CN212455254U - Synchronous universal coupling of ball cage - Google Patents
Synchronous universal coupling of ball cage Download PDFInfo
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- CN212455254U CN212455254U CN202021214468.8U CN202021214468U CN212455254U CN 212455254 U CN212455254 U CN 212455254U CN 202021214468 U CN202021214468 U CN 202021214468U CN 212455254 U CN212455254 U CN 212455254U
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- groove channel
- arc groove
- ball cage
- inner sleeve
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Abstract
A ball cage synchronous universal coupling comprises an outer sleeve, an inner sleeve and a retainer, wherein N first grooves which are distributed at equal intervals along the circumference are arranged on the inner spherical surface of the right end part of the outer sleeve; the outer spherical surface of the inner sleeve is provided with N second channels which are distributed at equal intervals along the circumference, the second channels correspond to the first channels one by one, each second channel comprises a second straight groove channel and a second arc groove channel, the second straight groove channel extends from the left end surface of the inner sleeve to the inner part of the middle part of the inner sleeve, the second arc groove channel is connected to one end of the second straight groove channel, and the second straight groove channel is externally tangent to the second arc groove channel and is in smooth transition with the second arc groove channel; the retainer is arranged between the outer sleeve and the inner sleeve; the steel balls are loaded into the corresponding first channel, the second channel and the windows of the retainer; the maximum swing angle of the ball cage coupler is improved, and the performance of the ball cage coupler is improved.
Description
Technical Field
The utility model relates to a coupler, specifically speaking are synchronous universal joint of ball cage.
Background
In the industries of metallurgy, automobiles and the like, the application of the coupling is ubiquitous. It is a mechanical component that couples the driving and driven shafts in different mechanisms to rotate together while transmitting motion and torque.
The ball cage synchronous universal coupling (hereinafter referred to as ball cage coupling) is optimized for nearly one hundred years from the early Rzeppa structure with an indexing rod to the Birfield type which is widely applied at present and the double-effect compensation type ball cage coupling structure which can axially and relatively slide. The Birfield type ball cage coupler has arced slots in the inner and outer sleeves, and the outer sleeve and the inner sleeve may rotate relatively around the rotation center to compensate the included angle between the input shaft and the output shaft while transmitting torque. The double-effect compensation type ball cage coupler has straight grooves in the inner and outer sleeves, and the outer sleeve and the inner sleeve may move axially and rotate relatively in the rotation center to compensate the included angle and the telescopic length of the input and output shafts.
At present, a Birfield type ball cage coupling is selected for a special vehicle wheel side transmission shaft, the maximum swing angle of the Birfield type ball cage coupling can reach 45 degrees, but along with the improvement of the performance requirement of the special vehicle, the maximum swing angle of the special vehicle wheel side transmission shaft is required to be not less than 50 degrees, the maximum swing angle of the existing ball cage coupling can not meet the requirement, and the performance requirement of the special vehicle is influenced.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned not enough of prior art, and provide a synchronous universal joint of ball cage, improve the biggest swing angle of ball cage shaft coupling, promote the performance of ball cage shaft coupling.
The technical scheme of the utility model lies in: a synchronous universal joint coupling of ball cage, comprising:
the inner spherical surface of the right end part of the outer sleeve is provided with N first channels which are distributed at equal intervals along the circumference, each first channel comprises a first straight groove channel extending from the right end surface of the outer sleeve to the inside of the inner spherical surface and a first arc groove channel connected to one end of the first straight groove channel, the other end of the first arc groove channel is bent inwards, and the first straight groove channel is externally tangent to the first arc groove channel and is in smooth transition with the first arc groove channel;
the inner sleeve is provided with N second channels which are distributed at equal intervals along the circumference on the outer spherical surface of the inner sleeve, the second channels correspond to the first channels one to one, each second channel comprises a second straight groove channel extending from the left end surface of the inner sleeve to the inner part of the middle part and a second arc groove channel connected to one end of the second straight groove channel, the other end of the second arc groove channel is bent inwards, and the second straight groove channel is externally tangent to the second arc groove channel and is in smooth transition with the second arc groove channel;
the retainer is arranged between the outer sleeve and the inner sleeve, N windows corresponding to the first channel and the second channel one by one are formed in the retainer, and the steel balls are arranged in the corresponding first channel, the second channel and the windows of the retainer.
The vertical distance from the first straight groove channel to the axis of the outer sleeve is d2, the radius of the circle where the first arc groove channel is located is d1, and d1= d 2.
d1 and d2 are larger than 4.1d and smaller than 4.2d, wherein d is the diameter of the steel ball.
The straight distance from the straight groove channel II to the axis of the inner sleeve is d4, the radius of the circle where the arc groove channel II is located is d3, and d3= d 4.
d3 and d4 are larger than 2.1d and smaller than 2.2d, wherein d is the diameter of the steel ball.
The left end of the outer sleeve is integrally formed with a flange plate.
The center of the inner sleeve is provided with a through hole, and the inner wall of the through hole is provided with spline teeth which extend along the axial direction and are used for being meshed with the working shaft.
The outer sleeve inner spherical surface and the inner sleeve outer spherical surface are correspondingly provided with 6 first channels and second channels which are distributed at equal intervals along the circumference.
The first channel and the second channel are circular, elliptical or pointed.
The utility model discloses structural design is novel, when realizing the sphere complex, has changed the channel shape, has improved the biggest swing angle of ball cage shaft coupling, makes the biggest swing angle reach more than 50, promotes the comprehensive properties of ball cage shaft coupling, the result of use ideal. The product is suitable for military and civil special vehicles.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the outer cover of the present invention;
fig. 3 is a schematic structural view of the inner sleeve of the present invention;
fig. 4 is a schematic structural diagram of the retainer of the present invention.
Detailed Description
In the figure 1, the inner surface of the right end part of the outer sleeve 1 is a spherical surface, the left end of the outer sleeve 1 is provided with a flange plate with end face teeth, the flange plate and the outer sleeve 1 are integrally formed, and the inner spherical surface of the right end part of the outer sleeve 1 is provided with 6 first channels which are distributed at equal intervals along the circumference; a through hole is formed in the center of the inner sleeve 2, spline teeth which extend along the axial direction and are used for being meshed with the working shaft are arranged on the inner wall of the through hole, the outer surface of the inner sleeve 2 is a spherical surface, and 6 second grooves which are distributed at equal intervals along the circumference are formed; the retainer 4 is arranged between the inner surface of the outer sleeve 1 and the outer surface of the inner sleeve 2, the outer surface and the inner surface of the retainer 4 are both spherical surfaces, and the retainer 4 is provided with 6 windows along the circumference. The 6 first channels of the outer sleeve 1 correspond to the 6 second channels of the inner sleeve 2, the steel balls 3 are arranged in windows of the retainer 4 corresponding to the channels of the outer sleeve 1 and the inner sleeve 2 and limited in the channels by the windows of the retainer 4, and the inner surface of the outer sleeve 1, the outer surface of the inner sleeve 2, the outer surface of the retainer 4 and the inner surface of the retainer 4 are concentric. The diameter d of the steel ball 3.
In fig. 2, the inner diameter of the inner spherical surface of the right end part of the outer sleeve 1 is D1, the first channel comprises a first straight groove channel extending from the right end surface of the outer sleeve 1 to the inside of the inner spherical surface, and a first arc groove channel connected to one end of the first straight groove channel, the other end of the first arc groove channel is bent inwards, and the first straight groove channel is externally tangent to the first arc groove channel and is in smooth transition with the first arc groove channel; the vertical distance from the first straight groove channel to the axis of the jacket 1 is d2, the radius of the circle where the first arc groove channel is located is d1, d1= d2, 4.1d < d1= d2<4.2d, and d is the diameter of the steel ball.
In fig. 3, the spherical outside surface of the inner sleeve 2 has a spherical diameter D2, the second channels correspond to the first channels one by one, each second channel comprises a second straight groove channel extending from the left end surface of the inner sleeve 2 to the inside of the middle part and a second arc groove channel connected to one end of the second straight groove channel, the other end of the second arc groove channel is bent inwards, and the second straight groove channel is externally tangent to the second arc groove channel and is in smooth transition with the second arc groove channel; the straight distance from the straight groove channel II to the axis of the inner sleeve 2 is d4, the radius of the circle where the arc groove channel II is located is d3, d3= d4, 2.1d < d3= d4<2.2d, and d is the diameter of the steel ball.
In fig. 4, the outer spherical surface dimension D3 of the cage and the inner spherical surface dimension D5 of the cage are concentric with each other.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent alterations, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a synchronous universal joint of ball cage which characterized in that: the method comprises the following steps:
the inner spherical surface of the right end part of the outer sleeve (1) is provided with N first channels which are distributed at equal intervals along the circumference, each first channel comprises a first straight groove channel extending from the right end surface of the outer sleeve (1) to the inner spherical surface and a first arc groove channel connected to one end of the first straight groove channel, the other end of the first arc groove channel is bent inwards, and the first straight groove channel is externally tangent to the first arc groove channel and is in smooth transition with the first arc groove channel;
the inner sleeve (2), there are N pieces of channel two distributed equidistantly along the circumference on the external sphere of said inner sleeve (2), channel two and channel one-to-one, channel two include from left end of inner sleeve (2) to the straight groove channel two of the inside extension of middle part, connect to the arc groove channel two of one end of straight groove channel two, another end of the arc groove channel two is crooked inward, the straight groove channel two is circumscribed to the arc groove channel two, and with the smooth transition of arc groove channel two;
the steel ball bearing comprises a retainer (4), wherein the retainer (4) is arranged between the outer sleeve (1) and the inner sleeve (2), N windows which correspond to the first channel and the second channel one to one are formed in the retainer (4), and the steel balls (3) are arranged in the corresponding first channel, the second channel and the windows of the retainer (4).
2. The synchronous universal coupling of a ball cage according to claim 1, characterized in that: the vertical distance from the first straight groove channel to the axis of the jacket (1) is d2, the radius of the circle where the first arc groove channel is located is d1, and d1= d 2.
3. The synchronous universal coupling of a ball cage according to claim 2, characterized in that: d1 and d2 are larger than 4.1d and smaller than 4.2d, wherein d is the diameter of the steel ball.
4. The synchronous universal coupling of a ball cage according to claim 2, characterized in that: the straight distance from the straight groove channel II to the axis of the inner sleeve (2) is d4, the radius of the circle where the arc groove channel II is located is d3, and d3= d 4.
5. The synchronous universal coupling of a ball cage according to claim 4, characterized in that: d3 and d4 are larger than 2.1d and smaller than 2.2d, wherein d is the diameter of the steel ball.
6. The synchronous universal coupling of a ball cage according to claim 1, characterized in that: the left end of the outer sleeve (1) is integrally formed with a flange plate.
7. The synchronous universal coupling of a ball cage according to claim 1, characterized in that: the center of the inner sleeve (2) is provided with a through hole, and the inner wall of the through hole is provided with spline teeth which extend along the axial direction and are used for being meshed with the working shaft.
8. The synchronous universal coupling of a ball cage according to claim 1, characterized in that: 6 first channels and second channels which are distributed equidistantly along the circumference are correspondingly arranged on the inner spherical surface of the outer sleeve (1) and the outer spherical surface of the inner sleeve (2).
9. The synchronous universal coupling of a ball cage according to claim 1, characterized in that: the first channel and the second channel are circular, elliptical or pointed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021214468.8U CN212455254U (en) | 2020-06-28 | 2020-06-28 | Synchronous universal coupling of ball cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021214468.8U CN212455254U (en) | 2020-06-28 | 2020-06-28 | Synchronous universal coupling of ball cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212455254U true CN212455254U (en) | 2021-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021214468.8U Active CN212455254U (en) | 2020-06-28 | 2020-06-28 | Synchronous universal coupling of ball cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212455254U (en) |
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2020
- 2020-06-28 CN CN202021214468.8U patent/CN212455254U/en active Active
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