CN213839289U

CN213839289U - Dry-type composite bushing linear bearing

Info

Publication number: CN213839289U
Application number: CN202022713709.XU
Authority: CN
Inventors: 聂志平
Original assignee: Lishui Difa Bearing Co ltd
Current assignee: Lishui Difa Bearing Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-30
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a dry-type composite bush linear bearing, including the bearing main part, one side of bearing main part is equipped with the flange, the bearing main part endotheca is equipped with rather than assorted bush, the bush endotheca is equipped with rather than assorted inner circle, the inner circle with the both sides of bush all are equipped with fixed slot one, be equipped with rather than assorted stationary blade in the fixed slot one, the stationary blade with one side of inner circle all is equipped with a plurality of evenly distributed's through-hole. The beneficial effects are that: the fixing piece, the fixing rod and the fixing bolt are arranged, so that the lining and the inner ring are effectively fixed and detached, the disc, the fixing groove II, the thread block, the sliding block I and the sliding block II are arranged, the fixed lining and the inner ring are effectively fixed in the bearing, and meanwhile, the lining and the inner ring are effectively prevented from rotating difficultly due to the fact that external dust enters the bearing; through setting up the spin, the effectual frictional force that reduces bush and inner circle and disc improves bush and inner circle pivoted smoothness nature greatly.

Description

Dry-type composite bushing linear bearing

Technical Field

The utility model relates to a linear bearing technical field particularly, relates to a dry-type composite bush linear bearing.

Background

The dry type bearing is a rolling sliding bearing which is used under an oil-free working condition (dry lubrication working condition) and is lubricated by a solid lubricating material attached to the dry type bearing. The dry bearing is a coiled dry bearing which takes a steel plate as a substrate, spherical bronze powder is sintered in the middle, and a mixture of polytetrafluoroethylene and lead is rolled on the surface. It has the features of small friction coefficient, high wear resistance, high corrosion resistance and no oil lubrication.

The existing dry bearing has poor dustproof effect, and when dust enters the dry bearing, the inner ring in the dry bearing is difficult to rotate; the existing dry bearing is not easy to disassemble and has poor flexibility.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a dry-type composite bush linear bearing to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a dry-type composite bushing linear bearing comprises a bearing main body, wherein a flange is arranged on one side of the bearing main body, a bushing matched with the bearing main body is arranged in the bearing main body in a sleeved mode, an inner ring matched with the bushing is arranged in the bushing in a sleeved mode, a first fixing groove is formed in each of the two sides of the inner ring and the bushing, a fixing piece matched with the first fixing groove is arranged in each fixing groove, a plurality of through holes distributed uniformly are formed in each fixing piece and one side of the inner ring, a fixing rod is arranged in each through hole in a sleeved mode, a fixing bolt is arranged in each fixing rod in a sleeved mode, a second fixing groove is formed in each of the two sides of the bearing main body, a disc is arranged in each fixing groove, a plurality of first grooves distributed uniformly are formed in each fixing groove, a threaded groove is formed in each disc, a second groove is formed in each threaded groove, a first sliding block matched with the first groove is arranged in each groove, one side of the first sliding block is provided with a second sliding block matched with the groove, one side of the second sliding block is provided with a thread block matched with the thread groove, and one side of the disc close to each other is provided with a plurality of rolling balls which are uniformly distributed.

Preferably, one side of the flange is provided with a plurality of fixing holes which are uniformly distributed.

Preferably, one side of the thread block is connected with the connecting piece.

Preferably, the first groove is smaller than the second groove.

Preferably, the rolling balls are distributed in a circular ring shape, and the rolling balls are steel balls.

Preferably, one side of the disc is provided with a third groove, a handle is arranged in the third groove, and threads are arranged on the surface of the handle.

The utility model has the advantages that: the fixing piece, the fixing rod and the fixing bolt are arranged, so that the lining and the inner ring are effectively fixed and detached, the disc, the fixing groove II, the thread block, the sliding block I and the sliding block II are arranged, the fixed lining and the inner ring are effectively fixed in the bearing, and meanwhile, the lining and the inner ring are effectively prevented from rotating difficultly due to the fact that external dust enters the bearing; through setting up the spin, the effectual frictional force that reduces bush and inner circle and disc improves bush and inner circle pivoted smoothness nature greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a dry composite bushing linear bearing according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixing plate in a dry composite bush linear bearing according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a dry composite bushing linear bearing at a according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a rolling ball in a dry-type composite bushing linear bearing according to an embodiment of the present invention.

In the figure:

1. a bearing body; 2. a flange; 3. a bushing; 4. an inner ring; 5. a first fixing groove; 6. a fixing sheet; 7. a through hole; 8. a second fixing groove; 9. a disc; 10. a first groove; 11. a thread groove; 12. a second groove; 13. a first sliding block; 14. a second sliding block; 15. a thread block; 16. rolling a ball; 17. a fixing hole; 18. connecting sheets; 19. fixing the rod; 20. and (6) fixing the bolt.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a dry-type composite bush linear bearing.

The first embodiment;

as shown in fig. 1, a dry type composite bush linear bearing according to an embodiment of the present invention includes a bearing body 1, a flange 2 is disposed on one side of the bearing body 1, a bush 3 matched with the bearing body 1 is disposed in an inner sleeve of the bearing body 1, an inner ring 4 matched with the bush 3 is disposed in an inner sleeve of the bush 3, fixing grooves 5 are disposed on both sides of the inner ring 4 and the bush 3, fixing pieces 6 matched with the fixing pieces are disposed in the fixing grooves 5, a plurality of through holes 7 uniformly distributed are disposed on both sides of the fixing pieces 6 and one side of the inner ring 4, a fixing rod 19 is disposed on each through hole 7, fixing bolts 20 are disposed on both sides of the fixing rod 19, fixing grooves two 8 are disposed on both sides of the bearing body 1, a disc 9 is disposed in each fixing groove two 8, a plurality of grooves 10 uniformly distributed are disposed on one side of each fixing groove two 8, one side of the disc 9 is provided with a thread groove 11, one side of the thread groove 11 is provided with a second groove 12, a first sliding block 13 matched with the first groove is arranged in the first groove 10, one side of the first sliding block 13 is provided with a second sliding block 14 matched with the second groove 12, one side of the second sliding block 14 is provided with a thread block 15 matched with the thread groove 11, and one side of the disc 9, which is close to each other, is provided with a plurality of rolling balls 16 which are uniformly distributed.

Example two;

as shown in fig. 1, according to the utility model discloses dry-type composite bush linear bearing, one side of flange 2 is equipped with a plurality of evenly distributed's fixed orifices 17, one side equal connection piece 18 of screw thread piece 15, recess one 10 is less than recess two 12, spin 16 can rotate, spin 16 is the ring and distributes, spin 16 is the steel ball, one side of disc 9 is equipped with all to be equipped with recess three, all be equipped with the handle in the recess three, the surface of handle is equipped with the screw thread. As can be seen from the above design, the flange 2 can be fixed by the fixing holes 17, so that the whole bearing is fixed, and the stability of the bearing is effectively improved; through the arrangement of the connecting piece 18, a user can conveniently rotate the thread block 15, so that the disc 9 is tightly connected with the second fixing groove 8; the first groove 10 is smaller than the second groove 12, so that the first sliding block 13 is smaller than the second sliding block 14, and the tightness between the first sliding block 13 and the second sliding block 14 and the tightness between the first groove 10 and the second groove 12 are effectively improved; the rolling balls 16 are distributed in a circular ring, so that the rolling smoothness of the rolling balls 16 is effectively improved; the rolling ball 16 is a steel ball, so that the wear resistance of the rolling ball 16 is improved, and the rolling ball 16 is effectively prevented from being damaged by friction; through set up the screw thread on the surface of handle, increase the surperficial frictional force of handle, effectual improvement user is to taking of disc 9.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, two groups of fixing pieces are placed on the first fixing groove 5, the fixing rod 19 is inserted into the through hole 7, the fixing bolt 20 is rotated, the two groups of discs 9 are connected with the second fixing groove 8, the thread block 15, the first sliding block 13 and the second sliding block 14 are sequentially inserted into the thread groove 11, and the thread block 15 is rotated to enable the first sliding block 13 and the second sliding block 14 to be tightly connected with the first groove and the second groove respectively.

In summary, with the aid of the technical solution of the present invention, by providing the fixing plate 6, the fixing rod 19 and the fixing bolt 20, the bushing 3 and the inner ring 4 are effectively fixed and disassembled, and by providing the disc 9, the fixing groove two 8, the thread block 15, the slider one 13 and the slider two 14, the fixing bushing 3 and the inner ring 4 are effectively fixed inside the bearing, and meanwhile, the bushing 3 and the inner ring 4 are effectively prevented from being difficult to rotate due to external dust entering the inside of the bearing; through setting up spin 16, the effectual frictional force that reduces bush 3 and inner circle 4 and disc 9 improves the smoothness nature that bush 3 and inner circle 4 rotated greatly.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dry-type composite bushing linear bearing is characterized by comprising a bearing main body (1), wherein a flange (2) is arranged on one side of the bearing main body (1), a bushing (3) matched with the bearing main body is sleeved in the bearing main body (1), an inner ring (4) matched with the bushing is sleeved in the bushing (3), fixing grooves I (5) are respectively arranged on the inner ring (4) and the two sides of the bushing (3), fixing pieces (6) matched with the fixing pieces I are arranged in the fixing grooves I (5), a plurality of through holes (7) which are uniformly distributed are respectively arranged on the fixing pieces (6) and one side of the inner ring (4), fixing rods (19) are sleeved in the through holes (7), fixing bolts (20) are respectively sleeved on the two sides of the fixing rods (19), fixing grooves II (8) are respectively arranged on the two sides of the bearing main body (1), and discs (9) are respectively arranged in the fixing grooves II (8), one side of fixed slot two (8) all is equipped with a plurality of evenly distributed's recess (10), one side of disc (9) all is equipped with thread groove (11), one side of thread groove (11) all is equipped with recess two (12), be equipped with in recess (10) rather than assorted slider (13), one side of slider (13) be equipped with recess two (12) assorted slider two (14), one side of slider two (14) be equipped with thread groove (11) assorted thread piece (15), one side that disc (9) are close to each other all is equipped with a plurality of evenly distributed's spin (16).

2. A dry composite bush linear bearing according to claim 1, characterised in that the flange (2) is provided with a number of evenly distributed fixing holes (17) on one side.

3. A dry composite bush linear bearing according to claim 1, characterised in that the thread blocks (15) are provided with a connecting piece (18) on one side.

4. A dry composite bushing linear bearing according to claim 1, characterized in that the first groove (10) is smaller than the second groove (12).

5. A dry composite bush linear bearing as claimed in claim 1, characterised in that the balls (16) are distributed in a circular ring, the balls (16) being steel balls.

6. A dry composite bush linear bearing according to claim 1, characterized in that one side of the disc (9) is provided with a third groove, the third groove is provided with a handle therein, and the surface of the handle is provided with screw threads.