CN211975669U

CN211975669U - Angular contact ball bearing

Info

Publication number: CN211975669U
Application number: CN202020257509.5U
Authority: CN
Inventors: 程江; 贝国军; 秦磊
Original assignee: XINCHANG HENGLI BEARING CO Ltd
Current assignee: XINCHANG HENGLI BEARING CO Ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-11-20
Anticipated expiration: 2030-03-05

Abstract

The utility model belongs to the technical field of angular contact ball bearing, especially, be an angular contact ball bearing, including the bearing body, the outside of bearing body is provided with the outer lane, and the interior table wall of outer lane is provided with first sealing washer, and the interior table wall of first sealing washer is provided with the ball, and one side that first sealing washer was kept away from to the ball is provided with the second sealing washer, and the table wall is provided with the inner circle in the second sealing washer, and the inside of inner circle is provided with first cooling tube, and the inside of outer lane is provided with the second cooling tube, and the outward appearance wall of ball is provided with the frame cover, and one side. The utility model can effectively reduce the temperature inside the bearing body by additionally arranging the first cooling pipe, the second cooling pipe and the water inlet, thereby avoiding the problem that the internal parts of the bearing body are damaged due to overhigh temperature; through addding installation piece and mounting groove, when assembling the bearing body, can make holder and frame cover install more firmly.

Description

Angular contact ball bearing

Technical Field

The utility model relates to an angular contact ball bearing technical field specifically is an angular contact ball bearing.

Background

The bearing is an important part in the modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, and the angular contact ball bearing belongs to one of various types of bearings, can bear radial load and axial load at the same time and can work at higher rotating speed. The larger the contact angle is, the higher the axial bearing capacity is, the contact angle is the angle between the connecting line of the contact points of the ball and the raceway in the radial plane and the vertical line of the bearing axis, the high-precision and high-speed bearing usually has a contact angle of 15 degrees, and the contact angle is increased under the action of axial force.

There are the following problems:

1. when the bearing body is used, the temperature inside the bearing body can not be effectively reduced, the problem that the internal parts of the bearing body are damaged due to overhigh temperature is easily caused, the internal parts are easily damaged, the heat dissipation effect of the bearing body is reduced, the service time of the bearing body is shortened, and the practicability is reduced.

2. When assembling the bearing body, can't make holder and frame cover installation more firm, if the holder of a certain department damages when unable the use simultaneously, also can not change its holder that damages the position, need change whole group's holder, complex operation has improved staff's the change degree of difficulty, has increased the change time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an angular contact ball bearing has solved when the bearing body uses, can not effectual reduction bearing body inside temperature, and the problem that the damage appears in the internals that the high temperature caused the bearing body easily, in addition, when assembling the bearing body, can't make the holder and the frame cover installation more firm, if the holder of a certain department damages when unable the use simultaneously, also can not change its holder that damages the position, need to change the problem of whole group's holder.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an angular contact ball bearing, includes the bearing body, the outside of bearing body is provided with the outer lane, the interior table wall of outer lane is provided with first sealing washer, the interior table wall of first sealing washer is provided with the ball, one side that first sealing washer was kept away from to the ball is provided with the second sealing washer, the table wall is provided with the inner circle in the second sealing washer, the inside of inner circle is provided with first cooling tube, the inside of outer lane is provided with the second cooling tube, the exterior wall of ball is provided with the frame cover, one side of frame cover is provided with the holder, the one end of holder is provided with the installation piece, the outside of installation piece just is located the inside of frame cover and has seted up the mounting groove, the water inlet has been seted up to the exterior.

As an optimized technical scheme of the utility model, the inside of water inlet is provided with the mouth stopper, the shape of mouth stopper is the hexagon.

As an optimal technical scheme of the utility model, the exterior wall of frame cover is provided with fastening bolt, fastening bolt's outside and the inside that is located the frame cover have seted up the bolt groove.

As an optimized technical proposal of the utility model, the outer surface walls of the frame sleeve and the retainer are provided with a guard ring, and the shape of the guard ring is circular.

As an optimized technical scheme of the utility model, the interior table wall of guard circle is provided with the fixture block, the outside of fixture block and the outward appearance wall that is located the frame cover have seted up the draw-in groove.

As a preferred technical scheme of the utility model, the shape of installation piece is the quadrangle, the quantity of installation piece is a plurality of groups, the quantity of mounting groove and the quantity phase-match of installation piece.

As a preferred technical scheme of the utility model, the shape of first cooling tube and second cooling tube is circular, the circumference of second cooling tube is greater than the circumference of first cooling tube.

As a preferred technical scheme of the utility model, the shape of first sealing washer and second sealing washer is circular, the thickness of first sealing washer is the same with the thickness of second sealing washer.

Compared with the prior art, the utility model provides an angular contact ball bearing possesses following beneficial effect:

1. this angular contact ball bearing, through addding first cooling tube, second cooling tube and water inlet, when the bearing body used, through connecting the water inlet, pour into first cooling tube and second cooling tube with the cooling water in, can the inside temperature of effectual reduction bearing body, avoided the high temperature and caused the problem that the inner part of bearing body appears damaging, avoided causing the damage to inner part, the radiating effect of bearing body has been improved, the live time of bearing body has been prolonged, the practicality has been strengthened.

2. This angular contact ball bearing through addding installation piece and mounting groove, when assembling the bearing body, is connected the installation piece on the holder with the mounting groove that the frame cover was seted up, can make holder and frame cover install more firmly, if the holder of a certain department damages when unable the use simultaneously, the holder of removable its damage position need not to change whole group's holder, and easy operation is convenient, has reduced staff's the change degree of difficulty, has reduced the change time.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a plan sectional view of the present invention;

FIG. 3 is a structural view of the inner wall of the protection ring of the present invention;

fig. 4 is an enlarged view of part a of the present invention.

In the figure: 1. a bearing body; 2. an outer ring; 3. a first seal ring; 4. a ball bearing; 5. a second seal ring; 6. an inner ring; 7. a first cooling pipe; 8. a second cooling pipe; 9. a frame sleeve; 10. a holder; 11. mounting blocks; 12. mounting grooves; 13. a water inlet; 14. a port plug; 15. fastening a bolt; 16. a guard ring; 17. a clamping block; 18. a clamping groove.

Detailed Description

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

Referring to fig. 1-4, in this embodiment: an angular contact ball bearing comprises a bearing body 1, wherein an outer ring 2 is arranged outside the bearing body 1, a first sealing ring 3 is arranged on the inner surface wall of the outer ring 2, balls 4 are arranged on the inner surface wall of the first sealing ring 3, a second sealing ring 5 is arranged on one side, away from the first sealing ring 3, of each ball 4, an inner ring 6 is arranged on the inner surface wall of each second sealing ring 5, a first cooling pipe 7 is arranged inside each inner ring 6, a second cooling pipe 8 is arranged inside the outer ring 2, a frame sleeve 9 is arranged on the outer surface wall of each ball 4, a retainer 10 is arranged on one side of each frame sleeve 9, an installation block 11 is arranged at one end of each retainer 10, an installation groove 12 is formed outside each installation block 11 and located inside each frame sleeve 9, and a water inlet 13 is formed in the; by additionally arranging the first cooling pipe 7, the second cooling pipe 8 and the water inlet 13, when the bearing body 1 is used, cooling water is injected into the first cooling pipe 7 and the second cooling pipe 8 by connecting the water inlet 13, the temperature inside the bearing body 1 can be effectively reduced, the problem that internal parts of the bearing body 1 are damaged due to overhigh temperature is avoided, the internal parts are prevented from being damaged, the heat dissipation effect of the bearing body 1 is improved, the service time of the bearing body 1 is prolonged, and the practicability is enhanced; through addding installation piece 11 and mounting groove 12, when assembling bearing body 1, be connected installation piece 11 on the holder 10 with mounting groove 12 that the frame cover 9 was seted up, can make holder 10 and frame cover 9 install more firmly, if the holder 10 of a certain department damages when unable the use, the holder 10 of removable its damage position need not to change whole group holder 10 simultaneously, and easy operation is convenient, has reduced staff's the change degree of difficulty, has reduced the change time.

In this embodiment, the inside of the water inlet 13 is provided with a plug 14, and the plug 14 is hexagonal in shape; the opening plug 14 is plugged into the water inlet 13, so that cooling water can be prevented from flowing out of the cooling pipe, and waste of the cooling water is avoided. A fastening bolt 15 is arranged on the outer surface wall of the frame sleeve 9, and a bolt groove is formed outside the fastening bolt 15 and inside the frame sleeve 9; the fastening bolt 15 is screwed into the bolt groove, and can further play a role in fixing. The outer surface walls of the frame sleeve 9 and the retainer 10 are provided with a protective ring 16, and the protective ring 16 is circular; the retainer 16 prevents dust and impurities from falling on the outer surface wall of the ball 4, and prevents the problem of damage to the ball 4. A fixture block 17 is arranged on the inner surface wall of the protective ring 16, and a clamping groove 18 is formed in the outer surface wall of the fixture block 17, which is positioned outside the frame sleeve 9; through the cooperation of fixture block 17 and draw-in groove 18, can install and dismantle guard ring 16, easy operation is convenient. The mounting blocks 11 are quadrilateral, the number of the mounting blocks 11 is a plurality of groups, and the number of the mounting grooves 12 is matched with the number of the mounting blocks 11; when the bearing body 1 is assembled, the mounting blocks 11 on the retainer 10 are connected with the mounting grooves 12 formed in the frame sleeve 9, so that the retainer 10 and the frame sleeve 9 can be mounted more firmly. The first cooling pipe 7 and the second cooling pipe 8 are circular in shape, and the circumference of the second cooling pipe 8 is larger than that of the first cooling pipe 7; the cooling water is injected into the first cooling pipe 7 and the second cooling pipe 8, so that the temperature inside the bearing body 1 can be effectively reduced, and the problem that internal parts of the bearing body 1 are damaged due to overhigh temperature is avoided. The first sealing ring 3 and the second sealing ring 5 are circular, and the thickness of the first sealing ring 3 is the same as that of the second sealing ring 5; the first and

second sealing rings

3, 5 can seal the connection between the balls 4 and the outer and inner rings 2, 6.

The utility model discloses a theory of operation and use flow: when the angular contact ball bearing is used, firstly, a bearing body 1 is installed on a corresponding machine, and by additionally arranging a first cooling pipe 7, a second cooling pipe 8 and a water inlet 13, when the bearing body 1 is used, cooling water is injected into the first cooling pipe 7 and the second cooling pipe 8 by connecting the water inlet 13, so that the temperature inside the bearing body 1 can be effectively reduced, the problem that internal parts of the bearing body 1 are damaged due to overhigh temperature is solved, the internal parts are prevented from being damaged, the heat dissipation effect of the bearing body 1 is improved, the service time of the bearing body 1 is prolonged, and the practicability is enhanced; through addding installation piece 11 and mounting groove 12, when assembling bearing body 1, be connected installation piece 11 on the holder 10 with the mounting groove 12 that frame cover 9 seted up, can make holder 10 and frame cover 9 install more firmly, simultaneously if the holder 10 of a certain department damages when unable the use, the holder 10 of removable its damaged part, need not to change whole group holder 10, easy operation is convenient, staff's the change degree of difficulty has been reduced, the change time has been reduced, furthermore, guard ring 16 can prevent that dust impurity from dropping on ball 4's exterior wall, the problem of causing the damage to ball 4 has been prevented, cooperation through fixture block 17 and draw-in groove 18, can install and dismantle guard ring 16, easy operation is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An angular contact ball bearing comprising a bearing body (1), characterized in that: the outer ring (2) is arranged outside the bearing body (1), a first sealing ring (3) is arranged on the inner surface wall of the outer ring (2), balls (4) are arranged on the inner surface wall of the first sealing ring (3), a second sealing ring (5) is arranged on one side, away from the first sealing ring (3), of each ball (4), an inner ring (6) is arranged on the inner surface wall of each second sealing ring (5), a first cooling pipe (7) is arranged inside each inner ring (6), a second cooling pipe (8) is arranged inside each outer ring (2), a frame sleeve (9) is arranged on the outer surface wall of each ball (4), a retainer (10) is arranged on one side of each frame sleeve (9), an installation block (11) is arranged at one end of each retainer (10), an installation groove (12) is formed in the outer portion of each installation block (11) and located inside each frame sleeve (9), and the outer surface walls of the outer ring (2) and the inner ring (6) are provided with water inlets (13).

2. An angular contact ball bearing according to claim 1, wherein: the water inlet (13) is internally provided with a plug (14), and the plug (14) is hexagonal.

3. An angular contact ball bearing according to claim 1, wherein: fastening bolts (15) are arranged on the outer wall of the frame sleeve (9), and bolt grooves are formed in the outer portions, located inside the frame sleeve (9), of the fastening bolts (15).

4. An angular contact ball bearing according to claim 1, wherein: the outer surface walls of the frame sleeve (9) and the retainer (10) are provided with protective rings (16), and the protective rings (16) are circular.

5. An angular contact ball bearing according to claim 4, wherein: the inner surface wall of the protection ring (16) is provided with a clamping block (17), and the outer surface wall of the outer part of the clamping block (17) and the outer surface wall of the frame sleeve (9) is provided with a clamping groove (18).

6. An angular contact ball bearing according to claim 1, wherein: the shape of installation piece (11) is the quadrangle, the quantity of installation piece (11) is a plurality of groups, the quantity of mounting groove (12) and the quantity phase-match of installation piece (11).

7. An angular contact ball bearing according to claim 1, wherein: the first cooling pipe (7) and the second cooling pipe (8) are circular in shape, and the circumference of the second cooling pipe (8) is larger than that of the first cooling pipe (7).

8. An angular contact ball bearing according to claim 1, wherein: the shape of first sealing washer (3) and second sealing washer (5) is circular, the thickness of first sealing washer (3) is the same with the thickness of second sealing washer (5).