CN217640920U

CN217640920U - Clamp type clamping mutual inductor iron core

Info

Publication number: CN217640920U
Application number: CN202221436022.9U
Authority: CN
Inventors: 赵永红; 赵成厚
Original assignee: Xiongxian Tianhui Iron Core Manufacturing Co ltd
Current assignee: Xiongxian Tianhui Iron Core Manufacturing Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-21
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a jaw type centre gripping mutual-inductor iron core relates to mutual-inductor iron core technical field, including the U-shaped iron core, the draw-in groove has been seted up at the top of U-shaped iron core, and the internal connection of draw-in groove has the fixture block, I-shaped iron core is installed at the top of fixture block, and the outside both sides welding of I-shaped iron core has first fixed plate, the bottom of first fixed plate is embedded to have the bearing, the internal connection of bearing has the second spring, and the bottom of second spring is connected with adjusting screw, the outside both sides top fixedly connected with second fixed plate of U-shaped iron core. The utility model discloses in, can link together I shape iron core and U-shaped iron core with the inside of fixture block card income draw-in groove, rotate adjusting screw, can drive the second spring and reciprocate, can adjust the pretightning force of second spring, the second spring can play the effect of buffering to I shape iron core and U-shaped iron core this moment, avoids taking place the striking and warp impaired between I shape iron core and the U-shaped iron core.

Description

Clamp type clamping mutual inductor iron core

Technical Field

The utility model relates to a mutual-inductor iron core technical field especially relates to a jaw type centre gripping mutual-inductor iron core.

Background

The transformer is also called instrument transformer, is the general name of current transformer and voltage transformer, can change high voltage into low voltage, great current into undercurrent, is used for measuring or protecting system, its function is mainly to change high voltage or great current into standard low voltage or standard undercurrent according to the proportion, in order to realize the standardization of measuring instrument, protective device and automatic control equipment, miniaturization, we propose a kind of clamp type to grasp the transformer core here.

When the existing pincer-type clamping mutual inductor iron core is used, the connection between the I-shaped iron core and the U-shaped iron core is mostly rigid, and when the iron core is impacted, the I-shaped iron core and the U-shaped iron core are easy to collide, deform and damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current pincer-type centre gripping mutual-inductor iron core in the use, I shape iron core is connected rigid connection with the U-shaped iron core mostly, when the iron core received the impact, takes place the striking easily and warp impaired shortcoming between I shape iron core and the U-shaped iron core, and the pincer-type centre gripping mutual-inductor iron core that proposes.

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

a pincer-type clamp transformer core comprising:

the U-shaped iron core, the draw-in groove has been seted up at the top of U-shaped iron core, and the internal connection of draw-in groove has the fixture block, I-shaped iron core is installed at the top of fixture block, and the outside both sides welding of I-shaped iron core has first fixed plate, the bottom of first fixed plate is embedded to have the bearing, the internal connection of bearing has the second spring, and the bottom of second spring is connected with adjusting screw, the outside both sides top fixedly connected with second fixed plate of U-shaped iron core.

Preferably, the front and the back of the I-shaped iron core are provided with sliding grooves, the sliding grooves are connected with sliding blocks, the sliding blocks are externally provided with square frames, the upper side and the lower side of the outer portion of each square frame are connected with first springs, and the tail ends of the first springs are provided with arc-shaped plates.

Preferably, the I-shaped iron core and the U-shaped iron core form sliding connection through the clamping block and the clamping groove, and the outer wall of the clamping block is attached to the inside of the clamping groove.

Preferably, the second spring and the first fixing plate are rotatably connected through a bearing, the bearing and the adjusting screw rod form an elastic structure through the second spring, and the adjusting screw rod is in threaded connection with the second fixing plate.

Preferably, an elastic structure is formed between the arc-shaped plate and the square frame through a first spring, and the central axis of the arc-shaped plate is overlapped with the central axis of the square frame.

Preferably, a sliding structure is formed between the square frame and the I-shaped iron core through a sliding block, and the outer portion of the sliding block is attached to the inner wall of the sliding groove.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, can link together I shape iron core and U-shaped iron core with the inside of fixture block card income draw-in groove, rotate adjusting screw, can drive the second spring and reciprocate, can adjust the pretightning force of second spring, the second spring can play the effect of buffering to I shape iron core and U-shaped iron core this moment, avoids taking place the striking and warp impaired between I shape iron core and the U-shaped iron core.

2. The utility model discloses in, link together arc and square frame through first spring, first spring can play the effect of buffering to the arc, avoids causing the damage around the wire that connects in I shape iron core outside and the external contact of I shape iron core or U-shaped iron core.

Drawings

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

FIG. 2 is a schematic view of the connection structure between the middle frame and the I-shaped iron core;

fig. 3 is an enlarged schematic structural diagram of a point a in fig. 1 of the present invention.

Illustration of the drawings:

1. an arc-shaped plate; 2. a square frame; 3. an I-shaped iron core; 4. a first fixing plate; 5. a second fixing plate; 6. adjusting the screw rod; 7. a U-shaped iron core; 8. a card slot; 9. a clamping block; 10. a chute; 11. a first spring; 12. a slider; 13. a bearing; 14. a second spring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a pincer-type clamping mutual inductor iron core comprises a U-shaped iron core 7, a clamping groove 8 is formed in the top of the U-shaped iron core 7, a clamping block 9 is connected inside the clamping groove 8, an I-shaped iron core 3 is installed at the top of the clamping block 9, first fixing plates 4 are welded on two sides of the outside of the I-shaped iron core 3, the I-shaped iron core 3 and the U-shaped iron core 7 are in sliding connection through the clamping block 9 and the clamping groove 8, the outer wall of the clamping block 9 is attached to the inside of the clamping groove 8, the clamping block 9 is clamped into the inside of the clamping groove 8, the I-shaped iron core 3 and the U-shaped iron core 7 can be connected together, and the attachment ensures that the clamping block 9 and the clamping groove 8 can be attached together all the time when the I-shaped iron core 3 and the U-shaped iron core 7 move relatively, so as to ensure good electrical conductivity;

a bearing 13 is embedded in the bottom of the first fixing plate 4, a second spring 14 is connected inside the bearing 13, the bottom end of the second spring 14 is connected with an adjusting screw 6, the second spring 14 and the first fixing plate 4 are rotatably connected through the bearing 13, an elastic structure is formed between the bearing 13 and the adjusting screw 6 through the second spring 14, the adjusting screw 6 and the second fixing plate 5 are in threaded connection, the adjusting screw 6 is rotated, the adjusting screw 6 is matched with the second fixing plate 5 so that the adjusting screw 6 can move up and down and further can drive the second spring 14 to move up and down, the pre-tightening force of the second spring 14 can be adjusted, at the moment, the second spring 14 can buffer the I-shaped iron core 3 and the U-shaped iron core 7, the I-shaped iron core 3 and the U-shaped iron core 7 are prevented from being damaged due to collision, the second fixing plate 5 cannot cause movement interference to the rotation of the second spring 14 due to the rotary connection, and the second fixing plates 5 are fixedly connected above the two outer sides of the U-shaped iron core 7;

spout 10 has been seted up at the front and the back of I shape iron core 3, and the internally connected with slider 12 of spout 10, the externally mounted of slider 12 has square frame 2, constitute sliding structure through slider 12 between square frame 2 and the I shape iron core 3, and the outside of slider 12 is laminated with the inner wall of spout 10 mutually, square frame 2 can remove about slider 12 in I shape iron core 3's outside, laminate mutually and ensure slider 12 and square frame 2 and remove the stability of in-process, both sides all are connected with first spring 11 about square frame 2's the outside, and arc 1 has been installed to first spring 11's end, constitute the elasticity structure through first spring 11 between arc 1 and the square frame 2, and the central axis of arc 1 coincides mutually with the central axis of square frame 2, link together arc 1 and square frame 2 through first spring 11, first spring 11 can play the effect of buffering to arc 1.

The working principle is as follows: go into draw-in groove 8 with fixture block 9 inside can be in the same place I shape iron core 3 and U-shaped iron core 7 link together, adjusting screw 6 rotates, adjusting screw 6 and the cooperation of second fixed plate 5 and then make adjusting screw 6 can reciprocate, and then can drive second spring 14 and reciprocate, can adjust the pretightning force of second spring 14, second spring 14 can play the effect of buffering to I shape iron core 3 and U-shaped iron core 7 this moment, avoid taking place to strike and be out of shape impaired between I shape iron core 3 and the U-shaped iron core 7, link together arc 1 and square frame 2 through first spring 11, first spring 11 can play the effect of buffering to arc 1, avoid the wire of wraping around in I shape iron core 3 outside and the external contact of I shape iron core 3 or U-shaped iron core 7 to cause the damage, square frame 2 can move about I shape iron core 3's outside through slider 12, and then can adjust the distance between each square frame 2.

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 utility model provides a pincer-type centre gripping mutual-inductor iron core which characterized in that includes:

u-shaped iron core (7), draw-in groove (8) have been seted up at the top of U-shaped iron core (7), and the internal connection of draw-in groove (8) has fixture block (9), I-shaped iron core (3) are installed at the top of fixture block (9), and the outside both sides welding of I-shaped iron core (3) has first fixed plate (4), the bottom of first fixed plate (4) is embedded to have bearing (13), the internal connection of bearing (13) has second spring (14), and the bottom of second spring (14) is connected with adjusting screw (6), outside both sides top fixedly connected with second fixed plate (5) of U-shaped iron core (7).

2. The iron core of claim 1, wherein: spout (10) have been seted up at the front and the back of I shape iron core (3), and the internal connection of spout (10) has slider (12), the externally mounted of slider (12) has square frame (2), both sides all are connected with first spring (11) about the outside of square frame (2), and arc (1) have been installed to the end of first spring (11).

3. The iron core of claim 1, wherein: the I-shaped iron core (3) and the U-shaped iron core (7) are in sliding connection through the clamping blocks (9) and the clamping grooves (8), and the outer walls of the clamping blocks (9) are attached to the inner portions of the clamping grooves (8).

4. The iron core of claim 1, wherein: the second spring (14) is rotatably connected with the first fixing plate (4) through a bearing (13), the bearing (13) and the adjusting screw rod (6) form an elastic structure through the second spring (14), and the adjusting screw rod (6) is in threaded connection with the second fixing plate (5).

5. The iron core of claim 2, wherein: an elastic structure is formed between the arc-shaped plate (1) and the square frame (2) through a first spring (11), and the central axis of the arc-shaped plate (1) is coincided with the central axis of the square frame (2).

6. The iron core of claim 2, wherein: the square frame (2) and the I-shaped iron core (3) form a sliding structure through a sliding block (12), and the outer portion of the sliding block (12) is attached to the inner wall of the sliding groove (10).