CN105374341A - Keyboard instrument - Google Patents
Keyboard instrument Download PDFInfo
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- CN105374341A CN105374341A CN201510424876.3A CN201510424876A CN105374341A CN 105374341 A CN105374341 A CN 105374341A CN 201510424876 A CN201510424876 A CN 201510424876A CN 105374341 A CN105374341 A CN 105374341A
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- keyboard
- cover
- fastener
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- front apron
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Abstract
The invention provides a keyboard instrument (1), which has a frame (11), a keyboard cover (13), which can freely swing relative to the frame, a first stop part (31), which is arranged on the inner surface (28a) of the side plate part (28), which is opposite to the lateral side of the keyboard cover, of the frame, and a second stop part (32), which is arranged on the lateral side of the keyboard cover and thus is positioned on the inner surface of the side plate part; when the keyboard cover is moved from an open position (OP) to a closed position (CL), the keyboard is stopped on the first stop part and is prevented from going to the closed position; the keyboard instrument also comprises a user operating part, and the user can use the operating part to make the first stop part move between a stop position (B1) of the second stop part and a back-off position of the second stop part.
Description
Technical field
The present invention relates to keyboard instrument.
Background technology
Usually, the keyboard instrument such as the primary sound such as grand piano, upright piano piano and mellotron has the cover of keyboard in overlay keyboard portion.In the past, at primary sound piano or have in the mellotron of same outward appearance with primary sound piano, because cover of keyboard is made up of timber, its Heavy Weight.Therefore, when switching key disk cover, particularly when close key disk cover, need cautiously to treat cover of keyboard.
In patent documentation 1, disclose a kind of structure having locking component and remove parts, this locking component utilizes elastic force to be configured in latched position, and cover of keyboard is locked in open position, these releasing parts overcome elastic force and locking component are moved from latched position, remove the locking of cover of keyboard.
In the structure shown here, use the personnel (such as player) of keyboard instrument to remove parts by operation and locking component is moved from latched position, the cover of keyboard being configured at open position can be closed.That is, the personnel of operation keyboard musical instrument can be made to recognize the action of close key disk cover consumingly, and can more safely close key disk cover.
Patent documentation 1: Japanese Unexamined Patent Publication 7-287577 publication
But in the structure described in patent documentation 1, locking component, releasing parts must be arranged near the axis of swing of cover of keyboard, because the configuration of locking component, releasing parts is limited, therefore there is the problem being difficult to install in existing keyboard instrument.Such as, at primary sound piano, have in the mellotron of same outward appearance with primary sound piano, need to be formed in frame, cover of keyboard before the framework forming keyboard instrument for arranging locking component, removing the peristome of parts, and need the inner side in former frame, cover of keyboard locking component to be set, to remove parts.But, because the inner side in former frame, cover of keyboard is provided with the various structure such as Da Xian mechanism, Zhi Yin mechanism, be difficult to arrange locking component, remove parts.
In addition, when keyboard instrument is primary sound piano, if arrange peristome in frame, cover of keyboard before the framework forming keyboard instrument, then may impact the sound of primary sound piano (sound produced based on utilizing the vibration of Da Xian mechanism strike string) characteristic.Further, the sound (sound produced with the action of each parts of Da Xian mechanism) that also there is Da Xian mechanism etc. easily leaks into outside possibility.
Summary of the invention
The present invention makes in view of the foregoing, and its object is to provides a kind of keyboard instrument, and this keyboard instrument easily can set the structure for more safely operating key disk cover.
In order to solve above-mentioned problem, keyboard instrument of the present invention has: framework; Cover of keyboard, it is set to swing freely relative to this framework; First fastener, it is arranged on the inside surface of the side plate of the described framework relative with the side of described cover of keyboard; Second fastener, it is arranged on the side of described cover of keyboard thus is positioned on the inside surface of described side plate, is locked to described first fastener when described cover of keyboard moves from open position to off-position, stops described cover of keyboard to the movement of described off-position; User's operating portion, user, by operating on it, makes a fastener in described first fastener and described second fastener move being locked between the locking position of another fastener and the retreating position not being locked to another fastener.
In keyboard instrument of the present invention, under the state that cover of keyboard is configured at open position, by a fastener is configured in locking position, the action of close key disk cover can be stoped.Therefore, when making cover of keyboard move to off-position from open position, using the user of keyboard instrument to need to operate user's operating portion, first making a fastener move to retreating position from locking position, then carry out the action of close key disk cover.That is, in keyboard instrument of the present invention, user is allowed to recognize the action of close key disk cover consumingly, can more safely close key disk cover.
Further, according to the present invention, first, second fastener is separately positioned on the inside surface of side plate, the side of cover of keyboard, therefore first, second fastener position is set not by the restriction of structure of inner space being arranged on framework.Therefore, it is possible to easily install first, second fastener on keyboard instrument.
Further, according to the present invention, first, second fastener is arranged on the inside surface of side plate, the side of cover of keyboard, does not therefore need as in the past, form the peristome be communicated with the inner space of the framework of piano.
That is, when keyboard instrument is primary sound piano, the sound property of primary sound piano can be prevented to be affected.In addition, have and the sound of the Da Xian mechanism arranged in framework inside can be suppressed to be leaked to outside, play the effect of the sound easily not hearing primary sound piano.
And in described keyboard instrument, can have force section, this force section exerts a force to described locking position from described retreating position to a described fastener.
In this case, as long as user does not operate user's operating portion, make the first fastener 31 move etc. and apply external force to the first fastener 31, a fastener just can utilize the acting force of force section to remain on locking position, therefore, under the state that cover of keyboard is configured at release position, reliably can stop the action of close key disk cover.
In addition, in described keyboard instrument, can have cable, this cable links a described fastener and described user's operating portion, by the movement that the operation transformation of described user's operating portion is a described fastener, the inside of this cable arrangement at least one party in described framework and described cover of keyboard.
According to said structure, regardless of the setting position of a fastener, user's operating portion can both be configured in position freely.Therefore, it is possible to user's operating portion is configured in such as background, and the aesthetic appearance of the keyboard instrument suppressing the setting of user's operating portion and cause reduces.
In addition, described cover of keyboard can have cover of keyboard main body and cover of keyboard front apron, described cover of keyboard main body is rotatably installed on described framework, and under the state that described cover of keyboard is configured at off-position, cover the upper side being arranged at the keypad portion of described framework, described cover of keyboard front apron is installed on this cover of keyboard main body, and under the state that described cover of keyboard is configured at off-position, cover the front of described keypad portion, described cover of keyboard front apron is described user's operating portion, between the first location and the second location relative to described cover of keyboard body rotation freely, in described primary importance, the front of described keypad portion is covered under the state that described cover of keyboard front apron is configured at off-position at described cover of keyboard, in the described second place, fold with overlapping relative to described cover of keyboard main body under the state that described cover of keyboard front apron is configured at open position at described cover of keyboard, a described fastener is made to move to described retreating position from described locking position with described cover of keyboard front apron linkedly from the described second place to the movement of described primary importance.
And, in described keyboard instrument, described user's operating portion can be fastener operating pedal, under the state that described user's operating portion is not trampled by the pin of described user, make a described fastener remain on described locking position, by utilizing the pin of described user to trample, a described fastener is made to move to described retreating position from described locking position.
According to these structures, the outward appearance of keyboard instrument can not be damaged the person's of being set using operating portion.
Further, according to these structures, user can utilize both hands support keyboard lid to operate user's operating portion.Therefore, compared with the situation utilizing singlehanded support keyboard lid with user, can more safely close key disk cover.
According to the present invention, can make user recognize consumingly close key disk cover action and can more safely close key disk cover, therefore, it is possible to more safely operating key disk cover.
Further, according to the present invention, the structure for more safely operating key disk cover easily can be arranged on keyboard instrument.
In addition, according to the present invention, even if arrange the structure being used for more safely operating key disk cover, also can prevent from impacting the sound property of primary sound piano, and, the acoustical leakage of Da Xian mechanism etc. can also be suppressed to outside.
Accompanying drawing explanation
Fig. 1 is the sectional view of the major part of the piano representing first embodiment of the invention.
Fig. 2 represents in the piano shown in Fig. 1, the major part enlarged drawing of the locking state of the first fastener and the second fastener from the release position state that is configured in by cover of keyboard that the inner surface side of side shield is seen.
Fig. 3 is that the III-III of Fig. 2 is to cut-open view.
Fig. 4 is the sectional view of the major part of the piano representing second embodiment of the invention.
Description of reference numerals
1,1A piano (keyboard instrument)
11 frameworks
12 keypad portion
13 cover of keyboards
26 cover of keyboard main bodys
27 cover of keyboard front aprons
28 side shields (side plate)
28a inside surface
31,51 first fasteners
32,52 second fasteners
33,53 user's operating portions
56 cables
A1 primary importance
The A2 second place
B1, C1 locking position
B2, C2 retreating position
CL covering position (off-position)
OP release position (open position)
Embodiment
[the first embodiment]
Below, with reference to Fig. 1 ~ 3, first embodiment of the present invention is described.
As shown in Figure 1, the piano (keyboard instrument) 1 of this embodiment is one and the upright piano of primary sound piano, and its structure is identical with existing piano.That is, piano 1 has: framework 11, keypad portion 12, cover of keyboard 13, hammer 14, string (target) 15, Da Xian mechanism 16, Zhi Yin mechanism 17 etc.
Keypad portion 12 is that the multiple keys 24 finger of player being carried out performance operation arrange, and each key 24 is rotatably arranged at the frame plate 21 of framework 11 via key framework 29.Further, an end (leading section) of each key 24 is exposed to outside in the front face side (in Fig. 1 right side) of framework 11.
Be exposed to the part of framework 11 outside in cover of keyboard 13 overlay keyboard portion 12, the cover of keyboard inside 22 being set to covering position (off-position) CL in overlay keyboard portion 12 and keypad portion 12 is exposed to relative to framework 11 between outside release position (open position) OP is rotatable.Framework 11 is included in cover of keyboard 13 when being in covering position CL, a side dams (side plate) 28 relative with the side of cover of keyboard 13.That is, a side dams (side plate) 28 is configured in the left and right of keypad portion 12.
The cover of keyboard 13 of present embodiment has the cover of keyboard front apron 27 of the front right-hand member side of key (in the Fig. 1) in the cover of keyboard main body 26 of the upper side in overlay keyboard portion 12 and overlay keyboard portion 12.
Cover of keyboard main body 26 is rotatably installed on framework 11 centered by turning axle 20.On the other hand, cover of keyboard front apron 27 is arranged on the bearing of trend leading section of the cover of keyboard main body 26 extended from turning axle 20.This cover of keyboard front apron 27, under the state that the primary importance A1 of the front in overlay keyboard portion 12 and cover of keyboard 13 are configured at release position OP under the state that cover of keyboard 13 is configured at covering position CL and between the second place A2 that folds overlappingly of cover of keyboard main body 26, rotate freely relative to cover of keyboard main body 26.
It is inner that hammer 14, string 15 and Da Xian mechanism 16 are all arranged on framework 11.Hammer 14 hits string 15.The press bonding force of player's finger to key 24 is converted to the mechanism of beating string power (hitting power) that hammer 14 pairs of strings 15 hit by Da Xian mechanism 16.
Zhi Yin mechanism 17 is by the foot-operated mechanism pedal force of sound pedal (not shown) processed being converted to the power of leaving bowstring making the damper 18 on string 15 leave from string 15 of pressing bonding force, player of key 24.
Described cover of keyboard 13 under the state being configured at release position OP, between the head (not shown) being positioned at Da Xian mechanism 16 and player.In the piano 1 of present embodiment, Da Xian mechanism 16, above the rearward end of key 24 being configured at framework 11 inside, is positioned at the position relative with the inside surface of the upper header board 23 of the front face side forming framework 11.On the other hand, the cover of keyboard 13 being configured at release position OP is positioned at the position of the outside surface covering upper header board 23.
In addition, as shown in Figures 1 to 3, the piano 1 of present embodiment has: the first fastener 31 and the second fastener 32, and it is for stoping cover of keyboard 13 from release position OP to the movement of covering position CL; User's operating portion 33, it is for operating the first fastener 31.
First fastener 31 is arranged on the inside surface 28a of side shield (side plate) 28, and this side shield (side plate) 28 is relative with the side of the cover of keyboard 13 being configured in covering position CL.First fastener 31 can move between locking position B1 and retreating position B2, give prominence to from the inside surface 28a of side shield 28 at locking position B1 first fastener 31 and be locked to aftermentioned second fastener 32, not engaging with the second fastener 32 from the inside of the inside surface 28a retraction side shield 28 of side shield 28 at retreating position B2 first fastener 31.
The force section 34 that above-mentioned first fastener 31 is exerted a force from retreating position B2 to locking position B1 is provided with in the inside of side shield 28.Thus, only otherwise apply external force to the first fastener 31, the first fastener 31 just can utilize the acting force of force section 34 to remain on locking position B1.In figure 3, force section 34 utilizes volute spring to form, but other elastomeric elements such as such as rubber also can be utilized to form.
Further, in the present embodiment, the first fastener 31 ratio key 24 be arranged on the inside surface 28a of side shield 28 is more positioned at the region of upper side.
Players etc. use the user of piano 1 by operating user's operating portion 33, and the first fastener 31 is moved between locking position B1 and retreating position B2.User's operating portion 33 is integrally fixed on the first fastener 31, gives prominence to from the outside surface of the opposition side towards inside surface 28a side shield 28.Being projected into outside part from side shield 28 and becoming the part grasped for user in user's operating portion 33.In figure 3, user's operating portion 33 is formed as simple bar-shaped, but is not limited thereto, and also can be formed as the shape that such as user easily grasps.
Second fastener 32, by being locked to above-mentioned first fastener 31 when cover of keyboard 13 moves to covering position CL from release position OP, stops cover of keyboard 13 to move to covering position CL.
Second fastener 32 is arranged on the side of cover of keyboard 13 thus is positioned on the inside surface 28a of side shield 28.Second fastener 32 of present embodiment is formed as band plate-like, and is configured to extend round about with cover of keyboard main body 26 relative to the turning axle 20 of cover of keyboard 13.Thus, the second fastener 32 moves (rotation) along the inside surface 28a of side shield 28 accordingly with the on-off action of cover of keyboard 13.
And the on-off action of leading section and cover of keyboard 13 that the second fastener 32 is set to its bearing of trend is accordingly by the region being provided with the first fastener 31 on the inside surface 28a of side shield 28.Thus, under the state that the first fastener 31 is configured in locking position B1, even if make the cover of keyboard 13 being configured at release position OP move from release position OP to covering position CL, leading section due to the bearing of trend of the second fastener 32 is locked to the first fastener 31, therefore, it is possible to stop cover of keyboard 13 to move to covering position CL.
In addition, in the present embodiment, under the state that above-mentioned second fastener 32 is locked to the first fastener 31, the setting position of above-mentioned first fastener 31 is set as, does not produce in the locking part of the second fastener 32 and the first fastener 31 stress caused by the deadweight of cover of keyboard 13.Below, be described particularly.
The cover of keyboard 13 of present embodiment has the flex point making in the midway in its opening and closing path to be changed by the direction of the torque caused of conducting oneself with dignity.In this flex point, the centre of gravity place due to cover of keyboard 13 is positioned on the pedal line by turning axle 20, does not therefore produce on cover of keyboard 13 by the torque caused of conducting oneself with dignity.On the other hand, if cover of keyboard 13 is more toppled over to side, front (CL side, covering position) than flex point, then produce by the torque caused of conducting oneself with dignity to closing direction on cover of keyboard 13.Further, if cover of keyboard 13 is more toppled over to inboard (OP side, release position) than flex point, then produce by the torque caused of conducting oneself with dignity to opening direction on cover of keyboard 13.
For the cover of keyboard 13 arranged as described above, the setting position of the first fastener 31 of present embodiment is set to be locked to the second fastener 32, this second fastener 32 be configured in from above-mentioned flex point to the position that the moving area of the cover of keyboard 13 of release position OP is corresponding.
In Fig. 1,2, the setting position of the first fastener 31 is set to be locked to the second fastener 32 under cover of keyboard 13 is configured at release position OP state, but is not limited thereto.The setting position of the first fastener 31 also can be set as under the state that such as cover of keyboard 13 is configured between release position OP and flex point, is locked to the second fastener 32.
Further, the second fastener 32 of present embodiment is formed as the hook-shaped of the sidepiece surrounding described first fastener 31, and to make under the state being locked to the first fastener 31, the contact area of the first fastener 31 and the second fastener 32 becomes large.
In the present embodiment, when looking squarely from the inside surface 28a side of side shield 28, the first fastener 31 is formed as rectangle.Relative to this, second fastener 32 is formed as being flexed into the hook-shaped of right angle, thus make it contact with the second side 31b with the first side 31a of the first fastener 31 being formed as looking squarely rectangle, first side 31a is towards the front side (right side in Fig. 1,2) of framework 11, and the second side 31b to adjoin with right angle relative to the first side 31a and towards the upper side of framework 11.First side 31a of above-mentioned first fastener 31 be companion keyboard lid 13 from release position OP to the movement of covering position CL, the face relative with the direction of the second fastener 32 movement.
And, in the present embodiment, be formed as with the 3rd side 31c of the first fastener 31 that the moving direction of the second fastener 32 of movement is relative from covering position CL to the movement of release position OP of companion keyboard lid 13, towards the projected direction of the first fastener 31, the dip plane that the moving direction from covering position CL to the movement of release position OP to the second fastener 32 of companion keyboard lid 13 tilts.
Thus, when making cover of keyboard 13 move from covering position CL to release position OP, even if the first fastener 31 is configured at locking position B1, by making the second fastener 32 press dip plane i.e. the 3rd side 31c of the first fastener 31, the first fastener 31 overcomes the acting force of force section 34 and moves to retreating position B2.That is, can prevent the first fastener 31 from hindering cover of keyboard 13 from covering position CL to the movement of release position OP.In addition, if the second fastener 32 passes through and arrives the first 31a side, side on the first fastener 31, then the first fastener 31 utilizes the acting force of force section 34 to be returned to locking position B1 from retreating position B2.
In the piano 1 of the present embodiment formed as described above, when making cover of keyboard 13 move from covering position CL to release position OP, even if the first fastener 31 is configured at locking position B1, the first fastener 31 also can not hinder the movement of cover of keyboard 13 and the second fastener 32.That is, in the piano 1 of present embodiment, can with before piano in the same manner as make cover of keyboard 13 move to release position OP.
On the other hand, under the state that cover of keyboard 13 is configured at release position OP, the action being configured at locking position B1 by enabling the first fastener 31 and stoping close key disk cover 13.Therefore, when making cover of keyboard 13 move to covering position CL from release position OP, user needs to operate user's operating portion 33, first makes the first fastener 31 move to retreating position B2 from locking position B1, then carries out the action of close key disk cover 13.
As mentioned above, piano 1 according to the present embodiment, when making cover of keyboard 13 move to covering position CL from release position OP, user needs to operate user's operating portion 33, the first fastener 31 is first made to move to retreating position B2 from locking position B1, close key disk cover 13 again, therefore can make user recognize the action of close key disk cover 13 consumingly, can more safely close key disk cover 13.That is, cover of keyboard 13 can more safely be used.
And, piano 1 according to the present embodiment, because the first fastener 31 is arranged at the inside surface 28a of side shield 28, second fastener 32 is arranged at the side of cover of keyboard 13, and therefore the setting position of first, second fastener 31,32 is not by the restriction of the structure (being Da Xian mechanism 16, Zhi Yin mechanism 17 etc. in the present embodiment) set by the inner space of framework 11.Therefore, it is possible to easily first, second fastener 31,32 is arranged on piano 1.That is, the structure of cover of keyboard 13 more safely can be used easily to be arranged on piano 1 by being used for.
In addition, piano 1 according to the present embodiment, arranges first, second fastener 31,32 with can forming the peristome be communicated with the inner space of framework 11 unlike the past.Therefore, it is possible to prevent the sound property as primary sound piano to be affected.
Further, due to the acoustical leakage of the Da Xian mechanism 16, Zhi Yin mechanism 17 etc. that are arranged at framework 11 inside can be prevented to outside, therefore, it is possible to play the effect of the sound easily not hearing primary sound piano.
And, piano according to the present embodiment, as long as user does not operate user's operating portion 33, make the first fastener 31 move etc. and apply external force to the first fastener 31, first fastener 31 just can utilize the acting force of force section 34 to remain on locking position B1, therefore, under the state that cover of keyboard 13 is configured at release position OP, reliably can stop the action of close key disk cover 13.
In addition, piano according to the present embodiment, the state being configured at the moving area of the cover of keyboard 13 from flex point to release position OP in its opening and closing path at cover of keyboard 13, because the second fastener 32 is locked to the first fastener 31, therefore the second fastener 32 can not press the first fastener 31 due to the deadweight of cover of keyboard 13.That is, the stress of the deadweight based on cover of keyboard 13 is not produced in the locking part of the first fastener 31 and the second fastener 32, therefore, it is possible to realize the protection to the first fastener 31 and the second fastener 32.Further, the first fastener 31 and the second fastener 32 are formed by the material that rigidity is low, can realize cost degradation.
In the above-described first embodiment, cover of keyboard main body 26 and cover of keyboard front apron 27 are formed respectively and mutually rotatably link, and also can such as be integrally formed.
[the second embodiment]
Then, with reference to Fig. 4, second embodiment of the invention is described.
In this embodiment, compared with the first embodiment, only have the structure of the first fastener, the second fastener, user's operating portion different, other structures are identical with the first embodiment.In the present embodiment, the structure identical with the first embodiment marks identical Reference numeral etc., and the description thereof will be omitted.
As shown in Figure 4, piano (keyboard instrument) 1A of this embodiment in the same manner as the first embodiment, the user's operating portion 53 there is the first fastener 51 for stoping cover of keyboard 13 from from release position OP to covering position CL movement and the second fastener 52, the first fastener 51 being operated.
First fastener 51 and the first embodiment are similarly arranged at the inside surface 28a of the side shield 28 of the framework relative with the side of cover of keyboard 13.It should be noted that, the first fastener 51 of present embodiment is from the outstanding projection of the inside surface 28a of side shield 28, is fixed on side shield 28.
Second fastener 52 is locked to the first fastener 51 when cover of keyboard 13 moves to covering position CL from release position OP in the same manner as the first embodiment, thus stops cover of keyboard 13 to the movement of covering position CL.Further, the second fastener 52 is formed as band plate-like, and is configured to extend to the opposite direction of cover of keyboard main body 26 relative to the turning axle 20 of cover of keyboard 13.In addition, whether the second fastener 52 of present embodiment can be locked to the locking position C1 of the first fastener 51 and or not between the retreating position C2 that engages of the first fastener 51 not move.
Second fastener 52 of present embodiment has the crook 55 of the main part 54 being formed as band plate-like and the bearing of trend front end being rotatably arranged on main part 54 in the same manner as the second fastener 32 of the first embodiment.And crook 55 relative to main part 54, can be rotated between above-mentioned locking position C1 and retreating position C2.Crook 55 warpage or be bent to roughly C shape.Under the state that crook 55 is configured at locking position C1, the leading section 55A of crook 55, relative to the base end part 55B of the crook 55 extended to same direction from the bearing of trend front end of main part 54, interval is vacated in the direction of opening cover of keyboard 13 relative.
Be configured at release position OP at cover of keyboard 13, and under the state that crook 55 is configured at locking position C1, the first fastener 51 is positioned on front side of the moving direction of the leading section 55A of the crook 55 corresponding with the direction of close key disk cover 13.Thereby, it is possible to stop cover of keyboard 13 to the movement of covering position CL.On the other hand, be configured at release position OP at cover of keyboard 13, and, under the state that crook 55 is configured at retreating position C2, because the first fastener 51 is not on front side of the moving direction of crook 55, keypad portion therefore can not be stoped to the movement of covering position CL.
User's operating portion 53 of present embodiment is the cover of keyboard front apron 27 of cover of keyboard 13.In the present embodiment, the crook 55 of cover of keyboard front apron 27 and the second fastener 52 links, to make crook 55 and the mobile interlock of cover of keyboard front apron 27 from second place A2 to primary importance A1, and the second fastener 52 is made to move to retreating position C2 from locking position C1.
In the present embodiment, cable 56 is utilized to link crook 55 and the cover of keyboard front apron 27 of the second fastener 52.It is inner that cable 56 is configured in cover of keyboard main body 26.One end of cable 56 is given prominence to from the base end part of the cover of keyboard main body 26 being positioned at turning axle 20 side, is fixed on the base end part 55B of crook 55.Further, the other end of cable 56 is given prominence to from the leading section of the cover of keyboard main body 26 being positioned at cover of keyboard front apron 27 side, the part abutted with the leading section of cover of keyboard main body 26 under being fixed on the state being configured at primary importance A1 of cover of keyboard front apron 27.This cable 56 has the operation transformation of cover of keyboard front apron 27 effect of the movement of the crook 55 being the second fastener 52.Specifically, the movement from primary importance A1 to second place A2 of cover of keyboard front apron 27 is converted to the movement from the retreating position C2 of crook 55 to locking position C1 of the second fastener 52 by cable 56.
Passing through with in the piano 1A of the present embodiment of upper type, when making cover of keyboard 13 move to release position OP from covering position CL, first, user makes cover of keyboard front apron 27 remain on primary importance A1 and make cover of keyboard 13 move to release position OP.Now, because the crook 55 of the second fastener 52 is configured in retreating position C2, therefore the first fastener 51 can not hinder cover of keyboard 13 to the movement of release position OP.
Then, after making cover of keyboard 13 arrive release position OP, cover of keyboard front apron 27 is moved to second place A2 from primary importance A1 by user.Thus, the crook 55 of the second fastener 52 moves to locking position C1 from retreating position C2, is locked to the first fastener 51.In this condition, the action of close key disk cover 13 can be stoped.
Therefore, when making cover of keyboard 13 move to covering position CL from release position OP, user needs to make cover of keyboard front apron 27 move to primary importance A1 from second place A2 and make the second fastener 52 move to retreating position C2 from locking position C1, then carries out the action of close key disk cover 13.
As discussed above, piano 1A according to the present embodiment, can play the effect identical with the first embodiment.
Further, piano 1A according to the present embodiment, user's operating portion 53 is cover of keyboard front aprons 27, and therefore user can utilize two hand support keyboard lids 13 while operate user's operating portion 53.
In addition, piano 1A according to the present embodiment, because user's operating portion 53 is cover of keyboard front apron 27 and cover of keyboard front apron 27 and the second fastener 52 are linked by cable 56, and cable 56 is configured in the inside of cover of keyboard 13, therefore, it is possible to not damaging the outward appearance of the piano 1A person's of being set using operating portion 53.
The structure of above-mentioned second embodiment also can be applicable to the piano 1 of the first embodiment.First fastener 31 of the first embodiment also can link up with user's operating portion 33 by the cable 56 of such as the second embodiment.In this case, cable 56 can be configured in framework 11 inside.
In the structure shown here, be not limited to user's operating portion 33 is set to give prominence to from the outside surface of side shield 28, also can be set to give prominence to from any outside surface of framework 11.That is, no matter how user's operating portion 33 can both be configured in position freely by the setting position of the first fastener 31.Therefore, user's operating portion 33 is configured in the backgrounds such as the lower surface of such as frame plate 21, the outward appearance affecting piano 1 due to the person's of being set using operating portion 33 can be suppressed.
Further, the first fastener 51 of above-mentioned second embodiment also can be configured to identical with the first fastener 31 of such as the first embodiment.In this case, when making cover of keyboard 13 move from covering position CL to release position OP, even if the crook 55 of the second fastener 52 is configured in locking position C1, by making crook 55 press the first fastener 51, the first fastener 51 can be made to overcome the acting force of force section 34 (with reference to Fig. 3) and keep out of the way inside from the inside surface 28a of side shield 28.That is, can prevent the first fastener 51 from hindering cover of keyboard 13 from covering position CL to the movement of release position OP.
Above, utilize two kinds of embodiments to be illustrated in detail the present invention, but the invention is not restricted to above-mentioned embodiment, not departing from main scope of the present invention and can carry out various change.
Such as, user's operating portion 33,53 is not limited to above-mentioned embodiment and utilizes the hand of user to operate like that, and the pin of user also can be utilized to operate.User's operating portion 33,53 can be such as utilize the pin of user to carry out the fastener operating pedal trampled.
In this case, under the state can not trampled by the pin of user at fastener operating pedal, first fastener 31 of the first embodiment or the second fastener 52 of the second embodiment are remained on locking position B1, C1, by utilizing the pin of user to trample, the first fastener 31 of the first embodiment or the second fastener 52 of the second embodiment is made to move to retreating position B2, C2 from locking position B1, C1.
As mentioned above, in order to play the function of fastener operating pedal, the cable 56 same with such as the second embodiment can be utilized fastener operating pedal and the first fastener 31 of the first embodiment or the second fastener 52 of the second embodiment to be linked up.When the first fastener 31 of fastener operating pedal and the first embodiment links, also cable 56 can be configured in the inside of framework 11.In addition, when the second fastener 52 of fastener operating pedal and the second embodiment links, also cable 56 can be configured in the inside of both framework 11 and cover of keyboard 13.
In the said structure of fastener operating pedal at user's operating portion 33,53, when making cover of keyboard 13 move from release position OP to covering position CL, user is by trampling fastener operating pedal with pin, the first fastener 31 of the first embodiment or the second fastener 52 of the second embodiment can be made to move from locking position C1 to retreating position C2, and therefore user can utilize its both hands support keyboard lid 13 more safely to close.
In addition, in the structure of fastener operating pedal at user's operating portion 33,53, other pedals such as sound pedal processed, soft sound pedal that fastener operating pedal and former piano can be made to have are adjacent to be configured in background, and the outward appearance of piano can be suppressed to reduce.
In addition, in the above-described embodiment, the ratio key 24 that first fastener 31,51 is arranged on the inside surface 28a of side shield 28 is more positioned at the region of upper side, such as, also can be arranged on the region (region specifically, between key 24 and key framework 29) being more positioned at lower side than key 24.In this case, because the first fastener 31,51 is configured in the invisible position of player, therefore, it is possible to ensure the good outward appearance of piano 1,1A.
In addition, the invention is not restricted to be applicable to the such upright piano of above-mentioned embodiment, such as, also can be applicable to grand piano.In this case, the first fastener 31,51 can be arranged on and form inside surface relative with the side of cover of keyboard 13 in the side plate (side plate) of grand piano framework.
In addition, the invention is not restricted to upright piano, grand piano etc. and utilize hammer 14 to hit the primary sound piano of string 15, such as, also can be applicable to the mellotron with primary sound piano with identical outward appearance.It should be noted that, the present invention is being specially adapted to the mellotron of target (sensor of such as sounding) having the Da Xian mechanism 16 same with primary sound piano, hammer 14 and hit by hammer 14 in mellotron.
Claims (7)
1. a keyboard instrument, is characterized in that, has:
Framework;
Cover of keyboard, it is set to swing freely relative to this framework;
First fastener, it is arranged on the inside surface of the side plate of the described framework relative with the side of described cover of keyboard;
Second fastener, it is arranged on the side of described cover of keyboard thus is positioned on the inside surface of described side plate, is locked to described first fastener when described cover of keyboard moves from open position to off-position, stops described cover of keyboard to the movement of described off-position;
User's operating portion, user, by operating on it, makes a fastener in described first fastener and described second fastener move being locked between the locking position of another fastener and the retreating position not being locked to another fastener.
2. keyboard instrument as claimed in claim 1, is characterized in that,
Have force section, this force section exerts a force to described locking position from described retreating position to a described fastener.
3. keyboard instrument as claimed in claim 1 or 2, is characterized in that,
Have cable, this cable links a described fastener and described user's operating portion, is the movement of a described fastener by the operation transformation of described user's operating portion,
The inside of this cable arrangement at least one party in described framework and described cover of keyboard.
4. keyboard instrument as claimed in claim 1 or 2, is characterized in that,
Described cover of keyboard has cover of keyboard main body and cover of keyboard front apron, described cover of keyboard main body is rotatably installed on described framework, and under the state that described cover of keyboard is configured at off-position, cover the upper side being arranged at the keypad portion of described framework, described cover of keyboard front apron is installed on this cover of keyboard main body, and under the state that described cover of keyboard is configured at off-position, cover the front of described keypad portion
Described cover of keyboard front apron is described user's operating portion, between the first location and the second location relative to described cover of keyboard body rotation freely, in described primary importance, the front of described keypad portion is covered under the state that described cover of keyboard front apron is configured at off-position at described cover of keyboard, in the described second place, fold with overlapping relative to described cover of keyboard main body under the state that described cover of keyboard front apron is configured at open position at described cover of keyboard
A described fastener is made to move to described retreating position from described locking position with described cover of keyboard front apron linkedly from the described second place to the movement of described primary importance.
5. keyboard instrument as claimed in claim 3, is characterized in that,
Described cover of keyboard has cover of keyboard main body and cover of keyboard front apron, described cover of keyboard main body is rotatably installed on described framework, and under the state that described cover of keyboard is configured at off-position, cover the upper side being arranged at the keypad portion of described framework, described cover of keyboard front apron is installed on this cover of keyboard main body, and under the state that described cover of keyboard is configured at off-position, cover the front of described keypad portion
Described cover of keyboard front apron is described user's operating portion, between the first location and the second location relative to described cover of keyboard body rotation freely, in described primary importance, the front of described keypad portion is covered under the state that described cover of keyboard front apron is configured at off-position at described cover of keyboard, in the described second place, fold with overlapping relative to described cover of keyboard main body under the state that described cover of keyboard front apron is configured at open position at described cover of keyboard
A described fastener is made to move to described retreating position from described locking position with described cover of keyboard front apron linkedly from the described second place to the movement of described primary importance.
6. keyboard instrument as claimed in claim 1 or 2, is characterized in that,
Described user's operating portion is fastener operating pedal, under the state that described user's operating portion is not trampled by the pin of described user, make a described fastener remain on described locking position, by utilizing the pin of described user to trample, a described fastener is made to move to described retreating position from described locking position.
7. keyboard instrument as claimed in claim 3, is characterized in that,
Described user's operating portion is fastener operating pedal, under the state that described user's operating portion is not trampled by the pin of described user, make a described fastener remain on described locking position, by utilizing the pin of described user to trample, a described fastener is made to move to described retreating position from described locking position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-164049 | 2014-08-12 | ||
| JP2014164049A JP2016040562A (en) | 2014-08-12 | 2014-08-12 | Keyboard instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105374341A true CN105374341A (en) | 2016-03-02 |
Family
ID=55376475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510424876.3A Pending CN105374341A (en) | 2014-08-12 | 2015-07-17 | Keyboard instrument |
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| Country | Link |
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| JP (1) | JP2016040562A (en) |
| CN (1) | CN105374341A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469340A (en) * | 2002-06-28 | 2004-01-21 | 卡西欧计算机株式会社 | Cover opening & closing device for keyboard instrument |
| CN1497531A (en) * | 2002-10-09 | 2004-05-19 | 雅马哈株式会社 | Stop device for keyboard cover of keyboard instrument |
| JP2008139701A (en) * | 2006-12-04 | 2008-06-19 | Kawai Musical Instr Mfg Co Ltd | Keyboard lid opening/closing mechanism for keyboard instrument, and keyboard instrument |
| JP2010145934A (en) * | 2008-12-22 | 2010-07-01 | Yamaha Corp | Music score plate-supporting structure of musical instrument |
| CN101937668A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | The switchgear of keyboard lid |
| CN202003654U (en) * | 2010-10-14 | 2011-10-05 | 青岛世正乐器有限公司 | Braking device for piano keyboard cover |
-
2014
- 2014-08-12 JP JP2014164049A patent/JP2016040562A/en active Pending
-
2015
- 2015-07-17 CN CN201510424876.3A patent/CN105374341A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1469340A (en) * | 2002-06-28 | 2004-01-21 | 卡西欧计算机株式会社 | Cover opening & closing device for keyboard instrument |
| CN2702407Y (en) * | 2002-06-28 | 2005-05-25 | 卡西欧计算机株式会社 | Cover switching device for keyboard instruments |
| CN1497531A (en) * | 2002-10-09 | 2004-05-19 | 雅马哈株式会社 | Stop device for keyboard cover of keyboard instrument |
| JP2008139701A (en) * | 2006-12-04 | 2008-06-19 | Kawai Musical Instr Mfg Co Ltd | Keyboard lid opening/closing mechanism for keyboard instrument, and keyboard instrument |
| JP2010145934A (en) * | 2008-12-22 | 2010-07-01 | Yamaha Corp | Music score plate-supporting structure of musical instrument |
| CN101937668A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | The switchgear of keyboard lid |
| CN202003654U (en) * | 2010-10-14 | 2011-10-05 | 青岛世正乐器有限公司 | Braking device for piano keyboard cover |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016040562A (en) | 2016-03-24 |
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