CN216742441U

CN216742441U - High-precision bearing

Info

Publication number: CN216742441U
Application number: CN202123052550.2U
Authority: CN
Inventors: 陆全
Original assignee: CHANGZHOU WUJIN HUANYU BEARING CO LTD
Current assignee: CHANGZHOU WUJIN HUANYU BEARING CO LTD
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-14
Anticipated expiration: 2031-12-07

Abstract

The utility model belongs to the technical field of precision bearings, in particular to a high-precision bearing, which comprises a main body component, a mounting component and a dustproof component, wherein the main body component comprises an inner ring, the two ends of the outer side of the inner ring are respectively clamped with the rolling balls, the outer side of the rolling balls is clamped with the outer ring, the outer side of the outer ring is sleeved with the outer ring, the mounting component comprises a connecting ring, the connecting ring is fixedly arranged on the outer ring and the outer ring, the dustproof components are positioned on two sides of the main body component, the design of two groups of rolling balls and the outer ring is adopted, the outer ring is arranged in a split type, the outer ring and the connecting ring are fixed, so that the utility model not only has stronger stability when in use, but also is convenient to disassemble and maintain, and through dirt proof ring, first dust ring and second dust ring for when using, avoid outside dust to enter into between the spin, improve the utility model discloses a dustproof effect improves stability and the life of using.

Description

High-precision bearing

Technical Field

The utility model belongs to the technical field of the precision bearing, specifically be high accuracy bearing.

Background

The precision bearing is divided into the following parts according to the ISO classification standard: the grades of the P0, P6, P5, P4 and P2 are sequentially increased, wherein P0 is common precision, other grades are precision grades, different grading standards and different types of bearings, the grading methods of the bearings are different, but the meanings are consistent, the use performance of the precision bearing requires that a rotating body has high jumping precision, high-speed rotation and friction change are small, along with the progress of modern industry, some precision equipment is increasingly updated, the requirement on the precision bearing is higher and higher, but when some precision bearings are used, the problems that disassembly is not convenient, maintenance is difficult and use is inconvenient exist.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high accuracy bearing possesses the convenient to detach, conveniently maintains the advantage, has solved the inconvenient problem of using of current device.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the high-precision bearing comprises a main body assembly, a mounting assembly and a dustproof assembly;

the main body assembly comprises an inner ring, rolling balls are clamped at two ends of the outer side of the inner ring, an outer ring is clamped at the outer side of each rolling ball, and an outer ring is sleeved at the outer side of each outer ring;

the mounting assembly comprises a connecting ring, the connecting ring is fixedly mounted on the outer ring and the outer ring, and the outer ring are fixedly connected through the connecting ring;

the dustproof assembly is fixedly installed on the installation assembly and the inner ring, and the dustproof assembly is located on two sides of the main body assembly.

Preferably, both ends of the outer side of the inner ring are provided with grooves, the rolling balls are clamped in the grooves, the rolling balls are two groups, gaps are formed in the inner side of the outer ring, and the outer ring is clamped on the rolling balls through the gaps.

By adopting the scheme, when the rolling ball type anti-rotation inner ring is used, the rolling ball rolls in the groove, so that the outer ring rotates on the inner ring through the rolling ball, and the stability is improved in rotation through the two groups of rolling balls, the precision effect is improved, and the use is convenient.

Preferably, the intermediate position of inner circle is located the intermediate position fixed mounting of recess has the solid fixed ring of cross structure, just the spread groove of loop configuration is seted up to the relative one side of outer lane, the outer lane passes through the spread groove joint is in gu fixed ring is last, the quantity of outer lane is two sets of.

By adopting the scheme, the fixing ring with the cross structure is adopted, so that when the outer ring rotates on the rolling ball, the outer ring rotates on the fixing ring through the connecting groove, the stability during rotation is further improved, and the use is convenient.

Preferably, a retainer is sleeved in the middle of the rolling ball, and the retainer is positioned between the outer ring and the inner ring.

By adopting the scheme, the rolling balls are kept at the same distance when rotating through the retainer, and the phenomenon that the distance between the rolling balls is changed to cause vibration when the rolling balls rotate is avoided.

Preferably, connecting holes are uniformly formed in one side of the outer ring, two sides of the outer ring and the connecting ring, nuts are connected to the inner threads of the connecting holes, and the outer ring, the outer ring and the connecting ring are fixedly connected through the nuts.

By adopting the above scheme, through the nut, make connecting ring fixed mounting be in the outer lane with on the outer loop, and then avoid the outer lane with solid fixed ring breaks away from mutually, and passes through the go-between is convenient for right the utility model discloses dismantle, the convenience will the outer lane is taken off, is convenient for maintain convenient operation.

Preferably, the dustproof assembly comprises a dustproof ring, the dustproof ring is fixedly installed on the inner side of the connecting ring, annular structure placing grooves are formed in two ends of the outer side of the inner ring, and one end of the dustproof ring extends to the inside of the placing grooves.

By adopting the scheme, the dustproof ring is convenient for blocking a gap between the inner ring and the outer ring, so that dust is prevented from entering the rolling ball position, the dustproof effect is achieved, and the service life is prolonged.

Preferably, the outer side of the inner ring is located the edge position fixed mounting of standing groove has first dust ring, just first dust ring with the dust ring is compressed mutually, the mounting groove has been seted up to lower extreme one side of dust ring, just one side fixed mounting in the inside of mounting groove has the second dust ring, one side of second dust ring with one side of standing groove is compressed mutually.

By adopting the above scheme, through first dust ring with the second dust ring, when rotating, make first dust ring all the time with the dust ring contacts, the second dust ring all the time with one side of standing groove contacts, avoids the dust to enter into the steel ball position, convenient to use plays stronger dustproof effect.

(III) advantageous effects

Compared with the prior art, the utility model provides a high accuracy bearing possesses following beneficial effect:

this technical scheme adopts the design of two sets of spin and outer lane, and the outer lane adopts split type installation, fixes through outer ring and go-between, not only when using, plays stronger stability, and is also convenient right the utility model discloses dismantle, conveniently maintain, and through dirt ring, first dust ring and second dust ring for when using, avoid outside dust to enter into between the spin, improve the utility model discloses a dustproof effect improves stability and the life of using.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial, overall side cross-sectional view of the present invention;

FIG. 3 is a side sectional view of the inner ring of the present invention;

FIG. 4 is a side cross-sectional view of a portion of a connecting ring of the present invention;

in the figure:

1. a body assembly; 11. an inner ring; 12. rolling a ball; 13. an outer ring; 14. an outer ring; 15. a groove; 16. a notch; 17. a fixing ring; 18. connecting grooves; 19. a holder;

2. mounting the component; 21. a connecting ring; 22. connecting holes; 23. a nut;

3. a dust-proof assembly; 31. a dust ring; 32. a placement groove; 33. a first dust ring; 34. mounting grooves; 35. and a second dust ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Example one

The high-precision bearing comprises a main body component 1, a mounting component 2 and a dustproof component 3;

the main body component 1 comprises an inner ring 11, rolling balls 12 are clamped at two ends of the outer side of the inner ring 11, an outer ring 13 is clamped at the outer side of each rolling ball 12, and an outer ring 14 is sleeved at the outer side of each outer ring 13;

the mounting assembly 2 comprises a connecting ring 21, the connecting ring 21 is fixedly mounted on the outer ring 13 and the outer ring 14, and the outer ring 13 and the outer ring 14 are fixedly connected through the connecting ring 21;

the dustproof assembly 3 is fixedly arranged on the mounting assembly 2 and the inner ring 11, and the dustproof assembly 3 is positioned on two sides of the main body assembly 1.

The outside both ends of inner circle 11 all are seted up flutedly 15, and spin 12 joint is in the inside of recess 15, and spin 12's quantity is two sets of, and breach 16 has all been seted up to the inboard of outer lane 13, and outer lane 13 passes through breach 16 joint on spin 12.

The middle position of the inner ring 11 is located in the middle position of the groove 15, a fixing ring 17 with a cross structure is fixedly installed at the middle position of the groove, a connecting groove 18 with an annular structure is formed in one side, opposite to the outer ring 13, of the outer ring 13, the outer ring 13 is connected to the fixing ring 17 in a clamped mode through the connecting groove 18, and the number of the outer ring 13 is two.

The rolling balls 12 are sleeved with a retainer 19, and the retainer 19 is positioned between the outer ring 13 and the inner ring 11.

Connecting holes 22 are uniformly formed in one side of the outer ring 13, two sides of the outer ring 14 and the connecting ring 21, nuts 23 are connected to the inner threads of the connecting holes 22, and the outer ring 13, the outer ring 14 and the connecting ring 21 are fixedly connected through the nuts 23.

Referring to fig. 1-4, when in use, the rolling balls 12 are respectively installed inside the retainer 19, the rolling balls 12 are installed inside the groove 15 on the inner ring 11 through the retainer 19, the two outer rings 13 are connected to both sides of the fixing ring 17 through the connecting grooves 18, the notches 16 on the inner sides of the outer rings 13 are connected to the rolling balls 12 in a clamping manner, the outer rings 14 are connected to the outer sides of the outer rings 13 in a sleeving manner, the two outer rings 13 are both located inside the outer rings 14, the connecting rings 21 are arranged on both sides of the outer rings 14, the connecting holes 22 are aligned, the nuts 23 are connected to the inside of the connecting holes 22 in a threaded manner, the two outer rings 13 and the outer rings 14 are fixed through the connecting rings 21, so that the outer rings 13 are prevented from being separated from the fixing ring 17, the outer rings 13 are convenient to install, and when in disassembly, the nuts 23 are unscrewed, disassembly can be completed, the rolling balls 12 are exposed, and maintenance is convenient, when the novel rolling ball type anti-rotation device is used, the outer ring 13 and the outer ring 14 rotate on the rolling balls 12 and the fixing ring 17, and stability during rotation is improved through the two groups of rolling balls 12, and the novel rolling ball type anti-rotation device is convenient to use.

Example two

And a dustproof mode is added on the basis of the first embodiment.

The dustproof assembly 3 comprises a dustproof ring 31, the dustproof ring 31 is fixedly installed on the inner side of the connecting ring 21, annular structure placing grooves 32 are formed in two ends of the outer side of the inner ring 11, and one end of the dustproof ring 31 extends to the inside of the placing grooves 32.

The outer side of the inner ring 11 is fixedly provided with a first dust ring 33 at the edge position of the placing groove 32, the first dust ring 33 is tightly pressed against the dust ring 31, one side of the lower end of the dust ring 31 is provided with a mounting groove 34, one side of the mounting groove 34 is fixedly provided with a second dust ring 35, and one side of the second dust ring 35 is tightly pressed against one side of the placing groove 32.

Referring to fig. 1-4, when the connection ring 21 is installed, the dustproof ring 31 is fixed on two sides between the inner ring 11 and the outer ring 13, so that a gap between the inner ring 11 and the outer ring 13 is conveniently sealed, the first dustproof ring 33 is tightly pressed with the dustproof ring 31, the second dustproof ring 35 is tightly pressed with one side of the placement groove 32, when the connection ring is rotated, the first dustproof ring 33 and the second dustproof ring 35 are used for blocking outside dust, the dust is prevented from entering between the rolling balls 12, the dustproof effect is improved, the use stability and the service life are further improved, and the abrasion of the rolling balls 12 is reduced.

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. High accuracy bearing, its characterized in that: comprises a main body component (1), a mounting component (2) and a dustproof component (3);

the main body component (1) comprises an inner ring (11), rolling balls (12) are clamped at two ends of the outer side of the inner ring (11), an outer ring (13) is clamped at the outer side of each rolling ball (12), and an outer ring (14) is sleeved at the outer side of each outer ring (13);

the mounting assembly (2) comprises a connecting ring (21), the connecting ring (21) is fixedly mounted on the outer ring (13) and the outer ring (14), and the outer ring (13) and the outer ring (14) are fixedly connected through the connecting ring (21);

the dustproof assembly (3) is fixedly installed on the installation assembly (2) and the inner ring (11), and the dustproof assembly (3) is located on two sides of the main body assembly (1).

2. The high precision bearing of claim 1, wherein: the outside both ends of inner circle (11) all are seted up flutedly (15), just spin (12) joint is in the inside of recess (15), the quantity of spin (12) is two sets of, just breach (16) have all been seted up to the inboard of outer lane (13), outer lane (13) are passed through breach (16) joint is in on spin (12).

3. The high precision bearing of claim 2, wherein: the intermediate position of inner circle (11) is located the intermediate position fixed mounting of recess (15) has fixed ring (17) of cross structure, just annular structure's spread groove (18) are seted up to one side that outer lane (13) are relative, outer lane (13) pass through spread groove (18) joint is in on the fixed ring (17), the quantity of outer lane (13) is two sets of.

4. The high precision bearing according to claim 1, wherein: the middle of the rolling ball (12) is sleeved with a retainer (19), and the retainer (19) is positioned between the outer ring (13) and the inner ring (11).

5. The high precision bearing according to claim 1, wherein: connecting holes (22) are uniformly formed in one side of the outer ring (13), two sides of the outer ring (14) and the connecting ring (21), nuts (23) are connected to the inner threads of the connecting holes (22), and the outer ring (13), the outer ring (14) and the connecting ring (21) are fixedly connected through the nuts (23).

6. The high precision bearing according to claim 1, wherein: dustproof subassembly (3) include dust ring (31), just dust ring (31) fixed mounting be in the inboard of go-between (21), just annular structure standing groove (32) have all been seted up at the outside both ends of inner circle (11), the one end of dust ring (31) extends to the inside of standing groove (32).

7. The high precision bearing according to claim 6, wherein: the outside of inner circle (11) is located the marginal position fixed mounting of standing groove (32) has first dust ring (33), just first dust ring (33) with dust ring (31) compresses tightly mutually, mounting groove (34) have been seted up to lower extreme one side of dust ring (31), just inside one side fixed mounting of mounting groove (34) has second dust ring (35), one side of second dust ring (35) with one side of standing groove (32) is compressed tightly mutually.