CN210265563U - Universal joint capable of bearing axial force - Google Patents
Universal joint capable of bearing axial force Download PDFInfo
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- CN210265563U CN210265563U CN201921303998.7U CN201921303998U CN210265563U CN 210265563 U CN210265563 U CN 210265563U CN 201921303998 U CN201921303998 U CN 201921303998U CN 210265563 U CN210265563 U CN 210265563U
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- shaft sleeve
- axial
- ball
- steel ball
- universal
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Abstract
The utility model discloses a universal joint capable of bearing axial force, which comprises a front shaft sleeve connected with a power input end, a rear shaft sleeve connected with a transmission shaft and a universal shaft connecting the front shaft sleeve and the rear shaft sleeve, wherein the front end and the rear end of the universal shaft are respectively connected with the front shaft sleeve and the rear shaft sleeve through a universal steering structure, the universal steering structure comprises a plurality of straight grooves which are circumferentially and uniformly distributed and extend along the axial direction and are arranged on the inner wall of inner holes of the front shaft sleeve and the rear shaft sleeve, a front ball head and a rear ball head which are arranged at the two ends of the universal shaft and a plurality of steel ball grooves which are circumferentially and uniformly distributed and are arranged on the front ball head and the rear ball head, the front axial groove and the rear axial groove are respectively matched with the hole end faces of the inner, and a front axial steel ball is arranged between the front axial groove and the hole end surface of the inner hole of the front shaft sleeve, and a rear axial steel ball is arranged between the rear axial groove and the hole end surface of the inner hole of the rear shaft sleeve. The utility model discloses a can bear the weight of the universal joint of axial force, the impact of axial direction power can be resisted to it, increase of service life greatly.
Description
Technical Field
The utility model relates to a can bear universal joint of axial force.
Background
The universal joint is a device for realizing variable-angle power transmission and is used for changing the position of a transmission axis direction.
The existing universal joints, which are usually a cross joint type universal joint, a yoke type universal joint, a rzeppa universal joint and the like, may have impulsive force in the axial direction if an accident occurs during the use process, and the universal joints may be damaged because the existing universal joints do not have a protection structure in the axial direction.
Disclosure of Invention
The utility model aims to solve the technical problem that a can bear the weight of the universal joint of axial force is provided, its impact that can resist axial direction power, increase of service life.
In order to solve the above technical problem, the utility model relates to a technical solution of universal joint that can bear the weight of axial force does:
the utility model discloses a universal joint capable of bearing axial force, which comprises a front shaft sleeve connected with a power input end, a rear shaft sleeve connected with a transmission shaft and a universal shaft connecting the front shaft sleeve and the rear shaft sleeve, wherein the front end and the rear end of the universal shaft are respectively connected with the front shaft sleeve and the rear shaft sleeve through a universal steering structure, the universal steering structure comprises a plurality of straight grooves which are arranged on the inner walls of inner holes of the front shaft sleeve and the rear shaft sleeve and extend along the axial direction and are distributed uniformly in the circumferential direction, a front ball head and a rear ball head which are arranged at the two ends of the universal shaft and a plurality of steel ball grooves which are arranged on the front ball head and the rear ball head and are distributed uniformly in the circumferential direction, the plurality of steel ball grooves on the front ball head are matched with the plurality of straight grooves in the front shaft sleeve one by one, the plurality of steel ball grooves on the rear ball head are matched with the plurality of straight grooves in the rear shaft sleeve one by one, steel balls are arranged between the, the other part is clamped in the straight groove; the end parts of the front ball head and the rear ball head are provided with a front axial groove and a rear axial groove, and the central lines of the front axial groove and the rear axial groove are collinear with the axis of the universal shaft; the front axial groove and the rear axial groove are respectively matched with the hole end faces of the inner holes of the front shaft sleeve and the rear shaft sleeve, a front axial steel ball is arranged between the front axial groove and the hole end face of the inner hole of the front shaft sleeve, and a rear axial steel ball is arranged between the rear axial groove and the hole end face of the inner hole of the rear shaft sleeve; and snap springs are respectively arranged in inner holes of the front shaft sleeve and the rear shaft sleeve, so that steel balls on a front ball head and a rear ball head of the universal shaft are limited to be separated from the front shaft sleeve and the rear shaft sleeve.
The ball diameters of the front axial steel ball and the rear axial steel ball are consistent, and the ball diameters of the front axial steel ball and the rear axial steel ball are larger than the ball diameter of the steel ball.
The distribution track of the steel ball grooves is a circumference formed by the diameter of the ball head, and a plane formed by the circumference is vertical to the axis of the universal shaft.
The hole end faces of the inner holes of the front shaft sleeve and the rear shaft sleeve are provided with grooves, the bottom corners of the grooves are provided with round corners, and the front axial steel balls and the rear axial steel balls are respectively positioned in the grooves of the hole end faces of the inner holes of the front shaft sleeve and the rear shaft sleeve.
And the outer end faces of the front shaft sleeve and the rear shaft sleeve are respectively provided with a screw hole.
The utility model has the advantages that:
compared with the prior art, the utility model discloses a universal joint that can bear the weight of axial force has preceding axial steel ball, back axial steel ball, when the cardan shaft receives the impact force, usually this impact force can be decomposed into axial and radial power, radial power realizes the rotation of cardan shaft relative preceding, back axle sleeve through a plurality of steel balls and realizes the transmission conversion, and preceding axial steel ball, back axial steel ball can offset the axial force, simultaneously, when the cardan shaft rotates, preceding axial steel ball, back axial steel ball make the cardan shaft more smooth and easy when rotating, and can realize 360 degrees rotations;
compared with the prior art, the utility model discloses a can bear the weight of the universal joint of axial force, be the point contact between preceding, back axial steel ball and the recess to reduced the frictional force of cardan shaft when rotatory, improved smooth and easy degree, reduced the load.
Drawings
FIG. 1 is a perspective view of a universal joint of the present invention capable of bearing axial force;
FIG. 2 is a cross-sectional view of the universal joint of the present invention capable of bearing axial force;
FIG. 3 is an exploded perspective view of the universal joint of the present invention capable of bearing axial force;
fig. 4 is a perspective view of the front sleeve of the universal joint of the present invention capable of bearing axial force.
Detailed Description
The invention will be described in further detail with reference to the following drawings and detailed description:
referring to fig. 1 to 4, the present invention provides a universal joint capable of bearing axial force, comprising a front shaft sleeve 1 connected to a power input end, a rear shaft sleeve 2 connected to a transmission shaft, and a universal shaft 3 connecting the front shaft sleeve 1 and the rear shaft sleeve 2, wherein the front end and the rear end of the universal shaft 3 are respectively connected to the front shaft sleeve 1 and the rear shaft sleeve 2 through a universal steering structure, the universal steering structure comprises a plurality of straight grooves 5 which are circumferentially and uniformly distributed and are arranged on the inner walls of inner holes 4 of the front shaft sleeve 1 and the rear shaft sleeve 2, a front ball 6 and a rear ball 7 which are arranged at two ends of the universal shaft 3, and a plurality of steel ball grooves 8 which are circumferentially and uniformly distributed and are arranged on the front ball 6 and the rear ball 7, the plurality of steel ball grooves 8 on the front ball 6 are in one-to-one matching with the plurality of straight grooves 5 in the front shaft sleeve 1, the plurality of steel ball grooves 8 on the rear ball 7 are in one-to-one matching with the plurality, steel balls 9 are arranged between the corresponding steel ball grooves 8 and the straight grooves 5, one part of each steel ball 9 is matched and attached in the steel ball groove 8, and the other part of each steel ball 9 is clamped in the straight groove 5; the end parts of the front ball head 6 and the rear ball head 7 are provided with a front axial groove 10 and a rear axial groove 11, and the central lines of the front axial groove 10 and the rear axial groove 11 are collinear with the axis of the universal shaft 3; the front axial groove 10 and the rear axial groove 11 are respectively matched with the hole end faces of the inner holes 4 of the front shaft sleeve 1 and the rear shaft sleeve 2, a front axial steel ball 12 is arranged between the front axial groove 10 and the hole end face of the inner hole 4 of the front shaft sleeve 1, and a rear axial steel ball 13 is arranged between the rear axial groove 11 and the hole end face of the inner hole 4 of the rear shaft sleeve 2; snap springs 14 are respectively arranged in inner holes 4 of the front shaft sleeve 1 and the rear shaft sleeve 2, so that steel balls 9 on a front ball head 6 and a rear ball head 7 of the universal shaft 3 are limited to be separated from the front shaft sleeve 1 and the rear shaft sleeve 2.
The ball diameters of the front axial steel ball 12 and the rear axial steel ball 13 are consistent, and the ball diameters of the front axial steel ball 12 and the rear axial steel ball 13 are larger than that of the steel ball 9.
The distribution track of the steel ball grooves 8 is a circumference formed by the diameter of the ball head, and a plane formed by the circumference is vertical to the axis of the universal shaft 3.
The hole end faces of the inner holes 4 of the front shaft sleeve 1 and the rear shaft sleeve 2 are provided with grooves 15, the bottom corners of the grooves 15 are provided with fillets 16, and the front axial steel balls 12 and the rear axial steel balls 13 are respectively positioned in the grooves 15 of the hole end faces of the inner holes 4 of the front shaft sleeve 1 and the rear shaft sleeve 2. The arrangement of the groove 15 and the fillet 16 ensures that the rotation of the front axial steel ball 12 and the rear axial steel ball 13 is more stable and does not jump.
And screw holes 17 are respectively formed in the outer end faces of the front shaft sleeve 1 and the rear shaft sleeve 2.
The utility model discloses a can bear the weight of the universal joint of axial force, the power input end spiro union is in the screw 17 of axle sleeve 1 in the front, transmission shaft one end spiro union is in the screw 17 of axle sleeve 2 in the back, then preceding bulb 6 at universal shaft 3, jump ring 14 is established to the cover on back bulb 7, with preceding bulb 6 of universal shaft 3 afterwards, back bulb 7 is inserted and is established axle sleeve 1 in the front, in the hole 4 of back axle sleeve 2, and before packing into here axial steel ball 12, back axial steel ball 13 and a plurality of steel ball 9, finally, go into jump ring 14 at hole 4 card, jump ring 14 makes each steel ball 9 avoid breaking away from out hole 4.
During the in-service use, preceding axle sleeve 1, preceding bulb 6 of the relative cardan shaft 3 of back axle sleeve 2, back bulb 7 can realize 360 degrees universal rotations, at this in-process, a plurality of steel balls 9 have the effect of supporting to the radial direction, preceding axial steel ball 12, back axial steel ball 13 have the effect of supporting to the axial direction, and simultaneously, a plurality of steel balls 9, preceding axial steel ball 12, back axial steel ball 13 make preceding axle sleeve 1, the relative preceding bulb 6 of cardan shaft 3 of back axle sleeve 2, back bulb 7 rotate more smoothly, stably, the wholeness can be improved, life has been prolonged.
The universal joint capable of bearing axial force provided by the embodiment of the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying a specific example, and the description of the above embodiment is only used to help understanding the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (5)
1. The utility model provides a can bear universal joint of axial force, includes the preceding axle sleeve of being connected with power input end, the rear axle sleeve of being connected with the transmission shaft and the cardan shaft of being connected preceding axle sleeve and rear axle sleeve, the front end of cardan shaft, rear end are connected its characterized in that through universal steering structure realization with preceding axle sleeve, rear axle sleeve respectively: the universal steering structure comprises a plurality of straight grooves which are circumferentially and uniformly distributed and extend along the axial direction, a front ball head and a rear ball head which are arranged at two ends of the universal shaft, and a plurality of steel ball grooves which are circumferentially and uniformly distributed and are arranged on the front ball head and the rear ball head, wherein the plurality of steel ball grooves on the front ball head are in one-to-one opposite matching with the plurality of straight grooves in the front shaft sleeve, the plurality of steel ball grooves on the rear ball head are in one-to-one opposite matching with the plurality of straight grooves in the rear shaft sleeve, steel balls are arranged between the corresponding steel ball grooves and the straight grooves, one part of the steel balls are matched and attached in the steel ball grooves, and the other part of the steel balls are clamped in the straight grooves; the end parts of the front ball head and the rear ball head are provided with a front axial groove and a rear axial groove, and the central lines of the front axial groove and the rear axial groove are collinear with the axis of the universal shaft; the front axial groove and the rear axial groove are respectively matched with the hole end faces of the inner holes of the front shaft sleeve and the rear shaft sleeve, a front axial steel ball is arranged between the front axial groove and the hole end face of the inner hole of the front shaft sleeve, and a rear axial steel ball is arranged between the rear axial groove and the hole end face of the inner hole of the rear shaft sleeve; and snap springs are respectively arranged in inner holes of the front shaft sleeve and the rear shaft sleeve, so that steel balls on a front ball head and a rear ball head of the universal shaft are limited to be separated from the front shaft sleeve and the rear shaft sleeve.
2. A universal joint capable of carrying axial forces according to claim 1, wherein: the ball diameters of the front axial steel ball and the rear axial steel ball are consistent, and the ball diameters of the front axial steel ball and the rear axial steel ball are larger than the ball diameter of the steel ball.
3. A joint according to claim 1 or 2, wherein: the distribution track of the steel ball grooves is a circumference formed by the diameter of the ball head, and a plane formed by the circumference is vertical to the axis of the universal shaft.
4. A universal joint capable of carrying axial forces according to claim 1, wherein: the hole end faces of the inner holes of the front shaft sleeve and the rear shaft sleeve are provided with grooves, the bottom corners of the grooves are provided with round corners, and the front axial steel balls and the rear axial steel balls are respectively positioned in the grooves of the hole end faces of the inner holes of the front shaft sleeve and the rear shaft sleeve.
5. A universal joint capable of carrying axial forces according to claim 1, wherein: and the outer end faces of the front shaft sleeve and the rear shaft sleeve are respectively provided with a screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303998.7U CN210265563U (en) | 2019-08-13 | 2019-08-13 | Universal joint capable of bearing axial force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303998.7U CN210265563U (en) | 2019-08-13 | 2019-08-13 | Universal joint capable of bearing axial force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265563U true CN210265563U (en) | 2020-04-07 |
Family
ID=70017287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921303998.7U Active CN210265563U (en) | 2019-08-13 | 2019-08-13 | Universal joint capable of bearing axial force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210265563U (en) |
-
2019
- 2019-08-13 CN CN201921303998.7U patent/CN210265563U/en active Active
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