CN204004044U - A kind of universal drive shaft - Google Patents
A kind of universal drive shaft Download PDFInfo
- Publication number
- CN204004044U CN204004044U CN201420420092.4U CN201420420092U CN204004044U CN 204004044 U CN204004044 U CN 204004044U CN 201420420092 U CN201420420092 U CN 201420420092U CN 204004044 U CN204004044 U CN 204004044U
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- universal
- universal joint
- socket
- partition ring
- ring
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Abstract
The utility model relates to a kind of universal drive shaft, the spline of splined shaft is plugged in spline housing, the outside axle head of splined shaft and spline sleeve is separately installed with universal joint partition ring, the cross section of universal joint partition ring is long-round-shape, partition ring driving pin inserts and runs through universal joint partition ring along minor axis respectively, it is circular universal socket that the periphery of universal joint partition ring is respectively installed with cross section, the length of universal socket and corresponding universal joint partition ring is to being hinged by partition ring half pin respectively between ring body, the outer end of universal socket is connected with outer spindle by universal socket driving pin respectively.On the excircle of universal socket inner termination, be respectively equipped with half lock ring groove, in half lock ring groove, be connected with half pin Steel Cable Baffle Ring gear outside partition ring half pin.On the excircle of universal socket external end head, be respectively equipped with the annular groove of having strong market potential, be connected with driving pin steel wire clip gear in the annular groove of having strong market potential outside universal socket driving pin, the periphery of universal socket is set with universal joint dirt-proof boot.This universal drive shaft intensity is high, long service life.
Description
Technical field
The utility model relates to a kind of transmission shaft, relates in particular to a kind of universal drive shaft, can be used for being in transmission connection between the motor of lawn machine and speed reducer.
Background technique
In order to save installing space, or due to each self-structure, motor and the distance between speed reducer of many equipment are distant, and often the output shaft of motor and the input shaft of speed reducer can not guarantee on same axis., can there is beating to a certain degree in some equipment such as automobile, lawn machine etc., can cause the slight variation of motor and speed reducer relative position at work.Therefore between the output shaft of motor and the input shaft of speed reducer, conventionally adopt universal drive shaft to be connected.
Universal drive shaft on tradition lawn machine, two axial ends is separately installed with rzeppa universal joint, employing is similar to ball and socket joint and glenoid structure, the axle head of an axle is provided with ball and socket joint, the axle head of another root axle is provided with fossa glenoid, and ball and socket joint is arranged in glenoid cavity, and the spheroid of ball and socket joint is provided with opening slot, in opening slot, be connected straight pin, the two end supports of straight pin is in fossa glenoid.The opening slot of ball and socket joint makes the root of ball and socket joint very weak, and stress is not good, easily fractures, and transmitted power is little, and working life is short, and spoilage is high.
Model utility content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of universal drive shaft is provided, and intensity is high, and transmitted power is large, long service life.
For solving above technical problem, a kind of universal drive shaft of the present utility model, comprise splined shaft and spline sleeve, one end riveted joint of described spline sleeve has spline housing, the splined end of described splined shaft is plugged in described spline housing, the outside axle head of described splined shaft and described spline sleeve is separately installed with universal joint partition ring, the cross section of described universal joint partition ring is long-round-shape, partition ring driving pin inserts and runs through described universal joint partition ring and axle head along the minor axis of described universal joint partition ring respectively, it is circular universal socket that the periphery of described universal joint partition ring is respectively installed with cross section, the length of described universal socket and corresponding universal joint partition ring is to being hinged by partition ring half pin respectively between ring body, the outer end of described universal socket is connected with outer spindle by universal socket driving pin respectively.
With respect to prior art, the utility model has been obtained following beneficial effect: universal joint partition ring is fixed on the outside axle head of splined shaft or spline sleeve by partition ring driving pin, universal joint partition ring inserts along the short-axis direction of universal joint partition ring, and universal joint partition ring is fixed on to corresponding axle head; Universal socket can rotate within the specific limits around two partition rings, half pin of coaxial line, the axis of partition ring half pin is parallel to the major axis of universal joint partition ring, and the outer end of universal socket is connected with engine output shaft or reduction box input shaft by universal socket driving pin respectively; Splined shaft slides and can make up displacement in the axial direction in spline housing, universal joint partition ring and universal socket coordinate can be between engine output shaft or reduction box input shaft transmitting torque, and the rotation of universal socket can compensate diaxon in the displacement of height or left and right directions; This universal drive shaft does not have weaker parts in the not good and structure of force-bearing situation, is not easy to damage, and can transmit larger power, long service life.
As preferred version of the present utility model, on the excircle of described universal socket inner termination, be respectively equipped with half lock ring groove, described half lock ring groove and described partition ring half pin is positioned on same cross section, in described half lock ring groove, is connected with half pin Steel Cable Baffle Ring.Partly sell Steel Cable Baffle Ring gear in the external end head outside of half pin, half pin is controlled in half pin-and-hole.
As preferred version of the present utility model, on the excircle of described universal socket external end head, be respectively equipped with the annular groove of having strong market potential, described in have strong market potential annular groove and described universal socket driving pin be positioned on same cross section, described in have strong market potential in annular groove and be connected with driving pin steel wire clip.Driving pin steel wire clip gear, in the external end head outside of universal socket driving pin, is controlled at universal socket driving pin in pin-and-hole.
As preferred version of the present utility model, the periphery of described universal socket is set with universal joint dirt-proof boot, the inner of described universal joint dirt-proof boot is connected on the axle journal of described splined shaft or described spline sleeve, and the outer end of described universal joint dirt-proof boot is stuck on the middle part circumference of corresponding universal socket.Universal joint dirt-proof boot can stop dust to enter the position that universal joint partition ring matches with universal socket, guarantees to rotate flexibly.
As preferred version of the present utility model, the middle part circumference of described universal socket is provided with dirt-proof boot draw-in groove, and the outer end of described universal joint dirt-proof boot is stuck in described dirt-proof boot draw-in groove.Can make universal joint dirt-proof boot locate by clamping.
As preferred version of the present utility model, the external end head periphery of described universal joint dirt-proof boot is provided with seal groove, is embedded with O shape circle in described seal groove.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, accompanying drawing only provides reference and explanation use, non-in order to limit the utility model.
Fig. 1 is the plan view of the utility model universal drive shaft.
Fig. 2 is the three-dimensional exploded view of the utility model universal drive shaft.
In figure: 1. universal socket; 1a. half lock ring groove; The 1b. annular groove of having strong market potential; 1c. dirt-proof boot draw-in groove; 2. driving pin steel wire clip; 3. half sells Steel Cable Baffle Ring; 4. partition ring half is sold; 5. universal joint partition ring; 6. spline sleeve; 7. splined shaft; 8. partition ring driving pin; 9. universal joint dirt-proof boot; 10.O shape circle; 11. universal socket driving pins.
Embodiment
As depicted in figs. 1 and 2, universal drive shaft of the present utility model comprises splined shaft 7 and spline sleeve 6, one end riveted joint of spline sleeve 6 has spline housing, the splined end of splined shaft 7 is plugged in spline housing, the outside axle head of splined shaft 7 and spline sleeve 6 is separately installed with universal joint partition ring 5, the cross section of universal joint partition ring 5 is long-round-shape, partition ring driving pin 8 inserts and runs through universal joint partition ring 5 along the minor axis of universal joint partition ring 5 respectively, it is circular universal socket 1 that the periphery of universal joint partition ring 5 is respectively installed with cross section, the length of universal socket 1 and corresponding universal joint partition ring 5 is hinged to partly selling 4 by partition ring respectively between ring body, the outer end of universal socket 1 is connected with outer spindle by universal socket driving pin 11 respectively.
On the excircle of universal socket inner termination, be respectively equipped with half lock ring groove 1a, half lock ring groove 1a and partition ring are partly sold 4 and are positioned on same cross section, in half lock ring groove 1a, are connected with half pin Steel Cable Baffle Ring 3.Partly sell Steel Cable Baffle Ring 3 gears in the external end head outside of half pin, half pin is controlled in half pin-and-hole.
On the excircle of universal socket external end head, be respectively equipped with the annular groove 1b that has strong market potential, have strong market potential annular groove 1b and universal socket driving pin 11 are positioned on same cross section, are connected with driving pin steel wire clip 2 in the annular groove 1b that has strong market potential.Driving pin steel wire clip 2 gears, in the external end head outside of universal socket driving pin 11, are controlled at universal socket driving pin 11 in pin-and-hole.
The periphery of universal socket 1 is set with universal joint dirt-proof boot 9, the inner of universal joint dirt-proof boot 9 is connected on the axle journal of splined shaft 7 or spline sleeve 6, the middle part circumference of universal socket 1 is provided with dirt-proof boot draw-in groove 1c, and the outer end of universal joint dirt-proof boot 9 is stuck in the dirt-proof boot draw-in groove 1c of corresponding universal socket 1.Universal joint dirt-proof boot 9 can stop dust to enter the position that universal joint partition ring 5 matches with universal socket 1, guarantees to rotate flexibly.The external end head periphery of universal joint dirt-proof boot 9 is provided with seal groove, is embedded with O shape circle 10 in seal groove.
Universal joint partition ring 5 is fixed on the outside axle head of splined shaft 7 or spline sleeve 6 by partition ring driving pin 8, universal joint partition ring 5 inserts along the short-axis direction of universal joint partition ring 5, and universal joint partition ring 5 is fixed on to corresponding axle head; Universal socket 1 can partly be sold 4 around two partition rings of coaxial line and rotate within the specific limits, partition ring is partly sold the major axis that 4 axis is parallel to universal joint partition ring 5, and the outer end of universal socket 1 is connected with engine output shaft or reduction box input shaft by universal socket driving pin 11 respectively; Splined shaft 7 slides and can make up displacement in the axial direction in spline housing, universal joint partition ring 5 and universal socket 1 coordinate can be between engine output shaft or reduction box input shaft transmitting torque, and the rotation of universal socket 1 can compensate diaxon in the displacement of height or left and right directions.
The foregoing is only the better possible embodiments of the utility model, non-so limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.The utility model can pass through or adopt existing techniques in realizing without the technical characteristics of describing, and does not repeat them here.
Claims (6)
1. a universal drive shaft, comprise splined shaft and spline sleeve, one end riveted joint of described spline sleeve has spline housing, the splined end of described splined shaft is plugged in described spline housing, it is characterized in that: the outside axle head of described splined shaft and described spline sleeve is separately installed with universal joint partition ring, the cross section of described universal joint partition ring is long-round-shape, partition ring driving pin inserts and runs through described universal joint partition ring and axle head along the minor axis of described universal joint partition ring respectively, it is circular universal socket that the periphery of described universal joint partition ring is respectively installed with cross section, the length of described universal socket and corresponding universal joint partition ring is to being hinged by partition ring half pin respectively between ring body, the outer end of described universal socket is connected with outer spindle by universal socket driving pin respectively.
2. universal drive shaft according to claim 1, it is characterized in that: on the excircle of described universal socket inner termination, be respectively equipped with half lock ring groove, described half lock ring groove and described partition ring half pin is positioned on same cross section, in described half lock ring groove, is connected with half pin Steel Cable Baffle Ring.
3. universal drive shaft according to claim 1, it is characterized in that: on the excircle of described universal socket external end head, be respectively equipped with the annular groove of having strong market potential, described annular groove and the described universal socket driving pin of having strong market potential is positioned on same cross section, described in have strong market potential in annular groove and be connected with driving pin steel wire clip.
4. according to the universal drive shaft described in claim 1 or 2 or 3, it is characterized in that: the periphery of described universal socket is set with universal joint dirt-proof boot, the inner of described universal joint dirt-proof boot is connected on the axle journal of described splined shaft or described spline sleeve, and the outer end of described universal joint dirt-proof boot is stuck on the middle part circumference of corresponding universal socket.
5. universal drive shaft according to claim 4, is characterized in that: the middle part circumference of described universal socket is provided with dirt-proof boot draw-in groove, and the outer end of described universal joint dirt-proof boot is stuck in described dirt-proof boot draw-in groove.
6. universal drive shaft according to claim 4, is characterized in that: the external end head periphery of described universal joint dirt-proof boot is provided with seal groove, is embedded with O shape circle in described seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420092.4U CN204004044U (en) | 2014-07-29 | 2014-07-29 | A kind of universal drive shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420092.4U CN204004044U (en) | 2014-07-29 | 2014-07-29 | A kind of universal drive shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004044U true CN204004044U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420420092.4U Active CN204004044U (en) | 2014-07-29 | 2014-07-29 | A kind of universal drive shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018161484A1 (en) * | 2017-03-08 | 2018-09-13 | 扬州维邦园林机械有限公司 | Flexible universal transmission device |
-
2014
- 2014-07-29 CN CN201420420092.4U patent/CN204004044U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018161484A1 (en) * | 2017-03-08 | 2018-09-13 | 扬州维邦园林机械有限公司 | Flexible universal transmission device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |