CN1164750A - Power-off time-delay lamp switch - Google Patents

Abstract

The present invention relates to a kind of power-off time-delay lamp switch, including general power-off time-delay lamp switch, automatic power-off time-delay lamp switch and combined switch formed from the above-mentioned switches and their respective outlets. It is formed from a short timing switch which consists of cam pawl and ratchet, and is opposite from pull-cord switch in direction, and a resistance device which can apply retaining action in the course of switching-off, and its time-delay time can be regulated in the range of 30 sec. to 3 min. Said switch is simple in structure and easy to operate, and can be extensively used in various places lighting by lamp.

Description

Power-off time-delay lamp switch

The present invention relates to a kind of light switch, particularly power-off time-delay lamp switch, it comprises common power-off time-delay lamp switch, the automatic unit switch that combines with supply socket separately of power-off time-delay lamp switch and they.Wherein common power-off time-delay lamp switch is meant pulling or stirs switch No. one time, and switch will produce once by leading to disconnected or by disconnected variation to logical electricity condition, and can produce the switch that outage is delayed time when each outage; And automatically power-off time-delay lamp switch is meant and leaves behind or just energising at once when dialling down switch at every turn, and decontrols the switch of the time-delay of will cutting off the power supply automatically behind the switch.

Light switch now, mostly be one open promptly bright, once closing the switch that puts out, the back becomes dark at once owing to turn off the light, make troubles to the people, therefore occur a kind of in recent years by touch type electronic delay switch and the unit switch that regular tap is formed, only need when turning on light regular tap by opening, and desire obtains the outage time-delay when turning off the light, and then must touch electronic time-delay switch earlier, then regular tap is turn-offed, at this moment electric light does not extinguish, but just extinguishes after having spent 3 minutes, therefore uses more can meet people's will, welcome, but this switch also has deficiency, as desires to obtain twice operational motion of outage time-delay need, and the valency height.

The objective of the invention is to create a kind of power-off time-delay lamp switch simple in structure, it comprises common power-off time-delay lamp switch, the automatic unit switch that combines with supply socket separately of power-off time-delay lamp switch and they, and time of its outage time-delay is 30 seconds to 3 minutes.

Power-off time-delay lamp switch is improved by pulling switch, is to utilize the one-way of ratchet transmission and intermittence to realize the energising of switch and the conversion of off-position, and is convenient for setting forth below, stipulated some specific terms:

The home position of dial---be called for short original position, the residing original definite angle position of dial when referring to the switch inoperation, switch is in the stable state of energising or outage on this position, and the handle of dial should be in the front upper place of switch axle at this moment.

The lower dead center of dial---refer to turn on light or when turning off the light, dial is drawn or be allocated to the determined nethermost angle position of structure by original position, this moment, the handle of dial should be in the front lower place of switch axle.

Leave behind switch or dial switch down---refer to that dial is drawn or push the course of action of lower dead center by original position, rotate that being called leaves behind rotates or dial down and rotate and at this moment dial is corresponding.

Reposition---refer to that dial gets back to the course of action of original position from lower dead center, and at this moment corresponding rotation of dial is called reposition and rotates or abbreviate as and return rotation.

The direction of ratchet---refer to the positive direction of ratchet driving face under confined state.

The ratchet direction of ratchet---refer to the positive direction of ratchet Tooth Surface on the confined state bottom ratchet wheel.

Energising ratchet and outage ratchet---in common power-off time-delay lamp switch, for finishing the change of switch electricity condition, the ratchet that constitutes the ratchet stopping device with retaining reed together is by two kinds of ratchets that function is different, that is by the energising ratchet and the outage ratchet form alternately, so-called energising ratchet is meant that the circuit of switch is switched on when the moved end of retaining reed is pressed in this ratchet tooth back.Otherwise so-called outage ratchet is meant that the circuit of switch is cut-off when the moved end of retaining reed is pressed in this ratchet tooth back.For automatic power-off time-delay lamp switch, though switch always is in off-position when dial is on the original position, but since whenever draw once or when dialling a switch and making the ratchet revolution cross a tooth just generation once by the variation that is energized to outage, therefore each ratchet on the ratchet all should be the energising ratchet, and the circle center angle that each ratchet occupied all equates.

Design of the present invention is: earlier common pulling switch is changed into the switch with outage time-delay feature, design one again and only split pass power process generation retardance but the drag devices of energy fast shut-off switching circuit, and both are combined into required power-off time-delay lamp switch.Be described as follows: with the feature that can obtain after common following transformation of pulling switch work to cut off the power supply and delay time, at first the end face ratchet direction on the switch dial should be returned rotation in the same way by original changing in the same way with dial with the rotation of leaving behind, and correspondingly the ratchet direction with original end ratchet and cylinder ratchet gives oppositely, and retaining reed is also correspondingly oppositely installed.Secondly the copper sheet that energising ratchet tooth back on the cylinder ratchet is covered should be extended for enlarging delay time, make it be covered with the whole back of tooth of energising ratchet from the lowest point to the peak.Also should make at last, when the dial reposition and when being about to arrive original position, the lowest point of the back one ratchet back of tooth is just gone into from the peak clan of the last ratchet back of tooth of cylinder ratchet in the moved end of retaining reed.In this improved pulling switch, can only make the dial rotation of leaving behind when leaving behind backguy, make the lowest point of the end face ratchet of dial simultaneously from immigration back, the lowest point one ratchet back of tooth of the last ratchet back of tooth of end ratchet, and turn round torsionspring tighter, but dial can not be with ratchet to rotate together, therefore the electricity condition of switch there is no change in the process of leaving behind, and have only move dial to lower dead center and loose one's grip after, dial is under the torsionspring effect, utilize its end face ratchet to drive the rotation that end ratchet and cylinder ratchet are automatically done reposition, and the lowest point of the back one ratchet back of tooth is gone in the moved end of retaining reed from the peak clan of the last ratchet back of tooth of cylinder ratchet when being about to arrive original position, just caused the conversion of switch electricity condition, dial is back to original position immediately then.By above-mentioned, in improved pulling switch, the operational motion of moving switch to lower dead center and unclamping backguy is finished formerly, and switch realize automatically the electricity condition conversion after, therefore existing on-delay also has the feature of outage time-delay in this switch.

In fact, very very brief by the above-mentioned on-delay time that obtains, therefore very little to the rapid property influence of turning on light, but the outage delay time is equally extremely short, can not directly use, reach 30 seconds to 3 minutes, in switch, should set up drag devices for making the outage delay time.This device is by with the edge cam of ratchet one, rise that wide face can only outwards move along the axle of switch under driving and the slide block that can not rotate, outwards promoted by slide block and sealing ring that can closed air chamber center gas port and have air chamber that the exhaust outlet aperture can regulate etc. and constitute at edge cam.Its work is as follows: when turning off the light, after dial is pulled to the lower dead center relieving, it is being with ratchet and edge cam to return rotation together, edge cam rises at this moment, and wide face promotes slide block and sealing ring outwards moves, and sealed the center gas port of air chamber, the air chamber internal gas pressure is raise, and the slide block moving resistance increases thereupon, therefore returns to rotate to become extremely slow.After air pressure raise, air chamber had just determined the dial reposition to rotate speed to the speed of exhaust outlet exhaust, therefore changed the time of exhaust outlet aperture with regard to scalable outage time-delay with adjustment screw.The above-mentioned edge cam wide face that rises, it rises when being about to finally is that one section arc transition is to the vertical wide face that descends, when edge cam goes in this section when contacting with slide block, slide block will reduce rapidly the resistance of edge cam, therefore dial returns to rotate and is accelerated, and is back to original position after the fast cut-off circuit.When turning on light, leave behind after dial and the relieving, ratchet by the dial band and edge cam returns rotation, but owing to do not contact with slide block at this slewing area inner face cam, drag devices is inoperative, so dial returns to rotate and be exceedingly fast, and the indirect circuit passband of momentariness is also got back to original position.

Automatically power-off time-delay lamp switch also is to be combined by switch and drag devices with outage time-delay feature, it is the special case of common power-off time-delay lamp switch, both structures are basic identical, difference is: one, the circuit arrangement of this switch are to be made of two fixed contact and moving contacts that are fixed on the housing, and moving contact is controlled by the handle or the arm of dial, when dial is gone up in position, its handle or arm are depressed moving contact, and itself and two fixed contacts are broken away from, and circuit cut-offs.When turning on light, dial is pulled to lower dead center from original position, and the handle or the arm of dial are removed from moving contact thereupon, and moving contact is released, and contacts with two fixed contacts immediately under spring action, and circuit is switched on.After dial arrives lower dead center and is decontroled, dial is being with ratchet and edge cam to do reposition under the effect of torsionspring and is being rotated, and in rotation, be subjected to the retardance that drag devices applies, when dial is about to arrive original position, fast moving contact is depressed, be back to original position after circuit is cut-off with its handle or arm.They are two years old, the structure of the drag devices of this switch and working condition are identical with common power-off time-delay lamp switch, but the characteristics of this switch are whenever to draw a switch will correspondingly produce once outage time-delay, so the number of the wide face of the rising on the edge cam should equate with the ratchet number of cylinder ratchet.

By the determined power-off time-delay lamp switch of above-mentioned design, comprise common power-off time-delay lamp switch, the automatic unit switch that combines with supply socket separately of power-off time-delay lamp switch and they, its technical scheme is as follows: the housing of switch (1) is made by insulating material, the two ends of axle (2) are positioned on the left and right sides wall of housing (1), and torsionspring (3), dial (4), ratchet (5), slide block (6), sealing ring (7) and the air chamber (8) of dextrorotation is housed on the axle from left to right successively.Torsionspring (3) is to be tightened in advance and compressed state is contained in the Far Left of axle, and two terminations fix with housing (1) and dial (4) respectively about it.The center of dial (4) porose with axle (2) movingly, dial and radially overhanging handle is arranged, the outer end of handle then links to each other with the operating parts (41) of switch.Because dial (4) all will be collided with housing (1) when turning to certain angle back and forth, thereby dial can only be rotated in position and between the lower dead center, during the switch inoperation, dial (4) abuts against on the original position under the effect of torsionspring (3) all the time, the handle of dial this moment (4) should be on the angle position, front upper place of axle (2), and when dial forwards lower dead center to, the handle of dial this moment (4) should be on the angle position, front lower place of axle (2), dial in position and the angle that can turn between the lower dead center should be slightly larger than the circle center angle that each ratchet is occupied on the ratchet (5).There is the ratchet in order to driving pawl (5) right side of dial (4), and under the state of assembling, the direction of ratchet is consistent with dial reposition rotation direction.The ratchet on the right side of dial (5) is made by insulating material, its center is porose, be contained on the axle, because of structure qualification, it can not be moved right along axle, ratchet (5) is paid with the ratchet composition ratchet transmission on the dial (4), and therefore under confined state, the ratchet direction should be opposite with the direction of ratchet on the ratchet, in addition, one end of retaining reed (9) is fixed on the housing (1), and its other end that is moved end, then is pressed in the ratchet tooth back of ratchet (5), and should prop up the flank of tooth of last ratchet, therefore constituted the ratchet stopping device, made the ratchet (5) can not be, and can only do automatic reposition rotation with dial with the dial rotation of leaving behind.Should meet with upper/lower positions between dial (4), ratchet (5) and the retaining reed (9) and concern: what at first require is to be pulled to or group to lower dead center and when being about to arrive lower dead center from original position when dial (4), ratchet on the dial (4) should be gone into the lowest point of the back one ratchet back of tooth from the peak clan of the last ratchet back of tooth of ratchet (5), and when dial (4) from the automatic reposition of lower dead center and when being about to arrive original position, the lowest point of the back one ratchet back of tooth is just gone into from the peak clan of the last ratchet back of tooth of ratchet (5) in the moved end of retaining reed (9).Secondly require be at dial (4) in the time of the automatic reposition of lower dead center, the circle center angle of that ratchet of being dialled by dial (4) ratchet on the ratchet, the circle center angle of that ratchet that should be pushed down by the moved end of retaining reed (9) with its back of tooth on the ratchet equates all the time.Be contained in the slide block (6) on the right side of ratchet (5), its center porose with axle (2) movingly, simultaneously because of structural qualification, make it move and can not rotate along axle (2).Between ratchet (5) and slide block (6), be provided with the edge cam transmission device, it with ratchet (5) in outage time-delay process with dial (4) rotation of reposition automatically, be converted into slide block (6) along axle (2) moving to the right.Sealing ring (7) is made by rubber, and its center has diameter to be little hole than axle (2), has sealed the center gas port of air chamber (8) when it moves right under slide block promotes.Air chamber (8) is contained in rightmost, it is made of the chassis and the rubber cup left side and that protrude left on the right, sealing between the two, the leather cup center has diameter to be big hole than axle (2), gap between this hole and the axle (2) forms the center gas port, there is the blind hole that axle is installed at the inboard center on chassis, and still has the adjustment screw utilized to regulate the exhaust outlet of its aperture size in addition on the chassis.Corresponding circuit arrangement is still arranged in the housing of switch, and it and above-mentioned member are combined together, and constitute required power-off time-delay lamp switch,

Obviously, be the switch of left-right symmetric relation with above-mentioned power-off time-delay lamp switch, that is connect above-mentioned scheme and carry out the switch that reverse design forms on the left and right directions, it and former switch have the function that is equal to.

Below technical scheme is described further:

Power-off time-delay lamp switch can be divided into pulling switch, switch on wall by its operation and profile and have the switch on wall of supply socket, and when being designed to pulling switch, housing (1) is made of housing, left-hand axis board and lid etc.Housing is the rectangular box of an opening, its bottom outer rim has installing hole, Qi Zuobi and right wall all have the groove of transparent walls mouth, respectively in order to left-hand axis board and air chamber (8) to be installed. the hole that You Bishang has air supply chamber (8) exhaust outlet adjustment screw to pass through, the chute that the inboard, bottom surface has a confession slide block (6) that is parallel to axle (2) to slide, the hole of passing through for backguy is arranged on the lower wall, and there are the original position of definite dial (4) and the corresponding construction of lower dead center in lower wall or inboard, bottom surface on housing.The left-hand axis board is the annex of left wall, its center porose with axle (2) movingly, its right-hand member has for torsionspring (3) location and the groove of fixing spring termination, on its left side boss is arranged, this boss embeds in the groove of housing left side wall, and the left end of axle (2) is located.Cover porosely, fix with screw and housing.The operating parts of pulling switch (41) is that the backguy and the line that tie up on dial (4) the handle outer end hole weigh down.

When power-off time-delay lamp switch was designed to switch on wall, housing (1) was to be made of housing and left-hand axis board etc.Housing is that the square or rectangular panel of strengthening the edge is arranged around one, and its middle part is the circular arc wall that has the outside protrusion of common axial line with axle (2), the two ends of this wall are sealed by Zuo Bi and right wall, Zuo Bi and right wall still extend to panel rear, and the groove that the transparent walls mouth is all arranged, respectively in order to left-hand axis board and air chamber (8) to be installed, the hole that on the right wall of panel forward direction, has air supply chamber exhaust outlet adjustment screw to pass through, the left side of circular arc wall and with the corresponding position of dial (4) on, have the edge of a groove and the perpendicular long and narrow slotted eye of bus of circular arc wall, lower limb is used for determining the original position and the lower dead center of dial (4) on the slotted eye, the chute that the inboard of circular arc wall has a confession slide block (6) that is parallel to axle (2) to slide still has the switch installing hole on the panel of switch.The left-hand axis board also is the annex of left wall, and its structure as hereinbefore.In switch on wall, switch operator (41) be exactly pass on the dial (4) the long and narrow slotted eye of housing circular arc wall handle outer end and with the handle one, be to guarantee the ring that handling safety is hidden from view long and narrow slotted eye fully, the handle of above-mentioned dial and ring are made by the plastics or the bakelite of insulation.

When power-off time-delay lamp switch is designed to have the switch on wall of supply socket, the structure of housing (1) with and the operating parts (41) of switch all with above-mentioned basic identical, but the panel of housing (1) is by extending transversely, and have and the corresponding jack of supply socket in the part that prolongs, and standardized supply socket is housed in the corresponding position, the back side of panel.

Limiting the structure that ratchet (5) can not move right along axle (2) in technical scheme is that axle (2) middle part has a thrust shaft shoulder, and the right side of ratchet (5) then abuts against on this shaft shoulder.Another structure be ratchet (5) directly and axle (2) fix.

In technical scheme, ratchet driver has two kinds of principal modes:

1, on the right side of dial (4) fixedly end face ratchet is arranged, ratchet (5) is an end ratchet that external diameter is bigger than the external diameter of end face ratchet, enclose in it with the transmission of end face ratchet formation ratchet and pay, its periphery then constitutes the ratchet stopping device with retaining reed (9).

2, on the right side of dial (4) fixing end face ratchet is arranged, ratchet (5) is to be made of the end ratchet of left end and the cylinder ratchet on the outer rim, the number of teeth of this two ratchet and teeth directional are all identical, the end face ratchet of end ratchet and dial (4) constitutes the ratchet transmission to be paid, and the cylinder ratchet then constitutes the ratchet stopping device with retaining reed (9).

Should be pointed out that above-mentioned two kinds of ratchet drivers all still should satisfy the described following requirement of technical scheme: the circle center angle of that ratchet that the circle center angle of that ratchet of being dialled by ratchet from the time handle ratchet wheel of lower dead center reposition at dial (4) should be pushed down by the moved end of retaining reed sheet (9) with its back of tooth on the ratchet equates all the time.

Above-mentioned two kinds of ratchet drivers both can be used for common power-off time-delay lamp switch, also can be used for automatic power-off time-delay lamp switch, but because therefore the difference of these two kinds of light switch tasks make ratchet (5) have following three kinds of different structures.

1, that ratchet with retaining reed (9) formation stopping device on the ratchet (5) is to be formed alternately by the bigger less outage ratchet of energising ratchet and circle center angle in circle center angle, and the circle center angle of respectively switch on ratchet and each outage ratchet should be distinguished equal separately, the number of teeth of this ratchet is the even number greater than 2, as 4 or 6 teeth etc.

2, to go up that ratchet that constitutes stopping device with retaining reed (9) be to be formed alternately by the energising ratchet and the ratchet that cuts off the power supply that the circle center angle all equates to ratchet (5), and the number of teeth of this ratchet is the even number greater than 2, as 4 or 6 teeth etc.

3, to go up that ratchet that constitutes stopping device with retaining reed (9) all be the energising ratchet formation that the circle center angle equates to ratchet (5), and the number of teeth of this ratchet is the integer greater than 2, as 3,4,5 or 6 teeth etc.

Above-mentioned the 1st and the 2nd is applicable to common power-off time-delay lamp switch, and the 3rd is used for automatic power-off time-delay lamp switch.

Edge cam transmission device between ratchet (5) and slide block (6) mainly contains two kinds of structures:

1, edge cam transmission device, by ratchet (5) right-hand member and with the edge cam of ratchet (5) one, and constitute with radial spoke slide block (6) one, that in outage time-delay process, keep in touch with the wide face of the rising of edge cam.The cam profile of edge cam on the matrix cylinder outer wall is by equating with the energising ratchet number of teeth of ratchet (5) for number, and rising profile section uniform on circumference is formed, each rising profile section comprises the rising profile part and the profile part that arc transition extremely vertically descends when being about to finally that rises of the rising to the right of dextrorotation left, the circle center angle that each rising profile section is occupied should be equal to or slightly less than ratchet (5) and go up each energising circle center angle that ratchet occupied, the lift angle of rising profile is between 20 °～40 °, is the not contacted part of radial spoke on edge cam and the slide block (6) between the two adjacent rising profile sections.

With radial spoke slide block (6) one and that radially outwards stretch, constitute its width between its front and the back, wherein the front is that its extended line passes through slide block central axis and the longitudinal edge vertical with central axis, and the back then is to return with dial (4) according to edge cam to lag behind a limit in front when rotating.Radial spoke and edge cam rise the contacted part of wide face for and the corresponding inclined-plane of wide face that rises, when outage time-delay beginning, the front of radial spoke overlaps with the starting point of edge cam rising profile section.The quantity of radial spoke equates with the quantity of edge cam rising profile section in principle, and it is uniform on circumference, but can simplify, when the quantity of edge cam rising profile section is during greater than 2 even number, during as 4 or 6 sections, slide block (6) can be reduced to that to have only two angles of cut between its front be 180 ° radial spoke, and when the quantity of the rising profile section of edge cam be during greater than 3 odd number, can turn to and have only 3 radial spokes by tube, at this moment, wherein the angle of cut between the front of two radial spokes equals the circle center angle occupied between the two adjacent rising profile section starting points on the edge cam, and the front of the 3rd radial spoke should be on the reverse extending line of this angle of cut bisector.In addition, have one to be long in the radial spoke of slide block (6), its outer end embeds on the housing (1) and the chute that axle (2) parallels, and can slide along groove, therefore makes slide block (6) move and can not rotate along axle (2).Should meet with upper/lower positions between dial (4), ratchet (5), retaining reed (9) and the slide block (6) and concern: when dial (4) is in original position, when the moved end of retaining reed (9) was pressed in the lowest point of ratchet (5) the energising ratchet back of tooth, the front that slide block (6) is gone up radial spoke should be on the starting point of edge cam rising profile section.

2, edge cam transmission device, by ratchet (5) right-hand member and with the edge cam of ratchet (5) one, and be fixed on radially thin axle on the slide block (6), that a steamboat is housed on it and constitute, when the outage time-delay, this steamboat and edge cam keep in touch.Outward the radially thin axle radially from the slide block center, there is the stop bit axle head its outer end, the inner end then is fixed on the slide block, and the steamboat center is porose, can rotate on radially thin axle, when outage time-delay beginning, the wheel face of steamboat should be in the edge cam wide face that rises and just begin on the position contacting, and radially the quantity of thin axle equates with the quantity of edge cam rising profile section in principle, and uniform on circumference, but can simplify, the situation of its simplification is identical with the simplification of the 1st middle radial spoke.Slide block (6) is gone up in each radially thin axle has one to be long, and two steamboats are housed, wherein contact at interior steamboat and the edge cam wide face that rises, and steamboat outside embeds in the chute that housing (1) is gone up with axle (2) parallels, and can be moving along trough roller, therefore make slide block (6) move and can not rotate along axle (2).

The edge cam of ratchet (5) right-hand member, the size at the circle center angle of being occupied except that each rising profile section be should give the correction, and all the other are all identical with the 1st described edge cam.Theing contents are as follows of this correction: the steamboat center when the wheel face of steamboat has just begun to contact with rising profile section, till the center of the steamboat that contacts with the vertical decline profile of rising profile section to the steamboat wheel face, circle center angle therebetween should be equal to or slightly less than the last circle center angle that ratchet occupied that switches on of ratchet (5).Should meet with upper/lower positions between dial (4), ratchet (5), retaining reed (9) and the slide block (6) and concern: when dial (4) is in original position, and the moved end of retaining reed (9) is when being pressed on the lowest point of the energising ratchet back of tooth of ratchet (5), and the steamboat wheel face on the radially thin axle of slide block (6) should be in edge cam rising profile section and just begin on the position contacting.

Air chamber (8) chassis outer side center has the boss in order to installing and locating, and the cylinder compression spring that quickens the leather cup reinstatement is housed in the air chamber.

Corresponding circuit arrangement is arranged in the switch, and it constitutes common power-off time-delay lamp switch, the automatic unit switch that combines with supply socket separately of power-off time-delay lamp switch and they with above-mentioned each member, and division is as follows:

1, according to technical scheme, three kinds of different switch case (1), in the ratchet driver the 1st, in ratchet (5) structure the 1st or the 2nd, the unit switch that common power-off time-delay lamp switch and it and supply socket are formed, the circuit arrangement of switch is by retaining reed (9), divide electric slip ring (10), connect electric reed (11) and binding post coppers such as (12) part formation in addition, wherein dividing electric slip ring (10) is to be made of a copper sheet that is fixed on the axial copper slip ring on end ratchet (5) the outer rim face of cylinder and is connected as a single entity with it and cover on the whole back of tooth of ratchet of respectively switching on the end ratchet periphery, after copper sheet covers, end ratchet (5) periphery is become have the outage ratchet back of tooth structure alternately of the energising ratchet back of tooth that copper sheet is covered with and no copper sheet covering, the stiff end of retaining reed (9) is fixed on the housing (1) with binding post (12), its moved end then is pressed in the ratchet tooth back of end ratchet (5) periphery with whole width, and should prop up the flank of tooth of last ratchet, the stiff end that connects electric reed (11) also is fixed on the housing (1) with binding post (12), and the other end is that the moved end then is pressed on the surface of axial copper slip ring with whole width.

2, according to technical scheme, three kinds of different switch case (1), in the ratchet driver in the 2nd and ratchet (5) structure the 1st or the 2nd, the unit switch that common power-off time-delay lamp switch and it and supply socket are formed, the circuit arrangement of switch is by retaining reed (9), divide electric slip ring (10), connect electric reed (11) and binding post coppers such as (12) body formation in addition, wherein dividing electric slip ring (10) is by the end face copper slip ring that abuts against cylinder ratchet the right step and coupled, the cross section is that the axial copper sheet of arc constitutes, these copper sheets have covered the whole back of tooth of all energising ratchets on the cylinder ratchet, thereby the cylinder ratchet is become have the outage ratchet back of tooth structure alternately of the energising ratchet back of tooth that copper sheet is covered with and no copper sheet covering, the stiff end of retaining reed (9) is fixed on the housing (1) with binding post (12), its moved end then is pressed in the ratchet tooth back of cylinder ratchet with whole width, and should prop up the flank of tooth of last ratchet, the stiff end that connects electric reed (11) also is fixed on the housing (1) with binding post (12), and its moved end then is pressed on the left side of end face copper slip ring with whole width.

3, in order to eliminate the shortcoming of the on-delay that unit switch that common power-off time-delay lamp switch and its supply socket combine produces when turning on light, can be on above-mentioned the 1st kind or the 2nd kind of circuit arrangement the branch road of a band contact switch in parallel again, this contact switch is made of two fixed contact and elasticity moving contacts that are fixed on the housing (1), moving contact is controlled by the handle or the arm of dial (4), when dial (4) when going up in position, moving contact is depressed and is disengaged with fixed contact by the handle of dial or arm, make the parallel branch outage, and when dial (4) is pulled away from or dials from original position, the handle or the arm of dial are removed from moving contact thereupon, moving contact is released, and contacts with two fixed contacts under spring action and make the parallel branch energising.Therefore when turning on light, the energising of switch can be advanceed to that time that dial (4) has just left original position.

4, according to technical scheme, three kinds of different housings (1), in the ratchet driver in the 1st or the 2nd and ratchet (5) structure the 3rd, unit switch is formed in automatic power-off time-delay lamp switch and it and supply socket, its circuit arrangement is to be fixed on the contact switch that fixed contact (12) on the housing (1) and an elasticity moving contact (13) constitute by two, the position of moving contact is controlled by the handle of dial (4) or with the reciprocal arm of handle, when dial (4) when going up in position, moving contact is depressed by the handle or the arm of dial (4), make it to disengage with fixed contact, circuit cut-offs, when dial (4) is left behind or dialled when leaving original position down, the handle of dial or arm are removed from moving contact (13) thereupon, moving contact is released, and under the effect of spring, contact simultaneously with two fixed contacts (12), circuit is connected, and when dial is back to original position from descending point, again moving contact is depressed, circuit returns back to outage.

The present invention has finished the power-off time-delay lamp switch design objective with simple structure, compare with the common electrical lamp switch, the outage delay function of power-off time-delay lamp switch brings bigger convenience can for people's live and work, compare with touch type electronic time-delay unit switch and then to have advantage simple in structure, cheap and that operation is easier, in addition, the user can regulate the time of outage time-delay on demand easily.

Concrete structure of the present invention is provided by the following drawings and embodiment.

Figure 1 shows that front view, A-A and the B-B profile of common outage time-delay pulling switch, wherein front view is the switch front view that unloads behind the lid.

Figure 2 shows that automatic outage prolongs the front view of electric pulling switch, A-A, B-B and C-C profile, wherein front view is that face is looked in the switch front of unloading behind the lid.

The front view, C that Figure 3 shows that common outage time-delay switch on wall are to view, A-A, B-B profile.

The front view, C that Figure 4 shows that automatic outage time-delay switch on wall are to view, A-A, B-B and D-D profile.

Figure 5 shows that the front schematic view of the unit switch that common outage time-delay switch on wall and supply socket combine, also is simultaneously the delay time front schematic view of the unit switch that switch on wall and supply socket combine of outage automatically.

The structure and the working condition of common outage time-delay pulling switch now are described in conjunction with Fig. 1: the housing of switch (1) is made by the material of insulation, the two ends of axle (2) are positioned on the left and right sides wall of housing (1) by the boss on left-hand axis board and air chamber (8) chassis respectively, and torsionspring (3), dial (4), ratchet (5), slide block (6), sealed picture (7) and the air chamber (8) of dextrorotation is housed on the axle from left to right successively.Torsionspring (3) is contained on the axle with the state that is tightened in advance and compress, about it two terminations respectively with left wall on left-hand axis board and dial (4) fix.Dial is made by plastics or bakelite, the center porose with axle movingly, and handle is arranged, the backguy (41) that the band line weighs down is housed on the hole of handle outer end, and when the switch inoperation, torsionspring forces the handle of dial to lean against on the upper wall of housing (1), this has just determined the original position of dial, the handle of being left behind until it when dial leans against on the lower wall of housing (1), and this has just determined the lower dead center of dial, dial in position and the angle that can rotate between the lower dead center be slightly larger than 90 °.Have two to be 180 ° end face ratchet on the dial right side apart, the direction of ratchet is consistent with the direction that dial returns rotation.Make by plastics or bakelite by the ratchet (5) that the edge cam three in one of the end ratchet of left end, cylinder ratchet on the outer rim of the left side and right-hand member constitutes, its center porose with axle movingly, its right side abuts against on the thrust shaft shoulder at axle (2) middle part, end ratchet and cylinder ratchet are 4 teeth, the circle center angle that per tooth occupies is 90 °, and the direction of ratchet should be opposite with ratchet aspect on the dial.One end of retaining reed (9) is fixed on the housing (1) with binding post (12), the other end is the ratchet tooth back that the moved end then is pressed in the cylinder ratchet, and prop up the flank of tooth of last ratchet, therefore make the ratchet (5) can not be, and can only return rotation with dial with the dial rotation of leaving behind.Should meet following position relation between dial (4), ratchet (5) and the retaining reed (9): when dial (4) is pulled to lower dead center and is about to arrive lower dead center from original position, the ratchet of dial should be gone into the lowest point of the back one ratchet back of tooth from the last ratchet back of tooth peak clan of end ratchet, and when dial from the lower dead center reposition and when being about to arrive original position, the lowest point of back one ratchet is just gone into from the peak clan of the last ratchet back of tooth of cylinder ratchet in the moved end of retaining reed.Branch electric slip ring (10) is housed on the cylinder ratchet, the axial copper sheet that it is an arc by the end face copper slip ring that abuts against cylinder ratchet the right step and two coupled cross sections constitutes, these two copper sheets cover on the cylinder ratchet on two mutual non-conterminous and whole back of tooth appointed energising ratchet in design, thereby the cylinder ratchet is become by the outage ratchet back of tooth alternately the structure of the energising ratchet back of tooth that has copper sheet to be covered with no copper sheet covering.An end that connects electric reed (11) is fixed on the housing (1) with binding post (12), and the other end then is pressed on the end face copper slip ring.By above-mentioned, retaining reed (9), divide electric slip ring (10), connect the circuit arrangement that electric reed (11) and binding post (12) have just constituted switch.

Edge cam is uniform on circumference by two, constitute for the matrix cut becomes the rising exterior feature face that rise and that extremely vertically descend with arc transition of dextrorotation to the right left when rising is about to finally by the cylinder barrel, its lift angle is 20 °～40 °, the circle center angle that wide face occupied on each should meet: the steamboat center when the wheel face of steamboat has just begun to contact with the wide face that rises, till the steamboat center of little wheel face when the wide face of vertical decline in the wide face that rises contacts, circle center angle therebetween should be equal to or slightly less than 90 °, then be and the not contacted part of steamboat that above-mentioned steamboat is meant the steamboat on the radially thin axle of slide block (6) between two wide faces of rising of edge cam.Slide block (6) center porose with axle movingly, be fixed with two angles of cut on it and be 180 ° radially thin axle, wherein on the radially thin axle of housing (1) bottom surface, two steamboats are housed, contact at interior steamboat wheel face and the edge cam wide face that rises, and steamboat is outside gone in the chute that parallels with axle (2) on the housing bottom surface by setting-in, and can be moving along trough roller, then only adorn the steamboat that its wheel face contacts with the wide face that rises on another radially thin axle.Radially all there is the stop bit axle head outer end of thin axle, in case steamboat is deviate from.Should meet with upper/lower positions between above-mentioned dial (4), ratchet (5), retaining reed (9) and the slide block (6) and concern: when dial in position, and the moved end of retaining reed is when being pressed on the lowest point of the cylinder ratchet energising ratchet back of tooth of ratchet (5), and the wheel face of the steamboat on the radially thin axle of slide block (6) just begins to contact with the wide face of the rising of edge cam.It is little hole that the sealing ring that rubber is made (7) center has than axle (2) diameter, is contained in the right side of slide block.Air chamber (8) is made of the chassis and the rubber cup left side and that protrude left on the right, sealing between the two, there is diameter at the leather cup center than the bigger hole of axle (2), right outer end, chassis has in order to the boss on the right wall that air chamber is positioned at housing (1), the blind hole of the installation axle (2) that inboard center, chassis is useful, still there is the adjustment screw utilized to regulate the exhaust outlet of aperture size in addition on the chassis, and the compression spring that can accelerate the leather cup reinstatement is housed in air chamber.

The work of switch is as follows: shown in Figure 1, electric current is through binding post (12), connect electric reed (11), divide electric slip ring (10), retaining reed (9) and communicate with its binding post that is fixed together (12) and make switch be in "on" position, when turning off the light, leave behind dial to lower dead center, ratchet on the dial falls into the lowest point of the back one ratchet back of tooth from the last ratchet tooth back on the end ratchet of ratchet (5) left end at this moment, and turn round torsionspring tighter, but ratchet (5) does not rotate, therefore switch is still switched on, after decontroling backguy, dial is done automatic reposition with the ratchet that comprises edge cam (5) and is rotated under the torsionspring effect, along with rotation, edge cam rises, and wide face promotes slide block (6) and sealing ring (7) moves right, sealed the center gas port of air chamber immediately, and make the rising of air chamber air pressure and produced the resistance that stops slide block to continue to move to right, the result makes that to return rotation very slow, after air chamber air pressure raises, air chamber has just determined dial (4) and ratchet (5) to return the speed of rotation to the speed of exhaust outlet exhaust, and the aperture of therefore utilizing adjustment screw to regulate exhaust outlet just can be regulated the time of outage time-delay.Rise the arc transition zone of wide face when contacting with steamboat wheel face on the slide block when going to edge cam, slide block (6) will reduce rapidly even completely lose the moment of resistance of cam, therefore dial quickens to rotate under the effect of torsionspring this moment, and the moved end that makes retaining reed (9) when being about to arrive original position is from the peak clan of the energising ratchet back of tooth of the cylinder ratchet the lowest point of the ratchet back of tooth of going into to cut off the power supply, fast shut-off circuit, and got back to original position immediately.And on the other hand when the wide emaciated face of the rising of the steamboat on the slide block and cam after contacting, sealing load between the center gas port of sealing ring and air chamber is completely lost, caused center gas port seal failure, leather cup on the air chamber and compression spring then try hard to restore to the original state, make and form negative pressure in the air chamber, therefore air flows into air chamber through the center gas port under the atmospheric pressure effect, finally make the air chamber reinstatement, and simultaneously sealing ring (7) and slide block (6) are pushed back to the home position, finished the whole process of outage time-delay.When turning on light, leave behind dial to lower dead center, make switch still keep off-position because of ratchet (5) can not rotate this moment, after decontroling backguy, the dial band the ratchet (5) that comprises edge cam and is returned rotation automatically, but do not make drag devices not produce resistance owing to not contacting at this slewing area inner face cam and steamboat on the slide block, therefore dial fast return, and the moved end that makes retaining reed when being about to arrive original position is from the peak clan of the outage ratchet back of tooth of the cylinder ratchet the lowest point of ratchet of going into to switch on, get back to original position immediately after having connected circuit, meanwhile, the back wide face that rises on the edge cam go to slide block (6) on the steamboat wheel face just begun on the position contacting, for outage time-delay is next time got ready.

Figure 2 shows that automatic outage time-delay pulling switch, its structure and common outage time-delay pulling switch are basic identical, both main difference are the difference of circuit arrangement and edge cam structure, in this switch, circuit arrangement is to be made of two fixed contacts (12) and a moving contact (13), and the position of moving contact is controlled by the position of dial (4), when dial is gone up in position, moving contact is depressed by the projection of dial handle outer end, and moving contact and two fixed contacts are disengaged, and circuit cut-offs.After dial was pulled away from original position, projection was removed from moving contact thereupon on the handle, and moving contact is released and contacts with two fixed contacts under the effect of spring at once and makes the switch energising.Secondly the structure of the outage of this switch time-delay drag devices and working condition are identical with common outage time-delay pulling switch, but because the characteristics of this switch are the time-delays of that it(?) just must corresponding generation when whenever drawing switch that is ratchet revolution to cross a tooth once cut off the power supply, in other words, each ratchet of cylinder ratchet on the ratchet of this switch (5) all is the energising ratchet, therefore each ratchet of cylinder ratchet on the ratchet (5) and each the rising profile on the edge cam have and should concern, because the ratchet (5) in this example is the structure that employing circle center angle is 4 ratchets of 90 °, so edge cam also correspondingly is made of 4 uniform on circumference wide faces that rise.The work of this switch is as follows: the dial of leaving behind when turning on light, circuit is promptly by disconnected flexible, after moving lower dead center to and decontroling backguy, dial the ratchet (5) that comprises edge cam at torsionspring effect band and is done automatic reposition rotation, and the retardance that is subjected to drag devices enters outage time-delay process, finally the time, dial is depressed moving contact fast in this process, promptly is back to original position after circuit is cut-off.

Figure 3 shows that common outage time-delay switch on wall, because it is to cooperate installation with the switch enclosure of imbedding within the walls, and be to operate with pointing the outer end of directly stirring dial, so shell (1) of this switch, it is significantly different that the structure of dial (4) and operating body (41) and common outage time-delay pulling switch have, all the other structures and working condition during then with common outage pulling switch identical.

Figure 4 shows that automatic outage time-delay switch on wall, because it also is to cooperate installation with the switch enclosure of imbedding within the walls, and also be directly to stir dial with finger to operate, so shell (1) of this switch, it is significantly different that the planform of dial (4) and operating parts (41) and automatic outage time-delay pulling switch have, and all the other structures and working condition are then identical with automatic outage time-delay pulling switch.It should be noted that in addition that in this switch dial (4) is to utilize with handle to be in the position that moving contact is controlled in reverse cranking arm.

Figure 5 shows that the front schematic view of the unit switch that common outage time-delay switch on wall and supply socket combine, this unit switch is that the panel with common outage time-delay switch on wall gives extending transversely, and on the panel of prolongation, make and the corresponding jack of supply socket, and behind panel, be fixed with standardized supply socket to the corresponding position.

Fig. 5 also is expressed as the front schematic view of the unit switch that automatic outage time-delay switch on wall and supply socket combine simultaneously, this unit switch is that the panel of outage time-delay switch on wall is automatically given extending transversely, and on the panel of prolongation, make and the corresponding jack of supply socket, and behind panel, be fixed with standardized supply socket to the corresponding position.

Claims (19)

1, a kind of power-off time-delay lamp switch, comprise common power-off time-delay lamp switch, automatically the unit switch that combines with supply socket separately of power-off time-delay lamp switch and they, it is characterized in that: the housing of switch (1) is made by the material of insulation, the two ends of axle (2) are positioned on the left and right sides wall of housing (1), the torsionspring (3) of dextrorotation is housed on the axle from left to right successively, dial (4), ratchet (5), slide block (6), sealing ring (7) and air chamber (8), torsionspring (3) is to be tightened in advance and compressed state is contained in the Far Left of axle, two terminations fix with housing (1) and dial (4) respectively about it, the center of dial (4) porose with axle (2) movingly, dial and radially overhanging handle is arranged, the outer end of handle then links to each other with the operating parts (41) of switch, because dial (4) all will be collided with housing (1) when turning to certain angle back and forth, thereby dial can only be rotated in position and between the lower dead center, during the switch inoperation, dial (4) abuts against on the original position under the effect of torsionspring (3) all the time, the handle of dial this moment (4) should be on the angle position, front upper place of axle (2), and when dial forwards lower dead center to, the handle of dial this moment (4) should be on the angle position, front lower place of axle (2), dial in position and the angle that can turn between the lower dead center should be slightly larger than ratchet (5) and go up the circle center angle that each ratchet is occupied, there is the ratchet in order to driving pawl (5) right side of dial (4), under the state of assembling, the direction of ratchet is consistent with dial reposition rotation direction, the ratchet on the right side of dial (5) is made by insulating material, its center is porose, be contained on the axle, because of structure qualification, it can not be moved right along axle, ratchet (5) is formed the ratchet transmission with the ratchet on the dial (4) and is paid, therefore under confined state, the ratchet direction should be opposite with the direction of ratchet on the ratchet, in addition, one end of retaining reed (9) is fixed on the housing (1), and its other end that is moved end, then be pressed in the ratchet tooth back of ratchet (5), and should prop up the flank of tooth of last ratchet, constituted the ratchet stopping device, therefore make the ratchet (5) can not be with the dial rotation of leaving behind, rotate and can only do automatic reposition with dial, dial (4), should meet with upper/lower positions between ratchet (5) and the retaining reed (9) and concern: what at first require is that the ratchet on the dial (4) should be gone into the lowest point of a ratchet back of tooth afterwards from the peak clan of the last ratchet back of tooth of ratchet (5) when dial (4) is pulled to or dials to lower dead center and is about to arrive lower dead center from original position, and when dial (4) from the automatic reposition of lower dead center and when being about to arrive original position, the lowest point of the back one ratchet back of tooth is just gone into from the peak clan of the last ratchet back of tooth of ratchet (5) in the moved end of retaining reed (9); What secondly require is to work as dial (4) in the time of the automatic reposition of lower dead center, the circle center angle of that ratchet of being dialled by dial (4) ratchet on the ratchet, the circle center angle of that ratchet that should be pushed down by the moved end of retaining reed (9) with its back of tooth on the ratchet equates all the time, be contained in the slide block (6) on the right side of ratchet (5), its center porose with axle (2) movingly, simultaneously because of structural qualification, make it move and can not rotate along axle (2), between ratchet (5) and slide block (6), be provided with the edge cam transmission device, it is with ratchet (5) rotation with the automatic reposition of dial (4) in outage time-delay process, be converted into slide block (6) along axle (2) moving to the right, sealing ring (7) is made by rubber, its center has diameter to be little hole than axle (2), when moving right, it has sealed the center gas port of air chamber (8) under slide block promotes, air chamber (8) is contained in rightmost, it is made of the chassis and the rubber cup left side and that protrude left on the right, sealing between the two, the leather cup center has diameter to be big hole than axle (2), gap between this hole and the axle (2) forms the center gas port, there is the blind hole that axle is installed at the inboard center on chassis, still there is the adjustment screw utilized to regulate the exhaust outlet of its aperture size in addition on the chassis, corresponding circuit arrangement is still arranged in the housing of switch, it and above-mentioned member are combined together, constitute required power-off time-delay lamp switch

Obviously, be the switch of left-right symmetric relation with above-mentioned power-off time-delay lamp switch, that is carry out the switch that reverse design forms on the left and right directions by such scheme, it and former switch have the function that is equal to, and also belong within this claim.

2, by the described power-off time-delay lamp switch of claim 1, it is characterized in that housing (1) is made of housing left-hand axis board and lid etc., housing is the rectangular box of an opening, its bottom outer rim has installing hole, Qi Zuobi and right wall all have the groove of transparent walls mouth, respectively in order to left-hand axis board and air chamber (8) to be installed, the hole that has air supply chamber (8) exhaust outlet adjustment screw to pass through on the right wall, the chute that the inboard, bottom surface has a confession slide block (6) that is parallel to axle (2) to slide, the hole of passing through for backguy is arranged on the lower wall, there are the original position of definite dial (4) and the corresponding construction of lower dead center in lower wall or inboard, bottom surface on housing, the left-hand axis board is the annex of left wall, its center porose with axle (2) movingly, its right-hand member has for torsionspring (3) location and the groove of fixing spring termination, on its left side boss is arranged, this boss embeds in the groove of housing left side wall, and the left end of axle (2) is located, and covers porose, fix with screw and housing

When adopting above-mentioned housing (1) as the housing of power-off time-delay lamp switch, the operating parts of switch (41) is that the backguy and the line that tie up on dial (4) the handle outer end hole weigh down.

3, by the described power-off time-delay lamp switch of claim 1, it is characterized in that housing (1) is to be made of housing and left-hand axis board etc., housing is that the square or rectangular panel of strengthening the edge is arranged around one, and its middle part is the circular arc wall that has the outside protrusion of common axial line with axle (2), the two ends of this wall are sealed by Zuo Bi and right wall, Zuo Bi and right wall still extend to panel rear, and the groove that the transparent walls mouth is all arranged, respectively in order to left-hand axis board and air chamber (8) to be installed, the hole that on the right wall of panel forward direction, has air supply chamber exhaust outlet adjustment screw to pass through, the left side of circular arc wall and with the corresponding position of dial (4) on, have the edge of a groove and the perpendicular long and narrow slotted eye of bus of circular arc wall, lower limb is used for determining the original position and the lower dead center of dial (4) on the slotted eye, the chute that the inboard of circular arc wall has a confession slide block (6) that is parallel to axle (2) to slide, the switch installing hole is still arranged on the panel of switch, the left-hand axis board also is the annex of left wall, its structure identical with described in the claim 2

When adopting above-mentioned housing (1) as the housing of power-off time-delay lamp switch, the operating parts of switch (41) be exactly pass on the dial (4) the long and narrow slotted eye of housing circular arc wall handle outer end and with the handle one, be to guarantee the ring that handling safety is hidden from view long and narrow slotted eye fully, the handle of above-mentioned dial and ring are made by the plastics or the bakelite of insulation.

4, by the described power-off time-delay lamp switch of claim 1, the structure that it is characterized in that housing (1) is all described basic identical with claim 3 with the operating parts (41) that reaches switch, but the panel of housing (1) is by extending transversely, and have and the corresponding jack of supply socket in the part that prolongs, and standardized supply socket is housed in the corresponding position, the back side of panel.

5, it is characterized in that by the described power-off time-delay lamp switch of claim 1 there is a thrust shaft shoulder at the middle part of axle (2), the right side of ratchet (5) then abuts against on this shaft shoulder, so ratchet (5) can not move right along axle (2).

6, by the described power-off time-delay lamp switch of claim 1, it is characterized in that ratchet (5) is to be fixed on the axle (2), so it can not move right along axle (2).

7, by the described power-off time-delay lamp switch of claim 1, it is characterized in that on the right side of dial (4) fixedly end face ratchet being arranged, ratchet (5) is an end ratchet that external diameter is bigger than the external diameter of end face ratchet, enclose in it with the transmission of end face ratchet formation ratchet and pay, its periphery then constitutes the ratchet stopping device with retaining reed (9).

8, by the described power-off time-delay lamp switch of claim 1, it is characterized in that on the right side of dial (4) fixing end face ratchet being arranged, ratchet (5) is to be made of the end ratchet of left end and the cylinder ratchet on the outer rim, the number of teeth of this two ratchet and teeth directional are all identical, the end face ratchet of end ratchet and dial (4) constitutes the ratchet transmission to be paid, and garden post ratchet then constitutes the ratchet stopping device with retaining reed (9).

9, by the described power-off time-delay lamp switch of claim 1, it is characterized in that that ratchet with retaining reed (9) formation stopping device on the ratchet (5) is to be formed alternately by the bigger less outage ratchet of energising ratchet and circle center angle in circle center angle, and the circle center angle of respectively switch on ratchet and each outage ratchet should be distinguished equal separately, the number of teeth of this ratchet is the even number greater than 2, as 4 or 6 teeth etc.

10, by the described power-off time-delay lamp switch of claim 1, it is characterized in that it is to be formed alternately by energising ratchet and outage ratchet that the circle center angle all equates that ratchet (5) is gone up with that ratchet of retaining reed (9) formation stopping device, the number of teeth of this ratchet is the even number greater than 2, as 4 or 6 teeth etc.

11, by the described power-off time-delay lamp switch of claim 1, it is characterized in that it all is that the energising ratchet that the circle center angle equates constitutes that ratchet (5) is gone up with that ratchet of retaining reed (9) formation stopping device, the number of teeth of this ratchet is the integer greater than 2, as 3,4,5 or 6 teeth etc.

12, by the described power-off time-delay lamp switch of claim 1, it is characterized in that the edge cam transmission device between ratchet (5) and the slide block (6), by ratchet (5) right-hand member, and edge cam with ratchet (5) one, and and slide block (6) one, the radial spoke that keeps in touch with the wide face of the rising of edge cam in outage time-delay process constitutes, the cam profile of edge cam on the matrix cylinder outer wall is by equating with the energising ratchet number of teeth of ratchet (5) for number, and rising profile section uniform on circumference is formed, each rising profile section comprises the rising profile part and the profile part that arc transition extremely vertically descends when being about to finally that rises of the rising to the right of dextrorotation left, the circle center angle that each rising profile section is occupied should be equal to or slightly less than ratchet (5) and go up each energising circle center angle that ratchet occupied, the lift angle of rising profile is between 20 °～40 °, it between the two adjacent rising profile sections the not contacted part of radial spoke on edge cam and the slide block (6), with radial spoke slide block (6) one and that radially outwards stretch, constitute its width between its front and the back, wherein the front is that its extended line is by slide block central axis and the longitudinal edge vertical with central axis, the back then is to return with dial (4) according to edge cam to lag behind a limit in front when rotating, radial spoke and edge cam rise the contacted part of wide face for and the corresponding inclined-plane of wide face that rises, when outage time-delay beginning, the front of radial spoke overlaps with the starting point of edge cam rising profile section, the quantity of radial spoke equates with the quantity of edge cam rising profile section in principle, and it is uniform on circumference, but can simplify, when the quantity of edge cam rising profile section is during greater than 2 even number, during as 4 or 6 sections, slide block (6) can be reduced to that to have only two angles of cut between its front be 180 ° radial spoke, and when the quantity of the rising profile section of edge cam be during greater than 3 odd number, can be reduced to and have only 3 radial spokes, at this moment, wherein the angle of cut between the front of two radial spokes equals the circle center angle occupied between the two adjacent rising profile section starting points on the edge cam, and the front of the 3rd radial spoke should be on the reverse extending line of this angle of cut bisector, in addition, in the radial spoke of slide block (6), there is one to be long, its outer end embeds on the housing (1) and the chute that axle (2) parallels, and can slide along groove, therefore make slide block (6) move and can not rotate along axle (2), dial (4), ratchet (5), should meet with upper/lower positions between retaining reed (9) and the slide block (6) and concern: when dial (4) is in original position, when the moved end of retaining reed (9) was pressed in the lowest point of ratchet (5) the energising ratchet back of tooth, the front that slide block (6) is gone up radial spoke should be on the starting point of edge cam rising profile section.

13, by the described power-off time-delay lamp switch of claim 1, it is characterized in that the edge cam transmission device between ratchet (5) and the slide block (6), by ratchet (5) right-hand member, and edge cam with ratchet (5) one, and be fixed on the slide block (6), the radially thin axle that a steamboat is housed on it constitutes, when the outage time-delay, this steamboat and edge cam keep in touch, outward the radially thin axle radially from the slide block center, there is the stop bit axle head its outer end, the inner end then is fixed on the slide block, the steamboat center is porose, can on radially thin axle, rotate, when outage time-delay beginning, the wheel face of steamboat should be in and just begin on the position contacting with the edge cam wide face that rises, radially the quantity of thin axle equates with the quantity of edge cam rising profile section in principle, and it is uniform on circumference, but can simplify, the situation of its simplification is identical with the simplification of radial spoke in the claim 12, slide block (6) is gone up in each radially thin axle has one to be long, and two steamboats are housed, wherein contact at interior steamboat and the edge cam wide face that rises, and steamboat outside embeds in the chute that housing (1) is gone up with axle (2) parallels, and can be moving along trough roller, therefore make slide block (6) move and can not rotate along axle (2), the edge cam of ratchet (5) right-hand member, the size at the circle center angle of being occupied except that each rising profile section be should give the correction, all the other are all described identical with claim 12, theing contents are as follows of this correction: the steamboat center when the wheel face of steamboat has just begun to contact with rising profile section, till the center of the steamboat that contacts with the vertical decline profile of rising profile section to the steamboat wheel face, circle center angle therebetween should be equal to or slightly less than the last energising circle center angle that ratchet occupied of ratchet (5), dial (4), ratchet (5), should meet with upper/lower positions between retaining reed (9) and the slide block (6) and concern: when dial (4) is in original position, and the moved end of retaining reed (9) is when being pressed on the lowest point of the energising ratchet back of tooth of ratchet (5), and the steamboat wheel face on the radially thin axle of slide block (6) should be in edge cam rising profile section and just begin on the position contacting.

14, by described time-delay lamp switch when disconnected of claim 1, it is characterized in that air chamber (8) chassis outer side center has the boss in order to installing and locating, and the cylinder compression spring that quickens the leather cup reinstatement is housed in the air chamber.

15, by claim 1,2,3,4,7,9 or 10 described power-off time-delay lamp switchs, it is characterized in that, the unit switch that common power-off time-delay lamp switch and it and supply socket are formed, the circuit arrangement of switch is by retaining reed (9), divide electric slip ring (10), connect electric reed (11) and binding post coppers such as (12) part formation in addition, wherein dividing electric slip ring (10) is to be made of a copper sheet that is fixed on the axial copper slip ring on end ratchet (5) the outer rim face of cylinder and is connected as a single entity with it and cover on the whole back of tooth of ratchet of respectively switching on the end ratchet periphery, after copper sheet covers, end ratchet (5) periphery is become have the outage ratchet back of tooth structure alternately of the energising ratchet back of tooth that copper sheet is covered with and no copper sheet covering, the stiff end of retaining reed (9) is fixed on the housing (1) with binding post (12), its moved end then is pressed in the ratchet tooth back of end ratchet (5) periphery with whole width, and should prop up the flank of tooth of last ratchet, the stiff end that connects electric reed (11) also is fixed on the housing (1) with binding post (12), and the other end is that the moved end then is pressed on the surface of axial copper slip ring with whole width.

16, by claim 1,2,3,4,7,9 or 10 described power-off time-delay lamp switchs, it is characterized in that, the unit switch that common power-off time-delay lamp switch and it and supply socket are formed, the circuit arrangement of switch be with the described identical circuit arrangement of claim 15 on the branch road of a band contact switch in parallel again, this contact switch is made of two fixed contact and elasticity moving contacts that are fixed on the housing (1), moving contact is controlled by the handle or the arm of dial (4), when dial (4) when going up in position, moving contact is depressed and is disengaged with fixed contact by the handle of dial or arm, make the parallel branch outage, and when dial (4) is pulled away from or dials from original position, the handle or the arm of dial are removed from moving contact thereupon, moving contact is released, and contacts with two fixed contacts under spring action and make the parallel branch energising.

17, by claim 1,2,3,4,8,9 or 10 described power-off time-delay lamp switchs, it is characterized in that, the unit switch that common power-off time-delay lamp switch and it and supply socket are formed, the circuit arrangement of switch is by retaining reed (9), divide electric slip ring (10), connect electric reed (11) and binding post coppers such as (12) body formation in addition, wherein dividing electric slip ring (10) is by the end face copper slip ring that abuts against post ratchet the right, garden step and coupled, the cross section is that the axial copper sheet of arc constitutes, these copper sheets have covered the whole back of tooth of all energising ratchets on the cylinder ratchet, thereby the cylinder ratchet is become have the outage ratchet back of tooth structure alternately of the energising ratchet back of tooth that copper sheet is covered with and no copper sheet covering, the stiff end of retaining reed (9) is fixed on the housing (1) with binding post (12), its moved end then is pressed in the ratchet tooth back of cylinder ratchet with whole width, and should prop up the flank of tooth of last ratchet, the stiff end that connects electric reed (11) also is fixed on the housing (1) with binding post (12), and its moved end then is pressed on the left side of end face copper slip ring with whole width.

18, by claim 1,2,3,4,8,9 or 10 described power-off time-delay lamp switchs, it is characterized in that, the unit switch that common power-off time-delay lamp switch and it and supply socket are formed, the circuit arrangement of switch be with the described identical circuit arrangement of claim 17 on the branch road of a band contact switch in parallel again, the structure of this collateral contact switching branches and working condition are identical with the collateral contact switching branches described in the claim 16.

19, by claim 1,2,3,4,7,8 or 11 described power-off time-delay lamp switchs, it is characterized in that, unit switch is formed in automatic power-off time-delay lamp switch and it and supply socket, its circuit arrangement is to be fixed on the contact switch that fixed contact (12) on the housing (1) and an elasticity moving contact (13) constitute by two, the position of moving contact is controlled by the handle of dial (4) or with the reciprocal arm of handle, when dial (4) when going up in position, moving contact is depressed by the handle or the arm of dial (4), make it to disengage with fixed contact, circuit cut-offs, when dial (4) is left behind or dialled when leaving original position down, the handle of dial or arm are removed from moving contact (13) thereupon, moving contact is released, and under the effect of spring, contact simultaneously with two fixed contacts (12), circuit is connected, and when dial is back to original position from descending point, again moving contact is depressed, circuit returns back to outage.

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