CN110808192A

CN110808192A - Contact machine based on three-layer bidirectional contact

Info

Publication number: CN110808192A
Application number: CN201911121287.2A
Authority: CN
Inventors: 王兴生
Original assignee: Anhui Zhong Jiao Intelligent Technology Co Ltd
Current assignee: Anhui Zhong Jiao Intelligent Technology Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-02-18

Abstract

The invention discloses a contact machine based on three layers and two directions, and relates to the technical field of electrical equipment. The invention comprises a shell, wherein a first conductive column and a second conductive column are arranged in the shell, the first conductive column is connected with three layers of static contacts, the second conductive column is connected with movable contacts which are in one-to-one correspondence with the static contacts, the shell is movably connected with a pressure rod, the pressure rod is in penetrating connection with the movable contacts, the pressure rod is axially connected with annular bosses which are in one-to-one correspondence with the movable contacts, one end of the pressure rod, which is exposed out of the shell, is connected with a pressure plate, the bottom of the pressure rod is connected with an armature, the bottom of the shell is connected with two limiting plates which are arranged in parallel, a permanent magnet is connected between the two limiting plates in. According to the invention, the permanent magnet is connected to the bottom of the machine shell in a sliding manner, the permanent magnet is connected with the push rod, and the power-on and power-off of the contact machine can be realized by pushing and pulling the push rod.

Description

Contact machine based on three-layer bidirectional contact

Technical Field

The invention belongs to the technical field of electrical equipment, and particularly relates to a three-layer bidirectional contact machine.

Background

When the automobile engine is ignited, a battery is required to provide high-power voltage for the ignition coil instantly, and the ignition coil enables the spark plug to generate electric sparks with enough energy between the two electrodes, so that mixed gas can be combusted, and the automobile engine starts to work normally. At present, a relay used between an automobile engine and a storage battery on the market has two main defects, after an electromagnetic coil is electrified, the electromagnetic coil needs to be always electrified to keep a contact normally closed, so that the relay is closed, a circuit is conducted, and energy loss is large.

Disclosure of Invention

The invention aims to provide a three-layer bidirectional contact machine, which solves the problem that the existing electromagnetic coil needs to be electrified all the time by arranging a permanent magnet at the bottom of a shell.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a three-layer bidirectional contact machine, which comprises a shell, wherein a first conductive column and a second conductive column are arranged in the shell, three layers of static contacts are connected to the first conductive column, movable contacts which correspond to the static contacts one by one are connected to the second conductive column, the shell is movably connected with a pressure lever, the pressure lever penetrates through the movable contacts, annular bosses which correspond to the movable contacts one by one are axially connected to the pressure lever, one end of the pressure lever, which is exposed out of the shell, is connected with a pressure plate, and the bottom of the pressure lever is connected with an armature;

the bottom of the shell is connected with two limiting plates which are arranged in parallel, a baffle is connected between the two limiting plates, a permanent magnet is connected between the two limiting plates in a sliding manner, a push rod is connected to the permanent magnet, and the push rod is movably connected with the shell; and a return spring is connected to the position of the pressure lever between the pressure plate and the shell.

Furthermore, the static contact piece and the movable contact piece are both conductive material plates, and silver layers are coated on the static contact piece and the movable contact piece, so that the electrical property of the conductive contact piece is improved.

Furthermore, the pressure lever and the pressure plate are both insulators.

Further, the push rod is an insulator, and one end of the push rod extends to the outside of the shell.

The invention has the following beneficial effects:

1. according to the invention, the permanent magnet is connected to the bottom of the shell in a sliding manner, the permanent magnet is connected with the push rod, the armature is connected to the bottom of the pressure rod, and the reset spring is connected to the position of the pressure rod between the pressure plate and the shell, so that the movable contact piece and the static contact piece can be contacted and separated only by pushing and pulling the push rod.

2. The invention increases the current contact area by contacting the static contact piece and the movable contact piece, avoids burning out the contact by instant heavy current, and increases the conductivity by coating the silver layer on the static contact piece and the movable contact piece.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

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

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

in the drawings, the components represented by the respective reference numerals are listed below:

1-shell, 2-first conductive column, 3-second conductive column, 4-static contact, 5-movable contact, 6-pressure rod, 7-pressure piece, 8-annular bulge, 9-armature, 10-permanent magnet, 11-reset spring, 12-limit plate, 13-push rod and 14-baffle.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-3, the invention is a contact machine based on three layers and two directions, which includes a housing 1, a first conductive column 2 and a second conductive column 3 are arranged inside the housing 1, the first conductive column 2 is connected with a three-layer static contact 3, the second conductive column 3 is connected with a movable contact 5 corresponding to the static contact one by one, the housing 1 is movably connected with a press rod 4, the press rod 4 is connected with the movable contact 5 in a penetrating manner, the press rod 4 is axially connected with an annular boss 8 corresponding to the movable contact 5 one by one, one end of the press rod 4 exposed out of the housing 1 is connected with a press plate 5, and the bottom of the press rod 4 is connected with an armature 8; the bottom of the shell 1 is connected with two limiting plates 12 which are arranged in parallel, a baffle 14 is connected between the two limiting plates 12, a permanent magnet 10 is connected between the two limiting plates 12 in a sliding manner, a push rod 13 is connected to the permanent magnet 10, and the push rod 13 is movably connected with the shell 1; the position of the pressure lever 4 between the pressure plate 5 and the shell 1 is connected with a return spring 11, and the return spring 11 is in a compressed state when the movable contact 5 is contacted with the static contact 3.

The static contact piece 3 and the movable contact piece 5 are both conductive material plates, and silver layers are coated on the static contact piece 3 and the movable contact piece 5 to increase the conductivity of the contact pieces.

The pressure lever 4 and the pressure plate 5 are insulators.

Wherein, the push rod 13 is an insulator, and one end of the push rod 13 extends to the outside of the casing 1.

One specific application of this embodiment is: when the electromagnetic switch is used, the push rod 13 is pushed to enable the permanent magnet 10 to move to the position of the baffle plate 14, the permanent magnet 10 attracts the armature 9, the attraction force of the permanent magnet 10 is larger than the elastic force of the reset spring 11, the pressure rod 6 drives the annular protrusion 8 to press down, the movable contact piece 5 is in contact with the static contact piece 4, the switch is powered on, when power failure is needed, the push rod 13 is pulled outwards, the permanent magnet 10 is separated from the position of the baffle plate 14, the elastic force of the reset spring 11 is larger than the attraction force of the permanent magnet 10, the pressure rod 6 rises, and the movable contact piece 5.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a contact machine based on three-layer is two-way which characterized in that: the conductive cable comprises a shell (1), wherein a first conductive column (2) and a second conductive column (3) are arranged inside the shell (1), three layers of static contacts (3) are connected to the first conductive column (2), movable contacts (5) which are in one-to-one correspondence with the static contacts are connected to the second conductive column (3), the shell (1) is movably connected with a compression bar (4), the compression bar (4) is connected with the movable contacts (5) in a penetrating manner, annular bosses (8) which are in one-to-one correspondence with the movable contacts (5) are axially connected to the compression bar (4), one end of the compression bar (4) exposed out of the shell (1) is connected with a compression plate (5), and the bottom of the compression bar (4) is connected with an armature (8;

the bottom of the shell (1) is connected with two limiting plates (12) which are arranged in parallel, a baffle (14) is connected between the two limiting plates (12), a permanent magnet (10) is connected between the two limiting plates (12) in a sliding manner, a push rod (13) is connected to the permanent magnet (10), and the push rod (13) is movably connected with the shell (1);

the position of the pressure lever (4) between the pressure plate (5) and the shell (1) is connected with a return spring (11).

2. The contact machine based on three-layer two-way as claimed in claim 1, characterized in that the static contact piece (3) and the movable contact piece (5) are made of conductive material plates, and silver layers are coated on the static contact piece (3) and the movable contact piece (5).

3. The contact machine based on three layers and two directions as claimed in claim 1, wherein the pressure bar (4) and the pressure plate (5) are insulators.

4. The contact machine based on three-layer bidirectional is characterized in that the push rod (13) is insulated, and one end of the push rod (13) extends to the outside of the machine shell (1).