CN2290073Y

CN2290073Y - Quartz clock movement stator

Info

Publication number: CN2290073Y
Application number: CN 97204251
Authority: CN
Inventors: 许穆生
Original assignee: Yongzhen Enterprise Co ltd
Current assignee: Yongzhen Enterprise Co ltd
Priority date: 1997-02-24
Filing date: 1997-02-24
Publication date: 1998-09-02
Anticipated expiration: 2007-02-24

Abstract

The utility model relates to a quartz clock movement stator. Two or more than two sheet bodies with the same type are stacked to form a stator thick enough to drive the magnetometric force of a rotor after magnetization and are consolidated into a whole through punching in advance. The sheet body on the upper layer is punched and partially pressed into a concave hole punched in the prior punching step of the sheet body on the next layer to be clamped in the concave hole. Two sheet bodies are fixedly clamped into a whole, and therefore, the eddy current loss can be reduced and the combination is convenient.

Description

The quartz clock movement stator

The utility model relates to a kind of quartz clock movement stator, particularly relates to a kind ofly being stamped to form so that the multi-layer stator thin slice is stacked, makes it reduce under the eddy current losses (claiming iron loss again) the quartz clock movement stator that can conveniently make up.

When watchmaking is all finished it and is driven with the design of light, thin, short, little precision now, the movement structure of minute, second pin, its complicated and assembling of meticulous member be the clock and watch finished product whether can be accurate, the key of instruction time exactly, and wish and to reach clocking capability with minimum power consumption, and to prolong the battery operating period, avoid often changing the puzzlement of battery, so just can meet the demand in market.

Fig. 1 represents a kind of structure of existing quartz clock movement 1, and it mainly comprises a lower house 10, stator 13, accessory plate 14, a motor rotor 15 and a upper shell 18.Be provided with the room 100 that an opening makes progress in the lower house 10, one of horizontal is preset with P.e.c., quartz oscillation crystal and IC element to constitute the circuit board 11 of control circuit on these room 100 1 sides, be installed with a magnetic plug 12 on this circuit board 11, these magnetic plug 12 central authorities are provided with a perforation 120.Stator 13 is made by the ferronickel sheet with magnetic conduction function and slightly is rectangular shaped as frame lamellar body, outside forming one, these stator 13 central authorities are provided with the elongated slot 131 of openend 130, one side of stator 13 can be inserted in the perforation 120 by this magnetic plug 12, makes magnetic plug 12 set firmly a side of what stator 13.Accessory plate 14 is also made by the ferronickel sheet, by openend 130 both sides of solid welding or riveted joint what stator 13 elongated slots 131, so that 13 one-tenth one sealings of stator road.Motor rotor 15 is provided with what stator 13 elongated slots 131 near in the openend 130, which is provided with a rotor gear 150.Opposite side at room 100 has installed a fixed head 16, on the end face of this fixed head 16, be provided with a pivot groove 160 to be installed in rotor 15, and be equipped with several mesh in twos and with above-mentioned rotor gear 150 gear set 17 of bridle joint mutually, and be respectively arranged with hour hands, minute hand and second hand on this gear set 17 of what.Upper shell 18 can corresponding cover with lower house 10 mutually.

When this quartz clock movement 1 what uses, but control circuit on the mat battery activation circuit plate 11 and magnetic plug 12, control with quartz (controlled) oscillator on the circuit board 11 and IC element, produce the pulsating wave that the positive negative sense cycle changes in per schedule time of what, this magnetic plug 12 is produced contain polarity N, the variation of S, and stator 13 also is subjected to induction to produce pole change, make in the magnetic field of the motor rotor 15 what interlace conversion that include permanent magnet, can be driven in rotation by set rate, and, cause hour hands by 150 drives of the gear on the rotor 15 and its meshed gears group 17 rotations, minute hand and second hand are by its fixed rate turn.And the potential pulse ripple input that the positive negative sense cycle that the controlled circuit of lead of working as magnetic plug 12 is produced changes, and when changing size of current and direction, just in the magnetic plug 12 inside and outside changes of magnetic field that produce, this magnetic field can make the stator 13 of the magnetic conduction substance formation that runs through therebetween be responded to the magnetic pole that produces mutual conversion.But the stator ability mat magnetic force of mutual conversion magnetic pole is arranged, and repulsion rotor 15 makes its rotation.

It is one-body molded that the structure of above-mentioned quartz clock movement stator belongs to what, when changing the variation of stator 13 magnetic, the consume (claiming iron loss) of vortex flow is arranged by the relation of what electromagnetic induction electromotive force, and vortex flow produces the top layer of what by the magnetic field vertical cross-section of stator 13, and this consume causes power, waste of electric energy.Promptly produce the energy of electric current, need to make in the stator 13 magnetic conduction substances produce magnetic moments and change, and then make the dual-side of stator 13 that the change of N, S magnetic pole be arranged by the energy conversion mode that changes magnetic field because of input magnetic plug 12 leads.And magnetic moment change procedure in this stator 13, because of electromagnetic induction produces back electromotive force, and the vertical cross-section top layer that can pass through in magnetic field produces the energy loss of vortex flow.So magnetic conduction substance must adopt the material (as the nickel steel sheet) with high magnetic capacity and low eddy current loss to constitute stator 13.And the method that reduces the vortex flow loss is the resistance that increases the vortex flow loop, just use the magnetic conduction substance of composite wafer to combine stator, so that the loop stroke of vortex flow increases, reduce the vortex flow value to strengthen resistance, and then the power of the what vortex flow that cuts the waste.Constitute the stator structure of lamination type in multi-level mode,, desire assembly one by one and go in the composition of crystal clock fine parts, also quite bother in its assembling process though can reduce the consume that vortex flow causes electric energy.And if each stator thin slice is with adhesive means combination in advance, then must consider in the space limited in magnetic plug 12, the thickness of each stator thin slice combination Hou should can have enough magnetic force to promote rotor 15 rotations magnetization Hou, so adhesive agent will account for thickness less as far as possible, and cemented each stator thin slice of energy, and essential consider in each spare part combination manufacture process of clock or use, do not agree with because of thermal distortion causes assembling because of vibrations or adhesive agent between each stator thin slice.If to add the mode of frame, then may not necessarily make up well, and increase the additional parts space in conjunction with each stator thin slice.

Fundamental purpose of the present utility model provides a kind of at what and reduces the loss that vortex flow causes power, electric energy, and the quartz clock movement stator of ease of assembly.

Principal feature of the present utility model is, this quartz clock movement stator constitutes in the stacked mode of multilayer rectangle lamellar body and the shrinkage pool that forms during in advance with the punching press of impact style mat what corresponds to each other will be consolidated into one with each stator piece fit of jog close-fitting.

The technical scheme that realizes above-mentioned purpose is: a kind of quartz clock movement stator, it is by the made rectangle thin slice body of permeability magnetic material, has an enough thickness, so that the magnetic force that enough promotion rotors are arranged by the magnetic field magnetisation Hou that coil produces, central authorities are provided with an elongated slot, one end forms open breach, coil is to be inserted in by this elongated slot, one side of installing what stator, and the indentation, there of open end forms an annular groove to be installed in rotor, this stator includes one first stator piece and one second stator piece at least, be formed with most first group of shrinkage pool that is washed into through punch steps on this first stator piece, on this first stator piece of the stacked what of this second stator piece, be formed with second group of shrinkage pool on it to should first group of shrinkage pool and being washed into through punch steps, position under this this second group of shrinkage pool of second stator piece position what has partly the zone and is squeezed in the what punching course in the first group of shrinkage pool that is absorbed in this first stator piece and in first group of shrinkage pool of packing jam what, each stator piece is fixed in twos be integral.That is to say, this stator is that punching press is stacked and be consolidated into one one by one with impact style by several layers of rectangle lamellar body, its impact style partly squeezes and is absorbed in next lamellasome packing jam what in the shrinkage pool that last punch steps is washed into and wherein each lamellar body is fixed in twos be integral in the zone for one by one the punching press of last layer lamellar body being made it.

Below by most preferred embodiment and accompanying drawing Quartz clock movement stator of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is existing quartz clock movement three-dimensional exploded view;

Fig. 2 is the quartzy three-dimensional exploded view of planting the preferred embodiment of movement stator of the utility model;

Fig. 3 is the three-dimensional combination figure of the utility model preferred embodiment;

Fig. 4 be the utility model preferred embodiment vertical view; And

Fig. 5 is the local amplification view that dissects along Fig. 4 line " I-I ".

The utility model can be assembled in the general quartz clock movement of what, and this Quartz clock movement is mainly constructed with identical in the past, and this does not repeat what.Shown in Fig. 2～5, this stator is to be placed by Lee's magnetic conduction substance such as ferronickel thin slice overlaid, and with punch process, make it be consolidated into one, its punching course is: first stator piece 2 is gone out first group through punch steps connect

shrinkage pool

21,22,23,24, and with on this first stator piece 2 of second stator piece, 3 stacked whats, first group of shrinkage pool 21 of corresponding what, 22,23, the punching press once more of 24 positions, be washed into second group of

shrinkage pool

31,32,33,34, but for the second time punching stroke be the first time punching stroke half, punching press does not for the second time just run through second stator piece 3, make this second group of shrinkage pool 31 of 3 whats of its second stator piece, 32,33, position 311 under 34,321,331,341, having partly, the zone is connected shrinkage pool 21 by crowded first group of being absorbed in the first corresponding stator piece 2 in the what punching course, 22,23, in 24 positions and the packing jam is lived, be absorbed in down 1/2 thickness place of one deck stator piece 2 and be consolidated into one by the part zone of last layer stator piece 3.This first and

second stator piece

2,3 is provided with perforation 41,42, is stator assembly hole and mutually neat overlap corresponding with circuit board.The utility model constitutes its specific punching press combined structure with impact style, does not only increase the part space, and driving fit in advance is consolidated into one in order to assembly, the identical appearance structure is arranged and have the effect that reduces the vortex flow loss simultaneously with integrally formed stator.

From the above, the utility model is by the vortex flow that reduces the magnetic flux cross section top layer that produces what stator 13 in the stacked mode of multilayer rectangle lamellar body, to reduce the electric energy consume, and superimposed in advance each the rectangular pieces body of can punching press formed particular combination structure forms stator, its firm combination and can simplify the assembly program.

Claims

1. a quartz clock movement stator is that central authorities are provided with an elongated slot by the made rectangle thin slice body of permeability magnetic material, and this elongated slot one end forms open breach, and forms an annular groove in this indentation, there, it is characterized in that,

This stator comprises one first stator piece and one second stator piece at least;

Be formed with first group of shrinkage pool that several are washed into through punch steps on first stator piece;

On stacked what first stator piece of second stator piece, be formed with corresponding first group of shrinkage pool on it, the second group of shrinkage pool that is washed into through punch steps, position under second group of shrinkage pool of the second stator piece position what, have partly regional being squeezed in the what punching course and be absorbed in first group of shrinkage pool of first stator piece, and in first group of shrinkage pool of packing jam what.

2. quartz clock movement stator as claimed in claim 1, its characteristic be,

This first group of shrinkage pool is the through hole that connects first stator piece.