CN216526756U

CN216526756U - Reversing wheel of escapement structure

Info

Publication number: CN216526756U
Application number: CN202123315451.9U
Authority: CN
Inventors: 肖梅
Original assignee: Shenyang Juntu Information Technology Co ltd
Current assignee: Shenyang Juntu Information Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-13
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a reversing wheel of an escapement structure, which relates to the technical field of automatic winding of watches, and aims to solve the problem of poor running stability of a super-clutch reversing mechanism; the reversing wheel piece is provided with two reversing claws, each reversing claw is provided with a convex column, the two reversing claws are respectively connected with the through holes through the convex columns, and two ends of each reversing claw are in a shape of a hook tooth; the reversing wheel shaft is further connected with a non-return ratchet wheel through a reversing gear shaft, and the non-return ratchet wheel is matched with the reversing claw.

Description

Reversing wheel of escapement structure

Technical Field

The utility model relates to the technical field of automatic winding of watches, in particular to a reversing wheel of an escapement structure.

Background

The automatic mechanical watch realizes that the watch power comes from self-supply power, wherein the key is that an automatic winding mechanism is arranged, and in order to realize the winding function, people utilize the conversion of potential energy, adopt an automatic watch pendulum mechanism, and a reversing mechanism is arranged between the pendulum mechanism and a prime power system, so that the unidirectional and bidirectional reciprocating motion of the pendulum is ensured, and the pendulum mechanism can be converted into the unidirectional winding power of a clockwork spring in the prime power system.

At present, a reversing mechanism generally adopts a super-clutch type reversing mechanism, and a reversing wheel of an automatic winding part of a mechanical watch has various structures, but the process is not guaranteed well, and the stability is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, namely the problem of poor running stability of the overrunning clutch type reversing mechanism, the utility model provides a reversing wheel with an escapement structure, which comprises a reversing wheel shaft, wherein a reversing wheel sheet is connected to the reversing wheel shaft, and two through holes are formed in the reversing wheel sheet; the reversing wheel piece is provided with two reversing claws, the reversing claws are provided with convex columns, the two reversing claws are respectively connected with the through holes through the convex columns, and one end of each reversing claw is in a shape of a hook tooth; the reversing wheel shaft is further connected with a non-return ratchet wheel through a reversing gear shaft, and the non-return ratchet wheel is matched with the reversing claw.

By adopting the technical scheme, the reversing claws can rotate along with the reversing wheel sheet under the driving of the convex columns, when the reversing wheel sheet receives the motion from the prime system, the two reversing claws can swing along with the reversing claw sheet, hook teeth on the reversing claws can be matched and locked with the non-return ratchet wheel during swinging, the non-return ratchet wheel can be driven to rotate together, and then the torque is transmitted to the upper ratchet wheel through the reversing gear shaft, so that the purpose of winding is achieved. The structure of the escape type reversing wheel is adopted to replace a super clutch type reversing mechanism, so that the running of the mechanism can be more stable.

The utility model is further provided with: the surface of one side of the reversing wheel piece is inwards sunken, the reversing claw is arranged in the reversing wheel piece, a groove is formed in the side wall of the sunken part of the reversing wheel piece, a reversing wheel pressing piece is arranged in the groove, and the reversing wheel pressing piece is tightly attached to the reversing claw.

Through adopting above-mentioned technical scheme, with the switching-over claw setting in the sunken of switching-over wheel piece, reuse switching-over wheel clamp plate tightly covers, can carry on spacingly to the switching-over claw like this, further fix the switching-over claw, make the switching-over claw only swing round the projection, and then guarantee that the rotation of switching-over claw can be more reliable and more stable.

The utility model is further provided with: the non-return ratchet wheel is arranged in the recess of the reversing wheel piece.

By adopting the technical scheme, the overall structure of the reversing wheel of the escapement structure is more compact, so that the thickness of the movement is not increased, the movement adopting the utility model can still keep the original thickness, and the attractiveness of the watch is not influenced.

Through adopting above-mentioned technical scheme, further reduce the thickness of reverse wheel, make the reverse wheel structure can not cause the influence to the thickness of wrist-watch, increase the aesthetic property of wrist-watch.

The utility model is further provided with: the two reversing claws are arranged in opposite directions, and the hook teeth face the reversing wheel shaft.

By adopting the technical scheme, when the reversing wheel piece rotates in two directions, the two reversing claws arranged in opposite directions can also meet the function of continuously transmitting the torque to the winding ratchet wheel.

The beneficial technical effects of the utility model are as follows:

1. the structure of the escape type reversing wheel is adopted to replace a super clutch type reversing mechanism, so that the operation of the mechanism can be more stable, and the escape type reversing wheel is simple in structure and convenient to install and maintain.

2. The reversing claw and the non-return ratchet wheel are both arranged in the recess of the reversing wheel piece, so that the thickness of the movement cannot be increased, and the attractiveness of the watch cannot be influenced.

Drawings

Fig. 1 shows a schematic structural diagram of the present invention.

Fig. 2 shows a state diagram when the present invention is rotated clockwise.

Fig. 3 shows a state diagram when the present invention is rotated counterclockwise.

Reference numerals: 1. a reversing wheel shaft; 11. a shaft shoulder; 2. a reversing wheel sheet; 3. a through hole; 4. a reversing claw; 5. a convex column; 6. a non-return ratchet wheel; 7. and (6) pressing the reversing wheel.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

The utility model provides a reversing wheel with an escape structure, which comprises a reversing wheel shaft 1, wherein a shaft shoulder 11 is arranged on the reversing wheel shaft 1, a reversing wheel piece 2 is fixedly connected to the shaft shoulder 11, two through holes 3 are formed in the reversing wheel piece 2, the two through holes 3 are arranged at equal angles according to the axis of the reversing wheel shaft 1, and an included angle of 173 degrees is formed between the two through holes 3 and the axis. The reversing wheel piece 2 is further provided with two reversing claws 4, the reversing claws 4 are integrally provided with convex columns 5, the convex columns 5 on the reversing claws 4 extend into the through holes 3, the two reversing claws 4 are respectively in rotary connection with the through holes 3 through the convex columns 5, so that the reversing claws 4 can swing along with the rotation of the reversing wheel piece 2, and one end of each reversing claw 4 is in a hook tooth shape. The reversing wheel shaft 1 is sleeved with a non-return ratchet 6 through a reversing gear shaft, and the non-return ratchet 6 can be meshed with the hook teeth of the reversing claw 4 in the axial direction.

The reversing claw 4 can swing along with the rotation of the reversing wheel piece 2, hook teeth can be matched and locked with the non-return ratchet wheel 6 when the reversing claw 4 swings, the non-return ratchet wheel 6 can be driven to rotate at the moment, and then torque is transmitted to the winding ratchet wheel through the reversing gear shaft, so that the winding purpose is achieved.

The two side surfaces of the reversing wheel piece 2 are different in diameter, one side surface of the reversing wheel piece 2 with the large diameter is arranged to be inwards sunken, the reversing claw 4 and the non-return ratchet wheel 6 are arranged in the sunken part of the reversing wheel piece 2, a groove is formed in the side wall of the sunken part of the reversing wheel piece 2, the reversing wheel pressing piece 7 is connected in the groove in a clamping mode, the reversing wheel pressing piece 7 is arranged to be close to the reversing claw 4, and the reversing wheel pressing piece 7 can limit the movement of the reversing claw 4 in the direction of the convex column 5.

The reversing claw 4 and the non-return ratchet 6 are arranged in the recess of the reversing wheel piece 2, so that the thickness of the movement is not changed, and the attractiveness of the watch is not affected.

An included angle of 173 degrees is formed between the two through holes 3 and the axis, so that the two reversing claws 4 can be respectively matched with the non-return ratchet 6 when swinging, the condition that the two reversing claws 4 are simultaneously contacted with the non-return ratchet 6 cannot occur, and the non-return ratchet 6 can run more stably.

The hook teeth of the two reversing claws 4 are arranged towards the non-return ratchet wheel 6, and the two reversing claws 4 are reversely arranged, so that when the reversing wheel piece 2 rotates in two directions, the two reversing claws 4 arranged in reverse can also meet the function of continuously transmitting the torque to the winding ratchet wheel.

In conclusion, the escape mechanism is formed by arranging the reversing pawl 4 and the non-return ratchet 6, and the escape type reversing wheel is adopted to replace the super clutch type reversing mechanism, so that the operation of the mechanism can be more stable, and the escape type reversing wheel is simple in structure and convenient to install and maintain. The reversing claw 4 and the non-return ratchet wheel 6 are arranged in the recess of the reversing wheel piece 2, so that the thickness of the movement is not changed, and the attractiveness of the watch is not affected by changing the mechanism.

While the utility model has been described with reference to a preferred embodiment, various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and particularly, features shown in the various embodiments may be combined in any suitable manner without departing from the scope of the utility model. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.

Claims

1. A reverser wheel for an escapement, characterized in that: the wheel type steering mechanism comprises a steering wheel shaft (1), wherein a steering wheel piece (2) is connected to the steering wheel shaft (1), and two through holes (3) are formed in the steering wheel piece (2); two reversing claws (4) are arranged on the reversing wheel piece (2), convex columns (5) are arranged on the reversing claws (4), the two reversing claws (4) are respectively connected with the through holes (3) through the convex columns (5), and one ends of the reversing claws (4) are in a shape of a hook tooth; the reversing wheel shaft (1) is further connected with a non-return ratchet wheel (6) through a reversing gear shaft, and the non-return ratchet wheel (6) is matched with the reversing claw (4).

2. The reverser wheel of an escapement structure according to claim 1, wherein: the surface of one side of the reversing wheel piece (2) is inwards sunken, the reversing claw (4) is arranged in the reversing wheel piece (2) is sunken, a groove is formed in the side wall of the sunken part of the reversing wheel piece (2), a reversing wheel pressing piece (7) is arranged in the groove, and the reversing wheel pressing piece (7) is tightly attached to the reversing claw (4).

3. The reverser wheel of an escapement structure according to claim 2, wherein: the non-return ratchet wheel (6) is arranged in the recess of the reversing wheel piece (2).

4. The reverser wheel of an escapement structure according to claim 2, wherein: the non-return ratchet wheel (6) is arranged in the recess of the reversing wheel piece (2).

5. The reverser wheel of an escapement structure according to claim 1, wherein: the two reversing claws (4) are arranged in opposite directions, and the hook teeth face the reversing wheel shaft (1).