CN211087909U

CN211087909U - Music rack capable of preventing music score from falling

Info

Publication number: CN211087909U
Application number: CN201921965965.9U
Authority: CN
Inventors: 易小红
Original assignee: Yichun University
Current assignee: Yichun University
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-24
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a can prevent music book music stand that drops, including placing board, handle, lifting support pole and base, outside one side of placing the board is connected with lifting support pole through the fixing base, and lifting support pole's bottom is connected with the fixed plate through fixed rotary rod to the top at the base is installed to the bottom of fixed plate, the outside of fixed rotary rod is connected with a side surface of fixed plate through the torsional spring, and runs through middle rotary rod in the middle of fixed rotary rod, and one side outside of middle rotary rod is connected with the swing gear, and the swing gear sets up the inside at fixed rotary rod simultaneously. This can prevent music book music rest that music book dropped carries out the in-process of using, not only can carry out fixed work to the music book according to the size of music book, and the phenomenon that the surface of music book is covered can not appear to and whole placing frame is folding work that carries on that the in-process that uses can be fine, the convenience of bringing for user's use.

Description

Music rack capable of preventing music score from falling

Technical Field

The utility model relates to a music frame correlation technique field specifically is a music frame that can prevent music book and drop.

Background

The music rack is a placing device for placing music scores in the music playing process, so that the music rack is convenient for a user to play by hands, and the music rack on the existing market has the following problems in the using process;

1. the existing music rack in the market can not fix the music score well in the process of placing the music score, and some music racks can fix the music score, but the area for fixing the music score is too limited, and the whole music score can cover the surface of the music score to play when being fixed, so that the playing effect of a user is influenced;

2. traditional music frame is inconvenient at the in-process of placing and carrying, and whole music frame's occupation space is big, and inconvenient work of carrying, therefore, we just provide a music frame that conveniently solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent music book music frame that drops to solve the music frame on the existing market that above-mentioned background art provided and at the in-process that uses, can not be fine fix the music book, and the problem that the big inconvenience of occupation space of whole device carried.

In order to achieve the above object, the utility model provides a following technical scheme: a music rack capable of preventing music scores from falling off, which comprises a placing plate, a handle, a lifting support rod and a base, one side of the outer part of the placing plate is connected with the lifting support rod through a fixed seat, the bottom of the lifting support rod is connected with the fixed plate through a fixed rotary rod, the bottom of the fixed plate is arranged above the base, a handle is connected above the placing plate, the placing plate and the placing plate are connected through a first hinge, the other side surface of the placing plate is connected with the cover plate through a second hinge, the outside of the fixed rotating rod is connected with one side surface of the fixed plate through a torsion spring, and the middle of the fixed rotating rod penetrates through the middle rotating rod, and the outside of one side of the middle rotating rod is connected with the rotating gear, and the rotating gear is coaxially connected with the second connecting shaft, and meanwhile, the rotating gear is arranged in the fixed rotating rod.

Preferably, place and be connected for magnetism between board and the apron, and the material of apron is the toughened glass material to the area of apron is greater than two-thirds of placing the board area.

Preferably, the vertical central axis of the fixing seat and the vertical central axis of the placing plate are in the same straight line, and the connection mode between the fixing seat and the top end of the lifting support rod is the same as the connection mode between the bottom of the lifting support rod and the fixing plate.

Preferably, the top outside of middle rotary rod is teeth of a cogwheel column structure, and the position of the teeth of a cogwheel column structure on the middle rotary rod and the inside swing pinion of fixed rotary rod corresponds to each other to the outside setting of swing pinion partial deviation fixed rotary rod also is connected through the torsional spring between the inside of middle rotary rod and fixed rotary rod simultaneously.

Preferably, the top end of the fixed rotating rod is provided with 4 pawls at equal angles, the pawls outside the fixed rotating rod are mutually clamped with the ratchets inside the fixed plate, and the pawls outside the fixed rotating rod are coaxially connected with the second connecting shaft in the middle of the rotating gear.

Compared with the prior art, the beneficial effects of the utility model are that: the music rack capable of preventing the music score from falling off can fix the music score according to the size of the music score in the using process, the phenomenon that the surface of the music score is covered is avoided, the whole rack can be folded well in the using process, and convenience is brought to a user;

1. the transparent cover plate on the surface of the whole music rack is magnetically connected with the placing plate, so that music scores can be well fixed, normal playing work of a user cannot be influenced, and the whole music scores cannot be influenced by the external environment above the placing rack;

2. whole rack lifting support pole can be fine shrink and rotation work to and place the board and place the folding work that carries on that also can be fine between the board, make whole rack can be fine carry out folding work, guarantee can be fine carry work to whole rack.

Drawings

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

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the connection structure of the fixing plate and the fixed rotary rod of the present invention;

fig. 5 is a schematic view of the connection structure of the intermediate rotary rod and the rotary gear of the present invention.

In the figure: 1. placing the plate; 2. a first hinge; 3. a handle; 4. a second hinge; 5. a cover plate; 6. a fixed seat; 7. lifting the supporting rod; 8. a base; 9. a fixing plate; 10. an intermediate rotating rod; 11. a torsion spring; 12. fixing the rotating rod; 13. a second connecting shaft; 14. the gear is rotated.

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. 1-5, the present invention provides a technical solution: a music rack capable of preventing music scores from falling comprises a placing plate 1, a first hinge 2, a handle 3, a second hinge 4, a cover plate 5, a fixed seat 6, a lifting support rod 7, a base 8, a fixed plate 9, an intermediate rotary rod 10, a torsional spring 11, a fixed rotary rod 12, a second connecting shaft 13 and a rotary gear 14, wherein one side of the outer part of the placing plate 1 is connected with the lifting support rod 7 through the fixed seat 6, the bottom of the lifting support rod 7 is connected with the fixed plate 9 through the fixed rotary rod 12, the bottom of the fixed plate 9 is arranged above the base 8, the handle 3 is connected above the placing plate 1, the placing plate 1 is connected with the placing plate 1 through the first hinge 2, the other side surface of the placing plate 1 is connected with the cover plate 5 through the second hinge 4, the outer part of the fixed rotary rod 12 is connected with one side surface of the fixed plate 9 through the torsional spring 11, and the intermediate rotary rod 10 penetrates, and one side of the intermediate rotating rod 10 is externally connected with a rotating gear 14, and the rotating gear 14 is coaxially connected with the second connecting shaft 13, while the rotating gear 14 is disposed inside the fixed rotating rod 12.

Place and be connected for magnetism between board 1 and the apron 5, and the material of apron 5 is the toughened glass material to the area of apron 5 is greater than the two-thirds of placing board 1 area, and the convenience is fixed the music book, and the phenomenon that the music book surface covering can not appear takes place.

The vertical central axis of the fixing seat 6 and the vertical central axis of the placing plate 1 are in the same straight line, and the connection mode between the fixing seat 6 and the top end of the lifting support rod 7 is the same as the connection mode between the bottom of the lifting support rod 7 and the fixing plate 9.

The upper outer part of the middle rotating rod 10 is in a gear-tooth-shaped structure, the gear-tooth-shaped structure on the middle rotating rod 10 corresponds to the position of the rotating gear 14 inside the fixed rotating rod 12, the rotating gear 14 is arranged in a manner of deviating from the outer side of the fixed rotating rod 12, meanwhile, the middle rotating rod 10 is connected with the inside of the fixed rotating rod 12 through the

torsion spring

11, 4 pawls are arranged at equal angles at the top end position of the fixed rotating rod 12, the pawls outside the fixed rotating rod 12 are mutually clamped with the ratchets inside the fixed plate 9, and the pawls outside the fixed rotating rod 12 are coaxially connected with the second connecting shaft 13 in the middle of the rotating gear 14, so that the middle rotating rod 10 can conveniently rotate to enable the rotating gear 14 to rotate, the rotating gear 14 drives the pawls coaxially connected with the rotating gear to change the rotating angle, and the effect of, thereby facilitating the carrying work.

The working principle is as follows: when the music rack capable of preventing music scores from falling off is used, firstly, the whole placing rack is placed at a proper position under the action of the bottom base 8, then music scores to be fixed can be placed and fixed, a worker only needs to open the cover plate 5 under the action of the second hinge 4, then the music scores are placed above the placing plate 1, the cover plate 5 is closed again, the cover plate 5 is magnetically connected with the placing plate 1, and the user can perform the work;

after the performance is finished, when the whole placing rack needs to be stored, firstly, the lifting support rod 7 needs to be contracted, then, the angle of the base 8 needs to be rotated, in the rotating process, a worker only needs to rotate the whole base 8, so that the base 8 drives the whole fixing plate 9 to rotate, in the rotating process of the fixing plate 9, the limiting can be carried out under the action of the internal ratchet, at the moment, the user only needs to rotate the middle rotating rod 10, so that the middle rotating rod 10 rotates, the external gear-shaped structure rotates with the rotating gear 14, the rotating gear 14 drives the pawl which is coaxially connected with the rotating gear to rotate, the position of the pawl changes, the whole base 8 can be rotated, when the whole base 8 rotates to be parallel to the lifting support rod 7, the middle rotating rod 10 rotates reversely to complete the limiting work, the rotating work of the base 8 is completed, then the placing plate 1 and the placing plate 1 are folded under the action of the first hinge 2, and then the folded placing plate 1 and the lifting support rod 7 are rotated repeatedly, so that the whole music rack can be well carried, and then when a user needs to carry out the whole rack, the user only needs to repeat the work to rotate the base 8 and the placing plate 1 to complete the supporting work, (it needs to be noted that in the process of rotationally supporting and placing the whole base 8 and the placing plate 1, the ratchets inside the fixed plate 9 and the ratchets outside the fixed rotating rod 12 can rotate, when the ratchets rotate reversely, the ratchets and the ratchets can not rotate in a limiting way, and thus the rotational angle changing operation of the pawls by means of the intermediate rotating rod 10) are well known to those skilled in the art, to which contents not described in detail in this specification belong.

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 can prevent music book music stand that drops, is including placing board (1), handle (3), lift bracing piece (7) and base (8), its characterized in that: the outer side of the placing plate (1) is connected with a lifting support rod (7) through a fixed seat (6), the bottom of the lifting support rod (7) is connected with a fixed plate (9) through a fixed rotary rod (12), the bottom of the fixed plate (9) is installed above a base (8), a handle (3) is connected above the placing plate (1), the placing plate (1) is connected with the placing plate (1) through a first hinge (2), the other side surface of the placing plate (1) is connected with a cover plate (5) through a second hinge (4), the outer portion of the fixed rotary rod (12) is connected with one side surface of the fixed plate (9) through a torsion spring (11), an intermediate rotary rod (10) penetrates through the middle of the fixed rotary rod (12), and the outer portion of one side of the intermediate rotary rod (10) is connected with a rotary gear (14), and the rotating gear (14) is coaxially connected with the second connecting shaft (13), and the rotating gear (14) is arranged inside the fixed rotating rod (12).

2. The music stand capable of preventing music score from falling off according to claim 1, wherein: the placing plate (1) is magnetically connected with the cover plate (5), the cover plate (5) is made of toughened glass, and the area of the cover plate (5) is larger than two thirds of the area of the placing plate (1).

3. The music stand capable of preventing music score from falling off according to claim 1, wherein: the vertical central axis of the fixing seat (6) and the vertical central axis of the placing plate (1) are positioned on the same straight line, and the connecting mode between the fixing seat (6) and the top end of the lifting support rod (7) is the same as the connecting mode between the bottom of the lifting support rod (7) and the fixing plate (9).

4. The music stand capable of preventing music score from falling off according to claim 1, wherein: the top outside of middle rotary rod (10) is teeth of a cogwheel column structure, and the position of the teeth of a cogwheel column structure on middle rotary rod (10) and fixed rotary rod (12) inside swing pinion (14) corresponds to each other to swing pinion (14) are partial to the outside setting of fixed rotary rod (12), also are connected through torsional spring (11) between the inside of middle rotary rod (10) and fixed rotary rod (12) simultaneously.

5. The music stand capable of preventing music score from falling off according to claim 1, wherein: the top end of the fixed rotating rod (12) is provided with 4 pawls at equal angles, the pawls on the outer side of the fixed rotating rod (12) are mutually clamped with the ratchets in the fixed plate (9), and the pawls on the outer side of the fixed rotating rod (12) are coaxially connected with a second connecting shaft (13) in the middle of the rotating gear (14).