CN2445421Y - Switch structure - Google Patents

Abstract

The utility model relates to a switch structure which belongs to the field of the electric appliance. The utility model is provided with a power switching control mechanism composed of a button, a contact control element and an elastic contact piece, wherein, the button can be pressed, so the convex part end of the button can directly have a contact and be butted with the contact control element, or loosen the contact control element to drive the contact control element to press or loosen the elastic contact piece to form the conducted or disconnected state of a circuit loop. Through the simple combined structure, the utility model is assembled integrally easily, has the advantages of low manufacture cost, simplified linking process and reduced operational fault.

Description

Construction of switch

The utility model belongs to the electric equipment products field, refer in particular to a kind of with push protuberance end that a button makes this button directly contact compress or loosen this touch controls element, interlock touch controls element is oppressed or is unclamped an elastic contact chip, forms the construction of switch of circuit loop conducting or off state.

Its operation of general mains switch is main to be energising and to close two kinds of actuating lengths, be interlock action, the simplification switch module of effectively carrying out the switch intraware, or for further preventing because of power supply instability, using current overloads such as electric appliance load is too much, the electricity consumption danger that the circuit that causes is overheated, electric wire cocks off breaking out of fire, the improvement of construction of switch becomes producer's common issue.

For the switch manufacturer, under before effectively carrying out switch running basic, inscribing, if can reduce the element of composition, make the element cost except reducing, simultaneously also will reduce built-up time, overall cost will reduce relatively, and price also can reduce relatively, for producer and the equal Meng Qili of consumer both sides, case is too numerous to enumerate before the patent of construction of switch, as United States Patent (USP) the 4th, 167, No. 720, the 4th, 937, No. 548, the 5th, 223, No. 813, the 5th, 451, No. 729, the 5th, 558, No. 211 ... etc. too numerous to enumerate, but case all has common shortcoming before the patent such as all, promptly is that the assembly behind button is many, the stroke complexity of interlock, except increasing manufacturing cost, also will increase because of assembly causes the chance of fault more.

As Fig. 1, Fig. 2 and shown in Figure 3, United States Patent (USP) the 5th, 223, the structure that is disclosed for No. 813, after its button press, the connecting rod of elder generation interlock button below swings up and down assembly via what connecting rod linked, compresses or the elastic contact chip that loosens its below makes contact under its upper contact contact or the escape and conducting or cut off circuit again; Should there be the problem of manipulating under the desirable state, yet, well known, because numerous and diverse cost of deriving of assembly is higher, reach the distinct disadvantage that increases operating trouble and delay of response and still exist, become manufacturing and user's common issue with, so remain further to be improved again.

The purpose of this utility model is to propose a kind of construction of switch of being made up of Switch main body, touch controls element, elastic contact chip and button, it simplifies the switch interlock, at current overload, when overheated, can promptly make the contact escape of two connection power supplys, cut off the electricity supply, keeping Electrical Safety, thereby solved the existing in prior technology problem.

The technical scheme that the utility model adopted is: it includes: a button, a Switch main body, a touch controls element, an elastic contact chip; Compress or loosen the touch controls element by a button, cooperate an elastic contact chip, produce continuous action relation and close or turn-on power, it is characterized in that:

This button, its two ends can the centre turns, and the bottom side has extended more than one protuberance;

This touch controls element, the touch controls element is provided with an afterbody, and the touch controls element is assembled in Switch main body and up and down relatively in Switch main body;

This elastic contact chip is a free end above it, is provided with a upper contact, and its below is connected to second contact terminal.

Advantage of the present utility model is the design that it can cooperate utilization to be subjected to the alloy piece of thermal strain to dial the serial verb construction of selection structure and touch controls element, the switch interlock is simplified, at current overload, when overheated, can promptly make the contact escape of two connection power supplys, cut off the electricity supply, safeguarding Electrical Safety, and overall package is easy, reduce manufacturing cost, operating trouble is simplified and reduced to the interlock process.

Fig. 1 is the three-dimensional exploded view of known technology.

Fig. 2 is the cutaway view of known technology, and its display switch cuts out the situation of (OFF).

Fig. 3 is the cutaway view of known technology, the situation of its display switch energising (ON).

Fig. 4 is the exploded perspective view of the utility model embodiment one.

Fig. 5 is the cutaway view of the utility model embodiment one combination, and the switch of its demonstration the utility model embodiment cuts out the situation of (OFF).

Fig. 6 is the cutaway view of the utility model embodiment one combination, and it shows the situation of the switch energising (ON) of the utility model embodiment.

Fig. 7 is the exploded perspective view of the utility model embodiment two.

Fig. 8 is the utility model embodiment two, and it shows the another kind of structure of touch controls element, in the schematic diagram of switch energising (ON).

Fig. 9 is the cutaway view of the utility model embodiment two, and it shows the utility model embodiment two when current overload, and the touch controls element drops, the action schematic diagram of current circuit escape.

Further specify the preferable example of specifically executing of the present utility model in conjunction with above-mentioned each accompanying drawing now, as shown in Figure 4, it is the exploded perspective view of embodiment of the present utility model, and the utility model includes:

One button 1, upper surface are a recessed arc limit, and the below is concaved with an axial trough 11 in the middle of its side, and button 1 is the center turn with an axial trough 11, and button 1 bottom side extends and is provided with more than one protuberance 12, and the protuberance 12 of present embodiment generally is made as triangular shape.

One Switch main body 2, it is a hollow housing with side openings shape, there is an opening 21 on its top, these opening 21 below madial walls convex with an axostylus axostyle 201 and establish button 1 in an axial trough 11 for group, offer first slot 23, second slot 25 in the bottom surface, first, second contact terminal 24,26 of pegging graft respectively; The interior sidewall surface of the Switch main body 2 of this hollow convexes with coupled column hole 202, a stopper 22, a fixed leg 27 of a hollow respectively, be respectively equipped with several combined holes 203 again in the corner, Switch main body 2 has a lid 28, these lid 28 inwalls are convexly equipped with a coupled column 281, corresponding to coupled column hole 202, lid 28 corners are provided with several combined holes 282, and the combined hole 203 corresponding to Switch main body 2 is riveting in Switch main body 2 with rivet 283.

One touch controls element 3, the last end face of this touch controls element 3 has more than one upper convex portion 31, its head end has upwards extended a hook portion 32, following end face is provided with more than one down protuberance 33 approximately with respect to the position of upper convex portion 31, touch controls element 3 has extended an afterbody 30, the end of afterbody 30 is support end 301, the inner side of touch controls element 3 offers a upright microscler groove 37, use that touch controls element 3 is assembled in the set fixed leg 27 of Switch main body 2, make the touch controls element 3 can be with respect to fixed leg 27 upper and lower displacements of Switch main body 2.

One elastic contact chip 4, free end is provided with a contact hole 41 above it, and in contact hole 41 from bottom to top in conjunction with a upper contact 42, this upper contact 42 is positioned at following contact 241 tops of first contact terminal 24, the below of elastic contact chip 4 is a tabular, be connected in second contact terminal, 26 upper ends, fixed clamp is between the bottom surface of fixed head 251 and Switch main body 2.

As shown in Figure 5, it is the cutaway view of the utility model embodiment combination, the switch of its demonstration the utility model embodiment cuts out the situation of (OFF), this situation of closing is meant the off switch voluntarily by the user, when the user presses the button 1 right-hand member, button 1 is the axle center action that turns clockwise with axostylus axostyle 201, making protuberance 12 is that clockwise direction circular motion (in present embodiment for left) is done in the axle center with axostylus axostyle 201 also, the lower extreme point of protuberance 12 is right-hand from the upper convex portion 31 of touch controls element 3, slide onto the left of upper convex portion 31,4 of this elastic contact chips pop up because of the compacting of the following protuberance 33 that loses touch controls element 3, upper contact 42 is separated with following contact 241 escapes, and first contact terminal 24 and second contact terminal 26 promptly are the feed lines that opens circuit and cut off the electricity supply.

As shown in Figure 6, it is the cutaway view of the utility model embodiment combination, and it shows the situation of the switch energising (ON) of this real new embodiment; When the user presses the button 1 left end, button 1 is that the axle center is rotated counterclockwise action with an axostylus axostyle 201, making protuberance 12 is that anticlockwise circular motion (in present embodiment for to the right) is done in the axle center with axostylus axostyle 201 also, the lower extreme point of protuberance 12 is from right-hand to upper convex portion 31 of the left side shifting of the upper convex portion 31 of touch controls element 3, and compressing touch controls element 3 is downward, make down protuberance 33 compress elastic contact chip 4 downwards, the upper contact 42 of elastic contact chip 4 free end bottom surfaces is contacted with following contact 241, extraneous electric power promptly by first contact terminal, 24 footpaths by contact 241 down, upper contact 42, elastic contact chip 4 to second contact terminals 26, and constitute a complete electric loop.

When closing (OFF) in aforementioned switches, the support end 301 of the afterbody 30 of this touch controls element 3 is the top face that are positioned at the stopper 22 of Switch main body 2; And when switch energising (ON), the support end 301 of this afterbody 30 is butted on the end face of the set stopper 22 of Switch main body 2, this moment, this support end 301 was provided as the rotary middle point of touch controls element 3, make down protuberance 33 according to the inverse clock rotation, compress elastic contact chip 4 downwards upper contact 42 is connect to following contact 241.

Form structure by this easily, pressing button 1 compresses the direct contact of protuberance 12 ends of this button 1 or loosens this touch controls element 3, interlock touch controls element 3 is oppressed or is unclamped this elastic contact chip 4, forms the construction of switch of circuit loop conducting or off state.

Another specific embodiment two of the utility model, as shown in Figure 7 and Figure 8, be that touch controls element 3 lateral surfaces are arranged with a combination groove 34, this combination groove 34 caudad offers an otch 341, otch 41 assemblings one movable afterbody 35, the afterbody 30 of its function such as embodiment one, the cylinder of this activity afterbody 35 is equipped with raised line 351 near an end lateral surface, the other end is support end 352, the outer peripheral face of movable afterbody 35 is slightly less than the inner peripheral surface of otch 341, group is established an elastic component 36 (in the present embodiment for compress spring) in combination groove 34, makes the movable afterbody 35 can be in otch 341 relative telescopic movables, and is limited to raised line 351.

Movable afterbody 35 cooperation groups by this movable telescopic are established an alloy piece 5 in circuit loop, this metal 5 is at the switching circuit current overload, (see also Fig. 9) when overheated, to 352 pushing and pressing of the support end of movable afterbody 35, this activity afterbody 35 is subjected to this thrust and makes support end 352 break away from replacing of stopper 22 end faces to the contraction of touch controls element 3 body directions, movable afterbody 35 loses the support of stopper 22 together with touch controls element 3 right-hand members and drops downwards, and the following protuberance 33 of touch controls element 3 belows is the axle center with the fixed leg in the groove 37 27, turn clockwise relatively upwards, make gesture that elastic contact chip 4 can make progress along with following protuberance 33 and upwards ejection, this upper contact 42 and following contact 241 are that escape is separated and cut off the power supply, further bring into play in current overload, can make the contact escape of two connection power supplys when overheated rapidly, cut off the electricity supply, safeguard the extension effect of Electrical Safety.

From the above mentioned, the utility model directly contacts interlock by button 1 and touch controls element 3 the relation of switch motion is simple and easy, really has practical effect, can cooperate the action of the brake mechanism that alloy piece 5 and touch controls element 3 constituted again, can make elastic contact chip 4 escapes rapidly when making current overload and cut off the power supply, and be new design not seen before, have effect and progressive.

Below the utility model is done one and describe in detail, but above-described, only be preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented.Be all variations of being done according to the utility model claim scope and modification etc., all should still belong in the scope of claims protection of the present utility model.

Claims (10)

1. a construction of switch includes: a button, a Switch main body, a touch controls element, an elastic contact chip; Compress or loosen the touch controls element by a button, cooperate an elastic contact chip, produce continuous action relation and close or turn-on power, it is characterized in that:

This button, its two ends can the centre turns, and the bottom side has extended more than one protuberance;

This touch controls element is provided with an afterbody, and this touch controls element is assembled in Switch main body and up and down relatively in Switch main body;

This elastic contact chip is a free end above it, is provided with a upper contact, and its below is connected to second contact terminal.

2. by the said construction of switch of claim 1, it is characterized in that the below is concaved with an axial trough in the middle of the said button side, is pivot.

3. by the said construction of switch of claim 1, it is characterized in that end face has more than one upper convex portion on the said touch controls element, following end face is provided with more than one protuberance down.

4. by the said construction of switch of claim 1, it is characterized in that said touch controls element head end has upwards extended a hook portion.

5. by the said construction of switch of claim 1, it is characterized in that the inner side of said touch controls element offers a upright microscler groove, and the touch controls element can be assembled in the set fixed leg of Switch main body.

6. by the said construction of switch of claim 1, it is characterized in that said touch controls element is arranged with a combination groove, this combination groove caudad offers an otch, assembling activity afterbody, and group is established an elastic component in the combination groove.

7. by the said construction of switch of claim 6, it is characterized in that the cylinder of said touch controls element movable tail is equipped with raised line near an end lateral surface.

8. by the said construction of switch of claim 6, it is characterized in that the elastic component that group is established in the said touch controls combination of elements groove is the compression spring.

9. by the said construction of switch of claim 1, it is characterized in that, said Switch main body be provided with one for the afterbody of touch controls element against stopper.

10. by the said construction of switch of claim 1, it is characterized in that, said Switch main body be provided with one for the movable afterbody of touch controls element against stopper.

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