CN209769487U - Make things convenient for music teaching to use portable music stand - Google Patents

Abstract

The utility model discloses a make things convenient for music teaching to use portable music stand, the on-line screen storage device comprises a base, the lower extreme fixedly connected with driving motor of base, the straight flute along vertical direction setting is seted up to the base upper end, sliding connection has the lifter in the straight flute, driving motor's output shaft runs through the interior bottom of base and extends to the straight flute in, and the terminal and the threaded rod fixed connection of driving motor output shaft. The utility model discloses an in the lifter withdrawed the straight flute, extract the bolt and make the bracing piece withdraw the bar inslot, can highly fall to minimumly with whole device like this, dragging this device, can be light with this device when not used drag back in the corner, rotate through the roller, can make the cloth piece extension of winding on the roller or shorten to can adjust the size of music stand, be convenient for place the music book of equidimension not.

Description

Make things convenient for music teaching to use portable music stand

Technical Field

The utility model relates to a music stand technical field especially relates to a make things convenient for music teaching to use portable music stand.

Background

The music stand is usually called as big music stand, and the music plate is made of a whole piece of iron sheet by stamping. The bottom round tube has 2-3 times larger diameter than the folding music stand and high price. The whole stability is good, and the spectrum board punching press of some producers "round hole", the effect reduces the influence of air flow to product stability when using. The music board is wide, the support frame tube is thick, the stability is good, the bearing capacity is strong (about 5 kilograms), the support frame tube and the music board are made of high-quality iron, the adjusting button and the angle button are made of high-quality rubber (anti-cracking), the surface is made of baking varnish technology, and the color is bright black; because the music board can not be folded, and the music stand is heavier (about 2.5 kilograms net weight), the music stand is inconvenient to carry, is suitable for being used at home or in professional performance, and is the best to select by using a large book or thick teaching materials.

Present music book frame is in the teaching process, and it is inconvenient to remove, and can not change the size of shelf according to the size of placing the music book, and the shelf is too big or too little all is unfavorable for putting of music book.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a portable music stand convenient for music teaching.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a make things convenient for music teaching to use portable music stand, the on-line screen storage device comprises a base, the lower extreme fixedly connected with driving motor of base, the straight flute along vertical direction setting is seted up to the base upper end, sliding connection has the lifter in the straight flute, driving motor's output shaft runs through the interior bottom of base and extends to the straight flute in, and the end and the threaded rod fixed connection of driving motor output shaft, the upper end threaded connection of threaded rod has the lifter, the bar groove that sets up along vertical direction is seted up to the lifter upper end, bar inslot sliding connection has the bracing piece, the lateral wall of bracing piece is equipped with the pinhole, the lateral wall of lifter runs through and is equipped with the bolt, and the bolt inserts in the pinhole, the upper end fixedly connected with bar board of bracing piece, length adjustment device is installed to.

Preferably, adjusting device includes two fixed blocks of fixed connection at the strip shaped plate lower extreme, two it is connected with the pivot to rotate between the fixed block, the one end of pivot runs through the lateral wall and the fixedly connected with runner of fixed block, fixedly connected with handle on the lateral wall of runner, the handle sets up in the axle center department of keeping away from the runner, the cover is equipped with the roller in the pivot, install shrink mechanism on the fixed block.

Preferably, shrink mechanism includes the installation piece of fixed connection at the fixed block lateral wall, it is connected with first connecting rod to rotate on the installation piece, the one end that the installation piece was kept away from to first connecting rod rotates and is connected with the second connecting rod, the one end that first connecting rod was kept away from to the second connecting rod rotates and is connected with the mounting panel, the upper end fixedly connected with cloth piece of mounting panel, the upper end edge fixedly connected with dog of cloth piece, the one end winding that the mounting panel was kept away from to the cloth piece is on the roller.

Preferably, equal fixedly connected with guide block on the both sides wall of bracing piece, the bar inslot is seted up the guide way, guide block and guide way sliding connection.

Preferably, the lateral wall fixedly connected with of base drags the handle, the universal wheel is installed to the lower extreme of base.

Preferably, the mounting block is rotatably connected with the first link through a resistance rotating shaft.

The utility model discloses following beneficial effect has:

1. The threaded rod is driven to rotate by the driving motor, so that the lifting rod in threaded connection with the upper end of the threaded rod moves up and down, the lifting rod can be retracted into the straight groove, the bolt is pulled out, and the supporting rod is retracted into the strip-shaped groove, so that the height of the whole device can be reduced to the minimum, and the device can be conveniently pulled back to a corner when not used;

2. Through rotating the handle, make pivot and the roller that the cover was established above that rotate, can make the cloth piece of winding on the roller extend or shorten to can adjust the size of music stand, be convenient for place the music book of equidimension not.

Drawings

Fig. 1 is a schematic structural view of a portable music stand for music teaching;

Fig. 2 is a schematic view of the upward structure of the portable music stand for music teaching;

Fig. 3 is the utility model provides a make things convenient for music teaching to look sideways at structural schematic diagram with portable music stand.

in the figure: 1 driving motor, 2 bases, 3 lifting rods, 4 bolts, 5 supporting rods, 6 stop blocks, 7 cloth pieces, 8 strip-shaped plates, 9 strip-shaped grooves, 10 straight grooves, 11 threaded rods, 12 mounting plates, 13 second connecting rods, 14 first connecting rods, 15 mounting blocks, 16 rotating wheels, 17 fixing blocks, 18 rollers, 19 handles, 20 guide grooves and 21 guide blocks.

Detailed Description

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

referring to fig. 1-3, a portable music stand for music teaching, comprising a base 2, a dragging handle fixedly connected to the side wall of the base 2, universal wheels installed at the lower end of the base 2, a driving motor 1 fixedly connected to the lower end of the base 2, a straight groove 10 vertically arranged at the upper end of the base 2, a lifting rod 3 slidably connected to the straight groove 10, a sliding strip fixedly connected to the lifting rod 3, a sliding groove formed in the straight groove 10 and slidably connected to the sliding groove, an output shaft of the driving motor 1 penetrating through the inner bottom of the base 2 and extending into the straight groove 10, and a tail end of the output shaft of the driving motor 1 fixedly connected to a threaded rod 11, a lifting rod 3 threadedly connected to the upper end of the threaded rod 11, a bar-shaped groove 9 vertically arranged at the upper end of the lifting rod 3, a support rod 5 slidably connected to the bar-shaped groove 9, equal fixedly connected with guide block 21 on the both sides wall of bracing piece 5, seted up guide way 20 in the bar groove 9, guide block 21 and 20 sliding connection of guide way, the lateral wall of bracing piece 5 is equipped with the pinhole, and the lateral wall of lifter 3 runs through and is equipped with bolt 4, and in bolt 4 inserted pin hole, the upper end fixedly connected with bar board 8 of bracing piece 5, length adjustment device is installed to the lower extreme of bar board 8.

The adjusting device comprises two fixed blocks 17 fixedly connected to the lower end of the strip-shaped plate 8, a rotating shaft is rotatably connected between the two fixed blocks 17, one end of the rotating shaft penetrates through the side wall of the fixed block 17 and is fixedly connected with a rotating wheel 16, a handle 19 is fixedly connected to the side wall of the rotating wheel 16, the handle 19 is arranged at the position far away from the axis of the rotating wheel 16, a roller 18 is sleeved on the rotating shaft, a contraction mechanism is installed on the fixed block 17 and comprises an installation block 15 fixedly connected to the side wall of the fixed block 17, a first connecting rod 14 is rotatably connected to the installation block 15, the installation block 15 is rotatably connected with the first connecting rod 14 through a resistance rotating shaft, one end of the first connecting rod 14 far away from the installation block 15 is rotatably connected with a second connecting rod 13, one end of the second connecting rod 13 far away from the first connecting rod 14 is rotatably connected with an installation, the end of the sheet 7 remote from the mounting plate 12 is wound onto a roller 18.

the utility model discloses in, when needing to use steadily place this device subaerial, rotate handle 19, make runner 16 also begin to rotate, also make simultaneously and set up the rotation with the coaxial pivot of runner 16, drive roller 18 that can like this rotates, and roller 18's rotation will drive cloth piece 7 around on roller 18, along with the winding of cloth piece 7, the length of cloth piece 7 will reduce, drives mounting panel 12 then and removes, and mounting panel 12 removes. Make second connecting rod 13 rotate, and then make first connecting rod 14 rotate, can make whole device be in balanced state, after adjusting the certain degree, can adjust the size of suitable music book with cloth 7, when not using, receive cloth 7 to minimum length, open driving motor 1, make it drive threaded rod 11 and rotate, because 11 threaded connection of lifter 3 threaded rod, and sliding connection is in straight flute 10, the removal about the lifter can take place, extracting the bolt 4 of inserting at 5 lateral walls of bracing piece, bracing piece 5 will be in landing to bar inslot 9 under the effect of gravity, can drag the handle with the hand power this moment, place this device in the corner.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a make things convenient for portable music stand for music teaching, includes base (2), its characterized in that, the lower extreme fixedly connected with driving motor (1) of base (2), straight flute (10) that set up along vertical direction are seted up to base (2) upper end, sliding connection has lifter (3) in straight flute (10), the output shaft of driving motor (1) runs through the interior bottom of base (2) and extends to in straight flute (10), and the end and threaded rod (11) fixed connection of driving motor (1) output shaft, the upper end threaded connection of threaded rod (11) has lifter (3), the bar groove (9) that set up along vertical direction is seted up to lifter (3) upper end, sliding connection has bracing piece (5) in bar groove (9), the lateral wall of bracing piece (5) is equipped with the pinhole, the lateral wall of lifter (3) runs through and is equipped with bolt (4), and in bolt (4) inserted the pinhole, the upper end fixedly connected with strip shaped plate (8) of bracing piece (5), length adjustment device is installed to the lower extreme of strip shaped plate (8).

2. The portable music stand convenient for music teaching according to claim 1, wherein the adjusting device comprises two fixing blocks (17) fixedly connected to the lower end of the strip-shaped plate (8), a rotating shaft is rotatably connected between the two fixing blocks (17), one end of the rotating shaft penetrates through the side wall of the fixing block (17) and is fixedly connected with a rotating wheel (16), a handle (19) is fixedly connected to the side wall of the rotating wheel (16), the handle (19) is arranged at the position of an axis far away from the rotating wheel (16), a roller (18) is sleeved on the rotating shaft, and a contraction mechanism is installed on the fixing block (17).

3. The portable music stand convenient for music teaching according to claim 2, wherein the contraction mechanism comprises a mounting block (15) fixedly connected to the side wall of the fixing block (17), a first connecting rod (14) is rotatably connected to the mounting block (15), a second connecting rod (13) is rotatably connected to one end, away from the mounting block (15), of the first connecting rod (14), a mounting plate (12) is rotatably connected to one end, away from the first connecting rod (14), of the second connecting rod (13), a cloth piece (7) is fixedly connected to the upper end of the mounting plate (12), a stop block (6) is fixedly connected to the edge of the upper end of the cloth piece (7), and one end, away from the mounting plate (12), of the cloth piece (7) is wound on the roller (18).

4. the portable music stand convenient for music teaching according to claim 1, wherein two side walls of the support rod (5) are fixedly connected with guide blocks (21), a guide groove (20) is formed in the strip-shaped groove (9), and the guide blocks (21) are slidably connected with the guide groove (20).

5. The portable music stand convenient for music teaching according to claim 1, wherein the side wall of the base (2) is fixedly connected with a dragging handle, and the lower end of the base (2) is provided with universal wheels.

6. The mobile music stand for music teaching convenience according to claim 3, wherein the mounting block (15) is rotatably connected with the first connecting rod (14) through a resistance rotating shaft.