CN216249960U

CN216249960U - Adjustable piano pedal heightening device

Info

Publication number: CN216249960U
Application number: CN202122291419.5U
Authority: CN
Inventors: 孙莱
Original assignee: Shandong University Of Arts
Current assignee: Shandong University Of Arts
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-04-08
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses an adjustable piano pedal heightening device, which comprises a lower shell, wherein one side of the inner wall of the lower shell is provided with a fixed sliding sleeve; the upper shell is sleeved on the upper part of the lower shell, and two sides of the front end of the top of the upper shell are provided with limiting grooves with the same size; the adjusting mechanism comprises an axle lever inserted into the inner wall of the fixed sliding sleeve and penetrating through one side wall of the lower shell, wide gears are arranged at two ends of the inner portion of the lower shell on the axle lever, a lifting rod is perpendicularly attached to one side of each wide gear, teeth of a meshing structure are formed between the lifting rod and the corresponding wide gear, when the piano pedal needs to be lifted, a rotating handle can be directly rotated, the rotating handle can drive the axle lever and the two wide gears to rotate synchronously, the wide gears can push the lifting rod to move upwards in a meshed mode when rotating, and therefore the lifting rod can push the upper shell and the piano pedal to vertically lift, and the reverse operation is the same.

Description

Adjustable piano pedal heightening device

Technical Field

The utility model relates to the technical field of piano pedal heightening devices, in particular to an adjustable piano pedal heightening device.

Background

In the prior art, the piano pedal is an important part for changing volume and tone, but the piano pedal is generally fixed and lower in position, the height of a child is low in the teaching process, so that partial children can not conveniently or even step on the pedal, although some regulators (called heighteners for short) capable of heightening the pedal are arranged at present, most of heighteners in the market only play a single heightening role, and the partial heighteners are easy to shake left and right after being lifted, and because the heel parts of the two feet often form friction with the upper surface of the heighteners, the upper surface is abraded, meanwhile, the two feet are not convenient to flexibly rotate, and the practicability is to be enhanced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable piano pedal height increaser, which solves the problems that the height increaser proposed in the background art is not stable enough after being lifted and needs to be strengthened in use and practicability.

In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable piano pedal height booster, comprising:

one side of the inner wall of the lower shell is provided with a fixed sliding sleeve;

the upper shell is sleeved on the upper part of the lower shell, and two sides of the front end of the top of the upper shell are provided with limiting grooves with the same size;

the adjusting mechanism comprises a shaft lever which is inserted into the inner wall of the fixed sliding sleeve and penetrates through one side wall of the lower shell, wide gears are arranged at two ends of the shaft lever, which are positioned in the lower shell, one side of each wide gear is vertically attached with a lifting rod and teeth which are arranged on the lifting rod and form a meshing structure with the corresponding wide gear, and a rotating handle is arranged at the tail end of the shaft lever, which penetrates through one side wall of the lower shell;

the heel rotation plate is embedded in the inner side of the limit groove.

Preferably, a support plate is attached to the opposite side of the lifting rod to the teeth, a linear guide rail which forms a vertical sliding structure with the front side of the lifting rod is arranged on the inner side of the support plate, and a fixed integrated structure is arranged between the bottom of the support plate and the lower shell;

the top of the lifting rod is fixedly connected with the upper shell, and the lifting rod vertically supports the upper shell.

Preferably, one side of the rotating handle is fixedly provided with a spline block, one side of the spline block is provided with a fixing sleeve fixedly connected with the lower shell, and a spline groove corresponding to the spline block is formed in one circle of the inner diameter of the fixing sleeve.

Preferably, the bottom of the heel spinning plate is provided with a ball bearing which is rotatably connected with the limiting groove, the upper part of the heel spinning plate is provided with a non-slip mat with convex points distributed on the surface, and the upper surface of the heel spinning plate and the upper surface of the upper shell are positioned on the same horizontal line.

Preferably, anti-skidding foot pads are further arranged on the periphery of the bottom of the lower shell, and the top of the lower shell is embedded in the inner side wall of the upper shell.

Preferably, the rear part of the upper end of the upper shell is provided with a backboard with a vertical structure, and three pedals are horizontally distributed on one side of the backboard facing the upper shell.

Compared with the prior art, the utility model has the beneficial effects that:

(one) through adjustment mechanism's setting, it can go on steadily going up and down to increasing the ware to in time locking it after going up and down to accomplish, also avoid it to appear when using rocking about simultaneously.

(II) through the setting of two heel spinning boards, ball bearing and slipmat, it can make the player more nimble when carrying out foot wrench movement and switching action, can not form wearing and tearing to the upper portion that increases the ware in step.

Drawings

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

FIG. 2 is a schematic view of the front view of the internal structure of the present invention;

FIG. 3 is a schematic structural diagram of the front face of the fixing sleeve and the spline block of the present invention;

fig. 4 is a schematic perspective view of the heel spin plate of the present invention.

In the figure: 100. a lower housing; 110. fixing the sliding sleeve; 120. anti-skid foot pads; 200. an upper housing; 210. a back plate; 220. a foot pedal; 230. a limiting groove; 300. an adjustment mechanism; 310. a shaft lever; 320. a wide gear; 330. a lifting rod; 340. teeth; 350. a support plate; 360. a linear guide rail; 370. turning a handle; 380. a spline block; 390. fixing the sleeve; 3901. a spline groove; 400. a heel spin plate; 410. a ball bearing; 420. a non-slip mat.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The utility model provides an adjustable piano pedal heightening device, which can stably and horizontally lift the upper part of the heightening device, avoid the upper part from shaking, improve the vertical supporting force and simultaneously enable the twisting switching action of two feet to be more flexible when in use.

Referring to fig. 1 to 4, which are schematic views illustrating the overall structure of an adjustable piano pedal height increaser according to the present invention, referring to fig. 1 to 4, the main body of the adjustable piano pedal height increaser according to the present embodiment comprises a lower case 100, an upper case 200, an adjusting mechanism 300, and a heel spin plate 400.

Lower casing 100, its inner wall one side is provided with fixed sliding sleeve 110, the bottom of lower casing 100 still is provided with anti-skidding callus on the sole 120 all around, and the top of lower casing 100 gomphosis in the inside wall of last casing 200, lower casing 100 plays the effect that forms the bottom and bear to whole rising ware, anti-skidding callus on the sole 120 can avoid appearing the side to move between lower casing 100 and the ground and skid, fixed sliding sleeve 110 is convenient for the beam 310 to do the pulling of minim, and play the spacing effect of taking the support.

Go up casing 200, its cover is located the upper portion of casing 100 down, the top front end both sides of going up casing 200 are provided with the spacing groove 230 that the size is the same, the upper end rear portion of going up casing 200 is provided with vertical structure's backplate 210, the face of backplate 210 is to one side horizontal distribution of casing 200 has three running-board 220, it can be fixed to go up casing 200 to install backplate 210, backplate 210 can carry out spacing installation and firm to running-board 220 to make things convenient for the user bipedal to trample.

The adjusting mechanism 300 comprises a shaft lever 310 inserted into the inner wall of the fixed sliding sleeve 110 and penetrating through one side wall of the lower shell 100, a wide gear 320 is arranged at two ends of the inner part of the lower shell 100 on the shaft lever 310, a lifting rod 330 is vertically attached to one side of the wide gear 320, teeth 340 which are arranged on the lifting rod 330 and form a meshing structure with the wide gear 320 are vertically attached to one side of the wide gear, a rotating handle 370 is arranged at the tail end of one side wall of the lower shell 100 through which the shaft lever 310 penetrates, a supporting plate 350 is attached to the opposite side of the lifting rod 330 to the teeth 340, a linear guide rail 360 which forms a vertical sliding structure with the front part of the lifting rod 330 is arranged on the inner side of the supporting plate 350, and a fixed integral structure is formed between the bottom of the supporting plate 350 and the lower shell 100; wherein, the top of the lifting rod 330 is fixedly connected with the upper shell 200, the lifting rod 330 has a vertical supporting effect on the upper shell 200, when the piano pedal needs to be lifted, the rotary handle 370 can be directly rotated, the rotary handle 370 can drive the shaft rod 310 and the two wide gears 320 to synchronously rotate, the wide gears 320 can push the lifting rod 330 engaged with the wide gears to move upwards when rotating, so that the lifting rod 330 can push the upper shell 200 and the piano pedal to vertically lift, the reverse operation is the same, the supporting plate 350 can form a side support for the lifting rod 330 to avoid dislocation between the lifting rod and the wide gears 320, the linear guide rail 360 can make the lifting rod 330 more smooth when moving upwards and downwards and play a role of matching the supporting plate 350, a spline block 380 is fixedly arranged on one side of the rotary handle 370, a fixing sleeve 390 fixedly connected with the lower shell 100 is arranged on one side of the spline block 380, a spline groove 3901 corresponding to the spline block 380 is arranged on one circle of the inner diameter of the fixing sleeve 390, when the upper case 200 and the piano pedal are lifted and adjusted, they need to be stabilized to prevent the lifting rod 330 from automatically sliding downwards, so that the handle 370 and the spline block 380 can be directly pushed after adjustment, and the spline block 380 will be embedded in the spline groove 3901 inside the fixed sleeve 390 to form a locked state, so that the shaft rod 310 and the wide gear 320 will be firmly stabilized, and the lifting rod 330 engaged with the wide gear 320 will be prevented from freely sliding downwards.

Heel is from rotating plate 400, it gomphosis in the inboard of spacing groove 230, heel is from rotating plate 400's bottom be provided with and constitute swivelling joint's ball bearing 410 between the spacing groove 230, heel is from rotating plate 400's upper portion be provided with surface distribution have bump-like slipmat 420, lie in same water flat line between heel is from rotating plate 400's upper surface and the upper surface of last casing 200, the upper surface of increase ware is promptly gone up casing 200 and is protected although there is the piano baking finish, but cause obvious wearing and tearing when using for a long time, and the diversion wrench movement of heel is also not nimble enough, can form certain resistance, consequently two heel are from rotating plate 400 and are convenient for the user to set up two feet heels wherein, also make the wrench movement of two feet more nimble when avoiding causing wearing and tearing, simultaneously slipmat 420's setting has also greatly increased frictional force and adhesive force between two feet and heel from rotating plate 400, avoid appearing skidding.

In summary, in the adjustable piano pedal height increaser of the present embodiment, firstly, when the height increaser and the pedal 200 need to be lifted, the rotating handle 370 can be directly rotated, the rotating handle 370 can drive the shaft rod 310 and the two wide gears 320 to rotate synchronously, the wide gears 320 can push the lifting rod 330 engaged therewith to move upwards when rotating, so that the lifting rod 330 can push the upper shell 200 and the piano pedal to vertically lift, the same is true for the reverse operation, the supporting plate 350 can form a side support for the lifting rod 330 to avoid the dislocation between the lifting rod and the wide gears 320, meanwhile, the rotating handle 370 and the spline block 380 can be directly pushed after adjustment, at this time, the spline block 380 can be embedded in the spline groove 3901 inside the fixing sleeve 390 and forms a stuck state, so that the shaft rod 310 and the wide gears 320 can be firmly fixed, and the lifting rod 330 engaged with the wide gears 320 can be prevented from freely sliding downwards, finally, because the upper surface of the height increasing device, namely, the upper shell 200, can cause obvious wear when being used for a long time, and the turning wriggling of heel is also not flexible enough, can form certain resistance, therefore two heel spin boards 400 are convenient for the user to set up the heel of both feet wherein, also make the wriggling of both feet more flexible when avoiding causing wear, simultaneously the setting of slipmat 420 has also greatly increased frictional force and adhesion between both feet and heel spin board 400, avoid appearing skidding.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an adjustable piano footboard increases ware which characterized in that includes:

a fixed sliding sleeve (110) is arranged on one side of the inner wall of the lower shell (100);

the upper shell (200) is sleeved at the upper part of the lower shell (100), and two sides of the front end of the top of the upper shell (200) are provided with limiting grooves (230) with the same size;

the adjusting mechanism (300) comprises a shaft lever (310) which is inserted into the inner wall of the fixed sliding sleeve (110) and penetrates through one side wall of the lower shell (100), wide gears (320) are arranged at two ends of the inner part of the lower shell (100) on the shaft lever (310), a lifting rod (330) is vertically attached to one side of each wide gear (320), teeth (340) which form a meshing structure with the wide gears (320) and are arranged on the lifting rod (330) are arranged, and a rotating handle (370) is arranged at the tail end of the shaft lever (310) which penetrates through one side wall of the lower shell (100);

a heel rotation plate (400) which is embedded in the inner side of the limit groove (230).

2. The adjustable piano pedal height increaser according to claim 1, wherein: a support plate (350) is attached to the opposite side of the lifting rod (330) on the tooth (340), a linear guide rail (360) which forms a vertical sliding structure with the front side of the lifting rod (330) is arranged on the inner side of the support plate (350), and a fixed integrated structure is arranged between the bottom of the support plate (350) and the lower shell (100);

the top of the lifting rod (330) is fixedly connected with the upper shell (200), and the lifting rod (330) has a vertical supporting effect on the upper shell (200).

3. The adjustable piano pedal height booster of claim 2, wherein: a spline block (380) is fixedly arranged on one side of the rotary handle (370), a fixing sleeve (390) fixedly connected with the lower shell (100) is arranged on one side of the spline block (380), and a spline groove (3901) corresponding to the spline block (380) is formed in one circle of the inner diameter of the fixing sleeve (390).

4. The adjustable piano pedal height booster of claim 3, wherein: the bottom of heel whirl board (400) be provided with constitute swivelling joint's ball bearing (410) between spacing groove (230), the upper portion of heel whirl board (400) is provided with surface distribution has bump-like slipmat (420), the upper surface of heel whirl board (400) with lie in same water flat line between the upper surface of last casing (200).

5. The adjustable piano pedal height booster of claim 4, wherein: the bottom of the lower shell (100) is also provided with anti-skidding foot pads (120) all around, and the top of the lower shell (100) is embedded in the inner side wall of the upper shell (200).

6. The adjustable piano pedal height booster of claim 5, wherein: the back part of the upper end of the upper shell (200) is provided with a back plate (210) with a vertical structure, and three pedals (220) are horizontally distributed on one side of the back plate (210) facing the upper shell (200).