CN210672744U

CN210672744U - Multifunctional household piano stool

Info

Publication number: CN210672744U
Application number: CN201921449057.4U
Authority: CN
Inventors: 周国强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-05
Anticipated expiration: 2029-09-03

Abstract

The utility model relates to the technical field of household piano matching tools, in particular to a multifunctional household piano stool, which comprises a top plate and supporting legs, wherein the top plate of the piano stool is turned over and adjusted to increase the using area of the stool along the long-edge extension direction of the piano stool, and a first layer plate and a second layer plate are turned over along the short edge to form a simple table and increase the using function of the piano stool; the second stabilizer blade of piano bench can be buckled and make the bench warp for bow-shaped, thereby change its shape and increase its adjustable scope, but the inside eyelet wheel of landing leg is impressed to the atress is installed to the landing leg bottom of piano, makes things convenient for the removal and the fixing of bench, and the roof underrun of piano bench has the useful placing object article's of a plurality of spring mounting to put the thing board, has very big practicality.

Description

Multifunctional household piano stool

Technical Field

The utility model relates to a domestic piano appurtenance technical field, concretely relates to multi-functional domestic piano stool.

Background

The piano is a keyboard instrument in western classical music, has the name of the king of the instrument, and is the instrument with the widest range except for the pipe organ. The player pulls the small mallets in the piano by pressing the keys on the keyboard, and then strikes the strings to produce sound. With the improvement of living standard and material condition, the piano also gradually walks into a plurality of families, and the piano of most families is purchased by parents for children to cultivate speciality, because the piano occupies a certain space, for some rooms with smaller area, the piano occupies too much space for placing, which affects the daily use of the room, in addition, the matched piano stool is generally only used during piano practice and can not be folded, the distance between the piano and the bed is very small after the piano is placed in some rooms, so that the distance between the piano stool and the piano is too small during piano practice, the piano practicing person can not be seated at a proper position, the piano practice is not facilitated, and the body growth of children is not facilitated; in addition, when the operation of double playing such as four-hand gang playing, the piano stool has a small area, so that the operation is inconvenient, the piano stool is generally heavy, great movement and stillness can be caused during moving, and the simple structure of the piano stool with the bottom provided with the idler wheels can be easily moved and is inconvenient to use during practicing the piano.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a household transformable multipurpose piano stool, the top plate of the piano stool is folded to increase the using area of the stool along the extending direction of the long edge of the piano stool, and the first layer plate and the second layer plate are folded along the short edge to form a simple table, so as to increase the using function of the piano stool; the second stabilizer blade of piano bench can be buckled and make the bench warp for bow-shaped, thereby change its shape and increase its adjustable scope, but the inside eyelet wheel of landing leg is impressed to the atress is installed to the landing leg bottom of piano, makes things convenient for the removal and the fixing of bench, and the roof underrun of piano bench has the useful placing object article's of a plurality of spring mounting to put the thing board, has very big practicality.

The utility model provides a multifunctional household piano stool for solving the problem of upper complaint, which comprises a top plate and supporting legs, wherein the top plate comprises a first layer plate, a second layer plate and a third layer plate which are rectangular, the first layer plate is positioned above the second layer plate and comprises a first movable plate and a second movable plate which are hinged, the first movable plate and the second movable plate are distributed along the length direction of the first layer plate, the short edge of the first layer plate corresponding to the side where the first movable plate is positioned is hinged with the short edge of the second layer plate, the second movable plate and the first layer plate are respectively turned over, the lower surface of the first movable plate is parallel and level with the upper surface of the second layer plate, the second movable plate is vertical to the first movable plate, thereby the service area of the piano stool is increased along the long edge direction of the top plate, the second layer plate is positioned above the third layer plate and is hinged with the long edge side of the third layer plate, the first layer plate and the second layer, the piano stool can be deformed into a desk by enabling the bottom surface of the second layer plate to be flush with the upper surface of the third layer plate, and the four supporting legs are fixedly connected to four corners of the bottom surface of the third layer plate respectively.

As the utility model relates to a further scheme of multi-functional domestic piano bench, the landing leg is square hollow tube, and the inside horizontal installation of landing leg has face central authorities to set up the mounting panel of mounting hole, and the vertical installation pole of wearing to be equipped with in the mounting hole, and the installation piece has set firmly on the body of rod that the installation pole is close to the landing leg inside, and the bull's eye wheel is installed to the other end, and the cover is equipped with the spring on the body of rod that the installation pole is located between bull's eye wheel and the mounting panel, and the gyro wheel of bull's eye wheel is in the.

As a further proposal of the multifunctional household piano stool, the bottom end of the supporting leg is fixedly provided with a baffle, and the baffle is provided with an opening for the roller of the bull's eye wheel to pass through.

As a further scheme of the multifunctional household piano stool of the present invention, the support leg includes two first support legs and two second support legs, the two first support legs are distributed along one long side of the top plate, the bottom end of the first support leg is hinged with a support rod through a spring reset hinge, a rod body of the support rod is hinged with a support rod through a spring reset hinge, a stopper is fixedly arranged in the middle of the first support leg, and the support rod is perpendicular to the first support leg when the support rod and the support rod are respectively turned over to enable the end of the support rod to prop against the lower part of the stopper; the limiting groove of U-shaped has set firmly along the minor face direction of roof between first stabilizer blade and the second stabilizer blade, and the second stabilizer blade includes articulated upper boom, king-rod and lower beam in order, and the body of rod of king-rod just blocks in the limiting groove when the terminal top of messenger's lower beam is in the stopper top through buckling.

As a further scheme of the multifunctional household piano stool, the upper rod and the middle rod are square rods with an open side and hollow inside, two ends of the middle rod are open, a first through hole and a strip-shaped hole are formed in an end panel at the bottom end of the upper rod, and the first through hole is communicated with the outside of the end panel of the upper rod through the strip-shaped hole; the second through hole has been seted up on the inside cavity of lower beam and the end panel on its top, and pull rod mechanism is worn to be equipped with in the activity of king-rod to pull rod mechanism's both ends respectively with upper boom and lower beam swing joint, so that upper boom, king-rod and the lower beam fastening connection of second stabilizer blade.

As a further scheme of the utility model relates to a multi-functional domestic piano bench, drawbar mechanism includes sleeve, connecting rod and regulating block, and the sleeve is the isometric and the open hollow tube in both ends with the king-rod, and the connecting rod is worn to establish in the sleeve, the tip rigid coupling that the second through-hole was passed and was located the lower beam in the bottom of connecting rod has the fixture block, and the top of connecting rod is passed first through-hole and is located and be equipped with the external screw thread on the body of rod of upper boom, and the top at the connecting rod is established soon to the regulating block, the diameter of connecting rod is not more than the width in bar hole so that drawbar mechanism can pull down from the end panel of upper boom, and telescopic diameter is not more than the diameter of second through-hole so that drawbar mechanism can the second through-hole after pulling down from the end panel of upper boom not sink into inside the lower beam to when upper boom, king-rod and lower boom are in same straight line, first through-hole.

As a further aspect of the present invention, a multifunctional household piano stool, wherein the side of the strut away from one side of the first leg is provided with a roller.

As a further proposal of the utility model, the bottom surface of the third layer board is provided with a storage board, which is connected with the bottom surface of the third layer board through a plurality of springs evenly connected at the outer edge thereof.

Compared with the prior art, the utility model following beneficial effect has:

1. the first layer plate at the top of the top plate is divided into a first movable plate and a second movable plate which are arranged along the long edge and are hinged, the short edge of the first layer plate corresponding to the side where the first movable plate is located is hinged with the short edge of the second layer plate, the second movable plate and the first layer plate can be turned over to enable the second movable plate to be supported on the ground so as to increase the using area of the stool along the long edge of the top plate, and the whole plate surface of the second layer plate and the first movable plate is a new top surface of the piano stool; the second layer plate and the third layer plate of the piano stool are turned over along the hinge joint for 180 degrees, and the second movable plate is in a turning state and is supported, so that the piano stool can be used as a simple table to increase the practicability of the table.

2. The inside of cavity landing leg is equipped with the mounting panel, vertical installation is indulged the pipe and is indulged intraductal installation pole of wearing to be equipped with in the mounting panel, the installation piece has set firmly on the body of rod that the installation pole is close to tip in the landing leg, the bull's eye wheel is installed to the other end, the installation pole is located bull's eye wheel and indulges the body of rod between the pipe and overlaps and be equipped with the spring, thereby the position of bull's eye wheel is impressed in the landing leg is fixed when sitting the person on the piano, thereby the spring pops out some of bull.

3. The limiting blocks are arranged on the rod bodies of the first support legs, the bottom ends of the first support legs are hinged with support rods through spring reset hinges, the rod bodies of the support rods are hinged with support rods through the spring reset hinges, the second support legs comprise upper rods, middle rods and lower rods which are sequentially hinged, the tail ends of the lower rods can be propped against the upper portions of the limiting blocks of the first support legs by bending the second support legs, the tail ends of the support rods and the support rods can be propped against the lower portions of the limiting blocks, the support rods are perpendicular to the first support legs at the moment, therefore, a piano stool supported by the four support legs is changed into an arched chair, when the piano stool is used in a bedroom, the bed body is located between the top plate and the support rods; a stretching mechanism capable of stretching and fixing the second supporting leg is movably arranged in the second supporting leg.

Drawings

FIG. 1 is a schematic view of the usage state of the piano stool adjusting leg of the present invention;

FIG. 2 is a schematic view of the piano stool of the present invention adjusting the first layer board in use;

FIG. 3 is a schematic view showing a state of the piano stool of the present invention when the second laminate is folded;

FIG. 4 is a schematic view of the mounting structure of the bull's eye wheel of the piano stool of the present invention;

FIG. 5 is a schematic view showing the mounting structure of the second leg of the piano stool according to the present invention;

reference numerals: 1. the adjustable support plate comprises a first layer plate, 2, a second layer plate, 3, a third layer plate, 4, a first movable plate, 5, a second movable plate, 6, a mounting plate, 7, a support beam, 8, a bull-eye wheel, 9, a baffle plate, 10, a first support leg, 11, a support rod, 12, a support rod, 13, a limiting block, 14, a limiting groove, 15, an upper rod, 16, a middle rod, 17, a lower rod, 18, a sleeve, 19, a connecting rod, 20 and an adjusting block.

Detailed Description

As shown in the figure: a multifunctional household piano stool comprises a top plate and supporting legs, wherein the top plate comprises a first layer plate 1, a second layer plate 2 and a third layer plate 3 which are rectangular and are arranged in parallel and are oppositely arranged, the supporting legs are provided with four corners which are respectively and vertically fixedly connected to the bottom surface of the third layer plate 3, the first layer plate 1 is positioned above the second layer plate 2 and comprises a first movable plate 4 and a second movable plate 5 which are distributed along the length direction of the first layer plate 1, the first movable plate 4 and the second movable plate 5 are hinged through adjacent plate edges, the second movable plate 5 can be turned over towards the upper part of the plate surface around the hinged part, the short edge of the part of the first layer plate 1 corresponding to the first movable plate 4 is hinged with the short edge of the second layer plate 2, the other side edges of the first layer plate 1 and the second layer plate 2 are provided with buckles capable of buckling to synchronously turn over the first layer plate 5 and the second layer plate 1 respectively when the buckles are loosened, the lower surface of the first movable plate 4 is flush with the upper surface of the second laminate 2, and the second movable plate 5 is perpendicular to the first movable plate 4, so that the use area of the piano stool is increased along the long side direction of the top plate; second plywood 2 is located the top of third plywood 3 and the long avris of the two is articulated, and the buckle lock closes first plywood 1 and second plywood 2 as an organic whole back, turns over a first plywood 1 and second plywood 2 simultaneously along articulated department, makes the bottom surface of second plywood 2 and the upper surface parallel and level of third plywood 3 can make the piano stool warp into the desk, the below of third plywood 3 is equipped with the thing board of putting that is used for placing article such as musical instrument register, and the flange of putting the thing board is connected with the other end of a plurality of springs and spring and connects the bottom surface at third plywood 3.

The supporting legs are square hollow tubes, a mounting plate 6 with a mounting hole in the center of the plate surface is horizontally arranged in the supporting legs close to the bottom ends, a mounting rod vertically penetrates through the mounting hole, a mounting block is fixedly arranged on a rod body of the mounting rod close to one end in the supporting legs and cannot pass through a through hole to play a limiting role, a spring is sleeved on the rod body of the mounting rod between the eyelet wheel 8 and the bottom surface of the mounting plate 6, a baffle 9 is fixedly arranged at the bottom ends of the supporting legs, openings for allowing rollers of the eyelet wheel 8 to pass through are formed in the baffle 9, the spring is in a compressed state, when a person sits on the piano stool, the roller parts of the eyelet wheel 8 pass through the openings of the baffle 9 and are positioned outside the supporting legs under the action of the spring, at the moment, the stool can be easily pushed without generating noise, when the person sits on the piano stool, the spring is compressed, the eyelet wheel 8 is pressed into, the stool is prevented from sliding in the use process; preferably, a hollow longitudinal pipe can be vertically arranged at the mounting hole of the mounting plate 6, the spring is in a compressed state through the extrusion of the top of the bull-eye wheel 8 and the bottom end of the longitudinal pipe, and the longitudinal pipe can enable the mounting rod to move in a telescopic mode along the direction of the longitudinal pipe.

The supporting legs comprise two first supporting legs 10 and two second supporting legs, the two first supporting legs 10 and the two second supporting legs are respectively distributed along one long edge of the top plate, the bottom surface of the third layer plate 3 is fixedly connected with limiting grooves 14 along two short edges respectively, each limiting groove 14 is a U-shaped groove with a downward notch, the groove width of each limiting groove is not smaller than the width of each second supporting leg along the length direction of the top plate, two supporting beams 7 are arranged on the bottom surface of the top plate, the supporting beams 7 are parallel to the long edge direction of the top plate, and two ends of each supporting beam 7 are respectively fixedly connected onto the corresponding limiting groove 14 to increase the strength of the top plate; the bottom end of the first support leg 10 is hinged with a support bar 11 through a spring return hinge, the middle part of the support bar 11 is provided with a groove along the length direction, a rod body of the support bar 11 is hinged with a support bar 12 through a spring return hinge, the width of the support bar 12 is not more than the groove width so that the support bar can be folded in the groove, the middle part of the first support leg 10 is fixedly provided with a limit block 13, the positions of the support bar 12 and the support bar 11 corresponding to the limit block 13 are provided with openings, so that the limit block 13 cannot influence when the support bar 12 and the support bar 11 are folded on the first support leg 10, the support bar 11 is folded to be vertical to the first support leg 10, the support bar 12 is folded to enable the tail end of the support bar to be propped against the; the second supporting leg comprises an upper rod 15, a middle rod 16 and a lower rod 17 which are sequentially hinged, when the tail end of the lower rod 17 is pressed against the limiting block 13 through bending, the rod body of the middle rod 16 is just clamped in the limiting groove 14, and therefore the stability of the bow-shaped piano stool is enhanced. When the piano stool is used in a bedroom, the support rod 11 of the piano stool extends into the lower portion of the bed body, one portion of the top plate is located above the bed body, and the bedroom space can be effectively utilized to increase the distance between the piano stool and the piano, so that the piano stool is convenient to use. The body of the brace 11 near the end can be provided with a roller wheel, which can be a bull-eye wheel and is mounted in the same way as the bull-eye wheel at the bottom end of the support leg, so as to facilitate use and position adjustment, and can also be a common small universal roller wheel.

The upper rod 15 and the middle rod 16 of the second support leg are square rods with one open side and hollow interiors, two ends of the middle rod 16 are open, a first through hole and a strip-shaped hole are formed in an end panel at the bottom end of the upper rod 15, and the first through hole is communicated with the exterior of the end panel of the upper rod 15 through the strip-shaped hole so as to facilitate the disassembly of the top end of the stretching mechanism; the lower rod 17 is hollow, a second through hole is formed in the end panel at the top end of the lower rod 17, a pull rod mechanism is movably arranged in the middle rod 16, and two ends of the pull rod mechanism are respectively movably connected with the upper rod 15 and the lower rod 17, so that the upper rod 15, the middle rod 16 and the lower rod 17 of the second support leg are fixedly connected, and the piano stool is prevented from shaking when supported by the four support legs; the pull rod mechanism comprises a sleeve 18, a connecting rod 19 and an adjusting block 20, the sleeve 18 is a hollow pipe which is equal to the middle rod 16 in length and has two open ends, the connecting rod 19 is arranged in the sleeve 18 in a penetrating manner, the bottom end of the connecting rod 19 penetrates through a second through hole, a clamping block is fixedly connected to the end part of the connecting rod 19 which is positioned in the lower rod 17, the top end of the connecting rod 19 penetrates through a first through hole, an external thread is arranged on a rod body which is positioned in the upper rod 15, the adjusting block 20 is arranged at the top end of the connecting rod 19 in a rotating manner, the diameter of the connecting rod 19 is not more than the width of a strip-shaped hole so that the pull rod mechanism can be detached from an end panel of the upper rod 15, the diameter of the sleeve 18 is not more than the diameter of a second through hole so that the second through hole can sink into the lower rod 17 after the pull rod mechanism is detached from the end panel of the upper rod 15, when the upper rod 15, the middle rod 16 and the, the adjusting block 20 is screwed to be tightly attached to the bottom end face plate of the upper rod 15, the pull rod mechanism connects the upper rod 15, the middle rod 16 and the lower rod 17 through the clamping block at the bottom and the adjusting block 20 at the top, the upper rod 15 and the lower rod 17 are pulled to be closed at two end parts of the middle rod 16, when the piano stool needs to be changed into the bow stool, the adjusting block 20 is loosened to loosen the pull rod mechanism, the connecting rod 19 is disassembled along the strip-shaped hole on the bottom end face plate of the upper rod 15, the whole pull rod mechanism can sink into the lower rod 17 along the second through hole of the top end face plate of the lower rod 17, the second support foot can be conveniently adjusted according to the use requirement and does not influence the deformation of the piano stool, the top end of the pull rod mechanism is flush with the top end face plate of the lower rod 17, the arc-shaped groove is arranged on the top end face plate of the lower rod 17 so as to be manually pulled out of the pull rod mechanism, and when the upper rod 15, the middle rod 16 and the lower rod 17, so that the adjustment block 20 located below can abut against the end plate of the lower rod 17 when the sleeve 18 and the adjustment block 20 are extended integrally to secure the second leg.

The utility model relates to a multi-functional piano bench that flexible used, when needing to carry on the situation that four hands ally oneself with to play or need two people to sit together, loosen the buckle of connecting first plywood 1 and second plywood 2, turn over a second movable plate 5 and a first plywood 1, make the flange of second movable plate 5 prop up ground, the person's area that can sit of piano bench is enlarged to the sum of the area of first plywood 1 and first movable plate 4 from the original first plywood 1; when the table needs to be used as a simple table, the first movable plate 4 of the first layer plate 1 is buckled with the second layer plate 2 through a buckle, the second layer plate 2 is turned over by 180 degrees to enable the bottom surface of the second layer plate 2 to be flush with the top surface of the third layer plate 3, the length of the second movable plate 5 is the same as the height of the supporting legs, and the second movable plate can be turned over by 90 degrees to be supported in an auxiliary mode while the piano stool is deformed into the table; when the piano is used in a bedroom and the distance between the piano and the piano stool is too close to the bed, the top end of the pull rod mechanism is detached from a strip-shaped hole on an end panel positioned at the bottom of the upper rod 15, the whole pull rod mechanism is immersed into the lower rod 17 from the second through hole, the support rod 11 and the support rod 12 of the first support 10 are turned over, so that the tail end of the support rod 12 is propped against the lower part of the limiting block 13, the second support is bent, so that the rod 16 is clamped in the limiting groove 14, the tail end of the lower rod 17 is propped against the upper part of the limiting block 13, and the top plate of the piano stool and one part of the support rod 11 can be respectively positioned above and below the bed body, so that the movable range of the piano stool is enlarged and the piano; when the piano stool is normally used, two ends of the pull rod mechanism are respectively positioned in the upper rod 15 and the lower rod 17, the adjusting block 20 is rotated to enable the top end of the sleeve 18 and the adjusting block 20 to be matched and clamped with the bottom end panel of the upper rod 15, the clamping block and the bottom end of the sleeve 18 are matched and clamped with the top end panel of the lower rod 17, and therefore three sections of rods of the second support leg are stretched and fixed to prevent the piano stool from shaking.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims

1. A multi-functional domestic piano bench which characterized in that: comprises a top plate and supporting legs, wherein the top plate comprises a first layer plate (1), a second layer plate (2) and a third layer plate (3) which are rectangular, the first layer plate (1) is positioned above the second layer plate (2) and comprises a first movable plate (4) and a second movable plate (5) which are hinged, the first movable plate (4) and the second movable plate (5) are distributed along the length direction of the first layer plate (1), the short side of the first layer plate (1) corresponding to the side where the first movable plate (4) is positioned is hinged with the short side of the second layer plate (2), the second movable plate (5) and the first layer plate (1) are respectively turned over, the lower surface of the first movable plate (4) is parallel and level with the upper surface of the second layer plate (2), the second movable plate (5) is perpendicular to the first movable plate (4), so that the use area of the piano stool is increased along the long side direction of the top plate, the second layer plate (2) is positioned above the third layer plate (3) and the long side of the second layer, first plywood (1) and second plywood (2) are turned over simultaneously along articulated department, make the bottom surface of second plywood (2) and the upper surface parallel and level of third plywood (3) can make the piano bench warp into the desk, the landing leg has four and respectively the four corners of rigid coupling in third plywood (3) bottom surface.

2. A multifunctional household piano stool as claimed in claim 1, wherein: the landing leg is square hollow tube, and the inside horizontal installation of landing leg has mounting panel (6) that the mounting hole was seted up to face central authorities, and the vertical installation pole of wearing to be equipped with in the mounting hole, installation piece has set firmly on the body of rod that the installation pole is close to landing leg inside, and bull's eye wheel (8) are installed to the other end, and the cover is equipped with the spring on the body of rod that the installation pole is located between bull's eye wheel (8) and mounting panel (6), and the gyro wheel of bull's eye wheel (8) is in the outside of landing.

3. A multifunctional household piano stool as claimed in claim 2, wherein: the bottom of landing leg sets firmly baffle (9), sets up the opening that the gyro wheel that is used for bull's eye wheel (8) to pass on baffle (9).

4. A multifunctional household piano stool as claimed in claim 1, wherein: the supporting legs comprise two first supporting legs (10) and two second supporting legs, the two first supporting legs (10) are distributed along one long edge of the top plate, the bottom ends of the first supporting legs (10) are hinged to supporting rods (11) through spring resetting hinges, the rod bodies of the supporting rods (11) are hinged to supporting rods (12) through spring resetting hinges, limiting blocks (13) are fixedly arranged in the middle of the first supporting legs (10), and the supporting rods (11) and the supporting rods (12) are respectively turned over to enable the tail ends of the supporting rods (12) to be propped against the lower portions of the limiting blocks (13), so that the supporting rods (11) are perpendicular to the first supporting legs (10); the U-shaped limiting groove (14) is fixedly arranged between the first supporting leg (10) and the second supporting leg along the short side direction of the top plate, the second supporting leg comprises an upper rod (15), a middle rod (16) and a lower rod (17) which are hinged in sequence, and the rod body of the middle rod (16) is just clamped in the limiting groove (14) when the tail end of the lower rod (17) is pushed against the upper side of the limiting block (13) through bending.

5. The multifunctional household piano stool of claim 4, wherein: the upper rod (15) and the middle rod (16) are square rods with one open side and hollow interiors, two ends of the middle rod (16) are open, a first through hole and a strip-shaped hole are formed in an end panel at the bottom end of the upper rod (15), and the first through hole is communicated with the outer portion of the end panel of the upper rod (15) through the strip-shaped hole; the second through hole has been seted up on the inside cavity of lower beam (17) and the end panel on its top, and draw bar mechanism is worn to be equipped with in well pole (16) the activity to draw bar mechanism's both ends respectively with upper boom (15) and lower beam (17) swing joint, so that upper boom (15), well pole (16) and lower beam (17) fastening connection of second stabilizer blade.

6. The multifunctional household piano stool of claim 5, wherein: the pull rod mechanism comprises a sleeve (18), a connecting rod (19) and an adjusting block (20), the sleeve (18) is a hollow tube which is equal to the middle rod (16) in length and has two open ends, the connecting rod (19) is arranged in the sleeve (18) in a penetrating manner, the bottom end of the connecting rod (19) penetrates through a second through hole and is positioned in the lower rod (17) and fixedly connected with a clamping block, the top end of the connecting rod (19) penetrates through a first through hole and is positioned on a rod body in the upper rod (15) and provided with an external thread, the adjusting block (20) is arranged at the top end of the connecting rod (19) in a rotating manner, the diameter of the connecting rod (19) is not more than the width of a strip-shaped hole so that the pull rod mechanism can be detached from an end panel of the upper rod (15), the diameter of the sleeve (18) is not more than the diameter of the second through hole so that the pull rod mechanism can sink into the lower rod (17) after being detached from the end panel of the upper rod (15), and when the upper rod (15), the, the first through hole and the second through hole are not opposite.

7. The multifunctional household piano stool of claim 4, wherein: and a roller is arranged on the side surface of the support rod (11) far away from one side of the first support leg (10).

8. A multifunctional household piano stool as claimed in claim 1, wherein: the bottom surface of the third layer plate (3) is provided with a storage plate, and the storage plate is connected to the bottom surface of the third layer plate (3) through a plurality of springs uniformly connected to the outer edge of the storage plate.