Second shaft reversing wheel shaft structure for mechanical watch movement

Abstract

The utility model relates to the technical field of mechanical watches, and discloses a second shaft reversing wheel shaft structure for a mechanical watch movement, which comprises a reversing shaft lever, and the bottom of the reversing shaft lever is rotatably connected with a buffer mechanism. According to the second shaft reversing wheel shaft structure for the mechanical watch movement, due to the arrangement of the buffer mechanism, when the second shaft reversing wheel shaft structure rotates, abrasion exists between the base and the reversing shaft rod, and the connecting position is loosened due to accumulation of times, so that the abrasion caused by rotation is reduced by installing a miniature ball bearing at the connecting position; the surface of the reversing shaft rod is coated with the graphene coating, a protective film can be formed, efficient lubrication can be kept even in an extreme environment, direct contact of the metal surface is prevented, meanwhile, graphene has good chemical stability and can resist erosion of various environmental factors, the durability of a mechanical structure is prolonged, and the service life of the reversing shaft rod is prolonged. Therefore, the effect of prolonging the service life of the equipment is achieved, and the situation that the time accuracy is affected due to looseness of the connecting position caused by abrasion is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical watch technical field especially, it is a kind of second shaft reversing wheel axle structure for mechanical watch movement. BACKGROUND

[0002] The reversing, non-reversing structure is often used in the watch movement, which is used to realize the reversing in the watch transmission structure, and ensure the reliability of the performance such as the time accuracy of the watch. Especially, the automatic watch in the watch is driven by the circumferential movement of the automatic hammer to move the reversing wheel assembly, thereby realizing the energy storage of the watch and ensuring the normal operation of the watch. The key part of the automatic watch is the reversing wheel assembly, and the working reliability of the stop pawl and the reversing wheel in the reversing wheel assembly is more critical.

[0003] However, during the use of the mechanical watch, the reversing shaft rod used has a supporting function, which is used to rotate the reversing wheel and gear to drive the second hand pointer to rotate. The current reversing wheel and gear are generally installed on the reversing shaft rod, and the reversing shaft rod is driven to rotate by the power system on the bottom base of the reversing shaft rod. During the normal operation of the watch, the reversing wheel needs to be continuously operated. After long-term use, the reversing shaft rod and the base will be worn, causing the reversing wheel and the gear to loosen, resulting in poor transmission effect, affecting the rotation of the second hand, and further affecting the accuracy of time. CONTENT OF THE UTILITY MODEL

[0004] (I) Technical problem solved

[0005] The utility model aims at providing a kind of second shaft reversing wheel axle structure for mechanical watch movement, to solve the problem that the reversing wheel needs to be continuously operated during the normal operation of the watch in the above background technology, which will cause the reversing shaft rod and the base to be worn after long-term use, causing the reversing wheel and the gear to loosen, resulting in poor transmission effect, affecting the rotation of the second hand, and further affecting the accuracy of time.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of second shaft reversing wheel axle structure for mechanical watch movement, including reversing shaft rod, the bottom of the reversing shaft rod is rotatably connected with buffer mechanism, the surface of the buffer mechanism is fixedly connected with connecting sleeve, the surface of the connecting sleeve is fixedly connected with reversing gear, the surface of the reversing gear is equipped with a plurality of limit slots, the inside of the limit slot is installed with magnetic attraction auxiliary positioning mechanism, the buffer mechanism includes the micro ball bearing rotatably connected in the bottom of reversing shaft rod, the surface of the reversing shaft rod is coated with graphene coating;

[0008] The magnetic attraction auxiliary positioning mechanism comprises two silica gel clamping blocks mounted in the limiting grooves, and a micro permanent magnet is inserted into each silica gel clamping block.

[0009] As a further scheme of the present application, the lower surface of the connecting sleeve is fixedly connected with a running gear, and the running gear is lapped on the bottom of the reversing gear.

[0010] As a further scheme of the present application, the outer surface of the micro ball bearing is fixedly connected with a base, and a plurality of positioning holes are formed in the surface of the base.

[0011] As a further scheme of the present application, the bottom of the base is fixedly connected with a motor box, and the motor box is fixedly connected with a power mechanism inside.

[0012] As a further scheme of the present application, the power mechanism comprises a driving motor fixedly connected inside the motor box, and a transmission rod is spline-connected to the output end of the driving motor.

[0013] As a further scheme of the present application, the reversing shaft rod penetrates into the base, and the end of the reversing shaft rod is fixedly connected to the top of the transmission rod.

[0014] As a further scheme of the present application, the bottom of the motor box is fixedly connected with a connecting piece, and a plurality of positioning holes are formed in the surface of the connecting piece.

[0015] (Three) beneficial effects

[0016] The present application provides a kind of second shaft reversing wheel axle structure for mechanical watch movement, with the following beneficial effects:

[0017] 1, the second shaft reversing wheel axle structure for mechanical watch movement, by the setting of buffer mechanism, when rotating, there is abrasion between base and reversing shaft rod, and the accumulated wear and tear of day will cause the loosening of connecting portion, therefore, micro ball bearing is installed in connecting portion to reduce abrasion caused by rotation, and graphite coating is coated on the surface of reversing shaft rod, which can form a protective film, even in extreme environment also maintain high efficient lubrication, prevent metal surface direct contact, at the same time, graphite has good chemical stability, can resist a variety of environmental factors erosion, prolong the durability of mechanical structure, so as to achieve the effect of prolonging the service life of equipment, avoid loosening of connecting portion caused by abrasion, and then affect the accuracy of time.

[0018] 2. The mechanical watch movement uses the second shaft reversing wheel shaft structure, through the setting of the magnetic attraction auxiliary positioning mechanism, when in use, the surface of the reversing gear is provided with a plurality of micro permanent magnets, the micro permanent magnets are installed in an embedded way by cooperating with the silica gel clamping block, the micro permanent magnets can generate slight attraction or repulsion force at the moment of reversing gear switching, help the reversing gear to quickly and accurately position, reduce idling, improve efficiency, reduce energy waste, and ensure the smooth and consistency of the mechanical system. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a whole structure schematic view of the utility model;

[0020] Fig. 2 It is a magnetic attraction auxiliary positioning mechanism structure schematic view of the utility model;

[0021] Fig. 3 It is a buffer mechanism structure schematic view of the utility model;

[0022] Fig. 4 It is a power mechanism structure schematic view of the utility model.

[0023] In the figure: 1, reversing shaft rod;2, buffer mechanism;201, micro ball bearing;202, graphene coating;3, connecting sleeve;4, reversing gear;5, magnetic attraction auxiliary positioning mechanism;501, silica gel clamping block;502, micro permanent magnet;6, running gear;7, motor box;8, power mechanism;801, driving motor;802, transmission rod;9, connecting piece;10, base. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figs. 1 to 4The utility model provides a technical scheme: A kind of second shaft reversing wheel axle structure for mechanical watch movement, including reversing axle rod 1, the bottom of reversing axle rod 1 is rotatably connected with buffer mechanism 2, by the setting of buffer mechanism 2, to reach the effect of prolonging equipment service life, avoid loosening due to abrasion, further influence the accuracy of time, the surface of buffer mechanism 2 is fixedly connected with connecting sleeve 3, the surface of connecting sleeve 3 is fixedly connected with reversing gear 4, reversing gear 4 is equipped with a plurality of limit grooves on the surface, magnetic attraction auxiliary positioning mechanism 5 is installed in the inside of limit groove, by the setting of magnetic attraction auxiliary positioning mechanism 5, reduce idling, improve efficiency, reduce energy waste, ensure that mechanical system is stable and consistency of operation, buffer mechanism 2 includes the micro ball bearing 201 of rotationally connecting in the bottom of reversing axle rod 1, the surface of reversing axle rod 1 is coated with graphene coating 202;Magnetic attraction auxiliary positioning mechanism 5 includes two silica gel clamping blocks 501 installed in the inside of limit groove, micro permanent magnet 502 is inserted into the inside of silica gel clamping block 501;

[0026] The lower surface of connecting sleeve 3 is fixedly connected with running gear 6, running gear 6 is lapped on the bottom of reversing gear 4, by the setting of connecting sleeve 3, play the role of supporting running gear 6 and reversing gear 4;

[0027] The outer surface of micro ball bearing 201 is fixedly connected with base 10, a plurality of positioning holes are formed on the surface of base 10, by the setting of positioning hole, play the role of connecting base 10;

[0028] The bottom of base 10 is fixedly connected with motor box 7, power mechanism 8 is fixedly connected in the inside of motor box 7, by the setting of power mechanism 8, play the role of driving reversing axle rod 1 to rotate;

[0029] Power mechanism 8 includes drive motor 801 fixedly connected in the inside of motor box 7, transmission rod 802 is spline-connected to the output end of drive motor 801, by the setting of drive motor 801, play the role of driving transmission rod 802 to rotate;

[0030] Reversing axle rod 1 penetrates in the inside of base 10, the top of transmission rod 802 is fixedly connected to the end of reversing axle rod 1, by the setting of reversing axle rod 1, play the role of supporting connecting sleeve 3;

[0031] The bottom of motor box 7 is fixedly connected with connecting piece 9, a plurality of positioning holes are formed on the surface of connecting piece 9, by the setting of connecting piece 9, play the role of fixing motor box 7.

[0032] In the utility model, the working steps of the device are as follows:

[0033] The first step: when rotating, there is wear between the base 10 and the reversing shaft 1, and the connection will loosen after accumulating for a long time, therefore, a micro ball bearing 201 is installed at the connection to reduce the wear caused by rotation, and a graphene coating 202 is coated on the surface of the reversing shaft 1, so as to form a protective film, which can keep high efficient lubrication even in extreme environment, prevent direct contact of metal surfaces, meanwhile, the graphene has good chemical stability and can resist erosion of various environmental factors, thereby prolonging the durability of the mechanical structure.

[0034] The second step: when in use, a plurality of micro permanent magnets 502 are installed on the surface of the reversing gear 4, the micro permanent magnets 502 are installed in an embedded manner by cooperating with the silica gel clamping block 501, the micro permanent magnets 502 can generate slight attractive or repulsive force at the switching moment of the reversing gear 4, and help the reversing gear 4 to be quickly and accurately determined.

[0035] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned principle of the utility model is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0036] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, and the structure and principle thereof can be known by the person skilled in the art through technical manual or through conventional experimental method.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A structure for the reversing shaft of a seconds wheel in a mechanical watch movement, comprising a reversing shaft stem (1), characterized in that: The bottom of the reversing shaft rod (1) is rotatably connected with a buffer mechanism (2), the surface of the buffer mechanism (2) is fixedly connected with a connecting sleeve (3), the surface of the connecting sleeve (3) is fixedly connected with a reversing gear (4), the surface of the reversing gear (4) is provided with a plurality of limiting grooves, and the inside of the limiting grooves is provided with a magnetic auxiliary positioning mechanism (5), The buffer mechanism (2) comprises a micro ball bearing (201) rotatably connected to the bottom of the reversing shaft rod (1), and the surface of the reversing shaft rod (1) is coated with a graphene coating (202). The magnetic auxiliary positioning mechanism (5) comprises two silica gel clamping blocks (501) mounted in the limiting grooves, and a micro permanent magnet (502) is inserted into the silica gel clamping blocks (501).

2. A structure for a seconds wheel bridge axle for a mechanical watch movement according to claim 1, characterized in that: The lower surface of the connecting sleeve (3) is fixedly connected with a running gear (6), and the running gear (6) is lapped on the bottom of the reversing gear (4).

3. A structure of a seconds wheel bridge axle for a mechanical watch movement according to claim 1, characterized in that: The outer surface of the micro ball bearing (201) is fixedly connected with a base (10), and the surface of the base (10) is provided with a plurality of positioning holes.

4. A structure for the reversing wheel shaft of a seconds shaft for a mechanical watch movement according to claim 3, characterized in that: The bottom of the base (10) is fixedly connected with a motor box (7), and the inside of the motor box (7) is fixedly connected with a power mechanism (8).

5. A structure for the reversing wheel shaft of a seconds shaft for a mechanical watch movement according to claim 4, characterized in that: The power mechanism (8) comprises a driving motor (801) fixedly connected to the inside of the motor box (7), and the output end of the driving motor (801) is spline-connected with a transmission rod (802).

6. A structure for a seconds wheel bridge axle for a mechanical watch movement according to claim 1, characterized in that: The reversing shaft rod (1) penetrates into the inside of the base (10), and the end of the reversing shaft rod (1) is fixedly connected to the top of the transmission rod (802).

7. A structure for the reversing wheel shaft of a seconds shaft for a mechanical watch movement according to claim 4, characterized in that: The bottom of the motor box (7) is fixedly connected with a connecting piece (9), and the surface of the connecting piece (9) is provided with a plurality of positioning holes.

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