CN214007772U

CN214007772U - Shaft sleeve

Info

Publication number: CN214007772U
Application number: CN202023226684.7U
Authority: CN
Inventors: 王显坤
Original assignee: Heilongjiang Huaite New Materials Co ltd
Current assignee: Heilongjiang Huaite New Materials Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-20
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to the technical field of shaft sleeves, in particular to a shaft sleeve, which comprises an outer sleeve body and an inner sleeve body, wherein the outer sleeve body is internally provided with the inner sleeve body, one end of the inner sleeve body is provided with a connecting end, a plurality of elastic pieces are horizontally connected between the outer sleeve body and the inner sleeve body, the top of the outer sleeve body is connected with a first dust retaining ring, the bottom of the outer sleeve body is connected with a second dust retaining ring, a plurality of oil injection channels are vertically arranged in the inner sleeve body, the inner side of the inner sleeve body is provided with a plurality of oil outlet holes, each oil outlet hole is correspondingly provided with an oil outlet channel, one end of each oil outlet channel is communicated with the oil injection channel, a plurality of oil injection holes are vertically arranged on the first dust retaining ring, a sealing plug is arranged in each oil injection hole, and the oil injection holes are arranged above the oil injection channels; the outer sleeve body comprises a titanium alloy pipe, and a wear-resistant layer is arranged on the outer side of the titanium alloy pipe, and a rubber layer is arranged on the inner side of the titanium alloy pipe. The inner sleeve body is protected through the outer sleeve body and the inner sleeve body, and the service life of the shaft sleeve is prolonged.

Description

Shaft sleeve

Technical Field

The utility model relates to an axle sleeve technical field specifically is an axle sleeve.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of a sliding bearing, and the shaft sleeve is in interference fit with the bearing seat and is in clearance fit with the shaft; current axle sleeve all is single-layer construction, when meetting external force and assault, the axle sleeve warp easily, reduces life, and the axle sleeve is difficult to lubricate the junction with the pivot, leads to the connection of axle sleeve and pivot to go wrong.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaft sleeve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a shaft sleeve comprises an outer sleeve body and an inner sleeve body, wherein the outer sleeve body is internally provided with the inner sleeve body, one end of the inner sleeve body is provided with a connecting end, a plurality of elastic parts are horizontally connected between the outer sleeve body and the inner sleeve body, the top of the outer sleeve body is connected with a first dust blocking ring, the bottom of the outer sleeve body is connected with a second dust blocking ring, a plurality of oil injection channels are vertically arranged in the inner sleeve body, a plurality of oil outlet holes are formed in the inner side of the inner sleeve body, each oil outlet hole is correspondingly provided with an oil outlet channel, one end of each oil outlet channel is communicated with each oil injection channel, a plurality of oil injection holes are vertically arranged on the first dust blocking ring, each oil injection hole is internally provided with a sealing plug, and each oil injection hole is arranged above each oil injection channel; the outer sleeve body comprises a titanium alloy pipe, and a wear-resistant layer is arranged on the outer side of the titanium alloy pipe, and a rubber layer is arranged on the inner side of the titanium alloy pipe.

Preferably, the inner sleeve body and the connecting end are of an integrated structure, the diameter of one end of the connecting end is smaller than that of the inner sleeve body, and the connecting end is of an arc-shaped chamfer structure.

Preferably, both ends all are provided with a plurality of first connecting holes about the outer sleeve body, all are provided with a plurality of second connecting holes on first fender dirt ring and the second fender dirt ring, and the second connecting hole is counter bore structure, and the quantity that first connecting hole and second connecting hole set up is the same, and first connecting hole and second connecting hole all are connected with the bolt.

Preferably, the number of the oil filling holes is the same as that of the oil filling channels, and the diameter of the oil filling holes is smaller than that of the oil filling channels.

Preferably, one end of the elastic member is fixedly connected to the inner side of the rubber layer of the outer sleeve body, and the other end of the elastic member is of an arc-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: through the outer cover body and the inner cover body that set up, the inner cover body is protected, the life of extension axle sleeve, the inboard elastic component of outer cover body, installation through the inner cover body, extrude the elastic component, the elastic component promotes joint strength, avoid the risk that the inner cover body drops, through setting up oiling passageway and oil outlet channel, the oil filler point corresponds the setting with oiling passageway, can conveniently lubricate the junction of axle sleeve and pivot, reduce the wearing and tearing of axle sleeve and pivot, improve the result of use of axle sleeve and pivot, reduce the frequency of changing the axle sleeve because of wearing and tearing, thereby reduce cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall split of the present invention;

fig. 3 is a top view of the inner sleeve and the outer sleeve of the present invention;

fig. 4 is a partial cross-sectional view of the outer casing of the present invention.

In the figure: 1. an outer casing; 2. an inner sleeve body; 21. a connecting end; 3. a first dust ring; 4. a second dust retaining ring; 5. an elastic member; 6. a first connection hole; 7. an oil injection channel; 8. a second connection hole; 9. an oil filler hole; 10. a sealing plug; 11. an oil outlet channel; 101. a wear layer; 102. a titanium alloy tube; 103. a rubber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a shaft sleeve comprises an outer sleeve body 1 and an inner sleeve body 2, wherein the outer sleeve body 1 is internally provided with the inner sleeve body 2, one end of the inner sleeve body 2 is provided with a connecting end 21, a plurality of elastic pieces 5 are horizontally connected between the outer sleeve body 1 and the inner sleeve body 2, the top of the outer sleeve body 1 is connected with a first dust blocking ring 3, the bottom of the outer sleeve body 1 is connected with a second dust blocking ring 4, a plurality of oil injection channels 7 are vertically arranged in the inner sleeve body 2, the inner side of the inner sleeve body 2 is provided with a plurality of oil outlet holes, each oil outlet hole is correspondingly provided with an oil outlet channel 11, one end of each oil outlet channel 11 is communicated with the oil injection channel 7, a plurality of oil injection holes 9 are vertically arranged on the first dust blocking ring 3, a sealing plug 10 is arranged in each oil injection hole 9, and the oil injection holes 9 are arranged above the oil injection channels 7; the outer sleeve body 1 comprises a titanium alloy pipe 102, a wear-resistant layer is arranged on the outer side of the titanium alloy pipe 102, a rubber layer 103 is arranged on the inner side of the titanium alloy pipe 102, and a rubber layer is arranged on the inner side of the titanium alloy pipe 102.

The inner sleeve body 2 and the connecting end 21 are of an integral structure, the diameter of one end of the connecting end 21 is smaller than that of the inner sleeve body 2, and the connecting end 21 is of an arc-shaped chamfer structure.

Both ends all are provided with a plurality of first connecting holes 6 about the outer cover 1, all are provided with a plurality of second connecting holes 8 on first fender dirt ring 3 and the second fender dirt ring 4, and second connecting hole 8 is the counter sink structure, and the quantity that first connecting hole 6 and second connecting hole 8 set up is the same, and first connecting hole 6 and second connecting hole 8 all are connected with the bolt.

The number of the oil filling holes 9 is the same as that of the oil filling channels 7, and the diameter of the oil filling holes 9 is smaller than that of the oil filling channels 7.

One end of the elastic member 5 is fixedly connected to the inner side of the rubber layer 103 of the outer sleeve 1, and the other end of the elastic member 5 is of an arc-shaped structure.

The working principle is as follows: during the use, interior cover body 2 passes through the link 21 to be installed to outer cover body 1 in, extrudees elastic component 5, and the rethread bolt is connected with second connecting hole 8 and first connecting hole 6, installs the both ends at outer cover body 1 with first fender dirt ring 3 and second fender dirt ring 4, pours into lubricating oil into to oiling passageway 7 in through oil filler point 9, flows out through oil outlet channel 11, lubricates the junction of the interior cover body 1 and pivot.

It is worth noting that: the whole device realizes control over the device through the control button, and because the equipment matched with the control button is common equipment, the device belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shaft sleeve, includes outer cover body (1) and interior cover body (2), its characterized in that: an inner sleeve body (2) is arranged in the outer sleeve body (1), a connecting end (21) is arranged at one end of the inner sleeve body (2), a plurality of elastic pieces (5) are horizontally connected between the outer sleeve body (1) and the inner sleeve body (2), the top of the outer sleeve body (1) is connected with a first dust blocking ring (3), the bottom of the outer sleeve body (1) is connected with a second dust blocking ring (4), a plurality of oil filling channels (7) are vertically arranged in the inner sleeve body (2), a plurality of oil outlet holes are arranged on the inner side of the inner sleeve body (2), each oil outlet hole is correspondingly provided with an oil outlet channel (11), one end of each oil outlet channel (11) is communicated with each oil filling channel (7), a plurality of oil filling holes (9) are vertically arranged on the first dust blocking ring (3), a sealing plug (10) is arranged in each oil filling hole (9), and each oil filling hole (9) is arranged above each oil filling channel (7); the outer sleeve body (1) comprises a titanium alloy pipe (102), a wear-resistant layer (101) is arranged on the outer side of the titanium alloy pipe (102), and a rubber layer (103) is arranged on the inner side of the titanium alloy pipe (102).

2. A sleeve according to claim 1, wherein: the inner sleeve body (2) and the connecting end (21) are of an integrated structure, the diameter of one end of the connecting end (21) is smaller than that of the inner sleeve body (2), and the connecting end (21) is of an arc-shaped chamfer structure.

3. A sleeve according to claim 1, wherein: both ends all are provided with a plurality of first connecting hole (6) about outer cover (1), all are provided with a plurality of second connecting hole (8) on first fender dirt ring (3) and the second fender dirt ring (4), and second connecting hole (8) are counter sink structure, and first connecting hole (6) and the quantity that second connecting hole (8) set up are the same, and first connecting hole (6) and second connecting hole (8) all are connected with the bolt.

4. A sleeve according to claim 1, wherein: the number of the oil filling holes (9) is the same as that of the oil filling channels (7), and the diameter of the oil filling holes (9) is smaller than that of the oil filling channels (7).

5. A sleeve according to claim 1, wherein: one end of the elastic part (5) is fixedly connected with the inner side of the rubber layer (103) of the outer sleeve body (1), and the other end of the elastic part (5) is of an arc-shaped structure.