CN210142599U

CN210142599U - Double-loop switch of small-size heavy current

Info

Publication number: CN210142599U
Application number: CN201921232112.4U
Authority: CN
Inventors: 杨树理
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-03-13
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a small-size heavy-current double-loop switch, which comprises a base and a heavy-current double-loop circuit, the base is internally provided with a containing cavity, the base is provided with an upper cover, a key, a normally open terminal, a normally closed terminal and a common terminal, one side of the public terminal is provided with a spring plate which can be shifted up and down, the public terminal is provided with a spring, one end of the spring is fixedly connected with one side of the common terminal elastic sheet, the other end of the spring is fixedly connected with the other side of the common terminal, the normally open terminal is arranged on one side of the bottom surface of the base, the normally closed terminal is arranged above the normally open terminal at intervals, the utility model has good practicability, and the power supply terminal can be made into pins or patches, has more selectivity, and the equipment is convenient and fast, can improve the efficiency of work, reduces the manufacturing cost of enterprise, suitable using widely.

Description

Double-loop switch of small-size heavy current

Technical Field

The utility model relates to a technical field such as electron device, heavy current control switch, medical device especially needs a two return switches of small-size heavy current.

Background

As is well known, the electronic technology is rapidly developed, and the smaller the volume of an electronic product is, the smaller the volume of the electronic product is, but the smaller the volume of the electronic product is, the smaller the volume of the electronic product is.

Disclosure of Invention

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, a two return switches of small-size heavy current are provided.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the utility model provides a two return circuits switch of small-size heavy current, includes base and heavy current two return circuits, be equipped with one in the base and hold the chamber, be provided with upper cover, button, normally open terminal, normally closed terminal and public terminal on the base, one side of public terminal is equipped with the shell fragment that can stir from top to bottom, be equipped with the spring on the public terminal, the one end fixed connection of spring is in one side of public terminal shell fragment, the other end fixed connection of spring is on the opposite side of public terminal, normally open the terminal setting in bottom surface one side of base, normally closed terminal interval sets up the top at normally open terminal.

Preferably, the public terminal is arranged on the other side of the base, the elastic sheet of the public terminal is arranged between the normally open terminal and the normally closed terminal, the elastic sheet always has upward bouncing force and is connected with the normally closed terminal, the key is abutted against the spring, and the key controls the opening and closing use states of the switch.

Preferably, the button always has a click feedback sound when being pressed or released.

Preferably, the upper cover is provided with a key through hole through which a key can pass, limiting plates extending downwards are arranged on two sides of the upper cover, clamping holes are formed in the limiting plates, the base is connected with the upper cover through a buckle structure, a clamping block protruding outwards and corresponding to the clamping hole of the limiting plate of the upper cover is arranged on the outer side wall of the base, the clamping block is provided with an inclined pouring inclined plane, and the base and the upper cover are fixedly connected in the clamping hole through the clamping block.

Preferably, the normally open terminal, the normally closed terminal and the common terminal are all provided with contact points for contact conduction, and the contact points are all made of silver or silver alloy.

Preferably, the pins extending from the normally open terminal, the normally closed terminal and the common terminal can be made into patch type or pin type.

Preferably, a group of lamp holes are formed in one side edge of the upper cover and the base, and the lamp holes are used for being additionally provided with LED lamps.

Preferably, the operating voltage of the large-current circuit is 125-250V, and the current magnitude is 5-10A.

The utility model has the advantages that: through the switch terminal after the rational distribution improves in the casing of little volume, can reduce and occupy the volume to still carry out powerful work and use, the utility model discloses have good practicality, and the power supply terminal can make and participate in or the paster, have more selectivity to equipment convenient and fast can improve the efficiency of work, reduces the manufacturing cost of enterprise, suitable using widely.

Drawings

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

Fig. 2 is the overall structure schematic diagram of the patch terminal of the present invention.

Fig. 3 is a schematic diagram of a partially assembled structure of the present invention.

Fig. 4 is an exploded schematic view of the present invention.

Fig. 5 is the overall structure schematic diagram of the LED lamp of the present invention.

10. A base; 11. a clamping block; 20. an upper cover; 21. a key through hole; 22. a clamping hole; 30. pressing a key; 40. a normally open terminal; 50. a normally closed terminal; 60. a common terminal; 61. a spring plate; 62. a spring; 70. a lamp hole; 71. an LED lamp.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, a double-circuit switch of small-size large current, including base 10 and large current double-circuit, be equipped with a appearance chamber in base 10, be provided with upper cover 20 on base 10, button 30, normally open terminal 40, normally closed terminal 50 and public terminal 60, be equipped with shell fragment 61 that can stir from top to bottom in one side of public terminal 60, and be equipped with spring 62 on public terminal 60, the one end fixed connection of spring 62 is in one side of public terminal 60 shell fragment 61, the other end fixed connection of spring 62 is on the opposite side of public terminal 60, set up normally open terminal 40 in bottom surface one side of base 10, normally closed terminal 50 interval sets up the top at normally open terminal 40.

The common terminal 60 is arranged on the other side of the base 10, the elastic sheet 61 of the common terminal 60 is arranged between the normally open terminal 40 and the normally closed terminal 50, the elastic sheet 61 always has upward bouncing force to be connected with the normally closed terminal 50, the key 30 is abutted against the spring 62, and the switch use state is controlled through the key 30.

The button 30 always has a click feedback sound when pressed or released to bounce.

Be equipped with the button through-hole 21 that can supply button 30 to pass through upper cover 20, be equipped with the limiting plate that stretches out downwards in the both sides of upper cover 20, be equipped with card hole 22 on the limiting plate, base 10 passes through buckle structure with upper cover 20 and is connected, is equipped with the outside bellied fixture block 11 corresponding with upper cover 20 limiting plate card hole 22 on the lateral wall of base 10, and fixture block 11 has the inclined slope of pouring into, makes base 10 and upper cover 20 pass through fixture block 11 card and go into fixed connection in the card hole 22.

The normally open terminal 40, the normally closed terminal 50 and the common terminal 60 are all provided with contact points for contact conduction, and the contact points are all made of silver or silver alloy and can bear large current.

And the pins extending out of the normally open terminal, the normally closed terminal and the common terminal can be made into a patch type or a pin type, so that the product has diversity.

As shown in fig. 5 and provided at one side edge of the upper cover 20 and the base 10 are a set of lamp holes 70, and the lamp holes 70 can be used for installing LED lamps 71.

The utility model discloses a set up the power supply terminal in the casing of little volume, through reasonable distribution installation to improve the power supply terminal, make its pass through that can bear the heavy current, realize small, powerful operating condition, and when using the button, can be clear hear use repayment sound, and can also add LED lamp 71, the embodiment user state that can be better.

The above embodiments are merely illustrative and not restrictive, and all equivalent changes and modifications made by the methods described in the claims are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a two return circuits switch of small-size heavy current, includes base and heavy current two return circuits, its characterized in that: the improved multifunctional electric heating wire base is characterized in that a containing cavity is formed in the base, an upper cover, a key, a normally open terminal, a normally closed terminal and a public terminal are arranged on the base, an elastic sheet capable of being stirred up and down is arranged on one side of the public terminal, a spring is arranged on the public terminal, one end of the spring is fixedly connected to one side of the elastic sheet of the public terminal, the other end of the spring is fixedly connected to the other side of the public terminal, the normally open terminal is arranged on one side of the bottom surface of the base, and the normally closed terminal is arranged above.

2. A small-scale high-current dual-loop switch according to claim 1, wherein: the public terminal is arranged on the other side of the base, the elastic sheet of the public terminal is arranged between the normally open terminal and the normally closed terminal, and the elastic sheet always has upward bouncing force and is connected with the normally closed terminal.

3. A small-sized high-current double-circuit switch according to claim 1 or 2, wherein: the key is abutted against the spring and controls the opening and closing use states of the switch.

4. A small-scale high-current dual-loop switch according to claim 3, wherein: when the key is pressed or released, the key always has click feedback sound.

5. A small-scale high-current dual-loop switch according to claim 1, wherein: the upper cover is provided with a key through hole for the key to pass through, limiting plates extending downwards are arranged on two sides of the upper cover, and clamping holes are formed in the limiting plates.

6. A small-sized high-current double-loop switch according to claim 1 or 5, characterized in that: the base is connected with the upper cover through a buckle structure, an outward protruding clamping block corresponding to the clamping hole of the upper cover limiting plate is arranged on the outer side wall of the base, the clamping block is provided with an inclined pouring inclined plane, and the base and the upper cover are clamped into the clamping hole through the clamping block and are fixedly connected.

7. A small-scale high-current dual-loop switch according to claim 1, wherein: and the normally open terminal, the normally closed terminal and the common terminal are all provided with contact points for contact conduction, and the contact points are all made of silver or silver alloy.

8. A small-scale high-current dual-loop switch according to claim 1, wherein: and a group of lamp holes are formed in the edges of one side of the upper cover and one side of the base and are used for being additionally provided with LED lamps.

9. A small-scale high-current dual-loop switch according to claim 1, wherein: the working voltage of the large-current circuit is 125-250V, and the current is 5-10A.