CN210091954U

CN210091954U - 2PIN waterproof touch switch

Info

Publication number: CN210091954U
Application number: CN201921142020.7U
Authority: CN
Inventors: 孙传松
Original assignee: Dongguan Yijia Electronic Technology Co Ltd
Current assignee: Dongguan Yijia Electronic Technology Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-02-18
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a 2 waterproof switch that dabs of PIN, it includes the water proof membrane, presses point, shell fragment, base and terminal, and the terminal package is moulded in the base, and the inside of base is located to the shell fragment card and is located the top of terminal, has the clearance between shell fragment and the terminal, press the middle part of point-fixed in shell fragment, the water proof membrane cladding in the base with press the upper end of point, the middle part of water proof membrane be provided with press the big or small assorted concave part of point, the concave part cladding is in the surface according to point, the water proof membrane edge is provided with first laser weld part, the base edge be provided with laser weld part matched with second laser weld part, the water proof membrane mutually supports laser welding on the base through first laser weld part and second laser weld part. The utility model discloses a to press the point to set up inside the water proof membrane, the water proof membrane plays fixed and guard action to pressing the point, and the fastness is higher after the water proof membrane combines through laser welding with the base, can effectually prevent that the water proof membrane from droing and off normal, and the practicality is strong.

Description

2PIN waterproof touch switch

Technical Field

The utility model relates to an electronic components technical field, in particular to waterproof switch that dabs of 2 PIN.

Background

With the continuous development of society and the continuous development of scientific level, electronic components have become one of the indispensable things in our daily life, and the light touch switch is an important component part thereof, so that the light touch switch can be widely used in the market. At present, the tact switch has the advantages of convenient use, low cost and the like, and has wide application in electronic chips, industrial equipment and domestic electric appliances. The touch switch is characterized in that the elastic sheet is arranged on the base, the elastic sheet is deformed under stress or elastically restored to be in contact with the contact, so that the switch is communicated, when an operator applies pressure to the elastic sheet through the button, the switch is closed and communicated, and when the pressure is removed, the switch is disconnected. At present, the waterproof type of current most dabs the switch most all takes to press the point setting in the waterproof membrane outside, then use glue will press point and waterproof membrane bonding, use glue at last with waterproof membrane and plastic base adhesive structural design, however because set up the outside at the waterproof membrane according to the point, thereby lead to easily according to the point being bumped or damaged, waterproof membrane and base are because of adopting the glue bonding, the bonding firmness is not enough, lead to the membrane to take place with the condition that the membrane fell partially easily, short service life, waterproof performance is poor.

Therefore, the utility model provides a firm, can effectively prevent that the water proof membrane from droing and the waterproof switch that dabs of 2PIN of off normal, solve above problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a 2PIN waterproof switch that dabs, the water proof membrane passes through laser welding with the base and combines, and is firm, can prevent effectively that the water proof membrane from droing and off normal to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:

the utility model provides a 2 waterproof switch that dabs of PIN, its includes the water proof membrane, presses point, shell fragment, base and terminal, the terminal package is moulded in the base, the inside of base and the top that is located the terminal are located to the shell fragment card, there is the clearance between shell fragment and the terminal, press the middle part of point-fixed in shell fragment, the water proof membrane cladding is in the base and the upper end according to the point, the middle part of water proof membrane be provided with according to the big or small assorted concave part of point, the concave part cladding is in the surface according to the point, the water proof membrane edge is provided with first laser weld part, the base edge be provided with laser weld part matched with second laser weld part, the water proof membrane is mutually supported laser welding on the base through first laser weld part and second laser weld part.

As a further elaboration of the above technical solution:

in the above technical solution, the terminal includes a first terminal and a second terminal, the first terminal is in a T-shaped structure, the first terminal includes a first pin portion, a first bending portion and a first contact portion, the first bending portion is disposed between the first pin portion and the first contact portion, the first contact portion is higher than the first pin portion, the second terminal is in an i-shaped structure, the second terminal includes a second pin portion, a second bending portion and a second contact portion, the second bending portion is disposed between the second pin portion and the second contact portion, the second contact portion is higher than the second pin portion, the first contact portion is provided with one contact, and the second contact portion is provided with two contacts.

In the above technical scheme, the base sets up first terminal settling portion and second terminal settling portion, first terminal settling portion includes first terminal location portion and the spacing portion of first terminal, the spacing portion department of first terminal is located to first contact portion card, first terminal location portion is used for the location of first terminal contact portion, first pin portion exposes in the outside of base, second terminal settling portion department is located to second contact portion card, second pin portion exposes in the outside of base, two inboards of base just are located first terminal settling portion and second terminal settling portion top and are provided with shell fragment settling portion, shell fragment card is located shell fragment settling portion department.

In the above technical scheme, the elastic sheet is provided with the protruding parts on two sides, and the elastic sheet is mutually matched and clamped inside the base through the protruding parts and the elastic sheet mounting parts.

In the technical scheme, the pressing point is of a cylindrical structure and is fixed at the upper end of the elastic sheet, and the pressing point is further limited through the groove part of the waterproof film.

In the above technical solution, the contact of the first contact portion is a first contact, the first contact is convexly disposed in the middle of the first contact portion, the two contacts of the second contact portion are respectively a second contact and a third contact, and the second contact and the third contact are convexly disposed on two sides of the second contact portion.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses novel structure, reasonable in design, through will pressing the structure of putting the interior of water proof membrane according to the point and replacing the tradition according to the point and expose in the structure of water proof membrane outside, will press the point to place the interior of water proof membrane, press the point and pass through laser welding with the water proof membrane and combine simultaneously, can make according to the point difficult to be bumped and damage, the water proof membrane further plays fixed and guard action to pressing the point, the concave part of water proof membrane can further restrict the position according to the point; through adopting the structure that water proof membrane and base pass through laser welding to combine to replace traditional water proof membrane and base through the glued structure of glue, laser welding's firmness is higher, and is better than the glue degree of adhesion, can effectual droing and the off normal of water proof membrane, improved life and waterproof performance, the practicality is strong.

Drawings

Fig. 1 is an exploded view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to fig. 1.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1, a waterproof light touch switch of 2PIN, it includes waterproof membrane 1, presses point 2, shell fragment 3, base 4 and terminal 5, the terminal 5 package is moulded in base 4, the inside of base 4 and the top that is located terminal 5 are located to the shell fragment 3 card, there is the clearance between shell fragment 3 and the terminal 5, press point 2 to be fixed in the middle part of shell fragment 3, waterproof membrane 1 cladding in base 4 and the upper end according to point 2, the middle part of waterproof membrane 1 is provided with and presses the concave part of point 2 size assorted, the concave part cladding is in the surface according to point 2, waterproof membrane 1 edge is provided with first laser weld part, base 4 edge is provided with the second laser weld part with laser weld part matched with, waterproof membrane 1 cooperates laser welding on base 4 through first laser weld part and second laser weld part each other.

In this embodiment, the structure that the traditional structure that the waterproof membrane 1 is exposed outside the waterproof membrane 1 according to the point 2 is replaced by the structure that the waterproof membrane 1 is placed according to the point 2, such structural design can make the point 2 not easily be knocked and damaged, the waterproof membrane 1 plays a role in fixing and protecting the point 2, the point 2 and the waterproof membrane 1 are firmer after laser welding, the groove part of the waterproof membrane can further limit the position of the point 2, meanwhile, the structure that the traditional waterproof membrane 1 and the base 4 are bonded through glue is replaced by the structure that the waterproof membrane 1 and the base 4 are combined through laser welding, the firmness of the laser welding is higher, the bonding degree is better than that of the glue, the falling and deviation of the waterproof membrane 1 can be effectively realized, and the service life and the waterproof performance are improved.

As a further improvement of the present invention, the terminal 5 includes a first terminal 51 and a second terminal 52, the first terminal 51 is a T-shaped structure, the first terminal 51 includes a first pin portion, a first bending portion and a first contact portion, the first bending portion is disposed between the first pin portion and the first contact portion, the height of the first contact portion is higher than that of the first pin portion, the second terminal 52 is an i-shaped structure, the second terminal 52 includes a second pin portion, a second bending portion and a second contact portion, the second bending portion is disposed between the second pin portion and the second contact portion, the height of the second contact portion is higher than that of the second pin portion, the first contact portion is provided with one contact, and the second contact portion is provided with two contacts.

As a further improvement, the base 4 sets up first terminal arrangement portion 41 and second terminal arrangement portion 42, first terminal arrangement portion 41 includes the spacing portion of first terminal location portion and first terminal, the spacing portion department of first terminal is located to first contact portion card, first terminal location portion is used for the location of first terminal contact portion, first pin portion exposes in the outside of base 4, second terminal arrangement portion 42 department is located to second contact portion card, second pin portion exposes in the outside of base 4, two inboards of base 4 just are located first terminal arrangement portion 41 and second terminal arrangement portion 42 top and are provided with shell fragment arrangement portion 43, shell fragment 3 card is located shell fragment arrangement portion 43 department.

As a further improvement of the utility model, the 3 both sides of shell fragment are provided with the bulge, inside base 4 was located to shell fragment 3 through the mutually supporting card of bulge and shell fragment arrangement portion 43.

In this embodiment, through the cooperation of pressing point 2 and shell fragment 3, after the user applyed the downward pressure to pressing point 2, shell fragment 3 takes place to deform downwards and contacts with first terminal 51 and second terminal 52 of below, and the circuit intercommunication, after removing the downward pressure, shell fragment 3 resets and bounces, and the circuit disconnection to reach the effect of opening and shutting, its electric conductivity is good, moves smoothly, and is easy and simple to handle.

As a further improvement, the utility model discloses a be cylindric structure according to point 2, be fixed in shell fragment 3 upper end according to point 2, it is further spacing according to the concave part of point 2 through water proof membrane 1.

As a further improvement, the contact of the first contact portion is the first contact, the protruding middle part of locating the first contact portion of first contact, two contacts of the second contact portion are second contact and third contact respectively, the both sides of locating the second contact portion are protruding respectively to the second contact and third contact.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a 2 waterproof light touch switch of PIN which characterized in that, it includes the water proof membrane, presses point, shell fragment, base and terminal, the terminal package is moulded in the base, the inside of base and the top that is located the terminal are located to the shell fragment card, there is the clearance between shell fragment and the terminal, press the middle part of point-fixed in shell fragment, the water proof membrane cladding in base and the upper end according to the point, the middle part of water proof membrane be provided with according to the big or small assorted concave part of point, the concave part cladding is in the surface according to the point, the water proof membrane edge is provided with first laser weld part, the base edge be provided with laser weld part matched with second laser weld part, the water proof membrane is through first laser weld part and the mutual laser welding of second laser weld part on the base.

2. The 2PIN waterproof tact switch according to claim 1, wherein the terminal comprises a first terminal and a second terminal, the first terminal is in a T-shaped structure, the first terminal comprises a first PIN portion, a first bending portion and a first contact portion, the first bending portion is arranged between the first PIN portion and the first contact portion, the first contact portion is higher than the first PIN portion, the second terminal is in an I-shaped structure, the second terminal comprises a second PIN portion, a second bending portion and a second contact portion, the second bending portion is arranged between the second PIN portion and the second contact portion, the second contact portion is higher than the second PIN portion, the first contact portion is provided with one contact, and the second contact portion is provided with two contacts.

3. The 2PIN waterproof tact switch according to claim 2, wherein the base is provided with a first terminal placing portion and a second terminal placing portion, the first terminal placing portion comprises a first terminal positioning portion and a first terminal limiting portion, the first contact portion is clamped at the first terminal limiting portion, the first terminal positioning portion is used for positioning the first terminal contact portion, the first PIN portion is exposed outside the base, the second contact portion is clamped at the second terminal placing portion, the second PIN portion is exposed outside the base, the two inner sides of the base are provided with elastic sheet placing portions above the first terminal placing portion and the second terminal placing portion, and the elastic sheet is clamped at the elastic sheet placing portions.

4. The 2PIN waterproof tact switch according to claim 3, wherein two sides of the elastic sheet are provided with protrusions, and the elastic sheet is clamped inside the base through the mutual matching of the protrusions and the elastic sheet mounting portions.

5. The 2PIN waterproof tact switch according to claim 1, wherein the pressing point is of a cylindrical structure, the pressing point is fixed at the upper end of the elastic sheet, and the pressing point is further limited by a groove portion of the waterproof film.

6. The 2PIN waterproof tact switch according to claim 2, wherein the contact of the first contact portion is a first contact, the first contact is protruded at the middle portion of the first contact portion, the two contacts of the second contact portion are a second contact and a third contact, respectively, and the second contact and the third contact are protruded at two sides of the second contact portion, respectively.