CN1210349A - Push-in switch - Google Patents
Push-in switch Download PDFInfo
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- CN1210349A CN1210349A CN98117369A CN98117369A CN1210349A CN 1210349 A CN1210349 A CN 1210349A CN 98117369 A CN98117369 A CN 98117369A CN 98117369 A CN98117369 A CN 98117369A CN 1210349 A CN1210349 A CN 1210349A
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- contact
- framework
- operating knob
- fixed contact
- fixed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
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- Push-Button Switches (AREA)
Abstract
The present invention provides a kind of knob switch device which can keep rotatable at fixed terminal with the movable contact member electrically connected simultaneously. In order to achieve the object, the present invention comprises: a general rectangular frame; the first fixed terminal having the first fixed contact; the second fixed terminal, allocated with a predetermined interval from the first fixed terminal and having the second fixed contact; the movable contact member, made of elastic conductive member and bent as U-shape to form the bending portion and making the bending portion as the movable portion of forcing spot; and, support portion, which is supported rotatably and pressed engaging with the second movable contact at one end while forming movable contact on another end which can slide contact with the first fixed contact and be able to slide along the bottom of frame; and the operating knob 5, used to press the movable portion.
Description
The present invention relates to utilize the moving up and down push-in switch of elasticity control operation button of travelling contact.
In the prior art, push-in switch because of its simple structure, small-sized, operation sense is good is widely used in the various e-machines.This push-in switch utilizes the elasticity of travelling contact (this travelling contact becomes, remains the state of opening or closing usually by its elasticity with the rubber-like metallic) and this travelling contact, and operating knob is often remained propradation.
Existing push-in switch for example has Japan Patent to disclose the pattern of No. 168645/1994 communique announcement, and this installs as shown in figure 11.
Figure 11 is the key diagram of the expression first prior art push-in switch.
As shown in figure 11, this push-in switch has framework 21, movable contact component 25 and the operating knob 26 that is bucket-shaped substantially.The inner bottom surface of framework 21 is disposing fixed contact 22,23.Movable contact component 25 is made by the rubber-like conductive metal sheet, curves U font substantially, constitutes kink, and this kink is a movable part 24 as the force.The movable part 24 of operating knob 26 these movable contact component 25 of pushing.One end of movable contact component 25 engages with the sidewall of framework 21, constitutes fulcrum 27, and the other end of movable contact component 25 is as travelling contact portion 28, along with the decline of movable part 24 towards right-hand slip, move to fixed contact 23 from fixed contact 22 and to contact.As shown in figure 11, push under the state the non-of operating knob 26, the movable part 24 of movable contact component 25 rises because of its elasticity, and travelling contact portion 28 leaves fixed contact 23 and contacts with fixed contact 22, and simultaneously, operating knob 26 also rises.
Medial surface in framework 21 forms support 21a, and fixed contact 29 is formed on the bottom surface of the recess 21b of support 21a with inserting, and the fulcrum 27 of movable contact component 25 is joined with fixed contact 29 always.
Therefore, this push-in switch is made of the framework 21 that has fixed contact 22,23, movable contact component 25 and operating knob 26 such three parts, so, can realize miniaturization, and the operation sense of touch of operating knob 26 is also smooth.
Figure 17 is the key diagram of the expression second prior art push-in switch.
As shown in figure 17, this push-in switch has framework 121, movable contact component 123, the operating knob 124 that is bucket-shaped substantially and covers 125.The inner bottom surface of framework 121 is disposing 2 fixed contacts (figure does not show).Movable contact component 123 is made by the rubber-like conductive metal sheet, curves U font substantially, constitutes bend, and this bend is a movable part 122 as the force.The movable part 122 of operating knob 124 these movable contact component 123 of pushing.Lid 125 is supporting the operating knob 124 that can move up and down and it is not deviate from from framework 121.The 124b place is provided with recess 124a in the bottom of operating knob 124, and with the movable part 122 of this recess 124a pushing movable contact component 123, simultaneously, the upper end of operating knob 124 is outstanding from covering 125 hole 125a.One end of movable contact component 123 engages with the sidewall of framework 121, constitutes fulcrum 126.The other end of movable contact component 123 is as travelling contact portion 127, and along with the decline of movable part 122 is slided towards a direction, the side's fixed contacts in the framework 121 move to the opposing party's fixed contact and contact.Push under the state the non-of operating knob 124, the movable part 124 of movable contact component 123 is because of elasticity rises, and travelling contact portion 127 leaves the opposing party's fixed contact and contacts with side's fixed contact, and operating knob 124 also rises.
Such push-in switch, by the framework 121 that has fixed contact, travelling contact portion 123, operating knob 124 with cover 125 such 4 parts and constitute, thus can realize miniaturization, and the operation sense of touch of operating knob 124 is also smooth.
But, in the example of aforementioned first prior art, fixed contact 29 is exposed to the recess 21b that resin mold is made, and the fulcrum 27 of movable contact component 25 is stuck in this recess 21b, so, fixed contact 29 is covered by resin easily, in addition, owing to the fulcrum 27 of accepting movable contact component 25 with resin, so, the action of movable contact component 25 is skidded easily, is easy to generate the fulcrum 27 of travelling contact portion 25 and the poor flow of fixed contact 29 thus.
In addition, because the tab-like medial surface that is formed in framework 21 of support 21a, so, the shaping processed complex of framework 21.
Of the present invention first purpose provides a kind of push-in switch, and this switching device can keep the electrically conducting state of movable contact component conscientiously, and, movable contact component is remained on the fixed terminal free to rotately.
In the example of second prior art, the upper side of operating knob 124 is inserted and is covered 125 hole 125a, can be guided movingly up and down.But the chimeric length of hole 125a and operating knob 124 is short, so, only depend on the guiding of this part can not fully suppress rocking of operating knob 124.On the operating knob 124, the bottom 124b that forms recess 124a is thicker than top, this bottom 124b can be entrenched in the guide groove 121a (this guide groove 121a is formed on the inwall in opposite directions of framework 121) movingly up and down, above-below direction length with bottom 124b, prevent rocking when operating knob 124 slides up and down, suffered transverse direction rocks in the time of also preventing operating knob 124 risings.For being rocked, these suppress for minimum, can adopt thickening bottom 124b above-below direction length is the way of thickness, but, when thickening bottom 124b, correspondingly the above-below direction stroke in the framework 121 shortens, moving up and down of movable contact component 123 is also insufficient, switches thereby can not carry out break-make.In addition, if the chimeric size of guide groove 121a and bottom 124b is set at no gap, though can prevent to rock,, to accomplish that under the situation that leaves few gap between hole 125a and the operating knob 124 two side's leaders do not have relatively difficulty of gap up and down.
To rock in order preventing conscientiously, can to adopt the way of the thickness around the hole 125a of lid 125 of the top that adds big bear operating knob 124, still, when strengthening when covering thickness, overall dimension also strengthens.
Second purpose of the present invention provides and does not strengthen overall dimension, only just can suppress the push-in switch that operating knob rocks with framework.
In order to realize above-mentioned first purpose, push-in switch of the present invention is characterized in that, has rectangular substantially framework, first fixed terminal, second fixed terminal, movable contact component, operating knob.First fixed terminal has first fixed contact of the framework of being provided in bottom.Second fixed terminal and above-mentioned first fixed terminal be predetermined space apart, has second fixed contact that at right angles is bent to form substantially upward and turn back downwards to be sealing board 180 ° of formation, that be provided in second fixed contact below substantially.Movable contact component is made by the rubber-like conductive component, curve U font substantially, constitute bend, this bend is a movable part as the force, one end is formed on the travelling contact that the framework bottom is gone up slip and slipped with first fixed contact, and the other end forms the fulcrum that engages and supporting free to rotately with the second fixed contact crimping simultaneously.Operating knob is used to press above-mentioned movable part.When the push button, above-mentioned movable part is that the center descends with the above-mentioned fulcrum that engages with above-mentioned second fixed contact, and above-mentioned travelling contact slides on above-mentioned framework bottom, contacts with first fixed contact.
In order to realize above-mentioned second purpose, push-in switch of the present invention is characterized in that, has rectangular substantially framework, first and second fixed contacts, movable contact component, operating knob, lid, keeps out of the way and use recess.The upper opening of framework forms on the inwall in opposite directions in framework and to extend along the vertical direction and be extended to from the guide groove of top outstanding outstanding wall.The first and second fixed contact compartment of terrains are provided in the framework; Movable contact component is made by the rubber-like conductive component, curve and be the U font substantially, constitute bend, this bend is a movable part as the force, one end is formed on the travelling contact that the framework bottom is gone up slip and slipped with first fixed contact, and the other end forms the fulcrum that engages and supporting free to rotately with the second fixed contact crimping.The lower end of operating knob forms the recess that inserts for above-mentioned movable part, is entrenched in the guide groove with the both sides of this recess orthogonal, can be guided movingly up and down.Lid covers the opening portion of above-mentioned framework, and has the through hole that supplies above-mentioned operating knob and outstanding wall to stretch out.Keep out of the way be formed on above-mentioned framework bottom with recess with the relative part in aforesaid operations button lower end, lower than other base section.When the push button, above-mentioned movable part is that the center descends with the fulcrum that engages with above-mentioned second fixed contact, and above-mentioned travelling contact slides on the bottom of above-mentioned framework, and contacts with above-mentioned first fixed contact, the lower end of the aforesaid operations button that is pressed simultaneously, is positioned at keeps out of the way with recess.
In addition, in order to realize above-mentioned second purpose, can also form the enhancing connecting portion that connects between recess in the recess lower end of operating knob.
Fig. 1 is the skiagraph of one embodiment of the invention, represents its normal condition.
Fig. 2 is the skiagraph of one embodiment of the invention, and expression pushes inner state fully with operating knob.
Fig. 3 is the stereogram of engagement relationship between expression fixed contact and the movable contact component.
Fig. 4 is the plane graph of one embodiment of the invention, and expression is with the preceding state of fixed contact lateral buckling processing.
Fig. 5 is the plane graph of one embodiment of the invention, the state after the fixed contact lateral buckling is processed in expression.
Fig. 6 is the plane graph of one embodiment of the invention, the relation of expression fixed contact side and framework part.
Fig. 7 (a), Fig. 7 (b) are the plane graph and the front elevations of the travelling contact in expression one embodiment of the invention.
Fig. 8 is the key diagram of expression framework manufacture method.
Fig. 9 is the stereogram of another embodiment of engagement relationship between expression fixed contact and the travelling contact.
Figure 10 (a), Figure 10 (b) are stereogram and the skiagraphs of another embodiment of engagement relationship between expression fixed contact and the movable contact component.
Figure 11 is the key diagram of the expression first prior art push-in switch.
Figure 12 is the skiagraph of another embodiment of the present invention, represents its normal condition.
Figure 13 represents the skiagraph when state shown in Fig. 12 pushes inside fully with operating knob.
Figure 14 is the stereogram of engagement relationship between expression fixed contact and the movable contact component.
Figure 15 is the stereogram of expression operating knob.
Figure 16 is the exploded stereogram of the engagement relationship of explanation framework and lid.
Figure 17 is the key diagram of the expression second prior art push-in switch.
Below, with reference to the description of drawings embodiments of the invention.
Fig. 1 is the skiagraph of one embodiment of the invention, represents its normal condition.Fig. 2 is the skiagraph of one embodiment of the invention, and expression pushes inner state fully with operating knob.Fig. 3 is the stereogram of engagement relationship between expression fixed contact and the travelling contact.Fig. 4 is the plane graph of one embodiment of the invention, and expression is with the preceding state of fixed contact lateral buckling processing.Fig. 5 is the plane graph of one embodiment of the invention, the state after the fixed contact lateral buckling is processed in expression.Fig. 6 is the plane graph of one embodiment of the invention, the relation of expression fixed contact and framework part.Fig. 7 (a), Fig. 7 (b) are plane graph and the front elevations of only representing the movable contact component in one embodiment of the invention.Fig. 8 is the key diagram of expression framework manufacture method.
Among these figure, the 1st, the rectangular framework of cardinal principle that made by synthetic resin, the top opening at the bottom of framework 1 1a, separates the predetermined space plane earth and is setting the first stiff end daughter board 2 and the second stiff end daughter board 3.The first stiff end daughter board 2 has the first fixed contact 2a.The second stiff end daughter board 3 has by the upright second fixed contact 3a that establishes of the rectangular shape of bending process.That is, the first fixed contact 2a be configured in the same plane of bottom 1a on and expose.
The first stiff end daughter board 2 as shown in Figure 6, has first fixed contact (common side terminal) 2a at its about central portion, and the both end sides of this first fixed contact 2a (figure do not show) is bent into substantially at right angles below separately at it, forms terminal 2b.The second stiff end daughter board 3 also has the second fixed contact 3a at its about central portion, and the below separately of its both end sides (figure does not show) is bent into substantially at right angles, forms terminal 3b.On the second stiff end daughter board 3, be provided with the sealing board 3c of ovalize substantially, sealing board 3c is configured in the below that is bent into 90 ° of second fixed contact 3a that erect upward as described later.As shown in Figure 3 and Figure 4, the front end of the second fixed contact 3a, its both sides are cut and form arrow shaped, as junction surface 3d, 3d.
Below, with reference to Fig. 4 to Fig. 6 and Fig. 8, the mold formed operation of framework 1 shown in Figure 6 is described.
The guard shield material of punch process shown in Fig. 4.Base portion folding line L1 at the second fixed contact 3a of this guard shield material bends about 90 ° (right angles) upward, then, will seal board 3c at folding line L2 and turn back 180 ° downwards, becomes state shown in Figure 5.Second fixed contact 3a bending is not influenced electrically conducting for 90 ° yet.
Then, use figure does not show lower mold and metal die shown in Figure 8 10, as illustrated in fig. 6, and mold formed framework 1 on the first stiff end daughter board 2 and the second stiff end daughter board 3.
Form recess 10a on the metal die 10, as shown in Figure 8, the second fixed contact 3a is housed in the recess 10a, simultaneously, the lower end of metal die 10 is by sealing board 3c sealing, like this, during mold formed framework 1, resin is non-cohesive on the upright second fixed contact 3a that is located at bottom 1a.
In this framework 1, as shown in Figure 1, accommodating movable contact component 4.This movable contact component 4 is as Fig. 1, Fig. 3 and Fig. 7 (a), shown in Fig. 7 (b), make by the rubber-like conductive metal sheet, curve and be the U font substantially, constitute kink, this kink is movable part 4a as the force, and an end of movable contact component 4 forms and is divided into 2 strands fulcrum 4b, 4b, and the other end is by formation travelling contact 4c such as bending processes.Fulcrum 4b, 4b bend upward and form at folding line 4f, 4f place, form notch 4d between fulcrum 4b, 4b.
In the notch 4d of fulcrum 4b, the 4b of the second fixed contact 3a insertion movable contact component 4 of the second stiff end daughter board 3, under the state of Fig. 1 and Fig. 2, elastic force by movable contact component 4, the junction surface 3d of the fulcrum 4b of movable contact component 4,4b and the second fixed contact 3a, 3d crimping, therefore, both are electrically connected always.The leading section of the second fixed contact 3a, owing to form above-mentioned arrow shaped, so, as long as out of plumb is mentioned the movable part 4a of movable contact component 4, just can not throw off.
As depicted in figs. 1 and 2, the movable part 4a of the lower end of operating knob 5 and movable contact component 4 joins.This operating knob 5 is made by synthetic resin and is shaft-like substantially, and the lower end forms abutting part 5a, and this abutting part 5a enlarges towards the direction perpendicular to operating knob 5 length directions.Below the abutting part 5a of operating knob 5, with join above the movable part 4a, greater than the opening 6a that is formed on the metal cap body 6 (this lid 6 is blocked the peristome of framework 1), the feasible operating knob 5 that is pushed away toward tops by movable contact component 4 is not deviate from the receiving space that is made of framework 1 and lid 6 simultaneously.
Below, the action of the foregoing description is described.
Fig. 1 represents the non-depressed state of operating knob 5.Under the state of Fig. 1, the fulcrum 4b side of movable contact component 4 in the part of broken line 4f, 4f, engages with junction surface 3d, the 3d crimping of the second fixed contact 3a of the second stiff end daughter board 3.On the other hand, travelling contact 4c is crimped on the bottom 1a of framework 1 by the elastic force of movable contact component 4, is not crimped on the first fixed contact 2a.In addition, under this state, the junction surface that is acting on the movable contact component 4 with the second fixed contact 3a is the power that the center counterclockwise rotates, so operating knob 5 is pushed to by movable part 4a.
During from Fig. 1 state push button 5, movable contact component 4 is that the center clockwise direction rotates with fulcrum 4b.Like this, the travelling contact 4c of movable contact component 4 slides to left on the 1a of the bottom of framework 1 while bending, move on the first fixed contact 2a of the first stiff end daughter board 2, the travelling contact 4c and the first stiff end daughter board 2 become conducting state, like this, this push-pull switch becomes on-state.In addition, when push button 5, after movable contact component 4 is the level of state substantially, slide, finally become state shown in Figure 2 towards the second fixed contact 3a direction.
At this moment, between the fulcrum 4b and travelling contact 4c of movable contact component 4, accumulation of energy and the corresponding repulsion force of the deflection of movable contact component 4, therefore, removed operating knob 5 when exerting oneself, under the recuperability effect of movable contact component 4, movable contact component 4 is the center with the bonding part of the second fixed contact 3a, rotation counterclockwise, movable part 4a rises, and operating knob 5 is pushed to.In addition, travelling contact 4c stretch out, and meanwhile on the first fixed contact 2a of the first stiff end daughter board 2 to right-hand slip, arrive on the bottom 1a of framework 1, reset into the normal condition of Fig. 1, push-pull switch becomes dissengaged positions.
Like this, the pivot point of movable contact component 4, though the fulcrum 4b of movable contact component 4 can be is directly slided at the front end of the second fixed contact 3a of the second stiff end daughter board 3, but rotation with respect to movable contact component 4, both are not engaging with not breaking away from, because the joint between the metallic plate can be guaranteed electric contact.
In the foregoing description, the front end of the fulcrum 4b of movable contact component 4 is divided into 2 strands, and the leading section of the second fixed contact 3a of the second stiff end daughter board 3 is arrow shaped, and both are engaging with the form of blocking.But joint construction is not limited to this, also can make as Fig. 9 and structure shown in Figure 10.
Fig. 9 and Figure 10 (a), Figure 10 (b) are the key diagrams of other embodiment of the engagement relationship of expression fixed contact and movable contact component.
Among Fig. 9, the front end of the second fixed contact 3a of the second stiff end daughter board 3 is provided with the opening 11 of lengthwise, and at the leading section of the fulcrum 4b of movable contact component 4, being provided with width is the protuberance of width greater than the transverse direction of opening 11.When the front end of fulcrum 4b inserts opening 11, with movable contact component 4 about half-twists, the longitudinal direction of protuberance from opening 11 inserted, when making movable contact component 4 return shown position again, can not deviate from from movable contact component 4.
Also can be as Figure 10 (a), shown in Figure 10 (b), at the second fixed contact front end of the second stiff end daughter board 3, in order to stay clamping sheet 14, form opening 15, the width of the fulcrum 4b of movable contact component 4 can pass peristome 15, and, its front end is bent upward, form hook portion 16.Hook portion 16 is engaged with clamping sheet 14 and insert and lead to.
In the foregoing description, have rectangular substantially framework 1, first fixed terminal 2, second fixed terminal 3, movable contact component 4 and operating knob 5.First fixed terminal 2 has the first fixed contact 2a of the framework of being provided in 1 bottom 1a.Second fixed terminal 3 and first fixed terminal 2 have the second fixed contact 3a and the sealing board 3c that curve the right angle upward at a distance of predetermined space, and sealing board 3c turns back 180 ° downwards, is provided in the below of the second fixed contact 3a.Movable contact component 4 is made by the rubber-like conductive component, curve and be U font ground formation kink substantially, this kink is movable part 4a as the force, the travelling contact 4c that one end is formed on that framework 1 bottom 1a go up to slide and slips with the first fixed contact 2a, the other end form the fulcrum 4b that engages with the second fixed contact 3a crimping and supporting free to rotately.Operating knob 5 is used to press movable part 4a.When push button 5, movable part 4a is that the center descends with the fulcrum 4b that engages with the second fixed contact 3a, travelling contact 4c is after sliding on the 1a of the bottom of framework 1, contact with the first fixed contact 2a, so, press from both sides not resembling before and establish resin, but the common side terminal is directly engaged with metallic plate, so, can not cause loose contact because of resin covering etc.In addition, fulcrum 4b does not produce slip yet when making movable contact component 4 actions, can guarantee electric contact for a long time.At right angles be bent to form because the second fixed contact 3a is about upward, so, the high precision position of the second fixed contact 3a can be obtained.Because below the second fixed contact 3a, setting sealing board 3c, so, can be with second fixed contact 3a sealing, mold formed framework 1, the shaping processing of framework 1 is easier to.
Figure 12 is the skiagraph of another embodiment of the present invention, represents its normal condition.Figure 13 represents the skiagraph when state shown in Figure 12 pushes inside fully with operating knob.Figure 14 is the stereogram of engagement relationship between expression fixed contact and the movable contact component.Figure 15 is the stereogram of expression operating knob.Figure 16 is the exploded stereogram of the engagement relationship of explanation framework and lid.
Among these figure, the 101st, rectangular framework is made by synthetic resin substantially, has the peristome 101e of top opening.On the 101a of the bottom of framework 101, be the plane first stiff end daughter board 102 and the second stiff end daughter board 103 of setting on the substantial middle portion preset distance ground that is separated by.The first stiff end daughter board 102 has first fixed contact (common side terminal) 102a.Second fixed charge method end plate 103 has bending process and becomes the at right angles upright substantially second fixed contact 103a that establishes.The first fixed contact 102a and bottom 101a dispose at grade and expose.The substantial middle portion of the both end sides of the first fixed contact 102a of the first stiff end daughter board 102 and the second stiff end daughter board 103 forms the terminal (figure does not show) that at right angles bends substantially respectively downwards.On the second stiff end daughter board 103, be provided with the sealing board 103c of ovalize substantially, sealing board 103c is provided in the below of the second fixed contact 103a.The front end of the second fixed contact 103a, as shown in figure 15, its both sides cut and form arrow shaped, as junction surface 103d, 103d.
The second fixed contact 103a of the second stiff end daughter board 103 is inserted in the fulcrum 104b of movable contact component 104, the recess 104d between 104b, under the state of Figure 12 and Figure 13, elastic force by movable contact component 104, the junction surface 103d of the fulcrum 104b of movable contact component 104,104b and the second fixed contact 103a, 103d crimping, therefore, both are electrically connected always.The leading section of the second fixed contact 103a, owing to form above-mentioned arrow shaped, so, as long as out of plumb is mentioned the movable part 104a of movable contact component 104, just can not throw off.
As Figure 12 and shown in Figure 13, the movable part 104a of the lower end of operating knob 105 and movable contact component 104 joins.This operating knob 105 is made by synthetic resin and to be shaft-like substantially as shown in figure 15, and the lower end forms the 105b of foot, the 105b that is divided into 2 strands, forms recess 105a between the 105b of foot, 105b, embeds for the movable part 104a of movable contact component 104.The side of the operating knob 105 on recess 105a forms abutting part 105c, and this abutting part 105c is outstanding towards the direction perpendicular to length direction.Between the lower end of the 105b of foot, 105b, be provided with the connecting portion 105c that strengthens usefulness.
On the medial surface in opposite directions of framework 101, be formed for guiding operating knob 105 moving up and down guide groove 101b, 101b, a side opposite flank of operating knob 105 can be inserted in guide groove 101b, the 101b movingly up and down.On the bottom 101a of the framework 101 of operating knob 105 positions, form to keep out of the way and use recess 101c, so that the lower end of operating knob 105 is positioned at more lower position.The top of the framework 101 of operating knob 105 positions forms the outstanding wall 101d of cubic tubular, and when operating knob 105 had descended, operating knob top and its upper end were sustained height.On the one side of outstanding wall 101d, form the slot 101f that is communicated with peristome 101e.
Join above the horizontal plane of the recess 105a of operating knob 105 and the movable part 104a, simultaneously, the metal cap body 106 of blocking the peristome 101e of framework 101 and stoping operating knob 105 to rise, the feasible operating knob 105 that is pushed away upward by movable contact component 104 can not deviate from from the receiving space that is made of framework 101 and lid 106.End at lid 106 forms peristome 106b, and simultaneously, the projection tab 106a of the slot 101f of the outstanding wall 101d of insertion framework 101 is formed on the side of peristome 106b.Top and this projection tab 106a of the abutting part 105c of operating knob 105 engages, and its rising is prevented from.In addition, lid 106 substantially at right angles bends near the central authorities of its peristome 106b, is fastened on the engagement tab of lateral surface of framework 101.
Below, the action of the push-in switch of above-mentioned structure is described.
Figure 12 represents the non-depressed state of operating knob 105, under the state of Figure 12, the fulcrum 104b side of movable contact component 104 in the part of broken line 104f, 104f, engages with junction surface 103d, the 103d crimping of the second fixed contact 103a of the second stiff end daughter board 103.On the other hand, travelling contact 104c is crimped on the bottom 101a of framework 101 by the elastic force of movable contact component 104, is not crimped on the first fixed contact 102a.In addition, under this state, the junction surface that is acting on the movable contact component 104 with the second fixed contact 103a is the power that the center counterclockwise rotates, so operating knob 105 is pushed to by movable part 104a.Pushing to of operating knob 105 engaged with the protrusion tab 106a of lid 106 and stopped by its abutting part 105c.
During from the state push button 105 of Figure 12, movable contact component 104 is that the center clockwise direction rotates with fulcrum 104b.Like this, the travelling contact 104c of movable contact component 104 slides left on the 101a of the bottom of framework 101 while bending, move on the first fixed contact 102a of the first stiff end daughter board 102, the travelling contact 104c and the first stiff end daughter board 102 become conducting state, like this, this push-pull switch becomes on-state.In addition, when push button 105, after movable contact component 104 roughly is the level of state, slide towards the second fixed contact 103a direction.The bottom 101a of framework 101 is formed with to keep out of the way and uses recess 101c, operating knob 105 can be pressed its lower end and keep out of the way with recess 101c to join, and finally becomes state shown in Figure 13.The upper end that operating knob 105 can drop to its upper end and outstanding wall 101d becomes same plane.
In the rotating fulcrum of movable contact component 104, the front end of the second fixed contact 103a of the second stiff end daughter board 103 can be directly and the fulcrum 104b of movable contact component 104 slide, but rotation with respect to movable contact component 104, both are not engaging with not breaking away from, because the joint between the metallic plate can be guaranteed electric contact.
When becoming this on-state, between the fulcrum 104b and travelling contact 104c of movable contact component 104, accumulation of energy and the corresponding repulsion force of the deflection of movable contact component 104, therefore, removed operating knob 105 when exerting oneself, under the recuperability effect of movable contact component 104, movable contact component 104 is that the center counterclockwise rotates with the bonding part of the second fixed contact 103a, movable part 104a rises, and operating knob 105 is pushed to.Like this, operating knob 105 rises along guide groove 101b, 101b, and when the abutting part 105c of operating knob 105 engaged with the projection tab 106a of lid 106, this rising stopped.On the other hand, on one side travelling contact 104c stretchs out, Yi Bian slide, arrive the bottom 101a of framework 101 to the right on the first fixed contact 102a of the first stiff end daughter board 102, reset into the normal condition of Figure 12, push-pull switch becomes dissengaged positions.Under this dissengaged positions, the abutting part 105c of operating knob 105 is chimeric with guide groove 101b, the 101b of framework 101 in quite long length with the lower part, and even the leading section of operating knob 105 is outstanding from the front end of outstanding wall 101d, operating knob 105 is rocked, and it is being kept firmly.
In the foregoing description, have rectangular substantially framework 101, the first and second fixed contact 102a, 103a, movable contact component 104 and operating knob 105, lid 106 and keep out of the way recess 101c.The upper opening of framework 101 on the inwall in opposite directions of this framework 101, forms and to extend along the vertical direction and be extended to from the guide groove 101b of top outstanding outstanding wall 101d.The first and second fixed contact 102a, 103a are provided in the framework 101 at intervals.Movable contact component 104 is made by the rubber-like conductive component, curve and be the U font substantially, constitute bend, this bend is movable part 104a as the force, one end is formed on the last slip of bottom 101a of framework 101 and the travelling contact 104c that slips with the first fixed contact 102a, and the other end forms the rotatable fulcrum 104b that engages with the second fixed contact 103a crimping.Operating knob 105 forms the recess 105a that inserts usefulness for movable part 104a in its lower end, be entrenched in the guide groove 101b with the both sides of this recess 105a orthogonal, can be guided movingly up and down.Lid 106 covers the peristome 101e of framework 101, and has the through hole that supplies operating knob 105 and above-mentioned outstanding wall to stretch out.Keep out of the way with recess 101c be formed on framework 101 bottom 101a with the relative part in operating knob 105 lower ends, lower than the other parts of bottom.During push button 105, movable part 104a is that the center descends with the aforementioned fulcrum 104b that is engaging with the second fixed contact 103a, travelling contact 104c slides on the 101a of the bottom of framework 101, contact with the first fixed contact 102a, simultaneously, the lower end of the aforementioned operation button 105 that is pressed is positioned at keeps out of the way recess 101c, so, even operating knob 105 rises to greatest extent, its bottom is also long than the operating knob in the existing push-in switch, be bearing on the framework 101, so, the generation that can suppress to rock.In addition, because the effect of keeping out of the way usefulness recess 101c of the bottom 101a of framework 101 when operating knob 105 descends, is positioned at the low position of face than the bottom 101a of framework 101, so, travelling contact 104c is contacted with the first fixed contact 102a.
In addition, in the foregoing description,, form the enhancing connecting portion that connects between recess, so multiple switching is operated or cross force acts on the operating knob even carry out, and can prevent that also the foot section that constitutes recess from fractureing, breakage in the recess lower end of operating knob.
According to the present invention, have rectangular substantially framework, first fixed terminal, second fixed terminal, movable contact component, operating knob.First fixed terminal has first fixed contact of the framework of being provided in bottom.Second fixed terminal and first fixed terminal have second fixed contact that roughly at right angles is bent to form upward and the sealing board roughly 180 ° of formation of turning back, that be provided in second fixed contact below downwards at a distance of predetermined space.Movable contact component is made by the rubber-like conductive component, curve and be U font formation bend substantially, this bend is a movable part as the force, one end is formed on the travelling contact that the framework bottom is gone up slip and slipped with first fixed contact, the fulcrum that other end formation engages with the second fixed contact crimping and rotatably support.Operating knob is used to press movable part.When the push button, above-mentioned movable part is that the center descends with the fulcrum that engages with second fixed contact, and travelling contact slides on the framework bottom, contacts with first fixed contact.Therefore, do not resemble to press from both sides the prior art and establishing resin etc., directly engage but make between common side terminal and the metallic plate, so, can not produce loose contact because of resin covers.In addition, make travelling contact when action, fulcrum does not produce slip yet, guarantees electric contact between can be for a long time.In addition, because second fixed contact is roughly at right angles to be bent to form upward, so, can obtain the positional precision of the second higher fixed contact.Because the below of second fixed contact is setting the sealing board, so, can be with the sealing of second fixed contact, and mold formed framework, make the shaping handling ease of framework.
According to the present invention, have rectangular substantially framework, first and second fixed contacts, movable contact component, operating knob, lid, keep out of the way and use recess.The upper opening of framework forms on the inwall in opposite directions in framework and to extend along the vertical direction and be extended to from the guide groove of top outstanding outstanding wall.First and second fixed contacts are provided in the framework at intervals.Movable contact component is made by the rubber-like conductive component, curve and be U font formation bend substantially, this bend is a movable part as the force, one end is formed on the travelling contact that the framework bottom is gone up slip and slipped with first fixed contact, the fulcrum that other end formation engages with the second fixed contact crimping and rotatably support.The lower end of operating knob forms the recess that inserts for movable part, is entrenched in the guide groove with the both sides of this recess orthogonal, can be guided movingly up and down.Lid covers the opening portion of framework, and has the through hole that supplies operating knob and outstanding wall to stretch out.Keep out of the way the part relative that is formed on the framework bottom with recess with the operating knob lower end, lower than other base section.When the push button, above-mentioned movable part is that the center descends with the fulcrum that engages with second fixed contact, and travelling contact slides on the bottom of framework, and contacts with first fixed contact, and simultaneously, the lower end of the operating knob that is pressed is positioned at keeps out of the way with recess.Therefore, even operating knob rises to greatest extent, its bottom is also long than the operating knob in the existing push-in switch, be bearing on the framework, so, the generation that can suppress to rock.In addition, the effect of using recess of keeping out of the way owing to the framework bottom when operating knob descends, is positioned at the low position of face than the bottom of framework, so, travelling contact is contacted with first fixed contact.
According to the present invention,, be provided with the connecting portion that connects enhancing usefulness between recess in the recess lower end of operating knob.Therefore, even carry out multiple switching operation or cross force when acting on the operating knob, can prevent that also the foot section that constitutes recess from fractureing, breakage.
Claims (3)
1. a push-in switch is characterized in that, has rectangular substantially framework, first fixed terminal, second fixed terminal, movable contact component, operating knob;
First fixed terminal has first fixed contact that is provided in described framework bottom;
Second fixed terminal and described first fixed terminal have second fixed contact that roughly at right angles is bent to form upward and the sealing board roughly 180 ° of formation of turning back, that be provided in described second fixed contact below downwards at a distance of predetermined space;
Movable contact component is made by the rubber-like conductive component, curve and be the U font substantially, constitute bend, this bend is a movable part as the force, one end is formed on the travelling contact that described framework bottom is gone up slip and slipped with described first fixed contact, the fulcrum that other end formation engages with the described second fixed contact crimping and rotatably support;
Operating knob is used to press described movable part;
When pressing described operating knob, described movable part is that the center descends with the described fulcrum that engages with described second fixed contact, and described travelling contact slides on described framework bottom, contacts with described first fixed contact.
2. a push-in switch is characterized in that, has rectangular substantially framework, first and second fixed contacts, movable contact component, operating knob, lid, keeps out of the way and use recess;
The upper opening of framework forms on the inwall in opposite directions in framework and to extend along the vertical direction and be extended to from the guide groove of top outstanding outstanding wall;
First and second fixed contacts are provided in the described framework at intervals;
Movable contact component is made by the rubber-like conductive component, curve and be U font formation bend substantially, this bend is a movable part as the force, one end is formed on the travelling contact that described framework bottom is gone up slip and slipped with described first fixed contact, the fulcrum that other end formation engages with the described second fixed contact crimping and rotatably support;
The lower end of operating knob forms the recess that inserts for described movable part, is entrenched in the guide groove with the both sides of this recess orthogonal, can be guided movingly up and down;
Lid covers the opening portion of described framework, and has the through hole that supplies described operating knob and outstanding wall to stretch out;
Keep out of the way be formed on described framework bottom with recess with the relative part in described operating knob lower end, lower than other base section;
When pressing described operating knob, described movable part is that the center descends with the fulcrum that engages with described second fixed contact, described travelling contact slides on the bottom of described framework, and contact with described first fixed contact, the lower end of the described operating knob that is pressed simultaneously, is positioned at described keeping out of the way with recess.
3. push-in type installation switching device as claimed in claim 2 is characterized in that, is provided with to connect the connecting portion that strengthens usefulness between the recess of aforesaid operations button.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP226808/1997 | 1997-08-22 | ||
| JP226808/97 | 1997-08-22 | ||
| JP22680897A JP3692218B2 (en) | 1997-08-22 | 1997-08-22 | Push switch device |
| JP30451097A JPH11144560A (en) | 1997-11-06 | 1997-11-06 | Push switch device |
| JP304510/1997 | 1997-11-06 | ||
| JP304510/97 | 1997-11-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1210349A true CN1210349A (en) | 1999-03-10 |
| CN1106025C CN1106025C (en) | 2003-04-16 |
Family
ID=26527354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98117369A Expired - Fee Related CN1106025C (en) | 1997-08-22 | 1998-08-21 | Push-in switch |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR100324785B1 (en) |
| CN (1) | CN1106025C (en) |
| MY (1) | MY129501A (en) |
| TW (1) | TW381279B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359617C (en) * | 2003-12-03 | 2008-01-02 | 富士康(昆山)电脑接插件有限公司 | Detecting switch |
| CN100461319C (en) * | 2005-05-02 | 2009-02-11 | 欧姆龙株式会社 | Switch |
| CN104701038A (en) * | 2013-12-05 | 2015-06-10 | 日本电产三协株式会社 | Switch element and switch device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100382567B1 (en) * | 2001-07-27 | 2003-05-09 | 삼성전기주식회사 | Switching unit of input key for compact type information terminal device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06139870A (en) * | 1992-10-27 | 1994-05-20 | Matsushita Electric Works Ltd | Structure for switch |
| JP3196375B2 (en) * | 1992-11-27 | 2001-08-06 | 松下電器産業株式会社 | Push switch |
-
1998
- 1998-07-28 TW TW087112338A patent/TW381279B/en not_active IP Right Cessation
- 1998-08-07 MY MYPI98003598A patent/MY129501A/en unknown
- 1998-08-21 KR KR1019980033979A patent/KR100324785B1/en not_active IP Right Cessation
- 1998-08-21 CN CN98117369A patent/CN1106025C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359617C (en) * | 2003-12-03 | 2008-01-02 | 富士康(昆山)电脑接插件有限公司 | Detecting switch |
| CN100461319C (en) * | 2005-05-02 | 2009-02-11 | 欧姆龙株式会社 | Switch |
| CN104701038A (en) * | 2013-12-05 | 2015-06-10 | 日本电产三协株式会社 | Switch element and switch device |
| CN104701038B (en) * | 2013-12-05 | 2017-09-15 | 日本电产三协株式会社 | Switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1106025C (en) | 2003-04-16 |
| MY129501A (en) | 2007-04-30 |
| KR19990023781A (en) | 1999-03-25 |
| TW381279B (en) | 2000-02-01 |
| KR100324785B1 (en) | 2002-05-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |