CN201853654U

CN201853654U - Timer

Info

Publication number: CN201853654U
Application number: CN2010205689751U
Authority: CN
Inventors: 孙利云
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-15
Filing date: 2010-10-15
Publication date: 2011-06-01
Anticipated expiration: 2020-10-15

Abstract

The utility model discloses a timer, in particular to a timing device which can control the period of time correspondingly according to needs. The timer comprises a box body, a gear driving system, a synchronous motor, a microswitch, a cradle, a graduated ring and an index ring, wherein a plurality of inserts are arranged on the outer periphery of the index ring, the graduated ring is sheathed on the upper surface of the index ring, strip dead slots corresponding to the inserts in position and number are arranged on the surface of the graduated ring radially, fixed bulges are arranged at the top end of the clamping edges of the inserts, a circle of radially fixed ledge is arranged on the lower surface of the index ring, the top ends of a positioning bulge and the fixed ledge are sharp corners, and the inserts are clamped inside the fixed ledges by the fixed bulges and further fixed on the index ring. The timer utilizes the principle of little friction between the sharp corners, thus improving the elastic effect of the inserts, and positioning the inserts quickly.

Description

A kind of timer

Technical field

The utility model relates to a kind of timing device, is specifically related to a kind of timing device that can realize corresponding time period control as required.

Background technology

In daily life, usually need to stipulate certain equipment operation fixed time, or start working in certain fixed time, above-mentioned effect is utilized software program control a bit, this type of control need be than complex apparatus and processing center, and when needing program the condition of monitoring reaching always.Also some is the short-term timing device that utilizes pure mechanical device to realize, time length by the Artificial Control selection, timing device can disconnect or the conducting related device after reaching the scheduled time, this type of timing device cost simple in structure is low, processing ease and fault rate are low, and employing is all arranged on most household electrical appliances and equipment at present.As the timing controlled on microwave oven, water dispenser and the washing machine, the charging control of mobile phone, electric bicycle etc. realize energy-conservation, purpose efficiently.

Mechanical timer in the market, generally comprise graduated ring, graduated circle and machine driven system, on the circle footpath, outer of graduated circle evenly distributed a plurality of inserted sheets are installed, graduated ring and graduated circle adopt the mode of socket to be installed together, inserted sheet stretches out one the bar shaped dead slot of the part on the socket face from graduated ring and stirs head between graduated ring and graduated circle, evenly distributed the numerical value that is used for the indication of settable time is gone up in circle footpath, the surface of graduated ring, each stirs head all corresponding setting unit's indication numerical value, because the timing of timing device maximum commonly used is 24 hours, therefore inserted sheet is how much relevant with the timing length of the required representative of each inserted sheet, as 96 inserted sheets, each inserted sheet was regularly just represented a location unit of 15 minutes in the scale at 24 hours so, if 48 inserted sheets are exactly 30 minutes timing units so, machine driven system is responsible for the running of timing device, comprises the synchronous machine that electric power is provided, the gear train assembly of transferring power, the sensitive switch of control timing device conducting or shutoff.

In the disclosed technical scheme of patent No. CN01230439.5, the timer inserted sheet comprises: the screens limit that links to each other by an end and stir the limit, screens limit and stir between the limit and to form a V-shaped part, inserted sheet utilizes V-shaped part to be stuck on the outer of graduated circle, stirs head and is positioned at that to stir the top, limit opposite with the V-shaped part direction.At graduated circle outer lower surface circle location fin is radially arranged, the fixed groove that individual respective shapes is arranged with the fin corresponding position, location of graduated circle on the screens limit, when the inserted sheet delocalization, fixed groove is fastened togather with the location fin in the mode of convex-concave correspondence, when stirring inserted sheet and position, inserted sheet overcomes stopping of location fin, outwards skid off, as shown in Figure 2, but the surface of location fin is generally waveform in the prior art, original meaning is in order to increase the resistance and the feel of the inserted sheet when stirring, but this shape in use stirs once to put or can not determine whether put in place in place sometimes.And behind the inserted sheet arrival timing position, the top on screens limit just in time is positioned on the fin of location, its V-shaped part is made eventually be in the state that an elasticity struts, and the time has been grown inserted sheet and easily produced elastic deformation, causes shorten useful life.Another problem is, other position on screens limit relatively, and the diameter at fixed groove place is much smaller, in use easy fracture.

The utility model content

For solving in the prior art because the inserted sheet unreasonable structure of timer causes and shortens, changes frequent and the indefinite problem of timing information useful life, the utility model provide a kind of rational in infrastructure, timing position is clear and non-damageable timer.Concrete scheme is as follows: a kind of mechanical timer, the upper shell and the lower house that comprise a synthetic box body, be installed in the gear train assembly in the lower house, the synchronous machine of power is provided for gear train assembly, the sensitive switch that conducting or open-circuit line connect, the reel cage of control sensitive switch, be installed in the graduated ring of upper shell outer surface, graduated circle, between graduated circle and graduated ring, inserted sheet is installed, have on the graduated ring radial surface and the inserted sheet position, the bar shaped dead slot of quantity correspondence, it is characterized in that, described inserted sheet is by the screens limit that connects by an end and stir the limit and form, there is fixed lobe on top, screens limit, the lower surface of described graduated circle has radially fixing fin of circle, described positioning convex and fixedly the top of fin be wedge angle, it is inboard and be fixed on the graduated circle that described inserted sheet utilizes fixed lobe to snap in fixedly fin.

Another optimal way of the present utility model: described fixed lobe medial surface is identical with the angle of inclination of fixing fin medial surface.

Another optimal way of the present utility model: described fixed lobe lateral surface angle of inclination is less than the fixing angle of inclination of fin lateral surface.

Another optimal way of the present utility model: described fixed lobe and fixedly the wedge angle angle of fin be between 10 °-180 °.

Another optimal way of the present utility model: the wedge angle of described positioning convex is preferably 45 °, and the wedge angle of described fixedly fin is preferably 90 °.

Another optimal way of the present utility model: the quantity of described inserted sheet is 24,48 or 96.

Another optimal way of the present utility model: described graduated ring connects together by cylinder and the graduated circle of protruding on the endoporus.

Another optimal way of the present utility model: have radially on the outer circumference of described graduated circle and pass through ground way on the inner surface of described graduated ring.

Fixed lobe on the inserted sheet screens of the present utility model limit and the location fin on the graduated circle all adopt the shape of wedge angle, both form contacts side surfaces, only need overcome during use that inserted sheet produces by the bottom of location fin to the elastic force the top, when fixed lobe is crossed the location fin, inserted sheet will arrive assigned address in the inclined-plane along the location fin fast under the elastic force effect, relative this programme, inserted sheet has only two positions, an idle position, a timing position, non-this and that, can not misunderstand, and when inserted sheet is positioned at regularly the position, its gulde edge is in relaxation state fully, and only is to contact and do not need the elastic force of external force or itself to fix between the graduated circle, has strengthened the useful life of inserted sheet greatly.This programme makes fixed lobe identical with the angle that the medial surface of location fin contact tilts, inserted sheet fixed lobe when idle position closely contacts with locating to form between the fin like this, prevented the loosening of inserted sheet, and the angle of inclination of fixed lobe lateral surface is less than the design at fin inclination angle, location, only form the line contact with contacting of fin side, location when making fixed lobe slip over the top of locating fin, make the perfection more of the elastic force performance of inserted sheet.The gulde edge diameter unanimity of inserted sheet has been eliminated potential risk of breakage in this programme.On the graduated circle outer, corresponding slideway is set at each inserted sheet, prevented that inserted sheet from swinging, place at the corresponding graduated circle slideway of the inner surface of graduated ring is provided with draw-in groove, form the more stable fixed structure of inserted sheet with slideway, make inserted sheet under the situation of external force, be stabilized between graduated circle and the graduated ring.Select few for overcoming present timer positioning time unit, the problem that range of application is too narrow, the inserted sheet number of this programme timer also can be made as the modes of different location units such as 48,24, many under the situation of various selections, stir the head operating surface also can do bigger, for the operator provides bigger operating space.This programme utilizes corresponding location notch, the sliding tray on graduated circle and the graduated ring, inserted sheet is installed in the space of the two formation, with the fixing relative position between graduated circle and the graduated ring, this mode does not need to consider orientation problem between the two when graduated ring and graduated circle make to be installed, can arbitrarily graduated ring be enclosed within on the graduated circle, middle inserted sheet is just stablized relative position between the two provides assurance.

Description of drawings

Fig. 1 the utility model installing component schematic diagram.

Inserted sheet is stirred the process schematic diagram in Fig. 2 prior art on graduated circle.

Fig. 3 the utility model inserted sheet is stirred the process schematic diagram on graduated circle.

Fig. 4 is the enlarged diagram of inserted sheet among Fig. 3.

Fig. 5 graduated circle schematic diagram of the present utility model.

Fig. 6 inserted sheet of the present utility model is installed back shape schematic diagram.

Fig. 7 graduated ring schematic diagram of the present utility model.

Fig. 8 the utility model box body internal structure vertical view.

Fig. 9 upper shell vertical view of the present utility model.

Figure 10 the utility model reel cage is pressed the sensitive switch schematic diagram.

Figure 11 timer of the present utility model is the end view under the definition status not.

End view under Figure 12 timer definition status of the present utility model.

The structural representation of graduated circle in Figure 13 prior art.

The structural representation of graduated ring in Figure 14 prior art.

Schematic diagram when Figure 15 timer inserted sheet of the present utility model is 96.

Schematic diagram when Figure 16 timer inserted sheet of the present utility model is 48.

Schematic diagram when Figure 17 timer inserted sheet of the present utility model is 24.

Embodiment

Shown in Fig. 1,5,6,7,9, upper shell 1 and lower house 2 form the box body of a hollow installation timing part, the power section of timer and transmission mechanism are installed in the box body, and the timing setting device is installed in cartridge outer surface, and the timing setting device comprises graduated ring 3, graduated circle 4, inserted sheet 5 and indication circle 6.Graduated ring 3 and graduated circle 4 are the dome shape of center band endoporus, graduated ring 3 is enclosed within the endoporus cylinder 41 of graduated circle from the top down by the prolongation cylinder 31 of endoporus, the lower end of the endoporus cylinder 41 of graduated circle 4 is plugged on the cylinder 11 that protrudes on upper shell 1 surface, indication circle 6 is installed in the endoporus of graduated ring 3, be stuck in the button hole 12 in the cylinder 11 that upper shell protrudes by buckle 61 simultaneously, indicate the signs that indication direction of rotation and basic fixed position point are arranged above the indication circle 6.Inserted sheet 5 evenly is installed on the outer circumference of graduated circle 4, and endoporus cylinder 41 excircles of graduated circle have axial tooth bar 42.Graduated ring 3 footpaths upwards have the bar shaped dead slot 32 with inserted sheet 5 corresponding quantity.

As Fig. 3, shown in 4, this programme inserted sheet 5 comprises the screens limit 51 that links to each other by an end and stirs limit 52, screens limit 51 and stir between the limit 52 and to form a V-shaped part, inserted sheet 5 utilizes V-shaped part to be stuck on the outer circumference of graduated circle 4, stir 52 tops, limit and V-shaped part rightabout and stir 53,51 tops, screens limit are positioned at V-shaped part one side fixed lobe 54, at the lower surface of graduated circle outer circumference radially fixing fin 43 of circle is arranged, wherein fixed lobe 54 and fixedly the Xiang Duanwei acute angle of fin 43, the angle of acute angle is at 10 °-180 °, when inserted sheet 5 snaps on the circumference of graduated circle outer, fixed lobe 54 is crossed fixedly fin 43 under the elastic force effect, fixed lobe medial surface 541 is contacted with fixing fin medial surface 431, thereby inserted sheet 5 is stuck on the circumference of graduated circle outer, fixedly the angle of inclination of fin medial surface 431 is corresponding with the angle of inclination of fixed lobe medial surface 541, both is fitted closely rub to increase, and makes the inserted sheet clamping more firm.The angle of inclination of fixed lobe lateral surface 542 need be less than the fixing angle of inclination of fin lateral surface 432, because when fixed lobe 54 overcomes the fixedly friction of fin medial surface 431 and crosses the wedge angle of fixing fin, the speed of the wedge angle of fixed lobe and the fixedly more little slip of contact area of fin lateral surface is just fast more, thereby under the elastic force effect of stirring the formation of limit and gulde edge, arrive regularly position rapidly, relative this programme, inserted sheet can only be positioned at two positions, an idle position, a timing position, non-this and that, be a bistable structure, can not misunderstand.If the angle of fixed lobe 54 lateral surfaces is too big, the wedge angle that can strengthen fixed lobe surpasses behind the wedge angle of fixing fin and the fixing contact area of fin lateral surface, thereby influences the movement effects of inserted sheet.The inserted sheet of this programme is in relaxation state when being positioned at regularly the position fully, does not need external force effect or the elastic force support of itself, gets final product stable being fixed between graduated circle and the graduated ring, has strengthened the useful life of inserted sheet greatly.

Stirring the end that the limit links to each other with the screens limit has extended end 55, and when stirring inserted sheet and be positioned at regularly the position, the extended end of sliding piece can outwards lean out.As shown in Figure 5, at directly upwards evenly the distribute divider 44 of a plurality of projectioies of the outer of graduated circle 2 circumferential surface, divider separates each inserted sheet, is one of each inserted sheet formation radial passage independently on graduated circle.Is the fixedly rib of a projection of benchmark extend outwards at the inner surface of graduated ring 3 with the side of bar shaped dead slot, two fixedly ribs of being separated by constitute a ground way radially, snap on each radial passage of graduated circle when inserted sheet after, again graduated ring is covered, this moment, ground way and the radial passage on the graduated circle on the graduated ring fixed inserted sheet is metastable, moved forward and backward in the passage that inserted sheet can only be surrounded along radial passage and ground way and can not move left and right.Shown in Figure 13,14, graduated circle of the prior art has the axial hole 45 of four symmetries on the endoporus cylinder, the fixed leg 33 that four correspondences are arranged on the prolongation cylinder 31 of graduated ring 3, graduated ring is by forming a fixed connection in four axial holes that four fixed legs inserted graduated circle, to guarantee the synchronous of graduated circle and graduated ring, also rotation simultaneously of graduated ring when making the graduated circle rotation.But the fixed angle when adopting this fixed form to define to install, graduated ring can only be aimed at four fixed legs fully in four axial holes on the graduated circle and can install into.For addressing this problem, radial passage on this programme employing graduated circle and the ground way on the graduated ring fix inserted sheet, strengthen vertical width of bar shaped dead slot side on the graduated ring and the length that inserted sheet is stirred head again, the side of stirring the corresponding bar shaped dead slot of head meeting promotion of each inserted sheet when graduated circle is rotated, thereby drive the graduated ring rotation, realized graduated circle and the graduated ring purpose of rotation synchronously equally, and this fixed form is hardly with considering orientation problem, as long as with the bar shaped dead slot on the graduated ring pass on the graduated circle stir the head, the whole erection scheme is utilized existing structure fully, reduce unnecessary setting, and improved installation rate greatly.

As Fig. 8,11, shown in 12, the power driving part of timer comprises synchronous machine 7, gear train assembly 8, the sensitive switch 9 of conducting or disconnection supply line, wherein synchronous machine is powered by external circuit, introducing two incoming lines in lower house powers to synchronous machine, wherein live wire is turn-offed and conducting by sensitive switch 9 controls, the output shaft of synchronous machine 7 drives the gear train assembly 8 that a cover is used to regulate the speed, gear train assembly 8 concrete mounting meanss are required to decide by different timings with the gear number, this programme gear train assembly 8 comprises that three grades are adjusted gear, the last output speed of the power that synchronous machine is provided and 24 hours synchronously, the afterbody output gear 81 of gear train assembly 8 passes axial tooth bar 42 engagements on upper shell 1 and graduated circle endoporus cylinder 41 excircles.The control switch 91 of sensitive switch 9 is by reel cage 10 controls, one end activity of reel cage is fixed on and forms stiff end 101 between upper shell and the lower house, the other end of reel cage contacts with control switch 91 and forms movable end 102, position near movable end on the reel cage is provided with promotion point 103, and promotion point 103 stretches out upper shell 1 and is positioned on the timing Bit Track of inserted sheet.

As Figure 15,16, shown in 17, the unit of positioning time is less relatively at present, the problem that accommodation is too narrow, this programme according to different needs with the inserted sheet number of timer by the different requirements of using, be provided with 48,24 are waited different locators of locating unit, like this for some hour to be unit or to be the user regularly of unit with the half an hour, with regard to many a kind of selections, and the inserted sheet decreased number on same circle footpath, distance between corresponding each inserted sheet is just big, the area of inserted sheet also just enlarges relatively, when operation, just provides bigger operating space for the operator like this.

The course of work of this programme is as follows:

As Figure 10,11, shown in 12, utilize the sign of the indication circle of installing in the middle of the graduated circle to determine the inserted sheet of timing and the interval between the promotion point, the inserted sheet of determining the position is outwards stirred, fixed lobe on the inserted sheet overcomes on the graduated circle the fixedly friction of fin and arrives regularly position, the extended end of inserted sheet outwards leans out, this moment, inserted sheet was in the state by radial passage on the graduated circle and the ground way clamping on the graduated ring, the work of synchronous machine energising driven wheel drive system, rotate simultaneously to the output gear driving graduated circle and the graduated ring of tooth bar engagement with the endoporus cylinder axis of graduated circle, when arriving the precalculated position, regularly the extended end of inserted sheet contacts with the promotion point that reel cage stretches out upper shell, and a promotion fixing point with reel cage is the fulcrum rotation under the power of synchronous machine, this moment, the movable end of reel cage can be pressed the control button of the sensitive switch of contact with it, thereby disconnect electric current, reach the purpose of timing working through timer.

The power supply of synchronous machine can be adopted the mode of plug on the timer of this programme, directly be inserted in power taking on the existing socket, also mounting receptacle again on timer, and be inserted in electricity consumption time of the power consumption equipment on the timer, just can directly control by timer.

Claims

1. timer, the upper shell and the lower house that comprise a synthetic box body, be installed in the gear train assembly in the lower house, the synchronous machine of power is provided for gear train assembly, the sensitive switch that conducting or open-circuit line connect, the reel cage of control sensitive switch, be installed in the graduated ring of upper shell outer surface, graduated circle, between graduated circle and graduated ring, inserted sheet is installed, have on the graduated ring radial surface and the inserted sheet position, the bar shaped dead slot of quantity correspondence, it is characterized in that, described inserted sheet is by the screens limit that connects by an end and stir the limit and form, there is fixed lobe on top, screens limit, the lower surface of described graduated circle has radially fixing fin of circle, described positioning convex and fixedly the top of fin be wedge angle, it is inboard and be fixed on the graduated circle that described inserted sheet utilizes fixed lobe to snap in fixedly fin.

2. a kind of timer as claimed in claim 1 is characterized in that, described fixed lobe medial surface is identical with the angle of inclination of fixing fin medial surface.

3. a kind of timer as claimed in claim 1 is characterized in that, described fixed lobe lateral surface angle of inclination is less than the fixing angle of inclination of fin lateral surface.

4. a kind of timer as claimed in claim 1 is characterized in that, described fixed lobe and fixedly the wedge angle angle of fin be between 10 °-180 °.

5. a kind of timer as claimed in claim 1 is characterized in that, the wedge angle of described positioning convex is preferably 45 °, and the wedge angle of described fixedly fin is preferably 90 °.

6. a kind of timer as claimed in claim 1 is characterized in that, the quantity of described inserted sheet is 24,48 or 96.

7. a kind of timer as claimed in claim 1 is characterized in that, described graduated ring connects together by cylinder and the graduated circle of protruding on the endoporus.

8. a kind of timer as claimed in claim 1 is characterized in that, has radially on the outer circumference of described graduated circle and passes through ground way on the inner surface of described graduated ring.