CN214253848U

CN214253848U - Piano teaching device support frame

Info

Publication number: CN214253848U
Application number: CN202023082014.2U
Authority: CN
Inventors: 徐颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-09-21
Anticipated expiration: 2030-12-19

Abstract

The utility model discloses a piano teaching device support frame, the on-line screen storage device comprises a base, the first support of top fixedly connected with of base, the top of first support is provided with the second support, the right side fixedly connected with regulating box of second support, the positive right side of regulating box and the right side at the back all are through bolt fixedly connected with diaphragm, the right side of diaphragm has the board of placing through round pin axle swing joint, the inner chamber of regulating box is provided with the gear. The utility model discloses a base, first support, second support, regulating box, diaphragm, place board, gear, pinion rack, connecting rod, first stopper, case that resets, linking plate, montant, second stopper, pull rod and pull ring's cooperation is used, possesses the advantage of adjusting inclination and fixed music book, has solved current piano teaching device support frame, is not convenient for adjust inclination, and is not convenient for fix the music book to can't satisfy the problem of user's demand.

Description

Piano teaching device support frame

Technical Field

The utility model relates to a piano teaching technical field specifically is a piano teaching device support frame.

Background

The piano is a keyboard musical instrument, has the beauty of "king of musical instrument", it is made up of 52 white keys, 36 black keys and metal string soundboards, the range of piano range is from A0 to C8, almost all the musical tones in the musical tone system are included, it is the musical instrument of the widest musical range except pipe organ, the piano is generally used for the performance such as solo, repetition, accompaniment, etc., with people's pursuit to artistic life, the piano has more and more people to study too, in the course of carrying on the piano teaching, the teaching support frame needs to be used in the piano teaching, however, the existing piano teaching device support frame, it is not easy to adjust the inclination angle, and not easy to fix the music score, thus can't meet the user's demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piano teaching device support frame possesses the advantage of adjusting inclination and fixed music book, has solved current piano teaching device support frame, is not convenient for adjust inclination, and is not convenient for fix the music book to can't satisfy the problem of user's demand.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a piano teaching device support frame, includes the base, the first support of top fixedly connected with of base, the top of first support is provided with the second support, the right side fixedly connected with regulating box of second support, the positive right side of regulating box and the right side at the back all are through bolt fixedly connected with diaphragm, the right side of diaphragm has through round pin axle swing joint places the board, the inner chamber of regulating box is provided with the gear, the top and the bottom of gear all mesh have the pinion rack, the right side fixedly connected with connecting rod of pinion rack, the one end that the pinion rack was kept away from to the connecting rod extends to the outside of regulating box through the round pin axle with place board swing joint, the back fixedly connected with driving motor of gear.

Preferably, place the first stopper of bottom fixedly connected with on board right side, place the top fixedly connected with case that resets on board right side, the inner chamber sliding connection that resets the case has a linkage plate, the bottom fixedly connected with montant of linkage plate, the bottom of montant extends to the outside and the fixedly connected with second stopper that resets the case, the top fixedly connected with pull rod of linkage plate, the top of pull rod extends to the outside and the fixedly connected with pull ring that reset the case, the equal fixedly connected with reset spring in both sides at linkage plate top, reset spring keeps away from the one end of linkage plate and the inner wall fixed connection that resets the case.

Preferably, one side fixedly connected with slider that the pinion rack is kept away from the gear, the spout that cooperation slider used is all seted up to the top and the bottom of regulating box inner chamber, slider and spout sliding connection.

Preferably, the front surface of the first support is provided with five adjusting holes.

Preferably, the two sides of the bottom of the base are fixedly connected with backing plates, and the bottom of each backing plate is fixedly connected with a universal wheel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a base, first support, second support, regulating box, diaphragm, place board, gear, pinion rack, connecting rod, first stopper, case that resets, linking plate, montant, second stopper, pull rod and pull ring's cooperation is used, possesses the advantage of adjusting inclination and fixed music book, has solved current piano teaching device support frame, is not convenient for adjust inclination, and is not convenient for fix the music book to can't satisfy the problem of user's demand.

2. The utility model discloses a set up reset spring, can be convenient for the linkage plate resets to in fixed music book, through setting up slider and spout, stability when can improving the pinion rack and remove can be convenient for adjust the use height of placing the board through setting up the regulation hole.

Drawings

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

FIG. 2 is a partial sectional view of the adjusting box of the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a first bracket; 3. a second bracket; 4. an adjusting box; 5. a transverse plate; 6. placing the plate; 7. a gear; 8. a toothed plate; 9. a connecting rod; 10. a first stopper; 11. a reset box; 12. a connector tile; 13. a vertical rod; 14. a second limiting block; 15. a pull rod; 16. a pull ring; 17. a return spring; 18. a slider; 19. a chute; 20. and adjusting the hole.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, a supporting frame for a piano teaching device comprises a base 1, a first bracket 2 is fixedly connected to the top of the base 1, a second bracket 3 is arranged on the top of the first bracket 2, an adjusting box 4 is fixedly connected to the right side of the second bracket 3, transverse plates 5 are fixedly connected to the right side of the front surface and the right side of the back surface of the adjusting box 4 through bolts, a placing plate 6 is movably connected to the right side of the transverse plates 5 through pin shafts, a gear 7 is arranged in the inner cavity of the adjusting box 4, toothed plates 8 are respectively engaged with the top and the bottom of the gear 7, a connecting rod 9 is fixedly connected to the right side of the toothed plate 8, one end of the connecting rod 9, which is far away from the toothed plate 8, extends to the outside of the adjusting box 4 and is movably connected with the placing plate 6 through pin shafts, a driving motor is fixedly connected to the back surface of the gear 7, a first limiting block 10 is fixedly connected to the bottom of the right side of the placing plate 6, a reset box 11 is fixedly connected to the top of the right side of the placing plate 6, the inner cavity of the reset box 11 is connected with a connecting plate 12 in a sliding manner, the connecting plate 12 can be reset conveniently by arranging a reset spring 17 so as to fix a music score, the bottom of the connecting plate 12 is fixedly connected with a vertical rod 13, the bottom of the vertical rod 13 extends to the outside of the reset box 11 and is fixedly connected with a second limiting block 14, the top of the connecting plate 12 is fixedly connected with a pull rod 15, the top of the pull rod 15 extends to the outside of the reset box 11 and is fixedly connected with a pull ring 16, both sides of the top of the connecting plate 12 are fixedly connected with the reset spring 17, one end of the reset spring 17 far away from the connecting plate 12 is fixedly connected with the inner wall of the reset box 11, one side of the toothed plate 8 far away from the gear 7 is fixedly connected with a sliding block 18, both the top and the bottom of the inner cavity of the adjusting box 4 are provided with sliding grooves 19 matched with the sliding block 18 and the sliding groove 19, the stability of the toothed plate 8 during moving can be improved, and the sliding block 18 is connected with the sliding groove 19, regulation hole 20 has been seted up in the front of first support 2, through setting up regulation hole 20, can be convenient for adjust the use height of placing board 6, the quantity of regulation hole 20 is five, the equal fixedly connected with backing plate in both sides of 1 bottom of base, the bottom fixedly connected with universal wheel of backing plate, through base 1, first support 2, second support 3, regulating box 4, diaphragm 5, place board 6, gear 7, pinion rack 8, connecting rod 9, first stopper 10, reset box 11, link plate 12, montant 13, second stopper 14, the cooperation of pull rod 15 and pull ring 16 is used, possess the advantage of adjusting inclination and fixed music book, current piano teaching device support frame has been solved, be not convenient for adjust inclination, and be not convenient for fixed music book, thereby can't satisfy the problem of user's demand.

During the use, start driving motor through external controller, driving motor rotates and drives gear 7 and rotate, and gear 7 rotates and drives pinion rack 8 and removes, and pinion rack 8 removes and drives connecting rod 9 and remove, and connecting rod 9 removes to promote and places 6 emergence slopes of board, and it can to stop driving motor after the suitable angle when slope.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a piano teaching device support frame, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a first bracket (2), the top of the first bracket (2) is provided with a second bracket (3), the right side of the second bracket (3) is fixedly connected with an adjusting box (4), the right side of the front surface and the right side of the back surface of the adjusting box (4) are fixedly connected with transverse plates (5) through bolts, the right side of the transverse plate (5) is movably connected with a placing plate (6) through a pin shaft, the inner cavity of the adjusting box (4) is provided with a gear (7), the top and the bottom of the gear (7) are engaged with toothed plates (8), the right side fixedly connected with connecting rod (9) of pinion rack (8), the outside that the one end that pinion rack (8) were kept away from in connecting rod (9) extended to regulating box (4) is through round pin axle and place board (6) swing joint, the back fixedly connected with driving motor of gear (7).

2. The support frame for piano teaching device of claim 1, wherein: the utility model discloses a novel board replacement device, including place board (6), place the first stopper of bottom fixedly connected with (10) on board (6) right side, place the top fixedly connected with on board (6) right side case (11) that resets, the inner chamber sliding connection of case that resets (11) has linkage plate (12), the bottom fixedly connected with montant (13) of linkage plate (12), the bottom of montant (13) extends to the outside and the fixedly connected with second stopper (14) of case (11) that resets, the top fixedly connected with pull rod (15) of linkage plate (12), the top of pull rod (15) extends to the outside and the fixedly connected with pull ring (16) of case (11) that resets, the equal fixedly connected with reset spring (17) in both sides at linkage plate (12) top, reset spring (17) keep away from the one end of linkage plate (12) and the inner wall fixed connection of case (11) that resets.

3. The support frame for piano teaching device of claim 1, wherein: one side fixedly connected with slider (18) that gear (7) were kept away from in pinion rack (8), spout (19) that cooperation slider (18) used are all seted up to the top and the bottom of regulating box (4) inner chamber, slider (18) and spout (19) sliding connection.

4. The support frame for piano teaching device of claim 1, wherein: adjusting holes (20) are formed in the front face of the first support (2), and the number of the adjusting holes (20) is five.

5. The support frame for piano teaching device of claim 1, wherein: the base is characterized in that base plates are fixedly connected to two sides of the bottom of the base (1), and universal wheels are fixedly connected to the bottoms of the base plates.