CN219263019U - Rzeppa constant velocity universal joint - Google Patents
Rzeppa constant velocity universal joint Download PDFInfo
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- CN219263019U CN219263019U CN202320259351.9U CN202320259351U CN219263019U CN 219263019 U CN219263019 U CN 219263019U CN 202320259351 U CN202320259351 U CN 202320259351U CN 219263019 U CN219263019 U CN 219263019U
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- connecting shaft
- shaft device
- ball
- left connecting
- constant velocity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model discloses a ball cage type constant velocity universal joint, which comprises an outer sleeve, wherein the inner surface of the outer sleeve is provided with a ball moving groove; the left connecting shaft device and the right connecting shaft device are respectively positioned at the inner side of the outer sleeve, and the left connecting shaft device is identical to the right connecting shaft device; the two side end surfaces of the ball are respectively positioned in a ball placing groove and a ball moving groove on the left connecting shaft device, and annular protrusions fixedly connected through compression springs are arranged on the outer side surface of the left connecting shaft device; the left connecting shaft device is in sliding connection with the outer sleeve through the balls, and the left connecting shaft device is fixedly connected with the outer sleeve through the annular protrusion. The device utilizes the rolling and sliding characteristics of the balls, and provides the simple ball cage type constant velocity universal joint which is small in size, light in weight and convenient to install and convey.
Description
Technical Field
The utility model relates to the technical field of universal couplings, in particular to a ball cage type constant velocity universal coupling.
Background
The ball cage type universal coupling is characterized in that the ball cage outer ring, the star-shaped inner ring, the retainer are respectively connected with a driving shaft and a driven shaft, the centers of the force transmission steel balls are all positioned in a plane passing through the centers of the coupling and are arranged in a rollaway nest formed by spherical outer rings and star-shaped inner ring outer spherical grooves, the centers of the two spherical surfaces are coincident with the centers of the universal coupling, and in order to ensure that the centers of all the steel balls are arranged on a bisector surface of an included angle between two axes, the steel balls are arranged in a window of the retainer, so that when the included angle between the driving shaft and the driven shaft of the coupling is changed, the force transmission points can be always positioned on the bisector of the included angle, and therefore, the rotating speeds between the driving shaft and the driven shaft of the ball cage type universal coupling can be kept synchronous. However, most of the currently used ball cage universal couplings are large in volume, heavy in weight and inconvenient to install.
Disclosure of Invention
In view of the above-described drawbacks or shortcomings in the prior art, it is desirable to provide a rzeppa constant velocity universal joint.
According to the technical scheme that this application embodiment provided, a ball cage constant velocity universal joint, the inboard surface at the overcoat of drum shape is equipped with a plurality of ball and removes the groove, left end position and right-hand member portion are equipped with left axle device and right axle device in the overcoat, left axle device is the same with right axle device, and the both ends at the overcoat are placed to the symmetry, left axle device outer terminal surface is equipped with ball standing groove and annular arch through compression spring fixed connection, left axle device passes through annular arch fixed connection overcoat, the other terminal surface and the overcoat sliding connection of the ball of roll formula embedding in the ball standing groove on the left axle device, another terminal surface of ball is located the ball and removes the inslot promptly.
Further, the diameters of the arc-shaped grooves at the two end parts of the ball moving groove are smaller than those of the arc-shaped grooves at the middle part of the ball moving groove.
Further, the outer end surface of the left connecting shaft device is uniformly embedded with the rolling balls, and the outer end surface of the right connecting shaft device is also uniformly embedded with the rolling balls.
Further, the balls can slide in the ball movement grooves.
Further, the left connecting shaft device and the right connecting shaft device are respectively provided with a connecting through hole and a connecting shaft hole, so that the input shaft and the output shaft can be conveniently connected.
Further, the angle between the left connecting shaft device and the annular bulge can be changed, namely, the angle between the left connecting shaft device and the outer sleeve can be rotated; the right connecting shaft device and the outer sleeve can rotate in the same way.
To sum up, the beneficial effects of this application: the device utilizes the rolling and sliding characteristics of the balls, and provides the simple ball cage type constant velocity universal joint which is small in size, light in weight and convenient to install and convey.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a schematic view of the overall apparatus of the present utility model;
FIG. 2 is a schematic cross-sectional view of the overall apparatus of the present utility model;
FIG. 3 is a schematic cross-sectional view of the jacket of the present utility model;
FIG. 4 is a schematic left-view of the left coupling device of the present utility model;
fig. 5 is a schematic structural view of the left coupling device of the present utility model.
Reference numerals in the drawings: a jacket-1; ball movement groove-11; left connecting shaft device-2; ball placement groove-21; a right connecting shaft device-3; ball-4; compression spring-5; an annular protrusion-6; a connection through hole-7; and a connecting shaft hole-8.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, a ball cage type constant velocity universal joint is provided with a left connecting shaft device 2 and a right connecting shaft device 3 at the left end part and the right end part in a cylindrical outer sleeve 1 which is horizontally arranged, a ball 4 is arranged in a ball placing groove 21 which is arranged on the outer end surfaces of the left connecting shaft device 2 and the right connecting shaft device 3 in a rolling way, one end surface of the ball 4 is positioned in the ball placing groove 21, the other end surface is positioned in a ball moving groove 11, an annular bulge 6 is fixedly connected on the outer side of the left connecting shaft device 2 and the right connecting shaft device 3 through a compression spring 5, and the annular bulge 6 is connected with the inner end surface of the outer sleeve 1 as shown in fig. 4 and 5;
as shown in fig. 3, the ball moving groove 11 is parallel to the central axis of the outer sleeve 1, and the balls 4 are slidable in the ball moving groove 11.
When the device is used, an input shaft is inserted into the connecting shaft hole 8, the input shaft is fixedly connected with the left connecting shaft device 2 through the connecting through hole 7, and the output shaft is fixedly connected with the right connecting shaft device 3 in the same way;
when the input shaft rotates, the left connecting shaft device 2 is driven to rotate, and at the moment, the balls 4 are in the ball moving grooves 11 of the outer sleeve 1, and the left connecting shaft device 2 is fixedly connected with the outer sleeve 1 through the annular protrusions 6, so that when the left connecting shaft device 2 rotates, the outer sleeve 1 also rotates; when the outer sleeve 1 rotates, the connection mode of the right connecting shaft device 3 positioned at the right end part of the outer sleeve 1 and the outer sleeve 1 is the same as the connection mode of the left connecting shaft device 2 and the outer sleeve 1, so when the outer sleeve 1 rotates, the right connecting shaft device 3 also rotates along with the rotation of the outer sleeve 1, and the balls 4 on the right connecting shaft device 3 and the balls 4 on the left connecting shaft device 2 are positioned on the same ball moving groove 11, so the rotation of the left connecting shaft device 2 drives the rotation of the right connecting shaft device 3 at the same speed;
since the balls 4 are rollingly inserted into the ball receiving grooves 21 on the outer side of the left coupling 2, when the balls 4 below the left coupling 2 move toward the right end portion of the outer sleeve 1, and the balls 4 above the left coupling 2 move toward the left end portion of the outer sleeve 1, that is, when the angle between the left coupling 2 and the annular protrusion 6 is changed, the balls 4 can roll in the ball receiving grooves 21 on the left coupling 2 and cannot roll out of the left coupling 2.
The left connecting shaft device 2 is connected with the annular bulge 6 through the compression spring 5, and the compression spring 5 has certain torsion, so that the angle between the left connecting shaft device 2 and the annular bulge 6 can be changed, namely the angle change between the input shaft and the outer sleeve 1 is realized; the angle between the right connecting shaft device 3 and the outer sleeve 1 which are connected with the output shaft in the same way can be changed, so that the angle change of the connecting shaft devices at the two ends of the scheme is realized, and the left connecting shaft device 2 and the right connecting shaft device 3 realize constant-speed rotation due to the existence of the ball moving groove 11.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. Meanwhile, the scope of the utility model referred to in this application is not limited to the technical solutions of the specific combination of the above technical features, but also covers other technical solutions formed by any combination of the above technical features or their equivalents without departing from the inventive concept. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (6)
1. A constant velocity joint of the type having a ball cage, characterized in that: comprising the steps of (a) a step of,
the ball bearing device comprises a jacket (1), wherein a ball bearing moving groove (11) is formed in the inner surface of the jacket (1);
the left connecting shaft device (2) and the right connecting shaft device (3), wherein the left connecting shaft device (2) and the right connecting shaft device (3) are respectively positioned at the inner side of the outer sleeve (1), and the left connecting shaft device (2) is identical to the right connecting shaft device (3);
the ball (4), the both sides terminal surface of said ball (4) locates in ball holding groove (21) and said ball moving groove (11) on the said left connecting shaft device (2) separately, the outside surface of the said left connecting shaft device (2) has annular raised pieces (6) fixedly connected through the compression spring (5);
the left connecting shaft device (2) is in sliding connection with the outer sleeve (1) through the balls (4), and the left connecting shaft device (2) is fixedly connected with the outer sleeve (1) through the annular bulge (6).
2. A rzeppa constant velocity universal joint according to claim 1, characterized in that: the diameters of the two end parts of the ball moving groove (11) are smaller than the diameter of the middle part of the ball moving groove (11).
3. A rzeppa constant velocity universal joint according to claim 1, characterized in that: the balls (4) on the left connecting shaft device (2) are uniformly embedded in the ball placing grooves (21) in a rolling mode, and the balls (4) on the right connecting shaft device (3) are uniformly embedded in the ball placing grooves (21) in a rolling mode.
4. A rzeppa constant velocity universal joint according to claim 1, characterized in that: the balls (4) are slidable in the ball movement grooves (11).
5. A rzeppa constant velocity universal joint according to claim 1, characterized in that: the left connecting shaft device (2) and the right connecting shaft device (3) are respectively provided with a connecting through hole (7) and a connecting shaft hole (8).
6. A rzeppa constant velocity universal joint according to claim 1, characterized in that: the angle between the left connecting shaft device (2) and the annular bulge (6) can be changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320259351.9U CN219263019U (en) | 2023-02-20 | 2023-02-20 | Rzeppa constant velocity universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320259351.9U CN219263019U (en) | 2023-02-20 | 2023-02-20 | Rzeppa constant velocity universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219263019U true CN219263019U (en) | 2023-06-27 |
Family
ID=86855594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320259351.9U Active CN219263019U (en) | 2023-02-20 | 2023-02-20 | Rzeppa constant velocity universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219263019U (en) |
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2023
- 2023-02-20 CN CN202320259351.9U patent/CN219263019U/en active Active
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