LED down lamp suitable for being installed on fireproof junction box

Abstract

The utility model relates to a down lamp, in particular to an LED down lamp suitable for being installed on a fireproof junction box. Comprising a lamp shell, a light source module and a surface cover, the lamp shell is in a cap shape and comprises a cap brim part and a cap body part capable of being placed in the fireproof junction box, and the light source module is installed in the cap body part. The brim part is provided with an adaptive hole through which a screw rod of a screw in threaded connection with the fireproof junction box passes; the surface cover is detachably installed on the lamp shell, and the surface cover covers the brim part to shield the adaptive hole. According to the utility model, the adaptive hole is formed in the brim part so as to be matched with the installation of the fireproof junction box, and meanwhile, the adaptive hole is shielded by the surface cover after the installation of the lamp shell and the fireproof junction box is completed, so that the effect of hiding the adaptive hole is achieved.

Description

Technical Field

[0001] The utility model relates to a downlight, in particular to an LED downlight suitable for being installed in a fireproof junction box. Background Art

[0002] Existing downlights generally include a lamp housing, a light source module and a cover. The downlight is clamped and installed on the ceiling by setting spring clips on both sides of the lamp housing. In order to achieve the fire prevention effect, a fireproof junction box needs to be installed on the outer cover of the lamp tube. The fireproof junction box has a flame retardant function and can prevent the circuits and lamps in the box from spreading outward after a fire occurs. However, existing downlights cannot be well matched with the installation of fireproof junction boxes. Summary of the invention

[0003] The utility model aims to provide an LED downlight suitable for installation in a fireproof junction box, comprising a lamp housing, a light source module and a face cover; the lamp housing is in a hat shape and comprises a brim portion and a body portion which can be placed in the fireproof junction box, and the light source module is installed in the body portion; the brim portion is provided with an adapter hole for a screw rod for threaded connection to the fireproof junction box to pass through; the face cover is installed on the lamp housing in a detachable manner, and the face cover covers the brim portion to shield the adapter hole.

[0004] The utility model arranges an adapting hole on the brim part to facilitate the installation of the fireproof junction box, and at the same time, after the lamp housing is installed with the fireproof junction box, the adapting hole is covered with a face cover to achieve the effect of hiding the adapting hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0005] Figure 1 A schematic diagram showing the utility model before being assembled with a fireproof junction box;

[0006] Figure 2 A schematic diagram showing the utility model after being assembled with a fireproof junction box;

[0007] Figure 3 and Figure 4 Two stereograms of the utility model at different angles are shown respectively;

[0008] Figure 5 and Figure 6 Two three-dimensional exploded views of the utility model at different angles are shown respectively;

[0009] Figure 7 Shows a front view of the utility model;

[0010] Figure 8 Shows Figure 7 AA section view;

[0011] Fig. 9 Shows Figure 8 A partial enlarged view of part B;

[0012] Fig.10 Shown in Figure 8 A schematic diagram of separating the lamp housing, light source module and cover on the basis of FIG.

[0013] Fig.11 and Fig.12 Two stereoscopic views of the light source module of the utility model at different angles are shown respectively;

[0014] Fig.13 and Fig.14 Two three-dimensional exploded views of the light source module of the utility model at two different angles are shown respectively;

[0015] Fig.15 The front view of the light source module of the utility model is shown;

[0016] Fig.16 Shows Fig.15 CC section view;

[0017] Fig.17 Shown in Fig.16 A schematic diagram of separating the light-emitting part, the lampshade and the light-distributing part based on FIG.

[0018] Fig.18 Shows Fig.16 A partial enlarged view of the D part;

[0019] Fig.19 Shown in Fig.18 Schematic diagram of separating the light distribution component from the large-diameter end of the reflector cup on the basis of FIG.

[0020] Fig. 20 Shown in Fig.16 Schematic diagram of replacing the light-transmitting panel with a lens based on FIG.

[0021] Fig.21 Shown in Fig. 20 A schematic diagram of separating the light-emitting part, the lampshade and the light-distributing part based on FIG.

[0022] Fig. 22 Shown in Figure 3 Schematic diagram after replacing the circular face cover with a square face cover.

[0023] Figure Number:

[0024] 100 ceiling;

[0025] 10 lamp housing, 101 brim portion, 102 cap body portion, 103 adapter hole;

[0026] 20 light source module, 201 light emitting element, 202 circuit board, 203 LED lamp bead, 204 lampshade, 205 peripheral wall, 206 end wall, 207 reflective cup, 208 first end of the peripheral wall, 209 second end of the peripheral wall, 210 port, 211 small-diameter end, 212 large-diameter end, 213 light distribution element, 214 step surface, 215 hook, 216 flange of lens;

[0027] 30 a cover, 301 an annular portion, 302 an annular groove;

[0028] 40 fireproof junction box, 401 screw, 402 screw rod, 403 screw head, 404 screw hole; 50 spring clip, 501 free end of spring clip. DETAILED DESCRIPTION

[0029] The present application scheme is further described below in conjunction with the accompanying drawings.

[0030] like Figures 1 to 10 The LED downlight shown is suitable for installation in a fireproof junction box, comprising a lamp housing 10, a light source module 20 and a cover 30;

[0031] The lamp housing 10 is in a hat shape and includes a brim portion 101 and a body portion 102 that can be placed in the fireproof junction box 40. The light source module 20 is installed in the body portion 102.

[0032] The brim portion 101 is provided with an adapting hole 103 for a screw 402 for threaded connection to a fireproof junction box to pass through;

[0033] The cover 30 is detachably mounted on the lamp housing 10 , and covers the brim 101 to shield the fitting hole 103 .

[0034] The technical solution provides an adapter hole on the brim to facilitate the installation of the fireproof junction box, and at the same time, after the lamp housing is installed with the fireproof junction box, the adapter hole is covered with a cover to hide the adapter hole.

[0035] In this embodiment, there are two adapting holes 103 on the brim portion, and the two adapting holes 103 are located on both sides of the cap body portion 102 .

[0036] like Figure 1 and Figure 2 As shown, the fireproof junction box 40 is installed in the ceiling 100, and the fireproof junction box 40 is provided with two screw holes 404 for screwing in screws 401;

[0037] The assembly process is as follows:

[0038] First, connect the wires of the light source module 20 to the wires in the fireproof junction box 40 (not shown in the figure) as required;

[0039] Then, the cap body 102 of the lamp housing is placed in the fireproof junction box 40, so that the adapting holes 103 of the brim portion 101 correspond to the positions of the screw holes 404 in the fireproof junction box respectively, and each adapting hole 103 is respectively provided with a screw 401, and the screw rod 402 of each screw passes through the adapting hole 103 and is screwed into the screw hole 404 in the fireproof junction box, while the head 403 of the screw remains outside the brim portion 101, thereby locking the lamp housing 10 on the fireproof junction box 40 by using the screw 401;

[0040] Finally, the cover 30 is installed. Thus, the cover 30 simultaneously shields the adapting hole 103 and the head 403 of the screw for threading the fireproof junction box, thereby achieving the effect of hiding the adapting hole 103 and the screw 401.

[0041] In this embodiment, Figure 3 The cover 30 shown may be circular, such as Fig. 22 The illustrated cover 30 may also be square.

[0042] The cap body 102 is provided with a plurality of spring pieces 50 which are spaced apart around the center of the cap body;

[0043] One end of each elastic sheet 50 is fixed in the cap body 102, and the other end of each elastic sheet 50 extends toward the center of the cap body to form a free end 501;

[0044] The face cover 30 has an annular portion 301 inserted into the cap body 102;

[0045] The free end 501 of each elastic piece presses against the annular portion 301 to prevent the cover 30 from being separated from the lamp housing 10 .

[0046] In this embodiment, the cover is detachably mounted on the lamp housing by means of the cooperation between the spring pieces and the annular portion.

[0047] The outer side surface of the annular portion 301 is provided with an annular groove 302 extending along the circumference of the annular portion;

[0048] The free end 501 of each elastic piece is inserted into the annular groove 302 when the annular portion 301 is inserted into the cap body 102 .

[0049] like Figures 11 to 21 As shown, the light source module 20 includes a light emitting element 201, a lampshade 204 and a light distribution element 213;

[0050] The light emitting element 201 includes a circuit board 202 and an LED lamp bead 203 disposed on the circuit board 202;

[0051] The lampshade 204 includes a peripheral wall 205, an end wall 206 and a reflective cup 207;

[0052] The peripheral wall 205 has a first end 208 and a second end 209 opposite to each other;

[0053] The first end 208 of the peripheral wall is open to form a port 210. The circuit board 202 of the light-emitting element is installed on the first end 208 of the peripheral wall and covers the port 210. The LED lamp beads 203 on the circuit board 202 are located in the peripheral wall 205.

[0054] The reflective cup 207 is trumpet-shaped and includes a small-diameter end 211 and a large-diameter end 212. Both the small-diameter end 211 and the large-diameter end 212 are open. The small-diameter end 211 is placed into the peripheral wall 205 through the second end 209 of the peripheral wall and reaches the circuit board 202. The LED lamp beads 203 on the circuit board enter the reflective cup 207 through the small-diameter end 211.

[0055] The end wall 206 is connected between the second end 209 of the peripheral wall and the outer side surface of the reflective cup 207 to cover the gap between the second end 209 of the peripheral wall and the outer side surface of the reflective cup 207;

[0056] The peripheral wall 205, the end wall 206 and the reflective cup 207 are integrally formed, for example, by injection molding;

[0057] The light distribution member 213 is detachably mounted on the large-diameter end 212 of the reflective cup;

[0058] The lampshade 204 is fixedly installed in the cap body 102 .

[0059] The lampshade including the reflective cup designed by this technical solution is integrally formed, assembly-free, and can achieve better dust-proof, insect-proof and light-leakage-proof effects. At the same time, the circuit board cover port can achieve dust-proof, insect-proof and light-leakage-proof effects. In addition, the light distribution parts can be disassembled and assembled to facilitate the replacement of different light distribution parts according to different usage requirements, thereby improving the flexibility and adaptability of use.

[0060] The large-diameter end 212 of the reflective cup is provided with a step surface 214 extending along the edge of the large-diameter end and forming an annular shape;

[0061] The light distribution member 213 is seated on the step surface 214 and supported by the step surface 214 .

[0062] The technical solution provides a step surface to facilitate installation and support of the light distribution component.

[0063] The large-diameter end 212 of the reflector cup is provided with a buckle structure for buckling the light distribution component 213, thereby realizing that the light distribution component is installed on the large-diameter end of the reflector cup in a detachable manner. This technical solution adopts a buckle structure to facilitate the disassembly and assembly of the light distribution component.

[0064] The buckle structure includes a plurality of inverted hooks 215 that are spaced apart and distributed along the circumference of the step surface 214. This technical solution can facilitate the light distribution component to be stably and reliably mounted on the large-diameter end of the reflective cup.

[0065] All the hooks 215 are located outside the step surface 214. This technical solution can facilitate the disassembly and assembly of the light distribution component.

[0066] The light distribution component 30 is a lens or a light-transmitting panel.

[0067] In this embodiment, Figures 1 to 19 The light distribution element 213 shown is a light-transmitting panel.

[0068] and Fig. 20 and Fig.21 The light distribution element 213 shown is a lens, wherein the edge of the lens is provided with a flange 216 for the hook 215 to engage with.

Claims

1. An LED downlight suitable for installation in a fireproof junction box, comprising a lamp housing, a light source module and a cover, characterized in that: The lamp housing is in a hat shape and comprises a brim portion and a hat body portion that can be placed in a fireproof junction box, and the light source module is installed in the hat body portion; The brim portion is provided with an adapting hole for a screw rod of a screw threadedly connected to a fireproof junction box to pass through; The face cover is installed on the lamp housing in a detachable manner, and covers the brim portion to shield the adapting hole.

2. The LED downlight suitable for installation in a fireproof junction box according to claim 1, characterized in that: The cap body is provided with a plurality of spring pieces which are spaced apart from each other around the center of the cap body; One end of each spring sheet is fixed in the cap body, and the other end of each spring sheet extends toward the center of the cap body to form a free end; The face cover is provided with an annular portion placed in the cap body; The free ends of the springs are pressed against the annular portion to prevent the face cover from being separated from the lamp housing.

3. The LED downlight suitable for installation in a fireproof junction box according to claim 2, characterized in that: The outer side surface of the annular portion is provided with an annular groove extending along the circumference of the annular portion; The free ends of the spring sheets are inserted into the annular grooves when the annular portion is placed into the cap body.

4. The LED downlight suitable for installation in a fireproof junction box according to claim 1, 2 or 3, characterized in that: The light source module includes a light emitting part, a lampshade and a light distribution part; The light-emitting element comprises a circuit board and LED lamp beads arranged on the circuit board; The lampshade comprises a peripheral wall, an end wall and a reflective cup; The peripheral wall has opposing first and second ends; The first end of the peripheral wall is open to form a port, the circuit board of the light-emitting element is installed on the first end of the peripheral wall and covers the port, and the LED lamp beads on the circuit board are located inside the peripheral wall; The reflective cup is trumpet-shaped and includes a small-diameter end and a large-diameter end, both of which are open, wherein the small-diameter end is placed into the peripheral wall through the second end of the peripheral wall and reaches the circuit board, and the LED lamp beads on the circuit board enter the reflective cup through the small-diameter end; The end wall is connected between the second end of the peripheral wall and the outer side surface of the reflective cup to cover the gap between the second end of the peripheral wall and the outer side surface of the reflective cup; The peripheral wall, the end wall and the reflective cup are integrally formed; The light distribution component is installed on the large-diameter end of the reflective cup in a detachable manner; The lampshade is fixedly installed in the cap body.

5. The LED downlight suitable for installation in a fireproof junction box according to claim 4, characterized in that: The large-diameter end of the reflective cup is provided with a step surface extending along the edge of the large-diameter end and in a ring shape; The light distribution component is seated on the step surface and supported by the step surface.

6. The LED downlight suitable for installation in a fireproof junction box according to claim 5, characterized in that: The large-diameter end of the reflective cup is provided with a buckle structure for buckling the light distribution component.

7. The LED downlight suitable for installation in a fireproof junction box according to claim 6, characterized in that: The buckle structure includes a plurality of inverted hooks which are distributed at intervals along the circumference of the step surface.

8. The LED downlight suitable for installation in a fireproof junction box according to claim 7, characterized in that: All hooks are located on the outside of the step surface.

9. The LED downlight suitable for installation in a fireproof junction box according to claim 7, characterized in that: The light distribution component is a lens or a light-transmitting panel, and the edge of the lens is provided with a flange for the hook to buckle.

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