CN110083044A - Machine core and clock and watch - Google Patents
Machine core and clock and watch Download PDFInfo
- Publication number
- CN110083044A CN110083044A CN201910061509.XA CN201910061509A CN110083044A CN 110083044 A CN110083044 A CN 110083044A CN 201910061509 A CN201910061509 A CN 201910061509A CN 110083044 A CN110083044 A CN 110083044A
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- CN
- China
- Prior art keywords
- ratchet
- axis
- pawl
- claw
- machine core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B5/00—Automatic winding up
- G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B11/00—Click devices; Stop clicks; Clutches
- G04B11/02—Devices allowing the motion of a rotatable part in only one direction
- G04B11/022—Devices allowing the motion of a rotatable part in only one direction with a ratchet which makes contact with the rotating member by means of teeth
- G04B11/024—Devices allowing the motion of a rotatable part in only one direction with a ratchet which makes contact with the rotating member by means of teeth rotatable about a fixed axis by means of spring action
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B11/00—Click devices; Stop clicks; Clutches
- G04B11/02—Devices allowing the motion of a rotatable part in only one direction
- G04B11/04—Pawl constructions therefor, e.g. pawl secured to an oscillating member actuating a ratchet
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B5/00—Automatic winding up
- G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
- G04B5/10—Automatic winding up by self-winding caused by the movement of the watch by oscillating weights the movement of which is not limited
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
- Electromechanical Clocks (AREA)
Abstract
The present invention provides machine core and clock and watch, the machine core can be realized miniaturization.Machine core (10) has: ratchet (30), can rotate around the 1st axis (O), and be configured to roll tightly on clockwork spring；It with pawl (40), is configured to rotate around the 2nd axis (P), and there is the claw (42) engaged with ratchet (30).The position in the downstream side of the 1st direction of rotation (D1) of the ratchet (30) when claw (42) and the contact portion (60) of ratchet (30) are rolled tightly positioned at the center line (C) than pawl (40) and ratchet (30) by clockwork spring.The terminal surface (46) of claw (42) is at contact portion (60) towards the downstream side of the 1st direction of rotation (D1).
Description
Technical field
The present invention relates to machine cores and clock and watch.
Background technique
In the past, the machine core of mechanical clock had: the driving wheel on barrel of storage power clockwork spring；The ratchet that clockwork spring is rolled tightly；And
The upper rolling wheel system for rotating ratchet.The clockwork spring uncoiling rolled tightly in order to prevent, the pawl and ratchet that the reversion of ratchet is limited
Engaging.It is formed by plate and one end is used as the limitation bar of pawl for example, describing in patent document 1.
Patent document 1: Japanese Unexamined Patent Publication 52-162172 bulletin
But in the technology described in patent document 1, limitation bar is configured to therefore match across ratchet radially
The space for setting limitation bar needs at the position being overlapped with ratchet.Therefore, machine core becomes large-scale on the thickness direction of ratchet
Change.Moreover, in the technology described in patent document 1, it is also necessary to for maintaining the structure of the posture of pawl, therefore, there is also
Machine core also becomes the worry of enlargement in the plane.Therefore, conventionally, existing makes machine core and has the machine core
The project of clock and watch miniaturization.
Summary of the invention
Therefore, the present invention provides the machine core and clock and watch that can be realized miniaturization.
Machine core of the invention is characterized in that the machine core has: ratchet, can rotate around the 1st axis, and set
Clockwork spring can be rolled tightly by being set to；And pawl, it is configured to rotate around the 2nd axis, and have and engage with the ratchet
Claw, the contact site of the claw and the ratchet in than the center line of the pawl and the ratchet by clockwork spring volume
The position in the downstream side of the 1st direction of rotation of ratchet when tight, the surface of the claw is at the contact portion towards institute
State the downstream side of the 1st direction of rotation.
According to the present invention, act on the torque in the direction opposite with the 1st direction of rotation
When ratchet, in the center line than ratchet and pawl at the position in the downstream side of the 1st direction of rotation, ratchet is from the 1st direction of rotation
Downstream side contacted with the claw of pawl.Therefore, the claw of pawl top in a manner of limiting ratchet towards the rotation of the 1st direction of rotation
Firmly ratchet.Thereby, it is possible to limit ratchet rotation while maintaining the posture of claw in the case where not using other component.From
And even if making the compact in size of claw, pawl can also rotated as limitation ratchet to the opposite direction of the 1st direction of rotation
Component and function.Therefore, compared with the case where a part for limiting bar as conventional art is used as pawl, energy
It is enough that the machine core that miniaturization can be achieved is provided.
In above-mentioned machine core, it is preferred that when from the axis direction of the 2nd axis, at the contact portion
Normal pass through the 2nd axis.
According to the present invention, the component of the normal direction in the power from ratchet for acting on claw at contact portion is towards the
Therefore the effect of 2 axis is able to suppress the case where claw of pawl rotate around the 2nd axis and deviated relative to ratchet.Therefore, spine
Wheel is reliably withstood by the claw of pawl, can reliably be limited ratchet and be rotated to the opposite direction of the 1st direction of rotation.
In above-mentioned machine core, it is preferred that the claw has contact surface, and the contact surface includes the contact portion,
When from the axis direction of the 2nd axis, the contact surface extends in the arc-shaped centered on the 2nd axis.
According to the present invention, even if acting on claw in the case where any position of the contact surface in ratchet and pawl portion contacts
The power from ratchet in normal direction component also towards the 2nd axis act on.Therefore, it can allow for and ratchet and pawl
The positional shift of relative position etc. is adjoint, contact portion positional shift.
In above-mentioned machine core, it is preferred that the machine core is also equipped with force application part, the force application part and the pawl
Engaging, to the claw towards the ratchet force-application, the force application part is configured to: in the axis side from the 2nd axis
To when observation, at least part of the force application part is overlapped with the pawl.
According to the present invention, compared with the whole situation about being arranged side by side with pawl of force application part when from both forward and reverse directions,
The space of configuration pawl and force application part can be reduced.Therefore, machine core can be made more to minimize.
In above-mentioned machine core, it is preferred that the force application part is the cantilever engaged at terminal part with the pawl
Beam, and middle part is arranged at than base end part and terminal part farther away from the position of the 2nd axis.
In accordance with the invention it is possible to which the maximum outside diameter of force application part on the basis of inhibiting by the 2nd axis P is true while becoming larger
Protect the length of cantilever beam.Therefore, the design freedom of the miniaturization of force application part and the active force of force application part can be taken into account
It improves.
Clock and watch of the invention are characterized in that the machine core for having above-mentioned.
According to the present invention, due to having the machine core that can be realized miniaturization, clock and watch can be made to minimize.
In accordance with the invention it is possible to provide the machine core and clock and watch that miniaturization can be achieved.
Detailed description of the invention
Fig. 1 is the outside drawing of the clock and watch of embodiment.
Fig. 2 is the top view of the machine core of embodiment from face side.
Fig. 3 is the cross-sectional view of the III-III line in Fig. 2.
Fig. 4 is the top view of the pith of the machine core of embodiment from face side.
Fig. 5 is the cross-sectional view of the V-V line in Fig. 2.
Fig. 6 is the figure for illustrating the movement of machine core of embodiment.
Fig. 7 is the figure for illustrating the movement of machine core of embodiment.
Label declaration
1: clock and watch；10: machine core；23: clockwork spring；30: ratchet；40: pawl；42: claw；46: terminal surface (contact surface)；50:
Ratchet spring (force application part)；51: base end part；52: middle part；53: terminal part；60: contact portion；O: the 1 axis；P: the 2 axis
Line；D1: the 1 direction of rotation；C: center line；N: normal.
Specific embodiment
Hereinafter, based on attached drawing, embodiments of the present invention will be described.Also, in the following description, to phase
The identical label of structure tag of same or similar function.Also, the repeat description of these structures is omitted sometimes.
In general, by include clock and watch drive part mechanical body be referred to as " machine core ".After dial plate, needle are installed on the machine core
It is put into clock and watch shell to be formed as " finished product " that the state of finished goods is referred to as clock and watch.The bottom plate of clock and watch substrate will be constituted
In two sides there are " back sides " that the side of the glass of clock and watch shell (there are the sides of dial plate) is referred to as machine machine core.In addition, will
In the two sides of bottom plate there are the side of the shell body rear cover of clock and watch shell (side opposite with dial plate) be referred to as machine core " front
Side ".Also, each gear described below is arranged using the front and back sides direction of machine core as rotation axis direction.
Fig. 1 is the outside drawing of the clock and watch of embodiment.
As shown in Figure 1, the table that the finished product of the clock and watch 1 of present embodiment is constituted in not shown shell body rear cover and glass 2
Have in shell 3: machine core 10；Dial plate 4, having indicates at least with the scale of the information of time correlation etc.；And pointer, packet
It includes and indicates the hour hands 5 of hour, indicate the minute hand 6 of minute and the second hand 7 of expression second.Clock and watch 1 are so-called automatic winding formulas
Wrist-watch, make pendulum rotation (not shown) by the movement of user, thus make via automatic winding train as the dynamic of clock and watch 1
The clockwork spring 23 (referring to Fig. 3) in power source rolls tightly.In addition, clock and watch 1 also can be by manually rolling tightly clockwork spring 23, by revolving button 8
Turn, thus rolls tightly clockwork spring 23 via hand winding train.
Fig. 2 is the top view of the machine core of embodiment from face side.Fig. 3 is the section view of the III-III line in Fig. 2
Figure.
As shown in Figures 2 and 3, machine core 10 has: bottom plate 11；It is arranged to lean on the barrel clamping plate 12 of face side than bottom plate 11；
It is accommodated with the driving wheel on barrel 20 of clockwork spring 23；It is configured to the ratchet 30 for rolling tightly clockwork spring 23；With the pawl engaged with ratchet 30
The pawl 40 in portion 42；And the ratchet spring 50 (force application part) engaged with pawl 40.Although also, machine core 10 has driving wheel on barrel
20, include it is (not shown) No. two wheel, No. three wheel, No. four wheel etc. face side train and include balance spring mechanism, catch
The escapement speed-adjusting mechanism of vertical wheel, escapement lever etc., but omit detailed description.
As shown in figure 3, driving wheel on barrel 20 includes an axis 21；The barrel 22 being installed on an axis 21；And it is accommodated in barrel 22
In clockwork spring 23.Article axis 21 is supported to by bottom plate 11 and barrel clamping plate 12 and can rotate around the 1st axes O.Barrel 22 is by axis 21
Being supported to can rotate.The medial end of clockwork spring 23 is connect with axis 21.The outboard end of clockwork spring 23 and the inner peripheral surface of barrel 22
Connection.By rotating an axis 21, clockwork spring 23 is rolled tightly as a result,.Recuperability when barrel 22 is by 23 uncoiling of clockwork spring and rotate,
To drive face side train.
Ratchet 30 is configured on axis identical with driving wheel on barrel 20.Ratchet 30 be fixed in it is on an axis 21, be located at item
At part between box 22 and barrel clamping plate 12.Ratchet 30 along around the 1st axes O the 1st direction of rotation D1 (referring to Fig. 4) and article
Axis 21 rotates integrally, and thus rolls tightly the clockwork spring 23 being accommodated in barrel 22.On ratchet 30, answering when due to 23 uncoiling of clockwork spring
Former power, effect have the torque of the 2nd direction of rotation D2 opposite with the 1st direction of rotation D1.It is formed in the peripheral part of ratchet 30 with teeth
31.Gear (such as small click wheel) possessed by automatic winding train or hand winding train is engaged with ratchet 30.
Pawl 40 be configured to from both forward and reverse directions Shi Buyu ratchet 30 be overlapped.Pawl 40 is supported by barrel clamping plate 12
At can be rotated around the 2nd axis P.Specifically, pawl 40 is inserted in the circle being provided for erecting from barrel clamping plate 12 to face side outside
On the bearing cylinder 13 of tubular.The end for supporting the face side of cylinder 13 is formed as smaller than the outer part for being inserted with pawl 40 for supporting cylinder 13
Diameter.Bushing 14 is inserted with outside the end of the face side of bearing cylinder 13.Bushing 14 is by the cascaded surface of bearing cylinder 13 and from front
Side is screwed into the seat surface clamping of the screw 15 of bearing cylinder 13.In the end of the back side of bushing 14, it is provided with towards radial outside and stretches
Flange 14a out.The outer diameter of flange 14a is formed as the diameter bigger than the outer part for being inserted with pawl 40 for supporting cylinder 13.Bushing 14
Than flange 14a by face side part outer diameter be less than screw 15 head outer diameter.Pawl 40 is in barrel clamping plate 12 and lining
State comprising longitudinal clearance between the flange 14a of set 14 is supported on bearing cylinder 13.Also, longitudinal clearance is relative to axis
The clearance in thrust direction.
Fig. 4 is the top view of the pith of the machine core of embodiment from face side.
As shown in figure 4, pawl 40 has: circular base portion 41 is inserted in bearing cylinder 13 outside (referring to Fig. 3)；Claw
42, operation portion 43 and by force application rod 44, they are upwardly extended from base portion 41 in the side vertical with the 2nd axis P；And pin 45,
It is arranged at by force application rod 44.Claw 42 extends towards ratchet 30.Claw 42 contacts at contact portion 60 with ratchet 30.Pawl
The contact portion 60 of portion 42 and ratchet 30 is located at than the center line C of pawl 40 and ratchet 30 by the downstream side of the 1st direction of rotation D1
At position.Also, when from both forward and reverse directions, the center line C of pawl 40 and ratchet 30 is the center the (the 2nd for connecting pawl 40
Axis P) and ratchet 30 center (the 1st axes O) line segment.
Claw 42 has the terminal surface 46 (contact surface) comprising contact portion 60.When from both forward and reverse directions, claw 42
Terminal surface 46 extends in the arc-shaped centered on the 2nd axis P.The terminal surface 46 of claw 42 is towards under the 1st direction of rotation D1
Swim side.The flank of tooth 32 of ratchet 30 is abutted from the downstream side of the 1st direction of rotation D1 and the terminal surface 46 of claw 42.Also, following
Explanation in, the direction in the circumferential direction of the 2nd axis P, end close to the center line C of claw 42 is referred to as engagement direction.
Operation portion 43 is the rod-shaped position operated when manually rotating pawl 40.Operation portion 43 is arranged at and pawl
The different position in portion 42.In the present embodiment, operation portion 43 is set to the opposite side of claw 42 across the 2nd axis P.Also,
As shown in Fig. 2, on barrel clamping plate 12, it is formed at the position that is overlapped when from both forward and reverse directions with the end of operation portion 43
Relief portion 12a, the relief portion 12a are formed in a manner of avoiding operation portion 43.In the present embodiment, relief portion 12a be
The through hole of barrel clamping plate 12 is penetrated through on both forward and reverse directions.Relief portion 12a is for avoiding pawl 40 to behaviour when rotating manually
Make the space that the tool that portion 43 is operated is contacted with barrel clamping plate 12.
As shown in figure 4, being arranged at by force application rod 44 at the position different from claw 42 and operation portion 43.In this embodiment party
In formula, when from both forward and reverse directions, it is arranged between operation portion 43 and center line C by force application rod 44, and across center line C
It is arranged at the opposite side of claw 42.
Fig. 5 is the cross-sectional view of the V-V line in Fig. 2.
As shown in figure 5, being formed with the pin insertion section 44a of the insertion of supply and marketing 45 on by force application rod 44.Selling insertion section 44a is
The hole penetrated through on both forward and reverse directions.
Pin 45 is inserted into pin insertion section 44a from face side and is fixed in by force application rod 44.Pin 45 is formed as positive and negative
What is just upwardly extended is cylindric.In the end of the face side of pin 45, it is formed with the flange part 45a stretched out towards radial outside.
Ratchet spring 50 is configured in the face side of barrel clamping plate 12.Ratchet spring 50 is to apply to pawl 40 to engagement direction
The cantilever beam of power.The base end part 51 of ratchet spring 50 is formed as circular, and is inserted in the end of the face side of bushing 14 outside.Spine
The base end part 51 of latch spring 50 to have the state of longitudinal clearance between the flange 14a of bushing 14 and the seat surface of screw 15, every
Bushing 14 be supported in bearing cylinder 13.
As shown in figure 4, ratchet spring 50 is formed as follows as U-shaped: middle part 52 is arranged at than base end part 51
At position of the terminal part 53 far from the 2nd axis P.In the present embodiment, when from both forward and reverse directions, ratchet spring 50 from
Base end part 51 rises linearly to extend, and then 180 ° is bent in middle part 52, towards terminal part 53 linearly to extend.Base end part
Part 1 54 between 51 and middle part 52, which is located at, leans on engagement direction than the part 2 55 between middle part 52 and terminal part 53
Downstream side position at.The pin 45 of pawl 40 is configured between part 1 54 and part 2 55.Part 2 55 is from engaging
The upstream side in direction is contacted with pin 45.In the present embodiment, terminal part 53 is contacted with pin 45.Part 1 54 is from engagement direction
Downstream side contacted with the abutting pin 16 being fixed on barrel clamping plate 12.Pin 16 is abutted in from both forward and reverse directions, part 1
It is provided for erecting from barrel clamping plate 12 to face side in region between 54 and part 2 55.Ratchet spring 50 is relative to item as a result,
The rotation of box clamping plate 12 towards the opposite direction of engagement direction is limited.Also, ratchet spring 50 is right relative to barrel clamping plate 12
Pin 45 exerts a force towards engagement direction.To which ratchet spring 50 exerts a force to the claw 42 of pawl 40 towards ratchet 30.
Here, being illustrated to the power for acting on pawl 40 and ratchet 30.
Fig. 6 and Fig. 7 is the figure for illustrating the movement of machine core of embodiment, and is the machine of the embodiment from face side
The top view of the pith of core.
As shown in fig. 6, the contact portion 60 of the claw 42 of pawl 40 and ratchet 30, which is located at, leans on the 1st direction of rotation than center line C
The position in the downstream side of D1.The terminal surface 46 of claw 42 is at the contact portion 60 of pawl 40 and ratchet 30 towards the 1st direction of rotation
The downstream side of D1.The flank of tooth 32 of ratchet 30 is contacted from the downstream side of the 1st direction of rotation D1 and the terminal surface 46 of claw 42.In ratchet
30 due to 23 uncoiling of clockwork spring when recuperability and when torque by the 2nd direction of rotation D2, the power F from ratchet 30 acts on pawl
The terminal surface 46 in portion 42.Power F from ratchet 30 is from the contact portion 60 of pawl 40 and ratchet 30 along centered on the 1st axes O
Circle tangential direction effect.
Here, the terminal surface 46 of claw 42 prolongs in the arc-shaped centered on the 2nd axis P when from both forward and reverse directions
It stretches, therefore, the normal N at the contact portion 60 of the flank of tooth 32 of the terminal surface 46 and ratchet 30 of claw 42 passes through the 2nd axis P.To,
The component F1 for acting on the normal N direction in power F on the terminal surface 46 of claw 42, from ratchet 30 makees towards the 2nd axis P
With.Therefore, the claw 42 of pawl 40 withstands ratchet 30 without rotating around the 2nd axis P, to limit ratchet 30 in the 2nd rotation
Rotation on the D2 of direction.
In addition, the claw 42 of pawl 40 is exerted a force by ratchet spring 50 towards ratchet 30.Therefore, claw 42 is from engagement direction
Upstream side, with tooth 31 in multiple teeth 31 of ratchet 30, contacting than the terminal surface 46 with claw 42 by the 1st direction of rotation D1's
The tooth 31 of 1 tooth in upstream side contacts.To which the rotation towards engagement direction of claw 42 is limited, and is able to maintain that and is withstood spine
The state of wheel 30.
On the other hand, as shown in fig. 7, the torque of the 1st direction of rotation D1 when rolling tightly clockwork spring 23 acts on ratchet 30
When, ratchet 30 overcomes the active force of ratchet spring 50, rotates the claw 42 of pawl 40 to the opposite direction of engagement direction.By
This, ratchet 30 is rotated in a manner of making the claw 42 of pawl 40 cross the tooth 31 of ratchet 30 one by one along the 1st direction of rotation D1.
As described above, in the present embodiment, it is configured to, the claw 42 of pawl 40 and the contact of ratchet 30
Portion 60 is located at the position than the center line C of pawl 40 and ratchet 30 by the downstream side of the 1st direction of rotation D1, the claw 42 of pawl 40
Terminal surface 46 towards the downstream side of the 1st direction of rotation D1.
According to this structure, make the direction opposite with the 1st direction of rotation D1 (the 2nd rotation in the uncoiling due to clockwork spring 23
Direction D2) torque when acting on ratchet 30, than center line C at the position in the downstream side of the 1st direction of rotation D1, ratchet 30
The claw 42 in downstream side and pawl 40 from the 1st direction of rotation D1 contacts.Therefore, the claw 42 of pawl 40 is to limit 30 court of ratchet
The mode rotated to the 1st direction of rotation D1 withstands ratchet 30.Thereby, it is possible to maintain on one side in the case where not using other component
The posture of claw 42 limits the rotation of ratchet 30 on one side.To even if making the compact in size of claw 42, pawl 40 can also make
It is functioned for limitation ratchet 30 to the component that the opposite direction of the 1st direction of rotation D1 rotates.Therefore, with by conventional art that
A part of the limitation bar of sample compares as the case where pawl, is capable of providing the machine core 10 and clock and watch 1 that miniaturization can be achieved.
In addition, the claw 42 of pawl 40 is passed through with the normal N at the contact portion 60 of ratchet 30 when from both forward and reverse directions
2nd axis P.According to this structure, the normal N direction in the power F from ratchet 30 of claw 42 is acted at contact portion 60
Component F1 is acted on towards the 2nd axis P.Therefore, be able to suppress following situations: the claw 42 of pawl 40 rotates and phase around the 2nd axis P
Ratchet 30 is deviated.Therefore, ratchet 30 is reliably withstood by the claw 42 of pawl 40, can reliably limit ratchet 30 to
The opposite direction of 1 direction of rotation D1 rotates.
In addition, the claw 42 of pawl 40 have terminal surface 46, wherein the terminal surface 46 include contact portion 60, and from
Extend when both forward and reverse directions are observed in the arc-shaped centered on the 2nd axis P.According to this structure, even if in ratchet 30 and claw 42
Terminal surface 46 any position contact in the case where, act on the normal N direction in the power F from ratchet 30 of claw 42
Component F1 is also acted on towards the 2nd axis P.Therefore, can allow for the positional shift of the relative position of pawl 40 and ratchet 30 etc.
Adjoint, contact portion 60 positional shift.
In addition, ratchet spring 50 is configured to: when from both forward and reverse directions, being overlapped at least partially with pawl 40.Root
It can reduce and match compared with the whole situation about being arranged side by side with pawl of ratchet spring when from both forward and reverse directions according to the structure
Set the space of pawl 40 and ratchet spring 50.Therefore, machine core 10 can be made more to minimize.
In addition, ratchet spring 50 is the cantilever beam engaged at terminal part 53 with pawl 40, and it is arranged on middle part 52
Than base end part 51 and terminal part 53 at the position of the 2nd axis P.According to this structure, can inhibit with the 2nd axis P
On the basis of the maximum outside diameter of ratchet spring 50 ensure the length of cantilever beam while become larger.Therefore, ratchet spring can be taken into account
The raising of the design freedom of the active force of 50 miniaturization and ratchet spring 50.
In addition, pawl 40 has the operation portion 43 extended from base portion 41, on barrel clamping plate 12, from both forward and reverse directions
When the position that is overlapped with the end of operation portion 43 at, be formed with the relief portion 12a formed in a manner of avoiding operation portion 43.According to
The structure can be avoided the tool operated to operation portion 43 and contact with barrel clamping plate 12 when rotating pawl 40 manually,
Therefore, the workability that can be improved when safeguarding machine core 10 etc..
Also, the present invention is not limited by above embodiment described with reference to the accompanying drawings, can be examined in its technical scope
Consider various modifications example.
For example, in the above-described embodiment, ratchet spring 50 is cantilever beam, but not limited to this.For example, ratchet spring can also
To be torsion-coil spring.
In addition, in the above-described embodiment, at the contact portion 60 of the flank of tooth 32 of the terminal surface 46 and ratchet 30 of claw 42
Normal N passes through the 2nd axis P, but not limited to this.Normal at the contact portion of the flank of tooth 32 of the terminal surface and ratchet 30 of claw can also
To intersect between the 1st axes O and the 2nd axis P with center line C.In this case, the power from ratchet 30 of claw is acted on
In normal direction component relative to towards the 2nd axis P direction to engagement direction downstream side deviate, therefore, claw make
With the torque having towards engagement direction.But the upstream side due to claw from engagement direction and the tooth 31 than being contacted with terminal surface
Tooth 31 by 1 tooth in upstream side of the 1st direction of rotation D1 contacts, and therefore, claw can withstand ratchet 30 without to engaging side
To rotation.
In addition, the normal at the contact portion of the flank of tooth 32 of the terminal surface of claw and ratchet 30 can not also be handed over center line C
Fork.In this case, the component of the normal direction in the power from ratchet 30 of claw is acted on relative to the 2nd axis P of direction
Direction deviated to engagement direction upstream side, therefore, effect has torque towards the opposite direction of engagement direction on claw.But
It is that the frictional force at contact portion by suitably setting claw and ratchet 30 is able to suppress claw to the opposite of engagement direction
Direction rotates and withstands ratchet 30.
In addition, in the above-described embodiment, the terminal surface 46 of claw 42 is when from both forward and reverse directions in the 2nd axis P
Centered on arc-shaped extend, but not limited to this.For example, the terminal surface of claw can also be linear when from both forward and reverse directions
Shape extends.
In addition, in the above-described embodiment, the pin 45 of pawl 40 is arranged at by force application rod 44, but the position of pin is arranged
It is not particularly limited.Alternatively, it is also possible to which ratchet spring is arranged to engage with by the position other than force application rod etc., pin.
Furthermore it is possible to without departing from the spirit and scope of the invention suitably by the structural element in above embodiment
Replace with known structural element.
Claims (6)
1. a kind of machine core, which is characterized in that
The machine core has:
Ratchet can rotate around the 1st axis, and be configured to roll tightly on clockwork spring；With
Pawl is configured to rotate around the 2nd axis, and has the claw engaged with the ratchet,
The contact site of the claw and the ratchet than the center line of the pawl and the ratchet by the clockwork spring in rolling tightly
When the ratchet the 1st direction of rotation downstream side position,
The surface of the claw is at the contact portion towards the downstream side of the 1st direction of rotation.
2. machine core according to claim 1, which is characterized in that
When from the axis direction of the 2nd axis, the normal at the contact portion passes through the 2nd axis.
3. machine core according to claim 2, which is characterized in that
The claw has contact surface, and the contact surface includes the contact portion, from the axis direction of the 2nd axis
When, the contact surface extends in the arc-shaped centered on the 2nd axis.
4. according to claim 1 to machine core described in any one in claim 3, which is characterized in that
The machine core is also equipped with force application part, and the force application part engages with the pawl, to the claw towards the ratchet
Force,
The force application part is configured to: when from the axis direction of the 2nd axis, at least the one of the force application part
Part is overlapped with the pawl.
5. machine core according to claim 4, which is characterized in that
The force application part is the cantilever beam engaged at terminal part with the pawl, and the force application part is arranged at middle part
Than base end part and terminal part farther away from the position of the 2nd axis.
6. a kind of clock and watch, which is characterized in that
The clock and watch have machine core described in any one in claim 1 to claim 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-011773 | 2018-01-26 | ||
| JP2018011773A JP7023124B2 (en) | 2018-01-26 | 2018-01-26 | Movement and watches |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110083044A true CN110083044A (en) | 2019-08-02 |
| CN110083044B CN110083044B (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910061509.XA Active CN110083044B (en) | 2018-01-26 | 2019-01-23 | Movement and timepiece |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7023124B2 (en) |
| CN (1) | CN110083044B (en) |
| CH (1) | CH714613B1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112486004A (en) * | 2019-09-12 | 2021-03-12 | 精工时计株式会社 | Switching transmission wheel, automatic winding mechanism, movement for clock and watch and clock and watch |
| CN113467215A (en) * | 2020-03-31 | 2021-10-01 | 伊塔瑞士钟表制造股份有限公司 | Stop pawl for a timepiece movement |
| CN115989462A (en) * | 2020-08-31 | 2023-04-18 | 西铁城时计株式会社 | Gear train holding structure and timepiece |
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| JPS52162172U (en) * | 1976-06-03 | 1977-12-08 | ||
| EP1136892A1 (en) * | 2000-03-20 | 2001-09-26 | Audemars Piguet (Renaud et Papi) SA | Ratcheting drive mechanism for ratchet-wheel in a timepiece winding-mechanism |
| CN101051213A (en) * | 2006-04-07 | 2007-10-10 | Eta瑞士钟表制造股份有限公司 | Reverser mechanism for uni-directional rotational driving of a wheel set |
| CN201302658Y (en) * | 2008-12-01 | 2009-09-02 | 浙江西尔灵钟表有限公司 | Movement device of progressive ringing mechanical alarm clock |
| CN102346425A (en) * | 2010-07-30 | 2012-02-08 | 精工电子有限公司 | Manual winding gear train, clock cassette mechanism equipped with gear train and clock |
| CN104049518A (en) * | 2013-03-12 | 2014-09-17 | 精工电子有限公司 | Torque adjusting device, movement and mechanical clock |
| CN106909049A (en) * | 2015-12-22 | 2017-06-30 | 蒙特雷布勒盖股份有限公司 | Clockwork including setting the pivotal part of the return mechanism that is magnetic |
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| CH158576A (en) * | 1931-09-23 | 1932-11-30 | Mader & Cie | Device for automatic winding of timepieces. |
| JPS54181970U (en) * | 1978-06-13 | 1979-12-22 | ||
| JP4028865B2 (en) | 2004-10-05 | 2007-12-26 | 株式会社ヒポクラテス | Separation structure for separating liquid components from a mixed sample in which the sample and additive liquid are mixed |
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2018
- 2018-01-26 JP JP2018011773A patent/JP7023124B2/en active Active
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2019
- 2019-01-23 CN CN201910061509.XA patent/CN110083044B/en active Active
- 2019-01-24 CH CH00077/19A patent/CH714613B1/en unknown
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855781A (en) * | 1972-12-22 | 1974-12-24 | Suwa Seikosha Kk | Step motor mechanism for electronic timepiece |
| JPS52162172U (en) * | 1976-06-03 | 1977-12-08 | ||
| EP1136892A1 (en) * | 2000-03-20 | 2001-09-26 | Audemars Piguet (Renaud et Papi) SA | Ratcheting drive mechanism for ratchet-wheel in a timepiece winding-mechanism |
| CN101051213A (en) * | 2006-04-07 | 2007-10-10 | Eta瑞士钟表制造股份有限公司 | Reverser mechanism for uni-directional rotational driving of a wheel set |
| CN201302658Y (en) * | 2008-12-01 | 2009-09-02 | 浙江西尔灵钟表有限公司 | Movement device of progressive ringing mechanical alarm clock |
| CN102346425A (en) * | 2010-07-30 | 2012-02-08 | 精工电子有限公司 | Manual winding gear train, clock cassette mechanism equipped with gear train and clock |
| CN104049518A (en) * | 2013-03-12 | 2014-09-17 | 精工电子有限公司 | Torque adjusting device, movement and mechanical clock |
| CN106909049A (en) * | 2015-12-22 | 2017-06-30 | 蒙特雷布勒盖股份有限公司 | Clockwork including setting the pivotal part of the return mechanism that is magnetic |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112486004A (en) * | 2019-09-12 | 2021-03-12 | 精工时计株式会社 | Switching transmission wheel, automatic winding mechanism, movement for clock and watch and clock and watch |
| CN112486004B (en) * | 2019-09-12 | 2024-02-23 | 精工时计株式会社 | Switching drive wheel, automatic winding mechanism, movement for timepiece and timepiece |
| CN113467215A (en) * | 2020-03-31 | 2021-10-01 | 伊塔瑞士钟表制造股份有限公司 | Stop pawl for a timepiece movement |
| CN113467215B (en) * | 2020-03-31 | 2023-02-21 | 伊塔瑞士钟表制造股份有限公司 | Stop pawl for a timepiece movement |
| US11789406B2 (en) | 2020-03-31 | 2023-10-17 | Eta Sa Manufacture Horlogère Suisse | Stop pawl for horological movement |
| CN115989462A (en) * | 2020-08-31 | 2023-04-18 | 西铁城时计株式会社 | Gear train holding structure and timepiece |
Also Published As
| Publication number | Publication date |
|---|---|
| CH714613A2 (en) | 2019-07-31 |
| CN110083044B (en) | 2021-10-29 |
| JP7023124B2 (en) | 2022-02-21 |
| CH714613B1 (en) | 2022-10-31 |
| JP2019128320A (en) | 2019-08-01 |
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