CN216102553U

CN216102553U - Electric motor car back handrail and electric motor car

Info

Publication number: CN216102553U
Application number: CN202120391976.1U
Authority: CN
Inventors: 苏晨; 蒋旭东; 巩师耀
Original assignee: Nine Intelligent Changzhou Tech Co Ltd
Current assignee: Nine Intelligent Changzhou Tech Co Ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2022-03-22
Anticipated expiration: 2031-02-20

Abstract

The utility model provides an electric vehicle rear handrail and an electric vehicle. The rear handrail of the electric vehicle has the advantages of high structural strength, strong bending resistance and long service life.

Description

Electric motor car back handrail and electric motor car

Technical Field

The utility model relates to the technical field of electric vehicles, in particular to an electric vehicle rear armrest and an electric vehicle.

Background

The electric motor car generally sets up back handrail at the rear of seat to conveniently carry the electric motor car. In the related art, some electric vehicles are formed by injection molding of rear handrails for reducing the weight of the whole electric vehicle, and when the electric vehicle is lifted by the rear handrails, the rear handrails are easy to bend or even break, so that the service life is short.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the embodiment of the first aspect of the utility model provides an electric vehicle rear armrest, which has the advantages of high structural strength, strong bending resistance and long service life.

An embodiment of the second aspect of the present invention also provides an electric vehicle.

The electric vehicle rear armrest according to the embodiment of the first aspect of the utility model includes a connecting portion connected to a frame of an electric vehicle, a pull-up portion connected to the connecting portion, and a reinforcing rib connected to the connecting portion and the pull-up portion.

According to the rear handrail of the electric vehicle, the reinforcing ribs are arranged to connect the connecting part and the lifting part, so that the structural strength of the connecting part and the lifting part is increased, and the rear handrail of the electric vehicle can bear larger bearing capacity. When the electric vehicle is pulled by the pulling part, the pulling part and the connecting part of the pulling part and the connecting part are more difficult to bend or break, and the service life of the rear handrail of the electric vehicle is long.

In some embodiments, the connecting portion, the pulling portion, and the reinforcing rib are integrally injection molded.

In some embodiments, the connecting portion is located in front of the pulling portion, and a rear end of the pulling portion is bent downward.

In some embodiments, the reinforcing ribs include a first reinforcing rib and a second reinforcing rib provided on the lifting portion, the first reinforcing rib is connected to the second reinforcing rib, and an extending direction of the first reinforcing rib forms an angle with an extending direction of the second reinforcing rib.

In some embodiments, the first reinforcing ribs are provided in plurality and spaced apart in a width direction of a frame of the electric vehicle, and the second reinforcing ribs are provided in plurality and spaced apart in a length direction of the frame.

In some embodiments, the reinforcing rib further includes a plurality of third reinforcing ribs provided on the connecting portion, and the plurality of third reinforcing ribs are spaced apart in a width direction of the frame of the electric vehicle.

In some embodiments, the rear armrest of the electric vehicle further comprises an adapter portion, the adapter portion is a bending plate, the adapter portion has a first end and a second end opposite to each other in the bending direction, the first end of the adapter portion is connected to the connecting portion, and the second end of the adapter portion is connected to the lifting portion.

In some embodiments, the reinforcing rib further includes a plurality of fourth reinforcing ribs disposed on the adapter portion, and the plurality of fourth reinforcing ribs are distributed at intervals along a width direction of the frame of the electric vehicle.

In some embodiments, the wall thickness of the connecting portion and the pull portion is 2.5mm to 3.5 mm.

In some embodiments, the frame includes a rear cross member, one of the rear cross member and the connecting portion is provided with a connecting hole, and the other of the rear cross member and the connecting portion is provided with a threaded hole, and the connecting portion is connected to the rear cross member by a bolt that passes through the connecting hole and is threadedly engaged with the threaded hole.

In some embodiments, the connecting holes are a plurality of connecting holes, the connecting holes are spaced apart in the left-right direction, and the axial direction of the connecting holes is the left-right direction.

An electric vehicle according to an embodiment of a second aspect of the present invention includes a frame and the electric vehicle rear armrest of any of the above embodiments, and a connecting portion of the electric vehicle rear armrest is connected to a rear cross member of the frame.

The technical advantages of the electric vehicle according to the embodiment of the utility model are the same as those of the electric vehicle rear armrest, and are not described herein again.

Drawings

Fig. 1 is a schematic view of a rear armrest for an electric vehicle according to an embodiment of the present invention.

Reference numerals:

the rear handrail of the electric vehicle comprises a rear handrail 100 of the electric vehicle, a connecting part 1, a connecting hole 101, a lifting part 2, a reinforcing rib 3, a first reinforcing rib 301, a second reinforcing rib 302, a third reinforcing rib 303, a fourth reinforcing rib 304 and an adapter part 4.

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 illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

The following describes an electric vehicle rear armrest 100 according to an embodiment of the present invention with reference to fig. 1.

The electric vehicle rear armrest 100 according to the embodiment of the first aspect of the present invention includes a coupling part 1, a lifting part 2, and a reinforcing bead 3. The connecting part 1 is connected with a frame of the electric vehicle, the connecting part 1 is connected with the lifting part 2, and the reinforcing ribs 3 are connected with the connecting part 1 and the lifting part 2.

According to the rear armrest 100 of the electric vehicle, the reinforcing ribs 3 are arranged to connect the connecting part 1 and the lifting part 2, so that the structural strength of the connecting part 1 and the lifting part 2 is increased, and the rear armrest 100 of the electric vehicle can bear larger bearing capacity. When the electric vehicle is pulled up by the pulling part 2, the pulling part 2 and the connection part between the pulling part 2 and the connection part 1 are less likely to be bent or broken, and the service life of the electric vehicle rear armrest 100 is long.

For convenience of understanding, an arrow a in fig. 1 indicates a left-right direction of the electric vehicle rear armrest 100, an arrow B in fig. 1 indicates a front-rear direction of the electric vehicle rear armrest 100, and an arrow C in fig. 1 indicates a vertical direction of the electric vehicle rear armrest 100.

In some embodiments, the connecting portion 1, the lifting portion 2, and the reinforcing rib 3 are integrally injection molded.

Therefore, the strength of the connection part 1, the lifting part 2 and the reinforcing rib 3 at the connection part is higher, and compared with the rear armrest made of the bent pipe or the cast aluminum structure in the related art, the rear armrest 100 for the electric vehicle made of plastic has smaller weight and lower manufacturing cost.

Specifically, the whole body of the electric vehicle rear armrest 100 is integrally formed by injection molding of Polypropylene (PP), so that the electric vehicle rear armrest 100 has better toughness, is less prone to fracture and has a longer service life.

In some embodiments, the connection part 1 is located in front of the pulling part 2, and the rear end of the pulling part 2 is bent downward.

Specifically, the connecting part 1 and the lifting part 2 are both plate-shaped structures, the connecting part 1 is a vertical plate, and at least part of the lifting part 2 is a horizontal plate. By arranging the rear end of the lifting part 2 to be bent downwards, when the electric vehicle is lifted upwards through the lifting part 2, the downward bent part of the lifting part 2 can prevent the fingers of a user from being pulled out of the lifting part 2, and the lifting effect is good.

In some embodiments, the reinforcing ribs 3 include at least one first reinforcing rib 301 and at least one second reinforcing rib 302 provided on the lifting portion 2, the first reinforcing rib 301 is connected to the second reinforcing rib 302, and the extending direction of the first reinforcing rib 301 forms an angle with the extending direction of the second reinforcing rib 302. Alternatively, the second reinforcing bead 302 is connected between adjacent two of the first reinforcing beads 301.

As shown in fig. 1, the first ribs 301 and the second ribs 302 form a dense grid-shaped reinforcing structure, which further ensures the bending strength of the lifting portion 3 of the electric vehicle rear armrest 100, i.e., when a user's finger presses against a certain region of the lifting portion 2, the lifting portion 2 is less likely to be deformed and broken with respect to the connecting portion 1 in front, and the region is less likely to be deformed and broken with respect to the left region and the right region of the lifting portion 2 located in the region.

In some embodiments, the first reinforcing ribs 301 are provided in plural and spaced apart in a width direction of a frame of the electric vehicle, and the second reinforcing ribs 302 are provided in plural and spaced apart in a length direction of the frame.

As shown in fig. 1, the plurality of first ribs 301 extend in the front-rear direction, and the plurality of second ribs 302 extend in the left-right direction, thereby effectively ensuring the deformation fracture resistance of the entire lifting portion 2. Moreover, the first reinforcing rib 301 and the second reinforcing rib 302 are positioned on the lower surface of the lifting part 2, that is, the upper surface of the lifting part 2 is a smooth cambered surface, thereby ensuring the appearance beauty of the electric vehicle.

The rib 3 further includes a plurality of third ribs 303 provided on the connecting portion 1, and the plurality of third ribs 303 are spaced apart from each other in the width direction of the frame of the electric vehicle. Thereby ensuring the bending strength of the connection part 1 of the rear armrest 100 of the electric vehicle.

In some embodiments, the electric vehicle rear armrest 100 further includes an adaptor portion 4, the adaptor portion 4 is a bent plate, the adaptor portion 4 has a first end and a second end opposite to each other along a bending direction, the first end of the adaptor portion 4 is connected to the connecting portion 1, and the second end of the adaptor portion 4 is connected to the lifting portion 2. The connecting part 1 is further connected with the lifting part 2 through the adapter part 4, and the lifting part 2 has stronger deformation and fracture resistance relative to the connecting part 1.

In some embodiments, the reinforcing rib 3 further includes a plurality of fourth reinforcing ribs 304 provided on the adaptor portion 4, and the plurality of fourth reinforcing ribs 304 are spaced apart in the width direction of the frame of the electric vehicle. Specifically, the plurality of fourth reinforcing beads 304 extend in the front-rear direction, the fourth reinforcing beads 304 correspond to the third reinforcing beads 303 one to one, the front ends of the fourth reinforcing beads 304 are connected to the corresponding third reinforcing beads 303, and the rear ends of the fourth reinforcing beads 304 are connected to a part of the first reinforcing beads 301, thereby further ensuring the deformation and fracture resistance of the lifting portion 2 with respect to the connecting portion 1. Further, the third reinforcing bead 303 is integrally formed with the fourth reinforcing bead 304.

In some embodiments, the wall thickness of the connecting portion 1 and the pull portion 2 is 2.5mm to 3.5 mm.

Specifically, by providing the first reinforcing rib 301 and the second reinforcing rib 302, the wall thickness of the connecting portion 1 and the lifting portion 2 can be set smaller than that of the related art back rail, which further reduces the manufacturing cost while ensuring that the electric vehicle back rail 100 can bear the same amount of force.

Preferably, the wall thickness of the connecting part 1 and the pulling part 2 is 3mm, and at this time, in the case where the first reinforcing bead 301 and the second reinforcing bead 302 are provided, the electric vehicle back rail 100 can bear a force of about 55kg, that is, a user can pull substantially all types of electric vehicles therethrough.

In some embodiments, the frame comprises a rear cross member, one of the rear cross member and the connecting portion 1 is provided with a connecting hole 101, and the other of the rear cross member and the connecting portion 1 is provided with a threaded hole. The connecting portion 1 is connected to the rear cross member by a bolt passing through the connecting hole 101 and threadedly engaged with the threaded hole.

Specifically, the frame further comprises two longitudinal beams, and the rear cross beam is welded between the two longitudinal beams. A welding nut may be welded to the rear cross member, a threaded hole may be formed in the welding nut, and a connection hole 101 may be formed in the connection portion 1. When installing handrail 100 behind the electric motor car, only need to remove connecting portion 1 to the settlement position of rear beam, pass connecting hole 101 and with screw hole screw-thread fit through the bolt afterwards, can realize the installation of handrail 100 on the electric motor car behind the electric motor car, the installation is simple and convenient.

In some embodiments, the plurality of connection holes 101 is provided, the plurality of connection holes 101 are spaced apart in the left-right direction, and the axial direction of the plurality of connection holes 101 is the left-right direction.

As shown in fig. 1, the number of the connecting holes 101 and the number of the threaded holes are two, two weld nuts forming the threaded holes are welded on the rear side surface of the rear cross beam, and after the connecting portion 1 is connected with the rear cross beam through a bolt, the front end surface of the connecting portion 1 is in contact with the rear side surface of the rear cross beam in an attaching manner. Thereby ensuring the stability of the connection between the connecting portion 1 and the rear cross member.

The electric vehicle according to the embodiment of the second aspect of the present invention includes a frame and the electric vehicle rear armrest 100 of any of the above embodiments, and the connecting portion 1 in the electric vehicle rear armrest 100 is connected to a rear cross member on the frame.

Technical advantages of the electric vehicle according to the embodiment of the present invention are the same as those of the above-described electric vehicle back armrest 100, and thus, detailed description thereof is omitted.

In some embodiments, the electric vehicle is an electric bicycle.

In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

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 such 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," "secured," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. 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" and the like mean that a specific 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 embodiments of the present invention have been shown and described above, 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 can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. An electric vehicle rear armrest, comprising:

the connecting part is connected with a frame of the electric vehicle, and the connecting part is connected with the lifting part; and

and the reinforcing rib is connected with the connecting part and the lifting part.

2. The electric vehicle rear armrest according to claim 1, wherein the connecting portion, the pull-up portion, and the reinforcing rib are integrally injection-molded.

3. The electric vehicle rear armrest according to claim 1, wherein the connecting portion is located forward of the lift portion, and a rear end of the lift portion is bent downward.

4. The back armrest for the electric vehicle as claimed in claim 1, wherein the reinforcing ribs include a first reinforcing rib and a second reinforcing rib provided on the lifting portion, the first reinforcing rib is connected to the second reinforcing rib, and an extending direction of the first reinforcing rib forms an angle with an extending direction of the second reinforcing rib.

5. The electric vehicle rear armrest according to claim 4, wherein the first reinforcing rib is provided in plurality and spaced apart in a width direction of a frame of the electric vehicle, and the second reinforcing rib is provided in plurality and spaced apart in a length direction of the frame.

6. The electric vehicle rear armrest according to claim 1, wherein the reinforcing ribs further comprise a plurality of third reinforcing ribs provided on the connecting portion, and the plurality of third reinforcing ribs are spaced apart in a width direction of the frame of the electric vehicle.

7. The electric vehicle rear armrest according to claim 1, further comprising an adapter portion, wherein the adapter portion is a bent plate, the adapter portion has a first end and a second end opposite to each other in a bending direction, the first end of the adapter portion is connected to the connecting portion, and the second end of the adapter portion is connected to the lifting portion.

8. The electric vehicle rear armrest according to claim 7, wherein the reinforcing ribs further comprise a plurality of fourth reinforcing ribs arranged on the adapter portion, and the plurality of fourth reinforcing ribs are distributed at intervals along the width direction of the frame of the electric vehicle.

9. The electric vehicle rear armrest according to claim 1, wherein the wall thickness of the connecting portion and the pulling portion is 2.5mm to 3.5 mm.

10. The electric vehicle rear armrest according to claim 1, wherein the frame includes a rear cross member, one of the rear cross member and the connecting portion is provided with a connecting hole, the other of the rear cross member and the connecting portion is provided with a threaded hole, and the connecting portion is connected to the rear cross member by a bolt that passes through the connecting hole and is threadedly engaged with the threaded hole.

11. The electric vehicle rear armrest according to claim 10, wherein the attachment hole is plural, the plural attachment holes are spaced apart in a left-right direction, and an axial direction of the plural attachment holes is the left-right direction.

12. An electric vehicle comprising a frame and the electric vehicle rear armrest according to any one of claims 1-11, wherein the connecting portion of the electric vehicle rear armrest is connected to a rear cross member of the frame.