Adapter sleeve for preventing extrusion deformation of outer wall

Abstract

The adapter sleeve comprises an outer ring, a plurality of fixing blocks are fixedly connected to the middle of the outer wall of the outer ring, annular grooves are formed in the positions, transversely adjacent to the fixing blocks, of the outer wall of the outer ring, and supporting rods are rotationally connected into the annular grooves. Clamping rings are fixedly connected to the positions, corresponding to the interiors of the annular grooves, of the outer walls of the multiple supporting rods, abutting blocks are fixedly connected to the outer walls of the multiple clamping rings, rotating grooves are formed in the positions, longitudinally adjacent to the annular grooves, of the outer wall of the outer ring, and rotating rings are rotationally connected to the interiors of the rotating grooves; the fastening sleeve has the advantages that force which needs to clamp the fastening sleeve originally can be transferred to the clamping ring, the abutting block and the fixing block, the problem that the fastening sleeve deforms in the using process is solved, and the service life of the fastening sleeve is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing adapter sleeves, in particular to an adapter sleeve capable of preventing the outer wall from being squeezed and deformed. Background Art

[0002] The adapter sleeve is one of the commonly used bearing accessories and is the most commonly used component when positioning a bearing with a tapered hole on a cylindrical shaft. Because this sleeve can be used for a smooth shaft or a stepped shaft, the function of the adapter sleeve is to facilitate the installation of the bearing.

[0003] When using an adapter sleeve to install the inner ring of a bearing, it is necessary to clamp the outer ring of the adapter sleeve with the help of a tool, and then use the tool to rotate the adapter sleeve. Due to the strong mechanical clamping force of the tool, the outer ring of the adapter sleeve may be deformed during long-term use, causing damage to the adapter sleeve.

[0004] Therefore, in order to solve the above problems, the utility model proposes a tightening sleeve which can prevent the outer wall from being squeezed and deformed. Utility Model Content

[0005] The utility model aims to provide a fastening sleeve for preventing the outer wall from being squeezed and deformed, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tightening sleeve for preventing the outer wall from being squeezed and deformed, comprising an outer ring, a plurality of fixed blocks fixedly connected at the middle position of the outer wall of the outer ring, annular grooves are provided at the outer wall of the outer ring and the plurality of fixed blocks at positions adjacent to each other in the transverse direction, support rods are rotatably connected inside the annular grooves, a plurality of support rods are fixedly connected with clamping rings at positions corresponding to the inner parts of the annular grooves on the outer walls of the support rods, a plurality of clamping rings are fixedly connected with abutment blocks on the outer walls of the plurality of clamping rings, a rotating groove is provided at the outer wall of the outer ring and the adjacent positions longitudinally of the annular grooves, a rotating ring is rotatably connected inside the rotating groove, a plurality of support rods are fixedly connected with micro gears at positions corresponding to the inner parts of the annular grooves, a plurality of tooth blocks are provided at positions corresponding to the micro gears on the inner wall of the rotating ring, and a symmetrically arranged hand handle is fixedly connected to the outer wall of the rotating ring.

[0007] Preferably, four fixing blocks are provided in total, and the ends away from each other of the four fixing blocks are all arc-shaped.

[0008] Preferably, four of the clamping rings and the annular groove are provided, and the four clamping rings are respectively located inside the annular groove.

[0009] Preferably, there are four abutment blocks in total, and the specific shapes of the four abutment blocks are all L-shaped.

[0010] Preferably, there are four micro gears in total, and the four micro gears are respectively meshed and connected with the gear blocks.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: micro gears, gear blocks, rotating rings, clamping rings, abutment blocks, fixed blocks, etc. are provided, and multiple clamping rings can be driven to stand up through the linkage of various mechanisms, and then each clamping ring can be abutted by a tool, and then the clamping sleeve is rotated, so that the force originally required to clamp the clamping sleeve is transferred to the clamping ring, abutment block and fixed block, thereby preventing the clamping sleeve from deformation during use and extending the service life of the clamping sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the main structure of the utility model when it is unfolded;

[0014] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0015] In the figure: 1. outer ring; 2. fixed block; 3. annular groove; 4. support rod; 5. clamping ring; 6. abutment block; 7. rotating groove; 8. rotating ring; 9. micro gear; 10. gear block; 11. hand handle. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model provides a technical solution: a tightening sleeve for preventing outer wall from being squeezed and deformed, comprising an outer ring 1, a plurality of fixed blocks 2 are fixedly connected at the middle position of the outer wall of the outer ring 1, annular grooves 3 are provided at the outer wall of the outer ring 1 and the plurality of fixed blocks 2 at adjacent positions in the transverse direction, support rods 4 are rotatably connected inside the annular grooves 3, a plurality of support rods 4 are fixedly connected at the outer walls corresponding to the inner positions of the annular grooves 3, a plurality of clamping rings 5 ​​are fixedly connected at the outer walls of the plurality of clamping rings 5 ​​to abutment blocks 6, a rotating groove 7 is provided at the outer wall of the outer ring 1 and the adjacent positions of the annular groove 3 in the longitudinal direction, a rotating ring 8 is rotatably connected inside the rotating groove 7, a plurality of support rods 4 are fixedly connected at the inner positions of the annular groove 3, a plurality of tooth blocks 10 are provided at the inner wall of the rotating ring 8 corresponding to the positions of the micro gears 9, and a symmetrically arranged hand handle 11 is fixedly connected to the outer wall of the rotating ring 8.

[0018] Furthermore, four fixing blocks 2 are provided in total, and the ends of the four fixing blocks 2 that are far away from each other are all arc-shaped, so that the fixing blocks 2 can be easily abutted against the abutting blocks 6 .

[0019] Furthermore, four clamping rings 5 ​​and four annular grooves 3 are provided, and the four clamping rings 5 ​​are respectively located inside the annular grooves 3 .

[0020] Furthermore, there are four abutment blocks 6 in total, and the specific shapes of the four abutment blocks 6 are all L-shaped.

[0021] Furthermore, there are four micro gears 9 in total, and the four micro gears 9 are respectively meshed and connected with the tooth blocks 10, so that the tooth blocks 10 can drive the micro gears 9 to rotate.

[0022] Specifically, when using the utility model, first use the two hand handles 11 to rotate the rotating ring 8, the rotation of the rotating ring 8 will drive the tooth block 10 to rotate together, the rotation of the tooth block 10 will drive the four micro gears 9 to rotate, the micro gear 9 will drive the support rod 4 to rotate when rotating, the rotation of the support rod 4 will drive the clamping ring 5 to rotate out from the inside of the annular groove 3, the rotation of the clamping ring 5 will slowly abut on the fixed block 2, such as Figure 2 At this time, the snap ring 5 is unfolded, and then the outer ring 1 can be manually held, with each finger abutting against each snap ring 5, and then the outer ring 1 is rotated. The abutment between the snap ring 5 and the fingers can provide the staff with a force point, making it easier to rotate the outer ring 1, reducing the usage rate of external auxiliary tools. When rotating with the help of external tools, the same principle applies.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tightening sleeve for preventing outer wall from being squeezed and deformed, characterized in that: The invention comprises an outer ring (1), wherein a plurality of fixed blocks (2) are fixedly connected at the middle position of the outer wall of the outer ring (1), an annular groove (3) is provided at the positions of the outer wall of the outer ring (1) and the plurality of fixed blocks (2) at the positions adjacent to each other in the transverse direction, a support rod (4) is rotatably connected inside the annular groove (3), a plurality of clamping rings (5) are fixedly connected at the positions of the outer walls of the support rods (4) corresponding to the positions inside the annular groove (3), abutment blocks (6) are fixedly connected at the outer walls of the plurality of clamping rings (5), a rotating groove (7) is provided at the positions adjacent to the outer wall of the outer ring (1) and the annular groove (3) in the longitudinal direction, a rotating ring (8) is rotatably connected inside the rotating groove (7), a plurality of micro gears (9) are fixedly connected at the positions inside the annular groove (3) corresponding to the positions of the micro gears (9) on the inner wall of the rotating ring (8), a plurality of tooth blocks (10) are provided at the positions of the inner wall of the rotating ring (8) corresponding to the positions of the micro gears (9), and a symmetrically arranged hand handle (11) is fixedly connected to the outer wall of the rotating ring (8).

2. The adapter sleeve for preventing outer wall from being squeezed and deformed according to claim 1, characterized in that: A total of four fixing blocks (2) are provided, and the ends of the four fixing blocks (2) that are far away from each other are all arc-shaped.

3. The adapter sleeve for preventing outer wall from being squeezed and deformed according to claim 1, characterized in that: The clamping ring (5) and the annular groove (3) are both provided with four, and the four clamping rings (5) are respectively located inside the annular groove (3).

4. The adapter sleeve for preventing outer wall from being squeezed and deformed according to claim 1, characterized in that: There are four abutment blocks (6) in total, and the specific shapes of the four abutment blocks (6) are all L-shaped.

5. The adapter sleeve for preventing outer wall from being squeezed and deformed according to claim 1, characterized in that: A total of four micro gears (9) are provided, and the four micro gears (9) are respectively meshed and connected with the gear blocks (10).

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