CN211766059U

CN211766059U - Novel electric vehicle

Info

Publication number: CN211766059U
Application number: CN201922420579.8U
Authority: CN
Inventors: 于洪涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-27
Anticipated expiration: 2029-12-26

Abstract

The utility model particularly relates to a novel electric vehicle, the technical scheme of adoption is: the electric vehicle battery box is characterized by comprising a battery box and a main beam, wherein the head end of the main beam is connected with a head pipe of an electric vehicle, the tail end of the main beam is connected with a saddle or a rear clothes rack of the electric vehicle, the battery box is arranged in the middle of the main beam, and the weight of the battery box is borne by the main beam. The main beam with high strength replaces the structure of the main body part of the original frame of the electric vehicle, and the battery box is completely supported through the main beam, so that the weight of the vehicle body is greatly reduced under the conditions of ensuring the vehicle width limit and the vehicle performance, a new national standard can be met when a lead-acid battery of 48V20AH is loaded, and the cruising ability is improved.

Description

Novel electric vehicle

Technical Field

The utility model relates to an electric motor car technical field specifically is a novel electric motor car.

Background

The new national standard issuing execution strictly limits the weight of an electric bicycle (electric vehicle for short), wherein the requirements on the weight and the width of the whole bicycle are that the self weight of the whole bicycle body is less than or equal to 55 kg, and the width of the whole bicycle body is less than or equal to 45 cm. Because the original electric vehicle is limited by a plurality of reasons, the lead-acid battery can only be used with the model of 48V12AH, if the lead-acid battery is used with the model of 48V20AH, the lead-acid battery exceeds the standard, and the original overweight electric vehicle becomes a nonstandard vehicle; if the requirement of a new national standard is met, a small-capacity battery is needed, but the problem of too short endurance mileage caused by small battery capacity occurs.

At present, if the requirement of a new national standard is met and a 48V20AH lead-acid battery is loaded on an electric vehicle to improve the endurance mileage, the weight of a vehicle body (mainly a frame) needs to be reduced to the maximum extent on the premise of ensuring the overall strength and performance of the electric vehicle, but the existing electric vehicle can not meet the requirement.

Therefore, in order to solve the problem that the existing electric vehicle cannot adapt to the new national standard when a lead-acid battery of 48V20AH is loaded due to heavy vehicle body weight, the development of a novel electric vehicle with a high-strength and light vehicle body (mainly a frame) structure is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to current electric motor car because automobile body weight can't adapt to the new national standard's problem when loading 48V20 AH's lead acid battery greatly, provide a novel electric motor car, can be under the prerequisite of guaranteeing electric motor car bulk strength and performance, furthest reduces frame weight.

The adopted technical scheme is as follows: the utility model provides a novel electric motor car, includes battery case and a girder, the head pipe of electric motor car is connected to the head end of girder, the trailing end connection electric motor car's of girder saddle or back clothes hanger, the battery case is installed the middle part of girder, just the weight of battery case by the girder undertakes. The main beam with high strength replaces the structure of the main body part of the original frame of the electric vehicle, and the battery box is completely supported through the main beam, so that the weight of the vehicle body is greatly reduced under the conditions of ensuring the vehicle width limit and the vehicle performance, a new national standard can be met when a lead-acid battery of 48V20AH is loaded, and the cruising ability is improved.

Further, the girder is fashioned tubular product for integrative buckling, the girder includes preceding linkage segment, middle support section and back linkage segment, the battery case is installed on the middle support section. The main beam adopts an integrated pipe which extends from the head pipe to the saddle or the rear clothes rack, and the whole pipe is uninterrupted in the front and the rear, so that the problem of overall strength is fundamentally solved, the original mode of connecting all parts in a welding manner is changed, the strength is increased, and the weight is reduced.

Furthermore, the front connecting section is fixedly connected with a head pipe of the electric vehicle, the rear connecting section is connected with a saddle of the electric vehicle, the middle supporting section is lower than the front connecting section and the rear connecting section, an included angle between the front connecting section and the middle supporting section is greater than or equal to 90 degrees and less than 180 degrees, and an included angle between the rear connecting section and the middle supporting section is greater than or equal to 90 degrees and less than 180 degrees. The scheme of when the tail end of girder is connected with the saddle has been injectd, through the setting of the department angle of bending to satisfy the intensity that the girder was bent, make its non-deformable under the condition of front end and rear end atress, satisfy the atress demand, further improve the bulk strength of girder.

Furthermore, the front connecting section is fixedly connected with a head pipe of the electric vehicle, the rear connecting section is connected with a rear clothes rack of the electric vehicle, the middle supporting section is lower than the front connecting section, an included angle between the front connecting section and the middle supporting section is more than or equal to 90 degrees and less than 180 degrees, and an included angle between the rear connecting section and the middle supporting section is more than or equal to 90 degrees and less than or equal to 180 degrees. The scheme of the tail end of the main beam when being connected with the rear clothes rack is limited, and the strength of the bending part of the main beam is met by setting the angle of the bending part, so that the main beam is not easy to deform under the conditions of front end stress and rear end stress, the stress requirement is met, and the overall strength of the main beam is further improved.

Further, the battery case includes a first containing portion and a second containing portion, the first containing portion is located on the left side of the main beam, and the second containing portion is located on the right side of the main beam. The battery locating position becomes and vertically puts side by side in girder both sides, and two sets of respectively are placed to both sides, have changed the original four group and have arranged the mode side by side, make whole roof beam run through the front and back to become possible, and the mode that the both sides were arranged does not exceed national standard width, can satisfy the national standard requirement.

Further, the battery box is detachably fixed on the main beam, and the first containing portion and the second containing portion are symmetrically arranged with respect to the main beam. When the battery is placed in the battery, the stress is balanced, and the main beam is prevented from generating distortion in the lateral direction; the battery case can be dismantled and be convenient for change the maintenance.

Furthermore, the battery box is provided with a groove matched with the main beam, and the battery box is erected on the main beam through the groove and is fixed through a connecting piece. The battery box is conveniently matched and connected with the main beam through the grooves.

Further, the part of the main beam for mounting the battery box is a horizontal part. The horizontal arrangement is in order to guarantee that relative slip or aversion are difficult for producing in the front and back direction, guarantees the fixed stability of battery case.

Furthermore, a reinforcing pipe is fixed between the front connecting section and the rear connecting section. The reinforcing pipe plays a role of a reinforcing rib, and the connection between the front connecting section and the rear connecting section is reinforced, so that the front connecting section and the rear connecting section are not easy to deform.

The utility model discloses an adopt above-mentioned technical scheme, have following advantage:

1. through using the structure that an integrated into one piece fashioned girder replaces original electric motor car frame main part, extend to saddle or back clothes hanger from the head pipe always, because the whole root tubular product that is incessant around, the bulk strength problem is solved to fundamentally, changed originally with each position of welded connection, intensity has been increased, weight is reduced, and support the battery case completely through this girder, guarantee under the circumstances of car width limit and automobile body performance, very big reduction automobile body weight, can satisfy new national standard when loading 48V20 AH's lead-acid battery, realize the improvement of duration.

2. Through set up two battery portions that hold for the girder symmetry on with the battery case, battery locating place becomes and vertically puts side by side in girder both sides, and both sides respectively place two sets ofly, have changed the original four group and have arranged the mode side by side, make whole roof beam run through the front and back and become possible, and the mode that both sides were arranged does not exceed the national standard width, can satisfy the national standard requirement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic view of the battery pack of fig. 1 after the battery pack is mounted.

Fig. 3 is another view different from the structure of the cartridge of fig. 2.

Fig. 4 is a structural schematic view of the main beam in fig. 1.

Fig. 5 is another view different from the main beam of fig. 4.

Fig. 6 is a schematic structural view of one of the main beams of embodiment 2.

Fig. 7 is a schematic structural view of embodiment 3.

In the figure, 1, main beam, 2, head pipe, 3, saddle, 4, back clothes hanger, 5, pedal, 7, reinforced pipe, 11, preceding linkage segment, 12, middle support section, 13, back linkage segment, 61, first portion that holds, 62, second portion that holds, 63, slot.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Detailed description of the preferred embodiment 1

As shown in fig. 1-5, a novel electric vehicle includes a battery box and a main beam 1, the main beam 1 is a pipe integrally formed by bending, and extends from the head pipe 2 to the saddle 3, the head end of the main beam 1 is fixedly connected with the head pipe 2 of the electric vehicle, the tail end of the main beam 1 is fixedly connected with the saddle 3 of the electric vehicle (here, the connection can also be indirect), the battery box is installed in the middle of the main beam 1, and the weight of the battery box is completely borne by the main beam 1. The whole uninterrupted pipe is arranged in the front and the back, so that the problem of overall strength is fundamentally solved, the original situation that all parts are connected in a welding mode is changed, the strength is increased, the weight is reduced, the structure of the main body part of the original electric vehicle frame is replaced by the high-strength main beam 1, the battery box is completely supported by the main beam 1, the vehicle width limit and the vehicle body performance are guaranteed, the vehicle body weight is greatly reduced, a new national standard can be met when a 48V20AH lead-acid battery is loaded, and the cruising ability is improved. It should be noted that the "middle part" of the main beam 1 refers to a part between the front end and the tail end of the main beam 1, which is lower than the front end and the rear end thereof, and is located at the bottom of the main beam 1, relatively speaking, the front part of the rear clothes hanger 4 and the saddle 3, and the rear part of the head tube 2, which is a longer part, and can place the battery box in the longitudinal direction thereof and enable the batteries to be arranged longitudinally, and also can be understood as a part that the feet of a person adapt to after the person rides on the electric vehicle, and can place the feet on the main beam 1 provided with the battery box. This allows for the reservation of sufficient space to load a large capacity lead acid battery of 48V20 AH.

Specifically, according to the position and structure of each part of the main beam 1, the main beam 1 can be divided into a front connecting section 11, a middle supporting section 12 and a rear connecting section 13, the battery box is installed on the middle supporting section 12, wherein the front connecting section 11 is fixedly connected with a head pipe 2 of the electric vehicle, the rear connecting section 13 is connected with a saddle 3 of the electric vehicle, the middle supporting section 12 is lower than the front connecting section 11 and the rear connecting section 13, an included angle between the front connecting section 11 and the middle supporting section 12 is more than or equal to 90 degrees and less than 180 degrees, an included angle between the rear connecting section 13 and the middle supporting section 12 is more than or equal to 90 degrees and less than 180 degrees, the included angles of the main beams 1 with different structures can be seen in figures 4 and 5, a scheme when the tail end of the main beam 1 is connected with the saddle 3 is defined, the strength of the bending position of the main beam 1 is satisfied through the arrangement of the bending angle, so that the main beam is not easy, satisfy the atress demand, further improve the bulk strength of girder 1.

Further improvement scheme still, the battery case includes that first portion 61 and the second of holding holds portion 62, and first portion 61 that holds is located the left side of girder 1, and the second holds the right side that portion 62 is located girder 1, and battery case detachably fixes on girder 1, just first portion 61 that holds with the second holds portion 62 about girder 1 symmetry sets up, and battery locating place becomes in 1 both sides of girder vertical putting side by side, and two sets of respectively are placed to both sides, has changed four original groups of discharge pattern side by side, makes the whole roof beam possible around running through, and the mode that the both sides were discharged does not exceed national standard width, can satisfy the national standard requirement. In addition, the battery box is provided with a groove 63 which is matched with the main beam 1, the groove 63 can be positioned at the upper part of the middle position of the battery box (as shown in fig. 2) or the lower part of the middle position of the battery box (as shown in fig. 3), the battery box is arranged on the main beam 1 through the groove 63 and is fixed through a connecting piece, and the connecting piece is a bolt, a screw, a clamping block and the like.

In addition, in order to ensure that the battery box is not easy to slide or shift in the front-back direction and keep the stability of the fixation of the battery box, the part of the main beam 1 where the battery box is installed is a horizontal part, namely, the middle support section 12 of the main beam 1 is horizontal.

Specific example 2

This embodiment differs from embodiment 1 in that: the front connecting section 11 is fixedly connected with a head pipe 2 of the electric vehicle, the rear connecting section 13 is connected with a rear clothes rack 4 of the electric vehicle, the middle supporting section 12 is lower than the front connecting section 11, the included angle between the front connecting section 11 and the middle supporting section 12 is more than or equal to 90 degrees and less than 180 degrees, the included angle between the rear connecting section 13 and the middle supporting section 12 is more than or equal to 90 degrees and less than or equal to 180 degrees, wherein when the b is 180 degrees, as shown in figure 6, the part of the main beam 1 extending to the rear clothes rack 4 can be horizontal. The scheme of a when the tail end of the main beam 1 is connected with the rear clothes rack 4 is limited, and the strength of the bending part of the main beam 1 is met by the arrangement of the bending angle, so that the main beam is not easy to deform under the conditions of front end stress and rear end stress, the stress requirement is met, and the overall strength of the main beam 1 is further improved. In this embodiment, the mounting may be secured to the main beam 1 by a connection.

Specifically, example 3

In this embodiment, on the basis of

embodiment

1 or 2, in order to strengthen the connection between the front connecting section 11 and the rear connecting section 13 and make the connection difficult to deform, the reinforcing pipe 7 is fixed between the front connecting section 11 and the rear connecting section 13, the structure of the main beam 1 is further strengthened, and the fixing position of the reinforcing pipe 7 can be seen in fig. 7.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a novel electric motor car, its characterized in that, includes battery case and a girder (1), the head pipe (2) of electric motor car are connected to the head end of girder (1), saddle (3) or back clothes hanger (4) of trailing end connection electric motor car of girder (1), the battery case is installed the middle part of girder (1), just the weight of battery case by girder (1) undertakes.

2. The novel electric vehicle as claimed in claim 1, wherein the main beam (1) is a pipe formed by bending and forming integrally, the main beam (1) comprises a front connecting section (11), a middle supporting section (12) and a rear connecting section (13), and the battery box is mounted on the middle supporting section (12).

3. The novel electric vehicle according to claim 2, characterized in that the front connection section (11) is fixedly connected with the head pipe (2) of the electric vehicle, the rear connection section (13) is connected with the saddle (3) of the electric vehicle, the middle support section (12) is lower than the front connection section (11) and the rear connection section (13), the included angle between the front connection section (11) and the middle support section (12) is a, and 90 ° < a < 180 °, and the included angle between the rear connection section (13) and the middle support section (12) is b, and 90 ° < b < 180 °.

4. The novel electric vehicle as claimed in claim 2, characterized in that the front connection section (11) is fixedly connected with a head pipe (2) of the electric vehicle, the rear connection section (13) is connected with a rear hanger (4) of the electric vehicle, the middle support section (12) is lower than the front connection section (11), an included angle between the front connection section (11) and the middle support section (12) is a, and a is greater than or equal to 90 degrees and less than or equal to 180 degrees, an included angle between the rear connection section (13) and the middle support section (12) is b, and b is greater than or equal to 90 degrees and less than or equal to 180 degrees.

5. The novel electric vehicle according to claim 1, characterized in that the battery compartment comprises a first containing part (61) and a second containing part (62), the first containing part (61) being located on the left side of the main beam (1), the second containing part (62) being located on the right side of the main beam (1).

6. The novel electric vehicle according to claim 5, wherein the battery box is detachably fixed to a main beam (1), and the first containing portion (61) and the second containing portion (62) are symmetrically arranged with respect to the main beam (1).

7. The novel electric vehicle as claimed in claim 6, wherein the battery box is provided with a groove (63) matched with the main beam (1), and the battery box is erected on the main beam (1) through the groove (63) and is fixed through a connecting piece.

8. The new electric vehicle according to claim 7, characterized in that the part of the main beam (1) where the battery box is mounted is a horizontal part.

9. The new electric vehicle according to claim 2, characterized in that between the front connection section (11) and the rear connection section (13) a reinforcement tube (7) is fixed.