CN217134188U

CN217134188U - Anti-saturation current transformer

Info

Publication number: CN217134188U
Application number: CN202220163418.4U
Authority: CN
Inventors: 顾建钢; 钱小男; 廉国彦
Original assignee: Guangdong Zhongyan Mingci Technology Co ltd
Current assignee: Guangdong Zhongyan Mingci Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-05
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses an anti-saturation current transformer, which relates to the technical field of current transformers and mainly solves the problem of inconvenient installation of the current transformer, and comprises a shell, wherein a coil is arranged in the shell, a power box shell is attached to the lower side of the shell, a quick installation mechanism is arranged at the lower end of the shell, the quick installation mechanism comprises an inserting plate, a clamping unit, a limiting block, a pressing unit and a first limiting rod, the lower side of the shell is fixedly connected with the inserting plate, the lower end of the inserting plate is inserted in the power box shell, the lower end of the inserting plate is provided with the clamping unit, one end of the clamping unit, which is far away from the inserting plate, is arranged in the power box shell, the limiting block is fixedly connected to two sides of the clamping unit, one end of the limiting block, which is far away from the clamping unit, is slid in the power box shell, the pressing unit is arranged at the upper side of the clamping unit, and the anti-saturation current transformer is installed simply and conveniently by arranging the quick installation mechanism, reduce installation time, promote the installation effectiveness, the later stage of being convenient for is demolishd and is changed.

Description

Anti-saturation current transformer

Technical Field

The utility model relates to a current transformer technical field specifically is anti saturation current transformer.

Background

The anti-saturation current transformer protects a circuit by detecting current passing through a line.

When the anti-saturation current transformer is used, the electric wire penetrates through the anti-saturation current transformer, then the anti-saturation current transformer is fixed on the shell of the power box through the bolts, and the detection and protection are performed through the anti-saturation current transformer when the current in the connecting wire circulates.

When the anti-saturation current transformer is installed through the bolt, the bolt needs to be screwed through manual operation firstly, the bolt penetrates through the connecting section of the anti-saturation current transformer and then is screwed into the shell of the power box, and finally, tools are used for screwing, so that the whole installation steps are complex, and the installation of the anti-saturation current transformer is inconvenient.

To this end we propose an anti-saturation current transformer to solve the above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti saturation current transformer 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: anti saturation current transformer, which comprises an outer shell, the inside coil that is provided with of shell, and the laminating of shell downside has the power box casing, the shell lower extreme is provided with quick installation mechanism, and quick installation mechanism includes the picture peg, the screens unit, the stopper, press unit and first gag lever post, the shell downside links firmly the picture peg, and the picture peg lower extreme is inserted and is established inside the power box casing, the picture peg lower extreme sets up the screens unit, and the one end setting that the picture peg was kept away from to the screens unit is in the power box casing, screens unit both sides link firmly the stopper, and the stopper is kept away from the one end of screens unit and is slided in the power box casing, screens unit upside sets up and presses the unit, and press unit lower extreme inside and insert and establish first gag lever post, first gag lever post downside links firmly on the picture peg.

As a preferred technical scheme of the utility model, press the unit upper end outside and set up complementary unit, and complementary unit includes mobile unit and elasticity unit, press the unit upper end and set up the mobile unit, and the mobile unit keeps away from the one end of pressing the unit and slides in the shell, and the mobile unit middle-end sets up the elasticity unit.

As the utility model discloses a preferred technical scheme, the screens unit includes cardboard and first spring, and inside the inserting of picture peg lower extreme establishes the cardboard, and one side that the picture peg was kept away from to the cardboard links firmly first spring, and the one end that the cardboard was kept away from to first spring links firmly on the power box casing.

As the utility model discloses a preferred technical scheme presses the unit and includes stripper plate and rubber button, and the cardboard upside sets up the stripper plate, and the stripper plate upper end links firmly in rubber button, and the rubber button downside links firmly on the shell.

As the utility model discloses a preferred technical scheme, the mobile unit includes limiting plate and ball, and the stripper plate both sides link firmly the limiting plate, and the limiting plate is kept away from the inside ball of inserting of one end of stripper plate, and the ball keeps away from one side laminating shell of limiting plate.

As a preferred technical scheme of the utility model, the elasticity unit includes second gag lever post and second spring, and the limiting plate middle-end is inserted and is established the second gag lever post, and the second gag lever post both sides link firmly on the shell, and second gag lever post lower extreme outside cover establishes the second spring, and links firmly on the limiting plate second spring upper end, and second spring lower extreme links firmly on the shell.

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

1. through setting up quick installation mechanism, make anti saturation current transformer when the installation, manual anti saturation current transformer of holding, make current transformer drive the picture peg insert establish in the power box casing, the picture peg is inserted and is established extrusion screens unit behind the power box casing, make the screens unit insert under the spacing of stopper and establish in the power box casing, the picture peg continues to insert and establishes afterwards, after the picture peg is inserted and is established, the screens unit pops out and inserts and establish in the picture peg, carry on spacingly to the picture peg, make anti saturation current transformer when the installation, the step is simple convenient, reduce installation time, promote the installation effectiveness, the later stage of being convenient for is demolishd and is changed.

2. Through setting up complementary unit, when making the later stage demolish, the extrusion is pressed the unit, and the unit is pressed to the unit and is compressed elasticity unit and move down under the assistance of mobile unit, and the screens unit is pushed in step when pressing the unit and moving down, pushes the screens unit out in the picture peg, works the shell afterwards, pulls out the power box casing with the picture peg, makes the shell assist when demolising, promotes the convenience of demolising.

Drawings

FIG. 1 is a schematic structural view of the present invention,

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention,

fig. 3 is a schematic structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a coil; 3. a power box housing; 4. inserting plates; 5. clamping a plate; 6. a first spring; 7. a limiting block; 8. a pressing plate; 9. a rubber button; 10. a first limit rod; 11. a limiting plate; 12. a ball bearing; 13. a second limiting rod; 14. a second spring.

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.

Example (b): as shown in figures 1-3, the utility model provides an anti-saturation current transformer, which comprises a shell 1, a coil 2 is arranged inside the shell 1, a power box shell 3 is attached to the lower side of the shell 1, a quick mounting mechanism is arranged at the lower end of the shell 1, the quick mounting mechanism comprises an inserting plate 4, a clamping unit, a limiting block 7, a pressing unit and a first limiting rod 10, the lower side of the shell 1 is fixedly connected with the inserting plate 4, the lower end of the inserting plate 4 is inserted inside the power box shell 3, the lower end of the inserting plate 4 is provided with the clamping unit, one end of the clamping unit far away from the inserting plate 4 is arranged inside the power box shell 3, the limiting block 7 is fixedly connected to two sides of the clamping unit, one end of the limiting block 7 far away from the clamping unit slides inside the power box shell 3, the pressing unit is arranged at the upper side of the clamping unit, the first limiting rod 10 is inserted inside the lower end of the pressing unit, the lower side of the first limiting rod 10 is fixedly connected to the inserting plate 4, when in work; make anti saturation current transformer when the installation, manually hold anti saturation current transformer, make current transformer drive picture peg 4 insert and establish in power box casing 3, picture peg 4 inserts and establishes the extrusion screens unit in power box casing 3, make the screens unit insert under the spacing of stopper 7 and establish in power box casing 3, picture peg 4 continues to insert afterwards and establishes, after picture peg 4 inserts and establishes, the screens unit pops out and inserts and establishes in picture peg 4, it is spacing to picture peg 4, through setting up quick installation mechanism, make anti saturation current transformer when the installation, the step is simple and convenient, reduce installation time, promote installation effectiveness, it changes to be convenient for later stage demolish.

Furthermore, an auxiliary mechanism is arranged on the outer side of the upper end of the pressing unit and comprises a moving unit and an elastic unit, the moving unit is arranged at the upper end of the pressing unit, one end, far away from the pressing unit, of the moving unit slides in the shell 1, and the elastic unit is arranged at the middle end of the moving unit and works; when the later-stage dismounting is carried out, the pressing unit is extruded, the pressing unit compresses the elastic unit to move downwards under the assistance of the moving unit, the clamping unit is synchronously extruded when the pressing unit moves downwards, the clamping unit is pushed out of the inserting plate 4, then the labor shell 1 pulls the inserting plate 4 out of the power box shell 3, the shell 1 is assisted when being dismounted by arranging the auxiliary mechanism, and the dismounting convenience is improved.

Furthermore, the clamping unit comprises a clamping plate 5 and a first spring 6, the clamping plate 5 is inserted into the lower end of the plug board 4, one side of the clamping plate 5, which is far away from the plug board 4, is fixedly connected with the first spring 6, and one end of the first spring 6, which is far away from the clamping plate 5, is fixedly connected to the power box shell 3, so that the clamping unit works; the picture peg 4 extrudees cardboard 5, makes cardboard 5 insert under stopper 7 spacing and establishes compressing first spring 6 in power box casing 3, through setting up cardboard 5 and first spring 6, is convenient for carry on spacingly to picture peg 4.

Furthermore, the pressing unit comprises an extrusion plate 8 and a rubber button 9, the extrusion plate 8 is arranged on the upper side of the clamping plate 5, the upper end of the extrusion plate 8 is fixedly connected in the rubber button 9, the lower side of the rubber button 9 is fixedly connected on the shell 1, and the pressing unit works; press rubber button 9, make rubber button 9 drive stripper plate 8 extrusion cardboard 5, through setting up stripper plate 8 and rubber button 9, release in picture peg 4 cardboard 5 when the later stage of being convenient for is demolishd.

Further, the moving unit comprises a limiting plate 11 and balls 12, the limiting plates 11 are fixedly connected to two sides of the extrusion plate 8, the balls 12 are inserted into one end, away from the extrusion plate 8, of the limiting plate 11, and one side, away from the limiting plate 11, of each ball 12 is attached to the shell 1, so that the moving unit works; drive limiting plate 11 and ball 12 when stripper plate 8 removes and remove, through rolling with the 1 laminating of shell when ball 12 removes, through setting up limiting plate 11 and ball 12, be convenient for carry out supplementary removal to stripper plate 8.

Furthermore, the elastic unit comprises a second limiting rod 13 and a second spring 14, the second limiting rod 13 is inserted into the middle end of the limiting plate 11, two sides of the second limiting rod 13 are fixedly connected to the shell 1, the second spring 14 is sleeved outside the lower end of the second limiting rod 13, the upper end of the second spring 14 is fixedly connected to the limiting plate 11, and the lower end of the second spring 14 is fixedly connected to the shell 1 during working; the limiting plate 11 compresses the second spring 14 under the limiting of the second limiting rod 13, and by means of the arrangement of the second limiting rod 13 and the second spring 14, after the rubber button 9 is loosened, the extrusion plate 8 is pushed to restore to the original position through elastic potential energy of the second spring 14.

The working principle is as follows: firstly, when the saturation current transformer is mounted, the shell 1 is taken to drive the inserting plate 4 to be inserted into the power box shell 3, the inserting plate 4 extrudes the clamping plate 5 when being inserted, so that the clamping plate 5 is inserted into the power box shell 3 under the limit of the limit block 7 to compress the first spring 6, then the inserting plate 4 is inserted continuously, after the inserting plate 4 is inserted, the first spring 6 pushes the clamping plate 5 to pop out and insert into the inserting plate 4, the inserting plate 4 is limited, when the anti-saturation current transformer needs to be removed in the later stage, the rubber button 9 is pressed, the rubber button 9 extrudes the extrusion plate 8, the extrusion plate 8 drives the limiting plate 11 and the ball 12 to move when moving, the limiting plate 11 compresses the second spring 14 under the limitation of the second limiting rod 13, meanwhile, the extrusion plate 8 extrudes the clamping plate 5 when moving downwards, and pushes the clamping plate 5 out of the inserting plate 4, and then the shell 1 is pulled, so that the shell 1 drives the inserting plate 4 to be pulled out of the electric box shell 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Anti saturation current transformer, including shell (1), its characterized in that: the coil (2) is arranged in the shell (1), the power box shell (3) is attached to the lower side of the shell (1), a quick installation mechanism is arranged at the lower end of the shell (1) and comprises a plugboard (4), a clamping unit, a limiting block (7), a pressing unit and a first limiting rod (10), the plugboard (4) is fixedly connected to the lower side of the shell (1), the lower end of the plugboard (4) is inserted into the power box shell (3), the clamping unit is arranged at the lower end of the plugboard (4), one end, far away from the plugboard (4), of the clamping unit is arranged in the power box shell (3), the limiting block (7) is fixedly connected to two sides of the clamping unit, one end, far away from the clamping unit, of the limiting block (7) slides in the power box shell (3), the pressing unit is arranged on the upper side of the clamping unit, and the first limiting rod (10) is inserted into the lower end of the pressing unit, the lower side of the first limiting rod (10) is fixedly connected to the inserting plate (4).

2. The anti-saturation current transformer of claim 1, wherein: the pressing device is characterized in that an auxiliary mechanism is arranged on the outer side of the upper end of the pressing unit and comprises a moving unit and an elastic unit, the moving unit is arranged on the upper end of the pressing unit, one end, far away from the pressing unit, of the moving unit slides in the shell (1), and the elastic unit is arranged at the middle end of the moving unit.

3. The anti-saturation current transformer of claim 1, wherein: the screens unit includes cardboard (5) and first spring (6), and inside inserting of picture peg (4) lower extreme establishes cardboard (5), one side that picture peg (4) were kept away from in cardboard (5) links firmly first spring (6), and the one end that cardboard (5) were kept away from in first spring (6) links firmly on power box casing (3).

4. The anti-saturation current transformer of claim 1, wherein: the pressing unit comprises an extrusion plate (8) and a rubber button (9), the extrusion plate (8) is arranged on the upper side of the clamping plate (5), the upper end of the extrusion plate (8) is fixedly connected in the rubber button (9), and the lower side of the rubber button (9) is fixedly connected on the shell (1).

5. The anti-saturation current transformer according to claim 2, wherein: the mobile unit comprises limiting plates (11) and balls (12), the two sides of the extrusion plate (8) are fixedly connected with the limiting plates (11), the balls (12) are inserted into one ends, far away from the extrusion plate (8), of the limiting plates (11), and the balls (12) are attached to the shell (1) on one side, far away from the limiting plates (11).

6. The anti-saturation current transformer according to claim 2, wherein: the elasticity unit includes second gag lever post (13) and second spring (14), and limiting plate (11) middle-end inserts and establishes second gag lever post (13), and second gag lever post (13) both sides link firmly on shell (1), second spring (14) are established to second gag lever post (13) lower extreme outside cover, and second spring (14) upper end links firmly on limiting plate (11), second spring (14) lower extreme links firmly on shell (1).