CN211016951U

CN211016951U - High-sensitivity molded case circuit breaker

Info

Publication number: CN211016951U
Application number: CN201922223972.8U
Authority: CN
Inventors: 王军
Original assignee: Tianjin Qitai Electromechanical Equipment Installation Engineering Co ltd
Current assignee: Tianjin Qitai Electromechanical Equipment Installation Engineering Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-14
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a high sensitivity moulded case circuit breaker, including shell, current conducting plate and wire, the front end surface mounting of shell has the switch, the outer fixed surface of insulating pad is connected with the installation piece, the right-hand member surface laminating of shell has the connecting plate, and the right-hand member fixed surface of connecting plate is connected with the base, the upper and lower both sides of base all are provided with the wiring mouth that is located on the connecting plate, and the surface of base is connected with the fixed plate, the left end fixed surface of connecting plate is connected with and is located the inside cardboard of shell, and the inside of cardboard has seted up the second through-hole, the left side of cardboard is provided with the terminal, the left end surface laminating of terminal has the current conducting plate, the left end surface electric connection of. This high sensitivity moulded case circuit breaker, when the circuit breaker self breaks down, the user can manual operation circuit breaker to with the safe disconnection of circuit, ensure power consumption safety.

Description

High-sensitivity molded case circuit breaker

Technical Field

The utility model relates to a moulded case circuit breaker technical field specifically is a high sensitivity moulded case circuit breaker.

Background

When the circuit is used, short circuit is often caused by some accidents, and the circuit needs to be timely disconnected at the moment to avoid the accidents, so that when the circuit is installed, one circuit breaker can be installed, the types of the circuit breakers are quite various, the molded case circuit breaker is a quite common one, and along with the development of the technology, a high-sensitivity molded case circuit breaker gradually appears to further ensure the electricity utilization safety;

however, when the conventional high-sensitivity molded case circuit breaker on the market is used, if the conventional high-sensitivity molded case circuit breaker breaks down, a user cannot cut off the circuit in a font manner, so that hidden dangers still exist in the problem of circuit safety, and therefore, the high-sensitivity molded case circuit breaker is developed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high sensitivity moulded case circuit breaker to solve the current high sensitivity moulded case circuit breaker on the market that proposes in the above-mentioned background art when using, if its self breaks down, the unable font of user breaks off the circuit, leads to the problem that there is the hidden danger still in the circuit safety problem.

In order to achieve the above object, the utility model provides a following technical scheme: a high-sensitivity molded case circuit breaker comprises a shell, a current-conducting plate and a wire, wherein a switch is mounted on the surface of the front end of the shell, insulating pads are respectively bonded and connected to the upper surface and the lower surface of the shell, mounting blocks are fixedly connected to the outer surfaces of the insulating pads, first through holes are reserved on the outer surfaces of the mounting blocks, notches are formed in the left end surface of the mounting block at the bottom of the shell, a connecting plate is bonded to the right end surface of the shell, a base is fixedly connected to the right end surface of the connecting plate, wiring ports located on the connecting plate are formed in the upper side and the lower side of the base, a fixing plate is connected to the outer surface of the base;

the left end fixed surface of connecting plate is connected with the cardboard that is located the shell inside, and the inside of cardboard has seted up the second through-hole to the bottom surface of cardboard is connected with the spring, the left side of cardboard is provided with the terminal, and the inner fixed surface of terminal is connected with the connecting block to the inside embedding of connecting block has first collets, the left end surface laminating of terminal has the current conducting plate, and the inside embedding of current conducting plate has the second collets, the left end surface electric connection of current conducting plate has the wire.

Preferably, the connecting plate is of a sliding structure on the shell, the wiring ports are uniformly distributed on the connecting plate, and the positions of the wiring ports correspond to the positions of the second through holes.

Preferably, the top of fixed plate is rectangle slot-shaped structure, and the top block of fixed plate is fixed at the surface of connecting plate to the connected mode of nose bar and fixed plate is for cup jointing.

Preferably, the diameter of the protruding rod is the same as the diameter of the notch, and the fixing plate and the housing are fixed by the engagement of the protruding rod and the notch.

Preferably, the cardboard closes the interlude in the inside of shell, and the cardboard passes through the connecting block and constitutes integrated structure with the terminal to the cardboard passes through the spring and the inner wall elastic contact of shell.

Compared with the prior art, the beneficial effects of the utility model are that: according to the high-sensitivity molded case circuit breaker, when the circuit breaker breaks down, a user can manually operate the circuit breaker to safely break off a circuit, so that the electricity utilization safety is ensured;

1. the top end of the fixing plate is of a groove-shaped structure and is clamped and fixed on the base, the fixing plate is pulled down to slide, the position of the convex rod corresponds to the position of the notch, and therefore the fixing plate can be fixed by inserting the convex rod into the notch;

2. after the fixing plate is fixed, the connecting plate and the clamping plate are integrated, so that the clamping plate can drive the binding post to be separated from the original position, and the binding post is not contacted with the current conducting plate any more but contacted with the second insulating block, so that the manual blocking of a circuit is realized;

3. utilize the elasticity of spring to support and the friction between cardboard and the shell at ordinary times for the position of cardboard can be fixed, and when the cardboard moved down and make the terminal no longer with the current conducting plate contact, the spring compressed this moment, when the projecting pole no longer inserted inside the notch, the spring will utilize the elasticity of self to rebound the normal position with the cardboard, thereby switch on the circuit again.

Drawings

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

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

FIG. 3 is a schematic view of the connection structure of the connection plate and the clamping plate of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a housing; 2. a switch; 3. an insulating pad; 4. mounting blocks; 5. a first through hole; 6. a notch; 7. a connecting plate; 8. a base; 9. a wiring port; 10. a fixing plate; 11. a nose bar; 12. clamping a plate; 13. a second through hole; 14. a binding post; 15. connecting blocks; 16. a first insulating block; 17. a conductive plate; 18. a second insulating block; 19. a wire; 20. a spring.

Detailed Description

In the following, reference will be made to the accompanying drawings in the embodiments of the present invention for clearly and completely describing the technical solutions 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 high-sensitivity molded case circuit breaker comprises a shell 1, a switch 2, an insulating pad 3, an installation block 4, a first through hole 5, a notch 6, a connecting plate 7, a base 8, a wiring port 9, a fixing plate 10, a convex rod 11, a clamping plate 12, a second through hole 13, a wiring terminal 14, a connecting block 15, a first insulating block 16, a conductive plate 17, a second insulating block 18, a lead 19 and a spring 20, wherein the switch 2 is installed on the front end surface of the shell 1, the upper surface and the lower surface of the shell 1 are both connected with the insulating pad 3 in an adhering mode, the outer surface of the insulating pad 3 is fixedly connected with the installation block 4, the outer surface of the installation block 4 is reserved with the first through hole 5, the notch 6 is formed in the left end surface of the installation block 4 at the bottom of the shell 1, the connecting plate 7 is attached to the right end surface of the shell 1, the base 8 is fixedly connected to the right end surface of the, the outer surface of the base 8 is connected with a fixing plate 10, the bottom of the fixing plate 10 is connected with a convex rod 11, the diameter of the convex rod 11 is the same as that of the notch 6, and the fixing plate 10 and the shell 1 are fixed through clamping of the convex rod 11 and the notch 6, so that the fixing of the position of the fixing plate 10 is facilitated;

the left end surface of the connecting plate 7 is fixedly connected with a clamping plate 12 positioned in the shell 1, a second through hole 13 is arranged in the clamping plate 12, and the bottom surface of the clamping plate 12 is connected with a spring 20, the clamping plate 12 is inserted in the shell 1 in a clamping way, and the clamping plate 12 and the binding post 14 form an integrated structure through a connecting block 15, and the catch plate 12 is in elastic contact with the inner wall of the housing 1 by means of the spring 20, so that when the fixing plate 10 is no longer fixed, the clamping plate 12 is rebounded to the original position by the spring 20, the binding post 14 is arranged at the left side of the clamping plate 12, the inner end surface of the binding post 14 is fixedly connected with the connecting block 15, and a first insulating block 16 is embedded inside the connecting block 15, a conductive plate 17 is attached to the left end surface of the terminal 14, and a second insulating block 18 is embedded in the conductive plate 17, and a lead 19 is electrically connected to the left end surface of the conductive plate 17.

As shown in fig. 1 and 3, the connecting plate 7 has a sliding structure on the housing 1, the wire connection ports 9 are uniformly distributed on the connecting plate 7, and the positions of the wire connection ports 9 correspond to the positions of the second through holes 13, so that the posts 14 can be conveniently changed in position by sliding the connecting plate 7.

As shown in fig. 2, the top end of the fixing plate 10 is in a rectangular groove-shaped structure, the top end of the fixing plate 10 is fixed on the outer surface of the connecting plate 7 in a snap-fit manner, and the protruding rod 11 and the fixing plate 10 are connected in a sleeved manner, so that the protruding rod 11 can slide on the fixing plate 10 and be inserted into the inside of the slot 6, so that the fixing plate 10 is fixed.

The working principle is as follows: when the high-sensitivity molded case circuit breaker is used, the case 1 is firstly attached to a wall together with the mounting block 4, and then a fastening member such as a bolt for fixing is inserted into the first through hole 5 shown in fig. 1 to fix the circuit breaker;

after the fixing, the insulation protection can be performed at the housing 1 by using the insulation pad 3, and then the electric wire is passed through the wiring port 9 and inserted into the second through hole 13 shown in fig. 3 and 4 to be connected with the terminal 14 to complete the circuit, and the circuit breaker can perform the normal circuit transmission through the conductive plate 17 and the lead wire 19;

when a short circuit occurs, the switch 2 on the housing 1 will automatically trip to block the circuit, if the circuit breaker fails, the circuit breaker cannot automatically break the circuit, at this time, a worker can manually pull the fixing plate 10 downwards, the connecting plate 7 and the clamping plate 12 integrally move downwards under the drive of the base 8, so that the convex rod 11 corresponds to the position of the notch 6 shown in fig. 2, and then the convex rod 11 slides on the fixing plate 10 to be inserted into the notch 6, so that the fixing plate 10 is fixed;

in the process of moving the card board 12 downwards, the terminal 14 is driven by the connecting block 15 to move downwards, so that the terminal is not attached to the conductive plate 17 any more, but is attached to the second insulating block 18 on the conductive plate 17, and at this time, the spring 20 shown in fig. 3 is compressed to manually cut off the circuit, after the short circuit problem is processed, the protruding rod 11 is pulled out, and at this time, the card board 12 is rebounded to the original position under the elastic action of the spring 20, which is the whole process of using the high-sensitivity molded case circuit breaker, and what is not described in detail in this specification belongs to the prior art known to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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. A high-sensitivity molded case circuit breaker includes a case (1), a conductive plate (17) and a wire (19), characterized in that: the switch (2) is mounted on the front end surface of the shell (1), the upper surface and the lower surface of the shell (1) are connected with an insulating pad (3) in a sticking mode, the outer surface of the insulating pad (3) is fixedly connected with a mounting block (4), a first through hole (5) is reserved in the outer surface of the mounting block (4), a notch (6) is formed in the left end surface of the mounting block (4) at the bottom of the shell (1), a connecting plate (7) is attached to the right end surface of the shell (1), a base (8) is fixedly connected to the right end surface of the connecting plate (7), wiring ports (9) located on the connecting plate (7) are formed in the upper side and the lower side of the base (8), a fixing plate (10) is connected to the outer surface of the base (8), and a convex rod (11) is connected;

the utility model discloses a solar energy collector, including connecting plate (7), cardboard (12) that the left end fixed surface of connecting plate (7) is located shell (1) inside, and second through-hole (13) have been seted up to the inside of cardboard (12) to the bottom surface of cardboard (12) is connected with spring (20), the left side of cardboard (12) is provided with terminal (14), and the inner fixed surface of terminal (14) is connected with connecting block (15) to the inside embedding of connecting block (15) has first insulating block (16), the left end surface laminating of terminal (14) has current conducting plate (17), and the inside embedding of current conducting plate (17) has second insulating block (18), the left end surface electric connection of current conducting plate (17) has wire (19).

2. The high-sensitivity molded case circuit breaker according to claim 1, wherein: the connecting plate (7) is of a sliding structure on the shell (1), the wiring ports (9) are uniformly distributed on the connecting plate (7), and the positions of the wiring ports (9) correspond to the positions of the second through holes (13).

3. The high-sensitivity molded case circuit breaker according to claim 1, wherein: the top end of the fixing plate (10) is of a rectangular groove-shaped structure, the top end of the fixing plate (10) is clamped and fixed on the outer surface of the connecting plate (7), and the convex rod (11) and the fixing plate (10) are connected in a sleeved mode.

4. The high-sensitivity molded case circuit breaker according to claim 1, wherein: the diameter size of the convex rod (11) is the same as that of the notch (6), and the fixing plate (10) and the shell (1) are fixed through the clamping of the convex rod (11) and the notch (6).

5. The high-sensitivity molded case circuit breaker according to claim 1, wherein: the clamping plate (12) is inserted into the shell (1) in a clamping mode, the clamping plate (12) and the binding post (14) form an integrated structure through a connecting block (15), and the clamping plate (12) is in elastic contact with the inner wall of the shell (1) through a spring (20).