TWM581287U - Pushbutton - Google Patents

Abstract

The present invention relates to a push switch. The base of the base body houses a pressing member and at least one conductive elastic piece, and a resisting block is disposed behind the pressing member, and the conductive elastic piece has an elastic convex portion for pushing against the resisting block. And at least one pressing piece is disposed on the outer side of the elastic convex portion, and the first terminal and the second terminal are disposed on the substrate of the terminal module, and at least one is provided on the first base side of the first terminal The first contact portion of the tablet is normally contacted, and the first connecting portion is further disposed on the other side of the first base portion, and the second base portion of the second terminal is provided with at least one second contact portion for contacting the elastic convex portion. And a second connecting portion is disposed on the other side of the second base portion, and the length of the resisting block is greater than or equal to 60% of the length of the elastic convex portion, so that a large area of electrical property is formed between the resisting block and the elastic convex portion. The contact is made so that the elastic convex portion is elastically deformed, thereby avoiding contact failure, thereby conforming to the trend of lightness, thinness and shortness, and improving stability during use.

Description

Push switch

The present invention provides a push switch, in particular, the length of the resisting block of the pressing member is greater than or equal to 60% of the length of the elastic convex portion of the conductive elastic piece, so that a large area of electrical property is formed between the resisting block and the elastic convex portion. Contact, and then the elastic convex portion is indeed pushed against the elastic deformation to avoid contact failure, thereby complying with the trend of light and thin, and improving the stability of use.

According to the advent of the high-tech era, various electronic products are widely used in daily life and work, and improve the efficiency and convenience of life and work. However, in addition to indoor use, various electronic products have many Electronic products are portable and unconstrained and limited by time. For example, notebook computers, tablet computers, multimedia audio and video players, mobile phones, digital cameras, etc. are all electronic products that can be carried and used with them. The design of electronic products is designed in the direction of light, thin, short and small. The various components used in electronic products are also reduced and lightened to meet the small and convenient carrying mode of electronic products. .

Among the components used in various electronic products, the push switch is a commonly used component, which is controlled by pressing, and is easy to be mass-produced due to the simple overall structure, so it is widely used. In electronic products, the structural design of the conventional push switch is mostly provided with a plurality of terminals having a plurality of contact portions on a body, and in plural One side of the terminal is provided with a conductive elastic piece, and the center of the conductive elastic piece has a curved pressing portion, and an abutting portion of the contact portion against one of the terminals is disposed around the pressing portion, and the conductive elastic piece is opposite to the plurality of terminals. A pressing member is provided. When the pressing switch is in use, the pressing member can be pressed to press the pressing portion of the conductive elastic piece, thereby electrically contacting the pressing portion to the contact portion of the other terminal, so that the plurality of terminals are mutually Electrical conduction is formed to be used as a switch.

However, since the push switch is moving toward a light, thin, short, and small direction, the internal components must be reduced. However, the press member is reduced so that it cannot be accurately pressed against the conductive elastic piece when pressed. The pressing portion causes the conductive elastic piece to be easily biased, thereby causing the conductive elastic piece to be displaced, which seriously affects the stability and quality of the electrical contact.

Therefore, how to solve the above-mentioned lack of inconvenience and inconvenience is the direction that the relevant industry is eager to study and improve.

Therefore, in view of the above-mentioned problems and deficiencies, the creators have collected relevant information, and through multi-party evaluation and consideration, and through years of experience in the industry, through continuous trial and modification, we have designed a new birth of such a push switch. .

The main purpose of the present invention is to accommodate a pressing member and at least one conductive elastic piece inside the base of the base body, and a protruding abutting block is arranged at the rear of the pressing member, and the conductive elastic piece has a push block for pushing The elastic convex portion is elastically deformed, and at least one pressing piece is disposed outside the elastic convex portion, and the length of the pressing block of the pressing member is greater than or equal to 60% of the length of the elastic convex portion of the conductive elastic piece, and the terminal The module has a substrate located at the rear of the base, and the first terminal and the second terminal are disposed on the substrate, and the first terminal has a first base portion side provided with at least one normal contact of the pressing piece for the conductive elastic piece The first contact portion is further provided on the other side of the first base a first connecting portion electrically connected to the predetermined circuit board, and at least one side of the second base portion of the second terminal is provided with at least one resilient convex portion of the conductive elastic piece when the pressing member is pressed, and is formed to be in contact with the first terminal a second contact portion electrically connected to the second base portion, and a second connecting portion for electrically connecting the predetermined circuit board on the other side of the second base portion, wherein the length of the resisting block is greater than or equal to 60 of the length of the elastic convex portion %, so that a large area of electrical contact is formed between the resisting block and the elastic convex portion, so that the elastic convex portion is actually pushed and elastically deformed to avoid contact failure, thereby making the push switch conform to light , thin, short, and small trend, while achieving the purpose of good use stability.

The secondary purpose of the present invention is that the pressing member is located at the bottom of the resisting block so as to be permeable to the base to enhance the structural strength of the pressing member, so that the pressing switch of the light, thin, short and small pressing switch is not easy to be pressed during the pressing process. The case of deformation or breakage, thereby achieving the purpose of improving the service life.

1‧‧‧ body

10‧‧‧ accommodating space

101‧‧‧ openings

11‧‧‧Base

111‧‧‧Blocking Department

112‧‧‧Glossy buckle

12‧‧‧Pressing parts

121‧‧‧Resistance block

1211‧‧‧ Surface

1212‧‧‧Resistance

122‧‧‧Base

123‧‧‧Baffle

13‧‧‧Electrical shrapnel

131‧‧‧Elastic convex

132‧‧‧Repression tablets

1321‧‧‧ slotting

1322‧‧‧Bend

14‧‧‧shims

141‧‧‧ accommodating slots

15‧‧‧Insulating sheet

151‧‧‧First diaphragm

152‧‧‧second diaphragm

1521‧‧‧ first through hole

153‧‧‧ Third diaphragm

1531‧‧‧Second through hole

2‧‧‧Terminal module

21‧‧‧Substrate

211‧‧‧ recess

22‧‧‧First terminal

221‧‧‧ first base

222‧‧‧First contact

223‧‧‧First connection

23‧‧‧second terminal

231‧‧‧ Second Base

232‧‧‧Second contact

233‧‧‧Second connection

24‧‧‧Insulation sheet

3‧‧‧Shield housing

30‧‧‧Location space

31‧‧‧Perforation

311‧‧‧ buckle groove

32‧‧‧ positioning foot

321‧‧‧ Missing slot

4‧‧‧ boards

41‧‧‧Metal joints

42‧‧‧ jack

43‧‧‧ solder

The first picture is a three-dimensional appearance of the creation.

The second picture is a three-dimensional exploded view of the creation.

The third figure is a three-dimensional exploded view of another perspective of the creation.

The fourth figure is the rear view of the authoring press.

The fifth figure is the front view of the creative conductive shrapnel.

The sixth figure is a side cross-sectional view of the creation before compression.

The seventh figure is a side cross-sectional view of the author after pressing.

In order to achieve the above objectives and effects, the technical means and structure of the present invention are described in detail in the preferred embodiment of the present invention, and the features and functions are as follows.

Please refer to the first, second, third, fourth and fifth figures, which are the three-dimensional appearance drawing, the three-dimensional exploded view, the three-dimensional exploded view of another perspective, the rear view of the pressing member and the front view of the conductive elastic piece. It can be clearly seen that the present invention includes a seat body 1, a terminal module 2 and a shield case 3, so the main components and features of the present case are detailed as follows: The base 1 is a rectangular base 11 and houses a pressing member 12, at least one conductive elastic piece 13 and a longitudinal spacer 14 for positioning the conductive elastic piece 13 in the accommodating space 10 formed inside the base 11. An opening 101 for laterally passing the front portion of the pressing member 12 is formed at the front of the accommodating space 10 of the pedestal 11, and a blocking portion 111 is formed at both side wall surfaces of the opening 101, and the pedestal 11 is located at the opening 101. A buckle 112 is provided at the two sides.

Furthermore, the center of the pressing member 12 of the base body 1 has a convex resisting block 121 at the center, and an arc-shaped curved surface 1211 is formed on the surface of the resisting block 121, and the curved surface 1211 is provided with a flat shape at the center. The elliptical abutting surface 1212 is further provided with a rectangular base 122 at the bottom of the resisting block 121, and the two sides of the base 122 are oppositely extended to be disposed on the blocking portion 111 of the base 11 to form a stop position. The baffle 123 has a resilient elastic protrusion 131 elastically supported on the resisting block 121 of the pressing member 12, and at least one flat shape is provided on the upper and lower sides of the elastic convex portion 131. The pressing piece 132 is disposed, and the two pressing pieces 132 and the elastic convex part 131 are laterally disposed with the dividing groove 1321, and then folded back and forth at the left and right sides of the pressing piece 132 to enable the pressing piece 132 to be elasticized. The convex portion 131 forms a bent portion 1322 in a state of being displaced back and forth.

However, the hollow portion of the gasket 14 is formed with a receiving groove 141, and further abuts the first diaphragm 151 of the insulating sheet 15 at the front side of the gasket 14, and the first diaphragm 151 is located at the pressing member 12. An isolation is formed between the conductive elastic sheet 13 and the second diaphragm 152 is further disposed on the front and rear sides of the first diaphragm 151 of the insulating sheet 15, and the second diaphragm 152 is formed with the corresponding spacer 14 The first through hole 1521 at the receiving groove 141, and the third film 153 of the insulating sheet 15 is further abutted on the rear side of the spacer 14 and formed on the third film 153 corresponding to the pad. The second through hole 1531 of the sheet 14 at the receiving groove 141.

The terminal module 2 has a longitudinal substrate 21 located at the rear of the base 11 of the base 1 and abutting against the spacer 14. The substrate 21 is preferably a circuit board or a plastic board having a predetermined circuit wiring. And a curved arc-shaped recess 211 formed in a quarter circle on both sides of the bottom of the substrate 21, and the substrate 21 is provided with a first terminal 22 and a second terminal corresponding to the receiving groove 141 of the spacer 14. 23, the first base portion 221 of the first terminal 22 extends outwardly from the first contact portion 222 of the at least one pressing piece 132 of the conductive elastic piece 13 and is disposed at the other side of the first base portion 221 The first connecting portion 223 is curved and located at a recess 211 of the substrate 21, and the second base portion 231 of the second terminal 23 extends outwardly at least one of the conductive elastic sheets 13 when the pressing member 12 is pressed. The elastic convex portion 131 abuts against the second contact portion 232 on which the electrical connection is formed, and is also provided at the other side of the second base portion 231 with a curved shape and a second connection at the other concave portion 211 of the substrate 21. In the portion 233, the insulating sheet 24 is positioned in contact with the rear of the substrate 21.

The shielding shell 3 is sleeved and positioned on the base body 1 and the terminal module 2, and A longitudinal positioning space 30 is formed in the shielding housing 3, and a front side of the positioning space 30 of the shielding housing 3 is provided with a through hole 31 for laterally extending the pressing member 12, and is provided at two sides of the through hole 31. The buckles 112 of the base 11 are fastened to the positioning buckles 311, and the shielding shells 3 are disposed at two sides of the rear side of the through holes 31, and are formed at the rear of the positioning legs 32 adjacent to the shielding housing 3. The first connection portion 223 of the first terminal 22 and the second connection portion 233 of the second terminal 23 are exposed, and the insulating sheet 24 is located at the first terminal 22 of the shield case 3 and the terminal module 2, The two terminals 23 are isolated to prevent electrical connection between the terminal module 2 and the shield case 3.

The length A of the resisting block 121 of the pressing member 12 is between 1.3±0.02 mm, and the width B of the resisting block 121 is between 0.4±0.02 mm, and the resisting surface of the resisting block 121 The major axis C of 1212 is between 0.4±0.02 mm, and the short axis D of the resisting surface 1212 of the resisting block 121 is between 0.21±0.01 mm; in addition, the length X of the conductive elastic piece 13 is Between 2.5±0.05 mm, and the width Y of the conductive elastic piece 13 is between 1.15±0.02 mm, and the length M of the elastic convex portion 131 of the conductive elastic piece 13 is between 1.88±0.02 mm, and The width N of the elastic convex portion 131 of the conductive elastic piece 13 is between 0.49±0.01 mm; and the length A of the resisting block 121 of the pressing member 12 is greater than or equal to 60 of the length M of the elastic convex portion 131 of the conductive elastic piece 13. %, and in actual application, it may be 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69% or 70%, and most preferably 69%, The elastic convex portion 131 of the conductive elastic piece 13 is most deformed to improve the stability of contact with the second contact portion 232 of the second terminal 23.

Furthermore, the base 11 of the base 1 and the base 21 of the terminal module 2 are preferably separate members. However, in practice, the base 11 and the base 21 may be integrally formed.

Please refer to the sixth and seventh figures, which are the side cross-sectional view before the press and the side cross-sectional view after pressing. It can be clearly seen from the figure that when the creation is assembled, it can be The base 1 is positioned on the circuit board 4, and the first connecting portion 223 of the first terminal 22 of the terminal module 2 and the second connecting portion 233 of the second terminal 23 are respectively abutted against the corresponding metal contacts on the circuit board 4. 41, and the positioning legs 32 at the two sides of the shielding case 3 are respectively passed through the insertion holes 42 of the circuit board 4, and then soldered by surface adhesion technology (SMT) or through hole (Through Hole) respectively by using the solder 43. In the manner of soldering and forming an electrical connection, the first connecting portion 223 and the second connecting portion 233 which are bent by the first terminal 22 and the second terminal 23 can accumulate the solder 43 on the circuit board 4 when soldered. The concave portion 211 of the substrate 21 effectively prevents the phenomenon of insufficient tin, and improves the welding strength of the overall positioning on the circuit board 4, and can pass through the positioning leg 32 of the shielding case 3 to pin the seat body 1 and the terminal module. 2. Further, when the terminal module 2 is pushed by the pressing member 12, it is less likely to be lifted up and down. The occurrence of sway or structural damage occurs while effectively preventing the structure of the solder 43 on the circuit board 4 from being damaged or peeled off, thereby achieving the effects of stable structure and good signal transmission.

When the present invention is used, it can be pressed onto the pressing member 12 of the base body 1 so that the abutting block 121 of the pressing member 12 is pushed rearwardly on the surface of the elastic convex portion 131 on which the conductive elastic piece 13 is arched. The abutting surface 1212 of the resisting block 121 is pushed against the center of the elastic convex portion 131, and the surface of one side of the elastic convex portion 131 is elastically deformed backward with the curved surface 1211 of the resisting block 121, thereby causing elastic convexity. The other side of the part 131 is resisted Contacting the second contact portion 232 of the second terminal 23 of the terminal module 2, the two contact pads 132 of the conductive elastic piece 13 are in contact with the corresponding first contact portion 222 of the first terminal 22 to form a normal contact. The first contact portion 222 of the first terminal 22 and the second contact portion 232 of the second terminal 23 are electrically connected to each other by the elastic convex portion 131 and the pressing piece 132 of the conductive elastic piece 13.

When the force applied to the pressing member 12 of the seat body 1 is released, the elastic convex portion 131 of the conductive elastic piece 13 is elastically reset to push the pressing member 12 back, and the other side surface of the elastic convex portion 131 is It does not contact the surface of the second contact portion 232 of the second terminal 23, thereby releasing the electrical conduction state, thereby completing the use of the present invention.

During the pressing of the pressing member 12 of the base body 1, the length A of the resisting block 121 of the pressing member 12 is greater than or equal to 60% of the length M of the elastic convex portion 131 of the conductive elastic piece 13, so that the block 121 and the resisting block 121 are A large area of electrical contact is formed between the elastic convex portions 131, and the elastic convex portion 131 is surely biased to be elastically deformed, thereby preventing contact failure, thereby improving stability during use.

This creation has the following advantages:

(1) The length A of the resisting block 121 of the pressing member 12 is greater than or equal to 60% of the length M of the elastic convex portion 131 of the conductive elastic piece 13 so that a large area is formed between the resisting block 121 and the elastic convex portion 131. The electrical contact further causes the elastic convex portion 131 to be elastically deformed by being pushed against, so as to avoid the occurrence of contact failure, thereby making the push switch conform to the trend of lightness, thinness, shortness, small size, and good stability of use. effect.

(2) The pressing member 12 is located at the bottom of the resisting block 121 and is provided with a base 122, so that the structural strength of the pressing member 12 can be raised through the base 122, so that the light and thin can be made thin. The short and small push switch during the pressing process, the pressing member 12 is not easily deformed or broken, thereby achieving the effect of improving the service life.

The above description is only for the preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Therefore, all the simple modifications and equivalent structural changes that are made by using the present specification and the schema contents should be included in the same reason. Within the scope of the patent of this creation, it is given to Chen Ming.

In summary, the press switch of this creation can achieve its efficacy and purpose when it is used. Therefore, this creation is a practical and excellent creation. In order to meet the application requirements of the new patent, the application is submitted according to law. The Commission will grant this case as soon as possible to protect the hard work of the creators. If there is any doubt in the arbitral tribunal, please do not hesitate to give instructions to the creators, and the creators will try their best to cooperate with them.

Claims (10)

A push switch includes a base body and a terminal module, wherein: the base body has a base, and the pressing space and the at least one conductive elastic piece are accommodated in the accommodating space formed inside the base, and the rear side of the pressing piece There is a protruding resisting block, and the conductive elastic piece has an elastic convex portion for pushing the resisting block against an elastic deformation, and at least one pressing piece is disposed outside the elastic convex portion, and the resisting piece is pressed. The length is greater than or equal to 60% of the length of the elastic protrusion of the conductive elastic piece; the terminal module is a substrate having a side of the base of the base body, and the first terminal and the second terminal are disposed on the substrate, and The first base portion of the first terminal is provided with at least one first contact portion for the normal contact of the pressing piece of the conductive elastic piece, and is further provided on the other side of the first base portion for electrically connecting with the predetermined circuit board. a first connecting portion, wherein the second base portion of the second terminal is provided with at least one second contact portion for resisting contact of the elastic protrusion of the conductive elastic piece when the pressing member is pressed and electrically conducting with the first terminal, and Preset on the other side of the second base Forming a second circuit board is electrically connected to the connection portion. The push switch according to the first aspect of the invention, wherein the front of the accommodating space of the pedestal is formed with an opening for the lateral direction of the pressing member, and a blocking portion is formed at the side wall surface of the opening, and the A baffle that resists positioning on the blocking portion is formed on the opposite sides of the pressing member. The push switch of claim 1, wherein the length of the resisting block of the pressing member is between 1.3±0.02 mm, and the width of the resisting block is between 0.4±0.02 mm, and The long axis of the resisting surface of the resisting block is between 0.4±0.02 mm, and the short axis of the resisting surface of the resisting block is 0.21±0.01 Between mm, the length of the conductive elastic piece is between 2.5±0.05mm, and the width of the conductive elastic piece is between 1.15±0.02mm, and the length of the elastic convex part of the conductive elastic piece is 1.88. Between ± 0.02 mm, and the width of the elastic convex portion of the conductive elastic piece is between 0.49 ± 0.01 mm. The push switch of claim 1, wherein a surface of the resisting block is formed with a curved surface, and a resisting surface is disposed at a center of the curved surface. The push switch of claim 1, wherein the bottom of the resisting block is provided with a base. The push switch according to the first aspect of the invention, wherein the two pressing pieces of the conductive elastic piece and the elastic convex part are provided with a slit in a lateral direction, and then turned back and forth at the left and right sides of the pressing piece. The pressing piece and the elastic convex portion form a bent portion in a state of being displaced back and forth. The push switch according to claim 1, wherein the base of the base body is provided with a gasket, and a receiving groove for positioning the conductive elastic piece is formed in the hollow interior of the gasket, and then the front side of the gasket is abutted. The first diaphragm is disposed with the insulating sheet, and the first diaphragm is formed between the pressing member and the conductive elastic sheet, and the first diaphragm of the insulating sheet has a second position at the front and rear sides. a diaphragm, and a first through hole corresponding to the accommodating groove of the spacer is formed on the second diaphragm, and a third diaphragm positioned with the insulating sheet is abutted on the rear side of the spacer, and is disposed on the third film A second through hole corresponding to the accommodating groove of the spacer is formed on the sheet. The push switch of the first aspect of the substrate of the terminal module is formed with a recess for positioning the first connecting portion and the second connecting portion. The push switch according to claim 1, wherein the seat body and the terminal module are covered with a shielding shell, and the seat body and the terminal module are formed inside the shielding shell. The positioning space is provided, and a hole for the lateral extension of the pressing member is arranged in front of the positioning space. The push switch of the ninth aspect of the present invention, wherein the two sides of the base are provided with a buckle, and the two sides of the through hole of the shield shell are provided with a buckle for positioning the buckle. The shielding shell is provided with positioning legs at two sides of the rear of the perforation, and a missing slot is formed at the rear of the positioning leg adjacent to the shielding housing for exposing the first connecting portion and the second connecting portion, and the terminal module is An insulating sheet for shielding the shield case from the first terminal and the second terminal is disposed on the rear side of the substrate.