CN211130396U

CN211130396U - Piano stool

Info

Publication number: CN211130396U
Application number: CN201922151405.6U
Authority: CN
Inventors: 何四海
Original assignee: Ningbo Sihai Piano Co ltd
Current assignee: Ningbo Sihai Piano Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-31
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a piano stool, including cushion (1), two lift stands and two footing (2), the bottom of two lift stands is fixed with a footing (2) that correspond respectively, and every footing (2) are perpendicular with the lift stand that corresponds, its characterized in that: every lift stand includes head rod (3) and second connecting rod (4), the bottom of head rod (3) is flexible in second connecting rod (4), the top and the cushion (1) of head rod (3) are fixed, the inside of head rod (3) and second connecting rod (4) is equipped with the elastic component of arbitrary spacing in axial stroke position. This piano music bench can make things convenient for height-adjusting, and the operation is quick, can be applicable to the less children with the height of strength.

Description

Piano stool

Technical Field

The utility model relates to a piano spare part technical field specifically says a piano music stool.

Background

The existing piano stool has two types, the first type is fixed in height and generally suitable for adults, and the heights of the adults are not different so that the height of the adults is not required to be adjusted. The height-adjustable of second kind is applicable to various children, because the height differs more, but at present when adjusting, the structure is complicated, for example adopt rotation regulation, and inside structure adopts lead screw and screw-nut, and the regulative mode is loaded down with trivial details like this, and is inconvenient when adjusting moreover, very much to the less children of strength, can't accomplish at all.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can make things convenient for height-adjusting, and the operation is quick, can be applicable to the less children's of strength piano stool.

The technical scheme of the utility model is, a piano stool with following structure is provided, including cushion, two lift stands and two footing, the bottom of two lift stands is fixed with a footing that corresponds respectively, and every footing is perpendicular with the lift stand that corresponds, its characterized in that: every lift stand includes head rod and second connecting rod, the bottom of head rod is flexible in the second connecting rod, the top and the cushion of head rod are fixed, the inside of head rod and second connecting rod is equipped with the arbitrary spacing elastic component in axial stroke position.

The elastic piece is an air spring, a lifting button is arranged at the top of the air spring, and the lifting button is pressed down to enable the air spring to stretch downwards.

A guide device is arranged in the second connecting rod and comprises a rectangular bushing, a plurality of rolling shafts are rotatably connected to four side walls of the bushing, each rolling shaft is arranged along the horizontal position, and the diameter of each rolling shaft is larger than the thickness of the bushing; the inner side of each rolling shaft is attached to the outer wall of the first connecting rod, a space is formed between the outer side of each rolling shaft and the inner side wall of the second connecting rod, and the lining is fixed to the inner side wall of the second connecting rod.

The top of two head rods is equipped with the regulation pole, adjust the pole and rotate with the top of two head rods and be connected, and the lift button that is located the air spring corresponds the position and is equipped with the drive plate respectively, the drive plate is perpendicular with the axis of adjusting the pole and uses the axis of adjusting the pole as the rotation center pin and rotate, is used for pushing down the lift button at the rotation state.

The end parts of the two sections of the adjusting rod are located on the outer side of the first connecting rod, and a handle which is bent downwards is arranged.

Each bottom foot is a hollow pipe, soft protective covers are arranged at two ends of each bottom foot, the middle of each soft protective cover is embedded into the corresponding bottom foot, and a bottom plate of each soft protective cover is located on the bottom surface of the corresponding bottom foot.

The tops of the two second connecting rods are provided with a first cross beam for connecting the two second connecting rods, and the tops of the two first connecting rods are provided with a first cross beam for connecting the two first connecting rods.

After the structure more than adopting, the utility model has the advantages of it is following: can be arbitrary spacing elastic component through increasing axial stroke position to make head rod and second connecting rod flexible at axial optional position, when needs risee, adjust the elastic component extension, otherwise then descend, thereby also can adjust to the less children of strength, can conveniently adjust the height, and the operation is quick.

As the improvement, the elastic component is the air spring, the top of air spring is equipped with the lift button, pushes down the lift button and makes the air spring stretch out and draw back down, can use the general piece on the market, reduce cost.

As an improvement, a guide device is arranged in the second connecting rod, the guide device comprises a rectangular bushing, a plurality of rolling shafts are rotatably connected to four side walls of the bushing, each rolling shaft is arranged along a horizontal position, and the diameter of each rolling shaft is larger than the thickness of the bushing; the inboard of every roller bearing pastes with the outer wall of head rod mutually, is equipped with the interval between the inside wall of outside and second connecting rod, the bush is fixed with the inside wall of second connecting rod, increases the frictional force when head rod and second connecting rod slide, makes the lift more smooth and easy.

As an improvement, adjusting rods are arranged at the tops of the two first connecting rods, the adjusting rods are rotatably connected with the tops of the two first connecting rods, drive plates are arranged at positions, corresponding to lifting buttons of the air springs, the drive plates are perpendicular to the axis of the adjusting rods and rotate by taking the axis of the adjusting rods as a rotating central shaft, the lifting buttons are pressed down in a rotating state, and the adjusting rods are rotated, so that the lifting buttons are pressed down by the drive plates, the reliability is good, and the adjustment is simple.

As an improvement, the end parts of the two sections of the adjusting rod are positioned outside the first connecting rod and are provided with handles bent downwards, so that a user can conveniently adjust the adjusting rod.

As an improvement, each bottom foot is a hollow pipe, soft protective covers are arranged at two ends of each bottom foot, the middle of each soft protective cover is embedded into the bottom foot, and the bottom plate of each soft protective cover is positioned on the bottom surface of each bottom foot to protect the bottom foot and increase the friction force between the bottom plate and the ground where the music stool is placed, so that the bottom foot is prevented from sliding.

As the improvement, the top of two second connecting rods is equipped with a first crossbeam of connecting both, and the top of two first connecting rods is equipped with a second crossbeam of connecting both, increases intensity.

Drawings

Fig. 1 is an explosion diagram of the piano stool of the present invention.

Fig. 2 is a perspective view of the piano stool of the present invention.

Fig. 3 is a schematic sectional view of the piano stool of the present invention.

Fig. 4 is a schematic view of the internal structure of the piano stool of the present invention.

Shown in the figure:

1. cushion, 2, footing, 3, head rod, 4, second connecting rod, 5, gas spring, 6, lifting button, 7, bush, 8, roller, 9, regulation pole, 10, drive plate, 11, handle, 12, soft visor, 13, first crossbeam, 14, second crossbeam.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model discloses a piano stool, including cushion 1, two lift stands and two footing 2, the bottom of two lift stands is fixed with a footing 2 that corresponds respectively, and every footing 2 is perpendicular with the lift stand that corresponds, its characterized in that: every lift stand includes head rod 3 and second connecting rod 4, the bottom of head rod 3 is flexible in second connecting rod 4, the top and the cushion 1 of head rod 3 are fixed.

The top of two second connecting rods 4 is equipped with a first crossbeam 13 of connecting both, and first crossbeam 13 has increased the joint strength of two second connecting rods 4. The top of two connecting rods 3 is equipped with a second crossbeam 14 of connecting both, and second crossbeam 14 has increased the intensity of two connecting rods 3.

A guide device is arranged in the second connecting rod 4, the guide device comprises a rectangular bushing 7, a plurality of rolling shafts 8 are rotatably connected to four side walls of the bushing 7, each rolling shaft 8 is arranged along the horizontal position, and the diameter of each rolling shaft 8 is larger than the thickness of the bushing 7; the inner side of each rolling shaft 8 is attached to the outer wall of the first connecting rod 3, a space is formed between the outer side of each rolling shaft and the inner side wall of the second connecting rod 4, and the lining 7 is fixed to the inner side wall of the second connecting rod 4. When the first connecting rod 3 extends and retracts up and down, the first connecting rod is not in direct contact with the inner wall of the second connecting rod 4, but is attached to the roller 8 on the lining 7, namely the outer wall of the first connecting rod 3 is in rolling connection with the roller 8, so that the friction force between the first connecting rod and the roller is greatly reduced. The roller 8 may be a linear bearing.

Elastic parts which can be limited at any position in the axial stroke position are arranged in the first connecting rod 3 and the second connecting rod 4. The elastic piece is a gas spring 5, a lifting button 6 is arranged at the top of the gas spring 5, and the lifting button 6 is pressed down to enable the gas spring 5 to stretch up and down.

The top of two connecting rods 3 is equipped with regulation pole 9, adjust the pole 9 and rotate with the top of two connecting rods 3 and be connected, and be located the lift button 6 of air spring 5 corresponding position and be equipped with drive plate 10 respectively, drive plate 10 is perpendicular and use the axis of adjusting the pole 9 as the rotation center pin rotation with the axis of adjusting the pole 9, is used for pushing down lift button 6 in the rotation state. The ends of the two sections of the adjusting rod 9 are both positioned outside the first connecting rod 3 and are provided with handles 11 which are bent downwards. The handle 11 is swung to enable the adjustment lever 9 to rotate, so that the drive plate 10 swings and then presses down the lift button 6 of the gas spring 5, after the lift button 6 is pressed down, the gas spring 5 can be pressed down or lifted up, and the handle is reset after adjustment, so that the music stool is positioned at a required height.

Each bottom foot 2 is a hollow tube, the two ends of the bottom foot are provided with a soft protective cover 12, the middle of the soft protective cover 12 is embedded in the bottom foot 2, and the bottom plate of the soft protective cover 12 is positioned on the bottom surface of the bottom foot 2.

Claims

1. The utility model provides a piano stool, includes cushion (1), two lift stands and two footing (2), the bottom of two lift stands is fixed with a footing (2) that correspond respectively, and every footing (2) are perpendicular with the lift stand that corresponds, its characterized in that: every lift stand includes head rod (3) and second connecting rod (4), the bottom of head rod (3) is flexible in second connecting rod (4), the top and the cushion (1) of head rod (3) are fixed, the inside of head rod (3) and second connecting rod (4) is equipped with the elastic component of arbitrary spacing in axial stroke position.

2. A piano stool as claimed in claim 1, wherein: the elastic piece is a gas spring (5), a lifting button (6) is arranged at the top of the gas spring (5), and the lifting button (6) is pressed down to enable the gas spring (5) to stretch up and down.

3. A piano stool as claimed in claim 1, wherein: a guide device is arranged in the second connecting rod (4), the guide device comprises a rectangular bushing (7), a plurality of rolling shafts (8) are rotatably connected to four side walls of the bushing (7), each rolling shaft (8) is arranged along the horizontal position, and the diameter of each rolling shaft is larger than the thickness of the bushing (7); the inner side of each rolling shaft (8) is attached to the outer wall of the first connecting rod (3), a space is arranged between the outer side of each rolling shaft and the inner side wall of the second connecting rod (4), and the lining (7) is fixed to the inner side wall of the second connecting rod (4).

4. A piano stool as claimed in claim 2, wherein: the top of two head rods (3) is equipped with adjusts pole (9), adjust the top rotation of pole (9) and two head rods (3) and be connected, and be located lift button (6) corresponding position of air spring (5) and be equipped with drive plate (10) respectively, drive plate (10) and the axis of adjusting pole (9) are perpendicular and use the axis of adjusting pole (9) as the rotation center pin and rotate, are used for pushing down lift button (6) at the rotation state.

5. The piano stool of claim 4, wherein: the end parts of the two sections of the adjusting rod (9) are positioned outside the first connecting rod (3) and are provided with handles (11) which are bent downwards.

6. A piano stool as claimed in claim 1, wherein: each bottom foot (2) is a hollow tube, soft protective covers (12) are arranged at two ends of each bottom foot, the middle of each soft protective cover (12) is embedded into each bottom foot (2), and the bottom plate of each soft protective cover (12) is located on the bottom surface of each bottom foot (2).

7. A piano stool as claimed in claim 1, wherein: the tops of the two second connecting rods (4) are provided with a first cross beam (13) for connecting the two second connecting rods, and the tops of the two first connecting rods (3) are provided with a second cross beam (14) for connecting the two second connecting rods.