CN213340053U

CN213340053U - Simple pluggable current transformer

Info

Publication number: CN213340053U
Application number: CN202022664733.9U
Authority: CN
Inventors: 吕海涛
Original assignee: Suzhou Xiangcheng Gusu Electric Appliance Co ltd
Current assignee: Suzhou Xiangcheng Gusu Electric Appliance Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-06-01
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a simple and easy plug-in type current transformer, including the current transformer body, the top of current transformer body is provided with the protection component and is located the inside wiring subassembly of protection component, and the protection component comprises two connecting seats, two fixing bolt, an insulating protection box and two through wires holes. The utility model discloses a rotation hand wheel can drive the threaded rod and rotate, rotation through the threaded rod can drive the insulation board and rise or descend, overlap the wiring lug after the surface of terminal, it can make the terminal insert the fixed intraductal to drive fixed pipe through the insulation board and descend, design through fixed pipe and terminal plug-in type can be fixed the wiring lug, and the antiport hand wheel can make the insulation board rise, make fixed pipe and terminal separation, upwards promote the wiring lug and make the wiring lug and terminal separation can dismantle the wiring lug and descend, it need not use tools to dismantle its dismouting in-process, and is simple and easy to operate, and easy staff uses.

Description

Simple pluggable current transformer

Technical Field

The utility model relates to a current transformer specifically is a simple and easy pluggable current transformer.

Background

The current transformer principle is based on the electromagnetic induction principle, the current transformer is composed of a closed iron core and a winding, the number of turns of a primary winding of the current transformer is small, and the primary winding is connected in series in a circuit of current to be measured, so that all current of the circuit always flows through the current transformer, the number of turns of a secondary winding is large, the secondary winding is connected in series in a measuring instrument and a protection loop, and when the current transformer works, the secondary loop of the current transformer is always closed, so that the impedance of the series coil of the measuring instrument and the protection loop is small, and the working state of the current transformer is.

The lug can improve the stability of being connected between wire and the electrical apparatus component wiring end, consequently also is often used for wire and current transformer's being connected, and current transformer goes on through the bolt to lug's fixed most, and this kind of mode is unfavorable for lug's dismouting. Therefore, the simple pluggable current transformer is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a simple and easy plug-in type current transformer, including the current transformer body, the top of current transformer body is provided with the protection component and is located the inside wiring subassembly of protection component, the protection component comprises two connecting seats, two fixing bolt, an insulating protection box and two through wires holes, the wiring subassembly comprises two terminals, a threaded rod, a hand wheel, an insulation board and two fixed pipes.

As a preferred technical scheme of the utility model, two the equal fixed mounting of connecting seat is at the top of current transformer body, the bottom of insulating protection box and the top contact of current transformer body, the top of insulating protection box inner chamber and the top contact of two connecting seats.

As a preferred technical scheme of the utility model, two the equal threaded connection of fixing bolt is on the roof of insulating protection box, two fixing bolt's bottom all extends to the inside of insulating protection box and respectively with the inner wall threaded connection of two connecting seats.

As an optimal technical scheme of the utility model, the surface of threaded rod cup joints through the middle part on bearing and insulating protection box top, the top of threaded rod extend to the outside on insulating protection box top and with hand wheel fixed connection, the bottom of threaded rod extends to the inside of insulating protection box and is close to the top of current transformer body.

As a preferred technical scheme of the utility model, the middle part of insulation board and the surface threaded connection of threaded rod, the both sides of insulation board respectively with the inner wall sliding connection of insulating protection box both sides.

As a preferred technical scheme of the utility model, the inner wall of insulation board and the surface sliding connection of two connecting seats, two fixed pipe fixed mounting is in the both sides of insulation board bottom respectively.

As a preferred technical scheme of the utility model, two the terminal all sets up at the top of current transformer body, two the terminal is located two fixed pipes respectively under, two the through wires hole is all seted up in the front of insulating protection box, two the position of through wires hole is corresponding with the position of two terminals respectively.

The utility model has the advantages that: the simple pluggable current transformer can drive the threaded rod to rotate by rotating the hand wheel, can drive the insulating plate to ascend or descend by rotating the threaded rod, the wiring lug is sleeved on the outer surface of the wiring terminal, the insulating plate drives the fixing tube to descend to enable the wiring terminal to be inserted into the fixing tube, the wiring lug can be fixed by the plug-in type design of the fixing tube and the wiring terminal, the insulating plate can ascend by reversely rotating the hand wheel, the fixing tube is separated from the wiring terminal, the wiring lug can be detached and descended by upwards pushing the wiring lug to separate the wiring lug from the wiring terminal, tools are not needed in the detaching and assembling process, the simple pluggable current transformer is simple and easy to operate, is easy for a worker to use, can install the insulating protection box on the top of the current transformer body by the fixing bolt and the connecting seat, can take down the insulating protection box after the fixing bolt is screwed, and is convenient for the, the practicability of the current transformer is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a simple pluggable current transformer of the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a simple pluggable current transformer according to the present invention;

fig. 3 is a schematic front view of a simple pluggable current transformer according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a point a in fig. 2 of the simple pluggable current transformer of the present invention.

In the figure: 1. a current transformer body; 2. a binding post; 3. a connecting seat; 4. fixing the bolt; 5. an insulating protection box; 6. a threaded rod; 7. a hand wheel; 8. an insulating plate; 9. a fixed tube; 10. and (6) threading holes.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model relates to a simple and easy plug-in type current transformer, including current transformer body 1, current transformer body 1's top is provided with the protection component and is located the inside wiring subassembly of protection component, and the protection component comprises two connecting seats 3, two fixing bolt 4, an insulating protection box 5 and two through wires holes 10, and the wiring subassembly comprises two terminals 2, a threaded rod 6, a hand wheel 7, an insulation board 8 and two fixed pipes 9.

Wherein, the equal fixed mounting of two connecting seats 3 is at the top of current transformer body 1, and the bottom of insulating protection box 5 and the top contact of current transformer body 1, the top of 5 inner chambers of insulating protection box and the top contact of two connecting seats 3 can protect the part at terminal 2 tops through setting up insulating protection box 5 to can improve the security in the use.

Wherein, the equal threaded connection of two fixing bolt 4 is on the roof of insulating protection box 5, and the bottom of two fixing bolt 4 all extends to the inside of insulating protection box 5 and respectively with the inner wall threaded connection of two connecting seats 3, can take off insulating protection box 5 after screwing off fixing bolt 4 to the staff of being convenient for overhauls the inside part of insulating protection box 5, has improved this current transformer's practicality.

Wherein, the surface of threaded rod 6 cup joints through the middle part on bearing and 5 tops of insulating protection box, the top of threaded rod 6 extend to the outside on 5 tops of insulating protection box and with hand wheel 7 fixed connection, the bottom of threaded rod 6 extend to the inside of insulating protection box 5 and be close to the top of current transformer body 1, can be convenient for the staff to rotate threaded rod 6 through setting up hand wheel 7, improved this current transformer's practicality.

Wherein, the middle part of insulation board 8 and the surface threaded connection of threaded rod 6, the both sides of insulation board 8 respectively with the inner wall sliding connection at 5 both sides of insulation protection box, can drive threaded rod 6 through rotating hand wheel 7 and rotate, rotation through threaded rod 6 can drive insulation board 8 and rise or descend, with the lug cover of working a telephone switchboard after the surface of terminal 2, it can make terminal 2 insert fixed intraductal 9 to drive fixed pipe 9 through insulation board 8 and descend, can fix the lug through the design of

fixed pipe

9 and 2 plug-in types of terminal, and reverse rotation hand wheel 7 can make insulation board 8 rise, make

fixed pipe

9 and 2 separation of terminal, upwards promote the lug and make the lug and 2 separation of terminal can dismantle the decline with the lug, its dismouting in-process need not use tools, simple easy operation, easily the staff uses.

Wherein, the inner wall of insulation board 8 and the surface sliding connection of two connecting seats 3, two fixed pipes 9 are fixed mounting respectively in the both sides of insulation board 8 bottom, can restrict insulation board 8 through setting up connecting seat 3 to it is more stable when making insulation board 8 reciprocate.

Wherein, two terminals 2 all set up at current transformer body 1's top, and two terminals 2 are located two fixed pipes 9 respectively under, and two through wires holes 10 are all seted up in the front of insulating protection box 5, and the position of two through wires holes 10 is corresponding with the position of two terminals 2 respectively.

When the current transformer works, firstly, the wiring lug is inserted into the insulation protection box 5 through the threading hole 10, the wiring lug is sleeved on the outer surface of the wiring terminal 2, then the hand wheel 7 is rotated, the threaded rod 6 can be driven to rotate by rotating the hand wheel 7, the insulation board 8 can be driven to descend by rotating the threaded rod 6, the fixing tube 9 is driven to descend by the insulation board 8, the wiring terminal 2 can be inserted into the fixing tube 9, the wiring lug can be fixed by the plug-in type design of the fixing tube 9 and the wiring terminal 2, so that the connection between the wiring lug and the current transformer is completed, the insulation board 8 can ascend by reversely rotating the hand wheel 7, the fixing tube 9 is separated from the wiring terminal 2, the wiring lug can be detached and descended by pushing the wiring lug upwards to separate the wiring lug from the wiring terminal 2, tools are not needed in the detachment and installation process, the current transformer is simple and easy to operate and is easy to use for workers, the, can take off insulating protection box 5 after screwing down fixing bolt 4 to the staff of being convenient for overhauls the inside part of insulating protection box 5, has improved this current transformer's practicality.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a simple and easy plug-in current transformer, its characterized in that, includes current transformer body (1), the top of current transformer body (1) is provided with the protection component and is located the inside wiring subassembly of protection component, the protection component comprises two connecting seats (3), two fixing bolt (4), an insulating protection box (5) and two through wires hole (10), the wiring subassembly comprises two terminal (2), a threaded rod (6), a hand wheel (7), an insulation board (8) and two fixed pipe (9).

2. The simple pluggable current transformer according to claim 1, wherein the two connection seats (3) are fixedly installed on the top of the current transformer body (1), the bottom of the insulation protection box (5) is in contact with the top of the current transformer body (1), and the top of the inner cavity of the insulation protection box (5) is in contact with the tops of the two connection seats (3).

3. The simple pluggable current transformer according to claim 1, wherein the two fixing bolts (4) are both screwed on the top wall of the insulating protection box (5), and the bottom ends of the two fixing bolts (4) both extend into the insulating protection box (5) and are respectively screwed with the inner walls of the two connecting seats (3).

4. The simple pluggable current transformer according to claim 1, wherein the outer surface of the threaded rod (6) is sleeved with the middle of the top end of the insulation protection box (5) through a bearing, the top end of the threaded rod (6) extends to the outside of the top end of the insulation protection box (5) and is fixedly connected with the hand wheel (7), and the bottom end of the threaded rod (6) extends to the inside of the insulation protection box (5) and is close to the top of the current transformer body (1).

5. The simple pluggable current transformer according to claim 1, wherein the middle part of the insulating plate (8) is in threaded connection with the outer surface of the threaded rod (6), and two sides of the insulating plate (8) are respectively in sliding connection with the inner walls of two sides of the insulating protection box (5).

6. The simple pluggable current transformer of claim 1, wherein the inner wall of the insulating plate (8) is slidably connected with the outer surfaces of the two connecting seats (3), and the two fixing tubes (9) are respectively fixedly installed at two sides of the bottom of the insulating plate (8).

7. The simple pluggable current transformer according to claim 1, wherein the two terminals (2) are arranged at the top of the current transformer body (1), the two terminals (2) are respectively located under the two fixed tubes (9), the two threading holes (10) are respectively formed in the front of the insulation protection box (5), and the positions of the two threading holes (10) correspond to the positions of the two terminals (2).