CN213237038U

CN213237038U - Explosion-proof steamed bun lamp

Info

Publication number: CN213237038U
Application number: CN202021363278.2U
Authority: CN
Inventors: 钟六香
Original assignee: Guangdong Nasiter International Lightning Co ltd
Current assignee: Guangdong Nasiter International Lightning Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-05-18
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses an explosion-proof steamed bread headlight, which comprises a housin, be equipped with the printing opacity cover of looks adaptation on the casing, be equipped with circuit board and flame proof board in the casing, be equipped with the light source board on the flame proof board, the configuration of flame proof board is just between casing and printing opacity cover the printing opacity cover covers the explosion proof board. The shell is provided with a connecting groove matched with the edge of the explosion-proof plate, the explosion-proof plate is of a cylindrical structure, the shape of the explosion-proof plate is matched with the inner wall of the shell, and the explosion-proof plate is tightly attached to the inner wall of the shell. The light-transmitting cover is provided with a through hole, the shell is provided with a threaded hole, and a screw penetrates through the through hole and the threaded hole to realize the fixed connection of the light-transmitting cover shell. The utility model discloses the structure of explosion-proof steamed bread headlight closely links to each other, and the clearance of explosion-proof board and casing is little, and the composition surface is big, accords with the requirement among GB3836, and the explosion-proof is effectual.

Description

Explosion-proof steamed bun lamp

Technical Field

The utility model relates to a lighting apparatus field, concretely relates to explosion-proof steamed bread headlight.

Background

The explosion-proof lamp is used in dangerous places where combustible gas and dust exist, and can prevent electric arcs, sparks and high temperature possibly generated in the lamp from igniting the combustible gas and dust in the surrounding environment, so that the lamp meets the explosion-proof requirement.

The existing explosion-proof steamed bread lamp consists of a shell, a base and a light-transmitting cover, wherein the base is arranged on the shell; the light-transmitting cover is formed by plastic injection molding, so that the size is unstable, and the gap between the shell and the light-transmitting shell is large after the light-transmitting shell is installed on the shell, which does not meet the requirement in GB 3836; therefore, the conventional steamed bread lamp realizes explosion suppression by locking the base inside the shell through screws, but due to structural and technological limitations, the joint surface between the inside of the shell and the base is extremely small, and the requirement in GB3836 is not met.

For insulation, a circuit board of the conventional explosion-proof steamed bun lamp is wrapped by a heat-shrinkable tube and placed in a shell, the heat-shrinkable tube has insufficient sealing property, and when the explosion-proof steamed bun lamp is used for a long time, water vapor is generated to cause short circuit of the circuit board; because GB3836 stipulates that the explosion-proof lamp can only use the terminal to connect the wiring in the lamp body, so window form and window lid will be provided with on the current casing, and during the wiring of user, open the window lid, take out the circuit board and connect the wiring completion after, put back the casing inside, but this leads to the circuit board to remove, during the transportation, and is very easy to damage.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model provides an explosion-proof steamed bread headlight.

The utility model discloses the technical scheme who adopts: the utility model provides an explosion-proof steamed bread headlight, includes the casing, be equipped with the printing opacity of looks adaptation and cover on the casing, be equipped with circuit board and flame proof board in the casing, be equipped with the light source board on the flame proof board, the configuration of explosion proof board just between casing and printing opacity cover the printing opacity covers the explosion proof board.

Furthermore, the shell is provided with a connecting groove matched with the edge of the explosion-proof plate, the explosion-proof plate is of a cylindrical structure, the shape of the explosion-proof plate is matched with the inner wall of the shell, and the explosion-proof plate is tightly attached to the inner wall of the shell.

Furthermore, the light-transmitting cover is provided with a through hole, the shell is provided with a threaded hole, and a screw penetrates through the through hole and the threaded hole to fixedly connect the light-transmitting cover and the shell.

Further, the light source board is provided with a through hole, the explosion isolation board is provided with a threaded pipe, and the light source board is fixed to the explosion isolation board through the through hole and the threaded pipe which are penetrated by screws.

Furthermore, a through wire pipe is arranged on the explosion-proof plate and connected with the light source plate and the circuit board.

Further, be equipped with fixed pipe and protection box in the casing, the protection box covers the circuit board and through the screw with fixed pipe fixed mounting is in the bottom of casing.

Furthermore, the circuit board is provided with a wiring terminal and a connector, and the wiring terminal and the connector are exposed out of the protection box.

Further, the light-transmitting cover is provided with a waterproof groove.

Furthermore, waterproof glue is arranged in the waterproof groove.

Furthermore, the shell is provided with a wire outlet hole, a wire outlet pipe is welded on the wire outlet hole, a thread structure is arranged in the wire outlet pipe, and a support is arranged below the shell.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the utility model discloses set up the printing opacity cover on the casing, interior circuit board and the flame proof board of establishing, be equipped with the light source board on the flame proof board, the flame proof board is the cylinder structure, and closely links to each other with the casing, and the clearance of flame proof board and casing is little, and the composition surface is big, accords with the requirement in GB3836, and the flame proof is effectual; (2) the shell of the utility model is provided with a connecting groove matched with the edge of the flame-proof plate, the flame-proof plate is placed on the shell through the connecting groove and locked by the screw and the thread of the light-transmitting cover, and the shell is solid and firm; (3) the protection box of the utility model covers the circuit board and is fixedly arranged at the bottom of the shell through screws, thereby better protecting the circuit board and being safer; (4) the light source plate of the utility model is fixed on the explosion-proof plate, which is firm and safe; (5) the circuit board of the utility model is provided with terminals and is exposed out of the protection box, so that the wiring is safe and meets the national standard; (6) the utility model discloses be equipped with the capillary groove, be equipped with the waterproof glue in the capillary groove, can be effectively waterproof, better protection lamps and lanterns.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a structural view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a cross-sectional view a-a of fig. 1.

Fig. 4 is an enlarged view of B-B in fig. 3.

Fig. 5 is a schematic view of the protection box of the present invention.

Fig. 6 is a schematic view of the explosion-proof plate of the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "comprises" and "comprising" and any variations thereof in the description and claims of this application and the drawings described above are intended to cover non-exclusive inclusions, and that the terms "upper", "bottom", "inner", "outer", and the like refer to orientations or positional relationships based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the specific orientation of the indicated devices or components.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and the like are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The utility model provides an explosion-proof steamed bread headlight, includes casing 1, be equipped with the printing opacity cover 3 of looks adaptation on casing 1, be equipped with circuit board 5 and explosion-proof board 2 in the casing 1, be equipped with light source board 4 on the explosion-proof board 2, the configuration of explosion-proof board 2 just between casing 1 and printing opacity cover 3 the printing opacity cover 3 covers explosion-proof board 2, casing 1 be equipped with the spread groove 11 of 2 marginal facies adaptations of explosion-proof board, explosion-proof board 2 is the cylindrical structure, just the shape of explosion-proof board 2 with 1 inner wall looks adaptation of casing, 1 inner wall of casing is hugged closely to explosion-proof board 2. Due to the arrangement mode, the inner structure of the shell 1 is tightly connected, the gap between the explosion-proof plate 2 and the shell 1 is small, the joint surface is large, the requirements in GB3836 are met, and the explosion-proof effect is good.

In order to realize stable connection, be equipped with through-hole 31 on the printing opacity cover 3, be equipped with screw hole 12 on the casing 1, pass through screw 6 through-hole 31 and screw hole 12 realize printing opacity cover 3 and casing 1 fixed connection. Light source board 4 is equipped with through-hole 31, be equipped with screwed pipe 21 on the explosion-proof board 2, pass through screw 6 through-hole 31 and screwed pipe 21 will light source board 4 is fixed explosion-proof board 2. The explosion-proof plate 2 is placed on the shell 1 through the connecting groove 11 and is locked by the screw 6 and the light-transmitting cover 3 in a threaded mode, and the explosion-proof plate is firm and firm.

In order to realize the light source plate 4 with the circuit board 5 is connected, be equipped with the through-wire pipe 22 on the explosion-proof board 2, the through-wire pipe 22 is connected the light source plate 4 with the circuit board 5 can beat in the through-wire pipe 22 and glue.

In order to protect the circuit board 5 better, a protection tube 13 and a protection box 7 are arranged in the shell 1, and the protection box 7 covers the circuit board 5 and is fixedly installed at the bottom of the shell 1 through a screw 6 and the protection tube 13. The protection box 7 covers the circuit board 5 and is fixedly installed at the bottom of the shell 1 through the screws 6, so that the circuit board 5 is better protected and is safer.

Further, the circuit board 5 is provided with a wiring terminal 51 and a connector 52, and the wiring terminal 51 and the connector 52 are exposed outside the protection box 7. Wherein, the terminal is exposed out of the protection box 7, the wiring is safe, and the international standard is met. The light-transmitting cover 3 is provided with a waterproof groove 32, and waterproof glue is arranged in the waterproof groove 32, so that the waterproof lamp is effective in waterproof, compact and better protected. The shell 1 is provided with a wire outlet hole 14, a wire outlet pipe 15 is welded on the wire outlet hole 14, and the interior of the wire outlet pipe 15 is of a threaded structure; a bracket 16 is arranged below the shell 1, and the lamp is arranged on the ceiling by utilizing the bracket 16.

The wiring mode of the explosion-proof steamed bread lamp in this embodiment is as follows: firstly, a screw 6 at the top of the lamp is screwed by a screwdriver, after a lamp cover is taken out, the connector 52 is pulled out, the explosion-proof plate 2 and the LED light source plate 4 are taken out, the electric wire is inserted into the shell 1 through the wire outlet 14, then the electric wire is connected to the wiring terminal 51, then the connector 52, the explosion-proof plate 2 and the light-transmitting cover 3 are sequentially installed, and finally the screw 6 is locked.

Various other changes and modifications may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such changes and modifications should fall within the scope of the present invention.

Claims

1. An explosion-proof steamed bread headlight which characterized in that: the explosion-proof device comprises a shell, the last printing opacity that is equipped with the looks adaptation of casing covers, be equipped with circuit board and explosion-proof plate in the casing, be equipped with the light source board on the explosion-proof plate, the explosion-proof plate configuration is between casing and printing opacity cover, just the printing opacity covers the explosion-proof plate.

2. The explosion-proof steamed bread lamp as claimed in claim 1, characterized in that: the shell is provided with a connecting groove matched with the edge of the explosion-proof plate, the explosion-proof plate is of a cylindrical structure, the shape of the explosion-proof plate is matched with the inner wall of the shell, and the explosion-proof plate is tightly attached to the inner wall of the shell.

3. The explosion-proof steamed bread lamp as claimed in claim 1, characterized in that: the light-transmitting cover is provided with a through hole, the shell is provided with a threaded hole, and a screw penetrates through the through hole and the threaded hole to realize the fixed connection of the light-transmitting cover and the shell.

4. The explosion-proof steamed bread lamp as claimed in claim 1, characterized in that: the light source plate is provided with a through hole, the explosion isolation plate is provided with a threaded pipe, and the light source plate is fixed to the explosion isolation plate through a screw passing through the through hole and the threaded pipe.

5. The explosion-proof steamed bread lamp as claimed in claim 1, characterized in that: be equipped with the lead wire pipe on the explosion insulation board, the lead wire union coupling the light source board with the circuit board.

6. The explosion-proof steamed bread lamp as claimed in claim 1, characterized in that: the casing is internally provided with a fixed tube and a protection box, wherein the protection box covers the circuit board and is fixedly arranged at the bottom of the casing through a screw and the fixed tube.

7. The explosion-proof steamed bread lamp as claimed in claim 6, characterized in that: the circuit board is provided with a wiring terminal and a connector, and the wiring terminal and the connector are exposed outside the protection box.

8. The explosion-proof steamed bread lamp as claimed in claim 1, characterized in that: the light-transmitting cover is provided with a waterproof groove.

9. The explosion-proof steamed bread lamp as claimed in claim 8, wherein: waterproof glue is arranged in the waterproof groove.

10. The explosion-proof steamed bread lamp as claimed in claim 1, characterized in that: the shell is provided with a wire outlet hole, a wire outlet pipe is welded on the wire outlet hole, a thread structure is arranged in the wire outlet pipe, and a support is arranged below the shell.