Elevator ceiling and elevator car top

Abstract

The present invention discloses an elevator ceiling, wherein a first side lighting panel assembly and a central right supporting surface are mounted on a shading plate frame, and a central lighting panel assembly is placed on the central left supporting surface and the central right supporting surface of the first side lighting panel assembly; the central lighting panel assembly can be slid upward along the vertical groove of the vertical groove of the "π"-shaped guide groove to the transverse groove of the "π"-shaped guide groove, and then slid horizontally to the left along the "π"-shaped guide groove to the left and right guide grooves at the front and rear ends of the first side lighting panel assembly, so that the central lighting panel assembly is located above the side lighting panel of the first side lighting panel assembly, and the lighting panel, lighting fixtures and daily cleaning can be installed, which can meet the space requirements during emergency rescue, and the clean and tidy car environment can improve the overall comfort of passengers. The present invention discloses an elevator car ceiling.

Description

Technical Field

[0001] The invention relates to an elevator car, in particular to an elevator ceiling and an elevator car top. Background Art

[0002] In the existing roof structure of the elevator car, the roof consists of an upper canopy and a lower suspended ceiling, and the canopy and the suspended ceiling are rigidly connected. When the suspended ceiling is decorated by a lighting panel, the lighting fixtures are installed on the canopy, and the suspended ceiling consists of a surrounding frame and a middle strip supporting the lighting panel. When the elevator car space is very narrow, this structure has many defects. First, as a professional equipment, the installation and removal of the lighting panels of the elevator require professionals. If there is no fault, professional maintenance personnel will not take the initiative to clean the car environment. Moreover, due to the limited area of ​​the car, the current installation method of the lighting panels is difficult to operate in the car. Second, the existing elevator ceiling is difficult to replace lighting fixtures during routine maintenance because the frame for installing the lighting panels cannot be completely removed. Third, due to the special usage scenarios of the elevator, the car top frequently shuttles in the hoistway, and a large amount of dust is generated in the hoistway, which easily falls on the ceiling lighting panels. Due to the complexity of disassembling the lighting panels, daily cleaning and maintenance are extremely difficult, which seriously affects the user experience. Fourth, when the ceiling components are damaged, the car top needs to be replaced as a whole, and the cost of replacement is extremely high. Fifth, when the car top is equipped with an escape hatch, the lighting panels of the current structure are inconvenient to disassemble, which can easily cause passengers to have great psychological pressure and affect the escape efficiency.

[0003] The ceiling lighting devices in elevator cars disclosed in Chinese patent documents CN111936407A and CN104884377A both have the above-mentioned technical problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an elevator ceiling and an elevator car roof, which are convenient for operators to install lighting panels, maintain lighting fixtures and do daily cleaning and care, can meet the space requirements during emergency rescue, and the clean and tidy car environment can improve the overall comfort of passengers.

[0005] In order to solve the above technical problems, the present invention provides an elevator ceiling, which includes a shading plate frame 1, a central lighting plate assembly 2, and a first side lighting plate assembly 3;

[0006] The shading plate frame 1 is rectangular;

[0007] The first side lighting panel assembly 3 comprises a first side support frame;

[0008] A side lighting panel 38 is installed and fixed in the first side support frame;

[0009] Left and right guide grooves 802 are fixedly provided on the upper sides of the front support plate 31 and the rear support plate 32 of the first side support frame;

[0010] The first side support frame is fixedly mounted to the right side surface of the left shading plate 13 of the shading plate frame 1, the left part of the front shading plate 11 and the left part of the rear shading plate 12;

[0011] The lower end of the right support plate 34 of the first side support frame is formed with a central left support surface 341 bent to the right;

[0012] The central lighting panel assembly 2 includes a central lighting panel 21, a guide wheel 22 and a U-shaped slot 23;

[0013] The central lighting panel 21 is rectangular, and its front and rear ends are respectively inserted into the front U-shaped slot and the rear U-shaped slot;

[0014] Two guide wheels 22 are fixedly arranged on the front side of the front U-shaped slot;

[0015] Two guide wheels 22 are fixedly arranged on the rear side of the rear U-shaped slot;

[0016] The axis of the guide wheel 22 is in the front-rear direction;

[0017] A "π"-shaped guide groove 801 is formed on the rear side of the front shading plate 11 and the front side of the rear shading plate 12 of the shading plate frame 1 on the right side of the first side support frame;

[0018] The transverse groove of the “π”-shaped guide groove 801 is flush with and adjacent to the left and right guide grooves 802;

[0019] During normal use, the central lighting panel assembly 2 has its left end placed on the central left support surface 341, and its right end placed on a central right support surface 541; the four guide wheels 22 of the central lighting panel assembly 2 are correspondingly inserted into the lower ends of the four vertical grooves of the two "π"-shaped guide grooves 801;

[0020] During maintenance, push up the central lighting panel assembly 2, and the guide wheel 22 of the central lighting panel assembly 2 moves up along the vertical groove of the "π"-shaped guide groove 801 to the horizontal groove of the "π"-shaped guide groove 801; then push the central lighting panel assembly 2 to the left, and the guide wheel 22 of the central lighting panel assembly 2 moves left along the horizontal groove of the "π"-shaped guide groove 801 to the left-right guide groove 802, so that the central lighting panel assembly 2 is located above the side lighting panel 38 of the first side lighting panel assembly 3.

[0021] Preferably, the cross-sections of the vertical groove, the transverse groove, and the left and right guide grooves 802 of the “π”-shaped guide groove 801 are all “Ω”-shaped.

[0022] Preferably, the front sunshade 11 and / or the rear sunshade 12 of the sunshade frame 1 are provided with a vertical spring limiting rod 701 at the lower part of the vertical groove corresponding to the "π"-shaped guide groove 801;

[0023] When the vertical spring limiting rod 701 is pressed down, the guide wheel 22 of the central lighting panel assembly 2 is restricted from moving upward along the vertical groove of the "π"-shaped guide groove 801;

[0024] When the vertical spring limiting rod 701 pops up, the guide wheel 22 of the central lighting panel assembly 2 is allowed to move along the vertical groove of the “π”-shaped guide groove 801 .

[0025] Preferably, a transverse spring limiting rod 702 is provided on the upper side of the front support plate 31 and the rear support plate 32 of the first side support frame, respectively corresponding to the right part of the left and right guide groove 802;

[0026] When the transverse spring limiting rod 702 is pressed down, the guide wheel 22 of the central lighting panel assembly 2 is restricted from moving along the left-right guide groove 802;

[0027] When the transverse spring limiting rod 702 pops up, the guide wheel 22 of the central lighting panel assembly 2 is allowed to move along the left-right guide groove 802 .

[0028] Preferably, the left support plate 33 of the first side support frame is fixedly mounted to the right side surface of the left sunshade 13 of the sunshade frame 1;

[0029] The front support plate 31 and the right part of the rear support plate 32 of the first side support frame are respectively connected and fixed to the front shading plate 11 and the rear shading plate 12 of the shading plate frame 1 through the buckle structure 206;

[0030] When the snap structure is opened, the first side lighting panel assembly 3 can be reversed downward around the left support plate 33 of the first side support frame.

[0031] Preferably, the elevator ceiling further includes a second side lighting panel assembly 5;

[0032] The second side lighting panel assembly 5 is a symmetrical structure with the first side lighting panel assembly 3;

[0033] The second side lighting panel assembly 5 is fixedly mounted to the right portion of the shading panel frame 1;

[0034] A central right supporting surface 541 bent to the left is formed at the lower end of the left supporting plate 54 of the second side supporting frame of the second side lighting panel assembly 5 .

[0035] The elevator car top including the elevator ceiling provided by the present invention further includes a canopy 9;

[0036] The sunshade frame 1 is fixed to the canopy 9 by bolt connection;

[0037] The lighting fixture 91 is installed on the canopy 9 and is located between the sunshade frame 1 and the canopy 9 .

[0038] The elevator ceiling and elevator car ceiling of the present invention facilitate operators to install the central lighting panel assembly 2, maintain the lighting fixtures 91 and do daily cleaning and care, can meet the space requirements during emergency rescue, and the clean and tidy car environment can improve the overall comfort of passengers. If the first side support frame of the first side lighting panel assembly 3 is twisted, deformed or damaged during transportation, installation, and use, the connection between the first side support frame and the shading plate frame 1 can be removed to achieve low-cost replacement of the first side lighting panel assembly 3. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for use in the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0040] Figure 1 is an exploded view of an embodiment of an elevator car top of the present invention;

[0041] Figure 2 It is a schematic diagram of the general assembly of an embodiment of an elevator car top of the present invention;

[0042] Figure 3 yes Figure 2 AA (left and right) cross-section diagram;

[0043] Figure 4 yes Figure 2 BB (front-back) cross-section diagram;

[0044] Figure 5 is a top view of a central lighting panel assembly of an elevator ceiling embodiment of the present invention;

[0045] Figure 6 It is a left side view of a central lighting panel assembly of an elevator ceiling embodiment of the present invention;

[0046] Figure 7 It is a schematic diagram of an embodiment of a "π"-shaped guide groove;

[0047] Figure 8 is a schematic diagram of an embodiment of a left-right guide groove;

[0048] Fig. 9 yes Figure 7 , Figure 8 HH, II, and JJ cross-sections;

[0049] Fig.10 It is a schematic diagram of the upward movement of the central lighting panel assembly;

[0050] Fig.11is a schematic diagram of a central lighting panel assembly moving to above a side lighting panel of a first side lighting panel assembly;

[0051] Fig.12 yes Fig.11 A partial enlarged schematic diagram;

[0052] Fig.13 It is a schematic diagram of the first side lighting panel assembly and the second side lighting panel assembly flipped over in one embodiment of an elevator ceiling of the present invention;

[0053] Fig.14 It is a schematic diagram of disassembly and installation of a central lighting panel assembly of an elevator ceiling embodiment of the present invention;

[0054] Fig.15 It is a general schematic diagram of the elevator car.

[0055] Description of reference numerals in the figures:

[0056] 1 sunshade frame; 11 front sunshade; 12 rear sunshade; 13 left sunshade; 2 central lighting panel assembly; 21 central lighting panel; 22 guide wheel; 23 U-shaped slot; 3 first side lighting panel assembly; 31 front support plate; 32 rear support plate; 33 left support plate of the first side support frame; 34 right support plate; 341 central left support surface; 38 side lighting panel; 801 "π"-shaped guide groove; 802 left and right guide grooves; 541 central right support surface; 701 vertical spring limit rod; 702 transverse spring limit rod; 206 buckle structure; 5 second side lighting panel assembly; 54 left support plate of the second side support frame; 9 canopy; 91 lighting fixture; 901 car wall. DETAILED DESCRIPTION

[0057] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0058] Embodiment 1

[0059] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the elevator ceiling includes a shading panel frame 1, a central lighting panel assembly 2, and a first side lighting panel assembly 3;

[0060] The shading plate frame 1 is rectangular;

[0061] The first side lighting panel assembly 3 comprises a first side support frame;

[0062] A side lighting panel 38 is installed and fixed in the first side support frame;

[0063] Left and right guide grooves 802 are fixedly provided on the upper sides of the front support plate 31 and the rear support plate 32 of the first side support frame;

[0064] The first side support frame is fixedly mounted to the right side surface of the left shading plate 13 of the shading plate frame 1, the left part of the front shading plate 11 and the left part of the rear shading plate 12;

[0065] The lower end of the right support plate 34 of the first side support frame is formed with a central left support surface 341 bent to the right;

[0066] like Figure 5 , Figure 6 As shown, the central lighting panel assembly 2 includes a central lighting panel 21, a guide wheel 22 and a U-shaped slot 23;

[0067] The central lighting panel 21 is rectangular, and its front and rear ends are respectively inserted into the front U-shaped slot and the rear U-shaped slot;

[0068] Two guide wheels 22 are fixedly arranged on the front side of the front U-shaped slot;

[0069] Two guide wheels 22 are fixedly arranged on the rear side of the rear U-shaped slot;

[0070] The axis of the guide wheel 22 is in the front-rear direction;

[0071] A "π"-shaped guide groove 801 is formed on the rear side of the front shading plate 11 and the front side of the rear shading plate 12 of the shading plate frame 1 on the right side of the first side support frame;

[0072] The transverse groove of the “π”-shaped guide groove 801 is flush with and adjacent to the left and right guide grooves 802;

[0073] During normal use, the central lighting panel assembly 2 has its left end placed on the central left support surface 341, and its right end placed on a central right support surface 541, which has a decorative effect; the four guide wheels 22 of the central lighting panel assembly 2 are correspondingly inserted into the lower ends of the four vertical grooves of the two "π"-shaped guide grooves 801;

[0074] During maintenance, push up the central lighting panel assembly 2, and the guide wheel 22 of the central lighting panel assembly 2 moves up along the vertical groove of the "π"-shaped guide groove 801 to the horizontal groove of the "π"-shaped guide groove 801; then push the central lighting panel assembly 2 to the left, and the guide wheel 22 of the central lighting panel assembly 2 moves left along the horizontal groove of the "π"-shaped guide groove 801 to the left-right guide groove 802, so that the central lighting panel assembly 2 is located above the side lighting panel 38 of the first side lighting panel assembly 3.

[0075] Better, such as Figure 7 , Figure 8 , Fig. 9 As shown, the cross-sections of the vertical groove, the transverse groove, and the left and right guide grooves 802 of the "π"-shaped guide groove 801 are all "Ω"-shaped.

[0076] In the elevator ceiling of the first embodiment, the components of the ceiling assembly are made partially detachable and connected, the first side lighting panel assembly 3 and the central right supporting surface 541 are installed on the sunshade frame 1, and the central lighting panel assembly 2 is placed on the central left supporting surface 341 and the central right supporting surface 541 of the first side lighting panel assembly 3; when daily simple maintenance of the lighting fixture 91 on the elevator car roof or emergency rescue is required, the central lighting panel assembly 2 can be slid upward along the vertical groove of the vertical groove of the "π"-shaped guide groove 801 to the horizontal groove of the "π"-shaped guide groove 801, such as Fig.10 As shown, the central lighting panel assembly 2 is then slid horizontally to the left along the "π"-shaped guide groove 801 to the left and right guide grooves 802 at the front and rear ends of the first side lighting panel assembly 3, so that the central lighting panel assembly 2 is located above the side lighting panel 38 of the first side lighting panel assembly 3, as shown in FIG. Fig.11 As shown, the use requirements can be met; after completion, the central lighting panel assembly 2 can be restored to its original position along the left-right guide groove 802 and the "π"-shaped guide groove 801. The implementation of the first elevator ceiling makes it convenient for operators to install the central lighting panel assembly 2, maintain the lighting fixtures 91 and do daily cleaning and care, which can meet the space requirements during emergency rescue, and the clean and tidy cabin environment can improve the overall comfort of passengers. If the first side support frame of the first side lighting panel assembly 3 is twisted, deformed or damaged during transportation, installation, and use, the connection between the first side support frame and the sunshade frame 1 can be removed to achieve low-cost replacement of the first side lighting panel assembly 3.

[0077] Embodiment 2

[0078] Based on the elevator ceiling of the first embodiment, the front sunshade 11 and / or the rear sunshade 12 of the sunshade frame 1 are provided with a vertical spring limiting rod 701 at the lower part of the vertical groove corresponding to the "π"-shaped guide groove 801;

[0079] When the vertical spring limiting rod 701 is pressed down, the guide wheel 22 of the central lighting panel assembly 2 is restricted from moving upward along the vertical groove of the "π"-shaped guide groove 801;

[0080] When the vertical spring limiting rod 701 pops up, the guide wheel 22 of the central lighting panel assembly 2 is allowed to move along the vertical groove of the “π”-shaped guide groove 801 .

[0081] In the elevator ceiling of the second embodiment, when the central lighting panel assembly 2 needs to be moved upward, the vertical spring limiting rod 701 is made to pop up, and the central lighting panel assembly 2 is pushed upward to move upward along the vertical groove of the "π"-shaped guide groove 801 until it moves to the horizontal groove of the "π"-shaped guide groove 801. The vertical limiting purpose of the central lighting panel assembly 2 can be achieved by manually pressing the vertical spring limiting rod 701 provided on the sunshade frame 1, ensuring the normal use of the central lighting panel assembly 2 and avoiding accidental sliding.

[0082] Embodiment 3

[0083] Based on the elevator ceiling of embodiment 1, Fig.12 As shown, a transverse spring limiting rod 702 is provided on the upper side of the front support plate 31 and the rear support plate 32 of the first side support frame corresponding to the right part of the left and right guide groove 802 respectively;

[0084] When the transverse spring limiting rod 702 is pressed down, the guide wheel 22 of the central lighting panel assembly 2 is restricted from moving along the left-right guide groove 802;

[0085] When the transverse spring limiting rod 702 pops up, the guide wheel 22 of the central lighting panel assembly 2 is allowed to move along the left-right guide groove 802 .

[0086] In the elevator ceiling of the third embodiment, the upper sides of the front support plate 31 and the rear support plate 32 of the first side support frame are respectively provided with transverse spring limit rods 702 corresponding to the right part of the left-right guide groove 802. When the first side lighting panel assembly 3 slides to the target position along the left-right guide groove 802, the transverse spring limit rod 702 can be manually pressed to achieve the purpose of limiting the central lighting panel assembly 2 above the side lighting panel 38 of the first side lighting panel assembly 3, ensuring the normal use of the first side lighting panel assembly 3 and avoiding accidental sliding of the central lighting panel assembly 2 due to subsequent operations. After the central lighting panel assembly 2 is moved above the side lighting panel 38 of the first side lighting panel assembly 3 and limited by the transverse spring limit rod 702, conventional lamp maintenance, replacement, repair, or emergency rescue operations can be completed. After maintenance and other operations are completed, press the horizontal spring limit rod 702 to make it bounce back to its original position, then move the central lighting panel assembly 2 along the left and right guide grooves 802 and the "π"-shaped guide grooves 801 back to the normal use position, and press the vertical spring limit rod 701 again to ensure that the mobile central lighting panel assembly 2 does not shake during normal use.

[0087] Embodiment 4

[0088] Based on the elevator ceiling of the first embodiment, the left support plate 33 of the first side support frame is fixedly mounted to the right side surface of the left sunshade 13 of the sunshade frame 1;

[0089] The front support plate 31 and the right part of the rear support plate 32 of the first side support frame are respectively connected and fixed to the front shading plate 11 and the rear shading plate 12 of the shading plate frame 1 through the buckle structure 206;

[0090] When the snap structure is opened, the first side lighting panel assembly 3 can be reversed downward around the left support plate 33 of the first side support frame.

[0091] In the elevator ceiling of the fourth embodiment, when a larger operating space is needed, overall maintenance or replacement and cleaning of the lighting panel is required, the central lighting panel assembly 2 can be first moved above the side lighting panel 38 of the first side lighting panel assembly 3, and then the snap-fit ​​structure 206 between the first side support frame of the first side lighting panel assembly 3 and the shading panel frame 1 is opened, and the first side lighting panel assembly 3 together with the central lighting panel assembly 2 will be rotated downward by a certain angle, such as Fig.13 As shown, the downward rotation angle of the first side lighting panel assembly 3 should be less than 90 degrees to prevent the first side support frame of the first side lighting panel assembly 3 from damaging other components on the car wall (such as display screens, buttons, advertising screens, etc.); then the restriction of the transverse spring limit rod 702 can be released, and the central lighting panel assembly 2 can be slowly moved. When the entire central lighting panel assembly 2 does not need to be removed, the transverse spring limit rod 702 can be inserted between the two guide wheels 22 on the same side. At this time, the transverse spring limit rod 702 will limit the central lighting panel assembly 2 from falling out or falling, as shown in FIG. Fig.14 After the replacement of the lighting fixture 91 or the cleaning of the central lighting panel assembly 2 is completed, the first side lighting panel assembly 3 is manually pushed to cooperate with the central lighting panel assembly 2 to the normal position, the buckle structure 206 is fastened, the restriction of the transverse spring limit rod 702 is cancelled, and the central lighting panel assembly 2 is pushed to the normal position. If the entire central lighting panel assembly 2 is removed, it can be directly taken out along the left and right guide grooves 802.

[0092] In the elevator ceiling of the fourth embodiment, the first side lighting panel assembly 3 can be flipped over to a certain angle, and the central lighting panel assembly 2 can be folded and flipped over together with the first side lighting panel assembly 3. It is easy to disassemble and flip over, which facilitates the maintenance of the lighting fixtures 91 and the installation and cleaning of the side lighting panels 38. It has low manufacturing costs and is convenient for rescue in emergency situations.

[0093] Embodiment 5

[0094] Based on the first embodiment, the elevator ceiling further includes a second side lighting panel assembly 5;

[0095] The second side lighting panel assembly 5 is a symmetrical structure with the first side lighting panel assembly 3;

[0096] The second side lighting panel assembly 5 is fixedly mounted to the right portion of the shading panel frame 1;

[0097] A central right supporting surface 541 bent to the left is formed at the lower end of the left supporting plate 54 of the second side supporting frame of the second side lighting panel assembly 5 .

[0098] The elevator ceiling of the fifth embodiment can increase the lighting panel assembly according to the width of the car, which ensures that the light can be evenly irradiated in the car, and also makes the total weight of the lighting panel assembly lighter, while more flexibly meeting the aesthetic requirements of the car decoration surface.

[0099] Embodiment 6

[0100] An elevator car roof comprising the above-mentioned elevator ceiling, such as Figure 1 , Figure 3 and Fig.15 As shown, the elevator car top also includes a canopy 9;

[0101] The sunshade frame 1 is fixed to the canopy 9 by bolt connection;

[0102] The lighting fixture 91 is installed on the canopy 9 and is located between the sunshade frame 1 and the canopy 9 to provide daily lighting in the car.

[0103] The elevator car roof of the sixth embodiment is composed of a canopy 9 and an elevator ceiling and its accessories. The entire elevator car roof is assembled on the upper part of the frame composed of the car wall 901, which is convenient for the elevator ceiling to be disassembled separately from the canopy 1, thereby reducing the cost of replacing the elevator ceiling.

[0104] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An elevator ceiling, characterized in that: It comprises a shading plate frame (1), a central lighting plate assembly (2), and a first side lighting plate assembly (3); The shading plate frame (1) is rectangular; The first side lighting panel assembly (3) comprises a first side supporting frame; A side lighting panel (38) is installed and fixed in the first side support frame; Left and right guide grooves (802) are fixedly provided on the upper sides of the front support plate (31) and the rear support plate (32) of the first side support frame; The first side support frame is fixedly mounted to the right side surface of the left shading plate (13), the left part of the front shading plate (11) and the left part of the rear shading plate (12) of the shading plate frame (1); A central left supporting surface (341) bent to the right is formed at the lower end of the right supporting plate (34) of the first side supporting frame; The central lighting panel assembly (2) comprises a central lighting panel (21), a guide wheel (22) and a U-shaped slot (23); The central lighting panel (21) is rectangular, and its front and rear ends are respectively inserted into the front U-shaped slot and the rear U-shaped slot; Two guide wheels (22) are fixedly arranged on the front side of the front U-shaped slot; Two guide wheels (22) are fixedly arranged on the rear side of the rear U-shaped slot; The axis of the guide wheel (22) is in the front-rear direction; A "π"-shaped guide groove (801) is formed on the rear side surface of the front shading plate (11) and the front side surface of the rear shading plate (12) of the shading plate frame (1) on the right side of the first side support frame; The transverse groove of the "π"-shaped guide groove (801) is flush with and adjacent to the left and right guide grooves (802); During normal use, the left end of the central lighting panel assembly (2) is placed on the central left support surface (341), and the right end of the central lighting panel (21) is placed on a central right support surface (541); the four guide wheels (22) of the central lighting panel assembly (2) are correspondingly inserted into the lower ends of the four vertical grooves of the two "π"-shaped guide grooves (801); During maintenance, the central lighting panel assembly (2) is pushed upward, and the guide wheel (22) of the central lighting panel assembly (2) moves upward along the vertical groove of the "π"-shaped guide groove (801) to the horizontal groove of the "π"-shaped guide groove (801); then the central lighting panel assembly (2) is pushed leftward, and the guide wheel (22) of the central lighting panel assembly (2) moves leftward along the horizontal groove of the "π"-shaped guide groove (801) to the left-right guide groove (802), so that the central lighting panel assembly (2) is located above the side lighting panel (38) of the first side lighting panel assembly (3).

2. The elevator ceiling according to claim 1, characterized in that: The cross sections of the vertical groove, the transverse groove and the left and right guide grooves (802) of the "π"-shaped guide groove (801) are all "Ω"-shaped.

3. The elevator ceiling according to claim 1, characterized in that: A vertical spring limiting rod (701) is provided at the lower part of the vertical groove of the front shading plate (11) and / or the rear shading plate (12) of the shading plate frame (1) corresponding to the "π"-shaped guide groove (801); When the vertical spring limiting rod (701) is pressed down, the guide wheel (22) of the central lighting panel assembly (2) is restricted from moving upward along the vertical groove of the "π"-shaped guide groove (801); When the vertical spring limiting rod (701) pops up, the guide wheel (22) of the central lighting panel assembly (2) is allowed to move along the vertical groove of the "π"-shaped guide groove (801).

4. The elevator ceiling according to claim 1, characterized in that: A transverse spring limiting rod (702) is provided on the upper side of the front supporting plate (31) and the rear supporting plate (32) of the first side supporting frame, respectively corresponding to the right part of the left and right guide grooves (802); When the transverse spring limiting rod (702) is pressed down, the guide wheel (22) of the central lighting panel assembly (2) is restricted from moving along the left-right guide groove (802); When the transverse spring limiting rod (702) pops up, the guide wheel (22) of the central lighting panel assembly (2) is allowed to move along the left-right guide groove (802).

5. The elevator ceiling according to claim 4, characterized in that: The left support plate (33) of the first side support frame is fixedly mounted to the right side surface of the left sunshade (13) of the sunshade frame (1); The right parts of the front support plate (31) and the rear support plate (32) of the first side support frame are respectively connected and fixed to the front shading plate (11) and the rear shading plate (12) of the shading plate frame (1) through the buckle structure 206; When the buckle structure is opened, the first side lighting panel assembly (3) can be reversed downward around the left support plate (33) of the first side support frame.

6. The elevator ceiling according to any one of claims 1 to 5, characterized in that: The elevator ceiling also includes a second side lighting panel assembly (5); The second side lighting panel assembly (5) is a symmetrical structure with the first side lighting panel assembly (3); The second side lighting panel assembly (5) is fixedly mounted on the right part of the sunshade frame (1); A central right supporting surface (541) bent to the left is formed at the lower end of the left supporting plate (54) of the second side supporting frame of the second side lighting panel assembly (5).

7. An elevator car ceiling comprising the elevator ceiling according to any one of claims 1 to 5, characterized in that: The elevator car top also includes a canopy (9); The sunshade frame (1) is fixed to the canopy (9) by bolt connection; The lighting fixture (91) is installed on the canopy (9) and is located between the sunshade frame (1) and the canopy (9).

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