CN217954916U

CN217954916U - Spring plectrum for mechanical watch movement, setting wheel reset mechanism and mechanical watch movement

Info

Publication number: CN217954916U
Application number: CN202221469125.5U
Authority: CN
Inventors: 曾军; 权建亮
Original assignee: Shanghai Jinghe Industrial Co ltd
Current assignee: Shanghai Jinghe Industrial Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-12-02
Anticipated expiration: 2032-06-14

Abstract

The utility model relates to the technical field of mechanical watch core internal components, in particular to a spring plectrum for a mechanical watch core, a setting wheel reset mechanism and a mechanical watch core, wherein the spring plectrum for the mechanical watch core comprises a clamping part and a long handle part which are integrally formed; the clamping part is integrally arranged in a pi shape and comprises a connecting section, a left clamp and a right clamp, and the end part of the clamping part is provided with a clamping convex block for clamping the positioning pipe; the end of the long handle part, which is far away from the buckling part, is an elastic free end and is used for pushing the pin poking wheel. The spring shifting sheet for the mechanical watch core of the utility model is arranged by the structure, so that the spring shifting sheet can be quickly and stably connected with the positioning tube; the pin wheel resetting mechanism has the advantages that the spring plectrum for the mechanical watch core and the positioning pipe are arranged into a separated structure, so that the universality and the adaptability of parts are improved; the mechanical watch core can quickly and efficiently connect all parts due to the use of the setting wheel resetting mechanism, and meanwhile, the production cost is reduced.

Description

Spring plectrum for mechanical watch movement, setting wheel reset mechanism and mechanical watch movement

Technical Field

The utility model belongs to the technical field of mechanical watch core internals technique and specifically relates to a spring plectrum, thumb wheel canceling release mechanical system and mechanical watch core for mechanical watch core are related to.

Background

The mechanical watch core is a core component of the mechanical watch, and the mechanical watch core is internally provided with a dial wheel, a fast dial wheel and a dial pulley structure, and mainly comprises a main clamping plate, the dial wheel, the fast dial wheel, the dial pulley and the like.

The pin wheel is usually installed in a special-shaped groove and driven to rotate by a quick-acting wheel, and after the pin wheel rotates, the pin wheel needs to be pushed to reset by means of an external elastic structure, such as a spring shifting piece. For example, chinese patent No. CN209149087U discloses a quick setting mechanism for setting reset spring and calendar watch, the core improvement of which is to integrally form a positioning tube and an elastic spring piece fixedly connected with a main plate, thereby achieving the purposes of reducing cost and efficiently assembling.

The integrally formed lever spring structure simplifies the reset mechanism of the hand setting wheel in structural quantity, but the universality and the adaptability of the integrally formed lever spring structure are affected correspondingly, for example, the same type of lever spring structure is only suitable for a watch core of one type, and the cost of the watch core is practically and invisibly increased. The inventors consider that the core of solving the above problems is: how to realize the quick and efficient connection of the spring shifting piece and the positioning tube.

SUMMERY OF THE UTILITY MODEL

To the problem of unable high efficiency concatenation between spring plectrum and the registration arm among practical application, this application aim at provides a spring plectrum for mechanical watch core, and it possesses the advantage that the installation rate is fast, installation back stable in structure. Based on above-mentioned mechanical spring plectrum for the movement, this application purpose two is in providing a setting wheel canceling release mechanical system, can make setting wheel rotate the back and reset fast taking place. Finally, based on above-mentioned thumb wheel canceling release mechanical system, this application still provides a mechanical watch core.

The specific scheme is as follows:

a spring plectrum for a mechanical watch movement comprises a clamping part and a long handle part which are integrally formed; the clamping part is integrally arranged in a pi shape and comprises a connecting section, a left clamp and a right clamp, and clamping convex blocks used for clamping the hollow positioning tube are arranged at the end parts of the left clamp and the right clamp; one end of the long handle part close to the buckling part is connected with the connecting section in an integrated mode, and one end of the long handle part far away from the buckling part is an elastic free end and used for pushing the pin wheel.

Through adopting above-mentioned technical scheme, the buckle portion of spring plectrum for the mechanical watch core can insert the registration arm fast, stably, and the two zonulae occludens is difficult to not hard up moreover, realizes the high-efficient concatenation of spring plectrum and registration arm.

Optionally, the locking protrusion is respectively located on a side where the left buckle and the right buckle deviate from each other.

By adopting the technical scheme, the clamping convex block can be clamped at the bottom of the positioning pipe, so that the spring shifting piece is tightly connected with the positioning pipe and is not easy to loosen.

Optionally, one side that left buckle and right buckle were kept away from to the card dress lug is provided with the inclined plane that makes things convenient for left buckle, right buckle card to go into the registration arm.

By adopting the technical scheme, the clamping part of the spring shifting piece can be guided by the inclined surface of the clamping convex block to be smoothly inserted into the clamping channel of the positioning pipe, and the assembly efficiency is improved.

Optionally, the inclined surface has an inclination angle of 45-80 °.

Optionally, a clamping arc groove is formed at the joint of the left buckle and the connecting section, and the two clamping arc grooves are respectively located on the side where the left buckle and the right buckle are away from each other; the outline shape of the clamping arc groove is matched with the outline shape of the port of the positioning pipe.

Through adopting above-mentioned technical scheme for when installation, the relative position of the two concatenation of location can be fixed a position rapidly to spring plectrum and registration arm, and is more high-efficient convenient, also makes the concatenation between registration arm and the spring plectrum inseparabler.

Optionally, an avoiding structure for preventing the long handle part from colliding with the movement structure of the watch core is arranged in the long handle part.

By adopting the technical scheme, the collision between the long handle part and other functional structures in the mechanical watch core can be avoided, and the normal operation of each part in the mechanical watch core is ensured.

The second purpose of the application is to provide a setting wheel resetting mechanism, which comprises a positioning tube and the spring setting piece for the mechanical watch movement; the positioning pipe is provided with a clamping channel along the axial direction in a penetrating way and is fixedly arranged on the main clamping plate; the clamping convex blocks on the left buckle and the right buckle of the spring shifting piece penetrate through the clamping channel and are connected with the clamping channel in a clamping mode.

Through adopting above-mentioned technical scheme for setting up to the disconnect-type structure including spring plectrum and registration arm two parts for the setting of thumb wheel canceling release mechanical system, the special construction of spring plectrum and registration arm makes the two can install and connect fast high-efficiently, and the structure of this disconnect-type has increased thumb wheel canceling release mechanical system commonality and suitability simultaneously.

Optionally, a clamping groove with a shape and size matched with the thickness of the spring pulling piece is formed in the side wall of the port of the positioning tube along the axial direction of the positioning tube.

Through adopting above-mentioned technical scheme, the angle and the direction that are fit for the installation can be found rapidly to the spring plectrum when convenient installation, and the unanimity of shape size and thickness makes the thumb wheel canceling release mechanical system structure more stable after the installation.

Optionally, the length direction of the spring shifting piece is perpendicular to the axial direction of the clamping rod.

Through adopting above-mentioned technical scheme for the setting wheel canceling release mechanical system structure is more stable, can not disturb the normal operating of other moving parts simultaneously.

The third purpose of the present application is to provide a mechanical watch movement, which includes the setting wheel resetting mechanism as described above.

By adopting the technical scheme, the separated type setting wheel resetting mechanism is arranged inside, the universality and the adaptability of internal components of the mechanical watch core are improved, and the production cost of the mechanical watch core is reduced.

The beneficial effects of the utility model reside in that:

1. according to the spring shifting sheet for the mechanical watch core, due to the structural arrangement, the spring shifting sheet can be quickly and stably connected with the positioning pipe, and the spring shifting sheet and the positioning pipe are tightly connected and are not easy to loosen;

2. the pin wheel resetting mechanism has the advantages that the spring plectrum for the mechanical watch core and the positioning pipe are arranged into a separated structure, so that the universality and the adaptability of parts are improved;

3. the mechanical watch core uses the setting wheel resetting mechanism to enable the inner parts to be connected quickly and efficiently, and meanwhile, the production cost is reduced.

Drawings

FIG. 1 is a schematic structural view of a spring striking plate for a mechanical watch movement according to the present invention;

FIG. 2 is a schematic structural view of the setting wheel resetting mechanism of the present invention;

fig. 3 is a schematic structural view of the spring plectrum for the mechanical watch movement of the present invention after optimization.

Description of reference numerals:

1. a fastening part; 10. a connection section; 11. a left buckle; 12. a right buckle; 13. a locking projection; 14. clamping the arc groove; 15. positioning the bump; 2. a long handle portion; 3. a positioning tube; 30. a clamping channel; 31. a clamping groove; 4. a main clamping plate; 5. a needle poking wheel.

Detailed Description

The present invention will be described in further detail with reference to fig. 1 to 3. The following is first briefly described in the present invention, and the specific functions of each component will come and go according to the functions of the component in the corresponding technical solutions, but all are within the scope of the technical solutions of the present invention:

a main clamping plate: mainly the assembly supporting piece of the watch core, and various parts on the watch core are tightly and correctly assembled together through the mounting hole and the bearing hole on the main clamping plate.

Spring plectrum: the pin setting wheel mainly prevents the pin setting wheel in the mechanical watch core from excessively large motion amplitude and restores the initial position through the elastic spring setting sheet.

Positioning a tube: the spring plectrum is arranged at a fixed position on the main clamping plate, and one end of the spring plectrum, which is far away from the needle-setting wheel, is fixed at the same position on the main clamping plate, so that a reaction force is generated for the spring plectrum to reset the needle-setting wheel.

A needle setting wheel: the quick-setting mechanism is arranged on a special-shaped groove of the main clamping plate and is used for carrying out quick-setting work, and the quick-setting mechanism is driven by the rotating handle shaft to rotate so as to drive other parts to rotate.

Example 1:

the embodiment 1 of the present application discloses a spring plectrum for a mechanical watch core, as shown in fig. 1, the planar shape of the spring plectrum for the whole mechanical watch core is L-shaped, and the spring plectrum body is integrally formed and is sheet-shaped, and comprises a buckling part 1 connected and clamped with a positioning tube 3 and a long handle part 2 used for pushing a needle poking wheel. The clamping part 1 is shaped like a pi and comprises a connecting section 10, a left clamping buckle 11 and a right clamping buckle 12, wherein the end parts of the left clamping buckle 11 and the right clamping buckle 12 are provided with clamping convex blocks 13 used for clamping the positioning pipe 3.

One end of the long handle part 2 close to the buckling part 1 is integrally connected with the connecting section 10, and one end far away from the buckling part 1 is an elastic free end and is used for pushing the pin wheel 5.

In daily use, the elastic free end of the long handle part 2 of the spring poking sheet is propped against the shaft of the needle poking wheel 5, and an acting force for restoring the needle poking wheel 5 to the initial position after displacement is applied.

As shown in fig. 1, the locking protrusions 13 are respectively located on the sides of the left buckle 11 and the right buckle 12 which are away from each other. In a specific embodiment, the locking protrusion 13 may be annularly disposed at the end portions of the left buckle 11 and the right buckle, and a locking protrusion may be formed.

In order to facilitate the quick clamping of the clamping part into the positioning tube, an inclined surface is arranged on one side of the clamping convex block 13 away from the left clamp 11 and the right clamp 12. As shown in fig. 3, the side of the inclined surface close to the connecting section is inclined toward the side away from the connecting section. The inclined direction of the inclined surface on the locking convex block on the left buckling part inclines from one side far away from the left buckling part to one side close to the left buckling part. The inclined direction of the inclined surface of the locking convex block on the right buckling part inclines from one side far away from the right buckling part to one side close to the right buckling part.

The inclined angle of the upper inclined surface of the locking lug is 45-80 degrees, preferably, in the embodiment of the application, the inclined angle is 60 degrees.

In order to further improve the splicing speed and stability of the spring plectrum for the mechanical watch movement and the positioning tube, the following improvements are made to the spring plectrum buckling part 1 for the mechanical watch movement in the embodiment:

with specific reference to fig. 3, the angle of the inclined surface which is conveniently clamped into the positioning tube 3 and is arranged by the clamping convex block 13 at one end of the spring plectrum clamping part 1 for the mechanical watch core is increased, the size of the angle can be 45-80 degrees, and 70 degrees is selected as an optimization example; meanwhile, the bottoms of the left buckle 11 and the right buckle 12 close to the long handle part 2 are respectively provided with a positioning lug 15 with the same horizontal height.

By increasing the angle of the inclined surface, when the spring plectrum is installed on the positioning tube 3, the inclined surface can guide the clamping lug 13 to be inserted into the clamping channel 30 of the positioning tube 3, the installation speed is higher, the installation operation is simpler, meanwhile, the installation error can be reduced, and the mechanical damage between the watch core parts can be avoided to a certain extent; through setting up location lug 15, can make the inseparable gomphosis of buckle portion 1 and registration arm 3 of spring plectrum, avoid exerting reaction force's in-process when using each other not hard up from top to bottom to influence the whole function of mechanical watch core.

In order to prevent the long handle part 2 from colliding with the movement structure of the watch core, avoiding structures for preventing the long handle part 2 from colliding with the movement structure of the watch core are arranged at the joint of the long handle part 2 and the connecting section 10 and at the middle end of the long handle part 2.

Example 2

The embodiment 2 of the present application discloses a setting return mechanism, which is shown in fig. 2 and includes a positioning tube 3 and the aforementioned spring setting piece for a mechanical watch movement.

The positioning tube 3 is provided with a clamping channel 30 along the axial direction thereof, and is fixedly arranged on the main clamping plate 4. The locking projections 13 on the left buckle 11 and the right buckle 12 of the spring pulling sheet pass through the locking channel 30 and are connected with the locking channel 30 in a locking way. The length direction of the spring plectrum is perpendicular to the axial direction of the positioning tube 3, the positioning tube 3 is hollow cylindrical as a whole and is arranged at the fixed position of the main clamping plate 4, when the spring plectrum is installed, the clamping convex block 13 of the clamping part 1 of the spring plectrum is guided to be inserted into the clamping channel 30 of the positioning tube 3 through the inclined surface at the end part, and the clamping arc groove 14 of the clamping part 1 is embedded with the clamping groove 31 arranged on the side wall of the port of the positioning tube 3. The structure can play a role in quickly and stably installing the spliced setting wheel resetting mechanism.

Example 3:

a mechanical watch core comprises a main clamping plate, a hand setting wheel, a quick setting wheel, a setting pulley and the hand setting wheel resetting mechanism. Such structure sets up the advantage of synthesizing disconnect-type thumb wheel canceling release mechanical system and pole spring integral type thumb wheel canceling release spring, has both increased the commonality and the suitability of part for the watch core of different models can all be suitable for this kind of spring plectrum or registration arm 3, thereby reduces the manufacturing cost of mechanical watch core, has solved the unable high-efficient problem of connecting of traditional thumb wheel canceling release mechanical system again.

The working principle is as follows:

when the handle shaft of the mechanical watch is rotated, the handle shaft drives the quick dial wheel to rotate so as to drive the dial wheel to rotate, and because the dial wheel is often installed in a special-shaped groove, the shift tendency can often occur in the rotating process, the one end positioning tube 3 of the dial wheel reset mechanism which is clamped and connected into a whole is fixed on the main clamping plate, and a reaction force can be applied to the elastic free end on the dial wheel shaft so as to drive the dial wheel to reset.

Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. A spring plectrum for a mechanical watch movement is characterized by comprising a clamping part (1) and a long handle part (2) which are integrally formed;

the clamping part (1) is integrally arranged in a pi shape and comprises a connecting section (10), a left clamp (11) and a right clamp (12), and clamping convex blocks (13) used for clamping and connecting the positioning pipes (3) are arranged at the end parts of the left clamp (11) and the right clamp (12);

one end of the long handle part (2) close to the buckling part (1) is integrally connected with the connecting section (10), and one end of the long handle part far away from the buckling part (1) is an elastic free end and is used for pushing the pin wheel.

2. The mechanical movement of claim 1, wherein the locking projections (13) are located on the sides of the left catch (11) and the right catch (12) facing away from each other.

3. The mechanical watch movement spring striking plate of claim 2, characterized in that the side of the locking lug (13) far away from the left buckle (11) and the right buckle (12) is provided with an inclined surface for facilitating the locking of the left buckle (11) and the right buckle (12) into the positioning tube (3).

4. A mechanical movement spring finger according to claim 3, characterised in that the angle of inclination of the inclined face is 45 ° to 80 °.

5. The mechanical watch movement spring shifting piece of claim 1, characterized in that the joint of the left buckle (11) and the right buckle (12) with the connecting section (10) is provided with a clamping arc groove (14), and the two clamping arc grooves (14) are respectively positioned on the side of the left buckle (11) opposite to the side of the right buckle (12);

the contour shape of the clamping circular arc groove (14) is matched with the shape contour of the port of the positioning pipe (3).

6. A mechanical watch movement spring finger according to claim 1, characterised in that an escape structure is provided in the long shank (2) for preventing the long shank (2) from colliding with a movement of the watch movement.

7. A setting wheel resetting mechanism, characterized in that, it comprises a positioning tube (3) and a spring setting piece for a mechanical watch movement as claimed in any one of claims 1-6;

the positioning pipe (3) is provided with a clamping channel (30) in a penetrating way along the axial direction and is fixedly arranged on the main clamping plate;

the clamping convex blocks (13) on the left buckle (11) and the right buckle (12) of the spring shifting piece penetrate through the clamping channel (30) and are connected with the clamping channel (30) in a clamping mode.

8. The setting wheel resetting mechanism according to claim 7, characterized in that the side wall of the port of the positioning tube (3) is provided with a locking groove (31) along the axial direction, and the shape and size of the locking groove are matched with the thickness of the spring setting piece.

9. The setting wheel reset mechanism according to claim 7, characterized in that the length direction of the spring plectrum is perpendicular to the axial direction of the positioning tube (3).

10. A mechanical watch movement comprising a setting wheel reset mechanism according to any one of claims 7 to 9.