CN113594889A

CN113594889A - Electrical equipment terminal box

Info

Publication number: CN113594889A
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: 2021-11-02
Anticipated expiration: 2041-07-19
Also published as: CN113594889B

Abstract

The invention provides an electrical equipment terminal box, wherein mounting frames are arranged on two sides of the interior 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 protective covers are arranged on the mounting frames, a plurality of lower fixing semi-ring grooves are formed in one side, away from the inner wall of the box body, of each insulating protective cover, a mounting strip is arranged on the upper end surface of each insulating protective cover, one side, close to the mounting frames, of each mounting strip is fixedly connected with a second clamping block, the second clamping blocks are clamped in the second clamping grooves formed in the mounting frames, one side, close to the mounting frames, of the upper end surface of each mounting strip is fixedly connected with a baffle plate, a lifting rod is arranged at the right end of each baffle plate, and the left end surface of each lifting rod is fixedly connected with a pumping rod. The terminal strip can be enhanced in insulation and can also play a dustproof role.

Description

Electrical equipment terminal box

Technical Field

The invention discloses a terminal box of electrical equipment, and belongs to the field of electricity.

Background

The rainy season in southern coastal province is long, the air humidity is large, and particularly in typhoon weather, the phenomenon that outdoor electrical equipment terminal boxes and mechanism boxes are wetted by water frequently occurs. At present, accidents such as direct-current grounding short circuit, switch malfunction, false alarm signals, secondary element damage and the like caused by moisture have occurred, and the safe operation of electrical equipment is seriously influenced.

For historical reasons, the terminal box and the mechanism box are generally regarded as a simple container and are rarely paid enough attention, the process equipment is simple and crude, the processing is rough, and the box body in operation has various problems which are mainly shown in the following aspects.

The box body is poor in material quality, unreasonable in structural design and easy to corrode and feed water.

Secondly, the installation on site is unreasonable, the plugging is not tight, and the water vapor is poured into the cable trench, the cable groove box or the vent hole.

The box internal design is poor, and the dampproofing design of dehumidification is unreasonable, and heating device configuration is improper, leads to inside condensation.

The above factors may cause the hidden troubles of short circuit and damage of electrical devices caused by the influence of high humidity air on the terminal strip inside the box body, 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 a terminal box of electrical equipment, which aims to solve the problems that the box body in the prior art is poor in material quality, unreasonable in structural design and easy to rust and enter water. Secondly, the installation on site is unreasonable, the plugging is not tight, and the water vapor is poured into the cable trench, the cable groove box or the vent hole. The box internal design is poor, and the dampproofing design of dehumidification is unreasonable, and heating device disposes inappropriately, leads to inside condensation, and above several kinds of factors will lead to the inside terminal strip of box to receive highly humid air's influence and appear the problem of short circuit and damage the hidden danger that electrical setting set up.

In order to achieve the purpose, the invention is realized by the following technical scheme: an electrical equipment terminal box, wherein mounting racks are arranged on two sides of the interior of a box body, the mounting racks are fixedly connected with the inner wall of the box body through mounting blocks, a plurality of insulating protective covers are arranged on the mounting racks, a plurality of lower fixing semi-ring grooves are formed in one side, away from the inner wall of the box body, of each insulating protective cover, a mounting strip is arranged on the upper end face of each insulating protective cover, one side, close to the mounting racks, of each mounting strip is fixedly connected with a second clamping block, the second clamping blocks are clamped in second clamping grooves formed in the mounting racks, one side, close to the mounting racks, of the upper end face of each mounting strip is fixedly connected with a baffle plate, a lifting rod is arranged on the right end face of each baffle plate, the left end face of each lifting rod is fixedly connected with a pumping rod, the left end face of each lifting rod is fixedly connected with a plurality of reset springs, the pumping rod penetrates through the left end face of each baffle plate to be fixedly connected with the sealing strips, the sealing strips are clamped with sealing grooves formed in the right end face of the mounting racks, the utility model discloses a mounting bar, including mounting bar, fixed semicircular groove, rubber ring, fixed semicircular groove, fixed semicircular groove, fixed semicircular groove, fixed groove.

Further, the left end of terminal surface rotates before the box and is connected with the protecgulum, the rectangle seal groove has been seted up to the preceding terminal surface of box, the rear end face fixed connection rectangle sealing strip of protecgulum, and the rectangle sealing strip and the rectangle 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 inserting 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 in first joint groove, the inside sliding connection of sliding tray has the grafting post, the preceding terminal surface fixed connection sliding block of grafting post, first joint piece joint is to the inside in first joint groove, the grafting post is inserted and is connected to the inserting groove of first joint piece upper end.

Further, the transparent window is all installed to the outside of box and the preceding terminal surface of protecgulum, the left end face and the right-hand member face of box all are provided with the heat dissipation window, and the heat dissipation window is located the lower extreme of transparent window.

Furthermore, the upper end face of the box body is fixedly connected with a top cover, and the top cover is an inclined plane inclined at four sides.

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

Furthermore, 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 mounting frame is fixedly connected inside the box body, the insulating protective cover is arranged inside the mounting frame, the terminal row is placed inside the insulating protective cover, the mounting bar is isolated from the inner space of the box body through the mounting bar, so that the situation that high-humidity air cannot approach the terminal row can be guaranteed, the baffle plate is fixedly connected to the left end of the upper end face of the mounting bar, the sealing strip is arranged on the left end face of the baffle plate, the sealing strip is clamped with the sealing groove, and the mounting bar is fixed to the upper end of the insulating protective cover through the bolt rod, so that the insulating effect of the insulating protective cover can be further enhanced, and the effect of protecting the terminal row from the high-humidity air is achieved.

Through having seted up a plurality of fixed semi-annular grooves down in the upper end of insulating safety cover right-hand member face, and seted up fixed semi-annular groove at the lower terminal surface of mounting bar, the internally mounted of rethread at last fixed semi-annular groove and fixed semi-annular groove down has the rubber ring, and fixes the wire through the inside rubber ring of last fixed semi-annular groove and fixed semi-annular groove down for insulating safety cover completely seals with the external world, can play dirt-proof effect when reaching here and strengthening terminal row insulating.

Drawings

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

FIG. 1 is a schematic structural view 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 box of an electrical apparatus of the present invention;

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

FIG. 4 is a schematic view of a mounting bar of a terminal box of an electrical apparatus 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 of the portion B in FIG. 4;

fig. 7 is a partially enlarged view of C in fig. 3.

In the figure: 1-box body, 2-rectangular sealing groove, 3-front cover, 4-rectangular sealing strip, 5-first clamping block, 6-splicing groove, 7-connecting block, 8-transparent window, 9-top cover, 10-sliding groove, 11-sliding block, 12-splicing column, 13-first clamping groove, 14-heat dissipation window, 15-base, 16-fixing 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-a pulling rod, 32-a lifting rod, 33-a return spring, 34-a sealing groove, 35-a rubber ring, 36-a fixing block and 37-a through hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-7, the present invention provides a technical solution: a terminal box of electrical equipment, wherein mounting frames 20 are arranged on two sides inside a box body 1, the mounting frames 20 are fixedly connected with the inner wall of the box body 1 through mounting blocks 19, a plurality of insulating protective covers 22 are arranged on the mounting frames 20, a plurality of lower fixing semi-ring grooves 28 are arranged on one sides of the insulating protective covers 22 far away from the inner wall of the box body 1, mounting strips 24 are arranged on the upper end faces of the insulating protective covers 22, one sides of the mounting strips 24 close to the mounting frames 20 are fixedly connected with second clamping blocks 29, the second clamping blocks 29 are clamped inside second clamping grooves 21 arranged on the mounting frames 20, one sides of the upper end faces of the mounting strips 24 close to the mounting frames 20 are fixedly connected with baffle plates 23, lifting rods 32 are arranged at the right ends of the baffle plates 23, pumping rods 31 are fixedly connected with the left end faces of the lifting rods 32, a plurality of return springs 33 are fixedly connected with the left end faces of the lifting rods 32, the pumping rods 31 pass through sealing strips 30 which are fixedly connected with the left end faces of the baffle plates 23, sealing groove 34 looks joint that sealing strip 30 and mounting bracket 20 right-hand member face were seted up, a fixed semi-ring groove 25 on has been seted up to the lower terminal surface of mounting bar 24, go up fixed semi-ring groove 25 and the inside of fixed semi-ring groove 28 down all installs rubber ring 35, rubber ring 35 passes through fixed block 36 and installs at the inside of fixed semi-ring groove 25 under and fixed semi-ring groove 28, two through-holes 37 have been seted up to the up end of mounting bar 24, set up threaded hole 27 on the insulating safety cover 22 of lower extreme under the mounting bar 24, mounting bar 24 passes through threaded rod 25 and fixes mounting bar 24 at the up end of insulating safety cover 22, make and conveniently fix mounting bar 24 in the upper end of insulating safety cover 22.

The left end of terminal surface rotates before box 1 and is connected with protecgulum 3, and rectangle seal groove 2 has been seted up to the preceding terminal surface of box 1, the rear end face fixed connection rectangle sealing strip 4 of protecgulum 3, and rectangle sealing strip 4 and the 2 looks joints of rectangle seal groove 2 of terminal surface before box 1 for can effectual sealed protecgulum 3 and box 1's clearance.

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, inserting 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 tray 10 has been seted up to the upper end of first joint groove 13, sliding tray 10's inside sliding connection has inserting column 12, inserting column 12's preceding terminal surface fixed connection sliding block 11, first joint piece 5 joint is to the inside in first joint groove 13, inserting column 12 is inserted and is connected to the inserting groove 6 of first joint piece 5 upper end, be convenient for fix protecgulum 3.

Transparent window 8 is all installed to the outside of box 1 and the preceding terminal surface of 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 an inclined plane inclined at four sides, so that water can be drained quickly.

The lower terminal surface fixed connection base 15 of box 1, the four corners position of base 15 up end has seted up fixed orifices 16, is convenient for install holistic setting.

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 the inside and outside difference in temperature.

The specific implementation mode is as follows: when the terminal box of the electrical equipment is installed, firstly, the terminal box of the electrical equipment is 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, at this time, the terminal row is placed inside the insulating protective cover 22, then the integral mounting frame 20 is fixed inside the box body 1 through the mounting block 19, a lead is extended to the terminal row inside the insulating protective cover 22 through the lower fixing half ring groove 28, so that the terminal row and the electrical equipment can be electrically connected through the lead, then the mounting bar 24 is moved downwards through the second clamping groove 21 by hand, at this time, the sealing strip 30 fixedly connected to one side of the pulling rod 31 is pulled by hand through the pulling rod 32, then the sealing strip 30 is clamped inside the sealing groove 34, and then the threaded rod 25 is inserted into the threaded hole 27 of the upper end face of the insulating protective cover 22 through the through hole 37 of the upper end face of the mounting table, so that the mounting bar 24 can be completely mounted on the upper end of the insulating protection cover 22.

The rubber rings 35 are arranged in the upper fixing semi-ring groove 25 and the lower fixing semi-ring groove 28, so that the rubber rings 35 can be attached to the outer skin of the lead, the space between the insulating protection cover 22 and the outside can be tightly sealed, and the dustproof function can be achieved while the insulation of the terminal row is enhanced.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, 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 is capable of 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An electrical equipment terminal box characterized in that: mounting bracket (20) is installed to the inside both sides of box (1), mounting bracket (20) is 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 fixed semi-ring grooves (28) down 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 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 inside second joint groove (21) seted up on mounting bracket (20), one side fixed connection baffle (23) of mounting bracket (20) is pasted to mounting bar (24) up end, the right-hand member of baffle (23) is provided with lifting rod (32), the left end fixed connection pulling rod (31) of lifting rod (32), the left end surface of the lifting rod (32) is fixedly connected with a plurality of reset springs (33), the pulling rod (31) penetrates through the left end surface of the baffle plate (23) and is fixedly connected with a sealing strip (30), the sealing strip (30) is clamped with a sealing groove (34) arranged on the right end surface of the mounting rack (20), the lower end surface of the mounting bar (24) is provided with an upper fixed semi-ring groove (25), rubber rings (35) are arranged in the upper fixing semi-ring groove (25) and the lower fixing semi-ring groove (28), the rubber ring (35) is arranged inside the upper fixing semi-ring groove (25) and the lower fixing semi-ring groove (28) through a fixing block (36), two through holes (37) are arranged on the upper end surface of the mounting bar (24), a threaded hole (27) is arranged on the insulating protective cover (22) right below the mounting bar (24), the mounting bar (24) is fixed on the upper end face of the insulating protection cover (22) through a threaded rod (25).

2. An electrical equipment terminal box according to claim 1, wherein: the left end of terminal surface rotates before box (1) and is connected with protecgulum (3), rectangle seal groove (2) have been seted up to the preceding terminal surface of box (1), the rear end face fixed connection rectangle sealing strip (4) of protecgulum (3), and rectangle sealing strip (4) and box (1) preceding terminal surface rectangle seal groove (2) looks joint.

3. An electrical equipment terminal box according to claim 1, wherein: connecting block (7) are installed to the right-hand member face of protecgulum (3), the first joint piece of right-hand member face fixed connection (5) of connecting block (7), inserting 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 tray (10) have been seted up to the upper end of first joint groove (13), the inside sliding connection of sliding tray (10) has inserting column (12), preceding terminal surface fixed connection sliding block (11) of inserting column (12), first joint piece (5) joint is to the inside in first joint groove (13), inserting column (12) joint is in inserting groove (6) of first joint piece (5) upper end.

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

5. An electrical equipment terminal box according to claim 1, wherein: the upper end face of the box body (1) is fixedly connected with a top cover (9), and the top cover (9) is an inclined plane inclined at four sides.

6. 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 four corners of the upper end face of the base (15) are provided with fixing holes (16).

7. An electrical equipment terminal box according to claim 1, wherein: the novel solar water heater is characterized in that an annular heat insulation layer (17) is arranged inside the box body (1), a heat insulation top layer (18) is arranged on the upper end face of the box body (1), and the heat insulation top layer (18) is located at the lower end of the top cover (9).