CN218351300U

CN218351300U - Protective switch for current overload

Info

Publication number: CN218351300U
Application number: CN202221543413.0U
Authority: CN
Inventors: 张文雨
Original assignee: Shanghai Hangjing Electronic Technology Co ltd
Current assignee: Shanghai Hangjing Electronic Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2023-01-20
Anticipated expiration: 2032-06-20

Abstract

The utility model belongs to the field of protection switches, in particular to a protection switch for current overload, which comprises a switch body and a switch handle rotatably arranged at the front end of the switch body, wherein wiring grooves are respectively arranged at the top and the bottom of the switch body, bolt holes communicated with the wiring grooves are respectively arranged at the upper end and the lower end of the front side surface of the switch body, and a wiring frame is arranged in the wiring grooves; through the top at the switch body set up the wire holder that is used for installing the wire, the wire holder is located the rear of wire connection slot, wire holder groove is seted up at wire holder seat's top, can fix the wire position of access, to the installation of three to four wires, can every fix in proper order on pressing from both sides the groove, make things convenient for putting of wire, and also set up the wire casing of centre gripping wire on corresponding activity clamping piece and the connection frame, can restrict in advance the position of wire, avoid the crisscross overlapping of wire, after pressing from both sides tightly, can guarantee the stability that the wire electricity is connected.

Description

Protective switch for current overload

Technical Field

The utility model relates to a protection switch field specifically is a protection switch for electric current overload.

Background

The air switch is a kind of circuit breaker, it is a kind of switch that will break automatically as long as the current exceeds the rated current in the circuit, the air switch is a very important electric apparatus in the low voltage distribution network and electric power dragging system, it integrates control and many kinds of protection functions, besides can finish contacting and breaking the circuit, can still protect short circuit, serious overload and undervoltage, etc. that circuit or electrical equipment take place, can also be used for starting the electric motor infrequently at the same time.

Two or three wires can be installed to its electrical connection end of current air switch usually, still can connect four wires to some complicated circuits, and the hardness of wire is harder usually, in narrow and small terminal box, inconvenient inserts many wires simultaneously in the wiring groove to at the in-process of centre gripping, because the stack of wire, can also make the wire not clamped by the terminal, and the stability of electric connection is influenced in the not hard up that leads to. Accordingly, one skilled in the art provides a protection switch for current overload to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection switch for electric current overload to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a protection switch for electric current overload, installs including the switch body and rotation the switch handle of switch body front end, the wire connection groove has all been seted up to the top and the bottom of the switch body, on the leading flank of the switch body, the lower extreme all seted up with the bolt hole of wire connection groove intercommunication, the internally mounted of wire connection groove has the wire connection frame, the inside rotation of bolt hole installs clamping bolt, the inside movable mounting of wire connection frame has movable clamping piece, clamping bolt's tip with the activity clamping piece rotates to be connected, the wire casing has all been seted up on the side that wire connection frame is relative with the activity clamping piece, the top of the switch body corresponds the fixed fastener seat that is equipped with in rear of wire connection groove, set up the fastener groove that holds the wire on the fastener seat.

As a further aspect of the present invention: three to four wire clamp grooves are formed in the top of the wire clamp seat, and the number of the wire grooves in the corresponding wire frame and the movable clamping piece is three to four.

As a further aspect of the present invention: the switch is characterized in that a clamping groove is formed in the rear side face of the switch body, the rear side face of the switch body corresponds to the top of the clamping groove, a fixed buckle is fixedly arranged on the top of the clamping groove, a spring seat is fixedly arranged on the rear side face of the switch body, and a movable buckle is elastically mounted on the spring seat.

As the utility model discloses further scheme again: the movable buckle can be elastically moved up and down on the inner side of the spring seat.

As a further aspect of the present invention: the bottom of movable buckle is fixed and is equipped with the buckle arm-tie, the buckle arm-tie is located the below of spring holder.

As a further aspect of the present invention: and the buckle pulling plate is provided with a screw hole.

As a further aspect of the present invention: the end part of the clamping bolt penetrates through the wiring frame and is fixedly connected with the wiring frame in a threaded manner.

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

the utility model discloses a top at the switch body sets up the wire clip seat that is used for installing the wire, the wire clip seat is located the rear of wiring groove, the wire clip groove is seted up at the top of wire clip seat, can fix the wire position of inserting, to the installation of three to four wires, can every fix in proper order on pressing from both sides the groove, make things convenient for putting of wire to insert, and also set up the wire casing of centre gripping wire on corresponding activity clamping piece and the connection terminal, can restrict in advance the position of wire, avoid the crisscross overlapping of wire, after pressing from both sides tightly, can guarantee the stability that the wire electricity is connected.

Drawings

Fig. 1 is a schematic diagram of a protection switch for current overload;

fig. 2 is a schematic diagram of a front view of a protection switch for current overload;

fig. 3 is a schematic diagram of a side view of a protection switch for current overload;

fig. 4 is a schematic top view of a terminal block of a protection switch for current overload.

In the figure: 1. a switch body; 101. a card slot; 102. a wiring slot; 103. bolt holes; 11. a fixed buckle; 12. a spring seat; 2. a switch handle; 3. a movable buckle; 31. a buckle pulling plate; 32. a screw hole; 4. a wire holder base; 41. a wire clamp slot; 5. clamping the bolt; 6. a wiring frame; 61. a movable clamping piece; 62. a wire slot.

Detailed Description

Please refer to fig. 1-4, in an embodiment of the present invention, a protection switch for current overload includes a switch body 1 and a switch handle 2 rotatably mounted at the front end of the switch body 1, a wiring groove 102 is both formed at the top and the bottom of the switch body 1, bolt holes 103 communicated with the wiring groove 102 are both formed at the upper and the lower ends of the front side of the switch body 1, a wiring frame 6 is mounted inside the wiring groove 102, a clamping bolt 5 is mounted inside the bolt holes 103, a movable clamping piece 61 is movably mounted inside the wiring frame 6, the end of the clamping bolt 5 is rotatably connected with the movable clamping piece 61, a wire slot 62 is formed at the side of the wiring frame 6 opposite to the movable clamping piece 61, a wire clamp seat 4 is fixedly disposed at the rear of the switch body 1 corresponding to the wiring groove 102, and a wire clamp slot 41 for accommodating a wire is formed in the wire clamp seat 4.

In this embodiment, through set up the wire holder 4 that is used for installing the wire at the top of switch body 1, wire holder 4 is located the rear of wiring groove 102, wire holder groove 41 is seted up at the top of wire holder 4, can fix the wire position of access, to the installation of three to four wires, can every fix in proper order on wire holder groove 41, make things convenient for the ann of wire to insert, and also set up the wire casing 62 of centre gripping wire on corresponding movable clamping piece 61 and the terminal frame 6, can restrict in advance the position of wire, avoid the crisscross overlapping of wire, after pressing from both sides tightly, can guarantee the stability that the wire electricity is connected.

Specifically, three to four wire holder grooves 41 have been seted up at the top of wire holder seat 4, wire casing 62 quantity on corresponding wire frame 6 and the activity clamping piece 61 sets up to three to four, when the wiring, can be with many wires, installation in proper order is fixed in advance on wire holder groove 41, avoid the wire position in a confused state of mind to run, then insert the end of a thread of wire on wire frame 6 and the wire casing 62 between the activity clamping piece 61, at last screwing up clamping bolt 5, make wire frame 6 and activity clamping piece 61 press from both sides the fastening to the wire and decide, and can guarantee the stability that the wire electricity is connected.

Specifically, a clamping groove 101 is formed in the rear side face of the switch body 1, a fixed buckle 11 is fixedly arranged on the rear side face of the switch body 1 corresponding to the top of the clamping groove 101, a spring seat 12 is fixedly arranged on the rear side face of the switch body 1 corresponding to the clamping groove 101, a movable buckle 3 is elastically mounted on the spring seat 12, the movable buckle 3 can elastically move up and down on the inner side of the spring seat 12, when the switch is installed, the clamping groove 101 in the rear side of the switch body 1 can be clamped on a cross rod of a distribution box, and the switch body 1 is kept fixed by clamping of the movable buckle 3.

Specifically, the bottom of the movable buckle 3 is fixedly provided with a buckle pulling plate 31, the buckle pulling plate 31 is positioned below the spring seat 12, the buckle pulling plate 31 is provided with a screw hole 32, when the switch body 1 needs to be detached, a screwdriver rod can be inserted into the screw hole 32, the buckle pulling plate 31 is pried and pulled downwards, the movable buckle 3 is separated from the cross rod in a downward moving mode, and the switch body 1 is taken down from the distribution box.

Specifically, the end of the clamping bolt 5 penetrates through the wiring frame 6 and is fixed with the wiring frame 6 in a threaded manner, and when the wire fixing device is used, the clamping bolt 5 is rotated by a screwdriver, so that the clamping bolt 5 and the wiring frame 6 are in threaded transmission, and the movable clamping piece 61 is pushed to clamp the wiring frame 6, so that a wire between the movable clamping piece 61 and the wiring frame 6 is fixed.

The utility model discloses a theory of operation is: when the switch body 1 is installed, the clamping groove 101 on the rear side of the switch body 1 can be clamped on a cross rod of a distribution box, the movable clamp 3 is used for clamping, the position of the switch body 1 is kept fixed, three to four wires can be installed, each wire can be sequentially fixed on the wire clamping groove 41, the position of the connected wire is fixed, the wire is convenient to install, the wire grooves 62 for clamping the wires are also arranged on the corresponding movable clamping pieces 61 and the wire connection frame 6, the positions of the wires can be limited in advance, the wires are prevented from being overlapped in a staggered mode, the stability of electric connection of the wires can be guaranteed after clamping, when the switch body 1 needs to be detached, a screw cutter bar can be inserted into the screw rod hole 32, the clamp pulling plate 31 is pried downwards, the movable clamp 3 is separated from the cross rod in a downward movable mode, and the switch body 1 is taken down from the distribution box.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a protection switch for electric current overload, its characterized in that installs including switch body (1) and rotation switch handle (2) of switch body (1) front end, wire casing (102) have all been seted up to the top and the bottom of switch body (1), the upper and lower extreme of the leading flank of switch body (1) all seted up with bolt hole (103) of wire casing (102) intercommunication, the internally mounted of wire casing (102) has wire frame (6), tight bolt (5) of clamp are installed in the internal rotation of bolt hole (103), the inside movable mounting of wire frame (6) has movable clamping piece (61), the tip of clamp bolt (5) with movable clamping piece (61) rotate to be connected, wire casing (62) have all been seted up on wire frame (6) and the relative side of movable clamping piece (61), the top of switch body (1) corresponds the fixed wire clamp seat (4) that is equipped with in rear of wire casing (102), set up wire clamp seat (41) that hold the wire on wire clamp seat (4).

2. A protection switch for current overload according to claim 1, characterized in that the top of the wire holder base (4) is opened with three to four wire holder slots (41), and the number of the wire slots (62) on the corresponding wire frame (6) and the movable clamping piece (61) is three to four.

3. The protection switch for current overload according to claim 1, wherein a slot (101) is formed on the rear side of the switch body (1), a fixed buckle (11) is fixedly arranged on the rear side of the switch body (1) corresponding to the top of the slot (101), a spring seat (12) is fixedly arranged on the rear side of the switch body (1) corresponding to the slot (101), and the movable buckle (3) is elastically mounted on the spring seat (12).

4. A protection switch for current overload according to claim 3, characterized in that the movable catch (3) is elastically movable up and down inside the spring seat (12).

5. A protection switch for current overload according to claim 4, characterized in that the bottom of the movable catch (3) is fixedly provided with a catch pull plate (31), and the catch pull plate (31) is positioned below the spring seat (12).

6. A protection switch for current overload according to claim 5, characterized in that the snap-action pulling plate (31) is provided with a screw hole (32).

7. A circuit breaker for current overloads according to claim 1, characterized in that the end of the clamping bolt (5) penetrates the terminal block (6) and is screwed to the terminal block (6).