TWM478901U - Push switch - Google Patents

Description

Push switch

The present invention provides a push switch, in particular, a first terminal and a second terminal are provided on a substrate of a terminal module positioned behind the base body, so that the soldering portion of the first terminal and the second terminal can be used on the circuit board. When the solder is soldered, it accumulates at the concave portion at the two sides of the bottom of the substrate to improve the overall welding strength, thereby achieving the structure stability and good signal transmission.

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 size and convenient portability of electronic products. mode.

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 the electronic product, the conventional side pressure type pressing open relationship includes a touch button and a terminal group at the front and rear sides of the body and the body, wherein the end The sub-group has a horizontal section and a vertical section, and a bent part is formed adjacent to the vertical section in the horizontal section, so that the vertical section of the terminal group can be welded to the corresponding contact on the circuit board, when the touch button is pressed The terminal group can be changed from the original open circuit to the closed circuit electrical connection state to trigger or transmit the control signal. However, when the touch button is pressed, there is no support structure fixed on the rear side of the body. The body is prone to pick up and shake up and down, and it is not easy to make the touch button and the terminal group accurately align, and the overall structure is also quite unstable, and may even cause the vertical section of the terminal group to be subjected to the pushing effect to cause excessive deformation or structural damage. Excessive deformation of the terminal group will cause damage or peeling of the solder structure on the circuit board, resulting in problems such as poor electrical contact, short circuit connection or interruption of the signal, which is the key to research and improvement of those engaged in this industry. Where.

Therefore, in view of the above-mentioned problems and shortcomings, the new creators have collected and collected relevant data through various evaluations and considerations, and have used the trial and modification of many years of R&D experience in this industry to design a new type of push switch. .

The main purpose of the present invention is to accommodate a pressing member and a conductive elastic piece in the accommodating space of the base of the base body, and a concave portion is formed at two sides of the bottom portion of the substrate of the terminal module positioned at the rear of the base, and the terminal module The first terminal and the second terminal are disposed on the substrate, and the base of the first terminal and the second terminal are respectively provided with a conductive elastic piece resisting contact with the conductive member when the pressing member is pressed to form an electrical continuity. a first contact portion and a second contact portion, and a first soldering portion and a second soldering portion at the recess portion respectively at the other side of the base portion of the first terminal and the second terminal, respectively, by the first terminal and the second terminal The first soldering portion and the second soldering portion of the terminal accumulate the solder on the circuit board in the recess to improve the overall soldering strength, and the substrate and the first terminal and the second terminal are subjected to When the pushing action of the pressing member is applied, the structural damage is less likely to occur, thereby achieving the effect of stable structure and good signal transmission.

The secondary purpose of the present invention is that at least one connecting piece is provided at the bottom side of the substrate of the terminal module, and the elastic protrusion of the pressing piece of the seat body pushing the conductive elastic piece abuts the second contact of the second terminal. In the case of the upper part, the connecting piece can be increased in area according to the actual situation to be welded to the circuit board to improve the welding strength, and the overall structure is more stable.

Another purpose of the present invention is to provide a shielding shell for the cover on the base body and the terminal module, and a through hole for the pressing piece to protrude in front of the positioning space formed inside the shielding shell, and located at The positioning leg is provided at the two sides of the rear of the perforation, and the positioning leg of the shielding shell can be welded to the circuit board by the piercing welding method to pin the seat body and the terminal module, and is not easy to be lifted up, left and right, or structurally damaged. This happens while effectively preventing damage or peeling of the solder structure on the board.

1‧‧‧ body

10‧‧‧ accommodating space

101‧‧‧ openings

11‧‧‧Base

111‧‧‧Blocking Department

112‧‧‧Glossy buckle

12‧‧‧Pressing parts

121‧‧‧Resistance Department

122‧‧‧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‧‧‧through hole

153‧‧‧ Third diaphragm

1531‧‧‧through hole

2‧‧‧Terminal module

21‧‧‧Substrate

210‧‧‧through holes

211‧‧‧ recess

22‧‧‧First terminal

221‧‧‧ base

2210‧‧‧through hole

222‧‧‧First contact

223‧‧‧First Welding Department

2230‧‧‧through hole

2231‧‧‧Arc face

2232‧‧‧First extension

224‧‧‧First conductor

23‧‧‧second terminal

231‧‧‧ base

2310‧‧‧through hole

232‧‧‧Second contact

233‧‧‧Second Welding Department

2330‧‧‧through hole

2331‧‧‧ curved surface

2332‧‧‧Second extension

234‧‧‧second conductor

24‧‧‧Connecting piece

25‧‧‧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 a side cross-sectional view of the creation.

The fifth drawing is a perspective view of the preferred embodiment of the present invention.

The sixth drawing is a rear view of the preferred embodiment of the creation.

Figure 7 is a side cross-sectional view of the preferred embodiment of the present invention prior to pressing.

Figure 8 is a side cross-sectional view of the preferred embodiment of the present invention after being pressed.

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

Please refer to the first, second, third and fourth figures, which are respectively the three-dimensional appearance, the three-dimensional exploded view, the three-dimensional exploded view and the side-viewing view of another perspective. It can be clearly seen from the figure. The main body and the features of the present invention are as follows, wherein the main body 1 has a rectangular base 11 and is mounted on the base 11 . The accommodating space 10 formed therein is provided with a pressing member 12, at least one conductive elastic piece 13 and a longitudinal spacer 14 for positioning the conductive elastic piece 13, and the front of the accommodating space 10 of the pedestal 11 is formed to be pressed. The opening portion 101 of the front portion of the member 12 is laterally disposed, and the blocking portion 111 is formed at both side walls of the opening 101. The base 11 is provided with a buckle 112 at two sides of the opening 101.

Further, the center of the pressing member 12 of the base body 1 has a protruding abutting portion 121 at the center of the rear side of the pressing member 12, and is formed on the blocking portion 111 of the base 11 at a position opposite to the outwardly extending portion of the resisting portion 121. The baffle 122 is positioned to be positioned, and the conductive elastic piece 13 is a convex elastic convex portion 131 having an elastically biased against the abutting portion 121 of the pressing member 12, and at least one of the upper and lower sides of the elastic convex portion 131 is provided. The flat pressing piece 132 is disposed, and the two pressing pieces 132 and the elastic convex part 131 are laterally disposed with the cavities 1321, and then the rear side of the pressing piece 132 is folded back to provide the pressing piece 132 and the elastic The convex portion 131 forms a bent portion 1322 in a state of being displaced back and forth.

However, the hollow interior 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. 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 1521 is formed with a corresponding gasket. The through hole 1521 of the receiving groove 141 of the receiving portion 141, and the third film piece 153 of the insulating sheet body 15 is further abutted on the rear side of the spacer 14, and the corresponding film is formed on the third film piece 153. The through hole 1531 at the receiving groove 141 of the 14 is.

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, and the first contact portion 222 of the first terminal 22 on the side of the base portion 221 is provided with at least one pressing piece 132 for the conductive elastic piece 13 to be normally contacted, and is provided at the other side of the base portion 221 The arcuate surface 2231 is located at a first soldering portion 223 at one of the recesses 211 of the substrate 21, and the side of the base portion 231 of the second terminal 23 is outwardly extended to provide at least one elasticity of the conductive elastic piece 13 when the pressing member 12 is pressed. The convex portion 131 is in contact with the second contact portion 232 on which the electrical connection is formed, and the second solder portion 233 having the curved surface 2331 and located at the other concave portion 211 of the substrate 21 is also disposed at the other side of the base portion 231.

In addition, the substrate 21 of the terminal module 2 is provided with a plurality of lateral through holes 210, and the base portion 221 of the first terminal 22 has one end corresponding to the through hole 210. The through hole 2210 is disposed in the first soldering portion 223, and the through hole 2230 corresponding to the other end of the through hole 210 is also disposed, and the through hole 2210, 2230 of the base portion 221 and the first soldering portion 223 is located The first conductor 224 in the through hole 210 is bent over the curved surface 2231 of the first soldering portion 223 to form a first extending piece 2232. The base portion 221 of the second terminal 23 is similarly known. The through holes 2310 and 2330 corresponding to the through holes 210 may be disposed on the second soldering portion 233, and the through holes 2310 and 2330 of the base portion 221 and the second soldering portion 233 are disposed in the through holes 210. The second conductor 234, and the curved surface 2331 of the second soldering portion 233 is bent and extended to the second extending piece 2332 at the through hole 2330; and the first soldering portion 223 of the first terminal 22 is located at the rear bottom side of the substrate 21. At least one connecting piece 24 is disposed between the second soldering portion 233 of the second terminal 23, and the insulating sheet 25 is positioned on the substrate 21 at the outer side of the connecting piece 24.

The shield case 3 is disposed on the base body 1 and the terminal module 2, and a longitudinal positioning space 30 is formed in the shield case 3, and the front side of the positioning space 30 of the shield case 3 is provided. A through hole 31 for the lateral direction of the pressing member 12 is provided, and a buckle groove 311 for holding and positioning the buckle 112 of the base 11 is disposed at two sides of the through hole 31, and the shielding shell 3 is located at two sides of the rear side of the through hole 31. a positioning leg 32 is formed, and a notch 321 for exposing the first soldering portion 223 of the first terminal 22 and the second soldering portion 233 of the second terminal 23 is formed adjacent to the shielding housing 3 behind the positioning leg portion 32. The insulating sheet 25 is formed between the shield case 3 and the first terminal 22 and the second terminal 23 of the terminal module 2.

Please refer to the fifth, sixth, seventh and eighth figures, which are respectively a perspective view, a rear view, a side cross-sectional view before pressing and a side view after pressing. The figure can be clearly seen from the figure. When the present invention is assembled, the body 1 is first positioned on the circuit board 4, and the first terminal 22 and the second terminal 23 of the terminal module 2 are first. The soldering portion 223, the second soldering portion 233, and the connecting piece 24 are respectively abutted on the corresponding metal contacts 41 on the circuit board 4, and the positioning legs 32 at the two sides of the shielding shell 3 respectively pass through the circuit board 4. In the socket 42, the solder 43 is respectively soldered and fixed by surface adhesion technology (SMT) or through hole welding to form an electrical connection, and the first terminal 22 and the second terminal 23 can be used. A soldering portion 223 and a curved surface 2331, 2231 of the second soldering portion 233 accumulate the solder 43 on the circuit board 4 at the recess portion 211 of the substrate 21 to effectively prevent the phenomenon of insufficient tin, and improve the overall positioning on the circuit board. 4, the welding strength, and the positioning body 32 of the shielding case 3 can be used to pin the seat body 1 and the terminal module 2, so that the substrate 21 and the first terminal 22 and the second terminal 23 are pushed by the pressing member 12. When it acts, it is not easy to produce ups, ups and downs, or structural damage, and it is effectively prevented. The structure of the solder 43 on the circuit board 4 is damaged or peeled off, thereby achieving the effects of stable structure and good signal transmission.

When the present invention is used, it is first pressed against the pressing member 12 of the base body 1, and the abutting portion 121 is pushed rearwardly to the surface of the side of the arched elastic convex portion 131 of the conductive elastic piece 13 Elastically deformed, and the other side surface of the elastic convex portion 131 is in contact with the second contact portion 232 of the second terminal 23 of the terminal module 2, and the resisting piece 132 of the conductive elastic piece 13 is pre-contacted with The first contact portion 222 of the first terminal 22 forms a normal contact, and the first contact portion 222 and the second terminal 23 of the first terminal 22 can be made by the elastic convex portion 131 of the conductive elastic piece 13 and the pressing piece 132. The second contact portion 232 forms an electrically conductive state.

In the process of pressing the pressing member 12 of the seat body 1, since the conductive elastic piece 13 is elastically deformed in the receiving groove 141 of the spacer 14, the spacer 14 can be used to prevent the conductive elastic piece 13 from being loosened when being pushed or pushed. The occurrence of the escape occurs, and the effect of the elastic convex portion 131 of the conductive elastic piece 13 elastically supporting the pressing member 12 and the stability of the pressing member 12 when pressed as a whole are ensured, and when the pressing member 12 pushes the conductive elastic piece 13 against the contact When the second terminal 23 is on, the first soldering portion 223 of the first terminal 22 and the second terminal 23 and the second soldering portion 233 are located at the recesses 211 at the two sides of the bottom of the substrate 21 to accumulate the solder 43 in the arc. The surface 2331, 2231 increases the welding strength integrally positioned on the circuit board 4, so as to effectively prevent the first terminal 22 and the second terminal 23 from being damaged or peeled off by the solder 43 on the circuit board 4 when the first terminal 22 and the second terminal 23 are pushed by the pressing member 12. The connecting piece 24 of the permeable substrate 21 can be increased in area according to the actual situation to be welded to the circuit board 4 to improve the welding strength, so that the overall structure is more stable, and the pressing member 12 on the base body 1 is flat. Can reduce the overall height and be thinner Technology to meet the product thin, light weight design requirements.

The above detailed description is intended to illustrate a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and other equivalents and modifications may be made without departing from the spirit of the invention. Changes are to be included in the scope of patents covered by this creation.

In summary, the above-mentioned push switch is used to achieve its efficacy and purpose. Therefore, this creation is a practical and excellent creation, which is in line with the application requirements of the new patent, and the application is submitted according to law. The case will be granted as soon as possible to protect the hard work of the new creators. If there is any doubt in the bureau, please do not hesitate to give a letter, and the new creators will try their best to cooperate with them.

1‧‧‧ body

10‧‧‧ accommodating space

101‧‧‧ openings

11‧‧‧Base

111‧‧‧Blocking Department

112‧‧‧Glossy buckle

12‧‧‧Pressing parts

121‧‧‧Resistance Department

122‧‧‧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‧‧‧through hole

153‧‧‧ Third diaphragm

1531‧‧‧through hole

2‧‧‧Terminal module

21‧‧‧Substrate

210‧‧‧through holes

211‧‧‧ recess

22‧‧‧First terminal

221‧‧‧ base

2210‧‧‧through hole

222‧‧‧First contact

223‧‧‧First Welding Department

2231‧‧‧Arc face

224‧‧‧First conductor

23‧‧‧second terminal

231‧‧‧ base

2310‧‧‧through hole

232‧‧‧Second contact

234‧‧‧second conductor

25‧‧‧Insulation sheet

3‧‧‧Shield housing

30‧‧‧Location space

31‧‧‧Perforation

311‧‧‧ buckle groove

32‧‧‧ positioning foot

321‧‧‧ Missing slot

Claims (10)

A push switch includes a seat body, a terminal module and a shielding case, wherein: the base body has a base, and the pressing space formed in the interior of the base body houses a pressing member and at least one pressable The ejector is an elastically deformable conductive elastic piece; the terminal module is a substrate having a rear portion of the base of the base body, and a concave portion is formed at two sides of the bottom portion of the substrate, and the base is provided with a base portion a terminal and a second terminal, and at the base side of the first terminal, at least one first contact portion for normally contacting the conductive elastic piece is disposed, and the other side of the base portion is provided with a first welding portion at the concave portion, and a second contact portion of the second terminal is provided with at least one second contact portion for abutting the conductive elastic piece and electrically connecting with the second terminal, and is disposed at the other concave portion at the other side of the base portion. a second soldering portion; the shielding shell is disposed on the base body and the terminal module, and is provided with a through hole for the pressing member to protrude in front of the positioning space formed inside the shielding shell, and is located behind the punching hole Positioning feet on the two sides . The push switch according to claim 1, wherein a front portion of the base receiving space of the base body is formed with an opening through which the pressing member can pass laterally, and a blocking portion is formed at the side wall surface of the opening And a baffle that resists positioning on the blocking portion is formed to extend outwardly from the two sides of the rear side of the pressing member. The push switch of claim 1, wherein the base of the base body is provided with a buckle at two sides of the base, and the shielding shell is located at two sides of the through hole for positioning of the buckle. The slot is formed, and a notch for exposing the first soldering portion of the first terminal and the second soldering portion of the second terminal is formed at a position behind the positioning leg of the shielding case. The push switch according to the first aspect of the invention, wherein the central portion of the pressing member of the seat body has a resisting portion at the center of the pressing member, and the conductive elastic piece is a convex elastic convex portion having a resilient support against the resisting portion. And at least one pressing piece for forming a normal contact on the first contact portion that is in contact with the first terminal is disposed at an outer side of the elastic convex portion, and a slit is formed between the pressing piece and the elastic convex portion. And the two sides of the pressing piece are turned backwards and have a bent portion for forming a front and rear dislocation state of the pressing piece and the elastic convex part. 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 the front side of the gasket The first diaphragm is positioned to be in contact with the insulating sheet, and the first diaphragm is formed to be separated between the pressing member and the conductive elastic sheet. The push switch of claim 5, wherein the first diaphragm of the insulating sheet has a second diaphragm positioned on the front and rear sides thereof, and is formed on the second diaphragm to be corresponding to the receiving portion. The through hole at the slot, and the third diaphragm positioned with the insulating sheet is abutted on the rear side of the spacer, and the through hole corresponding to the receiving groove of the spacer is formed on the third diaphragm. The push switch of claim 1, wherein the substrate of the terminal module is provided with a plurality of lateral through holes, and the base of the first terminal has a through hole corresponding to one end of the through hole, and The first soldering portion has a curved surface at the concave portion of the substrate, and the first soldering portion is provided with a through hole corresponding to the other end of the through hole, and the through hole of the base portion and the first soldering portion is provided in the through hole. The first conductor of the first conductor is further bent at a curved surface of the first soldering portion to extend to the through hole to form a first extending piece. The push switch of claim 1, wherein the substrate of the terminal module is provided with a plurality of lateral through holes, and the base of the second terminal has one end corresponding to the through hole. a through hole at the second soldering portion and having a curved surface at the concave portion of the substrate, and the second soldering portion is provided with a through hole corresponding to the through hole at the other end of the through hole, and the through hole of the base portion and the second soldering portion The second conductor is disposed in the through hole, and is bent on the curved surface of the second welded portion to extend to the through hole to form a second extending piece. The push switch of claim 1, wherein at least one connecting piece is disposed between the first soldering portion of the first terminal and the second soldering portion of the second terminal at the rear side of the substrate of the terminal module. The push switch of claim 9, wherein the substrate of the terminal module is located at an outer side of the connecting piece, and an insulating sheet for shielding the shielding shell from the first terminal and the second terminal is disposed.