CN219176797U

CN219176797U - Detachable high-precision bushing

Info

Publication number: CN219176797U
Application number: CN202320118502.9U
Authority: CN
Inventors: 叶哈雷; 黄毅; 杨德才; 周常旺; 李宁
Original assignee: Jiangxi Dongfang Leopard Technology Co ltd
Current assignee: Jiangxi Dongfang Leopard Technology Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-06-13
Anticipated expiration: 2033-01-31

Abstract

The utility model discloses a detachable high-precision bushing, which relates to the technical field of bushings and comprises a main bushing, wherein the inner side of the main bushing is connected with a rotating shaft, the outer side of the main bushing is connected with a bearing, the right side of the main bushing is connected with a secondary bushing, the upper ends of the main bushing and the secondary bushing are respectively provided with an upper fixing component, clamping grooves are respectively formed in the upper ends of the main bushing and the secondary bushing, limiting rings are respectively arranged on the outer sides of the main bushing and the secondary bushing, the lower ends of the limiting rings are connected with a lower fixing component, the rotating shaft is arranged between a second base and a first base, and the second base is clamped into a second groove through a second protrusion, so that the second base and the first base can be spliced together, and the second base and the first base can be directly sleeved on the rotating shaft, thereby being convenient to splice the main bushing, the secondary bushing, the second base and the first base together, being more convenient to detach, greatly avoiding the complex procedures of firstly disassembling the machine and then replacing the bushing, and effectively saving the replacing time.

Description

Detachable high-precision bushing

Technical Field

The utility model relates to the technical field of bushings, in particular to a detachable high-precision bushing.

Background

In the moving parts, parts are worn out due to long-term friction, and parts must be replaced when the gap between the shaft and the hole is worn out to a certain extent, so that a shaft sleeve or a bushing with better wear resistance needs to be installed, the wear of the shaft and the seat can be reduced, and the cost for replacing the shaft or the seat can be saved when the shaft sleeve or the bushing is worn out to a certain extent.

At present, the utility model of patent number CN202023286219.2 discloses a detachable high-precision fastening bush, including fastening the bush, fastening the bush and being hollow round platform structure setting, fastening the bush and constitute by locking groove, thread head and bush, fastening bush and "U" locking groove through hollow round platform structure setting, locking lug and lock bush and fastening the screw thread fixing device of bush on the locking pad of cooperation, make the bearing install and dismantle simply, while convenient operation, also increased the protection of bearing, but this application scheme can't directly dismantle the bush body, usually need the workman to take the axle or the seat of machinery to dismantle earlier and then replace inside bush, this procedure is very tedious, especially to complicated machinery, the dismantlement degree of difficulty is bigger, can greatly increased maintenance time, it is very inconvenient to lead to the replacement bush.

Therefore, there is an urgent need to design a detachable high-precision bushing to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a detachable high-precision bushing, which solves the problem that the bushing body cannot be directly assembled and disassembled in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a detachable high accuracy bush, includes the main bush, the inboard of main bush is connected with the pivot, the outside of main bush is connected with the bearing, the right side of main bush is connected with from the bush, the upper end of main bush is provided with fixed subassembly, the draw-in groove has all been seted up to the upper end of main bush and from the bush, the spacing collar is all installed in the outside of main bush and from the bush, fixed subassembly under the lower extreme of spacing collar is connected with.

Further, go up fixed subassembly including first installation lid, first recess, first arch, second installation lid, first installation lid sets up the upper end at the main bush, first recess has been seted up in the front of first installation lid, first recess and first protruding block are connected, first arch sets up the back at the second installation lid, goes into first recess through first protruding card for first installation lid can splice together with the second installation lid, can realize directly covering first installation lid and second installation lid in the pivot.

Further, go up fixed subassembly including the spliced pole, the spliced pole sets up the lower extreme at first installation lid and second installation lid, the spliced pole is connected with the draw-in groove block, goes into the draw-in groove through the spliced pole card for first installation lid and second installation lid can fix on main bush and follow the bush, thereby are convenient for fix main bush and follow the bush together.

Further, the lower fixed subassembly is including first base, second recess, second arch, second base, first base sets up the lower extreme at the spacing collar, the second recess has been seted up in the front of first base, the second recess is connected with the protruding block of second, the second arch sets up in the back of second base, through the protruding card of second in the second recess for the second base can splice together with first base, can realize directly overlapping second base and first base in the pivot.

Further, the lower fixed assembly further comprises a limit groove, the limit groove is formed in the upper ends of the first base and the second base, the limit groove is connected with the limit ring in a jogged mode, the limit ring is clamped in the limit groove, and the main bushing, the auxiliary bushing, the second base and the first base can be spliced together, so that the installation accuracy is high.

Further, lower fixed subassembly is still including linking groove, linking groove sets up the upper end at first base and second base, linking groove is connected with main bush gomphosis, linking groove is connected with from the bush gomphosis, through main bush, from the bush simultaneously card go into linking groove for main bush, from bush, second base and first base four can splice together, make the installation accuracy high.

Further, lower fixed subassembly still includes screw hole, bolt, the screw hole sets up in the inside of spacing collar, first base and second base, the inboard of screw hole is connected with the bolt, screw hole and bolt threaded connection screw in proper order in the screw hole on first base, spacing collar through the bolt to and screw in proper order in the screw hole on second base, spacing collar, make main bush, follow the bush can fix on first base and second base, can not drop, and convenient change.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the detachable high-precision bushing, the rotating shaft is arranged between the first mounting cover and the second mounting cover, and the first protrusion is clamped into the first groove, so that the first mounting cover and the second mounting cover can be spliced together, the bearing can be detached from the rotating shaft without disassembly, and the first mounting cover and the second mounting cover can be directly sleeved on the rotating shaft;

2. this detachable high accuracy bush is arranged in the pivot between second base and the first base to in the second recess is gone into through the protruding card of second, make the second base can splice together with first base, can realize directly overlapping second base and first base in the pivot, thereby be convenient for splice main bush, follow bush, second base and first base four together, it is more convenient to dismantle, avoided the workman to take apart machinery earlier and replace the tedious procedure of bush again, effectively practice thrift the replacement time.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a first mounting cover according to the present utility model;

FIG. 3 is a schematic view of the main bushing structure of the present utility model;

fig. 4 is a schematic view of a first base structure of the present utility model.

In the figure: 100. an upper fixing assembly; 200. a lower fixing assembly; 1. a main bushing; 2. a rotating shaft; 3. a bearing; 4. a slave bushing; 5. a first mounting cover; 6. a first groove; 7. a first protrusion; 8. a second mounting cover; 9. a connecting column; 10. a clamping groove; 11. a limit ring; 12. a first base; 13. a second groove; 14. a second protrusion; 15. a second base; 16. a limit groove; 17. a connection groove; 18. a threaded hole; 19. and (5) a bolt.

Detailed Description

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a detachable high accuracy bush, includes main bush 1, the inboard of main bush 1 is connected with pivot 2, the outside of main bush 1 is connected with bearing 3, the right side of main bush 1 is connected with from bush 4, the upper end of main bush 1 is provided with fixed subassembly 100, draw-in groove 10 has all been seted up to the upper end of main bush 1 and from bush 4, limit collar 11 is all installed in the outside of main bush 1 and from bush 4, the lower extreme of limit collar 11 is connected with fixed subassembly 200 down.

Simultaneously, the upper fixing assembly 100 comprises a first mounting cover 5, a first groove 6, a first bulge 7 and a second mounting cover 8, the first mounting cover 5 is arranged at the upper end of the main bushing 1, the first groove 6 is arranged at the front of the first mounting cover 5, the first groove 6 is in clamping connection with the first bulge 7, the first bulge 7 is arranged at the back of the second mounting cover 8, the first bulge 7 is clamped into the first groove 6, the first mounting cover 5 and the second mounting cover 8 can be spliced together, the first mounting cover 5 and the second mounting cover 8 can be directly sleeved on the rotating shaft 2, the upper fixing assembly 100 comprises a connecting column 9, the connecting column 9 is arranged at the lower ends of the first mounting cover 5 and the second mounting cover 8, the connecting column 9 is in clamping connection with the clamping groove 10, the clamping groove 10 is clamped into the connecting column 9, the first mounting cover 5 and the second mounting cover 8 can be fixed on the main bushing 1 and the auxiliary bushing 4, so that the main bushing 1 and the auxiliary bushing 4 are conveniently fixed together, the lower fixing assembly 200 comprises a first base 12, a second groove 13, a second protrusion 14 and a second base 15, the first base 12 is arranged at the lower end of the limiting ring 11, the second groove 13 is formed in the front of the first base 12, the second groove 13 is clamped with the second protrusion 14 and connected, the second protrusion 14 is arranged on the back of the second base 15, and is clamped into the second groove 13 through the second protrusion 14, so that the second base 15 can be spliced with the first base 12, and the second base 15 and the first base sleeve 12 can be directly arranged on the rotating shaft 2.

In addition, the lower fixed subassembly 200 still includes spacing groove 16, spacing groove 16 sets up the upper end at first base 12 and second base 15, spacing groove 16 and spacing collar 11 gomphosis are connected, through spacing collar 11 card in spacing groove 16 for main bush 1, from bush 4, four can splice together of second base 15 and first base 12, the lower fixed subassembly 200 still includes linking groove 17, linking groove 17 sets up the upper end at first base 12 and second base 15, linking groove 17 and main bush 1 gomphosis are connected, linking groove 17 and from bush 4 gomphosis be connected, through main bush 1, from bush 4 simultaneously card in linking groove 17 for main bush 1, from bush 4, second base 15 and first base 12 four can splice together, the lower fixed subassembly 200 still includes threaded hole 18, bolt 19, threaded hole 18 sets up the inside at spacing collar 11, first base 12 and second base 15, the inboard of threaded hole 18 is connected with threaded hole 19, the threaded hole 18 and the second base 12 can be replaced in proper order on the basis 1, the threaded hole 19 can not be screwed down in the threaded hole 12 and the second base 11 through the bolt 19, the bolt 19 can be replaced in proper order on the first base 11, the second base 15 and the threaded hole is screwed down in the position collar 11, the second base 15.

When the detachable high-precision bushing of the technical scheme is used, the main bushing 1 and the secondary bushing 4 are sequentially inserted between the rotating shaft 2 and the bearing 3, the rotating shaft 2 is arranged between the first mounting cover 5 and the second mounting cover 8, the first mounting cover 5 can be clamped into the first groove 6 through the first protrusion 7, the first mounting cover 5 and the second mounting cover 8 can be spliced together on the rotating shaft 2, the first mounting cover 5 and the second mounting cover 8 are directly sleeved on the rotating shaft 2, the connecting column 9 is clamped into the clamping groove 10, the first mounting cover 5 and the second mounting cover 8 can be fixed on the main bushing 1 and the secondary bushing 4, the rotating shaft 2 is arranged between the second base 15 and the first base 12 in the same way, the second base 15 can be spliced together with the first base 12 through the second protrusion 14 clamped into the second groove 13, the second base 15 and the first base sleeve 12 are spliced together on the rotating shaft 2, the limit ring 11 is clamped into the limit groove 16, the main bushing 1, the secondary bushing 4, the second base 15 and the first base 12 can be screwed into the limit ring 11, the threaded hole is formed in the first base 12, and the threaded hole is formed in the second base 12, and the threaded hole is formed in the first base 12, the threaded hole is formed in the first base and the second base 12 is screwed into the reverse direction, and the threaded hole is sequentially spliced on the base 11 and the first base 12 is screwed into the threaded hole and the threaded hole is sequentially screwed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a detachable high accuracy bush, includes main bush (1), its characterized in that: the inside of main bush (1) is connected with pivot (2), the outside of main bush (1) is connected with bearing (3), the right side of main bush (1) is connected with from bush (4), the upper end of main bush (1) is provided with fixed subassembly (100), draw-in groove (10) have all been seted up to the upper end of main bush (1) and from bush (4), limit collar (11) are all installed in the outside of main bush (1) and from bush (4), the lower extreme of limit collar (11) is connected with fixed subassembly (200) down.

2. A removable high precision bushing as defined in claim 1, wherein: the upper fixing assembly (100) comprises a first mounting cover (5), a first groove (6), a first protrusion (7) and a second mounting cover (8), wherein the first mounting cover (5) is arranged at the upper end of the main bushing (1), the first groove (6) is formed in the front of the first mounting cover (5), the first groove (6) is connected with the first protrusion (7) in a clamping mode, and the first protrusion (7) is arranged on the back face of the second mounting cover (8).

3. A removable high precision bushing as defined in claim 1, wherein: the upper fixing assembly (100) comprises a connecting column (9), wherein the connecting column (9) is arranged at the lower ends of the first mounting cover (5) and the second mounting cover (8), and the connecting column (9) is connected with the clamping groove (10) in a clamping mode.

4. A removable high precision bushing as defined in claim 1, wherein: the lower fixing assembly (200) comprises a first base (12), a second groove (13), a second protrusion (14) and a second base (15), wherein the first base (12) is arranged at the lower end of the limit ring (11), the second groove (13) is formed in the front of the first base (12), the second groove (13) is connected with the second protrusion (14) in a clamping mode, and the second protrusion (14) is arranged on the back face of the second base (15).

5. A removable high precision bushing as defined in claim 4, wherein: the lower fixing assembly (200) further comprises a limiting groove (16), the limiting groove (16) is formed in the upper ends of the first base (12) and the second base (15), and the limiting groove (16) is connected with the limiting ring (11) in a jogged mode.

6. A removable high precision bushing as defined in claim 5, wherein: the lower fixing assembly (200) further comprises a connecting groove (17), the connecting groove (17) is arranged at the upper ends of the first base (12) and the second base (15), the connecting groove (17) is connected with the main bushing (1) in a jogged mode, and the connecting groove (17) is connected with the auxiliary bushing (4) in a jogged mode.

7. A removable high precision bushing as defined in claim 6, wherein: the lower fixing assembly (200) further comprises a threaded hole (18) and a bolt (19), the threaded hole (18) is formed in the limit ring (11), the first base (12) and the second base (15), the bolt (19) is connected to the inner side of the threaded hole (18), and the threaded hole (18) is in threaded connection with the bolt (19).