CN2409603Y

CN2409603Y - Mechanical automatic on-off timer

Info

Publication number: CN2409603Y
Application number: CN 99228499
Authority: CN
Inventors: 蒋宗坚
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-05-27
Filing date: 1999-05-27
Publication date: 2000-12-06
Anticipated expiration: 2009-05-27

Abstract

The utility model relates to a mechanical automatic on-off timer, which comprises a timer of the electricity-on time, a timer of work time, and a shell with a hole site of a socket, wherein the outer part of the shell is provided with a scale disk of the electricity-on time and the scale disk of the work time. The mechanical automatic on-off timer is characterized in that one end of the load is connected with a change-over switch S3 in series, the change-over switch S3 is a multi-gear switch and is respectively connected with different contacts of contact switches S1, S2 of the timers of the electricity-on time and the work time, and various on-off timing selections can be completed on the basis of a single function of the automatic on-off timer in the prior art.

Description

Mechanical type automatic switch timer

The utility model relates to a kind of mechanical type automatic switch timer, is suitable for controlling general electrical equipment, is specially adapted to household electrical appliance.

In Chinese patent 91202061.X, disclose and a kind ofly opened automatically, close timer, its structure comprises out electric time timer, operating time timer and have the housing of socket aperture position, be provided with out electric graduated time ring and operating time dial in outside, one manual knob is all arranged on each graduated time ring, in enclosure interior to electric time timer and operating time timer should be arranged out, timer is by the contact switch, the recessed wheel, gear train and drive unit are formed, the fixed contact 11 of opening electric time timer contact switch S1 connects with power supply, moving contact 12 connects with motor M1 one end of drive unit, the other end of motor M1 connects with power supply and load, moving contact 13 connects with the fixed contact 21 of operating time timer contact switch S2, and moving contact 22 connects with load one end.Its operation principle: promptly be from providing when setting, through connecting load after the time of setting, work disconnected to the operating time of setting: or directly connect loaded work piece and to the operating time of setting, disconnect.Adopt mechanical timer, good stability is arranged, the advantage that misoperation is few, but also there is the low weakness of precision,, generally decides the ETAD expected time of arrival and departure scope within 12 hours so the time set scope of timer can not be too wide, and the operating time scope is about 2 hours, otherwise error is big.This timer weak point is that control mode is single, can only Ding Kaiding closes, can't accomplish to open surely indefinite pass or work long hours after close surely or work long hours.

The purpose of this utility model is to design a kind of multiple mechanical type automatic switch timer of opening surely and deciding to close combination that has.

Task of the present utility model is achieved in that a kind of mechanical type automatic switch timer, comprise out electric time timer, operating time timer and have the housing of socket aperture position, be provided with out electric graduated time ring and operating time dial in outside, one manual knob is all arranged on each graduated time ring, in enclosure interior to electric time timer and operating time timer should be arranged out, timer is by the contact switch, the recessed wheel, gear train and drive unit are formed, the fixed contact 11 of opening electric time timer contact switch S1 connects with power supply, moving contact 12 connects with motor M1 one end of drive unit, the other end of motor M1 connects with power supply and load, moving contact 13 connects with the fixed contact 21 of operating time timer contact switch S2, moving contact 22 connects with load one end, it is characterized in that being serially connected with one at load one end switches switch S 3, the fixed contact 31 of diverter switch S3 connects load, moving contact 32 joins with the moving contact 22 of operating time timer contact switch S2, moving contact 33 joins with the moving contact 13 of opening electric time timer contact switch S1, moving contact 34 joins with the moving contact 12 of opening electric time timer contact switch S1, and moving contact 35 joins with the fixed contact 11 of opening electric time timer contact switch S1.The technical program can be finished the multiple selection of opening surely, deciding the pass by diverter switch S3 and the conversion that connects of opening electric timing switch S1 and 2 sound contacts of work timing switch S on the simple function of original automatic open and close timer.

The utlity model has simple in structure, reasonable in design, by diverter switch and open surely, fixed cooperating of closing, achievable combination is: work of predetermined short time for a long time; Short time work back disconnection: long leading to of long-time predetermined back; The back disconnection works long hours: and long logical and long disconnected two states.

Below in conjunction with concrete legend the utility model is described further:

Fig. 1 is the utility model circuit connecting figure

Fig. 2 is piano type timer panel figure

Fig. 3 is Fig. 2 right view

Fig. 4 is Fig. 2 vertical view

Fig. 5 timer construction figure

Fig. 6 is friction pulley and a gear graph of a relation among Fig. 5

Fig. 7 knob timer panel figure

With reference to Fig. 1, dotted portion is represented out the motor M2 of drive unit in the motor M1 of drive unit in the electric time timer and contact switch S1, the operating time timer and the interaction relation of contact switch S2 among the figure, drive unit has and adopts motor in the prior art, also has to adopt spring.Core technology of the present utility model is that the end at load R3 is serially connected with one and switches switch S 3, the fixed contact 31 of diverter switch S3 connects load R3, moving contact 32 joins with the moving contact 22 of operating time timer contact switch S2, moving contact 33 joins with the moving contact 13 of opening electric time timer contact switch S1, moving contact 34 joins with the moving contact 12 of opening electric time timer contact switch S1, and moving contact 35 joins with the fixed contact 11 of opening electric time timer contact switch S1, form long logical, can use as socket, and on switch S 3, also be provided with a neutral position 36, in the work way, want to cut off the electricity supply, only need switch so far that the position get final product, need not to pull away plug or accent timer to closed condition.Above-mentioned mentioned load R3 is virtual, in the utility model product is to occur with socket aperture position form.Be used to indicate various operating states or its combination at motor M1 and load R3 two ends respectively and be connected to current-limiting resistance R1, light-emitting diode D1 and R2, D2.

With reference to Fig. 2, and Fig. 3 and Fig. 4, the utility model timer comprises out electric time timer, operating time timer and have the housing 1 of socket aperture position 2, be provided with out electric graduated time ring 3 and operating time dial 4 in housing 1 outside, one manual knob 5 is all arranged on each graduated time ring, wherein also be provided with a rotating disk 6 that links with it at the downside of driving electric graduated time ring 3, the outer of rotating disk 6 is provided with time groove 61, time groove in time groove 61 and the dial 3 is corresponding, and on case panel, being provided with a cue mark 71, rotary turnplate 6 can drive dial 3 and rotate.This legend, diverter switch S3 adopts keyboard switch 8, wherein is provided with a neutral gear key.Keyboard switch 8 is positioned at an end of housing.

With reference to Fig. 5, the structure of timer comprises: contact switch 9, recessedly take turns 7, gear train 10 and drive unit, wherein contact switch 9 is provided with three

contacts

91,92,93 (or claiming the contact), on contact 92, be fixed with a slide block 94, slide block 94 touches recessed 7 the edge of taking turns all the time, and recessed 7 the edge of taking turns is provided with a breach 72, when the recessed breach 72 of taking turns when turning round to slide block 94, slide block 94 falls into the recessed breach 72 of taking turns, and contact 92 disconnects, joins with contact 93 with contact 91.Knob pointer is just in time aimed at the cue mark 71 on the case panel during this position; Recessedly take turns 7 and can follow friction pulley 52 and rotate, friction pulley 52 becomes drive connection with the output wheel of gear train 10, and the wheel for inputting of gear train 10 is fixed on the motor reel.Figure middle gear group 10 and gear 53 all draw with dotted line.

With reference to Fig. 6, this legend can be known and finds out friction pulley 52, relation between the output wheel of gear 53 and gear train 10, and and recessed position relation of taking turns 7, friction pulley 52 is by axle 51, on, lower clamping piece 54 and gear 53 are formed, on, lower clamping piece 54 is clamped gear 53, formation frictional drive relation, the following tabs 55 of lower clamping piece 54 inserts recessed the wheel in 7 the groove, link with this, manual knob 5 is fixed on the axle 51 of friction pulley 52, when the rotary knob 5 of exerting oneself, drives recessed 7 rotations of taking turns by friction pulley 52, this moment, gear 53 was blocked by gear train 10, appearance is skidded, so recessedly take turns 7 rotation and carried out: when motor gets electric rotation, after gear train 10 speed changes, drive friction pulley 52 and recessedly take turns 7 and slowly rotate, finish timing working.The internal structure of driving electric time timer and operating time timer is basic identical.

With reference to Fig. 7, diverter switch S3 is a knob switch 88, and is provided with a neutral gear, and knob switch is located at an end of housing 1.Diverter switch S3 also can be touch-switch or sensitive switch.

Claims

1, a kind of mechanical type automatic switch timer, comprise out electric time timer, operating time timer and have the housing of socket aperture position, be provided with out electric graduated time ring and operating time dial in outside, one manual knob is all arranged on each graduated time ring, in enclosure interior to electric time timer and operating time timer should be arranged out, timer is by the contact switch, the recessed wheel, gear train and drive unit are formed, the fixed contact 11 of opening electric time timer contact switch S1 connects with power supply, moving contact 12 connects with motor M1 one end of drive unit, the other end of motor M1 connects with power supply and load, moving contact 13 connects with the fixed contact 21 of operating time timer contact switch S2, moving contact 22 connects with load one end, it is characterized in that being serially connected with one at load one end switches switch S 3, the fixed contact 31 of diverter switch S3 connects load, moving contact 32 joins with the moving contact 22 of operating time timer contact switch S2, moving contact 33 joins with the moving contact 13 of opening electric time timer contact switch S1, moving contact 34 joins with the moving contact 12 of opening electric time timer contact switch S1, and moving contact 35 joins with the fixed contact 11 of opening electric time timer contact switch S1.

2, mechanical type automatic switch timer according to claim 1 is characterized in that diverter switch S3 is a keyboard switch.

3, mechanical type automatic switch timer according to claim 1 is characterized in that diverter switch S3 is a knob switch.

4, mechanical type automatic switch timer according to claim 1 is characterized in that diverter switch S3 is a touch-switch.

5, mechanical type automatic switch timer according to claim 1 is characterized in that diverter switch S3 is a sensitive switch.