CN217606247U

CN217606247U - Transmission mechanism for watch movement and watch

Info

Publication number: CN217606247U
Application number: CN202221561502.8U
Authority: CN
Inventors: 况文洪; 段小朋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-18
Anticipated expiration: 2032-06-22

Abstract

The utility model belongs to the wrist-watch field especially relates to a drive mechanism and wrist-watch for watch movement. Comprises a base, wherein a central shaft is arranged on the base; the planet carrier and the first gear are sleeved on the central shaft, and the planet carrier and the first gear are relatively fixed, so that the planet carrier can rotate around the central shaft along with the first gear; a plurality of planet wheels rotatably arranged on the planet carrier; the central wheel is sleeved on the central shaft and is relatively fixed with the base, and the central wheel is in transmission connection with the planet wheel; set up on the planet carrier and with the relative fixed character dish of planet wheel, when the planet carrier rotated, the character dish revolved around the center pin along with the planet carrier, and revolved around self axis under the transmission of first gear and planet wheel. The utility model discloses a gear drive, character dish can the rotation and revolve around the center pin, but the continuous operation alternative display time when having promoted the sight, also has that transmission torque is stable, the drive ratio is invariable, the motion is steady, the core is steady advantage when walking.

Description

Transmission mechanism for watch movement and watch

Technical Field

The utility model belongs to the wrist-watch field especially relates to a drive mechanism and wrist-watch for watch movement.

Background

With the development of society, people are not only for timing and material benefit, but also pay more attention to the aesthetic feeling of wearing and the symbolism of identity. Some watches in the market at present display date or time by rotating a character disc or rotating a pointer to the character disc adopt various transmission mechanisms, so that the ornamental value is improved, but the watches also have the defects of unstable transmission torque, unstable motion and unstable movement when a machine core runs.

Therefore, a transmission mechanism for a watch movement and a watch with stable transmission torque, stable movement and stable movement travel time are needed.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide a drive mechanism and wrist-watch for watch movement, the character dish can the rotation and revolve around the center pin, can be used to the continuous operation and show date or time in turn, when having promoted the sight, also has that transmission torque is stable, the drive ratio is invariable, the motion is steady, the core is steady advantage when walking.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a transmission mechanism for a watch movement, comprising:

the base is provided with a central shaft;

the planet carrier and the first gear are sleeved on the central shaft, the first gear is used for being connected to a power output mechanism of a machine core, and the planet carrier and the first gear are relatively fixed, so that the planet carrier can rotate around the central shaft along with the first gear;

a plurality of planet wheels rotatably arranged on the planet carrier;

the central wheel is sleeved on the central shaft and is relatively fixed with the base, and the central wheel is in transmission connection with the planet wheel;

the character disc is arranged on the planet carrier and is relatively fixed with the planet wheel, when the planet carrier rotates, the character disc rotates along with the planet carrier around the central shaft, and the character disc rotates around the axis of the character disc under the transmission of the first gear and the planet wheel.

Furthermore, a plurality of character areas are arranged on the character disc, a scale area is arranged on the base, and when the planet carrier rotates, the character areas of the character discs are alternately close to the scale area.

Further, the character area includes a pointer, and the pointer points to the scale area when the character area is close to the scale area.

Further, the base comprises a bottom plate and a support arranged on the bottom plate, and the scale area is arranged on the support.

Further, the number of the character disks is 3 or 4.

Preferably, when the number of the character disks is 3, at least 4 character areas are arranged on the character disks, and the transmission ratio of the central wheel to the planet wheel is 4.

Preferably, when the number of the character disks is 4, at least 3 character areas are arranged on the character disks, and the transmission ratio of the central wheel to the planet wheel is 3.

Furthermore, a second gear is further arranged on the planet carrier and is respectively meshed with the central gear and the planet gear.

The utility model also provides a watch, include a drive mechanism for watch movement, first gear is connected with the power take off transmission of core, works as during power take off output power, first gear will drive the planet carrier rotates, and passes through character dish instruction time information.

Further, the watch includes a first transmission mechanism and a second transmission mechanism, the first transmission mechanism and the second transmission mechanism are both provided with the transmission mechanism for the watch movement, the character disc of the first transmission mechanism is used for indicating hour information, the character disc of the second transmission mechanism is used for indicating minute information, and the transmission ratio of the first gear of the first transmission mechanism and the first gear of the second transmission mechanism is 1.

The utility model has the advantages that:

the utility model has the advantages that the central shaft is arranged, and the planet carrier and the first gear which are relatively fixed are arranged on the central shaft, so that when the first gear is connected to the power output mechanism of the machine core, the planet carrier can rotate along with the first gear; by arranging a plurality of relatively fixed planet wheels and character discs around the planet carrier, when the planet carrier is rotated, the planet wheels rotate under the transmission of a central wheel relatively fixed with the base, so that the character discs can rotate and revolve around the central shaft, and can be used for continuously running to alternately display date or time; by arranging the character area on the character disc and the scale area on the base, when the planet carrier rotates, the character area on the character disc is alternately close to the scale area and is matched with the scale area to realize the indication of time or date; by setting the pointer, the pointer in the character area can point to the scale area conveniently, and the display precision is improved; the transmission between the central wheel and the planet wheel is realized by arranging the second gear; the first transmission mechanism and the second transmission mechanism can be used for indicating hours and minutes respectively by arranging the first transmission mechanism and the second transmission mechanism; the utility model discloses a gear drive, character dish can the rotation and revolve around the center pin, but the continuous operation alternative display time when having promoted the sight, also has that transmission torque is stable, the drive ratio is invariable, the motion is steady, the core is steady advantage when walking.

Drawings

Fig. 1 is an exploded view of a transmission mechanism according to embodiment 1 of the present invention;

fig. 2 is a sectional view of a transmission mechanism according to embodiment 1 of the present invention;

fig. 3 is a schematic diagram of a movement track of the direction indicator according to embodiment 1 of the present invention;

fig. 4 is an exploded view of the transmission mechanism according to embodiment 2 of the present invention;

fig. 5 is a sectional view of the transmission mechanism according to embodiment 2 of the present invention;

fig. 6 is a schematic structural view of a wristwatch according to embodiment 5 of the present invention;

the following are marked in the figure: 1-base, 110-scale area, 120-bottom plate, 130-support; 2-central axis; 3-a planet carrier; 4-a first gear; 5-a planet wheel; 6-a central wheel; 7-character disk, 710-first character disk, 720-second character disk, 730-third character disk, 740-fourth character disk, 750-character region, 751-pointer; 8-a second gear; 9-a first transmission mechanism; 10-a second transmission mechanism; 11-a third gear; 12-track.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1 to 6, there is shown an embodiment of a transmission mechanism for a watch movement and a watch according to the present invention.

With reference to fig. 1, a transmission mechanism for a watch movement comprises:

the device comprises a base 1, wherein a central shaft 2 is arranged on the base 1;

the planet carrier 3 and the first gear 4 are sleeved on the central shaft 2, the first gear 4 is used for being connected to a power output mechanism of the machine core, and the planet carrier 3 and the first gear 4 are relatively fixed, so that the planet carrier 3 can rotate around the central shaft 2 along with the first gear 4;

a plurality of planet wheels 5 rotatably arranged on the planet carrier 3;

the central wheel 6 is sleeved on the central shaft 2 and is relatively fixed with the base 1, and the central wheel 6 is in transmission connection with the planet wheel 5;

set up on planet carrier 3 and with planet wheel 5 relatively fixed character dish 7, when planet carrier 3 rotated, character dish 7 revolved around center pin 2 along with planet carrier 3, and revolved around self axis under the transmission of first gear 4 and planet wheel 5.

Referring to fig. 1 and 2, in the above embodiment, when the first gear 4 is connected to the power output mechanism of the movement, the first gear 4 rotates, and the planet carrier 3 rotates along with the first gear 4 because the planet carrier 3 and the first gear 4 are relatively fixed; the planet carrier 3 and the first gear 4 may be directly fixed together or integrally formed, in this embodiment, the planet carrier 3 and the first gear 4 are fixed relatively by the central shaft 2, and the central shaft 2 is located at the geometric center of the planet carrier 3 and the first gear 4. The planet wheels 5 are arranged around the planet carrier 3 and surround the central shaft 2, the distances between the planet wheels 5 and the central shaft 2 are equal, when the planet carrier 3 rotates, a plurality of planet wheels 5 arranged on the planet carrier 3 revolve around the central shaft 2, and the position alternation among the planet wheels 5 is realized; since the character wheel 7 is arranged on the planet carrier 3 and is fixed relative to the planet wheels 5, a positional alternation between a plurality of character wheels 7 is also achieved. The central wheel 6 is sleeved on the central shaft 2 and is relatively fixed with the base 1, so when the planet carrier 3 rotates, the planet wheel 3 also rotates around the central wheel 6 at the same time, and the planet wheel 3 rotates, thereby realizing the rotation of the character disc 7; the rotation and revolution of the character wheel 7 can be used for displaying the date or time alternately in continuous operation. The transmission mechanism adopts gear transmission and has the advantages of stable transmission torque, constant transmission ratio, stable movement and stable movement of the machine core.

Referring to fig. 1, in the above embodiment, the character plate 7 is provided with a plurality of character areas 750, the base 1 is provided with the scale area 110, and when the planet carrier 3 rotates, the character areas 750 of the plurality of character plates 7 are alternately close to the scale area 110. The character area 750 includes a pointer 751, and the pointer 751 points to the scale area 110 when the character area 750 is close to the scale area 110. In the embodiment, positions of a plurality of character disks 7 are alternated, the character disks 7 rotate to realize alternation between the character areas 750, and the date or time information indicated by the current character disk 7 can be read through the character area corresponding to the pointer 751 pointing to the scale area 110.

Referring to fig. 6, in an alternative embodiment, the base 1 includes a base plate 120 and a bracket 130 disposed on the base plate 120, and the calibration area 110 is disposed on the bracket 130.

In the embodiment, the planet carrier 3 is further provided with a second gear 8, and the second gear 8 is respectively engaged with the central wheel 6 and the planet wheel 5, so that transmission between the central wheel 6 and the planet wheel 5 is realized.

Referring to fig. 1 and 4, in the embodiment, the number of the character disks 7 is 3 or 4. When the number of the character disks 7 is 3, at least 4 character areas 750 are arranged on the character disks 7, and the transmission ratio of the central wheel 6 to the planet wheel 5 is 4. When the number of the character disks 7 is 4, at least 3 character areas 750 are arranged on the character disks 7, and the transmission ratio of the central wheel 6 to the planet wheel 5 is 3.

Example 1:

referring to fig. 1 and fig. 2, in this embodiment, the number of the character disks 7, the planetary wheels 5, and the second gears 8 is 3, the second gears 8 are respectively engaged with the center wheel 6 and the

planetary wheels

5, and 4 character areas 750 are provided on the character disks 7, where

characters

1, 4, 7, and 10 are distributed on the first character disk 710,

characters

2, 5, 8, and 11 are distributed on the second character disk 720, and

characters

3, 6, 9, and 12 are distributed on the third character disk 730; in the embodiment, the carrier 3 rotates clockwise, the second gear 8 engaged with the center gear 6 rotates clockwise, and the dial 7 engaged with the second gear 8 rotates counterclockwise.

If the numbers in the character area 750 on the character wheel 7 are ordered from small to large in the counterclockwise direction, the transmission ratio between the central wheel 6 and the planetary wheel 5 is 4. Referring to fig. 3, the second dial 720 and the third dial 730 are combined to make the number of the character area 750 to be 1, 2, 3, 4 \823012when the scale area 110 is close to the character area 750 every 1/3 turn of the planet carrier 3. In the working process, the character disc 7 continuously rotates, the numbers are alternately displayed, the transmission torque is stable, the movement is stable, and the movement is stable.

In an embodiment, the pointer 751 is a triangle arranged on the character area 750 and pointing to the scale area 110, referring to fig. 3, the track 12 is a running track of the pointer 751, and the scale divisions from 0 to 60 are formed on the scale area 110, so that a user can determine an hour through numbers on the character area 750, determine a minute through the scale divisions on the scale area 110 pointed by the pointer 751, and realize display of time in combination.

Similarly, when the transmission ratio of the central wheel 6 to the planet wheel 5 is 4, it is only necessary that the numbers on the character area 750 on the character disc 7 are ordered from small to large in the clockwise direction, so that every 1 revolution of the planet carrier 3, the first character disc 710 will rotate 1/4 of a revolution and the character area 750 is close to the scale area 110, thus presenting the effect of alternating

numbers

1, 4, 7 and 10.

In the present embodiment, the planet carrier 3 is located between the planet wheels 5 and the character wheel 7, the central wheel 6 is located below the planet carrier 3, and the first gear 4 is located below the base 1.

Example 2:

referring to fig. 4 and fig. 5, in this embodiment, the number of the character disks 7 and the planetary gears 5 is 4, the number of the second gears 8 is 2, the second gears 8 are respectively engaged with the center wheel 6 and the two planetary gears 5, at least 3 character areas 750 are arranged on the character disks 7, wherein

characters

1, 5, and 9 are distributed on the first character disk 710,

characters

2, 6, and 10 are distributed on the second character disk 720,

characters

3, 7, and 11 are distributed on the third character disk 730, and

characters

4, 8, and 12 are distributed on the fourth character disk 740; the planet carrier 3 rotates clockwise, the second gear 8 engaged with the center gear 6 rotates clockwise, and the character wheel 7 engaged with the second gear 8 rotates counterclockwise.

If the numbers in the character area 750 on the character disc 7 are ordered from small to large in the counterclockwise direction, the transmission ratio of the central wheel 6 and the planetary wheel 5 is 3, that is, when the planet carrier 3 rotates 1 turn around the central shaft 2, the planetary wheel 5 will drive the character disc 7 to rotate 2/3 turns, so that the first character disc 710 will rotate 2/3 turns and the character area 750 is close to the scale area 110, and the effect of alternating

numbers

1, 5 and 9 is presented when the planet carrier 3 rotates 1 turn. The second character plate 720, the third character plate 730 and the fourth character plate 740 are matched, so that when the planet carrier 3 rotates for 1/4 circle, the character area 750 is close to the scale area 110, and the effect that the numbers are 1, 2, 3 and 4 \823012and 12 is presented. As in embodiment 1, the transmission ratio of the central wheel 6 to the planetary wheel 5 may also be 3, and the scale division from 0 to 60 is provided on the scale area 110, so that a user can determine the hour through the numbers in the character area 750, determine the minute through the scale in the scale area 110 pointed by the pointer 751, and implement time display in combination.

In the present embodiment, the planetary carrier 3 is located below the center wheel 6, the planetary wheels 5 and the character wheel 7, and the first gear 4 is located between the base 1 and the planetary carrier 3.

Example 3:

referring to fig. 6, similar to embodiment 2, in this embodiment, the number of the character disks 7 and the planet wheels 5 is 4, the number of the second gears 8 is 2, the second gears 8 are respectively engaged with the center wheel 6 and the two planet wheels 5, at least 3 character areas 750 are arranged on the character disk 7, wherein characters 5, 25, and 45 are distributed on the first character disk 710, characters 10, 30, and 50 are distributed on the second character disk 720, characters 15, 35, and 55 are distributed on the third character disk 730, and characters 20, 40, and 60 are distributed on the fourth character disk 740; in the embodiment, the scale division of 0 to 5 is provided on the scale area 110, and the user can determine the minute information by adding the number displayed when the character area 750 on the character wheel 7 approaches the scale area 110 and the scale on the scale area 110 pointed by the pointer 751.

Example 4:

this embodiment provides a wrist-watch, includes foretell a drive mechanism for watch movement, and first gear 4 is connected with the power take off transmission of core, and when power take off output power, first gear 4 will drive planet carrier 3 and rotate to instruct time information through character dish 7.

Example 5:

referring to fig. 6, the present embodiment provides a wristwatch including a first transmission mechanism 9 and a second transmission mechanism 10, and the first transmission mechanism 9 and the second transmission mechanism 10 are both provided with a transmission mechanism for a movement of the wristwatch, wherein the first transmission mechanism 9 is the transmission mechanism described in embodiment 2, and the character wheel 7 thereof is used for indicating hour information, and the second transmission mechanism 10 is the transmission mechanism described in embodiment 3, and the character wheel 7 thereof is used for indicating minute information. A third gear 11 for speed change is further arranged between the first transmission mechanism 9 and the second transmission mechanism 10, and the third gear 11 is connected to a power output mechanism of the movement, wherein the transmission ratio of the first gear 4 of the first transmission mechanism 9 and the first gear 4 of the second transmission mechanism 10 is 1.

In summary, the present embodiment provides a transmission mechanism for a watch movement and a watch, by providing a central shaft 2 and providing a planet carrier 3 and a first gear 4 which are relatively fixed on the central shaft 2, when the first gear 4 is connected to a power output mechanism of the movement, the planet carrier 3 can rotate along with the first gear 4; by arranging a plurality of relatively fixed planet wheels 5 and character disks 7 around the planet carrier 3, when the planet carrier 3 is rotated, the planet wheels 5 rotate under the transmission of a central wheel 6 relatively fixed with the base 1, so that the character disks 7 can rotate and revolve around the central shaft 2, and can be used for continuously running to alternately display date or time; by arranging the character area 750 on the character disc 7 and the scale area 110 on the base 1, when the planet carrier 3 rotates, the character area 750 on the character disc 7 is alternately close to the scale area 110 and cooperates with the scale area 110 to realize the indication of time or date; by setting the pointer 751, the pointer 751 of the character area 750 is convenient to point to the scale area 110, and the display precision is improved; the second gear 8 is arranged to realize the transmission between the central wheel 6 and the planet wheel 5; the first transmission mechanism 9 and the second transmission mechanism 10 are arranged, so that the first transmission mechanism 9 and the second transmission mechanism 10 can be used for indicating hours and minutes respectively; the utility model discloses a gear drive, character dish 7 can the rotation and around 2 revolutions of center pin, but continuous operation alternate display time when having promoted the sight, also has the advantage that transmission torque is stable, the drive ratio is invariable, the motion is steady, the core is steady when walking.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A transmission mechanism for a watch movement, comprising:

the device comprises a base (1), wherein a central shaft (2) is arranged on the base (1);

the planet carrier (3) and the first gear (4) are sleeved on the central shaft (2), the first gear (4) is used for being connected to a power output mechanism of a machine core, and the planet carrier (3) and the first gear (4) are relatively fixed, so that the planet carrier (3) can rotate around the central shaft (2) along with the first gear (4);

a plurality of planet wheels (5) rotatably arranged on the planet carrier (3);

the central wheel (6) is sleeved on the central shaft (2) and is relatively fixed with the base (1), and the central wheel (6) is in transmission connection with the planet wheel (5);

set up in on planet carrier (3) and with planet wheel (5) relatively fixed character dish (7), when planet carrier (3) rotate, character dish (7) are followed planet carrier (3) are around center pin (2) gyration, and are in first gear (4) and the transmission of planet wheel (5) is down revolved around self axis.

2. A transmission mechanism for a watch movement according to claim 1, characterised in that said dial (7) is provided with a plurality of character areas (750), said base (1) is provided with a graduated area (110), and when said planet carrier (3) rotates, said character areas (750) of said plurality of dial (7) are alternately adjacent to said graduated area (110).

3. A transmission mechanism for a watch movement according to claim 2, characterised in that the character zone (750) comprises a pointer (751), the pointer (751) pointing towards the scale zone (110) when the character zone (750) is adjacent to the scale zone (110).

4. A transmission mechanism for a watch movement according to claim 2, characterized in that said base (1) comprises a base plate (120) and a support (130) arranged on said base plate (120), said graduated area (110) being arranged on said support (130).

5. A transmission for a watch movement according to any one of claims 2 to 4, characterized in that the number of said dial (7) is 3 or 4.

6. A transmission mechanism for a watch movement according to claim 5, characterised in that when the number of the dial (7) is 3, the dial (7) is provided with at least 4 dial zones (750), the central wheel (6) and the planet wheels (5) having a transmission ratio of 4.

7. A transmission mechanism for a watch movement according to claim 5, characterised in that when the number of the dial (7) is 4, at least 3 dial sectors (750) are provided on the dial (7), the transmission ratio of the central wheel (6) and the planet wheels (5) being 3.

8. A transmission mechanism for a watch movement according to claim 1, characterised in that a second gear (8) is also provided on the planet carrier (3), the second gear (8) meshing with the central wheel (6) and the planet wheels (5) respectively.

9. A watch comprising a transmission mechanism for a watch movement according to any one of claims 1 to 8, said first gear (4) being in transmission connection with a power take-off of the movement, said first gear (4) driving said planet carrier (3) to rotate and indicating time information via said dial (7) when said power take-off outputs power.

10. A watch according to claim 9, characterised in that it comprises a first transmission mechanism (9) and a second transmission mechanism (10), said first transmission mechanism (9) and said second transmission mechanism (10) each being provided with a transmission mechanism of the kind described for a watch movement, said dial (7) of said first transmission mechanism (9) being intended to indicate hour information, said dial (7) of said second transmission mechanism (10) being intended to indicate minute information, said first toothed wheel (4) of said first transmission mechanism (9) and said first toothed wheel (4) of said second transmission mechanism (10) having a transmission ratio of 1.