CN214428569U - Intelligent direct current miniature circuit breaker - Google Patents

Abstract

The utility model provides an intelligent direct current miniature circuit breaker, which relates to the technical field of circuit breakers and comprises a mounting plate and a circuit breaker arranged on one side of the mounting plate, wherein two side mirrors of the circuit breaker are provided with a fixed sleeve for fixing the circuit breaker, and the top of the fixed sleeve is fixedly connected with a limiting plate; insert the inside of slide opening with the both sides that fixed sleeve passed the circuit breaker, the fixture block joint is in the inside of bayonet socket, limiting plate contact circuit breaker's surface, can install fixedly to the circuit breaker, can be applied to the circuit breaker of different thickness through setting up a plurality of bayonet sockets, the effectual practicality that has improved, promote the push rod, promote second fixture block to fixture block department, the elasticity of second spring is greater than the elasticity of first spring, the second fixture block can push away the fixture block to the inside that first spring resets the mounting hole, can take out fixed sleeve through the pulling arm-tie, the utility model discloses the condition that cavity gas leakage in the background caused the circuit breaker to drop has been avoided during the installation.

Description

Intelligent direct current miniature circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is an intelligent direct current miniature circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used.

The existing device is often required to be combined with a reserved threaded hole in a mounting plate through a bolt when being mounted, the device is mounted, the operation is troublesome, the mounting time is long, when a breaker encounters a fault and needs to be dismounted for maintenance, a user is required to firstly search for a dismounting tool to dismount.

The utility model discloses a miniature circuit breaker includes circuit breaker body and mounting panel in the chinese patent of bulletin number 202021319791.1, the symmetry rotates to be connected with on the circuit breaker body and places the board, it is equipped with the opening on the board to place, the symmetry slides on the circuit breaker body and alternates there is the carriage release lever, the fixed interlude of symmetry has the cavity pole on the circuit breaker body, sliding connection has the piston board in the cavity pole, carriage release lever fixed connection is on the piston board, sliding connection has the inserted bar on the cavity pole, the symmetry is equipped with the mounting groove on the mounting panel, be equipped with the slot on the mounting groove inner wall. The utility model discloses a put into the mounting groove with well cavity pole, then press the gag lever post for in gag lever post motion to the cavity, drive the carriage release lever motion, make the inside gas of cavity pole in the extrusion, make the inserted bar in to the slot of external motion, then rotate the dwang, make and place the board and rotate, drive the opening and take place to rotate, make the gag lever post be in unable external motion in the cavity, accomplish the installation.

However, the above-mentioned technical solutions have the following drawbacks; the utility model discloses an installation mode requires higher to the inside leakproofness of cavity, and the circuit breaker belongs to and installs on the mounting panel for a long time, if the inside gas leakage of cavity, makes the circuit breaker drop very easily to produce the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent direct current miniature circuit breaker aims at solving among the prior art to the circuit breaker installation unstability, produces the problem that drops easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the intelligent direct-current miniature circuit breaker comprises a mounting plate and a circuit breaker arranged on one side of the mounting plate, wherein two sides of the circuit breaker are provided with fixed sleeves for fixing the circuit breaker in a mirror mode, the top of each fixed sleeve is fixedly connected with a limiting plate, two sides of the outer surface of each fixed sleeve are longitudinally distributed with not less than two bayonets, two sides of each mounting plate are provided with sliding holes for the fixed sleeves to slide, each fixed sleeve penetrates through the inside of the circuit breaker and is connected with the inside of the corresponding sliding hole in a sliding mode, two sides of the inner wall of each sliding hole are provided with elastic reset piece mounting holes, a first elastic reset piece is arranged inside each elastic reset piece mounting hole, a clamping block matched with the corresponding bayonet is arranged at the movable end of each first elastic reset piece, a push rod is arranged inside each fixed sleeve, the push rod and the fixed sleeves are coaxial and are in sliding connection, the inside of push rod transversely runs through there is the second elasticity piece mounting hole that resets, the inside that the second elasticity resets the piece mounting hole is provided with elasticity and is stronger than the second elasticity piece that resets of first elasticity, the both ends fixedly connected with of second elasticity piece and the second fixture block of bayonet socket adaptation that resets.

In order to make the utility model discloses an effect that the fixture block can reset, the utility model discloses a further technical scheme does, first elasticity resets and includes the spring, the one end fixed connection of spring resets the bottom in a elasticity mounting hole, the other end and the fixture block fixed connection of spring.

In order to prevent the utility model provides a fixture block drops, the utility model discloses a further technical scheme does, fixture block sliding connection resets the inside of a mounting hole at first elasticity, one side that the fixture block is close to the spring is provided with limit structure, limit structure resets the arch of a mounting hole opening one end including setting up the spacing flange that is close to first elasticity at the fixture block and first elasticity, one side that one side contact arch of spacing flange is close to the flange removes to one side of keeping away from first elasticity with restriction spacing flange.

In order to make the utility model discloses a second fixture block can carry out the effect that resets, the utility model discloses a further technical scheme does, second elasticity resets including installing at the inside second spring of second elasticity reset mounting hole, the both ends of second spring all with second fixture block fixed connection.

In order to prevent the utility model discloses the second fixture block drops, the utility model discloses a further technical scheme does, two second fixture block sliding connection resets the inside of a mounting hole at second elasticity, two the looks remote site of second fixture block all is provided with second limit structure, second limit structure resets the second arch at a mounting hole both ends including setting up the second limiting flange that is close to second spring one end at the second fixture block and second elasticity, one side that the second spring was kept away from in one side contact second arch of second limiting flange is with the removal of limiting second limiting flange to one side of keeping away from the second spring.

In order to make the utility model discloses it is more convenient comfortable when utensil is pressed the push rod, the utility model discloses a further technical scheme does, the top fixedly connected with of push rod is used for pressing the clamp plate of usefulness, the cross-sectional area of clamp plate is greater than the cross-sectional area of push rod.

In order to make the utility model discloses an effect that the push rod resets, the utility model discloses a further technical scheme does, the surface of push rod is provided with the third elasticity that is used for the push rod to reset and resets.

In order to make the utility model discloses the push rod that has carries out the effect that resets, the utility model discloses a further technical scheme does, the third elasticity piece that resets includes the third spring, the fixed connection of one end of third spring is at the lower surface of clamp plate, the other end fixed connection of third spring is at the upper surface of limiting plate.

In order to reach the utility model provides a fixed sleeve takes out the purpose more easily, the utility model discloses a further technical scheme does, the both sides mirror image of limiting plate is provided with the arm-tie of L shape.

In order to make the utility model discloses have the function that the tripping operation was reminded, the utility model discloses a further technical scheme does, the surface department of circuit breaker is provided with bee calling organ and pilot lamp.

The utility model has the advantages that:

the intelligent direct current miniature circuit breaker can be installed and fixed by arranging the sliding hole in the mounting plate and arranging the first elastic reset pieces on two sides of the sliding hole, inserting the two sides of the circuit breaker into the sliding hole by using the fixed sleeve to enable the clamping block to be clamped in the clamping opening, enabling the limiting plate to contact the outer surface of the circuit breaker, can be applied to circuit breakers with different thicknesses by arranging a plurality of clamping openings, effectively improves the practicability, can push the block to the inside of the mounting hole of the first spring reset piece by arranging the second clamping block and the second elastic reset piece in the push rod and pushing the second clamping block to the clamping block by pushing the push rod, can push the second clamping block to the position of the clamping block by the second spring, can push the block to the inside of the mounting hole of the first spring reset piece by the second clamping block, can take out the fixed sleeve by pulling the pull plate, and can be installed by pushing the clamping block by the spring during the installation, the condition that the circuit breaker drops due to air leakage of the cavity is avoided.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a top view of an embodiment of the present invention.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Fig. 5 is an exploded view of the mounting device of the present invention.

In the figure: the circuit breaker comprises a 1-mounting plate, a 2-circuit breaker, a 3-fixing sleeve, a 4-bayonet, a 5-sliding hole, a 6-first elastic resetting piece mounting hole, a 7-first elastic resetting piece, a 71-spring, an 8-clamping block, a 9-push rod, a 10-second elastic resetting piece mounting hole, a 11-second clamping block, a 12-limiting plate, a 13-second elastic resetting piece, a 131-second spring, a 14-limiting flange, a 15-bulge, a 16-second limiting flange, a 17-second bulge, a 18-third spring, a 19-pressing plate, a 20-buzzer, a 21-indicator light, a 22-pulling plate and a 23-third elastic resetting piece.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1-5, an intelligent dc miniature circuit breaker includes a mounting plate 1 and a circuit breaker 2 mounted on one side of the mounting plate 1, wherein two sides of the circuit breaker 2 are provided with a fixed sleeve 3 for fixing the circuit breaker 2, a top of the fixed sleeve 3 is fixedly connected with a limit plate 12, two sides of the outer surface of the fixed sleeve 3 are longitudinally distributed with at least two bayonets 4, two sides of the mounting plate 1 are provided with slide holes 5 for the fixed sleeve 3 to slide, the fixed sleeve 3 penetrates through the inside of the circuit breaker 2 and is slidably connected to the inside of the slide hole 5, two sides of the inner wall of the slide hole 5 are provided with elastic reset member mounting holes 6, a first elastic reset member 7 is arranged inside the elastic reset member mounting holes 6, a fixture block 8 adapted to the bayonets 4 is arranged at the movable end of the first elastic reset member 7, a push rod 9 is arranged inside the fixed sleeve 3, the push rod 9 and the fixed sleeve 3 are coaxial and are slidably connected, a second elastic resetting piece mounting hole 10 transversely penetrates through the interior of the push rod 9, a second elastic resetting piece 13 with elasticity stronger than that of the first elastic resetting piece 7 is arranged in the second elastic resetting piece mounting hole 10, and second clamping blocks 11 matched with the bayonets 4 are fixedly connected to the two ends of the second elastic resetting piece.

In this embodiment, insert inside sliding hole 5 through circuit breaker 2 with fixed sleeve 3, when push rod 9 moves down, fixture block 8 can be in the inside of bayonet socket 4 with fixture block 8 card through the effect of first elasticity piece 7 that resets, can accomplish the installation to the circuit breaker through promoting limiting plate 12 to contact circuit breaker 2, promote push rod 9 and move down, reset piece 13 through setting up second fixture block 11 and second elasticity in the inside of push rod 9, reset piece 7 through setting up the elasticity with second elasticity to be big with first elasticity, promote second fixture block 11 to fixture block 8 department when push rod 9, through the effect of second elasticity piece 13 that resets, can push away fixture block 8 to the inside that elasticity resets a mounting hole 6, can take out fixed sleeve, the completion is dismantled.

Specifically, first elasticity resets 7 and includes spring 71, and the one end fixed connection of spring 71 is in the bottom of first elasticity resets mounting hole 6, and the other end and the fixture block 8 fixed connection of spring 71, through setting up spring 71, when second fixture block 11 pushes away fixture block 8 to inside, spring 71 can reset fixture block 8.

Further, 8 sliding connection of fixture block are in the inside that first elasticity resets a mounting hole 6, one side that fixture block 8 is close to spring 71 is provided with limit structure, limit structure resets the protruding 15 of 6 opening one ends of a mounting hole including setting up the limit flange 14 that is close to first elasticity of 7 one end and first elasticity at fixture block 8, one side contact arch 15 of limit flange 14 is close to one side of limit flange 14 and removes to one side of keeping away from first elasticity with restriction limit flange 14, can carry on spacingly to fixture block 8 through setting up limit flange 14 and protruding 15, prevent that fixture block 8 from droing.

Specifically, the second elastic reset piece 13 includes a second spring 131 installed inside the second elastic reset piece installation hole 10, and both ends of the second spring 131 are fixedly connected to the second latch 11, so that the second latch 11 can be reset by setting the second spring 131.

Further, two second fixture blocks 11 are slidably connected inside the second elastic reset member mounting hole 10, opposite ends of the two second fixture blocks 11 are provided with second limiting structures, each second limiting structure comprises a second limiting flange 16 and second protrusions 17, the second limiting flange 16 is arranged at one end, close to the second spring 131, of the second fixture block 11, the second protrusions 17 are arranged at two ends of the second elastic reset member mounting hole 10, one side of the second limiting flange 16 contacts with one side, far away from the second spring 131, of the second fixture block 11 to limit the second limiting flange 16 to move towards one side far away from the second spring, and the barrel is provided with the second limiting flange 16 and the second protrusions 17, so that the second fixture block 11 can be limited, and the second fixture block 11 is prevented from falling off.

Furthermore, the top end of the push rod 9 is fixedly connected with a pressing plate 19 for pressing, the cross section area of the pressing plate 19 is larger than that of the push rod 9, the push rod 9 can be driven by the pressing plate 19, and the push rod 9 can be pressed more conveniently.

Further, the outer surface of the push rod 9 is provided with a third elastic restoring member 23 for restoring the push rod 9, and the push rod 9 can be restored through the third elastic restoring member 23.

Specifically, the third elastic reset piece 23 includes a third spring 18, one end of the third spring 18 is fixedly and fixedly connected to the lower surface of the pressing plate 19, the other end of the third spring 18 is fixedly connected to the upper surface of the limiting plate 12, and when the pressing plate 19 is pressed down, the pressing plate 19 can be reset through the action of the third spring 18 and the cooperation of the limiting plate 12.

Further, the mirror image of the both sides of limiting plate 12 is provided with the arm-tie 22 of L shape, and through the arm-tie 22 that sets up the L shape, when fixture block 8 retracted, can pull out fixed sleeve from slide opening 5 in through pulling arm-tie 22, it is more convenient to make slide cartridge 5 take out.

Further, the surface department of circuit breaker 2 is provided with bee calling organ 20 and pilot lamp 21, and through setting up bee calling organ 20 and pilot lamp 21, when the tripping operation of circuit breaker 2, bee calling organ 20 can make a sound, reminds the staff, and pilot lamp 21 can let the more accurate circuit breaker of finding the tripping operation of staff.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 (10)

1. The utility model provides an intelligent direct current miniature circuit breaker, characterized by, include mounting panel (1) and install circuit breaker (2) in mounting panel (1) one side, the both sides mirror image of circuit breaker (2) is provided with fixed sleeve (3) that are used for fixed circuit breaker (2), the top fixedly connected with limiting plate (12) of fixed sleeve (3), the both sides longitudinal distribution of fixed sleeve (3) surface has been seted up and has been no less than two bayonet sockets (4), the both sides of mounting panel (1) are seted up and are supplied gliding slide opening (5) of fixed sleeve (3), fixed sleeve (3) run through the inside and the sliding connection of circuit breaker (2) in the inside of slide opening (5), elasticity reset piece mounting hole (6) is seted up to the both sides of slide opening (5) inner wall, the inside of elasticity reset piece mounting hole (6) is provided with first elasticity reset piece (7), the expansion end that first elasticity reset piece (7) is provided with fixture block (8) with bayonet socket (4) adaptation, the inside of fixed sleeve (3) is provided with push rod (9), push rod (9) and fixed sleeve (3) are coaxial and be sliding connection, the inside of push rod (9) transversely runs through there is second elasticity reset piece mounting hole (10), the inside that second elasticity reset piece mounting hole (10) is provided with second elasticity that elasticity is stronger than first elasticity reset piece (7) and resets piece (13), second elasticity resets second fixture block (11) of both ends fixedly connected with and bayonet socket (4) adaptation of piece.

2. The intelligent direct-current miniature circuit breaker according to claim 1, wherein said first elastic reset piece (7) comprises a spring (71), one end of said spring (71) is fixedly connected to the bottom of said first elastic reset piece mounting hole (6), and the other end of said spring (71) is fixedly connected to said latch (8).

3. The intelligent direct-current miniature circuit breaker according to claim 2, wherein the fixture block (8) is slidably connected inside the first elastic reset member mounting hole (6), a limiting structure is arranged on one side of the fixture block (8) close to the spring (71), the limiting structure comprises a limiting flange (14) arranged on one end of the fixture block (8) close to the first elastic reset member (7) and a protrusion (15) arranged on one open end of the first elastic reset member mounting hole (6), and one side of the limiting flange (14) contacts one side of the protrusion (15) close to the limiting flange (14) to limit the limiting flange (14) from moving to one side far away from the first elastic reset member (7).

4. The intelligent DC miniature circuit breaker according to claim 1, wherein the second elastic reset piece (13) comprises a second spring (131) installed inside the second elastic reset piece installation hole (10), and both ends of the second spring (131) are fixedly connected with the second latch (11).

5. The intelligent DC miniature circuit breaker according to claim 4, wherein two of said second latch blocks (11) are slidably connected inside the second elastic reset member mounting hole (10), the opposite ends of the two second latch blocks (11) are provided with second limiting structures, the second limiting structures comprise a second limiting flange (16) arranged at one end of the second latch block (11) close to the second spring (131) and second protrusions (17) arranged at both ends of the second elastic reset member mounting hole (10), one side of the second limiting flange (16) contacts one side of the second protrusion (17) far away from the second spring (131) to limit the second limiting flange (16) from moving to the side far away from the second spring.

6. The intelligent direct-current miniature circuit breaker according to claim 1, characterized in that a pressing plate (19) for pressing is fixedly connected to the top end of the push rod (9), and the cross-sectional area of the pressing plate (19) is larger than that of the push rod (9).

7. An intelligent dc miniature circuit breaker according to claim 6, characterized in that the outer surface of said push rod (9) is provided with a third resilient return member (23) for returning said push rod (9).

8. The intelligent DC miniature circuit breaker according to claim 7, wherein the third elastic reset member (23) comprises a third spring (18), one end of the third spring (18) is fixedly connected to the lower surface of the pressure plate (19), and the other end of the third spring (18) is fixedly connected to the upper surface of the limiting plate (12).

9. The intelligent DC miniature circuit breaker according to claim 1, characterized in that the two sides of the limiting plate (12) are provided with L-shaped pulling plates (22) in a mirror image manner.

10. An intelligent DC miniature circuit breaker according to any one of claims 1-9, characterized in that a buzzer (20) and an indicator light (21) are arranged at the outer surface of the circuit breaker (2).

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