Anti-fatigue ceramic shaft sleeve

By assembling the inner and outer bushings and using components such as clips, slots, and heat insulation sheets, the ceramic bushing achieves effective heat dissipation and heat insulation, solving the problem of shortened lifespan due to high temperatures during long-term use. It also facilitates individual component replacement, reducing maintenance costs.

CN223953092UActive Publication Date: 2026-02-27SUZHOU EVERBEST ENG CERAMICS
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Patent Information

Application Number
CN202520805798.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-02-27
Estimated Expiration
2035-04-25

AI Technical Summary

Technical Problem

Existing ceramic bushings are prone to high temperatures after prolonged fatigue operation and lack effective heat dissipation, which affects their service life.

Method used

A fatigue-resistant ceramic bushing is designed, which adopts an assembly structure of inner and outer bushings. It uses components such as a retaining block, retaining seat, heat insulation plate and heat dissipation hole to achieve detachable connection. The heat insulation plate isolates heat and the gap area and heat conduction rod are used for heat dissipation.

Benefits of technology

It achieves effective heat insulation and heat dissipation, extends the service life of ceramic bushings, and allows for individual replacement when a single component is damaged, saving costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223953092U_ABST
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Abstract

The utility model relates to the technical field of shaft sleeves, and discloses an anti-fatigue ceramic shaft sleeve which comprises an inner bush and an outer bush, the outer bush is arranged on the outer side of the inner bush, an assembling mechanism is arranged on the outer side of the inner bush and comprises a clamping block, the clamping block is integrally formed on the inner side wall of the outer bush, and the clamping block is arranged on the outer side of the outer bush. And a clamping seat is integrally formed on the outer side wall of the neck bush. Through the design of the assembling mechanism, the inner bush and the outer bush can be flexibly assembled and disassembled, during specific assembling, the clamping blocks are inserted through the opening in one side of the clamping base till all the clamping blocks are completely inserted into the clamping base, splicing can be completed, finally, if the clamping blocks are used for a long time, the first heat insulation sheet and the second heat insulation sheet can insulate heat, and the heat insulation effect is good. And the gap area between the inner bushing and the outer bushing is more beneficial to heat dissipation, so that the anti-fatigue purpose can be achieved based on the operation, and the use requirement of long-time work can be met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a shaft sleeve technical field especially is related to a kind of anti-fatigue ceramic shaft sleeve. BACKGROUND

[0002] So-called shaft sleeve is generally refers to the cylindrical bushing on the shaft, with the shaft movement, and instead of shaft body and external hard material contact, thereby play the role of protecting the shaft, and so-called ceramic shaft sleeve, it is the shaft sleeve made of ceramic material, with high hardness, the advantage of wear resistance.

[0003] Patent announcement No. CN219712050U discloses a kind of ceramic shaft sleeve of composite structure, including ceramic shaft sleeve, the outside of the ceramic shaft sleeve is sleeved with shock-absorbing rubber ring, first bushing and second bushing are respectively clamped in the front and back of the shock-absorbing rubber ring, the design use of shock-absorbing rubber ring, complete ceramic shaft sleeve when installing and using on equipment, avoid external vibration directly transmitted to ceramic shaft sleeve, simultaneously, when the structure body of ceramic shaft assembly works produces vibration, ceramic shaft sleeve and shock-absorbing rubber ring cooperate and transmit vibration to first bushing and second bushing, avoid ceramic shaft and external equipment appear vibration damage under the condition of no shock-absorbing protection, solve the technical problem of insufficient shock-absorbing protection of existing ceramic shaft sleeve.

[0004] The above device solves the problem of insufficient shock-absorbing protection of existing ceramic shaft sleeve, and in the actual use process of ceramic shaft sleeve, the rotating part will generate a lot of heat after long-time fatigue work, and the higher temperature will have adverse effects on the shaft sleeve after being transmitted to the shaft sleeve part, the above device is similar to the existing ceramic shaft structure, and the shaft sleeve lacks corresponding heat dissipation function, so it is difficult to guarantee the service life during long-time use, therefore an anti-fatigue ceramic shaft sleeve is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] To solve the problems proposed above, the utility model provides a kind of anti-fatigue ceramic shaft sleeve.

[0006] The anti-fatigue ceramic shaft sleeve provided by the utility model adopts the following technical scheme:

[0007] A kind of anti-fatigue ceramic shaft sleeve, including inner bushing and outer bushing, the outer bushing is set to inner bushing outside, the outer side of the inner bushing is provided with assembly mechanism;

[0008] The assembling mechanism comprises a clamping block integrally formed on the inner side wall of the outer bush, a clamping seat integrally formed on the outer side wall of the inner bush, the clamping block extending into the clamping seat and matching the clamping seat, a first heat insulation sheet fixedly connected to the outer side wall of the inner bush, a second heat insulation sheet fixedly connected to the inner side wall of the outer bush, a cover plate arranged on the left and right sides of the outer bush, a heat dissipation hole formed on the outer side of the cover plate, a positioning heat conduction rod fixedly connected to the inner side of the cover plate, and positioning holes formed on the clamping seat and the clamping block.

[0009] Through the above technical scheme, the inner bush and the outer bush can be flexibly assembled and disassembled. In the assembly process, the clamping block is inserted through the opening on one side of the clamping seat until all the clamping blocks are completely inserted into the clamping seat, and then the splicing is completed. Finally, if the first heat insulation sheet and the second heat insulation sheet are used for a long time, the heat can be insulated, and the gap between the inner bush and the outer bush is more conducive to heat dissipation. Based on this operation, the anti-fatigue purpose can be achieved, and the use requirement of long-time work can be met.

[0010] Preferably, the clamping blocks are arranged at equal intervals on the outer side of the outer bush, and the clamping seats are arranged at equal intervals on the outer side of the inner bush.

[0011] Through the above technical scheme, after the clamping seat and the clamping block are spliced, a gap is formed between the outer bush and the inner bush, which is conducive to heat dissipation.

[0012] Preferably, the first heat insulation sheet is arranged alternately with the clamping seat on the outer side of the inner bush, and the second heat insulation sheet is arranged alternately with the clamping block on the inner side of the outer bush.

[0013] Through the above technical scheme, the first heat insulation sheet and the second heat insulation sheet have the purpose of heat insulation.

[0014] Preferably, the two cover plates are respectively attached to the left and right sides of the outer bush, the inner bush penetrates the cover plate and matches the cover plate, the outer side of the outer bush is provided with an insertion rod, and the insertion rod penetrates one of the clamping blocks and the clamping seat in sequence.

[0015] Through the above technical scheme, the cover plate seals the left and right sides of the inner bush and the outer bush.

[0016] Preferably, the positioning heat conduction rod extends out of the cover plate, and the positioning heat conduction rod extends into the positioning hole and matches the positioning hole.

[0017] Through the above technical scheme, the positioning heat conduction rod is inserted into the positioning hole on the clamping block and the clamping seat, and the inner bush and the outer bush can be limited.

[0018] Preferably, the side of the cover plate is provided with a positioning bolt, the positioning bolt penetrates the cover plate, the insertion rod and the clamping block where the insertion rod is located in sequence, and the positioning bolt is connected to the clamping block through threads.

[0019] By adopting the technical scheme, the positioning bolt fixes the cover plate on both sides of the outer bushing, and can also fix the inserting rod inside the clamping block.

[0020] Preferably, the cover plate is internally provided with a cavity, and the heat dissipation holes are in communication with the cavity.

[0021] By adopting the technical scheme, the heat between the inner bushing and the outer bushing can enter the cavity inside through the positioning heat conduction rod, and continue to dissipate to the outside through the heat dissipation holes.

[0022] To sum up, the utility model has the beneficial technical effects that:

[0023] The anti-fatigue ceramic shaft sleeve is designed through an assembling mechanism, the inner bushing and the outer bushing can be flexibly assembled and disassembled, in particular, when assembling, the clamping blocks are inserted through the openings on one side of the clamping seat until all the clamping blocks are completely inserted into the clamping seat, then the splicing is completed, finally, if the first heat insulation sheet and the second heat insulation sheet can insulate heat when used for a long time, and the gap region between the inner bushing and the outer bushing is more conducive to heat dissipation, based on this operation, the anti-fatigue purpose can be realized, and the use requirement of long-time work can be met.

[0024] The anti-fatigue ceramic shaft sleeve is designed through an assembling mechanism, the inner bushing and the outer bushing can be flexibly assembled and disassembled, in particular, when assembling, the clamping blocks are inserted through the openings on one side of the clamping seat until all the clamping blocks are completely inserted into the clamping seat, then the splicing is completed, finally, if the first heat insulation sheet and the second heat insulation sheet can insulate heat when used for a long time, and the gap region between the inner bushing and the outer bushing is more conducive to heat dissipation, based on this operation, the anti-fatigue purpose can be realized, and the use requirement of long-time work can be met. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the utility model;

[0026] Figure 2 It is an exploded view of the utility model structure;

[0027] Figure 3 It is Figure 2 It is an enlarged view of A in

[0028] Figure 4 It is an enlarged view of B in Figure 2

[0029] Figure 5 It is a sectional view of the inserting rod in the utility model;

[0030] Figure 6 It is an enlarged view of C in Figure 5

[0031] Figure 7 It is a structural schematic view of the cover plate in the utility model. ​​

[0032] Explanation of reference signs: 1, inner bushing; 2, outer bushing; 3, assembling mechanism; 31, clamping block; 32, clamping seat; 33, first heat insulation sheet; 34, second heat insulation sheet; 35, cover plate; 36, heat dissipation hole; 37, positioning heat conduction rod; 38, positioning hole; 39, insertion rod; 391, positioning bolt; 392, cavity. DETAILED DESCRIPTION

[0033] The following will be described in detail in combination with the accompanying drawings. Figure 1 - the accompanying drawings Figure 7 The utility model makes further detailed description to the utility model.

[0034] The utility model discloses an anti-fatigue ceramic shaft sleeve. Refer to Figures 1-7 , including inner bushing 1 and outer bushing 2, outer bushing 2 sets up at inner bushing 1 outside, and inner bushing 1 outside is provided with assembling mechanism 3;

[0035] Assembling mechanism 3 includes clamping block 31, and clamping block 31 is integrally formed on the inner side wall of outer bushing 2, and clamping seat 32 is integrally formed on the outer side wall of inner bushing 1, and clamping block 31 extends into the interior of clamping seat 32 and is matched with clamping seat 32, and first heat insulation sheet 33 is fixedly connected on the outer side wall of inner bushing 1, and second heat insulation sheet 34 is fixedly connected on the inner side wall of outer bushing 2, and cover plate 35 is arranged on the left and right sides of outer bushing 2, and heat dissipation hole 36 is formed on the outside of cover plate 35;

[0036] Positioning heat conduction rod 37 is fixedly connected in the interior of cover plate 35, and positioning hole 38 is formed on clamping seat 32 and clamping block 31, and inner bushing 1 and outer bushing 2 can be flexibly assembled and disassembled, and when assembling, clamping block 31 is inserted through the opening on the side of clamping seat 32 until all clamping block 31 is completely inserted into the interior of clamping seat 32, then splicing is completed, and finally, if long time is used, first heat insulation sheet 33 and second heat insulation sheet 34 can insulate heat, and the gap region between inner bushing 1 and outer bushing 2 is more conducive to heat dissipation, based on this operation, the anti-fatigue purpose can be realized, and the use demand of long time work can be met.

[0037] Clamping block 31 is arranged and distributed in equal intervals around the outside of outer bushing 2, clamping seat 32 is arranged and distributed in equal intervals around the outside of inner bushing 1, after the position splicing of clamping seat 32 and clamping block 31, the gap between outer bushing 2 and inner bushing 1 is caused, which is conducive to heat dissipation, first heat insulation sheet 33 is distributed staggeredly on the outside of inner bushing 1 and clamping seat 32, second heat insulation sheet 34 is distributed staggeredly on the inside of outer bushing 2 and clamping block 31, and the heat insulation purpose of first heat insulation sheet 33 and second heat insulation sheet 34, two cover plates 35 are respectively attached to the left and right sides of outer bushing 2, inner bushing 1 penetrates cover plate 35 and is matched with cover plate 35, insertion rod 39 is arranged on the outside of outer bushing 2, and insertion rod 39 penetrates one of clamping block 31 and clamping seat 32 in sequence, and cover plate 35 seals the left and right sides of inner bushing 1 and outer bushing 2.

[0038] The positioning heat conduction rod 37 extends out of the cover plate 35, extends into the positioning hole 38 and matches with the positioning hole 38, is inserted into the positioning hole 38 on the clamping block 31 and the clamping seat 32, can position the inner sleeve 1 and the outer sleeve 2, one side of the cover plate 35 is provided with a positioning bolt 391, the positioning bolt 391 penetrates the cover plate 35, the plug rod 39 and the clamping block 31 where the plug rod 39 is located in sequence, the positioning bolt 391 is connected with the clamping block 31 through threads, the positioning bolt 391 fixes the cover plate 35 on both sides of the outer sleeve 2, and also can fix the plug rod 39 in the clamping block 31, a cavity 392 is arranged in the cover plate 35, the heat dissipation hole 36 is communicated with the cavity 392, and the heat between the inner sleeve 1 and the outer sleeve 2 can enter the cavity 392 through the positioning heat conduction rod 37 and continue to dissipate to the outside through the heat dissipation hole 36.

[0039] In actual operation, when the device is used, the inner sleeve 1 and the outer sleeve 2 are detachably assembled, and the device has the advantages that when any single part between the inner sleeve 1 and the outer sleeve 2 is seriously damaged during use, the single part can be directly replaced and installed, compared with the traditional shaft sleeve which is designed in an integrated manner and needs to be replaced as a whole once damaged, and cost is saved;

[0040] During specific assembly, the clamping block 31 is inserted into the opening on one side of the clamping seat 32 until all the clamping blocks 31 are completely inserted into the clamping seat 32, then the plug rod 39 is inserted into the corresponding clamping block 31, that is, the clamping seat 32 where the clamping block 31 is located, the positioning heat conduction rod 37 on the cover plate 35 is aligned with the positioning hole 38 and then inserted, finally the positioning bolt 391 is screwed in to complete the installation of the cover plate 35, after installation, the plug rod 39 can prevent the clamping block 31 and the clamping seat 32 from deviating, and the stability of the inner sleeve 1 and the outer sleeve 2 after splicing can be further improved;

[0041] During use, the first heat insulation sheet 33 and the second heat insulation sheet 34 can block heat, then the heat between the inner sleeve 1 and the outer sleeve 2 is transferred to the positioning heat conduction rod 37, the positioning heat conduction rod 37 transfers the heat to the cavity 392 in the cover plate 35, and finally the heat is discharged through the heat dissipation hole 36, so that the heat dissipation performance of the device during use is guaranteed, and long-time fatigue use can be better coped with.

[0042] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A fatigue-resistant ceramic bushing, characterized by: It includes inner bushing (1) and outer bushing (2), the outer bushing (2) is arranged on the outside of inner bushing (1), and the outside of inner bushing (1) is provided with assembling mechanism (3); The assembling mechanism (3) includes a clamping block (31) integrally formed on the inner side wall of the outer bushing (2), a clamping seat (32) integrally formed on the outer side wall of the inner bushing (1), the clamping block (31) extending into the clamping seat (32) and matching with the clamping seat (32), a first heat insulation sheet (33) fixedly connected to the outer side wall of the inner bushing (1), a second heat insulation sheet (34) fixedly connected to the inner side wall of the outer bushing (2), a cover plate (35) provided on the left and right sides of the outer bushing (2), a heat dissipation hole (36) formed on the outer side of the cover plate (35), a positioning heat conduction rod (37) fixedly connected to the inside of the cover plate (35), and a positioning hole (38) formed on the clamping seat (32) and the clamping block (31).

2. The fatigue-resistant ceramic bushing of claim 1, wherein: The clamping block (31) is arranged at equal intervals on the outer side of the outer bushing (2), and the clamping seat (32) is arranged at equal intervals on the outer side of the inner bushing (1).

3. The fatigue-resistant ceramic bushing of claim 1, wherein: The first heat insulation sheet (33) is arranged alternately with the clamping seat (32) on the outer side of the inner bushing (1), and the second heat insulation sheet (34) is arranged alternately with the clamping block (31) on the inner side of the outer bushing (2).

4. The fatigue-resistant ceramic bushing of claim 1, wherein: The two cover plates (35) are respectively attached to the left and right sides of the outer bushing (2), the inner bushing (1) penetrates the cover plate (35) and matches with the cover plate (35), the outer bushing (2) is provided with a plug rod (39), and the plug rod (39) penetrates one of the clamping block (31) and the clamping seat (32) in sequence.

5. The fatigue-resistant ceramic bushing of claim 1, wherein: The positioning heat conduction rod (37) extends out of the cover plate (35), and the positioning heat conduction rod (37) extends into the positioning hole (38) and matches with the positioning hole (38).

6. The fatigue-resistant ceramic bushing of claim 4, wherein: One side of the cover plate (35) is provided with a positioning bolt (391), the positioning bolt (391) penetrates the cover plate (35), the plug rod (39) and the clamping block (31) where the plug rod (39) is located in sequence, and the positioning bolt (391) is connected with the clamping block (31) through threads.

7. The fatigue-resistant ceramic bushing of claim 1, wherein: A cavity (392) is formed in the inside of the cover plate (35), and the heat dissipation hole (36) is communicated with the cavity (392).

Citation Information

Patent Citations

  • Ceramic shaft sleeve with composite structure

    CN219712050U