CN212303298U

CN212303298U - Novel low-voltage current transformer structure

Info

Publication number: CN212303298U
Application number: CN202021008312.4U
Authority: CN
Inventors: 刘雪柳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-01-05
Anticipated expiration: 2030-06-05

Abstract

The utility model belongs to the technical field of current transformer, especially, a novel low-voltage current transformer structure, which comprises a body, the body is provided with a wiring end, the wiring end outside is provided with a fixing frame, the fixing frame is fixed on the body, the fixing frame is provided with an opening and closing piece, the opening and closing piece comprises a front sealing plate and an upper sealing plate, the front sealing plate and the upper sealing plate are integrally formed, and the front sealing plate is positioned on the front end surface of the fixing frame; through being provided with fixed frame in the outside of wiring end, the opening of fixed frame can be sealed to the opening and shutting piece on the fixed frame, and the opening and shutting piece can be opened and close on fixed frame, is convenient for work a telephone switchboard and protects the wiring end on the wiring end, and sliding connection has the cardboard on the last shrouding, and the cardboard can be directly cooperate with the block groove, and the slider cooperates with the spout, makes opening and shutting piece can be stable be connected with fixed frame, and is convenient for open and close, improves the effect of protection wiring end.

Description

Novel low-voltage current transformer structure

Technical Field

The utility model relates to a current transformer technical field specifically is a novel low pressure current transformer structure.

Background

The current transformer is an instrument for converting a large primary side current into a small secondary side current according to the electromagnetic induction principle to measure, and consists of a closed iron core and a winding, wherein the number of turns of the primary side winding of the current transformer is small, the primary side winding is connected in a line of a current to be measured in series, when current electric energy is measured in a low-voltage alternating current circuit, a live line is generally penetrated through a central through hole of the current transformer so as to sample the current of the live line, and the current transformer is provided with a terminal for wiring and can be connected with a lead wire to be used for the current transformer.

Chinese patent publication (CN209895905U) discloses a current transformer, the wire connects to binding post department earlier in this patent technology, rotate the protection casing again, the fixture block receives the extrusion of hook portion and promotes the elastic plate deformation, until the fixture block is located between hook portion and the pouring body, the elastic plate replies deformation, accomplish the protection, it is convenient fast to make it open and shut, but the mode through elastic connection, if the fixture block closely cooperates with hook portion, be not convenient for open the protection casing, if the fixture block is big with hook portion fit clearance, it is not hard up easily to make the protection casing connect, influence the effect of protection, therefore, technical personnel in the field provide a novel low-voltage current transformer structure, in order to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel low-voltage current transformer structure 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:

the utility model provides a novel low-voltage current transformer structure, includes the body, be equipped with the wiring end on the body, the wiring end outside is equipped with fixed frame, fixed frame is fixed on the body, be equipped with the piece of opening and shutting on the fixed frame, the piece of opening and shutting includes preceding shrouding and last shrouding, preceding shrouding with go up shrouding integrated into one piece, preceding shrouding is located on the fixed frame front end face, it is located to go up the shrouding on the fixed frame top end face, preceding shrouding bottom fixedly connected with slider, the slider with fixed frame sliding connection, just go up shrouding one end sliding connection has the cardboard, the cardboard with fixed.

As a further aspect of the present invention: and threading holes corresponding to the wiring ends are formed in the two sides of the fixing frame.

As a further aspect of the present invention: the fixed frame is provided with a sliding groove, the sliding block slides in the sliding groove, and the sliding groove and the sliding block are in a cross shape.

As a further aspect of the present invention: one end of the front sealing plate, which is far away from the clamping plate, is fixedly connected with a connecting plate, and the connecting plate is provided with a groove in a penetrating manner.

As a further aspect of the present invention: the upper sealing plate is provided with a mounting groove, and the clamping plate slides in the mounting groove.

As a further aspect of the present invention: the mounting groove inner wall both sides have all been seted up the constant head tank, the equal fixedly connected with locating piece in cardboard both sides, the locating piece slides in the constant head tank.

As a further aspect of the present invention: the fixing frame is provided with a clamping groove, and the clamping plate is clamped in the clamping groove.

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

through the outside at the wiring end is provided with fixed frame, the opening of fixed frame can be sealed to the opening and shutting piece on the fixed frame, the opening and shutting piece can be opened and close on fixed frame, be convenient for wiring and protecting the wiring end on the wiring end, sliding connection has the cardboard on the last shrouding, the cardboard can directly cooperate with the block groove, the slider cooperates with the spout, make the opening and shutting piece can be stable be connected with fixed frame, and be convenient for open and close, improve the effect of protecting the wiring end, and the connecting plate that sets up is located preceding shrouding, make when the operation, only need act on in the recess on the connecting plate, can stimulate the opening and shutting piece, make the opening and shutting piece open from fixed frame, convenient operation.

Drawings

FIG. 1 is a schematic structural diagram of a novel low-voltage current transformer structure;

FIG. 2 is a schematic structural view of a front sealing plate in a novel low-voltage current transformer structure;

FIG. 3 is a schematic structural view of a clamping plate in a novel low-voltage current transformer structure;

fig. 4 is a schematic diagram of a state in which a closing member is opened in a novel low-voltage current transformer structure.

In the figure: 1. a body; 11. a terminal; 2. a fixing frame; 201. threading holes; 202. a chute; 203. a clamping groove; 3. opening and closing the piece; 31. a front closing plate; 311. a connecting plate; 312. a groove; 313. a slider; 32. an upper sealing plate; 321. positioning a groove; 322. mounting grooves; 4. clamping a plate; 41. and (5) positioning the blocks.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, a novel low-voltage current transformer structure, including body 1, be equipped with wiring end 11 on

body

1, 11 outsides of wiring end are equipped with fixed frame 2, fixed frame 2 is fixed on body 1, be equipped with on fixed frame 2 and open and close piece 3, open and close piece 3 includes preceding shrouding 31 and last shrouding 32, preceding shrouding 31 and last shrouding 32 integrated into one piece, preceding shrouding 31 is located fixed frame 2 preceding terminal surface, it is located fixed frame 2 top end face to go up shrouding 32, preceding shrouding 31 bottom fixedly connected with slider 313, slider 313 and fixed frame 2 sliding connection, and go up 32 one end sliding connection of shrouding has cardboard 4, cardboard.

In fig. 1-3: both sides of the fixed frame 2 are provided with threading holes 201 corresponding to the wiring terminals 11, the wires can pass through the threading holes 201 to be connected on the wiring terminals 11, then the opening and closing piece 3 is pushed, the opening and closing piece 3 comprises a front closing plate 31 and an upper closing plate 32, the front closing plate 31 is positioned on the front end surface of the fixed frame 2, the upper closing plate 32 is positioned on the top end surface of the fixed frame 2, the front closing plate 31 and the upper closing plate 32 expose the two side openings of the fixed frame 2 to expose sufficient space of the fixed frame 2, the wiring on the wiring terminals 11 is convenient, the fixed frame 2 is provided with a sliding groove 202, a sliding block 313 slides in the sliding groove 202, the sliding groove 202 and the sliding block 313 are in a cross shape, the sliding block 313 on the front closing plate 31 can slide in the sliding groove 202, the sliding groove 202 and the sliding block 313 are in a cross shape, the sliding block 313 can limit the position of the opening, can be convenient for operating the opening and closing piece 3, the upper sealing plate 32 is provided with a mounting groove 322, the clamping plate 4 slides in the mounting groove 322, the positioning grooves 321 are respectively arranged at two sides of the inner wall of the mounting groove 322, the positioning blocks 41 are fixedly connected at two sides of the clamping plate 4, the positioning blocks 41 slide in the positioning grooves 321, the clamping plate 4 on the upper sealing plate 32 can slide in the mounting groove 322, the positioning blocks 41 slide in the positioning grooves 321, the position of the clamping plate 4 can be positioned, so that the clamping plate 4 is connected with the upper sealing plate 32, the clamping plate 4 can move up and down, the opening and closing piece 3 moves front and back, under the action of the clamping plate 4, the clamping plate 4 can fix the opening and closing piece 3, the fixing frame 2 is provided with a clamping groove 203, the clamping plate 4 is clamped in the clamping groove 203, the clamping plate 4 is positioned in the clamping groove 203, the position of the opening and closing piece 3 can be limited, during operation, only the clamping plate 4 needs to be operated and the opening and closing piece 3 needs to be slid, so that the operation is simple and rapid, the opening and closing piece 3 can be pulled to act on the connecting plate 311, the opening and closing are convenient, and the effect of protecting the wiring terminal 11 is improved.

In fig. 4: preceding shrouding 31 keeps away from cardboard 4's one end fixedly connected with connecting plate 311, connecting plate 311 runs through and has seted up recess 312, when opening the opening and closing piece 3, can upwards slide cardboard 4, make cardboard 4 break away from block groove 203, then can make the opening and closing piece 3 outwards slide, when the operation, only need be used in recess 312 on connecting plate 311, can stimulate the opening and closing piece 3, preceding shrouding 31 and last shrouding 32 outwards slide, thereby can make the opening and closing piece 3 open from fixed frame 2, make wiring end 11 can expose, thereby can be convenient for connecting wire on wiring end 11.

The utility model discloses a theory of operation is: when the wire connector is used, a wire can pass through the wire threading hole 201 to connect the wire to the wiring terminal 11, then the opening and closing part 3 is pushed, the opening and closing part 3 comprises a front sealing plate 31 and an upper sealing plate 32, the front sealing plate 31 is positioned on the front end surface of the fixed frame 2, the upper sealing plate 32 is positioned on the top end surface of the fixed frame 2, the front sealing plate 31 and the upper sealing plate 32 expose two side openings of the fixed frame 2, so that the fixed frame 2 is exposed to sufficient space for wiring on the wiring terminal 11, the sliding block 313 on the front sealing plate 31 can slide in the sliding groove 202, the sliding groove 202 and the sliding block 313 are both in a cross shape, the sliding block 313 can limit the position of the opening and closing part 3, so that the front sealing plate 31 is connected with the fixed frame 2, the clamping plate 4 on the upper sealing plate 32 can slide in the mounting groove 322, the positioning block 41 can slide in the positioning, can inject the position of the piece of opening and shutting 3, the motion of restriction piece of opening and shutting 3, when opening the piece of opening and shutting 3, can upwards slide cardboard 4, make cardboard 4 break away from block groove 203, then can make the piece of opening and shutting 3 outwards slide, when the operation, only need be used in recess 312 on connecting plate 311, can stimulate the piece of opening and shutting 3, make the piece of opening and shutting 3 open from fixed frame 2, the operation of being convenient for, thereby can be convenient for connecting wire on wiring end 11, make the piece of opening and shutting 3 can be stable be connected with fixed frame 2, and be convenient for open and close, improve the effect of protection wiring end 11.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel low-voltage current transformer structure comprises a body (1), wherein a wiring end (11) is arranged on the body (1), and the novel low-voltage current transformer structure is characterized in that a fixed frame (2) is arranged on the outer side of the wiring end (11), the fixed frame (2) is fixed on the body (1), an opening and closing piece (3) is arranged on the fixed frame (2), the opening and closing piece (3) comprises a front sealing plate (31) and an upper sealing plate (32), the front sealing plate (31) and the upper sealing plate (32) are integrally formed, the front sealing plate (31) is positioned on the front end surface of the fixed frame (2), the upper sealing plate (32) is positioned on the top end surface of the fixed frame (2), a sliding block (313) is fixedly connected to the bottom of the front sealing plate (31), the sliding block (313) is slidably connected with the fixed frame (2), and a clamping plate (4), the clamping plate (4) is connected with the fixing frame (2) in a clamping mode.

2. The novel low-voltage current transformer structure as claimed in claim 1, wherein both sides of the fixing frame (2) are provided with threading holes (201) corresponding to the wiring ends (11).

3. The novel low-voltage current transformer structure as claimed in claim 1, wherein the fixed frame (2) is provided with a sliding groove (202), the sliding block (313) slides in the sliding groove (202), and the sliding groove (202) and the sliding block (313) are both in a cross shape.

4. The novel low-voltage current transformer structure as claimed in claim 1, wherein a connecting plate (311) is fixedly connected to an end of the front sealing plate (31) away from the clamping plate (4), and a groove (312) is formed through the connecting plate (311).

5. The novel low-voltage current transformer structure as claimed in claim 1, wherein the upper closing plate (32) is provided with a mounting groove (322), and the clamping plate (4) slides in the mounting groove (322).

6. The novel low-voltage current transformer structure as claimed in claim 5, wherein positioning grooves (321) are formed on both sides of the inner wall of the mounting groove (322), positioning blocks (41) are fixedly connected to both sides of the clamping plate (4), and the positioning blocks (41) slide in the positioning grooves (321).

7. The novel low-voltage current transformer structure as claimed in claim 1, wherein the fixing frame (2) is provided with a clamping groove (203), and the clamping plate (4) is clamped in the clamping groove (203).