CN214410963U

CN214410963U - Straight-through current transformer convenient to dismantle

Info

Publication number: CN214410963U
Application number: CN202120973857.7U
Authority: CN
Inventors: 刘陈文; 孙丽敏
Original assignee: Zhejiang Luoke Electric Power Technology Co ltd
Current assignee: Zhejiang Luoke Electric Power Technology Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-10-15
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a through current transformer convenient to disassemble, which comprises a lower shell and an upper shell, wherein a cable box is arranged below the lower shell, a fixed base is arranged below the cable box, two secondary terminals are arranged at the side edge of the cable box, a sealing gasket is arranged between the lower shell and the upper shell, and two fixed buckles are respectively arranged at two sides of the sealing gasket; fixed knot includes the bridge piece, the bridge piece top is connected with the rotary drum, the side of rotary drum rotates with the ear piece through the pivot to be connected, the below of bridge piece is connected with the protrusion piece, a locker is respectively installed to the both sides of protrusion piece, this kind of convenient to detach's punching type current transformer compares traditional current transformer, need not professional person and can install and dismantle, has the installation and dismantles convenient, good reliability, low cost of labor's advantage, convenient to popularize and use.

Description

Straight-through current transformer convenient to dismantle

Technical Field

The utility model relates to a current transformer equipment field specifically is a punching current transformer convenient to dismantle.

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 primary side winding of the current transformer has few turns and is connected in series with a circuit of the current to be measured.

At present, the current transformer is widely applied to an electrical system, makes a contribution to the safe operation of a circuit, and develops a functional model, such as the application number: the Chinese patent of CN201810941714.0 specifically comprises the following contents: the utility model provides a current transformer, including the current transformer body, be equipped with the last retainer plate of current transformer on the current transformer body, the last retainer plate below of current transformer is equipped with the retainer plate under the current transformer, top one side is equipped with arc wall A on the last retainer plate of current transformer, the last top opposite side of retainer plate is equipped with arc wall B on the current transformer, the last positive one side of retainer plate is equipped with temperature sensor on the current transformer, the last positive opposite side of retainer plate is equipped with pressure sensor on the current transformer, the last retainer plate top of current transformer is equipped with the bottom fixed plate, be equipped with explosion-proof equipment on the bottom fixed plate, explosion-proof equipment outside cover is established explosion-proof equipment protection gum cover, explosion-proof equipment one side just is located the last retainer plate top of current transformer and is equipped with wireless transceiver. Above-mentioned patent is exactly a classic current transformer, but above-mentioned current transformer is comparatively inconvenient when installation and dismantlement, needs professional just can install and dismantle, and the cost of labor is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a punching current transformer convenient to dismantle to current transformer on the existing market that proposes in solving above-mentioned background is comparatively inconvenient when the installation with dismantle, needs the professional just can install and dismantle, problem that the cost of labor is high.

The technical scheme of the utility model is realized like this: a through current transformer convenient to disassemble comprises a lower shell and an upper shell, wherein a cable box is arranged below the lower shell, a fixed base is arranged below the cable box, two secondary terminals are arranged on the side edge of the cable box, a sealing gasket is arranged between the lower shell and the upper shell, and two fixing buckles are arranged on two sides of the sealing gasket respectively;

the fixing buckle comprises a bridge piece, the upper part of the bridge piece is connected with the rotary drum, the side edge of the rotary drum is rotatably connected with the lug block through a rotary shaft, the lower part of the bridge piece is connected with the protruding block, and two sides of the protruding block are respectively provided with a locker;

the locker comprises a base, a blind hole is formed in the base, a spring column is installed in the blind hole, and the spring column is connected with the telescopic column.

Preferably, a nameplate is arranged above the upper shell.

Preferably, the sealing gasket is a waterproof, dustproof and antistatic gasket.

Preferably, an iron core and a primary winding are arranged in the lower shell and the upper shell, and the cable box is fixedly connected with the fixed base.

Preferably, the upper housing is fixedly connected with the rotating drum, and the lower housing is fixedly connected with the base.

Preferably, the drum is rotatable about the ear piece by the spindle.

Preferably, the blind hole is fixedly connected with the spring column, and the spring column is fixedly connected with the telescopic column.

Preferably, a groove matched with the telescopic column is formed in the position, corresponding to the telescopic column, of the protruding block.

By adopting the technical scheme, the beneficial effects of the utility model are that:

this kind of straight-through current transformer convenient to dismantle compares traditional current transformer, need not the professional and can install and dismantle, has the installation and dismantles convenient, good reliability, low cost of labor's advantage, convenient to popularize and use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is an enlarged view of the fixing buckle of the present invention;

fig. 4 is an enlarged view of the locking device of the present invention.

Wherein: 1. a cable box; 2. a secondary terminal; 3. a fixed base; 4. a lower housing; 5. an upper housing; 6. a fixing buckle; 7. sealing gaskets; 8. a legend sheet; 601. a rotating drum; 602. a rotating shaft; 603. an ear piece; 604. a bridge piece; 605. a protruding block; 606. a locker; 607. a base; 608. blind holes; 609. a spring post; 610. a telescopic column.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a conveniently detachable straight-through current transformer includes a lower casing 4 and an upper casing 5, a cable box 1 is disposed below the lower casing 4, a fixing base 3 is mounted below the cable box 1, two secondary terminals 2 are disposed on the side of the cable box 1, a sealing gasket 7 is disposed between the lower casing 4 and the upper casing 5, and two fixing buckles 6 are disposed on two sides of the sealing gasket 7;

the fixing buckle 6 comprises a bridge piece 604, the upper part of the bridge piece 604 is connected with the rotary drum 601, the side edge of the rotary drum 601 is rotatably connected with the lug block 603 through a rotary shaft 602, the lower part of the bridge piece 604 is connected with a convex block 605, and two sides of the convex block 605 are respectively provided with a locker 606;

the locking device 606 comprises a base 607, a blind hole 608 is arranged in the base 607, a spring column 609 is arranged in the blind hole 608, and the spring column 609 is connected with a telescopic column 610.

Specifically, go up casing 5 top and install data plate 8, data plate 8 can be used for the performance parameter of this device of sign, and the user of being convenient for chooses for use.

Specifically, seal gasket 7 is waterproof, dustproof, antistatic gasket, sets up like this and can provide waterproof, dustproof, antistatic guard action for the junction of this device through seal gasket 7.

Specifically, be provided with iron core and primary winding in lower casing 4, the last casing 5, cable box 1 and unable adjustment base 3 fixed connection set up like this and can guarantee the normal operating of this device.

Specifically, upper housing 5 and rotary drum 601 fixed connection, lower casing 4 and base 607 fixed connection set up like this and can provide the location benchmark for fixing buckle 6 through rotary drum 601 and base 607, provide fixed effect for lower casing 4 and upper housing 5 by fixing buckle 6.

Specifically, the rotating cylinder 601 can rotate around the ear block 603 through the rotating shaft 602, so that the bridge 604 can be driven by the rotating cylinder 601 to rotate, thereby opening or closing the fixing buckle 6.

Specifically, the blind hole 608 is fixedly connected with the spring post 609, and the spring post 609 is fixedly connected with the telescopic post 610, so that the elastic effect provided by the spring post 609 is provided, and the telescopic post 610 is inserted into the protruding block 605 to provide a fixing effect for the protruding block 605, so that the fixing effect is provided for the lower shell 4 and the upper shell 5 through the fixing buckle 6.

Specifically, the protrusion 605 is formed with a groove corresponding to the retractable post 610, so that the retractable post 610 can be inserted into the groove of the protrusion 605 to fix the bridge 604.

The working principle is as follows: when this device of installation, open the fixed knot 6, will descend casing 4 and last casing 5 to dismantle and open, and install the iron core in casing 4 down, primary winding is connected with secondary terminal 2 electricity, later with last casing 5 lock in the iron core top, rotatory bridgeplate 604, make the bridgeplate 604 laminating under casing 4 and the side of last casing 5, under the elastic action that spring post 609 provided, flexible post 610 inserts in protruding piece 605, thereby provide fixed effect to protruding piece 605 and buckle 6 for casing 4 and last casing 5 provide fixed effect down through fixed, can use this device after the installation is accomplished.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A through current transformer convenient to dismantle, characterized by, includes: the cable box comprises a lower shell (4) and an upper shell (5), wherein a cable box (1) is arranged below the lower shell (4), a fixed base (3) is arranged below the cable box (1), two secondary terminals (2) are arranged on the side edge of the cable box (1), a sealing gasket (7) is arranged between the lower shell (4) and the upper shell (5), and two fixing buckles (6) are respectively arranged on two sides of the sealing gasket (7);

the fixing buckle (6) comprises a bridge piece (604), the upper part of the bridge piece (604) is connected with the rotary drum (601), the side edge of the rotary drum (601) is rotatably connected with the lug block (603) through a rotary shaft (602), the lower part of the bridge piece (604) is connected with the protruding block (605), and two sides of the protruding block (605) are respectively provided with a locker (606);

the locker (606) comprises a base (607), a blind hole (608) is arranged in the base (607), a spring column (609) is arranged in the blind hole (608), and the spring column (609) is connected with a telescopic column (610).

2. The easy-to-disassemble feedthrough current transformer of claim 1, wherein: and a nameplate (8) is arranged above the upper shell (5).

3. The easy-to-disassemble feedthrough current transformer of claim 1, wherein: the sealing gasket (7) is a waterproof, dustproof and antistatic gasket.

4. The easy-to-disassemble feedthrough current transformer of claim 1, wherein: the lower shell (4) and the upper shell (5) are internally provided with an iron core and a primary winding, and the cable box (1) is fixedly connected with the fixed base (3).

5. The easy-to-disassemble feedthrough current transformer of claim 1, wherein: the upper shell (5) is fixedly connected with the rotary drum (601), and the lower shell (4) is fixedly connected with the base (607).

6. The easy-to-disassemble feedthrough current transformer of claim 1, wherein: the drum (601) can be rotated around the ear piece (603) by the rotation shaft (602).

7. The easy-to-disassemble feedthrough current transformer of claim 1, wherein: the blind hole (608) is fixedly connected with the spring column (609), and the spring column (609) is fixedly connected with the telescopic column (610).

8. The easy-to-disassemble feedthrough current transformer of claim 1, wherein: and a groove matched with the telescopic column (610) is formed in the position, corresponding to the telescopic column (610), of the convex block (605).