CN104421857A - Explosion-proof lamp - Google Patents

Abstract

An explosion-proof lamp, includes the lamp body, including the main part, the lamp body still includes the wiring chamber structure integrative with this main part, and wiring chamber structure includes: the base part is in a rectangular table shape with an opening at the side end and comprises a rectangular bottom integrated with the outer side of the annular side wall of the main body and four side walls protruding outwards from the periphery of the bottom, wherein two side walls are parallel to the bottom wall of the main body, the other two side walls are vertical to the bottom wall of the main body, the bottom and the four side walls enclose a wiring cavity, and a lead opening communicated with the explosion-proof cavity is formed in the bottom; two lead posts; the explosion-proof lamps and lanterns still include: an explosion-proof joint; a ground terminal; and a cover. The wiring cavity of the explosion-proof lamp is positioned on the side column wall of the lamp shell, so that the position space of the mounting back of the lamp is increased, the lamp can be mounted conveniently in various modes, the safety is further improved by separating the wiring cavity from the explosion-proof cavity of the lamp body, and finally the wiring cavity and the lamp shell are connected into a whole to share one part, so that the material is saved.

Description

An explosion-proof lamp

technical field

The invention relates to the lighting field, in particular to an explosion-proof lamp.

Background technique

In the field of professional lighting, explosion-proof lights are more and more widely used. In the prior art, the wiring cavity of explosion-proof lamps is generally installed on the axial top of the lamp body, but this will result in a small installation area of the lamp, for example: when the lamp is installed on the roof, the installation area of the fixed lamp is very small , which limits the installation methods of lamps. At the same time, the wiring cavity of general explosion-proof lamps is an increased safety type, and the lamp body is generally a flameproof type. The wiring cavity is placed on the axial top of the lamp body, and the wiring cavity is close to the explosion-proof cavity of the lamp body, which is less safe.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the above-mentioned deficiencies in the prior art, and propose an explosion-proof lamp, which is easy to install, high in safety, and saves shell materials.

In order to solve the above technical problems, the present invention proposes an explosion-proof lamp, which includes a lamp housing, the lamp housing includes a main body, the main body is in the shape of a circular platform with an open upper end, and the main body includes a circular bottom wall and a bottom wall formed by the bottom wall. The ring-shaped side wall protruding upward from the periphery, the bottom wall and the ring-shaped side wall enclose the explosion-proof cavity of the lamp body, and the lamp housing also includes a wiring cavity structure integrated with the main body. The wiring cavity structure includes: a base, which is in the shape of a rectangular platform with side ends open, which includes a rectangular bottom integrated with the outer side of the annular side wall of the main body and protruding outward from the periphery of the bottom. There are four extended side walls, two of which are parallel to the bottom wall of the main body, and the other two are perpendicular to the bottom wall of the main body. The bottom and the four side walls enclose a wiring cavity, so The bottom is provided with a lead hole communicating with the explosion-proof cavity; two lead posts are oppositely arranged on the two side walls perpendicular to the bottom wall of the main body, each lead post is hollow, and It communicates with the wiring cavity; the explosion-proof lamp also includes: an explosion-proof connector, which is installed in the lead opening; a ground terminal, which is installed in the wiring cavity; and a cover, which is installed in the wiring cavity. The side of the base is used to seal the side opening of the base.

Preferably, the explosion-proof lamp further includes two rubber plugs, and through holes are opened in the two rubber plugs, and the rubber plugs are inserted into the lead posts, and the rubber plugs are used to fix the wires in the wiring tube and seal the Lead post.

Preferably, the explosion-proof lamp further includes two steel plugs, the shape and size of the steel plugs match the lead posts and there are through holes matching the rubber plugs, and the steel plugs There is a matching screw thread in the lead post, and the steel plug is screwed into the lead post to tighten the rubber plug to seal the lead post.

Preferably, the explosion-proof lamp further includes a sealing ring, and the sealing ring is located between the wiring cavity cover and the opening of the wiring cavity.

Preferably, the wiring chamber cover is fixed on the opening of the wiring chamber by screws, and the sealing ring is pressed and fixed so that the opening of the wiring chamber is sealed.

Preferably, the protection level of the wiring cavity structure meets IP66.

Preferably, the explosion-proof lamp further includes a connection terminal installed in the connection cavity.

Preferably, the connection terminal is fixed in the connection cavity through the fixed connection terminal plate and the fixed connection terminal bottom plate.

Compared with the prior art, the present invention has the following beneficial effects: the wiring cavity structure of the explosion-proof lamp of the present invention is located on the ring-shaped side wall of the body, first of all, the space on the back of the lamp installation is increased, so that it is convenient for the lamp to be installed in various Secondly, by separating the wiring cavity from the explosion-proof cavity of the lamp body, the safety is further improved. Finally, because the wiring cavity and the lamp housing are integrated and share a part, materials are saved.

Description of drawings

Fig. 1 is an assembly diagram of an embodiment of the explosion-proof lamp of the present invention.

Fig. 2 is a schematic structural view of an embodiment of the explosion-proof lamp of the present invention.

Fig. 3 is a partial sectional view of an embodiment of the explosion-proof lamp of the present invention.

Wherein, the reference signs are described as follows: main body 1, wiring cavity structure 2, base 21, lead post 22, cover 3, rubber plug 4, steel plug 5, sealing ring 6, terminal 7, fixed terminal board 71 , Fixed connection terminal bottom plate 72, explosion-proof connector 8 and grounding terminal 9.

Detailed ways

In order to further illustrate the principle and structure of the present invention, preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to Figures 1 to 3, the present invention provides an explosion-proof lamp. The explosion-proof lamp includes a lamp housing, and the lamp housing includes a main body 1, a wiring cavity structure 2, a cover 3, a rubber plug 4, a steel plug 5, a sealing Ring 6, terminal 7, flameproof joint 8 and grounding piece 9.

Main body 1, the main body is in the shape of a circular platform with an open upper end, the main body includes a circular bottom wall and an annular side wall protruding upward from the periphery of the bottom wall, the bottom wall and the annular side wall An explosion-proof chamber enclosing the lamp body. In this embodiment, the specific shape of the main body 1 can be varied, such as cylindrical or square.

The wiring cavity structure 2 , the wiring cavity structure includes: a base 21 and two lead posts 22 . The base 21 is in the shape of a rectangular platform with side ends open, and it includes a rectangular bottom integrated with the outer side of the annular side wall of the main body 1 and four sides protruding outward from the periphery of the bottom. wall, wherein two side walls are parallel to the bottom wall of the main body 1, and the other two side walls are perpendicular to the bottom wall of the main body, the bottom and four side walls enclose a wiring cavity, and the bottom is provided with There are lead openings communicating with the explosion-proof cavity; two lead posts 22 are oppositely arranged on the two side walls perpendicular to the bottom wall of the main body 1, each lead post 22 is hollow, and is connected with The wiring cavity is connected. The purpose of arranging the lead post 22 on the side wall perpendicular to the main body 1 is to facilitate installation and avoid collision of the lead post 22 . In this embodiment, the wiring cavity structure 2 and the main body 1 are integrally formed. One-piece molding is convenient to manufacture and has a better sealing effect than welding and other methods.

The cover 3 is installed on the side of the base 21 to seal the side opening of the base 21 . The function of the cover 3 is to close the opening and protect the wires inside the wiring cavity structure 2 . In this embodiment, the explosion-proof lamp further includes a sealing ring 6 , and the sealing ring 6 is located between the cover 3 and the opening of the wiring cavity structure 2 . The effect of sealing ring 6 is to better increase the sealing effect. In this embodiment, the cover 3 is fixed on the opening of the wiring chamber structure 2 by screws, and the sealing ring 6 is pressed and fixed so that the opening of the wiring chamber structure 2 is sealed. The purpose of choosing screws as the fixing method is to enhance the sealing effect. In other embodiments, the cover 3 may be fixed by other methods.

The rubber stopper 4 has a through hole in the two rubber stoppers 4, and the rubber stopper 4 is inserted into the lead post 22, and the rubber stopper 4 is used to fix the wire in the lead post 22. The function of the rubber plug 4 is to use its own elasticity to fix the wire in the lead post 22 and play a protective role, and then fill the entire lead post 22 with elasticity to play a role of sealing.

Steel plug 5, the shape and size of the steel plug 5 match the lead post 22 and have a through hole matching the rubber plug 4, and the steel plug 5 and the lead post 22 have matching threads , The steel plug 5 is screwed into the lead post 22 to tighten the rubber plug 4 to seal the lead post 22. The effect of the steel plug 5 is to extrude the rubber plug 4 to strengthen the sealing effect. As shown in Figure 3, in this embodiment, the explosion-proof lamp also includes: an explosion-proof connector 8, which is passed through the lead wire opening; a ground terminal 9, which is installed in the wiring cavity; a connection terminal 7. The connection terminal 7 is fixed in the connection chamber 2 through the fixed connection terminal plate 71 and the fixed connection terminal bottom plate 72, and is used to fix the wires in the connection chamber 2.

In this embodiment, the protection level of the wiring cavity structure 2 satisfies IP66. In other embodiments, different standards can be adopted according to different needs.

The working principle of the present invention will be described in detail below by taking this embodiment as an example.

The wiring cavity structure 2 is on the annular side wall of the main body 1, so that the bottom wall of the main body 1 is completely vacant, so when the lamp is installed, the entire back space can be used as the installation part, and at the same time due to the position of the wiring cavity structure 2 Transferred, the location of the wiring cavity structure 2 is separated from the explosion-proof cavity of the lamp, which improves safety, and because the ring-shaped side wall is used as the bottom of the wiring cavity structure 2, materials are saved.

To sum up, the wiring cavity structure of the explosion-proof lamp of the present invention is located on the annular side wall of the main body, which first increases the space on the back of the lamp installation, thereby facilitating the installation of the lamp in various ways, and secondly, by combining the wiring cavity with the The explosion-proof chamber of the lamp body is separated, which further improves the safety. Finally, because the wiring chamber and the lamp housing are integrated and share a part, materials are saved.

The above are only preferred feasible embodiments of the present invention, and do not limit the protection scope of the present invention. All equivalent structural changes made by using the description and drawings of the present invention are included in the protection scope of the present invention.

Claims (8)

1. An explosion-proof lamp, comprising a lamp housing, the lamp housing comprises a main body, the main body is in the shape of a circular platform with an open upper end, and the main body includes a circular bottom wall and a ring protruding upward from the periphery of the bottom wall shaped side wall, the bottom wall and the ring-shaped side wall enclose the explosion-proof cavity of the lamp body, characterized in that the lamp housing also includes a wiring cavity structure integrated with the main body, and the wiring cavity structure It includes: a base, the base is in the shape of a rectangular platform with side ends open, and it includes a rectangular bottom integrated with the outer side of the annular side wall of the main body and four protruding outwards from the periphery of the bottom. two side walls, two of which are parallel to the bottom wall of the main body, and the other two side walls are perpendicular to the bottom wall of the main body, the bottom and four side walls enclose a wiring cavity, and the bottom is There are lead openings communicating with the explosion-proof cavity; two lead posts are oppositely arranged on the two side walls perpendicular to the bottom wall of the main body, each lead post is hollow, and is connected to the The wiring cavity is connected; the explosion-proof lamp also includes: an explosion-proof connector, which is installed in the lead opening; a ground terminal, which is installed in the wiring cavity; and a cover, which is installed in the base The side is used to seal the side opening of the base. 2. The explosion-proof lamp according to claim 1, characterized in that, the explosion-proof lamp further comprises two rubber plugs, and through holes are opened in the two rubber plugs, and the rubber plugs are inserted into the lead posts, so that The rubber plug is used to secure the wire in the conduit and seal the lead post. 3. The explosion-proof lamp according to claim 2, characterized in that, the explosion-proof lamp further comprises two steel plugs, the shape and size of the steel plugs match the lead posts and are provided with The through hole matching the rubber plug, the steel plug and the lead post have matching threads, the steel plug is screwed into the lead post to tighten the rubber plug to seal the described lead posts. 4. The explosion-proof lamp according to claim 1, wherein the explosion-proof lamp further comprises a sealing ring, and the sealing ring is located between the wiring cavity cover and the opening of the wiring cavity. 5. The explosion-proof lamp according to claim 4, characterized in that, the wiring chamber cover is fixed on the opening of the wiring chamber by screws, and the sealing ring is pressed and fixed so that the opening of the wiring chamber seal. 6. The explosion-proof lamp according to claim 1, wherein the protection level of the wiring cavity structure meets IP66. 7. The explosion-proof lamp according to claim 1, characterized in that, the explosion-proof lamp further comprises a connection terminal installed in the connection cavity. 8 . The explosion-proof lamp according to claim 7 , wherein the connection terminal is fixed in the connection cavity by a fixed connection terminal board and a fixed connection terminal bottom plate.