EP2685483B1 - Switch - Google Patents
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- Publication number
- EP2685483B1 EP2685483B1 EP11860185.5A EP11860185A EP2685483B1 EP 2685483 B1 EP2685483 B1 EP 2685483B1 EP 11860185 A EP11860185 A EP 11860185A EP 2685483 B1 EP2685483 B1 EP 2685483B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slider
- press button
- housing
- engaging groove
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
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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
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
- H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
Definitions
- the present invention relates to a method of assembling a switch, particularly to a method of assembling a switch in which a press button can be retrofitted to a housing.
- a switching device which includes a housing having an accommodating portion, an operating member for receiving pushing operation, a fixed contact constituted by a metal common contact and a metal switching contact vertically arranged in the accommodating portion, a movable contact having a contact portion which contacts on or separates from the switching contact, and a snap-action mechanism for driving the movable contact when the operating member is pushed to a prescribed position (refer to Patent Document 1).
- Patent Document 1 Japanese Unexamined Patent Publication No. 2010-73662
- the above-described switching device requires an upper case 21 preassembled with the operating member 5 to be assembled to a lower case 22. Accordingly, the assembly work involves a lot of efforts and requires skill, and there is a problem of productivity.
- a switch comprising the features of the preamble of claim 1 is known from EP 0 386 844 A2 .
- a switch includes a housing having an operating hole, a press button inserted into the operating hole in the housing in a vertically reciprocating manner, a slider that is supported in a vertically reciprocating manner and is biased upward in the housing, the slider having a recessed portion that is provided on an upper end surface and is pushed down by a lower end portion of the press button, and a built-in switch having an operating button driven by the slider pushed down by the press button.
- the switch is configured such that an engaging projection provided on a lower end edge portion of the press button is engaged and inserted into a first engaging groove provided on an inner periphery surface of the operating hole in the housing, the slider is pushed down by the engaging projection which passed through the first engaging groove while rotating the press button, and the engaging projection of the press button is engaged with a second engaging groove provided on an inner periphery surface of the recessed portion of the slider, so that the slicer moves upward and holds the press button in place.
- the press button when the second engaging groove of the slider is engaged with the engaging projection of the press button, the press button is unable to return to the original position. As a result, the engaging projection of the press button does not come out of the first engaging groove in the housing, and the press button does not come out of the housing. Accordingly, the press button can easily be retrofitted to the housing in which internal components has been incorporated, thereby achieving a high-productivity switch.
- the slider may be biased upward by a spring member accommodated in the housing.
- the slider accommodated in the housing is biased upward, the occurrence of rattling of the slider is reduced.
- an axis center of the first engaging groove and an axis center of the second engaging groove may not be collinear.
- the axis center of the first engaging groove and the axis center of the second engaging groove are shifted in position from each other when seen from the upper surface, and the upward movement of the slider does not allow the press button to return to the original position, so that the press button does not come out of the housing.
- the engaging projection of the press button may be brought into contact with an inner ceiling surface in the housing.
- the press button is sandwiched by the inner ceiling surface in the housing and the slider which is biased upward, and the switch having no rattling can be obtained.
- a position regulating cutout portion provided on the upper end surface of the slider can be brought into contact with a position regulating piece provided in the housing.
- the position regulating cutout portion provided on the upper end surface of the slider which is biased upward can be brought into contact with the position regulating piece disposed in the housing. Therefore, a state where the slider is always biased upward can be obtained. Accordingly, the present invention has the advantage of providing a switch in which the slider has no rattling and false operation hardly occurs.
- a switch As illustrated in Figs. 2 and 3 of the accompanied drawings, a switch according to the present embodiment includes a housing 10, a holder 20 with which contact terminals 30 and 31, a socket 40, a micro switch 50, a slider 60, and a coil spring 70 are assembled and is assembled with the housing 10 from the lateral direction, and a press button 90 which is, in junction with a rubber cap 80, assembled integrally with the housing 10.
- the housing 10 has a box-like shape with an opening 11 ( Fig. 3 ) on one side surface thereof.
- a positioning projected portion 12 is projected and a fit-in step 13 is formed.
- a threaded hole 13a is provided on the side surface of the fit-in step 13.
- the housing 10 includes an operating hole 14 provided on the upper surface thereof, and also includes a small annular rib 15 and a large annular rib 16 concentrically provided on the opening edge portion of the operating hole 14.
- a first engaging groove 17 is vertically provided along the inner periphery surface of the small annular rib 15.
- a pair of protection walls 18, 18 is projected which is capable of protecting the press button 90 (to be described later) from external forces.
- the holder 20 includes a side wall 21 which can be assembled from the opening 11 of the housing 10.
- a pair of engagement nails 22, 22 is projected so as to face each other on the outward surface of the side wall 21, and a pedestal portion 23 is projected to reduce the amount of sealing material required and to enhance the sealing strength.
- the holder 20 includes a base portion 24 having a substantially L-shape in cross section and projecting from the inward surface of the side wall 21, and a guiding projected thread 25a provided at the corner portion of the base portion 24.
- a guide groove 25c is formed for guiding the slider 60 (to be described later).
- a positioning projection 25d is provided on the bottom side of the guide groove 25c and on an inner bottom surface of the base portion 24 for positioning the coil spring 70 (to be described later).
- a position regulating piece 25e is projected toward a horizontal direction from an upper end portion of the separating projected thread 25b.
- a pair of shaft portions 26, 26 is projected for assembling the micro switch 50 (to be described later) therewith. Furthermore, on a proximal portion of the pair of shaft portions 26, 26, cutout grooves 27, 27 ( Fig. 3 ) are provided for fitting the common fixed contact terminal 30 and the movable contact terminal 31(both to be described later) therein.
- the common fixed contact terminal 30 and the movable contact terminal 31 are press-formed, by punching in a press work integrally with a coupling portion 32 therebetween. From the opposing end portion of the movable contact terminal 31, a constantly-closed fixed contact connecting portion 34 and a constantly-opened fixed contact connecting portion 35 are extended.
- either the constantly-closed fixed contact connecting portion 34 or the constantly-opened fixed contact connecting portion 35 is to be cut out as needed, and the contact terminals are used with the coupling portion 32 being cut out.
- the socket 40 has a cylindrical shape, to which a connector (not illustrated) can be inserted. As illustrated in Figs. 4A and 4B , the socket 40 includes a pair of terminal holes 42, 43 through which the common fixed contact terminal 30 and the movable contact terminal 31 can be inserted into a connecting portion 41 that is provided at one side of the socket 40, and a pair of engaging grooves 44, 44 ( Figs. 2 and 3 ) provided so as to face each other across the pair of terminal holes 42, 43.
- the micro switch 50 on one side-surface thereof, has an operating button 51 capable of slidably moving toward the direction of an axis center, and on the other side-surface thereof, has a common fixed contact terminal 52, a constantly-closed movable contact terminal 53, and a constantly-opened movable contact terminal 54, in a projected manner. Further, the micro switch 50 includes a pair of shaft holes 55, 55 provided so as to pass through the front and rear surfaces thereof.
- the slider 60 is a planar-shaped molded product which slidably fits in the guide groove 25c.
- the slider 60 includes a cutout portion 61 which fits in the guiding projected thread 25a formed at a corner portion on the rear side thereof, and includes a pair of sliding projected threads 62, 62 arranged in a line at a side surface on the front side thereof for reducing the contacting area.
- the slider 60 has a recessed portion 63 in which a lower end portion 95 of the press button 90 (to be described later) is fitted.
- the recessed portion 63 includes a second engaging groove 64 provided on an inner periphery surface thereof, and includes a position regulating cutout portion 65 provided by cutting out a portion thereof.
- an operating tapered surface 66 is provided.
- a fitting hole 67 ( Fig. 3 ) in which the coil spring 70 can be fitted is provided.
- first engaging groove 17 and the second engaging groove 64 are provided in a position shifted by 90 degrees from each other when seen from the upper surface, it is adequate unless they are collinear. They may be shifted in position, for example, by 45 degrees, 60 degrees, 120 degrees, or 180 degrees from each other.
- the rubber cap 80 is a truncated-cone-shaped cylinder having an upper opening 81 with a smaller diameter and a lower opening 82 with a larger diameter, and includes an annular rib 83 provided on the outer peripheral edge portion of the lower opening 82.
- the annular rib 83 has a diameter which can be fitted into a gap between the small annular rib 15 and the large annular rib 16 in the housing 10.
- the press button 90 has a cross-sectional shape which can be inserted to the operating hole 14 in the housing 10, includes an engaging projection 91 projecting at the lower end edge portion, and an engaging annular rib 92 that is projected at the upper end edge portion.
- the engaging annular rib 92 includes an annular narrow-neck portion 93 provided on the proximal portion thereof, and an indexing projection 94 provided on a position corresponding to the engaging projection 91.
- a lower end portion 95 of the press button 90 has a dome-like shape that bulges downward in order to prevent uneven contact.
- the cleaved common fixed contact terminal 30 and the movable contact terminal 31 are respectively inserted into the terminal holes 42 and 43 of the socket 40 to perform positioning, and subsequently, the pair of engaging grooves 44, 44 of the socket 40 are engaged with the pair of engagement nails 22, 22 of the holder 20 for sliding therealong. Then, the common fixed contact terminal 30 and the movable contact terminal 31 are fitted in the corresponding cut out grooves 27, 27 of the holder 20.
- the pair of shaft holes 55, 55 of the micro switch 50 are inserted into the pair of shaft portions 26, 26 of the holder 20, and a common fixed contact connecting portion 33 and constantly-opened fixed contact connecting portion 35 are soldered to the common fixed contact terminal 52 and the movable contact terminal 54.
- the slider 60 preassembled with the coil spring 70 is assembled with the guide groove 25c of the holder 20.
- the position regulating cutout portion 65 of the slider 60 is brought into contact with the position regulating piece 25e of the holder 20 to be temporarily stopped.
- the holder 20 is inserted from the opening 11 in the housing 10, and subsequently a sealing material (not illustrated) is injected into the outward surface of the side wall 21 and is solidified therein for sealing the outward surface.
- the lower end portion 95 of the press button 90 is press fitted into the rubber cap 80 from the upper opening 81, and the narrow-neck portion 93 of the press button 90 is engaged with the upper opening 81 of the rubber cap 80 to hold the press button 90 in place.
- the engaging projection 91 of the press button 90 is fitted and inserted into the first engaging groove 17 provided in the operating hole 14 in the housing 10 ( Fig. 11A ).
- the slider 60 is pushed down by the engaging projection 91 of the press button 90 ( Figs. 11B , 6A and 6B ), after the engaging projection 91 passes through the first engaging groove 17 ( Figs.
- the engaging projection 91 of the press button 90 rotates toward the second engaging groove 64 of the slider 60 ( Figs. 8A and 8B ).
- the engaging projection 91 is engaged with the second engaging groove 64 of the slider 60
- the slider 60 is pushed upward by the spring force of the coil spring 70, so that the position of the slider 60 is regulated ( Figs. 9A and 9B ).
- the engaging projection 91 of the press button 90 is brought into contact with the inner ceiling surface 10a in the housing 10, so that the position of the press button 90 is regulated ( Figs. 10A and 10B ).
- the press button 90 is unable to rotate, and thus is held in place.
- the annular rib 83 of the rubber cap 80 is sealed by thermally caulking the large annular rib 16.
- the slider 60 since the slider 60 is biased upward by the spring force of the coil spring 70, no rattling is generated. Further, in the completely assembled switch, the tapered surface 66 of the slider 60 is not contact with the operating button 51 of the micro switch 50, which offers the advantage of preventing the occurrence of false operation due to vibration, or the like.
- the engaging projection 91 of the press button 90 is locked to the inner ceiling surface 10a of the housing 10 ( Figs. 10A and 10B ), so that the press button 90 does not come out of the housing 10, and the slider 60 is brought in contact with the press button 90, and the position of the slider 60 is regulated to have the press button 90 returned to the original state ( Fig. 4A ).
- the press button 90 is vertically operable from the operating hole 14 provided on the upper surface of the housing 10.
- the present invention is not necessarily restricted to this. It is obvious that for example, a configuration may be employed, in which the press button 90 is operable from an operating hole provided on the side surface, the front surface, or the bottom surface of the housing 10.
- the switch according to the present invention is not limited to the switch described above, and may obviously be applied also to other switches.
Landscapes
- Push-Button Switches (AREA)
- Slide Switches (AREA)
Description
- The present invention relates to a method of assembling a switch, particularly to a method of assembling a switch in which a press button can be retrofitted to a housing.
- Conventionally, as a switch having a press button, there has been, for example, a switching device which includes a housing having an accommodating portion, an operating member for receiving pushing operation, a fixed contact constituted by a metal common contact and a metal switching contact vertically arranged in the accommodating portion, a movable contact having a contact portion which contacts on or separates from the switching contact, and a snap-action mechanism for driving the movable contact when the operating member is pushed to a prescribed position (refer to Patent Document 1).
- Patent Document 1:
Japanese Unexamined Patent Publication No. 2010-73662 - However, as apparent from
Fig. 2 , the above-described switching device requires anupper case 21 preassembled with the operating member 5 to be assembled to alower case 22. Accordingly, the assembly work involves a lot of efforts and requires skill, and there is a problem of productivity. - A switch comprising the features of the preamble of claim 1 is known from
EP 0 386 844 A2 . -
- It is an object of the present invention to provide a high-productivity method for assembling a switch, in which a press button can be retrofitted to a housing preassembled with internal components.
- The object is achieved by the methods according to claims 1, 5 and 9. Further preferred embodiments of the invention are defined by the dependent claims. Aspects of the invention are set out below.
- A switch according to an aspect, includes a housing having an operating hole, a press button inserted into the operating hole in the housing in a vertically reciprocating manner, a slider that is supported in a vertically reciprocating manner and is biased upward in the housing, the slider having a recessed portion that is provided on an upper end surface and is pushed down by a lower end portion of the press button, and a built-in switch having an operating button driven by the slider pushed down by the press button. The switch is configured such that an engaging projection provided on a lower end edge portion of the press button is engaged and inserted into a first engaging groove provided on an inner periphery surface of the operating hole in the housing, the slider is pushed down by the engaging projection which passed through the first engaging groove while rotating the press button, and the engaging projection of the press button is engaged with a second engaging groove provided on an inner periphery surface of the recessed portion of the slider, so that the slicer moves upward and holds the press button in place.
- According to the present invention, when the second engaging groove of the slider is engaged with the engaging projection of the press button, the press button is unable to return to the original position. As a result, the engaging projection of the press button does not come out of the first engaging groove in the housing, and the press button does not come out of the housing. Accordingly, the press button can easily be retrofitted to the housing in which internal components has been incorporated, thereby achieving a high-productivity switch.
- According to an aspect, the slider may be biased upward by a spring member accommodated in the housing.
- According to the present aspect, since the slider accommodated in the housing is biased upward, the occurrence of rattling of the slider is reduced.
- Further, as another aspect, an axis center of the first engaging groove and an axis center of the second engaging groove may not be collinear.
- According to the present aspect, the axis center of the first engaging groove and the axis center of the second engaging groove are shifted in position from each other when seen from the upper surface, and the upward movement of the slider does not allow the press button to return to the original position, so that the press button does not come out of the housing.
- As a different aspect, the engaging projection of the press button may be brought into contact with an inner ceiling surface in the housing.
- According to the present aspect, the press button is sandwiched by the inner ceiling surface in the housing and the slider which is biased upward, and the switch having no rattling can be obtained.
- As still another aspect, a position regulating cutout portion provided on the upper end surface of the slider can be brought into contact with a position regulating piece provided in the housing.
- According to the present aspect, the position regulating cutout portion provided on the upper end surface of the slider which is biased upward can be brought into contact with the position regulating piece disposed in the housing. Therefore, a state where the slider is always biased upward can be obtained. Accordingly, the present invention has the advantage of providing a switch in which the slider has no rattling and false operation hardly occurs.
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Figs. 1A and 1B are perspective views of a switch according to the present invention seen from different angles. -
Fig. 2 is an exploded perspective view of the switch illustrated inFigs. 1A . -
Fig. 3 is an exploded perspective view of the switch illustrated inFigs. 1B .Figs. 4A and 4B are sectional views each illustrating before and after operation of the switch illustrated inFigs. 1A and 1B . -
Figs. 5A and 5B are a perspective view and a partially sectional perspective view for describing an assembly method of a press button. -
Figs. 6A and 6B are partially sectional perspective views for describing the assembly method of the press button followingFigs. 5A and 5B . -
Figs. 7A and 7B are partially sectional perspective views for describing the assembly method of the press button followingFigs. 6A and 6B . -
Figs. 8A and 8B are partially sectional perspective views for describing the assembly method of the press button followingFigs. 7A and 7B . -
Figs. 9A and 9B are partially sectional perspective views for describing the assembly method of the press button followingFigs. 8A and 8B . -
Figs. 10A and 10B are a longitudinal sectional view and a transverse sectional view for illustrating the press button of the fully assembled switch. -
Figs. 11A, 11B and 11C are sectional views for sequentially describing the assembly method of the press button. - Embodiments of a switch according to the present invention will be described with reference to the accompanied drawings in
Figs. 1A to 11C . - As illustrated in
Figs. 2 and3 of the accompanied drawings, a switch according to the present embodiment includes ahousing 10, aholder 20 with whichcontact terminals socket 40, amicro switch 50, aslider 60, and acoil spring 70 are assembled and is assembled with thehousing 10 from the lateral direction, and apress button 90 which is, in junction with arubber cap 80, assembled integrally with thehousing 10. - As illustrated in
Figs. 2 and3 , thehousing 10 has a box-like shape with an opening 11 (Fig. 3 ) on one side surface thereof. On the front surface of thehousing 10, a positioning projectedportion 12 is projected and a fit-instep 13 is formed. A threadedhole 13a is provided on the side surface of the fit-instep 13. - Further, the
housing 10 includes anoperating hole 14 provided on the upper surface thereof, and also includes a smallannular rib 15 and a largeannular rib 16 concentrically provided on the opening edge portion of theoperating hole 14. A first engaginggroove 17 is vertically provided along the inner periphery surface of the smallannular rib 15. Furthermore, on the outside of the largeannular rib 16, a pair ofprotection walls - The
holder 20 includes aside wall 21 which can be assembled from theopening 11 of thehousing 10. A pair of engagement nails 22, 22 is projected so as to face each other on the outward surface of theside wall 21, and apedestal portion 23 is projected to reduce the amount of sealing material required and to enhance the sealing strength. - Further, the
holder 20 includes a base portion 24 having a substantially L-shape in cross section and projecting from the inward surface of theside wall 21, and a guiding projectedthread 25a provided at the corner portion of the base portion 24. By providing a separating projectedthread 25b in parallel with the guiding projectedthread 25a, aguide groove 25c is formed for guiding the slider 60 (to be described later). Apositioning projection 25d is provided on the bottom side of theguide groove 25c and on an inner bottom surface of the base portion 24 for positioning the coil spring 70 (to be described later). On the other hand, aposition regulating piece 25e is projected toward a horizontal direction from an upper end portion of the separating projectedthread 25b. - On an inner side surface of the base portion 24, a pair of
shaft portions shaft portions cutout grooves 27, 27 (Fig. 3 ) are provided for fitting the common fixedcontact terminal 30 and the movable contact terminal 31(both to be described later) therein. - The common fixed
contact terminal 30 and themovable contact terminal 31 are press-formed, by punching in a press work integrally with acoupling portion 32 therebetween. From the opposing end portion of themovable contact terminal 31, a constantly-closed fixedcontact connecting portion 34 and a constantly-opened fixedcontact connecting portion 35 are extended. - It is to be noted that in assembling the switch, either the constantly-closed fixed
contact connecting portion 34 or the constantly-opened fixedcontact connecting portion 35 is to be cut out as needed, and the contact terminals are used with thecoupling portion 32 being cut out. - The
socket 40 has a cylindrical shape, to which a connector (not illustrated) can be inserted. As illustrated inFigs. 4A and 4B , thesocket 40 includes a pair ofterminal holes contact terminal 30 and themovable contact terminal 31 can be inserted into a connectingportion 41 that is provided at one side of thesocket 40, and a pair of engaginggrooves 44, 44 (Figs. 2 and3 ) provided so as to face each other across the pair ofterminal holes - The
micro switch 50, on one side-surface thereof, has anoperating button 51 capable of slidably moving toward the direction of an axis center, and on the other side-surface thereof, has a common fixedcontact terminal 52, a constantly-closedmovable contact terminal 53, and a constantly-openedmovable contact terminal 54, in a projected manner. Further, themicro switch 50 includes a pair of shaft holes 55, 55 provided so as to pass through the front and rear surfaces thereof. - As illustrated in
Fig. 2 , theslider 60 is a planar-shaped molded product which slidably fits in theguide groove 25c. Theslider 60 includes acutout portion 61 which fits in the guiding projectedthread 25a formed at a corner portion on the rear side thereof, and includes a pair of sliding projectedthreads slider 60 has a recessedportion 63 in which alower end portion 95 of the press button 90 (to be described later) is fitted. The recessedportion 63 includes a second engaginggroove 64 provided on an inner periphery surface thereof, and includes a position regulatingcutout portion 65 provided by cutting out a portion thereof. Immediately below the position regulatingcutout portion 65, an operating taperedsurface 66 is provided. Furthermore, on a lower end surface of theslider 60, a fitting hole 67 (Fig. 3 ) in which thecoil spring 70 can be fitted is provided. - Although the first engaging
groove 17 and the second engaginggroove 64 are provided in a position shifted by 90 degrees from each other when seen from the upper surface, it is adequate unless they are collinear. They may be shifted in position, for example, by 45 degrees, 60 degrees, 120 degrees, or 180 degrees from each other. - The
rubber cap 80 is a truncated-cone-shaped cylinder having anupper opening 81 with a smaller diameter and alower opening 82 with a larger diameter, and includes anannular rib 83 provided on the outer peripheral edge portion of thelower opening 82. Theannular rib 83 has a diameter which can be fitted into a gap between the smallannular rib 15 and the largeannular rib 16 in thehousing 10. - The
press button 90 has a cross-sectional shape which can be inserted to theoperating hole 14 in thehousing 10, includes an engagingprojection 91 projecting at the lower end edge portion, and an engagingannular rib 92 that is projected at the upper end edge portion. The engagingannular rib 92 includes an annular narrow-neck portion 93 provided on the proximal portion thereof, and anindexing projection 94 provided on a position corresponding to the engagingprojection 91. It is to be noted that alower end portion 95 of thepress button 90 has a dome-like shape that bulges downward in order to prevent uneven contact. - Next, an assembly method of the switch according to the present embodiment will be described. For convenience of description, a case where the constantly-closed fixed
contact connecting portion 34 is cut out and the constantly-opened fixedcontact connecting portion 35 is left as is will be described. - First, the cleaved common fixed
contact terminal 30 and themovable contact terminal 31 are respectively inserted into the terminal holes 42 and 43 of thesocket 40 to perform positioning, and subsequently, the pair of engaginggrooves socket 40 are engaged with the pair of engagement nails 22, 22 of theholder 20 for sliding therealong. Then, the common fixedcontact terminal 30 and themovable contact terminal 31 are fitted in the corresponding cut outgrooves holder 20. - Then, the pair of shaft holes 55, 55 of the
micro switch 50 are inserted into the pair ofshaft portions holder 20, and a common fixedcontact connecting portion 33 and constantly-opened fixedcontact connecting portion 35 are soldered to the common fixedcontact terminal 52 and themovable contact terminal 54. Further, theslider 60 preassembled with thecoil spring 70 is assembled with theguide groove 25c of theholder 20. At this time, the position regulatingcutout portion 65 of theslider 60 is brought into contact with theposition regulating piece 25e of theholder 20 to be temporarily stopped. Furthermore, theholder 20 is inserted from theopening 11 in thehousing 10, and subsequently a sealing material (not illustrated) is injected into the outward surface of theside wall 21 and is solidified therein for sealing the outward surface. - After that, as illustrated in
Figs. 5A and 5B , thelower end portion 95 of thepress button 90 is press fitted into therubber cap 80 from theupper opening 81, and the narrow-neck portion 93 of thepress button 90 is engaged with theupper opening 81 of therubber cap 80 to hold thepress button 90 in place. Then, the engagingprojection 91 of thepress button 90 is fitted and inserted into the first engaginggroove 17 provided in theoperating hole 14 in the housing 10 (Fig. 11A ). Furthermore, against the spring force of thecoil spring 70, theslider 60 is pushed down by the engagingprojection 91 of the press button 90 (Figs. 11B ,6A and 6B ), after the engagingprojection 91 passes through the first engaging groove 17 (Figs. 7A and 7B ), the engagingprojection 91 of thepress button 90 rotates toward the second engaginggroove 64 of the slider 60 (Figs. 8A and 8B ). When the engagingprojection 91 is engaged with the second engaginggroove 64 of theslider 60, theslider 60 is pushed upward by the spring force of thecoil spring 70, so that the position of theslider 60 is regulated (Figs. 9A and 9B ). Further, the engagingprojection 91 of thepress button 90 is brought into contact with theinner ceiling surface 10a in thehousing 10, so that the position of thepress button 90 is regulated (Figs. 10A and 10B ). With this configuration, due to the engagement of theslider 60 with the second engaginggroove 64, thepress button 90 is unable to rotate, and thus is held in place. Finally, theannular rib 83 of therubber cap 80 is sealed by thermally caulking the largeannular rib 16. - It is to be noted that after completion of the assembly, the
slider 60 and theposition regulating piece 25e of theholder 20 are not in contact with each other (Fig. 11C ). Further, inFigs. 4A and11C , although the taperedsurface 66 of theslider 60 and theoperating button 51 of themicro switch 50 appear to be in contact with each other, there is a microgap between thetapered surface 66 and theoperating button 51, and they are thus not in contact with each other. - In the present embodiment, since the
slider 60 is biased upward by the spring force of thecoil spring 70, no rattling is generated. Further, in the completely assembled switch, the taperedsurface 66 of theslider 60 is not contact with theoperating button 51 of themicro switch 50, which offers the advantage of preventing the occurrence of false operation due to vibration, or the like. - Next, an operation method of the switch will be described.
- First, as illustrated in
Fig. 4A , in non-load state, since theslider 60 is biased upward by the spring force of thecoil spring 70, and thepress button 90 is also biased upward with theslider 60 interposed between thepress button 90 and thecoil spring 70, rattling is not generated in theslider 60. Further, since there is a microgap between the operating taperedsurface 66 of theslider 60 and theoperating button 51 of themicro switch 50, the operating taperedsurface 66 and theoperating button 51 are not brought into contact with each other. - Then, as illustrated in
Fig. 4B , when thepress button 90 pushes down theslider 60 against the spring force of thecoil spring 70, the operating taperedsurface 66 of theslider 60 pushes theoperating button 51 of themicro switch 50, so that the constantly-opened movable contact (not illustrated) is brought into contact with the common fixed contact. - After that, when the pushing force on the
press button 90 is released, theslider 60 is pushed upward by the spring force of thecoil spring 70. Accordingly, when the load on theoperating button 51 of themicro switch 50 is released, theoperating button 51 returns to the original state, so that the constantly-opened movable contact (not illustrated) is separated from the common fixed contact. - It is to be noted that the engaging
projection 91 of thepress button 90 is locked to theinner ceiling surface 10a of the housing 10 (Figs. 10A and 10B ), so that thepress button 90 does not come out of thehousing 10, and theslider 60 is brought in contact with thepress button 90, and the position of theslider 60 is regulated to have thepress button 90 returned to the original state (Fig. 4A ). - Further, in the above-described embodiment, for convenience of description, there has been described a case where the
press button 90 is vertically operable from the operatinghole 14 provided on the upper surface of thehousing 10. However, the present invention is not necessarily restricted to this. It is obvious that for example, a configuration may be employed, in which thepress button 90 is operable from an operating hole provided on the side surface, the front surface, or the bottom surface of thehousing 10. - The switch according to the present invention is not limited to the switch described above, and may obviously be applied also to other switches.
-
- 10:
- Housing
- 10a:
- Inner ceiling surface
- 11:
- Opening
- 14:
- Operating hole
- 17:
- First engaging groove
- 20:
- Holder
- 21:
- Side wall
- 24:
- Base
- 25a:
- Guiding projected thread
- 25b:
- Separating projected thread
- 25c:
- Guide groove
- 25e:
- Position regulating piece
- 30:
- Common fixed contact terminal
- 31:
- Movable contact terminal
- 40:
- Socket
- 50:
- Micro switch
- 51:
- Operating button
- 60:
- Slider
- 63:
- Recessed portion
- 64:
- Second engaging groove
- 65:
- Position regulating cutout portion
- 66:
- Operating tapered surface
- 70:
- Coil spring
- 80:
- Rubber cap
- 90:
- Press button
- 91:
- Engaging projection
- 92:
- Engaging annular rib
- 95:
- Lower end portion
Claims (12)
- A method of assembling a switch, the switch comprising:a housing (10) having an operating hole (14);a press button (90) inserted into the operating hole (14) in the housing (10) in a vertically reciprocating manner;a slider (60) that is supported in a vertically reciprocating manner and is biased upward in the housing (10) by a spring member (70) accommodated in the housing (10), the slider (60) having a recessed portion (63) that is provided on an upper end surface of the slider (60) and is pushed down by a lower end portion (95) of the press button (90); anda built-in switch (50) having an operating button (51) configured to be driven by the slider (60) when the slider (60) is pushed down by the press button (90),wherein an engaging projection (91) is provided on a lower end edge portion of the press button (90), a first engaging groove (17) is provided on an inner periphery surface of the operating hole (14) in the housing (10), and a second engaging groove (64) is provided on an inner periphery surface of the recessed portion of the slider (60), characterized in that
in assembling the switch, the engaging projection (91) is engaged with and inserted into the first engaging groove (17), the slider (60) is pushed down by the engaging projection (91) that passes through the first engaging groove (17) while rotating the press button (90), and the engaging projection (91) of the press button (90) is engaged with the second engaging groove (64), whereby the slider (60) is moved upward by the spring force of the spring member (70) so that the engaging projection (91) is engaged with the second engaging groove (64) and the position of the press button (90) is held in place. - The method according to claim 1, wherein an axis center of the first engaging groove (17) and an axis center of the second engaging groove (64) are not collinear.
- The method according to claim 1 or 2, wherein the engaging projection (91) of the press button (90) is brought into contact with an inner ceiling surface (10a) of the housing (10) when the position of the press button (90) is held in place.
- The method according to any one of claims 1 to 3, wherein in assembling the switch, a position regulating cutout portion (65) provided on the upper end surface of the slider (60) is temporarily brought into contact with a position regulating piece (25e) disposed in the housing (10).
- A method of assembling a switch, the switch comprising:a housing (10) having an operating hole (14);a press button (90) inserted into the operating hole (14) in the housing (10) in a vertically reciprocating manner;a slider (60) that is supported in a vertically reciprocating manner and is biased downward in the housing (10) by a spring member (70) accommodated in the housing (10), the slider (60) having a recessed portion (63) that is provided on a lower end surface of the slider (60) and is pushed up by an upper end portion (95) of the press button (90); anda built-in switch (50) having an operating button (51) configured to be driven by the slider (60) when the slider (60) is pushed up by the press button (90),wherein an engaging projection (91) is provided on an upper end edge portion of the press button (90), a first engaging groove (17) is provided on an inner periphery surface of the operating hole (14) in the housing (10), and a second engaging groove (64) is provided on an inner periphery surface of the recessed portion of the slider (60), characterized in that in assembling the switch, the engaging projection (91) is engaged with and inserted into the first engaging groove (17), the slider (60) is pushed up by the engaging projection (91) that passes through the first engaging groove (17) while rotating the press button (90), and the engaging projection (91) of the press button (90) is engaged with the second engaging groove (64), whereby the slider (60) is moved downward by the spring force of the spring member (70) so that the engaging projection (91) is engaged with the second engaging groove (64) and the position of the press button (90) is held in place.
- The method according to claim 5, wherein an axis center of the first engaging groove (17) and an axis center of the second engaging groove (64) are not collinear.
- The method according to claim 5 or 6, wherein the engaging projection (91) of the press button (90) is brought into contact with an inner ceiling surface (10a) of the housing (10) when the position of the press button (90) is held in place.
- The method according to any one of claims 5 to 7, wherein in assembling the switch, a position regulating cutout portion (65) provided on the lower end surface of the slider (60) is temporarily brought into contact with a position regulating piece (25e) disposed in the housing (10).
- A method of assembling a switch, the switch comprising:a housing (10) having an operating hole (14);a press button (90) inserted into the operating hole (14) in the housing (10) in a horizontally reciprocating manner;a slider (60) that is supported in a horizontally reciprocating manner and is biased in a first horizontal direction in the housing (10) by a spring member (70) accommodated in the housing (10), the slider (60) having a recessed portion (63) that is provided on a lateral surface of the slider (60) and is pushed in a second horizontal direction opposite to the first horizontal direction by an end portion (95) of the press button (90) facing the slider (60); anda built-in switch (50) having an operating button (51) configured to be driven by the slider (60) when the slider (60) is pushed in the second horizontal direction by the press button (90),wherein an engaging projection (91) is provided on an end edge portion of the press button (90) arranged in the vicinity of the end portion (95) of the press button (90), a first engaging groove (17) is provided on an inner periphery surface of the operating hole (14) in the housing (10), and a second engaging groove (64) is provided on an inner periphery surface of the recessed portion of the slider (60), characterized in that in assembling the switch, the engaging projection (91) is engaged with and inserted into the first engaging groove (17), the slider (60) is pushed in the second horizontal direction by the engaging projection (91) that passes through the first engaging groove (17) while rotating the press button (90), and the engaging projection (91) of the press button (90) is engaged with the second engaging groove (64), whereby the slider (60) is moved in the first horizontal direction by the spring force of the spring member (70) so that the engaging projection (91) is engaged with the second engaging groove (64) and the position of the press button (90) is held in place.
- The method according to claim 9, wherein an axis center of the first engaging groove (17) and an axis center of the second engaging groove (64) are not collinear.
- The method according to claim 9 or 10, wherein the engaging projection (91) of the press button (90) is brought into contact with an inner ceiling surface (10a) of the housing (10) when the position of the press button (90) is held in place.
- The method according to any one of claims 9 to 11, wherein in assembling the switch, a position regulating cutout portion (65) provided on the lateral surface of the slider (60) is temporarily brought into contact with a position regulating piece (25e) disposed in the housing (10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011051618A JP4784708B1 (en) | 2011-03-09 | 2011-03-09 | switch |
PCT/JP2011/057003 WO2012120700A1 (en) | 2011-03-09 | 2011-03-23 | Switch |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2685483A1 EP2685483A1 (en) | 2014-01-15 |
EP2685483A4 EP2685483A4 (en) | 2014-12-03 |
EP2685483B1 true EP2685483B1 (en) | 2016-11-09 |
Family
ID=44881898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11860185.5A Active EP2685483B1 (en) | 2011-03-09 | 2011-03-23 | Switch |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2685483B1 (en) |
JP (1) | JP4784708B1 (en) |
CN (1) | CN103384907B (en) |
WO (1) | WO2012120700A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6902708B2 (en) * | 2016-02-26 | 2021-07-14 | パナソニックIpマネジメント株式会社 | Emergency lighting equipment |
JP6798818B2 (en) | 2016-08-10 | 2020-12-09 | アルプスアルパイン株式会社 | Switch device and detection device to which the switch device is attached |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2010866A1 (en) * | 1968-06-14 | 1970-02-20 | Telemeccanica Elettrica | |
JPS54124982U (en) * | 1978-02-21 | 1979-08-31 | ||
JPS54124982A (en) * | 1978-03-22 | 1979-09-28 | Handotai Kenkyu Shinkokai | Divided gate semiconductor |
JPS58139620A (en) * | 1982-01-18 | 1983-08-19 | 古河電気工業株式会社 | Resin filling part for cable |
JPS58139620U (en) * | 1982-03-16 | 1983-09-20 | リズム時計工業株式会社 | clock switch mechanism |
IT1228704B (en) * | 1989-03-09 | 1991-07-03 | Cge Spa | EMERGENCY RELEASE BUTTON. |
JPH0466020A (en) * | 1990-07-06 | 1992-03-02 | Iseki & Co Ltd | Device for transporting seedling in rice transplanter |
JP2547952Y2 (en) * | 1990-10-15 | 1997-09-17 | ナイルス部品株式会社 | Push rod switch |
JP3150854B2 (en) * | 1994-08-13 | 2001-03-26 | 株式会社小糸製作所 | Glove box lamp |
DE10102883C2 (en) * | 2001-01-23 | 2003-06-26 | Methode Electronics Malta Ltd | Switches, in particular brake light switches for an automobile |
JP3972612B2 (en) * | 2001-08-24 | 2007-09-05 | 松下電器産業株式会社 | Compound switch |
JP2004030935A (en) * | 2002-06-21 | 2004-01-29 | Omron Corp | Simple waterproof type switch |
CN101364490B (en) * | 2007-08-06 | 2013-02-20 | 鸿富锦精密工业(深圳)有限公司 | Dual-color forming press key and manufacturing method therefor |
JP5095691B2 (en) * | 2008-10-27 | 2012-12-12 | 富士電機機器制御株式会社 | Push-button switch |
-
2011
- 2011-03-09 JP JP2011051618A patent/JP4784708B1/en active Active
- 2011-03-23 EP EP11860185.5A patent/EP2685483B1/en active Active
- 2011-03-23 CN CN201180068236.3A patent/CN103384907B/en active Active
- 2011-03-23 WO PCT/JP2011/057003 patent/WO2012120700A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
CN103384907A (en) | 2013-11-06 |
JP4784708B1 (en) | 2011-10-05 |
WO2012120700A1 (en) | 2012-09-13 |
CN103384907B (en) | 2016-08-31 |
JP2012190602A (en) | 2012-10-04 |
EP2685483A4 (en) | 2014-12-03 |
EP2685483A1 (en) | 2014-01-15 |
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