CN219457342U - Current transformer - Google Patents

Abstract

The utility model discloses a current transformer, which comprises a main body, wherein the bottom of the main body is fixedly connected with a mounting seat, threaded holes are formed in the left end and the right end of the mounting seat, a threaded rod is connected in the threaded holes in a threaded manner, a rotating handle is fixedly connected to the top of the threaded rod, an end cover is sleeved on the threaded rod, the end cover is positioned between the rotating handle and the mounting seat, a circumferential buckle is fixedly connected to the bottom of the mounting seat, a supporting block is fixedly connected to the bottom of the threaded rod, the supporting block moves in the circumferential buckle, ascending and descending effects are achieved through the arrangement of the threaded holes, the threaded rod and the rotating handle, supporting effects on the circumferential buckle are achieved through the arrangement of the supporting block, and installation and fixation of the current transformer are achieved through the arrangement of the circumferential buckle.

Description

Current transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a current transformer.

Background

The current transformer principle is based on the electromagnetic induction principle. The current transformer consists of a closed iron core and windings. The primary winding turns are very few and are connected in series with the circuit of the current to be measured, so that the current is always flowing through the circuit, the secondary winding turns are relatively large and are connected in series with the measuring instrument and the protection circuit, and the secondary circuit is always closed when the current transformer works, so that the impedance of the series coil of the measuring instrument and the protection circuit is very small, and the working state of the current transformer is close to short circuit. The current transformer is used by converting primary side large current into secondary side small current, and the secondary side cannot be opened.

The current transformer still has certain defect, and specifically when using, the current transformer is fixed through the screw, because the fixed of trying can lead to the screw rust to be difficult to dismantle to and at the frequent change, can make the screw thread disappearance, can't install and remove.

Disclosure of Invention

The utility model aims to provide a current transformer, which solves the problems that the current transformer is fixed through screws in the specific use process in the prior art, the screws are difficult to detach due to the attempted fixation, and the threads of the screws disappear when the current transformer is frequently replaced, so that the current transformer cannot be assembled or disassembled.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a current transformer, includes the main part, main part bottom fixedly connected with mount pad, the mount pad is located the main part and has seted up threaded hole about both ends, threaded hole threaded connection has the threaded rod, threaded rod top fixedly connected with changes the handle, the cover is equipped with the end cover on the threaded rod, the end cover is located to change between handle and the mount pad, mount pad bottom fixedly connected with circumference buckle, threaded rod bottom fixedly connected with supporting shoe, the supporting shoe activity is in circumference buckle.

Preferably, the circumference buckle is provided with a plurality of elastic upright posts, and the bottom of the elastic upright posts is fixedly connected with a clamping block.

Preferably, the end cap surface is provided with an anti-slip layer.

Preferably, the handle adopts a polygonal structure.

Preferably, the elastic upright is made of polystyrene glycol.

Advantageous effects

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

through setting up screw hole, threaded rod and commentaries on classics handle, realize rising and the effect of decline, through setting up the supporting shoe, realize the propping up the effect to the circumference buckle to and realize the installation fixed to current transformer through setting up the circumference buckle.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a current transformer according to the present utility model;

FIG. 2 is a schematic diagram of an explosion structure of a current transformer according to the present utility model;

fig. 3 is a schematic diagram of a circumferential buckle structure of a current transformer according to the present utility model.

1. A main body; 2. a mounting base; 3. an end cap; 4. a rotating handle; 5. a circumferential buckle; 6. a threaded rod; 7. a support block;

8. a threaded hole; 9. a clamping block; 10. an elastic column.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific direction, construct and operate in the specific direction, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1-3 are schematic structural views of a current transformer according to a preferred embodiment of the present utility model, in this embodiment, a current transformer is envisaged to be installed and removed conveniently, and includes a main body 1, a mounting seat 2 is fixedly connected to the bottom of the main body 1, threaded holes 8 are provided at the left and right ends of the mounting seat 2 located in the main body 1, threaded rods 6 are connected to the threaded holes 8 in the threaded holes, lifting and lowering of the threaded rods 6 are achieved through rotation of the threaded holes 8 and the threaded rods 6, a rotating handle 4 is fixedly connected to the top of the threaded rods 6 for convenient rotation, and during rotation, an end cover 3 is sleeved on the threaded rods 6, the end cover 3 is located between the rotating handle 4 and the mounting seat 2, a circumferential buckle 5 is fixedly connected to the bottom of the mounting seat 2, and a supporting block 7 is fixedly connected to the bottom of the threaded rods 6, so that the supporting block 7 moves in the circumferential buckle 5, lifting and lowering is achieved through rotation of the threaded rods 6 in the threaded holes 8, lifting and lowering of the supporting block 7 is achieved, and elastic stand columns 10 on the circumferential buckle 5 are lifted through lifting and raising areas of the supporting block 7 are achieved, and elastic stand columns 10 are fixed by elastic stand columns 9.

In this embodiment, the circumference buckle 5 is provided with a plurality of elastic columns 10, and the bottom of each elastic column 10 is fixedly connected with a clamping block 9, so that the clamping function is realized through the clamping block 9.

In this embodiment, the surface of the end cap 3 is provided with an anti-slip layer to prevent slipping during use.

In the embodiment, the rotating handle 4 adopts a polygonal structure, so that the holding area is increased, and the consumption of the physical power is reduced.

In this embodiment, the elastic column 10 is made of polystyrene glycol, and is more durable in use.

Working principle:

when the screw rod 6 and the support block 7 rise through the support block 7, the elastic upright post 10 is supported through the support block 7 when the support block 7 is rotated clockwise, the fixing function is realized through clamping the clamping block 9, the screw rod 6 and the support block 7 descend through the anticlockwise rotation of the support block 4, and the elastic upright post 10 contracts to realize the disassembling function.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (5)

1. Current transformer, comprising a main body (1), characterized in that: the utility model discloses a screw rod (6) of screw rod (6), including main part (1) bottom fixedly connected with mount pad (2), screw hole (8) have been seted up at both ends about mount pad (2) are located main part (1), screw hole (8) internal thread connection has threaded rod (6), threaded rod (6) top fixedly connected with changes handle (4), the cover is equipped with end cover (3) on threaded rod (6), end cover (3) are located to change between handle (4) and mount pad (2), mount pad (2) bottom fixedly connected with circumference buckle (5), threaded rod (6) bottom fixedly connected with supporting shoe (7), supporting shoe (7) activity is in circumference buckle (5).

2. A current transformer according to claim 1, wherein: the circumference buckle (5) is provided with a plurality of elastic stand columns (10) to form, and clamping blocks (9) are fixedly connected to the bottoms of the elastic stand columns (10).

3. A current transformer according to claim 1, wherein: an anti-slip layer is arranged on the surface of the end cover (3).

4. A current transformer according to claim 1, wherein: the rotating handle (4) adopts a polygonal structure.

5. A current transformer according to claim 2, wherein: the elastic upright post (10) is made of polyethylene glycol benzoate.