CN210407759U

CN210407759U - But height-adjusting's piano musical instrument bench

Info

Publication number: CN210407759U
Application number: CN201921056118.0U
Authority: CN
Inventors: 熊南方; 刘涛; 乔宪伟; 庄联森
Original assignee: Yichang Jinbao Music Instrument Manufacture Co ltd
Current assignee: Yichang Jinbao Music Instrument Manufacture Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-28
Anticipated expiration: 2029-07-08

Abstract

The utility model provides a but height-adjusting's piano stool, it includes the stool main part, the stool main part passes through lift adjusting device and is connected with the skirtboard, the skirtboard is connected with the bench leg, the rotatable bottom of installing in the stool main part of lead screw among the lift adjusting device, the lead screw both ends are equipped with the screw thread, and both ends screw thread revolves to opposite, the upper end of lower fixing base is articulated with the nut, nut and lead screw threaded connection, the lower extreme of lower fixing base is articulated with the skirtboard, during height-adjusting, through rotating the lead screw to the hand wheel, make lead screw nut remove along lead screw axis direction, the backup pad is being taken the pulling to rise or descend jointly, thereby it rises or descends to drive the bench face, this stool simple structure, low cost, make things convenient for batch.

Description

But height-adjusting's piano musical instrument bench

Technical Field

The utility model relates to a piano part field, but especially a height-adjusting's piano stool.

Background

The stool is an important tool in piano playing or playing. In the process of playing a piano, players with different heights have different requirements on the height of the piano stool, so that playing is smoothly carried out in order to ensure correct playing posture, comfortable sitting posture and convenient use, and the piano stool with the height adjustable is urgently needed.

In chinese patent CN206102150U "piano stool", an electric lifting device is arranged in the piano stool box to adjust the height of the piano stool, but this patent needs a driving motor installed in the piano stool to realize the adjustment, which is too complex and high in cost. Today, with the increasing popularity of pianos, there is a need for a height-adjustable piano stool that is simple in design and low in cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a but height-adjusting's piano stool is provided, but solve the problem that the player of different heights can not adjust the piano stool height according to the demand.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a piano stool with adjustable height comprises a stool main body, wherein the stool main body is connected with a skirtboard through a lifting adjusting device, and the skirtboard is connected with stool legs;

the structure of the lifting adjusting device is as follows: the bottom at the musical instrument bench main part is installed to the lead screw is rotatable, and the lead screw both ends are equipped with the screw thread, and both ends screw thread revolves to opposite, and the upper end and the nut of lower fixing base are articulated, nut and lead screw threaded connection, and the lower extreme and the skirtboard of lower fixing base are articulated.

In the preferred scheme, still be equipped with the fixing base, go up the upper end of fixing base and articulated with the musical instrument bench main part, the lower extreme of going up the fixing base is articulated with the middle part of fixing base down.

In a preferred scheme, the axis of the shaft at the hinged position of the nut and the lower fixed seat is along the diameter direction of the nut.

In a preferred scheme, the length of the upper fixing seat is the same as the length L from the position of a hinge point of the lower fixing seat and the upper fixing seat to the axis of the shaft hinged with the nut.

In the preferred scheme, the two ends of the screw rod are provided with handle wheels.

In a preferred scheme, a Y-shaped frame is further arranged between the stool main body and the skirt board.

In the preferred scheme, the Y-shaped frame and the lower fixing seat are hinged with the supporting plate, and the supporting plate is fixedly connected with the apron board.

In the preferred scheme, the bottom of skirtboard is equipped with a plurality of vertical holes, and the lateral wall in vertical hole is equipped with the cross bore, and the upper portion position from the top down of bench leg is equipped with a plurality of through-holes, and positioning bolt passes cross bore and through-hole with bench leg and skirtboard fixed connection.

In the preferred scheme, the connection mode of the apron board and the stool legs is joggled joint.

In a preferred scheme, a stool surface is arranged on the upper surface of the stool main body, and a plurality of stool buckles are arranged on the stool surface.

The utility model provides a pair of but height-adjusting's piano musical instrument bench, through the scheme more than adopting, during up height-adjusting, through hand wheel rotation lead screw, make screw-nut remove along lead screw axis direction, the backup pad is being promoted with the area and is rising or descending to it rises or descends to drive the bench face. When the height is adjusted downwards, the positioning bolt on the music stool is rotated, the music stool is pressed downwards, the position of the through hole is adjusted, the positioning bolt is screwed down, and the height is reduced. The music stool has the advantages of simple structure, low cost and convenient batch production.

Drawings

The invention will be further explained with reference to the following figures and examples:

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

FIG. 2 is a schematic structural view of a middle lift adjusting device of the present invention;

fig. 3 is a schematic view of a middle stool surface of the present invention.

In the figure: a stool surface 10; a stool button 11; a stool main body 20; a lift adjusting device 30; an upper fixing seat 31; a lower fixing base 32; a screw 33; a support plate 34; a handle wheel 35; a "Y" shaped frame 36; a nut 37; the skirt board 40; stool legs 50; a through hole 51; a positioning bolt 52; the length of the axis L.

Detailed Description

As in fig. 1-3, for solving the above technical problem, the utility model discloses the technical scheme who adopts is: a height-adjustable piano stool comprises a stool main body 20, the stool main body 20 is connected with an apron 40 through a lifting adjusting device 30, the apron 40 is connected with stool legs 50, and the lifting adjusting device 30 has the structure that: the screw 33 is rotatably installed at the bottom of the stool main body 20, threads are arranged at two ends of the screw 33, the thread turning directions of the two ends are opposite, the upper end of the lower fixing seat 32 is hinged to the nut 37, the nut 37 is in threaded connection with the screw 33, and the lower end of the lower fixing seat 32 is hinged to the skirt board 40. With the structure, when the height of the music stool needs to be adjusted upwards, the screw rod 33 is rotated to enable the nut 37 to move along the axial direction of the screw rod 33, so that the stool surface is driven to rise, when the rising stool surface needs to be lowered, the screw rod 33 rotates in the opposite direction, the nut 37 moves in the opposite direction along the axial direction of the screw rod 33, and the music stool is lowered to the original height.

In a preferred scheme, an upper fixing seat 31 is further arranged, the upper end of the upper fixing seat 31 is hinged with the piano stool main body 20, the lower end of the upper fixing seat 31 is hinged with the middle of the lower fixing seat 32, and therefore, the upper fixing seat 31, the lower fixing seat 32, the screw rod 33 and the apron board 40 form a stable triangular structure, and the stability of the piano stool is guaranteed after the height is adjusted.

In a preferred embodiment, the axis of the shaft at the position where the nut 37 is hinged to the lower fixing seat 32 moves along the diameter direction of the nut 37, and the fixing seat 32 moves along the axial direction of the screw 33 under the driving of the nut 37.

In a preferred scheme, the length of the upper fixing seat 31 is the same as the length L from the position of the hinge point of the lower fixing seat 32 and the upper fixing seat 31 to the axis of the shaft hinged by the nut 37, and the nut 37 drives the upper fixing seat 31 to move when axially reciprocating along the screw rod 33, so that the normal operation of the lifting adjusting device 30 is ensured.

In a preferred scheme, handle wheels 35 are arranged at two ends of the screw rod 33, and the nut 37 moves along the axial direction of the screw rod 33 by rotating the handle wheels 35 to the screw rod 33.

In a preferred embodiment, a "Y" shaped frame 36 is disposed between the stool body 20 and the skirt 40 for guiding and preventing the stool from deflecting.

In the preferred scheme, the Y-shaped frame 36 and the lower fixing seat 32 are both hinged to the supporting plate 34, the supporting plate 34 is fixedly connected with the apron 40, when the height is adjusted, the lower fixing seat 32 drives the Y-shaped frame 36 to be unfolded, and the Y-shaped frame 36 drives the stool main body 20 to ascend.

In the preferred scheme, the bottom of skirtboard 40 is equipped with a plurality of vertical holes, and the lateral wall in vertical hole is equipped with the cross bore, and the upper portion position from the top down of bench leg 50 is equipped with a plurality of through-holes 51, and positioning bolt 52 passes cross bore and through-hole 51 with bench leg 50 and skirtboard 40 fixed connection, and from this structure, when adjusting the height downwards, both sides rotate positioning bolt 52, down press the bench, adjust through-hole 51 to suitable position, tighten positioning bolt 52 again, can reduce the bench height.

In the preferred scheme, the connection mode of the apron board 40 and the stool legs 50 is a joggle joint, and the joggle joint mode can conveniently connect the stool legs and the apron board, and is firmer and more environment-friendly than glue bonding.

In the preferred scheme, the upper surface of the stool main body 20 is provided with a stool surface 10, the stool surface 10 is provided with a plurality of stool buckles 11, seven stool buckles 11 are adopted and are designed into a two-three-row layout, and the distance is designed according to the structure of the buttocks of a human body, so that the use is comfortable.

The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a but height-adjusting's piano musical instrument bench, characterized by: the music stool comprises a music stool main body (20), wherein the music stool main body (20) is connected with an apron board (40) through a lifting adjusting device (30), and the apron board (40) is connected with stool legs (50);

the lifting adjusting device (30) is structurally characterized in that: the screw rod (33) is rotatably installed at the bottom of the music stool main body (20), threads are arranged at two ends of the screw rod (33), the thread turning directions of the two ends are opposite, the upper end of the lower fixing seat (32) is hinged to the nut (37), the nut (37) is in threaded connection with the screw rod (33), and the lower end of the lower fixing seat (32) is hinged to the apron board (40).

2. A piano stool with adjustable height as claimed in claim 1, wherein: the music stool is further provided with an upper fixing seat (31), the upper end of the upper fixing seat (31) is hinged with the music stool main body (20), and the lower end of the upper fixing seat (31) is hinged with the middle of the lower fixing seat (32).

3. A piano stool with adjustable height as claimed in claim 1, wherein: the axis of the shaft at the hinged position of the nut (37) and the lower fixed seat (32) is along the diameter direction of the nut (37).

4. A piano stool with adjustable height as claimed in claim 1, wherein: the length of the upper fixing seat (31) is the same as the length (L) from the position of a hinge point of the lower fixing seat (32) and the upper fixing seat (31) to the axis of a shaft hinged by the nut (37).

5. A piano stool with adjustable height as claimed in claim 1, wherein: handle wheels (35) are arranged at two ends of the screw rod (33).

6. A piano stool with adjustable height as claimed in claim 1, wherein: a Y-shaped frame (36) is also arranged between the stool main body (20) and the skirt board (40).

7. A piano stool with adjustable height as claimed in claim 1, wherein: the Y-shaped frame (36) and the lower fixed seat (32) are hinged with a support plate (34), and the support plate (34) is fixedly connected with the apron board (40).

8. A piano stool with adjustable height as claimed in claim 1, wherein: the bottom of skirtboard (40) is equipped with a plurality of vertical holes, and the lateral wall in vertical hole is equipped with the cross bore, and the upper portion position from the top down of bench leg (50) is equipped with a plurality of through-holes (51), and positioning bolt (52) pass cross hole and through-hole (51) with bench leg (50) and skirtboard (40) fixed connection.

9. A piano stool with adjustable height as claimed in claim 1, wherein: the connection mode of the skirt board (40) and the stool legs (50) is joggled joint.

10. A piano stool with adjustable height as claimed in claim 1, wherein: the upper surface of the music stool main body (20) is provided with a stool surface (10), and the stool surface (10) is provided with a plurality of music stool buckles (11).