CN207249944U - A kind of piano hand-type rectifier - Google Patents
A kind of piano hand-type rectifier Download PDFInfo
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- CN207249944U CN207249944U CN201720798139.4U CN201720798139U CN207249944U CN 207249944 U CN207249944 U CN 207249944U CN 201720798139 U CN201720798139 U CN 201720798139U CN 207249944 U CN207249944 U CN 207249944U
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- spiral arm
- piano
- type rectifier
- center
- gag lever
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Abstract
The utility model discloses a kind of piano hand-type rectifier, including rotating arm component, connector and gag lever post, the gag lever post is connected by connector with rotating arm component, the rotating arm component includes the spiral arm lid set gradually, spiral arm center, spiral arm bottom frame and sucker base, bolt is provided with the sucker base, the screw bolt passes spiral arm bottom frame, spiral arm center and spiral arm lid are spirally connected fixation, one end of the spiral arm center is provided with limiting tooth, limiting stand is provided with the spiral arm bottom frame, the limiting tooth is adapted to limiting stand, spiral arm center is set to rotate predetermined angle around spiral arm bottom frame, user cumbersome need not be dismantled, easy to store, lift user experience；The features such as gag lever post is adjustable limit bar, and user can be adapted to market overwhelming majority piano according to the length of the piano length adjustment gag lever post of oneself, and the utility model is simple in structure, highly reliable, and suitability is strong, and beauty facilitates.
Description
Technical field
Musical instrument technical field is the utility model is related to, more particularly to a kind of piano hand-type rectifier.
Background technology
Piano has the laudatory title of " king of musical instrument " as a kind of classics keyboard instrument in western classical music.As China passes through
The booming people's lives quality of Ji increasingly improves, and more and more people start to contact and learn this musical instrument.For rigid connection
Touch for the beginner of piano often because playing the nonstandard problem of hand-type influences learning efficiency and play the raising of skill and technique.
The appearance of piano hand-type rectifier assists in piano beginner auxiliary in study and corrects nonstandard hand-type, in study steel
Qin is laid a good foundation initial stage.
Existing piano hand-type rectifier is broadly divided into two classes, and one kind is to be fixed on using F folders below key on fingerboard, top
Position-limiting action is played with steel bar connection.Another kind of is that a steel pipe is set up with floor-type support frame to play position-limiting action.However,
The defects of two class piano hand-type rectifiers, is all than more prominent：
As shown in Figure 1, F folder fixed forms have the following disadvantages：
1. due to it is fixed when contact area it is small, cause cannot effective fixation, there are problems that coming off in use；
2. since F presss from both sides small-sized, cause spacing steel bar diameter smaller, when use influences rectification effect；
3. since F is clamping below fingerboard, cause spacing steel bar limited length, it is impossible to cover all piano scales；
It is 4. low to market model piano matching degree on sale due to the limitation of fixed form；
5. due to the limitation of fixed position, piano lid is unable to normally closed after F folders are installed additional, causes each use to need weight
Multiple dismounting is not convenient enough.
Floor-type support frame mode has the following disadvantages：
1. supporting rack is cumbersome for installation, and heavy；
2. supporting rack manufacture is cumbersome, cost is higher；
3. supporting rack is located at below fingerboard, player needs first to bypass supporting rack, poor user experience before being sitting in piano；
4. supporting rack fixed form is external console mode, lack aesthetic feeling.
Thus the prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of correction of piano hand-type
Device, its is simple in structure, is easily installed, is easy to use.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of piano hand-type rectifier, it includes rotating arm component, connector and gag lever post, and the gag lever post passes through connection
Head is connected with rotating arm component, and the rotating arm component includes spiral arm lid, spiral arm center, spiral arm bottom frame and the sucker set gradually
Base, bolt is provided with the sucker base, and screw bolt passes spiral arm bottom frame, spiral arm center and the spiral arm lid are spirally connected solid
It is fixed；One end of the spiral arm center is provided with limiting tooth, is provided with limiting stand on the spiral arm bottom frame, the limiting tooth with it is spacing
Platform is adapted to, and spiral arm center is rotated predetermined angle around spiral arm bottom frame；The gag lever post includes two adjusting rods and a connecting rod,
The adjusting rod includes built-in rod and outer loop bar, and one end of the built-in rod is provided with external screw thread, and one end of the outer loop bar is set
Internal thread is equipped with, the built-in rod is spirally connected with outer loop bar.
In the piano hand-type rectifier, the length of the internal thread of the outer loop bar is a quarter of overcoat pole length
More than.
In the piano hand-type rectifier, the length of the internal thread of the outer loop bar for overcoat pole length four/
Three.
In the piano hand-type rectifier, the limiting tooth, limiting stand are 2, and are symmetrical arranged.
In the piano hand-type rectifier, the angle of the notch between two limiting stands is 90 degree.
In the piano hand-type rectifier, the sucker base include inhale film chassis and inhale film, it is described suction film chassis with
Film bonding is inhaled, is symmetrical arranged on the suction film chassis and is useful for preventing the rotating boss of rotating arm component.
It is fan-shaped pylone in the limiting stand, and be adapted to the boss in the piano hand-type rectifier.
In the piano hand-type rectifier, the other end of the spiral arm center is provided with the installation being connected with connector
Hole.
In the piano hand-type rectifier, center pillar is provided with the spiral arm bottom frame, has on the center pillar and is used to supply
Bolt passes through circular through hole, and the limiting stand is symmetrically disposed on center pillar.
Compared to the prior art, piano hand-type rectifier provided by the utility model, including rotating arm component, connector and
Gag lever post, the gag lever post are connected by connector with rotating arm component, and the rotating arm component includes the spiral arm set gradually
Lid, spiral arm center, spiral arm bottom frame and sucker base, are provided with bolt, the screw bolt passes spiral arm on the sucker base
Bottom frame, spiral arm center and spiral arm lid are spirally connected fixation, and one end of the spiral arm center is provided with limiting tooth, is set on the spiral arm bottom frame
Limiting stand is equipped with, the limiting tooth is adapted to limiting stand, spiral arm center is rotated predetermined angle around spiral arm bottom frame, is made user not
It cumbersome must dismantle, easy to store, lift user experience；The gag lever post is adjustable limit bar, and user can be according to the steel of oneself
The length of qin length adjustment gag lever post, is adapted to market overwhelming majority piano, and the utility model is simple in structure, highly reliable, adaptation
Property strong, beauty the features such as facilitating.
Brief description of the drawings
Fig. 1 is that existing F presss from both sides the schematic diagram that piano hand-type rectifier is fixed on piano.
Fig. 2 is the structure diagram of piano hand-type rectifier provided by the utility model.
Fig. 3 is the decomposition diagram of the rotating arm component of piano hand-type rectifier provided by the utility model.
Fig. 4 is the decomposition diagram of the adjusting rod of piano hand-type rectifier provided by the utility model.
Fig. 5 is the schematic diagram being fixed on piano of piano hand-type rectifier provided by the utility model.
Embodiment
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of correction of piano hand-type
Device, it is simple in structure, be easily installed, be easy to use, the effect after installation incorporates piano appearance, mutually benefit color.
To make the purpose of this utility model, technical solution and effect clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
Refer to Fig. 2, Fig. 3 and Fig. 4, a kind of piano hand-type rectifier provided by the utility model, including two rotating arms
1, two connector 2 of component and gag lever post 3, the gag lever post 3 is connected by connector 2 with rotating arm component 1, specially spacing
The both ends of bar 3 are respectively connected by a connector 2 with rotating arm component 1.
The rotating arm component 1 includes spiral arm lid 11, spiral arm center 12, spiral arm bottom frame 13 and the sucker base set gradually
14, bolt 15 is provided with the sucker base 14, and the bolt 15 sequentially passes through spiral arm bottom frame 13, spiral arm center 12 and spiral arm
Lid 11 is spirally connected fixation, and one end of the spiral arm center 12 is provided with limiting tooth 16, limiting stand is provided with the spiral arm bottom frame 13
17, the limiting tooth 16 is adapted to limiting stand 17, spiral arm center 12 is rotated predetermined angle around spiral arm bottom frame 13, by default
Angle makes gag lever post 3 be rotated in angle, to reach the height of adjustment gag lever post 3（Play height during correction hand-type）It is and spacing
The effect that bar 3 is stored.
The gag lever post 3 includes two 31 and one connecting rods 32 of adjusting rod, and the adjusting rod 31 is including built-in rod 33 and outside
Loop bar 34, one end of the built-in rod 33 are provided with external screw thread, and one end of the outer loop bar 34 is provided with internal thread, described built-in
Bar 33 is spirally connected with outer loop bar 34.
Match scale length to realize, the length of the internal thread of the outer loop bar for overcoat pole length a quarter with
On, it is preferably：The length of the internal thread of the outer loop bar 34 is 3/4ths of outer 34 length of loop bar, can be by described built-in
Bar 33 is screwed into the length of outer loop bar 34 to adjust the overall length of the gag lever post 3.
Specifically, the other end of the outer loop bar 34 is connected by connector 2 with the other end of spiral arm center 12, it is described interior
The other end for putting bar 33 is connected with connecting rod 32, and the other end of the built-in rod 33 has the connection being adapted to 32 internal diameter of connecting rod
End 35, more specifically, the built-in rod 33 is consistent with the outside diameter of connecting rod 32, to ensure the straightness of gag lever post 3.Further
, the length adjusting range of the gag lever post 3 guarantees to be adapted to market most pianos on sale in 145cm-165cm.
As shown in figure 3, in the present embodiment, the spiral arm bottom frame 13 is provided with center pillar, to improve the intensity of limiting stand 17, really
Protect the service life of rotating arm component.Have on the center pillar and be used to pass through circular through hole for bolt 15, the limiting stand 17 is right
Title is arranged on the side wall of center pillar.The section of the limiting stand 17 is in sector, in order to which spiral arm center 12 is around 13 turns of spiral arm bottom frame
Dynamic predetermined angle, and it is reliable fixed after transhipment.
The limiting tooth 16, limiting stand 17 are 2, and are symmetrical arranged, and the limiting tooth 16 is placed in limiting stand when installing
Between 17, during rotation, the limiting stand 17 plays the role of limiting 12 rotation angle of spiral arm center.
Specifically, the angle of the notch between the limiting stand 17 is 90 degree, when installation, revolves the spiral arm center 12
Bottom is gone to, is installed again after having confirmed the height of gag lever post 3, the purpose corrected with real hand-type, after user practices,
The lower piano lid of lid, gag lever post 3 can be pushed the top of piano lid by pushing up gag lever post 3, convenient beautiful.
Please continue to refer to Fig. 3, the sucker base 14 includes inhaling 19 chassis 18 of film and inhales film 19,19 chassis 18 of the suction film
Be bonded with inhaling film 19, the suction film 19 inhales film for PVC electrostatic, and user only need to be by 19 face paste of suction film of rotating arm component 1 during installation
Piano side is closed, hinged cantilever lid tenses after the rotation of cantilever lid and inhales 19 bolt 15 of film, inhales film 19 at this time and deform upon, by cantilever
Bottom frame is pushed down and forms negative pressure region between film 19 and piano face inhaling, and rotating arm component 1 is just reliably fixed on piano
On, it is symmetrical arranged on 19 chassis 18 of the suction film and is useful for preventing the rotating boss 181 of rotating arm component 1, makes the rotating arm
Component 1 can only rotate in predetermined angle.
Specifically, be fan-shaped pylone among the limiting stand 17, and it is adapted to the boss 181, boss 181 is slotting during installation
Enter in fan-shaped pylone, will not be rotated between spiral arm bottom frame 13 and spiral arm center 12 after mounting.
Further, the other end of the spiral arm center 12 is provided with the mounting hole 121 being connected with connector 2, connector 2
One end be placed in the mounting hole 121, the other end of connector 2 is placed in the outer tube, to connect the spiral arm center
12 and gag lever post 3.
User when mounted, first confirms that the spacing height of gag lever post 3, and rotating arm component 1 then is installed on piano two
On the protection board of side, rotating arm component 1 adjusts 3 installation length of gag lever post after installation is complete by adjusting rod 31, finally will be even
Connector 2 is inserted into 3 close-fitting of gag lever post and is installed between the rotating arm of both sides, realizes that whole tone scale covers purpose, completes installation.
Referring to Fig. 5, user is when in use, highly realize that hand-type corrects purpose according to user installation, when user has practiced
Bi Hou, covers lower piano lid.Push up gag lever post 3 rectifier 100 can be stored with piano lid above, next time use when again
Push, it is convenient beautiful.
In conclusion piano hand-type rectifier provided by the utility model, including rotating arm component, connector and spacing
Bar, the gag lever post are connected by connector with rotating arm component, and the rotating arm component includes spiral arm lid, the rotation set gradually
Arm center, spiral arm bottom frame and sucker base, are provided with bolt on the sucker base, the screw bolt passes spiral arm bottom frame,
Spiral arm center and spiral arm lid are spirally connected fixation, and one end of the spiral arm center is provided with limiting tooth, is provided with the spiral arm bottom frame
Limiting stand, the limiting tooth are adapted to limiting stand, spiral arm center is rotated predetermined angle around spiral arm bottom frame, are made user numerous
Trivial dismounting, easy to store, lifts user experience；The gag lever post is adjustable limit bar, and user can grow according to the piano of oneself
Degree adjusts the length of gag lever post, is adapted to market overwhelming majority piano, the utility model is simple in structure, highly reliable, suitability
By force, beautiful the features such as facilitating, the fixed form also adsorbed by inhaling film, it is ensured that installation is completed under the premise of piano is not destroyed, and
Fixation installing and dismounting is very simple.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
Its inventive concept is subject to equivalent substitution or change, and all these changes or replacement should all belong to the right appended by the utility model
It is required that protection domain.
Claims (9)
- A kind of 1. piano hand-type rectifier, it is characterised in that including rotating arm component, connector and gag lever post, the gag lever post It is connected by connector with rotating arm component, the rotating arm component includes the spiral arm lid, spiral arm center, spiral arm bottom set gradually Frame and sucker base, are provided with bolt, screw bolt passes spiral arm bottom frame, spiral arm center and the spiral arm on the sucker base Cover the fixation that is spirally connected；One end of the spiral arm center is provided with limiting tooth, and limiting stand is provided with the spiral arm bottom frame, described spacing Tooth is adapted to limiting stand, spiral arm center is rotated predetermined angle around spiral arm bottom frame；The gag lever post include two adjusting rods and One connecting rod, the adjusting rod include built-in rod and outer loop bar, and one end of the built-in rod is provided with external screw thread, the outer loop bar One end be provided with internal thread, the built-in rod is spirally connected with outer loop bar.
- 2. piano hand-type rectifier according to claim 1, it is characterised in that the length of the internal thread of the outer loop bar is It is more than a quarter of overcoat pole length.
- 3. piano hand-type rectifier according to claim 2, it is characterised in that the length of the internal thread of the outer loop bar is 3/4ths of overcoat pole length.
- 4. piano hand-type rectifier according to claim 1, it is characterised in that the limiting tooth, limiting stand are 2, And it is symmetrical arranged.
- 5. piano hand-type rectifier according to claim 4, it is characterised in that the angle of the notch between two limiting stands is equal For 90 degree.
- 6. piano hand-type rectifier according to claim 1, it is characterised in that the sucker base include inhale film chassis and Film is inhaled, the suction film chassis is Nian Jie with inhaling film, is symmetrical arranged on the suction film chassis and is useful for preventing that rotating arm component is rotating Boss.
- 7. piano hand-type rectifier according to claim 6, it is characterised in that it is fan-shaped pylone in the limiting stand, and It is adapted to the boss.
- 8. piano hand-type rectifier according to claim 1, it is characterised in that the other end of the spiral arm center is provided with The mounting hole being connected with connector.
- 9. piano hand-type rectifier according to claim 1, it is characterised in that center pillar is provided with the spiral arm bottom frame, Have on the center pillar and be used to pass through circular through hole for bolt, the limiting stand is symmetrically disposed on center pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720798139.4U CN207249944U (en) | 2017-07-04 | 2017-07-04 | A kind of piano hand-type rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720798139.4U CN207249944U (en) | 2017-07-04 | 2017-07-04 | A kind of piano hand-type rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207249944U true CN207249944U (en) | 2018-04-17 |
Family
ID=61877593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720798139.4U Active CN207249944U (en) | 2017-07-04 | 2017-07-04 | A kind of piano hand-type rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207249944U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110751878A (en) * | 2019-10-31 | 2020-02-04 | 李月娇 | Automatic production line for piano hand-shaped straightener |
| CN113035015A (en) * | 2021-03-02 | 2021-06-25 | 中国石油大学胜利学院 | Piano training aid |
| CN113436499A (en) * | 2021-07-06 | 2021-09-24 | 深圳市玖零乐器有限公司 | Wrist type corrector for learning piano |
-
2017
- 2017-07-04 CN CN201720798139.4U patent/CN207249944U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110751878A (en) * | 2019-10-31 | 2020-02-04 | 李月娇 | Automatic production line for piano hand-shaped straightener |
| CN113035015A (en) * | 2021-03-02 | 2021-06-25 | 中国石油大学胜利学院 | Piano training aid |
| CN113436499A (en) * | 2021-07-06 | 2021-09-24 | 深圳市玖零乐器有限公司 | Wrist type corrector for learning piano |
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