CN212934516U

CN212934516U - Plug-in circuit breaker convenient to operate

Info

Publication number: CN212934516U
Application number: CN202022119314.7U
Authority: CN
Inventors: 谭华
Original assignee: Chongqing Yunfa Electric Technology Co ltd
Current assignee: Chongqing Yunfa Electric Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-04-09
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a simple operation type plug-in circuit breaker, including the circuit breaker main part, seted up a plurality of inserting grooves on the circuit breaker, be provided with metal shrapnel in the inserting groove, the last contact that is equipped with of metal shrapnel, the notch department of inserting groove is provided with the dop, has pegged graft in the inserting groove and has connect plug terminal, plug terminal includes insulating cover and connecting block, and the connecting block inlays the bottom of establishing at insulating cover, and when insulating cover inserted the inserting groove in, the top of dop articulates the top edge at insulating cover, and the bottom and the contact of connecting block contact. This plug-in circuit breaker of simple operation type has spliced terminal through setting up the inserting groove in the circuit breaker main part and in the inserting groove for the circuit breaker main part can insert the inserting groove with inserting terminal after the cable inserts in advance with inserting terminal, makes the metal shrapnel in the circuit breaker main part contact with the connecting block on the inserting terminal, reaches the purpose that the cable is connected, convenient operation.

Description

Plug-in circuit breaker convenient to operate

Technical Field

The utility model relates to the technical field of electrical equipment, specifically be a simple operation type plug-in 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 breaker is in the installation back need be connected to the circuit breaker with the cable, sometimes receives the space restriction, and the inconvenient directness of cable is connected with the circuit breaker for the work of being connected of cable and circuit breaker is wasted time and energy, and in view of this, we provide a simple operation type plug-in circuit breaker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple operation type plug-in circuit breaker 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 plug-in circuit breaker convenient to operate comprises a circuit breaker main body, wherein a plurality of plug-in grooves are formed in the head end and the tail end of the circuit breaker main body, through grooves communicated with the plug-in grooves are formed in the outer end of the circuit breaker main body, metal elastic pieces extending into the circuit breaker main body are plugged into the inner side groove walls of the plug-in grooves, contacts are integrally formed at the top positions of the tail ends of the metal elastic pieces, hook-shaped clamping heads are integrally formed at the positions, close to the groove openings of the through grooves, of the top surface of the circuit breaker main body, plug-in terminals are plugged into the plug-in grooves and comprise insulating sleeves and connecting blocks, the sizes of the insulating sleeves are matched with the sizes of the plug-in grooves, bottom cavities used for embedding the connecting blocks are formed in the bottom ends of the insulating sleeves, the front end surfaces of the insulating sleeves are communicated with the insides of the connecting blocks, and shifting blocks, when the insulating sleeve is inserted into the insertion groove, the top end of the clamping head is hung at the edge of the top end of the insulating sleeve, and the bottom end of the connecting block is in contact with the contact.

Preferably, a spring is sleeved at the groove bottom of the insertion groove, and the bottom surface of the tail end of the metal elastic sheet is abutted to the top end of the spring.

Preferably, the front end of the insulating sleeve is integrally formed with an insulating convex column, and a communication hole communicated with the bottom cavity is formed in the insulating convex column.

Preferably, the top end of the insulating sleeve is provided with a vertical hole, the bottom end of the vertical hole is communicated with the bottom cavity, the connecting block is provided with an inserting hole aligned with the communicating hole, the top end of the connecting block is in threaded connection with a tightening bolt, and the tightening bolt is located in the vertical hole.

Preferably, a flexible sleeve is sleeved on the periphery of the insulating convex column, and the flexible sleeve is tightly bonded with the insulating convex column.

Preferably, the metal elastic sheet and the connecting block are both made of conductive metal materials, and the insulating sleeve and the flexible sleeve are both made of non-conductive insulating materials.

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

this plug-in circuit breaker of simple operation type has spliced terminal through setting up the inserting groove in the circuit breaker main part and in the inserting groove for the circuit breaker main part can insert the inserting groove with inserting terminal after the cable inserts in advance with inserting terminal, makes the metal shrapnel in the circuit breaker main part contact with the connecting block on the inserting terminal, reaches the purpose that the cable is connected, convenient operation.

Drawings

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

fig. 2 is a schematic view of a partial structure of a main body of a circuit breaker according to the present invention;

fig. 3 is a schematic structural view of the plug terminal of the present invention;

fig. 4 is a cross-sectional view of the middle insulation sleeve of the present invention.

The meaning of each reference number in the figures is:

1. a circuit breaker main body; 11. inserting grooves; 111. a through groove; 112. a spring; 12. a metal spring sheet; 121. a contact; 13. Clamping a head; 2. a plug-in terminal; 21. an insulating sleeve; 211. a bottom cavity; 212. an insulating convex column; 2121. a communicating hole; 213. vertical holes; 214. shifting blocks; 22. connecting blocks; 221. inserting holes; 222. tightly abutting against the bolt; 23. a flexible sleeve.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "a", "an", and "the" mean two or more unless explicitly limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a plug-in circuit breaker of simple operation type, including circuit breaker main part 1, a plurality of inserting groove 11 have all been seted up at the first and last both ends of circuit breaker main part 1, the logical groove 111 that is linked together with inserting groove 11 is seted up to circuit breaker main part 1's outer end, it has the metal shrapnel 12 that stretches into circuit breaker main part 1 inside to peg graft on the inboard cell wall of inserting groove 11, metal shrapnel 12 terminal top position department integrated into one piece has contact 121 to make cable and circuit breaker main part 1 be connected through contacting cable and contact 121. A hook-shaped chuck 13 is integrally formed at a position, close to the notch of the through groove 111, on the top surface of the circuit breaker main body 1, a plug terminal 2 is inserted in the plug groove 11, the plug terminal 2 comprises an insulating sleeve 21 and a connecting block 22, the size of the insulating sleeve 21 is matched with the size of the plug groove 11, a bottom cavity 211 for embedding the connecting block 22 is formed at the bottom end of the insulating sleeve 21, the front end surface of the insulating sleeve 21 is communicated with the inside of the connecting block 22, shift blocks 214 are integrally formed at the left and right side edges of the top end of the insulating sleeve 21, when the insulating sleeve 21 is inserted into the plug groove 11, the top end of the chuck 13 is hung at the top edge of the insulating sleeve 21, so that the plug terminal 2 is limited in the plug groove 11, the purpose of rapidly installing the plug terminal 2 is achieved, meanwhile, when the chuck 13 is elastically deformed and kept away from the plug terminal 2 by moving the chuck 13, the shift block 214 can be shifted upwards to drive the shift block 214 to, the purpose of conveniently disassembling and assembling the plug-in terminal 2 is achieved. The bottom end of the connecting block 22 contacts with the contact 121, so that the cable, the connecting block 22 and the metal dome 12 are electrically connected.

In this embodiment, the spring 112 is sleeved at the slot bottom of the insertion slot 11, and the bottom surface of the end of the metal elastic sheet 12 abuts against the top end of the spring 112, so that when the insertion terminal 2 is inserted into the insertion slot 11, the contact 121 can always contact with the connection block 22 under the elastic action of the spring 112, thereby achieving the purpose of conducting electricity and preventing the circuit connection from being interrupted.

Specifically, an insulating convex column 212 is integrally formed at the front end of the insulating sleeve 21, a communication hole 2121 communicated with the bottom cavity 211 is formed in the insulating convex column 212, and a plug hole 221 aligned with the communication hole 2121 is formed in the connecting block 22, so that the head of the cable can extend into the plug hole 221 from the communication hole 2121.

Furthermore, a vertical hole 213 is formed in the top end of the insulating sleeve 21, the bottom end of the vertical hole 213 is communicated with the bottom cavity 211, a fastening bolt 222 is connected to the top end of the connecting block 22 in a threaded manner, the fastening bolt 222 is located in the vertical hole 213, and when the head of the cable extends into the inserting hole 221, the cable can be fixed in the connecting block 22 by screwing the fastening bolt 222.

In addition, the periphery of the insulating convex column 212 is sleeved with the flexible sleeve 23, the flexible sleeve 23 is tightly bonded with the insulating convex column 212, and the flexible sleeve 23 is used for sleeving the cable exposed outside the insulating convex column 212 to prevent an electric shock phenomenon.

It should be noted that the metal elastic sheet 12 and the connection block 22 are made of conductive metal materials, so that the cable can be electrically connected with the inside of the circuit breaker main body 1 after being fixed in the connection block 22 by the fastening bolt 222 and when the contact 121 contacts with the connection block 22. The insulating sleeve 21 and the flexible sleeve 23 are made of non-conductive insulating materials, so that electric shock of workers can be prevented.

When the plug-in circuit breaker convenient and fast to operate in this embodiment is used, firstly, after the cable sheath part of the cable is stripped, the exposed head of the cable is inserted into the plug-in hole 221 from the communication hole 2121, then the tight bolt 222 tightly supports the cable in the plug-in hole 221 when the tight bolt 222 is screwed by using a tool, finally, after the plug-in terminal 2 with the installed cable is aligned with the plug-in groove 11, the plug-in terminal 2 is inserted into the plug-in groove 11 until the top end of the chuck 13 is hooked to the top end edge of the insulating sleeve 21, the plug-in terminal 2 stops being plugged, at this time, the metal elastic piece 12 makes the contact 121 and the bottom end of the connecting block 22 contact all the time under the action of the spring 112, so that the cable, the connecting block 22 and the metal elastic piece 12 are in an electrically connected state, thereby completing the connection work of the cable, when the cable needs to be detached, the chuck 13 elastically deforms and is far away from the plug-in place of the plug-in the cable And the aim of conveniently disassembling and assembling the plug terminal 2 is fulfilled.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a simple operation type plug-in circuit breaker, includes circuit breaker main part (1), its characterized in that: the circuit breaker comprises a circuit breaker main body (1), wherein a plurality of inserting grooves (11) are formed in the head end and the tail end of the circuit breaker main body (1), a through groove (111) communicated with the inserting grooves (11) is formed in the outer end of the circuit breaker main body (1), a metal elastic sheet (12) extending into the circuit breaker main body (1) is inserted into the inner side groove wall of the inserting grooves (11), a contact (121) is integrally formed at the top position of the tail end of the metal elastic sheet (12), a hook-shaped clamping head (13) is integrally formed at the position, close to the groove opening of the through groove (111), of the top surface of the circuit breaker main body (1), an inserting terminal (2) is inserted into the inserting grooves (11), the inserting terminal (2) comprises an insulating sleeve (21) and a connecting block (22), the size of the insulating sleeve (21) is matched with the size of the inserting grooves (11), a bottom cavity (211) for embedding the connecting block (22) is formed in the, the front end face of the insulating sleeve (21) is communicated with the inside of the connecting block (22), shifting blocks (214) are integrally formed at the edges of the left side and the right side of the top end of the insulating sleeve (21), when the insulating sleeve (21) is inserted into the insertion groove (11), the top end of the clamping head (13) is hung at the edge of the top end of the insulating sleeve (21), and the bottom end of the connecting block (22) is in contact with the contact (121).

2. The plug-in circuit breaker of claim 1, characterized in that: the spring (112) is sleeved at the groove bottom of the insertion groove (11), and the bottom surface of the tail end of the metal elastic sheet (12) is abutted to the top end of the spring (112).

3. The plug-in circuit breaker of claim 1, characterized in that: an insulating convex column (212) is integrally formed at the front end of the insulating sleeve (21), and a communication hole (2121) communicated with the bottom cavity (211) is formed in the insulating convex column (212).

4. The plug-in circuit breaker of claim 3, characterized in that: the top end of the insulating sleeve (21) is provided with a vertical hole (213), the bottom end of the vertical hole (213) is communicated with the bottom cavity (211), the connecting block (22) is provided with an inserting hole (221) aligned with the communicating hole (2121), the top end of the connecting block (22) is in threaded connection with a fastening bolt (222), and the fastening bolt (222) is located in the vertical hole (213).

5. The plug-in circuit breaker of claim 4, wherein: the periphery of the insulating convex column (212) is sleeved with a flexible sleeve (23), and the flexible sleeve (23) is tightly bonded with the insulating convex column (212).

6. The plug-in circuit breaker of claim 5, wherein: the metal elastic sheet (12) and the connecting block (22) are both made of conductive metal materials, and the insulating sleeve (21) and the flexible sleeve (23) are both made of non-conductive insulating materials.