CN107146595A - A kind of multi-functional fender instructional device - Google Patents
A kind of multi-functional fender instructional device Download PDFInfo
- Publication number
- CN107146595A CN107146595A CN201710458516.4A CN201710458516A CN107146595A CN 107146595 A CN107146595 A CN 107146595A CN 201710458516 A CN201710458516 A CN 201710458516A CN 107146595 A CN107146595 A CN 107146595A
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- China
- Prior art keywords
- leg
- fender
- rectangular recess
- sets
- fender body
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10G—REPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
- G10G5/00—Supports for musical instruments
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B15/00—Teaching music
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
- G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Special Chairs (AREA)
Abstract
The invention discloses a kind of multi-functional fender instructional device, including fender body, fender body upper part sets key, and fender body bottom surface sets rectangular recess, and fender body bottom portion sets bottom；Supporting mechanism is set in rectangular recess, and supporting mechanism includes being rotatably arranged on the horizontal rotating shaft of rectangular recess left and right ends, is arranged on the front leg strut of horizontal rotating shaft lower front side and is arranged on the rear support leg of horizontal rotating shaft lower rearward side；The gear for being set at the top of the gear teeth, rectangular recess and setting and being engaged with the gear teeth on motor, the output shaft of motor is set in the middle of horizontal rotating shaft outer surface, and fender body leading flank sets controlling switch to be used for the opening and closing for controlling motor.The present invention is not only simple in structure compact, and piano teacher need not additionally carry or prepare piano support and seat in advance can anywhere carry out Piano Teaching.
Description
Technical field
The present invention relates to Piano Teaching equipment technical field, more particularly, to a kind of multi-functional fender instructional device.
Background technology
Piano have the laudatory title for having " king of musical instrument ", by 88 keys（52 white keys, 36 black keys）And metallic cord soundboard
Composition, is to be invented by the close Europe Christopher profit of Italian's bar Toro in 1709.Piano range scope is from A2
（27.5Hz）To c5（4186Hz）, the whole musical sounds in Musical System are almost enumerated, are that range is most wide in addition to pipe organ
Musical instrument.Piano is commonly used to the performance such as solo, ensemble, accompaniment, and composition and rehearsal music are very convenient.Player is by pressing
Key on keyboard, affects the gavel that carpet is enclose inside piano, then taps steel wire string and sends sound.However, piano by
High in cost, maintenance difficulties are high, are difficult to bear for average family, therefore, the seventies of twentieth century six have risen fender.
Fender principle of sound is, as on-off switch, to form electrophoresis using keyboard, once pressing key, internal crystal oscillator is started working,
The waveform of pulses generation certain frequency is formed, the amplification of frequency divider is then passed through, loudspeaker sounding is sent into.
Although fender due to small volume, be easy to carry and cost is low is increasingly liked by the music public,
But piano teacher teach student when need carry fender while also to carry with fender support or
Getting out place the shelf of fender in advance conveniently professor's student's music, especially piano teacher could need to say class hour out of doors
Seat is also carried, this brings very big inconvenience to fender teacher.
Patent publication No. discloses a kind of intelligent fender of exercise for the U of CN 204834028 utility model patent,
Including fender body, the electric piano keyboard on fender body includes the digital midi interface of multiple keys, band and audio amplifier, institute
State and a circuit board is installed below electric piano keyboard, circuit board is provided with LED light, and each key centre position is provided with
Light bar hole, each LED light is all fallen within the printing opacity bar hole in each key centre position, and the root of electric piano keyboard is set
There is a digital display module bottom plate, digital display module bottom plate is provided with the number corresponding with each key on electric piano keyboard
Word display module, each digital display module is connected with circuit board, is provided with main frame in fender body, main frame respectively with
Circuit board, display screen are connected with audio amplifier.The utility model is indicated using setting digital display module and LED on key is arranged on
Lamp is pointed out to carry out key mapping and gimmick to player, can be made player's Fast Learning and be practiced on the piano, however, the practicality
It is new to have the following disadvantages：Piano teacher needs also to carry with electricity while fender is carried when student is taught
Piano support or be ready in advance place fender shelf could conveniently professor student's music the problem of, especially piano is old
Teacher needs to say that class hour will also carry seat out of doors, and this gives lessons to fender teacher and brings very big inconvenience.
Patent publication No. discloses a kind of electrical piano for teaching for CN 204791643U utility model patent.It includes prison
Main frame, teacher's piano, video monitoring platform, main frame camera, host sound, student are controlled with fender, machine for student camera, ear
Monitoring host computer is provided with machine, learning platform and sound pick up equipment, teacher's piano, monitoring host computer is imaged with video monitoring platform, main frame
Head is connected with host sound, and monitoring host computer is also connected by learning platform with student with fender, is set on student's fender
There are machine for student camera, earphone and sound pick up equipment.The utility model can facilitate teacher that multiple students are carried out with Piano Teaching, religion
Learn convenient and reliable, substantially increase efficiency of giving lessons, reduce toxigenic capacity.However, the utility model is still present in didactics
Piano teacher needs also to carry with fender support while fender is carried or is ready to put in advance when raw
The problem of teaching student's music could be facilitated by putting the shelf of fender, and especially piano teacher needs to say that class hour will also be taken out of doors
Band seat, this gives lessons to fender teacher and brings very big inconvenience.
Therefore, in the urgent need to designing a new fender instructional device, give lessons especially outdoor to solve piano teacher
The problem of carrying inconvenient when giving lessons.
The content of the invention
In view of this, the purpose of the present invention is that there is provided a kind of multi-functional fender teaching dress in view of the shortcomings of the prior art
Put, be not only simple in structure compact, and need not additionally carry or prepare piano support and seat in advance can for piano teacher
It is enough anywhere to carry out Piano Teaching.
To reach above-mentioned purpose, the present invention uses following technical scheme：
A kind of multi-functional fender instructional device, including fender body, the fender body upper part set key, the electricity
Piano body bottom surface sets rectangular recess, and rectangular recess front and rear sides side bottom offers dovetail groove along its length, institute
State fender body bottom portion and bottom is set, the bottom top sets the dovetail being engaged with the dovetail groove；
Supporting mechanism is set in the rectangular recess, and the supporting mechanism includes being rotatably arranged on the rectangular recess left and right ends
Horizontal rotating shaft, be arranged on the front leg strut of the horizontal rotating shaft lower front side and be arranged on the horizontal rotating shaft lower rearward side
Rear support leg, the front leg strut and the rear support leg are Telescopic leg；
The bottom lower surface left and right sides, which is symmetrical set in U-shaped groove, the U-shaped groove to rotate, sets U-shaped leg, described
Pin-and-hole, the U-shaped leg are opened up in bottom lower surface and the setting fixed plate by the U-shaped groove outer end, the fixed plate
It is upper to open up described by being arranged between jack, and the U-shaped leg and the fixed plate with pin-and-hole position corresponding section
Pin in pin-and-hole is fixed；
Set in the middle of the horizontal rotating shaft outer surface and motor, the motor are set at the top of the gear teeth, the rectangular recess
Output shaft on the gear that is engaged with the gear teeth is set, the fender body leading flank sets controlling switch for controlling
The opening and closing of the motor.
Further, supporting leg seat of the lower surface with deep-slotted chip breaker is set to be used to place the front leg strut at the top of the rectangular recess
Or the rear support leg, the bottom upper surface is used for briquetting of the upper surface with deep-slotted chip breaker that supporting leg seat is engaged will be described
Front leg strut or the rear support leg are pressed in the deep-slotted chip breaker on the supporting leg seat.
Further, screwed hole, the screwed hole internal thread attachment screw, and the U-shaped branch are opened up on the U-shaped leg
Fixed between pin and the U-shaped groove by the screw.
Further, the rectangular recess sets connecting rod between the front leg strut and the rear support leg of one end.
Further, the front leg strut and the rear support leg lower surface, which are respectively provided with tapped blind hole, the rectangular recess, sets
Putting the containing seat being engaged with base shape is used to accommodate the base, and the base top is set to match with the tapped blind hole
The threaded post of conjunction is used to be arranged on the base is detachable in the tapped blind hole.
Further, the fender body left and right ends face, which is respectively provided with link, the link, sets brace.
Further, the fender body upper part and the rotation setting keyboard cover above the key.
The beneficial effects of the invention are as follows：
The present invention is directed in current fender teaching process, and piano teacher needs to carry with or get out piano branch in advance
Frame and seat could carry out the problem of piano is given lessons there is provided a kind of multi-functional fender instructional device, including fender body,
Fender body upper part is provided with key, and rectangular recess is set in fender body bottom surface, and on rectangular recess front and rear sides side
Bottom offers dovetail groove along its length, and bottom is set in fender body bottom portion, is set and dovetail groove phase on bottom top
The dovetail of cooperation, the dismounting of so very convenient bottom and fender body.Meanwhile, for the ease of when giving lessons by fender
Set up, supporting mechanism is provided with rectangular recess, and supporting mechanism includes being rotatably arranged on rectangular recess left and right ends
Horizontal rotating shaft, is arranged on the front leg strut of horizontal rotating shaft lower front side and is arranged on the rear support leg of horizontal rotating shaft lower rearward side, this
Sample, only needs first to disassemble bottom when needed, then produces front leg strut and rear support leg out of rectangular recess, and
For the ease of the height of adjustment front leg strut and rear support leg, front leg strut and rear support leg use Telescopic leg.In addition, in order to just
When giving lessons piano teacher can sit down progress fender give lessons, be symmetrical set in the bottom lower surface left and right sides U-shaped
Groove, rotates in U-shaped groove and sets U-shaped leg, bottom lower surface and set by U-shaped groove outer end fixed plate so as to
Avoid U-shaped leg from being freely turned out after putting down and then lose the support function of U-shaped leg；Simultaneously in order to U-shaped by what is put down
Leg is fixed in fixed plate to avoid supporting phenomenon unstable during fender body, pin-and-hole is opened up in fixed plate, U-shaped
The pin between jack, and U-shaped leg and fixed plate by being arranged in pin-and-hole is opened up with pin-and-hole position corresponding section on leg
It is fixed.In addition, in order to realize automatically falling off and packing up for front leg strut and rear support leg, wheel is set in the middle of horizontal rotating shaft outer surface
Tooth, sets motor at the top of rectangular recess, and the gear being engaged with the gear teeth is set on the output shaft of motor, and
Controlling switch is set to be used for the opening and closing for controlling motor in fender body leading flank.The present invention be not only simple in structure it is compact,
And piano teacher need not additionally be carried or anywhere preparation piano support and seat can carry out piano in advance
Teaching.
Brief description of the drawings
Fig. 1 is the structure schematic front view of the first embodiment of the invention；
Fig. 2 is the structure left view schematic diagram of the first embodiment of the invention；
Fig. 3 is the structure schematic top plan view of the first embodiment of the invention；
Fig. 4 be in Fig. 1 A-A to structural representation；
Fig. 5 is the structure schematic front view of second of embodiment of the invention；
Fig. 6 is the structure left view schematic diagram of second of embodiment of the invention；
Fig. 7 is the structure schematic top plan view of second of embodiment of the invention；
Fig. 8 is B-B direction structural representation in Fig. 5；
Fig. 9 is the structure schematic front view of the third embodiment of the invention；
Figure 10 is the structure schematic top plan view of the third embodiment of the invention；
Figure 11 be in Fig. 9 C-C to structural representation；
Figure 12 is the structure schematic front view of the 4th kind of embodiment of the invention；
Figure 13 is the structure schematic front view of the 5th kind of embodiment of the invention；
Figure 14 is the structure left view schematic diagram of the 5th kind of embodiment of the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme to the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments.Based on described embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained, belongs to the scope of protection of the invention.
Embodiment 1：
As shown in Figures 1 to 4, a kind of multi-functional fender instructional device, including fender body 1, the top of fender body 1
Key 2 is set, and the bottom surface of fender body 1 sets rectangular recess 3, the front and rear sides side bottom of rectangular recess 3 is along length
Direction offers dovetail groove 4, and the bottom of fender body 1 sets bottom 5, and the top of bottom 5 is set and the dovetail groove 4
The dovetail 6 being engaged.
Supporting mechanism is set in the rectangular recess 3, and the supporting mechanism includes being rotatably arranged on the left side of rectangular recess 3
The horizontal rotating shaft 7 at right two ends, is arranged on the front leg strut 8 of the lower front side of horizontal rotating shaft 7 and is arranged on the horizontal rotating shaft 7
The rear support leg 9 of lower rearward side, the front leg strut 8 and the rear support leg 9 are Telescopic leg.
The lower surface left and right sides of bottom 5, which is symmetrical set in U-shaped groove 10, the U-shaped groove 10 to rotate, sets U-shaped
Opened in leg 11, the lower surface of bottom 5 and the setting fixed plate 12 by the U-shaped outer end of groove 10, the fixed plate 12
If pin-and-hole 13, jack 14, and the He of U-shaped leg 11 are opened up with the position corresponding section of pin-and-hole 13 on the U-shaped leg 11
Fixed between the fixed plate 12 by the pin 15 being arranged in the pin-and-hole 13.
The gear teeth 16 are set in the middle of the outer surface of horizontal rotating shaft 7, and the top of rectangular recess 3 sets motor 17, institute
The gear 18 that setting is engaged with the gear teeth 16 on the output shaft of motor 17 is stated, the leading flank of fender body 1 is set
Put the opening and closing that controlling switch 19 is used to control the motor 17.
In the embodiment, fender body upper part is provided with key, rectangular recess is set in fender body bottom surface, and
Dovetail groove is offered along its length in rectangular recess front and rear sides side bottom, bottom is set in fender body bottom portion, the bottom of at
Cover portion and the dovetail being engaged with dovetail groove, the dismounting of so very convenient bottom and fender body are set.
Meanwhile, for the ease of fender is set up when giving lessons, supporting mechanism, and support are provided with rectangular recess
Mechanism includes being rotatably arranged on the horizontal rotating shafts of rectangular recess left and right ends, be arranged on the front leg strut of horizontal rotating shaft lower front side with
And the rear support leg of horizontal rotating shaft lower rearward side is arranged on, so, only need first to disassemble bottom when needed, then by preceding branch
Leg and rear support leg are produced out of rectangular recess, and for the ease of adjustment front leg strut and rear support leg height, front leg strut and
Rear support leg uses Telescopic leg.
In addition, for the ease of when giving lessons the piano teacher progress fender that can sit down give lessons, it is left in bottom lower surface
Right both sides are symmetrical set U-shaped groove, are rotated in U-shaped groove and set U-shaped leg, in bottom lower surface and positioned at U-shaped groove
Fixed plate is set to avoid U-shaped leg from being freely turned out after putting down and then lose the support function of U-shaped leg by outer end；
Simultaneously in order to which the U-shaped leg put down is fixed on to avoid supporting phenomenon unstable during fender body in fixed plate, solid
Pin-and-hole is opened up in fixed board, opens up and leads between jack, and U-shaped leg and fixed plate with pin-and-hole position corresponding section on U-shaped leg
The pin being arranged in pin-and-hole is crossed to fix.
In addition, in order to realize automatically falling off and packing up for front leg strut and rear support leg, being set in the middle of horizontal rotating shaft outer surface
The gear teeth, set motor, and the gear that setting is engaged with the gear teeth on the output shaft of motor at the top of rectangular recess,
And set controlling switch to be used for the opening and closing for controlling motor in fender body leading flank.The present invention is not only simple in structure tightly
Gather, and piano teacher need not additionally be carried or anywhere preparation piano support and seat can carry out steel in advance
Qin is imparted knowledge to students.
Embodiment 2：
As shown in Fig. 5 to 8, a kind of multi-functional fender instructional device, including fender body 1, the top of fender body 1
Key 2 is set, and the bottom surface of fender body 1 sets rectangular recess 3, the front and rear sides side bottom of rectangular recess 3 is along length
Direction offers dovetail groove 4, and the bottom of fender body 1 sets bottom 5, and the top of bottom 5 is set and the dovetail groove 4
The dovetail 6 being engaged.
Supporting mechanism is set in the rectangular recess 3, and the supporting mechanism includes being rotatably arranged on the left side of rectangular recess 3
The horizontal rotating shaft 7 at right two ends, is arranged on the front leg strut 8 of the lower front side of horizontal rotating shaft 7 and is arranged on the horizontal rotating shaft 7
The rear support leg 9 of lower rearward side, the front leg strut 8 and the rear support leg 9 are Telescopic leg.
The lower surface left and right sides of bottom 5, which is symmetrical set in U-shaped groove 10, the U-shaped groove 10 to rotate, sets U-shaped
Opened in leg 11, the lower surface of bottom 5 and the setting fixed plate 12 by the U-shaped outer end of groove 10, the fixed plate 12
If pin-and-hole 13, jack 14, and the He of U-shaped leg 11 are opened up with the position corresponding section of pin-and-hole 13 on the U-shaped leg 11
Fixed between the fixed plate 12 by the pin 15 being arranged in the pin-and-hole 13.
The gear teeth 16 are set in the middle of the outer surface of horizontal rotating shaft 7, and the top of rectangular recess 3 sets motor 17, institute
The gear 18 that setting is engaged with the gear teeth 16 on the output shaft of motor 17 is stated, the leading flank of fender body 1 is set
Put the opening and closing that controlling switch 19 is used to control the motor 17.
The top of rectangular recess 3 sets supporting leg seat 20 of the lower surface with deep-slotted chip breaker to be used to place the front leg strut 8 or institute
Rear support leg 9 is stated, briquetting 21 of the upper surface with deep-slotted chip breaker that the upper surface of bottom 5 is engaged with supporting leg seat 20 is used for institute
State front leg strut 8 or the rear support leg 9 is pressed in the deep-slotted chip breaker on the supporting leg seat 20.
In the embodiment, to avoid front leg strut and rear support leg from being rocked in transport carrying process in rectangular recess, in square
Supporting leg seat of the lower surface with deep-slotted chip breaker is set to be used to place front leg strut or rear support leg at the top of connected in star, and in bottom upper surface and branch
Briquetting of the upper surface with deep-slotted chip breaker that leg seat is engaged is used to front leg strut or rear support leg being pressed in the deep-slotted chip breaker on supporting leg seat.
Embodiment 3：
As shown in figs. 9-11, it is with the difference of embodiment 2：
Screwed hole, the screwed hole internal thread attachment screw 22, and the U-shaped leg 11 and institute are opened up on the U-shaped leg 11
State and fixed by the screw 22 between U-shaped groove 10.
The rectangular recess 3 is with setting connecting rod 23 between the front leg strut 8 and the rear support leg 9 of one end.
In the embodiment, in order to be easy to the fixation of U-shaped leg under non-working condition, screw thread is offered on U-shaped leg
Hole, in screwed hole internal thread attachment screw, so U-shaped leg can be fixed by screws in U-shaped groove.In addition, in order to increase
Plus the rigidity of front leg strut and rear support leg, it is to avoid deformation, the company of being provided between front leg strut and rear support leg of the rectangular recess with one end
Bar.
Embodiment 4：
As shown in figure 12, it is with the difference of embodiment 3：Front leg strut 8 and the rear support leg 9 lower surface is respectively provided with screw thread
The containing seat 26 being engaged with the shape of base 25 is set to be used to accommodate the base 25 in blind hole 24, the rectangular recess 3, it is described
The top of base 25 sets the threaded post 27 that is engaged with the tapped blind hole 24 for being arranged on the base 25 is detachable
In the tapped blind hole 24.
In the embodiment, in order that front leg strut and rear support leg when falling support fender body more it is steady firmly,
Tapped blind hole is respectively provided with front leg strut and rear support leg lower surface, the containing seat being engaged with base shape is set in rectangular recess
For accommodating base, and the threaded post being engaged with tapped blind hole is set on base top for being arranged on base is detachable
In tapped blind hole.
Embodiment 5：
As shown in Figure 13 and Figure 14, it is with the difference of embodiment 3：The left and right ends face of fender body 1 is respectively provided with extension
Brace 29 is set in ring 28, the link 28.
The top of fender body 1 and the rotation setting keyboard cover 30 above the key 2.
In the embodiment, for the ease of carrying, link is provided with fender body left and right ends face, and in link
It is provided with brace.In addition, in order to avoid damaging key under non-working condition and avoiding on dust falls, on fender body
Portion and rotate above the key and be provided with keyboard cover.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover among scope of the presently claimed invention.
Claims (7)
1. a kind of multi-functional fender instructional device, including fender body, the fender body upper part set key, it is special
Levy and be：The fender body bottom surface sets rectangular recess, and rectangular recess front and rear sides side bottom is opened along its length
Provided with dovetail groove, the fender body bottom portion sets bottom, and the bottom top sets the swallow being engaged with the dovetail groove
Tail tenon；
Supporting mechanism is set in the rectangular recess, and the supporting mechanism includes being rotatably arranged on the rectangular recess left and right ends
Horizontal rotating shaft, be arranged on the front leg strut of the horizontal rotating shaft lower front side and be arranged on the horizontal rotating shaft lower rearward side
Rear support leg, the front leg strut and the rear support leg are Telescopic leg；
The bottom lower surface left and right sides, which is symmetrical set in U-shaped groove, the U-shaped groove to rotate, sets U-shaped leg, described
Pin-and-hole, the U-shaped leg are opened up in bottom lower surface and the setting fixed plate by the U-shaped groove outer end, the fixed plate
It is upper to open up described by being arranged between jack, and the U-shaped leg and the fixed plate with pin-and-hole position corresponding section
Pin in pin-and-hole is fixed；
Set in the middle of the horizontal rotating shaft outer surface and motor, the motor are set at the top of the gear teeth, the rectangular recess
Output shaft on the gear that is engaged with the gear teeth is set, the fender body leading flank sets controlling switch for controlling
The opening and closing of the motor.
2. a kind of multi-functional fender instructional device according to claim 1, it is characterised in that：At the top of the rectangular recess
Set supporting leg seat of the lower surface with deep-slotted chip breaker to be used to place the front leg strut or the rear support leg, the bottom upper surface with it is described
Briquetting of the upper surface with deep-slotted chip breaker that supporting leg seat is engaged is used to the front leg strut or the rear support leg being pressed on the supporting leg
In deep-slotted chip breaker on seat.
3. a kind of multi-functional fender instructional device according to claim 1, it is characterised in that：Opened on the U-shaped leg
If screwed hole, the screw is passed through between the screwed hole internal thread attachment screw, and the U-shaped leg and the U-shaped groove
It is fixed.
4. a kind of multi-functional fender instructional device according to claim 1, it is characterised in that：The rectangular recess is same
Connecting rod is set between the front leg strut and the rear support leg at end.
5. a kind of multi-functional fender instructional device according to claim 1, it is characterised in that：The front leg strut and described
Rear support leg lower surface, which is respectively provided with, sets the containing seat being engaged with base shape to be used to accommodate in tapped blind hole, the rectangular recess
The base, the base top sets the threaded post being engaged with the tapped blind hole for setting the base is detachable
Put in the tapped blind hole.
6. a kind of multi-functional fender instructional device according to claim 1, it is characterised in that：The fender body is left
Right both ends of the surface, which are respectively provided with link, the link, sets brace.
7. a kind of multi-functional fender instructional device according to claim 1, it is characterised in that：On the fender body
Portion and the rotation setting keyboard cover above the key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458516.4A CN107146595B (en) | 2017-06-16 | 2017-06-16 | Multifunctional electric piano teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458516.4A CN107146595B (en) | 2017-06-16 | 2017-06-16 | Multifunctional electric piano teaching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107146595A true CN107146595A (en) | 2017-09-08 |
| CN107146595B CN107146595B (en) | 2020-08-11 |
Family
ID=59781388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710458516.4A Expired - Fee Related CN107146595B (en) | 2017-06-16 | 2017-06-16 | Multifunctional electric piano teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107146595B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166399A (en) * | 2018-10-09 | 2019-01-08 | 湖南城市学院 | A kind of intelligence Piano Teaching system |
| CN110425438A (en) * | 2019-07-09 | 2019-11-08 | 安徽世林照明股份有限公司 | A kind of Portable rotatable LED light frame |
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| US20080276788A1 (en) * | 2007-05-08 | 2008-11-13 | Yamaha Corporation | Electronic musical instrument |
| CN201393768Y (en) * | 2009-03-31 | 2010-02-03 | 杭州嘉德威钢琴有限公司 | Music stool |
| CN204480653U (en) * | 2015-04-10 | 2015-07-15 | 上海堤旁树商贸有限公司 | A kind of Portable guitar case |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166399A (en) * | 2018-10-09 | 2019-01-08 | 湖南城市学院 | A kind of intelligence Piano Teaching system |
| CN110425438A (en) * | 2019-07-09 | 2019-11-08 | 安徽世林照明股份有限公司 | A kind of Portable rotatable LED light frame |
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| CN107146595B (en) | 2020-08-11 |
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