CN215171529U

CN215171529U - High-temperature-resistant deep groove ball bearing

Info

Publication number: CN215171529U
Application number: CN202120797410.9U
Authority: CN
Inventors: 牛士成
Original assignee: Shandong Watt Bearing Co ltd
Current assignee: Shandong Watt Bearing Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-12-14
Anticipated expiration: 2031-04-19

Abstract

The utility model provides a high temperature resistant deep groove ball bearing inner ring; the bearing retainer is arranged on the outer surface of the inner ring, a graphite isolating block is fixedly arranged on the outer surface of the bearing retainer, and balls are arranged on two sides of the graphite isolating block; the outer ring is arranged on the outer surface of the bearing retainer, and dust covers are fixedly arranged on two sides of the bearing retainer. The utility model provides a high temperature resistant deep groove ball bearing, through adopting high temperature resistant graphite material as the spacing block, the graphite spacing block is lubricated effectual, receives lubricated effect when the ball rotates, and is efficient, can not produce harmful gas under the high temperature, harmless to environment and human body; the surfaces of the bearing retainer, the ball, the dust cover and the like are all subjected to manganese phosphating treatment, so that the corrosion at high temperature can be prevented, and the running performance can be improved; the design of the dustproof cover prevents solid impurities from invading into the bearing, and prolongs the service life of the bearing; the large clearance is adopted, so that the bearing can be prevented from being clamped at high temperature or after being rapidly cooled.

Description

High-temperature-resistant deep groove ball bearing

Technical Field

The utility model relates to a bearing field especially relates to a high temperature resistant deep groove ball bearing.

Background

The deep groove ball bearing is suitable for running at high rotating speed or extremely high rotating speed, is very durable, does not need frequent maintenance, has small friction coefficient, high limit rotating speed and various size ranges and forms, is applied to industries such as precision instruments, low-noise motors, automobiles, motorcycles, general machinery and the like, is the most widely used bearing in the mechanical industry, mainly bears radial load and also can bear a certain amount of axial load.

At present, stamping retainers inside bearings of deep groove ball bearings adopted in domestic cold bed work are generally made of steel plates or brass, but the retainers of the two bearings are not high-temperature resistant, the adaptive operation temperature of the current deep groove ball bearings is between-30 ℃ and +120 ℃, and the service life of the deep groove ball bearings is short under the high-temperature condition.

When the deep groove ball bearing works under the high-temperature condition, the balls of the deep groove ball bearing can be clamped in the inner ring and the outer ring under the action of thermal expansion, so that the deep groove ball bearing cannot be used or the service life of the deep groove ball bearing is shortened, and the lubricant can be evaporated at high temperature, which obviously hinders the wider transportation of the deep groove ball bearing.

Therefore, it is necessary to provide a high temperature resistant deep groove ball bearing to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high temperature resistant deep groove ball bearing, the ball of having solved deep groove ball bearing under the thermal expansion effect, can block and die including in the outer lane and can not use or shorten life, and emollient can be by the problem of high temperature evaporation.

In order to solve the technical problem, the utility model provides a pair of high temperature resistant deep groove ball bearing, include: an inner ring;

the bearing retainer is arranged on the outer surface of the inner ring, a graphite isolating block is fixedly arranged on the outer surface of the bearing retainer, and balls are arranged on two sides of the graphite isolating block;

the outer ring is arranged on the outer surface of the bearing retainer, and dust covers are fixedly mounted on two sides of the bearing retainer.

The outer surface of the top of the inner ring and the outer surface of the bottom of the outer ring are both in contact with the balls, and the balls are sleeved inside the bearing retainer, but the top and the bottom of the outer surface of the balls can be connected with the inner ring and the outer ring.

Preferably, the interior of the dust cover is provided with a sealing device, and the sealing device comprises a blocking rod.

The sealing device is embedded into the inner surface of the oil filling hole, so that the oil filling hole is blocked to prevent oil from leaking.

Preferably, a sealing gasket is fixedly arranged on the outer surface of the blocking rod.

The sealing gasket is a layer of sealing membrane which is wound on the outer surface of the plugging rod and spirally ascends.

Preferably, one side of the blocking rod is fixedly connected with a blocking block.

The block is arranged on the outer surface of the dust cover.

Preferably, both sides of the top of the inner ring and both sides of the bottom of the outer ring are provided with fixing grooves.

In the surface edge embedding fixed slot of shield, in the internal surface edge also imbeds the fixed slot, the fixed slot sets up two, in the both sides of outer lane internal surface, two fixed slots have also been set up to the both sides of inner circle surface.

Preferably, one side of the dustproof cover is fixedly provided with an embedded block, and the outer surface of the embedded block is provided with a dustproof pad.

The embedded block is arranged on one side of the dustproof cover close to the ball.

Preferably, the other end of the embedded block is fixedly connected with a sealing ring.

The sealing ring can prevent the liquid lubricating liquid inside from flowing out.

Preferably, the two sides of the graphite isolation block are fixedly provided with fixing blocks.

The fixed block sets up in the both sides of graphite spacing block, and the graphite spacing block is trapezoidal, and the fixed block is on the hypotenuse of trapezoidal both sides, but does not disturb the rotation of ball.

Preferably, one side of the fixing block is provided with an engaging tooth groove.

The meshing tooth socket and the dustproof pad are matched with each other, and the dustproof pad is meshed with each other along with the rotation of the embedded block.

Compared with the prior art, the utility model provides a pair of high temperature resistant deep groove ball bearing has following beneficial effect:

the utility model provides a high temperature resistant deep groove ball bearing, through adopting high temperature resistant graphite material as the spacing block, the graphite spacing block is lubricated effectual, receives lubricated effect when the ball rotates, and is efficient, can not produce harmful gas under the high temperature, harmless to environment and human body; the surfaces of the bearing retainer, the ball, the dust cover and the like are all subjected to manganese phosphating treatment, so that the corrosion at high temperature can be prevented, and the running performance can be improved; the design of the dustproof cover prevents solid impurities from invading into the bearing, and prolongs the service life of the bearing; the large clearance is adopted, so that the bearing can be prevented from being clamped at high temperature or after being rapidly cooled.

The utility model provides a high temperature resistant deep groove ball bearing through increasing sealing device in the shield, increases liquid lubrication under the graphite solid lubrication effect, and liquid lubricant is sealed by the sealing washer, and sealed pad and sealing washer can strengthen the leakproofness, and the meshing tooth's socket that prevents dust simultaneously fills up and the fixed block forms dustproof construction, blocks outside dust.

Drawings

Fig. 1 is a schematic structural view of a high temperature resistant deep groove ball bearing according to a first embodiment of the present invention;

FIG. 2 is an interior view of the inner race shown in FIG. 1;

fig. 3 is a schematic structural view of a second embodiment of a high temperature resistant deep groove ball bearing provided by the present invention;

FIG. 4 is a cross-sectional view of the outer race shown in FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is an enlarged view of the portion B shown in fig. 4.

Reference numbers in the figures: 1. the bearing comprises an inner ring, 2, a bearing retainer, 3, balls, 4, an outer ring, 5, a dust cover, 6, a graphite isolation block, 7, a sealing device, 71, a plugging rod, 72, a sealing gasket, 73, a plugging block, 8, a fixing groove, 9, an embedding block, 10, a dust pad, 11, a sealing ring, 12, a fixing block, 13, a meshing tooth groove, 14 and an oil injection hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a high temperature resistant deep groove ball bearing according to a first embodiment of the present invention; fig. 2 is an internal view of the inner ring shown in fig. 1. A high temperature resistant deep groove ball bearing comprising: an inner ring 1;

the bearing retainer 2 is arranged on the outer surface of the inner ring 1, a graphite isolating block 6 is fixedly arranged on the outer surface of the bearing retainer 2, and balls 3 are arranged on two sides of the graphite isolating block 6;

and the outer ring 4 is arranged on the outer surface of the bearing retainer 2, and dust covers 5 are fixedly arranged on two sides of the bearing retainer 2.

Thus, the inner ring 1 and the outer ring 4 rotate while rubbing the balls 3 inside, and since the balls 3 are rotatable in the bearing holder 2, both the inner ring 1 and the outer ring 4 are rotatable.

The utility model provides a pair of high temperature resistant deep groove ball bearing's theory of operation as follows:

when the bearing works, the inner ring 1 and the outer ring 4 rotate through the balls 3, and the graphite isolation blocks 6 are used as solid lubricants while the balls 3 rotate continuously, so that the bearing has no stop feeling and has a good effect.

the utility model provides a high temperature resistant deep groove ball bearing, through adopting high temperature resistant graphite material as the spacing block, the graphite spacing block 6 is lubricated effectual, receives lubricated effect when ball 3 rotates, and is efficient, can not produce harmful gas under the high temperature, harmless to environment and human body; the surfaces of the bearing retainer 2, the ball 3, the dust cover 5 and the like are all subjected to manganese phosphating treatment, so that the corrosion at high temperature can be prevented, and the running performance can be improved; the design of the dustproof cover 5 prevents solid impurities from invading into the bearing, and prolongs the service life of the bearing; the large clearance is adopted, so that the bearing can be prevented from being clamped at high temperature or after being rapidly cooled.

Second embodiment

Referring to fig. 3, 4, 5 and 6, a second embodiment of the present application provides another high temperature resistant deep groove ball bearing based on the high temperature resistant deep groove ball bearing provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the second embodiment of the present application provides a high temperature resistant deep groove ball bearing, which is different in that, in the high temperature resistant deep groove ball bearing, the inside of the dust cover 5 is provided with the sealing device 7, and the sealing device 7 includes the blocking rod 71.

And a sealing gasket 72 is fixedly arranged on the outer surface of the blocking rod 71.

The packing 72 prevents the liquid lubricant from seeping out and allows the stopper rod 71 to be taken out to add the lubricant to the inside.

One side of the blocking rod 71 is fixedly connected with a blocking block 73.

The blocking piece 73 plays a certain role in dust prevention, and the blocking rod 71 can be pulled out through the blocking piece 73.

And fixing grooves 8 are formed in the two sides of the top of the inner ring 1 and the two sides of the bottom of the outer ring 4.

The dustproof covers 5 are arranged in two, the left side and the right side are respectively provided with one dustproof cover, the edges of the dustproof covers are respectively embedded into the fixing grooves 8 of the inner ring 1 and the outer ring 4, and the number of the fixing grooves 8 is four.

One side of the dust cover 5 is fixedly provided with an embedded block 9, and the outer surface of the embedded block 9 is provided with a dust pad 10.

The dust-proof pad 10 can prevent dust from sticking to the surface of the ball 3, causing abrasion of the ball 3.

The other end of the embedded block 9 is fixedly connected with a sealing ring 11.

And fixed blocks 12 are fixedly arranged on both sides of the graphite isolating block 6.

One side of the fixed block 12 is provided with an engaging tooth groove 13.

The embedded block 9 is plugged in, and the dustproof pad 10 and the meshing tooth groove 13 form a sealing state to prevent the liquid lubricant from flowing out.

during operation, firstly, liquid lubricating oil is injected into the ball 3 through the oil filling hole 14 on the surface of the dustproof cover 5, then the blocking rod 71 is plugged into the oil filling hole 14, the sealing gasket 72 on the surface of the blocking rod 71 seals the inside of the oil filling hole 14, the oil cannot flow back, and the dustproof gasket 10 is arranged on the outer surface of the embedded block 9 at the bottom of the dustproof cover 5 and can prevent external dust from entering the inside of the bearing retainer 2.

the utility model provides a high temperature resistant deep groove ball bearing through increasing sealing device 7 in shield 5, increases liquid lubrication under the graphite solid lubrication effect, and liquid lubrication is sealed by sealing washer 11, and sealed pad 72 and sealing washer 11 can strengthen the leakproofness, and the meshing tooth's socket 13 on dustproof pad 10 and the fixed block 12 forms dustproof construction simultaneously, blocks outside dust.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A high temperature resistant deep groove ball bearing, comprising: an inner ring;

2. The high temperature resistant deep groove ball bearing of claim 1, wherein the dust cap is provided with a sealing means inside, the sealing means comprising a stopper rod.

3. The high temperature resistant deep groove ball bearing of claim 2, wherein a sealing gasket is fixedly mounted on the outer surface of the blocking rod.

4. The high temperature resistant deep groove ball bearing of claim 2, wherein a blocking block is fixedly connected to one side of the blocking rod.

5. The high temperature resistant deep groove ball bearing of claim 1, wherein both sides of the top of the inner ring and both sides of the bottom of the outer ring are provided with fixing grooves.

6. The high-temperature-resistant deep groove ball bearing as claimed in claim 1, wherein an embedded block is fixedly installed at one side of the dust cover, and a dust pad is arranged on the outer surface of the embedded block.

7. The high temperature resistant deep groove ball bearing of claim 6, wherein a sealing ring is fixedly connected to the other end of the embedded block.

8. The high temperature resistant deep groove ball bearing of claim 1, wherein fixed blocks are fixedly mounted on both sides of the graphite isolation block.

9. The high temperature resistant deep groove ball bearing of claim 8, wherein one side of the fixing block is provided with an engaging tooth groove.