CN210668183U - Key of scissor structure and keyboard applying same - Google Patents
Key of scissor structure and keyboard applying same Download PDFInfo
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- CN210668183U CN210668183U CN201921999192.6U CN201921999192U CN210668183U CN 210668183 U CN210668183 U CN 210668183U CN 201921999192 U CN201921999192 U CN 201921999192U CN 210668183 U CN210668183 U CN 210668183U
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- scissor
- bottom plate
- circuit board
- elastic piece
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Abstract
A key of a scissor-leg structure comprises a bottom plate, a circuit board, an elastic piece, a scissor-leg support and a keycap; the circuit board is arranged on the bottom plate, the elastic piece is arranged on the circuit board, the scissor-foot support is connected to the bottom plate, and the keycap is connected to the scissor-foot support and positioned above the elastic piece; the scissor leg support comprises a left support and a right support, the first end of the left support is hinged with the first end of the right support, the second end of the left support and the second end of the right support are connected with the keycap, a left support shaft is arranged on the left support close to the first end of the left support, and a right support shaft is arranged on the right support close to the first end of the right support; the bottom plate is provided with a hanging buckle, and the left supporting shaft and the right supporting shaft are connected on the hanging buckle and can rotate. Compared with the traditional scissor leg support, the scissor leg support with the technical scheme has the V-shaped structure or the double-wing structure, is simpler than the scissor leg support with the X-shaped structure, occupies smaller space, and has the total thickness of the manufactured keys tending to be lighter and thinner.
Description
Technical Field
The utility model belongs to the technical field of button and keyboard, a button of scissors foot structure is related to, and this button mainly is applied to the button among portable electronic device such as notebook computer type or palm type computer.
Background
The keyboard of the electronic device is a common input device, and the structures used by the keys of the keyboard are mostly only two choices, one is a scissor-foot structure, and the other is a volcanic-mouth structure. The key cap of the crater structure and the keyboard are of the crater structure, and the crater structure is widely adopted in the film keyboard and has low manufacturing cost. The key cap direct contact film, this kind of structure still possesses the waterproof nature of certain degree to a certain extent, and the dismouting degree of difficulty is lower, and the installation is also very simple, and it can to make hard press after aiming at the position.
Most of common scissor foot structures are of an X-shaped structure, most of notebook chocolate keyboards in the market adopt the structure, and the common scissor foot structure is mainly characterized in that a group of X-shaped structure supporting frames are used between a keycap and a rubber bowl, are similar to scissors in shape and are called as scissor feet. This structure can make the user feel when each angle strikes the key cap in the design and say comparatively unanimously to effectively shortened the key journey, effectively reduced user's use fatigue, the endurance is also better than crater structure a little, can effectively reduce the emergence of card key condition.
The scissors feet, the circuit board, the PCBA conductive film, the plastic or hardware bottom plate and the keycaps form the keys, and the keys are widely used for digital peripheral keyboards (mobile phone peripherals, tablet personal computer peripherals or PC peripherals), notebook keyboards, learning keyboards, portable mobile keyboards and the like. Although the traditional keys with X-shaped scissor leg structures are thinner, the existing tube keys have the tendency of further pursuing low height, and when the structure of the scissor legs is improved to improve the performance of a keyboard while the production is carried out with high efficiency and low cost, the production of the ultra-thin keys and the keyboard is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
To not enough among the prior art, the utility model aims to provide a button of scissors foot structure improves scissors foot structure, and the thickness of comparing conventional scissors foot tends frivolous more.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
The technical scheme of the utility model is to provide a key with a scissor-foot structure, which comprises a bottom plate, a circuit board, an elastic piece, a scissor-foot bracket and a keycap;
the circuit board is arranged on the bottom plate, the elastic piece is arranged on the circuit board, the scissor-foot support is connected to the bottom plate, and the keycap is connected to the scissor-foot support and positioned above the elastic piece;
the scissor leg support comprises a left support and a right support, the first end of the left support is hinged with the first end of the right support, the second end of the left support and the second end of the right support are connected with the keycap, a left support shaft is arranged on the left support close to the first end of the left support, and a right support shaft is arranged on the right support close to the first end of the right support;
the bottom plate is provided with a hanging buckle, and the left supporting shaft and the right supporting shaft are connected on the hanging buckle and can rotate.
Compared with the traditional scissor leg support, the scissor leg support with the technical scheme has the V-shaped structure or the double-wing structure, is simpler than the scissor leg support with the X-shaped structure, occupies smaller space, and has the total thickness of the manufactured keys tending to be lighter and thinner.
In an example of the technical solution, the elastic member is a metal dome, the circuit board has a circuit contact, and the metal dome is disposed above the circuit contact and has a gap with the circuit contact.
Or, the elastic piece is a conductive silica gel shell, the circuit board is provided with a circuit contact, and the conductive silica gel shell is arranged above the circuit contact and is spaced from the circuit contact.
Adopt metal dome more conventional conductive silica gel shell be difficult to break, and equipment offset is little, feels, and metal dome can use SMT paster technique to install on the circuit board, and is more stable and the error is little, and the key cap feels the uniformity strong.
In an example of the technical solution, further, the middle of the scissor-foot support is a hollow part, the elastic member is located in the hollow part, and when the keycap moves downwards, the elastic member is contacted with and presses the elastic member.
In an example of the technical solution, the left bracket and the right bracket have the same structure, a rotating shaft and a rotating hole are arranged at the first end of the left bracket, the rotating shaft is matched with the rotating hole of the right bracket, the rotating hole is matched with the rotating shaft of the right bracket, and the left bracket and the right bracket are hinged.
In an example of the technical solution, the second end of the left support is provided with a connecting portion, a buckling portion correspondingly matched with the connecting portion is arranged on the lower surface of the keycap, and the connecting portion is slidably connected in the buckling portion.
In an example of this technical solution, the hanging buckle and the bottom plate are an integrated structure and the hanging buckle is perpendicular to the bottom plate, the hanging buckle includes a first hook portion and a second hook portion that set up in opposite directions, a gap is provided between the first hook portion and the second hook portion, wherein the left support shaft is defined in the first hook portion, and the right support shaft is defined in the second hook portion.
In an example of the technical solution, the base plate is provided with a positioning column of an integrated structure, the positioning column is arranged perpendicular to the base plate, and the positioning column is arranged on the side surface of the hinged shaft of the scissor-leg support, which is axially drawn out.
Furthermore, the circuit board is provided with a hollow hole, the hollow hole is arranged below the hinged joint of the scissor-leg support, and the positioning column or the hanging buckle on the bottom plate penetrates through the hollow hole to protrude to the upper side of the circuit board.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and the drawings in the following description are only directed to some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 shows a structural view of a key in the embodiment of the present application.
FIG. 2 shows a structural view of a keycap in an embodiment of the application.
Fig. 3 shows an exploded view of the key in the embodiment of the present application.
Fig. 4 shows a mounting view of the scissor foot mounts in an embodiment of the present application.
Fig. 5 is a cross-sectional view showing a normal, i.e., non-depressed state of a key in the embodiment of the present application.
Fig. 6 is a sectional view showing a key depression state in the embodiment of the present application.
Fig. 7 is a cross-sectional view showing a normal, i.e., non-depressed state of a key in the embodiment of the present application.
Fig. 8 is a sectional view showing a key depression state in the embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the scope of the present disclosure.
In the following description, suffixes such as "module", "component", "assembly", or "unit" are used only for the convenience of description of the present invention, and do not have a specific meaning per se. And thus may be used mixedly.
The present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
As shown in fig. 1 and fig. 3, the present embodiment is a scissors structure key, which is mainly applied to a keyboard of a notebook computer, and the key includes a bottom plate 10, a circuit board 20, an elastic member 30, a scissors support 40, and a key cap 50, wherein the circuit board is disposed on the bottom plate, the elastic member is disposed on the circuit board, the scissors support is connected to the bottom plate, and the key cap is connected to the scissors support and located above the elastic member.
The elastic piece 30 is a metal dome and is made of metal conductive materials, a circuit contact is arranged on the circuit board and is positioned under the keycap 50 and the metal dome, the metal dome is fixed on the circuit board in a welding mode and is buckled upside down on the circuit contact, and a gap is reserved between the metal dome and the circuit contact in a normal state.
In another example, the elastic member may also be a conductive silicone shell or a silicone pellet, the circuit board has a circuit contact, and the conductive silicone shell is disposed above the circuit contact and has a gap with the circuit contact.
The scissors foot support 40 is in a double-wing shape, the scissors foot support 40 comprises a left support 41 and a right support 42, a first end 411 of the left support 41 is hinged to a first end 421 of the right support 42, a second end 412 of the left support 41 and a second end 422 of the right support are connected with the keycap 50, a left support shaft 413 is arranged on the left support 41 close to the first end 411, and a right support shaft 423 is arranged on the right support close to the first end 421.
Specifically, the left bracket and the right bracket have the same structure, a rotating shaft 414 and a rotating hole 415 are arranged at the first end 411 of the left bracket 41, the rotating shaft of the left bracket is matched with the rotating hole of the right bracket and can rotate, and the rotating hole of the left bracket is matched with the rotating shaft of the right bracket and can rotate, so that the left bracket and the right bracket are hinged.
The left support 41 has two connecting portions 415 at the second end 412, the two connecting portions 415 are disposed at two corner positions of the second end of the left support, as shown in fig. 2, the key cap 50 is configured as a housing, a fastening portion 505 correspondingly engaged with the connecting portions 415 and a fulcrum 501 for pressing the elastic member 30 are disposed on the lower surface of the key cap, the connecting portions are slidably connected in the fastening portion, and the connection between the right support and the key cap is the same as that of the left support.
After the scissors foot support 40 formed after connection is opened, the hollow part 401 is arranged in the middle of the scissors foot support, the elastic piece is located in the hollow part, when the keycap moves downwards, the keycap is contacted with the elastic piece and extrudes the elastic piece, the elastic piece is contacted with the circuit contact to conduct the circuit contact, and the keycap returns to the original position under the reset acting force of the elastic piece or the scissors foot support. The left support shaft 413 and the right support shaft 423 are located on the inner side wall of the hollow part of the scissor bracket.
The hanging buckle 11 and the base plate 10 are of an integral structure, the hanging buckle 11 is perpendicular to the base plate, the hanging buckle comprises a first hook portion 111 and a second hook portion 112 which are arranged in opposite directions, a gap 110 is arranged between the first hook portion and the second hook portion, the left support shaft is limited in the first hook portion, the right support shaft is limited in the second hook portion, and the width of the gap is larger than or equal to the sum of the diameters of the left support shaft and the left support shaft, so that the left support shaft and the left support shaft can pass through the gap during installation.
As shown in fig. 4, when the scissor-foot support is installed, the left support and the right support are firstly combined tightly, the left support shaft and the left support shaft simultaneously pass through the gap between the first hook part and the second hook part, then the left support and the right support are separated and opened, and the left support shaft is pressed into and limited in the first hook part and the right support shaft is pressed into and limited in the second hook part.
As shown in fig. 1 and 3, a positioning column 12 of an integrated structure is arranged on the bottom plate 10, the positioning column is arranged perpendicular to the bottom plate, and is arranged on a side surface of the scissor-leg support, which is hinged to the shaft, and the positioning column is used for limiting the scissor-leg support to move towards two sides to prevent the scissor-leg support from falling off.
The circuit board 20 can be a rigid circuit board, a flexible circuit board or a thin film circuit board, a hollow hole 201 is formed in the circuit board 20, the position of the hollow hole is located below the hinged connection position of the scissor-leg support, and a positioning column or a hanging buckle on the bottom plate penetrates through the hollow hole to protrude above the circuit board.
As shown in fig. 5 to 8, the scissors foot stand of the present embodiment ensures the stability of the movement of the key cap in the vertical direction, which is a cross-sectional view of the state and connection relationship of the scissors foot stand when the key is pressed or not pressed.
In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.
Claims (10)
1. A press key with a scissor-foot structure, which is characterized in that,
comprises a bottom plate, a circuit board, an elastic piece, a scissor-foot bracket and a keycap;
the circuit board is arranged on the bottom plate, the elastic piece is arranged on the circuit board, the scissor-foot support is connected to the bottom plate, and the keycap is connected to the scissor-foot support and positioned above the elastic piece;
the scissor leg support comprises a left support and a right support, the first end of the left support is hinged with the first end of the right support, the second end of the left support and the second end of the right support are connected with the keycap, a left support shaft is arranged on the left support close to the first end of the left support, and a right support shaft is arranged on the right support close to the first end of the right support;
the bottom plate is provided with a hanging buckle, and the left supporting shaft and the right supporting shaft are connected on the hanging buckle and can rotate.
2. The scissors foot structure of claim 1,
the elastic piece is a metal dome, the circuit board is provided with a circuit contact, and the metal dome is arranged above the circuit contact and is spaced from the circuit contact.
3. The scissors foot structure of claim 1,
the elastic piece is a conductive silica gel shell, the circuit board is provided with a circuit contact, and the conductive silica gel shell is arranged above the circuit contact and is spaced from the circuit contact.
4. The scissors foot structure key of claim 2 or 3,
the middle of the scissors foot support is a hollow part, the elastic piece is located in the hollow part, and the keycap moves downwards and then contacts with the elastic piece to extrude the elastic piece.
5. The scissors foot structure of claim 1,
the left support and the right support have the same structure, a rotating shaft and a rotating hole are arranged at the first end of the left support, the rotating shaft of the left support is matched with the rotating hole of the right support, the rotating hole of the left support is matched with the rotating shaft of the right support, and the left support is hinged with the right support.
6. The scissors foot structure of claim 5, wherein,
the second end of left socle is equipped with connecting portion, is provided with the knot position portion that corresponds the cooperation in connecting portion at the lower surface of key cap, and connecting portion sliding connection is in detaining the position portion.
7. The scissors foot structure of claim 1,
hang and detain and be an organic whole structure and hang and detain perpendicular to bottom plate setting with the bottom plate, hang and detain including first hook portion and the second hook portion that sets up in opposite directions, be equipped with the clearance between first hook portion and second hook portion, wherein left side back shaft is injectd in first hook portion, and right side back shaft is injectd in the second hook portion.
8. The scissors foot structure of claim 1,
the bottom plate is provided with a positioning column of an integrated structure, the positioning column is perpendicular to the bottom plate, and the positioning column is arranged on the side face, hinged to the axial side of the scissor leg support, of the square drawer.
9. The scissors foot structure key of claim 7 or 8,
the circuit board is provided with a hollow hole, the hollow hole is arranged below the hinged joint of the scissor leg support, and a positioning column or a hanging buckle on the bottom plate penetrates through the hollow hole to protrude above the circuit board.
10. A key keyboard with a scissor structure, which is characterized in that,
a key comprising a scissor foot construction according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921999192.6U CN210668183U (en) | 2019-11-18 | 2019-11-18 | Key of scissor structure and keyboard applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921999192.6U CN210668183U (en) | 2019-11-18 | 2019-11-18 | Key of scissor structure and keyboard applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210668183U true CN210668183U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921999192.6U Active CN210668183U (en) | 2019-11-18 | 2019-11-18 | Key of scissor structure and keyboard applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210668183U (en) |
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2019
- 2019-11-18 CN CN201921999192.6U patent/CN210668183U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230207 Address after: 518000 Second floor, Building A1, Democratic West Industrial Zone, Democratic Community, Shajing Street, Bao'an District, Shenzhen, Guangdong Patentee after: Shenzhen Hangshi Electronic Technology Co.,Ltd. Address before: 518000 the third and fourth floors of building A1 and the first and second floors of building A2, Minzhu Western Industrial Park, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Hastech Industries Co.,Ltd. |
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| TR01 | Transfer of patent right |