CN113594889B

CN113594889B - Electrical equipment terminal box

Info

Publication number: CN113594889B
Application number: CN202110811226.XA
Authority: CN
Inventors: 韦荣至; 胡玉华; 张选棋; 燕南飞; 陈亮亮; 石善璋
Original assignee: Guilin Power Supply Bureau of Guangxi Power Grid Co Ltd
Current assignee: Guilin Power Supply Bureau of Guangxi Power Grid Co Ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2023-09-29
Anticipated expiration: 2041-07-19
Also published as: CN113594889A

Abstract

The invention provides an electrical equipment terminal box, wherein mounting frames are mounted on two sides of the inside of a box body, the mounting frames are fixedly connected with the inner wall of the box body through mounting blocks, a plurality of insulating protection covers are mounted on the mounting frames, a plurality of lower fixing half ring grooves are formed in one side, far away from the inner wall of the box body, of each insulating protection cover, mounting strips are arranged on the upper end faces of the insulating protection covers, the mounting strips are fixedly connected with second clamping blocks close to one sides of the mounting frames, the second clamping blocks are clamped in the second clamping grooves formed in the mounting frames, the upper end faces of the mounting strips are fixedly connected with baffle plates close to one sides of the mounting frames, and lifting rods are arranged at the right ends of the baffle plates.

Description

Electrical equipment terminal box

Technical Field

The invention relates to an electric equipment terminal box, and belongs to the field of electric appliances.

Background

The water inlet and wetting phenomena of the terminal box and the mechanism box of the outdoor electrical equipment often occur in the coastal and coastal rainy season in the south with long time and high air humidity, especially in typhoon weather. At present, accidents such as direct current grounding short circuit, switch misoperation, false alarm signal and secondary component damage and the like caused by multiple reasons of humidity occur, and the safe operation of electrical equipment is seriously affected.

For historical reasons, terminal boxes and mechanism boxes are often regarded as a simple container and little attention is paid, the process equipment is crude, the processing is rough, and various problems exist in the running box body, and the problems are mainly represented in the following aspects.

(1) The box uses the material poor, and structural design is unreasonable, and the box is easy corrosion and is intake.

(2) The field installation is unreasonable, the plugging is not tight, and the water vapor is caused to flow backward in the cable trench, the cable trough box or the vent hole.

(3) The internal design of the box body is poor, the dehumidification and dampproof design is unreasonable, and the heating device is not properly configured, so that internal condensation is caused.

The above factors will cause the terminal strip inside the box body to be influenced by the high humidity air to cause short circuit and damage the hidden trouble of electrical arrangement, so a novel invention is needed to solve the problem.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an electric equipment terminal box, which aims to solve the problems that (1) the box body is poor in use material and unreasonable in structural design and is easy to rust and water. (2) The field installation is unreasonable, the plugging is not tight, and the water vapor is caused to flow backward in the cable trench, the cable trough box or the vent hole. (3) The inside design of box is poor, and dehumidification dampproofing design is unreasonable, and heating device disposes inappropriately, leads to inside condensation, and above several factors can lead to the terminal strip of box inside to receive the influence of high humidity air and appear the problem of short circuit and damage electric hidden danger of setting.

In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides an electrical equipment terminal box, the mounting bracket is installed to the inside both sides of box, the mounting bracket passes through the inner wall fixed connection of installation piece and box, install a plurality of insulating safety covers on the mounting bracket, a plurality of lower fixed semi-ring grooves have been seted up to one side that the box inner wall was kept away from to insulating safety cover, the up end of insulating safety cover is provided with the installation strip, one side fixed connection second joint piece of installation piece press close to the installation frame, second joint piece joint is inside the second joint groove of seting up on the mounting bracket, one side fixed connection baffle of installation strip up end press close to the installation, the right-hand member of baffle is provided with the pull rod, the left end face fixed connection pull rod of pull rod, and the left end face fixed connection a plurality of reset spring of pull rod, the pull rod passes the left end face fixed connection sealing strip of baffle, the seal groove looks joint that sealing strip and mounting bracket right-hand member face were seted up, the lower terminal surface of installation strip has set up a fixed semi-ring groove, the rubber ring is all installed to the inside of going up fixed semi-ring groove and lower fixed semi-ring groove, the rubber ring passes through the fixed mounting strip and has the right-hand member through the annular groove under the installation of fixing strip, the terminal cover is equipped with the through-hole of two fixed mounting on the installation strip.

Further, the left end of terminal surface is rotated and is connected with the protecgulum before the box, rectangular seal groove has been seted up to the terminal surface before the box, the rear end face fixed connection rectangular seal strip of protecgulum, and rectangular seal strip and the rectangular seal groove looks joint of terminal surface before the box.

Further, the connecting block is installed to the right-hand member face of protecgulum, the first joint piece of right-hand member face fixed connection of connecting block, the spliced groove has been seted up to the up end of first joint piece, first joint groove has been seted up to the right-hand member of terminal surface before the box, the sliding tray has been seted up to the upper end of first joint groove, the inside sliding connection of sliding tray has the spliced pole, the preceding terminal surface fixed connection sliding block of spliced pole, first joint piece joint is to the inside of first joint groove, the spliced pole is pegged graft to the spliced groove of first joint piece upper end.

Further, transparent windows are installed on the outer side of the box body and the front end face of the front cover, radiating windows are arranged on the left end face and the right end face of the box body, and the radiating windows are located at the lower ends of the transparent windows.

Further, the upper end face of the box body is fixedly connected with the top cover, and the top cover is arranged to be inclined planes inclined on four sides.

Further, the lower end face of the box body is fixedly connected with the base, and fixing holes are formed in four corners of the upper end face of the base.

Further, the inside of box is provided with annular insulating layer, the up end of box is provided with thermal-insulated top layer, and thermal-insulated top layer is located the lower extreme of top cap.

The invention has the beneficial effects that: according to the electrical equipment terminal box, the installation frame is fixedly connected to the inside of the box body, the insulating protection cover is installed in the installation frame, the terminal strip is placed in the insulating protection cover, the installation strip is isolated from the inner space of the box body through the installation strip, so that the terminal strip cannot be accessed by high-humidity air, the baffle is fixedly connected to the left end of the upper end face of the installation strip, the sealing strip is arranged on the left end face of the baffle, the sealing strip is clamped with the sealing groove, the installation strip is fixed to the upper end of the insulating protection cover through the bolt rod, and the insulating effect of the insulating protection cover can be further enhanced, so that the effect of protecting the terminal strip from high-humidity air is achieved.

A plurality of lower fixed half ring grooves are formed in the upper end of the right end face of the insulating protective cover, an upper fixed half ring groove is formed in the lower end face of the mounting strip, rubber rings are mounted in the upper fixed half ring groove and the lower fixed half ring groove through the inner parts of the upper fixed half ring groove and the lower fixed half ring groove, and a wire is fixed through the rubber rings in the upper fixed half ring groove and the lower fixed half ring groove, so that the insulating protective cover is completely sealed with the outside, and the dustproof effect can be achieved while the terminal strip insulation is enhanced.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a schematic view of a structure of a terminal box of an electrical apparatus according to the present invention;

fig. 2 is a cross-sectional view of a housing of a terminal housing of an electrical apparatus according to the present invention;

FIG. 3 is a schematic view of a mounting bracket for an electrical equipment terminal box according to the present invention;

FIG. 4 is a schematic view of a mounting bar of an electrical equipment terminal box of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

FIG. 6 is a partial enlarged view at B in FIG. 4;

fig. 7 is a partial enlarged view at C in fig. 3.

In the figure: 1-box, 2-rectangular sealing groove, 3-front cover, 4-rectangular sealing strip, 5-first clamping block, 6-inserting groove, 7-connecting block, 8-transparent window, 9-top cover, 10-sliding groove, 11-sliding block, 12-inserting column, 13-first clamping groove, 14-radiating window, 15-base, 16-fixed hole, 17-annular heat insulation layer, 18-heat insulation top layer, 19-mounting block, 20-mounting frame, 21-second clamping groove, 22-insulating protective cover, 23-baffle, 24-mounting strip, 25-threaded rod, 26-upper fixing half ring groove, 27-threaded hole, 28-lower fixing half ring groove, 29-second clamping block, 30-sealing strip, 31-drawing rod, 32-lifting rod, 33-reset spring, 34-sealing groove, 35-rubber ring, 36-fixed block and 37-through hole.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides an electrical equipment terminal box, the mounting bracket 20 is installed to the inside both sides of box 1, mounting bracket 20 passes through mounting block 19 and the inner wall fixed connection of box 1, install a plurality of insulating safety cover 22 on the mounting bracket 20, a plurality of lower fixed semi-ring groove 28 have been seted up to one side of insulating safety cover 22 far away from the inner wall of box 1, the up end of insulating safety cover 22 is provided with mounting bar 24, one side fixed connection second joint piece 29 of mounting bracket 20 is pressed close to mounting bar 24, second joint piece 29 joint is in the second joint groove 21 inside of seting up on mounting bracket 20, one side fixed connection baffle 23 of mounting bar 24 is pressed close to mounting bar 24, the right-hand member of baffle 23 is provided with lifting rod 32, lifting rod 32's left end face fixed connection extraction rod 31, and lifting rod 32's left end face fixed connection a plurality of reset spring 33, extraction rod 31 passes the left end face fixed connection sealing strip 30 of baffle 23, sealing strip 30 and the seal groove 34 looks joint of mounting bracket 20 right-hand member face seting up, the lower terminal surface of mounting bar 24 has seted up a fixed semi-ring groove 26, the terminal groove 26 and lower fixed semi-ring groove 28, the inside of mounting bar 24 is cut up, the inside mounting bar 24 is pressed close to one side fixed connection baffle 20, one side fixed connection baffle 23 is fixed with one side fixed connection baffle 23, the right-side fixed connection baffle plate 23 is provided with a left end fixed connection of lifting rod 35, the left end fixed ring groove 35, the upper end of lifting rod is provided with a fixed semi-ring groove 24, the upper ring groove 24 is provided with a fixed ring groove 24, the upper end 35, the upper end fixed through the upper end fixed protection cover 24 has a fixed ring groove 24 and a fixed ring groove 24, the upper end through the fixed ring 35, the fixed ring has a screw hole through the fixed ring groove 35, the fixed ring and fixed ring 24, the upper end through the fixed ring 24 and fixed ring 24, the fixed ring has the fixed ring groove through the fixed ring and fixed ring 24.

The left end rotation of terminal surface is connected with protecgulum 3 before the box 1, and rectangular seal groove 2 has been seted up to the preceding terminal surface of box 1, and the rear end face fixed connection rectangular seal strip 4 of protecgulum 3, and rectangular seal strip 4 and the rectangular seal groove 2 looks joint of terminal surface before the box 1 for can effectually seal the clearance of protecgulum 3 and box 1.

The connecting block 7 is installed to the right-hand member face of protecgulum 3, the first joint piece 5 of right-hand member face fixed connection of connecting block 7, grafting groove 6 has been seted up to the up end of first joint piece 5, first joint groove 13 has been seted up to the right-hand member of terminal surface before the box 1, sliding groove 10 has been seted up to the upper end of first joint groove 13, sliding connection has spliced pole 12 in the inside of sliding groove 10, the preceding terminal surface fixed connection sliding block 11 of spliced pole 12, the inside of first joint piece 5 joint to first joint groove 13, spliced pole 12 is pegged graft to in the grafting groove 6 of first joint piece 5 upper end, be convenient for fix protecgulum 3.

Transparent window 8 is all installed to the front end face of the outside of box 1 and protecgulum 3, and the left end face and the right-hand member face of box 1 all are provided with heat dissipation window 14, and heat dissipation window 14 is located the lower extreme of transparent window 8.

The upper end face of the box body 1 is fixedly connected with the top cover 9, and the top cover 9 is arranged to be inclined planes inclined on four sides, so that quick drainage can be realized.

The lower end face of the box body 1 is fixedly connected with a base 15, and fixing holes 16 are formed in four corners of the upper end face of the base 15, so that the whole installation is convenient.

The inside of box 1 is provided with annular insulating layer 17, and the up end of box 1 is provided with thermal-insulated top layer 18, and thermal-insulated top layer 18 is located the lower extreme of top cap 9 for can reduce the influence of inside and outside difference in temperature.

The specific embodiment is as follows: when the terminal box of the electrical equipment is installed, the terminal box of the electrical equipment is firstly fixed at a designated position through the base 15 and the fixing hole 16 at the bottom end of the box body 1, then the insulating protective cover 22 is placed on the mounting frame 20, the terminal strip is placed inside the insulating protective cover 22 at the moment, then the whole mounting frame 20 is fixed inside the box body 1 through the mounting block 19, the wires extend to the terminal strip inside the insulating protective cover 22 through the lower fixing half ring groove 28, the terminal strip can be electrically connected with the electrical equipment through the wires, then the mounting strip 24 is moved downwards through the second clamping groove 21 by hand, at the moment, the sealing strip 30 fixedly connected with one side of the whip rod 31 is clamped inside the sealing groove 34 by pulling the pulling pull rod 32, and then the threaded rod 25 passes through the through hole 37 at the upper end face of the mounting table to the inside the threaded hole 27 at the upper end face of the insulating protective cover 22, so that the mounting strip 24 can be completely installed at the upper end of the insulating protective cover 22.

Through all installing rubber ring 35 in the inside of last fixed half annular 26 and lower fixed half annular 28 for can laminate rubber ring 35 with the crust of wire, make can tight shutoff insulating safety cover 22 and outside space, can play dirt-proof effect when reaching the reinforcing terminal strip insulation with this.

While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An electrical equipment terminal box, characterized in that: the inside both sides of box (1) are installed mounting bracket (20), mounting bracket (20) are through the inner wall fixed connection of installation piece (19) and box (1), install a plurality of insulating safety cover (22) on mounting bracket (20), a plurality of lower fixed semi-ring groove (28) have been seted up to one side that box (1) inner wall was kept away from to insulating safety cover (22), the up end of insulating safety cover (22) is provided with installation strip (24), one side fixed connection second joint piece (29) of mounting bracket (20) are pressed close to installation strip (24), second joint piece (29) joint is inside second joint groove (21) of seting up on mounting bracket (20), one side fixed connection baffle (23) of mounting bracket (20) are pressed close to installation strip (24) up end, the right-hand member of baffle (23) is provided with lifting rod (32), the left end face fixed connection pumping rod (31) of lifting rod (32), and lifting rod (32) left end face fixed connection a plurality of reset springs (24), the up end face (33) are equipped with sealing strip (30) are seted up with on the sealing strip (30) of sealing strip (30), rubber rings (35) are arranged in the upper fixing half ring groove (26) and the lower fixing half ring groove (28), the rubber rings (35) are arranged in the upper fixing half ring groove (26) and the lower fixing half ring groove (28) through fixing blocks (36), two through holes (37) are formed in the upper end face of the mounting strip (24), threaded holes (27) are formed in the insulating protection cover (22) at the right lower end of the mounting strip (24), and the mounting strip (24) is fixed on the upper end face of the insulating protection cover (22) through threaded rods (25);

the left end of the front end face of the box body (1) is rotationally connected with a front cover (3), the front end face of the box body (1) is provided with a rectangular sealing groove (2), the rear end face of the front cover (3) is fixedly connected with a rectangular sealing strip (4), and the rectangular sealing strip (4) is clamped with the rectangular sealing groove (2) of the front end face of the box body (1); connecting block (7) are installed to the right-hand member face of protecgulum (3), first joint piece (5) of right-hand member face fixed connection of connecting block (7), spliced groove (6) have been seted up to the up end of first joint piece (5), first joint groove (13) have been seted up to the right-hand member of terminal surface before box (1), sliding groove (10) have been seted up to the upper end of first joint groove (13), the inside sliding connection of sliding groove (10) has spliced pole (12), preceding terminal surface fixed connection sliding block (11) of spliced pole (12), the inside of first joint groove (13) is pegged graft to first joint piece (5) upper end in spliced groove (6) of spliced pole (12).

2. An electrical equipment terminal box according to claim 1, wherein: transparent window (8) are all installed to the preceding terminal surface of the outside of box (1) and protecgulum (3), the left end face and the right-hand member face of box (1) all are provided with heat dissipation window (14), and heat dissipation window (14) are located the lower extreme of transparent window (8).

3. An electrical equipment terminal box according to claim 1, wherein: the upper end face of the box body (1) is fixedly connected with the top cover (9), and the top cover (9) is provided with inclined planes inclined on four sides.

4. An electrical equipment terminal box according to claim 1, wherein: the lower end face of the box body (1) is fixedly connected with a base (15), and fixing holes (16) are formed in four corners of the upper end face of the base (15).

5. An electrical equipment terminal box according to claim 1, wherein: the inside of box (1) is provided with annular insulating layer (17), the up end of box (1) is provided with thermal-insulated top layer (18), and thermal-insulated top layer (18) are located the lower extreme of top cap (9).