CN108825647A - Drawn cup needle roller bearing - Google Patents
Drawn cup needle roller bearing Download PDFInfo
- Publication number
- CN108825647A CN108825647A CN201811016432.6A CN201811016432A CN108825647A CN 108825647 A CN108825647 A CN 108825647A CN 201811016432 A CN201811016432 A CN 201811016432A CN 108825647 A CN108825647 A CN 108825647A
- Authority
- CN
- China
- Prior art keywords
- drawn cup
- needle roller
- retainer
- roller bearing
- bearing
- 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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention provides drawn cup needle roller bearing, is related to technical field of mechanical processing.Drawn cup needle roller bearing, including drawn cup, the retainer on the inside of the drawn cup and with the needle roller that is arranged on the retainer, the drawn cup is used to guide the installation of the retainer；The limiting section for limiting the retainer installation site is provided on the drawn cup.Using technical solution of the present invention, the installation of retainer can be guided by drawn cup, improves the retainer intensity of bearing, improves lubricating condition, optimizes the guidance mode of bearing, to improve the limit speed of bearing.
Description
Technical field
The present invention relates to technical fields of mechanical processing, more particularly, to drawn cup needle roller bearing.
Background technique
Needle bearing is the roller bearing with cylindrical roller, its opposite diameter, and roller was not only thin but also long.This roller is known as rolling
Needle.Although having lesser section, bearing load-taking capacity still with higher, needle bearing long roller equipped with thin
(roller diameter D≤5mm, L/D >=2.5, L are roller length), therefore radial structure is compact, internal diameter and load-carrying ability with
When other types of bearings are identical, minimum outer diameter, the supporting structure especially suitable for the size-constrained system of radially installed.
Currently used needle roller diameter arrives the big drawn cup needle roller bearing structure between φ 2.5 in φ 1.5, is all mostly
Rolling element guides retainer, and retainer is O-shaped or the structure of M type, the bearing of this structure be often only applicable in low turn
The operating condition of speed, limit speed are often no more than 7500rpm, cannot bear 10,000 turns or more of limit speed substantially.Based on current
The bearing of many electronic projects requires high-revolving demand, and the drawn cup needle roller bearing of conventional structure is difficult to meet.
For this purpose, there is an urgent need to a kind of novel punching cup needle roller bearings, to alleviate the above problem.
The information disclosed in the background technology section is intended only to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Summary of the invention
The purpose of the present invention is to provide a kind of drawn cup needle roller bearings, by the knot for changing drawn cup needle roller bearing
Structure, higher to reach retainer and bearing integral strength, lubricant effect is more preferable, and the limit speed of bearing is higher, to enhance axis
Hold use scope and requirement that client uses.
In order to solve the above-mentioned technical problem, the technological means that the present invention takes is：
A kind of drawn cup needle roller bearing provided by the invention, including drawn cup, on the inside of the drawn cup
Retainer and with the needle roller that is arranged on the retainer, the drawn cup is used to guide the installation of the retainer；
The limiting section for limiting the retainer installation site is provided on the drawn cup.
In the above-mentioned technical solutions, further, the cross sectional shape of the drawn cup is staple shape.
In any of the above-described technical solution, further, the limiting section is stamping forming rib structure, the rib
Lateral bending folding where structure to the retainer, forms the bending edge edge for being located at the drawn cup both ends of the surface.
In any of the above-described technical solution, further, the bending edge is set along reclining with the drawn cup medial surface
It sets.
In any of the above-described technical solution, further, the retainer is W type structure, has both ends and centre convex
The portion of rising, the intermediate projections portion are arranged close to the drawn cup medial surface, and the both ends are set with the bending edge along reclining
It sets.
In any of the above-described technical solution, further, the retainer and the drawn cup compress and are arranged.
In any of the above-described technical solution, further, the both ends are the symmetrical junction in the relatively described intermediate projections portion
Structure.
In any of the above-described technical solution, further, the intermediate projections portion is the planar structure with continuing surface.
In any of the above-described technical solution, further, the retainer is provided with fenestra, and the fenestra is pressed into the rolling
Needle.
In any of the above-described technical solution, further, interference is provided between the retainer and the drawn cup
Surplus.
Compared with prior art, drawn cup needle roller bearing provided by the invention have the advantage that for：
Using drawn cup needle roller bearing of the invention, including drawn cup, the holding on the inside of the drawn cup
Frame and with the needle roller that is arranged on the retainer, the drawn cup is used to guide the installation of the retainer；The punching press
The limiting section for limiting the retainer installation site is provided on outer ring；Specifically, the drawn cup using this programme rolls
The limiting section for limiting retainer installation site is arranged in needle bearing on drawn cup, i.e. drawn cup is to pass through presser
The outer ring structure that skill is formed, then installed with drawn cup guidance retainer, compared with prior art, the needle bearing of existing application
The installation that outer ring is guided for retainer, compared with the needle bearing of traditional retainer guidance outer ring, the needle bearing of this programme
Bearing lubrication condition can be improved, improve bearing guidance mode, to improve limit speed.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the section schematic view of the front view of drawn cup needle roller bearing provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the section structure of drawn cup provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of the section structure of retainer provided in an embodiment of the present invention.
Appended drawing reference：
100- drawn cup needle roller bearing；
101- drawn cup；102- retainer；103- needle roller；
1011- bending edge edge；The medial surface of 1012- drawn cup；
The both ends 1021-；1022- intermediate projections portion；1023- continuing surface.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment
It as shown in Figure 1-Figure 3, is the corresponding construction schematic diagram of drawn cup needle roller bearing 100 provided in this embodiment；Tool
Body, drawn cup needle roller bearing 100 provided in this embodiment, including drawn cup 101, be located at the drawn cup 101 in
The retainer 102 of side and with the needle roller 103 that is arranged on the retainer 102, the drawn cup 101 is for guiding the guarantor
Hold the installation of frame 102；The limiting section for limiting 102 installation site of retainer is provided on the drawn cup 101.
It should be noted that being arranged on drawn cup 101 and being used for using the drawn cup needle roller bearing 100 of this programme
The limiting section of 102 installation site of retainer is limited, i.e., drawn cup 101 is the outer ring structure formed through the stamping process, then is used
Drawn cup 101 guides retainer 102 to install, and compared with prior art, 103 bearing of needle roller of existing application is retainer 102
The installation for guiding outer ring, compared with traditional retainer 102 guides 103 bearing of needle roller of outer ring, 103 bearing of needle roller of this programme
Bearing lubrication condition can be improved, improve bearing guidance mode, to improve limit speed.
The optional technical solution of the present embodiment is that the cross sectional shape of the drawn cup 101 is staple shape.
It should be noted that as shown in figure 3, can intuitively find out that the cross sectional shape of retainer 102 is similar to staple
Shape show that, so that drawn cup 101 guides retainer 102 to install, retainer 102 is suitable by pressing and bending molding
101 structure of drawn cup is answered, and further improves lubricating condition, optimizes bearing guidance mode.
The optional technical solution of the present embodiment is that the limiting section is stamping forming rib structure, the rib structure
It is rolled over to the 102 place lateral bending of retainer, forms the bending edge for being located at 101 both ends of the surface of drawn cup along 1011.
It should be noted that drawn cup needle roller bearing 100 provided in this embodiment, sets two for drawn cup 101
The inside pressing and bending in end face forms the bending edge to bend inwards along 1011, to optimize the guidance mode of 103 bearing of needle roller, is formed
New drawn cup 101 guides the mounting means of retainer 102, and structural behaviour is more firm, and lubricating system is more convenient.
The optional technical solution of the present embodiment is that the bending edge reclines along 1011 with 101 medial surface of drawn cup
Setting.
It should be noted that drawn cup needle roller bearing 100 provided in this embodiment, by the bending edge of drawn cup 101
Recline the setting of 101 medial surface of drawn cup along 1011, i.e. realization bending edge along 1011 and 101 medial surface gapless of drawn cup,
It avoiding in 103 bearing use process of needle roller, loosening or relative position between retainer 102 and drawn cup 101 shift,
Further enhance the stable structure of the drawn cup needle roller bearing 100 of the present embodiment.
The optional technical solution of the present embodiment is that the retainer 102 is W type structure, has both ends 1021 and centre
Lug boss 1022, the intermediate projections portion 1022 are arranged close to 101 medial surface of drawn cup, the both ends 1021 and institute
Bending edge is stated to recline setting along 1011.
It should be noted that drawn cup needle roller bearing 100 provided in this embodiment, sets W type for retainer 102,
Can adapt to have bending edge along 1011 drawn cup 101 structure, be pressed into conducive to retainer 102 outside the punching press of the present embodiment
In circle 101, the Installation Modes that drawn cup 101 guides W type retainer 102 are formed, stable pressing structure is further formed.It compares
In existing 103 bearing of needle roller, the first common situations is that M type retainer 102, M type are arranged in outer ring that section is C-shaped configuration
The protrusion of the centre of retainer 102 is protruded towards bearing centre, larger gap is formed between the medial surface of outer ring, needle roller 103 is set
It sets on the crowning of the centre of the above-mentioned M type retainer 102 protruded to bearing centre, such 103 bearing of needle roller is uncomfortable
With with minor diameter needle roller 103, guided with rolling element, lubricating condition is inconvenient, is not suitable for high revolving speed；Second of common situations is to cut
Face is the O-shaped retainer 102 of setting in the outer ring of C-shaped configuration, i.e., it is horizontal structure, needle roller that section, which is the section of O-shaped retainer 102,
103 are arranged between O-shaped retainer 102 and the outer ring medial surface of C-shaped configuration, by the pressure between two sides, are pressed into needle roller
103, such structure is suitable for minor diameter needle roller 103, is similarly rolling element guidance mode, and the structure of O-shaped retainer 102
Intensity is lower than W type or M type, cannot bear higher revolving speed.Compared to the drawn cup 101 and W type retainer of the present embodiment
102, it can be realized above-mentioned all irrealizable effects, more improve the service efficiency of 103 bearing of needle roller.
The optional technical solution of the present embodiment, which is that the retainer 102 is compressed with the drawn cup 101, to be arranged.
It should be noted that drawn cup needle roller bearing 100 provided in this embodiment, by retainer 102 and drawn cup
101 compress setting, conducive to the realization of structural stability can.
The optional technical solution of the present embodiment is that the both ends 1021 are the symmetrical of the relatively described intermediate projections portion 1022
Structure.
It should be noted that drawn cup needle roller bearing 100 provided in this embodiment, both ends 1021 are with respect to intermediate projections
Portion 1022 is symmetrical structure, occurs retainer 102 in application process due at both ends to avoid there is 103 bearing of needle roller
Failure caused by 1021 unbalance stress.
The optional technical solution of the present embodiment is that the intermediate projections portion 1022 is the planar knot with continuing surface 1023
Structure.
It should be noted that drawn cup needle roller bearing 100 provided in this embodiment, is provided on W type retainer 102
Intermediate projections portion 1022, the intermediate projections portion 1022 need be the planar structure with a plane, conducive to both ends 1021
Stress balance does transition.
The optional technical solution of the present embodiment is that the retainer 102 is provided with fenestra, and the fenestra is pressed into the needle roller
103。
The optional technical solution of the present embodiment is to be provided with interference between the retainer 102 and the drawn cup 101
Surplus.
It should be noted that using the drawn cup needle roller bearing 100 of the present embodiment, in assembling process, first by Fig. 3
Retainer 102 be pressed into the drawn cup 101 of Fig. 2, and magnitude of interference is moderate between retainer 102 and drawn cup 101, will not
Retainer 102 or drawn cup 101 are had an impact, then needle roller 103 is pressed into the fenestra of retainer 102 again, thus
To the structure of 103 bearing of needle roller of the present embodiment.
Using the drawn cup needle roller bearing 100 of the present embodiment, bending edge is set along 1011 and punching by drawn cup 101
Pressure 101 medial surface of outer ring reclines the structure of setting, draws conducive to drawn cup 101 is set by the guidance mode of 103 bearing of needle roller
The mode led is able to carry out differentiation with traditional mode, and by the fit applications with W type retainer 102, can improve this reality
The lubricating condition of 103 bearing of needle roller of example is applied, it is good compared to the oil storage of M type retainer 102, depot fat condition, draw improving bearing
On the basis of leading mode, the limit speed of 103 bearing of the present embodiment needle roller is improved.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that：Its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of drawn cup needle roller bearing, which is characterized in that including drawn cup, the holding on the inside of the drawn cup
Frame and the needle roller being arranged on the retainer, the drawn cup are used to guide the installation of the retainer；
The limiting section for limiting the retainer installation site is provided on the drawn cup.
2. drawn cup needle roller bearing according to claim 1, which is characterized in that the cross sectional shape of the drawn cup is
Staple shape.
3. drawn cup needle roller bearing according to claim 1, which is characterized in that the limiting section is stamping forming gear
Side structure, lateral bending folding where the rib structure to the retainer, forms the bending edge for being located at the drawn cup both ends of the surface
Edge.
4. drawn cup needle roller bearing according to claim 3, which is characterized in that the bending edge along with outside the punching press
Circle medial surface reclines setting.
5. drawn cup needle roller bearing according to claim 3, which is characterized in that the retainer is W type structure, is had
Both ends and intermediate projections portion, the intermediate projections portion are arranged close to the drawn cup medial surface, the both ends with it is described
Bending edge is along the setting that reclines.
6. drawn cup needle roller bearing according to claim 5, which is characterized in that the retainer and the drawn cup
Compress setting.
7. drawn cup needle roller bearing according to claim 5, which is characterized in that the both ends are the relatively described centre
The symmetrical structure of lug boss.
8. drawn cup needle roller bearing according to claim 5, which is characterized in that the intermediate projections portion is with undertaking
The planar structure in face.
9. drawn cup needle roller bearing according to claim 3, which is characterized in that the retainer is provided with fenestra, institute
It states fenestra and is pressed into the needle roller.
10. drawn cup needle roller bearing according to claim 3, which is characterized in that outside the retainer and the punching press
Interference margin is provided between circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016432.6A CN108825647A (en) | 2018-08-31 | 2018-08-31 | Drawn cup needle roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016432.6A CN108825647A (en) | 2018-08-31 | 2018-08-31 | Drawn cup needle roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108825647A true CN108825647A (en) | 2018-11-16 |
Family
ID=64151871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811016432.6A Pending CN108825647A (en) | 2018-08-31 | 2018-08-31 | Drawn cup needle roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825647A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040022473A1 (en) * | 2002-07-02 | 2004-02-05 | Ina-Schaeffler Kg | Rolling-bearing cage |
| JP2004211774A (en) * | 2002-12-27 | 2004-07-29 | Koyo Seiko Co Ltd | Bearing device for handle column |
| CN2683902Y (en) * | 2004-03-30 | 2005-03-09 | 洛阳轴研科技股份有限公司 | Needle bearing used for air-conditioned compressor |
| JP2008038986A (en) * | 2006-08-03 | 2008-02-21 | Nsk Ltd | Shell type needle bearing |
| JP2013113324A (en) * | 2011-11-25 | 2013-06-10 | Jtekt Corp | Roller bearing |
| CN203421044U (en) * | 2013-06-21 | 2014-02-05 | 常州市大洋轴承制造有限公司 | Rolling pin bearing |
| CN205689609U (en) * | 2016-05-31 | 2016-11-16 | 芜湖之乐轴承有限公司 | Cylindric rolling element retainer |
| CN206860679U (en) * | 2017-06-29 | 2018-01-09 | 苏州新豪轴承股份有限公司 | Needle bearing |
| CN207145448U (en) * | 2017-07-14 | 2018-03-27 | 常州光洋轴承股份有限公司 | A kind of novel compositions bearing arrangement |
| CN208764126U (en) * | 2018-08-31 | 2019-04-19 | 苏州新豪轴承股份有限公司 | Drawn cup needle roller bearing |
-
2018
- 2018-08-31 CN CN201811016432.6A patent/CN108825647A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040022473A1 (en) * | 2002-07-02 | 2004-02-05 | Ina-Schaeffler Kg | Rolling-bearing cage |
| JP2004211774A (en) * | 2002-12-27 | 2004-07-29 | Koyo Seiko Co Ltd | Bearing device for handle column |
| CN2683902Y (en) * | 2004-03-30 | 2005-03-09 | 洛阳轴研科技股份有限公司 | Needle bearing used for air-conditioned compressor |
| JP2008038986A (en) * | 2006-08-03 | 2008-02-21 | Nsk Ltd | Shell type needle bearing |
| JP2013113324A (en) * | 2011-11-25 | 2013-06-10 | Jtekt Corp | Roller bearing |
| CN203421044U (en) * | 2013-06-21 | 2014-02-05 | 常州市大洋轴承制造有限公司 | Rolling pin bearing |
| CN205689609U (en) * | 2016-05-31 | 2016-11-16 | 芜湖之乐轴承有限公司 | Cylindric rolling element retainer |
| CN206860679U (en) * | 2017-06-29 | 2018-01-09 | 苏州新豪轴承股份有限公司 | Needle bearing |
| CN207145448U (en) * | 2017-07-14 | 2018-03-27 | 常州光洋轴承股份有限公司 | A kind of novel compositions bearing arrangement |
| CN208764126U (en) * | 2018-08-31 | 2019-04-19 | 苏州新豪轴承股份有限公司 | Drawn cup needle roller bearing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |