CN212161718U

CN212161718U - Miniature circuit breaker convenient to concatenation

Info

Publication number: CN212161718U
Application number: CN202020833153.5U
Authority: CN
Inventors: 陈建武; 杜建中
Original assignee: Jiangsu Feal Electrical Appliances Co ltd
Current assignee: Jiangsu Feal Electrical Appliances Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-12-15
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a miniature circuit breaker convenient to concatenation, which comprises a housin, the inboard rotation of casing front end is connected with the rotating head, and the rotating head right side is fixed with the cross axle, the cross axle right-hand member sets up inside the screw rod, and screw rod and casing front end right side threaded connection, the screw has been seted up in casing front end left side, both sides all seted up flutedly about the casing, and the inside upper end that is provided with of casing upside recess, simultaneously can the inside lower terminal that is provided with of downside recess. This miniature circuit breaker convenient to concatenation is provided with rotating head, cross and screw rod, rotates the rotating head, and the rotating head drives the screw rod through the cross and rotates, and inside the screw on the rotatory entering right side casing of screw rod, two adjacent casing connection fastenings make, are connected with the screw on the casing of the leftmost side through the hex bolts on the installation base, are convenient for fix the miniature circuit breaker of a plurality of concatenations on the installation base, use more in a flexible way.

Description

Miniature circuit breaker convenient to concatenation

Technical Field

The utility model relates to a miniature circuit breaker technical field specifically is a miniature circuit breaker convenient to concatenation.

Background

A miniature circuit breaker is a miniature circuit protection device used primarily for overload and short circuit protection of lighting, distribution lines and equipment in office buildings, residences and similar buildings.

The terminal and the cable junction of current miniature circuit breaker set up inside the circuit breaker, need take the miniature circuit breaker apart completely when needing to change the cable, and the operation process is complicated, and it is very inconvenient to use to current miniature circuit breaker fixes on the mounting panel usually, and this kind of fixed mode receives the hole site restriction of predetermineeing of mounting panel easily, uses to have certain limitation, to above-mentioned problem, needs to improve current equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature circuit breaker convenient to concatenation to the terminal and the cable junction setting of the current miniature circuit breaker who proposes in solving above-mentioned background art need unpack miniature circuit breaker completely when needing to change the cable inside the circuit breaker, and the operation process is complicated, and it is very inconvenient to use, and current miniature circuit breaker is fixed on the mounting panel usually, and this kind of fixed mode receives the hole site restriction of predetermineeing of mounting panel easily, uses the problem that has certain limitation.

In order to achieve the above object, the utility model provides a following technical scheme: a miniature circuit breaker convenient for splicing comprises a shell, wherein the inner side of the front end of the shell is rotatably connected with a rotating head, and the right side of the rotating head is fixed with a cross axle, the right end of the cross axle is arranged in the screw rod, and the screw rod is in threaded connection with the right side of the front end of the shell, the left side of the front end of the shell is provided with a screw hole, the upper side and the lower side of the shell are both provided with grooves, an upper terminal is arranged in the groove on the upper side of the shell, meanwhile, a lower terminal can be arranged in the lower side groove, a first bolt is connected in the upper terminal and the lower terminal in a threaded manner, the first bolt penetrates through the rear side of the shell, the outer side of the groove is provided with a protective cover, a second bolt penetrates through the protective cover, the second bolt is in threaded connection with the shell, the surface of the protective cover is provided with a through hole, and one side of the protective cover, which is far away from the groove, is provided with a locking block, and the outer side of the locking block is in threaded connection with a threaded sleeve.

Preferably, the cross section of the cross shaft is in a cross shape, the cross shaft is connected with the screw rod in a sliding mode, and the outer end of the cross shaft is attached to the inner wall of the screw rod.

Preferably, the outer diameter of the screw is the same as the diameter of the screw hole, and the length of the screw is larger than that of the screw hole.

Preferably, the center of the screw and the center of the screw hole are located on the same horizontal straight line.

Preferably, the protective cover is provided with two second bolts, and the two bolts on the protective cover are symmetrically arranged by taking the middle point of the protective cover as the center.

Preferably, the locking blocks are provided with two groups, and the two groups of locking blocks are distributed in an annular array shape by taking one through hole as the center.

Compared with the prior art, the beneficial effects of the utility model are that: the small-sized circuit breaker which is convenient to splice,

(1) the rotary head is rotated, the screw rod is driven to rotate by the rotary head through the cross shaft, the screw rod rotates to enter the screw hole in the right shell, two adjacent shells are connected and fastened, and the screw hole in the leftmost shell is connected through the hexagon bolt on the mounting base, so that a plurality of spliced miniature circuit breakers can be conveniently fixed on the mounting base, and the use is more flexible;

(2) set up protection casing and second bolt, the cable passes the through-hole and is connected with last terminal or lower terminal, rotates the second bolt, makes the protection casing be connected with the casing, plays the effect of closed recess, rotates the swivel nut, makes the latch segment shrink, and the locking cable of being convenient for reduces the part that needs the dismantlement when changing, and it is more convenient to use.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of the right side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. the novel bolt comprises a shell, 2, a rotating head, 3, a cross shaft, 4, a screw rod, 5, a screw hole, 6, a groove, 7, an upper terminal, 8, a lower terminal, 9, a first bolt, 10, a protective cover, 11, a second bolt, 12, a through hole, 13, a locking block, 14 and a threaded 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.

Referring to fig. 1-4, the present invention provides a technical solution: a miniature circuit breaker convenient for splicing is disclosed, as shown in figure 1, figure 2 and figure 4, the inner side of the front end of a shell 1 is rotatably connected with a rotating head 2, the right side of the rotating head 2 is fixed with a cross shaft 3, the cross shaft 3 is cross-shaped in cross section, the cross shaft 3 is connected with a screw rod 4 in a sliding way, the outer end of the cross shaft 3 is attached to the inner wall of the screw rod 4, the rotating head 2 is rotated, the rotating head 2 drives the screw rod 4 to rotate through the cross shaft 3, the right end of the cross shaft 3 is arranged in the screw rod 4, the screw rod 4 is in threaded connection with the right side of the front end of the shell 1, the outer diameter of the screw rod 4 is the same as the aperture of the screw hole 5, the length of the screw rod 4 is larger than that of the screw hole 5, the screw rod 4 on the shell 1 on the left side is matched with the screw hole 5 on the shell 1 on the, make two adjacent casings 1 connect the back and be located same horizontal plane, screw 5 has been seted up in casing 1 front end left side, and casing 1 upper and lower both sides are all seted up flutedly 6, and 1 upside recess 6 inside of casing is provided with upper terminal 7, can be simultaneously 6 inside lower terminals 8 that are provided with of downside recess.

As shown in fig. 1 and 3, a first bolt 9 is connected to the inside of the upper terminal 7 and the inside of the lower terminal 8 by threads, the first bolt 9 penetrates the rear side of the housing 1, a protective cover 10 is arranged outside the groove 6, a second bolt 11 penetrates the protective cover 10, two second bolts 11 are arranged on the protective cover 10, the two bolts on the protective cover 10 are symmetrically arranged by taking the midpoint of the protective cover 10 as the center, the two second bolts 11 connect and fasten the protective cover 10 to the housing 1 to seal the groove 6, the second bolts 11 are connected to the housing 1 by threads, a through hole 12 is formed on the surface of the protective cover 10, a locking block 13 is arranged on one side of the protective cover 10 away from the groove 6, two groups of locking blocks 13 are arranged, the two groups of locking blocks 13 are respectively distributed in an annular array by taking one through hole 12 as the center, a threaded sleeve 14 is matched with the locking block 13 to lock the cable, so as to, the outside of the locking block 13 is connected with a threaded sleeve 14 in a threaded manner.

The working principle is as follows: when the miniature circuit breaker convenient to splice is used, firstly, the rotating head 2 is rotated, the rotating head 2 drives the screw rod 4 to rotate through the cross shaft 3, so that the screw rod 4 rotates rightwards, the screw rod 4 on the left shell 1 rotates to enter the screw hole 5 on the right shell 1, so that two adjacent shells 1 are connected and fastened, similarly, after the splicing of the shells 1 is completed, the hexagonal bolt is rotated, so that the mounting seat is connected and fastened with the leftmost shell 1, the shells 1 are convenient to mount on the mounting seat and are more flexible to use, the first cable passes through the through hole 12 to be connected with the upper terminal 7, the first bolt 9 is rotated, the first cable is fixedly fastened with the upper terminal 7, the second bolt 11 is rotated, the second bolt 11 is matched with the shell 1 to fix the protective cover 10 to play a role of sealing the groove 6, the screw sleeve 14 on the upper side of the shell 1 is rotated, the screw sleeve 14 moves towards the direction far away from the shell 1 along, until the screw sleeve 14 and the locking block 13 are matched to lock the first cable, in the same way, the second cable is connected and fastened with the lower terminal 8, the protective cover 10 on the lower side of the shell 1 is fixed, the locking block 13 and the screw sleeve 14 of the shell 1 are matched to lock the second cable, so that the number of parts needing to be disassembled during replacement is reduced, the use is more convenient, all the work is completed, and the content which is not described in detail in the specification belongs to the prior art which is known by technicians in the field.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A miniature circuit breaker convenient to concatenation, includes casing (1), its characterized in that: the inner side of the front end of the shell (1) is rotatably connected with a rotating head (2), the right side of the rotating head (2) is fixedly provided with a cross shaft (3), the right end of the cross shaft (3) is arranged inside a screw rod (4), the screw rod (4) is in threaded connection with the right side of the front end of the shell (1), the left side of the front end of the shell (1) is provided with a screw hole (5), the upper side and the lower side of the shell (1) are respectively provided with a groove (6), an upper terminal (7) is arranged inside the groove (6) on the upper side of the shell (1), a lower terminal (8) is arranged inside the groove (6) on the lower side, the inner part of the upper terminal (7) and the inner part of the lower terminal (8) are respectively in threaded connection with a first bolt (9), the first bolt (9) penetrates through the rear side of the shell (1), the outer side of the groove (, second bolt (11) and casing (1) threaded connection, through-hole (12) have been seted up on protection casing (10) surface, and protection casing (10) keep away from one side of recess (6) and be provided with latch segment (13), latch segment (13) outside threaded connection has swivel nut (14).

2. A miniature circuit breaker facilitating splicing according to claim 1, wherein: the cross section of the cross shaft (3) is in a cross shape, the cross shaft (3) is connected with the screw (4) in a sliding mode, and the outer end of the cross shaft (3) is attached to the inner wall of the screw (4).

3. A miniature circuit breaker facilitating splicing according to claim 1, wherein: the outer diameter of the screw rod (4) is the same as the aperture of the screw hole (5), and the length of the screw rod (4) is larger than that of the screw hole (5).

4. A miniature circuit breaker facilitating splicing according to claim 1, wherein: the center of the screw rod (4) and the center of the screw hole (5) are positioned on the same horizontal straight line.

5. A miniature circuit breaker facilitating splicing according to claim 1, wherein: two second bolts (11) are arranged on the protective cover (10), and the two bolts on the protective cover (10) are symmetrically arranged by taking the middle point of the protective cover (10) as the center.

6. A miniature circuit breaker facilitating splicing according to claim 1, wherein: the locking blocks (13) are arranged in two groups, and the two groups of locking blocks (13) are distributed in an annular array shape by taking one through hole (12) as the center.