CN204087765U - A kind of string micro-adjusting mechanism - Google Patents
A kind of string micro-adjusting mechanism Download PDFInfo
- Publication number
- CN204087765U CN204087765U CN201420522879.1U CN201420522879U CN204087765U CN 204087765 U CN204087765 U CN 204087765U CN 201420522879 U CN201420522879 U CN 201420522879U CN 204087765 U CN204087765 U CN 204087765U
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- China
- Prior art keywords
- gear
- fixed leg
- fixed
- right cylinder
- axle
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Abstract
The utility model provides a kind of string micro-adjusting mechanism and comprises the first fixed leg (10), axle (2), column spinner (30), the second fixed leg (40), follower gear (5), driving gear (6), secure component (7) and housing (80).The first fixed leg gap through after column spinner, again the second fixed leg is passed in column spinner gap, then follower gear is stuck in gear screens, and driving gear is uniformly distributed around axle and engages with fixed gear and follower gear simultaneously, again secure component is contained on axle, then close housing.After the utility model loaded onto by stringed musical instrument, can directly tune a stringed instrument with have gentle hands pine roll-shell, convenient.Because follower gear is different from the number of teeth of fixed gear, follower gear and column spinner are synchronous axial system, and fixed gear is fixed.When driving gear sways, follower gear and column spinner will be driven to rotate minutely, thus realize fine setting, and the utility model also has auto-lock function.
Description
Technical field
The utility model relates to musical instrument field, particularly a kind of string micro-adjusting mechanism on stringed musical instrument.
Background technology
Stringed musical instrument in use, through tuning a stringed instrument, make its accuracy in pitch reach optimum efficiency.Peg is directly inserted in mounting hole corresponding to pegbox by the mechanism of tuning a stringed instrument of prior art, and string is wrapped in peg, adjusts the tight degree of string to adjust accuracy in pitch by directly rotating peg, and its precision when tuning a stringed instrument is not high, is difficult to realize fine setting.And in stringed musical instrument use procedure, peg can be able to be made to rotate because of weather and the change of temperature and the tension force of string, qin person must exert great efforts and peg could be inserted into pegbox, increase the friction force of peg and pegbox, use to qin person and make troubles, especially for then more difficult minor.
Utility model content
The technical problems to be solved in the utility model be substantially do not change prior art tune a stringed instrument mechanical appearance prerequisite under, mechanically provide a kind of and can tune a stringed instrument easily, fast and there is the string micro-adjusting mechanism of auto-lock function.
For solving the problems of the technologies described above, the utility model is by the following technical solutions: a kind of string micro-adjusting mechanism, the axle, column spinner, the second fixed leg, follower gear, driving gear, secure component and the housing as handle of tuning a stringed instrument that comprise the first fixed leg, are fixedly connected with first fixed leg one end;
Described column spinner comprises coaxial the first connected right cylinder and the second right cylinder, and described first cylinder diameter is greater than the second right cylinder;
Described second fixed leg comprise in turn coaxial be connected three cylindrical body, the second fixed leg can be made to be limited in flange in housing and fixed gear; Described second right cylinder gap is through the second fixed leg, and its end is exposed to the second fixed leg part is coaxially fixed with a described follower gear; Described follower gear is positioned at the top of described fixed gear coaxially, and described second fixed leg end face and the first right cylinder inner face are conflicted spacing;
Described second fixed leg near the first cylindrical that section of cylinder at least local with the tapering being convenient to string micro-adjusting mechanism is plugged on stringed musical instrument;
Described first fixed leg is right cylinder, at its abaxial that section of cylinder at least locally with the tapering being convenient to string micro-adjusting mechanism is plugged on stringed musical instrument;
Described shaft length is greater than described column spinner length; Described shaft clearance through described column spinner, its outstanding part is positioned at the secure component being provided with the described column spinner of restriction outside follower gear and moving axially; Described first right cylinder outer face and the first fixed leg inner face are conflicted spacing;
Described driving gear quantity is 2, and described driving gear is uniformly distributed around axle and engages with fixed gear and follower gear simultaneously; The described follower gear number of teeth is different from the fixed gear number of teeth, and both differences are 2n, and wherein n is natural number;
Described housing has inner space, and described enclosure interior has and only allows flange, fixed gear, follower gear, driving gear and secure component to carry out rotating in a circumferential direction multiple slots of motion; Described housing comprises upper shell and lower house, and described lower house is provided with the through hole that can hold three cylindrical body space and pass, and the diameter of through hole is less than the diameter of described flange, and one end of described upper shell is fixedly connected with lower house, and the other end is then provided with polygon hole clipping.
Further, described second right cylinder is being provided with the gear screens of circumferentially cut-out material away from first cylindrical one end, described follower gear is stuck in the gear screens on the second right cylinder.
Further, described driving gear is the gear of tape spool; In described housing, both sides, middle part respectively arrange the slot of the axle of a rotatable accommodating described driving gear.
Further, described secure component is circlip for shaft or plum blossom hole back-up ring, at the pickup groove having secure component on correspondence position of described axle.
Further, described first fixed leg is circumferentially arranged respectively the thrust of multiple increase by first fixed leg and stringed musical instrument contact friction force; Described three cylindrical body circumferentially arranges the thrust of multiple increase by second fixed leg and stringed musical instrument contact friction force.
Further, that coordinate with hole clipping, that the speed of tuning a stringed instrument can be accelerated rocking handle is also comprised; Described rocking handle comprises two shafts, and the end of two shafts is that one connects and mutually vertical, and the outer end of a shaft is cooperatively interact with polygon hole clipping polygon-shaped wherein.
Compared with prior art, the utility model string micro-adjusting mechanism comprises the first fixed leg, column spinner, the second fixed leg, follower gear, driving gear, secure component and housing.The first fixed leg gap through after column spinner, again the second fixed leg is passed in column spinner gap, then follower gear is stuck in the gear screens of column spinner, and driving gear is uniformly distributed around axle and engages with fixed gear and follower gear simultaneously, again secure component is contained on axle, then close housing.After the utility model loaded onto by stringed musical instrument, can directly tune a stringed instrument with have gentle hands pine roll-shell, convenient.
During with hand roll-shell, driving gear can be driven to rotate around follower gear and fixed gear, and because the follower gear number of teeth is different from the fixed gear number of teeth, follower gear and column spinner are synchronous axial system simultaneously, and fixed gear is fixed.Like this when driving gear rotates around follower gear and fixed gear, follower gear and column spinner will be driven to rotate minutely, and simultaneously such gear mechanism is also for self-locking designs.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is three-dimensional exploded view of the present utility model.
Fig. 2 is stereographic map of the present utility model, wherein upper shell and lower house is decomposed out.
Fig. 3 is stereographic map of the present utility model, wherein upper shell is decomposed out.
Fig. 4 is stereographic map of the present utility model.
Fig. 5 is the stereographic map of the incision half of upper shell of the present utility model.
Embodiment
As shown in figures 1-4, string micro-adjusting mechanism comprises the first fixed leg 10, the axle 2 be fixedly connected with first fixed leg 10 one end, column spinner 30, second fixed leg 40, follower gear 5, driving gear 6, secure component 7 and housing 80.
First fixed leg 10 is right cylinder, first fixed leg 10 can be formed by plastic material integrated injection molding with axle 2, preferred version is that the first fixed leg 10 is made up of plastic material, and 2, axle is made up of metallo-plastic, can utilize hot melt adhesive that the first fixed leg 10 is fixedly connected with axle 2.Because the first fixed leg 10 needs grafting to enter mounting hole corresponding on stringed musical instrument, the first fixed leg 10 at least with tapering, is convenient to install in local away from that section of cylinder of axle 2 so more.
Column spinner 30 comprises coaxial the first right cylinder 31 and the second right cylinder 32 be connected, first right cylinder 31 diameter is greater than the second right cylinder 32, like this in the second right cylinder 32 gap through after the second fixed leg 40, an end face of the second fixed leg 40 and the first right cylinder 31 inner face are conflicted the spacing axial location limiting the second fixed leg 40.Second fixed leg 40 other end be fixed with successively coaxially can make the second fixed leg 40 be limited in flange 42 in housing with fixed gear 43.
Column spinner 30 is provided with the through hole with axle 2 clearance fit, like this can axle 2 gap through column spinner 30, and after installing, outer face and first fixed leg 10 inner face of the first right cylinder 31 are conflicted spacing.Second right cylinder 32 gap is through after the second fixed leg 40, and its end is exposed to the second fixed leg 40 part and is coaxially fixed with a follower gear 5, and follower gear 5 is the tops being positioned at fixed gear 43 coaxially, follower gear 5 and column spinner 20 synchronous axial system.Preferred version is that the second right cylinder 32 is provided with the gear screens 321 of circumferentially cut-out material in the one end away from the first right cylinder 31, and follower gear 5 can be stuck in this gear screens 321.Column spinner 30 and the second fixed leg 40 can be formed by plastic material integrated injection molding.
The length of described axle 2 is greater than the length of column spinner 30, like this will give prominence to a part at axle 2 through after column spinner 30, is positioned in this outstanding part of axle 2 secure component 7 being provided with described restriction column spinner 30 outside follower gear 5 and moving axially.
During installation, first column spinner 30 is passed in axle 2 gap, then the second fixed leg 40 is passed in column spinner 30 gap.Because the second right cylinder 32 length is greater than the first fixed leg 10 length, after installing, gear screens 321 reveals, and so just follower gear 5 can be stuck in gear screens 321.On card after follower gear 5, follower gear 5 side can near fixed gear 43.Also because axle 2 length is greater than column spinner 30 length, after installing, the part of axle 2 is outstanding, and so just can secure component 7 is contained on outstanding axle 2, after loading onto secure component 7, follower gear 5 will between fixed gear 43 and secure component 7.
Secure component 7 is for limiting the first fixed leg 10 moving axially in use, secure component 7 can be circlip for shaft or plum blossom hole back-up ring, the correspondence position of axle 2 has the pickup groove of secure component 7, needs to make it be arranged on smoothly on axial trough circlip for shaft or the expansion of plum blossom hole back-up ring with Circlip tongs.In use, owing to there being the restriction of column spinner 30, the first fixed leg 10 can not move axially to the direction near column spinner 30.And secure component 7 is arranged on follower gear 5 side, when the first fixed leg 10 moves axially to the direction away from column spinner 30, secure component 7 will encounter follower gear 5, thus also limit this and move axially.
During installation, first column spinner 30 is passed in axle 2 gap, then the second fixed leg 40 is passed in column spinner 30 gap, again follower gear 5 is stuck in gear screens 321, driving gear 6 is uniformly distributed around axle 2 and engages with fixed gear 43 and follower gear 5 simultaneously, again secure component 7 is contained on axle 2, then the housing 81 that closes.
As shown in Figure 5, housing 80 has inner space, slot 812 is also provided with in housing 80 inside, so just can directly flange 42, fixed gear 43, follower gear 5, driving gear 6 and secure component 7 be placed in corresponding slot 812, after placing, due to the setting of housing 80 and slot 812, flange 42, fixed gear 43, driving gear 6, follower gear 5 and secure component 7 just can not carry out axle 2 to movement, can only carry out the motion that rotates in a circumferential direction.Preferred version is, driving gear 6 is the gear of tape spool 61, in described housing, both sides, middle part respectively arrange the slot 812 of the axle 61 of a rotatable accommodating described driving gear 6, like this just can roll-shell 80 time, driving gear 6 just can be driven to rotate around fixed gear 43 and follower gear 5.Also can give prominence to position at axle 2 and a slot 812 is set again, above the axle 2 of outshot can being stuck in like this, the possibility that axle 2 produces skew in rotation can be reduced like this.
For the ease of holder housing 80, housing 80 comprises upper shell 81 and lower house 82 two parts, lower house 82 is provided with the through hole that can hold three cylindrical body 41 gap and pass, and the diameter of through hole is less than the diameter of described flange 42, during installation, the second fixed leg 40 through the through hole of lower house 82, then block flange 42 with lower house 82, thus limit moving axially of rotary body 40, then upper shell 81 is closed.During use, both are fixing as a whole.
Now, can with hand very like a cork directly roll-shell 80 drive driving gear 6 to move around axle 2, tune a stringed instrument, and string is wrapped on the first right cylinder 31 of column spinner 30.
Driving gear 6 is uniformly distributed around axle 2 and engages with fixed gear 43 and follower gear 5 simultaneously, and described driving gear 6 quantity is 2, and follower gear 5 number of teeth is different from fixed gear 43 number of teeth, and both differences are 2n, and wherein n is natural number.Therefore roll-shell 80 just can drive follower gear 5 and column spinner 30 to rotate, and such is arranged so that string micro-adjusting mechanism has fine adjustment function and auto-lock function.
Realize like this during described string micro-adjusting mechanism fine adjustment function, because follower gear 5 number of teeth is different from fixed gear 43 number of teeth, now setting fixed gear 43 gear is n
1, follower gear 5 number of teeth is n
2.Because fixed gear 43 is fixed on the second fixed leg 40, and together with the second fixed leg 40 in use fixes with stringed musical instrument, so fixed gear 43 is fixed.If n
1< n
2, when driving gear 6 is around fixed gear 43 turns during a tooth position, driving gear 6 has equaled around 2 turns, axle
and driving gear 6 is around follower gear 5 turns during a tooth position, Zhi Nengzhuan
the unnecessary number of degrees are poor, namely
can only follower gear 5 own rotation
compensate, and follower gear 5 is stuck on one end of column spinner 30, such follower gear 5 can rotate the corresponding number of degrees by driven rotary post 30.Namely driving gear 6 is often when fixed gear 43 and follower gear 5 rotate a tooth position, and follower gear 5 will rotate by driven rotary post 30
when driving gear 6 rotates a circle around fixed gear 43 and follower gear 5,30 rotations of follower gear 5 driven rotary post
thus play fine setting effect.If n
1> n
2, when driving gear 6 is around fixed gear 43 and follower gear 5 turns, the rotation direction of follower gear 5 and column spinner 30 is contrary with driving gear 6.
Preferred version is n
1=15, n
2=17, like this when driving gear 6 is made a circle around fixed gear 43, namely after 360 °, follower gear 5 driven rotary post 30 have rotated about 42 ° together.
In use, first right cylinder 31 of column spinner 30 is wound with string, and described fixed gear 43 is fixed, driving gear 6 is transmission bridges of follower gear 5, although string can produce certain torsional forces to column spinner 30, column spinner 30 and follower gear 5 also can not resiliences, only have and drive driving gear 6 to rotate by roll-shell 80, just can force the rotation of follower gear 5 and column spinner 30, so just achieve the auto-lock function of string micro-adjusting mechanism.
When string micro-adjusting mechanism being plugged on mounting hole corresponding to stringed musical instrument, first fixed leg 10 can contact with mounting hole with the second fixed leg 40, in order to increase the friction force between them, the first fixed leg 10 circumferentially arranging multiple thrust 11 and multiple thrust 411 is circumferentially set on the three cylindrical body 41 of the second fixed leg 40.Simultaneously for the ease of string micro-adjusting mechanism being plugged on mounting hole corresponding to stringed musical instrument, described first fixed leg 10 and the second fixed leg 40 away from housing 80 that section of cylinder at least local with tapering.
Also be provided with polygon hole clipping 811 in the end of housing 80, utilize the rocking handle that coordinates with polygon hole clipping 811 can quick rotation housing 80, string speed be changed in raising.Described polygon hole clipping 811 directly can be beaten polygonal hole in housing 80 end and be formed.Preferred version is, directly punches in housing 80 end, a metalwork is embedded in hole and is fixed as one with housing, have separately polygonal hole 811, can increase the intensity of polygon hole clipping 811 like this on metalwork.First use rocking handle (attached not shown in FIG.) to tune a stringed instrument fast when string is installed, time tensioned to string, then rocking handle is removed, directly finely tune with hand roll-shell 80.Described rocking handle comprises two shafts, and the end of two shafts is one connection and mutually vertically, the outer end of a shaft is polygon-shaped wherein, and cooperatively interacts with polygon hole clipping 811.During use, be that polygon-shaped end is plugged in polygon hole clipping 811 position, shaft-like beyond the region of objective existence end, then make an other shaft rotate, just can tune a stringed instrument fast.
Claims (6)
1. a string micro-adjusting mechanism, it is characterized in that, comprise the first fixed leg (10), the axle (2) be fixedly connected with the first fixed leg (10) one end, column spinner (30), the second fixed leg (40), follower gear (5), driving gear (6), secure component (7) and the housing (80) as handle of tuning a stringed instrument;
Described column spinner (30) comprises coaxial connected the first right cylinder (31) and the second right cylinder (32), and described first right cylinder (31) diameter is greater than the second right cylinder (32);
Described second fixed leg (40) comprise in turn coaxial be connected three cylindrical body (41), the second fixed leg (40) can be made to be limited in flange (42) in housing and fixed gear (43); Described second right cylinder (32) gap is through the second fixed leg (40), and its end is exposed to the second fixed leg (40) part is coaxially fixed with a described follower gear (5); Described follower gear (5) is positioned at the top of described fixed gear (43) coaxially, and described second fixed leg (40) end face and the first right cylinder (31) inner face are conflicted spacing;
That section of cylinder of close first right cylinder (31) of described second fixed leg (40) is at least locally with the tapering being convenient to string micro-adjusting mechanism is plugged on stringed musical instrument;
Described first fixed leg (10) is right cylinder, at its that section of cylinder away from axle (2) at least locally with the tapering being convenient to string micro-adjusting mechanism is plugged on stringed musical instrument;
Described axle (2) length is greater than described column spinner (30) length; Described axle (2) gap through described column spinner (30), its outstanding part is positioned at follower gear (5) outside and is provided with the secure component (7) that the described column spinner of restriction (30) moves axially; Described first right cylinder (31) outer face and the first fixed leg (10) inner face are conflicted spacing;
Described driving gear (6) quantity is 2, and described driving gear (6) is uniformly distributed around axle (2) and engages with fixed gear (43) and follower gear (5) simultaneously; Described follower gear (5) number of teeth is different from fixed gear (43) number of teeth, and both differences are 2n, and wherein n is natural number;
Described housing (80) has inner space, and described housing (80) inside has and only allows flange (42), fixed gear (43), follower gear (5), driving gear (6) and secure component (7) to carry out rotating in a circumferential direction multiple slots (812) of motion; Described housing (80) comprises upper shell (81) and lower house (82), described lower house (82) is provided with the through hole that can hold three cylindrical body (41) gap and pass, and the diameter of through hole is less than the diameter of described flange (42), one end of described upper shell (81) is fixedly connected with lower house (82), and the other end is then provided with polygon hole clipping (811).
2. string micro-adjusting mechanism according to claim 1, it is characterized in that, described second right cylinder (32) is provided with the gear screens (321) of circumferentially cut-out material in the one end away from the first right cylinder (31), described follower gear (5) is stuck in the gear screens (321) on the second right cylinder (32).
3. string micro-adjusting mechanism according to claim 2, is characterized in that, the gear that described driving gear (6) is tape spool (61); In described housing, both sides, middle part respectively arrange the slot (812) of the axle (61) of a rotatable accommodating described driving gear (6).
4. the string micro-adjusting mechanism according to any one of claims 1 to 3, it is characterized in that, described secure component (7) is circlip for shaft or plum blossom hole back-up ring, at the pickup groove having secure component (7) on correspondence position of described axle (2).
5. the string micro-adjusting mechanism according to any one of claims 1 to 3, it is characterized in that, described first fixed leg (10) circumferentially arranges the thrust (11) of multiple increase by first fixed leg (10) and stringed musical instrument contact friction force respectively; Described three cylindrical body (41) circumferentially arranges the thrust (411) of multiple increase by second fixed leg (40) and stringed musical instrument contact friction force.
6. the string micro-adjusting mechanism according to any one of claims 1 to 3, is characterized in that, also comprises rocking handle that coordinate with hole clipping (811), that can accelerate the speed of tuning a stringed instrument; Described rocking handle comprises two shafts, and the end of two shafts is that one connects and mutually vertical, wherein a shaft outer end for polygon hole clipping (811) cooperatively interact polygon-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420522879.1U CN204087765U (en) | 2014-09-12 | 2014-09-12 | A kind of string micro-adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420522879.1U CN204087765U (en) | 2014-09-12 | 2014-09-12 | A kind of string micro-adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204087765U true CN204087765U (en) | 2015-01-07 |
Family
ID=52180447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420522879.1U Expired - Fee Related CN204087765U (en) | 2014-09-12 | 2014-09-12 | A kind of string micro-adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204087765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431873A (en) * | 2021-06-24 | 2021-09-24 | 余李方 | Bidirectional self-locking speed reducing structure |
-
2014
- 2014-09-12 CN CN201420522879.1U patent/CN204087765U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431873A (en) * | 2021-06-24 | 2021-09-24 | 余李方 | Bidirectional self-locking speed reducing structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20200912 |