CN111923662B - Automobile wheel-side power transmission system - Google Patents
Automobile wheel-side power transmission system Download PDFInfo
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- CN111923662B CN111923662B CN202010698026.3A CN202010698026A CN111923662B CN 111923662 B CN111923662 B CN 111923662B CN 202010698026 A CN202010698026 A CN 202010698026A CN 111923662 B CN111923662 B CN 111923662B
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- hub
- hole
- rod
- connecting part
- half shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/122—Power-transmission from drive shaft to hub using gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The automobile wheel-side power transmission system comprises a half shaft, an outer ball cage, a wheel hub, a series-prevention rod, a star-shaped sleeve and a retainer. The ectosphere cage includes semi-axis connecting portion and wheel hub connecting portion, and the connection position of semi-axis connecting portion and wheel hub connecting portion is equipped with spacing fender shoulder. The hub is provided with an outer ball cage connecting hole for the hub connecting part to extend into, and the hub connecting part is statically connected with the hub in the circumferential direction; the cross sectional area of one end, close to the half shaft, of the anti-series rod is smaller than that of the other end of the anti-series rod; one end of the wheel hub connecting part, which is far away from the half shaft connecting part, is provided with a connecting hole of the anti-stringing rod, which is matched with one end of the anti-stringing rod, which is close to the half shaft, and the end of the anti-stringing rod, which is close to the half shaft, is connected with the connecting hole of the anti-stringing rod to prevent relative movement between the outer ball cage and the wheel hub; and the other end of the hub connecting part is provided with a lightening through hole, and the diameter of the lightening through hole is larger than that of the connecting hole of the anti-string rod. The invention has novel and reliable structure as a whole and is easy to disassemble and assemble.
Description
Technical Field
The invention relates to an automobile transmission structure, in particular to an automobile wheel-side power transmission system.
Background
The automobile power generated by the engine is transmitted to wheels through a gearbox and a half shaft to drive the vehicle to move, and the half shaft, an outer ball cage and a hub are used as main bodies to form an automobile wheel-side power transmission system. The universal joint transmission on the automobile is usually composed of a universal joint and a transmission shaft and is mainly used for transmitting power between two shafts of which the relative positions are constantly changed in the working process. The universal joint transmission ensures that the relative position of the two connected shafts changes within an expected range, and can reliably transmit power; simultaneously, the connected two shafts are ensured to run synchronously (at the same speed) as much as possible; allowing a certain angle to exist between two adjacent shafts; some axial movement is allowed. The invention patent application with the application number of CN201711377857.5 and the publication number of CN108189619A and the name of 'novel automobile wheel-side power transmission system' discloses a novel automobile wheel-side power transmission system: the novel half-axle outer ball cage comprises a half-axle outer ball cage, a wheel hub connected with the half-axle outer ball cage, and a connecting bolt for connecting the wheel hub and the half-axle outer ball cage together. The right end of the semi-axle outer ball cage is provided with a boss, the right end of the boss is provided with an inwards-concave conical table surface, a plurality of meshing teeth are uniformly distributed on the conical table surface, and the symmetrical plane of each meshing tooth is superposed with one axial plane of the conical table surface. The cone table surface and the half shaft outer ball cage are coaxial. The connecting portion of the semi-axis outer ball cage and the conical table surface is provided with a threaded hole which is concave to the left end of the semi-axis outer ball cage and is matched with the connecting bolt. The left end of the wheel hub is provided with a protrusion, the center of the protrusion is provided with a round counter bore matched with the boss, the bottom surface of the round counter bore is provided with a protruding frustum surface matched with the concave frustum surface, and the protruding frustum surface is provided with wheel hub meshing teeth matched with the meshing teeth. The hub is provided with a second through hole which is matched with the connecting bolt and is coaxial with the threaded hole, and the connecting bolt penetrates through the second through hole and then is in threaded connection with the threaded hole. The invention is applied to solving the problems of heavy weight and high connection loosening risk existing in the connection of the traditional automobile half shaft and the internal spline of the hub through the spline on the outer ball cage, but the processing and manufacturing cost is high, the length of the connecting bolt is long, the processing and manufacturing cost and the combined weight of related components are not favorably reduced, the energy consumption is not favorably reduced, and the improvement of the endurance mileage of the automobile is unfavorable.
Disclosure of Invention
The invention mainly aims to provide a novel automobile wheel-side power transmission system so as to solve the problem that the traditional automobile wheel-side power transmission system is heavy and is not beneficial to improving the endurance mileage of an automobile.
The technical scheme adopted by the invention is as follows: a wheel-side power transmission system of an automobile comprises a half shaft, an outer ball cage, a wheel hub, a series-prevention rod, a star-shaped sleeve and a retainer. The ectosphere cage includes semi-axis connecting portion and wheel hub connecting portion, and the connection position of semi-axis connecting portion and wheel hub connecting portion is equipped with spacing fender shoulder. The hub is provided with an outer ball cage connecting hole for the hub connecting part to extend into, and the hub connecting part is statically connected with the hub in the circumferential direction; the cross sectional area of one end, close to the half shaft, of the anti-series rod is smaller than that of the other end of the anti-series rod; one end of the wheel hub connecting part, which is far away from the half shaft connecting part, is provided with a connecting hole of the anti-stringing rod, which is matched with one end of the anti-stringing rod, which is close to the half shaft, and the end of the anti-stringing rod, which is close to the half shaft, is connected with the connecting hole of the anti-stringing rod to prevent relative movement between the outer ball cage and the wheel hub; and the other end of the hub connecting part is provided with a lightening through hole, and the diameter of the lightening through hole is larger than that of the connecting hole of the anti-string rod.
In the automobile wheel-side power transmission system, the anti-series rod is of a bolt structure, and a screw hole which is arranged on the outer ball cage and is used for being connected with the anti-series rod is a counter bore. According to the invention, the outer ball cage is provided with the anti-series rod connecting holes connected with the anti-series rods, and the weight-reducing light through holes communicated with the anti-series rod connecting holes and having the aperture larger than that of the anti-series rod connecting holes, so that the weight of the outer ball cage is reduced compared with that of the conventional outer ball cage, and the improvement of the endurance mileage of an automobile is facilitated.
Preferably, a plurality of connecting teeth moving towards left and right are uniformly distributed on the outer surface of the hub connecting part in the circumferential direction, a plurality of connecting teeth matched with the connecting teeth moving towards left and right arranged on the outer surface of the hub connecting part are arranged on the hole surface of the corresponding outer ball cage connecting hole, the connecting teeth moving towards left and right arranged on the outer surface of the hub connecting part in the circumferential direction are uniformly distributed on the outer surface of the hub connecting part, and the connecting teeth moving towards left and right arranged on the hole surface of the outer ball cage connecting hole are connected to realize that the hub connecting part and the hub are statically connected in the circumferential direction.
Preferably, the connecting device also comprises a plurality of transmission rods and a connecting disc, a plurality of counter bores matched with the transmission rods are correspondingly arranged on the hub, the hub connecting part and the connecting disc, the free end faces of the connecting disc, the hub and the hub connecting part are attached, and two ends of the plurality of transmission rods are respectively inserted into the corresponding counter bores on the hub, the hub connecting part and the connecting disc; the connecting disc is provided with a through hole for preventing one end of the driving rod close to the half shaft from freely passing through. According to the optimal scheme, the two ends of the transmission rod are in transition fit with the corresponding counter bores formed in the hub, the hub connecting part and the connecting disc, the connection stability and reliability can be greatly improved through the selection of the material of the transmission rod and the appropriate heat treatment processing, and the overhaul and maintenance cost is reduced.
Preferably, the device also comprises a connecting disc, a plurality of transmission bulges are radially and uniformly distributed on one disc surface of the connecting disc, and correspondingly, transmission grooves which are matched with the transmission bulges and have the depth larger than the height of the transmission bulges are arranged on the free end surfaces of the connecting parts of the hub and the hub; the free end faces of the connecting disc and the hub are attached, the transmission protrusions are protruded into corresponding transmission grooves in the free end faces of the hub and the hub connecting portion, and a through hole for allowing one end, close to the half shaft, of the anti-string rod to freely penetrate is formed in the connecting disc. This preferred scheme, simple structure, the transmission reliability is high.
Preferably, the anti-stringing rod connecting hole is a threaded hole, and correspondingly, the anti-stringing rod is a bolt matched with the anti-stringing rod connecting hole.
Preferably, an annular groove is formed in the connecting hole of the anti-string rod, three anti-string small ball placing holes are uniformly distributed in the anti-string rod, each anti-string small ball placing hole is a stepped hole, the diameter of the inner section of each stepped hole is matched with the diameter of each anti-string small ball, the diameter of the outer section of each stepped hole is smaller than the diameter of each anti-string small ball, a spring is arranged on the inner section of each stepped hole, the anti-string small balls are placed behind the inner sections of the stepped holes, part of the anti-string small balls are ejected out of the anti-string small ball placing holes by the springs, and the part of balls outside the anti-string small balls are ejected out of the anti-string small ball placing holes by the springs and protrude into the annular groove. This preferred scheme, simple structure, dismouting are easy.
In conclusion, the automobile wheel-side power transmission system is novel and reliable in structure as a whole, easy to disassemble and assemble and high in maintainability.
Drawings
FIG. 1: the invention has a structure schematic diagram;
in the figure: the anti-running gear comprises a half shaft 1, an outer ball cage 2, a half shaft connecting part 2.1, a hub connecting part 2.2, a running rod connecting hole 2.21, a weight-reducing light through hole 2.22, a limiting blocking shoulder 2.3, a hub 3, a running rod preventing 4, a star-shaped sleeve 5 and a retainer 6.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
The first embodiment is as follows:
as shown in figure 1, the invention comprises a half shaft 1, an outer ball cage 2, a hub 3, a running-preventing rod 4, a star-shaped sleeve 5 and a retainer 6. The connection structure among the half shaft 1, the outer ball cage 2, the star-shaped sleeve 5 and the retainer 6 is a well-known technology and is not described in detail herein. The outer ball cage 2 comprises a half shaft connecting part 2.1 and a hub connecting part 2.2, and the connecting parts of the half shaft connecting part 2.1 and the hub connecting part 2.2 are arranged. The hub 3 is provided with an outer ball cage connecting hole 3.1 for the hub connecting part 2.2 to extend into, and the hub connecting part 2.2 is statically connected with the hub 3 in the circumferential direction. The cross sectional area of one end, close to the half shaft 1, of the anti-series rod 4 is smaller than that of the other end of the anti-series rod 4; one end of the wheel hub connecting part 2.2, which is far away from the half shaft connecting part 2.1, is provided with a connecting hole 2.21 of the anti-stringing rod, which is matched with one end of the anti-stringing rod 4, which is close to the half shaft, and one end of the anti-stringing rod 4, which is close to the half shaft 1, is connected with the connecting hole 2.21 of the anti-stringing rod so as to prevent the relative motion between the outer ball cage 2 and the wheel hub 3; the other end of the hub connecting part 2.2 is provided with a lightening smooth through hole 2.22, and the diameter of the lightening smooth through hole 2.22 is larger than that of the connecting hole 2.21 of the anti-running rod. Wherein, the circumference equipartition has a plurality of connection teeth of controlling the trend on the surface of wheel hub connecting portion 2.2, and the hole of corresponding outer ball cage connecting hole 3.1 is equipped with a plurality of and the wheel hub connecting portion 2.2 on the surface establish about the connection tooth adaptation of trend, establish on the surface of wheel hub connecting portion 2.2 the circumference equipartition about the connection tooth of trend with establish about on the hole surface of outer ball cage connecting hole 3.1 the connection tooth of trend link to each other and realize wheel hub connecting portion 2.2 and wheel hub 3 circumference quiet continuous. The anti-stringing rod connecting holes 2.21 are threaded holes, and correspondingly the anti-stringing rods 4 are bolts matched with the anti-stringing rod connecting holes 2.21.
Example two:
the difference between the second embodiment and the first embodiment is that an annular groove is arranged on the connecting hole 2.21 of the anti-string rod in the first embodiment, the annular groove is a trapezoidal annular groove, the anti-string rod 4 comprises an extending connecting section extending into the connecting hole 2.21 of the anti-string rod and a gear section positioned outside the connecting hole 2.21 of the anti-string rod, the diameter of the gear section is larger than that of the extending connecting section, and the gear section is provided with a structure (specific structural details) for pulling the anti-string rod 4 away from the connecting hole 2.21 of the anti-string rod, so that the details are not described herein due to the simple technology, three placing holes for placing the anti-string beads are uniformly distributed on the extending connecting section of the anti-string rod 4, the placing holes for placing the anti-string beads are stepped holes, the inner section diameter of the stepped holes is matched with the diameter of the anti-string beads, the outer section diameter of the stepped holes is smaller than that of the anti-string beads, the inner section of the stepped holes is provided with springs, the anti-string beads are placed behind the inner section of the stepped holes, the spring pushes out a part of the anti-string small ball out of the anti-string small ball placing hole, and the part of the ball body of the anti-string small ball which is pushed out by the spring and out of the anti-string small ball placing hole protrudes into the ring groove and is in contact with the trapezoidal waist surface of the ring groove.
Example three:
the invention comprises a half shaft 1, an outer ball cage 2, a hub 3, a running-preventing rod 4, a star-shaped sleeve 5 and a retainer 6. The outer ball cage 2 comprises a half shaft connecting part 2.1 and a hub connecting part 2.2, and a limiting retaining shoulder 2.3 is arranged at the connecting part of the half shaft connecting part 2.1 and the hub connecting part 2.2. The hub 3 is provided with an outer ball cage connecting hole 3.1 for the hub connecting part 2.2 to extend into, and the hub connecting part 2.2 is statically connected with the hub 3 in the circumferential direction. The cross sectional area of one end, close to the half shaft 1, of the anti-series rod 4 is smaller than that of the other end of the anti-series rod 4; one end of the wheel hub connecting part 2.2, which is far away from the half shaft connecting part 2.1, is provided with a connecting hole 2.21 of the anti-stringing rod, which is matched with one end of the anti-stringing rod 4, which is close to the half shaft, and one end of the anti-stringing rod 4, which is close to the half shaft 1, is connected with the connecting hole 2.21 of the anti-stringing rod so as to prevent the relative motion between the outer ball cage 2 and the wheel hub 3; the other end of the hub connecting part 2.2 is provided with a lightening smooth through hole 2.22, and the diameter of the lightening smooth through hole 2.22 is larger than that of the connecting hole 2.21 of the anti-running rod. In addition, the hub comprises a plurality of transmission rods and a connecting disc, a plurality of counter bores matched with the transmission rods are correspondingly arranged on the hub 3, the hub connecting part 2.2 and the connecting disc, the free end faces of the connecting disc, the hub 3 and the hub connecting part 2.2 are attached, and two ends of the plurality of transmission rods are respectively inserted into the corresponding counter bores on the hub, the hub connecting part and the connecting disc; the connecting disc is provided with a through hole for preventing one end of the driving rod 4 close to the half shaft from freely passing through. The circumferential static connection of the hub connection part 2.2 and the hub 3 is realized by a plurality of transmission rods and a connecting disc structure. The anti-stringing rod connecting holes 2.21 are threaded holes, and correspondingly the anti-stringing rods 4 are bolts matched with the anti-stringing rod connecting holes 2.21.
Example four:
the invention comprises a half shaft 1, an outer ball cage 2, a hub 3, a running-preventing rod 4, a star-shaped sleeve 5 and a retainer 6. The outer ball cage 2 comprises a half shaft connecting part 2.1 and a hub connecting part 2.2, and a limiting retaining shoulder 2.3 is arranged at the connecting part of the half shaft connecting part 2.1 and the hub connecting part 2.2. The hub 3 is provided with an outer ball cage connecting hole 3.1 for the hub connecting part 2.2 to extend into, and the hub connecting part 2.2 is statically connected with the hub 3 in the circumferential direction. The cross sectional area of one end, close to the half shaft 1, of the anti-series rod 4 is smaller than that of the other end of the anti-series rod 4; one end of the wheel hub connecting part 2.2, which is far away from the half shaft connecting part 2.1, is provided with a connecting hole 2.21 of the anti-stringing rod, which is matched with one end of the anti-stringing rod 4, which is close to the half shaft, and one end of the anti-stringing rod 4, which is close to the half shaft 1, is connected with the connecting hole 2.21 of the anti-stringing rod so as to prevent the relative motion between the outer ball cage 2 and the wheel hub 3; the other end of the hub connecting part 2.2 is provided with a lightening smooth through hole 2.22, and the diameter of the lightening smooth through hole 2.22 is larger than that of the connecting hole 2.21 of the anti-running rod. In addition, the device also comprises a connecting disc, a plurality of transmission bulges are radially and uniformly distributed on one disc surface of the connecting disc, and correspondingly, transmission grooves which are matched with the transmission bulges and have the depth larger than the height of the transmission bulges are arranged on the free end surfaces of the hub 3 and the hub connecting part 2.2; the free end faces of the connecting disc and the hub 3 are attached, the transmission protrusions enter corresponding transmission grooves in the free end faces of the hub 3 and the hub connecting portion 2.2, and a through hole for allowing one end, close to the half shaft, of the anti-series rod 4 to freely penetrate is formed in the connecting disc. The circumferential static connection of the hub connection 2.2 and the hub 3 is realized by the connecting disc structure. The anti-stringing rod connecting holes 2.21 are threaded holes, and correspondingly the anti-stringing rods 4 are bolts matched with the anti-stringing rod connecting holes 2.21.
The above embodiments are merely preferred embodiments of the present invention, and not intended to limit the structure and scope of the invention. Indeed, many equivalent variations in the shapes, constructions and design objectives of the devices according to the present invention are possible. Therefore, all equivalent changes in the shapes, structures and design objectives of the present invention are intended to be covered by the present invention, and all such equivalent changes are intended to be protected by the present invention.
Claims (1)
1. An automobile wheel-side power transmission system comprises a half shaft (1), an outer ball cage (2), a wheel hub (3), a anti-series rod (4), a star-shaped sleeve (5) and a retainer (6); the method is characterized in that: the outer ball cage (2) comprises a half shaft connecting part (2.1) and a hub connecting part (2.2), and a limiting retaining shoulder (2.3) is arranged at the connecting part of the half shaft connecting part (2.1) and the hub connecting part (2.2); the hub (3) is provided with an outer ball cage connecting hole (3.1) for the hub connecting part (2.2) to extend into, and the hub connecting part (2.2) is statically connected with the hub (3) in the circumferential direction; the cross sectional area of one end, close to the half shaft (1), of the anti-series rod (4) is smaller than that of the other end of the anti-series rod (4); one end of the wheel hub connecting part (2.2) far away from the half shaft connecting part (2.1) is provided with a anti-stringing rod connecting hole (2.21) matched with one end of the anti-stringing rod (4) close to the half shaft, and one end of the anti-stringing rod (4) close to the half shaft (1) is connected with the anti-stringing rod connecting hole (2.21) to prevent the relative motion between the outer ball cage (2) and the wheel hub (3); the other end of the hub connecting part (2.2) is provided with a lightening smooth through hole (2.22), and the diameter of the lightening smooth through hole (2.22) is larger than that of the connecting hole (2.21) of the anti-string rod;
a plurality of connecting teeth with left and right directions are uniformly distributed on the outer surface of the hub connecting part (2.2) in the circumferential direction, a plurality of connecting teeth matched with the connecting teeth with left and right directions arranged on the outer surface of the hub connecting part (2.2) are arranged on the hole surface of the corresponding outer ball cage connecting hole (3.1), the connecting teeth with left and right directions, which are uniformly distributed on the outer surface of the hub connecting part (2.2) in the circumferential direction, are connected with the connecting teeth with left and right directions arranged on the hole surface of the outer ball cage connecting hole (3.1) in the circumferential direction, so that the hub connecting part (2.2) is statically connected with the hub (3) in the circumferential direction;
an annular groove is formed in the connecting hole (2.21) of the anti-string rod, three small anti-string ball placing holes are correspondingly uniformly distributed in the anti-string rod (4), each small anti-string ball placing hole is a stepped hole, the diameter of the inner section of each stepped hole is matched with the diameter of each small anti-string ball, the diameter of the outer section of each stepped hole is smaller than that of each small anti-string ball, a spring is arranged at the inner section of each stepped hole, after the small anti-string balls are placed in the inner section of each stepped hole, one part of each small anti-string ball is pushed out of the small anti-string ball placing hole by the spring, and the part of each small anti-string ball, which is pushed out of the small anti-string ball placing hole by the spring, protrudes into the annular groove;
also comprises a connecting disc, on the basis of which:
the hub is characterized by further comprising a plurality of transmission rods, a plurality of counter bores matched with the transmission rods are arranged on the hub (3), the hub connecting part (2.2) and the connecting disc correspondingly, the free end faces of the connecting disc, the hub (3) and the hub connecting part (2.2) are attached to each other, and two ends of the plurality of transmission rods are inserted into the corresponding counter bores in the hub, the hub connecting part and the connecting disc respectively; a through hole for allowing one end of the anti-stringing rod (4) close to the half shaft to freely pass through is formed in the connecting disc;
or a plurality of transmission bulges are radially and uniformly distributed on one disc surface of the connecting disc, and correspondingly, the free end surfaces of the hub (3) and the hub connecting part (2.2) are provided with transmission grooves which have the depth larger than the height of the transmission bulges and are matched with the transmission bulges; the free end faces of the connecting disc and the hub (3) are attached, the transmission protrusions are protruded into corresponding transmission grooves in the free end faces of the hub (3) and the hub connecting portion (2.2), and a through hole for allowing one end, close to the half shaft, of the transmission rod (4) to freely penetrate is formed in the connecting disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698026.3A CN111923662B (en) | 2020-07-20 | 2020-07-20 | Automobile wheel-side power transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698026.3A CN111923662B (en) | 2020-07-20 | 2020-07-20 | Automobile wheel-side power transmission system |
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| Publication Number | Publication Date |
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| CN111923662A CN111923662A (en) | 2020-11-13 |
| CN111923662B true CN111923662B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010698026.3A Active CN111923662B (en) | 2020-07-20 | 2020-07-20 | Automobile wheel-side power transmission system |
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| DE4436789A1 (en) * | 1993-11-18 | 1995-05-24 | Gkn Automotive Ag | Insertion unit for wheel bearing in vehicle |
| CN1495052A (en) * | 2002-09-10 | 2004-05-12 | Ntn��ʽ���� | Bearing device for vehicle wheel |
| CN101112867A (en) * | 2006-07-24 | 2008-01-30 | Gkn动力传动***有限公司 | Wheel hub/universal joint assembly with securing ring for axially supporting the clamping means |
| CN201679936U (en) * | 2010-04-27 | 2010-12-22 | 洛阳豪智机械有限公司 | Dual-friction surface driving flange-type locking plate |
| CN201874474U (en) * | 2010-12-09 | 2011-06-22 | 西南石油大学 | Anti-falling device under novel torsional-impact drilling tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10314626A1 (en) * | 2002-04-11 | 2004-01-29 | Ntn Corp. | Bearing device for a drive wheel of a vehicle |
| EP1526297B1 (en) * | 2003-10-24 | 2007-03-28 | GKN Driveline International GmbH | Joint outer part with support disc |
| JP4302758B2 (en) * | 2007-08-30 | 2009-07-29 | Ｎｔｎ株式会社 | Wheel bearing device |
| DE102017209462A1 (en) * | 2016-08-25 | 2018-03-01 | Zf Friedrichshafen Ag | Wheel head for the driven steering wheels of commercial vehicles |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4436789A1 (en) * | 1993-11-18 | 1995-05-24 | Gkn Automotive Ag | Insertion unit for wheel bearing in vehicle |
| CN1495052A (en) * | 2002-09-10 | 2004-05-12 | Ntn��ʽ���� | Bearing device for vehicle wheel |
| CN101112867A (en) * | 2006-07-24 | 2008-01-30 | Gkn动力传动***有限公司 | Wheel hub/universal joint assembly with securing ring for axially supporting the clamping means |
| CN201679936U (en) * | 2010-04-27 | 2010-12-22 | 洛阳豪智机械有限公司 | Dual-friction surface driving flange-type locking plate |
| CN201874474U (en) * | 2010-12-09 | 2011-06-22 | 西南石油大学 | Anti-falling device under novel torsional-impact drilling tool |
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| CN111923662A (en) | 2020-11-13 |
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Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |