CN108305807A - Key board unit - Google Patents
Key board unit Download PDFInfo
- Publication number
- CN108305807A CN108305807A CN201710020984.3A CN201710020984A CN108305807A CN 108305807 A CN108305807 A CN 108305807A CN 201710020984 A CN201710020984 A CN 201710020984A CN 108305807 A CN108305807 A CN 108305807A
- Authority
- CN
- China
- Prior art keywords
- button
- bottom plate
- sound insulation
- circulating type
- type sound
- 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.)
- Withdrawn
Links
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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
- H01H13/7065—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards
-
- 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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/024—Spacer elements
Landscapes
- Push-Button Switches (AREA)
Abstract
The present invention provides a kind of key board unit, button bottom plate including light guide plate, above light guide plate, the button for being connected to button bottom plate, the film circuit board being set between button and button bottom plate and the multiple circulating type sound insulation bodies for corresponding to multiple buttons, and each circulating type sound insulation body is set on light guide plate, button bottom plate or the film circuit board, and an enclosed space is formed with the keycap of corresponding button after moving down relative to button bottom plate to touched in corresponding keycap.
Description
Technical field
The present invention relates to the field of input unit more particularly to a kind of key board units.
Background technology
The input unit of common computer peripheral includes mouse apparatus, key board unit and Trackball device etc., wherein key
Disk device is available for users to directly is input to computer by word and symbol, therefore is quite taken seriously.
The structure and function for illustrating existing key board unit 1 first, please refer to Fig.1~Fig. 3, and Fig. 1 is existing key board unit
Surface structure schematic diagram, Fig. 2 be Fig. 1 shown in key board unit part-structure in the perspective exploded view at a visual angle, Fig. 3 is
The part-structure of key board unit shown in Fig. 1 is in the perspective exploded view at an another visual angle.In order to more clearly illustrate, Fig. 2 with
Single key 10 ' and related elements structure are only drawn in Fig. 3.Existing key board unit 1 includes multiple buttons 10,10 ', button bottom
Plate 11 and film circuit board 12, and there are the multiple thin film switches for corresponding to multiple buttons 10,10 ' on film circuit board 12
121, and button 10,10 ' includes keycap 101, scissor connecting element 102 and elastomer 103, scissor connecting element 102
It is then connected between keycap 101 and button bottom plate 11, and includes the first frame 1021 and be articulated in the first frame 1021
Second frame 1022, therefore the first frame 1021 can be swung opposite to each other with the second frame 1022.In addition, elastomer 103 is arranged
Between keycap 101 and button bottom plate 11, and there is top 1031.
Wherein, when moving down relative to button bottom plate 11 when the keycap 101 of any button 10,10 ' is touched, scissors
First frame 1021 of formula connecting element 102 and the second frame 1022 can be changed to closed state by folding condition, and toward moving down
Dynamic keycap 101 can squeeze elastomer 103, so that the top 1031 of elastomer 103 is supported and trigger corresponding thin film switch
121, and key board unit 1 is made to generate corresponding push button signalling.And when button 10,10 ' is no longer touched, keycap 101 can be because
It answers the elastic force of elastomer 103 and is up moved relative to button bottom plate 11, at this time the first frame 1021 and the second frame 1022
Can folding condition be changed to by closed state, and keycap 101 can set back.
Furthermore certain length L1 more than width W1 button 10 ' further include the first balancing pole 104, the second balancing pole 105 with
And stiffener 106, stiffener 106 is disposed on the bottom of keycap 101 and is bent to the body of rod of rectangle, to increase keycap 101
Intensity, phenomena such as avoiding being deformed when 101 stress of keycap, rock, and the first balancing pole 104 includes first crossbar portion 1041
And two first hook parts 1042 at the both ends of the first balancing pole 104 are located at, and the second balancing pole 105 includes second crossbar
Portion 1051 and be located at the second balancing pole 105 both ends two the second hook parts 1052.Also, button bottom plate 11 include then to
On extend across the first connection structure 111 and the second connection structure 112 of film circuit board 12, and the first connection structure
111, which have first to hook hole 1111 and third, hooks hole 1112, and the second connection structure 112 has and corresponds to the first hook hole respectively
1111 and third hook hole 1112 second hook hole 1121 and the 4th hook hole 1122.
Wherein, the first crossbar portion 1041 of the first balancing pole 104 and the second crossbar portion 1051 of the second balancing pole 105 divide
It is not articulated in the keycap 101 of button 10 ', and two the first hook parts 1042 of the first balancing pole 104 are each passed through the first connection knot
The first of structure 111 hooks the second of hole 1111 and the second connection structure 112 and hooks hole 1121, and two of the second balancing pole 105 the
The third that two hook parts 1052 are each passed through the first connection structure 111 hooks hole 1112 and the 4th hook hole of the second connection structure 112
1122.In addition, the first balancing pole 104, the second balancing pole 105, stiffener 106 and button bottom plate 11 are all made by metal material
At.
Referring to Fig. 4, it is the first balancing pole of key board unit and the illustrative view of the second balancing pole shown in Fig. 1.
When the keycap 101 of button 10 ' is relative to button bottom plate 11 up or when moving down, the first balancing pole 104 can towards direction D11 or
Direction D12 is moved repeatedly, and is overturn towards direction D13 or direction D14, and similarly, the second balancing pole 105 also can be towards direction D11 or side
Move repeatedly to D12, and overturn towards direction D13 or direction D14, the purpose so designed is, make button 10 ' in relative to by
Key bottom plate 11 can up or when moving down keep balancing and will not tilting, while can also increase the intensity of keycap 101.
However, the shortcomings that existing key board unit 1, is, when the keycap 101 of any button 10,10 ' it is touched and relative to
Button bottom plate 11 will produce many sounds when moving down.For example, the first frame 1021 of scissor connecting element 102 and
The process that two frames 1022 are changed to closed state by folding condition will produce the sound；In another example keycap 101, the first balancing pole
104 first crossbar portion 1041, the second crossbar portion 1051 of the second balancing pole 105 and stiffener 106 can because with wiring thin film
Plate 12 hits and generates the sound, especially when being passed down to button bottom plate 11 because of kinetic energy caused by shock；For another example the
The first connection structure 111 that two the first hook parts 1042 of one balancing pole 104 are passed through with it respectively first hook hole 1111 with
And second connection structure 112 second hook hole 1121 and generate the sound, two the second hook parts 1052 of the second balancing pole 105 respectively with
The third of its first connection structure 111 passed through hooks hole 1112 and the 4th hook hole 1122 of the second connection structure 112 and generates
The sound.But the above-mentioned sound is all discordant noise for user.Therefore, existing key board unit 1 has improvement
Space.
Invention content
The main purpose of the present invention is to provide a kind of key board units with noise reduction function, in light guide plate, button bottom
Setting corresponds to multiple circulating type sound insulation bodies of multiple buttons on plate or film circuit board, so as to reducing the keycap of any button
The strike note generated after moving down relative to button bottom plate, meanwhile, the keycap of any button can also be with corresponding circulating type
The generated sound is toward outside enclosed space when sound insulation body forms enclosed space to block each element start in enclosed space
It transmits, therefore the noise experienced when user's operation keyboard device can be reduced, and then the operation for promoting user is comfortable
Degree.
In a preferred embodiment, the present invention provides a kind of key board unit, including：
Multiple buttons；Wherein, each button includes a keycap；
One button bottom plate is connected to for multiple button on the button bottom plate；
One film circuit board is set between multiple keycaps and the button bottom plate, and include correspond to it is multiple
Multiple thin film switches of button；And
Multiple circulating type sound insulation bodies correspond to multiple button and are set to the button bottom plate or the film circuit board
On；Wherein, each circulating type sound insulation body is to touched in the corresponding keycap and relative to the button bottom plate toward moving down
After dynamic an enclosed space is formed with the corresponding keycap.
In a preferred embodiment, the present invention also provides a kind of key board unit, including：
Multiple buttons；Wherein, each button includes a keycap；
One button bottom plate is connected to for multiple button on the button bottom plate；
One film circuit board is set between multiple keycaps and the button bottom plate, and include correspond to it is multiple
Multiple thin film switches of button；
One light guide plate is set to the lower section of the button bottom plate, more the light beam received is provided to this upwards
A button；And
Multiple circulating type sound insulation bodies correspond to multiple button and are set on the light guide plate, and multiple circulating type
Sound insulation body extends upward through the button bottom plate and the film circuit board；Wherein, each circulating type sound insulation body is in phase
The corresponding keycap is touched and forms a closed sky with the corresponding keycap after moving down relative to the button bottom plate
Between.
The advantages of key board unit provided by the invention and advantageous effect are：The key board unit of the present invention only need to be in leaded light
The multiple circulating type sound insulation bodies formed on plate, button bottom plate or film circuit board corresponding to multiple buttons can reduce any press
The strike note that the keycap of key generates after moving down relative to button bottom plate, meanwhile, the keycap of any button can also with it is corresponding
Circulating type sound insulation body when forming enclosed space to block each element start in enclosed space the generated sound toward closing
It is transmitted outside formula space, therefore the noise experienced when user's operation keyboard device can be reduced, and then promote user's
Operational comfort, therefore great industrial utilization.
Description of the drawings
Fig. 1 is the surface structure schematic diagram of existing key board unit.
Fig. 2 is the part-structure of key board unit 1 shown in Fig. 1 in the perspective exploded view at a visual angle.
Fig. 3 is the part-structure of key board unit shown in Fig. 1 in the perspective exploded view at an another visual angle.
Fig. 4 is the first balancing pole of key board unit and the illustrative view of the second balancing pole shown in Fig. 1.
Fig. 5 is key board unit of the present invention in the surface structure schematic diagram of one first preferred embodiment.
Fig. 6 is the part-structure of key board unit shown in Fig. 5 in the perspective exploded view at a visual angle.
Fig. 7 is the part-structure of key board unit shown in Fig. 5 in the perspective exploded view at an another visual angle.
Fig. 8 is the perspective exploded view of the film circuit board of key board unit shown in Fig. 5.
Fig. 9 is connecting element, the illustrative view of the first balancing pole, the second balancing pole of key board unit shown in Fig. 5.
Figure 10 is the conceptual schematic view that the keycap of the button of key board unit shown in Fig. 5 is not touched.
Figure 11 is the conceptual schematic view after the keycap of the button of key board unit shown in Fig. 5 is touched.
Figure 12 is key board unit of the present invention in button bottom plate, film circuit board and the circulating type of one second preferred embodiment
The part-structure side view of sound insulation body.
Figure 13 is key board unit of the present invention in the film circuit board and circulating type sound insulation body of a third preferred embodiment
Part-structure side view.
Figure 14 is key board unit of the present invention in the film circuit board and circulating type sound insulation body of one the 4th preferred embodiment
Part-structure side view.
Figure 15 is the concept signal that key board unit of the present invention is not touched in the keycap of the button of one the 5th preferred embodiment
Figure.
Figure 16 is the light guide plate of key board unit, button bottom plate, film circuit board and circulating type sound insulation body shown in Figure 15
Part-structure side view.
Reference sign：
1 key board unit 2A key board units
10 button of 2E key board units
10 ' button, 11 button bottom plate
12 film circuit board, 20 button
20 ' button 21A button bottom plates
21B button bottom plate 21E button bottom plates
22A film circuit board 22B film circuit boards
22C film circuit board 22D film circuit boards
22E film circuit board 23A circulating type sound insulation bodies
23B circulating type sound insulation body 23C circulating type sound insulation bodies
23D circulating type sound insulation body 23E circulating type sound insulation bodies
24 light guide plate, 101 keycap
102 scissor connecting element, 103 elastomer
104 first balancing pole, 105 second balancing pole
106 stiffener, 111 first connection structure
112 second connection structure, 121 thin film switch
201 keycap, 202 connecting element
203 elastomer, 204 first balancing pole
205 second balancing pole, 206 stiffener
211 first connection structure, 212 second connection structure
213 first hook, 214 second hook
215 first elastic shock-suction body, 216 second elastic shock-suction body
The 4th elastic shock-suction body of 217 third elastic shock-suction body 218
221 thin film switch 222A topmost thin films
222C topmost thin film 222D topmost thin films
223A lower film 223C lower films
Layer film in layer film 224C in 224A
1,021 first frame of layer film in 224D
1022 second frame, 1031 top
1041 first crossbar portion, 1,042 first hook part
1051 second crossbar portion, 1,052 second hook part
1111 first, which hook hole 1,121 second, hooks hole
1112 thirds hook hole 1122 the 4th and hook hole
2011 connecting element clamping part, 2012 connecting element hook part
2013 first balancing pole clamping part, 2,014 second balancing pole clamping part
2015 stiffener clamping part, 2,021 first frame
2022 second frame, 2031 top
2041 first crossbar portion, 2,042 first hook part
2051 second crossbar portion, 2,052 second hook part
2111 first, which hook 2112 third of hole, hooks hole
2121 second, which hook hole 2122 the 4th, hooks hole
2221 first circuit pattern, 2231 second circuit pattern
2222 contacts of upper contact 2232 times
2241 directions contact trepanning D11
The directions the D12 directions D13
The directions the D14 directions D21
The directions the D22 directions D23
The directions the D24 directions D25
The directions the D26 directions D27
The directions D28 L1 length
L2 length W1 width
W2 width
Specific implementation mode
Please referring to Fig. 5~Fig. 7, Fig. 5 is key board unit of the present invention in the surface structure schematic diagram of one first preferred embodiment,
Fig. 6 is the part-structure of key board unit shown in Fig. 5 in the perspective exploded view at a visual angle, and Fig. 7 is key board unit shown in Fig. 5
Part-structure is in the perspective exploded view at an another visual angle.In order to more clearly illustrate, only drawn in Fig. 6 and Fig. 7 it is single by
Key 20 ' and related elements structure.Key board unit 2A include multiple buttons 20,20 ', button bottom plate 21A and be set to button 20,
Film circuit board 22A between 20 ' and button bottom plate 21A, those buttons 20,20 ' can be classified as general key, number key and
Function key etc., respectively for user with finger presses and the corresponding button 20 of key board unit 2A generations, 20 ' signals is made to give electricity
Brain, and then computer is made to execute corresponding function, such as general key to symbols such as inputting English letters, number key is inputting
Number, and function key is then providing various shortcut functions, such as F1~F12 etc..
Furthermore it please synchronize refering to Fig. 8, be the perspective exploded view of the film circuit board of key board unit shown in Fig. 5.It is thin
Film wiring board 22A includes the multiple films being layered on top of each other.In this preferred embodiment, multiple films include topmost thin film 222A with
And the lower surface of lower film 223A, topmost thin film 222A have the first circuit pattern 2221, and on the first circuit pattern 2221
With the multiple upper contacts 2222 for corresponding respectively to multiple buttons 20,20 ', and the upper surface of lower film 223A has the second electricity
Road pattern 2231, and there are the multiple lower contacts 2232 for corresponding respectively to multiple upper contacts 2222 on second circuit pattern 2231；
Wherein, between the lower contact 2232 of each upper contact 2222 corresponding thereto have spacing distance, and with corresponding lower contact
2232 are collectively formed a thin film switch 221.And in order to make to have between the lower contact 2232 of each upper contact 2222 corresponding thereto
It further includes middle layer film 224A to have spacing distance, film circuit board 22A, is set to topmost thin film 222A and lower film 223A
Between, and middle layer film 224A has the multiple contact trepannings for corresponding respectively to multiple upper contacts 2222 and multiple lower contacts 2232
2241.Preferably, but not limited to this, any one of topmost thin film 222A, lower film 223A and middle layer film 224A
It all can be by makrolon (PC) material, polyethylene terephthalate (PET) material, acryl plastic cement (PMMA) material, poly- ammonia
Made by ester (Polyurethane, PU) material or polyimides (Polyimide, PI) material.
Also, each button 20,20 ' includes keycap 201, connecting element 202 and elastomer 203, and connecting element 202 connects
It is connected between keycap 201 and button bottom plate 21A, to make keycap 201 that can be moved up and down relative to button bottom plate 21A, and bullet
Property body 203 be then set between keycap 201 and button bottom plate 21A, and have a top 2031.In this preferred embodiment,
Connecting element 202 is scissor connecting element, and includes the first frame 2021 and be articulated in the second frame of the first frame 2021
Frame 2022, therefore the first frame 2021 can be swung opposite to each other with the second frame 2022, and each keycap 201 includes connecting element
Clamping part 2011 and connecting element hook part 2012, and button bottom plate 21A includes upwardly extending and passing through film circuit board 22A
The first hook 213 and the second hook 214；Wherein, one end of the first frame 2021 is connected to the connecting element card of keycap 201
Buckle 2011, and its other end is then connected to the second hook 214 of button bottom plate 21A, and one end of the second frame 2022 then connects
It is connected to the connecting element hook part 2012 of keycap 201, and its other end is then connected to the first hook 213 of button bottom plate 21A.When
So, a state sample implementation is above are only, is not limited between connecting element 202 of the present invention, button bottom plate 21A and keycap 201 with this
Connection relationship.
It is the connecting element of key board unit, the first balancing pole, the second balance shown in Fig. 5 that please synchronize refering to Fig. 8 and Fig. 9, Fig. 9
The illustrative view of bar.When moving down relative to button bottom plate 21A when the keycap 201 of any button 20,20 ' is touched,
First frame 2021 of connecting element 202 and the second frame 2022 can be changed to closed state by folding condition, and as shown in Figure 9 the
One frame 2021 is overturn toward direction D28, and the second frame 2022 is overturn toward direction D25, and the keycap 201 to move down can squeeze bullet
Property body 203, makes the top 2031 of elastomer 203 support and triggers corresponding upper contact 2222, and then keep its corresponding
Upper contact 2222 contacts corresponding lower contact 2232 via corresponding contact trepanning 2241, enables corresponding film whereby
Switch 221, which is reached, to electrically conduct, so that key board unit 2A generates corresponding push button signalling.And when the keycap of button 20,20 '
201 it is no longer touched when, keycap 201 can up be moved in response to the elastic force of elastomer 203 relative to button bottom plate 21A, this
When the first frame 2021 and the second frame 2022 can folding condition, the first frame 2021 as shown in Figure 9 be changed to by closed state
It is overturn toward direction D27, the second frame 2022 is overturn toward direction D26, and keycap 201 can set back.
Referring once again to Fig. 6, Fig. 7 and Fig. 9, buttons 20 ' of certain length L2 more than width W2 further includes the first balancing pole
204, the second balancing pole 205 and stiffener 206, stiffener 206 are disposed on the bottom of keycap 201 and are bent to the bar of rectangle
Body, to increase the intensity of keycap 201, phenomena such as avoiding being deformed when 201 stress of keycap, rock, and the first balancing pole 204
Two the first hook parts 2042 including first crossbar portion 2041 and the both ends for being located at the first balancing pole 204, and second is flat
Weighing apparatus bar 205 includes second crossbar portion 2051 and is located at two second hook parts 2052 at the both ends of the second balancing pole 205.
Also, the keycap 201 of buttons 20 ' of those length L2 more than width W2 further include with passed through for first crossbar portion 2041 and with the
Multiple first balancing pole clamping parts 2013 that one cross bar portion 2041 is articulated, with passed through for second crossbar portion 2051 and with second
Multiple second balancing pole clamping parts 2014 that cross bar portion 2051 is articulated and with so that stiffener 206 is fixed on keycap 201
Multiple stiffener clamping parts 2015.
In addition, button bottom plate 21A further include upwardly extend and across film circuit board 22A the first connection structure 211 with
And second connection structure 212, and the first connection structure 211 has first to hook hole 2111 and third hooks hole 2112, and second connects
Binding structure 212 has correspond to the first hook hole 2111 and third hook hole 2112 respectively second to hook the hook of hole 2121 and the 4th
Hole 2122, wherein two the first hook parts 2042 of the first balancing pole 204 are each passed through the first hook hole of the first connection structure 211
2111 and second connection structure 212 second hook hole 2121, and two the second hook parts 2052 of the second balancing pole 205 are worn respectively
The third for crossing the first connection structure 211 hooks hole 2112 and the 4th hook hole 2122 of the second connection structure 212.
When the keycap 201 of button 20 ' is relative to button bottom plate 21A up or when moving down, the first balancing pole 204 can court
Direction D21 or direction D22 are moved repeatedly, and are overturn towards direction D23 or direction D24, and its first crossbar portion 2041 also can be opposite
It is rotated in multiple first balancing pole clamping parts 2013 of keycap 201, similarly, the second balancing pole 205 also can be towards direction D21 or direction
D22 is moved repeatedly, and is overturn towards direction D23 or direction D24, and its second crossbar portion 2051 also can be relative to the more of keycap 201
A second balancing pole clamping part 2014 rotates, and the purpose so designed is, make button 20 ' relative to button bottom plate 21A up
Or can be kept when moving down balance and will not tilt, while can also structure increase keycap 201 intensity.
It illustrates, the button bottom plate 21A of key board unit 2A further includes multiple circulating type sound insulation body 23A, and in this
In preferred embodiment, those multiple circulating type sound insulation body 23A can be made by elastic shock-suction material, such as silicon rubber (silicone
Rubber) material or pressure-sensing glue (Pressure Sensitive Adhesive, PSA) material etc., also can be made by sound-absorbing material
At.Preferably, but not limited to this, those circulating type sound insulation bodies 23A be by screen printing process, tampon-printing process, gluing process or
Gum attachment process and formed.
Furthermore those circulating type sound insulation bodies 23A is set to the upper surface of the topmost thin film 222A of film circuit board 22A, and
Each circulating type sound insulation body 23A also corresponds to the position of the keycap 201 corresponding to it and is arranged, and around corresponding first
Balancing pole 204, the second balancing pole 205, stiffener 206 and connecting element 202.Wherein, 0~Figure 11 refering to fig. 1 please be synchronize, is schemed
10 conceptual schematic views not being touched for the keycap of the button of key board unit shown in Fig. 5, Figure 11 are pressing for key board unit shown in Fig. 5
Conceptual schematic view after the keycap of key is touched.When the keycap 201 of any button 20,20 ' it is touched and relative to button bottom plate
After 21A moves down, keycap 201 can hit and touch corresponding circulating type sound insulation body 23A on film circuit board 22A,
To form enclosed space with corresponding circulating type sound insulation body 23A, at this point, circulating type sound insulation body 23A can absorb keycap 201
Kinetic energy and so that knockout process is buffered, and then reduce and be transmitted to the percussion sound of button bottom plate 21A, meanwhile, keycap 201 with
Corresponding circulating type sound insulation body 23A, which is formed by enclosed space, can block the generated sound in enclosed space.
Furthermore, it moves down relative to button bottom plate 21A when the keycap 201 of any button 20,20 ' is touched
Afterwards, keycap 201 is formed by enclosed space in addition to that can block scissor connecting element with corresponding circulating type sound insulation body 23A
202 the first frame 2021 and second sound produced by being changed to closed state from folding condition of frame 2022 are toward closed sky
Between it is outer transmit, can also block the first crossbar portion 2041 of the first balancing pole 204, the second crossbar portion 2051 of the second balancing pole 205
And stiffener 206 strikes the sound caused by film circuit board 22A toward transmission outside enclosed space, and it is flat also to have blocked first
What two the first hook parts 2042 of weighing apparatus bar 204 were passed through with it respectively the first of the first connection structure 211 hooks hole 2111 and the
The second of two connection structures 212 hooks the sound produced by hole 2121 toward transmission outside enclosed space, and it is flat similarly also to have blocked second
The third of the first connection structure 211 that two the second hook parts 2052 of weighing apparatus bar 205 are passed through with it respectively hooks hole 2112 and the
The 4th of two connection structures 212 hooks the sound produced by hole 2122 toward transmission outside enclosed space.
Please refer to Fig.1 2, be key board unit of the present invention in button bottom plate, the film circuit board of one second preferred embodiment
And the part-structure side view of circulating type sound insulation body.Wherein, the key board unit of the present embodiment is approximately similar to the present invention first
Content described in preferred embodiment is no longer repeated herein.And this preferred embodiment and aforementioned first preferred embodiment
The difference is that each circulating type sound insulation body 23B is provided on button bottom plate 21B and extends up through film circuit board
22B, and similarly, when any button (not shown, to please refer to Fig.1 0 and Figure 11) keycap (it is not shown, please refer to Fig.1 0 and figure
11) it is touched after moving down relative to button bottom plate 21B, keycap can hit and touch opposite on button bottom plate 21B
The circulating type sound insulation body 23B answered, to form enclosed space with corresponding circulating type sound insulation body 23B, at this point, circulating type sound insulation
Body 23B can absorb the kinetic energy of keycap and so that knockout process is buffered, and then reduces the knock for being transmitted to button bottom plate 21B
It rings, meanwhile, keycap, which with corresponding circulating type sound insulation body 23B is formed by enclosed space, can block in enclosed space and produced
The raw sound.
Please refer to Fig.1 3, be key board unit of the present invention in the film circuit board and circulating type of a third preferred embodiment
The part-structure side view of sound insulation body.Wherein, the key board unit of the present embodiment is approximately similar to the first preferred embodiment of the invention
Described in content, herein i.e. no longer repeated.And this preferred embodiment exists with aforementioned first preferred embodiment difference
In each circulating type sound insulation body 23C is provided in the upper surface of the lower film 223C of film circuit board 22C and upwardly extends and wears
Cross the middle layer film 224C and topmost thin film 222C of film circuit board 22C, and similarly, when any button (it is not shown, please refer to
Figure 10 and Figure 11) keycap it is (not shown, to please refer to Fig.1 0 and Figure 11) touched and relative to button bottom plate (it is not shown, please join
Read Figure 10 and Figure 11) move down after, keycap can hit and touch corresponding circulating type sound insulation on film circuit board 22C
Body 23C, to form enclosed space with corresponding circulating type sound insulation body 23C, at this point, circulating type sound insulation body 23C can absorb key
The kinetic energy of cap and so that knockout process is buffered, and then reduce and be transmitted to the percussion sound of button bottom plate, meanwhile, keycap and phase
Corresponding circulating type sound insulation body 23C, which is formed by enclosed space, can block the generated sound in enclosed space.
Please refer to Fig.1 4, be key board unit of the present invention in the film circuit board and circulating type of one the 4th preferred embodiment
The part-structure side view of sound insulation body.Wherein, the key board unit of the present embodiment is approximately similar to the first preferred embodiment of the invention
Described in content, herein i.e. no longer repeated.And this preferred embodiment exists with aforementioned first preferred embodiment difference
In each circulating type sound insulation body 23D is provided in the upper surface of the middle layer film 224D of film circuit board 22D and upwardly extends and wears
The topmost thin film 222D of film circuit board 22D is crossed, and similarly, when any button (not shown, to please refer to Fig.1 0 and Figure 11)
Keycap it is (not shown, to please refer to Fig.1 0 and Figure 11) touched and relative to button bottom plate (not shown, to please refer to Fig.1 0 and Figure 11)
After moving down, keycap can hit and touch corresponding circulating type sound insulation body 23D on film circuit board 22D, with phase
Corresponding circulating type sound insulation body 23D forms enclosed space, at this point, circulating type sound insulation body 23D can absorb the kinetic energy of keycap and makes
It obtains knockout process to be buffered, and then reduces the percussion sound for being transmitted to button bottom plate, meanwhile, keycap and corresponding circulating type
Sound insulation body 23D, which is formed by enclosed space, can block the generated sound in enclosed space.
Please refer to Fig.1 5 and Figure 16, Figure 15 be key board unit of the present invention in the button of one the 5th preferred embodiment keycap not
Touched conceptual schematic view, Figure 16 are the light guide plate of key board unit, button bottom plate, film circuit board shown in Figure 15 and surround
The part-structure side view of type sound insulation body.Wherein, it is preferably real to be approximately similar to the present invention first by the key board unit 2E of the present embodiment
The content described in example is applied, is no longer repeated herein.And this preferred embodiment it is different from aforementioned first preferred embodiment it
It is in key board unit 2E further includes the light guide plate 24 being set to below button bottom plate 21E, and light guide plate 24 is luminous first to receive
Light beam that part (not shown) is exported simultaneously is provided to multiple buttons 20,20 ' upwards, known to those skilled in the art
It knows, repeats no more herein, and each circulating type sound insulation body 23E is then provided in the upper surface of light guide plate 24 and upwardly extends and wears
Button bottom plate 21E and film circuit board 22E is crossed, and similarly, when the keycap 201 of any button 20,20 ' is touched and opposite
After button bottom plate 21E moves down, keycap 201 can hit and touch corresponding circulating type sound insulation body on light guide plate 24
23E, to form enclosed space with corresponding circulating type sound insulation body 23E, at this point, circulating type sound insulation body 23E can absorb keycap
201 kinetic energy and so that knockout process is buffered, and then reduce and be transmitted to the percussion sound of button bottom plate 21E, meanwhile, keycap
201 are formed by enclosed space with corresponding circulating type sound insulation body 23E can block the generated sound in enclosed space.
According to above explanation, key board unit of the present invention need to only be formed on light guide plate, button bottom plate or film circuit board
The keycap of any button can be reduced relative to button bottom plate toward moving down corresponding to multiple circulating type sound insulation bodies of multiple buttons
The strike note generated after dynamic, meanwhile, the keycap of any button can also form enclosed space with corresponding circulating type sound insulation body
The generated sound is toward transmission outside enclosed space when blocking each element start in enclosed space, therefore can reduce use
The noise experienced when person's operation keyboard device, and then the operational comfort of user is promoted, therefore great industrial utilization.
The foregoing is merely presently preferred embodiments of the present invention, is not limited to protection scope of the present invention, thus it is all its
It is intended to be limited solely by the patent protection of the present invention without departing from the lower equivalent change or modification completed of spirit disclosed in this invention
In range.
Claims (20)
1. a kind of key board unit, including：
Multiple buttons；Wherein, each button includes a keycap；
One button bottom plate is connected to for multiple buttons on the button bottom plate；
One film circuit board is set between multiple keycaps and the button bottom plate, and includes corresponding to multiple buttons
Multiple thin film switches；And
Multiple circulating type sound insulation bodies correspond to multiple buttons and are set on the button bottom plate or the film circuit board；Its
In, each circulating type sound insulation body move down relative to the button bottom plate to touched in the corresponding keycap after with
The corresponding keycap forms an enclosed space.
2. key board unit as described in claim 1, wherein each circulating type sound insulation body blocks itself and the corresponding keycap
It is formed by the generated sound in the enclosed space.
3. key board unit as described in claim 1, at least circulating type sound insulation body in the plurality of circulating type sound insulation body
It is formed by a screen printing process, a tampon-printing process, a gluing process or a gum attachment process.
4. key board unit as described in claim 1, at least circulating type sound insulation body in the plurality of circulating type sound insulation body
Made by an elastic shock-suction material or a sound-absorbing material.
5. key board unit as claimed in claim 3, the wherein at least one circulating type sound insulation body is by silicone rubber material or pressure-sensing glue
Made by material.
6. key board unit as described in claim 1, the wherein film circuit board further include the multiple films being layered on top of each other, and more
At least one circulating type sound insulation body in a circulating type sound insulation body is set to a upper surface of one of multiple films.
7. key board unit as claimed in claim 6, the plurality of film includes a topmost thin film and a lower film, and
It is provided with one first circuit pattern on the topmost thin film, and is provided with a second circuit pattern on the lower film；Wherein, first
Circuit pattern and second circuit pattern are respectively provided with multiple upper contacts and multiple lower contacts, and each upper contact and phase
There is a spacing distance between the corresponding lower contact and the thin film switch is collectively formed.
8. key board unit as claimed in claim 6, at least one of plurality of film is by makrolon material, poly- second
Alkene terephthalate material, acryl plastic cement material be made, polyurethane material or polyimides material are made.
9. key board unit as described in claim 1, at least circulating type sound insulation body in the plurality of circulating type sound insulation body
It is set on the button bottom plate and extends up through the film circuit board.
10. key board unit as described in claim 1, at least button in the plurality of button include by it is corresponding should
The circular balancing pole of circulating type sound insulation body, and the equalizer bar pivot is connected to the corresponding keycap, and one end of the balancing pole connects
It is connected to the button bottom plate；And/or at least button in multiple buttons includes a stiffener, and the stiffener is set to relatively
The bottom for the keycap answered.
11. key board unit as claimed in claim 10, wherein each balancing pole is including a cross bar portion and is located at the cross bar
One hook part of the one end in portion, and the cross bar portion is articulated in the corresponding keycap, and the button bottom plate include upwardly extend to
A few connection structure, and each connection structure has one to hook hole, is passed through for the hook part of the corresponding balancing pole.
12. key board unit as described in claim 1, at least button in the plurality of button include by it is corresponding should
The circular connecting element of circulating type sound insulation body, and the connecting element be connected to the button bottom plate and the corresponding keycap it
Between, and the corresponding keycap is made to be moved up and down relative to the button bottom plate.
13. a kind of key board unit, including：
Multiple buttons；Wherein, each button includes a keycap；
One button bottom plate is connected to for multiple buttons on the button bottom plate；
One film circuit board is set between multiple keycaps and the button bottom plate, and includes corresponding to multiple buttons
Multiple thin film switches；
One light guide plate is set to the lower section of the button bottom plate, to by the light beam received be provided to upwards it is multiple should be by
Key；And
Multiple circulating type sound insulation bodies correspond to multiple buttons and are set on the light guide plate, and multiple circulating type sound insulations
Body extends upward through the button bottom plate and the film circuit board；Wherein, each circulating type sound insulation body is in corresponding
The keycap it is touched and form an enclosed space with the corresponding keycap after moving down relative to the button bottom plate.
14. key board unit as claimed in claim 13, wherein each circulating type sound insulation body blocks itself and the corresponding key
Cap is formed by the generated sound in the enclosed space.
15. key board unit as claimed in claim 13, wherein at least circulating type sound insulation in multiple circulating type sound insulation body
Body is formed by a screen printing process, a tampon-printing process, a gluing process or a gum attachment process.
16. key board unit as claimed in claim 13, wherein at least circulating type sound insulation in multiple circulating type sound insulation body
Body is made by an elastic shock-suction material or a sound-absorbing material.
17. key board unit as claimed in claim 16, the wherein at least one circulating type sound insulation body is by silicone rubber material or pressure-sensitive
Made by glue material matter.
18. key board unit as claimed in claim 13, at least button in the plurality of button includes corresponding
The circular balancing pole of the circulating type sound insulation body, and the equalizer bar pivot is connected to the corresponding keycap, and one end of the balancing pole
It is connected to the button bottom plate；And/or at least button in multiple buttons includes a stiffener, and the stiffener is set to phase
The bottom of the corresponding keycap.
19. key board unit as claimed in claim 18, wherein each balancing pole is including a cross bar portion and is located at the cross bar
One hook part of the one end in portion, and the cross bar portion is articulated in the corresponding keycap, and the button bottom plate include upwardly extend to
A few connection structure, and each connection structure has one to hook hole, is passed through for the hook part of the corresponding balancing pole.
20. key board unit as claimed in claim 13, at least button in the plurality of button includes corresponding
The circular connecting element of the circulating type sound insulation body, and the connecting element is connected to the button bottom plate and the corresponding keycap
Between, and the corresponding keycap is made to be moved up and down relative to the button bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020984.3A CN108305807A (en) | 2017-01-11 | 2017-01-11 | Key board unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020984.3A CN108305807A (en) | 2017-01-11 | 2017-01-11 | Key board unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108305807A true CN108305807A (en) | 2018-07-20 |
Family
ID=62872141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710020984.3A Withdrawn CN108305807A (en) | 2017-01-11 | 2017-01-11 | Key board unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108305807A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282056Y (en) * | 2008-10-14 | 2009-07-29 | 精元电脑股份有限公司 | Mute structure of dustproof anti-draught keyboard |
| CN104347299A (en) * | 2013-08-05 | 2015-02-11 | 致伸科技股份有限公司 | Light emitting keyboard and light guide plate module thereof |
| CN204360974U (en) * | 2015-01-23 | 2015-05-27 | 群光电子(苏州)有限公司 | Press-key structure |
| US20160071664A1 (en) * | 2014-09-05 | 2016-03-10 | Apple Inc. | Button features of an electronic device |
| CN205303262U (en) * | 2016-01-21 | 2016-06-08 | 深圳市亿科德科技有限公司 | Mechanical keyboard switch |
| CN105938772A (en) * | 2016-06-22 | 2016-09-14 | 苏州达方电子有限公司 | Key |
-
2017
- 2017-01-11 CN CN201710020984.3A patent/CN108305807A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282056Y (en) * | 2008-10-14 | 2009-07-29 | 精元电脑股份有限公司 | Mute structure of dustproof anti-draught keyboard |
| CN104347299A (en) * | 2013-08-05 | 2015-02-11 | 致伸科技股份有限公司 | Light emitting keyboard and light guide plate module thereof |
| US20160071664A1 (en) * | 2014-09-05 | 2016-03-10 | Apple Inc. | Button features of an electronic device |
| CN204360974U (en) * | 2015-01-23 | 2015-05-27 | 群光电子(苏州)有限公司 | Press-key structure |
| CN205303262U (en) * | 2016-01-21 | 2016-06-08 | 深圳市亿科德科技有限公司 | Mechanical keyboard switch |
| CN105938772A (en) * | 2016-06-22 | 2016-09-14 | 苏州达方电子有限公司 | Key |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180720 |