CN201063315Y

CN201063315Y - Timer capable of adjusting timing frequency

Info

Publication number: CN201063315Y
Application number: CNU2007201554537U
Authority: CN
Inventors: 孙利云
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-14
Filing date: 2007-08-14
Publication date: 2008-05-21
Anticipated expiration: 2017-08-14

Abstract

The utility model discloses a timer capable of adjusting timing frequency which comprises an upper clamping plate and a lower clamping plate which are hollow and can be opened and closed, an inching switch arranged inside the lower clamping plate, a rocking frame used to control the inching switch, a rotatable timing mechanism consisting of an index ring, a dial piece, a graduated ring and an indicating ring, and a transmission system consisting of a motor, a worm wheel assembly, a first gear assembly, a ratchet wheel, a flying wheel and a second gear assembly. The second gear assembly is meshed with a connecting gear at the lower part of the index ring to drive the timing mechanism to rotate, the transmission system also comprises a frequency regulating device, the frequency regulating device comprises a rotary regulating plate arranged inside the lower clamping plate, a gear I and a gear II which are arranged on a front plate surface of the rotary regulating plate as well as a conversion toggle button which is arranged on a rear plate surface of the rotary regulating plate and extends out the back of the lower clamping plate, the toggle of the conversion toggle button allows the gear I or the gear II to be synchronously meshed with the worm wheel assembly and the first gear assembly. The timer has a simple structure and convenient operation, and can adjust the timing frequency.

Description

The timer of scalable timing frequency

Technical field

The utility model relates to a kind of timer, especially a kind of timer of scalable timing frequency.

Background technology

People have a lot of electric equipments to open and close automatically by setting-up time in routine work and life.Mechanical timer in the market, its timing setting device generally has two classes, a kind of is to insert in default ON, the OFF hole with latch, another kind be above stir down or about stir timing mechanism into the basis, reel cage is generally in the outside of timing disc.First kind of shortcoming is: minimum time regularly is very big, can't accomplish regularly accurate requirement, and latch losss that come off easily, and the timing number of times is also limited; Second kind shortcoming is: cause misoperation because reel cage in the timing disc outside, exists because of the external force touching damages or changes unexpectedly to be provided with, structure is also complicated, and volume is bigger.

The applicant discloses a kind of structure of timer movement in the patent No. is the patent of ZL01230439.5, but the train wheel bridge and the lower plate that comprise the hollow folding, be positioned at the set mechanism on train wheel bridge top, there are power supply connecting device, motor and gear train assembly, reel cage device and sensitive switch in lower plate inside.Set mechanism or claim timing device in the form of annular discs comprises graduated circle, graduated ring and plectrum therebetween, indication circle, and the graduated circle bottom is and the gear of its disjunctor, and this gear is meshed with the final stage gear of gear train assembly, and its speed is to turn around in 24 hours.At first plectrum is stirred outwards during use, energized, by motor and gear train assembly, drive the graduated circle rotation of set mechanism bottom, the touching lever that the tail of its plectrum promotes on the reel cage device shakes, and adjusts the through and off that contact that piece promotes sensitive switch is controlled sensitive switch by the sensitive switch on distant again.

Above-mentioned timer movement train wheel bridge and lower plate be connected to the hasp syndeton, the shortcoming of this connection is to connect unreliable and easy fracture, dismounting is inconvenient.The reel cage device of control sensitive switch comprises reel cage head, rocking arm, conversion toggle, connector, link stopper and slide block, because it is more that it constitutes part, six parts are arranged, be not easy to assembling, mortality is higher, and cost is also higher, and volume is also bigger, so can not use in the occasion that a lot of structures and volume requirement are relatively harsher, therefore need improvement.

In view of this special the utility model that proposes.

The utility model content

The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of simple in structure, the timer of easy to operate and scalable timing frequency.

For solving the problems of the technologies described above, the utility model adopts the basic design of technical scheme to be: a kind of timer of scalable timing frequency, but comprise train wheel bridge and the lower plate of hollow folding by screw, be located at the sensitive switch of lower plate inside, the reel cage of control sensitive switch, by the input conducting rod, the output conducting strip, the power circuit that resistance and lead are formed, by graduated circle, plectrum, graduated ring and indication circle are formed rotating timing mechanism, by motor, Worm-gear assembly, first gear assembly, ratchet, the drive system that the flywheel and second gear assembly are formed, be meshed with the disjunctor gear of graduated circle bottom by second gear assembly and drive timing mechanism and rotate, it is characterized in that: described lower plate inside also is provided with one and rotates adjustable plate, described drive system also comprises a frequency regulation arrangement, this frequency regulation arrangement comprises the rotation adjustable plate that is located at lower plate inside, be located to rotate gear I and the gear II on the adjustable plate front face and be located at and rotate the conversion toggle that stretches out the lower plate back on the plate face behind the adjustable plate, make gear I or gear II simultaneously and Worm-gear assembly and the engagement of first gear assembly by stirring of conversion toggle.

Described rotation adjustable plate center is provided with axis hole, correspondence is hubbed on the tubular jack-post of lower plate inside, gear I and gear II are located at adjustable plate front face marginal position, with the axis hole is on the same circular arc in the center of circle, the conversion toggle is located at plate face marginal position behind the adjustable plate, should be positioned at the intermediate shaft hole both sides with gear mesh.

The gears engaged of worm and wheel assembly one end on the described motor output shaft, the gear of the Worm-gear assembly other end and gear I or gear II engagement, the gears engaged of gear I or gear II and first gear assembly, one end, the central shaft of this first gear assembly is inserted in the centre bore of tubular jack-post, the gear of the first gear assembly other end and ratchet outer ring gears engaged, flywheel is engaged in behind the inner ring gear of ratchet the gears engaged with second gear assembly, one end, and the gear of the second gear assembly other end is meshed with the disjunctor gear of graduated circle bottom and drives timing mechanism and rotate.

Described lower plate is provided with and changes toggle and stirs the arc guide barrel that is complementary, and guide groove one end display frequency is 50Hz, and corresponding gear II is 12 teeth, and the other end is 60Hz, and corresponding gear I is 10 teeth.

The reel cage of described control sensitive switch break-make is located between train wheel bridge and the lower plate near sidewall locations, this reel cage is curved, its middle part is provided with the rotating shaft that exceeds its plate body above and below, the rotating shaft two ends are inserted in respectively in train wheel bridge and the inner corresponding axis hole of lower plate, reel cage one end exceed its plate body face be provided with can with the contacted projection of timing mechanism plectrum, the other end be bent to form can with the contacted briquetting of sensitive switch contact; Train wheel bridge that the reel cage middle part is corresponding and lower plate sidewall are provided with can be stirred to touch the toggle of sensitive switch contact by reel cage.

Described train wheel bridge outside is provided with a groove that is complementary with timing mechanism, be provided with perforation in the middle of the bottom portion of groove, be provided with a plurality of hole clippings around the perforation, timing mechanism is in the form of annular discs to be located in this groove, described plectrum is connected on the graduated ring flange part, the inner core of described graduated ring is socketed on the boss of graduated circle inboard, the indication circle is gone up the plane and is provided with two delivery outlets, the bottom is the cylindrical sleeve structure, lower cartridge is provided with claw, the indication circle passes the graduated ring endoporus and rides over the graduated ring boss outside by last plane, the hole clipping of passing train wheel bridge by claw is fixed in timing mechanism in the train wheel bridge groove, it is protruding wherein to be equipped with the location in the train wheel bridge groove around the perforation and on the inboard boss of graduated circle, and the location notch with indication snare tube bottom and graduated ring inner core bottom is corresponding respectively.

Described train wheel bridge bottom portion of groove also is provided with two jacks, on the corresponding reel cage of one jack with the contacted projection of plectrum, the gear of second gear assembly that the corresponding drive system of another jack is meshed with graduated circle bottom disjunctor gear.

Described input conducting rod is inserted on the lower plate, comprise A input conducting rod and B input conducting rod, conducting rod one end stretches out in the lower plate back, the other end is fixed in lower plate inside, described output conducting strip is convexly set in lower plate inside, pass the middle perforation of train wheel bridge groove, delivery outlet on the corresponding indication circle, comprise C output conducting strip and D output conducting strip, B input conducting rod is fixedlyed connected with D output conducting strip screw or rivet, sensitive switch is provided with a tie point and b tie point, the a tie point is connected with C output conducting strip by the c lead, A input conducting rod is connected with sensitive switch at the b tie point by the d lead respectively, is connected with motor by resistance, and B input conducting rod is connected with motor by the e lead.

Described train wheel bridge is connected by screw with lower plate, comprises that one enters fixing screw and two by the lower plate back and is positioned at the timing mechanism below by the train wheel bridge front and enters fixing screw.

The main feature of said structure is by rotating adjustable plate, change gear-driven rotating speed, thereby regulate frequency regularly, therefore, the gear that continues to increase the different numbers of teeth on the adjustable plate edge can rotated, only need satisfy each gear mesh should get final product on the circular arc that with the axis hole is the center of circle, can more increase timing frequency like this.

After adopting technique scheme, the utility model compared with prior art has following beneficial effect.

The timer of the scalable timing frequency after the utility model improves, the deficiencies in the prior art have been overcome, at first, can regulate, thereby change frequency regularly by the rotating speed that changes timing mechanism for frequency regularly, in addition owing on bedplate, parts of reel cage are only arranged by timing mechanism control sensitive switch, simplified greatly than existing six parts, thereby smaller volume, be convenient to assembling, easy to maintenance, also reduced cost simultaneously.In addition, the power circuit annexation that it adopts is also very simple, has overcome the shortcoming that prior art needs complex circuit board.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Description of drawings

Fig. 1 is the timer perspective view of the utility model scalable timing frequency;

Fig. 2 is the three-dimensional decomposition texture schematic diagram of the timer of the utility model scalable timing frequency;

Fig. 3 is the timer lower plate and the inner three-dimensional decomposition texture schematic diagram thereof of the utility model scalable timing frequency;

Fig. 4 is the timer train wheel bridge and the three-dimensional decomposition texture schematic diagram of timing mechanism of the utility model scalable timing frequency;

Fig. 5 is the utility model timer frequency regulation arrangement structural representation;

Fig. 6 is the utility model reel cage structural representation;

Fig. 7 is the timer side schematic view of the utility model scalable timing frequency;

Fig. 8 is the timer lower plate rear portion schematic diagram of the utility model scalable timing frequency;

Fig. 9 is the timer power supply circuit connection diagram of the utility model scalable timing frequency.

Embodiment

As shown in Figures 1 to 4, the timer of scalable timing frequency described in the utility model, but comprise train wheel bridge 1 and the lower plate 2 of hollow folding by screw, be located at the sensitive switch 3 of lower plate 2 inside, the reel cage 4 of control sensitive switch 3, by input conducting rod 5, output conducting strip 6, the power circuit that resistance 7 and lead 8 are formed, by graduated circle 9, plectrum 10, graduated ring 11 and indication circle 12 are formed rotating timing mechanism, by motor 13, Worm-gear assembly 14, first gear assembly 15, ratchet 16, the drive system that the flywheel 17 and second gear assembly 18 are formed, be meshed with the disjunctor gear 92 of graduated circle 9 bottoms by second gear assembly 18 and drive timing mechanism and rotate, described lower plate 2 inside also are provided with one and rotate adjustable plate 19 (consulting Fig. 5), described drive system also comprises a frequency regulation arrangement, this frequency regulation arrangement comprises the rotation adjustable plate 19 that is located at lower plate 2 inside, be located to rotate gear I191 and the gear II192 on the adjustable plate front face and be located at and rotate the conversion toggle 193 that stretches out lower plate 2 back on the plate face behind the adjustable plate, make gear I191 or gear II192 simultaneously and Worm-

gear assembly

14 and 15 engagements of first gear assembly by stirring of conversion toggle 193.As shown in Figure 5, these rotation adjustable plate 19 centers are provided with axis hole 194, correspondence is hubbed on (not shown) on the tubular jack-post of lower plate inside, gear I191 and gear II192 are located at adjustable plate front face marginal position, with axis hole 194 is on the same circular arc in the center of circle, conversion toggle 193 is located at plate face marginal position behind the adjustable plate, with gear 191,192 corresponding intermediate shaft hole 194 both sides that are positioned at.As shown in Figure 8, described lower plate 2 is provided with and changes toggle 193 and stirs the arc guide barrel 201 that is complementary, and guide groove 201 1 end display frequencies are 50Hz, and corresponding gear II192, this gear are 12 teeth, and the other end is 60Hz, and corresponding gear I191, this gear are 10 teeth.

As shown in Figure 3, each annexation of drive system described in the utility model is: worm screw 131 on described motor 13 output shafts and 141 engagements of the gear wheel of Worm-gear assembly 14 1 ends, the pinion 142 of Worm-gear assembly 14 other ends and gear I191 or gear II192 engagement, gear wheel 151 engagements of gear I191 or gear II192 and first gear assembly, 15 1 ends, the central shaft of this first gear assembly is inserted in the centre bore of tubular jack-post, the pinion 152 of first gear assembly, 15 other ends and 161 engagements of ratchet 16 outer ring gears, flywheel 17 is engaged in inner ring gear 162 backs of ratchet 16 and gear wheel 181 engagements of second gear assembly, 18 1 ends, and the pinion 182 of second gear assembly, 18 other ends is meshed with the disjunctor gear 92 of graduated circle 9 bottoms and drives the timing mechanism rotation.

As shown in Figure 6, the reel cage 4 that the present invention is used to control sensitive switch 3 break-makes is located between train wheel bridge 1 and the lower plate 2 near sidewall locations, this reel cage 4 is curved, its middle part is provided with the rotating shaft 41 that exceeds its plate body above and below, rotating shaft 41 two ends are inserted in respectively in train wheel bridge and the inner corresponding axis hole of lower plate, reel cage 4 one ends exceed its plate body face be provided with can with timing mechanism plectrum 10 contacted projections 42, the other end be bent to form can with the contacted briquetting 43 of sensitive switch 3 contacts; The train wheel bridge 1 of reel cage 4 middle part correspondences and lower plate 2 sidewalls are provided with can be stirred to touch the toggle 20 of sensitive switch 3 contacts by reel cage 4, consults the lower position that Fig. 2 and sensitive switch 3 its contacts shown in Figure 3 are positioned at sensitive switch, not shown.

As shown in Figure 4, described train wheel bridge 1 outside is provided with a groove 101 that is complementary with timing mechanism, be provided with perforation 102 in the middle of groove 101 bottoms, be provided with a plurality of hole clippings 103 around the perforation 102, timing mechanism is in the form of annular discs to be located in this groove 101, described plectrum 10 is connected on graduated ring 11 flange parts 111, the inner core 113 of described graduated ring 11 is socketed on the boss 91 of graduated circle 9 inboards, plane 121 is provided with two delivery outlets 122 on the indication circle 12, the bottom is the cylindrical sleeve structure, sleeve 123 bottoms are provided with claw 124, indication circle 12 passes graduated ring 10 endoporus and rides over graduated ring 11 boss 112 outsides by last plane 121, the hole clipping 103 of passing in the train wheel bridge groove 101 by claw 124 is fixed in timing mechanism in the train wheel bridge groove 101, wherein be equipped with around the perforation 102 and on the graduated circle 9 inboard boss 91 in the train wheel bridge groove 101 and locate protruding 104,93, location notch 114 with indication snare tube 123 bottoms and graduated ring inner core 113 bottoms is corresponding respectively, wherein, the location notch of indication snare tube 123 bottoms is not shown among the figure.

This train wheel bridge bottom portion of groove also is provided with two jack (not shown)s, on the corresponding reel cage 4 of one jack with plectrum 10 contacted projections 42, the pinion 182 of second gear assembly 18 that the corresponding drive system of another jack is meshed with graduated circle 9 bottom disjunctor gears 92.

Described input conducting rod 5 is inserted on the lower plate 2 and (consults Fig. 7 and Fig. 8), as shown in Figure 3, comprise A input conducting rod 51 and B input conducting rod 52, conducting rod 5 one ends stretch out in lower plate 2 back, the other end is fixed in lower plate 2 inside, described output conducting strip 6 is convexly set in lower plate 2 inside, lower plate 2 inside are provided with the important actor 202 of projection, the corresponding input of important actor 202 1 ends conducting rod 5, the corresponding fixing output conducting strip 6 of the other end, output conducting strip 6 is fixed on the important actor 202 by screw 21, pass the perforation 102 of train wheel bridge groove 101 centres, delivery outlet 122 on the corresponding indication circle 12, comprise C output conducting strip 61 and D output conducting strip 62, B input conducting rod 52 is fixedlyed connected with D output conducting strip 62 screws 211 or rivet, sensitive switch 3 is provided with a tie point 31 and b tie point 32, a tie point 31 is connected with C output conducting strip 61 by c lead 81, A input conducting rod 51 is connected with sensitive switch 3 at b tie point 32 by d lead 82 respectively, be connected with motor 13 by resistance 7, B input conducting rod 52 is connected (consulting Fig. 9) by e lead 83 with motor 1.

Described train wheel bridge 1 and lower plate 2 are connected by screw, comprise that one enters fixing screw 221 (consulting Fig. 8) and two by lower plate 2 back and is positioned at the timing mechanism below by train wheel bridge 1 front, promptly groove 101 bottoms enter fixing screw 222 (consulting Fig. 2).

Claims

1. the timer of a scalable timing frequency, but comprise train wheel bridge and the lower plate of hollow folding by screw, be located at the sensitive switch of lower plate inside, the reel cage of control sensitive switch, by the input conducting rod, the output conducting strip, the power circuit that resistance and lead are formed, by graduated circle, plectrum, graduated ring and indication circle are formed rotating timing mechanism, by motor, Worm-gear assembly, first gear assembly, ratchet, the drive system that the flywheel and second gear assembly are formed, be meshed with the disjunctor gear of graduated circle bottom by second gear assembly and drive timing mechanism and rotate, it is characterized in that: described lower plate inside also is provided with one and rotates adjustable plate, described drive system also comprises a frequency regulation arrangement, this frequency regulation arrangement comprises the rotation adjustable plate that is located at lower plate inside, be located to rotate gear I and the gear II on the adjustable plate front face and be located at and rotate the conversion toggle that stretches out the lower plate back on the plate face behind the adjustable plate, make gear I or gear II simultaneously and Worm-gear assembly and the engagement of first gear assembly by stirring of conversion toggle.

2. the timer of scalable timing frequency according to claim 1, it is characterized in that: described rotation adjustable plate center is provided with axis hole, correspondence is hubbed on the tubular jack-post of lower plate inside, gear I and gear II are located at adjustable plate front face marginal position, with the axis hole is on the same circular arc in the center of circle, the conversion toggle is located at plate face marginal position behind the adjustable plate, should be positioned at the intermediate shaft hole both sides with gear mesh.

3. the timer of scalable timing frequency according to claim 1 and 2, it is characterized in that: the gears engaged of worm and wheel assembly one end on the described motor output shaft, the gear of the Worm-gear assembly other end and gear I or gear II engagement, the gears engaged of gear I or gear II and first gear assembly, one end, the central shaft of this first gear assembly is inserted in the centre bore of tubular jack-post, the gear of the first gear assembly other end and ratchet outer ring gears engaged, flywheel is engaged in behind the inner ring gear of ratchet the gears engaged with second gear assembly, one end, and the gear of the second gear assembly other end is meshed with the disjunctor gear of graduated circle bottom and drives timing mechanism and rotate.

4. the timer of scalable timing frequency according to claim 1 and 2, it is characterized in that: described lower plate is provided with and changes toggle and stirs the arc guide barrel that is complementary, and guide groove one end display frequency is 50Hz, and corresponding gear II is 12 teeth, the other end is 60Hz, and corresponding gear I is 10 teeth.

5. the timer of scalable timing frequency according to claim 1, it is characterized in that: the reel cage of described control sensitive switch break-make is located between train wheel bridge and the lower plate near sidewall locations, this reel cage is curved, its middle part is provided with the rotating shaft that exceeds its plate body above and below, the rotating shaft two ends are inserted in respectively in train wheel bridge and the inner corresponding axis hole of lower plate, reel cage one end exceed its plate body face be provided with can with the contacted projection of timing mechanism plectrum, the other end be bent to form can with the contacted briquetting of sensitive switch contact; Train wheel bridge that the reel cage middle part is corresponding and lower plate sidewall are provided with can be stirred to touch the toggle of sensitive switch contact by reel cage.

6. the timer of scalable timing frequency according to claim 1, it is characterized in that: described train wheel bridge outside is provided with a groove that is complementary with timing mechanism, be provided with perforation in the middle of the bottom portion of groove, be provided with a plurality of hole clippings around the perforation, timing mechanism is in the form of annular discs to be located in this groove, described plectrum is connected on the graduated ring flange part, the inner core of described graduated ring is socketed on the boss of graduated circle inboard, the indication circle is gone up the plane and is provided with two delivery outlets, the bottom is the cylindrical sleeve structure, lower cartridge is provided with claw, the indication circle passes the graduated ring endoporus and rides over the graduated ring boss outside by last plane, and the hole clipping of passing train wheel bridge by claw is fixed in timing mechanism in the train wheel bridge groove.

7. according to the timer of claim 1 or 6 described scalable timing frequencies, it is characterized in that: described train wheel bridge bottom portion of groove also is provided with two jacks, on the corresponding reel cage of one jack with the contacted projection of plectrum, the gear of second gear assembly that the corresponding drive system of another jack is meshed with graduated circle bottom disjunctor gear.

8. according to the timer of claim 1 or 6 described scalable timing frequencies, it is characterized in that: described input conducting rod is inserted on the lower plate, comprise A input conducting rod and B input conducting rod, conducting rod one end stretches out in the lower plate back, the other end is fixed in lower plate inside, described output conducting strip is convexly set in lower plate inside, pass the middle perforation of train wheel bridge groove, delivery outlet on the corresponding indication circle, comprise C output conducting strip and D output conducting strip, B input conducting rod is fixedlyed connected with D output conducting strip screw or rivet, sensitive switch is provided with a tie point and b tie point, and a tie point is connected with C output conducting strip by the c lead, and A input conducting rod is connected with sensitive switch at the b tie point by the d lead respectively, be connected with motor by resistance, B input conducting rod is connected with motor by the e lead.

9. the timer of scalable timing frequency according to claim 1, it is characterized in that: described train wheel bridge is connected by screw with lower plate, comprises that one enters fixing screw and two by the lower plate back and is positioned at the timing mechanism below by the train wheel bridge front and enters fixing screw.