CN215007818U - Novel current transformer - Google Patents

Abstract

The utility model discloses a novel current transformer, including the current transformer body, the lower extreme of current transformer body is equipped with the base, be equipped with the cavity in the base, be equipped with buffer gear on the left and right sides inner wall of cavity, the lower extreme that the base is located the left and right sides all is equipped with support piece. The utility model discloses a connecting rod that will be connected with the backing sheet runs through the setting of cavity bottom, rotate the backing sheet and make the connecting rod insert locate the thread groove on the stopper, until for external screw thread and thread groove threaded connection, effectively carry out spacing fixed to connecting rod and backing sheet, conveniently carry out the dismouting, guard plate through the compression spring cooperation rubber products of circular inslot provides the buffering protection to the base lateral wall, and provide the buffering shock attenuation by damping spring cooperation stopper and the connecting rod on the gag lever post to the current transformer body, avoid unexpected striking to cause the damage to the base internals, the life of extension current transformer body.

Description

Novel current transformer

Technical Field

The utility model relates to a current transformer technical field especially relates to a novel current transformer.

Background

The current transformer is an instrument for converting a large current on a primary side into a small current on a secondary side to measure according to an electromagnetic induction principle, the current transformer consists of a closed iron core and a winding, the voltage on a line is generally higher, and the current transformer plays roles of current transformation and electrical isolation if the voltage is measured directly.

When the current transformer is used actually, the base support of the current transformer is inconvenient to disassemble and assemble, a buffering protection structure is lacked, and a novel current transformer is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel current transformer for current transformer is when the in-service use among the solution background art, and its base support is inconvenient to be carried out the dismouting, and lacks buffering protective structure's technical problem.

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

the utility model provides a novel current transformer, includes the current transformer body, the lower extreme of current transformer body is equipped with the base, be equipped with the cavity in the base, be equipped with buffer gear on the left and right sides inner wall of cavity, the lower extreme that the base is located the left and right sides all is equipped with support piece, support piece run through the bottom setting of cavity and with buffer gear threaded connection, all be equipped with protection machanism on the both ends lateral wall about the base.

Preferably, buffer gear is including setting up the bar spacing groove on the inner wall of the cavity left and right sides, two equal sliding connection in the bar spacing groove has assorted stopper with it, fixedly connected with gag lever post on the top surface of bar spacing groove, the through-hole of intercommunication about the stopper is located the one end of bar spacing inslot is equipped with, the gag lever post run through the through-hole setting and with the bottom fixed connection of bar spacing groove, the stopper is located the outer lower extreme and the support piece threaded connection of bar spacing groove, fixedly connected with damping spring on the top surface of bar spacing groove, damping spring cup joints the gag lever post setting and with stopper fixed connection.

Preferably, the support piece includes that the cavity that vertically runs through respectively is located the connecting rod on the left and right sides bottom, two the upper end of connecting rod all with the lower extreme threaded connection of stopper, two the equal fixedly connected with backing sheet of lower extreme of connecting rod, two the one end that the connecting rod was kept away from to the backing sheet all is equipped with the mounting hole of intercommunication from top to bottom.

Preferably, the lower end of the limiting block, which is located outside the strip-shaped limiting groove, is provided with a thread groove, the annular side wall of the connecting rod, which is close to the upper end, is provided with an external thread, the connecting rod is inserted into the thread groove, and the external thread is in threaded connection with the thread groove.

Preferably, the protection machanism includes dead lever on both ends lateral wall about the base of fixed connection respectively, two the one end that the base was kept away from to the dead lever all is equipped with the guard plate, two all be equipped with the circular recess on the relative lateral wall of guard plate, two the circular recess is just to two dead lever settings respectively, two equal fixedly connected with compression spring on the inner wall that the base was kept away from to the circular recess, two the dead lever insert respectively locate two circular recesses and with compression spring fixed connection.

Preferably, the protection plate is a rubber product.

Compared with the prior art, the utility model, its beneficial effect does:

1. the connecting rod that will be connected with the backing sheet runs through the setting of cavity bottom, rotates the backing sheet and makes the connecting rod insert locate the thread groove on the stopper in, until for external screw thread and thread groove threaded connection, effectively carries out spacing fixed, conveniently carries out the dismouting to connecting rod and backing sheet.

2. The guard plate through the pressure spring in the circular groove and the rubber product provides buffer protection for the side wall of the base, and the damping spring on the limiting rod is matched with the limiting block and the connecting rod to provide buffer damping for the current transformer body, so that damage to internal components of the base due to accidental impact is avoided, and the service life of the current transformer body is prolonged.

Drawings

Fig. 1 is a schematic structural view of a novel current transformer provided by the present invention;

fig. 2 is a schematic partial perspective view of a novel current transformer provided by the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural diagram of the support member of the novel current transformer provided by the utility model.

In the figure: 1 current transformer body, 2 bases, 3 cavities, 4 bar-shaped limiting grooves, 5 limiting blocks, 6 limiting rods, 7 through holes, 8 damping springs, 9 connecting rods, 10 supporting sheets, 11 mounting holes, 12 thread grooves, 13 external threads, 14 fixing rods, 15 protection plates, 16 circular grooves and 17 pressure springs.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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.

Referring to fig. 1-4, a novel current transformer comprises a current transformer body 1, a base 2 is arranged at the lower end of the current transformer body 1, a chamber 3 is arranged in the base 2, buffer mechanisms are arranged on the inner walls of the left and right sides of the chamber 3, the buffer mechanisms comprise strip-shaped limiting grooves 4 arranged on the inner walls of the left and right sides of the chamber 3, stopper 5 matched with the bar-shaped limiting grooves 4 are respectively connected in the two strip-shaped limiting grooves 4 in a sliding manner, a limiting rod 6 is fixedly connected on the top surface of the strip-shaped limiting grooves 4, a through hole 7 which is communicated up and down is arranged at one end of the stopper 5 which is positioned in the strip-shaped limiting grooves 4, the limiting rod 6 penetrates through the through hole 7 and is fixedly connected with the bottom of the strip-shaped limiting grooves 4, the lower end of the stopper 5 which is positioned outside the strip-shaped limiting grooves 4 is connected with a support piece in a threaded manner, a damping spring 8 is fixedly connected on the top surface of the strip-shaped limiting grooves 4, the damping spring 8 cooperates with the stopper 5 and a connecting rod 9 to provide damping for the current transformer body 1, avoid unexpected striking to cause the damage to 2 internal components of base, damping spring 8 cup joints 6 settings of gag lever post and with stopper 5 fixed connection.

The lower ends of the base 2 positioned at the left side and the right side are respectively provided with a support piece, the support pieces penetrate through the bottom of the cavity 3 and are in threaded connection with the buffer mechanism, the support pieces comprise connecting rods 9 vertically penetrating through the cavity 3 and positioned at the bottoms of the left side and the right side, the upper ends of the two connecting rods 9 are both in threaded connection with the lower ends of the limit blocks 5, the lower ends of the two connecting rods 9 are both fixedly connected with support pieces 10, one ends of the two support pieces 10 far away from the connecting rods 9 are both provided with mounting holes 11 which are communicated up and down, the lower ends of the limit blocks 5 positioned outside the strip-shaped limit grooves 4 are provided with thread grooves 12, the connecting rods 9 are provided with external threads 13 close to the upper ends, the connecting rods 9 are inserted in the thread grooves 12, the external threads 13 are in threaded connection with the thread grooves 12, when the external threads 13 are in threaded connection with the thread grooves 12, the connecting rods 9 and the support pieces 10 are effectively limited and fixed, and only the support pieces 10 need to be rotated to separate the external threads 13 from the thread grooves 12 during disassembly, the disassembly and assembly are convenient.

All be equipped with protection machanism on the both ends lateral wall about base 2, protection machanism is including dead lever 14 on both ends lateral wall about base 2 of difference fixed connection, the one end that base 2 was kept away from to two dead levers 14 all is equipped with protection plate 15, all be equipped with circular recess 16 on the relative lateral wall of two protection plates 15, two circular recesses 16 are just respectively to two dead levers 14 settings, equal fixedly connected with compression spring 17 on the inner wall that base 2 was kept away from to two circular recesses 16, compression spring 17's elastic property cooperation stopper 5 and connecting rod 9 provide the buffering shock attenuation to current transformer body 1, avoid unexpected striking to cause the damage to base 2 internals, extension current transformer body 1's life, two dead levers 14 insert respectively locate in two circular recesses 16 and with compression spring 17 fixed connection, protection plate 15 is rubber products.

When the utility model is used, the connecting rod 9 connected with the supporting sheet 10 is manually vertically arranged through the bottom of the cavity 3 until the connecting rod 9 is contacted with the thread groove 12 on the limiting block 5 in an abutting manner, the supporting sheet 10 is rotated to drive the connecting rod 9 to rotate until the external thread 13 on the connecting rod 9 is in threaded connection with the thread groove 12, the connecting rod 9 and the supporting sheet 10 are effectively limited and fixed, only the supporting sheet 10 needs to be rotated to separate the external thread 13 from the thread groove 12 during disassembly, disassembly and assembly are convenient, when the base 2 is stressed, the acting force drives the limiting block 5 to move on the limiting rod 6 in the strip-shaped limiting groove 4 and compresses the damping spring 8, so that the elastic performance of the damping spring 8 is matched with the limiting block 5 and the connecting rod 9 to provide buffer and shock absorption for the current transformer body 1, the damage to the internal components of the base 2 caused by accidental impact is avoided, and simultaneously, the pressure spring 17 in the circular groove 16 is matched with the protection plate 15 of a rubber product to provide buffer and protection for the side wall of the base 2, the service life of the current transformer body 1 is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a novel current transformer, includes current transformer body (1), the lower extreme of current transformer body (1) is equipped with base (2), its characterized in that, be equipped with cavity (3) in base (2), be equipped with buffer gear on the left and right sides inner wall of cavity (3), the lower extreme that base (2) are located the left and right sides all is equipped with support piece, support piece run through the bottom setting of cavity (3) and with buffer gear threaded connection, all be equipped with protection machanism on the both ends lateral wall about base (2).

2. The novel current transformer according to claim 1, wherein the buffer mechanism comprises strip-shaped limiting grooves (4) arranged on the inner walls of the left and right sides of the chamber (3), the two strip-shaped limiting grooves (4) are both connected with limiting blocks (5) matched with the limiting grooves in a sliding manner, a limiting rod (6) is fixedly connected on the top surface of the strip-shaped limiting groove (4), a through hole (7) which is communicated up and down is arranged at one end of the limiting block (5) which is positioned in the strip-shaped limiting groove (4), the limiting rod (6) penetrates through the through hole (7) and is fixedly connected with the bottom of the strip-shaped limiting groove (4), the lower end of the limiting block (5) positioned outside the strip-shaped limiting groove (4) is in threaded connection with the supporting piece, the top surface of the strip-shaped limit groove (4) is fixedly connected with a damping spring (8), damping spring (8) cup joint gag lever post (6) and set up and with stopper (5) fixed connection.

3. The novel current transformer according to claim 2, characterized in that the support member comprises connecting rods (9) vertically penetrating through the cavity (3) and located on the bottoms of the left side and the right side respectively, the upper ends of the two connecting rods (9) are in threaded connection with the lower end of the limiting block (5), the lower ends of the two connecting rods (9) are fixedly connected with support sheets (10), and the ends, far away from the connecting rods (9), of the two support sheets (10) are provided with mounting holes (11) which are communicated up and down.

4. The novel current transformer according to claim 3, characterized in that a thread groove (12) is formed in the lower end of the limiting block (5) located outside the strip-shaped limiting groove (4), an external thread (13) is formed in the annular side wall, close to the upper end, of the connecting rod (9), the connecting rod (9) is inserted into the thread groove (12), and the external thread (13) is in threaded connection with the thread groove (12).

5. The novel current transformer according to claim 1, wherein the protection mechanism comprises fixing rods (14) fixedly connected to side walls of left and right ends of the base (2), respectively, a protection plate (15) is disposed at one end of each of the two fixing rods (14) far from the base (2), circular grooves (16) are disposed on opposite side walls of the two protection plates (15), the two circular grooves (16) are respectively disposed opposite to the two fixing rods (14), pressure springs (17) are fixedly connected to inner walls of the two circular grooves (16) far from the base (2), and the two fixing rods (14) are respectively inserted into the two circular grooves (16) and fixedly connected with the pressure springs (17).

6. The novel current transformer according to claim 5, characterized in that the protection plate (15) is made of rubber.

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