CN210493383U

CN210493383U - Automatic lifting piano stool

Info

Publication number: CN210493383U
Application number: CN201920970706.9U
Authority: CN
Inventors: 李品应
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-05-12
Anticipated expiration: 2029-06-24

Abstract

The utility model belongs to the technical field of the piano teaching aid, an automatic piano stool goes up and down is disclosed. The utility model comprises a seat body and a lifting mechanism, wherein the seat body comprises a support frame and a cushion, the upper end of the support frame is connected with the lower end of the lifting mechanism, and a mounting plate positioned below the cushion is fixed at the upper end of the lifting mechanism; the middle part of the mounting plate is movably connected with the cushion through a connecting part; a first fine adjustment component and a second fine adjustment component are connected between the mounting plate and the cushion; a main control circuit and a horizontal sensor electrically connected with the main control circuit are arranged in the mounting plate; the first fine tuning assembly and the second fine tuning assembly are electrically connected with the main control circuit respectively. The utility model discloses be convenient for supplementary different children that rise use for sit the frame and be in approximate horizontally state, so that keep a good position of sitting custom, more help children or student to the study that the piano was played, form bad playing custom when also can avoiding playing the piano.

Description

Automatic lifting piano stool

Technical Field

The utility model belongs to the technical field of the piano teaching aid, concretely relates to automatic piano stool goes up and down.

Background

The piano is a keyboard instrument in Western classical music, has the beauty of the king of the instrument, has soft and flexible characteristics, can improve the aesthetic quality and quality of people after long-term practice, and is deeply loved by the masses. In recent years, with the continuous improvement of living standard of people, the king of a musical instrument, namely a piano, also enters common people, and accordingly, piano stools are more and more known, and teaching of pianos is also more and more known and valued by more and more parents, so that many parents cultivate children to learn pianos from childhood, but the existing piano stools need stools with different heights to assist the learning of children of low ages in the teaching process, so that much inconvenience is brought to the learning, and the good sitting habit cannot be easily developed. Meanwhile, the existing liftable piano stool does not realize automatic control, and the piano stool is inconvenient to lift by manually rotating knobs at two sides of the piano stool; the piano foot stool used for practicing the piano by children and the piano stool are of a split structure, and a knob is required to be manually rotated to lift the pedal plate; moreover, due to the design of the lifting structure, the stool surface is uneven, the body of a user slightly inclines, the sitting posture is improper during playing, even the finger strength method during playing is improper, the playing habit is influenced, and the piano playing learning is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide an automatic lifting piano stool.

The utility model discloses the technical scheme who adopts does:

an automatic lifting piano stool comprises a seat body and a lifting mechanism, wherein the seat body comprises a support frame and a cushion arranged on the support frame, the upper end of the support frame is connected with the lower end of the lifting mechanism, and an installation plate positioned below the cushion is fixed at the upper end of the lifting mechanism; the middle part of the mounting plate is movably connected with the cushion through a connecting part, so that a space is arranged between the mounting plate and the cushion around the connecting part; a first fine adjustment assembly and a second fine adjustment assembly which are used for adjusting an included angle between the upper surface of the cushion and the horizontal plane are connected between the mounting plate and the cushion; a main control circuit and a horizontal sensor electrically connected with the main control circuit are arranged in the mounting plate; the first fine tuning assembly and the second fine tuning assembly are electrically connected with the main control circuit respectively.

Further preferably, the first fine adjustment assembly and the second fine adjustment assembly are arranged at two ends of the cushion at intervals, and two ends of the first fine adjustment assembly and two ends of the second fine adjustment assembly are fixedly connected with the upper end face of the mounting plate and the lower end face of the seat frame respectively.

It is further preferred that the first and second fine tuning assemblies each include at least two lifting electric cylinders or lifting air cylinders.

Still further preferably, the connecting portion includes a spherical protrusion extending upward from the upper end of the mounting plate, and further includes an arc-shaped slot chute recessed inward from the lower end of the cushion, the spherical protrusion is installed in the arc-shaped slot chute in a matching manner, and the height of the spherical protrusion is greater than the depth of the slot chute.

More preferably, the lifting mechanism comprises a lifting electro-hydraulic push rod, a roller, a long hole chute and two groups of scissor rod assemblies which are arranged in parallel; an upper cross beam and a lower cross beam which are parallel to each other are arranged between the two groups of scissor assemblies, a base of the lifting electro-hydraulic push rod is hinged on the lower cross beam, and a push rod of the lifting electro-hydraulic push rod is hinged on the upper cross beam; the top end of the scissor rod assembly is fixedly connected to the bottom of the mounting plate, one side of the bottom end of the scissor rod assembly is fixedly connected to the upper end of the support frame, and the other side of the bottom end of the scissor rod assembly is provided with two rollers; the long hole sliding groove is arranged at the upper end of the support frame, and the roller is connected in the long hole sliding groove in a sliding manner; the lifting electro-hydraulic push rod stretches to drive the cushion to lift, and the roller rolls along the long-strip-hole sliding groove.

More preferably, the lower part of one side of the support frame is provided with a turnover plate which is vertical to the support frame, and one end of the turnover plate is connected with the support frame through a hinge.

The utility model has the advantages that:

the utility model discloses well elevating system realizes the lift of cushion, the child that is convenient for assist different risees uses, connecting portion realize with the free swing of connection position center cushion, level sensor is used for sending the data that detect to master control circuit in real time, first fine setting subassembly and second fine setting subassembly then realize the adjustment of cushion, guarantee the level of up end, master control circuit is used for raising or withdrawing respectively according to level sensor's first fine setting subassembly of data control and second fine setting subassembly, make the last plane of cushion keep at accurate horizontality, make the seat frame be in approximate horizontally state from this, the focus of having guaranteed the people of sitting on the cushion can not squint and take place the slope, so that keep a good position of sitting, more help child or student to the study that the piano was played, also can avoid fostering into bad habit of playing when playing the piano.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of another view angle of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1-a support frame; 2-cushion; 3, mounting a plate; 4-a first trim component; 5-a second trim component; 6-spherical bulge; 7-arc groove; 8-lifting the electro-hydraulic push rod; 9-a roller; 10-a slot with a long hole; 11-a scissor assembly; 12-an upper beam; 13-a lower cross beam; 14-flap plate.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work.

The technical solution provided by the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

In some instances, some embodiments are not described or not in detail, as they are conventional or customary in the art.

Furthermore, the technical features described herein, or the steps of all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments, in addition to the mutually exclusive features and/or steps. It will be readily appreciated by those of skill in the art that the order of the steps or operations of the methods associated with the embodiments provided herein may be varied. Any order in the drawings and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated to be required.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The terms "connected" and "coupled" when used in this application, encompass both direct and indirect connections (and couplings) where appropriate and where not necessary contradictory.

The first embodiment is as follows:

as shown in fig. 1-3, the automatic lifting piano stool of the embodiment comprises a seat body and a lifting mechanism, wherein the seat body comprises a support frame 1 and a seat cushion 2 arranged on the support frame 1, the upper end of the support frame 1 is connected with the lower end of the lifting mechanism, and an installation plate 3 positioned below the seat cushion 2 is fixed at the upper end of the lifting mechanism; the middle part of the mounting plate 3 is movably connected with the cushion 2 through a connecting part, so that a space is arranged between the mounting plate 3 and the cushion 2 around the connecting part; a first fine adjustment component 4 and a second fine adjustment component 5 which are used for adjusting the included angle between the upper surface of the cushion 2 and the horizontal plane are connected between the mounting plate 3 and the cushion 2; a main control circuit and a horizontal sensor electrically connected with the main control circuit are arranged in the mounting plate 3; the first fine tuning component 4 and the second fine tuning component 5 are electrically connected with the main control circuit respectively. In this embodiment, the position on the seat cushion 2 corresponding to the elongated hole sliding groove 10 may further be provided with a vertical through hole, so that a lubricant such as engine oil can be conveniently injected in the use process, thereby reducing the friction between the arc-shaped elongated hole sliding groove 107 and the spherical protrusion 6, facilitating the horizontal adjustment of the seat cushion 2, and the through hole may further be provided with an oil cover which is located on the upper surface of the seat cushion 2 and is installed in cooperation with the through hole, thereby preventing the lubricant from dirtying the seat cushion 2.

The lifting mechanism of the utility model realizes the lifting of the cushion 2, is convenient for assisting different lifted children to use, the connecting part realizes the free swing of the cushion 2 at the center of the connecting part, the level sensor is used for sending the detected data to the main control circuit in real time, the first fine adjustment component 4 and the second fine adjustment component 5 realize the adjustment of the cushion 2, the level of the upper end surface is ensured, the main control circuit is used for controlling the first fine adjustment component 4 and the second fine adjustment component 5 to be respectively lifted or retracted according to the data of the level sensor, so that the upper plane of the cushion 2 is kept in a quasi-horizontal state, thereby leading the seat frame to be in an approximately horizontal state, ensuring that the gravity center of a person sitting on the seat cushion 2 can not shift and incline, so as to keep a good sitting habit, be more helpful for children or students to the learning of piano playing, and also avoid the bad playing habit when playing the piano.

Example two:

the present embodiment is a further improvement on the basis of the first embodiment, and specific differences between the present embodiment and the first embodiment are as follows:

it should be further explained in this embodiment that the first fine adjustment assembly 4 and the second fine adjustment assembly 5 are disposed at two ends of the seat cushion 2 at intervals, and two ends of the first fine adjustment assembly 4 and two ends of the second fine adjustment assembly 5 are respectively and fixedly connected to the upper end surface of the mounting plate 3 and the lower end surface of the seat frame. First fine setting subassembly 4 and second fine setting subassembly 5 all include at least two lift electric jar, and first fine setting subassembly 4 and second fine setting subassembly 5 all include two, three or four lift electric jar etc. promptly, and first fine setting subassembly 4 of preferred and second fine setting subassembly 5 all set up two, and two first fine setting subassemblies 4 and two second fine setting subassemblies 5 use spherical arch 6 to set up as central symmetry, guarantee the even of atress like this, also can guarantee the stable adjustment to cushion 2. The electric jar that goes up and down also adopts to have on the market can, only need according to actual conditions select suitable size can, not in the scope of protection of this application, do not do specific restriction.

Example three:

the present embodiment is a further improvement on the basis of the second embodiment, and specific differences between the present embodiment and the second embodiment are:

it should be further noted that, in the present embodiment, the first fine tuning assembly 4 and the second fine tuning assembly 5 each include at least two lifting cylinders. The lifting cylinder is also an existing stable lifting mechanism and is strong in stability.

Example four:

the present embodiment is a further improvement made on the basis of any one of the first to third embodiments, and the specific differences between the present embodiment and any one of the first to third embodiments are as follows:

it should be further explained in this embodiment that the connecting portion includes the spherical protrusion 6 that the upper end of the mounting plate 3 extends upward and sets up, and further includes the arc-shaped long-strip-hole sliding groove 107 that the lower end of the seat cushion 2 is recessed inward, and the spherical protrusion 6 is installed in the arc-shaped long-strip-hole sliding groove 107 in a matching manner, and the height of the spherical protrusion 6 is greater than the depth of the long-strip-hole sliding groove 10. The cooperation of the spherical protrusion 6 and the arc-shaped slot 107 can enable the seat cushion 2 to swing freely within the range of the arc-shaped slot 107, so as to cooperate with the action of the first fine adjustment assembly 4 or the second fine adjustment assembly 5.

Example five:

the present embodiment is a further improvement made on the basis of any one of the first to fourth embodiments, and the specific differences between the present embodiment and any one of the first to fourth embodiments are as follows:

in this embodiment, it should be further described that the lifting mechanism includes a lifting electro-hydraulic push rod 8, a roller 9, a slot 10 and two sets of scissor rod assemblies 11 arranged in parallel; an upper cross beam 12 and a lower cross beam 13 which are parallel to each other are arranged between the two groups of scissor assemblies 11, the base of the lifting electro-hydraulic push rod 8 is hinged on the lower cross beam 13, and the push rod of the lifting electro-hydraulic push rod 8 is hinged on the upper cross beam 12; the top end of the scissor rod assembly 11 is fixedly connected to the bottom of the mounting plate 3, one side of the bottom end of the scissor rod assembly 11 is fixedly connected to the upper end of the support frame 1, and the other side of the bottom end of the scissor rod assembly 11 is provided with two rollers 9; the long-strip-hole sliding groove 10 is arranged at the upper end of the support frame 1, and the roller 9 is connected in the long-strip-hole sliding groove 10 in a sliding manner; the lifting electro-hydraulic push rod 8 stretches and retracts to drive the cushion 2 to lift, and the roller 9 rolls along the long-strip-hole sliding groove 10. The structure of the lifting mechanism is similar to that of the existing lifting platform, the lifting electro-hydraulic push rod 8 stretches and retracts to drive the upper cross beam 12 to move, the upper cross beam 12 moves to drive the scissor rod assembly 11 to open and close, and therefore the mounting plate 3 and the cushion 2 above the lifting mechanism are driven to lift and move. In this embodiment, each set of scissor assemblies includes two scissor assemblies, the two corresponding scissor assemblies are parallel to each other, and the upper cross beam 12 and the lower cross beam 13 are disposed between the corresponding set of scissor assemblies; two sets of scissor assemblies include four scissor assemblies, set up in the four sides that are located four directions for the structure is more urgent stable.

Example six:

the present embodiment is a further improvement made on the basis of any one of the first to fifth embodiments, and the specific differences between the present embodiment and any one of the first to fifth embodiments are as follows:

in this embodiment, a folding plate 14 perpendicular to the supporting frame 1 is disposed at a lower portion of one side of the supporting frame 1, and one end of the folding plate 14 is connected to the supporting frame 1 through a hinge. The turning plate 14 can be arranged between two supporting legs of the supporting frame 1 and is connected to the supporting frame 1 through a hinge, the hinge can be a hinge capable of turning over for 90 degrees, the turning plate can be turned over downwards when the turning plate needs to be unfolded, the stability after turning over is guaranteed, the turning plate 14 can be turned over upwards when the turning plate is not used, the turning plate is simple and practical, the exertion of the body of a child who is not high can be guaranteed when the child plays a piano, and as shown in fig. 1 and fig. 2, the turning plate 14 is a schematic diagram when being turned over and unfolded in fig..

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides an automatic piano bench goes up and down, includes the seat body, its characterized in that: the seat comprises a seat body and is characterized by further comprising a lifting mechanism, wherein the seat body comprises a support frame and a cushion arranged on the support frame, the upper end of the support frame is connected with the lower end of the lifting mechanism, and an installation plate positioned below the cushion is fixed at the upper end of the lifting mechanism; the middle part of the mounting plate is movably connected with the cushion through a connecting part, so that a space is arranged between the mounting plate and the cushion around the connecting part; a first fine adjustment assembly and a second fine adjustment assembly which are used for adjusting an included angle between the upper surface of the cushion and the horizontal plane are connected between the mounting plate and the cushion; a main control circuit and a horizontal sensor electrically connected with the main control circuit are arranged in the mounting plate; the first fine tuning assembly and the second fine tuning assembly are electrically connected with the main control circuit respectively.

2. The automatic lifting piano stool of claim 1, wherein: first fine setting subassembly and the second fine setting subassembly spaced set up in the both ends of cushion, and the both ends of first fine setting subassembly and the both ends of second fine setting subassembly are equallyd divide respectively with the up end of mounting panel and the lower terminal surface fixed connection of seat frame.

3. The automatic elevating piano stool as claimed in claim 2, wherein: the first fine adjustment assembly and the second fine adjustment assembly comprise at least two lifting electric cylinders or lifting air cylinders.

4. The automatic elevating piano stool as claimed in any one of claims 1 to 3, wherein: the connecting portion include the spherical arch that the mounting panel upper end upwards extended the setting, still include the arc rectangular hole spout of the inside sunken setting of cushion lower extreme, the cooperation of spherical arch install with arc rectangular hole spout in, and spherical arch highly be greater than the degree of depth of rectangular hole spout.

5. The automatic lifting piano stool of claim 1, wherein: the lifting mechanism comprises a lifting electro-hydraulic push rod, a roller, a long hole chute and two groups of parallel scissor rod assemblies; an upper cross beam and a lower cross beam which are parallel to each other are arranged between the two groups of scissor assemblies, a base of the lifting electro-hydraulic push rod is hinged on the lower cross beam, and a push rod of the lifting electro-hydraulic push rod is hinged on the upper cross beam; the top end of the scissor rod assembly is fixedly connected to the bottom of the mounting plate, one side of the bottom end of the scissor rod assembly is fixedly connected to the upper end of the support frame, and the other side of the bottom end of the scissor rod assembly is provided with two rollers; the long hole sliding groove is arranged at the upper end of the support frame, and the roller is connected in the long hole sliding groove in a sliding manner; the lifting electro-hydraulic push rod stretches to drive the cushion to lift, and the roller rolls along the long-strip-hole sliding groove.

6. The automatic lifting piano stool of claim 1, wherein: the lower part of one side of the supporting frame is provided with a turnover plate which is vertical to the supporting frame, and one end of the turnover plate is connected with the supporting frame through a hinge.