CN102803903B - Pot - Google Patents
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- Publication number
- CN102803903B CN102803903B CN201080025352.2A CN201080025352A CN102803903B CN 102803903 B CN102803903 B CN 102803903B CN 201080025352 A CN201080025352 A CN 201080025352A CN 102803903 B CN102803903 B CN 102803903B
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- Prior art keywords
- spring
- torsion spring
- rotary part
- shell
- circumferential
- Prior art date
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- 239000000758 substrate Substances 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000007935 neutral effect Effects 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/16—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
- G01D5/165—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance by relative movement of a point of contact or actuation and a resistive track
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/10—Elements for damping the movement of parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/16—Elements for restraining, or preventing the movement of, parts, e.g. for zeroising
- G01D11/18—Springs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Adjustable Resistors (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention provides a kind of pot, it is accommodated with in shell (20): be formed with the substrate (50) of resistance pattern (53,54), rotary part (40) and torsion spring (35), described rotary part (40) is fixed with slide unit (34), the turning axle (33) combined through torsion spring (35) and with rotary part (40) is given prominence to from shell (20), wherein, rotary part (40) possesses encirclement torsion spring (35) and is a pair spring guiding (42,43) of arc-shaped along the external diameter section of torsion spring.From the both ends (35a, 35b) that the radial direction of torsion spring (35) derives and spring lead (43) circumferential both ends of the surface (43a, 43b) and be provided projectingly on the circumferential both ends of the surface Elastic Contact in spring-loaded portion (25) of inner peripheral surface of shell (20), the lead both ends of the surface (43a, 43b) of (43) and both ends of the surface (25a, 25b) of spring-loaded portion (25) of spring are the shapes of carrying out point cantact with the both ends of torsion spring (35) (35a, 35b).In the pot possessing automatic return mechanism, loosening of the turning axle of neutral position can be prevented.
Description
Technical field
The present invention relates to a kind of pot, its position for various device is detected, and possesses the automatic return mechanism of turning axle.
Background technology
Fig. 1 represents the potentiometric exploded perspective view as described in the patent documentation 1 of this potentiometric conventional example.
In FIG, Reference numeral 11 is slide unit supports, has teat 11b the central portion of its base plate 11a is projecting, and from central portion upward, below is formed with axle 11c.Be equipped with a pair limiting wall 11d, 11e in the periphery of base plate 11a, keep the angle specified between the two.
Reference numeral 12 is torsion springs, it has winding teat 11b and coils the laminated section 12a of many figure, and at release end, there is top kink 12b, bottom kink 12c, Reference numeral 13 is shells of storage slide unit support 11, shell 13 has notch 13a, and the both sides of the edge of notch 13a are spring-loaded portion 13b, 13c.
Reference numeral 14 is fixed on the slide unit below slide unit support 11, and Reference numeral 15 is the insulated substrates of the open surface being fixed on shell 13.The resistance pattern 15a that slide unit 14 slides is formed on insulated substrate 15.
The axle 11c of the top of slide unit support 11 is supported on the hole 13d of shell 13, and the axle 11c of below is supported on the hole 15b of insulated substrate 15.As shown in Figure 2, the top kink 12b elasticity of torsion spring 12 extrudes and is locked on spring-loaded portion 13b and limiting wall 11d, and bottom kink 12c elasticity extrudes and is locked on spring-loaded portion 13c and limiting wall 11e.
In this pot, if make axle 11c rotate counterclockwise from the stationary state of Fig. 2, then as shown in Figure 3, the limiting wall 11e in the left side of slide unit support 11 extrudes the bottom kink 12c of torsion spring 12 counterclockwise by the elasticity of opposing torsion spring 12, the top kink 12b of torsion spring 12 is keeping under the state of spring-loaded portion 13b being locked to shell 13, and limiting wall 11d rotates counterclockwise.At this moment, slide unit 14 slides counterclockwise on resistance pattern 15a, is obtained the output signal of wishing by the change of resistance value.
At this, if the revolving force of removing axle 11c, extrude bottom kink 12c clockwise by the elastic recovering force of torsion spring 12, make slide unit support 11 and torsion spring 12 turn back to original stationary state of Fig. 2.
Similarly, if axle 11c rotates clockwise from the stationary state of Fig. 2, then the limiting wall 11d on the right side of slide unit support 11 extrudes the top kink 12b of torsion spring 12, the bottom kink 12c of torsion spring 12 is keeping under the state of spring-loaded portion 13c being locked to shell 13, and limiting wall 11e rotates clockwise.Thus, by making slide unit 14 slide counterclockwise on resistance pattern 15a, utilize the change of resistance value and obtain wish output signal.
At this, if shed the revolving force of axle 11c, then kink 12c in bottom utilizes the elastic restoring force of torsion spring 12 to extrude clockwise, and slide unit support 11 and torsion spring 12 return original stationary state of Fig. 2.
Similarly, if axle 11c rotates clockwise from the stationary state of Fig. 2, then the limiting wall 11d of the right of slide unit support 11 extrudes the top kink 12b of torsion spring 12, the bottom kink 12c of torsion spring 12 is keeping under the state of spring-loaded portion 13c being locked to shell 13, and limiting wall 11e rotates clockwise.Thus, by making slide unit 14 slide clockwise on resistance pattern 15a, and obtain the output signal of hope.
Prior art document
Patent documentation 1:(Japan) utility model logs in No. 2533523 publication
Summary of the invention
Invent technical matters to be solved
But, for the pot of said structure, because each end face of each end face being arranged at limiting wall 11d, 11e of slide unit support 11 and spring-loaded portion 13b, 13c of being arranged at shell 13 is all configured to plane, so the top kink 12b of torsion spring 12 and bottom kink 12c and these limiting walls 11d, 11e, contacting of spring-loaded portion 13b, 13c are linear contact lay substantially.
On the other hand, when being in stationary state (neutral position) of such as Fig. 2, owing to reliably not aliging in the face of the end face of limiting wall 11d, the 11e such as dimensional tolerence and the end face of spring-loaded portion 13b, 13c, namely, produce the state that interval between a pair limiting wall 11d, 11e is larger than the interval between a pair spring-loaded portion 13b, 13c, or contrary state.
At a pair limiting wall 11d, interval between 11e is greater than a pair spring-loaded portion 13b, when interval between 13c, produce the top kink 12b of torsion spring 12 and bottom kink 12c when the neutral position of Fig. 2 only with spring-loaded portion 13b, 13c Elastic Contact, and not with limiting wall 11d, the state of 11e contact, in addition, in contrast, at a pair limiting wall 11d, interval between 11e is less than a pair spring-loaded portion 13b, when interval between 13c, produce top kink 12b and bottom kink 12c only with limiting wall 11d, 11e Elastic Contact, and not with spring-loaded portion 13b, the state of 13c contact.
Because such state is the structure that top kink 12b and bottom kink 12c and limiting wall 11d, 11e, spring-loaded portion 13b, 13c carry out linear contact lay, so limit the shape of bearing of trend of top kink 12b, bottom kink 12c due to linear contact lay, that is, the problem of restriction flexure is produced.If produce such state, then when neutral position, the rotation of axle 11c is not completely restricted and produces loosening, and such problem can reduce accuracy of detection.
For the technical scheme of technical solution problem
The present invention makes in view of the above problems, and object is to provide a kind of pot, does not also make to produce at turning axle to loosen, and have good accuracy of detection even if it is in neutral position.
According to this invention, be accommodated with in shell: the substrate being formed with resistance pattern, be formed with the substrate of resistance pattern, rotary part and torsion spring, described rotary part is fixed with the slide unit be slidably connected with described resistance pattern, the turning axle be combined through described torsion spring and with described rotary part is given prominence to from described shell, wherein, rotary part possesses and surrounds torsion spring and lead along a pair spring that the external diameter section of torsion spring be arc-shaped, the circumferential both ends of the surface Elastic Contact in the spring-loaded portion of the circumferential both ends of the surface that a spring the both ends of deriving from the radial direction of torsion spring and a pair spring lead leads and the inner peripheral surface that is provided projectingly on shell, the circumferential both ends of the surface of a spring guiding and the circumferential both ends of the surface in spring-loaded portion carry out the shape of point cantact with the both ends of torsion spring respectively.
The effect of invention
In the invention, the both ends of the torsion spring of turning axle auto-returned are made to be the structure that the both ends of the surface in the spring-loaded portion of both ends of the surface and the shell led with the spring of rotary part carry out point cantact.Therefore, when being in neutral position, even if because the both ends of the surface of the spring guiding such as dimensional tolerence are not alignd with the both ends of the surface in spring-loaded portion, different from existing contact structure, owing to not limiting the shape at the both ends of torsion spring, and flexure can be expected, that is, the spring at the both ends and rotary part that can be obtained torsion spring by the flexure at both ends is led and the spring-loaded portion both sides of shell carry out the state of Elastic Contact well.Thus, according to the present invention, the rotary part of neutral position and the loosening of turning axle can be prevented, and this technical scheme can be utilized to obtain the high pot of accuracy of detection.
Accompanying drawing explanation
Fig. 1 is existing potentiometric exploded perspective view.
Fig. 2 is the cut-open view of the potentiometric stationary state (neutral position) shown in Fig. 1.
Fig. 3 is the cut-open view of the potentiometric operating state shown in Fig. 1.
Fig. 4 A is the stereographic map of the potentiometric embodiment representing this invention, and Fig. 4 B is its front view.
Fig. 5 A is the cut-open view of the C-C line of Fig. 4 B, and Fig. 5 B is the D-D line cut-open view of Fig. 4 B.
Fig. 6 is the potentiometric exploded perspective view shown in Fig. 4 A.
Fig. 7 is the figure for illustration of installing slide unit at rotary part.
Fig. 8 A is the cut-open view of turning axle when being in the state of neutral position, and Fig. 8 B is the enlarged drawing of this part.
Fig. 9 A is the cut-open view that turning axle is in the state rotated counterclockwise, and Fig. 9 B is the cut-open view that turning axle is in the state rotated clockwise.
Embodiment
With reference to accompanying drawing, by embodiment, this working of an invention mode is described.
Fig. 4 A, Fig. 4 B are the outward appearances of the potentiometric embodiment representing this invention, and Fig. 5 A, Fig. 5 B represent its cross-section structure.In addition, Fig. 6 is each several part representing decomposition.
Shell 20 has cylindric main body 21, is formed with square plate portion 22 in the rear side of main body 21 from its outer peripheral face is outstanding, is formed with large flange shape a pair installation portion 23 the front face side of main body 21 is outstanding from its outer peripheral face to mutually opposite direction.In addition, outstandingly before main body 21 stair-stepping cylindrical portion 24 is formed.
Be configured with bearing 31 in cylindrical portion 24 storage of shell 20, in addition, be configured with metal sleeve 32 in each sleeve hole 23a storage of a pair installation portion 23.Shell 20 and bearing 31 are made up of synthetic resin respectively, and in this embodiment, bearing 31 and sleeve 32 insert molding are in shell 20.In addition, although shell 20 and bearing 31 are all made up of synthetic resin, shell 20 uses high rigidity and the good resin of flame retardancy, and bearing 31 uses the resin that wearing quality is good.
Rotary part 40 has plate portion 41 and the outstanding a pair spring guiding 42,43 being formed at the one side in this plate portion 41, and is manufactured by synthetic resin.The section of a pair spring guiding 42,43 is respectively in arc-shaped, and this circular arc is positioned at circumferentially same.Plate portion 41 is in discoideus, and the part being positioned at the outer circumferential side of a spring guiding 43 is kerf.
Turning axle 33 is made of metal, and its one end is formed with elliptical section 33a, and gives prominence to the axle 33b being formed with path at the front end face of elliptical section 33a.The elliptical section 33a insert molding of turning axle 33 is in the plate portion 41 of rotary part 40 and form one with rotary part 40, and turning axle 33 is positioned at the center of circular arc being formed with spring guiding 42,43.In addition, the axle 33b being formed at the front end face of elliptical section 33a gives prominence to from the rear side in the plate portion 41 of rotary part 40.
In the rear side in the plate portion 41 of rotary part 40, slide unit 34 is installed.As shown in Figure 7, push nut press-in portion 44, hot riveting portion 45 and guide part 46 is formed with the back side in plate portion 41 is outstanding.Slide unit 34 is made up of the metal with springiness, and is formed with push nut portion 34a, riveted holes 34b and otch 34c.The push nut portion 34a of slide unit 34 is pressed into the push nut press-in portion 44 of rotary part 40, and makes the hot riveting portion 45 of rotary part 40 through riveted holes 34b, by hot riveting, slide unit 34 is fixed on rotary part 40.In addition, rotary part 40 guide part 46 and correspond to this guide part 46 slide unit 34 otch 34c as load slide unit 34 time guiding and work.
Torsion spring 35 is accommodated in the space in a pair spring guiding 42,43 of rotary part 40 through turning axle 33.A pair spring guiding 42,43 surrounds torsion spring 35 along the external diameter of torsion spring 35, thus torsion spring 35 and a pair spring lead 42,43 external and keep this state.
Turning axle 33 passes and axle is bearing in insert molding in the hole 31a of the bearing 31 of shell 20.In the cylindrical portion 24 of shell 20, be configured with lip seal 36 in the outside of bearing 31, and be configured with packing ring 37, the E type ring 38 of the movement limiting lip seal 36.E type ring 38 embeds the E type ring insertion groove 33c being arranged at turning axle 33.By the front face side of lip seal 36 capsul 20.
At the rear side peristome of the main body 21 of shell 20, substrate 50 is installed.Substrate 50 is made up of circular portion 51 and the square teat 52 given prominence to from the local of the periphery in this circular portion 51.A pair resistance pattern 53,54 in arc-shaped is concentrically formed in circular portion 51, but also be formed with conductive pattern 55 ~ 57, this conductive pattern 55 ~ 57 is connected with the two ends of each resistance pattern 53,54, and arrives the front end of teat 52 by annular portion 51.By printing, roasting is mixed into the resin plaster of such as carbon particle and forms resistance pattern 53,54, and by printing, roasting silver paste and form conductive pattern 55 ~ 57.
Be formed through the terminal insertion hole 58 of substrate 50 in the front end of each conductive pattern 55 ~ 57 respectively, rivet respectively at these terminal insertion holes 58 and terminal 61 is installed.In addition, in figure 6, the caulking part 61a of terminal 61 is in the shape after riveted joint.
Substrate 50 is pressed in the main body 21 of shell 20, and touches and be accommodated in portion of the touching 21a be arranged in main body 21.Thus, the slide unit 34 being installed on rotary part 40 is crimped on resistance pattern 53,54.In addition, surround axle 33b and give prominence to the opening 59 that the annulus 47 being formed at the rear side in the plate portion 41 of rotary part 40 is positioned at substrate 50.
At the rear side peristome of the main body 21 of shell 20, lid 62 is also installed.Hot riveting portion 21b in the main body 21 of shell 20 is arranged at and fixed cap 62 by hot riveting.Be formed with at the inner face of lid 62 the dead eye 62a that axle is supported with the axle 33b of the front end being formed at turning axle 33, axle 33b axle is supported on this dead eye 62a.
As shown in Fig. 5 A, 5B, being installed on coating around the lid 62 of shell 20 and being filled with cementing agent 63, carry out the rear side of capsul 20 thus.In addition, in this embodiment, in the inside of shell 20, the part at terminal 61 place is provided with spatial portion, as shown in Figure 5 B, also around terminal 61 and the surrounding of caulking part 61a be filled with cementing agent 63.Therefore, it is possible to firmly fix terminal 61 and prevent the movement between terminal 61.In addition, if terminal 61 is configured to such as, implements zinc-plated to carbon steel, then can stop the growth of zinc-plated whisker (ウ イ ス カ).
Then, with reference to Fig. 8 A, 8B, both ends 35a, 35b position in shell 20, the locking state of the radial direction derivation of subtend torsion spring 35 are described.
Fig. 8 A, 8B represent that turning axle 33 is positioned at the state of neutral position, both ends 35a, 35b of torsion spring 35 and the spring of rotary part 40 lead 43 circumferential both ends of the surface 43a, 43b Elastic Contact, and be provided projectingly on circumferential both ends of the surface 25a, the 25b Elastic Contact in the spring-loaded portion 25 of the inner peripheral surface of shell 20 with in arc-shaped.
Both ends 35a, the 35b of torsion spring 35, spring guiding both ends of the surface 43a, the 43b of 43 and both ends of the surface 25a, the 25b in spring-loaded portion 25 carry out by point cantact the structure that contacts.In this embodiment, end face 25a, the 25b in the respective end face of end 35a, 35b of torsion spring 35 and spring-loaded portion 25 carry out point cantact, between end 35a and end face 25a and be configured with the space of wedge-like of auxocardia in rotary part 40 between end 35b and end face 25b respectively.On the other hand, end face 43a, 43b of spring guiding 43 within it all side corner sections carry out point cantact with end 35a, 35b of torsion spring 35 respectively, are configured with the space of the wedge-like that the outer circumferential side to rotary part 40 expands between end 35a and end face 43a and between end 35b and end face 43b respectively.
Thus, because the both ends of the surface 43a of spring guiding 43, the both ends of the surface 25a in 43b and spring-loaded portion 25, 25b be respectively with the both ends 35a of torsion spring 35, 35b carries out the shape of point cantact, so the both ends 35a of torsion spring 35, 35b easily bends, therefore, when being in neutral condition, even if due to the both ends of the surface 43a of the spring guiding 43 such as dimensional tolerence, 43b not with the both ends of the surface 25a in spring-loaded portion 25, 25b aligns, also the both ends 35a of torsion spring 35 is utilized, the flexure of 35b, the both ends 35a of torsion spring 35 can be made, 35b and spring lead 43 and spring-loaded portion 25 Elastic Contact well, and do not produce loosening at rotary part 40 and turning axle 33.
In addition, in this embodiment, in order to make the space being configured with wedge-like between end 35a, 35b of torsion spring 35, at spring guiding both ends of the surface 43a, the 43b of 43 and both ends of the surface 25a, the 25b in spring-loaded portion 25, degree of tilt likely is set, that is, although be dip plane, it also can be such as curved surface.
Fig. 9 A, Fig. 9 B represent that turning axle 33 is in counterclockwise and right handed state respectively, in figure 9 a, the spring guiding 43 of rotary part 40 extrudes the end 35a of torsion spring 35 and resists its elasticity, and in figures 9 b and 9, the spring guiding 43 of rotary part 40 extrudes end 35b and resists its elasticity.Utilize the rotation of rotary part 40 that slide unit 34 is slided on the resistance pattern 53,54 of substrate 50, and the output signal of hope can be obtained by terminal 61.If remove the revolving force of turning axle 33, then the elastic restoring force of torsion spring 35 is utilized to make rotary part 40 and turning axle 33 return to the original neutral position shown in Fig. 8 A.
As previously discussed, according to the present embodiment, can prevent from producing loosening of turning axle 33 in neutral position.In addition, because torsion spring 35 is external and be held in a pair spring guiding 42,43 of rotary part 40, so the axle of spring can not be made to tilt, can't produce expect less than distortion, therefore, it is possible to obtain good verticity.
In addition, this pot is used for test example as the tread-on quantity etc. of the throttle of electric motor car, motor scooter etc.
Claims (2)
1. a pot, be accommodated with in its shell: be formed with the substrate of resistance pattern, rotary part and torsion spring, described rotary part is fixed with the slide unit be slidably connected with described resistance pattern, the turning axle be combined through described torsion spring and with described rotary part is given prominence to from described shell, describedly potentiometricly to be characterised in that
Described rotary part possesses and surrounds described torsion spring and lead along a pair spring that the external diameter section of described torsion spring be arc-shaped, and described torsion spring and described a pair spring lead external and keep,
The circumferential both ends of the surface Elastic Contact in the spring-loaded portion of the circumferential both ends of the surface that a spring the both ends of deriving from the radial direction of described torsion spring and described a pair spring lead leads and the inner peripheral surface that is provided projectingly on described shell,
The circumferential both ends of the surface of described spring guiding carry out point cantact with the both ends of described torsion spring respectively, and the circumferential both ends of the surface in described spring-loaded portion carry out the shape of point cantact with the front end at the described both ends of described torsion spring respectively, with the circumferential both ends of the surface in described spring-loaded portion respectively and the space formed respectively between the described both ends of described torsion spring from the front end at described both ends to the wedge shape of auxocardia described rotary part.
2. pot as claimed in claim 1, is characterized in that,
The circumferential both ends of the surface that a described spring leads within it all side corner sections carry out point cantact with the both ends of described torsion spring respectively.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009154817A JP5166363B2 (en) | 2009-06-30 | 2009-06-30 | Potentiometer |
| JP2009-154817 | 2009-06-30 | ||
| PCT/JP2010/056826 WO2011001733A1 (en) | 2009-06-30 | 2010-04-16 | Potentiometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102803903A CN102803903A (en) | 2012-11-28 |
| CN102803903B true CN102803903B (en) | 2015-09-30 |
Family
ID=43410817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080025352.2A Active CN102803903B (en) | 2009-06-30 | 2010-04-16 | Pot |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5166363B2 (en) |
| CN (1) | CN102803903B (en) |
| HK (1) | HK1176115A1 (en) |
| TW (1) | TWI470237B (en) |
| WO (1) | WO2011001733A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109891523B (en) * | 2016-11-16 | 2021-03-16 | 东京Cosmos电机株式会社 | Switching device for variable resistor |
| CN109906492B (en) * | 2016-11-16 | 2021-03-16 | 东京Cosmos电机株式会社 | Switching device for variable resistor |
| ES2728136B2 (en) * | 2018-04-20 | 2021-02-10 | Aragonesa De Componentes Pasivos S A | RETURNABLE CONTROL KNOB |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3968338A (en) * | 1974-08-13 | 1976-07-06 | Cts Corporation | Electrical switch control |
| CN1106158A (en) * | 1993-04-15 | 1995-08-02 | 松下电器产业株式会社 | Rotative electronic element |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2533523Y2 (en) * | 1991-09-09 | 1997-04-23 | アルプス電気株式会社 | Rotating electrical parts |
| JP3766207B2 (en) * | 1998-05-25 | 2006-04-12 | アルプス電気株式会社 | Composite operation type electric parts |
-
2009
- 2009-06-30 JP JP2009154817A patent/JP5166363B2/en active Active
-
2010
- 2010-04-16 CN CN201080025352.2A patent/CN102803903B/en active Active
- 2010-04-16 WO PCT/JP2010/056826 patent/WO2011001733A1/en active Application Filing
- 2010-04-27 TW TW99113324A patent/TWI470237B/en active
-
2013
- 2013-03-19 HK HK13103374.5A patent/HK1176115A1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3968338A (en) * | 1974-08-13 | 1976-07-06 | Cts Corporation | Electrical switch control |
| CN1106158A (en) * | 1993-04-15 | 1995-08-02 | 松下电器产业株式会社 | Rotative electronic element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102803903A (en) | 2012-11-28 |
| JP2011012978A (en) | 2011-01-20 |
| JP5166363B2 (en) | 2013-03-21 |
| WO2011001733A1 (en) | 2011-01-06 |
| TW201109679A (en) | 2011-03-16 |
| HK1176115A1 (en) | 2013-07-19 |
| TWI470237B (en) | 2015-01-21 |
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