CN218123156U

CN218123156U - Engaging and closing type mutual inductor iron core

Info

Publication number: CN218123156U
Application number: CN202221839568.9U
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: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-23
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses a meshing open-close type mutual inductor core relates to mutual inductor core technical field, including mutual inductor core body, mutual inductor core body's both ends are provided with the meshing flank of tooth, and mutual inductor core body's surface is provided with first arc, mutual inductor core body's inner wall connection has the second arc, and the mounting panel is all installed at the both ends of second arc and first arc, the inboard of mounting panel is connected with the telescope tube, and the inside of telescope tube runs through there is the screw rod. The utility model discloses in, be provided with first arc, second arc, screw rod and flexible cover, through the nut of twisting loose screw rod tip for the mounting panel that first arc and second arc are connected under the elasticity of flexible cover spring, struts from top to bottom, conveniently takes out the semi-ring meshing iron core of pegging graft in the frame is constituteed to first arc and second arc fast, improves the dismantlement work efficiency of iron core.

Description

Engaging and closing type mutual inductor iron core

Technical Field

The utility model relates to a mutual-inductor iron core technical field especially relates to a meshing closes open-close type mutual-inductor iron core.

Background

The transformer is also called instrument transformer, which is a general name of current transformer and voltage transformer, can change high voltage into low voltage, and large current into small current, and is used for measuring or protecting system, and its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion, so as to implement standardization and miniaturization of measuring instrument, protecting equipment and automatic control equipment.

The existing rodent-close type mutual inductor iron core needs to use a connecting piece in the using process, two groups of semi-annular iron cores are connected, and the iron core is installed and detached through the fixing of the connecting piece, so that the working process is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current rodent and closing open-close type mutual inductor iron core, in the use, need use the connecting piece, connect two sets of semi-annular iron cores, and through the iron core installation that the connecting piece is fixed and dismantle the loaded down with trivial details shortcoming of working process, and the rodent of proposition closes open-close type mutual inductor iron core.

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

a rodent-break transformer core comprising:

the transformer iron core comprises a transformer iron core body, wherein meshing tooth surfaces are arranged at two ends of the transformer iron core body, a first arc-shaped plate is arranged on the surface of the transformer iron core body, the inner wall of the transformer iron core body is connected with a second arc-shaped plate, mounting plates are arranged at two ends of the second arc-shaped plate and two ends of the first arc-shaped plate, the inner side of each mounting plate is connected with a telescopic sleeve, and a screw rod penetrates through the inner part of each telescopic sleeve;

the clamping device comprises a first clamping plate, wherein the first clamping plate is arranged in the middle of two ends of a first arc-shaped plate, first arc-shaped clamping grooves are formed in the upper side and the lower side of the first clamping plate, second arc-shaped clamping grooves are formed in the middle of two ends of a second arc-shaped plate, second clamping plates are arranged at the upper end and the lower end of the outer portion of each second arc-shaped clamping groove, and convex strips are arranged on the surface of the end portion of each second clamping plate.

Preferably, the inner wall of the first arc-shaped plate is attached to the outer wall of the transformer core body, and the first arc-shaped plate is fixedly connected with the mounting plate.

Preferably, the first clamping plate and the second arc-shaped clamping groove are located on the same horizontal line, and a blocking strip is arranged at an opening of the second arc-shaped clamping groove.

Preferably, the second arc-shaped plate and the second arc-shaped plate form a detachable structure through a screw, and a nut is arranged at the bottom of the screw.

Preferably, the inner diameter of the telescopic sleeve is larger than the diameter of the inner through hole of the mounting plate, and a spring is arranged inside the telescopic sleeve.

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, be provided with first arc, second arc, screw rod and flexible cover, through the nut of twisting loose screw rod tip for the mounting panel that first arc and second arc are connected under the elasticity of flexible cover spring, struts from top to bottom, conveniently takes out the semi-ring meshing iron core of pegging graft in the frame is constituteed to first arc and second arc fast, improves the dismantlement work efficiency of iron core.

2. The utility model discloses in, be provided with the effect of first arc, second arc, screw rod and flexible cover, be convenient for when providing connection work for two sets of meshing open-close type mutual-inductor iron core, provide safeguard function for mutual-inductor iron core's connection region, improve mutual-inductor iron core's life.

Drawings

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

fig. 2 is a schematic view of a connection structure of a first arc plate and a second arc plate in the present invention;

fig. 3 is a schematic view of a side connecting structure of the second arc plate and the second clamping plate of the present invention.

Illustration of the drawings:

1. a transformer core body; 2. tooth flank meshing; 3. a first arc-shaped plate; 4. mounting a plate; 5. a telescopic sleeve; 6. a screw; 7. a first card; 8. a first arc-shaped clamping groove; 9. a second arc-shaped plate; 10. a second clamping plate; 11. a second arc-shaped clamping groove; 12. and (4) raised strips.

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 mesh opening and closing type transformer core comprises a transformer core body 1, wherein meshing tooth surfaces 2 are arranged at two ends of the transformer core body 1, a first arc-shaped plate 3 is arranged on the surface of the transformer core body 1, the inner wall of the first arc-shaped plate 3 is attached to the outer wall of the transformer core body 1, the first arc-shaped plate 3 is fixedly connected with a mounting plate 4, the first arc-shaped plate 3 is arranged to provide protection work for the outer wall of the transformer core body 1, the inner wall of the transformer core body 1 is connected with a second arc-shaped plate 9, the mounting plates 4 are arranged at two ends of the second arc-shaped plate 9 and the first arc-shaped plate 3, a telescopic sleeve 5 is connected to the inner side of the mounting plate 4, a screw rod 6 penetrates through the telescopic sleeve 5, the inner diameter of the telescopic sleeve 5 is larger than the inner through hole diameter of the mounting plate 4, a spring is arranged inside the telescopic sleeve 5, when a frame composed of the first arc-shaped plate 3 and the second arc-shaped plate 9 is dismounted, the telescopic sleeve 5 is loosened by unscrewing the bolt, the telescopic sleeve 5 is extended under the elasticity of the spring, the distance between the two groups of mounting plates 4 is enlarged, the first arc-shaped plate 3 and the second arc-shaped plate 9 can be conveniently and the transformer core can be quickly dismounted between the transformer core, and the transformer core 3 and the transformer core can be quickly dismounted between the two groups of the transformer core;

first cardboard 7, first cardboard 7 is installed at the both ends middle part of first arc 3, and first arc draw-in groove 8 has all been seted up to the upper and lower both sides of first cardboard 7, first cardboard 7 is in on the same water flat line with second arc draw-in groove 11, and the opening part of second arc draw-in groove 11 is provided with the blend stop, make when first cardboard 7 inserts in second arc draw-in groove 11, the blend stop through the opening part of second arc draw-in groove 11, prescribe a limit to work first cardboard 7, second arc draw-in groove 11 has all been seted up at the both ends middle part of second arc 9, and both ends all are provided with second cardboard 10 about the outside of second arc draw-in groove 11, second arc 9 passes through screw rod 6 and second arc 9 constitutes detachable construction, and the bottom of screw rod 6 is provided with the nut, be convenient for make up the frame that second arc 9 and first arc 3 make up and form, the iron core cover is in the tooth face 2 region, the nut of iron core bottom of operating then 6, make the inner wall and the second arc 9 and the iron core hug closely, improve the steadiness between frame and the iron core, the steadiness of second arc 12 tip of cardboard 10.

The working principle is as follows: during the use, at first with first arc 3 and second arc 9 through the operator, through mounting panel 4, telescope tube 5 and screw rod 6, constitute the frame, then, cup joint the frame in 2 departments of the tooth face of semi-annular mutual-inductor iron core body 1, insert the second arc draw-in groove 11 of second arc 9 with first cardboard 7 of first arc 3 through pressing, and, the sand grip 12 of the first cardboard 7 tip carries out the position to prescribe a limit to work through the blend stop that second arc draw-in groove 11 inner wall set up, then, repeat the above-mentioned operation, insert second cardboard 10 in first arc draw-in groove 8, make two sets of frame attach, and then make the tooth face 2 of two sets of semi-ring cores accomplish the connection work, simultaneously, through the setting of telescope tube 5, can provide safeguard function for the mutual-inductor iron core, finally, when needing to dismantle the mutual-inductor iron core, through the operating nut, make two sets of mounting panels 4 on the screw rod 6 under the spring effect that the telescope tube 5 was established inside, drive the separation of distance between first arc 3 and the second arc 9, accomplish split work fast.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rodent switching transformer iron core which characterized in that includes:

the transformer iron core comprises a transformer iron core body (1), wherein tooth surfaces (2) are arranged at two ends of the transformer iron core body (1), a first arc-shaped plate (3) is arranged on the surface of the transformer iron core body (1), the inner wall of the transformer iron core body (1) is connected with a second arc-shaped plate (9), mounting plates (4) are mounted at two ends of the second arc-shaped plate (9) and the first arc-shaped plate (3), a telescopic sleeve (5) is connected to the inner side of each mounting plate (4), and a screw rod (6) penetrates through the inside of each telescopic sleeve (5);

the clamping device comprises a first clamping plate (7), wherein the first clamping plate (7) is arranged in the middle of the two ends of a first arc-shaped plate (3), first arc-shaped clamping grooves (8) are formed in the upper side and the lower side of the first clamping plate (7), second arc-shaped clamping grooves (11) are formed in the middle of the two ends of a second arc-shaped plate (9), second clamping plates (10) are arranged at the upper end and the lower end of the outer portion of each second arc-shaped clamping groove (11), and raised lines (12) are arranged on the end surface of each second clamping plate (10).

2. The rodent switch transformer core of claim 1, wherein: the inner wall of the first arc-shaped plate (3) is attached to the outer wall of the transformer iron core body (1), and the first arc-shaped plate (3) is fixedly connected with the mounting plate (4).

3. The rodent switch transformer core of claim 1, wherein: the first clamping plate (7) and the second arc-shaped clamping groove (11) are located on the same horizontal line, and a blocking strip is arranged at an opening of the second arc-shaped clamping groove (11).

4. The rodent switch transformer core of claim 1, wherein: the second arc-shaped plate (9) and the second arc-shaped plate (9) form a detachable structure through the screw (6), and a nut is arranged at the bottom of the screw (6).

5. The rodent switch transformer core of claim 1, wherein: the inner diameter of the telescopic sleeve (5) is larger than the diameter of the inner through hole of the mounting plate (4), and a spring is arranged inside the telescopic sleeve (5).