CN207864443U - A kind of heat radiating type needle bearing - Google Patents
A kind of heat radiating type needle bearing Download PDFInfo
- Publication number
- CN207864443U CN207864443U CN201721776900.0U CN201721776900U CN207864443U CN 207864443 U CN207864443 U CN 207864443U CN 201721776900 U CN201721776900 U CN 201721776900U CN 207864443 U CN207864443 U CN 207864443U
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- CN
- China
- Prior art keywords
- outer ring
- cylinder section
- needle roller
- heat radiating
- radiating type
- 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.)
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Abstract
The utility model discloses a kind of heat radiating type needle bearings, including outer ring, retainer is arranged in outer ring, retainer is circumferentially with multiple partition boards, needle roller slot is formed between adjacent separator, needle roller is equipped in needle roller slot, the both ends of outer ring are respectively connected with positioning disk, positioning disk includes the first and second cylinder sections, the outer diameter of first cylinder section is less than the outer diameter of the second cylinder section, first cylinder section is internally provided with bellmouth, the inner wall of second cylinder section is equipped with annular groove, oil sealing is equipped in annular groove, outer ring is equipped with multiple thermal holes, heat conduction rod piece is equipped in thermal hole, outer ring is equipped with heat emission hole, the axis of heat emission hole and the axis of outer ring tilt, heat emission hole is connected with thermal hole, needle roller both ends are in cone.The utility model can effectively prevent that introduced contaminants enter Bearing inner and lubricating oil leaks, and can realize that Bearing inner lubricates well；Good heat dissipation effect can effectively reduce the rate of wear of each component of bearing.
Description
Technical field
The utility model is related to technical field of bearings, and in particular to a kind of heat radiating type needle bearing.
Background technology
Needle bearing is the common components in mechanical transmission course, but existing needle bearing during the work time easily by
It can accelerate the abrasion and corrosion of bearing to the influence of exogenous impurity, such as water, dust and iron filings, reduce the service life of bearing,
And existing needle bearing heat dissipation effect is poor, cannot be satisfied use demand.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of heat radiating type needle bearings, can effectively prevent extraneous miscellaneous
Matter enters Bearing inner and lubricating oil leaks, and can realize that Bearing inner lubricates well；Good heat dissipation effect can effectively reduce axis
Abrasion and the corrosion rate for holding each component, improve the service life of bearing.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows：
A kind of heat radiating type needle bearing, including outer ring are arranged with retainer in outer ring, needle roller, institute are provided on retainer
It states retainer and is circumferentially provided with multiple partition boards, form needle roller slot between adjacent separator, needle roller is provided in the needle roller slot, it is described
The both ends of outer ring are respectively connected with positioning disk, and the positioning disk includes the first cylinder section and the second cylinder section, the first cylinder section it is outer
Diameter is less than the outer diameter of the second cylinder section, and the second cylinder section is connected with the inner wall of the outer ring, the inside of first cylinder section
It is provided with bellmouth, annular groove is provided on the inner wall of second cylinder section, oil sealing, institute are provided in the annular groove
It states and is provided with multiple thermal holes on outer ring, the axis of the thermal hole and the axis of outer ring are parallel, setting in the thermal hole
There is heat conduction rod piece, heat emission hole is provided on the outer ring, the axis of the heat emission hole and the axis of outer ring tilt, the heat emission hole
It is connected with thermal hole, the both ends of the needle roller are in cone.
The axis of the heat emission hole is 40 °~70 ° with respect to the angle of inclination of outer ring axis.
Circumferential direction of multiple thermal holes along outer ring is in be evenly arranged.
Multiple pits are provided on the outer wall of the needle roller.
The heat conduction rod piece is highly-conductive hot carbon fiber rod.
Multiple oil storage tanks are provided on the partition board.
The coning angle of the bellmouth is 90 °~150 °.
In the middle part of the partition board rectangular cam is bent to form to the axial direction of retainer.
Anti-corrosion layer is coated on the inner wall of the outer ring, the anti-corrosion layer is externally coated with wearing layer.
The utility model has the advantages that：The needle bearing of the utility model can prevent introduced contaminants well
It leaks into Bearing inner and lubricating oil, can realize that Bearing inner lubricates well；Good heat dissipation effect can effectively reduce bearing
The abrasion of each component and corrosion rate improve the service life of bearing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of needle roller in Fig. 1；
In figure：1, outer ring, 11, thermal hole, 12, heat emission hole, 2, positioning disk, the 21, first cylinder section, 211, bellmouth, 22,
Second cylinder section, 221, annular groove, 3, retainer, 4, partition board, 41, oil storage tank, 42, rectangular cam, 5, needle roller, 51, pit,
6, oil sealing, 7, heat conduction rod piece.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown in Figure 1, a kind of heat radiating type needle bearing, including outer ring 1, it is arranged with retainer 3 in outer ring 1, on retainer 3
It is provided with needle roller 5, retainer 3 is circumferentially provided with multiple partition boards 4, forms needle roller slot between adjacent separator 4, be provided in needle roller slot
The both ends of needle roller 5, outer ring 1 are respectively connected with positioning disk 2, and positioning disk 2 includes the first cylinder section 21 and the second cylinder set gradually
Section 22, the outer diameter of the first cylinder section 21 are less than the outer diameter of the second cylinder section 22, and the second cylinder section 22 is connected with the inner wall of outer ring 1
It connects, the first cylinder section 21 is internally provided with bellmouth 211, and annular groove 221, ring are provided on the inner wall of the second cylinder section 22
Oil sealing 6 is provided in connected in star 221；
By the design of the second cylinder section 22 and oil sealing 6, it can preferably prevent foreign matter from entering Bearing inner, also may be used
It prevents lubricating oil from leaking outside, while also can preferably prevent retainer 3 from axial float occurs.Pass through the first cylinder section 21 and bellmouth
211 design, the assembly of can be more convenient for bearing and shaft improve assembly precision.
Multiple thermal holes 11 are provided on outer ring 1, the axis of thermal hole 11 and the axis of outer ring 1 are parallel, thermal hole 11
It is inside provided with heat conduction rod piece 7, heat emission hole 12 is provided on outer ring 1, the axis of heat emission hole 12 and the axis of outer ring 1 tilt, to increase
Strong heat dissipation effect, heat emission hole 12 are connected with thermal hole 11.By the design of thermal hole 11 and heat conduction rod piece 7, can accelerate outer
The heat conduction of circle 1, then coordinate with the design of inclined heat emission hole 12, quickly the heat generated in 5 rotation process of needle roller can be dissipated
It sends out, improves heat dissipation effect, reduce needle roller 5 and outer ring 1, the high temperature wear speed of needle roller 5 and partition board 4.
As shown in Fig. 2, the both ends of needle roller 5 are in cone, the contact area of needle roller 5 and partition board 4 can be effectively reduced, is reduced
Frictional heat reduces the abrasion of needle roller 5.
Further, the axis of heat emission hole 12 is 40 °~70 ° with respect to the angle of inclination of the axis of outer ring 1, heat dissipation effect
It is good.
Further, multiple thermal holes 11 are conducive to rapid cooling and Homogeneouslly-radiating along the circumferential direction of outer ring 1 in being evenly arranged,
Improve radiating efficiency.
Further, multiple pits 51 are provided on the outer wall of needle roller 5, are conducive to storage lubricating oil and heat dissipation.
Further, heat conduction rod piece 7 is highly-conductive hot carbon fiber rod.
Further, the both ends of outer ring 1 are removably connected with positioning disk 2.
It is provided with multiple oil storage tanks 41 on partition board 4, lubricating oil can be stored, improves lubricant effect when needle roller 5 moves, drop
Friction between low needle roller 5 and partition board 4, needle roller 5 and outer ring 1.
Further, oil storage tank 41 is annular groove, has preferable oil storage effect.
Further, the coning angle of bellmouth 211 is 90 °~150 °.
Further, the middle part of partition board 4 is bent to form rectangular cam 42 to the axial direction of retainer 3, it is easy to process and by
Power effect is good, improves the stability of the movement of needle roller 5, is more convenient for reducing the friction between needle roller 5 and partition board 4；
Further, anti-corrosion layer is coated on the inner wall of outer ring 1, anti-corrosion layer is externally coated with wearing layer.
Further, the thickness of wearing layer is 2~15 μm.
The utility model both can prevent introduced contaminants from entering Bearing inner and profit well by the design of positioning disk 2
Lubricating oil leaks；Bearing and the assembly precision of shaft can be improved again, pass through the design of thermal hole 11 and heat conduction rod piece 7, Ke Yijia
The heat conduction of fast outer ring 1, then coordinate with the design of inclined heat emission hole 12, the heat that will quickly can be generated in 5 rotation process of needle roller
Amount distributes, and improves heat dissipation effect, reduces the high temperature wear speed of needle roller 5 and outer ring 1；Bearing inner high lubricating effect, energy
Needle roller 5 and retainer 3, the friction between needle roller 5 and outer ring 1 are effectively reduced, effective protection bearing reduces the abrasion of bearing, carries
The service life of high bearing.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain it is without being limited thereto.Those skilled in the art on the basis of the utility model made by equivalent substitute or change
It changes, both is within the protection scope of the present invention.The scope of protection of the utility model is subject to claims.
Claims (9)
1. a kind of heat radiating type needle bearing, including outer ring, it is arranged with retainer in outer ring, needle roller is provided on retainer, it is special
Sign is that the retainer is circumferentially provided with multiple partition boards, forms needle roller slot between adjacent separator, rolling is provided in the needle roller slot
The both ends of needle, the outer ring are respectively connected with positioning disk, and the positioning disk includes the first cylinder section and the second cylinder section, the first cylinder
The outer diameter of section is less than the outer diameter of the second cylinder section, and the second cylinder section is connected with the inner wall of the outer ring, first cylinder section
Be internally provided with bellmouth, annular groove is provided on the inner wall of second cylinder section, is provided in the annular groove
Oil sealing is provided with multiple thermal holes on the outer ring, and the axis of the thermal hole and the axis of outer ring are parallel, the thermal hole
It is inside provided with heat conduction rod piece, heat emission hole is provided on the outer ring, the axis of the heat emission hole and the axis of outer ring tilt, described
Heat emission hole is connected with thermal hole, and the both ends of the needle roller are in cone.
2. heat radiating type needle bearing as described in claim 1, characterized in that the axis of the heat emission hole is with respect to outer ring axis
Angle of inclination is 40 °~70 °.
3. heat radiating type needle bearing as described in claim 1, characterized in that circumferential direction of multiple thermal holes along outer ring is in equal
Even arrangement.
4. heat radiating type needle bearing as described in claim 1, characterized in that be provided on the outer wall of the needle roller multiple recessed
Hole.
5. heat radiating type needle bearing as described in claim 1, characterized in that the heat conduction rod piece is highly-conductive hot carbon fiber rod.
6. heat radiating type needle bearing as described in claim 1, characterized in that be provided with multiple oil storage tanks on the partition board.
7. heat radiating type needle bearing as described in claim 1, characterized in that the coning angle of the bellmouth is 90 °~150 °.
8. heat radiating type needle bearing as described in claim 1, characterized in that the axial direction of retainer in the middle part of the partition board
It is bent to form rectangular cam.
9. heat radiating type needle bearing as described in claim 1, characterized in that be coated on the inner wall of the outer ring corrosion-resistant
Layer, the anti-corrosion layer are externally coated with wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721776900.0U CN207864443U (en) | 2017-12-18 | 2017-12-18 | A kind of heat radiating type needle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721776900.0U CN207864443U (en) | 2017-12-18 | 2017-12-18 | A kind of heat radiating type needle bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864443U true CN207864443U (en) | 2018-09-14 |
Family
ID=63465161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721776900.0U Expired - Fee Related CN207864443U (en) | 2017-12-18 | 2017-12-18 | A kind of heat radiating type needle bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671433A (en) * | 2019-10-08 | 2020-01-10 | 南京荧河谷科技有限公司 | Bearing with heat dissipation and lubrication functions |
-
2017
- 2017-12-18 CN CN201721776900.0U patent/CN207864443U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671433A (en) * | 2019-10-08 | 2020-01-10 | 南京荧河谷科技有限公司 | Bearing with heat dissipation and lubrication functions |
| CN110671433B (en) * | 2019-10-08 | 2020-12-15 | 常山县鑫龙轴承有限公司 | Bearing with heat dissipation and lubrication functions |
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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: 20180914 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |