CN100416729C

CN100416729C - Combined operation switch

Info

Publication number: CN100416729C
Application number: CNB2005101338393A
Authority: CN
Inventors: 佐佐木康德
Original assignee: Alps Electric Co Ltd
Current assignee: Alps Alpine Co Ltd
Priority date: 2004-12-22
Filing date: 2005-12-22
Publication date: 2008-09-03
Anticipated expiration: 2025-12-22
Also published as: CN1794394A; JP2006179258A

Abstract

A combined operation switch is provided. An operating member (6) is formed in a circular plain plate shape, having a projection (6a) for pressure on a central lower surface, the outer circumference surface of the operating member (6) is guided on the inner circumference surface of a spindle part (1c) so as to move in the vertical direction. The operating member (6) is arranged in a manner that it is energized upward by an elastic member (7), and an upper surface of the operating member (6) is exposed into a hollow section of a rotating body (8). Then, the operating member (6) is pressed by the pressure operation of the operating knob inserted in the hollow section of the rotating body (8), and a movable contact is made to be inverted by the projection (6a). The compound operation switch can accurately make a mutual contact of contacts, even when there is a displacement caused by end pushing, slanted pushing, etc. of an operating knob, when the operating knob for a pressure operation is large in size.

Description

Combined operation switch

Technical field

The present invention relates to combined operation switch, relate in particular to a kind of combined operation switch that is built-in with pressing operation with the switch of switch and rotary manipulation.

Background technology

As the structure of in the past combined operation switch, known have, the switch that key switch that the integrated built-in pressing operation is used on shared main body and rotary manipulation are used; Wherein, the switch that rotary manipulation is used, switch template of being used by rotary manipulation and the rotor that the brush that slides with the switch template is installed constitute.

This is structure such as Fig. 6, shown in Figure 7 of combined operation switch in the past.Fig. 6 is the cutaway view of combined operation switch in the past; Fig. 7 is the cutaway view with the key head of reciprocal closing operation switch and button part.

In the drawings, combined operation switch has, and is provided with the main body 100 of through hole 130 in central authorities, be provided with substrate 200 with above-mentioned through hole 130 corresponding opening in centre, be provided with rotor 300 with above-mentioned through hole 130 corresponding opening 310 in centre, be installed on this rotor and be exposed to the brush 500 that slides on the switch template of aforesaid substrate 200, be housed in the key switch 600 in the recess 170 that is communicated with setting from the back side of aforementioned body 100 with through hole 130, insert the key head 700 in the through hole 130 from the back side of aforementioned body 100, fixedly be accommodated in the bonnet 800 of the key switch 600 in the above-mentioned recess 170, substrate 200 in the overlapping incorporating section 120 that is accommodated in surface one side that is arranged on aforementioned body 100 and rotor 300 are fixed on framework 400 on the main body 100.

Aforementioned body 100 is overlooked and is square, and its inboard has resettlement section 120.Centre in this resettlement section 120 offers through hole 130; Around this through hole 130, be provided with the cylinder 140 of setting.Around this cylinder 140, be provided with substrate maintaining part 150.In the back side of this main body 100 side, be provided with the recess 170 that is connected with through hole 130 again.This recess 170 is the parts that are used to receive and keep key switch 600 described later, and is provided with according to size, the shape of key switch 600.And, be formed with two slot parts 175, the part that the jut 710 that this slot part 175 is aftermentioned key heads 700 embeds.

Aforesaid substrate 200 is received and kept in the resettlement section 120 of main body 100, and its surface is provided with the switch template of regulation.Again, in the centre of this substrate 200, offer the opening that above-mentioned cylinder 140 embeds, substrate 200 is kept by substrate maintaining part 150.

Above-mentioned rotor 300, overlapping being placed on the aforesaid substrate 200, its centre offers and above-mentioned cylinder 140 corresponding openings 310, around this opening 310, has formed the pinch hand 320 of approximate C font.Again, in the back side of this rotor 300 side, the brush 500 of approximate fork shape has been installed, if rotor 300 is rotated, then this brush 500 slides on the switch template of substrate 200.Be housed in substrate 200 and rotor 300 in the resettlement section 120 of main body 100, be installed in securely on the main body 100 by framework 400.

Above-mentioned key switch 600, be only when pushing as the snap-fastener metallic plate 610 and the contacted known switch of fixed tabs not shown in the figures of movable contact pin, be provided with 4 terminals 620.This key switch 600 is carried out the bar-shaped key head 700 of pressing operation, be entrenched in the above-mentioned through hole 130.Again, the root of this key head 700, promptly, near a side of key switch 600,2 projections 710 that are embedded in the above-mentioned slot part 175 are outstanding in a lateral direction, this projection 710, be used for preventing being inserted into the coming off of key head 700 of through hole 130, and prevent the rotation of key head 700.And,, be provided with snap-fastener metallic plate 610 contacted bossings 720 with key switch 600 at the root of this key head 700.

Be stored in the key switch 600 in the recess 170, be fixed on the main body 100 by bonnet 800.On this bonnet 800, be provided with 4

square holes

810 and 4 apertures 820; Described square hole 810 is used for the terminal 620 of key switch 600; Described aperture 820 is used for bonnet 800 is installed to main body 100.

Above-mentioned combined operation switch rotates by making rotor 300, uses as general rotary switch, uses as key switch 600 by pushing key head 700.

[patent documentation 1] Japan opens flat 5-43439 communique in fact

But, in above-mentioned combined operation switch in the past, under the situation of operation knob in inserting the key head that key switch is carried out pressing operation for big shape, this operation knob implemented to push or tiltedly push from the end wait when operating, then very big inclination can take place in key head in the through hole of main body, cause the projection that is arranged on the key head root to be thrown off from the snap-fastener metallic plate of key switch, generation can not be carried out and the contacted problem of fixed tabs.

Summary of the invention

Therefore, the present invention is in order to address the above problem, its purpose is to provide a kind of combined operation switch with pressing operation with switch, this switch, under the bigger situation of operation knob that pressing operation is used, even operation knob produces to push or tiltedly to push from the end and waits when being offset, also can and each contact between contact reliably.

As being constructed as follows of the 1st technical scheme that solves above-mentioned problem, be provided with; Housing, it has the incorporating section of top opening, and is formed with a circular axial region outstanding in this incorporating section; Being arranged on a pair of on the inner bottom surface of described axial region inboard pushes with fixed contact and a plurality of with the rotation contact template on the circular-arc inner bottom surface that is arranged on described the axial region outside; Functional unit, it can be configured in the inboard of described axial region with pushing, pushing when having with the described travelling contact of pushing with fixed contact contact separation and turnover circular top part, makes its upset; The rotary body of hollow form, it is by described axial region support and can rotating, and is keeping the slide key that is slidingly connected with the contact template with described rotation; Described functional unit formed below central authorities, have the circular writing board shape of pushing with projection, the outer peripheral face of described functional unit, inner peripheral surface guiding by described axial region can lifting, this functional unit is suppressed upward by elastomeric element, and, expose the hollow bulb that is disposed at described rotary body above this functional unit, pressing operation by the operation knob in the hollow bulb that is inserted into described rotary body, described functional unit is pressed, described pushing with projection overturn described travelling contact, described elastomeric element is formed by helical spring, this helical spring one distolateral card ends on the inner bottom surface of the inboard of described axial region, and be abutted against below the peripheral end of another distolateral and described functional unit, described functional unit is suppressed upward, by described helical spring elastic force, described functional unit is retained as parallel when being subjected to pressing operation.

As being constructed as follows of the 2nd technical scheme that solves above-mentioned problem, on the upper side of described travelling contact, be equipped with actuator, this actuator has and the corresponding circular top part of the circular top part of this travelling contact, utilize pushing of described functional unit to push described actuator, described travelling contact is overturn by this actuator with projection.

(invention effect)

As mentioned above, combined operation switch of the present invention is provided with: housing, and it has the incorporating section of top opening, and is formed with a circular axial region outstanding in the incorporating section; Be arranged on a pair of the pushing on the inner bottom surface that props up the axial region inboard with fixed contact and a plurality of with the circular-arc rotation contact template that is arranged on the inner bottom surface in the axial region outside; Functional unit, it can be configured in the inboard of axial region with pushing, when pushing the travelling contact that has and push with fixed contact contact separation and turnover circular top part, makes its upset; The rotary body of hollow form, it is by axial region support and can rotate, and is keeping and slide key that rotation is slidingly connected with the contact template; Functional unit formed below central authorities, have the circular writing board shape of pushing with projection, the outer peripheral face of functional unit, inner peripheral surface guiding by axial region can lifting, functional unit is suppressed upward by elastomeric element, and, expose the hollow bulb that is disposed at rotary body above the functional unit, by the pressing operation of the operation knob in the hollow bulb that is inserted into rotary body, functional unit is pressed, and pushes with projection travelling contact is overturn; So, at the operation knob that pressing operation is used is under the bigger situation, even when this operation knob is implemented that end is pushed or tiltedly pushed etc., because pushing with projection of functional unit can guarantee travelling contact is overturn, so can carry out contact between the stable contact.

Again, elastomeric element is formed by helical spring, helical spring one distolateral card ends on the inner bottom surface of the inboard of an axial region, and be abutted against below the peripheral end of another distolateral and functional unit, functional unit is suppressed upward, by helical spring elastic force, functional unit is retained as parallel when being subjected to pressing operation; Therefore, press excursion such as push, tiltedly push even on operation knob, produce the end, because functional unit is held parallel by helical spring, so the pressing operation of operation knob can accurately be communicated on the functional unit on lossless ground.

Description of drawings

Fig. 1 is the exploded perspective view of expression combined operation switch of the present invention.

Fig. 2 is the vertical view of expression combined operation switch of the present invention.

Fig. 3 is the cutaway view of the 3-3 line of Fig. 2 of the present invention.

Fig. 4 is the cutaway view of the 4-4 line of Fig. 2 of the present invention.

Fig. 5 is the vertical view of the housing of expression combined operation switch of the present invention.

Fig. 6 is a cutaway view of representing combined operation switch in the past.

Fig. 7 represents the key head of combined operation switch in the past and the partial sectional view of key switch.

Among the figure: 1-housing, 1a, the 1b-incorporating section, 1c-props up axial region, the 1d-par, 1e-spring fastener, 1f-locking protrusion, the 1g-protuberance, 2a, 2b-pushes and uses fixed contact, 2c, the 2d-outside terminal, 3a, 3b, 3c-rotation contact template, 3d, 3e, the 3f-outside terminal, the 4-travelling contact, 6-functional unit, 6a-are pushed and are used projection, the 7-elastomeric element, the 8-rotary body, 8a-bottom, 8b-wall portion, the 8c-piston part, 8d-cylindrical portion, all holding sections in the 8e-, 8f-peripheral snap portion, 9-slide key, 9a, 9b-contact portion, 10-silk spring, 10a-end, 11-lid, the 11a-baseplate part, 11b-peristome, 11c-hooking sheet.

Embodiment

Below, Fig. 1 to Fig. 5 represents embodiments of the present invention.Fig. 1 is the exploded perspective view of expression combined operation switch of the present invention; Fig. 2 is the vertical view of expression combined operation switch of the present invention; Fig. 3 is the cutaway view of the 3-3 line of Fig. 2; Fig. 4 is the cutaway view of 2 4-4 line; Fig. 5 is the vertical view of the housing of expression combined operation switch of the present invention.

In the drawings, housing 1 forms the casing shape of top opening by insulating material such as synthetic resin, has the incorporating section 1a of sub-circular, the incorporating section 1b of the squarish that links to each other with the end of this incorporating section 1a in opening.At the inner bottom surface substantial middle place of the incorporating section of above-mentioned sub-circular 1a, in the 1a of incorporating section, give prominence to having formed a circular axial region 1c.Again,, be splay tabular surface 1d, on its front end one side, formed the spring fastener 1e of the groove shape of a pair of opposite face at the relative face of the incorporating section of above-mentioned squarish 1b.On the side plate in the outside of the peristome that surrounds housing 1, a plurality of locking protrusion 1f have been formed again; On the bottom surface of housing 1, formed the protuberance 1g that is used for location such as e-machine circuit substrate again.

On the inner bottom surface of the inboard of above-mentioned the axial region 1c of above-mentioned incorporating section 1a, set a pair of pushing with fixed

contact

2a, 2b, this is pushed with fixed

contact

2a, 2b, constitute by the conductive metal plate, buried underground by integrated by inlaying methods such as shaping, its part sets around central portion and its to being approximately the C font, and keeps predetermined distance each other and outstanding formation.Again, in the lower end side of the side plate of a pair of opposite face of above-mentioned housing 1, extend be provided with a pair of from above-mentioned outside terminal 2c, the 2d that derives with

fixed contact

2a, 2b that push.

Again, on the inner bottom surface in the outside of above-mentioned the axial region 1c of above-mentioned incorporating section 1a, a plurality of

rotations contact template

3a, 3b, 3c have been set, this

rotation contact template

3a, 3b, 3c, constitute by the conductive metal plate equally, buried underground by integrated by inlaying methods such as shaping, its part is provided on the concentric circles, keeps fixing interval mutually and outstanding formation.In the lower end side of the side plate of a pair of opposite face of above-mentioned housing 1, extend and be provided with a plurality of

outside terminal

3d, 3e, 3f that derive with

contact template

3a, 3b, 3c from above-mentioned rotation again.

Again, on a pair of above-mentioned on the inner bottom surface that is equipped on above-mentioned incorporating section 1a pushed with fixed

contact

2a, 2b, set travelling contact 4, this travelling contact 4 is made of conductive metal sheets such as phosphor bronze or stainless steels, has the circular top part that can overturn.At this moment, the peripheral edge portion mounting of travelling contact 4 is pushed with on the fixed contact 2b in be provided in the above-mentioned of the outside with the C font, separates with above-mentioned pushing with fixed contact 2a subtend below the central top.

Again, a side on above-mentioned travelling contact 4, be equipped with functional unit 6, this functional unit 6 is made of insulating material such as synthetic resin, form circular tabular, and can be configured in the inboard of above-mentioned the axial region 1c of above-mentioned incorporating section 1a with pushing, can push above-mentioned travelling contact 4 and make its upset, described travelling contact 4 has and the above-mentioned turnover circular top part of pushing with fixed

contact

2a, 2b contact separation.On this functional unit 6, below central authorities, be provided with to push and use projection 6a, utilize this to push and push above-mentioned travelling contact 4 with projection 6a it is overturn.

Again, one distolateral by the elastomeric element 7 that constitutes with the interior helical spring that forms through roughly the same diameter with above-mentioned axial region, on the inner bottom surface of the inboard of above-mentioned the axial region 1c that card ends at above-mentioned incorporating section 1a, another of this elastomeric element 7 is distolateral to be docked with the following of peripheral end of aforesaid operations parts 6, and aforesaid operations parts 6 are suppressed upward.By the elastic force of the above-mentioned elastomeric element 7 that is made of helical spring, aforesaid operations parts 6 are remained on the axial region 1c abreast, and like this, the outer peripheral face of aforesaid operations parts 6 can be by the interior axial plane guiding of above-mentioned axial region 1c and can lifting.

Rotary body 8 is made of insulating material such as synthetic resin, the square piston part 8c that be provided with the bottom 8a of the approximate circular plate shape that has the 8b of wall portion on periphery, goes out from the distal process of this bottom 8a and from the cylindrical portion 8d of the outstanding hollow form that is provided with of upper face side of bottom 8a.Again, a side below rotary body 8 has kept being constituted and being had a pair of and above-mentioned rotation by the conductive metal plate carrying out the 9a of contact portion of sliding contact, the circular slide key 9 of 9b with

contact template

3a, 3b, 3c.

Above-mentioned rotary body 8, in above-mentioned incorporating section 1a, take in the bottom 8a of approximate circular plate shape, in above-mentioned incorporating section 1b, take in the piston part 8c of square shape, simultaneously, on the axial region 1c periphery of above-mentioned incorporating section 1a, rotatably supporting the cylindrical portion 8d of hollow, in the hollow bulb of the cylindrical portion 8d of this rotary body 8, with the state configuration exposed aforesaid operations parts 6 above.And, by the pressing operation of handling knob that the pressing operation not shown in the figures in the hollow bulb of the cylindrical portion 8d that is inserted in this rotary body 8 is used, be pressed above the aforesaid operations parts 6, be arranged on the following above-mentioned projection 6a that pushes usefulness of central authorities, push above-mentioned travelling contact 4 it is overturn.

Again, on the 8a of the bottom of above-mentioned rotary body 8 on the side, engaging has the silk spring 10 that is Ω (ohm) shape in the inboard of the 8b of wall portion, and be abutted against the inside portion of the 8b of wall portion of both ends 10a, the 10a of this spring 10 and above-mentioned piston part 8c, and its front end sets from the open end of the 8b of wall portion is outstanding.And, the cylindrical portion 8d of above-mentioned rotary body 8, be supported for by the axial region 1c of above-mentioned incorporating section 1a can rotate the time, both ends 10a, the 10a card of above-mentioned silk spring 10 end on a pair of above-mentioned spring fastener 1e, this a pair of spring fastener 1e, opposite face is arranged on the front of the incorporating section 1b of above-mentioned squarish.

When above-mentioned rotary body 8 was rotated operation, rotary body 8 arrived the center by the elastic returning of above-mentioned silk spring 10.Again, at this moment, above-mentioned rotary body 8, the 8b of end walls portion, the 8b by above-mentioned piston part 8 are abutted against with splayed tabular surface 1d, the 1d of above-mentioned incorporating section 1b opposite face respectively, are limited in being rotated action in certain anglec of rotation.

Again, in the hollow bulb of the cylindrical portion 8d of above-mentioned rotary body 8, be provided with a plurality of in all holding section 8e, the operation knob that all holding section 8e and the pressing operation not shown in the figures that is inserted are used in this fastens; Again,, be provided with a plurality of peripheral snap 8f of portion at the peripheral part of cylindrical portion 8d, the 8f of this peripheral snap portion, same with the operation knob used of chimeric rotary manipulation not shown in the figures fasten.By the operation knob that this pressing operation is used, aforesaid operations parts 6 are implemented pressing operation, and by the operation knob that rotary manipulation is used, above-mentioned rotary body 8 is implemented rotary manipulation.

Lid 11, be to carry out punching press warpage processing by metallic plate to form with writing board shape, be provided with central authorities have the writing board shape of peristome 11b greatly baseplate part 11a, be flexed into slightly a plurality of hooking sheet 11c at right angle from the downward quadrate part of periphery of this baseplate part 11a.And, this lid 11, be entrenched in the upper face side of above-mentioned housing 1 in the mode of the peristome that covers above-mentioned incorporating

section

1a, 1b, the cylindrical portion 8d of above-mentioned rotary body 8 is outstanding from above-mentioned peristome 11b, simultaneously, above-mentioned hooking sheet 11c and the above-mentioned locking protrusion 1f that is arranged on the side plate of above-mentioned housing 1 fasten, and are fixed together integratedly.

Below, the action of combination switch of the present invention with above-mentioned formation is described.

At first, if the operation knob that the pressing operation not shown in the figures in the hollow bulb of the cylindrical portion 8d that is inserted into above-mentioned rotary body 8 is used carries out pressing operation, then the top of aforesaid operations parts 6 is pressed by operation knob, the elastic force that this functional unit 6 is resisted elastomeric elements 7, its outer peripheral face are directed on the inner peripheral surface of above-mentioned axial region 1c and are pressed.At this moment, the above-mentioned elastomeric element 7 that constitutes by helical spring one distolateral, abut against below the peripheral end of functional unit 6 and suppressed upward, aforesaid operations parts 6, under stable status, by by downwards, be arranged on the upper face side central authorities of pushing the above-mentioned travelling contact 4 below being provided in projection 6a of pushing below the central authorities.

And, push by this, the upset of the circular top part of travelling contact 4, thus below the central top with below above-mentioned the pushing that set of subtend with fixed contact 2a contact, like this, push with between fixed contact 2a, the 2b, 4 formations conduct by travelling contact, and the switch that pressing operation is used becomes the state of connection.

If remove the pressing force of operation knob from this state, then aforesaid operations parts 6 arrive the top by the elastic returning of elastomeric element 7, follow this action, the circular top part of travelling contact 4, reply upward by the tilting force of self respectively, separate with above-mentioned pushing with fixed contact 2a below the central top of travelling contact 4, pressing operation becomes the state of disconnection with switch.

Below, if be embedded in the rotary manipulation that the operation knob of the rotation usefulness not shown in the figures on the peripheral part of cylindrical portion 8d of above-mentioned rotary body 8 carries out right rotation direction (clockwise direction), the elastic force that then above-mentioned rotary body 8 is resisted above-mentioned silk spring 10 rotates.At this moment, remain on a 9a of docking point portion, the 9b of above-mentioned slide key 9 of the following side of above-mentioned rotary body 8, with the contact template 3a of the above-mentioned rotation on the inner bottom surface that is provided in above-mentioned incorporating

section

1a, 3b, 3c sliding contact, in 9b of contact portion of slide key 9 and common rotation with contact template 3c often under the state of contact, the another one contact 9a of portion moves to 3b with contact template 3a from individual other rotation, switches the contact of rotary manipulation with switch.

And, above-mentioned rotary body 8, when reaching certain anglec of rotation, the 8b of wall portion of above-mentioned piston part 8c by being abutted against on the splayed tabular surface 1d with above-mentioned incorporating section 1b opposite face, limits the rotation of rotary body 8.

If remove the revolving force of operation knob from this state, then the aforesaid operations parts 6, and the elastic returning by above-mentioned silk spring 10 is to the center, thereupon, the another one contact 9a of portion of above-mentioned slide key 9 moves to 3a with contact template 3b from indivedual rotations, switches the contact of rotary manipulation with switch.

Again, the operation knob that rotary manipulation is used is when carrying out the rotary manipulation of anticlockwise direction (counterclockwise), because identical with above-mentioned action, so omit its explanation at this.

Structure according to the combined operation switch of the invention described above, aforesaid operations parts 6 are formed below central authorities, have the circular writing board shape of pushing with projection 6a, the inner peripheral surface guiding of the outer peripheral face that makes this functional unit 6 by above-mentioned axial region 1c can lifting, aforesaid operations parts 6, suppressed upward by elastomeric element 7, and, expose the hollow bulb that is disposed at rotary body 8 above the aforesaid operations parts 6, pressing operation by the operation knob not shown in the figures in the hollow bulb that is inserted into this rotary body 8, aforesaid operations parts 6 are pressed, above-mentioned pushing with projection 6a overturn travelling contact 4, under the bigger situation of operation knob that pressing operation is used, even when this operation knob enforcement end is pushed or is tiltedly pushed, because pushing with projection 6a of aforesaid operations parts 6 can guarantee to make above-mentioned travelling contact 4 to overturn, can carry out the contact between the stable contact.

Again, above-mentioned elastomeric element 7 is formed by helical spring, this helical spring one distolateral card ends on the inner bottom surface of the inboard of the above-mentioned axial region 1c of ending, and, another is distolateral to abut against below the peripheral end of aforesaid operations parts 6 and upsprings to press and state functional unit 6, by helical spring elastic force, aforesaid operations parts 6 are retained as parallel when pressing operation, even therefore the end takes place on operation knob pushes, press excursion such as tiltedly push, but because aforesaid operations parts 6 are held parallel by helical spring, so the pressing operation of operation knob can accurately be delivered on the aforesaid operations parts 6 on lossless ground.

Claims

1. a combined operation switch is provided with;

Housing, it has the incorporating section of top opening, and is formed with a circular axial region outstanding in this incorporating section;

Being arranged on a pair of on the inner bottom surface of described axial region inboard pushes with fixed contact and a plurality of with the rotation contact template on the circular-arc inner bottom surface that is arranged on described the axial region outside;

Functional unit, it can be configured in the inboard of described axial region with pushing, pushing when having with the described travelling contact of pushing with fixed contact contact separation and turnover circular top part, makes its upset;

The rotary body of hollow form, it is by described axial region support and can rotating, and is keeping the slide key that is slidingly connected with the contact template with described rotation,

Described combined operation switch is characterised in that,

Described functional unit formed below central authorities, have the circular writing board shape of pressing with projection; The outer peripheral face of described functional unit; Inner peripheral surface guiding by described axial region can lifting; This functional unit is suppressed upward by elastomeric element; And; Expose the hollow bulb that is disposed at described rotary body above this functional unit; Pressing operation by the operation knob in the hollow bulb that is inserted into described rotary body; Described functional unit is pressed; Described pressing with projection overturn described travelling contact

Described elastomeric element is formed by helical spring, this helical spring one distolateral card ends on the inner bottom surface of the inboard of described axial region, and be abutted against below the peripheral end of another distolateral and described functional unit, described functional unit is suppressed upward, by described helical spring elastic force, described functional unit is retained as parallel when being subjected to pressing operation.