CN213716813U

CN213716813U - Moulded case circuit breaker with installing support

Info

Publication number: CN213716813U
Application number: CN202023157915.3U
Authority: CN
Inventors: 周昌松; 徐百钏
Original assignee: Nanjing Institute of Railway Technology
Current assignee: Nanjing Institute of Railway Technology
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-07-16
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a moulded case circuit breaker with installing support, include: the circuit breaker comprises a circuit breaker main body, wherein the top and the bottom of one side of the circuit breaker main body are respectively provided with wiring grooves at equal intervals; the mounting brackets are positioned on two sides of the breaker main body, and two mounting brackets are fixedly arranged on two sides of the breaker main body respectively; the mounting structure comprises a power box, a mounting seat and a screw hole. The utility model discloses a hole groove has been seted up in one side of bolt, be equipped with the flexible post of second and movable block in the hole groove, so when the bolt is not hard up to the top in hole groove, the movable block can be popped out by the elasticity of second spring to make the negative pole contact of the positive pole contact of bottom plate top and movable block bottom, and form a closed circuit with bee calling organ and power, make bee calling organ take place the buzzing sound, in time, the suggestion maintenance personal consolidates the bolt of circuit breaker main part, the circuit breaker main part has been prevented to take place to become flexible, and convenient use.

Description

Moulded case circuit breaker with installing support

Technical Field

The utility model relates to a circuit breaker equipment technical field specifically is a moulded case circuit breaker with installing support.

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 for a predetermined 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.

Most circuit breakers all can be in the fixed installing support that is equipped with in both sides to be convenient for carry out fixed mounting to the circuit breaker, and common fixed mode all utilizes the bolt to fix installing support and mount pad, but along with long-time the use, the bolt takes place to become flexible easily, so can make the circuit breaker take place to drop, and then influence the normal use of circuit breaker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a moulded case circuit breaker with installing support to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a molded case circuit breaker with a mounting bracket, comprising: the circuit breaker comprises a circuit breaker main body, wherein the top and the bottom of one side of the circuit breaker main body are respectively provided with wiring grooves at equal intervals; the mounting brackets are positioned on two sides of the breaker main body, and two mounting brackets are fixedly arranged on two sides of the breaker main body respectively; the mounting structure comprises a power box, a mounting seat and screw holes, wherein the mounting seat is welded on the surface of the power box corresponding to the mounting bracket, and the screw holes are formed in the mounting seat; the anti-disengaging structure, anti-disengaging structure is located the inside of screw, anti-disengaging structure includes first flexible post, bottom plate, the flexible post of second, movable block and bee calling organ.

Preferably, a groove is formed in the center of the breaker main body, a cover is rotatably arranged on one side of the groove, and a switch button is slidably arranged in the groove.

Preferably, the end of the mounting bracket is provided with a bolt corresponding to the screw hole in a threaded manner, and the bolt and the screw hole are used in a matched manner.

Preferably, the bottom in the screw hole is fixedly provided with a first telescopic column, the other end of the first telescopic column is fixedly provided with a bottom plate, and the periphery of the first telescopic column is further sleeved with a first spring.

Preferably, a hole groove is further formed in one side of the screw hole, a second telescopic column is fixedly arranged in the hole groove, a moving block is fixedly arranged at the end of the second telescopic column, a second spring is sleeved on the periphery of the second telescopic column, and the diameter of the second spring is smaller than the cross sectional area of the moving block.

Preferably, the top of the bottom plate and the bottom of the moving block are respectively and fixedly embedded with a positive contact piece and a negative contact piece, one side of the mounting seat is further fixedly provided with a buzzer, and the positive contact piece and the negative contact piece are respectively and electrically connected with the input end and the output end of the buzzer.

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

1. the utility model discloses a top and the bottom of circuit breaker main part respectively the equidistance have seted up a plurality of wiring grooves, can be used for the wiring, still set up flutedly in the central point of circuit breaker main part, then establish shift knob in the inside of recess to rotate in one side of recess and be provided with the lid, be the joint between lid and the recess, so can protect shift knob, prevent that the use of mistake touching shift knob to circuit breaker from causing the influence;

2. the utility model discloses still fix two installing supports respectively in the both sides of circuit breaker main part simultaneously, and the position that corresponds the installing support at the power supply box is fixed and is equipped with the mount pad, set up the screw in the mount pad, through in the internal thread mounting bolt of installing support, can make installing support and mount pad fix, thereby be convenient for install the circuit breaker main part, still fix in the bottom in the screw and be equipped with first flexible post, the end fixing of first flexible post is provided with the bottom plate, and overlap in the periphery of first flexible post and have first spring, can push down the bottom plate when the bolt is installed, can make the bottom plate move upwards when the bolt becomes flexible, and set up the hole groove in one side of screw, the fixed second flexible post that is provided with of hole inslot, the end fixing of second flexible post is provided with the movable block, when the bolt is to the top of hole groove, the movable block can be popped out by the elasticity of second spring, therefore, the positive contact piece above the bottom plate is in contact with the negative electrode at the bottom of the moving block, a closed circuit is formed by the positive contact piece, the buzzer and the power supply, the buzzer buzzes, maintenance personnel are timely prompted to reinforce the bolt of the breaker main body, the breaker main body is prevented from loosening, and the breaker main body is convenient to use.

Drawings

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

FIG. 2 is a side view of the present invention;

FIG. 3 is a sectional view of the local structure of the present invention

Fig. 4 is a structural diagram of a in fig. 3 according to the present invention.

In the figure: 1. a circuit breaker main body; 101. a wiring slot; 102. a groove; 103. a cover; 104. a switch button; 2. mounting a bracket; 201. a bolt; 3. a power supply box; 4. a mounting seat; 401. a screw hole; 402. a hole groove; 5. a first telescopic column; 501. a first spring; 6. a base plate; 601. a positive electrode contact piece; 7. a second telescopic column; 701. a second spring; 8. a moving block; 801. a negative contact piece; 9. a buzzer.

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. 1-4, the present invention provides a technical solution: a molded case circuit breaker with a mounting bracket, comprising: the circuit breaker comprises a circuit breaker main body 1, wherein the top and the bottom of one side of the circuit breaker main body 1 are respectively provided with wiring grooves 101 at equal intervals; the installation supports 2 are positioned on two sides of the breaker main body 1, and two installation supports 2 are respectively and fixedly arranged on two sides of the breaker main body 1; the mounting structure comprises a power box 3, a mounting seat 4 and a screw hole 401, wherein the mounting seat 4 is welded on the surface of the power box 3 corresponding to the mounting bracket 2, and the screw hole 401 is formed in the mounting seat 4; the anti-disengaging structure is located inside the screw hole 401 and comprises a first telescopic column 5, a bottom plate 6, a second telescopic column 7, a moving block 8 and a buzzer 9.

Referring to fig. 1, a groove 102 is formed in the center of the breaker body 1, a cover 103 is rotatably disposed on one side of the groove 102, and a switch button 104 is slidably disposed in the groove 102, so that the switch button 104 can be protected, and the influence on the use of the breaker due to mistaken touching of the switch button 104 is prevented.

Referring to fig. 1, a bolt 201 is threadedly installed at a position, corresponding to a screw hole 401, of an end portion of the mounting bracket 2, and the bolt 201 and the screw hole 401 are used in a matched manner, so that the mounting bracket 2 and the mounting seat 4 can be fixed, and the circuit breaker main body 1 can be conveniently mounted.

Referring to fig. 2 and 3, a first telescopic column 5 is fixedly arranged at the bottom of the screw hole 401, a bottom plate 6 is fixedly arranged at the other end of the first telescopic column 5, a first spring 501 is further sleeved on the periphery of the first telescopic column 5, the bottom plate 6 can be pressed downwards when the bolt 201 is installed, and the bolt 201 is loosened to enable the bottom plate 6 to move upwards.

Referring to fig. 3 and 4, a hole groove 402 is further formed in one side of the screw hole 401, a second telescopic column 7 is fixedly arranged in the hole groove 402, a moving block 8 is fixedly arranged at an end of the second telescopic column 7, a second spring 701 is sleeved on the outer periphery of the second telescopic column 7, the diameter of the second spring 701 is smaller than the cross-sectional area of the moving block 8, and when the bolt 201 is loosened above the hole groove 402, the moving block 8 can be ejected by the elastic force of the second spring 701.

Referring to fig. 3 and 4, the top of the bottom plate 6 and the bottom of the moving block 8 are respectively and fixedly embedded with a positive contact plate 601 and a negative contact plate 801, one side of the mounting seat 4 is further and fixedly provided with a buzzer 9, the positive contact plate 601 and the negative contact plate 801 are respectively and electrically connected with the input end and the output end of the buzzer 9, and when the positive contact plate 601 and the negative contact plate 801 are in contact, the positive contact plate 601, the negative contact plate 801 and the buzzer 9 form a closed circuit with a power supply, so that the buzzer 9 generates a buzzer sound, and a maintenance person is prompted to reinforce the bolt 201 of the circuit breaker main body 1 in time.

The working principle is as follows: the utility model discloses a through at the top of circuit breaker main part 1 and bottom respectively equidistance seted up a plurality of wiring grooves 101, can be used for the wiring, still set up recess 102 in the central point of circuit breaker main part 1, then set up shift knob 104 in the inside of recess 102, and rotate on one side of recess 102 and be provided with lid 103, be the joint between lid 103 and the recess 102, so can protect shift knob 104, prevent that the mistake from touching shift knob 104 and causing the influence to the use of circuit breaker; meanwhile, two mounting brackets 2 are respectively and fixedly arranged on two sides of the breaker main body 1, a mounting seat 4 is fixedly arranged at the position of the power box 3 corresponding to the mounting brackets 2, a screw hole 401 is arranged in the mounting seat 4, the mounting brackets 2 and the mounting seat 4 can be fixed by mounting a bolt 201 in the mounting brackets 2 through threads, so that the breaker main body 1 can be conveniently mounted, a first telescopic column 5 is fixedly arranged at the bottom in the screw hole 401, a bottom plate 6 is fixedly arranged at the end part of the first telescopic column 5, a first spring 501 is sleeved on the periphery of the first telescopic column 5, the bottom plate 6 can be pressed downwards when the bolt 201 is mounted, the bottom plate 6 can move upwards when the bolt 201 is loosened, a hole groove 402 is arranged on one side of the screw hole 401, a second telescopic column 7 is fixedly arranged in the hole groove 402, and a moving block 8 is fixedly arranged at the end part of the second telescopic column 7, when the bolt 201 is not loosened to the upper side of the hole groove 402, the moving block 8 can be popped out by the elastic force of the second spring 701, so that the positive contact plate 601 above the bottom plate 6 is contacted with the negative contact plate 801 at the bottom of the moving block 8, and a closed circuit is formed with the buzzer 9 and the power supply, so that the buzzer 9 generates buzzing sound, maintenance personnel is prompted to reinforce the bolt 201 of the breaker main body 1 in time, the breaker main body 1 is prevented from being loosened, and the use is convenient.

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 with installing support which characterized in that includes:

the circuit breaker comprises a circuit breaker main body (1), wherein the top and the bottom of one side of the circuit breaker main body (1) are respectively provided with wiring grooves (101) at equal intervals;

the mounting brackets (2) are positioned on two sides of the breaker main body (1), and two mounting brackets (2) are fixedly arranged on two sides of the breaker main body (1) respectively;

the mounting structure comprises a power box (3), a mounting seat (4) and a screw hole (401), the mounting seat (4) is welded on the surface of the power box (3) corresponding to the mounting bracket (2), and the screw hole (401) is formed in the mounting seat (4);

the anti-disengaging structure is located inside the screw hole (401), and comprises a first telescopic column (5), a bottom plate (6), a second telescopic column (7), a moving block (8) and a buzzer (9).

2. The molded case circuit breaker with a mounting bracket of claim 1, wherein: a groove (102) is formed in the center of the breaker main body (1), a cover (103) is rotatably arranged on one side of the groove (102), and a switch button (104) is slidably arranged in the groove (102).

3. The molded case circuit breaker with a mounting bracket of claim 1, wherein: the end of the mounting bracket (2) is provided with a bolt (201) in a threaded manner at a position corresponding to the screw hole (401), and the bolt (201) and the screw hole (401) are used in a matched manner.

4. The molded case circuit breaker with a mounting bracket of claim 1, wherein: the bottom in screw (401) is fixed and is provided with first flexible post (5), the other end of first flexible post (5) is fixed and is provided with bottom plate (6), first spring (501) have still been cup jointed to the periphery of first flexible post (5).

5. The molded case circuit breaker with a mounting bracket of claim 1, wherein: a hole groove (402) is further formed in one side of the screw hole (401), a second telescopic column (7) is fixedly arranged in the hole groove (402), a moving block (8) is fixedly arranged at the end of the second telescopic column (7), a second spring (701) is sleeved on the periphery of the second telescopic column (7), and the diameter of the second spring (701) is smaller than the cross sectional area of the moving block (8).

6. The molded case circuit breaker with a mounting bracket of claim 1, wherein: the top of the bottom plate (6) and the bottom of the moving block (8) are respectively and fixedly embedded with a positive contact piece (601) and a negative contact piece (801), one side of the mounting seat (4) is further fixedly provided with a buzzer (9), and the positive contact piece (601) and the negative contact piece (801) are simultaneously and respectively electrically connected with the input end and the output end of the buzzer (9).