CN210265511U

CN210265511U - Bimetal composite bushing

Info

Publication number: CN210265511U
Application number: CN201920958415.8U
Authority: CN
Inventors: 陈文引
Original assignee: Dafeng Bright Moon Bearing Co ltd
Current assignee: Dafeng Bright Moon Bearing Co ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-04-07
Anticipated expiration: 2029-06-25

Abstract

The utility model relates to a composite bushing technical field just discloses a bimetal composite bushing, including the outer bush, the equal fixed mounting in upper and lower both sides of outer bush surface has the restriction piece, the inside fixed mounting of restriction piece has the rubber sleeve. This bimetal composite bush, inject rubber sleeve and pressure cover through the restriction piece, avoid producing the skew from top to bottom, after pressing the rubber sleeve that the cover pressed in the restriction piece, utilize the effort between fixing bolt and the fixation nut, make the inside wear-resisting lug of neck bush inseparabler with be connected the metallic interconnect, and make the neck bush wear-resisting more through wear-resisting lug, can effectually reduce and the friction between the metal, inject fixing bolt through the fixed port, avoid it to produce the skew, make the connection between fixing bolt and the fixation nut more stable through the flat packing ring, avoid fixation nut not hard up, guaranteed wear-resisting lug and be connected metallic interconnect's more stable, the difficult not hard up purpose of having reached.

Description

Bimetal composite bushing

Technical Field

The utility model relates to a composite bushing technical field specifically is a bimetal composite bushing.

Background

When mechanical equipment runs, the shaft rotates at a high speed, in order to improve the stability of the shaft and avoid the abrasion of the shaft caused by friction heat generation and prolong the service life of the shaft, a bushing is fixed on the outer side of the shaft to protect the shaft, and the bushing is a part commonly used in the field of industrial equipment at present and used for preventing the shaft from being abraded.

The bimetal composite bushing on the market at present is various, but generally has the shortcoming of easy looseness, and current bimetal composite bushing can produce great wearing and tearing along with the lengthening of live time, consequently takes place to become flexible when using with the metal cooperation to reduce the life of bush, influenced the progress of mill machinery during operation, so propose a bimetal composite bushing and solve above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a bimetal composite bushing possesses advantages such as difficult not hard up, has solved the easy not hard up shortcoming of ubiquitous existence, and current bimetal composite bushing can produce great wearing and tearing along with live time's lengthening, consequently takes place easily not hard up when using with the metal cooperation to reduce the service life of bush, influenced the problem of the progress of mill's mechanical work.

(II) technical scheme

In order to realize the purpose of the difficult not hard up, the utility model provides a following technical scheme: a bimetal composite bushing comprises an outer bushing, wherein limiting blocks are fixedly mounted on the upper side and the lower side of the outer surface of the outer bushing, a rubber sleeve is fixedly mounted inside the limiting blocks, a pressing sleeve is fixedly mounted on the outer surface of the rubber sleeve, two pressing plates are fixedly mounted on the right side of the pressing sleeve, a fixing port is formed in one side, opposite to the two pressing plates, of each pressing plate, a fixing bolt is movably mounted in the front of each pressing plate and located in the fixing port, a flat washer is fixedly mounted on the outer surface of each fixing bolt and located on the back of each rear pressing plate, a fixing nut is movably mounted on the back of each flat washer and located on the outer surface of each fixing bolt, oil injection ports are formed in the front and the back of the outer bushing, an inner bushing is fixedly mounted inside the outer bushing, a wear-resistant convex block is fixedly mounted inside the inner bushing, and a rubber block is fixedly, the opening has been seted up in the left side of outer bush, logical groove has been seted up in the left side of neck bush, the right side wall fixed mounting who leads to the inslot inner chamber has the screw cap, the inside movable mounting of screw cap has the threaded rod, the threaded rod is kept away from and is located the one end of screw cap and is located the left side fixed mounting of outer bush and has the rotor.

Preferably, the two limiting blocks are symmetrically distributed on the upper side and the lower side of the central axis of the outer bushing, and the size of the rubber sleeve is matched with that of the limiting blocks.

Preferably, the size of the pressing sleeve is matched with that of the rubber sleeve, and the pressing plates are symmetrically distributed on the front side and the rear side of the central axis of the outer bushing.

Preferably, the number of the pressure plates is four, and the size of the fixing bolt is matched with the size of the fixing port, the size of the flat washer and the size of the fixing nut respectively.

Preferably, the number of the wear-resistant lugs is not less than two and is uniformly distributed in the inner bushing, and the number of the rubber blocks is not less than two and is uniformly distributed on the outer surface of the outer bushing.

Preferably, the inner diameters of the through opening and the through groove are equal, and the left side of the rotating piece is provided with the rotating groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a bimetal composite bushing possesses following beneficial effect:

1. this bimetal composite bush, inject rubber sleeve and pressure cover through the restriction piece, avoid producing the skew from top to bottom, after pressing the rubber sleeve that the cover pressed in the restriction piece, utilize the effort between fixing bolt and the fixation nut, make the inside wear-resisting lug of neck bush inseparabler with be connected the metallic interconnect, and make the neck bush wear-resisting more through wear-resisting lug, can effectually reduce and the friction between the metal, inject fixing bolt through the fixed port, avoid it to produce the skew, make the connection between fixing bolt and the fixation nut more stable through the flat packing ring, avoid fixation nut not hard up, guaranteed wear-resisting lug and be connected metallic interconnect's more stable, the difficult not hard up purpose of having reached.

2. This bimetal composite bushing, pour into lubricating oil into to the contact surface of bush and metal through the oiling mouth, reduce the frictional force of bush and metal, make for rubber through the rubber sleeve, its frictional force is great, it and limiting block interact, make the pressure cover fixed more stable, through the rubber block, make the reinforcing of bush surface friction, play braking effect, the phenomenon that becomes flexible appears when preventing to cooperate with the metal, drive the threaded rod at the screw cap internal rotation through the rotor, make the connection of outer bush and neck bush more stable, thereby reached difficult not flexible purpose.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the screw cap of the present invention.

In the figure: the anti-abrasion anti.

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.

Referring to fig. 1-2, a bimetal composite bushing comprises an outer bushing 1, wherein the upper side and the lower side of the outer surface of the outer bushing 1 are fixedly provided with limiting blocks 2, the two limiting blocks 2 are symmetrically distributed on the upper side and the lower side of the central axis of the outer bushing 1, the size of a rubber sleeve 3 is matched with the size of the limiting blocks 2, the rubber sleeve 3 and a pressing sleeve 4 are limited by the limiting blocks 2, the upper side and the lower side of the rubber sleeve are prevented from shifting, after the pressing sleeve 4 is pressed on the rubber sleeve 3 in the limiting blocks 2, the abrasion-resistant lug 12 in the inner bushing 11 is more tightly connected with connecting metal by using the acting force between a fixing bolt 7 and a fixing nut 9, the inner bushing 11 is more abrasion-resistant by the abrasion-resistant lug 12, the friction between the inner bushing and the metal can be effectively reduced, the fixing bolt 7 is limited by a fixing port 6, the shifting is prevented, the connection between the fixing bolt 7 and the fixing nut 9 is more stable, the fixed nut 9 is prevented from loosening, the connection between the wear-resistant convex block 12 and the connecting metal is more stable, the purpose of difficult loosening is achieved, the rubber sleeve 3 is fixedly arranged inside the limiting block 2, the pressing sleeve 4 is fixedly arranged on the outer surface of the rubber sleeve 3, the size of the pressing sleeve 4 is matched with that of the rubber sleeve 3, the pressing plates 5 on the front side and the rear side are symmetrically distributed on the front side and the rear side of the central axis of the outer bushing 1, two pressing plates 5 are fixedly arranged on the right side of the pressing sleeve 4, the fixing ports 6 are respectively arranged on the opposite sides of the two pressing plates 5, the number of the pressing plates 5 is four, the size of the fixing bolt 7 is respectively matched with the size of the fixing port 6, the flat washer 8 and the fixing nut 9, the fixing bolt 7 is movably arranged in the front side of the front side pressing plate 5 and positioned in the fixing port 6, the flat washer 8 is fixedly arranged, the flat gasket 8 is usually a thin part with various shapes and used for reducing friction, preventing leakage, isolating, preventing loosening and dispersing pressure, and is provided with a plurality of materials and structures and used for fulfilling various similar effects, a fixing nut 9 is movably arranged on the back surface of the flat gasket 8 and positioned on the outer surface of a fixing bolt 7, oil injection ports 10 are respectively arranged on the front surface and the back surface of the outer bushing 1, lubricating oil is injected into the contact surface of the bushing and metal through the oil injection ports 10 to reduce the friction force between the bushing and the metal, the rubber sleeve 3 is made of rubber, the friction force is larger, the rubber sleeve interacts with the limiting block 2 to ensure that the pressing sleeve 4 is more stably fixed, the friction force on the outer surface of the bushing is enhanced through the rubber block 13 to play a braking effect and prevent loosening phenomenon when being matched with the metal, the threaded rod 17 is driven to rotate in the threaded cap 16 through the rotary piece 18 to ensure that the connection between the outer bushing 1 and the inner bushing 11 is more stable, thereby the difficult not hard up purpose has been reached, the inside fixed mounting of outer liner 1 has interior bush 11, the inside fixed mounting of interior bush 11 has wear-resisting lug 12, the quantity of wear-resisting lug 12 is not less than two, and evenly distributed is in the inside of interior bush 11, the quantity of block rubber 13 is not less than two, and evenly distributed is at the surface of outer liner 1, the fixed surface of outer liner 1 installs block rubber 13, opening 14 has been seted up on the left side of outer liner 1, logical groove 15 has been seted up on the left side of interior bush 11, opening 14 equals with the internal diameter that leads to groove 15, the turn round slot has been seted up on the left side of turn round piece 18, the right side wall fixed mounting who leads to the groove 15 inner chamber has screw cap 16, the inside movable mounting of screw cap 16 has threaded rod 17, threaded rod 17 keeps away from and is located screw cap 16 one end and is located.

When the connecting structure is used, the wear-resistant lug 12 inside the inner bushing 11 is connected with connecting metal more tightly through acting force between the fixing bolt 7 and the fixing nut 9, the inner bushing 11 is more wear-resistant through the wear-resistant lug 12, and friction between the metal and the inner bushing can be effectively reduced.

In conclusion, according to the bimetal composite bushing, the rubber sleeve 3 and the pressing sleeve 4 are limited through the limiting block 2, so that the upper part and the lower part of the rubber sleeve are prevented from being deviated, after the pressing sleeve 4 is pressed on the rubber sleeve 3 in the limiting block 2, the abrasion-resistant lug 12 in the inner bushing 11 is connected with the connecting metal more tightly by utilizing the acting force between the fixing bolt 7 and the fixing nut 9, the inner bushing 11 is more abrasion-resistant by virtue of the abrasion-resistant lug 12, the friction between the inner bushing and the metal can be effectively reduced, the fixing bolt 7 is limited through the fixing port 6 so as to be prevented from being deviated, the connection between the fixing bolt 7 and the fixing nut 9 is more stable by virtue of the flat washer 8, the fixing nut 9 is prevented from being loosened, the connection between the abrasion-resistant lug 12 and the connecting metal is ensured to be more stable, and the purpose.

Lubricating oil is injected into the contact surface of the bush and the metal through the oil injection port 10 to reduce the friction force between the bush and the metal, the rubber sleeve 3 is made of rubber, the friction force is larger, the pressure sleeve 4 is more stably fixed by the interaction of the friction force and the limiting block 2, the rubber block 13 enhances the friction force on the outer surface of the bushing, plays a role in braking, prevents the looseness phenomenon when being matched with metal, the rotating piece 18 drives the threaded rod 17 to rotate in the threaded cap 16, so that the connection between the outer bushing 1 and the inner bushing 11 is more stable, thereby achieving the purpose of difficult loosening, solving the defect of easy loosening in general, the existing bimetal composite bushing can generate larger abrasion along with the lengthening of the service time, therefore, the lining is easy to loosen when being matched with metal for use, thereby reducing the service life of the lining and influencing the progress of mechanical work of a factory.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. A bimetal composite bushing comprising an outer bushing (1), characterized in that: the upper side and the lower side of the outer surface of the outer bushing (1) are fixedly provided with limiting blocks (2), the inner part of each limiting block (2) is fixedly provided with a rubber sleeve (3), the outer surface of each rubber sleeve (3) is fixedly provided with a pressing sleeve (4), the right side of each pressing sleeve (4) is fixedly provided with two pressing plates (5), one side of each pressing plate (5) opposite to the other side is provided with a fixing port (6), the front side of each pressing plate (5) is provided with a fixing bolt (7) in the front and positioned at the fixing port (6), the outer surface of each fixing bolt (7) is fixedly provided with a flat washer (8) in the back side of each rear side pressing plate (5), the back side of each flat washer (8) is movably provided with a fixing nut (9) in the outer surface positioned at the fixing bolt (7), and the front side and the back side of the outer bushing (1) are provided with, the utility model discloses a wear-resisting lining for the automobile seat, including outer bush (1), inner bush (11), wear-resisting lug (12) have been installed to the inside fixed mounting of inner bush (11), the outer fixed surface of outer bush (1) installs block rubber (13), opening (14) have been seted up in the left side of outer bush (1), logical groove (15) have been seted up in the left side of inner bush (11), the right side wall fixed mounting who leads to groove (15) inner chamber has screw cap (16), the inside movable mounting of screw cap (16) has threaded rod (17), the left side fixed mounting who just is located screw cap (16) and is located outer bush (1) is kept away from and threaded rod (17) has rotor (18).

2. The bimetallic composite bushing of claim 1, wherein: the two limiting blocks (2) are symmetrically distributed on the upper side and the lower side of the central axis of the outer bushing (1), and the size of the rubber sleeve (3) is matched with that of the limiting blocks (2).

3. The bimetallic composite bushing of claim 1, wherein: the size of the pressing sleeve (4) is matched with that of the rubber sleeve (3), and the pressing plates (5) are symmetrically distributed on the front side and the rear side of the central axis of the outer bushing (1).

4. The bimetallic composite bushing of claim 1, wherein: the number of the pressing plates (5) is four, and the size of the fixing bolt (7) is matched with that of the fixing port (6), the flat washer (8) and the fixing nut (9) respectively.

5. The bimetallic composite bushing of claim 1, wherein: the number of the wear-resistant lugs (12) is not less than two, and the wear-resistant lugs are uniformly distributed in the inner lining (11), and the number of the rubber blocks (13) is not less than two, and the wear-resistant lugs are uniformly distributed on the outer surface of the outer lining (1).

6. The bimetallic composite bushing of claim 1, wherein: the inner diameters of the through opening (14) and the through groove (15) are equal, and the left side of the rotating piece (18) is provided with a rotating groove.