CN201178052Y

CN201178052Y - Push-button switch

Info

Publication number: CN201178052Y
Application number: CNU2008200339294U
Authority: CN
Inventors: 倪巨雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-26
Filing date: 2008-03-26
Publication date: 2009-01-07
Anticipated expiration: 2018-03-26

Abstract

The utility model relates to a switch, particularly to a push button switch capable of realizing switching on/off in a pressing manner. The push button switch is characterized in that a current-conducting strip is arranged on the lower part of a pressure bar, the contact point of the current-conducting strip is disposed below the contact point of a wiring strip on a pedestal, and the contact point of the current-conducting strip and the contact point of the wiring strip match with respect to switching on/off with the switching of the helical gear teeth of the pressure bar between a long slot and a short slot. The push button switch provided in the utility model is convenient for assembly, and simplifies the structure of the mould for the push button.

Description

A kind of push-button switch

Technical field

The utility model relates to a kind of switch, is meant especially to push the push-button switch that form realizes switch conduction and disconnection.

Background technology

Switch is the product of often running in people's daily life, so a lot of people are familiar to its principle and structure, also exist the push-button switch approaching in the existing patent: be 03223981.5 " a kind of switch " as the patent No. with self-locking device with the utility model, it is mainly by the base that includes two groups of self-locking devices that locking wire shell fragment and connecting frame constitute, contact chip, stage clip, the lower end projection, bottom hollow, there is the depression bar that is equally distributed four the little teeth of crosswise at the middle part, small pressure spring, upper end closed, the lower end is made up of the button of the hollow of eight equally distributed little teeth and the loam cake that contains the hollow cylinder that does not seal at two ends, connecting frame embeds the two ends, the left and right sides of base respectively, put the locking wire shell fragment in it respectively, the locking wire shell fragment can be pressed on the lead that inserts on the connecting frame, contact chip contacts with connecting frame one-tenth is movable, contact chip is enclosed within the depression bar lower end, be on the stage clip that is enclosed within on the depression bar above the contact chip, stage clip withstands four little teeth at depression bar middle part, depression bar inserts the hollow part of button, and button is inserted in the hollow part of loam cake top cylinder.The switch of said structure exists following problems: because it is the elongated slot that places loam cake at the little tooth of depression bar, realization disconnected when button was upspring, so its depression bar lower end must be provided with the boss that prevents that contact chip from coming off, and this boss can not influence the installation of contact chip again, just cumbersome when making depression bar like this, the mould of particularly making these parts is relatively difficult; Above-mentioned in addition configuration switches is taken and is pretended to difficulty, and the time that is spent is long.

Summary of the invention

The utility model has overcome the deficiency that prior art exists, and provides a kind of and has taken dress conveniently, particularly when making this product inner body depression bar, has simplified the novel push-button switch of the structure of this part mold.

Realize above-mentioned purpose, the utility model adopts following technical scheme: a kind of push-button switch, include the base that includes lug plate, be arranged on the hollow loam cake on the base, cover on described and be located at button, this button becomes guide rail and guide groove to cooperate with loam cake, be provided with little tooth uniformly on the end face that places an end in the loam cake of described button, in the described loam cake and the bottom that is positioned at button is provided with depression bar, two helical teeth are set on the side face of described depression bar at least, the little tooth with on the button of this helical teeth cooperates, be arranged at intervals with elongated slot and short groove on the inwall that is positioned at the helical teeth corresponding position of described loam cake around it, the peristome of elongated slot and short groove passes through chamfered transition, being positioned at little tooth of described helical teeth cooperates outer part to cooperate with length groove formation, be provided with back-moving spring between described depression bar and the base, described depression bar presses down with button, cooperatively interact between the little tooth of helical teeth on it and button lower end and the length groove on the loam cake inwall, constitute the switching between helical teeth and the length groove, it is characterized in that: described depression bar bottom is provided with conducting strip, contact point on this conducting strip places the below of contact point of the lug plate of base, and constitutes to switch on and off with the switching of helical teeth between the length groove of depression bar between the contact point of the contact point on the conducting strip and lug plate and cooperate.

By adopting above-mentioned technology, when particularly the contact point on the conducting strip places the below of contact point of lug plate of base, can simplify the installation conducting strip, usually only need conflict conducting strip and on depression bar, get final product, shape need to depression bar has also reduced in addition, does not particularly need to be provided with protuberance to the bottom at depression bar described in the background technology.

Further setting of the present utility model is: described depression bar bottom hollow, back-moving spring places this hollow bulb, described depression bar bottom is provided with annular cavity around its hollow bulb, the middle part projection of described conducting strip, and protruding top end face is provided with through hole, the lower end that described conducting strip passes depression bar is provided with, and lug boss places the annular cavity of depression bar, is provided with spring between described conducting strip and the base.

Can be the position that conducting strip is fixed on the depression bar bottom by annular cavity like this, prevent its slip, guarantee the reliability of product work, the purpose that is provided with spring between conducting strip and the base is when moving on depression bar, and conducting strip is upspring, and makes it to connect with lug plate, realize the conducting of switch, if in the utility model, if we fixedly install conducting strip and depression bar, we also can not be provided with spring so in addition.

Of the present utility model further the setting again is: described lug plate includes wire frame and brace, and described brace one end is for fixing with wire frame or one is connected, other end contact point and be positioned at the top of the contact point of conducting strip.

The technique scheme purpose is conducting and the disconnection that realizes between conducting strip and the lug plate, will consider that in addition the space itself in the loam cake is just narrower and small, so that the brace on the lug plate is inserted above the conducting strip is more reasonable.If the space in the loam cake is enough big certainly, we also can not be provided with brace, directly wire frame are arranged on the top of conducting strip.

Below in conjunction with accompanying drawing the utility model is further described:

Description of drawings

Fig. 1 is the structural representation of the switch off state of the utility model embodiment;

Fig. 2 is the structural representation of the switch conduction state of the utility model embodiment;

Fig. 3 is the structural representation of the conducting strip of the utility model embodiment;

Fig. 4 is the structural representation of the depression bar of the utility model embodiment;

Fig. 5 is the structural representation of the button of the utility model embodiment;

Fig. 6 is the structural representation of the loam cake of the utility model embodiment;

Fig. 7 is the upward view of Fig. 6.

Embodiment

As shown in the figure, a kind of push-button switch, include the base 1 that includes lug plate, be arranged on the hollow loam cake 2 on the base 1, be located at button 3 on the described

loam cake

2,2 one-tenth guide rails of this button 3 and loam cake and guide groove cooperate, be provided with little tooth 31 uniformly on the end face that places an end in the loam cake 2 of described button 3, in the described the loam cake 2 and bottom that is positioned at button 3 is provided with depression bar 4, two helical teeth 41 are set on the side face of described depression bar 4 at least, be generally four, at least be provided with elongated slot 21 and short groove 22 on the inwall that is positioned at helical teeth 41 corresponding positions of described loam cake 2 around it, usually can be four pairs, be provided with back-moving spring 5 between described depression bar 4 and the base 1, helical teeth 41 on the described depression bar 4 cooperates with the little tooth 31 of button 3 lower ends and the length groove on loam cake 2 inwalls, constitute 3 times moulded rods of button 4 and rotate setting, and depression bar 4 is when rotating, its helical teeth 41 switches between elongated slot 21 and short groove 22 respectively, when helical teeth 41 falls into elongated slot 21, depression bar 4 is in last position, when helical teeth 41 falls into short groove, depression bar 4 is at upper/lower positions, above-mentioned technology also is more common in the prior art, so here we have not described in further detail, in the utility model embodiment, described depression bar 4 bottoms are provided with conducting strip 6, contact point on this conducting strip 6 places the below of contact point of the lug plate 7 of base 1, and moving up and down and constitute to switch on and off and cooperate with depression bar 4 between the contact point of the contact point on the conducting strip 6 and lug plate 7.Adopt above-mentioned technology, when particularly the contact point on the conducting strip 6 places the below of contact point of lug plate 7 of base 1, can simplify conducting strip 6 is installed, usually only need conflict conducting strip 6 and on depression bar 4, get final product, requirement to depression bar 4 has also reduced in addition, does not particularly need to be provided with protuberance to the bottom at depression bar 4 described in the background technology.

In the utility model embodiment, described depression bar 4 bottom hollows, back-moving spring 5 places this hollow bulb 42, described depression bar 4 bottoms are provided with annular cavity 43 around its hollow bulb 42, the middle part projection 61 of described conducting strip 6, and protruding 61 top end faces are provided with through hole 62, and the lower end that described conducting strip 6 passes depression bar 4 is provided with, and projection 61 is deployed in the annular cavity 43 of depression bar 4, is provided with spring 9 between described conducting strip 6 and the base 1.Can make conducting strip 6 be fixed on the position of depression bar 4 bottoms by annular cavity 43 like this, prevent its slip, guarantee the reliability of product work, the purpose that is provided with spring 9 between conducting strip 6 and the base 1 is when moving on depression bar 4, conducting strip 6 is upspring, make it to connect, realize the conducting of switch with lug plate 7.Certainly, in the utility model, when depression bar 4 moved down, depression bar 4 just pushed away conducting strip for 6 times, makes it to leave lug plate 7, realized that switch disconnects; In addition, in the utility model, if conducting strip 6 and depression bar 4 are fixedly installed, we also can not be provided with spring 9 like this, and conducting strip 6 is linked with regard to direct and depression bar 4.

In the utility model embodiment, described lug plate 7 includes wire frame 71 and brace 72, and described brace 72 1 ends are fixing with wire frame 71 or one is connected, other end contact point and be positioned at the top of the contact point of conducting strip 6.The purpose of She Zhiing is conducting and the disconnection that realizes between conducting strip 6 and the lug plate 6 like this, will consider that in addition the space itself in the loam cake is just narrower and small, compares above conducting strip 6 rationally so the brace 72 on the lug plate 7 is directly put; If the space in the loam cake 1 is enough big certainly, we also can not be provided with brace 72, directly wire frame 71 are arranged on the top of conducting strip 6.

Claims

1, a kind of push-button switch, include the base that includes lug plate, be arranged on the hollow loam cake on the base, cover on described and be located at button, this button becomes guide rail and guide groove to cooperate with loam cake, be provided with little tooth uniformly on the end face that places an end in the loam cake of described button, in the described loam cake and the bottom that is positioned at button is provided with depression bar, two helical teeth are set on the side face of described depression bar at least, the little tooth with on the button of this helical teeth cooperates, be arranged at intervals with elongated slot and short groove on the inwall that is positioned at the helical teeth corresponding position of described loam cake around it, the peristome of elongated slot and short groove passes through chamfered transition, being positioned at little tooth of described helical teeth cooperates outer part to cooperate with length groove formation, be provided with back-moving spring between described depression bar and the base, described depression bar presses down with button, cooperatively interact between the little tooth of helical teeth on it and button lower end and the length groove on the loam cake inwall, constitute the switching between helical teeth and the length groove, it is characterized in that: described depression bar bottom is provided with conducting strip, contact point on this conducting strip places the below of contact point of the lug plate of base, and constitutes to switch on and off with the switching of helical teeth between the length groove of depression bar between the contact point of the contact point on the conducting strip and lug plate and cooperate.

2, push-button switch according to claim 1, it is characterized in that: described depression bar bottom hollow, back-moving spring places this hollow bulb, described depression bar bottom is provided with annular cavity around its hollow bulb, the middle part projection of described conducting strip, and protruding top end face is provided with through hole, and the lower end that described conducting strip passes depression bar is provided with, and lug boss places the annular cavity of depression bar, is provided with spring between described conducting strip and the base.

3, push-button switch according to claim 1 and 2, it is characterized in that: described lug plate includes wire frame and brace, described brace one end is for fixing with wire frame or one is connected, other end contact point and be positioned at the top of the contact point of conducting strip.

4, push-button switch according to claim 2 is characterized in that: the rectangular bending setting in the top of the jut of described conducting strip, and described spring one end is conflicted in conducting strip right angle dogleg section, and the other end is conflicted on base.

5, push-button switch according to claim 3 is characterized in that: the rectangular bending setting in the top of the jut of described conducting strip, and described spring one end is conflicted in conducting strip right angle dogleg section, and the other end is conflicted on base.