CN207993461U - A kind of height-adjustable piano practice is foot-operated - Google Patents
A kind of height-adjustable piano practice is foot-operated Download PDFInfo
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- CN207993461U CN207993461U CN201820211325.8U CN201820211325U CN207993461U CN 207993461 U CN207993461 U CN 207993461U CN 201820211325 U CN201820211325 U CN 201820211325U CN 207993461 U CN207993461 U CN 207993461U
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- shaped rod
- screw
- strut
- height
- foot
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Abstract
It is foot-operated that the utility model discloses a kind of height-adjustable piano practices, including pedestal and lifting platform, and the pedestal is equipped with L-type plate, and the L-type plate is equipped with pressing plate, and the pressing plate is equipped with linkage unit；Leading screw is equipped in the pedestal, the leading screw is equipped with the first screw and the second screw, and first screw is equipped with the first strut, and second screw is equipped with the second strut, and the end of first strut and second strut is equipped with pushing block；The linkage unit includes the first l-shaped rod, the second l-shaped rod, telescopic rod and connecting plate.The foot-operated gradual children corrected so as to fit different heights that height is realized by the screw-driven lifting platform on pedestal, while the setting of the first l-shaped rod and the second l-shaped rod realizes save effort functional；The setting of this outer spring and adjusting nut be furthermore achieved it is laborsaving trample, when trampling, spring discharges potential energy, and then cuts down the resistance trampled of a part.
Description
Technical field
It is foot-operated that the utility model is related to a kind of height-adjustable piano practices.
Background technology
The healthy growth of child and the culture of overall qualities are self-evident for the importance of each family, still, child
Into after the study stage, qin is carried out before being often sitting in piano for a long time, therefore, piano training market is extremely fiery at present
It is quick-fried, it is available in all varieties from piano to training.However, the development with society with advances in technology, condition for study of the people to child
Demand it is higher and higher, a single piano cannot close the needs of people, it is difficult to meet Modern Family's child's pedagogy
The requirement of qin.
It can be seen that with the development of the times, people with greater need for the piano of integrated multiple functions and the auxiliary facility of piano,
How to design, manufactures one and become each producer and market demand person with soft pedal that is multi-functional and facilitating study
Strong desire.
Due to the height problem of children, sole is touched at all less than piano bottom when usual sitting posture qin when children learn qin early stage
The pedal in portion can not be successfully the performance or performance of smooth one Shoudu Iron and Steel Co qin song of completion.But in the prior art, children's
Music stool or foot-operated general unadjustable is learned, it is even more impossible to gradually correct to suitable height, causes to adjust suitable bench plate face height
Process take consumption energy；In addition there is also the devices that some can adjust height in the prior art, but these devices are general
It is the tune that height is realized by the adjusting rod that an adjustable for height pedestal, an elastic pedal and two can stretch
Section, although this kind of device realizes the adjusting of height, but virtually increase the resistance for trampling soft pedal, and also lacks
Effort-saving mechanism, the smaller children of some strength trample piano can be very painstaking, is played when being unfavorable for long.
Utility model content
For above-mentioned technical deficiency, the purpose of this utility model is to provide a kind of height-adjustable piano practice
It is foot-operated, sampling unit and heating unit are set in shell, provides electrical energy drive heating unit by battery pack and sampling is single
Motor inside member, is extracted and is heated to pitch to be sampled, ensure that the mobility of pitch, facilitate manual operation and fortune
It is defeated.
In order to solve the above technical problems, the utility model adopts the following technical solution：
It is foot-operated that the utility model provides a kind of height-adjustable piano practice, including pedestal and can be movably arranged at
Lifting platform on the pedestal, is fixedly installed L-type plate on the lifting platform, and hingedly there are three uniformly for setting on the L-type plate
The pressing plate of arrangement, is respectively provided with that there are one linkage units on each pressing plate；The quadrangle of the lifting platform, which is provided with, to be uniformly distributed
Guide post, the telescopic hole for guide post sliding is offered on the corresponding pedestal, being provided in the pedestal can
The leading screw of rotation, one end of the leading screw are provided with the regulating wheel rotated coaxially with the leading screw, the center of the leading screw
Place is provided with limited post, and the leading screw is located at the thread rotary orientation of the limited post both sides on the contrary, the both sides of the limited post are symmetrical
It is provided with the first screw and the second screw, is symmetrical arranged on first screw there are two the first strut, on second screw
Second strut there are two being symmetrical arranged, the structure of first strut is identical as the structure of the second strut, first support
Bar has pushing block, the pushing block to be fixed on the lifting platform with the end set of second strut far from the leading screw；
The linkage unit includes the first l-shaped rod being rotatably arranged on the pressing plate, can telescopically be arranged
The second l-shaped rod in first l-shaped rod, the telescopic rod that can be telescopically arranged in second l-shaped rod and can
The connecting plate being rotatably arranged on the telescopic rod, first l-shaped rod and second l-shaped rod in the same plane, institute
State the rectangular channel for offering on L-type plate and passing through for first l-shaped rod, it is universal that one end of first l-shaped rod is provided with first
Ball is provided with bearing on the corresponding pressing plate, and spherical for first multi-directional ball rotation is offered in the bearing
One inner cavity, the centre of sphere of the first inner chamber are less than the centre of sphere of first multi-directional ball, and first l-shaped rod is far from the described 10000th
It is equipped with the first clamping screw to the end thread of ball, several equally distributed first tune are offered in second l-shaped rod
Knothole, first clamping screw are pushed against across first l-shaped rod in first adjustment hole, and second l-shaped rod is remote
End thread from first l-shaped rod is equipped with the second clamping screw, and offering several on the telescopic rod is uniformly distributed
The second adjustment hole, second clamping screw is pushed against across second l-shaped rod in second adjustment hole；The connection
Slot is offered on plate, Screw assembly has third clamping screw on the connecting plate.
Preferably, spring is nested in first l-shaped rod, Screw assembly has adjusting nut in first l-shaped rod, institute
The one end for stating spring is pushed against on the adjusting nut, and the other end of the spring is pushed against on the rectangular channel.
Preferably, end set of the telescopic rod far from second l-shaped rod has the second multi-directional ball, the corresponding company
The spherical second inner chamber for second multi-directional ball rotation is provided on fishplate bar, the centre of sphere of second multi-directional ball is less than described
The centre of sphere of second inner chamber.
Preferably, it is provided with protection rubber pad in the slot.
Preferably, it is provided with anti-skid rubber cushion on the L-type plate.
Preferably, it is provided with anti-skidding stria on the pressing plate.
Preferably, several equally distributed suckers are arranged in the bottom of the pedestal.
The beneficial effects of the utility model are：This is ridden realizes height by the screw-driven lifting platform on pedestal
The children so as to fit different heights are gradually corrected, while the setting of the first l-shaped rod and the second l-shaped rod realizes save effort functional,
Pass through and adjust extension elongation of second l-shaped rod in the first l-shaped rod, you can change the dynamics trampled, in addition linkage can
Tonality also can adapt to the pedal of different pianos so that the foot-operated adaptability is improved；This outer spring and adjusting nut
Setting be furthermore achieved it is laborsaving trample, by adjusting nut change spring decrement, when trampling, spring discharge gesture
Can, and then cut down the resistance that a part is trampled.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the front view (part that a kind of height-adjustable piano practice that the utility model embodiment provides is ridden
Section view)；
Fig. 2 be Fig. 1 in A-A to sectional view；
Fig. 3 is the enlarged drawing in the portions B in Fig. 1；
Fig. 4 is the structural schematic diagram of linkage unit.
Reference sign：1- pedestals, 11- leading screws, 111- limited posts, 112- regulating wheels, the first screws of 12-, 121-
One strut, the second screws of 13-, the second struts of 131-, 14- pushing blocks, 2- lifting platforms, 21- guide posts, 3-L templates, 4- connecting rod lists
Member, the first l-shaped rods of 41-, the first multi-directional balls of 411-, 412- adjusting nuts, the first clamping screws of 413-, the second l-shaped rods of 42-,
The first adjustment holes of 421-, the second clamping screws of 422-, 43- telescopic rods, 44- connecting plates, 441- slots, 442- third locking screws
Bolt, 5- pressing plates, 51- bearings.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figures 1 to 4, a kind of height-adjustable piano practice is foot-operated, including pedestal 1 and can movably be arranged
Lifting platform 2 on pedestal 1, is fixedly installed L-type plate 3 on lifting platform 2, and hingedly there are three be evenly arranged for setting on L-type plate 3
Pressing plate 5, is respectively provided with that there are one linkage units 4 on each pressing plate 5；The quadrangle of lifting platform 2 is provided with equally distributed guide post 21,
The telescopic hole slided for guide post 21 is offered on corresponding pedestal 1, and the leading screw 11 that can be rotated, leading screw are provided in pedestal 1
11 one end is provided with the regulating wheel 112 rotated coaxially with leading screw 11, and the center position of leading screw 11 is provided with limited post 111,
Leading screw 11 is located at the thread rotary orientation of 111 both sides of limited post on the contrary, the both sides of limited post 111 are symmetrically arranged with the first screw 12 and
Two screws 13 are symmetrical arranged on first screw 12 there are two the first strut 121, are symmetrical arranged that there are two second on the second screw 13
Strut 131, the structure of the first strut 121 is identical as the structure of the second strut 131, and the first strut 121 and the second strut 131 are separate
The end set of leading screw 11 has pushing block 14, pushing block 14 to be fixed on lifting platform 2, wherein one end of the first strut 121 and the
One screw 12 is hinged, and the other end of the first strut 121 is hinged with pushing block 14, and one end of the second strut 131 is cut with scissors with the second screw 13
It connects, the other end and pushing block 14 of the second strut 131 are hinged；
Linkage unit 4 includes that the first l-shaped rod 41 on pressing plate 5 is rotatably arranged, can telescopically be arranged the
It the second l-shaped rod 42 in one l-shaped rod 41, the telescopic rod 43 that can be telescopically arranged in the second l-shaped rod 42 and can rotate
The connecting plate 44 on telescopic rod 43 is arranged in ground, and the first l-shaped rod 41 and the second l-shaped rod 42 in the same plane, are opened on L-type plate 3
Equipped with the rectangular channel passed through for the first l-shaped rod 41, one end of the first l-shaped rod 41 is provided with the first multi-directional ball 411, corresponding pressing plate
It is provided with bearing 51 on 5, the spherical first inner chamber rotated for the first multi-directional ball 411 is offered in bearing 51, first inner chamber
The centre of sphere is less than the centre of sphere of the first multi-directional ball 411, and end thread of first l-shaped rod 41 far from the first multi-directional ball 411 is equipped with first
Clamping screw 413 offers several equally distributed first adjustment holes 421, the first clamping screw 413 in second l-shaped rod 42
It is pushed against in the first adjustment hole 421 across the first l-shaped rod 41, end thread assembly of second l-shaped rod 42 far from the first l-shaped rod 41
There is the second clamping screw 422, several equally distributed second adjustment holes, the second clamping screw 422 are offered on telescopic rod 43
It is pushed against in the second adjustment hole across the second l-shaped rod 42；Offer slot 441 on connecting plate 44, Screw assembly on connecting plate 44
There are third clamping screw 442, wherein slot 441 to be inserted on the pedal on piano, third clamping screw 442 is pushed against on piano
On pedal.
It is nested with spring 6 in first l-shaped rod 41, Screw assembly has an adjusting nut 412 in the first l-shaped rod 41, and the one of spring 6
End is pushed against on adjusting nut 412, and the other end of spring 6 is pushed against on rectangular channel.
End set of the telescopic rod 43 far from the second l-shaped rod 42 has the second multi-directional ball, is provided on corresponding connecting plate 44
For the spherical second inner chamber of the second multi-directional ball rotation, the centre of sphere of the second multi-directional ball is less than the centre of sphere of second inner chamber.
Protection rubber pad is provided in slot 441.
It is provided with anti-skid rubber cushion on L-type plate 3.
Anti-skidding stria is provided on pressing plate 5.
Several equally distributed suckers are arranged in the bottom of pedestal 1.
It is placed in place in use, being ridden this by sucker, passes through the third clamping screw on connecting plate 44
Connecting plate 44 is fixed on riding for piano by 442, then according to the height of itself, regulating wheel 112 is rotated, to the height of L-type plate 3
Degree is adjusted, and then adjusts linkage unit 4 by the first clamping screw 413 and the second clamping screw 422 and arrives suitable position
It sets, wherein the dynamics trampled can be changed by changing the length that the second l-shaped rod 42 is inserted in the first l-shaped rod 41, changes telescopic rod 43
The length being inserted in the second l-shaped rod 42 can change the height of pressing plate 5；In addition foot-operated after installation is complete at this, it can be further
By rotating adjusting nut 412, spring 6 is compressed, further laborsaving operation is carried out by the potential energy of spring 6, is needed
It should be noted that when adjusting nut 412 is adjusted, when not treading on pressing plate 5, the elastic force of spring 6 will not make steel
The pedal depression of qin.
The foot-operated gradual amendment that height is realized by the screw-driven lifting platform on pedestal in the utility model, makes
It is suitble to the children of different heights, while the setting of the first l-shaped rod and the second l-shaped rod realizes save effort functional, by adjusting the
Extension elongation of two l-shaped rods in the first l-shaped rod, you can change the dynamics trampled, in addition the adjustability of linkage also can
Adapt to the pedal of different pianos so that the foot-operated adaptability is improved；The setting of this outer spring and adjusting nut is further
Realize it is laborsaving trample, by adjusting nut change spring decrement, when trampling, spring discharge potential energy, Jin Erxiao
Subtract the resistance that a part is trampled.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (7)
1. a kind of height-adjustable piano practice is foot-operated, which is characterized in that including pedestal and can be movably arranged at described
Lifting platform on pedestal, is fixedly installed L-type plate on the lifting platform, and hingedly there are three be evenly arranged for setting on the L-type plate
Pressing plate, be respectively provided with that there are one linkage units on each pressing plate；The quadrangle of the lifting platform is provided with equally distributed lead
Xiang Zhu offers the telescopic hole for guide post sliding on the corresponding pedestal, is provided with and can rotate in the pedestal
Leading screw, one end of the leading screw is provided with the regulating wheel rotated coaxially with the leading screw, and the center position of the leading screw is set
It is equipped with limited post, the leading screw is located at the thread rotary orientation of the limited post both sides on the contrary, the both sides of the limited post are symmetrical arranged
There are the first screw and the second screw, is symmetrical arranged on first screw there are two the first strut, it is symmetrical on second screw
There are two the second strut, the structure of first strut is identical with the structure of the second strut for setting, first strut and
The end set of second strut far from the leading screw has pushing block, the pushing block to be fixed on the lifting platform；
The linkage unit includes the first l-shaped rod being rotatably arranged on the pressing plate, can telescopically be arranged in institute
It states the second l-shaped rod in the first l-shaped rod, the telescopic rod that can be telescopically arranged in second l-shaped rod and can rotate
Ground is arranged the connecting plate on the telescopic rod, first l-shaped rod with second l-shaped rod in the same plane, the L-type
The rectangular channel passed through for first l-shaped rod is offered on plate, one end of first l-shaped rod is provided with the first multi-directional ball, right
It is provided with bearing on the pressing plate answered, is offered in the bearing in spherical first for first multi-directional ball rotation
Chamber, the centre of sphere of the first inner chamber are less than the centre of sphere of first multi-directional ball, and first l-shaped rod is far from first multi-directional ball
End thread be equipped with the first clamping screw, several equally distributed first adjustment holes are offered in second l-shaped rod,
First clamping screw is pushed against first adjustment hole across first l-shaped rod, and second l-shaped rod is far from described
The end thread of one l-shaped rod is equipped with the second clamping screw, several equally distributed second tune are offered on the telescopic rod
In knothole, second clamping screw is pushed against across second l-shaped rod in second adjustment hole；It is opened on the connecting plate
Equipped with slot, Screw assembly has third clamping screw on the connecting plate.
2. a kind of height-adjustable piano practice as described in claim 1 is foot-operated, which is characterized in that first l-shaped rod
On be nested with spring, Screw assembly has adjusting nut, one end of the spring to be pushed against the adjusting spiral shell in first l-shaped rod
On mother, the other end of the spring is pushed against on the rectangular channel.
3. a kind of height-adjustable piano practice as described in claim 1 is foot-operated, which is characterized in that the telescopic rod is separate
The end set of second l-shaped rod has the second multi-directional ball, is provided on the corresponding connecting plate for second multi-directional ball
The spherical second inner chamber of rotation, the centre of sphere of second multi-directional ball are less than the centre of sphere of the second inner chamber.
4. a kind of height-adjustable piano practice as described in claim 1 is foot-operated, which is characterized in that setting in the slot
There is protection rubber pad.
5. a kind of height-adjustable piano practice as described in claim 1 is foot-operated, which is characterized in that set on the L-type plate
It is equipped with anti-skid rubber cushion.
6. a kind of height-adjustable piano practice as described in claim 1 is foot-operated, which is characterized in that be arranged on the pressing plate
There is anti-skidding stria.
7. a kind of height-adjustable piano practice as described in claim 1 is foot-operated, which is characterized in that the bottom of the pedestal
Several equally distributed suckers are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820211325.8U CN207993461U (en) | 2018-02-06 | 2018-02-06 | A kind of height-adjustable piano practice is foot-operated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820211325.8U CN207993461U (en) | 2018-02-06 | 2018-02-06 | A kind of height-adjustable piano practice is foot-operated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207993461U true CN207993461U (en) | 2018-10-19 |
Family
ID=63822881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820211325.8U Expired - Fee Related CN207993461U (en) | 2018-02-06 | 2018-02-06 | A kind of height-adjustable piano practice is foot-operated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207993461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859723A (en) * | 2018-12-29 | 2019-06-07 | 华南农业大学 | A kind of height-adjustable soft pedal auxiliary device |
-
2018
- 2018-02-06 CN CN201820211325.8U patent/CN207993461U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859723A (en) * | 2018-12-29 | 2019-06-07 | 华南农业大学 | A kind of height-adjustable soft pedal auxiliary device |
| CN109859723B (en) * | 2018-12-29 | 2022-11-22 | 华南农业大学 | But height-adjusting's piano footboard auxiliary device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20200206 |