CN207830364U - A kind of wear-resisting needle bearing of mute type - Google Patents
A kind of wear-resisting needle bearing of mute type Download PDFInfo
- Publication number
- CN207830364U CN207830364U CN201721776837.0U CN201721776837U CN207830364U CN 207830364 U CN207830364 U CN 207830364U CN 201721776837 U CN201721776837 U CN 201721776837U CN 207830364 U CN207830364 U CN 207830364U
- Authority
- CN
- China
- Prior art keywords
- needle roller
- wear
- cylinder section
- outer ring
- resisting
- 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
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of wear-resisting needle bearings of mute type, including outer ring, retainer is arranged in outer ring, retainer is circumferentially provided 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, it is provided with annular groove on the inner wall of second cylinder section, oil sealing is equipped in annular groove, interference fit is connected with hush pipe on needle roller, the both ends of needle roller are equipped with card slot, connector is detachably connected in card slot, the end set of connector has multiple cone tanks, circular cone is connected in cone tank, circular cone is rubber block.The utility model can effectively prevent introduced contaminants to enter Bearing inner, ensure Bearing inner lubricant effect, reduce the rate of wear of needle roller and outer ring, and noise when can reduce bearing working well.
Description
Technical field
The utility model is related to technical field of bearings, and in particular to a kind of wear-resisting needle bearing of mute type.
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, while the usual pole in end of needle roller to the influence of exogenous impurity, such as water, dust and iron filings
It is easy to wear, and noise is larger when the operation of existing needle bearing, cannot be satisfied use demand.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of wear-resisting needle bearing of mute type, can effectively prevent outer
Boundary's impurity enters Bearing inner and lubricating oil leaks, and ensures Bearing inner lubricant effect, reduces the rate of wear of needle roller and outer ring,
Improve the service life of bearing；Noise when bearing working can be reduced well, improve the assembly precision of bearing and shaft.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows：
A kind of wear-resisting needle bearing of mute type, including outer ring are arranged with retainer in outer ring, rolling are provided on retainer
Needle, the retainer are circumferentially provided with multiple partition boards, form 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, interference fit is connected with hush pipe on the needle roller, and the both ends of the needle roller are both provided with card slot, removable in the card slot
It is connected with connector with unloading, the end set of the connector has multiple cone tanks, circular cone is connected in the cone tank,
The circular cone is rubber block.
The wall thickness of the hush pipe is not less than 1mm.
Multiple oil storage tanks are provided on the partition board.
The oil storage tank is annular groove.
The coning angle of the bellmouth is 90 °~150 °.
In the middle part of the partition board rectangular preiection 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 effectively prevent introduced contaminants into
Enter Bearing inner and lubricating oil leaks, ensure Bearing inner lubricant effect, effectively reduce the friction between each component of bearing, reduces
The rate of wear of needle roller and outer ring improves the service life of bearing；Noise when bearing working can be reduced well, improve axis
Hold the assembly precision with shaft.
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, 2, positioning disk, the 21, first cylinder section, 211, bellmouth, the 22, second cylinder section, 221, annular
Groove, 3, retainer, 4, partition board, 41, oil storage tank, 42, rectangular cam, 5, needle roller, 51, card slot, 6, hush pipe, 7, connector,
71, cone tank, 8, circular cone, 9, oil sealing.
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 wear-resisting needle bearing of mute type, including outer ring 1, it is arranged with retainer 3 in outer ring 1, is kept
It is provided with needle roller 5 on frame 3, retainer 3 is circumferentially provided with multiple partition boards 4, forms needle roller slot between adjacent separator 4, in needle roller slot
It is provided with needle roller 5, the both ends of outer ring 1 are respectively connected with positioning disk 2, and positioning disk 2 includes the first cylinder section 21 and the second cylinder section 22,
The outer diameter of first cylinder section 21 is 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, and first
Cylinder section 21 is internally provided with bellmouth 211, and annular groove 221, annular groove are provided on the inner wall of the second cylinder section 22
Oil sealing 9 is provided in 221；
By the design of the second cylinder section 22 and oil sealing 9, 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.
As shown in Fig. 2, interference fit is connected with hush pipe 6 on needle roller 5, hush pipe 6 is made of quieter material, can be compared with
Mitigate noise when needle roller 5 rotates on a large scale, the both ends of needle roller 5 are both provided with card slot 51, detachably connected in card slot 51
There are connector 7, the end set of connector 7 there are multiple cone tanks 71, circular cone 8 is connected in cone tank 71, circular cone 8 is
Rubber block has preferable wear-resisting and cushioning effect, can effectively reduce the rate of wear of needle roller end, if while the mill of connector 7
When damaging serious, it can replace at any time, it is simple and convenient.
Further, the both ends of outer ring 1 are removably connected with positioning disk 2.
Further, the wall thickness of hush pipe 6 is not less than 1mm, to enhance erasure effect.
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, by the design of hush pipe 6, can reduce bearing well
Noise when work；The design of connector 7 and circular cone 8 can effectively reduce the abrasion of 5 end of needle roller；Bearing inner lubricates
Effect is good, can effectively reduce needle roller 5 and retainer 3, the friction between needle roller 5 and outer ring 1, and effective protection bearing reduces bearing
Abrasion, improve the service life of 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 (7)
1. a kind of wear-resisting needle bearing of mute type, including outer ring, it is arranged with retainer in outer ring, needle roller is provided on retainer,
It is characterized in that the retainer is circumferentially provided with multiple partition boards, needle roller slot is formed between adjacent separator, is arranged in the needle roller slot
There is a needle roller, the both ends of the outer ring are respectively connected with positioning disk, and the positioning disk includes the first cylinder section and the second cylinder section, and first
The outer diameter of cylinder 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, described first
Body section is internally provided with bellmouth, and annular groove is provided on the inner wall of second cylinder section, is set in the annular groove
It is equipped with oil sealing, interference fit is connected with hush pipe on the needle roller, and the both ends of the needle roller are both provided with card slot, in the card slot
It is detachably connected with connector, the end set of the connector there are multiple cone tanks, cone is connected in the cone tank
Shape block, the circular cone are rubber block.
2. the wear-resisting needle bearing of mute type stated such as claim 1, characterized in that the wall thickness of the hush pipe is not less than 1mm.
3. the wear-resisting needle bearing of mute type as described in claim 1, characterized in that be provided with multiple oil storages on the partition board
Slot.
4. the wear-resisting needle bearing of mute type as claimed in claim 3, characterized in that the oil storage tank is annular groove.
5. the wear-resisting needle bearing of mute type as described in claim 1, characterized in that the coning angle of the bellmouth be 90 °~
150°。
6. the wear-resisting needle bearing of mute type as described in claim 1, characterized in that the axial direction of retainer in the middle part of the partition board
Direction is bent to form rectangular preiection.
7. the wear-resisting needle bearing of mute type as described in claim 1, characterized in that be coated on the inner wall of the outer ring resistance to
Corrosion layer, the anti-corrosion layer are externally coated with wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721776837.0U CN207830364U (en) | 2017-12-18 | 2017-12-18 | A kind of wear-resisting needle bearing of mute type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721776837.0U CN207830364U (en) | 2017-12-18 | 2017-12-18 | A kind of wear-resisting needle bearing of mute type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207830364U true CN207830364U (en) | 2018-09-07 |
Family
ID=63388055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721776837.0U Expired - Fee Related CN207830364U (en) | 2017-12-18 | 2017-12-18 | A kind of wear-resisting needle bearing of mute type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207830364U (en) |
-
2017
- 2017-12-18 CN CN201721776837.0U patent/CN207830364U/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: 20180907 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |