CN109513647B - Grand piano string rust cleaning device - Google Patents
Grand piano string rust cleaning device Download PDFInfo
- Publication number
- CN109513647B CN109513647B CN201811291265.6A CN201811291265A CN109513647B CN 109513647 B CN109513647 B CN 109513647B CN 201811291265 A CN201811291265 A CN 201811291265A CN 109513647 B CN109513647 B CN 109513647B
- Authority
- CN
- China
- Prior art keywords
- side wall
- groove
- string
- air bag
- piano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000004140 cleaning Methods 0.000 title description 6
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 3
- 241000221535 Pucciniales Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B08B1/12—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Abstract
The invention discloses a grand piano string rust removing device which comprises a piano plate, wherein a plurality of pairs of fixed blocks for fastening strings are fixed on the piano plate, a device groove is formed in the piano plate, a piston is arranged in the device groove, the lower end of the piston is fixedly connected with a pull rod, a notch of the device groove is plugged by a sealing plug, the lower end of the pull rod penetrates through the sealing plug, the side wall of one fixed block is fixedly connected with a device block, the side wall of the device block is provided with a placing groove, the strings penetrate through the placing groove, the inner wall of the placing groove is rotatably and hermetically provided with a turntable, the outer side wall of the turntable is fixedly provided with an annular folding air bag, the inner side wall of the turntable is provided with an impeller, a plurality of air inlet channels are formed in the turntable, and the air inlet channels communicate one side area of the impeller. The device has a reasonable structure, can directly remove rust without detaching the string, is simple and quick to operate, and can quickly and effectively scrape rust spots on the outer side wall of the string.
Description
Technical Field
The invention relates to the technical field of grand pianos, in particular to a string rust removing device for a grand piano.
Background
The grand piano is used for large-scale performance or professionals, and the structure is composed of six parts including a string row, a soundboard, a support, a keyboard system (including black and white keys and a string hammer), a pedal mechanism (including a top rod and a pedal) and a shell.
Wherein the piano's string main material is low carbon plain steel, rusts very easily under humid environment, and two required prerequisites of metal rust: oxygen and water (generally referring to the moisture in the air). The higher the moisture in the air with which the metal is in contact, the faster the rate of rusting. And the string of piano exposes outside, and it rusts very easily to contact the outside air, and rusty string generally can not influence tone quality, but if rusty degree is great, then also very big to the influence degree of tone quality, and the method of rust cleaning at present often need pull down the string, cleans the back with dry rag and installs, must be gone on by professional, and the installation can make the tension of string produce the error otherwise, influences tone quality.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a grand piano string rust removing device which can directly remove rust without detaching a string, is simple and quick to operate, and can quickly and effectively scrape rust spots on the outer side wall of the string.
In order to achieve the purpose, the invention adopts the following technical scheme:
a grand piano string rust cleaning device comprises a piano plate, a plurality of pairs of fixed blocks for fastening strings are fixed on the piano plate, a device groove is arranged in the piano plate, a piston is arranged in the device groove, the lower end of the piston is fixedly connected with a pull rod, a notch of the device groove is tightly plugged through a sealing plug, the lower end of the pull rod penetrates through the sealing plug, one of the fixed blocks is fixedly connected with a device block, the side wall of the device block is provided with a placing groove, the strings penetrate through the placing groove, the inner wall of the placing groove is rotatably and hermetically provided with a turntable, an annular folding air bag is fixed on the outer side wall of the turntable, an impeller is installed on the inner side wall of the turntable, a plurality of air inlet channels are arranged in the turntable, the air inlet channels communicate the area on one side of the impeller with the annular folding air bag, an air inlet pipe is installed at the inner top of the device groove, the inner wall of the annular folding air bag is bonded with a plurality of bar folding air bags, the side wall equipartition of the bar folding air bags is provided with a plurality of rust absorbing holes, the bar folding air bags are connected with a connecting pipe, the tail end of the connecting pipe extends to the piano plate and is communicated with the device groove, the inner wall of the bar folding air bags is bonded with a bar brush, and the tail end of the bar brush is abutted to the outer side wall of the string.
Preferably, a pull ring is fixed at the tail end of the pull rod.
Preferably, an opening is formed in the joint of the device block and the fixed block, and the joint of the string and the fixed block penetrates through the opening.
Preferably, the connection between the connecting tube and the device groove is between the piston and the sealing plug.
Preferably, the brush is a rigid brush.
Compared with the prior art, the invention has the beneficial effects that:
1. be provided with the device groove, the device inslot is equipped with the piston, can promote the piston, alright make its inflation open in crowding the folding gasbag of annular with the gas in the device inslot, the whole string of parcel is lived, is equipped with the impeller, aerifys the in-process, makes whole folding gasbag of annular rotate and drives the rust spot on the brush with the string and scrape down, and the rust cleaning is effectual.
2. The sealing plug is arranged to form a closed space, negative pressure is formed when the piston moves upwards, and the swept particulate matters are absorbed through the connecting pipe and the rust absorption holes in the strip-shaped folding air bag, so that the particulate matters are prevented from falling on the piano plate.
Drawings
FIG. 1 is a schematic structural diagram of a grand piano string rust removal device provided by the invention;
FIG. 2 is a schematic diagram of an annular folding air bag package of a grand piano string rust removal device provided by the invention;
fig. 3 is an enlarged schematic view of a structure at a position a of the grand piano string rust removing device provided by the invention.
In the figure: the device comprises an air inlet pipe 1, a strip-shaped folding air bag 2, a rust absorbing hole 3, a hard brush 4, a piston 5, a device groove 6, a connecting pipe 7, a piano string 8, a fixed block 9, a piano plate 10, a sealing plug 11, a pull rod 12, an annular folding air bag 13, a device block 14, a rotary table 15, a placement groove 16, an air inlet channel 17 and an impeller 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a grand piano string rust removing device comprises a piano plate 10, a plurality of pairs of fixed blocks 9 for fastening strings 8 are fixed on the piano plate 10, device grooves 6 are arranged in the piano plate 10, pistons 5 are arranged in the device grooves 6, pull rods 12 are fixedly connected to the lower ends of the pistons 5, the notches of the device grooves 6 are plugged by sealing plugs 11, the lower ends of the pull rods 12 penetrate through the sealing plugs 11, a device block 14 is fixedly connected to the side wall of one of the fixed blocks 9, a placing groove 16 is arranged on the side wall of the device block 14, strings 8 penetrate through the placing groove 16, a rotary table 15 is rotatably and hermetically arranged on the inner wall of the placing groove 16, an annular folding airbag 13 is fixed on the outer side wall of the rotary table 15, an impeller 18 is arranged on the inner side wall of the rotary table 15, a plurality of air inlet channels 17 are arranged in the rotary table 15, the air inlet channels 17 communicate one side region of the impeller 18 with, in the upper end of intake pipe 1 extended to standing groove 16, the inner wall of the folding gasbag of annular 13 bonded have a plurality of bar folding gasbags 2, the lateral wall equipartition of the folding gasbag of bar 2 has a plurality of rust holes 3 of inhaling, the folding gasbag of bar 2 is connected with connecting pipe 7, the end of connecting pipe 7 extend to in piano board 10 and with device groove 6 intercommunication, the inner wall of the folding gasbag of bar 2 bonds and has bar brush 4, the end of bar brush 4 offsets with the lateral wall of string 8.
In the invention, the tail end of the pull rod 12 is fixed with a pull ring, which is convenient to hold. The connection part of the device block 14 and the fixed block 9 is provided with an opening, and the connection part of the strings 8 and the fixed block 9 passes through the opening, so that the connection between the strings 8 and the fixed block 9 is not influenced. The connecting part of the connecting pipe 7 and the device groove 6 is positioned between the piston 5 and the sealing plug 11, so that the absorbed particles are discharged into the device groove 6 below the piston 5, and the sealing plug 11 can be taken down to be directly cleaned. The brush 4 is a hard brush, and the hardness of the brush is higher, so that the scraping effect is better.
In the invention, when rust removal is needed, the pull rod 12 is pushed upwards to drive the piston 5 to move upwards, air in the device groove 6 is squeezed into the placing groove 16 through the air inlet pipe 1, the air is squeezed into the annular folding air bag 13 through the air inlet channel 17 due to the rotary disc 15 rotating and sealing in the placing groove 16, the annular folding air bag 13 expands and unfolds to wrap the whole string 8, the air inlet pipe 1 is exhausted and simultaneously drives the impeller 18 to rotate, the impeller 18 drives the rotary disc 15 to rotate, so that the whole annular folding air bag 13 is driven to rotate, the annular folding air bag 13 drives the brush 4 to move transversely in the expanding and wrapping process to clean the string 8 transversely, the annular folding air bag 13 rotates in the expanding process to clean the string 8 circumferentially by the brush 4, rust spots adhered to the outer surface of the string 8 can be quickly cleaned by the transverse and circumferential cleaning, fine particles are obtained after sweeping; in the process of moving up the piston 5, the part between the piston 5 and the sealing plug 11 forms negative pressure due to the fact that air density is increased, particles between the hairbrush 4 are sucked into the strip-shaped folding air bag 2 through the rust sucking hole 3, and are finally sucked into the device groove 6 below the piston 5 through the connecting pipe 7, when rust removing operation is completed, the sealing plug 11 is opened, the piston 5 is pulled out by pulling the pull rod 12 downwards, gas in the annular folding air bag 13 is sucked into the placing groove 16 in a drying mode, and meanwhile the particles in the device groove 6 can be cleaned out.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. The grand piano string rust removing device comprises a piano plate (10), and is characterized in that a plurality of fixing blocks (9) for fastening strings (8) are fixed on the piano plate (10), a device groove (6) is arranged in the piano plate (10), a piston (5) is arranged in the device groove (6), a pull rod (12) is fixedly connected with the lower end of the piston (5), a groove opening of the device groove (6) is tightly plugged through a sealing plug (11), the lower end of the pull rod (12) penetrates through the sealing plug (11), one of the two fixing blocks is a device block (14) fixedly connected with the side wall of the fixing block (9), a placing groove (16) is arranged on the side wall of the device block (14), the strings (8) penetrate through the placing groove (16), a rotary disc (15) is arranged on the inner wall of the placing groove (16) in a rotary sealing manner, and an annular folding air bag (13) is fixed on the outer side wall of the rotary disc (15), an impeller (18) is arranged on the inner side wall of the rotary table (15), a plurality of air inlet channels (17) are arranged in the rotary table (15), the air inlet channel (17) is communicated with the annular folding air bag (13) at one side area of the impeller (18), an air inlet pipe (1) is arranged at the inner top of the device groove (6), the upper end of the air inlet pipe (1) extends into the placing groove (16), a plurality of strip-shaped folding air bags (2) are adhered to the inner wall of the annular folding air bag (13), a plurality of rust absorbing holes (3) are uniformly distributed on the side wall of the strip-shaped folding air bag (2), the strip-shaped folding air bag (2) is connected with a connecting pipe (7), the tail end of the connecting pipe (7) extends into the piano plate (10) and is communicated with the device groove (6), the inner wall of the strip-shaped folding air bag (2) is adhered with a strip-shaped brush (4), the tail end of the strip-shaped hairbrush (4) is abutted against the outer side wall of the string (8);
a pull ring is fixed at the tail end of the pull rod (12);
an opening is formed in the joint of the device block (14) and the fixed block (9), and the joint of the piano string (8) and the fixed block (9) penetrates through the opening;
the connecting position of the connecting pipe (7) and the device groove (6) is positioned between the piston (5) and the sealing plug (11).
2. The grand piano string rust removing device according to claim 1, wherein said brush (4) is a hard brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291265.6A CN109513647B (en) | 2018-10-31 | 2018-10-31 | Grand piano string rust cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291265.6A CN109513647B (en) | 2018-10-31 | 2018-10-31 | Grand piano string rust cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109513647A CN109513647A (en) | 2019-03-26 |
| CN109513647B true CN109513647B (en) | 2021-05-25 |
Family
ID=65773898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811291265.6A Active CN109513647B (en) | 2018-10-31 | 2018-10-31 | Grand piano string rust cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109513647B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228001B (en) * | 2019-07-16 | 2021-04-20 | 德清博发智能科技有限公司 | Sea wave type rust removing device for offshore drilling platform |
Citations (6)
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|---|---|---|---|---|
| KR20140121303A (en) * | 2013-04-07 | 2014-10-15 | 김규환 | Cleaning device of wire for wire drawing |
| CN106863094A (en) * | 2017-04-14 | 2017-06-20 | 何伯春 | A kind of portable rust removing device for reinforcing steel bars for building |
| CN107234076A (en) * | 2017-08-13 | 2017-10-10 | 济宁新创化工科技有限公司 | The pre-buried exposed steel bar derusting device of architectural engineering and its application method |
| CN206622350U (en) * | 2017-02-27 | 2017-11-10 | 湖北师范大学 | A kind of string rust prevention treatment device of music teaching stringed musical instrument |
| CN108212829A (en) * | 2016-12-09 | 2018-06-29 | 镇江苏佰鑫工程机械有限公司 | Steel plate pretreatment line clearing apparatus |
| CN207981692U (en) * | 2017-06-14 | 2018-10-19 | 天津市春鹏预应力钢绞线有限公司 | A kind of antirust cleaning device of cable production line |
-
2018
- 2018-10-31 CN CN201811291265.6A patent/CN109513647B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140121303A (en) * | 2013-04-07 | 2014-10-15 | 김규환 | Cleaning device of wire for wire drawing |
| CN108212829A (en) * | 2016-12-09 | 2018-06-29 | 镇江苏佰鑫工程机械有限公司 | Steel plate pretreatment line clearing apparatus |
| CN206622350U (en) * | 2017-02-27 | 2017-11-10 | 湖北师范大学 | A kind of string rust prevention treatment device of music teaching stringed musical instrument |
| CN106863094A (en) * | 2017-04-14 | 2017-06-20 | 何伯春 | A kind of portable rust removing device for reinforcing steel bars for building |
| CN207981692U (en) * | 2017-06-14 | 2018-10-19 | 天津市春鹏预应力钢绞线有限公司 | A kind of antirust cleaning device of cable production line |
| CN107234076A (en) * | 2017-08-13 | 2017-10-10 | 济宁新创化工科技有限公司 | The pre-buried exposed steel bar derusting device of architectural engineering and its application method |
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| Publication number | Publication date |
|---|---|
| CN109513647A (en) | 2019-03-26 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210425 Address after: 510405 Room 101, 83 Zhenxing North Road, Jianggao Town, Baiyun District, Guangzhou City, Guangdong Province Applicant after: GUANGZHOU OUMILE PIANO Co.,Ltd. Address before: 315000, Fenghua Road, Jiangbei District, Zhejiang, Ningbo 818 Applicant before: Zhang Fei |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |