CN118182091A - Door, driver's cabin and vehicle - Google Patents

Abstract

The application provides a vehicle door, a cab and a vehicle, and belongs to the technical field of vehicles, wherein the vehicle door comprises a rotating part, a first plate body part, a second plate body part and a third plate body part; the first plate body comprises a first end and a second end which are oppositely arranged, and the first end is rotationally connected with the rotating part; the second plate body is an arc-shaped plate body with a first preset radian rad ₁ on the horizontal plane, and one end of the second plate body is fixedly connected with the second end; the third plate body is fixedly connected with one end, far away from the first plate body, of the second plate body. The first plate body part, the second plate body part and the third plate body part form the arc plate body, when the door is opened, the sectional area of the door on the second vertical face is far smaller than that of the door in the prior art, and if the door provided by the embodiment of the application is adopted in a vehicle, the occurrence probability of door opening and killing accidents can be effectively reduced, and the safety is improved.

Description

Door, driver's cabin and vehicle

Technical Field

The application relates to the technical field of vehicles, in particular to a vehicle door, a cab and a vehicle.

Background

Trucks originated from the development of automotive technology at the end of the 19 th century. The original truck was driven by a steamer for transporting heavy goods. By the beginning of the 20 th century, the fabrication technology of trucks has been rapidly developed with the invention of internal combustion engines. Since then, trucks have increasingly taken an important role in the transportation of goods and have evolved and perfected as technology and design advances.

The main structure of the truck includes the frame, the power system, the cab and the freight hopper, etc., and the truck door is an important component of the truck cab, and its design, manufacture and material selection have a critical impact on the overall performance, safety and service life of the vehicle. With advances in technology and advances in manufacturing, truck door technology is also continually being innovated and upgraded. But in the prior art, the truck door is arranged on the side surface of the cab, when the truck door is opened, the cross section of the truck door on the second vertical surface (the second vertical surface is a vertical plane perpendicular to the advancing direction of the truck) is large, and the truck door is easy to rub and scratch with a rear vehicle or a pedestrian, so that great potential safety hazards are caused.

Disclosure of Invention

In view of the technical problems in the background art, the application provides a vehicle door, a cab and a vehicle, and compared with the vehicle door in the prior art, the vehicle door provided by the embodiment of the application has smaller sectional area on the second vertical surface when the vehicle door is opened, so that the probability of friction and scratch with a rear vehicle or a pedestrian can be reduced, the safety performance is improved, and the potential safety hazard is reduced.

In a first aspect, an embodiment of the present application provides a vehicle door, including a rotating portion, a first plate body portion, a second plate body portion, and a third plate body portion; the first plate body comprises a first end and a second end which are oppositely arranged, and the first end is fixedly connected with the rotating part; the second plate body is an arc-shaped plate body with a first preset radian rad ₁ on a horizontal plane, and one end of the second plate body is fixedly connected with the second end; the third plate body is fixedly connected with one end, far away from the first plate body, of the second plate body.

In the technical scheme of the embodiment of the application, the first plate body part, the second plate body part and the third plate body part form the arc plate body, when the door is opened, the sectional area of the door on the second vertical face is far smaller than that of the door in the prior art, and if the door provided by the embodiment of the application is adopted by a vehicle, the occurrence probability of door opening and killing accidents can be effectively reduced, and the safety is improved.

In some embodiments, a first viewing window is formed on the first plate body, and a first baffle made of transparent material is arranged at the first viewing window; and/or; a second observation window is formed in the second plate body, and a second baffle made of transparent materials is arranged at the second observation window; and/or; a third observation window is formed in the third plate body, and a third baffle made of transparent materials is arranged at the third observation window.

In the embodiment, by arranging the first observation window, the second observation window and the third observation window, a wider view field can be provided for personnel in a carriage, so that more road surface information can be obtained, the road condition judgment accuracy is improved, and the driving safety is further improved.

In some embodiments, the first plate body has a second predetermined arc rad ₂ in cross section on a first elevation, the first elevation being a plane perpendicular to the horizontal plane and parallel to the direction of vehicle travel.

In this embodiment, set to the arc that has certain radian through first plate body portion, the arc of first plate body portion is protruding crooked to the vehicle direction of advancing, can improve the intensity of first plate body portion, promotes first plate body portion collision deformability, improves the security performance.

In a second aspect, embodiments of the present application provide a cab including a main body frame, a primary platform, a secondary platform, and a tertiary platform. The main body frame is provided with a first opening and a second opening, the main body frame is provided with a first A column and a second A column, the first opening is formed in the first A column of the main body frame, and the second opening is formed in the second A column of the main body frame; the cab further comprises two doors, namely a first door and a second door, which are respectively arranged on the two doors, wherein the first door is rotatably connected with the main body frame through the rotating part of the first door and can close or open the first opening; the second door is rotatably connected with the main body frame through the rotating part of the second door, and can close or open the second opening.

In the embodiment, through setting up first door, second door, first opening and second opening, make passenger or driver pass in and out the carriage from first opening or second opening department, be favorable to improving the efficiency of getting on and off the bus, improve the convenience.

In some embodiments, two primary platforms are provided, one primary platform being provided at the first opening and the other primary platform being provided at the second opening; the secondary platform is arranged between the two primary platforms, the height of the secondary platform is larger than that of the primary platform, and a driving area is arranged on the secondary platform; the three-stage platform and the two-stage platform are sequentially arranged along the advancing direction of the vehicle.

According to the technical scheme provided by the embodiment of the application, through the arranged primary platform, secondary platform and tertiary platform, personnel can get on or off the vehicle conveniently, the space inside the cab can be optimized, and the space utilization rate and the attractiveness are improved.

In some embodiments, the primary platform has a height from the ground of at least a first preset height; and/or; the height difference between the height of the secondary platform and the height of the primary platform is at least a second preset height; and/or; the height difference between the height of the three-stage platform and the height of the two-stage platform is at least a third preset height.

In this embodiment, through setting up the height of one-level platform from ground for first default height, can increase locomotive invasion angle, be difficult to wearing and tearing chassis, improve cross-country performance to adapt to complicated road conditions.

In some embodiments, the cab further comprises an inboard mirror. The inner side reflector is arranged on one side, close to the main body frame, of the first plate body of the first vehicle door and/or the second vehicle door; and/or the inner side reflector is arranged on one side, close to the main body frame, of the second plate body of the first door and/or the second door; and/or the inner side reflector is arranged on one side, close to the main body frame, of the third plate body of the first door and/or the second door.

In this embodiment, through setting up inboard reflector, behind first door and second door open, the traffic conditions outside the vehicle is convenient for in-vehicle personnel observe, improves the safety of getting on or off the vehicle, avoids back car and the personnel of getting off to take place to scratch to a certain extent.

In some embodiments, the tertiary platform is provided with a rest area, a storage area and a working area to provide a comfortable riding environment for the driver and passengers.

In a third aspect, embodiments of the present application provide a vehicle comprising a frame and a cab as in any of the embodiments above, the cab being disposed on the frame.

In some embodiments, the vehicle further includes a powertrain disposed on the frame, the powertrain including an electric drive subsystem and a brake subsystem.

The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.

Drawings

In order to more clearly illustrate the technical solution of the present application, the following description will briefly explain the drawings used in the present application. It is apparent that the drawings described below are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic view of a vehicle according to an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view of a second view of a first plate portion according to an embodiment of the present application;

Fig. 4 is a schematic structural diagram of a third view of a vehicle according to an embodiment of the present application.

Reference numerals illustrate:

100-a first plate body; 110-a first end; 120-second end; 200-a second plate body; 300-a third plate body; 400-a main body frame; 410-a first stage platform; 420-a secondary platform; 430-three stages of platforms; 440-first opening; 450-a second opening; 500-rotation part.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

When a vehicle gets on or off a person, the person needs to stop at the roadside, when the person opens the vehicle door to get in or out of the vehicle, the person needs to observe whether the vehicle passes through the vehicle door in front of or behind the vehicle, when other vehicles passing through the vehicle door are in a blind area in visual field, the person cannot observe the vehicle, and then a traffic accident of 'killing open door' possibly occurs.

The application provides a vehicle door, a cab and a vehicle, which aim to solve the potential safety hazard that the vehicle is easy to scratch with other vehicles on the road in the process of opening the door.

In a first aspect, as shown in fig. 1 to 3, an embodiment of the present application provides a door for mounting on a vehicle, the door including a rotating portion 500, a first plate body portion 100, a second plate body portion 200, and a third plate body portion 300.

Referring to fig. 1 and 2, fig. 2 is a partially enlarged top view of the door of the present embodiment after opening, and a dashed line in fig. 1 is a track drawn during opening of the door, where the first plate body 100 includes a first end 110 and a second end 120 that are disposed opposite to each other, and the first end 110 is fixedly connected to the rotating portion 500, so that the first plate body 100 can rotate around the rotating portion 500. Illustratively, the first plate body 100 is made of steel.

The second plate body 200 is an arc plate body with a first preset radian rad ₁ on a horizontal plane, one end of the second plate body 200 is fixedly connected with the second end 120, and the first plate body 100 can drive the second plate body 200 to rotate around the rotating part 500. The second plate body 200 is illustratively made of steel. Illustratively, the first predetermined arc rad ₁ = 1.57-3.14.

The third plate body 300 is fixedly connected to an end of the second plate body 200 remote from the first plate body 100, and the first plate body 100, the second plate body 200 and the third plate body 300 are illustratively disposed in sequence. After the door is rotatably mounted to the vehicle by the rotating portion, the first plate body 100, the second plate body 200, and the third plate body 300 can rotate about the rotating portion 500. Illustratively, the third plate body 300 is made of steel.

Referring to fig. 1, fig. 1 is a top view of an opened door of the present embodiment, and after the door is opened, the sectional area of the door on the second vertical surface provided by the embodiment of the present application is far smaller than the sectional area of the door on the second vertical surface in the prior art, and if the door provided by the embodiment of the present application is adopted in a vehicle, the occurrence probability of a door opening and killing accident can be effectively reduced, and the safety is improved.

Further, the first plate body 100 is provided with a first observation window, and a first baffle made of transparent material is disposed at the first observation window, so that a driver and a passenger can observe the situation outside the vehicle through the first observation window. Illustratively, the transparent material of the first baffle is one of: tempered glass, high strength transparent plastic, and the like. Illustratively, the first viewing window is a circular or polygonal through hole formed in the first plate body 100, and the polygonal through hole is triangular or rectangular.

Further, a second observation window is formed in the second plate body 200, and a second baffle made of transparent materials is disposed at the second observation window, so that a driver and a passenger can observe the situation outside the vehicle through the second observation window. Illustratively, the transparent material of the second baffle is one of: tempered glass, high strength transparent plastic, and the like. Illustratively, the second viewing window is a circular or polygonal through hole formed in the second plate body 200, and the polygonal through hole is a triangle or rectangle, etc.

Further, a third viewing window is formed in the third plate 300, and a third baffle made of transparent material is disposed at the third viewing window, so that a driver and a passenger can observe the situation outside the vehicle through the third viewing window. Illustratively, the transparent material of the third baffle is one of: tempered glass, high strength transparent plastic, and the like. Illustratively, the third viewing window is a circular or polygonal through hole formed in the third plate body 300, and the polygonal through hole is triangular or rectangular.

Further, the first observation window, the second observation window, and the third observation window are provided as connected integrated observation windows, and the first observation window and the third observation window are illustratively located at both sides of the second observation window, respectively.

The first observation window, the second observation window and the third observation window are arranged, so that wider visual fields can be provided for personnel in the carriage, more road surface information can be obtained, road condition judgment accuracy is improved, and driving safety is further improved.

Further, referring to fig. 3, fig. 3 is a schematic view of a cross section of the first plate body 100 on a first vertical plane, wherein the first vertical plane is a plane perpendicular to a horizontal plane and parallel to a vehicle advancing direction, and the cross section of the first plate body 100 on the first vertical plane has a second preset radian rad ₂. Illustratively, the second predetermined arc rad ₂ = 0.2-0.5. In another embodiment, the second preset radian rad ₂ =0.2; illustratively, in one embodiment, the second preset radian rad ₂ = 0.24; illustratively, in other embodiments, the second preset radian rad ₂ = 0.41; in a further embodiment, the second preset radian rad ₂ = 0.5.

The first plate body 100 is configured as an arc-shaped plate with a certain radian, and the arc of the first plate body 100 is convexly curved towards the vehicle advancing direction, so that the strength of the first plate body 100 can be improved, the collision deformation preventing capability of the first plate body 100 is improved, and the safety performance is improved.

The vehicle door provided by the embodiment of the application can be applied to not only freight trucks but also large passenger vehicles such as buses, or small and medium passenger vehicles, or travel buses.

In a second aspect, the present application further provides a cab for mounting a vehicle door and providing a riding environment for a vehicle occupant, as shown in fig. 1, fig. 1 is a top view of the cab provided by an embodiment of the present application, in which the top of a main body frame 400 is omitted, and the cab includes the main body frame 400, a primary platform 410, a secondary platform 420 and a tertiary platform 430.

The main body frame 400 is provided with a first opening 440 and a second opening 450, the main body frame 400 is provided with a first A column and a second A column, the first opening 440 is formed at the first A column of the main body frame 400, and the second opening 450 is formed at the second A column of the main body frame 400. The body frame 400 of the cab is accessible through both the first opening 440 and the second opening 450.

The primary platform 410 is provided with two, one is provided at the first opening, and the other is provided at the second opening, so that the person can enter the main body frame 400 by stepping on the primary platform 410 when getting on the vehicle.

The secondary platform 420 is disposed between the two primary platforms 410, the secondary platform 420 has a height greater than that of the primary platform 410, and a driving area is disposed on the secondary platform 420, and illustratively, a steering wheel, an instrument desk, and the like are disposed in the driving area. Compared with the prior art, the driving area and the secondary platform 420 are arranged in the driving room, more space can be provided for the first opening 440 and the second opening 450, the net width of the opening of the primary platform is larger, and the driver and the passengers can get on or off the vehicle conveniently.

The tertiary platform 430 and the secondary platform 420 are disposed in sequence along the vehicle advancing direction.

Further, a rest area, a storage area, a working area, etc. are provided on the three-stage platform 430, and entertainment facilities, a kitchen, a toilet, etc. are provided in the rest area to provide a comfortable riding environment for the driver and the passengers.

Through the primary platform 410, the secondary platform 420 and the tertiary platform 430 that set up, can make things convenient for personnel to get on or off the bus, can optimize the interior space of driver's cabin, improve space utilization and pleasing to the eye degree.

Further, as shown in fig. 1, the cab further includes two doors provided in any one of the embodiments, where the two doors are a first door and a second door, the first door is rotatably installed at the first opening, the first door is rotatably connected with the main body frame through a rotating portion of the first door, and the first door can open or close the first opening when rotating around the rotating portion of the first door.

The first door and the second door mirror are arranged in a pair, the second door is rotatably installed at the second opening, the second door is rotatably connected with the main body frame through a rotating part of the second door, and the second door can enable the second opening to be opened or closed when rotating around the rotating part of the second door. The automobile door is different from the inconvenience that the existing heavy truck needs to enter the automobile through multiple steps, and the automobile door is arranged at the front corner of the automobile, and can enter the automobile only through the primary platform, so that a driver and passengers can get on or off the automobile conveniently. Meanwhile, the vehicle enters the vehicle through the first-stage platform, so that the height of the cab can be effectively reduced, and other storage spaces in the cab are increased.

The first door, the second door, the first opening and the second opening are arranged, so that passengers or drivers can enter and exit the carriage from the first opening 440 or the second opening 450, the loading and unloading efficiency can be improved, and the convenience can be improved. Meanwhile, by arranging the vehicle door at the front corner of the vehicle, a shorter front suspension design can be realized, the head intrusion angle is increased, and the front suspension and the collision on the ground are reduced; under the condition of the same vehicle length, the front overhang is shortened, the loading length can be effectively increased, and the utilization rate of the whole vehicle is improved.

Further, the height of the primary platform 410 from the ground is at least a first preset height, and illustratively, the first preset height=360 mm, and the height of the primary platform 410 from the ground is set to be the first preset height, so that the intrusion angle of the vehicle head can be increased, the chassis is not easy to wear, and the off-road performance is improved to adapt to complex road conditions. In another embodiment, the first preset height = 350mm. In other embodiments, the first preset height = 370mm. In other embodiments, the first preset height = 400mm.

Further, the height difference between the height of the secondary stage 420 and the height of the primary stage 410 is at least a second preset height, illustratively in the range of 0mm-250mm. Illustratively, in one embodiment, the second preset height = 0mm, i.e., the secondary platform 420 is at the same height as the primary platform 410. In another embodiment, the second preset height = 250mm, and in another embodiment, the second preset height = 100mm.

Further, the height difference between the height of the tertiary platform 430 and the height of the secondary platform 420 is at least a third preset height, illustratively in the range of 0mm-15mm. Illustratively, in one embodiment, the third preset height = 0mm, i.e., the tertiary platform 430 is equidistant from the secondary platform 420. In another embodiment, the third preset height = 5mm. In other embodiments, the third preset height = 10mm.

Further, the cab provided by the embodiment of the application further comprises an inner reflecting mirror; the inside mirror is disposed on a side of the first plate body 100 of the first door near the main body frame 400. In one embodiment, an inside mirror is disposed on the side of the first panel body 100 of the second door adjacent to the main body frame 400. In another embodiment, the inner mirror is disposed on the side of the second plate body 200 of the first door near the main body frame 400; in one embodiment, the inside mirror is disposed on the side of the second door second panel body 200 adjacent to the main body frame 400. In another embodiment, an inside mirror is provided on the third panel body 300 of the first door on a side near the main body frame 400. In other embodiments, the inside mirror is disposed on the side of the third panel body 300 of the second door that is adjacent to the main body frame 400.

The inside reflector is arranged, after the first door and the second door are opened, people in the automobile can observe traffic conditions outside the automobile conveniently, the safety of getting on and off the automobile is improved, and the situation that the coming automobile and the person getting off the automobile at the rear are scraped is avoided to a certain extent.

The cab provided by the embodiment of the application can be applied to not only freight trucks but also large passenger vehicles such as buses, or small and medium passenger vehicles, or travel buses.

In a third aspect, embodiments of the application provide a vehicle comprising a frame and a cab as provided in any of the embodiments above, the cab being provided on the frame.

Illustratively, the vehicle may be a large passenger vehicle such as a truck, a bus, or the like, a medium-and small-sized passenger vehicle, or a touring car, or the like.

Further, the vehicle provided by the embodiment of the application further comprises a power system, wherein the power system comprises an electric driving subsystem and a braking subsystem; the electric drive subsystem can provide power for the vehicle by electric energy, and comprises a storage battery, an electric motor electrically connected with the storage battery, wheels in driving connection with the electric motor, and the like. The braking subsystem is used to reduce the vehicle travel speed.

The vehicle also comprises a control system which is used for controlling the output power of the storage battery, the running direction of the vehicle, the lamplight and the like.

The present application is not limited to the above embodiment. The above embodiments are merely examples, and embodiments having substantially the same configuration and the same effects as those of the technical idea within the scope of the present application are included in the technical scope of the present application. Further, various modifications that can be made to the embodiments and other modes of combining some of the constituent elements in the embodiments, which are conceivable to those skilled in the art, are also included in the scope of the present application within the scope not departing from the gist of the present application.

Claims (10)

1. A vehicle door, comprising:

a rotating unit (500);

the first plate body (100), the first plate body (100) comprises a first end (110) and a second end (120) which are oppositely arranged, and the first end (110) is fixedly connected with the rotating part (500);

The second plate body (200) is an arc-shaped plate body with a first preset radian rad ₁ on a horizontal plane, and one end of the second plate body (200) is fixedly connected with the second end (120);

And the third plate body (300) is fixedly connected with one end, far away from the first plate body (100), of the second plate body (200).

2. The vehicle door according to claim 1, characterized in that the first panel body (100) is provided with a first viewing window, and a first baffle made of transparent material is arranged at the first viewing window;

And/or;

a second observation window is formed in the second plate body (200), and a second baffle made of transparent materials is arranged at the second observation window;

And/or;

a third observation window is formed in the third plate body (300), and a third baffle made of transparent materials is arranged at the third observation window.

3. The vehicle door according to claim 1 or 2, characterized in that the first panel body (100) has a second preset radian rad ₂ in cross section on a first elevation, which is a plane perpendicular to the horizontal plane and parallel to the vehicle advancing direction.

4. A cab, comprising:

A main body frame (400), wherein a first opening (440) and a second opening (450) are formed in the main body frame (400), the main body frame (400) is provided with a first A column and a second A column, the first opening (440) is formed in the first A column of the main body frame (400), and the second opening (450) is formed in the second A column of the main body frame (400);

A vehicle door as claimed in any one of claims 1 to 3, said vehicle door being provided with two doors, a first door and a second door, respectively, said first door being rotatably connected to said main body frame by said rotating portion (500) of said first door and being capable of closing or opening said first opening (440);

the second door is rotatably connected with the main body frame through the rotating part of the second door, and can close or open the second opening.

5. The cab of claim 4, further comprising:

the first-stage platforms (410) are arranged, one first-stage platform is arranged at the first opening, and the other first-stage platform is arranged at the second opening;

The secondary platform (420), the secondary platform (420) is arranged between the two primary platforms (410), the height of the secondary platform (420) is larger than that of the primary platform (410), and a driving area is arranged on the secondary platform (420);

And the three-stage platform (430) and the two-stage platform (420) are sequentially arranged along the advancing direction of the vehicle.

6. The cab of claim 5, wherein the primary platform (410) has a height from the ground of at least a first predetermined height;

And/or;

The difference between the height of the secondary platform (420) and the height of the primary platform (410) is at least a second preset height;

And/or;

The difference in height between the height of the tertiary platform (430) and the height of the secondary platform (420) is at least a third predetermined height.

7. The cab of claim 4, further comprising an inboard mirror;

The inner side reflector is arranged on one side, close to the main body frame (400), of the first plate body (100) of the first vehicle door and/or the second vehicle door;

and/or the inner side mirror is arranged on one side of the second plate body (200) of the first door and/or the second door, which is close to the main body frame (400);

and/or the inner side reflector is arranged on one side of the third plate body (300) of the first door and/or the second door, which is close to the main body frame (400).

8. The cab of claim 5, wherein the tertiary platform (430) is provided with a rest area, a storage area, and a working area.

9. A vehicle, characterized by comprising:

A cab according to any one of claims 4 to 8;

And the cab is arranged on the frame.

10. The vehicle of claim 9, further comprising:

And the power system is arranged on the frame and comprises an electric driving subsystem and a braking subsystem.