CN111486347A

CN111486347A - Explosion-proof portable lamp

Info

Publication number: CN111486347A
Application number: CN201911166993.9A
Authority: CN
Inventors: 周明杰; 杨小鹏
Original assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Current assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-04

Abstract

The invention discloses an explosion-proof portable lamp, which comprises a lamp shell assembly, a lamp shade, a connecting joint, a driving module, a light source assembly and a lead, wherein the lamp shell assembly is provided with a first sealing cavity, and the lamp shell assembly is provided with an opening for communicating the first sealing cavity with the outside; the lampshade is connected to the lamp shell assembly in a sealing mode and forms a second sealing cavity together with the lamp shell assembly; the connecting joint is provided with a connecting channel, and the connecting through hole is used for communicating the first sealing cavity with the second sealing cavity; the battery is arranged in the first sealing cavity; the driving module is arranged in the first sealing cavity and is electrically connected with the battery; the light source component is arranged in the second sealing cavity; one end of the lead is electrically connected with the driving module, and the other end of the lead penetrates through the connecting channel in a sealing mode and is electrically connected with the light source. Install in the installation through-hole through sealing connecting piece, with first sealed chamber and the sealed isolated of second sealed chamber, spark, electric arc etc. that produce are isolated completely, can not influence each other, have improved explosion-proof effect greatly.

Description

Explosion-proof portable lamp

Technical Field

The invention relates to the technical field of lamps, in particular to an explosion-proof portable lamp.

Background

Current explosion-proof portable lighter is many to place electrical components such as light source subassembly and drive module in same cavity, the heat that produces in the working process accumulates each other easily for shell surface temperature sharply risees, produce the potential safety hazard, and, place light source subassembly and drive module etc. in same cavity, wherein spark or electric arc etc. that arbitrary electrical component produced all probably influence other electrical components, because electrical component influences each other very easily, and then probably lead to other electrical components to produce bigger spark or electric arc, cause very big potential safety hazard.

Therefore, there is a need for an explosion-proof portable lamp that can solve the above-mentioned problems.

Disclosure of Invention

In view of the above problems, the present invention provides an explosion-proof portable lamp with better explosion-proof effect.

According to an aspect of the present invention, there is provided an explosion-proof running light, including:

the lamp shell assembly is provided with a first sealing cavity, and an opening for communicating the first sealing cavity with the outside is formed in the lamp shell assembly so that an external power line can penetrate into the first sealing cavity in a sealing manner;

the lampshade is connected to the lamp shell assembly in a sealing mode and forms a second sealing cavity with the lamp shell assembly;

the driving module is arranged in the first sealing cavity and is electrically connected with an external incoming power line;

a light source assembly disposed within the second sealed cavity; and

the lamp shell assembly is provided with a mounting through hole for communicating the first sealing cavity with the second sealing cavity, the sealing connecting piece is mounted in the mounting through hole in a sealing mode, and the sealing connecting piece can enable the light source assembly to be electrically connected with the driving module.

The sealing connecting piece comprises a connecting joint, a wire and a sealant, the connecting joint is installed in the installation through hole in a sealing mode, the connecting joint is provided with a connecting channel, the wire is arranged in the connecting channel in a penetrating mode, two ends of the wire extend out of two ends of the connecting channel respectively, and the sealant is arranged between the wire and the inner wall of the connecting channel.

The ratio of the cross-sectional area of the wire perpendicular to the length direction of the wire to the cross-sectional area of the connecting channel perpendicular to the length direction of the connecting channel is less than 0.8.

This embodiment still includes the shutoff piece, shutoff piece detachably installs in connect the one end of passageway, offer on the shutoff piece and be used for supplying the through-hole that the wire passed.

The lamp shell assembly comprises a shell body and a bottom cover, wherein the bottom cover is connected to the shell body in a sealing mode, and the bottom cover and the shell body form the second sealing cavity.

This embodiment still includes first sealing washer, be used for on the end cover with the connection face that the shell body is connected inwards caves in and forms annular groove, the shell body have with the annular bulge that the annular groove corresponds, the sealing washer sets up in the annular groove, the annular bulge supports and presses on the sealing washer.

The shell is provided with a limiting cavity, the driving module is fixedly installed in the limiting cavity, and the shell further comprises an insulating sleeve, and the insulating sleeve is sleeved on the driving module.

This embodiment still includes the second sealing washer, lamp shade threaded connection be in on the shell, the second sealing washer sets up the lamp shade with between the shell body.

This embodiment still includes preforming and screen panel, the outer fringe of lamp shade outwards extends and forms the clamping ring, the lamp shade is installed when the shell was last, the clamping ring supports and leans on the shell is last, the preforming supports and presses on the clamping ring, the preforming with shell body fixed connection, the screen panel cover is established outside the lamp shade.

This embodiment still includes the glan head, and the power cord is sealed to be worn to establish in the glan head, glan head sealing connection be in on the opening.

The embodiment of the invention has at least the following beneficial effects:

in this embodiment, through the cooperation of lamp house subassembly and lamp shade, separate light source subassembly and drive module through the cavity of two differences, can make the more even distribution of heat that light source subassembly and drive module produced, and the heat accumulation can not appear and cause the too high phenomenon of local position temperature, through installing the through-hole with first sealed chamber and the sealed chamber intercommunication of second, install in the installation through-hole through sealing connecting piece, seal first sealed chamber and the sealed chamber of second completely isolated, and with light source subassembly and drive module electric connection through sealing connecting piece, first sealed chamber and the sealed chamber of second can be in encapsulated situation each other, the spark of production, electric arc etc. are completely isolated, can not influence each other, the explosion-proof effect has been improved greatly.

Drawings

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

Wherein:

FIG. 1 is a schematic view of the overall structure of an explosion-proof portable lamp in one embodiment;

FIG. 2 is a schematic cross-sectional view of an embodiment of an explosion-proof portable lamp;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2 at A;

FIG. 4 is a schematic view of a portion of the structure shown at B in FIG. 3;

the LED lamp comprises a shell body 100, a shell body 101, a first sealing cavity 102, an annular protrusion 103, a second sealing cavity 110, a partition plate 111, a mounting through hole 120, a first sealing ring 130, a first bolt 200, a bottom cover 201, an opening 202, a connecting hole 203, an annular groove 220, a gland head 221, a fastening nut 222, a clamping gasket 300, a lamp cover 301, a press ring 310, a second sealing ring 320, a press sheet 330, a second bolt 340, a mesh cover 400, a connecting joint 401, a connecting channel 410, a sealant 420, a sealing piece 600, a light source assembly 610, a light source substrate 620, an L ED patch 700, a driving module 710, a press plate 800, a lead wire 900 and a connecting terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the explosion-proof portable lamp in this embodiment includes a driving module 700, a light source assembly 600, a wire 800, a lamp housing assembly, a lamp cover 300, and a connection joint 400, the lamp housing assembly has a first sealed cavity 101, the driving module 700 is installed in the first sealed cavity 101, the lamp cover 300 is hermetically connected with the lamp housing assembly, the lamp cover 300 and the lamp housing assembly after connection form a second sealed cavity 103, the connection joint 400 has a connection channel 401, the connection channel 401 communicates the first sealed cavity 101 with the second sealed cavity 103, one end of the wire 800 is electrically connected with the driving module 700, the other end of the wire 800 is electrically connected with the light source assembly 600 by passing through the connection channel 401 in a sealed manner, it should be noted that, after the wire 800 passes through the connection channel 401, the connection channel 401 is sealed, so that the connection channel 401 and the wire 800 are in a sealed state, the first sealed cavity 101 and the second sealed cavity 103 can be ensured to be sealed and isolated from each other. In this embodiment, separate light source subassembly 600 and drive module 700 through two different cavities, the heat that can make light source subassembly 600 and drive module 700 produce adds even distribution more, and the temperature accumulation can not appear and cause the phenomenon that local position temperature is too high, communicate first sealed chamber 101 and second sealed chamber 103 through connecting channel 401, wire 800 that will connect drive module 700 and light source subassembly 600 seals and passes connecting channel 401, make first sealed chamber 101 and second sealed chamber 103 can be in encapsulated situation each other, the spark of production, electric arc etc. are completely isolated, can not influence each other, the explosion-proof effect has been improved greatly.

The opening 201 has been seted up on the lamp housing subassembly in this embodiment, and the opening 201 communicates external world and first sealed chamber 101, and through this beginning, external power cord can seal and penetrate first sealed chamber 101, and this seals and penetrates and indicates, need do sealed processing with opening 201 after external power cord sends into first sealed chamber 101 to guarantee the leakproofness of first sealed chamber 101.

Preferably, still include the glan head 220 among the this embodiment, glan head 220 detachably installs in opening 201, and first airtight chamber is sealed penetrated from opening 201 to external power cord through glan head 220, through the mode of glan head 220 installation power cord, dismantles, simple to operate is swift, can guarantee the leakproofness moreover.

Preferably, the glan head 220 includes a tightening nut 221, a clamping washer 222, a sealing washer, a connecting bolt and a connecting nut, the connecting bolt is provided with a via hole for an external power line to pass through, two ends of the connecting bolt are respectively a first threaded connection portion and a second threaded connection portion, the diameter of the first threaded connection portion is smaller than that of the second threaded connection portion, a step is further formed at the connection position, the sealing washer is sleeved on the first threaded connection portion and abuts against the step, the connecting nut is in threaded connection with the first threaded connection portion, the connecting nut and the first threaded connection portion are matched to enable the connecting bolt to be hermetically mounted on the opening 201 of the bottom cover 200, the clamping washer 222 is arranged in the via hole at the second connection portion in a penetrating manner, a portion of the clamping washer 222 extends out of the via hole, the tightening nut 221 is in threaded connection with the second threaded connection portion, the external power line is arranged in the clamping, when the nut is tightened, a certain pressure can be generated on the clamping washer 222, so that an externally penetrated power line can be clamped, and the power line and the via hole are in a sealed state, so that the tightness of the first sealing cavity 101 is ensured.

Preferably, the clamping washer 222 is a silicone washer, which is age resistant and has a long life.

Preferably, the inner hole of the clamping washer 222 contacting with the external power line is tapered, that is, the inner hole gradually increases or decreases in diameter from one end to the other end, and the inner hole of the clamping washer 222 is tapered, so that the sealing effect is better.

Referring to fig. 2 and 4, in the present embodiment, the lamp housing assembly includes a housing body 100 and a bottom cover 200, the bottom cover 200 is hermetically connected to the housing body 100, preferably, the bottom cover 200 is fixedly connected to the housing body 100 by a first bolt 130, specifically, the bottom cover 200 has a first fixing portion for fixing to the housing body 100, the housing body 100 has a second fixing portion fixedly matched with the first fixing portion, and the first fixing portion and the second fixing portion are fixedly connected by the first bolt 130. Preferably, a connection surface of the first fixing portion and the second fixing portion is a plane.

Preferably, a first sealing ring 120 is arranged between the first fixing portion and the second fixing portion, and the sealing performance between the bottom cover 200 and the shell body 100 is further ensured by the first sealing ring 120, specifically, the surface where the first fixing portion and the second fixing portion are connected is recessed inwards to form an annular groove 203, the first sealing ring 120 is installed in the annular groove 203, an annular protrusion 102 corresponding to the annular groove 203 is arranged on the second fixing portion, the annular protrusion 102 abuts against the first sealing ring 120 pressed in the annular groove 203, the annular groove 203 limits the first sealing ring 120 to move, the cooperation of the annular protrusion 102 and the annular groove 203 can enable the effect of pressing the first sealing ring 120 to be better, and further the sealing effect of the first sealing ring is better. Preferably, the first sealing ring 120 is made of an insulating and heat-insulating material, such as ceramic fiber, etc., so as to better isolate internal heat and spark or arc, and better perform an explosion-proof function.

Of course, the sealing effect can also be achieved by the pressing between the surfaces of the first fixing portion and the second fixing portion. Specifically, first fixed part has an annular arc wall, has on the second fixed part with annular arc wall shape, the annular arc of radian adaptation protruding, annular arc is protruding to be installed in annular arc wall, fixes back with shell body 100 and bottom 200 through first bolt 130, and the protruding pressfitting of annular arc is in annular arc recess, can play fine sealed effect equally.

In addition, the connection method between the housing body 100 and the bottom cover 200 in the present embodiment may be welding, screwing, riveting, or snap-fitting.

Preferably, the shell body 100 is formed by die casting ADC12(AI-SI-CU alloy), the wall thickness of the shell body 100 is 2mm-5mm, and preferably, the thickness of the shell body 100 is 3mm-4mm, so that the strength of the shell body 100 can be ensured, and the explosion-proof effect is better.

Preferably, the bottom cover 200 is injection molded from engineering plastics, such as PC and/or ABS, and has good overall performance, high impact strength, chemical stability, and electrical performance, and has high impact resistance, high heat resistance, and flame retardant effect, further improving the explosion-proof effect of the bottom cover 200. And compared with the explosion-proof portable lamp shell made of all metal, the weight of the explosion-proof portable lamp is reduced to a great extent.

Referring to fig. 2 and 3, the housing body 100 in this embodiment includes a side plate and a partition plate 110, the side plate is disposed around the partition plate 110, preferably, the partition plate 110 is integrally formed with the side plate, the partition plate 110 separates the first sealed cavity 101 from the second sealed cavity 103, and the connection joint 400 is disposed on the partition plate 110 and makes both ends of the connection channel 401 respectively communicate with the first sealed cavity 101 and the second sealed cavity 103. Specifically, the partition board 110 is provided with the installation through hole 111, the connection joint 400 is hermetically installed in the installation through hole 111, specifically, the installation through hole 111 is in threaded connection with the connection joint 400, and the connection joint 400 can be conveniently installed and disassembled, which is convenient for a user to replace or maintain the connection joint 400, in addition, since the connection channel 401 needs to be hermetically processed after the wire 800 penetrates into the connection channel 401, the wire 800 can be more conveniently installed through the connection joint 400, for example, when installing, the connection joint 400 is firstly disassembled, the wire 800 penetrates into the connection channel 401, and then the sealing process between the wire 800 and the connection joint 400 is needed, when the connection joint 400 is disassembled for sealing process, which is more convenient and has better processing effect, after the sealing process, the connection joint 400 is in threaded connection with the installation through hole 111, the operation is simplified, when the lead wire 800 is sealed after passing through the mounting through hole 111, it is inconvenient to directly mount the lead wire 800 or perform sealing due to the larger volume of the housing body 100 and the structural limitation of the housing body 100 itself.

Preferably, a sealing gasket is disposed between the connection terminal 400 and the installation through-hole 111, and the connection terminal 400 can be better sealingly installed in the installation through-hole 111 by the sealing gasket.

Preferably, the explosion-proof structure further comprises a sealant 410, after the lead 800 penetrates into the connecting channel 401, the sealant 410 is arranged between the inner wall of the connecting channel 401 and the lead 800, the connecting channel 401 provided with the lead 800 is subjected to glue filling treatment through the sealant 410, and an effect that the lead 800 penetrates into the connecting channel 401 in a sealing manner is achieved, so that the first sealed cavity 101 and the second sealed cavity 103 in the embodiment are relatively sealed and isolated, further, electric components arranged in the first sealed cavity 101 and the second sealed cavity 103 cannot generate mutual influence, even if a spark or an electric arc is generated in one of the sealed cavities, the spark or the electric arc cannot be conducted to the other sealed cavity, and further, the explosion-proof effect is greatly improved. In this embodiment, after the sealant 410 is disposed in the connecting passage 401, if the lead 800 needs to be replaced, the connecting joint 400 generally needs to be replaced because the sealant 410 is not easily removed, and if the sealant 410 is directly disposed in the mounting through hole 111, when the lead 800 is replaced, the entire shell 100 needs to be replaced, which is relatively high in cost. In addition, directly pull down attach fitting 400, at interface channel 401 internal potting compound, compare in directly the direct potting compound in installation through-hole 111, simpler easy operation, labour saving and time saving more.

Preferably, still include shutoff piece 420 in this embodiment, at the in-process of encapsulating in connecting passageway 401, because sealed glue 410 is mobile, therefore, in the encapsulating process, can lead to sealed glue 410 to flow out from one end of connecting passageway 401, therefore, before encapsulating, install shutoff piece 420 in the one end of connecting passageway 401, and then can prevent to glue from flowing out from the one end of connecting passageway 401 when encapsulating and handling, thereby it is full of sealed glue 410 to be more easy with whole connecting passageway 401, and then reach better sealed effect, specifically, offer the through wires hole that supplies wire 800 to pass on shutoff piece 420, when wire 800 passes through the through wires hole, and shutoff piece 420 installs in the one end of connecting passageway 401, begin to do encapsulating and handle.

Preferably, the length of the sealant 410 poured into the connecting channel 401 is not less than 10mm, and preferably, the length of the sealant 410 poured into the connecting channel 401 is 20mm, so that a good sealing effect can be achieved without causing the connecting channel 401 to be too long.

Preferably, the ratio of the cross-sectional area of the wire 800 perpendicular to its length to the cross-sectional area of the connecting channel 401 perpendicular to its length is less than 0.8. In the range of the ratio, the sealing performance of the connecting channel 401 after glue filling can be well ensured.

Referring to fig. 2, the housing body 100 has a limiting cavity, the driving module 700 is installed in the limiting cavity, and then the driving module 700 is limited to move, so that the stability of the driving module 700 is ensured, preferably, the embodiment further includes a pressing plate 710, after the driving module 700 is installed in the limiting cavity, the driving module 700 is pressed on the end surface of the driving module 700 through the pressing plate 710, two ends of the pressing plate 710 are fixed on the housing body 100 through bolts, and then the driving module 700 is fixed in the limiting cavity.

Preferably, a rubber pad is disposed between the driving module 700 and the pressing plate 710, so that the pressure of the pressing plate 710 on the driving module 700 can be buffered by the rubber pad, and the driving module 700 is prevented from being crushed by the pressing plate 710.

Preferably, the present embodiment further includes an insulating sleeve, which is sleeved on the driving module 700, so as to prevent the driving module 700 from emitting sparks outwards or being affected by other sparks. Preferably, the insulating sleeve is sealant, and after the driving module 700 is installed in the limiting cavity, the driving module 700 is sealed by the sealant. In other embodiments, it is preferred that the insulating sheath is made of ceramic fibers.

Referring to fig. 2, the present embodiment further includes a connection terminal 900, the connection terminal 900 is fixedly disposed in the first sealed cavity 101, for example, a rivet pressing column is disposed on the pressing plate 710 of the driving module 700, and the connection terminal 900 is fixed on the pressing plate 710 by using a cross-recessed pan head, so that space utilization of the first sealed cavity 101 can be more reasonable. The connection terminal 900 is preferably disposed on the bottom cover 200, but the connection terminal 900 may be fixedly disposed on the housing body 100 or the bottom cover 200.

Referring to fig. 2, in the present embodiment, preferably, the lampshade 300 is in threaded connection with the housing 100, and specifically, the lampshade 300 includes a connecting portion and a light scattering portion, which are connected to each other, the connecting portion is cylindrical, the light scattering portion is hemispherical, and the light scattering portion is hemispherical, so that light can be better scattered, the emitted light is more uniform, and the anti-glare effect is better. The outer wall of the connecting part is provided with an external thread, the shell body 100 is provided with an internal thread matched with the external thread, the lampshade 300 is fixed on the shell body 100 through the connecting part and the shell body 100 in a threaded connection mode, preferably, the thread pitch of the external thread of the connecting part is 2mm, and the connecting part is meshed with the shell body 100 by 8 buckles, so that the explosion-proof effect is better.

Preferably, a second sealing ring 310 is arranged at the joint of the connecting portion and the housing body 100, the second sealing ring 310 is sleeved on the connecting portion, and after the connecting portion is connected with the housing body 100, the second sealing ring 310 is sandwiched between the connecting portion and the housing body 100, so that the second sealing cavity 103 formed by the housing body 100 and the lamp cover 300 has a better sealing effect.

Preferably, in this embodiment, the pressing sheet 320 is further included, the lamp shade 300 is further fixed on the casing body 100 through the pressing sheet 320, so as to enhance the stability of the connection between the casing body 100 and the lamp shade 300, specifically, the outer wall of the lamp shade 300 extends outwards to form the pressing ring 301, preferably, the pressing ring 301 is located at the connection position of the connection portion and the light scattering portion, after the connection portion is connected with the casing body 100, the pressing ring 301 abuts against the casing body 100, the pressing sheet 320 abuts against the pressing ring 301, and the pressing sheet 320 is fixedly connected with the casing body 100. The pressing plate 320 is fixedly connected to the housing body 100 preferably by a second bolt 330. Of course, the pressing ring 301 may be screwed to the housing body 100.

Preferably, the lamp housing 300 is injection molded with PC (polycarbonate), and has high strength, good impact resistance, and high transparency.

Preferably, the thickness of the lamp cover 300 is 3mm to 4mm, and more preferably, the thickness of the lamp cover 300 is 3.5 mm. And thus the strength of the lamp cover 300 can be ensured.

It should be noted that, in the present embodiment, the lamp cover 300 and the housing body 100 may also be fixedly connected by bolts, or welded or clamped.

Referring to fig. 2, the light source module 600 in this embodiment includes a light source substrate 610 and L ED patches 620, and L ED patches 620 are attached to the light source substrate 610, preferably, a plurality of L ED patches 620 are provided, and the light source is L ED patches 620, so that the reliability and brightness of the light source are high.

Referring to fig. 1, in a daily use process, after the explosion-proof portable lamp falls down carelessly, the lampshade 300 may be damaged, so that a light source in the lampshade 300 is exposed, and the explosion may be caused by the contact of the explosion-proof portable lamp with an external flammable and explosive substance, and therefore, the explosion-proof portable lamp in this embodiment further comprises a mesh enclosure 340, and the mesh enclosure 340 is covered outside the lampshade 300, so that the lampshade 300 can be prevented from being damaged well. Specifically, the mesh cover 340 is fixed to the case body 100 by bolts. Preferably, the mesh enclosure 340 and the pressing ring 301 share the same screw hole, so that the screw holes formed in the shell body 100 can be reduced, and the structure is more reasonable.

Referring to fig. 1 and 2, because the existing explosion-proof portable lamp is inconvenient to fix and carry, in this embodiment, a connecting hole 202 is formed in one end of the bottom cover 200, which is far away from the lamp cover 300, the explosion-proof portable lamp in this embodiment further includes a hanging member, the hanging member is fixedly connected with the connecting hole 202, and the explosion-proof portable lamp in this embodiment is fixed conveniently through the hanging member. It should be noted that the hanging element can be a hook, a chain, etc.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims

1. Explosion-proof portable lamp, its characterized in that includes:

a light source assembly disposed within the second sealed cavity; and

2. The explosion-proof portable lamp as claimed in claim 1, wherein the sealing connector comprises a connector, a wire and a sealant, the connector is sealingly mounted in the through hole, the connector has a connecting channel, the wire is inserted into the connecting channel, two ends of the wire respectively extend beyond two ends of the connecting channel, and the sealant is disposed between the wire and an inner wall of the connecting channel.

3. The explosion proof row lamp as set forth in claim 2, wherein the ratio of the cross-sectional area of the wire perpendicular to the length thereof to the cross-sectional area of the connecting channel perpendicular to the length thereof is less than 0.8.

4. The explosion-proof portable lamp according to claim 3, further comprising a blocking member detachably mounted in one end of the connecting passage, the blocking member being provided with a through hole for the lead wire to pass through.

5. The explosion proof lamp as set forth in claim 1, wherein said lamp housing assembly includes a housing body and a bottom cover sealingly attached to said housing body and forming said second sealed chamber therewith.

6. The explosion-proof portable lamp as claimed in claim 5, further comprising a first sealing ring, wherein the connecting surface of the bottom cover for connecting with the housing is recessed inward to form an annular groove, the housing has an annular protrusion corresponding to the annular groove, the sealing ring is disposed in the annular groove, and the annular protrusion is pressed against the sealing ring.

7. The explosion-proof portable lamp as claimed in claim 5, wherein the housing has a limiting cavity on the housing, the driving module is fixedly mounted in the limiting cavity, and further comprising an insulating sleeve, the insulating sleeve is sleeved on the driving module.

8. The explosion-proof portable lamp of claim 5, further comprising a second gasket, wherein the lamp housing is threadably coupled to the housing body, and the second gasket is disposed between the lamp housing and the housing body.

9. The explosion-proof portable lamp of claim 8, further comprising a pressing plate and a mesh enclosure, wherein the outer edge of the lamp housing extends outward to form a pressing ring, when the lamp housing is mounted on the housing, the pressing ring abuts against the housing, the pressing plate abuts against the pressing ring, the pressing plate is fixedly connected with the housing, and the mesh enclosure is disposed outside the lamp housing.

10. The explosion proof row lamp of any of claims 1-9 further comprising a gland head, wherein a power cord is sealingly disposed within the gland head, and wherein the gland head is sealingly attached to the opening.