CN207852294U - A kind of piano automatic Playing driving device - Google Patents
A kind of piano automatic Playing driving device Download PDFInfo
- Publication number
- CN207852294U CN207852294U CN201820338267.5U CN201820338267U CN207852294U CN 207852294 U CN207852294 U CN 207852294U CN 201820338267 U CN201820338267 U CN 201820338267U CN 207852294 U CN207852294 U CN 207852294U
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- CN
- China
- Prior art keywords
- slide unit
- upper slide
- compression bar
- bottom end
- fixedly connected
- 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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Abstract
It is disclosed by the utility model to belong to piano design field,Specially a kind of piano automatic Playing driving device,Including holder,The upper and lower ends of the inner cavity of the holder are laterally fixedly connected with litter,It is arranged with upper slide unit respectively at the outer rim of litter described in top,The bottom end of the upper slide unit, which is run through, compression bar,And spacing ring is located at the bottom end of upper slide unit,It is fixedly connected with spring between the upper slide unit and spacing ring,By the way that one group of spring is arranged between spacing ring and upper cunning,And it is fixedly connected with one group of iron block on the top of compression bar,So that electromagnet adsorbs iron block when being powered,To drive compression bar to push,Spring is stretched,When needing to reset,Electromagnet need to only be powered off,Being restPosed by spring drives compression bar to move upwards,Avoid the use of magnet,It is effectively saved production cost,To the larger problem that consumes energy brought that also avoids continuing to be powered.
Description
Technical field
It is disclosed by the utility model to belong to piano design field, specially a kind of piano automatic Playing driving device.
Background technology
Piano (Italian:Pianoforte) it is a kind of keyboard instrument in western classical music, is divided into grand piano
And upright piano, it is made of 88 keys (52 white keys, 36 black keys) and metallic cord soundboard.Italian Ke Li David Stauffer profits
(Bartolomeo Cristofori, 1655-1731) has invented piano piano range scope in 1709 from A2 (27.5Hz) extremely
C5 (4186Hz), almost enumerates the whole musical sounds in Musical System.Piano is commonly used to the performances such as solo, ensemble, accompaniment, makees
Bent and rehearsal music is very convenient.Player encloses the gavel of carpet by by the key on lower keyboard, affecting inside piano,
Then steel wire string is tapped to make a sound.Piano needs the nursing of timing, and the tone color to ensure it is constant.Traditional piano automatic Playing
Device is generally respectively provided with one group of pressing key on the top of every group of key, the equal fixed magnet in top of every group of pressing key, and on top
One group of electromagnet is fixed on the top of magnet, realizes that the pushing and reset of pressing key, this mode are not only needed by changing current direction
A large amount of magnet and electromagnet are used, every group of electromagnet needs constantly to be powered when working at the same time, to ensure electromagnet to magnetic
The absorption or repulsion of iron, to cause production cost higher, consume energy larger problem.For this purpose, we have proposed a kind of piano from
Dynamic driving device of playing comes into operation, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of piano automatic Playing driving devices, to solve in above-mentioned background technology
The traditional piano player proposed is generally respectively provided with one group of pressing key on the top of every group of key, every group of pressing key
The equal fixed magnet in top, and one group of electromagnet is fixed on the top of top magnet, realize pressing key by changing current direction
It pushes and resets, this mode not only needs to use a large amount of magnet and electromagnet, and every group of electromagnet needs not when working at the same time
Open close electricity, to ensure absorption or repulsion of the electromagnet to magnet, to cause production cost higher, consume energy larger problem.
To achieve the above object, the utility model provides the following technical solutions：A kind of piano automatic Playing driving device, packet
Include holder, the upper and lower ends of the inner cavity of the holder are laterally fixedly connected with litter, at the outer rim of litter described in top
It is arranged with upper slide unit respectively, the front end of the upper slide unit offers integrally formed groove, and the bottom end of the upper slide unit is run through
There are compression bar, the top of the compression bar to be fixedly connected with iron block, the front bottom end of the iron block is equipped with electromagnet, and electromagnet passes through
Bolt is fixedly connected with upper slide unit, integrally formed spacing ring is equipped at the outer rim of the compression bar, and spacing ring is located at
The bottom end of upper slide unit is fixedly connected with spring between the upper slide unit and spacing ring, and spring pocket is set to the outer rim of compression bar
Locate, lower slide unit identical with upper slide unit structure, described rack bore or so two are arranged at the outer rim of litter described in bottom end
Side wall has been fixedly connected with cylinder, the right end with the left end of upper slide unit and lower slide unit respectively of the output end of cylinder described in two groups of left and right
It is fixedly connected.
Preferably, the bottom end of the compression bar has been bolted to connection rubber press, the upper slide unit and lower slide unit bottom
The compression bar at end is equipped with ten groups, is arranged alternately in front and back between compression bar described in two adjacent groups.
Preferably, the compression bar bottom end that the upper slide unit and lower slide unit are slidably connected is all in the same horizontal plane, the upper cunning
Open the through-hole being adapted to litter in the left end bottom end of platform.
Compared with prior art, the utility model has the beneficial effects that：By being arranged one between spacing ring and upper cunning
Group spring, and it is fixedly connected with one group of iron block on the top of compression bar so that electromagnet adsorbs iron block when being powered, to dynamic pressure
Bar pushes, and spring is stretched, and when needing to reset, need to only power off electromagnet, be restPosed by spring and drive compression bar
Move upwards, avoid the use of magnet, be effectively saved production cost, to also avoid continuing being powered the energy consumption that brings compared with
Big problem.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model upper slide unit right view；
Fig. 3 is the utility model upper slide unit bottom substance schematic diagram.
In figure：1 holder, 2 litter, 3 upper slide units, 31 lower slide units, 32 through-holes, 4 grooves, 5 electromagnet, 6 iron blocks, 7 compression bars, 71
Spacing ring, 8 springs, 9 cylinders, 10 rubber press.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of piano automatic Playing driving device, including
Holder 1, the upper and lower ends of the inner cavity of the holder 1 are laterally fixedly connected with litter 2, the outer rim of litter 2 described in top
Place is arranged with upper slide unit 3 respectively, and the front end of the upper slide unit 3 offers integrally formed groove 4, the bottom of the upper slide unit 3
Through having compression bar 7, the top of the compression bar 7 to be fixedly connected with iron block 6, the front bottom end of the iron block 6 is equipped with electromagnet 5 at end,
And being fixedly connected by bolt and upper slide unit 3 of electromagnet 5, integrally formed limit is equipped at the outer rim of the compression bar 7
Ring 71, and spacing ring 71 is located at the bottom end of upper slide unit 3, and spring 8 is fixedly connected between the upper slide unit 3 and spacing ring 71, and
Spring 8 is sheathed at the outer rim of compression bar 7, is arranged at the outer rim of litter 2 described in bottom end identical as 3 structure of upper slide unit
Lower slide unit 31, wall has been fixedly connected with cylinder 9 at left and right sides of 1 inner cavity of the holder, the output end of cylinder 9 described in two groups of left and right
It is fixedly connected respectively with the right end of the left end of upper slide unit 3 and lower slide unit 31.
Wherein, the bottom end of the compression bar 7 has been bolted to connection rubber press 10, the upper slide unit 3 and lower slide unit
The compression bar 7 of 31 bottom ends is equipped with ten groups, is arranged alternately in front and back between compression bar 7 described in two adjacent groups, the upper slide unit 3 and downslide
7 bottom end of compression bar that platform 31 is slidably connected is all in the same horizontal plane, and the left end bottom end of the upper slide unit 3 is opened to be adapted to litter 2
Through-hole 32.
Operation principle：The device is fixedly mounted on to the top of fingerboard, when need press a certain button of fingerboard
When, cylinder 9 is flexible to drive upper slide unit 3 and lower slide unit 31 to horizontally slip along litter 2, when moving to the top of button, electromagnet 5
It is powered so that electromagnet 5 adsorbs 7 top iron block 6 of compression bar, to drive compression bar 7 to move downward so that 7 bottom end of compression bar
Rubber press 10 presses the piano key of bottom end, and electromagnet 5 powers off after pressing so that electromagnet 5 loses magnetism, spring
8 restore deformation, to drive compression bar 7 to move upwards so that button resets, and effectively prevents the use of magnet, has saved production
Cost, to the larger problem that consumes energy brought that also avoids continuing to be powered, the front and back of compression bar 7 is arranged alternately and can be effectively ensured
The pressing of black key and white key on fingerboard is driven the movement of upper slide unit 3 and lower slide unit 31 by cylinder 9, avoided every
The top of group piano key is respectively provided with one group of compression bar 7, has effectively saved cost.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of piano automatic Playing driving device, including holder (1), it is characterised in that：Above and below the inner cavity of the holder (1)
Both ends are laterally fixedly connected with litter (2), and upper slide unit (3), institute are arranged with respectively at the outer rim of litter (2) described in top
The front end for stating upper slide unit (3) offers integrally formed groove (4), and the bottom end of the upper slide unit (3), which is run through, compression bar (7),
The top of the compression bar (7) is fixedly connected with iron block (6), and the front bottom end of the iron block (6) is equipped with electromagnet (5), and electromagnetism
Iron (5) is fixedly connected by bolt and upper slide unit (3), and integrally formed limit is equipped at the outer rim of the compression bar (7)
Ring (71), and spacing ring (71) is located at the bottom end of upper slide unit (3), is fixedly connected between the upper slide unit (3) and spacing ring (71)
There is spring (8), and spring (8) is sheathed at the outer rim of compression bar (7), is arranged at the outer rim of litter described in bottom end (2)
There are lower slide unit (31) identical with upper slide unit (3) structure, holder (1) inner cavity left and right sides wall to be fixedly connected with cylinder
(9), the output end of cylinder (9) described in two groups of left and right is fixed with the left end of upper slide unit (3) and the right end of lower slide unit (31) connect respectively
It connects.
2. a kind of piano automatic Playing driving device according to claim 1, it is characterised in that：The bottom of the compression bar (7)
It holds and has been bolted to connection rubber press (10), the compression bar (7) of the upper slide unit (3) and lower slide unit (31) bottom end is equipped with
It ten groups, is arranged alternately in front and back between compression bar described in two adjacent groups (7).
3. a kind of piano automatic Playing driving device according to claim 1, it is characterised in that：The upper slide unit (3) and
Compression bar (7) bottom end that lower slide unit (31) is slidably connected is all in the same horizontal plane, the left end bottom end of the upper slide unit (3) open with
The through-hole (32) of litter (2) adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820338267.5U CN207852294U (en) | 2018-03-12 | 2018-03-12 | A kind of piano automatic Playing driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820338267.5U CN207852294U (en) | 2018-03-12 | 2018-03-12 | A kind of piano automatic Playing driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852294U true CN207852294U (en) | 2018-09-11 |
Family
ID=63410203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820338267.5U Expired - Fee Related CN207852294U (en) | 2018-03-12 | 2018-03-12 | A kind of piano automatic Playing driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207852294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360544A (en) * | 2018-10-22 | 2019-02-19 | 南阳理工学院 | A kind of music intelligent prompt Musical instrument for playing |
-
2018
- 2018-03-12 CN CN201820338267.5U patent/CN207852294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360544A (en) * | 2018-10-22 | 2019-02-19 | 南阳理工学院 | A kind of music intelligent prompt Musical instrument for playing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20190312 |