CN210006682U - kinds of circuit breakers - Google Patents

Abstract

The utility model discloses an circuit breakers, including circuit breaker body and fixing bolt, the multiunit the circuit breaker body passes through multiunit fixing bolt to be fixed at the box inner wall, the front end of box is connected with case through the rotation of spring hinge, be provided with the wire arrangement device of the wire of fixed circuit breaker body in the box, and the logical line hole that the box was passed to the end in addition of wire, the circular recess of establishing is dug to the both sides of box all installs air breather, install the trick lock that is used for being connected with the box on the case , the front end of case is dug and is equipped with two sets of rectangle recesses that set up side by side, and rectangle recess inner wall bonds through the viscose has the glass window, the draw-in groove that is used for the push-and-pull is dug to the front end of case , it includes fixed plate, fly leaf, cardboard and slide to put the device, the fixed plate is connected with the box through two sets of connecting bolt, the front.

Description

kinds of circuit breakers

Technical Field

The utility model belongs to the technical field of the circuit breaker, concretely relates to kinds of circuit breakers.

Background

The breaker is divided into high-voltage breaker and low-voltage breaker according to its application range, the high-voltage and low-voltage boundary lines are divided into fuzzy, the high-voltage electrical appliance over 3kV is called as breaker, the breaker can be used for distributing electric energy, the asynchronous motor is not frequently started, the power line and motor are protected, when they have serious overload or short-circuit and under-voltage faults, the circuit can be automatically cut off, its function is equivalent to the combination of fuse type switch and over-under-heat relay, etc. and after the fault current is cut off the zero component is not required to be changed, at present, general application is obtained, the generation, transmission and use of electricity are very important links.

Therefore, in view of the current situation, circuit breakers are urgently needed to be designed and produced to meet the requirements of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of circuit breakers to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides an kinds of circuit breakers, including circuit breaker body and fixing bolt, the multiunit the circuit breaker body passes through multiunit fixing bolt to be fixed at the box inner wall, the front end of box is connected with case through the rotation of spring hinge, be provided with the traditional thread binding putting of wire of fixed circuit breaker body in the box, and the other end of wire passes the through-wire hole of box, the circular recess that the both sides of box were dug established all installs breather.

Preferably, a coded lock used for being connected with the box body is installed on the box , two groups of rectangular grooves arranged in parallel are dug at the front end of the box , glass windows are bonded on the inner walls of the rectangular grooves through viscose, and a clamping groove used for pushing and pulling is dug at the front end of the box .

Preferably, the setting device includes fixed plate, fly leaf, cardboard and slide, the fixed plate is connected with the box through two sets of connecting bolt, the front end of fixed plate is provided with the fly leaf, adjacent side between fixed plate and the fly leaf all has the rubber slab through the viscose bonding, and the adjacent side between two sets of rubber slabs all digs the semiellipse circular groove that is equipped with multiunit equidistance and arranges, the side that two sets of symmetries of fixed plate set up all welds two sets of cardboards that set up side by side, the side that two sets of symmetries of fly leaf set up all welds two sets of slides that set up side by side, and the slider of slide digs the spout sliding connection who establishes at the cardboard, through the extension spring who bonds between slider and the.

Preferably, ventilation unit includes pipe, mount and flip, the side of pipe is provided with the circular shape mount, and the mount passes through horizontal bolt and is connected with the box, the inner wall of mount has the filter screen through the viscose bonding, and the mount setting is at the box inner chamber, side in addition of pipe is connected with flip through spring hinge rotation, flip's side has the stopper that can plug up the pipe through the viscose bonding.

Preferably, the bottom of box is provided with the backup pad, the vertical section of backup pad sets up to the L style of calligraphy, connect through welded inclined supporting plate between the vertical portion and the horizontal portion of backup pad, the horizontal portion of backup pad is connected with the box through countersunk head bolt, the vertical portion of backup pad still digs and is equipped with two sets of through-holes that supply countersunk head bolt to pass.

The utility model discloses a technological effect and advantage: according to the circuit breaker, the two groups of rubber plates of the wire arrangement device can compress the wires by utilizing the tension force of the extension spring, and the wires are reasonably arranged, so that the wires can be conveniently identified and sorted in the subsequent maintenance process; the filter screen of the ventilation device can filter air, the possibility that large-particle dust enters the box body along with the air is reduced, the fixing frame is installed and disassembled by utilizing the transverse bolt, the filter screen is convenient to clean, and when ventilation is not needed, the turnover cover can be rotated, so that the plug plugs the circular pipe; the backup pad can be with box and wall fixed connection, and the backup pad can promote the stability of backup pad to one side, and this circuit breaker is convenient for put the line maintenance, makes things convenient for the used jointly of multiunit instrument.

Drawings

Fig. 1 is a front view of the present invention in an open state of the box ;

fig. 2 is a schematic structural view of the wire placing device of the present invention;

fig. 3 is a cross-sectional view of the aerator of the present invention.

In the figure, 1, a breaker body, 2 fixing bolts, 3 box bodies, 4 boxes , 5 wire arrangement devices, 6 ventilation devices, 7 fixing plates, 8 movable plates, 9 clamping plates, 10 sliding plates, 11 round tubes, 12 fixing frames, 13 flip covers, 14 plugs, 15 supporting plates, 16 inclined supporting plates and 17 countersunk bolts.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.

Unless otherwise indicated by a separate definition, all references herein to upper, lower, left, right, front, rear, inner and outer directions are to be taken as references to upper, lower, left, right, front, rear, inner and outer directions in the drawings of the present invention, herein and described.

The utility model provides a kinds of circuit breakers as shown in fig. 1-3, including circuit breaker body 1 and fixing bolt 2, the multiunit circuit breaker body 1 passes through multiunit fixing bolt 2 to be fixed at the 3 inner walls of box, the front end of box 3 is connected with case 4 through the rotation of spring hinge, be provided with the traditional thread binding putting device 5 of the wire of fixed circuit breaker body 1 in the box 3, and the other end of wire passes the through-wire hole of box 3, the circular recess of establishing is dug to the both sides of box 3 all installs breather 6.

Specifically, install on case 4 and be used for the trick lock be connected with box 3, the front end of case 4 is dug and is equipped with two sets of rectangle recesses that set up side by side, and the rectangle recess inner wall has the glass window through the viscose bonding, is convenient for observe circuit breaker body 1 from the external world, the front end of case 4 is dug and is equipped with the draw-in groove that is used for the push-and-pull (the draw-in groove is not seen).

Specifically, the thread placing device 5 comprises a fixed plate 7, a movable plate 8, clamping plates 9 and sliding plates 10, wherein the fixed plate 7 is connected with the box body 3 through two groups of connecting bolts, the movable plate 8 is arranged at the front end of the fixed plate 7, rubber plates are bonded on the adjacent side surfaces between the fixed plate 7 and the movable plate 8 through adhesive, a plurality of groups of semi-elliptical grooves which are arranged at equal intervals are dug on the adjacent side surfaces between the two groups of rubber plates, two groups of clamping plates 9 which are arranged side by side are welded on the two groups of symmetrically arranged side surfaces of the fixed plate 7, two groups of sliding plates 10 which are arranged side by side are welded on the two groups of symmetrically arranged side surfaces of the movable plate 8, sliding blocks of the sliding plates 10 are connected in sliding grooves dug by the clamping plates 9 to avoid the disorder movement of the movable plate 8, the sliding blocks are connected with the, so that the movable plate 8 and the fixed plate 7 are in close contact.

Specifically, breather 6 includes pipe 11, mount 12 and flip 13, the side of pipe 11 is provided with circular shape mount 12, and mount 12 is connected with box 3 through horizontal bolt, and the filter screen is convenient for install and dismantle, conveniently washs, the inner wall of mount 12 bonds through the viscose has the filter screen, and the filter screen sets up to the dust screen, and mount 12 sets up at the 3 inner chambers of box, side in addition of pipe 11 is connected with flip 13 through spring hinge rotation, flip 13's side bonds through the viscose has the stopper 14 that can plug up pipe 11, plugs up pipe 11 when being convenient for close the gas.

Specifically, the bottom of box 3 is provided with backup pad 15, the vertical section of backup pad 15 sets up to the L style of calligraphy, connect through welded fagging 16 to one side between the vertical portion of backup pad 15 and the horizontal portion, fagging 16 can promote the stability of backup pad 15 to one side, the horizontal portion of backup pad 15 is connected with box 3 through countersunk head bolt 17, the vertical portion of backup pad 15 still digs and is equipped with two sets of through-holes that supply countersunk head bolt 17 to pass, be convenient for with the wall connection of assigned position.

Specifically, this circuit breaker utilizes countersunk bolt 17 to install box 3 at the assigned position, utilizes fixing bolt 2 to connect multiunit circuit breaker body 1 in box 3 to pulling fly leaf 8, place the wire of circuit breaker body 1 between fly leaf 8 and fixed plate 7, loosen fly leaf 8, utilize extension spring to make fly leaf 8 and fixed plate 7 compress tightly the wire, and pass the wire through-hole of box 3 with the wire, close case 4 and trick lock, and observe the circuit breaker body 1 condition through the glass window.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (5)

1. The circuit breakers comprise circuit breaker bodies (1) and fixing bolts (2), and are characterized in that a plurality of groups of circuit breaker bodies (1) are fixed on the inner wall of a box body (3) through the plurality of groups of fixing bolts (2), the front end of the box body (3) is rotatably connected with a box (4) through a spring hinge, a wire placing device (5) for fixing a wire of the circuit breaker bodies (1) is arranged in the box body (3), the other end of the wire penetrates through a wire through hole of the box body (3), and ventilating devices (6) are arranged in circular grooves dug at two sides of the box body (3).
2. 2. The kinds of circuit breakers of claim 1, wherein a coded lock for connecting with the box body (3) is installed on the box (4), two sets of rectangular grooves arranged in parallel are dug at the front end of the box (4), glass windows are bonded on the inner walls of the rectangular grooves through adhesives, and a clamping groove for pushing and pulling is dug at the front end of the box (4).
3. 3. The circuit breaker according to claim 1, wherein the wire arranging device (5) comprises a fixed plate (7), a movable plate (8), clamping plates (9) and sliding plates (10), the fixed plate (7) is connected with the box body (3) through two sets of connecting bolts, the movable plate (8) is arranged at the front end of the fixed plate (7), rubber plates are bonded on adjacent sides between the fixed plate (7) and the movable plate (8) through adhesives, multiple sets of semi-elliptical grooves arranged at equal intervals are dug on adjacent sides between the two sets of rubber plates, two sets of clamping plates (9) arranged side by side are welded on two sets of symmetrically arranged sides of the fixed plate (7), two sets of sliding plates (10) arranged side by side are welded on two sets of symmetrically arranged sides of the movable plate (8), sliding blocks of the sliding plates (10) are connected in sliding grooves dug in the clamping plates (9), and the sliding blocks are connected with the fixed plate (7) through bonded extension springs.
4. 4. The circuit breaker of claim 1, wherein the venting device (6) includes a circular tube (11), a fixed mount (12) and a flip (13), the side of the circular tube (11) is provided with the circular fixed mount (12), the fixed mount (12) is connected with the box (3) through a transverse bolt, the inner wall of the fixed mount (12) is bonded with a filter screen through adhesive, the fixed mount (12) is arranged in the inner cavity of the box (3), the other side of the circular tube (11) is rotatably connected with the flip (13) through a spring hinge, and the side of the flip (13) is bonded with a plug (14) capable of plugging the circular tube (11) through adhesive.
5. 5. The circuit breaker according to claim 1, wherein a support plate (15) is disposed at the bottom end of the box (3), the vertical section of the support plate (15) is L-shaped, the vertical portion and the horizontal portion of the support plate (15) are connected by a welded inclined support plate (16), the horizontal portion of the support plate (15) is connected with the box (3) by a countersunk head bolt (17), and two sets of through holes for the countersunk head bolt (17) to pass through are dug in the vertical portion of the support plate (15).

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