CN219946072U - Bearing quick detach structure - Google Patents

Bearing quick detach structure Download PDF

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Publication number
CN219946072U
CN219946072U CN202321131845.5U CN202321131845U CN219946072U CN 219946072 U CN219946072 U CN 219946072U CN 202321131845 U CN202321131845 U CN 202321131845U CN 219946072 U CN219946072 U CN 219946072U
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China
Prior art keywords
guide rail
impact
fixed shell
claw
bearing
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CN202321131845.5U
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Chinese (zh)
Inventor
陈力
刘俊锋
沈振星
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China Sun Technology Co ltd
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China Sun Technology Co ltd
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Abstract

The utility model relates to the technical field of bearing disassembly and discloses a quick bearing disassembly structure, which comprises a claw-type expansion mechanism and an impact guide rail mechanism, wherein the claw-type expansion mechanism comprises a fixed shell, a plurality of expansion claws are hinged on the fixed shell and are circumferentially distributed along the axis of the fixed shell, the expansion claws are connected with a driving assembly for driving the expansion claws to open and close, the impact guide rail mechanism comprises an impact guide rail detachably connected with the fixed shell, an impact block is arranged on the impact guide rail in a sliding manner, and one end of the impact guide rail far away from the fixed shell is provided with an impact limiting part. The utility model can quickly disassemble the bearing, and has high disassembly efficiency.

Description

Bearing quick detach structure
Technical Field
The utility model relates to the technical field of bearing disassembly, in particular to a bearing rapid disassembly structure.
Background
With the development of the automotive electric power steering field, the mechanical structure of automotive electric power steering parts is more and more complex, wherein a plurality of high-precision rotary motions are involved, and one or even a plurality of bearings are used for each rotary shaft. Some of these bearings are press-fitted onto the steering shaft and some are press-fitted into the inner bore of the housing. In the product verification stage, after the product passes a road test or a endurance test, the automobile electric power steering parts are required to be disassembled and analyzed, the bearing in the inner hole of the shell is difficult to disassemble, and the bearing is damaged to different degrees after being taken down by a traditional disassembling tool, so that the state of the bearing brings a lot of trouble to the product analysis.
The current bearing dismantles the field and has one kind to draw sign indicating number mechanism, and this kind draws sign indicating number mechanism to need outside plane support just can take off the bearing, and the casing that car electricity power assisted steering produced is more complicated, dismantles and hardly finds outside holding surface, and expansion scope is too little moreover, needs a large amount of different models to draw the sign indicating number. Therefore, there is a strong need in the art for a structure that has a large expansion range and can be quickly disassembled, and the present utility model can well solve this problem.
Disclosure of Invention
The utility model aims to provide a bearing quick dismounting structure which has the effects of high dismounting efficiency and wide dismounting range.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a quick dismantlement structure of bearing, includes claw type tight mechanism and striking guide mechanism that expands, claw type tight mechanism that expands includes fixed casing, articulated on the fixed casing have a plurality of tight claws that expand, a plurality of tight claws that expand are distributed along fixed casing axis circumference, the tight claw that expands is connected with the drive assembly that drives its opening and shutting, striking guide mechanism includes the striking guide who can dismantle with fixed casing and be connected, it is provided with the striking piece to slide on the striking guide, the one end that fixed casing was kept away from to the striking guide is provided with the impact spacing portion.
Through adopting above-mentioned technical scheme, during the use, earlier through the shrink of a plurality of expansion claws of drive assembly drive for the tip of expansion claw can pass the bearing inner circle, after passing the bearing inner circle with the expansion claw, expand the claw through drive assembly control expansion claw and with the chucking of bearing inner circle, later be connected striking guide rail mechanism and fixed casing, earlier slide the striking piece along striking guide rail to be close to expansion claw one side, later operating personnel or use external equipment to promote the striking piece fast, the striking piece is kept away from expansion claw one side fast, and finally strike to strike spacing portion, the impact force of striking piece just is the same with the direction that the bearing was pulled out, thereby dismantle the bearing. The structure has the advantages of low manufacturing cost, convenient use, wide application range, no requirement on an external plane, capability of being used after being installed, and higher efficiency, and can adapt to bearing disassembly of various sizes due to large opening and closing range of the expansion claw.
As a further arrangement of the utility model, the driving assembly comprises a connecting block arranged in the fixed shell, a plurality of connecting rods are hinged to the connecting block, the number and the positions of the connecting rods are matched with those of the expansion claws, one end of each connecting rod is hinged to one end of each expansion claw, and the connecting block is connected with an adjusting assembly for driving the connecting rod to reciprocate along the axis direction of the fixed shell.
As a further arrangement of the utility model, the adjusting assembly comprises a threaded rod movably riveted with the connecting block, a threaded hole is formed in the fixed shell, and the threaded rod is in threaded connection with the fixed shell through the threaded hole.
Through adopting above-mentioned technical scheme, when adjusting the degree of opening and shutting of tight claw of expanding, twist the threaded rod, because threaded rod and fixed casing threaded connection, the threaded rod can be down or upwards along the axis removal at pivoted in-process to drive the connecting block and remove, the connecting block then promotes the connection, and the connecting rod then drives tight claw of expanding and draws in or open.
As a further arrangement of the utility model, one end of the impact guide rail, which is close to the fixed shell, is provided with a connecting sleeve, and the connecting sleeve is in threaded connection with the fixed shell.
As a further arrangement of the utility model, the impact limiting part comprises a cake block in threaded connection with the end part of the impact guide rail, the cake block is in threaded connection with the impact guide rail, the end part of the impact guide rail is in threaded connection with a locking nut, and the locking nut is propped against the cake block.
The beneficial effects of the utility model are as follows:
when the impact type bearing is used, the driving assembly drives the plurality of expansion claws to shrink, so that the end parts of the expansion claws can penetrate through the bearing inner ring, after the expansion claws penetrate through the bearing inner ring, the driving assembly controls the expansion claws to open and clamp the bearing inner ring, then the impact guide rail mechanism is connected with the fixed shell, the impact block slides along the impact guide rail until the impact guide rail is close to one side of the expansion claws, then an operator or external equipment is used for quickly pushing the impact block, the impact block is quickly away from one side of the expansion claws and finally impacts the impact limiting part, and the impact force of the impact block is just the same as the direction of the bearing extraction, so that the bearing is disassembled. The structure has the advantages of low manufacturing cost, convenient use, wide application range, no requirement on an external plane, capability of being used after being installed, and higher efficiency, and can adapt to bearing disassembly of various sizes due to large opening and closing range of the expansion claw.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic view showing a sectional structure of the present embodiment;
FIG. 3 is a schematic view of the claw-type expanding mechanism of the present embodiment;
in the figure, 1, a fixed shell, 2, an expansion claw, 3, a driving component, 31, a connecting block, 32, a connecting rod, 33, a threaded rod, 4, an impact guide rail, 5, an impact block, 6, an impact limiting part, 61, a cake block, 62, a locking nut, 7 and a connecting sleeve.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Examples
The utility model provides a quick dismantlement structure of bearing, refer to fig. 1 through 3, including claw type tight mechanism and striking guide rail 4 mechanism that expands, claw type tight mechanism that expands includes fixed casing 1, fixed casing 1 is last to articulate has a plurality of tight claws 2 that expand, a plurality of tight claws 2 that expand are distributed along fixed casing 1 axis circumference, tight claw 2 that expands is connected with the drive assembly 3 that drives its and open and shut, striking guide rail 4 mechanism includes the striking guide rail 4 that can dismantle with fixed casing 1 to be connected, it is provided with striking piece 5 to slide on the striking guide rail 4, the one end that fixed casing 1 was kept away from to striking guide rail 4 is provided with strike spacing portion 6.
During the use, firstly drive a plurality of expansion claw 2 shrink through actuating assembly 3 for the tip of expansion claw 2 can pass the bearing inner race, after passing the bearing inner race with expansion claw 2, control expansion claw 2 open and with the bearing inner race chucking through actuating assembly 3, later be connected striking guide rail 4 mechanism and fixed casing 1, earlier slide striking piece 5 along striking guide rail 4 to be close to expansion claw 2 one side, later operating personnel or use external equipment to promote striking piece 5 fast, striking piece 5 is kept away from expansion claw 2 one side fast, and finally strike to strike spacing portion 6, the impact force of striking piece 5 just is the same with the direction that the bearing was pulled out, thereby dismantle the bearing. The structure has the advantages of low manufacturing cost and convenient use, and can adapt to bearing disassembly of various sizes due to large opening and closing range of the expansion claw 2, the application range is wide, the device has no requirement on an external plane, and the device can be used after being installed, and has higher efficiency.
Further, the driving assembly 3 comprises a connecting block 31 arranged inside the fixed shell 1, a plurality of connecting rods 32 are hinged to the connecting block 31, the number and the positions of the connecting rods 32 are matched with those of the expansion claws 2, one end of each connecting rod 32 is hinged to one end of each expansion claw 2, and the connecting block 31 is connected with an adjusting assembly for driving the connecting rod to reciprocate along the axis direction of the fixed shell 1. The joint assembly comprises a threaded rod 33 movably riveted with the connecting block 31, a threaded hole is formed in the fixed shell 1, and the threaded rod 33 is in threaded connection with the fixed shell 1 through the threaded hole.
When the opening and closing degree of the expansion claw 2 is adjusted, the threaded rod 33 is screwed, and the threaded rod 33 is in threaded connection with the fixed shell 1, so that the threaded rod 33 can move downwards or upwards along the axis in the rotating process, and accordingly the connecting block 31 is driven to move, the connecting block 31 is pushed to be connected, and the connecting rod 32 drives the expansion claw 2 to be folded or unfolded.
Further, a connecting sleeve 7 is arranged at one end of the impact guide rail 4 close to the fixed shell 1, and the connecting sleeve 7 is in threaded connection with the fixed shell 1. The claw-type expanding mechanism and the impact guide rail 4 mechanism are more conveniently connected through threaded connection, the impact limiting part 6 comprises a cake block 61 in threaded connection with the end part of the impact guide rail 4, the cake block 61 is in threaded connection with the impact guide rail 4, a locking nut 62 is in threaded connection with the end part of the impact guide rail 4, and the locking nut 62 abuts against the cake block 61. By the lock nut 62 and the screw connection structure, the cake 61 and the impact guide rail 4 are fixedly connected together, so that the cake can bear large impact without falling off.
The beneficial effects of the utility model are as follows:
when the impact type bearing is used, the threaded rod 33 is screwed firstly, the threaded rod 33 moves towards the side far away from the expansion claw 2 in the rotating process, the connecting block 31 is driven to move, the connecting block 31 drives the expansion claw 2 to shrink through the connecting rod 32, the end part of the expansion claw 2 can penetrate through the bearing inner ring, after the expansion claw 2 penetrates through the bearing inner ring, the threaded rod 33 is screwed reversely, the expansion claw 2 is controlled to open and tightly clamp the bearing inner ring, then the connecting sleeve 7 is screwed with the fixed shell 1, the impact block 5 slides to the side close to the expansion claw 2 along the impact guide rail 4, then an operator or an external device is used for rapidly pushing the impact block 5, the impact block 5 is rapidly away from the side of the expansion claw 2, finally the impact block 5 is impacted to the impact limiting part 6, and the impact force of the impact block 5 is exactly the same as the direction of bearing extraction, so that the bearing is disassembled. The structure has the advantages of low manufacturing cost and convenient use, and can adapt to bearing disassembly of various sizes due to large opening and closing range of the expansion claw 2, the application range is wide, the device has no requirement on an external plane, and the device can be used after being installed, and has higher efficiency.

Claims (5)

1. The utility model provides a quick dismantlement structure of bearing which characterized in that: including claw type tight mechanism and striking guide rail (4) mechanism that expands, claw type tight mechanism that expands includes fixed casing (1), articulated on fixed casing (1) have a plurality of tight claws (2) that expand, a plurality of tight claws (2) that expand are distributed along fixed casing (1) axis circumference, tight claw (2) that expand are connected with drive its drive assembly (3) that opens and shuts, striking guide rail (4) mechanism includes striking guide rail (4) of dismantling the connection with fixed casing (1), it is provided with striking piece (5) to slide on striking guide rail (4), the one end that fixed casing (1) was kept away from to striking guide rail (4) is provided with impact limit portion (6).
2. The quick bearing release structure of claim 1, wherein: the driving assembly (3) comprises a connecting block (31) arranged inside the fixed shell (1), a plurality of connecting rods (32) are hinged to the connecting block (31), the number and the positions of the connecting rods (32) are matched with those of the expanding claws (2), one end of each connecting rod (32) is hinged to one end of each expanding claw (2), and the connecting block (31) is connected with an adjusting assembly for driving the connecting block to reciprocate along the axis direction of the fixed shell (1).
3. A quick bearing release structure according to claim 2, wherein: the adjusting component comprises a threaded rod (33) movably riveted with the connecting block (31), a threaded hole is formed in the fixed shell (1), and the threaded rod (33) is in threaded connection with the fixed shell (1) through the threaded hole.
4. The quick bearing release structure of claim 1, wherein: one end of the impact guide rail (4) close to the fixed shell (1) is provided with a connecting sleeve (7), and the connecting sleeve (7) is in threaded connection with the fixed shell (1).
5. The quick bearing release structure of claim 1, wherein: the impact limiting part (6) comprises a cake block (61) in threaded connection with the end part of the impact guide rail (4), the cake block (61) is in threaded connection with the impact guide rail (4), a locking nut (62) is in threaded connection with the end part of the impact guide rail (4), and the locking nut (62) abuts against the cake block (61).
CN202321131845.5U 2023-05-09 2023-05-09 Bearing quick detach structure Active CN219946072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321131845.5U CN219946072U (en) 2023-05-09 2023-05-09 Bearing quick detach structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321131845.5U CN219946072U (en) 2023-05-09 2023-05-09 Bearing quick detach structure

Publications (1)

Publication Number Publication Date
CN219946072U true CN219946072U (en) 2023-11-03

Family

ID=88548406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321131845.5U Active CN219946072U (en) 2023-05-09 2023-05-09 Bearing quick detach structure

Country Status (1)

Country Link
CN (1) CN219946072U (en)

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