CN107171260A - A kind of distribution box - Google Patents

Abstract

The invention belongs to the technical field of electric equipment, and specifically relates to a distribution box; a distribution box includes a base, a box body and a box cover, the box body is a cavity structure with upper and lower openings, and the box body is arranged on the upper part of the base, The box cover is arranged on the top of the box body, the top wall of the base is a heat dissipation plate structure, the front and rear side walls are provided with convection holes, the convection holes are covered with protective nets, and the upper part of the box body is provided with isolation plates and Top plate, the top plate is arranged at the connection between the box body and the box cover, and a screw fixing mechanism for fixing the box cover and the box body is arranged between the top plate and the isolation plate, and the left and right inner walls of the box body are provided with L-shaped Connecting plate: The present invention provides a distribution box, which can make the distribution box dissipate heat well, and at the same time, have better waterproof performance and reduce the occurrence of electric leakage accidents.

Description

a junction box

technical field

The invention belongs to the technical field of electric equipment, and in particular relates to a distribution box.

Background technique

At present, urban cable routing is buried underground, and there is a distribution box connected to the underground cable on the ground, so as to implement branching, branching, connection and conversion circuits for the cable lines. Generally, the distribution box is It is an iron material coated with an insulating layer, and it is equipped with a load switch cabinet. When installing, the distribution box is installed on steel materials such as steel channels directly laid on the ground.

The existing distribution box is only an accessory for processing and connecting the cable ends in the box. The structure is relatively simple, the volume is small, and the function is relatively simple; Scattering leads to short service life of internal components; existing distribution boxes have poor rainproof performance, and some distribution boxes are prone to rainwater leakage, which in turn is prone to leakage accidents.

Therefore, it is necessary to improve the existing distribution box, which can make the distribution box have better rainproof performance, good heat dissipation, and reduce the occurrence of leakage accidents.

Contents of the invention

In order to overcome the deficiencies in the background technology, the present invention proposes a distribution box, which can make the distribution box dissipate heat well, have better waterproof performance, and reduce the occurrence of electric leakage accidents.

The present invention is achieved through the following technical solutions:

A distribution box includes a base, a box body and a box cover. The box body is a cavity structure with upper and lower openings. The box body is arranged on the top of the base, and the box cover is arranged on the top of the box body.

The top wall of the base is a heat dissipation plate structure, and the front and rear side walls are provided with convection holes, and the convection holes are covered with protective nets.

The upper part of the box body is provided with an isolation plate and a top plate, the top plate is arranged at the junction of the box body and the box cover, and a screw fixing mechanism for fixing the box cover and the box body is arranged between the top plate and the isolation plate.

The box is provided with L-shaped connecting plates on the left and right inner walls of the lower part of the isolation plate, the vertical plates of the L-shaped connecting plates are fixedly connected to the inside of the box by bolts, and the horizontal plates of the L-shaped connecting plates are perpendicular to the inner wall of the box. A connecting hole is arranged on the plate along its length direction, and a mounting bar is arranged between the left and right L-shaped connecting plates, and the two ends of the mounting bar pass through the bolts of the connecting holes to fix.

Further, the screw fixing mechanism includes a fixing plate, a supporting block, a spring mechanism, a sliding plate and a fixing screw, the fixing plate is fixed between the top plate and the isolation plate, the spring mechanism is installed on the supporting block, and the sliding plate is installed on the spring mechanism On the top, the fixed screw rod is installed on the slide plate, the fixed screw rod runs through the inner wall of the box and the box cover, and is fixed with nuts, the top plate is provided with a chute matching with the slide plate, the inner bottom of the chute is provided with a fixing device, and the slide plate is equipped with a fixing slots for fixing devices,

Further, the cover is provided with a push rod, and the bottom of the push rod is provided with a block, which can be embedded between the fixed plate and the support block, and the transverse length of the block is larger than that between the fixed plate and the support block. The distance is large.

Further, the installation bar is provided with an installation hole, and an incoming cable is provided between the installation bar and the backboard of the box body.

Further, the outgoing copper bar is installed on the installation bar.

Compared with the prior art, the present invention has at least one of the following beneficial effects:

1. There is a base, and the top wall of the base on the base is a heat dissipation plate structure, and the front and rear side walls are provided with convection holes. The convection holes are covered with protective nets, and the heat generated by the components in the box is dissipated to the base through the heat dissipation plate , and then dissipate from the convection holes of the base, making the temperature inside the box lower;

2. It is equipped with a screw fixing mechanism and a push rod, which can strengthen the connection between the box cover and the box body and increase safety;

3. There are L-shaped connecting plates and installation strips, so that the equipment and copper bars can be modularly fixed on the installation strips, which improves the assembly efficiency and facilitates the optimization of the assembly space, and the routing cables can make full use of the installation strips and the box body The space between the wires is routed so that the cables do not leak out and improve safety;

4. The present invention has simple structure, good heat dissipation and good safety performance.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the enlarged view of part A of the present invention;

Fig. 3 is a schematic diagram of the structure of the skateboard of the present invention.

In the figure, 1-base, 2-box body, 3-box cover, 4-convection hole, 5-isolation plate, 6-top plate, 7-screw fixing mechanism, 8-L-shaped connecting plate, 9-fixing plate, 10 -support block, 11-spring mechanism, 12-slider, 13-fixing screw, 14-nut, 15-chute, 16-fixing device, 17-fixing groove, 18-push rod, 19-block, 20-installation Bar, 21-outlet copper bar.

detailed description

In order to make the purpose, technical solutions and beneficial effects of the present invention more clear, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so as to facilitate the understanding of technical personnel.

As shown in Figures 1-3, the distribution box includes a base 1, a box body 2 and a box cover 3. The box body 2 is a cavity structure with upper and lower openings. The box body 2 is arranged on the upper part of the base 1. The cover 3 is arranged on the top of the box body 2,

The top wall of the base 1 is a heat dissipation plate structure, and the front and rear side walls are provided with convection holes 4, and the convection holes 4 are covered with protective nets, and the heat generated by the components in the box body 2 is dissipated to the base 1 through the heat dissipation plate , and then dissipate from the convection hole 4 of the base 1, so that the temperature in the box 2 is relatively low.

The upper part of the box body 2 is provided with an isolation plate 5 and a top plate 6, and the top plate 6 is arranged at the junction of the box body 2 and the box cover 3, and a spacer for fixing the box cover 3 and the box body 2 is provided between the top plate 6 and the isolation plate 5. The screw fixing mechanism 7, the screw fixing mechanism 7 includes a fixing plate 9, a support block 10, a spring mechanism 11, a slide plate 12 and a fixing screw 13, and the fixing plate 9 is fixed between the top plate 6 and the isolation plate 5, The spring mechanism 11 is installed on the support block 10, the slide plate 12 is installed on the spring mechanism 11, the fixed screw rod 13 is installed on the slide plate 12, the fixed screw rod 13 runs through the inner wall of the box body 2 and the box cover 3, and is fixed with nuts, and the top plate 6 is set There is a chute 15 matched with the slide plate 12, the inner bottom of the chute 15 is provided with a fixing device 16, the slide plate 12 is provided with a fixing groove 17 matched with the fixing device 16, and the cover 3 is provided with a push rod 18 , the bottom of the push rod 18 is provided with a block 19, the block 19 can be embedded between the fixed plate 9 and the support block 10, and the transverse length of the block 19 is larger than the distance between the fixed plate 9 and the support block 10, The connection between the box cover 3 and the box body 2 is more reliable, the sealing performance is better, and the distribution box is prevented from being attacked by rainwater when it is used outdoors, and a base 1 is provided so that the box body 2 does not directly contact the ground, and the waterproof performance better.

Described box body 2 is provided with L-shaped connecting plate 8 on the left and right inner walls of separating plate 5 bottoms, and the vertical plate of L-shaped connecting plate 8 is fixedly connected in box body 2 inside by bolts, and the transverse plate of L-shaped connecting plate 8 and The inner wall of the box body 2 is vertical, and the horizontal plate is provided with connecting holes along its length direction, and a mounting bar 20 is arranged between the left and right L-shaped connecting plates 8, and the two ends of the mounting bar 20 are respectively fixed by bolts passing through the connecting holes. The above-mentioned installation bar 20 is provided with installation holes, and an incoming cable is arranged between the installation bar 20 and the backboard of the box body 2, and the outgoing copper bar 21 is installed on the installation bar 20, so that the equipment and the copper bar can be modularized It is fixed on the installation bar 20 to improve the assembly efficiency and facilitate the optimization of the assembly space, and the routing cables can make full use of the space between the installation bar 20 and the box body 2 for routing, so that the cables do not leak and improve safety.

The invention is provided with a base, and the top wall of the base on the base is a heat dissipation plate structure, and the front and rear side walls are provided with convection holes, and the convection holes are covered with protective nets, and the heat generated by the components in the box is dissipated to the base through the heat dissipation plate , and then dissipate from the convection hole of the base, so that the temperature in the box is lower; it is equipped with a screw fixing mechanism and a push rod, which can strengthen the connection between the box cover and the box body, and increase safety; it is equipped with L-shaped connecting plates and installation strips , so that the equipment and copper bars can be modularly fixed on the installation bar, which improves the assembly efficiency and facilitates the optimization of the assembly space, and the routing cables can make full use of the space between the installation bar and the box for routing, so that the cables do not External leakage improves safety; the invention has simple structure, good heat dissipation and good safety performance.

Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can be described in terms of form and Various changes may be made in the details without departing from the invention defined in the claims.

Claims (5)

1. a kind of distribution box, it is characterised in that：Described distribution box includes base（1）, casing（2）And case lid（3）, casing（2） For the cavity structure of upper and lower opening, described casing（2）It is arranged on base（1）Top, case lid（3）It is arranged on casing（2）Top,

Described base（1）Roof is to be provided with convection holes on cooling plate structure, front-rear side walls（4）, described convection holes（4）On Covered with protection network,

Described casing（2）Internal upper part is provided with division board（5）And top plate（6）, top plate（6）It is arranged on casing（2）With case lid（3） Junction, top plate（6）And division board（5）Between be provided with for fixing case lid（3）And casing（2）Screw rod fixed mechanism（7）,

Described casing（2）In division board（5）The left and right inwall of bottom is provided with L-shaped connecting plate（8）, L-shaped connecting plate（8）It is perpendicular Plate is bolted to connection in casing（2）Inner side, L-shaped connecting plate（8）Transverse slat and casing（2）Inwall is vertical, edge on transverse slat Its length direction is provided with connecting hole, the L-shaped connecting plate of left and right two（8）Between be provided with mounting bar（20）, mounting bar（20）'s The bolt that two ends are each passed through connecting hole is fixed.

2. a kind of distribution box according to claim 1, it is characterised in that：Described screw rod fixed mechanism（7）Including fixation Plate（9）, support block（10）, spring mechanism（11）, slide plate（12）And standing screw（13）, described fixed plate（9）It is fixed on top Plate（6）And division board（5）Between, spring mechanism（11）Installed in support block（10）On, slide plate（12）Installed in spring mechanism （11）On, standing screw（13）Installed in slide plate（12）On, standing screw（13）Through casing（2）Inwall and case lid（3）, and adopt Fixed with nut, top plate（6）On be provided with and slide plate（12）The chute being engaged（15）, chute（15）Inner bottom part is provided with fixation Device（16）, slide plate（12）Inside it is provided with and fixing device（16）The fixing groove being engaged（17）.

3. a kind of distribution box according to claim 1, it is characterised in that：Described case lid（3）It is provided with push rod（18）, push away Bar（18）Bottom is provided with fixture block（19）, fixture block（19）Insertion type is located at fixed plate（9）And support block（10）Between, and fixture block （19）Lateral length compare fixed plate（9）And support block（10）The distance between it is big.

4. a kind of distribution box according to claim 2, it is characterised in that：Described mounting bar（20）On be provided with installation Hole, and mounting bar（20）And casing（2）Backboard between be provided with inlet wire cable.

5. a kind of distribution box according to claim 2, it is characterised in that：Outlet copper bar（21）It is installed on mounting bar（20） On.