CN213483384U

CN213483384U - Prevent piano of music book landing with activity music stand

Info

Publication number: CN213483384U
Application number: CN202022414426.5U
Authority: CN
Inventors: 危柳
Original assignee: Changsha Normal University
Current assignee: Changsha Normal University
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-18
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a prevent activity music stand for piano of music book landing, including bottom plate main part, fixed suction cup and connecting pipe, the top mounting screw of bottom plate main part has places the board main part, and places the inside block of board main part and install the clamp plate to the inside bonding of placing the board main part is fixed with the extrusion gasbag, the connecting pipe is installed to the right flank of extrusion gasbag, and the right-hand member of connecting pipe runs through the right flank of placing the board main part and is connected with fixed suction cup, and fixed suction cup's left side is connected with the right flank of placing the board main part, the inside block of bottom right flank of placing the board main part is connected with the pull rod, and the right-hand member top fix with screw of pull rod has the dead lever, and the left flank bonding of dead lever is. This prevent activity music stand for piano of music book landing for fixed suction cup is fine adsorbs fixedly to the back of music book, improves the steadiness that the music book was placed, avoids the landing of music book.

Description

Prevent piano of music book landing with activity music stand

Technical Field

The utility model relates to a piano technical field specifically is a prevent activity music stand for piano of music book landing.

Background

Along with the continuous development of the education trade now, we focus on the development of moral intelligence body beauty more for children can develop comprehensively and find own specialty and hobby, the piano is one kind of multiple music equipment, the music that the piano played is listened to, therefore the piano is liked by most people, need use the music book when studying the piano, consequently need use the music book frame to support the music book and place, so that the learner is fine watch the music book and play, although the music frame variety on the market at present is many, but still there are some weak points at the in-process of using, for example:

1. when a music book is placed on the existing movable music book rack, two ends of the music book are mostly extruded and fixed through two fixing rods on the front side, but after the music book is turned over and used in a later stage, one end of the music book is thicker and heavier, and the other end of the music book is thinner and lighter, so that the music book is easy to incline and slide, and the watching of the music book is influenced;

2. the bottom surface of the existing movable music stand is mostly smoothly arranged, so that when the movable music stand is placed on the surface of a piano, the movable music stand is poor in stability and easy to slide in the placing process;

therefore, the movable music stand for the piano, which can prevent music scores from sliding off, can be provided to well solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent activity music stand for piano of music book landing, it is fixed to extrude the both ends of music book through two fixed poles of front side mostly when placing the music book with solving the current activity music stand on the existing market that above-mentioned background art provided, but later stage music book can make the one end of music book thick heavier after the upset is used, the other end is thinner lighter, and then make the easy slope landing of music book, the bottom surface of current activity music stand is mostly smooth setting, make activity music stand when placing with the surface of piano like this, the steadiness of activity music stand is relatively poor, at the easy gliding problem of in-process of placing.

In order to achieve the above object, the utility model provides a following technical scheme: a movable music stand for a piano for preventing music scores from slipping comprises a bottom plate main body, a fixed sucker and a connecting pipe, wherein a placing plate main body is arranged on the top of the bottom plate main body through a screw, a pressing plate is arranged in the placing plate main body in a clamping mode, an extrusion air bag is fixedly bonded in the placing plate main body, the connecting pipe is arranged on the right side of the extrusion air bag, the right end of the connecting pipe penetrates through the right side of the placing plate main body and is connected with the fixed sucker, the left side of the fixed sucker is connected with the right side of the placing plate main body, a pull rod is connected in the bottom right side of the placing plate main body in a clamping mode, a fixing rod is fixedly bonded above the right end of the pull rod through a screw, a first rubber pad is fixedly bonded on the left side of the fixing rod, a cross rod is connected with an inner bearing on the bottom surface of the bottom plate main body, the middle part outside key of horizontal pole is connected with the eccentric wheel, and the left end outside nestification of horizontal pole is provided with torsion spring to torsion spring's left end is connected with the bottom plate main part, torsion spring's right-hand member is connected with the horizontal pole, and the right-hand member outside key-type of horizontal pole has the rope winding dish to the outside winding screw of rope winding dish has the second and connects the rope, the equal fix with screw in front and back both sides face middle part of clamp plate has first connecting rope.

Preferably, place the inside of board main part and seted up spout and storage tank, and the upper and lower both sides of storage tank all are provided with the spout to place the inside draw-in groove, last spacing groove and the lower spacing groove of having seted up of the lower extreme right flank of board main part.

Preferably, an upper limiting groove is arranged above the clamping groove, a lower limiting groove is arranged below the clamping groove, the lower limiting groove and the upper limiting groove are the same in shape and size, and the length of the clamping groove is larger than that of the lower limiting groove and that of the upper limiting groove.

Preferably, the upper end and the lower end of the pressing plate are both fixed with a bump through screws, a reset spring is mounted on the right side of the bump through screws, and the bump and the reset spring are both placed.

Preferably, the lug has been placed to the inside block of spout, and reset spring has been placed to the inside of spout to reset spring's right-hand member with place board main part screwed connection.

Preferably, the screw is fixed with the upper convex rod on the left end of pull rod, and the screw is installed down the convex rod below the left end of pull rod to the upper convex rod block is placing at last spacing inslot, and the pull rod block is placed in the draw-in groove, and the lower convex rod block is placed spacing inslot down simultaneously, and the top of upper convex rod and the bottom screw connection of first connecting rope, and the bottom of lower convex rod and the top screw connection of a plurality of second connecting ropes.

Preferably, the space inside the connecting pipe is communicated with the space inside the extrusion air bag and the fixed sucker, and the connecting pipe and the fixed sucker are arranged in a one-to-one correspondence manner.

Compared with the prior art, the beneficial effects of the utility model are that: the movable music stand for the piano can prevent music scores from sliding off;

(1) the upper convex rod is arranged, when the upper convex rod is pulled rightwards, the first connecting rope can be pulled, so that the first connecting rope drives the pressing plate to extrude the extruding air bag, meanwhile, the pressing plate drives the lug to extrude the reset spring to store force, and when the upper convex rod is released in the later period, the pressing plate is reset through the extrusion stored force of the reset spring, the volume of the extruding air bag is expanded and restored, so that the extruding air bag sucks air in the fixed sucker through the connecting pipe, the fixed sucker well adsorbs and fixes the back of a music score, the placement stability of the music score is improved, and the music score is prevented from sliding down;

(2) install the second rubber pad, can increase the frictional force between bottom plate main part bottom surface and the piano through the setting of second rubber pad, the stable the placing of whole activity music stand of being convenient for improves the steadiness that whole activity music stand was placed, and the later stage drives the eccentric wheel when the horizontal pole rotates and contact with the piano, is convenient for reduce the frictional force between bottom plate main part and the piano to be convenient for the fine removal of whole activity music stand, avoid scraping colored piano when removing.

Drawings

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

FIG. 2 is a schematic side sectional view of the connection between the main body of the placement board and the pull rod of the present invention;

FIG. 3 is a schematic side sectional view of the middle part of the main body of the placing plate of the present invention;

FIG. 4 is a schematic view of a right end side sectional structure of the bottom plate main body of the present invention;

FIG. 5 is a schematic side view of the present invention;

fig. 6 is the main sectional structure of the bottom plate main body of the present invention.

In the figure: 1. a base plate main body; 2. placing the plate main body; 201. a card slot; 202. an upper limiting groove; 203. a chute; 204. a containing groove; 205. a lower limiting groove; 3. pressing a plate; 31. a bump; 32. a return spring; 4. extruding the air bag; 5. a first connecting rope; 6. fixing the sucker; 7. a pull rod; 71. an upper protruding rod; 72. a lower nose bar; 8. fixing the rod; 9. a first rubber pad; 10. a cross bar; 11. an eccentric wheel; 12. a second rubber pad; 13. a torsion spring; 14. a rope winding disc; 15. a second connecting rope; 16. and (4) connecting the pipes.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a movable music stand for a piano for preventing music scores from sliding off comprises a bottom plate main body 1, a placing plate main body 2, a clamping groove 201, an upper limiting groove 202, a sliding groove 203, a containing groove 204, a lower limiting groove 205, a pressing plate 3, a convex block 31, a reset spring 32, an extrusion air bag 4, a first connecting rope 5, a fixed sucker 6, a pull rod 7, an upper convex rod 71, a lower convex rod 72, a fixed rod 8, a first rubber pad 9, a cross rod 10, an eccentric wheel 11, a second rubber pad 12, a torsion spring 13, a rope winding disc 14, a second connecting rope 15 and a connecting pipe 16, wherein the placing plate main body 2 is installed on the upper portion of the bottom plate main body 1 through screws, the pressing plate 3 is installed inside the placing plate main body 2 in a clamping manner, the extrusion air bag 4 is fixedly bonded inside the placing plate main body 2, the connecting pipe 16 is installed on the right side face of the extrusion air bag 4, and the right end, the left side of the fixed sucker 6 is connected with the right side of the placing plate main body 2, the inner part of the right side of the bottom end of the placing plate main body 2 is connected with a pull rod 7 in a clamping way, a fixed rod 8 is fixed on the upper part of the right end of the pull rod 7 through a screw, a first rubber pad 9 is fixedly bonded on the left side of the fixed rod 8, the inner part of the bottom surface of the bottom plate main body 1 is connected with a cross rod 10 through a bearing, the rear side of the cross rod 10 is provided with a second rubber pad 12, the top end of the second rubber pad 12 is fixedly bonded with the inner part of the bottom surface of the bottom plate main body 1, the outer side of the middle part of the cross rod 10 is connected with an eccentric wheel 11, a torsion spring 13 is nested on the outer side of the left end of the cross rod 10, the left end of the torsion spring 13 is connected with the bottom plate main body 1, the right end, the middle parts of the front side surface and the rear side surface of the pressure plate 3 are respectively fixed with a first connecting rope 5 by screws;

the placing plate main body 2 is internally provided with a sliding groove 203 and a containing groove 204, the sliding groove 203 is arranged on the upper side and the lower side of the containing groove 204, and the clamping groove 201, the upper limiting groove 202 and the lower limiting groove 205 are arranged on the inner part of the right side surface of the lower end of the placing plate main body 2, so that the pressing plate 3 and the extrusion airbag 4 can be conveniently installed and placed through the containing groove 204;

an upper limiting groove 202 is arranged above the clamping groove 201, a lower limiting groove 205 is arranged below the clamping groove 201, the lower limiting groove 205 and the upper limiting groove 202 are the same in shape and size, the length of the clamping groove 201 is larger than the length of the lower limiting groove 205 and the length of the upper limiting groove 202, and the length of the clamping groove 201 is larger than the length of the lower limiting groove 205 and the length of the upper limiting groove 202, so that the pull rod 7 can slide in the clamping groove 201 well;

the upper end and the lower end of the pressing plate 3 are both fixed with a convex block 31 by screws, a reset spring 32 is installed on the right side of the convex block 31 by screws, and the convex block 31 and the reset spring 32 are both placed, so that the convex block 31 is fixed with the upper end and the lower end of the pressing plate 3 by screws, and the reset spring 32 is installed on the right side of the convex block 31 by screws, so that the pressing plate 3 is driven to reset by the accumulated force of the reset spring 32 in the later period;

the convex block 31 is clamped and placed in the sliding chute 203, the return spring 32 is placed in the sliding chute 203, and the right end of the return spring 32 is in screw connection with the placing plate main body 2, so that the convex block 31 is convenient to mount through the sliding chute 203, and the convex block 31 can move well;

an upper convex rod 71 is fixed on a screw above the left end of the pull rod 7, a lower convex rod 72 is installed on a screw below the left end of the pull rod 7, the upper convex rod 71 is clamped and placed in the upper limiting groove 202, the pull rod 7 is clamped and placed in the clamping groove 201, the lower convex rod 72 is clamped and placed in the lower limiting groove 205, the top end of the upper convex rod 71 is connected with a bottom end screw of the first connecting rope 5, the bottom end of the lower convex rod 72 is connected with top end screws of the second connecting ropes 15, the first connecting rope 5 is conveniently pulled through the upper convex rod 71, and the second connecting ropes 15 are conveniently pulled through the lower convex rod 72;

the inside space of connecting pipe 16 and the inside space homogeneous phase intercommunication of extrusion gasbag 4 and fixed suction cup 6, and connecting pipe 16 is the one-to-one setting with fixed suction cup 6 for gas in the connecting pipe 16 will extrude gasbag 4 enters into fixed suction cup 6, discharges through fixed suction cup 6.

The working principle is as follows: when the movable music stand for the piano is used, firstly, as shown in fig. 5, the whole movable music stand is placed on the piano, at this time, the second rubber pad 12 at the bottom of the bottom plate main body 1 is contacted with the surface of the piano, so as to improve the friction force between the bottom plate main body 1 and the surface of the piano, so as to stably place the whole movable music book, when the music book needs to be placed, at this time, as shown in fig. 1-3 and fig. 5, the pull rod 7 is pulled rightwards, so that the left end of the pull rod 7 slides in the clamping groove 201, the upper convex rod 71 above the left end of the pull rod 7 slides in the upper limiting groove 202 and simultaneously pulls the first connecting rope 5, so that the first connecting rope 5 drives the press plate 3 in the containing groove 204 to move rightwards, at this time, the convex blocks 31 at the upper and lower ends of the press plate 3 extrude the reset spring 32 in the sliding, meanwhile, the pressing plate 3 extrudes the extrusion air bag 4, so that gas in the extrusion air bag 4 enters the fixed sucker 6 through the connecting pipe 16 to be discharged, then a music score is placed in a space between the right side face of the placing plate main body 2 and the left side face of the fixed rod 8, then the pull rod 7 is loosened, the pressing plate 3 is driven to move leftwards to reset under the action of the storage force of the reset spring 32, at the moment, the first connecting rope 5 also pulls the pull rod 7 to move and reset, and the pull rod 7 drives the fixed rod 8 and the first rubber pad 9 to extrude and fix two ends of the music score;

at this time, the volume of the extrusion air bag 4 is expanded and restored, and then the extrusion air bag 4 absorbs the gas inside the fixed suction cup 6 through the connecting pipe 16, so that the fixed suction cup 6 is well fixed with the back of the music book, the stability of placing the music book is ensured, and the music book is prevented from tilting and sliding down, so that the music book is well used, when the movable music stand needs to be moved and the music book needs to be replaced, at this time, as shown in the above, the pull rod 7 is manually pulled rightwards, so that the lower convex rod 72 at the bottom of the left end of the pull rod 7 shown in the attached drawing 4 slides in the lower limiting groove 205 to simultaneously pull the plurality of second connecting ropes 15, so that the plurality of second connecting ropes 15 pull and rotate the rope reel 14 one by one, thereby the rope reel 14 drives the cross rod 10 connected with the inner key to rotate when rotating, so that the cross rod 10 drives the eccentric wheel 11 connected with the outer, so that the lowest point of the eccentric wheel 11 is lower than the lowest point of the base plate body 1 to contact the piano, thereby reducing the friction force between the base plate body 1 and the piano and facilitating the good movement of the entire base plate body 1, which is not described in detail in this specification, and is known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a prevent activity music stand for piano of music book landing, includes bottom plate main part (1), fixed suction cup (6) and connecting pipe (16), its characterized in that: a placing plate main body (2) is installed on the upper portion of the bottom plate main body (1) through screws, a pressing plate (3) is installed inside the placing plate main body (2) in a clamped mode, an extruding air bag (4) is fixedly bonded inside the placing plate main body (2), a connecting pipe (16) is installed on the right side face of the extruding air bag (4), the right end of the connecting pipe (16) penetrates through the right side face of the placing plate main body (2) to be connected with a fixed sucker (6), the left side of the fixed sucker (6) is connected with the right side face of the placing plate main body (2), a pull rod (7) is connected inside the right side face of the bottom end of the placing plate main body (2) in a clamped mode, a fixing rod (8) is fixed on the upper portion of the right end of the pull rod (7) through screws, a first rubber pad (9) is fixedly bonded on the left side face of the fixing, and the rear side of horizontal pole (10) is provided with second rubber pad (12) to the top of second rubber pad (12) is fixed with the inside bonding of the bottom surface of bottom plate main part (1), the middle part outside key joint of horizontal pole (10) has eccentric wheel (11), and the left end outside nestification of horizontal pole (10) is provided with torsion spring (13), and the left end of torsion spring (13) is connected with bottom plate main part (1), the right-hand member of torsion spring (13) is connected with horizontal pole (10), and the right-hand member outside key-type of horizontal pole (10) has rope reel (14), and the outside winding screw of rope reel (14) is fixed with second and is connected rope (15), the equal fix with screw in front and back both sides face middle part of clamp plate (3) has first connection rope (5).

2. The movable music stand for piano of claim 1, wherein the movable music stand for piano is used for preventing music score from sliding off, and comprises: the novel plate placing device is characterized in that a sliding groove (203) and a containing groove (204) are formed in the plate placing main body (2), the sliding grooves (203) are formed in the upper side and the lower side of the containing groove (204), and a clamping groove (201), an upper limiting groove (202) and a lower limiting groove (205) are formed in the right side face of the lower end of the plate placing main body (2).

3. The movable music stand for piano of claim 2, wherein the movable music stand for preventing music score from sliding off comprises: an upper limiting groove (202) is arranged above the clamping groove (201), a lower limiting groove (205) is arranged below the clamping groove (201), the shape and the size of the lower limiting groove (205) are the same as those of the upper limiting groove (202), and the length of the clamping groove (201) is greater than those of the lower limiting groove (205) and the upper limiting groove (202).

4. The movable music stand for piano of claim 2, wherein the movable music stand for preventing music score from sliding off comprises: the upper end and the lower end of the pressing plate (3) are both fixed with a bump (31) through screws, a reset spring (32) is mounted on the right side of the bump (31) through screws, and the bump (31) and the reset spring (32) are both placed.

5. The movable music stand for piano of claim 4, wherein the movable music stand for piano is used for preventing music score from sliding off, and comprises: the inside block of spout (203) has placed lug (31), and reset spring (32) have been placed to the inside of spout (203) to the right-hand member of reset spring (32) with place board main part (2) screw connection.

6. The movable music stand for piano of claim 1, wherein the movable music stand for piano is used for preventing music score from sliding off, and comprises: the utility model discloses a safety protection device, including pull rod (7), protruding pole (71) are fixed with to the left end top screw of pull rod (7), and left end below screw installation of pull rod (7) down protruding pole (72), and go up protruding pole (71) block and placing in last spacing groove (202), and pull rod (7) block is placed in draw-in groove (201), simultaneously protruding pole (72) block is placed under in spacing groove (205), and the top of going up protruding pole (71) and the bottom screw connection of first connecting rope (5), and the bottom of protruding pole (72) is connected the top screw connection of rope (15) with a plurality of seconds down.

7. The movable music stand for piano of claim 1, wherein the movable music stand for piano is used for preventing music score from sliding off, and comprises: the space inside the connecting pipe (16) is communicated with the space inside the extrusion air bag (4) and the fixed sucker (6), and the connecting pipe (16) and the fixed sucker (6) are arranged in a one-to-one correspondence manner.