CN211594708U

CN211594708U - Reinforced elevator suspended ceiling

Info

Publication number: CN211594708U
Application number: CN201922340856.4U
Authority: CN
Inventors: 王培森; 陈文燕; 朱亚运
Original assignee: Hangzhou Xo Lift Co Ltd
Current assignee: Hangzhou Xo Lift Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-29
Anticipated expiration: 2029-12-23

Abstract

The application provides an elevator furred ceiling of box structure of strenghthened type, the installing port has been seted up to the box diapire, and the box diapire turns over a formation two horizontal installation departments at the edge of installing port in the box, and the top of horizontal installation department is equipped with the horizontal hem of support, is connected with between two horizontal installation departments and separates the installing port for the ornamental strip in a plurality of light areas, and each light area is equipped with the lamp frame board, and each lamp frame board includes: the top of the lamp frame is folded and fixed with the top wall of the box body structure; the middle edge of the lamp frame is folded and fixed with the supporting horizontal edge; the upright folded edge on the lamp frame is connected between the folded edge at the top of the lamp frame and the folded edge at the middle part of the lamp frame; the lower vertical folded edge of the lamp frame is formed by downward extending the edge of the folded edge in the middle of the lamp frame, and two sides of the light-transmitting plate are abutted against the lower vertical folded edge of the lamp frame for limiting; the lamp frame bottom is curled, and the lamp frame is formed by bending the bottom of the lower vertical folded edge of the lamp frame. The application provides an elevator furred ceiling of strenghthened type, can be better prevent rocking of light-passing board, and easy maintenance.

Description

Reinforced elevator suspended ceiling

Technical Field

The application relates to the technical field of elevators, in particular to a reinforced elevator suspended ceiling.

Background

The elevator suspended ceiling is a decorative structure installed in the car, the light-passing board is installed to the bottom surface of usual elevator suspended ceiling, and the light source installed inside the elevator suspended ceiling passes through the light-passing board and projects light towards the inside of the car. In order to facilitate the detachment of the light-transmitting plate, a plurality of limiting structures which are abutted against the edge of the light-transmitting plate are generally arranged in the elevator ceiling to limit the horizontal movement of the light-transmitting plate. Specifically, some elevator suspended ceilings are bent to form a limiting structure directly through the edge part of the suspended ceiling bottom wall, and some elevator suspended ceilings are limited at four corners of the light-transmitting plate through limiting parts connected with the bottom frame of the elevator suspended ceiling. In a word, each limit structure finally comes from the diapire of elevator furred ceiling to the horizontal effort of light-passing board, in case limit structure takes place bending deformation, will add the rocking that glues bonding could just prevent the light-passing board at the edge of light-passing board, the maintenance of not being convenient for.

SUMMERY OF THE UTILITY MODEL

The application provides an elevator furred ceiling of strenghthened type, what can be better prevents rocking of light-passing board, and easy maintenance.

The application provides an elevator furred ceiling of strenghthened type, elevator furred ceiling is the box structure, the box structure has mutually perpendicular's transversely and vertically in the horizontal plane, the installing port has been seted up to the box diapire of box structure, and the box diapire turns over towards the box internal book and forms the supporting part at the edge of installing port, and wherein two supporting parts of horizontal mutual disposition are horizontal installation department, and the top of horizontal installation department is equipped with support horizontal hem, is connected with many ornamental strips between two horizontal installation departments, and each ornamental strip will the installing port is separated for a plurality of light areas, and each light area is equipped with the light-passing board respectively, and the horizontal both ends in each light area are equipped with the lamp frame board:

the top edge of the lamp frame is attached and fixed with the top wall of the box body structure;

the middle folded edge of the lamp frame is attached and fixed with the horizontal support folded edge;

the upright folded edge on the lamp frame is connected between the folded edge at the top of the lamp frame and the folded edge in the middle of the lamp frame;

the lower vertical folded edge of the lamp frame is formed by downward extending of the edge of the folded edge in the middle of the lamp frame, and the two transverse sides of the light-transmitting plate abut against the lower vertical folded edge of the lamp frame on the corresponding side for limiting;

the lamp frame is turned at the bottom, the bottom of the lower vertical folded edge of the lamp frame is bent to form the lamp frame, and the two transverse ends of the light-transmitting plate are arranged on the top surface of the turned edge at the bottom of the lamp frame in an overlapped mode.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, a plurality of first mounting holes used for being fixed with the top wall of the box body are formed in the folded edge of the top of the lamp frame, a plurality of second mounting holes used for being fixed with the supporting horizontal folded edge are formed in the folded edge of the middle of the lamp frame, and the first mounting holes and the second mounting holes are arranged in a staggered mode in the transverse direction.

Optionally, the transverse mounting portion includes a supporting upright folded edge formed by upward extending the edge of the bottom wall of the box body, and a plurality of notches are formed in the top edge of the supporting upright folded edge; each notch will support upright hem and separate for vertical alternate arrangement's first support upright hem and the upright hem of second support, support horizontal hem and be formed by the top edge of the first support upright hem towards the horizontal direction extension, the second support upright hem as the picture peg graft in the bottom of ornamental strip.

Optionally, the supporting horizontal folded edge is formed by extending the top edge of the first supporting vertical folded edge in a direction back to the mounting opening.

Optionally, the ornamental strip includes:

the transverse extension length of the decorating strip bottom wall exceeds the distance between the two support vertical folding edges;

the two decorative strip side walls are formed by upwards extending the edges of the longitudinal two sides of the decorative strip bottom wall;

and the two transverse ends of the decorative strip are provided with slots matched with the inserting plates.

Optionally, the top of ornamental strip lateral wall is formed with the ornamental strip roof along vertical extension towards, and the vertical both sides in each light zone of appearing are equipped with the lantern strip, and each lantern strip includes:

the top of the lamp frame strip is folded and is attached and fixed with the top wall of the decorative strip;

the side walls of the lamp frame strips extend upwards from the edges of the longitudinal sides of the top folded edges of the lamp frame strips, the side walls of the lamp frame strips are attached to the side walls of the decorative strips on the corresponding sides, and the longitudinal two sides of the light-transmitting plate are abutted to the side walls of the lamp frame strips on the corresponding sides for limiting;

the lamp frame strip bottom curled edge is formed by bending the bottom of the side wall of the lamp frame strip, and the light-transmitting plate is arranged on the top surface of the bottom curled edge of the lamp frame strip.

Optionally, in the same light-emitting area, the top hems of the two lamp frame strips are positioned on the outer sides of the side walls of the two lamp frame strips.

Optionally, in the same trim strip, the top walls of the two trim strips are formed by extending the top edges of the side walls of the trim strips on the corresponding sides, and the top folded edge of the light frame strip is attached to the top surface of the top wall of the trim strip fixed to the corresponding side.

Optionally, the bezel bottom bead comprises:

the bottom edge of the lower vertical folded edge of the lamp frame extends towards the light emergent area to form a folded edge at the bottom of the lamp frame;

the inner side vertical folded edge of the lamp frame is formed by upwards extending the edge of the folded edge at the bottom of the lamp frame;

the lamp frame strip bottom crimping includes:

the bottom edge of the side wall of the lamp frame strip extends towards the light emergent area to form a folded edge;

the inner side of the lamp frame strip is provided with a vertical folded edge, and the edge of the folded edge at the bottom of the lamp frame strip extends upwards to form the vertical folded edge.

Optionally, the bottom surface of the bottom folded edge of the lamp frame is flush with the bottom surface of the bottom folded edge of the lamp frame strip.

The application provides an elevator furred ceiling of strenghthened type, can be better prevent rocking of light-passing board, and easy maintenance.

Drawings

Fig. 1 is a schematic structural view of a reinforced elevator ceiling in one embodiment;

fig. 2 is a schematic view of the elevator ceiling of fig. 1 from another perspective;

fig. 3 is an exploded view of the elevator ceiling of fig. 1;

fig. 4 is an internal structural view of the elevator ceiling of fig. 1 from a perspective;

fig. 5 is an internal structural view of the elevator ceiling of fig. 1 from another perspective;

FIG. 6 is an assembly view of a bezel plate and a bezel;

FIG. 7 is an enlarged view of area A of FIG. 4;

FIG. 8 is an enlarged view of area B of FIG. 5;

FIG. 9 is a schematic structural view of a bezel;

FIG. 10 is a schematic view of the connection between the support part and the bottom wall of the case;

fig. 11 is an enlarged view of region C in fig. 3.

The reference numerals in the figures are illustrated as follows:

1. the bottom wall of the box body; 2. a transverse mounting section; 21. supporting the horizontal folded edge; 22. supporting the upright folded edge; 221. the first support is vertically folded; 222. a second supporting upright folding edge; 23. a notch; 3. decorating strips; 31. a decorative strip bottom wall; 311. a slot; 32. a decorative strip side wall; 33. a decorative strip top wall; 4. a light-transmitting plate; 5. a lamp frame plate; 51. folding the top of the lamp frame; 511. a first mounting hole; 52. folding the middle part of the lamp frame; 521. a second mounting hole; 53. the lamp frame is vertically folded; 54. the lower vertical edge of the lamp frame is folded; 55. curling the bottom of the lamp frame; 551. folding the bottom of the lamp frame; 552. the inner side of the lamp frame is vertically folded; 6. the top wall of the box body; 61. a top plate; 62. reinforcing ribs; 63. a hanging seat; 7. a down lamp; 8. a lamp frame strip; 81. the top of the lamp frame strip is folded; 82. the side wall of the lamp frame strip; 83. the bottom of the lamp frame strip is folded; 84. the inner side of the lamp frame strip is vertically folded.

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 will be understood 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 a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components 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.

In an embodiment, the reinforced elevator ceiling is as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 7, the elevator ceiling is of a box structure, the box structure has a horizontal direction (i.e., X direction in fig. 1) and a longitudinal direction (i.e., Y direction in fig. 1) perpendicular to each other in a horizontal plane, a mounting opening is formed in a box bottom wall 1 of the box structure, the edge of the box bottom wall of the mounting opening is turned over toward the inside of the box to form a supporting portion, two supporting portions arranged transversely and oppositely are horizontal mounting portions 2, a supporting horizontal folded edge 21 is arranged at the top of each horizontal mounting portion, a plurality of decorative strips 3 are connected between the two horizontal mounting portions, each decorative strip 3 divides the mounting opening into a plurality of light emitting areas, each light emitting area is respectively provided with a light transmitting plate 4, and each light emitting area is provided with a lamp frame plate 5 at both transverse ends, each lamp, A lower rim upstanding flange 54 and a rim bottom bead 55.

The lamp frame top folded edge 51 is attached and fixed with the box top wall 6 of the box structure. The middle folding edge 52 of the lamp frame is abutted and fixed with the horizontal folding edge 21 of the support. The upper rim upright flange 53 is connected between the rim top flange 51 and the rim middle flange 52. The lower vertical hem 54 of the lamp frame is formed by extending the edge of the middle hem 52 of the lamp frame downwards, and the two transverse sides of the light-transmitting plate 4 are pressed against the lower vertical hem of the lamp frame on the corresponding side for limiting. The frame bottom curl 55 is formed by bending the bottom of the frame lower vertical hem 54, and the two lateral ends of the light-transmitting plate 4 are overlapped on the top surface of the frame bottom curl.

The transverse direction in the present embodiment is relative to the longitudinal direction in the present embodiment, and the longitudinal direction in the present embodiment is relative to the transverse direction in the present embodiment, and there is no fixed correspondence between the transverse direction and the longitudinal direction in the present embodiment and the installation environment of the elevator ceiling.

The box diapire 1 is the main part that the passenger sees in the car, and the outward appearance style of elevator furred ceiling mainly is embodied by the box diapire. In the horizontal direction, each supporting part encloses into closed annular structure, and the box bottom wall is divided into inside and outside two parts by annular structure. The outside of loop configuration is the round decorative board, can trompil and install down lamp 7 on the decorative board, forms the pointolite of annular distribution. The inside of the annular structure is provided with an installation opening, and bright areas and dark areas in the installation opening are alternately arranged along the longitudinal direction. The area corresponding to the lamp frame plate 5 and the decorative strip 3 is a dark area, and the area corresponding to the part of the light transmission plate 4 which is not shielded by the lamp frame plate 5 or the decorative strip 3 is a bright area. The bright zone is inside the light exit zone in this embodiment.

The top wall 6 of the housing and the support portion are connected together by upstanding flanges 53 on the frame. The gravity of the decoration strip 3 and the light-transmitting plate 4 can be directly transmitted to the box top wall 6 through the upright folded edge 53 on the lamp frame, and is not required to be transmitted to the box top wall 6 by depending on the box bottom wall at the periphery of the mounting opening, so that the box bottom wall at the periphery of the mounting opening is prevented from collapsing and deforming.

In the height direction, the bottom surface of the light-transmitting plate 4 is not lower than the bottom wall 1 of the box body. On horizontal, the both ends of light-passing board 4 are spacing by the hem 54 of standing vertically under the rim, and rim board 5 limit structure as an organic whole, limit structure's upper end and box roof 6 are connected, and limit structure's lower extreme and box diapire 1 are connected. The upper end and the lower end of the limiting structure are not free ends, so that the deformation of the limiting structure needs to overcome large stress, and the transverse shaking of the light-transmitting plate is better prevented.

In the horizontal longitudinal direction, the pressure of the light-transmitting plate 4 is transmitted to the decorative strip 3, the bottom surface of the decorative strip 3 and the bottom surface of the light-transmitting plate 4 are basically at the same height, and the light-transmitting plates 4 and the decorative strip 3 are mutually extruded, so that the light-transmitting plates are better prevented from longitudinally shaking.

The light-transmitting plate 4 in the embodiment is arranged on the lamp frame plate 5, and is not required to be fixed through bonding or fasteners, and the light-transmitting plate 4 only needs to be ejected upwards during replacement, so that the lamp frame plate is convenient to maintain.

In one embodiment, as shown in fig. 9, the top flap 51 of the lamp frame is provided with a plurality of first mounting holes 511 for fixing with the top wall of the case, and the middle flap 52 of the lamp frame is provided with a plurality of second mounting holes 521 for fixing with the supporting horizontal flap, and the first mounting holes and the second mounting holes are arranged in a staggered manner in the transverse direction. Be equipped with first fastener in the first mounting hole 511, the lamp frame board 5 is connected with box roof 6 through first fastener, is equipped with the second fastener in the second mounting hole 521, and the lamp frame board 5 is connected with box diapire 1 through the second fastener. In order to prevent the first fastening member and the second fastening member from interfering with each other when the first fastening member and the second fastening member are installed, the first installation hole and the second installation hole are arranged in a laterally offset manner.

Specifically, in an embodiment, as shown in fig. 8, 10 and 11, the transverse mounting portion 2 includes a supporting upright folding edge 22 formed by extending the edge of the bottom wall 1 of the box body upward, and a plurality of notches 23 are formed on the top edge of the supporting upright folding edge 22; each notch 23 divides the support upright folding edge into a first support upright folding edge 221 and a second support upright folding edge 222 which are alternately arranged in the longitudinal direction, the support horizontal folding edge 21 is formed by extending the top edge of the first support upright folding edge 221 towards the horizontal direction, and the second support upright folding edge 222 is used as an insert plate to be inserted at the bottom of the decorative strip.

The trim strip 3 comprises a trim strip bottom wall 31 and two trim strip side walls 32. The transverse extension length of the decorating strip bottom wall 31 exceeds the distance between the two supporting vertical folding edges; the two decorative strip side walls 32 are formed by upward extending of the edges of the longitudinal two sides of the decorative strip bottom wall; the two transverse ends of the trim strip are provided with slots 311 which are matched with the insert plate.

The slot 311 extends in the height direction up to half of the trim strip side wall 32 and the notch 23 extends down to half of the second supporting upright flap 222. After installation, the upper half of the second supporting upright hem 222 is located above the trim bottom wall 31, and the trim bottom wall 31 abuts against the top surface of the box bottom wall 1 to enhance the stability of the trim 3. The dimensions of the slot 23 in the horizontal longitudinal direction correspond to the thickness of the decorative strip side wall 32, limiting the longitudinal play of the decorative strip 3. The decorative strip 3 is fixed in an inserting mode, and transverse folding edges spliced with the decorative strip side walls 32 are not required to be arranged at the transverse ends of the decorative strip 3, so that the decorative strip is convenient to process.

In order to prevent the two lateral ends of the transparent plate 4 from interfering with the supporting horizontal folding edges 21 when the transparent plate 4 is ejected, in an embodiment, as shown in fig. 10, the supporting horizontal folding edges 21 are formed by extending the top edges of the first supporting vertical folding edges 22 in a direction away from the mounting opening.

Specifically, in one embodiment, as shown in fig. 3 and 8, the top edge of the trim sidewall 32 extends longitudinally to form a trim top wall 33, and two longitudinal sides of each light exit area are provided with the light frame strips 8, each light frame strip including a light frame strip top flange 81, a light frame strip sidewall 82 and a light frame strip bottom flange.

The top folded edge 81 of the lamp frame strip is fixedly attached to the top wall 33 of the decorative strip; the side walls 82 of the lamp frame strips are formed by extending upwards the edges of the longitudinal sides of the top folded edges of the lamp frame strips, each side wall of the lamp frame strip is attached to the side wall of the decorative strip on the corresponding side, and the longitudinal two sides of the light-transmitting plate are abutted to the side walls of the lamp frame strips on the corresponding sides for limiting; the bottom curled edge of the lamp frame strip is formed by bending the bottom of the side wall of the lamp frame strip, and the light-transmitting plate is arranged on the top surface of the bottom curled edge of the lamp frame strip.

The bottom surface of the light-transmitting plate 4 is abutted against the bottom curled edge of the lamp frame strip and the top surface of the bottom curled edge of the lamp frame strip, and the periphery of the light-transmitting plate 4 is abutted against the lower upright folded edge 54 of the lamp frame or the side wall 82 of the lamp frame strip for limiting. Through the length that sets up lamp frame strip lateral wall 82, can make lamp frame strip bottom turn-up be less than ornamental strip diapire 31 to make the luminance of ornamental strip bottom surface change gradually on vertical, strengthen the third dimension of furred ceiling.

In order to prevent the longitudinal ends of the transparent plate 4 and the top flanges 81 of the lamp frames from interfering with each other when the transparent plate 4 is ejected, in an embodiment, the top flanges 81 of the lamp frames are located outside the side walls 82 of the lamp frames in the same light-exiting area.

The bezel top flange 81 and the trim top wall 33 are secured by fasteners which, in one embodiment, extend from the top edge of the respective side trim side wall in the same trim strip to one another, and which in one embodiment are secured against the top surface of the trim top wall secured to the respective side, to prevent exposure of the fasteners to the view of the passenger. The fasteners are shielded by the trim strip bottom wall 31 so as not to be exposed to the view of the passengers.

Specifically, in one embodiment, as shown in fig. 6, 7, 8, the bezel bottom curl 55 includes a bezel bottom flap 551 and a bezel inner upstanding flap 552. The lamp frame bottom folded edge 551 is formed by extending the bottom edge of the lower vertical folded edge of the lamp frame towards the light-emitting area; the inner vertical flange 552 of the bezel is formed by extending the edge of the bottom flange of the bezel upward.

The bezel strip bottom curl includes a bezel strip bottom flap 83 and a bezel strip inner upright flap 84. The bottom folded edge 83 of the lamp frame strip is formed by extending the bottom edge of the side wall of the lamp frame strip towards the light-emitting area; the inner vertical hem 84 of the light frame strip is formed by extending the edge of the bottom hem of the light frame strip upwards.

The two transverse edges of the side wall 82 of the lamp frame strip are attached to the longitudinal edges of the lower upright folding edges 54 of the lamp frame on the corresponding side, and the longitudinal edge of the inner upright folding edges 552 of the lamp frame is attached to the two transverse edges of the inner upright folding edges 84 of the lamp frame strip, so that the abutted seams are reduced. The bottom surface of the lamp frame bottom folded edge 551 is flush with the bottom surface of the lamp frame strip bottom folded edge 83, and a 45-degree inclined edge is formed at the splicing part, so that the splicing seam and the light leakage are reduced.

In one embodiment, the bottom wall of the box body positioned at the outer ring of the mounting opening is provided with a concave part, and the down lamp 7 is arranged in the concave part. Each fastener adopts a rivet nut, a bolt or a screw. The box roof 6 is formed by splicing three roof plates 61 along the transverse direction, reinforcing ribs 62 extending along the longitudinal direction are arranged on each roof plate 61, and hanging seats 63 used for connecting a ceiling and a car are arranged at four corners of the box roof 6.

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. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

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 claims. 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

1. The elevator furred ceiling of strenghthened type, elevator furred ceiling is the box structure, the box structure has mutually perpendicular's transversely and vertically in the horizontal plane, the installing port has been seted up to the box diapire of box structure, and the box diapire turns over towards the box internal book at the edge of installing port and forms the supporting part, its characterized in that, wherein two supporting parts of horizontal mutual disposition are horizontal installation department, and the top of horizontal installation department is equipped with the horizontal hem of support, is connected with many ornamental strips between two horizontal installation departments, and each ornamental strip will the installing port is separated for a plurality of light areas, and each light area is equipped with the light-passing board respectively, and the horizontal both ends in each light area are equipped with the lamp:

2. The reinforced elevator ceiling of claim 1, wherein the top flange of the light frame is provided with a plurality of first mounting holes for fixing with the top wall of the box body, the middle flange of the light frame is provided with a plurality of second mounting holes for fixing with the supporting horizontal flange, and the first mounting holes and the second mounting holes are arranged in a staggered manner in the transverse direction.

3. The reinforced elevator ceiling of claim 1, wherein the transverse mounting portion comprises a supporting upright flange formed by upward extending of the edge of the bottom wall of the box body, and a plurality of notches are formed in the top edge of the supporting upright flange; each notch will support upright hem and separate for vertical alternate arrangement's first support upright hem and the upright hem of second support, support horizontal hem and be formed by the top edge of the first support upright hem towards the horizontal direction extension, the second support upright hem as the picture peg graft in the bottom of ornamental strip.

4. The reinforced elevator ceiling of claim 1, wherein the support horizontal flap is formed by a top edge of a first support upright flap extending in a direction away from the mounting opening.

5. The reinforced elevator ceiling of claim 3, wherein the trim strip comprises:

6. The reinforced elevator ceiling of claim 5, wherein the top edge of the side wall of the decorative strip extends longitudinally to form a top wall of the decorative strip, and two longitudinal sides of each light-emitting area are provided with lamp frame strips, each lamp frame strip comprising:

7. The reinforced elevator ceiling of claim 6, wherein the top hems of the two light frame strips are positioned outside the side walls of the two light frame strips in the same light exiting area.

8. The reinforced elevator ceiling of claim 7, wherein, within the same trim strip, the two trim strip top walls are formed by the opposite extension of the top edges of the trim strip side walls on the corresponding sides, and the top hems of the light frame strips are attached to the top surfaces of the trim strip top walls on the corresponding sides.

9. The reinforced elevator ceiling of claim 8,

the bezel bottom curl comprises:

the lamp frame strip bottom crimping includes:

10. The reinforced elevator ceiling of claim 9, wherein the bottom surface of the bottom flaps of the lightframe and the bottom surface of the bottom flaps of the lightframe strips are flush.