CN221529615U

CN221529615U - Separated current transformer

Info

Publication number: CN221529615U
Application number: CN202420148639.3U
Authority: CN
Inventors: 郑力; 陈大亮
Original assignee: Zhejiang Dixsen Electrical Co ltd
Current assignee: Zhejiang Dixsen Electrical Co ltd
Priority date: 2024-01-22
Filing date: 2024-01-22
Publication date: 2024-08-13
Anticipated expiration: 2034-01-22

Abstract

The utility model relates to the technical field of current transformers and discloses a separated current transformer which comprises a transformer shell, a positioning block and a pressing piece, wherein the positioning block is arranged on the transformer shell, the pressing piece is arranged on the positioning block and is used for rapidly pressing a copper bar, the pressing piece comprises a pressing rod, the pressing rod is movably arranged on the positioning block, the end part of the pressing rod is provided with a pressing head, and the pressing rod clamps and presses the copper bar through the pressing head; the utility model effectively solves the problems that the split type current transformer is inconvenient to disassemble and assemble when the split type current transformer is required to be disassembled and maintained after later damage because the split type current transformer is pressed by screwing the screw.

Description

Separated current transformer

Technical Field

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

Background

The current transformer is an instrument for converting primary side large current into secondary side small current according to an electromagnetic induction principle to measure. The current transformer consists of a closed iron core and windings. Its primary winding turns are very few and are strung in the line of the current to be measured.

The separated current transformer consists of a primary side winding, a secondary side winding and an iron core, and is characterized by simple structure, stable performance, high precision, safety and reliability. It can be used in various types of power systems and electrical equipment, such as motors, generators, transformers, etc.

At present, when the disconnect-type current transformer is in use, the copper bar passes the disconnect-type current transformer, and to ensure that the copper bar can be stable pass the disconnect-type current transformer, need press the copper bar through screw or pressure disk centre gripping, press at present all through screwing the screw and remove to press, when damaging needs to dismantle the maintenance with the disconnect-type current transformer like the later stage, the dismouting is all comparatively inconvenient.

Disclosure of utility model

The utility model aims to solve the problems that the split type current transformer is inconvenient to disassemble and repair when the split type current transformer is required to be disassembled and maintained after later damage because the copper bar is pressed by screwing a screw in the split type current transformer in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a disconnect-type current transformer, includes transformer casing, locating piece and pressing piece, the locating piece is established on the transformer casing, pressing piece is established on the locating piece for press fast the copper bar, pressing piece is including pressing the pole, press the pole activity to establish on the locating piece, press the pole tip to be equipped with the press head, press the pole and press the copper bar centre gripping through the press head.

Preferably, the pressing piece further comprises a movable frame plate and a control piece, the two ends of the movable frame plate are respectively provided with a movable block, the movable blocks are connected with the pressing rods, the control piece is arranged on the transformer shell and used for controlling the movement of the pressing rods, the pressing piece can be used for rapidly and stably pressing and clamping the copper bars, and rapid detachment can be realized when the copper bars are detached.

Preferably, the control piece is including the threaded rod, be equipped with the extrusion piece on the threaded rod, extrusion piece and threaded rod threaded connection can promote to press the depression bar and remove towards the copper bar direction fast through the control piece to carry out quick centre gripping to the copper bar and press.

Preferably, the extrusion block is eccentrically arranged on the threaded rod, and the extrusion block can push the movable frame plate to move towards the copper bar through eccentric rotation.

Preferably, the extrusion block is provided with a rotary block, the rotary block is arranged on the outer side face of the extrusion block, and the rotary block is rotated to facilitate the rotation of the extrusion block by a user.

Preferably, the outer side surface of the pressing rod is provided with a spring, the spring is located between the moving block and the positioning block, the moving block can squeeze the spring when clamping the copper bar, and the spring can rebound to push the pressing rod to reset and move when disassembling the copper bar.

Preferably, the pressing rod is provided with a connecting block, and the pressing rod is connected with the moving block through the connecting block, so that the moving frame plate can drive the pressing rod to move together when driving the moving block to move.

Preferably, the connecting block is provided with a first connecting end and a second connecting end, the first connecting end is connected with the pressing rod, the second connecting end is connected with the moving block, and the connecting block can connect the pressing rod with the moving block through connection between the pressing rod and the moving block.

Preferably, the pressing rod is in threaded connection with the first connecting end, the third connecting end is arranged on the moving block, the second connecting block is in threaded connection with the third connecting end, and the connecting block can be separated from the moving block through threaded connection, so that the pressing rod can be moved to adjust, the pressing rod can be adjusted to clamp and press copper bars with different thicknesses, and the clamping degree during pressing can be further adjusted.

Preferably, the first connecting end, the second connecting end, the third connecting end and the pressing rod are identical in thread spacing, so that the connecting block can be in threaded connection with the third connecting end after the second connecting end is in contact with the third connecting end through rotation when moving on the pressing rod through rotation.

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

According to the utility model, the pressing rods are symmetrically arranged on the transformer shell, the copper bar can be pressed and clamped through the pressing rods, the arranged control piece can push the pressing rods to realize quick pressing of the copper bar through rotating the extrusion blocks, and quick dismantling can be realized during disassembly;

The connecting block that sets up can be connected pressing the pole and the movable block, and the connecting block can separate with the movable block between, makes pressing the pole and can remove and adjust, can adjust and press the pole to carry out the centre gripping to the copper bar of different thickness and press to the clamping degree when can further adjusting and pressing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a view of the press of the present utility model shown separated from the transformer housing;

FIG. 3 is a structural view of a pressing member of the present utility model;

FIG. 4 is a structural view of the control member of the present utility model;

FIG. 5 is a cross-sectional view of a connection block and a movable block according to the present utility model;

FIG. 6 is a block diagram of the present utility model;

Fig. 7 is a structural view of the connection block of the present utility model.

Description of the figure: 1. a transformer housing; 11. a positioning block; 2. a pressing member; 21. moving the frame plate; 22. pressing a pressing rod; 221. pressing head; 23. a spring; 24. a connecting block; 241. a first connecting end; 242. a second connecting end; 25. a moving block; 251. a third connecting end; 26. a control member; 261. a threaded rod; 262. extruding a block; 263. and rotating the block.

Detailed Description

The present utility model is described in further detail below with reference to the accompanying drawings.

The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Examples

Referring to fig. 1-4, a split type current transformer includes a transformer housing 1, a positioning block 11 and a pressing member 2, wherein the positioning block 11 is arranged on the transformer housing 1, the pressing member 2 is arranged on the positioning block 11 and is used for rapidly pressing a copper bar, the pressing member 2 comprises a pressing rod 22, the pressing rod 22 is movably arranged on the positioning block 11, a pressing head 221 is arranged at the end of the pressing rod 22, and the pressing rod 22 clamps and presses the copper bar through the pressing head 221.

The pressing piece 2 further comprises a movable frame plate 21 and a control piece 26, the two ends of the movable frame plate 21 are respectively provided with a movable block 25, the movable blocks 25 are connected with the pressing rods 22, the control piece 26 is arranged on the transformer shell 1 and used for controlling movement of the pressing rods 22, the pressing piece 2 can be used for rapidly and stably pressing and clamping copper bars, and rapid detachment can be realized when the copper bars are detached.

The control piece 26 comprises a threaded rod 261, the threaded rod 261 is provided with a squeezing block 262, the squeezing block 262 is in threaded connection with the threaded rod 261, and the control piece 26 can push the pressing rod 22 to move towards the copper bar rapidly, so that the copper bar can be clamped and pressed rapidly.

The extrusion block 262 is eccentrically arranged on the threaded rod 261, and the extrusion block 262 can push the movable frame plate 21 to move towards the copper bar direction when rotating through eccentric rotation.

The extrusion block 262 is provided with a rotary block 263, the rotary block 263 is arranged on the outer side face of the extrusion block 262, and the rotary block 263 is convenient for a user to rotate the extrusion block 262 by rotating.

The spring 23 is arranged on the outer side surface of the pressing rod 22, the spring 23 is arranged between the moving block 25 and the positioning block 11, the moving block 25 can squeeze the spring 23 when the copper bar is clamped, and the spring 23 can rebound to push the pressing rod 22 to reset and move when the copper bar is disassembled.

When the copper bar is used, after the copper bar passes through the transformer, the rotating block 263 is rotated, the rotating block 263 drives the extrusion block 262 to rotate together, the extrusion block 262 is eccentrically arranged, the movable frame plate 21 is pushed to move towards the copper bar during rotation, the movable frame plate 21 drives the pressing rod 22 to move through the connecting block 24, the pressing rod 22 pushes the pressing head 221 to move towards the copper bar, the pressing pieces 2 symmetrically arranged on two sides of the transformer shell 1 can clamp the copper bar through the pressing head 221, so that the copper bar is pressed and positioned, the copper bar is rapidly pressed, and the copper bar can be rapidly removed during disassembly.

Examples

Referring to fig. 5-7, the present embodiment further describes an example: the connecting block 24 is arranged on the pressing rod 22, and the pressing rod 22 is connected with the moving block 25 through the connecting block 24, so that the pressing rod 22 can be driven to move together when the moving block 25 is driven to move by the moving frame plate 21.

The connecting block 24 is provided with a first connecting end 241 and a second connecting end 242, the first connecting end 241 is connected with the pressing rod 22, the second connecting end 242 is connected with the moving block 25, and the connecting block 24 can connect the pressing rod 22 with the moving block 25 through the connection between the pressing rod 22 and the moving block 25.

The pressing rod 22 is in threaded connection with the first connecting end 241, the third connecting end 251 is arranged on the moving block 25, the second connecting block 24 is in threaded connection with the third connecting end 251, the connecting block 24 can be separated from the moving block 25 through threaded connection, the pressing rod 22 can be moved to adjust, the pressing rod 22 can be adjusted to clamp and press copper bars with different thicknesses, and the clamping degree during pressing can be further adjusted.

The first connecting end 241, the second connecting end 242, the third connecting end 251 and the pressing rod 22 have consistent thread pitches, so that when the connecting block 24 moves on the pressing rod 22 through rotation, the second connecting end 242 contacts with the third connecting end 251 and can be in threaded connection with the third connecting end 251 through rotation.

Through rotating connecting block 24 for connecting end two 242 on the connecting block 24 separates with connecting end three 251 on the movable block 25, makes press lever 22 can remove, can adjust the distance that press lever 22 tip stretches out towards the copper bar direction, thereby can adjust press lever 22 and carry out the centre gripping to the copper bar of different thickness and press, and can further adjust the clamping degree when pressing.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims

1. The utility model provides a disconnect-type current transformer, includes mutual-inductor casing (1), its characterized in that:

the positioning block (11) is arranged on the transformer shell (1);

The pressing piece (2) is arranged on the positioning block (11) and used for rapidly pressing the copper bar;

The pressing piece (2) comprises a pressing rod (22), the pressing rod (22) is movably arranged on the positioning block (11), a pressing head (221) is arranged at the end part of the pressing rod (22), and the pressing rod (22) clamps and presses the copper bars through the pressing head (221).

2. A split current transformer according to claim 1, wherein: the pressing piece (2) further comprises a movable frame plate (21) and a control piece (26), wherein moving blocks (25) are respectively arranged at two ends of the movable frame plate (21), the moving blocks (25) are connected with the pressing rods (22), and the control piece (26) is arranged on the transformer shell (1) and used for controlling movement of the pressing rods (22).

3. A split current transformer according to claim 2, wherein: the control piece (26) comprises a threaded rod (261), wherein a squeezing block (262) is arranged on the threaded rod (261), and the squeezing block (262) is in threaded connection with the threaded rod (261).

4. A split current transformer according to claim 3, wherein: the pressing block (262) is eccentrically arranged on the threaded rod (261).

5. The split current transformer of claim 4, wherein: the extrusion block (262) is provided with a rotary block (263), and the rotary block (263) is arranged on the outer side surface of the extrusion block (262).

6. A split current transformer according to claim 5, wherein: the outer side surface of the pressing rod (22) is provided with a spring (23), and the spring (23) is positioned between the moving block (25) and the positioning block (11).

7. The split current transformer of claim 6, wherein: the pressing rod (22) is provided with a connecting block (24), and the pressing rod (22) is connected with the moving block (25) through the connecting block (24).

8. The split current transformer of claim 7, wherein: the connecting block (24) is provided with a first connecting end (241) and a second connecting end (242), the first connecting end (241) is connected with the pressing rod (22), and the second connecting end (242) is connected with the moving block (25).

9. The split current transformer of claim 8, wherein: the pressing rod (22) is in threaded connection with the first connecting end (241), the third connecting end (251) is arranged on the moving block (25), and the second connecting block (24) is in threaded connection with the third connecting end (251).

10. A split current transformer according to claim 9, wherein: the thread pitches on the first connecting end (241), the second connecting end (242), the third connecting end (251) and the pressing rod (22) are consistent.