CN210068758U

CN210068758U - Shaft sleeve

Info

Publication number: CN210068758U
Application number: CN201920560563.4U
Authority: CN
Inventors: 陈华龙
Original assignee: Ruian Cenqi Machinery Co Ltd
Current assignee: Ruian Cenqi Machinery Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-02-14
Anticipated expiration: 2029-04-24

Abstract

The utility model relates to an axle sleeve, including cylindric axle sleeve body, the inner wall of axle sleeve body is equipped with the bar and leads to the groove, axle sleeve body one side is equipped with the card in proper order by near and far and puts the ring, supplementary ring and spacing ring, the card is put and is equipped with reset spring between ring and the axle sleeve body, and the card is put the ring and is passed through screw and this body coupling of axle sleeve fixed with supplementary ring, the card is put the ring and is equipped with annular protruding a near the one end of axle sleeve body, the other end is equipped with evenly distributed's arc card and puts the strip, be equipped with the arc through-hole of putting a looks adaptation with the arc card on the supplementary ring, its edge of one end that the spacing ring is close to the axle sleeve body is equipped with the annular protruding b of fixing with this body coupling of axle sleeve, and this end is equipped with evenly distributed's standing groove, it puts. The clamping ring, the auxiliary ring, the reset ring and the parts thereof are matched, so that the shaft sleeve is clamped and fixed on the shaft.

Description

Shaft sleeve

Technical Field

The utility model belongs to the technical field of the bearing accessory and specifically relates to a shaft 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 and the bearing seat are generally in interference fit, are in clearance fit with the shaft and are connected in a clamping mode through keys. The existing shaft sleeve is not provided with any device for fixing the position of the shaft sleeve after being connected with the shaft sleeve, so that an installation shaft with a small diameter end is machined at one end of the shaft, and the shaft sleeve is limited and fixed by a nut after being installed.

SUMMERY OF THE UTILITY MODEL

To the not enough in the background art, the utility model provides a shaft sleeve to overcome above defect.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a shaft sleeve, including cylindric shaft sleeve body, the inner wall of shaft sleeve body is equipped with the bar and leads to the groove, shaft sleeve body one side is equipped with the card in proper order by near and far and puts the ring, supplementary ring and spacing ring, the card is put and is equipped with reset spring between ring and the shaft sleeve body, and the card is put the ring and is passed through screw and this body coupling of shaft sleeve fixed with supplementary ring, the card is put the ring and is equipped with annular protruding a near the one end of shaft sleeve body, the other end is equipped with evenly distributed's arc card and puts the strip, be equipped with the arc through-hole of putting a looks adaptation with the arc card on the supplementary ring, its edge of one end that the spacing ring is close to the shaft sleeve body is equipped with the annular protruding b of fixing with this body coupling of shaft sleeve, and this end is equipped with evenly distributed's standing groove.

The periphery of the annular bulge b is provided with symmetrically distributed U-shaped pull-down through holes and uniformly distributed strip-shaped fixing through holes.

The periphery of the clamping ring is provided with a pull-down blind hole corresponding to the U-shaped pull-down through hole.

The two ends of the arc-shaped clamping strip are provided with limiting notches matched with the sliding columns.

The inner walls of the clamping ring and the auxiliary ring are provided with through groove gaps matched with the strip-shaped through grooves, and the limiting ring is provided with fan-shaped gaps matched with the strip-shaped through grooves.

The inner wall of the shaft sleeve body, which is close to one end of the clamping ring, is provided with an annular notch a for the sliding of the annular protrusion a, and the periphery of the end is provided with an annular notch b for the sleeving of the annular protrusion a.

The diameters of the clamping ring and the auxiliary ring are smaller than the diameter of the limiting ring.

Owing to adopted above-mentioned technical scheme, ring, supplementary ring and reset ring and the cooperation of part are put through setting up the card to a shaft sleeve, make it realize that the axle sleeve is put fixedly at epaxial card, the utility model discloses simple structure, simple to operate has effectually solved the axle sleeve and has installed in the fixed spacing problem after epaxial.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the exploded structure of the present invention.

Fig. 3 is a schematic structural view of the sleeve body 1 in fig. 2.

Fig. 4 is a schematic structural view of the snap ring 2 and the auxiliary ring 3 in fig. 2.

Fig. 5 is a schematic structural view of the stop collar 4 and the strip-shaped clamping member 6 in fig. 2.

Fig. 6 is a use state diagram of the clamping ring 2, the auxiliary ring 3, the limiting ring 4, the return spring 5 and the strip-shaped clamping piece 6 in fig. 2.

In the figure: 1. a shaft sleeve body; 11. a strip-shaped through groove; 12. an annular gap a; 13. an annular gap b; 2. clamping the ring; 21. an annular protrusion a; 22. an arc-shaped clamping strip; 23. pulling down the blind hole; 24. a limiting notch; 25. a through groove gap; 3. an auxiliary ring; 31. an arc-shaped through hole; 4. a limiting ring; 41. an annular projection b; 42. a placement groove; 43. a U-shaped pull-down through hole; 44. a strip-shaped fixing through hole; 45. a sector-shaped notch; 5. a return spring; 6. a strip-shaped clamping piece; 61. and (4) sliding the column.

Detailed Description

The present invention will be described in more detail with reference to the following examples, which are illustrated in the accompanying drawings. This example is merely a description of the best mode of carrying out the invention and is not intended to limit the scope of the invention in any way.

As shown in fig. 1 to 6, a shaft sleeve comprises a cylindrical shaft sleeve body 1, a strip-shaped through groove 11 is formed in the inner wall of the shaft sleeve body 1, and the shaft sleeve body 1 and a shaft are clamped and fixed through the matching of keys and the strip-shaped through groove 11;

the utility model discloses a bearing sleeve, including axle sleeve body 1, supplementary ring 3, spacing ring 4, the clamp is put and is equipped with reset spring 5 between ring 2 and the axle sleeve body 1 by nearly to be equipped with the card in proper order far away in axle sleeve body 1 one side, the card is put and is equipped with reset spring 5 between ring 2 and the axle sleeve body 1, and the card is put ring 2 and supplementary ring 3 and is connected fixedly through screw and axle sleeve body 1, the card is put the ring 2 and is equipped with annular arch a21 near the one end of axle sleeve body 1, the other end is equipped with evenly distributed's arc card and puts strip 22, be equipped with the arc through-hole 31 of putting strip 22 looks adaptation with the arc card on supplementary ring 3, its edge of spacing ring 4 one end near axle sleeve body 1 is equipped with the annular arch b41 of being connected fixedly with axle sleeve body 1, and this end is equipped with evenly distributed's standing groove 42.

The outer periphery of the annular protrusion b41 is provided with symmetrically distributed U-shaped pull-down through holes 43 and uniformly distributed strip-shaped fixing through holes 44.

The periphery of the clamping ring 2 is provided with a pull-down blind hole 23 corresponding to the position of the U-shaped pull-down through hole 43.

The two ends of the arc-shaped clamping strip 22 are provided with limiting notches 24 matched with the sliding columns 61.

The inner walls of the clamping ring 2 and the auxiliary ring 3 are provided with through groove gaps 25 matched with the strip-shaped through grooves 11, and the limiting ring 4 is provided with fan-shaped gaps 45 matched with the strip-shaped through grooves 11.

The inner wall of the end of the shaft sleeve body 1 close to the clamping ring 2 is provided with an annular notch a12 for the sliding of the annular protrusion a21, and the periphery of the end is provided with an annular notch b13 for the sleeving of the annular protrusion.

The diameter of the clamping ring 2 and the auxiliary ring is smaller than that of the limiting ring 4.

The specific working principle is as follows:

the shaft sleeve body 1 is sleeved on the shaft, a key on the shaft is inserted into the strip-shaped through groove 11 to be connected and fixed with the shaft sleeve body 1, at the moment, a tool shown in figure 6 is used, a lug matched with the L-shaped pull-down blind hole 23 is arranged at one end of the tool, the lug is inserted into the pull-down blind hole 23 and pulled towards the direction of the shaft sleeve body 1 along one end of the U-shaped pull-down through hole 43, the spring is compressed, at the moment, the arc-shaped clamping strip 22 is separated from the arc-shaped through hole 31, and the sliding column 61 is not clamped;

further, the limiting ring 4 is rotated counterclockwise, so that the sliding column 61 extends out of the strip-shaped fixing through hole 44 gradually along with the sliding of the sliding column 61 from one end to the other end of the arc-shaped through hole 31, and moves towards the axis direction of the limiting ring 4; the limiting and clamping of the shaft sleeve body 1 can be realized only by arranging an annular groove on the shaft for inserting one end of the strip-shaped clamping piece 6;

furthermore, the clamping ring 2 is loosened to move in the direction far away from the shaft sleeve body 1 under the action of the return spring 5, the arc-shaped clamping strip 22 is inserted into the arc-shaped through hole 31 again, and the limiting notch 24 of the clamping ring is matched with the arc-shaped through hole 31 to clamp and fix the sliding column 61 at the other end of the arc-shaped through hole 31.

Owing to adopted above-mentioned technical scheme, a ring 2, supplementary ring 3 and reset ring and the cooperation of part are put through setting up the card to a shaft sleeve, have made it to realize that the axle sleeve is fixed at epaxial card, the utility model discloses simple structure, simple to operate has effectually solved the axle sleeve and has installed in the fixed spacing problem after epaxial.

It is to be understood that the above examples are merely illustrative for clarity of description and are not limiting on the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.

Claims

1. The utility model provides a shaft sleeve, includes cylindric shaft sleeve body (1), the inner wall of shaft sleeve body (1) is equipped with bar logical groove (11), its characterized in that: the shaft sleeve comprises a shaft sleeve body (1), wherein a clamping ring (2), an auxiliary ring (3) and a limiting ring (4) are sequentially arranged on one side of the shaft sleeve body (1) from near to far, a reset spring (5) is arranged between the clamping ring (2) and the shaft sleeve body (1), the clamping ring (2) and the auxiliary ring (3) are fixedly connected with the shaft sleeve body (1) through screws, one end, close to the shaft sleeve body (1), of the clamping ring (2) is provided with an annular protrusion a (21), the other end of the clamping ring is provided with arc clamping strips (22) which are uniformly distributed, arc through holes (31) matched with the arc clamping strips (22) are formed in the auxiliary ring (3), annular protrusions b (41) fixedly connected with the shaft sleeve body (1) are formed in the edge of one end, close to the shaft sleeve body (1), of the limiting ring (4) is provided with uniformly distributed placing grooves (42), bar-shaped clamping pieces (6) are arranged in the placing grooves (42), sliding columns matched with the arc through holes (31) are arranged at one ends, of the (61).

2. A sleeve according to claim 1, wherein: the periphery of the annular bulge b (41) is provided with symmetrically distributed U-shaped pull-down through holes (43) and uniformly distributed strip-shaped fixing through holes (44).

3. A sleeve according to claim 2, wherein: the periphery of the clamping ring (2) is provided with a pull-down blind hole (23) corresponding to the position of the U-shaped pull-down through hole (43).

4. A sleeve according to claim 1, wherein: the two ends of the arc-shaped clamping strip (22) are provided with limiting notches (24) matched with the sliding columns (61).

5. A sleeve according to claim 1, wherein: the inner walls of the clamping ring (2) and the auxiliary ring (3) are provided with through groove gaps (25) matched with the strip-shaped through grooves (11), and the limiting ring (4) is provided with fan-shaped gaps (45) matched with the strip-shaped through grooves (11).

6. A sleeve according to claim 1, wherein: the inner wall of one end of the shaft sleeve body (1) close to the clamping ring (2) is provided with an annular gap a (12) for the sliding of the annular protrusion a (21), and the periphery of the end is provided with an annular gap b (13) for the sleeving of the annular protrusion.

7. A sleeve according to claim 1, wherein: the diameter of the clamping ring (2) and the diameter of the auxiliary ring are smaller than that of the limiting ring (4).