Anti-vibration watch head and watch

Abstract

The anti-vibration watch head comprises a watchcase, a movement, a positioning piece, a connecting piece and a fixing piece, the movement is arranged in the watchcase, the positioning piece and the connecting piece are arranged at the upper end and the lower end of the movement respectively and used for buffering and limiting the movement, and the connecting piece comprises an elastic connecting piece and a buffering piece. The elastic connecting piece comprises a main body part and an elastic part arranged on the peripheral edge of the main body part, the elastic part is arranged in a wave shape from inside to outside, at least two containing grooves with opposite openings are formed in the elastic part, and the buffer pieces are arranged in the containing grooves; and the outer side end of the elastic part is fixed on the meter shell by the fixing piece. The gauge head has all-directional anti-vibration capability and can bear impact and vibration in different directions, and the anti-vibration fixing piece and the positioning piece are composite pieces, so that the anti-vibration requirement can be met, and the assembly process is simplified; the consistency, the reliability and the production efficiency of products are obviously improved, and the manufacturing cost is reduced; the practicability is high, and the popularization significance is high.

Description

Technical Field

[0001] This invention relates to the field of precision timekeeping instruments, and more particularly to a shock-resistant watch head and a watch. Background Technology

[0002] During daily wear and use, watches are inevitably subjected to various external shocks and vibrations. Severe impacts can cause misalignment or damage to delicate internal parts of the movement (such as the balance wheel, hairspring, and escapement), resulting in inaccurate timekeeping or even stopping. Therefore, the shock resistance of a watch is crucial.

[0003] The core of a watch's shock resistance lies in the effective protection of the movement. Currently, the mainstream installation methods for the movement within the watch case are all designed with shock resistance in mind. However, existing shock resistance solutions are either limited by the properties of the materials themselves or have rigid connection nodes in their structural design, resulting in a single dimension of shock resistance. They cannot simultaneously take into account both axial and radial (lateral) impact buffering, and thus cannot meet the urgent need for comprehensive and highly reliable shock resistance in complex usage scenarios.

[0004] Specifically, existing technologies have the following typical methods and corresponding defects: First, a common structure is to fix the movement in a plastic liner and then press the whole thing into the metal case. Although this method can achieve a certain cushioning effect, the shock-absorbing performance depends entirely on the mechanical properties of a single plastic material, and the impact energy attenuation ability is limited; moreover, after long-term use or temperature cycling, the plastic is prone to aging, resulting in the loss of preload, which in turn gradually reduces the shock-absorbing effect.

[0005] Secondly, it adopts a structure that combines front-end positioning with rear-end rigid fixing. That is, the front and side faces of the movement are positioned and fitted with the inner cavity of the case, while the rear is directly locked to the case by screws through a metal plate. This structure forms a rigid multi-point fixation, which makes the side of the movement in rigid contact with the case, and cannot buffer lateral impacts. At the same time, the rigid screw connection will directly transmit axial impacts to the movement, resulting in poor overall buffering effect.

[0006] Thirdly, in an improved version based on the aforementioned rigid fixed structure, the rear metal plate is attached to the case groove via an elastic clip or spring. While this method can provide some axial elasticity and partially absorb axial impact energy, the movement side remains rigidly positioned, resulting in insufficient lateral impact protection. Furthermore, the elastic stroke and stiffness design of the spring are significantly limited by the structure, making it difficult to meet the demands of complex and varied multi-dimensional impact scenarios and failing to fundamentally solve the all-around vibration protection problem. Summary of the Invention

[0007] Therefore, it is necessary to provide a shock-resistant watch head and watch to address the shortcomings of existing technologies.

[0008] A vibration-damping watch head includes a watch case, a movement, a positioning component, a connecting component, and a fixing component. The watch case has an inner mounting groove, and an upper limit boss and a lower limit boss are provided on the inner side of the mounting groove. The positioning component is mounted on the upper limit boss. The movement is mounted in the mounting groove and confined within the positioning component. A damping diaphragm is provided on the positioning component. The connecting component includes an elastic connecting component and a buffer component. The elastic connecting component includes a main body and an elastic portion disposed on the outer periphery of the main body. The main body is located directly below the movement, and the elastic portion is disposed between the main body and the watch case. The elastic portion is wavy from the inside out and has at least two continuous curved portions forming at least two receiving grooves with opposite openings. The buffer component is mounted in the receiving groove. The elastic connecting component also has a mounting portion on the outer side of the elastic portion, and the fixing component secures the mounting portion to the lower limit boss.

[0009] Furthermore, the positioning element has an L-shaped cross-section, including an inner positioning ring and an outer damping diaphragm; the positioning ring contacts the movement, and the damping diaphragm contacts the inner surface of the watch case.

[0010] Furthermore, the positioning ring is made of nylon; the damping diaphragm is made of ACF.

[0011] Furthermore, the elastic portion is provided in several groups, and the elastic portions are distributed at intervals on the outer periphery of the main body.

[0012] Furthermore, there are three receiving slots. The two inner receiving slots are equipped with the buffer, while the outermost receiving slot does not require the installation of a buffer.

[0013] Furthermore, the buffer is made of a flexible damping material, and the elastic part is made of a metallic material.

[0014] Furthermore, the vibration damping fixing component includes an elastic screw, a nut insert, and a locking screw. The nut insert is made of metal, the elastic screw is made of plastic, the nut insert has internal threads, and the locking screw is screwed into the nut insert.

[0015] Furthermore, it also includes a washer disposed between the elastic portion and the inner surface of the case.

[0016] Furthermore, the elastic part is provided with baffles at the slot openings on the upper and lower sides of the receiving groove, and a limiting plate is provided at the middle of the side of the receiving groove.

[0017] Furthermore, a first groove extends outward from the bottom surface of the upper limit boss, and an L-shaped second groove is also provided at the corner position of the inner surface of the positioning ring.

[0018] A shock-resistant watch, comprising the aforementioned shock-resistant watch head.

[0019] In summary, this invention, by incorporating a positioning component on the outer upper part of the movement, a connecting component at the lower end, a vibration-damping fixing component, and a washer, endows the movement with multi-directional impact and vibration resistance. This significantly reduces the risk of displacement or damage to the movement caused by impact and vibration, ensuring the stability and lifespan of the device. Furthermore, core components such as the vibration-damping fixing component and the front positioning component of the movement employ an integrated composite structure. For example, a metal nut insert is pre-embedded in a nylon elastic screw through a single injection molding process, providing both elastic buffering and reliable fastening. While ensuring excellent vibration resistance, this invention significantly reduces the number of parts and simplifies the assembly process, thereby significantly improving product consistency, reliability, and production efficiency, and reducing manufacturing costs. This invention is highly practical and has significant potential for widespread application. Attached Figure Description

[0020] Figure 1 This is one of the cross-sectional structural schematic diagrams of the vibration-damping meter head in this invention;

[0021] Figure 2 for Figure 1 A partially enlarged structural diagram;

[0022] Figure 3 for Figure 2 Schematic diagram of the bottom structure of the connecting component;

[0023] Figure 4 for Figure 2 A schematic diagram showing the installation of the buffer component onto the elastic part;

[0024] Figure 5 for Figure 2 A partial structural diagram of the vibration damping fastener;

[0025] Figure 6 for Figure 2 Top view and cross-sectional structural diagram of the center positioning component. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0027] like Figures 1 to 6As shown, the present invention provides a shock-resistant watch head, which includes a watch case 10, a movement 20, a positioning component 30, a connecting component 40, a shock-resistant fixing component 50, a dial 60, and a washer 70. The movement 20 and the dial 60 are both installed inside the watch case 10, with the dial 60 located directly above the movement 20. The positioning component 30 is located between the watch case 10 and the movement 20, on the upper outer side of the movement 20. The connecting component 40 is installed below the movement 20. The shock-resistant fixing component 50 fixes the connecting component 40 to the inner side of the watch case 10. The washer 70 is located between the shock-resistant fixing component 50 and the connecting component 40. In this embodiment, the shock-resistant watch head is applied to a wristwatch. It is understood that in other embodiments, this watch head can also be applied to pocket watches or similar products.

[0028] The inner side of the watch case 10 is provided with a through mounting groove 11. An upper limit boss 111 and a lower limit boss 112 are provided on the inner side of the mounting groove 11. The positioning member 30 is mounted on the upper limit boss 111 from bottom to top. The movement 20 is mounted in the mounting groove 11, and the upper limit boss 111 limits its movement. The positioning member 30 improves the vibration and impact resistance of the movement 20. A first groove 1111 extends outward from the bottom surface of the upper limit boss 111. The design of this first groove 1111 can eliminate mechanical stress and thermal stress during installation, preventing the positioning member 30 from cracking or its surface film from peeling due to stress accumulation. Furthermore, in this embodiment, the upper and lower ends of the watch case 10 are also provided with a watch cover 12 and a bottom cover 13, and the dial 60 extends upward into the inner side of the watch cover 12.

[0029] The positioning element 30 includes a positioning ring 31 and a damping membrane 32 disposed on its outer surface. In this embodiment, the cross-section of the positioning element 30 is L-shaped. The positioning ring 31 is made of nylon; nylon has good strength, which is beneficial for the positioning of the movement 20, and its vibration damping performance is better than that of metal. The damping membrane 32 is made of ACF (Artificial Cartilage Foam), which has excellent vibration and impact resistance. It is formed on the positioning ring 31 by spraying, vapor deposition, etc., and the thickness of the damping membrane 32 is 0.10-0.25mm. It can be understood that in other embodiments, the thickness of the damping membrane 32 can be set to be thicker or thinner as needed, and its specific thickness is not limited here. The inner surface of the positioning ring 31 is also provided with an L-shaped second groove 311 at the corner position. The design of the second groove 311 can effectively eliminate the problems of surface shrinkage marks, internal stress concentration and dimensional deformation caused by uneven shrinkage of nylon material during cooling, thereby ensuring that the positioning component 30, which serves as the mounting limit surface of the movement 20, has higher dimensional accuracy, structural strength and long-term stability.

[0030] The connector 40 includes an elastic connector 41 and two buffer members 42. The elastic connector 41 includes a main body 411 and an elastic portion 412 disposed on the outer periphery of the main body 411. The two buffer members 42 are embedded in the elastic portion 412. In this embodiment, the main body 411 is circular and is located directly below the movement 20. Three sets of elastic portions 412 are evenly arranged on the outer edge of the main body 411. It can be understood that in other embodiments, there may be two or more sets. Here, the specific number is not limited.

[0031] The elastic part 412 is wavy from the inside out, and has at least two continuous curved portions forming at least two receiving grooves 4121 with opposite openings. Two buffer members 42 are respectively embedded in the two receiving grooves 4121. In this embodiment, the receiving grooves 4121 are U-shaped grooves, and there are three receiving grooves 4121. The two buffer members 42 are embedded in the two inner receiving grooves 4121, and the outermost receiving groove 4121 does not need to be fitted with a buffer member, so as to improve and constrain the mechanical behavior of the elastic part 412 itself. The buffer member 42 is a flexible damping material, such as at least one of rubber, silicone, polyurethane elastomer, thermoplastic elastomer, high damping gel, etc. The elastic part 412 is a metal material, such as stainless steel. In this embodiment, the wavy elastic part 412 plays a role similar to a spring, and has a good impact resistance and vibration damping effect; while the buffer member 42 can further absorb energy, so that the vibration stops quickly.

[0032] Furthermore, the elastic part 412 is provided with baffles 4123 at the opening positions on the upper and lower sides of the receiving groove 4121, and a limiting plate 4124 is provided at the middle of at least one side of the receiving groove 4121. When installing the buffer 42, the buffer 42 is first inserted into the receiving groove 4121, and then the baffles 4123 are rotated to block the opening of the receiving groove 4121. The groove wall of the receiving groove 4121, the limiting plates 4124 on both sides, and the limiting plates 4124 can all limit the buffer 42, thereby making its installation more stable.

[0033] An installation portion 413 is also provided on the outermost side of the elastic portion 412. The installation portion 413 has an installation hole, and the anti-vibration fixing member 50 locks the installation portion 413 to the watch case. In this embodiment, the installation portion 413 extends horizontally and is roughly flush with the main body portion 411 of the elastic connector 41, while the elastic portion 412 is located between the two and protrudes upward. The washer 70 is disposed between the anti-vibration fixing member 50 and the installation portion 413. More preferably, the inner side of the washer 70 protrudes from the inner side of the lower limit boss 112 and is closer to the upward protruding part of the elastic portion 412; thus, during vibration, the washer 70 contacts the elastic portion 412 before the lower limit boss 112, which can further improve the cushioning performance.

[0034] The vibration damping fixing component 50 includes an elastic screw 51, a nut insert 52, and a locking screw 53. The nut insert 51 is made of metal, and the elastic screw 51 is made of plastic (e.g., nylon). The nut insert 51 is embedded in the elastic screw 51 by injection molding. The nut insert 51 has internal threads, and the locking screw 53 is screwed into the nut insert 51. In this embodiment, the pre-processed metal nut insert 52 is first placed in an injection mold, and the elastic screw 51 is formed on its outer side. Then, the external threads of the elastic screw 51 are processed.

[0035] During assembly, the positioning component 30 is aligned and installed from bottom to top on the upper limit boss 111. Subsequently, the watch movement 20 is pressed axially from bottom to top into the watch case 10. The connecting component 40 is installed from bottom to top on the bottom surface of the movement 20, and the mounting portion 413 at the outermost end of the elastic portion 412 of the connecting component 40 is locked to the lower limit boss 112 by the anti-vibration fixing component 50; specifically, the elastic screw 51 passes through the through hole of the mounting portion 413 and is screwed into the hole at the corresponding position inside the watch case 10, and then the locking screw 53 is rotated to tighten. The elastic deformation of the elastic screw 51 can absorb vibration, compensate for tolerances, and play an anti-loosening role; while the locking screw 53 is screwed into the pre-embedded nut insert 52, providing strong rigid tension to firmly press the mounting portion 413.

[0036] When subjected to vibration, the L-shaped positioning element 30 used on the front side can withstand impacts and vibrations from the sides and top. The positioning element 30 has a rigid positioning ring 31 and an ACF damping diaphragm 32, providing both good strength for positioning the movement 20 and excellent vibration and impact resistance, thus protecting the movement 20 from vibration and impact. The connecting element 40 (elastic part 412, buffer 42), vibration damping fixing element 50 (elastic screw 51), and washer 70 located on the rear side of the movement 20 effectively reduce or eliminate impacts and vibrations from different directions.

[0037] In summary, this invention, by providing a positioning component 30 on the outer upper part of the movement 20, a connecting component 40 on the lower part, a vibration-damping fixing component 50, and a washer 70, endows the movement 20 with multi-directional impact and vibration resistance. This significantly reduces the risk of displacement or damage to the movement 20 caused by impact and vibration, ensuring the stability and service life of the device. Simultaneously, core components such as the vibration-damping fixing component 50 and the front positioning component 30 of the movement 20 adopt an integrated composite structure. For example, a metal nut insert 52 is pre-embedded in a nylon elastic screw 51 through a single injection molding process, giving it both elastic buffering and reliable fastening functions. While ensuring excellent vibration resistance, this invention significantly reduces the number of parts and simplifies the assembly process, thereby significantly improving product consistency, reliability, and production efficiency, and reducing manufacturing costs. This invention is highly practical and has significant potential for widespread application.

[0038] The embodiments described above only illustrate some implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A vibration-proof watch head, characterized by: The application relates to a vibration-proof watch, which comprises a watch case, a watch core, a positioning member, a connecting member and a fixing member, wherein the watch core is arranged in the watch case, the positioning member and the connecting member are arranged on the upper and lower sides of the watch core respectively to buffer and limit the watch core; an installation groove is arranged on the inner side of the watch case, upper and lower limiting bosses are arranged on the inner side of the installation groove, the positioning member is arranged on the upper limiting boss, the watch core is arranged in the installation groove and is limited on the inner side of the positioning member, and a damping film is arranged on the positioning member; the connecting member comprises an elastic connecting member and a buffer member, the elastic connecting member comprises a main body and an elastic part arranged on the outer peripheral edge of the main body, the main body is arranged directly below the watch core, the elastic part is arranged between the main body and the watch case, the elastic part is arranged in a wave shape from inside to outside and forms at least two open and reverse accommodating grooves, and the buffer member is arranged in the accommodating groove; an installation part is arranged on the outer side of the elastic part of the elastic connecting member, and the fixing member fixes the installation part on the lower limiting boss.

2. The shockproof watch head according to claim 1, wherein: The positioning member is arranged in an L shape in cross section and comprises an inner positioning ring and a damping film arranged on the outer side; the positioning ring is in contact with the watch core, and the damping film is in contact with the inner surface of the watch case.

3. The shockproof watch head according to claim 2, wherein: The material of the positioning ring is nylon, and the material of the damping film is ACF.

4. The shockproof watch head according to claim 1, wherein: The elastic part is arranged in several groups and is arranged on the outer peripheral edge of the main body in a spaced manner.

5. The shockproof watch head according to claim 4, wherein: The accommodating groove is arranged in three, the buffer member is arranged in the two inner accommodating grooves, and the outermost accommodating groove does not need to be provided with the buffer member.

6. The shockproof watch head according to claim 1, wherein: The vibration-proof fixing member comprises an elastic screw, a nut insert and a locking screw, the nut insert is made of metal material, the elastic screw is made of plastic material, the nut insert is provided with an inner thread, and the locking screw is screwed in the nut insert.

7. The shockproof watch head according to claim 1, wherein: A gasket is further arranged between the elastic part and the inner surface of the watch case.

8. The shockproof watch head according to claim 1, wherein: The elastic part is provided with a baffle at the notch positions on the upper and lower sides of the accommodating groove and is provided with a limiting plate at the middle of the side surface of the accommodating groove.

9. The shockproof watch head according to claim 1, wherein: A first groove is outwardly extended from the bottom surface of the upper limiting boss, and a second groove in an L shape is further arranged at the corner position of the inner surface of the positioning ring.

10. A shock resistant watch characterized by comprising: The application further relates to a watch, which comprises a watch head and a watch band arranged on the watch head, wherein the watch head is the vibration-proof watch head as claimed in any one of claims 1 to 9.

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