A device for winding and positioning a clock spring

By employing meshing gear transmission and multi-position slot design in the watch spring winding device, the problem of unstable power transmission in the existing technology is solved, precise control of spring winding is achieved, watch timekeeping error is reduced, and high precision requirements are met.

CN224536358UActive Publication Date: 2026-07-21HUNAN RUIBO WATCH MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUNAN RUIBO WATCH MANUFACTURING CO LTD
Filing Date
2025-10-16
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing watch spring winding mechanisms are prone to jamming or slippage during power transmission, making it impossible to precisely control the winding degree, resulting in large timekeeping errors and failing to meet high precision requirements.

Method used

The first and second bevel gears in the positioning assembly mesh to ensure smooth power transmission without jamming or slippage. Combined with the multi-position slots on the rotating rod, it achieves precise control of the winding end point of the mainspring, avoiding reliance on manual experience.

Benefits of technology

It achieves precise control of the mainspring winding, reduces timekeeping errors in watches, and meets the timekeeping requirements of high-precision mechanical watches.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to mechanical clock manufacturing and maintenance equipment technical field discloses a kind of for clockwork spring winding positioning device, by main component, winding component and positioning component constitute, pull pin compression spring to separate from card slot, rotate knob drives first bevel gear rotation, first bevel gear engages second bevel gear drive rotating rod rotation, rotating rod drives spring along the sliding slot of support column to support column winding, scratch bar isolates spring and support column to avoid scratch;After spring winding to target degree, loosen pin, spring reset pushes pin to insert corresponding card slot, fixed rotating rod and knob position, prevent spring back loose;When spring releases elastic potential, drive rotating rod reverse rotation, and then drive pointer along dial rotation instruction time, glass mirror surface is convenient for observing time, shell protects internal component.
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Description

Technical Field

[0001] This utility model relates to the technical field of mechanical watch manufacturing and repair equipment, specifically a positioning device for winding watch springs. Background Technology

[0002] In the manufacturing and maintenance of mechanical clocks and watches, the mainspring winding and positioning device is the core component that ensures the accuracy of timekeeping. It needs to achieve orderly winding, precise positioning and safety protection of the mainspring to avoid damage or positioning failure during winding, which would cause the clock to keep inaccurate time.

[0003] A search revealed existing technology (application number: CN201320504653.4), which describes "a cable winding device." This utility model allows users to shorten or lengthen cables at will simply by stretching them, while also winding the cable inside the device for an aesthetically pleasing effect. The device is small in size and can be used with commonly used electrical junction boxes. Furthermore, the device has a simple structure, low cost, and is easy to maintain.

[0004] While existing technologies allow users to shorten or lengthen cables at will simply by stretching them, and can also wind the cable inside the device for aesthetic purposes, and are small enough to be used with commonly used electrical boxes, they still have some shortcomings: most devices use a simple rod-like transmission structure, which is prone to jamming or slippage during winding, making it impossible to accurately control the winding degree; some devices lack a gear positioning design, relying solely on manual experience to judge the winding end point, resulting in inconsistent mainspring tension with each winding, causing fluctuations in the watch's running speed, with errors reaching several minutes or even tens of minutes per day, failing to meet the timekeeping requirements of high-precision watches. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a device for positioning and winding mainsprings in clocks.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a positioning device for winding mainspring of a watch, comprising: a main body assembly disposed on the ground; a winding assembly disposed inside the main body assembly; and a positioning assembly disposed inside the main body assembly; wherein the winding assembly comprises: an anti-scratch bar disposed on the winding assembly for preventing scratching of the inner side of the mainspring during winding.

[0007] As a further description of the above technical solution:

[0008] The winding assembly further includes: a spring, one end of which is welded to the main body assembly; and a support column, which is disposed on the main body assembly.

[0009] As a further description of the above technical solution:

[0010] The main components include: a housing, which is placed on the ground; a glass mirror, which is placed on the housing; a dial, which is placed inside the housing; and a pointer, which is placed on the dial.

[0011] As a further description of the above technical solution:

[0012] The positioning component includes: a knob, one end of which is rotatably connected to the outer casing and passes through and is rotatably connected to the support column; a first bevel gear, welded to the other end of the knob; a rotating rod, rotatably connected to the outer casing and the support column; a second bevel gear, which meshes with the first bevel gear and is welded to the rotating rod; a locking pin, which is slidably connected to the knob; and a spring, one end of which is welded to the knob and the other end of which is welded to the locking pin.

[0013] As a further description of the above technical solution:

[0014] The other end of the spring is welded to the rotating rod.

[0015] As a further description of the above technical solution:

[0016] The support column is provided with a sliding groove, and the spring is slidably connected to the sliding groove.

[0017] As a further description of the above technical solution:

[0018] The rotating rod has a slot, and the locking pin is slidably connected to the slot.

[0019] This utility model has the following beneficial effects:

[0020] The power transmission is seamless and smooth through the meshing of the first and second bevel gears in the positioning assembly, ensuring uniform rotation of the rotating rod and precise control of the mainspring winding. Multiple slots on the rotating rod create multi-position positioning, eliminating the need for manual experience to determine the winding endpoint and guaranteeing consistent winding tightness each time. Compared to existing simple rod-driven devices without positional positioning, this design significantly reduces daily timekeeping errors in watches, meeting the timekeeping requirements of high-precision mechanical clocks. Attached Figure Description

[0021] Figure 1 This is a front view of a clock spring winding and positioning device proposed in this utility model;

[0022] Figure 2 This is a schematic diagram of the main component of a clock spring winding and positioning device proposed in this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of a winding assembly for a watch spring winding and positioning device proposed in this utility model;

[0024] Figure 4 An exploded view of a winding assembly for a clock spring winding and positioning device proposed in this utility model;

[0025] Figure 5 This is a cross-sectional view of a positioning component for a clock spring winding positioning device proposed in this utility model;

[0026] Figure 6 This is a schematic diagram of the positioning component of a clock spring winding positioning device proposed in this utility model;

[0027] Figure 7 This is an enlarged view of a positioning component for a watch spring winding positioning device proposed in this utility model;

[0028] Legend:

[0029] 1. Main body assembly; 11. Outer shell; 12. Glass mirror; 13. Dial; 14. Hand; 2. Winding assembly; 21. Mainspring; 22. Support column; 23. Anti-scratch bar; 3. Positioning assembly; 31. Knob; 32. First bevel gear; 33. Second bevel gear; 34. Rotating rod; 35. Locking pin; 36. Spring. Detailed Implementation

[0030] 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.

[0031] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described in detail below with reference to the accompanying drawings.

[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Example 1:

[0034] like Figures 1 to 7 As shown, this embodiment provides a clock spring winding and positioning device, including: a main body component 1, which is set on the ground; a winding component 2, which is set inside the main body component 1; and a positioning component 3, which is set inside the main body component 1. The winding component 2 includes: an anti-scratch bar 23, which is set on the winding component 2 to prevent the inner side of the main spring 21 from being scratched during winding.

[0035] In this embodiment, the winding component and the positioning component constitute a clock spring winding and positioning device according to this application.

[0036] It should also be noted that the mainspring winding and positioning device in this application can be a precision winding and positioning device for manual winding mechanical wristwatches, a damage-resistant winding and positioning device for household clocks, a multi-position winding and positioning device for vintage wall clocks, etc. Figure 1 In this embodiment, a watch mainspring winding positioning device is used as an example for precise winding positioning of a manual winding mechanical watch mainspring. Of course, other types of watch mainspring winding positioning devices can also adopt similar structures, which will not be described in detail below.

[0037] Understandable Figure 1 This illustration only schematically shows some components of a clock spring winding and positioning device; the actual shape, size, position, and construction of these components are not subject to change. Figure 1 Due to limitations, a device for positioning the winding of a watch spring can also include, compared to... Figure 1 More or fewer parts.

[0038] In addition, in this embodiment, the main body component 1 provides the mounting base, the winding component 2 realizes the winding of the mainspring 21, the positioning component 3 fixes the winding position, and the anti-scratch bar 23 isolates the mainspring 21 from the support column 22.

[0039] Specifically, the winding assembly 2 also includes: a spring 21, one end of which is welded to the main body assembly 1; and a support column 22, which is disposed on the main body assembly 1.

[0040] In this embodiment, the mainspring 21 is wound around the support post 22 to store elastic potential energy, and the support post 22 provides the winding center axis for the mainspring 21.

[0041] Specifically, the main component 1 includes: a housing 11, which is set on the ground; a glass mirror 12, which is set on the housing 11; a dial 13, which is set inside the housing 11; and a pointer 14, which is set on the dial 13.

[0042] In this embodiment, the outer casing 11 protects the internal components, and the glass mirror 12 facilitates the observation of the dial 13 and the pointer 14. The dial 13 provides a time scale reference, and the pointer 14 rotates with the power of the mainspring 21 to indicate the time.

[0043] Specifically, the positioning component 3 includes: a knob 31, one end of which is rotatably connected to the housing 11 and passes through and is rotatably connected to the support column 22; a first bevel gear 32, which is welded to the other end of the knob 31; a rotating rod 34, which is rotatably connected to the housing 11 and the support column 22; a second bevel gear 33, which meshes with the first bevel gear 32 and is welded to the rotating rod 34; a locking pin 35, which is slidably connected to the knob 31; and a spring 36, one end of which is welded to the knob 31 and the other end of which is welded to the locking pin 35.

[0044] In this embodiment, rotating the knob 31 drives the first bevel gear 32 to rotate, and the first bevel gear 32 meshes with the second bevel gear 33 to drive the rotating rod 34 to rotate; pulling the locking pin 35 to compress the spring 36 can unlock the knob 31, and after being released, the spring 36 returns to its original position and pushes the locking pin 35 to fix the knob 31.

[0045] Specifically, the other end of the spring 21 is welded to the rotating rod 34.

[0046] With this configuration, when the rotating rod 34 rotates, it drives the spring 21 to wind or unwind around the support column 22, thereby storing and releasing elastic potential energy.

[0047] Specifically, a groove is provided on the support column 22, and the spring 21 is slidably connected to the groove.

[0048] When the mainspring 21 is wound or unwound, it slides along the groove, which restricts the radial displacement of the mainspring 21.

[0049] Specifically, a slot is provided on the rotating rod 34, and the locking pin 35 is slidably connected to the slot.

[0050] In this embodiment, when the locking pin 35 is inserted into the slot, it restricts the rotation of the rotating rod 34; when the locking pin 35 is pulled out of the slot, the rotating rod 34 can rotate freely.

[0051] In actual use, the operator first rotates the knob 31 to drive the first bevel gear 32 to rotate. The first bevel gear 32 meshes with the second bevel gear 33. The rotation of the first bevel gear 32 drives the second bevel gear 33 to rotate, causing the rotating rod 34 to rotate. Rotating the rotating rod 34 causes the mainspring 21 to wind onto the rotating rod 34. At the same time, a slot is provided on the rotating rod 34, and a locking pin 35 is slidably connected to the slot. The position of the locking pin 35 on the slot determines the degree of winding of the mainspring 21. A sliding groove is provided on the support column 22, and the mainspring 21 is slidably connected to the sliding groove. The anti-scratch rod 23 is provided on the winding assembly 2 to prevent scratching the inside of the mainspring 21 during winding. By winding the mainspring 21, the pointer 14 is driven to rotate to the designated position, thereby achieving time calibration.

[0052] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A positioning device for winding mainsprings in watches, characterized in that: include: Main component (1), set on the ground; The winding component (2) is disposed inside the main component (1); Positioning component (3) is set inside the main component (1); The winding assembly (2) includes: A scratch guard (23) is provided on the winding assembly (2) to prevent scratching the inside of the spring (21) during winding.

2. The clock spring winding and positioning device according to claim 1, characterized in that: The winding assembly (2) also includes: The spring (21) is welded at one end to the main body component (1); Support column (22) is set on main component (1).

3. A positioning device for winding and positioning a watch spring according to claim 2, characterized in that: The main component (1) includes: The outer casing (11) is set on the ground; A glass mirror (12) is mounted on the outer casing (11); The dial (13) is located inside the casing (11); The pointer (14) is set on the dial (13).

4. A clock spring winding and positioning device according to claim 3, characterized in that: The positioning component (3) includes: The knob (31) is rotatably connected to the outer casing (11) at one end and is rotatably connected to the support column (22) through it; The first bevel gear (32) is welded to the other end of the knob (31); Rotating rod (34) is rotatably connected to the outer shell (11) and the support column (22); The second bevel gear (33) meshes with the first bevel gear (32) and is welded to the rotating rod (34); The locking pin (35) is slidably connected to the knob (31); The spring (36) is welded to the knob (31) at one end and to the locking pin (35) at the other end.

5. A positioning device for winding and positioning a watch spring according to claim 4, characterized in that: The other end of the spring (21) is welded to the rotating rod (34).

6. A clock spring winding and positioning device according to claim 5, characterized in that: The support column (22) has a sliding groove, and the spring (21) is slidably connected to the sliding groove.

7. A clock spring winding and positioning device according to claim 6, characterized in that: The rotating rod (34) has a slot, and the locking pin (35) is slidably connected to the slot.