CN102610213B - Piano - Google Patents
Piano Download PDFInfo
- Publication number
- CN102610213B CN102610213B CN201110134726.0A CN201110134726A CN102610213B CN 102610213 B CN102610213 B CN 102610213B CN 201110134726 A CN201110134726 A CN 201110134726A CN 102610213 B CN102610213 B CN 102610213B
- Authority
- CN
- China
- Prior art keywords
- cover plate
- piano
- recess
- damping shaft
- insertion recess
- 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
Links
- 238000013016 damping Methods 0.000 claims abstract description 41
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C3/00—Details or accessories
- G10C3/02—Cases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C9/00—Methods, tools or materials specially adapted for the manufacture or maintenance of musical instruments covered by this subclass
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C1/00—General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Vibration Prevention Devices (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention relates to a piano, which comprises a piano body with a plurality of keys; a damper with a damping shaft capable of rotating to the piano body; a cover plate fixed to the damping shaft and provided with a main cover plate for covering the plurality of keys and a guiding cover plate hinged to the main cover plate; and a coupling bracket provided with one end portion installed on the main cover plate and another part inserted into a recess. The damping shaft is fixedly inserted into the recess and is extending along the same direction with that inserted into the recess.
Description
Technical field
The present invention relates to piano, and relate more specifically to install for hiding the structure of the cover plate of key in piano main body.
Background technology
Piano is a kind of keyboard instrument, and it comprises the cover plate for the protection of the key of wherein installing.As shown in Figure 1, cover plate 300 is mounted to and can rotates by the articulated elements being positioned in the piano main body 100 with keyboard.
In detail, cover plate 300 comprises main cover plate 310 and guiding cover plate 320; Main cover plate 310 is positioned at the upside of keyboard; Guiding cover plate 320 and the hinged combination of main cover plate 310, and hide other remainders except keyboard.
Two ends of main cover plate 310 are all attached to the damper 200 being arranged in piano main body 100, in case produce noise or security incident in the process of open and close cover plate.For this reason, bracket 10 is arranged on the end of main cover plate 310 and is attached to the damping shaft 210 of damper 200.On bracket 10, be formed with the recess 11 that is attached to damping shaft 210.By damping shaft 210 is inserted in recess 11, make main cover plate 310 be assembled into piano main body 100.Then, along with the guiding connection recess 321 being formed on guiding cover plate 320 is inserted to the piano guide block 110 being formed in piano main body 100, complete the assembling of cover plate 300.
Here, recess 11 extends along the direction longitudinally perpendicular to main cover plate.In order to make damping shaft 210 be attached to the inside of recess 11, cover plate 300 must be along moving with dot-and-dash line indicated direction in Fig. 1.The wide 150cm of piano cover plate, and quite heavy.Therefore, conventionally may need two people (or two operators) to lift together and movable cover plate.Therefore,, when assembling piano cover plate, operator must be along previous path movement cover plate, the weight of bearing piano cover plate simultaneously.In this case, because it is fastening to be that rear side from damping shaft 210 carries out, so when operator checks the tightening state of damping shaft 210 and recess 11 at work, they are difficult to the naked eye check fastening operation.And in this process, guiding cover plate 320 must can not collide piano main body 100, this makes assembly operation difficulty.
Summary of the invention
Therefore,, in order to overcome the above problems, conceived various feature described here.
The solution of the present invention provides a kind of piano, compares with the piano of correlation technique, and cover plate can easily be assembled into piano main body.
According to the solution of the present invention, a kind of piano is provided, it comprises: the piano main body that comprises a plurality of keys; Damper, has damping shaft, and damping shaft is mounted to and can rotates with respect to piano main body; Cover plate, is fixed to damping shaft, and comprises the main cover plate that hides a plurality of keys and the guiding cover plate that is hinged to main cover plate; And connection bracket, thering is the end being arranged on main cover plate and there is the another part that inserts recess, damping shaft inserts to be fixed on and inserts in recess; Wherein inserting recess extends to form along the direction identical with the length of main cover plate.
In piano main body, also can be formed with a plurality of piano guide blocks; And on guiding cover plate, can be formed with connection recess, to allow piano guide block to insert, connect in recess.
Connecting bracket can comprise: fixed body, is fixed to the surface of main cover plate; And connection body, be integrally formed with fixed body, and there is insertion recess; Wherein insert extending longitudinally that recess can be along fixed body.
Fixed body can form has the thickness reducing towards its end.
The end of inserting the inner side of recess also can be formed with the auxiliary recess that inserts, and the auxiliary recess that inserts extends along the direction of inserting recess perpendicular to this.Elastic component can insert this auxiliary insertion in recess.
On fixed body, can be formed with fastening projection, and fastening projection is inserted in main cover plate to penetrate mode.
According to illustrative examples of the present invention, because insert recess, form extending longitudinally along main cover plate, so the mobile route of main cover plate in installation process is simple, thereby contribute to fitting operation.Equally, because can easily with the naked eye check the part of inserting recess and damping shaft connection in assembling process, so cover plate can be assembled into rapidly piano main body.
From below in conjunction with accompanying drawing detailed description of the present invention, foregoing and other object of the present invention, feature, scheme and advantage will become obvious.
Accompanying drawing explanation
Fig. 1 is the cut-open view illustrating according to the process of correlation technique assembling piano cover plate and piano main body;
Fig. 2 is according to the partial perspective view of the piano of illustrative examples of the present invention;
Fig. 3 is the stereographic map illustrating according to the process of the assembling piano cover plate shown in Fig. 2 of illustrative examples of the present invention and piano main body;
Fig. 4 is the sectional view that the assembling process shown in Fig. 3 is shown;
Fig. 5 is according to the stereographic map of the connection bracket shown in Fig. 2 of illustrative examples of the present invention;
Fig. 6 is the sectional view illustrating according to another example of the assembling process shown in Fig. 3 of illustrative examples of the present invention;
Fig. 7 is the sectional view illustrating according to the assembled state of the piano end cap shown in Fig. 2 of illustrative examples of the present invention and piano main body; And
Fig. 8 is the sectional view that the modification of the connection bracket shown in Fig. 5 is shown.
Embodiment
Describe with reference to the accompanying drawings the piano according to illustrative examples of the present invention in detail.
Referring to figs. 2 and 3, according to the piano of illustrative examples of the present invention, comprising piano main body 100, piano main body 100 forms the outward appearance of piano and has keyboard (a plurality of keys, do not show in other words).In the inner side of piano main body 100, along the vertical direction of piano main body, a pair of piano guide block 110 is installed.In Fig. 3, only show a piano guide block 110, but identical piano guide block can be arranged on opposite side in the mode of facing, and each piano guide block 110 forms its upper end and is circular arc.
Cover plate 300 is installed in piano main body 100, to hide keyboard; And the inner surface in piano main body 100 is provided with damper, rotatably to support cover plate 300.
Damper 200 comprises damping shaft 210, and damping shaft 210 can rotate within the specific limits, and is packaged with oil in damper 200, so when rotary torque is applied to damping shaft, the damping force of opposing rotary torque is just applied to damping shaft.To describe cover plate 300 in detail now.
Cover plate 300 comprises main cover plate 310 and guiding cover plate 320; Main cover plate 310 is attached to damping shaft 210, and guiding cover plate 320 is hinged to main cover plate 310.Here, main cover plate 310 is arranged to hide fingerboard, and guiding cover plate 320 is arranged to hide other parts except fingerboard.
Here, be formed with guiding connect recess 321 in two ends of guiding cover plate 320, piano guide block 110 inserts to be linked in to guide and connects in recess 321.Being attached with of articulated section at main cover plate 310 connects bracket 400.
With reference to Fig. 5, connect bracket 400 and comprise fixed body 410 and connect body 420; Fixed body 410 is attached to main cover plate 310, connects one end that body 420 is integrally formed in fixed body 410.Lower surface at fastening body 410 is formed with fastening projection 430, and fastening projection 430 inserts main cover plate 310 to penetrate mode.Connecting bracket 400 can be made by metal material.For example, connecting bracket 400 can be made by the stainless steel with excellent corrosion resistance.
Fixed body can form it and form with the part that main cover plate 310 contacts the surface that is parallel to main cover plate 310; And the relative side of fixed body forms slope, make the thickness of fixed body 410 become towards the end of fixed body 410 less (or reducing).Certainly, the thickness of fixed part 410 can be constant.
Connect body 420 and comprise insertion recess 421, insert recess 421 and form longitudinally or along the direction longitudinally that is parallel to main cover plate 310 extending along fixed part 410.Insert an open-ended of recess 421, to allow the damping shaft 210 of damper 200 to be inserted into, insert in recess 421.
In the end of inserting the inside of recess 421, be formed with the auxiliary recess 423 that inserts.The auxiliary recess 423 that inserts is along extending perpendicular to the direction longitudinally of inserting recess 421, and elastic component 424 inserts auxiliary insertion in recess 423.Elastic component 424 can be made by the material of for example urethanes (urethane) and so on.Therefore, can prevent from, when damping shaft 210 is inserted into insertion recess 421, may causing the noise producing because of rubbing contact; And can prevent in assembling process, may and insert the damage that between recess, collision causes because of damping shaft 210.
Insertion recess 421 shown in Fig. 5 is general rectangular shape, and the shape of still inserting recess 421 can change according to the shape of damping shaft 210.
Fixed body and connection body can form respectively, and by connecting such as screw or the such fastening unit of like.
Meanwhile, the fastening projection 430 forming on the lower surface of fixed body 410 inserts in mounting hole 311, and mounting hole 311 forms the forward and backward surface at two edges that penetrate main cover plate 310.Here, fixed body 410 is arranged on the upper surface of main cover plate 310, and can be furnished with fastening unit on the lower surface of main cover plate 310.This fastening unit can comprise fixed head 440 and fastening bolt 441; Fixed head 440 is arranged on the lower surface of main cover plate 310, and fastening bolt 441 is fastened in fastening projection 430.Along with fastening bolt 441 is fastened in the fastener hole 431 being formed on fastening projection 430, fixed body 410 can be fixed to two edges of main cover plate 310.
In addition, fastening projection 430 can all have identical length and maybe can have different length.
By describing according to the cover plate 300 of illustrative examples of the present invention, be installed to the process of piano main body 100 and the operation of connection bracket 400 now.
Fig. 4 illustrates the example that the main cover plate 310 that folds 90 ° with respect to guiding cover plate 320 is attached to piano main body 100.With reference to Fig. 4, in the situation that not applying external force, damping shaft 210 is arranged along the vertical direction of piano main body 100.That is to say, damping shaft 210 is arranged parallel to each other with piano guide block 110, and inserts recess 421 and guide connection recess 321 to be arranged parallel to each other.Damping shaft 210 can keep equating with the interval that guiding connects between recess 321 with interval and insertion recess 421 between piano guide block 110.
Therefore,, at the state shown in Fig. 4, operator can be by straight reduction cover plate 300 simply and cover plate 300 is assembled into piano main body.Equally, because the upper end of damping shaft is in the visible position of operator, so when reducing cover plate 300, operator can easily check whether damping shaft 210 is inserted into the inside of inserting recess.When damping shaft 210 is inserted in insertion recess 421, main cover plate 310 is rotated counterclockwise based on Fig. 4, completes as shown in Figure 7 thus assembly operation.
Meanwhile, the position shown in the initial position of damping shaft 210 is not limited to, and as shown in Figure 6, the vertical direction that damping shaft 210 can be arranged to take piano main body is that benchmark tilts.
That is to say, as shown in Figure 6, in the situation that not applying external force, when damping shaft 210 is arranged to, the insertion recess 421 that connects bracket 400 reduces be partly inserted to damping shaft 210 obliquely from the upside of cover plate 300; Then, guiding cover plate 320 rotates to connect with piano main body 100 in a downward direction.In this case, different from the situation shown in Fig. 4, do not need cover plate 300 to promote too high.
Meanwhile, in aforementioned illustrative examples, insertion recess 421 can slide simply and be inserted on damping shaft 210, and in this case, attachment device can be set to increase bond strength.Fig. 8 illustrates the modification of the connection bracket that comprises such attachment device.With reference to Fig. 8, the connection body 420 that connects bracket 400 can further comprise recess adjustment member 500.
Here, recess adjustment member 500 comprises the screw jut 520 of adjusting body 510 and extending from adjusting body 510.Adjust body 510 and be located in the installation recess 421a forming on the inside surface that inserts recess 421, screw jut 520 can be screwed in the threaded hole 422 forming on connecting body 420, and stretches out from connecting the sidepiece of body 420.
Therefore the adjustment body 510 that, the end of screw jut 520 forms can move up and down (based on Fig. 8) in the inner side of inserting recess 421 according to the sense of rotation of screw jut 520.Therefore, can be inserted into the damping shaft 210 in the inside of inserting recess 421 by adjusting body 510 extruding, and therefore damping shaft 210 can be fastened firmly to the inside of inserting recess 421.
Because the present invention can not deviate from its characteristic with several forms enforcement, it should be understood that, unless otherwise indicated, the above embodiments are not subject to the restriction of any details of aforementioned description, therefore and answer extensive interpretation, be in the limited range of claims, drop on institute in the border of claim and boundary or in the equivalent form of value of such border and boundary and change and change so be intended to and be included in claims.
Claims (5)
1. a piano, comprising:
Piano main body, comprises a plurality of keys;
Damper, has damping shaft, and described damping shaft is mounted to can be with respect to described piano main body rotation;
Cover plate, is fixed to described damping shaft, and comprises the main cover plate that hides described a plurality of keys and the guiding cover plate that is hinged to described main cover plate; And
Connect bracket, a part that connects bracket is arranged on described main cover plate, and the another part that connects bracket has insertion recess, and described damping shaft inserts and is fixed in described insertion recess;
Wherein said insertion recess extends to form along the direction identical with the length of described main cover plate;
Wherein said connection bracket comprises:
Fixed body, is fixed to the surface of described main cover plate;
Connect body, be integrally formed with described fixed body, and there is described insertion recess;
Wherein said insertion recess is extending longitudinally along described fixed body;
Wherein on described fixed body, be formed with fastening projection, and described fastening projection is inserted in described main cover plate to penetrate mode; And
Recess is adjusted member, comprising: adjust body, be located in the installation recess forming on the inside surface of described insertion recess; And the screw jut extending from described adjustment body, described screw jut is screwed in the threaded hole forming on described connection body and from the sidepiece of described connection body and stretches out.
2. piano as claimed in claim 1 is wherein also formed with a plurality of piano guide blocks in described piano main body; And on described guiding cover plate, be formed with connection recess, to allow described piano guide block to insert in described connection recess.
3. piano as claimed in claim 1, the thickness of wherein said fixed body forms towards its end and reduces.
4. piano as claimed in claim 1, the end of the inner side of wherein said insertion recess is also formed with auxiliaryly inserts recess, and described auxiliary insertion recess extends along the direction perpendicular to described insertion recess.
5. piano as claimed in claim 4, elastic component inserts in described auxiliary insertion recess.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0006034 | 2011-01-20 | ||
| KR1020110006034A KR101295605B1 (en) | 2011-01-20 | 2011-01-20 | piano |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102610213A CN102610213A (en) | 2012-07-25 |
| CN102610213B true CN102610213B (en) | 2014-11-05 |
Family
ID=46527538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110134726.0A Expired - Fee Related CN102610213B (en) | 2011-01-20 | 2011-05-16 | Piano |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101295605B1 (en) |
| CN (1) | CN102610213B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648726A (en) * | 2018-05-30 | 2018-10-12 | 张建阳 | A kind of key has the fingerboard of position-limit mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5056396A (en) * | 1989-06-13 | 1991-10-15 | Kawai Gakki Seisakusho Co., Ltd. | Opening/closing apparatus of keyboard cover |
| CN1170922A (en) * | 1996-05-30 | 1998-01-21 | 雅马哈株式会社 | Rotary damper for generating damping force variable in dependence on angular position of fall board of keyboard musical instrument |
| CN1181572A (en) * | 1996-05-28 | 1998-05-13 | 雅马哈株式会社 | Damper for generating damping force variable in dependence on angular position of fall board of keyboard musical instrument |
| CN1222721A (en) * | 1997-08-06 | 1999-07-14 | 雅马哈株式会社 | Keyboard musical instrument having fall-board assembled with case by means of oldham's coupling |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0610395Y2 (en) * | 1987-05-06 | 1994-03-16 | ヤマハ株式会社 | Keyboard lid open / close device for keyboard instruments |
| JP3849313B2 (en) * | 1997-08-06 | 2006-11-22 | ヤマハ株式会社 | Keyboard lid opening and closing device for keyboard instruments |
| JP4839843B2 (en) * | 2006-01-12 | 2011-12-21 | ヤマハ株式会社 | Keyboard lid structure for keyboard instruments |
-
2011
- 2011-01-20 KR KR1020110006034A patent/KR101295605B1/en not_active IP Right Cessation
- 2011-05-16 CN CN201110134726.0A patent/CN102610213B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5056396A (en) * | 1989-06-13 | 1991-10-15 | Kawai Gakki Seisakusho Co., Ltd. | Opening/closing apparatus of keyboard cover |
| CN1181572A (en) * | 1996-05-28 | 1998-05-13 | 雅马哈株式会社 | Damper for generating damping force variable in dependence on angular position of fall board of keyboard musical instrument |
| CN1170922A (en) * | 1996-05-30 | 1998-01-21 | 雅马哈株式会社 | Rotary damper for generating damping force variable in dependence on angular position of fall board of keyboard musical instrument |
| CN1222721A (en) * | 1997-08-06 | 1999-07-14 | 雅马哈株式会社 | Keyboard musical instrument having fall-board assembled with case by means of oldham's coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102610213A (en) | 2012-07-25 |
| KR101295605B1 (en) | 2013-08-13 |
| KR20120084595A (en) | 2012-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20160516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |