CN108054037B - Switch key with built-in patch type replaceable functional element - Google Patents
Switch key with built-in patch type replaceable functional element Download PDFInfo
- Publication number
- CN108054037B CN108054037B CN201810068612.2A CN201810068612A CN108054037B CN 108054037 B CN108054037 B CN 108054037B CN 201810068612 A CN201810068612 A CN 201810068612A CN 108054037 B CN108054037 B CN 108054037B
- Authority
- CN
- China
- Prior art keywords
- key
- functional element
- elastic
- built
- fixed
- 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.)
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Links
- 238000003466 welding Methods 0.000 claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 239000000741 silica gel Substances 0.000 description 13
- 229910002027 silica gel Inorganic materials 0.000 description 13
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/002—Legends replaceable; adaptable
- H01H2219/014—LED
- H01H2219/016—LED programmable
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a switch key with a built-in patch type replaceable functional element, which comprises an elastic key (1), a conductive semi-ring (2), a core support (3), a functional element (4), conductive rubber (5) and a welding fixing frame (6), wherein at least one conductive semi-ring (2) is arranged in the elastic key (1), the core support (3) and the welding fixing frame (6) are respectively embedded and fixed in the elastic key (1), the functional element (4) is fixed in the core support (3) through a detachable fixing structure and is bonded and pressed by the conductive rubber (5) below, and the elastic key (1) controls the conductive layer structure of a functional element structure area below to be misplaced by the conductive semi-ring (2) and is connected and disconnected with a functional trace channel below corresponding to an integral key circuit board (7) in an open way, so that a switch function is realized. The technical scheme of the invention can replace the functional elements according to the needs, is convenient to use or maintain, can combine and reduce structural components according to the needs, and meets the functional needs.
Description
Technical Field
The invention relates to an application structure design technology of a high polymer elastomer key, in particular to a switch key with a built-in patch type replaceable functional element, which comprises an elastic key, a conductive semi-ring, a core support, the functional element, conductive rubber and a welding fixing frame.
Background
The conductive adhesive key industry is an industry which is born in the 80-90 s of the last century. Aiming at the problem that the traditional nonstandard single silica gel key is not suitable for the surface mounting technology, the surface mounting silica gel key is proposed, namely a pin bracket is added to a silica gel key base, and a patch type silica gel key is formed by die pressing. However, on the one hand, in the application occasions with high density and high integration, the pins are exposed to the edges of the keys during welding, so that the requirement of gapless high-density application cannot be met. On the other hand, in many applications of silica gel keys, the luminous performance is a common requirement; the existing technology for realizing the light emission of the patch type silica gel elastic key is that a light-emitting element is embedded in a silica gel body of the silica gel key, and then electrical interconnection is realized in the silica gel body in a lead wire mode and the like; the technical scheme for realizing the self-contained luminous element of the silica gel key has the advantages of complex production process, high manufacturing cost and short service life.
For the problem of the existing patch type silica gel key, it is necessary to improve the angle of the application structure of the existing patch type silica gel elastic key.
The invention discloses a luminous patch type elastic key, which effectively improves the application structure of the traditional patch type silica gel elastic key and provides a luminous patch type elastic key suitable for a surface mounting process, but the luminous patch type elastic key is not replaceable due to the fact that a luminous chip is fixedly arranged in the key body, so that the realized function is single, and the chip is difficult to replace and maintain after being damaged.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problem of providing the switch key with the built-in patch type replaceable functional element, so that different functions can be conveniently realized according to the function requirement, and the maintenance is convenient.
In order to solve the technical problems, the technical scheme adopted by the invention is that the switch key with the built-in patch type replaceable functional element comprises an elastic key, a conductive semi-ring, a core support, the functional element, conductive rubber and a welding fixing frame, wherein at least one conductive semi-ring is arranged in the elastic key, the core support and the welding fixing frame are respectively embedded and fixed in the elastic key, the functional element is fixed in the core support through a detachable fixing structure and is bonded and pressed by the conductive rubber below, and the elastic key controls the conductive semi-ring to misplace a conductive layer structure of a functional element structure area below and is connected and disconnected with a functional trace of a corresponding integral key circuit board below so as to realize a switch function.
Further, the detachable fixing structure can be a patch type structure or a pin type structure or an interference fit structure;
Still further, the patch structure may be a multiple patch structure;
Further to enhance the heat radiation insulating performance of the functional element, an insulating heat radiation material layer is arranged between the bottom surface of the functional element and the conductive rubber;
Further, a through ventilation groove for heat dissipation is formed in the bottom surface of the base of the elastic key;
further, at least one welding leg of the welding fixed frame can extend out of the base of the elastic key or not according to the requirement;
Further, for enhancing the fixing effect of the elastic key and the corresponding integral key circuit board, an upper frame body is additionally arranged to downwards cover the base seat of the elastic key, at least one corresponding integral key circuit board is inwards folded and fixed through at least two downward elastic sheets arranged on the base seat, and patch pins of the fixed circuit board can be arranged according to the requirement;
Further, the functional element may be a light emitting chip or a sound emitting chip or an LED or WiFi chip or a sensor chip or an image sensor chip;
Further, the side face of the key body of the elastic key is provided with a limit lug or a limit clamping groove, and the inner side of the matching component is provided with a convex edge or a groove corresponding to the limit lug or the limit clamping groove through the limit lug or the limit lug and combining with the matching component clamping device. When the key head is pressed for the first time, the limit clamping groove or the limit protruding block is matched with the convex edge or the groove of the matching component, at the moment, the key head is limited in the conducting state of the conductive semi-ring and the corresponding integral key circuit board open-circuit trace, and is kept.
The technical scheme of the invention can be used for replacing the functional elements according to the functional requirements, is convenient to use or maintain, can be used for combining and reducing structural components according to the requirements, and meets the functional requirements.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the invention A-A;
FIG. 3 is a side view of a spring key;
FIG. 4 is a top view of an elastic key;
FIG. 5 is an exploded view of the major components of the present invention;
FIG. 6 is a block diagram of a welded fastening frame;
FIG. 7 is a schematic view of a welding leg of the welded fastening frame extending beyond the base of the elastic key;
fig. 8 is a schematic diagram of a situation that the welding legs of the welding fixing frame do not extend out of the elastic key base.
Detailed Description
The following description of the embodiments of the invention is given by way of illustration and not limitation.
The utility model provides a but built-in patch formula removable functional element's switch button, includes elasticity button 1, electrically conductive semi-ring 2, core holds in the palm 3, functional element 4, conductive rubber 5 and welded fastening frame 6, electrically conductive semi-ring 2 has at least one and installs in the elasticity button 1, core holds in the palm 3, welded fastening frame 6 inlay respectively and fix in the elasticity button 1 is internal, functional element 4 is fixed through detachable fixed knot structure holds in the palm 3 in the core to through the below conductive rubber 5 laminating crimping, thereby elasticity button 1 is through pressing control conductive semi-ring 2 misplaces the conductive layer structure of functional element structure region of below and with the switching on and off of the corresponding whole button circuit board 7 open-circuit's of below functional trace realize the switching function.
Fig. 1 to 5 show the structure of the invention, a switch key with built-in patch type replaceable functional elements, comprising an elastic key 1, a conductive semi-ring 2, a core support 3, a functional element 4, a conductive rubber 5 and a welding fixing frame 6, wherein the elastic key 1 comprises a key head 11, a soft body 12 and a base 13, the soft body 12 is in a conical cylinder shape, the inner edge of a small opening of the soft body 12 is connected with the lower end of the key head 11, the large opening end of the elastic soft body 12 is connected with the upper surface of the base 13, a through hole with a size corresponding to the large opening end of the elastic soft body 12 is arranged in the middle of the base 13, the outer ring at the bottom end of the key body 11 is provided with the conductive semi-ring 2, and a concave space is arranged in the center; the core support 3 is a well-shaped conductor with a raised square frame, the top surface of the core support is provided with a square frame which is matched with the external dimension of the functional element 4, the bottom surface of the core support is provided with overhanging feet which are overhanging and embedded and fixed in the base 13 and are bonded and conducted with a corresponding integral key circuit board 7 below the base 13, the square frame surface and the corresponding integral key circuit board 7 form a concave space, and the corresponding integral key circuit board 7 is provided with a functional trace with an open circuit; the functional element 4 is arranged in the concave space and is fixed in the core holder 3 square frame through a detachable fixing structure; the conductive rubber 5 is arranged below the welding feet of the functional element 4, and the welding feet of the functional element 4 and the core holder 3 are bonded and conducted by extrusion connection and are lower than the concave space; the welding fixing frame 6 is embedded and fixed in the base 13 and is welded and fixed with the corresponding integral key circuit board 7 through at least one welding leg, and the structure of the welding fixing frame 6 can be shown as figure 6; the key 1 realizes a switching function by pressing and controlling the conduction and disconnection of the conductive semi-ring 2 and the functional trace of the corresponding integral key circuit board 7.
Further, the detachable fixing structure can be a patch type structure or a pin type structure or an interference fit structure;
Still further, the patch structure may be a multiple patch structure;
Further, in order to enhance the heat dissipation and insulation performance of the functional element 4, an insulating heat dissipation material layer 8 is disposed between the bottom surface of the functional element 4 and the conductive rubber 5;
Further, a through ventilation groove for heat dissipation is formed on the bottom surface of the base 13 of the elastic key 1;
Further, at least one leg of the welding frame 6 may extend out of the base 13 of the elastic key 1 (as shown in fig. 7) or not according to the requirement (as shown in fig. 8);
Further, for enhancing the fixing effect on the elastic key 1 and the corresponding integral key circuit board 7, an upper frame 9 is additionally arranged to downwards cover the base 13 of the elastic key 1, at least one corresponding integral key circuit board 7 is inwards folded and fixed through at least two downward elastic sheets arranged on the base, and fixed circuit board patch pins can be arranged according to the requirement;
Further, the functional element 4 may be a light emitting chip or a sound emitting chip or an LED or WiFi chip or a sensor chip or an image sensor chip;
Further, referring to fig. 3, a limit bump 111 or a limit slot is provided on a side surface of the key body 11 of the elastic key 1, and a convex edge or a groove corresponding to the limit bump 111 or the limit slot is provided on an inner side of the mating component through the limit slot or the limit bump 111 and the mating component clamping device. When the key head 11 is pressed for the first time, the limiting clamping groove or the limiting protruding block 111 is matched with the convex edge or the groove of the matching component, at this time, the key head 11 is limited in the conducting state of the conducting semi-ring 2 and the corresponding integral key circuit board open circuit trace, and is kept, when the key head 11 is pressed again, the limiting clamping groove or the limiting protruding block 11 is separated from the convex edge or the groove of the matching component, at this time, the key head 11 drives the conducting semi-ring 2 to be separated from the conducting state of the corresponding integral key circuit board open circuit trace, and the original open circuit state is restored, so that the application effect of the key switch is achieved.
The main components of the invention are shown in exploded form in figure 5.
The technical scheme of the invention can be used for replacing the functional elements according to the functional requirements, is convenient to use or maintain, can be used for combining and reducing structural components according to the requirements, and meets the functional requirements.
The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.
Claims (5)
1. The utility model provides a but built-in patch formula removable functional element's switch button, includes elasticity button (1), electrically conductive semi-ring (2), core support (3), functional element (4), conductive rubber (5) and welded fastening frame (6), electrically conductive semi-ring (2) have at least one and install in elasticity button (1), its characterized in that: the utility model discloses a heat dissipation device, including core support (3), welded fastening frame (6), functional element (4), conductive rubber (5) laminating crimping, elastic button (1) are fixed in elastic button (1) is inlayed respectively, functional element (4) are fixed in core support (3) through detachable fixed knot structure to through the below conductive layer structure that conductive semi-ring (2) misplaced function part structure area below and the corresponding whole button circuit board (7) of below open circuit switch on and off thereby realize the switching function, detachable fixed knot constructs can be paster type structure or pin type structure or interference fit structure, paster type structure is many times paster structure still includes functional element (4) bottom surface with be equipped with insulating heat dissipation material layer (8) between conductive rubber (5) base (13) bottom surface of elastic button (1) is established to the ventilation groove that the heat dissipation was used.
2. The on-off key with built-in replaceable functional element according to claim 1, wherein: at least one welding leg of the welding fixed frame (6) can extend out of the base (13) of the elastic key (1) or not according to the requirement.
3. The on-off key with built-in replaceable functional element according to claim 1, wherein: the novel elastic key comprises an elastic key body, and is characterized by further comprising an upper frame body (9), wherein the upper frame body (9) downwards covers a base (13) of the elastic key (1) in a sleeving manner, at least one corresponding integral key circuit board (7) is inwards folded and fixed through at least two downwards elastic sheets arranged on the base, and fixed circuit board patch pins can be arranged according to requirements.
4. The on-off key with built-in replaceable functional element according to claim 1, wherein: the functional element (4) may be a light emitting chip or a sound emitting chip or an LED or WiFi chip or a sensor chip or an image sensor chip.
5. The on-off key with built-in replaceable functional element according to claim 1, wherein: the side face of the elastic key (1) is provided with a limit lug (111) or a limit clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810068612.2A CN108054037B (en) | 2018-01-24 | 2018-01-24 | Switch key with built-in patch type replaceable functional element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810068612.2A CN108054037B (en) | 2018-01-24 | 2018-01-24 | Switch key with built-in patch type replaceable functional element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054037A CN108054037A (en) | 2018-05-18 |
| CN108054037B true CN108054037B (en) | 2024-05-14 |
Family
ID=62124585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810068612.2A Active CN108054037B (en) | 2018-01-24 | 2018-01-24 | Switch key with built-in patch type replaceable functional element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108054037B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682583B (en) * | 2018-07-20 | 2023-10-03 | 桂林电子科技大学 | Surface mounting application key |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779581Y (en) * | 2005-01-12 | 2006-05-10 | 瑞达电子股份有限公司 | Modularization switch structure |
| CN103390335A (en) * | 2012-05-10 | 2013-11-13 | Lg伊诺特有限公司 | Communication module and lighting apparatus having the same |
| CN204441143U (en) * | 2015-01-30 | 2015-07-01 | 阳顺科技股份有限公司 | Independently can unload the sealed type panel button changed |
| CN105655173A (en) * | 2016-03-29 | 2016-06-08 | 桂林旭研机电科技有限公司 | Weld-leg internally-installed surface-mounted elastic key and manufacturing method thereof |
| CN105655174A (en) * | 2016-03-29 | 2016-06-08 | 郑建娜 | Luminous patch-type elastic button |
| JP5973631B1 (en) * | 2015-07-27 | 2016-08-23 | ▲チョ▼錦雄 | Capacitance type push-down key structure |
| CN208157288U (en) * | 2018-01-24 | 2018-11-27 | 桂林恒昌电子科技有限公司 | It is a kind of it is built-in can patch type replaceable function element switch key |
-
2018
- 2018-01-24 CN CN201810068612.2A patent/CN108054037B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779581Y (en) * | 2005-01-12 | 2006-05-10 | 瑞达电子股份有限公司 | Modularization switch structure |
| CN103390335A (en) * | 2012-05-10 | 2013-11-13 | Lg伊诺特有限公司 | Communication module and lighting apparatus having the same |
| CN204441143U (en) * | 2015-01-30 | 2015-07-01 | 阳顺科技股份有限公司 | Independently can unload the sealed type panel button changed |
| JP5973631B1 (en) * | 2015-07-27 | 2016-08-23 | ▲チョ▼錦雄 | Capacitance type push-down key structure |
| CN105655173A (en) * | 2016-03-29 | 2016-06-08 | 桂林旭研机电科技有限公司 | Weld-leg internally-installed surface-mounted elastic key and manufacturing method thereof |
| CN105655174A (en) * | 2016-03-29 | 2016-06-08 | 郑建娜 | Luminous patch-type elastic button |
| CN208157288U (en) * | 2018-01-24 | 2018-11-27 | 桂林恒昌电子科技有限公司 | It is a kind of it is built-in can patch type replaceable function element switch key |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108054037A (en) | 2018-05-18 |
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