Interior top structure of rail transit vehicle

Abstract

The utility model discloses an interior top structure of a rail transit vehicle, which comprises a vehicle body, the top of the vehicle body is provided with a hanging arm, the bottom of the hanging arm is connected with a passenger room wire duct and a cross beam, the bottom of the cross beam is provided with an air outlet framework, and the bottom of the air outlet framework is provided with a lamp. The universal design of carriages of different grades is compatible, the design and development cost is reduced, and the assembly efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of rail transit vehicles, specifically, the utility model relates to a top structure of interior decoration of rail transit vehicle. BACKGROUND

[0002] At present, the domestic rail transit vehicle industrial design is more and more in line with the needs of the owners and the times, and the effect in the car is more and more warm and technological, especially the interior decoration of the car roof is integrated and a lot of beautification and optimization is done, which derives the characteristic decoration such as the blue sky and white cloud middle roof of Shenzhen No. 11 line, the ceiling design of Chongqing long single rail vehicle, the hidden light strip of Fuxing bullet train set, the hidden air outlet grille, the middle roof air supply and the like.

[0003] In order to meet the needs of setting different levels of carriages on the same train, such as the difference between business class and ordinary class of Fuxing bullet train or Shenzhen No. 11 line subway, the current roof interior decoration integrated structure does not have universal design, which leads to the need of redesigning and developing new structure design and developing multiple layout schemes, which not only increases the design time and procurement cost, but also leads to high assembly difficulty and low efficiency of the interior decoration structure of the carriage.

[0004] The utility model patent with publication number CN209683694U discloses a rail vehicle interior decoration mounting structure on November 26, 2019, which comprises an outer cover, a connecting column is penetrated in the inner side of the outer cover, two adjusting shafts are symmetrically arranged on the two sides of the connecting column, a through hole is formed at the midpoint of the adjusting shaft, a stirring plate is fixed on the side of the two adjusting shafts, a through hole is symmetrically formed on the surface of the connecting column, a fixed column is penetrated in the inner side of the through hole, and the two ends of the fixed column are penetrated through the through hole and the through hole to the outside of the adjusting shaft. The rail vehicle interior decoration mounting structure cannot solve the above-mentioned technical problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiency of prior art, and provides a universal design of compatible different levels of carriages, reduces the design and development cost, and improves the assembly efficiency of the top structure of interior decoration of rail transit vehicle.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme that:

[0007] The top structure of interior decoration of rail transit vehicle, including the car body, the car body top is equipped with the hanging arm, the hanging arm bottom is connected with the guest room line slot and the crossbeam, the crossbeam bottom is equipped with the air outlet framework, and the air outlet framework bottom is equipped with the lamp.

[0008] The crossbeam is bolted with the longitudinal beam, and the longitudinal beam is connected with the screen or the metal middle roof.

[0009] The air outlet framework is internally provided with an air outlet channel, and both sides of the air outlet framework are respectively provided with a side top plate and a side top plate, the lamp is located between the side top plate and the side top plate, the lamp and the side top plate are located below the air outlet channel, and the side top plate is in an inclined structure in cross section.

[0010] One end of the top of the lamp is bolted to the bottom of the air outlet framework, the other end of the top of the lamp is provided with a mounting block, one end of the bottom of the air outlet framework is provided with a mounting groove, the mounting block is matched with the mounting groove, and the contact end of the mounting block and the mounting groove is in an arc structure.

[0011] The vehicle body comprises an inclined portion, and the inclined portion and the bottom of the hanging arm are both provided with C-shaped grooves, and the C-shaped grooves are arranged in pairs.

[0012] The cross beam comprises a turning portion, and the air outlet framework and the longitudinal beam are located on both sides of the turning portion, and the longitudinal beam is higher than the air outlet framework.

[0013] The lamp comprises a lampshade and a shell, and the lampshade is clamped at both ends with the shell.

[0014] The technical effect of the utility model is that: the interior top structure of the rail transit vehicle adopts the utility model, the roof integrated structure is designed to be universal in different grades of carriages, can adapt to the layout scheme of the metal middle roof of the color screen in the business carriage and the ordinary carriage, does not need to increase the structure design, can effectively reduce the assembly, design working hours and development, procurement cost, and the structure is stable and reliable, occupies small space, and does not cause adverse effects on the appearance of the interior of the carriage. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present specification includes the following drawings, and the shown contents are respectively:

[0016] Figure 1 It is the sectional view of the utility model business carriage interior structure;

[0017] Figure 2 It is the sectional view of the utility model ordinary carriage interior structure;

[0018] Figure 3 It is the utility model business carriage air supply scheme schematic view;

[0019] Figure 4 It is the utility model ordinary carriage air supply scheme schematic view.

[0020] As shown in the figure, the label is: 1, hanging arm; 2, passenger room wire slot; 3, crossbeam; 4, air outlet framework; 5, passenger room lamp; 6, side top plate; 7, side top plate; 8, longitudinal beam; 9, screen; 10, metal middle top plate; 11, C-shaped groove; 12, air outlet channel; 13, mounting block; 14, mounting groove; 15, inclined part; 16, turning part; 17, lampshade; 18, shell; 19, protrusion; 20, groove; 21, connecting bolt. The arrow in the figure: air conditioner air direction. DETAILED DESCRIPTION

[0021] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, and the purpose is to help the technical personnel in the field to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present application, and to help them to implement.

[0022] As Figures 1 to 4 shown, the interior top structure of the rail transit vehicle includes a vehicle body, the top of the vehicle body is provided with a hanging arm 1, the bottom of the hanging arm 1 is connected with a passenger room wire slot 2 and a crossbeam 3, the bottom of the crossbeam 3 is provided with an air outlet framework 4, and the bottom of the air outlet framework 4 is provided with a lamp 5.

[0023] The above-mentioned components are general roof integrated structures, which are consistent in structure in business carriages and ordinary carriages. The hanging arm 1 is fastened on the C-shaped groove 11 of the vehicle body and serves as a structural member bearing the entire top load, which is compatible with the design of installing a color screen in a business carriage and the design of a metal middle top in an ordinary carriage, achieving general design and providing a layout scheme for replacing the traditional middle top plate with a large screen 9 in the interior of the rail vehicle. The structure is unified to the maximum extent, which reduces the design and development cost and is beneficial to rapid design and low procurement cost.

[0024] As Figures 1 to 4 shown, the crossbeam 3 is bolted with a longitudinal beam 8, and the longitudinal beam 8 is connected with a screen 9 or a metal middle top. In a business carriage, the screen 9 replaces the traditional metal middle top plate 10 and is arranged in the entire length of the carriage. The content of the screen 9 can be easily modified or customized at any time to meet the individual needs of users, avoiding the dullness of the conventional metal middle top plate 10 or the blue sky and white cloud lamp, and further improving the quality of the carriage interior.

[0025] As Figure 1 and Figure 2As shown, the air outlet framework 4 is internally provided with an air outlet channel 12, and the air outlet framework 4 is respectively provided with a side top plate 7 and a side top plate 6 on both sides, the lamp 5 is located between the side top plate 7 and the side top plate 6, the lamp 5 and the side top plate 6 are located below the air outlet channel 12, and the cross section of the side top plate 7 is an inclined structure. In the passenger compartment, the air outlet framework 4 serves as a metal framework structural member connecting the side top plate 7, the lamp 5 and the side top plate 6, communicates with the air conditioner air duct and serves as part of the air conditioner air duct, blows air into the passenger compartment by being internally provided with air holes. In the ordinary passenger compartment, the metal middle top plate 10 can be additionally provided with a transparent hole, and a sealing frame is arranged around the transparent hole, so that the air duct above the middle top plate can send air downward along the middle top plate. The inclined side top plate 7 and the side top plate 6 serve as air conditioner air guiding, the side top plate 6 serves as a shielding for the upper longitudinal beam 8, and the side top plate 7 serves as a shielding for the hanging arm 1 and the passenger compartment wire slot 2, thereby ensuring the aesthetics of the passenger compartment.

[0026] As shown in Figure 3 , one end of the top of the lamp 5 is bolted to the bottom of the air outlet framework 4, the other end of the top of the lamp 5 is provided with a mounting block 13, one end of the bottom of the air outlet framework 4 is provided with a mounting groove 14, the mounting block 13 cooperates with the mounting groove 14, and the contact end of the mounting block 13 and the mounting groove 14 is an arc structure. By using the clamping cooperation and bolt connection mode, the preliminary positioning can be realized by clamping during installation, the fixing of the connecting bolt 21 is facilitated, the operation convenience and assembly efficiency are improved, the contact surface of the mounting block 13 and the mounting groove 14 is arc-shaped, which is conducive to reducing stress concentration, avoiding structure fracture and improving installation stability.

[0027] As shown in Figure 1 and Figure 2 , the vehicle body includes an inclined portion 15, and the inclined portion 15 and the bottom of the hanging arm 1 are both provided with C-shaped grooves 11, and the C-shaped grooves 11 are arranged in pairs. The inclined portion 15 of the vehicle body is used to install the hanging arm 1, the inside part of the streamline-shaped vehicle head is used, the installation space in the vehicle is saved, the two C-shaped grooves 11 provided by the inclined portion 15 provide installation positions for the installation of the hanging arm 1, and the four C-shaped grooves 11 provided at the bottom of the hanging arm 1 facilitate the installation of the passenger compartment wire slot 2 and the cross beam 3, the C-shaped groove 11 has reliable structural strength and is fastened by a connecting piece, thereby meeting the stability requirements of the hanging arm 1, the passenger compartment wire slot 2 and the cross beam 3, and further improving the installation levelness and stability of the passenger compartment wire slot 2 and the cross beam 3.

[0028] As shown in Figure 1 and Figure 2 , the cross beam 3 includes a turning portion 16, the air outlet framework 4 and the longitudinal beam 8 are located on both sides of the turning portion 16, and the longitudinal beam 8 is higher than the air outlet framework 4. The turning portion 16 of the cross beam 3 raises the installation height of the longitudinal beam 8 and the screen 9 or the metal middle top plate 10, improves the space utilization, and thereby reduces the occupation of the indoor space of the passenger compartment.

[0029] As shown in Figure 3As shown, the lamp 5 includes a lampshade 17 and a shell 18, the lampshade 17 is clamped with the shell 18 at both ends. The lampshade 17 is provided with a lug 19 at both ends, and the shell 18 is provided with a recess 20 corresponding to the clamping of the mounting block 13, the lampshade 17 is convenient to install, and the clamping is reliable.

[0030] The interior top structure of the rail transit vehicle, and the roof integrated structure is universalized in design in different grades of carriages, can adapt to the layout scheme of the color screen in the business carriage and the metal middle roof in the ordinary carriage, does not need to increase the structure design in the installation process, can effectively reduce the assembly, design man-hours and development, procurement cost, and is stable and reliable in structure, small in occupied space, and does not cause adverse effects on the appearance of the interior of the carriage.

[0031] The utility model is exemplarily described above in combination with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model is directly applied to other occasions without improvement, all of them are within the protection scope of the utility model.

Claims

1. An interior roof structure for a rail transit vehicle, characterized in that: The vehicle includes a vehicle body, on the top of which is provided a hanging arm (1), and the bottom of the hanging arm (1) is connected to a passenger compartment cable tray (2) and a crossbeam (3). The bottom of the crossbeam (3) is provided with an air outlet frame (4), and the bottom of the air outlet frame (4) is provided with a lamp (5).

2. The interior roof structure of the rail transit vehicle according to claim 1, characterized in that: The crossbeam (3) is bolted to a longitudinal beam (8), and the longitudinal beam (8) is connected to a screen (9) or a metal top.

3. The interior roof structure of the rail transit vehicle according to claim 2, characterized in that: The air outlet frame (4) is provided with an air outlet channel (12) inside. The air outlet frame (4) is provided with a side top plate (7) and a side top plate (6) on both sides. The lamp (5) is located between the side top plate (7) and the side top plate (6). The lamp (5) and the side top plate (6) are located below the air outlet channel (12). The side top plate (7) has an inclined cross-section.

4. The interior roof structure of a rail transit vehicle according to any one of claims 1-3, characterized in that: The top end of the lamp (5) is bolted to the bottom of the air outlet frame (4), and the other end of the top of the lamp (5) is provided with a mounting block (13). The bottom end of the air outlet frame (4) is provided with a mounting groove (14). The mounting block (13) and the mounting groove (14) cooperate with each other. The contact end of the mounting block (13) and the mounting groove (14) is an arc-shaped structure.

5. The interior roof structure of the rail transit vehicle according to claim 4, characterized in that: The vehicle body includes an inclined section (15), and both the inclined section (15) and the bottom of the hanging arm (1) are provided with C-shaped grooves (11), which are arranged in pairs.

6. The interior roof structure of the rail transit vehicle according to claim 5, characterized in that: The crossbeam (3) includes a turning part (16), the air outlet frame (4) and the longitudinal beam (8) are located on both sides of the turning part (16), and the longitudinal beam (8) is higher than the air outlet frame (4).

7. The interior roof structure of a rail transit vehicle according to claim 1, characterized in that: The lamp (5) includes a lampshade (17) and a housing (18), with both ends of the lampshade (17) snapped into the housing (18).

Images