CN210109570U

CN210109570U - Watch movement with gear box

Info

Publication number: CN210109570U
Application number: CN201920913892.2U
Authority: CN
Inventors: 卢升平
Original assignee: WUHAN SUNON ELECTRONIC CO Ltd
Current assignee: WUHAN SUNON ELECTRONIC CO Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-02-21
Anticipated expiration: 2029-06-17

Abstract

The utility model relates to a watch movement with gear box, watch movement includes the gear box, the gear box includes the main board, the main board includes assembly surface and dial face, the assembly surface has looks vertically X axle and Y axle, the gear box has left side wall and right side wall in the X axle direction, the left side wall of gear box protrudes to the left side and forms half square body structure, the right side wall middle part of gear box is to the protruding half cylinder body structure that forms in right side, half square body structure is used for holding the coil pack, half cylinder body structure is used for holding the second wheel subassembly. The utility model discloses make the configuration optimization compactness of cell-phone core reasonable, make the volume of wrist-watch littleer, easily manufacture.

Description

Watch movement with gear box

Technical Field

The present invention relates to electromechanical clocks and watches, and more particularly to an electromechanical clock and watch that is independent of other timepieces and is maintained in operation by an electric device.

Background

A conventional mechanical watch may be provided with a gear box to control the normal operation of the hour, minute and second hands, but when the time and other functions are increased, the volume, weight and material of the gear box are increased due to other elements which need to be correspondingly arranged to realize the functions, and how to arrange the gear box with smaller volume is still solved.

Especially when the watch with the timekeeping function is used in sports, the excessive volume and weight are difficult to satisfy the user's needs. In addition, because the watch movement inner space is less, set up the timing function after, the slight change of component position will influence transmission torque to influence transmission power, not only can influence the core and walk the time accuracy, also can increase watch movement volume, how to carry out the overall arrangement with the component in the core, thereby make the watch volume littleer and do not influence the accuracy of walking the time and need the problem of solving.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who asks for to solve is: how to arrange a watch movement which is small in size and accurate in timing.

The invention aims to provide a watch movement with small size.

The technical scheme of the utility model is that: the utility model provides a watch movement, watch movement includes the watch gear box, the accommodate device of each component in watch gear box for installing and fixed watch movement, the watch gear box includes the main splint, the main splint has assembly face and table quotation, assembly face and table quotation are the relative two faces of main splint respectively, be equipped with on the main splint and run through in the main splint centre bore of assembly face and table quotation, the assembly face has mutually perpendicular's X axle and Y axle, use the main splint centre bore as origin of coordinates (0, 0), X axle and Y axle intersect in the main splint centre bore perpendicularly, use the Y axle as border, the right side of Y axle is X axle positive direction, the left side of Y axle is X axle negative direction, use the X axle as border, the top of X axle is the positive direction of Y axle, the below of X axle is the negative direction of Y axle. The coordinate position is represented by (X-axis direction, Y-axis direction), "-" represents the X-axis or Y-axis negative direction. The gear box is provided with a left side wall and a right side wall in the X-axis direction, the left side wall of the watch gear box protrudes to the left side to form a half-square body structure, the middle part of the right side wall of the watch gear box protrudes to the right side to form a half-cylinder body structure, the half-square body structure is used for accommodating a coil assembly, and the half-cylinder body structure is used for accommodating a second wheel assembly. Preferably, two ends of the assembly surface in the Y-axis direction are a first end surface and a second end surface which are symmetrical along the X-axis, the first end surface and the second end surface are both provided with fixing pieces, and the fixing pieces are used for fixing the first end surface and the second end surface. The both sides wall body of gear box Y axle direction has radius angle structure and semicylinder structure, first terminal surface is equipped with position nail pipe, position nail pipe is established in one side of mounting, and the second hand wiring board passes through the mounting to be fixed on the main splint, sets up position nail pipe again and helps the second hand wiring board to supply power more stably for coil pack, establishes the position nail pipe at first terminal surface simultaneously and is convenient for install. The diameter of the nail position tube is 0.6 mm. The nail tube can be internally provided with a screw for fixation. The structure can practice thrift the space more than setting up, avoids making watch movement bulky because installation coil pack and second hand wiring board.

Preferably, a hand installing shaft is arranged in the central hole of the main clamping plate, a second hand is arranged on the dial face, one end of the second hand is fixed on the axis of the central hole of the main clamping plate through the hand installing shaft, and the second wheel assembly is connected with the second hand.

Preferably, the length of the needle installing shaft is 0.6 mm-1 mm. Further, the length of the needle installing shaft is 0.73 mm.

Preferably, the diameter of the needle installing shaft is 0.1 mm-0.4 mm. Furthermore, the diameter of the needle installing shaft is 0.185-0.195 mm.

Preferably, the tack tube is used for positioning and fastening the second hand terminal block and the fitting surface. The diameter of the nail positioning tube is 0.4 mm-0.9 mm. Still further, the diameter of the nail position pipe is 0.6 mm. The size and assembly of the movement can be influenced by the fact that the diameter of the nail positioning pipe is too large or too small.

Furthermore, the coordinates of the axis position of the rotor assembly are (-1.799 mm, 1.619 mm), the coordinates of the axis position of the driving wheel are (-1.951 mm, -0.185 mm), and the coordinates of the axis position of the nail tube are (-1 mm, 4.5 mm). The coordinate layout of the inner parts of the movement is reasonable, the space can be saved, and the watch parts can be conveniently installed. Too big then can increase the volume of wrist-watch and extravagant material of rotor subassembly, drive wheel and main splint centre bore, apart from the undersize increase installation cost. In the layout of the coordinate, the transmission torque is large, the transmission is uniform, and the volume of the watch gear box is smaller, so that the space utilization rate in the watch movement is higher, and the time is saved.

Preferably, the maximum vertical distance between the two ends of the watch gear box in the X-axis direction is 8.9 mm, and the maximum vertical distance between the two ends of the watch gear box in the Y-axis direction is 12.5 mm. The thickness of the watch gear box is 2.95 millimeters, and the thickness is the maximum vertical distance between the second wheel and the dial face. The watch gear box is realized with minimum volume to accommodate watch parts.

Preferably, the working temperature of the watch movement is-5 to 55 ℃, and the working voltage is 1.3 to 1.8V.

Preferably, the assembling surface is provided with a second wheel assembly and a driving wheel, the driving wheel is arranged between the main clamping plate and the second wheel assembly, the assembling surface is provided with a stepping motor, the stepping motor is used for driving the driving wheel to rotate, and the driving wheel drives the second wheel assembly to rotate. Still further, the stepping motor comprises a coil assembly, a stator piece and a rotor assembly which are connected in sequence. The stator piece is arranged in the middle of the assembling face, one end of the stator piece is arranged on the second end face, and the other end of the stator piece is arranged adjacent to the second hand wiring board. The coil assembly is installed on the left side of the assembling surface, and the rotor assembly is arranged on the stator sheet. This type of connection is more space efficient.

Preferably, a second hand terminal board is arranged on the assembling surface and used for transmitting current signals. The current signal is connected to the second hand wiring board by external equipment, after the second hand wiring board receives the electric signal, the current signal flows into the coil assembly, the coil assembly generates a magnetic field after being electrified, two ends of the coil assembly are tightly connected with the stator piece, the magnetic field is transferred to the stator piece, the stator piece generates the magnetic field, and the rotor assembly rotates intermittently under the action of the magnetic force because the rotor assembly is a permanent magnet. The intermittently rotating rotor assembly drives the driving wheel to rotate, and the driving wheel drives the second wheel assembly to rotate, so that the timing function of the second hand is realized. The second hand rotates each time an electrical signal is present. The second hand timing device has the advantages that the second hand timing is provided, elements are reduced, the size of the watch movement is reduced through reasonable layout, the transmission torque is increased, the transmission is uniform, the transmission force is strong, and the second hand timing device is more suitable for scenes only needing to count seconds. Further, the second hand terminal plate is provided at the first end face of the main plate.

Preferably, the second hand terminal plate is connected to a stepping motor. The second hand wiring board is electrically connected with the coil assembly, the coil assembly comprises a thread end, and the thread end is welded on the second hand wiring board.

Preferably, the rotor assembly comprises a rotor wheel piece, a rotor wheel shaft and rotor wheel shaft teeth, the rotor wheel piece and the rotor wheel shaft teeth are sleeved on the rotor wheel shaft, the driving wheel comprises a driving wheel piece, a driving wheel shaft and driving wheel shaft teeth, the driving wheel piece and the driving wheel shaft teeth are sleeved on the driving wheel shaft, the second wheel assembly comprises a second wheel piece, a second wheel shaft and second wheel shaft teeth, and the second wheel piece and the second wheel shaft teeth are sleeved on the second wheel shaft. The rotor wheel shaft tooth is meshed with the driving wheel piece, and the driving wheel shaft tooth is meshed with the second wheel piece. The rotor assembly drives the driving wheel to rotate, and the driving wheel drives the second wheel assembly to rotate. The driving wheel, the rotor assembly and the stator piece are sequentially arranged between the assembly face and the plane of the second wheel piece.

The current signal is connected to the second hand terminal board by external equipment, the current signal flows into the coil assembly, the stator piece and the rotor assembly, and the rotor assembly intermittently rotates under the action of magnetic force. The intermittently rotating rotor assembly drives the driving wheel to rotate, and the driving wheel drives the second wheel assembly to rotate, so that the timing function of the second hand is realized.

Compared with the prior art, the beneficial effects of the utility model are that: through reasonable layout of the stepping motor and the second hand wiring board on the main clamping plate and reasonable installation of all parts in the mobile phone movement, the mobile phone movement is more reasonable in layout, simple in structure, convenient to install, small in size and easy to produce and manufacture.

Drawings

Fig. 1 is a schematic structural view of the layout of the main board assembly surface of the present invention.

Fig. 2 is a schematic structural diagram of the assembly surface of the present invention.

Fig. 3 is a schematic view of the dial face of the watch gear box of the present invention.

Fig. 4 is a cross-sectional view of the watch gear case according to the present invention.

Description of reference numerals:

a watch gear case 1; a left side wall 12; a right side wall 13;

a main plate 2; a fitting surface 21; a first end face 211; a second end face 212; a dial face 22; a main plate center hole 23;

a coil block 31; the stator pieces 32; a rotor assembly 33; rotor disk 331; a rotor hub 332; rotor shaft teeth 333;

a second hand terminal plate 4; a transmission wheel 5; a driving wheel piece 51; a transfer axle 52; the transfer gear shaft teeth 53; a second wheel assembly 6; a second wheel piece 61;

a needle mounting shaft 7; a second hand 8; a nail positioning tube 9 and a fixing piece 91.

Detailed Description

The present invention will be further described with reference to the following embodiments.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "X-axis direction", "Y-axis direction", "left", "right", "top", "bottom", "inner", "outer", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplification of the present invention, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limiting the present patent.

Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.

Example 1

Fig. 1 is a schematic structural view of a layout of an assembly surface 21 of a main board 2 according to the present invention, and fig. 2 is a schematic structural view of the assembly surface 21. Fig. 3 is a schematic view of the dial face 22 of the watch gear box, and fig. 4 is a cross-sectional view of the watch gear box.

As shown in fig. 1, this embodiment provides a watch movement, watch movement includes watch gear box 1, watch gear box 1 includes main plate 2, main plate 2 includes assembly surface 21 and dial plate face 22, be equipped with on main plate 2 and run through in assembly surface 21 and dial plate face 22's main plate centre bore 23, assembly surface 21 has mutually perpendicular's X axle and Y axle, use main plate centre bore 23 as origin of coordinates (0, 0), X axle and Y axle intersect perpendicularly in the main plate centre bore, use the Y axle as the border, the right side of Y axle is the X axle positive direction, the left side of Y axle is the X axle negative direction, use the X axle as the border, the top of X axle is the positive direction of Y axle, the below of X axle is the negative direction of Y axle. The left side wall 12 and the right side wall 13 of the watch gear box 1 are located in the X-axis direction, the left side wall 12 of the watch gear box 1 protrudes to the left side to form a half-square structure, the middle part of the right side wall 13 of the watch gear box 1 protrudes to the right side to form a half-cylinder structure, the half-square structure is used for accommodating the coil assembly 31, and the half-cylinder structure is used for accommodating the second wheel assembly 6. The wall bodies on two sides of the watch gear box in the Y-axis direction are provided with a fillet structure and a semi-cylinder structure. The first end surface 211 and the second end surface 212 in the Y-axis direction are both provided with a fixing piece 91, and the fixing piece 91 is used for fixing the first end surface 211 and the second end surface 212. The both sides wall body of the Y axle direction of wrist-watch gear box 1 has radius angle structure and semicylinder structure, first terminal surface 211 is equipped with position nail pipe 9, position nail pipe 9 is established in one side of mounting 91, and second hand wiring board 4 passes through mounting 91 to be fixed on main splint 2, sets up position nail pipe 9 again and helps second hand wiring board 4 to supply power more stably for coil pack 31, establishes position nail pipe 9 at first terminal surface 211 simultaneously and is convenient for the installation. The space can be practiced thrift to the structure more than setting up, avoids making watch movement bulky because installation coil subassembly 31 and second hand wiring board 4.

As shown in fig. 1, 3 and 4, a hand mounting shaft 7 is provided in a main plate center hole 23, a second hand 8 is provided on a dial face 22, one end of the second hand 8 is fixed to the axis of the main plate center hole 23 via the hand mounting shaft 7, and a second wheel assembly 6 is connected to the second hand 8.

As shown in FIG. 4, the length of needle shaft 7 is 0.73 mm, and the diameter of needle shaft 7 is 0.189 mm. Too long a hand-mounting shaft will increase the thickness of the watch core, and too short a hand-mounting shaft will be detrimental to the stability of the second hand, the hour hand and the minute hand.

As shown in fig. 1 and 2, the tack tube 9 has a diameter of 0.6 mm. The position nail tube 9 is internally provided with a screw for fixation.

As shown in fig. 1, the coordinates of the main plate center hole 23 are (0, 0), and "-" indicates the negative direction of the X axis or the Y axis with the main plate center hole 23 as the origin of coordinates. The coordinate position is expressed as (X-axis direction, Y-axis direction).

The coordinates of the axis position of the rotor assembly 33 are (-1.799 mm, 1.619 mm), the coordinates of the axis position of the driving wheel 5 are (-1.951 mm, -0.185 mm), and the coordinates of the axis position of the nail tube 9 are (-1 mm, 4.5 mm). The determination of the relative positions of the above elements makes the watch gear box 1 smaller, saving most space and materials, and thus the watch movement smaller.

The maximum vertical distance between the two ends of the watch gear box 1 in the X-axis direction is 8.9 mm, and the maximum vertical distance between the two ends of the watch gear box 1 in the Y-axis direction is 12.5 mm. The thickness of the watch gear case 1 is 2.95 mm. A minimum volume of the watch gear box 1 is achieved to accommodate the watch components.

The working temperature of the watch movement is-5 ℃ to 55 ℃, and the working voltage is 1.3V to 1.8V.

Example 2

The present embodiment is similar to embodiment 1, and is different from embodiment 1 in that a second wheel assembly 6 and a driving wheel 5 are provided on the assembly surface, the second wheel assembly 6 is disposed with a center hole 23 of the main plate as a center, the driving wheel 5 is disposed between the main plate 2 and the second wheel assembly 6, a stepping motor is provided on the assembly surface 21, the stepping motor is used for driving the driving wheel 5 to rotate, and the driving wheel 5 drives the second wheel assembly 6 to rotate, thereby realizing timing.

A second hand terminal plate 4 is provided on the mounting surface 21, and the second hand terminal plate 4 is used for transmitting a current signal.

The mounting surface 21 has a first end surface 211 and a second end surface 212 which are symmetrical in the Y-axis direction, and the second hand terminal plate 4 is provided on the first end surface 211 of the main plate 2.

The stepping motor comprises a coil assembly 31, a stator piece 32 and a rotor assembly 33 which are connected in sequence, wherein two ends of the coil assembly 31 are tightly connected with the stator piece 32.

The stator piece 32 is provided at the center of the fitting surface 21, one end of the stator piece 32 is provided at the second end surface 212, and the other end of the stator piece 32 is provided adjacent to the second hand terminal plate 4.

The coil block 31 is mounted on the left side of the mounting surface 21, and the rotor block 33 is provided on the stator piece 32.

The second hand terminal plate 4 is connected to a stepping motor. The second hand terminal plate 4 is electrically connected to the coil block 31, and the coil block 31 includes a thread end welded to the second hand terminal plate 4.

The transmission wheel 5, the rotor assembly 33 and the stator piece 32 are arranged in sequence between the plane from the assembly face 21 to the second wheel piece 6.

The rotor assembly 33 comprises a rotor wheel piece 331, a rotor wheel shaft 332 and rotor wheel shaft teeth 333, the rotor wheel piece 331 and the rotor wheel shaft teeth 333 are sleeved on the rotor wheel shaft 332, the driving wheel 5 comprises a driving wheel piece 51, a driving wheel shaft 52 and driving wheel shaft teeth 53, the driving wheel piece 51 and the driving wheel shaft teeth 53 are sleeved on the driving wheel shaft 52, and the second wheel assembly 6 comprises a second wheel piece 61. The rotor shaft teeth 333 are engaged with the driving wheel piece 51, and the driving wheel shaft teeth 53 are engaged with the second wheel piece 61. The rotor assembly 33 drives the transmission wheel 5 to rotate, and the transmission wheel 5 drives the second wheel assembly 6 to rotate.

A current signal is inputted from an external device to the second hand terminal plate 4, and the current signal flows into the coil block 31, the stator piece 32 and the rotor block 33, and the rotor block 33 intermittently rotates by a magnetic force. The intermittently rotating rotor assembly 33 drives the driving wheel 5 to rotate, and the driving wheel 5 drives the second wheel assembly 6 to rotate, thereby realizing the timing function of the second hand 8. Other structures and operation principles of this embodiment are the same as those of embodiment 2.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a watch movement with gear box, watch movement includes the gear box, the gear box includes the main splint, the main splint includes assembly surface and dial face, is equipped with on the main splint to run through in the main splint centre bore of assembly surface and dial face, and the assembly surface has mutually perpendicular's X axle and Y axle, install coil pack and second wheel subassembly on the assembly surface, the gear box has left side wall and right side wall in the X axle direction, a serial communication port, the left side wall of gear box is protruding to the left side and is formed half square body structure, the right side wall middle part of gear box is protruding to the right side and is formed half cylinder body structure, half square body structure is used for holding coil pack, half cylinder body structure is used for holding the second wheel subassembly.

2. The watch movement provided with the gear box according to claim 1, wherein the X-axis and the Y-axis intersect perpendicularly at the center hole of the main plate with the center hole of the main plate as the origin of coordinates, both side walls of the gear box in the Y-axis direction have a rounded structure and a semicylindrical structure, the fitting surface has a first end surface and a second end surface symmetrical along the X-axis at both ends in the Y-axis direction, and the first end surface is provided with a dowel pipe.

3. A watch movement provided with a gearbox according to claim 2, characterised in that the diameter of the said dowel tube is between 0.4 mm and 0.9 mm.

4. A watch movement provided with a gearbox according to claim 3, characterised in that the diameter of the said dowel tube is 0.6 mm.

5. A watch movement provided with a gear box according to claim 1, characterised in that said centre hole of the plate is provided with a hand-setting shaft, said dial face is provided with a seconds hand, one end of said seconds hand is fixed on the axis of the centre hole of the plate by means of the hand-setting shaft, and said seconds wheel assembly is connected to the seconds hand.

6. A watch movement provided with a gearbox according to claim 5, characterised in that the length of the needle-loading spindle is between 0.6 mm and 1 mm.

7. A watch movement provided with a gearbox according to claim 1, characterised in that the centre hole of the plate has coordinates (0, 0), that the assembly surface is provided with a rotor assembly having coordinates of the axis of the rotor assembly (-1.5 mm to-1.9 mm, 1.4 mm to 1.9 mm), and that the axis of the transmission wheel has coordinates of (-1.7 mm to-2.2 mm, -0.16 mm to-0.22 mm).

8. A watch movement provided with a gearbox according to claim 7, characterised in that the coordinates of the position of the axis of the rotor assembly are (-1.799 mm, 1.619 mm) and the coordinates of the position of the axis of the driving wheel are (-1.951 mm, -0.185 mm).

9. A watch movement provided with a gearbox according to claim 1, characterised in that the maximum vertical distance between the two ends of the gearbox in the X-direction is 8.9 mm and the maximum vertical distance between the two ends of the gearbox in the Y-direction is 12.5 mm.

10. A watch movement provided with a gearbox according to claim 9, characterised in that the thickness of the gearbox is 2.95 mm.