CN220851958U - Lamp and ceiling assembly thereof - Google Patents

Abstract

The application belongs to the technical field of lighting fixtures, and particularly relates to a lamp and a ceiling assembly thereof. The ceiling assembly of the lamp comprises a ceiling disc and a ceiling box, wherein a first electric connecting piece and a first hanging part are arranged on the ceiling disc at intervals, the first electric connecting piece is detachably connected with the ceiling disc, a second electric connecting piece and a second hanging part are arranged on the ceiling box at intervals, the first hanging part is rotationally hung with the second hanging part, and the first electric connecting piece is in electric contact with the second electric connecting piece under the condition that the first hanging part is hung with the second hanging part. When the ceiling assembly is installed, the first electric connecting piece can be detached and then connected with the external lead, so that the wiring difficulty of the lamp can be reduced, the lamp is not required to be lifted in the wiring process, and the potential safety hazard caused by falling of the lamp can be avoided.

Description

Lamp and ceiling assembly thereof

Technical Field

The application belongs to the technical field of lighting fixtures, and particularly relates to a lamp and a ceiling assembly thereof.

Background

The lamps are common tools for illumination, and various lamps comprise a ceiling lamp, a spotlight, a pendant lamp, a wall lamp and the like, and at present, a plurality of lamps need to be installed on installation surfaces such as a wall or a ceiling and the like to ensure the stability of illumination areas and illumination intensity. Because the lamp needs to be connected with an external lead, when the current lamp is installed, a user needs to lift the lamp to a certain height and then wire the lamp, so that the wire connection difficulty of the lamp is increased; and the user is easy to drop in the process of lifting the lamp, so that the lamp has certain potential safety hazard.

Disclosure of utility model

The embodiment of the application aims to provide a lamp and a ceiling assembly thereof, which can solve the problems of high wiring difficulty and easy falling during installation of the existing lamp.

In order to solve the technical problems, the application is realized as follows:

in a first aspect, an embodiment of the present application provides a ceiling assembly of a lamp, including a ceiling tray and a ceiling box, wherein a first electrical connector and a first hanging portion are disposed on the ceiling tray at intervals, the first electrical connector is detachably connected with the ceiling tray, a second electrical connector and a second hanging portion are disposed on the ceiling box at intervals, the first hanging portion is rotationally hung with the second hanging portion, and under the condition that the first hanging portion is hung with the second hanging portion, the first electrical connector is in electrical contact with the second electrical connector.

In a second aspect, an embodiment of the present application provides a lamp, including the ceiling assembly described above.

In the embodiment of the application, the ceiling assembly comprises a ceiling disc and a ceiling box, wherein the ceiling disc is used for being connected with a mounting surface, the ceiling box is used for mounting a lighting assembly of a lamp, a first electric connecting piece and a first hanging part are arranged on the ceiling disc, the first electric connecting piece is detachably connected with the ceiling disc, and a second electric connecting piece and a second hanging part are arranged on the ceiling box. When the ceiling assembly is installed, the ceiling disc can be firstly installed on the installation surface, the first electric connecting piece is detached from the ceiling disc, the first electric connecting piece is installed on the ceiling disc after being connected with an external wire, and then the ceiling box is rotatably hung on the ceiling disc, so that the first electric connecting piece and the second electric connecting piece are electrically conducted, and power is supplied to the lighting assembly of the lamp. Therefore, when the ceiling assembly is installed, the first electric connecting piece can be detached and then connected with the external lead, so that the wiring difficulty of the lamp can be reduced, the lamp does not need to be lifted in the wiring process, and the potential safety hazard caused by falling of the lamp can be avoided.

Drawings

FIG. 1 is an exploded view of a roof assembly according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of an assembly of a suction cup and a first electrical connector according to an embodiment of the present application;

Figures 3-4 are cross-sectional views of a portion of the construction of a ceiling assembly as disclosed in an embodiment of the present application;

Fig. 5 to 6 are block diagrams of a first electrical connector according to an embodiment of the present application under different viewing angles;

FIG. 7 is a schematic view illustrating an assembly of a snap plate, a first hanging tab and a second hanging tab according to an embodiment of the present application;

Fig. 8 is an assembly schematic diagram of a first electrical connector, a snap plate, a first hanging tab and a second hanging tab according to an embodiment of the present application.

Reference numerals illustrate:

100-ceiling disc, 110-first electric connector, 111-hanging edge, 112-mounting notch, 113-positioning convex part, 120-first hanging part, 121-hanging section, 122-inserting section, 130-disc body, 140-hanging plate, 150-first positioning concave part, 160-first hanging convex part, 161-second positioning concave part, 170-second hanging convex part, 180-quick connection plate, 190-coaming, 200-ceiling box, 210-second electric connector, 220-second hanging part, 221-cylinder, 222-hanging convex part, 230-avoiding groove, 300-positioning bead and 400-screw connector.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that some, but not all embodiments of the application are described. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

The lamp and the ceiling assembly thereof provided by the embodiment of the application are described in detail below by means of specific embodiments and application scenes thereof with reference to the accompanying drawings.

As shown in fig. 1 to 8, an embodiment of the present application discloses a ceiling assembly of a lamp, which includes a ceiling tray 100 and a ceiling box 200. Specifically, the ceiling tray 100 is used to connect with a mounting surface such as a wall, a ceiling, etc., and the ceiling box 200 is used to mount a lighting assembly of a light fixture.

The first electric connector 110 and the first hooking portion 120 are arranged on the suction top plate 100 at intervals, the first electric connector 110 is detachably connected with the suction top plate 100, the second electric connector 210 and the second hooking portion 220 are arranged on the suction top plate 200 at intervals, the first hooking portion 120 is rotatably hooked with the second hooking portion 220, and the first electric connector 110 is electrically contacted with the second electric connector 210 under the condition that the first hooking portion 120 is hooked with the second hooking portion 220.

In the embodiment of the present application, the first electrical connector 110 and the first hooking portion 120 are disposed on the suction top tray 100, the first electrical connector 110 is detachably connected to the suction top tray 100, and the suction top box 200 is disposed with the second electrical connector 210 and the second hooking portion 220. When the ceiling assembly of the present application is installed, the ceiling tray 100 may be first installed on the installation surface, the first electrical connector 110 may be detached from the ceiling tray 100, the first electrical connector 110 may be connected to an external wire, then the first electrical connector 110 may be installed on the ceiling tray 100, and then the ceiling box 200 may be rotatably connected to the ceiling tray 100, so that the first electrical connector 110 and the second electrical connector 210 may be electrically connected to supply power to the lighting assembly of the lamp. Therefore, when the ceiling assembly is installed, the first electric connector 110 can be detached and then connected with the external lead, so that the wiring difficulty of the lamp can be reduced, and the lamp does not need to be lifted in the wiring process, so that the potential safety hazard caused by falling of the lamp can be avoided.

In an alternative embodiment, one of the first and second hooking portions 120 and 220 is a hooking groove extending in an arc direction, the other of the first and second hooking portions 120 and 220 is a connection post, the connection post includes a post 221 and a hooking protrusion 222, the hooking protrusion 222 is provided on the post 221 and protrudes from an outer circumferential surface of the post 221, the hooking groove has an insertion opening through which the post 221 can enter or exit the hooking groove, and in the case that the post 221 enters the hooking groove, the hooking protrusion 222 can be hooked with a groove edge of the hooking groove, that is, in a vertical direction, an orthographic projection of a portion of the post 221 engaged with the hooking groove is located within an orthographic projection of the hooking groove, and at least a portion of the orthographic projection of the hooking protrusion 222 is located outside the orthographic projection of the hooking groove, and the hooking protrusion 222 is in a limit engagement with the groove edge of the hooking groove in a vertical downward direction.

In this embodiment, the connection post includes a post 221 and a hooking protrusion 222, the hooking protrusion 222 protrudes from the post 221, the hooking groove extends along an arc direction, when the suction top box 200 is hooked with the suction top tray 100, the connection post is only required to be aligned with the insertion opening of the hooking groove, and then the suction top box 200 is lifted and rotated, at this time, the suction top box 200 moves along the extending direction of the hooking groove relative to the suction top tray 100, so that the post 221 of the connection post passes through the insertion opening to enter the hooking groove, and after the suction top box 200 is released, the hooking protrusion 222 is hooked with the groove edge of the hooking groove, thereby assembling the suction top box 200 onto the suction top tray 100. It can be seen that, in this embodiment, the suction top box 200 is hung on the suction top plate 100 through the connection post and the hanging slot, and in the hanging process, the two side walls of the hanging slot can limit the connection post to prevent the dislocation of the suction top box 200 and the suction top plate 100.

In an alternative embodiment, the first hooking portion 120 is a hooking groove, the suction disc 100 includes a disc body 130 and a hanging plate 140, the hanging plate 140 is disposed on the disc body 130 and is spaced apart from the disc body 130 in a vertical direction, the hooking groove is disposed on the hanging plate 140, and an accommodating space for accommodating the hooking protrusion 222 is provided between the hanging plate 140 and the disc body 130. In this embodiment, the suction top box 200 includes a tray body 130 and a hanging plate 140 which are distributed at intervals in the vertical direction and are connected, and the hanging slot is formed in the hanging plate 140, so that a slot on the tray body 130 can be avoided, so as to prevent the structural strength of the tray body 130 from being reduced; in addition, after the hanging plate 140 is arranged on the tray 130, the structural strength of the tray 130 can be further enhanced, and the tray 130 is prevented from being damaged. Of course, the hanging slot may be directly formed on the tray 130, and the hanging plate 140 may not be provided on the suction tray 100.

Optionally, the suction top tray 100 further includes a shroud 190, the hanging plate 140 is connected with the tray body 130 through the shroud 190, the shroud 190 is disposed around each edge of the hanging plate 140, the accommodating space is located in the shroud 190, a notch is disposed on a side, close to the insertion opening, of the shroud 190, and the hanging protrusion 222 can pass through the notch to enter the accommodating space, so that the strength of the tray body 130 can be further increased in this embodiment.

In an alternative embodiment, the hooking recess comprises a hooking section 121 and an insertion section 122 which are connected, the insertion section 122 extending to the edge of the hooking plate 140, the width of the insertion section 122 being gradually reduced in the direction in which the cylinder 221 is inserted into the hooking recess. In this embodiment, the insertion section 122 extends to the edge of the hanging plate 140, the opening of the insertion section 122 at the edge of the hanging plate 140 is the insertion opening, and the slot width of the insertion section 122 is gradually reduced in the direction that the column 221 is inserted into the hanging slot, that is, the slot width of the portion of the insertion section 122 near the edge of the hanging plate 140 is larger, the slot width of the portion of the insertion section 122 far from the edge of the hanging plate 140 is smaller, and when the suction top box 200 is assembled, the column 221 first passes through the portion of the insertion section 122 near the edge of the hanging plate 140 to enter the hanging slot, so that the slot width of the portion of the insertion section 122 near the edge of the hanging plate 140 is larger to facilitate the column 221 to enter the hanging slot. Of course, the hooking grooves may be uniform width grooves, i.e., the groove width of the hooking grooves remains constant in the direction in which the cylinder 221 is inserted into the hooking grooves.

In order to reduce the space occupied by the ceiling assembly in the vertical direction, in an alternative embodiment, the ceiling box 200 is provided with a avoidance slot 230, the connection post is disposed in the avoidance slot 230, and the hanging plate 140 is disposed in the avoidance slot 230 when the first hanging portion 120 is hung from the second hanging portion 220. In this embodiment, when the first hooking portion 120 is hooked with the second hooking portion 220, the hanging plate 140 on the ceiling tray 100 is located in the avoidance groove 230 on the ceiling box 200, so that the gap between the ceiling box 200 and the ceiling tray 100 can be reduced, and the space occupied by the ceiling assembly in the vertical direction can be reduced.

In order to prevent the set-top box 200 from rotating excessively during the assembly of the set-top box 200, thereby causing the set-top box 200 not to be located at a preset installation position, in an alternative embodiment, one of the set-top box 100 and the set-top box 200 is provided with a positioning bead 300, and the other of the set-top box 200 and the set-top box 100 is provided with a first positioning recess 150, the positioning bead 300 and the first positioning recess 150 being in a positioning engagement in the case that the first hooking portion 120 is hooked with the second hooking portion 220.

In this embodiment, one of the suction top box 200 and the suction top tray 100 is provided with a positioning bead 300, the other is provided with a first positioning recess 150, and in the process of rotating the suction top box 200 to enable the suction top box 200 to be connected with the suction top tray 100 in a hanging manner, the positioning bead 300 is matched with the first positioning recess 150 in a positioning manner, in this case, the rotation of the suction top box 200 can be stopped to prevent the suction top box 200 from rotating excessively, and the suction top box 200 is located at a preset installation position, at this time, the first hanging portion 120 is connected with the second hanging portion 220 in a hanging manner, and the suction top box 200 is connected with the suction top tray 100.

In an alternative embodiment, in the suction top plate 100 and the suction top box 200, one of which is provided with the positioning bead 300 is provided with a mounting hole, the positioning bead 300 includes a bead body and an elastic member, both ends of the elastic member are respectively connected with the bead body and the inner wall of the mounting hole, and a part of the bead body is positioned in the mounting hole in a natural state of the elastic member.

If the positioning bead 300 does not include an elastic member, taking the case that the positioning bead 300 is disposed on the suction top box 200 as an example, the bead body of the positioning bead 300 protrudes from the top surface of the suction top box 200, and before the positioning bead 300 is not aligned with the first positioning recess 150 in the process of hanging the suction top tray 100, at least one of the suction top tray 100 and the suction top box 200 needs to be deformed to compensate the height of the portion of the bead body protruding from the suction top box 200, which easily causes damage to the suction top tray 100 and the suction top box 200. In this embodiment, the positioning bead 300 includes a bead body and an elastic member, two ends of the elastic member are respectively connected with the bead body and an inner wall of the mounting hole, a part of the bead body is located in the mounting hole, another part of the bead body is located outside the mounting hole in a natural state of the elastic member, the portion of the bead body located outside the mounting hole is pressed by the suction top tray 100 or the suction top box 200 in the process of hanging the suction top box 200, at this time, the elastic member is elastically deformed, the portion of the bead body located outside the mounting hole enters the mounting hole, at this time, the bead body is completely located inside the mounting hole, so that damage caused by deformation of the suction top tray 100 or the suction top box 200 can be avoided. Alternatively, the elastic member may be a spring, a shrapnel, an elastic sleeve, or the like.

In an alternative embodiment, the first electrical connector 110 is provided with a hanging edge 111, the hanging edge 111 is provided with a mounting notch 112, the ceiling disc 100 includes a disc body 130, a first hanging protrusion 160 and a second hanging protrusion 170, the first hanging protrusion 160 and the second hanging protrusion 170 are disposed on the same side of the disc body 130, a gap for the hanging edge 111 to pass through is formed between the first hanging protrusion 160 and the second hanging protrusion 170 and the disc body 130, the first electrical connector 110 can rotate relative to the disc body 130 and can rotate from a hanging position to a separating position, and the hanging edge 111 is hung on the first hanging protrusion 160 and the second hanging protrusion 170 when the first electrical connector 110 is located at the hanging position; with the first electrical connector 110 in the separated position, at least one of the first and second hanging protrusions 160 and 170 is opposite to the mounting notch 112, and the first electrical connector 110 may be separated from the tray 130. Optionally, the solution of at least one of the first hanging protrusion 160 and the second hanging protrusion 170 opposite to the mounting notch 112 includes at least two: first, the number of the mounting notches 112 is two, and the first hanging convex part 160 and the second hanging convex part 170 are respectively opposite to the two mounting notches 112; and secondly, the number of the mounting notches 112 is one, one of the first hanging convex part 160 and the second hanging convex part 170 is opposite to the mounting notch 112, and the other is arranged in a dislocation way with the hanging edge 111.

When the first electrical connector 110 is required to be mounted on the tray 130 in this embodiment, the hanging edge 111 can be aligned with one of the slots, and then the first electrical connector 110 is rotated to a hanging position, where the first hanging protrusion 160 and the second hanging protrusion 170 are opposite to the hanging edge 111, and the first hanging protrusion 160 and the second hanging protrusion 170 are offset from the mounting notch 112, in which case the hanging edge 111 is in limit fit with the first hanging protrusion 160 and the second hanging protrusion 170 in a vertically downward direction, and the first electrical connector 110 is hung on the tray 130; when the first electrical connector 110 needs to be separated from the tray 130, the first electrical connector 110 is only required to be rotated to the separated position, and at least one of the first hanging protrusion 160 and the second hanging protrusion 170 is opposite to the mounting notch 112, so that the first electrical connector 110 can be detached from the tray 130. It can be seen that the first electrical connector 110 can be assembled and disassembled by rotating the first electrical connector 110, and the assembly and the disassembly are simple.

In an alternative embodiment, the suction top plate 100 further includes a snap plate 180, the snap plate 180 is connected to the plate 130 by a threaded connection 400, the first hanging protrusion 160 and the second hanging protrusion 170 are located on the same side of the plate 130 and are connected to the snap plate 180, a gap is formed between the first hanging protrusion 160 and the second hanging protrusion 170 and the snap plate 180 for the hanging edge 111 to pass through, and the first electrical connection 110 is rotatable relative to the snap plate 180. In this embodiment, the quick connection plate 180 is connected to the tray 130 through the threaded connection 400, and the first hanging protrusion 160 and the second hanging protrusion 170 are connected to the quick connection plate 180, so that when the first hanging protrusion 160 or the second hanging protrusion 170 is damaged, only the quick connection plate 180 needs to be replaced, and the whole tray 130 does not need to be replaced, thereby reducing maintenance cost.

In order to prevent the first electrical connector 110 from rotating excessively during assembly of the first electrical connector 110, thereby causing the first electrical connector 110 not to be located in the predetermined mounting position, in an alternative embodiment, the first hanging protrusion 160 is provided with a second positioning recess 161, and the hanging edge 111 is further provided with a positioning protrusion 113, and in the case that the first electrical connector 110 is located in the hanging position, the positioning protrusion 113 is in positioning engagement with the second positioning recess 161. In this embodiment, the first hanging protrusion 160 is provided with the second positioning recess 161, the hanging edge 111 is further provided with the positioning protrusion 113, and during the process of rotating the first electrical connector 110 to suspend the first electrical connector 110 to the ceiling tray 100, the positioning protrusion 113 is matched with the second positioning recess 161 in a positioning manner, in this case, the rotation of the first electrical connector 110 can be stopped, so as to prevent the first electrical connector 110 from rotating excessively, and the first electrical connector 110 is located at a predetermined mounting position, at this time, the hanging edge 111 is suspended on the first hanging protrusion 160 and the second hanging protrusion 170, and the first electrical connector 110 is connected to the ceiling tray 100.

The embodiment of the application also discloses a lamp, which comprises the ceiling assembly in any embodiment. When the ceiling assembly is installed, the first electric connector 110 can be detached firstly and then connected with an external lead, so that the wiring difficulty of the lamp can be reduced, and the lamp does not need to be lifted in the wiring process, so that the potential safety hazard caused by falling of the lamp can be avoided.

The foregoing embodiments of the present application mainly describe differences between the embodiments, and as long as there is no contradiction between different optimization features of the embodiments, the embodiments may be combined to form a better embodiment, and in view of brevity of line text, no further description is provided herein. The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.

Claims (11)

1. The utility model provides a ceiling assembly of lamps and lanterns, its characterized in that includes ceiling pan (100) and ceiling box (200), be equipped with first electric connector (110) and first articulated portion (120) on ceiling pan (100) with the interval, first electric connector (110) with ceiling pan (100) can dismantle and be connected, be equipped with second electric connector (210) and second articulated portion (220) on ceiling box (200) with the interval, first articulated portion (120) with rotatory articulated of second articulated portion (220), and under first articulated portion (120) with second articulated portion (220) articulated condition, first electric connector (110) with second electric connector (210) electrical contact.

2. The ceiling assembly according to claim 1, wherein one of the first hooking portion (120) and the second hooking portion (220) is a hooking groove extending in an arc direction, the other of the first hooking portion (120) and the second hooking portion (220) is a connection column including a column body (221) and a hooking protrusion (222), the hooking protrusion (222) is provided at the column body (221) and protrudes from an outer circumferential surface of the column body (221), the hooking groove has an insertion opening through which the column body (221) can be inserted into or withdrawn from the hooking groove, and the hooking protrusion (222) can be hooked with a groove edge of the hooking groove in a case where the column body (221) is inserted into the hooking groove.

3. The ceiling assembly according to claim 2, wherein the first hooking portion (120) is a hooking groove, the ceiling tray (100) includes a tray body (130) and a hanging plate (140), the hanging plate (140) is disposed on the tray body (130) and is spaced apart from the tray body (130) in a vertical direction, the hooking groove is disposed on the hanging plate (140), and an accommodating space for accommodating the hooking protrusion (222) is provided between the hanging plate (140) and the tray body (130).

4. A ceiling assembly according to claim 3, wherein the hooking recess comprises a hooking section (121) and an insertion section (122) in communication, the insertion section (122) extending to the edge of the hanging plate (140), the slot width of the insertion section (122) gradually decreasing in the direction of insertion of the cylinder (221) into the hooking recess.

5. A ceiling assembly according to claim 3, wherein the ceiling box (200) is provided with a avoidance groove (230), the connection post is disposed in the avoidance groove (230), and the hanging plate (140) is disposed in the avoidance groove (230) when the first hanging portion (120) is hung with the second hanging portion (220).

6. The set of claim 1, wherein one of the set of suction top (100) and the set of suction top (200) is provided with a positioning bead (300), the other of the set of suction top (100) and the set of suction top (200) is provided with a first positioning recess (150), the positioning bead (300) and the first positioning recess (150) being in a positioning fit with the first hooking portion (120) hooked with the second hooking portion (220).

7. The ceiling assembly according to claim 6, wherein one of the ceiling tray (100) and the ceiling box (200) provided with the positioning bead (300) is provided with a mounting hole, the positioning bead (300) comprises a bead body and an elastic member, both ends of the elastic member are respectively connected with the bead body and the inner wall of the mounting hole, and a part of the bead body is positioned in the mounting hole in a natural state of the elastic member.

8. The ceiling assembly according to claim 1, wherein the first electrical connector (110) is provided with a hanging edge (111), the hanging edge (111) is provided with a mounting notch (112),

The suction top disc (100) comprises a disc body (130), a first hanging convex part (160) and a second hanging convex part (170), wherein the first hanging convex part (160) and the second hanging convex part (170) are arranged on the same side of the disc body (130), gaps for the hanging edges (111) to pass through are formed between the first hanging convex part (160) and the second hanging convex part (170) and the disc body (130),

The first electric connector (110) can rotate relative to the disc body (130) and can rotate from a hanging position to a separating position, and the hanging edge (111) is hung on the first hanging convex part (160) and the second hanging convex part (170) under the condition that the first electric connector (110) is positioned at the hanging position; with the first electrical connector (110) in the separated position, at least one of the first and second hanging protrusions (160, 170) is opposite the mounting notch (112), the first electrical connector (110) being separable from the tray (130).

9. The ceiling assembly according to claim 8, wherein the ceiling pan (100) further comprises a snap plate (180), the snap plate (180) is connected to the pan body (130) by a threaded connection (400), the first suspension tab (160) and the second suspension tab (170) are located on the same side of the pan body (130) and are connected to the snap plate (180), a gap for the suspension edge (111) to pass through is provided between the first suspension tab (160) and the second suspension tab (170) and the snap plate (180), and the first electrical connection (110) is rotatable relative to the snap plate (180).

10. The ceiling assembly according to claim 8, characterized in that the first hanging protrusion (160) is provided with a second positioning recess (161), the hanging edge (111) is further provided with a positioning protrusion (113), and the positioning protrusion (113) is in positioning engagement with the second positioning recess (161) in case the first electrical connector (110) is in the hanging position.

11. A light fixture comprising a ceiling assembly as recited in any one of claims 1 to 10.