CN212572295U - Double-shaft micromotor of timer and timer thereof - Google Patents

Abstract

The application provides a little motor of biax of timer includes: the driving mechanism is characterized in that the speed reducing mechanism comprises a speed reducing gear, the speed reducing gear is a plurality of gears which are arranged on two rotating shafts and meshed with each other, and one part of the gear on the outermost side of the two rotating shafts respectively extends out of the shell and simultaneously outputs driving torque. The application still provides one kind and has the timer of the little motor of biax, the first external gear's of the little motor of biax toothlet with cross the big tooth meshing of round, cross round big tooth and drive minute wheel and minute hand synchronous rotation, cross round toothlet and drive hour wheel and hour dial synchronous rotation, the second external gear's of the little motor of biax toothlet and the gear part meshing of carousel drive the carousel and rotate.

Description

Double-shaft micromotor of timer and timer thereof

Technical Field

The utility model relates to a timer technical field, more specifically relates to a biax micromotor of timer and timer thereof.

Background

The use scene of timer is very extensive, and the timer has the function that can regularly open and close, has generally used in people's daily life, and the kind of timer mainly divide into: electronic timers and mechanical timers. Mechanical timers generally include: the power mechanism outputs power, the power mechanism outputs driving torque to the outside of the shell after the power mechanism decelerates through the deceleration mechanism, the deceleration mechanism comprises a plurality of deceleration gears arranged on a plurality of rotating shafts, and the control mechanism is connected with the deceleration mechanism extending out of the shell to realize the functions of opening and closing at fixed time.

The utility model discloses an existing timer, for example the utility model patent of publication No. CN2805198Y, the little motor of patent name reduction of timer to and the utility model patent of publication No. CN2798296Y, the little motor driven mechanical type timer of patent name reduction, wherein, CN2798296Y is CN 2805198Y's a concrete application embodiment, the little motor of above-mentioned two utility model patents is single-axis motor, only has single-axis motor's function to the accuracy is low, and the accuracy is about a quarter. In addition, there are timers with higher accuracy in the market at present, and the timers with time division needle display can reach the accuracy of 1-2 minutes, but the cost of the motor is high, 15 plastic gears are arranged, the cost of the whole timer is high, the number of parts is large and messy, the manual assembly cost is high, and the maintenance is difficult when the parts break down.

In view of this, the utility model provides a biax micromotor of timer and timer thereof, the biax simultaneous working of biax micromotor, the accuracy is high, and the size is little to simple structure, low, the assembly rate is fast, with low costs of manufacturing precision.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a little motor of biax of timer and timer thereof, the biax simultaneous working of the little motor of biax, the accuracy is high, and the size is little to simple structure, low, the assembly speed of manufacturing accuracy is fast, with low costs.

In one aspect of the present application, there is provided a dual-shaft micro-motor of a timer, including: the driving mechanism is characterized in that the speed reducing mechanism comprises a speed reducing gear, the speed reducing gear is a plurality of gears which are arranged on two rotating shafts and meshed with each other, and one part of the gear on the outermost side of the two rotating shafts respectively extends out of the shell and simultaneously outputs driving torque.

In some embodiments, the power mechanism comprises: the coil is composed of a wound enameled wire with a certain thickness, the stator piece is provided with a hollow circular part, and the magnetic steel is positioned inside the hollow circular part of the stator piece.

Furthermore, two ends of the coil, namely two ends of the enameled wire, are respectively connected with two welding pins, the welding pins are connected with two poles of an input power supply to generate a magnetic field, the magnetic field is transmitted to the stator piece, and the stator piece drives the magnetic steel to rotate so as to provide stable rotating speed.

Furthermore, the power mechanism further comprises a coil support, the coil support fixes the coil and fixes two welding pins positioned on two sides of the coil, and the arm ends of the two stator pieces are also connected and fixed with the coil support.

Further, the coil support and the stator piece are located inside the housing, or outside the housing, or partially outside the housing. Preferably, the coil is located outside the housing, and the coil support and a portion of the stator piece are located outside the housing.

Furthermore, the magnetic steel and the rotor wheel are fixedly connected into a whole, and the magnetic steel and the rotor wheel rotate together. Magnet steel and rotor wheel set up in first pivot, and the pivot plays fixed effect, and magnet steel and rotor wheel rotate around first pivot, and power unit provides stable rotational speed through the rotor wheel to reduction gears.

In some embodiments, the speed reducing mechanism further includes a transition gear engaged with the rotor wheel of the power mechanism, and the transition gear is decelerated by the speed reducing mechanism to reach a predetermined transmission speed, and the transition gear is further engaged with the speed reducing gear, and transmits power to the speed reducing gear through the transition gear, the speed reducing gear includes a plurality of gears engaged with each other, the speed reducing gear is disposed on the third rotating shaft and the fourth rotating shaft, the speed reducing gear rotates around the third rotating shaft and the fourth rotating shaft, and the outermost gears on the third rotating shaft and the fourth rotating shaft outputting driving torque are the first overhang gear and the second overhang gear, respectively.

Further, in the double-shaft micromotor of the timer, the transmission ratio between two gears which are meshed with each other is as follows: the transmission ratio is more than or equal to 4 and less than or equal to 6.

Furthermore, the transition gear comprises a transition gear large tooth and a transition gear small tooth, the transition gear large tooth is meshed with the rotor wheel, the transition gear small tooth is meshed with the reduction gear, the transition gear is arranged on the second rotating shaft, and the transition gear rotates around the second rotating shaft.

Furthermore, the size of the transition gear is similar to that of the reduction gears, the number of the reduction gears is 6-8, and preferably, the number of the reduction gears is 7.

Further, if the number of the reduction gears is 7, the reduction gears are named as a first wheel, a second wheel, a third wheel, a fourth wheel, a fifth wheel, a sixth wheel (a first external extending gear) and a seventh wheel (a second external extending gear) in sequence, and the reduction gears other than the fifth wheel all have large teeth and small teeth.

Furthermore, small teeth of the transition gear are meshed with large teeth of the first wheel, large teeth of the second wheel are meshed with small teeth of the first wheel, large teeth of the third wheel are meshed with small teeth of the second wheel, large teeth of the fourth wheel are meshed with small teeth of the third wheel, small teeth of the fifth wheel are meshed with small teeth of the fourth wheel, the fifth wheel and the sixth wheel are overlapped together, when the five wheels rotate in the forward direction, the six wheels are driven to rotate together, large teeth of the seventh wheel are meshed with large teeth of the sixth wheel, and small teeth of the sixth wheel and small teeth of the seventh wheel are arranged outside the shell and output driving torque at the same.

The transmission ratio between the small transition gear teeth and the large first-wheel teeth, between the large second-wheel teeth and the small first-wheel teeth, between the large third-wheel teeth and the small third-wheel teeth, between the large fourth-wheel teeth and the small third-wheel teeth, between the small fifth-wheel teeth and the small fourth-wheel teeth, and between the large seventh-wheel teeth and the large sixth-wheel teeth is: the transmission ratio is more than or equal to 4 and less than or equal to 6.

Furthermore, the first wheel, the third wheel, the fifth wheel and the sixth wheel are arranged on the third rotating shaft from bottom to top, and the second wheel, the fourth wheel and the seventh wheel are arranged on the fourth rotating shaft from bottom to top.

Furthermore, the small teeth of the transition gear are arranged below the large teeth of the transition gear, and the small teeth of the first wheel, the second wheel, the third wheel, the fourth wheel, the sixth wheel and the seventh wheel are arranged above the large teeth of the transition gear.

Furthermore, the five wheels comprise a circular non-return mechanism, non-return teeth are uniformly arranged in the circular non-return mechanism, the six wheels comprise a slipping gear, the slipping gear is arranged in the circular non-return mechanism and is provided with two circular-arc non-return claws, and claw hooks corresponding to the non-return teeth are arranged at the end parts of the non-return claws.

When the needle is rotated in the forward direction (clockwise rotation), the non-return teeth of the five wheels are clamped with the claw hooks of the six wheels, the five wheels drive the six wheels to rotate together, and when the needle is rotated in the reverse direction (anticlockwise rotation, also called as needle shifting), the non-return teeth of the five wheels cannot be clamped with the claw hooks of the six wheels because the slipping gear has certain elasticity, and the five wheels cannot rotate together when the six wheels rotate. Meanwhile, no matter the six wheels rotate in the forward direction or the reverse direction, the seven wheels can be driven to rotate together by the six wheels.

Furthermore, the number of the rotor wheel, the small tooth of the transition gear, the small tooth of the first wheel, the small tooth of the second wheel, the small tooth of the third wheel, the small tooth of the fourth wheel, the large tooth of the sixth wheel, the small tooth of the sixth wheel and the small tooth of the seventh wheel is 8-12, and the number of the large tooth of the transition gear, the large tooth of the first wheel, the large tooth of the second wheel, the large tooth of the third wheel and the large tooth of the fourth wheel is: 50-60.

Further, the gear is made of plastic, and specifically, the gear is made of POM plastic.

In some embodiments, the housing includes an upper housing and a lower housing, and one end of the rotating shaft is fixed to the upper housing or the lower housing, and preferably, one end of the rotating shaft is fixed to the lower housing.

Further, the length of the housing is about 4cm, the width of the speed reducing mechanism of the housing is about 2.5cm, and the thickness of the housing is about 1.5 cm.

According to the double-shaft micromotor, on one hand, one part of each of the two reduction gears extends out of the shell, and meanwhile, the driving torque is output, so that the power utilization rate is high; on the other hand, after long-term intensive research, a great number of tests and multiple optimization, the inventor reduces power loss as much as possible while ensuring space minimization, and obtains important technical parameters that the transmission ratio between two gears which are meshed with each other is set as follows: the transmission ratio is more than or equal to 4 and less than or equal to 6, the sizes of the transition gear and the reduction gear are similar, the number of the reduction gears is 6-8, and the 6-8 reduction gears with similar sizes can reasonably utilize space, so that the space of the double-shaft micromotor is minimized, the size is small, compared with 15 plastic gears in the prior art, the number of the gears of the reduction mechanism is reduced by 6, the number of the gears is reduced, the power loss is reduced, and the double-shaft micromotor has the advantages of simple structure, low manufacturing precision, high assembly speed and low cost.

The double-shaft micromotor takes 7 reduction gears as an example, the transmission ratio is more than eighty thousand calculated by folding for 24 hours, if the reduction gears are used less for greatly reducing power loss, for example, 2 reduction gears are used for realizing the reduction, if the first wheel is 10 teeth, the second wheel needs 80 ten thousand teeth, the diameter of the second wheel needs several meters, a large space is needed, and obviously, the double-shaft micromotor is not suitable for a small space of the micromotor of a timer (the length of the whole micromotor is about 4 cm); if the number of the gears is large, on one hand, power loss is large after the number of the gears is large, and on the other hand, occupied space is increased and thickness is increased.

In another aspect of the present application, there is provided a timer including: the double-shaft micro motor, the intermediate wheel, the hour wheel, the minute wheel, the hour dial, the minute hand and the rotary dial are characterized in that a first overhanging gear and a second overhanging gear of the double-shaft micro motor simultaneously output driving torque, small teeth of the first overhanging gear are meshed with large teeth of the intermediate wheel, the large teeth of the intermediate wheel drive the minute wheel and the minute hand to synchronously rotate, small teeth of the intermediate wheel drive the hour wheel and the hour dial to synchronously rotate, and small teeth of the second overhanging gear are meshed with a gear part of the rotary dial to drive the rotary dial to rotate.

In some embodiments, the dials are used to time, hour and minute hands to simulate the appearance of a timepiece for visually displaying hours and minutes.

In some embodiments, the large gear of the third wheel is meshed with the minute wheel, one end of the minute wheel is fixedly connected with the minute hand, the minute wheel rotates to drive the minute hand to rotate synchronously, the small gear of the third wheel is meshed with the hour wheel, the hour wheel is fixedly connected with the fixed end of the hour dial, and the hour wheel rotates to drive the hour dial to rotate synchronously.

Furthermore, the hour wheel is sleeved in the middle of the minute wheel, but the hour wheel is not fixedly connected with the minute wheel and the minute hand, and the rotation of the hour wheel is determined by the small teeth of the third wheel.

Furthermore, the transmission ratio of the small teeth of the first overhanging gear to the large teeth of the third wheel is about 6, the transmission ratio of the large teeth of the third wheel to the minute wheel is about 0.3, and the transmission ratio of the small teeth of the third wheel to the hour wheel is about 4.

Furthermore, the minute hand rotates for one circle, the hour hand disc rotates for one scale, namely one hour, the rotating speed of the minute wheel is 12 times of that of the hour wheel, and the accuracy is 1-2 minutes.

Further, the time setting range of the timing function of the turntable is as follows: 15min-24 h.

In some embodiments, the timer further comprises a female cap head that secures a fixed portion of the turntable.

In some embodiments, the dual-axis micro-machine comprises: the power mechanism outputs power, and after the power is reduced by the speed reducing mechanism, the first externally extending gear and the second externally extending gear of the speed reducing mechanism simultaneously output driving torque.

Further, the transmission ratio between two gears meshed with each other in the double-shaft micromotor is as follows: the transmission ratio is more than or equal to 4 and less than or equal to 6, the sizes of the transition gear and the reduction gear of the speed reducing mechanism are similar, and the number of the reduction gears is 6-8.

According to the timer, on one hand, due to the design of the double-shaft micromotor, the double-shaft micromotor occupies a small space and has low power loss, the double-shaft output driving torque (the first externally extending gear and the second externally extending gear) is adopted, the power utilization rate is high, the double-shaft micromotor simultaneously drives the rotating disc and the hour hand disc to rotate, the power utilization of the micromotor is improved, and the size of the timer is small; on the other hand, the display function of the minute hand and the hour hand disk simulates the appearance display of a clock, so that the use habit of people is conformed, more importantly, the accuracy of the timer is improved because the minute hand is displayed, the accuracy of the timer reaches 1-2 minutes, and the accuracy of the timer in the prior art is improved by 5-10 times because the minute hand is not displayed, and the accuracy of the timer in the prior art is one quarter clock.

Drawings

Fig. 1 is a front view of a micro-machine of the present application.

Fig. 2 is a front view of the micro-machine of the present application with the upper housing removed.

Fig. 3 is a front view of five wheels and six wheels in embodiment 1 of the present application.

Fig. 4 is a front view of six wheels in embodiment 1 of the present application.

Fig. 5 is a cross-sectional view of a six-wheel in example 1 of the present application.

Fig. 6 is an assembly view of the timer of the present application.

Description of the main element symbols:

a power mechanism-1, a speed reducing mechanism-2, a shell 3, a coil-11, an enameled wire-111, a stator piece-12, a hollow circular part-121 of the stator piece, an arm end-122 of the stator piece, magnetic steel-13, a rotor wheel-14, a coil support-15, a welding pin-16, a first rotating shaft-17, a transition gear-21, a second rotating shaft-22, a speed reducing gear-23, a third rotating shaft-24, a fourth rotating shaft-25, a transition gear big tooth-211, a transition gear small tooth-212, a first wheel-231, a second wheel-232, a third wheel-233, a fourth wheel-234, a fifth wheel-235, a sixth wheel (a first external extending gear) -236, a seventh wheel (a second external extending gear) -237, a first wheel big tooth-2311, a wheel small tooth-2312, a third wheel-233, a fourth wheel-234, a, Big second gear-2321, big second gear-2322, big third gear-2331, small third gear-2332, big four gear-2341, small four gear-2342, circular non-return mechanism-2351, non-return gear-2352, big fifth gear-2353, big sixth gear (big first extending gear) -2361, small sixth gear (small first extending gear) -2362, slipping gear-2363, non-return claw-2364, claw hook-2365, big seventh gear (big second extending gear) -2371, small seventh gear (small second extending gear) -2372, upper shell-31, lower shell-32, third gear-4, hour wheel-5, minute wheel-6, hour hand disc-7, minute hand-8, rotary disc-9, concave head-10, big third gear-41, fourth gear-32, third gear-2341, small sixth gear (big second extending gear) -2362, slipping gear-2363, non-return claw-2364, claw hook-2365, big seventh gear (big second extending gear-8), seventh, Small teeth of the third wheel-42, the fixed end-71 of the hour hand disk, the gear part-91 of the rotary disk, the fixed part-92 of the rotary disk and the rotating part-93 of the rotary disk.

Detailed Description

The following examples are described to aid in the understanding of the present application and are not, and should not be construed to, limit the scope of the present application in any way.

In the following description, those skilled in the art will recognize that components may be described throughout this discussion as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including being integrated within a single system or component).

Also, connections between components or systems within the figures are not intended to be limited to direct connections. Rather, data between these components may be modified, reformatted, or otherwise changed by the intermediate components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" and "fixed" are understood to encompass direct connections, indirect connections, or fixed through one or more intermediaries.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "outside", "side", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships commonly recognized in the product of the application, and are only used for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1:

a two-axis micromotor for a timer, as shown in fig. 1 to 5, comprising: the power mechanism 1, the reduction mechanism 2 and the shell 3, wherein part or all of the power mechanism 1 is arranged in the shell 3, part of the reduction mechanism 2 is arranged in the shell 3, the power mechanism 1 outputs power, and after the power is reduced by the reduction mechanism 2, the power mechanism outputs driving torque to the outside of the shell 3.

The power mechanism 1 includes: the stator comprises a coil 11, a stator piece 12 and magnetic steel 13, wherein the coil 11 is composed of a wound enameled wire 111 with a certain thickness, the stator piece 12 is provided with a hollow circular part, and the magnetic steel 13 is positioned inside the hollow circular part 121 of the stator piece. Two ends of the coil 11, namely two ends of the enameled wire 111, are respectively connected with two welding pins 16, the welding pins 16 are connected with two poles of an input power supply to generate a magnetic field, the magnetic field is transmitted to the stator piece 12, and the stator piece 12 drives the magnetic steel 13 to rotate to provide a stable rotating speed. The power mechanism further comprises a coil support 15, the coil support 15 fixes the coil 11 and fixes two welding pins 16 positioned at two sides of the coil, and the arm ends 122 of the two stator sheets are also connected and fixed with the coil support 15. The coil 11 is located outside the housing 3, and the coil support 15 and a part of the stator piece 12 are located outside the housing 3.

The magnetic steel 13 and the rotor wheel 14 are fixedly connected into a whole, and the magnetic steel 13 and the rotor wheel 14 rotate together. Magnet steel 13 and rotor wheel 14 set up on first pivot 17, and the pivot plays fixed effect, and magnet steel 13 and rotor wheel 14 rotate around first pivot 17, and power unit 1 provides stable rotational speed through rotor wheel 14 to reduction gears 2.

The speed reducing mechanism 2 further comprises a transition gear 21, the transition gear 21 is engaged with the rotor wheel 14 of the power mechanism 1, speed is reduced by the speed reducing mechanism 2 to reach a preset transmission speed, the transition gear 21 is also engaged with a speed reducing gear 23, power is transmitted to the speed reducing gear 23 through the transition gear 21, the speed reducing gear 23 comprises a plurality of gears which are engaged with each other, the speed reducing gear 23 is arranged on a third rotating shaft 24 and a fourth rotating shaft 25, the speed reducing gear 23 rotates around the third rotating shaft 24 and the fourth rotating shaft 25, and the outermost gears on the third rotating shaft 24 and the fourth rotating shaft 25 for outputting driving torque are a first overhang gear 236 and a second overhang gear 237 respectively. The transmission ratio between two gears meshed with each other in the double-shaft micromotor is as follows: the transmission ratio is more than or equal to 4 and less than or equal to 6. The transition gear 21 comprises a large transition gear tooth 211 and a small transition gear tooth 212, the large transition gear tooth 211 is meshed with the rotor wheel 14, the small transition gear tooth 212 is meshed with the reduction gear 23, the transition gear 21 is arranged on the second rotating shaft 22, and the transition gear 21 rotates around the second rotating shaft 22.

The number of the reduction gears 23 is 7, the reduction gears 23 are named as a first wheel 231, a second wheel 232, a third wheel 233, a fourth wheel 234, a fifth wheel 235, a sixth wheel (first external gear) 236, and a seventh wheel (second external gear) 237 in this order, and the reduction gears other than the fifth wheel 235 have large teeth and small teeth. The small transition gear teeth 212 are meshed with the large first-wheel teeth 2311, the large second-wheel teeth 2321 are meshed with the small first-wheel teeth 2312, the large third-wheel teeth 2331 are meshed with the small second-wheel teeth 2322, the large four-wheel teeth 2341 are meshed with the small third-wheel teeth 2332, the five-wheel teeth 235 are meshed with the small four-wheel teeth 2342, the five-wheel teeth 235 and the six-wheel teeth 236 are overlapped together, when the five-wheel teeth 235 rotate in the forward direction, the six-wheel teeth 236 are driven to rotate together, the large seven-wheel teeth 2371 are meshed with the large six-wheel teeth 2361, and the small six-wheel teeth 2362 and the small seven-wheel teeth 2372 are arranged outside the shell.

The first wheel 231, the third wheel 233, the fifth wheel 235 and the sixth wheel 236 are arranged on the third rotating shaft-24 from bottom to top, and the second wheel 232, the fourth wheel 234 and the seventh wheel 237 are arranged on the fourth rotating shaft-25 from bottom to top. The transition gear small teeth 212 are disposed below the transition gear large teeth 211, and the small teeth of the one-wheel 231, the two-wheel 232, the three-wheel 233, the four-wheel 234, the six-wheel 236, and the seven-wheel 237 are disposed above the large teeth thereof.

The five wheels 235 include a circular non-return mechanism 2351, non-return teeth 2352 are uniformly arranged inside the circular non-return mechanism 2351, the six wheels include a slip gear 2363, the slip gear 2363 is arranged inside the circular non-return mechanism 2351, the slip gear 2363 has two circular arc-shaped non-return claws 2364, and the end of each non-return claw 2364 is provided with a claw hook 2365 corresponding to the non-return teeth 2352. When the five-wheel 235 rotates forward (clockwise rotation), the non-return teeth 2352 of the five-wheel 235 are clamped with the claw hooks 2365 of the six-wheel 236, the five-wheel 235 drives the six-wheel 236 to rotate together, and when the five-wheel 235 rotates backward (counterclockwise rotation, also called needle shifting), the non-return teeth 2352 of the five-wheel 235 cannot be clamped with the claw hooks 2365 of the six-wheel 236 because the slipping gear 2364 has certain elasticity, and the six-wheel 236 rotates, so that the five-wheel 235 cannot rotate together. At the same time, the six wheels 236 will rotate the seven wheels 237 together, whether in forward or reverse rotation.

Further, the number of teeth of the rotor wheel 14, the small transition gear teeth 212, the small first gear teeth 2312, the small second gear teeth 2322, the small third gear teeth 2332, the small fourth gear teeth 2342, the large sixth gear teeth 2361, the small sixth gear teeth 2362 and the small seventh gear teeth 2372 are respectively 12, 10, 8 and 9, and the number of teeth of the large transition gear teeth 211, the large first gear teeth 2311, the large second gear teeth 2321, the large third gear teeth 2331, the large fourth gear teeth 2341, the large fifth gear 235 and the large seventh gear teeth 2371 are respectively: 50, 60, 40 and 40 gears are made of POM plastic. The housing 3 includes an upper housing 31 and a lower housing 32, and one end of the rotation shaft is fixed to the lower housing 32. The length of the housing 3 is about 4cm, the width of the speed reducing mechanism 2 of the housing 3 is about 2.5cm, and the thickness of the housing 3 is about 1.5 cm.

Example 2:

a timer, as shown in fig. 1 to 6, comprising: the double-shaft micro motor, a third wheel 4, an hour wheel 5, a minute wheel 6, an hour hand disk 7, a minute hand 8 and a rotary disk 9, wherein a first outward extending gear-236 and a second outward extending gear-237 of the double-shaft micro motor simultaneously output driving torque, a small tooth-2362 of the first outward extending gear is meshed with a large tooth 41 of the third wheel, the large tooth 41 of the third wheel drives the minute wheel 6 and the minute hand 8 to synchronously rotate, the small tooth 42 of the third wheel drives the hour wheel 5 and the hour hand disk 7 to synchronously rotate, and a small tooth-2372 of the second outward extending gear is meshed with a gear part 91 of the rotary disk to drive the rotary disk 9 to rotate.

The dial 9 is used for timing, and the hour hand 7 and minute hand 8 simulate the appearance display of a clock and are used for visually displaying hours and minutes. The large gear wheel passing 41 is meshed with the minute wheel 6, one end of the minute wheel 6 is fixedly connected with the minute hand 8, the minute wheel 6 rotates to drive the minute hand 8 to rotate synchronously, the small gear wheel passing 42 is meshed with the hour wheel 5, the hour wheel 5 is fixedly connected with the hour hand fixing end 71, and the hour hand 7 rotates synchronously when the hour wheel 5 rotates and drives. The hour wheel 5 is sleeved in the middle of the minute wheel 6, but the hour wheel 5 is not fixedly connected with the minute wheel 6 and the minute hand 8, and the rotation of the hour wheel 5 is determined by the small teeth 42 of the third wheel. The transmission ratio of the small tooth-2362 of the first overhanging gear to the large tooth 41 of the third wheel is about 6, the transmission ratio of the large tooth 41 of the third wheel to the minute wheel 6 is about 0.3, and the transmission ratio of the small tooth 42 of the third wheel to the hour wheel 5 is about 4. The minute wheel 6 rotates for one circle, the hour hand disc 7 rotates for one scale, namely one hour, the rotating speed of the minute wheel 6 is 12 times of that of the hour wheel 5, and the accuracy is 1-2 minutes. The time setting range of the timing function of the dial 9 is: 15min-24 h.

The timer also includes a female capping head 10, the female capping head 10 securing a fixed portion 92 of the turntable. The dual-axis micro-motor includes: the power mechanism 1 outputs power, and after the power mechanism 1 decelerates through the speed reducing mechanism 2, the first external extending gear-236 and the second external extending gear-237 of the speed reducing mechanism 2 output driving torque at the same time. The transmission ratio between two gears meshed with each other in the double-shaft micromotor is as follows: the transmission ratio is more than or equal to 4 and less than or equal to 6, the size of the transition gear 21 and the size of the reduction gear 23 of the speed reducing mechanism 2 are similar, and the number of the reduction gears 23 is 7.

While various aspects and embodiments have been disclosed herein, it will be apparent to those skilled in the art that other aspects and embodiments can be made without departing from the spirit of the disclosure, and that several modifications and improvements can be made without departing from the spirit of the disclosure. The various aspects and embodiments disclosed herein are presented by way of example only and are not intended to limit the present disclosure, which is to be controlled in the spirit and scope of the appended claims.

Claims (10)

1. A dual-axis micromotor for a timer, comprising: the driving mechanism comprises a reduction gear, the reduction gear is a plurality of gears which are arranged on two rotating shafts and meshed with each other, one part of the outermost gear on the two rotating shafts extends out of the shell respectively and outputs driving torque simultaneously, the two rotating shafts are a third rotating shaft and a fourth rotating shaft, the outermost gear on the third rotating shaft is a first overhanging gear, and the outermost gear on the fourth rotating shaft is a second overhanging gear.

2. The dual-shaft micromotor for a timer according to claim 1, wherein the power mechanism comprises: the coil is composed of a wound enameled wire with a certain thickness, the stator piece is provided with a hollow circular part, and the magnetic steel is positioned inside the hollow circular part of the stator piece.

3. The dual-axis micromotor for a timer of claim 2, wherein said power mechanism comprises one or more features selected from the group consisting of:

(1) two ends of the enameled wire are respectively connected with two welding pins, the welding pins are connected with two poles of an input power supply to generate a magnetic field, the magnetic field is transmitted to the stator piece, and the stator piece drives the magnetic steel to rotate to provide stable rotating speed;

(2) the power mechanism further comprises a coil support, the coil support fixes the coil and fixes two welding pins positioned at two sides of the coil, and arm ends of the two stator sheets are also connected and fixed with the coil support;

(3) the coil, the coil support and the stator piece are located inside the housing, or outside the housing, or partially outside the housing.

4. The dual-axis micromotor for a timer of claim 2 wherein the magnetic steel is fixedly connected with the rotor wheel as a unit, the magnetic steel and the rotor wheel rotating together.

5. The dual-shaft micromotor for a timer of claim 1, wherein the reduction mechanism further comprises a transition gear, the transition gear is engaged with a rotor wheel of the power mechanism, the transition gear is further engaged with the reduction gear, and the power is transmitted to the reduction gear through the transition gear.

6. The dual-shaft micromotor for a timer according to claim 1, wherein in the dual-shaft micromotor for a timer, the transmission ratio between the two gears meshing with each other is: the transmission ratio is more than or equal to 4 and less than or equal to 6, the sizes of the transition gear and the reduction gear are similar, and the number of the reduction gears is 6-8.

7. The dual-shaft micromotor for a timer according to claim 1, wherein the housing comprises an upper housing and a lower housing, one end of the rotation shaft is fixed to the upper housing or the lower housing, the length of the housing is about 4cm, the width of the reduction mechanism of the housing is about 2.5cm, and the thickness of the housing is about 1.5 cm.

8. A timer comprising the two-axis micromotor according to any one of claims 1 to 7, further comprising: the small teeth of the first outward extending gear of the double-shaft micro motor are meshed with the large teeth of the over wheel, the large teeth of the over wheel drive the minute wheel and the minute hand to synchronously rotate, the small teeth of the over wheel drive the time wheel and the hour hand to synchronously rotate, and the small teeth of the second outward extending gear are meshed with the gear part of the rotary table to drive the rotary table to rotate.

9. The timer of claim 8, wherein the timer comprises one or more features selected from the group consisting of:

(1) the rotary disc is used for timing, and the time dial and the minute hand simulate the appearance display of a clock and are used for visually displaying hours and minutes;

(2) the large gear of the over wheel is meshed with the minute wheel, one end of the minute wheel is fixedly connected with the minute hand, the minute wheel rotates to drive the minute hand to rotate synchronously, the small gear of the over wheel is meshed with the hour wheel, the hour wheel is fixedly connected with the fixed end of the hour dial, and the hour wheel rotates to drive the hour dial to rotate synchronously;

(3) the transmission ratio of small teeth of the first overhanging gear to large teeth of the third gear is 6, the transmission ratio of large teeth of the third gear to the minute wheel is 0.3, and the transmission ratio of small teeth of the third gear to the hour wheel is 4;

(4) the minute hand rotates one circle, the hour hand disk rotates one hour, the rotating speed of the minute wheel is 12 times of that of the hour wheel, and the accuracy is 1-2 minutes;

(5) the time setting range of the timing function of the turntable is as follows: 15min-24 h;

(6) the timer also comprises a concave cover head which fixes the fixing part of the turntable.

10. The timer of claim 8, wherein the dual-axis micromotor comprises: the power mechanism outputs power, after the speed of the speed reducing mechanism is reduced, a first externally extending gear and a second externally extending gear of the speed reducing mechanism simultaneously output driving torque, and the transmission ratio between two gears meshed with each other in the double-shaft micromotor is as follows: the transmission ratio is more than or equal to 4 and less than or equal to 6, the sizes of the transition gear and the reduction gear of the speed reducing mechanism are similar, and the number of the reduction gears is 6-8.

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