Pure electric bus

Abstract

The utility model relates to a pure electric motor coach which comprises a chassis and a coach body, the chassis comprises a coach frame, a rear electric drive axle is further installed on the chassis, a rear luggage compartment is arranged on the coach body and located on the rear side of the rear electric drive axle at the rear end of the coach frame, and the horizontal distance between a front wall plate of the rear luggage compartment and the center of a rear wheel ranges from 400 mm to 800 mm. The vertical distance between a bottom wall plate of the rear luggage compartment and the ground ranges from 250 mm to 600 mm, the top of the rear luggage compartment is mainly defined by pedals of the last row of seats, a mounting plate of the last row of seats and a step vertical plate between the pedals and the mounting plate of the last row of seats, and therefore the volume of the luggage compartment of the bus is increased, and the problems that the volume of the rear luggage compartment of the pure electric bus is too small, and the size of the rear luggage compartment is too large are solved. And luggage articles of passengers are not enough to be placed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of passenger cars, especially to a pure electric passenger car. BACKGROUND

[0002] At present, the tourism market is fully recovering, and the fixed tour and small group tour are showing a growth trend, and the comfort requirement of the vehicle is improved, the existing pure electric passenger car luggage compartment is small or has no luggage compartment, which cannot meet the demand of carrying luggage.

[0003] In the prior art, the Chinese utility model patent with the authorization announcement number CN205469326U and the authorization announcement date of 2016.08.17 discloses a pure electric passenger car arrangement structure, the pure electric passenger car arrangement structure of the utility model comprises a passenger area arranged above the floor of the vehicle and a function area arranged below the floor, the function area is sequentially arranged from front to back as a first luggage compartment and a high-voltage equipment compartment arranged between the front axle and the rear axle of the vehicle, and a driving system compartment and a second luggage compartment arranged between the rear axle of the vehicle and the tail, by arranging the first luggage compartment on both sides of the vehicle and arranging the second luggage compartment at the tail, the overall volume of the luggage compartment of the vehicle is increased.

[0004] However, the power battery of the pure electric passenger car of the utility model is arranged at the top of the car compartment, and the floor is high, the center of gravity of the vehicle is high, and the driving stability is not good, so it is necessary to reduce the floor height of the vehicle to reduce the center of the vehicle. The structure of the existing pure electric passenger car after reducing the floor is similar to the engine front passenger car tail cargo compartment structure disclosed in the Chinese utility model patent with the authorization announcement number CN207631137U and the authorization announcement date of 2018.07.20, and the power battery is arranged at the middle position of the vehicle frame, which further improves the driving stability of the vehicle.

[0005] Such arrangement will result in that the luggage compartment cannot be arranged on both sides of the vehicle, and only the space below the mounting plate of the rear seat of the vehicle can be used as the luggage compartment, but for the pure electric passenger car, the driving system compartment is arranged between the luggage compartment at the rear axle and the tail of the vehicle, which will result in that the overall luggage compartment volume of the vehicle is too small to place the luggage of the passengers. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a pure electric passenger car, which is used to solve the problem of the small luggage compartment volume of the pure electric passenger car in the prior art, which is not enough to place the luggage of the passengers.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme.

[0008] A pure electric bus comprises a chassis and a body, the chassis comprises a frame, and a rear electric drive axle is further installed on the chassis; a rear luggage compartment is arranged on the body, and the rear luggage compartment is located at the rear side of the rear electric drive axle at the rear end of the frame; the horizontal distance between the front wall plate of the rear luggage compartment and the center of the rear wheel is between 400mm and 800mm; the vertical distance between the bottom wall plate of the rear luggage compartment and the ground is between 250mm and 600mm; and the top of the rear luggage compartment is mainly enclosed by the footboard of the last row of seats, the last row of seat mounting plates and the vertical plate between the two.

[0009] Further, the horizontal distance between the front wall plate of the rear luggage compartment and the center of the rear wheel of the vehicle is between 500mm and 650mm.

[0010] Further, the horizontal distance between the front wall plate of the rear luggage compartment and the center of the rear wheel of the vehicle is 620mm.

[0011] Further, the front wall plate of the rear luggage compartment is arranged next to the rear wheel cover.

[0012] Further, the vertical distance between the bottom wall plate of the rear luggage compartment and the ground is between 350mm and 400mm.

[0013] Further, the bottom wall plate of the rear luggage compartment is consistent with the skirt height of the bottom of the vehicle side wall.

[0014] Further, the rear electric drive axle is an integrated electric drive axle which integrally connects the driving motor and the drive axle.

[0015] Further, the suspension between the electric drive axle and the chassis is a composite suspension which is composed of a leaf spring and an air bag, and the air bag is located at the rear side; or the suspension between the electric drive axle and the chassis is an air bag suspension.

[0016] Further, the door of the rear luggage compartment comprises a door body and a rear bumper fixedly connected to the lower side of the door body.

[0017] Further, the door of the rear luggage compartment is arranged as an up-and-down translation type door.

[0018] Further, the bottom edge of the hatch of the rear luggage compartment is sealingly matched with the rear bumper, the rear side of the backrest of the last row of seats is provided with a slanted plate part which is inclined from front to back and from bottom to top, and the top edge of the hatch of the rear luggage compartment is located at the top of the slanted plate part.

[0019] The utility model discloses the following beneficial effects: the utility model improves and provides a pure electric bus, including chassis and car body, chassis includes frame, still install rear electric drive axle on the chassis, be provided with rear luggage compartment on the car body, rear luggage compartment is at the rear side of rear electric drive axle of frame rear end, the horizontal distance between the front wallboard of rear luggage compartment and rear wheel center is between 400mm-800mm, the vertical distance between the bottom wallboard of rear luggage compartment and ground is between 250mm-600mm, the top of rear luggage compartment is mainly surrounded through the last row seat footboard, last row seat mounting panel and the step vertical board between the both, thus increase the luggage compartment volume of vehicle, to solve the problem that the luggage compartment volume of pure electric bus is too small and is not enough to place the luggage article of passenger. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the chassis and rear luggage compartment side view of a embodiment of the pure electric bus of the utility model;

[0021] Figure 2 It is the integrated electric drive axle shaft view of a embodiment of the pure electric bus of the utility model;

[0022] Figure 3 It is the composite suspension axle shaft view of a embodiment of the pure electric bus of the utility model;

[0023] Figure 4 It is the rear luggage compartment axle shaft view of a embodiment of the pure electric bus of the utility model;

[0024] Figure 5 It is the rear luggage compartment structure side view of a embodiment of the pure electric bus of the utility model;

[0025] Figure 6 It is the rear luggage compartment door schematic view of a embodiment of the pure electric bus of the utility model;

[0026] Figure 7 It is the schematic view of the rear luggage compartment body after the rear luggage compartment door of a embodiment of the pure electric bus of the utility model opens.

[0027] In the drawing: 1, frame;2, power battery;3, composite suspension;31, air bag;32, leaf spring;4, integrated electric drive axle;41, drive axle;42, drive motor;5, floor framework;51, inclined plate;52, last row seat mounting panel;53, last row seat footboard;54, step vertical board;6, rear luggage compartment;61, rear luggage compartment front wallboard;62, rear luggage compartment bottom wallboard;7, rear luggage compartment door;71, rear bumper. DETAILED DESCRIPTION

[0028] The features and performance of the present application will be further described in detail below in conjunction with embodiments.

[0029] The utility model provides a kind of pure electric bus, including chassis and car body, chassis includes frame, rear electric drive axle is also installed on chassis, rear luggage compartment is provided on car body, rear luggage compartment is at the rear side of rear electric drive axle of frame rear end, by increasing the front-rear distance and the up-down distance of rear luggage compartment, to increase the volume of rear luggage compartment, to solve the problem that the volume of rear luggage compartment of pure electric bus is too small, not enough to place the luggage articles of passenger.

[0030] Based on the above concept, the present application provides a variety of different embodiments of pure electric buses to illustrate.

[0031] In a basic embodiment, as shown in Figure 1 , 5 The utility model provides a kind of pure electric bus, including chassis and car body, chassis includes frame, rear electric drive axle is also installed on chassis, rear luggage compartment is provided on car body, rear luggage compartment is at the rear side of rear electric drive axle of frame rear end, by increasing the front-rear distance and the up-down distance of rear luggage compartment, to increase the volume of rear luggage compartment, to solve the problem that the volume of rear luggage compartment of pure electric bus is too small, not enough to place the luggage articles of passenger.

[0032] The horizontal distance between rear luggage compartment front wallboard 61 and rear wheel center can be set as 400mm, 420mm, 450mm, 460mm, 480mm, 490mm, 660mm, 680mm, 700mm, 730mm, 750mm, 770mm, 790mm, 800mm, the vertical distance between rear luggage compartment bottom wallboard 62 and ground can be set as 250mm, 270mm, 280mm, 300mm, 320mm, 340mm, 410mm, 430mm, 450mm, 480mm, 500mm, 530mm, 550mm, 560mm, 580mm, 600mm.

[0033] In the above embodiment, the distance between rear luggage compartment front wallboard 61 and rear wheel center needs to ensure that rear luggage compartment 6 cannot affect the normal driving of vehicle;At the same time, the height of rear luggage compartment bottom wallboard 62 needs to ensure that rear luggage compartment 6 cannot affect the passability of vehicle.

[0034] In order to increase the space of the rear luggage compartment as much as possible, taking into account the layout of other parts of the vehicle and the passability, the horizontal distance between the rear luggage compartment front wall plate 61 and the center of the rear wheel of the vehicle is between 500mm and 650mm, the horizontal distance between the rear luggage compartment front wall plate 61 and the center of the rear wheel of the vehicle can be 500mm, 520mm, 550mm, 570mm, 580mm, 595mm, 600mm, 610mm, 620mm, 630mm, 640mm, 650mm, the vertical distance between the rear luggage compartment bottom wall plate 62 and the ground is between 350mm and 400mm, and the vertical distance between the rear luggage compartment bottom wall plate 62 and the ground can be 350mm, 360mm, 370mm, 380mm, 390mm, 400mm, so as to ensure that the rear luggage compartment 6 does not affect the normal driving and passability of the vehicle.

[0035] Preferably, as shown in Figure 1 , the horizontal distance between the rear luggage compartment front wall plate 61 and the center of the rear wheel is 620mm, that is, the rear luggage compartment front wall plate 61 is arranged next to the rear wheel cover, and when the vehicle is on flat ground, the height of the rear luggage compartment bottom wall plate 62 is consistent with the height of the skirt of the side wall of the vehicle, and the height of the skirt from the ground is 380mm. In this way, the volume of the rear luggage compartment 6 can be maximized, and the rear luggage compartment 6 will not affect the driving and passability of the vehicle.

[0036] On the basis of the above embodiment, the rear electric drive axle can be rearranged to achieve the size of the rear luggage compartment 6 to reach the range in the above embodiment. The drive motor 42 is arranged in front of the rear wheel, the drive motor 42 is connected with the reducer, and then the power is transmitted to the drive axle 41 through the transmission shaft. In this way, the volume of the rear electric drive axle occupying the tail part of the vehicle is reduced to increase the volume of the luggage compartment. In a preferred embodiment, as shown in Figures 1-2 , the rear electric drive axle is arranged as an integrated electric drive axle 4 in which the drive motor 42 is fixedly connected with the drive axle 41 to form an integrated structure. In this way, the size of the rear luggage compartment 6 can also reach the range in the above embodiment. At the same time, in this way, a part of the power battery 2 can be placed in front of the rear wheel, so as to improve the endurance of the pure electric bus.

[0037] On the basis of the above embodiment, an air bag suspension can be used as the suspension of the vehicle to reduce the volume of the suspension occupying the rear side of the rear wheel, so that the size of the rear luggage compartment 6 reaches the range in the above embodiment, and the purpose of increasing the volume of the rear luggage compartment is achieved. In a preferred embodiment, as shown in Figure 1 , 3As shown, the composite suspension 3 composed of the plate spring 32 and the air bag 31 is used as the suspension of the vehicle, and the suspension part at the rear side of the rear wheel of the vehicle is the air bag 31, so that the size of the rear luggage compartment 6 can also reach the range in the above-mentioned embodiment, the purpose of increasing the volume of the rear luggage compartment 6 is achieved, and the cost of the composite suspension 3 is lower.

[0038] On the basis of the above-mentioned embodiment, the rear bumper 71 can be independently arranged below the rear luggage compartment door 7. In a preferred embodiment, as shown in Figures 4-6 The rear luggage compartment door 7 includes the door body and the rear bumper 71 fixedly connected to the lower side of the door body, so that the hatch of the rear luggage compartment 6 can be increased, the luggage can be easily taken out and put in, and it is not difficult to take out and put in large luggage.

[0039] The floor framework 5 can be arranged as a flat plate at the backrest of the last row of seats, and the top of the hatch of the rear luggage compartment 6 is the flat plate arranged at the backrest of the last row of seats. Preferably, as shown in Figure 4 5 In order to further increase the hatch of the rear luggage compartment 6, the rear side of the backrest of the last row of seats is provided with an inclined plate 51 inclined from front to rear and from bottom to top, the top edge of the hatch of the rear luggage compartment 6 is located at the top of the inclined plate 51, and the bottom edge of the hatch of the rear luggage compartment 6 is sealingly matched with the connection part of the rear bumper 71.

[0040] On the basis of the above-mentioned embodiment, the rear luggage compartment door 7 can be arranged as an upward-opening door. In a preferred embodiment, the rear luggage compartment door 7 is a door that is opened by translating upward and downward, so that the convenience of taking out and putting in the luggage is further improved.

[0041] The pure electric bus of the utility model, through setting up the integrated electric drive axle 4 that drive motor 42 and drive axle 41 are fixedly connected into integral structure with rear electric drive axle, suspension uses composite suspension 3, so that the suspension part at the rear side of the rear wheel of the vehicle is air bag 31, so that the rear luggage compartment 6 reaches the maximum volume, and the rear luggage compartment 6 will not affect the normal driving and passability of the vehicle, the floor of the vehicle is lowered and the power battery 2 is arranged at the middle part of the frame 1, so that the center of the whole vehicle is lowered, the stability of the vehicle driving is improved, at the same time, the rear luggage compartment door 7 is arranged as a door that is opened by translating upward and downward, and the bumper 71 and the luggage compartment door 7 are integrated, so that the convenience of taking out and putting in the luggage can be greatly improved.

[0042] The above-mentioned is only the preferred embodiment of the utility model, and is not used to limit the utility model, the patent protection scope of the utility model is accurate with claim, and the equivalent structural changes made with the contents of the specification and drawings of the utility model should also be included in the protection scope of the utility model.​

Claims

1. A pure electric bus, comprising a chassis and a vehicle body, the chassis comprising a vehicle frame, a rear electric drive axle being further mounted on the chassis, a rear luggage compartment being provided on the vehicle body and located at the rear side of the rear electric drive axle at the rear end of the vehicle frame, characterized in that, The horizontal distance between the front wall plate of the rear luggage compartment and the center of the rear wheel is between 400 mm and 800 mm, the vertical distance between the bottom wall plate of the rear luggage compartment and the ground is between 250 mm and 600 mm, and the top of the rear luggage compartment is mainly surrounded by the footboard of the last row of seats, the mounting plate of the last row of seats, and the vertical plate between the two.

2. The pure electric bus of claim 1, wherein, The horizontal distance between the front wall plate of the rear luggage compartment and the center of the rear wheel is between 500 mm and 650 mm.

3. The pure electric bus of claim 2, wherein, The horizontal distance between the front wall plate of the rear luggage compartment and the center of the rear wheel is 620 mm.

4. The pure electric bus of claim 3, wherein, The front wall plate of the rear luggage compartment is arranged next to the rear wheel cover.

5. The pure electric bus of claim 1, wherein, The vertical distance between the bottom wall plate of the rear luggage compartment and the ground is between 350 mm and 400 mm.

6. The pure electric bus of claim 5, wherein, The bottom wall plate of the rear luggage compartment is flush with the bottom skirt of the side wall of the vehicle.

7. The pure electric bus according to any one of claims 1-6, characterized in that, The rear electric drive axle is an integrated electric drive axle that integrally connects the drive motor and the drive axle.

8. The pure electric bus of claim 7, wherein, The suspension between the electric drive axle and the chassis is a composite suspension composed of a leaf spring and an air bag, and the air bag of the composite suspension is located at the rear side; or the suspension between the electric drive axle and the chassis is an air bag suspension.

9. The pure electric bus according to any one of claims 1-6, characterized in that, The door of the rear luggage compartment includes a door body and a rear bumper fixedly connected to the lower side of the door body.

10. The pure electric bus of claim 9, wherein, The door of the rear luggage compartment is arranged as an up-and-down translation type door.

11. The pure electric bus of claim 10, wherein, The bottom edge of the hatch of the rear luggage compartment is sealingly connected to the rear bumper, the rear side of the backrest of the last row of seats is provided with a sloping plate portion that slopes downward from front to back and upward, and the top edge of the hatch of the rear luggage compartment is located at the top of the sloping plate portion.

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