CN216619419U

CN216619419U - Single-cavity large-scale explosion-proof lamp

Info

Publication number: CN216619419U
Application number: CN202122974813.9U
Authority: CN
Inventors: 刘长艳; 董龙涛; 韩丹; 杨韵勍; 苏振杨
Original assignee: Daqing Hengchi Electric Co ltd
Current assignee: Daqing Hengchi Electric Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-27
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a large single-cavity explosion-proof lamp, which relates to the field of explosion-proof lamps and adopts the technical scheme that the large single-cavity explosion-proof lamp comprises a lamp panel, wherein a lamp trough is arranged on the front side of the lamp panel, a light source circuit board is arranged in the lamp trough, and a transparent plate is arranged at the notch of the lamp trough; the bottom of the lamp groove is provided with a through hole communicated to the back surface, and an outer port of the through hole is in butt joint with a fastening device. The structure that sets up the light trough on the lamp plate is adopted, can show the reduction thickness of lamp plate, can improve the area of the luminous region of lamp plate on the one hand, and the thinner thickness of on the other hand can improve the radiating efficiency, and then adopts more powerful light source, improves illumination brightness.

Description

Single-cavity large-scale explosion-proof lamp

Technical Field

The utility model relates to the field of explosion-proof lamps, in particular to a single-cavity large-scale explosion-proof lamp.

Background

The explosion-proof lamp is used for emergency lighting when outdoor conventional lighting can not be used normally. The existing explosion-proof lamp can integrate structures such as a power supply, so that the whole structure is too fat, the light source and the power supply are positioned in the cavity, the heat dissipation effect is influenced, and after the light source and the power supply are superposed, the heat is more serious.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a single-cavity large-scale explosion-proof lamp, which adopts a structure that a lamp groove is arranged on a lamp panel, so that the thickness of the lamp panel can be obviously reduced, the area of a light-emitting area of the lamp panel can be increased, the heat dissipation efficiency can be increased due to the thinner thickness, and further, a more powerful light source is adopted, and the illumination brightness is increased.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a single-cavity large-scale explosion-proof lamp comprises a lamp panel, wherein a lamp groove is formed in the front face of the lamp panel, a light source circuit board is arranged in the lamp groove, and a transparent plate is arranged at a notch of the lamp groove; the bottom of the lamp groove is provided with a through hole communicated to the back, and an outer port of the through hole is in butt joint with a fastening device.

Through setting up the light trough in the front of lamp plate, set up light source circuit board in the light trough, then set up the transparent plate, overall structure is the platykurtic more, can improve the light-emitting area of light source, and the design of while platykurtic can make its holistic radiating efficiency improve, can use more powerful light source, improves illumination intensity, adopts fastener can be with the more firm locking of pencil on the lamp plate simultaneously.

Preferably, the fastening device comprises a connecting pipe, an inner connecting pipe, an expansion pipe, a pressing ring and a threaded sleeve, wherein the front end of the connecting pipe is in threaded fit with the outer port of the through hole, the inner connecting pipe is sleeved in the connecting pipe, a pushing platform is arranged on the periphery of the expansion pipe, the rear end of the inner connecting pipe is sleeved in the front end of the expansion pipe, the outer wall of the rear end of the expansion pipe is a conical surface, the pressing ring is sleeved outside the conical surface, an end platform is arranged on the inner wall of the front end of the threaded sleeve, the front end of the threaded sleeve is in threaded fit with the rear end of the connecting pipe, and the end platform abuts against the pressing ring.

Connecting pipe and through-hole screw-thread fit, the rear end of thread bush and connecting pipe, when consequently rotating the thread bush, can inwards promote clamping ring and expansion pipe, when the expansion pipe inwards removes, under the extrusion of takeover including, the expansion pipe will inwards contract the extrusion, and then to being located the interior pencil fast fixing of expansion pipe.

Preferably, the inner wall of the connecting pipe comprises a taper hole with a thin front end and a thick rear end, and the outer wall of the inner connecting pipe is provided with an outer taper wall matched with the taper hole. Through the cooperation that adopts taper hole and outer conical wall, when the clamping ring inwards promoted, the inner union coupling will be inwards extruded by the connecting pipe, and then forms locking in the inboard.

Preferably, the rear end of the expansion pipe is made of rubber. The rubber material has the property of shrinkage and better meets the requirement of expansion.

Preferably, an outer frame is arranged on the periphery of the transparent plate, a clamping flap extends into the lamp groove from the outer frame, a clamping hook is arranged at the end of the clamping flap outwards, and a side groove is formed in the side wall of the lamp groove corresponding to the clamping hook. Through setting up the frame can improve the intensity of transparent plate, can be with its better being fixed in the side groove simultaneously.

Preferably, the inner wall of the outer frame is provided with an inner sinking platform, the transparent plate is embedded in the inner sinking platform, the clamping flap is internally provided with an inner hook, and an annular pressing sheet is arranged between the inner hook and the transparent plate. The inner hook can be conveniently fixed in the outer frame by arranging the inner sinking platform.

Preferably, the notch of the lamp groove is provided with an outer sinking platform, and the outer frame is provided with a clamping plate corresponding to the outer sinking platform. Can fix the frame by structure trip two points through setting up the cardboard to adopt outer heavy platform structure can avoid frame protrusion in lamp plate.

Preferably, a sealing ring contacting with the lamp groove is arranged at the internal corner of the outer frame and the outer frame. Adopt the sealing washer can improve the leakproofness of lamp plate, the outdoor rugged environment of better adaptation.

Preferably, the lamp panel back of the periphery of the through hole is provided with a plurality of radiating fins distributed radially. The radiating effect of the light source circuit board is improved through the radiating fins, and meanwhile the radiating fins can play a role in enhancing the strength of the lamp panel.

Preferably, a space is reserved between the inner end of the radiating fin and the through hole. The best radiating effect is the place that radiating fin is set up to the periphery of this face of lamp plate this moment, and the heat is transferring to the periphery in can, avoids the heat to assemble in the periphery of through-hole.

The utility model has the beneficial effects that:

the structure that sets up the light trough on this scheme adoption lamp plate can show and reduce the thickness of lamp plate, can improve the area of the luminous region of lamp plate on the one hand, and the thinner thickness of on the other hand can improve the radiating efficiency, and then adopts more powerful light source, improves illumination brightness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only three of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

FIG. 2 is an external schematic view of an embodiment of the present invention;

FIG. 3 is a schematic view of a fastening device according to an embodiment of the present invention;

the lamp panel comprises a lamp panel 1, radiating fins 2, a U-shaped support 3, a fastening device 4, a through hole 5, a transparent plate 6, an outer frame 7, a lamp groove 8, an annular pressing sheet 9, a clamping flap 10, a clamping plate 11, a sealing ring 12, an inner connecting pipe 13, a connecting pipe 14, an expansion pipe 15, a pressing ring 16 and a threaded sleeve 17.

Detailed Description

For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.

Examples

As shown in fig. 1, the single-cavity large-scale explosion-proof lamp comprises a lamp panel 1, wherein a lamp groove 8 is formed in the front surface of the lamp panel 1, a light source circuit board is arranged in the lamp groove 8, and a transparent plate 6 is arranged at a notch of the lamp groove 8; the bottom of the lamp groove 8 is provided with a through hole 5 communicated to the back, and the outer port of the through hole 5 is butted with a fastening device 4. The light source circuit board is connected with an external power supply through a wire harness. The light source and the lamp panel 1 are separately arranged.

Through setting up light trough 8 in the front of lamp plate 1, set up light source circuit board in light trough 8, then set up transparent plate 6, overall structure is the flattening more, can improve the light-emitting area of light source, and the design of flattening can make its holistic radiating efficiency improve simultaneously, can use more powerful light source, improves illumination intensity, adopts fastener 4 simultaneously can be with the more firm locking of pencil on lamp plate 1.

The fastening device 4 comprises a connecting pipe 14, an inner connecting pipe 13, an expansion pipe 15, a pressing ring 16 and a threaded sleeve 17, wherein the front end of the connecting pipe 14 is in threaded fit with the outer port of the through hole 5, the inner connecting pipe 13 is sleeved in the connecting pipe 14, a pushing table is arranged on the periphery of the expansion pipe 15, the front end of the expansion pipe 15 is sleeved at the rear end of the inner connecting pipe 13, the outer wall of the rear end of the expansion pipe 15 is provided with a conical surface, the pressing ring 16 is sleeved outside the conical surface, an end table is arranged on the inner wall of the front end of the threaded sleeve 17, the front end of the threaded sleeve 17 is in threaded fit with the rear end of the connecting pipe 14, and the end table abuts against the pressing ring 16.

Connecting pipe 14 and 5 screw-thread fit of through-hole, the rear end of thread bush 17 and connecting pipe 14, consequently when rotating thread bush 17, can inwards promote clamping ring 16 and expansion pipe 15, when expansion pipe 15 inwards removes, under the extrusion of internal connection pipe 13, expansion pipe 15 will inwards shrink the extrusion, and then to being located the pencil quick fixation in expansion pipe 15.

The inner wall of the connecting pipe 14 comprises a taper hole with a thin front end and a thick rear end, and the outer wall of the inner connecting pipe 13 is provided with an outer taper wall matched with the taper hole. By adopting the cooperation of the conical hole and the outer conical wall, the inner nipple 13 will be pressed inwards by the connecting nipple 14 when the press ring 16 is pushed inwards, thereby forming a lock on the inside.

The rear end of the expansion pipe 15 is made of rubber. The rubber material has the property of shrinkage and better meets the requirement of expansion.

The periphery of the transparent plate 6 is provided with an outer frame 7, the outer frame 7 extends into the lamp groove 8 to form a clamping flap 10, the end part of the clamping flap 10 is outwards provided with a clamping hook, and the side wall of the lamp groove 8 corresponds to the clamping hook and is provided with a side groove. The strength of the transparent plate 6 can be improved by arranging the outer frame 7, and the transparent plate can be better fixed in the side groove.

The inner wall of the outer frame 7 is provided with an inner sinking platform, the transparent plate 6 is embedded in the inner sinking platform, the clamping flaps 10 are inwards provided with inner hooks, and an annular pressing sheet 9 is arranged between the inner hooks and the transparent plate 6. The transparent plate 6 can be conveniently fixed in the outer frame 7 by arranging the inner sunken table and the inner hook.

The notch of light trough 8 is equipped with outer heavy platform, frame 7 corresponds outer heavy platform is equipped with cardboard 11. Can fix frame 7 by structure trip two points through setting up cardboard 11 to adopt outer heavy platform structure can avoid frame 7 protrusion in lamp plate 1.

And a sealing ring 12 which is contacted with the lamp groove 8 is arranged at the internal corner of the outer frame 7 and the outer frame 7. By adopting the sealing ring 12, the sealing performance of the lamp panel 1 can be improved, and the outdoor severe environment can be better adapted.

The lamp panel 1 back of the periphery of the through hole 5 is provided with a plurality of radiating fins 2 which are distributed radially. The radiating effect of the light source circuit board is improved through the radiating fins 2, and meanwhile the radiating fins 2 can play a role in enhancing the strength of the lamp panel 1. And a space is reserved between the inner end of the radiating fin 2 and the through hole 5. The best radiating effect is that the place where the radiating fins 2 are arranged on the periphery of the lamp panel 1 is the best, heat can be transferred to the periphery, and the heat is prevented from being gathered on the periphery of the through hole 5.

Two ends of the UU-shaped bracket 3 are respectively hinged to two sides of the lamp panel 1.

This scheme adopts and sets up the structure of light trough 8 on lamp plate 1, can show the thickness that reduces lamp plate 1, can improve the area of the luminous region of lamp plate 1 on the one hand, and the thinner thickness of on the other hand can improve the radiating efficiency, and then adopts more powerful light source, improves illumination intensity.

The above embodiments should not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent transformations fall within the protection scope of the present invention.

Claims

1. A single-cavity large-scale explosion-proof lamp is characterized in that the lamp comprises a lamp panel (1),

a light trough (8) is arranged on the front side of the lamp panel (1), a light source circuit board is arranged in the light trough (8), and a transparent plate (6) is arranged at the notch of the light trough (8);

the bottom of the lamp groove (8) is provided with a through hole (5) communicated to the back, and the outer port of the through hole (5) is butted with a fastening device (4).

2. The large single-cavity explosion-proof lamp as claimed in claim 1, wherein: the fastening device (4) comprises a connecting pipe (14), an inner connecting pipe (13), an expansion pipe (15), a pressing ring (16) and a threaded sleeve (17), wherein the front end of the connecting pipe (14) is in threaded fit with the outer port of the through hole (5), the inner connecting pipe (13) is sleeved in the connecting pipe (14), a pushing platform is arranged on the periphery of the expansion pipe (15), the front end of the expansion pipe (15) is sleeved in the rear end of the inner connecting pipe (13), the outer wall of the rear end of the expansion pipe (15) is set to be a conical surface, the pressing ring (16) is sleeved outside the conical surface, an end platform is arranged on the inner wall of the front end of the threaded sleeve (17), the front end of the threaded sleeve (17) is in threaded fit with the rear end of the connecting pipe (14), and the end platform abuts against the pressing ring (16).

3. The large single-cavity explosion-proof lamp as claimed in claim 2, wherein: the inner wall of the connecting pipe (14) comprises a taper hole with a thin front end and a thick rear end, and the outer wall of the inner connecting pipe (13) is an outer taper wall matched with the taper hole.

4. A large single-chamber explosion-proof lamp as claimed in claim 3, wherein: the rear end of the expansion pipe (15) is made of rubber.

5. The large single-cavity explosion-proof lamp as claimed in claim 1, wherein: the periphery of transparent plate (6) is equipped with frame (7), frame (7) to extend in light trough (8) have card lamella (10), the tip of card lamella (10) outwards sets up the trip, the lateral wall of light trough (8) corresponds the trip sets up the side channel.

6. The large single-cavity explosion-proof lamp as claimed in claim 5, wherein: the inner wall of the outer frame (7) is provided with an inner sinking platform, the transparent plate (6) is embedded in the inner sinking platform, the clamping flaps (10) are inwards provided with inner hooks, and an annular pressing sheet (9) is arranged between the inner hooks and the transparent plate (6).

7. The large single-cavity explosion-proof lamp as claimed in claim 6, wherein: the notch of light trough (8) is equipped with outer heavy platform, frame (7) correspond outer heavy platform is equipped with cardboard (11).

8. The large single-cavity explosion-proof lamp as claimed in claim 7, wherein: and a sealing ring (12) which is in contact with the lamp groove (8) is arranged at the internal corner of the outer frame (7) and the outer frame (7).

9. The large single-cavity explosion-proof lamp as claimed in claim 1, wherein: the lamp panel (1) back of through-hole (5) outlying is equipped with a plurality of radiating fin (2) of radial distribution.

10. A large single-chamber explosion-proof lamp as claimed in claim 9, wherein: and a space is reserved between the inner end of the radiating fin (2) and the through hole (5).