Explosion-proof lamp with detachable protective cover

Abstract

The explosion-proof lamp with the detachable protective cover comprises an explosion-proof lamp cover, a connecting heat dissipation box and a power source connecting box, the explosion-proof lamp cover comprises the protective cover, a lamp panel fixing shell and an explosion-proof glass fixing shell, and the lamp panel fixing shell is arranged between the protective cover and the explosion-proof glass fixing shell. The side, away from the lamp panel fixing shell, of the protective cover is connected with a connecting block, the side, away from the anti-explosion lampshade, of the connecting block is connected with a connecting heat dissipation box, the connecting heat dissipation box is in threaded connection with the connecting block, and multiple sets of heat dissipation openings are formed in the outer side of the connecting heat dissipation box. The power supply connecting box is connected to the side, away from the explosion-proof lampshade, of the connecting heat dissipation box, a connecting flange is arranged at the joint of the power supply connecting box and the connecting heat dissipation box, an insulating rubber mat is connected to the side, away from the connecting heat dissipation box, of the power supply connecting box, the protective cover can be detached, and all protective parts of the protective cover can be detached. And the maintenance cost of the protective cover is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof lamps, in particular to an explosion-proof lamp with a detachable protective cover. Background Art

[0002] Explosion-proof lamps refer to a special type of lighting equipment used in places with flammable and explosive gases, vapors, liquids, etc. Their design adopts measures to prevent sparks to avoid accidents caused by the use of electrical equipment.

[0003] The patent with application number CN201420158841.0 was retrieved and proposed an explosion-proof lamp with reasonable structure, easy installation of lampshade and better sealing effect.

[0004] Similar to the above-mentioned explosion-proof lamp, it has a reasonable structure, the lampshade is easy to install, and has a better sealing effect, but its lampshade cannot be disassembled separately. When damage occurs inside the lampshade, the entire lampshade needs to be replaced, thereby increasing the cost of use.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and an explosion-proof lamp with a detachable protective cover is proposed, in order to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide an explosion-proof lamp with a detachable protective cover, so as to solve the problem that the lampshade of an explosion-proof lamp mentioned in the above background cannot be separately disassembled, and when damage occurs inside the lampshade, the entire lampshade needs to be replaced, thereby increasing the cost of use.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an explosion-proof lamp with a detachable protective cover, comprising an explosion-proof lamp cover, a connecting heat dissipation box and a power connection box, the explosion-proof lamp cover comprising a protective cover, a lamp board fixing shell and an explosion-proof glass fixing shell, and the lamp board fixing shell is arranged between the protective cover and the explosion-proof glass fixing shell, a connecting block is connected to the side of the protective cover away from the lamp board fixing shell, and a connecting heat dissipation box is connected to the side of the connecting block away from the explosion-proof lamp cover, the connecting heat dissipation box is threadedly connected to the connecting block, a plurality of heat dissipation ports are arranged on the outside of the connecting heat dissipation box, and the power connection box is connected to the side of the connecting heat dissipation box away from the explosion-proof lamp cover, and a connecting flange is arranged at the connection between the power connection box and the connecting heat dissipation box, and an insulating rubber pad is connected to the side of the power connection box away from the connecting heat dissipation box.

[0008] Preferably, a light board plug-in slot is provided at the center position of the protective cover, a positioning plug-in slot is provided on the outside of the protective cover, and multiple groups of No. 1 threaded holes are provided between the light board plug-in slot and the positioning plug-in slot, and an anti-collision rubber pad is provided on the inner side of the light board plug-in slot.

[0009] Preferably, a heat dissipation connecting lamp board is connected between the protective cover and the lamp board fixing shell, a lamp connecting plate is arranged at the center position of the heat dissipation connecting lamp board, a lamp wire connecting hole is arranged at the center position of the lamp connecting plate, and multiple groups of light sources are arranged on the outside of the lamp wire connecting hole.

[0010] Preferably, the heat dissipation connecting lamp board is plugged into the inner side of the anti-collision rubber pad, a plurality of groups of No. 2 threaded holes are arranged on the outer side of the lamp connecting plate, and the protective cover and the heat dissipation connecting lamp board are bolted via the No. 1 threaded holes and the No. 2 threaded holes.

[0011] Preferably, a connecting block is provided on one side of the light board fixing shell close to the protective cover, and the connecting block is plugged into the positioning plug slot, fixing bolts are provided on both sides of the protective cover, and the fixing bolts are connected to the light board fixing shell.

[0012] Preferably, a lens connecting groove is provided at the center position of the light board fixing shell, and a fixing slot is provided on the outer side of the lens connecting groove, and a plurality of groups of No. 3 threaded holes are provided on the outer side of the lens connecting groove.

[0013] Preferably, an explosion-proof glass is connected between the light board fixing shell and the explosion-proof glass fixing shell, and the explosion-proof glass is plugged into the lens connecting groove, and a plug-in fixing block is provided on one side of the explosion-proof glass fixing shell close to the light board fixing shell, and the plug-in fixing block is plugged into the fixing slot.

[0014] Preferably, a central hollow groove is provided at the center position of the explosion-proof glass fixing shell, and a sealing gasket is provided on the inner side of the central hollow groove, a plurality of groups of No. 4 threaded holes are provided on the explosion-proof glass fixing shell, and the light board fixing shell and the explosion-proof glass fixing shell are fixedly connected through the No. 3 threaded holes and the No. 4 threaded holes.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the protective cover can be disassembled, and each protective component of the protective cover can be disassembled to reduce the maintenance cost of the protective cover. The specific contents are as follows:

[0016] The heat dissipation connection lamp board is connected in the protective cover, and the heat dissipation connection lamp board is plugged into the inner side of the anti-collision rubber pad in the lamp board plug-in slot, and the anti-collision rubber pad can protect the lamp connection plate to prevent the lamp connection plate from being bumped, and the heat dissipation connection lamp board is connected in the protective cover, and the protective cover and the heat dissipation connection lamp board are bolted through the No. 1 threaded hole and the No. 2 threaded hole, the lamp board fixing shell is plugged into the positioning plug-in slot of the protective cover through the connecting plug block, and the heat dissipation connection lamp board is pressed and fixed by the lamp board fixing shell, and the lamp board fixing shell and the protective cover can be fixedly connected by the fixing bolts on both sides of the protective cover, and the explosion-proof glass is plugged into the mirror in the lamp board fixing shell. The explosion-proof glass fixing shell is inserted into the fixing slot of the light board fixing shell through the plug-in fixing block, and the explosion-proof glass is protected and fixed by the explosion-proof glass fixing shell, and the explosion-proof glass is pressed and fixed by the explosion-proof glass fixing shell, and the sealing gasket is used to prevent flammable and explosive gases, vapors, liquids and other media from entering the light board fixing shell, and can protect the corners of the explosion-proof glass, and when the explosion-proof glass fixing shell is connected to the light board fixing shell, and fixed by bolts through the No. 3 threaded hole and the No. 4 threaded hole, each part can be disassembled, which is convenient for replacing the damaged part to reduce the maintenance cost of the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of the main body of an explosion-proof lamp with a detachable protective cover according to the utility model;

[0018] Figure 2 This is a structural schematic diagram of a connection structure of an explosion-proof lampshade of an explosion-proof lamp with a detachable protective cover according to the utility model;

[0019] Figure 3 This is a schematic structural diagram of a protective cover of an explosion-proof lamp with a detachable protective cover according to the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of a lamp panel fixing shell of an explosion-proof lamp with a detachable protective cover according to the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of an explosion-proof glass fixed shell of an explosion-proof lamp with a detachable protective cover according to the utility model;

[0022] Figure 6 The utility model is a schematic diagram of the structure of a heat dissipation connection lamp board of an explosion-proof lamp with a detachable protective cover.

[0023] In the figure: 1. explosion-proof lampshade; 11. protective cover; 111. lamp board plug-in slot; 112. positioning plug-in slot; 113. No. 1 threaded hole; 114. anti-collision rubber pad; 115. fixing bolt; 12. lamp board fixing shell; 121. connecting plug block; 122. lens connecting slot; 123. No. 3 threaded hole; 124. fixing slot; 13. explosion-proof glass fixing shell; 131. plug-in fixing block; 132. center empty slot; 133. sealing gasket; 134. No. 4 threaded hole; 14. heat dissipation connecting lamp board; 141. lamp connecting plate; 1411. light source; 1412. lamp line connecting hole; 142. No. 2 threaded hole; 15. explosion-proof glass; 16. connecting block; 2. connecting heat sink; 21. heat dissipation port; 22. connecting flange; 3. power connection box; 4. insulating rubber pad. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 6 The utility model provides a technical solution: an explosion-proof lamp with a detachable protective cover, comprising an explosion-proof lampshade 1, a connecting heat sink 2 and a power connection box 3, the explosion-proof lampshade 1 comprising a protective cover 11, a lamp board fixing shell 12 and an explosion-proof glass fixing shell 13, and the lamp board fixing shell 12 is arranged between the protective cover 11 and the explosion-proof glass fixing shell 13, a connecting block 16 is connected to the side of the protective cover 11 away from the lamp board fixing shell 12, and a connecting heat sink 2 is connected to the side of the connecting block 16 away from the explosion-proof lampshade 1, the connecting heat sink 2 is threadedly connected to the connecting block 16, a plurality of heat dissipation ports 21 are arranged on the outer side of the connecting heat sink 2, and the power connection box 3 is connected to the side of the connecting heat sink 2 away from the explosion-proof lampshade 1, and a connecting flange 22 is arranged at the connection between the power connection box 3 and the connecting heat sink 2, and an insulating rubber pad 4 is connected to the side of the power connection box 3 away from the connecting heat sink 2.

[0026] The explosion-proof lampshade 1 is used to protect various electrical components inside, the protective cover 11 is the main protective part, the lamp board fixing shell 12 is used to fix and protect the heat dissipation connection lamp board 14, the explosion-proof glass fixing shell 13 is used to connect and fix the explosion-proof glass 15, the connecting heat dissipation box 2 is used to connect the power supply and dissipate heat for various electrical components, the explosion-proof lampshade 1 is threadedly connected to the connecting heat dissipation box 2 through the connecting block 16, the connecting heat dissipation box 2 dissipates heat through the heat dissipation port 21, and the connecting heat dissipation box 2 is connected to the power connection box 3 through the connecting flange 22. When the power connection box 3 is connected to the power supply, the insulating rubber pad 4 can prevent spark leakage at the connection between the power cord and the power connection box 3 or flammable and explosive gases, vapors, liquids, etc. from entering the power connection box 3.

[0027] A lamp board plug-in slot 111 is provided at the center of the protective cover 11, a positioning plug-in slot 112 is provided at the outside of the protective cover 11, and a plurality of groups of No. 1 threaded holes 113 are provided between the lamp board plug-in slot 111 and the positioning plug-in slot 112, and an anti-collision rubber pad 114 is provided on the inner side of the lamp board plug-in slot 111, a heat dissipation connecting lamp board 14 is connected between the protective cover 11 and the lamp board fixing shell 12, a lamp connecting plate 141 is provided at the center of the heat dissipation connecting lamp board 14, and a lamp wire connecting hole 1412 is provided at the center of the lamp connecting plate 141, and a plurality of groups of light sources 1411 are provided on the outer side of the lamp wire connecting hole 1412, the heat dissipation connecting lamp board 14 is plugged into the inner side of the anti-collision rubber pad 114, a plurality of groups of No. 2 threaded holes 142 are provided on the outer side of the lamp connecting plate 141, and the protective cover 11 is provided with a plurality of light sources 1411. The cover 11 and the heat dissipation connecting lamp board 14 are bolted together through the No. 1 threaded hole 113 and the No. 2 threaded hole 142, and the heat dissipation connecting lamp board 14 is connected in the protective cover 11, and the heat dissipation connecting lamp board 14 is plugged into the inner side of the anti-collision rubber pad 114 in the lamp board plug-in slot 111, and the anti-collision rubber pad 114 can protect the lamp connecting plate 141 to prevent the lamp connecting plate 141 from being bumped, and the heat dissipation connecting lamp board 14 is connected in the protective cover 11, and the protective cover 11 and the heat dissipation connecting lamp board 14 are bolted together through the No. 1 threaded hole 113 and the No. 2 threaded hole 142, and the heat dissipation connecting lamp board 14 emits light through the multiple groups of light sources 1411 on the lamp connecting plate 141, and the heat dissipation connecting lamp board 14 can be connected to the power cord in the power connection box 3 through the lamp cord connection hole 1412.

[0028] A connecting plug block 121 is provided on one side of the light board fixing shell 12 close to the protective cover 11, and the connecting plug block 121 is plugged into the positioning plug slot 112, fixing bolts 115 are provided on both sides of the protective cover 11, and the fixing bolts 115 are connected to the light board fixing shell 12, a lens connecting groove 122 is provided at the center of the light board fixing shell 12, and a fixing slot 124 is provided on the outside of the lens connecting groove 122, and a plurality of groups of No. 3 threaded holes 123 are provided on the outside of the lens connecting groove 122, an explosion-proof glass 15 is connected between the light board fixing shell 12 and the explosion-proof glass fixing shell 13, and the explosion-proof glass 15 is plugged into the lens connecting groove 122, and the explosion-proof glass fixing shell 13 is close to the light board fixing shell 12 A plug-in fixing block 131 is provided on one side, and the plug-in fixing block 131 is plugged into the fixing slot 124, the light board fixing shell 12 is plugged into the positioning plug-in slot 112 of the protective cover 11 through the connecting plug-in block 121, and the heat dissipation connection light board 14 is pressed and fixed by the light board fixing shell 12, and the light board fixing shell 12 can be fixedly connected to the protective cover 11 by the fixing bolts 115 on both sides of the protective cover 11, and the explosion-proof glass 15 is plugged into the lens connecting slot 122 in the light board fixing shell 12, and the explosion-proof glass fixing shell 13 is plugged into the fixing slot 124 of the light board fixing shell 12 through the plug-in fixing block 131, and the explosion-proof glass 15 is protected and fixed by the explosion-proof glass fixing shell 13.

[0029] A central hollow groove 133 is provided at the center position of the explosion-proof glass fixing shell 13, and a sealing gasket 133 is provided on the inner side of the central hollow groove 133. A plurality of groups of No. 4 threaded holes 134 are provided on the explosion-proof glass fixing shell 13. The light board fixing shell 12 and the explosion-proof glass fixing shell 13 are fixedly connected through the No. 3 threaded holes 123 and the No. 4 threaded holes 134. The light is emitted from the central hollow groove 133. The explosion-proof glass 15 is pressed and fixed by the explosion-proof glass fixing shell 13. The sealing gasket 133 is used to prevent flammable and explosive gases, vapors, liquids and other media from entering the light board fixing shell 12, and can protect the corners of the explosion-proof glass 15. When the explosion-proof glass fixing shell 13 is connected to the light board fixing shell 12, they are fixedly connected by bolts through the No. 3 threaded holes 123 and the No. 4 threaded holes 134.

[0030] Working principle: When using an explosion-proof lamp with a detachable protective cover, the explosion-proof lamp cover 1 is threadedly connected to the connecting heat dissipation box 2 through the connecting block 16, and the connecting heat dissipation box 2 is connected to the power connection box 3 through the connecting flange 22. The explosion-proof lamp cover 1 is used to protect the various electrical components inside, and the connecting heat dissipation box 2 is used to connect the power supply and dissipate the heat of each electrical component, and the power connection box 3 can be connected to the power supply, and the insulating rubber pad 4 can prevent spark leakage or flammable and explosive gases, vapors, liquids, etc. from entering at the connection between the power cord and the power connection box 3, and the heat dissipation connecting lamp board 14 emits light through the multiple groups of light sources 1411 on the lamp connecting board 141, and the light passes through the explosion-proof glass 15 and emits light from the central empty groove 133, and the heat dissipation connecting lamp board 14 can be connected to the power cord in the power connection box 3 through the lamp cord connection hole 1412.

[0031] The heat dissipation connection lamp board 14 is connected to the protective cover 11, and the heat dissipation connection lamp board 14 is plugged into the inner side of the anti-collision rubber pad 114 in the lamp board plug-in slot 111, and the anti-collision rubber pad 114 can protect the lamp connection plate 141 to prevent the lamp connection plate 141 from being bumped, and the heat dissipation connection lamp board 14 is connected to the protective cover 11, and the protective cover 11 and the heat dissipation connection lamp board 14 are bolted together through the No. 1 threaded hole 113 and the No. 2 threaded hole 142, the lamp board fixing shell 12 is plugged into the positioning plug-in slot 112 of the protective cover 11 through the connecting plug block 121, and the heat dissipation connection lamp board 14 is fixed by the lamp board fixing shell 12, and the lamp board fixing shell 12 and the protective cover 11 can be fixed by the fixing bolts 115 on both sides of the protective cover 11. The shield 11 is fixedly connected, and the explosion-proof glass 15 is inserted into the lens connecting groove 122 in the lamp board fixing shell 12, and the explosion-proof glass fixing shell 13 is inserted into the fixing slot 124 of the lamp board fixing shell 12 through the plug-in fixing block 131, and the explosion-proof glass 15 is protected and fixed by the explosion-proof glass fixing shell 13, and the explosion-proof glass 15 is pressed and fixed by the explosion-proof glass fixing shell 13, and the sealing gasket 133 is used to prevent flammable and explosive gases, vapors, liquids and other media from entering the lamp board fixing shell 12, and can protect the corners of the explosion-proof glass 15, and when the explosion-proof glass fixing shell 13 is connected to the lamp board fixing shell 12, it is fixedly connected by bolts through the No. 3 threaded hole 123 and the No. 4 threaded hole 134.

Claims

1. An explosion-proof lamp with a detachable protective cover, comprising an explosion-proof lamp cover (1), a heat dissipation box (2) and a power connection box (3), characterized in that: The explosion-proof lampshade (1) comprises a protective cover (11), a lamp board fixing shell (12) and an explosion-proof glass fixing shell (13), wherein the lamp board fixing shell (12) is arranged between the protective cover (11) and the explosion-proof glass fixing shell (13), a connecting block (16) is connected to a side of the protective cover (11) away from the lamp board fixing shell (12), and a connecting heat sink (2) is connected to a connecting heat sink (2) on a side of the connecting block (16) away from the explosion-proof lampshade (1), the connecting heat sink (2) is threadedly connected to the connecting block (16), a plurality of heat dissipation ports (21) are arranged on the outer side of the connecting heat sink (2), and the power connection box (3) is connected to a side of the connecting heat sink (2) away from the explosion-proof lampshade (1), and a connecting flange (22) is arranged at the connection between the power connection box (3) and the connecting heat sink (2), and an insulating rubber pad (4) is connected to a side of the power connection box (3) away from the connecting heat sink (2).

2. The explosion-proof lamp with a detachable protective cover according to claim 1, characterized in that: A light board plug-in slot (111) is provided at the center of the protective cover (11), a positioning plug-in slot (112) is provided on the outside of the protective cover (11), a plurality of groups of No. 1 threaded holes (113) are provided between the light board plug-in slot (111) and the positioning plug-in slot (112), and an anti-collision rubber pad (114) is provided on the inside of the light board plug-in slot (111).

3. The explosion-proof lamp with a detachable protective cover according to claim 2, characterized in that: A heat dissipation connection lamp board (14) is connected between the protective cover (11) and the lamp board fixing shell (12); a lamp connection plate (141) is arranged at the center of the heat dissipation connection lamp board (14); a lamp wire connection hole (1412) is arranged at the center of the lamp wire connection plate (141); and a plurality of groups of light sources (1411) are arranged outside the lamp wire connection hole (1412).

4. The explosion-proof lamp with a detachable protective cover according to claim 3, characterized in that: The heat dissipation connection lamp plate (14) is plugged into the inner side of the anti-collision rubber pad (114), a plurality of groups of No. 2 threaded holes (142) are arranged on the outer side of the lamp connection plate (141), and the protective cover (11) and the heat dissipation connection lamp plate (14) are bolted via the No. 1 threaded hole (113) and the No. 2 threaded hole (142).

5. The explosion-proof lamp with a detachable protective cover according to claim 1, characterized in that: A connecting plug (121) is provided on one side of the light board fixing shell (12) close to the protective cover (11), and the connecting plug (121) is plugged into the positioning plug slot (112). Fixing bolts (115) are provided on both sides of the protective cover (11), and the fixing bolts (115) are connected to the light board fixing shell (12).

6. The explosion-proof lamp with a detachable protective cover according to claim 1, characterized in that: A lens connection groove (122) is provided at the center of the light panel fixing shell (12), a fixing slot (124) is provided on the outside of the lens connection groove (122), and a plurality of groups of No. 3 threaded holes (123) are provided on the outside of the lens connection groove (122).

7. The explosion-proof lamp with a detachable protective cover according to claim 6, characterized in that: An explosion-proof glass (15) is connected between the light board fixing shell (12) and the explosion-proof glass fixing shell (13), and the explosion-proof glass (15) is plugged into the lens connecting groove (122). A plug-in fixing block (131) is provided on one side of the explosion-proof glass fixing shell (13) close to the light board fixing shell (12), and the plug-in fixing block (131) is plugged into the fixing slot (124).

8. The explosion-proof lamp with a detachable protective cover according to claim 7, characterized in that: A central hollow groove (132) is provided at the central position of the explosion-proof glass fixing shell (13), and a sealing gasket (133) is provided on the inner side of the central hollow groove (132); a plurality of groups of No. 4 threaded holes (134) are provided on the explosion-proof glass fixing shell (13); the light board fixing shell (12) and the explosion-proof glass fixing shell (13) are fixedly connected via the No. 3 threaded holes (123) and the No. 4 threaded holes (134).

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