CN201654479U - Cooperating structure for date calendar gear or week calendar gear of watch and positioning lever thereof - Google Patents
Cooperating structure for date calendar gear or week calendar gear of watch and positioning lever thereof Download PDFInfo
- Publication number
- CN201654479U CN201654479U CN2010201580270U CN201020158027U CN201654479U CN 201654479 U CN201654479 U CN 201654479U CN 2010201580270 U CN2010201580270 U CN 2010201580270U CN 201020158027 U CN201020158027 U CN 201020158027U CN 201654479 U CN201654479 U CN 201654479U
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- China
- Prior art keywords
- wheel
- date
- watch
- week
- gear
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model relates to a cooperating structure for a date calendar gear or a week calendar gear of a watch and a positioning lever thereof, which comprises the date calendar gear or the week calendar gear and the positioning lever thereof, one end of the positioning lever is provided with a projection which is engaged with teeth on a gear plate of the date calendar gear or the week calendar gear, wherein the date calendar gear or the week calendar gear of the watch and the positioning lever thereof are made of plastic by injection molding. Since the structure adopts plastic as the material of the date calendar gear or the week calendar gear of the watch and the positioning lever thereof, the structure overcomes the problem that a great deal of time and material is consumed in the past since the metal gear plate and the metal positioning lever have to be made by cutting and punching, the parts of the cooperating structure only need to be made by injection molding, the formed dimensional precision is high, and the processing hour and the fabrication cost are effectively reduced.
Description
Technical field the utility model relates to a kind of wrist-watch parts, the fit structure of especially a kind of wrist-watch date wheel or week calendar wheel and backstay thereof.
The existing wrist-watch majority of background technology has calendar and week is gone through function, and general wrist-watch also is provided with calendar, timing in 24 hours or Presentation Functions such as stars are gone through, Zhou Li, monthly calendar when being provided with, the minute, second clocking capability.The wrist-watch of middle and high shelves wherein all adopts mechanical drive chain transmission output, respectively to the time, minute, second carries out timing, and calendar and Zhou Li are exported by the date wheel on the driving-chain, week calendar wheel.In existing wrist-watch component technology, date wheel sheet, week calendar wheel sheet and spacing backstay and 24 hours wheel sheets thereof all are to use metal material, because the parts of wrist-watch are all very little, requirement on machining accuracy is than higher, so the difficulty of processing of date wheel sheet, week calendar wheel sheet and spacing backstay and 24 hours wheel sheets and processing cost are all than higher.
Summary of the invention the utility model fundamental purpose provides a kind of wrist-watch date wheel of low cost of manufacture or the fit structure of week calendar wheel and backstay thereof.
For addressing the above problem, the fit structure of wrist-watch date wheel of the present utility model or week calendar wheel and backstay thereof comprises date wheel or week calendar wheel and its backstay, backstay one end is provided with the tooth mesh on the wheel sheet of projection and date wheel or week calendar wheel, and wherein wrist-watch date wheel or week calendar wheel and backstay thereof are the plastic material injection mo(u)lding.
The thickness of the wheel sheet of above-mentioned date wheel or week calendar wheel is 0.15～0.3mm.
The projection thickness of the tooth mesh of above-mentioned backstay and date wheel or week calendar wheel is greater than the thickness of the wheel sheet of date wheel or week calendar wheel.
The utility model adopts date wheel or the wheel sheet of week calendar wheel and the material of backstay thereof of plastic cement as wrist-watch, having overcome the wheel sheet and the backstay that adopt metal must make by cutting and stamping-out in the past, the problem of consumptive material consuming time, the parts of this fit structure only need to form by mold injection, the dimensional accuracy of moulding has been saved machining period and manufacturing cost effectively than higher.
Description of drawings is described in further detail the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the floor map of the fit structure of the utility model wrist-watch date wheel or week calendar wheel and backstay thereof;
Fig. 2 is the projection of the utility model backstay and the structure for amplifying synoptic diagram of date wheel or week calendar wheel engagement;
Fig. 3 is the projection of the utility model backstay and the A-A cross-sectional schematic of date wheel or week calendar wheel engagement.
Embodiment is shown in Fig. 1,2 or 3, the utility model comprises date wheel or week calendar wheel 1 and its backstay 2, backstay 2 one ends are provided with the gear teeth 12 engagements on the wheel sheet 11 of projection 21 and date wheel or week calendar wheel 1, wherein wrist-watch date wheel or week calendar wheel 1 and backstay 2 thereof are the plastic material injection mo(u)lding, and the thickness d 1 of the wheel sheet 11 of date wheel or week calendar wheel 1 is 0.15～0.3mm.The projection thickness d2 of the gear teeth 12 engagements of backstay 2 and date wheel or week calendar wheel 1 is greater than the thickness d 1 of the wheel sheet 11 of date wheel or week calendar wheel 1.
Also can adopt the plastic material injection mo(u)lding by 24 hours (or stars) wheel sheet that hour wheel drives equally with date wheel or week calendar wheel in the above-mentioned wrist-watch parts.
Claims (3)
1. the fit structure of a wrist-watch date wheel or week calendar wheel and backstay thereof, comprise date wheel or week calendar wheel and its backstay, backstay one end is provided with the tooth mesh on the wheel sheet of projection and date wheel or week calendar wheel, and it is characterized in that: wrist-watch date wheel or week calendar wheel and backstay thereof are the plastic material injection mo(u)lding.
2. the fit structure of a kind of wrist-watch date wheel according to claim 1 or week calendar wheel and backstay thereof is characterized in that: the thickness of the wheel sheet of above-mentioned date wheel or week calendar wheel is 0.15～0.3mm.
3. the fit structure of a kind of wrist-watch date wheel according to claim 1 and 2 or week calendar wheel and backstay thereof is characterized in that: the projection thickness of the tooth mesh of above-mentioned backstay and date wheel or week calendar wheel is greater than the thickness of the wheel sheet of date wheel or week calendar wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201580270U CN201654479U (en) | 2010-04-13 | 2010-04-13 | Cooperating structure for date calendar gear or week calendar gear of watch and positioning lever thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201580270U CN201654479U (en) | 2010-04-13 | 2010-04-13 | Cooperating structure for date calendar gear or week calendar gear of watch and positioning lever thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201654479U true CN201654479U (en) | 2010-11-24 |
Family
ID=43119723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201580270U Expired - Lifetime CN201654479U (en) | 2010-04-13 | 2010-04-13 | Cooperating structure for date calendar gear or week calendar gear of watch and positioning lever thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201654479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970514A (en) * | 2016-01-13 | 2017-07-21 | 精工电子有限公司 | Position linkage, movement and clock and watch |
-
2010
- 2010-04-13 CN CN2010201580270U patent/CN201654479U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970514A (en) * | 2016-01-13 | 2017-07-21 | 精工电子有限公司 | Position linkage, movement and clock and watch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
|
| CX01 | Expiry of patent term |