CN211457110U - Light variable balance frame key - Google Patents
Light variable balance frame key Download PDFInfo
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- CN211457110U CN211457110U CN202020545352.6U CN202020545352U CN211457110U CN 211457110 U CN211457110 U CN 211457110U CN 202020545352 U CN202020545352 U CN 202020545352U CN 211457110 U CN211457110 U CN 211457110U
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Abstract
The utility model discloses an optical variable balance frame key, which comprises a keycap, a key bottom shell, a balance frame and a reset piece for resetting the balance frame, wherein a truss is arranged at the position of the public frame close to the key bottom shell, a swing arm grating is arranged on the truss, and a light-emitting element and a light-receiving element are arranged at the adjacent positions of the swing arm grating to form a light path; when the key cap is pressed, the swing arm grating gradually changes the light path between the light emitting element and the light receiving element along with the descending of the male frame, so that the luminous flux received by the light receiving element gradually changes to form a light variable signal. The beneficial effects of the utility model are that, adopt the combination of public frame and female frame in ultra-thin button, realized turning into the short stroke that the button was pressed into the enough gradual change volume of grating to luminous flux through the swing arm grating on public frame for ultra-thin button obtains lasting stable light variable signal and becomes possible, has solved the difficult problem that the ultra-thin button of short stroke is difficult to realize the light variable signal among the prior art, and the practicality is strong, has fine market value.
Description
Technical Field
The utility model relates to a button field, concretely relates to light variable quantity type gimbal button.
Background
A keyboard is a command and data entry device used to operate equipment and also refers to a set of function keys arranged to operate a machine or equipment through the system. The keyboard is the most common and main input device, and english letters, numbers, punctuations and the like can be input into the computer through the keyboard, so as to send commands, input data and the like to the computer. With the increasing progress of technology, the thinner and thinner the existing notebook computer is, the thinner and thinner the keyboard thereon is, and the shorter and shorter the key stroke is.
Generally, in a pressing process, a key on the photoelectric keyboard only has one action of blocking or opening an optical path, and can only output a signal once. And some work or game scenes need one key to output a plurality of signals to meet the operation requirement. If a plurality of/group of electric elements are installed on one key, the cost is greatly increased, and the installation difficulty is also higher. Therefore, there is a key on the market that can output multi-segment signals only by one set of electrical elements, for example, zl201710967239.x "method for obtaining pressure-sensitive feedback by implementing luminous flux change on a single optical assembly", in which a dimming area of a light modulation panel is gradually lowered by pressing a key portion, and the light transmission amounts at different positions of the dimming area are different, so that the luminous flux received by a light receiving element is changed in a multi-segment or linear manner, and further, a light variable signal is obtained. The key stroke and the descending height of the light adjusting plate of the light variable key in the method for changing the light flux in a multi-section or linear way are in a relation of 1:1, so that the light variable key cannot be manufactured to be very light and thin. Based on the problem, an optically variable key which can not only meet the characteristic that the key can output an optically variable signal, but also keep the light and thin size is demanded in the market.
SUMMERY OF THE UTILITY MODEL
To solve the above problems, the present invention is directed to an optical variable balance stand key capable of providing an optical variable signal.
In order to realize the technical purpose, the utility model discloses a scheme is: an optical variable balance frame key is used for being matched with a light-emitting element and a light-receiving element to output signals, and comprises a key cap, a key bottom shell, a balance frame and a reset piece, wherein the balance frame is arranged between the key cap and the key bottom shell and consists of a male frame and a female frame which are hinged with each other, the reset piece is used for resetting the balance frame, a truss is arranged at the position, close to the key bottom shell, of the male frame, a swing arm grating is arranged on the truss, and the light-emitting element and the light-receiving element are arranged at the adjacent positions of the swing arm grating to form; when the key cap is pressed, the swing arm grating gradually changes the light path between the light emitting element and the light receiving element along with the descending of the male frame, so that the luminous flux received by the light receiving element gradually changes to form a light variable signal.
Preferably, two stop blocks are further arranged in the key bottom shell, the light emitting element and the light receiving element are respectively positioned on the outer sides of the two stop blocks or on the same side of the two stop blocks, and the swing arm grating is positioned between the two stop blocks; the stop block is provided with a light through hole, and light emitted by the light emitting element is received by the light receiving element through the light through hole.
Further, the swing arm grating is a long light blocking sheet made of opaque materials.
Furthermore, the light emitting element and the light receiving element are located on the same side of the swing arm grating, and the swing arm grating is provided with a light reflecting surface. The beneficial effects of the utility model are that, adopt the combination of public frame and female frame in ultra-thin button, realized turning into the short stroke that the button was pressed into the enough gradual change volume of grating to luminous flux through the swing arm grating on public frame for ultra-thin button obtains lasting stable light variable signal and becomes possible, has solved the difficult problem that the ultra-thin button of short stroke is difficult to realize the light variable signal among the prior art, and the practicality is strong, has fine market value.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention without a keycap;
fig. 4 is a schematic view of a partial structure of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, the embodiment of the present invention is an optical variable balance weight key, used for matching with the light-emitting element and the light-receiving element to output signals, comprises a key cap 7, a key bottom shell 6 and a balancing stand arranged between the key cap 7 and the key bottom shell 6, the balance frame is composed of a male frame 1 and a female frame 2 which are hinged with each other, and also comprises a reset piece 8 for resetting the balance frame after being pressed, a truss 11 is arranged on the male frame 1 at the position close to a key bottom shell 6, the truss 11 is provided with a swing arm grating 5, the light emitting element 4 and the light receiving element 3 are arranged at the adjacent positions of the swing arm grating 5 to form an optical path, when the key cap 7 is pressed, the swing arm grating 5 gradually changes the light path between the light receiving element 3 and the light emitting element 4 along with the descending of the male frame 1, so that the luminous flux received by the light receiving element is gradually changed to form a light variable signal. Wherein the reset piece can be any one of a spring, a torsion spring or a tension spring.
In order to let the change of luminous flux more stable accurate, still be provided with two dogs 9 in key chassis 6, swing arm grating 5 is located in the middle of two dogs 9, the both sides of two dogs are light emitting component 4 and light receiving element 3 respectively, be provided with logical unthreaded hole 10 on the dog 9, the light that light emitting component sent passes through to light receiving element via leading the unthreaded hole, form the light path, the swing arm grating carries out the gradual change to this light path and shelters from, the light path is more concentrated stably like this, be favorable to light receiving element cooperation swing arm grating to obtain accurate stable luminous flux change.
Since the swing arm grating only changes the light flux, in the preferred embodiment, the swing arm grating 5 is designed as a long light-blocking sheet made of opaque material, and the light-emitting element and the light-receiving element are disposed on both sides of the swing arm grating.
Of course, other configurations are possible, such as: the swing arm grating is a long-strip light blocking sheet made of semitransparent materials, and the function of gradually shielding a light path can be met. The strip light blocking sheet made of semitransparent materials can be of a uniform structure with consistent light transmittance, and can also be of a non-uniform structure with different light transmittance. The strip light barrier can also be a light barrier with a partially hollow structure.
Since the swing arm grating only changes the luminous flux, the changed luminous flux can be obtained by adopting a light reflecting mode. The light emitting element and the light receiving element are arranged on the same side of the swing arm grating, the swing arm grating is provided with a reflecting surface, light emitted by the light emitting element is reflected to the light receiving element through the reflecting surface of the swing arm light, and the light receiving element obtains a continuous and stable light variable signal along with the more and more downward movement of the swing arm grating and more reflected light.
The swing arm grating is not simple vertical motion, but is similar to shearing motion of scissors, and the short stroke that has realized pressing the button is converted into the sufficient gradual change volume of grating to luminous flux for it is possible that ultra-thin button obtains the optical variable signal that lasts stable, has solved among the prior art difficult problem that the ultra-thin button of short stroke is difficult to realize the optical variable signal. The key of the application realizes the function of obtaining the optical variable signal without increasing the thickness of the key, and is simple and practical and low in production cost.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (4)
1. An optical variable balance frame key is used for being matched with a light-emitting element and a light-receiving element to output signals, and comprises a key cap, a key bottom shell, a balance frame and a reset piece, wherein the balance frame is arranged between the key cap and the key bottom shell and consists of a male frame and a female frame which are hinged with each other, the reset piece is used for resetting the balance frame, the key variable balance frame key is characterized in that a truss is arranged at the position, close to the key bottom shell, of the male frame, a swing arm grating is arranged on the truss, and the light-emitting element and the light-receiving element are arranged at the adjacent positions; when the key cap is pressed, the swing arm grating gradually changes the light path between the light emitting element and the light receiving element along with the descending of the male frame, so that the luminous flux received by the light receiving element gradually changes to form a light variable signal.
2. The light variable balance key according to claim 1, wherein: the key bottom shell is also internally provided with two stop blocks, the light-emitting element and the light-receiving element are respectively positioned at the outer sides of the two stop blocks, and the swing arm grating is positioned between the two stop blocks; the stop block is provided with a light through hole, and light emitted by the light emitting element is received by the light receiving element through the light through hole.
3. The light variable balance key according to claim 2, wherein: the swing arm grating is a long light blocking sheet made of opaque materials.
4. The light variable balance key according to claim 1, wherein: the light emitting element and the light receiving element are located on the same side of the swing arm grating, and the swing arm grating is provided with a light reflecting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545352.6U CN211457110U (en) | 2020-04-14 | 2020-04-14 | Light variable balance frame key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545352.6U CN211457110U (en) | 2020-04-14 | 2020-04-14 | Light variable balance frame key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211457110U true CN211457110U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020545352.6U Active CN211457110U (en) | 2020-04-14 | 2020-04-14 | Light variable balance frame key |
Country Status (1)
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| CN (1) | CN211457110U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110507A1 (en) * | 2020-11-26 | 2022-06-02 | 广东瑞讯电子科技有限公司 | Pressure adjustable key |
| WO2023035092A1 (en) * | 2021-09-13 | 2023-03-16 | 广东瑞讯电子科技有限公司 | Ultra thin photoelectric key structure having balanced pressing |
| WO2024125337A1 (en) * | 2022-12-13 | 2024-06-20 | 东莞市凯华电子有限公司 | Balance frame trigger type photoelectric conduction mechanism used in button switch |
-
2020
- 2020-04-14 CN CN202020545352.6U patent/CN211457110U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110507A1 (en) * | 2020-11-26 | 2022-06-02 | 广东瑞讯电子科技有限公司 | Pressure adjustable key |
| WO2023035092A1 (en) * | 2021-09-13 | 2023-03-16 | 广东瑞讯电子科技有限公司 | Ultra thin photoelectric key structure having balanced pressing |
| WO2024125337A1 (en) * | 2022-12-13 | 2024-06-20 | 东莞市凯华电子有限公司 | Balance frame trigger type photoelectric conduction mechanism used in button switch |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220130 Address after: 516123 shata section, Tiantou village, Yuanzhou Town, BOLUO County, Huizhou City, Guangdong Province Patentee after: Guangdong Ruixun Electronic Technology Co.,Ltd. Address before: 516123 Tiantou needle sand tower section, Yuanzhou Town, BOLUO County, Huizhou City, Guangdong Province Patentee before: Guangdong Yixun Electronic Technology Co.,Ltd. |