CN101866732A - Sealed precision potentiometer - Google Patents
Sealed precision potentiometer Download PDFInfo
- Publication number
- CN101866732A CN101866732A CN200910097585A CN200910097585A CN101866732A CN 101866732 A CN101866732 A CN 101866732A CN 200910097585 A CN200910097585 A CN 200910097585A CN 200910097585 A CN200910097585 A CN 200910097585A CN 101866732 A CN101866732 A CN 101866732A
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- CN
- China
- Prior art keywords
- footstalk
- pedestal
- reed
- shaft handle
- potentiometer
- 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.)
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Adjustable Resistors (AREA)
Abstract
The invention provides a sealed precision potentiometer which mainly comprises a base, wherein a shaft handle is arranged in the middle of the base; a panel is arranged at a position of the shaft handle, which is connected with the base; weighted rings are respectively arranged in an internal groove arranged on the shaft handle; lining plates are respectively arranged in the middle parts of the weighted rings and the shaft handle; the middle of the shaft handle is respectively provided with O-rings which are arranged from top to bottom and can reduce the contact area between the shaft handle and a shaft sleeve; the shaft sleeve is sheathed outside the shaft handle and clamping rings are respectively arranged at the two ends of the shaft sleeve; the bottom of the shaft handle is provided with a reed, a reed fixed sheet for fixing the reed, and a blocking piece for limiting the rotation angle of the shaft handle; and the bottom of the base is sheathed with a component housing which can wrap the whole bottom of the product and protect the inside thereof. The sealed precision potentiometer has the characteristics of simple structure, convenient use, good reliability, wide usage range, stable performance, long service life and the like.
Description
Technical field
What the present invention relates to is a kind of potentiometer, and especially a kind of potentiometer of sealed precision belongs to a kind of electronic devices and components.
Background technology
Potentiometer is the electronic devices and components that a kind of application is quite popularized, can there be bigger difference in its structure according to the difference of using, a small-sized potentiometer is wherein arranged, and it mainly is made up of the spring of carbon brush on the post of shell, lead-in wire, resistive element, swinging strut, pedestal and loading rotation and supporting carbon brush; Described pedestal forms for single injection-molded with lead-in wire.This potentiometer exists carbon brush as conductive arm, easily in use falls carbon dust, not only increases the resistance of resistor, and easily produce noise, and carbon plate is easily crushing in assembling process, and rate of finished products is low, lead-in wire mounting process complexity, the poor reliability of its contact, the volume of potentiometer product is bigger etc.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, and provide a kind of simple in structure, easy to use, good reliability, the scope of application is wide, stable performance, the sealed precision potentiometer of long service life.
The objective of the invention is to finish by following technical solution, it mainly includes a pedestal, the centre position of this pedestal is equipped with a footstalk, the position that this footstalk is connected with pedestal is provided with a panel, be separately installed with aggravating circle in the inside groove of on footstalk, offering, and a liner plate arranged respectively in the centre of aggravating circle and footstalk; In the centre position of footstalk (footstalk and shaft room) O type circle being set is sealed; Be equipped with axle sleeve in the footstalk outside.
The present invention is equipped with reed stator 3, stop tab 5 in order to limit the footstalk anglec of rotation that a reed 2, are used for fixing reed in the bottom of described footstalk, be with one in described base bottom and the whole bottom of product can be wrapped, and can protect the part case 6 of inside.
Described footstalk and described pedestal, case and panel seal with fluid sealant, and form the potentiometer of a sealing, by playing dustproof, dampproof effect after the sealing.
Pedestal of the present invention is to use phenolic moulding powder and metallic conductor through the thermosetting extrusion modling, and at least two terminals 4 on it are placed on the corresponding insert position, with other original paper extrusion modling in pedestal of thermosetting single lead screw ex truding briquetting machine.The present invention compared with prior art, have following technique effect: the one: matrix is to use high heat-resisting phenolic moulding powder and metallic conductor through the thermosetting extrusion modling, the printed resistor body forms again after the milling apparatus processing of special use, potentiometer can be used under rugged environment, temperature range will reach-55～120 ℃, and rated power also has significantly raising; And adopt the potentiometer of common matrix, maximum temperature can only reach 70 ℃, its performance also not through the matrix of thermosetting extrusion modling come stable.The 2nd: the derivation pin (terminal) of potentiometer is to be squeezed in through thermosetting to form integrative-structure in the matrix, has got rid of common potentiometer and has used riveted construction that the problem of loosening open circuit easily takes place after welding; Its quality is more reliable and more stable.Described integrative-structure is in advance three terminals to be placed on the corresponding plug-in position, use then thermosetting extrusion modling machine with other original papers in the matrix with the terminal extrusion modling.Terminal is difficult for loosening, connects more firmly, and performance is more stable; Described riveted construction is that terminal is riveted with lock seaming machine earlier, is welding moulding together with welding machine, and terminal is easily loosening, is easy to produce problems such as open circuit, and performance is also unstable.The 3rd: between the axle of potentiometer and axle, designed the weighting ring structure to reach the stability of under vibrations, wiping such as bump at adverse circumstances, using.Thereby prolonged the useful life of potentiometer; Described weighting ring structure is the cambered outwards ring structure of circular rings mid portion.The 4th: between axle and axle sleeve, sealing ring is set,, with fluid sealant whole potentiometer is formed seal between matrix, axle sleeve cover plate, become dustproof, a moistureproof structure at shell.It has simple in structure, and is easy to use, good reliability, and the scope of application is wide, stable performance, characteristics such as long service life.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Label in the accompanying drawing is: 1, pedestal, 2, reed, 3, the reed fixed head, 4, terminal, 5, stop tab, 6, case, 7, panel, 8, collar, 9, axle sleeve, 10, collar, 11, footstalk, 12, " O " type circle, 13, liner plate, 14, aggravating circle.
The present invention will be described in detail below in conjunction with accompanying drawing: shown in Figure 1, the present invention mainly includes a pedestal 1, the centre position of this pedestal 1 is equipped with a footstalk 11, the position that this footstalk 11 is connected with pedestal 1 is provided with a panel 7, be separately installed with aggravating circle 14 in the inside groove of on footstalk 11, offering, and a liner plate 13 arranged respectively in the centre of aggravating circle 14 and footstalk 11; Be respectively arranged with the O type circle 12 that can reduce contact area between footstalk and the axle sleeve up and down in the centre position of footstalk 11; Be equipped with axle sleeve 9 in footstalk 11 outsides, and collar 8,10 be housed respectively at axle sleeve 9 two ends.
The present invention is equipped with reed stator 3 that a reed 2, one be used for fixing reed 2, one in order to limit the stop tab 5 of footstalk 11 anglecs of rotation in the bottom of described footstalk 11, be with one in described pedestal 1 bottom and the whole bottom of product can be wrapped, and can protect the case 6 of inside.
Described footstalk 11 seals with described pedestal 1, case 6 and panel 7 usefulness fluid sealants, and forms the potentiometer of a sealing, by playing dustproof, dampproof effect after the sealing.
Claims (4)
1. sealed precision potentiometer, it mainly includes a pedestal, the centre position of this pedestal is equipped with a footstalk, it is characterized in that the position that this footstalk (11) is connected with pedestal (1) is provided with a panel (7), be separately installed with aggravating circle (14) in the inside groove of on footstalk (11), offering, and a liner plate (13) arranged respectively in the centre of aggravating circle (14) and footstalk (11); Be respectively arranged with the O type circle (12) that can reduce contact area between footstalk and the axle sleeve up and down in the centre position of footstalk (11); Be equipped with axle sleeve (9) in footstalk (11) outside, and collar (8,10) be housed respectively at axle sleeve (9) two ends.
2. sealed precision potentiometer according to claim 1; the bottom that it is characterized in that described footstalk (11) is equipped with reed stator (3) that a reed (2), one be used for fixing reed, one in order to limit the stop tab (5) of footstalk (11) anglec of rotation, is with one in described pedestal (1) bottom and the whole bottom of product can be wrapped, and can protect the case (6) of inside.
3. sealed precision potentiometer according to claim 2 is characterized in that described footstalk (11) and described pedestal (1), case (6) and panel (7) seal with fluid sealant, and forms the potentiometer of a sealing.
4. according to claim 1 or 2 or 3 described sealed precision potentiometers, it is characterized in that described pedestal (1) be with phenolic moulding powder and metallic conductor through the thermosetting extrusion modling after after the processing of special-purpose milling apparatus again the printed resistor body form, at least two terminals (4) on it are placed on the corresponding insert position, with other original paper extrusion modling with pedestal (1) lining of thermosetting single lead screw ex truding briquetting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100975852A CN101866732B (en) | 2009-04-16 | 2009-04-16 | Sealed precision potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100975852A CN101866732B (en) | 2009-04-16 | 2009-04-16 | Sealed precision potentiometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101866732A true CN101866732A (en) | 2010-10-20 |
| CN101866732B CN101866732B (en) | 2012-06-13 |
Family
ID=42958405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100975852A Expired - Fee Related CN101866732B (en) | 2009-04-16 | 2009-04-16 | Sealed precision potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101866732B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478649A (en) * | 2010-11-26 | 2012-05-30 | 益科博能源科技（上海）有限公司 | Measuring method of rotating potentiometer |
| CN102840873A (en) * | 2012-08-27 | 2012-12-26 | 宁波华宇电子有限公司 | Angular sensor |
| CN107575617A (en) * | 2017-10-10 | 2018-01-12 | 天津市博拿德执行器制造有限责任公司 | The mounting structure of YE inner potential device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2161974Y (en) * | 1993-05-10 | 1994-04-13 | 杨民 | Noiseless electric potential device |
| CN201440354U (en) * | 2009-04-16 | 2010-04-21 | 宁波宏韵电子有限公司 | Sealed precise potentiometer |
-
2009
- 2009-04-16 CN CN2009100975852A patent/CN101866732B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478649A (en) * | 2010-11-26 | 2012-05-30 | 益科博能源科技（上海）有限公司 | Measuring method of rotating potentiometer |
| CN102840873A (en) * | 2012-08-27 | 2012-12-26 | 宁波华宇电子有限公司 | Angular sensor |
| CN107575617A (en) * | 2017-10-10 | 2018-01-12 | 天津市博拿德执行器制造有限责任公司 | The mounting structure of YE inner potential device |
| CN107575617B (en) * | 2017-10-10 | 2019-02-26 | 天津市博拿德执行器制造有限责任公司 | The mounting structure of Electric Actuator inner potential device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101866732B (en) | 2012-06-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20140416 |