A decorative cover structure on both sides of the roof of a train set

Abstract

The present invention proposes a decorative cover structure on both sides of the roof of an EMU, which is provided with an independent air supply module on the decorative cover, fundamentally solving the problem that passengers in the business district cannot enjoy independent fresh air vents. At the same time, the advantage of the present invention over the existing decorative cover structure is that the upper part of the structure adopts a hook method, and the decorative cover can be opened as a whole by removing the lower screws, and the seat display and side wall panel rolling curtain mechanism integrated in the decorative cover can be maintained without removing the decorative cover, which reduces the difficulty of maintenance and greatly improves the maintenance work efficiency, making the decorative cover operation more convenient.

Description

Technical Field

[0001] The invention belongs to the technical field of rail vehicle interior decoration, and in particular relates to a decorative cover plate structure on both sides of a roof of an EMU. Background Art

[0002] At present, the existing EMU business area decorative cover structures do not have the function of independently supplying air to passengers. At the same time, it is difficult to disassemble and assemble the decorative cover panels on both sides of the roof of the existing EMU business area. When inspecting the seat display and the side wall roller shutter mechanism, the decorative cover panels need to be completely removed. The specific removal workload is large, which brings great difficulties to repair and maintenance. In addition, the existing decorative cover panels are connected to the side wall panels by plug-in, and the vehicle is prone to abnormal noise during operation, which greatly reduces the comfort of the business area riding environment. In summary, it is necessary to study a new decorative cover panel structure to solve the above problems. Summary of the invention

[0003] The present invention aims to solve the problems that the decorative cover structure in the business area of ​​an EMU cannot supply air independently, the workload of disassembly and assembly is large, maintenance is inconvenient, and abnormal noise occurs during driving, thereby providing a decorative cover structure on both sides of the roof of an EMU, so that passengers in the business area can enjoy independent fresh air inlets, which is easy to disassemble and assemble, reduces the difficulty of maintenance and greatly improves the efficiency of maintenance work, makes the decorative cover operation more convenient, and avoids the generation of abnormal noise.

[0004] In order to achieve the above-mentioned invention object, the present invention provides a decorative cover plate structure on both sides of the roof of an EMU, characterized in that it includes a supporting frame structure, a decorative cover plate, a transition connecting plate, and an independent air supply unit;

[0005] The support profile is a cavity structure, the upper part of the side facing the inside of the car is provided with a semicircular flange, and the side cavity facing the outside of the car is provided with an oblong hole for connecting and adjusting with the car body slide groove; the upper part of the support profile is fixedly connected to the side top connecting angle iron, and a gap for inserting the side top is left between the side top connecting angle iron and the semicircular flange; the lower part of the support profile is fixedly connected to the column, and the lower end of the column is bent;

[0006] The upper end of the decorative cover plate is a semicircular hook, and the lower end is provided with a flange. The semicircular hook is hung on the upper flange of the supporting profile and can rotate around it; the flange at the lower end of the decorative cover plate is detachably connected to the bend at the lower end of the column; the lower part of the decorative cover plate is provided with an oblong through hole for installing the air outlet mounting seat, the independent air supply unit is installed in the air outlet mounting seat, and the independent air supply unit is connected to the vehicle body air supply outlet.

[0007] Furthermore, the decorative cover plate includes an upper decorative cover plate component, a middle decorative cover plate component, and a lower decorative cover plate component; the upper decorative cover plate component is mainly a hook-type profile; the middle decorative cover plate component is in the shape of a plate, on which a seat number is provided; the lower decorative cover plate component is mainly an inverted F-shaped profile, and a plurality of oblong through holes are provided at the lower part of the inverted F-shaped profile for installing an air outlet mounting seat, and a flange is provided at the lower end of the inverted F-shaped profile, and the lower end flange is fixedly connected to the bend at the lower end of the column, and the lower flange of the upper decorative cover plate component and the middle flange of the inverted F-shaped profile of the lower decorative cover plate component are connected through a transition connecting plate.

[0008] Furthermore, a T-shaped groove in the length direction is provided on the outer side of the semicircular flange of the supporting profile, and a decorative cover plate stop strip is inserted into the T-shaped groove.

[0009] Furthermore, a portion of the side cavity facing the outside of the vehicle compartment is machined away, leaving more than two independent cavities, and each cavity is provided with a vertical oblong hole for connecting to a vehicle body slide groove.

[0010] Furthermore, the middle part of the decorative cover plate includes a color-changing and light-transmitting PVC board, a seat display, a PVC film, and a seat number. The seat display is tightly fitted to the color-changing and light-transmitting PVC board, the PVC film is bonded to the entire outer surface of the color-changing and light-transmitting PVC board, and the seat number is carved out on the upper surface of the PVC film by an engraving machine.

[0011] The advantage of the present invention is that it proposes a decorative cover structure on both sides of the roof of an EMU, and the structure is provided with an independent air supply module on the decorative cover, which fundamentally solves the problem that passengers in the business district cannot enjoy independent fresh air vents. At the same time, the advantage of the present invention over the existing decorative cover structure is that the upper part of the structure adopts a hook method, and the decorative cover can be opened as a whole by removing the lower screws, and the seat display and side wall panel rolling shutter mechanism integrated in the decorative cover can be maintained without removing the decorative cover, which reduces the difficulty of maintenance and greatly improves the efficiency of maintenance work, making the decorative cover operation more convenient. The present invention adopts the upper hanging and lower screw connection method to fix, which provides the overall structural firmness of the decorative cover, fundamentally solves the problem of abnormal noise of the decorative cover in the business district, and makes the riding environment more comfortable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is the structural assembly diagram of the decorative cover panels on both sides of the EMU roof;

[0013] Figure 2 It is the assembly diagram of the supporting frame structure;

[0014] Figure 3 This is an enlarged picture of the stop strip of the decorative cover;

[0015] Figure 4 It is a schematic diagram of the structure of the back side of the decorative cover plate;

[0016] Figure 5 It is a schematic diagram of the upper structure of the decorative cover plate;

[0017] Figure 6 It is a schematic diagram of the middle structure of the decorative cover plate;

[0018] Figure 7 It is a schematic diagram of the lower structure of the decorative cover plate;

[0019] Figure 8 This is a schematic diagram of the front structure of the decorative cover;

[0020] Among them: 1. Support frame structure; 2. Upper component of decorative cover; 3. Middle component of decorative cover; 4. Lower component of decorative cover; 5. Transition connecting plate; 6. Independent air supply unit;

[0021] 101. Support profile; 102. Side top connecting angle iron; 103. Decorative cover plate stop strip; 104. Column; 105. Spring clip locking nut; 106. Oblong hole; 201. Hook-type profile; 202. Light strip plug; 203. Light strip cover; 204. Smart light strip; 301. Color-changing and light-transmitting PVC board; 302. Seat display; 303. Connection angle code; 304. PVC film; 305. Seat number; 401. Inverted F-shaped profile; 402. Decorative cover; 403. Cylindrical lamp tube cover; 404. Wire tie holder; 405. Air outlet mounting seat. DETAILED DESCRIPTION

[0022] Reference Figure 1 The decorative cover structure on both sides of the EMU roof includes a supporting frame structure 1, a decorative cover, a transition connecting plate 5, and an independent air supply unit 6.

[0023] Reference Figure 2The supporting frame structure 1 includes a supporting profile 101, a side top connection angle iron 102, a decorative cover plate stop rubber strip 103, a column 104, and a spring clip locking nut 105. The supporting profile 101 is a cavity structure, and a semicircular flange is provided on the upper part of the side facing the interior of the car body. A T-shaped groove in the length direction is provided on the outer side of the semicircular flange for plugging the decorative cover plate stop rubber strip 103. In order to reduce weight, a part of the side cavity facing the outside of the car body is processed at intervals, and seven independent cavities are retained. Three vertical oblong holes 106 are provided in each cavity for connection and adjustment with the car body slide. The upper part of the supporting profile 101 is fixedly connected to the side top connection angle iron 102 by bolts, and the business area side top is plugged into the gap between the side top connection angle iron 102 and the decorative cover plate. The horizontal oblong hole on the side top connection angle iron 102 is convenient for adjusting the side top in the width direction of the car body, and the rubber sheath thereon prevents abnormal noise after the side top is plugged in. The lower part of the supporting profile 101 is connected to the column 104 by screws. The lower end of the column 104 is bent, and a connecting hole is provided at the bent part. The spring clip locking nut 105 is connected to the column 104 by plugging, which is convenient for disassembly.

[0024] The decorative cover plate includes a decorative cover plate upper component 2, a decorative cover plate middle component 3, and a decorative cover plate lower component 4. The upper end of the decorative cover plate is a semicircular hook, and the lower end is provided with a flange, the semicircular hook is hung on the upper flange of the supporting profile 101, and the flange at the lower end of the decorative cover plate is fixedly connected to the lower end bend of the column 104.

[0025] The upper component 2 of the decorative cover plate includes a hook-type profile 201, a light strip plug 202, a light strip cover 203, and an intelligent light strip 204. The main body of the upper component 2 of the decorative cover plate is a hook-type profile 201, and a full-length semicircular hook is arranged on the upper part of the hook-type profile 201 for connecting with the upper flange of the support profile 101. The intelligent light strip 204 component is connected and fixed with the upper groove of the hook-type profile 201 by screws; the light strip plug 202 is fixedly connected with the light strip cover 203 by interference fit and glue bonding. The light strip cover 203 is fixed in the upper groove of the hook-type profile 201 by plugging. An oblong hole is arranged in the upper groove of the hook-type profile 201 to facilitate the threading of the light strip. The lower part of the hook-type profile 201 is provided with vertical oblong holes with equal spacing to facilitate the bolt connection between the middle component 3 of the decorative cover plate and the upper component 2 of the decorative cover plate. The light strip cover 203 is provided with a flange on each side, so as to be plugged into the groove above the hook-type profile 201 .

[0026] The middle component 3 of the decorative cover is in the shape of a plate, including a color-changing light-transmitting PVC plate 301, a seat display 302, a connecting angle code 303, a PVC film 304, and a seat number 305. The color-changing light-transmitting PVC plate 301 is connected to the lower flange of the hook-type profile 201 by screws, and the connecting angle code 303 is fixedly connected to the rear flange of the hook-type profile 201 by riveting. The seat display 302 is fixedly connected to the connecting angle code 303 by bolts, and the seat display 302 is tightly fitted to the color-changing light-transmitting PVC plate 301. The PVC film 304 is bonded to the entire outer surface of the color-changing light-transmitting PVC plate 301, and the PVC film 304 is sandwiched between the color-changing light-transmitting PVC plate 301 and the lower flange of the hook-type profile 201, which is more beautiful. The seat number 305 is engraved and milled on the upper surface of the PVC film 304 by an engraving machine.

[0027] The lower component 4 of the decorative cover plate includes an inverted F-shaped profile 401, a decorative cover 402, a cylindrical lamp tube cover 403, a wire tie seat 404, and an air outlet mounting seat 405. The main body of the lower component 4 of the decorative cover plate is the inverted F-shaped profile 401, the rear flange of the inverted F-shaped profile 401 is connected to the transition connecting plate 5 by riveting, and the upper flange of the inverted F-shaped profile 401 is connected to the color-changing and light-transmitting PVC plate 301 by screws. The cylindrical lamp tube cover 403 is inserted into the lower groove of the inverted F-shaped profile 401 to achieve fixation. After the lamp is installed, the decorative cover 402 is glued and fixed to the end of the cylindrical lamp tube cover 403 by glue to achieve the end blocking of the cylindrical lamp tube. The wire tie seat 404 is glued to the inverted F-shaped profile 401, and the air outlet mounting seat 405 is fixedly connected to the inverted F-shaped profile 401 by welding.

[0028] A hidden groove is provided below the inverted F-shaped profile 401 for plugging in the cylindrical lamp cover 403. The lower flange of the inverted F-shaped profile 401 is used to connect the decorative cover plate as a whole with the column 104. Six long round through holes are provided at the lower part of the inverted F-shaped profile 401 for installing the air outlet mounting seat 405. The cylindrical lamp cover 403 is provided with symmetrical flanges for clamping and locking with the hidden groove provided below the inverted F-shaped profile 401. The inverted F-shaped profile 401 is provided with grooves in the seat number area to facilitate the full display of the seat numbers. The sloped surface on the air outlet mounting seat 405 can realize independent air supply to passengers in the business area at all angles. The independent air supply unit 6 is fixedly installed in the air outlet mounting seat 405 by bolts. A flange is provided at the lower end of the inverted F-shaped profile 401, and the lower end flange is connected to the lower end bend of the column 104 by bolts, which is convenient for disassembly. After removing the bolts, the decorative cover plate is flipped.

[0029] The upper part of the middle component 3 of the decorative cover plate is connected to the lower edge of the upper component 2 of the decorative cover plate by screws, and the lower part of the middle component 3 of the decorative cover plate is connected to the upper edge of the lower component 4 of the decorative cover plate by screws; the lower flange of the upper component 2 of the decorative cover plate is connected to the transition connecting plate 5 by rivets, and the middle flange of the inverted F-shaped profile of the lower component 4 of the decorative cover plate is fixed to the transition connecting plate 5 by rivets; finally, the upper component 2 of the decorative cover plate and the lower component 4 of the decorative cover plate are fixed to the middle component 3 of the decorative cover plate through the transition connecting plate 5 to form a frame structure, which increases the strength. The independent air supply unit 6 is fixed to the lower component 4 of the decorative cover plate by bolts, and the independent air supply unit 6 is connected to the air supply port of the vehicle body, so as to realize the function of independent air supply for passengers in the business area.

[0030] The upper component 2 of the decorative cover is hung on the semicircular flange of the upper part of the supporting frame structure 1 through the upper semicircular hook and can rotate around it. The lower end of the inverted F-shaped profile 401 of the lower component 4 of the decorative cover is connected to the bolt connection hole of the lower column 104 of the supporting frame structure 1 through a countersunk screw and fixed by a spring clip locking nut 105. Finally, the independent air supply type convenient decorative cover of the business area of ​​the EMU is independently connected to the car body. The upper component 2 of the decorative cover is hung on the semicircular flange of the upper part of the supporting frame structure 1 through the upper semicircular groove, and the function of independently opening the decorative cover can be realized at the same time, which is convenient for the maintenance of the decorative cover seat display and the side wall roller shutter mechanism. The semicircular cavity of the decorative cover stop rubber strip 103 generates a tightening force after compression deformation, realizing the limit of the decorative cover in the locked state, and the decorative cover cannot move along the width direction of the car.

Claims

1. A decorative cover structure on both sides of the roof of an EMU, characterized in that: It comprises a supporting frame structure (1), a decorative cover plate, a transition connecting plate (5), and an independent air supply unit (6); the supporting frame structure (1) comprises a supporting profile (101), a side top connecting angle iron (102), and a column (104); The support profile (101) is a cavity structure, the upper part of the side facing the inside of the carriage is provided with a semicircular flange, and the side cavity facing the outside of the carriage is provided with an oblong hole (106) for connecting and adjusting with the vehicle body slide groove; the upper part of the support profile (101) is fixedly connected to the side top connecting angle iron (102), and a gap for inserting the side top is reserved between the side top connecting angle iron (102) and the semicircular flange; the lower part of the support profile (101) is fixedly connected to the column (104), and the lower end of the column (104) is bent; The upper end of the decorative cover plate is a semicircular hook, and the lower end is provided with a flange, the semicircular hook is hung on the upper flange of the supporting profile (101) and can rotate around it; the flange at the lower end of the decorative cover plate is detachably connected to the bend at the lower end of the column (104); the lower part of the decorative cover plate is provided with an oblong through hole for installing the air outlet mounting seat (405), the independent air supply unit (6) is installed in the air outlet mounting seat (405), and the independent air supply unit (6) is connected to the vehicle body air supply outlet.

2. The roof decorative cover structure on both sides of an EMU according to claim 1, characterized in that: The decorative cover plate comprises a decorative cover plate upper component (2), a decorative cover plate middle component (3), and a decorative cover plate lower component (4); the decorative cover plate upper component (2) is mainly a hook-type profile (201); the decorative cover plate middle component (3) is in the shape of a plate and is provided with seat numbers; the decorative cover plate lower component (4) is mainly an inverted F-shaped profile (401), a plurality of oblong through holes are provided at the lower part of the inverted F-shaped profile (401) for installing an air outlet mounting seat (405), a flange is provided at the lower end of the inverted F-shaped profile (401), the lower flange is fixedly connected to the lower end bend of the column (104), and the lower flange of the decorative cover plate upper component (2) and the middle flange of the inverted F-shaped profile of the decorative cover plate lower component (4) are connected through a transition connecting plate (5).

3. The roof decorative cover structure on both sides of an EMU according to claim 1, characterized in that: The outer side of the semicircular folded edge of the supporting profile (101) is provided with a T-shaped groove in the length direction, and the decorative cover plate stop rubber strip (103) is inserted into the T-shaped groove.

4. The roof decorative cover structure on both sides of an EMU according to claim 1, characterized in that: A portion of the side cavity of the supporting profile (101) facing the outside of the vehicle compartment is machined away to retain more than two independent cavities, each of which is provided with a vertical oblong hole (106) for connecting to a vehicle body slide groove.

5. The roof decorative cover structure on both sides of an EMU according to claim 2, characterized in that: The middle component 3 of the decorative cover plate comprises a color-changing light-transmitting PVC plate (301), a seat display (302), a PVC film (304), and a seat number (305); the seat display (302) is tightly fitted to the color-changing light-transmitting PVC plate (301); the PVC film (304) is bonded to the entire outer surface of the color-changing light-transmitting PVC plate (301); and the seat number (305) is engraved on the upper surface of the PVC film (304) by an engraving machine.

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