CN112021780A

CN112021780A - Formula music stand is used in music teaching to multi-angle regulation formula

Info

Publication number: CN112021780A
Application number: CN202010938367.3A
Authority: CN
Inventors: 朱莹
Original assignee: Zibo Vocational Institute
Current assignee: Zibo Vocational Institute
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2020-12-04

Abstract

The invention discloses a multi-angle adjustable music stand for music teaching, which relates to the technical field of music instruments and comprises a fixing frame, wherein a first bearing is clamped on the right side wall of the fixing frame, a first rotating shaft is sleeved in the first bearing, and a first bevel gear and a rotating disk are fixedly connected to the left end and the right end of the first rotating shaft respectively. This music stand is used in music teaching of multi-angle regulation formula, it makes screw thread section of thick bamboo one and screw thread section of thick bamboo two keep away from each other to rotate through screw rod one and screw rod two, screw thread section of thick bamboo one drives the decline of articulated seat two at the in-process that falls, articulated seat two is through round pin axle two at the in-process that falls, the connecting rod, the cooperation of round pin axle three and articulated seat three, promote the removal of connecting plate and supporting legs, and then expand the supporting legs and support fixed frame, screw thread section of thick bamboo two drives the rising of L type layer board when rising simultaneously, thereby make the device rotate a rotatory handle and can make the supporting legs expand, can adjust the height of screw thread section of thick bamboo two and L type layer board, and is simple in.

Description

Formula music stand is used in music teaching to multi-angle regulation formula

Technical Field

The invention relates to the technical field of musical instruments, in particular to a multi-angle adjustable music stand for music teaching.

Background

Music is an art reflecting human real life emotion, a music stand is needed in music teaching, the music stand is an auxiliary appliance for placing a music score for a player, and the player performs music according to the music score placed on the music stand.

Present music stand simple structure, it is convenient inadequately to use, need the mr earlier with supporting legs expansion and fixed back when using, just can rotate the screw rod and adjust a screw thread section of thick bamboo and L type layer board (the layer board of placing the music book) height, accommodation process is loaded down with trivial details, then bring inconvenience for mr's use, and the inclination that current music stand can not adjust L type layer board according to the user demand in the use, thereby can not satisfy user's user demand.

Therefore, the shortcomings of the existing music stand are improved correspondingly.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a multi-angle adjustable music stand for music teaching, which solves the problems that the conventional music stand is simple in structure and inconvenient to use, a teacher needs to unfold and fix supporting legs before the conventional music stand is used, the screw can be rotated to adjust the heights of a threaded cylinder and an L-shaped supporting plate (a supporting plate for placing music scores), the adjusting process is complicated, and the conventional music stand cannot adjust the inclination angle of the L-shaped supporting plate according to the use requirement.

(II) technical scheme

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a music stand for multi-angle adjustment type music teaching comprises a fixing frame, wherein a first bearing is clamped on the right side wall of the fixing frame, a first rotating shaft is sleeved in the first bearing, a first bevel gear and a rotating disk are fixedly connected to the left end and the right end of the first rotating shaft respectively, the first bevel gear is meshed with two bevel gears respectively, a first screw rod and a second screw rod are sleeved in the two bevel gears respectively, a second bearing is sleeved at the optical shaft ends of the first screw rod and the second screw rod, the two bearings are clamped at the top and the bottom of the fixing frame respectively, the first screw rod and the second screw rod are in threaded connection with a first threaded barrel and a second threaded barrel respectively, a second hinge seat is fixedly connected to the lower left side and the right side of the first threaded barrel, the second hinge seat is hinged to one end of a connecting rod through a second pin shaft, the other end of the connecting rod is hinged to a, the hinge base III is fixedly connected with the connecting plate, the front surface and the back surface of the connecting plate are fixedly connected with supporting legs, the top ends of the supporting legs are hinged with the hinge base I through a pin shaft I, the hinge base I is fixedly connected with the bottom of the fixed frame, the top of the threaded cylinder II is fixedly connected with a U-shaped plate, the left side wall and the right side wall of the U-shaped plate are respectively clamped with a bearing III, the two bearing III are sleeved with a same rotating shaft II, the inclined position of the right side wall of the U-shaped plate is clamped with a sliding sleeve I, the sliding sleeve I is internally and slidably connected with a clamping rod, the right end of the clamping rod is fixedly connected with a pull plate, the left end of the clamping rod is clamped in a clamping groove formed in the circular plate, the circular plate is sleeved on the rotating shaft II, the clamping rod is sleeved with a spring I, the two ends of the spring I are respectively and fixedly connected with, the front of the supporting block is fixedly connected with an L-shaped supporting plate, two T-shaped rods are fixedly connected to the position, on the upper side of the front of the L-shaped supporting plate, two sliding sleeves are connected to the two T-shaped rods in a sliding mode, the two sliding sleeves are connected to the clamping plates in a clamping mode, springs are sleeved on the T-shaped rods, and the two ends of the springs are fixedly connected with the T-shaped rods and the clamping plates respectively.

Preferably, the edge of the right side surface of the rotating disc is fixedly connected with a rotating handle, and the left side surface of the fixing frame is fixedly connected with a handrail.

Preferably, the fixed frame top is fixedly connected with the telescopic link in the position to the left, the top fixedly connected with fixed block of telescopic link, the right side fixedly connected with screw thread section of thick bamboo two of fixed block.

Preferably, a plurality of clamping grooves are formed in the circular plate in an encircling mode, and the screw pitch of the second screw is larger than that of the first screw.

Preferably, the front surface of the clamping plate is fixedly connected with a handle, and the lower position of the rear side surface of the clamping plate is fixedly connected with a friction pad.

(III) advantageous effects

The invention has the beneficial effects that:

1. this music stand is used in teaching of multi-angle modulation formula music, drive the rotary disk through rotating rotatory handle, the rotation of pivot one and bevel gear one, bevel gear one meshes two bevel gear two of transmission, then make screw rod one and screw rod two rotate, screw rod one and screw rod two rotate and make screw cylinder one and screw cylinder two keep away from each other, screw cylinder one drives the decline of articulated seat two at the in-process that descends, articulated seat two is through round pin axle two in the in-process that descends, the connecting rod, the cooperation of round pin axle three and articulated seat three, promote the removal of connecting plate and supporting legs, and then support fixed frame with supporting legs expansion, screw cylinder two drives the rising of L type layer board when rising simultaneously, thereby make the device rotate a rotatory handle and can make the supporting legs expand, can adjust the height of screw cylinder two and L type layer board, the operation is simple, it is extremely convenient to use.

2. This formula music stand is used in music teaching of multi-angle regulation makes the kelly no longer the joint in the draw-in groove through pulling the arm-tie right, no longer restricts second countershaft then, makes second, supporting shoe and L type layer board can rotate, and then can adjust the inclination of L type layer board to be convenient for mr watches the music book on the L type layer board, in order to satisfy mr's user demand.

3. This formula music stand is used in music teaching of multi-angle regulation formula, through handle pulling splint, make splint move forward, then the mr can place the music book in the front of L type layer board, support the bottom of music book through L type layer board, through not hard up handle, rely on the elasticity of two springs two to make splint and friction pad remove backward, then make the friction pad contact with the top of music book, carry out the centre gripping on the top of music book, in order to guarantee that the music book has stability in the use, can not the landing.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic diagram of the right-view structure of the present invention;

FIG. 3 is a schematic perspective view of an L-shaped pallet of the present invention;

FIG. 4 is a perspective view of a circular plate according to the present invention.

In the figure: the device comprises a fixed frame 1, a first rotating shaft 2, a first bevel gear 3, a second bevel gear 4, a first screw 5, a second screw 6, a second threaded barrel 7, a first threaded barrel 8, a fixed block 9, a telescopic rod 10, a first hinged seat 11, a supporting leg 12, a second hinged seat 13, a connecting rod 14, a third hinged seat 15, a connecting plate 16, a U-shaped plate 17, a second rotating shaft 18, a supporting block 19, a circular plate 20, a first sliding sleeve 21, a clamping rod 22, a pulling plate 23, a first spring 24, a rotating disc 25, a rotating handle 26, a handrail 27, a L-shaped supporting plate 28, a handle 29, a T-shaped rod 30, a second spring 31, a clamping plate 32, a second sliding sleeve 33, a friction.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: a multi-angle adjustable music stand for music teaching comprises a fixed frame 1, a first bearing is clamped on the right side wall of the fixed frame 1, a first rotating shaft 2 is sleeved in the first bearing, a first bevel gear 3 and a rotating disk 25 are fixedly connected to the left end and the right end of the first rotating shaft 2 respectively, the first bevel gear 3 is meshed with two second bevel gears 4 respectively, the rotating disk 25 is driven by rotating a rotating handle 26, the first rotating shaft 2 and the first bevel gear 3 rotate, the first bevel gear 3 is meshed with the two second bevel gears 4 to transmit power, so that the first screw 5 and the second screw 6 can rotate, the first screw 5 and the second screw 6 are sleeved in the two second bevel gears 4 respectively, the second bearing is sleeved at the optical shaft ends of the first screw 5 and the second screw 6 respectively, the two bearings are clamped at the top and the bottom of the fixed frame 1 respectively, the first screw 5 and the second screw 6 are in threaded connection with a first threaded cylinder 8 and a second threaded, screw rod 5 and screw rod two 6 rotate and make a screw thread section of thick bamboo 8 and a screw thread section of thick bamboo 7 keep away from each other or be close to each other, and equal fixedly connected with hinges two 13 on 8 left sides of a screw thread section of thick bamboo and the lower position on the right side, and hinge two 13 and the one end of connecting rod 14 through round pin axle two and hinge mutually, and the other end of connecting rod 14 is articulated mutually with hinge three 15 seats through round pin axle three, hinge three 15 and the 16 fixed connection of connecting plate, and its effect lies in: the screw thread cylinder I8 drives the hinge seat II 13 to descend in the descending process, the hinge seat II 13 pushes the connecting plate 16 and the supporting legs 12 to move through the matching of the pin shaft II, the connecting rod 14, the pin shaft III and the hinge seat III 15 in the descending process, the supporting legs 12 are unfolded to support the fixed frame 1, the supporting legs 12 are fixedly connected to the front face and the back face of the connecting plate 16, the top ends of the supporting legs 12 are hinged to the hinge seat I11 through the pin shaft I, the hinge seat I11 is fixedly connected to the bottom of the fixed frame 1, the supporting legs 12 are supported and fixed through the hinge seat I11 and the pin shaft I on one hand, the supporting legs 12 can rotate at a certain angle on the other hand, the top of the screw thread cylinder II 7 is fixedly connected with a U-shaped plate 17, the left side wall and the right side wall of the U-shaped plate 17 are respectively clamped with a bearing III, the same rotating shaft II 18 is sleeved in the two bearings III, a sliding, the clamping rod 22 is connected in the sliding sleeve 21 in a sliding manner, the right end of the clamping rod 22 is fixedly connected with the pulling plate 23, the clamping rod 22 is not clamped in the clamping groove 35 any more by pulling the pulling plate 23 rightwards, and then the second rotating shaft 18 is not limited, so that the second rotating shaft 18, the supporting block 19 and the L-shaped supporting plate 28 can rotate, and further the inclination angle of the L-shaped supporting plate 28 can be adjusted, so that a teacher can watch music scores on the L-shaped supporting plate 28 to meet the use requirements of the teacher, the left end of the clamping rod 22 is clamped in the clamping groove 35 formed in the circular plate 20, the circular plate 20 is sleeved on the second rotating shaft 18, the first spring 24 is sleeved on the clamping rod 22, two ends of the first spring 24 are fixedly connected with the U-shaped plate 17 and the pulling plate 23 respectively, the pulling force of the first spring 24 is relied on, the pulling plate 20 and the clamping rod 22 move leftwards, so that the clamping rod 22 is clamped in the corresponding clamping groove, fix the inclination of L type layer board 28, the front fixedly connected with supporting shoe 19 of the second 18 of pivot, the front fixedly connected with L type layer board 28 of supporting shoe 19, two T type poles 30 of fixedly connected with on the position of the second front of L type layer board 28 on the upper side, and equal sliding connection has two sliding sleeves 33 on two T type poles 30, and two equal joint of two sliding sleeves 33 are in splint 32, spring two 31 has been cup jointed on the T type pole 30, the both ends of spring two 31 respectively with T type pole 30 and splint 32 fixed connection, make splint 32 and friction pad 34 backward movement through the elasticity that relies on two spring two 31, then make friction pad 34 contact with the top of music book, carry out the centre gripping to the top of music book, in order to guarantee that the music book has stability in the use, can not the landing.

Rotatory handle 26 of right flank edge fixedly connected with of rotary disk 25, left surface fixedly connected with handrail 27 of fixed frame 1, fixedly connected with telescopic link 10 on the position of fixed frame 1 top on the left side, the top fixedly connected with fixed block 9 of telescopic link 10, the right side fixedly connected with screw thread section of thick bamboo two 7 of fixed block 9, the interior ring-open of plectane 20 is equipped with a plurality of draw-in grooves 35, the pitch of screw rod two 6 is greater than screw rod one 5's pitch, the positive fixedly connected with handle 29 of splint 32, through handle 29 pulling splint 32, make splint 32 remove forward, then the mr can place the music book in the front of L type layer board 28, support the bottom of music book through L type layer board 28, fixedly connected with friction pad 34 on the position of splint 32 trailing flank below.

The method comprises the following operation steps:

s1, when the device needs to be used, firstly, the device is placed at a designated position, then one hand grasps the armrest 27, the other hand positively rotates the rotating handle 26, then the rotating disc 25, the rotating shaft I2 and the bevel gear I3 rotate, the bevel gear I3 is meshed with and drives the two bevel gears II 4, then the screw rod I5 and the screw rod II 6 rotate, the screw rod I5 and the screw rod II 6 rotate to enable the screw thread cylinder I8 and the screw thread cylinder II 7 to be away from each other, the screw thread cylinder I8 drives the hinge base II 13 to descend in the descending process, the hinge base II 13 pushes the connecting plate 16 and the supporting legs 12 to move through the matching of the pin shaft II, the connecting rod 14, the pin shaft III and the hinge base III 15 in the descending process, the supporting legs 12 are unfolded to support the fixing frame 1, and meanwhile, the screw thread cylinder II 7 drives the L-shaped supporting plate 28 to ascend in the ascending process of;

s2, pulling the clamping plate 32 through the handle 29 to move the clamping plate 32 forwards, enabling a teacher to place a music score on the front of the L-shaped supporting plate 28, supporting the bottom end of the music score through the L-shaped supporting plate 28, loosening the handle 29, enabling the clamping plate 32 and the friction pad 34 to move backwards by means of the elastic force of the two springs II 31, enabling the friction pad 34 to be in contact with the top end of the music score to clamp the top end of the music score, enabling the clamping rod 22 to be no longer clamped in the clamping groove 35 by pulling the pull plate 23 rightwards, then not limiting the rotating shaft II 18, enabling the rotating shaft II 18, the supporting block 19 and the L-shaped supporting plate 28 to rotate, further adjusting the inclination angle of the L-shaped supporting plate 28 to enable the teacher to view the music score on the L-shaped supporting plate 28, loosening the pull plate 23 after the angle is adjusted properly, enabling the pull plate 20 and the clamping rod 22 to move leftwards by means of the tensile, then the clamping rod 22 is clamped in the corresponding clamping groove 35, and then the circular plate 20 and the second rotating shaft 18 are limited, so that the inclination angle of the L-shaped supporting plate 28 is fixed.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a formula music stand is used in music teaching of multi-angle modulation, includes fixed frame (1), its characterized in that: the right side wall of the fixed frame (1) is connected with a first bearing in a clamping manner, a first rotating shaft (2) is sleeved in the first bearing, the left end and the right end of the first rotating shaft (2) are respectively and fixedly connected with a first bevel gear (3) and a rotating disk (25), the first bevel gear (3) is respectively meshed with two second bevel gears (4), a first screw rod (5) and a second screw rod (6) are respectively sleeved in the two second bevel gears (4), the optical axis ends of the first screw rod (5) and the second screw rod (6) are respectively sleeved with a second bearing, the two bearings are respectively clamped at the top and the bottom of the fixed frame (1), the first screw rod (5) and the second screw rod (6) are respectively in threaded connection with a first threaded cylinder (8) and a second threaded cylinder (7), hinged bases (13) are respectively and fixedly connected at positions below the left side and the right side of the first threaded cylinder (8), and the second hinged bases (13) are hinged with one end of a connecting rod (14), the other end of the connecting rod (14) is hinged with a hinged seat III (15) through a pin shaft III, the hinged seat III (15) is fixedly connected with a connecting plate (16), the front and the back of the connecting plate (16) are fixedly connected with supporting legs (12), the top ends of the supporting legs (12) are hinged with a hinged seat I (11) through a pin shaft I, the hinged seat I (11) is fixedly connected to the bottom of the fixed frame (1), the top of the threaded cylinder II (7) is fixedly connected with a U-shaped plate (17), the left side wall and the right side wall of the U-shaped plate (17) are respectively and fixedly connected with a bearing III, two bearing III are respectively and internally sleeved with a same rotating shaft II (18), the lower position of the right side wall of the U-shaped plate (17) is connected with a sliding sleeve I (21), the sliding of the sliding sleeve I (21) is connected with a clamping rod (22) in a sliding manner, and the right end of the clamping, the left end of the clamping rod (22) is clamped in a clamping groove (35) formed in the circular plate (20), the circular plate (20) is sleeved on the second rotating shaft (18), the clamping rod (22) is sleeved with the first spring (24), two ends of the first spring (24) are respectively fixedly connected with the U-shaped plate (17) and the pulling plate (23), the front surface of the second rotating shaft (18) is fixedly connected with a supporting block (19), the front surface of the supporting block (19) is fixedly connected with an L-shaped supporting plate (28), two T-shaped rods (30) are fixedly connected at the position above the front surface of the L-shaped supporting plate (28), and two sliding sleeves II (33) are slidably connected on the two T-shaped rods (30), and the two sliding sleeves II (33) are clamped in the clamping plates (32), and a second spring (31) is sleeved on the T-shaped rod (30), and two ends of the second spring (31) are fixedly connected with the T-shaped rod (30) and the clamping plate (32) respectively.

2. The multi-angle adjustable music stand for music teaching according to claim 1, wherein: the edge of the right side face of the rotating disc (25) is fixedly connected with a rotating handle (26), and the left side face of the fixed frame (1) is fixedly connected with a handrail (27).

3. The multi-angle adjustable music stand for music teaching according to claim 1, wherein: fixedly connected with telescopic link (10) on the position of fixed frame (1) top left side, the top fixedly connected with fixed block (9) of telescopic link (10), the right side fixedly connected with screw thread section of thick bamboo two (7) of fixed block (9).

4. The multi-angle adjustable music stand for music teaching according to claim 1, wherein: a plurality of clamping grooves (35) are formed in the circular plate (20) in an encircling mode, and the screw pitch of the second screw rod (6) is larger than that of the first screw rod (5).

5. The multi-angle adjustable music stand for music teaching according to claim 1, wherein: the front surface of the clamping plate (32) is fixedly connected with a handle (29), and the lower position of the back side surface of the clamping plate (32) is fixedly connected with a friction pad (34).