CN213988757U

CN213988757U - Quick closing module structure of molded case circuit breaker

Info

Publication number: CN213988757U
Application number: CN202022799710.9U
Authority: CN
Inventors: 仲超; 马雪伟; 戴水东; 陈佳成
Original assignee: Hangzhou Zhijiang Switchgear Stock Co Ltd
Current assignee: Hangzhou Zhijiang Switchgear Stock Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-17
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a moulded case circuit breaker's quick closed modular structure, including mounting panel and plastic casing, plastic casing's inside is provided with the sliding closure mechanism, the sliding closure mechanism includes the slide of sliding connection at the plastic casing inner wall back, the draw-in groove has been seted up to the positive top of slide, the indent has been seted up to the positive below of slide, the top of plastic casing inner wall is fixed with first magnetic path, the top of slide is fixed with the second magnetic path with first magnetic path looks adaptation, the front of plastic casing is run through and is provided with first push rod, and the fixed surface of first push rod has the kelly with draw-in groove looks adaptation, the utility model relates to a circuit breaker technical field. This moulded case circuit breaker's quick closed modular structure through the setting of slip closing mechanism, is convenient for realize the closure of circuit, only need press first dog and second dog can, novel structure, and can not produce the screens phenomenon, use the limitation little, convenient to use.

Description

Quick closing module structure of molded case circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is a moulded case circuit breaker's quick closing modular structure.

Background

A 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 for a predetermined time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the boundary line of the high voltage and the low voltage is divided more clearly, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, when the circuit breaker has faults of serious overload, short circuit, undervoltage and the like, the circuit breaker can be automatically cut off, 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. Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.

The current circuit breaker generally adopts the rotary switch structure, realizes the closure of circuit, and the structure is old, and rotary switch can have the screens phenomenon sometimes, uses and has certain limitation, consequently, the utility model provides a moulded case circuit breaker's quick shut-off modular structure to solve the above-mentioned problem of mentioning.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a moulded case circuit breaker's quick closing modular structure has solved the old and old structure, and the rotating switch can have the screens phenomenon sometimes, uses the problem that has certain limitation.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a moulded case circuit breaker's quick closed modular structure, includes mounting panel and plastic casing, the inside of plastic casing is provided with the slip closing mechanism.

The sliding closing mechanism comprises a sliding plate which is connected to the back surface of the inner wall of the plastic shell in a sliding manner, a clamping groove is formed in the upper portion of the front surface of the sliding plate, a pressure groove is formed in the lower portion of the front surface of the sliding plate, a first magnetic block is fixed to the top portion of the inner wall of the plastic shell, a second magnetic block matched with the first magnetic block is fixed to the top portion of the sliding plate, a first push rod penetrates through the front surface of the plastic shell, a clamping rod matched with the clamping groove is fixed to the surface of the first push rod, a first stop block is fixed to one end of the first push rod, a first spring is sleeved on the surface of the first push rod, a second push rod penetrates through the front surface of the plastic shell and is located below the first push rod, a pressure rod matched with the pressure groove is fixed to the surface of the second push rod, a second stop block is fixed to one end of the second push rod, and a second spring is sleeved on the surface of the second push rod, the other end of the first push rod is fixed with a first connecting piece, and the back of the inner wall of the plastic shell is fixed with a second connecting piece through a fixing block.

Preferably, a baffle is fixed on the front surface of the inner wall of the plastic shell, and the top of the sliding plate is in contact with the bottom of the baffle.

Preferably, a first wire is fixed on the surface of the first connecting piece, and a second wire is fixed on the surface of the second connecting piece.

Preferably, labels are adhered to the upper side and the lower side of the front face of the plastic shell through adhesives, and mounting bolts penetrate through dead corners of the front face of the mounting plate.

Preferably, the front surface of the mounting plate is provided with a mounting groove matched with the plastic shell, and the two sides of the mounting plate are provided with fastening bolts.

Preferably, the one end that fastening bolt is close to plastic casing runs through the mounting panel and extends to the inside of mounting groove, the screw hole with fastening bolt looks adaptation is all seted up to plastic casing's both sides.

Advantageous effects

The utility model provides a moulded case circuit breaker's quick closed modular structure. Compared with the prior art, the method has the following beneficial effects:

(1) the quick closing module structure of the molded case circuit breaker comprises a sliding closing mechanism arranged in a plastic shell, the sliding closing mechanism comprises a sliding plate connected to the back surface of the inner wall of the plastic shell in a sliding manner, a clamping groove is formed in the front upper portion of the sliding plate, a pressure groove is formed in the front lower portion of the sliding plate, a first magnetic block is fixed to the top portion of the inner wall of the plastic shell, a second magnetic block matched with the first magnetic block is fixed to the top portion of the sliding plate, a first push rod penetrates through the front surface of the plastic shell, a clamping rod matched with the clamping groove is fixed to the surface of the first push rod, a first stop block is fixed to one end of the first push rod, a first spring is sleeved on the surface of the first push rod, a second push rod penetrates through the front surface of the plastic shell, the second push rod is located below the first push rod, a pressure rod matched with the pressure groove is fixed to the surface of the second push rod, and a second stop block is fixed to one end of the second push rod, the surface cover of second push rod is equipped with the second spring, and the other end of first push rod is fixed with first connecting piece, and the back of plastic casing inner wall is fixed with the second connecting piece through the fixed block, and through the setting of slip closing mechanism, be convenient for realize the closure of circuit, only need press first dog and second dog can, novel structure, and can not produce the screens phenomenon, the use limitation is little, convenient to use.

(2) This moulded case circuit breaker's quick closed modular structure, it has the label all to bond through the adhesive in the positive top of plastic casing and below, the positive dead angle of mounting panel all runs through and is provided with mounting bolt, the mounting groove with plastic casing looks adaptation is seted up in the front of mounting panel, the both sides of mounting panel all are provided with fastening bolt, fastening bolt runs through the mounting panel and extends to the inside of mounting groove near the one end of plastic casing, the screw hole with fastening bolt looks adaptation is all seted up to the both sides of plastic casing, through the mounting groove, fastening bolt, the setting of screw hole, be convenient for install fixedly to plastic casing.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

fig. 2 is a right sectional view of the plastic housing structure of the present invention;

fig. 3 is a left side sectional view of the plastic housing structure of the present invention;

FIG. 4 is a perspective view of the slide plate structure of the present invention;

fig. 5 is a perspective view of the mounting plate structure of the present invention.

In the figure: the device comprises a 1-mounting plate, a 2-plastic shell, a 3-sliding closing mechanism, a 301-sliding plate, a 302-clamping groove, a 303-pressing groove, a 304-first magnetic block, a 305-second magnetic block, a 306-first push rod, a 307-clamping rod, a 308-first stop block, a 309-first spring, a 310-second push rod, a 311-pressing rod, a 312-second stop block, a 313-second spring, a 314-first connecting piece, a 315-second connecting piece, a 4-baffle plate, a 5-first lead wire, a 6-second lead wire, a 7-tag, an 8-mounting bolt, a 9-mounting groove, a 10-fastening bolt and an 11-threaded hole.

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 quick closing module structure of a molded case circuit breaker comprises a mounting plate 1 and a plastic shell 2, wherein a sliding closing mechanism 3 is arranged inside the plastic shell 2.

The sliding closing mechanism 3 comprises a sliding plate 301 connected to the back of the inner wall of the plastic casing 2 in a sliding manner, a clamping groove 302 is formed above the front of the sliding plate 301 to facilitate positioning of the sliding plate 301 by matching with a clamping rod 307, a pressing groove 303 is formed below the front of the sliding plate 301, a first magnetic block 304 is fixed at the top of the inner wall of the plastic casing 2, a second magnetic block 305 matched with the first magnetic block 304 is fixed at the top of the sliding plate 301, opposite magnetic poles are arranged at the sides of the first magnetic block 304 and the second magnetic block 305 close to each other to generate attraction between the first magnetic block and the second magnetic block, a first push rod 306 penetrates through the front of the plastic casing 2, the clamping rod 307 matched with the clamping groove 302 is fixed on the surface of the first push rod 306, a first stop block 308 is fixed at one end of the first push rod 306, a first spring 309 is sleeved on the surface of the first push rod 306 to facilitate resetting of the first push rod 306, a second push rod 310 penetrates through, a pressure lever 311 matched with the pressure groove 303 is fixed on the surface of the second push rod 310, a second stopper 312 is fixed at one end of the second push rod 310, a second spring 313 is sleeved on the surface of the second push rod 310, so that the second push rod 310 can be conveniently reset, a first connecting piece 314 is fixed at the other end of the first push rod 306, and a second connecting piece 315 is fixed on the back surface of the inner wall of the plastic shell 2 through the fixing block.

The front of 2 inner walls of plastic casing is fixed with baffle 4, slide 301's top and baffle 4's bottom contact, the fixed surface of first connecting piece 314 has first wire 5, the fixed surface of second connecting piece 315 has second wire 6, the positive top of plastic casing 2 and below all have label 7 through the bonding of adhesive, the accessible sign is opened and is closed the sign on label 7, the positive dead angle of mounting panel 1 all runs through and is provided with mounting bolt 8, mounting groove 9 with 2 looks adaptations of plastic casing is seted up in the front of mounting panel 1, the both sides of mounting panel 1 all are provided with fastening bolt 10, fastening bolt 10 runs through mounting panel 1 and extends to the inside of mounting groove 9 near the one end of plastic casing 2, the screw hole 11 with fastening bolt 10 looks adaptations is all seted up to the both sides of plastic casing 2.

And those not described in detail in this specification are well within the skill of those in the art.

When the circuit is needed to be closed, the first stop block 308 is pressed, the first push rod 306 drives the locking rod 307 to move, the locking rod 307 extrudes the slot 302 to make the sliding plate 301 slide downwards, when the locking rod 307 enters the slot 302, under the attraction of the first magnetic block 304 and the second magnetic block 305, the sliding plate 301 is driven to slide upwards, so that the clamping rod 307 is stabilized in the clamping groove 302, and at this time, the surface of the first connecting element 314 contacts with the second connecting element 315, so as to close the first conducting wire 5 and the second conducting wire 6, and when the circuit needs to be opened, the second stopper 312 is pressed, the second push rod 310 drives the press rod 311 to move, the press rod 311 extrudes the press groove 303, at the moment, the sliding plate 301 slides upwards, meanwhile, the clamping groove 302 loses the limit on the clamping rod 307, under the action of the elastic force of the first spring 309, the first push rod 306 is reset, so that the first connecting piece 314 is separated from the second connecting piece 315, and the circuit is disconnected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a moulded case circuit breaker's quick closed modular structure, includes mounting panel (1) and plastic casing (2), its characterized in that: a sliding closing mechanism (3) is arranged in the plastic shell (2);

the sliding closing mechanism (3) comprises a sliding plate (301) which is connected to the back surface of the inner wall of a plastic shell (2) in a sliding mode, a clamping groove (302) is formed in the front upper portion of the sliding plate (301), a pressing groove (303) is formed in the front lower portion of the sliding plate (301), a first magnetic block (304) is fixed to the top of the inner wall of the plastic shell (2), a second magnetic block (305) matched with the first magnetic block (304) is fixed to the top of the sliding plate (301), a first push rod (306) is arranged in the front of the plastic shell (2) in a penetrating mode, a clamping rod (307) matched with the clamping groove (302) is fixed to the surface of the first push rod (306), a first stop block (308) is fixed to one end of the first push rod (306), a first spring (309) is sleeved on the surface of the first push rod (306), a second push rod (310) is arranged in the front of the plastic shell (2) in a penetrating mode, the utility model discloses a plastic shell, including first push rod (306), second push rod (310), the surface mounting of second push rod (310) is located the below of first push rod (306), the fixed surface of second push rod (310) has depression bar (311) with indent (303) looks adaptation, the one end of second push rod (310) is fixed with second dog (312), the surface cover of second push rod (310) is equipped with second spring (313), the other end of first push rod (306) is fixed with first connecting piece (314), the back of plastics shell (2) inner wall is fixed with second connecting piece (315) through the fixed block.

2. The structure of the fast closing module of the molded case circuit breaker according to claim 1, wherein: the front surface of the inner wall of the plastic shell (2) is fixedly provided with a baffle (4), and the top of the sliding plate (301) is contacted with the bottom of the baffle (4).

3. The structure of the fast closing module of the molded case circuit breaker according to claim 1, wherein: a first lead (5) is fixed on the surface of the first connecting piece (314), and a second lead (6) is fixed on the surface of the second connecting piece (315).

4. The structure of the fast closing module of the molded case circuit breaker according to claim 1, wherein: the label (7) is adhered to the upper side and the lower side of the front surface of the plastic shell (2) through an adhesive, and the mounting bolt (8) penetrates through the dead angle of the front surface of the mounting plate (1).

5. The structure of the fast closing module of the molded case circuit breaker according to claim 1, wherein: the front of mounting panel (1) is seted up mounting groove (9) with plastic casing (2) looks adaptation, the both sides of mounting panel (1) all are provided with fastening bolt (10).

6. The structure of the quick closing module for the molded case circuit breaker according to claim 5, wherein: the one end that fastening bolt (10) are close to plastic casing (2) runs through mounting panel (1) and extends to the inside of mounting groove (9), screw hole (11) with fastening bolt (10) looks adaptation are all seted up to the both sides of plastic casing (2).