Mechanical watch movement precision control structure

Abstract

The utility model relates to the technical field of mechanical watches, in particular to a mechanical watch movement precision control structure which comprises a mechanical watch body, a fixing mechanism is arranged on the lower surface of the mechanical watch body, the fixing mechanism comprises a bottom shell, and the bottom shell is in sliding connection with the lower surface of the mechanical watch body. A connecting rod penetrates through the upper surface of the bottom shell and is rotatably connected with the upper surface of the bottom shell, a fixing buckle is fixedly connected to the lower surface of the connecting rod, a rectangular groove is formed in the lower surface of the fixing buckle, a sliding groove is formed in the lower surface of the mechanical watch body, the inner surface of the sliding groove is slidably connected with the connecting rod, and the cross section of the sliding groove is in a T shape. According to the utility model, through the arrangement of the connecting rod, the bottom shell, the arc-shaped block, the cross rod and the chute, when a mechanical watch needs to be maintained, the bottom shell can be disassembled by rotating the connecting rod, and the maintenance efficiency of the mechanical watch is improved.

Description

Technical Field

[0001] This utility model relates to the field of mechanical watch technology, specifically to a precision control structure for a mechanical watch movement. Background Technology

[0002] Mechanical watches can generally be divided into two types: manual-winding and automatic-winding watches. Both types are powered by a mainspring within the movement, which drives gears and ultimately the hands; the difference lies in the method of power generation. Manual-winding watches rely on manually winding the mainspring for power, resulting in a thinner movement and lighter weight compared to automatic watches. Automatic watches, on the other hand, use a rotating rotor within the movement to generate power and wind the mainspring. However, manual-winding watches are generally thinner than automatic watches.

[0003] A search revealed that Chinese publication number CN217443740U discloses a precision control structure for a mechanical watch movement. This structure includes a seconds wheel and a rotor wheel driven by a stepper motor, both housed within the movement. The movement also includes a precision wheel II driven by the rotor wheel and a precision wheel I driven by the seconds wheel. Precision wheel I is provided with stop arms I spaced at intervals along its circumference, and precision wheel II is provided with stop arms II spaced at intervals along its circumference to block the stop arms I. This structure can reduce the difficulty of component manufacturing and improve the timekeeping accuracy of the movement.

[0004] However, due to demagnetization or insufficient lubrication in the movement of most mechanical watches during use, the movement may become stuck. Mechanical watches require multiple repairs after prolonged use, and repairs are often inconvenient. Therefore, we propose a precision control structure for mechanical watch movements. Utility Model Content

[0005] The purpose of this utility model is to provide a precision control structure for mechanical watch movements, which solves the problem of inconvenience in the maintenance of most mechanical watches.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A precision control structure for a mechanical watch movement includes a mechanical watch body. A fixing mechanism is provided on the lower surface of the mechanical watch body. The fixing mechanism includes a bottom case, which is slidably connected to the lower surface of the mechanical watch body. A connecting rod passes through the upper surface of the bottom case and is rotatably connected to the connecting rod. A fixing buckle is fixedly connected to the lower surface of the connecting rod. A rectangular groove is formed on the lower surface of the fixing buckle. A sliding groove is formed on the lower surface of the mechanical watch body. The inner surface of the sliding groove is slidably connected to the connecting rod. The sliding groove has a T-shaped cross-section. An arc-shaped block is slidably connected to the upper surface of the connecting rod. The lower surface of the arc-shaped block is slidably connected to the inner surface of the sliding groove.

[0008] Preferably, a crossbar is fixedly connected to the upper surface of the connecting rod, and the crossbar passes through the arc-shaped block and is slidably connected to the arc-shaped block.

[0009] Preferably, the arc-shaped block is fixedly connected to one end of the spring, and the crossbar is fixedly connected to the other end of the spring.

[0010] Preferably, the arc of the arc block is 160 degrees, and the inner surface of the slide groove is formed with a 160-degree curved surface.

[0011] Preferably, the upper surface of the bottom shell is provided with a disassembly mechanism, the disassembly mechanism includes a vertical rod, the vertical rod penetrates the movement housing and is slidably connected to the movement housing, a fixing block is fixedly connected to the lower surface of the movement housing, an L-shaped rod penetrates the right surface of the fixing block and is slidably connected to the L-shaped rod, an arc groove is formed on the outer arc surface of the vertical rod, and the L-shaped rod is slidably connected to the inner surface of the arc groove.

[0012] Preferably, the L-shaped rod is fixedly connected to one end of the second spring, and the fixing block is fixedly connected to the other end of the second spring.

[0013] Preferably, the cross-sectional shape of the L-shaped rod near the arc-shaped groove is triangular.

[0014] By employing the above technical solution, this utility model provides a precision control structure for a mechanical watch movement. It possesses at least the following beneficial effects:

[0015] (1) By setting up a connecting rod, bottom shell, arc block, cross bar and slide groove, this utility model can disassemble the bottom shell by rotating the connecting rod when mechanical watch needs to be repaired, thus improving the repair efficiency of mechanical watch.

[0016] (2) By setting up the vertical rod, L-shaped rod, arc groove and spring 2, when maintenance is required, the movement can be pulled down to make the L-shaped rod disengage from the arc groove. Before the L-shaped rod returns to its original position through spring 2, the movement can be taken out from the bottom case, making it easier to disassemble the movement of the mechanical watch. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the mechanical watch body of this utility model;

[0020] Figure 3 This is a cross-sectional view of the fixing mechanism of this utility model;

[0021] Figure 4 For the present utility model Figure 3 Enlarged schematic diagram of section A in the middle;

[0022] Figure 5 For the present utility model Figure 4 Enlarged schematic diagram of part B in the middle.

[0023] In the diagram: 1. Mechanical watch body; 2. Fixing mechanism; 21. Back case; 22. Connecting rod; 23. Fixing buckle; 24. Slide groove; 25. Arc-shaped block; 26. Horizontal bar; 27. Spring 1; 3. Disassembly mechanism; 31. Vertical bar; 32. Movement housing; 33. Fixing block; 34. L-shaped bar; 35. Arc-shaped groove; 36. Spring 2. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1

[0026] Please see Figures 1-5This utility model provides a precision control structure for a mechanical watch movement, including a mechanical watch body 1. A fixing mechanism 2 is provided on the lower surface of the mechanical watch body 1. The fixing mechanism 2 includes a bottom shell 21, which is slidably connected to the lower surface of the mechanical watch body 1. A connecting rod 22 passes through the upper surface of the bottom shell 21 and is rotatably connected to the connecting rod 22. A fixing buckle 23 is fixedly connected to the lower surface of the connecting rod 22. A rectangular groove is formed on the lower surface of the fixing buckle 23. By forming a rectangular groove on the lower surface of the fixing buckle 23, it can cooperate with other equipment when the bottom shell 21 needs to be disassembled. A sliding groove 24 is formed on the lower surface of the mechanical watch body 1. The inner surface of the sliding groove 24 is slidably connected to the connecting rod 22. The cross-sectional shape of the sliding groove 24 is T-shaped. By setting the cross-sectional shape of the sliding groove 24 to T-shape, it can effectively ensure that the bottom shell 21 is limited by the cooperation of the connecting rod 22 and the arc block 25. An arc block 25 is slidably connected to the upper surface of the connecting rod 22. The lower surface of the 25 is slidably connected to the inner surface of the slide groove 24. A crossbar 26 is fixedly connected to the upper surface of the connecting rod 22. The crossbar 26 passes through the arc-shaped block 25 and is slidably connected to the arc-shaped block 25. The arc-shaped block 25 is fixedly connected to one end of the spring 27, and the crossbar 26 is fixedly connected to the other end of the spring 27. The arc of the arc-shaped block 25 is 160 degrees. The inner surface of the slide groove 24 is provided with a 160-degree curved surface. By providing a 160-degree curved surface on the inner surface of the slide groove 24... When the bottom case 21 needs to be disassembled, simply rotate the fixing buckle 23 by forty degrees so that the arc-shaped edge of the lower surface of the arc block 25 contacts the curved surface of the slide groove 24. After pulling the bottom case 21 down, the curved surface of the slide groove 24 will squeeze the arc-shaped edge of the lower surface of the arc block 25, causing the arc block 25 to retract into the connecting rod 22. The arc block 25 retracts to the same diameter as the connecting rod 22, allowing the connecting rod 22 to be pulled out from the slide groove 24 of the mechanical watch body 1.

[0027] In this embodiment, by setting up the connecting rod 22, the bottom shell 21, the arc block 25, the crossbar 26 and the slide groove 24, the bottom shell 21 can be disassembled by rotating the connecting rod 22 when the mechanical watch needs to be repaired, which improves the repair efficiency of the mechanical watch.

[0028] Example 2

[0029] Please see Figures 1-5Based on Embodiment 1, this utility model provides a technical solution: Preferably, a disassembly mechanism 3 is provided on the upper surface of the bottom shell 21. The disassembly mechanism 3 includes a vertical rod 31, which penetrates the movement housing 32 and is slidably connected to it. A fixing block 33 is fixedly connected to the lower surface of the movement housing 32. An L-shaped rod 34 penetrates the right surface of the fixing block 33 and is slidably connected to it. An arc groove 35 is provided on the outer arc surface of the vertical rod 31. Through the cooperation of the arc groove 35 and the L-shaped rod 34, the movement housing 32 can be limited, thereby ensuring that the movement installed inside the movement housing 32 is in a safe position. It is more stable in use. At the same time, a conical block is fixed on the upper surface of the bottom case 21. The conical block ensures that the movement can be closely attached to the display screen of the mechanical watch body 1, which is more stable. The L-shaped rod 34 is slidably connected to the inner surface of the arc groove 35. The L-shaped rod 34 is fixedly connected to one end of the second spring 36, and the fixing block 33 is fixedly connected to the other end of the second spring 36. The cross-sectional shape of the end of the L-shaped rod 34 near the arc groove 35 is triangular. By designing the shape of the end of the L-shaped rod 34 near the arc groove 35 as a triangle, when it is necessary to remove the movement from the bottom case 21, it is only necessary to push the movement down and then pull the movement up.

[0030] In this embodiment, by setting up the vertical rod 31, the L-shaped rod 34, the arc groove 35 and the second spring 36, when maintenance is required, the movement can be pulled down to disengage the L-shaped rod 34 from the arc groove 35. Before the L-shaped rod 34 is restored by the second spring 36, the movement can be taken out from the bottom case 21, making it easier to disassemble the movement of the mechanical watch.

[0031] Working principle: When the movement inside the mechanical watch body 1 is demagnetized or its lubrication is reduced, a screwdriver is inserted into the rectangular slot of the retaining buckle 23, and the retaining buckle 23 is rotated forty degrees. This causes the arc-shaped edge of the lower surface of the arc-shaped block 25 to contact the curved surface of the slide groove 24. After pulling down the bottom case 21, the curved surface of the slide groove 24 will press against the arc-shaped edge of the lower surface of the arc-shaped block 25, causing the arc-shaped block 25 to retract into the connecting rod 22 until it is the same diameter as the connecting rod 22. This allows the connecting rod 22 to extend from the mechanical watch body 1. Pulling out of the groove 24, the bottom case 21 drives the connecting rod 22 and the vertical rod 31 to move downwards, while simultaneously pulling out the vertical rod 31 and the movement case 32 inside the mechanical watch body 1, pushing the movement case 32 downwards, and the movement case 32 drives the L-shaped rod 34 to move downwards. The inner surface of the arc groove 35 presses the L-shaped rod 34, and the L-shaped rod 34 moves outwards from the arc groove 35. Before the spring 2 36 has restored the L-shaped rod 34 through its elastic force, the movement case 32 is pulled upwards, pulling the movement case 32 out from the vertical rod 31 for maintenance.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A precision control structure for a mechanical watch movement, comprising a mechanical watch body (1), characterized in that: The lower surface of the mechanical watch body (1) is provided with a fixing mechanism (2). The fixing mechanism (2) includes a bottom shell (21). The bottom shell (21) is slidably connected to the lower surface of the mechanical watch body (1). A connecting rod (22) passes through the upper surface of the bottom shell (21) and is rotatably connected to the connecting rod (22). A fixing buckle (23) is fixedly connected to the lower surface of the connecting rod (22). A rectangular groove is opened on the lower surface of the fixing buckle (23). A sliding groove (24) is opened on the lower surface of the mechanical watch body (1). The inner surface of the sliding groove (24) is slidably connected to the connecting rod (22). The cross-sectional shape of the sliding groove (24) is T-shaped. An arc-shaped block (25) is slidably connected to the upper surface of the connecting rod (22). The lower surface of the arc-shaped block (25) is slidably connected to the inner surface of the sliding groove (24).

2. The precision control structure for a mechanical watch movement according to claim 1, characterized in that: A crossbar (26) is fixedly connected to the upper surface of the connecting rod (22), and the crossbar (26) passes through the arc-shaped block (25) and is slidably connected to the arc-shaped block (25).

3. The precision control structure for a mechanical watch movement according to claim 2, characterized in that: The arc-shaped block (25) is fixedly connected to one end of the spring (27), and the crossbar (26) is fixedly connected to the other end of the spring (27).

4. The precision control structure for a mechanical watch movement according to claim 3, characterized in that: The arc of the arc block (25) is 160 degrees, and the inner surface of the groove (24) is provided with a 160-degree curved surface.

5. The precision control structure for a mechanical watch movement according to claim 4, characterized in that: The upper surface of the bottom shell (21) is provided with a disassembly mechanism (3). The disassembly mechanism (3) includes a vertical rod (31). The vertical rod (31) passes through the movement housing (32) and is slidably connected to the movement housing (32). A fixing block (33) is fixedly connected to the lower surface of the movement housing (32). An L-shaped rod (34) passes through the right surface of the fixing block (33) and is slidably connected to the L-shaped rod (34). An arc groove (35) is opened on the outer arc surface of the vertical rod (31). The L-shaped rod (34) is slidably connected to the inner surface of the arc groove (35).

6. The precision control structure for a mechanical watch movement according to claim 5, characterized in that: The L-shaped rod (34) is fixedly connected to one end of the second spring (36), and the fixing block (33) is fixedly connected to the other end of the second spring (36).

7. The precision control structure for a mechanical watch movement according to claim 6, characterized in that: The L-shaped rod (34) has a triangular cross-section at the end near the arc groove (35).

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