CN211767006U

CN211767006U - Piano frame convenient to move

Info

Publication number: CN211767006U
Application number: CN201921284171.6U
Authority: CN
Inventors: 焦月哲
Original assignee: Tianjin Huihengda Musical Instrument Co ltd
Current assignee: Tianjin Huihengda Musical Instrument Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-10-27
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to a musical instrument technical field especially relates to a convenient piano frame that removes. The to-be-solved technical problem of the utility model is the inconvenient removal of piano. In order to solve the technical problem, the utility model provides a piano frame that conveniently removes, the control box comprises a control box, the top of this product control box is equipped with the shank that the buckle can fix the piano, and the surface mosaic of control box has the anticollision layer, the control box utilizes the bracing piece to work as the roof beam post, this design can effectually bear the weight of top piano, just can be through unable adjustment base and ground contact when the pulley groove rises, this product reciprocates through spacing groove and pulley groove threaded connection control pulley groove, the screw thread on the surface in pulley groove and the reverse side skewed tooth meshing of drive belt, this design can make the motor pass through driving gear and driven gear control drive belt pivoted in-process and can control four pulley grooves and carry out elevating movement, and the positive tooth of drive belt is the spur tooth.

Description

Piano frame convenient to move

Technical Field

The utility model relates to a musical instrument technical field specifically is a convenient piano frame that removes.

Background

The piano is a keyboard instrument in Western classical music and is known as the king of the instrument. The piano keyboard consists of 88 keys, 52 white keys, 36 black keys and a metal string soundboard. The italian person, bartolo miukeli dorfo, invented a piano in 1709, with a range of piano pitch range from a0 to C8, covering almost all tones in the tone system, being the instrument with the widest range except for the pipe organ. The piano is commonly used for solo, repetition, accompaniment and other performances, and is very convenient for composing music and rehearsing music. The player drives a small mallet covered with a felt in the piano by pressing keys on the keyboard, and then strikes the steel wire strings to make sound. The piano needs regular care to ensure that the tone of the piano is unchanged.

The traditional piano abandons the transportation design of the basic mobile function for aesthetic appearance, and the piano is easy to damage and heavy, so that a plurality of staff are required to carry the piano in the transportation process, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a piano frame of convenient removal has solved the problem of the inconvenient removal of piano.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a piano frame convenient to move comprises a control box, wherein an anti-collision layer is fixedly arranged on the surface of the control box, four limiting grooves and supporting rods are fixedly arranged at the top of the inner wall of the control box, one opposite side of the two limiting grooves is fixedly connected with the bottom of the inner wall of the control box through a connecting support, pulley grooves are in threaded connection with the inner parts of the limiting grooves, bearings are sleeved in the pulley grooves, metal frames are fixedly connected with the inner walls of the bearings, two sides of each metal frame are fixedly connected with a rotating shaft through a fixing frame, pulleys are sleeved on the surface of the rotating shaft, limiting plates are in threaded connection with the surfaces of the pulley grooves, the limiting plates are fixedly arranged at the bottom of the inner wall of the control box, the top and the bottom of the inner wall of the control box are fixedly connected through the supporting rods, driven gears are sleeved on the surfaces of the supporting rods, and, the bottom fixed mounting of control box inner wall has the rectangular plate, the top fixed mounting of rectangular plate has quick-witted case, the motor has been cup jointed to the inside of quick-witted case, the fixed mounting has the fan in the breach that the side surface of machine case was seted up, the driving gear has been cup jointed on the output of motor, the driving gear meshes with driven gear, top fixed mounting have unable adjustment base.

Further preferably, the motor and the rectangular plate are both located between the front limiting plate and the rear limiting plate, and the motor is located on the right side of the supporting rod.

Preferably, the positive and negative surfaces of the transmission belt are respectively embedded with spur teeth and helical teeth, and the transmission belt is positioned between the limiting groove and the limiting plate.

Further preferably, the two connecting supports are respectively positioned at the front side and the rear side of the supporting rod, and the connecting supports are designed in an X shape.

Further preferably, the top of control box is equipped with spacing buckle, and quantity have four.

Further preferably, the fixing frames are located right above the pulleys, and the number of the fixing frames is two.

(III) advantageous effects

The utility model provides a convenient piano frame that removes possesses following beneficial effect:

(1) the top of this product control box is equipped with the shank that the buckle can fix the piano, and the surface mosaic of control box has the anticollision layer, and the control box utilizes the bracing piece to work as the back beam column, and linking bridge is supplementary fixed, and this design can effectually bear the weight of top piano, just can be through unable adjustment base and ground contact when pulley groove rises, makes things convenient for reciprocal use very much.

(2) This product reciprocates through spacing groove and pulley groove threaded connection control pulley groove, pulley in the pulley groove is the universal wheel design, various problems can not appear at the in-process of ground connection in this design, the screw thread on the surface of pulley groove meshes with the reverse side skewed tooth of drive belt, this design can make the motor pass through driving gear and driven gear control drive belt pivoted in-process and can control four pulley grooves and carry out elevating movement, and the positive tooth of drive belt is the spur tooth, this design can make driven gear can control the drive belt better and remove and can not the position off tracking, and four pulley grooves remain throughout and carry out elevating movement on same water flat line, the very convenient problem of the inconvenient removal of piano frame of having solved of this design.

Drawings

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

FIG. 2 is a cross-sectional view of the top of the structure of the present invention;

fig. 3 is a cross-sectional view of the pulley groove of the present invention.

In the figure: the device comprises a control box 1, an anti-collision layer 2, a limiting plate 3, a rotating shaft 4, a pulley 5, a metal frame 6, a fixing base 7, a transmission belt 8, a fixing frame 9, a rectangular plate 10, a fan 11, a motor 12, a chassis 13, a driving gear 14, a supporting rod 15, a connecting support 16, a limiting groove 17, a driven gear 18, a pulley groove 19, a bearing 20 and a limiting buckle 21.

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. 1-3, the present invention provides a technical solution: a piano frame convenient to move comprises a control box 1, wherein the top of the control box 1 is provided with four limiting buckles 21, the number of the limiting buckles 21 is four, the design is used for better fixing a plurality of models of pianos so that the pianos cannot sideslip, the surface of the control box 1 is fixedly provided with an anti-collision layer 2, the top of the inner wall of the control box 1 is fixedly provided with four limiting grooves 17 and a supporting rod 15, one opposite side of the two limiting grooves 17 is fixedly connected with the bottom of the inner wall of the control box 1 through a connecting support 16, the two connecting supports 16 are respectively arranged at the front side and the rear side of the supporting rod 15, the connecting support 16 is in an X-shaped design, the design can ensure that the internal structure of the control box 1 is fixed more safely without hidden danger and mechanical faults, the internal threads of the limiting grooves 17 are connected with pulley grooves 19, bearings 20 are sleeved inside the pulley grooves 19, the inner walls of the bearings, the two sides of the metal frame 6 are fixedly connected with the rotating shaft 4 through the fixing frames 9, the fixing frames 9 are positioned right above the pulleys 5, the number of the fixing frames 9 is two, the fixing frames 9 can be better fixed and connected with the metal frames 9 on the two sides through the design, the rotating shaft 4 is firmer and more durable and cannot easily generate various faults, the pulleys 5 are sleeved on the surface of the rotating shaft 4, the surface threads of the pulley grooves 19 are connected with the limiting plates 3, the limiting plates 3 are fixedly arranged at the bottom of the inner wall of the control box 1, the top and the bottom of the inner wall of the control box 1 are fixedly connected through the supporting rods 15, the surface of the supporting rods 15 is sleeved with the driven gears 18, the driven gears 18 and the pulley grooves 19 are in transmission connection through the driving belts 8, the front and the back of the driving belts 8 are respectively inlaid with positive teeth and oblique teeth, and the design can enable the driving belts 8 to achieve two, and the transmission belt 8 is positioned between the limiting groove 17 and the limiting plate 3, the design can ensure that the movable range of the transmission belt 8 is fixed and the problem of deviation and the like cannot easily occur, the bottom of the inner wall of the control box 1 is fixedly provided with a rectangular plate 10, a chassis 13 is fixedly arranged on the top of the rectangular plate 10, a motor 12 is sleeved in the chassis 13, the motor 12 and the rectangular plate 10 are both positioned between the front and rear limiting plates 3, the motor 12 is positioned on the right side of the supporting rod 15, this design allows the motor 12 to better control the four pulley grooves 19 for up and down movement without problems, a fan 11 is fixedly arranged in a gap formed in the side surface of the case 13, a driving gear 14 is sleeved on the output end of the motor 12, the driving gear 14 is meshed with the driven gear 18, and the top of the base 1 is fixedly provided with a fixed base 7.

The working principle is as follows: starting motor 12 makes driving gear 14 drive driven gear 18 rotatory, can drive belt 8 when driven gear 18 is rotatory and rotate, and the reverse side tooth of drive belt 8 and the surface toothing of pulley groove 19, when drive belt 8 moves to the right, ascending motion can be to pulley groove 19, and when drive belt 8 reverse movement, pulley groove 19 can descend, and pulley groove 19 is spacing and is inside at its inside elevating motion by limiting plate 3 and spacing groove 17 simultaneously.

Claims

1. The utility model provides a convenient piano frame that removes, includes control box (1), its characterized in that: the anti-collision device is characterized in that an anti-collision layer (2) is fixedly mounted on the surface of the control box (1), four limiting grooves (17) and a supporting rod (15) are fixedly mounted at the top of the inner wall of the control box (1), one side, opposite to the two limiting grooves (17), of the two limiting grooves is fixedly connected with the bottom of the inner wall of the control box (1) through a connecting support (16), a pulley groove (19) is connected with the inner threads of the limiting grooves (17), a bearing (20) is sleeved inside the pulley groove (19), a metal frame (6) is fixedly connected with the inner wall of the bearing (20), two sides of the metal frame (6) are fixedly connected with a rotating shaft (4) through a fixing frame (9), a pulley (5) is sleeved on the surface of the rotating shaft (4), a limiting plate (3) is connected with the surface threads of the pulley groove (19), and the limiting plate (3) is fixedly, the top and the bottom of control box (1) inner wall pass through bracing piece (15) fixed connection, driven gear (18) have been cup jointed on the surface of bracing piece (15), driven gear (18) and pulley groove (19) are connected through drive belt (8) transmission, the bottom fixed mounting of control box (1) inner wall has rectangular plate (10), the top fixed mounting of rectangular plate (10) has quick-witted case (13), motor (12) have been cup jointed to the inside of quick-witted case (13), the breach internal fixation that the side surface of quick-witted case (13) was seted up has fan (11), driving gear (14) have been cup jointed on the output of motor (12), driving gear (14) and driven gear (18) meshing, the top fixed mounting of control box (1) has unable adjustment base (7).

2. A conveniently portable piano frame according to claim 1, wherein: the motor (12) and the rectangular plate (10) are both located between the front limiting plate and the rear limiting plate (3), and the motor (12) is located on the right side of the supporting rod (15).

3. A conveniently portable piano frame according to claim 1, wherein: the positive and negative surfaces of the transmission belt (8) are respectively embedded with positive teeth and oblique teeth, and the transmission belt (8) is positioned between the limiting groove (17) and the limiting plate (3).

4. A conveniently portable piano frame according to claim 1, wherein: the two connecting supports (16) are respectively positioned at the front side and the rear side of the supporting rod (15), and the connecting supports (16) are designed in an X shape.

5. A conveniently portable piano frame according to claim 1, wherein: the top of control box (1) is equipped with spacing buckle (21), and the quantity of spacing buckle (21) has four.

6. A conveniently portable piano frame according to claim 1, wherein: the fixing frames (9) are positioned right above the pulleys (5), and the number of the fixing frames (9) is two.