CN216597185U

CN216597185U - Novel EI type electromagnet

Info

Publication number: CN216597185U
Application number: CN202122948079.9U
Authority: CN
Inventors: 黄耀兵; 张超国; 刘兴
Original assignee: Suzhou Youtech Electromagnetic Co ltd
Current assignee: Suzhou Youtech Electromagnetic Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-24
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a novel EI-shaped electromagnet which comprises a magnetic yoke and an auxiliary mechanism, wherein the magnetic yoke is in a U-shaped arrangement, an iron core is fixedly connected in an inner cavity of the magnetic yoke, an excitation coil is sleeved on the outer wall of the iron core, coil protection stop blocks are symmetrically and fixedly connected to the outer wall of the iron core, the two coil protection stop blocks are both arranged above the excitation coil, the auxiliary mechanism comprises a right clamping block, the right clamping block is arranged on the front side of the magnetic yoke, a left clamping block is arranged on the back side of the magnetic yoke, and the right clamping block and the left clamping block are both in a U-shaped arrangement. The right clamping block and the left clamping block are arranged, and the right clamping block and the left clamping block do not participate in the magnetization process of the coil and only play a role of magnetic conduction, so that the sectional area of the magnetic yoke can be increased through the right clamping block and the left clamping block, and the force output capacity of the E-shaped electromagnet is enhanced.

Description

Novel EI type electromagnet

Technical Field

The utility model relates to the technical field of electromagnets, in particular to a novel EI-type electromagnet.

Background

An electromagnet is a device that is energized to produce an electromagnet. The core is wound with an electrically conductive winding adapted to its power, and the coil, which is energized with electric current, is magnetic like a magnet. The electromagnets may be classified into E-type electromagnets and I-type electromagnets according to their shapes.

The existing E-shaped electromagnet generally selects silicon steel sheets to be used as an iron core and a magnetic yoke in order to reduce iron loss, and meanwhile, because the E-shaped electromagnet is manufactured in a lamination mode, the manufacturing process is easier, but because of the factor of the appearance of the E-shaped electromagnet, the E-shaped electromagnet has the defect that the area which cannot be used by the iron core is larger, so that the coil magnetization capability of the E-shaped electromagnet is weaker under the same electrifying condition, and the output capability of the E-shaped electromagnet is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a novel EI-type electromagnet, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel EI-type electromagnet comprises a magnetic yoke and an auxiliary mechanism, wherein the magnetic yoke is arranged in a U shape, an inner cavity of the magnetic yoke is fixedly connected with an iron core, and the outer wall of the iron core is sleeved with an excitation coil;

the auxiliary mechanism comprises a right clamping block, the right clamping block is arranged on the front face of the magnetic yoke, a left clamping block is arranged on the back face of the magnetic yoke, and the right clamping block and the left clamping block are both arranged in a U shape.

Preferably, the front surface of the right clamping block is U-shaped and is provided with a plurality of first T-shaped through holes, the front surface of the left clamping block is U-shaped and is provided with a plurality of first threaded holes, the inner cavities of the first T-shaped through holes are provided with first positioning bolts, and one ends of the first positioning bolts penetrate through the front surface of the magnetic yoke and are in threaded connection with the inner cavities of the first threaded holes corresponding to the positions.

Preferably, the outer wall of iron core symmetry fixedly connected with coil protection dog, two coil protection dog all sets up in excitation coil's top.

Preferably, the front of one of the coil protection stop blocks is symmetrically provided with second T-shaped through holes, the front of the other one of the coil protection stop blocks is symmetrically provided with second threaded holes, the inner cavities of the two second T-shaped through holes are provided with second positioning bolts, and one ends of the two second positioning bolts penetrate through the front of the iron core and are in threaded connection with the inner cavities of the second threaded holes corresponding to the positions.

Preferably, the right clamping block is made of a soft material with low remanence, and the left clamping block is made of a soft material with low remanence.

The utility model has the technical effects and advantages that:

(1) according to the utility model, the right clamping block and the left clamping block are arranged, and the right clamping block and the left clamping block do not participate in the magnetization process of the coil and only play a role of magnetic conduction, so that the sectional area of the magnetic yoke can be increased through the right clamping block and the left clamping block, and the force output capability of the E-shaped electromagnet is enhanced;

(2) the utility model utilizes the arrangement of the two coil protection stop blocks, effectively prevents the coil from moving up and down through the coil protection stop blocks, and simultaneously reduces heat accumulation because the coil protection stop blocks are made of copper, ensures the durability of the electromagnet and greatly increases the sustainable electrifying time of the electromagnet.

Drawings

Fig. 1 is a schematic perspective view of an E-shaped electromagnet according to the present invention.

Fig. 2 is a schematic diagram of the front structure of the E-shaped electromagnet of the present invention.

Fig. 3 is a schematic side sectional view of an E-shaped electromagnet according to the present invention.

Fig. 4 is a schematic view of a sectional structure of a coil protection block on the top.

Fig. 5 is a schematic perspective view of a type I electromagnet according to the present invention.

FIG. 6 is a schematic view of a cross-sectional view of a type I electromagnet according to the present invention.

1-4 in the figure: 1. a magnetic yoke; 2. an iron core; 3. a field coil; 4. a right clamp block; 5. a left clamp block; 6. a first T-shaped through hole; 7. a first threaded hole; 8. a first positioning bolt; 9. a coil protection block; 10. a second T-shaped through hole; 11. a second threaded hole; 12. and a second positioning bolt.

5-6 in the figure: 13. an I-type electromagnet body; 14. a first clamping block; 15. a second clamping block; 16. a third T-shaped hole; 17. a third threaded hole; 18. and a third positioning bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

the novel EI-type electromagnet shown in the figures 1-4 comprises a magnet yoke 1 and an auxiliary mechanism, wherein the auxiliary mechanism is used for increasing the sectional area of the magnet yoke 1, the magnet yoke 1 is in a U-shaped arrangement, an iron core 2 is fixedly connected to an inner cavity of the magnet yoke 1, the iron core 2 and the excitation coil 3 form an E-type electromagnet, the excitation coil 3 is sleeved on the outer wall of the iron core 2, coil protection stop blocks 9 are symmetrically and fixedly connected to the outer wall of the iron core 2, the coil protection stop blocks 9 are made of copper, heat continuation is reduced while the coil is prevented from moving up and down, and therefore the durability of the electromagnet is ensured, and the two coil protection stop blocks 9 are arranged above the excitation coil 3;

the auxiliary mechanism comprises a right clamping block 4, the right clamping block 4 is arranged on the front surface of the magnetic yoke 1, a left clamping block 5 is arranged on the back surface of the magnetic yoke 1, the right clamping block 4 and the left clamping block 5 are used for increasing the sectional area of the magnetic yoke 1, the right clamping block 4 and the left clamping block 5 are both arranged in a U shape, the right clamping block 4 is made of a soft material with low remanence, and the left clamping block 5 is made of a soft material with low remanence;

the front face of the right clamping block 4 is U-shaped and provided with a plurality of first T-shaped through holes 6, the first T-shaped through holes 6, first threaded holes 7 and first positioning bolts 8 are used for positioning work of the right clamping block 4 and the left clamping block 5, the front face of the left clamping block 5 is U-shaped and provided with a plurality of first threaded holes 7, the inner cavities of the first T-shaped through holes 6 are provided with the first positioning bolts 8, and one ends of the first positioning bolts 8 penetrate through the front face of the magnet yoke 1 and are in threaded connection with the inner cavity of the first threaded hole 7 corresponding to the position;

a second T-shaped through hole 10 is symmetrically formed in the front face of one coil protection stop block 9, the second T-shaped through hole 10, a second threaded hole 11 and a second positioning bolt 12 are used for positioning work of the two coil protection stop blocks 9, the second threaded hole 11 is symmetrically formed in the front face of the other coil protection stop block 9, the second positioning bolt 12 is arranged in each of the inner cavities of the two second T-shaped through holes 10, and one end of each of the two second positioning bolts 12 penetrates through the front face of the iron core 2 and is in threaded connection with the inner cavity of the corresponding second threaded hole 11.

In the embodiment, the sectional area of the magnetic yoke 1 is increased by the right clamping block 4 and the left clamping block 5 which are made of soft magnetic materials with low remanence, the force output capacity of the electromagnet is increased by increasing the sectional area of the magnetic yoke 1, and the right clamping block 4 and the left clamping block 5 not only ensure the tightness of silicon steel sheets, but also protect the safety of the electromagnet.

Example two:

as shown in fig. 5-6, the novel EI-type electromagnet comprises an I-type electromagnet body 13, a first clamping block 14 is disposed on the back of the I-type electromagnet body 13, the first clamping block 14 and the second clamping block 15 are both made of soft magnetic material with low remanence, a second clamping block 15 is disposed on the front of the I-type electromagnet body 13, a plurality of third T-shaped holes 16 and third T-shaped holes 16 are disposed on the back of the first clamping block 14, third screw hole 17 and third positioning bolt 18 are used for the location work of first clamp splice 14 and second clamp splice 15, and a plurality of third screw holes 17 have been seted up on the front of second clamp splice 15, and a plurality of third T type holes 16 and a plurality of third screw hole 17 one-to-one, and the inner chamber in a plurality of third T type holes 16 all is equipped with third positioning bolt 18, and the one end of a plurality of third positioning bolts 18 all runs through the back of I type electro-magnet body 13 and with the inner chamber threaded connection of the corresponding third screw hole 17 in position.

In the embodiment, the sectional area of the I-shaped electromagnet body 13 is increased by the first clamping block 14 and the second clamping block 15 made of soft magnetic materials with low remanence, so that the attraction capability of the electromagnet is ensured under the condition of ensuring iron loss.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel EI-type electromagnet comprises a magnetic yoke (1) and an auxiliary mechanism, and is characterized in that the magnetic yoke (1) is U-shaped, an iron core (2) is fixedly connected to the inner cavity of the magnetic yoke (1), and an excitation coil (3) is sleeved on the outer wall of the iron core (2);

the auxiliary mechanism comprises a right clamping block (4), the right clamping block (4) is arranged on the front face of the magnetic yoke (1), a left clamping block (5) is arranged on the back face of the magnetic yoke (1), and the right clamping block (4) and the left clamping block (5) are both arranged in a U shape.

2. The EI-type electromagnet as claimed in claim 1, wherein the right clamping block (4) is U-shaped and provided with a plurality of first T-shaped through holes (6), the left clamping block (5) is U-shaped and provided with a plurality of first threaded holes (7), the inner cavities of the first T-shaped through holes (6) are provided with first positioning bolts (8), and one end of each first positioning bolt (8) penetrates through the front surface of the magnet yoke (1) and is in threaded connection with the inner cavity of the corresponding first threaded hole (7).

3. The EI-type electromagnet as claimed in claim 1, wherein coil protection blocks (9) are symmetrically and fixedly connected to the outer wall of said iron core (2), and both said coil protection blocks (9) are disposed above said excitation coil (3).

4. The EI-type electromagnet as claimed in claim 3, wherein a second T-shaped through hole (10) is symmetrically formed in the front face of one of the coil protection blocks (9), a second threaded hole (11) is symmetrically formed in the front face of the other one of the coil protection blocks (9), a second positioning bolt (12) is arranged in each of the inner cavities of the two second T-shaped through holes (10), and one end of each of the two second positioning bolts (12) penetrates through the front face of the iron core (2) and is in threaded connection with the inner cavity of the corresponding second threaded hole (11).

5. The EI-type electromagnet as recited in claim 1, wherein said right clamping block (4) is made of soft material with low remanence and said left clamping block (5) is made of soft material with low remanence.