Fastening bearing sleeve with adjustable inner diameter

By designing an adjustable inner diameter bearing sleeve and utilizing the cooperation of the limiting component and the pushing component, the problem of mismatch between the bearing sleeve and the bearing size was solved, achieving stable fastening of the bearing and improving the bearing's operational stability.

CN224049567UActive Publication Date: 2026-03-27HEBEI QINSI MASCH PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Commonly available bearing sleeves have fixed specifications and dimensions, which means they cannot provide a tight clamping and limiting function when the bearing sleeve and bearing dimensions are not compatible, thus affecting the stability of the bearing.

Method used

An adjustable inner diameter fastening bearing sleeve was designed. Through the cooperation of the limiting component and the pushing component, the outer ring rotates to drive the push block to slide in the mounting groove of the inner ring, push the arc plate to clamp the bearing for limiting, and combine with screw fixing to achieve the fastening of the inner ring and the outer ring.

Benefits of technology

This technology enables effective clamping and limiting when bearing sleeves of different sizes are fitted to bearings, thereby improving the stability and performance of the bearings.

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Abstract

The utility model relates to the technical field of bearing sleeves, and discloses an adjustable inner diameter fastening bearing sleeve which comprises an outer ring, a clamping ring and an inner ring and further comprises a limiting assembly and a pushing assembly, the limiting assembly is installed in the inner ring, and the pushing assembly is installed in the outer ring. The outer ring drives the pushing assembly to drive the limiting assembly to stretch out to clamp the bearing when rotating on the surface of the inner ring.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bearing sleeve technical field, concretely is a kind of adjustable inner diameter fastening bearing sleeve. BACKGROUND

[0002] Bearing sleeve is the structural component for containing and supporting bearing in mechanical design, and plays a vital role in rotating and moving mechanical system;

[0003] Common bearing sleeve on market mostly has fixed specification size, can only be adapted to the bearing of size matching, when the size of bearing sleeve and bearing is not adapted, bearing sleeve cannot play fastening limiting effect to bearing, influence the stability of bearing actual use, for this, we propose a kind of adjustable inner diameter fastening bearing sleeve. CONTENT OF UTILITY MODEL

[0004] The utility model discloses a kind of adjustable inner diameter fastening bearing sleeve, to solve the problem that the stability of bearing actual use is influenced when the size of bearing sleeve and bearing is not adapted in the above background technology, bearing sleeve cannot play fastening limiting effect to bearing.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable inner diameter fastening bearing sleeve, including outer ring, snap ring, inner ring, further including limiting component and pushing assembly, the limiting component is installed in inner circle interior, the pushing assembly is installed in outer ring interior, the outer ring drives limiting component to extend clamping bearing when driving limiting component with the surface rotation of inner circle.

[0006] Preferably, the limiting component includes installation slot, arc plate, sliding slot and sliding block, four installation slots equidistant are opened in the inner circle interior, four installation slots are all connected with arc plate with sliding inside, the arc plate is hollow inside, the installation slot inner wall is equipped with symmetrical sliding slot, the sliding block is slidably connected in the sliding slot, and the sliding block is fixedly connected with the arc plate.

[0007] Preferably, the pushing assembly includes screw hole, threaded push rod and push block, the outer ring inner wall is equipped with push block around, the push block is cylindrical, the outer ring surface is coincided with the position of push block and is equipped with screw hole, the threaded push rod is screw-connected in the screw hole, and the threaded push rod bottom is fixedly connected with the push block.

[0008] Preferably, the outer ring surface is screw-connected with the symmetry of two screws.

[0009] Preferably, the outer ring inner wall is equipped with threaded slot at both ends, the threaded slot is screw-connected with snap ring, the outer ring is slidably connected with inner ring, and the inner diameter of outer ring is equal to the outer diameter of inner ring.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The utility model discloses a snap ring is installed in the inner ring in the outer ring, rotates the outer ring and drives the circumferential motion of four push blocks in the inner ring surface installation groove in it, and push block promotes the sliding of the circular arc plate along the sliding slot of installation groove inner wall, and four circular arc plates move to the inner ring synchronously, and the bearing is clamped and limited. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole structure schematic diagram of the utility model;

[0013] Figure 2 It is the whole disassembly structure schematic diagram of the utility model;

[0014] Figure 3 It is the outer ring structure schematic diagram of the utility model;

[0015] Figure 4 It is the utility model Figure 3 The enlarged schematic diagram of structure in A place;

[0016] Figure 5 It is the inner ring cross section structure schematic diagram of the utility model;

[0017] Figure 6 It is the utility model Figure 5 The enlarged schematic diagram of structure in B place;

[0018] In the drawing: 1, outer ring;2, snap ring;3, inner ring;4, screw;5, threaded hole;6, threaded push rod;7, push block;8, threaded groove;9, installation groove;10, circular arc plate;11, sliding slot;12, sliding block. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0020] EMBODIMENT

[0021] Please refer to Figures 1-6 , a kind of adjustable inner diameter fastening bearing sleeve in the drawing, including outer ring 1, snap ring 2, inner ring 3, still including limiting assembly and push assembly, the limiting assembly is installed in inner ring 3 interior, the push assembly is installed in outer ring 1 interior, the outer ring 1 drives limiting assembly to extend and clamps bearing when rotating in the surface of inner ring 3 drive push assembly;

[0022] Further, the limiting assembly comprises mounting grooves 9, arc plates 10, sliding grooves 11 and sliding blocks 12, four equidistant mounting grooves 9 are formed in the inner ring 3, the arc plates 10 are slidably connected in the mounting grooves 9, the arc plates 10 are hollow, the sliding grooves 11 are formed in the inner walls of the mounting grooves 9, the sliding blocks 12 are slidably connected in the sliding grooves 11, and the sliding blocks 12 are fixedly connected with the arc plates 10;

[0023] On the basis of the foregoing, the pushing assembly comprises screw holes 5, threaded push rods 6 and push blocks 7, the push blocks 7 are arranged around the inner wall of the outer ring 1, the push blocks 7 are cylindrical, the screw holes 5 are formed in the positions where the outer ring 1 surface coincides with the push blocks 7, the threaded push rods 6 are threadedly connected in the screw holes 5, and the threaded push rods 6 are fixedly connected with the push blocks 7 at the bottom;

[0024] Further, the outer ring 1 surface is threadedly connected with two symmetric screws 4;

[0025] As a further scheme of the novel, the outer ring 1 inner wall is provided with threaded grooves 8 at both ends, the threaded grooves 8 are threadedly connected with the snap rings 2, the outer ring 1 is slidably connected with the inner ring 3, and the inner diameter of the outer ring 1 is equal to the outer diameter of the inner ring 3;

[0026] The novel installs the inner ring 3 in the outer ring 1 by the snap rings 2, rotates the outer ring 1 to drive the four push blocks 7 in the inner ring 3 to move in a circle on the surface of the inner ring 3, the push blocks 7 push the arc plates 10 to slide along the sliding grooves 11 in the inner walls of the mounting grooves 9, and the four arc plates 10 are synchronously moved towards the inner ring to clamp and limit the bearing.

[0027] It should be noted that the utility model is a kind of adjustable inner diameter fastening bearing sleeve, first rotate threaded push rod 6 drive push block 7 to be housed in screw hole 5, then the inner ring 3 is placed in the outer ring 1, two snap rings 2 are threadedly installed in the outer ring 1, then the bearing to be fastened is placed in the inner ring 3, rotate reverse threaded push rod 6 drive push block 7 to move towards the inner ring 3, until push block 7 is located in the mounting groove 9 of inner ring 3, then rotate the outer ring 1 to drive the four push blocks 7 in the inner ring 3 to move in a circle on the surface of the inner ring 3, the push blocks 7 push the arc plates 10 to slide along the sliding grooves 11 in the inner walls of the mounting grooves 9, until the four arc plates 10 are clamped on the surface of the bearing, finally tighten the two screws 4 on the surface of the outer ring 1 to fix the position of the inner ring 3 and the outer ring 1, complete the fastening and limiting of the bearing.

[0028] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. An adjustable inner diameter fastening bearing sleeve comprising an outer ring (1), a snap ring (2), an inner ring (3), characterized in that: Still include limiting components and push assembly, the limiting components are installed inside the inner ring (3), the push assembly is installed inside the outer ring (1), the outer ring (1) drives the limiting components to extend the bearing when the surface of the inner ring (3) rotates.

2. An adjustable inside diameter fastener bearing sleeve according to claim 1, wherein: The limiting component includes installation slot (9), circular arc plate (10), sliding slot (11) and sliding block (12), the inner ring (3) is internally provided with four equidistant installation slots (9), the four installation slots (9) are all slidably connected with circular arc plates (10), and the circular arc plates (10) are internally hollow.

3. An adjustable inside diameter fastener bearing sleeve according to claim 2, wherein: The inner wall of the installation slot (9) is provided with symmetrical sliding slots (11), the sliding slots (11) are slidably connected with sliding blocks (12), and the sliding blocks (12) are fixedly connected with the circular arc plates (10).

4. An adjustable inside diameter fastener bearing sleeve according to claim 1, wherein: The push assembly includes threaded hole (5), threaded push rod (6) and push block (7), the outer ring (1) is provided with push block (7) around the inner wall, and the push block (7) is cylindrical.

5. An adjustable inside diameter fastener bearing sleeve according to claim 4, wherein: The surface of the outer ring (1) is provided with threaded hole (5) at the position coinciding with the push block (7), the threaded hole (5) is internally threadedly connected with threaded push rod (6), and the threaded push rod (6) is fixedly connected with the push block (7) at the bottom.

6. An adjustable inside diameter fastener bearing sleeve according to claim 5, wherein: The outer ring (1) is threadedly connected with two symmetrical screws (4).

7. An adjustable inside diameter fastener bearing sleeve according to claim 6, wherein: The inner wall of the outer ring (1) is provided with threaded groove (8) at both ends, and the threaded groove (8) is threadedly connected with the snap ring (2).

8. An adjustable inside diameter fastener bearing sleeve according to claim 7, wherein: The outer ring (1) is slidably connected with the inner ring (3), and the inner diameter of the outer ring (1) is equal to the outer diameter of the inner ring (3).