CN212659464U - Structure of push switch - Google Patents
Structure of push switch Download PDFInfo
- Publication number
- CN212659464U CN212659464U CN202020985255.9U CN202020985255U CN212659464U CN 212659464 U CN212659464 U CN 212659464U CN 202020985255 U CN202020985255 U CN 202020985255U CN 212659464 U CN212659464 U CN 212659464U
- Authority
- CN
- China
- Prior art keywords
- terminal
- base
- push switch
- key cover
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model relates to a push switch's structure, include: a base having a receiving space and a terminal groove; a terminal set disposed in the accommodating space of the base, the terminal set including a first terminal and a second terminal, the first terminal having a first contact portion and a first soldering portion, the second terminal having two second contact portions and a second soldering portion, and the first contact portion being located between the two second contact portions; a conductive plate having a ring portion and a tongue piece, wherein the tongue piece is pressed down to electrically connect the first terminal and the second terminal; an elastic piece, it has a compression space, a holding part, a pressed part and a pressing bottom; the key cover is provided with a pressing part and a covering space buckled outside the base, and the pressed part on the top side of the elastic part is abutted against the center of the inner side of the key cover, so that the key cover is a waterproof and dustproof push switch structure with long stroke and quiet action, and the aims of low failure rate and long service life can be fulfilled.
Description
Technical Field
The present invention relates to a push switch structure, and more particularly to a push switch structure with waterproof, dustproof, long stroke and quiet actuation, which can achieve the objectives of low failure rate and long service life.
Background
Electronic products have been developed to this day, and it is a basic condition for miniaturization and refinement, for example, the frame of the liquid crystal display is designed to be very narrow, and the knob and the button which can destroy the aesthetic property of the electronic product are disposed at the position where the outline of the electronic product is not destroyed or can be hidden to the greatest extent, and if the electronic product cannot be hidden, the miniaturization and the aesthetic property are also tried. The microswitch (or called push switch) is a product produced according to the above conditions, and uses a small mechanical switch structure to generate an ON/OFF electronic signal, and because of its small volume, it is easy to design at any corner of an electronic product, and meets the standards of refinement and beauty, so the microswitch is widely applied to many miniaturized electronic and electric products.
The structure design of the push switch is mainly that a containing groove is arranged on a seat body, a plurality of terminals with a plurality of contact parts are arranged in the containing groove, a conductive elastic sheet is also arranged in the containing groove, the center of the conductive elastic sheet is provided with an arched pressing part, and the periphery of the conductive elastic sheet is provided with a butting part which is butted with the contact parts of the terminals, so that the conductive elastic sheet and the two contact parts of the terminals form two-point contact, a pressing piece is arranged above the conductive elastic sheet, and a cover plate combined on the seat body is arranged above the pressing piece. When the pressing switch is actuated, the pressing piece is pressed downwards by the force, so that the other contact part of the conductive elastic sheet is electrically connected with the other terminal to be used as a switch. However, the above-mentioned structure design still has disadvantages in use, for example, the push switch is not waterproof and dustproof, so it is very easy to be affected by water and moisture to generate corrosion of the metal parts, which further causes the metal parts to break or rust to contact the circuit contact to form short circuit, or dust or micro-dust enters into the electrical connection between the blocking metal parts to form non-conductive fault condition, which causes the shortening of the service life of the push switch, and how to avoid the above-mentioned problems is to be solved by the practitioner.
In addition, the micro switch is also widely applied to vehicle-mounted electronic products, the micro switch applied to the vehicle-mounted electronic products is limited by a narrow space in a vehicle cabin and operation conditions during vehicle running except for waterproof and dustproof requirements, and in order to ensure each actuation of the micro switch, an operator can press the micro switch with excessive force, so that the service life of the micro switch is influenced due to excessive wear generated among parts. On the other hand, the luxury caravan needs to maintain excellent silence when the microswitch is pressed, so as to maintain the overall expensive and remarkable texture, and the above requirements also depend on the fine improvement of the owners of the caravan, so as to obtain the microswitch structure meeting the requirements.
SUMMERY OF THE UTILITY MODEL
Therefore, in view of the above problems and disadvantages, the present invention provides a push switch that collects relevant information and designs a structure of the push switch through multi-aspect evaluation and consideration.
In order to achieve the above object, the utility model adopts the following technical scheme:
a push switch structure, comprising:
a base, which is internally provided with an accommodating space and two sides of the bottom of the base are respectively provided with a terminal groove;
a terminal set disposed in the accommodating space of the base, the terminal set including a first terminal and a second terminal, the first terminal having a first contact portion and a first soldering portion penetrating the terminal slot of the base, the second terminal having two second contact portions and a second soldering portion penetrating the terminal slot of the base, and the first contact portion of the first terminal being located between the two second contact portions of the second terminal;
a conductive plate having an annular portion abutting against the upper surfaces of the two second contact portions of the second terminal, wherein an inner edge of the annular portion extends to an inner center to form a tongue piece tilted upward, and the tongue piece abuts against the upper surface of the first contact portion of the first terminal when pressed downward, so that the first terminal is electrically connected to the second terminal;
an elastic piece, its inside has a compression space and locates a department that supports in the compression space, and should support the department and correspond to a compression part of the top side of the elastic piece upwards, and the bottom side of the elastic piece has a pressing bottom that supports and supports in the upper surface of the annular portion of the conducting plate; and
the top surface of the key cover is provided with a pressing part, a covering space buckled outside the base is arranged inside the key cover, and the pressed part on the top side of the elastic part is abutted against the center of the inner side of the key cover.
The structure of the push switch, wherein: the bottom of the base is provided with two opposite sides of the terminal groove above which a stop block is respectively formed, the two opposite sides of the key cover are respectively provided with a baffle plate corresponding to the two stop block positions of the base so as to form a stop structure for pressing the key cover to the bottom dead center of the base, the other two opposite sides of the base which are not provided with the two stop blocks are respectively provided with at least one convex buckle, the other two opposite sides of the key cover which are not provided with the two baffle plates are respectively provided with a buckle hook corresponding to the two convex buckle positions of the base, the convex buckles and the buckle hooks are mutually buckled so as to form a stop structure for assembling and positioning the key cover and the base and elastically recovering the top dead center, and the bottom side of the base is provided with a plurality of pin holes for abutting when the injection method is embedded.
The structure of the push switch, wherein: the accommodating space of the base is provided with a preset drawing die inclination.
The structure of the push switch, wherein: a first chip groove is annularly arranged outside the first contact part of the first terminal; and a second chip groove is annularly arranged outside the two second contact parts of the second terminal.
The structure of the push switch, wherein: at least one surface of the first contact part of the first terminal is provided with an embossing structure for preventing soldering flux from permeating; at least one surface of the second contact part of the second terminal is provided with an embossing structure for preventing soldering flux from permeating.
The structure of the push switch, wherein: the first contact portion of the first terminal further has a first bending portion bending downward and extending obliquely to the first soldering portion.
The structure of the push switch, wherein: the second contact portion of the second terminal further has a second bending portion bending downward and extending obliquely to the second soldering portion.
The structure of the push switch, wherein: the conductive plate is made of phosphor bronze material and has a plurality of bumps on the upper and lower surfaces of the tongue piece.
The structure of the push switch, wherein: the base is in a rectangular structure in appearance, and the key cover is also in a rectangular structure.
The structure of the push switch, wherein: the elastic body is in a convex cylinder structure, the diameter of the pressing bottom of the elastic piece is larger than that of the annular part of the conductive plate, and the elastic body is made of silica gel materials.
The utility model discloses rely on aforementioned constitution to reach and have waterproof dustproof, long stroke and actuate quiet push switch structure to can reach the low and long service life's of fault rate purpose.
Drawings
Fig. 1 is a perspective view of the push switch of the present invention.
Fig. 2 is an exploded perspective view of the push switch of the present invention.
Fig. 3 is another exploded perspective view of the push switch of the present invention.
Fig. 4 is a side view cross-sectional structure of the push switch of the present invention.
Fig. 5 is a top view structural diagram of the base of the push switch of the present invention.
Description of reference numerals: 1-a base; 10-a containing space; 11-terminal slot; 12-a stop block; 13-convex buckle; 14-thimble hole; 2-terminal group; 21-a first terminal; 211 — a first contact; 2110-first flute; 212-first weld; 213-a first bend; 22-a second terminal; 221-a second contact; 2210-second tier trough; 222-a second weld; 223-a second bend; 23-an embossed structure; 3-a conductive plate; 31-a ring-shaped portion; 32-tongue; 321-salient points; 4-an elastic member; 40-a compression space; 41-a holding part; 42-a pressure receiving portion; 43-pressing the bottom; 5-a key cover; 50-a covering space; 51-a pressing part; 52-a baffle; 53-hook.
Detailed Description
Referring to fig. 1 to 5, the push switch of the present invention is shown in a three-dimensional external view, a three-dimensional exploded view, another three-dimensional exploded view, a side view cross-sectional structure view, and a top view structure view of the base, as can be clearly seen from the drawings, the structure of the push switch of the present invention mainly includes a base 1, a terminal set 2, a conductive plate 3, an elastic member 4, and a key cover 5, and the connection relationship between the aforementioned components is as follows:
the base 1 has a receiving space 10 therein, and two sides of the bottom of the base 1 have a terminal slot 11, respectively, and the appearance of the base 1 is a rectangular structure.
The terminal set 2 is disposed in the accommodating space 10 of the base 1, the terminal set 2 includes a first terminal 21 and a second terminal 22, the first terminal 21 has a first contact portion 211 and a first soldering portion 212 penetrating the terminal slot 11 of the base 1, the second terminal 22 has two second contact portions 221 and a second soldering portion 222 penetrating the terminal slot 11 of the base 1, and the first contact portion 211 of the first terminal 21 is located between the two second contact portions 221 of the second terminal 22. The first contact portion 211 of the first terminal 21 further has a first bending portion 213 bending downward and extending obliquely to the first soldering portion 212. The second contact portion 221 of the second terminal 22 further has a second bending portion 223 bent downward and inclined to the second soldering portion 222. The first contact portion 211 and the second contact portion 221 have a convex plane structure, so as to increase the contact area and reduce the poor conduction.
The conductive plate 3 has an annular portion 31 abutting against the upper surfaces of the second contact portions 221 of the second terminals 22, an inner edge of the annular portion 31 extends to an inner center to form a tongue piece 32 tilted upward, and the tongue piece 32 abuts against the upper surface of the first contact portion 211 of the first terminal 21 when pressed downward, so that the first terminal 21 and the second terminal 22 are electrically connected. The conductive plate 3 has a plurality of bumps 321 on the upper and lower surfaces of the tongue 32, and the conductive plate 3 is made of phosphor bronze.
The elastic member 4 has a compression space 40 and a supporting portion 41 disposed in the compression space 40, the supporting portion 41 is upward corresponding to a pressed portion 42 on the top side of the elastic member, and the bottom side of the elastic member 4 has a pressing bottom 43 abutting against the upper surface of the annular portion 31 of the conductive plate 3. The elastic member 4 is a convex cylinder in appearance, and the diameter of the pressing bottom 43 of the elastic member 4 is larger than the diameter of the annular portion 31 of the conductive plate 3, so as to prevent the annular portion 31 of the conductive plate 3 from tilting after being pressed for many times, thereby causing poor conduction. The elastic body 4 is made of a silicone material.
The top surface of the key cover 5 has a pressing portion 51, the key cover 5 has a covering space 50 inside thereof and covering the outside of the base 1, the pressed portion 42 on the top side of the elastic member 4 abuts against the center of the inside of the key cover 5, and the key cover 5 has a rectangular structure.
A stop block 12 is formed above the terminal groove 11 on two opposite sides of the bottom of the base 1, a stop plate 52 is respectively provided at a position corresponding to the stop block 12 of the base 1 on two opposite sides of the key cover 5 to form a stop structure for pressing the key cover 5 to a bottom dead point of the base 1, at least one protruding buckle 13 is respectively provided at two opposite sides of the base 1 where the two stop blocks 12 are not provided, a buckle hook 53 is respectively provided at a position corresponding to the two protruding buckles 13 of the base 1 on the other two opposite sides where the two stop plates 52 are not provided of the key cover 5, the protruding buckle 13 and the buckle hook 53 are mutually buckled to form a stop structure for assembling and positioning the key cover 5 and the base 1 and elastically recovering the top dead point, and a plurality of top pin holes 14 for being abutted during an Insert injection (Insert Molding) method are further provided at the bottom side of the base 1. The accommodating space 10 of the base 1 has a predetermined Draft angle (Draft angle) of 1 degree, which makes the base 1 easier to be demolded in a predetermined mold (not shown).
A first chip groove 2110 is further formed around the first contact portion 211 of the first terminal 21; and a second chip groove 2210 is formed around the outside of each of the second contact portions 221 of the second terminals 22.
At least one surface (in this embodiment, the lower surface) of the first contact portion 211 of the first terminal 21 is provided with an embossing structure 23 for preventing penetration of flux; at least one surface (in this embodiment, the lower surface) of the second contact portion 221 of the second terminal 22 is provided with an embossed structure 23 for preventing penetration of flux.
To assemble the push switch of the present invention, the terminal set 2 is assembled in the accommodating space 10 of the base 1 by using an Insert injection method (Insert Molding), and the annular portion 31 of the conductive plate 3 is continuously supported on the upper surfaces of the two second contact portions 221 of the second terminals 22, so that the bottom side of the press bottom 43 of the elastic member 4 is supported on the upper surface of the annular portion 31 of the conductive plate 3, and then the protruding buckle 13 of the base 1 and the buckle hook 53 of the key cover 5 are mutually buckled to form the assembling location of the key cover 5 and the base 1, and the pressed portion 42 on the top side of the elastic member 4 is supported on the inner center of the key cover 5, so as to complete the assembling of the push switch of the present invention.
The actuation principle of the push switch of the present invention is that the user presses the pressing portion 51 of the key cover 5 and moves toward the base 1, the elastic member 4 disposed inside the key cover 5 is compressed by the pressing stress of the key cover 5, and the abutting portion 41 inside the elastic member 4 moves through a long stroke (compared with the existing micro switch) to contact and press down the upper surface of the raised tongue 32 of the conductive plate 3, and the plural bumps 321 of the tongue 32 and the abutting portion 41 form multi-point contact, the advantage of using the plural bumps 321 to form multi-point contact lies in that when some bumps 321 are blocked by dust or micro-debris, other non-blocked bumps 321 are located on the upper surface of the first contact portion 211 that can contact the first terminal 21 below the tongue 32, and the first terminal 21 and the second terminal 22 are electrically connected, so that the first welding portion 212 and the second welding portion 222 form a conduction state, so as to drive the electronic device provided with the push switch to generate action. Furthermore, the plurality of bumps 321 disposed on the tongue 32 can reduce the noise (less than 50 db) generated by pressing, and can maintain excellent silence when applied to the electronic device of the luxury caravan. On the other hand, the button cover 5 is buckled on the outer side of the base 1 to prevent external dust from entering, and the service life of the push switch can be prolonged.
By means of the disclosure of the above fig. 1 to 5, the present invention can be understood as a structure of a push switch, including: a base having a receiving space and a terminal groove; a terminal set disposed in the accommodating space of the base, the terminal set including a first terminal and a second terminal, the first terminal having a first contact portion and a first soldering portion, the second terminal having two second contact portions and a second soldering portion, and the first contact portion being located between the two second contact portions; a conductive plate having a ring portion and a tongue piece, wherein the tongue piece is pressed down to electrically connect the first terminal and the second terminal; an elastic piece, it has a compression space, a holding part, a pressed part and a pressing bottom; the key cover is provided with a pressing part and a covering space buckled outside the base, and the pressed part on the top side of the elastic part is abutted against the center of the inner side of the key cover. The utility model discloses have splendid practicality in micro-gap switch preparation field, the event provides the protection of patent application in order to seek patent right.
The above description is only for the preferred embodiment of the present invention, and not for the purpose of limiting the scope of the present invention, so that the simple modifications and equivalent structural changes made by the contents of the specification and drawings should be interpreted as being included in the scope of the present invention and is fully disclosed.
Claims (10)
1. A push switch structure, comprising:
a base, which is internally provided with an accommodating space and two sides of the bottom of the base are respectively provided with a terminal groove;
a terminal set disposed in the accommodating space of the base, the terminal set including a first terminal and a second terminal, the first terminal having a first contact portion and a first soldering portion penetrating the terminal slot of the base, the second terminal having two second contact portions and a second soldering portion penetrating the terminal slot of the base, and the first contact portion of the first terminal being located between the two second contact portions of the second terminal;
a conductive plate having an annular portion abutting against the upper surfaces of the two second contact portions of the second terminal, wherein an inner edge of the annular portion extends to an inner center to form a tongue piece tilted upward, and the tongue piece abuts against the upper surface of the first contact portion of the first terminal when pressed downward, so that the first terminal is electrically connected to the second terminal;
an elastic piece, its inside has a compression space and locates a department that supports in the compression space, and should support the department and correspond to a compression part of the top side of the elastic piece upwards, and the bottom side of the elastic piece has a pressing bottom that supports and supports in the upper surface of the annular portion of the conducting plate; and
the top surface of the key cover is provided with a pressing part, a covering space buckled outside the base is arranged inside the key cover, and the pressed part on the top side of the elastic part is abutted against the center of the inner side of the key cover.
2. The structure of the push switch according to claim 1, characterized in that: the bottom of the base is provided with two opposite sides of the terminal groove above which a stop block is respectively formed, the two opposite sides of the key cover are respectively provided with a baffle plate corresponding to the position of the two stop blocks of the base so as to form a stop structure for pressing the key cover to the bottom dead center of the base, the other two opposite sides of the base, which are not provided with the two stop blocks, are respectively provided with at least one convex buckle, and the other two opposite sides of the key cover, which are not provided with the two baffle plates, are respectively provided with a buckle hook corresponding to the position of the convex buckle of the base.
3. The structure of the push switch according to claim 1, characterized in that: the accommodating space of the base is provided with a preset drawing die inclination.
4. The structure of the push switch according to claim 1, characterized in that: a first chip groove is annularly arranged outside the first contact part of the first terminal; and a second chip groove is annularly arranged outside the two second contact parts of the second terminal.
5. The structure of the push switch according to claim 1, characterized in that: at least one surface of the first contact part of the first terminal is provided with an embossing structure for preventing soldering flux from permeating; at least one surface of the second contact part of the second terminal is provided with an embossing structure for preventing soldering flux from permeating.
6. The structure of the push switch according to claim 1, characterized in that: the first contact portion of the first terminal further has a first bending portion bending downward and extending obliquely to the first soldering portion.
7. The structure of the push switch according to claim 1, characterized in that: the second contact portion of the second terminal further has a second bending portion bending downward and extending obliquely to the second soldering portion.
8. The structure of the push switch according to claim 1, characterized in that: the conductive plate is made of phosphor bronze material and has a plurality of bumps on the upper and lower surfaces of the tongue piece.
9. The structure of the push switch according to claim 1, characterized in that: the base is in a rectangular structure in appearance, and the key cover is also in a rectangular structure.
10. The structure of the push switch according to claim 1, characterized in that: the elastic piece is in a convex cylinder structure in appearance, the diameter of the pressing bottom of the elastic piece is larger than that of the annular part of the conductive plate, and the elastic piece is made of silica gel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985255.9U CN212659464U (en) | 2020-06-02 | 2020-06-02 | Structure of push switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985255.9U CN212659464U (en) | 2020-06-02 | 2020-06-02 | Structure of push switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212659464U true CN212659464U (en) | 2021-03-05 |
Family
ID=74747118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020985255.9U Active CN212659464U (en) | 2020-06-02 | 2020-06-02 | Structure of push switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212659464U (en) |
-
2020
- 2020-06-02 CN CN202020985255.9U patent/CN212659464U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6556112B1 (en) | Converting a magnetically coupled pushbutton switch for tact switch applications | |
| EP1120802A2 (en) | Push-on switch, electronic apparatus using the same and method for mounting the switch | |
| US5132498A (en) | Structure of foot switch | |
| CN1319090C (en) | Push-button switch | |
| CN215451206U (en) | Movable member and input device | |
| CN212659464U (en) | Structure of push switch | |
| JP4730171B2 (en) | Push / Slide switch | |
| EP1037226A2 (en) | Push switch | |
| JP2003234035A (en) | Contact plate and switch apparatus using the same | |
| CN212848143U (en) | Automobile electronic switch with self-defined hand-feeling force | |
| JPH01119131U (en) | ||
| CN209282092U (en) | Push switch | |
| TWI233625B (en) | Contact spring and switching device using this | |
| CN215578284U (en) | Push switch | |
| CN213546180U (en) | Switch | |
| TWM602279U (en) | Structure of push switch | |
| JP4189266B2 (en) | Push button switch | |
| WO2023026583A1 (en) | Push switch | |
| KR100405994B1 (en) | push button switch | |
| CN213366439U (en) | Micro-switch capable of improving reliability | |
| CN215118712U (en) | Ultra-thin type light touch switch | |
| CN216597353U (en) | Push-button switch | |
| JP3128436B2 (en) | Push button switch | |
| KR20060045687A (en) | Push button switch | |
| JPH0128592Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |