CN210029674U - Car ceiling - Google Patents

Abstract

The application discloses car furred ceiling includes: a horizontally disposed support frame; the first lamp is detachably connected to the outer edge of the supporting frame, and in a use state, the first lamp irradiates downwards, and does not exceed the supporting frame in the height direction; a plate body covering the bottom of the support frame, wherein at least one part of the plate body is a light-transmitting plate, one side of the light-transmitting plate in the horizontal direction is a light incident side, and the bottom surface of the light-transmitting plate is a light emergent surface; and the second lamp is arranged in the support frame, is positioned on one side of the light-transmitting plate in the horizontal direction, and the irradiation direction of the second lamp faces to the light incident side of the light-transmitting plate. The utility model provides a car furred ceiling is showing and is reducing the occupation of furred ceiling to the car space, has reduced the extravagant and the cost-push in invalid space, has satisfied the demand of elevator producer and building side.

Description

Car ceiling

Technical Field

This application belongs to elevator technical field, concretely relates to car furred ceiling.

Background

The elevator is the most important vertical transportation means in modern buildings, and with the increasing improvement of living standard of people, the public pays more attention to the riding comfort and safety of the elevator. The car is used as a part of an elevator which is directly contacted by passengers, and the appearance comfort and the safety are particularly important. And the car furred ceiling is as the main light source in the car, and holistic visual effect in the car is directly influenced with the illumination collocation to its appearance effect, therefore the design of car furred ceiling occupies leading position in whole car design.

In the aspect of the outward appearance travelling comfort, the car furred ceiling that has better outward appearance effect on the existing market is more, but its height often is great, mainly because the furred ceiling need consider mechanical structure stereovision when the design, the lighting fixture arranges the mode, design restrictions such as sedan-chair top air-out mode, especially when the air-out mode is the fan air-out, need reserve certain space between furred ceiling and the sedan-chair top and guarantee that the air-out is smooth and easy, these restrictions often can directly lead to the design height of furred ceiling great, the furred ceiling height is common at 200 ~ 300 mm. On the other hand, to ensure that passengers do not feel depressed due to a too low ceiling, the height of the top floor of the building needs to be increased. Although the design ensures the appearance effect of the car and meets the requirements of passengers, the design increases the invalid car space and civil engineering space and increases the related cost.

In terms of safety, the need for security windows on the roof of a car has also increased in order to increase the way passengers escape from the car in an emergency situation. However, the increase of the car roof safety window function can increase a plurality of limiting conditions for the design of the lower-layer suspended ceiling, and particularly has great influence on the selection and arrangement mode of the lamps, because the opening positions of the corresponding safety windows must ensure that no lamps, wires and the like influence the materials of passengers escaping from the safety windows, the illumination effect of the area is poor, if the movable lamps are adopted, the escaping time of the passengers can be increased, meanwhile, the potential safety hazard when the passengers escape is increased, and the damage probability of the lamps in the moving process is increased.

In order to satisfy the passenger's demands for appearance and safety while reducing useless space waste and cost increase, it is necessary to design an ultra-thin car ceiling having a good appearance effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a car furred ceiling is showing and is reducing the occupation of furred ceiling to car space, has reduced the extravagant and the increase in cost in invalid space, has satisfied the demand of elevator producer and construction side.

A car ceiling, comprising:

a horizontally disposed support frame;

the first lamp is detachably connected to the outer edge of the supporting frame, and in a use state, the first lamp irradiates downwards, and does not exceed the supporting frame in the height direction;

the light guide plate comprises a plate body for shielding the bottom of the support frame, wherein at least one part of the plate body is a light transmission plate, one side of the light transmission plate in the horizontal direction is a light incident side, and the bottom surface of the light transmission plate is a light emergent surface;

and the second lamp is arranged on one side of the light-transmitting plate in the horizontal direction, and the irradiation direction of the second lamp faces to the light inlet side of the light-transmitting plate.

Preferably, the minimum net thickness of the car ceiling is 60 mm.

Preferably, the first lamp is a strip, and two ends of the strip extend along the outer edge of the support frame.

Preferably, the number of the first lamps is two, and the two first lamps are oppositely arranged at the outer edge of the supporting frame.

Preferably, the first lamp is connected to the outer edge of the supporting frame through the lamp holder, the lamp holder is provided with a plurality of gourd holes, the corresponding side of the outer edge of the supporting frame is provided with a convex column embedded in the gourd holes, and the lamp holder and the supporting frame are detachably connected through the gourd holes and the convex column.

Preferably, the plate body comprises two light-transmitting plates which are oppositely arranged on the inner edge of the supporting frame, an avoiding gap is reserved between the two light-transmitting plates, and at least one part of the avoiding gap is used as a safety window.

Preferably, the device comprises a decorative plate which is arranged at the top of the supporting frame and used for shielding the avoidance gap, the decorative plate has how fast, one of the decorative plates is a movable plate corresponding to the safety window, and the movable plate changes the posture by lifting to move out of the range of the safety window.

Preferably, the second lamp is in a strip shape, and the extension path of the strip shape corresponds to the extension path of the light incident side of the light-transmitting plate.

Preferably, the number of the second lamps is two, and the two second lamps are oppositely arranged in the support frame.

Preferably, the second lamp is mounted on the support frame through a connecting piece, the connecting piece comprises a clamp spring fixedly mounted on the support frame, and the second lamp is detachably embedded on the clamp spring.

According to the car ceiling, the supporting frame is horizontally arranged, so that the space occupation of the supporting frame on the ceiling in the vertical direction is reduced; the first lamp is positioned in the projection range of the support frame in the height direction, and extra height occupation is not increased; the second lamps and lanterns and light-passing board horizontal direction arrange, avoid both to distribute from top to bottom and increase furred ceiling thickness, and the direction of illumination of second lamps and lanterns is towards the income light side of light-passing board, has better illuminating effect under the whole thinner condition of messenger's elevator furred ceiling. Make the car furred ceiling show and reduce the occupation of furred ceiling to car space, reduced the extravagant and the cost-push in invalid space, satisfied the demand of elevator producer and building side.

Drawings

FIG. 1 is a schematic view of a suspended ceiling for a car according to the present application;

FIG. 2 is a schematic structural view of a support frame;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a schematic structural view of the connecting bracket;

FIG. 6 is a schematic view of the connection between the second horizontal plate and the lamp holder;

FIG. 7 is a partial enlarged view of the portion C in FIG. 6;

FIG. 8 is a schematic view of the connection between the second horizontal plate and the fitting surface of the lamp holder;

FIG. 9 is a schematic view of the back of a suspended ceiling with the panel body removed from the top of the support frame;

fig. 10 is a schematic view of the back of a car ceiling of the present application;

FIG. 11 is a schematic view of the back of the suspended ceiling with the movable panel removed;

FIG. 12 is a schematic view of the attachment of the trim panel to the closure panel;

FIG. 13 is a cross-sectional view taken at D-D of FIG. 12;

FIG. 14 is a cross-sectional view taken at E-E of FIG. 12;

FIG. 15 is a schematic view of the connection between the connection member and the second lamp;

FIG. 16 is a schematic view of the first hitch assembly;

FIG. 17 is a schematic structural view of a second hitch assembly;

fig. 18 is a side view of a car ceiling.

In the figure: 1. a first transverse plate; 2. a second transverse plate; 201. a second U-shaped body; 202. a second step; 203. second flanging; 3. a third transverse plate; 301. a third U-shaped body; 302. a third step; 303. third flanging; 4. a middle decorative plate; 5. a movable plate; 6. a lamp holder; 601. a gourd hole; 7. a light-transmitting plate; 8. a light transmitting strip; 9. a first seal plate; 10. a second seal plate; 11. a third seal plate; 12. a lamp bracket sealing plate; 13. a first hanging assembly; 14. a second hanging assembly; 15. an emergency light; 16. a second light fixture; 17. folding the plate; 18. a rubber plug; 19. reinforcing ribs; 20. connecting a bracket; 2001. a first connecting plate; 2002. a second connecting plate; 21. welding a nut; 22. a screw; 23. a clamp spring; 24. a nut; 25. a first hanger plate; 2501. a first identification hole; 26. a second hanger plate; 2601. a second identification hole; 27. a sleeve; 28. a screw; 29. a large nut; 30. a gasket; 31. pressing and riveting the nut; 32. avoiding the gap; 3201. a security window.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "secured" to another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As shown in fig. 1, a car ceiling includes: the lamp comprises a horizontally arranged support frame, a first lamp detachably connected to the outer edge of the support frame, a plate body covering the bottom of the support frame, and a second lamp installed in the support frame.

The support frame is put for the tie to it occupies to reduce the space of support frame self to the furred ceiling in vertical direction.

The first lamp is downward irradiated in the using state, first illumination is provided for the lift car, and the first lamp does not exceed the supporting frame in the height direction, namely the first lamp is located in the projection range of the supporting frame in the height direction, and extra height occupation is not increased.

At least one part of the plate body of the car ceiling is a light-transmitting plate, one side of the light-transmitting plate in the horizontal direction is a light incident side, the bottom surface of the light-transmitting plate is a light emergent surface, and the light emergent surface is used for light penetration to provide second illumination for the car.

The second lamps and lanterns are in one side of light-passing board horizontal direction, and the second lamps and lanterns are arranged with the light-passing board horizontal direction, avoid both to distribute from top to bottom and increase furred ceiling thickness. And the irradiation direction of the second lamp faces to the light incident side of the light-transmitting plate, so that the elevator ceiling has a good lighting effect under the condition of small whole thickness.

As shown in fig. 2, in an embodiment, the supporting frame is rectangular, and the supporting frame is formed by connecting the first cross plate 1, the second cross plate 2 and the two third cross plates 3 end to end. In other embodiments, the support frame is not limited to a rectangle, and may be configured to be a circle, an ellipse, a polygon, or the like according to actual requirements.

The first transverse plate 1 and the second transverse plate 2 in the support frame are identical in structure and are oppositely arranged; the two third transverse plates 3 are oppositely arranged between the first transverse plate 1 and the second transverse plate 2. The third cross plate 3 is fixedly connected with the first cross plate 1 and the second cross plate 2 through the connecting bracket 20.

In an embodiment, as shown in fig. 3, the second horizontal plate 2 includes a second U-shaped main body 201, tops of two sides of the second U-shaped main body 201 are bent towards each other to form a second flange 203 and a second step 202, the second step 202 is located at an inner side of the supporting frame, the second flange 203 is located at an outer side of the supporting frame, and the second step 202 is lower than the second flange 203 in a height direction.

In order to facilitate the installation of the top part of the supporting frame, vertical extending parts are arranged at two ends of the second U-shaped main body 201, and the tops of the vertical extending parts are bent oppositely to form a first flanging coplanar with the second flanging 203.

In an embodiment, as shown in fig. 4, the third horizontal plate 3 includes a third U-shaped main body 301, tops of two sides of the third U-shaped main body 301 are bent towards each other to form a third flange 303 and a third step 302, the third step 302 is located inside the supporting frame, the third flange 303 is located outside the supporting frame, and the third step 302 is lower than the third flange 303 in the height direction. And third flange 303 is coplanar with second flange 203 and third step 302 is coplanar with second step 202.

In order to avoid light leakage at the connection of the first, second and third transverse plates 1, 2 and 3, in one embodiment, as shown in fig. 5, the connection bracket 20 includes a first connection plate 2001 and a second connection plate 2002, and the first connection plate 2001 and the second connection plate 2002 form a step structure. The first connecting plate 2001 is fixed to the bottom of the third U-shaped body 301 of the third cross plate 3 by gluing or welding, and the second connecting plate 2002 is fixed to the second step 202 of the first cross plate 1 or the second cross plate 2 by bolts.

In order to ensure the illumination effect of the first lamp on the peripheral side of the car, in one embodiment, the first lamp is provided in the shape of an elongated bar, and both ends of the elongated bar extend along the outer edge of the support frame, and preferably extend for a sufficient distance. For example: when the suspended ceiling is rectangular, the first lamp extends to two adjacent side edges from the side edge where the first lamp is located.

In consideration of the cost and the wiring problem, in one embodiment, two first lamps are arranged, and the two first lamps are oppositely arranged at the outer edge of the supporting frame, so that a better lighting effect can be achieved on the periphery side of the lift car.

If lamps and lanterns are directly exposed outside the furred ceiling, can influence the holistic aesthetic property of furred ceiling to a certain extent, so as shown in fig. 6, in an embodiment, first lamps and lanterns pass through lighting fixture 6 and connect in the carriage outer fringe, and in this embodiment, lighting fixture 6 is connected on first diaphragm 1 and second diaphragm 2, and first lamps and lanterns can adopt fluorescent tube, lamp area etc..

The first lamp can be arranged at the top of the lamp holder 6, and a light-transmitting plate is arranged at the bottom of the lamp holder 6 to ensure the lighting effect of the first lamp. In one embodiment, the lamp holder 6 includes a rectangular main body having a hollow interior; the top plate of the rectangular main body is detachably connected, and the first lamp is arranged on the top plate; and a light transmitting strip 8 is arranged on the bottom plate of the rectangular main body, and the position of the light transmitting strip 8 corresponds to that of the first lamp.

As shown in fig. 7, the lamp holder 6 is provided with a plurality of gourd holes 601, the corresponding side of the outer edge of the supporting frame is provided with a convex column embedded in the gourd holes 601, and the lamp holder 6 and the supporting frame are detachably connected through the gourd holes 601 and the convex column. In order to improve the connection adaptability of the lamp holder 6 and the support frame, the convex columns are screws 22 connected to the first transverse plate 1 and the second transverse plate 2.

Specifically, as shown in fig. 8, in an embodiment, taking the second horizontal plate 2 as an example, a weld nut 21 is mounted in advance on a side wall of the second U-shaped main body 201 of the second horizontal plate 2, and is connected to the weld nut 21 by a screw 22. In car furred ceiling assembling process, through the clearance between adjusting screw 22 and the weld nut 21, it is less to guarantee lighting fixture 6 and second diaphragm 2's clearance, then directly fixes weld nut 21 and screw 22 through spot welding, guarantees that the clearance is fixed unchangeable, prevents to take off, then can conveniently dismantle lighting fixture 6, the later maintenance of being convenient for through inlaying of screw 22 and calabash hole 601 dress.

In the use of car furred ceiling, the safety window has great contribution in improving furred ceiling security performance. In one embodiment, as shown in fig. 9, the plate body covering the bottom of the supporting frame comprises two transparent plates 7 oppositely arranged at the inner edge of the supporting frame, an avoidance gap 32 is left between the two transparent plates, and at least a part of the avoidance gap 32 is used as a safety window.

The light-transmitting plate 7 can be made of acrylic, marble plate and the like. In this embodiment, the light-transmitting plate 7 is placed on the third step 302 and the second step 202, and is limited by the rivet or the screw disposed on the third step 302 and the second step 202. In addition, in order to prevent the influence of vibration to light-passing board 7 in the transportation or elevator operation process, adopt rubber buffer or nut to fix it.

In this embodiment, the plate body does not completely shield the bottom of the support frame, and a certain avoiding gap 32 is left to adapt to the optional installation of the safety window, and the attractiveness of the suspended ceiling is not affected. All or part of the avoidance gap 32 is used as a safety window, so that the flexibility of the suspended ceiling in the aspect of setting the safety window is improved conveniently.

As shown in fig. 10 to 11, in an embodiment, the suspended ceiling of the car further includes a decorative plate disposed on the top of the supporting frame for shielding the avoidance gap, and how fast the decorative plate is, one of the decorative plates is a movable plate 5 corresponding to the safety window, and the movable plate 5 changes its posture by lifting up to move out of the range of the safety window.

The plate body at the top of the shielding support frame can be wholly or partially a decorative plate. In one embodiment, in order to facilitate the disassembly and maintenance of the top plate body, the plate body arranged on the top of the shielding support frame comprises a sealing plate and a decorative plate. The plate body at the top of the supporting frame can play a role in sealing when the integral connection strength of the suspended ceiling is enhanced, and the suspended ceiling illumination is prevented from being influenced by impurities such as light leakage and dust.

As shown in fig. 12, the sealing plates include a first sealing plate 9, a second sealing plate 10 and a third sealing plate 11, which are respectively corresponding to the first horizontal plate 1, the second horizontal plate 2 and the third horizontal plate 3, each sealing plate is connected end to form a rectangular sealing plate corresponding to the support frame, and the rectangular sealing plates are fixed on the third flanging 303 and the second flanging 203. In a rectangular closure plate, the first closure plate 9 and the second closure plate 10 are oppositely disposed and the two third closure plates 11 are oppositely disposed between the first closure plate 9 and the second closure plate 10.

Specifically, as shown in fig. 13, the first sealing plate 9 and the second sealing plate 10 are provided with a first outward flange at a side close to the third sealing plate 11, and two corresponding sides of the third sealing plate 11 are provided with second outward flanges, and the second flanges are arranged on the first flanges to connect the first sealing plate 9, the second sealing plate 10 and the third sealing plate 11. Connect through the form of scrap (bridge), not only can improve connection stability, and can further prevent that the dust from falling into the furred ceiling.

The connection mode of the decorative plate and the first and second seal plates is the same as that of the third seal plate and the first and second seal plates, and the description is omitted here.

The connection mode of the decorative plate and the third sealing plate 11 is as shown in fig. 14, the decorative plate comprises a middle decorative plate 4 and a movable plate 5, an outward third overlap edge is arranged on one side, close to the decorative plate, of the third sealing plate 11, two fourth overlap edges bent in the same direction are arranged on two sides of the middle decorative plate 4, and the movable plate 5 is provided with two fifth overlap edges bent in opposite directions.

In order to realize the movement of the movable plate, one of the two fourth overlap edges is arranged to be overlapped and fixed above one of the third overlap edges, and the other one is used for overlapping the fifth overlap edge. One of the two fifth overlapping edges is movably overlapped above the fourth overlapping edge, and the other of the two fifth overlapping edges is movably overlapped above the other third overlapping edge. Decorative board or shrouding except that the fly leaf can be connected with the carriage through modes such as gluing, welding or bolt, avoids the shake of furred ceiling part or drops.

To improve the lighting in the middle of the suspended ceiling, a second light fixture 16 is provided in this embodiment. In an embodiment, the second lamp 16 is a strip, and the extension path of the strip corresponds to the extension path of the light incident side of the transparent plate, so as to utilize the illumination effect of the second lamp 16 to the maximum extent.

In another embodiment, two second lamps 16 are provided, and the two second lamps 16 are oppositely arranged in the support frame. The two second lamps 16 are arranged according to the positions of the light incident sides of the light-transmitting plates. Preferably, the two second light fixtures 16 are symmetrically arranged in the support frame to avoid the influence of the asymmetric illumination of the suspended ceiling on the aesthetic effect. In one embodiment, the two second lamps 16 may be implemented by using a pair of lamps, and the light is soft and not dazzling by using the principle of light supplement.

In one embodiment, as shown in fig. 15, the second light fixture 16 is mounted on the support frame by a connector. The connecting piece comprises a folded plate 17 fixed with the supporting frame, a clamp spring 23 is connected to the folded plate 17 through a screw 22 and a nut 24, and the second lamp 16 is detachably embedded in the clamp spring 23 so as to facilitate the later-stage detachment and installation of the second lamp 16.

In the installation of the suspended ceiling, the installation of the suspended ceiling and the car is generally realized by a suspended ceiling assembly. In one embodiment, as shown in fig. 16-17, the hoist assembly includes a first hoist assembly 13 and a second hoist assembly 14. The first hanging assemblies 13 and the second hanging assemblies 14 are alternately arranged on the support frame.

The first hanging module 13 and the second hanging module 14 are composed of hanging plates, a sleeve 27, a screw 28, a large nut 29, a washer 30 and a press-riveting nut 31, wherein the first hanging plate 25 of the first hanging module 13 and the second hanging plate 26 of the second hanging module 14 are symmetrical structures, a first identification hole 2501 is formed in the first hanging plate 25, and a second identification hole 2601 is formed in the second hanging plate 26 to prevent confusion during installation.

In one embodiment, emergency lighting is mounted on the support frame. Emergency lighting can guarantee the interim illumination when the car cuts off the power supply, and emergency light 15 adopts jump ring formula installation fixed, can directly dismantle the change in the car, and emergency light 15's concrete position is unified with car control box position. For example: if the control box is arranged on the right side, the emergency lamp is arranged on the right side of the supporting frame; if the control box is arranged on the left side, the emergency lamp is arranged on the left side of the supporting frame.

In one embodiment, shown in fig. 18, the ceiling itself has a net thickness T1, T1 being up to a minimum of 60mm, which takes up very little space in the height direction relative to the prior art. It is easily understood that in other embodiments, the net thickness of the suspended ceiling may be increased according to actual needs, and the increase of the net thickness may be realized by increasing the height of the supporting frame or changing the installation position of the lamp.

The hanging thickness of the suspended ceiling is T2, when the air outlet mode of the upper car roof is a fan, a certain space needs to be reserved between the suspended ceiling and the upper car roof to ensure smooth air outlet, the reserved space is 30-40 mm, and the hanging thickness of the suspended ceiling is 90-100 mm; if go up the sedan-chair top air-out mode when the air conditioner, then the suspended ceiling can be less with last between the sedan-chair top, and T2 can be almost equal to T1 this moment, and the hang of suspended ceiling hangs thickness and can reduce to 60mm, is showing to reduce the occupation of suspended ceiling to the car space, has reduced the extravagant and cost-push in invalid space, has satisfied the demand of elevator producer and construction side.

The suspended ceiling can be used for opening the safety window, the safety requirements which are more and more important are met, the suspended ceiling structure and the assembly process thereof are simple, mass production can be realized, and the production cost is saved. The ceiling appearance is simple and generous, and the visible face does not have connecting holes such as screw, and first lamps and lanterns and second lamps and lanterns can adopt different colour temperatures, realize that cold and warm light is complementary, make the car atmosphere nimble lively. In addition, the convenience of later-stage lamp maintenance is further considered during ceiling design, maintenance operation is simple, and maintenance cost is reduced.

It should be noted that the reference to inside and outside in this application is made to the inside and outside of the ceiling in use, and the reference to the orientation of the ceiling above, below, etc. is made to the ceiling in use.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A car ceiling, comprising:

a horizontally disposed support frame;

the first lamp is detachably connected to the outer edge of the supporting frame, and in a use state, the first lamp irradiates downwards, and does not exceed the supporting frame in the height direction;

the light guide plate comprises a plate body for shielding the bottom of the support frame, wherein at least one part of the plate body is a light transmission plate, one side of the light transmission plate in the horizontal direction is a light incident side, and the bottom surface of the light transmission plate is a light emergent surface;

and the second lamp is arranged on one side of the light-transmitting plate in the horizontal direction, and the irradiation direction of the second lamp faces to the light inlet side of the light-transmitting plate.

2. A car ceiling as claimed in claim 1, wherein the minimum net thickness of the car ceiling is 60 mm.

3. A car ceiling as set forth in claim 1, wherein the first light fitting has an elongated shape with both ends extending along the outer edge of the support frame.

4. A car ceiling as claimed in claim 1, wherein there are two first light fittings arranged opposite each other on the outer edge of the support frame.

5. The suspended ceiling of a lift car as claimed in claim 1, wherein the first lamp is connected to the outer edge of the support frame through a lamp holder, the lamp holder is provided with a plurality of gourd holes, corresponding sides of the outer edge of the support frame are provided with convex columns embedded in the gourd holes, and the lamp holder and the support frame are detachably connected through the gourd holes and the convex columns.

6. A car ceiling as defined in claim 1, wherein said panel body comprises two light-transmitting panels arranged opposite each other on the inner edge of the support frame, an escape gap being provided between the two light-transmitting panels, at least a portion of the escape gap serving as a safety window.

7. A car ceiling as claimed in claim 6, including a decorative panel mounted on top of the support frame for shielding the escape gap, one of the panels being a movable panel corresponding to the security window, the movable panel being postured by lifting to move out of the range of the security window.

8. The car ceiling of claim 1, wherein the second light fitting is elongated, and the elongated extension path corresponds to the extension path of the light incident side of the light-transmitting panel.

9. A car ceiling as claimed in claim 1, wherein there are two second light fittings and the two second light fittings are oppositely disposed within the support frame.

10. The suspended ceiling of a car as claimed in claim 1, wherein the second lamp is mounted on the support frame by a connector, the connector including a snap spring fixedly mounted with the support frame, the second lamp being detachably fitted on the snap spring.

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