CN102737625B - Digital piano - Google Patents
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- CN102737625B CN102737625B CN201110088377.3A CN201110088377A CN102737625B CN 102737625 B CN102737625 B CN 102737625B CN 201110088377 A CN201110088377 A CN 201110088377A CN 102737625 B CN102737625 B CN 102737625B
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Abstract
The invention discloses a digital piano, comprising a top plate, an aluminum alloy plate, a left ear plate, a right ear plate, a front baffle plate, a bottom plate, a back plate and a keyboard. A stave plate assembly comprises a stave plate and a stave seat. An upper cover comprises the top plate, the aluminum alloy plate, a first upper cover angle iron, a second upper cover angle iron, a forth solid wood batten, a fifth solid wood batten, a sixth solid wood batten, a seventh solid wood batten, an eighth solid wood batten and a breathable mesh. A base comprises the left ear plate, the right ear plate, left side wood, right side wood, the front baffle plate, the bottom plate, the back plate, a first solid wood batten, a second solid wood batten, a third solid wood batten, a first angle iron and a second angle iron. The digital piano provided by the invention has the advantages that in a mass production process, each procedure does not interfere with each other, and therefore production efficiency is greatly improved, production cycle is directly shortened and production cost is indirectly reduced. After-sales maintenance is also convenient, wherein the maintenance can be carried out by opening the cover and the cover is closed after the piano is fixed.
Description
Technical field
The present invention relates to the body structure of digital piano, to the present invention relates to the improved body structure of a kind of digital piano more accurately, affiliated structure comprises base, and it has for keyboard device being arranged on to the base plate near player's part (that is, in player's side part of base plate); And upper cover, it has the upper plate that covers above-mentioned base top.In addition, the present invention relates to the improved structure that a kind of external-connected port is arranged on such digital piano on base.
Background technology
At the digital piano casing producing, be front and back splicing constructions up and down at present, base plate connects left and right otic placode, front apron, then connects backboard, installs and drags lid, top cover etc., and assemble flow one procedure button one procedure, carries out in accordance with regulations step by step.Along with the continuous innovation of technology, the electric keyboard instrument function on market is become stronger day by day, and its recreational proportion will further increase, and is mainly to carry out Function Extension by external equipment at present, and external-connected port is more and more.External-connected port is mainly opened on base plate and backboard at present, and earphone interface is on base plate, and other interfaces such as MIDI, USB, storage card are on backboard.
In the assembling process of qin shell, assembler need to, by the assembling one by one in order of each part, upset and cannot carry out next step operation as order conventionally.And there is length in the cycle of every procedure, in assembling process, often occur that short period operation waits as long for the phenomenon of long period operation, inefficiency.In the maintenance process of uncapping, maintenance man has will be according to dismantling casing with the contrary operation of assembling step by step, moves loaded down with trivial detailsly, easily makes mistakes, and maintenance frequency that What is more is many affects casing serviceable life.At electric keyboard instrument, connect in external equipment operating process, people usually needs also to bend frames connecting with headphone or forwards musical instrument back to connect other ports.There is inconvenience in operation, especially to handicapped audient.
Summary of the invention
This object is to disclose a kind of digital piano.Reduced production cost, facilitated after-sales service, uncapped and just can keep in repair, fixing just can closing lid.
For achieving the above object, adopt following technical scheme:
, comprise top board (3), aluminium alloy panel (4), left otic placode (5a), auris dextra plate (5b), front apron (7), base plate (8), backboard (9), keyboard (18), it is characterized in that:
Two Φ 8*40 solid wood pins in music stand (2) insert in upper two Φ 8 through holes of backboard (9), until music stand (2) is pasted neat with backboard (9).
Spectrum plate (1) bevelling place plane and music stand (2) two left and right, the face back side, solid wood pin place align centers, spectrum plate (1) is with music stand (2) base than neat, and 4 Φ 4.5 through holes by composing plate (2) are fixed toward shooting screw in music stand.
Φ 4.5 through holes of the M4 screw of the first upper cover angle bar (20a), the second upper cover angle bar (20b) and left otic placode (5a), auris dextra plate (5b) are than neat, the 5th solid-wood (10e), the 6th solid-wood (10f), the 7th solid-wood (10g), the 8th solid-wood (10h), are fixed from the outer screw of shooting toward in than neat with 5 Φ, 4.5 through holes of backboard (9) simultaneously.
Insert in aluminium alloy panel (4) corresponding slot on limit, top board (3) breach place, top board (3) is neat with aluminium alloy panel (4) two, left and right ratio, again respectively with the first upper cover angle bar (20a), the second upper cover angle bar (20b) is connected by screw, the 4th solid-wood (10d), the 5th solid-wood (10e), the 6th solid-wood (10f), the 7th solid-wood (10g), the 8th solid-wood (10h) is evenly distributed on top board (3) bottom surface, by self threading pin, connect, the first gas-permeable nets (17a), the second gas-permeable nets (17b) gluingly enters in the deep gouge of top board (2) place, bottom surface with omnipotent respectively.
Left side wood (6a) and left otic placode (5a) mating holes position, by self threading pin, connect, right side wood (6b) and auris dextra plate (5b) mating holes position, by self threading pin, connect, base plate (8) two, left and right respectively with left otic placode (5a), auris dextra plate (5b) bottom deep gouge is than neat, with self threading pin, connect respectively, front apron (7) is transferred with self threading pin by the 9th solid-wood (10i) with base plate (8), backboard (9) passes through the first solid-wood (10a) with base plate (8), the second solid-wood (10b), the 3rd solid-wood (10c) is transferred with self threading pin, backboard (9) is transferred with self threading pin by the first angle bar (11a) with left otic placode (5a), backboard (9) is transferred with self threading pin by the second angle bar (11b) with auris dextra plate (5b).
The steel column of the screw hole of external-connected port pcb board (13) and external-connected port panel (12) matches, and is connected by screw fixing; External-connected port panel (12) mates with left otic placode (5a) deep gouge place, with self threading pin, is connected and fixed.
8 Φ 8 perforates of the M5 screw of keyboard (18) base iron plate and base plate (8) match, and be adjusted to keyboard (18) left side and left side wood (6a) gap and equate with wooden (6b) gap in keyboard (18) the right and right side, 8 Φ 8 perforates of passing respectively base plate (8) are shot M5 screw toward the M5 screw of keyboard (18) base iron plate, and cushioning plain cushion, bullet pad are connected and fixed respectively.
The first loudspeaker (14a) match with the first speaker net (19a) and bellmouth orifice position, backboard (9) left side, with screw, are connected and fixed; , the second loudspeaker (14b) and the second speaker net (19b) and bellmouth orifice position, backboard (9) the right match, with screw, be connected and fixed.
The square opening of power amplifier iron plate (15) and backboard (9) matches, and through power amplifier iron plate (15) screw hole, toward shooting self threading pin in backboard (9), is connected and fixed power amplifier iron plate (15) and backboard (9); Put the external-connected port of plate (16) and the opening of power amplifier iron plate (15) matches, the external-connected port of power board (16) is through the opening of power amplifier iron plate (15), then screws in nut and be connected and fixed power board (16) and power amplifier iron plate (15).
Compared with prior art, the utlity model has following advantage and beneficial effect:
1. in batch production process, each parts can be installed simultaneously, and each operation does not interfere with each other, and reduces production costs.
2. each parts annexation is succinct, and charge and discharge operations is easy, facilitates after-sales service.
3. adopt side external-connected port, human-machine operation is more reasonable.
4. spectrum board component can load and unload with the need, and reasonable arrangement digital piano takes up space, and operates simple and easy.
5. bleeder vent well improves digital piano simulation acoustical quality.
Accompanying drawing explanation
In order to understand better object of the present invention and other features, hereinafter in connection with accompanying drawing the preferred embodiment of the present invention will be described in detail, in the accompanying drawings:
Fig. 1 is the profile stereographic map that upper cover floor installation of the present invention is good;
Fig. 2 is digital piano left side external-connected port amplification stereogram;
Fig. 3 is base stereographic map;
Fig. 4 is upper cover stereographic map.
Wherein:
Spectrum plate (1), music stand (2), top board (3), aluminium alloy panel (4), left otic placode (5a), auris dextra plate (5b), left side wood (6a), right side wood (6b), front apron (7), base plate (8), backboard (9), the first solid-wood (10a), the second solid-wood (10b), the 3rd solid-wood (10c), the 4th solid-wood (10d), the 5th solid-wood (10e), the 6th solid-wood (10f), the 7th solid-wood (10g), the 8th solid-wood (10h), the 9th solid-wood (10i), the first angle bar (11a), the second angle bar (11b), external-connected port panel (12), external-connected port pcb board (13), the first loudspeaker (14a), the second loudspeaker (14b), power amplifier iron plate (15), power amplifier pcb board (16), the first gas-permeable nets (17a), the second gas-permeable nets (17b), keyboard (18), the first speaker net (19a), the second speaker net (19b), the first upper cover angle bar (20a), the second upper cover angle bar (20b).
Embodiment
This digital piano shell is divided into three parts as shown: spectrum board component, and it forms with music stand (2) by composing plate (1); Upper cover, it consists of with gas-permeable nets (17a, 17b) top board (3), aluminium alloy panel (4), the first upper cover angle bar (20a), the second upper cover angle bar (20b), the 4th solid-wood (10d), the 5th solid-wood (10e), the 6th solid-wood (10f), the 7th solid-wood (10g), the 8th solid-wood (10h); Base, its by left otic placode (5a), auris dextra plate (5b), left side wood (6a), right side wood (6b),, front apron (7), base plate (8), backboard (9), the first solid-wood (10a), the second solid-wood (10b), the 3rd solid-wood (10c) form with the first angle bar (11a), the second angle bar (11b).
Spectrum board component is connected with base, is specially in upper two Φ 8 through holes of two Φ 8*40 solid wood pin inserted base place backboards (9) in spectrum board component place music stand (2), until music stand (2) is pasted neat with backboard (9).Spectrum plate plug and play, extracts while not needing and just can save whole qin and take up space.
Upper cover is connected with base, be specially place, two, upper cover left and right the first upper cover angle bar (20a), the left otic placode of M4 screw and base place (5a) of the second upper cover angle bar (20b), the Φ of auris dextra plate (5b) 4.5 through holes than neat, upper cover place the 5th solid-wood (10e), the 6th solid-wood (10f), the 7th solid-wood (10g), the 8th solid-wood (10h), are fixed from the outer screw of shooting toward in than neat with 5 Φ, 4.5 through holes of base place backboard (9) simultaneously.
Spectrum board component forms with music stand (2) by composing plate (1); Wherein compose plate (1) bevelling place plane and music stand (2) two left and right, the face back side, solid wood pin place align centers, spectrum plate (1) is with music stand (2) base than neat, and 4 Φ 4.5 through holes by spectrum plate (2) are fixed toward shooting screw in music stand.
Upper cover consists of with the first gas-permeable nets (17a), the second gas-permeable nets (17b) top board (3), aluminium alloy panel (4), the first upper cover angle bar (20a), the second upper cover angle bar (20b), the 4th solid-wood (10d), the 5th solid-wood (10e), the 6th solid-wood (10f), the 7th solid-wood (10g), the 8th solid-wood (10h), insert in aluminium alloy panel (4) corresponding slot on limit, top board (3) breach place, top board (3) is neat with aluminium alloy panel (4) two, left and right ratio, again respectively with the first upper cover angle bar (20a), the second upper cover angle bar (20b) is connected by screw, the 4th solid-wood (10d), the 5th solid-wood (10e), the 6th solid-wood (10f), the 7th solid-wood (10g), the 8th solid-wood (10h) is evenly distributed on top board (3) bottom surface, self threading pin connects, the first gas-permeable nets (17a), the second gas-permeable nets (17b) gluingly enters in the deep gouge of top board (2) place, bottom surface with omnipotent respectively.
Base consists of with the first angle bar (11a), the second angle bar (11b) left otic placode (5a), auris dextra plate (5b), left side wood (6a), right side wood (6b), front apron (7), base plate (8), backboard (9), the first solid-wood (10a), the second solid-wood (10b), the 3rd solid-wood (10c), left side wood (6a) and left otic placode (5a) mating holes position, with self threading pin, connect, right side wood (6b) and auris dextra plate (5b) mating holes position, with self threading pin, connect, base plate (8) two, left and right respectively with left otic placode (5a), auris dextra plate (5b) bottom deep gouge is than neat, with self threading pin, connect respectively, front apron (7) is transferred with self threading pin by the 9th solid-wood (10i) with base plate (8), backboard (9) passes through the first solid-wood (10a) with base plate (8), the second solid-wood (10b), the 3rd solid-wood (10c) is transferred with self threading pin, backboard (9) is transferred with self threading pin by the first angle bar (11a) with left otic placode (5a), backboard (9) is transferred with self threading pin by the second angle bar (11b) with auris dextra plate (5b).
Being connected and fixed of upper cover electro-acoustic component, comprises that panel PCB fixes, volume potentiometer is fixed, power switch is fixed.The button cap that panel PCBb plate is fixedly specially on panel PCB mates with the upper middle perforate of aluminium alloy panel (4), simultaneously two edges of panel PCB are with two reinforcements of aluminium alloy panel (4) than neat, and the screw hole that passes panel PCBLiang Ge edge is fixed toward shooting self threading pin in two reinforcements of aluminium alloy panel (4).Volume potentiometer is fixedly specially volume potentiometer and mates with the upper leftmost perforate of aluminium alloy panel (4), simultaneously two edges of potentiometer PCB are with two reinforcements of aluminium alloy panel (4) than neat, and the screw hole that passes potentiometer PCBLiang Ge edge is fixed toward shooting self threading pin in two reinforcements of aluminium alloy panel (4).Power switch is fixedly specially switch and directly embeds in the upper rightmost perforate of aluminium alloy panel (4).
Being connected and fixed of base electro-acoustic component comprises fixing, power board fixing of fixing, loudspeaker of fixing, the keyboard of left side external connection end oralia.The screw hole that is fixedly specially external-connected port pcb board (13) of left side external connection end oralia and the steel column of external-connected port panel (12) match, and are connected by screw fixing; External-connected port panel (12) mates with left otic placode (5a) deep gouge place, with self threading pin, is connected and fixed.The M5 screw that is fixedly specially keyboard (18) base iron plate of keyboard and 8 Φ 8 perforates of base plate (8) match, and finely tune to keyboard (18) left side and left side wood (6a) gap and equate with wooden (6b) gap in keyboard (18) the right and right side, 8 Φ 8 perforates of passing respectively base plate (8) are shot M5 screw toward the M5 screw of keyboard (18) base iron plate, and cushioning plain cushion, bullet pad are connected and fixed respectively.First loudspeaker (14a) that are fixedly specially of loudspeaker match with the first speaker net (19a) and bellmouth orifice position, backboard (9) left side, with screw, are connected and fixed; , the second loudspeaker (14b) and the second speaker net (19b) and bellmouth orifice position, backboard (9) the right match, with screw, be connected and fixed.The square opening that is fixedly specially power amplifier iron plate (15) and backboard (9) of power board matches, and through power amplifier iron plate (15) screw hole, toward shooting self threading pin in backboard (9), is connected and fixed power amplifier iron plate (15) and backboard (9); The another external-connected port of power board (16) matches with the opening of power amplifier iron plate (15), and the external-connected port of power board (16) is through the opening of power amplifier iron plate (15), then screws in nut and be connected and fixed power board (16) and power amplifier iron plate (15).
The connection of digital piano foot pad is specially: 4 M6 adjusting bolts screw in 4 M6 tapered cup nuts of digital piano place base plate (8) from digital piano bottom respectively, and screw-in degree is finely tuned to digital piano and can on table top, be set level.
Single embodiment can carry out simultaneously above, and especially in batch production process, each operation does not interfere with each other, and has greatly improved production efficiency, has directly shortened the production cycle, has indirectly reduced production cost.After-sales service is convenient equally, uncaps and just can keep in repair, and fixing just can closing lid.
Claims (1)
1. a digital piano, comprises top board (3), aluminium alloy panel (4), left otic placode (5a), auris dextra plate (5b), front apron (7), base plate (8), backboard (9), keyboard (18), it is characterized in that:
Two Φ 8*40 solid wood pins in music stand (2) insert in upper two Φ 8 through holes of backboard (9), until music stand (2) is pasted neat with backboard (9);
Spectrum plate (1) bevelling place plane and music stand (2) two left and right, the face back side, solid wood pin place align centers, spectrum plate (1) is with music stand (2) base than neat, and 4 Φ 4.5 through holes by composing plate (1) are fixed toward shooting screw in music stand (2);
Φ 4.5 through holes of the M4 screw of the first upper cover angle bar (20a), the second upper cover angle bar (20b) and left otic placode (5a), auris dextra plate (5b) are than neat, the 5th solid-wood (10e), the 6th solid-wood (10f), the 7th solid-wood (10g), the 8th solid-wood (10h), are fixed from the outer screw of shooting toward in than neat with 5 Φ, 4.5 through holes of backboard (9) simultaneously;
Insert in aluminium alloy panel (4) corresponding slot on limit, top board (3) breach place, top board (3) is neat with aluminium alloy panel (4) two, left and right ratio, again respectively with the first upper cover angle bar (20a), the second upper cover angle bar (20b) is connected by screw, the 4th solid-wood (10d), the 5th solid-wood (10e), the 6th solid-wood (10f), the 7th solid-wood (10g), the 8th solid-wood (10h) is evenly distributed on top board (3) bottom surface, by self threading pin, connect, the first gas-permeable nets (17a), the second gas-permeable nets (17b) gluingly enters in the deep gouge of top board (3) place, bottom surface with omnipotent respectively,
Left side wood (6a) and left otic placode (5a) mating holes position, by self threading pin, connect, right side wood (6b) and auris dextra plate (5b) mating holes position, by self threading pin, connect, base plate (8) two, left and right respectively with left otic placode (5a), auris dextra plate (5b) bottom deep gouge is than neat, with self threading pin, connect respectively, front apron (7) is transferred with self threading pin by the 9th solid-wood (10i) with base plate (8), backboard (9) passes through the first solid-wood (10a) with base plate (8), the second solid-wood (10b), the 3rd solid-wood (10c) is transferred with self threading pin, backboard (9) is transferred with self threading pin by the first angle bar (11a) with left otic placode (5a), backboard (9) is transferred with self threading pin by the second angle bar (11b) with auris dextra plate (5b),
The steel column of the screw hole of external-connected port pcb board (13) and external-connected port panel (12) matches, and is connected by screw fixing; External-connected port panel (12) mates with left otic placode (5a) deep gouge place, with self threading pin, is connected and fixed;
8 Φ 8 perforates of the M5 screw of keyboard (18) base iron plate and base plate (8) match, and be adjusted to keyboard (18) left side and left side wood (6a) gap and equate with wooden (6b) gap in keyboard (18) the right and right side, 8 Φ 8 perforates of passing respectively base plate (8) are shot M5 screw toward the M5 screw of keyboard (18) base iron plate, and cushioning plain cushion, bullet pad are connected and fixed respectively;
The first loudspeaker (14a) match with the first speaker net (19a) and bellmouth orifice position, backboard (9) left side, with screw, are connected and fixed; The second loudspeaker (14b) match with the second speaker net (19b) and bellmouth orifice position, backboard (9) the right, with screw, are connected and fixed;
The square opening of power amplifier iron plate (15) and backboard (9) matches, and through power amplifier iron plate (15) screw hole, toward shooting self threading pin in backboard (9), is connected and fixed power amplifier iron plate (15) and backboard (9); The opening of the external-connected port of power amplifier pcb board (16) and power amplifier iron plate (15) matches, and the external-connected port of power amplifier pcb board (16) is through the opening of power amplifier iron plate (15), then screws in nut and be connected and fixed power amplifier pcb board (16) and power amplifier iron plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110088377.3A CN102737625B (en) | 2011-04-08 | 2011-04-08 | Digital piano |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110088377.3A CN102737625B (en) | 2011-04-08 | 2011-04-08 | Digital piano |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102737625A CN102737625A (en) | 2012-10-17 |
| CN102737625B true CN102737625B (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110088377.3A Expired - Fee Related CN102737625B (en) | 2011-04-08 | 2011-04-08 | Digital piano |
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| Country | Link |
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| CN (1) | CN102737625B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979421B (en) * | 2019-04-29 | 2024-03-15 | 李凤明 | Active electronic board two-stringed bowed instrument head |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060638Y (en) * | 2007-07-13 | 2008-05-14 | 郁强 | Folding dual-keyboard of computer digital piano |
| CN201066577Y (en) * | 2007-05-25 | 2008-05-28 | 黄俊经 | Digital piano keyboard |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3912319B2 (en) * | 2003-05-02 | 2007-05-09 | ヤマハ株式会社 | Keyboard instrument roof plate fixing structure |
| JP2007333813A (en) * | 2006-06-12 | 2007-12-27 | Sony Corp | Electronic piano apparatus, sound field synthesizing method of electronic piano and sound field synthesizing program for electronic piano |
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2011
- 2011-04-08 CN CN201110088377.3A patent/CN102737625B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201066577Y (en) * | 2007-05-25 | 2008-05-28 | 黄俊经 | Digital piano keyboard |
| CN201060638Y (en) * | 2007-07-13 | 2008-05-14 | 郁强 | Folding dual-keyboard of computer digital piano |
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| Publication number | Publication date |
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| CN102737625A (en) | 2012-10-17 |
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