Protective shaft sleeve
By setting an extension ring on the inner wall of the sleeve housing and using spliced sleeve inner frame, the problems of bushing lubricant oil loss and wear are solved, and the continuous use of lubricant oil and the convenient replacement of bushing parts are achieved.
Patent Information
- Application Number
- CN202422001226.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-19
AI Technical Summary
During long-term work of existing shaft sleeves, lubricating oil is easily lost, the inner wall is easily worn, and it is inconvenient to replace.
By setting an extension ring on the inner wall of the sleeve housing, it is divided into two oil chambers, storing lubricating oil, and using two spliced inner frames of the sleeve, it is easy to wear and replace.
It realizes continuous storage and use of lubricating oil, extends the service life of the sleeve, and simplifies the replacement process of wear parts.
Smart Images
Figure CN222963187U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bushings, and particularly relates to a bushing with protection. Background Art
[0002] At present, a bushing is a cylindrical mechanical part sleeved on a rotating shaft and is a component of a sliding bearing. Its main functions include reducing wear between the shaft and the seat, fixing the position, bearing sliding, dissipating heat, and reducing friction, etc. The bushing is usually in interference fit with the bearing seat and in clearance fit with the shaft.
[0003] At present, the bushing uses lubricating oil to reduce wear between the shaft and the seat, fix the position, bear sliding, dissipate heat, and reduce friction, etc. Under long-term operation, the lubricating oil in the bushing is very easy to lose, and the inner wall of the bushing is very easy to wear, and it is relatively inconvenient to replace. Content of the Utility Model
[0004] The utility model provides a bushing with protection. Through an extension ring, an inner frame of the bushing, and extension blocks, the inner wall of the bushing shell can be divided into two oil chambers by the extension ring, so that the interior can store lubricating oil to continuously lubricate the connection part, and the inner frame of the bushing is composed of two spliced parts, which is convenient for wear replacement.
[0005] To achieve the above purposes, the utility model is realized through the following technical solutions: A bushing with protection, comprising:
[0006] A bushing shell, an extension ring is fixedly arranged on the inner wall of the bushing shell, two inner frames of the bushing are slidably embedded in the inner wall of the bushing shell, one side surfaces of the two inner frames of the bushing close to each other are slidably embedded in the extension ring, a plurality of extension blocks are arranged on the inner wall of the extension ring along the circumferential surface at equal intervals, the outer walls of the plurality of extension blocks are embedded at the connection of the two inner frames of the bushing, and a plurality of limiting blocks are fixedly arranged on the outer walls of the two inner frames of the bushing far from each other along the circumferential surface at equal intervals, and the outer walls of the plurality of limiting blocks are slidably embedded in the bushing shell.
[0007] As a bushing with protection of the utility model, two oil chambers are formed between the bushing shell and the extension ring.
[0008] As a bushing with protection of the utility model, a plurality of oil holes are formed in the outer walls of the two inner frames of the bushing.
[0009] As a bushing with protection of the utility model, the sides of the plurality of extension blocks close to each other are aligned with the inner walls of the two inner frames of the bushing.
[0010] As a protective bushing of the present utility model, on one side of the two inner frames of the bushing that are far away from each other, a plurality of screws are slidably embedded at equal distances along the circumferential surface, and the outer walls of the plurality of screws are threadedly embedded in the bushing housing.
[0011] As a protective bushing of the present utility model, a plurality of connection holes are provided at equal distances along the circumferential surface of the outer wall of the extension ring.
[0012] The present utility model provides a protective bushing. It has the following beneficial effects:
[0013] (1) For the protective bushing, through the extension ring, the inner frame of the bushing and the extension block, the inner wall of the bushing housing can be divided into two oil chambers by the extension ring, so that lubricating oil can be stored inside to continuously lubricate the connection part. Moreover, the inner frame of the bushing is composed of two spliced parts, which is convenient for wear replacement. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is the front view of the present utility model;
[0015] Figure 2 is the cross-sectional view of the present utility model;
[0016] Figure 3 is the exploded view of the present utility model.
[0017] In the figure: 1, bushing housing; 2, extension ring; 3, inner frame of the bushing; 4, extension block; 5, screw; 6, connection hole; 7, limiting block. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0019] Please refer to Figures 1-3 , the present utility model provides a technical solution: a protective bushing, including:
[0020] The bushing housing 1 has an extension ring 2 fixedly provided on the inner wall thereof. Two inner bushing frames 3 are slidably embedded in the inner wall of the bushing housing 1. The outer surfaces of the two inner bushing frames 3 on the side close to each other are slidably embedded in the extension ring 2. A plurality of extension blocks 4 are provided on the inner wall of the extension ring 2 extending equidistantly along the circumferential surface. The outer walls of the plurality of extension blocks 4 are embedded at the connection of the two inner bushing frames 3. A plurality of limiting blocks 7 are fixedly provided on the outer walls of the two inner bushing frames 3 on the side far from each other equidistantly along the circumferential surface. The outer walls of the plurality of limiting blocks 7 are slidably embedded in the bushing housing 1.
[0021] In this embodiment: The inner wall of the bushing housing 1 can be divided into two oil chambers by the extension ring 2. The two inner bushing frames 3 are spliced together with the bushing housing 1 and the extension ring 2 by a plurality of extension blocks 4. The plurality of limiting blocks 7 can prevent the two inner bushing frames 3 from rotating in the bushing housing 1.
[0022] Specifically, two oil chambers are formed between the bushing housing 1 and the extension ring 2.
[0023] In this embodiment: The two oil chambers can store lubricating oil to continuously lubricate the connection part.
[0024] Specifically, a plurality of oil holes are provided on the outer walls of the two inner bushing frames 3.
[0025] In this embodiment: The lubricating oil can penetrate through the plurality of oil holes into the connection part through the plurality of oil holes.
[0026] Specifically, the sides of the plurality of extension blocks 4 close to each other are aligned with the inner walls of the two inner bushing frames 3.
[0027] In this embodiment: By aligning the plurality of extension blocks 4 with the inner walls of the two inner bushing frames 3, stable rotation of the connection part can be ensured.
[0028] Specifically, a plurality of screws 5 are slidably embedded in the two inner bushing frames 3 on the side far from each other equidistantly along the circumferential surface. The outer walls of the plurality of screws 5 are threadedly embedded in the bushing housing 1.
[0029] In this embodiment: The outer walls of the two inner bushing frames 3 can be fixed on the bushing housing 1 by the plurality of screws 5.
[0030] Specifically, a plurality of connection holes 6 are provided on the outer wall of the extension ring 2 equidistantly along the circumferential surface.
[0031] In this embodiment: The two oil chambers can be interconnected through the plurality of connection holes 6.
[0032] During use, the extension ring 2 can divide the inner wall of the bushing housing 1 into two oil chambers. The two inner bushing frames 3 are spliced together by a plurality of extension blocks 4 on the bushing housing 1 and the extension ring 2. A plurality of limiting blocks 7 can prevent the two inner bushing frames 3 from rotating within the bushing housing 1. A plurality of oil holes allow lubricating oil to penetrate through the plurality of oil holes into the connection points. The alignment of the plurality of extension blocks 4 with the inner walls of the two inner bushing frames 3 can ensure stable rotation at the connection points. A plurality of screws 5 can fix the outer walls of the two inner bushing frames 3 to the bushing housing 1. A plurality of connection holes 6 can connect the two oil chambers to each other. The extension ring 2 can be used to divide the inner wall of the bushing housing 1 into two oil chambers, enabling the internal storage of lubricating oil to continuously lubricate the connection part. Moreover, the inner bushing frame 3 is composed of two spliced parts, which is convenient for wear replacement.
[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.
Claims
1. A protective sleeve, characterized in that: include: A shaft sleeve shell (1), wherein an extension ring (2) is fixedly provided on the inner wall of the shaft sleeve shell (1), and two shaft sleeve inner frames (3) are slidably embedded in the inner wall of the shaft sleeve shell (1), and the outer surfaces of the two shaft sleeve inner frames (3) close to each other are slidably embedded in the extension ring (2), and the inner wall of the extension ring (2) is provided with a plurality of extension blocks (4) extending at equal distances along the circumferential surface, and the outer walls of the plurality of extension blocks (4) are embedded in the connection between the two shaft sleeve inner frames (3), and the outer walls of the two shaft sleeve inner frames (3) away from each other are fixedly provided with a plurality of limiting blocks (7) at equal distances along the circumferential surface, and the outer walls of the plurality of limiting blocks (7) are slidably embedded in the shaft sleeve shell (1).
2. A protective sleeve according to claim 1, characterized in that: Two oil chambers are formed between the shaft sleeve housing (1) and the extension ring (2).
3. A protective sleeve according to claim 2, characterized in that: The outer walls of the two shaft sleeve inner frames (3) are each provided with a plurality of oil holes.
4. A protective sleeve according to claim 3, characterized in that: The sides of the plurality of extension blocks (4) that are close to each other are aligned with the inner walls of the two shaft sleeve inner frames (3).
5. A protective sleeve according to claim 4, characterized in that: A plurality of screws (5) are slidably embedded in the two shaft sleeve inner frames (3) at equal distances along the circumferential surface on one side away from each other, and the outer walls of the plurality of screws (5) are all threadedly embedded in the shaft sleeve outer shell (1).
6. A protective sleeve according to claim 5, characterized in that: The outer wall of the extension ring (2) is provided with a plurality of connection holes (6) at equal distances along the circumferential surface.