CN207924952U - A kind of split type piano hand-type rectifier - Google Patents
A kind of split type piano hand-type rectifier Download PDFInfo
- Publication number
- CN207924952U CN207924952U CN201721052966.5U CN201721052966U CN207924952U CN 207924952 U CN207924952 U CN 207924952U CN 201721052966 U CN201721052966 U CN 201721052966U CN 207924952 U CN207924952 U CN 207924952U
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- Prior art keywords
- supporting rod
- support rod
- fixed
- movable support
- cylindrical drum
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- 210000000707 wrist Anatomy 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000003796 beauty Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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Abstract
The utility model belongs to piano aided education devices field, discloses a kind of split type piano hand-type rectifier.Including a U-shaped supporting rod, the U-shaped supporting rod fixes support bar group by a lateral main support rod and with the integrally formed two sides in its both ends at fixation supporting rod in two sides is respectively front and back respectively to be rotatablely connected a side movable support rod；The outside that supporting rod is fixed in two sides is respectively arranged a cylindrical drum, and one end end point that two side movable support rods stretch out cylindrical drum is threaded with nut, spring is arranged on the side movable support rod between nut and cylindrical drum；A fixed plate is respectively fixedly connected on the upper surface of two cylindrical drums respectively, the left and right ends of fixed plate respectively set a mounting hole.The utility model piano hand-type rectifier usually when not used, is located at below Piano central disk bottom surface, and the used time only needs gently one to draw a folding.
Description
Technical field
The utility model belongs to piano aided education devices field, and in particular to a kind of split type piano hand-type rectifier.
Background technology
Piano beginner can be often to raise wrist, keep finger tip tap key and it is worried, often form it is flat finger, collapse
Wrist, pickpocket such as refer at the nonstandard hand-type.These nonstandard hand-types are difficult to correct, or cannot be kept again after correcting, nearly all
The child for learning qin can encounter this problem.It is crucial that early stage begining to learn piano, it should just focus on the training of hand-type, if
It is deep-rooted to allow some bad habits to form, inevitably from now on can also be unintentionally if succeeding even if being corrected in the future
Restore once again, in the future continue learn and improve playing technique cause major obstacles, so this is also most to enable parent's headache
Problem.And as corrected not in time, its great interest to piano can be influenced, to narrowly miss with the dream of pianist.It is existing
Piano hand-type rectifier in the market is all split type, but needs to assemble and clip is clipped in Piano central disk bottom surface
Locking a door with piano could use between shelves, and operation is very cumbersome；To avoid existing split type piano hand-type rectifier cumbersome
Defect, applicant applied for the patent of two integral type piano hand-type rectifiers before this, but the disadvantage is that the one
Formula piano hand-type rectifier is integrated with piano, and sometimes will result in piano and hand-type rectifier in this way cannot take into account simultaneously
Situation because like a certain piano sometimes, but it is without hand-type rectifier, and the piano with hand-type rectifier oneself
It does not like.
Utility model content
To overcome the shortcoming of existing split type piano hand-type rectifier and integral type piano hand-type rectifier, this reality
It is designed to provide a kind of split type piano hand-type rectifier easily to operate with novel.
To achieve the above object, the technical solution that the utility model is taken is as follows：
A kind of split type piano hand-type rectifier, including a U-shaped supporting rod, the U-shaped supporting rod is by a laterally main support
Bar and support bar group is fixed at supporting rod is fixed in two sides, and respectively front and back rotation connects respectively with the integrally formed two sides in its both ends
Connect a side movable support rod；The outside that supporting rod is fixed in two sides is respectively arranged a cylindrical drum, the length of cylindrical drum
The length of the sides ＜ movable support rod（The lower limit of the length of cylindrical drum is not construed as limiting, but preferably greater than supporting rod is fixed in side
Length）, one end end point that two side movable support rods stretch out cylindrical drums is threaded with nut, nut and cylindrical drum it
Between side movable support rod on be arranged with spring, the outer diameter of the outer diameter ＜ cylindrical drums of the internal diameter ＜ springs of cylindrical drum（Ensure bullet
Spring ensures cylindrical drum also into not going in spring inner ring into not going in cylindrical drum）, the outer diameter of outer diameter >=cylindrical drum of nut
（Ensure nut into not going in cylindrical drum）；A fixed plate is respectively fixedly connected on the upper surface of two cylindrical drums respectively, it is fixed
The left and right ends of plate respectively set a mounting hole.
Preferably, the diameter of diameter=side movable support rod of supporting rod is fixed in the diameter of lateral main support rod=side；
The diameter that the internal diameter of cylindrical drum fixes supporting rod with side is adapted（It is slightly larger than）, supporting rod and side are fixed with side
Movable support rod can just in cylindrical drum it is free to slide be it is best, if the internal diameter of cylindrical drum much larger than side fix supporting rod
Diameter, may feel that entire hand-type rectifier is shaking during use.
Preferably, the structure of front and back rotation connection is between side fixation supporting rod and side movable support rod：Side is solid
Determine to be milled with plates in the middle part of one end of supporting rod, be milled in the middle part of one end of side movable support rod compatible with plates recessed
Slot offers corresponding screw hole on the plates and two sides of groove, and plates are inserted into groove, and support is fixed in side
Front and back turn is realized by the mating connection of the screw hole on screw and plates and groove between bar and side movable support rod
Dynamic connection.
In use, the lateral surface of Piano central disk and shelves of locking a door can be sometimes close to by fixing supporting rod due to two sides, because
This is preferably provided with protective film to prevent plowing from qin body in the peripheral surface of two sides fixation supporting rod.
For piano user when playing the musical instrument, wrist is that the variation of song is followed to be moved on lateral main support rod back and forth, horizontal
It is generally metal material to main support rod, if wrist is directly contacted with lateral main support rod, will be rubbed between the two
So that hurt wrist, therefore, preferred sliding sleeve sets that there are two plastic sleeve, length and human body wrist width on lateral main support rod
It is adapted, the plastics that the preferred surface of material of plastic sleeve is smooth, hard, self lubricity are good, such wrist can be placed on modeling
Expect sleeve above, as long as and wrist with song gently one sliding, will drive plastic sleeve along lateral main support rod back and forth
Sliding, in this way, friction mode translates into the friction between plastic sleeve and lateral main support rod.
Advantageous effect：
1, it is to be rotatablely connected that side, which is fixed between supporting rod and side movable support rod, adjustable angle between the two,
Supporting rod is fixed in side can both be close to the lateral surface of Piano central disk and shelves of locking a door, and can also adjust outward, therefore can fit
The wrist of different people is answered, adjusts and arrives comfort optimum state；
2, in use, pulling out lateral main support rod, drive side fix supporting rod and side movable support rod to
Outer movement is until the tie point that side is fixed between supporting rod and side movable support rod just exposes cylindrical drum, at this time by side
Fixed supporting rod, which is folded upward at, can be used；Since cylindrical drum is fixed in drawing process, then spring is just by nut
Compression, under the elastic force effect of spring, side fixation supporting rod lower end and the lateral surface of Piano central disk and shelves of locking a door are snugly
Tighter, entire hand-type rectifier is more firm；When not used, gently side fixation supporting rod is lowered into and side movable support rod
Linearly, under the restoring force of spring, side movable support rod fixes supporting rod with side and puts in cylindrical drum, entire hand again
Type rectifier is just accommodated in below Piano central disk bottom surface, does not influence the beauty of piano at all；
3, it is close to be arranged with a rubber sleeve isometric with it, rubber in the transverse support bar of existing split type piano rectifier
Set cannot slide in transverse support bar, and rubber is soft materials and has elasticity, when wrist moves back and forth above, always
It can be stuck, will result in wrist pain for a long time, but the utility model can be slided back and forth using two plastic sleeves
It moves and does not have elasticity, wrist would not be stuck and hurt wrist；
4, the utility model piano hand-type rectifier is separated with piano, after buying the piano oneself admired, passes through peace
Two fixed plates are separately fixed at Piano central disk bottom surface by dress hole can install hand-type rectifier close to preceding edge, usually
When not used, it is located at below Piano central disk bottom surface, the used time only needs gently one to draw a folding.
Description of the drawings
Fig. 1：The overlooking structure diagram of the utility model；
Fig. 2：The cooperation schematic diagram of supporting rod and side movable support rod is fixed in side（It overlooks）；
Wherein, reference numeral is：Supporting rod is fixed in 1--U shape supporting rods, 11-- transverse direction main support rods, the sides 121--,
1211-- plates, the sides 122-- movable support rod, 1221-- grooves, 2-- plastic sleeves, 3-- cylindrical drums, 4-- nuts, 5--
Spring, 6-- fixed plates, 7-- mounting holes, 8-- screws.
Specific implementation mode
It elaborates with reference to embodiments to the technical solution of the utility model, but the scope of protection of the utility model
It is not limited thereto.
Embodiment 1
As shown in Figure 1 and 2, a kind of split type piano hand-type rectifier, including a U-shaped supporting rod 1, the U-shaped supporting rod 1
It is formed by a lateral main support rod 11 and with the integrally formed two sides fixation supporting rod 121 in its both ends, support is fixed in two sides
Bar 121 is respectively front and back respectively to be rotatablely connected a side movable support rod 122, there are two sliding sleeve is set on lateral main support rod 11
Plastic sleeve 2, the peripheral surface that supporting rod 121 is fixed in two sides are equipped with protective film, diameter=side of lateral main support rod 11
The diameter of diameter=side movable support rod 122 of fixed supporting rod 121；The outside that supporting rod 121 is fixed in two sides respectively covers
If a cylindrical drum 3 simultaneously extends the outside for being set in side movable support rod 122, the internal diameter of cylindrical drum 3 is fixed slightly larger than side
The diameter of supporting rod 121 fixes supporting rod 121 with side and side movable support rod 122 can just be in cylindrical drum 3 freely
It is best to slide, the length of the sides the length ＜ movable support rod 122 of the length ＜ cylindrical drums 3 of side fixation supporting rod 121, two
One end end point that a side movable support rod 122 stretches out cylindrical drum 3 is threaded with nut 4, nut 4 and cylindrical drum 3 it
Between side movable support rod 122 on be arranged with spring 5, the outer diameter of the outer diameter ＜ cylindrical drums 3 of the internal diameter ＜ springs 5 of cylindrical drum 3
（Ensure spring 5 into not going in cylindrical drum 3, while ensureing cylindrical drum 3 also into not going in 5 inner ring of spring）, outer diameter=circle of nut 4
The outer diameter of column casing 3（Ensure nut 4 into not going in cylindrical drum 3）；It is respectively fixedly connected with one respectively on the upper surface of two cylindrical drums 3
The left and right ends of a fixed plate 6, fixed plate 6 respectively set a mounting hole 7.Wherein, supporting rod 121 and side activity branch are fixed in side
The structure of front and back rotation connection is between strut 122：One end middle part that supporting rod 121 is fixed in side is milled with plates 1211, side
It is milled with groove 1221 compatible with plates 1211 in the middle part of one end of side movable support rod 122, it is on plates 1211 and recessed
Corresponding screw hole is offered on the two sides of slot 1221, plates 1211 are inserted into groove 1221, and supporting rod 121 is fixed in side
Pass through the mating connection of the screw hole on screw 8 and plates 1211 and groove 1221 between side movable support rod 122
Realize front and back rotation connection.
When installation, two fixed plates 6 are separately fixed at close to preceding edge by Piano central disk bottom surface by mounting hole 7.
In use, pulling out lateral main support rod 11, side is driven to fix supporting rod 121 and side movable support rod 122 outward
The mobile tie point fixed between supporting rod 121 and side movable support rod 122 up to side just exposes cylindrical drum 3, at this time
Side fixation supporting rod 121 is folded upward at and can be used；Since cylindrical drum 3 is fixed in drawing process, then bullet
Spring 5 is just compressed by nut 4, and under the elastic force effect of spring 5, side fixes 121 lower end of supporting rod and Piano central disk and locks a door
The lateral surface of shelves is snugly tighter, and entire hand-type rectifier is more firm.When not used, gently side fixation supporting rod 121 is put
Down toward linearly, under the restoring force of spring 5, side movable support rod 122 is solid with side with side movable support rod 122
Determine supporting rod 121 and put in cylindrical drum 3 again, entire hand-type rectifier is just accommodated in below Piano central disk bottom surface, not at all
Influence the beauty of piano.
Claims (5)
1. a kind of split type piano hand-type rectifier, it is characterised in that：Including a U-shaped supporting rod, the U-shaped supporting rod is by a cross
Support bar group is fixed at before supporting rod difference is fixed respectively in two sides to main support rod and with the integrally formed two sides in its both ends
It is rotatablely connected a side movable support rod afterwards；The outside that supporting rod is fixed in two sides is respectively arranged a cylindrical drum, cylinder
The length of the sides the length ＜ movable support rod of cylinder, one end end point screw thread that two side movable support rods stretch out cylindrical drum connect
It is connected to nut, spring is arranged on the side movable support rod between nut and cylindrical drum, the internal diameter ＜ springs of cylindrical drum
The outer diameter of outer diameter ＜ cylindrical drums, the outer diameter of outer diameter >=cylindrical drum of nut；Each self-retaining is distinguished on the upper surface of two cylindrical drums
A fixed plate is connected, the left and right ends of fixed plate respectively set a mounting hole.
2. split type piano hand-type rectifier as described in claim 1, it is characterised in that：Side fixes supporting rod and lives with side
The structure of front and back rotation connection is between dynamic supporting rod：One end middle part that supporting rod is fixed in side is milled with plates, side activity
It is milled with groove compatible with plates in the middle part of one end of supporting rod, is offered on plates and on the two sides of groove opposite
The screw hole answered, plates are inserted into groove, and side, which is fixed between supporting rod and side movable support rod, passes through screw and plates
And front and back rotation connection is realized in the mating connection of the screw hole on groove.
3. split type piano hand-type rectifier as claimed in claim 1 or 2, it is characterised in that：The diameter of lateral main support rod=
The diameter of diameter=side movable support rod of supporting rod is fixed in side；The internal diameter of cylindrical drum fixes the diameter of supporting rod with side
It is adapted.
4. split type piano hand-type rectifier as claimed in claim 1 or 2, it is characterised in that：Supporting rod is fixed in two sides
Peripheral surface is equipped with protective film.
5. split type piano hand-type rectifier as claimed in claim 1 or 2, it is characterised in that：It is slided on lateral main support rod
It is arranged there are two plastic sleeve, length is adapted with human body wrist width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052966.5U CN207924952U (en) | 2017-08-22 | 2017-08-22 | A kind of split type piano hand-type rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052966.5U CN207924952U (en) | 2017-08-22 | 2017-08-22 | A kind of split type piano hand-type rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207924952U true CN207924952U (en) | 2018-09-28 |
Family
ID=63611690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721052966.5U Expired - Fee Related CN207924952U (en) | 2017-08-22 | 2017-08-22 | A kind of split type piano hand-type rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207924952U (en) |
-
2017
- 2017-08-22 CN CN201721052966.5U patent/CN207924952U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |