CN215293317U - Duplex universal joint and vehicle - Google Patents
Duplex universal joint and vehicle Download PDFInfo
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- CN215293317U CN215293317U CN202120764057.4U CN202120764057U CN215293317U CN 215293317 U CN215293317 U CN 215293317U CN 202120764057 U CN202120764057 U CN 202120764057U CN 215293317 U CN215293317 U CN 215293317U
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- 238000013016 damping Methods 0.000 claims abstract description 40
- 239000000126 substance Substances 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 21
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 102000004315 Forkhead Transcription Factors Human genes 0.000 description 3
- 108090000852 Forkhead Transcription Factors Proteins 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a pair universal joint and vehicle, include: a first yoke having a first central through hole; the second double-joint fork is provided with a second central through hole, and the first central through hole and the second central through hole are oppositely arranged and limit a containing through hole; the shock absorption ring sleeve is assembled in the accommodating through hole, the shock absorption ring sleeve and the accommodating through hole are coaxially arranged, and two ends of the shock absorption ring sleeve are respectively connected with the first duplex yoke and the second duplex yoke; wherein the damping ring sleeve is provided with a damping ring which is used for filtering high-frequency vibration transmitted by the first dual-link fork and/or the second dual-link fork. The utility model discloses a duplex universal joint is provided with shock attenuation ring cover, and this shock attenuation ring cover has the shock attenuation ring, and this shock attenuation ring can filter the vibration of first duplex yoke and/or the transmission of second duplex yoke to reach absorbing purpose.
Description
Technical Field
The utility model relates to a universal joint technical field, in particular to pair universal joint and vehicle.
Background
The universal joint is a mechanical structure which utilizes spherical connection to realize power transmission of different shafts and realize a machine part for realizing variable-angle power transmission, is used for changing the position of a transmission axis direction, and is an important part of a vehicle.
The steering intermediate shaft assembly adopts the existing duplex universal joint structure, and the vibration transmitted from the road surface by a suspension, a steering gear and the like can not be weakened, so that a driver holds the steering wheel with hands to have obvious vibration feeling, and the driving and the user experience are influenced.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
The utility model aims at providing a can carry out filtration treatment's duplex universal joint and vehicle to the vibration.
(II) technical scheme
In order to solve the above problem, a first aspect of the embodiments of the present invention provides a double universal joint, including: a first yoke having a first central through hole; the second double-joint fork is provided with a second central through hole, and the first central through hole and the second central through hole are oppositely arranged and limit a containing through hole; the shock absorption ring sleeve is assembled in the accommodating through hole, the shock absorption ring sleeve and the accommodating through hole are coaxially arranged, and two ends of the shock absorption ring sleeve are respectively connected with the first duplex yoke and the second duplex yoke; wherein the damping ring sleeve has a damping ring for filtering vibrations transmitted by the first and/or second yokes.
Further, the shock absorbing collar comprises: an inner sleeve; an outer sleeve, a portion of which surrounds an outer periphery of the inner sleeve; the damping ring is formed between the inner wall of the outer sleeve and the outer wall of the inner sleeve.
Further, still include: at least two first fixing pins; all the first fixing pins are arranged along the circumferential direction of the outer sleeve, and all the first fixing pins penetrate through the hole wall of the first central through hole and the pipe wall of the outer sleeve so as to fix the outer sleeve and the first dual-joint fork.
Further, still include: at least two second fixing pins; all the second fixing pins are arranged along the circumferential direction of the inner sleeve, and all the second fixing pins penetrate through the hole wall of the second central through hole and the pipe wall of the inner sleeve so as to fix the inner sleeve and the second double-joint fork.
Further, still include: at least two anti-slip pins; all the anti-disengaging pins are arranged along the circumferential direction of the outer sleeve, the anti-disengaging pins penetrate through the hole wall of the second central through hole and the pipe wall of the outer sleeve, and when the first duplex joint fork and the second duplex joint fork are relatively far away from each other along the axial direction of the accommodating through hole, the outer sleeve and the second duplex joint fork are prevented from disengaging.
Furthermore, the first fixing pin, the second fixing pin and the anti-dropping pin are arranged on a straight line parallel to the axial direction of the accommodating through hole, and the anti-dropping pin is positioned between the first fixing pin and the second fixing pin.
Furthermore, the pipe wall of the outer sleeve is provided with a limiting hole, the anti-falling pin is positioned in the limiting hole, the aperture of the limiting hole is larger than the diameter of the anti-falling pin, and the inner wall of the limiting hole limits the moving range of the anti-falling pin relative to the limiting hole; when the first yoke and the second yoke are twisted relatively, the relative twisting angle of the first yoke and the second yoke is defined by adjusting the position of the anti-slip pin in the movable range.
Furthermore, a limiting groove is formed in the second double-joint fork, and a notch of the limiting groove is arranged towards the first central through hole; the outer sleeve is provided with a limiting part facing the limiting groove, and the limiting part is arranged in the limiting groove; the limiting part is provided with the limiting hole, the anti-falling pin penetrates through the hole wall of the second central through hole and the limiting hole, the aperture of the limiting hole is larger than the diameter of the anti-falling pin, and the inner wall of the limiting hole limits the moving range of the anti-falling pin relative to the limiting hole; when the first yoke and the second yoke are twisted relatively, the relative twisting angle of the first yoke and the second yoke is defined by adjusting the position of the anti-slip pin in the movable range.
Further, the aperture of the first central through hole is larger than the aperture in the second central through hole; the outer wall of the outer sleeve is attached to the inner wall of the first central through hole; the outer wall of the inner sleeve is attached to the inner wall of the second central through hole.
A second aspect of the embodiments provides a vehicle, including: the embodiment of the utility model provides an arbitrary one pair universal joint that first aspect provided.
(III) advantageous effects
The above technical scheme of the utility model has following profitable technological effect:
the utility model discloses a duplex universal joint is provided with shock attenuation ring cover, and this shock attenuation ring cover has the shock attenuation ring, and this shock attenuation ring can filter the vibration of first duplex yoke and/or the transmission of second duplex yoke to reach absorbing purpose.
Drawings
Fig. 1 is a schematic structural diagram of a double universal joint according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a double universal joint according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a damping collar according to an embodiment of the present invention;
fig. 4 is a schematic structural view illustrating the connection between the outer sleeve and the anti-slip pin according to an embodiment of the present invention.
Reference numerals:
1: a first yoke; 11: a first central through hole; 2: a second yoke; 21: a limiting groove; 3: a damping ring sleeve; 31: a shock-absorbing ring; 32: an inner sleeve; 33: an outer sleeve; 331: a limiting hole; 332: a limiting part; 4: a first fixing pin; 5: a second fixing pin; 6: the anti-drop pin; 7: a ball joint fork; 8: a ball sleeve joint fork; 9: a cross bearing assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The following explains nouns appearing in the embodiments of the present invention:
a double universal joint: the double-cross-shaft universal joint constant-speed or unequal-speed transmission device is characterized in that the length of a transmission shaft is reduced to be smaller, and two end joint forks are centered and limited through a spherical structure.
NVH is an English abbreviation for Noise, Vibration and Harshness (Noise, Vibration, Harshness). This is a comprehensive measure of the quality of a vehicle's manufacture, which gives the vehicle user the most immediate and surface experience. The NVH problem of vehicles is one of the concerns of various large vehicle manufacturing enterprises and component enterprises in the international vehicle industry. Statistics show that 1/3 of the whole vehicle has a fault problem related to NVH of the vehicle.
In a first embodiment of the present invention, as shown in fig. 1, a double universal joint is provided, which mainly includes a first double yoke 1, a second double yoke 2 and a damping ring sleeve 3. The first yoke 1 has a first central through hole 11; the second yoke 2 has a second central through hole (not shown in the figure), and the first central through hole 11 is arranged opposite to the second central through hole and defines a containing through hole; the damping ring sleeve 3 is arranged in the accommodating through hole, the damping ring sleeve 3 and the accommodating through hole are coaxially arranged, and two ends of the damping ring sleeve 3 are respectively connected with the first duplex fork 1 and the second duplex fork 2; the damping ring sleeve 3 has a damping ring 31, and the damping ring 31 is used for filtering the vibration transmitted by the first yoke 1 and/or the second yoke 2.
Specifically, as shown in fig. 1-2, the dual universal joint includes a ball joint yoke 7, a ball joint yoke 8, a cross bearing assembly 9, a first dual joint yoke 1, a second dual joint yoke 2, and a damping collar 3. The first duplex yoke 1 and the second duplex yoke 2 are oppositely arranged to form a duplex yoke, cross bearing holes are respectively formed in two ends of the duplex yoke, the axes of the cross bearing holes in the two ends form a certain phase angle, a cross bearing assembly 9 is respectively arranged on the cross bearing holes in the two ends of the duplex yoke, one end of the duplex yoke is connected with the ball joint yoke 7 through the cross bearing assembly 9, and the other end of the duplex yoke is connected with the ball joint yoke 8.
The ball joint fork 7 and the ball sleeve joint fork 8 respectively comprise a joint fork main body and a fork head arranged at the front end of the joint fork main body, a main body through hole is formed in the rear end of the joint fork main body, the main body through hole penetrates through the rear end of the joint fork main body, and the main body through hole is coaxially arranged with the first central through hole 11 and the second central through hole 21. The front side of the fork head of the ball joint fork 7 is provided with a ball head, the front side of the fork head of the ball sleeve joint fork 8 is provided with a ball sleeve matched with the ball head, and the ball head is clamped into the ball sleeve, so that the ball head freely rotates along the circumferential direction of the ball sleeve, and the ball head and the ball sleeve are matched to meet the requirement of steering smooth stability and stabilize the rotation center.
The damping ring sleeve 3 is assembled in the accommodating through hole through a press-fitting process, vibration transmitted by the first duplex yoke 1 and/or the second duplex yoke 2 reaches the damping ring sleeve 3, and the damping ring 31 filters vibration through damping action so as to achieve the purpose of damping the duplex universal joint.
In some embodiments, as shown in fig. 1 and 3, damping ring sleeve 3 includes an inner sleeve 32, an outer sleeve 33, and a damping ring 31. A portion of the outer sleeve 33 surrounds the outer periphery of the inner sleeve 32; the cushion ring 31 is formed between the inner wall of the outer sleeve 33 and the outer wall of the inner sleeve 32.
Specifically, the damping ring sleeve 3 is a double-layer sleeve including an outer sleeve 33 and an inner sleeve 32, a part of the outer sleeve 33 surrounds the outer periphery of the inner sleeve 32, the inner sleeve 32 and the outer sleeve 33 are staggered, the inner sleeve 32 extends out of the outer sleeve 33, and the damping ring 31 is located between the outer sleeve 33 and the inner sleeve 32, so that vibration transmitted from any one of the outer sleeve 33 and the inner sleeve 32 is filtered at the damping ring 31 to achieve the purpose of damping.
In some embodiments, the dampening ring 31 may be a rubber dampening ring that is vulcanized to the inner and outer sleeves 32, 33, respectively.
In some embodiments, the tandem universal joint further comprises at least two first fixing pins 4; all the first fixing pins 4 are circumferentially arranged along the outer sleeve 33, and all the first fixing pins 4 penetrate through the hole wall of the first central through hole 11 and the pipe wall of the outer sleeve 33 to fix the outer sleeve 33 and the first double-joint fork 1, so that the outer sleeve 33 receives vibration transmitted by the first double-joint fork 1, the received vibration is transmitted to the damping ring 31, and the damping ring 31 filters the vibration through damping action, thereby finally achieving the purpose of vibration reduction.
Specifically, the first fixing pin 4 is disposed on a side of the cushion ring 31 away from the inner sleeve 32 in the axial direction of the cushion ring housing 3.
In some embodiments, the tandem universal joint further comprises at least two second fixing pins 5; all the second fixing pins 5 are circumferentially arranged along the inner sleeve 32, and all the second fixing pins 5 penetrate through the hole wall of the second central through hole and the pipe wall of the inner sleeve 32 so as to fix the inner sleeve 32 and the second double-jointed fork 2. After the inner sleeve 32 receives the vibration transmitted from the second double yoke 2, the received vibration is transmitted to the shock absorption ring 31, and the shock absorption ring 31 filters the vibration through the damping effect, so that the purpose of vibration absorption is finally achieved.
Specifically, the second fixing pin 5 is disposed on a side of the cushion ring 31 away from the outer sleeve 33 in the axial direction of the cushion ring housing 3.
In some embodiments, the outer sleeve 33 is rivet connected to the first yoke 1.
In some embodiments, the outer sleeve 33 is bolted to the first yoke 1.
In some embodiments, the outer sleeve 33 is welded to the first yoke 1.
In some embodiments, the inner sleeve 32 is rivet connected to the second yoke 2.
In some embodiments, the inner sleeve 32 is bolted to the second yoke 2.
In some embodiments, the inner sleeve 32 is welded to the second double yoke 2.
In some embodiments, as shown in fig. 1-4, the tandem universal joint further comprises at least two anti-drop pins 6; all the anti-release pins 6 are arranged along the circumferential direction of the outer sleeve 33, and the anti-release pins 6 penetrate through the hole wall of the second central through hole and the pipe wall of the outer sleeve 33, so that when the first duplex fork 1 and the second duplex fork 2 are relatively far away from each other along the axial direction of the accommodating through hole, the outer sleeve 33 and the second duplex fork 2 are prevented from being separated.
Specifically, when the first yoke 1 and the second yoke 2 are relatively far away from each other in the axial direction of the accommodating through hole, at least part of the outer periphery of the anti-release pin 6 is tightly attached to the pipe wall of part of the outer sleeve 33 around the anti-release pin 6, so that the outer sleeve 33 is blocked from being far away from the second yoke 2, the outer sleeve 33 is prevented from being separated from the second yoke 2, and finally, the second yoke 2 is prevented from being separated from the first yoke 1 fixedly connected with the outer sleeve 33.
In some embodiments, a first fixing pin 4, a second fixing pin 5 and a separation preventing pin 6 are arranged on a straight line parallel to the axial direction of the accommodating through hole, and the separation preventing pin 6 is positioned between the first fixing pin 4 and the second fixing pin 5.
Specifically, a first fixing pin 4, a second fixing pin 5 and an anti-falling pin 6 are taken as a group, and the first fixing pin 4, the second fixing pin 5 and the anti-falling pin 6 in the same group are sequentially arranged on the same straight line, and the straight line is parallel to the axial direction of the accommodating through hole.
In some embodiments, the wall of the outer sleeve 33 has a limiting hole 331, the anti-slip pin 6 is located in the limiting hole 331, the aperture of the limiting hole 331 is larger than the diameter of the anti-slip pin 6, and the inner wall of the limiting hole 331 defines the range of motion of the anti-slip pin 6 relative to the limiting hole 331; when the first yoke 1 and the second yoke 2 are twisted relatively, the relative twisting angle of the first yoke 1 and the second yoke 2 is defined by adjusting the position of the anti-slip pin 6 in the movable range.
Specifically, the diameter of the limiting hole 331 and the diameter of the anti-slip pin 6 have a difference in aperture, so that the limiting hole 331 can move relatively in the limiting hole 331 (within a range defined by the inner wall of the limiting hole 331) with respect to the anti-slip pin 6, the first and second twisted pair yokes 1 and 2 respectively drive the corresponding limiting hole 331 and the anti-slip pin 6 to move in the limiting hole 331, and when part of the outer wall of the anti-slip pin 6 is tightly attached to the hole wall of the limiting hole 331, the first and second pair yokes 1 and 2 are twisted relatively by a maximum angle, and the first and second pair yokes 1 and 2 are twisted relatively within a certain range by the blocking effect of the hole wall of the limiting hole 331.
In addition, when the aperture of the limiting hole 331 and the diameter of the anti-drop pin 6 can be manufactured as corresponding parts, the manufacturing can be performed based on results obtained from a large amount of experimental data.
In some embodiments, the second yoke 2 has a limiting groove 21 thereon, and the notch of the limiting groove 21 is disposed toward the first central through hole 11; the outer sleeve 33 is formed with a limit part 332 towards the limit groove 21, and the limit part 332 is arranged in the limit groove 21; the limiting part 332 is provided with a limiting hole 331, the anti-drop pin 6 penetrates through the hole wall of the second central through hole and the limiting hole 331, the aperture of the limiting hole 331 is larger than the diameter of the anti-drop pin 6, and the inner wall of the limiting hole 331 limits the moving range of the anti-drop pin 6 relative to the limiting hole 331; when the first yoke 1 and the second yoke 2 are twisted relatively, the relative twisting angle of the first yoke 1 and the second yoke 2 is defined by adjusting the position of the anti-slip pin 6 in the movable range.
Specifically, a limiting groove 21 with a notch facing the first central through hole 11 is formed in the side wall of the second double-link fork 2, namely the hole wall of the second central through hole, and an anti-falling pin 6 through hole and an anti-falling pin 6 blind hole are formed in the hole wall of the second central through hole in the direction perpendicular to the damping ring sleeve 3; the outer sleeve 33 is provided with a limiting part 332 corresponding to the limiting groove 21, the limiting part 332 is sheet-shaped, the thickness of the limiting part 332 is the same as that of the outer sleeve 33, the limiting part 332 extends into the limiting groove 21, the limiting hole 331 is arranged on the limiting part 332, and the anti-falling pin 6 sequentially passes through the through hole of the anti-falling pin 6, the limiting hole 331 and the blind hole of the anti-falling pin 6, so that the outer sleeve 33 is connected with the second double-yoke fork 2. The diameter of the limiting hole 331 and the diameter of the anti-release pin 6 are different in aperture, so that the limiting hole 331 can move relatively in the limiting hole 331 (within a range limited by the inner wall of the limiting hole 331) relative to the anti-release pin 6, the first and second twisted pair yokes 1 and 2 respectively drive the corresponding limiting hole 331 and the anti-release pin 6 to move in the limiting hole 331, when part of the outer wall of the anti-release pin 6 is tightly attached to the hole wall of the limiting hole 331, the first and second pair yokes 1 and 2 are twisted relatively by a maximum angle, and the first and second pair yokes 1 and 2 are twisted relatively within a certain range by the blocking effect of the hole wall of the limiting hole 331.
In some embodiments, the aperture of the first central through hole 11 is larger than the aperture in the second central through hole; the outer wall of the outer sleeve 33 is attached to the inner wall of the first central through hole 11; the outer wall of the inner sleeve 32 is attached to the inner wall of the second central through hole.
Specifically, the hole wall thickness of the first central through hole 11 is smaller than that of the second central through hole, and the first central through hole 11 and the second central through hole are coaxially arranged; the axes of the first central through hole 11 and the second central through hole are the axes of the accommodating through holes, and the accommodating through holes and the damping ring sleeve 3 are coaxially arranged; the outer sleeve 33 and the inner sleeve are coaxially arranged, and the axis of the outer sleeve 33 and the axis of the inner sleeve are the axis of the damping ring sleeve 3.
In a second embodiment, the present invention provides a vehicle, including the present invention provides in a first aspect any duplex universal joint.
The duplex universal joint is installed on turning to the jackshaft assembly to solve the undulant super poor problem of steering torque that the axle included angle difference is great leads to.
Specifically, the duplex universal joint sets up on leading steering trapezoid or the steering intermediate shaft assembly of right rudder car, can solve the undulant super poor problem of steering torque who leads to the axle included angle difference is great and the high frequency vibration problem that follow road surface transmission comes such as suspension, steering gear to promote whole vehicle's man-machine and arrange environment and NVH performance.
The above technical scheme of the utility model has following profitable technological effect:
the utility model discloses a duplex universal joint is provided with shock attenuation ring cover 3, and this shock attenuation ring cover 3 has shock attenuation ring 31, and this shock attenuation ring can filter the vibration of first duplex yoke 1 and/or the 2 transmissions of second duplex yoke to reach absorbing purpose.
Claims (10)
1. A duplex universal joint, comprising:
a first double yoke (1) having a first central through hole (11);
the second double-joint fork (2) is provided with a second central through hole, and the first central through hole (11) is opposite to the second central through hole and defines a containing through hole;
the damping ring sleeve (3) is assembled in the accommodating through hole, the damping ring sleeve (3) and the accommodating through hole are coaxially arranged, and two ends of the damping ring sleeve (3) are respectively connected with the first duplex yoke (1) and the second duplex yoke (2); wherein the content of the first and second substances,
the damping ring sleeve (3) has a damping ring (31), the damping ring (31) being used to filter vibrations transmitted by the first yoke (1) and/or the second yoke (2).
2. Double knuckle according to claim 1, characterized in that said damping collar (3) comprises:
an inner sleeve (32);
an outer sleeve (33), a portion of the outer sleeve (33) surrounding an outer circumference of the inner sleeve (32);
the damper ring (31) is formed between an inner wall of the outer sleeve (33) and an outer wall of the inner sleeve (32).
3. The tandem gimbal according to claim 2, further comprising: at least two first fixing pins (4);
all the first fixing pins (4) are arranged along the circumferential direction of the outer sleeve (33), and all the first fixing pins (4) penetrate through the hole wall of the first central through hole (11) and the pipe wall of the outer sleeve (33) so as to fix the outer sleeve (33) and the first double-joint fork (1).
4. The tandem gimbal according to claim 3, further comprising: at least two second fixing pins (5);
all the second fixing pins (5) are arranged along the circumferential direction of the inner sleeve (32), and all the second fixing pins (5) penetrate through the hole wall of the second central through hole and the pipe wall of the inner sleeve (32) so as to fix the inner sleeve (32) and the second double-joint fork (2).
5. The tandem gimbal according to claim 4, further comprising: at least two anti-slip pins (6);
all the anti-dropping pins (6) are arranged along the circumferential direction of the outer sleeve (33), the anti-dropping pins (6) penetrate through the hole wall of the second central through hole and the pipe wall of the outer sleeve (33), and when the first double-link fork (1) and the second double-link fork (2) are relatively far away from each other along the axial direction of the accommodating through hole, the outer sleeve (33) and the second double-link fork (2) are prevented from dropping off.
6. Duplex joint according to claim 5,
the first fixing pin (4), the second fixing pin (5) and the anti-falling pin (6) are arranged on a straight line parallel to the axial direction of the accommodating through hole, and the anti-falling pin (6) is located between the first fixing pin (4) and the second fixing pin (5).
7. Duplex joint according to claim 6,
the pipe wall of outer tube (33) has spacing hole (331), anticreep round pin (6) are located spacing hole (331), the aperture of spacing hole (331) is greater than the diameter of anticreep round pin (6).
8. Duplex joint according to claim 6,
the second double-joint fork (2) is provided with a limiting groove (21), and the notch of the limiting groove (21) faces the first central through hole (11);
a limiting part (332) is formed on the outer sleeve (33) towards the limiting groove (21), and the limiting part (332) is arranged in the limiting groove (21);
the limiting portion (332) is provided with the limiting hole (331), the anti-falling pin (6) penetrates through the hole wall of the second central through hole and the limiting hole (331), and the aperture of the limiting hole (331) is larger than the diameter of the anti-falling pin (6).
9. Duplex joint according to claim 2,
the aperture of the first central through hole (11) is larger than the aperture in the second central through hole;
the outer wall of the outer sleeve (33) is attached to the inner wall of the first central through hole (11);
the outer wall of the inner sleeve (32) is attached to the inner wall of the second central through hole.
10. A vehicle, characterized by comprising: a universal double joint according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120764057.4U CN215293317U (en) | 2021-04-14 | 2021-04-14 | Duplex universal joint and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120764057.4U CN215293317U (en) | 2021-04-14 | 2021-04-14 | Duplex universal joint and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215293317U true CN215293317U (en) | 2021-12-24 |
Family
ID=79536514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120764057.4U Active CN215293317U (en) | 2021-04-14 | 2021-04-14 | Duplex universal joint and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215293317U (en) |
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2021
- 2021-04-14 CN CN202120764057.4U patent/CN215293317U/en active Active
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