CN203706644U - Lockable piano keyboard - Google Patents
Lockable piano keyboard Download PDFInfo
- Publication number
- CN203706644U CN203706644U CN201420061045.5U CN201420061045U CN203706644U CN 203706644 U CN203706644 U CN 203706644U CN 201420061045 U CN201420061045 U CN 201420061045U CN 203706644 U CN203706644 U CN 203706644U
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- CN
- China
- Prior art keywords
- elevating mechanism
- switch
- utility
- model
- mounting casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electrophonic Musical Instruments (AREA)
Abstract
The utility model discloses a lockable piano keyboard and relates to the technical field of piano keyboards. A plurality of key rods are mounted on a mounting housing respectively; guide pillars are mounted at the one ends at the bottoms of the key rods; the guide pillars are connected with guide holes in the base in a sliding manner; a limit plate is arranged at the other ends of the key rods; the bottom of the limit plate is connected with an elevating rod of an elevator mechanism; one end of a connecting plate is connected with the base, and the other end of the connecting rod is connected with the elevator mechanism; an open switch and a close switch are respectively connected with the elevator mechanism through guide lines; the open switch is mounted at the bottom of the mounting housing; the close switch is mounted at the upper part of the mounting housing and matched with a cover on the mounting housing. The lockable piano keyboard provided by the utility model effectively protects the keyboard, is convenient to use, prolongs the service life, is simple in structure, simple and convenient in operation, and reduces the maintenance workload.
Description
technical field:
The utility model relates to a kind of fingerboard that can lock, belongs to fingerboard technical field.
background technology:
Existing fingerboard after using easily by other people disorderly by, cause the serviceable life of keyboard short, and easily damage other element, increase maintenance capacity.
utility model content:
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of fingerboard that can lock.
A kind of fingerboard that can lock of the present utility model, it comprises key lever, guidepost, base, mounting casing, it also comprises limiting plate, elevating mechanism, opening switch, closing switch, web joint, several key levers are arranged on respectively on mounting casing, one end of key lever bottom is provided with guidepost, pilot hole on guidepost and base is slidably connected, the other end of key lever bottom is provided with limiting plate, the bottom of limiting plate is connected with the elevating lever of elevating mechanism, one end of web joint is connected with base, its other end is connected with elevating mechanism, opening switch, closing switch is connected with elevating mechanism by wire respectively, opening switch is arranged on the bottom of mounting casing, closing switch is arranged on the top of mounting casing, and closing switch matches with the lid on mounting casing.
As preferably, described opening switch, closing switch are point driving switch.
As preferably, described elevating mechanism is electromagnetic type elevating mechanism.
The beneficial effects of the utility model are: can effectively protect keyboard, and easy to use, increase the service life, simple in structure, easy and simple to handle, reduce maintenance capacity.
accompanying drawing explanation:
For ease of explanation, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of mounting casing in the utility model.
Fig. 3 is elevating mechanism circuit diagram.
In figure: 1-key lever; 2-guidepost; 3-base; 4-mounting casing; 5-limiting plate; 6-elevating mechanism; 7-opening switch; 8-closing switch; 9-web joint.
embodiment:
For making the purpose of this utility model, technical scheme and advantage more cheer and bright, below by the specific embodiment shown in accompanying drawing, the utility model is described.But should be appreciated that, these descriptions are exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, omitted the description to known features and technology, to avoid unnecessarily obscuring concept of the present utility model.
As shown in Figure 1-2, this embodiment is by the following technical solutions: it comprises key lever 1, guidepost 2, base 3, mounting casing 4, it also comprises limiting plate 5, elevating mechanism 6, opening switch 7, closing switch 8, web joint 9, several key levers 1 are arranged on respectively on mounting casing 4, one end of key lever 1 bottom is provided with guidepost 2, guidepost 2 is slidably connected with the pilot hole on base 3, the other end of key lever 1 bottom is provided with limiting plate 5, the bottom of limiting plate 5 is connected with the elevating lever of elevating mechanism 6, one end of web joint 9 is connected with base 3, its other end is connected with elevating mechanism 6, opening switch 7, closing switch 8 is connected with elevating mechanism 6 by wire respectively, opening switch 7 is arranged on the bottom of mounting casing 4, closing switch 8 is arranged on the top of mounting casing 4, and closing switch 8 matches with the lid on mounting casing 4.
Further, described opening switch 7, closing switch 8 are point driving switch.
Further, described elevating mechanism 6 is electromagnetic type elevating mechanism.
The principle of work of this embodiment is: when player uses after piano, lid on mounting casing 4 is covered, now lid can push up closing switch 8, the 21st pin of controller U1 is controlled the 28th pin output low level after high level being detected, triode is disconnected, and relay J 1 is not worked; Limiting plate 5 is connected with the spring on elevating mechanism 6, is played the bottom of key lever 1 by spring top, and now key lever just cannot be pressed; In the time that using, press by needs opening switch 7; controller the 34th pin detects after high level; control the 28th pin and export low Gao Ping; triode is connected; relay J 1 is worked; attract limiting plate 5 to leave the bottom of key lever 1 downwards, key lever 1 can normally be played, the object that realize protection keyboard, increases the service life.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof
.
Claims (3)
1. the fingerboard that can lock, it is characterized in that: it comprises key lever (1), guidepost (2), base (3), mounting casing (4), it also comprises limiting plate (5), elevating mechanism (6), opening switch (7), closing switch (8), web joint (9), several key levers (1) are arranged on respectively on mounting casing (4), one end of key lever (1) bottom is provided with guidepost (2), guidepost (2) is slidably connected with the pilot hole on base (3), the other end of key lever (1) bottom is provided with limiting plate (5), the bottom of limiting plate (5) is connected with the elevating lever of elevating mechanism (6), one end of web joint (9) is connected with base (3), its other end is connected with elevating mechanism (6), opening switch (7), closing switch (8) is connected with elevating mechanism (6) by wire respectively, opening switch (7) is arranged on the bottom of mounting casing (4), closing switch (8) is arranged on the top of mounting casing (4), and closing switch (8) matches with the lid on mounting casing (4).
2. a kind of fingerboard that can lock according to claim 1, is characterized in that: described opening switch (7), closing switch (8) are point driving switch.
3. a kind of fingerboard that can lock according to claim 1, is characterized in that: described elevating mechanism (6) is electromagnetic type elevating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061045.5U CN203706644U (en) | 2014-02-11 | 2014-02-11 | Lockable piano keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061045.5U CN203706644U (en) | 2014-02-11 | 2014-02-11 | Lockable piano keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203706644U true CN203706644U (en) | 2014-07-09 |
Family
ID=51057048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420061045.5U Expired - Fee Related CN203706644U (en) | 2014-02-11 | 2014-02-11 | Lockable piano keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203706644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109674649A (en) * | 2018-12-26 | 2019-04-26 | 苏州成科自控设备有限公司 | A kind of smokeless type temperature controllable intelligent moxibustion instrument |
-
2014
- 2014-02-11 CN CN201420061045.5U patent/CN203706644U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109674649A (en) * | 2018-12-26 | 2019-04-26 | 苏州成科自控设备有限公司 | A kind of smokeless type temperature controllable intelligent moxibustion instrument |
| CN109674649B (en) * | 2018-12-26 | 2023-10-03 | 苏州成科自控设备有限公司 | Smokeless intelligent moxibustion instrument that can adjust temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| C56 | Change in the name or address of the patentee | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Li Inventor after: Lu Xuequan Inventor after: Pu Zhehao Inventor after: Yuan Yuan Inventor before: Lu Li Inventor before: Lu Xuequan Inventor before: Pu Zehao Inventor before: Yuan Yuan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LU LI LU XUEQUAN PIAO ZEHAO YUAN YUAN TO: LU LI LU XUEQUAN PIAO ZHEHAO YUAN YUAN |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 164300 No. 1, Heihe education science and technology zone, Heilongjiang, Xueyuan Road Patentee after: Heihe University Patentee after: Lu Li Patentee after: Lu Xuequan Patentee after: Pu Zhehao Patentee after: Yuan Yuan Address before: 164300 No. 1, Heihe education science and technology zone, Heilongjiang, Xueyuan Road Patentee before: Heihe University Patentee before: Lu Li Patentee before: Lu Xuequan Patentee before: Pu Zehao Patentee before: Yuan Yuan |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20160211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |