CN108461241A - A kind of rotating potentiometer - Google Patents
A kind of rotating potentiometer Download PDFInfo
- Publication number
- CN108461241A CN108461241A CN201810231113.0A CN201810231113A CN108461241A CN 108461241 A CN108461241 A CN 108461241A CN 201810231113 A CN201810231113 A CN 201810231113A CN 108461241 A CN108461241 A CN 108461241A
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- pedestal
- waterproof cover
- shaft
- connecting pin
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/32—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/022—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being openable or separable from the resistive element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/024—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
Abstract
The present invention relates to a kind of rotating potentiometers.The rotating potentiometer includes shaft, axle sleeve and pedestal, and cavity is formed between axle sleeve and pedestal, and the lower end of shaft is entered by the muzzle that is inserted in of axle sleeve in cavity.Resistance board, reed and contact are provided in cavity.Resistance board is fixed in axle sleeve, and reed is fixed on pedestal, and one end of contact is connect with reed, and the other end is arranged in the axis hole of shaft.It is cased with the waterproof cover of trough body structure outside axle sleeve and pedestal, gasket is provided between waterproof cover and axle sleeve and the side wall of pedestal, is fixedly connected by connecting pin between waterproof cover and axle sleeve.The rotating potentiometer is additionally provided with connecting terminal, and one end of connecting terminal is connect with resistance board, and the other end is exposed on the outside of waterproof cover.The rotating potentiometer is simple in structure, has excellent sealing performance, effectively increases stability and reliability when potentiometer work, extends the service life of potentiometer.
Description
Technical field
The present invention relates to a kind of potentiometers, and in particular to a kind of rotating potentiometer.
Background technology
Potentiometer is a kind of adjustable electronic component.It is made of a resistive element and a rotation or sliding system.
When an additional voltage between two fixed contacts of resistive element, contact is changed on resistive element by rotation or sliding system
Position, the voltage with movable contact position at certain relationship can be obtained between movable contact and fixed contact.Currently, electric
Position device is used as to switch the effects that being widely used in a variety of different electric appliances, primarily serving voltage switching, volume control.Electric rotating
Position device is common potentiometer type, and resistor disc pedestal and the axle sleeve of conventional rotational potentiometer are injected separately, potentiometer
After prolonged use, due to poor sealing, inside is easy the dust that makes moist and accumulate so that occurs between shaft and resistance board
The brouhaha of friction, not only reduces the stability and reliability of rotational potentiometer work, and shortens the use of potentiometer
Service life.
Invention content
The technical problem to be solved in the present invention is to provide a kind of rotating potentiometer, rotating potentiometer conjunctions simple in structure
Reason has excellent sealing performance, effectively increases stability and reliability when potentiometer work, extends making for potentiometer
Use the service life.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of rotating potentiometer, including shaft, axle sleeve and pedestal form cavity, axle sleeve upper end between axle sleeve and pedestal
Be provided with the matched set entrance of shaft, the lower part of shaft is provided with axis hole, and the lower end of shaft is entered by the muzzle that is inserted in of axle sleeve
In above-mentioned cavity.Resistance board, reed and contact are provided in the cavity；Resistance board is fixed in axle sleeve, the resistance of resistance board
Value drives axle sleeve rotation to change by rotating shaft；Reed is fixed on pedestal, and one end of contact is connect with reed, the other end
It is arranged in the axis hole of shaft.The waterproof cover of trough body structure is cased with outside the axle sleeve and pedestal, the upper end of waterproof cover is higher than axle sleeve
With the junction of pedestal, it is provided with gasket between waterproof cover and axle sleeve and the side wall of pedestal, passes through company between waterproof cover and axle sleeve
Outbound is fixedly connected.The rotating potentiometer is additionally provided with connecting terminal, and one end of connecting terminal is connect with resistance board, the other end
Expose on the outside of waterproof cover and be used to connect with external devices, the upper end of above-mentioned gasket is less than the setting of connecting pin and connecting terminal
Place.
In above-mentioned technical proposal：
Further, the junction of the axle sleeve and connecting pin is set as the groove of axle sleeve lateral wall, waterproof cover with connect
The junction of pin is disposed through the through-hole of waterproof cover side wall, and one of connecting pin is set in the through-hole, and other end is set to
In the groove of above-mentioned axle sleeve and be coated with spring, the connecting pin in groove is provided with the clamp of protrusion, clamp across spring and incite somebody to action
Spring is fixed with connecting pin.Using the connection structure, it can ensure that axle sleeve and waterproof cover are fastenedly connected and are convenient to prevent
Installation, the dismounting of water cover and gasket, and it is convenient to the repair of the rotating potentiometer.
Further, the reed is fixed in by fixing piece on pedestal.Further, the fixing piece is rivet.
Preferably, the material of the gasket is rubber.
Preferably, the thickness of the gasket is 0.5~3mm.
Beneficial effects of the present invention are：
The rotating potentiometer of the present invention is pressed from both sides by the way that waterproof cover is arranged outside axle sleeve and pedestal between waterproof cover and axle sleeve
If the mode of gasket effectively increases the leakproofness of rotating potentiometer, making moist inside potentiometer and dust accumulation are avoided, effectively
The stability and reliability when potentiometer work are improved, the service life of potentiometer is extended；And the rotating potentiometer
Simple and reasonable, assembly connection is convenient and efficient, and stable connection is reliable, and performance is stablized, and is applicable to various electric appliances and uses field
Institute.
Description of the drawings
Fig. 1 is the structural schematic diagram of rotating potentiometer of the present invention.
Figure label is：1, shaft；2, axle sleeve；3, connecting terminal；4, contact；5, reed；6, fixing piece；7, pedestal；8、
Waterproof cover；9, connecting pin；10, gasket；11, spring；12, resistance board.
Specific implementation mode
With reference to embodiment, the concrete structure of description and interpretation rotating potentiometer of the present invention.
As shown in Figure 1, the rotating potentiometer of the present embodiment, including shaft 1, axle sleeve 2 and pedestal 7, axle sleeve 2 and pedestal 7
Between form cavity.2 upper end of axle sleeve be provided with 1 matched set entrance of shaft, the lower part of shaft 1 is provided with axis hole, and shaft 1
Lower end entered in above-mentioned cavity by the muzzle that is inserted in of axle sleeve 2.Resistance board 12, reed 5 and contact 4, resistance board are provided in cavity
12 are fixed in axle sleeve 2, and the resistance value of resistance board 12 drives the rotation of axle sleeve 2 to change by rotating shaft 1, and reed 5 is fixed in
On pedestal 7, one end of contact 4 is connect with reed 5, and the other end is arranged in the axis hole of shaft 1.
The waterproof cover 8 of trough body structure is cased with outside the axle sleeve 2 of the rotating potentiometer and pedestal 7.The upper end of waterproof cover 8 is higher than
The junction of axle sleeve 2 and pedestal 7.Gasket 10 is provided between waterproof cover 8 and axle sleeve 2 and the side wall of pedestal 7.Waterproof cover 8 and axis
It is fixedly connected by connecting pin 9 between set 2.
The rotating potentiometer is additionally provided with connecting terminal 3, and one end of connecting terminal 3 is connect with resistance board 12, the other end
Expose 8 outside of waterproof cover and is used to connect with external devices.The upper end of above-mentioned gasket 10 is less than connecting pin 9 and connecting terminal 3
At setting.
Wherein, the junction of axle sleeve 2 and connecting pin 9 is set as the groove of 2 lateral wall of axle sleeve, waterproof cover 8 and connecting pin 9
Junction is disposed through the through-hole of 8 side wall of waterproof cover.One of connecting pin 9 is set in the through-hole, and other end is set to
It states in the groove of axle sleeve 2 and is coated with spring 11.Connecting pin 9 in groove is provided with the clamp of protrusion, and clamp passes through spring 11
And spring 11 and connecting pin 9 are fixed.
Wherein, reed 5 is fixed in by fixing piece 6 on pedestal 7；Fixing piece 6 is rivet.The material of gasket 10 is rubber,
Its thickness is 0.5~3mm.
Claims (6)
1. a kind of rotating potentiometer, including shaft (1), axle sleeve (2) and pedestal (7), form between axle sleeve (2) and pedestal (7)
Cavity, axle sleeve (2) upper end is provided with and the matched set entrance of shaft (1), and the lower part of shaft (1) is provided with axis hole, and shaft (1)
Lower end entered in above-mentioned cavity by the muzzle that is inserted in of axle sleeve (2), it is characterised in that：Be provided in the cavity resistance board (12),
Reed (5) and contact (4), resistance board (12) are fixed in axle sleeve (2), and the resistance value of resistance board (12) passes through rotating shaft (1)
Axle sleeve (2) is driven to rotate to change, reed (5) is fixed on pedestal (7), and one end of contact (4) is connect with reed (5), another
End is arranged in the axis hole of shaft (1)；The waterproof cover (8) of trough body structure, waterproof cover are cased with outside the axle sleeve (2) and pedestal (7)
(8) upper end is higher than the junction of axle sleeve (2) and pedestal (7), is set between waterproof cover (8) and axle sleeve (2) and the side wall of pedestal (7)
It is equipped with gasket (10), is fixedly connected by connecting pin (9) between waterproof cover (8) and axle sleeve (2)；The rotating potentiometer is also set up
There are connecting terminal (3), one end of connecting terminal (3) to be connect with resistance board (12), the other end exposes on the outside of waterproof cover (8) and is used for
It is connect with external devices, at setting of the upper end less than connecting pin (9) and connecting terminal (3) of above-mentioned gasket (10).
2. rotating potentiometer according to claim 1, it is characterised in that：The connection of the axle sleeve (2) and connecting pin (9)
Place is set as the groove of axle sleeve (2) lateral wall, and the waterproof cover (8) and the junction of connecting pin (9) are disposed through waterproof cover
(8) one of the through-hole of side wall, connecting pin (9) is set in the through-hole, other end be set in the groove of above-mentioned axle sleeve (2) and
Be coated with spring (11), the connecting pin (9) in groove is provided with the clamp of protrusion, clamp pass through spring (11) and by spring (11)
It is fixed with connecting pin (9).
3. rotating potentiometer according to claim 1, it is characterised in that：The reed (5) is affixed by fixing piece (6)
In on pedestal (7).
4. rotating potentiometer according to claim 3, it is characterised in that：The fixing piece (6) is rivet.
5. rotating potentiometer according to claim 1, it is characterised in that：The material of the gasket (10) is rubber.
6. rotating potentiometer according to claim 1 or 5, it is characterised in that：The thickness of the gasket (10) be 0.5~
3mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231113.0A CN108461241A (en) | 2018-03-20 | 2018-03-20 | A kind of rotating potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231113.0A CN108461241A (en) | 2018-03-20 | 2018-03-20 | A kind of rotating potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108461241A true CN108461241A (en) | 2018-08-28 |
Family
ID=63237514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810231113.0A Pending CN108461241A (en) | 2018-03-20 | 2018-03-20 | A kind of rotating potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108461241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2021140935A1 (en) * | 2020-01-09 | 2021-07-15 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM340533U (en) * | 2008-03-28 | 2008-09-11 | Mikeohm Corp | Structure improvement of variable resistor |
| CN202025586U (en) * | 2011-03-16 | 2011-11-02 | 宁波宏韵电子有限公司 | Whole plastic encapsulated potentiometer |
| CN203444892U (en) * | 2013-07-18 | 2014-02-19 | 成都精容电子有限公司 | Rotary potentiometer |
| CN206572298U (en) * | 2016-12-06 | 2017-10-20 | 广东德洛斯照明工业有限公司 | A kind of spot light of structurally waterproof |
| CN207947130U (en) * | 2018-03-20 | 2018-10-09 | 广西钦州福晟电子有限公司 | A kind of rotating potentiometer |
-
2018
- 2018-03-20 CN CN201810231113.0A patent/CN108461241A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM340533U (en) * | 2008-03-28 | 2008-09-11 | Mikeohm Corp | Structure improvement of variable resistor |
| CN202025586U (en) * | 2011-03-16 | 2011-11-02 | 宁波宏韵电子有限公司 | Whole plastic encapsulated potentiometer |
| CN203444892U (en) * | 2013-07-18 | 2014-02-19 | 成都精容电子有限公司 | Rotary potentiometer |
| CN206572298U (en) * | 2016-12-06 | 2017-10-20 | 广东德洛斯照明工业有限公司 | A kind of spot light of structurally waterproof |
| CN207947130U (en) * | 2018-03-20 | 2018-10-09 | 广西钦州福晟电子有限公司 | A kind of rotating potentiometer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2021140935A1 (en) * | 2020-01-09 | 2021-07-15 | ||
| WO2021140935A1 (en) * | 2020-01-09 | 2021-07-15 | 株式会社島津製作所 | Centrifugal field-flow fractionation device |
| JP7294457B2 (en) | 2020-01-09 | 2023-06-20 | 株式会社島津製作所 | Centrifugal flow field fractionator |
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