CN212225811U

CN212225811U - Self-adaptation bush convenient to dismouting

Info

Publication number: CN212225811U
Application number: CN202020899630.8U
Authority: CN
Inventors: 陈海斌
Original assignee: Zhuji Hengqiang Machinery Co ltd
Current assignee: Zhuji Hengqiang Machinery Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-25
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a machine parts especially relates to a self-adaptation bush convenient to dismouting. The utility model provides a self-adaptation bush convenient to dismouting, including lining sleeve, lining sleeve includes inner peripheral surface and outer peripheral surface, be equipped with bellying in first interior bellying and the second on the inner peripheral surface, the area of bellying in first interior bellying is greater than the area of bellying in the second, be equipped with the outer bellying of first outer bellying and second on the outer peripheral surface, the area of first outer bellying is greater than the area of the outer bellying of second, bellying in first interior bellying, the second, the thickness of the outer bellying of first outer bellying and second is the same, the outer bellying of bellying and second can be dismantled with lining sleeve and be connected in the second. Can fill the produced gap of bush deformation through bellying in the second, the outer bellying of second, can guarantee the stability of bearing. The second inner convex portion and the second outer convex portion are high in installation flexibility. Be provided with the oil groove on first interior bellying and the first bellying, can reduce friction, increase of service life.

Description

Self-adaptation bush convenient to dismouting

Technical Field

The utility model belongs to machine parts especially relates to a self-adaptation bush convenient to dismouting.

Background

A bushing is a mechanical fitting mounted between a bearing and a mount. The bush can produce wearing and tearing and influence the precision of pivot installation, and then lead to the skew of bearing axis, influence mechanical precision. Meanwhile, the worn bushing is inconvenient to replace, and a self-adaptive bushing convenient to disassemble and assemble is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists to the aforesaid, thereby provide a can dismantle bellying and realize self-adaptation and the bush of the dismouting of being convenient for.

The purpose of the utility model is realized like this: the utility model provides a self-adaptation bush convenient to dismouting, including lining sleeve, lining sleeve includes inner peripheral surface and outer peripheral face, be equipped with bellying in first interior bellying and the second on the inner peripheral surface, the area of bellying in first interior bellying is greater than the area of bellying in the second, be equipped with the outer bellying of first outer bellying and second on the outer peripheral face, the area of first outer bellying is greater than the area of the outer bellying of second, bellying in first interior bellying, the bellying in the second, the thickness of the outer bellying of first outer bellying and second is the same, the outer bellying of bellying and second can be dismantled with lining sleeve and be connected in the second.

Through adopting above-mentioned technical scheme, bellying and the contact of bearing's outer lane in bellying in first and the second, its surface is arc with bearing inner race complex. The area of the first inner convex part arc surface is larger than that of the second inner convex part arc surface, so that the first inner convex part bears most of force applied by the bearing. The first outer protruding portion and the second outer protruding portion are in contact with the mounting seat, and the surfaces of the first outer protruding portion and the second outer protruding portion are arc-shaped and matched with the inner wall of the mounting seat. The area of the arc surface of the first outer convex part is larger than that of the arc surface of the second outer convex part. The second inner convex part and the second outer convex part are made of metal with stronger elasticity, such as spring steel. Bearing rotation temperature rise can lead to lining sleeve's inflation to produce deformation, and produce the gap between bearing and the mount pad, and the gap can be filled through the deformation of self to bellying in the second and the outer bellying of second, guarantees the stability of bearing installation, prevents the skew of bearing axis and the wearing and tearing of bush. Simultaneously protruding portion and the outer protruding portion of second can be dismantled with a bush section of thick bamboo and be connected, dismantle after long-time the use and change the convenience.

The utility model discloses further set up to: a first annular groove and a second annular groove which are coincident in axis are arranged on one end face of the sleeve, a first embedding portion embedded into the first annular groove is arranged on the second inner protruding portion, and a second embedding portion embedded into the second annular groove is arranged on the second outer protruding portion.

Through adopting above-mentioned technical scheme, second ring channel is located the outside of first ring channel. The second inner convex part is embedded into the first annular groove through the first embedded part, the second outer convex part is not embedded into the second annular groove through the second embedded part, the second inner convex part can slide on the first annular groove, the second outer convex part can slide on the second annular groove, the positions of the second inner convex part and the second outer convex part can be selected according to actual conditions, and the flexibility is high.

The utility model discloses further set up to: both ends on bellying and the outer bellying of second all are equipped with the flange in the second, are equipped with the fixed orifices on the flange, be equipped with on the terminal surface of lining sleeve with a plurality of fixed slots that can correspond with the fixed orifices, the fixed orifices passes through the fastener with the fixed orifices and is connected fixedly.

Through adopting above-mentioned technical scheme, the fastener is threaded fastener, and the fixed slot is the thread groove. The second inner convex part and the second outer convex part can be conveniently fixed on the lining sleeve through the threaded fastener, and the second inner convex part and the second outer convex part are also convenient to detach.

The utility model discloses further set up to: oil grooves are arranged on the first inner convex part and the first outer convex part.

Adopt above-mentioned technical scheme usually, the oil groove is seted up on the circular arc surface of first interior bellying and first outer bellying, can reduce the friction between first interior bellying and the bearing and the friction between first outer bellying and the mount pad through oil groove filling lubricating oil, prolongs the life of bush.

The utility model discloses further set up to: the depth of the oil groove is 1/4-1/3 of the thickness of the first inner and outer convex parts.

By adopting the technical scheme, the oil groove is not too shallow, so that the lubricating oil quantity is not enough, or the lubricating oil is too deep to cause the waste of the lubricating oil, and the cost is saved.

The utility model has the advantages that:

1. can fill the produced gap of bush deformation through bellying in the second, the outer bellying of second, can guarantee the stability of bearing.

2. The second inner convex part and the second outer convex part can be installed at different positions under a more practical condition, and the flexibility is high.

3. The second inner protruding portion and the second outer protruding portion are convenient to disassemble and assemble and convenient to replace.

4. Be provided with the oil groove on first interior bellying and the first bellying, can reduce friction, increase of service life.

Drawings

FIG. 1 is a schematic view of a bushing construction;

FIG. 2 is a schematic view of a second exterior protrusion;

FIG. 3 is a schematic view of a second inner lobe;

wherein the reference numerals are: 1. a liner sleeve; 11. a first annular groove; 12. a second annular groove; 13. fixing grooves; 2. a first inner boss; 3. a second inner boss; 31. a first embedding portion; 4. a first outer boss; 5. a second outer lobe; 51. a second insertion portion; 6. a flange; 61. a fixing hole; 7. an oil groove.

Detailed Description

In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:

the utility model provides a self-adaptation bush convenient to dismouting, including bushing sleeve 1, bushing sleeve 1 includes inner peripheral surface and outer peripheral face, be equipped with boss 3 in first interior boss 2 and the second on the inner peripheral surface, boss 3's area is greater than in the second in the first area of boss 2, be equipped with first outer boss 4 and the outer boss 5 of second on the outer peripheral face, boss 4's area is greater than the outer boss 5's of second area in the first, boss 2 in the first, boss 3 in the second, boss 4 is the same with the outer boss 5's of second thickness, boss 3 and the outer boss 5 of second can dismantle with bushing sleeve 1 and be connected in the second. The first inner convex part 2 and the second inner convex part 3 are contacted with the outer ring of the bearing, and the surfaces of the first inner convex part and the second inner convex part are in the shape of a circular arc matched with the outer ring of the bearing. The area of the arc surface of the first inner convex part 2 is larger than that of the arc surface of the second inner convex part 3, so that the first inner convex part bears most of the force applied by the bearing. The first outer convex part 4 and the second outer convex part 5 are contacted with the mounting seat, and the surfaces of the first outer convex part and the second outer convex part are arc-shaped and matched with the inner wall of the mounting seat. The area of the arc surface of the first outer convex portion 4 is larger than that of the arc surface of the second outer convex portion 5. The second inner convex portion 3 and the second outer convex portion 5 are made of metal with strong elasticity, such as spring steel. Bearing rotation temperature rise can lead to the inflation of lining sleeve 1 to produce deformation, and produce the gap between bearing and the mount pad, and protruding portion 3 and the outer protruding portion 5 of second can fill the gap through the deformation of self, guarantee the stability of bearing installation, prevent the skew of bearing axis and the wearing and tearing of bush. Meanwhile, the second inner protruding portion 3 and the second outer protruding portion 5 are detachably connected with the lining sleeve 1, and are convenient to detach and replace after long-time use.

A first annular groove 11 and a second annular groove 12 which are coincident in axial line are arranged on one end face of the sleeve, a first embedding part 31 which is embedded into the first annular groove 11 is arranged on the second inner convex part 3, and a second embedding part 51 which is embedded into the second annular groove 12 is arranged on the second outer convex part 5. The second annular groove 12 is located outside the first annular groove 11. The second inner convex part 3 is embedded into the first annular groove 11 through the first embedding part 31, the second outer convex part 5 is not embedded into the second annular groove 12 through the second embedding, the second inner convex part 3 can slide on the first annular groove 11, the second outer convex part 5 can slide on the second annular groove 12, the positions of the second inner convex part 3 and the second outer convex part 5 can be selected according to actual conditions, and the flexibility is high.

Both ends on bellying 3 in the second and the outer bellying 5 of second all are equipped with flange 6, are equipped with fixed orifices 61 on the flange 6, are equipped with on the terminal surface of a bush section of thick bamboo 1 with a plurality of fixed slots 13 that can correspond with fixed orifices 61, fixed orifices 61 passes through the fastener with fixed orifices 61 and is connected fixedly. The fastener is a threaded fastener and the securing groove 13 is a threaded groove. The second inner protrusion 3 and the second outer protrusion 5 can be easily fixed to the bushing sleeve 1 by means of threaded fasteners, and also easily removed.

Oil grooves 7 are arranged on the first inner convex part 2 and the first outer convex part 4. Oil groove 7 is seted up on the circular arc surface of first interior bellying 2 and first outer bellying 4, can fill lubricating oil through oil groove 7, reduces the friction between first interior bellying 2 and the bearing and the friction between first outer bellying 4 and the mount pad, prolongs the life of bush.

The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a self-adaptation bush convenient to dismouting, includes bush sleeve (1), its characterized in that, bush sleeve (1) includes inner peripheral surface and outer peripheral face, be equipped with boss (2) in first and second in boss (3) on the inner peripheral surface, the area of boss (2) in first is greater than the area of boss (3) in the second, be equipped with boss (4) and boss (5) outside the second on the outer peripheral face, the area of boss (4) outside first is greater than the area of boss (5) outside the second, boss (3) in first (2), the second, boss (4) outside first and the boss (5) outside the second are the same in thickness, boss (3) and the boss (5) outside the second can be dismantled with bush sleeve (1) and be connected.

2. The adaptive bushing convenient to disassemble and assemble according to claim 1, wherein a first annular groove (11) and a second annular groove (12) with coincident axes are arranged on one end face of the bushing sleeve (1), a first embedding part (31) embedded into the first annular groove (11) is arranged on the second inner convex part (3), and a second embedding part (51) embedded into the second annular groove (12) is arranged on the second outer convex part (5).

3. The adaptive bushing convenient to disassemble and assemble according to claim 2, wherein flanges (6) are arranged at two ends of the second inner protruding portion (3) and the second outer protruding portion (5), fixing holes (61) are arranged on the flanges (6), fixing grooves (13) corresponding to the fixing holes (61) are arranged on the end face of the bushing sleeve (1), and the fixing holes (61) are connected and fixed through fasteners.

4. The adaptive bushing for easy assembly and disassembly according to claim 1, wherein the first inner boss (2) and the first outer boss (4) are provided with oil grooves (7).

5. The adaptive bushing for easy assembly and disassembly as claimed in claim 4, wherein the depth of the oil groove (7) is 1/4-1/3 of the thickness of the first inner boss (2) and the first outer boss (4).