CN218055339U - Steering column and vehicle - Google Patents
Steering column and vehicle Download PDFInfo
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- CN218055339U CN218055339U CN202221484735.2U CN202221484735U CN218055339U CN 218055339 U CN218055339 U CN 218055339U CN 202221484735 U CN202221484735 U CN 202221484735U CN 218055339 U CN218055339 U CN 218055339U
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Abstract
The utility model discloses a steering column and vehicle, steering column includes tubular column body, double-shaft motor, altitude mixture control subassembly and angle adjusting part, wherein, double-shaft motor high adjusting part with angle adjusting part all sets up on the tubular column body, double-shaft motor has first output shaft and second output shaft, first output shaft with the transmission of high adjusting part is connected, the second output shaft with the transmission of angle adjusting part is connected. The utility model discloses steering column replaces the bi-motor structure among the correlation technique for single motor structure, drives altitude mixture control subassembly and angle adjusting subassembly respectively through two output shafts of a biaxial motor, and the height and the angle of help driver adjustment steering wheel have not only reduced the quantity of motor, have reduced steering column's the complexity and the assembly degree of difficulty to reduce whole car cost, alleviateed whole car weight, be favorable to the lightweight of vehicle.
Description
Technical Field
The utility model relates to a vehicle manufacturing technical field especially relates to a steering column and vehicle.
Background
The steering function of the automobile is realized through a steering system, and the steering system comprises a steering wheel, a steering column, an intermediate shaft, a steering gear and the like; the driver rotates the steering wheel, and the torque is transmitted to the steering gear through the steering column and the intermediate shaft, and the steering gear converts the rotation into the left-right movement of the rack, so that the steering of the whole vehicle is realized.
The steering wheel of some vehicles can carry out altitude mixture control and angle modulation according to user's demand, this is realized through adjusting steering column, among the correlation technique, common steering column that can turn to has electricity to adjust the tubular column and mechanical regulation steering column, the altitude mixture control and the angle modulation function of the electronic regulation steering column among the correlation technique are realized through two motor drive respectively, it is more complicated to arrange two motors on steering column and make steering column's structure, weight increase, whole car cost increase.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the utility model provides a simple structure, light in weight's steering column.
The embodiment of the utility model provides a vehicle that has above-mentioned steering column is still provided.
The utility model discloses steering column includes tubular column body, double-shaft motor, altitude mixture control subassembly and angle adjusting part, wherein, double-shaft motor the altitude mixture control subassembly with angle adjusting part all sets up on the tubular column body, double-shaft motor has first output shaft and second output shaft, first output shaft with the altitude mixture control subassembly transmission is connected, the second output shaft with the angle adjusting part transmission is connected.
The utility model discloses steering column replaces the bi-motor structure among the correlation technique for single motor structure, drives altitude mixture control subassembly and angle adjusting subassembly respectively through two output shafts of a biax motor, and the height and the angle of help driver adjustment steering wheel have not only reduced the quantity of motor, have reduced steering column's the complexity and the assembly degree of difficulty to reduce whole car cost, alleviateed whole car weight, be favorable to the lightweight of vehicle.
In some embodiments, the steering column further comprises an upper shaft section and a lower shaft section, the column body comprises an upper column tube and a lower column tube, the upper column tube is connected with the lower column tube in a sliding manner, a first end of the bottom of the upper shaft section is movably connected with the upper column tube, the lower shaft section is connected with the lower end of the lower column tube, and the double-shaft motor is connected with the lower column tube;
one end of the height adjusting component is in transmission connection with the first output shaft, the other end of the height adjusting component is connected with the upper column tube, the double-shaft motor drives the upper column tube and the upper shaft section to lift through the transmission of the first output shaft and the height adjusting component so as to adjust the height of the upper column tube and the upper shaft section,
one end of the angle adjusting assembly is in transmission connection with the second output shaft, the other end of the angle adjusting assembly is connected with the second end of the bottom of the upper shaft section, and the double-shaft motor drives the second end of the upper shaft section to lift through transmission of the second output shaft and the angle adjusting assembly so as to adjust the angle of the upper shaft section.
In some embodiments, the height adjustment assembly comprises:
a first speed reducing mechanism, wherein the first end of the first speed reducing mechanism is in transmission connection with a first output shaft,
the first end of the first transmission mechanism is in transmission connection with the second end of the first speed reducing mechanism, the second end of the first transmission mechanism is connected with the upper column tube, and the first transmission mechanism converts the rotary motion of the first output shaft into the linear motion of the upper column tube.
In some embodiments, the first speed reducing mechanism comprises a first worm, a first worm wheel and a first worm wheel shaft, the first worm is in transmission connection with the first output shaft, the first worm is meshed with the first worm wheel, and a first end of the first worm wheel shaft is connected with the first worm wheel;
the first transmission mechanism comprises a first lead screw and a first nut, the first end of the first lead screw is connected with the second end of the worm wheel shaft, the second end of the first lead screw is in threaded connection with the first nut, and the first nut is installed on the upper column tube.
In some embodiments, the angle adjustment assembly comprises:
a second speed reducing mechanism, wherein the first end of the second speed reducing mechanism is in transmission connection with a second output shaft,
and the first end of the second transmission mechanism is in transmission connection with the second end of the second speed reducing mechanism, the second end of the second transmission mechanism is connected with the second end of the bottom of the upper shaft section, and the second transmission mechanism converts the rotary motion of the second output shaft into the linear motion of the second end of the upper shaft section.
In some embodiments, the second speed reducing mechanism comprises a second worm, a second worm wheel and a second worm wheel shaft, the second worm is in transmission connection with the second output shaft, the second worm is meshed with the second worm wheel, and a first end of the second worm wheel shaft is connected with the second worm wheel;
the second transmission mechanism comprises a second lead screw and a second nut, the first end of the second lead screw is in transmission connection with the second end of the worm wheel shaft, the second end of the second lead screw is in threaded connection with the second nut, and the second nut is installed on the upper shaft section.
In some embodiments, the height adjustment assembly further comprises a first clutch disposed between the first output shaft and the first worm, the output shaft of the first clutch being integrally formed with the first worm;
the angle adjustment assembly further includes a second clutch, the first clutch being disposed between the second output shaft and the second worm, the output shaft of the second clutch being integrally formed with the second worm.
In some embodiments, the lower end of the upper column tube is provided with a guide post, and the lower column tube is provided with a mounting hole, wherein the guide post is slidably fitted in the mounting hole.
In some embodiments, the steering column further comprises:
the first mounting bracket is connected with the upper column tube, and a first mounting hole is formed in the first mounting bracket;
and the second mounting bracket is connected with the lower column tube, and a second mounting hole is formed in the second mounting bracket.
The vehicle of the second aspect embodiment of the present invention includes the steering column of any of the above embodiments.
Drawings
Fig. 1 is a schematic view of a steering column according to an embodiment of the present invention.
Fig. 2 is an internal schematic view of an upper shaft section of a steering column according to an embodiment of the present invention.
Fig. 3 is another schematic view of a steering column according to an embodiment of the present invention.
Fig. 4 is yet another schematic view of a steering column in accordance with an embodiment of the present invention.
Fig. 5 is a schematic connection diagram of an upper column tube and a lower column tube of a steering column according to an embodiment of the present invention.
Reference numerals:
11. an upper column tube; 12. a lower column tube; 121. a guide post;
21. an upper shaft section; 22. a lower shaft section; 23. a rotating shaft;
3. a double-shaft motor;
4. a height adjustment assembly; 41. a first speed reduction mechanism; 411. a first worm; 412. a first worm gear; 413. a first worm-gear shaft; 42. a first transmission mechanism; 421. a first lead screw; 422. a first nut; 43. a first clutch;
5. an angle adjustment assembly; 51. a second reduction mechanism; 511. a second worm; 512. a second worm gear; 52. a second transmission mechanism; 521. a second lead screw; 522. a second nut; 53. a second clutch;
61. a first mounting bracket; 62. a second mounting bracket.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1-5, the utility model discloses steering column includes tubular column body, double-shaft motor 3, altitude mixture control subassembly 5 and angle adjusting subassembly 5, and wherein, double-shaft motor 3, altitude mixture control subassembly 4 and angle adjusting subassembly 5 all set up on the tubular column body, and double-shaft motor 3 has first output shaft and second output shaft, first output shaft with altitude mixture control subassembly 4 transmission is connected, and the second output shaft is connected with angle adjusting subassembly 5 transmission.
Specifically, the tubular column body includes upper prop pipe 11 and lower prop pipe 12, steering column still includes last axial region 21, wherein upper prop pipe 11 and lower prop pipe 12 are steering column's main part, both sliding connection and upper prop pipe 11 are located the top of lower prop pipe 12, last axial region 21 is established in upper prop pipe 11 top, the bottom of going up axial region 21 has first end and second end on the horizontal direction, the first end of going up axial region 21 bottom is articulated with upper prop pipe 11 through pivot 23, the top of upper axial region 21 is suitable for being connected with the steering wheel, double-shaft motor 3 installs and links to each other at lower prop pipe 12, double-shaft motor 3's both ends respectively are equipped with an output shaft, be first output shaft and second output shaft respectively.
The height adjusting assembly 4 is mainly used for adjusting the height of the upper column tube 11 and the upper shaft section 21, and further adjusting the distance between the steering wheel and a driver. Specifically, the one end and the first output shaft transmission of height adjusting subassembly 4 are connected, and the other end and the upper column tube 11 of height adjusting subassembly 4 link to each other, and double-shaft motor 3 accessible first output shaft and the transmission of height adjusting subassembly 4 and drive upper column tube 11 and last shaft segment 21 go up and down to the height of adjustment upper column tube 11 and last shaft segment 21.
Angle adjusting part 5 mainly used adjusts the angle of last shaft section 21, and then the angle of inclination of adjustment steering wheel, specifically, the one end and the second output shaft transmission of angle adjusting part 5 are connected, the other end of angle adjusting part 5 links to each other with the second end of last shaft section 21 bottom, the transmission of 3 accessible second output shafts of double-shaft motor and angle adjusting part 5 drives the second end lift of last shaft section 21 bottom, the first end of the bottom of going up shaft section 21 is articulated with last column pipe 11, thereby reach the purpose of the angle of adjusting last shaft section 21.
The utility model discloses steering column drives height adjusting subassembly 4 and angle adjusting subassembly 5 simultaneously through a biaxial motor 3, and the height and the angle of help driver adjustment steering wheel compare in the steering column among the correlation technique, have not only reduced the quantity of motor, have reduced steering column's the complexity and the assembly degree of difficulty to reduce whole car cost, alleviateed whole car weight, be favorable to the lightweight of vehicle.
In some embodiments, the height adjusting assembly 4 includes a first speed reducing mechanism 41 and a first transmission mechanism 42, a first end of the first speed reducing mechanism 41 is in transmission connection with the first output shaft, the first speed reducing mechanism 41 is used for reducing the rotation speed of the first output shaft, increasing the output torque of the first output shaft and reducing the inertia of the load, a first end of the first transmission mechanism 42 is in transmission connection with a second end of the first speed reducing mechanism 41, a second end of the first transmission mechanism 42 is connected with the upper column tube 11, and the first transmission mechanism 42 can convert the rotary motion of the first output shaft into the linear motion of the upper column tube 11.
Therefore, the first output shaft of the dual-shaft motor 3 increases the torque through the first speed reducing mechanism 41 and then drives the first transmission mechanism 42 to drive the upper column tube 11 and the upper shaft section 21 to ascend or descend.
As shown in fig. 2 and fig. 3, specifically, the first speed reducing mechanism 41 is a worm and gear speed reducing mechanism, the first speed reducing mechanism 41 includes a first worm 411, a first worm gear 412 and a first worm gear shaft 413, the first worm 411 is in transmission connection with a first output shaft, the first worm 411 is meshed with the first worm gear 412, the first output shaft can drive the first worm 411 to rotate, the first worm 411 drives the first worm gear 412 to rotate, a first end of the first worm gear shaft 413 is connected to the first worm gear 412, and the first worm gear shaft 413 rotates along with the rotation of the first worm gear 412.
The principle and structure of the angle adjusting assembly 5 are substantially the same as those of the height adjusting assembly 4, the angle adjusting assembly 5 comprises a second speed reducing mechanism 51 and a second transmission mechanism 52, a first end of the second speed reducing mechanism 51 is in transmission connection with a second output shaft, a first end of the second transmission mechanism 52 is in transmission connection with a second end of the second speed reducing mechanism 51, a second end of the second transmission mechanism 52 is connected with a second end at the bottom of the upper shaft section 21, and the second transmission mechanism 52 can convert the rotary motion of the second output shaft into the linear motion of the second end of the upper shaft section 21.
As shown in fig. 4, the second speed reducing mechanism 51 includes a second worm 511, a second worm wheel 512, and a second worm wheel shaft (not shown), the second worm 511 is connected to a second output shaft, the second worm 511 is engaged with the second worm wheel 512, a first end of the second worm wheel shaft is connected to the second worm wheel 512, the second output shaft can drive the second worm 511 to rotate, the second worm 511 drives the second worm wheel 512 to rotate, a first end of the second worm wheel shaft is connected to the second worm wheel 512, and the second worm wheel shaft rotates along with the rotation of the second worm wheel 512.
The second transmission mechanism 52 includes a second lead screw 521 and a second nut 522, the second lead screw 521 is in transmission connection with the second worm gear shaft through a gear set, a second end of the second lead screw 521 is in threaded connection with the second nut 522, the second nut 522 is mounted on the upper shaft section 21, the second lead screw 521 rotates along with the rotation of the second worm gear shaft, and the second nut 522 rotates along with the second lead screw 521, so as to drive the second end at the bottom of the upper shaft section 21 to ascend or descend.
It should be noted that the forms of the first nut 422 and the second nut 522 are not limited to the common nut structure, but may also be a sleeve structure with internal threads, or a threaded hole matched with the first lead screw is directly formed on the upper column tube 11, or may also be other forms, as long as the first nut 422 and the second nut are in threaded connection and drive the upper column tube 11 to lift.
In some embodiments, the height adjustment assembly 4 further comprises a first clutch 43, the first clutch 43 is disposed between a first output shaft and the first worm 411, the output shaft of the first clutch 43 is integrally formed with the first worm 411, and the first clutch 43 can control the engagement and disengagement of the first output shaft with and from the first reduction mechanism 41.
Likewise, the angle adjusting assembly 5 further includes a second clutch 53, the first clutch 43 being disposed between the second output shaft and the second worm 511, the output shaft of the second clutch 53 being integrally formed with the second worm 511. The second clutch 53 can control the engagement and disengagement of the second output shaft with and from the second reduction mechanism 51.
When the driver needs to adjust the height of the steering wheel, the first clutch 43 controls the first output shaft to be combined with the first speed reducing mechanism 41, and the second clutch 53 controls the second output shaft to be separated from the second speed reducing mechanism 51; when the driver needs to adjust the angle of the steering wheel, the first clutch 43 controls the first output shaft to be separated from the first speed reducing mechanism 41, and the second clutch 53 controls the second output shaft to be combined with the second speed reducing mechanism 51, so that independent control of four-way adjustment is realized.
As shown in fig. 5, in some embodiments, the lower end of the upper column tube 11 is provided with a guide post 121, and the lower column tube 12 is provided with a mounting hole, and the guide post 121 is slidably fitted in the mounting hole, so as to realize slidable connection between the two.
The steering column further comprises a lower shaft section 22, the lower shaft section 22 is connected with the lower end of the lower column tube 12, the lower shaft section 22 is connected with a steering gear of a vehicle through an intermediate shaft, a driver rotates a steering wheel and transmits torque to a steering gear through a steering column mandrel, the steering gear converts rotation into left and right movement of a rack, and therefore steering of the whole vehicle is achieved.
In some embodiments, the steering column further includes a first mounting bracket 61 and a second mounting bracket 62, both of which are used to mount the steering column to the instrument panel for securement of the steering column.
The vehicle of the second aspect embodiment of the present invention includes the steering column of any of the above embodiments.
The technical advantages of the vehicle of the second aspect embodiment of the present invention are the same as the technical advantages of the steering column of the above embodiments, and are not repeated here.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.
Claims (10)
1. A steering column, comprising:
the pipe column comprises a pipe column body, a double-shaft motor (3), a height adjusting assembly (4) and an angle adjusting assembly (5), wherein the double-shaft motor (3), the height adjusting assembly (4) and the angle adjusting assembly (5) are arranged on the pipe column body, the double-shaft motor (3) is provided with a first output shaft and a second output shaft, the first output shaft is in transmission connection with the height adjusting assembly (4), and the second output shaft is in transmission connection with the angle adjusting assembly (5).
2. The steering column according to claim 1, characterized by further comprising an upper shaft section (21) and a lower shaft section (22), wherein the column body comprises an upper column tube (11) and a lower column tube (12), the upper column tube (11) is slidably connected with the lower column tube (12), a first end of the bottom of the upper shaft section (21) is movably connected with the upper column tube (11), the lower shaft section (22) is connected with the lower end of the lower column tube (12), and the double-shaft motor (3) is connected with the lower column tube (12);
one end of the height adjusting assembly (4) is in transmission connection with the first output shaft, the other end of the height adjusting assembly (4) is connected with the upper column tube (11), and the double-shaft motor (3) drives the upper column tube (11) and the upper shaft section (21) to lift through transmission of the first output shaft and the height adjusting assembly (4) so as to adjust the heights of the upper column tube (11) and the upper shaft section (21);
one end of the angle adjusting component (5) is in transmission connection with the second output shaft, the other end of the angle adjusting component (5) is connected with the second end of the bottom of the upper shaft section (21), and the double-shaft motor (3) drives the second end of the upper shaft section (21) to lift through the transmission of the second output shaft and the angle adjusting component (5) so as to adjust the angle of the upper shaft section (21).
3. Steering column according to claim 2, characterized in that the height adjustment assembly (4) comprises:
a first speed reducing mechanism (41), wherein a first end of the first speed reducing mechanism (41) is in transmission connection with a first output shaft,
the first end of the first transmission mechanism (42) is in transmission connection with the second end of the first speed reducing mechanism (41), the second end of the first transmission mechanism (42) is connected with the upper column tube (11), and the first transmission mechanism (42) converts the rotary motion of the first output shaft into the linear motion of the upper column tube (11).
4. The steering column according to claim 3, characterized in that the first reduction mechanism (41) comprises a first worm (411), a first worm wheel (412) and a first worm wheel shaft (413), the first worm (411) is in transmission connection with the first output shaft, the first worm (411) and the first worm wheel (412) are meshed, and a first end of the first worm wheel shaft (413) is connected with the first worm wheel (412);
the first transmission mechanism (42) comprises a first lead screw (421) and a first nut (422), a first end of the first lead screw (421) is connected with a second end of the worm wheel shaft, a second end of the first lead screw (421) is in threaded connection with the first nut (422), and the first nut (422) is installed on the upper column tube (11).
5. Steering column according to claim 4, characterized in that the angle adjustment assembly (5) comprises:
a second speed reducing mechanism (51), wherein a first end of the second speed reducing mechanism (51) is in transmission connection with a second output shaft,
and a second transmission mechanism (52), wherein a first end of the second transmission mechanism (52) is in transmission connection with a second end of the second speed reducing mechanism (51), a second end of the second transmission mechanism (52) is connected with a second end of the bottom of the upper shaft section (21), and the second transmission mechanism (52) converts the rotary motion of the second output shaft into the linear motion of the second end of the upper shaft section (21).
6. The steering column according to claim 5, characterized in that the second reduction mechanism (51) comprises a second worm (511), a second worm wheel (512) and a second worm wheel shaft, the second worm (511) is in transmission connection with the second output shaft, the second worm (511) and the second worm wheel (512) are meshed, and a first end of the second worm wheel shaft is connected with the second worm wheel (512);
the second transmission mechanism (52) comprises a second lead screw (521) and a second nut (522), a first end of the second lead screw (521) is in transmission connection with a second end of the worm wheel shaft, a second end of the second lead screw (521) is in threaded connection with the second nut (522), and the second nut (522) is installed on the upper shaft section (21).
7. Steering column according to claim 6, characterized in that the height adjustment assembly (4) further comprises a first clutch (43), the first clutch (43) being arranged between the first output shaft and the first worm (411), the output shaft of the first clutch (43) being formed integrally with the first worm (411);
the angle adjustment assembly (5) further comprises a second clutch (53), the first clutch (43) being disposed between the second output shaft and the second worm (511), the output shaft of the second clutch (53) being integrally formed with the second worm (511).
8. The steering column according to claim 2, characterized in that the lower end of the upper column tube (11) is provided with a guide post (121), and the lower column tube (12) is provided with a mounting hole, the guide post (121) being slidably fitted in the mounting hole.
9. The steering column according to claim 2, further comprising:
the first mounting bracket (61), the first mounting bracket (61) is connected with the upper column tube (11), and a first mounting hole is formed in the first mounting bracket (61);
the second mounting bracket (62), the second mounting bracket (62) with lower pillar pipe (12) link to each other, be equipped with the second mounting hole on the second mounting bracket (62).
10. A vehicle, characterized in that it comprises a steering column according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221484735.2U CN218055339U (en) | 2022-06-14 | 2022-06-14 | Steering column and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221484735.2U CN218055339U (en) | 2022-06-14 | 2022-06-14 | Steering column and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218055339U true CN218055339U (en) | 2022-12-16 |
Family
ID=84434611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221484735.2U Active CN218055339U (en) | 2022-06-14 | 2022-06-14 | Steering column and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218055339U (en) |
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2022
- 2022-06-14 CN CN202221484735.2U patent/CN218055339U/en active Active
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