CN216519225U

CN216519225U - Helical tooth composite high-precision roller bearing

Info

Publication number: CN216519225U
Application number: CN202123069187.5U
Authority: CN
Inventors: 陶玉龙
Original assignee: Shenzhen Taoshi Precision Technology Co ltd
Current assignee: Shenzhen Taoshi Precision Technology Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-05-13
Anticipated expiration: 2031-12-08

Abstract

The utility model relates to the technical field of roller bearings, in particular to a thread-tooth composite high-precision roller bearing which comprises a bearing outer ring and a bearing inner core, wherein the bearing inner core rotates at the inner side position of the bearing outer ring, assembly teeth are arranged at the upper and lower positions of the outer side of the bearing outer ring, fixed thread teeth are arranged at the positions, located at the inner sides of the assembly teeth, of the outer side of the bearing outer ring, the bearing inner core comprises a bearing inner ring, a roller supporting block is arranged at the outer side of the bearing inner ring, rollers are arranged at the positions, located at the outer sides of the roller supporting block, of the two ends of the outer side of the bearing inner ring, and bearing covers are arranged at the upper and lower positions of the bearing inner ring. The roller is positioned by the support rod, so that two adjacent rollers are prevented from being in friction contact in the running process of the bearing, the abrasion of the rollers is reduced, the roller is installed by the fixed spiral teeth, the mounting is convenient and fast compared with a clamping type, and the bearing can be disassembled after being assembled.

Description

Helical tooth composite high-precision roller bearing

Technical Field

The utility model relates to the technical field of roller bearings, in particular to a spiral tooth composite high-precision roller bearing.

Background

The roller bearing is one of the rolling bearings, one of the parts widely used in modern machinery, it relies on rolling contact among the main components to support the rotating part, the roller bearing has already been standardized at present, the roller bearing has advantages such as the moment that starts the need is small, the rotational accuracy is high, choose conveniently.

Chinese patent discloses a roller bearing (No. CN214367300U), which can make the fixing more firm through a fixing hole, meanwhile, the outer side of the fixing hole is of a semi-embedded structure, so that the installation operation can be more quickly and conveniently carried out during installation, meanwhile, the fixed hole is fixedly communicated with the inner ring movable groove on the outer side of the bearing inner ring, so that the operation can be more conveniently carried out when lubricating oil needs to be filled in the bearing inner ring, meanwhile, the fixed connection part can be lubricated to avoid the inconvenience of disassembling the connection part due to rust caused by long-term connection, however, in the operation process of the bearing, two adjacent rollers are in friction contact with each other to cause abrasion of the rollers, so that the service life of the bearing is short, the installation mode of the common bearing is a clamping installation mode, the installation convenience is low, the bearing cannot be generally disassembled, and the maintenance efficiency is not facilitated. Accordingly, those skilled in the art have provided a helical composite high precision roller bearing to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a helical-tooth composite high-precision roller bearing, which solves the above problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a compound high-accuracy roller bearing of thread tooth, includes bearing inner race and bearing inner core, the bearing inner core rotates in the inboard position department of bearing inner race, position department all is provided with the assembly tooth about the outside of bearing inner race, the outside of bearing inner race is located the inboard position department of assembly tooth and is provided with fixed thread tooth, the bearing inner core includes the bearing inner race, the outside of bearing inner race is provided with the roller supporting shoe, the outside position department that the outside both ends of bearing inner race are located the roller supporting shoe is provided with the roller, the upper and lower side position department of bearing inner race all is provided with the bearing cap, the inboard of bearing cap is provided with the bracing piece, the screw is installed in the outside of bearing cap.

As a still further scheme of the utility model: the outer side of the bearing cover is provided with a first fixed screw port corresponding to the position of the screw, the upper side and the lower side of the bearing inner ring are provided with second fixed screw ports, and the outer side of the roller is provided with a rotating port.

As a still further scheme of the utility model: the rollers rotate on the outer sides of the roller supporting blocks, and the bearing outer ring rotates on the outer side of the bearing inner ring through the rollers.

As a still further scheme of the utility model: the supporting rod corresponds to the roller in position, the supporting rod rotates in the roller, and the bearing cover is fixed at the upper side position and the lower side position of the bearing inner ring through screws.

As a still further scheme of the utility model: the first fixing screw corresponds to the second fixing screw in position, and one end of the screw penetrates through the first fixing screw and rotates in the inner position of the second fixing screw.

As a still further scheme of the utility model: the supporting rod corresponds to the position of the rotary opening, one end of the supporting rod is located in the inner position of the rotary opening, and the roller rotates in the inner side position of the bearing cover through the supporting rod and the rotary opening.

Compared with the prior art, the utility model has the beneficial effects that: according to the spiral tooth composite high-precision roller bearing, the rollers are positioned through the supporting rod, the two adjacent rollers are prevented from being in friction contact in the running process of the bearing, the abrasion of the rollers is reduced, and the service life of the bearing is prolonged.

Drawings

FIG. 1 is a schematic structural view of a helical-tooth composite high-precision roller bearing;

FIG. 2 is an exploded view of the inner core of the bearing in the helical-toothed composite high-precision roller bearing;

fig. 3 is a schematic structural view of a portion a in fig. 2 of a helical tooth composite high-precision roller bearing.

In the figure: 1. a bearing outer race; 2. a bearing inner core; 3. assembling the teeth; 4. fixing the screw teeth; 5. a bearing inner race; 6. a roller; 7. a roller support block; 8. a bearing cap; 9. a screw; 10. a support bar; 11. a first fixing screw; 12. a second fixed screw; 13. and (6) turning the mouth.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention, a helical-tooth composite high-precision roller bearing includes a bearing outer ring 1 and a bearing inner core 2, the bearing inner core 2 rotates at an inner side position of the bearing outer ring 1, the upper and lower positions of the outer side of the bearing outer ring 1 are both provided with assembly teeth 3, the outer side of the bearing outer ring 1 at the inner side position of the assembly teeth 3 is provided with fixed helical teeth 4, the bearing inner core 2 includes a bearing inner ring 5, the outer side of the bearing inner ring 5 is provided with a roller support block 7, the outer ends of the outer side of the bearing inner ring 5 at the outer side position of the roller support block 7 are provided with rollers 6, the upper and lower positions of the bearing inner ring 5 are both provided with bearing caps 8, the inner side of the bearing cap 8 is provided with a support rod 10, the outer side of the bearing cap 8 is provided with a screw 9, the rollers 6 rotate at the outer side of the roller support block 7, the bearing outer ring 1 rotates at the outer side position of the bearing inner ring 5 through the rollers 6, the supporting rod 10 corresponds to the roller 6 in position, the supporting rod 10 rotates in the inner position of the roller 6, the bearing cover 8 is fixed at the upper side position and the lower side position of the bearing inner ring 5 through the screws 9, firstly, the device is taken out and turned into an installation position through the fixed spiral teeth 4, then, the device starts to be used, in the using process, the bearing inner core 2 rotates on the inner side of the bearing outer ring 1, the roller 6 rotates on the corresponding side of the roller supporting block 7 and the bearing cover 8 through the supporting rod 10, and the operation of the bearing is completed.

In fig. 2, 3: the outer side of the bearing cover 8 corresponding to the position of the screw 9 is provided with a first fixed screw 11, the upper and lower side positions of the bearing inner ring 5 are provided with second fixed screws 12, the outer side of the roller 6 is provided with a rotary port 13, the positions of the first fixed screw 11 and the second fixed screw 12 correspond, one end of the screw 9 penetrates through the first fixed screw 11 and rotates at the inner position of the second fixed screw 12, the position of the support rod 10 corresponds to the position of the rotary port 13, one end of the support rod 10 is positioned at the inner position of the rotary port 13, the roller 6 rotates at the inner side position of the bearing cover 8 through the support rod 10 and the rotary port 13, when the bearing is damaged, the assembly teeth 3 drive the fixed screw teeth 4 to rotate, the bearing is taken out of the installation position, the screw 9 is rotated out of the inner parts of the second fixed screw 12 and the first fixed screw 11, the support rod 10 separates out of the inner part of the roller 6 through the rotary port 13, and the roller 6 with serious abrasion is replaced, the device is assembled.

The working principle of the utility model is as follows: firstly, the device is taken out, the device is turned into an installation position through the fixed screw teeth 4, then the device is used, in the using process, the bearing inner core 2 rotates on the inner side of the bearing outer ring 1, the roller 6 rotates on the corresponding side of the roller supporting block 7 and the bearing cover 8 through the supporting rod 10, the operation of the bearing is completed, finally, when the bearing is damaged, the fixed screw teeth 4 are driven to rotate through the assembling teeth 3, the installation position is taken out of the bearing, the screw 9 is turned out of the inner parts of the second fixed screw opening 12 and the first fixed screw opening 11, the supporting rod 10 is separated out of the inner part of the roller 6 through the turning opening 13, the roller 6 with serious abrasion is replaced, and the device is assembled.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A helical-tooth composite high-precision roller bearing comprises a bearing outer ring (1) and a bearing inner core (2), wherein the bearing inner core (2) rotates at the inner side position of the bearing outer ring (1), and is characterized in that assembly teeth (3) are arranged at the upper and lower positions outside the bearing outer ring (1), fixed helical teeth (4) are arranged at the inner side position, located at the assembly teeth (3), outside the bearing outer ring (1), the bearing inner core (2) comprises a bearing inner ring (5), a roller supporting block (7) is arranged outside the bearing inner ring (5), rollers (6) are arranged at the outer side positions, located at the roller supporting block (7), of the two ends outside the bearing inner ring (5), bearing covers (8) are arranged at the upper and lower positions of the bearing inner ring (5), and a supporting rod (10) is arranged inside the bearing cover (8), and a screw (9) is arranged on the outer side of the bearing cover (8).

2. The helical-tooth composite high-precision roller bearing as claimed in claim 1, wherein a first fixed screw (11) is provided at a position corresponding to the screw (9) on the outer side of the bearing cover (8), a second fixed screw (12) is provided at both the upper and lower positions of the bearing inner ring (5), and a rotary opening (13) is provided on the outer side of the roller (6).

3. A helical-toothed composite high-precision roller bearing according to claim 1, characterized in that the rollers (6) rotate outside the roller support blocks (7), and the bearing outer ring (1) rotates at a position outside the bearing inner ring (5) through the rollers (6).

4. A helical-toothed composite high-precision roller bearing according to claim 1, characterized in that the support rod (10) corresponds to the position of the roller (6), the support rod (10) rotates at the inner position of the roller (6), and the bearing cover (8) is fixed at the upper and lower positions of the bearing inner ring (5) by screws (9).

5. The helical tooth composite high-precision roller bearing as claimed in claim 2, wherein the first fixed screw port (11) corresponds to the second fixed screw port (12), and one end of the screw (9) penetrates through the first fixed screw port (11) and rotates at an internal position of the second fixed screw port (12).

6. The helical-toothed composite high-precision roller bearing as claimed in claim 2, wherein the support rod (10) corresponds to the position of the turn-mouth (13), one end of the support rod (10) is located at the inner position of the turn-mouth (13), and the roller (6) is rotated at the inner position of the bearing cover (8) through the support rod (10) and the turn-mouth (13).