CN218966874U - Shank protection device, chassis assembly and vehicle - Google Patents
Shank protection device, chassis assembly and vehicle Download PDFInfo
- Publication number
- CN218966874U CN218966874U CN202223436124.3U CN202223436124U CN218966874U CN 218966874 U CN218966874 U CN 218966874U CN 202223436124 U CN202223436124 U CN 202223436124U CN 218966874 U CN218966874 U CN 218966874U
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- 238000009434 installation Methods 0.000 claims abstract description 9
- 244000309466 calf Species 0.000 claims description 36
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 230000001012 protector Effects 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 239000000725 suspension Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The embodiment of the application relates to the technical field of vehicle manufacturing and discloses a shank protection device, a chassis assembly and a vehicle, wherein the shank protection device is used for being installed on a chassis of the vehicle, a first installation part is arranged on the chassis, the shank protection device comprises a beam body, a first connection part is arranged on the beam body, and the first connection part is used for being nested with the first installation part so as to enable the beam body to be connected to the chassis. By applying the technical scheme of the embodiment of the application, the lower leg protection device and the chassis can be conveniently assembled together.
Description
Technical Field
The embodiment of the application relates to the technical field of vehicle manufacturing, in particular to a lower leg protection device, a chassis assembly and a vehicle.
Background
The lower leg protector is a component mounted in front of a vehicle for protecting the legs of a pedestrian when the vehicle collides with the pedestrian. Since the lower leg protection device can reduce the injury of the pedestrian caused by the collision of the vehicle, it is currently used in various vehicles.
Conventional calf guards typically provide a plurality of brackets for connection to the chassis of the vehicle. The support is provided with a plate-shaped support lug, the chassis is provided with a whole-surface-shaped matching plane, when the support and the chassis are connected, an installer needs to attach the support lug to the matching plane of the chassis, bolt holes of the support lug and the chassis are overlapped, and then the support lug is installed on the matching plane by utilizing bolts penetrating through the bolt holes of the support lug and the chassis, so that an alignment procedure is needed when the calf protection device is installed, namely the support lug is accurately positioned at a proper position on the matching plane, and the bolt holes of the support lug and the bolt holes of the chassis are ensured to be overlapped with each other.
However, when the shank protector is mounted to the chassis, the shank protector is prone to rattle, resulting in a change in the relative positions of the lugs and the chassis. Every time the relative position of the support lugs and the chassis changes, the alignment procedure of the lower leg protection device needs to be carried out again. The alignment process of the calf protector is complicated, which results in inconvenient installation between the calf protector and the chassis.
Disclosure of Invention
In order to solve the above problems, embodiments of the present application provide a lower leg protection device, a chassis assembly and a vehicle, which can facilitate assembling the lower leg protection device and the chassis together.
In a first aspect, embodiments of the present application provide a lower leg protection device for mounting on a chassis of a vehicle, a first mounting portion is provided on the chassis, the lower leg protection device includes a beam body, a first connecting portion is provided on the beam body, and the first connecting portion is used for nesting with the first mounting portion, so that the beam body is connected to the chassis.
In some embodiments, the first mounting portion is provided with a first mounting hole, and the first connecting portion is provided with a first connecting hole; the lower leg protection device further comprises a first connecting piece, wherein the first connecting piece penetrates through the first mounting hole and the first connecting hole so as to connect the first connecting portion with the first mounting portion.
In some embodiments, the first mounting part is provided with a first convex part protruding towards the direction approaching the beam body, the first connecting part is provided with a first concave part recessed towards the direction away from the chassis, and the first convex part is nested in the first concave part; or, the first mounting part is provided with a second concave part which is concave in a direction away from the beam body, the first connecting part is provided with a second convex part which is convex in a direction close to the chassis, and the second convex part is nested in the second concave part.
In some embodiments, the vehicle is further provided with a second mounting portion; the beam body is provided with a second connecting part, and the second connecting part is used for being connected with the second installation part.
In some embodiments, the second mounting portion is provided with a second mounting hole, and the second connecting portion is provided with a second connecting hole; the lower leg protection device further comprises a second connecting piece, wherein the second connecting piece penetrates through the second mounting hole and the second connecting hole so as to connect the second connecting portion with the second mounting portion.
In some of these embodiments, the first connection portion is detachably connected to the beam body.
In some embodiments, the beam body is made of plastic; and/or the first connecting part is made of plastic.
In a second aspect, embodiments of the present application provide a chassis assembly for use in a vehicle, the chassis assembly comprising:
the chassis is provided with a first installation part;
the calf protection apparatus of the first aspect, the first coupling portion is nested with the first mounting portion.
In some embodiments, a second mounting portion is further provided on the vehicle, and a second connecting portion is provided on the beam body, and the second connecting portion is connected with the second mounting portion.
In a third aspect, embodiments of the present application provide a vehicle comprising a chassis assembly as described in the second aspect.
The beneficial effects are that: according to the calf protection device, the first connecting portion is arranged on the beam body of the calf protection device and is used for being nested with the first mounting portion, so that when the calf protection device is mounted on the chassis of a vehicle, the beam body can be directly connected to the chassis through the first connecting portion and the first mounting portion in a nested mode, the beam body is prevented from shaking relative to the chassis, the follow-up beam body and the chassis are convenient to further connect, and the assembling process of the calf protection device and the chassis is more convenient.
The beneficial effects of the chassis assembly provided in the embodiment of the application for the prior art and the beneficial effects of the vehicle provided in the embodiment of the application for the prior art are the same as the beneficial effects of the calf protection device provided in the embodiment of the application for the prior art, and are not repeated here.
Drawings
FIG. 1 is an exemplary diagram of a calf protection apparatus provided in an embodiment of the present application mounted to a vehicle;
FIG. 2 is an exemplary illustration of the calf protector of FIG. 1 removed from the vehicle;
fig. 3 is an exploded view of the beam body and the first connection portion in the calf protection apparatus shown in fig. 2.
Reference numerals:
100-calf protection; 10-beam body; 11-a first connection; 111-first connection holes; 112-a third connection hole; 12-a second connection; 121-a second connection hole; 13-fourth connecting holes; 20-a first connector; 30-a second connector; 40-a third connector; 200-a first mounting portion; 210-a first mounting hole; 300-front bumper beam; 310-a second mounting portion; 311-second mounting holes; 400-front end frame.
Detailed Description
For the purposes, technical solutions and advantages of the embodiments of the present application to be more apparent, the specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are illustrative of the present application, but are not intended to limit the scope of the present application.
Referring to fig. 1 and 2, an exemplary view of a calf protection apparatus 100 according to an embodiment of the present application is provided to a vehicle and an exemplary view is provided to be detached from the vehicle, respectively.
In a first aspect, the present embodiment provides a calf protector 100 for being mounted on a chassis (not shown in the drawings) of a vehicle, the chassis being provided with a first mounting portion 200, the calf protector 100 comprising a beam 10, the beam 10 being provided with a first connecting portion 11, the first connecting portion 11 being adapted to nest with the first mounting portion 200 to connect the beam 10 to the chassis.
It will be appreciated that the vehicle may also include a front bumper beam 300 and a front bumper (not shown), the chassis including a suspension with a front end frame 400 provided thereon, the beam 10 being located below the front bumper beam 300, and the beam 10 being located between the front end frame 400 and the front bumper. The first mounting portion 200 may be directly provided on the suspension, or the suspension may be connected to the front end frame 400, and the first mounting portion 200 may be provided on the front end frame 400.
It may be appreciated that the first connecting portion 11 is nested with the first mounting portion 200, and the first mounting portion 200 may be sleeved on the first connecting portion 11, for example, the first mounting portion 200 is configured as a first protrusion protruding toward a direction approaching the beam body 10, the first protrusion may be a block/column, the first connecting portion 11 is provided with a first recess recessed toward a direction away from the chassis, the first recess may be a slot/hole, and the first protrusion is nested in the first recess; alternatively, the first mounting portion 200 is configured such that the first connecting portion 11 is sleeved on the first mounting portion 200, for example, the first mounting portion 200 is configured as a second concave portion recessed in a direction away from the beam 10, the second concave portion may be a groove/hole, the first connecting portion 11 is configured as a second convex portion protruding in a direction approaching the chassis, the second convex portion may be a block/column, and the second convex portion is nested in the second concave portion.
It will be appreciated that when the first connecting portion 11 is nested with the first mounting portion 200, the relative positions of the beam 10 and the chassis cannot be easily changed, that is, the beam 10 is positioned on the chassis, the beam 10 cannot easily shake relative to the chassis, and then the beam 10 can be further connected to the chassis by bolts, screws or welding, so as to ensure that the beam 10 and the chassis are tightly connected.
It will be appreciated that when the first connecting portion 11 is nested with the first mounting portion 200, the impact force received by the beam 10 will be transferred to the chassis (e.g. suspension) via the first mounting portion 200.
According to the calf protection device 100 provided by the embodiment of the application, since the first connecting portion 11 is arranged on the beam body 10 of the calf protection device 100 and the first connecting portion 11 is used for being nested with the first mounting portion 200, when the calf protection device 100 is mounted on the chassis of a vehicle, the beam body 10 can be directly connected on the chassis through the first connecting portion 11 and the first mounting portion 200 in a nested mode, the beam body 10 is prevented from easily shaking relative to the chassis, so that the subsequent beam body 10 and the chassis are further connected, and the assembling process of the calf protection device 100 and the chassis can be more convenient.
Alternatively, the first connection parts 11 may be provided in plurality at intervals, and the number of the first mounting parts 200 is equal to the number of the first connection parts 11.
It will be appreciated that the beam 10 is assembled with the front end frame 400 after being assembled with the suspension, and the dimensional consistency of the front of the vehicle can be improved.
It will be appreciated that the first connection portion 11 may be directly interference nested with the first mounting portion 200 or the first connection portion 11 may be welded or bonded to the first mounting portion 200.
Referring to fig. 2 and 3, in some embodiments thereof, the first mounting portion 200 is provided with a first mounting hole 210, and the first connection portion 11 is provided with a first connection hole 111; the calf protection apparatus 100 further includes a first coupling member 20, the first coupling member 20 being inserted into the first mounting hole 210 and the first coupling hole 111 to couple the first coupling portion 11 with the first mounting portion 200.
By adopting the above scheme, the first connecting portion 11 can be connected with the first mounting portion 200 more tightly, so as to avoid the first connecting portion 11 falling off from the first mounting portion 200.
Alternatively, the first connector 20 may be provided as a rivet, bolt or screw. When the first connection member 20 is a bolt, the first mounting hole 210 and the first connection hole 111 are both through holes; when the first connection member 20 is a screw, at least one of the first mounting hole 210 and the first connection hole 111 is a screw hole.
Alternatively, the first connection holes 111 may be provided in plural at intervals, for example, the first connection holes 111 may be provided in two sets (e.g., provided on opposite side walls of the first connection portion 11) opposite to each other, and the number of the first mounting holes 210 may be equal to the number of the first connection holes 111.
Referring to fig. 2, in some embodiments thereof, a second mount 310 is also provided on the vehicle; the beam body 10 is provided with a second connection portion 12, and the second connection portion 12 is used for being connected with the second mounting portion 310.
It is understood that the second mounting portion 310 may be disposed on the chassis of the vehicle or on the front bumper beam 300 of the vehicle, for example, a portion of the front bumper beam 300 is the second mounting portion 310, and the second connecting portion 12 may be a bump, a hanger, or the like.
By adopting the scheme, the vehicle and the beam body 10 can be connected more tightly, and the beam body 10 is prevented from falling from the vehicle.
Alternatively, the second connection parts 12 may be provided in plural at intervals, for example, the number of the first connection parts 11 and the number of the second connection parts 12 are equal.
Alternatively, the second connecting portion 12 and the second mounting portion 310 may be bonded, welded, or otherwise connected together.
Referring to fig. 2 and 3, in some embodiments thereof, the second mounting portion 310 is provided with a second mounting hole 311, and the second connection portion 12 is provided with a second connection hole 121; the calf protection apparatus 100 further includes a second coupling member 30, the second coupling member 30 being inserted into the second mounting hole 311 and the second coupling hole 121 to couple the second coupling portion 12 with the second mounting portion 310.
By adopting the above-described scheme, the second connecting portion 12 and the second mounting portion 310 can be conveniently assembled together.
Alternatively, the second connector 30 may be provided as a rivet, bolt or screw. When the second connection member 30 is a bolt, the second mounting hole 311 and the second connection hole 121 are both through holes; when the second connection member 30 is a screw, at least one of the second mounting hole 311 and the second connection hole 121 is a screw hole.
Alternatively, the second connection holes 121 may be provided in plurality at intervals, for example, two second connection holes 121 are provided at intervals, and the number of the second mounting holes 311 is equal to the number of the second connection holes 121.
Referring to fig. 3, in some of these embodiments, the first connection 11 is detachably connected with the beam 10.
By adopting the scheme, when the first connecting part 11 and the beam body 10 are processed, the accuracy of the first connecting part 11 is ensured, and the first connecting part 11 can be nested with the first mounting part 200, so that the first connecting part 11 and the beam body 10 are convenient to process.
Optionally, the first connecting portion 11 is provided with a third connecting hole 112, and the beam body 10 is provided with a fourth connecting hole 13; the shank protector 100 further comprises a third coupling element 40, the third coupling element 40 being provided in the third coupling hole 112 and the fourth coupling hole 13 in such a way as to couple the first coupling portion 11 to the beam body 10.
Alternatively, the third connecting member 40 may be provided as a rivet, a bolt, or a screw. When the third connecting member 40 is a bolt, the third connecting hole 112 and the fourth connecting hole 13 are through holes; when the third connecting member 40 is a screw, at least one of the third connecting hole 112 and the fourth connecting hole 13 is a screw hole.
Alternatively, the third connecting holes 112 may be disposed at intervals, for example, four third connecting holes 112 are disposed in rectangular distribution, and the number of the third connecting holes 112 and the number of the fourth connecting holes 13 are equal.
It can be understood that the first connection portion 11 and the beam body 10 may be connected by a buckle, that is, a sub buckle of the buckle is provided on one of the first connection portion 11 and the beam body 10, and a female buckle of the buckle is provided on the other of the first connection portion 11 and the beam body 10.
In some embodiments, the beam 10 is made of plastic; and/or, the material of the first connecting portion 11 is plastic.
It should be noted that the connection manner of the beam body 10 and the first connection portion 11 is not limited to the above manner, and the beam body 10 and the first connection portion 11 may be integrally formed in addition to the detachable manner as described above.
By adopting the scheme, the lower leg protection device 100 can meet the requirement of weight reduction while meeting the collision requirement, thereby reducing the weight of the whole vehicle.
Optionally, the beam body 10 is made of long glass fiber plastic or short glass fiber plastic, such as PP #
The material of the beam body 10 may be other materials, such as PA (Polyamide) 6-GF30 (Glass Fiber), and the like.
Referring to fig. 1, 2 and 3, the embodiment of the present application provides a calf protection apparatus 100 for being mounted on a chassis of a vehicle, a first mounting portion 200 is provided on the chassis, a second mounting portion 310 is further provided on a front bumper beam 300 of the vehicle, and the calf protection apparatus 100 includes a beam body 10, a first connecting member 20, a second connecting member 30 and a third connecting member 40.
The beam body 10 is made of plastic, the beam body 10 is provided with a first connecting portion 11, the first connecting portion 11 is made of plastic, and the first connecting portion 11 is used for being nested with the first mounting portion 200 so as to connect the beam body 10 to the chassis.
The first mounting portion 200 is provided with a first mounting hole 210, the first connecting portion 11 is provided with a first connecting hole 111, and the first connecting member 20 is inserted into the first mounting hole 210 and the first connecting hole 111 to connect the first connecting portion 11 and the first mounting portion 200 together.
The second mounting portion 310 is provided with a second mounting hole 311, the second connecting portion 12 is provided with a second connecting hole 121, and the second connecting member 30 is inserted into the second mounting hole 311 and the second connecting hole 121 to connect the second connecting portion 12 and the second mounting portion 310 together.
The first connecting portion 11 is provided with a third connecting hole 112, the beam body 10 is provided with a fourth connecting hole 13, and the third connecting piece 40 is arranged in the third connecting hole 112 and the fourth connecting hole 13 in a penetrating manner so as to connect the first connecting portion 11 with the beam body 10.
According to the calf protection device 100 provided by the embodiment of the application, since the first connecting portion 11 is arranged on the beam body 10 of the calf protection device 100 and the first connecting portion 11 is used for being nested with the first mounting portion 200, when the calf protection device 100 is mounted on the chassis of a vehicle, the beam body 10 can be directly connected on the chassis through the first connecting portion 11 and the first mounting portion 200 in a nested mode, the beam body 10 is prevented from easily shaking relative to the chassis, so that the subsequent beam body 10 and the chassis are further connected, and the assembling process of the calf protection device 100 and the chassis can be more convenient.
Referring to fig. 1 and 2, in a second aspect, embodiments of the present application provide a chassis assembly for mounting to a vehicle, the chassis assembly comprising a chassis and a calf protection apparatus 100 as in the first aspect.
The chassis is provided with a first mounting portion 200, and the first connecting portion 11 is nested with the first mounting portion 200.
It will be appreciated that the vehicle may also include a front bumper beam 300 and a front bumper (not shown), the chassis including a suspension with a front end frame 400 provided thereon, the beam 10 being located below the front bumper beam 300, and the beam 10 being located between the front end frame 400 and the front bumper. The first mounting portion 200 may be directly provided on the suspension, or the suspension may be connected to the front end frame 400, and the first mounting portion 200 may be provided on the front end frame 400.
It will be appreciated that the first connecting portion 11 is nested with the first mounting portion 200, and the first connecting portion 11 may be sleeved on the first mounting portion 200, for example, a groove/hole is provided on the first connecting portion 11, the first mounting portion 200 is provided as a block/column, or the first mounting portion 200 is sleeved on the first connecting portion 11, for example, the first connecting portion 11 is provided as a block/column, and a groove/hole is provided on the first mounting portion 200. When the first connecting portion 11 is nested with the first mounting portion 200, the collision force applied to the beam 10 is transmitted to the chassis (e.g., suspension) through the first mounting portion 200.
According to the chassis assembly provided by the embodiment of the application, since the first connecting part 11 is arranged on the beam body 10 of the lower leg protection device 100 connected with the chassis, and the first connecting part 11 is used for being nested with the first mounting part 200, when the lower leg protection device 100 is mounted on the chassis of a vehicle, the beam body 10 can be directly connected on the chassis through the first connecting part 11 and the first mounting part 200 in a nested manner, so that the beam body 10 can not shake relatively to the chassis easily, the subsequent further connection of the beam body 10 and the chassis is facilitated, and the assembly process of the lower leg protection device 100 and the chassis can be more convenient.
In some embodiments, the vehicle is further provided with a second mounting portion 310, and the beam 10 is provided with a second connecting portion 12, where the second connecting portion 12 is connected to the second mounting portion 310.
It is understood that the second mounting portion 310 may be disposed on the chassis of the vehicle or on the front bumper beam 300 of the vehicle, for example, a portion of the front bumper beam 300 is the second mounting portion 310, and the second connecting portion 12 may be a bump, a hanger, or the like.
By adopting the scheme, the vehicle and the beam body 10 can be connected more tightly, and the beam body 10 is prevented from falling from the vehicle.
Referring to fig. 1 and 2, in a third aspect, embodiments of the present application provide a vehicle including a chassis assembly as in the second aspect.
The vehicle provided by the embodiment of the application, because the vehicle comprises the chassis with the chassis and the shank protector 100, the first connecting part 11 is arranged on the beam 10 of the shank protector 100, and the first connecting part 11 is used for being nested with the first mounting part 200, when the shank protector 100 is mounted on the chassis of the vehicle, the beam 10 can be directly connected on the chassis through the first connecting part 11 and the first mounting part 200 in a nested manner, so that the beam 10 is ensured not to shake relative to the chassis easily, and further connection of the beam 10 and the chassis is facilitated, so that the assembling process of the shank protector 100 and the chassis is more convenient, i.
It is to be appreciated that the vehicle provided by embodiments of the present application may also include a front bumper beam 300, front bumpers, wheels, engines, and bodies, among others.
The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments. The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides a shank protection device for install on the chassis of vehicle, be provided with first installation department on the chassis, its characterized in that, shank protection device includes the roof beam body, be provided with first connecting portion on the roof beam body, first connecting portion be used for with first installation department is nested mutually, in order to with the roof beam body is connected on the chassis.
2. The calf protection apparatus of claim 1, wherein the first mounting portion has a first mounting hole thereon and the first connecting portion has a first connecting hole thereon; the lower leg protection device further comprises a first connecting piece, wherein the first connecting piece penetrates through the first mounting hole and the first connecting hole so as to connect the first connecting portion with the first mounting portion.
3. The calf protection apparatus according to claim 1, wherein the first mounting portion is provided as a first protrusion protruding in a direction approaching the beam body, the first connecting portion is provided with a first recess recessed in a direction away from the chassis, and the first protrusion is nested in the first recess; or, the first mounting part is provided with a second concave part which is concave in a direction away from the beam body, the first connecting part is provided with a second convex part which is convex in a direction close to the chassis, and the second convex part is nested in the second concave part.
4. The calf protection apparatus of claim 1, wherein the vehicle is further provided with a second mount; the beam body is provided with a second connecting part, and the second connecting part is used for being connected with the second installation part.
5. The calf protection apparatus of claim 4, wherein the second mounting portion has a second mounting hole thereon and the second connecting portion has a second connecting hole thereon; the lower leg protection device further comprises a second connecting piece, wherein the second connecting piece penetrates through the second mounting hole and the second connecting hole so as to connect the second connecting portion with the second mounting portion.
6. The calf protection apparatus of claim 1, wherein the first coupling portion is removably coupled with the beam body.
7. The calf protector according to any one of claims 1 to 6, wherein the beam is made of plastic; and/or the first connecting part is made of plastic.
8. A chassis assembly for use in a vehicle, the chassis assembly comprising:
the chassis is provided with a first installation part;
the calf protection apparatus of any one of claims 1-7, the first coupling portion nested with the first mounting portion.
9. The chassis assembly of claim 8, wherein a second mounting portion is further provided on the vehicle, and a second connecting portion is provided on the beam, the second connecting portion being connected to the second mounting portion.
10. A vehicle comprising a chassis assembly according to claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223436124.3U CN218966874U (en) | 2022-12-15 | 2022-12-15 | Shank protection device, chassis assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223436124.3U CN218966874U (en) | 2022-12-15 | 2022-12-15 | Shank protection device, chassis assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218966874U true CN218966874U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223436124.3U Active CN218966874U (en) | 2022-12-15 | 2022-12-15 | Shank protection device, chassis assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218966874U (en) |
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2022
- 2022-12-15 CN CN202223436124.3U patent/CN218966874U/en active Active
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