CN105788924A - Key structure - Google Patents
Key structure Download PDFInfo
- Publication number
- CN105788924A CN105788924A CN201610176836.6A CN201610176836A CN105788924A CN 105788924 A CN105788924 A CN 105788924A CN 201610176836 A CN201610176836 A CN 201610176836A CN 105788924 A CN105788924 A CN 105788924A
- Authority
- CN
- China
- Prior art keywords
- snap fit
- keycap
- press
- metallic supports
- supporting seat
- 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
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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
- H01H13/02—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
- H01H13/02—Details
- H01H13/10—Bases; Stationary contacts mounted thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/008—Actuators other then push button
- H01H2221/01—Actuators other then push button also rotatable
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- Push-Button Switches (AREA)
Abstract
The invention discloses a key structure, which comprises a key cap, a bottom plate, an elastic body, a thin film switching circuit, a first supporting seat, a second supporting seat, a first metal supporting piece and a second metal supporting piece, wherein the first supporting seat and the second supporting seat are arranged on the bottom plate and are respectively provided with a first side wall and a second side wall; and the first pressing part and the second pressing part of the first metal supporting piece and the second metal supporting piece are connected with the key cap and are rotatably connected with the first side wall and the second side wall via a first L-shaped bending part and a second L-shaped bending part respectively. When the key cap is pressed, the key cap abuts against the first pressing part and the second pressing part from an un-pressed position, the first metal supporting piece and the second metal supporting piece are driven to rotate around the first side wall and the second side wall respectively, and the first supporting and leaning part of the first metal supporting piece and the second metal supporting piece lean mutually and rotate in a linked mode. When the key cap is released, the elastic body provides an upward recovery force to drive the key cap to be recovered to the un-pressed position. Due to arrangement of the thin first metal supporting piece and the second metal supporting piece, thin applications of the key structure is facilitated.
Description
Technical field
The present invention relates to a kind of press-key structure, particularly relate to the press-key structure of a kind of slimming.
Background technology
Universal along with electronic installation, various input equipment are applied widely, become the medium linked up between user and electronic installation, and the slimming of electronic installation also becomes one of trend that current industry has in mind.In response to such trend, the slimming of input equipment is also try hard to pursue one of direction of asking caused by research worker.
For the input equipment of pressing operation, traditional press-key structure supports keycap with the supporting construction that plastics are made.But, this supporting construction needs bigger height space, is therefore unfavorable for the slimming of input equipment.
Summary of the invention
For meeting the demand of above-mentioned press-key structure slimming, the present invention provides a kind of press-key structure.
Above-mentioned press-key structure includes:
Keycap；
Base plate, is arranged under this keycap；
Elastomer, is arranged between this keycap and this base plate, this elastomer provide upwards restoring force to this keycap；
Film switch circuit, is arranged on this base plate, produces keying signal when this film switch circuit is in order to be triggered；
First supporting seat and the second supporting seat, this first supporting seat and this second supporting seat are arranged on this base plate, this first supporting seat has the first side wall, between this first supporting seat and this base plate, there is the first accommodation space, this second supporting seat has the second sidewall, has the second accommodation space between this second supporting seat and this base plate；
First metallic supports, it is supported by portion including the first press section, the first L-shaped kink and first, this first press section is connected to this keycap, this the first L-shaped kink is connected to this first side wall, and extend in this first accommodation space, make this first metallic supports be rotatably connected at this first supporting seat；And
Second metallic supports, it is supported by portion including the second press section, the second L-shaped kink and second, this second press section is connected to this keycap, this the second L-shaped kink is connected to this second sidewall, and extend in this second accommodation space, make this second metallic supports be rotatably connected at this second supporting seat, and this second portion of being supported by is connected to this and first is supported by portion；
Wherein, when this keycap is pressed by external force, this keycap never pressing position compresses downwards this first press section and this second press section, drive this first metallic supports and this second metallic supports to rotate respectively around this first side wall and this second sidewall, and this first is supported by portion and this second portion of being supported by and mutually supports and interlock rotation；
Wherein, when this external force discharges, this elastomer provide this upwards restoring force to drive this keycap to return back to this non-pressing position.
As optional technical scheme, this first supporting seat and this second supporting seat all include a plurality of projection, and these a plurality of projections downwardly extend from the lower surface of this first supporting seat and this second supporting seat, to fix with this base plate.
As optional technical scheme, when this keycap is pressed into pressing position from this non-pressing position, this first metallic supports and this second metallic supports are parallel to the lower surface of this keycap.
As optional technical scheme, when this keycap is pressed into pressing position from this non-pressing position, the upper surface of this first metallic supports and this second metallic supports fits in the lower surface of this keycap.
As optional technical scheme, this keycap includes the first snap fit and the second snap fit, this first press section has the first snap fit perforate, this second press section has the second snap fit perforate, this first snap fit and this second snap fit respectively enter in this first snap fit perforate and this second snap fit perforate, and are connected to the lower surface of this first metallic supports and the lower surface of this second metallic supports respectively.
As optional technical scheme, this film switch circuit also has the first snap fit passage and the second snap fit passage, when this keycap is pressed into pressing position from this non-pressing position, this first snap fit and this second snap fit respectively enter in this first snap fit passage and this second snap fit passage.
As optional technical scheme, this film switch circuit also includes depressed part, and when this keycap is positioned at this non-pressing position, this depressed part is received this and first is supported by portion and this second is supported by portion.
As optional technical scheme, this film switch circuit also has the first accommodation hole and second and holds hole, and this first L-shaped kink is through this first accommodation hole, and this second L-shaped kink is through this second accommodation hole.
As optional technical scheme, this press-key structure also includes light guide plate, and this light guide plate is arranged on this film switch circuit.
As optional technical scheme, this light guide plate has the first light guide plate perforation and the second light guide plate perforation, this the first accommodation hole and this first light guide plate perforation form this first accommodation space, this the first L-shaped kink is placed in this first accommodation space, and this second accommodation hole and this second light guide plate perforation form this second accommodation space, this second L-shaped kink is placed in this second accommodation space.
The present invention also provides for a kind of press-key structure, including:
Keycap, this keycap has the first snap fit and the second snap fit, and this first snap fit has the first snap fit post and the first snap fit tail, and this second snap fit has the second snap fit post and the second snap fit tail, this first snap fit tail and this second snap fit tail and all extends towards X-direction；
Base plate, is arranged under this keycap；
Elastomer, is arranged between this keycap and this base plate, this elastomer provide upwards restoring force to this keycap；
Film switch circuit, is arranged on this base plate, and this film switch circuit produces keying signal in order to be triggered；
First supporting seat and the second supporting seat, this first supporting seat and this second supporting seat are arranged on this base plate, and this first supporting seat has the first drive-connecting shaft, and this second supporting seat has the second drive-connecting shaft, and this first drive-connecting shaft and this second drive-connecting shaft are parallel to this X-direction；
First metallic supports, it is supported by portion including the first snap fit perforate, the first L-shaped kink and first, this the first snap fit post enters in this first snap fit perforate, this the first snap fit tail is connected to the lower surface of this first metallic supports, this the first L-shaped kink is connected to this first drive-connecting shaft, makes this first metallic supports be rotatably connected at this first supporting seat；And
Second metallic supports, it is supported by portion including the second snap fit perforate, the second L-shaped kink and second, this the second snap fit post enters in this second snap fit perforate, this the second snap fit tail is connected to the lower surface of this second metallic supports, this the second L-shaped kink is connected to this second drive-connecting shaft, make this second metallic supports be rotatably connected at this second supporting seat, and this second portion of being supported by is connected to this and first is supported by portion；
Wherein, when this keycap is pressed by external force, this keycap never pressing position compresses downwards this first snap fit perforate and this second snap fit perforate, drive this first metallic supports and this second metallic supports to rotate respectively around this first drive-connecting shaft and this second drive-connecting shaft, and this first is supported by portion and this second portion of being supported by and mutually supports and interlock rotation；
Wherein, when this external force discharges, this elastomer provide this upwards restoring force to drive this keycap to return back to this non-pressing position, and then drive this first metallic supports to rotate with this second metallic supports.
As optional technical scheme, this first drive-connecting shaft and this second drive-connecting shaft include the first side wall and the second sidewall respectively, and this first L-shaped kink is articulated in this first side wall, and this second L-shaped kink is articulated in this second sidewall.
As optional technical scheme, when this keycap is pressed into pressing position from this non-pressing position, this first metallic supports rotates around this first side wall with this first drive-connecting shaft for fulcrum, and this second metallic supports rotates around this second sidewall with this second drive-connecting shaft for fulcrum.
As optional technical scheme, when this keycap is pressed into pressing position from this non-pressing position, this first metallic supports and this second metallic supports are parallel to the lower surface of this keycap.
As optional technical scheme, when this keycap is pressed into pressing position from this non-pressing position, the upper surface of this first metallic supports and this second metallic supports fits in the lower surface of this keycap.
As optional technical scheme, this film switch circuit also has the first snap fit passage and the second snap fit passage, when this keycap is pressed into pressing position from this non-pressing position, this first snap fit and this second snap fit respectively enter in this first snap fit passage and this second snap fit passage.
As optional technical scheme, this film switch circuit also includes depressed part, and when this keycap is positioned at this non-pressing position, this depressed part is received this and first is supported by portion and this second is supported by portion.
As optional technical scheme, this press-key structure also includes light guide plate, and this light guide plate is arranged on this film switch circuit.
As optional technical scheme, this light guide plate has the first snap fit guide hole and the second snap fit guide hole, when this keycap is pressed into pressing position from this non-pressing position, this first snap fit and this second snap fit respectively enter in this first snap fit guide hole and this second snap fit guide hole.
Compared to prior art, the press-key structure of the present invention by the setting of the first metallic supports and the second metallic supports, due to metal material rigid preferably, and relatively thin with metal support member, therefore can be conducive to the application of press-key structure slimming.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Figure 1A is the explosive view of the press-key structure of one embodiment of the invention；
Figure 1B is the explosive view at another visual angle of the press-key structure of Figure 1A；
Fig. 2 A is the assembling upward view of the keycap of Figure 1A and metallic supports；
Fig. 2 B is the X-Y plane sectional view of the press-key structure tangentially 2B-2B ' of Figure 1A；
Fig. 3 is the assembling figure of all the other structures below the keycap of Figure 1A；
Fig. 4 A is the keycap of Figure 1A Y-Z plane sectional view of tangentially 4A-4A ' when non-pressing position；
Fig. 4 B is the keycap of Figure 1A X-Y plane sectional view of tangentially 4B-4B ' when non-pressing position；
Fig. 5 is the keycap of Figure 1A Y-Z plane sectional view of tangentially 4A-4A ' when pressing position.
Detailed description of the invention
The present invention proposes a kind of press-key structure, but, the present invention is not limited in proposed embodiment.Narration in embodiment, as thin portion structure, number of structures, associated component size positions and corresponding spatial relationship etc., use by way of example only, the scope that the present invention is not intended to protection limits.Therefore, the present invention does not demonstrate all possible embodiment, and having usually intellectual in art can be changed and modification the structure of embodiment in without departing from the spirit and scope of this exposure, to meet the needs of practical application.Therefore the present invention is not limited to following embodiment, and can being carried out in various different formats, the other embodiments not proposed in the present invention is likely to and can apply.Furthermore, the dimension scale on graphic is not drawn according to actual product equal proportion, and therefore description and graphic content are only described herein the use of embodiment, but not as the use of limit scope.Additionally, in description, similar element numbers continues to use similar element numbers, in order to explanation.
Figure 1A is the explosive view of the press-key structure of one embodiment of the invention；Figure 1B is the explosive view at another visual angle of the press-key structure of Figure 1A, refers to Figure 1A and Figure 1B.Press-key structure 100 includes keycap the 110, first metallic supports the 120, second metallic supports the 130, first supporting seat the 140, second supporting seat 150, film switch circuit 170, elastomer 180 and base plate 190.Base plate 190 may be disposed under keycap 110.Elastomer 180 may be disposed between keycap 110 and base plate 190.Film switch circuit 170 may be disposed on base plate 190.First supporting seat 140 and the second supporting seat 150 may be disposed on base plate 190.If it addition, be applied to can be luminous input equipment, press-key structure 100 may also include light guide plate 160, and light guide plate 160 is arranged on film switch circuit 170；Certainly, also can not have light guide plate 160 in another embodiment.
Keycap 110 includes the first snap fit 112 and the second snap fit 114.First metallic supports 120 includes first press section the 121, first L-shaped kink 125 and first and is supported by portion 123, and the first press section 121 and first is supported by portion 123 and is positioned at first metallic supports 120 opposite side along Z axis.Second metallic supports 130 includes second press section the 131, second L-shaped kink 135 and second and is supported by portion 133, and the second press section 131 and second is supported by portion 133 and is positioned at second metallic supports 130 opposite side along Z axis.First is supported by portion 123 can be supported by portion 133 with second and interconnect.Such as, first is supported by portion 123 and second is supported by portion 133 and can respectively include two extensions, first two extensions being supported by portion 123 can be supported by the two upper and lower overlapping settings of extension in portion 133 respectively with second, so that first is supported by portion 123 and second and is supported by portion 133 and can mutually support and interlock rotation.
First press section 121 and the second press section 131 may connect to keycap 110, and can be used for accepting the pressing of keycap 110.Fig. 2 A is the assembling upward view of the keycap of Figure 1A and metallic supports, refers to Figure 1A and Fig. 2 A.First press section 121 can have the first snap fit perforate 122, and the second press section 131 can have the second snap fit perforate 132.First snap fit perforate 122 and the second snap fit perforate 132 may correspond to the position configuration of the first snap fit 112 and the second snap fit 114.As shown in Figure 2 A, when being assembled in the first metallic supports 120 and the second metallic supports 130 when keycap 110, first snap fit 112 and the second snap fit 114 can respectively enter in the first snap fit perforate 122 and the second snap fit perforate 132, and are connected to the lower surface 120LS of the first metallic supports 120 and lower surface 130LS of the second metallic supports 130 respectively.
As shown in Figure 2 A, the first snap fit 112 can have the first snap fit post 1121 and the first snap fit tail 1122, and the second snap fit 114 has the second snap fit post 1141 and the second snap fit tail 1142.Wherein, the first snap fit tail 1122 and the second snap fit tail 1142 all extend towards X-direction.When being assembled in the first metallic supports 120 and the second metallic supports 130 when keycap 110, the first snap fit post 1121 and the second snap fit post 1141 respectively enter in the first snap fit perforate 122 and the second snap fit perforate 132.
Fig. 2 B is the X-Y plane sectional view of the press-key structure tangentially 2B-2B ' of Figure 1A.As shown in Figure 2 B, the second snap fit tail 114 is connected to the lower surface 130LS of the second metallic supports 130.In like manner, the lower surface 120LS of the first metallic supports 120 also it is connected to along the first snap fit tail 1122 of the opposite side of Z axis.Consequently, it is possible to through the design of first above-mentioned snap fit post the 1121, second snap fit post 1141 and first snap fit tail the 1122, second snap fit tail 1142, keycap 110 can be avoided to be shed to outside metallic supports 120,130.
Fig. 3 is the assembling figure of all the other structures below the keycap of Figure 1A, refers to Fig. 3.First metallic supports 120 with the first rotating shaft S1 be fulcrum be connected to the first supporting seat 140, the second metallic supports 130 is rotatably connected at the second supporting seat 150 with the second rotating shaft S2 for fulcrum.Wherein, the first rotating shaft S1 and the second rotating shaft S2 is all parallel to X-direction.Rotate for fulcrum with the first rotating shaft S1 and the second rotating shaft S2 respectively through the first metallic supports 120 and the second metallic supports 130, keycap 110 (not shown) can be driven to move between non-pressing position and pressing position.
In detail, as illustrated in figures ia and ib, the first supporting seat 140 can have the first drive-connecting shaft 145, and the second supporting seat 150 can have the second drive-connecting shaft 155, and the first drive-connecting shaft 145 and the second drive-connecting shaft 155 are each parallel to X-direction.First L-shaped kink 125 of the first metallic supports 120 is connected to the first drive-connecting shaft 145, makes the first metallic supports 120 be rotatably connected at the first supporting seat 140.Second L-shaped kink 135 of the second metallic supports 130 is connected to the second drive-connecting shaft 155, makes the second metallic supports 130 be rotatably connected at the second supporting seat 150.
Fig. 4 A is the keycap of Figure 1A Y-Z plane sectional view of tangentially 4A-4A ' when non-pressing position, refers to Fig. 4 A, and the first drive-connecting shaft 145 can have the first side wall 140w, and the second drive-connecting shaft 155 can have the second sidewall 150w.It can be such as curved surfaces that first L-shaped kink 125 is connected to the first side wall 140w, the first side wall 140w.Thereby, the first L-shaped kink 125 can be articulated in the first drive-connecting shaft 145 along the curved surfaces of the first side wall 140w, makes the first metallic supports 120 to rotate around the first side wall 140w for fulcrum by first drive-connecting shaft 145.Similarly, the second L-shaped kink 135 is connected to the second sidewall 150w, and the second sidewall 150w can be such as curved surfaces.Thereby, the second L-shaped kink 135 can be articulated in the second drive-connecting shaft 155 along the curved surfaces of the second sidewall 150w, makes the second metallic supports 130 to rotate around the second sidewall 150w for fulcrum by second drive-connecting shaft 155.
In the present embodiment, in combinations with fixing without producing relative displacement between the first supporting seat 140 and the second supporting seat 150 and base plate 190.Thereby, when the first metallic supports 120 and the second metallic supports 130 rotate respectively around the first side wall 140w and the second sidewall 150w, keycap 110 can move up and down relative to base plate 190.For example, refer to Figure 1B and Fig. 4 A, first supporting seat 140 can include several projection 141, second supporting seat 150 can include several projection 151, projection 141 and projection 151 all downwardly extend (being such as extend) to negative Y direction from the lower surface of the first supporting seat 140 and the second supporting seat 150, to fix with the several projection through holes 191 on base plate 190.In another embodiment, projection 141,151 can by the mode of hot melt and corresponding projection through hole 191 combined fixed.
Referring to the enlarged drawing of region E in Fig. 4 A, can have the first accommodation space R1 between the first supporting seat 140 and base plate 190, the first L-shaped kink 125 extends into R1 in the first accommodation space, and can rotate along the first side wall 140w in R1 in the first accommodation space.Similarly, the second supporting seat 150 with also same can have the second accommodation space (sign) between base plate 190, and the second L-shaped kink 135 extends in the second accommodation space, and can rotate along the second sidewall 150w in the second accommodation space.Through the setting of above-mentioned first accommodation space and the second accommodation space, can effectively reduce the overall required space used of press-key structure 100, be beneficial to the application of slimming.
Specifically, the enlarged drawing of the region E of Figure 1A and Fig. 4 A is referred to.As shown in Figure 1A, film switch circuit 170 also can have the first accommodation hole 175 and the second accommodation hole 176.If it addition, press-key structure 100 comprises light guide plate 160, light guide plate 160 also can have the first light guide plate perforation 165 and the second light guide plate perforation 166.First holds hole 175 and the first light guide plate perforation 165 position corresponding to the first L-shaped kink 125, and second holds hole 176 and the second light guide plate perforation 166 position corresponding to the second L-shaped kink 135.As shown in the enlarged drawing of the region E of Fig. 4 A, the first L-shaped kink 125 may pass through the first accommodation hole 175 and the first light guide plate perforation 165.Namely the first accommodation space R1 can be formed by the first accommodation hole 175 and the first light guide plate perforation 165, makes the first L-shaped kink 125 can be placed in the first accommodation space R1.Similarly, the second L-shaped kink 135 can also penetrate through the second accommodation hole 176 and the second light guide plate perforation 166, makes the second L-shaped kink 135 can be placed in the second accommodation space.
Fig. 4 B is the keycap of Figure 1A X-Y plane sectional view of tangentially 4B-4B ' when non-pressing position, refers to Fig. 4 A, Fig. 4 B.As shown in Figure 4 A, keycap 110 provides by elastomer 180 upwards restoring force and be maintained at non-pressing position.Again as shown in Figure 4 B, keycap 110 can have salient point 116, and when keycap 110 is positioned at non-pressing position, salient point 116 is connected to elastomer 180.In the case, the first snap fit 112 and the second snap fit 114 make the first press section 121 and the second press section 131 upwards lift, and the first of opposite side is supported by portion 123 and second and is supported by portion 133 and is then incorporated in the depressed part 171 of film switch circuit plate 170.
Fig. 5 is the keycap of Figure 1A Y-Z plane sectional view of tangentially 4A-4A ' when pressing position, refer to Fig. 5.When this keycap 110 is pressed by external force, and this external force is when can overcome the upwards restoring force that elastomer 180 provides (such as when user presses keycap 110), keycap 110 is moved downward to the pressing position shown in Fig. 5 from the non-pressing position shown in Fig. 4 A, now salient point 116 can press elastomer 180, so that elastomer 180 deforms, and then trigger film switch circuit 170 and produce corresponding keying signal.When compressing downwards the first press section 121 and the second press section 131 when keycap 110, first metallic supports 120 and the second metallic supports 130 is driven and rotates respectively around the first side wall 140w (or first drive-connecting shaft 145) and the second sidewall 150w (or second drive-connecting shaft 155), and first be supported by portion 123 and second and be supported by portion 133 and mutually upwards support and interlock rotation, make first to be supported by portion 123 and second and be supported by portion 133 and be upwardly away from depressed part 171 in the lump.
As it is shown in figure 5, when keycap 110 is pressed into pressing position, the first metallic supports 120 and the second metallic supports 130 are parallel to the lower surface 110LS of keycap 110.In more detail, the upper surface 120US of the first metallic supports 120 and upper surface 130US of the second metallic supports 130 fits in the lower surface 110LS of keycap 110.Therefore, when pressing position, the inner space of keycap 110 also is available for storage, thereby can reduce the integral thickness of press-key structure 100.
Please refer to Figure 1A and Fig. 5, film switch circuit 170 has the first snap fit passage 172 and the second snap fit passage 174.If it addition, press-key structure 100 comprises light guide plate 160, light guide plate 160 also can have the first snap fit guide hole 162 and the second snap fit guide hole 164.When keycap 110 is positioned at pressing position, the first snap fit 112 can enter in the first snap fit passage 172 and the first snap fit guide hole 162, and the second snap fit 114 can enter in the second snap fit passage 174 and the second snap fit guide hole 164.Owing to film switch circuit 170 and light guide plate 160 being respectively provided with the passage passed through for the first snap fit 112 and the second snap fit 114, therefore more keycap stroke space can be provided, and the space of the overall required use of reduction press-key structure 100 effectively, it is beneficial to the application of slimming.
When user no longer presses keycap 110, keycap 110 is no longer limited by external force, the upwards restoring force that therefore keycap 110 can provide by elastomer 180, upwards returns back to the non-pressing position of Fig. 4 A and Fig. 4 B from the pressing position of Fig. 5.Simultaneously, owing to keycap 110 is upwards replied, first snap fit 112 and the second snap fit 114 also drive the first press section 121 and the second press section 131 upwards to lift in the lump, make the first metallic supports 120 and the second metallic supports 130 respectively with the first drive-connecting shaft 145 and the second drive-connecting shaft 155 for fulcrum, and then make the first of opposite side be supported by portion 123 and second to be supported by portion 133 and mutually support downwards and interlock rotation, and it is incorporated in depressed part 171, as shown in Figure 4 A.
As described above, press-key structure proposed by the invention can be applicable to input equipment, for instance is be applied to keyboard, and the keyboard of particularly slimming.During practical application, press-key structure can be controlled size on demand, and rearrange keyboard.Additionally, press-key structure proposed by the invention also can apply with can be luminous input equipment.
In sum, the press-key structure of the present invention by the setting of the first metallic supports and the second metallic supports, due to metal material rigid preferably, and relatively thin with metal support member, therefore can be conducive to the application of press-key structure slimming.Secondly, it is accommodation space owing to the L-shaped kink of the first metallic supports and the second metallic supports extends between corresponding supporting seat and base plate, and it is connected to the sidewall of the supporting seat of correspondence respectively, make the first metallic supports and the second metallic supports can rotate relative to corresponding supporting seat by L-shaped kink, so limitation keycap directly can go up relative to base plate, directly mobile down.When keycap is pressed into pressing position, the inner space of keycap also is available for the storage of assembly below keycap, makes space be effectively utilized.Further, since film switch circuit and light guide plate are respectively provided with the passage passed through for the snap fit on keycap, therefore more keycap stroke space the space of the required use of reduction press-key structure entirety effectively can be provided, be beneficial to the application of slimming.
Certainly; the present invention also can have other various embodiments; when without departing substantially from present invention spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and deformation according to the present invention, but these change accordingly and deformation all should belong to the scope of the claims appended by the present invention.
Claims (19)
1. a press-key structure, it is characterised in that this press-key structure includes:
Keycap；
Base plate, is arranged under this keycap；
Elastomer, is arranged between this keycap and this base plate, this elastomer provide upwards restoring force to this keycap；
Film switch circuit, is arranged on this base plate, produces keying signal when this film switch circuit is in order to be triggered；
First supporting seat and the second supporting seat, this first supporting seat and this second supporting seat are arranged on this base plate, this first supporting seat has the first side wall, between this first supporting seat and this base plate, there is the first accommodation space, this second supporting seat has the second sidewall, has the second accommodation space between this second supporting seat and this base plate；
First metallic supports, it is supported by portion including the first press section, the first L-shaped kink and first, this first press section is connected to this keycap, this the first L-shaped kink is connected to this first side wall, and extend in this first accommodation space, make this first metallic supports be rotatably connected at this first supporting seat；And
Second metallic supports, it is supported by portion including the second press section, the second L-shaped kink and second, this second press section is connected to this keycap, this the second L-shaped kink is connected to this second sidewall, and extend in this second accommodation space, make this second metallic supports be rotatably connected at this second supporting seat, and this second portion of being supported by is connected to this and first is supported by portion；
Wherein, when this keycap is pressed by external force, this keycap never pressing position compresses downwards this first press section and this second press section, drive this first metallic supports and this second metallic supports to rotate respectively around this first side wall and this second sidewall, and this first is supported by portion and this second portion of being supported by and mutually supports and interlock rotation；
Wherein, when this external force discharges, this elastomer provide this upwards restoring force to drive this keycap to return back to this non-pressing position.
2. press-key structure as claimed in claim 1, it is characterised in that this first supporting seat and this second supporting seat all include a plurality of projection, and these a plurality of projections downwardly extend from the lower surface of this first supporting seat and this second supporting seat, to fix with this base plate.
3. press-key structure as claimed in claim 1, it is characterised in that when this keycap is pressed into pressing position from this non-pressing position, this first metallic supports and this second metallic supports are parallel to the lower surface of this keycap.
4. press-key structure as claimed in claim 1, it is characterised in that when this keycap is pressed into pressing position from this non-pressing position, the upper surface of this first metallic supports and this second metallic supports fits in the lower surface of this keycap.
5. press-key structure as claimed in claim 1, it is characterized in that, this keycap includes the first snap fit and the second snap fit, this first press section has the first snap fit perforate, this second press section has the second snap fit perforate, this first snap fit and this second snap fit respectively enter in this first snap fit perforate and this second snap fit perforate, and are connected to the lower surface of this first metallic supports and the lower surface of this second metallic supports respectively.
6. press-key structure as claimed in claim 5, it is characterized in that, this film switch circuit also has the first snap fit passage and the second snap fit passage, when this keycap is pressed into pressing position from this non-pressing position, this first snap fit and this second snap fit respectively enter in this first snap fit passage and this second snap fit passage.
7. press-key structure as claimed in claim 1, it is characterised in that this film switch circuit also includes depressed part, when this keycap is positioned at this non-pressing position, this depressed part is received this and first is supported by portion and this second is supported by portion.
8. press-key structure as claimed in claim 1, it is characterised in that this film switch circuit also has the first accommodation hole and second and holds hole, this first L-shaped kink through this first hold hole, and this second L-shaped kink second hold hole through this.
9. press-key structure as claimed in claim 8, it is characterised in that this press-key structure also includes light guide plate, and this light guide plate is arranged on this film switch circuit.
10. press-key structure as claimed in claim 9, it is characterized in that, this light guide plate has the first light guide plate perforation and the second light guide plate perforation, this the first accommodation hole and this first light guide plate perforation form this first accommodation space, this the first L-shaped kink is placed in this first accommodation space, and this second accommodation hole and this second light guide plate perforation form this second accommodation space, this second L-shaped kink is placed in this second accommodation space.
11. a press-key structure, it is characterised in that this press-key structure includes:
Keycap, this keycap has the first snap fit and the second snap fit, and this first snap fit has the first snap fit post and the first snap fit tail, and this second snap fit has the second snap fit post and the second snap fit tail, this first snap fit tail and this second snap fit tail and all extends towards X-direction；
Base plate, is arranged under this keycap；
Elastomer, is arranged between this keycap and this base plate, this elastomer provide upwards restoring force to this keycap；
Film switch circuit, is arranged on this base plate, and this film switch circuit produces keying signal in order to be triggered；
First supporting seat and the second supporting seat, this first supporting seat and this second supporting seat are arranged on this base plate, and this first supporting seat has the first drive-connecting shaft, and this second supporting seat has the second drive-connecting shaft, and this first drive-connecting shaft and this second drive-connecting shaft are parallel to this X-direction；
First metallic supports, it is supported by portion including the first snap fit perforate, the first L-shaped kink and first, this the first snap fit post enters in this first snap fit perforate, this the first snap fit tail is connected to the lower surface of this first metallic supports, this the first L-shaped kink is connected to this first drive-connecting shaft, makes this first metallic supports be rotatably connected at this first supporting seat；And
Second metallic supports, it is supported by portion including the second snap fit perforate, the second L-shaped kink and second, this the second snap fit post enters in this second snap fit perforate, this the second snap fit tail is connected to the lower surface of this second metallic supports, this the second L-shaped kink is connected to this second drive-connecting shaft, make this second metallic supports be rotatably connected at this second supporting seat, and this second portion of being supported by is connected to this and first is supported by portion；
Wherein, when this keycap is pressed by external force, this keycap never pressing position compresses downwards this first snap fit perforate and this second snap fit perforate, drive this first metallic supports and this second metallic supports to rotate respectively around this first drive-connecting shaft and this second drive-connecting shaft, and this first is supported by portion and this second portion of being supported by and mutually supports and interlock rotation；
Wherein, when this external force discharges, this elastomer provide this upwards restoring force to drive this keycap to return back to this non-pressing position, and then drive this first metallic supports to rotate with this second metallic supports.
12. press-key structure as claimed in claim 11, it is characterised in that this first drive-connecting shaft and this second drive-connecting shaft include the first side wall and the second sidewall respectively, and this first L-shaped kink is articulated in this first side wall, and this second L-shaped kink is articulated in this second sidewall.
13. press-key structure as claimed in claim 12, it is characterized in that, when this keycap is pressed into pressing position from this non-pressing position, this first metallic supports rotates around this first side wall with this first drive-connecting shaft for fulcrum, and this second metallic supports rotates around this second sidewall with this second drive-connecting shaft for fulcrum.
14. press-key structure as claimed in claim 11, it is characterised in that when this keycap is pressed into pressing position from this non-pressing position, this first metallic supports and this second metallic supports are parallel to the lower surface of this keycap.
15. press-key structure as claimed in claim 11, it is characterised in that when this keycap is pressed into pressing position from this non-pressing position, the upper surface of this first metallic supports and this second metallic supports fits in the lower surface of this keycap.
16. press-key structure as claimed in claim 11, it is characterized in that, this film switch circuit also has the first snap fit passage and the second snap fit passage, when this keycap is pressed into pressing position from this non-pressing position, this first snap fit and this second snap fit respectively enter in this first snap fit passage and this second snap fit passage.
17. press-key structure as claimed in claim 11, it is characterised in that this film switch circuit also includes depressed part, when this keycap is positioned at this non-pressing position, this depressed part is received this and first is supported by portion and this second is supported by portion.
18. press-key structure as claimed in claim 11, it is characterised in that this press-key structure also includes light guide plate, and this light guide plate is arranged on this film switch circuit.
19. press-key structure as claimed in claim 18, it is characterized in that, this light guide plate has the first snap fit guide hole and the second snap fit guide hole, when this keycap is pressed into pressing position from this non-pressing position, this first snap fit and this second snap fit respectively enter in this first snap fit guide hole and this second snap fit guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176836.6A CN105788924B (en) | 2016-03-24 | 2016-03-24 | Press-key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176836.6A CN105788924B (en) | 2016-03-24 | 2016-03-24 | Press-key structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105788924A true CN105788924A (en) | 2016-07-20 |
| CN105788924B CN105788924B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610176836.6A Active CN105788924B (en) | 2016-03-24 | 2016-03-24 | Press-key structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105788924B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170613A (en) * | 2017-07-05 | 2017-09-15 | 苏州达方电子有限公司 | Press-key structure and its assemble method |
| CN107492461A (en) * | 2017-07-25 | 2017-12-19 | 苏州达方电子有限公司 | Press-key structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10285A (en) * | 1853-11-29 | Sutportistgr falling table-leaves | ||
| US20080023312A1 (en) * | 2006-07-25 | 2008-01-31 | Darfon Electronics Corp. | Keyboard and key assembly thereon |
| CN102044361A (en) * | 2009-10-26 | 2011-05-04 | 致伸科技股份有限公司 | Key structure and keyboard with the same |
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2016
- 2016-03-24 CN CN201610176836.6A patent/CN105788924B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10285A (en) * | 1853-11-29 | Sutportistgr falling table-leaves | ||
| US20080023312A1 (en) * | 2006-07-25 | 2008-01-31 | Darfon Electronics Corp. | Keyboard and key assembly thereon |
| CN102044361A (en) * | 2009-10-26 | 2011-05-04 | 致伸科技股份有限公司 | Key structure and keyboard with the same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170613A (en) * | 2017-07-05 | 2017-09-15 | 苏州达方电子有限公司 | Press-key structure and its assemble method |
| CN107492461A (en) * | 2017-07-25 | 2017-12-19 | 苏州达方电子有限公司 | Press-key structure |
| CN107492461B (en) * | 2017-07-25 | 2020-06-05 | 苏州达方电子有限公司 | Key structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105788924B (en) | 2017-12-01 |
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