CN213635594U

CN213635594U - Mounting structure for current transformer

Info

Publication number: CN213635594U
Application number: CN202022804128.7U
Authority: CN
Inventors: 张庆华; 张丽; 黎明
Original assignee: Micro Energy Huitong Liaoning Power Technology Co ltd
Current assignee: Micro Energy Huitong Liaoning Power Technology Co ltd
Priority date: 2020-11-29
Filing date: 2020-11-29
Publication date: 2021-07-06
Anticipated expiration: 2030-11-29

Abstract

The utility model discloses a mounting structure for current transformer, including the current transformer body, current transformer body bottom fixed connection support column, the support column outer wall is close to bottom fixed position and connects the spacing ring, support column bottom fixed connection ceramic seat, the support column outside has cup jointed the internal thread gland and is swing joint, internal thread gland outer wall fixed connection projection, current transformer body below is provided with the base, surface intermediate position fixed connection external screw thread socket on the base, the inside bottom of external screw thread socket bonds there is the rubber pad. The utility model discloses ceramic holder pegs graft inside later at the external screw thread socket, and the internal screw gland is twisted soon to the relative support column, and internal screw gland spiral shell connects outside the external screw thread socket, extrudees the spacing ring until the internal screw gland, and the support column compresses tightly through the internal screw gland and fixes on the base surface this moment, and the completion is fixed to the installation of current transformer body.

Description

Mounting structure for current transformer

Technical Field

The utility model relates to a current transformer technical field specifically is a mounting structure for current transformer.

Background

The current transformer is an instrument for measuring by converting a large primary side current into a small secondary side current according to the electromagnetic induction principle. The current transformer is composed of a closed iron core and a winding. The primary side winding of the transformer has few turns and is connected in a circuit of the current to be measured. Therefore, all current of a line always flows through the current transformer, the number of turns of the secondary side winding is large, the secondary side winding is connected in series in the measuring instrument and the protection loop, and the secondary side loop of the current transformer is always closed when the current transformer works, so that the impedance of the series coil of the measuring instrument and the protection loop is small, and the working state of the current transformer is close to a short circuit. The current transformer converts a large current on the primary side into a small current on the secondary side for measurement, and the secondary side can not be opened. The vocabulary entry introduces its working principle, parameter description, classification, use introduction, etc.

However, the existing current transformer has the following disadvantages when in use:

traditional current transformer bottom installation base, when relative holding surface installation, through the mounting hole of current transformer's base surface and the mounting groove of holding surface align, then it is fixed to the pedestal mounting under the auxiliary action of instrument through the bolt, because formula design as an organic whole between current transformer body and the base, when the maintenance of the maintenance in later stage and installation, all need assist the installation with the help of the bolt, not only troublesome poeration and waste time and energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mounting structure for current transformer to solve traditional current transformer bottom installation base that proposes in the above-mentioned background art, when relative holding surface installation, through the mounting hole of the base surface of current transformer with the mounting groove of holding surface is aligned, then it is fixed to pedestal mounting under the complementary action of instrument through the bolt, because the design of formula as an organic whole between current transformer body and the base, in the maintenance and the installation in later stage, all need assist the installation with the help of the bolt, not only troublesome poeration and the problem of wasting time and energy.

In order to solve the technical problem, the utility model provides a following technical scheme: a mounting structure for a current transformer comprises a current transformer body, wherein the bottom end of the current transformer body is fixedly connected with a support column, the outer wall of the support column is fixedly connected with a limiting ring at a position close to the bottom end, the bottom end of the support column is fixedly connected with a ceramic base, an internal thread gland is sleeved outside the support column and is movably connected with the support column, the outer wall of the internal thread gland is fixedly connected with a convex column, a base is arranged below the current transformer body, the middle position of the upper surface of the base is fixedly connected with an external thread socket, the bottom end inside the external thread socket is bonded with a rubber pad, after the ceramic base is inserted into the external thread socket, the internal thread gland is screwed relative to the support column, the internal thread gland is screwed outside the external thread socket until the internal thread gland, and the current transformer body is installed and fixed.

Furthermore, the support column outside is close to top position fixed connection becket, the becket is located the internal thread gland top, internal thread gland surface symmetry installation magnetic path is inhaled at the becket lower surface through the magnetic path magnetism of internal thread gland upper surface, and in relative pedestal mounting current transformer body, the user is more clear sees the ceramic seat of support column bottom, and convenient accurate grafting is on the inside rubber pad surface of external screw thread socket.

Furthermore, the through hole has been seted up to internal thread gland surface intermediate position, internal thread gland and external screw thread socket spiral peg graft, the spacing ring is located inside the internal thread gland, pegs graft inside external screw thread socket after the ceramic seat, revolves the internal thread gland soon relative to the support column, and the internal thread gland spiral cup joints outside the external screw thread socket until the internal thread gland extrudees the spacing ring, and the support column compresses tightly through the internal thread gland at this moment and fixes on the base surface, and the completion is fixed to the installation of current transformer body.

Further, the mounting hole has been seted up to base surface symmetry, the base surface bonds and has the sealing washer, the sealing washer cup joints outside external screw thread socket, once installs the base through the mounting hole, and when the later stage need be overhauld the current transformer body, internal screw thread gland was twisted out to external screw thread socket relatively, and the support column no longer receives the pressure effect of internal screw thread gland, can easily dismantle the current transformer body.

Furthermore, the convex column end face position is seted up flutedly, the recess is inside to be filled there is the steel ring, when the internal screw gland is revolved to manual, can be inside the recess with the help of helping hand stick plug-in, revolve the process of twisting laborsavingly more, and the steel ring improves the structural strength of recess, prevents to warp.

Further, the equipartition of internal thread gland outer wall has anti-skidding sand grip, through the frictional force of anti-skidding sand grip increase internal thread gland and palm, prevents to sideslip.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. after the ceramic base is inserted inside the external thread socket, the internal thread gland is screwed relative to the support column, the internal thread gland is screwed outside the external thread socket until the internal thread gland extrudes the limiting ring, and at the moment, the support column is pressed and fixed on the surface of the base through the internal thread gland, so that the current transformer body is installed and fixed.

2. The base is installed once through the mounting hole, and when the later stage needs to overhaul the current transformer body, the internal thread gland is twisted out to the external screw thread socket relatively, and the support column no longer receives the pressure effect of internal thread gland, can easily dismantle the current transformer body.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the base structure of the present invention;

fig. 3 is a schematic view of the connection structure of the current transformer body and the support column of the present invention;

fig. 4 is a schematic top view of the internal screw gland of the present invention;

in the figure: 1. a base; 101. mounting holes; 2. a current transformer body; 3. a support pillar; 301. a ceramic base; 302. a limiting ring; 4. an internal thread gland; 401. a magnetic block; 402. a through hole; 5. a convex column; 501. a groove; 502. steel rings; 6. anti-skid convex strips; 7. a seal ring; 8. an externally threaded socket; 9. a rubber pad; 10. a metal ring.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a mounting structure for current transformer, includes

current transformer body

2, 2 bottom fixed connection support columns 3 of current transformer body, 3 outer walls of support column are close to bottom fixed

connection spacing ring

302, 3 bottom fixed connection ceramic bases 301 of support column, 3 outside cup joints female screw gland 4 and be swing joint of support column, 4 outer wall fixed connection projections 5 of female screw gland, 2 below of current transformer body are provided with

base

1, 1 upper surface intermediate position fixed connection external screw thread socket 8 of base, the inside bottom of external screw thread socket 8 bonds there is rubber pad 9.

Support column 3 outside is close to top position fixed connection becket 10, becket 10 is located internal thread gland 4 tops, internal thread gland 4 surface symmetry installation magnetic path 401, and magnetic path 401 through internal thread gland 4 upper surface is inhaled at becket 10 lower surface magnetically, and in relative base 1 installation current transformer body 2, the user is more clear sees the ceramic base 301 of support column 3 bottom, and convenient accurate grafting is on the inside rubber pad 9 surface of external thread socket 8.

Through-hole 402 has been seted up to internal thread gland 4 surperficial intermediate position, internal thread gland 4 and 8 spiral pegs graft of external screw thread socket, spacing ring 302 is located inside internal thread gland 4, pegs graft after external screw thread socket 8 is inside when ceramic base 301, revolves internal thread gland 4 soon relative to support column 3, and internal thread gland 4 spiral cup joints in external screw thread socket 8 outsidely, extrudees spacing ring 302 until internal thread gland 4, and support column 3 compresses tightly through internal thread gland 4 this moment and fixes on base 1 surface, and the completion is fixed to the installation of current transformer body 2.

Mounting hole 101 has been seted up to base 1 surface symmetry, base 1 surface bonds has sealing washer 7, sealing washer 7 cup joints in external screw thread socket 8 outsidely, once installs base 1 through mounting hole 101, and in the later stage need overhaul current transformer body 2, internal screw gland 4 is twisted out to external screw thread socket 8 relatively, and support column 3 no longer receives the pressure effect of internal screw gland 4, can easily dismantle current transformer body 2.

The groove 501 is formed in the end face of the convex column 5, the steel ring 502 is filled in the groove 501, when the internal thread gland 4 is screwed manually, the internal thread gland can be inserted into the groove 501 through the aid of the power rod, the screwing process is more labor-saving, the steel ring 502 improves the structural strength of the groove 501, and deformation is prevented.

The 4 outer wall equipartitions of internal thread gland have anti-skidding sand grip 6, through the frictional force of the 6 increase internal thread gland 4 of anti-skidding sand grip and palm, prevent to sideslip.

The utility model discloses a theory of operation: the bottom end of the current transformer body 2 is fixedly connected with a support column 3, the outer wall of the support column 3 is fixedly connected with a limiting ring 302 at a position close to the bottom end, the bottom end of the support column 3 is fixedly connected with a ceramic base 301, an internal thread gland 4 is sleeved outside the support column 3 and is movably connected, an external thread socket 8 is fixedly connected at the middle position of the upper surface of the base 1, after the ceramic base 301 is inserted into the external thread socket 8, the internal thread gland 4 is screwed relative to the support column 3, the internal thread gland 4 is spirally sleeved outside the external thread socket 8 until the internal thread gland 4 is extruded to the limiting ring 302, at the moment, the support column 3 is tightly pressed and fixed on the surface of; install base 1 once through mounting hole 101, when later stage need overhaul current transformer body 2, internal thread gland 4 was twisted out to external screw thread socket 8 relatively, and support column 3 no longer receives the pressure effect of internal thread gland 4, can easily dismantle current transformer body 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mounting structure for a current transformer, comprising a current transformer body (2), characterized in that: current transformer body (2) bottom fixed connection support column (3), support column (3) outer wall is close to bottom fixed connection spacing ring (302), support column (3) bottom fixed connection ceramic seat (301), support column (3) outside is cup jointed internal thread gland (4) and is swing joint, internal thread gland (4) outer wall fixed connection projection (5), current transformer body (2) below is provided with base (1), surface intermediate position fixed connection external screw thread socket (8) on base (1), the inside bottom bonding of external screw thread socket (8) has rubber pad (9).

2. A mounting structure for a current transformer according to claim 1, wherein: the support column (3) is externally close to the top end position fixed connection metal ring (10), the metal ring (10) is located above the internal thread gland (4), and the magnetic blocks (401) are symmetrically installed on the surface of the internal thread gland (4).

3. A mounting structure for a current transformer according to claim 1, wherein: through-hole (402) have been seted up to internal thread gland (4) surface intermediate position, internal thread gland (4) and external screw thread socket (8) spiral grafting, spacing ring (302) are located inside internal thread gland (4).

4. A mounting structure for a current transformer according to claim 1, wherein: mounting holes (101) are symmetrically formed in the surface of the base (1), a sealing ring (7) is bonded to the surface of the base (1), and the sealing ring (7) is sleeved outside the external thread socket (8).

5. A mounting structure for a current transformer according to claim 1, wherein: a groove (501) is formed in the end face of the convex column (5), and a steel ring (502) is filled in the groove (501).

6. A mounting structure for a current transformer according to claim 1, wherein: and anti-skid convex strips (6) are uniformly distributed on the outer wall of the internal thread gland (4).