CN116293595B - Explosion-proof strong light flashlight - Google Patents

Abstract

An explosion-proof strong light flashlight comprising: shell, LED lighting assembly, power and control module. The shell comprises a lamp cap, a lamp body and a tail cover, wherein the lamp cap and the tail cover are respectively arranged at two ends of the lamp body, and sealing rings are arranged at the joint of the lamp cap and the lamp body and the joint of the tail cover and the lamp body; the LED lighting component is accommodated in the lamp cap, and the power supply is accommodated in the lamp body; the control module comprises a protective shell and a PCB control board, wherein the protective shell is arranged in the lamp cap, the PCB control board is accommodated in the protective shell, and the LED lighting assembly and the power supply are electrically connected with the PCB control board. In summary, the explosion-proof strong light flashlight of the invention has the advantages that the power supply and the control module are respectively arranged at the two positions of the lamp holder and the lamp body, the protective shell is additionally arranged in the lamp holder to protect the PCB control board, the light and portable characteristics of the flashlight are reserved, and meanwhile, the tightness of the flashlight is improved, so that the flashlight can be normally used in the environment with explosive gas and dust.

Description

Explosion-proof high-intensity flashlight

Technical Field

The invention relates to the field of lighting, in particular to an explosion-proof high-intensity flashlight.

Background technique

Flashlights are commonly used mobile lighting fixtures in daily life. Due to their lightness and portability, they are also often used in industrial lighting fields, such as construction sites and mines. However, ordinary flashlights have the problems of low power and short lighting time, and cannot meet long-term lighting needs.

Although flashlights using LED as light sources can provide sufficient light intensity, their internal structure is more complicated than that of ordinary flashlights, their sealing is insufficient, and their explosion-proof performance does not meet the requirements for use in dusty environments.

Therefore, how to improve the sealing of the flashlight while retaining the lightness and portability of the flashlight so that it can be used normally in an environment with explosive gas and dust is a problem that technical personnel in this field need to solve.

Summary of the invention

The purpose of the present invention is to overcome the shortcomings of the prior art and provide an explosion-proof high-intensity flashlight with good sealing performance.

The objective of the present invention is achieved through the following technical solutions:

An explosion-proof high-intensity flashlight, characterized in that it comprises: a housing, an LED lighting component, a power supply and a control module;

The housing comprises a lamp holder, a lamp body and a tail cover, wherein the lamp holder and the tail cover are respectively arranged at two ends of the lamp body, and sealing rings are arranged at the connection between the lamp holder and the lamp body and at the connection between the tail cover and the lamp body;

The LED lighting assembly is accommodated in the lamp holder, and the power supply is accommodated in the lamp body;

The control module includes a protective shell and a PCB control board. The protective shell is arranged in the lamp holder. The PCB control board is accommodated in the protective shell. The LED lighting component and the power supply are electrically connected to the PCB control board.

In one embodiment, a first chamber, a second chamber and a third chamber are provided in the lamp holder, the diameters of the first chamber and the third chamber are both larger than the diameter of the second chamber, the protective shell is accommodated in the second chamber, and a limiting shoulder is provided on the protective shell, the limiting shoulder is supported on the interface between the second chamber and the third chamber, the front end of the lamp body passes through the third chamber, and the LED lighting component is accommodated in the first chamber.

In one embodiment, the control module also includes a starting switch and a USB plug, and the lamp head is provided with a first mounting hole and a second mounting hole connected to the second chamber, the starting switch is arranged in the first mounting hole, and the USB plug is arranged in the second mounting hole.

In one embodiment, the LED lighting assembly includes an LED light board, a heat sink, a reflective cup and a light-transmitting mirror, wherein the reflective cup and the heat sink are respectively located on two sides of the LED light board, the heat sink is located on a side of the LED light board close to the second chamber, and the light-transmitting mirror is located on an end of the reflective cup away from the LED light board.

In one embodiment, the LED lighting assembly further includes a lamp holder waterproof ring and a locking ring. The lamp holder waterproof ring is in a circular ring shape and is wrapped around the edge of the light-transmitting mirror. An inner folding portion is provided on the side of the lamp holder waterproof ring close to the second chamber. The locking ring is threadedly connected to the lamp holder and abuts against an end of the light-transmitting mirror away from the second chamber.

In one embodiment, a plurality of recessed portions are provided on the inner wall of the locking ring.

In one of the embodiments, a protective edge is provided on the lamp holder.

In one embodiment, the number of the sealing rings is 4.

In one of the embodiments, anti-slip grooves are arranged on the outer wall of the lamp body.

In one embodiment, the explosion-proof high-intensity flashlight further includes a suspension assembly, the suspension assembly includes an elastic member, a push plate, a limit ring and two hooks arranged opposite to each other, a guide hole is opened on the tail cover, the push plate is arranged in the guide hole, two ends of the elastic member are respectively in contact with the inner wall of the guide hole and the push plate, and a boss is arranged on the side of the push plate away from the elastic member;

The limiting ring cover is arranged on the guide hole, and a rotating base is arranged on one end of the limiting ring away from the guide hole;

The hook includes a rotating shaft, an eccentric pendulum rod, a roller and a hook claw. The rotating shaft is arranged on the rotating base. The eccentric pendulum rod and the hook claw are respectively arranged at two ends of the rotating shaft. The roller is installed on one end of the eccentric pendulum rod away from the rotating shaft. The eccentric pendulum rod is inclined toward a position close to the push plate, and the roller abuts against the boss.

In summary, the explosion-proof high-intensity flashlight of the present invention has the power supply and control module built into the lamp head and the lamp body respectively, and a protective shell is added inside the lamp head to provide protection for the PCB control board. While retaining the lightweight and portable characteristics of the flashlight, the sealing of the flashlight is improved, so that it can be used normally in an environment with explosive gas and dust.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

FIG1 is a schematic diagram of the internal structure of an explosion-proof high-intensity flashlight according to an embodiment of the present invention;

FIG2 is an exploded view of the explosion-proof high-intensity flashlight shown in FIG1 ;

FIG3 is a schematic diagram of the structure of the explosion-proof high-intensity flashlight shown in FIG1 ;

FIG4 is an exploded view of the suspension assembly;

FIG5 is a schematic cross-sectional view of a lamp holder in one embodiment;

FIG6 is a schematic diagram of the structure of a hook in one embodiment;

FIG7 is a schematic diagram of the internal structure of the suspension assembly in the initial state;

FIG8 is a schematic diagram of an explosion-proof high-intensity flashlight fixed on a maintenance tool;

FIG. 9 is a schematic diagram showing the state of the suspension assembly when the explosion-proof high-intensity flashlight is fixed on a maintenance tool.

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly understood.

It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and/or" used herein includes any and all combinations of one or more related listed items.

Please refer to FIG. 1 and FIG. 3 , an explosion-proof high-intensity flashlight 10 includes: a housing 100 , an LED lighting component, a power supply 300 and a control module.

Please refer to FIG. 1 and FIG. 2 , the housing 100 includes a lamp holder 110, a lamp body 120 and a tail cover 130, and the lamp holder 110 and the tail cover 130 are respectively arranged at both ends of the lamp body 120. Specifically, the lamp holder 110 is threadedly connected to the lamp body 120, and the tail cover 130 is threadedly connected to the lamp body 120. A sealing ring 11 is arranged at the connection between the lamp holder 110 and the lamp body 120 and at the connection between the tail cover 130 and the lamp body 120. By arranging the sealing ring 11, the inner cavity of the explosion-proof high-power flashlight 10 is separated from the outside, thereby improving the airtightness of the explosion-proof high-power flashlight 10. Preferably, the number of the sealing rings 11 is 4, and two sealing rings 11 are arranged at the connection between the lamp holder 110 and the lamp body 120 and at the connection between the tail cover 130 and the lamp body 120, respectively, thereby further improving the airtightness of the explosion-proof high-power flashlight 10.

Please refer to FIG. 2 . The lamp holder 110 and the lamp body 120 are both hollow structures. The LED lighting component is accommodated in the lamp holder 110 , and the power supply 300 is accommodated in the lamp body 120 . The control module includes a protective shell 410 and a PCB control board 420 . The protective shell 410 is disposed in the lamp holder 110 , and after the protective shell 410 is installed in the lamp holder 110 , it is located between the LED lighting component and the power supply 300 . The PCB control board 420 is accommodated in the protective shell 410 , and the LED lighting component and the power supply 300 are both electrically connected to the PCB control board 420 . The lighting and extinguishing of the LED lighting component and the charging/discharging of the power supply 300 are controlled by the PCB control board 420 . The PCB control board 420 is a component that is prone to problems in the explosion-proof high-intensity flashlight 10 . The PCB control board 420 is built into the protective shell 410 , and the protective shell 410 and the lamp holder 110 provide double protection, thereby improving the safety of the explosion-proof high-intensity flashlight 10 .

Furthermore, the LED lighting component and the power supply 300 are the main heat sources in the explosion-proof high-intensity flashlight 10. The LED lighting component and the power supply 300 are separated by the protective shell 410, which is beneficial to heat dissipation. The protective shell 410 replaces the PCB control board 420 to contact the two, which can prevent the heat emitted during work from affecting the normal operation of the PCB control board 420.

Please refer to Figure 5. In one embodiment, a first chamber 111, a second chamber 112 and a third chamber 113 are provided in the lamp holder 110. The diameters of the first chamber 111 and the third chamber 113 are both larger than the diameter of the second chamber 112, that is, the internal space of the lamp holder 110 is larger on both sides and smaller in the middle. Due to the diameter difference, shoulders are formed between adjacent chambers, and the shoulders can be used to provide limit for the components arranged therein, thereby reducing the setting of positioning components and improving the installation accuracy. Specifically, a protective shell 410 is accommodated in the second chamber 112, and a limiting shoulder 411 is provided on the protective shell 410. The limiting shoulder 411 is supported on the interface between the second chamber 112 and the third chamber 113. The front end of the lamp body 120 passes through the third chamber 113. An internal thread is provided in the third chamber 113 at the docking portion with the lamp body 120. The lamp body 120 is threadedly connected to the lamp holder 110, and the LED lighting component is accommodated in the first chamber 111.

Please refer to Figures 2 and 5. In one embodiment, the control module also includes a start switch 430 and a USB plug 440. The lamp holder 110 is provided with a first mounting hole 114 and a second mounting hole 115 connected to the second chamber 112. The start switch 430 is arranged in the first mounting hole 114. The PCB control board 420 is provided with an electric switch connected to the start switch 430. Pressing the start switch 430 can trigger the electric switch on the PCB control board 420. The explosion-proof high-intensity flashlight 10 is controlled to light up or extinguish by the electric switch. The USB plug 440 is arranged in the second mounting hole 115. The PCB control board 420 is provided with a USB interface for charging the power supply 300. The USB interface is arranged toward the second mounting hole 115. The USB plug 440 is used to close the second mounting hole 115 to prevent the USB interface from being exposed in the non-charging state.

Please refer to FIG. 1 and FIG. 2. In one embodiment, the LED lighting assembly includes an LED light board 210, a heat sink 220, a reflective cup 230 and a light-transmitting mirror 240. The reflective cup 230 and the heat sink 220 are respectively located on both sides of the LED light board 210. The LED light board 210 is electrically connected to the PCB control board 420. Specifically, the PCB control board 420 is provided with an extension portion that is connected to the LED light board 210. The extension portion passes through the heat sink 220 and is electrically connected to the LED light board 210. The heat sink 220 is located on the side of the LED light board 210 close to the second chamber 112. The heat sink 220 is attached to the LED light board 210 to absorb the heat generated when the LED light board 210 is working. The light-transmitting mirror 240 is located on the end of the reflective cup 230 away from the LED light board 210. The light emitted by the LED light board 210 passes through the light-transmitting mirror 240 and is emitted to the location to be illuminated.

Please refer to Figures 1 and 2. The LED lighting assembly also includes a lamp cap waterproof ring 250 and a locking ring 260. The lamp cap waterproof ring 250 is in a circular ring shape. The lamp cap waterproof ring 250 is covered on the edge of the light-transmitting mirror 240, and an inner folding portion 251 is provided on the side of the lamp cap waterproof ring 250 close to the second chamber 112. The cross-section of the lamp cap waterproof ring 250 is in an "L" shape. The lamp cap waterproof ring 250 wraps the side of the light-transmitting mirror 240, and partially covers the side of the light-transmitting mirror 240 close to the second chamber 112 through the inner folding portion 251. The locking ring 260 is threadedly connected to the lamp cap 110, and the locking ring 260 abuts against the end of the light-transmitting mirror 240 away from the second chamber 112. When the locking ring 260 is tightened, the locking ring 260 pushes the light-transmitting mirror 240 moves toward the second chamber 112. At this time, the light-transmitting mirror 240 squeezes the inner folded portion 251 on the lamp holder waterproof ring 250, causing the inner folded portion 251 to deform, thereby closing the gap between the light-transmitting mirror 240 and the lamp holder 110, thereby improving the sealing of the explosion-proof high-intensity flashlight. The locking ring 260 is on the side of the light-transmitting mirror 240 away from the second chamber 112. To meet the installation requirements of the locking ring 260, the edge of the lamp holder 110 needs to be higher than the end face of the light-transmitting mirror 240. The light-transmitting mirror 240 is buried in the lamp holder 110 to prevent foreign objects from directly scratching the light-transmitting mirror 240. When the light-transmitting mirror 240 is squeezed, the lamp holder waterproof ring 250, as an elastic component, can buffer part of the impact force, thereby reducing the risk of the light-transmitting mirror 240 being crushed.

2 , in one embodiment, a plurality of recessed portions 261 are disposed on the inner wall of the lock ring 260 . The recessed portions 261 are wrench positions, serving as support points when rotating the lock ring 260 , thereby reducing the difficulty of assembling and disassembling the lock ring 260 .

In one of the embodiments, a protective edge 116 is provided on the lamp head 110. The protective edge 116 is located at the edge of the lamp head 110 to increase the distance between the edge of the lamp head 110 and the light-transmitting mirror 240, thereby reducing the probability of the light-transmitting mirror 240 being directly scratched by the outside and preventing the light-transmitting mirror 240 from directly contacting the ground when the flashlight falls, thereby reducing the probability of damage to the light-transmitting mirror 240.

In one embodiment, anti-slip grooves are provided on the outer wall of the lamp body 120 to improve the comfort of the user's holding.

In summary, the explosion-proof high-intensity flashlight 10 of the present invention has the power supply 300 and the control module built into the lamp head 110 and the lamp body 120 respectively, and a protective shell 410 is added inside the lamp head 110 to provide protection for the PCB control board 420. While retaining the lightweight and portable characteristics of the flashlight, the sealing of the flashlight is improved so that it can be used normally in an environment with explosive gas and dust.

It can be understood that the above-mentioned explosion-proof high-intensity flashlight 10 is suitable for environments containing dust, explosive gases, etc. When construction personnel perform maintenance work on equipment, they need to point the flashlight toward the equipment fault location to provide lighting, so as to facilitate the maintenance work of the construction personnel. When performing maintenance work, both hands are often required to cooperate, so other people are required to hold the flashlight to provide lighting or use other parts of the body to clamp the flashlight for lighting. When other parts of the body are used to clamp the flashlight for lighting, the construction personnel's hands cannot be completely freed, which is not conducive to the smooth progress of the maintenance work; when the accompanying personnel hold the flashlight for lighting, they need to be reminded to adjust the lighting position at all times, which consumes manpower. Therefore, how to make the explosion-proof high-intensity flashlight 10 provide stable lighting during the operation of the construction personnel. In order to solve the above problems, the explosion-proof high-intensity flashlight 10 also includes a suspension assembly 500.

Please refer to FIG. 4 and FIG. 5 , the suspension assembly 500 includes an elastic member 510, a push plate 520, a stop ring 530 and two hooks 540 disposed opposite to each other. A guide hole 12 is provided on the tail cover 130, and the push plate 520 is disposed in the guide hole 12. The two ends of the elastic member 510 are respectively in contact with the inner wall of the guide hole 12 and the push plate 520. The elastic member 510 is used to provide elastic force to the push plate 520, so that the push plate 520 moves along the inner wall of the guide hole 12 toward the opening side of the guide hole 12. The diameter of the push plate 520 is consistent with the inner diameter of the guide hole 12, the outer wall of the push plate 520 is in contact with the inner wall of the guide hole 12, and a boss 521 is disposed on the side of the push plate 520 away from the elastic member 510.

The limiting ring 530 is covered on the guide hole 12, and the inner diameter of the limiting ring 530 is smaller than the diameter of the push plate 520. The limiting ring 530 limits the movement range of the push plate 520 and prevents the push plate 520 from sliding out of the guide hole 12. A rotating base 531 is set on the side surface of the limiting ring 530 away from the guide hole 12.

The hook 540 includes a rotating shaft 541, an eccentric swing rod 542, a roller 543 and a hook 544. The hook 544 is made of an elastic material. The hook 544 can be bent and deformed by applying force. The rotating shaft 541 is arranged on the rotating base 531. The eccentric swing rod 542 and the hook 544 are arranged at both ends of the rotating shaft 541. Specifically, the eccentric swing rod 542 and the hook 544 are respectively arranged on both sides of the rotating shaft 541 with the rotating shaft 541 as the center. The rotating shaft 541 is the rotation center of the hook 540. The eccentric swing rod 542 and the hook 544 arranged at both ends of the rotating shaft 541 swing up and down with the rotation of the rotating shaft 541, and the swinging directions are opposite. Specifically, when the eccentric swing rod 542 swings downward, the hook 544 swings upward; when the eccentric swing rod 542 swings upward, the hook 544 swings downward. Preferably, an anti-slip layer is arranged on the outer wall of the hook 544.

The roller 543 is installed on the end of the eccentric pendulum rod 542 away from the rotating shaft 541. The eccentric pendulum rod 542 is inclined toward the position close to the push plate 520, and the roller 543 abuts against the boss 521. The push plate 520 pushes the eccentric pendulum rod 542 to flip upward until the hook 544 abuts against the limiting ring 530.

The working principle of the above suspension assembly 500 is introduced below:

In the initial state, the elastic member 510 is extended, the push plate 520 and the rollers 543 on the two eccentric swing rods 542 are located at the opening side of the guide hole 12, and the two hook claws 544 are in contact with the end surface of the limiting ring 530, as shown in FIG. X. In this state, the two hook claws 544 are parallel to the end surface of the limiting ring 530;

The hook claw 544 is moved to swing around the rotating shaft 541, and the hook 540 overcomes the elastic force of the elastic member 510 and rotates. At this time, the eccentric swing rod 542 swings toward the guide hole 12, and the roller 543 arranged on the eccentric swing rod 542 presses the push plate 520 to make the push plate 520 move away from the opening side of the guide hole 12. The hook claw 544 changes from being parallel to the end face of the limiting ring 530 to being perpendicular to the end face of the limiting ring 530. At this time, the hook claw 544 can be used to hook the equipment to be repaired or the maintenance tool to provide lighting.

It should be noted that the hook 540 cooperates with the elastic member 510 to enable the explosion-proof high-intensity flashlight 10 to have automatic resetting capability. When the explosion-proof high-intensity flashlight 10 is removed from the hanging position, the external force of the hook 544 loses support, and the elastic member 510 pushes the push plate 520 to move toward the opening side of the guide hole 12, driving the hook 540 to reverse until the hook 544 abuts against the limit ring 530, and the suspension assembly 500 returns to its initial state.

Furthermore, by holding both sides of the boss 521 and applying torque, the push plate 520 can be driven to rotate so that the boss 521 is offset from the two rollers 543. In this way, the elastic force provided by the elastic member 510 no longer acts on the hook 540 through the push plate 520, that is, the hook 540 will not automatically return to its initial state after the external force is removed.

The two setting states of the push plate 520 can be applied to the following two different occasions:

1. When the explosion-proof strong light flashlight 10 needs to be directly suspended in the air to provide temporary lighting:

Hold both sides of the boss 521 and apply force to rotate the push plate 520 so that the boss 521 is offset from the two rollers 543, release the elastic force applied by the elastic member 510 to the hook 540, move the hook claw 544, and flip the hook claw 544 to be perpendicular to the end face of the limiting ring 530, so that the hook claw 544 can be hung at the target position, and the explosion-proof high-intensity flashlight 10 can be used as a temporary chandelier.

After removing the explosion-proof high-intensity flashlight 10, move the hook claw 544 to make the hook claw 544 flip over to fit the end face of the limit ring 530, hold the boss 521, press the push plate 520 to make the push plate 520 sink, and rotate the push plate 520 to make the boss 521 face the roller 543 again. After releasing the boss 521, the push plate 520 is reset under the push of the elastic member 510, and the boss 521 is again in contact with the roller 543, and the elastic force provided by the elastic member 510 keeps the hook claw 544 in a state of fitting with the end face of the limit ring 530.

2. When the explosion-proof strong light flashlight 10 needs to be hung on the maintenance tool 20 (such as a cross wrench) to provide lighting:

Please refer to FIG9 . In the initial state, the two hooks 544 are moved to make the hooks 544 leave the end surface of the limiting ring 530, so that the two hooks 544 approach each other, and the long handle part 21 on the maintenance tool passes through the hooks 544. The hooks 544 are released, and the hook 540 is reversed under the action of the elastic member 510, thereby pushing the two hooks 544 away from each other. When the hooks 544 approach the end surface of the limiting ring 530, they are against the long handle part 21, and finally the long handle part 21 is clamped between the limiting ring 530 and the hooks 544, so that the explosion-proof strong light flashlight 10 is fixed on the maintenance tool. As shown in FIG8 , when the equipment is repaired, the maintenance tool is extended into the fault location to provide lighting, which can free the hands of the construction personnel.

The hook claws 544 are moved again to make the two hook claws 544 leave the long handle part 21 , and the long handle part 21 is pulled away, and the hook claws 544 are released. The hook claws 544 return to the initial position under the elastic force provided by the elastic member 510 .

The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims (9)

1. An explosion-proof strong light flashlight, comprising: the LED lighting device comprises a shell, an LED lighting assembly, a power supply and a control module;

The shell comprises a lamp cap, a lamp body and a tail cover, wherein the lamp cap and the tail cover are respectively arranged at two ends of the lamp body, and sealing rings are arranged at the joint of the lamp cap and the lamp body and the joint of the tail cover and the lamp body;

the LED lighting component is accommodated in the lamp cap, and the power supply is accommodated in the lamp body;

the control module comprises a protective shell and a PCB control board, the protective shell is arranged in the lamp cap, the PCB control board is accommodated in the protective shell, and the LED lighting assembly and the power supply are electrically connected with the PCB control board;

The tail cover is provided with a guide hole, the push plate is arranged in the guide hole, two ends of the elastic piece are respectively abutted with the inner wall of the guide hole and the push plate, and a boss is arranged on one side of the push plate away from the elastic piece;

the limiting ring is covered on the guide hole, and a rotating base is arranged at one end, far away from the guide hole, of the limiting ring;

The hook comprises a rotating shaft, an eccentric swing rod, a roller and a hook claw, wherein the rotating shaft is arranged on the rotating base, the eccentric swing rod and the hook claw are respectively arranged at two ends of the rotating shaft, the roller is arranged at one end, far away from the rotating shaft, of the eccentric swing rod, the eccentric swing rod inclines towards a position close to the push plate, and the roller is in butt joint with the boss.

2. The explosion-proof strong light flashlight of claim 1, wherein a first chamber, a second chamber and a third chamber are arranged in the lamp cap, the diameters of the first chamber and the third chamber are larger than those of the second chamber, the protective shell is accommodated in the second chamber, a limiting shaft shoulder is arranged on the protective shell and abuts against an interface between the second chamber and the third chamber, the third chamber is penetrated through the front end of the lamp body, and the LED lighting assembly is accommodated in the first chamber.

3. The explosion-proof strong light flashlight of claim 2, wherein the control module further comprises a start switch and a USB plug, a first mounting hole and a second mounting hole are formed in the lamp cap and are communicated with the second chamber, the start switch is arranged in the first mounting hole, and the USB plug is arranged in the second mounting hole.

4. The explosion-proof strong light flashlight of claim 2, wherein the LED lighting assembly comprises an LED lamp panel, a heat sink, a light reflecting cup and a light transmitting mirror, the light reflecting cup and the heat sink are respectively located at two sides of the LED lamp panel, the heat sink is located on one side of the LED lamp panel close to the second chamber, and the light transmitting mirror is located at one end of the light reflecting cup far away from the LED lamp panel.

5. The explosion-proof strong light flashlight of claim 4, wherein the LED lighting assembly further comprises a waterproof ring and a locking ring, the waterproof ring is ring-shaped, the waterproof ring is wrapped on the edge of the light-transmitting lens, an inward folded part is arranged on one side, close to the second cavity, of the waterproof ring, the locking ring is in threaded connection with the lamp cap, and the locking ring is in butt joint with one end, far away from the second cavity, of the light-transmitting lens.

6. The explosion-proof strong light flashlight of claim 5, wherein a plurality of concave portions are arranged on the inner wall of the locking ring.

7. The explosion-proof glare flashlight of claim 1, wherein the lamp cap is provided with a protective edge.

8. The explosion-proof high light flashlight of claim 1, wherein the number of sealing rings is 4.

9. The explosion-proof strong light flashlight of claim 1, wherein the outer wall of the flashlight body is provided with anti-skidding patterns.