CN210109569U

CN210109569U - Watch movement for minute hand and hour hand timing

Info

Publication number: CN210109569U
Application number: CN201920913880.XU
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

A watch movement for minute hand and hour hand timing comprises a main clamping plate, wherein a main clamping plate center hole is formed in the main clamping plate, the main clamping plate is provided with an assembly surface and a watch dial surface, the assembly surface is provided with a first stepping motor and a second stepping motor, the assembly surface is provided with a first time minute hand driving wheel, a minute hand driving wheel and a minute wheel assembly which are meshed in sequence, and the assembly surface is provided with a second time minute hand driving wheel and an hour hand driving wheel which are meshed with each other; the hour hand driving wheel comprises an hour hand driving wheel sheet, an hour hand driving wheel shaft and hour hand driving wheel shaft teeth, and the dial face is provided with an hour wheel meshed with the hour hand driving wheel shaft teeth. The utility model is used for minute hand and hour hand timing, the timing is accurate and small.

Description

Watch movement for minute hand and hour hand timing

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

The existing watch movement can use a stepping motor to control the timing of a second hand, a minute hand and an hour hand, and the watch movement is delayed, inaccurate in timing, slow in reaction, incapable of identifying time due to the fact that the watch movement flashes and the like. Users have different requirements on watch timing, some users only need second hand timing, and some users only need minute hand timing and hour hand timing. The watch movement is easy to damage when a second hand is used for long-time timing. In addition, satisfy simultaneously that second hand, minute hand and the multi-functional timing of hour hand can make original paper more in the core, exert an influence to the core overall arrangement of wrist-watch, influence the drive ratio, the quality reduction when walking, wrist-watch effective area utilization is low for wrist-watch volume grow, manufacturing process is comparatively complicated influences production efficiency simultaneously.

Aiming at different timing requirements of users, the system only needs to count points and seconds to adapt to the requirements of the clients, and simultaneously solves the problems of delay, inaccuracy in time and the like of the movement in a separate control mode; on the premise, how to reasonably arrange elements in the watch movement to prevent the watch movement from being overlarge is a problem which needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem that: how to control the timing of minute hand and hour hand respectively, establish the relative position relation between each component for the volume is littleer, and timing and the precision of walking time are high, are convenient for install.

The invention aims to provide a watch movement which is used for minute hand and hour hand timing, has small volume and accurate travel time and timing.

In order to solve the technical problem, the utility model discloses a technical scheme is: a watch movement for minute hand and hour hand timing comprises a main clamping plate, wherein a main clamping plate center hole is formed in the main clamping plate, the main clamping plate is provided with an assembly surface and a dial face, the assembly surface is provided with a first stepping motor and a second stepping motor, the assembly surface is provided with a first time minute hand driving wheel, a minute hand driving wheel and a minute wheel assembly which are meshed in sequence, and a second time minute hand driving wheel and an hour hand driving wheel which are meshed with each other, the first stepping motor comprises a first rotor assembly, and the first stepping motor is connected with the first time minute hand driving wheel; the second stepping motor comprises a second rotor assembly and is connected with a second time division hand driving wheel; the hour hand driving wheel comprises an hour hand driving wheel sheet, an hour hand driving wheel shaft and hour hand driving wheel shaft teeth, and the dial face is provided with an hour wheel meshed with the hour hand driving wheel shaft teeth. The first rotor assembly drives the first time minute hand driving wheel to rotate, the first time minute hand driving wheel drives the minute hand driving wheel to rotate, and the minute hand driving wheel drives the minute hand assembly to rotate, so that the minute hand timing is realized; the first stepping motor comprises a first rotor assembly, a first coil assembly and a first stator sheet; the current signal is accessed to the minute hand wiring board by external equipment, and after minute hand wiring board received the signal of telecommunication, the current signal flowed in first coil assembly again, and first coil assembly produced the magnetic field after the circular telegram, and the both ends of first coil assembly and first stator piece zonulae occludens transfer into magnetism on the first stator piece, and first stator piece produces the magnetic field, because first rotor piece is the permanent magnet, under the effect of magnetic force, first rotor piece makes intermittent type rotation. The first rotor assembly rotating intermittently drives the first time minute hand driving wheel to rotate, the minute hand driving wheel rotates, and the minute hand driving wheel drives the minute hand assembly to rotate, so that the minute hand pointer timing is realized. The minute hand rotates every time an electric signal appears. The second stepper motor includes a second rotor assembly, a second coil assembly, and a second stator piece. The current signal is accessed to the hour hand wiring board by external equipment, after the hour hand wiring board receives the electric signal, the current signal flows into the second coil component again, the second coil component generates a magnetic field after being electrified, the two ends of the second coil component are tightly connected with the second stator piece, the magnetic field is transferred to the second stator piece, the second stator piece generates a magnetic field, and the second rotor component rotates intermittently under the action of the magnetic force because the second rotor component is a permanent magnet. The second rotor assembly rotating intermittently drives the second time minute hand driving wheel to rotate, the second time minute hand driving wheel drives the hour hand driving wheel to rotate, and the hour hand driving wheel shaft teeth drive the hour wheel to rotate, so that the hour hand timing is realized. The hour hand rotates when an electric signal appears each time. Through the meshing between the control and each component respectively, promote the control precision, increase the drive ratio, also avoid the time spent inaccurate, solve the condition such as delay.

Preferably, one end of each of the first stator piece and the second stator piece is provided with a screw to be fixed with the main clamping plate.

The main splint centre bore runs through in assembly surface and table quotation, the assembly surface has mutually perpendicular's X axle and Y axle to the main splint centre bore is origin of coordinates (0, 0), and X axle and Y axle intersect in the main splint centre bore perpendicularly, uses the Y axle as the border, and the right side of Y axle is X axle positive direction, and the left side of Y axle is X axle negative direction, uses the X axle as the border, and the top of X axle is the positive direction of Y axle, and the below of X axle is the negative direction of Y axle.

Preferably, the assembly surface is equipped with minute hand wiring board and hour hand wiring board, first step motor is connected with minute hand wiring board, second step motor is connected with hour hand wiring board electricity respectively, be equipped with first nail pipe on the minute hand wiring board, be equipped with second nail pipe on the hour hand wiring board. Furthermore, minute hand wiring board and first coil pack adjacent setting, hour hand wiring board and second coil pack adjacent setting. More specifically, the minute hand terminal plate and the hour hand terminal plate are provided on one side plane in the Y-axis direction of the mounting face. The minute hand wiring board and the hour hand wiring board are arranged symmetrically by taking the center hole of the main clamping plate as the center and taking the Y axis as the axis.

Preferably, first coil subassembly is equipped with the first end of a thread that is used for the electricity to connect, be equipped with the second end of a thread that is used for the electricity to connect on the second coil subassembly, first end of a thread welds on minute hand wiring board, and the second end of a thread welds on hour hand wiring board. Further, the first coil component and the second coil component are arranged on two side planes in the X-axis direction of the assembling surface. More specifically, the first coil assembly and the second coil assembly are arranged symmetrically with respect to a center hole of the main plate and with respect to the Y-axis. The stepping motor comprises a wiring board, a coil assembly and a stator piece, elements in the stepping motor are closely distributed, the space among the stepping motors is utilized, and the space is fully utilized under the condition of improving the transmission ratio.

Preferably, one end of the minute hand wiring board and one end of the hour hand wiring board are respectively provided with a screw, so that the minute hand wiring board and the hour hand wiring board are fixed on the assembling surface. Furthermore, two ends of the first stepping motor and the second stepping motor are respectively provided with a screw for fixing. The setting of the position nail tube can ensure that the electric connection between the wiring board and the circuit board is tighter, the power transmission is convenient, and the fixation is more stable.

"-" indicates the X-axis or Y-axis negative direction, and the coordinate position is indicated as (X-axis direction, Y-axis direction). Preferably, the coordinate of the axial center position of the first rotor assembly is (-2.0633 mm, -1.619 mm), the coordinate of the axial center position of the second rotor assembly is (2.0633 mm, 1.619 mm), the coordinate of the axial center position of the first minute hand transmission wheel is (-2.2154 mm, 0.1846 mm), the coordinate of the axial center position of the second minute hand transmission wheel is (2.2154 mm, -0.1846 mm), the coordinate of the axial center position of the minute hand transmission wheel is (-1.048 mm, 1.759 mm), the coordinate of the axial center position of the minute wheel assembly is (0, 0), the coordinate of the axial center position of the hour hand transmission wheel is (1.4983 mm, -2.0087 mm), and the coordinate of the axial center position of the hour wheel is (0, 0). By placing the elements within the above-mentioned coordinate range, the transmission ratio of the watch movement is better than the transmission ratio outside the range, and at the same time the volume of the watch movement is further reduced. The volume of the watch movement can be controlled to the minimum range, the transmission ratio is optimal, and the watch movement is convenient to install.

Furthermore, the coordinate of the axial center position of the first nail tube is (-1.55 mm, 5.1 mm), and the coordinate of the axial center position of the second nail tube is (1.6 mm, 5.3 mm). Establish position nail pipe coordinate and connect comparatively stably in this interval electricity, and because set for the volume of position nail pipe increase watch movement. The position nail pipe is arranged in the coordinate, the fixing effect and the power transmission effect are optimal, and the installation is convenient.

Preferably, the length of the main clamping plate is 13.8 mm, the width of the main clamping plate is 12.5 mm, and the thickness of the main clamping plate is 3.15 mm. The working temperature of the watch movement is-5 ℃ to 55 ℃, and the working voltage is 1.3V to 1.8V. The length of the main clamping plate refers to the longest vertical distance at two ends of the main clamping plate in the Y-axis direction, the width of the main clamping plate refers to the longest vertical distance at two ends of the main clamping plate in the X-axis direction, and the thickness of the main clamping plate refers to the longest vertical distance between the assembling surface and the dial surface.

Preferably, the dial face is provided with a needle mounting shaft, an hour hand and a minute hand which are arranged on the needle mounting shaft, the needle mounting shaft comprises an hour hand shaft section and a minute hand shaft section which are respectively used for assembling the hour hand and the minute hand, the diameter of the hour hand shaft section ranges from 1.19 mm to 1.2 mm, and the diameter of the minute hand shaft section ranges from 0.69 mm to 0.7 mm.

Preferably, the height of the hour hand shaft section is 0.81 mm, and the height of the minute hand shaft section is 0.5 mm. The volume of watch movement is convenient to reduce.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the timing function of calculating minutes and hours is provided, and the minute hand and the hour hand are respectively controlled, so that different scene requirements of customers are met, and the problem that the movement is damaged due to long-time timing of the second hand is avoided; 2. when the function of respectively controlling minute or hour hand time is adopted, the relative positions of the elements such as the first rotor component, the second rotor component, the first time minute hand driving wheel, the second time minute hand driving wheel and the like are arranged, the hour hand wiring board, the minute hand wiring board, the first coil component and the second coil component are arranged around other elements, and the relative position relation among the elements is established, so that the volume is smaller, the timing and travel time accuracy is high, and the installation is convenient.

Drawings

Fig. 1 is a schematic structural diagram of the assembly surface of the present invention.

Fig. 2 is a schematic structural view of the watch dial face of the present invention.

Fig. 3 is a schematic structural view of the needle mounting shaft of the present invention.

Description of the reference numerals

A main plate 2; a fitting surface 21; a dial face 22; a main plate center hole 23;

a first stepping motor 31; a second stepping motor 32; a first coil assembly 311; a first thread head 3111; a second coil assembly 312; second wire head 3121; the first stator piece 321; a second stator piece 322; a first rotor assembly 331; the second rotor assembly 332;

a minute hand wiring board 41; an hour hand wiring board 42;

a minute hand transmission wheel 52; a minute wheel assembly 53;

a first time minute hand transmission wheel 61; a second time-sharing pin transmission wheel 62;

an hour hand transmission wheel 71; an hour hand transmission wheel shaft 711; an hour hand driving wheel plate 712; hour hand gear shaft teeth 713; an hour wheel 72;

a first nail tube 81; a second position nail tube 82;

a needle mounting shaft 9; a minute hand shaft section 91; an hour hand shaft segment 92.

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", "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 and simplicity of description, and it is not intended to indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are 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

As shown in fig. 1, a watch movement for minute hand and hour hand timekeeping comprises a main plate 2, the main plate 2 is provided with a main plate central hole 23, the main plate 2 is provided with an assembly surface 21 and a dial surface 22, the assembly surface 21 is provided with a first stepping motor 31 and a second stepping motor 32, the assembly surface 21 is provided with a first minute hand driving wheel 61, a minute hand driving wheel 52 and a minute wheel assembly 53 which are meshed in sequence, and a second minute hand driving wheel 62 and an hour hand driving wheel 71 which are meshed with each other, the first stepping motor 31 comprises a first rotor assembly 331, and the first stepping motor 31 is connected with the first minute hand driving wheel 61; the second stepping motor 32 comprises a second rotor assembly 332, and the second stepping motor 32 is connected with a second time-sharing pin driving wheel 62; the hour hand driving wheel 71 includes an hour hand driving wheel plate 712 and an hour hand driving wheel shaft 711.

As shown in fig. 1, the first stepping motor 31 includes a first rotor assembly 331, a first coil assembly 311, and a first stator piece 321; the second stepper motor 32 includes a second rotor assembly 332, a second coil assembly 312, and a second stator piece 322.

The main plate 2 is provided with a main plate center hole 23, the assembling surface 21 has an X-axis direction and a Y-axis direction which are perpendicular to each other, the main plate center hole 23 is used as a coordinate origin (0, 0), the X-axis and the Y-axis are perpendicularly intersected with the main plate center hole 23, the Y-axis is used as a boundary, the right side of the Y-axis is used as an X-axis positive direction, the left side of the Y-axis is used as an X-axis negative direction, the X-axis is used as a boundary, the upper side of the X-axis is used as a Y-axis positive direction, and the lower side of the.

As shown in fig. 1, a minute hand wiring board 41 and an hour hand wiring board 42 are arranged on the mounting surface 21, the first stepping motor 31 is electrically connected with the minute hand wiring board 41, the second stepping motor 32 is electrically connected with the hour hand wiring board 42, the minute hand wiring board 41 is arranged adjacent to the first coil component 311, the hour hand wiring board 42 is arranged adjacent to the second coil component 312, a first wire 3111 for electrical connection is arranged on the first coil component 311, a second wire 3121 for electrical connection is arranged on the second coil component 312, the first wire 3111 is welded on the minute hand wiring board 41, and the second wire 3121 is welded on the hour hand wiring board 42. The minute hand terminal plate 41 and the hour hand terminal plate 42 are provided on one plane surface in the Y-axis direction of the mount face 21. The minute hand terminal plate 41 and the hour hand terminal plate 42 are disposed symmetrically about the main plate center hole 23 and the Y axis. The first coil component 311 and the second coil component 312 are provided on both side planes of the mounting surface 21 in the X-axis direction. The first coil block 311 and the second coil block 312 are arranged symmetrically about the main plate center hole 23 and the Y axis.

As shown in fig. 1, the minute hand terminal plate 41 and the hour hand terminal plate 42 are respectively provided with a first nail tube 81 and a second nail tube 82.

As shown in fig. 1, "-" indicates the negative direction of the X-axis or the Y-axis, with the center hole of the main plate as the origin of coordinates, the coordinates of the center axis position of the center hole of the main clamping plate are (0, 0), the coordinates of the center axis position of the first rotor assembly 331 are (-2.0633 mm, -1.619 mm), the coordinates of the center axis position of the second rotor assembly 332 are (2.0633 mm, 1.619 mm), the coordinates of the center axis position of the first minute hand transmission wheel 61 are (-2.2154 mm, 0.1846 mm), the coordinates of the center axis position of the second minute hand transmission wheel 62 are (2.2154 mm, -0.1846 mm), the coordinates of the center axis position of the minute hand transmission wheel 52 are (-1.048 mm, 1.759 mm), the coordinates of the center axis position of the minute wheel assembly 53 are (0, 0), the coordinates of the center axis position of the hour hand transmission wheel shaft 711 are (1.4983 mm, -2.0087 mm), and the coordinates of the center axis position of the hour wheel. The coordinate of the axial center position of the first nail tube 81 is (-1.55 mm, 5.1 mm), and the coordinate of the axial center position of the second nail tube 82 is (1.6 mm, 5.3 mm). The coordinate is the optimal coordinate, the volume of the watch movement can be controlled to the minimum range, the transmission is good, and the installation is convenient.

The main plate 2 has a length of 13.8 mm, a width of 12.5 mm and a thickness of 3.15 mm. The length, the width and the height of the main clamping plate 2 are set to the values, so that the size can be reduced, and materials can be saved.

As shown in fig. 2, the dial face 22 is provided with hour hand gear wheel axial teeth 713, and the dial face 22 is provided with an hour wheel 72 which meshes with the hour hand gear wheel axial teeth 713.

As shown in fig. 3, the dial face 22 is provided with a hand holding shaft 9, an hour hand and a minute hand which are arranged on the hand holding shaft 9, the hand holding shaft 9 comprises an hour hand shaft section 92 and a minute hand shaft section 91 which are respectively used for assembling the hour hand and the minute hand, the diameter of the hour hand shaft section 92 is 1.192 mm, and the diameter of the minute hand shaft section 91 is 0.692 mm.

The height of the hour hand shaft section 92 is 0.81 mm, and the height of the minute hand shaft section 91 is 0.5 mm. The volume of watch movement is convenient to reduce.

Example 2

The embodiment is the second embodiment of the present invention, and is different from embodiment 1 in that the diameter of the hour hand shaft section 92 is 1.197 mm, and the diameter of the minute hand shaft section 91 is 0.698 mm. The other structures and operation principles of embodiment 2 are the same as those of embodiment 1.

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. A watch movement for minute hand and hour hand timing, including the main clamping plate, there are centre holes of the main clamping plate on the said main clamping plate, the said main clamping plate has assembly surface and dial face, the said assembly surface has X axle and Y axle perpendicular to each other, characterized by that, the said assembly surface has first stepping motor and second stepping motor, the said assembly surface has first minute hand drive wheel, minute hand drive wheel and minute wheel assembly engaging sequentially, the said assembly surface has second minute hand drive wheel and hour hand drive wheel engaging each other;

the first stepping motor comprises a first rotor assembly, and is connected with a first time minute hand driving wheel;

the second stepping motor comprises a second rotor assembly and is connected with a second time division hand driving wheel;

the hour hand driving wheel comprises an hour hand driving wheel sheet, an hour hand driving wheel shaft and hour hand driving wheel shaft teeth, and the dial face is provided with an hour wheel meshed with the hour hand driving wheel shaft teeth.

2. A wristwatch movement for minute and hour hands according to claim 1, wherein said fitting surface is provided with a minute hand terminal plate and an hour hand terminal plate, said first stepping motor being connected to the minute hand terminal plate, said second stepping motor being electrically connected to the hour hand terminal plate, respectively, said minute hand terminal plate being provided with a first nail tube, said hour hand terminal plate being provided with a second nail tube.

3. A wristwatch movement for minute and hour hand timepieces as claimed in claim 2, wherein said minute hand terminal plate and hour hand terminal plate are provided on one side plane of the mounting surface in the Y-axis direction.

4. A watch movement for minute and hour hand timekeeping according to claim 3, wherein said minute and hour hand terminal plates are arranged axisymmetrically about the Y axis, centered on the center hole of the main plate.

5. A watch movement for minute and hour hand timepieces according to claim 1, characterised in that said first stepping motor comprises a first coil assembly and said second stepping motor comprises a second coil assembly, said first and second coil assemblies being respectively provided on planes on both sides of the assembly plane in the direction of the X axis.

6. A watch movement for minute and hour hand timepieces according to claim 1, wherein the origin of coordinates is the center hole of the main plate, the coordinates of the center axis position of the center hole of the main plate are (0, 0), the coordinates of the center axis position of the first rotor assembly are (-2.0633 mm, -1.619 mm), the coordinates of the center axis position of the second rotor assembly are (2.0633 mm, 1.619 mm), the coordinates of the center axis position of the first minute hand driving wheel are (-2.2154 mm, 0.1846 mm), the coordinates of the center axis position of the second minute hand driving wheel are (2.2154 mm, -0.1846 mm), the coordinates of the center axis position of the minute hand driving wheel are (-1.048 mm, 1.759 mm), the coordinates of the center axis position of the minute wheel assembly are (0, 0), the coordinates of the center axis position of the hour hand driving wheel are (1.4983 mm, -2.0087 mm), the coordinate of the axle center position of the hour wheel is (0, 0).

7. The watch movement for minute and hour hand timepieces according to claim 2, wherein the coordinates of the center axis position of the center hole of the main plate are (0, 0), the coordinates of the center axis position of the first nail tube are (-1.55 mm, 5.1 mm), and the coordinates of the center axis position of the second nail tube are (1.6 mm, 5.3 mm), with the center hole of the main plate as the origin of coordinates.

8. A watch movement for a minute and hour hand hour meter according to claim 7, characterised in that said main plate has a length of 13.8 mm, a width of 12.5 mm and a thickness of 3.15 mm.

9. The watch movement for minute and hour hand timekeeping according to claim 1, wherein said dial face is provided with a hand-holding shaft, an hour hand and a minute hand provided on the hand-holding shaft, said hand-holding shaft includes an hour hand shaft section and a minute hand shaft section for respectively assembling the hour hand and the minute hand, said hour hand shaft section has a diameter ranging from 1.19 mm to 1.2 mm, and said minute hand shaft section has a diameter ranging from 0.69 mm to 0.7 mm.

10. A watch movement for a minute and hour hand chronograph according to claim 9, characterized in that the height of the hour hand shaft segment is 0.81 mm and the height of the minute hand shaft segment is 0.5 mm.