CN114582655A - Keyboard and flexible circuit board - Google Patents
Keyboard and flexible circuit board Download PDFInfo
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- CN114582655A CN114582655A CN202011370543.4A CN202011370543A CN114582655A CN 114582655 A CN114582655 A CN 114582655A CN 202011370543 A CN202011370543 A CN 202011370543A CN 114582655 A CN114582655 A CN 114582655A
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- 230000007246 mechanism Effects 0.000 claims description 17
- 239000000243 solution Substances 0.000 description 10
- 230000003028 elevating effect Effects 0.000 description 5
- 239000010409 thin film Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/704—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by the layers, e.g. by their material or structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/002—Calculator, computer
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- Push-Button Switches (AREA)
Abstract
The invention provides a keyboard and a flexible circuit board. The base is provided with a first plane and a second plane which are parallel to each other and are arranged in a staggered mode in a vertical direction. The flexible circuit board is arranged on the base in the vertical direction. The flexible circuit board comprises a first board part, a second board part and a connecting part for connecting the first board part and the second board part, wherein the first board part is arranged on a first plane, the second board part is arranged on a second plane, and the connecting part is positioned between the first plane and the second plane. The connecting portion extends along an extension path that includes a C-shaped path segment. The connecting part of the flexible circuit board can enable the first board part and the second board part to be respectively positioned on the first plane and the second plane with different heights, so that partial keys in the keyboard can be arranged with different heights, and the phenomenon that the flexible circuit board is difficult to be simultaneously attached to bottom plates with different heights to interfere the action of the keys is avoided.
Description
Technical Field
The present invention relates to a keyboard and a flexible printed circuit board, and more particularly, to a keyboard switch circuit board and a flexible printed circuit board having two portions located on different horizontal planes.
Background
The key caps of a keyboard are generally located on the same plane, so the switch circuit boards are usually located on the same plane. In actual operation, some keys may need to be set at different heights to increase the operation experience of the user or avoid the interference of the keyboard structure. For example, the keyboard has a stepped bottom plate, and specific keys, such as function keys, hot keys, etc., are disposed on a higher portion of the bottom plate, and the remaining keys are disposed on a lower portion of the bottom plate. Therefore, the specific key is more prominent than other keys, so that the user can conveniently identify and press the specific key. At present, in a thin keyboard, a thin film circuit board is generally used as a key circuit switch, but the thin film circuit board has certain elasticity, and the same thin film circuit board is difficult to be simultaneously attached to bottom plates with different heights, so that the actuation of keys is easily interfered, and the triggering actuation of the circuit switch is also easily unstable.
Disclosure of Invention
In view of the problems in the prior art, an object of the present invention is to provide a keyboard having a flexible circuit board connected to different portions thereof by a C-shaped structure, so as to solve the problem that it is difficult to simultaneously attach to substrates at different heights.
According to one aspect of the present invention, the present invention provides a keyboard, comprising:
the base is provided with a first plane and a second plane which are parallel to each other and are arranged in a staggered way in the vertical direction; and
the flexible circuit board is arranged on the base in the vertical direction and comprises a first plate part, a second plate part and a connecting part for connecting the first plate part and the second plate part, the first plate part is arranged on the first plane, the second plate part is arranged on the second plane, the connecting part is located between the first plane and the second plane, the connecting part extends along an extending path, and the extending path comprises a C-shaped path section.
As an optional technical solution, the first plate portion has a first edge portion, the second plate portion has a second edge portion, the first edge portion and the second edge portion extend in parallel along an extending direction, the connecting portion has a first end and a second end, the connecting portion is connected to the first edge portion with the first end and connected to the second edge portion with the second end, the first end and the second end are aligned in a horizontal direction, and the horizontal direction is perpendicular to the extending direction and the vertical direction.
As an alternative solution, the first edge has a first notch, and the first end is located in the first notch.
As an optional technical solution, the base is formed with a first avoidance groove, and the connection portion is movably located in the first avoidance groove.
As an optional technical solution, the base is a step plate, and the step plate has a through hole as the first avoiding groove.
As an optional technical solution, the base is a step plate, and includes a first plate, a second plate and a connecting plate connecting the first plate and the second plate, and the first avoiding groove is formed at a connection position of the first plate and the connecting plate.
As an optional technical solution, the connecting portion defines a first connecting edge and a second connecting edge, the connecting portion is connected to the first board portion by the first connecting edge and connected to the second board portion by the second connecting edge, the first connecting edge is aligned with and connected to the first structure edge of the first board portion, the second connecting edge is aligned with and connected to the second structure edge of the second board portion, and the first connecting edge and the second connecting edge are perpendicular to each other.
As an optional technical solution, the first plate portion, the second plate portion and the connecting portion are integrally formed by the same circuit board.
As an optional technical solution, the flexible circuit board includes a first circuit switch, a second circuit switch and a wire, the first circuit switch is formed on the first board portion, the second circuit switch is formed on the second board portion, and the wire is formed on the connecting portion, and the wire is connected to the second circuit switch.
As an optional technical solution, the base further includes an upper cover, and the upper cover presses the first plate portion and the second plate portion on the base.
As an optional technical solution, the electronic device further includes a first key cap and a first lifting mechanism, wherein the flexible circuit board includes a first circuit switch formed on the first board portion, the upper cover has a first opening, the first key cap is disposed above the first circuit switch and exposed from the first opening, the first lifting mechanism is connected between the first key cap and the base, and the first key cap is vertically movable relative to the base via the first lifting mechanism to trigger the first circuit switch.
According to another aspect of the present invention, a flexible circuit board includes a first board portion, a second board portion and a connecting portion connecting the first board portion and the second board portion, the first board portion is located on a first plane, the second board portion is located on a second plane, the first plane and the second plane are parallel to each other and are offset from each other in a vertical direction, the connecting portion is located between the first plane and the second plane, the connecting portion extends along an extending path, and the extending path includes a C-shaped path section.
In summary, in the flexible printed circuit board of the present invention, the connecting portion can enable the first board portion and the second board portion of the flexible printed circuit board to be respectively located on the first plane and the second plane with different heights, so as to effectively suppress or eliminate the pulling force between the first board portion and the second board portion after the first board portion and the second board portion are placed on the first plane and the second plane, and further enable the first board portion to be effectively flatly attached to the first plane and the second board portion to be effectively flatly attached to the second plane. Therefore, partial keys in the keyboard can be arranged at different heights, the phenomenon that the flexible circuit board is difficult to be attached to the bottom plates at different heights at the same time to interfere with the action of the keys is avoided, and the phenomenon that the flexible circuit board is difficult to be attached to the bottom plates at different heights at the same time to cause unstable triggering action of the circuit switch is avoided.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
FIG. 1 is a schematic diagram of a keyboard according to a first embodiment of the present invention;
FIG. 2 is an exploded view of a portion of the keyboard of FIG. 1;
FIG. 3 is an exploded view of the base and flexible circuit board of the keyboard of FIG. 1;
FIG. 4 is an enlarged view of a portion of the flexible circuit board stacked on the base;
FIG. 5 is an exploded view of circle A in FIG. 4;
FIG. 6 is a top view of circle A in FIG. 4;
FIG. 7 is a cross-sectional view of the keyboard of FIG. 1 taken along line X-X;
fig. 8 is a schematic view of a connection portion of a flexible circuit board according to a second embodiment of the present invention;
fig. 9 is a schematic view of a connection portion of a flexible circuit board according to a third embodiment of the present invention;
fig. 10 is a partial schematic view of a flexible circuit board according to a fourth embodiment of the present invention;
fig. 11 is a plan view of a flexible circuit board according to a fifth embodiment of the present invention.
Detailed Description
Please refer to fig. 1 to 3. The keyboard 1 according to the first embodiment of the present invention is suitable for a notebook computer (the outline of which is shown in fig. 1 by a dotted line). The keyboard 1 includes a base 10, a plurality of key caps disposed above the base 10, a plurality of lifting mechanisms connected between the base 10 and the key caps, a flexible circuit board 16 (shown as a solid plate in fig. 3 for simplicity), disposed below the key caps, a plurality of elastic restoring members disposed between the key caps and the base 10, and an upper cover 20 disposed above the base 10. The plurality of key caps includes a plurality of first key caps 122 arranged in the first region 12a (shown by the dashed circle in fig. 1) and a plurality of second key caps 124 located in the second region 12b (shown by the dashed circle in fig. 1). Each of the key caps corresponds to an elevating mechanism, for example, the first key cap 122 corresponds to the first elevating mechanism 142, the second key cap 124 corresponds to the second elevating mechanism 144, the first elevating mechanism 142 is connected between the corresponding first key cap 122 and the base 10, and the second elevating mechanism 144 is connected between the corresponding second key cap 124 and the base 10. The key cap is movable up and down in a vertical direction Dv (shown in the figure as a double-headed arrow) relative to the base 10 via a corresponding lifting mechanism. The lifting mechanism can be made of a scissor-foot support, a butterfly support or other mechanisms which can provide the corresponding keycaps to move up and down; in practice, the lifting mechanism of the long keycap (such as space key, enter key, backspace key, shift key, etc.) can be made of a plurality of scissor-foot supports, butterfly supports, or a combination thereof. The flexible circuit board 16 has a plurality of circuit switches (for simplicity, the arrangement positions are indicated by circles with oblique lines), each circuit switch corresponds to one key cap, for example, the first key cap 122 corresponds to the first circuit switch 16a, the second circuit switch 16b corresponds to the second key cap 124, the first key cap 122 is located above the first circuit switch 16a, and the second key cap 124 is located above the second circuit switch 16 b; in actual operation, the keycap with the longer length can correspond to a plurality of circuit switches. Each elastic reset piece corresponds to one keycap, for example, the first elastic reset piece 182 corresponds to the first keycap 122, and the second elastic reset piece 184 corresponds to the second keycap 124; in actual operation, the keycap with longer length can correspond to a plurality of elastic resetting pieces. The elastic restoring member can be made of, for example and without limitation, a rubber dome, which can be pressed to be elastically deformed (for example, pressed by the corresponding keycap moving downwards), and the generated resilient force can drive the corresponding keycap to move upwards and return to the original position. In the first embodiment, the first elastic restoring member 182 corresponds to the first circuit switch 16a, and the second elastic restoring member 184 corresponds to the second circuit switch 16b, so that the first key cap 122 can press the first elastic restoring member 182 to trigger the first circuit switch 16a, and the second key cap 124 can press the second elastic restoring member 184 to trigger the second circuit switch 16 b. The upper cover 20 has a plurality of openings, wherein an opening of the plurality of openings corresponding to the first key cap 122 is a first opening 20a, an opening of the plurality of openings corresponding to the second key cap 124 is a second opening 20b, and the plurality of key caps (the first key cap 122 and the second key cap 124) are exposed through the plurality of openings, for example, the first key cap 122 is exposed through the first opening 20a, and the second key cap 124 is exposed through the second openings 20 b.
Please also refer to fig. 4-6. In the first embodiment, the base 10 has a first plane 10a and a second plane 10b, and the first plane 10a and the second plane 10b are parallel to each other and are disposed in a staggered manner in the vertical direction Dv. The first plane 10a corresponds to the first region 12a, and the second plane 10b corresponds to the second region 12 b. The flexible circuit board 16 is disposed on the base 10 in the vertical direction Dv and includes a first plate portion 162, a second plate portion 164, and a plurality of connecting portions 166 connecting the first plate portion 162 and the second plate portion 164, the first plate portion 162 is disposed on the first plane 10a, the second plate portion 164 is disposed on the second plane 10b, and the connecting portions 166 are located between the first plane 10a and the second plane 10 b. The flexible circuit board 16 can be placed on the first plane 10a and the second plane 10b having different heights at the same time by the connection portion 166. Also, the connecting portion 166 extends along an extended path 166a (shown in phantom in fig. 6), the extended path 166a including a C-shaped path segment (or, in the view of fig. 6, an inverted C-shaped path segment), such that the connecting portion 166 can provide structural flexibility; on the other hand, the connecting portion 166 provides structural buffering to facilitate the first plate portion 162 and the second plate portion 164 to be displaced in the vertical direction Dv. This configuration can effectively suppress or eliminate the pulling force between the first plate portion 162 and the second plate portion 164 after the first plate portion 162 is placed on the first plane 10a and the second plate portion 164 is placed on the second plane 10b, so that the first plate portion 162 can effectively and flatly stick to the first plane 10a and the second plate portion 164 can effectively and flatly stick to the second plane 10 b.
In the first embodiment, the first plate portion 162 has a first edge 162a, the second plate portion 164 has a second edge 164a, and the first edge 162a and the second edge 164a extend in parallel along an extending direction De (indicated by a double-headed arrow in the figure). Connecting portion 166 has a first end 1662 and a second end 1664, connecting portion 166 is connected to first edge 162a at first end 1662 and to second edge 164a at second end 1664, and first end 1662 and second end 1664 are aligned in a horizontal direction Dh (indicated in the figure by a double-headed arrow) perpendicular to extending direction De and vertical direction Dv. The C-shaped path segment is located to the right of the line connecting first end 1662 and second end 1664 in horizontal direction Dh from the perspective of fig. 6. The first end 1662 and the second end 1664 are aligned in the horizontal direction Dh, which means that the projection of the first end 1662 in the horizontal direction Dh and the projection of the second end 1664 in the horizontal direction Dh at least partially overlap, and is not limited to that the edge extension lines or the central line extension lines of the first end 1662 and the second end 1664 are coincident in the horizontal direction Dh. However, in practice, it is not limited to this, for example, the first end 1662 and the second end 1664 are offset in the horizontal direction Dh.
In addition, in the first embodiment, first edge portion 162a has first notch 162b, and first end 1662 is positioned within first notch 162 b. Second edge portion 164a has a second notch 164b, and second end 1664 is located within second notch 164 b. The first notch 162b and the second notch 164b both contribute to the first plate 162 and the second plate 164 being able to be disposed close to each other in the horizontal direction Dh. In the first embodiment, the first recess 162b and the second recess 164b substantially jointly receive the connecting portion 166.
In addition, in the first embodiment, the connecting portion 166 defines a first connecting edge 166b and a second connecting edge 166c (both shown in dashed lines in fig. 6 at the first end 1662 and the second end 1664), and the connecting portion 166 is connected to the first plate portion 162 by the first connecting edge 166b and connected to the second plate portion 164 by the second connecting edge 166 c. In the first embodiment, the first connecting edge 166b is aligned with and connected to the first structure edge 162c of the first plate portion 162 (or the first edge portion 162a), the second connecting edge 166c is aligned with and connected to the second structure edge 164c of the second plate portion 164 (or the second edge portion 164a), and the first connecting edge 166b and the second connecting edge 166c are perpendicular to each other; however, the method is not limited to this. The first structure edge 162c is a structure edge of the first recess 162b, and the second structure edge 164c is a structure edge of the second recess 164b, but it is not limited thereto in practical applications.
In addition, in the first embodiment, the first plate portion 162, the second plate portion 164, and the connecting portion 166 are integrally formed by the same circuit board. For example, the flexible printed circuit 16 is made of a thin film circuit board, which includes an upper circuit carrier, a lower circuit carrier and a middle insulating plate disposed between the upper circuit carrier and the lower circuit carrier, and the circuit switch is made of contacts disposed on the upper circuit carrier and the lower circuit carrier. In practical operation, the flexible Circuit Board 16 can be implemented by other structures, such as a flexible Circuit Board (FPC) with a touch switch. For another example, a corresponding switch contact is formed on the FPC, and the elastic restoring member has a conductive portion so that the conductive portion can conduct the switch contact when the elastic restoring member is pressed downward. In the first embodiment, the first circuit switch 16a is formed on the first plate portion 162, the second circuit switch 16b is formed on the second plate portion 164, the flexible circuit board 16 further includes a lead 16c (a partial outline of which is shown in fig. 5 by a dotted line) formed on the connecting portion 166, and the lead 16c is connected to the second circuit switch 16 b. In operation, the circuit on the second board portion 164 is connected to the circuit on the first board portion 162 via the circuit (including the conducting wire 16c) on the connecting portion 166, and the flexible circuit board 16 is integrally connected to the external communication (e.g., the main board of the notebook computer) via the circuit on the first board portion 162.
In the first embodiment, the base 10 forms the first avoiding groove 10c, and the connecting portion 166 is movably located in the first avoiding groove 10c to avoid the connecting portion 166 from structurally interfering with the base 10, which also helps to make the first plate portion 162 effectively flatly attached to the first plane 10a and the second plate portion 164 effectively flatly attached to the second plane 10 b. In addition, in the first embodiment, the base 10 is a stepped plate having a through hole as the first avoiding groove 10 c. The stepped plate includes a first plate 102, a second plate 104, and a connecting plate 106 connecting the first plate 102 and the second plate 104, and the first avoiding groove 10c is formed at a connection portion between the first plate 102 and the connecting plate 106. The step plate can be realized by stamping a metal plate, but the operation is not limited to this. The first avoiding groove 10c is not limited to a through hole, for example, a groove is formed at the connection position of the first board 102 and the connecting board 106 by stamping, and the connecting portion 166 is movably located in the groove to replace the through hole and serve as the first avoiding groove 10 c. In practice, the base 10 is not limited to a plate-shaped structure, and may be formed by machining, injection molding, or the like to have a single structure or a combined structure with different height planes (for the first plate portion 162 and the second plate portion 164 to be placed).
Please also refer to fig. 7. In the first embodiment, the top cover 20 presses against the first plate 162 and the second plate 164 on the base 10 (the top cover 20 presses against the first plate 162 on the first plane 10a of the base 10 and the top cover 20 presses against the second plate 164 on the second plane 10b of the base 10). This configuration helps to allow the first plate portion 162 to lie effectively flat against the first plane 10a and the second plate portion 164 to lie effectively flat against the second plane 10 b. In addition, in the first embodiment, the second avoiding groove 202 (as shown in fig. 2) is formed at the position of the upper cover 20 corresponding to the connecting portion 166 to avoid the structural interference between the connecting portion 166 and the upper cover 20, which also helps to make the first plate portion 162 effectively flatly attached to the first plane 10a and the second plate portion 164 effectively flatly attached to the second plane 10 b.
In addition, in the first embodiment, the connecting portion 166 provides structural flexibility with a C-shaped bent portion, but the implementation is not limited thereto. For example, as shown in the second embodiment of FIG. 8, the connecting portion 166' provides structural flexibility with an S-shaped bend, and the path 166a ' of the connecting portion 166' is S-shaped. Logically, on the other hand, the S-shaped curve includes two C-shaped curves and the extended path 166a' includes two C-shaped path segments. For another example, as shown in fig. 9, in the third embodiment, the connecting portion 166 "also provides structural flexibility with an S-shaped curved portion (i.e., the extending path 166a" also has an S-shape), and the two ends of the S-shaped curved portion are aligned in the horizontal direction Dh. In practice, the connecting portion 166 may be replaced by other curved structures (such as W-shaped, spiral-shaped, and combination of multiple curved structures), which are not described in detail. In addition, in the first embodiment, the flexible circuit board 16 utilizes the first recess 162b and the second recess 164b to accommodate the connecting portion 166, so that the first plate portion 162 and the second plate portion 164 can be disposed close to each other in the horizontal direction Dh; however, the method is not limited to this. For example, as shown in fig. 10, in the fourth embodiment, neither the first plate portion 162 'nor the second plate portion 164' has the notch structure, and the first plate portion 162 'and the second plate portion 164' are spaced apart from each other in the horizontal direction Dh to facilitate the arrangement of the connecting portion 166.
In addition, in the first embodiment, the first plate portion 162, the second plate portion 164 and the connecting portion 166 are formed by removing material (cutting off a partial region), so that a gap is formed between the connecting portion 166 and the first plate portion 162 and the second plate portion 164, but the actual operation is not limited thereto. For example, as shown in fig. 11, in the fifth embodiment, the connection portion 176 (connecting the first plate portion 172 and the second plate portion 174) of the flexible circuit board 17 is formed in a manner without removing material (for example, simply tearing the flexible circuit board 17), and this structure configuration helps to improve the utilization rate of the flexible circuit board and reduce the material cost.
In addition, in the first embodiment, the top surface of the first key cap 122 and the top surface of the second key cap 124 are substantially coplanar, the top surface of the first key cap 124 is smaller, the pressing stroke is also shorter, and the first key cap can be used as a functional key cap, but the practical operation is not limited thereto. For example, the second key cap 124 protrudes relative to the first key cap 122 in the vertical direction Dv. In addition, in practical applications, the height difference between the first plane 10a and the second plane 10b in the vertical direction Dv may be generated for other reasons. For example, the second plane 10b is raised to match the structural size of the second lifting mechanism 144. For another example, the second plane 10b is raised by the base 10 for disposing other structural configurations (e.g., configurations or element configurations in a notebook computer). For another example, in order to increase the visibility of the second key cap 124 to the user and the convenience of pressing, the position of the key cap 124 is increased by increasing the second plane 10 b.
In addition, in the first embodiment, the keyboard 1 is used as a keyboard of a notebook computer, but the actual operation is not limited thereto. For example, the keyboard 1 may be adapted to other devices having a keyboard, such as an inner key keyboard on a control panel of an apparatus, with appropriate structural modifications. For another example, the keyboard 1 may also be modified to form a stand-alone device, such as a keyboard of a desktop computer, a wireless keyboard, a numeric keyboard, etc., with appropriate structural modifications.
In summary, in the flexible printed circuit board of the present invention, the connecting portion can enable the first board portion and the second board portion of the flexible printed circuit board to be respectively located on the first plane and the second plane with different heights, so as to effectively suppress or eliminate the pulling force between the first board portion and the second board portion after the first board portion and the second board portion are placed on the first plane and the second plane, and further enable the first board portion to be effectively flatly attached to the first plane and the second board portion to be effectively flatly attached to the second plane. Therefore, partial keys in the keyboard can be arranged at different heights, the phenomenon that the flexible circuit board is difficult to be attached to the bottom plates at different heights at the same time to interfere with the action of the keys is avoided, and the phenomenon that the flexible circuit board is difficult to be attached to the bottom plates at different heights at the same time to cause unstable triggering action of the circuit switch is avoided.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (12)
1. A keyboard, comprising:
the base is provided with a first plane and a second plane which are parallel to each other and are arranged in a staggered way in the vertical direction; and
the flexible circuit board is arranged on the base in the vertical direction and comprises a first plate part, a second plate part and a connecting part for connecting the first plate part and the second plate part, the first plate part is arranged on the first plane, the second plate part is arranged on the second plane, the connecting part is located between the first plane and the second plane, the connecting part extends along an extending path, and the extending path comprises a C-shaped path section.
2. The keyboard of claim 1, wherein the first plate portion has a first edge, the second plate portion has a second edge, the first edge and the second edge extend in parallel along an extending direction, the connecting portion has a first end and a second end, the connecting portion is connected to the first edge at the first end and connected to the second edge at the second end, the first end and the second end are aligned in a horizontal direction, the horizontal direction is perpendicular to the extending direction and the vertical direction.
3. The keyboard as in claim 2, wherein the first edge has a first notch, the first end being located in the first notch.
4. The keyboard as claimed in claim 1, wherein the base is formed with a first escape slot, and the connecting portion is movably disposed in the first escape slot.
5. The keyboard as claimed in claim 4, wherein the base is a step plate having a through hole as the first avoiding groove.
6. The keyboard as claimed in claim 4, wherein the base is a step board comprising a first board, a second board and a connecting board connecting the first board and the second board, the first avoiding groove is formed at a connection position of the first board and the connecting board.
7. The keyboard of claim 1, wherein the connecting portion defines a first connecting edge and a second connecting edge thereon, the connecting portion being connected to the first board portion at the first connecting edge and to the second board portion at the second connecting edge, the first connecting edge being aligned with and connected to the first structural edge of the first board portion, the second connecting edge being aligned with and connected to the second structural edge of the second board portion, the first connecting edge and the second connecting edge being perpendicular to each other.
8. The keyboard of claim 1, wherein the first plate portion, the second plate portion and the connecting portion are integrally formed from the same circuit board.
9. The keyboard of claim 1, wherein the flexible circuit board comprises a first circuit switch, a second circuit switch and a conductive wire, the first circuit switch is formed on the first board portion, the second circuit switch is formed on the second board portion, and the conductive wire is formed on the connecting portion, the conductive wire is connected to the second circuit switch.
10. The keyboard of claim 1, further comprising a top cover, wherein the top cover presses the first board and the second board against the base.
11. The keyboard of claim 10, further comprising a first key cap and a first lifting mechanism, wherein the flexible circuit board comprises a first circuit switch formed on the first board portion, the upper cover has a first opening, the first key cap is disposed above the first circuit switch and exposed from the first opening, the first lifting mechanism is connected between the first key cap and the base, and the first key cap is vertically movable relative to the base via the first lifting mechanism to activate the first circuit switch.
12. A flexible circuit board is characterized by comprising a first board part, a second board part and a connecting part for connecting the first board part and the second board part, wherein the first board part is positioned on a first plane, the second board part is positioned on a second plane, the first plane and the second plane are parallel to each other and are staggered in a vertical direction, the connecting part is positioned between the first plane and the second plane, the connecting part extends along an extending path, and the extending path comprises a C-shaped path section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370543.4A CN114582655B (en) | 2020-11-30 | 2020-11-30 | Keyboard and flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370543.4A CN114582655B (en) | 2020-11-30 | 2020-11-30 | Keyboard and flexible circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114582655A true CN114582655A (en) | 2022-06-03 |
| CN114582655B CN114582655B (en) | 2023-11-14 |
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ID=81768255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011370543.4A Active CN114582655B (en) | 2020-11-30 | 2020-11-30 | Keyboard and flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114582655B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012011448U1 (en) * | 2012-11-28 | 2013-01-09 | Zippy Technology Corp. | Easy to install, thin keyboard |
| CN111009436A (en) * | 2018-10-04 | 2020-04-14 | 群光电子股份有限公司 | Keyboard with a keyboard body |
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2020
- 2020-11-30 CN CN202011370543.4A patent/CN114582655B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012011448U1 (en) * | 2012-11-28 | 2013-01-09 | Zippy Technology Corp. | Easy to install, thin keyboard |
| CN111009436A (en) * | 2018-10-04 | 2020-04-14 | 群光电子股份有限公司 | Keyboard with a keyboard body |
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| Publication number | Publication date |
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| CN114582655B (en) | 2023-11-14 |
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