CN2136523Y - Multifunction time delay energy-saving switch - Google Patents

Abstract

The utility model relates to a mechanical timing switch which comprises delaying components that are composed of an air cylinder, a piston, sealing elements and porous materials, electric connection components that are composed of a piston pillar, insulation materials and electric connection reeds, and function transferring components that are composed of push buttons, turn knobs, a shell, a press platen and screws. Since the utility model is full mechanical and most of the assembly can be formed in one piece through die-casting, switches with 1 to 10 minutes delaying can be fabricated only through changing the porous materials. The mechanical timing switch, which is suitable for public places such as architectural corridors, passageways, etc., can achieve the purpose of saving power.

Description

Multifunction time delay energy-saving switch

The utility model is a kind of mechanical delay switch.

Existing general switch has only two kinds of user modes, promptly often opens or normally closed, and it does not possess the effect of timing closing, the phenomenon of altar lamp often occurs.No. 88203060.4 patent disclosures of China " self-extinguishing switch " of a kind of mechanical delay, its major technique feature is transmission mechanism, damping mechanism, the Y type sensitive switch by spring, the energising of control power supply is with the effect that reaches time-delay, cuts off the power supply automatically.This time-delay mechanism belongs to a kind of clock delay mechanism, gear time-delay structure complexity, and part requirement precision height, thereby cost height, and it is not that general small business can make.

The purpose of this utility model be a kind of fully mechanical of design, simple in structure, cost is low, possesses the switch of often the opening of general switch and self-extinguishing switch, normally closed, timing closing function simultaneously.

The utility model is to reach goal of the invention by following scheme.

This mechanical delay, switch contained time delay part, power part spare and function selecting part.

Time delay part is the air damping time-delay mechanism that is made up of cylinder, piston body, spring and seal, the profile of piston body is a thick cylinder between detail up and down, top is provided with axial step hole and radial direction through hole, two holes communicate, the step top of axial hole is equipped with porous material, the lower end of piston body is equipped with insulating material, the axial pass trough of two symmetries is set on the below wall of cylinder, cylinder is crossed the radial direction through hole of piston body and the axial groove of two symmetries on the cylinder wall pin is set by loam cake and the sealing of following guide collar.

Power part spare by mast, the insulating material of the Lower Half of the stepwise cylinder of piston body, connect electric reed and lead is formed.

This switch also contains function selecting part, form by knob, button and housing, by pressing plate and screw the three is combined, have keyway on the knob, the key corresponding with groove is set on the button, and the pin of crossing the axial groove of piston body radial direction through hole and cylinder is crossed the radial direction through hole of two symmetries that have below the button simultaneously.

The utility model not only often have open, normally closed function, and have the effect of timing closing, it is applicable to public places such as various buildings corridor, corridor, stops normal bright lamp, reaches the purpose of economize on electricity.Because adopted the structure of fully mechanical, most of parts can directly make by die casting, damping mechanism has adopted the vapour lock material, makes total simple, and cost is low to be held concurrently, and general small business can make.The utility model only need change porous material, adopts the material of different parameters just to can be made into the switch of delaying time in 1～10 minute, is more convenient for enlarging range of application.

Description of drawings of the present utility model is as follows:

Fig. 1 is in confined state for multi-functional time-delay power down switch, i.e. the main cutaway view of normally off.

Fig. 2 is in the main cutaway view of on-delay state for multi-functional time-delay power down switch.

Fig. 3 is the knob vertical view of multi-functional time-delay power down switch.

The utility model is with Fig. 1 book extract accompanying drawing as an illustration.

Describe concrete structure of the present utility model and course of action in detail below in conjunction with accompanying drawing.

Switch of the present utility model contains time delay part, power part spare and function selecting part.

Time delay part is made up of the guide collar (15) of cylinder (11), piston body (10), seal (8), porous material (9), spring (14), cylinder upper cover (7) and cylinder bottom.Cylinder (11) is a tubular cylinder, and it is big that the top internal diameter is wanted, and the Lower Half of cylinder (11) is provided with two axial guide grooves (13).Cylinder (11) is built-in with piston body (10), the profile of piston body (10) is a cylinder, the external diameter of upper and lower part is less than the external diameter at middle part, the interior first half of piston body (10) is provided with an axially logical and radial direction through hole of stepwise, two holes communicate, when switch was in normally off, radial direction through hole was corresponding with the upper position of the axial groove (13) of cylinder, crossed groove (13) and radial direction through hole and inserted a pin (12).Upper step place outside piston body (10) posts seal (8), " basin " of seal (8) likeness in form bottom band macropore, the macropore at " basin " end is inserted in the top cylinder of piston body (10), the end that makes " basin ", is along the place of topping bar that places piston body (10), and the inwall that groove (13) is above in the upper edge sealing cylinder of " basin ", upper step (21) is following, the top cylinder of piston body (10) will exceed the upper edge of " basin ", does not bump against with the inwall of loam cake (7) to guarantee time-delay back seal (8).Amplexiform porous material (9) on the step in piston body (10) upper axial hole, the bottom cylinder week side of piston body (10) has spring (14), the top of spring (14) is stopped by getting out of a predicament or an embarrassing situation of piston body (10), the below is by guide collar (15) supporting, the lower end of guide collar (15) closed cylinder (11).The bottom of piston body (10) is equipped with insulating material (16).

Function selecting part is made up of the housing (3) of button (5), knob (4) and switch, and by pressing plate (2) and screw (1) they is combined.The housing of switch (3) is the cylinder with multiple stepwise through hole, and the outside, bottom of the cylinder of time delay part (11) is connected by screw thread (23) with the inwall of housing (3).Time delay part places in the groove (6) at button (5) middle part, the bottom of button (5) is provided with the radial direction through hole of two symmetries, cross the two ends of pin (12) of the axial pass trough (13) of the radial direction through hole of piston body (10) and cylinder (11) and insert in the relative button radial direction through hole, button (5) and time delay part are joined.Knob (4) is placed at the step place in the top of housing (3), knob (4) places between button (5) and the housing (3), be equipped with pressing plate (2) on the step surface of the upper end of housing (3) and knob (4), with screw (1) pressing plate (2) and housing (3) are anchored at together, one swing handle (25) is set on the knob (4), also have two keyways (24), button (5) is gone up and is provided with and corresponding two keys of keyway (24).

The insulating material (16) that power part spare contains the mast of piston body (10) bottom, join with the mast end, contactedly connect electric reed (17) with mast and insulating material (16), make connect electric reed (17) anchor at the attachment screw (18) of housing (3) on getting out of a predicament or an embarrassing situation, make lead (20) with connect that electric reed (17) links to each other connect electric screw (19).

Accompanying drawing 1 is depicted as normally off of the present utility model, and connect electric reed (17) and contact with insulating material (16) this moment two.Press the button (5), drive piston body assembly compression spring (14) by pin (12), to touching mutually to the interior middle bench of the lower end of button (5) and housing (3), connect electric reed (17) at this moment and piston body (10) bottom mast contacts, switch is in conducting state.Gas is entered the top of cylinder (11) by the axial space (22) alternate with seal (8), gathering sill (13) upper end of cylinder (11).As shown in Figure 2.Rotate 90 ° as rotating handle (25) with knob (4), then the keying mistake on knob (4) keyway (24) and the button (5) is opened certain angle, button (5) is blocked in rotation (4), thereby the spring of piston piece body (14) can not move, and this moment, switch was in normally open.As turn knob (4) not, after loosing one's grip, piston component moves under the effect of spring (14), because the effect of seal (8), gas will be compressed and cause air pressure to raise in the cylinder (11), thereby form a pressure reduction at the two ends of piston body (10).Gas in the cylinder (11) only can pass through porous material (9), and the axial hole on piston body (10) releases through the radial direction through hole place again.Porous material (9) becomes the resistance that moves on the piston component, and the size of this resistance can be regulated by the suitable parameters of selecting porous material (9), and resistance is big more, and the switch time-delay is long more.When the big position of top internal diameter that moves on on the seal (8) of piston component in cylinder (11) body, sealing function lost efficacy, pressure drag disappears, piston component rises rapidly, the loam cake (7) that touches cylinder (11) when piston body (10) upper end ends, connect electric reed (17) and touch mutually with the insulating material (16) of piston boit boom end this moment, finished by the conversion of conducting to outage.

Claims (1)

1, a kind of multi-functional mechanical delay switch, it contains time delay part and power part spare, it is characterized in that:

(I) time delay part is the air damping time-delay mechanism that is made up of cylinder, piston body, spring and seal, the profile of piston body is a thick cylinder between detail up and down, top is provided with axial step hole and radial direction through hole, two holes communicate, the step top of axial hole is equipped with porous material, the lower end of piston body is equipped with insulating material, the axial pass trough of two symmetries is set on the below wall of cylinder, cylinder is crossed the radial direction through hole of piston body and the axial groove of two symmetries on the cylinder wall pin is set by loam cake and the sealing of following guide collar;

(II) power part spare by mast, the insulating material of the Lower Half of the stepwise cylinder of piston body, connect electric reed and lead is formed;

(III) this switch also contains function selecting part, form by knob, button and housing, by pressing plate and screw the three is combined, have keyway on the knob, the key corresponding with groove is set on the button, and the pin of crossing the axial groove of piston body radial direction through hole and cylinder is crossed the radial direction through hole of two symmetries that have below the button simultaneously.

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