CN212907548U

CN212907548U - Magnetic switch

Info

Publication number: CN212907548U
Application number: CN202022119338.2U
Authority: CN
Inventors: 杨强; 杨立阳; 郑和生; 王明龙
Original assignee: Zhejiang Jiatai Electrical Appliance Co Ltd
Current assignee: Zhejiang Jiatai Electrical Appliance Co Ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-04-06
Anticipated expiration: 2030-09-24

Abstract

The utility model provides a magnetic switch, including the insulating casing who takes the cavity, insulating casing's cavity internal fixation has assembly part, fixed mounting conductive static contact and conductive reed on the assembly part, the lower extreme of conductive static contact and conductive reed be the electricity link end of pegging graft outward respectively, the other end of conductive static contact on have a static contact, the action on conductive reed upper portion serve and be equipped with the movable contact with static contact matched with, be equipped with strong magnet in the top of conductive reed action end in insulating casing cavity, form normally open contact switch between conductive reed action end and the conductive static contact. The normally open contact switch is opened and closed by the influence of the external movable magnet outside the magnetic switch in the whole machine on the built-in strong magnetic block. The magnetic switch is beneficial to the integrity of the magnetic switch, is convenient to assemble in the whole machine, and greatly improves the water resistance of the whole machine.

Description

Magnetic switch

Technical Field

The utility model relates to a switch technical field especially relates to a but magnetic switch that split small household electrical appliances were used.

Background

Traditional components of a whole that can function independently small household appliances are like broken wall machine, in order to improve the security performance, so that when the container does not closed by the lid, generate heat piece and agitator motor do not operate, generally set up detection component between container and lid, detect the lid of container and lid and close the state, when the lid does not close on the container, detection component will detect signal input to host system in, through host system's software operation, the broken wall function part that controls again and generate heat piece and agitator motor etc. stops to operate, but when the disorder appears in software judgement, probably can bring danger for the user, and software operation has untimely possibility, the security level is not high. And has high cost, poor water resistance and inconvenient assembly.

Disclosure of Invention

The utility model provides a move in time stably and do benefit to the magnetic switch of complete machine installation.

In order to solve the technical problem, the utility model discloses a following technical scheme: a magnetic switch comprises an insulating shell with a cavity, wherein an assembly part, a conductive static contact piece and a conductive reed are fixedly arranged in the cavity of the insulating shell, the conductive static contact piece and the conductive reed are fixedly arranged on the assembly part, the lower ends of the conductive static contact piece and the conductive reed are respectively electric connection ends which are inserted with the outside, a static contact piece contact is arranged at the other end of the conductive static contact piece, a movable contact piece contact matched with the static contact piece contact is arranged at the action end of the upper part of the conductive reed, a strong magnet is arranged above the action end of the conductive reed in the cavity of the insulating shell, the weight of the strong magnet is smaller than the elastic force of the conductive reed, and a normally open contact switch is formed between the action end of the conductive; through the mobilizable external magnet that is provided with one and strong magnetic block homopolar in opposite directions outside insulating housing, the magnetism more than or equal to strong magnetic block of external magnet, when external magnet removed the top of the outer strong magnetic block of insulating housing, external magnet repelled strong magnetic block homopolar mutually, promoted strong magnetic block and overcome the elasticity of electrically conductive reed and move down to realize that normally open contact switch is closed.

As an improvement: the assembly part is T-shaped, namely the T-shaped assembly part comprises a left shoulder arm, a right shoulder arm and an intermediate body vertically extending downwards from the middle of the left shoulder arm and the right shoulder arm, and the conductive static contact piece and the conductive reed are respectively positioned on the left shoulder arm and the right shoulder arm through clamping and embedding structures.

As an improvement: the conductive static contact and the conductive reed are respectively provided with a positioning cross arm, the left shoulder arm and the right shoulder arm are respectively provided with a positioning limiting hole matched with the positioning cross arm, and the conductive static contact and the conductive reed are assembled and positioned in the cavity of the insulating shell through the clamping and embedding matching between the positioning cross arm and the positioning limiting hole.

As an improvement: the electric connection ends of the lower ends of the conductive static contact and the conductive reed are respectively arranged at the lower positions of the left shoulder arm and the right shoulder arm on the left side and the right side of the middle partition body, and are hidden in the cavity of the insulating shell and not exposed.

As an improvement: the insulating shell is provided with a whole machine positioning hole for external installation and positioning.

The utility model provides a beneficial effect is: the normally open contact switch is opened and closed by the influence of the external movable magnet outside the magnetic switch in the whole machine on the built-in strong magnetic block. The magnetic switch is downward in normal state, the strong magnet is smaller than the elastic force of the conductive reed due to weight, the movable contact piece contact on the conductive reed is disconnected with the static contact on the conductive static contact piece, the contact switch is a normally open switch, when the external magnet is moved to the upper side of the strong magnet, the external magnet repels the same pole of the strong magnet, the strong magnet is pushed to overcome the upward elastic force of the conductive reed to move downwards, so that the normally open contact switch is closed, once the external magnet is far away from the strong magnet in the magnetic switch, the strong magnet in the magnetic switch loses thrust, the strong magnet is pushed upwards under the elastic action of the conductive reed, the contact switch is disconnected, and the electric connection is disconnected. The utility model discloses rational in infrastructure, design benefit, small, the action is reliable, and do benefit to magnetic switch's integrality, the assembly of being convenient for in the complete machine improves complete machine waterproof nature greatly. The magnetic switch can be arranged in the machine body, the external magnet is arranged on the cover, and the position change of the external magnet and the magnetic switch is realized through the rotation of the cover. Is very convenient and is particularly suitable for a wall breaking machine.

The plastic packaging machine provided by the present invention is further described in detail with reference to the accompanying drawings and embodiments.

Drawings

Fig. 1 is a schematic structural diagram of a magnetic switch provided by the present invention.

Fig. 2 is a schematic view of the insulating housing with a front wall removed.

Fig. 3 is a schematic structural view with the insulating case removed.

Detailed Description

As shown in fig. 1, fig. 2 and fig. 3, the embodiment of the magnetic switch of the present invention includes an insulating casing 1 with a cavity, and in order to facilitate the connection and fixation of the magnetic switch in the whole machine, a whole machine positioning hole 6 for external installation and positioning is formed on the insulating casing 1. An assembly part 2, a conductive static contact piece 3 and a conductive reed 4 which are fixedly arranged on the assembly part 2 are fixed in a cavity of the insulating shell 1, the lower ends of the conductive static contact piece 3 and the conductive reed 4 are respectively electric connection ends which are inserted with the outside, the other end of the conductive static contact piece 3 is provided with a static contact piece contact 31, a movable contact piece contact 41 which is matched with the static contact piece contact 31 is arranged on an action end of the upper part of the conductive reed 4, a strong magnet 5 is arranged above the action end of the conductive reed 4 in the cavity of the insulating shell 1, the weight of the strong magnet 5 is less than the elastic force of the conductive reed 4, and a normally open contact switch is formed between the action end of the conductive reed 4 and the conductive static contact piece 3; through the mobilizable external magnet (not marking in the picture) that is provided with one and strong magnet 5 homopolar in opposite directions outside insulating housing, the magnetism more than or equal to strong magnet 5 of external magnet, when external magnet removed the outside top of strong magnet 5 of insulating housing, external magnet repels strong magnet 5 homopolar, promotes strong magnet 5 and overcomes the elasticity of electrically conductive reed and moves down to realize that normally open contact switch is closed.

The assembly 2 of the embodiment is in a T shape, that is, the T-shaped assembly comprises a left shoulder arm 21, a right shoulder arm 22, and a middle partition 23 vertically extending downwards from the middle of the left shoulder arm 21 and the right shoulder arm 22, and the conductive static contact piece 3 and the conductive spring piece 4 are respectively positioned on the left shoulder arm 21 and the right shoulder arm 22 through a clamping structure. The middle spacer 23 is provided with a clamping block 24 clamped with the shell, and can be connected and fixed with the shell 1 through other connecting structural part assemblies 2. The embodiment adopts a convenient and effective clamping and embedding structure, and comprises a positioning cross arm 8, a left shoulder arm 21 and a right shoulder arm 22 which are respectively arranged on the conductive static contact piece 3 and the conductive reed 4, wherein the positioning cross arm 8, the left shoulder arm 21 and the right shoulder arm 22 are respectively provided with a positioning limiting hole 7 matched with the positioning cross arm 8, and the assembly and positioning of the conductive static contact piece 3 and the conductive reed 4 in the cavity of the insulating shell 1 are realized through the clamping and embedding matching between the positioning cross arm 8 and the positioning limiting hole 7.

In this embodiment, the electrical connection ends of the conductive static contact 3 and the lower end of the conductive reed 4 are respectively arranged at the lower positions of the left shoulder arm 21 and the right shoulder arm 22 at the left and right sides of the middle partition 23, and are hidden in the cavity of the insulating housing 1 without being exposed. When the whole magnetic switch is assembled, the electric connection end can be directly sealed with glue (not marked in the figure) after being plugged, so that the waterproof effect, the integrity of the whole magnetic switch and the waterproof performance are achieved.

Although the present invention has been described with reference to the specific embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A magnetic switch comprising an insulating case (1) with a cavity, characterized in that: an assembly part (2), a conductive static contact piece (3) and a conductive reed (4) which are fixedly installed on the assembly part (2) are fixed in a cavity of the insulating shell (1), the lower ends of the conductive static contact piece (3) and the conductive reed (4) are respectively electric connection ends which are inserted with the outside, a static contact piece contact (31) is arranged at the other end of the conductive static contact piece (3), a movable contact piece contact (41) which is matched with the static contact piece contact (31) is arranged at an action end at the upper part of the conductive reed (4), a strong magnet (5) is arranged above the action end of the conductive reed (4) in the cavity of the insulating shell (1), the weight of the strong magnet (5) is smaller than the elastic force of the conductive reed (4), and a normally open contact switch is formed between the action end of the conductive reed (4) and the conductive static contact piece (3); through mobilizable one outside insulating casing be provided with strong magnetic block (5) homopolar external magnet in opposite directions, external magnet's magnetism more than or equal to strong magnetic block (5), when external magnet removed the top of strong magnetic block (5) outside insulating casing, external magnet repels strong magnetic block (5) homopolar, promotes strong magnetic block (5) and overcomes the elasticity of electrically conductive reed (4) and move down to realize that normally open contact switch is closed.

2. The magnetic switch of claim 1, wherein: the assembly part (2) is T-shaped, namely the T-shaped assembly part comprises a left shoulder arm (21), a right shoulder arm (22) and a middle partition body (23) vertically extending downwards from the middle of the left shoulder arm (21) and the right shoulder arm (22), and the conductive static contact piece (3) and the conductive spring piece (4) are respectively positioned on the left shoulder arm (21) and the right shoulder arm (22) through clamping and embedding structures.

3. The magnetic switch of claim 2, wherein: the conductive static contact piece (3) and the conductive reed (4) are respectively provided with a positioning cross arm (8), the left shoulder arm (21) and the right shoulder arm (22) are respectively provided with a positioning limiting hole (7) matched with the positioning cross arm (8), and the conductive static contact piece (3) and the conductive reed (4) are assembled and positioned in the cavity of the insulating shell (1) through the clamping and embedding matching between the positioning cross arm (8) and the positioning limiting hole (7).

4. A magnetic switch according to claim 2 or 3, wherein: the electric connection ends of the lower ends of the conductive static contact (3) and the conductive reed (4) are respectively arranged at the lower positions of the left shoulder arm (21) and the right shoulder arm (22) at the left side and the right side of the middle partition body (23) and are hidden in the cavity of the insulating shell (1) and not exposed.

5. A magnetic switch according to claim 1, 2 or 3, wherein: the insulating shell (1) is provided with a whole machine positioning hole (6) for external installation and positioning.

6. The magnetic switch of claim 4, wherein: the insulating shell (1) is provided with a whole machine positioning hole (6) for external installation and positioning.