moving member (2).

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