Connecting pin for watchband connecting mechanism

By providing a contact piece at the tail of the connecting needle body and slidingly cooperate with the pressing assembly, the lateral movement of the connecting needle is achieved, and the problem of disassembly with the help of a special fixture in the prior art is solved, and the watch is easily disassembled and replaced.

CN223232253UActive Publication Date: 2025-08-19JINHUI (ZHONGSHAN) METAL MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422563880.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-08-19
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

The connecting pins of existing mechanical chain watches cannot be combined with them by adding pressing components to form a connecting mechanism that controls the movement of the connecting pin. They need to be disassembled with a special disassembly fixture, resulting in inconvenience in disassembly and replacement.

Method used

A contact piece extending outward from the tail of the connecting needle body is provided at the tail of the connecting needle body, and slidably cooperates with the pressing assembly, so that the connecting needle moves horizontally by pressing the pressing assembly, thereby realizing disassembly without the need for special disassembly tools.

Benefits of technology

It simplifies the disassembly and replacement process of the watch, improves user convenience, reduces manufacturing costs and enhances the stability of the connection mechanism.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223232253U_ABST
    Figure CN223232253U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of wearable equipment, and particularly relates to a connecting pin for a watchband connecting mechanism. Comprising a connecting needle body and an abutting part which is arranged at the tail of the connecting needle body and makes contact with the bottom side of a pressing assembly, the abutting part extends outwards from the tail of the connecting needle body, and the pressing assembly is in sliding fit with the abutting part so as to drive the connecting needle body to move transversely when the pressing assembly is pressed downwards. According to the connecting needle, the abutting piece which extends outwards from the tail of the connecting needle body and makes contact with the bottom side of the pressing assembly is arranged at the tail of the connecting needle body, and movement of the connecting needle is controlled through sliding fit of the pressing assembly and the abutting piece. In this way, the connecting needle body can be driven to move transversely by pressing the pressing assembly downwards, so that the connecting needle retracts into the earhole, the watchband and the watchcase are detached, a special detaching jig is not needed, the detaching and replacing process of the watch is simplified, and the use convenience of a user is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical field

[0002] The present application belongs to the technical field of wearable devices, and specifically relates to a connecting pin for a watch strap connecting mechanism. [Background Technology]

[0004] Mechanical chain watches are accessories that people often wear in their daily lives. They consist of a watch strap and a dial, which are connected by a head bead. In order to make it possible to remove and replace the watch strap, the existing head bead is provided with connecting pins that run through both sides of the head bead to connect the watch strap and the dial. When the watch strap needs to be removed, a special disassembly jig is required to push out the connecting pins. However, due to structural limitations, the current connecting pins cannot be formed into a connecting mechanism that uses a pressing method to control the movement of the connecting pin by adding a pressing component and cooperating with it. Therefore, there is an urgent need for a connecting pin that can cooperate with the pressing component to control the movement of the connecting pin. [Utility Model Content]

[0006] In order to solve the problem in the prior art that the connecting pin cannot be controlled to move by cooperating with an additional pressing assembly, the present application provides a connecting pin for a watch strap connecting mechanism.

[0007] This application is achieved through the following technical solutions:

[0008] A connecting needle for a watch strap connecting mechanism comprises a connecting needle body and an abutment member arranged at the tail of the connecting needle body and in contact with the bottom side of a pressing assembly. The abutment member extends outward from the tail of the connecting needle body, and the pressing assembly and the abutment member are slidably engaged to drive the connecting needle body to move laterally when the pressing assembly is pressed down.

[0009] In the connecting needle for a watchband connecting mechanism as described above, the abutment member is vertically arranged on the connecting needle body.

[0010] In the connecting needle for a watchband connecting mechanism as described above, the abutment member includes an extension portion and an abutment portion, the outer diameter of the abutment portion is L, and the outer diameter of the extension portion is S, wherein L≥S.

[0011] In the connecting needle for the watchband connecting mechanism as described above, the abutting portion is in the shape of a ball head.

[0012] In the connecting pin used in the watchband connecting mechanism as described above, a limiting groove for partially embedding a spring is provided at the tail end of the connecting pin body.

[0013] As described above, a connecting needle for a watch strap connecting mechanism has a sliding cavity provided at the head of the connecting needle body, an opening communicating with the sliding cavity is opened at the head end of the connecting needle body, a slider is provided in the sliding cavity, and an elastic member drives one end of the slider to extend out of the opening.

[0014] In the connecting pin for a watch strap connecting mechanism as described above, the elastic member presses against the slider in the initial state so that one end of the slider extends out of the opening; when the slider moves in a direction of retracting into the opening under the action of an external force, the elastic member is compressed.

[0015] In the connecting needle for the watchband connecting mechanism as described above, the limiting groove and the bottom of the sliding cavity are in an inverted cone shape.

[0016] As described above, a connecting needle for a watch strap connecting mechanism, the slider includes a protruding portion and an embedded portion, the outer diameter of the protruding portion is adapted to the diameter of the opening, the outer diameter of the embedded portion is adapted to the inner diameter of the sliding cavity, the diameter of the opening is D, and the inner diameter of the sliding cavity is B, wherein D<B.

[0017] Compared with the prior art, this application has the following advantages:

[0018] The present application discloses a connecting pin for a watch strap connection mechanism. By providing an abutment member at the rear end of the connecting pin body, which extends outward from the rear end and contacts the bottom side of a pressing assembly, the movement of the connecting pin is controlled by the sliding engagement between the pressing assembly and the abutment member. This allows the connecting pin body to be moved laterally by pressing the pressing assembly downward, thereby retracting the connecting pin into the ear hole and enabling detachment of the watch strap from the watch case. This eliminates the need for specialized disassembly jigs, simplifies the watch disassembly and replacement process, and improves user convenience.

Brief Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0021] Figure 1 It is a three-dimensional solid in the embodiment of this application Figure 1 ;

[0022] Figure 2 It is a three-dimensional solid in the embodiment of this application Figure 2 ;

[0023] Figure 3 yes Figure 1 Exploded view of;

[0024] Figure 4 yes Figure 2 Exploded view of;

[0025] Figure 5 yes Figure 1 The main view;

[0026] Figure 6 1 is a top view of the laser welding method 1 in the embodiment of the present application;

[0027] Figure 7 yes Figure 6 Cross-sectional view at AA in the middle;

[0028] Figure 8 This is a schematic diagram of the assembly breakdown of the connecting needle and the pressing component.

[0029] Figure 9 is a top view of the second laser welding method in the embodiment of the present application;

[0030] Figure 10 yes Figure 9 Cross-sectional view at center BB. [Specific implementation method]

[0032] In order to make the technical problems, technical solutions and beneficial effects solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0033] See also Figures 1 to 10 A connecting needle for a watch strap connecting mechanism includes a connecting needle body 1 and an abutment 3 provided at the tail of the connecting needle body 1 and in contact with the bottom side of a pressing component 2. The abutment 3 extends outward from the tail of the connecting needle body 1. The pressing component 2 and the abutment 3 are slidably engaged to drive the connecting needle body 1 to move laterally when the pressing component 2 is pressed down.

[0034] The present invention relates to a connecting pin for a watch strap connection mechanism. A contact piece is provided at the rear end of the connecting pin body, extending outward from the rear end of the connecting pin body and contacting the bottom side of a pressing assembly. This allows the pressing assembly and the contact piece to slide together to control the movement of the connecting pin. This allows the pressing assembly to be pressed downward, driving the connecting pin body to move laterally, thereby retracting the connecting pin into the ear hole 200 and enabling detachment of the watch strap from the watch case 300. This eliminates the need for specialized disassembly jigs, simplifies the watch disassembly and replacement process, and improves user convenience.

[0035] Furthermore, as a preferred embodiment of this solution but not a limitation, the abutment member 3 is vertically arranged on the connecting needle body 1 .

[0036] In this embodiment, it is ensured that the pressing assembly 2 can stably drive the connecting needle body 1 to move laterally when pressed down, thereby realizing reliable removal and replacement of the watch strap. The vertically arranged abutment 3 has a larger contact area with the pressing assembly 2, and the sliding fit is smoother, reducing the possibility of jamming or wear. In addition, this design also simplifies the structure of the connecting needle and reduces manufacturing costs. The abutment 3 can also be tilted to adapt to different matching requirements of the pressing assembly 2 and the connecting needle body 1, so as to optimize the interaction force between the pressing assembly 2 and the connecting needle body 1 and ensure good contact and sliding performance between the two.

[0037] Furthermore, as a preferred embodiment of the present invention but not limiting, the abutting member 3 includes an extending portion 31 and an abutting portion 32 , the outer diameter of the abutting portion 32 is L, and the outer diameter of the extending portion 31 is S, wherein L≥S.

[0038] In this embodiment, the outer diameter of the extension portion 31 is smaller than that of the abutment, which can reduce the space occupied by the tail of the connecting needle body 1 and facilitate the cooperation between the abutment and the bottom inclined surface of the pressing component within a limited space. The abutment 32 can be designed to be spherical to increase the contact area with the pressing component 2 and reduce friction; the extension portion 31 is designed to be cylindrical to provide sufficient strength and stability.

[0039] Furthermore, as a preferred embodiment of this solution but not a limitation, the abutting portion 32 is in the shape of a ball head.

[0040] In this embodiment, the ball-shaped abutment portion 32 can provide lower friction, allowing the pressing assembly 2 to more smoothly drive the connecting needle body 1 to move laterally when pressed. In addition, the ball-shaped design can also increase the wear resistance and impact resistance of the abutment portion 32, extending its service life. The abutment portion 32 can also be designed into other shapes, such as cylindrical, conical, or special shapes, to adapt to different matching requirements of the pressing assembly 2 and the connecting needle body 1. Designing the abutment portion 32 as a cylinder provides better support and stability; designing the abutment portion 32 as a cone reduces resistance during pressing and improves the convenience of operation.

[0041] Furthermore, as a preferred embodiment of the present invention but not a limitation thereof, a limiting groove 11 is provided at the tail end of the connecting needle body 1 for partially embedding the spring 100 .

[0042] In this embodiment, retaining groove 11 provides a precise insertion location for spring 100, ensuring its proper placement within connecting needle body 1, thereby enhancing the stability of the entire connecting mechanism. The partial insertion of the spring within retaining groove 11 allows it to function stably, providing the necessary elastic force and ensuring precise fit between connecting needle body 1 and other components. Furthermore, retaining groove 11 facilitates installation and replacement of spring 100, facilitating maintenance and repair.

[0043] Furthermore, as a preferred embodiment of the present invention but not a limitation, the head of the connecting needle body 1 is provided with a sliding cavity 12, the head end of the connecting needle body 1 is provided with an opening 13 connected to the sliding cavity 12, the sliding cavity 12 is provided with a slider 4, and an elastic member 5 that drives one end of the slider 4 to extend out of the opening 13.

[0044] In this embodiment, when the slider 4 is retracted into the sliding cavity 12 by an external force, the elastic member 5 is compressed and stores elastic potential energy. When the external force disappears, the elastic member 5 releases the elastic potential energy and pushes the slider 4 out of the opening 13, restoring the connecting pin to its initial position. This automatic reset function improves the ease and reliability of the connecting pin operation and reduces operator error and malfunction. The elastic member can be configured as a spring, a spring clip, or the like.

[0045] Furthermore, as a preferred embodiment of the present invention but not a limitation, the elastic member 5 presses against the slider 4 in the initial state so that one end of the slider 4 extends out of the opening 13; when the slider 4 moves toward the direction of retracting into the opening 13 under the action of external force, the elastic member 5 is compressed.

[0046] In this embodiment, after the connecting pin is retracted into the ear hole by pressing the assembly, the slider is also retracted into the ear hole to separate the watch case and the watch strap. At this time, the extension of the slider will not affect the separation of the watch case and the watch strap.

[0047] Furthermore, as a preferred embodiment of the present invention but not a limitation, the limiting groove 11 and the bottom of the sliding cavity 12 are in an inverted cone shape.

[0048] In this embodiment, the inverted tapered bottom guides elastic members, such as springs, springs, or other mating components, to smoothly enter and exit the slot, reducing friction and resistance during assembly and improving assembly efficiency and reliability. Furthermore, the inverted tapered shape increases the contact area, enhancing the stability and durability of the connection.

[0049] Furthermore, as a preferred embodiment of the present invention but not a limitation, the slider 4 includes an extension portion 41 and an embedded portion 42, the outer diameter of the extension portion 41 is adapted to the diameter of the opening 13, the outer diameter of the embedded portion 42 is adapted to the inner diameter of the sliding cavity 12, the diameter of the opening 13 is D, and the inner diameter of the sliding cavity 12 is B, wherein D<B.

[0050] In this embodiment, the cooperation between the embedded portion 42 and the sliding cavity 12 can provide sufficient support and stability to prevent the slider 4 from offsetting or getting stuck during the sliding process, and the setting of the opening diameter being smaller than the inner diameter of the sliding cavity can prevent the slider from detaching from the sliding cavity.

[0051] Furthermore, as a preferred embodiment of the present invention but not limitation, the connecting needle body 1 and the abutment member 3 are integrally formed or the connecting needle body 1 and the abutment member 3 are separate bodies and connected by laser welding.

[0052] In this embodiment, the laser welding method is as follows Figure 7 As shown, the bottom of the abutment extends to the limit groove in the connecting needle body for laser welding, and the bottom of the abutment is a plane; the second laser welding method is as shown in FIG. Figure 10 As shown, one side of the bottom of the abutment extends to the limiting groove in the connecting needle body, and the other side extends to the central axis of the connecting needle body for laser welding.

[0053] Furthermore, as a preferred embodiment of this solution but not a limitation, the connecting needle body 1 is provided with an annular protrusion 14 disposed along the circumferential outer surface of the connecting needle body 1. In this third embodiment, the preferred number of annular protrusions is set to two, including but not limited to other numbers of annular protrusions. The provision of the annular protrusions can, on the one hand, reduce the contact area between the spring ear and the telescopic channel, lowering friction and making the extension and retraction of the spring ear smoother, and on the other hand, ensure that the spring ear does not become loose in the telescopic channel and produce abnormal noise.

[0054] The working principle of this embodiment is as follows:

[0055] The present application discloses a connecting pin for a watch strap connection mechanism. By providing an abutment member at the rear end of the connecting pin body, which extends outward from the rear end and contacts the bottom side of a pressing assembly, the movement of the connecting pin is controlled by the sliding engagement between the pressing assembly and the abutment member. This allows the connecting pin body to be moved laterally by pressing the pressing assembly downward, thereby retracting the connecting pin into the ear hole and enabling detachment of the watch strap from the watch case. This eliminates the need for specialized disassembly jigs, simplifies the watch disassembly and replacement process, and improves user convenience.

[0056] The above are implementation methods provided in conjunction with specific content, and the specific implementation of this application is not limited to these descriptions. Any method structure that is similar to the method structure of this application, or any technical deduction or replacement based on the concept of this application, should be considered as the scope of protection of this application.

Claims

1. A connecting pin for a watch strap connecting mechanism, characterized in that: The invention comprises a connecting needle body (1), and an abutment member (3) provided at the tail of the connecting needle body (1) and in contact with the bottom side of the pressing assembly (2); the abutment member (3) extends outward from the tail of the connecting needle body (1); the pressing assembly (2) and the abutment member (3) are slidably matched to drive the connecting needle body (1) to move laterally when the pressing assembly (2) is pressed downward.

2. A connecting pin for a watch strap connecting mechanism according to claim 1, characterized in that: The abutment member (3) is arranged perpendicularly to the connecting needle body (1).

3. The connecting pin for a watch strap connecting mechanism according to claim 1, characterized in that: The abutment member (3) comprises an extension portion (31) and an abutment portion (32), the outer diameter of the abutment portion (32) is L, and the outer diameter of the extension portion (31) is S, wherein L≥S.

4. A connecting pin for a watch strap connecting mechanism according to claim 3, characterized in that: The abutting portion (32) is in the shape of a ball head.

5. The connecting pin for a watch strap connecting mechanism according to claim 1, characterized in that: The tail end of the connecting needle body (1) is provided with a limiting groove (11) for partially embedding the spring (100).

6. The connecting pin for a watch strap connecting mechanism according to claim 1, characterized in that: The head of the connecting needle body (1) is provided with a sliding cavity (12), the head end of the connecting needle body (1) is provided with an opening (13) communicating with the sliding cavity (12), the sliding cavity (12) is provided with a slider (4), and an elastic member (5) for driving one end of the slider (4) to extend out of the opening (13).

7. The connecting pin for a watch strap connecting mechanism according to claim 6, characterized in that: The elastic member (5) presses against the slider (4) in the initial state so that one end of the slider (4) extends out of the opening (13); when the slider (4) moves in a direction of retracting into the opening (13) under the action of an external force, the elastic member (5) is compressed.

8. The connecting pin for a watch strap connecting mechanism according to claim 6, characterized in that: The limiting groove (11) and the bottom of the sliding cavity (12) are in an inverted cone shape.

9. The connecting pin for a watch strap connecting mechanism according to claim 6, characterized in that: The slider (4) includes a protruding portion (41) and an embedded portion (42), the outer diameter of the protruding portion (41) is adapted to the diameter of the opening (13), the outer diameter of the embedded portion (42) is adapted to the inner diameter of the sliding cavity (12), the diameter of the opening (13) is D, and the inner diameter of the sliding cavity (12) is B, wherein D<B.