CN207598713U - A kind of bearing outer ring with dual hump curved surface outer diameter and the needle bearing without needle roller for having this bearing outer ring - Google Patents
A kind of bearing outer ring with dual hump curved surface outer diameter and the needle bearing without needle roller for having this bearing outer ring Download PDFInfo
- Publication number
- CN207598713U CN207598713U CN201721507257.1U CN201721507257U CN207598713U CN 207598713 U CN207598713 U CN 207598713U CN 201721507257 U CN201721507257 U CN 201721507257U CN 207598713 U CN207598713 U CN 207598713U
- Authority
- CN
- China
- Prior art keywords
- bearing
- outer ring
- bearing outer
- curved surface
- needle
- 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.)
- Withdrawn - After Issue
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- Rolling Contact Bearings (AREA)
Abstract
A kind of bearing outer ring with dual hump curved surface outer diameter disclosed in the utility model, which is characterized in that the positive camber of the bearing outer ring is dual hump curve form；The dual hump curve form is made of concave arc in the identical evagination circular arc of two sections of shapes and one section, and indent circular arc is located between two sections of evagination circular arcs.The invention also discloses a kind of needle bearings without needle roller with above-mentioned bearing outer ring, including above-mentioned bearing outer ring, bearing inner race and several needle rollers and it is stuck on bearing outer ring and positioned at the two panels clamp spring of bearing inner race both sides, the needle roller is integrated on the bearing inner race, and the interior rollaway nest of the bearing outer ring and the outer rollaway nest of the bearing inner race are in direct contact.The bearing outer ring curved surface outer diameter of the utility model forms compound dual hump curved surface using one section of evagination circular arc+interior concave arc+evagination circular arc, is equally coordinated with cage using envelope, make product by axial load will not clamping stagnation in cage both sides, bearing capacity raising.
Description
Technical field
High intensity is born the utility model is related to one kind, the needle bearing that the motor turning of top load is saved, more particularly to
A kind of outer ring with dual hump curved surface outer diameter and the needle bearing without needle roller for having the outer ring.
Background technology
Since needle bearing is simple in structure, large carrying capacity, structure type is adaptable, and precision and performance is continuous in addition
Improve, thus at home, it is outer it is various machinery, particularly high-end vehicles equipment in, the application of needle bearing is increasingly extensive, particularly
In some accurate process equipments and aircraft, in the drive system of superior automobile and motorcycle, steering more and more widely
Use this class bearing.
The outer diameter of needle bearing coordinates with cage into envelope, and conventional outer diameter is the curve form of certain curvature.Needle bearing
Repertoire be all to be realized by the rolling movement including needle roller, between outer rollaway nest, the bearing capacity of bearing and use the longevity
Life is decided by the transmission of power between needle roller and raceway.The performance of needle bearing is improved, main target is needle roller to be reduced and rolling
The contact in road, and it is made to be uniformly distributed the energy to give full play to material on entire contact area as far as possible in contact area
Power.
Needle bearing is all by 1 bearing outer ring 1,2 of bearing inner race 3,1 clamp spring 4,5, the needle roller of different number at present
6 form, and being covered on needle roller 6 has grease 2.In the actual production process, due to machining accuracy, needle roller length and diameter is equal
There are different degrees of errors.In actual use, under load, exist due to only a small number of length longests and straight
The needle roller of diameter maximum subjects load, makes contact area both ends that the stress state of load be presented, serious edge effect occurs, by
In the effect of this edge effect, the fatigue rupture of needle bearing usually prematurely appear in needle roller end and rolling two
Side.And for outer diameter, often occur causing axial force bigger than normal due to abnormal stress, outer ring outer diameter clamping stagnation is in cage both sides, so as to lead
Bearing capacity is caused to weaken, short life, premature failure influences automobile and the personal safety of driver.
Utility model content
One of the purpose of this utility model is the bearing capacity in order to improve spherical surface needle bearing, improves the one of product carrying
Cause property and devise a kind of bearing outer ring with dual hump curved surface outer diameter.The outer ring reasonable design, bearing capacity is strong, the service life
It is high.
The two of the purpose of this utility model are to provide a kind of needle bearing without needle roller with above-mentioned outer ring.
In order to solve the problems, such as techniques as described above, the utility model uses following technical scheme：
A kind of bearing outer ring with dual hump curved surface outer diameter, which is characterized in that the positive camber of the bearing outer ring is double
Hump curve form；The dual hump curve form is made of concave arc in the identical evagination circular arc of two sections of shapes and one section, interior
Concave arc is located between two sections of evagination circular arcs.
In a preferred embodiment of the utility model, two sections of evagination circular arcs are symmetrically positioned between the interior concave arc.
A kind of needle bearing without needle roller with above-mentioned bearing outer ring, if including above-mentioned bearing outer ring, bearing inner race and
Dry milling needle and the two panels clamp spring for being stuck on bearing outer ring and being located at bearing inner race both sides, the needle roller are integrated in the bearing
On circle, the interior rollaway nest of the bearing outer ring and the outer rollaway nest of the bearing inner race are in direct contact.
As a result of design as above scheme, the utility model has the following advantages that：
1. the bearing outer ring curved surface outer diameter of the utility model is using one section of evagination circular arc+interior concave arc+evagination circular arc composition
Compound dual hump curved surface, equally with cage using envelope coordinate, make product by axial load will not clamping stagnation in cage both sides, hold
Loading capability improves.
2. optimizing entire product structure, original bearing outer ring+bearing inner race+two panels clamp spring+needle roller structure is optimized
For existing bearing outer ring+bearing inner race+two panels clip spring structure with dual hump curved surface outer diameter, reduce needle roller assembler
Sequence, and the product failure caused by few needle roller is eliminated, improve productive temp.
3. all needle rollers are integrated on bearing inner race, make entire inner ring uniform force, bearing load carrying capacity improves, and eliminates
The initial failure caused by different needle roller length and outer diameter cause part to carry.
After 4. needle roller is integrated on bearing inner race, the interior rollaway nest of bearing outer ring and the outer rollaway nest of bearing inner race are in direct contact,
Contact area is uniformly distributed, and gives full play to the ability of material on entire contact area, reduces contact, is avoided because part connects
Initial failure caused by touch pressure is excessive.
5.Edge effect is eliminated, all needle rollers are integrated on bearing inner race, are contacted between elimination bearing parts working surface
Pressure distribution singularity and make it is uniform as far as possible along bearing diameter axial direction stress distribution, meanwhile, can also make bearing to deflection have
There is certain adaptability.
Description of the drawings
Fig. 1 is the structure diagram of existing needle bearing.
Fig. 2 is the structure diagram for the bearing outer ring that the utility model has dual hump curved surface outer diameter.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the bearing outer ring stereoscopic schematic diagram that the utility model has dual hump curved surface outer diameter.
Fig. 5 is the needle bearing structure diagram without needle roller of the utility model.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is needle bearing stereoscopic schematic diagram of the utility model without needle roller.
Fig. 8 is the A-A sectional views of Fig. 6.
Specific embodiment
Referring to Fig. 2 to Fig. 4, the positive camber of the bearing outer ring 70 shown in figure with dual hump curved surface outer diameter is dual hump
Curve form；Dual hump curve form is made of concave arc 73 in the identical evagination circular arc 772 of two sections of shapes and one section, indent circle
Arc 73 is located between two sections of evagination circular arcs 71,72.Two sections of evagination circular arcs 71,72 are symmetrically positioned between interior concave arc 73.
Referring to Fig. 5 to Fig. 8, including the above-mentioned bearing outer ring 70 with dual hump curved surface outer diameter, bearing inner race 30 and several
Needle roller and the two panels clamp spring 40,50 for being stuck on bearing outer ring 70 and being located at 30 both sides of bearing inner race, all needle rollers are integrated in
On bearing inner race 30, the interior rollaway nest of bearing outer ring 70 with dual hump curved surface outer diameter directly connects with the outer rollaway nest of bearing inner race 30
It touches.
Claims (3)
1. a kind of bearing outer ring with dual hump curved surface outer diameter, which is characterized in that the positive camber of the bearing outer ring is double camels
Peak curve form；The dual hump curve form is made of concave arc in the identical evagination circular arc of two sections of shapes and one section, indent
Circular arc is located between two sections of evagination circular arcs.
A kind of 2. bearing outer ring with dual hump curved surface outer diameter as described in claim 1, which is characterized in that two sections of outer domes
Arc is symmetrically positioned between the interior concave arc.
3. a kind of needle roller axis without needle roller of the bearing outer ring with dual hump curved surface outer diameter with described in claims 1 or 2
Hold, which is characterized in that if including described in claims 1 or 2 the bearing outer ring with dual hump curved surface outer diameter, bearing inner race and
Dry milling needle and the two panels clamp spring for being stuck on bearing outer ring and being located at bearing inner race both sides, the needle roller are integrated in the bearing
On circle, the interior rollaway nest of the bearing outer ring and the outer rollaway nest of the bearing inner race are in direct contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721507257.1U CN207598713U (en) | 2017-11-13 | 2017-11-13 | A kind of bearing outer ring with dual hump curved surface outer diameter and the needle bearing without needle roller for having this bearing outer ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721507257.1U CN207598713U (en) | 2017-11-13 | 2017-11-13 | A kind of bearing outer ring with dual hump curved surface outer diameter and the needle bearing without needle roller for having this bearing outer ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598713U true CN207598713U (en) | 2018-07-10 |
Family
ID=62757987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721507257.1U Withdrawn - After Issue CN207598713U (en) | 2017-11-13 | 2017-11-13 | A kind of bearing outer ring with dual hump curved surface outer diameter and the needle bearing without needle roller for having this bearing outer ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859689A (en) * | 2017-11-13 | 2018-03-30 | 启东锦桥轴承有限公司 | A kind of bearing outer ring with dual hump curved surface external diameter and the needle bearing without needle roller for having this bearing outer ring |
-
2017
- 2017-11-13 CN CN201721507257.1U patent/CN207598713U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859689A (en) * | 2017-11-13 | 2018-03-30 | 启东锦桥轴承有限公司 | A kind of bearing outer ring with dual hump curved surface external diameter and the needle bearing without needle roller for having this bearing outer ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180710 Effective date of abandoning: 20200527 |