CN202855593U - Button switch - Google Patents
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- CN202855593U CN202855593U CN201220431943.6U CN201220431943U CN202855593U CN 202855593 U CN202855593 U CN 202855593U CN 201220431943 U CN201220431943 U CN 201220431943U CN 202855593 U CN202855593 U CN 202855593U
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- chimeric
- key switch
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Abstract
Disclosed is a button switch which can ensure that the embedment between a cover and a housing which form the appearance is unlikely to be separated even under abnormal pressing operation. The button switch comprises a housing with a fixed contact, a movable contact plate which is arranged inside the housing and contacts with /separates from the fixed contact, an operating portion which is configured to protrude from the front of the housing and used for making the movable contact plate move through the pressing operation, and a cover which is embedded with the housing and prevents the operating portion from shedding. One part of the lower side of the housing is capable of being configured to a gap arranged in the substrate. The operating portion can move from the frontal side of the housing to the rear side through the pressing operation. The housing is provided with an embedded portion for being embedded with the cover, wherein the embedded portion is provided with an embedded surface and a guiding surface which are formed along the direction from the upper side of the housing to the lower side as the flat; the embedded surface is formed along the direction wherein the operating portion is pressed for operation; and the guiding surface and the embedded surface are jointed and formed in the direction away from the pressing direction of the operating portion in a slant manner.
Description
Technical field
The utility model relates to a kind of key switch of horizontal pressing operation, even relate in particular in the situation that has been subject to unusual pressing operation, and the chimeric key switch that breaks away from of also being difficult to that forms the lid of profile and housing.
Background technology
In the past, as the console switch that the side at smart mobile phone (high function portable phone) disposes, used the situation of key switch of horizontal pressing operation more.Owing to be configured in the side of smart mobile phone, therefore when the operative intelligence mobile phone, fall because of carelessness etc. in the situation, if it is bad to fall situation, then unusual press (impact) is applied to key switch, because this is pressed, the lid of the profile of formation key switch and the chimeric disengaging of housing, the situation that existence can't operate.
Therefore, even require in the situation that has been subject to unusual pressing operation the chimeric key switch that also can not break away from of lid and housing.
As the key switch of existing horizontal pressing operation, known have a key switch of putting down in writing in the following patent documentation 1.
Below, use Figure 12 and Figure 13 that the key switch of putting down in writing in the patent documentation 1 is described.Figure 12 is the outside drawing of key switch SW.Figure 13 is the exploded perspective view of the structure of expression key switch SW.
Such as Figure 12 and shown in Figure 13, the key switch SW that puts down in writing in the patent documentation 1 comprises: the shell CA of insulating resin system, has the SB of switch main body section, in the SB of this switch main body section, central authorities fixed contact CC and outside fixed contact OC by insert moulding be fixed to opening forwardly recess BT bottom surface on expose, and has the outstanding docking section CT that forms to foreign side in the two sides of the SB of this switch main body section and the top of rear surface, above-mentioned shell CA forms following shape, namely when formed notch part is installed to the end of printed circuit board (PCB), the rear portion of the SB of switch main body section can with the rear end face butt of above-mentioned notch part, and the lower surface of docking section CT can with the shape of the upper surface butt ground of above-mentioned printed circuit board (PCB) configuration; The dome-shaped moving contact MC of elastic metallic thin plate system, peripheral end are configured in outside fixed contact OC and upward are contained in the recess BT of above-mentioned shell; Sheet material ST remains on shell CA with dome-shaped moving contact MC and goes up and protect; Operating body AC can be configured to movably forward and backward on shell CA and can press dome-shaped moving contact MC in enough rear ends; Lid CV is installed on the shell CA, keeps operating body AC with the rear surface; And terminal TR, with the recess BT of shell CA upper set central fixed contact CC and outside fixed contact OC conducting.
Shell CA has the stage portion DD that forms concave shape at face up and down, lid CV has the installation foot LK that can be inserted into stage portion DD at the position corresponding with the face up and down of shell CA, and lid CV is mounted by formed stage portion DD on the face up and down that installation foot LK bending is limited to shell CA.
Patent documentation 1: No. 3959916 communique of Japan Patent
The key switch SW that puts down in writing in the patent documentation 1 is the key switch that does not have in the use special problem in normally used situation.
Yet, when key switch SW is applied on the operating body AC in unusual pressing operation power, because key switch SW is fixed on the substrate, therefore leave direction (upper direction) masterpiece of substrate for installation foot LK towards lid CV.In addition, section in the enclosure inserts in the mode of exposing and to form central fixed contact CC and outside fixed contact OC, and therefore the degree of depth that can't deepen stage portion DD is difficult to prolong the chimeric length of the above-below direction of installation foot LK and stage portion DD.
Therefore, be applied with unusual pressing at operating body AC, thereby effect has in the situation that makes the power that installation foot LK moves towards the top, engages disengaging between the installation foot LK that worries the chimeric CV of lid and shell CA and the stage portion DD, causes and can't play a role as key switch.
The utility model content
The utility model is used for solving above-mentioned problem, even provide a kind of under unusual pressing operation power is applied to situation on the operating body, the key switch that lid can play a role with chimeric also disengaging of shell.
The key switch of putting down in writing in the technical scheme 1 comprises: housing has a plurality of fixed contacts; The moving contact plate is disposed at above-mentioned housing, according to pressing operation and with above-mentioned a plurality of fixed contacts contact or separate; Operating body is configured to be used for making above-mentioned moving contact plate movable by pressing operation from the outstanding part of the front side of above-mentioned housing; And lid, chimeric with above-mentioned housing, prevent coming off of aforesaid operations body, the part of the lower side of above-mentioned housing can be configured in notch part set on the substrate of electric product, pass through pressing operation, the aforesaid operations body can move towards the direction of rear side to the front side from above-mentioned housing, above-mentioned key switch is characterised in that, be provided with the fitting portion chimeric with above-mentioned lid at above-mentioned housing, above-mentioned fitting portion has: as the chimeric surface of smooth face, form towards the direction of lower side along the upper side from above-mentioned housing; With the guide surface as smooth face, form towards the direction of lower side along the upper side from above-mentioned housing, above-mentioned chimeric surface towards above-mentioned operating body be pressed the operation direction and form, above-mentioned guide surface and above-mentioned chimeric surface are continuous, towards be pressed from the aforesaid operations body operation direction away from direction be formed obliquely.
The key switch of putting down in writing in the technical scheme 2 is characterised in that, above-mentioned lid has the tabling piece chimeric with above-mentioned fitting portion, above-mentioned tabling piece engages with above-mentioned chimeric surface to being pressed into towards the direction of above-mentioned chimeric surface from above-mentioned guide surface side, thereby above-mentioned lid and above-mentioned housing are chimeric.
The key switch of putting down in writing in the technical scheme 3 is characterised in that, is formed with reinforced sheet, and this reinforced sheet will extend to the part of the integrally formed above-mentioned fixed contact of above-mentioned housing with position corresponding to above-mentioned fitting portion strengthens above-mentioned fitting portion.
The key switch of putting down in writing in the technical scheme 4 is characterised in that above-mentioned reinforced sheet is formed the foreign side that is projected into above-mentioned housing.
The effect of utility model
According to the utility model of technical scheme 1, can be more in the past than the area that enlarged chimeric surface, even be subject to pressing operation with unusual strong pressing operation power, lid is subject in the situation of power towards the top, compared with the past, lid broke away from chimeric also being difficult to of housing, had to prevent from covering the effect that comes off.
Utility model according to technical scheme 2, be that the guide surface side pressure enters from the short side direction of chimeric surface, therefore can be to be pressed into tabling piece with in the past identical load, and be subject in the situation of pressing operation with unusual strong power, on tabling piece 15f, short side direction at chimeric surface 11f does not have power to apply, on the long side direction of chimeric surface 11f, apply effectively, even in the situation about therefore being offset in the position of tabling piece 15f, chimeric also being difficult to of chimeric surface 11f and tabling piece 15f breaks away from, and has to prevent from covering 15 effects that come off.
Utility model according to technical scheme 3, thereby even applied in the situation of power at tabling piece being subject to pressing operation with unusual strong pressing operation power, by at the position configuration reinforced sheet corresponding with fitting portion, also the intensity of fitting portion can be improved, the chimeric loosening effect that comes off that also causes thus covering of fitting portion deflection can be prevented thereby have.
According to the utility model of technical scheme 4, can after the housing moulding, cut off the end of reinforced sheet, compare with the situation of molded housing after the cut-out reinforced sheet, have the effect that can arrange easily fixed contact.
Description of drawings
Fig. 1 is the exploded perspective view of the structure member of expression key switch 1.
Fig. 2 is the figure of the front surface of expression key switch 1.
Fig. 3 is the figure of the rear surface of expression key switch 1.
Fig. 4 is the figure of expression housing 11.
Fig. 5 is the figure of expression moving contact plate 12.
Fig. 6 is the figure of expression sheet material 13.
Fig. 7 is the figure of expression operating body 14.
Fig. 8 is that 15 figure is covered in expression.
Fig. 9 is the figure of the chimeric method of expression fitting portion 11e and tabling piece 15f.
Figure 10 is the figure of the action of expression key switch 1.
Figure 11 is the figure of the installation method of explanation key switch 1 on the substrate BO of electric product.
Figure 12 is the outside drawing of key switch SW.
Figure 13 is the exploded perspective view of the structure of expression key switch SW.
Symbol description
1 key switch
11 housings
The 11a abutment portion
11b configuration section
The 11c guiding wall
The 11d guide part
The 11e fitting portion
The 11f chimeric surface
The 11g guide surface
12 moving contact plates
12a moving contact section
13 sheet materials
The 13a sticking veneer
14 operating bodies
The 14a base portion
14b button section
The 14c inclined plane
The 14d protuberance
15 lids
The 15a front panel
The 15b protective bulkhead
The 15c sidewall
The 15d peristome
15e extends the section that arranges
The 15f tabling piece
The 15g claw
The 15h weld part
16 fixed contacts
16a the 1st fixed contact
16b the 2nd fixed contact
The 16c reinforced sheet
16d the 1st terminal
16e the 2nd terminal
Embodiment
[the 1st execution mode]
The key switch 1 of the 1st execution mode below is described.
The structure of the key switch 1 of present embodiment at first, is described referring to figs. 1 through Fig. 3.Fig. 1 is the exploded perspective view of the structure member of expression key switch 1.Fig. 2 is the figure of the front surface of expression key switch 1.Fig. 3 is the figure at the back side of expression key switch 1.
As shown in Figure 1, key switch 1 comprises: housing 11 has a plurality of fixed contacts 16; Moving contact plate 12 is disposed at housing 11, according to pressing operation with 16 contacts of a plurality of fixed contacts or separate; Sheet material 13, with moving contact plate 12 in housing 11, be held in can with fixed contact 16 contact or the state that separates; Operating body 14, it is outstanding from the front side of housing 11 to be configured to a part, is used for making moving contact plate 12 movable by pressing operation; And cover 15, and chimeric with housing 11, prevent coming off of operating body 14.
As shown in Figures 2 and 3, key switch 1 is following key switch, the part of the lower side of housing 11 can be configured in the upper set notch part SL of substrate BO of electric product, and operating body 14 can be mobile towards the direction (arrow A direction) of rear side to the front side from housing 11.In addition, about the shape of substrate BO, carried out for convenience of explanation schematic representation, its shape can change according to various electric products.
Then, with reference to Fig. 4 to Fig. 8 component parts is described.Fig. 4 is the figure of expression housing 11, and Fig. 4 (a) is the figure of the front side of expression housing 11, and Fig. 4 (b) is the figure of the rear side of expression housing 11.Fig. 5 is the figure of expression moving contact plate 12, and Fig. 5 (a) is the stereogram of moving contact plate 12, and Fig. 5 (b) is the figure of the side of expression moving contact plate 12.Fig. 6 is the figure of expression sheet material 13.Fig. 7 is the figure of expression operating body 14, and Fig. 7 (a) is the figure of the front side of expression operating body 14, and Fig. 7 (b) is the figure of the rear side of expression operating body 14.Fig. 8 is that 15 figure cover in expression, and Fig. 8 (a) is the figure that 15 upper side is covered in expression, and Fig. 8 (b) is the figure that represents to cover 15 lower side.
As shown in Figure 4, housing 11 is made of the synthetic resin material, forms roughly rectangular shape.In addition, housing 11 has abutment portion 11a, and by inserting moulding, fixed contact 16 and abutment portion 11a that a part is exposed from the surface of housing 11 form.In addition, fixed contact 16 is made of metallic plate.
Be provided with the 11b of configuration section of moving contact plate 12 in the central authorities of the front surface of abutment portion 11a, the 11b of this configuration section forms the concavity of substantially elliptical, can dispose moving contact plate 12, expose the 1st fixed contact 16a that is provided with as the part of fixed contact 16 in the central authorities of the 11b of configuration section, end exposes and is provided with as the part of fixed contact 16 and the 2nd fixed contact 16b that is not electrically connected with the 1st fixed contact 16a about the 11b of configuration section.
End about the upside of the place ahead of abutment portion 11a, reinforced sheet 16c is set to be exposed to the foreign side of housing 11, this reinforced sheet 16c with the part of integrally formed the 2nd fixed contact 16b of housing 11 to the left and right direction extend to position corresponding to fitting portion 11e and form.
At the front surface of abutment portion 11a, and forward direction vertical with abutment portion 11a is formed with respectively the guiding wall 11c of the action of guiding operating body 14 highlightedly in the left and right sides across the 11b of configuration section.On the face of the guiding wall 11c of the 11b of configuration section one side, be formed with respectively the guide part 11d that forms the shape corresponding with the shape of operating body 14.
In addition, position at the rear of the abutment portion 11a corresponding with the position that is provided with reinforced sheet 16c, shown in Fig. 4 (b), be provided with and cover 15 chimeric fitting portion 11e, fitting portion 11e has: as the chimeric surface 11f of smooth face, form towards the direction of lower side along the upper side from housing 11; With the guide surface 11g as smooth face, form towards the direction of lower side along the upper side from housing 11, chimeric surface 11f forms towards the rear, and guide surface 11g is the face continuous with chimeric surface 11f, and 11f forwards is formed obliquely with respect to chimeric surface.
Rear side at housing 11 is provided with the 1st terminal 16d and the 2nd terminal 16e that is consisted of and can be electrically connected with the outside by metallic plate.The 1st terminal 16d and the 2nd terminal 16e are arranged on the left and right directions, and form rearward outstanding.
The 1st terminal 16d extension arranges the part of the 1st fixed contact 16a and forms, and the 2nd terminal 16e extension arranges the part of the 2nd fixed contact 16b and forms.
Shown in Fig. 5 (a) and Fig. 5 (b), moving contact plate 12 is made of metallic plate, and forms the domed shape of substantially elliptical.Be pressed from the outstanding direction of the 12a of moving contact section if form the 12a of moving contact section of domed shape, then after the direction deflection that is pressed, overturn, press if remove, then revert to the shape before pressing.
As shown in Figure 6, sheet material 13 consists of by having flexible synthetic resin material, forms laminar.The profile of sheet material 13 forms roughly octagon, and is formed with the sticking veneer 13a that is coated with binding agent at a face.
Shown in Fig. 7 (a) and Fig. 7 (b), operating body 14 is formed by the synthetic resin material.Operating body 14 comprises: base portion 14a forms tabular; With the 14b of button section, give prominence to and form with column from the face of base portion 14a.The width dimensions of the above-below direction of the 14b of button section forms identical size with the width dimensions of the above-below direction of base portion 14a.
When observing operating body 14 from front side, base portion 14a forms roughly octagon, has the inclined plane 14c that forms respectively chamfer shape at the base portion 14a of operating body 14 four jiaos.
Be formed with the protuberance 14d of the 12a of moving contact section that can press moving contact plate 12 at the center of another face of base portion 14a.Protuberance 14d forms the shape that picture has cut away the front end of the circular cone of giving prominence to towards the direction of separating with base portion 14a.
Shown in Fig. 8 (a) and Fig. 8 (b), lid 15 carries out panel beating to metallic plate and forms.Lid 15 comprises: front panel 15a forms roughly oblong-shaped; Protective bulkhead 15b arranges from vertically extending to same direction (rear to) with front panel 15a up and down of front panel 15a; And sidewall 15c, from about front panel 15a, vertically extend setting to the direction identical with protective bulkhead 15b with front panel 15a.
In addition, the front panel 15a of lid 15 has can make the 14b of button section insert logical peristome 15d, and the width dimensions of the above-below direction of peristome 15d expands to identical size with the width dimensions of the above-below direction of front panel 15a.
Protective bulkhead 15b has from about the rear side end face of protective bulkhead 15b the end backward directions and extends the extension that arranges the 15e of section is set; the front end that the 15e of section is set in extension has tabling piece 15f; this tabling piece 15f is respectively towards the outstanding setting in the outside of left and right directions, and is chimeric with the fitting portion 11e of housing 11.
In addition, the end face at the front side of tabling piece 15f is formed with claw 15g with convex form.
Sidewall 15c has respectively the weld part 15h of welding when being installed on the substrate BO (with reference to Fig. 2), and weld part 15h vertically forms lower end and the sidewall 15c of sidewall 15c to the interior lateral buckling of lid 15.
In addition, implemented gold-plated in the zone of the downside of the lid 15 that comprises weld part 15h.
The structure of key switch 1 then, is described with reference to Fig. 1 and Fig. 9.Fig. 9 is the figure of the chimeric method of expression fitting portion 11e and tabling piece 15f, and Fig. 9 (a) is expression fitting portion 11e and the figure of the chimeric front state of tabling piece 15f, and Fig. 9 (b) is the figure that represents fitting portion 11e and the tabling piece 15f state after chimeric.
As shown in Figure 1, overlapping two moving contact plates 12 and be configured to the 11b of configuration section of housing 11.At this moment, moving contact plate 12 is configured to make the direction of the 12a of moving contact section set fixed contact 16 on away from housing 11, is electrically connected with the 2nd fixed contact 16b.
Operating body 14 is with mode and sheet material 13 overlay configuration of protuberance 14d (with reference to Fig. 7) with sheet material 13 butts.At this moment, the inclined plane 14c of operating body 14 is configured to, and can be moved along guide part 11d by the guide part 11d of corresponding respectively guiding wall 11c guiding.In addition, the 14b of button section is configured to from the guide part 11d of housing 11 forwards side-prominent.
Tabling piece 15f is riveted to arrow B and arrow C direction shown in Fig. 9 (a) with housing 11 stacked lids 15, shown in Fig. 9 (b), tabling piece 15f is pressed into from the deep mode of guide surface 11g side direction chimeric surface 11f with claw 15g (with reference to Fig. 8), chimeric surface 11f engages with tabling piece 15f, thus cover 15 with housing 11 chimeric.
Thus, by cover 15 at a Width of operating body 14, sheet material 13 and the moving contact plate 12 of the interior one configuration of housing 11 by covering 15 intrusions such as dust that prevent from the outside, another Width prevents intrusions such as dust from the outside by guiding wall 11c.
The action of key switch 1 then, is described with reference to Figure 10.Figure 10 is the figure of the action of expression key switch 1, and Figure 10 (a) is the figure of the state of the preoperative key switch 1 of expression, and Figure 10 (b) is the figure of the state of the key switch 1 after the expression operation.In addition, for convenience of explanation, in Figure 10, only represent a moving contact plate 12.
Shown in Figure 10 (a), if to the 14b of button section of arrow D direction pressing operation body 14, then operating body 14 moves to arrow D direction.Shown in Figure 10 (b), the operating body 14 that has moved to arrow D direction is pressed moving contact plate 12 via sheet material 13 with protuberance 14d and sheet material 13 butts.The direction deflection that the moving contact plate 12 that is pressed is pressed to the 12a of moving contact section is with the 1st fixed contact 16a butt.
The moving contact plate 12 that is pressed and the 1st fixed contact 16a butt, thus conduct via moving contact plate 12 between the 1st fixed contact 16a and the 2nd fixed contact 16b.In addition, if remove the pressing operation to operating body 14, then owing to the elastic force of moving contact plate 12, operating body 14, sheet material 13 and moving contact plate 12 return to the front position that is pressed, and conducting between the 1st fixed contact 16a and the 2nd fixed contact 16b is disengaged.Like this, by switching conducting between the 1st fixed contact 16a and the 2nd fixed contact 16b, obtain switching function.
Then, with reference to Figure 11 the installation of key switch 1 on the substrate BO of electric product is described.Figure 11 is the figure of the installation method of explanation key switch 1 on the substrate BO of electric product, and Figure 11 (a) is the figure of the state before substrate BO installs key switch 1, and Figure 11 (b) is the figure of the state after substrate BO installs key switch 1.
Shown in Figure 11 (a), substrate BO be formed with by metal forming consist of and be used for substrate keep key switch 1 the 1st pad (land) LN1 of section, consisted of and the 2nd welding disk LN2 that is electrically connected with key switch 1 and the notch part SL that is cut into concave shape by metal forming.
Shown in Figure 11 (b), key switch 1 is configured to insert the part of the lower side of housing 11 in notch part SL (with reference to Figure 11 (a)).At this moment, cover weld part 15g set on 15 in the 1st welding disk LN1 configuration, at the 2nd welding disk LN2 configuration the 1st a terminal 16d, at another the 2nd welding disk LN2 configuration the 2nd terminal 16e.
Weld part 15h, the 1st terminal 16d and the 2nd terminal 16e of like this configuration are welded to corresponding respectively the 1st welding disk LN1 or the 2nd welding disk LN2, thereby key switch 1 is fixed on the substrate BO, and is electrically connected with substrate BO.
Below, the effect of present embodiment is described.
In the key switch 1 of present embodiment, comprising: housing 11 has a plurality of fixed contacts 16; Moving contact plate 12 is disposed at housing 11, according to pressing operation with 16 contacts of a plurality of fixed contacts or separate; Operating body 14 is configured to be used for making moving contact plate 12 movable by pressing operation from the outstanding part of the front side of housing 11; And cover 15, chimeric with housing 11, prevent that operating body 14 from coming off, the part of the lower side of housing 11 can be configured in the upper set notch part SL of substrate BO of electric product, pass through pressing operation, operating body 14 can move towards the direction of rear side to the front side from housing 11, in this key switch, be provided with and cover 15 chimeric fitting portion 11e at housing 11, fitting portion 11e has: as the chimeric surface 11f of smooth face, form towards the direction of lower side along the upper side from housing 11; With the guide surface 11g as smooth face, form towards the direction of lower side along the upper side from housing 11, the direction formation that chimeric surface 11f oriented manipulation body 14 is pressed and operates, guide surface 11g and chimeric surface 11f are continuous, towards be pressed from operating body 14 operation direction away from direction be formed obliquely.
Thus, can be more in the past than the length of the above-below direction that prolonged chimeric surface 11f.Therefore, even be subject to pressing operation with unusual strong power, the tabling piece 15f of lid 15 is subject in the situation of the power of top, and lid 15 broke away from chimeric also being difficult to of housing 11, has to prevent from covering 15 effects that come off.
In addition, in the key switch 1 of present embodiment, lid 15 has the tabling piece 15f chimeric with fitting portion 11e, and tabling piece 15f is to being pressed into towards the direction of chimeric surface 11f from guide surface 11g side, and 11f engage with chimeric surface, thus cover 15 and housing 11 chimeric.
Thus, be that guide surface 11g side pressure enters from the short side direction of chimeric surface 11f, therefore can be to be pressed into tabling piece 15f with in the past identical load, and be subject in the situation of pressing operation with unusual strong power, on tabling piece 15f, short side direction at chimeric surface 11f does not have power to apply, on the long side direction of chimeric surface 11f, apply effectively, even in the situation about therefore being offset in the position of tabling piece 15f, chimeric also being difficult to of chimeric surface 11f and tabling piece 15f breaks away from, and has to prevent from covering 15 effects that come off.
In addition, in the key switch 1 of present embodiment, be formed with reinforced sheet 16c, this reinforced sheet 16c will extend to the part of the integrally formed fixed contact 16 of housing 11 with position corresponding to fitting portion 11e and strengthen fitting portion 11e.
Thus, thereby even applied in the situation of power at tabling piece 15f being subject to pressing operation with unusual strong power, by at the position configuration reinforced sheet 16c corresponding with fitting portion 11e, also the intensity of fitting portion 11e can be improved, chimeric loosening 15 effects that come off that also cause thus covering of fitting portion 11e deflection can be prevented thereby have.
In addition, in the key switch 1 of present embodiment, reinforced sheet 16c forms, and is projected into the foreign side of housing 11.
Thus, the end that can cut off reinforced sheet 16c after housing 11 moulding is compared with the situation of molded housing 11 after the cut-out reinforced sheet 16c, has the effect that can arrange easily fixed contact 16.
In addition, in the key switch 1 of present embodiment, the long side direction of weld part 15h is identical with the direction that the 14b of button section is pressed.
Thus, as existing key switch, even the central authorities without the above-below direction of the rear surface of substrate BO supporting key switch 1, because weld part 15h is welded on the substrate BO, therefore having key switch 1 when operating can be to pressing that direction is toppled over but can remain in effect on the substrate BO.
In addition, in the key switch 1 of present embodiment, overlapping two moving contact plates 12 use.
Thus, can increase the weight of the operational load of key switch 1, not distinguish the effect that the different moving contact plate 12 of independent beamhouse operation load also can the Adjustment operation load even have.
In addition, in the key switch 1 of present embodiment, implemented gold-plated in the zone of the downside of the lid 15 that comprises weld part 15h.
Thus, have following effect, when forming weld part 15h by bending machining, be difficult to form the plating slag (メ Star キ カ ス) that produces owing to crooked, and can improve the weld strength when substrate BO welds.
As mentioned above, understand specifically the key switch 1 of execution mode of the present utility model, but the utility model is not limited to above-mentioned execution mode, can implement various changes in the scope that does not break away from main idea.For example can implement after the following distortion, these execution modes also belong to technical scope of the present utility model.
(1) in the present embodiment, overlapping two moving contact plates 12 use, but also can change as required the sheet number of moving contact plate 12 in the scope that can dispose.
(2) in the present embodiment, implemented gold-platedly in the zone of the downside of the lid 15 that comprises weld part 15h, but also can dwindle the gold-plated scope of implementing, gold-plated etc. as only implementing at weld part 15h.Thus can cutting down cost.
(3) in the present embodiment, moving contact plate 12 is formed the substantially elliptical shape, but also can form circle.
Claims (4)
1. key switch,
Comprise: housing has a plurality of fixed contacts;
The moving contact plate is disposed at above-mentioned housing, according to pressing operation and with above-mentioned a plurality of fixed contacts contact or separate;
Operating body is configured to be used for making above-mentioned moving contact plate movable by pressing operation from the outstanding part of the front side of above-mentioned housing; And
Lid, chimeric with above-mentioned housing, prevent coming off of aforesaid operations body,
The part of the lower side of above-mentioned housing can be configured in notch part set on the substrate of electric product, and by pressing operation, the aforesaid operations body can move towards the direction of rear side to the front side from above-mentioned housing,
Above-mentioned key switch is characterised in that,
Be provided with the fitting portion chimeric with above-mentioned lid at above-mentioned housing,
Above-mentioned fitting portion has: as the chimeric surface of smooth face, form towards the direction of lower side along the upper side from above-mentioned housing; With the guide surface as smooth face, form towards the direction of lower side along the upper side from above-mentioned housing,
Above-mentioned chimeric surface towards above-mentioned operating body be pressed the operation direction and form,
Above-mentioned guide surface and above-mentioned chimeric surface are continuous, towards be pressed from the aforesaid operations body operation direction away from direction be formed obliquely.
2. key switch according to claim 1 is characterized in that,
Above-mentioned lid has the tabling piece chimeric with above-mentioned fitting portion,
Above-mentioned tabling piece engages with above-mentioned chimeric surface to being pressed into towards the direction of above-mentioned chimeric surface from above-mentioned guide surface side, thereby above-mentioned lid and above-mentioned housing are chimeric.
3. key switch according to claim 1 is characterized in that,
Be formed with reinforced sheet, this reinforced sheet will extend to the part of the integrally formed above-mentioned fixed contact of above-mentioned housing with position corresponding to above-mentioned fitting portion strengthens above-mentioned fitting portion.
4. key switch according to claim 3 is characterized in that, above-mentioned reinforced sheet is formed the foreign side that is projected into above-mentioned housing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP214293/2011 | 2011-09-29 | ||
| JP2011214293A JP5911049B2 (en) | 2011-09-29 | 2011-09-29 | Push switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855593U true CN202855593U (en) | 2013-04-03 |
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ID=47986762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220431943.6U Expired - Lifetime CN202855593U (en) | 2011-09-29 | 2012-08-28 | Button switch |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5911049B2 (en) |
| CN (1) | CN202855593U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5958976B2 (en) * | 2014-03-25 | 2016-08-02 | アルプス電気株式会社 | Push switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4469878B2 (en) * | 2007-07-13 | 2010-06-02 | ホシデン株式会社 | Push button switch |
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2011
- 2011-09-29 JP JP2011214293A patent/JP5911049B2/en active Active
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2012
- 2012-08-28 CN CN201220431943.6U patent/CN202855593U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013073905A (en) | 2013-04-22 |
| JP5911049B2 (en) | 2016-04-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: ALPS ELECTRIC Co.,Ltd. Address before: Tokyo, Japan Patentee before: Alps Electric Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |