CN211202666U - Eccentric arc channel constant velocity universal joint assembly - Google Patents
Eccentric arc channel constant velocity universal joint assembly Download PDFInfo
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- CN211202666U CN211202666U CN201922049071.1U CN201922049071U CN211202666U CN 211202666 U CN211202666 U CN 211202666U CN 201922049071 U CN201922049071 U CN 201922049071U CN 211202666 U CN211202666 U CN 211202666U
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- universal joint
- constant velocity
- velocity universal
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Abstract
The utility model relates to the field of transmission shafts, in particular to a constant velocity universal joint transmission shaft assembly for an eccentric arc channel, which comprises a ball cage type constant velocity universal joint, a tripod type constant velocity universal joint, a transmission shaft, a fixed end seal cover, a telescopic end seal cover and the like, wherein the channel cross sections of a ball cage type universal joint bell-shaped shell and a star sleeve are eccentric with a steel ball, two channels are in two-point contact with the steel ball, and the contact angle is 45 degrees; the three channels of the eccentric arc channel three-column groove shell are also provided with two eccentric arcs eccentric with the ball ring, two contact points are arranged with the ball ring, and the contact angle is 12 degrees. The device can realize smooth and reliable transmission of motion and torque when the driving shaft and the driven shaft are in angular displacement and axial displacement.
Description
Technical Field
The utility model relates to a transmission shaft field especially relates to eccentric circular arc channel constant velocity universal joint assembly closes.
Background
The typical structure of the constant velocity universal joint drive shaft assembly is composed of a fixed constant velocity universal joint, a telescopic universal joint, a drive shaft and a plurality of accessories, the fixed type of the drive shaft assembly with the traditional structure is generally a ball cage type constant velocity universal joint, the telescopic type constant velocity universal joint is a tripod type universal joint with the traditional structure, and the channel planes of the universal joints at two ends are both arc-shaped traditional surfaces.
Six channels of the ball cage type universal joint outer shell and the star-shaped sleeve are arc-shaped, the section radius of each channel is larger than that of a steel ball, and the channel bottom is contacted with the steel ball, so that during working, the circumferential clearance is increased, the stress is unreasonable, and particularly, the stamping load and the heavy load are not resisted; the ball ring of tripod formula constant velocity universal joint is the sphere, and the channel cross-section is the circular arc, and the channel is plain line and axis parallel, and such circumference clearance is too big, easily leads to the circumference clearance too big during the use, and the wearing and tearing aggravation easily appears early inefficacy, to these problems, the utility model provides an eccentric circular arc channel constant velocity universal joint assembly.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an eccentric circular arc channel constant velocity universal joint assembly.
The utility model adopts the technical proposal that: the eccentric arc channel constant velocity universal joint assembly comprises a ball cage type constant velocity universal joint, a transmission shaft and a tripod type constant velocity universal joint, wherein the ball cage type constant velocity universal joint comprises an eccentric arc channel bell-shaped shell and a star sleeve; the ball cage type constant velocity universal joint is connected with the tripod type constant velocity universal joint through a transmission shaft, the ball cage type constant velocity universal joint is provided with a fixed end sealing cover, and a fixed end large clamp and a fixed end small clamp are arranged on the fixed end sealing cover; tripod constant velocity cardan joint install flexible end sealed cowling, be equipped with the big clamp of flexible end and the little clamp of flexible end on the flexible end sealed cowling, stiff end sealed cowling and flexible end sealed cowling are add to this design, have improved holistic leakproofness greatly, eccentric circular arc channel bell shell in have bell shell channel cross-section, have the star cover channel cross-section in the star cover, eccentric circular arc channel three-column groove shell has three channel cross-section.
Preferably, a first double eccentric arc channel eccentric to the steel ball is formed on the cross section of the channel of the outer race of the rzeppa constant velocity universal joint, the first double eccentric arc channel has two contact points with the steel ball, and the contact angle between the steel ball and the first double eccentric arc channel is 45 °.
Preferably, a second double eccentric arc channel eccentric to the steel ball is formed on the cross section of the star sleeve channel of the rzeppa constant velocity universal joint, the second double eccentric arc channel and the steel ball have two contact points, a contact angle between the steel ball and the second double eccentric arc channel is 45 degrees, transmission motion and torque are stable, the steel ball is flat and lean against, a circumferential gap is small, impact resistance is realized, and the service life is long.
Preferably, a third double-eccentric arc channel eccentric to the ball ring is formed in the cross section of each of the three channels of the eccentric arc channel three-column groove shell, two contact points are arranged between the third double-eccentric arc channel and the ball ring, and the contact angle between the ball ring and the third double-eccentric arc channel is 12 degrees, so that the requirements of reasonable stress, large bearing capacity, impact resistance and the like are met.
Preferably, one end of the fixed end sealing cover is arranged on the rzeppa constant velocity universal joint through a large fixed end clamping hoop, and the other end of the fixed end sealing cover is arranged on the transmission shaft through a small fixed end clamping hoop.
Preferably, one end of the telescopic end sealing cover is arranged on the tripod constant velocity universal joint through a telescopic end large clamp, and the other end of the telescopic end sealing cover is arranged on the transmission shaft through a telescopic end small clamp.
Preferably, the transmission shaft is respectively arranged inside the ball-type constant velocity universal joint and the tripod constant velocity universal joint, a first check ring is arranged between the transmission shaft and the ball-type constant velocity universal joint, and a second check ring is arranged between the transmission shaft and the tripod constant velocity universal joint.
To sum up, the utility model discloses beneficial effect does:
1. the eccentric arc channel constant velocity universal joint assembly has stable transmission motion and torque, flat leaning, small circumferential clearance, impact resistance and long service life.
2. A fixed end sealing cover and a telescopic end sealing cover are additionally arranged on the ball cage type constant velocity universal joint and the tripod type constant velocity universal joint teammates, and the overall sealing performance is greatly improved.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is apparent that other drawings are obtained from the drawings.
FIG. 1 is a longitudinal front sectional construction view of the present invention;
fig. 2 is a cross-sectional view of the bell housing channel of the present invention;
FIG. 3 is a cross-sectional view of the race channel of the present invention;
fig. 4 is a cross-sectional view of the channel of the middle three-column tank shell of the present invention.
The labels in the figure are: the universal joint comprises a ball cage type constant velocity universal joint 1, a first check ring 2, a fixed end large hoop 3, a fixed end sealing cover 4, a fixed end small hoop 5, a transmission shaft 6, a telescopic end small hoop 7, a telescopic end sealing cover 8, a telescopic end large hoop 9, a tripod type constant velocity universal joint 10, a second check ring 11, a first double eccentric arc channel 12, a second double eccentric arc channel 13 and a third double eccentric arc channel 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.
As shown in fig. 1 to 4, the eccentric circular arc channel constant velocity universal joint assembly comprises a ball type constant velocity universal joint 1, a transmission shaft 6 and a tripod type constant velocity universal joint 10, wherein the ball type constant velocity universal joint 1 comprises an eccentric circular arc channel bell-shaped shell and a star sleeve, and the tripod type constant velocity universal joint 10 comprises an eccentric circular arc channel tripod groove shell, a steel ball is arranged in the eccentric circular arc channel bell-shaped shell, and a ball ring is arranged in the eccentric circular arc channel tripod groove shell; the rzeppa constant velocity universal joint 1 is connected with the tripod constant velocity universal joint 10 through a transmission shaft 6, the rzeppa constant velocity universal joint 1 is provided with a fixed end sealing cover 4, and a fixed end large clamp 3 and a fixed end small clamp 5 are arranged on the fixed end sealing cover 4; the tripod constant velocity universal joint 10 is provided with a telescopic end sealing cover 8, a telescopic end large clamp 9 and a telescopic end small clamp 7 are arranged on the telescopic end sealing cover 8, the ball-cage constant velocity universal joint 1 is provided with a fixed end sealing cover 4, a fixed end large clamp 3 and a fixed end small clamp 5 are arranged on the fixed end sealing cover 4, one end of the fixed end sealing cover 4 is arranged on the ball-cage constant velocity universal joint 1 through the fixed end large clamp 3, and the other end of the fixed end sealing cover is arranged on a transmission shaft 6 through the fixed end small clamp 5; the tripod constant velocity universal joint 10 is provided with a telescopic end sealing cover 8, a telescopic end large clamp 9 and a telescopic end small clamp 7 are arranged on the telescopic end sealing cover 8, one end of the telescopic end sealing cover 8 is arranged on the tripod constant velocity universal joint 10 through the telescopic end large clamp 9, and the other end of the telescopic end sealing cover is arranged on the transmission shaft 6 through the telescopic end small clamp 7; the design is additionally provided with the fixed end sealing cover 4 and the telescopic end sealing cover 8, so that the overall sealing performance is greatly improved;
the transmission shaft 6 sets up respectively inside ball cage constant velocity universal joint 1 and tripod constant velocity universal joint 10, transmission shaft 6 and ball cage constant velocity universal joint 1 between be equipped with first retaining ring 2, be equipped with second retaining ring 11 between transmission shaft 6 and the tripod constant velocity universal joint 10, first retaining ring 2 be used for improving transmission shaft 6 internal seal nature in second retaining ring 11.
The eccentric arc channel bell-shaped shell is internally provided with a bell-shaped shell channel section, O is the center of the steel ballk1Is the center of the arc of the left cross section of the trench, Ok2The center of the arc of the right section of the channel, a first double eccentric arc channel 12 eccentric to the steel ball is formed on the section of the channel of the bell-shaped shell, the first double eccentric arc channel 12 has two contact points with the steel ball, and the contact angle between the steel ball and the first double eccentric arc channel 12 is 45 degrees;
star shaped sleeveHaving a channel cross-section of a star-shaped jacket therein, Ox1Is the center of the arc of the left cross section of the trench, Ox2The center of the arc of the right section of the channel is formed, a second double eccentric arc channel 13 eccentric to the steel ball is formed on the section of the star-shaped sleeve channel, two contact points are formed between the second double eccentric arc channel 13 and the steel ball, and the contact angle between the steel ball and the second double eccentric arc channel 13 is 45 degrees;
the eccentric arc channel three-column groove shell has three channel sections OHIs the center of the spherical ring, OH1Is the center of the arc of the left cross section of the trench, OH2A third double eccentric arc channel 14 eccentric to the ball ring is formed on the three channel sections at the arc center of the right side section of the channel, two contact points are formed between the third double eccentric arc channel 14 and the ball ring, and the contact angle between the ball ring and the third double eccentric arc channel 14 is 12 degrees; the contact angle between the steel ball and the second double eccentric arc channel 13, the contact angle between the steel ball and the first double eccentric arc channel 12, and the contact angle between the ball ring and the third double eccentric arc channel 14 are obtained through multiple tests, so that the requirements of reasonable stress, large bearing capacity, impact resistance and the like are met.
The working mode is as follows: a first double-eccentric arc channel 12 is formed in the eccentric arc channel bell-shaped shell, and two contact points are arranged between the first double-eccentric arc channel 12 and the steel ball; a second double-eccentric arc channel 13 is formed in the star-shaped sleeve, and the second double-eccentric arc channel 13 and the steel ball also have two contact points; a third double eccentric arc channel 14 is formed in the eccentric arc channel three-column groove shell, the third double eccentric arc channel 14 and the ball ring have two contact points, the transmission motion and the torque are stable, the flat leaning is realized, the circumferential gap is small, the impact resistance is realized, and the service life is long
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.
Claims (7)
1. The eccentric arc channel constant velocity universal joint assembly comprises a ball cage type constant velocity universal joint (1), a transmission shaft (6) and a tripod type constant velocity universal joint (10), wherein the ball cage type constant velocity universal joint (1) comprises an eccentric arc channel bell-shaped shell and a star sleeve, the tripod type constant velocity universal joint (10) comprises an eccentric arc channel triangular groove shell, a steel ball is arranged in the eccentric arc channel bell-shaped shell, and a ball ring is arranged in the eccentric arc channel triangular groove shell; ball cage constant velocity universal joint (1) pass through transmission shaft (6) with tripod constant velocity universal joint (10) be connected its characterized in that: the rzeppa universal joint (1) is provided with a fixed end sealing cover (4), and a fixed end large clamp (3) and a fixed end small clamp (5) are arranged on the fixed end sealing cover (4); the tripod constant velocity universal joint (10) is provided with a telescopic end sealing cover (8), and a telescopic end large clamp (9) and a telescopic end small clamp (7) are arranged on the telescopic end sealing cover (8); the eccentric arc channel bell-shaped shell is internally provided with a bell-shaped shell channel section, the star sleeve is internally provided with a star sleeve channel section, and the eccentric arc channel three-column groove shell is provided with three channel sections.
2. The eccentric circular arc channel constant velocity joint assembly according to claim 1, wherein: the cross section of the bell-shaped shell channel is provided with a first double-eccentric arc channel (12) eccentric to the steel ball, the first double-eccentric arc channel (12) and the steel ball have two contact points, and the contact angle between the steel ball and the first double-eccentric arc channel (12) is 45 degrees.
3. The eccentric circular arc channel constant velocity joint assembly according to claim 1, wherein: the section of the star-shaped sleeve channel is provided with a second double-eccentric arc channel (13) eccentric to the steel ball, the second double-eccentric arc channel (13) has two contact points with the steel ball, and the contact angle between the steel ball and the second double-eccentric arc channel (13) is 45 degrees.
4. The eccentric circular arc channel constant velocity joint assembly according to claim 1, wherein: the cross sections of the three channels are provided with third double eccentric arc channels (14) eccentric to the ball ring, the third double eccentric arc channels (14) and the ball ring are provided with two contact points, and the contact angle between the ball ring and the third double eccentric arc channels (14) is 12 degrees.
5. The eccentric circular arc channel constant velocity joint assembly according to claim 1, wherein: one end of the fixed end sealing cover is arranged on the rzeppa constant velocity universal joint (1) through the large fixed end clamp (3), and the other end of the fixed end sealing cover is arranged on the transmission shaft (6) through the small fixed end clamp (5).
6. The eccentric circular arc channel constant velocity joint assembly according to claim 1, wherein: one end of a telescopic end sealing cover (8) is arranged on the tripod constant velocity universal joint (10) through a telescopic end large clamp (9), and the other end of the telescopic end sealing cover is arranged on the transmission shaft (6) through a telescopic end small clamp (7).
7. The eccentric circular arc channel constant velocity joint assembly according to claim 1, wherein: the transmission shaft (6) is respectively arranged inside the ball-cage constant-velocity universal joint (1) and the tripod constant-velocity universal joint (10), a first check ring (2) is arranged between the transmission shaft (6) and the ball-cage constant-velocity universal joint (1), and a second check ring (11) is arranged between the transmission shaft (6) and the tripod constant-velocity universal joint (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922049071.1U CN211202666U (en) | 2019-11-23 | 2019-11-23 | Eccentric arc channel constant velocity universal joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922049071.1U CN211202666U (en) | 2019-11-23 | 2019-11-23 | Eccentric arc channel constant velocity universal joint assembly |
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| Publication Number | Publication Date |
|---|---|
| CN211202666U true CN211202666U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922049071.1U Active CN211202666U (en) | 2019-11-23 | 2019-11-23 | Eccentric arc channel constant velocity universal joint assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526704A (en) * | 2022-01-30 | 2022-05-24 | 安徽英克尔汽车零部件有限公司 | Method for detecting circumferential clearance of ball cage type constant-speed transmission shaft assembly |
-
2019
- 2019-11-23 CN CN201922049071.1U patent/CN211202666U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526704A (en) * | 2022-01-30 | 2022-05-24 | 安徽英克尔汽车零部件有限公司 | Method for detecting circumferential clearance of ball cage type constant-speed transmission shaft assembly |
| CN114526704B (en) * | 2022-01-30 | 2024-02-23 | 安徽英克尔汽车零部件有限公司 | Circumferential gap detection method for ball cage type constant-speed transmission shaft assembly |
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