CN105070438A - Rotational potentiometer having high lubrication performance - Google Patents
Rotational potentiometer having high lubrication performance Download PDFInfo
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- CN105070438A CN105070438A CN201510455960.1A CN201510455960A CN105070438A CN 105070438 A CN105070438 A CN 105070438A CN 201510455960 A CN201510455960 A CN 201510455960A CN 105070438 A CN105070438 A CN 105070438A
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- upper shell
- polytetrafluorethylecoatings coatings
- fixed pin
- rotational potentiometer
- lower house
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Abstract
The invention discloses a rotational potentiometer having high lubrication performance. The rotational potentiometer comprises a lower shell and an upper shell, wherein a cavity is formed between the lower shell and the upper shell, a rotary shaft, a conductive rotation sheet, a first fixed pin piece, a second fixed pin piece, a movable pin piece and a circular arc resistor body are arranged in the cavity, the first fixed pin piece and the second fixed pin piece are respectively connected at the two ends of the circular arc resistor body, a shaft sleeve is arranged on the upper shell, the rotary shaft is matched with the shaft sleeve, a first polytetrafluoroethylene coating layer is arranged on the inner surface of the shaft sleeve, a second polytetrafluoroethylene coating layer is arranged on the side surface of a circular groove, a third polytetrafluoroethylene coating layer is arranged on the bottom surface of the rotary shaft, an air inlet through hole is arranged in each of the upper shell and the lower shell, an air outlet through hole is arranged in each of the upper shell and the lower shell, and the air inlet through holes and the air outlet through holes both are threaded holes and are blocked and sealed through bolts. Through the above mode, the rotational potentiometer has high automatic lubrication performance, is flexible to rotate and has no frictional noise.
Description
Technical field
The present invention relates to potentiometer technical field, particularly relate to the rotational potentiometer that a kind of greasy property is good.
Background technology
Potentiometer be there are three exits, resistive element that resistance can regulate by certain Changing Pattern.Potentiometer is made up of resistive element and moveable brush usually.
Potentiometer is installed in the enterprising enforcement use of various equipment, plays regulating action.The rotating shaft of existing rotational potentiometer can run into and rotate inflexible situation, causes wearing and tearing, and with friction noise, needs to drip a small amount of gasoline from rotating shaft and lubricate, cumbersome.
Summary of the invention
The technical problem that the present invention mainly solves is to provide the good rotational potentiometer of a kind of greasy property, simple and reasonable, has good self-lubricating property, flexible rotation, does not have friction noise.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide the rotational potentiometer that a kind of greasy property is good, comprise: lower house and upper shell, cavity is formed between described lower house and upper shell, described cavity inside is furnished with rotating shaft, conduction revolving fragment, the first fixed pin sheet, the second fixed pin sheet, dynamic pin sheet and circular arc resistance body, and described first fixed pin sheet and the second fixed pin sheet are connected to the two ends of circular arc resistance body;
Described upper shell has axle sleeve, and described rotating shaft matches with axle sleeve, has a circular groove bottom described lower house, and the bottom of described rotating shaft is arranged in described circular groove and matches with described circular groove;
The inner surface of described axle sleeve has the first polytetrafluorethylecoatings coatings, the side surface of described circular groove has the second polytetrafluorethylecoatings coatings, the bottom face of described rotating shaft has the 3rd polytetrafluorethylecoatings coatings;
Described upper shell and lower house are respectively provided with an air intake through hole, and described upper shell and lower house are respectively provided with an air outlet hole, and described air intake through hole and air outlet hole are screwed hole, and by bolt plug for seal.
In a preferred embodiment of the present invention, the thickness of described first polytetrafluorethylecoatings coatings is 30 ~ 40 microns.
In a preferred embodiment of the present invention, the thickness of described second polytetrafluorethylecoatings coatings is 30 ~ 40 microns.
In a preferred embodiment of the present invention, the thickness of described first polytetrafluorethylecoatings coatings is identical with the thickness of the second polytetrafluorethylecoatings coatings.
In a preferred embodiment of the present invention, the thickness of described 3rd polytetrafluorethylecoatings coatings is 20 ~ 30 microns.
The invention has the beneficial effects as follows: the rotational potentiometer that greasy property of the present invention is good, simple and reasonable, there is good self-lubricating property, flexible rotation, there is no friction noise.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of rotational potentiometer one preferred embodiment that greasy property of the present invention is good.
In accompanying drawing, the mark of each parts is as follows: 1, lower house, and 2, upper shell, 3, axle sleeve, 4, rotating shaft, 5, circular groove, 6, air intake through hole, 7, air outlet hole.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
The rotational potentiometer that a kind of greasy property is good, comprise: lower house 1 and upper shell 2, cavity is formed between described lower house and upper shell, described cavity inside is furnished with rotating shaft, conduction revolving fragment, the first fixed pin sheet, the second fixed pin sheet, dynamic pin sheet and circular arc resistance body, and described first fixed pin sheet and the second fixed pin sheet are connected to the two ends of circular arc resistance body.
Described upper shell 2 has axle sleeve 3, and described rotating shaft 4 matches with axle sleeve 3, has a circular groove 5 bottom described lower house, and the bottom of described rotating shaft 4 is arranged in described circular groove 5 and matches with described circular groove 5.
The inner surface of described axle sleeve 3 has the first polytetrafluorethylecoatings coatings, the side surface of described circular groove 5 has the second polytetrafluorethylecoatings coatings, the bottom face of described rotating shaft 4 has the 3rd polytetrafluorethylecoatings coatings, described first polytetrafluorethylecoatings coatings, the second polytetrafluorethylecoatings coatings and the 3rd polytetrafluorethylecoatings coatings have low-down coefficient of friction, thus make the present invention have good self-lubricating property, flexible rotation, does not have friction noise.
Described upper shell and lower house are respectively provided with an air intake through hole 6, described upper shell and lower house are respectively provided with an air outlet hole 7, described air intake through hole 6 and air outlet hole 7 are screwed hole, and by bolt plug for seal, only internal dust need be blown away by air intake through hole 6 and air outlet hole 7 during potentiometer maintenance, more convenient.
Preferably, the thickness of described first polytetrafluorethylecoatings coatings is 30 ~ 40 microns.
Preferably, the thickness of described second polytetrafluorethylecoatings coatings is 30 ~ 40 microns.
Preferably, the thickness of described first polytetrafluorethylecoatings coatings is identical with the thickness of the second polytetrafluorethylecoatings coatings.
Preferably, the thickness of described 3rd polytetrafluorethylecoatings coatings is 20 ~ 30 microns.
The invention has the beneficial effects as follows: the present invention is simple and reasonable to there is good self-lubricating property, flexible rotation, there is no friction noise.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. the rotational potentiometer that a greasy property is good, it is characterized in that, comprise: lower house and upper shell, cavity is formed between described lower house and upper shell, described cavity inside is furnished with rotating shaft, conduction revolving fragment, the first fixed pin sheet, the second fixed pin sheet, dynamic pin sheet and circular arc resistance body, and described first fixed pin sheet and the second fixed pin sheet are connected to the two ends of circular arc resistance body;
Described upper shell has axle sleeve, and described rotating shaft matches with axle sleeve, has a circular groove bottom described lower house, and the bottom of described rotating shaft is arranged in described circular groove and matches with described circular groove;
The inner surface of described axle sleeve has the first polytetrafluorethylecoatings coatings, the side surface of described circular groove has the second polytetrafluorethylecoatings coatings, the bottom face of described rotating shaft has the 3rd polytetrafluorethylecoatings coatings;
Described upper shell and lower house are respectively provided with an air intake through hole, and described upper shell and lower house are respectively provided with an air outlet hole, and described air intake through hole and air outlet hole are screwed hole, and by bolt plug for seal.
2. the rotational potentiometer that greasy property according to claim 1 is good, is characterized in that, the thickness of described first polytetrafluorethylecoatings coatings is 30 ~ 40 microns.
3. the rotational potentiometer that greasy property according to claim 1 is good, is characterized in that, the thickness of described second polytetrafluorethylecoatings coatings is 30 ~ 40 microns.
4. the rotational potentiometer that greasy property according to claim 1 is good, is characterized in that, the thickness of described first polytetrafluorethylecoatings coatings is identical with the thickness of the second polytetrafluorethylecoatings coatings.
5. the rotational potentiometer that greasy property according to claim 1 is good, is characterized in that, the thickness of described 3rd polytetrafluorethylecoatings coatings is 20 ~ 30 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510455960.1A CN105070438A (en) | 2015-07-30 | 2015-07-30 | Rotational potentiometer having high lubrication performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510455960.1A CN105070438A (en) | 2015-07-30 | 2015-07-30 | Rotational potentiometer having high lubrication performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105070438A true CN105070438A (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510455960.1A Pending CN105070438A (en) | 2015-07-30 | 2015-07-30 | Rotational potentiometer having high lubrication performance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845300A (en) * | 2016-05-25 | 2016-08-10 | 常州市武进凯利达电子有限公司 | Potentiometer with low frictional wear |
| CN105869805A (en) * | 2016-05-25 | 2016-08-17 | 常州市武进凯利达电子有限公司 | Self-lubricating type potentiometer |
| CN106229099A (en) * | 2016-08-29 | 2016-12-14 | 成都灯岛科技有限公司 | A kind of wear-resistant type potentiometer |
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| KR20030093365A (en) * | 2002-05-29 | 2003-12-11 | 김병만 | Variable resistor |
| CN201851506U (en) * | 2010-06-02 | 2011-06-01 | 四川永星电子有限公司 | Bearing used for angular-displacement potentiometer |
| CN102184764A (en) * | 2011-03-16 | 2011-09-14 | 宁波宏韵电子有限公司 | Full-plastic package potentiometer |
| CN202084368U (en) * | 2011-05-09 | 2011-12-21 | 天津市滨海电器有限公司 | Swinging arm slide wire type rheostat |
| CN104147889A (en) * | 2014-09-01 | 2014-11-19 | 陈学红 | Device for assisting dust raising of electrostatic fabric filter |
| CN204834224U (en) * | 2015-07-30 | 2015-12-02 | 常州市武进凯利达电子有限公司 | Rotary potentiometer that greasy property is good |
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2015
- 2015-07-30 CN CN201510455960.1A patent/CN105070438A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030093365A (en) * | 2002-05-29 | 2003-12-11 | 김병만 | Variable resistor |
| CN201851506U (en) * | 2010-06-02 | 2011-06-01 | 四川永星电子有限公司 | Bearing used for angular-displacement potentiometer |
| CN102184764A (en) * | 2011-03-16 | 2011-09-14 | 宁波宏韵电子有限公司 | Full-plastic package potentiometer |
| CN202084368U (en) * | 2011-05-09 | 2011-12-21 | 天津市滨海电器有限公司 | Swinging arm slide wire type rheostat |
| CN104147889A (en) * | 2014-09-01 | 2014-11-19 | 陈学红 | Device for assisting dust raising of electrostatic fabric filter |
| CN204834224U (en) * | 2015-07-30 | 2015-12-02 | 常州市武进凯利达电子有限公司 | Rotary potentiometer that greasy property is good |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845300A (en) * | 2016-05-25 | 2016-08-10 | 常州市武进凯利达电子有限公司 | Potentiometer with low frictional wear |
| CN105869805A (en) * | 2016-05-25 | 2016-08-17 | 常州市武进凯利达电子有限公司 | Self-lubricating type potentiometer |
| CN106229099A (en) * | 2016-08-29 | 2016-12-14 | 成都灯岛科技有限公司 | A kind of wear-resistant type potentiometer |
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| PB01 | Publication | ||
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Application publication date: 20151118 |