CN110391097A - Key board unit and its manufacturing method - Google Patents
Key board unit and its manufacturing method Download PDFInfo
- Publication number
- CN110391097A CN110391097A CN201810359371.7A CN201810359371A CN110391097A CN 110391097 A CN110391097 A CN 110391097A CN 201810359371 A CN201810359371 A CN 201810359371A CN 110391097 A CN110391097 A CN 110391097A
- Authority
- CN
- China
- Prior art keywords
- key
- bottom plate
- keycap
- circuit board
- board unit
- 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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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
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
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- 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
- 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
- H01H13/88—Processes specially adapted for manufacture of rectilinearly movable switches having a plurality of operating members associated with different sets of contacts, e.g. keyboards
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
- H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
- H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/03—Sound
Landscapes
- Push-Button Switches (AREA)
Abstract
The present invention provides a kind of key board unit and a kind of manufacturing method of key board unit, key board unit includes key bottom plate, film circuit board and key, film circuit board is set to the top of key bottom plate and the thin film switch including corresponding to key, and the first colloid and the second colloid as made by identical material are provided on film circuit board, the elastomer of key is fixed on film circuit board by the first colloid, and the second colloid is in contact to the balancing pole with key.
Description
Technical field
The present invention relates to the field of input unit more particularly to a kind of key board units.
Background technique
The input unit of common computer peripheral includes mouse apparatus, key board unit 1 and Trackball device etc., wherein key
Disk device, which is available for users to, is directly input to computer for text and symbol, therefore is quite taken seriously.
The structure and function for illustrating known key board unit 1 first, please refer to FIG. 1 to FIG. 3, and Fig. 1 is known 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.Well known key board unit 1 includes key 10,10 ', key bottom plate 11
And film circuit board 12, and there are the multiple thin film switches 121 for corresponding to multiple keys 10,10 ' on film circuit board 12,
And key 10,10 ' includes keycap 101, scissor connecting element 102 and elastomer 103, scissor connecting element 102 then connects
It is connected between keycap 101 and key bottom plate 11, and including the first frame 1021 and is articulated in the second of the first frame 1021
Frame 1022, therefore the first frame 1021 can be swung opposite to each other with the second frame 1022.In addition, elastomer 103 is set to key
Between cap 101 and key bottom plate 11, and there is top 1031.
When moving down when the keycap 101 of any key 10,10 ' is touched relative to key bottom plate 11, scissor company
The first frame 1021 and the second frame 1022 for connecing element 102 can be changed to closed state by folding condition, and move down
Keycap 101 can squeeze elastomer 103, support the top 1031 of elastomer 103 and trigger corresponding thin film switch 121,
And key board unit 1 is made to generate corresponding push button signalling.And when key 10,10 ' is no longer touched, keycap 101 can be according to bullet
Property body 103 elastic force and up moved relative to key bottom plate 11, the first frame 1021 and the second frame 1022 can be by this time
Closed state is changed to folding condition, and keycap 101 can set back.
Furthermore the key that certain keys 10 ', such as certain length L1 are greater than width W1, further includes two balancing poles 104, and
Each balancing pole 104 includes two hook parts 1042 at cross bar portion 1041 and the both ends for being located at cross bar portion 1041.In addition, pressing
Key bottom plate 11 includes being set to the plate body 112 of 12 lower section of film circuit board and being upwardly extended by plate body 112 and and pass through film
Multiple connection structures 111 of wiring board 12, and there is perforation 1111 in each connection structure 111.Wherein, each balancing pole 104
Cross bar portion 1041 be articulated in the keycap 101 of key 10 ', and two hook parts 1042 of each balancing pole 104 are each passed through relatively
The perforation 1111 for the connection structure 111 answered.
Referring to Fig. 4, its illustrative view for the balancing pole of key board unit shown in Fig. 1.When the keycap 101 of key 10 '
Relative to key bottom plate 11 up or when moving down, balancing pole 104 can be towards direction D11, direction D12, direction D13 or direction
D14 is mobile, and overturns towards direction D15 or direction D16, and the purpose being designed in this way is, makes key 10 ' in relative to key bottom plate
11 up or when moving down are able to maintain balance and will not tilt, while can also increase the intensity of keycap 101.
It is well known, however, that the shortcomings that key board unit 1 is, since balancing pole 104 and key bottom plate 11 are all by metal material
It is made, therefore when the keycap of any key 10 ' 101 is touched and moves down relative to key bottom plate 11, balancing pole 104
Can because in key bottom plate 11 connection structure 111 or plate body 112 shock due to generate the sound, but such sound to user and
Speech is discordant noise.
In view of this, separately there is well-known technique to propose improvement plan.Referring to Fig. 5, its portion for another known key board unit
Separation structure schematic diagram, and key board unit disclosed in Fig. 5 is also for notification number
Key board unit disclosed in the TaiWan, China patent of invention of TWI598916.In key board unit 9 disclosed in Fig. 5,
Key board unit 9 further includes soft lid 911 and cushion 912, and soft lid 911 is set on key bottom plate 91 and and key
Multiple perforation 9111 are formed between bottom plate 911, and multiple perforation 9111 protrude into perforation for the hook part 9042 of balancing pole 904
In 9111, and cushion 912 is then set on the upper surface of key bottom plate 91 and is located in perforation 9111, to separate balancing pole
904 hook part 9042 and key bottom plate 91, wherein soft lid 911 and cushion 912 are all made by soft plastic material
At, therefore, when balancing pole 904 is touched according to keycap (not shown) and when actuation, do not had between metal in key board unit 9
Sound is hit, and then reaches the effect of reducing noise.
It is well known, however, that the shortcomings that key board unit 9, is as follows.Soft lid 911 and cushion 912 are all in a manner of adhesion
It is set to the upper surface of key bottom plate 91, therefore in technique, need to first glue and just be able to soft lid of adhering on key bottom plate 91
Body 911 and cushion 912, therefore seem complicated in technique.Furthermore it adheres to the soft lid 911 of key bottom plate 91 and delays
It rushes pad 912 to be easy to fall off, once the case where falling off, key board unit 9 is the effect of losing noise abatement.Further, since soft lid
Body 911 is such as rubber, therefore soft lid 911 to be easy to cause in the case where user frequently operates as made by soft plastic material
Rupture.
It can be propped up according to above explanation, well known key board unit still has improved space.
Summary of the invention
The main object of the present invention is provided with the first glue made by identical material on providing its film circuit board of one kind
The key board unit of body and the second colloid, the first colloid mainly allow the elastomer of key that can be fixed on film via the first colloid
On wiring board, and the second colloid be mainly used for solidification after provide key balancing pole actuation when buffering, so as to filling keyboard
Setting has the function of noise abatement.
In a preferred embodiment, the present invention provides a kind of key board unit, including a key bottom plate, a film circuit board and
One key.One film circuit board is set to the top of the key bottom plate, and including a thin film switch；One key include a keycap,
One balancing pole and an elastomer, and the balancing pole is connected between the keycap and the key bottom plate, and the elastomer is set to
Between the keycap and the film circuit board and there is a top, when the keycap is touched, which is compressed and make this
The thin film switch is supported in top, and when the keycap is no longer touched, which provides an elastic force and give the keycap and make this
Keycap sets back；
Wherein, be provided with one first colloid and one second colloid on the film circuit board, first colloid and this
Two colloids are as made by identical material, and the elastomer is fixed on the film circuit board by first colloid, and are somebody's turn to do
Second colloid with the balancing pole to be in contact.
In a preferred embodiment, the present invention also provides a kind of manufacturing method of key board unit, comprising:
(P1) in one first seep through region of formation and one second seep through region on a web plate；
(P2) web plate is placed in the top of the film circuit board；And
(P3) coating colloid is in making corresponding at the first seep through region on the film circuit board on the web plate
It forms first colloid and corresponding at the second seep through region on the film circuit board is made to form second colloid.
The beneficial effects of the present invention are the keycap of key up or moves down relative to key bottom plate and to balance
When bar carries out actuation, the second colloid on film circuit board can cushioning balance bar shock, therefore key board unit generation can be reduced and hit
The sound that hits and achieve the effect that noise reduction.
Detailed description of the invention
Fig. 1: for the surface structure schematic diagram of known key board unit.
Fig. 2: for key board unit shown in Fig. 1 part-structure in the perspective exploded view at a visual angle.
Fig. 3: for key board unit shown in Fig. 1 part-structure in the perspective exploded view at an another visual angle.
Fig. 4: for the illustrative view of the balancing pole of key board unit shown in Fig. 1.
Fig. 5: for the partial structure diagram of another known key board unit.
Fig. 6: being key board unit of the present invention in the surface structure schematic diagram of a preferred embodiment.
Fig. 7: for key board unit shown in Fig. 6 part-structure in the perspective exploded view at a visual angle.
Fig. 8: for key board unit shown in Fig. 6 part-structure in the perspective exploded view at an another visual angle.
Fig. 9: for the perspective exploded view of the film circuit board of key board unit shown in Fig. 6.
Figure 10: for the structural schematic diagram after assembling of key bottom plate and film circuit board of key board unit shown in Fig. 6.
Figure 11: for the illustrative view of the balancing pole of key board unit shown in Fig. 6.
Figure 12: for a preferable schematic block follow diagram of the manufacturing method of key board unit of the present invention.
Figure 13: for the preferable conceptual schematic view for executing method shown in Figure 12.
Figure 14: being key board unit of the present invention in key bottom plate, film circuit board and the balance of an another preferred embodiment
Structural schematic diagram of the bar after assembling.
Appended drawing reference is as follows:
1 key board unit, 2 key board unit
3 web plate, 4 colloid
9 key board unit, 10 key
10 ' key, 11 key bottom plate
12 film circuit board, 20 key
20 ' key, 21 key bottom plate
22 film circuit board, 31 first seep through region
32 second seep through region, 33 screen cloth
The scissor connecting element of 101 keycap 102
103 elastomer, 104 balancing pole
111 connection structure, 121 thin film switch
201 keycap, 202 connecting element
203 elastomer, 204 balancing pole
211 connection structure, 212 plate body
213 first bottom plate hook, 214 second bottom plate hook
221 thin film switch, 222 topmost thin film
Layer film in 223 lower films 224
225 extension, 226 first colloid
227 second colloid, 904 balancing pole
911 soft 912 cushions of lid
1021 first frame, 1,022 second frame
1031 top, 1041 cross bar portion
The perforation of 1042 hook parts 1111
The 2011 movable hooks of fixed hook 2012
2013 balancing pole clamping part, 2,021 first frame
2022 second frame, 2031 top
2041 cross bar portion, 2042 hook part
2111 2,221 first circuit patterns of perforation
2222 upper contact, 2231 second circuit pattern
2232 lower 2241 contact apertures of contact
2251 extend 9042 hook part of protrusion
The first end of 9111 20,211 first frames of perforation
The first end of 20,221 second frame of second end of 20212 first frames
The direction second end D11 of 20222 second frames
The direction the D12 direction D13
The direction the D14 direction D15
The direction the D16 direction D21
The direction the D22 direction D23
The direction the D24 direction D25
The direction the D26 direction D27
The direction D28 L1 length
L2 length P1 step
P2 step P3 step
W1 width W2 width
Specific embodiment
Fig. 6~Fig. 8 is please referred to, Fig. 6 is key board unit of the present invention in the surface structure schematic diagram of a preferred embodiment, Fig. 7
For key board unit shown in Fig. 6 part-structure in the perspective exploded view at a visual angle, Fig. 8 is the portion of key board unit shown in Fig. 6
Separation structure is in the perspective exploded view at an another visual angle.In order to more clearly illustrate, Fig. 7 and Fig. 8 and following other diagrams
All only draw single key 20 ' and related elements structure.Key board unit 2 include multiple keys 20,20 ', key bottom plate 21 and
Film circuit board 22, multiple keys 20,20 ' can be classified as general key, number key and function key etc., respectively for user
With finger presses and so that key board unit 2 is generated corresponding push button signalling and gives computer, and then computer is made to execute corresponding function,
Such as general key, to symbols such as inputting English letters, number key is to input number, and function key is then various fast to provide
Prompt function, such as F1~F12 etc..
Furthermore it please synchronize refering to Fig. 9, be the perspective exploded view of the film circuit board of key board unit shown in Fig. 6,
In, to make Fig. 9 clearly show that each layer structure, the thickness of each film in Fig. 7 is only to illustrate, and only draw on single and connect in Fig. 7
Point, single lower contact and single contact aperture.Film circuit board 22 includes topmost thin film 222, the lower film 223 being layered on top of each other
And middle layer film 224, the lower surface of topmost thin film 222 have the first circuit pattern 2221, and on the first circuit pattern 2221
With the multiple upper contacts 2222 for corresponding respectively to key 20,20 ', and the upper surface of lower film 223 has second circuit figure
Case 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, and with the common shape of corresponding lower contact 2232
At a thin film switch 221.And in order to make to have between the lower contact 2232 of each upper contact 2222 corresponding thereto spacing, middle layer is thin
Film 224 is set between topmost thin film 222 and lower film 223, and middle layer film 224 have correspond respectively to multiple upper contacts
2222 and multiple lower contacts 2232 multiple contact apertures 2241.Preferably, but not limited to this, and topmost thin film 222, lower layer are thin
Any of film 223 and middle layer film 224 all can be by polycarbonate (PC) materials, polyethylene terephthalate (PET)
Material, acryl plastic cement (PMMA) material, polyurethane (Polyurethane, PU) material or polyimides (Polyimide, PI)
Made by material.
In addition, each key 20,20 ' includes keycap 201, connecting element 202 and elastomer 203, and connecting element 202
It is connected between keycap 201 and key bottom plate 21, move up and down keycap 201 can relative to key bottom plate 21, and bullet
Property body 203 be then set between keycap 201 and key bottom plate 21, and have a top 2031.In this preferred embodiment, key
The lower surface of cap 201 also has the fixation hook 2011 being oppositely arranged and movable hook 2012, and connecting element 202 is scissors
Formula connecting element, and including the first frame 2021 and it is articulated in the second frame 2022 of the first frame 2021, and the first frame
2021 and second frame 2022 be respectively inner frame and outer framework.
Furthermore key bottom plate 21 includes being set to the plate body 212 of 22 lower section of film circuit board and being prolonged upwards by plate body 212
Stretch and pass through the first bottom plate hook 213 and the second bottom plate hook 214 of film circuit board 22.Wherein, first frame 2021
First end 20211 and second end 20212 are connected to the fixation hook 2011 of keycap 201 and the second bottom plate of key bottom plate 21
Hook 214, and the first end 20221 of the second frame 2022 and second end 20222 are connected to the first bottom of key bottom plate 21
Board hooks the movable hook 2012 of 213 with keycap 201, is designed based on above-mentioned structure, the first frame 2021 and the second frame
2022 can swing opposite to each other and be converted to folding condition by closed state or be converted to closed state by folding condition.But
It above are only an embodiment, the company between connecting element 202 of the present invention, key bottom plate 21 and keycap 201 do not limited with this
Connect relationship.
When moving down when the keycap 201 of any key 20,20 ' is touched relative to key bottom plate 21, connecting element
The keycap 201 that 202 the first frame 2021 and the second frame 2022 can be changed to closed state, and be moved down by folding condition
Elastomer 203 can be squeezed, the top 2031 of elastomer 203 is supported and triggers corresponding upper contact 2222, and then is made
Its corresponding upper contact 2222 contacts corresponding lower contact 2232 via corresponding contact aperture 2241, thus enables phase
Corresponding thin film switch 221, which is reached, to electrically conduct, so that key board unit 2 generates corresponding push button signalling.And when key 20,
When 20 ' keycap 201 is no longer touched, keycap 201 can according to the elastic force of elastomer 203 and up relative to key bottom plate 21
Mobile, the first frame 2021 and the second frame 2022 can be changed to folding condition by closed state at this time, and keycap 201 can restore
It is in situ.
Referring once again to Fig. 6~Fig. 8, certain key 20 ' (key that such as length L2 is greater than width W2) further includes two
Balancing pole 204, and each balancing pole 204 is connected between key 20 ' and key bottom plate 21, and including cross bar portion 2041 and is divided
Not Wei Yu cross bar portion 2041 both ends two hook parts 2042.In addition, the keycap 201 of multiple keys 20 ' further includes being located at keycap
The balancing pole clamping part 2013 of 201 lower surface, and the cross bar portion 2041 of each balancing pole 204 passes through corresponding keycap 201
Balancing pole clamping part 2013 to be articulated with corresponding keycap 201, and key bottom plate 21 further includes being prolonged upwards by plate body 212
Multiple connection structures 211 of film circuit board 22 are stretched and pass through, and each connection structure 211 has a perforation 2111, wherein more
The hook part 2042 of a balancing pole 204 is each passed through the perforation 2111 of corresponding connection structure 211.
It please synchronize refering to Fig. 9, the film circuit board 22 of key board unit 2 of the present invention further includes past respectively from lower film 223
Multiple extensions 225 that the direction of multiple connection structures 211 extends, and each extension 225 has the side from perforation 2111
Extend protrusion 2251 toward the other side of perforation 2111.But above are only an embodiment, multiple extensions 225 are not
It limits from lower film 223 and extends respectively toward the direction of multiple connection structures 211, multiple extensions 225 can also be changed design
Extend respectively toward the direction of multiple connection structures 211 for therefrom layer film 224 or topmost thin film 222.
Multiple first colloids 226 and multiple second colloids are additionally provided with furthermore in the present invention, on film circuit board
227, in order to more clearly illustrate, Fig. 7, Fig. 9 and following other diagrams all only draw single the first colloid and partial
Second colloid.The position of multiple first colloids 226 is the position for corresponding to the elastomer 203 of multiple keys 20,20 ' respectively
It sets, mainly allows elastomer 203 that can be fixed on film circuit board 22 via the first colloid 226, and multiple second colloids 227
It is then that position is mainly used for providing buffering when 204 actuation of balancing pole after solidifying, this will on multiple extensions 225 respectively
It is described in detail in later.
Figure 10 and Figure 11 are please referred to, the key bottom plate and film circuit board that Figure 10 is key board unit shown in Fig. 6 are after assembling
Structural schematic diagram, Figure 11 be Fig. 6 shown in key board unit balancing pole illustrative view.For clear signal, Figure 10 and figure
The elements such as keycap 201, connecting element 202 and elastomer 203 are not drawn in 11.When the keycap 201 of key 20 ' is relative to key
Up or when moving down, each balancing pole 204 can move repeatedly bottom plate 21 towards direction D21, direction D22, and/or towards direction
D23, direction D24 are moved repeatedly, and/or are moved repeatedly towards direction D25, direction D26, and are overturn towards direction D27 or direction D28,
And its cross bar portion 2041 can also be rotated relative to multiple balancing pole clamping parts 2013 of keycap 201, the purpose being designed in this way is,
Key 20 ' is set up or when moving down to be able to maintain balance relative to key bottom plate 21 and will not tilt, while can also structure increase
The intensity of keycap 201.
Complex chart 10 and Figure 11 are shown it is found that the film circuit board 22 of key board unit 2 of the present invention includes by balancing pole
The extension 225 that 204 two hook parts 2042 and key bottom plate 21 are spaced apart, and extension 225 is supplied equipped with the second colloid 227
The hook part 2042 of balancing pole 204 is in contact and in activity on the second colloid 227, is just balancing pole 204 and key bottom therefore
Plate 21 be all as made by metal material, but when key 20 ' keycap 201 relative to key bottom plate 21 up or move down and
When so that balancing pole 204 carrying out actuation, the second colloid 227 on film circuit board 22 can cushioning balance bar 204 hook part 2042
Shock, therefore can reduce key board unit 2 generate hit the sound and achieve the effect that noise reduction.
It illustrates, multiple first colloids 226 and multiple second colloids 227 on film circuit board 22 are all by same
Made by one material, and it is formed on film circuit board 22 via same step.Furthermore, in order to fix key 20,
20 ' elastomer 203 must include the step that the first colloid 226 is arranged on film circuit board 22 in the technique of key board unit 2
Suddenly, and the present invention is that on the step of the first colloid 226 are arranged while the second colloid 227 is arranged, therefore in the work of key board unit 2
The step of additionally increasing the second colloid 227 of setting again is not required in skill, it is relatively easy in technique, it is also effectively improved known such as Fig. 5 institute
Show and defect brought by soft lid 911 and cushion 912 is arranged by adhesion system.
In summary explanation, the present invention also provides the manufacturing methods of key board unit.Please refer to Figure 12 and Figure 13, Tu12Wei
The preferable schematic block follow diagram of the one of the manufacturing method of key board unit of the present invention, Figure 13 be execute Figure 12 shown in method one preferably
Conceptual schematic view.The manufacturing method of key board unit of the present invention includes step P1~step P3, however it is only embodiment, not with
This is limited.
Step P1, in forming multiple first seep throughs region 31 and multiple second seep throughs region 32 on web plate 3；Wherein, more
It needs the position for fixing multiple elastomers 203 on the position foundation film circuit board 22 in a first seep through region 31 and determines, and it is more
A second seep through region 32 then according to need on film circuit board 22 can with position that balancing pole 204 is in contact and determine.
In a preferred embodiment, web plate 3 is will be made by the materials such as nylon net cloth, special more imperial screen cloths, wire cloth
Screen cloth 33, which is fixed on screen frame, to be formed, when the position in multiple first seep throughs region 31 and the position in multiple second seep throughs region 32
After setting decision, screen cloth 33 can first be coated with photosensitive coating (not shown), then via photographic optics principle and by multiple first seep throughs area
Domain 31 and multiple second seep throughs region 32 develop.But above are only embodiment, it makes the mode of web plate 3, flush out
The mode in the first seep through region 31 and the second seep through region 32 is not limited with above-mentioned, and its is known to those skilled in the art
It knows, therefore is no longer repeated herein.
The alignment of web plate 3 is stacked and placed on film circuit board 22 by step P2.
Step P3, coating colloid 4 make to correspond to shape at the first seep through region 31 on film circuit board 22 on web plate 3
At the first colloid 226 and make to correspond to the second colloid 227 of formation at the second seep through region 32 on film circuit board 22.
Furthermore, in a preferred embodiment, using scraper plate (not shown) by colloid 4 from multiple first seep throughs region
32 lower flatten are scraped at place 31 and multiple second seep throughs region, make colloid 4 respectively from from multiple first seep throughs region 31 and more
32 penetrate into downwards on film circuit board 22 and make have multiple first colloids on film circuit board 22 at a second seep through region
226 and multiple second colloids 227.Wherein, multiple first colloids 226 are fixed on film for the adhesion of multiple elastomers 203 respectively
On wiring board 22, and multiple second colloids 226 it is then to be solidified after buffering when can provide 204 actuation of balancing pole.
Certainly, it above are only embodiment, those skilled in the art all can carry out any equalization according to practical application request
Design for change.For example, Figure 14 is please referred to, is key board unit of the present invention in the key bottom of an another preferred embodiment
The structural schematic diagram of plate, film circuit board and balancing pole after assembling.Do not drawn for clear signal, in Figure 14 keycap,
The elements such as connecting element and elastomer.Wherein, the key board unit of this preferred embodiment is approximately similar in previous preferred embodiment
The person is no longer repeated herein.And this preferred embodiment and aforementioned preferred embodiment the difference is that, multiple second
Colloid 227 is also provided at the cross bar portion 2041 for corresponding to multiple balancing poles 204 other than being arranged on multiple extensions 225
Lower section at, process is also identical to shown in Figure 12, herein i.e. no longer repeated.
Wherein, multiple second colloids 227 accordingly below the cross bar portion 2041 of multiple balancing poles 204 are also used for
Buffering when 204 actuation of balancing pole is provided after solidification, that is to say, that when the keycap of key is up or past relative to key bottom plate 21
Lower movement and make balancing pole 204 carry out actuation when, accordingly set on multiple balancing poles 204 cross bar portion 2041 below it is multiple
Second colloid 227 have the effect of can the cross bar portion 2041 of cushioning balance bar 204 hit film circuit board 22 and key bottom plate 21,
Therefore key board unit 2 can be reduced and generate the sound hit and reduce noise.
The foregoing is merely presently preferred embodiments of the present invention, the claim being not intended to limit the invention, thus it is all its
It is intended to be limited solely by claim of the invention without departing from the lower equivalent change or modification completed of spirit disclosed in this invention
It is interior.
Claims (14)
1. a kind of key board unit, comprising:
One key bottom plate；
One film circuit board is set to the top of the key bottom plate, and including a thin film switch；And
One key, including a keycap, a balancing pole and an elastomer, and the balancing pole is connected to the keycap and the key bottom plate
Between, and the elastomer is set between the keycap and the film circuit board and has a top, when the keycap is touched,
The elastomer is compressed and the top is made to support the thin film switch, and when the keycap is no longer touched, which provides one
Elastic force gives the keycap and the keycap is made to set back；
Wherein, one first colloid and one second colloid, first colloid and second glue are provided on the film circuit board
Body is as made by identical material, and the elastomer is fixed on the film circuit board by first colloid, and second glue
Body with the balancing pole to be in contact.
2. key board unit as described in claim 1, wherein first colloid and second colloid via same step shape
At on the film circuit board.
3. key board unit as described in claim 1, wherein the key bottom plate includes a plate body and a connection structure, the plate body
Positioned at the lower section of the film circuit board, and the connection structure is upwardly extended by the plate body and passes through the film circuit board, and the company
Binding structure has a perforation.
4. key board unit as claimed in claim 3, wherein the balancing pole includes a cross bar portion and a hook part, the cross bar portion pivot
It is connected to the keycap, and the hook part is located at the one end in the cross bar portion and passes through the perforation.
5. key board unit as claimed in claim 4, wherein the film circuit board further includes extending toward the direction of the connection structure
An extension, and second colloid is located on the extension.
6. key board unit as claimed in claim 4, wherein the keycap includes a balancing pole clamping part, passed through for the cross bar portion
And it is articulated with the cross bar portion；Wherein, when the keycap is moved up and down relative to the key bottom plate, the cross bar portion is flat relative to this
The bar clamping part that weighs rotates.
7. key board unit as described in claim 1, wherein the film circuit board further includes a topmost thin film and a lower film,
And one first circuit pattern is provided on the topmost thin film, and a second circuit pattern is provided on the lower film；Wherein, should
First circuit pattern and the second circuit pattern are respectively provided with a upper contact and once contact, and the upper contact and this under
There is a spacing between contact and the thin film switch is collectively formed.
8. key board unit as claimed in claim 7, wherein the film circuit board further includes layer film in one, and layer film is set in this
It is placed between the topmost thin film and the lower film, so as to there is the spacing, and should between the upper contact and the lower contact
Middle layer film has the contact aperture corresponding to the upper contact and the lower contact.
9. key board unit as claimed in claim 7, wherein at least one of the topmost thin film and the lower film are by poly- carbon
Acid esters material, polyethylene terephthalate material, acryl plastic cement material be made, polyurethane material or polyimides material
Matter.
10. key board unit as described in claim 1, wherein the key further includes a connecting element, and the connecting element connects
Between the key bottom plate and the keycap, and move up and down the keycap relative to the key bottom plate.
11. key board unit as claimed in claim 10, wherein the connecting element includes:
One first end of one first frame, first frame is connected to the keycap, and a second end of first frame is connected to
The key bottom plate；And
One second frame, to be combined with first frame relative to first frame stroke, and the one of second frame
First end is connected to the key bottom plate, and a second end of second frame is connected to the keycap.
12. key board unit as claimed in claim 11, wherein the keycap further includes the fixed hook and one being oppositely arranged
Movable hook, and the fixation hook is connect to the first end with first frame, and the activity hook to this second
The second end of frame connects, and slide the second end of second frame can in the activity hook.
13. key board unit as claimed in claim 11, wherein the key bottom plate include a plate body, one first bottom plate hook and
One second bottom plate hook, plate body are located at the lower section of the film circuit board, and the first bottom plate hook and the second bottom plate hook
It is upwardly extended respectively by the plate body and passes through the film circuit board；Wherein, the first bottom plate hook to second frame
The first end is connected, and the second bottom plate hook is connected to the second end with first frame.
14. a kind of manufacturing method of key board unit as described in claim 1, comprising:
(P1) in one first seep through region of formation and one second seep through region on a web plate；
(P2) web plate is placed in the top of the film circuit board；And
(P3) coating colloid is in forming corresponding at the first seep through region on the film circuit board on the web plate
First colloid and corresponding at the second seep through region on the film circuit board is made to form second colloid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359371.7A CN110391097A (en) | 2018-04-20 | 2018-04-20 | Key board unit and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359371.7A CN110391097A (en) | 2018-04-20 | 2018-04-20 | Key board unit and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110391097A true CN110391097A (en) | 2019-10-29 |
Family
ID=68283679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810359371.7A Pending CN110391097A (en) | 2018-04-20 | 2018-04-20 | Key board unit and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110391097A (en) |
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| CN203674011U (en) * | 2013-12-19 | 2014-06-25 | 江苏传艺科技有限公司 | Notebook computer keyboard key structure |
| CN104608511A (en) * | 2013-11-04 | 2015-05-13 | 深圳崇达多层线路板有限公司 | Silk-screen printing method of overprinted characters |
| CN104661440A (en) * | 2015-03-06 | 2015-05-27 | 廊坊市高瓷电子技术有限公司 | Manufacturing method of printed circuit board and printed circuit board |
| CN107731599A (en) * | 2016-08-10 | 2018-02-23 | 致伸科技股份有限公司 | Key board unit |
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2018
- 2018-04-20 CN CN201810359371.7A patent/CN110391097A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608511A (en) * | 2013-11-04 | 2015-05-13 | 深圳崇达多层线路板有限公司 | Silk-screen printing method of overprinted characters |
| CN203674011U (en) * | 2013-12-19 | 2014-06-25 | 江苏传艺科技有限公司 | Notebook computer keyboard key structure |
| CN104661440A (en) * | 2015-03-06 | 2015-05-27 | 廊坊市高瓷电子技术有限公司 | Manufacturing method of printed circuit board and printed circuit board |
| CN107731599A (en) * | 2016-08-10 | 2018-02-23 | 致伸科技股份有限公司 | Key board unit |
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