CN1161810C - Rotary type encoder - Google Patents
Rotary type encoder Download PDFInfo
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- CN1161810C CN1161810C CNB001341596A CN00134159A CN1161810C CN 1161810 C CN1161810 C CN 1161810C CN B001341596 A CNB001341596 A CN B001341596A CN 00134159 A CN00134159 A CN 00134159A CN 1161810 C CN1161810 C CN 1161810C
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- rotary body
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Abstract
The present invention provides a rotation type encoder including an insulation base plate 1, a main base plate 2, a sub base plate 5, a thin wall part 4 connecting the main base plate 2 and sub main plate 5, the insulation base plate 1 is bent in a part of thin wall part 4 and constructed by coupling the main base plate 2 and sub base plate 5, and the contact piece 6 is protruded from the insulation base plate 1 to the rotational body 8 in the upright state. Therefore, a recess hole 51a of the insulation base plate 51 is not needed, the length of the contact part 6a of the contact piece 6 can be elongated sufficiently, thus bringing forth a long-life rotation type encoder.
Description
Technical field
The present invention relates to computer terminal, portable communication device, the rotary coder that stereo set etc. adopted.
Background technology
When according to Figure 51～Figure 55 the structure of the rotary coder in past being described, the insulating base 51 that is formed by the drip molding of synthetic resin comprises baseplate part 51b, has hole 51a at the pars intermedia of this baseplate part; A pair of wrist 51c, this extends according to the mode vertical with two ends maintenances of this baseplate part 51b wrist 51c; Support 51d, this support 51d is arranged at the end of this wrist 51c, is formed by the hole of local breach.
The contact chip 52 that is formed by metallic plate comprises contact site 52a with shared contact chip 53,53a and portion of terminal 52b, 53b, this contact chip 52 and shared contact chip 53 are according at state side by side, the mode that is embedded among the baseplate part 51b is installed, and contact chip 52a, 53a are arranged in hole 51a, and portion of terminal 52b, 53b are in relative baseplate part 51b towards the outstanding state of foreign side.
The elastic plate 54 that forms by metallic plate with contact chip 52, shared contact chip 53 state side by side, be installed on the baseplate part 51b.
In addition, addressable part 57 passes through electroconductive resin, annotate formation by 2 apotypes, in addition, on the outer circumference surface of cylindrical portion 56, be formed with shared pattern 57a, the jog 56a that the coding pattern 57b of comb shape, ratchet use, these shared pattern 57a, coding pattern 57b, and jog 56a is arranged side by side along the rotating shaft direction.
In addition, two end faces in cylindrical portion 56 are provided with axial region 56b, at central part, are formed with non-circular hole 56c.
Also have, axial region 56b in this rotary body 55 is stopped on the support 51d of a pair of wrist 51c, thereby this rotary body 55 rotatably is installed on the insulating base 51, when rotary body 55 is installed, the contact site 53a of shared contact chip 53 contacts with shared pattern 57a, and in addition, the contact site 52a of contact chip 52 contacts with coding pattern 57b, in addition, elastic plate 54 and jog 56a Elastic Contact.
Have, the lid 58 of ball top shape is installed on the insulating base 51 to cover the mode of rotary body 55 again, thereby constitutes coding main part E2.
In addition, shown in Fig. 53, this coding main part E2 is arranged at the bottom surface of insulating base 51 on the printed circuit mainboard P2, and with the portion of terminal 52b of contact chip 52 with shared contact chip 53,53b passes the hole among the printed circuit mainboard P2, with portion of terminal 52b, 53b is welded on the wiring pattern (not shown), and formation coding main part E2 is installed on the structure on the printed circuit mainboard P2 thus.
When the action to rotary coder with such structure is described, at first, insert the state of the hole 56c in the rotary body 55, if rotate this driving shaft, then rotary body 55 rotations from the outside in the driving shaft (not shown).
So addressable part 57 also rotates, contact with shared pattern 57a at shared contact chip 53 at ordinary times, and contact chip 52 and coding pattern 57b contact separation, between shared contact chip 53 and contact chip 52, the generation pulse signal.
In addition, the jog 56a of the rotation by accompanying rotation body 55, elastic plate 54 and jog 56a comes out of engagement, rotary body 55 carry out the ratchet action.
In this manner, realize the action of rotary coder.
In the rotary coder in the past, because the contact site 52a that is embedded in the contact chip 52 in the insulating base 51 installs in the mode that is arranged in the hole 51a that is opened in insulating base 51, thus the length of contact site 52a do not prolong, so, have useful life and shorten the problem of contact variation.
In addition, owing on the outer circumference surface of rotary body 55, along the rotating shaft direction, be arranged side by side general pattern 57a and coding pattern 57b, so have along the rotating shaft direction larger-size problem.
Summary of the invention
So, the object of the present invention is to provide the good small-sized rotary coder of a kind of contact.
The 1st technical solution that is used to solve above-mentioned problem is following structure, and it comprises rotary body, and this rotary body is formed by insulating material, and it is rotatable cylindric, a kind of shape in cylindric and the circular cone shape; Coding pattern, it is arranged on the outer surface of this rotary body; A plurality of contact chips, these a plurality of contact chips contact with this coding pattern, be installed on the insulating base, it is characterized in that above-mentioned insulating base comprises main basal base portion, secondary base portion, the thickness smaller part that connects main basal base portion and secondary base portion, above-mentioned contact chip is installed in respectively on main basal base portion and the secondary base portion, this insulating base is in the part bending of above-mentioned thickness smaller part, mode according to main basal base portion and the assembling of secondary base portion constitutes, and above-mentioned contact chip is according to the upright mode of relative insulating base, outstanding towards above-mentioned rotary body direction, on an end face of above-mentioned rotary body, be provided with the shared pattern with above-mentioned coding pattern conducting, the shared contact chip that is arranged at the main basal base portion in the above-mentioned insulating base contacts with above-mentioned shared pattern.
In addition, as the 2nd technical solution, above-mentioned main basal base portion and secondary base portion are assembled by concavo-convex chimeric mode mutually.
In addition, as the 3rd technical solution, above-mentioned thickness smaller part is formed by the insulating material that constitutes above-mentioned insulating base.
Also have, as the 4th technical solution, above-mentioned thickness smaller part is formed by the metal parts that is embedded in the above-mentioned insulating base.
Have, as the 5th technical solution, above-mentioned contact chip is installed according to the mode that is embedded in the above-mentioned insulating base again, and above-mentioned thickness smaller part is made of the part of above-mentioned contact chip.
In addition, as the 6th technical solution, the both sides in above-mentioned main basal base portion are respectively arranged with above-mentioned secondary base portion, on above-mentioned secondary base portion, are separately installed with above-mentioned contact chip.
In addition, as the 7th technical solution, on the outer circumference surface of above-mentioned rotary body, be provided with above-mentioned coding pattern.
Have again,, on the other end of the above-mentioned rotary body relative, be formed with the jog that ratchet is used, make gomphosis part and this jog comes out of engagement, thereby constitute ratchet mechanism with an above-mentioned end face as the 8th technical solution.
Description of drawings
Fig. 1 is the front view of rotary coder of the present invention;
Fig. 2 is the internal view of rotary coder of the present invention;
Fig. 3 is the vertical view of rotary coder of the present invention;
Fig. 4 is the upward view of rotary coder of the present invention;
Fig. 5 is the decomposition diagram of rotary coder of the present invention;
Fig. 6 is the end view of the major part section of rotary coder of the present invention;
Fig. 7 is the front view of the major part section of rotary coder of the present invention;
Fig. 8 is a rotary coder of the present invention, the perspective view that insulating base and rotary body fit together;
Fig. 9 is the front view of embodiment 1 of the insulating base of rotary coder of the present invention;
Figure 10 is the end view of embodiment 1 of the insulating base of rotary coder of the present invention;
Figure 11 is the upward view of embodiment 1 of the insulating base of rotary coder of the present invention;
Figure 12 is an expression rotary coder of the present invention, the key diagram that concerns between the insulating base of embodiment 1 and the contact chip;
Figure 13 is the key diagram of the manufacture method of the insulating base of expression rotary coder of the present invention;
Figure 14 is the front view of embodiment 2 of the insulating base of rotary coder of the present invention;
Figure 15 is the end view of embodiment 2 of the insulating base of rotary coder of the present invention;
Figure 16 is the upward view of embodiment 2 of the insulating base of rotary coder of the present invention;
Figure 17 is an expression rotary coder of the present invention, the insulating base of embodiment 2 and the key diagram of the relation between the contact chip;
Figure 18 is the front view of embodiment 1 of the rotary body of rotary coder of the present invention;
Figure 19 is the end view of embodiment 1 of the rotary body of rotary coder of the present invention;
Figure 20 is the internal view of embodiment 1 of the rotary body of rotary coder of the present invention;
Figure 21 is the cross sectional side view of embodiment 1 of the rotary body of rotary coder of the present invention;
Figure 22 is an expression rotary coder of the present invention, the key diagram of the rotary body of embodiment 1 and the manufacture method of addressable part;
Figure 23 is an expression rotary coder of the present invention, the key diagram of the rotary body of embodiment 1 and the manufacture method of addressable part;
Figure 24 is the cutaway view along the 24-24 line among Fig. 23;
Figure 25 is an expression rotary coder of the present invention, the key diagram of the rotary body of embodiment 1 and the manufacture method of addressable part;
Figure 26 is the perspective view of the addressable part of rotary coder of the present invention;
Figure 27 is the front view of embodiment 2 of the rotary body of rotary coder of the present invention;
Figure 28 is the end view of embodiment 2 of the rotary body of rotary coder of the present invention;
Figure 29 is the internal view of embodiment 2 of the rotary body of rotary coder of the present invention;
Figure 30 is the cross sectional side view of embodiment 2 of the rotary body of rotary coder of the present invention;
Figure 31 is an expression rotary coder of the present invention, the perspective view of the rotary body of embodiment 2 and the installation method of addressable part;
Figure 32 is an expression rotary coder of the present invention, and the rotary body of embodiment 2 and addressable part are in the front view of the state that assembles;
Figure 33 is an expression rotary coder of the present invention, and the rotary body of embodiment 2 and addressable part are in the end view of the state that assembles;
Figure 34 is the front view of the gomphosis part of rotary coder of the present invention;
Figure 35 is the vertical view of the gomphosis part of rotary coder of the present invention;
Figure 36 is the upward view of the gomphosis part of rotary coder of the present invention;
Figure 37 is the cutaway view along the 37-37 line among Figure 35;
Figure 38 is the perspective view of embodiment 1 of the mounting panel of rotary coder of the present invention;
Figure 39 is the front view of embodiment 1 of the mounting panel of rotary coder of the present invention;
Figure 40 is the end view of embodiment 1 of the mounting panel of rotary coder of the present invention;
Figure 41 is the upward view of embodiment 1 of the mounting panel of rotary coder of the present invention;
Figure 42 is an expression rotary coder of the present invention, the mounting panel of embodiment 1 is installed on the perspective view of the state on the coding main part;
Figure 43 is an expression rotary coder of the present invention, the mounting panel of embodiment 1 is installed on the cutaway view of the major part of the state on the coding main part;
Figure 44 is expression rotary coder of the present invention, and the mounting panel of embodiment 1 is installed on perspective view on the coding main part;
Figure 45 is the front view of embodiment 2 of the mounting panel of rotary coder of the present invention;
Figure 46 is the end view of embodiment 2 of the mounting panel of rotary coder of the present invention;
Figure 47 is the internal view of embodiment 2 of the mounting panel of rotary coder of the present invention;
Figure 48 is an expression rotary coder of the present invention, the mounting panel of embodiment 2 is installed on the perspective view of the state on the coding main part;
Figure 49 is an expression rotary coder of the present invention, the mounting panel of embodiment 2 is installed on the internal view of the state on the coding main part;
Figure 50 is an expression rotary coder of the present invention, the mounting panel of embodiment 2 is installed on the end view of the state on the coding main part;
Figure 51 is the perspective view of rotary coder in the past;
Figure 52 is the decomposition diagram of rotary coder in the past;
Figure 53 is in the past rotary coder, and contact chip is in the cutaway view of the state that presses towards rotary body with elastic type;
Figure 54 is in the past rotary coder, and elastic plate is in the cutaway view of the state that presses towards rotary body with elastic type;
Figure 55 is the perspective view of the rotary body of rotary coder in the past.
Embodiment
Below according to Fig. 1～50, the structure of rotary coder of the present invention is described, shown in Fig. 1～11, the insulating base 1 of the embodiment 1 that is formed by the drip molding of insulating material comprises the main basal base portion 2 of rectangle; Side wall portion 3, this side wall portion 3 are in upright mode, according to keeping vertically being provided with main basal base portion 2; A pair of secondary base portion 5, this, is connected with the both sides of this main basal base portion 2 by thickness smaller part 4 secondary base portion 5.
In addition, main basal base portion 2 comprises recess 2a, and this recess 2a is arranged on the end faces of both sides of this main basal base portion 2; Columned protuberance 2b, this columned protuberance 2b are arranged at the pars intermedia of positive end face; A pair of connection part 2c, this comprises the taper portion that is arranged at the bottom surface to connection part 2c.
In addition, the end face of side wall portion 3 relative main basal base portions 2 is provided with in upright mode, and this side wall portion 3 comprises circular port 3b, and this circular port 3b comprises the flange 3a that is arranged at central part; A pair of drain hole 3c, this drain hole 3c is provided with according to the mode that the both sides from hole 3b extend to main basal base portion 2; A pair of upper wall portions 3d, this upper wall portions 3d vertically extends from top; Slot part 3e, this slot part 3e are arranged between the above-mentioned a pair of top wall portion 3d; Connection part 3f, this connection part 3f has the stage portion on the end face that is arranged at a pair of top wall portion 3; Teat 3g.
Also have, a pair of secondary base portion 5 comprises protuberance 5a, and this protuberance 5a keeps circular mode to be arranged at end face according to its front end; Less convex strip portions 5b (with reference to Figure 11), this convex strip portions 5b is arranged at the bottom surface of protuberance 5a.
Have, as shown in Figure 8, this insulating base 1 is formed with the insulating base 1 of rectangle by following manner again, and this mode is: with 4 bendings of thickness smaller part, the protuberance 5a in the secondary base portion 5 is pressed into recess 2a in the main basal base portion 2 from state shown in Figure 5.
At this moment, be arranged at convex strip portions 5b on the secondary base portion 5 and be pressed into recess 2a in the secondary base portion 5 easily and really.
A plurality of contact chips 6 of the embodiment 1 that is formed by metallic plate comprise contact site 6a, and portion of terminal 6b, these a plurality of contact chips 6 are installed according to the mode that is embedded in the secondary base portion 5 respectively, contact site 6a is outstanding towards the top from the end face of insulating base 1, and portion of terminal 6b is outstanding towards the below from the bottom surface of insulating base 1, the flat face of leading section is according to the end at insulating base 1, promptly with side wall portion 3 essentially identical positions, the mode bending of keeping parallelism.
The shared contact chip 7 of the embodiment 1 that is formed by metal comprises a pair of contact site 7a, and portion of terminal 7b, this shared contact chip 7 is installed according to the mode of the position of the main basal base portion 2 that is embedded in close side wall portion 3 one sides, contact site 7a is outstanding towards the top from the end face of insulating base 1, be arranged in the drain hole 3c place of side wall portion 3, portion of terminal 7b is outstanding towards the below from the bottom surface of insulating base 1, the leading section flat face is according to the end at insulating base 1, promptly with side wall portion 3 essentially identical positions, the mode bending of keeping parallelism.
Consequently, as benchmark, be in the installment state of the installable type of droping to the ground with the face of side wall portion 3.
In addition, in the present embodiment, the part of a plurality of contact chips 6 is buried underground with the mode of secondary base portion 5 according to striding across main basal base portion 2, in the part of contact chip 6, is formed with the thickness smaller part 4 that above-mentioned main basal base portion 2 is connected with secondary base portion 5.
In addition, this thickness smaller part 4 also can be embedded in the tabular metal parts that is independent of contact chip 6 in the insulating base 1, form thickness smaller part 4 by metal parts, in addition, the thickness smaller part 4 that main basal base portion 2 is connected with secondary base portion 5 also can be by being formed by the insulating material that constitutes insulating base 1.
Below by Figure 13 to this insulating base 1, contact chip 6, and the manufacture method of shared contact chip 7 is described, and at first, on the metallic plate 21 that is formed by hoop component, offers a plurality of holes 22, is formed with 21a of upper frame portion and undercarriage portion 21b.
Also have, by forming hole 22, in the hole 22 of the pars intermedia of metallic plate 21, the 21c of hoop portion is set, the 21c of this hoop portion is used to form the contact site 7a of shared contact chip 7, and on the part of the 21c of hoop portion, the portion of terminal 7b of shared contact chip 7 is in by connecting portion 21d, the state that is connected with undercarriage portion 21b.
Have, in the both sides of this 21c of hoop portion and connecting portion 21d, the contact site 6a of contact chip 6 is by connecting portion 21e again, be connected with the 21a of upper frame portion, in addition, the portion of terminal 6b of contact chip 6 is by connecting portion 21f, and 21b is connected with undercarriage portion, and contact site 6a is connected by brace 21g with portion of terminal 6b, this brace 21g forms thickness smaller part 4, also has, and the bottom of contact chip 6a is in by connecting portion 21h, the state that is connected with undercarriage portion 21b is so that keep in touch sheet 6a really when being shaped.
In addition, if the metallic plate 21 of Gou Chenging is by the clamping of shaping dies (not shown) in the manner described above, casting resin in shaping dies, shown in 2 chain-dotted lines among Figure 13, then form the main basal base portion 2 of insulating base 1, side wall portion 3, and secondary base portion 5, after this, if online 23 position cuts off, then with contact chip 6 and shared contact chip 7, cut with metallic plate 21,, form a pair of contact site 7a of single sheet the contact site 7a and the 21c of the hoop portion incision of shared contact chip 7, consequently, make insulating base 1 shown in Figure 9.
In addition, Figure 14～17 expression insulating bases 1, contact chip 6, and the embodiment 2 of shared contact chip 7, in this embodiment, only be contact chip 6 with the difference of aforesaid embodiment 1, the portion of terminal 6b of shared contact chip 7, the shape of 7b, other structure is identical with embodiment 1 with manufacture method, identical parts adopt identical label, omit the description to it here.
That is, in embodiment 2, portion of terminal 6b, the bottom surface side of the relative insulating base 1 of 7b is outstanding, and its leading section is the L sigmoid.
The rotary body cylindraceous 8 of embodiment 1 is formed by the drip molding of insulating material, and particularly shown in Figure 18～21, it comprises and is arranged at a distolateral axial region 8a; Maintaining part 8b, this maintaining part 8b and this axial region 8a are connected to form, and the diameter of this maintaining part 8b is greater than axial region 8a; The jog 8d that ratchet is used, this jog 8d are arranged at rotating shaft direction as the side of maintaining part 8b and keep vertical end face 8c; End face 8e, this end face 8e are arranged between axial region 8a and the maintaining part 8b, keep vertical with the rotating shaft direction of the opposite side that is positioned at maintaining part 8b; Non-circular hole 8f, this hole 8f is arranged at central part, and this hole is a hexagon; Fitting portion 8g, this fitting portion 8g is arranged at the end of the periphery of axial region 8a.
Particularly as shown in figure 26, the addressable part 9 of the embodiment 1 that is formed by metallic plate comprises plate-like portion 9a, and this plate-like portion 9a is a ring-type, and it forms general pattern; A plurality of tongue piece 9b, these a plurality of tongue piece 9b are the interior perimembranous bending of this plate-like portion 9a relatively, forms coding pattern.
Also have, this addressable part 9 is installed in the mode that is embedded in the rotary body 8, and the plate-like portion 9a that forms the ring-type of general pattern is positioned at end face 8e, and the tongue piece 9b that forms coding pattern is in the state that the outer circumference surface of maintaining part 8b exposes.
Below according to Figure 22～26, the manufacture method of this rotary body 8 with addressable part 9 is described, as shown in figure 22,, be provided with the hole 26 of comb shape at the central part of the metallic plate 25 of hoop-like, form tongue piece 9b.
In addition, the front end of tongue piece 9b is the chamfering shape, thereby can bigger size set its length.
As Figure 23 and shown in Figure 24, in criss-cross position, be provided with porosely 27, form the frame 25a of portion, and on the 25a of this, form the plate-like portion 9a that connects by connecting portion 25b, and with the relative plate-like portion 9a of tongue piece 9b bending.
As shown in figure 25, by two moulds 28,29, clamping plate-like portion 9a, at the state that keeps tongue piece 9b by the slot part 29a of mould 29, at hollow bulb 30 casting resins of two moulds 28,29, just form rotary body 8 this moment, after this, as shown in figure 23, if online 31 position realizes cutting off, addressable part 9 shown in Figure 26 is in the state that is embedded in the rotary body 8, finishes the manufacturing of rotary body 8 and addressable part 9.
In addition, in step shown in Figure 25, the size of the slot part 29a of mould 29 is less than the size of tongue piece 9b, in addition, the inlet of slot part 29a is taper, and tongue piece 9b is received in the inside of slot part 29a under gapless situation, inject resin at this state,, do not form resin molding at the outer surface of tongue piece 9b.
Also have, this mould 29 is in the position of pushing tongue piece 9b, forms the part of the recess of the jog 8d that above-mentioned ratchet uses.
Have again, the embodiment 2 of Figure 27～33 expression rotary bodies 8 and addressable part 9, in this embodiment, addressable part 9 is installed in the mode that embeds rotary body 8.
In addition, in rotary body 8, except the structure of the foregoing description 1, at the outer circumference surface of maintaining part 8b, be provided with a plurality of slot part 8h along the rotating shaft direction, other structure is identical with aforesaid embodiment, identical parts adopt identical label, omit the description to it here.
In addition, as shown in figure 31, addressable part 9 is pre-formed plate-like portion 9a, and tongue piece 9b, and this plate-like portion 9a forms general pattern, and in the form of a ring, this plate-like portion 9a bending relatively of this tongue piece forms coding pattern.
Also have, as shown in figure 31, be positioned at the state of end face 8e one side of rotary body 8 at addressable part 9, the chamfered section of the front end of tongue piece 9b constitutes guide part, if realize embedding by this tongue piece 9b being pressed into slot part 8h, as Figure 32, shown in 33, then plate-like portion 9a is positioned on the end face 8e, and tongue piece 9b is in the state that the outer circumference surface of maintaining part 8b exposes, and addressable part 9 is in the state that is installed on the rotary body 8.
Have, rotary body 8 and the addressable part 9 of structure with embodiment 1 and 2 rotatably keeps by the axial region 8a of rotary body 8 being inserted the hole 3b of side wall portion 3 again.
In addition, when rotary body 8 is installed on insulating base 1, extract fitting portion 8g out from hole 3b, stop the extraction of rotary body 8, and a pair of contact site 7a of shared contact chip 7 is in the state relative with end face 8e, is in and the contacted state of plate-like portion 9a as the shared pattern of addressable part 9.
Have again, when being installed on rotary body 8 on the insulating base 1, a plurality of contact chips 6 are in the mode of the periphery of difference clamping rotary body 8, be positioned at the position of a relative side, contact with tongue piece 9b and to separate as the coding pattern of addressable part 9, as Figure 12 and shown in Figure 17, the state in that contact chip 6 presses towards rotary body 8 with elastic type is pressed against the position of crossing the pivot of rotary body 8 from contact site 6 a of insulating base 1 extension with elastic type.
In addition, a pair of contact site 6a keeps phase difference, contacts with coding pattern.
Also have, above-mentioned rotary body 8 is described according to cylindric, and is cylindric but it also can be, or circular cone shape.
Have again, because the interior perimembranous bending of the relative plate-like portion 9a of tongue piece 9b in the addressable part 9, so connecting portion 25b can be arranged at the position arbitrarily of periphery, even under the situation that tongue piece 9b spacing narrows down, still can carry out the continuous processing of hoop component, but tongue piece 9b is the peripheral part bending of plate-like portion 9a relatively also.
Have, the tongue piece 9b of addressable part 9 describes according to the mode on the outer circumference surface that is arranged at rotary body 8 cylindraceous again, but tongue piece 9b also can be arranged on the inner peripheral surface of rotary body 8 cylindraceous.
In addition, addressable part 9 is to describe according to the mode that adopts metallic plate, but it also can pass through the wooden accessory of the lathe processing of metal material, and conducting powder is electroplated etc., forms coding pattern, common shape.
Particularly shown in Figure 34～37, the gomphosis part 10 that is formed by metallic plate comprises the plate-like base 10a of rectangle; Fitting portion 10b, this fitting portion 10b are C shape lancing at the pars intermedia of this base portion 10a, have protuberance at leading section; Circular port 10c, this hole is arranged at the bottom of base portion 10a; Pair of side plates 10d, this is to the both sides bending of the relative base portion 10a of side plate 10d; Cut the 10e of portion, it is arranged on this side plate 10d; T shape top margin plate 10g, the top margin bending of the relative base portion 10a of this top margin plate 10g has fitting portion 10f at leading section; C shape bilge ways 10j, the base bending of the relative base portion 10a of this bilge ways 10j has the hole 10h of rectangle at pars intermedia.
In addition, this gomphosis part 10 is according to the end face 8c relative mode of fitting portion 10b with the rotary body 8 that is provided with jog 8d, corresponding to insulating base 1, in protuberance 2b patchhole 10c.
After this, top margin plate 10g is positioned on the top wall portion 3d, realizes being pressed into, on connection part 3f, and top margin plate 10g is positioned on the slot part 3e fitting portion 10f hook, the 10g of top margin portion is installed on the side wall portion 3.
Also have, when this top margin plate 10g is installed, make bilge ways 10j be positioned at the bottom surface of main basal base portion 2, realize being pressed into, connection part 2c is arranged in hole 10h, bilge ways 10j hook on connection part 2c, is installed on bilge ways 10j in the main basal base portion 2.
In the manner described above, gomphosis part 10 is in the state of the upper-lower position that is installed on rotary body 8, and side plate 10d is in the state of the position, the left and right sides that is arranged at rotary body 8.
Have again, when gomphosis part 10 is installed, the protuberance of fitting portion 10b be in the end face 8c that is arranged at rotary body 8 on the state of jog 8d comes out of engagement, 8d is chimeric with jog, forms ratchet mechanism.
In addition, gomphosis part 8, it is datum level that contact chip 6 and shared contact chip 7 are in insulating base 1, the state that extends along the direction of rotary body 8.
In addition, by such structure, just form coding main part E1.
Have, shown in Figure 38～44, the mounting panel 11 of the embodiment 1 that is formed by welding metallic plate comprises flat part 11c again, and this flat part 11c comprises the bigger hole 11a of the circle that is opened in pars intermedia, is opened in the less hole 11b of bottom; A pair of wrist 11d, this is to wrist 11d both sides bending on relative direction of this flat part 11c relatively; Rectangular opening 11e, this rectangular opening 11e is arranged at the pars intermedia of this wrist 11d; Installation portion 11f, the end bent of the relative wrist 11d of this installation portion 11f.
In addition, shown in Figure 42～44, such mounting panel 11 is positioned at gomphosis part 10 1 sides of coding main part E 1, at first, the protuberance 2b of the insulating base 1 of embodiment 1 is inserted less hole 11b.
After this, be pressed into wrist 11d on the side plate 10d of gomphosis part 10, the portion 10e of having cut is arranged in hole 11e, in cutting the 10e of portion, thus, mounting panel 11 is stopped on the gomphosis part 10 wrist 11d hook, and mounting panel 11 is installed on the gomphosis part 10.
In addition, as shown in figure 43, when mounting panel 11 is installed, flat part 11c is in the state with the outer side superimposed of the tabular base portion 10a of gomphosis part 10, wrist 11d be positioned at rotary body 8 about the lateral attitude, be installed on the side plate 10d of gomphosis part 10, in addition, relatively the bottom surface of the installation portion 11f of the end bent of the wrist 11d that extends along the rotating shaft direction of rotary body 8 is positioned at an end of insulating base 1 according to parallel mode, promptly with side wall portion 3 essentially identical positions.
Also have, as shown in figure 43, in the coding main part E1 of mounting panel 11 was installed, side wall portion 3 one sides were arranged on the printed circuit mainboard P1.
At this moment, in the hole 13 among the teat 3g insertion printed circuit mainboard P1, make coding main body E1 realize the location, and contact chip 6, the portion of terminal 6b of shared contact chip 7,7b, and the installation portion 11f in the mounting panel 11 is in the state on the wiring pattern (not shown) that is positioned on the end face that is formed at printed circuit mainboard P1.
Have again, the contact chip 6 of Gou Chenging in this manner, shared contact chip 7, and installation sheet 11 is installed on the wiring pattern with planar fashion by welding paste, is installed on the printed circuit mainboard P1, thus, coding main part E1 is installed on the printed circuit mainboard P1 keeping vertical mode with the rotating shaft direction of rotary body 8, and coding main part E1 is in the installment state of droping to the ground.
Operation to rotary coder with such structure is described below, at first, pass hole 11a and gomphosis part 10 in the mounting panel 11, make the hole 8f in functional unit (not shown) and the rotary body 8 chimeric, or pass hole (not shown) among the printed circuit mainboard P1, make the hole 8f in functional unit and the rotary body 8 chimeric, if rotary actuator afterwards, rotary body 8 is realized rotation with axial region 8a as support with addressable part 9.
In addition, jog 8d in the rotary body 8 carries out the comes out of engagement action with fitting portion 10b, carry out the ratchet action, and tongue piece 9b contacts with contact chip 6, contact with plate-like portion 9a realization simultaneously at shared contact chip 7 at ordinary times, thereby between contact chip 6 and shared contact chip 7, produce the pulse signal of 2 phases.
In addition, the embodiment 2 of Figure 45～50 expression mounting panels, mounting panel 12 among this embodiment 2 is formed by welding metallic plate, and it comprises flat part 12c, and this flat part 12c has the bigger hole 12a and the less hole 12b that is opened in the bottom of the circle that is opened in pars intermedia; A pair of wrist 12d, this is relatively crooked to the both sides of wrist 12d from this flat part 12c; Rectangular opening 12e, this rectangular opening 12e is opened in the pars intermedia of wrist 12d; Installation portion 12f, the side end bending of the relative wrist 12d of this installation portion 12f; Protuberance 12g, this protuberance 12g are arranged at installation portion 12f one side among the flat part 12c.
Shown in Figure 48～50, such mounting panel 12 is identical with aforesaid embodiment, is positioned at gomphosis part 10 1 sides of coding main part E1, at first, the protuberance 2b of the insulating base 1 of embodiment 2 is inserted among the less hole 12b.
After this, be pressed into wrist 12d on the side plate 10d of gomphosis part 10, the portion 10e of having cut is arranged in hole 12e, and wrist 12d hook is in cutting on the 10e of portion, and thus, mounting panel 12 is stopped on the gomphosis part 10, and mounting panel 12 is installed on the gomphosis part 10.
Also have, when mounting panel 12 is installed, shown in Figure 48～50, flat part 12c is in the state that the outside with the plate-like base 10a of gomphosis part 10 coincides, and the lateral attitude of wrist 12d about rotary body 8, be installed on the side plate 10d of gomphosis part 10, in addition, the bottom surface of the installation portion 12f of the side end bending of the wrist 12d that extends along the rotating shaft direction of rotary body 8 is positioned at following position, this position basically with the L shaped portion of terminal 6b of the contact chip 6 that extends from the bottom surface of insulating base 1 with shared contact chip 7, the position that 7b is identical.
Afterwards, as Figure 49 and shown in Figure 50, in the coding main part E1 of mounting panel 12 is installed, make main basal base portion 2 relative with printed circuit mainboard P1 with the bottom surface side of secondary base portion 5, in the hole 13 among the protuberance 12a insertion printed circuit mainboard P1, coding main part E1 realizes the location, and contact chip 6, portion of terminal 6b in the shared contact chip 7,7b, and the installation portion 12f in the mounting panel 12 is in the state on the wiring pattern (not shown) that is positioned on the end face that is formed at printed circuit mainboard P1.
Then, the contact chip 6 of Gou Chenging in the manner described above, shared contact chip 7 and mounting panel 12 pass through welding paste, be installed on the wiring pattern with planar fashion, be installed on the printed circuit mainboard P1, thus, coding main part E1 installation is installed on the printed circuit mainboard P1 with the mode of the rotating shaft direction keeping parallelism of rotary body 8, and coding main part E1 is in the installment state of upright type.
Operation to rotary coder with such structure is described below, at first, pass hole 12a and gomphosis part 10 in the mounting panel 12, hole 8f in functional unit (not shown) and the rotary body 8 is chimeric, or from its opposite side, make hole 8 f in functional unit and the rotary body 8 chimeric, if rotary actuator afterwards, then rotary body 8 is realized rotation with axial region 8a as support with addressable part 9.
Afterwards, jog 8d in the rotary body 8 carries out the action with fitting portion 10b comes out of engagement, carry out the ratchet action, and tongue piece 9b contacts with contact chip 6, and contact with plate-like portion 9a at shared contact chip 7 at ordinary times, thereby between contact chip 6 and shared contact chip 7, produce pulse signal.
In the above-described embodiments, the situation that adopts general pattern is described, if but a contact chip is provided with a plurality of contact sites, and at least one in this contact site contacts with coding pattern at ordinary times, then also shared contact chip can be set.
In rotary coder of the present invention, insulating base 1 comprises main basal base portion 2, secondary base portion 5, the thickness smaller part 4 that main basal base portion 2 is connected with secondary base portion 5, this insulating base 1 constitutes in the following manner, this mode is: the part bending in thinner thickness portion 4, main basal base portion 2 and secondary base portion 5 are combined, and contact chip 6 relative insulating bases 1 are erectility, direction to rotary body 8 is outstanding, thus, the drain hole 51a in the insulating base 51 in past is unwanted, can make the length long enough of the contact site 6a of contact chip 6, contact is good, and can provide useful life long rotary coder.
Have, because main basal base portion 2 and secondary base portion 5 be by concavo-convex chimeric and mutual realization is assembled, so can provide it simple in structure, assembling is good, lower-cost rotary coder again.
In addition, because thickness smaller part 4 forms by the insulating material that constitutes insulating base 1, so it is simple in structure, cost is lower.
In addition, owing to thickness smaller part 4 is formed by the metal parts that is embedded in the insulating base 1, so can provide crooked relatively, firm type.
Also have, because contact chip 6 is installed in the mode that is embedded in the insulating base 1, thickness smaller part 4 is made of the part of contact chip 6, thus bending is had repellence, and can make contact chip 6 simultaneously as thickness smaller part 4, and productivity is good, and cost is lower.
Have again, because in the both sides of main basal base portion 2, be respectively arranged with secondary base portion 5, on secondary base portion 5, contact chip is installed, thus contact chip 6 can be arranged at rotary body 8 about periphery on, can provide contact good small-sized rotary coder.
In addition, owing on the outer circumference surface of rotary body 8, coding pattern 9b is set,, can provide corresponding to various forms of rotary coders so the setting of contact chip 6 has versatility.
In addition, because on an end face 8e of rotary body 8, be provided with general pattern 9a with coding pattern 9b conducting, the shared contact chip 7 of the main basal base platform 2 that is arranged at insulating base 1 is contacted with general pattern 9a, so compared with the prior art, the axial length of rotation of rotary body 8 is reduced, small-sized rotary coder can be provided.
Also have, because on the other end 8c of the rotary body 8 relative with end face 8e, be formed with the jog 8d that ratchet is used, gomphosis part 10 and this jog 8d comes out of engagement, thereby the formation ratchet mechanism, so and in the past, the situation that jog 56a is set along the rotating shaft direction is compared, it is littler that the axial size of rotation is reduced, and small-sized rotary coder can be provided.
Claims (8)
1. rotary coder, it comprises rotary body, and this rotary body is formed by insulating material, and it is rotatable cylindric, a kind of shape in cylindric and the circular cone shape; Coding pattern, it is arranged on the outer surface of this rotary body; A plurality of contact chips, these a plurality of contact chips contact with this coding pattern, be installed on the insulating base, it is characterized in that above-mentioned insulating base comprises main basal base portion, secondary base portion, the thickness smaller part that connects main basal base portion and secondary base portion, above-mentioned contact chip is installed in respectively on main basal base portion and the secondary base portion, this insulating base is in the part bending of above-mentioned thickness smaller part, mode according to main basal base portion and the assembling of secondary base portion constitutes, and above-mentioned contact chip is according to the upright mode of relative insulating base, outstanding towards above-mentioned rotary body direction, on an end face of above-mentioned rotary body, be provided with the shared pattern with above-mentioned coding pattern conducting, the shared contact chip that is arranged at the main basal base portion in the above-mentioned insulating base contacts with above-mentioned shared pattern.
2. rotary coder according to claim 1 is characterized in that above-mentioned main basal base portion and secondary base portion assemble by concavo-convex chimeric mode mutually.
3. rotary coder according to claim 1 is characterized in that above-mentioned thickness smaller part is formed by the insulating material that constitutes above-mentioned insulating base.
4. rotary coder according to claim 1 is characterized in that above-mentioned thickness smaller part is formed by the metal parts that is embedded in the above-mentioned insulating base.
5. rotary coder according to claim 4 is characterized in that above-mentioned contact chip installs according to the mode that is embedded on the above-mentioned insulating base, and above-mentioned thickness smaller part is made of the part of above-mentioned contact chip.
6. rotary coder according to claim 1 is characterized in that being respectively arranged with above-mentioned secondary base portion in the both sides of above-mentioned main basal base portion, on above-mentioned secondary base portion, is separately installed with above-mentioned contact chip.
7. rotary coder according to claim 1 is characterized in that being provided with above-mentioned coding pattern on the outer circumference surface of above-mentioned rotary body.
8. rotary coder according to claim 7 is characterized in that being formed with the jog that ratchet is used on the other end of the above-mentioned rotary body relative with an above-mentioned end face, makes gomphosis part and this jog comes out of engagement, thereby constitutes ratchet mechanism.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35134299A JP3764835B2 (en) | 1999-12-10 | 1999-12-10 | Rotary encoder |
| JP351342/1999 | 1999-12-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1305205A CN1305205A (en) | 2001-07-25 |
| CN1161810C true CN1161810C (en) | 2004-08-11 |
Family
ID=18416660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001341596A Expired - Lifetime CN1161810C (en) | 1999-12-10 | 2000-12-06 | Rotary type encoder |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3764835B2 (en) |
| CN (1) | CN1161810C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009033433A1 (en) * | 2007-09-10 | 2009-03-19 | Changqing Xie | Brush metal switch for generating a pulse current |
| JP5280936B2 (en) | 2009-05-20 | 2013-09-04 | 富士通コンポーネント株式会社 | Key switch device |
| JP6792445B2 (en) | 2016-12-27 | 2020-11-25 | ジェコー株式会社 | A slip ring, a rotation sensor device including the slip ring, and a method for manufacturing the slip ring. |
-
1999
- 1999-12-10 JP JP35134299A patent/JP3764835B2/en not_active Expired - Lifetime
-
2000
- 2000-12-06 CN CNB001341596A patent/CN1161810C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001167667A (en) | 2001-06-22 |
| CN1305205A (en) | 2001-07-25 |
| JP3764835B2 (en) | 2006-04-12 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: Alpine Alpine Company Address before: Tokyo, Japan Patentee before: Alps Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20040811 |