CN204403193U - Spline joint - Google Patents
Spline joint Download PDFInfo
- Publication number
- CN204403193U CN204403193U CN201520010759.8U CN201520010759U CN204403193U CN 204403193 U CN204403193 U CN 204403193U CN 201520010759 U CN201520010759 U CN 201520010759U CN 204403193 U CN204403193 U CN 204403193U
- Authority
- CN
- China
- Prior art keywords
- joint body
- slippage
- spline
- live axle
- slippage chamber
- 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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- Sealing Devices (AREA)
Abstract
The utility model relates to a kind of spline joint, comprise joint body, this joint body outer circumferential face is surrounded with spline, joint body inner peripheral surface be arranged in parallel several guiding grooves vertically, this guiding groove is equally spaced along joint body inner peripheral surface circumference, is provided with the locking framework automatically locked by joint body in live axle at least one guiding groove.Adopt such scheme, the utility model provides a kind of spline joint automatically locked in live axle.
Description
Technical field
The utility model relates to a kind of linkage part, is specifically related to a kind of spline joint.
Background technique
Spline joint is joint outer circumferential face being surrounded with spline, it is sleeved on and drives the tip of the axis to make its end have the function linked with other axles, traditional spline joint needs additionally to increase fixed block and correspondence offers locking aperture due to the function not possessing axially locking spline, makes troubles to the live axle of unified standard.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of spline joint automatically locked in live axle.
For achieving the above object, the utility model provides following technological scheme: comprise joint body, this joint body outer circumferential face is surrounded with spline, it is characterized in that: described joint body inner peripheral surface be arranged in parallel several guiding grooves vertically, this guiding groove is equally spaced along joint body inner peripheral surface circumference, is provided with the locking framework automatically locked by joint body in live axle at least one described guiding groove.
By adopting technique scheme, locking framework is arranged at joint body, avoids processing each live axle to install spline joint, decreasing workload, add the Applicable scope of spline joint, the function that this locking framework automatically locks can be realized by multiple reducible assembly.
The utility model is set to further: described locking framework comprise be arranged at joint body slippage chamber, slipping block and Returnning spring, described slippage chamber opposing tabs body radial direction arranges and opening is positioned at guiding groove bottom land, described slipping block slippage in slippage chamber and wherein one end extends to the outer and live axle of opening and offsets, described Returnning spring is installed with and is resetted in the direction of slipping block to opening between slipping block and slippage chamber, and described slippage chamber is positioned at opening and is provided with damp block slipping block being limited in slippage chamber.
By adopting technique scheme, the opening of slipping block to slippage chamber resets by Returnning spring, when live axle stretch into joint body inner time automatically and live axle automatically lock to joining formation, and damp block avoids slipping block disengaging slippage chamber.
The utility model is set to further: described slipping block comprises slippage in the slipping part in slippage chamber and the auxiliary section that extends to outside opening, described auxiliary section opposing tabs body shaft to both sides be respectively arranged with and guide live axle by the guiding cambered surface of press-fitted portions and two guide and be provided with connection two between cambered surfaces and guide cambered surface and with live axle to the connection cambered surface of joining, this connection cambered surface be coated with elastic connecting contact layer.
By adopting technique scheme, the guiding cambered surface of both sides makes live axle from which direction stretch into slipping block all can be made to bounce back to slippage chamber, and connect the cambered surface moment keep with live axle to joining and carrying out transition by being connected cambered surface, the setting of arc is also convenient to match with live axle, the elastic connecting contact layer that connection cambered surface covers then reduces the friction between live axle, namely reduces the wearing and tearing of live axle.
The utility model is set to further: described cross section, slippage chamber is trapezoid shaped, compresses and be provided with dismountable elasticity packed layer between the side that described slipping part is corresponding with this trapezoidal hypotenuse and slippage chamber.
By adopting technique scheme, elasticity packed layer gives frictional force certain between slipping part and slippage chamber, coordinates Returnning spring to increase stability, and when making live axle High Rotation Speed, slipping part can not because of the effect of centrifugal force to slippage outside joint body.
The utility model is set to further: the position that described slipping part is corresponding with elasticity packed layer is axially provided with T-slot along joint body, and described elasticity packed layer is provided with the T-shaped bar suitable with this T-slot.
By adopting technique scheme, the T-shaped bar coordinated with T-slot is convenient to elasticity packed layer to change in time after using compressibility and reset to be deteriorated for a long time, the performance of assurance function.
The utility model is set to further: described elastic connecting contact layer and the material of elasticity packed layer are rubber.
By adopting technique scheme, rubber is with low cost, and compressibility is good, and while reducing the wearing and tearing of elastic connecting contact layer and live axle, the moment fills the space between slipping part and slippage chamber, and function is more various.
The utility model is set to further: the axial end, one end of described joint body is provided with the lead-in chamfered extending to guiding groove bottom land.
By adopting technique scheme, the setting of lead-in chamfered makes live axle automatic and spline joint automatic centering when mounted, avoids reducing installation efficiency by range estimation contraposition.
The utility model is set to further: described locking framework is two and is arranged at respectively in relative guiding groove.
By adopting technique scheme, two locking frameworks ensure the stability after locking further.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the stereogram of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment;
Fig. 3 is the enlarged view of A in Fig. 2.
Embodiment
As shown in Fig. 1-Fig. 3, the utility model discloses a kind of spline joint, comprise joint body 1, this joint body 1 outer circumferential face is surrounded with spline 2, joint body 1 inner peripheral surface be arranged in parallel several guiding grooves 3 vertically, this guiding groove 3 is equally spaced along joint body 1 inner peripheral surface circumference, the locking framework 4 automatically locked by joint body in live axle is provided with at least one guiding groove 3, locking framework 4 is arranged at joint body 1, avoid processing each live axle to install spline joint, decrease workload, add the Applicable scope of spline joint, the function that this locking framework 4 automatically locks can be realized by multiple reducible assembly.
Locking framework 4 comprises the slippage chamber 41 being arranged at joint body 1, slipping block 42 and Returnning spring 43, slippage chamber 41 opposing tabs body 1 radial direction arranges and opening 411 is positioned at guiding groove 3 bottom land, slipping block 42 slippage in slippage chamber 41 and wherein one end extends to the outer and live axle of opening 411 and offsets, Returnning spring 43 is installed with and is resetted in the direction of slipping block 42 to opening 411 between slipping block 42 and slippage chamber 41, slippage chamber 41 is positioned at opening 411 place and is provided with the damp block 412 slipping block 42 being limited in slippage chamber 41, the opening 411 of slipping block 42 to slippage chamber 41 resets by Returnning spring 43, when live axle stretch into joint body 1 inner time automatically and live axle automatically lock to joining formation, and damp block 412 avoids slipping block 42 to depart from slippage chamber 11.
Slipping block 42 comprises slippage in the slipping part 421 in slippage chamber 41 and the auxiliary section 422 that extends to outside opening 411, the both sides of auxiliary section 422 opposing tabs body 1 axis are respectively arranged with and guide live axle by the guiding cambered surface 4221 of press-fitted portions 422 and two guide and to be provided with connection two between cambered surfaces 4221 and to guide cambered surface 4221 and with live axle to the connection cambered surface 4222 of joining, this connection cambered surface 4222 is coated with elastic connecting contact layer 4223, the guiding cambered surface 4221 of both sides makes live axle from which direction stretch into slipping block 42 all can be made to bounce back to slippage chamber 41, and connect cambered surface 4222 moment keep with live axle to joining and carrying out transition by being connected cambered surface 4221, the setting of arc is also convenient to match with live axle, connect the friction between elastic connecting contact layer 4223 minimizing of covering in cambered surface 4221 with live axle and the undersize of supplement trace, namely the wearing and tearing of live axle are reduced.
Cross section, slippage chamber 41 is trapezoid shaped, compress between the side that slipping part 421 is corresponding with this trapezoidal hypotenuse and slippage chamber 41 and be provided with dismountable elasticity packed layer 423, elasticity packed layer 423 gives frictional force certain between slipping part 421 and slippage chamber 41, coordinate Returnning spring 43 to increase stability, when making live axle High Rotation Speed, slipping part can not because of the effect of centrifugal force to slippage outside joint body 1.
The position that slipping part 421 is corresponding with elasticity packed layer 423 is axially provided with T-slot 4211 along joint body 1, elasticity packed layer 423 is provided with the T-shaped bar 4231 suitable with this T-slot 4211, the T-shaped bar 4231 coordinated with T-slot 4211 is convenient to elasticity packed layer 423 to change in time after using compressibility and reset to be deteriorated for a long time, the performance of assurance function.
The material of elastic connecting contact layer 4223 and elasticity packed layer 423 is rubber, and rubber is with low cost, and compressibility is good, and while reducing the wearing and tearing of elastic connecting contact layer 4223 and live axle, the moment fills the space between slipping part 421 and slippage chamber 41, and function is more various.
End, joint body 1 axial one end is provided with the lead-in chamfered 11 extending to guiding groove bottom land, and the setting of lead-in chamfered 11 makes live axle automatic and spline joint automatic centering when mounted, avoids reducing installation efficiency by range estimation contraposition.
Locking framework 4 is two and is arranged in relative guiding groove 3 respectively, and two locking frameworks 4 ensure the stability after locking further.
Claims (8)
1. a spline joint, comprise joint body, this joint body outer circumferential face is surrounded with spline, it is characterized in that: described joint body inner peripheral surface be arranged in parallel several guiding grooves vertically, this guiding groove is equally spaced along joint body inner peripheral surface circumference, is provided with the locking framework automatically locked by joint body in live axle at least one described guiding groove.
2. spline joint according to claim 1, it is characterized in that: described locking framework comprise be arranged at joint body slippage chamber, slipping block and Returnning spring, described slippage chamber opposing tabs body radial direction arranges and opening is positioned at guiding groove bottom land, described slipping block slippage in slippage chamber and wherein one end extends to the outer and live axle of opening and offsets, described Returnning spring is installed with and is resetted in the direction of slipping block to opening between slipping block and slippage chamber, and described slippage chamber is positioned at opening and is provided with damp block slipping block being limited in slippage chamber.
3. spline joint according to claim 2, it is characterized in that: described slipping block comprises slippage in the slipping part in slippage chamber and the auxiliary section that extends to outside opening, described auxiliary section opposing tabs body shaft to both sides be respectively arranged with and guide live axle by the guiding cambered surface of press-fitted portions and two guide and be provided with connection two between cambered surfaces and guide cambered surface and with live axle to the connection cambered surface of joining, this connection cambered surface be coated with elastic connecting contact layer.
4. spline joint according to claim 3, is characterized in that: described cross section, slippage chamber is trapezoid shaped, compresses and be provided with dismountable elasticity packed layer between the side that described slipping part is corresponding with this trapezoidal hypotenuse and slippage chamber.
5. spline joint according to claim 4, is characterized in that: the position that described slipping part is corresponding with elasticity packed layer is axially provided with T-slot along joint body, and described elasticity packed layer is provided with the T-shaped bar suitable with this T-slot.
6. spline joint according to claim 5, is characterized in that: described elastic connecting contact layer and the material of elasticity packed layer are rubber.
7. the spline joint according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: the axial end, one end of described joint body is provided with the lead-in chamfered extending to guiding groove bottom land.
8. the spline joint according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: described locking framework is two and is arranged at respectively in relative guiding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010759.8U CN204403193U (en) | 2015-01-08 | 2015-01-08 | Spline joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010759.8U CN204403193U (en) | 2015-01-08 | 2015-01-08 | Spline joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204403193U true CN204403193U (en) | 2015-06-17 |
Family
ID=53427056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520010759.8U Expired - Fee Related CN204403193U (en) | 2015-01-08 | 2015-01-08 | Spline joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204403193U (en) |
-
2015
- 2015-01-08 CN CN201520010759.8U patent/CN204403193U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150617 Termination date: 20160108 |