CN211175019U

CN211175019U - High-hardness oil-free copper bush

Info

Publication number: CN211175019U
Application number: CN201922126512.3U
Authority: CN
Inventors: 杨尚霖
Original assignee: Dalian Fenglong Machinery Manufacturing Co ltd
Current assignee: Dalian Fenglong Machinery Manufacturing Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-04
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a high-hardness oil-free copper sleeve, which comprises an outer layer, an inner layer and a flange plate, wherein the outer wall of the outer layer is uniformly provided with a plurality of first through holes, both sides of the inner wall of the outer layer are provided with square clamping grooves, one ends of the two square clamping grooves are respectively connected with both sides of the inner layer in a clamping way through square clamping blocks, the outer wall of the inner layer is uniformly provided with a plurality of second through holes, the positions of the second through holes and the positions of the first through holes are arranged in a one-to-one correspondence way, one side of the inner wall of the two square clamping grooves is provided with three grooves, six arc clamping blocks are respectively connected with one side of the two square clamping blocks in a clamping way, the bottom of the outer layer is connected with the middle part of the top end of the flange plate through a T-shaped through groove in a threaded way, and four corners of the top end of the flange plate, the inner layer is made of copper alloy, so that the hardness of the copper sleeve can be effectively improved.

Description

High-hardness oil-free copper bush

Technical Field

The utility model relates to a copper sheathing, in particular to high rigidity does not have oily copper sheathing.

Background

The copper sleeve is divided into a plurality of types, including a machine copper roller, a copper bearing and the like. Oil-lubricated bearings are used in various large and heavy machines and are important components of the machines. The copper bush, also called copper bush, is divided into various types, including machine copper roller, copper bearing, etc. The composite material is used for various light, large and heavy machines and is an important component on the machine. The product has the function of the traditional tin bronze bearing, takes electrolytic copper as a raw material and is matched with a plurality of trace metal elements, and is formed by high-temperature sintering and air pressure centrifugal casting processing. High hardness, excellent wear resistance, less seizing, good casting performance and cutting performance, and good corrosion resistance in atmosphere and fresh water. Under the condition of lacking lubricant and using water lubricant, it has good sliding property and self-lubricating property, easy cutting, poor casting property and good corrosion resistance to dilute sulphuric acid. The general purpose structural parts, the ships, the instruments and the like use simple-shape castings, such as sleeves, bushings, bearing bushes, sliders and the like.

The existing copper sleeve is mostly formed by integrally casting copper materials, but the copper quality is weak, so that the hardness of the existing copper sleeve is weak; the existing copper sleeve and the flange are fixedly connected, any part of the existing copper sleeve is damaged, the whole copper sleeve needs to be replaced, and the use cost of the copper sleeve is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high rigidity does not have oily copper sheathing to solve the current copper sheathing hardness weak problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-hardness oil-free copper bush comprises an outer layer, an inner layer and a flange plate, wherein a plurality of first through holes are uniformly formed in the outer wall of the outer layer, the two sides of the inner wall of the outer layer are both provided with square clamping grooves, one ends of the two square clamping grooves are respectively clamped and connected with the two sides of the inner layer through square clamping blocks, the outer wall of the inner layer is uniformly provided with a plurality of second through holes, the positions of the second through holes and the positions of the first through holes are arranged in a one-to-one correspondence manner, three grooves are respectively arranged on one side of the inner walls of the two square clamping grooves, one side of the inner walls of the six grooves is respectively fixedly connected with one ends of six arc-shaped clamping blocks through reset springs, the six arc-shaped clamping blocks are respectively connected with one sides of the two square clamping blocks through the arc-shaped clamping grooves in a clamping manner, the outer bottom is in threaded connection with the middle of the top end of the flange plate through the top of the T-shaped through groove, and mounting holes are formed in four corners of the top end of the flange plate.

As an optimized technical proposal of the utility model, the outer layer is made of high-strength alloy steel, and the inner layer is made of copper alloy.

As an optimal technical scheme of the utility model, outer wall is fixed and is equipped with the wearing layer, the wearing layer is made by epoxy.

As an optimized technical scheme of the utility model, the inner wall of inlayer is fixed and is equipped with the oil film.

As an optimized technical scheme of the utility model, the internal diameter size of inlayer leads to the internal diameter size phase-match of groove with T shape.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a high-hardness oil-free copper sleeve, which consists of an outer layer and an inner layer, wherein the outer layer is made of high-strength alloy steel, and the inner layer is made of copper alloy, thus effectively improving the hardness of the copper sleeve; the copper sleeve is in threaded connection with the flange plate, so that the copper sleeve is convenient to replace, and the use cost of the copper sleeve can be reduced.

Drawings

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

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

FIG. 3 is an enlarged view of the utility model at A;

fig. 4 is an enlarged view of the position B of the present invention.

In the figure: 1. an outer layer; 2. a first through hole; 3. an inner layer; 4. a second through hole; 5. a flange plate; 6. mounting holes; 7. a wear layer; 8. an oil film; 9. a T-shaped through slot; 10. a square clamping groove; 11. a groove; 12. a return spring; 13. an arc-shaped fixture block; 14. a square fixture block; 15. an arc-shaped clamping groove.

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. 1-4, the utility model provides a high hardness oil-free copper sleeve, which comprises an outer layer 1, an inner layer 3 and a flange 5, wherein the outer wall of the outer layer 1 is uniformly provided with a plurality of first through holes 2, both sides of the inner wall of the outer layer 1 are provided with square clamping grooves 10, one end of each of the two square clamping grooves 10 is respectively connected with both sides of the inner layer 3 through a square clamping block 14 in a clamping manner, the outer wall of the inner layer 3 is uniformly provided with a plurality of second through holes 4, the positions of the second through holes 4 are arranged in one-to-one correspondence with the positions of the first through holes 2, one side of the inner wall of each of the two square clamping grooves 10 is provided with three grooves 11, one side of the inner wall of each of the six grooves 11 is respectively fixedly connected with one end of each of the six arc-shaped clamping blocks 13 through a reset spring 12, each of the six arc-shaped clamping blocks 13 is respectively connected, mounting holes 6 are formed in four corners of the top end of the flange plate 5.

Preferably, the outer layer 1 is made of high-strength alloy steel, and the inner layer 3 is made of copper alloy, so that the strength of the copper sleeve can be effectively enhanced; the outer wall of the outer layer 1 is fixedly provided with a wear-resistant layer 7, and the wear-resistant layer 7 is made of epoxy resin, so that the wear resistance of the copper sleeve can be improved; an oil film 8 is fixedly arranged on the inner wall of the inner layer 3, so that the friction loss of the copper sleeve can be reduced; the inner diameter size of inlayer 3 and the inner diameter size phase-match of T shape logical groove 9 can improve the installation progress of copper sheathing.

When the copper sleeve is used, the high-hardness oil-free copper sleeve is characterized in that the inner layer 3 is clamped in the outer layer 1 through the square clamping blocks 14 and the square clamping grooves 10, the positions of the first through holes 2 and the second through holes 4 are arranged in a one-to-one correspondence manner, when the square clamping blocks 14 are clamped in the square clamping grooves 10, the arc-shaped clamping blocks 13 in the outer layer 1 are clamped and connected with the arc-shaped clamping grooves 15 on the square clamping blocks 14, so that the inner layer 3 is firmly fixed in the outer layer 1, the copper sleeve is composed of the outer layer 1 and the inner layer 3, the outer layer 1 is made of high-strength alloy steel, the inner layer 3 is made of copper alloy, the hardness of the copper sleeve can be effectively improved, after the outer layer 1 and the inner layer 3 of the copper sleeve are combined, the outer layer 1 is in threaded connection with the T-shaped through grooves 9 on the flange 5, the copper sleeve can be conveniently replaced, the use cost of the, the mounting operation can be performed through the mounting hole 6.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 high rigidity does not have oily copper sheathing, includes skin (1), inlayer (3) and flange dish (5), its characterized in that, a plurality of first through-holes (2) have evenly been seted up to the outer wall of skin (1), square clamping groove (10), two have all been seted up to the both sides of skin (1) inner wall the one end of square clamping groove (10) is connected through the both sides block of square fixture block (14) with inlayer (3) respectively, a plurality of second through-holes (4) have evenly been seted up to the outer wall of inlayer (3), and the position one-to-one setting of the position of second through-hole (4) and first through-hole (2), two three recess (11), six have all been seted up to one side of square clamping groove (10) inner wall one side of recess (11) inner wall is respectively through reset spring (12) and the one end fixed connection of six arc fixture blocks (13), six arc fixture block (13) are respectively through arc clamping groove (15) and one side block (14) of two The connection, the top that the bottom of skin (1) passes through T shape through groove (9) is connected with the middle part threaded connection on ring flange (5) top, mounting hole (6) have all been seted up to four corners on ring flange (5) top.

2. The high-hardness oil-free copper bush according to claim 1, characterized in that: the outer layer (1) is made of high-strength alloy steel, and the inner layer (3) is made of copper alloy.

3. The high-hardness oil-free copper bush according to claim 1, characterized in that: the outer wall of the outer layer (1) is fixedly provided with a wear-resistant layer (7), and the wear-resistant layer (7) is made of epoxy resin.

4. The high-hardness oil-free copper bush according to claim 1, characterized in that: an oil film (8) is fixedly arranged on the inner wall of the inner layer (3).

5. The high-hardness oil-free copper bush according to claim 1, characterized in that: the inner diameter of the inner layer (3) is matched with that of the T-shaped through groove (9).