CN107504060A - A kind of double inner ring two-row ball bearings - Google Patents
A kind of double inner ring two-row ball bearings Download PDFInfo
- Publication number
- CN107504060A CN107504060A CN201710879604.1A CN201710879604A CN107504060A CN 107504060 A CN107504060 A CN 107504060A CN 201710879604 A CN201710879604 A CN 201710879604A CN 107504060 A CN107504060 A CN 107504060A
- Authority
- CN
- China
- Prior art keywords
- inner ring
- ring
- raceway
- outer ring
- row ball
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of double inner ring two-row ball bearings, including outer ring, the outer ring is in annular, the inside of the outer ring is provided with opposite be coaxially arranged in juxtaposition and separable first inner ring and the second inner ring, first inner ring and the second inner ring are in annular, the outer ring and the first inner ring, between second inner ring be provided with respectively with the first inner ring, second inner ring corresponding the first retainer and the second retainer, multiple steel balls are provided with first retainer and the second retainer, the steel ball is radially, the axial upper limit is located at outer ring, first inner ring, in the biserial raceway that second inner ring is formed.The present invention is by setting opposite be coaxially arranged in juxtaposition and separable first inner ring and the second inner ring in the inside of outer ring, form the double row ball integral bearing structure of single outer ring and double inner rings, pairing man-hour is saved, eliminate the problem of pairing qualification rate is low, increase load-carrying ability, using effect is notable, is worthy to be popularized.
Description
Technical field
The present invention relates to technical field of rolling bearings, specially a kind of double inner ring two-row ball bearings.
Background technology
In engineering goods field, carrying carrier of the rolling bearing as rotary part is commonly used, but in some needs heavy duties
Occasion, it is often necessary to which the rolling bearing for matching the constructed specification of two or more uses side by side, and the apolegamy process, not only wastes
Man-hour, and pairing qualification rate is relatively low, directly affects the performance of product.
The content of the invention
It is an object of the invention to provide a kind of double inner ring two-row ball bearings, possess single outer ring and double inner ring structures,
Pairing process is simplified, solving the problems, such as to match process man-hour at present expends that high, pairing qualification rate is low.
To achieve the above object, the present invention provides following technical scheme：A kind of double inner ring two-row ball bearings, including outer ring,
The outer ring is in annular, and the inside of the outer ring is provided with coaxially to be arranged in juxtaposition and in separable first inner ring and second in opposite directions
Circle, first inner ring and the second inner ring be in annular, provided with respectively with the between the outer ring and the first inner ring, the second inner ring
One inner ring, the second inner ring corresponding the first retainer and the second retainer, set in first retainer and the second retainer
There are multiple steel balls, the steel ball is located in outer ring, the biserial raceway that the first inner ring, the second inner ring are formed in the radially, axially upper limit.
Preferably, first inner ring 2 has the first small end 22 of end 21 and first, the described first big end 21 and first greatly small
22 transition of the first arc surface 23 by indent are held, and the first arc surface 23 and the junction of the first small end 22 are provided with first step
24, the external diameter of the first step 24 is more than the external diameter of the first small end 22.
Preferably, second inner ring 3 has a second largest small end 32 of end 31 and second, and the second largest end 31 and second is small
32 transition of the second arc surface 33 by indent are held, and the second arc surface 33 and the junction of the second small end 32 are provided with second step
34, the external diameter of the second step 34 is more than the external diameter of the second small end 32.
Preferably, the internal circular surfaces of the outer ring are provided with the first raceway and the second raceway being arranged symmetrically, first rolling
The axially inner side of road and the second raceway is higher than outside.
Preferably, the biserial raceway is made up of the first raceway, the second raceway, the first arc surface, the second arc surface.
Preferably, between the outer ring and the first inner ring closure, the closure, are provided between outer ring and the second inner ring
It is respectively fitted over the outer round surface at the second largest end of the first of the first inner ring outer round surface held greatly and the second inner ring, the closure
Outer insertion be arranged in the radial groove on the internal circular surfaces of outer ring.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, the present invention by set in the inside of outer ring it is opposite be coaxially arranged in juxtaposition and separable first inner ring and the second inner ring,
The double row ball integral bearing structure of single outer ring and double inner rings is formed, has saved pairing man-hour, eliminates the problem of pairing qualification rate is low,
Load-carrying ability is increased, using effect is notable, is worthy to be popularized.
2nd, the present invention is coaxially arranged in juxtaposition and separable first inner ring and the second inner ring using opposite, is facilitated assembling and is torn open
Unload, and the processing uniformity of the first inner ring and the second inner ring is good, improves interchangeability.
3rd, the present invention is coaxially arranged in juxtaposition and separable first inner ring and the second inner ring using opposite, its opposite circular arc
Face and the first raceway of outer ring and the second raceway form biserial raceway, to steel-ball limiting on axially and radially, it is ensured that this pair
The assembly precision and performance of inner ring two-row ball bearing.
4th, a kind of double inner ring two-row ball bearings of the invention, have that compact-sized, interchangeability is good, cost is low, load is big
Advantage.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the present invention；
Fig. 2 is the cross-sectional view of the outer ring of the present invention；
Fig. 3 is the cross-sectional view of the first inner ring；
Fig. 4 is the cross-sectional view of the second inner ring.
In figure：1- outer rings, the inner rings of 2- first, the inner rings of 3- second, the retainers of 4- first, the retainers of 5- second, 6- steel balls, 7-
Biserial raceway, 8- closures, the raceways of 11- first, the raceways of 12- second, 13- radial grooves, 21- first end, 22- first greatly are small
End, the arc surfaces of 23- first, 24- first steps, the second largest ends of 31-, the small ends of 32- second, the arc surfaces of 33- second, 34- second
Rank.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of double inner ring two-row ball bearings, including outer ring 1 are referred to, the outer ring 1 is in annulus
Shape, the inside of the outer ring 1 be provided with it is opposite be coaxially arranged in juxtaposition and the inner ring 3 of separable first inner ring 2 and second, described first
The inner ring 3 of inner ring 2 and second is in annular, between the inner ring 2 of outer ring 1 and first, the second inner ring 3 be provided with respectively with the first inner ring
2nd, the second inner ring 3 corresponding the first retainer 4 and the second retainer 5, set in the retainer 5 of the first retainer 4 and second
There are multiple steel balls 6, the steel ball 6 is in the biserial rolling that the radially, axially upper limit is located at outer ring 1, the first inner ring 2, the second inner ring 3 are formed
In road 7.
First inner ring 2 has the first small end 22 of end 21 and first, the described first big small end 22 of end 21 and first greatly logical
The transition of the first arc surface 23 of indent is crossed, and the first arc surface 23 and the junction of the first small end 22 are provided with first step 24, it is described
The external diameter of first step 24 is more than the external diameter of the first small end 22.
Second inner ring 3 has the second largest small end 32 of end 31 and second, and the second largest small end 32 of end 31 and second leads to
The transition of the second arc surface 33 of indent is crossed, and the second arc surface 33 and the junction of the second small end 32 are provided with second step 34, it is described
The external diameter of second step 34 is more than the external diameter of the second small end 32.
The internal circular surfaces of the outer ring 1 are provided with the first raceway 11 and the second raceway 12 being arranged symmetrically, first raceway
11 and second the axially inner side of raceway 12 be higher than outside.
The biserial raceway 7 is made up of the first raceway 11, the second raceway 12, the first arc surface 23, the second arc surface 33.
Closure 8, the closure 8 are provided between the inner ring 2 of outer ring 1 and first, between the inner ring 3 of outer ring 1 and second
The outer round surface at the first big end 21 of the first inner ring 2 and the outer round surface at the second largest end 31 of the second inner ring 3 are respectively fitted over, it is described
The outer insertion of closure 8 is arranged in the radial groove 13 on the internal circular surfaces of outer ring 1.
In summary, the present invention is coaxially arranged in juxtaposition and in separable first in opposite directions by being set in the inside of outer ring 1
The inner ring 3 of circle 2 and second, forms the double row ball integral bearing structure of single outer ring and double inner rings, has saved pairing man-hour, eliminated pairing
The problem of qualification rate is low, load-carrying ability is increased, using effect is notable, is worthy to be popularized；The present invention is using opposite coaxial cloth arranged side by side
Put and the inner ring 3 of separable first inner ring 2 and second, facilitate assembly and disassembly, and the processing of the first inner ring 2 and the second inner ring 3
Uniformity is good, improves interchangeability；Present invention use is coaxially arranged in juxtaposition in opposite directions and the inner ring of separable first inner ring 2 and second
3, its first opposite arc surface 23, the second arc surface 33 and the first raceway 11 of outer ring 1 and the second raceway 12 form biserial rolling
Road 7, it is spacing to steel ball 6 on axially and radially, it is ensured that the assembly precision and performance of this pair of inner ring two-row ball bearing.
A kind of double inner ring two-row ball bearings of the present invention, it is excellent to have that compact-sized, interchangeability is good, cost is low, load is big
Point.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of double inner ring two-row ball bearings, including outer ring（1）, the outer ring（1）In annular, it is characterised in that：It is described outer
Circle（1）Inside be provided with opposite be coaxially arranged in juxtaposition and separable first inner ring（2）With the second inner ring（3）, in described first
Circle（2）With the second inner ring（3）In annular, the outer ring（1）With the first inner ring（2）, the second inner ring（3）Between be provided with respectively with
First inner ring（2）, the second inner ring（3）The first corresponding retainer（4）With the second retainer（5）, first retainer（4）
With the second retainer（5）In be provided with multiple steel balls（6）, the steel ball（6）It is located at outer ring in the radially, axially upper limit（1）, in first
Circle（2）, the second inner ring（3）The biserial raceway of formation（7）In.
A kind of 2. double inner ring two-row ball bearings according to claim 1, it is characterised in that：First inner ring（2）Have
First big end（21）With the first small end（22）, the described first big end（21）With the first small end（22）Pass through the first arc surface of indent
（23）Transition, and the first arc surface（23）With the first small end（22）Junction is provided with first step（24）, the first step
（24）External diameter be more than the first small end（22）External diameter.
A kind of 3. double inner ring two-row ball bearings according to claim 1, it is characterised in that：Second inner ring（3）Have
Second largest end（31）With the second small end（32）, the second largest end（31）With the second small end（32）Pass through the second arc surface of indent
（33）Transition, and the second arc surface（33）With the second small end（32）Junction is provided with second step（34）, the second step
（34）External diameter be more than the second small end（32）External diameter.
A kind of 4. double inner ring two-row ball bearings according to claim 1, it is characterised in that：The outer ring（1）Inner circle table
Face is provided with the first raceway being arranged symmetrically（11）With the second raceway（12）, first raceway（11）With the second raceway（12）Axle
It is higher than outside to inner side.
A kind of 5. double inner ring two-row ball bearings according to claim 1, it is characterised in that：The biserial raceway（7）By
One raceway（11）, the second raceway（12）, the first arc surface（23）, the second arc surface（33）Composition.
A kind of 6. double inner ring two-row ball bearings according to claim 1, it is characterised in that：The outer ring（1）In first
Circle（2）Between, outer ring（1）With the second inner ring（3）Between be provided with closure（8）, the closure（8）It is respectively fitted over the first inner ring
（2）The first big end（21）Outer round surface and the second inner ring（3）Second largest end（31）Outer round surface, the closure
（8）Outer insertion be arranged on outer ring（1）Internal circular surfaces on radial groove（13）In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710879604.1A CN107504060A (en) | 2017-09-26 | 2017-09-26 | A kind of double inner ring two-row ball bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710879604.1A CN107504060A (en) | 2017-09-26 | 2017-09-26 | A kind of double inner ring two-row ball bearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107504060A true CN107504060A (en) | 2017-12-22 |
Family
ID=60698920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710879604.1A Pending CN107504060A (en) | 2017-09-26 | 2017-09-26 | A kind of double inner ring two-row ball bearings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107504060A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679089A (en) * | 2018-05-29 | 2018-10-19 | 佛山鑫达智汇科技有限公司 | A kind of new-energy automobile hub bearing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4783182A (en) * | 1986-04-14 | 1988-11-08 | Skf France | Rolling bearing with two rows of rolling elements and equipped with a retention piece for the bearing rings, retention piece usable for this purpose and process for assembling such a bearing |
| CN205937459U (en) * | 2016-08-30 | 2017-02-08 | 新昌县开源汽车轴承有限公司 | Interior astragal sealing washer formula bearing |
| CN207212935U (en) * | 2017-09-26 | 2018-04-10 | 无锡正大轴承机械制造股份有限公司 | A kind of double inner ring two-row ball bearings |
-
2017
- 2017-09-26 CN CN201710879604.1A patent/CN107504060A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4783182A (en) * | 1986-04-14 | 1988-11-08 | Skf France | Rolling bearing with two rows of rolling elements and equipped with a retention piece for the bearing rings, retention piece usable for this purpose and process for assembling such a bearing |
| CN205937459U (en) * | 2016-08-30 | 2017-02-08 | 新昌县开源汽车轴承有限公司 | Interior astragal sealing washer formula bearing |
| CN207212935U (en) * | 2017-09-26 | 2018-04-10 | 无锡正大轴承机械制造股份有限公司 | A kind of double inner ring two-row ball bearings |
Non-Patent Citations (1)
| Title |
|---|
| 中国轴承工业协会: "《轴承装配工艺》", 30 November 2006, 河南人民出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679089A (en) * | 2018-05-29 | 2018-10-19 | 佛山鑫达智汇科技有限公司 | A kind of new-energy automobile hub bearing |
| CN108679089B (en) * | 2018-05-29 | 2020-04-21 | 杭州佳语节能科技有限公司 | New energy automobile wheel hub bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171222 |