CN2593031Y

CN2593031Y - Miniature explosion-proof electric torch

Info

Publication number: CN2593031Y
Application number: CN 03223070
Authority: CN
Inventors: 周明杰; 易年丰; 王保河
Original assignee: SHENZHEN OCEAN'S KING INVESTMENT DEVELOPMENT CO LTD
Current assignee: Oceans King Lighting Science and Technology Co Ltd
Priority date: 2003-01-14
Filing date: 2003-01-14
Publication date: 2003-12-17
Anticipated expiration: 2013-01-14

Abstract

The utility model discloses a miniature explosion-proof electric torch. The utility model comprises a lamp torch, a lamp cap and a tail cover which are made of high strength aluminum alloy materials, wherein, the lamp cap and the tail cover are connected with the lamp torch through explosion isolation threads; an illuminating device which is composed of a group of illuminating tubes is arranged in the lamp cap, a switch device used for switching on the illuminating tubes is arranged in the tail cover, and sealing rings used for carrying out sealing operation are arranged on explosion isolation threaded rods on both sides of the lamp torch; the lamp torch, the lamp cap and the tail cover which are made of aluminum alloy materials have high strength, and the lamp cap and the tail cover are in seal connection with the lamp torch through the explosion isolation threads; an electric torch can have better explosion-proof performance and can be used in various ill-being, the illuminating device which is composed of the illuminating tubes has high illuminating brightness, long service life, electricity saving and energy saving, and the electric torch has small volume and is convenient to be carried.

Description

The miniature explosion-proof torch

Technical field

The utility model relates to ligthing paraphernalia, is specifically related to a kind of being specially adapted at special occasions and the open-air miniature explosion-proof torch that uses.

Background technology

In the prior art, small-sized common torch adopts common bulb, luminous efficiency is low, the energy consumption height, and service life is short, poor sealing performance, do not have explosion prevention function, can not as mine, oil field, swing the danger, open-air, wait special occasions to use under water, and the lighting that can use in above-mentioned occasion, usually all be that some need be fixed on the large-scale light fixture that use some positions, be not easy to move use.

The utility model content

The technical problems to be solved in the utility model is, a kind of miniature explosion-proof torch is provided, this torch not only can be in the mine, the oil field, swing the danger, open-air, wait special occasions to use under water, and be easy to carry.

The technical solution of the utility model is as follows: construct a kind of miniature explosion-proof torch, comprise the lamp tube, lamp holder, the tail-hood that adopt high-strength aluminum alloy material to make, described lamp holder, tail-hood are connected by flame proof thread with the lamp tube, the light-emitting device that is made of one group of luminous tube is arranged in the described lamp holder, in described tail-hood, be provided with the switching device of connecting described luminous tube.

In above-mentioned miniature explosion-proof torch, the end face of described lamp holder is provided with a plurality of through holes, described one group of luminous tube lays respectively in the described through hole, the luminous tube wiring board interior with being arranged on lamp holder is connected, in described lamp holder, be provided with the circuit board that is connected with described wiring board, be provided with mounting bracket between described wiring board and the circuit board.

In above-mentioned miniature explosion-proof torch, described a plurality of through hole is distributed on the same circumference of lamp holder end face, centre at described lamp holder end face also is provided with charging socket, be provided with spring support in the described lamp holder, the positive and negative electrode spring is housed in support, and the terminals of described socket are connected with described positive and negative electrode spring by lead.

In above-mentioned miniature explosion-proof torch, described switching device comprises by the switch kept burning day and night of turn tail-hood connection with by pushing the crawl light switch of tail-hood end.

In above-mentioned miniature explosion-proof torch, described switch kept burning day and night comprises the conductive copper sheet that is positioned at the tail-hood medial end, the movable push bar that withstands on this copper sheet one side, described point driving switch comprises the flexible keypad that is sealedly connected on described tail-hood bottom, is provided with in the inboard of described flexible keypad to promote the push rod cup that described movable push bar moves.

In above-mentioned miniature explosion-proof torch, on the flame proof thread bar at described lamp tube two ends, also be provided with the sealing ring that is used to seal.

Implement the miniature explosion-proof torch that the utility model provides, compare with existing common torch and to have following advantage: the lamp tube that adopts aluminum alloy materials to make, lamp holder and tail-hood, the intensity height, lamp holder, tail-hood and lamp tube are tightly connected by flame proof thread, adopt cylindrical flameproof joint to be connected between luminous tube and the luminous tube support, the key switch place also adopts cylindrical flameproof joint to connect, make torch have better explosion-proof performance, can in various rugged environments, use the light-emitting device that adopts luminous tube to constitute, luminosity height, long service life, the power and energy saving, the volume of torch is little, is easy to carry.

Description of drawings

Fig. 1 is the front view of the utility model miniature explosion-proof torch;

Fig. 2 is the cutaway view of Fig. 1;

Fig. 3 is the side view of Fig. 2;

Fig. 4 is the circuit theory diagrams of miniature explosion-proof torch shown in Figure 1.

The specific embodiment

As shown in Figure 1, 2, 3, a kind of miniature explosion-proof torch is provided, comprise the lamp tube 7, lamp holder 3, the tail-hood 8 that adopt high-strength aluminum alloy material to make, lamp holder 3, tail-hood 8 and lamp tube 7 are connected by flame proof thread, in lamp holder 3, be provided with the light-emitting device that constitutes by one group of luminous tube, in tail-hood 8, be provided with the switching device of connecting luminous tube.

Fig. 2,3 is depicted as a kind of typical luminous tube structure is set, be on the end face of lamp holder, to be provided with a plurality of through holes 36, a luminous tube 1 is set in each through hole 36, luminous tube 1 is connected with wiring board 2 in being arranged on lamp holder 3, in lamp holder 3, be provided with the circuit board 27 that is connected with wiring board 2, be provided with mounting bracket 30 between wiring board 2 and the circuit board 27; Wiring board 2 is by

lead

6,29 and control circuit board 27 and battery connection, and a plurality of through holes can be distributed on the same circumference of lamp holder end face;

For ease of using torch, in the lamp tube, be provided with the lithium battery 16 that can discharge and recharge, correspondingly also be provided with by conducting sheet in socket 32 in the centre of lamp holder 3 end faces, the charging socket that contact pin 33 constitutes, realize conducting by screw 4 and lamp holder 3, lamp tube afterbody and conductive copper sheet 13 conductings, it is anodal that whole lamp housing is constituted, wiring board 2 connects, in lamp holder 3, also be provided with spring support 21, turn-on battery is housed just in support,

negative spring

22,20, charging socket 33 and conducting sheet in socket 32 terminals are by lead 5,28 with just,

negative spring

22,20 connect, for ease of with the battery conducting, also be provided with anodal hoodle 18 and GND wiring board 19 with anodal spring 22 adjacency in support 21, support 21 is by screw 24, insulating trip 25 is connected with circuit board 27 with retainer 26, also is provided with spacer 17 at the positive terminal of battery 16.

As shown in Figure 2, the switching device in the torch tail-hood can adopt two kinds of structures to realize, a kind of is the switch kept burning day and night that is communicated with by turn tail-hood 8, and a kind of is by pushing the crawl light switch of tail-hood 8 ends.The structure of switch kept burning day and night is at the conductive copper sheet 13 of tail-hood 8 medial ends and insulation sheath 14, side at copper sheet 13 is provided with movable push bar 12, when turn tail-hood 8 inwards, normally buckleing number at tail-hood 8 with screwing of lamp tube 7 is 8 o'clock, conductive copper sheet 13 is connected with GND, torch will be in on-state kept burning day and night, the structure of point driving switch is to connect flexible keypad 9 in the tail-hood bottom end seal, be provided with the push rod cup 11 that promotion movable push bar 12 moves in the inboard of flexible keypad 9, tail-hood 8 and lamp tube 7 are being screwed when buckleing number and be 6-7, by pushing flexible keypad 9, promotion movable push bar 12 moves and makes conductive copper sheet 13 and GND connection can realize the crawl illumination, unclamp flexible keypad 9, circuit disconnects.

As shown in Figure 2, the utility model also adopts following two kinds of measures to improve the sealing property of miniature explosion-proof torch, and a kind of is the

sealing ring

15,23 that is provided for sealing on the flame proof thread bar at lamp tube two ends; Another kind is to be provided with filler piece 31 in lamp holder 3, and luminous tube 1 is fixed together with lamp holder 3 by sealing viscose glue 37.

For ease of lifting the miniature explosion-proof torch, tail-hood 8 excircle on also be provided with rope band 10.

Fig. 4 is the circuit theory diagrams of torch, and circuit adopts triode and suitable peripheral cell to constitute, and circuit also can be realized preventing over-charging of battery, cross and put and function such as short-circuit protection except that the function with conducting luminous tube.

Claims

1, a kind of miniature explosion-proof torch, comprise the lamp tube (7), lamp holder (3), the tail-hood (8) that adopt high-strength aluminum alloy material to make, it is characterized in that, described lamp holder (3), tail-hood (8) are connected by flame proof thread with lamp tube (7), described lamp holder has the light-emitting device that is made of one group of luminous tube in (3), is provided with the switching device of connecting described light-emitting device in described tail-hood (8).

2, according to the described miniature explosion-proof torch of claim 1, it is characterized in that, the end face of described lamp holder (3) is provided with a plurality of through holes, in described through hole, respectively be provided with a luminous tube that constitutes light-emitting device, luminous tube is connected with wiring board (2) in being arranged on lamp holder (3), wiring board (2) is connected by screw with lamp holder (3), lamp holder (3) and lamp tube (7) are by being threaded, in described lamp holder (3), be provided with the control circuit board (27) that is connected with described wiring board (2), be provided with mounting bracket (30) between described wiring board (2) and the circuit board (27).

3, according to the described miniature explosion-proof torch of claim 2, it is characterized in that, described a plurality of through hole is distributed on the same circumference of lamp holder (3) end face, centre at described lamp holder (3) end face also is provided with charging socket, be provided with spring support (21) in the described lamp holder (3), positive and negative electrode spring (22,20) is housed in support (21), and the terminals of described socket are connected with described positive and negative electrode spring (22,20) by lead.

According to the described miniature explosion-proof torch of claim 2, it is characterized in that 4, described switching device comprises by the switch kept burning day and night of turn tail-hood connection with by pushing the crawl light switch of tail-hood end.

5, according to the described miniature explosion-proof torch of claim 4, it is characterized in that, described switch kept burning day and night comprises the conductive copper sheet (13) that is positioned at the tail-hood medial end, the movable push bar (12) that withstands on these copper sheet (13) one sides, described point driving switch comprises the flexible keypad (9) that is sealedly connected on described tail-hood (8) bottom, be provided with the push rod cup (11) that the described movable push bar of promotion (12) moves in the inboard of described flexible keypad (9), tail-hood (8) and conductive copper sheet (13) are by tightening or crawl formation conducting loop.

6, according to claim 1 or 2 described miniature explosion-proof torches, it is characterized in that, on the flame proof thread bar at described lamp tube (7) two ends, also be provided with the sealing ring (15,23) that is used to seal.

7, according to the described miniature explosion-proof torch of claim 3, it is characterized in that, also comprise the lithium battery (16) that is arranged in the described lamp tube (7), in described support (21), be provided with anodal hoodle (18) with described anodal spring (22) adjacency.

According to claim 1 or 3 described miniature explosion-proof torches, it is characterized in that 8, described luminous tube (1) is fixed together by the through hole on sealing viscose glue and the support.

9, according to claim 1 or 3 described miniature explosion-proof torches, it is characterized in that, described tail-hood (8) excircle on be provided with rope band (10).