Escapement mechanism of mechanical watch

By using a rubber pad ring and a limit ring design in the escapement mechanism, the problems of unstable tweezers gripping and inconvenient operation are solved, a stable connection between the escape fork and the escape wheel is achieved, installation efficiency and watch timekeeping accuracy are improved, and service life is extended.

CN223611842UActive Publication Date: 2025-11-28QINGDAO ZHISHENGDA INSTRUMENT CO LTD
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Patent Information

Application Number
CN202520013115.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-11-28
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

When installing tiny parts in the escapement mechanism of existing mechanical watches, the tweezers are not stable enough and the operation is not convenient enough, which affects the installation efficiency and convenience.

Method used

The locking mechanism employs a rubber pad ring bonded to the inside of the through hole, with an inner surface that is beveled. A rounded entry point is provided inside the limiting ring to improve the stability and ease of tweezer insertion. The combination of the limiting ring and the rubber pad ring design ensures a secure clamping of the escape fork and escape wheel.

Benefits of technology

It improves the installation efficiency of the escapement fork and escapement wheel and the positional stability during long-term use, reduces friction and wear, extends the life of the watch, and ensures the accuracy and stability of timekeeping performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an escapement mechanism of a mechanical watch, and relates to the field of escapement mechanisms. The device comprises a hairspring balance wheel, an escapement fork and an escapement wheel, the escapement fork and the escapement wheel are each provided with two clamping mechanisms, each clamping mechanism comprises a through hole, a backing ring is pasted to the inner side of each through hole and made of rubber, the inner side face of each backing ring is of an inclined face structure and used for being clamped with the end of external tweezers, and the clamping mechanisms are connected with the through holes. The stability of the escapement fork and the escapement wheel in the installation process is guaranteed through the clamping mechanism, the rubber backing ring is pasted on the inner side of the through hole in the clamping mechanism, the inner side face of the rubber backing ring is of an inclined face structure, so that the ends of tweezers can be easily and accurately inserted, stable connection is achieved, and the accurate clamping mode improves installation efficiency and reduces installation cost. And the position stability and the function reliability of the escapement fork and the escapement wheel in the long-time use process are also ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of escapement mechanism, concretely is a kind of escapement mechanism of mechanical watch. BACKGROUND

[0002] As the core component of mechanical watch, escapement mechanism plays a key role in controlling the accuracy of time, it accurately transmits power to the balance spring system by periodically locking and releasing the main transmission chain, maintains the stable operation of the watch, escapement mechanism has experienced hundreds of years of development, from the earliest machine shaft escapement to modern lever type, coaxial and other types, constantly embodies the innovation and progress of watch technology.

[0003] In the existing mechanical watch escapement mechanism, contain many delicate small parts, such as escapement fork, escapement wheel, etc., in the process of installing these tiny parts, usually need to use tweezers and other tools for clamping and assembling, however, there are problems such as insufficient clamping stability of tweezers to parts and poor installation operation convenience in this process, which greatly affects the installation efficiency and convenience of mechanical watch escapement mechanism. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing an escapement mechanism of mechanical watch to solve the technical problems of low clamping stability of tweezers to tiny parts and operation convenience in the installation process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an escapement mechanism of mechanical watch, comprising a hairspring balance wheel, an escapement fork and an escapement wheel, two sets of clamping mechanisms are arranged on the escapement fork and the escapement wheel, the clamping mechanism comprises a through hole, a grommet is pasted on the inner side of the through hole, and the material of the grommet is rubber, the inner side surface of the grommet is in an inclined surface structure, and is used for clamping with the end of tweezers outside.

[0006] By adopting the above technical scheme, the inner side of the through hole in the clamping mechanism is pasted with a grommet made of rubber material, and the inner side surface is in an inclined surface structure, which greatly improves the clamping stability and convenience of the end of tweezers outside, in the process of assembling and repairing the watch, the tweezers can be easily inserted into the grommet, to realize the stable clamping of the escapement fork and the escapement wheel, and improve the accuracy and efficiency of operation.

[0007] Further, a limiting ring is arranged at the top end of the grommet, and the entrance for the insertion of tweezers in the inner side of the limiting ring is in a round corner structure.

[0008] By adopting the above technical scheme, the entrance for the insertion of tweezers in the inner side of the limiting ring is in a round corner structure, effectively reducing the resistance and friction when the tweezers are inserted, making the insertion process more smooth and easy, in the process of assembling and repairing the watch, the operator can complete the insertion and positioning of the tweezers more quickly, improving the work efficiency.

[0009] Further, the balance spring balance wheel is wound with a balance spring body, and the upper portion of the balance spring balance wheel is provided with a double disc.

[0010] By adopting the above technical scheme, the watch has a stable vibration system and accurate timing function, and the double disc provided on the upper portion of the balance spring balance wheel provides necessary support and driving for the operation of the escapement mechanism.

[0011] Further, the surface of the double disc is fixedly provided with a protrusion for pushing the end of the escapement lever.

[0012] By adopting the above technical scheme, the escapement mechanism is accurately controlled and stably operated, and the protrusion can push the escapement lever according to a predetermined rhythm and force during the operation of the watch, so as to drive the rotation of the escapement wheel and the transmission of energy, thereby ensuring that the watch has stable timing performance and accurate timekeeping function.

[0013] Further, the end of the escapement lever is embedded with an in-rack and an out-rack on both sides, and the in-rack and the out-rack are engaged with the escapement wheel.

[0014] By adopting the above technical scheme, the in-rack and the out-rack are accurately contacted and separated with the tooth tip of the escapement wheel during the operation of the watch, so as to realize the transmission of energy and the rotation of the escapement wheel, and the accurate engagement ensures that the watch has stable timing performance and accurate timekeeping function.

[0015] Further, the escapement lever is provided with a left limiting rod and a right limiting rod on both sides for limiting the position of the escapement lever.

[0016] By adopting the above technical scheme, the escapement lever needs to move according to a predetermined trajectory and rhythm during the operation of the watch, and the left limiting rod and the right limiting rod can effectively limit the lateral movement and deflection of the escapement lever, thereby ensuring the stability and accuracy of the movement.

[0017] In summary, the utility model mainly has the following beneficial effects:

[0018] 1. The utility model discloses a clamping mechanism, which ensures the stability of the escapement lever and the escapement wheel during installation, and the inner side of the through hole in the clamping mechanism is pasted with a rubber grommet, and the inner side surface is a beveled structure, so that the end of the tweezers can be easily and accurately inserted, realizing stable connection, and the accurate clamping method not only improves the installation efficiency, but also ensures the position stability and functional reliability of the escapement lever and the escapement wheel during long-term use.

[0019] 2. This utility model further enhances the stability of the engagement by using a limiting ring and a limiting ring at the top of the pad ring. Its rounded corner structure reduces the resistance when inserting tweezers, making the installation process more convenient. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0022] Figure 3 This is a cross-sectional structural diagram of the locking mechanism of this utility model.

[0023] In the diagram: 1. Balance wheel with hairspring; 2. Hairspring body; 3. Lug; 4. Escape fork; 501. Entering shell; 502. Exiting shell; 6. Escape wheel; 7. Locking mechanism; 701. Through hole; 702. Washer ring; 703. Inner side; 704. Limiting ring; 8. Double discs; 901. Left limit lever; 902. Right limit lever. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0025] Example 1:

[0026] An escapement mechanism for a mechanical watch, such as Figures 1-3 As shown, the device includes a balance wheel 1, an escapement fork 4, and an escapement wheel 6. Both the escapement fork 4 and the escapement wheel 6 are equipped with two sets of engaging mechanisms 7. Each engaging mechanism 7 includes a through hole 701, with a rubber washer 702 attached to the inner side of the through hole 701. The inner surface 703 of the washer 702 has a beveled structure for engaging with the tip of external tweezers. The rubber washer 702 attached to the inner side of the through hole 701 in the engaging mechanism 7, with its beveled inner surface 703, greatly improves the stability and ease of engagement with the tip of external tweezers. During the assembly and repair of watches, tweezers can be easily inserted into the washer ring 702 to securely hold the escapement fork 4 and escapement wheel 6, improving the accuracy and efficiency of the operation. At the same time, the rubber washer ring 702 has good elasticity and wear resistance, which can maintain stable engagement performance during use, effectively preventing damage to components or displacement caused by unstable clamping. In addition, the beveled structure design makes the tweezers smoother during insertion and removal, reducing friction and damage to watch components and extending the watch's service life.

[0027] See Figure 1、 Figure 2 、 Figure 3 , the top end of the grommet 702 is provided with a limiting ring 704, and the inner side of the entrance for inserting the tweezers is a rounded structure, the inner side of the entrance for inserting the tweezers is a rounded structure, which effectively reduces the resistance and friction when the tweezers are inserted, so that the insertion process is more smooth and easy, and the operator can more quickly complete the insertion and positioning of the tweezers during the assembly and maintenance of the watch, improve the work efficiency, at the same time, the existence of the limiting ring 704 also plays a protective role to the grommet 702, in the process of inserting and pulling out the tweezers, the limiting ring 704 can disperse and bear part of the insertion and pulling force, reduce the direct pressure and wear of the grommet 702.

[0028] Embodiment two:

[0029] Referring to Figure 1 、 Figure 2 , the balance spring 1 is provided with a balance spring body 2, and the upper side of the balance spring 1 is provided with a double disc 8, so that the watch has a stable vibration system and accurate timing function, at the same time, the double disc 8 provided on the upper side of the balance spring 1 provides necessary support and drive for the operation of the escapement mechanism, at the same time, the double disc 8 also makes the structure of the watch more compact and reasonable, in the limited space, the double disc 8 can effectively cooperate with the balance spring 1 and the escapement fork 4 and other components to realize the accuracy of energy transmission and control.

[0030] Referring to Figure 1 、 Figure 2 , the surface of the double disc 8 is fixedly provided with a lug 3 for driving the end of the escapement fork 4, which realizes the accurate control and stable operation of the escapement mechanism, in the operation process of the watch, the lug 3 can drive the escapement fork 4 according to the predetermined rhythm and force, so as to drive the rotation of the escapement wheel 6 and the transmission of energy, so as to ensure that the watch has stable timing performance and accurate running time function, at the same time, the design of the lug 3 also considers the durability and reliability of the watch, in the long-term use process, the lug 3 needs to bear repeated driving and friction, therefore, the selection of its material and processing technology is very important, by selecting high-quality materials and precise processing technology, the lug 3 can have enough hardness and wear resistance, so as to prolong its service life and maintain stable performance.

[0031] Referring to Figure 1 、 Figure 2, the end of the escapement fork 4 is respectively inlaid with an entry tile 501 and an exit tile 502, and the entry tile 501 and the exit tile 502 are engaged with the escapement wheel 6, in the operation process of the watch, the entry tile 501 and the exit tile 502 are in precise contact and separation with the tooth tips of the escapement wheel 6, so as to realize the transmission of energy and the rotation of the escapement wheel 6, and the precise engagement mode ensures that the watch has stable timing performance and accurate running time function, at the same time, the material and processing technology of the entry tile 501 and the exit tile 502 also directly affect the durability and reliability of the watch, by selecting high-quality gem materials or alloy materials and through precise machining and polishing process, it can be ensured that the entry tile 501 and the exit tile 502 have sufficient hardness and wear resistance, so as to prolong the service life and maintain stable performance.

[0032] Referring to Figure 1 , Figure 2 Figure 1 Figure 2 , the left limiting rod 901 and the right limiting rod 902 are arranged on both sides of the escapement fork 4, for limiting the position of the escapement fork 4, in the operation process of the watch, the escapement fork 4 needs to move according to the predetermined trajectory and rhythm, the left limiting rod 901 and the right limiting rod 902 can effectively limit the lateral movement and deflection of the escapement fork 4, so as to ensure the stability and accuracy of its movement, at the same time, the existence of the left limiting rod 901 and the right limiting rod 902 also improves the shock resistance and durability of the watch, when the watch is impacted or vibrated by external force, the left limiting rod 901 and the right limiting rod 902 can play the role of buffering and supporting, reducing the impact force and wear of the escapement fork 4, so as to prolong the service life.

[0033] The implementation principle of the embodiment is that the escapement mechanism of the mechanical watch is mainly composed of the hairspring balance wheel 1, the escapement fork 4 and the escapement wheel 6 and other core components, the hairspring main body 2 is wound on the hairspring balance wheel 1, and the periodic vibration thereof provides the basis for timing, the protrusion 3 on the surface of the double disc 8 is responsible for driving the end of the escapement fork 4, so as to drive the operation of the escapement mechanism, the escapement fork 4 and the escapement wheel 6 are precisely engaged with the end of the tweezers through the setting of the engagement mechanism 7, wherein the engagement mechanism 7 includes the through hole 701 and the rubber gasket ring 702 pasted on the inner side, the inclined surface structure of the gasket ring 702 facilitates the stable connection of the tweezers, and the limiting ring 704 at the top ensures the smoothness of the insertion process and improves the installation stability of the gasket ring 702, the entry tile 501 and the exit tile 502 at the end of the escapement fork 4 are engaged with the escapement wheel 6, so as to realize the transmission of energy and the accuracy of control, at the same time, the left limiting rod 901 and the right limiting rod 902 on both sides of the escapement fork 4 limit its position, so as to ensure the stability and accuracy of the escapement mechanism.

[0034] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change of no creative contribution to the embodiment according to the need after reading the specification without departing from the principle and the purpose of the utility model, but as long as in the patent right claim range of the utility model, it is protected by the patent law.

Claims

1. An escapement mechanism for a mechanical watch, characterized in that: Including a hairspring balance wheel (1), a pallet fork (4) and a pallet wheel (6), the pallet fork (4) and the pallet wheel (6) are provided with two sets of clamping mechanisms (7), the clamping mechanism (7) includes a through hole (701), the inner side of the through hole (701) is pasted with a grommet (702), and the material of the grommet (702) is rubber, the inner side surface (703) of the grommet (702) is inclined surface structure, for clamping with the end of the external forceps.

2. The mechanical watch escapement according to claim 1, characterized in that: The top end of the grommet (702) is provided with a limiting ring (704), and the entrance for inserting the forceps on the inner side of the limiting ring (704) is a round corner structure.

3. The mechanical watch escapement according to claim 1, characterized in that: The hairspring balance wheel (1) is provided with a hairspring main body (2), and the top of the hairspring balance wheel (1) is provided with a double disc (8).

4. The mechanical watch escapement according to claim 3, characterized in that: The surface of the double disc (8) is fixedly provided with a protruding block (3), which is used for driving the end of the pallet fork (4).

5. The mechanical watch escapement according to claim 1, characterized in that: The end of the pallet fork (4) is embedded with an inlet tile (501) and an outlet tile (502) on both sides, and the inlet tile (501) and the outlet tile (502) are clamped with the pallet wheel (6).

6. The mechanical watch escapement according to claim 1, characterized in that: The left limiting rod (901) and the right limiting rod (902) are arranged on both sides of the pallet fork (4), which is used for limiting the position of the pallet fork (4).