CN204419902U - A kind of ball-joint universal joint - Google Patents
A kind of ball-joint universal joint Download PDFInfo
- Publication number
- CN204419902U CN204419902U CN201520056250.7U CN201520056250U CN204419902U CN 204419902 U CN204419902 U CN 204419902U CN 201520056250 U CN201520056250 U CN 201520056250U CN 204419902 U CN204419902 U CN 204419902U
- Authority
- CN
- China
- Prior art keywords
- joint
- universal
- ball
- clamp
- turning surface
- 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
Links
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model relates to mechanical transmission member field, has particularly related to a kind of ball-joint universal joint.This ball-joint universal joint comprises two universal-joint forks and joint ball, the clamp that each universal-joint fork includes jaw and is oppositely arranged, jaw comprises yoke, described clamp is positioned on corresponding yoke, the inner side of clamp is provided with the ball-and-socket corresponding with joint ball, in addition, the inner side of clamp is provided with conical turning surface, the taper shape that described turning surface is formed outwards becomes large gradually inside clamp, joint ball is stuck between the clamp of two universal-joint forks, the tangent laminating of turning surface of the adjacent clamp of two universal-joint forks.Ball-joint universal joint of the present utility model, advantageously in realizing miniaturization, solves the problem that existing universal joint can not meet the transmission usage requirement of little space.
Description
Technical field
The utility model relates to mechanical transmission member field, has particularly related to a kind of ball-joint universal joint.
Background technique
Universal joint is the transmission part often can used in mechanical transmission fields; it can realize the transmission of the rotating power between the unfixed diaxon of angle, thus needs in automobile, lathe and robot etc. all to obtain in the field of complicated driving mechanism to apply very widely.
Universal joint common in the market mainly contains two kinds, i.e. cross axle joint universal joint and ball-joint formula universal joint, about cross axle joint universal joint.Wherein cardan universal joint is a kind of nonconstant velocity universal joint, and it comprises a cross axle, and two universal-joint forks and four needle bearings, the hole on two universal-joint forks is enclosed within two pairs of axle journals of cross axle respectively.Needle bearing is contained between trunnion journal and universal joint entry, and needle bearing outer ring is by snap ring axially locating.Like this when driving shaft rotates, driven shaft both can rotate thereupon, can swing in any direction again around spider center, had so just adapted to angle and the needs that simultaneously change of distance.In actual production, Hooke's joint obtains and applies very widely in automobile industry.
Ball-joint formula universal joint described herein mainly refers to rzeppa universal joint and weiss universal joint.Highlight the structure of rzeppa universal joint herein.Rzeppa universal joint comprises star sleeve, driving shaft, spherical shell, steel ball and retainer, and wherein star sleeve is connected with driving shaft with internal spline, and its outer surface has arc groove, and raceway in being formed, the internal surface of spherical shell has corresponding arc groove, forms outer raceway.Steel ball to be contained in respectively by raceway inside and outside six groups in the space gone out, and be kept frame and be limited in same plane.During use, the power of rzeppa universal joint passes to spherical shell by driving shaft and star sleeve through steel ball and exports, and about the structure of rzeppa universal joint, publication No. is have relevant introduction in the Chinese patent application of CN103832464A, no longer repeats herein.
Known by introducing above, need in the universal joint of cross axle joint to punch needle bearing and cross axle are installed on universal-joint fork, and after assembling, the part of assembling with universal-joint fork of cross axle participates in power transmission directly when universal joint works, need higher intensity, no matter be therefore from manufacture, or from use, the degree of miniaturization of cross axle joint universal joint is all limited, and the little space transmission occasion special at some cannot meet usage requirement.For rzeppa universal joint, need on the one hand to process arc groove on star sleeve, the assembling of steel ball also needs to use retainer on the other hand, add the assembling owing to will realize spherical shell, spherical shell coordinates with steel ball indeed through cantilever pawl one by one, and cantilever pawl also participates in power transmission directly when rzeppa universal joint works, therefore the degree of miniaturization of rzeppa universal joint is also limited, cannot meet the usage requirement of some special little space transmission occasions.
In sum, common in the market universal joint ubiquity the problem that cannot realize little (micro-) type, can not meet the transmission usage requirement of little space.
Summary of the invention
The purpose of this utility model is to provide a kind of ball-joint universal joint, cannot realize microminiaturization, can not meet the problem of little space transmission usage requirement to solve existing universal joint.
In order to solve the problem, ball-joint universal joint of the present utility model is by the following technical solutions: ball-joint universal joint, comprise two universal-joint forks and joint ball, the clamp that each universal-joint fork includes jaw and is oppositely arranged, jaw comprises yoke, described clamp is positioned on corresponding yoke, the inner side of clamp is provided with the ball-and-socket corresponding with joint ball, in addition, the inner side of clamp is provided with conical turning surface, the taper shape that described turning surface is formed outwards becomes large gradually inside clamp, joint ball is stuck between the clamp of two universal-joint forks, the tangent laminating of turning surface of the adjacent clamp of two universal-joint forks.
Described turning surface is positioned at the edge of corresponding clamp and makes the external frame of clamp form taper type.
The U-shaped portion that described universal-joint fork comprises front end and the tailing axle be fixed in U-shaped portion, the armstand of the U-shaped that described yoke is formed by described U-shaped portion is formed.
Described universal-joint fork is integral type structure, and described yoke is elasticity yoke.
Because the inner side of the clamp of the universal-joint fork of ball-joint universal joint of the present utility model is provided with conical turning surface, joint ball is stuck between the clamp of two universal-joint forks, and the tangent laminating of turning surface of the adjacent clamp of two universal-joint forks, therefore, when in use, joint ball only actually uses as the connection bonded block of two universal-joint forks, therefore requirement is not done to the large I of joint ball itself, only need to ensure between universal-joint fork ball-and-socket and joint ball as being slidably matched, power transmission and transmission are then realize by pushing away mutually between adjacent clamp, and clamp is coordinated with joint ball by ball-and-socket, therefore can maximizedly reduce, simultaneously as the direct effect parts of power transmission and transmission part, clamp itself is without the need to doing too much destructive structure, thus be more easy to proof strength, this reduces also to a certain extent in order to clamp the condition of providing.In sum, ball-joint universal joint of the present utility model is advantageously microminiaturized in realization, solves the problem that existing universal joint can not meet the transmission usage requirement of little space.
Further, directly the outward edge of clamp being set to turning surface can the volume of maximized reduction clamp; Adopt elasticity yoke to be directly stuck on joint ball by clamp, facilitate the assembling between universal-joint fork and joint ball, simplify assembly structure therebetween.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of ball-joint universal joint;
Fig. 2 is the structural representation of universal-joint fork.
Embodiment
The embodiment of ball-joint universal joint, as shown in Figure 1-2, this ball-joint universal joint comprises universal-joint fork 101 and joint ball 102.
Universal-joint fork 101 has two, and the structure of two universal-joint forks 101 is identical, therefore only highlights the structure of a universal-joint fork herein.In the present embodiment, the time integral structure that universal-joint fork 101 adopts, it clamp 11 comprising jaw and be oppositely arranged, jaw comprises yoke 12, yoke 12 is elasticity yoke, clamp 11 is positioned on corresponding yoke 12, the inner side of clamp 11 is provided with the ball-and-socket 13 corresponding with joint ball 102 and conical turning surface 14, the taper shape that turning surface 14 is formed outwards becomes large gradually inside clamp 11, joint ball 102 is stuck between the clamp of two universal-joint forks, the tangent laminating of turning surface of the adjacent clamp of two universal-joint forks.In the present embodiment, the U-shaped portion that universal-joint fork 101 comprises front end and the tailing axle 15 be fixed in U-shaped portion, yoke 12 is that the armstand of the U-shaped formed by described U-shaped portion is formed.Turning surface 14 is positioned at the edge of corresponding clamp, in fact makes the periphery of clamp constitute described turning surface thus, and this structure makes the external frame of clamp form taper type simultaneously.
Joint ball 102 can adopt common steel ball, or with balls of making of high-abrasive material such as potteries, because the inner side surface of clamp is provided with ball-and-socket, yoke is elasticity yoke, therefore when assembling, two of a universal-joint fork yoke can be broken into two with one's hands, thus joint ball is stuck in the ball-and-socket of two clamps, two universal-joint forks are stuck in after on joint ball, then can realize the connection to two universal-joint forks, meanwhile, be stuck in the tangent laminating of turning surface of the adjacent clamp of two universal-joint forks on joint ball, the cooperation between adjacent clamp is slidably matched.Be coordinate with tangent form all the time between the turning surface of adjacent clamp, when one of them universal-joint fork rotates around its tailing axle, then power just can reach the clamp of another universal-joint fork via its clamp, is finally exported by the tailing axle of another universal-joint fork.
In other embodiment of ball-joint universal joint, the outer contour shape of clamp entirety can be unrestricted, and only need to ensure to be provided with described ball-and-socket and turning surface inside it, wherein turning surface can be provided at the periphery of the boss inside clamp; In addition, universal-joint fork can also adopt split type structure, and yoke just can be the assembling that elasticity yoke also can realize between universal-joint fork and joint ball in such cases.Not only in little micro-space, also can realize application under scale amplifying to stock size simultaneously.
Claims (4)
1. ball-joint universal joint, comprise two universal-joint forks and joint ball, it is characterized in that, the clamp that each universal-joint fork includes jaw and is oppositely arranged, jaw comprises yoke, described clamp is positioned on corresponding yoke, the inner side of clamp is provided with the ball-and-socket corresponding with joint ball, in addition, the inner side of clamp is provided with conical turning surface, the conical bus that turning surface is formed and the angle at the end are 45 °, the taper shape that described turning surface is formed outwards becomes large gradually inside clamp, joint ball is stuck between the clamp of two universal-joint forks, the tangent laminating of turning surface of the adjacent clamp of two universal-joint forks.
2. ball-joint universal joint according to claim 1, is characterized in that, described turning surface is positioned at the edge of corresponding clamp and makes the external frame of clamp form taper type.
3. ball-joint universal joint according to claim 1, is characterized in that, the U-shaped portion that described universal-joint fork comprises front end and the tailing axle be fixed in U-shaped portion, the armstand of the U-shaped that described yoke is formed by described U-shaped portion is formed.
4. the ball-joint universal joint according to any one of claim 1-3, is characterized in that, described universal-joint fork is integral type structure, and described yoke is elasticity yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056250.7U CN204419902U (en) | 2015-01-27 | 2015-01-27 | A kind of ball-joint universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056250.7U CN204419902U (en) | 2015-01-27 | 2015-01-27 | A kind of ball-joint universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204419902U true CN204419902U (en) | 2015-06-24 |
Family
ID=53470274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520056250.7U Expired - Fee Related CN204419902U (en) | 2015-01-27 | 2015-01-27 | A kind of ball-joint universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204419902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595373A (en) * | 2015-01-27 | 2015-05-06 | 赵柯 | Globe joint cardan |
| CN106089999A (en) * | 2016-08-01 | 2016-11-09 | 吕伟涛 | Automatically reset articulation structure |
-
2015
- 2015-01-27 CN CN201520056250.7U patent/CN204419902U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595373A (en) * | 2015-01-27 | 2015-05-06 | 赵柯 | Globe joint cardan |
| CN106089999A (en) * | 2016-08-01 | 2016-11-09 | 吕伟涛 | Automatically reset articulation structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014136626A1 (en) | Propeller shaft and adapter member for propeller shaft | |
| CN204419902U (en) | A kind of ball-joint universal joint | |
| CN202659753U (en) | Dual-duplex self-centering universal joint transmission shaft | |
| CN203322084U (en) | Button-type universal connecting shaft for rolling equipment | |
| CN104912951A (en) | Cardan joint capable of being assembled and disassembled rapidly | |
| CN102943815B (en) | Eccentric bearing and multifunctional saw | |
| CN202251504U (en) | Wide-angle driving universal joint | |
| CN104595373A (en) | Globe joint cardan | |
| CN112460161A (en) | Self-centering constant velocity universal joint assembly | |
| CN202326788U (en) | Constant-speed driving shaft ball-shaped cage | |
| CN204053538U (en) | A kind of positioning tool being applicable to processing clutch can | |
| CN105276016B (en) | A kind of many driving universal joints | |
| CN202468729U (en) | Connecting structure of long shaft and bearing | |
| CN201507568U (en) | Universal gear driving and speed-shifting mechanism | |
| CN203560322U (en) | Three-fork double-side steel ball type universal coupling with constant angular velocity | |
| CN105020280A (en) | Double-cardan universal joint | |
| CN205118031U (en) | Steel wire retainer ring locate mode transmission shaft assembly | |
| CN104863979A (en) | Double-eccentric constant velocity universal joint transmission shaft assembly | |
| CN204921727U (en) | Sandy beach car rzeppa universal joint | |
| CN210265563U (en) | Universal joint capable of bearing axial force | |
| CN203892367U (en) | Novel ball bearing | |
| CN202560865U (en) | Novel variable high-efficiency and large swing angle constant-speed driving shaft assembly | |
| CN208024736U (en) | A kind of transmission shaft with cage | |
| CN204506553U (en) | A kind of driving-shaft assembly | |
| CN202926883U (en) | Eccentric bearing and multifunctional saw |
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 |
Granted publication date: 20150624 Termination date: 20170127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |