CN106773592B

CN106773592B - Planetary gear system and watch

Info

Publication number: CN106773592B
Application number: CN201710058751.2A
Authority: CN
Inventors: 孙磊; 高仍东; 赵振岭; 王冠龙; 梁甲; 朱应林
Original assignee: Beijing Watch Factory Co ltd; Fiyta Group Co Ltd
Current assignee: Beijing Watch Factory Co ltd; Fiyta Group Co Ltd
Priority date: 2017-01-23
Filing date: 2017-01-23
Publication date: 2022-03-25
Anticipated expiration: 2037-01-23
Also published as: CN106773592A

Abstract

The invention relates to a planetary gear system and a watch. A planetary gear system comprises an original time wheel driven by a basic machine core, a first gear shaft fixedly connected with the original time wheel, an hour plate fixedly connected with the first gear shaft and a minute system fixedly arranged on the hour plate, wherein the hour plate directly obtains power from the original time wheel through the first gear shaft and takes the first gear shaft as an axis to synchronously rotate with the original time wheel, and the minute system is driven by the rotation of the hour plate to synchronously revolve with the first gear shaft as the axis. The planetary gear system and the watch provided by the invention have unique appearance, realize the rotation function of the hour plate and the minute plate which are not possessed by the traditional watch through exquisite design, and are more attractive to consumers compared with the traditional watch; meanwhile, the invention still keeps the functions of accurate timing and convenient reading of time by users, so that the invention has good ornamental and novel properties and good practicability.

Description

Planetary gear system and watch

Technical Field

The invention relates to the field of watch equipment, in particular to a planetary gear system and a watch.

Background

Currently, mechanical watches are no longer a single time indicating tool, but rather are owned by consumers as an accessory. The existing watch design mostly adopts the traditional hour hand, minute hand and second hand for timing, and the axes of the hour hand, minute hand and second hand are all positioned at the same point, and the watch with the operation mode has long existence time and large quantity, so that the visual fatigue of consumers is inevitable and the consumption requirements of the consumers are not met. The operation of the hands of a wristwatch is generally determined by a planetary gear system of a wristwatch, and therefore, in order to meet the increasing market demand, it is necessary to provide a novel planetary gear system of a wristwatch to change the operation of the conventional wristwatch without the defect of novelty.

Disclosure of Invention

In order to solve the technical problems, the invention provides a planetary gear system and a watch, which realize the rotation function of a hour plate and a minute plate which are not possessed by the traditional watch, have the accurate timing function and have practicability and ornamental value.

The technical scheme adopted by the invention is as follows: the utility model provides a planetary gear system, including by basic core drive's original hour wheel, with the first pinion that original hour wheel is fixed continuous, with the hour dish that first pinion is fixed continuous and fixed mounting be in minute system on the hour dish, the hour dish directly obtains power and uses through first pinion from original hour wheel and use first pinion as the axle center, with the synchronous rotation of original hour wheel, minute system uses under the drive of hour dish rotation first pinion is the synchronous revolution of axle center.

In the planetary gear system of the invention, the hour plate is provided with a first through hole which is communicated up and down; the minute system comprises a minute disc arranged on the upper side of the hour disc and a planet wheel sheet arranged on the lower side of the hour disc, the minute disc is connected with the planet wheel sheet through a minute disc shaft sleeve penetrating through the first through hole, so that the planet wheel sheet drives the minute disc to synchronously rotate, and the planet wheel sheet indirectly obtains power from the original time wheel through a ratio change system.

In the planetary gear system of the present invention, the ratio-changing system includes an attached hour wheel mounted on the first gear shaft and rotating synchronously with the original hour wheel, a first ratio-changing wheel meshed with the attached hour wheel, a second ratio-changing wheel coaxial and rotating synchronously with the first ratio-changing wheel, a sun gear sleeve meshed with the second ratio-changing wheel, and a sun gear plate connected integrally with the sun gear sleeve and rotating synchronously, and the sun gear plate is meshed with the planet gear plate.

In the planetary gear system of the present invention, the planetary gear system further includes a center cannon pinion fixed to the movement clamp plate; the minute system is still including set up in minute hand pinion in the first through-hole and with divide the needle pinion upper end to link to each other and with minute hand pinion synchronous rotation's minute hand, divide the needle setting to be in minute dish upside, minute hand pinion lower extreme with central minute wheel piece meshes mutually.

In the planetary gear system of the present invention, the original time wheel rotates once every 12 hours, the number of teeth of the attached time wheel is 48, the number of teeth of the first variable-ratio wheel is 18, the number of teeth of the second variable-ratio wheel is 27, the number of teeth of the sun gear sleeve is 36, the number of teeth of the sun gear piece is 60, and the number of teeth of the planetary gear piece is 60.

In the planetary gear system of the present invention, the hour wheel rotates once every 12 hours, the number of teeth of the center minute wheel piece is 99, and the number of teeth of the minute hand gear shaft is 9.

The invention also provides a watch comprising the planetary gear system.

The planetary gear system and the watch provided by the invention have unique appearance, realize the rotation function of the hour plate and the minute plate which are not possessed by the traditional watch through exquisite design, and are more attractive to consumers compared with the traditional watch; meanwhile, the invention still keeps the functions of accurate timing and convenient reading of time by users, so that the invention has good ornamental and novel properties and good practicability.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic time display diagram according to an embodiment of the present invention;

FIG. 3 is a second schematic time display according to the embodiment of the present invention;

FIG. 4 is a third schematic diagram of time display according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the embodiment of the present invention provides a planetary gear system, the whole system is installed in the watch case and driven by the basic movement as the motive power, the system includes a hour plate 1 and a minute plate 2, under the drive of the planetary gear system, the watch can realize three movement effects: 1. the hour plate 1 rotates clockwise for a circle every 12 hours; the effect is that the time can be displayed for the user to be accurate to the hour, and the time is displayed by rotating the disk surface, so that the display mode has novelty and fashionable feeling compared with the traditional display mode that the disk surface is not moved and the pointer rotates; 2. the minute disc 2 is clockwise installed for a circle every 12 hours without rotation; the dial 2 moves along the dial over time; 3. the minute hand in the minute wheel 2 rotates one revolution per hour for the customer to get the displayed time to the minute.

Specifically, the planetary gear system in this embodiment includes a time wheel 3 engaged with the base movement, a first pinion 11 fixedly connected to the time wheel 3, a hour plate sleeve fixedly connected to the first pinion 11, and an hour plate 1 fixedly connected to the hour plate sleeve by a screw. The hour wheel 3 is driven by the basic movement to rotate clockwise for one circle every 12 hours, and the hour disc 1 obtains power from the hour wheel 3 through the first gear shaft 11 and rotates synchronously with the hour wheel 3 to rotate clockwise for one circle every 12 hours. The hour hand is carved on the hour disc 1, and the hour scale is marked on the watch shell around the hour disc 1, so that the watch can realize the hour timing function; in addition, because the timing is realized through the whole rotation of hour disk 1, compare traditional pointer timing and have unique visual effect, can realize various special effects such as sundown sunrise, the change of day, month, star, etc. through carving various patterns on hour disk 1 along with the lapse of time, give the user a brand-new wrist-watch use experience.

An attached hour wheel 4 which rotates synchronously with the original hour wheel 3 is also arranged on the first gear shaft 11 between the hour disk 1 and the original hour wheel 3, the attached hour wheel 4 is pressed on the original hour wheel 3 and can also be integrally formed with the hour disk shaft sleeve, so that the hour disk 1 and the original hour wheel 3 move together. As shown in the figure, in the present embodiment, a second gear shaft 12 fixed to the casing is disposed on one side of the hour wheel 4, the second gear shaft 12 is sleeved with a first ratio-changing wheel 5 and a second ratio-changing wheel 6 from bottom to top, the first ratio-changing wheel 5 and the second ratio-changing wheel 6 are pressed together and move together, and the first ratio-changing wheel 5 is meshed with the hour wheel 4. The first gear shaft 11 between the hour plate 1 and the attached hour wheel 4 is also sleeved with a sun gear shaft sleeve 7 and a sun gear sheet 8 which is connected with the sun gear shaft sleeve 7 into a whole, and the sun gear shaft sleeve 7 is connected with the transformation ratio two wheel 6 in a meshing way to drive the sun gear sheet 8 to rotate. The sun gear sleeve 7 is in clearance fit with the first gear shaft 11, so that relative rotation can be generated between the sun gear sleeve and the first gear shaft. The sun wheel sheet 8 can rotate clockwise for one circle every 6 hours through the transmission and ratio changing effects of a series of gears. The minute system is arranged beside the sun wheel sheet 8 and comprises a minute hand 13, a minute hand gear shaft 14, a minute hand gear shaft sleeve 15, a minute disc shaft sleeve 16 and a minute disc 2, wherein the minute hand 13 is arranged at the top of the minute hand gear shaft 14, the minute hand gear shaft sleeve 15 is arranged at the bottom of the minute hand gear shaft 14, and the minute hand 13, the minute hand gear shaft 14 and the minute hand gear shaft sleeve 15 are in a pressing and integrating structure. The hour disc 1 and the minute disc 2 are respectively provided with a first through hole and a second through hole which can be penetrated by the minute hand gear shaft 14, the minute hand gear shaft 14 sequentially penetrates through the first through hole and the second through hole from bottom to top, namely, the minute disc 2 is arranged on the upper side of the hour disc 1, and the minute hand 13 is arranged on the upper side of the minute disc 2. The minute disc shaft sleeve 16 is sleeved on the minute hand gear shaft 14 and is in clearance fit with the minute hand gear shaft 14, so that the minute hand gear shaft 14 and the minute hand gear shaft can rotate relatively; the upper end of the shaft sleeve 16 of the clock dial is also closely matched and connected with the through hole on the clock dial 2, so that the shaft sleeve can drive the clock dial 2 to synchronously rotate; the lower end of the shaft sleeve 16 of the clock dial is connected with the planet wheel sheet 9 into a whole, and the planet wheel sheet 9 is meshed with the sun wheel sheet 8, so that the sun wheel sheet 8 can drive the clock dial 2 to rotate through the planet wheel sheet 9 and the shaft sleeve 16 of the clock dial; the middle end of the clock dial sleeve 16 is positioned in the first through hole of the hour dial 1 and is fixedly connected with the first through hole through a sealing piece, and the minute hand pinion 14 is not fixedly connected with the watch case, so that the hour dial 1 drives the whole minute system to synchronously rotate by taking the first pinion 11 as an axis when rotating. In order to enable the minute hand 13 to realize the rotation timing function, the center minute wheel piece 17 meshed with the minute hand gear shaft 14 is arranged in the watchcase at the lower side of the hour plate 1, the center minute wheel piece 17 is fixed on the movement clamping plate and does not move relative to the watchcase reference system, when the whole minute system is driven by the hour plate 1 to rotate, the center minute wheel piece 17 is fixed, the minute hand gear shaft 14 rotates under the stirring of the center minute wheel piece 17, the minute hand 13 connected with the minute hand gear shaft 14 is further driven to rotate, and the minute hand timing function can be realized by marking time scales on the minute plate 2. Through the arrangement, three motion effects of clockwise rotation of the hour disc for one circle every 12 hours, clockwise revolution of the minute hand for one circle every 12 hours and clockwise rotation for one circle every hour can be realized.

The specific implementation process of this embodiment is as follows: the basic movement located at the bottom of the watchcase drives the original time wheel 3 to rotate clockwise for a circle every 12 hours, the original time wheel 3 further drives the attached time wheel 4 and the hour disk 1 to rotate synchronously, the rotation of the hour disk 1 for a circle every 12 hours is realized, and the hour timing function of the embodiment can be realized by marking time scales on the watchcase around the hour disk 1. The minute system is fixedly connected with the hour disk 1 through the hour disk shaft sleeve 16, the whole body passively follows the hour disk 1 to revolve around the first tooth shaft 11 along with the rotation of the hour disk 1, if the hour disk 2 does not rotate relatively, the minute time scale drawn on the surface of the minute disk 2 also rotates along with the rotation of the hour disk 1, the situation inevitably causes difficulty and disorder of reading time scale data by a user, and the efficiency and the accuracy of reading time by the user are influenced, therefore, the embodiment also provides another relative rotation opposite to the revolution direction of the minute disk 2 for the minute disk 2 to neutralize the dial rotation caused by the revolution thereof, and concretely, the minute system rotates once every 12 hours by the hour wheel 4 coaxial with the original hour wheel 3, passes through the first transformation ratio wheel 5 meshed with the hour wheel 4, the second transformation ratio wheel 6 synchronously rotating with the first transformation ratio wheel 5, the sun tooth shaft sleeve 7 meshed with the second transformation ratio wheel 6, and the minute disk sleeve 7, The sun wheel sheet 8 rotating synchronously with the sun gear shaft sleeve 7 and the planet wheel sheet 9 meshed with the sun wheel sheet 8 further drive the minute disc 2 rotating synchronously with the planet wheel sheet 9 to rotate around the minute hand gear shaft 14, and by setting the gear ratio among the gears, the rotation of the minute disc 2 can be counteracted by the rotation of the minute disc 2 while the minute disc 2 revolves, the scale carved on the minute disc 2 is always kept stable and unchanged, and therefore a user can read the minute hand time conveniently. In this embodiment, the hour wheel 4 is a gear of Z48 (Z indicates the number of teeth), the first transformation ratio wheel 5 is a gear of Z18, the second transformation ratio wheel 6 is a gear of Z27, the sun gear sleeve 7 is a gear of Z36, the sun gear piece 8 is a gear of Z60, and the planet gear piece 9 is a gear of Z60, so that the sun gear piece 8 rotates clockwise for a circle every 6 hours, and the minute disc 2 does not rotate on the basis of revolution for a circle every 12 hours, thereby realizing a novel and practical appearance and function representation mode. The central minute wheel piece 17 is fixed, the minute hand gear shaft 14 is meshed with the central minute wheel piece 17, the minute hand gear shaft 14 can rotate under the stirring of the central minute wheel piece 17 in the revolution process of the minute hand gear shaft 14 around the first gear shaft 11, the minute hand 13 and the minute hand gear shaft 14 rotate synchronously, the central minute wheel piece 17 in the embodiment adopts a Z99 gear, the minute hand gear shaft 14 adopts a Z9 gear, the minute hand 13 finally rotates for one circle per hour, and the time display accurate to the minute can be realized through the matching with the minute disc 2.

Embodiments of the present invention also provide a watch comprising a case, a bracelet attached to the case, and the planetary gear system described above mounted in the case. This wrist-watch has realized hour dish, minute dish rotation function that traditional wrist-watch did not possess with unique structural design, has accurate timing function simultaneously, has practicality and sight concurrently, can provide a fashion wrist-watch that the style is novel in design, the function is unique, let the people shine in the future for consumers.

Fig. 2 to 4 are schematic diagrams of time display states according to an embodiment of the present invention, where fig. 2 shows a schematic diagram of a time indicator of 9 dots, fig. 3 shows a schematic diagram of a time indicator of 10 dots and 20 minutes, and fig. 4 shows a schematic diagram of a time indicator of 1 dot and 30 minutes.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A planetary gear system is characterized by comprising an original hour wheel (3) driven by a basic movement, a first gear shaft (11) fixedly connected with the original hour wheel (3), an hour plate (1) fixedly connected with the first gear shaft (11) and a minute system fixedly arranged on the hour plate (1), wherein the hour plate (1) directly obtains power from the original hour wheel (3) through the first gear shaft (11), rotates synchronously with the original hour wheel (3) by taking the first gear shaft (11) as an axis and is driven by the rotation of the hour plate (1) to revolve by taking the first gear shaft (11) as the axis;

the ratio changing system comprises an attached hour wheel (4) which is arranged on the first gear shaft (11) and synchronously rotates with the original hour wheel (3), a first ratio changing wheel (5) which is meshed with the attached hour wheel (4), a second ratio changing wheel (6) which coaxially and synchronously rotates with the first ratio changing wheel (5), a sun gear shaft sleeve (7) which is meshed with the second ratio changing wheel (6) and a sun wheel sheet (8) which is connected with the sun gear shaft sleeve (7) into a whole and synchronously rotates, the minute system comprises a minute disc (2) which is arranged at the upper side of the small hour disc (1), a planet wheel sheet (9) which is arranged at the lower side of the small hour disc (1) and a minute disc shaft sleeve (16), and the upper end of the minute disc shaft sleeve (16) is closely matched and connected with a through hole on the minute disc (2); the lower end of the clock dial shaft sleeve (16) is connected with the planet wheel sheet (9) into a whole, and the planet wheel sheet (9) is meshed and connected with the sun wheel sheet (8), so that the sun wheel sheet (8) drives the clock dial (2) to rotate through the planet wheel sheet (9) and the clock dial shaft sleeve (16).

2. An epicyclic gear system according to claim 1, wherein said hour plate (1) is provided with first through holes communicating up and down; the clock dial (2) is connected with the planet wheel sheet (9) through a clock dial shaft sleeve (16) penetrating through the first through hole, so that the planet wheel sheet (9) drives the clock dial (2) to synchronously rotate, and the planet wheel sheet (9) indirectly obtains power from the original time wheel (3) through a ratio-changing system.

3. An epicyclic gear system according to claim 2, further comprising a central cannon pinion (17) fixed to the movement bridge; the minute system further comprises a minute hand gear shaft (14) arranged in the first through hole and a minute hand (13) which is connected with the upper end of the minute hand gear shaft (14) and synchronously rotates with the minute hand gear shaft (14), the minute hand (13) is arranged on the upper side of the minute disc (2), and the lower end of the minute hand gear shaft (14) is meshed with the central minute wheel sheet (17).

4. An epicyclic gear system according to claim 3, wherein the time wheel (3) rotates once every 12 hours, the timing wheel (4) has 48 teeth, the first ratio wheel (5) has 18 teeth, the second ratio wheel (6) has 27 teeth, the sun sleeve (7) has 36 teeth, the sun plate (8) has 60 teeth and the planet plate (9) has 60 teeth.

5. An epicyclic gear system according to claim 4, wherein the time wheel (3) rotates once every 12 hours, the number of teeth of the central cannon pinion (17) is 99, and the number of teeth of the minute hand gear shaft (14) is 9.

6. A watch, characterized in that it comprises a planetary gear system according to any of claims 1-5.