CN217532481U - Vehicle with a steering wheel - Google Patents

Abstract

The application discloses vehicle belongs to the vehicle field. The vehicle includes the instrument board, first seat, the second seat, the air-conditioning box, the main air duct, guide wind channel and air-out wind channel, length direction along the vehicle, the instrument board, first seat, the second seat sets gradually, width direction along the vehicle, the side of second seat is equipped with the second door, the instrument board is all located to main air duct and air-conditioning box, the one end in main air duct communicates with the air-conditioning box, the second door is located in the air-out wind channel, guide wind channel is located between main air duct and the air-out wind channel, the one end in guide wind channel communicates with the other end in main air duct, and the air-out wind channel sets up the second air outlet towards the second seat, under the condition that the second door is in closed condition, the air-out wind channel is linked together with the other end in guide wind channel. The second air outlet among the above-mentioned technical scheme is close apart from back row passenger distance, and air current reachability and travelling comfort are better.

Description

Vehicle with a steering wheel

Technical Field

The application belongs to the technical field of vehicles, and particularly relates to a vehicle.

Background

In the present entire vehicle structure, the air conditioning box is disposed in the instrument panel, as shown in fig. 1, the air conditioning box 200 is connected to a rear exhaust blowing surface air duct, the rear exhaust blowing surface air duct is generally installed inside the console 120, the console 120 is located between the main driver seat and the front driver seat, and an air outlet of the rear exhaust blowing surface air duct is correspondingly disposed at the rear side of the console. However, since the rear-row passenger leans against the rear-row seat, the distance from the air outlet of the rear-row blowing surface air duct to the head of the rear-row passenger is long, the rear-row passenger suffers less blowing of the air flow, the accessibility of the air flow is poor, and the comfort is poor.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide a vehicle, which can solve the problems that in the related art, the distance from an air outlet of a rear-row blowing surface air duct of the vehicle to a rear-row passenger is long, and the air flow accessibility and the comfort are poor.

The embodiment of the application provides a vehicle, including instrument board, first seat and second seat and air conditioning system, follow the length direction of vehicle, the instrument board first seat the second seat sets gradually, follows the width direction of vehicle, the side of second seat is equipped with the second door, air conditioning system includes air-conditioning box, main wind channel, guide wind channel and air-out wind channel, wherein:

the main air duct and the air conditioning box are both arranged on the instrument panel, and one end of the main air duct is communicated with the air conditioning box;

the air outlet duct is arranged on the second vehicle door, the guide air duct is positioned between the main air duct and the air outlet duct, one end of the guide air duct is communicated with the other end of the main air duct, the air outlet duct is provided with a second air outlet facing the second seat, and the air outlet duct is communicated with the other end of the guide air duct when the second vehicle door is in a closed state.

In the embodiment of the application, the air flow path blown out by the air conditioning box is changed through the main air duct, the guide air duct and the air outlet duct, so that the air flow can be blown to the back-row passengers from the vehicle doors corresponding to the back-row seats finally, under the condition, the distance from the second air outlet to the back-row passengers is short, the accessibility of the air flow is good, and the comfort is improved.

Drawings

Fig. 1 is a structural view of an interior system of a vehicle disclosed in the background art;

FIG. 2 is a block diagram of an interior trim system of a vehicle as disclosed in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of an air conditioning system according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of an air conditioning system disclosed in another embodiment of the present application;

FIG. 5 is a schematic view of a second air outlet of a second vehicle door as disclosed in an embodiment of the present application;

FIG. 6 is a schematic structural diagram of two first sealing rings with a first door in an open state according to an embodiment of the present disclosure;

FIG. 7 is a schematic illustration of a junction of a first conduit and a main conduit with a first door in an open condition as disclosed in an embodiment of the present application;

FIG. 8 is a schematic view of the two first sealing rings in a closed state of the first door according to the disclosure of the present application;

fig. 9 is a schematic view of a connection between the first pipeline and the main pipeline when the first door is in a closed state according to an embodiment of the present application.

Description of reference numerals:

110-a dashboard; 120-sub dashboard; 130-a second seat; 140-a first vehicle door; 150-a second vehicle door; 160-door pillars;

200-an air-conditioning box;

300-a main air duct; 310-a primary pipeline; 320-branch pipeline; 321-a first air outlet;

400-a first conduit;

500-a second conduit;

600-an air outlet duct; 610-a second air outlet; 620-blades;

700-a first sealing ring; 700' -first sealing ring.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The following describes a vehicle according to an embodiment of the present application in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.

Referring to fig. 1 to 9, the present embodiment discloses a vehicle, which includes an instrument panel 110, a first seat, a second seat 130, and an air conditioning system. Among them, the instrument panel 110 is an assembly in which various indication instruments and ignition switches are installed in a cab of a vehicle; in the longitudinal direction of the vehicle, an instrument panel 110, a first seat corresponding to a front seat in the related art, typically including a driver seat and a front passenger seat, and a second seat 130 corresponding to a rear seat in the related art are sequentially provided; in the width direction of the vehicle, a first door 140 is provided at a side of the first seat, corresponding to a front door in the related art, a second door 150 is provided at a side of the second seat 130, corresponding to a rear door in the related art, and a door pillar 160 is provided between the first door 140 and the second door 150.

The longitudinal direction of the vehicle, that is, the direction in which the front wheels and the rear wheels of the vehicle are arranged, and the width direction of the vehicle are perpendicular to the longitudinal direction.

The air conditioning system comprises an air conditioning box 200, a main air duct 300, a guide air duct and an air outlet duct 600, wherein the air conditioning box 200 is a core component of the air conditioning system and is used for adjusting temperature and outputting air; the main air duct 300, the guide air duct and the air outlet air duct 600 are connected in sequence, and are used for guiding the cool air of the air conditioning box 200 to a proper air outlet position in cooperation with each other.

As shown in fig. 2, the main duct 300 and the air-conditioning case 200 are provided to the instrument panel 110, and in particular, the main duct 300 and the air-conditioning case 200 are provided inside the instrument panel 110, one end of the main duct 300 communicates with the air-conditioning case 200, and a port of the other end of the main duct 300 communicates with the outside of the instrument panel 110 in order to enable the air flow of the air-conditioning case 200 to be transmitted to a guide duct described below. Also, the main duct 300 is opened with a first air outlet 321 facing the first seat. In this way, the airflow of the air conditioning box 200 can flow out through the first outlet 321 and be blown to the passenger sitting on the first seat.

The air outlet duct 600 is disposed on the second door 150, the guiding duct is disposed between the main duct 300 and the air outlet duct 600, and one end of the guiding duct is communicated with the other end of the main duct 300, so that the air flowing through the main duct 300 can enter the guiding duct. Specifically, the outlet duct 600 may be disposed inside the second door 150, or may be disposed on an inner surface of the second door 150. When the second door 150 is in the closed state, the outlet duct 600 communicates with the other end of the guide duct. Moreover, the air outlet duct 600 is opened with a second air outlet 610 facing the second seat 130, as shown in fig. 5, that is, the second air outlet 610 faces the rear seat, and can directly face the rear passenger. When the second door 150 is in the open state, the position of the air outlet duct 600 changes, the port of the air outlet duct 600 is staggered from the port of the guide duct, and the two are not communicated with each other any longer, and therefore, the air flowing through the guide duct cannot enter the air outlet duct 600.

Specifically, the guide duct may be disposed on the first door 140 and the door pillar 160, on the ceiling of the vehicle, or on the chassis of the vehicle as an intermediate air flow transmission member, and the installation position of the guide duct is not limited, and the air flow of the main duct 300 may be transmitted to the outlet air duct 600.

So set up, through main wind channel 300, guide wind channel and air-out wind channel 600, change the air current route that air-conditioning box 200 blew out, make the air current finally can blow to the back row passenger by the door department that the back row seat corresponds, under this condition, the distance of second air outlet 610 to back row passenger is nearer, and the air current reachability is better, and the travelling comfort promotes.

In an alternative embodiment, as shown in fig. 2-4, the guide duct includes a first duct 400 and a second duct 500, wherein the first duct 400 is disposed at the first vehicle door 140, and the second duct 500 is disposed at the door pillar 160. Specifically, the first duct 400 may be disposed on an inner surface of the first door 140, and may also be disposed within the first door 140; second conduit 500 may be disposed on an inner surface of door pillar 160, and may also be disposed within door pillar 160. When first door 140 is in a closed state, two ends of first duct 400 are respectively communicated with main duct 300 and second duct 500, and when second door 150 is in a closed state, air outlet duct 600 is communicated with second duct 500. That is, when the first door 140 is in the closed state, two ports of the first duct 400 correspond to the port of the main duct 300 and the port of the second duct 500, respectively, and similarly, when the second door 150 is in the closed state, the port of the outlet duct 600 and the port of the second duct 500 communicate with each other.

With such an arrangement, the guide duct is disposed on the ceiling or the chassis without passing around the first door 140 and the door pillar 160, so as to shorten the path of the guide duct and shorten the time for the cool air to reach the second air outlet 610.

In the present embodiment, both the guide duct and the outlet duct 600 extend in the longitudinal direction of the vehicle, that is, both the first duct 400 and the second duct 500 extend in the longitudinal direction of the vehicle. Thus, the path of the guide duct is shortened to the maximum extent, and the time for the cool air to reach the second outlet 610 is shortened to the maximum extent.

In a further technical solution, a first sealing device may be disposed between the first pipeline 400 and the main duct 300, and the first sealing device seals a connection between the first pipeline 400 and the main duct 300 when the first door 140 is in a closed state; likewise, a second sealing device may be provided between the first pipe 400 and the second pipe 500, and the second sealing device seals a connection between the first pipe 400 and the second pipe 500 in a state where the first door 140 is closed; similarly, a third sealing device may be disposed between second duct 500 and outlet duct 600, and the third sealing device seals a connection between second duct 500 and outlet duct 600 when second door 150 is in a closed state.

Specifically, the first sealing device, the second sealing device and the third sealing device can be sealing rings and are arranged at the ports of the corresponding pipelines or air ducts, and of course, sealing devices of other structures can be adopted, and the sealing function can be achieved.

In this embodiment, a first sealing device is disposed between the first pipeline 400 and the main air duct 300, a second sealing device is disposed between the first pipeline 400 and the second pipeline 500, and a third sealing device is disposed between the second pipeline 500 and the air outlet duct 600. In other embodiments, one or both of the first sealing device, the second sealing device, and the third sealing device may be provided.

With the arrangement, the joint between the main air duct 300 and the first pipeline 400 can be sealed by the first sealing device, so that cold air leakage in the process of transferring cold air to the first pipeline 400 by the main air duct 300 is avoided; through the second sealing device, the joint between the first pipeline 400 and the second pipeline 500 can be sealed, so that cold air leakage in the process of transferring cold air to the second pipeline 500 by the first pipeline 400 is avoided; similarly, through the third sealing device, can seal the junction between second pipeline 500 and air-out wind channel 600, avoid second pipeline 500 to give air conditioning for the in-process air conditioning of air-out wind channel 600 and reveal.

Optionally, the first sealing device includes a first sealing ring, the first sealing ring is disposed at least one of a first port of the first pipeline 400 and a second port of the main air duct 300, the first port is a port of the first pipeline 400 close to the main air duct 300, and the second port is a port of the main air duct 300 close to the first pipeline 400. Specifically, a first sealing ring may be disposed at the first port, a first sealing ring may be disposed at the second port, or both the first port and the second port may be disposed with the first sealing ring.

In this embodiment, referring to fig. 6 to 9, the first port and the second port are respectively provided with a first sealing ring 700 and a first sealing ring 700', and when the first door 140 is in the closed state, the first sealing ring 700 is disposed inside the first sealing ring 700' and the two are in contact connection. Specifically, the outer diameter of the first seal ring 700 is equal to the inner diameter of the first seal ring 700', or the outer diameter of the first seal ring 700 is slightly larger than the inner diameter of the first seal ring 700', so that the first seal ring 700 can extend into the first seal ring 700', and the first seal ring are pressed against each other to achieve sealing. Of course, in other embodiments, a groove may be formed on the side surface of the first sealing ring 700, and the first sealing ring 700' may extend into the groove and be press-fitted into the groove.

The first seal ring 700 and the first seal ring 700' may be fixed to the first port and the second port, respectively, by means of bonding or the like. In the present embodiment, as shown in fig. 6, the first port is located on the inner surface of the first door 140, the second port is located on the side end surface of the instrument panel 110, and the first seal ring 700' are fixed to the inner surface of the first door 140 and the side end surface of the instrument panel 110, respectively.

So set up, first sealing washer 700 and first sealing washer 700' are gomphosis each other, and furthest seals the junction between first port and the second port, avoids the cold air to reveal.

Optionally, the second sealing device includes a second sealing ring, the second sealing ring is disposed at least one of a third port of the first pipeline 400 and a fourth port of the second pipeline 500, the third port is a port of the first pipeline 400 close to the second pipeline 500, and the fourth port is a port of the second pipeline 500 close to the first pipeline 400. Specifically, a second sealing ring can be arranged at the third port, a second sealing ring can be arranged at the fourth port, and the second sealing ring can also be arranged at the third port and the fourth port.

In the present embodiment, the third port and the fourth port are provided with second seal rings, and when the first door 140 is in the closed state, one of the second seal rings is disposed inside the other second seal ring, and the two second seal rings are in contact connection. Specifically, the outer diameter of one of the second seal rings is equal to the inner diameter of the other second seal ring, or the outer diameter of one of the second seal rings is slightly larger than the inner diameter of the other second seal ring, so that one of the second seal rings can extend into the other second seal ring, and the two seal rings are in pressing contact to realize sealing. Of course, in other embodiments, a groove may be formed on a side surface of one of the second seal rings, and the other second seal ring may extend into the groove and be engaged with the groove.

The two second seal rings may be fixed to the third port and the fourth port, respectively, by bonding or the like. In this embodiment, the third port is located at the edge of the first door 140 facing the door pillar 160, the fourth port is located at the end surface of the door pillar 160 facing the first door 140, and two second sealing rings are respectively fixed at the edge of the first door 140 and the end surface of the door pillar 160.

So set up, two mutual gomphosis of second sealing washer, the junction between furthest sealed third port and the fourth port avoids cold air to reveal.

Optionally, the third sealing device includes a third sealing ring, the third sealing ring is disposed at least one of a fifth port of the second pipeline 500 and a sixth port of the air outlet duct 600, the fifth port is a port of the second pipeline 500 close to the air outlet duct 600, and the sixth port is a port of the air outlet duct 600 close to the second pipeline 500. Specifically, a third seal ring may be provided at the fifth port, a third seal ring may be provided at the sixth port, or third seal rings may be provided at both the fifth port and the sixth port.

In the present embodiment, the fifth port and the sixth port are provided with third seal rings, and one of the third seal rings is disposed inside the other third seal ring and is in contact connection with the second door 150 in the closed state. Specifically, the outer diameter of one of the third seal rings is equal to the inner diameter of the other third seal ring, or the outer diameter of one of the third seal rings is slightly larger than the inner diameter of the other third seal ring, so that one of the third seal rings can extend into the other third seal ring, and the third seal rings and the other third seal ring are in pressing contact to realize sealing. Of course, in other embodiments, a groove may be formed on a side surface of one of the third seal rings, and the other third seal ring may extend into the groove and be engaged with the groove.

It should be noted that the two third seal rings may be fixed to the fifth port and the sixth port respectively by means of bonding or the like. In this embodiment, the fifth port is located at the end surface of the door pillar 160 facing the second door 150, the sixth port is located at the edge of the second door 150 facing the door pillar 160, and two third seal rings are fixed to the end surface of the door pillar 160 and the edge of the second door 150, respectively.

So set up, two mutual gomphosis of third sealing washer, the junction between furthest sealed fifth port and the sixth port avoids cold air to reveal.

In an alternative embodiment, as shown in fig. 3 and 4, the main duct 300 includes a main duct 310 and a branch duct 320, one end of the main duct 310 is connected to the air conditioning box 200, the other end of the main duct 310 is communicated with the guiding duct, one end of the branch duct 320 is communicated with the main duct 310, and the first air outlet 321 is disposed at the other end of the branch duct 320. That is, the branch duct 320 is located on a side of the main duct 310 close to the first seat, so that the first air outlet 321 is closer to the first seat. In the present embodiment, the main duct 310 is located inside the instrument panel 110, and the first air outlet 321 is located on the surface of the instrument panel 110.

So set up, through branch pipeline 320, make first air outlet 321 be closer to first seat, cold wind can blow to first seat directly.

In other embodiments, the main duct 300 includes a main duct 310, and the first air outlet 321 may be disposed on the main duct 310.

In this embodiment, as shown in fig. 2 to 4, a distance between the branch pipe 320 and the guiding air duct is smaller than a distance between the branch pipe 320 and the air conditioning box 200, that is, a distance between the first air outlet 321 and the guiding air duct is shorter, and a distance between the first air outlet 321 and the air conditioning box 200 is longer.

Thus, the first air outlet 321 is closer to the guiding air duct, and the cool air in the air conditioning box 200 can reach the guiding air duct to the maximum extent through the main pipeline 310, so as to prevent most of the cool air from directly flowing out of the first air outlet 321, and further affecting the air outlet effect of the second air outlet 610.

Optionally, the air outlet duct 600 is disposed inside the second door 150, as shown in fig. 5, an opening is disposed on an inner surface of the second door 150, the opening is correspondingly communicated with the second air outlet 610, and a blade 620 is rotatably disposed at the opening. Specifically, blade 620 can be strip-shaped, and the tip of blade 620 is equipped with the cylindricality arch, and the edge of opening part can set up the cylindricality groove, and the cylindricality arch can stretch into the cylindricality inslot to for blade 620 provides the support, when blade 620 rotated, the cylindricality arch rotates for the cylindricality groove.

Thus, the direction of the cold air flow at the second air outlet 610 can be adjusted by manually adjusting the rotation angle of the blade 620.

In an alternative embodiment, as shown in fig. 2 and 3, the number of the main air ducts 300, the guide air ducts, and the outlet air ducts 600 is two, and the two main air ducts 300, the two guide air ducts, and the two outlet air ducts 600 are respectively disposed on two sides of the air conditioning box 200 along the width direction of the vehicle. In this embodiment, the two main air ducts 300, the two first pipelines 400, the two second pipelines 500, and the two outlet air ducts 600 are respectively symmetrically disposed on two sides of the air conditioning box 200.

By the arrangement, the number of air outlet paths is increased, the air outlet efficiency can be improved by two paths, and the cooling time in the vehicle is shortened; meanwhile, the number of the air outlets is increased, the two first air outlets 321 respectively blow out cold air to a driver seat and a front passenger seat of the vehicle, and the two second air outlets 610 respectively blow out cold air to the rear seats from two ends of the rear seats, so that the temperature in the vehicle is uniformly reduced.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A vehicle, including an instrument panel (110), a first seat, a second seat (130), and an air conditioning system, wherein the instrument panel (110), the first seat, and the second seat (130) are sequentially disposed along a length direction of the vehicle, and a second door (150) is disposed at a side of the second seat (130) along a width direction of the vehicle, wherein the air conditioning system includes an air conditioning box (200), a main duct (300), a guide duct, and an outlet duct (600), wherein:

the main air duct (300) and the air conditioning box (200) are both arranged on the instrument panel (110), and one end of the main air duct (300) is communicated with the air conditioning box (200);

air-out wind channel (600) are located second door (150), the guide wind channel is located main wind channel (300) with between air-out wind channel (600), the one end in guide wind channel with the other end in main wind channel (300) is linked together, air-out wind channel (600) offer towards second air outlet (610) of second seat (130) under second door (150) is in the condition of closed condition, air-out wind channel (600) with the other end in guide wind channel is linked together.

2. The vehicle according to claim 1, characterized in that a first door (140) is provided to a side of the first seat in a width direction of the vehicle, a door pillar (160) is provided between the first door (140) and the second door (150), and the guide duct includes a first duct (400) and a second duct (500), wherein:

the first pipeline (400) is arranged on the first vehicle door (140), the second pipeline (500) is arranged on the door pillar (160), when the first vehicle door (140) is in a closed state, two ends of the first pipeline (400) are respectively communicated with the main air duct (300) and the second pipeline (500), and when the second vehicle door (150) is in a closed state, the air outlet duct (600) is communicated with the second pipeline (500).

3. The vehicle according to claim 2, characterized in that a first sealing device is provided between the first duct (400) and the main duct (300), which seals the connection between the first duct (400) and the main duct (300) with the first door (140) in the closed state;

and/or a second sealing device is arranged between the first pipeline (400) and the second pipeline (500), and the second sealing device seals a connection part between the first pipeline (400) and the second pipeline (500) when the first door (140) is in a closed state;

and/or a third sealing device is arranged between the second pipeline (500) and the air outlet duct (600), and the third sealing device seals the connection between the second pipeline (500) and the air outlet duct (600) under the condition that the second door (150) is in a closed state.

4. The vehicle of claim 3, characterized in that the first sealing means comprises a first sealing ring (700), the first sealing ring (700) being provided at least at one of a first port of the first pipe (400) and a second port of the main duct (300), the first port being a port of the first pipe (400) near the main duct (300), the second port being a port of the main duct (300) near the first pipe (400);

the second sealing device comprises a second sealing ring, the second sealing ring is arranged at least one of a third port of the first pipeline (400) and a fourth port of the second pipeline (500), the third port is a port of the first pipeline (400) close to the second pipeline (500), and the fourth port is a port of the second pipeline (500) close to the first pipeline (400);

the third sealing device comprises a third sealing ring, the third sealing ring is arranged at least one of a fifth port of the second pipeline (500) and a sixth port of the air outlet duct (600), the fifth port is a port of the second pipeline (500) close to the air outlet duct (600), and the sixth port is a port of the air outlet duct (600) close to the second pipeline (500).

5. The vehicle of claim 4, characterized in that the first port and the second port are each provided with the first sealing ring (700), one of the first sealing rings (700) being provided inside the other first sealing ring (700) in a contact connection with the first door (140) in the closed state;

the third port and the fourth port are provided with the second sealing rings, and when the first door (140) is in a closed state, one of the second sealing rings is arranged in the other second sealing ring and is in contact connection with the other second sealing ring;

the fifth port and the sixth port are provided with the third seal rings, and when the second door (150) is in a closed state, one of the third seal rings is arranged in the other third seal ring and is in contact connection with the third seal ring.

6. The vehicle of claim 1, wherein the main duct (300) comprises a main duct (310) and a branch duct (320), one end of the main duct (310) is connected to the air conditioning box (200), the other end of the main duct (310) is communicated with the guide duct, the branch duct (320) is communicated with the main duct (310), and the branch duct (320) is opened with a first air outlet (321) facing the first seat.

7. The vehicle of claim 6, characterized in that a distance between the branch duct (320) and the guide duct is smaller than a distance between the branch duct (320) and the air conditioning box (200).

8. The vehicle of claim 1, characterized in that the air outlet duct (600) is disposed in the second door (150), an opening is disposed on an inner surface of the second door (150), the opening is correspondingly communicated with the second air outlet (610), and a blade (620) is rotatably disposed at the opening.

9. The vehicle according to claim 1, wherein the number of the main air ducts (300), the number of the guide air ducts, and the number of the outlet air ducts (600) are two, and the two main air ducts (300), the two guide air ducts, and the two outlet air ducts (600) are respectively disposed on two sides of the air conditioning box (200) along the width direction of the vehicle.

10. The vehicle of claim 1, characterized in that the guide duct and the outlet duct (600) each extend in a length direction of the vehicle.

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