CN213519800U - Combined miniature circuit breaker - Google Patents

Abstract

The utility model discloses a combined miniature circuit breaker, including installation framework, circuit breaker body and dead lever, the fixed block is installed to the equidistant bottom of installation framework, and the top of fixed block is provided with the circuit breaker body, circuit breaker body bottom seted up with fixed block assorted fixed slot, and the both sides of fixed slot have all seted up the arc wall, the mounting groove has all been seted up to the top and the bottom of circuit breaker body, one side of circuit breaker body all is provided with the installation piece, and the outer wall and the mounting groove phase-match of installation piece, the through-hole has been seted up to the inside of installation piece, the cross recess has all been seted up to the one end of circuit breaker body. This combined miniature circuit breaker inserts in the mounting groove of another group circuit breaker body through the installation piece, then loosens the handle, then drives the dead lever under first spring self elastic action and inserts the through-hole and fix with circuit breaker body looks block, is convenient for splice the combination fast between two sets of circuit breaker bodies.

Description

Combined miniature circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is a combined miniature circuit breaker.

Background

A circuit breaker generally refers to a switching device that can close, carry, and break a current under normal or abnormal circuit conditions, and generally includes a contact system, an arc extinguishing system, an operating mechanism, a trip, a case, and the like, and is divided into: the traditional combined miniature circuit breaker can basically meet the use requirements of people, but still has certain problems, and the specific problems are as follows:

1. most of combined miniature circuit breakers in the current market are inconvenient to splice, assemble and use among the circuit breakers when in use, so that operators need to consume a large amount of time and energy to fix a plurality of groups of circuit breakers, and the conditions of long working time and low working efficiency are met;

2. most of combined miniature circuit breakers in the current market are inconvenient to install and inconvenient for operators to overhaul and maintain the circuit breaker when being used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combined miniature circuit breaker to the problem that the equipment of splicing between the circuit breaker and use and the operating personnel of being not convenient for carry out daily maintenance and maintenance to the circuit breaker that proposes among the above-mentioned background of the solution is not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: a combined miniature circuit breaker comprises an installation frame body, a circuit breaker body and a fixed rod, wherein fixed blocks are installed at the bottom end of the installation frame body at equal intervals, a circuit breaker body is arranged at the top end of each fixed block, a fixed groove matched with the fixed blocks is formed in the bottom end of the circuit breaker body, arc grooves are formed in two sides of the fixed groove, mounting grooves are formed in the top end and the bottom end of the circuit breaker body, an installation block is arranged on one side of the circuit breaker body, the outer wall of the installation block is matched with the mounting grooves, a through hole is formed in the installation block, a cross groove is formed in one end of the circuit breaker body, empty grooves are formed in two sides of the fixed blocks, slide rails are arranged at the top end and the bottom end of each empty groove, an arc-shaped block penetrating through the empty grooves is arranged in each slide rail, the outer wall of each arc, one side of the mounting frame body is hinged with a door plate.

Preferably, second L type connecting plates are installed at the one end of installation framework at the equidistant, first L type connecting plate with second L type connecting plate assorted is installed to the one end of circuit breaker body.

Preferably, the moisture absorption plate is installed at one end of the installation frame body, the corrosion prevention plate is installed at one side of the moisture absorption plate, and one end of the corrosion prevention plate is connected with the installation frame body.

Preferably, a fixing rod penetrating through the through hole and extending into the breaker body is arranged inside the cross groove, and a handle penetrating through the breaker body is arranged at one end of the fixing rod.

Preferably, the outer wall of the handle is provided with a first spring, and one end of the first spring is connected with the cross groove.

Preferably, the inside of dead slot is provided with the second spring, and one side of second spring is connected with the arc piece.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by installing the breaker body, the mounting groove and the handle, the mounting block in the breaker body is inserted into the mounting groove of the other group of breaker bodies, and then the pulled handle is loosened, so that the fixed rod is driven to be inserted into the through hole under the self elastic action of the first spring to be clamped and fixed with the breaker body, and the structure is convenient for quick mounting between the two groups of breaker bodies;

2. meanwhile, the device is provided with a fixed block, a fixed groove and an arc-shaped block, the fixed block is inserted into the fixed groove by inserting the breaker body above the fixed block, then the arc-shaped block is extruded to extrude the second spring, so that the second spring is contracted, and the arc-shaped block is driven to be clamped and fixed with the arc-shaped groove under the self elastic force of the second spring, so that the position of the breaker body is fixed;

3. the device can adsorb the internal moisture of installing the frame through the moisture absorption board through installing installation framework, circuit breaker body and anticorrosive board simultaneously to effectively play the effect of dehumidification, and can avoid the internal moisture of installing the frame too big and influence the normal operating of circuit breaker body through anticorrosive board.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic left side view of the cross-sectional structure of the present invention;

fig. 4 is a schematic top sectional view of the circuit breaker body and the fixing rod of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. installing a frame body; 2. a circuit breaker body; 3. mounting grooves; 4. a fixed block; 5. mounting blocks; 6. fixing the rod; 7. fixing grooves; 8. a cross groove; 9. a handle; 10. a first spring; 11. an empty groove; 12. a slide rail; 13. a slider; 14. a second spring; 15. an arc-shaped block; 16. an arc-shaped slot; 17. a first L-shaped connecting plate; 18. a second L-shaped connecting plate; 19. an anti-corrosion plate; 20. a moisture absorption plate; 21. a through hole; 22. a door panel.

Detailed Description

The technical solutions 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 the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a combined miniature circuit breaker comprises an installation frame body 1, a circuit breaker body 2 and a fixed rod 6, wherein fixed blocks 4 are installed at the bottom end of the installation frame body 1 at equal intervals;

second L-shaped connecting plates 18 are arranged at equal intervals at one end of the installation frame body 1, first L-shaped connecting plates 17 matched with the second L-shaped connecting plates 18 are arranged at one end of the breaker body 2, the breaker body 2 is inserted into the second L-shaped connecting plates 18 through the first L-shaped connecting plates 17, so that the position of the breaker body 2 is conveniently fixed, and the structure is convenient for installing and disassembling the breaker body 2 and the installation frame body 1;

one end of the installation frame body 1 is provided with a moisture absorption plate 20, one side of the moisture absorption plate 20 is provided with an anti-corrosion plate 19, one end of the anti-corrosion plate 19 is connected with the installation frame body 1, and moisture in the installation frame body 1 can be absorbed through the moisture absorption plate 20, so that the dehumidification effect is effectively achieved, and the phenomenon that the normal operation of the circuit breaker body 2 is affected due to the fact that the moisture in the installation frame body 1 is too large can be avoided through the anti-corrosion plate 19;

the top end of the fixed block 4 is provided with a circuit breaker body 2, the bottom end of the circuit breaker body 2 is provided with a fixed groove 7 matched with the fixed block 4, arc-shaped grooves 16 are formed in two sides of the fixed groove 7, mounting grooves 3 are formed in the top end and the bottom end of the circuit breaker body 2, a mounting block 5 is arranged on one side of the circuit breaker body 2, the outer wall of the mounting block 5 is matched with the mounting grooves 3, a through hole 21 is formed in the mounting block 5, and a cross groove 8 is formed in one end of the circuit breaker body 2;

the fixing rod 6 penetrating through the through hole 21 and extending into the breaker body 2 is arranged in the cross groove 8, one end of the fixing rod 6 is provided with the handle 9 penetrating through the breaker body 2, the fixing rod 6 is driven to be separated from the through hole 21 by pulling the handle 9, the cross groove 8 is shrunk in the first spring 10, and the structure is convenient for fast splitting between the two groups of breaker bodies 2;

the outer wall of the handle 9 is provided with a first spring 10, one end of the first spring 10 is connected with the cross groove 8, the mounting block 5 in the breaker body 2 is inserted into the mounting groove 3 of the other group of breaker bodies 2, and then the pulled handle 9 is loosened, so that the fixing rod 6 is driven to be inserted into the through hole 21 under the self elastic force action of the first spring 10 to be clamped and fixed with the breaker bodies 2, the structure is convenient for quick mounting between the two groups of breaker bodies 2, and the two sides of the fixing block 4 are both provided with empty grooves 11;

a second spring 14 is arranged inside the empty groove 11, one side of the second spring 14 is connected with an arc-shaped block 15, the circuit breaker body 2 is inserted above the fixed block 4, the fixed block 4 is inserted into the fixed groove 7, then the arc-shaped block 15 is extruded to extrude the second spring 14, the second spring 14 is contracted, and the arc-shaped block 15 is driven to be clamped and fixed with the arc-shaped groove 16 under the self elastic force action of the second spring 14, so that the position of the circuit breaker body 2 is fixed;

the top and the bottom of dead slot 11 all are provided with slide rail 12, and slide rail 12 is inside to be provided with the arc piece 15 that runs through dead slot 11, and the outer wall and the arc groove 16 phase-match of arc piece 15, 15 tops of arc piece and bottom all install with slide rail 12 assorted slider 13, and one side of installation framework 1 articulates there is door plant 22.

The working principle is as follows: when the combined miniature circuit breaker is used, when an operator needs to splice and fix two or more groups of circuit breaker bodies 2, the handle 9 is firstly pulled outwards to drive the fixing rod 6 to be not contacted with the through hole 21, so that the first spring 10 is contracted, then the mounting block 5 in the breaker body 2 is inserted into the mounting groove 3 of another set of breaker body 2, then the pulled handle 9 is released, the fixed rod 6 is driven to be inserted into the through hole 21 to be clamped and fixed with the breaker body 2 under the self elastic force of the first spring 10, the structure is convenient for fast installation between the two groups of circuit breaker bodies 2, and the moisture absorption plate 20 can absorb moisture in the installation frame body 1, therefore, the effect of dehumidification is effectively achieved on the circuit breaker body 2, and the corrosion-resistant plate 19 can prevent the influence of overlarge moisture in the installation frame body 1 on the normal operation of the circuit breaker body 2;

when the operator needs to inspect and maintain the circuit breaker body 2, by pulling the circuit breaker body 2 upward, so that the first L-shaped connecting plate 17 is separated from the second L-shaped connecting plate 18, the arc-shaped block 15 is separated from the arc-shaped groove 16 at the same time, the breaker body 2 is disassembled from the fixed block 4, and when it is required to be installed, by inserting the breaker body 2 above the fixed block 4, the position of the fixing block 4 is fixed by inserting the first L-shaped connecting plate 17 into the second L-shaped connecting plate 18, so that the fixing block 4 is inserted into the fixing groove 7, then, the second spring 14 is pressed by the arc-shaped blocks 15, so that the second spring 14 is contracted, and it is fixed with 16 looks block of arc wall to drive arc piece 15 under second spring 14 self elastic force effect to fix the position of circuit breaker body 2, it is above the utility model discloses a whole principles.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a combined miniature circuit breaker, includes installation framework (1), circuit breaker body (2) and dead lever (6), its characterized in that: the bottom of the installation frame body (1) is equidistantly provided with fixed blocks (4), the top end of each fixed block (4) is provided with a circuit breaker body (2), the bottom end of each circuit breaker body (2) is provided with a fixed groove (7) matched with the fixed block (4), arc-shaped grooves (16) are formed in two sides of each fixed groove (7), installation grooves (3) are formed in the top end and the bottom end of each circuit breaker body (2), one side of each circuit breaker body (2) is provided with an installation block (5), the outer wall of each installation block (5) is matched with the corresponding installation groove (3), through holes (21) are formed in the installation blocks (5), one ends of the circuit breaker bodies (2) are provided with cross grooves (8), both sides of the fixed blocks (4) are provided with empty grooves (11), and the top ends and the bottom ends of the empty grooves (11) are provided with slide, slide rail (12) inside is provided with arc piece (15) that runs through dead slot (11), and the outer wall and arc groove (16) phase-match of arc piece (15), arc piece (15) top and bottom all install with slide rail (12) assorted slider (13), one side of installation framework (1) articulates there is door plant (22).

2. The combined miniature circuit breaker of claim 1 wherein: second L type connecting plate (18) are installed to the one end of installation framework (1) equidistant, first L type connecting plate (17) with second L type connecting plate (18) assorted are installed to the one end of circuit breaker body (2).

3. The combined miniature circuit breaker of claim 1 wherein: moisture absorption plate (20) is installed to the one end of installation framework (1), and anticorrosive board (19) is installed to one side of moisture absorption plate (20), the one end of anticorrosive board (19) is connected with installation framework (1).

4. The combined miniature circuit breaker of claim 1 wherein: the cross groove (8) is internally provided with a fixing rod (6) which penetrates through the through hole (21) and extends into the breaker body (2), and one end of the fixing rod (6) is provided with a handle (9) which penetrates through the breaker body (2).

5. The combined miniature circuit breaker of claim 4, wherein: the outer wall of the handle (9) is provided with a first spring (10), and one end of the first spring (10) is connected with the cross groove (8).

6. The combined miniature circuit breaker of claim 1 wherein: a second spring (14) is arranged inside the empty groove (11), and one side of the second spring (14) is connected with the arc-shaped block (15).

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