CN112506020A

CN112506020A - Mechanical movement structure of watch

Info

Publication number: CN112506020A
Application number: CN202011499497.8A
Authority: CN
Inventors: 沙胜昔
Original assignee: Shenzhen Ruihui Clock And Watch Co ltd
Current assignee: Shenzhen Ruihui Clock And Watch Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-03-16

Abstract

The invention provides a mechanical movement structure of a watch, which comprises a base plate, a gear power transfer device, a movement and a cover plate, wherein the gear power transfer device is arranged on the base plate and is fixed by using the cover plate; the gear power transfer device comprises an hour hand power gear and a minute hand power gear; the movement is connected with the hour hand power gear and the minute hand power gear; the gear power transfer device also comprises a first gear, a second gear, a third gear, a fourth gear and a fifth gear, wherein the first gear is connected with the hour hand power gear, and the second gear is connected with the first gear; the third gear is connected with the minute hand power gear, and the fourth gear and the fifth gear are respectively connected with the third gear. The mechanical movement structure of the watch provided by the invention realizes that the hour hand, the minute hand and the second hand are respectively displayed at different positions, and can realize various watch designs.

Description

Mechanical movement structure of watch

Technical Field

The invention relates to the technical field of mechanical movement of watches, in particular to a mechanical movement structure of a watch.

Background

In the traditional conventional mechanical watch, the hour hand, the minute hand and the second hand are all positioned at the center of the watch, so that the design diversity of the watch is limited, and the market development requirement cannot be met.

Disclosure of Invention

The invention mainly aims to provide a mechanical movement structure of a watch, and solves the problems.

In order to achieve the purpose, the invention provides a mechanical movement structure of a watch, which comprises a base plate, a gear power transfer device, a movement and a cover plate, wherein the gear power transfer device is arranged on the base plate and is fixed by using the cover plate; the gear power transfer device comprises an hour hand power gear and a minute hand power gear; the movement is connected with the hour hand power gear and the minute hand power gear; the gear power transfer device also comprises a first gear, a second gear, a third gear, a fourth gear and a fifth gear, wherein the first gear is connected with the hour hand power gear, and the second gear is connected with the first gear; the third gear is connected with the minute hand power gear, and the fourth gear and the fifth gear are respectively connected with the third gear.

Preferably, the cartridge provides power.

Preferably, the cartridge is an ETA2824 cartridge.

Preferably, the axle center of the second gear is provided with an hour-hand connecting column.

Preferably, the axle centers of the fourth gear and the fifth gear are both provided with a minute hand connecting column.

Preferably, the mechanical movement structure of the watch further comprises a fly-back second pointer device, the fly-back second pointer device comprises a reset rod, a reset spring, a shifting fork wheel, a third wheel and a cam coaxially connected with the third wheel, the cam is S-shaped, and the third wheel is connected with the movement; the shifting fork wheel comprises a fixed end and a shifting fork end, the fixed end is connected with the shaft centers of the idle wheel and the cam, and the shifting fork end is U-shaped and abuts against the edge of the cam; one end of the reset rod is fixed with the shifting fork wheel, and the other end of the reset rod is fixed on the base plate through a reset rod nail; a groove is formed in the substrate relative to the reset spring, and the reset spring is placed in the groove; the reset rod is provided with a protrusion, and when the reset rod rotates, the protrusion stirs the reset spring.

Preferably, the return spring is U-shaped.

Preferably, the return spring includes a first side and a second side, the first side being shorter than the second side.

Preferably, the second side is longer than the first side and abuts against the protrusion.

Preferably, the axle center of the shifting fork wheel is provided with a second hand connecting column.

The mechanical movement structure of the watch provided by the invention has the advantages that the hour hand, the minute hand and the second hand are innovatively displayed at different positions, the design limit of the traditional mechanical watch is overcome, and various watch designs can be realized.

Drawings

Fig. 1 is a schematic top view of a mechanical movement structure of a wristwatch according to an embodiment of the present invention;

FIG. 2 is a schematic top view of the mechanical movement of the watch of FIG. 1 with the cover removed;

fig. 3 is an exploded schematic view of a mechanical movement structure of a wristwatch according to an embodiment of the present invention;

fig. 4 is an exploded schematic view of a substrate and a fly-back second indicator device of a mechanical movement structure of a watch according to an embodiment of the present invention;

fig. 5 is a design diagram illustrating the distribution of the hour hand, minute hand, and second hand of the watch dial of the mechanical movement structure of the watch according to the embodiment of the present invention.

In the figure, 10, a substrate; 20. a gear power transfer device; 30. a movement; 40. a cover sheet; 210. an hour hand power gear; 220. a minute hand power gear; 201. a first gear; 202. a second gear; 203. a third gear; 204. a fourth gear; 205. a fifth gear; 510. a reset lever; 520. a reset spring; 530. A fork-moving wheel; 540. passing a wheel; 550. a cam; 560. a reset bar nail; 531. a fixed end; 532. a fork end; 5101. a collar; 5102. a protrusion; 521. a first side edge; 522. a second side edge; 1001. an hour hand; 1002. a minute hand pointer; 1003. a second hand; 2001. the hour hand is connected with the column; 2002. needle separating and column connecting; 2003. the second hand is connected with the column.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a mechanical movement structure of a watch according to an embodiment of the present invention includes a base plate 10, a gear power transfer device 20, a movement 30 and a cover plate 40, where the gear power transfer device 20 is disposed on the base plate 10 and fixed by the cover plate 40, and the base plate 10 is fixed to the movement 30; the gear power transfer device 20 comprises an hour hand power gear 210 and a minute hand power gear 220; the movement 30 is connected with the hour hand power gear 210 and the minute hand power gear 220; the gear power transfer device 20 further comprises a first gear 201, a second gear 202, a third gear 203, a fourth gear 204 and a fifth gear 205, wherein the first gear 201 is connected with the hour hand power gear 210, and the second gear 202 is connected with the first gear 201; the third gear 203 is connected to the minute hand power gear 220, and the fourth gear 204 and the fifth gear 205 are connected to the third gear 203, respectively. The movement 30 provides power, and in one embodiment of the present invention, the movement 30 is an ETA2824 movement.

Specifically, the gear power transfer device 20 is fixed on the base plate 10, the cover plate 40 covers the gear power transfer device 20, then the base plate 10 is screwed to form an integrated structure, and then the integrated assembly is screwed to the 2824 movement 30 to be connected and assembled. Specifically, during operation, the hour hand power gear 210 drives the first gear 201, and the first gear 201 drives the second gear 202, so as to realize the purpose of transferring the hour hand from the axis position of the hour hand power gear 210 to the axis position of the second gear 202, and the axis of the second gear 202 is provided with an hour hand connecting column 2001 for connecting the hour hand. Similarly, the minute hand power gear 220 drives the third gear 203, and the third gear 203 drives the fourth gear 204, so that the minute hand is transferred from the axis position of the minute hand power gear 220 to the axis position of the fourth gear 204; similarly, the third gear 203 drives the fifth gear 205, so as to realize the purpose of transferring the minute hand pointer from the axial position of the minute hand power gear 220 to the axial position of the fifth gear 205; the axes of the fourth gear 204 and the fifth gear 205 are both provided with a minute hand connecting column 2002. Therefore, the positions of the hour hand and the minute hand can be transferred through the gear power transfer device 20, and the effect of dispersing the positions of the hour hand and the minute hand is achieved.

The mechanical movement structure of the watch further comprises a fly-back second pointer device, the fly-back second pointer device comprises a reset rod 510, a reset spring 520, a shifting fork wheel 530, a third wheel 540 and a cam 550 coaxially connected with the third wheel 540, the cam 550 is S-shaped, and the third wheel 540 is connected with the movement 30; the shifting fork wheel 530 comprises a fixed end 531 and a shifting fork end 532, the fixed end 531 is connected with the axes of the idle wheel 540 and the cam 550, and the shifting fork end 532 is U-shaped and abuts against the edge of the cam 550; when the idler wheel 540 rotates, the cam 550 is driven to rotate, and because the cam 550 is S-shaped, the edge of the cam 550 drives the shifting fork end 532 to rotate so as to drive the reset rod 510 to move; a lantern ring 5101 is arranged at one end of the reset rod 510, the lantern ring 5101 is fixed with the shifting fork wheel 530, and the other end of the reset rod is fixed on the base plate 10 through a reset rod nail 560; a groove 101 is arranged on the substrate 10 opposite to the return spring 520, and the return spring 520 is placed in the groove 101; the reset rod 510 is provided with a protrusion 5102, and when the reset rod 510 rotates, the protrusion 5102 pokes the reset spring 520. The reset spring 520 is U-shaped, the reset spring 520 includes a first side 521 and a second side 522, the first side 521 is shorter than the second side 522, and the second side 522 is longer than the position of the first side 521 to abut against the protrusion 5102. When the reset rod 510 moves, the first side 521 and the second side 522 of the reset spring 520 are driven to be compressed to generate elastic force, and when the second side 522 reaches a certain position, the reset rod is separated from the protrusion 5102 to realize reset; specifically, in one embodiment of the present invention, the reset occurs every 15 minutes.

A second hand connecting column 2003 is arranged at the axle center of the shifting fork wheel 530.

Referring to fig. 5, the hour hand, minute hand and second hand are displayed at different positions respectively, by connecting an hour hand support 2001, minute hand support 2002 and second hand support 2003 to an hour hand 1001, minute hand 1002 and second hand 1003 respectively.

Compared with the prior art, the mechanical movement structure of the watch provided by the invention has the advantages that the hour hand, the minute hand and the second hand are innovatively displayed at different positions, the design limit of the traditional mechanical watch is overcome, and various watch designs can be realized.

While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.

Claims

1. A mechanical movement structure of a watch is characterized by comprising a base plate, a gear power transfer device, a movement and a cover plate, wherein the gear power transfer device is arranged on the base plate and fixed by the cover plate; the gear power transfer device comprises an hour hand power gear and a minute hand power gear; the movement is connected with the hour hand power gear and the minute hand power gear; the gear power transfer device also comprises a first gear, a second gear, a third gear, a fourth gear and a fifth gear, wherein the first gear is connected with the hour hand power gear, and the second gear is connected with the first gear; the third gear is connected with the minute hand power gear, and the fourth gear and the fifth gear are respectively connected with the third gear.

2. A mechanical movement structure for a wristwatch of claim 1, wherein the movement provides power.

3. A mechanical movement structure for a wristwatch of claim 2, wherein said movement is an ETA2824 movement.

4. A mechanical movement structure for a wristwatch according to claim 1, wherein the axis of said second gear is provided with an hour hand post.

5. A mechanical movement structure for a wristwatch according to claim 1, wherein the axes of said fourth and fifth gears are provided with minute hand spigots.

6. The mechanical movement structure of a watch according to claim 1, further comprising a fly-back second pointer device, wherein the fly-back second pointer device comprises a reset rod, a reset spring, a shifting fork wheel, a third wheel and a cam coaxially connected with the third wheel, the cam is in an S shape, and the third wheel is connected with the movement; the shifting fork wheel comprises a fixed end and a shifting fork end, the fixed end is connected with the shaft centers of the idle wheel and the cam, and the shifting fork end is U-shaped and abuts against the edge of the cam; one end of the reset rod is fixed with the shifting fork wheel, and the other end of the reset rod is fixed on the base plate through a reset rod nail; a groove is formed in the substrate relative to the reset spring, and the reset spring is placed in the groove; the reset rod is provided with a protrusion, and when the reset rod rotates, the protrusion stirs the reset spring.

7. A mechanical movement structure for a wristwatch according to claim 6, wherein said reset spring is U-shaped.

8. A mechanical movement structure for a wristwatch of claim 7, wherein the reset spring includes a first side and a second side, the first side being shorter than the second side.

9. A mechanical movement structure for a wristwatch according to claim 8, wherein said second side is longer than said first side to abut against said projection.

10. The mechanical movement structure of a watch according to claim 6, characterised in that the axis of said fork wheel is provided with a seconds hand catch.