CN211529717U

CN211529717U - Bidirectional holding electromagnet

Info

Publication number: CN211529717U
Application number: CN201922437110.5U
Authority: CN
Inventors: 黄健; 陈继锦; 姜少均; 钟富强
Original assignee: Zero Eight One Electronic Group Sichuan Liyuan Electronic Co ltd
Current assignee: Zero Eight One Electronic Group Sichuan Liyuan Electronic Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-18
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a bidirectional holding electromagnet, which comprises a shell, wherein one end in the length direction is closed, the other end is open, and a through hole is arranged at the central position of the closed end of the shell; the base is arranged at one end of the opening of the shell, and the shell is connected with the base to form a closed cavity; the framework is arranged in the closed cavity; the framework comprises a columnar sliding sleeve and baffles positioned on the outer sides of two ends of the sliding sleeve, a magnetic conduction plate is arranged on the outer wall of the sliding sleeve, and the magnetic conduction plate divides the area between the two baffles on the outer side of the sliding sleeve into two uniform annular winding areas; the armature component penetrates through the sliding sleeve and comprises an armature rod, a left armature, a magnet and a right armature, one end of the armature rod extends into the shell along the through hole, and the left armature, the magnet and the right armature are sequentially arranged at the end part of the armature rod; and the two sets of coil assemblies are respectively arranged in the two annular winding areas and are connected in parallel. The utility model provides a two-way holding electromagnet, simple structure, the processing cost is low, and job stabilization nature is good.

Description

Bidirectional holding electromagnet

Technical Field

The utility model relates to an electro-magnet especially relates to a two-way holding electromagnet.

Background

The bidirectional electromagnet is a component which is often used in the existing electromechanical products and is mainly used for controlling a switch. The existing bidirectional electromagnet mainly comprises a coil, a guide sleeve and an iron core, wherein the iron core moves back and forth after the coil is electrified, so that the effect of controlling a switch is achieved. The existing bidirectional electromagnet has a complex structure and high manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the problem that prior art exists, provide a two-way holding electro-magnet, simple structure, the processing cost is low, and job stabilization nature is good.

The utility model adopts the technical proposal that:

a bidirectional holding electromagnet comprising

The device comprises a shell, a handle and a handle, wherein one end in the length direction is closed, the other end is open, and a through hole is formed in the center of the closed end of the shell;

the base is arranged at one open end of the shell, and the shell is connected with the base to form a closed cavity;

the framework is arranged in the closed cavity; the framework comprises a columnar sliding sleeve and baffles positioned at the outer sides of two ends of the sliding sleeve, a magnetic conduction plate is arranged on the outer wall of the sliding sleeve and positioned in the central position between the two baffles, and the area between the two baffles outside the sliding sleeve is uniformly divided into two uniform annular winding areas;

the armature component penetrates through the sliding sleeve and can move along the sliding sleeve, the armature component comprises an armature rod, a left armature, a magnet and a right armature, one end of the armature rod extends into the shell along the through hole, and the left armature, the magnet and the right armature are sequentially installed at the end part of the armature rod;

the two sets of coil assemblies are respectively arranged in the two annular winding areas and are connected in parallel, and the directions of generated magnetic fields are opposite;

and one end of the terminal penetrates through the base to be connected with the coil assembly, and is used for supplying power and generating a magnetic field.

Further, the contact surface of the coil assembly and the shell is coated with silicon rubber.

Furthermore, a first positioning boss in a column shape is formed in the center of the inner side of the closed end of the shell, the diameter of the first positioning boss is consistent with the inner diameter of the sliding sleeve, and the through hole penetrates through the first positioning boss; the base is towards shell one side central point department shaping has the second location boss of cylindricality, the second location boss with first location boss axial direction center coincidence, the diameter is unanimous, and insert respectively in the sliding sleeve both ends.

Furthermore, a step is arranged on one side edge of the base facing the shell, and the edge of the open end of the shell can be inserted into the step in a matching mode.

Further, when the armature assembly moves in the sliding sleeve, the left armature or the right armature overlaps with the surface where the magnetic conductive plate is located.

Further, the coil assembly comprises a coil, a diode and a resistor, wherein the diode and the resistor are connected in parallel and then connected in series with the coil.

The utility model has the advantages that:

the utility model discloses a solve the problem among the prior art, designed a two-way holding electromagnet, it includes shell, base, skeleton, armature subassembly, coil pack and terminal. The electromagnet is energized and the two coil assemblies are operating simultaneously, but the magnetic fields generated are opposite. The magnetic field generated by one coil assembly generates attraction force for the magnets on the armature rod, and the magnetic field generated by the other coil assembly reversely offsets the magnetic field generated by the magnets on the armature rod, so that the armature rod slides in the framework. Changing the direction of the current causes the armature rod to return to the initial position. The bidirectional holding electromagnet in the embodiment has the advantages of simple structure, low processing cost and good working stability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a first schematic structural diagram of a bidirectional holding electromagnet according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a bidirectional holding electromagnet according to an embodiment of the present invention.

Fig. 3 is a third schematic structural view of the bidirectional holding electromagnet according to the embodiment of the present invention.

Fig. 4 is a schematic sectional view along the direction of a-a in fig. 3.

Fig. 5 is a first schematic view of an installation structure of the bobbin, the coil assembly and the armature rod according to the embodiment of the present invention.

Fig. 6 is a schematic view of a mounting structure of the bobbin, the coil assembly and the armature rod according to the embodiment of the present invention.

Fig. 7 is a circuit diagram of the coil block.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and 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.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention.

Embodiments of the present invention/utility model will be described in detail below with reference to the drawings.

In one embodiment of the present invention, the structure of the bidirectional holding electromagnet is shown in fig. 1 to 7. The bidirectional holding electromagnet comprises a shell 1, a base 2, a framework 3, an armature component 4, a coil component 5 and a terminal 6. The shell 1 and the base 2 are connected to form a closed cavity, and the framework 3 is located in the closed cavity. The coil block 5 is mounted on the bobbin 3, and the terminals 6 are located outside the base 2 and connected to the coil block 5. The armature assembly 4 is located within the armature 3 and is slidable along the armature 3.

Specifically, the housing 1 is in the shape of a hollow rectangular parallelepiped, and one end in the length direction is open while the other end is closed. A first cylindrical positioning boss 11 is formed at the central position of the inner side of the closed end of the shell 1, a through hole 12 is formed at the central position of the outer side of the closed end of the shell, and the through hole 12 penetrates through the first positioning boss 11.

The base 2 is rectangular plate-shaped and is positioned outside the open end of the shell 1 and connected with the open end to form a closed cavity. Step 21 is seted up towards 1 side edge of shell to base 2, and step 21 department is inserted in the cooperation of 1 open end edge of shell, the quick location installation of base 2 of can being convenient for. A second positioning boss 22 having a cylindrical shape is formed at a central position of the side of the base 2 facing the housing 1. The second positioning boss 22 coincides with the axial center of the first positioning boss 11, and has the same diameter.

And the framework 3 is arranged in a closed cavity formed by the shell 1 and the base 2. The framework 3 comprises an integrally formed sliding sleeve 31 and baffles 32 outside two ends of the sliding sleeve 31. The inner diameter of the sliding sleeve 31 is consistent with the diameter of the first positioning boss 11, the second positioning boss 22 and the first positioning boss 11 are respectively inserted into two ends of the sliding sleeve 31, and the outer edge of the baffle 32 contacts with the inner wall of the shell 1, so that the installation position of the framework 3 is fixed and cannot slide. The outer wall of the sliding sleeve 31 is provided with a magnetic conduction plate 33, the magnetic conduction plate 33 is positioned at the central position between the two baffle plates 32, and the outer edge of the magnetic conduction plate is contacted with the inner wall of the shell 1. The magnetic conduction plate 33 is arranged to divide the area between the two baffles 32 outside the sliding sleeve 31 into two uniform annular winding areas 34.

The armature assembly 4 is disposed in the sliding sleeve 31 and can move along the sliding sleeve 31. The armature assembly 4 includes an armature rod 41, a left armature 42, a magnet 43, and a right armature 44. One end of the armature rod 41 passes through the closed end of the shell 1 and the first positioning boss 11 along the through hole 12 and extends into the shell 1, and a left armature 42, a magnet 43 and a right armature 44 are sequentially arranged at the end. The outer diameters of the left armature 42, the magnet 43 and the right armature 44 are consistent with the inner diameter of the sliding sleeve 31. The thicknesses of the left armature 42, the magnet 43 and the right armature 44 are consistent with or slightly larger than the thickness of the annular winding area 34 along the length direction of the armature rod 41, and when the left armature 42, the magnet 43 and the right armature 44 move in the sliding sleeve 31, the left armature 42 or the right armature 44 is overlapped with the surface of the magnetic conducting plate 33, so that the magnetic conducting plate 33 and the magnet 43 can be better acted.

The coil assemblies 5, two sets, are respectively installed in the two annular winding areas 34. The two sets of coil assemblies 5 are connected in parallel and generate magnetic fields with opposite directions. Each coil assembly 5 includes a coil, a diode and a resistor. The diode and the resistor are connected in parallel and then connected in series with the coil. The contact surface of the coil assembly 5 and the housing 1 is coated with silicone rubber.

And one end of the terminal 6 penetrates through the base 2 to be connected with the coil assembly 5, and is used for supplying power and generating a magnetic field.

The utility model discloses in, the theory of operation of double-line holding electro-magnet is:

the electromagnet is energized and both coil assemblies 5 operate simultaneously, but the magnetic fields generated are opposite. The magnetic field generated by one coil assembly 5 generates an attractive force on the magnets 43 on the armature rod 41, and the magnetic field generated by the other coil assembly 5 inversely cancels the magnetic field generated by the magnets 43 on the armature rod 41, thereby allowing the armature rod 41 to slide within the armature 3. Changing the direction of the current causes the armature rod 41 to return to the original position. The bidirectional holding electromagnet in the embodiment has the advantages of simple structure, low processing cost and good working stability.

Claims

1. Two-way holding electromagnet, its characterized in that: comprises that

2. A bidirectional holding electromagnet as set forth in claim 1, wherein: and the contact surface of the coil assembly and the shell is coated with silicon rubber.

3. A bidirectional holding electromagnet as recited in claim 1 or 2, characterized in that: a cylindrical first positioning boss is formed in the center of the inner side of the closed end of the shell, the diameter of the first positioning boss is consistent with the inner diameter of the sliding sleeve, and the through hole penetrates through the first positioning boss; the base is towards shell one side central point department shaping has the second location boss of cylindricality, the second location boss with first location boss axial direction center coincidence, the diameter is unanimous, and insert respectively in the sliding sleeve both ends.

4. A bidirectional holding electromagnet as recited in claim 1 or 2, characterized in that: the base is provided with a step towards one side edge of the shell, and the edge of the open end of the shell can be inserted into the step in a matching way.

5. A bidirectional holding electromagnet as set forth in claim 1 or 2, characterized in that: when the armature component moves in the sliding sleeve, the left armature or the right armature is overlapped with the surface where the magnetic conductive plate is located.

6. A bidirectional holding electromagnet as recited in claim 1 or 2, characterized in that: the coil assembly comprises a coil, a diode and a resistor, wherein the diode and the resistor are connected in parallel and then connected with the coil in series.