CN217271489U

CN217271489U - Shaft sleeve with high sealing structure

Info

Publication number: CN217271489U
Application number: CN202220364939.6U
Authority: CN
Inventors: 刘胜飞
Original assignee: Suzhou Changfei Precision Machinery Co ltd
Current assignee: Suzhou Changfei Precision Machinery Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-08-23
Anticipated expiration: 2032-02-18

Abstract

The utility model relates to an axle sleeve field discloses an axle sleeve with high seal structure, including the axle sleeve main part, the solid fixed ring of axle sleeve main part top fixedly connected with, gu fixed ring bottom fixedly connected with evenly distributed's reference column, the reference column all sets up inside the locating hole, the middle part is provided with the draw-in groove in the locating hole, the inside fixture block that all is provided with of draw-in groove, the fixture block is kept away from the equal fixedly connected with fixed column of one end of draw-in groove. The utility model discloses in, through to the inside screw that twists of reference column when using, can tentatively fix axle sleeve main part and fixing base, twist the back completely when the screw, can extrude the fixed block through the screw for inside the draw-in groove can be gone into to the fixture block, can fix axle sleeve main part and fixing base once more through draw-in groove and fixture block, thereby can realize being connected with the stability of fixing base to the axle sleeve main part, thereby be favorable to people to use.

Description

Shaft sleeve with high sealing structure

Technical Field

The utility model relates to an axle sleeve field especially relates to an axle sleeve with high seal structure.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft, generally, the shaft sleeve is in interference fit with a bearing seat and is in clearance fit with the shaft, the shaft sleeve refers to a sleeve on a propeller shaft or a stern shaft, a bearing (called as shaft bearing in Japan) is a component for fixing and reducing load friction coefficient in the mechanical transmission process, the shaft sleeve and the bearing are the same in that the shaft sleeve and the bearing bear the load of the shaft, but the shaft sleeve is of an integral structure and moves relatively between the shaft and the shaft sleeve when rotating; the bearing is split, and the inner ring and the outer ring of the bearing move relatively when the bearing rotates.

In the process of using the shaft sleeve with the high sealing structure, the shaft sleeve with the high sealing structure on the market at present often has a disadvantage in use, namely, the shaft sleeve with the high sealing structure at present often can not be stably connected with an external mounting seat.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a shaft sleeve with a high sealing structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a shaft sleeve with a high sealing structure comprises a shaft sleeve main body, wherein a fixing ring is fixedly connected to the top end of the shaft sleeve main body, positioning columns are uniformly distributed and fixedly connected to the bottom end of the fixing ring, the positioning columns are arranged inside positioning holes, clamping grooves are formed in the middle parts of the positioning holes, clamping blocks are arranged inside the clamping grooves, fixing columns are fixedly connected to the ends, far away from the clamping grooves, of the clamping blocks, one ends, far away from the clamping blocks, of the fixing columns penetrate through limiting rings, the limiting rings are fixedly connected inside cavities, the cavities are arranged inside the shaft sleeve main body, fixing blocks are fixedly connected to the ends, far away from the clamping blocks, of the fixing columns, the fixing blocks and the clamping blocks are in sliding connection with the cavities, springs are arranged between the limiting rings and the fixing blocks, screws are arranged on the sides, far away from the fixing columns, of the fixing blocks, and are in threaded connection with the positioning columns, the screw all runs through the reference column, the screw top all sets up inside the fixed orifices, the inside downside all is provided with sealed bearing in the axle sleeve main part.

As a further description of the above technical solution:

the fixed orifices are all arranged at the top of the fixed ring.

As a further description of the above technical solution:

the bottom of the screw is connected inside the fixed seat in a threaded manner.

As a further description of the above technical solution:

and the sealing bearings are arranged on the upper side and the lower side of the periphery of the rotating shaft.

As a further description of the above technical solution:

the spring is sleeved on one side, close to the fixed block, of the periphery of the fixed column.

As a further description of the above technical solution:

the springs are all arranged inside the cavity.

As a further description of the above technical solution:

the locating holes are all formed in the top of the fixing seat.

As a further description of the above technical solution:

the shaft sleeve main body is arranged inside the fixed seat.

The utility model discloses following beneficial effect has:

in the utility model, firstly, a fixing ring is arranged at one end of the shaft sleeve main body, a positioning column is fixed at one end of the fixing ring and can be matched with a positioning hole on the fixing seat through the positioning column, thereby being capable of positioning and circumferentially limiting the shaft sleeve main body, and meanwhile, the positioning column is internally provided with a spring and a clamping block, when in use, the shaft sleeve main body and the fixed seat can be preliminarily fixed by screwing the screw into the positioning column, when the screw is completely screwed in, the fixing block can be extruded through the screw, so that the clamping block can be clamped into the clamping groove, the shaft sleeve main body and the fixing seat can be fixed again through the clamping groove and the clamping block, thereby realizing the stable connection of the shaft sleeve main body and the fixed seat, being beneficial to people to use, when the screw is screwed out, under the effect of spring, the fixture block will reset, withdraw from the draw-in groove to make the axle sleeve main part be convenient for take out.

Drawings

Fig. 1 is a perspective view of a shaft sleeve with a high sealing structure according to the present invention;

fig. 2 is a front sectional view of a shaft sleeve with a high sealing structure according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a shaft sleeve main body; 2. a fixing ring; 3. a rotating shaft; 4. a fixing hole; 5. sealing the bearing; 6. a fixed seat; 7. a positioning column; 8. a screw; 9. positioning holes; 10. fixing a column; 11. a cavity; 12. a clamping block; 13. a card slot; 14. a limiting ring; 15. a spring; 16. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a shaft sleeve with a high sealing structure comprises a shaft sleeve main body 1, wherein a fixing ring 2 is fixedly connected to the top end of the shaft sleeve main body 1, the bottom ends of the fixing ring 2 are fixedly connected with positioning columns 7 which are uniformly distributed, the positioning columns 7 are all arranged inside positioning holes 9 and can be matched with the positioning holes 9 on a fixing seat 6 through the positioning columns 7, so that the shaft sleeve main body 1 can be positioned and circumferentially limited, a clamping groove 13 is arranged in the middle of the positioning holes 9, clamping blocks 12 are all arranged inside the clamping groove 13, fixing columns 10 are all fixedly connected to the ends, away from the clamping grooves 13, of the clamping blocks 12, one ends, away from the clamping blocks 12, of the fixing columns 10 all penetrate through limiting rings 14, the limiting rings 14 are all fixedly connected inside cavities 11, cavities 11 are all arranged inside the shaft sleeve main body 1, fixing blocks 16 are all fixedly connected to the ends, away from the clamping blocks 12, of the fixing columns 10 are all in sliding connection with the cavities 11, a spring 15 is arranged between the limit ring 14 and the fixed block 16, screws 8 are arranged on one sides of the fixed blocks 16 far away from the fixed column 10, the screws 8 are in threaded connection with the positioning columns 7, the screws 8 penetrate through the positioning columns 7, the shaft sleeve main body 1 and the fixed seat 6 can be preliminarily fixed by screwing the screw 8 into the positioning column 7, after the screw 8 is completely screwed in, the fixing block 16 can be extruded through the screw 8, so that the fixture block 12 can be clamped into the clamping groove 13, the shaft sleeve main body 1 and the fixed seat 6 can be fixed again through the clamping groove 13 and the clamping block 12, thereby can realize being connected with the stable of fixing base 6 to axle sleeve main part 1 to be favorable to people to use, 8 tops of screw all set up inside fixed orifices 4, and the downside all is provided with sealed bearing 5 about axle sleeve main part 1 is inside, can seal axle sleeve main part 1 and pivot 3 through sealed bearing 5.

Fixed orifices 4 all set up at solid fixed ring 2 tops, can cooperate with locating hole 9 on the fixing base 6 through reference column 7, thereby can fix a position and circumference spacing axle sleeve main part 1, the equal threaded connection in screw 8 bottom is inside fixing base 6, sealed bearing 5 all sets up the downside in 3 peripheries of pivot, spring 15 is all established and is being close to one side of fixed block 16 in fixed column 10 periphery, spring 15 all sets up inside cavity 11, when screw 8 is twisted out, under the effect of spring 15, fixture block 12 will reset, withdraw from draw-in groove 13, thereby make axle sleeve main part 1 be convenient for take out, locating hole 9 all sets up at fixing base 6 tops, axle sleeve main part 1 sets up inside fixing base 6.

The working principle is as follows: firstly, a fixing ring 2 is arranged at one end of a shaft sleeve main body 1, a positioning column 7 is fixed at one end of the fixing ring 2, the positioning column 7 can be matched with a positioning hole 9 on a fixing seat 6, so that the shaft sleeve main body 1 can be positioned and limited circumferentially, meanwhile, a spring 15 and a clamping block 12 are arranged inside the positioning column 7, when in use, the shaft sleeve main body 1 and the fixing seat 6 can be preliminarily fixed by screwing a screw 8 into the positioning column 7, after the screw 8 is completely screwed, a fixing block 16 can be extruded through the screw 8, so that the clamping block 12 can be clamped into a clamping groove 13, the shaft sleeve main body 1 and the fixing seat 6 can be fixed again through the clamping groove 13 and the clamping block 12, so that the shaft sleeve main body 1 and the fixing seat 6 can be stably connected, thereby being beneficial to people to use, when the screw 8 is screwed out, under the action of the spring 15, the clamping block 12 will reset and exit the clamping groove 13, so that the shaft sleeve main body 1 is convenient to take out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a shaft sleeve with high seal structure, includes shaft sleeve main part (1), its characterized in that: the shaft sleeve comprises a shaft sleeve main body (1), wherein a fixing ring (2) is fixedly connected to the top end of the shaft sleeve main body (1), positioning columns (7) which are uniformly distributed are fixedly connected to the bottom end of the fixing ring (2), the positioning columns (7) are all arranged inside positioning holes (9), a clamping groove (13) is formed in the middle of the inside of each positioning hole (9), clamping blocks (12) are all arranged inside the clamping grooves (13), a fixing column (10) is fixedly connected to one end, away from the clamping blocks (13), of each clamping block (12), one end, away from the clamping blocks (12), of each fixing column (10) penetrates through a limiting ring (14), the limiting rings (14) are all fixedly connected to the inside of a cavity (11), the cavities (11) are all arranged inside the shaft sleeve main body (1), a fixing block (16) is fixedly connected to one end, away from the clamping blocks (12), of each fixing column (10) is connected with the cavity (11) in a sliding mode, all be provided with spring (15) between spacing ring (14) and fixed block (16), one side that fixed column (10) was kept away from in fixed block (16) all is provided with screw (8), screw (8) all with reference column (7) threaded connection, reference column (7) all run through in screw (8), screw (8) top all sets up inside fixed orifices (4), downside all is provided with sealed bearing (5) on axle sleeve main part (1) inside.

2. The bushing with a high sealing structure according to claim 1, wherein: the fixing holes (4) are all arranged at the top of the fixing ring (2).

3. The bushing with a high sealing structure according to claim 1, wherein: the bottom of the screw (8) is in threaded connection with the inside of the fixed seat (6).

4. The bushing with a high sealing structure according to claim 1, wherein: and the sealing bearings (5) are arranged on the upper side and the lower side of the periphery of the rotating shaft (3).

5. The bushing with a high sealing structure according to claim 1, wherein: the springs (15) are all sleeved on one side, close to the fixed block (16), of the periphery of the fixed column (10).

6. The bushing with a high sealing structure according to claim 1, wherein: the springs (15) are all arranged inside the cavity (11).

7. The bushing with a high sealing structure according to claim 1, wherein: the positioning holes (9) are all arranged at the top of the fixing seat (6).

8. The bushing with a high sealing structure according to claim 1, wherein: the shaft sleeve main body (1) is arranged inside the fixed seat (6).