CN202839402U

CN202839402U - Novel waterproof button switch

Info

Publication number: CN202839402U
Application number: CN 201220592781
Authority: CN
Inventors: 陆家孟; 吴建成
Original assignee: Chuangle Electronics Industry (Huizhou) Co Ltd
Current assignee: Toneluck Technology Huizhou Co ltd
Priority date: 2012-11-12
Filing date: 2012-11-12
Publication date: 2013-03-27
Anticipated expiration: 2022-11-12

Abstract

The utility model relates to a novel waterproof button switch. The switch comprises a shell consisting of a rubber shell and a base, and a button, wherein a normally open terminal, a normally closed terminal, a common terminal and a conductive movable sheet are arranged on the base; contact regions are respectively formed on the normally open terminal, the normally closed terminal and the common terminal; a V-shaped slot is formed in the side face of the common terminal; the supporting end of the conductive movable sheet is arranged in the V-shaped slot; the conductive movable sheet is also connected with the common terminal through a tension spring; when the button is pressed, the bottom of the button drives the movable end of the conductive movable sheet to downwards move; and a contact of the conductive movable sheet is separated from the contact region of the normally closed terminal and is downwards in contact with the contact region of the normally open terminal, so that switching function conversion is realized. The novel waterproof button switch is rational in structural design; the elasticity of the conductive movable sheet is guaranteed; the tensile strength of the switch is improved; information output from the switch during working is more stable and reliable; the mechanical strength of the conductive movable sheet is improved; and the waterproof sealing performance of the switch is improved, and the service life of the switch is prolonged.

Description

A kind of new waterproof push-button switch

Technical field

The utility model relates to the electric component field, specifically refers to a kind of new waterproof push-button switch.

Background technology

Waterproof push switch is a kind of sensitive switch, is widely used in auto parts machinery/equipment (such as air-conditioning, door lock etc.) signal controlling application.Waterproof push switch generally comprises glue shell, base, Chang Kaiduan, normally closed terminal, common terminal, extension spring, has conduction moving plate and the button of spring function.Chang Kaiduan, normally closed terminal, common terminal and conduction moving plate all are installed on the base, be respectively equipped with contact area at Chang Kaiduan, normally closed terminal and common terminal, button stretches out in the glue shell, when pressing button, the button lower reaction is on the conduction moving plate, and button drives the conduction moving plate and moves downward, and rotor contact separates with normally closed terminal contact area, rotor contact moves downward with the sub-contact area of Chang Kaiduan and contacts, thereby makes the conversion of switch generating function.

In the prior art, the conduction moving plate of switch is made as elastic component, and the reseting elasticity of conduction moving plate comes from conduction moving plate material self elastic force fully, and the variation meeting of conduction moving plate material behavior directly affects life of product, thereby affects the transmission of power supply or the signal of telecommunication; In addition, the tarpaulin of switch is combined with the glue shell and is adopted the glue adhesive seal, and during action button, tarpaulin separates with glue easily, causes the switch water resistance to lose efficacy.

The utility model content

The technical problems to be solved in the utility model provides a kind of longer service life, and more stable, the reliable new waterproof push-button switch of performance.

For solving the problems of the technologies described above, the utility model by the following technical solutions:

A kind of new waterproof push-button switch, comprise the housing that is formed by glue shell and base and be movably connected on button on the glue shell, be provided with Chang Kaiduan at base, normally closed terminal, common terminal and conduction moving plate, Chang Kaiduan, be respectively equipped with contact area on normally closed terminal and the common terminal, described common side surface of terminal is provided with the V-type groove, conduction moving plate support end places in the V-type groove, the conduction moving plate also passes through together go side sub-connection of an extension spring, button bottom band moving conductive moving plate movable end moves downward when pressing button, the conduction rotor contact separates with the contact area of normally closed terminal, the conduction rotor contact contacts with the contact area of Chang Kaiduan downwards, realizes the switching function conversion.

As the improvement to such scheme, be respectively equipped with the extension spring hole on above-mentioned conduction moving plate and the common terminal, extension spring one end is connected on the extension spring hole of conduction moving plate, and the other end is connected on the extension spring hole of common terminal; Be provided with an avoiding hollow groove at conduction moving plate support end middle part, extension spring is telescopic movable in avoiding hollow groove.

As further improvement of these options, above-mentioned conduction rotor contact is two, two conduction rotor contact symmetries are vertically installed in the bottom of conduction moving plate movable end, and drive two conduction rotor contacts came and went with normally closed terminal contact area at the sub-contact area of Chang Kaiduan and alternately contact when conduction moving plate movable end moved downward.

Further, above-mentioned conduction moving plate bottom periphery is toward in-flanges.

In addition, above-mentioned button is provided with tarpaulin outward, and tarpaulin links together by the mode that rivet hot is connected with the glue shell.

The utlity model has following remarkable result:

The utility model waterproof push switch reasonable in design, the structure of conduction moving plate has guaranteed the elasticity of conduction moving plate and has strengthened the tensile strength of switch, conduction moving plate together go side closely connects by the extension spring effect, and the conduction rotor contact way of contact, the information of having guaranteed switch output when work is more stable, more reliable, the conduction moving plate is the switch restoring force that provides of slight elastic deformation amount and extension spring useful life of having improved switch in the course of the work, glue shell and tarpaulin rivet hot, mould with the filling with sealant envelope between base and glue shell, guaranteed the waterproof sealing performance of switch.

Description of drawings

Accompanying drawing 1 is the utility model decomposition texture schematic diagram;

Accompanying drawing 2 is the utility model front sectional structure schematic diagrames;

Accompanying drawing 3 is the utility model conduction moving plate syndeton schematic diagrames;

Accompanying drawing 4 is A-A sectional structure schematic diagrames among Fig. 3;

Accompanying drawing 5 is the utility model conduction moving plate perspective view;

Accompanying drawing 6 is another conduction moving plate perspective view of the utility model;

Accompanying drawing 7 is another base perspective view of the utility model;

Accompanying drawing 8 is another conduction moving plate and another base mounting structure schematic diagram.

Wherein, 1 glue shell, 2 bases, 3 buttons, 41 Chang Kaiduan, 42 normally closed terminals, 43 common terminals, 430 V-type grooves, 5 conduction moving plates, 51 conduction rotor contacts, 52 extension spring holes, 53 grooves, 6 extension springs, 7 tarpaulins.

Embodiment

For the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing and embodiment the utility model is explained in further detail.

Shown in accompanying drawing 1～5, a kind of new waterproof push-button switch comprises a housing and the button 3 that is movably connected on the housing, and housing is assembled by glue shell 1 and base 2 snappings, and in order to keep sealing, glue shell 1 and base 2 also adopt the fluid sealant water seal to mould.Be provided with Chang Kaiduan 41, normally closed terminal 42, common terminal 43 and conduction moving plate 5 at base 2, be respectively equipped with contact area on Chang Kaiduan 41, normally closed terminal 42 and the common terminal 43, button 3 bottom band moving conductive moving plate 5 movable ends move downward when pressing button 3, conduction rotor contact 51 separates with the contact area of normally closed terminal 42, conduction rotor contact 51 contacts with the contact area of Chang Kaiduan 41 downwards, the conversion of realization switching function, conduction rotor contact 51 is structure as a whole with conduction moving plate 5.

Wherein, be provided with V-type groove 430 in the side of common terminal 43, conduction moving plate 5 support ends place in the V-type groove 430, conduction moving plate 5 is also by together go side 43 connections of an extension spring 6, be respectively equipped with extension spring hole 52 at conduction moving plate 5 and common terminal 43, extension spring 6 one ends are connected on the extension spring hole 52 of conduction moving plate 5, and the other end is hung on the extension spring hole 52 of common terminal 43, be provided with an avoiding hollow groove 53 at conduction moving plate 5 support ends middle part, extension spring 6 is in avoiding hollow groove 53 interior activities.These conduction moving plate 5 support ends place in the V-type groove 430, conduction moving plate 5 under the effect of extension spring 6 together go side 43 combine closely and link together, make 5 work of conduction moving plate more stable, reliable, guarantee the conversion of switching circuit signal; In addition, conduction moving plate 5 bottom peripheries are toward in-flanges, and conduction moving plate 5 and the separately design of elastic component that resets for switch, solved the contradiction between elastic properties of materials and the thickness, strengthened the mechanical strength of conduction moving plate 5, also guaranteed the 5 elasticity requirements of conduction moving plate, thus the useful life of having improved switch.

In the present embodiment, conduction rotor contact 51 is two, and two conduction rotor contact 51 symmetries are vertically installed in the bottom of conduction moving plate 5 movable ends, and conduction moving plate 5 movable ends drive two conduction rotor contacts 51 and contact with Chang Kaiduan 41 contact areas when moving downward; Owing to there are being two relative contacts to contact simultaneously perpendicular to the moving plate direction of motion, such way of contact has strengthened effective contact area, guarantees that the transmission of switching circuit signal is more stable, reliable.

In addition, be provided with tarpaulin 7 outside button 3, tarpaulin 7 links together by the mode that rivet hot is connected with glue shell 1, and glue shell 1 melted by heating compresses tarpaulin 7 outer rims, has improved the waterproof sealing performance of switch, guarantees that switch normally uses.

When switch uses, the staff presses button 3 and moves downward, bottom band moving conductive moving plate 5 movable ends of button 3 move downward, conduction rotor contact 51 separates with the contact area of normally closed terminal 42, conduction rotor contact 51 contacts with the contact area of Chang Kaiduan 41 downwards, thereby realizes the switching function conversion; Behind release button 3, under the effect of extension spring 6 pulling force, conduction moving plate 5 movable ends move upward, and drive button 3 and reset.

The utility model waterproof push switch reasonable in design, conduction moving plate 5 support ends place in the V-type groove 430, conduction moving plate 5 under the effect of extension spring 6 together go side 43 combine closely and link together, make 5 work of conduction moving plate more stable, reliable; Conduction moving plate 5 and be used for the separately design of elastic component that switch resets, flange had both been strengthened the mechanical strength of conduction moving plate 5 around the conduction moving plate 5, had also guaranteed the 5 elasticity requirements of conduction moving plate, thereby had improved the useful life of switch; In addition, tarpaulin 7 links together by the mode that rivet hot is connected with glue shell 1, has also improved the waterproof sealing performance of switch.

Above-described embodiment is the preferred version that the utility model is realized, and indefiniteness is exhaustive, the utility model can also have other variations under same idea, as conduct electricity rotor contact 51 and be Split type structure with conduction moving plate 5, conduction rotor contact 51 is fixed together with 5 riveted joints of conduction moving plate, as shown in Figure 6, this structure can reach the utility model designing requirement equally; Owing to close conduction centre position, moving plate 5 bottom, conduction rotor contact 51 positions, thus the position replacement of Chang Kaiduan 41 and normally closed terminal 42 is got final product, shown in accompanying drawing 7-8.Need to prove that under the prerequisite that does not break away from the present utility model design, any apparent replacement is all within the utility model protection range.

Claims

1. new waterproof push-button switch, comprise the housing that is formed by glue shell (1) and base (2) and be movably connected on button (3) on the glue shell, be provided with Chang Kaiduan (41) at base, normally closed terminal (42), common terminal (43) and conduction moving plate (5), Chang Kaiduan, be respectively equipped with contact area on normally closed terminal and the common terminal, it is characterized in that: described common side surface of terminal is provided with V-type groove (430), conduction moving plate support end places in the V-type groove, the conduction moving plate also passes through together go side sub-connection of an extension spring (6), button bottom band moving conductive moving plate movable end moves downward when pressing button, conduction rotor contact (51) separates with the contact area of normally closed terminal, the conduction rotor contact contacts with the contact area of Chang Kaiduan downwards, realizes the switching function conversion.

2. new waterproof push-button switch according to claim 1 is characterized in that: be respectively equipped with extension spring hole (52) on described conduction moving plate and the common terminal, extension spring one end is connected on the extension spring hole of conduction moving plate, and the other end is connected on the extension spring hole of common terminal; Be provided with an avoiding hollow groove (53) at conduction moving plate support end middle part, extension spring is telescopic movable in avoiding hollow groove.

3. new waterproof push-button switch according to claim 2, it is characterized in that: described conduction rotor contact is two, two conduction rotor contact symmetries are vertically installed in the bottom of conduction moving plate movable end, and drive two conduction rotor contacts came and went with normally closed terminal contact area at the sub-contact area of Chang Kaiduan and alternately contact when conduction moving plate movable end moved downward.

4. new waterproof push-button switch according to claim 3 is characterized in that: the past in-flanges of described conduction moving plate bottom periphery.

5. an arbitrary described new waterproof push-button switch according to claim 1-4, it is characterized in that: described button is provided with tarpaulin (7) outward, and tarpaulin links together by the mode that rivet hot is connected with the glue shell.