CN208997190U - A kind of combined bearing - Google Patents
A kind of combined bearing Download PDFInfo
- Publication number
- CN208997190U CN208997190U CN201821558248.XU CN201821558248U CN208997190U CN 208997190 U CN208997190 U CN 208997190U CN 201821558248 U CN201821558248 U CN 201821558248U CN 208997190 U CN208997190 U CN 208997190U
- Authority
- CN
- China
- Prior art keywords
- ball
- bearing
- outer ring
- ball bearing
- needle roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 14
- 239000010687 lubricating oil Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of combined bearings, including ball bearing outer ring, ball bearing inner race, ball and needle roller, the ball bearing inner race is provided on the inside of the ball bearing outer ring, outer ring ball groove is formed on the inside of the ball bearing outer ring, ball bearing oil storage tank is formed between the outer ring ball groove, inner ring ball groove is formed on the outside of the ball bearing inner race, keyway is formed on the inside of the ball bearing inner race, the ball is provided between the outer ring ball groove and the inner ring ball groove, the ball periphery is provided with ball retainer.Beneficial effect is: the utility model goes out oil groove by setting ball bearing oil storage tank and end bearing, it may insure that Bearing inner stores enough lubricating oil, enhance its service performance, pass through setting double row ball and the cooperation of single-row needle roller simultaneously, it may insure that this combined bearing can bear biggish axially and radially load, expand its use scope.
Description
Technical field
The utility model relates to technical field of bearings, and in particular to a kind of combined bearing.
Background technique
Bearing is a kind of important spare part in contemporary mechanical equipment, its major function is to support mechanical rotary body, is reduced
Coefficient of friction in its motion process, and guarantee its rotating accuracy, it may also be said to, when other parts generate relatively each other on axis
When movement, for reducing the coefficient of friction in power transmission process and the parts of holding shaft center fixation, bearing is the present age
A kind of very important components in mechanical equipment, according to the difference of the friction properties of the moving elements, bearing can be divided into rolling bearing and
Two class of sliding bearing, sliding bearing due to frictional force is larger, service life is low etc. using less, but traditional axis of rolling
It holds often due to lubricant effect is bad, and its service performance is caused to substantially reduce, while traditional bearing is opposite since structure designs
It is more single, larger radial and axial load cannot be born simultaneously, just seemed when needing and bearing compared with big load and caught a little
Girdle is shown in elbow.
Summary of the invention
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that it is bad to solve traditional bearing lubricant effect for a kind of combined bearing
And the problem of causing the reduction of its service performance and traditional bearing that cannot bear larger radial and axial load simultaneously.
(2) technical solution
The utility model is achieved through the following technical solutions: the utility model proposes a kind of combined bearings, including ball
Bearing outer ring, ball bearing inner race, ball and needle roller, the ball bearing outer ring inside are provided with the ball bearing inner race, the ball
Outer ring ball groove is formed on the inside of bearing outer ring, ball bearing oil storage tank, the ball are formed between the outer ring ball groove
Inner ring ball groove is formed on the outside of bearing inner race, forms keyway, the outer ring ball groove on the inside of the ball bearing inner race
The ball is provided between the inner ring ball groove, the ball periphery is provided with ball retainer, and the ball is protected
It holds frame side and is provided with dustproof baffle shield support, the dustproof baffle shield support side is provided with ball bearing dustproof baffle shield, the ball axis
It holds inner ring side and forms second end bearings plate, second end bearings plate side is provided with first end bearing support
Plate, the second end bearings plate and the first end bearings plate opposite side are provided with needle roller and lead slot, the rolling
Needle leads and forms end bearing oil storage tank on slot, and the needle roller leads slot and is internally provided with the needle roller, and the needle roller periphery is set
It is equipped with cages for needle, end bearing dustproof baffle shield is provided on the outside of the cages for needle.
Further, the ball bearing outer ring and the ball, which roll, connects, and the ball bearing inner race and the ball roll
Dynamic connection.
Further, the first end bearings plate and the needle roller, which roll, connects, the second end bearings plate
It rolls and connects with the needle roller.
Further, the ball retainer and the ball, which roll, connects, and the cages for needle and the needle roller roll
Dynamic connection.
Further, the ball bearing dustproof baffle shield passes through dustproof baffle shield support connection with the ball.
Further, the ball bearing outer ring, the ball bearing inner race, the first end bearings plate and described second
The material of end bearing support plate is bearing steel.
Further, the material of the ball and the needle roller is the structural steel by modifier treatment, and surface roughness is not
Lower than Ra0.4.
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
1, to solve the problems, such as that traditional bearing lubricant effect is bad and leads to the reduction of its service performance, the utility model passes through
Setting ball bearing oil storage tank and end bearing go out oil groove, it can be ensured that Bearing inner stores enough lubricating oil, enhances its use
Performance；
2, larger radial and axial load cannot be born simultaneously to solve the problem of that the design of traditional bearing structure is single, this
Utility model passes through setting double row ball and the cooperation of single-row needle roller, it can be ensured that this combined bearing can bear biggish axial direction
And radial load, expand its use scope.
Detailed description of the invention
Fig. 1 is a kind of main sectional view of combined bearing described in the utility model；
Fig. 2 is a kind of left cross-sectional view of combined bearing described in the utility model；
Fig. 3 is the main sectional view of ball bearing outer ring in a kind of combined bearing described in the utility model；
Fig. 4 is the main sectional view of ball bearing inner race in a kind of combined bearing described in the utility model.
The reference numerals are as follows:
1, ball bearing outer ring；2, ball bearing inner race；3, keyway；4, first end bearings plate；5, second end bearing support
Plate；6, ball；7, ball retainer；8, ball bearing dustproof baffle protects；9, end bearing dustproof baffle protects；10, needle roller；11, needle roller is kept
Frame；12, needle roller leads slot；13, outer ring ball groove；14, inner ring ball groove；15, ball bearing oil storage tank；16, end bearing is stored up
Oil groove；17, dustproof baffle shield support.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As Figure 1-Figure 4, a kind of combined bearing, including ball bearing outer ring 1, ball bearing inner race 2, ball 6 and needle roller
10, ball bearing inner race 2 is provided on the inside of ball bearing outer ring 1, and outer ring ball groove 13, outer ring are formed on the inside of ball bearing outer ring 1
Form ball bearing oil storage tank 15 between ball groove 13, ball bearing oil storage tank 15 is used to store lubricating oil, outside ball bearing inner race 2
Side forms inner ring ball groove 14, and keyway 3 is formed on the inside of ball bearing inner race 2, and keyway 3 can pass through with the axis of outside cooperation
Key connection, improves the reliability of connection, is provided with ball 6 between outer ring ball groove 13 and inner ring ball groove 14, outside ball 6
It encloses and is provided with ball retainer 7,7 side of ball retainer is provided with dustproof baffle shield support 17, and 17 sides of dustproof baffle shield support are set
It is equipped with ball bearing dustproof baffle shield 8, ball bearing dustproof baffle shield 8 plays dust-proof effect, and 2 side of ball bearing inner race forms second end
Bearings plate 5,5 side of second end bearings plate are provided with first end bearings plate 4,5 He of second end bearings plate
4 opposite side of first end bearings plate is provided with needle roller and leads slot 12, and needle roller, which is led, forms end bearing oil storage tank on slot 12
16, needle roller leads slot 12 and is internally provided with needle roller 10, and needle roller leads slot 12 and provides guiding, 10 periphery of needle roller for the rolling of needle roller 10
It is provided with cages for needle 11, the outside of cages for needle 11 is provided with end bearing dustproof baffle shield 9, and end bearing dustproof baffle protects 9
To dust-proof effect.
Wherein, ball bearing outer ring 1 and ball 6, which roll, connects, and ball bearing inner race 2 and ball 6 are rolled and connected, the first end bearing
Support plate 4 and needle roller 10, which roll, to be connected, and second end bearings plate 5 and needle roller 10 are rolled and connected, ball retainer 7 and ball 6
Connection is rolled, cages for needle 11 and needle roller 10, which roll, to be connected, and ball bearing dustproof baffle shield 8, which is protected with ball 6 by dustproof baffle, to be supported
17 connections, ball bearing outer ring 1, ball bearing inner race 2, first end bearings plate 4 and second end bearings plate 5 material be
The material of bearing steel, ball 6 and needle roller 10 is the structural steel by modifier treatment, and surface roughness is not less than Ra0.4.
The working principle for a kind of combined bearing that the utility model is mentioned: firstly, in this combined bearing assembling process
In, first ball 6 and ball retainer 7 are combined, enough lubricating oil is added inside ball bearing oil storage tank 15, so
Ball bearing inner race 2, ball bearing outer ring 1, ball 6 and ball retainer 7 are fitted together afterwards, then protect ball bearing dustproof baffle
8 are fixed on ball retainer 7 by dustproof baffle shield support 17, needle roller 10 and cages for needle 11 are combined, in turn
The assembling process to combined bearing is completed, this combination bearing is mainly used in being subjected to the ground of larger axially and radially load
Side, in the use process of bearing, needs to open up keyway 3 on the axis cooperated with ball bearing inner race 2 in advance, realizes axis by key
The connection with axis is held, so that connection is relatively reliable, enough lubricating oil is then added inside end bearing oil storage tank 16, is put into
The assembly of needle roller 10 and cages for needle 11 covers first end bearings plate 4, is then covered tightly by bearing (ball) cover, completes
To the installation process of combined bearing.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With novel claimed technology contents, it is all described in the claims.
Claims (7)
1. a kind of combined bearing, it is characterised in that: including ball bearing outer ring (1), ball bearing inner race (2), ball (6) and needle roller
(10), it is provided with the ball bearing inner race (2) on the inside of the ball bearing outer ring (1), is formed on the inside of the ball bearing outer ring (1)
Outer ring ball groove (13) forms ball bearing oil storage tank (15) between the outer ring ball groove (13), in the ball bearing
Inner ring ball groove (14) is formed on the outside of circle (2), is formed keyway (3) on the inside of the ball bearing inner race (2), the outer ring rolling
It is provided with the ball (6) between pearl groove (13) and the inner ring ball groove (14), ball (6) periphery is provided with rolling
Pearl retainer (7), ball retainer (7) side are provided with dustproof baffle shield support (17), the dustproof baffle shield support (17)
Side is provided with ball bearing dustproof baffle shield (8), and ball bearing inner race (2) side forms second end bearings plate (5), institute
Second end bearings plate (5) side is stated to be provided with first end bearings plate (4), the second end bearings plate (5) and
First end bearings plate (4) opposite side is provided with needle roller and leads slot (12), and the needle roller is led and formed on slot (12)
Have end bearing oil storage tank (16), the needle roller is led slot (12) and is internally provided with the needle roller (10), needle roller (10) periphery
It is provided with cages for needle (11), end bearing dustproof baffle shield (9) is provided on the outside of the cages for needle (11).
2. a kind of combined bearing according to claim 1, it is characterised in that: the ball bearing outer ring (1) and the rolling
Pearl (6) rolls connection, and the ball bearing inner race (2) and the ball (6), which roll, to be connected.
3. a kind of combined bearing according to claim 1, it is characterised in that: the first end bearings plate (4) with
The needle roller (10) rolls connection, and the second end bearings plate (5) and the needle roller (10), which roll, to be connected.
4. a kind of combined bearing according to claim 1, it is characterised in that: the ball retainer (7) and the rolling
Pearl (6) rolls connection, and the cages for needle (11) and the needle roller (10), which roll, to be connected.
5. a kind of combined bearing according to claim 1, it is characterised in that: the ball bearing dustproof baffle shield (8) and institute
It states ball (6) and passes through dustproof baffle shield support (17) connection.
6. a kind of combined bearing according to claim 1, it is characterised in that: the ball bearing outer ring (1), the ball axis
The material for holding inner ring (2), the first end bearings plate (4) and the second end bearings plate (5) is bearing steel.
7. a kind of combined bearing according to claim 1, it is characterised in that: the ball (6) and the needle roller (10)
Material be structural steel by modifier treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821558248.XU CN208997190U (en) | 2018-09-25 | 2018-09-25 | A kind of combined bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821558248.XU CN208997190U (en) | 2018-09-25 | 2018-09-25 | A kind of combined bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208997190U true CN208997190U (en) | 2019-06-18 |
Family
ID=66801764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821558248.XU Expired - Fee Related CN208997190U (en) | 2018-09-25 | 2018-09-25 | A kind of combined bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208997190U (en) |
-
2018
- 2018-09-25 CN CN201821558248.XU patent/CN208997190U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |