CN204553548U - Needle bearing - Google Patents
Needle bearing Download PDFInfo
- Publication number
- CN204553548U CN204553548U CN201520257443.9U CN201520257443U CN204553548U CN 204553548 U CN204553548 U CN 204553548U CN 201520257443 U CN201520257443 U CN 201520257443U CN 204553548 U CN204553548 U CN 204553548U
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- CN
- China
- Prior art keywords
- strip
- bearing
- guide shaft
- hole
- bearing body
- 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)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model belongs to technical field of bearings, particularly a kind of needle bearing, and comprise bearing body and be arranged at the strip through-hole on described bearing body, described strip through-hole has been embedded in roller bearing.Relative to prior art, needle bearing of the present utility model comprises bearing body and is arranged at the strip through-hole on described bearing body, described strip through-hole has been embedded in roller bearing, it adopts roller bearing (spring comprising guide shaft and be located in guide shaft) to replace the ball of prior art, due to the buffer function of spring, make it not only can reduce noise, and anti-wear, do not need numerous, the expensive ball of usage quantity simultaneously, therefore can save cost of production and assembly expenses.
Description
Technical field
The utility model belongs to technical field of bearings, particularly a kind of needle bearing.
Background technique
Needle bearing is the roller bearing of band cylindrical roller, its diameter relatively, and roller is thin but also length not only, although it has less cross section, bearing still has higher load-taking capacity.
Usually needle bearing will be used in steering drive axle between the upper cardan of vehicle steering wheel and lower cardan, but generally comprise bearing body for the needle bearing in steering drive axle at present and embed six row six row balls of described bearing body, the needle bearing of this structure has following defect: first, noise is larger, the second, cost higher (is that ball is expensive, and two is that the embedding operation of 36 balls causes its assembly cost higher), 3rd, wear resistance is poor.
In view of this, necessaryly provide a kind of needle bearing, it adopts roller bearing (spring comprising guide shaft and be located in guide shaft) to replace the ball of prior art, not only can reduce noise, and anti-wear, can also save cost of production.
Model utility content
The purpose of this utility model is: for the deficiencies in the prior art, and a kind of needle bearing is provided, it adopts roller bearing (spring comprising guide shaft and be located in guide shaft) to replace the ball of prior art, not only can reduce noise, and anti-wear, cost of production and assembly expenses can also be saved.
In order to achieve the above object, the utility model adopts following technological scheme:
Needle bearing, comprise bearing body and be arranged at the strip through-hole on described bearing body, described strip through-hole has been embedded in roller bearing (Lead Roller).
One as the utility model needle bearing is improved, and described roller bearing comprises guide shaft (Lead Screw) and is arranged at the spring (Spring) of periphery of described guide shaft.
One as the utility model needle bearing is improved, the two ends of described strip through-hole are provided with cylinder integrated with described bearing body, one end of described cylinder flushes with the edge of described bearing body, and the two ends of described guide shaft contact with the other end of described cylinder.
One as the utility model needle bearing is improved, and the periphery of described guide shaft is provided with spiral groove, and described spring embeds in described groove.
One as the utility model needle bearing is improved, and the distance between adjacent described groove is equal.
One as the utility model needle bearing is improved, the two ends of described guide shaft are provided with arc convex, the other end of described cylinder is provided with the arc groove mated with described arc convex, described guide shaft is embedded between two described cylinders with described mating of arc groove by described arc convex.
One as the utility model needle bearing is improved, described bearing body is the hollow cylinder of both ends open, described strip through-hole is set to three, the center line of three described strip through-holes and the centerline parallel of described bearing body, and three described strip through-holes being circumferentially uniformly distributed at described bearing body.
One as the utility model needle bearing is improved, and the shape of described cylinder is cylindrical, and the height of described cylinder is the 1/7-1/20 of the height of described bearing body.
One as the utility model needle bearing is improved, and the width of described cylinder is less than the width of described strip through-hole.
Relative to prior art, needle bearing of the present utility model comprises bearing body and is arranged at the strip through-hole on described bearing body, described strip through-hole has been embedded in roller bearing, it adopts roller bearing (spring comprising guide shaft and be located in guide shaft) to replace the ball of prior art, due to the buffer function of spring, make it not only can reduce noise, and anti-wear, do not need numerous, the expensive ball of usage quantity simultaneously, therefore can save cost of production and assembly expenses.
Accompanying drawing explanation
Fig. 1 is one of perspective view of the present utility model.
Fig. 2 is perspective view two of the present utility model.
Fig. 3 of the present utility modelly faces structural representation.
Fig. 4 is the main TV structure schematic diagram of guide shaft in the utility model.
Fig. 5 is the perspective view of guide shaft in the utility model.
Fig. 6 is the perspective view of the utility model medi-spring.
Fig. 7 is the package assembly schematic diagram of guide shaft and spring in the utility model.
Wherein, 1-bearing body, 2-strip through-hole, 3-roller bearing, 31-guide shaft, 311-groove, 312-arc convex, 32-spring, 4-cylinder, 41-arc groove.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the utility model and beneficial effect thereof are described in more detail, but embodiment of the present utility model is not limited to this.
Refer to Fig. 1 to Fig. 7, the needle bearing that the utility model provides, the strip through-hole 2 comprising bearing body 1 and be arranged on bearing body 1, strip through-hole 2 has been embedded in roller bearing 3(Lead Roller).The bearing of trend of this strip through-hole 2 is consistent with the short transverse of bearing body 1.
Roller bearing 3 comprises guide shaft 31(Lead Screw) and be arranged at the spring 32(Spring of periphery of guide shaft 31).The bearing of trend of guide shaft 31 is also consistent with the short transverse of bearing body 1.
The two ends of strip through-hole 2 are provided with the integrated cylinder 4 with bearing body 1, and one end of cylinder 4 flushes with the edge of bearing body 1, and namely the end face of whole ball bearing is smooth, and cylinder 4 does not protrude from outside bearing body 1.The two ends of guide shaft 31 contact with the other end of cylinder 4, thus realize the fixing of guide shaft 31.
The periphery of guide shaft 31 is provided with spiral groove 311, and spring 32 embeds in groove 311, thus fixes spring 32.During practical operation, one end of spiral spring 32 is screwed in the groove 311 being positioned at one end of guide shaft 31, then according to same direction torsional spring 32, spiral spring 32 is advanced along spiral groove 311, until one end of spring 32 arrives the groove 311 being positioned at the other end of guide shaft 31, and the other end of spring 32 arrives the groove 311 being positioned at one end of guide shaft 31, namely complete the assembling of spring 32 and guide shaft 31.
Distance between adjacent groove 311 is equal, and the guide shaft 31 of this structure is convenient to processing.
The two ends of guide shaft 31 are provided with arc convex 312, the other end of cylinder 4 are provided with the arc groove 41 mated with arc convex 312, and guide shaft 31 is embedded between two cylinders 4 with mating of arc groove 41 by arc convex 312.This Placement is simple, and cost is low, and assembly and disassembly are all easy to realize.
The hollow cylinder of bearing body 1 in both ends open, strip through-hole 2 is set to three, the center line of three strip through-holes 2 and the centerline parallel of bearing body 1, and three strip through-holes 2 being circumferentially uniformly distributed at bearing body 1.Namely in 120 ° between adjacent strip through-hole 2.
The shape of cylinder 4 is cylindrical, and the height of cylinder 4 is the 1/7-1/20 of the height of bearing body 1, and the width of cylinder 4 is less than the width of strip through-hole 2.
In a word, the strip through-hole 2 that needle bearing of the present utility model comprises bearing body 1 and is arranged on bearing body 1, strip through-hole 2 has been embedded in roller bearing 3, its spring 32 adopting roller bearing 3(to comprise guide shaft 31 and be located in guide shaft 31) replace the ball of prior art, due to the buffer function of spring 32, make it not only can reduce noise, and anti-wear, do not need numerous, the expensive ball of usage quantity simultaneously, therefore can save cost of production and assembly expenses.
The announcement of book and elaboration according to the above description, the utility model those skilled in the art can also change above-mentioned mode of execution and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should in the protection domain of claim of the present utility model to equivalent modifications more of the present utility model and change.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (9)
1. needle bearing, is characterized in that: comprise bearing body and be arranged at the strip through-hole on described bearing body, described strip through-hole has been embedded in roller bearing.
2. needle bearing according to claim 1, is characterized in that: described roller bearing comprises guide shaft and is arranged at the spring of periphery of described guide shaft.
3. needle bearing according to claim 2, it is characterized in that: the two ends of described strip through-hole are provided with cylinder integrated with described bearing body, one end of described cylinder flushes with the edge of described bearing body, and the two ends of described guide shaft contact with the other end of described cylinder.
4. needle bearing according to claim 2, is characterized in that: the periphery of described guide shaft is provided with spiral groove, and described spring embeds in described groove.
5. needle bearing according to claim 4, is characterized in that: the distance between adjacent described groove is equal.
6. needle bearing according to claim 3, it is characterized in that: the two ends of described guide shaft are provided with arc convex, the other end of described cylinder is provided with the arc groove mated with described arc convex, described guide shaft is embedded between two described cylinders with described mating of arc groove by described arc convex.
7. needle bearing according to claim 1, it is characterized in that: described bearing body is the hollow cylinder of both ends open, described strip through-hole is set to three, the center line of three described strip through-holes and the centerline parallel of described bearing body, and three described strip through-holes being circumferentially uniformly distributed at described bearing body.
8. needle bearing according to claim 3, is characterized in that: the shape of described cylinder is cylindrical, and the height of described cylinder is the 1/7-1/20 of the height of described bearing body.
9. want the needle bearing described in 3 according to right, it is characterized in that: the width of described cylinder is less than the width of described strip through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257443.9U CN204553548U (en) | 2015-04-24 | 2015-04-24 | Needle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257443.9U CN204553548U (en) | 2015-04-24 | 2015-04-24 | Needle bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553548U true CN204553548U (en) | 2015-08-12 |
Family
ID=53828663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520257443.9U Expired - Fee Related CN204553548U (en) | 2015-04-24 | 2015-04-24 | Needle bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200056A (en) * | 2016-03-16 | 2017-09-26 | 梦想科技股份有限公司 | The sliding closure of automobile universal joint |
-
2015
- 2015-04-24 CN CN201520257443.9U patent/CN204553548U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200056A (en) * | 2016-03-16 | 2017-09-26 | 梦想科技股份有限公司 | The sliding closure of automobile universal joint |
| CN107200056B (en) * | 2016-03-16 | 2019-07-12 | 梦想科技股份有限公司 | The sliding closure of automobile universal joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20180424 |