CN210106404U

CN210106404U - Deep groove ball bearing

Info

Publication number: CN210106404U
Application number: CN201920652683.7U
Authority: CN
Inventors: 葛波达; 赵永辉
Original assignee: Ningbo Zhenhai Engel Bearing Co Ltd
Current assignee: Ningbo Zhenhai Engel Bearing Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-02-21
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a deep groove ball bearing, including outer lane, holder, steel ball and inner circle, the inside of outer lane evenly is provided with the preformed hole, holder fixed mounting is in the inboard of outer lane, the back at the holder is installed to the steel ball, the inboard at the holder is installed to the inner circle, the inside of outer lane evenly is provided with the preformed groove, and the inside of preformed groove is provided with the connecting block, the fixed surface welding of connecting block has the mount, and the fixed storage cavity that is provided with in inside of mount, sealed lid is installed on the left side top of mount, the screw is all installed to the surperficial both sides of mount. The utility model discloses be provided with and block ball and mount, the steel ball when rotating not with the inner wall contact of outer lane, can store more lubricating grease through storage cavity, so do not need often to fill out the fat, the operation mount makes and blocks the inside that the ball retracted the preformed groove, the activity space grow of steel ball, dismantles the holder and is convenient for the steel ball and takes off.

Description

Deep groove ball bearing

Technical Field

The utility model relates to a deep groove ball bearing technical field specifically is a deep groove ball bearing.

Background

The deep groove ball bearing is the most representative rolling bearing, has the advantages of small friction coefficient, high limit rotating speed, simple structure, low manufacturing cost, easy achievement of higher manufacturing precision, various size ranges and forms, and is widely used as a gearbox bearing, and comprises an outer ring, an inner ring, a steel ball and a retainer.

At present, the steel ball is when the raceway friction in the outer lane, makes the outer lane inner wall damage because of being heated the atress easily, needs to change new outer lane and guarantees equipment operation precision, not only influences the normal operation of equipment to increased the bearing cost, when lubricating grease was not enough in the bearing simultaneously, the loss can aggravate to the bearing, so need often fill out the fat, reduced the availability factor of bearing, the common assembly method of bearing mainly has two kinds in addition: one is to load the steel ball by elastically deforming the ferrule through external force, and the other is to load the steel ball by processing an arc-shaped notch on the end face of the ferrule, so that the steel ball is not conveniently taken down in both modes, and the maintenance difficulty is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deep groove ball bearing to the easy problem of damaging, the bearing need often be filled out fat and the difficult taking off of steel ball by the steel ball friction of the outer lane inner wall that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a deep groove ball bearing comprises an outer ring, a retainer, steel balls and an inner ring, wherein preformed holes are uniformly formed in the outer ring, the retainer is fixedly installed on the inner side of the outer ring, the steel balls are installed on the back surface of the retainer, the inner ring is installed on the inner side of the retainer, preformed grooves are uniformly formed in the outer ring, connecting blocks are arranged in the preformed grooves, a fixing frame is welded on the surface of each connecting block in a fixed mode, a storage cavity is fixedly formed in the fixing frame, a sealing cover is installed at the top end of the left side of the fixing frame, screws are installed on two sides of the surface of the fixing frame, nuts are installed on the back surface of the screws, multiple circuitous channels are arranged in the connecting blocks, a flowing cavity is formed in the bottom end of each connecting block, a blocking ball is welded on the bottom end, the bottom surface welding of titanium boride layer has the titanium carbide layer, and the bottom surface of titanium carbide layer is connected with wear-resisting coating.

Preferably, the inner wall of the preformed groove is a smooth surface, the connecting block is inserted into the preformed groove, and the connecting block and the preformed groove form a sliding structure.

Preferably, the left side of the top end of the storage cavity is provided with an external thread butt joint, and the inner wall of the sealing cover is provided with an internal thread matched with the external thread at the top end of the storage cavity for use.

Preferably, a through hole is formed in the back of the bottom end of the storage chamber, and the through hole is communicated with the top end of the multiple circuitous channels, and the multiple circuitous channels are in an S-shaped hollow structure.

Preferably, both sides of the inside of the fixing frame are provided with holes, and the positions of the holes correspond to the positions of the reserved holes.

Preferably, the flow cavity is a cylindrical hollow structure, and the inner top end of the flow cavity is communicated with the bottom end of the multiple circuitous channels.

Compared with the prior art, the beneficial effects of the utility model are that: the deep groove ball bearing is provided with the blocking ball and the fixing frame, the steel ball is in surface friction with wear-resistant paint when rotating, does not contact with the inner wall of the outer ring, more lubricating grease can be stored through the storage cavity, frequent grease filling is not needed, the blocking ball is operated to retract the blocking ball into the reserved groove, the moving space of the steel ball is enlarged, and the steel ball is convenient to take down after the retainer is detached.

(1) The device makes the bottom of blocking the ball exceed the inner wall through stopping ball and mount, through operation mount, and steel ball and wear-resistant coating's surface friction when rotating, not with the inner wall contact of outer lane, has prolonged the life of outer lane, the cost is reduced.

(2) The device can store more lubricating grease through the storage chamber, has slowed down the volatile situation of lubricating grease through multiple circuitous passageway, so does not need often to fill out fat, has improved the availability factor of bearing.

(3) The device passes through the mount and blocks the ball, and the operation blocks the ball and makes and blocks the inside that the ball retracted the preformed groove, and the activity space grow of steel ball dismantles the holder and is convenient for the steel ball and take off, has reduced the degree of difficulty of maintenance.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic front sectional view of the storage chamber and the fixing frame structure of the present invention;

FIG. 3 is a schematic front sectional view of a conventional structure of multiple circuitous channels and connecting blocks according to the present invention;

FIG. 4 is a schematic sectional view of the multiple detour channels and the connecting block in the use state of the present invention;

FIG. 5 is a schematic top sectional view of the sealing cover and the fixing frame of the present invention;

fig. 6 is a schematic front view of the structure of the blocking ball and the titanium boride layer.

In the figure: 1. an outer ring; 2. a holder; 3. steel balls; 4. an inner ring; 5. reserving a hole; 6. reserving a groove; 7. a sealing cover; 8. a storage chamber; 9. a fixed mount; 10. a screw; 11. multiple circuitous channels; 12. a blocking ball; 13. a flow cavity; 14. connecting blocks; 15. a nut; 16. a titanium boride layer; 17. a titanium carbide layer; 18. wear-resistant paint.

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. 1-6, the present invention provides an embodiment: the utility model provides a deep groove ball bearing, including outer lane 1, holder 2, steel ball 3 and inner circle 4, the inside of outer lane 1 evenly is provided with

preformed hole

5, 2 fixed mounting of holder is in the inboard of outer lane 1, the back at holder 2 is installed to steel ball 3, the inboard at holder 2 is installed to inner circle 4, the inside of outer lane 1 evenly is provided with preformed groove 6, and the inside of preformed groove 6 is provided with connecting block 14, the inner wall of preformed groove 6 is the smooth surface, connecting block 14 inserts the inside of locating preformed groove 6, connecting block 14 constitutes the slidingtype structure with preformed groove 6, connecting block 14 can slide from top to bottom.

The surface of the connecting block 14 is fixedly welded with a fixing frame 9, a storage cavity 8 is fixedly arranged in the fixing frame 9, the storage cavity 8 only exists at the upper half position of the outer ring 1, the left side of the top end of the storage cavity 8 is provided with an external thread butt joint, the inner wall of the sealing cover 7 is provided with an internal thread matched with the external thread at the top end of the storage cavity 8, the sealing cover 7 ensures the sealing property of the top end of the storage cavity 8, the back of the bottom end of the storage cavity 8 is provided with a through hole communicated with the top end of the multiple circuitous channel 11, the multiple circuitous channel 11 is of an S-shaped hollow structure, the volatilization and flow of lubricating grease are slowed down by the shape of the multiple circuitous channel 11, the utilization rate of the lubricating grease is improved, the sealing cover 7 is arranged at the top end of the, and the position of the pore space corresponds to the position of the preformed hole 5, the height of the fixing frame 9 can be adjusted through the two groups of preformed holes 5, so that the height of the blocking ball 12 can be adjusted, and the blocking ball 12 is in an extending state or a contracting state.

The back surface of the screw 10 is provided with a nut 15, multiple circuitous channels 11 are arranged inside the connecting block 14, a flowing cavity 13 is arranged inside the bottom end of the connecting block 14, the flowing cavity 13 is of a cylindrical hollow structure, the top end inside the flowing cavity 13 is communicated with the bottom end of the multiple circuitous channels 11, lubricating grease inside the multiple circuitous channels 11 flows to two sides of the top end of a titanium boride layer 16 through the flowing cavity 13, the lubricating grease flows to the surface of the titanium boride layer 16 under the action of gravity and is convenient to use, the bottom end of the connecting block 14 is fixedly welded with a blocking ball 12, the bottom end surface of the blocking ball 12 is connected with the titanium boride layer 16, the bottom end surface of the titanium boride layer 16 is welded with a titanium carbide layer 17, the bottom end surface of the titanium carbide layer 17 is connected with a wear-resistant coating 18, the wear-resistant coating 18 is a novel functional coating with, The crack resistance is strong, and thus the friction resistance of the barrier ball 12 is strong.

The working principle is as follows: when the bearing is not used, the fixing frame 9 and the blocking ball 12 are the structures shown in the attached drawing 3, when the bearing is used, the screws 10 at the two ends of the surface of the fixing frame 9 are rotationally disassembled, the fixing frame 9 moves downwards, the fixing frame 9 drives the connecting block 14 and the blocking ball 12 to move downwards simultaneously, the bottom end of the blocking ball 12 exceeds the inner wall range of the outer ring 1, the blocking ball 12 presses the steel ball 3 downwards, the hole in the fixing frame 9 corresponds to the other group of the reserved hole 5, the screw 10 and the nut 15 are installed, the position of the fixing frame 9 is fixed, the position of the blocking ball 12 is fixed simultaneously, when the steel ball 3 rotates, the fixing frame 9 and the blocking ball 12 are the structures shown in the attached drawing 4, the steel ball 3 always rubs against the titanium boride layer 16 at the bottom end of the blocking ball 12, the direct friction between the steel ball 3 and the inner wall of the outer ring 1 is avoided, the service life of the, the fixing frame 9 and the connecting block 14 move upwards simultaneously, the fixing frame 9 is fixed on the surface of the preformed hole 5, the blocking ball 12 contracts back into the preformed groove 6, the moving space of the steel ball 3 is enlarged, and the steel ball 3 can be directly taken out after the lower retainer 2 is detached.

When lubricating grease needs to be added to the bearing, the sealing cover 7 is rotated to open, the lubricating grease is poured into the storage chamber 8, the sealing cover 7 is further rotatably installed, the top end of the storage chamber 8 is in a sealed state, volatilization of the lubricating grease is avoided, the back face of the storage chamber 8 is communicated with the top end of the multiple circuitous channel 11, the lubricating grease flows into the multiple circuitous channel 11 from the storage chamber 8 under the action of gravity, the top end of the inside of the flowing cavity 13 is communicated with the bottom end of the multiple circuitous channel 11, the lubricating grease flows out of the surface of the blocking ball 12 through the flowing cavity 13 to lubricate the bearing, volatilization and flowing conditions of the lubricating grease are relieved through the multiple circuitous channel 11, the bearing does not need to be filled with the lubricating grease frequently through the storage chamber 8, and the.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a deep groove ball bearing, includes outer lane (1), holder (2), steel ball (3) and inner circle (4), its characterized in that: the inner part of the outer ring (1) is uniformly provided with preformed holes (5), the retainer (2) is fixedly arranged on the inner side of the outer ring (1), the steel balls (3) are arranged on the back surface of the retainer (2), the inner ring (4) is arranged on the inner side of the retainer (2), the inner part of the outer ring (1) is uniformly provided with preformed grooves (6), the inner part of each preformed groove (6) is provided with a connecting block (14), the surface of each connecting block (14) is fixedly welded with a fixing frame (9), the inner part of each fixing frame (9) is fixedly provided with a storage chamber (8), the top end of the left side of each fixing frame (9) is provided with a sealing cover (7), the two sides of the surface of each fixing frame (9) are provided with screws (10), the back surface of each screw (10) is provided with a nut (15), the inner part, the bottom of connecting block (14) is inside to be provided with mobile cavity (13), the fixed welding in bottom of connecting block (14) has and blocks ball (12), and blocks the bottom surface of ball (12) and be connected with titanium boride layer (16), the bottom surface welding of titanium boride layer (16) has titanium carbide layer (17), and the bottom surface connection of titanium carbide layer (17) has wear-resistant coating (18).

2. The deep groove ball bearing of claim 1, wherein: the inner wall of the preformed groove (6) is a smooth surface, the connecting block (14) is inserted into the preformed groove (6), and the connecting block (14) and the preformed groove (6) form a sliding structure.

3. The deep groove ball bearing of claim 1, wherein: the top left side of storage cavity (8) is provided with the external screw thread interface, the inner wall of sealed lid (7) is provided with the internal thread that cooperatees the use with storage cavity (8) top external screw thread.

4. The deep groove ball bearing of claim 1, wherein: the back of the bottom end of the storage chamber (8) is provided with a through hole which is communicated with the top end of a multiple circuitous channel (11), and the multiple circuitous channel (11) is of an S-shaped hollow structure.

5. The deep groove ball bearing of claim 1, wherein: the two sides of the inside of the fixing frame (9) are provided with holes, and the positions of the holes correspond to the positions of the preformed holes (5).

6. The deep groove ball bearing of claim 1, wherein: the flow cavity (13) is of a cylindrical hollow structure, and the top end of the interior of the flow cavity (13) is communicated with the bottom end of the multiple circuitous channels (11).