CN220349801U - Cabin assembly and vehicle - Google Patents

Abstract

The utility model discloses a cabin assembly and a vehicle, wherein the cabin assembly comprises: a front wall assembly; the two cabin longitudinal beams are respectively arranged at two sides of the width direction of the vehicle and fixedly connected with the front wall assembly, and a first cavity is formed in the cabin longitudinal beams; the front wall reinforcing assembly is connected to the front side of the front wall assembly and connected with the two cabin longitudinal beams, and the front wall reinforcing assembly, the front wall assembly and the two cabin longitudinal beams form a second cavity. The two first chambers and the second chambers form a force transmission channel, and force generated by frontal collision of the vehicle is transmitted to a vehicle body framework at the rear of the vehicle, so that the force transmission effect of the vehicle is improved.

Description

Cabin assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicle body structures, in particular to a cabin assembly and a vehicle.

Background

In the related art, a reinforcing structure is added to a front wall assembly of a vehicle, but an integral cavity structure is not formed. Therefore, when the front wall assembly is collided, the front wall assembly is stressed too much, the impact force cannot be effectively absorbed, the collision performance of the vehicle can be affected, and the vehicle is easy to damage. In addition, the front collision transmits force backwards, and the protection of cockpit personnel during the front collision requires a reasonable design of a force transmission channel at the front surrounding position.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the cabin assembly provided by the utility model has the advantages that the two first chambers and the second chamber form a force transmission channel, the force generated by the frontal collision of the vehicle is transmitted to the body framework at the rear of the vehicle, and the force transmission effect of the vehicle is improved.

The utility model further provides a vehicle.

A nacelle assembly according to an embodiment of the first aspect of the utility model comprises: a front wall assembly; the two cabin longitudinal beams are respectively arranged at two sides of the width direction of the vehicle and fixedly connected with the front wall assembly, and a first cavity is formed in the cabin longitudinal beams; the front wall reinforcing assembly is connected to the front side of the front wall assembly and connected with the two cabin longitudinal beams, and the front wall reinforcing assembly, the front wall assembly and the two cabin longitudinal beams form a second cavity.

According to the cabin assembly provided by the embodiment of the utility model, the first chambers on the left side and the right side of the vehicle transmit collision force to the rear side of the vehicle through the A column, the second chamber is positioned between the two first chambers, the two first chambers and the second chamber form a force transmission channel, and the force generated by the frontal collision of the vehicle is transmitted to the body framework at the rear of the vehicle, so that the force transmission effect of the vehicle is improved.

According to some embodiments of the utility model, a front wall assembly includes: enclose the upper plate before and enclose the hypoplastron, preceding enclose the upper plate before be located enclose the upside of hypoplastron and with enclose hypoplastron fixed connection before, preceding enclose the upper plate with enclose the hypoplastron before with cabin longeron with enclose the reinforcing assembly fixed connection before.

According to some embodiments of the utility model, the cowl reinforcement assembly includes: reinforcing plate and stiffening beam, the upside of reinforcing plate with preceding enclose upper plate fixed connection, the downside of reinforcing plate keep away from preceding enclose upper plate and with stiffening beam's upside fixed connection, stiffening beam's downside with preceding enclose lower plate fixed connection.

According to some embodiments of the utility model, the reinforcement panel, the reinforcement beam and the cabin longitudinal beam are profiled with a second cavity between the cowl top panel and the cowl bottom panel.

According to some embodiments of the utility model, the reinforcing plate is obliquely arranged towards the obliquely lower direction in the backward-to-forward direction, and a first flanging is arranged on the upper side of the reinforcing plate and fixedly connected with the front upper plate;

and/or the lower side of the reinforcing plate is provided with a second flanging, and the second flanging is fixedly connected with the reinforcing beam.

According to some embodiments of the present utility model, the reinforcement beam is obliquely disposed toward obliquely downward in a front-to-rear direction, and a third flange is disposed on a lower side of the reinforcement beam, and is fixedly connected to the front wall lower plate;

and/or fourth flanges are arranged on two sides of the stiffening beam in the width direction, and the two fourth flanges are fixedly connected with the two cabin longitudinal beams.

According to some embodiments of the utility model, the cowl reinforcement assembly further comprises: the front wall heat insulation board mounting bracket is arranged above the reinforcing plate and fixedly connected with the reinforcing plate.

According to some embodiments of the utility model, the nacelle stringers comprise: the cabin longitudinal beam inner plate and the cabin longitudinal beam outer plate are buckled with each other to enclose the first cavity.

According to some embodiments of the utility model, the first chamber comprises: the upper cavity and the lower cavity are arranged at intervals, the upper end of the second cavity is located between the upper cavities of the two cabin longitudinal beams, and the lower end of the second cavity is located between the lower cavities of the two cabin longitudinal beams.

According to some embodiments of the utility model, the nacelle stringers further comprise: the two longitudinal beam reinforcements are respectively arranged in the two first cavities and fixedly connected with the cabin longitudinal beam inner plate.

According to an embodiment of the second aspect of the present utility model, a vehicle includes: the nacelle assembly.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic illustration of the connection of a nacelle assembly according to an embodiment of the utility model;

FIG. 2 is a schematic illustration of a nacelle assembly in a first orientation according to an embodiment of the utility model;

FIG. 3 is a schematic illustration of a nacelle assembly in a second orientation according to an embodiment of the utility model;

FIG. 4 is a schematic illustration of a nacelle assembly in a third orientation according to an embodiment of the utility model;

FIG. 5 is a cross-sectional view of a nacelle assembly according to an embodiment of the utility model;

FIG. 6 is a simplified view of a nacelle assembly according to an embodiment of the utility model.

Reference numerals:

100. a nacelle assembly;

10. a front wall assembly; 11. a front upper plate; 12. a front lower plate;

20. cabin stringers; 21. cabin stringer inner panels; 22. cabin longitudinal beam outer plates; 23. a stringer stiffener; 24. a first chamber; 241. an upper cavity; 242. a lower cavity;

30. a front wall reinforcement assembly; 31. a reinforcing plate; 311. a first flanging; 312. a second flanging; 32. a stiffening beam; 321. a third flanging; 322. fourth flanging; 33. a front wall heat insulation board mounting bracket;

40. a second chamber.

Detailed Description

Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.

A nacelle assembly 100 according to an embodiment of the utility model is described below with reference to fig. 1-6, and a vehicle comprising the nacelle assembly 100 is also presented.

As shown in connection with fig. 1-4, the nacelle assembly 100 includes: the cowl assembly 10, the two cabin stringers 20, and the cowl reinforcement assembly 30, the two cabin stringers 20 are respectively provided on both sides in the width direction of the vehicle, and are fixedly connected with the cowl assembly 10, and the first chamber 24 is formed in the cabin stringers 20. Specifically, the cabin longitudinal beam 20 is fixedly connected with the front wall assembly 10, the first chambers 24 are formed in the cabin longitudinal beam 20, the two first chambers 24 are respectively arranged on two sides of the width direction of the vehicle, the rear side of the cabin longitudinal beam 20 is connected with the a pillar, the rear side of the two first chambers 24 is abutted against the a pillar, when the vehicle is impacted, the first chambers 24 transmit the force received by the cabin longitudinal beam 20 to the lower area of the a pillar, and then transmit force to the vehicle body framework on the rear side of the cabin assembly 100, so that the force transmission effect of the cabin longitudinal beam 20 is improved. The first chamber 24 absorbs impact energy, thereby enhancing the overall crash performance of the vehicle and enhancing the torsional rigidity of the vehicle.

Further, a cowl reinforcement assembly 30 is attached to the front side of the cowl assembly 10, and the cowl reinforcement assembly 30 is attached to the two cabin stringers 20, the cowl reinforcement assembly 30, the cowl assembly 10, and the two cabin stringers 20 enclosing a second cavity 40. Specifically, the front wall reinforcing component 30 is located at the front side of the front wall component 10, and the front wall reinforcing component 30 is fixedly connected with the front side of the front wall component 10, so that a welding mode can be adopted, the operation is simple, the connection strength is high, the connection strength between the front wall reinforcing component 30 and the front wall component 10 is ensured, and the front wall reinforcing component 30 and the front wall component 10 are prevented from being separated due to insufficient strength in the using process of the vehicle. Both sides of the cowl reinforcement assembly 30 and the cowl assembly 10 are connected with the cabin longitudinal beam 20 to form a second chamber 40 between the cowl reinforcement assembly 30, the cowl assembly 10 and the cabin longitudinal beam 20, the second chamber 40 being located between the two first chambers 24, and cushioning the force of the collision. The extension lines of the two first chambers 24 and the second chamber 40 form a triangle, and the triangle is symmetrical relative to the central line of the width direction of the vehicle, so that the two first chambers 24 and the second chamber 40 form a triangular force transmission channel support, the force transmission effect of the vehicle is improved, and very strong protection is formed for passengers in the cab.

That is, when the vehicle is subjected to a frontal collision, the engine, the stack, and the like press the second chamber 40, and the second chamber 40 plays a role of cushioning for protecting the cab behind the dash panel assembly; the partial collision force is transferred to the lower areas of the left and right A columns through the left and right first chambers 24 on the left and right sides respectively, and is transferred to the body framework behind the vehicle, and the first chambers 24 and the second chambers 40 can better absorb the collision energy, so that the overall collision performance of the vehicle can be improved, and the torsional rigidity of the vehicle can be improved. The force transfer passage formed by the two first chambers 24 and the second chamber 40 enhances the force transfer effect of the vehicle and protects the occupants in the cab.

Therefore, the first chambers 24 on the left and right sides of the vehicle transmit the collision force to the rear side of the vehicle through the A column, the second chamber 40 is positioned between the two first chambers 24, and the first chambers 24 and the second chambers 40 can better absorb the collision energy, so that the overall collision performance of the vehicle can be improved, and the torsional rigidity of the vehicle can be improved. The two first chambers 24 and the second chamber 40 form a force transmission channel, and the force generated by the frontal collision of the vehicle is transmitted to the body framework at the rear of the vehicle, so that the vibration generated by the collision of the vehicle is reduced, and the riding experience of a user is improved.

As shown in fig. 5 and 6, the cowl assembly 10 includes: the front wall upper plate 11 and the front wall lower plate 12, the front wall upper plate 11 is located on the upper side of the front wall lower plate 12 and fixedly connected with the front wall lower plate 12, and the front wall upper plate 11 and the front wall lower plate 12 are fixedly connected with the cabin longitudinal beam 20 and the front wall reinforcing component 30. Specifically, the cowl top 11 and the cowl bottom 12 are fixedly connected, in the height direction, the cowl top 11 is located above the cowl bottom 12, both sides of the cowl top 11 in the width direction are abutted against the two cabin stringers 20, both sides of the cowl bottom 12 in the width direction are also abutted against the two cabin stringers 20, and the cowl top 11 and the cowl bottom 12 are fixedly connected with the cabin stringers 20 to form a second chamber 40 at the cowl assembly 10, the cowl reinforcement assembly 30 and the cabin stringers 20, the second chamber 40 is located at the front side of the cab, when the vehicle is subjected to a frontal collision, the engine, the galvanic pile and other components press the second chamber 40 first, and the first chamber 24 plays a role of buffering for protecting the cab behind the cowl assembly, thereby improving the riding experience of the user.

As shown in fig. 3 and 4, the cowl reinforcement assembly 30 includes: reinforcing plate 31 and stiffening beam 32, the upside and the preceding enclose upper plate 11 fixed connection of reinforcing plate 31, the downside of reinforcing plate 31 keep away from preceding enclose upper plate 11 and with stiffening beam 32's upside fixed connection, stiffening beam 32's downside and preceding enclose lower plate 12 fixed connection. That is, the reinforcing plate 31 is located in front of the front upper panel 11, the upper side of the reinforcing plate 31 is fixedly connected with the front upper panel 11, and the lower side of the reinforcing plate 31 is away from the front upper panel 11; the reinforcing plate 31 is located the top of stiffening beam 32, the downside of reinforcing plate 31 and the upside fixed connection of stiffening beam 32, the downside of stiffening beam 32 is close to preceding enclose subassembly 10, so that the downside of stiffening beam 32 and preceding enclose lower plate 12 fixed connection, in order to form second cavity 40 between preceding enclose subassembly 10, preceding enclose subassembly 30 and cabin longeron 20, namely, the enclosing formation has second cavity 40 between reinforcing plate 31, stiffening beam and cabin longeron 20 and preceding enclose upper plate 11 and preceding enclose lower plate 12, second cavity 40 plays the effect of transmitting force to the collision force in vehicle place ahead, second cavity 40 and the cabin longeron 20 butt of both sides, on the automobile body skeleton at the back of vehicle is passed on through the cabin longeron 20 of both sides, greatly reduced the vibration of driver's cabin department, the user in the protection driver's cabin.

As shown in fig. 5 and 6, the reinforcing plate 31 is inclined downward in the backward-forward direction, and a first flange 311 is provided on the upper side of the reinforcing plate 31, and the first flange 311 is fixedly connected to the cowl top 11. That is, the reinforcing plate 31 is inclined from top to bottom away from the cowl top 11, that is, the reinforcing plate 31 is inclined downward in a backward-to-forward direction, so that the reinforcing plate 31 is connected to the upper side of the reinforcement beam 32, a first flange 311 is designed on the side, connected to the cowl top 11, of the reinforcing plate 31, the first flange 311 is attached to the cowl top 11, the first flange 311 extends in the width direction of the vehicle, the contact area between the first flange 311 and the cowl top 11 is increased, and the first flange 311 is fixedly connected to the cowl top 11, in which a welding manner can be adopted, the operation is simple, the connection strength is high, the connection strength between the reinforcing plate 31 and the reinforcement beam 32 is ensured, when the vehicle is collided, the separation between the reinforcing plate 31 and the cowl top 11 is avoided, and the integrity of the cabin assembly 100 is ensured.

Alternatively, the lower side of the reinforcing plate 31 is provided with a second flange 312, and the second flange 312 is fixedly connected with the reinforcing beam 32. That is, the second flange 312 may be disposed on the side where the reinforcing plate 31 is connected to the reinforcing beam 32, where the second flange 312 is attached to the reinforcing beam 32, and the second flange 312 extends in the width direction of the vehicle, so as to increase the contact area between the second flange 312 and the reinforcing beam 32, and the second flange 312 is fixedly connected to the reinforcing beam 32, thereby ensuring the connection strength between the second flange 312 and the reinforcing beam 32, ensuring the connection strength between the reinforcing beam 32 and the reinforcing plate 31, and further improving the structural stability of the nacelle assembly 100.

Further, the reinforcement beam 32 is inclined downward in the front-to-rear direction, and a third flange 321 is provided on the lower side of the reinforcement beam 32, and the third flange 321 is fixedly connected to the cowl lower 12. That is, the lower side of the reinforcement beam 32 is disposed toward the cowl lower 12 such that the lower side of the reinforcement beam 32 is fixedly connected with the cowl lower 12 such that the cowl assembly 10, the cowl reinforcement assembly 30, and the cabin rail 20 constitute a second cavity 40. The third flanging 321 is arranged on the reinforcing beam 32, and the third flanging 321 extends in the width direction of the vehicle so as to increase the connection area between the third flanging 321 and the front lower plate 12, ensure the connection strength between the third flanging 321 and the front lower plate 12 and improve the structural integrity of the cabin assembly 100.

As shown in fig. 4, fourth flanges 322 are provided on both sides of the reinforcement beam 32 in the width direction, and the two fourth flanges 322 are fixedly connected to the two nacelle stringers 20. That is, the two sides of the reinforcement beam 32 in the width direction, that is, the two sides of the reinforcement beam 32 connected with the two cabin longitudinal beams 20 are provided with the fourth flanges 322, the fourth flanges 322 extend in the length direction of the vehicle, the two fourth flanges 322 are respectively abutted against the side surfaces of the two cabin longitudinal beams 20, and the fourth flanges 322 are fixedly connected with the cabin longitudinal beams 20, and can be connected in a welded manner, so that the connection strength of the reinforcement beam 32 and the cabin longitudinal beams 20 is ensured, and the structural reliability of the cabin assembly 100 is ensured.

As shown in fig. 4 and 6, the cowl reinforcement assembly 30 further includes: the front wall heat insulation board mounting bracket 33, the front wall heat insulation board mounting bracket 33 is arranged above the reinforcing plate 31 and is fixedly connected with the reinforcing plate 31. That is, the front wall heat insulation board mounting bracket 33 is used for mounting the front wall heat insulation board, the front wall heat insulation board mounting bracket 33 is located above the reinforcing plate 31, the front wall heat insulation board mounting bracket 33 is fixedly connected with the reinforcing plate 31, a reliable mounting position is provided for the front wall heat insulation board, and a screw connection or welding mode can be adopted to ensure the connection strength of the front wall heat insulation board mounting bracket 33 and the reinforcing plate 31, so that the mounting stability of the front wall heat insulation board is ensured.

As shown in fig. 2, the nacelle stringers 20 include: the cabin longitudinal beam inner plate 21 and the cabin longitudinal beam outer plate 22, the cabin longitudinal beam inner plate 21 is fixedly connected with the front wall assembly 10 and the front wall reinforcing assembly 30, and the cabin longitudinal beam inner plate 21 and the cabin longitudinal beam outer plate 22 are buckled to enclose a first cavity 24. Specifically, the cabin longitudinal beam inner panel 21 is located on the side of the cabin longitudinal beam 20 facing the inside of the vehicle, the cabin longitudinal beam outer panel 22 is located on the side facing the outside of the vehicle, and the inner side of the cabin longitudinal beam inner panel 21 is fixedly connected with the front wall assembly 10 and the front wall reinforcing assembly 30, so that the front wall assembly 10, the front wall reinforcing assembly 30 and the cabin longitudinal beam 20 form a whole. The cabin longitudinal beam outer plate 22 and the cabin longitudinal beam inner plate 21 are connected in a buckling manner, so that a first cavity 24 is formed between the cabin longitudinal beam outer plate 22 and the cabin longitudinal beam inner plate 21, and the first cavity 24 transmits the collision force born by the vehicle to a vehicle body framework behind the vehicle, so that the force transmission effect of the cabin assembly 100 is improved.

Further, the first chamber 24 includes: upper and lower cavities, the upper end of the second chamber 40 being located between the upper cavities 241 of the two nacelle stringers 20, and the lower end of the second chamber 40 being located between the lower cavities 242 of the two nacelle stringers 20. That is, due to the internal structural design of the cabin longitudinal beam 20, two cavities, namely, an upper cavity 241 and a lower cavity 242, are formed between the cabin longitudinal beam inner plate 21 and the cabin longitudinal beam outer plate 22, which are arranged at an upper-lower interval, the upper end of the second cavity 40 is clamped between the upper cavities 241 of the two cabin longitudinal beams 20, the lower end of the second cavity 40 is clamped between the two lower cavities 242, and the upper cavities 241 and the lower cavities 242 are arranged at an upper-lower interval, so that an upper force transmission channel and a lower force transmission channel are formed inside the cabin longitudinal beam 20, the force is better dispersed and transmitted to the A column and the threshold position respectively, and the force transmission effect of the cabin assembly 100 is improved.

Still further, the nacelle stringers 20 further include: the two stringer reinforcements 23, the two stringer reinforcements 23 are respectively disposed in the two first chambers 24 and fixedly connected with the cabin stringer inner panel 21. Specifically, a longitudinal beam reinforcement member 23 is arranged between the cabin longitudinal beam outer plate 22 and the cabin longitudinal beam inner plate 21, the longitudinal beam reinforcement member 23 is fixedly connected with the cabin longitudinal beam inner plate 21, and a cavity is formed between the longitudinal beam reinforcement member 23 and the cabin longitudinal beam inner plate 21, so that the cavity can better absorb impact energy, the overall collision performance of the vehicle can be improved, and the torsional rigidity of the vehicle is improved.

Further improving the force transfer performance of the nacelle stringers 20 and improving the force transfer effect of the nacelle assembly 100.

According to an embodiment of the second aspect of the present utility model, a vehicle includes: a nacelle assembly 100.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A nacelle assembly, comprising:

a front wall assembly (10);

the two cabin longitudinal beams (20) are respectively arranged at two sides of the width direction of the vehicle and fixedly connected with the front wall assembly (10), and a first cavity (24) is formed in the cabin longitudinal beams (20);

the front wall reinforcing assembly (30), the front wall reinforcing assembly (30) is connected to the front side of the front wall assembly (10) and is connected with the two cabin longitudinal beams (20), and the front wall reinforcing assembly (30), the front wall assembly (10) and the two cabin longitudinal beams (20) enclose a second cavity (40).

2. Nacelle assembly according to claim 1, wherein the cowl assembly (10) comprises: the front wall upper plate (11) and the front wall lower plate (12), the front wall upper plate (11) is located on the upper side of the front wall lower plate (12) and fixedly connected with the front wall lower plate (12), and the front wall upper plate (11) and the front wall lower plate (12) are fixedly connected with the cabin longitudinal beam (20) and the front wall reinforcing component (30).

3. Nacelle assembly according to claim 2, wherein the cowl reinforcement component (30) comprises: reinforcing plate (31) and stiffening beam (32), the upside of reinforcing plate (31) with preceding enclose upper plate (11) fixed connection, the downside of reinforcing plate (31) keep away from preceding enclose upper plate (11) and with the upside fixed connection of stiffening beam (32), the downside of stiffening beam (32) with preceding enclose lower plate (12) fixed connection.

4. A nacelle assembly according to claim 3, wherein the reinforcement plate (31), the reinforcement beam (32) and the nacelle stringers (20) are profiled with a second cavity (40) between the upper front panel (11) and the lower front panel (12).

5. Nacelle assembly according to claim 4, wherein the reinforcement plate (31) is arranged obliquely downwards in a backward-forward direction, the upper side of the reinforcement plate (31) is provided with a first flange (311), the first flange (311) is fixedly connected with the cowl top (11);

and/or the lower side of the reinforcing plate (31) is provided with a second flanging (312), and the second flanging (312) is fixedly connected with the reinforcing beam (32).

6. Nacelle assembly according to claim 5, wherein the stiffening beam (32) is arranged obliquely downwards in a front-to-back direction, a third flange (321) being arranged at the underside of the stiffening beam (32), the third flange (321) being fixedly connected to the front lower panel (12); and/or the number of the groups of groups,

fourth flanges (322) are arranged on two sides of the stiffening beam (32) in the width direction, and the two fourth flanges (322) are fixedly connected with the two cabin longitudinal beams (20).

7. A nacelle assembly according to claim 3, wherein the cowl reinforcement component (30) further comprises: the front wall heat insulation plate mounting bracket (33), the front wall heat insulation plate mounting bracket (33) is arranged above the reinforcing plate (31) and fixedly connected with the reinforcing plate (31).

8. Nacelle assembly according to claim 1, wherein the nacelle stringers (20) comprise: cabin longeron inner panel (21) and cabin longeron planking (22), cabin longeron inner panel (21) with enclose subassembly (10) before enclose reinforcing assembly (30) fixed connection, cabin longeron inner panel (21) with cabin longeron planking (22) looks lock to enclose first cavity (24).

9. Nacelle assembly according to claim 8, wherein the first chamber (24) comprises: the upper cavity (241) and the lower cavity (242), the upper cavity (241) and the lower cavity (242) are arranged at intervals, the upper end of the second cavity (40) is located between the upper cavities (241) of the two cabin stringers (20), and the lower end of the second cavity (40) is located between the lower cavities (242) of the two cabin stringers (20).

10. A vehicle, characterized by comprising: nacelle assembly (100) according to any of claims 1-9.