CN203415338U - Wheel potentiometer - Google Patents
Wheel potentiometer Download PDFInfo
- Publication number
- CN203415338U CN203415338U CN201320402581.2U CN201320402581U CN203415338U CN 203415338 U CN203415338 U CN 203415338U CN 201320402581 U CN201320402581 U CN 201320402581U CN 203415338 U CN203415338 U CN 203415338U
- Authority
- CN
- China
- Prior art keywords
- roller
- swing arm
- rotating shaft
- resistive element
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a wheel potentiometer. The wheel potentiometer comprises a base, a resistor body, a rotating shaft and a conducting rotary arm, wherein the resistor body is fixed on the base; a resistor head contact arm is arranged at one end of the resistor body, and a resistor tail contact arm is arranged at the other end of the resistor body; the rotating shaft is fixed in the center of the base, and a center shaft contact arm is arranged on the rotating shaft; one end of the conducting rotary arm is connected with the rotating shaft and can rotate around the rotating shaft, and a wheel is arranged at the other end of the conducting rotary arm; the wheel is contacted with the resistor body. According to the wheel potentiometer, the sliding friction between the conducting rotary arm and the resistor body is changed into rolling friction, and the service durability and stability of the wheel potentiometer are improved by improving the contact effect between the conducting rotary arm and the resistor body.
Description
Technical field
The utility model relates to technical field of electronic components, relates in particular to a kind of roller potentiometer.
Background technology
Potentiometer is a kind of conventional electronic devices and components, be widely used on the by-pass cock of various electric equipments, traditional potentiometer is to adopt the slip of conduction spiral arm on resistive element to regulate the size of current by potentiometer mostly at present, yet owing to being sliding friction between spiral arm and resistive element, in the course of time be easy to produce the situation of loose contact, cause electric current suddenly big or suddenly small very unstable.
Utility model content
The utility model provides a kind of roller potentiometer, by the one end at conduction spiral arm arrange roller make to conduct electricity spiral arm and and resistive element between sliding friction become rolling friction, and by spring being set in conduction spiral arm, roller is got a promotion with the effect that contacts between resistive element, when reducing friction, promote contact effect, increased the use durability degree of potentiometer.
Technical problem to be solved in the utility model is achieved through the following technical solutions:
Roller potentiometer, it is characterized in that: comprise pedestal, resistive element, rotating shaft, conduction spiral arm, described resistive element is fixed on pedestal, and one end of resistive element is provided with resistance cephalic tentacle, and the other end is provided with resistance tail tentacle, rotating shaft is fixed on the center of pedestal, on it, be also provided with axis tentacle, one end of conduction spiral arm is connected with rotating shaft, can rotate around rotating shaft, the other end is provided with roller, and roller contacts with resistive element.
Preferably, described pedestal is circular, and described resistive element is semicircle annular.
Preferably, described conduction spiral arm is comprised of axle head swing arm and wheel end swing arm, axle head swing arm inside is hollow, wheel end swing arm outer wall bore is slightly less than shaft part swing arm inwall bore, wheel end swing arm is inserted into axle head swing arm inside away from one end of roller, between axle head swing arm and wheel end swing arm, be also provided with spring, spring props up wheel end swing arm and makes roller and resistive element Elastic Contact.
Preferably, described rotating shaft, conduction spiral arm, roller are aluminium matter.
Preferably, the diameter 3mm of described roller.
Preferably, described pedestal is insulating ceramic film.
The beneficial effect that the utility model reaches is: by the one end at conduction spiral arm arrange roller make to conduct electricity spiral arm and and resistive element between sliding friction become rolling friction, and by spring being set in conduction spiral arm, roller is got a promotion with the effect that contacts between resistive element, when reducing friction, promote contact effect, extended the useful life of potentiometer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model roller potentiometer.
Embodiment
In order to further describe technical characterstic of the present utility model and effect, below in conjunction with the drawings and specific embodiments, the utility model is described further.
With reference to Fig. 1, the utility model roller potentiometer, comprise pedestal 1, resistive element 2, rotating shaft 3, conduction spiral arm, described resistive element is semicircle, be fixed on pedestal 1, pedestal 1 adopts circular insulating ceramic film, one end of resistive element 2 is provided with resistance cephalic tentacle 7, the other end is provided with resistance tail tentacle 9, rotating shaft 3 is fixed on the center of pedestal, on it, be also provided with axis tentacle 8, one end of conduction spiral arm is connected with rotating shaft 3, can rotate around rotating shaft 3, the other end is provided with the roller 6 that diameter is 3 mm, roller 6 contacts with resistive element 2, in order to allow roller 6 and resistive element 2 have the better effect that contacts, conduction spiral arm adopts two joint designs, described conduction spiral arm is comprised of axle head swing arm 4 and wheel end swing arm 5, axle head swing arm 4 inside are hollow, wheel end swing arm 5 outer wall bores are slightly less than shaft part swing arm 4 inwall bores, wheel end swing arm 5 is inserted into axle head swing arm 4 inside away from one end of roller, between axle head swing arm 4 and wheel end swing arm 5, be also provided with spring, the two connects by spring, spring props up wheel end swing arm 5 and makes roller 6 and be against on resistive element 2, and Elastic Contact with it, in order to arrive good conducting effect, rotating shaft 3, conduction spiral arm, roller 6 all adopts aluminium matter, during use, will hinder cephalic tentacle 7, axis tentacle 8, resistance tail tentacle 9 accesses respectively required circuit, by rotating rotating shaft 3, can be with moving conductive spiral arm mobile to regulate current potential on resistive element 2.
Above-described embodiment does not limit the utility model in any form, all take to be equal to replace or technical scheme that the form of equivalent transformation obtains, within all dropping on protection range of the present utility model.
Claims (6)
1. roller potentiometer, it is characterized in that: comprise pedestal, resistive element, rotating shaft, conduction spiral arm, described resistive element is fixed on pedestal, and one end of resistive element is provided with resistance cephalic tentacle, and the other end is provided with resistance tail tentacle, rotating shaft is fixed on the center of pedestal, on it, be also provided with axis tentacle, one end of conduction spiral arm is connected with rotating shaft, can rotate around rotating shaft, the other end is provided with roller, and roller contacts with resistive element.
2. roller potentiometer according to claim 1, is characterized in that: described pedestal is for circular, and described resistive element is semicircle annular.
3. roller potentiometer according to claim 1, it is characterized in that: described conduction spiral arm is comprised of axle head swing arm and wheel end swing arm, axle head swing arm inside is hollow, wheel end swing arm outer wall bore is slightly less than shaft part swing arm inwall bore, wheel end swing arm is inserted into axle head swing arm inside away from one end of roller, between axle head swing arm and wheel end swing arm, be also provided with spring, spring props up wheel end swing arm and makes roller and resistive element Elastic Contact.
4. roller potentiometer according to claim 1, is characterized in that: described rotating shaft, conduction spiral arm, roller are aluminium matter.
5. roller potentiometer according to claim 1, is characterized in that: the diameter 3mm of described roller.
6. roller potentiometer according to claim 1, is characterized in that: described pedestal is insulating ceramic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320402581.2U CN203415338U (en) | 2013-07-08 | 2013-07-08 | Wheel potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320402581.2U CN203415338U (en) | 2013-07-08 | 2013-07-08 | Wheel potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203415338U true CN203415338U (en) | 2014-01-29 |
Family
ID=49978212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320402581.2U Expired - Fee Related CN203415338U (en) | 2013-07-08 | 2013-07-08 | Wheel potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203415338U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489553A (en) * | 2013-07-08 | 2014-01-01 | 昆山福烨电子有限公司 | Potentiometer provided with roller |
| CN104008833A (en) * | 2014-06-09 | 2014-08-27 | 常州市零伍壹玖电子有限公司 | Roller contact-type potentiometer |
| CN108666059A (en) * | 2018-05-21 | 2018-10-16 | 苏州天鸿电子有限公司 | A kind of polycyclic adjustable electronic component |
-
2013
- 2013-07-08 CN CN201320402581.2U patent/CN203415338U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489553A (en) * | 2013-07-08 | 2014-01-01 | 昆山福烨电子有限公司 | Potentiometer provided with roller |
| CN104008833A (en) * | 2014-06-09 | 2014-08-27 | 常州市零伍壹玖电子有限公司 | Roller contact-type potentiometer |
| CN108666059A (en) * | 2018-05-21 | 2018-10-16 | 苏州天鸿电子有限公司 | A kind of polycyclic adjustable electronic component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20140708 |
|
| EXPY | Termination of patent right or utility model |