CN210272014U

CN210272014U - Fixing structure of transformer core

Info

Publication number: CN210272014U
Application number: CN201920815084.2U
Authority: CN
Inventors: 刘冬
Original assignee: Jiangsu Shuming Electric Equipment Co ltd
Current assignee: Jiangsu Shuming Electric Equipment Co ltd
Priority date: 2019-06-01
Filing date: 2019-06-01
Publication date: 2020-04-07
Anticipated expiration: 2029-06-01

Abstract

The utility model discloses a fixed knot of transformer core constructs, including transformer housing, transformer housing's inside is equipped with iron core body, iron core body's both sides all are equipped with movable plate and dwang, be equipped with the recess on the lateral wall of movable plate, be equipped with the fixed plate on iron core body's the lateral wall, be equipped with buffer between fixed plate and the recess inside wall, the cover is equipped with two movable blocks on the dwang, two threaded connection between the movable block all and the dwang, two the screw thread opposite direction of movable block, be fixed with the pivot on the lateral wall of movable plate, all be equipped with the connecting rod between pivot and two movable blocks, the both ends of connecting rod rotate with pivot, movable block respectively and are connected. This fixed knot of transformer core constructs to the fixed easy operation of iron core, has improved the installation effectiveness of iron core in the transformer, and dismantles convenient operation, utilizes the maintenance and the change of iron core.

Description

Fixing structure of transformer core

Technical Field

The utility model relates to a transformer correlation goods field specifically is a fixed knot of transformer core constructs.

Background

The core is the main magnetic circuit part in the transformer. Usually made by stacking hot-rolled or cold-rolled silicon steel sheets containing silicon in a high content and coated with an insulating varnish on their surface. The iron core and the coil wound on the iron core form a complete electromagnetic induction system. The size of the transmission power of the power transformer depends on the material and the cross section area of the iron core, and the iron core in the transformer needs to be fixed, so that looseness in the use process is avoided.

The existing transformer iron core fixing structure has the defects of complex operation for fixing the iron core, reduced work efficiency for fixing the iron core, inconvenient disassembly and inconvenient overhaul and replacement of the iron core.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed knot of transformer core constructs to propose current transformer core fixed knot structure among the above-mentioned background art and to iron core fixed operation loaded down with trivial details, lead to reducing the fixed work efficiency of iron core, and dismantle inconvenient, the maintenance of the iron core of being not convenient for and the problem of change.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fixed knot of transformer core constructs, includes transformer housing, transformer housing's inside is equipped with the iron core body, the both sides of iron core body all are equipped with movable plate and dwang, be equipped with the recess on the lateral wall of movable plate, be equipped with the fixed plate on iron core body's the lateral wall, be equipped with buffer between fixed plate and the recess inside wall, the cover is equipped with two movable blocks, two on the dwang the movable block all with dwang between threaded connection, two the screw thread opposite direction of movable block, be fixed with the pivot on the lateral wall of movable plate, all be equipped with the connecting rod between pivot and two movable blocks, the both ends of connecting rod rotate with pivot, movable block respectively and.

Preferably, buffer includes first branch, second branch and spring, the one end and the recess inside wall fixed connection of second branch, second branch is hollow structure, the inside at second branch is established to a pot head of first branch, the other end of first branch run through second branch and with fixed plate fixed connection, the spring housing is established on first branch, and the both ends of spring respectively with second branch, the relative lateral wall fixed connection of fixed plate.

Preferably, the outer side wall of the moving block is provided with a storage groove, a ball is arranged in the storage groove, and the ball abuts against the inner side wall of the transformer shell.

Preferably, two symmetrically arranged rubber blocks are fixed on the outer side wall of the moving plate and abut against the iron core body.

Preferably, be fixed with the stopper that corresponds with the dwang on the interior bottom lateral wall of transformer housing, be equipped with the spacing groove in the stopper, the lower extreme of dwang run through the stopper and rotate with spacing inslot bottom end lateral wall and be connected, the spacing inslot is equipped with the anticreep ring, the fixed cover of anticreep ring is established on the dwang.

Preferably, the upper end of dwang runs through transformer housing and fixedly connected with rotates the handle, the cover is equipped with the rubber circle on the lateral wall of rotation handle.

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

1. the rotating handle rotates to drive the rotating rod to rotate, the two moving blocks move on the rotating rod through the thread action between the rotating rod and the two moving blocks in the rotating process of the rotating rod, the thread directions of the two moving blocks are opposite, the two moving blocks move on the rotating rod relatively, the connecting rod rotates around the rotating shaft in the moving process of the moving blocks, the moving plates are pushed to move towards the iron core body and move until the fixed plates abut against the iron core body, and the two fixed plates clamp and fix the iron core body;

2. in-process is rotated at the dwang, anticreep ring effectively avoids the dwang to rotate the in-process pine and takes off, when offsetting through fixed plate and iron core body, first branch atress removes in second branch inboard, make the spring compress between second branch and fixed plate, the atress buffering is provided, avoid the excessive iron core body that causes of extrusion force to damage, the block rubber makes iron core body offset, frictional force has been increased, fixed stability has been improved, when the movable block moved on the dwang simultaneously, the ball has reduced frictional force, the removal efficiency of movable block has been improved.

Drawings

Fig. 1 is a schematic structural view of a fixing structure of a transformer core according to the present invention;

fig. 2 is a schematic structural diagram of a position a of a fixing structure of a transformer core according to the present invention;

fig. 3 is a schematic diagram of a B-position structure of a fixing structure of a transformer core according to the present invention.

In the figure: 1 iron core body, 2 fixed plates, 3 movable plates, 4 anticreep rings, 5 stopper, 6 dwang, 7 connecting rods, 8 pivots, 9 rotation handle, 10 rubber rings, 11 rubber blocks, 12 transformer casings, 13 balls, 14 movable blocks, 15 first branch, 16 second branch, 17 springs.

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. 1-3, the present invention provides an embodiment: a fixed structure of a transformer iron core comprises a transformer shell 12, an iron core body 1 is arranged inside the transformer shell 12, a moving plate 3 and a rotating rod 6 are arranged on two sides of the iron core body 1, a groove is arranged on the side wall of the moving plate 3, a fixed plate 2 is arranged on the outer side wall of the iron core body 1, a buffer device is arranged between the fixed plate 2 and the inner side wall of the groove, two moving blocks 14 are sleeved on the rotating rod 6, the two moving blocks 14 are in threaded connection with the rotating rod 6, the thread directions of the two moving blocks 14 are opposite, a rotating shaft 8 is fixed on the outer side wall of the moving plate 3, a connecting rod 7 is arranged between the rotating shaft 8 and the two moving blocks 14, two ends of the connecting rod 7 are respectively in rotating connection with the rotating shaft 8 and the moving blocks 14, a rotating handle 9 rotates to drive the, two moving blocks 14 are enabled to move on the rotating rod 6, the thread directions of the two moving blocks 14 are opposite, the two moving blocks 14 move on the rotating rod 6 relatively, in the moving process of the moving blocks 14, the connecting rod 7 is enabled to rotate around the rotating shaft 8, the moving plate 3 is pushed to move towards the iron core body 1, the moving plate moves to the fixed plate 2 to abut against the iron core body 1, and the two fixed plates 2 are used for clamping and fixing the iron core body 1.

Further, the buffering device comprises a first supporting rod 15, a second supporting rod 16 and a spring 17, one end of the second supporting rod 16 is fixedly connected with the inner side wall of the groove, the second supporting rod 16 is of a hollow structure, one end of the first supporting rod 15 is sleeved inside the second supporting rod 16, the other end of the first supporting rod 15 penetrates through the second supporting rod 16 and is fixedly connected with the fixing plate 2, the spring 17 is sleeved on the first supporting rod 15, two ends of the spring 17 are respectively fixedly connected with the second supporting rod 16 and the side wall opposite to the fixing plate 2, when the fixing plate 2 abuts against the iron core body 1, the first supporting rod 15 is stressed to move on the inner side of the second supporting rod 16, the spring 17 is compressed between the second supporting rod 16 and the fixing plate 2, stress buffering is provided, and damage to the iron core body 1 caused by excessive extrusion force is avoided.

Further, be equipped with on the lateral wall of movable block 14 and put the thing groove, put the thing inslot and be equipped with ball 13, ball 13 offsets with the inside wall of transformer housing 12, and when movable block 14 moved on dwang 6, ball 13 has reduced frictional force, has improved movable block 14's removal efficiency.

Further, be fixed with the rubber block 11 that two symmetries set up on the lateral wall of movable plate 3, rubber block 11 offsets with iron core body 1, and rubber block 11 makes iron core body 1 offset, has increased frictional force, has improved fixed stability.

Further, be fixed with stopper 5 that corresponds with dwang 6 on the interior bottom lateral wall of transformer housing 12, be equipped with the spacing groove in the stopper 5, the lower extreme of dwang 6 runs through stopper 5 and rotates with the spacing inslot bottom lateral wall to be connected, and the spacing inslot is equipped with anticreep ring 4, and anticreep ring 4 fixed cover is established on dwang 6, and dwang 6 rotates the in-process, and anticreep ring 4 effectively avoids dwang 6 to rotate the in-process pine and takes off.

Further, the upper end of dwang 6 runs through transformer housing 12 and fixedly connected with rotates handle 9, and the cover is equipped with rubber circle 10 on the lateral wall that rotates handle 9, and convenient to use person rotates.

The working principle is as follows: the rotating handle 9 rotates to drive the rotating rod 6 to rotate, the two moving blocks 14 move on the rotating rod 6 under the action of threads between the rotating rod 6 and the two moving blocks 14 in the rotating process of the rotating rod 6, the thread directions of the two moving blocks 14 are opposite, the two moving blocks 14 move relatively on the rotating rod 6, the connecting rod 7 rotates around the rotating shaft 8 in the moving process of the moving blocks 14 to push the moving plate 3 to move towards the iron core body 1 until the fixed plate 2 abuts against the iron core body 1, the two fixed plates 2 clamp and fix the iron core body 1, the anti-falling ring 4 effectively prevents the rotating rod 6 from falling off in the rotating process, when the fixed plate 2 abuts against the iron core body 1, the first support rod 15 is stressed to move on the inner side of the second support rod 16, the spring 17 is compressed between the second support rod 16 and the fixed plate 2, and stress buffering is provided, avoid the excessive iron core body 1 damage that causes of extrusion force, rubber block 11 makes iron core body 1 offset, has increased frictional force, has improved fixed stability, and when movable block 14 moved on dwang 6 simultaneously, ball 13 has reduced frictional force, has improved movable block 14's removal efficiency. This fixed knot of transformer core constructs to the fixed easy operation of iron core, has improved the installation effectiveness of iron core in the transformer, and dismantles convenient operation, utilizes the maintenance and the change of iron core.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A fixed knot of transformer core constructs, includes transformer housing (12), its characterized in that: an iron core body (1) is arranged inside the transformer shell (12), a moving plate (3) and a rotating rod (6) are arranged on two sides of the iron core body (1), the side wall of the moving plate (3) is provided with a groove, the outer side wall of the iron core body (1) is provided with a fixed plate (2), a buffer device is arranged between the fixed plate (2) and the inner side wall of the groove, two moving blocks (14) are sleeved on the rotating rod (6), the two moving blocks (14) are in threaded connection with the rotating rod (6), the thread directions of the two moving blocks (14) are opposite, a rotating shaft (8) is fixed on the outer side wall of the moving plate (3), connecting rods (7) are arranged between the rotating shaft (8) and the two moving blocks (14), two ends of the connecting rod (7) are respectively and rotatably connected with the rotating shaft (8) and the moving block (14).

2. The fixing structure of the transformer core according to claim 1, wherein: buffer includes first branch (15), second branch (16) and spring (17), the one end and the recess inside wall fixed connection of second branch (16), second branch (16) are hollow structure, a pot head of first branch (15) is established in the inside of second branch (16), the other end of first branch (15) runs through second branch (16) and with fixed plate (2) fixed connection, spring (17) cover is established on first branch (15), and the both ends of spring (17) respectively with second branch (16), the relative lateral wall fixed connection of fixed plate (2).

3. The fixing structure of the transformer core according to claim 1, wherein: the outer side wall of the moving block (14) is provided with a storage groove, a ball (13) is arranged in the storage groove, and the ball (13) abuts against the inner side wall of the transformer shell (12).

4. The fixing structure of the transformer core according to claim 1, wherein: the outer side wall of the moving plate (3) is fixedly provided with two symmetrically arranged rubber blocks (11), and the rubber blocks (11) are abutted to the iron core body (1).

5. The fixing structure of the transformer core according to claim 1, wherein: be fixed with stopper (5) that correspond with dwang (6) on the interior bottom lateral wall of transformer housing (12), be equipped with the spacing groove in stopper (5), the lower extreme of dwang (6) run through stopper (5) and rotate with spacing inslot bottom end lateral wall and be connected, the spacing inslot is equipped with anticreep ring (4), anticreep ring (4) fixed cover is established on dwang (6).

6. The fixing structure of the transformer core according to claim 1, wherein: the upper end of dwang (6) runs through transformer casing (12) and fixedly connected with rotates handle (9), the cover is equipped with rubber circle (10) on the lateral wall of rotation handle (9).