阅读说明：本技术 路灯接线盒 (Street lamp junction box ) 是由 不公告发明人 于 2020-06-09 设计创作，主要内容包括：本发明公开了路灯接线盒,包括盒体和接线端子,所述盒体内侧安装有接线端子,所述盒体一侧安装有钢瓶,所述钢瓶顶端导通连接有L型金属管,所述L型金属管末端一体成型有连接管,所述连接管端口处开设有接口,所述接口内侧开设有螺纹,所述连接管一端安装有消防喷头,所述消防喷头底部导通连接有螺纹管,所述螺纹管与消防喷头底部衔接处固定连接有环形凸台,所述环形凸台下表面镶嵌有第二密封胶圈,本发明通过盒体内部出现短路燃烧的情况时,消防喷头温度达到上限,使消防喷头上的感温管破裂,导致钢瓶内部的高浓度二氧化碳气体从破裂的喷头内放出,从而使盒体内侧的火焰隔绝氧气,从而达到灭火的效果,从而降低照明系统的损失。(The invention discloses a street lamp junction box, which comprises a box body and a junction terminal, wherein the junction terminal is arranged on the inner side of the box body, a steel bottle is arranged on one side of the box body, the top end of the steel bottle is in conduction connection with an L-shaped metal pipe, the tail end of the L-shaped metal pipe is integrally formed with a connecting pipe, the port of the connecting pipe is provided with a port, the inner side of the port is provided with threads, one end of the connecting pipe is provided with a fire-fighting nozzle, the bottom of the fire-fighting nozzle is in conduction connection with a threaded pipe, the joint of the threaded pipe and the bottom of the fire-fighting nozzle is fixedly connected with an annular boss, and the lower surface of the annular boss is embedded with a second sealing rubber ring. Thereby achieving the effect of extinguishing fire and reducing the loss of the lighting system.)

1. Street lamp terminal box, including box body (1) and binding post (101), its characterized in that are installed to box body (1) inboard: steel bottle (2) are installed to box body (1) one side, steel bottle (2) top turn-on connection has L type tubular metal resonator (201), the terminal integrated into one piece of L type tubular metal resonator (201) has connecting pipe (202), interface (206) have been seted up to connecting pipe (202) port department, screw thread (207) have been seted up to interface (206) inboard, fire control shower nozzle (3) are installed to connecting pipe (202) one end, turn-on connection has screwed pipe (301) bottom fire control shower nozzle (3), screwed pipe (301) link up fixedly connected with annular boss (302) with fire control shower nozzle (3) bottom, annular boss (302) lower surface inlays and has the sealed rubber ring of second (303).

2. The street light junction box of claim 1, wherein: the L-shaped metal pipe (201) penetrates through the outer wall of one side of the box body (1), and the connecting pipe (202) is located on the inner side of the box body (1).

3. The street light junction box of claim 1, wherein: the welding of connecting pipe (202) one side has annular limiting plate (203), and annular limiting plate (203) is located the outside of box body (1), annular limiting plate (203) surface bonding has first rubber seal (204), and first rubber seal (204) and box body (1) outer wall laminate mutually.

4. The street light junction box of claim 3, wherein: and an airtight valve (205) is arranged on one side of the annular limiting plate (203).

5. The street light junction box of claim 1, wherein: the interface (206) is connected with the annular boss (302), and the threaded pipe (301) is rotatably connected with the thread (207).

6. The street light junction box of claim 1, wherein: the steel bottle (2) bottom fixedly connected with support plate (4), a style of calligraphy recess (401) have been seted up to support plate (4) upper surface, fastening bolt (402) are installed to support plate (4) outer wall, and fastening bolt (402) end extends to a style of calligraphy recess (401) inboard.

Technical Field

The invention relates to the technical field of lighting engineering, in particular to a street lamp junction box.

Background

Lighting engineering refers to the discipline of design, technology and engineering that uses natural or artificial lighting systems to meet lighting requirements in specific light environments. The lighting requirements mainly include the illuminance, brightness, color rendering, and visual effect of the luminous environment of the illuminated surface. The lighting environment comprises indoor space and outdoor space such as road, square, scenic spot, park, building, etc.

The junction box is one of electrical accessories, because the street lamp wire passes through the wire tube, and the junction part of the wire (such as longer line or corner of the wire tube) adopts the junction box as a transition part, the wire tube is connected with the junction box, and the wires in the wire tube are connected in the junction box to play the roles of protecting the wire and connecting the wire.

However, the existing street lamp junction box mainly has the following disadvantages:

the existing street lamp junction box does not have the function of fire prevention, when a short circuit occurs in a circuit inside the junction box, a cable inside the junction box is quickly burnt, and great economic loss is caused to a lighting system.

Disclosure of Invention

The invention aims to provide a street lamp junction box to solve the problems that the existing street lamp junction box in the background art does not have a fireproof function, and when a circuit in the junction box is short-circuited, a cable in the junction box burns rapidly, so that a lighting system is relatively high in economic loss.

In order to achieve the purpose, the invention provides the following technical scheme: street lamp terminal box, including box body and binding post, binding post is installed to the box body inboard, the steel bottle is installed to box body one side, steel bottle top turn-on connection has L type tubular metal resonator, the terminal integrated into one piece of L type tubular metal resonator has the connecting pipe, the interface has been seted up to connecting pipe port department, the inboard screw thread that sets up of interface, the fire control shower nozzle is installed to connecting pipe one end, fire control shower nozzle bottom turn-on connection has the screwed pipe, the screwed pipe links up the annular boss of fixedly connected with in bottom the fire control shower nozzle, annular boss lower surface inlays and has the sealed rubber ring of second.

Preferably, the L-shaped metal pipe runs through the outer wall of one side of the box body, the connecting pipe is located on the inner side of the box body, the fire-fighting nozzle can be installed on the inner side of the box body, and then the fire-fighting effect is achieved.

Preferably, the welding of connecting pipe one side has annular limiting plate, and annular limiting plate is located the outside of box body, annular limiting plate surface bonding has first rubber sealing ring, and first rubber sealing ring laminates with the box body outer wall mutually, can improve the sealed effect of L type tubular metal resonator and box body outer wall linking department to when making high concentration carbon dioxide gas enter into the box body inboard, improve the effect of putting out a fire.

Preferably, ring limiting plate installs the airtight valve in one side, installs on the outer wall of L type tubular metal resonator through the airtight valve, and after the steel bottle installation was accomplished, through opening the airtight valve, when the inside burning of box body, the inside high concentration carbon dioxide atmospheric pressure of steel bottle was gone into the box body inboard through L type tubular metal resonator and is put out a fire.

Preferably, the interface links up with annular boss mutually, screwed pipe and screw thread are rotated and are connected, and annular lug embedding is inboard to the interface, makes the second rubber seal closely laminate with the interface inner wall to can effectually improve the sealed effect of fire control shower nozzle and connecting pipe department.

Preferably, steel bottle bottom fixedly connected with support plate, a style of calligraphy recess has been seted up to the support plate upper surface, fastening bolt is installed to the support plate outer wall, and fastening bolt end extends to a style of calligraphy recess inboard, through placing the steel bottle bottom the inboard at a style of calligraphy recess, through the position of the adjustable steel bottle of a style of calligraphy recess to be favorable to sending into the connecting pipe box body inside, through rotatory fastening bolt, thereby make fastening bolt's end withstand steel bottle bottom outer wall, thereby fix the steel bottle on the support plate, the convenience is installed and is dismantled the steel bottle.

The invention provides a street lamp junction box which has the following beneficial effects:

(1) the invention fixes the steel cylinder outside the box body, and at the same time, the connecting pipe is inserted into the inner side of the box body, the threaded pipe at the bottom of the fire-fighting nozzle is in butt joint with the connecting pipe, so that the threaded pipe is rotationally connected with the thread arranged on the inner side of the connecting pipe, meanwhile, the annular convex block is embedded into the inner side of the interface, so that the second sealing rubber ring is tightly attached to the inner wall of the interface, thereby effectively improving the sealing effect between the fire nozzle and the connecting pipe, opening the airtight valve after the fire nozzle is installed, filling high-concentration carbon dioxide gas into the steel cylinder, when short circuit combustion occurs in the box body, the temperature of the fire-fighting nozzle reaches the upper limit, the temperature sensing pipe on the fire-fighting nozzle is broken, high-concentration carbon dioxide gas in the steel cylinder is discharged from the broken nozzle, thereby the flame of messenger's box body inboard isolates oxygen to reach the effect of putting out a fire, thereby reduce lighting system's loss.

(2) According to the invention, the bottom of the steel cylinder is placed on the inner side of the linear groove, the position of the steel cylinder can be adjusted through the linear groove, so that the connecting pipe can be conveniently fed into the box body, the tail end of the fastening bolt is enabled to be propped against the outer wall of the bottom of the steel cylinder by rotating the fastening bolt, the steel cylinder is fixed on the support plate, and the steel cylinder is convenient to install and disassemble.

Drawings

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

FIG. 2 is a schematic diagram of a front side of the ring-shaped limiting plate according to the present invention;

FIG. 3 is a schematic view of the installation structure of the fire sprinkler of the present invention;

fig. 4 is a schematic top view of a carrier according to the present invention.

In the figure: 1. a box body; 101. a wiring terminal; 2. a steel cylinder; 201. an L-shaped metal tube; 202. a connecting pipe; 203. an annular limiting plate; 204. a first sealing rubber ring; 205. an airtight valve; 206. an interface; 207. a thread; 3. a fire sprinkler; 301. a threaded pipe; 302. an annular boss; 303. a second sealing rubber ring; 4. a carrier plate; 401. a linear groove; 402. and fastening the bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: street lamp terminal box, including box body 1 and binding post 101, binding post 101 is installed to 1 inboard of box body, steel bottle 2 is installed to 1 one side of box body, 2 top turn-on connections of steel bottle have L type tubular metal resonator 201, the terminal integrated into one piece of L type tubular metal resonator 201 has connecting pipe 202, interface 206 has been seted up to connecting pipe 202 port department, screw thread 207 has been seted up to interface 206 inboard, fire control shower nozzle 3 is installed to connecting pipe 202 one end, 3 bottoms turn-on connections of fire control shower nozzle have screwed pipe 301, screwed pipe 301 links up department fixedly connected with annular boss 302 with 3 bottoms of fire control shower nozzle, annular boss 302 lower surface inlays and has the sealed rubber ring 303 of second.

The steel cylinder 2 is fixedly installed on the outer side of the box body 1, the connecting pipe 202 is inserted into the inner side of the box body 1, the threaded pipe 301 at the bottom of the fire nozzle 3 is connected with the connecting pipe 202 in an abutting mode, the threaded pipe 301 is connected with the thread 207 arranged on the inner side of the connecting pipe 202 in a rotating mode, the annular convex block 302 is embedded into the inner side of the interface 206, the second sealing rubber ring 303 is tightly attached to the inner wall of the interface 206, the sealing effect of the fire nozzle 3 and the connecting pipe 202 can be effectively improved, after the fire nozzle 3 is installed, the airtight valve 205 is opened, the steel cylinder 2 is filled with high-concentration carbon dioxide gas, when short-circuit combustion occurs in the box body 1, the temperature of the fire nozzle 3 reaches the upper limit, the temperature sensing pipe on the fire nozzle 3 is broken, the high-concentration carbon dioxide gas in the steel cylinder 2 is discharged from the broken nozzle, and oxygen is isolated by flames inside the box body 1, thereby achieving the effect of extinguishing fire and reducing the loss of the lighting system.

L type tubular metal resonator 201 runs through box body 1 one side outer wall, connecting pipe 202 is located box body 1 inboard, can install fire control shower nozzle 3 in box body 1 inboard, and then plays the effect of putting out a fire.

Connecting pipe 202 one side welding has annular limiting plate 203, and annular limiting plate 203 is located the outside of box body 1, annular limiting plate 203 surface bonding has first rubber gasket 204, and just first rubber gasket 204 laminates mutually with 1 outer wall of box body, can improve the sealed effect of L type tubular metal resonator 201 and 1 outer wall linking department of box body to when making high concentration carbon dioxide gas enter into 1 inboards of box body, improve the effect of putting out a fire.

Airtight valve 205 is installed to ring-shaped limiting plate 203 one side, installs on the outer wall of L type tubular metal resonator 201 through airtight valve 205, and after the installation of steel bottle 2 was accomplished, through opening airtight valve 205, when the inside burning of box body 1, the high concentration carbon dioxide atmospheric pressure of the inside of steel bottle 2 flushed box body 1 inboard through L type tubular metal resonator 201 and was put out a fire.

The interface 206 is connected with the annular boss 302, the threaded pipe 301 is rotatably connected with the thread 207, and the annular boss 302 is embedded into the inner side of the interface 206, so that the second sealing rubber ring 303 is tightly attached to the inner wall of the interface 206, and the sealing effect of the fire-fighting nozzle 3 and the connecting pipe 202 can be effectively improved.

2 bottom fixedly connected with support plate 4 of steel bottle, a style of calligraphy recess 401 has been seted up to 4 upper surfaces of support plate, fastening bolt 402 is installed to 4 outer walls of support plate, and fastening bolt 402 is terminal to extend to a style of calligraphy recess 401 inboard, through placing 2 bottoms of steel bottle in the inboard of a style of calligraphy recess 401, through the position of the adjustable steel bottle 2 of a style of calligraphy recess 401, thereby be favorable to sending into connecting pipe 202 inside box body 1, through rotatory fastening bolt 402, thereby make fastening bolt 402's end withstand 2 bottom outer walls of steel bottle, thereby fix steel bottle 2 on support plate 4, the convenience is installed and is dismantled steel bottle 2.

It should be noted that, when the street lamp junction box works, the steel cylinder 2 is fixed on the outer side of the box body 1, the connecting pipe 202 is inserted into the inner side of the box body 1, the threaded pipe 301 at the bottom of the fire nozzle 3 is connected with the connecting pipe 202, the threaded pipe 301 is connected with the thread 207 arranged on the inner side of the connecting pipe 202 in a rotating manner, the annular convex block 302 is embedded into the inner side of the interface 206, the second sealing rubber ring 303 is tightly attached to the inner wall of the interface 206, so that the sealing effect between the fire nozzle 3 and the connecting pipe 202 can be effectively improved, after the fire nozzle 3 is installed, the airtight valve 205 is opened, the steel cylinder 2 is filled with high-concentration carbon dioxide gas, when short-circuit combustion occurs inside the box body 1, the temperature of the fire nozzle 3 reaches the upper limit, the temperature sensing pipe on the fire nozzle 3 is broken, and the high-concentration carbon dioxide gas inside the steel cylinder 2 is discharged from the broken nozzle, thereby isolating oxygen from the flame on the inner side of the box body 1, achieving the effect of extinguishing fire, thereby reducing the loss of the lighting system, wherein the L-shaped metal pipe 201 penetrates through the outer wall on one side of the box body 1, the connecting pipe 202 is positioned on the inner side of the box body 1, the fire nozzle 3 can be installed on the inner side of the box body 1, so as to achieve the effect of extinguishing fire, the annular limiting plate 203 is welded on one side of the connecting pipe 202, the annular limiting plate 203 is positioned on the outer side of the box body 1, the first sealing rubber ring 204 is adhered to the surface of the annular limiting plate 203, and the first sealing rubber ring 204 is adhered to the outer wall of the box body 1, so as to improve the sealing effect at the joint of the L-shaped metal pipe 201 and the outer wall of the box body 1, thereby improving the effect of extinguishing fire when high-concentration carbon dioxide gas enters the inner side of the box body 1, the airtight valve 205 is installed on one side of the annular limiting plate 203, and is installed on the outer wall of the L-shaped metal pipe 201 through the airtight valve 205, after the steel cylinder 2 is installed, by opening the airtight valve 205, when the interior of the box body 1 is combusted, the high-concentration carbon dioxide gas pressure in the steel cylinder 2 is flushed into the inner side of the box body 1 through the L-shaped metal tube 201 to extinguish a fire, the interface 206 is connected with the annular boss 302, the threaded tube 301 is rotatably connected with the threads 207, the annular boss 302 is embedded into the inner side of the interface 206, so that the second sealing rubber ring 303 is tightly attached to the inner wall of the interface 206, thereby effectively improving the sealing effect between the fire nozzle 3 and the connecting pipe 202, the bottom of the steel cylinder 2 is fixedly connected with the support plate 4, the upper surface of the support plate 4 is provided with the linear groove 401, the outer wall of the support plate 4 is provided with the fastening bolt 402, the tail end of the fastening bolt 402 extends to the inner side of the linear groove 401, the position of the steel cylinder 2 can be adjusted through the linear groove 401 by placing the bottom of the steel cylinder 2 inside the linear groove 401, thereby facilitating the connecting pipe 202 to be fed into the box body 1, through rotatory fastening bolt 402 to make fastening bolt 402's end withstand steel bottle 2 bottom outer wall, thereby fix steel bottle 2 on support plate 4, conveniently install and dismantle steel bottle 2.

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.