CN107187236B - A kind of automatic turning page piano spectrum frame - Google Patents

A kind of automatic turning page piano spectrum frame Download PDF

Info

Publication number
CN107187236B
CN107187236B CN201710548676.8A CN201710548676A CN107187236B CN 107187236 B CN107187236 B CN 107187236B CN 201710548676 A CN201710548676 A CN 201710548676A CN 107187236 B CN107187236 B CN 107187236B
Authority
CN
China
Prior art keywords
qin
spectrum
page
bar
qin spectrum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201710548676.8A
Other languages
Chinese (zh)
Other versions
CN107187236A (en
Inventor
颜飙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Agricultural University
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710548676.8A priority Critical patent/CN107187236B/en
Publication of CN107187236A publication Critical patent/CN107187236A/en
Application granted granted Critical
Publication of CN107187236B publication Critical patent/CN107187236B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D9/00Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
    • B42D9/04Leaf turners
    • B42D9/06Leaf turners having an arm reset after each operation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10GREPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
    • G10G7/00Other auxiliary devices or accessories, e.g. conductors' batons or separate holders for resin or strings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Auxiliary Devices For Music (AREA)

Abstract

The invention discloses a kind of automatic turning page piano spectrum framves,Plate is composed including qin,The lower end of the qin spectrum plate is provided with supporting block,Switch button is installed in the middle part of supporting block,The left and right ends of qin spectrum plate are equipped with flange fixing installation,The back side of qin spectrum plate is provided with support board,Motor is provided on the support board,PLC controller and micro air pump,The motor and micro air pump are electrically connected with PLC controller,PLC controller is electrically connected with switch button,This automatic turning page piano spectrum sets up the stent for being equipped with adjustable-angle,Can step-less adjustment qin spectrum angle of inclination,The person of playing the musical instrument is enabled to have best viewing angle,It is additionally provided with lampet,Can be qin spectrum illumination in illumination deficiency,The person of playing the musical instrument is enable to see the content of qin spectrum clearly,The flange fixing installation of setting can suppress the both ends of qin spectrum,It prevents the spectrum page returning that qin is composed and influences the smooth performance for the person of playing the musical instrument,The sucker of setting fast and stable in page turning,It is asked during the page turning for greatly reducing the person of playing the musical instrument,Practicability is high.

Description

A kind of automatic turning page piano spectrum frame
Technical field
The present invention relates to piano music stand technical fields, are specially a kind of automatic turning page piano spectrum frame.
Background technology
With the improvement of people's living standards, people are also growing to the demand of educational culture, in recent years, family for Educational culture input of the children in terms of piano is in the trend to rise appreciably.Piano music stand is a kind of important work for placing qin spectrum Tool, existing piano music stand are mainly to be made of bottom plate and the supporting plate being arranged on bottom plate, and this piano music stand makes to be placed on it Qin spectrum it is unstable, the phenomenon that spectrum page returning easily occurs, and player needs manual page turning during performance, Chang Yin is turned over It does not open to cause to play and interrupt, many inconvenience are brought to player.
Patent such as application number 201620151783.8 discloses a kind of automatic turning page piano spectrum frame, including bottom plate, Set supporting plate that riser is set at the top of plate top surface in the lower part of plate top surface, the installation bookbinding clip on the riser, It is located on the bottom plate below supporting plate and motor is set, the output shaft of motor sequentially passes through supporting plate and riser from bottom to top, and in electricity Double-crank mechanism is connected between machine output shaft and bookbinding clip, page turning is set on motor output shaft between supporting plate and motor Bar, the elongated end of the page turning bar are located above supporting plate, and set sucker in the elongated end of page turning bar, on the output shaft of motor Torsional spring is installed, is located at the start button that setting is connected with motor below supporting plate in plate top surface.
Disclosed in more than patent in the prior art, solve qin spectrum and place unstable, spectrum page returning, because turning over not open manually It causes to play the problem of interrupting, but the angle of the patent bottom plate is unadjustable, can not adjust qin spectrum in use Angle of inclination is caused the problem of inconvenient for use, also in insufficient light, is not easy to see that qin is composed.
The content of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of automatic turning page piano spectrum frame, This automatic turning page piano spectrum, which is set up, is equipped with the stent of adjustable-angle, can step-less adjustment qin spectrum angle of inclination so that bullet Qin person can have best viewing angle, be additionally provided with lampet, can be qin spectrum illumination in illumination deficiency, the person of playing the musical instrument is enable to see qin clearly The content of spectrum can be solved the problems, such as effectively in background technology.
To achieve the above object, the present invention provides following technical solution:A kind of automatic turning page piano spectrum frame, including qin Plate is composed, the lower end of the qin spectrum plate is provided with supporting block, switch button is equipped in the middle part of supporting block, and qin composes the left and right ends of plate Flange fixing installation is installed, the back side of qin spectrum plate is provided with support board, and motor, PLC controller and micro- are provided on the support board Type air pump, the motor and micro air pump are electrically connected with PLC controller, and PLC controller is electrically connected with switch button, switch button It is electrically connected with external power supply, turntable is installed on the output shaft of the motor, is set on the circular arc side of the turntable Page turning bar is equipped with, the end of page turning bar is rotatablely equipped with sucker, and the sucker is connected by the delivery outlet of hose and micro air pump, The upper end of qin spectrum plate is provided with mounting blocks, is rotated on mounting blocks and is provided with shaft, the both ends of shaft respectively with two flanging Device connects, and is provided with worm screw in the middle part of shaft, the worm screw is meshed with the gear teeth on the circular arc side for being arranged on turntable.
As a preferred technical solution of the present invention, the flange fixing installation includes flanging block, rotating bar and limits bar, institute It states and rotating bar is rotatablely equipped on the side of flanging block and limits bar, the other end of rotating bar is fixedly connected with the end of shaft, The other end for limiting bar is rotatably installed on the side of qin spectrum plate, and the rotating bar and restriction bar are mutually parallel.
As a preferred technical solution of the present invention, the cross section of the flanging block is L-shaped, rotating bar and restriction bar End is rotatably installed on the flanging block side vertical with qin spectrum plate.
As a preferred technical solution of the present invention, two edges in the middle part of the qin spectrum back are provided with swivel base, It is rotatablely equipped with stent on swivel base, the junction of swivel base and stent is provided with holding screw, and the stent takes the shape of the letter U.
As a preferred technical solution of the present invention, the quantity of the mounting blocks is two, and two mounting blocks distinguish position In the both sides of worm screw, metal hose is provided on mounting blocks, the end set of metal hose has lampet, the lampet and external electrical Source is electrically connected.
Compared with prior art, the beneficial effects of the invention are as follows:The erection of this automatic turning page piano spectrum is equipped with adjustable The stent of angle, can step-less adjustment qin spectrum angle of inclination so that the person of playing the musical instrument can have best viewing angle, be additionally provided with small Lamp can be qin spectrum illumination in illumination deficiency, the person of playing the musical instrument be enable to see the content of qin spectrum clearly, the flange fixing installation of setting can suppress qin The both ends of spectrum prevent spectrum page returning that qin is composed and influence the smooth performance for the person of playing the musical instrument, the sucker of the setting fast and stable in page turning, The page turning time for the person of playing the musical instrument is greatly reduced, practicability is high.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is back structures schematic diagram of the present invention.
In figure:1 qin spectrum plate, 2 supporting blocks, 3 switch buttons, 4 flange fixing installations, 41 flanging blocks, 42 rotating bars, 43 limit bar, 5 Swivel base, 6 stents, 7 holding screws, 8 shafts, 9 mounting blocks, 10 metal hoses, 11 lampets, 12 turntables, 13 worm screws, 14 page turnings Bar, 15 suckers, 16 support boards, 17 motors, 18PLC controllers, 19 micro air pumps.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment belongs to the scope of protection of the invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of automatic turning page piano spectrum frame is composed including qin Plate 1, two edges that qin composes in the middle part of 1 back side of plate are provided with swivel base 5, stent 6 are rotatablely equipped on swivel base 5, stent 6 is used to support Qin composes plate 1, and composing plate 1 for qin provides an angle so that the person of playing the musical instrument can have an angle of best viewing qin spectrum content, swivel base 5 with The junction of stent 6 is provided with holding screw 7, and after unscrewing holding screw 7, the angle of adjustable support 6 and qin spectrum plate 1 reaches The purpose at the angle of inclination of qin spectrum plate 1 is adjusted, stent 6 takes the shape of the letter U, and the lower end of qin spectrum plate 1 is provided with supporting block 2, and supporting block 2 is used for Qin spectrum is supported, the middle part of supporting block 2 is equipped with switch button 3, and the left and right ends of qin spectrum plate 1 are equipped with flange fixing installation 4, flanging dress 4 are put for suppressing the both ends of qin spectrum, the spectrum page returning of qin spectrum is prevented and influences the smooth performance for the person of playing the musical instrument, flange fixing installation 4 wraps It includes flanging block 41, rotating bar 42 and limits bar 43, the cross section of flanging block 41 is L-shaped, rotating bar 42 and the end for limiting bar 43 It is rotatably installed on the side vertical with qin spectrum plate 1 of flanging block 41, rotating bar 42 is rotatablely equipped on the side of flanging block 41 With restriction bar 43, the other end of rotating bar 42 is fixedly connected with the end of shaft 8, and the other end for limiting bar 43 is rotatably installed in qin On the side for composing plate 1, rotating bar 42 and restriction bar 43 are mutually parallel, and when rotating bar 42 rotates counterclockwise, pass through parallel four side The connecting rod principle of shape, 41 lifting of flanging block, convenient for page turning, after the completion of page turning, rotating bar 42 rotates clockwise, under flanging block 41 Pressure pushes down the edge of qin spectrum, and the back side of qin spectrum plate 1 is provided with support board 16, and motor 17, PLC controls are provided on support board 16 Device 18 and micro air pump 19, motor 17 and micro air pump 19 are electrically connected with PLC controller 18, and electricity is controlled by PLC controller 18 Machine 17 and micro air pump 19 are control methods commonly used in the prior art, and PLC controller 18 is electrically connected with switch button 3, switch Button 3 is electrically connected with external power supply, presses switch button 3, and motor 17 and micro air pump 19 start, and motor 17 drives turntable 12 It rotates, turntable 12 drives shaft 8 to rotate by the worm screw 13 of engagement, and shaft 8 drives rotating bar 42 to rotate, when rotating bar 42 is inverse When hour hands rotate, pass through the connecting rod principle of parallelogram, 41 lifting of flanging block, convenient for page turning, at the same time, 12 band of turntable Dynamic page turning bar 14 rotates, and micro air pump 19 discharges the air in sucker 15 at this time, and sucker 15 adsorbs qin spectrum page, by page turning bar 14 It drives, reaches page turning purpose, after the completion of page turning, micro air pump 19 is inflated into sucker 15 so that sucker 15 departs from qin spectrum page, electricity Machine 17 inverts, and page turning bar 14 returns to original position, is ready for page turning next time, and after the completion of page turning, rotating bar 42 rotates clockwise, pressure Side block 41 pushes, and pushes down the edge of qin spectrum, turntable 12, the circular arc side of turntable 12 are installed on the output shaft of motor 17 Page turning bar 14 is provided on face, the end of page turning bar 14 is rotatablely equipped with sucker 15, and sucker 15 passes through hose and micro air pump 19 Delivery outlet connection, the upper end of qin spectrum plate 1 is provided with mounting blocks 9, is rotated on mounting blocks 9 and be provided with shaft 8, the both ends of shaft 8 It is connected respectively with two flange fixing installations 4, the middle part of shaft 8 is provided with worm screw 13, worm screw 13 and the circular arc for being arranged on turntable 12 The gear teeth on side are meshed, and the quantity of mounting blocks 9 is two, and two mounting blocks 9 are located at the both sides of worm screw 13, mounting blocks respectively Metal hose 10 is provided on 9, the end set of metal hose 10 has lampet 11, and lampet 11 is electrically connected with external power supply, lampet 11 are used to for qin spectrum illumination the person of playing the musical instrument be enable to see the content of qin spectrum clearly in illumination deficiency.
When in use:Switch button 3 is pressed, motor 17 and micro air pump 19 start, and motor 17 drives turntable 12 to rotate, Turntable 12 drives shaft 8 to rotate by the worm screw 13 of engagement, and shaft 8 drives rotating bar 42 to rotate, when rotating bar 42 is counterclockwise During rotation, by the connecting rod principle of parallelogram, 41 lifting of flanging block, convenient for page turning, at the same time, the drive of turntable 12 is turned over Page bar 14 rotates, and micro air pump 19 discharges the air in sucker 15 at this time, and sucker 15 adsorbs qin spectrum page, by 14 band of page turning bar It is dynamic, reach page turning purpose, after the completion of page turning, micro air pump 19 is inflated into sucker 15 so that sucker 15 departs from qin spectrum page, motor 17 reversions, page turning bar 14 returns to original position, is ready for page turning next time, and after the completion of page turning, rotating bar 42 rotates clockwise, flanging Block 41 pushes, and pushes down the edge of qin spectrum.
This automatic turning page piano spectrum, which is set up, is equipped with the stent 6 of adjustable-angle, can step-less adjustment qin spectrum inclination angle Degree so that the person of playing the musical instrument can have best viewing angle, be additionally provided with lampet 11, can be qin spectrum illumination in illumination deficiency, make bullet Qin person can see the content of qin spectrum clearly, and the flange fixing installation 4 of setting can suppress the both ends of qin spectrum, prevent spectrum page returning that qin is composed and shadow The smooth performance for the person of playing the musical instrument is rung, the sucker 15 of the setting fast and stable in page turning greatly reduces the page turning time for the person of playing the musical instrument, real With property height.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of automatic turning page piano spectrum frame, including qin spectrum plate (1), it is characterised in that:The lower end of the qin spectrum plate (1) is set Supporting block (2) is equipped with, switch button (3) is installed in the middle part of supporting block (2), the left and right ends of qin spectrum plate (1) are equipped with flanging Device (4), the back side of qin spectrum plate (1) are provided with support board (16), and motor (17), PLC controls are provided on the support board (16) Device (18) processed and micro air pump (19), the motor (17) and micro air pump (19) are electrically connected with PLC controller (18), PLC controls Device (18) processed is electrically connected with switch button (3), and switch button (3) is electrically connected with external power supply, the output shaft of the motor (17) On be installed with turntable (12), page turning bar (14), page turning bar (14) are provided on the circular arc side of the turntable (12) End be rotatablely equipped with sucker (15), the sucker (15) is connected by hose with the delivery outlet of micro air pump (19), described The upper end of qin spectrum plate (1) is provided with mounting blocks (9), is rotated on mounting blocks (9) and is provided with shaft (8), the both ends difference of shaft (8) It is connected with two flange fixing installations (4), worm screw (13) is provided in the middle part of shaft (8), the worm screw (13) is with being arranged on turntable (12) the gear teeth on circular arc side are meshed.
2. a kind of automatic turning page piano spectrum frame according to claim 1, it is characterised in that:The flange fixing installation (4) Including flanging block (41), rotating bar (42) and bar (43) is limited, rotating bar is rotatablely equipped on the side of the flanging block (41) (42) and bar (43) is limited, the other end of rotating bar (42) is fixedly connected with the end of shaft (8), limits the other end of bar (43) It is rotatably installed on the side of qin spectrum plate (1), the rotating bar (42) and restriction bar (43) are mutually parallel.
3. a kind of automatic turning page piano spectrum frame according to claim 2, it is characterised in that:The flanging block (41) Cross section is L-shaped, and the end of rotating bar (42) and restriction bar (43) is rotatably installed on the side of flanging block (41).
4. a kind of automatic turning page piano spectrum frame according to claim 1, it is characterised in that:The qin spectrum plate (1) is carried on the back Two edges of Middle face are provided with swivel base (5), and stent (6), the company of swivel base (5) and stent (6) are rotatablely equipped on swivel base (5) The place of connecing is provided with holding screw (7), and the stent (6) takes the shape of the letter U.
5. a kind of automatic turning page piano spectrum frame according to claim 1, it is characterised in that:The mounting blocks (9) Quantity is two, and two mounting blocks (9) are located at the both sides of worm screw (13) respectively, and metal hose (10) is provided on mounting blocks (9), The end set of metal hose (10) has lampet (11), and the lampet (11) is electrically connected with external power supply.
CN201710548676.8A 2017-07-04 2017-07-04 A kind of automatic turning page piano spectrum frame Expired - Fee Related CN107187236B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710548676.8A CN107187236B (en) 2017-07-04 2017-07-04 A kind of automatic turning page piano spectrum frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710548676.8A CN107187236B (en) 2017-07-04 2017-07-04 A kind of automatic turning page piano spectrum frame

Publications (2)

Publication Number Publication Date
CN107187236A CN107187236A (en) 2017-09-22
CN107187236B true CN107187236B (en) 2018-05-29

Family

ID=59883377

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710548676.8A Expired - Fee Related CN107187236B (en) 2017-07-04 2017-07-04 A kind of automatic turning page piano spectrum frame

Country Status (1)

Country Link
CN (1) CN107187236B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108725015B (en) * 2018-04-30 2019-11-12 浙江雅迅眼镜科技有限公司 A kind of link turns over spectrum page device
CN109065007A (en) * 2018-08-27 2018-12-21 浙江乐韵钢琴有限公司 A kind of electronic music stand of piano
CN109300456A (en) * 2018-10-18 2019-02-01 湖南城市学院 A kind of piano automatic page turning device
CN113241046B (en) * 2021-04-22 2023-07-11 广州蓝深科技有限公司 Structure of electronic organ
CN113243663A (en) * 2021-05-17 2021-08-13 佳木斯大学 Music stand with automatic page turning function
CN114905879B (en) * 2022-05-11 2024-01-23 承德石油高等专科学校 Automatic translating machine for international business contracts

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6049033A (en) * 1999-06-28 2000-04-11 Dallas; W. Gordon Page turning device
CN2477372Y (en) * 2001-03-14 2002-02-20 冯丕华 Music score turnover device
FR2842458A1 (en) * 2002-07-18 2004-01-23 Pierre Dupuy Automatic page turning device for e.g. musical score, uses pedal operated micro motor to turn over pages at high or low speed
CN2832534Y (en) * 2005-11-10 2006-11-01 王卿帅 Pedal score-turning device
JP2006343547A (en) * 2005-06-09 2006-12-21 Yozo Shinozaki Attachment clip, attachment module, and combination
CN101982320A (en) * 2010-10-21 2011-03-02 厦门大学 Visual angle-adjustable book-reading auxiliary device
CN102673219A (en) * 2012-05-14 2012-09-19 上海交通大学 Automatic page turning machine
CN102975512A (en) * 2012-11-22 2013-03-20 高树伟 Simple automatic page turning device
CN103165113A (en) * 2013-01-18 2013-06-19 石军 Automatic music score turning stand
CN204808864U (en) * 2015-08-13 2015-11-25 黑河学院 Piano performance music stand
CN204977888U (en) * 2015-10-08 2016-01-20 黑龙江外国语学院 English instructor uses books page turner
CN205354641U (en) * 2016-02-29 2016-06-29 渤海大学 Automatic page piano score frame turns over
CN205428477U (en) * 2016-03-30 2016-08-03 林彩华 Music stand is used in music teaching

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6841726B2 (en) * 2003-03-26 2005-01-11 Steffen Rosen Llc Page turning arrangment
GB2432579B (en) * 2005-11-26 2009-04-15 Derby Hospitals Nhs Foundation Trust A page turner

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6049033A (en) * 1999-06-28 2000-04-11 Dallas; W. Gordon Page turning device
CN2477372Y (en) * 2001-03-14 2002-02-20 冯丕华 Music score turnover device
FR2842458A1 (en) * 2002-07-18 2004-01-23 Pierre Dupuy Automatic page turning device for e.g. musical score, uses pedal operated micro motor to turn over pages at high or low speed
JP2006343547A (en) * 2005-06-09 2006-12-21 Yozo Shinozaki Attachment clip, attachment module, and combination
CN2832534Y (en) * 2005-11-10 2006-11-01 王卿帅 Pedal score-turning device
CN101982320A (en) * 2010-10-21 2011-03-02 厦门大学 Visual angle-adjustable book-reading auxiliary device
CN102673219A (en) * 2012-05-14 2012-09-19 上海交通大学 Automatic page turning machine
CN102975512A (en) * 2012-11-22 2013-03-20 高树伟 Simple automatic page turning device
CN103165113A (en) * 2013-01-18 2013-06-19 石军 Automatic music score turning stand
CN204808864U (en) * 2015-08-13 2015-11-25 黑河学院 Piano performance music stand
CN204977888U (en) * 2015-10-08 2016-01-20 黑龙江外国语学院 English instructor uses books page turner
CN205354641U (en) * 2016-02-29 2016-06-29 渤海大学 Automatic page piano score frame turns over
CN205428477U (en) * 2016-03-30 2016-08-03 林彩华 Music stand is used in music teaching

Also Published As

Publication number Publication date
CN107187236A (en) 2017-09-22

Similar Documents

Publication Publication Date Title
CN107187236B (en) A kind of automatic turning page piano spectrum frame
CN208498061U (en) A kind of adjustable display device for education
CN106235653B (en) A kind of automatic adjustable detachable desk of height
CN210329805U (en) Drawing auxiliary assembly that indoor decoration used
CN209912487U (en) Piano music stand
CN108616631A (en) A kind of handset bracket being convenient for angular adjustment
CN209089112U (en) A kind of curved surface intelligent liquid-crystal television set
CN208615629U (en) A kind of multifunctional water colour painting easel
CN208397634U (en) A kind of meeting projector convenient for adjusting
CN206491497U (en) A kind of automatic adjustable detachable desk of height
CN215395749U (en) Jacking device for artificial board production
CN114878331A (en) Building decoration part detection equipment and detection method
CN212960713U (en) Television bracket capable of adjusting height and angle of television
CN209251980U (en) A kind of desk with drop shadow effect and convenient for adjusting
CN209229651U (en) Adjustable light sources device in a kind of attached-greenhouse
CN205912135U (en) Over -and -under type live news platform
CN216600103U (en) Light wallboard drying equipment
CN207780459U (en) A kind of micro projector with detachable bracket
CN207321380U (en) A kind of special word extractor of broadcaster for possessing angle regulating function
CN208687444U (en) A kind of middle school student's learning desk lamp
CN220600919U (en) Placement type television bracket
CN221801930U (en) Air conditioner with adjustable installation backplate
CN219389318U (en) Projector installation device for multimedia classroom
CN214312121U (en) Mouth shape correcting and adjusting device
CN220145866U (en) Building design model splicing device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200219

Address after: 266000, 1, 700 the Great Wall Road, Yang Cheng District, Qingdao, Shandong

Patentee after: Qingdao Agricultural University

Address before: 266000, 1, 700 the Great Wall Road, Yang Cheng District, Qingdao, Shandong

Patentee before: Yan Biao

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180529