CN203979190U - A kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly - Google Patents
A kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly Download PDFInfo
- Publication number
- CN203979190U CN203979190U CN201420294413.0U CN201420294413U CN203979190U CN 203979190 U CN203979190 U CN 203979190U CN 201420294413 U CN201420294413 U CN 201420294413U CN 203979190 U CN203979190 U CN 203979190U
- Authority
- CN
- China
- Prior art keywords
- universal joint
- shim body
- compensated
- hole
- groove
- 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 - Lifetime
Links
- 239000004677 Nylon Substances 0.000 title claims abstract description 16
- 229920001778 nylon Polymers 0.000 title claims abstract description 16
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 14
- 238000003754 machining Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 5
- 229920006324 polyoxymethylene Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- -1 Polyoxymethylene Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Sliding-Contact Bearings (AREA)
Abstract
The utility model is applicable to universal joint technical field, discloses a kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly, comprises shim body, and shim body is provided with groove, through hole and some stiffening ribs; Through hole is positioned at the center of shim body and runs through shim body; Groove is arranged on the inner surface of shim body; Stiffening rib is convexly equipped with in inside grooves, it is characterized in that: in shim body, also convex with some salient points, salient point is arranged on the outer surface of shim body, and salient point exceeds the outer surface of shim body.A kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly that the utility model provides, simple in structure, after installation, effectively compensated the machining tolerance of each parts of universal joint, make again universal joint there is good dynamic balancing shock-absorbing capacity, strengthened the sealability of universal joint, the rotating speed that has solved universal joint reduces problem, thereby is beneficial to combination property and the market competitiveness that improves universal joint.
Description
[technical field]
The utility model relates to a kind of universal joint pad, relates in particular to a kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly.
[background technique]
Whether universal joint is by there being obvious elasticity can be divided into rigid universal joint and flexible universal joint on torsional direction.On automobile, widely used rigid universal joint is cross axle rigid universal joint.Cardan universal joint comprises cross axle axis body, universal-joint fork and axle sleeve, axle sleeve is enclosed within on two pairs of axle journals of cross axle axis body, like this when driving shaft rotates, driven shaft both can rotate thereupon, can swing in any direction around spider center again, so just adapt to the needs that angle and distance change simultaneously.How universal joint when assembling, need to add pad between the inwall of axle sleeve front end side and the end of trunnion journal, in order to reduce friction, and the sealability of each parts of raising universal joint.
The pad using in prior art is all flat pad, because each assembling component exist machining error, between trunnion journal and axle sleeve, often there is gap, flat pad when support and connection often because surface of contact is excessive, discontinuity, can cause resistance to motion large, cause the axial float of universal-joint journal.Therefore the problem of universal joint bumpy motion, poor sealing performance does not still solve.
[model utility content]
The purpose of this utility model is to provide a kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly, be intended to solve universal joint assembly of the prior art because machining tolerance causes between universal-joint journal and axle sleeve gap larger, easily increase the friction between the end of axle journal and the inwall of the front end side of axle sleeve, and generation play, the problem of bumpy motion, poor sealing performance.
It is inadequate that the utility model also solves the existing pad moment of torsion being arranged between universal-joint journal and axle sleeve simultaneously, affects the technical problem of universal joint rotating speed.
For achieving the above object, the utility model proposes a kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly, comprise shim body, described shim body is provided with groove, through hole and some stiffening ribs; Described through hole is positioned at the center of shim body, and described through hole runs through shim body; Described groove is arranged on the inner surface of described shim body, and described groove is concentric with through hole, and the diameter of described groove is greater than the diameter of through hole; Described stiffening rib is convexly equipped with in inside grooves, it is characterized in that: in described shim body, also convex with some salient points, described salient point is arranged on the outer surface of shim body, and described salient point exceeds the outer surface of shim body.
As preferably, described salient point is spherical crown shape or cylindric.
As preferably, the quantity of described salient point is more than three and three, and described salient point is uniformly distributed around described through hole.
As preferably, described stiffening rib is less than the degree of depth of described groove at the height of described inside grooves projection.
As preferably, described stiffening rib radially distributes centered by described through hole.
The beneficial effects of the utility model: compared with prior art, a kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly that the utility model provides, simple in structure, after installation, effectively compensated the machining tolerance of each parts of universal joint, make again universal joint there is good dynamic balancing shock-absorbing capacity, strengthened the sealability of universal joint, the rotating speed that has solved universal joint reduces problem, thereby is beneficial to combination property and the market competitiveness that improves universal joint.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the plan view of a preferred embodiment of the present utility model;
Fig. 2 is the cross sectional side view of a preferred embodiment of the present utility model;
Fig. 3 is the enlarged view of I portion in Fig. 2;
Fig. 4 is use view of the present utility model.
[embodiment]
For making the purpose of this utility model, technological scheme and advantage more cheer and bright, below by accompanying drawing and embodiment, the utility model is further elaborated.But should be appreciated that, specific embodiment described herein only, in order to explain the utility model, is not limited to scope of the present utility model.In addition, in the following description, omitted the description to known configurations and technology, to avoid unnecessarily obscuring concept of the present utility model.
Consult Fig. 1, Fig. 2, Fig. 3, a kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly comprises shim body 11, is provided with the through hole 12 that runs through shim body 11 at shim body 11 center.Inner surface in shim body 11 is provided with groove 13, and groove 13 is concentric with through hole 12, and the diameter of this groove 13 is greater than the diameter of through hole 12.Between groove 13 and shim body 11, be formed on again the bulge loop 14 of shim body 11 outer rims.Groove 13 inside convex with 8 stiffening ribs 15, and stiffening rib 15 is radial and distributes around through hole 12, and this stiffening rib 15 is less than the degree of depth of groove 13 at the height of groove 13 internal protrusion.That is to say, stiffening rib 15 place planes are lower than bulge loop 14 place planes.On the outer surface of shim body 11, be provided with 4 salient points 16, salient point 16 exceeds the outer surface of shim body 11, and this salient point 16 is uniformly distributed around through hole 12.In the present embodiment, salient point 16 is spherical crown shape, certainly, also can be other shapes, as cylindric etc.Preferred material of the present utility model is nylon, certainly, also can adopt other high temperature heat-resistant plastic material similar to nylon characteristic, as POM (Polyoxymethylene, polyoxymethylene) etc.
Consult Fig. 1, Fig. 4, the utility model can be arranged in universal joint 21.The axle sleeve 23 that universal joint 21 comprises trunnion journal 22 and matches with it, between the outer wall of axle sleeve 23 inside and trunnion journal 22, be provided with equally distributed needle roller 24, the utility model is arranged between the inwall and trunnion journal 22 end sides of axle sleeve 23 front end sides.During actual use, the bulge loop 14 of shim body 11 and axle sleeve 23 inwalls laminatings, for fixing needle roller 24, prevent the lateral movement of axle sleeve 23.Stiffening rib 15 and trunnion journal 22 end sides laminatings, both reduced the area of contact of shim body 11 and trunnion journal 22, improve again the rigidity of shim body 11, increase the moment of torsion of universal joint 21, thereby make universal joint 21 there is good dynamic balancing shock-absorbing capacity.Groove 13 is interior can store lubricant oil, lubricant oil is provided can to stiffening rib 15 and the surface of contact of trunnion journal 22, reduces the frictional force of this surface of contact, has improved the wear resistance of shim body 11, extends the working life of shim body 11.Salient point 16 is conflicted at the inwall of axle sleeve 23 front end sides, for adjusting the machining tolerance of universal joint 21 parts, and the tolerance range between compensation trunnion journal 22 and axle sleeve 23.Salient point 16 also makes shim body 11 and the inwall surface of contact of axle sleeve 23 front end sides reduce simultaneously, has reduced the inwall of axle sleeve 23 front end sides and the friction between shim body 11, thereby has solved the technical problem of universal joint 21 bumpy motions.
Specific implementation process of the present utility model is as follows: when universal joint 21 parts, if there is machining tolerance between trunnion journal 22 and axle sleeve 23, axle sleeve 23 can not be in place.At this moment only need the direction push collar 23 of exerting oneself to trunnion journal 22, axle sleeve 23 extruding shim body 11, salient point 16 in shim body 11 is racked, that is to say, can firmly axle sleeve 23 be pushed into appointed place, and then guaranteed the quality of fit between axle sleeve 23 and trunnion journal 22, and compensated the object of the machining tolerance between trunnion journal 22 and axle sleeve 23, improve the sealing effect of axle sleeve 23 and trunnion journal 22.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace or improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. be applied to a nylon spacer for compensated for the accumulated tolerance of universal joint assembly, comprise shim body (11), described shim body is provided with groove (13), through hole (12) and some stiffening ribs (15); Described through hole (12) is positioned at the center of shim body (11), and described through hole (12) runs through shim body (11); Described groove (13) is arranged on the inner surface of described shim body (11), and described groove (13) is concentric with through hole (12), and the diameter of described groove (13) is greater than the diameter of through hole (12); Described stiffening rib (15) is convexly equipped with in groove (13) inside, it is characterized in that: in described shim body (11), also convex with some salient points (16), described salient point (16) is arranged on the outer surface of shim body (11), and described salient point (16) exceeds the outer surface of shim body (11).
2. a kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly as claimed in claim 1, is characterized in that: described salient point (16) is spherical crown shape or cylindric.
3. a kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly as claimed in claim 2, it is characterized in that: the quantity of described salient point (16) is more than three and three, described salient point (16) is uniformly distributed around described through hole (12).
4. a kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly as claimed in claim 1, is characterized in that: described stiffening rib (15) is less than the degree of depth of described groove (13) at the height of described groove (13) internal protrusion.
5. a kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly as claimed in claim 4, is characterized in that: described stiffening rib (15) radially distributes centered by described through hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294413.0U CN203979190U (en) | 2014-06-03 | 2014-06-03 | A kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294413.0U CN203979190U (en) | 2014-06-03 | 2014-06-03 | A kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979190U true CN203979190U (en) | 2014-12-03 |
Family
ID=51976639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420294413.0U Expired - Lifetime CN203979190U (en) | 2014-06-03 | 2014-06-03 | A kind of nylon spacer that is applied to compensated for the accumulated tolerance of universal joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203979190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784448A (en) * | 2016-12-22 | 2017-05-31 | 泰州久诺杰电子科技有限公司 | A kind of battery rubber sheet gasket with positioning action |
-
2014
- 2014-06-03 CN CN201420294413.0U patent/CN203979190U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784448A (en) * | 2016-12-22 | 2017-05-31 | 泰州久诺杰电子科技有限公司 | A kind of battery rubber sheet gasket with positioning action |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Xiaoshan District Shushan street gold plow village in Hangzhou city of Zhejiang Province in 311203 Patentee after: Hangzhou Zhengqiang Transmission Co.,Ltd. Address before: Xiaoshan District Shushan street gold plow village in Hangzhou city of Zhejiang Province in 311203 Patentee before: HANGZHOU ZHENGQIANG UNIVERSAL JOINT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |
|
| CX01 | Expiry of patent term |