CN104616642A - Accordion sound hole cover capable of being automatically leveled - Google Patents
Accordion sound hole cover capable of being automatically leveled Download PDFInfo
- Publication number
- CN104616642A CN104616642A CN201510003251.XA CN201510003251A CN104616642A CN 104616642 A CN104616642 A CN 104616642A CN 201510003251 A CN201510003251 A CN 201510003251A CN 104616642 A CN104616642 A CN 104616642A
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- sound hole
- hole cover
- key rod
- key lever
- accordion
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses an accordion sound hole cover capable of being automatically leveled. The accordion sound hole cover capable of being automatically leveled is that a key rod slot connected with a key rod is processed in a sound hole cover body; the section of the key rod slot is in a shape of a revered trapezoidal structure of which the bottom side is relatively short; a transverse bulge which is vertical to the key rod slot is arranged in the middle part of the key rod slot. According to the accordion sound hole cover capable of being automatically leveled, the key rod slot is processed into the trapezoidal structure; the key rod can automatically fall down to the center of the key rod slot according to the self-fastening principle while being assembled to the sound hole cover; the transverse bulge vertical to the key rod is arranged in the middle part of the key rod slot; the key rod pressed into the key rod slot can only be in contact with the transverse bulge according to the lever supporting principle, and therefore, the sound hole cover can be automatically leveled, and the force on an area in which the bottom surface of the sound hole cover is in contact with a sound hole plate is uniform; in addition, stressing points of each sound hole cover are the same. The accordion sound hole cover adopting the structure above is able to automatically level and center, is simple in structure and convenient to operate, can greatly increase the product quality and production efficiency, and has obvious economic value and social value.
Description
Technical field
The present invention relates to accordion parts manufacturing technology field, be specifically related to the self-leveling accordion sound hole cover of a kind of energy.
Background technology
Accordion belongs to free spring aerophone, and rely on air-flow excite reed vibrates and pronounce, being good (instrumental) ensemble, musical instrument accompaniment, is also the conventional musical instrument in music teaching.But the compact complexity of accordion structure, craft precision is high, and manufacturing process is loaded down with trivial details very long, and a usual procedure takes a long time with regard to needs and carries out adjustment, and production cost is high, and is difficult to the requirement reaching professional performance qin.The key kinematic train of accordion is saddle structure, be made up of key, key lever, key lever frame, spring and sound hole cover, key is bonded on key lever, key lever top and sound hole cover are fixed, the saddle-shaped base of riveted bottom key lever, be stuck on the axle of the key lever frame be fixed on qin case, and by spring pulling key lever, sound hole cover be pressed on the pore of grill.The key that key kinematic train is produced is to guarantee that sound hole cover is parallel with grill, sound hole cover can evenly be opened and closed under key lever drives, to ensure playing quality, but in existing manufacturing technology, because key lever is irregular structure part, make the leveling operation of sound hole cover very loaded down with trivial details, difficult and poor effect.Therefore, develop a kind of can automatic leveling and simple, the easy to operate accordion sound hole cover of structure is desirability.
Summary of the invention
The object of the present invention is to provide the accordion sound hole cover that a kind of energy automatic leveling, structure are simple, easy to operate.
The object of the present invention is achieved like this, accordion sound hole cover of the present invention, its sound hole cover body is processed with the key lever groove be connected with key lever, the cross sectional shape of described key lever groove is the shorter inverted trapezoidal structure in base, is provided with the lateral projection vertical with key lever groove in the middle part of described key lever groove.
Further, described lateral projection can be mounted in the cross bar on sound hole cover body, also can be the fin being arranged on key lever trench bottom.
Further, the protruding both sides of described key lever groove are processed with symmetrical size tub.
Further, one end of described key lever groove is provided with plug, and described sound hole cover body and plug can be integrated formed structures.
The present invention passes through key lever slot machining structure in echelon, utilize autofrettage, automatically the center of key lever groove can be fallen when key lever and sound hole cover are assembled, and the lateral projection vertical with key lever groove is set in the middle part of key lever groove, utilize fulcrum principle, after in key lever press-in key lever groove, only contact with this lateral projection, thus automatic leveling sound hole cover, make sound hole cover bottom surface and grill contact area uniform force, and the stress point of each sound hole cover is identical.Structure energy automatic leveling of the present invention, self-centering, and structure is simple, easy to operate, significantly can improve product quality and production efficiency, there is significant economic worth and social value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the I-I cross section view of Fig. 1;
Fig. 3 is the structural representation of the embodiment of the present invention 2;
Fig. 4 is the II-II cross section view of Fig. 3;
Fig. 5 is the vertical view of the embodiment of the present invention 2;
Fig. 6 is the using state schematic diagram of the embodiment of the present invention 2.
In figure: 1-sound hole cover body, 2-lateral projection, 3-key lever groove, 4-size tub, 5-plug, 6-key lever, 7-viscose glue.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated, but limited the present invention never in any form, and any change done based on training centre of the present invention or improvement, all belong to protection scope of the present invention.
embodiment 1
As shown in Fig. 1 ~ 2, the self-leveling accordion sound hole cover of a kind of energy of the present invention, its sound hole cover body 1 is processed with the key lever groove 3 be connected with key lever 6, the cross sectional shape of described key lever groove 3 is the shorter inverted trapezoidal structure in base, is provided with the lateral projection 2 vertical with key lever groove 3 in the middle part of described key lever groove 3.
When key lever groove 3 is set to inverted trapezoidal cell body, because key lever groove 3 both sides are inclined-plane, even if sound hole cover body 1 is not ajusted before installing, when key lever 6 presses down installation, also can glide along inclined-plane, thus levelling sound hole cover body 1.Certainly from this principle, the width on key lever groove 3 base is necessarily equal to or slightly greater than the rear diameter of key lever 6 or thickness, and after key lever 6 is depressed and the gap on key lever groove 3 base should be not more than 1mm.
Described lateral projection 2 can be mounted in the cross bar on sound hole cover body 1, also can be arranged on the fin bottom key lever groove 3.This lateral projection 2 role is equivalent to a balance pivot, because key lever 6 is irregular structure part, if not this fulcrum, each key lever 6 stress point be pressed in key lever groove 3 is uncertain, forward then sound hole cover rear end tilts, then front end tilts rearward, need to require great effort time-consuming adjustment and poor effect, but at middle part, preferably after the transverse center line position of sound hole cover body 1 arranges this lateral projection 2, key lever 6 is pressed into after in key lever groove 3, only contact with this lateral projection 2, thus automatic leveling sound hole cover, make sound hole cover bottom surface and grill contact area uniform force, and the stress point of each sound hole cover is identical.So described lateral projection 2, can be cross bar or fin, or other can play arbitrarily shape or the structure of point action.
embodiment 2
As illustrated in figures 3-6, the self-leveling accordion sound hole cover of a kind of energy of the present invention, its sound hole cover body 1 is processed with the key lever groove 3 be connected with key lever 6, the cross sectional shape of described key lever groove 3 is the shorter inverted trapezoidal structure in base, is provided with the lateral projection 2 vertical with key lever groove 3 in the middle part of described key lever groove 3; Lateral projection 2 both sides of described key lever groove 3 are processed with symmetrical size tub 4; One end of described key lever groove 3 is provided with plug 5, and described sound hole cover body 1 and plug 5 are formed in one structure.
On embodiment 1 basis, the present embodiment is processed with symmetrical size tub 4 in lateral projection 2 both sides of key lever groove 3, the lateral depth of described size tub 4 is 1-4mm, the single length being size tub 4 prolongs key lever 6 installation direction is 5-15mm, after processing size tub 4, the length retaining the key lever groove 3 of inverted trapezoidal structure in the middle part of sound hole cover body 1 should be no less than 5mm, and the length retaining the key lever groove 3 of inverted trapezoidal structure near the end of key lever 6 side should be no less than 5mm.The setting of this size tub 4, increases the glue consumption of viscose glue 7 when key lever 6 is connected with sound hole cover body 1, and passes through the position of scientific offering size tub 4, adds stable connection, extends serviceable life.
Further; one end of described key lever groove 3 is provided with plug 5; can ease of assembly; and can resin added be reduced; described sound hole cover body 1 can adopt integrated formed structure with plug 5; undertaken one-body molded by prior aries such as casting, injection moulding, injection mouldings, to reduce production cost and to improve interchangeability of parts, be convenient to large-scale production.
Claims (6)
1. the self-leveling accordion sound hole cover of energy, sound hole cover body (1) is processed with the key lever groove (3) be connected with key lever (6), it is characterized in that: the cross sectional shape of described key lever groove (3) is the shorter inverted trapezoidal structure in base, and described key lever groove (3) middle part is provided with the lateral projection (2) vertical with key lever groove (3).
2. the self-leveling accordion sound hole cover of a kind of energy according to claim 1, is characterized in that: described lateral projection (2) is for being arranged on the cross bar on sound hole cover body (1).
3. the self-leveling accordion sound hole cover of a kind of energy according to claim 1, is characterized in that: described lateral projection (2) is for being arranged on the fin of key lever groove (3) bottom.
4. the self-leveling accordion sound hole cover of a kind of energy according to claim 1, is characterized in that: projection (2) both sides of described key lever groove (3) are processed with symmetrical size tub (4).
5. the self-leveling accordion sound hole cover of one energy according to claim 1 or 4, is characterized in that: one end of described key lever groove (3) is provided with plug (5).
6. according to claim 5 a kind of can self-leveling accordion sound hole cover, it is characterized in that: described sound hole cover body (1) and plug (5) are formed in one structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003251.XA CN104616642B (en) | 2015-01-06 | 2015-01-06 | A kind of self-leveling accordion sound hole cover of energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003251.XA CN104616642B (en) | 2015-01-06 | 2015-01-06 | A kind of self-leveling accordion sound hole cover of energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104616642A true CN104616642A (en) | 2015-05-13 |
| CN104616642B CN104616642B (en) | 2017-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510003251.XA Expired - Fee Related CN104616642B (en) | 2015-01-06 | 2015-01-06 | A kind of self-leveling accordion sound hole cover of energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104616642B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2549754A1 (en) * | 1975-11-06 | 1977-05-12 | Hohner Ag Matth | Combined base mechanism for accordions - has triple keyboard with spring tensioned lever systems |
| DE2850420A1 (en) * | 1977-12-22 | 1979-07-05 | Klingenthaler Harmonikawerke | Piano accordion keyboard construction - has key mechanism designed to provide similarity of operation |
| DE3232501A1 (en) * | 1982-09-01 | 1984-03-01 | Matth. Hohner Ag, 7218 Trossingen | Accordion |
| DE3414545A1 (en) * | 1983-04-20 | 1984-11-15 | Zero Sette - S.n.c., Castelfidardo | Actuating apparatus for an adjustment bow of an accordion bass keyboard |
| CN1066140A (en) * | 1992-04-25 | 1992-11-11 | 袁赛琴 | A kind of organ |
| DE4342382A1 (en) * | 1993-12-11 | 1995-06-14 | Hauke Seifert | Accordion with register setter |
| DE19541212A1 (en) * | 1995-11-04 | 1997-05-07 | Hans Woerl | Accordion key mechanism with valve and check device |
| EP1909259A2 (en) * | 2006-10-06 | 2008-04-09 | Haglmo GmbH & Co. KG | Accordion |
| CN101173712A (en) * | 2003-07-22 | 2008-05-07 | 纳博特斯克株式会社 | Apparatus for opening and closing cover |
| CN201392647Y (en) * | 2009-03-31 | 2010-01-27 | 张翼 | Key bar slots in key transmission system of accordion |
| CN202796022U (en) * | 2012-07-02 | 2013-03-13 | 江苏鸿昌乐器有限公司 | Accordion keyboard |
| CN202991263U (en) * | 2012-10-17 | 2013-06-12 | 淄博柴油机总公司 | Cylinder head cover seat ring groove |
| CN204332331U (en) * | 2015-01-06 | 2015-05-13 | 云南格律乐器制造有限公司 | The self-leveling accordion sound hole cover of a kind of energy |
-
2015
- 2015-01-06 CN CN201510003251.XA patent/CN104616642B/en not_active Expired - Fee Related
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2549754A1 (en) * | 1975-11-06 | 1977-05-12 | Hohner Ag Matth | Combined base mechanism for accordions - has triple keyboard with spring tensioned lever systems |
| DE2850420A1 (en) * | 1977-12-22 | 1979-07-05 | Klingenthaler Harmonikawerke | Piano accordion keyboard construction - has key mechanism designed to provide similarity of operation |
| DE3232501A1 (en) * | 1982-09-01 | 1984-03-01 | Matth. Hohner Ag, 7218 Trossingen | Accordion |
| DE3414545A1 (en) * | 1983-04-20 | 1984-11-15 | Zero Sette - S.n.c., Castelfidardo | Actuating apparatus for an adjustment bow of an accordion bass keyboard |
| CN1066140A (en) * | 1992-04-25 | 1992-11-11 | 袁赛琴 | A kind of organ |
| DE4342382A1 (en) * | 1993-12-11 | 1995-06-14 | Hauke Seifert | Accordion with register setter |
| DE19541212A1 (en) * | 1995-11-04 | 1997-05-07 | Hans Woerl | Accordion key mechanism with valve and check device |
| CN101173712A (en) * | 2003-07-22 | 2008-05-07 | 纳博特斯克株式会社 | Apparatus for opening and closing cover |
| EP1909259A2 (en) * | 2006-10-06 | 2008-04-09 | Haglmo GmbH & Co. KG | Accordion |
| CN201392647Y (en) * | 2009-03-31 | 2010-01-27 | 张翼 | Key bar slots in key transmission system of accordion |
| CN202796022U (en) * | 2012-07-02 | 2013-03-13 | 江苏鸿昌乐器有限公司 | Accordion keyboard |
| CN202991263U (en) * | 2012-10-17 | 2013-06-12 | 淄博柴油机总公司 | Cylinder head cover seat ring groove |
| CN204332331U (en) * | 2015-01-06 | 2015-05-13 | 云南格律乐器制造有限公司 | The self-leveling accordion sound hole cover of a kind of energy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104616642B (en) | 2017-09-15 |
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Granted publication date: 20170915 Termination date: 20210106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |