CN214275487U

CN214275487U - Fire-proof down lamp box

Info

Publication number: CN214275487U
Application number: CN202023001843.3U
Authority: CN
Inventors: 周绍东; 梁兵
Original assignee: FOSHAN DENGGANG LIGHTING TECHNOLOGY CO LTD
Current assignee: FOSHAN DENGGANG LIGHTING TECHNOLOGY CO LTD
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-09-24
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a fire prevention down lamp house, including mounting bracket, bottom plate, dustcoat, a lamp section of thick bamboo and terminal box, the bottom plate is fixed on the mounting bracket, the dustcoat is installed at the bottom plate top, and the aluminium foil fire prevention is cotton is installed to the bottom plate bottom, and it has the through-hole to open on the bottom plate, a lamp section of thick bamboo passes through the mounting screw on the through-hole and lamp section of thick bamboo upper portion is located the dustcoat, and it has the cotton 7 of heat preservation fire prevention to fill between a lamp section of thick bamboo and the dustcoat, the dustcoat is opened there is the side opening, the terminal box is installed on the bottom plate to one side is close to the side opening, pass through the spool intercommunication between a lamp section of thick bamboo and the terminal box, a lamp section of thick bamboo is used for installing embedded down lamp. Adopt the utility model discloses, realize that the lamp house has the function of fire prevention, can directly be used for installing embedded down lamp, simplify the step of installation down lamp, save installation time and be convenient for down lamp maintenance.

Description

Fire-proof down lamp box

Technical Field

The utility model relates to an installation technical field of embedded down lamp especially relates to a fire prevention down lamp house.

Background

Traditional embedded down lamp is installed in a lamp section of thick bamboo, and a lamp section of thick bamboo passes through the mounting bracket to be fixed on the ceiling. The existing lamp tube does not have a fireproof structure, and when a fire disaster happens in indoor places such as markets, offices, exhibition halls and the like, high temperature generated by the fire disaster is easy to diffuse to the upper side of the lamp tube through the embedded down lamp and ignite surrounding articles, so that the spread of the fire disaster is accelerated. Consequently, when the on-the-spot installation, for the high temperature diffusion to down lamp top that avoids the conflagration to produce, the operating personnel need additionally prepare the cotton and fixed cotton object of fire prevention heat preservation of fire prevention to make the cotton fixed of fire prevention heat preservation outside embedded down lamp, such defect lies in: the operation personnel install the degree of difficulty of down lamp big, consuming time and maintain difficultly.

Disclosure of Invention

The utility model aims to solve the technical problem that a fire prevention down lamp house is provided, realizes that the lamp house has the function of fire prevention, can directly be used for installing embedded down lamp, simplifies the step of installation down lamp, saves installation time and the down lamp maintenance of being convenient for.

In order to solve the technical problem, the utility model provides a fire prevention down lamp house, including mounting bracket, bottom plate, dustcoat, a lamp section of thick bamboo and terminal box, the bottom plate is fixed on the mounting bracket, the dustcoat is installed at the bottom plate top, and the aluminium foil is prevented fire cottonly to install the bottom plate bottom, and it has the through-hole to open on the bottom plate, a lamp section of thick bamboo passes through the mounting screw and is located the dustcoat on the through-hole and lamp section of thick bamboo upper portion, and it has heat preservation fireproof cotton 7 to fill between a lamp section of thick bamboo and the dustcoat, the dustcoat is opened there is the side opening, the terminal box is installed on the bottom plate to one side is close to the side opening, through the spool intercommunication between a lamp section of thick bamboo and the terminal box, a lamp section of thick bamboo is used for installing embedded down lamp.

The junction box, the bottom plate, the outer cover and the lamp tube are all made of galvanized plates, the thickness of the junction box is 1.0-1.4 mm, and the thicknesses of the bottom plate, the outer cover and the lamp tube are 0.6-1.0 mm respectively.

The junction box comprises a left side plate, a right side plate and a middle plate, the middle plate is of a door-shaped structure, the middle plate is installed on the bottom plate, the left side plate and the right side plate are installed on two sides of the middle plate respectively, the right side plate is located in the side holes, the wire pipe is communicated with the right side plate, a locking mechanism is arranged at the top of the middle plate and acts on the left side plate and the right side plate respectively to prevent the left side plate and the right side plate from being separated from the middle plate.

The locking mechanism comprises an elastic sheet arranged on the middle plate and locking parts which are respectively positioned at two ends of the elastic sheet and are S-shaped, the locking parts at two ends are respectively acted on the left side plate and the right side plate, and the locking parts extend outwards to form handheld parts which are convenient for enabling the locking parts to deform.

The junction box further comprises a supporting plate, wherein the supporting plate is fixed at the bottom of the middle plate, and two tail ends of the supporting plate extend to two sides of the middle plate towards the oblique lower direction respectively.

Wherein, still including hiding the hole strip, lamp section of thick bamboo lateral wall is opened has a plurality of waist shape holes, and a plurality of hole strips that hide are located lamp section of thick bamboo inner wall respectively and are used for sheltering from waist shape hole, the screw passes in proper order and hides hole strip, waist shape hole and installs on the through-hole.

Wherein, hide the hole strip and be equipped with the arch towards waist shape hole direction, arch and waist shape hole sliding connection.

The lamp tube is characterized by further comprising a wire rod arranged in the wire tube and a wiring terminal arranged in the wiring box, one end of the wire rod extends into the lamp tube and is connected with a quick connector, the other end of the wire rod extends into the wiring box and is connected with the wiring terminal, and the wiring terminal is connected with an external power supply.

Implement the utility model has the advantages that: the aluminum foil fireproof cotton is arranged on the bottom plate, and the heat-preservation fireproof cotton is filled between the lamp tube and the outer cover, so that the situation that surrounding objects are ignited due to the fact that high temperature generated by fire is transmitted to the mounting frame, the junction box and the outer cover through the bottom plate and the lamp tube is avoided, and the fireproof grade of 2 hours can be achieved; and this practicality goes on down lamp house adopts the integral type structure, can directly be used for installing embedded down lamp, simplifies the installation steps of installing embedded down lamp, easy operation.

Drawings

Fig. 1 is a schematic structural view of a lamp box of a fire-proof down lamp provided by the utility model;

FIG. 2 is an exploded view of a lamp housing of a fire-proof down lamp provided by the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a main sectional view of a lamp housing of a fire-proof down lamp provided by the present invention;

FIG. 5 is an enlarged view of FIG. 4 at B;

fig. 6 is an enlarged view of fig. 4 at C.

In the figure: 1. a mounting frame; 2. a base plate; 21. a through hole; 3. a housing; 31. a side hole; 4. a lamp barrel; 41. a waist-shaped hole; 5. a junction box; 51. a left side plate; 52. a right side plate; 53. a middle plate; 54. a locking mechanism; 541. a spring plate; 542. a locking portion; 543. a hand-held portion; 55. a support plate; 6. aluminum foil fireproof cotton; 7. heat-insulating fireproof cotton; 8. a conduit; 81. a wire rod; 82. a wiring terminal; 83. a quick coupling; 9. a hole covering strip; 91. and (4) protruding.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, the utility model relates to a fire-proof down lamp box, which comprises a mounting frame 1, a bottom plate 2, an outer cover 3, a lamp tube 4 and a junction box 5, wherein the mounting frame 1 is mounted on a ceiling, the bottom plate 2 is fixed on the mounting frame 1, the outer cover 3 is mounted at the top of the bottom plate 2, aluminum foil fireproof cotton 6 is mounted at the bottom of the bottom plate 2, the thickness of the aluminum foil fireproof cotton 6 can be 3mm, the aluminum foil fireproof cotton 6 has the function of heat insulation and prevents the high temperature generated by fire from being transmitted to the top of the bottom plate 2, a through hole 21 is formed on the bottom plate 2, the lamp tube 4 is mounted on the through hole 21 through screws, the upper part of the lamp tube 4 is positioned in the outer cover 3, heat-preserving fireproof cotton 7 is filled between the lamp tube 4 and the outer cover 3, the heat-preserving fireproof cotton 7 has the function of heat insulation and prevents the high temperature generated by fire from being transmitted to the outer cover 3, the outer cover 3 is provided with a side hole 31, the outer cover 5 is mounted on the bottom plate 2, and one side is close to side hole 31, through the communication of wire tube 8 between a lamp section of thick bamboo 4 and the terminal box 5, a lamp section of thick bamboo 4 is used for installing embedded down lamp, and the electric wire of being connected with embedded down lamp passes through wire tube 8 and enters into terminal box 5 in, and rethread terminal box 5 is connected with external power source.

The utility model provides a theory of operation as follows: when a lamp box of the embedded down lamp is installed, the installation frame 1 is installed on a ceiling, the embedded down lamp is installed in the lamp barrel 4, an electric wire on the embedded down lamp is connected to the junction box 5 through the wire pipe 8 and is communicated with an external power supply on the junction box 5, and therefore the embedded down lamp is electrified; 2 bottoms of bottom plate set up aluminium foil fireproof cotton 6, prevent that the high temperature that produces because of the conflagration from transferring to terminal box 5 through bottom plate 2, on mounting bracket 1 and the dustcoat 3, it has heat preservation fireproof cotton 7 to fill between a lamp section of thick bamboo 4 and the dustcoat 3, prevent that the high temperature that produces because of the conflagration from transmitting to dustcoat 3 on through a lamp section of thick bamboo 4, thereby arousing that near object of dustcoat 3 ignites because of the high temperature, has realized the function of cutting off the heat source through aluminium foil fireproof cotton 6 and heat preservation fireproof cotton 7, makes the utility model discloses a lamp house can reach 2 hours fire-protection rating, and wherein 2 hours fire-protection rating are according to the fire-resistant test standard of UL263 building structure and material and reacing.

Preferably, the material of terminal box 5, bottom plate 2, dustcoat 3 and a lamp section of thick bamboo 4 is the galvanized sheet, and the galvanized sheet stable in structure, durable, and difficult rust, the thickness of terminal box 5 is 1.0mm ~ 1.4mm, the thickness of bottom plate 2, dustcoat 3 and a lamp section of thick bamboo 4 is 0.6 ~ 1.0mm respectively. Specifically, the thickness of the junction box 5 is 1.2mm, and the thicknesses of the bottom plate 2, the outer cover 3 and the lamp barrel 4 are 0.8mm respectively.

Preferably, referring to fig. 2, 4 and 6, the terminal box 5 includes a left side plate 51, a right side plate 52 and a middle plate 53, the middle plate 53 is of a door-shaped structure, the middle plate 53 is mounted on the bottom plate 2, specifically, the bottom of two sides of the middle plate 53 is provided with a first standing foot, the first standing foot is inserted into the bottom plate 2, the left side plate 51 and the right side plate 52 are respectively mounted on two sides of the middle plate 53, and the right side plate 52 is located in the side hole 31, specifically, the bottom of the left side plate 51 and the right side plate 52 are respectively provided with a second standing foot, the second standing foot is inserted into the bottom plate 2, and the left side plate 51 and the right side plate 52 are respectively punched with a block towards the middle plate 53, the block acts on the inner wall of the middle plate 53, so that the left side plate 51 and the right side plate 52 are mounted on the middle plate 53, the conduit 8 is communicated with the right side plate 52, the top of the middle plate 53 is provided with a locking mechanism 54, the locking mechanism 54 acts on the left side plate 51 and the right side plate 52 respectively, preventing the left and

right side plates

51 and 52 from being detached from the middle plate 53. The junction box 5 is of a splicing structure, and a left side plate 51, a right side plate 52, a middle plate 53 and the bottom plate 2 enclose an independent closed space, so that electric wires on the embedded down lamp are connected with an external power supply conveniently. In addition, the locking mechanism 54 facilitates the separation of the left side plate 51 from the middle plate 53, thereby facilitating the operator to wire the electric wires in the wire connecting box 5.

Further, referring to fig. 6, the locking mechanism 54 includes a spring piece 541 mounted on the middle plate 53 and locking portions 542 located at two ends of the spring piece 541 and having an S-shape, respectively, the two end locking portions 542 respectively act on the left side plate 51 and the right side plate 52, and the locking portions 542 are extended outwardly to form a holding portion 543 for facilitating deformation of the locking portions 542. When the left side plate 51 needs to be disassembled, an operator pulls the hand-held portion 543 outwards, so that the locking portion 542 is far away from the left side plate 51, then the other hand can separate the left side plate 51 from the middle plate 53 and the bottom plate 2, and wiring can be performed at the moment; after the connection is completed, the operator also pulls the hand-held portion 543 outwards, the locking portion 542 is deformed, then the other hand inserts the second leg of the left side plate 51 into the bottom plate 2, the latch of the left side plate 51 acts on the inner wall of the middle plate 53, finally the operator releases the hand-held portion 543, and the locking portion 542 abuts against the left side plate 51 due to the deformation recovery, so that the left side plate 51 is fixed on the middle plate 53.

Further, referring to fig. 6, the junction box 5 further includes a support plate 55, and the support plate 55 is fixed at the bottom of the middle plate 53, and two ends of the support plate 55 extend obliquely downward to two sides of the middle plate 53. The support plate 55 improves the strength of the middle plate 53 and prevents the middle plate 53 from being deformed.

Preferably, referring to fig. 2, 3, 4, and 5, the lamp barrel further includes a hole shielding strip 9, the side wall of the lamp barrel 4 is provided with a plurality of waist-shaped holes 41, in this embodiment, the number of the waist-shaped holes 41 is three, the three hole shielding strips 9 are respectively located on the inner wall of the lamp barrel 4 and are respectively used for shielding the three waist-shaped holes 41, and the screws sequentially pass through the hole shielding strips 9 and the waist-shaped holes 41 and are installed on the through holes 21. The mounting position of the lamp tube 4 can be adjusted at the position of the waist-shaped hole 41 by adjusting screws so as to match the thickness of the ceiling, so that the bottom surface of the lamp tube 4 and the bottom surface of the ceiling are on the same horizontal plane, and the attractiveness of the embedded down lamp is improved. In addition, hide hole strip 9 can shelter from the space in waist shape hole 41, avoid the fire point to get into in dustcoat 3 through waist shape hole 41 to influence the cotton fire prevention effect of fire prevention heat preservation.

Further, referring to fig. 3 and 5, the hole covering strip 9 is provided with a protrusion 91 facing the waist-shaped hole 41, and the protrusion 91 is slidably connected with the waist-shaped hole 41. The projection 91 defines the sliding direction of the blind bar 9, preventing the blind bar 9 from rotating with the rotation of the screw when the screw is locked.

Preferably, referring to fig. 2, 4 and 6, the electric wire connector further comprises a wire 81 arranged in the wire tube 8 and a connecting terminal 82 arranged in the junction box 5, specifically, the connecting terminal 82 is two and is respectively arranged on the left side plate 51, one end of the wire 81 extends into the lamp tube 4 and is connected with a quick connector 83, the quick connector 83 is a male plug, a wire end on the embedded tube lamp is a female plug of the quick connector 83, the male plug is matched with the female plug to realize that the wire 81 is electrically connected with the embedded tube lamp, the other end of the wire 81 extends into the junction box 5 and is connected with the connecting terminal 82, and the connecting terminal 82 is connected with an external power supply. During the wiring, be connected external power source and binding post 82 in advance, then can be with the female plug on the embedded down lamp and quick-operation joint 83's public plug cooperation, alright realize the electric wire intercommunication of embedded down lamp. By adopting the wiring mode, the lamp can be conveniently replaced by a customer, and the operation is simple and rapid.

It should be noted that the lamp tube 4 in this embodiment is suitable for installing an embedded type American standard down lamp, and the embedded type American standard down lamp is provided with an inverted U-shaped elastic sheet, and the inverted U-shaped elastic sheet can be clamped in the lamp tube 4, so that the embedded type down lamp is installed in the lamp tube 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fire-proof down lamp box is characterized by comprising a mounting frame (1), a bottom plate (2), an outer cover (3), a lamp tube (4) and a junction box (5), the bottom plate (2) is fixed on the mounting rack (1), the outer cover (3) is arranged at the top of the bottom plate (2), the bottom of the bottom plate (2) is provided with aluminum foil fireproof cotton (6), the bottom plate (2) is provided with a through hole (21), the lamp tube (4) is arranged on the through hole (21) through a screw, the upper part of the lamp tube (4) is positioned in the outer cover (3), heat-preservation fireproof cotton (7) is filled between the lamp tube (4) and the outer cover (3), the outer cover (3) is provided with a side hole (31), the junction box (5) is arranged on the bottom plate (2), and one side is close to the side hole (31), the lamp tube (4) is communicated with the junction box (5) through the wire tube (8), and the lamp tube (4) is used for installing an embedded down lamp.

2. A fire-proof down lamp box according to claim 1, characterized in that the junction box (5), the bottom plate (2), the cover (3) and the lamp tube (4) are all made of galvanized plates, the thickness of the junction box (5) is 1.0mm to 1.4mm, and the thicknesses of the bottom plate (2), the cover (3) and the lamp tube (4) are respectively 0.6 mm to 1.0 mm.

3. A fire-proof down lamp box according to claim 1, wherein the junction box (5) comprises a left side plate (51), a right side plate (52) and a middle plate (53), the middle plate (53) is of a door-shaped structure, the middle plate (53) is mounted on the bottom plate (2), the left side plate (51) and the right side plate (52) are respectively mounted on two sides of the middle plate (53), the right side plate (52) is located in the side hole (31), the wire tube (8) is communicated with the right side plate (52), a locking mechanism (54) is arranged at the top of the middle plate (53), and the locking mechanism (54) respectively acts on the left side plate (51) and the right side plate (52) to prevent the left side plate (51) and the right side plate (52) from being separated from the middle plate (53).

4. A fire-proof down lamp box according to claim 3, wherein the locking mechanism (54) comprises a spring piece (541) mounted on the middle plate (53) and S-shaped locking parts (542) respectively located at two ends of the spring piece (541), the locking parts (542) at two ends respectively act on the left side plate (51) and the right side plate (52), and the locking parts (542) are extended outwards to form a hand-held part (543) which is convenient for deforming the locking parts (542).

5. A fire-proof down lamp box according to claim 3, wherein the junction box (5) further comprises a support plate (55), the support plate (55) is fixed at the bottom of the middle plate (53), and two ends of the support plate extend to two sides of the middle plate (53) in an oblique downward direction.

6. A fire-proof down lamp light box as claimed in claim 1, further comprising a hole shielding strip (9), wherein the side wall of the lamp tube (4) is provided with a plurality of waist-shaped holes (41), the plurality of hole shielding strips (9) are respectively located on the inner wall of the lamp tube (4) and used for shielding the waist-shaped holes (41), and the screws sequentially pass through the hole shielding strips (9) and the waist-shaped holes (41) and are installed on the through holes (21).

7. A fire-proof down lamp light box according to claim 6, characterized in that the hole covering strip (9) is provided with a bulge (91) towards the waist-shaped hole (41), and the bulge (91) is connected with the waist-shaped hole (41) in a sliding way.

8. A fire-resistant down light box as claimed in claim 1, further comprising a wire (81) disposed in the conduit (8) and a terminal block (82) disposed in the terminal block (5), one end of the wire (81) extending into the light tube (4) and connected to the quick connector (83), the other end of the wire (81) extending into the terminal block (5) and connected to the terminal block (82), the terminal block (82) being connected to an external power supply.