CN205028638U - Upright piano action's back of body shelves strut - Google Patents
Upright piano action's back of body shelves strut Download PDFInfo
- Publication number
- CN205028638U CN205028638U CN201520590108.0U CN201520590108U CN205028638U CN 205028638 U CN205028638 U CN 205028638U CN 201520590108 U CN201520590108 U CN 201520590108U CN 205028638 U CN205028638 U CN 205028638U
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- shelves
- strut
- sound
- body shelves
- support
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Abstract
The utility model discloses an upright piano action's back of body shelves strut, including aluminium back of the body shelves, system sound shelves, back of the body shelves strut and total shelves, aluminium back of the body shelves pass through the screw fixation on a strut pole of back of the body shelves strut, the other end strut pole upper end of back of the body shelves strut is through screw fixedly connected with system sound shelves, the lower extreme passes through screw fixed connection with total shelves. This upright piano action's back of body shelves strut, because that middle pitch support and high pitch support interval compare is longer, it is crooked to result in making the sound shelves to produce when receiving the collision of system sound lead screw and rock, this practicality utilizes a back of the body shelves strut to make system sound shelves and total shelves and fixed being in the same place of aluminium back of the body shelves, has solved the problem that the bending of sound shelves was rocked of making, simple structure, practicality characteristics such as strong.
Description
Technical field
The utility model relates to piano striking machine apparatus field, is specially a kind of back of the body shelves support of upright piano action.
Background technology
String is the source of sound of all stringed musical instruments, and namely sound does not adjust string on time, makes to reach standard pitch.The commercial designations of string is piano wire, is be specially the special steel wire that musical instrument produces and manufacture.These are different in size, the sounding body being arranged in piano that the different string of diameter, tension force is orderly, i.e. allow, and namely the formation core of allow is be made up of the string of different length, different-diameter and tension force.String on piano, has been divided five sections when fixing, and wherein the 3rd section is effectual chord length, the vibration that namely this section sends be delivered to soundboard and hear by us.Other one, two, four, five section of chord length all belongs to invalid chord length, and vibration is not passed to soundboard.The principle of dual harmonic series is then settle a metal acoustic resonance device in the 5th section of invalid chord length, excites the vibration of this section of string, thus sends abundant overtone.A lot of people says that the high pitch of Shi Tanwei has the sensation of kind of metallic sound, and Here it is has the effect that abundant overtone produces.
Due to middle pitch support and high pitch set spacing long, sound shelves processed can be caused to bend, and produce rock when being subject to sound screw mandrel processed collision.
Utility model content
This practical purpose is to overcome the shortcoming existed in prior art, a kind of back of the body shelves support of upright piano action is provided, impel sound shelves processed and total shelves and aluminium to carry on the back shelves by back of the body shelves support to be fixed together, bend the problem of rocking to solve proposition sound shelves processed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of back of the body shelves support of upright piano action, comprises aluminium back of the body shelves, sound shelves processed, back of the body shelves support and total shelves, and described aluminium back of the body shelves are screwed on a stand of back of the body shelves support; The other end stand upper end of described back of the body shelves support is screwed and is connected with sound shelves processed; Lower end is screwed with total shelves and is connected.
Preferably, two bifurcateds on described back of the body shelves support main brace hack lever form Y-shaped structure.
Compared with prior art, the beneficial effects of the utility model are: the back of the body shelves support of this upright piano action, traditional back of the body shelves support, due to middle pitch support and high pitch set spacing long, sound shelves processed can be caused to bend, and produce rock when being subject to sound screw mandrel processed collision; This practicality utilizes back of the body shelves support to impel sound shelves processed and total shelves and aluminium to carry on the back shelves and is fixed together, solves sound shelves processed and bend the problem of rocking, the features such as structure is simple, practical.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model back of the body shelves support sectional view.
In figure: 1 aluminium back of the body shelves, 2 sound shelves processed, 3 back of the body shelves support and 4 total shelves.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-2, the utility model provides a kind of technical scheme: a kind of back of the body shelves support of upright piano action, comprises aluminium back of the body shelves 1, sound shelves 2 processed, back of the body shelves support 3 and total shelves 4, and described aluminium back of the body shelves 1 are screwed on a stand of back of the body shelves support 3; The other end stand upper end of described back of the body shelves support 3 is screwed and is connected with sound shelves 2 processed; Lower end is screwed with total shelves 4 and is connected.
Two bifurcateds on described back of the body shelves support 3 main brace hack lever form Y-shaped structures, carry on the back shelves 1, sound shelves 2 processed and total shelves 4 be respectively screwed and be connected with aluminium, make that sound shelves processed are not flexible to be rocked, the relative position of decision damper head correspondence string.
This practical principle: because most of part of damper is all contained on sound shelves 2 processed.Be fixed by back of the body shelves support 3 pairs of aluminium back of the body shelves 1, sound shelves 2 processed and total shelves 4, solve sound shelves 2 processed and bend, sound screw mandrel processed is not easily produced when collision and rocks, ensure that the life-span of piano striking machine, piano striking machine tonequality will be more melodious,
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (2)
1. a back of the body shelves support for upright piano action, comprises aluminium back of the body shelves (1), sound shelves processed (2), back of the body shelves support (3) and total shelves (4), it is characterized in that: described aluminium back of the body shelves (1) is screwed on a stand of back of the body shelves support (3); The other end stand upper end of described back of the body shelves support (3) is screwed and is connected with sound shelves (2) processed; Lower end is screwed with total shelves (4) and is connected.
2. the back of the body shelves support of a kind of upright piano action according to claim 1, is characterized in that: two bifurcateds on described back of the body shelves support (3) main brace hack lever form Y-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520590108.0U CN205028638U (en) | 2015-08-07 | 2015-08-07 | Upright piano action's back of body shelves strut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520590108.0U CN205028638U (en) | 2015-08-07 | 2015-08-07 | Upright piano action's back of body shelves strut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205028638U true CN205028638U (en) | 2016-02-10 |
Family
ID=55261154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520590108.0U Expired - Fee Related CN205028638U (en) | 2015-08-07 | 2015-08-07 | Upright piano action's back of body shelves strut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205028638U (en) |
-
2015
- 2015-08-07 CN CN201520590108.0U patent/CN205028638U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20160807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |