CN101075504B - Rotating type electric component with push-button switch - Google Patents
Rotating type electric component with push-button switch Download PDFInfo
- Publication number
- CN101075504B CN101075504B CN2007101041174A CN200710104117A CN101075504B CN 101075504 B CN101075504 B CN 101075504B CN 2007101041174 A CN2007101041174 A CN 2007101041174A CN 200710104117 A CN200710104117 A CN 200710104117A CN 101075504 B CN101075504 B CN 101075504B
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- casing
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- parts
- bearings
- button switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/001—Thumb wheel switches
- H01H19/003—Thumb wheel switches having a pushbutton actuator
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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
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/058—Actuators to avoid tilting or skewing of contact area or actuator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/062—Damping vibrations
Landscapes
- Switches With Compound Operations (AREA)
- Adjustable Resistors (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention provides a rotation type electric part with button switch, which can increase the height and precision of the terminal of rotation type electric part side and the terminal of button switch side relative to print circuit board, therefore the good surface actual installation is realized. The prejection of a button contact box installed below goes through the abjunction part of the coder contact box and connects with the reference plate for box, therefore the height relative to print circuit board is set. Alternately, the coder contact box installed upside makes the integrative terminal extracting part go through the side face of the button contact box and extend to the underside of the button contact box, and the prejection contacts with the box using the reference plate, therefore the height relative to print circuit board is set. Thus the height and precision of the terminal of button contact box is free from effect of deviation in height of the coder contact box.
Description
Technical field
The present invention relates to a kind of by operating axis on axis direction shift action and as push-button switch performance function, and bring into play the rotary electrical unit that has push-button switch of function as pulse switch or variable impedance device by the spinning movement of operating axis.
Background technology
In the past, the various schemes (for example, with reference to patent documentation 1) that have the rotary electrical unit of push-button switch had been proposed.The rotary electrical unit that has push-button switch of record keeps rotary body 310 as shown in Figure 9 in the patent documentation 1 in the columnar receiving space that forms on matrix 300 is installed, and these rotary body 310 rotations freely.The bottom 300a that the leading section of the cylindrical portion 311 of rotary body 310 is inserted in the receiving space that matrix 300 is installed goes up in the circular open portion 301 that forms, and makes being fastened on the bottom 300a that matrix 300 is installed to radially extended blade of a sword portion 312 from the pars intermedia periphery of cylindrical portion 311.The leaf spring 320 that ring-type is set also is arranged on the flange portion 331 of the leading section formation of front panel 330 to clog the top opening of the receiving space that matrix 300 is installed on leaf spring 320, and leaf spring 320 and flange portion 331 are fixed on the installation matrix 300.On the other hand, inserted the end by the operating axis 340 of 332 supportings of bearing portion of front panel 330 at it cutting groove 341 is set, thereby form a pair of installation foot 342 that has springiness.These installation foot 342 insertions are ended along also blocking in the through hole 313 of the rotating shaft direction formation of rotary body 310.Like this, matrix 300 rotatably mounted operating axis 340 are installed relatively, can be supported this operating axis 340 movably along the axis direction straight line simultaneously.
In addition, install and fix contact case 350 in the back that matrix 300 is installed.The recess place that forms in installed surface one side of fixed contact case 350 is provided with fixed contact 351,352, the travelling contact 353 as circular metal plate that is formed by spring members in the upside setting of fixed contact 351,352.Travelling contact 353 forms convex to operating axis 340 1 sides, and from columned press-side 343 butts of upside and operating axis 340.
On the bottom 300a that matrix 300 is installed, bury a plurality of conductive plates 302 of making by metal sheet underground herein.The part of conductive plate 302 is exposed on the 300a of bottom, and a part 303 is outstanding to the outside from sidewall 300b in addition, the outside terminal 303 that the vertical bending of part that this is outstanding is used as extending downwards.On the other hand, in the back of the blade of a sword portion 312 of rotary body 310 sliding part of being made by metallic plate 314 is installed.Sliding part 314 with expose conductive plate 302 sliding contacts on the 300a of bottom and can constitute from the mode that terminal 303 reads pulse signal or variableimpedance detection signal.In addition, the electric conductor 354 that is embedded in the fixed contact case 350 is connected with fixed contact 352 conductings.The part of electric conductor 354 is outstanding to the outside from sidewall 350a, and the part bending vertically that this is outstanding is as the outside terminal 355 that extends downwards.If along axis direction pressing operation axle 340, then press-side 343 is pushed travelling contact 353, thereby travelling contact 353 is to fixed contact 351 1 side shiftings.If travelling contact 353 contacts with fixed contact 351, then fixed contact 351 and 352 conductings, thus obtain start signal from outside terminal 355.If remove pushing of operating axis 340, then owing to the springiness of travelling contact 353, operating axis 340 is pushed back, and fixed contact 351 and 352 becomes non-conduction.
When the rotary electrical unit that has push-button switch that will as above constitute is installed on the printed substrate, outside terminal 303 and 355 is inserted in the hole that the printed substrate side is provided with, and the terminal leading section that protrudes in the printed substrate back side is welded.
Patent documentation 1: the Japanese documentation spy opens flat 11-96855 communique
But,, produce following problem in that the above-mentioned relative printed substrate of the rotary electrical unit that has push-button switch is in the past carried out under the situation of mounted on surface.Promptly, in order to carry out mounted on surface, the outside terminal 303 that matrix 300 sides are installed is flatly bent at the lower position of the fixed contact case 350 that becomes the substrate installation site, formation can be carried out the shape of mounted on surface, similarly, the outside terminal 355 of fixed contact case 350 is flatly bent at the lower position of the fixed contact case 350 that becomes the substrate installation site, and formation can be carried out the shape of mounted on surface.Then, the outside terminal 303 and the outside terminal 355 that will form surface-mountable shape at the lower position of fixed contact case 350 is weldingly fixed on the printed substrate.Therefore,, worsen the problem when then producing mounted on surface such as the relative printed substrate out of plumb of operating axis setting with respect to the flatness of printed substrate if the height dimension of outside terminal 303 and 355 staggers.
But, because the outside terminal 355 of fixed contact case 350 is that benchmark is determined height and position with the rear surface that matrix 300 is installed, therefore, for outside terminal 355, determine size with the shape that contains the scale error that matrix 300 and fixed contact case 350 these two parts are installed, thereby the outside terminal 355 of fixed contact case 350 can not be realized enough height-precisions.
Summary of the invention
In view of described problem, the object of the present invention is to provide the height-precision of the terminal of a kind of terminal that can improve rotation electric component side and push-button switch side, thereby can realize the rotary electrical unit that has push-button switch that surface of good is installed.
The rotary electrical unit that has push-button switch of the present invention is characterised in that to possess:
Operating axis;
Parts of bearings, it supports described operating axis, and this operating axis can be rotated and pressing operation;
Rotating parts, it is fastened on the described operating axis with coaxial state;
Self-cleaning contact, it follows the rotation of described operating axis, with described rotating parts one rotation;
First casing, it is formed with the conductive pattern of described self-cleaning contact sliding contact, and accommodates at least a portion of the described rotating parts of the described self-cleaning contact of configuration;
Second casing, it is configured in rotating parts described in described first casing and is accommodated the rear portion of the opposition side of side, and be provided with the travelling contact that under the pressing operation of described operating axis, is pressed and with the fixed contact of this travelling contact arranged opposite;
The first terminal that mounted on surface is used, itself and described conductive pattern conducting, and derive to the mounted on surface position from the casing outer edge of described first casing; And
Second terminal that mounted on surface is used, itself and described fixed contact conducting, and derive from the casing outer edge of described second casing to the mounted on surface position, the casing outer edge of described second casing is positioned at the opposition side of the casing outer edge of described first casing that described the first terminal derives to described mounted on surface position across the axis of described operating axis;
Wherein, described first casing is derived side at the first terminal, the part of this casing and described parts of bearings butt, and described second casing is derived side, the part of this casing and described parts of bearings butt at second terminal.
According to this structure, because first casing is derived side at the first terminal, the predetermined surface butt of the part of casing and described parts of bearings, described second casing is derived side at second terminal, the predetermined surface butt of the part of this casing and described parts of bearings, so, if the size of the short transverse that first casing and the first terminal are formed is set at same size with the size of the short transverse of second casing and the formation of second terminal, then the first terminal and second terminal can be benchmark with the parts of bearings as same parts, determine size by parts, thereby can improve the height-precision of terminal.
In addition, the present invention is in the above-mentioned rotary electrical unit that has a push-button switch, described second casing have from casing outer edge that described second terminal is derived side to described parts of bearings side extend and with the protuberance of this parts of bearings butt, the casing outer edge that described first casing is derived side at described the first terminal has the terminal leading-out portion that described the first terminal is exported to the mounted on surface position, and forms the avoidance portion that avoids with the interference of described protuberance in the position that is positioned at described the first terminal across the axis of described operating axis and derives the opposition side of side.
Constitute thus, the protuberance that extend to the parts of bearings side the casing outer edge from second terminal derivation side of second casing utilizes the avoidance portion of first casing not have the ground of interference and parts of bearings butt, thereby carrying out size determines, on the other hand, the first terminal casing outer edge of being derived side from the first terminal of first casing exports to the mounted on surface position by the terminal leading-out portion.
In the rotary electrical unit that has push-button switch of the invention described above, preferred described protuberance is across described second terminal and opposed position is provided with a pair ofly at least, and the corresponding described protuberance of described avoidance portion is provided with a pair of at least.Thus, because be positioned, so can improve the height-precision of second terminal in the both sides of second terminal.
In the rotary electrical unit that has push-button switch of the invention described above, can constitute as follows, that is: described parts of bearings possesses mounting panel, this mounting panel has the installation wrist of described first casing of clamping and described second casing, described second casing in its back and the zone suitable with the bending position of described installation wrist form recess, the front of described second casing and described first casing are opposed, the described back of described second casing is positioned at the opposition side of described front, described installation wrist by bending and fold in the described recess, and makes by the described installation wrist of bending outstanding unlike described the first terminal and described second terminal on the axis direction of described operating axis at the back location of described second casing.Thus, mounting panel can suppress floating of terminal, thereby securely grips each parts, therefore, can eliminate becoming flexible between each parts, keeps the height-precision of terminal.
In the rotary electrical unit that has push-button switch of the invention described above, can constitute as follows, that is: described mounting panel has: to the projection of printed substrate location usefulness; And reinforcement feature, its than the position of described the first terminal and more close described second casing of described second terminal by bending to the direction vertical with described axis direction.Thus, when can easily locate, can improve installation strength by reinforcement feature for printed substrate.
In the rotary electrical unit that has push-button switch of the invention described above, preferred described parts of bearings with described first casing and described second casing part of butt respectively, form for the vertical tabular surface of described axis direction.Thus, be the benchmark precision of sizing really by bearing the part of each casing by tabular surface, can improving with the parts of bearings.
The invention effect
According to the present invention, can improve the precision of height dimension of the terminal of the terminal of rotary electrical unit and push-button switch, thereby can realize installing to the surface of good of printed substrate.In addition, can make operating axis (axis) good with respect to the angle precision of printed substrate.
Description of drawings
Fig. 1 is the described profile that has the rotary electrical unit of push-button switch of a kind of execution mode;
Fig. 2 is the exploded perspective view of the rotary electrical unit that has push-button switch of above-mentioned execution mode;
Fig. 3 is a stereogram of observing parts of bearings from the coder contact box side;
Fig. 4 is a stereogram of observing the state of coder contact box from finger contact case side;
Fig. 5 is a stereogram of observing the state of finger contact case from the rear side of the opposition side of coder contact box side;
Fig. 6 is at the upward view that the rotary electrical unit that has push-button switch under the state of mounting panel is installed;
Fig. 7 omits profile operating axis, that watch from A-A arrow line shown in Figure 6;
Fig. 8 is the profile that the B-B arrow line from Fig. 6 of presentation code device contact case and finger contact case is watched;
Fig. 9 is the profile of the rotary electrical unit that has push-button switch in the past.
Among the figure, the 1-operating axis; The 1a-installation portion; 1b-axle support; 1c-inserts the end; The 1d-end difference; The 2-parts of bearings; The 3-pressing component; The 4-rotating parts; 5-slide unit (self-cleaning contact); The 6-leaf spring; The 6c-protuberance; 7-axle retainer; 8-coder contact box (first casing); 10-finger contact case (second casing); 9a, 9b-travelling contact; The 11-mounting panel; 21-barrel bearing portion; 22-casing datum plate; 22a～22d-recess; The 23-through hole; The 24-inwall; The 25-circular depressions; 26, the fixing protuberance of using of 27-casing; 28a, the fixing protuberance of using of 28b-spring; The 31-protuberance; 32a, 32b-convex body; The 33-hole; The 34-through hole; The 35-cylindrical portion; The 36-jog; 37-ratchet holding section; The 38-periphery wall; The 39-space; The 41-sliding part; The 51-through hole; The circular bottom of 52-; The 53-inwall; 54a, 54b-protuberance; 55a, 55b-hole; 56a, 56b-cut portion (avoidance portion); 57a, the fixing protuberance of using of 57b-casing; 58-terminal taking-up portion (terminal leading-out portion); The 58a-end face; The 59-conductive pattern; 59a～59c-terminal (the first terminal); The 61-circular depressions; 62,63-fixed contact; 64a, 64b-hole; 65a, 65b-protuberance; 66a, 66b-hole; 67-terminal taking-up portion; The 67a-end face; 68a, 68b-terminal (second terminal); 71a～71d-installation sheet (projection); 72-circular open portion; 73a～73d-installs wrist; 74a, 74b-reinforcement feature; 81a～81d-recess.
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described in detail.In the present embodiment, be example as rotary electrical unit with the encoder switch, but also be suitable for as the variable impedance device of one of rotary electrical unit.
Fig. 1 is the described profiles that have the rotary electrical unit of push-button switch of one embodiment of the present invention, and Fig. 2 is the exploded perspective view of the rotary electrical unit that has push-button switch of present embodiment.Operating axis 1 is by parts of bearings 2 supporting, and this operating axis 1 is rotatable and can carry out pressing operation, and the end of the outstanding side of parts of bearings 2 (not from) is mounted with pressing component 3 in an end of operating axis 1.At the fixing slide unit of making by the metallic plate of ring-type 5 in the back of rotating parts 4 as self-cleaning contact, this rotating parts 4 is installed with following state, its peripheral part with respect to pressing component 3 can slide on axis S direction, but is that the spinning movement at center is restricted with axis S.Thus, with respect to the axis S with operating axis 1 is the spinning movement of rotation (pivot), and rotating parts 4 rotates integratedly, on the other hand, with respect to moving on the axis S of operating axis 1 direction, operating axis 1 and pressing component 3 relatively move on axis S direction with respect to rotating parts 4.
The fixing leaf spring 6 of ring-type below parts of bearings 2, the jog arranged opposite described later of this leaf spring 6 and rotating parts 4.A retainer 7 is installed on operating axis 1.In the back of parts of bearings 2 coder contact box 8 that becomes first casing is installed, in coder contact box 8, the rear portion side that keeps rotating parts 4 is accommodated in rotation freely.Two travelling contact 9a, 9b that discoideus (dome-shaped) and the central portion that is formed by metal leaf spring expand are arranged on two overlapping states and become on the finger contact of second casing case 10.And overlapping two travelling contacts are because want to increase the operational forces of push-button switch, even travelling contact a slice also has no relations.Finger contact case 10 is arranged on the back of coder contact box 8, but the direct butt in back of its a part of and parts of bearings 2 install and fix.So, in the present embodiment, coder contact box 8 and finger contact case 10 respectively with the direct butt in back of parts of bearings 2 install and fix.The overall dimension of parts of bearings 2, coder contact box 8 and finger contact case 10 becomes roughly the same rectangle, passes through mounting panel 11 integrated formations with the state of accommodating rotating parts 4 in the centre.
Next, the formation to the each several part of the above-mentioned rotary electrical unit that has a push-button switch is described in detail.
As shown in Figures 1 and 2, operating axis 1 has: the installation portion 1a that operation knob is installed; Diameter is less than installation portion 1a and by the axle support 1b of parts of bearings 2 rotations supporting freely; And with the non-columned insertion end 1c of the integrated formation in an end of axle support 1b.Limit by upper surface butt and to be pressed into the mobile of direction because of the different end difference 1d that form of the diameter of installation portion 1a and axle support 1b and parts of bearings 2.
Fig. 3 is the stereogram from coder contact box 8 unilateral observation parts of bearings 2.Parts of bearings 2 comprises: form barrel bearing cylindraceous portion 21 and form with the integrally formed rectangular casing of an end face of barrel bearing portion 21 with datum plate 22.Casing is set to the roughly the same length in one side with coder contact box 8 and finger contact case 10 with the length on one side of datum plate 22.As shown in Figure 1, barrel bearing portion 21 is formed with through hole 23, and the diameter of this through hole 23 is suitable for around the periphery rotation of the axle support 1b of operating axis 1 and moves freely at axis direction.Inside in barrel bearing portion 21 utilizes inwall 24 to form columned receiving space, and this columned diameter is suitable for rotating the periphery of supporting rotating component 4 freely.In addition, as shown in Figure 3, casing forms the regulation shape with datum plate 22 on four angles, the bottom surface forms the recess 22a～22d that is made of the tabular surface vertical with axis S, is provided with the fixing protuberance 26,27 of using of casing at two the recess 22b, the 22c place that are positioned on the diagonal.In addition, casing forms the circular depressions 25 of its diameter than the slightly larger in diameter of the large-diameter portion of rotating parts 4 with datum plate 22 at the plate central portion.Central authorities in circular depressions 25 form the opening that is communicated with through hole 23, and be provided with the spring that is used for fixing leaf spring 6 at two places of clamping this opening fixing with protuberance 28a, 28b.In the present embodiment, the configuration of rectangular casing below datum plate 22 is to be the point symmetry at center with axis S, and therefore, also can make coder contact box 8 and finger contact case 10 is that center Rotate 180 degree carries out reverse installation with axis S.Can reverse installation can improve installation by this.
The hole 6a, the 6b place that are provided with on leaf spring 6 as shown in Figure 2 come leaf spring 6 is positioned with protuberance 28a, 28b by the spring that inserts circular depressions 25 is fixing, are fixed in the back (circular depressions 25) of parts of bearings 2 simultaneously.The leaf spring 6 of ring-type forms slightly shape to rotating parts 4 side bendings along center line, forms to the side-prominent protuberance 6c of rotating parts 4 in the part of bending.
As shown in Figures 1 and 2, pressing component 3 forms the cylindrical body at the end, and the leading section in the bottom side is provided with the protuberance 31 that contacts with travelling contact 9a, 9b point.On the outer peripheral face of pressing component 3, on above-below direction, form a pair of convex body 32a, 32b.Pressing component 3 can utilize convex body 32a, 32b to embed rotating parts 4, make this pressing component 3 with respect to rotating parts 4 on the rotating shaft direction slidably, but spinning movement is limited.Form the hole 33 of the insertion end 1c of push operation axle 1 at the central part of pressing component 3.In addition, rotating parts 4 has: cylindrical portion 35, and it is formed with the through hole 34 chimeric with the outer peripheral face of pressing component 3; Ratchet holding section 37, an end of itself and cylindrical portion 35 is integrally formed, and is formed with jog 36 radially.The diameter of cylindrical portion 35 is configured to non-loosening and rotatably embeds the inwall 24 of the columned receiving space of formation of parts of bearings 2.Constitute ratchet mechanism by ratchet holding section 37 and leaf spring 6, along with the spinning movement of rotating parts 4, the protuberance 6c of above-mentioned leaf spring 6 slides when engaging with jog 36.In addition, periphery wall 38 extends downwards below rotating parts 4, thus by this periphery wall 38 guarantee and the bottom surface of coder contact box 8 between space 39.Utilize this space 39, slide unit 5 by riveted and fixed below rotating parts 4.Slide unit 5 shown in this example has three sliding parts 41.Sliding part 41 and conductive pattern 59 sliding contacts that constitute by metallic plate that on the bottom surface of coder contact box 8 described later, form.
Fig. 2 represents to observe from parts of bearings 2 sides the state of coder contact box 8, and Fig. 4 represents to observe from finger contact case 10 sides the stereogram of the state of coder contact box 8.With reference to Fig. 2 the formation of the upper face side of coder contact box 8 is described.Coder contact box 8 forms the through hole 51 of inserting logical pressing component 3 in central authorities.Form the bottom 52 on every side that surrounds through hole 51 circularly, and on this circular bottom 52, form above-mentioned conductive pattern 59.Form the inwall 53 that extends vertically upward by bottom 52 around the circular bottom 52.The height setting of inwall 53 is roughly the same with the thickness as the ratchet holding section 37 of the large-diameter portion of rotating parts 4, so that be held freely in the rotating parts 4 that is provided with on the circular bottom 52 non-loosening and rotation on axis S direction.
With reference to Fig. 4 the formation of the following side of coder contact box 8 is described.
It is fixing with protuberance 57a, 57b to be provided with a pair of casing of clamping through hole 51 below coder contact box 8.The casing outer edge 8a that is highlighted the coder contact box 8 that the 54a of portion, 54b clamp is provided with the terminal taking-up portion 58 as the terminal leading-out portion that vertically extends to downside.As shown in Figure 1, each terminal 59a～59c that becomes the first terminal of inside by terminal taking-up portion 58 is taken out to the outside by the end face 58a from the rear side (rear side) of the terminal taking-up portion 58 that becomes the mounted on surface position, and turns back upward at the terminal of the end face 58a lateral surface along terminal taking-up portion 58 along end face 58a bending flatly the time.The part parallel with the end face 58a of terminal taking-up portion 58 becomes the contact-making surface that contacts with printed substrate.Each terminal 59a～59c and conductive pattern 59 conductings that on the bottom 52 of coder contact box 8, form.
Fig. 2 represents that Fig. 5 represents to observe from rear side the stereogram of the state of finger contact case 10 from the state of the finger contact case 10 of parts of bearings 2 sides (front face side) observation.With reference to Fig. 2 the formation of the upper face side of finger contact case 10 is described.On finger contact case 10, be formed with the circular depressions 61 that travelling contact 9a, 9b are set.The central portion of circular depressions 61 and circumference are provided with the fixed contact 62,63 that is formed by metallic plate.By travelling contact 9a, 9b are arranged in the circular depressions 61, as shown in Figure 1, the circumference of travelling contact 9a, 9b contacts with fixed contact 63 conductings.The top of finger contact case 10 is formed with pair of holes 64a, 64b across circular depressions 61.Casings below the coder contact box 8 are fixing to be pressed into this hole 64a, 64b with protuberance 57b, 57a with being arranged on, thereby coder contact box 8 and finger contact case 10 are positioned fixing.
In addition, finger contact case 10 is rectangle roughly, form the wherein casing edge part on one side, be formed with a pair of protuberance 65a, the 65b of side's extension vertically upward at interval on the two ends of the casing outer edge 10a of the opposition side of the derivation side of terminal 59a～59c of axis S.Protuberance 65a, 65b with coder contact box 8 combination the time, the side by cutting the 56a of portion, 56b and with the casing of parts of bearings 2 following recess 22a, 22c butt with datum plate 22.The shape of the upper surface of protuberance 65a, 65b is consistent with the flat shape of recess 22a, 22c.Upper surface at protuberance 65a, 65b forms hole 66a, 66b.When the casing of the protuberance 65a, the 65b that make finger contact case 10 and parts of bearings 2 is with the recess 22a of datum plate 22,22c butt, fixing by being pressed into protuberance 27 with the casing of the hole 66b corresponding concave part 22c of protuberance 65b, finger contact case 10 is positioned, simultaneously the casing of rigid bearing parts 2 datum plate 22.
With reference to Fig. 5 the formation of the following side of finger contact case 10 is described.
On the 10a of the casing outer edge of finger contact case 10, be provided with terminal taking-up portion 67.When being installed to finger contact case 10 on the coder contact box 8, terminal taking-up portion 67 is set on the casing outer edge with the opposition side of the interval axis S of the terminal taking-up portion 58 of coder contact box 8.Each terminal 68a, 68b of inside by terminal taking-up portion 67 outwards taken out by the end face 67a from the rear side (rear side) of the terminal taking-up portion 67 that becomes the mounted on surface position, in the time of along the horizontal bending of end face 67a, turn back upward along terminal taking-up portion 67 lateral surfaces in the end of end face 67a.Terminal 68a, the 68b part parallel with the end face 67a of terminal taking-up portion 67 becomes the contact-making surface that contacts with printed substrate.Each terminal 68a, 68b and fixed contact 62,63 conductings that form at circular depressions 61 places of finger contact case 10.And, be provided with the projection 69,71 of the location usefulness in the hole of inserting printed substrate in the back of finger contact case 10.
As shown in Figure 2, mounting panel 11 has downwards four installation sheet 71a～71d as the projection of location usefulness that extend, and have at central portion bigger than the diameter of the barrel bearing portion 21 of parts of bearings 2, and than casing with the short peristome 72 in one side of datum plate 22.Wrist 73a～73d is installed to be extended downwards from opposed two sides of mounting panel 11.In addition, forming reinforcement feature 74a, the 74b that is provided with bending laterally on each side that wrist 73a～73d is installed from its bottom.In peristome 72, barrel bearing portion 21 by parts of bearings 2, mounting panel 11 is fastened on top (front) of casing with datum plate 22, under the state of the back that coder contact box 8 and finger contact case 10 is installed in parts of bearings 2, make wrist 73a～73d side (back side) bending below finger contact case 10 is installed, thus whole integrated.So, by parts of bearings 2, coder contact box 8 and finger contact case 10 firmly being sandwiched up and down, can eliminate becoming flexible between parts, thereby can improve the precision of short transverse (axis S direction) by mounting panel 11.In addition, by reinforcement feature 74a, 74b are set, can improve the installation strength when on printed substrate, carrying out mounted on surface.
Fig. 6 is the upward view of having installed under mounting panel 11 states (ground plan).Wrist 73a～73d is installed to the back of finger contact case 10 lateral buckling, and falls into each corresponding concave part 81a～81d.By will being installed, wrist 73a～73d falls into recess 81a～81d, installation wrist 73a～73d to the back of finger contact case 10 lateral buckling more leans on rear side than each terminal 59a～59c and 68a, 68b in axis S direction, that is it is side-prominent, to make it not have the printed substrate of rotary electrical unit of push-button switch to installation.Similarly, the height to reinforcement feature 74a, the 74b of the direction vertical with axis S bending also is set to more side-prominent to printed substrate unlike each terminal 59a～59c and 68a, 68b.Thus, because it is side-prominent to printed substrate one unlike each terminal 59a～59c and 68a, 68b that wrist 73a～73d and reinforcement feature 74a, 74b are installed, therefore, can prevent to install wrist 73a～73d and reinforcement feature 74a, 74b than each terminal 59a～59c and the more first printed substrate that contacts as the installation substrate of 68a, 68b.
Fig. 7 is the profile that the A-A arrow line from shown in Figure 6 of omission operating axis 1 is watched, and Fig. 8 is the profile that the B-B arrow line from Fig. 6 of presentation code device contact case 8 and finger contact case 10 is watched.As shown in Figure 7, the protuberance 65b of finger contact case 10 is by the side of cutting the 56b of portion of coder contact box 8, and with the casing of parts of bearings 2 recess 22c butt with datum plate 22.Though not expression among Fig. 7, the opposing party's of finger contact case 10 protuberance 65a is the side of cutting the 56a of portion by coder contact box 8 also, and with the recess 22a butt of casing with datum plate 22.On the other hand, along the terminal 68b (68a) of the horizontal bending of end face 67a of the terminal protuberance 67 that is wholely set with the casing edge part 10a of finger contact case 10 when carrying out mounted on surface and the printed substrate face join.
Thereby finger contact case 10 can be a benchmark with datum plate 22 ( recess 22a, 22c) with the casing of the parts of bearings 2 of the leading section butt of its protuberance 65a, 65b, determines size by parts (finger contact case).About terminal 68a, the 68b of finger contact case 10 because can determine size by parts, therefore with in the past determine that by two parts the situation of size compares, can improve height-precision.In addition, in finger contact case 10 since the derivation side of terminal 68a, 68b be same casing outer edge 10a to casing with the butt side of datum plate 22 ( recess 22a, 22c), therefore, definite easily size and can further improve the height-precision of terminal.And, make in the both sides of terminal 68a, 68b casing with a pair of protuberance 65a, 65b that configuration state is provided with and parts of bearings 2 with datum plate 22 ( recess 22a, 22c) butt, therefore can not have obliquely, contact abreast, thereby can improve precision.In addition, the bearing surface of protuberance 65a, 65b butt ( recess 22a, 22c) is vertical tabular surface for butt direction (axis S direction), therefore, compares with the situation of inclination butt and can realize high positional precision.
In addition, as shown in Figure 7, the protuberance 54b of coder contact box 8 and the casing recess 22d bottom surface butt as tabular surface of datum plate 22.Though not expression among Fig. 7, the opposing party's of coder contact box 8 protuberance 54a also uses the recess 22b bottom surface butt as tabular surface of datum plate 22 with casing.On the other hand, the terminal taking-up portion that is wholely set with casing outer edge 8a (Fig. 2) of coder contact box 8 58 extends downwards along the side of finger contact case 10, and end face 58a is positioned at the mounted on surface position.As shown in Figure 8, from the end face 58a of the terminal taking-up portion 58 of coder contact box 8 derive and along the terminal 59c (59b, 59a) of this end face 58a level bending when carrying out mounted on surface and the printed substrate face join.
Thereby coder contact box 8 can be a benchmark with datum plate 22 ( recess 22b, 22d) with the casing of the parts of bearings 2 of the leading section butt of protuberance 54a, 54b, determines size by parts (coder contact box 8).
As shown in Figure 5, the thickness regulation of terminal 68a, the 68b that only makes to the distance W 1 the bottom of the terminal 68a, the 68b that become the mounted on surface position with the front end of protuberance 65a, the 65b of the butt position of datum plate 22 to casing from the conduct of finger contact case 10 by the thickness of finger contact case 10 with by metallic plate.In addition, as shown in Figure 4, the thickness regulation of terminal 59a～59c from the front end of protuberance 54a, the 54b of the butt position of datum plate 22 to casing that only make to the distance W 2 between the bottom of the terminal 59a～59c that becomes the mounted on surface position with of the conduct of coder contact box 8 by the thickness of coder contact box 8 with by metallic plate.For making above-mentioned W1 and W2 have same distance, by comprising the thickness that protuberance 54a, 54b, 65a, 65b set coder contact box 8 and finger contact case 10, the height with respect to as the mounted on surface position of printed substrate face of the terminal 59a～59c that can make coder contact box 8 and terminal 68a, the 68b of finger contact case 10 is consistent.
So, in the present embodiment, at the finger contact case 10 of downside configuration its protuberance 65a, 65b are cut the 56a of portion, 56b by coder contact box 8, and contact with datum plate 22 with casing, thereby set height with respect to the printed substrate face, on the other hand the coder contact box 8 of upside configuration with incorporate terminal taking-up portion 58 by finger contact case 10 the side and extend to the lower position of finger contact case 10 till, and protuberance 54a, 54b are contacted with datum plate 22 with casing, thereby setting is with respect to the height of printed substrate face.Thus, even coder contact box 8 and finger contact case 10 stromatolithic structures, because the size W2 of the short transverse that will be formed by coder contact box 8 and its terminal 59a～59c and the size W1 of the short transverse that is formed by finger contact case 10 and its terminal 68a, 68b are set at same size, simultaneously with the same butt of coder contact box 8 and finger contact case 10 with parts of bearings 2, so terminal 59a～59c, the 68a of two casings 8,10,68b are benchmark with same parts, thereby can determine size by parts, and can improve the height dimension precision.In addition, by will be with respect to the angle adjustment of the operating axis 1 of printed substrate face to desired angle such as plumbnesss, the rotary electrical unit that can precision will have push-button switch carries out mounted on surface goodly on printed substrate.
And, in above-mentioned present embodiment, used dome-type metal leaf spring to be illustrated as travelling contact, but the shape of travelling contact or material are not limited to this.That is, also can use metallic plate cut to erect the travelling contact of formation or be provided with conducting film below the top of dome-type elastomeric element (as silicon rubber) and be used as travelling contact.
Industrial applicibility
The present invention has as the function of press button with as the function of rotary electrical unit, applicable to the rotary electrical unit with press button of installing at the printed substrate upper surface.
Claims (6)
1. rotary electrical unit that has push-button switch is characterized in that possessing:
Operating axis;
Parts of bearings, it supports described operating axis, and this operating axis can be rotated and pressing operation;
Rotating parts, it is fastened on the described operating axis with coaxial state;
Self-cleaning contact, it follows the rotation of described operating axis, with described rotating parts one rotation;
First casing, it is formed with the conductive pattern of described self-cleaning contact sliding contact, and accommodates at least a portion of the described rotating parts of the described self-cleaning contact of configuration;
Second casing, it is configured in described first casing and accommodates the rear surface of a side opposition side of described rotating parts, and be provided with the travelling contact that under the pressing operation of described operating axis, is pressed and with the fixed contact of this travelling contact arranged opposite;
The first terminal that mounted on surface is used, itself and described conductive pattern conducting, and derive to the mounted on surface position from the casing outer edge of described first casing; And
Second terminal that mounted on surface is used, itself and described fixed contact conducting, and derive from the casing outer edge of described second casing to the mounted on surface position, the casing outer edge of described second casing is positioned at the opposition side of the casing outer edge of described first casing that described the first terminal derives to described mounted on surface position across the axis of described operating axis;
Wherein, described first casing is derived side at the first terminal, the part of this casing and described parts of bearings butt, and described second casing is derived side, the part of this casing and described parts of bearings butt at second terminal.
2. the rotary electrical unit that has push-button switch as claimed in claim 1 is characterized in that,
Described second casing have from casing outer edge that described second terminal is derived side to described parts of bearings side extend and with the protuberance of this parts of bearings butt,
The casing outer edge that described first casing is derived side at described the first terminal has the terminal leading-out portion that described the first terminal is exported to the mounted on surface position, and forms the avoidance portion that avoids with the interference of described protuberance in the position that is positioned at described the first terminal across the axis of described operating axis and derives the opposition side of side.
3. the rotary electrical unit that has push-button switch as claimed in claim 2 is characterized in that,
Described protuberance is across described second terminal and opposed position is provided with a pair ofly at least, and the corresponding described protuberance of described avoidance portion is provided with a pair of at least.
4. the rotary electrical unit that has push-button switch as claimed in claim 1 is characterized in that,
Described parts of bearings possesses mounting panel, and this mounting panel has the installation wrist of described first casing of clamping and described second casing,
Described second casing in its back and the zone suitable with the bending position of described installation wrist form recess, the front of described second casing and described first casing are opposed, the described back of described second casing is positioned at the opposition side of described front,
Described installation wrist by bending and fold in the described recess, and makes by the described installation wrist of bending outstanding unlike described the first terminal and described second terminal on the axis direction of described operating axis at the back location of described second casing.
5. the rotary electrical unit that has push-button switch as claimed in claim 4 is characterized in that, described mounting panel has:
Projection to printed substrate location usefulness; With
Reinforcement feature, its than the position of described the first terminal and more close described second casing of described second terminal by bending to the direction vertical with described axis direction.
6. as each described rotary electrical unit that has push-button switch in the claim 1～5, it is characterized in that,
Described parts of bearings with described first casing and described second casing part of butt respectively, form the tabular surface vertical with respect to described axis direction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006139180A JP4891654B2 (en) | 2006-05-18 | 2006-05-18 | Rotating electrical parts with push switch |
| JP2006139180 | 2006-05-18 | ||
| JP2006-139180 | 2006-05-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101075504A CN101075504A (en) | 2007-11-21 |
| CN101075504B true CN101075504B (en) | 2010-06-09 |
Family
ID=38844140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101041174A Active CN101075504B (en) | 2006-05-18 | 2007-05-16 | Rotating type electric component with push-button switch |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4891654B2 (en) |
| KR (1) | KR100899312B1 (en) |
| CN (1) | CN101075504B (en) |
| TW (1) | TW200809894A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010010202A (en) * | 2008-06-24 | 2010-01-14 | Alps Electric Co Ltd | Rotary operation electric component |
| JP5147781B2 (en) * | 2009-05-13 | 2013-02-20 | アルプス電気株式会社 | Rotating electrical parts |
| CN102522246B (en) * | 2011-12-30 | 2015-03-04 | 余正明 | Vehicular audio encoder |
| CN104362023B (en) * | 2014-10-14 | 2016-06-29 | 东莞高仪电子科技有限公司 | There is the encoder of on-off switch function |
| CN106766513B (en) * | 2016-12-03 | 2019-03-26 | 广东奥马冰箱有限公司 | Air duct construction of switch |
| CN107104016B (en) * | 2017-06-16 | 2019-11-12 | 东莞福哥电子有限公司 | A kind of high-precision 3D rocker actuator |
| JP2021138253A (en) * | 2020-03-04 | 2021-09-16 | 株式会社東海理化電機製作所 | Switch device |
| CN112635228B (en) * | 2020-12-16 | 2022-09-23 | 歌尔光学科技有限公司 | Ratchet differential key mechanism and electronic equipment with same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212447A (en) * | 1997-09-22 | 1999-03-31 | 阿尔卑斯电气株式会社 | Rotary electrical unit with push type switch |
| CN2390273Y (en) * | 1999-09-07 | 2000-08-02 | 崧腾企业股份有限公司 | Improved structure of rotary coder |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59125806A (en) * | 1983-01-07 | 1984-07-20 | 井関農機株式会社 | Transplanter |
| JPH08167348A (en) | 1994-12-14 | 1996-06-25 | Matsushita Electric Ind Co Ltd | Rotary operation type electronic part |
| JP2001043778A (en) * | 1999-08-02 | 2001-02-16 | Smk Corp | Rotary encoder switch having push switch |
| JP2002373553A (en) * | 2001-06-15 | 2002-12-26 | Alps Electric Co Ltd | Rotary surface-mount electric parts |
| JP4136625B2 (en) * | 2002-11-27 | 2008-08-20 | 帝国通信工業株式会社 | Rotating electronic components |
-
2006
- 2006-05-18 JP JP2006139180A patent/JP4891654B2/en active Active
-
2007
- 2007-04-24 TW TW096114459A patent/TW200809894A/en unknown
- 2007-05-16 KR KR1020070047463A patent/KR100899312B1/en active IP Right Grant
- 2007-05-16 CN CN2007101041174A patent/CN101075504B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212447A (en) * | 1997-09-22 | 1999-03-31 | 阿尔卑斯电气株式会社 | Rotary electrical unit with push type switch |
| CN2390273Y (en) * | 1999-09-07 | 2000-08-02 | 崧腾企业股份有限公司 | Improved structure of rotary coder |
Non-Patent Citations (1)
| Title |
|---|
| JP平11-135307A 1999.05.21 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200809894A (en) | 2008-02-16 |
| KR20070112003A (en) | 2007-11-22 |
| KR100899312B1 (en) | 2009-05-27 |
| JP2007311556A (en) | 2007-11-29 |
| JP4891654B2 (en) | 2012-03-07 |
| TWI312525B (en) | 2009-07-21 |
| CN101075504A (en) | 2007-11-21 |
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Address after: Tokyo, Japan, Japan Patentee after: Alpine Alpine Company Address before: Tokyo, Japan, Japan Patentee before: Alps Electric Co., Ltd. |
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