CN101266457B

CN101266457B - Quartzcrystal watch movement

Info

Publication number: CN101266457B
Application number: CN200810093869XA
Authority: CN
Inventors: 林祥平
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-30
Filing date: 2008-04-30
Publication date: 2010-09-08
Anticipated expiration: 2028-04-30
Also published as: CN101266457A

Abstract

The invention discloses a quartz watch movement, which includes a clutching pressure spring. The end-face of the clutching pressure spring presses on the positive pole baseline of the circuit board, one end of the clutching pressure spring extends along the direction of other side of the handsetting stem and thrills through a gap between the handsetting stem end and an idler to form a control spring, the end of the control spring bends to the minute direction and is installed with a sliding block of the third wheel, and the sliding block is movably mounted on the main plate; a second-stopping contact is provided at the other side opposite to the minute on the movement circuit board; the other end of the clutching pressure spring extends along the direction of battery on the movement to stick on the positive pole of the battery to form a positive pole spring, a locating structure is also provided on the main plate to support the positive pole spring in order to ensure that the control spring oscillates towards the disconnection direction of the third wheel and the minute under the elastic reaction of the clutching pressure spring, and the locating structure can contact with the second-stopping contact; when the handsetting stem is at the advance time walking position, the handsetting stem end thrilling through the handsetting wheel pulls inside the control spring to allow the control spring to oscillate towards the minute direction to reach a position where the third wheel and minute are exactly engaged in time walk. The movement has a compact conformation.

Description

Quartzcrystal watch movement

Technical field

The present invention relates to a kind of quartzy watch movement, is the second hand stop time-setting mechanism of Quartzcrystal watch movement specifically.

Background technology

The movement of quartz watch is made up of the motor, circuit board, crystal resonator and the arbor that are contained in train between bottom plate, the train wheel bridge and drive train and clutch part etc., crystal resonator drives by circuit board and the control motor running, when by motor drive train indicator being walked.The time error of walking of clock and watch acquires a certain degree when needing timing, utilizes the time-setting mechanism time of carrying out to adjust.At this moment, by arbor is outwards extracted certain-length, make the engagement of arbor and transmission wheel, utilize the arbor turning set to rotate minute wheel adjustment pointer position at the transmission wheel of arbor end and by back gear, when arbor is pulled out timing, also will control trip(ping) lever third wheel is separated with minute wheel with minimizing timing resistance, and a post contacted only second second with only also to utilize arbor to control anodal spring simultaneously by arbor.

Present trip(ping) lever is generally the sheet metal with definite shape, or by having certain flexible tinsel coiled.The arrangement of clutch of a kind of electronic pointer type timepiece movement of the disclosed inventor's design of Chinese patent literature CN200969033Y, employing is by the clutch spring of steel wire coiled, the clutch spring comprises the control spring part that helically wound clutch stage clip part and clutch stage clip one end stretch out and form, the control spring is across in the control of the annular together groove on arbor, this control spring end is equipped with the slide block that is used to stir third wheel, and the clutch stage clip is fixed on the movement clamping plate by reference column.Also needing a stopping-second spring simultaneously is used for ending second simultaneously by arbor control equally.But, this clutch spring is because the control spring partly is the annular control flume that passes on the arbor, utilize the cell wall of annular control flume to push away inwards or outwards to close spring to realize control to third wheel, but also the control flume of controlling stopping-second spring on stopping-second spring and the arbor to be set, not only make the structure, complex-shaped of arbor, and the machining precision of the annular control flume on the arbor is higher, increased the processing cost of arbor, and, also make the cargo handling process of arbor become complicated because the clutch spring is to be pressed in the annular control flume of arbor.Simultaneously, control spring in the clutch spring is that to be positioned at the transmission wheel outside far away from train, in order to realize control to third wheel, therefore it is longer to control spring, add again and also need stopping-second spring, so cassette mechanism structure is comparatively complicated, be unfavorable for assembling and arrange, also making simultaneously needs to adopt less crystal resonator to take up room to reduce it, for example exists

On the movement of specification, what adopt usually is the crystal resonator of 2.0mm * 6.0mm, but this little crystal resonator price with respect to the crystal resonator of 3.0mm * 8.0mm is higher, has increased the cost of movement.And, can't satisfy the installation requirement of 3.0mm * 8.0mm crystal resonator according to the layout of present movement time-setting mechanism.

Summary of the invention

Purpose of the present invention just is the high and loading and unloading challenge of arbor processing cost at the clutch structure generation of existing accutron movement, and a solution is provided.

The present invention adopts following technical scheme: a kind of Quartzcrystal watch movement, comprise the train that is contained between bottom plate and the train wheel bridge, and arbor and clutch spring, the clutch spring comprises the spiral helicine clutch stage clip that is set on the bottom plate reference column, clutch stage clip end face is pressed on the anodal baseline of movement circuit plate, clutch stage clip one end passes formation control spring to described arbor opposite side direction extension and the gap in the middle of arbor end and back gear, control spring end is to the bending of minute wheel direction and the slide block that third wheel is installed is housed, and slide block is movably arranged on the bottom plate; On the movement circuit plate, be positioned at the opposite side relative and be provided with an only second contact with minute wheel; The clutch stage clip other end extends to the direction of battery on the movement and forms anodal spring on the positive pole that is attached to battery, be against on the anodal spring guaranteeing under clutch spring elastic reaction the control spring also being provided with a position limiting structure on the bottom plate, and can contact with the described second contact of ending to the direction swing that third wheel and minute wheel are thrown off; When arbor was in when advance the position, the arbor end of passing transmission wheel pushed inward the control spring and makes the position of control spring when the swing of minute wheel direction reaches third wheel and minute wheel and just in time meshes away.

This Quartzcrystal watch movement of the present invention adopts a clutch spring can realize controlling the clutch of third wheel and minute wheel and ending second, and the control spring is the position between arbor and minute wheel, near train, compact conformation and its need be the promotions of leaning on the arbor end walking constantly, need be on arbor the machining control groove, not only make rationally distributed, the compact conformation, simple of whole movement, and the structure of arbor and shape are also simplified, be convenient to assembling and reduce the movement cost.Owing to compact conformation, the clutch spring makes the space of movement edge installation crystal resonator more abundant more near train, also can create conditions for using bigger crystal resonator, to reduce the movement cost simultaneously.

Description of drawings

Fig. 1 is Quartzcrystal watch movement of the present invention floor plan under the state when walking.

Fig. 2 is Quartzcrystal watch movement shown in Figure 1 third wheel and slide position synoptic diagram under the state when walking.

Fig. 3 is for walking arbor and the position view of controlling spring constantly.

Fig. 4 is at the position view of walking to control constantly spring and stopping-second spring.

Fig. 5 is the floor plan of Quartzcrystal watch movement of the present invention under the timing state.

Fig. 6 is Quartzcrystal watch movement third wheel and slide position synoptic diagram under the timing state shown in Figure 5.

Fig. 7 is an arbor and the position view of controlling spring when timing.

Fig. 8 is a position view of controlling spring and stopping-second spring when timing.

Fig. 9 is the plane of arrangement figure of crystal resonator in movement.

The locus synoptic diagram of Figure 10 crystal resonator and wiring board.

Figure 11 is the mode of connection synoptic diagram of crystal resonator and wiring board.

Figure 12 draws catch spring to withhold the planimetric map of sheet.

Figure 13 draws catch spring to withhold the mounting means synoptic diagram of sheet and movement bottom plate.

Figure 14 is that the A of Figure 13 is to partial view.

Figure 15 draws the retaining and the position of arbor to concern synoptic diagram.

Embodiment

The invention will be further described below in conjunction with the drawings and specific embodiments, to help understanding content of the present invention.

As Fig. 2 and shown in Figure 6, between bottom plate 1 and train wheel bridge 14, the train that is made of second wheel, power wheel, third wheel, minute wheel, hour wheel etc. is housed.Simultaneously in conjunction with shown in the floor plan of Fig. 1 and Fig. 5, arbor 4 and clutch spring also are housed on bottom plate 1, the clutch spring is by the elastic wire coiled, comprise the spiral helicine clutch stage clip 3b that is set on the bottom plate reference column, clutch stage clip 3b end face is pressed on the anodal baseline 16b of circuit board 16 as shown in figure 11, clutch stage clip one end passes formation control spring 3c to extension of arbor 4 opposite side directions and the gap in the middle of arbor 4 ends and 7 teeth of back gear, control spring 3c end is to the bending of minute wheel 12 directions and the slide block 10 that third wheel 9 is installed is housed, slide block 10 is journaled on the bottom plate 1 by a slide block installation shaft 11, can axle installation shaft 11 pivot under the effect of control spring; Be provided with one equally by the end second contact of the helically wound stopping-second spring 8 of steel wire with the circuit board that constitutes in position between slide block 10 and transmission wheel 6 substantially at the control spring 3c opposite side relative with minute wheel 12, the stopping-second spring end face is pressed in ending on electrode baseline 16a second of circuit board 16 shown in Figure 11.The clutch stage clip 3b other end extends to the direction of battery on the movement 2 and forms anodal spring 3a on the positive pole that is attached to battery, be against on the anodal spring 3a to stop the clutch stage clip to rotate to protrusion direction also being provided with spacing preiection 1a on the bottom plate 1 around reference column, guarantee at Fig. 5 and Fig. 6, clutch spring elastic reaction made control spring 3c to rotating away from the minute wheel direction when arbor shown in Figure 74 was outwards pulled out timing, simultaneously also stirring slide block 10 outwards rotates, drive third wheel 9 lower ends and outwards swing, make third wheel 9 and minute wheel 12 move to the position of disengagement; And contact with the stopping-second spring 8 of circuit with making clutch spring 3c as shown in Figure 8, reach and end a second effect simultaneously.And as shown in figures 1 and 3, when arbor 4 is in when advance the position, the control spring was swung to minute wheel 12 directions after the end of passing the arbor 4 of transmission wheel 6 pushed inward and controls spring 3c, by slide block 10 third wheel 9 is moved to minute wheel 12 directions, the position that reaches is to make third wheel 9 and minute wheel 12 just in time mesh position when walking.Simultaneously as shown in Figure 4, in the progradation clutch spring 3c and stopping-second spring 8 are thrown off inwards at arbor 4, when walking when revolution is opened.

As Fig. 2 and shown in Figure 6, slide block 10 is provided with a draw-in groove, and control spring 3C is stuck in this draw-in groove.Like this after assembling is installed the clutch spring earlier during movement, as long as the axis hole of slide block 10 is relative with the slide block installation shaft 11 on the bottom plate, with draw-in groove and clutch spring to realizing quick assembling to pressing.Displacement for protection gear limits third wheel and slide block; prevent that third wheel and slide block 10 are excessive near minute wheel 12; corresponding minute wheel marginal position is provided with slide block stopper slot 1b on bottom plate 1, minute wheel 12 and third wheel 9 just position engaged slide block stopper slot 1b be resisted against and be used to stop that slide block is excessively close to minute wheel on slide block 10 edges.Except that this mounting means, the installation of slide block and spacingly can also adopt the mode shown in the CN200969033Y.

Clutch spring of the present invention not only has the effect of control third wheel and minute wheel clutch, and is also with ending second and the effect that contacts spring as anode, simple in structure simultaneously.By Fig. 1 and Fig. 5 as can be seen, and the more close train part in installation site, make this part structure of movement compact more, under same movement size condition, can vacate bigger space at the movement edge and be used to install crystal resonator.As Fig. 9 and shown in Figure 10, circuit board 16 be positioned at the above position of train and a through-hole inner surface being embedded on the train wheel bridge 14 concordant with train wheel bridge 14, circuit board 16 and minute wheel are overlapped so that it relies on train as far as possible, portion is provided with the crystal resonator groove on the movement limit, for

The movement of specification then can adopt the crystal resonator 15 of the lower 3.0mm * 8.0mm of price because such crystal resonator diameter is bigger, so circuit board 16 also part cover crystal resonator.By such layout type, the crystal resonator of 3.0mm * 8.0mm can be packed into like a cork

In the movement of specification, to reduce the movement cost.As shown in figure 11, the utmost point pin of crystal resonator 15 is put on from wiring board 16 bottoms and is welded.

Draw the fixing of shelves for ease of last lower plate and movement, as shown in figure 12, the sheet metal 14 that adopts a contour shape and bottom plate 1 to coincide forms and draws catch spring to withhold sheet, be provided with four to a lateral buckling and the rectangular button pin 14a in sheet metal 14 surfaces at sheet metal 14 periphery edges, button pin 14a protrudes to both sides the end and is the T font.As Fig. 1 and shown in Figure 5, correspondence position is provided with the groove 1a of T font on bottom plate 1 ambient side edge.As Figure 13 and shown in Figure 14, sheet metal 14 covers at train wheel bridge 13 outside surfaces, utilize its T font button pin 14a to be embedded in the T font groove corresponding on the bottom plate 1, train wheel bridge 13 and bottom plate 1 are fixedly clamped together, realize fast, assembling easily, sheet metal 14 is provided with a plurality of through holes, in the through hole on the train wheel bridge 13 on a plurality of projections insertion sheet metals of correspondence, preventing that train wheel bridge 13 and sheet metal 14 from relatively rotating, or groove is set on train wheel bridge 3 forms concavo-convex embedded structure in this groove so that sheet metal 14 is embedded in.The bottom plate of this mode movement and train wheel bridge do not need screw or riveted joint, as long as just can be assembled together to well sheet metal being depressed, have realized quick assembling.

As Figure 12 and shown in Figure 15, the position of corresponding arbor 4 at right angles forms one to the bending of arbor direction with the sheet metal surface and draws washer 14b on the sheet metal 14, draw washer 14b to be provided with the through hole that passes arbor 4, the arbor 4 that has two gears is through this and draws in the through hole on the washer 14b.This mode does not need to adopt independently draws a grade spring, has also simplified the structure of movement inside.Draw catch to be used to limit the position that arbor pulls out and advance and produce the gear feel.

As Figure 12 and shown in Figure 15, be pressed on the described train wheel bridge 13 also being provided with on the sheet metal 14 to the elastic layering 13c of train wheel bridge 13 direction bendings, utilize its elastic reaction to make its maintenance a downward acting force be arranged to train wheel bridge 13, so that train wheel bridge 13 compresses to bottom plate 1 direction, prevent to rock, its reacting force also makes the held stationary of metal 14 with respect to bottom plate 1 equally.

Claims

1. Quartzcrystal watch movement, comprise the train that is contained between bottom plate and the train wheel bridge, and arbor and clutch spring, the clutch spring comprises the spiral helicine clutch stage clip that is set on the bottom plate reference column, clutch stage clip end face is pressed on the anodal baseline of movement circuit plate, clutch stage clip one end passes formation control spring to described arbor opposite side direction extension and the gap in the middle of arbor end and back gear, control spring end is to the bending of minute wheel direction and the slide block that third wheel is installed is housed, and slide block is movably arranged on the bottom plate; On the movement circuit plate, be positioned at the control spring opposite side relative and be provided with an only second contact with minute wheel; The clutch stage clip other end extends to the direction of battery on the movement and forms anodal spring on the positive pole that is attached to battery, be against on the anodal spring also being provided with a position limiting structure on the bottom plate, guaranteeing under clutch spring elastic reaction the control spring to the direction swing that third wheel and minute wheel are thrown off, and the control spring can contact with the described second contact of ending; When arbor was in when advance the position, the arbor end of passing transmission wheel pushed inward the control spring, makes the control spring to the swing of minute wheel direction, the position when reaching third wheel and minute wheel and just in time meshing away.

2. Quartzcrystal watch movement as claimed in claim 1 is characterized in that: described control spring is to the bending of described minute wheel direction, and described slide block is provided with draw-in groove and is stuck in described control spring end, and slide block is journaled on the bottom plate by the installation shaft on the bottom plate.

3. Quartzcrystal watch movement as claimed in claim 2 is characterized in that: described slide block is provided with a draw-in groove, and described control spring is to be stuck in this draw-in groove.

4. Quartzcrystal watch movement as claimed in claim 3 is characterized in that: at described bottom plate, minute wheel and third wheel just position engaged be provided with the slide block stopper slot and be used to be resisted against shoe edge, be used to stop that slide block is excessively close to minute wheel.

5. as described Quartzcrystal watch movement one of in the claim 1 to 4, it is characterized in that: be positioned at position between slide block and transmission wheel at the control spring opposite side relative with minute wheel and be provided with one and form the described second contact of ending by the helically wound stopping-second spring of steel wire, the stopping-second spring end face is pressed in ending on second electrode baseline of movement circuit plate.

6. Quartzcrystal watch movement as claimed in claim 5 is characterized in that: also comprise crystal resonator, described crystal resonator is 3.0mm * 8.0mm crystal resonator.

7. Quartzcrystal watch movement as claimed in claim 6 is characterized in that: described circuit board is embedded in the through hole on the train wheel bridge, and circuit board one side and minute wheel are overlapped so that it relies on train as far as possible, and opposite side also part covers described crystal resonator.

8. as described Quartzcrystal watch movement one of in the claim 1 to 4, it is characterized in that: be stamped a contour shape and the identical sheet metal of bottom plate at the train wheel bridge outside surface, the sheet metal periphery edge be provided with at least four to the bottom plate direction crooked and with the sheet metal surface rectangular buckle pin, button foot portion protrudes to both sides and is the T font, correspondence position is provided with the groove of T font on bottom plate ambient side edge, T font button pin is embedded in the T font groove corresponding on the bottom plate on the sheet metal, and train wheel bridge and bottom plate are fixedly clamped together; Sheet metal is embedded in preventing by concavo-convex embedded structure with train wheel bridge and relatively rotates.

9. Quartzcrystal watch movement as claimed in claim 8, it is characterized in that: the position of corresponding arbor at right angles forms one to the bending of arbor direction with the sheet metal surface and draws washer on described sheet metal, draw washer to be provided with to pass the through hole of arbor, the arbor that has two gears is through this and draws in the through hole on the washer.

10. Quartzcrystal watch movement as claimed in claim 8 is characterized in that: be pressed on the described train wheel bridge at the elastic layering that also is provided with on the described sheet metal to the bending of described train wheel bridge direction.