JP2021043111A - Train wheel regulation mechanism, watch movements and watches - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a train wheel regulation mechanism capable of suppressing a decrease in design margin of a movement for a timepiece. SOLUTION: A balance plate 51 and a second wheel 32, a regulation lever 71 provided so as to be in contact with and separate from the balance with the balance plate 51 and operating in conjunction with a winding stem, and a main plate supporting the balance sheet 51 and the second wheel 32. 10 and a second receiver 12 that supports the second wheel 32 together with the main plate 10 and also supports the regulation lever 71. [Selection diagram] Fig. 3

Description

The present invention relates to a train wheel regulation mechanism, a watch movement and a watch.

The conventional mechanical timepiece is provided with a train wheel adjustment mechanism for stopping the second hand when the time is set (see, for example, Patent Document 1). Patent Document 1 has a configuration in which a balance with hairspring adjustment lever for adjusting the rotation of the mandarin duck rotates based on the rotation of the mandarin duck in a state where the needle can be aligned with the winding stem in the second stage. Is disclosed.

Japanese Unexamined Patent Publication No. 2006-234677

By the way, when the regulation lever is arranged on the main plate by being supported by a pin fixed to the main plate, a part of the space on the main plate is occupied by the regulation lever. Therefore, in order to avoid interference between the parts, it is necessary to devise the shape of the parts other than the regulation lever, which reduces the design margin. This is more pronounced as the watch movement is smaller. Therefore, there is room for improvement in the conventional train wheel regulation mechanism in terms of suppressing a decrease in the design margin of the watch movement.

Therefore, the present invention provides a wheel train regulation mechanism capable of suppressing a decrease in the design margin of the watch movement, and a watch movement and a watch provided with the wheel train regulation mechanism.

The train wheel regulation mechanism of the present invention is provided so as to be able to contact and separate the first rotating body and the second rotating body supported by the main plate and the first rotating body, and operates in conjunction with the winding stem. It is characterized by including a lever, a receiving member that supports the second rotating body together with the main plate, and a receiving member that supports the regulation lever.

According to the present invention, the regulation lever can be incorporated into the watch movement without providing a pin or the like for supporting the regulation lever on the main plate. This improves the degree of freedom in the shape of parts other than the regulation lever. Therefore, it is possible to provide a train wheel regulation mechanism capable of suppressing a decrease in the design margin of the watch movement.

In the above-mentioned train wheel regulation mechanism, the second rotating body may be a second wheel to which a minute hand is attached.

According to the present invention, the receiving member is arranged closer to the main plate than other receiving members that support the rotating body to which the second hand is attached together with the main plate. Therefore, the receiving member is arranged at a position closer to the winding stem than the other receiving members in the thickness direction of the main plate. Therefore, it is possible to easily design a configuration in which the regulation lever is operated in conjunction with the winding stem.

The train wheel regulation mechanism may include an urging member that urges the regulation lever with respect to the receiving member.

According to the present invention, since the regulation lever is pressed in one direction by the urging member, it is possible to suppress the rattling of the regulation lever and stabilize the operation of the regulation lever.

In the train wheel regulation mechanism, the receiving member may be formed with a recess for accommodating the regulation lever and the urging member.

According to the present invention, the volume of the space occupied by the regulation lever and the urging member around the recess can be reduced as compared with the configuration in which the recess is not formed in the receiving member. As a result, the degree of freedom in the shape of parts other than the regulation lever and the urging member can be further improved.

In the train wheel regulation mechanism, the urging member may be integrally provided with the regulation lever.

According to the present invention, the number of parts can be reduced as compared with the configuration in which the urging member is provided as a member separate from the regulation lever. As a result, the manufacturing cost can be reduced.

In the train wheel regulation mechanism, the regulation lever includes a lever body supported by the receiving member, an abutting portion supported by the lever body and abutting against the winding stem by the urging force of the urging member. It may be provided with a contact portion supported by the lever body and capable of contacting the first rotating body.

According to the present invention, by displacing the winding stem in the axial direction, the contact portion can be displaced together with the lever body according to the shape of the winding stem. As a result, the contact portion supported by the lever body can be brought into contact with and separated from the first rotating body. Therefore, the regulation lever can be operated in conjunction with the winding stem.

The train wheel regulation mechanism includes an interlocking portion that displaces in conjunction with the axial displacement of the winding stem, and the regulation lever is supported by a lever body supported by the receiving member and the lever body. An engaging portion formed so as to be engaged with the interlocking portion and a contact portion supported by the lever body and capable of contacting the first rotating body may be provided.

According to the present invention, by displacing the winding stem in the axial direction, the engaging portion can be displaced together with the lever body with the displacement of the interlocking portion. As a result, the contact portion supported by the lever body can be brought into contact with and separated from the first rotating body. Therefore, the regulation lever can be operated in conjunction with the winding stem.

In the above-mentioned train wheel regulation mechanism, the regulation lever may include an elastically deformed portion formed so as to be flexible and deformable.

According to the present invention, the contact pressure between the regulation lever and the first rotating body can be reduced by bending and deforming the elastically deformed portion. Therefore, damage to the first rotating body due to contact with the regulation lever can be suppressed.
Further, when the regulation lever is separated from the first rotating body, the regulation lever repels the first rotating body by restoring the elastically deformed portion, and a rotational force can be applied to the first rotating body. As a result, the operation of the first rotating body can be restarted quickly.

In the train wheel regulation mechanism, the regulation lever includes an elastically deformable portion formed so as to be flexible and deformable, and the contact portion is in a state where the contact portion is in contact with the first rotating body. May come into contact with.

According to the present invention, the rotation of the lever body by the urging member is restricted by bringing the contact portion into contact with the winding stem, so that only the restoring force due to the bending deformation of the elastically deformed portion is first rotated from the contact portion. It can act on the body. As a result, the contact pressure between the regulation lever and the first rotating body can be reduced. Therefore, damage to the first rotating body due to contact with the regulation lever can be suppressed.
Further, when the regulation lever is separated from the first rotating body, the regulation lever repels the first rotating body by restoring the elastically deformed portion, and a rotational force can be applied to the first rotating body. As a result, the operation of the first rotating body can be restarted quickly.

In the train wheel regulation mechanism, the regulation lever may be arranged on the side opposite to the main plate with the receiving member interposed therebetween.

According to the present invention, it is possible to prevent the space between the main plate and the receiving member from being occupied by the regulation lever. Therefore, it is possible to improve the degree of freedom in the shape of parts other than the regulation lever arranged between the main plate and the receiving member.

In the train wheel regulation mechanism, the regulation lever may be arranged between the receiving member and the main plate.

According to the present invention, it is possible to prevent the space on the side opposite to the main plate across the receiving member from being occupied by the regulation lever. Therefore, it is possible to improve the degree of freedom in the shape of parts other than the regulation lever arranged on the side opposite to the main plate with the receiving member sandwiched between them.

The watch movement of the present invention is characterized by including the above-mentioned train wheel regulation mechanism.
The timepiece of the present invention is characterized by including the above-mentioned timepiece movement.

According to the present invention, the decrease in design margin is suppressed. Therefore, it is possible to obtain a watch movement and a watch which are easy to assemble and whose manufacturing cost is reduced. In addition, a large number of parts can be arranged around the regulation lever, and a multifunctional watch movement and a timepiece having a large number of parts can be provided.

INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide a train wheel regulation mechanism capable of suppressing a decrease in the design margin of a watch movement, and a watch movement and a watch having the wheel train regulation mechanism.

It is a top view of the clock of 1st Embodiment. It is a top view which looked at the movement which concerns on 1st Embodiment from the front side. FIG. 3 is a cross-sectional view taken along the line III-III of FIG. It is a top view which saw a part of the movement which concerns on 1st Embodiment from the front side. It is a perspective view which shows the 2nd receiving, the regulation lever and the urging member which concerns on 1st Embodiment. It is a top view which saw a part of the movement which concerns on 1st Embodiment from the front side. It is a top view which saw a part of the movement which concerns on 2nd Embodiment from the front side. It is a top view which saw a part of the movement which concerns on 2nd Embodiment from the front side. It is a top view which saw a part of the movement which concerns on 3rd Embodiment from the front side. It is sectional drawing which shows the movement which concerns on 3rd Embodiment. It is a perspective view which shows the 2nd receiving, the regulation lever and the urging member which concerns on 3rd Embodiment. FIG. 5 is a plan view of a part of the movement according to the fourth embodiment as viewed from the front side. It is sectional drawing which shows the movement which concerns on 4th Embodiment. FIG. 5 is a plan view of a part of the movement according to the fifth embodiment as viewed from the front side. It is sectional drawing which shows the movement which concerns on 5th Embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same reference numerals are given to configurations having the same or similar functions. Then, the duplicate description of those configurations may be omitted.

[First Embodiment]
The first embodiment will be described with reference to FIGS. 1 to 6.
FIG. 1 is a plan view of the clock of the first embodiment.
As shown in FIG. 1, the watch 1 of the present embodiment has a watch case 3 having a case back cover and glass 2 (not shown), a movement 4 (clock movement), a dial 5 having a scale and the like, and a central axis. It includes an hour hand 6, a minute hand 7, and a second hand 8 that rotate around O to indicate the scale of the dial 5.

The movement 4 is arranged between the dial 5 and the case back cover in the watch case 3. Hereinafter, the side of the watch case 3 with the glass 2 (the side with the dial 5) with respect to the movement 4 in the direction along the central axis O is referred to as the "back side" of the movement 4. Further, the side of the watch case 3 with the case back cover (the side opposite to the dial 5) with respect to the movement 4 in the direction along the central axis O is referred to as the "front side" of the movement 4. Further, the direction along the central axis O is referred to as a front-back direction.

FIG. 2 is a plan view of the movement according to the first embodiment as viewed from the front side. FIG. 3 is a cross-sectional view taken along the line III-III of FIG.
As shown in FIGS. 2 and 3, the movement 4 is fronted together with the main plate 10, the front wheel row 30 arranged on the front side of the main plate 10, the back wheel row 40 arranged on the back side of the main plate 10, and the main plate 10. The first and second receivers 12 that support the train wheel 30, the escape governor 50 that controls the rotation of the front train wheel 30, and the train wheel that regulates the balance with hairspring 51, which will be described later, of the escape governor 50. It mainly includes a regulation mechanism 70.

As shown in FIG. 3, the main plate 10 constitutes the substrate of the movement 4. The main plate 10 is formed in a plate shape having thickness in the front and back directions. The main plate 10 is arranged on the front side of the dial 5 (see FIG. 1). The first receiver 11 and the second receiver 12 are arranged on the front side of the main plate 10. The first receiver 11 and the second receiver 12 are fixed to the main plate 10, respectively. The second receiver 12 is arranged closer to the main plate 10 than the first receiver 11. The second receiver 12 is formed so as to overlap the main plate 10 as a whole when viewed from the front side. The second receiver 12 is formed so that at least a part thereof overlaps the first receiver 11 when viewed from the front side. The detailed configuration of the second receiver 12 will be described later.

FIG. 4 is a plan view of a part of the movement according to the first embodiment as viewed from the front side.
As shown in FIG. 4, the main plate 10 is formed with a winding guide hole 10a. The winding stem 13 is incorporated in the winding stem guide hole 10a. The winding stem 13 is supported by the main plate 10 so as to be rotatable and movable in the axial direction of the winding stem 13. The winding stem 13 extends about an axis orthogonal to the central axis O. The winding stem 13 includes a columnar portion 13a extending in the axial direction of the winding stem 13 with a constant outer diameter and an end portion on the center side of the movement 4, and the diameter is gradually reduced from the columnar portion 13a toward the center side of the movement 4. It includes a conical portion 13b. The cross-sectional shape of the cylindrical portion 13a and the conical portion 13b is a circular shape centered on the central axis of the winding stem 13. A crown 9 is connected to the winding stem 13 on the outside of the watch case 3 shown in FIG. The winding stem 13 can be displaced in the axial direction as the crown 9 is pulled out. The winding stem 13 is held at a predetermined position by a switching device described later. In the present embodiment, the winding stem 13 is held at at least two positions: the 0-step position where the winding stem 13 is most inserted inside the movement 4, and the 1-step position where the crown 9 is subtracted by 1 step from the 0-step position. In FIG. 4, the winding stem 13 is located at the 0-step position.

The switching device includes a mandarin duck and a mandarin duck (not shown). The mandarin duck and the mandarin duck are each rotatably provided with respect to the main plate 10. The mandarin duck engages with the winding stem 13 and rotates in conjunction with the axial displacement of the winding stem 13. The mandarin duck engages with the mandarin duck and rotates with the rotation of the mandarin duck. The mandarin duck and the mandarin duck slide with each other as the winding stem 13 is displaced in the axial direction. In the sliding portion of the mandarin duck and the mandarin duck, one of the mandarin duck and the mandarin duck is provided with an engaging portion that engages the other in a detachable manner. The engaging portion engages the mandarin duck and the mandarin duck with each other in a state where the winding stem 13 is located at the 0-step position and the 1-step position, respectively. As a result, the winding stem 13 is held at the 0-step position and the 1-step position, respectively.

A squeeze wheel 21 and a squeeze wheel 22 are assembled to the winding wheel 13. The squeeze wheel 21 and the squeeze wheel 22 are arranged at positions closer to the outside of the movement 4 than the columnar portion 13a. The kit wheel 21 is provided so as to be displaceable in the axial direction with respect to the winding stem 13. The kit wheel 21 is provided so as not to be displaced in the axial direction of the winding stem 13 with respect to the main plate 10. The kit wheel 21 is provided so as to be non-rotatable with respect to the winding stem 13 at the 0-step position and rotatable with respect to the winding stem 13 at the 1-step position. A round hole wheel 23 meshes with the wheel 21 (see FIG. 2). The Tsutsumi wheel 22 is arranged on the center side of the movement 4 with respect to the Kichi car 21. The pinwheel 22 has teeth projecting from the center side of the movement 4. The knob wheel 22 is provided so as to be able to be displaced in the axial direction with respect to the winding stem 13 and to be non-rotatable with respect to the winding stem 13. The squeeze wheel 22 engages with the knuckle and is displaced in the axial direction of the winding stem 13 as the knuckle rotates. Specifically, the knob wheel 22 is displaced with respect to the main plate 10 in a direction opposite to the displacement direction of the winding stem 13 in conjunction with the displacement of the winding stem 13 in the axial direction. The winding wheel 22 is located at a predetermined position in the axial direction with the winding stem 13 at the 0-step position. The winding wheel 22 is located at the meshing position on the center side of the movement 4 with respect to the predetermined position in the axial direction in the state where the winding stem 13 is in the one-step position. The knob wheel 22 meshes with the back wheel 43 of the sun (see FIG. 2) at the meshing position.

As shown in FIG. 2, the front wheel train 30 includes a barrel wheel 31, a second wheel 32, a third wheel 33, a fourth wheel 34, and a second car 35. The barrel wheel 31 is arranged on one side of the central axis of the winding stem 13 when viewed from the front side. The second wheel 32 and the second wheel 35 are arranged coaxially with the central axis O. Most of the third wheel 33 is arranged on the side opposite to the barrel wheel 31 with respect to the central axis of the winding stem 13 when viewed from the front side. The entire fourth wheel 34 is arranged on the same side as most of the third wheel 33 with respect to the central axis of the winding stem 13 when viewed from the front side.

As shown in FIG. 3, the barrel wheel 31 is rotatably supported by the main plate 10 and the first receiver 11. At least a part of the barrel wheel 31 is arranged at the same position as the second receiving 12 in the front and back directions. The barrel wheel 31 includes a barrel 31a, a barrel 31b rotatably supported by the barrel 31a, and a barrel tooth portion 31c projecting from the outer peripheral surface of the barrel 31b. The front end of the barrel 31a is pivotally supported by the first receiver 11 via a bearing held by the first receiver 11. The back end of the barrel 31a is pivotally supported by the main plate 10 via a bearing held by the main plate 10. The barrel 31b is arranged between the main plate 10 and the first receiving 11. The barrel 31b contains a royal fern (not shown). The inner peripheral end of the royal fern is engaged with the barrel barrel 31a. The outer peripheral end of the royal fern is engaged with the inner surface of the barrel 31b. The barrel tooth portion 31c is provided on the main plate 10 side of the second receiver 12 in the front-back direction.

A square hole wheel 36 is attached to the barrel Shin 31a. The square hole wheel 36 is arranged on the front side of the barrel 31b. The square hole wheel 36 is provided on the barrel Shin 31a so as not to rotate relative to each other. The square hole wheel 36 rotates via a transmission gear (partially not shown) of the round hole wheel 23 or the like by rotating the above-mentioned drive wheel 21 (see FIG. 2). When the square hole wheel 36 rotates, the barrel true 31a rotates with respect to the barrel 31b, and the royal fern is wound up. The barrel 31b rotates using the force when the royal fern is unraveled as a power source.

The second wheel 32 is rotatably supported by the main plate 10 and the second receiver 12. The second wheel 32 includes a second true 32a and a second gear 32b assembled to the second true 32a. The second true 32a is formed in a cylindrical shape and extends in the front-back direction with the central axis O as the center. The front end of the second true 32a is pivotally supported by the second receiver 12 via a bearing 26 held by the second receiver 12. The middle portion of the second true 32a in the front-back direction is pivotally supported by the second receiver 12 via a bearing held by the main plate 10. The second true 32a projects to the back side of the main plate 10. The second kana 32c is formed in the portion of the second true 32a located between the main plate 10 and the second receiver 12. The second barrel 32c meshes with the barrel tooth portion 31c of the barrel wheel 31. As a result, the second wheel 32 is rotated by the power of the barrel wheel 31. The second gear 32b is arranged between the main plate 10 and the second receiver 12. The second gear 32b is adjacent to the back side of the second kana 32c. A part of the second gear 32b overlaps the barrel wheel 31 when viewed from the front side.

The third wheel 33 is rotatably supported by the main plate 10 and the first receiver 11. The third wheel 33 includes a third true 33a and a third gear 33b assembled to the third true 33a. The third true 33a extends in the front-back direction. The front end of the Sanbanshin 33a is pivotally supported by the first receiver 11. The end portion on the back side of the Sanbanshin 33a is pivotally supported by the main plate 10. The third true 33a has a third kana (not shown) that meshes with the second gear 32b. As a result, the third wheel 33 is rotated by the power of the barrel wheel 31. The third gear 33b is arranged between the first receiver 11 and the second receiver 12. The third gear 33b overlaps the second receiver 12 when viewed from the front side.

The fourth wheel 34 is rotatably supported by the main plate 10 and the first receiver 11. The fourth wheel 34 includes a fourth true 34a and a fourth gear 34b assembled to the fourth true 34a. The fourth true 34a extends in the front-back direction. The front end of the fourth true 34a is pivotally supported by the first receiver 11. The end portion on the back side of the fourth true 34a is pivotally supported by the main plate 10. The fourth true 34a has a fourth kana 34c that meshes with the third gear 33b. As a result, the fourth wheel 34 is rotated by the power of the barrel wheel 31. The fourth gear 34b is arranged closer to the main plate 10 than the third gear 33b. At least a part of the fourth gear 34b is arranged at the same position as the second receiver 12 in the front and back directions.

The second kana true 35 extends in the front-back direction with the central axis O as the center. The second true 35 is inserted inside the second true 32a. The front end of the second Kana Shin 35 is pivotally supported by the first receiver 11 via a bearing held by the first receiver 11. The middle portion in the front-back direction of the second true 35 is supported on the inner peripheral surface of the second true 32a so as to be relatively rotatable. A second hand 8 is attached to the end on the back side of the second kana true 35. The second kana true 35 has a second kana 35a. The second kana 35a is arranged between the first receiving 11 and the second receiving 12. The second kana 35a meshes with the third gear 33b. As a result, the second kana true 35 is rotated by the power of the barrel wheel 31.

The back wheel train 40 includes a cylinder kana 41, a cylinder wheel 42, and a day back wheel 43.
The tubular kana 41 is formed in a tubular shape as a whole, and is arranged coaxially with the central axis O. The cylinder kana 41 is arranged on the back side of the main plate 10 and is assembled in a slippable state on the outside of the second true 32a. The cylinder kana 41 is rotated by the power of the barrel wheel 31. At the front end of the cylinder kana 41, teeth that mesh with the back wheel 43 of the sun are provided. The cylinder kana 41 rotates while slipping with respect to the second wheel 32 as the winding stem 13 at the first stage position rotates. A minute hand 7 is attached to the end on the back side of the cylinder kana 41.

The cylinder wheel 42 is formed in a tubular shape as a whole, and is arranged coaxially with the central axis O. The cylinder wheel 42 is assembled to the outside of the cylinder kana 41 so as to be relatively rotatable. Teeth are provided at the front end of the cylinder 42. An hour hand 6 is attached to the rear end of the cylinder wheel 42.

The back wheel 43 of the sun is rotatably supported by the main plate 10. The back wheel 43 of the sun meshes with the teeth of the cylinder 41 and the teeth of the cylinder 42, and the rotation of the cylinder 41 is decelerated and transmitted to the cylinder 42. As a result, the cylinder wheel 42 is rotated by the power of the barrel wheel 31.

The escape speed governor 50 includes an escape wheel, an ankle (both not shown), and a balance with hairspring 51. The escape wheel meshes with the fourth gear 34b and rotates by the power transmitted from the barrel wheel 31. The pallet fork escapes the escape wheel and rotates it regularly. The balance with hairspring 51 reciprocates at regular intervals to swing the ankle. The escape governor mechanism 50 controls the rotation of the front train wheel 30 by the regular vibration of the balance with hairspring 51.

The balance with hairspring 51 is arranged on the side opposite to the winding stem 13 with the central axis O in between when viewed from the front side. The balance sheet 51 is arranged so as not to overlap the barrel wheel 31, the third wheel 33, and the fourth wheel 34 when viewed from the front side. The balance with hairspring 51 includes a balance with hairspring 52, a balance with hairspring 53, and a balance spring 54. The balance spring 51 reciprocates around the central axis of the balance spring 52 with a constant vibration cycle by utilizing the power of the balance spring 54. The balance sheet 52 is a rod-shaped member extending in the front-back direction. The balance sheet 52 is pivotally supported by a main plate 10 and a balance sheet receiver (not shown). The balance sheet 52 is press-fitted into the fitting hole of the balance wheel 53 and fixed to the balance wheel 53. The balance wheel 53 includes an annular rim portion 53a that surrounds the balance sheet 52 from the outside in the radial direction, and an arm portion 53b that connects the rim portion 53a and the balance sheet 52 in the radial direction. The rim portion 53a is arranged coaxially with the balance sheet 52. The outer peripheral surface of the rim portion 53a has a constant outer diameter. The balance spring 54 is formed in a spiral shape in the vertical plane of the central axis of the balance spring 52. The inner end of the hairspring 54 is fixed to the balance spring 52. The outer end of the hairspring 54 is fixedly arranged with respect to the main plate 10.

The train wheel adjustment mechanism 70 regulates the balance with hairspring 51 by utilizing the operation of switching the position of the winding stem 13 in the axial direction. The train wheel regulation mechanism 70 is provided with the above-mentioned balance with hairspring 51, second wheel 32 and second receiver 12, and a regulation lever 71 which is provided so as to be able to contact and separate from the balance with hairspring 51 and operates in conjunction with the winding stem 13. An urging member 90 that urges the regulation lever 71 with respect to the second receiver 12 is provided.

FIG. 5 is a perspective view showing the second receiver, the regulation lever, and the urging member according to the first embodiment.
As shown in FIGS. 4 and 5, the second receiver 12 is formed in a plate shape having thickness in the front and back directions. The front surface and the back surface of the second receiver 12 extend along vertical surfaces in the front and back directions, respectively. The second receiver 12 includes a first fixing portion 61 and a second fixing portion 62 fixed to the main plate 10. The first fixing portion 61 is arranged between the winding stem 13 and the fourth wheel 34 when viewed from the front side. The second fixing portion 62 is closer to the first fixing portion 61 than the central axis of the winding stem 13 when viewed from the front side, and the first fixing portion 61 sandwiches the fourth wheel 34 in the circumferential direction around the central axis O. It is located on the opposite side of. When viewed from the front side, the second receiving 12 extends from the first fixing portion 61 to the second fixing portion 62 through the center side of the movement 4 rather than the fourth wheel 34. A bearing holding portion 63 for holding the bearing 26 is formed between the first fixing portion 61 and the second fixing portion 62 of the second receiver 12. The bearing holding portion 63 is arranged on the central axis O. The bearing holding portion 63 is separated from the main plate 10 and the first receiver 11 in the front-back direction (see FIG. 3). The bearing holding portion 63 is formed with a through hole for holding the bearing 26.

A recess 64 and a pin hole 65 (see FIG. 3) are formed in the second receiver 12. The recess 64 is formed on the surface of the second receiver 12 and is recessed on the back side. The recess 64 is formed in a portion of the second receiver 12 excluding the first fixing portion 61, the second fixing portion 62, and the bearing holding portion 63. The recess 64 is formed to have an approximately constant depth. The bottom surface of the recess 64 is located behind the balance wheel 53 of the balance with hairspring 51 (see FIG. 3). The recess 64 includes a first opening 64a and a second opening 64b that open on the side surface of the second receiver 12. The first opening 64a is formed between the first fixing portion 61 and the bearing holding portion 63, and faces the end portion on the center side of the movement 4 in the winding stem 13 when viewed from the front side. The second opening 64b is formed between the second fixing portion 62 and the bearing holding portion 63, and faces the balance with hairspring 51 when viewed from the front side. As shown in FIG. 3, the pin hole 65 penetrates the second receiver 12 in the front-back direction and opens to the bottom surface of the recess 64. The pin hole 65 is formed in a circular cross section.

As shown in FIGS. 4 and 5, a locking portion 66 for locking the urging member 90, which will be described later, is arranged in the recess 64 of the second receiver 12. The locking portion 66 projects outward from the bottom surface of the recess 64. The locking portion 66 is formed in a columnar shape. The locking portion 66 is a pin of a member different from the second receiver 12, and is press-fitted into a hole formed in the second receiver 12. The locking portion 66 is formed with a flange 66a projecting in a direction orthogonal to the front and back directions on the front side of the bottom surface of the recess 64.

The regulation lever 71 is arranged on the side opposite to the main plate 10 with the second receiver 12 interposed therebetween. The regulation lever 71 is arranged in the recess 64 of the second receiver 12. The regulation lever 71 is rotatably supported by the second receiver 12. The rotation center of the regulation lever 71 is located closer to the first fixing portion 61 and the second fixing portion 62 than the central axis of the winding stem 13 when viewed from the front side. The regulation lever 71 includes a first arm 72 and a second arm 73 extending from the center of rotation. The first arm 72 projects outward from the second receiver 12 through the first opening 64a of the recess 64. The first arm 72 is formed so as to be in contact with the winding stem 13. The first arm 72 rotates in conjunction with the axial displacement of the winding stem 13. The second arm 73 projects outward from the second receiver 12 through the second opening 64b of the recess 64. The second arm 73 is formed so as to be in contact with the outer peripheral surface of the balance wheel 53 of the balance with hairspring 51 from the upstream side in the first direction L1 around the center of rotation. The second arm 73 rotates in conjunction with the rotation of the first arm 72. The distance from the center of rotation to the contact portion between the second arm 73 and the balance with hairspring 51 is longer than the distance from the center of rotation to the contact portion between the first arm 72 and the winding stem 13.

Specifically, the regulation lever 71 has the following configuration. The regulation lever 71 is in contact with the support pin 81 held by the second receiver 12, the lever body 82 supported by the second receiver 12 via the support pin 81, and the contact portion 83 supported by the lever body 82. A unit 84 is provided. The support pin 81 is formed in a columnar shape. The support pin 81 is press-fitted into the pin hole 65 of the second receiver 12 from the front side. The support pin 81 is formed with a flange 81a projecting in a direction orthogonal to the front and back directions on the front side of the bottom surface of the recess 64. In the present embodiment, the support pin 81 is formed in the same manner as the locking portion 66 provided on the second receiver 12. The support pin 81 holds the lever body 82 between the bottom surface of the recess 64 and the flange 81a.

The lever body 82 is formed of a plate material having thickness in the front and back directions. The lever body 82 is rotatably supported by a support pin 81. The lever body 82 is arranged along the bottom surface of the recess 64. The lever body 82 is formed thinner than the depth of the recess 64. The portion of the lever body 82 that overlaps the second receiver 12 when viewed from the front side is arranged so as not to protrude toward the front side from the surface of the second receiver 12. The lever body 82 extends outward from the second receiver 12 from each of the first opening 64a and the second opening 64b of the recess 64 to form a part of each of the first arm 72 and the second arm 73. There is.

The contact portion 83 is supported by the lever body 82 on the first arm 72. The contact portion 83 is a separate member from the lever main body 82, and is assembled to the lever main body 82 at the tip end portion of the first arm 72. The contact portion 83 is formed in a columnar shape and is arranged so as to project from the lever main body 82 to the back side. The contact portion 83 faces the outer peripheral surface of the winding stem 13 from the upstream side in the first direction L1. The contact portion 83 is displaced together with the lever body 82 in conjunction with the axial displacement of the winding stem 13.

The contact portion 84 is supported by the lever body 82 on the second arm 73. At least a part of the contact portion 84 is arranged at the same position as the balance wheel 53 of the balance with hairspring 51 in the front-back direction. The contact portion 84 is a separate member from the lever main body 82, and is assembled to the lever main body 82 at the tip end portion of the second arm 73. The contact portion 84 is formed in a columnar shape and is arranged so as to project from the lever main body 82 to the front side. The contact portion 84 faces the outer peripheral surface of the balance wheel 53 of the balance with hairspring 51 from the upstream side in the first direction L1. The contact portion 84 contacts and separates from the balance wheel 53 of the balance with hairspring 51 as the lever body 82 is displaced.

The urging member 90 urges the regulation lever 71 in the first direction L1 with respect to the second receiver 12. The urging member 90 is integrally formed of the same member as the lever body 82 of the regulation lever 71. That is, the urging member 90 and the lever body 82 are formed of a single plate material. The urging member 90 is a cantilever extending from the lever body 82. The base end of the urging member 90 is connected to the lever body 82 of the second arm 73 of the regulation lever 71 on the outside of the second receiver 12 when viewed from the front side. The urging member 90 enters the inside of the recess 64 from the joint with the lever body 82 through the first opening 64a. The urging member 90 is in contact with the outer peripheral surface of the locking portion 66 in the recess 64 from the upstream side of the second direction L2 in the direction opposite to the first direction L1. Of the urging member 90, the entire tip side of the intersection with the first opening 64a is arranged in the recess 64.

Next, the operation of the train wheel regulation mechanism 70 will be described with reference to FIGS. 4 and 6.
FIG. 6 is a plan view of a part of the movement according to the first embodiment as viewed from the front side, and shows a state in which the winding stem 13 is in the one-step position.

When the winding stem 13 is in the 0-step position, the contact portion 83 of the adjusting lever 71 faces the outer peripheral surface of the cylindrical portion 13a of the winding stem 13 from the upstream side in the first direction L1. At this time, the regulation lever 71 is urged in the first direction L1 by the urging member 90. Therefore, the contact portion 83 is in contact with the winding stem 13 by the urging force of the urging member 90. When the contact portion 83 is in contact with the cylindrical portion 13a of the winding stem 13, the contact portion 84 of the regulation lever 71 is separated from the balance wheel 53 of the balance with hairspring 51 on the upstream side in the first direction L1.

When the winding stem 13 is displaced from the 0-step position to the 1-step position, the conical portion 13b of the winding stem 13 is arranged on the downstream side of the contact portion 83 in the first direction L1. Then, the lever body 82 urged in the first direction L1 by the urging member 90 rotates in the first direction L1 so as to bring the contact portion 83 closer to the central axis of the winding stem 13. In the illustrated example, the contact portion 83 is not in contact with the winding stem 13 at the one-step position, but may be in contact with the conical portion 13b of the winding stem 13 at the one-step position. When the lever body 82 rotates in the first direction L1, the contact portion 84 approaches and contacts the outer peripheral surface of the balance wheel 53.

When the winding stem 13 is displaced from the 1st step position to the 0th step position, the lever body 82 resists the urging force of the urging member 90 and separates the contact portion 83 from the central axis of the winding stem 13. It rotates in the second direction L2. When the lever body 82 rotates in the second direction L2, the contact portion 84 is separated from the outer peripheral surface of the balance wheel 53.

As a result, the train wheel adjustment mechanism 70 regulates the balance with hairspring 51 by utilizing the operation of switching the position of the winding stem 13 in the axial direction.

As described above, the train wheel regulation mechanism 70 of the present embodiment supports the regulation lever 71 that operates in conjunction with the winding stem 13 and the second wheel 32 together with the main plate 10, and also supports the regulation lever 71. It is equipped with a second receiver 12.
According to this configuration, the regulation lever 71 can be incorporated into the movement 4 without providing a pin or the like for supporting the regulation lever 71 on the main plate 10. As a result, the degree of freedom in the shape of the parts other than the regulation lever 71 is improved. Therefore, it is possible to provide the train wheel regulation mechanism 70 that can suppress the decrease in the design margin of the movement 4.

Further, the minute hand 7 is attached to the second wheel 32 supported by the second receiver 12.
According to this configuration, the second receiver 12 is arranged closer to the main plate 10 than the first receiver 11 that supports the second receiver 35 to which the second hand 8 is attached together with the main plate 10. Therefore, the second receiver 12 is arranged at a position closer to the winding stem 13 than the first receiver 11 in the front and back directions. Therefore, it is possible to easily design a configuration in which the regulation lever 71 is operated in conjunction with the winding stem 13.

Further, the train wheel regulation mechanism 70 includes an urging member 90 that urges the regulation lever 71 with respect to the second receiver 12.
According to this configuration, since the regulation lever 71 is pressed in one direction by the urging member 90, it is possible to suppress the rattling of the regulation lever 71 and stabilize the operation of the regulation lever 71.

Further, the second receiver 12 is formed with a recess 64 for accommodating the regulation lever 71 and the urging member 90.
According to this configuration, the volume of the space occupied by the regulation lever 71 and the urging member 90 around the recess 64 can be reduced as compared with the configuration in which the recess is not formed in the second receiver. As a result, the degree of freedom in the shape of parts other than the regulation lever 71 and the urging member 90 can be further improved.

Further, the urging member 90 is integrally provided with the regulation lever 71.
According to this configuration, the number of parts can be reduced as compared with the configuration in which the urging member is provided as a member separate from the regulation lever. As a result, the manufacturing cost can be reduced.

Further, the regulation lever 71 includes a lever body 82 supported by the second receiver 12, an abutting portion 83 supported by the lever body 82 and abutting against the winding stem 13 by the urging force of the urging member 90, and the lever body 82. A contact portion 84, which is supported by the lever and is capable of contacting the balance with hairspring 51, is provided.
According to this configuration, by displacing the winding stem 13 in the axial direction, the contact portion 83 can be displaced together with the lever body 82 according to the shape of the winding stem 13. As a result, the contact portion 84 supported by the lever body 82 can be brought into contact with and separated from the balance with hairspring 51. Therefore, the regulation lever 71 can be operated in conjunction with the winding stem 13.

Further, the regulation lever 71 is arranged on the side opposite to the main plate 10 with the second receiver 12 interposed therebetween.
According to this configuration, it is possible to prevent the space between the main plate 10 and the second receiver 12 from being occupied by the regulation lever 71. Therefore, it is possible to improve the degree of freedom in the shape of parts other than the regulation lever 71 and the urging member 90 arranged between the main plate 10 and the second receiver 12.

Since the movement 4 and the clock 1 of the present embodiment include the above-mentioned train wheel adjustment mechanism 70, a decrease in design margin is suppressed. Therefore, the movement 4 and the watch 1 can be easily assembled and the manufacturing cost can be reduced. Further, a large number of parts can be arranged around the regulation lever 71, and a multifunctional movement 4 and a timepiece 1 can be provided.

In the present embodiment, the urging member 90 is locked to the locking portion 66 protruding into the recess 64 of the second receiver 12, but for example, the urging member is locked to the side wall surface of the recess 64. The second receiver may be formed as such.

[Second Embodiment]
Next, the second embodiment will be described with reference to FIG. 7. In the first embodiment, the contact portion 84 of the regulation lever 71 is provided as a separate member from the lever body 82. On the other hand, the second embodiment is different from the first embodiment in that the contact portion 184 of the regulation lever 171 is provided as the same member as the lever body 182. Further, the second embodiment is different from the first embodiment in that the second arm 173 is formed so as to be flexible and deformable. The configuration other than that described below is the same as that of the first embodiment.

FIG. 7 is a plan view of a part of the movement according to the second embodiment as viewed from the front side, and shows a state in which the winding stem 13 is in the 0-step position.
As shown in FIG. 7, the lever body 182 extends in the second arm 173 of the regulation lever 171 with a width similar to that of the urging member 90 when viewed from the front side, and is formed so as to be flexible and deformable. The contact portion 184 is integrally formed of the same member as the lever body 182. The contact portion 184 is formed by bending the plate material forming the lever body 182 toward the front side at the tip of the second arm 173. The contact portion 184 is formed so as to make line contact with the outer peripheral surface of the balance wheel 53 of the balance with hairspring 51.

FIG. 8 is a plan view of a part of the movement according to the second embodiment as viewed from the front side, and shows a state in which the winding stem 13 is in the one-step position.
As shown in FIG. 8, when the winding stem 13 is in the one-step position, the contact portion 83 contacts the conical portion 13b of the winding stem 13 from the upstream side in the first direction L1. Further, the contact portion 184 contacts the outer peripheral surface of the balance wheel 53. At this time, the lever body 182 is bent and deformed at the second arm 173 of the regulation lever 171. The torque in the second direction L2 generated by the lever body 182 is smaller than the torque in the first direction L1 generated by the urging member 90. Since the abutting portion 83 is in contact with the winding stem 13 from the upstream side of the first direction L1, the urging force of the urging member 90 is restricted from being transmitted to the balance with hairspring 51 via the contact portion 184.

According to the second embodiment described above, in addition to the same effects as those of the first embodiment, the following effects are exhibited.
In the present embodiment, the regulation lever 171 includes a second arm 173 formed so as to be flexible and deformable. The contact portion 83 comes into contact with the winding stem 13 in a state where the contact portion 184 is in contact with the balance with hairspring 51.
According to this configuration, the rotation of the lever body 182 by the urging member 90 is restricted by bringing the contact portion 83 into contact with the winding stem 13, so that only the restoring force due to the bending deformation of the second arm 173 is contacted. Part 184 can act on the balance with hairspring 51. As a result, the contact pressure between the regulation lever 171 and the balance with hairspring 51 can be reduced. Therefore, damage to the balance with hairspring 51 due to contact with the regulation lever 171 can be suppressed.
Further, when the regulation lever 171 is separated from the balance with hairspring 51, the regulation lever 171 can flip the balance with hairspring 51 by restoring the second arm 173 to apply a rotational force to the balance with hairspring 51. As a result, the operation of the balance with hairspring 51 can be restarted quickly.

[Third Embodiment]
Next, the third embodiment will be described with reference to FIGS. 9 to 11. In the first embodiment, the regulation lever 71 is rotatably supported by the second receiver 12. On the other hand, the third embodiment is different from the first embodiment in that the regulation lever 271 is supported by the second receiver 12 so as to be translateable. The configuration other than that described below is the same as that of the first embodiment.

FIG. 9 is a plan view of a part of the movement according to the third embodiment as viewed from the front side.
As shown in FIG. 9, the recess 64 of the second receiver 12 has a first recess 267 and a second recess 268. The second recess 268 is formed deeper than the first recess 267 (see also FIG. 11). The entire second recess 268 is formed inside the first recess 267 when viewed from the front side. The first recess 267 and the second recess 268 are each formed to have a constant depth. The second recess 268 includes a first opening 64a and a second opening 64b.

A lever guide pin 266 is arranged on the second receiver 12 instead of the locking portion 66 of the first embodiment. A pair of lever guide pins 266 are provided. The lever guide pin 266 projects outward from the bottom surface of the second recess 268. The pair of lever guide pins 266 are arranged side by side in the axial direction of the winding stem 13. The lever guide pin 266 is formed in a columnar shape. In the present embodiment, the lever guide pin 266 is formed by a member different from the second receiver 12, and is press-fitted into the hole formed in the second receiver 12. The lever guide pin 266 is formed so as not to protrude to the front side from the surface of the second receiver 12 and to protrude to the front side from the bottom surface of the first recess 267.

FIG. 10 is a cross-sectional view showing the movement according to the third embodiment. FIG. 11 is a perspective view showing the second receiver, the regulation lever, and the urging member according to the first embodiment. In FIG. 11, for convenience, the urging member 290 is shown by a virtual line.
As shown in FIGS. 10 and 11, the train wheel regulation mechanism 270 includes a regulation lever 271 and an urging member 290.

The regulation lever 271 is arranged in the second recess 268 of the second receiver 12. The portion of the regulation lever 271 that overlaps the second receiver 12 when viewed from the front side is arranged so as not to protrude toward the front side from the bottom surface of the first recess 267 of the second receiver 12. The regulation lever 271 is supported by the second receiver 12 so as to be displaceable in the axial direction of the winding stem 13. The regulation lever 271 projects from the second recess 268 to the outside of the second receiver 12 through the first opening 64a and the second opening 64b. The regulation lever 271 is formed so as to engage with a member that is displaced in conjunction with the axial displacement of the winding stem 13 and to be in contact with the outer peripheral surface of the balance wheel 53 of the balance with hairspring 51.

Specifically, the regulation lever 271 has the following configuration. The regulation lever 271 includes a lever main body 282 supported by the second receiver 12, and an engaging portion 283 and a contact portion 284 supported by the lever main body 282.

The lever body 282 is formed of a plate material having thickness in the front and back directions. The lever body 282 is arranged along the bottom surface of the second recess 268. The lever body 282 is formed thinner than the depth of the second recess 268 with respect to the bottom surface of the first recess 267. The lever body 282 is formed with a guide hole 285 into which a pair of lever guide pins 266 are inserted. The guide hole 285 extends in the axial direction of the winding stem 13. The lever body 282 is allowed to move in parallel with the second receiver 12 in the axial direction by the guide hole 285 and the lever guide pin 266, and the movement range of the winding stem 13 with respect to the second receiver 12 in the axial direction is increased. It is stipulated.

The lever body 282 includes a base portion 286 in which a guide hole 285 is formed, and an arm 287 extending from the base portion 286. The base portion 286 extends in the axial direction of the winding stem 13. The first end portion 286a of the base portion 286 is formed so as to project outward from the second receiver 12 through the second opening 64b. The arm 287 extends from the middle portion of the base 286. The arm 287 projects to the outside of the second receiver 12 through the first opening 64a. In the illustrated example, the guide holes 285 are formed in pairs so that the lever guide pins 266 are inserted one by one, but only one is formed so that the pair of lever guide pins 266 are inserted together. You may be.

The engaging portion 283 engages with the knob wheel 22. The engaging portion 283 is formed so as to be able to come into contact with the teeth of the knob wheel 22 from the center side of the movement 4. The engaging portion 283 is integrally formed of the same member as the lever body 282. The engaging portion 283 is formed by bending the plate material forming the lever body 282 toward the front side at the tip of the arm 287.

As shown in FIG. 9, the intermediate portion of the engaging portion 283 viewed from the front side intersects the central axis of the winding stem 13 and extends in a direction orthogonal to the axial direction of the winding stem 13. Both ends of the engaging portion 283 as viewed from the front side extend in a direction away from the tooth portions of the pinwheel 22 as they are separated from the central axis of the winding stem 13 when viewed from the front side. As a result, it is prevented that the end edge of the engaging portion 283 comes into contact with the tooth portion of the pinching wheel 22.

As shown in FIGS. 10 and 11, at least a part of the contact portion 284 is arranged at the same position as the balance wheel 53 of the balance with hairspring 51 in the front-back direction. The contact portion 284 is formed so as to be in contact with the balance wheel 53 from the winding stem 13 side. The contact portion 284 is integrally formed of the same member as the lever body 282. The contact portion 284 is formed by bending the plate material forming the lever body 282 toward the front side at the first end portion 286a of the base portion 286. The contact portion 284 has a connection portion with the base portion 286 as a base end, and extends in a direction orthogonal to the axial direction of the winding stem 13 when viewed from the front side. The contact portion 284 is formed so as to be flexible and deformable.

As shown in FIG. 9, the urging member 290 urges the regulating lever 271 with respect to the second receiver 12 in the direction in which the engaging portion 283 abuts on the wheel 22. The urging member 290 is arranged in the recess 64 of the second receiver 12. The portion of the urging member 290 that overlaps the second receiver 12 when viewed from the front side is arranged so as not to protrude toward the front side from the surface of the second receiver 12. The urging member 290 includes a supported portion 291 supported by the second receiver 12 and a spring portion 292 extending from the supported portion 291. The supported portion 291 is formed of a plate material having thickness in the front and back directions. The supported portion 291 is arranged so as to overlap the first recess 267 and the second recess 268 when viewed from the front side. The supported portion 291 is arranged along the bottom surface of the first recess 267 and the surface of the lever body 282 of the regulation lever 271. The supported portion 291 is formed thinner than the depth of the first recess 267. The supported portion 291 is formed with a hole into which the lever guide pin 266 is press-fitted. As a result, the supported portion 291 is fixed to the second receiver 12.

The spring portion 292 is a cantilever beam extending from the supported portion 291. Approximately the entire spring portion 292 excluding the tip portion overlaps with the first recess 267 when viewed from the front side. The spring portion 292 projects to the outside of the second receiver 12 through the first opening 64a. The tip of the spring portion 292 is located on the outside of the second receiver 12 and is bent toward the back side. The tip of the spring portion 292 is in contact with the first end portion 286a of the base portion 286 of the lever body 282.

Next, the operation of the train wheel regulation mechanism 270 will be described.
When the winding stem 13 is in the 0-step position, the engaging portion 283 of the regulation lever 271 abuts on the teeth of the knob wheel 22 located at a predetermined position in the axial direction of the winding stem 13 from the center side of the movement 4. There is. At this time, the contact portion 284 is separated from the balance wheel 53 of the balance with hairspring 51 toward the winding stem 13.

When the winding stem 13 is displaced from the 0-step position to the 1-step position, the knob wheel 22 is displaced from the predetermined position toward the center side of the movement 4. Then, the engaging portion 283 is displaced toward the center side of the movement 4 as the knob wheel 22 moves. As a result, the regulation lever 271 urged by the urging member 290 is displaced in the axial direction of the winding stem 13 while resisting the urging force of the urging member 290. The contact portion 284 approaches and contacts the outer peripheral surface of the balance wheel 53 as the engaging portion 283 moves toward the center of the movement 4. At this time, the contact portion 284 may be bent and deformed.

When the winding stem 13 is displaced from the 1st step position to the 0th step position, the knob wheel 22 is displaced toward the outside of the movement 4. Since the urging member 290 urges the regulation lever 271 in the direction in which the engaging portion 283 abuts on the knob wheel 22, the regulation lever 271 moves to the outside of the movement 4 as the displacement of the knob wheel 22. Displace towards. Then, the contact portion 284 is separated from the outer peripheral surface of the balance wheel 53.

According to the third embodiment described above, in addition to the same effects as those of the first embodiment, the following effects are exhibited.
In the present embodiment, the regulation lever 271 includes a lever main body 282 supported by the second receiver 12, an engaging portion 283 supported by the lever main body 282 and formed so as to be engaged with the knob wheel 22, and the lever main body. It is provided with a contact portion 284 supported by 282 and capable of contacting the balance with hairspring 51.
According to this configuration, by displacing the winding stem 13 in the axial direction, the engaging portion 283 can be displaced together with the lever body 282 with the displacement of the knob wheel 22. As a result, the contact portion 284 supported by the lever body 282 can be brought into contact with and separated from the balance with hairspring 51. Therefore, the regulation lever 271 can be operated in conjunction with the winding stem 13.

Further, the regulation lever 271 includes a contact portion 284 formed so as to be flexible and deformable.
According to this configuration, the contact pressure between the regulation lever 271 and the balance with hairspring 51 can be reduced by bending and deforming the contact portion 284. Therefore, damage to the balance with hairspring 51 due to contact with the regulation lever 271 can be suppressed.

[Fourth Embodiment]
Next, a fourth embodiment will be described with reference to FIGS. 12 and 13. In the first embodiment, the support pin 81 of the regulation lever 71 is press-fitted into the second receiver 12. On the other hand, the fourth embodiment is different from the first embodiment in that the support pin 381 of the regulation lever 71 is attached to the second receiver 12 by screw coupling. The configuration other than that described below is the same as that of the first embodiment.

FIG. 12 is a plan view of a part of the movement according to the fourth embodiment as viewed from the front side. FIG. 13 is a cross-sectional view showing the movement according to the fourth embodiment.
As shown in FIGS. 12 and 13, the support pin 381 includes a screw socket 385 for being inserted into the pin hole 65 of the second receiver 12 from the back side, and a male screw 386 screwed into the female screw socket 385. .. The female thread socket 385 is formed in a cylindrical shape extending in the front-back direction, and the inner peripheral surface is threaded. The female screw socket 385 projects outward from the bottom surface of the recess 64 of the second receiver 12. The lever body 82 of the regulation lever 71 is mounted on the outer peripheral surface of the female screw socket 385. At the end on the back side of the female screw socket 385, a flange portion that fits in the counterbore of the pin hole 65 is provided. The male screw 386 is screwed into the female screw socket 385 from the front side. The head of the male screw 386 projects radially outward from the outer peripheral surface of the female screw socket 385. The support pin 381 holds the lever body 82 between the bottom surface of the recess 64 and the head of the male screw 386.

According to the fourth embodiment described above, in addition to the same effects as those of the first embodiment, the following effects are exhibited.
In the present embodiment, the support pin 381 holds the lever body 82 between the head of the male screw 386 and the second receiver 12.
According to this configuration, the lever body 82 can be easily removed from the second receiver 12 as compared with the configuration in which the lever body 82 is held between the second receiver 12 by the support pin press-fitted into the second receiver 12. Can be done. Therefore, the train wheel regulation mechanism 370 having excellent maintainability can be obtained.

[Fifth Embodiment]
Next, a fifth embodiment will be described with reference to FIGS. 14 and 15. In the second embodiment, the regulation lever 171 is arranged on the side opposite to the main plate 10 with the second receiver 12 interposed therebetween. On the other hand, the fifth embodiment is different from the second embodiment in that the regulation lever 471 is arranged between the second receiving 412 and the main plate 10. The configuration other than that described below is the same as that of the first embodiment.

FIG. 14 is a plan view of a part of the movement according to the fifth embodiment as viewed from the front side. FIG. 15 is a cross-sectional view showing the movement according to the fifth embodiment.
As shown in FIGS. 14 and 15, the second receiver 412 is formed substantially symmetrically with the second receiver 12 of the second embodiment. The recess 464 of the second receiver 412 is formed on the back surface of the second receiver 412 and is recessed on the front side.

The regulation lever 471 includes a lever main body 482 supported by the second receiver 412 via a support pin 81, and a contact portion 483 and a contact portion 484 supported by the lever main body 482. The portion of the lever body 482 that overlaps the second receiver 412 when viewed from the back side is arranged so as not to protrude to the back side from the back surface of the second receiver 412. The lever body 482 is formed so as to be flexible and deformable. The contact portion 483 is arranged so as to project from the lever main body 482 to the back side. The contact portion 484 is arranged outside the second receiver 412. At least a part of the contact portion 484 is arranged at the same position as the balance wheel 53 of the balance with hairspring 51 in the front-back direction. The contact portion 484 is integrally formed of the same member as the lever body 482. The contact portion 484 is formed by bending the plate material forming the lever body 482 toward the front side at the tip of the second arm 173.

The base end of the urging member 490 is connected to the lever body 482 at a position overlapping the second receiver 412 when viewed from the back side. The entire urging member 490 is arranged in the recess 464.

According to the fifth embodiment described above, in addition to the same effects as those of the second embodiment, the following effects are exhibited.
In the present embodiment, the regulation lever 471 is arranged between the second receiver 412 and the main plate 10.
According to this configuration, it is possible to prevent the space on the side opposite to the main plate 10 of the second receiver 412 from being occupied by the regulation lever 471. Therefore, it is possible to improve the degree of freedom in the shape of parts other than the regulation lever 471 and the urging member 490, which are arranged on the side opposite to the main plate 10 with the second receiver 412 interposed therebetween.

The present invention is not limited to the above-described embodiment described with reference to the drawings, and various modifications can be considered within the technical scope thereof.
For example, in the above embodiment, the receiving member that supports the regulation lever is the second receiving member, but the present invention is not limited to this. For example, the first receiver that supports the rotating body such as the barrel wheel 31, the third wheel 33, the fourth wheel 34, and the second wheel 35 together with the main plate 10 may support the regulation lever.

Further, in the above embodiment, the second wheel 32 is supported by the second receiver 12 via the bearing 26 held by the second receiver 12, but the support structure of the second wheel by the second receiver is not limited to this. .. For example, the second wheel may be supported by the second receiver by being assembled on the outer peripheral side of the pipe supported by the second receiver.

Further, in the above embodiment, the regulation lever is formed so as to be in contact with the balance wheel 53 of the balance with hairspring 51 on the outside of the second receiver when viewed from the front side. However, the regulation lever may be formed so as to be in contact with the balance wheel at a position overlapping the second receiver when viewed from the front side.

Further, in the third embodiment, the pair of lever guide pins 266 provided on the second receiver 12 and the guide hole 285 provided on the regulation lever 271 allow the lever body 282 to be translated with respect to the second receiver 12. Being guided. However, the mechanism for guiding the translation of the lever body with respect to the second receiver is not limited to this. For example, the lever guide pin may be formed in a shape extending in the moving direction of the lever body when viewed from the front side. For example, the lever body may be brought into sliding contact with the side wall surface of the recess of the second receiver to guide the translation of the lever body with respect to the second receiver.

Further, in the third embodiment, the regulation lever 271 is urged by the urging member 290 to engage the regulation lever 271 with the wheel 22. However, the present invention is not limited to this, and for example, by engaging the regulation lever with the knob wheel so as not to be disengaged without using an urging member, the regulation lever is displaced in conjunction with the displacement of the throttle wheel. It may be configured. Further, the regulation lever may be engaged with a member that is displaced in conjunction with the axial displacement of the winding stem 13, and may be engaged with, for example, a mandarin duck or a mandarin duck.

In addition, it is appropriately possible to replace the constituent elements in the above-described embodiments with well-known constituent elements without departing from the spirit of the present invention, and even if the above-described embodiments and modifications are appropriately combined. Good. For example, the third embodiment may be combined with the first embodiment, and the regulation lever may be engaged with a member that is displaced in conjunction with the axial displacement of the winding stem 13.

1 ... Clock 4 ... Movement (movement for clock) 7 ... Minute hand 10 ... Main plate 12,412 ... Second receiver (receiving member) 13 ... Makishin 22 ... Tsuzumi wheel (interlocking part) 32 ... Second wheel (second rotation) Body) 51 ... Temp (first rotating body) 64,464 ... Recesses 70,170,270,370,470 ... Wheel train regulation mechanism 71,171,271,471 ... Regulation lever 82,182,282 ... Lever body 83, 483 ... Contact part 84,184,284 ... Contact part 90,290,490 ... Biasing member 173 ... Second arm (elastic deformation part) 283 ... Engagement part 284 ... Contact part (elastic deformation part)

Claims (13)

The first and second rotating bodies supported by the main plate, and
A regulation lever that is provided so as to be in contact with and separated from the first rotating body and operates in conjunction with the winding stem.
A receiving member that supports the second rotating body together with the main plate and supports the regulation lever, and
A train wheel regulation mechanism characterized by being provided with. The second rotating body is a second wheel to which a minute hand is attached.
The train wheel regulation mechanism according to claim 1, further comprising. The train wheel regulation mechanism according to claim 1 or 2, further comprising an urging member for urging the regulation lever with respect to the receiving member. The receiving member is formed with a recess for accommodating the regulating lever and the urging member.
The train wheel regulation mechanism according to claim 3. The urging member is integrally provided on the regulation lever.
The train wheel regulation mechanism according to claim 3 or 4. The regulation lever
The lever body supported by the receiving member and
A contact portion that is supported by the lever body and comes into contact with the winding stem by the urging force of the urging member.
A contact portion supported by the lever body and capable of contacting the first rotating body,
To prepare
The train wheel regulation mechanism according to any one of claims 3 to 5, wherein the train wheel adjustment mechanism is characterized. It is equipped with an interlocking part that displaces in conjunction with the axial displacement of the winding stem.
The regulation lever
The lever body supported by the receiving member and
An engaging portion supported by the lever body and formed so as to be engaged with the interlocking portion,
A contact portion supported by the lever body and capable of contacting the first rotating body,
To prepare
The train wheel regulation mechanism according to any one of claims 3 to 5, wherein the train wheel adjustment mechanism is characterized. The regulation lever includes an elastically deformable portion formed so as to be flexible and deformable.
The train wheel regulation mechanism according to any one of claims 1 to 7, wherein the train wheel adjustment mechanism is characterized. The regulation lever includes an elastically deformable portion formed so as to be flexible and deformable.
The contact portion contacts the winding stem in a state where the contact portion is in contact with the first rotating body.
6. The train wheel regulation mechanism according to claim 6. The regulation lever is arranged on the side opposite to the main plate with the receiving member interposed therebetween.
The train wheel regulation mechanism according to any one of claims 1 to 9, wherein the train wheel adjustment mechanism is characterized in that. The regulation lever is arranged between the receiving member and the main plate.
The train wheel regulation mechanism according to any one of claims 1 to 9, wherein the train wheel adjustment mechanism is characterized in that. A watch movement comprising the train wheel regulation mechanism according to any one of claims 1 to 11. A timepiece comprising the watch movement according to claim 12.

Images