CN217506377U

CN217506377U - Thin type easy-to-overhaul movement structure of mechanical watch

Info

Publication number: CN217506377U
Application number: CN202221731595.4U
Authority: CN
Inventors: 赖立跃; 叶福庆
Original assignee: Guangzhou Pinlun Watch & Clock Co ltd
Current assignee: Guangzhou Pinlun Watch & Clock Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-09-27
Anticipated expiration: 2032-07-06

Abstract

The utility model provides a slim easy maintenance core structure of mechanical watch, including the splint, the back of splint is provided with automatic cochain mechanism and drive mechanism, in the automatic cochain mechanism, the automatic hammer is connected with the hammer wheel, first cochain gear, the switching-over wheel, mesh in proper order between cochain gear train and the big steel wheel, it is contrary at the switching-over wheel and realize that the switching-over wheel is contrary to end contrary subassembly top pressure, in the drive mechanism, the spring wheel, the second wheel, the tricycle, first second wheel, mesh in proper order between first second wheel and the second wheel, the rotation of second wheel and escapement subassembly meshing and second wheel is controlled by the escapement subassembly. This core structure makes automatic cochain mechanism and drive mechanism be in the coplanar through reasonable setting to reduce the thickness of core, and can independently overhaul, need not to dismantle other parts, thereby reduce and overhaul the degree of difficulty, improve maintenance efficiency.

Description

Thin type easy-to-overhaul movement structure of mechanical watch

Technical Field

The utility model relates to a clock and watch technical field especially involves a mechanism structure is easily overhauld to slim of mechanical watch.

Background

A mechanical watch is a common watch at present, and a movement of the mechanical watch generally comprises an automatic winding mechanism, a transmission mechanism, a GMT travel mechanism and a GMT timing mechanism. The core of present mechanical watch adopts automatic chain winding mechanism and drive mechanism superimposed structure mutually, and this kind of structure can make automatic chain winding mechanism and drive mechanism not be in the coplanar to increased the thickness of core, in addition, when the core breaks down, can't independently overhaul automatic chain winding mechanism and drive mechanism, need dismantle simultaneously a plurality of mechanisms and could overhaul, just so caused the difficulty of assembly and maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem, provide a slim easy maintenance core structure of mechanical watch, this core structure is through reasonable setting, makes automatic cochain mechanism and drive mechanism be in the coplanar to reduce the thickness of core effectively, and can independently overhaul automatic cochain mechanism and drive mechanism, need not to dismantle other parts, thereby reduce the maintenance degree of difficulty, improve maintenance efficiency.

The utility model discloses a realize above-mentioned purpose, the technical scheme who adopts is: the utility model provides a slim easy maintenance core structure of mechanical watch, includes the splint, the back of splint is provided with automatic cochain mechanism and drive mechanism, automatic cochain mechanism includes automatic hammer, hammer wheel, first cochain gear, reverse wheel, ends contrary subassembly, cochain gear train and spring barrel, automatic hammer is connected with the hammer wheel, the hammer wheel meshes with first cochain gear mutually, first cochain gear meshes with the reverse wheel mutually, it is contrary on reverse wheel and realize the reverse wheel and prevent reverse to prevent contrary subassembly roof pressure, reverse wheel meshes with the cochain gear train mutually, the big steel wheel on spring barrel meshes with the spring wheel gear train mutually, the spring wheel and the drive mechanism linkage of spring barrel and output kinetic energy to drive mechanism, drive mechanism includes two rounds, tricycle, first seconds wheel, second seconds wheel, first third wheel and escape assembly, the spring wheel meshes with the second wheel mutually, the second wheel is meshed with the third wheel, the third wheel is meshed with the first second wheel, the first second wheel is meshed with the first third wheel, the first third wheel is meshed with the second wheel, the second wheel is meshed with the escapement assembly, and the rotation of the second wheel is controlled by the escapement assembly.

Further, the hammer wheel sets up in the splint middle part, the escapement subassembly sets up the positive upside at the hammer wheel, the barrel sets up the positive downside at the hammer wheel, first cochain gear, switching-over wheel and cochain gear train setting are down arranged in proper order on the left side of hammer wheel and from last, second wheel, tricycle and two wheel settings are down arranged in proper order on the right side of hammer wheel and from last, first third wheel sets up the right side at the second wheel, first second wheel sets up the right side at the tricycle.

Furthermore, the non-return assembly comprises a pawl spring and a non-return pawl, the pawl spring is pressed on the non-return pawl, and the non-return pawl is pressed on the reversing wheel.

Further, the cochain gear train includes second cochain gear, third cochain gear and fourth cochain gear, the switching-over wheel meshes with second cochain gear mutually, last down mesh in proper order between second cochain gear, the third cochain gear and the fourth cochain gear, fourth cochain gear meshes with big steel wheel mutually.

Further, the escapement assembly comprises a balance wheel, a pallet and an escape wheel, the second-wheel is meshed with the escape wheel, the escape wheel is connected with the pallet, the pallet is connected with the balance wheel, and a balance spring is arranged on the balance wheel.

The GMT travel mechanism is arranged on the front face of the clamping plate and comprises a minute wheel, an hour wheel, a GMT gear, a positioning spring, a second third wheel, a third wheel and a fourth wheel, the three wheels are meshed with the minute wheel to drive the minute wheel to rotate, the minute wheel is meshed with the second wheel, the second wheel is respectively meshed with the hour wheel and the third wheel, the third wheel is meshed with the fourth wheel, a spiral spring with a barb is arranged on the fourth wheel, the spiral spring is pressed against the GMT gear and can shift the GMT gear to rotate, and the positioning spring is pressed against the GMT gear and can limit the rotation angle of the GMT gear.

The GMT timing mechanism is arranged on the front face of the clamping plate and comprises a core, a clutch wheel and a passing wheel set, the core is connected with the clutch wheel, the core can be pulled to enable the clutch wheel to be meshed with the passing wheel set, and the passing wheel set is meshed with the second passing wheel.

Furthermore, the third through wheel group comprises a fifth through wheel, a sixth through wheel, a seventh through wheel and an eighth through wheel, the clutch wheel can be meshed with the fifth through wheel by pulling the handle core, the fifth through wheel, the sixth through wheel, the seventh through wheel and the eighth through wheel are meshed in sequence, and the eighth through wheel is meshed with the second through wheel.

The utility model has the advantages that: the utility model discloses in, through arranging each gear part rationally, make automatic cochain mechanism and drive mechanism be in the coplanar to reduce the thickness of core effectively, and can independently overhaul automatic cochain mechanism and drive mechanism, need not to dismantle other parts, thereby reduce and overhaul the degree of difficulty, improve maintenance efficiency, in addition, newly-increased second wheel and overwheel in drive mechanism lets the train arrange more freely, with the requirement of arranging of realization more different functions and needle position.

Drawings

Fig. 1 is a back schematic view of the movement structure;

fig. 2 is a schematic front view of the movement structure;

FIG. 3 is a schematic view of the automatic winding mechanism;

FIG. 4 is a schematic view of the transmission mechanism;

description of the labeling: the automatic winding mechanism 1, the hammer wheel 11, the first winding gear 12, the reversing wheel 13, the backstopping assembly 14, the pawl spring 141, the backstopping pawl 142, the winding gear set 15, the second winding gear 151, the third winding gear 152, the fourth winding gear 153, the barrel 16, the large steel wheel 161, the spring wheel 162, the transmission mechanism 2, the second wheel 21, the three wheel 22, the first second wheel 23, the second wheel 24, the first third wheel 25, the escape assembly 26, the balance 261, the escape fork 262, the escape wheel 263, the GMT travel time mechanism 3, the minute wheel 31, the hour wheel 32, the GMT gear 33, the positioning spring 34, the second third wheel 35, the third wheel 36, the fourth wheel 37, the volute spring 371, the GMT timing mechanism 4, the grip core 41, the clutch wheel 42, the third wheel set 43, the fifth wheel 431, the sixth wheel 432, the seventh wheel 433, and the eighth wheel 434.

Detailed Description

The present invention will be further described with reference to the following embodiments and accompanying drawings.

As shown in fig. 1 and 2, a thin easy-to-repair movement structure of a mechanical watch comprises a clamping plate, wherein an automatic winding mechanism 1 and a transmission mechanism 2 are arranged on the back surface of the clamping plate, and a GMT timing mechanism 3 and a GMT timing mechanism 4 are arranged on the front surface of the clamping plate.

As shown in fig. 3, the automatic winding mechanism 1 includes an automatic hammer, a hammer wheel 11, a first winding gear 12, a reverser wheel 13, a backstop assembly 14, a winding gear set 15, and a barrel 16. The automatic hammer is connected with the hammer wheel 11 and swings under the change of gravity to drive the hammer wheel to rotate. The hammer wheel 11 is meshed with the first upper chain gear 12, the first upper chain gear 12 is meshed with the reversing wheel 13 to achieve reversing, the non-return component 14 is pressed against the reversing wheel 13 to achieve non-return of the reversing wheel 13, the reversing wheel 13 is meshed with the upper chain gear set 15, and the upper chain gear set 15 is meshed with the large steel wheel 161 on the spring barrel 16. The kinetic energy generated by the automatic hammer is stored in the barrel 16 by the above-described structure, and the barrel 162 of the barrel 16 is interlocked with the transmission mechanism 2 and outputs the kinetic energy to the transmission mechanism 2.

In the automatic winding mechanism 1, the non-return assembly 14 comprises a pawl spring 141 and a non-return pawl 142, the pawl spring 141 bearing against the non-return pawl 142, the non-return pawl 142 bearing against the reverser wheel 13.

In the automatic winding mechanism 1, the winding gear set 15 includes a second winding gear 151, a third winding gear 152 and a fourth winding gear 153. The reversing wheel 13 is meshed with the second winding gear 151, the third winding gear 152 and the fourth winding gear 153 are sequentially meshed from top to bottom, and the fourth winding gear 153 is meshed with the large steel wheel 161.

As shown in fig. 4, the transmission 2 includes a second wheel 21, a third wheel 22, a first seconds wheel 23, a second seconds wheel 24, a first third wheel 25, and an escapement assembly 26. The spring wheel 162 meshes with the second wheel 21, the second wheel 21 meshes with the third wheel 22, the third wheel 22 meshes with the first seconds wheel 23, the first seconds wheel 23 meshes with the first third wheel 25, the first third wheel 25 meshes with the second seconds wheel 24, the second seconds wheel 24 meshes with the escapement assembly 26 and the rotation of the second seconds wheel 24 is controlled by the escapement assembly 26.

In the transmission 2, the escape assembly 26 includes a balance 261, a pallet 262, and an escape wheel 263, the second seconds wheel 24 is engaged with the escape wheel 263, the escape wheel 263 is connected to the pallet 262, and the pallet 262 is connected to the balance 261. The escapement wheel 263 is forced to rotate to push the escapement fork 262 to swing in a deflection way, the escapement fork 262 pushes the balance 261 to swing, the balance 261 is provided with a balance spring, and the balance 261 circularly swings back and forth under the elastic influence of the balance spring, so that the escapement wheel 263 is controlled to rotate at a constant angular speed every second.

In the overall structure at the splint back, hammer wheel 11 sets up in the splint middle part, escape assembly 26 sets up the side directly over hammer wheel 11, barrel 16 sets up the side directly under hammer wheel 11, first cochain gear 12, switching-over wheel 13 and cochain gear train 15 set up in the left side of hammer wheel 11 and from last arranging in proper order down, second wheel 24, tricycle 22 and second wheel 21 set up in the right side of hammer wheel 11 and from last arranging in proper order down, first third wheel 25 sets up in the right side of second wheel 24, first second wheel 23 sets up in the right side of tricycle 22.

Through the setting, arrange each gear part rationally, make automatic cochain mechanism 1 and drive mechanism 2 be in the coplanar, thereby reduce the thickness of core effectively, and can independently overhaul automatic cochain mechanism 1 and drive mechanism 2, need not to dismantle other parts, thereby reduce the maintenance degree of difficulty, improve maintenance efficiency, furthermore, newly-increased second wheel 24 and first third wheel 25 in drive mechanism 2, let the train arrange more freely, in order to realize more different functions and needle position requirement of arranging.

As shown in fig. 2, the GMT travel mechanism 3 includes a minute wheel 31, an hour wheel 32, a GMT gear 33, a positioning spring 34, a second third wheel 35, a third wheel 36, and a fourth wheel 37. The three wheel 22 is meshed with the minute wheel 31, the transmission mechanism 2 transmits power to the minute wheel 31 through the three wheel 22 to drive the minute wheel 31 to rotate, the minute wheel 31 is meshed with the second third wheel 35, the second third wheel 35 is respectively meshed with the hour wheel 32 and the third wheel 36, the third wheel 36 is meshed with the fourth wheel 37, the fourth wheel 37 is provided with a volute spring 371 with a barb, the volute spring 371 is pressed on the GMT gear 33 and can shift the GMT gear 33 to rotate, and the positioning spring 34 is pressed on the GMT gear 33 and can limit the rotation angle of the GMT gear 33.

The GMT timing mechanism 4 includes a handle core 41, a clutch pulley 42, and a third pulley set 43. The core 41 is connected with the clutch wheel 42, and the clutch wheel 42 can be meshed with the third wheel set 43 by pulling the core 41, and the third wheel set 43 is meshed with the second third wheel 35. The third wheel set 43 includes a fifth third wheel 431, a sixth third wheel 432, a seventh third wheel 433, and an eighth third wheel 434, the clutch wheel 42 can be engaged with the fifth third wheel 431 by pulling the handle core 41, the fifth third wheel 431, the sixth wheel 432, the seventh third wheel 433, and the eighth wheel 434 are sequentially engaged with each other, and the eighth wheel 434 is engaged with the second wheel 35. When the timing is performed, the handle core 41 is pulled to engage the clutch wheel 42 with the fifth intermediate wheel 431, and when the handle core 41 is rotated clockwise, the GMT gear 33 and the hour wheel 32 are rotated clockwise, and when the handle core 41 is rotated counterclockwise, the hour wheel 32 is rotated counterclockwise, and the GMT gear 33 is stationary. The independent time setting of the GMT hour hand and the central hour hand can be completed by rotating the handle core 41 in different clockwise and counterclockwise directions, so that the time setting mechanism is simplified, and the design and manufacturing cost of the time setting mechanism is reduced.

The above embodiments are only used to conveniently illustrate the present invention, and are not intended to limit the present invention in any form, and any person who knows commonly in the technical field has, if not departing from the technical features of the present invention, the equivalent embodiments of the present invention which make local changes or modifications are utilized, and the technical features of the present invention are not departed from, and are still within the scope of the technical features of the present invention.

Claims

1. The utility model provides a thin easy maintenance core structure of mechanical watch which characterized in that: the automatic spring winding mechanism comprises a clamping plate, an automatic winding mechanism and a transmission mechanism are arranged on the back of the clamping plate, the automatic winding mechanism comprises an automatic hammer, a hammer wheel, a first winding gear, a reversing wheel, a non-return component, a winding gear set and a spring barrel, the automatic hammer is connected with the hammer wheel, the hammer wheel is meshed with the first winding gear, the first winding gear is meshed with the reversing wheel, the non-return component is pressed on the reversing wheel and realizes non-return of the reversing wheel, the reversing wheel is meshed with the winding gear set, the winding gear set is meshed with a large steel wheel on the spring barrel, the spring wheel of the spring barrel is linked with the transmission mechanism and outputs kinetic energy to the transmission mechanism, the transmission mechanism comprises a second wheel, a third wheel, a first second wheel, a first third wheel and an escape component, the spring wheel is meshed with the second wheel, the second wheel is meshed with the third wheel, the third wheel is meshed with the first second wheel, the first seconds wheel is meshed with the first third wheel, the first third wheel is meshed with the second seconds wheel, the second seconds wheel is meshed with the escapement assembly, and the rotation of the second seconds wheel is controlled by the escapement assembly.

2. The thin easy-to-overhaul movement structure of a mechanical watch according to claim 1, characterized in that: the hammer wheel sets up at the splint middle part, the escapement subassembly sets up the positive upside at the hammer wheel, the spring barrel sets up the positive downside at the hammer wheel, first cochain gear, switching-over wheel and cochain gear train setting down arrange in proper order in the left side of hammer wheel and from last, second seconds wheel, tricycle and two wheel settings down arrange in proper order on the right side of hammer wheel and from last, first third wheel sets up the right side at the second seconds wheel, first seconds wheel sets up the right side at the tricycle.

3. The thin easy-to-overhaul movement structure of a mechanical watch according to claim 1, characterized in that: the non-return assembly comprises a pawl spring and a non-return pawl, the pawl spring is pressed on the non-return pawl, and the non-return pawl is pressed on the reversing wheel.

4. The thin easy-to-overhaul movement structure of a mechanical watch according to claim 1, characterized in that: cochain gear train includes second cochain gear, third cochain gear and fourth cochain gear, the switching-over wheel meshes with second cochain gear mutually, from last down mesh mutually in proper order between second cochain gear, third cochain gear and the fourth cochain gear, fourth cochain gear meshes with big steel wheel mutually.

5. The thin easy-to-overhaul movement structure of a mechanical watch according to claim 1, characterized in that: the escapement assembly comprises a balance wheel, an escapement fork and an escapement wheel, the second-phase wheel is meshed with the escapement wheel, the escapement wheel is connected with the escapement fork, the escapement fork is connected with the balance wheel, and a balance spring is arranged on the balance wheel.

6. The thin easy-to-overhaul movement structure of a mechanical watch according to claim 1, characterized in that: the GMT timing mechanism is arranged on the front face of the clamping plate and comprises a minute wheel, an hour wheel, a GMT gear, a positioning spring, a second third wheel, a third wheel and a fourth wheel, the three wheels are meshed with the minute wheel to drive the minute wheel to rotate, the minute wheel is meshed with the second wheel, the second wheel is respectively meshed with the hour wheel and the third wheel, the third wheel is meshed with the fourth wheel, a spiral spring with a barb is arranged on the fourth wheel, the spiral spring is pressed against the GMT gear and can shift the GMT gear to rotate, and the positioning spring is pressed against the GMT gear and can limit the rotation angle of the GMT gear.

7. The thin easy-to-overhaul movement structure of a mechanical watch according to claim 6, characterized in that: the GMT timing mechanism is arranged on the front face of the clamping plate and comprises a core, a clutch wheel and a passing wheel set, the core is connected with the clutch wheel, the clutch wheel can be meshed with the passing wheel set by pulling the core, and the passing wheel set is meshed with the second passing wheel.

8. A thin easy-to-overhaul movement structure of a mechanical watch according to claim 7, characterized in that: the third through wheel group comprises a third through wheel, a fourth through wheel, a seventh through wheel and a seventh through wheel, the clutch wheel can be meshed with the third through wheel by pulling the handle core, the third through wheel, the sixth through wheel, the seventh through wheel and the eighth through wheel are meshed in sequence, and the eighth through wheel is meshed with the second through wheel.