CN214541166U

CN214541166U - Music score presentation device

Info

Publication number: CN214541166U
Application number: CN202120819351.0U
Authority: CN
Inventors: 苏彤
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-10-29
Anticipated expiration: 2031-04-21

Abstract

The utility model provides a music book presentation device, including the landing leg, install the rack on the landing leg, the rack includes the intermediate pillar, and the intermediate pillar is connected with the landing leg, and intermediate pillar both ends movable mounting has first pillar, installs between intermediate pillar and the pillar and can be with the sliding barrel of intermediate pillar and first pillar fixed, and the tip movable mounting that the intermediate pillar was kept away from to first pillar has the second pillar, and when second pillar and first pillar mutually perpendicular, demountable installation has the backup pad between two second pillars. The demonstration device occupies a small space when being folded, is convenient to place, can be adjusted at various angles when being used, and is convenient to use and operate. In conclusion, the music score demonstration device is reasonable in structure, simple to operate, convenient to use and suitable for popularization and application.

Description

Music score presentation device

Technical Field

The utility model relates to a music book presentation device.

Background

The music book support frame is the instrument that is used for putting the music book specially, and the person of being convenient for to use observes the operation and uses, and current music book support frame structure function singleness on the market is inconvenient receive and releases, and can not satisfy the adjustment of various angles or adjust inconvenient, can not satisfy the requirement well, consequently urgently needs a kind of music book support frame that can switch various angles and convenient to use at will.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the weak point of above-mentioned conventional art, provide a music book presentation device, can effectively solve above-mentioned technical problem, and convenient to use is suitable for popularization and application.

The purpose of the utility model is achieved through the following technical measures: the utility model provides a music book presentation device, includes the landing leg, install the rack on the landing leg, the rack includes the middle post, the middle post is connected with the landing leg, middle post both ends movable mounting has first pillar, install between middle post and the first pillar and can be with the sliding barrel of middle post and pillar fixed, the tip movable mounting that the middle post was kept away from to first pillar has the second pillar, and when second pillar and first pillar mutually perpendicular, demountable installation has the backup pad between two second pillars.

As a preferred scheme, the middle column is provided with a fixed column, and a spring frame is mounted on the fixed column.

Preferably, the middle column is hinged to the first column, and the sliding cylinders are in sliding fit with the first column and the middle column respectively.

As a preferable mode, the following steps: the middle column is provided with a spring, one end of the spring is in contact with the fixed column, the other end of the spring is in contact with the end part of the sliding barrel, when the spring is in a compressed state, the sliding barrel is separated from the hinged part of the middle column and the first column, and after the spring is stretched out, the sliding barrel is positioned on the hinged part of the middle column and the first column, so that the middle column and the first column are fixed.

Preferably, the middle column is provided with a fixed end, and when the sliding barrel slides to the position of the fixed end along the first column under the elastic force of the spring, the sliding barrel is positioned at the hinged part of the middle column and the first column.

As a preferred scheme, a first sliding groove is formed in the end portion, away from the middle column, of the first supporting column, a fixed block is arranged at the end portion, away from the middle column, of the first sliding groove, a sliding plate is arranged at the end portion of the second supporting column, the sliding plate is in sliding fit with the first sliding groove, a second sliding groove is formed in the sliding plate, and the fixed block is in sliding fit with the second sliding groove.

As a preferable scheme, the end part of the second sliding groove far away from the second pillar is provided with a rotating hole, and the fixing block can rotate in the rotating hole.

As a preferred scheme, the second pillar is provided with the jack, the jack evenly is provided with a plurality ofly along the second pillar, backup pad tip is provided with the cylinder, cylinder and jack sliding fit.

As a preferred scheme, the middle column is provided with a spherical fixed cylinder, the top of the supporting leg is fixedly provided with a positioning ball, the positioning ball is installed in the fixed cylinder, and the positioning ball is in running fit with the fixed cylinder.

As a preferred scheme, a positioning hole is formed in the side wall of the fixed cylinder, a positioning column is installed in the positioning hole, the positioning hole is a threaded hole, and the positioning column is a threaded column.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the utility model discloses a music book presentation device is provided with the rack that is convenient for receive and release, occupies less space when packing up, is convenient for place, and the rack can carry out the adjustment of multiple angle when using, and uses convenient operation. In conclusion, the music score demonstration device is reasonable in structure, simple to operate, convenient to use and suitable for popularization and application.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the present invention showing a partial structure.

Fig. 3 is a schematic view of the present invention in partial structure section.

Fig. 4 is a schematic view of the present invention in partial cross-sectional structure.

Fig. 5 is a schematic view of the local structure of the present invention.

Fig. 6 is a schematic view of the local structure of the present invention.

Detailed Description

Example (b): as shown in the attached

drawings

1 and 2, the music score demonstration device comprises a supporting leg 1, wherein a placing frame is mounted on the supporting leg 1 and comprises a middle column 2, the middle column 2 is connected with the supporting leg 1, first columns 3 are movably mounted at two ends of the middle column 2, a sliding cylinder 4 capable of fixing the middle column 2 and the first columns 3 is mounted between the middle column 2 and the columns, a second column 4 is movably mounted at the end part, far away from the middle column 2, of the first column 3, and a supporting plate 6 is detachably mounted between the two second columns 4 when the second columns 4 are perpendicular to the first columns 3.

Specifically, the side wall of the second pillar is mounted with a shelf 11 for conveniently placing music.

The middle column 2 is provided with a fixed column 12, and the fixed column 12 is provided with a spring frame 5.

The middle column 2 is hinged with the first column 3, and the sliding cylinder 4 is respectively matched with the first column 3 and the middle column 2 in a sliding way.

The middle column 2 is provided with a spring 13, one end of the spring 13 is contacted with the fixed column 12, the other end of the spring 13 is contacted with the end part of the sliding cylinder 4, when the spring 13 is in a compressed state, the sliding cylinder 4 is separated from the hinged parts of the middle column 2 and the first column 3, and after the spring 13 is extended, the sliding cylinder 4 is positioned at the hinged parts of the middle column 2 and the first column 3, so that the middle column 2 and the first column 3 are fixed.

The middle column is provided with a fixed end 15, and when the sliding cylinder 4 slides to the position of the fixed end 15 along the first support column 3 under the elastic force of the spring 13, the sliding cylinder 4 is positioned at the hinged part of the middle column 2 and the first support column 3.

The end part of the first support 3, which is far away from the middle column 2, is provided with a first sliding chute 16, the end part of the first sliding chute 16, which is far away from the middle column 2, is provided with a fixed block 17, the end part of the second support 4 is provided with a sliding plate 18, the sliding plate 18 is in sliding fit with the first sliding chute 16, the sliding plate 18 is provided with a second sliding chute 19, and the fixed block 17 is in sliding fit with the second sliding chute 19.

The end of the second sliding groove 19 remote from the second pillar 4 is provided with a rotating hole 20, and the fixed block 17 can rotate in the rotating hole 20.

Specifically, the rotary hole is circular, the cross section of the fixed block is square, and the diameter length of the rotary hole is larger than the length of a diagonal line of the cross section of the fixed block. The fixed block is fixedly installed in the first sliding groove in a bonding mode and the like.

The second pillar 4 is provided with jack 10, and jack 10 evenly is provided with a plurality ofly along second pillar 4, and backup pad 6 tip is provided with cylinder 21, cylinder 21 and jack 10 sliding fit. Specifically, the diameter of the insertion hole is larger than that of the cylinder, so that the supporting plate is convenient to mount.

The middle column 2 is provided with a spherical fixed cylinder 7, the top of the landing leg 1 is fixedly provided with a positioning ball 8, the positioning ball 8 is installed in the fixed cylinder 7, and the positioning ball 8 is in running fit with the fixed cylinder 7.

The side wall of the fixed cylinder 7 is provided with a positioning hole, a positioning column 9 is arranged in the positioning hole, the positioning hole is a threaded hole, and the positioning column 9 is a threaded column.

When the placing frame is used normally, as shown in attached figures 3 and 5, the sliding cylinder is located at the position where the middle column is hinged to the first support column, the middle column is fixed to the first support column, meanwhile, the sliding block is located in the second sliding groove, the second support column is fixed to the first support column, and after the supporting plate is installed, a music score can be placed on the shelf for use. Specifically, the positioning ball and the fixing barrel can be loosened or locked by adjusting the positioning column, so that the angle of the placing frame can be adjusted conveniently.

After the use, the second support column is pulled to enable the sliding block to be located in the rotating hole, as shown in the attached drawing 4, the supporting plate can be taken out, then the sliding cylinder is slid to enable the sliding cylinder to leave the position where the middle column is hinged with the first support column, as shown in the attached drawing 6, the first support column and the second support column can be adjusted in the state, the first support column and the second support column are attached to the supporting legs, and the placing frame can be folded.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a music book presentation device, includes the landing leg, install rack, its characterized in that on the landing leg: the rack includes the middle post, the middle post is connected with the landing leg, middle post both ends movable mounting has first pillar, install between middle post and the first pillar and can be with the sliding barrel of middle post with the pillar is fixed, the tip movable mounting that the middle post was kept away from to first pillar has the second pillar, and when second pillar and first pillar mutually perpendicular, demountable installation had the backup pad between two second pillars.

2. A musical score presentation device as claimed in claim 1, wherein: the middle column is provided with a fixed column, and a spring frame is mounted on the fixed column.

3. A musical score presentation device as claimed in claim 1, wherein: the middle column is hinged with the first support column, and the sliding cylinder is in sliding fit with the first support column and the middle column respectively.

4. A musical score presentation device as claimed in claim 2, wherein: the middle column is provided with a spring, one end of the spring is in contact with the fixed column, the other end of the spring is in contact with the end part of the sliding barrel, when the spring is in a compressed state, the sliding barrel is separated from the hinged part of the middle column and the first column, and after the spring is stretched out, the sliding barrel is positioned on the hinged part of the middle column and the first column, so that the middle column and the first column are fixed.

5. The musical score presentation device of claim 4, wherein: the intermediate column is provided with the stiff end, when the slide cartridge receives spring force to slide to the position of stiff end along first pillar, the slide cartridge is located intermediate column, first pillar articulated part.

6. A musical score presentation device as claimed in claim 1, wherein: the end part of the first support far away from the middle column is provided with a first sliding groove, the end part of the first sliding groove far away from the middle column is provided with a fixed block, the end part of the second support is provided with a sliding plate, the sliding plate is in sliding fit with the first sliding groove, the sliding plate is provided with a second sliding groove, and the fixed block is in sliding fit with the second sliding groove.

7. The musical score presentation device of claim 6, wherein: the end part, far away from the second pillar, of the second sliding groove is provided with a rotating hole, and the fixing block can rotate in the rotating hole.

8. A musical score presentation device as claimed in claim 1, wherein: the second pillar is provided with the jack, the jack evenly is provided with a plurality ofly along the second pillar, the backup pad tip is provided with the cylinder, cylinder and jack sliding fit.

9. A musical score presentation device as claimed in any one of claims 1 to 8, characterized by: the middle column is provided with a spherical fixed cylinder, the top of the supporting leg is fixedly provided with a positioning ball, the positioning ball is installed in the fixed cylinder, and the positioning ball is in running fit with the fixed cylinder.

10. A musical score presentation device as claimed in claim 9, wherein: the side wall of the fixed cylinder is provided with a positioning hole, a positioning column is installed in the positioning hole, the positioning hole is a threaded hole, and the positioning column is a threaded column.