CN2932607Y - Timing control switch - Google Patents

Abstract

The utility model discloses a timing control switch, which comprises a timing knob, a trigger wheel driven by a gear mechanism, a fixed contact and an elastic touch piece, wherein the trigger wheel is provided with two touch points which are in contact connection with the elastic touch piece through a touch transmission mechanism; the number of the elastic touch pieces is two, namely a first elastic touch piece and a second elastic touch piece; the first touch point and the first elastic touch sheet are correspondingly arranged, and the second touch point and the second elastic touch sheet are correspondingly arranged. The utility model discloses the complicated operating mode needs in user's different needs and the electrical apparatus use can be realized.

Description

Timing control switch

Technical field

The utility model relates to a kind of power control.

Background technology

Timing control switch has been common in electrical apparatus industry, as the timing control switch of fan commonly used now, regulates the timing knob of timing control switch, and the time of regulating timing control switch is provided with, and opens the fan gear, and fan begins to rotate outside air-supply.Rotation timing knob has two effects: 1, to gear mechanism input power (that promptly often says winds up), and 2, operating time of setting timing switch.Under the effect of clockwork spring, gear mechanism brings into operation, and final the drive triggered the wheel rotation, when reaching setting-up time (just triggering the initial position of wheel), double wedge on the compressing tablet falls into the breach that triggers on the wheel, elasticity is touched the sheet return and is broken away from fixed contact, and the loop between the external connection that is connected on elasticity shake-up sheet, the fixed contact is disconnected.

The user can set the operating time of household electrical appliance according to oneself requirement, very convenient, but existing timing control switch still has following shortcoming: existing timing control switch can only carry out the conversion of primary power source break-make in a setting-up time, the mode of conversion is single, the complex working condition needs in the time of can not satisfying user's many-sided needs and electric operation.Before sleep, the user beats electric fan to third gear (top gear), and the user wishes: through after half an hour, electric fan is worked under the state of a grade (low or first gear), and electric fan is closed automatically after one hour.Can't finish this work to the prior mechanical timing control switch, set and the equal inconvenience of use, and the timing control switch of electronic type, because its manufacturing cost height, price is higher, it uses and also is subjected to certain limitation.

Summary of the invention

The purpose of this utility model is to provide a kind of like this timing control switch, and this timing control switch can be realized the on/off conversion of a plurality of difference in functionalitys in the time period of a plurality of settings.

The utility model is achieved through the following technical solutions:

Timing control switch, comprise base, timing knob, triggering wheel, fixed contact, elasticity shake-up sheet by the gear mechanism drive, trigger on the wheel and have front contact, front contact is by touching transmission mechanism and being connected with the contact of elasticity shake-up sheet, it is characterized in that: the front contact on the described triggering wheel is two, i.e. first front contact and second front contact; Described elasticity is touched sheet and also is two, and promptly first elasticity is touched sheet and second elasticity shake-up sheet; First front contact, first elasticity are touched the corresponding setting of sheet, and second front contact, second elasticity are touched the corresponding setting of sheet.

The timing knob was used for to the time of timing control switch input power and setting timing control switch, and under the effect of clockwork spring, the gear mechanism band props up and triggers the wheel rotation, and these all are prior arts.Greatest improvement of the present utility model is: first front contact and second front contact that trigger on the wheel are controlled first elasticity shake-up sheet and second elasticity shake-up sheet respectively, in a timing control switch, realize the control of two make-and-break signals, need with complicated operating mode in the different needs of realizing the user and the electrical equipment use.It should be noted that: first elasticity is touched sheet, second elasticity is touched sheet and can is herein, this shake-up sheet itself adopts elastomeric material to make, and also can be that this shake-up sheet itself does not have elasticity, be connected with it by elastic component and make it have elasticity, but both principles are identical.

Further improvement of the utility model is:

Described first elasticity is touched sheet, second elasticity shake-up sheet is pressed to described triggering wheel; Described first front contact and second front contact are is located at the breach that triggers on the wheel excircle, i.e. first breach and second breach; Also be provided with two plectrums, i.e. first plectrum and second plectrum, first end of this first plectrum, second plectrum is articulated and connected with base respectively, second end of this first plectrum, second plectrum touches sheet with described first elasticity respectively, second elasticity is touched the sheet Elastic Contact and is connected, and is respectively equipped with first double wedge, second double wedge that match with first breach, second breach on this first plectrum, second plectrum; Described shake-up transmission mechanism is first plectrum and second plectrum that has double wedge.This is for touching the concrete structure of transmission mechanism, breach on the triggering wheel is relative with the double wedge on the plectrum, when timing control switch reaches setting-up time, trigger wheel and reach desired location, double wedge on the plectrum falls into breach, and first elasticity touches sheet or second elasticity shake-up sheet resetted and the break-make of control circuit in the time of setting.

Described first breach is different with the initial phase of second breach, and the circumferential angle of described first breach is greater than the circumferential angle of described second breach; Described second elasticity touches that sheet, first elasticity touch sheet, fixed contact is oppositely arranged and successively gradually away from described triggering wheel; Radially outer in described second elasticity shake-up sheet smallest radial position, be provided with described first elasticity shake-up sheet movable end is carried out the first spacing limiting section.Operation timing knob reaches certain angle, the timing knob drives to trigger and takes turns rotation and make first double wedge, second double wedge break away from first breach, second breach respectively, the movable end that first elasticity is touched sheet, second elasticity shake-up sheet all reaches maximum radial position, at this moment, first elasticity touches that sheet contacts with fixed contact and with the 3rd external connection conducting on first external connection on the first elasticity front contact and the fixed contact; Through the time of setting, first double wedge falls into first breach, first plectrum is return, first elasticity shake-up sheet resets and presses to second elasticity and touches sheet, be connected in first external connection that first elasticity touches on the sheet and be communicated with and make with second external connection on being connected in second elasticity shake-up sheet, because the circumferential angle of described first breach is greater than the circumferential angle of described second breach, when triggering the wheel rotation, first double wedge still is in first breach, the state that first external connection on continuation maintenance first elasticity shake-up sheet is communicated with second external connection on being connected in second elasticity shake-up sheet, along with the rotation that triggers wheel, when second double wedge falls into second breach, second elasticity is touched sheet and is resetted, and first elasticity shake-up sheet is spacing by first limiting section, and first elasticity is touched the contact on the sheet, second elasticity is touched the contact on the sheet, all disconnect between the fixed contact.

Described first limiting section is a pin.It is spacing, simple in structure to adopt pin to carry out, spacing reliable.

Radially outer in described first elasticity shake-up sheet smallest radial position, movable being provided with can touch the sheet movable end to described second elasticity and carry out the second spacing limiting section.The effect of this second limiting section is: as previously mentioned, after first double wedge falls into first breach, through certain hour, along with the rotation that triggers wheel, second double wedge also can fall into second breach, be separated from each other with second elasticity shake-up sheet and disconnect and make first elasticity touch sheet, after adopting second limiting section, whether can control second elasticity shake-up sheet according to user's wish resets, first elasticity is touched sheet and whether second elasticity shake-up sheet disconnects to control, this structure improves the randomness of the artificial control of user, is user-friendly for selection.

Described second limiting section is movable pin, nails at this removable pin and is with axial back-moving spring.Second limiting section adopts pin, simple in structure, spacing reliable, be with back-moving spring on pin, after the user pressed pin, it is limited that second elasticity is touched sheet, when the user presses pin once more, under the effect of back-moving spring, pin resets, and second elasticity is touched the constraint that sheet is not subjected to second limiting section.

This timing switch also includes the clockwork spring lock, is installed with the lock pressure arm on described second plectrum, and this lock pressure arm is connected with this clockwork spring lock.Second double wedge on second plectrum falls into second breach, and the lock pressure arm compresses the clockwork spring lock, and with clockwork spring locking, gear mechanism stops operating.

Described first front contact and second front contact are located at respectively on the different axial locations of described triggering wheel.It mainly is to interfere with each other between two front contacts that two front contacts are in different axial locations, to improve mechanism's reliability of operation.

Described timing knob is made up of the first timing knob and the second timing knob; Described triggering wheel is made up of equitant first runner and second runner, and this first runner is relative with flange on second runner and form described first front contact, and described second front contact is located on this second runner; This timing switch also includes rotating shaft and is socketed on the outer tube of rotating shaft, the first timing knob is by circumferential spacing connection of the rotating shaft and first runner, the second timing knob is by circumferential spacing connection of the tube and second runner, and the circumferential relative position that also is provided with this first runner and second runner carries out spacing stopping means.The advantage of this structure is: can adjust the triggered time of second front contact, can adjust the time difference of first front contact with respect to first front contact again, its operation principle is:

Rotate the second timing knob earlier, by adjusting the time interval of second front contact with respect to first front contact, the triggered time of adjusting second front contact (at this moment, the first timing knob can be simultaneously with the second timing knob), subsequently, rotate the first timing knob more separately, adjust the corner of first runner with respect to second runner, the size of formed breach changes between the flange on first runner and second runner, and adjusts the time interval of first front contact with respect to second front contact with this.

On described first runner two faces relative, be provided with corresponding concave and convex stripe, between the described first timing knob and the second timing knob, be provided with and separate spring, and constitute described stopping means by this structure with second runner.This structure is the convenient time interval of regulating first front contact with respect to second front contact, also can prevent that first runner and second runner are relative to arbitrarily rotating simultaneously.Owing to separate compressing of spring, circumferentially limited between described first runner and second runner by concave and convex stripe, the second timing knob is pressed inwards, and the concave and convex stripe between first runner and second runner is separated from each other, and can adjust first runner with respect to the angle between second runner.

To sum up, the utility model has the advantages that:

1, triggers wheel and be provided with two front contacts, touch first elasticity respectively and touch sheet and second elasticity shake-up sheet, can realize a plurality of make-and-break signals, can satisfy the time set of electrical equipment complexity;

2, of the present utility model simple in structure, cost is low, and market prospects are good;

3, being provided with of second limiting section can make things convenient for the user to select second elasticity to touch the control whether sheet is subjected to second front contact;

4, first front contact and second front contact are located at the different axial locations of described triggering wheel respectively, improve the reliability of mechanism;

5, the triggering wheel of being made up of first runner, second runner can conveniently be adjusted the time interval that first front contact triggers with respect to first front contact;

6, by separating the conveniently adjustment and spacing of position limiting structure that spring and concave and convex stripe are formed.

Description of drawings

Fig. 1 is the structure chart of first kind of embodiment of the present utility model;

Fig. 2 is the rearview of Fig. 1;

Fig. 3 is the structure chart of second kind of embodiment of the present utility model;

Fig. 4 is the structure chart that triggers wheel among Fig. 3;

Fig. 5 is the side partial sectional view of Fig. 4;

Fig. 6 is the structure chart of first runner among Fig. 4;

Fig. 7 is the side partial sectional view of Fig. 6;

Fig. 8 is the structure chart of second runner among Fig. 4;

Fig. 9 is the side partial sectional view of Fig. 8;

Figure 10 triggers the assembling schematic diagram of taking turns with the first timing knob, the second timing knob;

Figure 11 is the end view of Figure 10;

Description of reference numerals:

1, the timing knob, 2, gear mechanism, 3, trigger wheel, 4, fixed contact, 5, first front contact, 6, second front contact, 7, first elasticity is touched sheet, 8, second elasticity is touched sheet, 9, first plectrum, 10, second plectrum, 11, first double wedge, 12, second double wedge, 13, first limiting section, 14, second limiting section, 15, first external connection, 16, second external connection, 17, the 3rd external connection, 18, the retaining tooth, 19, flange, 20, first runner, 21, second runner, 22, the first timing knob, 23, the second timing knob, 24, tube, 25, rotating shaft, 26, base, 27, banking pin, 28, separate spring, 29, concave and convex stripe, 30, groove, 31, the clockwork spring lock, 32, the lock pressure arm.

Embodiment

Embodiment one

See also Fig. 1, Fig. 2, timing control switch, the triggering wheel 3 that comprises timing knob 1, driven by gear mechanism 2, fixed contact 4 (above be connected with the 3rd external connection 17), elasticity are touched sheet, the different axial locations that trigger wheel 3 excircles are provided with two breach, promptly first breach and second breach constitute first front contact 5 and second front contact 6 respectively, first breach is different with the initial phase of second breach, and the circumferential angle of described first breach is greater than the circumferential angle of described second breach; Described elasticity is touched sheet and also is two, and promptly first elasticity is touched sheet 7 (above be connected with first external connection 15) and second elasticity and touched sheet 8 (above be connected with second external connection 16), and first elasticity is touched sheet 7, second elasticity and touched sheet 8 and press to described triggering wheel 3; Also be provided with two plectrums, promptly first plectrum 9 and second plectrum, 10, the first plectrums 9 are provided with first double wedge 11, the second plectrums 10 relative with first breach and are provided with second double wedge 12 relative with second breach; Described shake-up transmission mechanism is first plectrum 9 and second plectrum 10 that has double wedge.First end of this first plectrum 9, second plectrum 10 is articulated and connected with base 26 respectively, second end of this first plectrum 9, second plectrum 10 touches sheet 7 with first elasticity respectively, second elasticity is touched sheet 8 Elastic Contact and is connected, and first front contact 5, first plectrum 9, first elasticity are touched sheet 7 corresponding settings, and second front contact 6, second plectrum 10, second elasticity are touched sheet 8 corresponding settings.Trigger wheel 3 and touch first elasticity and touch sheet 7, trigger wheel 3 and touch second elasticity and touch sheet 8 by second front contact 6, second plectrum 10 on it by first front contact 5, first plectrum 9 on it.

Second elasticity is touched sheet 8, first elasticity is touched sheet 7, fixed contact 4 is oppositely arranged and is taken turns 3 away from described triggering gradually successively; It is radially outer to touch sheet 8 smallest radial positions in described second elasticity, is provided with described first elasticity is touched sheet 7 movable ends to carry out spacing pin and form first limiting section 13.Radially outer in described first elasticity shake-up sheet 7 smallest radial positions, movable being provided with can be carried out spacing pin to described second elasticity shake-up sheet, 8 movable ends and form second limiting section 14, and is with axial back-moving spring on this pin.

Operation principle of the present utility model is:

1, rotates timing knob 1 and triggering wheel 3 is rotated, first double wedge 11, second double wedge 12 break away from first breach, second breach, first plectrum 9, second plectrum 10 touch sheet 7 with first elasticity respectively, second elasticity is touched sheet 8 jack-up, and first elasticity is touched sheet 7 and contacted and make first external connection 15 and the connection of the 3rd external connection with fixed contact 4;

2, triggering wheel 3 rotates, after the time of setting, first double wedge 11 on first plectrum 9 falls into first breach, first elasticity shake-up sheet 7 resets and contacts with second elasticity shake-up sheet 8, first external connection 15 and second external connection 16 are connected, because first breach circumferentially has certain angle, this conducting state can keep certain hour;

3, triggering wheel 3 rotates, after the time of setting, second double wedge 12 on second plectrum 10 falls into second breach, second elasticity is touched sheet 8 and is resetted, it is spacing and make it and second elasticity is touched sheet 8 and broken away from by first limiting section 13 that first elasticity is touched sheet 7, and first external connection 15 and second external connection 16 disconnect mutually; At this moment, because second double wedge 12 falls into second breach, lock pressure arm 32 compresses clockwork spring lock 31, and with the clockwork spring locking, gear mechanism 2 quits work.

4, in above-mentioned the 3rd process, press second limiting section 14 in advance, and it is spacing that second elasticity is touched sheet 8, through behind the setting-up time, second elasticity is touched sheet 8 and is still remained on previous status, and first external connection 15 and second external connection 16 keep on-state always.

Embodiment two:

See also Fig. 3 to Figure 11, the difference of present embodiment and embodiment one is that first front contact 5 is adjustable with respect to the triggered time of second front contact 6 at interval in the present embodiment: described timing knob 1 is made up of the first timing knob 22 and the second timing knob 2; Described triggering wheel 3 is made up of equitant first runner 20 and second runner 21, and flange on this first runner 20 and second runner 21 19 is relative and form described first front contact 5, and described second front contact 6 is located on this second runner 21; This timing switch also includes rotating shaft 25 and is socketed on rotating shaft 25 tube 24, the first timing knobs 22 outward by rotating shaft 25 and 20 circumferential spacing connections of first runner, and the second timing knob 23 is by tube 24 and 21 circumferential spacing connections of second runner; On described first runner 20 two faces relative, be provided with corresponding concave and convex stripe 29 with second runner 21, between the described first timing knob 22 and the second timing knob 23, be provided with and separate spring 28, and constitute described stopping means by this structure, so that carry out spacing to the circumferential relative position of first runner 20 and second runner 21; Limited when also being provided with flange 19 on banking pin 27, the first runners 20 on second runner 21 and forwarding these banking pin 27 places to; On contacted of the shell of the second timing knob 23 and this timing control switch, be provided with groove 30 with second limiting section 14 (just movable pin) corresponding position, to avoid the interference between the second timing knob 23 and second limiting section 14.

The operation principle of present embodiment is: rotate the second timing knob 23 earlier, by adjusting the time interval of second front contact 6 with respect to first front contact 5, adjust the triggered time of second front contact 6, this moment is owing to separate the effect of spring, concave and convex stripe 29 on first runner 20 and second runner 21 mutually combines, and the first timing knob 22 rotates with the second timing knob 23 simultaneously; Subsequently, again the second timing knob 23 is pressed inwards, concave and convex stripe 29 on first runner 20 and second runner 21 is separated from each other, rotate the first timing knob 22 again, adjust the corner of first runner 20 with respect to second runner 21, the size of formed breach changes between the flange 19 on first runner 20 and second runner 21, and adjusts the time interval of first front contact 5 with respect to second front contact 6 with this.

Claims (10)

1, a kind of timing control switch, comprise base (26), timing knob (1), touch sheet by triggering wheel (3), fixed contact (4), the elasticity of gear mechanism (2) drive, trigger on the wheel and have front contact, front contact is by touching transmission mechanism and being connected with the contact of elasticity shake-up sheet, it is characterized in that: the front contact on the described triggering wheel (3) is two, i.e. first front contact (5) and second front contact (6); Described elasticity is touched sheet and also is two, and promptly first elasticity is touched sheet (7) and touched sheet (8) with second elasticity; First front contact (5), first elasticity are touched the corresponding setting of sheet (7), and second front contact (6), second elasticity are touched the corresponding setting of sheet (8).

2, timing control switch as claimed in claim 1 is characterized in that: described first elasticity is touched sheet (7), second elasticity shake-up sheet (8) is pressed to described triggering wheel (3); Described first front contact (5) and second front contact (6) are is located at the breach that triggers on wheel (3) excircle, i.e. first breach and second breach; Also be provided with two plectrums, i.e. first plectrum (9) and second plectrum (10), first end of this first plectrum (9), second plectrum (10) is articulated and connected with base (26) respectively, second end of this first plectrum (9), second plectrum (10) touches sheet (7) with described first elasticity respectively, second elasticity is touched sheet (8) Elastic Contact and is connected, and is respectively equipped with first double wedge (11), second double wedge (12) that match with first breach, second breach on this first plectrum (9), second plectrum (10); Described shake-up transmission mechanism is first plectrum (9) and second plectrum (10) that has double wedge.

3, timing control switch as claimed in claim 2 is characterized in that: described first breach is different with the initial phase of second breach, and the circumferential angle of described first breach is greater than the circumferential angle of described second breach; Described second elasticity is touched sheet (8), first elasticity is touched sheet (7), fixed contact (4) is oppositely arranged and is taken turns (3) away from described triggering gradually successively; Radially outer in described second elasticity shake-up sheet (8) smallest radial position, be provided with described first elasticity shake-up sheet (7) movable end is carried out spacing first limiting section (13).

4, timing control switch as claimed in claim 3 is characterized in that: described first limiting section (13) is a pin.

5, timing control switch as claimed in claim 3, it is characterized in that: radially outer in described first elasticity shake-up sheet (7) smallest radial position, movable being provided with can touch sheet (8) movable end to described second elasticity and carry out spacing second limiting section (14).

6, timing control switch as claimed in claim 5 is characterized in that: described second limiting section (14) is movable pin, nails at this removable pin and is with axial back-moving spring.

7, as each described timing control switch in the claim 2 to 6, it is characterized in that: this timing switch also includes clockwork spring lock (31), be installed with lock pressure arm (32) on described second plectrum (10), this lock pressure arm (32) is connected with this clockwork spring lock (31).

8, as each described timing control switch in the claim 1 to 6, it is characterized in that: described first front contact (5) and second front contact (6) are located at respectively on the different axial locations of described triggering wheel (3).

9, timing control switch as claimed in claim 8 is characterized in that: described timing knob (1) is made up of the first timing knob (22) and the second timing knob (23); Described triggering wheel (3) is made up of equitant first runner (20) and second runner (21), this first runner (20) is relative with flange (19) on second runner (21) and form described first front contact (5), and described second front contact (6) is located on this second runner (21); This timing switch also includes rotating shaft (25) and is socketed on the outer tube (24) of rotating shaft (25), the first timing knob (22) is by rotating shaft (25) and circumferential spacing connection of first runner (20), the second timing knob (23) is by tube (24) and circumferential spacing connection of second runner (21), and the circumferential relative position that also is provided with this first runner (20) and second runner (21) carries out spacing stopping means.

10, timing control switch as claimed in claim 9, it is characterized in that: on described first runner (20) two faces relative, be provided with corresponding concave and convex stripe (29) with second runner (21), between the described first timing knob (22) and the second timing knob (23), be provided with and separate spring (28), and constitute described stopping means by this structure.

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