CN220726870U

CN220726870U - Flange bushing

Info

Publication number: CN220726870U
Application number: CN202322554423.5U
Authority: CN
Inventors: 宋琛; 季禄顺
Original assignee: Long Island High Energy Polyurethane Co ltd
Current assignee: Long Island High Energy Polyurethane Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-04-05
Anticipated expiration: 2033-09-20

Abstract

The application discloses flange bush relates to the technical field of bush, and it includes the bush main part, the bush main part includes cover body portion and flange portion, flange portion includes two arc pieces of mutually concatenation, the one end of arc piece is integrative to be provided with first lug, the other end of arc piece set up with the first recess of first lug adaptation, the cover body portion includes two semi-ring pieces of mutually concatenation, semi-ring piece one end is equipped with the second lug, and the other end is equipped with the second recess with the second lug adaptation, the bush main part is including the fixing bolt that is used for fixed cover body portion and flange portion. The application has the effect of being convenient for the bush to change.

Description

Flange bushing

Technical Field

The application relates to the technical field of bushings, in particular to a flange bushing.

Background

The bushing is a matched set for sealing, wear protection and the like of mechanical parts, and is a ring sleeve serving as a gasket.

When mechanical equipment is in operation, the shaft rotates at a high speed, so that the stability of the shaft is improved, abrasion caused by friction and heat generation of the shaft is avoided, and the shaft is usually protected by fixing a bushing on the outer side of the shaft, so that the service life of the shaft is prolonged. The abrasion phenomenon easily occurs in the use process of the product, the cost of parts to be replaced after abrasion is relatively high and the replacement is troublesome, and the abrasion to the parts of the product can be reduced by the lining after the lining is used, the processing is convenient, the replacement cost is low, so the lining is widely used

For the related art, after the bushing is installed on the shaft and worn, the bushing needs to be replaced in time, but the bushing in the prior art is usually in an integrated structure, and the replacement is troublesome.

Disclosure of Invention

To facilitate replacement of the liner, the present application provides a flanged liner.

The flange bushing provided by the application adopts the following technical scheme:

the utility model provides a flange bush, includes the bush main part, the bush main part includes cover body portion and flange portion, flange portion includes two arc pieces of mutually concatenation, the one end an organic whole of arc piece is provided with first lug, the other end of arc piece is offered and is first recess with first lug adaptation, the cover body portion includes two semi-ring pieces of mutually concatenation, semi-ring piece one end is equipped with the second lug, and the other end is equipped with the second recess with the second lug adaptation, the bush main part is including the fixing bolt who is used for fixed cover body portion and flange portion.

Through adopting above-mentioned technical scheme, cover body portion and flange portion constitute the bush main part jointly, when using this bush outside the axle, at first need overlap two arc pieces outside the axle and splice together, make two first lugs insert respectively in two first recesses, cover body portion just cladding outside the axle this moment, then cover two semi-ring pieces outside the axle and make the second lug insert in the second recess with the cover body portion, and fix the cover body portion after will splice together with the bush portion through fixing bolt and realize the installation, dismantle and need unscrew fixing bolt earlier and tear half-ring piece and arc piece down in proper order, need not to pull down other parts of axle or axle side and change the bush, thereby the purpose of being convenient for the bush change has been reached.

Optionally, the arc piece splice and two semi-ring piece splice are crisscross to be set up.

Through adopting above-mentioned technical scheme, the position that two arc piece both ends splice each other staggers with the position that two semi-ring pieces splice each other, can increase the structural stability of the bush body after the concatenation to increase the fastening degree of bush installation.

Optionally, the arc-shaped block is fixedly provided with an arc-shaped limiting block for limiting the semi-ring block, and the semi-ring block is provided with a limiting groove matched with the limiting block.

Through adopting above-mentioned technical scheme, set up the stopper and carry out spacingly to semi-annular piece on flange portion, can carry out spacingly when installing semi-annular piece after installing flange portion to the stopper embedding is in the spacing groove of semi-annular piece, thereby makes bush structural connection more stable.

Optionally, an elastic strip propped against the semi-ring block is arranged in the limiting block.

Through adopting above-mentioned technical scheme, set up the friction between half ring piece and the stopper can be increased to the elastic strip to make the structural connection of bush more fastening.

Optionally, the fixing bolt passes through the limiting block, the half ring block and the second protruding block of the other half ring block at the same time.

Through adopting above-mentioned technical scheme, fixing bolt can be followed the side and support into the screw hole of seting up on the stopper and support into half ring piece, passes the second lug of half ring piece simultaneously to realize the quick fixed of cover body portion and flange portion.

Optionally, the bottom of the semi-ring block is provided with a third bump, and the top of the arc-shaped block is provided with a third groove.

Through adopting above-mentioned technical scheme, set up third lug and third recess and can increase the connection between half ring piece and the arc piece, can be convenient for fix a position when installing half ring piece simultaneously to further increase the structural stability of bush and easy to assemble.

Optionally, a rubber layer is filled in the semi-ring block.

Through adopting above-mentioned technical scheme, set up the compressive property that the rubber layer can increase the bush body in the semi-annular piece, make its deformation when receiving great external force diminish to improve the protection effect of bush.

Optionally, polytetrafluoroethylene coatings are arranged on the surfaces of the bushing main bodies.

Through adopting above-mentioned technical scheme, the bush main part surface is equipped with polytetrafluoroethylene coating and can increases the corrosion resistance of bush to increase the life of bush, reduce and change the frequency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. firstly, two arc-shaped blocks are sleeved outside a shaft and spliced together, so that two first protruding blocks are inserted into two first grooves respectively, at the moment, the sleeve body part is just coated outside the shaft, then, two half ring blocks are sleeved outside the shaft and the second protruding blocks are inserted into second grooves by attaching the sleeve body part, the spliced sleeve body part and the sleeve body part are fixed together through fixing bolts to realize installation, the half ring blocks and the arc-shaped blocks can be sequentially detached by unscrewing the fixing bolts firstly, and the sleeve is replaced without detaching other parts beside the shaft or the shaft, so that the aim of facilitating replacement of the sleeve is fulfilled;

2. the limiting block is arranged on the flange part to limit the semi-ring block, the limiting block can be used for limiting when the semi-ring block is installed after the flange part is installed, and the limiting block is embedded into the limiting groove of the semi-ring block, so that the bushing structure connection is more stable;

3. the polytetrafluoroethylene coating is arranged on the surface of the bushing main body, so that the corrosion resistance of the bushing can be improved, the service life of the bushing is prolonged, and the replacement frequency is reduced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a cross-sectional view of an extruded semi-annular block layer structure according to an embodiment of the present application.

Fig. 3 is a schematic diagram of an exploded structure of an embodiment of the present application.

Reference numerals illustrate:

1. a bushing body; 11. an arc-shaped block; 111. a first bump; 112. a first groove; 12. a semi-ring block; 13. a second bump; 131. a second groove; 132. a rubber layer; 14. a limiting block; 141. a limit groove; 142. an elastic strip; 15. a third bump; 151. a third groove; 16. a polytetrafluoroethylene coating; 2. and (5) fixing bolts.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a flange bushing.

Referring to fig. 1, a flange bushing includes a bushing body 1, the bushing body 1 includes a sleeve body portion and a flange portion, the sleeve body portion is a cylindrical sleeve sleeved outside a shaft, the inner diameter of the sleeve body portion is adapted to the shaft, the flange portion has the same inner diameter as the sleeve body portion, the outer diameter of the sleeve body portion is larger than the collar of the sleeve body portion, the bushing body 1 further includes a fixing bolt 2 for fixing the sleeve body portion and the flange portion, the fixing bolt 2 connects the sleeve body portion and the flange portion together to form a main body, and the main body is sleeved outside the shaft, so that protection of the shaft is achieved.

Referring to fig. 1 and 2, the surface of the bushing main body 1 is provided with a polytetrafluoroethylene coating 16, and the corrosion resistance of the bushing can be improved by the polytetrafluoroethylene coating 16 on the surface of the bushing main body 1, so that the service life of the bushing is prolonged, and the frequency of replacing the bushing is reduced.

Referring to fig. 1 and 2, the sleeve body portion includes two semi-ring blocks 12 spliced with each other, two semi-ring blocks 12 are the same, one end of the semi-ring block 12 is integrally connected with a second protruding block 13, a second groove 131 matched with the second protruding block 13 is formed in the other end of the semi-ring block 12, the extending length of the second protruding block 13 is the same as that of the semi-ring block 12, during installation, the second protruding blocks 13 on two semi-ring blocks 12 are inserted into the second groove 131 of the other semi-ring block 12, a rubber layer 132 is filled in the semi-ring block 12, and the rubber layer 132 is arranged in the semi-ring block 12, so that the compression resistance of the bushing body can be increased, the deformation of the bushing body when the bushing body is subjected to larger external force is reduced, and the protection effect of the bushing is improved.

Referring to fig. 3, the flange portion includes two arc blocks 11 spliced with each other, one end of each arc block 11 is integrally provided with a first bump 111, the other end of each arc block 11 is provided with a first groove 112 adapted to the first bump 111, and when the flange portion is installed, the first bumps 111 on the two arc blocks 11 are inserted into the first grooves 112 of the other arc block 11, so that a circular ring is spliced and sleeved outside the shaft.

Referring to fig. 3, the splicing positions of the two arc blocks 11 and the splicing positions of the two half ring blocks 12 are staggered, and the positions of the two ends of the two arc blocks 11 and the positions of the two half ring blocks 12 are staggered, so that the structural stability of the spliced bushing body can be improved, and the fastening degree of bushing installation is improved.

Referring to fig. 3, the bottom of the semi-ring block 12 is provided with a third bump 15, the top of the arc block 11 is provided with a third groove 151, the third bump 15 needs to be inserted into the third groove 151 during installation, and the third bump 15 and the third groove 151 are arranged to increase the connection between the semi-ring block 12 and the arc block 11, and meanwhile, the positioning is performed during the installation of the semi-ring block 12, so that the structural stability of the bushing is further increased, and the installation is convenient.

Referring to fig. 3, the arc-shaped block 11 is fixedly provided with an arc-shaped limiting block 14 for limiting the semi-ring block 12, the semi-ring block 12 is provided with a limiting groove 141 adapted to the limiting block 14, the limiting block 14 can be embedded in the limiting groove 141 during installation, an elastic strip 142 propped against the semi-ring block 12 is arranged in the limiting block 14, after the flange part is installed, the limiting block 14 can be used for limiting the semi-ring block 12 during installation, and the limiting block 14 is embedded in the limiting groove 141 of the semi-ring block 12, so that the bushing connection structure is more stable, and the friction between the semi-ring block 12 and the limiting block 14 can be increased due to the elastic strip 142 arranged in the limiting groove 141, so that the structural connection of the bushing is more fastened.

Referring to fig. 3, the fixing bolt 2 passes through the limiting block 14, the half ring block 12 and the second bump 13 of the half ring block 12, and the limiting holes matched with the fixing bolt 2 are formed in the fixing bolt 2, so that the fixing bolt 2 can be abutted into the threaded holes formed in the limiting block 14 from the side and abutted into the half ring block 12, and passes through the second bump 13 of the half ring block 12, thereby realizing rapid fixation of the sleeve body and the flange.

The implementation principle of the flange bushing in the embodiment of the application is as follows: firstly, two arc-shaped blocks 11 are required to be sleeved outside a shaft and spliced together, two first protruding blocks 111 are respectively inserted into two first grooves 112, at the moment, the sleeve body is just coated outside the shaft, then the half ring block 12 is inserted into a limiting block 14, the limiting block 14 is matched with a limiting groove 141, a third protruding block 15 is inserted into a third groove 151, after the second protruding block 13 and the second groove 131 of the other half ring block 12 are aligned with the second groove 131 and the second protruding block 13 of the already installed half ring block 12, a fixing bolt 2 is finally screwed into a bolt hole to complete the installation, and the half ring block 12 and the arc-shaped blocks 11 can be detached in sequence by unscrewing the fixing bolt 2, namely, the sleeve is replaced without detaching other parts beside the shaft or the shaft, so that the aim of facilitating the replacement of the sleeve is achieved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A flanged bushing, characterized by: including bush main part (1), bush main part (1) includes cover body portion and flange portion, flange portion includes two arc piece (11) of mutually concatenation, the one end of arc piece (11) is integrative to be provided with first lug (111), the other end of arc piece (11) set up with first recess (112) of first lug (111) adaptation, the cover body portion includes two semi-annular piece (12) of mutually concatenation, semi-annular piece (12) one end is equipped with second lug (13), and the other end is equipped with second recess (131) of second lug (13) adaptation, bush main part (1) are including fixing bolt (2) that are used for fixed cover body portion and flange portion.

2. A flanged bushing according to claim 1, wherein: the joint of the arc-shaped blocks (11) and the joint of the two semi-ring blocks (12) are staggered.

3. A flanged bushing according to claim 2, wherein: arc-shaped limiting blocks (14) for limiting the semi-ring blocks (12) are fixedly arranged on the arc-shaped blocks (11), and limiting grooves (141) matched with the limiting blocks (14) are formed in the semi-ring blocks (12).

4. A flanged bushing according to claim 3, wherein: elastic strips (142) which are propped against the semi-ring blocks (12) are arranged in the limiting blocks (14).

5. A flanged bushing according to claim 4, wherein: the fixing bolt (2) simultaneously passes through the limiting block (14), the half ring block (12) and the second protruding block (13) of the other half ring block (12).

6. A flanged bushing according to claim 1, wherein: the bottom end of the semi-ring block (12) is provided with a third bump (15), and the top end of the arc-shaped block (11) is provided with a third groove (151).

7. A flanged bushing according to claim 1, wherein: the semi-ring block (12) is internally filled with a rubber layer (132).

8. A flanged bushing according to claim 1, wherein: and polytetrafluoroethylene coatings (16) are arranged on the surfaces of the bushing main bodies (1).