CN1024051C - Keyboard apparatus for musical instrument - Google Patents
Keyboard apparatus for musical instrument Download PDFInfo
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- CN1024051C CN1024051C CN 90106081 CN90106081A CN1024051C CN 1024051 C CN1024051 C CN 1024051C CN 90106081 CN90106081 CN 90106081 CN 90106081 A CN90106081 A CN 90106081A CN 1024051 C CN1024051 C CN 1024051C
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- musical instrument
- key
- console panel
- instrument case
- keyboard
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Abstract
This invention relates to a keyboard apparatus for a musical instrument such as a musical keyboard instrument for electronic pianos, electronic organs, or acoustic keyboards. This keyboard apparatus has a musical instrument body, a plurality of keys attached to the musical instrument body (1) , and a console panel attached to the musical instrument body. A key concealing unit for concealing the base end portions of the plurality of keys are integrally molded with one edge of the console panel. Thus the nummber of components is decreased, and the cost is reduced.
Description
The present invention relates to a kind of key board unit of electronic musical instrument, such as the key board unit of the electronic music instrument keyboard that is used for pianotron or electric organ.
Such as pianotron, in the electronic keyboard of electric organ or electronics synthesizer, organize the key groups of forming by white key and black key more and be installed on the musical instrument body (being called " musical instrument case " hereinafter) by predetermined arrangement.Key is contained in the musical instrument case, and each key is around do the vertical direction rotation as each base end part of rotation axis like this.
In this electronic musical instrument keyboard apparatus, have many in musical instrument case the method for fitting key.In first kind of installation method, the base end part of each key is directly installed from upper surface one side of musical instrument case, and this musical instrument case has topotype notes whole with it header board together.In second kind of installation method, the base end part of each key at first is connected on the keyboard underframe as another part.Then, this keyboard underframe is installed from one side of the lower surface musical instrument case, and this musical instrument case has whole topotype notes header board together, and this header board is used for key is exposed to musical instrument case.
In first kind of installation method in front, the base end part of key can be installed from musical instrument case front surface one side on the musical instrument case, and therefore, installment work is simple and is easy to.Yet because the mounting structure of the base end part of key is exposed to outside the musical instrument case, its outward appearance is defective, therefore, this musical instrument especially needs a masking material that is used to hide the base end part mounting structure of key, and masking material has increased the part count of key board unit, and has improved cost thus.
After second kind of installation method in, the mounting structure of the base end part of key is contained in the musical instrument case, therefore, mounting structure is not exposed at outside the musical instrument case.Yet, in musical instrument case rear surface one side the try to get to the heart of a matter work of frame of this fitting key is installed as another part and causes trouble for the assembling of key board unit.The keyboard underframe has increased the number of parts of key board unit and has increased cost thus.
What the key board unit keys of group more than having, that each group is integrally annotated by the synthetic resin mould respectively was disclosed has, Japanese patent application and the U.S. Pat P Nos.3 of unexamined Nos.64-91186 and 64-91187 are for example disclosed, 205,754 and 3,797,357, in this key board unit, directly relate to the installation step of many group keys and the number of parts and be reduced to a degree, but the key board unit number of parts of an integral body and this minimizing of installation step are not enough.
The present invention considers above description and designs that the purpose of this invention is to provide a kind of key board unit, in this key board unit, it is external that the mounting structure of the base end part that is installed to musical instrument case of key is not exposed to musical instrument.
Another object of the present invention provides a key board unit, has sufficiently improved assembly work and reduced number of spare parts in this key board unit.
In order to realize purpose of the present invention described above, according to the present invention, key board unit comprises: the musical instrument body; The key that many groups are connected with the musical instrument body at its base end part (being called as " shared mounting bar " among the embodiment) removably respectively and be contained in console panel on the described musical instrument body, this plate are used to cover the base end part that described key and musical instrument body join; And the edge of a described console panel, the whole mould of the shielding part of this console panel and key is annotated and is formed, and shielding part is used to hide the base end part that described key and described musical instrument body join.
In a kind of configuration example of the present invention, the base end part of organizing key is connected on the musical instrument body more, and console panel is connected on the musical instrument body then, and this console panel entirely is in the same place with keyboard shielding part injection molding.Console panel can directly be linked on the musical instrument body from upper surface, so that the shielding part of key hides the base end part of key.Therefore, the assembly working of key board unit can simply and easily be finished, when console panel is contained on the musical instrument body, be used to avoid mounting structure be exposed to musical instrument external the time and the whole topotype of console panel annotate the mounting structure that together key shielding part hides the key cardinal extremity.Therefore improved the outward appearance of keyboard structure.The whole topotype of key shielding part and console panel is annotated the number of spare parts that has together reduced key board unit.
In another kind of configuration example of the present invention, console panel entirely is in the same place with key shielding part and loudspeaker fixed part mould notes, this shielding part is used to hide the mounting structures of organizing the base end part of keys more, and this loudspeaker fixed part is loudspeaker fixedly, and console panel is fixed on the musical instrument body.Therefore the key shielding part that forms separately is not necessary, and when polytype switch was contained on the console panel, loudspeaker was contained on the loudspeaker mounting part simultaneously, so the loudspeaker installment work can simply easily be finished.
In further a kind of configuration example of the present invention and the console panel annotated together of the whole topotype of the tone cartridge of key shielding part be fixed on the musical instrument body, this shielding part is used to hide the mounting structures of many group key base end parts, this tone cartridge is used to adorn the tone card.Therefore, the key shielding part part that forms separately is not by special demands.When all kinds switch was contained on the console panel, the electric device that resembles web member etc. can be connected on the music cartridge simultaneously, so resembling the connection work that the electric device of web member is connected on the console panel can finish quickly and easily.
In the another kind of configuration example of the present invention, with key shielding part, tone cartridge and loudspeaker fixed part intactly injection molding console panel together be contained on the musical instrument body, this shielding part is used to hide the mounting structures of organizing the base end part of keys more, the tone cartridge is used to adorn the tone card, and loudspeaker is contained on the loudspeaker mounting part.Therefore the key masking material that forms separately is not by special requirement, so electric device, unitor for example can be linked the tone cartridge quickly and easily and when polytype switch was contained on the console panel, loudspeaker can be installed on the loudspeaker mounting part quickly and easily.
That is to say that the present invention proposes a kind of key board unit and comprises musical instrument case (1), many group keys (12,15,18,131), it removably is connected to musical instrument case (1) at its base end part (11,14,17), an and console panel (5), it is contained in the base end part that installs to musical instrument case (1) (11,14,17) to hide described key on the described musical instrument case, one lateral edges of described console panel (5) is intactly annotated with a key shielding part (41) mould and is in the same place, this shielding part (41) is used to hide the base end part (11,14,17) that is contained in the described key on the described musical instrument case;
Described many group keys (12,15,18,131) are annotated together at the mutual mould of its base end part (11,14,17);
Described console panel (5) removably is contained on the described musical instrument case (1);
Described console panel (5) is entirely annotated with described musical instrument case (1) mould by book elastomeric element (105) and is in the same place, this book elastomeric element (105) is formed on the surrounding edge position of musical instrument case, this edge is positioned at the relative one side of base end part (11,14,17) with described key;
Fixedly the loudspeaker fixed part (43) of loudspeaker (44) is further entirely annotated with described console panel (5) mould and is in the same place;
The tone cartridge (61) that is used to adorn the tone card is further entirely annotated with described console panel (5) mould and is in the same place;
The loudspeaker fixed part (43) of described fixedly loudspeaker (44) further entirely is in the same place with described console panel (5) injection molding with the tone cartridge that is used to adorn tone card (63).
Additional objects and advantages of this invention will be stated below.Some of them are significantly in description, perhaps can obtain from concrete enforcement of the present invention.Objects and advantages of the present invention can be familiar with and obtain by special means that propose and combination in the claim.
Showed the several optimum examples that the present invention is present in conjunction with instructions and the accompanying drawing that consists of an instructions part, and, illustrated purport of the present invention in conjunction with above the general description and the detailed description of most preferred embodiment hereinafter.
Fig. 1 is the three-dimensional exploded view of the electronic musical instrument keyboard apparatus main part of expression first embodiment according to the invention;
Fig. 2 is the planimetric map of electronic musical instrument keyboard apparatus in the presentation graphs 1;
Fig. 3 is the sectional view of Fig. 2 along III-III;
Fig. 4 is the three-dimensional exploded view according to the main part of the electronic musical instrument keyboard apparatus of expression second embodiment of the present invention;
Fig. 5 is the electronic musical instrument keyboard apparatus planimetric map in the presentation graphs 4.
Fig. 6 is the sectional view along VI-VI of Fig. 5.
Fig. 7 is that expression is according to the 3rd embodiment of the present invention, the three-dimensional exploded view of the main part of the electronic musical instrument keyboard apparatus of expression;
Fig. 8 is the planimetric map of the electronic musical instrument keyboard apparatus of presentation graphs 7;
Fig. 9 is the sectional view along IX-IX of Fig. 8;
Figure 10 is the sectional view along X-X of Fig. 8 part;
Figure 11 is the three-dimensional exploded view of a temporary transient attachment post of the electronic musical instrument keyboard apparatus console panel of presentation graphs 7;
Figure 12 is the sectional views of presentation graphs 8 parts along XII-XII;
Figure 13 is the three-dimensional exploded view of another temporary transient attachment post of the electronic musical instrument keyboard apparatus console panel of presentation graphs 7;
Figure 14 is the upward view of the example of one of the expression dry cell box that is packed in console panel;
Figure 15 is the sectional view along X V-X V of Figure 14;
Figure 16 be expression another be packed in the cut-open view of example of the dry cell box of console panel;
Figure 17 is the longitudinal sectional drawing of expression according to the main part of the key board unit of the 4th embodiment of the present invention;
Figure 18 is that expression is according to the 5th embodiment of the present invention, the longitudinal sectional drawing of the main part of key board unit.
Different embodiment of the present invention and modified will be described in detail with reference to accompanying drawing below.
According to the present invention, Fig. 1 schematically shows the main part of first embodiment of electronic musical instrument keyboard apparatus to Fig. 3.
In this electronic musical instrument keyboard apparatus, as illustrated in fig. 1 and 2, a plurality of white key groups 2,3, these a plurality of white key components become two types and make by synthetic resin, and a plurality of black key groups 4 only comprise one type and made by synthetic resin, on the first half of the upper surface that these are white, the black key group is installed in musical instrument case 1 by predefined procedure, and console panel 5 of being made by synthetic resin is installed on musical instrument case 1 upper surface latter half of, and musical instrument case 1 is made by synthetic resin and constituted the musical instrument body.
Every group of white key 2 of one type of two types of a plurality of white key groups has four to be used to demarcate tone C, E, the white key 12 of G and B.These four white keys 12 are entirely annotated (Fig. 1) together with shared mounting bar 11 moulds, link to each other with shared mounting bar 11 by thin 13, four white keys of elastomeric element like this.Has with Bai Jianjian wide corresponding space between adjacent two of four Bai Jianzhong.Every group of white key 3 of another type has three or four and demarcates tone D, F and A or D, F, the white key 15 of A and C.These three or four white keys 15 are entirely annotated with shared mounting bar 14 moulds and are in the same place, and this shared mounting bar 14 has the length identical with the shared mounting bar 11 of last type of white key group 2, and by thin elastomeric element 16, shared mounting bar 14 links to each other with white key group 3.Has wide corresponding space between adjacent two between four or three the white keys with Bai Jianjian.Each black key group 4 has 5 and demarcates tone C respectively
#, D
#, F
#, G
#And A
#Black key 18.These 5 black keys 18 are entirely annotated with shared mounting bar 17 moulds and are in the same place, and this shared mounting bar 17 has the length identical with the mounting bar 11 of the white key group 2 of last class, and by thin elastomeric element 19(Fig. 3) black key 18 links to each other with shared mounting bar 17.
When the key group 2 to 4 of foregoing description was installed in the precalculated position of musical instrument case 1, the shared mounting bar 17 of each black key group 4 was installed on the precalculated position of upper surface of musical instrument case 1.Then, the shared mounting bar 14 of the white key group 3 of one of two kinds of white key types repeatedly is contained on the precalculated position of upper surface of shared mounting bar 17 of black key group 4, and the shared mounting bar 11 of the white key group 2 of above-described another kind of type is stacked on the precalculated position on the upper surface of shared mounting bar 14 of Bai Jian group 3.Form the white key 12,15 and the black key 18 of an octave and install, when this arrangement by the pre-row of arranging, aforesaid three shared mounting bars 17,14 and 11 is that superposition is installed, and makes the screw on shared mounting bar 11,14 and 17 be screwed into hole (not having expression among the figure) coincidence mutually.When screw 20 inserted the screw insertion hole that overlaps and be screwed in the threaded hole (not having expression among the figure) that is formed on the musical instrument case 1, white key group 2,3 and the black key group 4 of forming an octave were contained on the musical instrument case 1.Notice that black key group 4 can provide two octave rather than an octave.In this case, two shared mounting bars 11 of two white key groups 2 of same kind are installed on the shared mounting bar 17 of black key group 4, and the white key group of each of this type is used for an octave, and this black key group 4 is used for two octave.And two shared mounting bars 14 of two white key groups 3 of another type are repeatedly adorned on it, and the white key group of each of the type is used for an octave.
Each key group 2,3 and 4 key will be that representative is described with black key 18, and the description of Bai Jian 12,15 will be omitted.
As shown in Figure 3, the pressure switch projection 21 that has star section in the lower surface center of each black key 18.The automatic restoring type rubber switch of push button (after this claiming rubber switch) 22 is contained in the pressure switch projection 21 times.Rubber switch 22 is contained on the annular slab 24, and this annular slab is fixed on screw 23 on the inside surface of musical instrument case 1, passes the through hole 25 in the musical instrument case 1 like this, and rubber switch 22 is stretched from the musical instrument case upper surface.Black key 18 is positioned on the screen resilience of thin elastomeric element 19 of cardinal extremity and the restoring force of rubber switch 22 upwards tightly heads on.The maximum of black key 18 moves upward position (key is pressed former initial position) by 27 qualifications of the L that is had type hook, the preceding lower end of the side plate 26 of the black key 18 of this hook-forming, and the outstanding downwards through hole 28 that is formed on the musical instrument case that passes, and then touch mutually with bar shaped upper limit scotch 29, this upper limit scotch 29 is made by for example felt or similar material, and be installed on the inside surface of musical instrument case 1, adjacent to through hole 28 places; Strip lower limit scotch 31 is for example made by felt or similar felt thing, be installed on the upper surface of musical instrument case 1, this position is positioned at and corresponding section, upper limit scotch 29 position, when black key rotates under the guiding of key guide rod 30 from above-mentioned initial position, touch mutually with the lower limit scotch lower end of the side plate 26 of black key 18, and the maximum that lower limit scotch 31 defines black key 18 moves downward the position.Stiffening rib 32 and post 33 with threaded hole are formed on interior downward the giving prominence in a zone of musical instrument case 1 inside surface, and stiffening rib 32 and post 33 place around annular plate 24 places.The lower cover of being made by sheet metal 34 is contained in the protruding end of post 33 by screw 35.Stand leg 36 is intactly annotated together with musical instrument case 1 mould on a plurality of positions on the lower surface of musical instrument case 1.
As depicted in figs. 1 and 2, console panel 5 has key shielding part 41, and this one 41 does not have expression among the recess 42(figure of two Zhi Lepu in its back-end in addition at the Zone Full of its front end).Console panel 5 also has loudspeaker erection column 43(as shown in Figure 3).The post 43 that is threaded the hole is arranged in a plurality of positions on the left part of Fig. 1, and loudspeaker 44 is installed on the loudspeaker erection column 43 by screw 45.Have one to be used for allowing the sound holes 44a that goes out from the sound dispersion that loudspeaker 44 produces on the position of console panel 5, this hole is positioned on the position of relative loudspeaker 44.
As shown in Figure 3, when console panel 5 was installed in the musical instrument case 1, screw (not having expression among the figure) was screwed into console panel 5 from rear surface one side of musical instrument case 1, and key shielding part 41 is installed on the shared mounting bar of repeatedly adorning 11,14 and 17 of key group 2,3 and 4 like this.
As shown in Figure 2, the sliding button 51 in the slide switch group and the shift knob 52 of many push-button switchs are installed on the upper surface of console panel 5 with predefined procedure, the switch of these slidingtypes and push button is to be electrically connected and main loop plate (not having expression among the figure) connection, this plate is contained in the jag surface of outstanding support column downwards with threaded hole, and this support column is formed on the inside surface of console panel 5.The annular slab 24 that rubber switch 22 is housed also is to be switched to main annular plate with electrical connection.One group of dry cell 54 provides electric current for main annular plate, this dry cell batteries is encased in the dry cell box 53, this dry cell box 53 is formed by two sidewalls that stretch out downwards from the precalculated position of the inside surface of console panel 5, and what this two sidewall was parallel to each other is arranging, as shown in Figure 1.
Electronic musical instrument keyboard apparatus according to aforesaid first embodiment structure, when key 12, the thin elastomeric element 13 in 15 and 18 contrary roads, when 16 and 19 the elastic force and the elastic force of rubber switch are pressed, the corresponding rubber switch 22 of pressure switch projection 21 extruding, the rubber switch 22 that is pressed down is because of elastic deformation is opened, simultaneously aforesaid main annual disk (not having expression among the figure) from loudspeaker 44 send one prefabricated corresponding to the tone that is pressed down rubber switch 22.When being applied to the key 12 that is pressed down, when 15 and 18 pressure disappeared, key 12,15 and 18 was because of thin elastomeric element 13, the elastic reset power of 15 and 19 elastic restoring force and rubber switch 22 returns to their initial position, and simultaneously rubber switch 22 recovers and is switched off from elastic deformation.
In electronic musical instrument keyboard apparatus, key group 2,3 and 4 shared mounting bar 11,14 and 17 can be directly installed on the musical instrument case 1 from upper surface side, and an octave of keyboard is made up of 3 key groups, and perhaps two of keyboard octave are made up of 5 key groups.Therefore, the installment work of key can simply easily be carried out in musical instrument case 1.By at musical instrument case 1 console panel 5 being installed, the key shielding part 41 of console panel 5 is installed in the thin elastomeric element 13 of key group 2,3 and 4,16 and 19 and the top of shared mounting bar 11,14 and 17, so that hide thin elastomeric element 13,16 and 19 and shared mounting bar 11,14 and 17.Avoided like this to hiding thin elastomeric element 13,16,19 and shared mounting bar 11,14 and 17 and the special-purpose masking material that is provided with separately.
Fig. 4 has represented main part according to the electronic musical instrument keyboard apparatus of second embodiment of the present invention to Fig. 6.In these figure, the numeral identical with piece mark among Fig. 1 to Fig. 3 in first embodiment be used to mark with first embodiment in the identical or suitable parts of parts, the detailed description of these parts will be omitted.
In the electronic musical instrument keyboard apparatus in a second embodiment, tone cartridge is entirely annotated with console panel 5 moulds in Fig. 4 and Fig. 5 and is in the same place, and it is positioned at console panel 5 right rear ends.Tone card lid 61 has an opening on console panel 5, and this opening is covered by openable lid 62.Tone card 63 is being put in opening removedly, is storing tone informations such as resembling harmony, obligato, chord in this tone card.
Fig. 7 to Fig. 9 represents an electronic musical instrument keyboard apparatus according to the 3rd embodiment of the present invention.In these figure, the numeral identical with identical parts label in Fig. 1 to Fig. 3 of first embodiment be used to mark with first embodiment in the identical or suitable parts of parts, the detailed description of these parts will be omitted.
In the 3rd embodiment, in order to simplify the installation of the console panel in the musical instrument case 1, console panel 5 can temporarily be contained on the musical instrument case 1 during above said installment work.
When the console panel with above-mentioned structure is installed in the musical instrument case 1, the left side is temporarily adhered to bolt 143 and is pressed into against the elastic force of a pair of bridge shape section 147 and is engaged in the opening 145, and, the right side is temporarily adhered in the opening that bolt 144 is pressed into the surface, protruding end that is engaged in post 148, key masking material 41 is installed in key group 2 like this, 3 and 4 shared mounting bar 11,14 and 17 top.
Under this state, the time marquis who had installed when musical instrument case 1 was made progress in its rear surface, console panel 5 can not fall from musical instrument case yet.Become more convenient for console panel 5 being fixed on the work that on the musical instrument case 1 screw is screwed into overhanging musical instrument case rear surface.When console panel 5 is fixed on the musical instrument case 1, the jag surface of the outstanding wall components 149 that forms is to touch mutually with the upper surface of the shared mounting bar 11 of white key group 2 downwards in the pre-position of the inside surface of console panel 5, this shared mounting bar 11 is installed in the topmost of key installation site of the upper surface of musical instrument case 1, and this touching mutually reinforced console panel 5.
Fig. 9 has represented main loop plate 155, is mounted sliding button 51(such as Fig. 8 on this annular slab) one group of slide switch and have button 52(such as Fig. 8) many push-button switchs, and these buttons 51 and button 52 are outstanding from the upper surface of console panel 5.Main annular plate 155 is fixed on the jag that has the post that threaded hole is arranged 152 that stretches out from the inside surface of console panel 5 downwards, and annular plate 24 usefulness are switched to main annular plate 155, on this plate 24, rubber switch 22 as in first embodiment, install as described in.Main loop plate 155 obtains electric energy from Battery packs 54 that are contained in the battery case 53, and this battery case 53 comprises the outstanding sidewall 161 that forms in pre-position on the inside surface of a pair of console panel 5 downwards, and these two sidewalls are set to be parallel to each other.
Figure 14 has represented dry cell box 53 in 15 in detail.Dry cell box part 53 has an end wall 162, this wall 162 is formed on the inside surface of console panel 5, be in order to block an end in the space between the pair of parallel sidewall 161, a coupled columns 163, this post are formed on the inside surface of console panel 5 and are arranged on the other end in the space between the pair of sidewalls 161.This coupled columns 163 with pair of sidewalls 161 orthogonal directions on apart from one another by, and each root post has the C tee section.The opening in the cross section of post 163 toward each other, for fear of the vibration of each dry cell between pair of sidewalls 161, vibration protection band 164 pastes the facing surfaces of two sidewalls 161.Volute spring 165 is contained on the inside surface of end wall 162, so that and the negative pole end that is contained in that joint dry cell 54 between two sidewalls 161 and the next-door neighbour's end wall 162 joins, one coupled columns 163 is by being clamped in end plaste 166 dual-sides in its opening, with support terminal plate 166, be contained between two sidewalls and the positive pole of the dry cell of next-door neighbour's post 163 touches mutually with end plaste.
When console panel 5 was installed in the precalculated position of musical instrument case 1, the protruding end face of the pair of sidewalls 161 of dry cell box 53 was near the upper surface of musical instrument case 1.When one or two prominent surface of pair of sidewalls 161 contacted with the upper surface of musical instrument case 1, console panel 5 can be reinforced.As shown in Figure 7, when dry cell outlet 171 is located at the precalculated position of musical instrument case 1, need not removes console panel 5 dry cells 54 from musical instrument case 1 and just can change, this precalculated position is that the corresponding dry cell between pair of sidewalls 161 is transported and stored the place, space.Dry cell outlet 171 is sealed by battery cover.(not having expression among the figure)
When console panel 5 is installed in the pre-position of musical instrument case 1, if the protruding end face of two sidewalls 161 separates with the upper surface of console panel 1, as shown in figure 16, post 172 with threaded hole is formed on the outside of a pair of inside surface upper side wall 161 at console panel 5 and stretches out downwards, and dry cell lid 173 is fixed on the protruding end of post 172 to cover the opening of dry cell box by screw 174, this opening is at the place, side, protruding end of pair of sidewalls 161.
Figure 17 is expression, according to the 4th embodiment of the present invention, and the main part of expression electronic musical instrument keyboard apparatus.
In the key board unit of this embodiment, under casing 102 is entirely annotated with the front end mould of the keyboard underframe 100 of synthetic resin by thin elastomeric element 103 and is in the same place, and underframe 100 has constituted musical instrument case 1.Console panel 5 is entirely annotated with the rearward end mould of keyboard underframe 100 by thin elastomeric element 105 and is in the same place.All black keys 18 are entirely annotated with the leading section mould of console panel 5 by thin elastomeric element 107 and are in the same place.
Stretch out downwards a plurality of positions that the post 111 that is threaded the hole is formed on the lower surface of keyboard underframe 100.When its mould notes had just been finished, shown in dotted line among the figure, under casing 102 was set at a side of keyboard underframe 100.In this assembling process, at first shown in solid line, under casing 102 utilizes thin elastomeric element 103 elastic deformations to be moved to the bottom of keyboard underframe 100.Under casing 102 contacts with the lower surface of the post 111 of keyboard underframe 100, and the screw 112 that injects the through hole (not having expression among the figure) be formed under casing 102 places is screwed in the threaded hole of post 111 lower surfaces, and under casing 102 is fixed to the lower surface of post 111 like this.Stand leg 113 is formed on a plurality of positions on the lower surface of under casing 102.
Reinforce a plurality of positions that gusset 116 is formed on the inside, rear surface of console panel 5.Peristome 115 is formed on each bottom that reinforces a limit of gusset 116, and near thin elastomeric element 105 places, when its whole mould notes had just been finished, console panel 5 was placed in together at a side (shown in dotted line) and the black key 18 of keyboard underframe 100.In assembling process, shown in figure solid line portion, utilize the elastic deformation of thin elastomeric element 105 to make console panel 5 move on to the upside (shown in solid line) at the rear portion of keyboard underframe 100, and each peristome 115 of reinforcing gusset 116 engages with joined wall 117, this protrudes upward in conjunction with the rear end of wall at the upper surface of keyboard underframe 100, and console panel 5 is secured to the rear portion of keyboard underframe 100 like this.If post with threaded hole is arranged on the upper surface of the inside surface of console panel 5 or keyboard underframe 100, screw can pass console panel 5 or not be screwed into the threaded hole of post with the underframe 100 of post, thus just the upper surface rear portion that console panel 5 is fixed to keyboard underframe 100.
When console panel 5 is fixed on the rear portion of keyboard underframe 100 as mentioned above, shown in Figure 17 solid line, black key 18 is installed in the top, middle part of keyboard underframe 100, as described above in the state, as mentioned above, push button recovers rubber switch 22 automatically and is positioned under the pressure switch projection 21, and this projection 21 stretches out downwards from the center on the lower surface of black key 18, this switch 22 is contained on the upper surface of leading section of elastic annular plate 123, and this elastic annular plate 123 is installed on the upper surface of keyboard underframe 100.The rearward end of elastic annular plate 123 extends to the position under the console panel 5, and forms the circuit of key board unit.
The elastic-restoring force of thin elastomeric element 107 and the automatic restoring force of elasticity of rubber switch 22 push away black key 18 to tightening, and, use the maximum of a L shaped hook 125 each black key 18 of the decision position (initial position) that moves up, one the leading section of this hook 125 from two sidewalls 124 stretches out downwards, and pass the through hole 126 of the leading section of keyboard underframe 100, touch mutually with stripe shape upper limit scotch 127, this scotch 127 is made by felt or other analog, is near the lower surface place of key rib underframe 100 through hole 126.When black key 184 is pressed, the lower limit scotch of making by felt or analog 128, the maximum that is used to limit each black key 18 moves down the position, this lower limit scotch 118 is positioned at the position corresponding to the keyboard chassis top surface of upper limit scotch 127, and touch mutually with lower limit scotch 128 lower end of the one-tenth oppose side wall 124 of each black key 18.A plurality of guide rods 129 are installed in the preceding upper surface of keyboard underframe 100, and this guide rod 129 is used to guide the vertical direction motion of black key 18.When the motion of corresponding black key 18 in the vertical directions, each guide rod 129 contact with the inside surface of the double side wall 124 of corresponding black key 18 slidably, like this when black key 18 when vertical direction moves, avoided laterally moving.
In this key board unit, under casing 102 and console panel 5 pass through thin elastomeric element 103,105 entirely is in the same place with the keyboard underframe 100 moulds notes of synthetic resin, and black key 18 further entirely is in the same place with console panel 5 moulds notes by thin elastomeric element 107.Therefore, the component number of key board unit and installation step number have significantly reduced, and have reduced production and assembly cost thus.Interelement quality of fit, especially the quality of fit of black key 4 improves.
Among Figure 17, Bai Jian does not have expression, but white key can entirely equally be in the same place by the leading section mould notes of thin elastomeric element and console panel 5 with the situation of black key 18.For example, resemble the situation of described afterwards the 5th embodiment, the white key that forms can be installed on the keyboard underframe 100 separately, and so white key can be placed in the front portion of the leading section of console panel 5 corresponding to black key 18 by predetermined arrangement.In other words, have only white key entirely to annotate by the leading section mould of thin elastomeric element and console panel 5 and be in the same place, the black key of mould notes can be installed in the pre-position on the keyboard underframe 100 separately.
The main part that shown in Figure 180 is according to the key board unit of the 5th embodiment of the present invention.In Figure 18, the piece mark identical with piece mark among Figure 17 is used for mark quite or same parts, and detailed description will be omitted.
In the key board unit of the 5th embodiment, keyboard underframe 100, under casing 102 are annotated with the entirely mutual mould of console panel 5 usefulness synthetic resin and are in the same place, and black key 18 and the independent member of Bai Jian 131 formation.Be used for five tones, for example C
#, D
#, F
#, G
#And A
#5 black keys 18 entirely annotate by thin elastomeric element 133 and be in the same place with shared mounting bar 134 moulds, and constitute a black key group, these five black keys 18 have the length corresponding to an octave.Seven white key groups 131 are annotated together by thin elastomeric element 135 and shared mounting bar 134 moulds and are constituted a white key group 136, and these seven white keys have seven tones, as C, and D, E, F, G, A and B, these 7 white keys similarly have the length corresponding to an octave.
Black key group 4 described above and Bai Jian group 136 are installed in the keyboard underframe 100, so that form an octave of keyboard as will be described in the following.The mounting bar 132 of black key group 4 at first is installed in the pre-position on the upper surface of keyboard underframe 100, and the shared mounting bar 134 of white key group 136 repeatedly is contained on the upper surface of shared mounting bar 132 of black key group 4, under this situation, the black key 18 that is used for the black key group 4 of an octave is installed with predetermined arrangement with the white key 131 that is used for the white key group 136 of an octave, this arrangement is used for an octave of keyboard, this keyboard is on the first half of the upper surface of the frame 100 of trying to get to the heart of a matter, and screw insertion hole (not having expression among the figure) is respectively formed on the shared mounting bar 132,134 with matching.Screw 136 inserts after the screw insertion hole that matches, and being screwed in the threaded hole (does not have expression) among the figure, and this hole is formed on the keyboard underframe 100.Such black key group 4 and a white key group 136 just have been installed on the keyboard underframe 100.
After the black key group 4 of predetermined quantity and Bai Jian group 136 is installed on the precalculated position of keyboard underframe 100, utilize the thin elastomeric element 105 of elastic bending console panel 5 to be installed in above the rear portion of keyboard underframe 100, so that make black key group 4 and Bai Jian group 136 shared mounting bar 132 and 134 and thin elastomeric element 133,135 covered by console panel 5.Therefore, need not use the key masking material that forms separately, just can improve the outward appearance of key board unit.
In the console panel 5 of key board unit, push-button switch is installed as follows: one group of rubber switch 141 is installed on the upper surface of elastic annular plate 123, this plate extends below the console panel on the upper surface of keyboard underframe 100 5, and, one group of excellent type button 142 that is used for pushing rubber switch 141 is installed in guide 143, this part 143 is installed in the console panel 5, and guide openings 144 is formed on the upper wall of console panel 5.Button 142 has been avoided coming off from guide 143 and its opening 144.The rubber switch 22 of one group of selected tone is installed on the leading section of elastic annular plate 123, this elastic annular plate 123 constitutes a key board unit electric pathway, and rubber switch 141 above-mentioned is installed on the annular plate rearward end, omits a number of components that is electrically connected and has simplified key board unit thus in key board unit.
Additional advantage and improvement are easy to appear in the foregoing description in this field.Therefore the present invention is not subjected to the specific details and the restriction of representing equipment in this description and displaying aspect keyboard, so, when not breaking away from the spirit or scope of claim and the defined universal of the present invention of coordinator, can cause various modifieds.
Claims (7)
1, a kind of key board unit comprises musical instrument case (1), many group keys (12,15,18,131), it is removably at its base end part (11,14,17) be connected to musical instrument case (1), and a console panel (5), it is contained on the described musical instrument case to hide the base end part (11,14 that installs to musical instrument case (1) of described key, 17), it is characterized in that a lateral edges of described console panel (5) is intactly annotated with a key shielding part (41) mould and is in the same place, this shielding part (41) is used to hide the base end part (11 that is contained in the described key on the described musical instrument case, 14,17).
According to the described device of claim 1, it is characterized in that 2, described many group keys (12,15,18,131) are annotated together at the mutual mould of its base end part (11,14,17).
According to the described device of claim 1, it is characterized in that 3, described console panel (5) removably is contained on the described musical instrument case (1).
4, according to the described device of claim 1, it is characterized in that, described console panel (5) is entirely annotated with described musical instrument case (1) mould by book elastomeric element (105) and is in the same place, this thin elastomeric element (105) is formed on the surrounding edge position of musical instrument case, this edge is positioned at the base end part (11 with described key, 14,17) relative one side.
According to the described device of claim 1, it is characterized in that 5, fixedly the loudspeaker fixed part (43) of loudspeaker (44) is further entirely annotated with described console panel (5) mould and is in the same place.
According to the described device of claim 1, it is characterized in that 6, the tone cartridge (61) that is used to adorn the tone card is further entirely annotated with described console panel (5) mould and is in the same place.
According to the described device of claim 1, it is characterized in that 7, the fixing loudspeaker fixed part (43) of loudspeaker (44) further entirely is in the same place with described console panel (5) injection molding with the tone cartridge that is used to adorn tone card (63).
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1336687A JPH03197998A (en) | 1989-12-27 | 1989-12-27 | Keyboard device |
| JP89336687 | 1989-12-27 | ||
| JP336687/89 | 1989-12-27 | ||
| JP1989151126U JPH0390285U (en) | 1989-12-30 | 1989-12-30 | |
| JP89151126 | 1989-12-30 | ||
| JP89341512 | 1989-12-30 | ||
| JP341512/89 | 1989-12-30 | ||
| JP151126/89 | 1989-12-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1052963A CN1052963A (en) | 1991-07-10 |
| CN1024051C true CN1024051C (en) | 1994-03-16 |
Family
ID=26480479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90106081 Expired - Fee Related CN1024051C (en) | 1989-12-27 | 1990-12-25 | Keyboard apparatus for musical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1024051C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007025442A (en) * | 2005-07-20 | 2007-02-01 | Yamaha Corp | Electronic keyboard musical instrument |
| JP4604897B2 (en) * | 2005-07-21 | 2011-01-05 | ヤマハ株式会社 | Keyboard device |
| JP4899870B2 (en) * | 2007-01-05 | 2012-03-21 | ヤマハ株式会社 | Electronic keyboard instrument exterior structure |
| JP6091390B2 (en) * | 2013-09-26 | 2017-03-08 | 株式会社河合楽器製作所 | Keyboard device for keyboard instrument |
| CN107481698B (en) * | 2016-05-27 | 2023-07-25 | 森兰信息科技（上海）有限公司 | Adaptation structure, adaptation method and piano keyboard adaptation device |
-
1990
- 1990-12-25 CN CN 90106081 patent/CN1024051C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1052963A (en) | 1991-07-10 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |