Gear transmission mechanism movement of tourbillon chronograph
By introducing a seconds transmission plate and a seconds transmission wheel into the movement of a tourbillon chronograph, the problems of difficult gear transmission and severe energy loss were solved, achieving stable and reliable torque transmission and structural optimization.
Patent Information
- Application Number
- CN202520703598.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-14
AI Technical Summary
The tourbillon chronograph movement suffers from the problems of difficult gear transmission and significant energy loss.
A gear transmission mechanism for a tourbillon chronograph, comprising a seconds transmission plate and a seconds transmission wheel, was designed. The torque is transmitted simultaneously to the chronograph intermediate wheel component and the tourbillon mechanism through the seconds transmission plate and the seconds transmission wheel, achieving stable and reliable torque transmission.
It improves the stability and efficiency of gear transmission, reduces energy loss, and has a more rational structural layout.
Smart Images

Figure CN223955965U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of mechanical watch movement transmission mechanism, concretely relates to a tourbillon chronograph gear transmission mechanism movement. BACKGROUND
[0002] Gear transmission mechanism is indispensable in mechanical watch movement, wherein the barrel wheel component is used for providing the power required for the operation of the mechanical watch movement, and the power is transmitted to the escapement speed regulation mechanism through the gear, and the escapement speed regulation mechanism in turn controls the gear operation speed, so that the movement can work normally, and the gear transmission mechanism is particularly important in the tourbillon chronograph movement, the torque is transmitted to the timing mechanism and the tourbillon mechanism through the gear transmission mechanism, so that the timing mechanism and the tourbillon mechanism can normally operate, and as a high-end movement, the tourbillon chronograph movement needs to drive the timing mechanism and the tourbillon mechanism to operate simultaneously through the efficient gear transmission mechanism.
[0003] Therefore, the design of a transmission mechanism with stable and reliable operation, smooth torque transmission and reasonable structure layout can effectively solve the problems of large transmission difficulty and large energy loss of the tourbillon chronograph movement gear. UTILITY MODEL CONTENTS
[0004] To solve the above problems, that is, the problems of large transmission difficulty and large energy loss of the tourbillon chronograph movement gear, the utility model provides a tourbillon chronograph gear transmission mechanism movement, which comprises a barrel wheel component, the barrel wheel component is connected with a center wheel component in meshing, the center wheel component is connected with an over wheel component in meshing, characterized in that: further comprising a second transmission component, the second transmission component comprises a second transmission gear shaft, a second transmission piece and a second transmission wheel, the second transmission gear shaft is connected with the over wheel component in meshing, the second transmission piece is connected with a second intermediate wheel component in meshing, the second intermediate wheel component is connected with a second over wheel component in meshing, and the second over wheel component is connected with a tourbillon mechanism; the second transmission wheel is connected with a second intermediate wheel assembly in meshing.
[0005] The utility model further provides that the barrel wheel comprises a barrel wheel body, a barrel cover is arranged on the barrel wheel body, a barrel shaft is coaxially arranged on the center of the barrel wheel body and the barrel cover, a spring is arranged in the barrel wheel body, and the spring is connected with the barrel shaft in cooperation.
[0006] The utility model further provides that the center wheel component comprises a center gear shaft, a center wheel piece is coaxially arranged on the center gear shaft, and the barrel wheel body is connected with the center gear shaft in meshing.
[0007] The further setting of the utility model discloses: the gear axle of the gear wheel part includes, the gear axle is provided with the gear wheel body on the same axis, the center wheel piece is connected with the gear axle meshing, the gear wheel body is connected with the second drive gear axle meshing.
[0008] The further setting of the utility model discloses: the gear axle of the gear wheel part includes, the gear axle is provided with the gear wheel body on the same axis, the center wheel piece is connected with the gear axle meshing, the gear wheel body is connected with the second drive gear axle meshing.
[0009] The further setting of the utility model discloses: the gear axle of the gear wheel part includes, the gear axle is provided with the gear wheel body on the same axis, the center wheel piece is connected with the gear axle meshing, the gear wheel body is connected with the second drive gear axle meshing.
[0010] The further setting of the utility model discloses: the gear axle of the gear wheel part includes, the gear axle is provided with the gear wheel body on the same axis, the center wheel piece is connected with the gear axle meshing, the gear wheel body is connected with the second drive gear axle meshing.
[0011] The utility model discloses the beneficial effect is:
[0012] Through setting the second drive gear piece and the second drive gear wheel, can realize the torque transmission to timing gear wheel part and top flywheel mechanism simultaneously, and further effectively solved top flywheel timing code watch machine heart gear transmission difficulty, low efficiency, energy loss serious problem, make the work of mechanism more stable and reliable, torque transmission is stable, and the structure layout is more reasonable. ACCURACY
[0013] Figure 1 The structure schematic diagram of the utility model is shown.
[0014] Figure 2 The structure schematic diagram of the spring is shown.
[0015] Figure 3 The structure schematic diagram of the strip box wheel part is shown.
[0016] Figure 4 The structure schematic diagram of the center wheel part is shown.
[0017] Figure 5 The structure schematic diagram of the gear wheel part is shown.
[0018] Figure 6 The structure schematic diagram of the second drive gear wheel part is shown.
[0019] Figure 7 The structure schematic diagram of the gear wheel part is shown.
[0020] Figure 8 A schematic diagram of the timing wheel assembly is shown.
[0021] Figure 9 A schematic diagram of the second wheel component is shown.
[0022] Figure 10 A schematic diagram of a tourbillon mechanism is shown.
[0023] Reference numerals: 1. Barrel wheel assembly; 11. Barrel wheel body; 12. Barrel cover; 13. Barrel axle; 14. Mainspring; 2. Center wheel assembly; 21. Center gear shaft; 22. Center wheel piece; 3. Transition wheel assembly; 31. Transition wheel piece body; 32. Transition gear shaft; 4. Seconds transmission assembly; 41. Seconds transmission gear shaft; 42. Seconds transmission piece; 43. Seconds transmission wheel; 5. Seconds interlocking wheel assembly; 51. Clutch lever shaft; 52. Lower clutch wheel assembly; 53. Support piece; 54. Support spring; 55. Upper clutch wheel assembly; 56. Snap ring; 6. Seconds interlocking wheel assembly; 61. Seconds interlocking wheel shaft; 62. First seconds interlocking wheel piece; 63. Seconds interlocking wheel piece; 7. Seconds transition wheel assembly; 71. Seconds transitioning wheel piece; 72. Seconds transitioning wheel shaft; 8. Tourbillon mechanism. Detailed Implementation
[0024] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.
[0025] This utility model proposes a gear transmission mechanism for a tourbillon chronograph, including a barrel wheel component 1, a central wheel component 2 meshing with the barrel wheel component 1 to drive the central wheel component 2 to rotate, and a guide wheel component 3 meshing with the central wheel component 2, so that the rotation of the central wheel component 2 can drive the guide wheel component 3 to rotate accordingly.
[0026] The second transmission component 4 includes a second transmission gear shaft 41, a second transmission piece 42 and a second transmission wheel 43. The second transmission piece 42 and the second transmission wheel 43 are both connected to the second transmission gear shaft 41 by interference fit, and the second transmission piece 42 is arranged above the second transmission wheel 43. The second transmission gear shaft 41 is meshingly connected to the over wheel component 3, that is, the rotation of the over wheel component 3 can drive the second transmission gear shaft 41 to rotate, and in turn drive the second transmission piece 42 and the second transmission wheel 43 on the second transmission gear shaft 41 to rotate. The second transmission piece 42 is meshingly connected to the second intermediate wheel component 6, so as to drive the second intermediate wheel component 6 to rotate through the rotation of the second transmission piece 42. The second intermediate wheel component 6 is meshingly connected to the second over wheel component 7, and the second over wheel component 7 is coaxially connected to the top wheel mechanism 8, so that the rotation of the second intermediate wheel component 6 can be transmitted to the top wheel mechanism 8 through the second over wheel component 7, to drive the top wheel mechanism 8 to work. The second transmission wheel 43 is meshingly connected to the second intermediate wheel assembly 5, so as to drive the second intermediate wheel assembly 5 to work.
[0027] The bar box wheel component 1 includes a bar box wheel body 11, and a bar box wheel cover is installed on the bar box wheel body 11. The center of the bar box wheel body 11 and the bar box cover 12 is coaxially provided with a bar shaft 13, and the bar box wheel body 11 and the bar box cover 12 are gap-connected with the bar shaft 13 to realize relative rotation. A clockwork 14 is further arranged in the bar box wheel body 11, and a horizontal hole on the clockwork 14 is gap-fitted with a horizontal hook on the bar shaft 13.
[0028] The center wheel component 2 includes a center gear shaft 21, and a center wheel piece 22 is coaxially arranged on the center gear shaft 21. The center wheel piece 22 is riveted on the center gear shaft 21. The bar box wheel body 11 is meshingly connected with the center gear shaft 21, so as to drive the center gear shaft 21 to rotate, and in turn the rotation of the center gear shaft 21 drives the center wheel piece 22 to rotate.
[0029] The over wheel component 3 includes an over gear shaft 32, and an over wheel piece body 31 is coaxially arranged on the over gear shaft 32. The over wheel piece body 31 is riveted on the over gear shaft 32. The center wheel piece 22 is meshingly connected with the over gear shaft 32, so as to transmit torque and drive the over gear shaft 32 to rotate, and in turn drive the over wheel piece body 31 to rotate. The over wheel piece body 31 is meshingly connected with the second transmission gear shaft 41, so as to drive the second transmission gear shaft 41 to rotate.
[0030] The second intermediate wheel assembly 5 includes a clutch lever shaft 51, and a lower clutch wheel component 52 is coaxially arranged on the clutch lever shaft 51. A supporting piece 53 and a supporting spring 54 are installed on the lower clutch wheel component 52, and the lower clutch wheel component 52 is meshingly connected with the second transmission wheel 43, so as to drive the lower clutch wheel component 52 to rotate. An upper clutch wheel component 55 is further coaxially arranged on the clutch lever shaft 51, and the upper clutch wheel component 55 is used for connecting a timing component. The lower clutch wheel component 52 and the upper clutch wheel component 55 are both sleeved on the clutch lever shaft 51 and gap-fitted with the clutch lever shaft 51. A clamping spring 56 is further installed on the lower end of the clutch lever shaft 51.
[0031] The second intermediate wheel part 6 comprises a second intermediate wheel shaft 61, a first second intermediate wheel piece 62 is coaxially arranged on the second intermediate wheel shaft 61, the first second intermediate wheel piece 62 is connected with the second intermediate wheel shaft 61 in interference, the first second intermediate wheel piece 62 is connected with the second transmission piece 42 in engagement, so as to drive the first second intermediate wheel piece 62 to rotate, and then drive the second intermediate wheel shaft 61 to rotate.
[0032] The second intermediate wheel part 6 comprises a second intermediate wheel shaft 61, a first second intermediate wheel piece 62 is coaxially arranged on the second intermediate wheel shaft 61, the first second intermediate wheel piece 62 is connected with the second intermediate wheel shaft 61 in interference, the first second intermediate wheel piece 62 is connected with the second transmission piece 42 in engagement, so as to drive the first second intermediate wheel piece 62 to rotate, and then drive the second intermediate wheel shaft 61 to rotate.
[0033] In summary, the utility model discloses a second transmission piece 42 and second transmission wheel 43 are arranged, can realize the moment of force is delivered to the timing intermediate wheel part and the top fly wheel mechanism 8 simultaneously, and then effectively solve the top fly wheel timing code watch movement gear transmission difficulty, low efficiency, energy loss serious problem, make the mechanism work more stable and reliable, moment of force transmission is stable, and the structure layout is more reasonable.
[0034] Although the utility model has been described with reference to the preferred embodiments, various improvements can be made to it and equivalent parts can be substituted for the parts therein without departing from the scope of the utility model, and in particular, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way. The utility model is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.
[0035] In the description of the utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0036] In addition, it needs to be explained that, in the description of the utility model, unless another explicit provision and limitation, the term "mount", "link", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected; can be mechanical connection, also can be electrical connection; can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication. For the person skilled in the art, the above-mentioned terms can be understood according to the specific meaning in the utility model.
[0037] The term "comprising" or any other similar word is intended to encompass a non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements does not include only those elements but can also include other elements not expressly listed, or also include elements inherent in such process, article, or apparatus / device.
[0038] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but the person skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without deviating from the principles of the utility model, the person skilled in the art can make equivalent changes or replacements to the related technical features, and the technical schemes after the changes or replacements will fall within the protection scope of the utility model.
Claims
1. A gyro chronograph gear train movement comprising a barrel wheel member (1) which is meshingly connected to a center wheel member (2) which is meshingly connected to a wheel member (3), characterized in that: Further include the second transmission component (4), the second transmission component (4) includes the second transmission gear shaft (41), the second transmission piece (42) and the second transmission wheel (43), the second transmission gear shaft (41) is engaged with the over wheel component (3) connection, the second transmission piece (42) is engaged with the second intermediate wheel component (6) connection, the second intermediate wheel component (6) is engaged with the second over wheel component (7) connection, the second over wheel component (7) is connected with the top flywheel mechanism (8);The second transmission wheel (43) is engaged with the second intermediate wheel assembly (5) connection.
2. The gyroscopic timepiece gear train movement according to claim 1, characterized in that: The box wheel includes a box wheel body (11), the box wheel body (11) is provided with a box cover (12), the box wheel body (11) and the box cover (12) center coaxial arrangement has a reel shaft (13), the box wheel body (11) is provided with a spring (14), the spring (14) is connected with the reel shaft (13).
3. The gyroscopic timepiece gear train movement according to claim 2, characterized in that: The center wheel component (2) includes a center gear shaft (21), the center gear shaft (21) is coaxially provided with a center wheel piece (22), the box wheel body (11) and the center gear shaft (21) are engagedly connected.
4. The gyroscopic timepiece gear train movement according to claim 3, wherein: The over wheel component (3) includes an over gear shaft (32), the over gear shaft (32) is coaxially provided with an over wheel piece body (31), the center wheel piece (22) and the over gear shaft (32) are engagedly connected;The over wheel piece body (31) and the second transmission gear shaft (41) are engagedly connected.
5. The gyroscopic timepiece gear train movement according to claim 1, wherein: The second intermediate wheel assembly (5) includes a clutch lever shaft (51), the clutch lever shaft (51) is coaxially provided with a lower clutch wheel component (52), the lower clutch wheel component (52) is further provided with a supporting piece (53) and a supporting spring (54), the clutch lever shaft (51) is further coaxially provided with an upper clutch wheel component (55);The clutch lever shaft (51) is further provided with a clamping spring (56);The lower clutch wheel component (52) and the second transmission wheel (43) are engagedly connected.
6. The gyroscopic timepiece gear train movement according to claim 1, wherein: The second intermediate wheel component (6) includes a second intermediate wheel shaft (61), the second intermediate wheel shaft (61) is coaxially provided with a second intermediate wheel one piece (62) and a second intermediate wheel two piece (63), the second intermediate wheel one piece (62) and the second transmission piece (42) are engagedly connected.
7. The gyroscopic timepiece gear train movement according to claim 6, characterized in that: The second over wheel component (7) includes a second over wheel shaft (72), the second over wheel shaft (72) is coaxially provided with a second over wheel piece (71), the second over wheel piece (71) and the second intermediate wheel two piece (63) are engaged, the second over wheel shaft (72) and the top flywheel mechanism (8) are coaxially connected.