CN202855596U - Key device - Google Patents
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- CN202855596U CN202855596U CN 201220445218 CN201220445218U CN202855596U CN 202855596 U CN202855596 U CN 202855596U CN 201220445218 CN201220445218 CN 201220445218 CN 201220445218 U CN201220445218 U CN 201220445218U CN 202855596 U CN202855596 U CN 202855596U
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- keycap
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Abstract
The utility model relates to a key device which includes a key cap, a bottom plate unit, a frame, and an elastic assembly. The key cap includes a convex sheet. The bottom plate unit is provided with a first through hole. The frame includes a storage groove and a first convex block which is slidingly arranged in the first through hole. The storage groove is provided with a main groove part and a limiting part. The frame can move between a normal position and a locking position relative to the bottom plate unit. When the frame is in the normal position, the frame is separated from the bottom plate unit, the convex sheet of the key cap is arranged on the main groove part of the storage groove and can move up and down; and when the frame is in the locking position, the first convex block of the frame presses against a second end of the first through hole, and the convex sheet of the key cap is limited on the limiting part of the storage groove. The elastic assembly is arranged between the key cap and the bottom plate unit, and presses against a hollow cap body of the key cap to provide the elastic bias pressure which drives the key cap to restore to the normal position. The key device has the locking function, and the entire height is reduced in the locking position, so a notebook computer using the key device becomes thinner when being folded and unfolded.
Description
Technical field
The utility model relates to a kind of key device, refers to especially a kind of key device with locking keycap function.
Background technology
General common key device is to utilize to press keycap and come input signal, but under special circumstances, such as authority owner's this computer away from keyboard of computer, and do not want other people key in any data by key device or prevent animal or other people this key device of false touch when this computer, cause curiosity such as the child in the cat raised in the family or the family and remove to touch this key device, therefore need special mechanism that key device is locked.
In addition, the key device designer trends also must cooperate notebook computer towards lightening demand, and still must reduce the whole height of key device, if can reduce the whole height of key device when key device does not use, are more conducive to the notebook computer slimming.So how key device is locked, and when not using, can reduce the whole height of key device, be the target of the art personnel Continual Improvement.
Summary of the invention
The purpose of this utility model is the key device that a kind of tool lock function is provided and whole height can be slimming when not using.
The utility model key device comprises a keycap, a bottom board unit, a framework, and an elastic parts.
This keycap comprises a hollow cap body, and a lug that outwards protrudes out from the lateral border of this hollow cap body.This bottom board unit is arranged at this keycap below, and forms one first perforation that a parallel glide direction is extended, and this first perforation has an opposite first end and one second end.This framework arranges this bottom board unit top, and comprise a framework, the opening that the one hollow cap body that runs through this framework and this keycap of confession wears, the storage tank that one lug that is formed on this framework lower surface and this keycap of confession plugs, and one from this framework lower surface down and the first projection of protruding out of parallel this glide direction, this first projection is arranged at this first perforation slippingly, this storage tank has a major trough section, reach one from this major trough section one side and be parallel to the limiting section that this glide direction is extended, this framework can move between a normality position and a latched position relative to this bottom board unit, when this normality position, this framework and this bottom board unit interval are apart, and the lug of this keycap can up and down status in the major trough section of this storage tank, when this latched position, the second end of this first perforation of the first projection contact of this framework, and the lug of this keycap is limited in the limiting section of this storage tank, this framework can be subjected to a downforce to be displaced downwardly to the upper surface that is butted on this bottom board unit when this normality position, to slide along this first perforation, make the first projection of this framework move to this latched position by past this second extreme direction of this first end of this first perforation, and this keycap move with this framework.This elastic parts is arranged between this keycap and this bottom board unit, and be resisted against the hollow cap body of this keycap, provide this keycap permanent fexible bias pressure of replying this normality position, when this latched position, this keycap compresses this elastic parts toward bottom offset, and this elastic parts is not electrically connected with this bottom board unit.
Preferably, this bottom board unit also forms the second perforation that parallel this glide direction is extended, and has an opposite first end and one second end; This framework also comprises one from this framework lower surface down and the second projection of protruding out of parallel this glide direction, and the position of this second projection is to should the second perforation, when this latched position, and second end of this first perforation of the second projection contact of this framework.
Preferably, this first projection has a head, and one link to each other with this head and width less than the rod body of this head diameter, the first perforation of this bottom board unit has a round hole part, and one link to each other with this round hole part and width less than the slotted hole section of this round hole part diameter, this first end is positioned at this round hole part, this second end is positioned at this slotted hole section, the head of this first projection is arranged on this round hole part movably, and when this latched position, the head of this first projection is butted on this second end.
Preferably, this second perforation of this bottom board unit is spaced on this glide direction with this first perforation.
Preferably, this bottom board unit comprises that the film circuit board, that a substrate, is arranged at this substrate top is arranged at this film circuit board top and insulation film below this framework, this first perforation and this second perforation run through respectively this substrate, this film circuit board and this insulation film.
Preferably, also comprise one and liftably be arranged on the hollow cap body below of keycap and be fixed on the shear type frame of this bottom board unit top, when this latched position, keycap compresses this shear type frame toward bottom offset.
The beneficial effects of the utility model are: when the latched position, the described lug of described keycap is limited in respectively the limiting section of described storage tank by this framework, and this moment, described keycap was locked and can't vertically move and then can't key in signal; Moreover this framework is when latched position, and the height of this keycap reduces compared to the height of this framework at this keycap of normality position, so use this key device in a notebook computer, more is slimming when this notebook computer is folded.
Description of drawings
Fig. 1 is a stereogram, and a preferred embodiment of the utility model key device is described;
Fig. 2 is a three-dimensional exploded view corresponding to Fig. 1;
Fig. 3 is the stereogram of a framework;
Fig. 4 is the stereogram of an insulation film;
Fig. 5 is that this framework is at the vertical view of normality position;
Fig. 6 is a cross-sectional schematic that intercepts along the line 6-6 of Fig. 5;
Fig. 7 illustrates this framework when the normality position, and a keycap is stressed to be pressed down, and the pressure section of an elastic parts contacts the cross-sectional schematic of conducting with the conducting portion of a film circuit board;
Fig. 8 is that this framework is subjected to a vertical view to the power that presses down by the normality position;
Fig. 9 is a cross-sectional schematic that intercepts along the line 9-9 of Fig. 8;
Figure 10 is that this framework is at the vertical view of latched position; And
Figure 11 is a cross-sectional schematic that intercepts along the line 11-11 of Figure 10.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
Consult Fig. 1 and Fig. 2, the preferred embodiment of one of the utility model key device comprises a bottom board unit 1, two keycaps 2, two shear type frames 3 (plunger), two elastic partss 4 and a framework 5.General key device is a plurality of keycaps 2, a plurality of shear type frame 3, and a plurality of elastic partss 4, herein for convenience of description, only with two keycaps 2, two shear type frames 3, and two elastic partss 4 explain for example, but not as limit, key device also can only comprise a keycap 2, a shear type frame 3, and an elastic parts 4.
Consult Fig. 2, Fig. 3 and Fig. 4, bottom board unit 1 forms one first perforation, 11 and 1 second perforation 12 that a parallel glide direction D extends, the first perforation 11 is Pear-Shaped and the second perforation 12 is oblong, and between the two every being arranged on the glide direction D, the first perforation 11 has an opposite first end 111 and 112, the second perforation 12 of one second end have an opposite first end 121 and one second end 122.Bottom board unit 1 comprises that the film circuit board 14, that a substrate that is made of metal 13, is arranged at substrate 13 tops is arranged at film circuit board 14 tops and the insulation film below framework 5 15.The first perforation the 11 and second perforation 12 runs through respectively substrate 13, film circuit board 14 and insulation film 15.In the present embodiment, insulation film 15 is polyester film (mylar).
Each keycap 2 is arranged on bottom board unit 1 top, and comprises a hollow cap body 21, and two two relative corners that are respectively adjacent to hollow cap body 21 from 22, two lugs 22 of two opposite lateral borders lug that outwards protrude out respectively and in the form of sheets of hollow cap body 21.
Each shear type frame 3 and each elastic parts 4 be corresponding to be arranged at 1 of each keycap 2 and bottom board unit, and each shear type frame 3 is used for supporting corresponding each keycap 2, and liftably is arranged on keycap 2 belows and is fixed on substrate 13 tops.Each elastic parts 4 is resisted against the hollow cap body 21 of each keycap 2, and is arranged on insulation film 15 tops, and comprises that one is bell body 41, and a pressure section 42 that is protruded out to film circuit board 14 by body 41 top inner surface.In addition, insulation film 15 also forms respectively the perforation 151 of the pressure section 42 of two described elastic partss 4 of correspondence, the upper surface of film circuit board 14 also forms the conducting portion 141 of two the described perforation of correspondence 151 positions, and each conducting portion 141 can be thin film switch (membrane switch) or other triggering property switch.The pressure section 42 of each elastic parts 4 can be electrically connected with the conducting portion 141 of corresponding film circuit board 14.
In more detail, the first projection 54 is Pear-Shaped and the second projection 55 is oblong, and between the two every being arranged on the glide direction D, and the first projection 54 is slidably disposed on the first perforation the 11 and second projection 55 and is slidably disposed on the second perforation 12.The first projection 54 has a head 541, and one link to each other with head 541 and width less than the rod body 542 of head 541 diameters.The first perforation 11 has a round hole part 113, and one link to each other with round hole part 113 and width less than the slotted hole section 114 of round hole part 113 diameters.
The user is when using key device, and framework 5 can move between a normality position and a latched position relative to bottom board unit 1.
Consult Fig. 5 and Fig. 6, when framework 5 during in the normality position, framework 5 and bottom board unit 1 interval apart, two lugs 22 of each keycap 2 can lay respectively at the major trough section 531 of two storage tanks 53 of framework 5 up and downly.This moment, each keycap 2 can be freely movable, and each elastic parts 4 provides the fexible bias pressure of keycap 2 perseverances of correspondence away from insulation film 15.Consult Fig. 7, when if a certain keycap 2 is pressed down by as shown by arrow I an external force, keycap 2 can move towards substrate 13 perpendicular directions with the shear type frame 3 of correspondence, and keycap 2 is elastic parts 4 corresponding to compression fully, make the pressure section 42 of corresponding elastic parts 4 stretched through insulation film 15 perforation 151 and contact conducting with the conducting portion 141 of film circuit board 14, produce the circuit signal that correspondence is pressed.
If during user's wish locking key device, then framework 5 must be subjected to shown in the arrow II of Fig. 8 and Fig. 9 to the power that presses down by Fig. 5 and normality position shown in Figure 6, make the lower surface of framework 5 be butted on the upper surface of the insulation film 15 of bottom board unit 1, the first projection 54 and the second projection 55 pass respectively the first perforation the 11 and second perforation 12, make the first projection 54 of framework 5 and the second projection 55 respectively by this first end 111 of this first perforation the 11 and second perforation 12,121 are subjected to such as Figure 10 and shown in Figure 11 to past this second end 112 of the power of glide direction D, 122 directions move, that is to say, the rod body 542 that the head 541 of the first projection 54 is butted on first the junction of the first perforation round hole part of 11 113 and slotted hole section 114 and the first projection 54 is butted on the first end 111 of the first perforation 11, then makes the head 541 of the first projection 54 move to the second end 112 of the first perforation 11.On the other hand, framework 5 make described keycap 2 and described shear type frame 3 toward bottom offsets, and described elastic parts 4 is partially compressed by the described lug 22 of the described keycap 2 of described storage tank 53 meeting interlocks.
Consult Figure 10 and Figure 11, when framework 5 during in latched position, the first projection 54 of framework 5 and the second projection 55 abut against respectively second end 112,122 of the first perforation the 11 and second perforation 12, that is to say, the head 541 of the first projection 54 is butted on the second end 112 of the first perforation 11.On the other hand, the described lug 22 of described keycap 2 is limited in respectively the limiting section 532 of described storage tank 53, this moment, described keycap 2 was locked and can't vertically move, and then can't key in signal, and the height of the height of described keycap 2 and the framework 5 described keycap 2 when depressed position equates.
Consult Fig. 9 and Figure 11, should be noted that, when framework 5 during in latched position, because described elastic parts 4 is not fully compressed, therefore the pressure section 42 of described elastic parts 4 can contact with the described conducting portion 141 of film circuit board 14 and is electrically connected transmission one circuit signal.Moreover, also can make the circuit signal misfeed by circuit control.In addition, when framework 5 by the normality position movement of Fig. 5 and Fig. 6 during to the latched position of Figure 10 and Figure 11, the first projection 54 and the second projection 55 by framework 5 pass respectively the first perforation the 11 and second perforation 12 and play the effect of guiding location, make framework 5 in the latched position of Figure 10 and Figure 11, the described lug 22 of keycap 2 more easily is limited in the limiting section 532 of described storage tank 53, the easy glide deflection does not cause locking keycap 2.
Consult Fig. 5, Fig. 8, Fig. 9 and Figure 10, in addition, when the authority owner of computer wants to leave computer, the framework 5 of key device can be passed to latched position as shown in figure 10 by normality position as shown in Figure 5, be made keycap 2 locked and can't make other people or animal by the key device input signal.And the authority owner of computer is when being back to before the computer, can remove the latched position of key device, make framework 5 move to state such as Fig. 8 and Fig. 9 in contrast to glide direction D, allow the described lug 22 of described keycap 2 break away from respectively the limiting section 532 of described storage tank 53 and arrive described major trough section 531, and the elastic-restoring force by described elastic parts 4, described keycap 2 is automatically returned to such as keycap 2 height as described in the normality position of Fig. 5 and Fig. 6, make freely activity and can key in signal of keycap 2.
Consult Fig. 6, Fig. 9 and Figure 11, it is worth mentioning that, the present embodiment is that framework 5 is when latched position as shown in figure 11, framework 5, described keycap 2 and described shear type frame 3 are toward bottom offset, and described elastic parts 4 is partially compressed, cause the height of keycap 2 to reduce, so the key device of using the present embodiment more is slimming in the notebook computer (not shown) when notebook computer is folded.That is to say, notebook computer is when folding, be that the contiguous key device of screen (not shown) and framework 5 are in latched position, and notebook computer upon deployment, be that screen is away from key device, this moment the user can be with the framework 5 of key device by latched position along the state that moves in contrast to glide direction D such as Fig. 8 and Fig. 9, fexible bias pressure by described elastic parts 4, described keycap 2 is automatically replied such as Fig. 5 and normality position shown in Figure 6 and signal can be keyed in, if the user wants to fold notebook computer, first key device is passed to latched position by the normality position, with the contiguous key device of screen, can be finished folding again.
Consult Fig. 2, in the present embodiment, each keycap 2 comprises two lugs 22, the framework 51 of framework 5 forms respectively the storage tank 53 of the lug 22 of corresponding four accommodating keycaps 2, but in design, each keycap 2 also can only comprise a lug 22, and framework 51 forms respectively the storage tank 53 of the lug 22 of corresponding each keycap 2.
In sum, the utility model key device, when the latched position, the described lug 22 of described keycap 2 is limited in respectively the limiting section 532 of described storage tank 53 by framework 5, and this moment, described keycap 2 was locked and can't vertically move and then can't key in signal; Moreover framework 5 is when latched position, and the height of keycap 2 is lower than framework 5 at the height of the keycap 2 of normality position, so applications keys is installed on notebook computer, more is slimming when notebook computer is folded, therefore really can reach the purpose of this utility model.
But the above person, it only is preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, the simple equivalence of namely generally doing according to the utility model claim and utility model description changes and modifies, and all still belongs in the scope that the utility model patent contains.
Claims (6)
1. key device; It is characterized in that: this key device comprises:
One keycap comprises a hollow cap body, and a lug that outwards protrudes out from the lateral border of this hollow cap body;
One bottom board unit is arranged at this keycap below, and forms one first perforation that a parallel glide direction is extended, and this first perforation has an opposite first end and one second end;
One framework, be arranged at this bottom board unit top, and comprise a framework, the opening that the one hollow cap body that runs through this framework and this keycap of confession wears, the storage tank that one lug that is formed on this framework lower surface and this keycap of confession plugs, and one from this framework lower surface down and the first projection of protruding out of parallel this glide direction, this first projection is arranged at this first perforation slippingly, this storage tank has a major trough section, reach one from this major trough section one side and be parallel to the limiting section that this glide direction is extended, this framework can move between a normality position and a latched position relative to this bottom board unit, when this normality position, this framework and this bottom board unit interval are apart, and the lug of this keycap can up and down status in the major trough section of this storage tank, when this latched position, the second end of this first perforation of the first projection contact of this framework, and the lug of this keycap is limited in the limiting section of this storage tank, this framework can be subjected to a downforce to be displaced downwardly to the upper surface that is butted on this bottom board unit when this normality position, to slide along this first perforation, make the first projection of this framework move to this latched position by past this second extreme direction of this first end of this first perforation, and this keycap move with this framework; And
One elastic parts is arranged between this keycap and this bottom board unit, and is resisted against the hollow cap body of this keycap, provide this keycap permanent fexible bias pressure of replying this normality position, when this latched position, this keycap compresses this elastic parts toward bottom offset, and this elastic parts is not electrically connected with this bottom board unit.
2. described key device according to claim 1, it is characterized in that: this bottom board unit also forms the second perforation that parallel this glide direction is extended, and has an opposite first end and one second end; This framework also comprises one from this framework lower surface down and the second projection of protruding out of parallel this glide direction, and the position of this second projection is to should the second perforation, when this latched position, and second end of this first perforation of the second projection contact of this framework.
3. described key device according to claim 1, it is characterized in that: this first projection has a head, and one link to each other with this head and width less than the rod body of this head diameter, the first perforation of this bottom board unit has a round hole part, and one link to each other with this round hole part and width less than the slotted hole section of this round hole part diameter, the first end of this first perforation is positioned at this round hole part, this second end is positioned at this slotted hole section, the head of this first projection is arranged on this round hole part movably, when this latched position, the head of this first projection is butted on this second end.
4. described key device according to claim 2, it is characterized in that: this of this bottom board unit the second perforation is spaced on this glide direction with this first perforation.
5. described key device according to claim 4, it is characterized in that: this bottom board unit comprises that the film circuit board, that a substrate, is arranged at this substrate top is arranged at this film circuit board top and insulation film below this framework, this first perforation and this second perforation run through respectively this substrate, this film circuit board and this insulation film.
6. described key device according to claim 1, it is characterized in that: this key device also comprises one and liftably is arranged on the hollow cap body below of keycap and is fixed on the shear type frame of this bottom board unit top, when this latched position, keycap compresses this shear type frame toward bottom offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220445218 CN202855596U (en) | 2012-09-03 | 2012-09-03 | Key device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220445218 CN202855596U (en) | 2012-09-03 | 2012-09-03 | Key device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855596U true CN202855596U (en) | 2013-04-03 |
Family
ID=47986765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220445218 Expired - Fee Related CN202855596U (en) | 2012-09-03 | 2012-09-03 | Key device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108346542A (en) * | 2018-03-21 | 2018-07-31 | 苏州达方电子有限公司 | A kind of key board unit |
-
2012
- 2012-09-03 CN CN 201220445218 patent/CN202855596U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108346542A (en) * | 2018-03-21 | 2018-07-31 | 苏州达方电子有限公司 | A kind of key board unit |
| CN108346542B (en) * | 2018-03-21 | 2024-01-09 | 苏州达方电子有限公司 | Keyboard device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20130903 |