CN104064299A - Direct-adjustment ball potentiometer - Google Patents
Direct-adjustment ball potentiometer Download PDFInfo
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- CN104064299A CN104064299A CN201410267385.8A CN201410267385A CN104064299A CN 104064299 A CN104064299 A CN 104064299A CN 201410267385 A CN201410267385 A CN 201410267385A CN 104064299 A CN104064299 A CN 104064299A
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- ball
- fixed
- guide rod
- potentiometer
- case
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Abstract
The invention discloses a direct-adjustment ball potentiometer which comprises a housing, a fixed rod, an adjustment guide rod, an adjustment ring, a strip-type resistor and an insulation base, wherein the insulation base is fixed on the side wall of the lower end of the housing; the strip-type resistor is fixed on the insulation base; one end of the fixed rod is fixed on the top wall in the housing, and annular convex teeth are arranged on the outer side wall of the other end of the fixed rod; the fixed rod is internally hollow; the adjustment ring comprises a clamping end and a screwing end; clamping slots corresponding to the annular convex teeth are formed in the inner side wall of the clamping end; corresponding threads are arranged on the inner side wall of the screwing end and the outer side wall of the adjustment guide rod; the clamping end of the adjustment ring is clamped on the annular convex teeth through the clamping slots; the outer side wall of the adjustment guide rod is sleeved by the screwing end of the adjustment ring sleeves through the threads. By the adoption of the strip-type resistor, the direct-adjustment ball potentiometer is convenient for production; a ball replaces the conventional electric brush, so that sliding friction with a resistor body is changed into rolling friction; furthermore, the adjustment guide rod can be driven to precisely and stably adjust a potential by rotating the adjustment ring.
Description
Technical field
The present invention relates to technical field of electronic components, relate in particular to a kind of straight ball potentiometer of adjusting.
Background technology
Potentiometer is very common a kind of electronic devices and components all in a lot of electric equipments, normally being used as by-pass cock uses, the resistive element of the potentiometer on market is to adopt circulus mostly now, easy to adjust, but annular electro resistance body is relative complex in manufacturing, and cost is higher, and easily damage when in use, owing to being sliding friction between brush and resistive element, easily loose contact afterwards year in and year out.
Summary of the invention
in order to solve existing the problems referred to above, the invention provides a kind of straight ball potentiometer of adjusting, adopt strip resistance body, easily manufactured, and employing is stablized accurate adjusting device and can be regulated accurately current potential, and replace brush with ball, made the sliding friction between brush and resistive element become rolling friction.
Technical problem to be solved by this invention is achieved through the following technical solutions:
A kind of straight ball potentiometer of adjusting, comprise case, fixed lever, regulate guide rod, adjustable ring, strip resistance, insulating base, insulating base is fixed on the madial wall of case lower end, strip resistance is fixed on insulating base, described case is cylinder type, one end of fixed lever is fixed in case inner top wall, the lateral wall of the other end is provided with the protruding tooth of ring-type, fixed lever inner hollow, regulate the external diameter of guide rod to be less than the internal diameter of fixed lever, described adjustable ring comprises joint end and is spirally connected end, joint end madial wall is provided with the draw-in groove corresponding with the protruding tooth of ring-type, the madial wall of holding that is spirally connected is provided with mutual corresponding screw thread with the lateral wall that regulates guide rod, the joint end of adjustable ring is stuck on the protruding tooth of ring-type by draw-in groove, the end that is spirally connected is regulating on the lateral wall of guide rod by thread bush, the madial wall of fixed lever be provided with two with the guide rail of its axially parallel, regulate the lateral wall of guide rod to be provided with the guide groove corresponding with guide rail, guide rail card is in guide groove, one side of adjustable ring is exposed outside case by the opening on case sidewall, regulate the sidewall of a side of the lower surface phase strip resistance of guide rod to be provided with conductive bead holder, on the sidewall of a side of strip resistance, be fixed with lever bracket dorsad, the opposite side of lever bracket contacts with case madial wall, pearl jacking end is provided with ball, between ball and pearl backing wall, be provided with spring, ball is pressed on strip resistance.
Preferably, the lateral wall of described adjustable ring is provided with coarse decorative pattern.
Preferably, described insulating base adopts potsherd.
Preferably, described adjusting guide rod and fixed lever are stainless steel.
Preferably, the width of the protruding tooth of described ring-type is 1mm.
Preferably, the contact-making surface of the surface of described guide rail and lever bracket and case madial wall all scribbles lubricating oil.
Preferably, the case madial wall of described lever bracket below is provided with guide vane end stop.
The beneficial effect that the present invention reaches is: adopt ball to replace traditional brush, sliding friction has been become to rolling friction, make original rigidity contact become Elastic Contact, reduce the probability of long-term use loose contact, and drive and regulate guide rod accurate mobile to reach the effect of precise and stable adjusting current potential by the rotation of adjustable ring, and adopt strip resistance, easily manufactured, not fragile in the process of use.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged drawing of a in Fig. 1;
Fig. 3 is the structural representation that fixed lever of the present invention, adjusting guide rod and adjustable ring are assembled together;
Fig. 4 is the structural representation of fixed lever;
Fig. 5 is the sectional view of adjustable ring;
Fig. 6 is the structural representation that adjustable ring of the present invention exposes the one side outside case.
embodiment
In order to further describe technical characterstic of the present invention and effect, below in conjunction with the drawings and specific embodiments, the present invention is described further.
With reference to Fig. 1-Fig. 6, a kind of straight ball potentiometer of adjusting, comprise case 1, fixed lever 2, regulate guide rod 3, adjustable ring 4, strip resistance 5, insulating base 6, insulating base 6 is fixed on the madial wall of case 1 lower end, strip resistance 5 is fixed on insulating base 6, described case 1 is cylinder type, one end of fixed lever 2 is fixed in case 1 inner top wall, the lateral wall of the other end is provided with the protruding tooth 21 of ring-type, fixed lever 2 inner hollow, regulate the external diameter of guide rod 3 to be less than the internal diameter of fixed lever 2, described adjustable ring 4 comprises joint end 41 and the end 42 that is spirally connected, joint end 41 madial walls are provided with the draw-in groove 411 corresponding with the protruding tooth 21 of ring-type, end 42 the madial wall that is spirally connected is provided with mutual corresponding screw thread with the lateral wall of adjusting guide rod 3, the joint end 41 of adjustable ring 4 is stuck on the protruding tooth of ring-type 21 by draw-in groove 411, the end 42 that is spirally connected is regulating on the lateral wall of guide rod 3 by thread bush, the madial wall of fixed lever 2 be provided with two with the guide rail 22 of its axially parallel, the lateral wall of adjusting guide rod 3 is provided with the guide groove 31 with guide rail 22 correspondences, guide rail 22 is stuck in guide groove 31, one side of adjustable ring 4 is exposed outside case 1 by the opening on case 1 sidewall, regulate the sidewall of a side of the lower surface phase strip resistance 5 of guide rod 3 to be provided with conductive bead holder 7, on the sidewall of a side of strip resistance 5, be fixed with lever bracket 8 dorsad, the opposite side of lever bracket 8 contacts with case 1 madial wall, pearl holder 7 tops are provided with ball, between ball 71 and pearl holder 7 diapires, be provided with spring, ball 71 is pressed on strip resistance 5.
Further, the lateral wall of described adjustable ring 4 is provided with coarse decorative pattern.
Further, described insulating base 6 adopts potsherd.
Further, described adjusting guide rod 3 is stainless steel with fixed lever 2.
Further, the width of the protruding tooth 21 of described ring-type is 1mm.
Smooth and easy for what ensure to regulate, the contact-making surface of the surface of described guide rail and lever bracket and case madial wall all scribbles lubricating oil.
Further, the case madial wall of described lever bracket below is provided with guide vane end stop.
When use, the adjustable ring 4 that exposes case 1 part by stirring makes to regulate guide rod 3 to stretch up and down, when adjustable ring 4 being rotated due to the restriction of the protruding tooth 21 of ring-type and draw-in groove 411 and the cooperation of guide rail 22 guide grooves 31, can not drive and regulate guide rod 3 to rotate, but can make its in the vertical direction stablize more smooth and easy movement, thereby drive the rolling of ball 71 on strip resistance 5 to reach the effect of doing of stable regulation current potential, owing to being Elastic Contact between ball 71 and strip resistance 5, even if use to appoint so long-time and so can ensure close contact, can not come in contact bad situation.
Above-described embodiment does not limit the present invention in any form, and all technical schemes of taking the form that is equal to replacement or equivalent transformation to obtain, within all dropping on protection scope of the present invention.
Claims (7)
1. the straight ball potentiometer of adjusting, it is characterized in that: comprise case (1), fixed lever (2), regulate guide rod (3), adjustable ring (4), strip resistance (5), insulating base (6), insulating base (6) is fixed on the madial wall of case (1) lower end, strip resistance (5) is fixed on insulating base (6), described case (1) is cylinder type, one end of fixed lever (2) is fixed in case (1) inner top wall, the lateral wall of the other end is provided with the protruding tooth of ring-type (21), fixed lever (2) inner hollow, regulate the external diameter of guide rod (3) to be less than the internal diameter of fixed lever (2), described adjustable ring (4) comprises joint end (41) and is spirally connected end (42), joint end (41) madial wall is provided with the draw-in groove (411) corresponding with the protruding tooth of ring-type (21), be spirally connected end (42) madial wall with regulate guide rod (3) lateral wall be provided with mutual corresponding screw thread, the joint end (41) of adjustable ring (4) is stuck on the protruding tooth of ring-type (21) by draw-in groove (411), the end (42) that is spirally connected is regulating on the lateral wall of guide rod (3) by thread bush, the madial wall of fixed lever (2) be provided with two with the guide rail (22) of its axially parallel, regulate the guide groove (31) that lateral wall is provided with and guide rail (22) is corresponding of guide rod (3), guide rail (22) is stuck in guide groove (31), one side of adjustable ring (4) is exposed outside case (1) by the opening on case (1) sidewall, regulate the sidewall of a side of the lower surface phase strip resistance (5) of guide rod (3) to be provided with conductive bead holder (7), on the sidewall of a side of strip resistance (5), be fixed with lever bracket (8) dorsad, the opposite side of lever bracket (8) contacts with case (1) madial wall, pearl holder (7) top is provided with ball, between ball (71) and pearl holder (7) diapire, be provided with spring, ball (71) is pressed in (5) on strip resistance.
2. one according to claim 1 is directly adjusted ball potentiometer, it is characterized in that: the lateral wall of described adjustable ring (4) is provided with coarse decorative pattern.
3. one according to claim 1 is directly adjusted ball potentiometer, it is characterized in that: described insulating base (6) adopts potsherd.
4. one according to claim 1 is directly adjusted ball potentiometer, it is characterized in that: described adjusting guide rod (3) is stainless steel with fixed lever (2).
5. want the one described in 1 directly to adjust ball potentiometer according to right, it is characterized in that: the width of the protruding tooth of described ring-type (21) is 1mm.
6. one according to claim 1 is directly adjusted ball potentiometer, it is characterized in that: the surface of described guide rail (22) and lever bracket (8) all scribble lubricating oil with the contact-making surface of case (1) madial wall.
7. one according to claim 1 is directly adjusted ball potentiometer, it is characterized in that: case (1) madial wall of described lever bracket (8) below is provided with guide vane end stop (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267385.8A CN104064299A (en) | 2014-06-16 | 2014-06-16 | Direct-adjustment ball potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267385.8A CN104064299A (en) | 2014-06-16 | 2014-06-16 | Direct-adjustment ball potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104064299A true CN104064299A (en) | 2014-09-24 |
Family
ID=51551969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410267385.8A Pending CN104064299A (en) | 2014-06-16 | 2014-06-16 | Direct-adjustment ball potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104064299A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347207B (en) * | 2014-09-30 | 2017-04-12 | 昆山福烨电子有限公司 | Double-rod direct regulating potentiometer |
| CN107307844A (en) * | 2017-07-21 | 2017-11-03 | 温州星康医学科技有限公司 | A kind of intelligent visual function preliminary examination instrument |
| CN115064327A (en) * | 2022-06-15 | 2022-09-16 | 成都宏明电子股份有限公司 | Rolling friction-based high-service-life high-precision multi-ring angular displacement potentiometer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207234U (en) * | 1987-06-22 | 1988-03-09 | 陈之辉 | Potentiometer |
| JPS63180902U (en) * | 1987-05-14 | 1988-11-22 | ||
| US4975677A (en) * | 1987-02-25 | 1990-12-04 | Fostex Corporation Of Japan | Guided variable resistor |
| CN201228758Y (en) * | 2008-03-14 | 2009-04-29 | 王梦鱼 | Interaction helical structure |
| CN204010870U (en) * | 2014-06-16 | 2014-12-10 | 苏州华徕光电仪器有限公司 | A kind of straight tune ball potentiometer |
-
2014
- 2014-06-16 CN CN201410267385.8A patent/CN104064299A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975677A (en) * | 1987-02-25 | 1990-12-04 | Fostex Corporation Of Japan | Guided variable resistor |
| JPS63180902U (en) * | 1987-05-14 | 1988-11-22 | ||
| CN87207234U (en) * | 1987-06-22 | 1988-03-09 | 陈之辉 | Potentiometer |
| CN201228758Y (en) * | 2008-03-14 | 2009-04-29 | 王梦鱼 | Interaction helical structure |
| CN204010870U (en) * | 2014-06-16 | 2014-12-10 | 苏州华徕光电仪器有限公司 | A kind of straight tune ball potentiometer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347207B (en) * | 2014-09-30 | 2017-04-12 | 昆山福烨电子有限公司 | Double-rod direct regulating potentiometer |
| CN107307844A (en) * | 2017-07-21 | 2017-11-03 | 温州星康医学科技有限公司 | A kind of intelligent visual function preliminary examination instrument |
| CN115064327A (en) * | 2022-06-15 | 2022-09-16 | 成都宏明电子股份有限公司 | Rolling friction-based high-service-life high-precision multi-ring angular displacement potentiometer |
| CN115064327B (en) * | 2022-06-15 | 2023-07-14 | 成都宏明电子股份有限公司 | High-service-life high-precision multi-turn angular displacement potentiometer based on rolling friction |
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Application publication date: 20140924 |