CN211858336U

CN211858336U - Current transformer for power distribution cabinet

Info

Publication number: CN211858336U
Application number: CN202020854180.0U
Authority: CN
Inventors: 孙晓斌
Original assignee: Yantai Haifa Electric Science & Technology Co ltd
Current assignee: Yantai Haifa Electric Science & Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-11-03
Anticipated expiration: 2030-05-20

Abstract

The utility model belongs to the field of current transformers, in particular to a current transformer device for a power distribution cabinet, aiming at the problems of complicated dismounting operation, inconvenient maintenance and poor practicability of the prior current transformer, the utility model provides a scheme which comprises a supporting box, a mounting plate is arranged on the outer top wall of the supporting box, a current transformer body is fixed on the top wall of the mounting plate, the bottom ends of the outer bottom walls at two sides of the supporting box are fixedly connected with a fixed plate, the bottom ends of the fixed plate are fixedly connected with fixed rods, the bottom ends of the two fixed rods are fixedly connected with a bottom plate, a rectangular limiting hole is arranged on the top wall of the supporting box, a first limiting block is fixed on the bottom wall of the mounting plate, the first limiting block is in clearance fit in the limiting hole, clamping blocks are fixed on the bottom walls of the mounting plate at two sides of the supporting box, and limiting grooves are arranged on the side walls where the, the utility model discloses novel structure makes things convenient for the dismouting, and convenient maintenance, the practicality is higher, and the stability of installation is higher, is suitable for the popularization.

Description

Current transformer for power distribution cabinet

Technical Field

The utility model relates to a current transformer technical field especially relates to a current transformer device for switch board.

Background

The current transformer is an instrument for converting a large current on a primary side into a small current on a secondary side according to an electromagnetic induction principle to measure, and the current transformer is generally required to be installed in a power distribution cabinet.

Current transformer generally installs on the inner wall of block terminal, but current transformer's dismouting complex operation, inconvenient maintenance, the practicality is relatively poor, for this reason we provide a current transformer device for switch board.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of current transformer for switch board, the dismouting complex operation of having solved current transformer, inconvenient maintenance, the relatively poor problem of practicality.

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

a current transformer device for a power distribution cabinet comprises a support box, wherein a horizontal mounting plate is arranged on the outer top wall of the support box, a current transformer body is fixed on the top wall of the mounting plate, the bottom ends of the outer bottom walls of two sides of the support box are fixedly connected with horizontal fixing plates, the bottom ends of the fixing plates are fixedly connected with fixing rods, the bottom ends of the two fixing rods are fixedly connected with a bottom plate, the top wall of the support box is provided with a rectangular limiting hole, the bottom wall of the mounting plate is fixedly provided with a first limiting block, the first limiting block is in clearance fit with the limiting hole, the bottom walls of the mounting plate at two sides of the support box are fixedly provided with clamping blocks, the side walls of the two clamping blocks, which are far away from each other, are provided with limiting grooves, and the side walls at two sides of the support box below the clamping blocks are rotatably connected with horizontal lead screws through bearings, be located the outside two of supporting box the equal screw fit in outer lane of lead screw is connected with vertically drive plate, two drive plate sliding connection respectively is two on the roof of fixed plate, two all be fixed with the second stopper on the top lateral wall that the drive plate is close to each other, two the second stopper is respectively clearance fit two the inside of spacing groove, two the one end that the lead screw is close to each other all extends to the inside of supporting box and the first bevel gear of fixedly connected with, rotate through the bearing on the back lateral wall of supporting box and be connected with the horizontally pivot, the front end of pivot extends to the inside of supporting box and fixedly connected with second bevel gear, two first bevel gear all with second bevel gear meshes the connection.

Preferably, bolt holes are formed in the two sides of the bottom plate, and mounting bolts are movably sleeved in the bolt holes.

Preferably, the thread directions of the two screw rods are the same, the rear end of the rotating shaft extends out of the supporting box and is welded with a handle, and the outer ring of the handle is provided with anti-skid grains.

Preferably, the top wall of the fixed plate is provided with a sliding groove along the length direction, sliding blocks are arranged in the sliding groove in a sliding mode, and the two transmission plates are fixed to the top ends of the two sliding blocks respectively.

Preferably, the side walls of the two clamping blocks, which are close to each other, are respectively contacted with the outer side walls of the two sides of the supporting box.

Preferably, the side walls of the two driving plates close to each other are respectively contacted with the side walls of the two clamping blocks far away from each other.

The utility model has the advantages that:

1. through the cooperation of bottom plate, dead lever, supporting box, fixed plate, lead screw, first bevel gear, pivot, first bevel gear, second bevel gear, driving plate, clamp splice, spacing groove, second stopper and mounting panel, can effectually simplify current transformer's dismouting operation for current transformer makes things convenient for the maintenance, the effectual practicality that has promoted current transformer.

2. Through the combined action of supporting box, mounting panel, spacing hole and first stopper, through the limiting displacement of first stopper, the stability of current transformer installation can effectual promotion.

The utility model discloses novel structure makes things convenient for the dismouting, and convenient maintenance, the practicality is higher, and the stability of installation is higher, is suitable for the popularization.

Drawings

Fig. 1 is a schematic structural view of a current transformer for a power distribution cabinet according to the present invention;

fig. 2 is a cross-sectional view of a current transformer for a power distribution cabinet according to the present invention;

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

FIG. 4 is a partial enlarged view of portion B of FIG. 2;

fig. 5 is a top view of a supporting box of the current transformer for power distribution cabinets according to the present invention.

Reference numbers in the figures: 1. a base plate; 2. a support box; 3. a fixing plate; 4. a screw rod; 5. a drive plate; 6. a clamping block; 7. a current transformer body; 8. mounting a plate; 9. fixing the rod; 10. a first bevel gear; 11. a second bevel gear; 12. a rotating shaft; 13. a handle; 14. a limiting hole; 15. a first stopper; 16. a limiting groove; 17. and a second limiting block.

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.

Referring to fig. 1-5, a current transformer for a power distribution cabinet comprises a supporting box 2, a horizontal mounting plate 8 is arranged on the outer top wall of the supporting box 2, a current transformer body 7 is fixed on the top wall of the mounting plate 8, horizontal fixing plates 3 are fixedly connected with the bottom ends of the outer bottom walls of both sides of the supporting box 2, fixing rods 9 are fixedly connected with the bottom ends of the fixing plates 3, bottom ends of the fixing rods 9 are fixedly connected with a bottom plate 1, rectangular limiting holes 14 are arranged on the top wall of the supporting box 2, first limiting blocks 15 are fixed on the bottom wall of the mounting plate 8, the first limiting blocks 15 are in clearance fit in the limiting holes 14, clamping blocks 6 are fixed on the bottom walls of the mounting plate 8 at both sides of the supporting box 2, limiting grooves 16 are arranged on the side walls of the two clamping blocks 6 which are far away from each other, horizontal lead screws 4 are rotatably connected on the side walls at both sides of the supporting box 2 below the clamping blocks 6, the equal screw fit in outer lane that is located two outside lead screws 4 of supporting box 2 is connected with vertically drive plate 5, two drive plate 5 difference sliding connection are on the roof of two fixed plates 3, all be fixed with second stopper 17 on the top lateral wall that two drive plate 5 are close to each other, two second stoppers 17 clearance fit are in the inside of two spacing grooves 16 respectively, the one end that two lead screws 4 are close to each other all extends to the inside and the first bevel gear 10 of fixedly connected with of supporting box 2, be connected with horizontally pivot 12 through bearing rotation on the rear side wall of supporting box 2, the front end of pivot 12 extends to the inside and the fixedly connected with second bevel gear 11 of supporting box 2, two first bevel gears 10 all are connected with second bevel gear 11 meshing.

Bolt holes are formed in the two sides of the bottom plate 1, mounting bolts are movably sleeved in the bolt holes, and the bottom plate 1 can be fixed on the inner wall of the distribution box through the mounting bolts.

The screw thread direction of two lead screws 4 is the same, when pivot 12 rotates, through the transmission of second bevel gear 11 and two first bevel gears 10, can drive two lead screws 4 and rotate along opposite direction, through two lead screws 4 respectively in the helical drive of two driving plates 5, can make two driving plates 5 be close to each other or keep away from each other, the rear end of pivot 12 extends supporting box 2 and welds and have handle 13, can conveniently rotate pivot 12, anti-skidding line has been seted up to handle 13's outer lane.

The spout has been seted up along length direction on the roof of fixed plate 3, and it is provided with the slider to slide in the spout, and two driving plates 5 are fixed respectively on the top of two sliders, can ensure that driving plate 5 can steadily horizontal migration.

The side walls, close to each other, of the two clamping blocks 6 are in contact with the outer side walls of the two sides of the supporting box 2 respectively, and the side walls, close to each other, of the two transmission plates 5 are in contact with the side walls, far away from each other, of the two clamping blocks 6 respectively, so that the stability of the mounting plate 8 can be guaranteed.

Example (b): when the current transformer needs to be installed, the bottom plate 1 is fixed on the inner wall of the power distribution cabinet through the installation bolt, the installation of the current transformer can be completed, the installation operation is simple, when the current transformer needs to be removed, the rotating shaft 12 can be driven to rotate through the rotation of the handle 13, the two screw rods 4 can be driven to rotate through the transmission of the second bevel gear 11 and the two first bevel gears 10, the two driving plates 5 can drive the two second limit blocks 17 to be away from each other through the screw transmission of the two screw rods 4 and the two driving plates 5 respectively, until the two second limit blocks 17 are completely separated from the two limit grooves 16, the installation plate 8 is lifted upwards, the installation plate 8 drives the current transformer body 7, the first limit blocks 15 and the clamping blocks 6 to ascend until the first limit blocks 15 are completely separated from the limit holes 14 and the clamping blocks 6 ascend to the upper part of the support box 2, and the removal of, the dismounting operation is simple, so that the current transformer is convenient to dismount and maintain; insert spacing hole 14 completely through first stopper 15, can be through the limiting displacement of first stopper 15, effectually prevent that mounting panel 8 and current transformer body 7 from taking place the off normal of horizontal direction to the effectual stability that promotes the current transformer installation.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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

1. The current transformer device for the power distribution cabinet comprises a support box (2) and is characterized in that a horizontal mounting plate (8) is mounted on the outer top wall of the support box (2), a current transformer body (7) is fixed on the top wall of the mounting plate (8), horizontal fixing plates (3) are fixedly connected to the bottom ends of the outer bottom walls of the two sides of the support box (2), fixing rods (9) are fixedly connected to the bottom ends of the fixing plates (3), bottom ends of the fixing rods (9) are fixedly connected with a bottom plate (1), rectangular limiting holes (14) are formed in the top wall of the support box (2), first limiting blocks (15) are fixed on the bottom wall of the mounting plate (8), the first limiting blocks (15) are in clearance fit with the inner portions of the limiting holes (14), clamping blocks (6) are fixed on the bottom walls of the mounting plate (8) on the two sides of the support box (2), the two clamping blocks (6) are respectively provided with a limiting groove (16) on the side wall far away from each other, the side walls of the two sides of the supporting box (2) positioned below the clamping blocks (6) are respectively rotatably connected with a horizontal screw rod (4) through a bearing, the outer rings of the two screw rods (4) positioned outside the supporting box (2) are respectively connected with a vertical transmission plate (5) in a spiral fit manner, the two transmission plates (5) are respectively connected on the top walls of the two fixing plates (3) in a sliding manner, the top end side walls, close to each other, of the two transmission plates (5) are respectively fixed with a second limiting block (17), the two second limiting blocks (17) are respectively in a clearance fit manner inside the two limiting grooves (16), the ends, close to each other, of the two screw rods (4) are respectively extended to the inside of the supporting box (2) and are fixedly connected with a first bevel gear (10), the rear side wall of the supporting box (2) is rotatably connected with a horizontal rotating shaft (12), the front end of the rotating shaft (12) extends into the supporting box (2) and is fixedly connected with a second bevel gear (11), and the two first bevel gears (10) are meshed and connected with the second bevel gear (11).

2. The current transformer device according to claim 1, wherein bolt holes are formed in both sides of the base plate (1), and mounting bolts are movably sleeved in the bolt holes.

3. The current transformer device for the power distribution cabinet according to claim 1, wherein the two lead screws (4) have the same thread direction, the rear end of the rotating shaft (12) extends out of the supporting box (2) and is welded with a handle (13), and the outer ring of the handle (13) is provided with anti-skid threads.

4. The current transformer device according to claim 1, wherein the top wall of the fixing plate (3) is provided with a sliding groove along the length direction, a sliding block is slidably arranged in the sliding groove, and the two driving plates (5) are respectively fixed at the top ends of the two sliding blocks.

5. The current transformer device according to claim 1, wherein the side walls of the two clamping blocks (6) close to each other are respectively in contact with the outer side walls of the two sides of the supporting box (2).

6. The current transformer device according to claim 1, wherein the two driving plates (5) are in contact with the two clamping blocks (6) at the side walls close to each other.