CN209991298U

CN209991298U - Square explosion-proof lamp

Info

Publication number: CN209991298U
Application number: CN201921069744.3U
Authority: CN
Inventors: 郭向龙; 王永祯; 王云龙; 高凯
Original assignee: SHANXI YONGCHANG TECHNOLOGY Co Ltd
Current assignee: Shanxi Yongchang Technology Group Co., Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-01-24
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a square explosion-proof lamp, which comprises a heat dissipation main body with an inner cavity provided with a bulb, wherein horn mouths are detachably connected to two sides of the heat dissipation main body; an opening cover at the upper end of the heat dissipation main body is provided with an optical lens, an upper end cover of the optical lens is provided with a glass panel, the upper end covers of the optical lens and the glass panel are provided with front end covers, and the glass panel is positioned in an inner groove in the inner side wall of the front end cover through a second cross head screw arranged on the side edge; the structural design of the explosion-proof lamp can prevent electric arcs, sparks and high temperature which are possibly generated in the lamp from igniting combustible gas and dust in the surrounding environment, thereby achieving the explosion-proof requirement.

Description

Square explosion-proof lamp

Technical Field

The utility model relates to a lamps and lanterns field specifically is a square explosion-proof lamp.

Background

① determining the installation position and mode of the lamp according to the actual requirement of the working site, preparing a phi 8-phi 14mm three-core cable according to the distance between the lamp and a power supply contact, ② opening a set screw on the side surface of an upper cover of the lamp, loosening a compression nut at a cable inlet of the lamp, opening the upper cover, respectively leading the power cable into an internal wiring terminal through the compression nut, connecting and fixing the cable compression nut and the upper cover of the lamp according to the method shown in the drawing, and screwing the compression nut of the cable and the upper cover of the lamp, wherein the ③ LED roadway lamp is of an enclosure-free type, and is generally directly replaced or returned to a manufacturer for maintenance if the lamp is not bright.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a square explosion-proof lamp to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a square explosion-proof lamp comprises a heat dissipation main body, wherein a bulb is arranged in an inner cavity of the heat dissipation main body, and horn mouths are detachably connected to two sides of the heat dissipation main body;

an opening cover at the upper end of the heat dissipation main body is provided with an optical lens, an upper end cover of the optical lens is provided with a glass panel, the upper end covers of the optical lens and the glass panel are provided with front end covers, and the glass panel is positioned in an inner groove in the inner side wall of the front end cover through a second cross head screw arranged on the side edge;

the detachable cover at the lower end of the heat dissipation main body is provided with a rear end cover.

Preferably, the two sides of the heat dissipation main body are in threaded connection with the horn mouth through a first cross pan head screw, and a first flat gasket, a first standard type spring gasket and a pressing strip are simultaneously penetrated in the cross pan head screw so as to pre-tighten and limit the horn mouth.

Preferably, the side of the horn mouth is connected with a retainer ring, and the other side of the retainer ring is connected with the heat dissipation main body through a rubber cushion block.

Preferably, the front end cover and the heat dissipation main body are connected in a positioning mode through an inner hexagonal screw, and a third flat gasket and a third standard type spring gasket penetrate through the inner hexagonal screw at the same time so as to pre-tighten and limit the front end cover.

Preferably, a glass pressure plate is sandwiched between the optical lens and the glass panel.

Preferably, a glass sealing ring and a front cover sealing ring are clamped between the glass pressing plate and the glass panel.

Preferably, the lower end of the heat dissipation main body is in threaded connection with the rear end cover through an inner hexagonal screw, and a second flat gasket and a second standard spring gasket are simultaneously penetrated through the inner hexagonal screw to pre-tighten and limit the inner hexagonal screw.

Preferably, a nameplate plate is connected to the position right below the rear end cover, a cover sealing ring is connected to the periphery of the rear end cover, and a side wing of the rear end cover is connected with a ground mark and a mounting bracket.

Compared with the prior art, the beneficial effects of the utility model are that: the square explosion-proof lamp is simple in structure, and the structural design of the explosion-proof lamp can prevent electric arcs, sparks and high temperature possibly generated inside the lamp from igniting combustible gas and dust in the surrounding environment, so that the explosion-proof requirement is met, and the reliability and safety performance of equipment are improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a full sectional view of FIG. 1;

fig. 3 is the list table of the structure fittings of the utility model.

In the figure: the heat dissipation device comprises a heat dissipation main body 1, a first cross pan head screw 2, a first flat gasket 3, a first standard type spring gasket 4, a horn mouth 5, a pressing strip 6, a rear end cover 7, an inner hexagonal screw 8, a second flat gasket 9, a second standard type spring gasket 10, an inner hexagonal screw 11, a third flat gasket 12, a third standard type spring gasket 13, a front end cover 14, a glass sealing ring 15, a front cover sealing ring 16, a glass pressing plate 17, a check ring 18, a rubber cushion block 19, a nameplate plate 20, a rear cover sealing ring 21, a grounding mark 22, a mounting support 23, a second cross pan head screw 24, an optical lens 25 and a glass panel 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the company designs a square explosion-proof lamp, which comprises a heat dissipation main body 1, wherein an inner cavity is provided with a bulb, openings are respectively formed in the upper part and the lower part of the heat dissipation main body 1 and used for conveniently installing the bulb, and horn mouths 5 are detachably connected to the two sides of the heat dissipation main body 1; an optical lens 25 is arranged on an upper end opening cover of the heat dissipation main body 1, a glass panel 26 is arranged on an upper end cover of the optical lens 25, a front end cover 14 is arranged on the upper end covers of the optical lens 25 and the glass panel 26, and the glass panel 26 is positioned in an inner groove in the inner side wall of the front end cover 14 through a second cross head screw 24 arranged on the side edge; the detachable cover at the lower end of the heat dissipation main body 1 is provided with a rear end cover 7, the lower end of the heat dissipation main body 1 is in threaded connection with the rear end cover 7 through an inner hexagonal screw 8, a second flat gasket 9 and a second standard type spring gasket 10 penetrate through the inner hexagonal screw 8 to pre-tighten and limit the heat dissipation main body, a nameplate plate 20 is connected under the rear end cover 7, the periphery of the rear end cover 7 is connected with a cover sealing ring 21, and a side wing of the rear end cover 7 is connected with a ground connection mark 22 and a mounting support 23. The back cover 7 is used for back cover, and the structural design of the explosion-proof lamp can prevent electric arcs, sparks and high temperature which are possibly generated in the lamp from igniting combustible gas and dust in the surrounding environment, so that the explosion-proof requirement is met.

The both sides of heat dissipation main part 1 have horn mouth 5 through 2 threaded connection of a cross pan head screw, thereby wear first flat packing ring 3, first standard type spring washer 4, layering 6 simultaneously in the cross pan head screw and to the spacing of 5 pretensions of horn mouth, the side of horn mouth 5 is connected with retaining ring 18, and retaining ring 18 opposite side passes through rubber cushion 19 and connects heat dissipation main part 1, chooses for use this kind of mode be convenient for install and dismantle.

The front end cover 14 is connected with the heat dissipation main body 1 in a positioning manner through a hexagon socket head cap screw 11, and a third flat washer 12 and a third standard type spring washer 13 are simultaneously penetrated through the hexagon socket head cap screw 11 so as to pre-tighten and limit the front end cover 14. The glass pressure plate 17 is sandwiched between the optical lens 25 and the glass panel 26, and the glass seal 15 and the front cover seal 16 are sandwiched between the glass pressure plate 17 and the glass panel 26. On one hand, the sealing performance is improved, on the other hand, the temperature is increased, and the deformation performance of the sealing ring resists the temperature change.

The technical requirements are as follows:

1. the drawing of the product is drawn according to GB3836.

2. The device is explosion-proof, and the working voltage is 127V.

3. The electrical clearance and creepage distance should meet the requirements of GB3836-2010,

the electric clearance is more than or equal to 3.2mm, and the creepage distance is more than or equal to 5 mm.

4. The friction spark test of the shell material meets the requirement of GB/T3813-2008 standard.

5. And (3) coating 204-1 anti-rust oil on the explosion-proof surface, wherein the explosion-proof surface is not allowed to be damaged.

6. All fasteners should be loosened.

7. The product execution standard is as follows: MT221-2005, GB3836.1-2010, Q/YC-01-2014.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a square explosion-proof lamp which characterized in that: the lamp comprises a heat dissipation main body (1) with an inner cavity provided with a bulb, wherein horn mouths (5) are detachably connected to two sides of the heat dissipation main body (1);

an opening cover at the upper end of the heat dissipation main body (1) is provided with an optical lens (25), a glass panel (26) is arranged at the upper end cover of the optical lens (25), a front end cover (14) is arranged at the upper end covers of the optical lens (25) and the glass panel (26), and the glass panel (26) is positioned in an inner groove in the inner side wall of the front end cover (14) through a second cross pan head screw (24) arranged at the side edge;

the detachable cover at the lower end of the heat dissipation main body (1) is provided with a rear end cover (7).

2. A square explosion-proof lamp according to claim 1, characterized in that: the two sides of the heat dissipation main body (1) are in threaded connection with the horn mouth (5) through a cross pan head screw (2), and a first flat gasket (3), a first standard type spring gasket (4) and a pressing strip (6) are simultaneously penetrated through the cross pan head screw to pre-tighten and limit the horn mouth (5).

3. A square explosion-proof lamp according to claim 2, characterized in that: the side edge of the horn mouth (5) is connected with a retainer ring (18), and the other side of the retainer ring (18) is connected with the heat dissipation main body (1) through a rubber cushion block (19).

4. A square explosion-proof lamp according to claim 1, characterized in that: the front end cover (14) is connected with the heat dissipation main body (1) in a positioning mode through the inner hexagonal screw (11), and the inner hexagonal screw (11) is simultaneously penetrated with the third flat gasket (12) and the third standard type spring gasket (13) so as to pre-tighten and limit the front end cover (14).

5. A square explosion-proof lamp according to claim 1, characterized in that: a glass pressure plate (17) is clamped between the optical lens (25) and the glass panel (26).

6. The square explosion-proof lamp according to claim 5, wherein: a glass sealing ring (15) and a front cover sealing ring (16) are clamped between the glass pressing plate (17) and the glass panel (26).

7. The square explosion-proof lamp according to claim 6, wherein: the lower end of the heat dissipation main body (1) is in threaded connection with the rear end cover (7) through an inner hexagonal screw (8), and a second flat gasket (9) and a second standard spring gasket (10) penetrate through the inner hexagonal screw (8) to pre-tighten and limit the heat dissipation main body.

8. A square type explosion-proof lamp according to any one of claims 1 to 7, wherein: a nameplate plate (20) is connected to the position right below the rear end cover (7), a cover sealing ring (21) is connected to the periphery of the rear end cover (7), and a side wing of the rear end cover (7) is connected with a ground connection mark (22) and an installation support (23).