CN2335171Y - Stack type desk clock movement - Google Patents

Abstract

The utility model relates to a stack type desk clock movement which comprises a body, a gear set and a printed circuit board, wherein the body can be designed into a multi-layer type spatial structure; the gear set comprises large-sized gears for the clock movement to use and is arranged on the upper layer position of the body; the printed circuit board is provided with a motor coil and is arranged on the other layer position of the body. The outer surface of the body can be provided with an alarm clock regulating ring, and inner toothed rings are arranged in the alarm clock regulating ring, wherein an upper cam arranged on the alarm clock regulating ring is meshed with an alarm clock setting wheel of the gear set. The clock movement structure is improved to be designed into a two-layer type stack structure, which can reduce the whole diameter of the utility model. The utility model still uses a pointer gear set of the existing clock movement without redesign, and has the efficiencies of easy production and low cost.

Description

Stack desk clock movement

The utility model relates to a kind of movement of instrument field motor machine clock and watch, particularly relate to a kind ofly must the higher watch core problem of use cost can provide a kind of and can be applicable to desk clock for solving existing small-sized desk clock, for the stack desk clock movement with low-cost clock core of replacement watch core.

The employed movement of desk clock now, can be divided into clock movement (being designated hereinafter simply as Zhong Xin) and two kinds of timepiece movements (being designated hereinafter simply as watch core) by the size of movement, Zhong Xin is because the design size of gear and associated components is more unrestricted, manufacturing cost is comparatively cheap, yet clock core diameter and the volume designed are bigger, so be only applicable to the bigger desk clock of general wall clock and profile, but desk clock for small and exquisite pattern, only can use the little and thin watch core of size, it is right because every structure of watch core is tiny, therefore relative manufacturing cost is comparatively expensive, and this promptly causes the cost of small-sized desk clock high.The design's human desires provides a kind of suitable technical solution, must use the restriction of watch core to solve above-mentioned small-sized desk clock, and following promptly as follows with regard to the tectonic analysis of existing clock core and watch core.

See also Fig. 1, shown in Figure 2, be respectively the structural representation of rectangle and ring clock core, place, back side formation at clock core body 90 is provided with battery 91, quarter-bell button 98 and timing button 97, and inside is formed with motor coil 92, pointer gear group 93 members such as grade, this 93 of pointer gear group that are evagination can supply the fit second hand, minute hand, hour hands and quarter-bell pointer and form clock hand, and the configuration relation of its each pointer gear group 93 and other parts, also as described above shown in Fig. 2 C, below body 90, be configuration motor coil 92, and borrow drives the pointer gear group 93 with a plurality of gears formations that is configured in body 90 middle positions in the motor wheel 94 that motor coil 92 omits the top position, reach the effect of instruction time, battery 91 and quarter-bell hummer 96 that the clock core is required then are configured in peripheral position, even also the pointer gear group concentrates on the SMIS position, and the motor coil 92 that takes up space, battery 91 and hummer 96 are the plane display mode that is configured in pointer gear group 93 peripheral position, therefore the surface area that takies is bigger, and above-mentioned Fig. 1, the rectangle of Fig. 2 or circular clock core then can be designed to form complete desk clock according to this in the pedestal 900 formed grooves 901 that are sleeved on as the frame type of Fig. 3 A and Fig. 3 B or ball-type desk clock.

And the practical structures of the pointer gear group 93 of aforementioned clock core as shown in Figure 4, this motor wheel 94 generally all is designed to per second and rotates 0.5 circle, behind second front-wheel 95 decelerations 1/30 (1/5 * 1/6), drive second wheel 81 again, 81 of second wheels drive minute wheel 82 by branch front-wheel 84 decelerations 1/60 (1/8 * 1/7.5) successively, again through the time front-wheel 85 1/12 (1/4 * 1/3) of slowing down again, produce the effect of rotating a circle in per 12 hours and drive hour wheel 83, the time front-wheel 85 a side then be meshed with the gear of timing button 97 (for the adjustment time with), above aforementioned second wheel 81, also be provided with a demarcation strip 841, for the pressure that bears the top, to avoid causing second wheel 81 improper loads, and on the structure of quarter-bell, one quarter-bell then is set above hour wheel 83 sets wheel 87, this hour wheel 83 and quarter-bell set wheel 87 respectively with the figure right side of face on, on superimposed down, following cam 88,89 are meshed.The detailed construction of this two cam 88,89 such as Fig. 5, shown in Figure 6, be formed with several corresponding projection 881 and grooves 890 respectively, then be meshed in overhead cam 88 1 sides, drive quarter-bell for adjusting this quarter-bell button 98 and set wheel 87 and rotate with gear on the quarter-bell button 98; Moreover, the below of following cam 89 is resisted against one and is arranged on the sheet metal 892 of printed circuit board (PCB) 891, when quarter-bell pointer and hour hands during not at a linear position, then be shown in Fig. 7 A, by cam 89 down sheet metal 892 is backed down downwards, and unlikelyly contact with the quarter-bell contact 893 that is positioned at the one side, and when two hands coincide, for shown in Fig. 7 B, following cam 89 rises, sheet metal 892 is contacted, so can produce the quarter-bell sound by connecting hummer 96 with quarter-bell contact 893.

And its apparent size of present watch core all is controlled in 30mm (diameter) * 4mm (thickness), profile as shown in Figure 8, the configuration structure kenel of its inner structure is identical with aforementioned clock core, also be in central configuration pointer gear group 93, the periphery is also for using the plane distribution frame mode, be respectively arranged with motor coil 92, battery 91 and other peripheral elements etc., but the part that is to use is both little and thin, the precision requirement of size is very high, so its manufacturing cost is high a lot of far beyond the clock core, and as Fig. 1, the size of Zhong Xin shown in Figure 2 is about 56 * 56 * 16mm and 50mm (diameter) * 8mm (thickness), therefore, on reality is used, if the diameter of movement trepanning is less than 35mm when following, have to use the comparatively watch core of costliness of price, the burden that obviously causes manufacturing cost to increase.The fine gear of currently used high price is existing watch core gear, and these existing its data of watch core gear are shown in following table one:

The watch core gear data example of table one, φ 30mm

The gear title	Pinion/ Gear	Modulus (mm)	The number of teeth	Program diameter (mm)	Centre distance (mm)
						Motor wheel	Pinion	0.06	8	0.48	1.44
Second front-wheel	Gear	0.06	40	2.4
					Pinion	0.06	8	0.48	1.68
	Second wheel	Gear	0.06	48						2.88
Pinion					0.055	8	0.44	1.98
		Divide front-wheel	Gear	0.055					64	3.52
Pinion	0.0582				8	0.4656	1.98
			Minute wheel	Gear				0.0582	60	3.492
Pinion	0.0825	12			0.99	1.98
				The time front-wheel			Gear	0.0825	36	2.97
Pinion	0.099	8	0.792		1.98
						Hour wheel	Gear	0.099	32	3.168

The precision requirement of above-mentioned accessory size is very high, and its manufacturing cost is high a lot of far beyond the clock core, uses the comparatively expensive watch core of price, must cause manufacturing cost to greatly increase.So the design people is comparatively high in view of the watch core cost, desire proposes one can narrow down to diameter 35mm with interior Zhong Xin, to be adapted to small-sized desk clock.

This shows that the employed movement of above-mentioned existing desk clock still has many defectives, and the assistant officer waits to be improved.The design people is based on abundant practical experience and professional knowledge, through constantly studying, design, and after studying sample repeatedly and improving, creates the utility model finally.

Fundamental purpose of the present utility model is, overcome the defective that existing desk clock movement exists, and provide a kind of stack desk clock movement of new structure, make it be mainly utilization two-layer stratigraphic structure design tactics, make the existing structure of clock core divide into upper and lower two-layer, in upper-layer configured pointer gear group, and lower floor is configuration circuit plate, battery, motor coil and hummer etc., and forms a kind of clock cored structure that dwindles pattern.

Another purpose of the present utility model is, a kind of stack desk clock movement is provided, make the gear set of aforementioned use be the various gears of the large-size of continuing to use Zhong Xin, and need not to adopt the fine gear of high price as shown in Table 1, and have the effect of remarkable reduction manufacturing cost.

The purpose of this utility model is realized by following technical scheme.A kind of stack desk clock movement according to the utility model proposes is characterized in that it comprises: a body, for design is distinguished into the multiple field space structure; One gear set, it is the gear of the large-size of use clock movement, and is arranged on the position, upper strata of body; One in conjunction with the printed circuit board (PCB) that is provided with motor coil, and it is configured in another layer position of body.

The purpose of this utility model can also further realize by following technical measures.Aforesaid stack desk clock movement, its outside surface configuration of wherein said body is provided with a quarter-bell adjustment ring, and the inside of this quarter-bell adjustment ring forms and is provided with internal gear, and is meshed with the quarter-bell setting wheel of gear set by being provided with overhead cam.

The utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the utility model is a kind of structure that makes the bigger clock movement of conventional diameter change into the minor diameter specification that is same as watch core, it mainly is the design tactics by two-layer stratigraphic structure, make the existing structure of clock core divide into, two-layer down, the pointer gear group is set on the upper strata, in lower floor then is the configuration circuit plate, battery, motor coil and hummer etc., not only make diameter can reach the structure miniaturization effect of watch core, and its inner element also can be continued to use the clock core element, forms a kind of structure miniaturization that reaches watch core and the cost desk clock movement cheap than watch core.The gear set of its use is the various gears of the large-size of continuing to use Zhong Xin, and need not to adopt the fine gear of high price, and has the effect of remarkable reduction manufacturing cost.

In sum, the utility model is designed to the structure that two-layer equation piles up with the structure improvement of clock core dexterously, not only can dwindle integral diameter, and more can continue to use the pointer gear group of existing clock core, therefore need not redesign, have and be easy to make and characteristic with low cost.No matter it structurally or bigger improvement is all arranged on the function, and produced handy and practical effect, and have the effect of enhancement really, thereby be suitable for practicality more, really is a new and innovative, progressive, practical new design.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Figure 1A is the structure schematic rear view of existing rectangle clock core.

Figure 1B is the structure side cut-open view of existing rectangle clock core.

Fig. 1 C is the structure front schematic view of existing rectangle clock core.

Fig. 2 A is the structure schematic rear view of existing ring clock core.

Fig. 2 B is the structure side cut-open view of existing ring clock core.

Fig. 2 C is the structure front schematic view of existing ring clock core.

Fig. 3 A, Fig. 3 B are the structural representations of existing frame type and ball-type desk clock.

Fig. 4 is the inner structure cut-open view of existing clock core.

Fig. 5 A is the structure cut-open view of existing overhead cam.

Fig. 5 B is the structure side view of existing overhead cam.

Fig. 6 A is the existing structure cut-open view of cam down.

Fig. 6 B is the existing structure side view of cam down.

Fig. 7 A is the upper and lower cam movement structure synoptic diagram when separating.

Fig. 7 B be upper and lower cam in conjunction with the time the movement structure synoptic diagram.

Fig. 8 A, Fig. 8 B are the structural representations of existing watch core.

Fig. 9 is a cross-sectional schematic of the present utility model.

Figure 10 is a structure schematic rear view of the present utility model.

Figure 11 is a structure cross-sectional schematic of the present utility model.

Figure 12 is a structure front elevational schematic of the present utility model.

The structure front schematic view of Figure 13 after to be the utility model with the loam cake of Figure 11 unload.

Figure 14 is a structure cut-open view of the present utility model.

Figure 15 is a part-structure cut-open view of the present utility model.

Figure 16 is the structure cut-open view of motor of the present utility model position A-A section in Fig. 9.

Figure 17 is the structure cut-open view of motor drive shaft of the present utility model position B-B section in Fig. 9.

Figure 18, Figure 19, Figure 20 are the structural representations of printed circuit board (PCB) of the present utility model.

Figure 21, Figure 22 are example structure synoptic diagram of the present utility model.

Below in conjunction with accompanying drawing and preferred embodiment, to according to its concrete structure of stack desk clock movement, feature and the effect thereof that the utility model proposes, describe in detail as after.

See also Figure 11, shown in Figure 12, the size that the utility model stack desk clock movement mainly is intended to dwindle Zhong Xin, and under the prerequisite of not dwindling inner each gear, reach the effect that makes the miniaturization of watch core structure, that is, the utility model stack desk clock movement, before its body 10 designs are divided into, back two parts, this first half formative gear case 20, later half part then is provided with battery 14, motor coil 30, circuit board 40, the back side is provided with bottom 50 sealings, the front then is provided with loam cake 11, pointer and well-illuminated film 13, and be provided with one for the quarter-bell adjustment ring 12 of adjusting the quarter-bell time in positive peripheral position formation, so, can be by this two-layer stratigraphic structure design, the reduced that makes Zhong Xin is to 30mm.See also following table two and be depicted as clock core gear data area commonly used:

The clock core gear data example of table two, φ 50mm

The gear title	Pinion/ Gear	Modulus (mm)	The number of teeth	Pitch diameter (mm)	Centre distance (mm)
						Motor wheel	Pinion	0.2	8	1.6	4.8
Second front-wheel	Gear	0.2	40	8
					Pinion	0.2	8	1.6	5.7
	Second wheel	Gear	0.2	48						9.6
Pinion					0.16	8	1.28	5.84
		Divide front-wheel	Gear	0.16					64	10.24
Pinion	0.1694				8	1.355	5.84
			Minute wheel	Gear				0.1694	60	10.164
Pinion	0.24	12			2.88	5.84
				The time front-wheel			Gear	0.24	36	8.64
Pinion	0.256	9	2.304		5.84
						Hour wheel	Gear	0.256	36	9.216
The timing wheel	Pinion	0.24	18	4.32							6.48

Annotate: said gear can be included in the φ 30mm diameter range after suitably arranging.

By the design of the utility model two-layer stratigraphic structure, make the diameter of Zhong Xin can be contracted to 30mm.The clock core gear of using always shown in above-mentioned table two really can be inserted in the 30mm, though thickness increases, unlikely having any impact in a lot of application scenarios sees also and be an example shown in Fig. 3 B.

See also shown in Figure 13, it shows the front view (FV) that the loam cake 11 with Figure 11 unloads, wherein, this motor wheel 22, second front-wheel 271, pointer gear group 272, the time/size of parts such as minute front-wheel 29, timing wheel 24, overhead cam 23 is identical with each gear of existing clock core, unique change be that the quarter-bell of the existing clock core of cancellation is adjusted button, and with its structural change for to adjust ring 12 structures of carrying out the setting of quarter-bell adjustment point as the aforementioned, the loam cake 11 that several screw bearings 21 of being arranged in Figure 13 peripheral position supply in conjunction with Figure 11 is set;

See also shown in Figure 10, the surface of bottom 50 is provided with a battery cover 15, timing button 31, quarter-bell sound outlet 54 and quarter-bell switch setting button 49 for forming, can adjust, change battery, set the quarter-bell keying and send the quarter-bell sound by the back side time of carrying out by the back side, after this bottom 50 pulled down, then as shown in Figure 9, for below printed circuit board (PCB) 40, disposing motor coil 30, and battery 14 can be set at upper side slightly.

Please cooperate and consult Figure 14, shown in Figure 15, it is formed with ring-type annular wheel 16 at root edge the aforementioned quarter-bell adjustment ring that is positioned at body 10 outmost surface peripheral position 12, and abut against in body 10 formed annular grooves 17, it can be rotated freely, this ring-type annular wheel 16 is meshed with overhead cam 23, and transmission drives quarter-bell setting wheel 87 rotations that are positioned at central authorities, the top position of the ring-type annular wheel 16 that is arranged on quarter-bell adjustment ring 12 and loam cake 11 reclines, and combine with the screw bearing 21 of body 10 inside by screw 18, its not only can keep supplying cover 11 fixing, and also can prevent that quarter-bell adjustment ring 12 from coming off, and the hour wheel 83 of pointer gear group, minute wheel 82, second wheel 81, the size and the relative structural relation of cam 231 gears such as grade were all identical with existing clock cored structure under overhead cam 23 reached, and for front-wheel second, divide front-wheel and the time front-wheel also all be same as the configuration structure mode of existing clock core shown in Fig. 4, only be that the drawing angular relationship is not given expression, it also is provided with demarcation strip 19 and isolates between minute wheel 82 and second wheel 81.

Be arranged at the motor coil 30 of body 10 lower floor positions, its practical structure can cooperate consults Figure 16 (being the A-A cut-open view of Fig. 9) and shown in Figure 9, it is provided with an inner stator 25 and an external stator 26, between this inner stator 25 and external stator 26, lock screw bearing 72 with screw 27,73, with this clamping motor coil 30, and by external stator 26 places of extending towards the left side among Figure 16 motor wheel 22 is set by this, the bottom of this motor wheel 22 is for being resisted against on the motor drive shaft bearing 28, can cooperate consult Figure 17 (being B-B cut-open view among Fig. 9) corresponding to shown in the cut-open view of these motor drive shaft bearing 28 fore-and-aft directions, this external stator 26 is by two interior fulcrums 74 of body 10 inside, 75 are fixed, and be provided with two columns 76 with formation, 77 motor drive shaft bearing 28 phase fits, these two columns 76,77 run through printed circuit board (PCB) 40, and fit is provided with as shown in figure 14 power spring 52 respectively, and be provided with the Copper Foil contact that drives hummer in the position formation that printed circuit board (PCB) 40 is in contact with one another for power spring 52, thereby contact by two electrodes of two power springs 52 with the piezoelectric type structure hummer 51 that is combined in bottom 50 inner face positions, can set up the connecting structure relation between hummer 51 and the circuit board 40, the sound that hummer 51 produces, then the quarter-bell sound outlet 54 that is positioned at bottom 50 corresponding positions by setting spreads out of outwardly, and among Figure 14 this printed circuit board (PCB) 40 just corresponding to battery 14, also weld and be provided with positive guide plate 413 of battery and the negative guide plate 414 of battery at the negative pole place, so that supply voltage is added on the printed circuit board (PCB) 40, more on circuit board 40, be connected with a metal clips 411 and Metal Contact sheet 412, the quarter-bell action connection point that formation can open and close for following cam 231 liftings.

Other is positioned at the outstanding quarter-bell of Figure 14 lower left outwardly and sets button 49, for corresponding on the switch shrapnel 44 that is arranged on printed circuit board (PCB) 40 bottom surfaces, it is to be positioned at the below of printed circuit board (PCB) 40 design drawings as shown in figure 18 and relative position as shown in figure 20, can be when stirring this quarter-bell setting button 49, the decision quarter-bell opens and closes, be provided with can be for holding the circular hole 41 of battery and other positions of printed circuit board (PCB) 40 shown in Figure 180 form respectively, the circular hole 47 that supplies the timing button to stretch through, for the hole 42 that holds motor coil, fixing two circular holes 43 of external stator 26 for screw 27 among Figure 16 passes, for two columns 76 among Figure 17,77 circular holes that pass 45,46, contact 48 for weld metal shell fragment 411, with contact 481 for weld metal contact chip 412, and the quartz (controlled) oscillator 483 (its side view as shown in figure 19) that is provided with circular controller (IC) that encapsulates 482 and tubulose in surface configuration.The prior art products that this controller (IC) 482 knows for those of ordinary skill is so repeat no more.

Aforesaid quarter-bell is set button 49, it is for being provided with the structure kenel that is positioned at body 10 bottom surfaces, yet also can be re-established as Figure 21, shown in Figure 22, the utility model is sleeved in hour shell 60 the opening 63, and be arranged at the quarter-bell switch 491 that extends at shell 60 places down by one and driven, this structure also can reach the effect by outside surface control, and be provided with sound hole 61 and be provided with the sound channel 62 of extension up at shell 60 for forming in body 10 bottoms one side, spread out of so that be arranged at the sound of inner hummer generation, in addition, the back side of shell 60 forms and is provided with opening 63, so that adjustment time and replacing battery.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims (2)

1, a kind of stack desk clock movement is characterized in that it comprises:

One body is for design is distinguished into the multiple field space structure;

One gear set, it is the gear of the large-size of clock movement, and is arranged on the position, upper strata of body;

One in conjunction with the printed circuit board (PCB) that is provided with motor coil, and it is configured in another layer position of body.

2, stack desk clock movement according to claim 1, it is characterized in that its outside surface configuration of wherein said body is provided with a quarter-bell adjustment ring, the inside of this quarter-bell adjustment ring forms and is provided with internal gear, and is provided with overhead cam and sets to take turns with the quarter-bell of gear set and be meshed.

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