Sliding shutter used in passenger cabin of airplane

Abstract

The utility model discloses a sliding shutter used in an airplane passenger cabin, which comprises a back plate, a transparent window plate, a trumpet-shaped transition decorative plate, a window shade assembly, a shielding plate and a transparent panel, the edge of the back surface of the back plate is sunken along the periphery to form a convex strip-shaped convex frame on the front surface of the back plate, a window is arranged on the back plate, and the window shade assembly is arranged on the window. The transparent window plate is installed on the back face of the back plate and covers the window, the transition decoration plate is fixed to the back face of the transparent window plate, the window shade assembly comprises a frame, a window shade and a transmission mechanism, the periphery of the front edge of the frame is provided with a groove edge, the back face of the frame is fixed to a convex frame of the back plate, and the shading plate and the transparent panel are clamped in a clamping groove of the frame. The transparent panel is located on the inner side of the shielding plate. According to the utility model, the back plate conforming to the size of the fuselage structure is adopted to meet the aesthetic property of use in the passenger cabin of the airplane, the aesthetic property is increased by additionally arranging the transition decorative plate matched with the fuselage structure, and the transparent window plate is additionally arranged and is sealed at the window opening position of the back plate through glue to mount the transition plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sliding type louver used in the passenger cabin of an airplane. BACKGROUND

[0002] The louver used in the passenger cabin of an airplane is a part of the interior decoration of the passenger cabin, and its main function is to shield the fuselage structure and other components as the decoration of the passenger cabin and to provide the passengers in the passenger cabin with light shielding function. At present, the side wall panel with a light shielding plate is commonly used in the passenger cabin of the mainstream airlines, and the electric motor driven louver is used for regulation and control on a small number of business airplanes.

[0003] The side wall panel with a light shielding plate is made of a composite material as the main body and covered with a surface decoration material and a structural mounting piece. The commonly used installation methods include adhesive installation, fastener installation and buckle installation. There are corresponding side wall panel mounting brackets on the fuselage structure, and the lower part is connected through an air return grille bracket. This kind of side wall panel has a single shape and poor aesthetic appearance. When disassembled, the seat is not independent of each other, the disassembly cost is high, and it is not convenient to maintain and replace.

[0004] The electric motor driven louver generally adopts a honeycomb curtain as a light shielding curtain. Drive rails are installed on both sides of the light shielding curtain. The drive rails are driven by an electric motor to rotate, thereby driving the light shielding curtain to be retracted and unfolded. This design is relatively complex, uses more parts, is heavy, and the use of the motor can cause reliability problems. SUMMARY

[0005] The utility model aims at providing a sliding type louver used in the passenger cabin of an airplane, which has simple structure, low cost, good appearance, easy disassembly and assembly and easy use.

[0006] The utility model realizes the purpose by the following technical measures: a sliding type louver used in the passenger cabin of an airplane, characterized by comprising a back plate, a transparent window plate, a horn-shaped transition decoration plate, a light shielding curtain assembly, a frame-shaped shielding plate and a transparent panel. The back surface edge of the back plate is recessed along the periphery to form a convex frame-shaped convex frame on the front surface of the back plate. A window corresponding to the structure window of the airplane is arranged on the back plate. The transparent window plate is installed on the back surface of the back plate and covers the window. The larger end of the transition decoration plate is fixed on the back surface of the transparent window plate. The light shielding curtain assembly comprises a frame, a light shielding curtain installed on the back surface of the frame and a transmission mechanism arranged on the back surface of the frame and linked with the light shielding curtain. The front surface edge of the frame has a groove along the periphery. The back surface of the frame is fixed on the convex frame of the back plate. The shielding plate and the transparent panel are clamped in the clamping groove of the frame, and the transparent panel is located on the inner side of the shielding plate.

[0007] The utility model discloses a backboard which meets the structure size of the fuselage to satisfy the aesthetic appearance used in the passenger cabin of the airplane, and the transition decorative plate which can match the structure of the fuselage is additionally installed to increase the aesthetic appearance, and the transparent window plate is additionally installed to be sealed by glue at the window opening of the backboard to install the transition plate.

[0008] The utility model discloses the window on the backboard is two and with adjacent two aircraft structure window corresponding, corresponding, the transparent window plate, transition decorative plate, shade curtain subassembly, shade and transparent panel are two respectively.

[0009] The utility model discloses a transmission mechanism includes steel cable, yarn, install operating handle on the upper end of backboard, a pair of yarn adjusting block and a pair of yarn adjusting hole, the steel cable is connected with shade curtain transmission and the both ends of steel cable are connected with operating handle, the upper end of shade curtain is connected on the top edge of frame through support, and two yarns extend along the both sides of shade curtain respectively, and its upper end is fixed on the support, and the lower end is connected with the pair of yarn adjusting block respectively, the pair of yarn adjusting block can be slidably installed on the both ends of the bottom edge of frame and can be positioned to carry out tightness adjustment to yarn, and the both ends of the bottom edge of the convex frame of backboard are equipped with the yarn adjusting hole corresponding with two yarn adjusting blocks.

[0010] The utility model discloses a plurality of fixed holes are equipped on the both sides of the convex frame of backboard, and a plurality of sliding blocks are slidably installed on the both sides of the back of frame, the sliding block and fixed hole are one to one, and the connecting hole is equipped on the sliding block, the connecting hole on the sliding block is opposite with the corresponding fixed hole by the fastener when the sliding block slides in place and is screwed and is connected together with the frame and backboard.

[0011] The utility model discloses a relief hole is equipped on the top surface of the both ends of the bottom edge of the frame of backboard, and the relief block is installed in the relief hole. The relief hole can keep the air pressure inside the window consistent with the air pressure outside the window, meeting the requirements of the airworthiness provisions.

[0012] The utility model discloses a window local layer with middle opening is additionally arranged between the backboard and the transparent window plate, the window local layer is attached on the back of backboard and its opening corresponds with the window, and the middle local layer is arranged on the back of backboard and located between the two windows.

[0013] The utility model discloses the backboard installs the soundproofing cotton on the back.

[0014] The utility model discloses the recess is equipped in the top edge of the convex frame of backboard, and the operating handle is installed in the recess, and the limiting felt hole is opened on the bottom surface of recess, and the limiting felt is arranged in the limiting felt hole to limit the movement track of operating handle and further limit the movement stroke of shade curtain, and the flange edge that can be cut is arranged on the backboard.

[0015] The back surface of the shutter is provided with anti-abrasion strips, and the steel cable is in contact with the anti-abrasion strips.

[0016] The bottom of the sliding block is provided with a rubber base to increase the abrasion resistance.

[0017] The light-shielding curtain comprises a main body of a full-shading honeycomb curtain and a fireproof layer covering the outer side surface of the main body.

[0018] Compared with the prior art, the utility model has the following remarkable effects:

[0019] (1) the utility model discloses a back plate that meets the structure size of the fuselage to meet the aesthetic appearance used in the passenger cabin of the airplane, adds a pressure relief hole and replaces the material of the light-shielding curtain to meet the demand of the airworthiness clause, adds a limiting felt and a flange edge that can be cut to realize positioning adjustment during installation, ensures to provide a sliding shutter that can be used in the passenger cabin of the airplane and has aesthetic appearance and functionality, adds soundproof cotton and a local layer on the back plate to realize the noise reduction and shock absorption function in the passenger cabin of the airplane, adds a moving slider that is clamped in the frame to make the assembly of the shutter more convenient and easy to maintain, increases the fault tolerance during assembly, adds a transition decorative plate that can match the structure of the fuselage to increase the aesthetic appearance, adds a transparent window plate that is sealed by glue on the window opening of the back plate to install the transition plate, and the structure of the shutter frame and the transmission mechanism is also optimized in function.

[0020] (2) the utility model meets the airworthiness clause and can be used on the airplane, has aesthetic appearance, adjustable space, better transmission effect, adjustable transmission mechanism, can keep the air pressure inside and outside the window consistent, has soundproofing and shock absorption, and is convenient to assemble and disassemble.

[0021] (3) the utility model has simple structure, low cost, is convenient to assemble and install, is easy to use, and has wide applicability. BRIEF DESCRIPTION OF DRAWINGS

[0022] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0023] Fig. 1 is the front view of the back plate of the utility model;

[0024] Fig. 2 is the back view of the back plate of the utility model;

[0025] Fig. 3 is the structure explosion schematic view of the utility model;

[0026] Fig. 4 is the structure schematic view of the light-shielding curtain assembly of the utility model;

[0027] Fig. 5It is the structural schematic view (display back) of the utility model.

[0028] In the figure: 1-back plate, 2-transparent window board, 3-transition decorative board, 4-shading curtain assembly, 5-shading board, 6-transparent panel, 7-convex frame, 8-recess, 9-window, 10-window local layer, 11-intermediate local layer, 12-sound insulation cotton, 13-frame, 14-shading curtain, 15-clamping groove, 16-steel cable, 17-sliding block, 19-yarn adjusting block, 20-yarn adjusting hole, 21-pressure relief hole, 22-abrasion-proof strip, 23-groove, 24-limit felt hole, 25-yarn, 26-bracket, 27-fixing hole, 28-gasket. DETAILED DESCRIPTION

[0029] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] As Figs. 1-5The utility model relates to a kind of sliding louver used in aircraft passenger cabin, including backplate 1, window local ply 10 of middle hole, long strip middle local ply 11, soundproof cotton 12, transparent window plate 2, horn-shaped transition decorative plate 3, shade curtain assembly 4, frame-shaped shade 5 and transparent panel 6, the back surface edge of backplate 1 is recessed into recess 8 along the periphery and forms convex frame 7 of convex strip on the front surface of backplate 1, two windows 9 corresponding with adjacent two aircraft structure windows are provided on backplate 1 and located in the area surrounded by convex frame 7, window local ply 10 is pasted on the back surface of backplate 1 and its hole corresponds with window 9, middle local ply 11 is pasted on the back surface of backplate 1 and located between two windows 9, soundproof cotton 12 is installed on the rest area of the back surface of backplate 1, and the noise reduction and shock absorption function in aircraft passenger cabin is realized by increasing soundproof cotton and local ply on backplate. Window local ply 10 and middle local ply 11 are local ply reinforcement at the position of window frame opening, transparent window plate 2 is installed on window local ply 10 and covers window 9, which not only increases the aesthetic appearance but also provides a position for the installation of transition decorative plate, the larger end of transition decorative plate 3 is fixed on the back surface of transparent window plate 2, transition decorative plate 3 and fuselage structure can be matched with each other to increase the aesthetic appearance, transition decorative plate 3 is made of composite material, which is used to connect louver and fuselage structure window and shield the gap behind window frame. Shade curtain assembly 4 includes frame 13, shade 14 installed on the back surface of frame 13 and transmission mechanism arranged on the back surface of frame 13 and linked with shade 14, convex frame 7 around backplate 1 leaves installation space for shade and transmission mechanism, the front edge of frame 13 has clamping groove 15 around, the back surface of frame 13 is fixed on convex frame 7 of backplate 1, shade 5 and transparent panel 6 are clamped in clamping groove 15 of frame 13, and transparent panel 6 is located on the inner side of shade 5.

[0031] The size of backplate is customized according to the structure of different models of aircraft, the length covers two structure windows of aircraft and the bulkhead where the structure windows are located, the inclination and arc length of backplate are determined according to the built-in components needed to be shielded on aircraft, and backplate conforms to the size of fuselage structure, which can meet the aesthetic appearance used in aircraft passenger cabin.

[0032] In the embodiment, two windows 9 are provided on backplate 1, corresponding with adjacent two aircraft structure windows, and correspondingly, transparent window plate 2, transition decorative plate 3, shade curtain assembly 4, shade 5 and transparent panel 6 are also two respectively.

[0033] The transmission mechanism comprises a steel cable 16, yarns 25, an operating handle (not shown in the figure) mounted on the upper end of the back plate 1, a pair of yarn adjusting blocks 19 and a pair of yarn adjusting holes 20, the steel cable 16 is in transmission connection with the shade 14 and the two ends of the steel cable 16 are connected with the operating handle (the function of the steel cable is to drive the shade to be retracted and lowered, and the steel cable is fixed on the side of the shade track pasted on the shade; only one side of the steel cable is connected with the shade, and the connection mode is that the steel cable is pressed on the shade track below the shade through a small pressing block, the fixed support has a slot, the small pressing block also has a slot, the slots are overlapped, and the steel cable is clamped therebetween, which is the prior art), the upper end of the shade 14 is connected with the top edge of the frame 13 through a support 26 (the shade is pasted on the shade track below the shade, the shade track provides fixation for the steel cable and the yarn and provides guiding function for the yarn to control the left-right balance of the shade, and the shade track is only pasted with the shade and connected with the single-side steel cable through a fastener), the two yarns 25 extend along the two sides of the shade 14 (the yarns pass through the inside of the shade and are used to keep the left-right balance of the shade during the lifting and lowering of the shade, which is the prior art), and the upper ends of the yarns are fixed on the support 26, and the lower ends of the yarns are connected with the pair of yarn adjusting blocks 19, respectively, the pair of yarn adjusting blocks 19 are slidably installed at the two ends of the bottom edge of the frame 13 and are positionable (the center of the yarn adjusting block 19 has a hole, and the lower gasket 28 is fixed in the frame through a locking screw) to adjust the tightness of the yarns, and the bottom edge of the convex frame 7 of the back plate 1 is provided with the oval yarn adjusting holes 20 corresponding to the two yarn adjusting blocks 19, respectively, for adjusting the tightness of the yarns after the assembly of the venetian blind is completed.

[0034] A plurality of fixing holes 27 are arranged on the two sides of the convex frame 7 of the back plate 1, and a plurality of sliding blocks 17 are slidably installed on the back of the frame 13, the sliding blocks 17 correspond to the fixing holes 27 one by one, threaded holes are arranged on the sliding blocks 17, the threaded holes on the sliding blocks 17 are opposite to the corresponding fixing holes 27 after the sliding blocks 17 are slid into position, and the frame 13 and the back plate 1 are connected together by screwing a screw rod into the threaded holes. The sliding blocks clamped in the frame of the utility model make the assembly of the venetian blind more convenient and easy to maintain, and the fault tolerance during assembly is increased.

[0035] The shade is increased with a flame retardant on the outside of the ordinary civilian product full-shading honeycomb curtain and can pass the flame retardancy test of CCAR-25853: when vertically placed, it must be self-extinguishing. The average char length must not exceed 152 mm (6 inches), and the average flame time after the fire source is removed must not exceed 15 seconds. The average time for which the sample drippings continue to flame after falling must not exceed 3 seconds.

[0036] Transparent wear-resistant strips 22 are arranged on the back of the shade 5, and the steel cable 16 is in contact with the wear-resistant strips 22.

[0037] The transmission mechanism is improved on the basis of the existing louver, and the improvement measures include that an adjustable base of a steel cable is added to the bottom edge of the convex frame, the balance angle of both sides when the light shielding curtain is put down can be adjusted through the tightness adjustment of the yarn adjusting hole on the back plate. Transparent wear-resistant strips are added to the inner side of the back plate to reduce friction and make the movement of the steel cable more smooth, and the service life of the transmission mechanism is increased. In assembly, the movable sliding block is installed in the frame and matched with the corresponding hole position on the back plate, which increases the tolerance during assembly and is easy to replace and maintain, and the rubber base is installed at the bottom of the sliding block to increase the wear resistance.

[0038] The pressure relief holes 21 are arranged on the top surface of both ends of the bottom edge of the convex frame 7 of the back plate 1, and the pressure relief blocks are installed in the pressure relief holes 21, so that the internal space of the louver is kept consistent with the internal pressure of the passenger cabin when the air pressure of the passenger cabin is adjusted. The pressure relief holes and the light shielding curtain material are replaced to meet the requirements of the airworthiness regulations.

[0039] The recess 23 is arranged in the middle of the top edge of the convex frame 7 of the back plate 1, the recess 23 leaves a movement space for the operating handle, the operating handle is installed in the recess 23, the limiting felt hole 24 is arranged on the groove bottom surface of the recess 23, and the limiting felt is arranged in the limiting felt hole 24 to limit the movement track of the operating handle and the movement stroke of the light shielding curtain, and the stroke should ensure that the light shielding curtain is retracted and stretched and kept within the shielding range of the back plate. The limiting felt and the cuttable flange edge (the cuttable flange edge is arranged on the back plate 1, and when the louver is actually installed on the aircraft, the position can be adjusted when interference occurs with the remaining parts or the fuselage, and the interference part can be directly cut) are installed to realize the positioning adjustment during installation, so as to ensure that a sliding louver which can be used in the passenger cabin of the aircraft is provided, and the louver has the functions of beauty and functionality.

Claims

1. A sliding shutter for use in an aircraft cabin, characterized in that: It includes a back panel, a transparent window panel, a trumpet-shaped transition decorative panel, a blackout curtain assembly, a frame-shaped baffle and a transparent panel. The back edge of the back panel is recessed along the four sides to form a convex frame in the shape of a convex strip on the front side of the back panel. A window corresponding to the aircraft structure window is provided on the back panel. The transparent window panel is installed on the back side of the back panel and covers the window. The larger end of the transition decorative panel is fixed on the back side of the transparent window panel. The blackout curtain assembly includes a frame, a blackout curtain installed on the back side of the frame, and a transmission mechanism provided on the back side of the frame and linked to the blackout curtain. There are card slots around the front edge of the frame. The back side of the frame is fixed to the convex frame of the back panel. The baffle and the transparent panel are both engaged in the card slots of the frame, and the transparent panel is located on the inner side of the baffle.

2. The sliding blind for use in an aircraft cabin according to claim 1, characterized in that: There are two windows on the back panel and they correspond to two adjacent aircraft structure windows. Accordingly, there are two transparent window panels, transition decorative panels, blackout curtain components, shielding plates and transparent panels.

3. The sliding blind for use in an aircraft cabin according to claim 2, characterized in that: The transmission mechanism includes a steel cable, yarn, an operating handle installed at the upper end of the back panel, a pair of yarn adjusting blocks and a pair of yarn adjusting holes. The steel cable is connected to the blackout curtain transmission and the two ends of the steel cable are connected to the operating handle. The upper end of the blackout curtain is connected to the top edge of the frame through a bracket. The two yarns extend along both sides of the blackout curtain respectively, and their upper ends are fixed on the bracket, and their lower ends are respectively connected to the pair of yarn adjusting blocks. The pair of yarn adjusting blocks can be slidably installed at the two ends of the bottom edge of the frame and can be positioned to adjust the tightness of the yarn. Yarn adjusting holes corresponding to the two yarn adjusting blocks are provided at the two ends of the bottom edge of the convex frame of the back panel.

4. The sliding blind for use in an aircraft cabin according to claim 3, characterized in that: A plurality of fixing holes are provided on both sides of the convex frame of the back panel, and a plurality of sliders are slidably installed on both sides of the back side of the frame. The sliders correspond to the fixing holes one by one, and connecting holes are provided on the sliders. The sliders slide into place so that the connecting holes on them are opposite to the corresponding fixing holes, and fasteners are inserted and tightened to connect the frame and the back panel together.

5. The sliding blind used in an aircraft cabin according to claim 4, characterized in that: Pressure relief holes are provided on the top surfaces of both ends of the bottom edge of the frame of the back plate, and pressure relief blocks are installed in the pressure relief holes.

6. The sliding blind for use in an aircraft cabin according to claim 5, characterized in that: A window partial layer with a middle opening is added between the back plate and the transparent window plate. The window partial layer is attached to the back of the back plate and its opening corresponds to the window. The middle partial layer is attached to the back of the back plate and between the two windows.

7. The sliding blind used in an aircraft cabin according to claim 6, characterized in that: Sound insulation cotton is installed on the remaining area on the back side of the back plate.

8. The sliding blind for use in an aircraft cabin according to claim 7, characterized in that: A groove is provided in the middle of the top edge of the convex frame of the back panel, and the operating handle is installed in the groove. A limiting felt hole is provided on the bottom surface of the groove, and a limiting felt is provided in the limiting felt hole to limit the movement trajectory of the operating handle and thus limit the movement stroke of the blackout curtain; a cuttable flange edge is provided on the back panel.

9. The sliding blind for use in an aircraft cabin according to claim 8, characterized in that: Anti-wear strips are provided on both sides of the back side of the shield, and the steel cable is in contact with the anti-wear strips; a rubber base is installed at the bottom of the sliding block.

10. The sliding blind used in an aircraft cabin according to claim 9, characterized in that: The blackout curtain consists of a main body that is a full-light-blocking honeycomb curtain and a flame-retardant layer covering the outer side of the main body.

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