CN211879270U - Multi-contact conduction push switch - Google Patents

Abstract

The utility model belongs to the technical field of the key switch technique and specifically relates to indicate a multiconductor switches on push switch, including upper cover, button, striking piece, elastomeric element, bottom, terminal and shell fragment, striking piece is equipped with two and supports the top, and the shell fragment is equipped with a plurality of shell fragment contacts, and the terminal is equipped with a plurality of terminal contacts that are used for switching on with the contact of shell fragment contact, support the top and be used for ordering about the shell fragment contact and switch on with the contact of terminal or order about the shell fragment contact and keep away from the disconnection each other with the terminal contact and switch. The utility model provides a pair of multiconductor switches on push switch, a plurality of terminal contacts and a plurality of shell fragment contact one-to-one, a plurality of shell fragment contacts and a plurality of terminal contacts contact simultaneously switch on, the utility model discloses ensured the accuracy that shell fragment contact and terminal contact switched on, improved the reliability greatly, the durability is good, increase of service life.

Description

Multi-contact conduction push switch

Technical Field

The utility model belongs to the technical field of the key switch technique and specifically relates to indicate a multicontact switches on push switch.

Background

The keyboard is the most common and main input device, and english letters, numbers, punctuations and the like can be input into the computer through the keyboard, so as to send commands, input data and the like to the computer. More and more computer users and game players have put higher demands on the comfort, hand feeling and quality of computer use. However, the traditional key switch is usually only provided with a pair of contacts, and the accuracy of the contact conduction cannot be guaranteed, so that the reliability is low, the service life is short, the quality requirement cannot be met, and great troubles are caused to people.

Disclosure of Invention

The utility model discloses problem to prior art provides a multicontact switches on push switch, has ensured the accuracy that shell fragment contact and terminal contact switched on, improves the reliability greatly, increase of service life.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a multi-contact switches on push switch, includes upper cover, movable mounting in the button of upper cover, installs in the striking piece of button, cover locate the elastic component in the one end outside of button, with the bottom of upper cover joint, set up in the terminal of bottom and set up in the bottom and with the shell fragment that the terminal cooperation was used, striking piece is equipped with two top of support with the shell fragment butt, and the shell fragment is equipped with a plurality of shell fragment contacts, and the terminal is equipped with a plurality of terminal contacts that are used for switching on with the contact of shell fragment contact, top of support is used for ordering about shell fragment contact and terminal contact to switch on or ordering about shell fragment contact and terminal contact to.

Furthermore, the abutting portion is provided with an inclined wall surface and a concave edge connected with the inclined wall surface, the elastic sheet comprises an elastic sheet body, a bending piece elastically connected with the elastic sheet body, an elastic sheet plug-in bottom cover integrally designed with the elastic sheet body and two abutting curved arms arranged on the bending piece, the elastic sheet contact is arranged on the bending piece, and the abutting curved arms abut against the inclined wall surface or the concave edge.

Further, the terminal comprises a terminal body and a terminal pin which is integrated with the terminal body and is inserted into the bottom cover, and the terminal contact is arranged on the terminal body.

Further, the upper cover includes the upper cover body, with two engaging lugs of the integrative design of upper cover body and set up in a plurality of joint through-holes of engaging lug, the bottom includes the bottom body, with the integrative design of bottom body and be used for a plurality of joint lugs with the joint through-hole joint.

Further, the striking piece and the button are of an integrated structure.

Furthermore, the button is provided with a first convex column, the bottom cover is provided with a second convex column, the second convex column is provided with a jack, one end of the first convex column is inserted into the jack, the elastic component is sleeved on the outer side of the second convex column, one end of the elastic component is abutted against the button, and the other end of the elastic component is abutted against the bottom cover.

Further, a plurality of copper sleeves are installed on the bottom cover.

The utility model has the advantages that:

the utility model provides a pair of multiconductor conduction push-button switch, a plurality of terminal contacts and a plurality of shell fragment contact one-to-ones press the button to make striking piece move down, and the top moves down, and elastic deformation takes place for the shell fragment for a plurality of shell fragment contacts and a plurality of terminal contacts contact simultaneously switch on, when loosening the button, striking piece resets under elastomeric element's elastic action, moves on to the top, makes a plurality of shell fragment contacts and a plurality of terminal contacts keep away from the disconnection simultaneously each other simultaneously and switch on, the utility model discloses guaranteed the accuracy that shell fragment contact and terminal contact switched on, improved the reliability greatly, the durability is good, increase of service life.

Drawings

Fig. 1 is an exploded schematic view of a first embodiment.

Fig. 2 is a schematic perspective view of a first embodiment.

Fig. 3 is a cross-sectional view of the first embodiment.

FIG. 4 is a second cross-sectional view of the first embodiment.

Fig. 5 is a schematic structural diagram of a terminal and a spring plate according to the first embodiment.

Fig. 6 is a schematic structural diagram of a terminal and a spring plate according to the first embodiment.

Fig. 7 is a schematic structural view of a button and a striker in the first embodiment.

Fig. 8 is a schematic structural view of a button and a striker according to the second embodiment.

The reference numerals in fig. 1 to 8 include:

1-covering the upper cover; 11-an upper cover body; 12-connecting lugs; 13-clamping the through hole; 2-a button; 21-a button body; 22-positioning bumps; 23-a first stud; 3-a striker; 31-a top abutment; 311-inclined wall surface; 312-a recessed rim; 32-a positioning groove; 4-an elastic member; 5-bottom cover; 51-a bottom cap body; 52-snap fit lugs; 53-second boss; 54-a jack; 6-terminal; 61-terminal contacts; 62-a terminal body; 63-terminal pins; 7-a spring plate; 71-a dome contact; 72-a spring plate body; 73-a bending sheet; 74-spring prongs; 75-resisting against the bent arm; 8-copper sleeve

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

Example one

The multi-contact conduction push switch provided by the embodiment, as shown in fig. 1 to 7, includes an upper cover 1, a button 2 movably mounted on the upper cover 1, an impact member 3 mounted on the button 2, an elastic member 4 sleeved outside one end of the button 2, a bottom cover 5 clamped with the upper cover 1, a terminal 6 arranged on the bottom cover 5, and a dome 7 arranged on the bottom cover 5 and used in cooperation with the terminal 6, wherein the impact member 3 is provided with two abutting portions 31 abutting against the dome 7, the dome 7 is provided with a plurality of dome contacts 71, the terminal 6 is provided with a plurality of terminal contacts 61 for contacting and conducting with the dome contacts 71, and the abutting portions 31 are used for driving the dome contacts 71 to contact and conduct with the terminal contacts 61 or driving the dome contacts 71 and the terminal contacts 61 to be away from each other and to be disconnected and conducted. Preferably, the elastic member 4 is a spring.

In the actual application, a plurality of terminal contacts 61 and a plurality of shell fragment contacts 71 one-to-one press button 2 and make striking piece 3 move down, top 31 moves down, elastic deformation takes place for shell fragment 7, make a plurality of shell fragment contacts 71 and a plurality of terminal contacts 61 contact simultaneously and switch on, when loosening button 2, striking piece 3 resets under elastomeric element 4's elastic action, top 31 shifts up to make a plurality of shell fragment contacts 71 and a plurality of terminal contacts 61 keep away from the disconnection simultaneously each other and switch on, the utility model discloses guaranteed the accuracy that shell fragment contact 71 and terminal contact 61 switched on, improved the reliability greatly, the durability is good, increase of service life.

As shown in fig. 1, fig. 3, fig. 4, fig. 6 and fig. 7, the abutting portion 31 is provided with an inclined wall 311 and a concave edge 312 connected to the inclined wall 311, the elastic sheet 7 includes an elastic sheet body 72, a bending piece 73 elastically connected to the elastic sheet body 72, an elastic sheet pin 74 integrally designed with the elastic sheet body 72 and inserted into the bottom cover 5, and two abutting curved arms 75 arranged on the bending piece 73, the elastic sheet contact 71 is arranged on the bending piece 73, and the abutting curved arms 75 abut against the inclined wall 311 or the concave edge 312. Specifically, when the abutting portion 31 moves downward, the abutting curved arm 75 abuts against the inclined wall surface 311, and at this time, the plurality of spring plate contacts 71 and the plurality of terminal contacts 61 are simultaneously in contact conduction; when the abutting portion 31 moves upwards, the abutting bent arm 75 abuts against the concave edge 312, and at the moment, the plurality of elastic sheet contacts 71 and the plurality of terminal contacts 61 are separated from each other and disconnected and conducted, so that the accuracy of conducting the elastic sheet contacts 71 and the terminal contacts 61 is guaranteed, the reliability is greatly improved, the durability is good, and the service life is prolonged.

In the multi-contact conduction push switch provided in the present embodiment, as shown in fig. 5, the terminal 6 includes a terminal body 61 and a terminal pin 63 integrally designed with the terminal body 61 and inserted into the bottom cover 5, and the terminal contact 61 is disposed on the terminal body 62. Specifically, the terminal 6 is an integrally formed structure.

The multi-contact conduction push switch provided by the embodiment, as shown in fig. 1 and fig. 2, the upper cover 1 includes an upper cover body 11, two engaging lugs 12 integrally designed with the upper cover body 11, and a plurality of clamping through holes 13 arranged in the engaging lugs 12, and the bottom cover 5 includes a bottom cover body 51, a plurality of clamping convex blocks 52 integrally designed with the bottom cover body 51 and used for clamping with the clamping through holes 13. Specifically, the clamping projection 52 is provided with a clamping inclined wall, so that the upper cover 1 and the bottom cover can be conveniently installed, the installation operation is quick and simple, and the installation efficiency is improved; the clamping through hole 13 of the connecting lug 12 is clamped with the clamping convex block 52, so that the stability and the reliability of the installation of the upper cover 1 and the bottom cover 5 are improved.

The multi-contact conduction push switch provided by the embodiment is as shown in fig. 1 and 7, the striking member 3 is movably mounted on the button 2, the button 2 includes a button body 21 and two positioning protrusions 22 respectively arranged on two sides of the button body 21, and the striking member 3 is provided with two positioning grooves 32 used for being matched with the positioning protrusions 22. In practical application, the impact piece 3 is movably arranged on the button 2, and the impact piece 3 acts to impact the bottom of the button 2 to make a sound; during collision, the positioning lug 22 is inserted into the positioning groove 32, so that the collision piece 3 and the button 2 are prevented from being shifted, and the positioning effect of the collision piece 3 and the button 2 is good.

In the multi-contact-point conducting push switch provided in this embodiment, as shown in fig. 3, the button 2 is provided with a first convex column 23, the bottom cover 5 is provided with a second convex column 53, the second convex column 53 is provided with a jack 54, one end of the first convex column 23 is inserted into the jack 54, the elastic member 4 is sleeved outside the second convex column 53, one end of the elastic member 4 abuts against the button 2, and the other end of the elastic member 4 abuts against the bottom cover 5. Specifically, when pressing button 2, elastomeric element 4 is compressed, and first projection 23 inserts jack 54, avoids taking place to rock between button 2 and the bottom 5, improves stability, uses to experience well.

The multiconductor conduction push switch that this embodiment provided, as shown in fig. 1 and fig. 3, a plurality of copper sheathing 8 are installed to bottom 5, copper sheathing 8 is used for welding whole push switch on external PCB board, but whole push switch and the separation of PCB board plug can realize that the push switch is changed in the plug.

Example two

The second embodiment is basically the same as the first embodiment, except that the striking member 3 and the button 2 are integrally formed, as shown in fig. 8, the structure does not make a sound during use, and a user can select the voice-type key switch of the first embodiment or the silent-type key switch of the present embodiment according to personal preferences.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims (8)

1. A multi-contact conduction push switch is characterized in that: including upper cover, movable mounting in the button of upper cover, install in the striking piece of button, the cover locate the elastic component in the one end outside of button, with the bottom of upper cover joint, set up in the terminal of bottom and set up in the bottom and with the shell fragment that the terminal cooperation was used, striking piece is equipped with two of shell fragment butt and supports the top, and the shell fragment is equipped with a plurality of shell fragment contacts, and the terminal is equipped with a plurality of terminal contacts that are used for switching on with the contact of shell fragment contact, it is used for ordering about shell fragment contact and terminal contact to switch on or order about shell fragment contact and terminal contact to keep away from the disconnection each other.

2. The multi-contact conduction push switch according to claim 1, characterized in that: the elastic piece comprises an elastic piece body, a bending piece elastically connected with the elastic piece body, an elastic piece plug-in pin integrally designed with the elastic piece body and arranged on the bottom cover, and two abutting bent arms arranged on the bending piece, wherein the abutting part is provided with an inclined wall surface and a concave edge connected with the inclined wall surface, the elastic piece comprises an elastic piece body, a bending piece elastically connected with the elastic piece body, an elastic piece plug-in pin integrally designed with the elastic piece body and arranged on the bottom cover, and the elastic piece contact is arranged on.

3. The multi-contact conduction push switch according to claim 1, characterized in that: the terminal comprises a terminal body and a terminal pin which is integrated with the terminal body and inserted in the bottom cover, and the terminal contact is arranged on the terminal body.

4. The multi-contact conduction push switch according to claim 1, characterized in that: the upper cover includes the upper cover body, with two engaging lugs of the integrative design of upper cover body and set up in a plurality of joint through-holes of engaging lug, the bottom includes the bottom body, with the integrative design of bottom body and be used for a plurality of joint lugs with the joint through-hole joint.

5. The multi-contact conduction push switch according to claim 1, characterized in that: the button comprises a button body and two positioning lugs arranged on two sides of the button body respectively, and the striking piece is provided with two positioning grooves used for being matched with the positioning lugs.

6. The multi-contact conduction push switch according to claim 1, characterized in that: the striking piece and the button are of an integrated structure.

7. The multi-contact conduction push switch according to claim 1, characterized in that: the button is provided with a first convex column, the bottom cover is provided with a second convex column, the second convex column is provided with a jack, one end of the first convex column is inserted into the jack, the elastic component is sleeved on the outer side of the second convex column, one end of the elastic component is abutted against the button, and the other end of the elastic component is abutted against the bottom cover.

8. The multi-contact conduction push switch according to claim 1, characterized in that: and the bottom cover is provided with a plurality of copper sleeves.

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