Wear-resistant shaft sleeve

Abstract

The utility model relates to the technical field of shaft sleeves, and particularly discloses a wear-resistant shaft sleeve which comprises two groups of arc-shaped sleeve bodies and two groups of inner sleeve bodies, two groups of mounting holes are formed in the two ends of each group of arc-shaped sleeve bodies, imbedding grooves communicated with the mounting holes are formed in the outer walls of the arc-shaped sleeve bodies, and connecting pieces for connecting the two groups of arc-shaped sleeve bodies are mounted in the mounting holes; the arc-shaped outer wall of the inner sleeve body is fixedly connected with a guide ring, and the arc-shaped inner wall of the arc-shaped sleeve body is connected with a guide groove used for sliding of the guide ring. The arc-shaped sleeve body and the inner sleeve body are matched in structure, assembling and disassembling are convenient, in the using process, the inner sleeve body can rotate, or the whole shaft sleeve rotates, the inner sleeve body which is prone to abrasion is convenient to replace, and the overall service life of the shaft sleeve is prolonged; the arrangement of the inner sleeve body can improve the wear resistance of the shaft sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft sleeves, in particular to a wear-resistant shaft sleeve. Background Art

[0002] A sleeve is a commonly used mechanical component used to support, protect, and reduce friction in mechanical parts. It is usually a cylindrical mechanical part that fits over a rotating shaft and is a component of a sliding bearing.

[0003] The shaft sleeve disclosed in the existing patent announcement number CN208587393U includes a tubular shaft sleeve body, the inner wall of the shaft sleeve body is provided with a plurality of oil hole blind holes, the side wall of the shaft sleeve body is also provided with oil holes passing through the inside and outside of the shaft sleeve body, and an annular first oil storage groove is provided on the outer circle of the shaft sleeve body, and an oil guide groove for connecting the first oil storage groove and the oil hole is provided on the outer circle of the shaft sleeve body; by processing the oil guide groove on the outer circle of the shaft sleeve body, the lubricating oil in the first oil storage groove can be diverted to the oil hole position, and then the lubricating oil flows into the plurality of oil hole blind holes on the inner wall of the shaft sleeve body, thereby realizing lubrication of the inner hole of the shaft sleeve and the outer circle of the rotating shaft, ensuring that the rotating shaft rotates flexibly in the shaft sleeve, and extending the service life of the shaft sleeve and the rotating shaft.

[0004] The above-mentioned sleeve can be installed and used when in use, and the setting of lubricating oil can play a lubricating role and prolong the service life, but when it is worn, it will be replaced as a whole, which still needs to be improved. In view of the above problems, a wear-resistant sleeve is proposed. Utility Model Content

[0005] The purpose of the present invention is to provide a wear-resistant shaft sleeve to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A wear-resistant shaft sleeve comprises two sets of arc-shaped sleeve bodies and two sets of inner sleeve bodies;

[0008] Two sets of mounting holes are provided at both ends of each set of arc-shaped sleeves, and an insertion groove communicating with the mounting holes is provided on the outer wall of the arc-shaped sleeve, and a connecting piece for connecting the two sets of arc-shaped sleeves is installed in the mounting holes;

[0009] The arcuate outer wall of the inner sleeve is fixedly connected to the guide ring, and the arcuate inner wall of the arcuate sleeve is connected to a guide groove for the guide ring to slide;

[0010] An oil filling portion is provided on the arc-shaped sleeve body, and a plurality of oil holes are provided on the inner sleeve body.

[0011] In an optional solution, the connecting member includes a mounting bolt and a nut threadedly connected to the inner sleeve body, the mounting hole cooperates with the shaft of the mounting bolt, and the head of the mounting bolt and the nut both correspond to the insertion groove.

[0012] In an optional solution, the arcuate outer wall of the inner sleeve is slidably fitted with the arcuate inner wall of the arcuate sleeve.

[0013] In an optional solution, both ends of the guide groove are connected to the outside.

[0014] In an optional solution: the oil filling part includes an oil filling groove and an oil outlet hole, the oil filling groove is arranged on the arc-shaped sleeve, and the top of the oil filling groove is connected to the outside, and the oil outlet hole is arranged on the inner wall of the arc-shaped sleeve, and the oil outlet hole is connected to the oil filling groove.

[0015] In an optional solution, the top and bottom of the guide ring are both provided with oil holes opened on the inner sleeve body.

[0016] In an optional solution, the insertion groove is communicated with the outside.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The structural coordination of the arc-shaped sleeve and the inner sleeve in the utility model facilitates assembly and disassembly. When in use, the inner sleeve can be rotated, or the shaft sleeve can be rotated as a whole. The inner sleeve that is easily worn can be easily replaced, thereby extending the overall service life of the shaft sleeve.

[0019] The arrangement of the inner sleeve in the utility model can improve the wear resistance of the shaft sleeve;

[0020] The coordinated arrangement of the oil filling portion and the oil through hole on the inner sleeve of the utility model is conducive to injecting lubricating oil for lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of the present utility model.

[0022] Figure 2 It is a schematic diagram of the local structure of the utility model.

[0023] Figure 3 This is a schematic diagram of the split structure of the utility model.

[0024] In the figure: 10, arc-shaped sleeve; 11, oil filling groove; 12, oil outlet hole; 13, guide groove; 14, mounting hole; 15, insertion groove; 20, inner sleeve; 21, guide ring; 22, oil through hole; 30, mounting bolt; 31, nut. DETAILED DESCRIPTION

[0025] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 3 In this embodiment, a wear-resistant sleeve includes two sets of arc-shaped sleeve bodies 10 and two sets of inner sleeve bodies 20;

[0028] Each set of arc-shaped sleeves 10 is provided with two sets of mounting holes 14 at both ends. The outer wall of the arc-shaped sleeve 10 is provided with an insertion groove 15 communicating with the mounting holes 14. The mounting holes 14 are provided with a connector for connecting the two sets of arc-shaped sleeves 10.

[0029] The arc-shaped outer wall of the inner sleeve 20 is fixedly connected to the guide ring 21, and the arc-shaped inner wall of the arc-shaped sleeve 10 is connected to the guide groove 13 for the guide ring 21 to slide;

[0030] The arc-shaped sleeve 10 is provided with an oil filling portion, and the inner sleeve 20 is provided with a plurality of oil holes 22;

[0031] In this embodiment, the inner sleeve 20 can be installed on one side of the arc-shaped inner wall of the arc-shaped sleeve 10. During installation, the guide ring 21 can be docked into the guide groove 13, and then the two sets of arc-shaped sleeves 10 are connected and fixed by a connecting piece. The inner sleeve 20 can be confined in the arc-shaped sleeve 10, but can rotate;

[0032] In actual use, grooves can be opened on the inner sleeve 20 according to actual conditions.

[0033] In another embodiment, the connecting member includes a mounting bolt 30 and a nut 31 threadedly connected to the inner sleeve 20, the mounting hole 14 cooperates with the shaft of the mounting bolt 30, and the head of the mounting bolt 30 and the nut 31 both correspond to the insertion groove 15;

[0034] The shaft of the mounting bolt 30 passes through the mounting hole 14, and then the nut 31 is connected. The nut 31 and the head of the mounting bolt 30 can be placed in the corresponding placement groove 15 to prevent the setting of the connecting piece from affecting the outer wall of the sleeve.

[0035] In another embodiment, the arcuate outer wall of the inner sleeve 20 is slidably fitted with the arcuate inner wall of the arcuate sleeve 10 .

[0036] In another embodiment, both ends of the guide groove 13 are connected to the outside, so as to facilitate the sliding removal of the guide ring 21 .

[0037] In another embodiment, the oil filling portion includes an oil filling groove 11 and an oil outlet hole 12, wherein the oil filling groove 11 is provided on the arc-shaped sleeve 10, and the top of the oil filling groove 11 is communicated with the outside, and the oil outlet hole 12 is provided on the inner wall of the arc-shaped sleeve 10, and the oil outlet hole 12 is communicated with the oil filling groove 11;

[0038] Lubricating oil can be injected through the oil filling groove 11 and then discharged from the oil outlet 12. The lubricating oil is placed between the arc-shaped sleeve 10 and the inner sleeve 20, and part of the lubricating oil enters one side of the inner sleeve 20 through the oil through hole 22.

[0039] In another embodiment, the top and bottom of the guide ring 21 are both provided with oil holes 22 opened on the inner sleeve body 20 to facilitate the flow of lubricating oil.

[0040] In another embodiment, the insertion groove 15 is connected to the outside to facilitate the installation of the bolt 30 and the nut 31.

[0041] When the present invention is used, the inner sleeve 20 can be installed on one side of the arc-shaped inner wall of the arc-shaped sleeve 10. During installation, the guide ring 21 can be docked into the guide groove 13, and the shaft of the mounting bolt 30 passes through the mounting hole 14. Then, the nut 31 is connected, and the heads of the nut 31 and the mounting bolt 30 can be inserted into the corresponding insertion grooves 15. The two groups of arc-shaped sleeves 10 are connected and fixed, and the inner sleeve 20 can be confined in the arc-shaped sleeve 10, but can be rotated, and the sleeve can be installed on other components for use.

[0042] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A wear-resistant sleeve, comprising two sets of arc-shaped sleeve bodies (10) and two sets of inner sleeve bodies (20); Features: Two groups of mounting holes (14) are provided at both ends of each group of arc-shaped sleeves (10); an insertion groove (15) communicating with the mounting holes (14) is provided on the outer wall of the arc-shaped sleeves (10); and a connecting piece for connecting the two groups of arc-shaped sleeves (10) is installed in the mounting holes (14); The arc-shaped outer wall of the inner sleeve (20) is fixedly connected to the guide ring (21), and the arc-shaped inner wall of the arc-shaped sleeve (10) is connected to a guide groove (13) for the guide ring (21) to slide; The arc-shaped sleeve (10) is provided with an oil injection portion, and the inner sleeve (20) is provided with a plurality of oil holes (22).

2. A wear-resistant sleeve according to claim 1, characterized in that: The connecting piece comprises a mounting bolt (30) and a nut (31) threadedly connected to the inner sleeve (20); the mounting hole (14) matches the shaft of the mounting bolt (30); the head of the mounting bolt (30) and the nut (31) both correspond to the insertion groove (15).

3. The wear-resistant sleeve according to claim 1, characterized in that: The arcuate outer wall of the inner sleeve (20) is slidably matched with the arcuate inner wall of the arcuate sleeve (10).

4. The wear-resistant sleeve according to claim 1, characterized in that: Both ends of the guide groove (13) are communicated with the outside.

5. The wear-resistant sleeve according to claim 1, characterized in that: The oil filling portion comprises an oil filling groove (11) and an oil outlet hole (12); the oil filling groove (11) is arranged on the arc-shaped sleeve (10), and the top end of the oil filling groove (11) is connected to the outside; the oil outlet hole (12) is arranged on the inner wall of the arc-shaped sleeve (10), and the oil outlet hole (12) is connected to the oil filling groove (11).

6. The wear-resistant sleeve according to claim 1, characterized in that: The top and bottom of the guide ring (21) are both provided with oil holes (22) opened on the inner sleeve body (20).

7. The wear-resistant sleeve according to claim 1, characterized in that: The insertion groove (15) is communicated with the outside.

Images