CN2478221Y

CN2478221Y - Rotary coder

Info

Publication number: CN2478221Y
Application number: CN 01219294
Authority: CN
Inventors: 张俊云
Original assignee: SONGTENG ENTERPRISE CO Ltd
Current assignee: SONGTENG ENTERPRISE CO Ltd
Priority date: 2001-04-10
Filing date: 2001-04-10
Publication date: 2002-02-20
Anticipated expiration: 2011-04-10

Abstract

The design pertains to a rotational coder, which is composed of a main shaft, a turning plate, a linking ring, a coding base, a location plate and a bearing base. Elements of the design have undergone the mode-regulated design, so that the assembly is faster and the thin size after the overall assembly can improve the stability and durability of the power supplier product. Additionally, the design can be further connected with a mode switching switch and thereby optimist the inconvenience of arranging a plurality of coders. The mode switching switch is composed of a switch base, a contact piece and a pressing plate.

Description

Rotary encoder

The design belongs to a kind of encoder, especially refers to a kind of rotary encoder.The design can further link with a mode selector switch, and the inconvenient phenomenon of many encoders is set with improvement.

In daily life, the guidance panel of all computer monitors, TV or sound equipment all has the trace of encoder.In fact, encoder is broadly divided into two kinds of optical profile type or contacts, and wherein optical profile type is not the scope that the design inquires into, and does not intend giving unnecessary details at this.And so-called contact, it is the Metal Contact portion that on the rotating disk of encoder, is provided with the broach shape, when rolling disc during with main axis rotation, each contact point of this contact site then contacts with default connection point terminal formation on the coding pedestal, and between each signal terminal that coding pedestal one side is extended, produce electrical signal, if, promptly produce a phase difference, so that the shading value such as the display of computer is adjusted with disconnected (OFF) of these electrical signals with after opening (ON) signal and contrasting.General display mostly have contrast, shading value, width, highly, take back and take over etc. and adjust the setting of button, and respectively adjust button and all be connected with an encoder.

Flourish along with electronics technology, make the pulse generating device of encoder and general mode selector switch be able to combination, for example the patent No. that the applicant had is that 99244464.0 Chinese utility model patent " structure-improved of rotary encoder " is a remarkable example.This kind execution mode in the time of can allowing the user operate, can carry out option by the mode diverter switch of pushing encoder, makes the electrical signal of generation control and adjust by rotary pulsed generation device in addition, replaces really and commonly uses the inconvenient phenomenon of many settings of encoder.

The design's purpose provides a kind of rotary encoder, through medelling design, makes at fit on fasterly, and the thin type size that is possessed after the entire combination can provide the stability and the durability of electric equipment products.In addition, the design can further link with a mode selector switch, can improve the inconvenient phenomenon that many encoders are set.

For achieving the above object, the design adopts following technical scheme: rotary encoder comprises

One main shaft is a body of rod, and its bottom articulates with a rolling disc;

One rolling disc is a disk body, and its central authorities establish a post hole and link for main shaft, and card end face ring to establish a broach shape dish recessed, an annular disk groove is then established in the bottom surface, prominently in it establishes at least two dish tenons;

One connector loop for once stamping forming ring body, is placed in the dish groove, and its surface is established at least two and connect the hole, link for the intercalation of dish tenon, and its periphery isogonism radially extends three groups of oblique arc embolium, and the free distal process of each arc embolium is established an end and brushed;

One coding pedestal, it is a flat pedestal, the indoor isogonism of its end face seat is provided with fan-shaped a pair of first, second a contact portion that the broach shape arranges and the shared contact portion of being, for the contact respectively of the end of three groups of arc embolium brush, and each contact portion and pedestal extend laterally first, second terminal and a shared terminal outward separately;

One spacer for once stamping forming lamellar body, and is located between coding pedestal, rolling disc and the axle bed, and it is prominent that its inner ring body one pleurapophysis is established a ring, and this ring dash forward be buckled in coil recessed;

One axle bed is the support body once punching press and bending, and its central axis hole stretches out for the main shaft top, and extends two intermediate plates downwards with both side edges, extends a pinch therebetween in addition, after inside curved the analysing of this each intermediate plate, coding pedestal double team fixedly can be formed.

Wherein the main shaft two bottom sides is prominent separately establishes a hook portion, and it passes through the post hole of the dish post of rolling disc central authorities, and is combined as a whole with its root edge snapping.

Wherein and its each free distal process establishes end brush to the arc embolium of respectively organizing of connector loop for good with two, so that form stable contacting with each contact portion.

The base top surface of wherein encoding is prominent establishes at least two tenons, passes through the seat hole of the location hole and the axle bed of spacer respectively, to form preferred positioning.

Further comprise a mode selector switch, it comprises: a flat switch base of opening, and to establish one first and second in the round hole at its top respectively and connect the utmost point, these connect the utmost point and extend laterally one the 4th and five terminal separately; In addition a shallow disc shape Metal Contact sheet is inserted perforate, again an insulation pressing tablet is fixedly arranged on opening, and cover is drawn in the coding base bottom, and fix for each intermediate plate institute double team; Push main shaft, make the prominent top tenon of establishing in its bottom by the coding pedestal, but and the spring plate of pushing sheet central authorities, this shell fragment then further pushes contact chip, makes first and second to connect polar circuit and communicate, as option of operation.

Wherein these coding pedestal four corners are prominent separately establishes a seat leg, and that switch base is oppositely arranged end is recessed, chimeric in order to both.

Wherein the top tenon of this main shaft is the tool open-work catch by the post hole root edge of rolling disc, and is the limit of ending of pushing with catch.

Wherein the perforate periphery of switch base is established two seat pillars at least, and pressing tablet should be provided with film perforation in each seat pillar, in order to both combinations.

Wherein the perforate periphery of switch base gets and establishes a groove in addition, and pressing tablet is provided with a location lug corresponding to this groove, in order in conjunction with the time contraposition.

It is prominent that wherein the inboard central projection of shell fragment is established a slice, must push contact chip.

For further specifying the design's concrete technology contents, at first see also accompanying drawing, wherein:

Fig. 1 is the three-dimensional exploded view of the design's encoder and mode selector switch,

Fig. 2 is the three-dimensional exploded view at the design's rolling disc and another visual angle of connector loop,

Fig. 3 is the stereogram of the design's encoder,

Fig. 4 is the stereogram after Fig. 1 combination,

Fig. 5 is the profile of Fig. 4.

Shown in Fig. 1-3 and 5, the design is by a main shaft 1, one rolling disc 2, one connector loop 3, one coding pedestals 4, one spacers 5, and an axle bed 6 combines.Wherein, the design's encoder must link with a mode selector switch, and this mode selector switch is combined by a switch base 7, one contact chips 8 and a pressing tablet 9.

Wherein, main shaft 1 is a body of rod, and its two bottom sides is relatively extended a hook portion 11, and 11 of two hook portions longitudinal extension one convex top tenon 12 then.In addition, this main shaft 1 top one side is opened a tangent plane 13, for linking with known knob intercalation, to form interlock.

Rolling disc 2 is a disk body, and its central disc post 21 is established a post hole 22, for two hook portions 11 of main shaft 1 by and with its root edge snapping.In addition these post hole 22 root edges are established the catch 24 of a tool open-work 23, pass through for this top tenon 12, and when pushing main shaft 1 displacement end limit.In addition, it is recessed 25 that square rings such as disk body end face are established some broach dishes, then establishes two at least in the dish groove 26 of bottom surface, preferable three dish tenons 27 is set then, for after the connector loop 3 chatted link.

Connector loop 3 is once stamping forming metal ring body, and its surface is established two at least and connect hole 31, supplies 27 intercalations of dish tenon, and full wafer connector loop 3 is placed in the dish groove 26.In addition, these connector loop 3 isogonisms radially extend three groups of oblique arc embolium 32, and each prominent end brush 33 of establishing of its free end forms contact with two shared contact portions of the relative first and second contact portions 43,44 and one 45 of coding pedestal 4 respectively.Wherein, when each group arc embolium 32 is implemented, be good, and its end then respectively establish an end and brush 33, to guarantee forming preferable contact relation with three contacts with two.

Coding pedestal 4 is a thin type pedestal, for rolling disc 2 stride to, its end face is dashed forward at least and is established two tenons, and shared contact portion of first, second contact portion that 42 isogonisms in annular seating chamber of central authorities are provided with that fan-shaped a pair of broach shape arranges 44,43 and one 45, and extend laterally first and second terminal 431,441 and one shared terminal 451 respectively.When rolling disc 2 rotations, connector loop 3 is rotation synchronously also, and each the end brush 33 that makes its three groups of arc embolium 32 is respectively along first, second contact portion 43,44 and shared contact portion 45 top offsets, make each self-generating one electrical signal between the first terminal 431 and shared terminal 451 and second terminal 441 and the shared terminal 451, and with this two electrical signal relatively after, promptly produce a phase difference, so that to control and adjustment such as instrument board.In addition, be cross-placed on article for making this coding pedestal 4, on circuit board, perhaps further with after the mode selector switch limit knot chatted, so four corners are established a seat leg 46 respectively bottom it.

Spacer 5 is once stamping forming lamellar body, and its corner is established some location holes 51, and abutment tenon 41 passes through and locatees, and inner ring body 52 bottom surfaces are then prominent, and to establish a ring prominent 53, its be buckled in the dish recessed 25 of broach shape.When rolling disc 2 during with main shaft 1 rotation, each coils recessed 25 and is subjected to encircling prominent 53 snapping in rotary course, except that meeting forms paragraph sense, also forms simultaneously and stagnates locating effect.

Axle bed 6 is a support body, and its surperficial central projection is established the jack-post 61 of a tool axis hole 62, stretches out for main shaft 1, and corner is then established some holes 63, and abutment tenon 41 passes through and locatees.In addition, axle bed 6 both sides are extended two relative intermediate plates 64 respectively downwards, after bending inwards, and optionally with single coding pedestal 4 clampings, perhaps coding pedestal 4 after piling up and switch base 7 clampings.Moreover 64 of two intermediate plates extend a pinch 65 in addition, and it on circuit board, is fixed whole group coding device for being intercalated in article.

Through the explanation to said elements, it promptly forms encoder shown in Figure 3 after combination.

Please consult Fig. 1,4 and 5 again, for increasing the design's handoff functionality, also can reduce the setting of encoder, the design further comprises a mode selector switch, and it is combined by a switch base 7, one contact chips 8 and pressing tablet 9.

Wherein, switch base 7 is the pedestal of a thin type, and its four corner is respectively established an end recessed 71, seat leg 46 chimeric bindings with coding pedestal 4, make both piled up in conjunction with after, after the intermediate plate 64 of axle bed 62 both sides bends inwards, encode pedestal 4 and switch base 7 of clamping jointly.Wherein, this switch base 7 top tools one round hole 72 is respectively established one first and second and is met utmost point portion 73,74 in it, and one third and fourth terminal 731,741 that stretches out respectively.In addition the contact chip 8 with a shallow disc shape places in the perforate 72, again a pressing tablet periphery is dashed forward the film perforation 91 established respectively with 75 sockets of 72 default tenons of perforate, another location lug 92 places in the groove 76 of presetting, to guarantee the correct installation of pressing tablet 9.When pushing main shaft 1, top tenon 12 i.e. open-work 23 by rolling disc 2 bottoms, and touches catch 24, with as backstop; Top tenon 12 is the shell fragment 93 of pushing sheet 9 central authorities then, and makes the prominent 94 extruding contact chips 8 of sheet of its below, and makes its distortion, and connects 73,74 displacements of utmost point portion towards first and second, promptly forms circuit turn-on, so that carry out the option of operation item.

Enforcement through the design, make that the assembling of encoder is more convenient, and the compound mode of axle bed, coding pedestal and switch base can effectively reduce the height of each element as piling up building blocks, obtain the thin type requirement, and have the function of pulse generation and mode switch concurrently.In addition, each is organized the arc edge and stretches with two for good, to guarantee may cause because of abrasion institute the situation generation of loose contact.Moreover, because contact chip is a shallow disc shape, after being squeezed, resilience rapidly, and with main shaft involution original position, to guarantee the normal operation of mode switch function.

The design is more quick at fit on, and the thin type size that is possessed after the entire combination, can be assembled on the control panel such as LCD display or ultra-thinization sound equipment, and the stability and the durability of electric equipment products can further be provided simultaneously.

Claims

1, a kind of rotary encoder is characterized in that, comprising:

One axle bed is the support body once punching press and bending, and its central axis hole stretches out for the main shaft top, and extends two intermediate plates downwards with both side edges, extends a pinch therebetween in addition, and inwardly curved the analysing of this each intermediate plate fixed coding pedestal double team.

2, rotary encoder as claimed in claim 1 is characterized in that, wherein the main shaft two bottom sides is prominent separately establishes a hook portion, and its post hole of passing through the dish post of rolling disc central authorities combines with its root edge snapping.

3, rotary encoder as claimed in claim 1 is characterized in that, wherein connector loop respectively organize the arc embolium with two for good, and its each free distal process is established end brush and is stablized with each contact portion and contact.

4, rotary encoder as claimed in claim 1 is characterized in that, the base top surface of wherein encoding is prominent establishes at least two tenons, passes through the seat hole of the location hole and the axle bed of spacer respectively.

5, rotary encoder as claimed in claim 1, it is characterized in that it further comprises a mode selector switch, it comprises: a flat switch base of opening, establish one first and second in the round hole at its top respectively and connect the utmost point, these connect the utmost point and extend laterally one the 4th and five terminal separately; In addition a shallow disc shape Metal Contact sheet is inserted perforate, again an insulation pressing tablet is fixedly arranged on opening, and cover is drawn in the coding base bottom, and fix for each intermediate plate institute double team.

6, rotary encoder as claimed in claim 5 is characterized in that, wherein these coding pedestal four corners are prominent separately establishes a seat leg, and that switch base is oppositely arranged end is recessed chimeric mutually.

7, rotary encoder as claimed in claim 5 is characterized in that, wherein the top tenon of this main shaft is the tool open-work catch by the post hole root edge of rolling disc, and its catch is the limit of ending of pushing.

8, rotary encoder as claimed in claim 5 is characterized in that, wherein the perforate periphery of switch base is established two seat pillars at least, and pressing tablet should be provided with film perforation in each seat pillar.

9, rotary encoder as claimed in claim 5 is characterized in that, wherein the perforate periphery of switch base gets and establishes a groove in addition, and pressing tablet is provided with a location lug corresponding to this groove.

10, rotary encoder as claimed in claim 5 is characterized in that, it is prominent that wherein the inboard central projection of shell fragment is established the sheet of an extruding contact chip.