CN203415336U - Potentiometer - Google Patents
Potentiometer Download PDFInfo
- Publication number
- CN203415336U CN203415336U CN201320411000.1U CN201320411000U CN203415336U CN 203415336 U CN203415336 U CN 203415336U CN 201320411000 U CN201320411000 U CN 201320411000U CN 203415336 U CN203415336 U CN 203415336U
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- CN
- China
- Prior art keywords
- carbon plate
- switch
- axle core
- main body
- shell fragment
- 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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- Adjustable Resistors (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
A potentiometer relates to an electronic component, and comprises a central spindle assembly, carbon plate assemblies, an electric brush assembly and a switch assembly, wherein the central spindle assembly, the carbon plate assemblies and the switch assembly are arranged in sequence from bottom to top; the electric brush assembly is matched with the carbon plate assemblies; the central spindle assembly comprises a central spindle, a shaft sleeve and a backstop plate; the carbon plate assemblies comprise carbon plate bodies for mounting carbon plates, the carbon plates, and resistance terminals connected with the carbon plates; the electric brush assembly comprises a rolling element and an electric brush. The potentiometer is provided with a plurality of groups of carbon plate assemblies and the electric brush assembly, and can control two or more circuit units at the same time. The carbon plate bodies are coated with the resistance terminals; a switch body is coated with switch terminals. According to the potentiometer, the electrical performance is improved, the service life is prolonged, and the application is wide; the potentiometer is suitable for sounds, power amplifiers and the like.
Description
Technical field
The utility model relates to electronic devices and components, espespecially a kind of carbon film rotating potentiometer.
Background technology
Whether potentiometer quality good or not is mainly reflected in resistance value and whether variation is accurate, also have synchronism good.Meanwhile, also to adapt with using the specific requirement of object.In prior art, potentiometer comes with some shortcomings, as, the terminal being connected with carbon plate (be called resistance terminal, following with) in use for some time often with carbon plate loose contact, switch terminal in use for some time also often with switch shrapnel loose contact.And for example, a potentiometer generally can only be controlled a circuit unit, when two or more circuit lists of needs Synchronization Control, a plurality of potentiometers need to be installed, and the increase that takes up room, operates also not convenient.
Summary of the invention
The utility model technical issues that need to address be the potentiometer that overcomes prior art generally can only control a circuit unit, when needing two or more circuit units of Synchronization Control, deficiency that a plurality of potentiometers need to be installed, and overcome resistance terminal in use for some time often with carbon plate loose contact, switch terminal often with the deficiency of switch shrapnel loose contact, a kind of potentiometer is provided.One two or more circuit units of potentiometer energy Synchronization Control, resistance terminal contacts with carbon plate well, and switch terminal contacts well with switch shrapnel.
For this reason, a kind of potentiometer of the utility model adopts following technical proposals:
, comprising axle core component, carbon plate assembly, brush assembly of electric and switch module, axle core component, carbon plate assembly and switch module set gradually from bottom to top, and brush assembly of electric and carbon plate assembly are equipped with;
Axle core component comprises axle core, axle sleeve and stop tab, and axle core sleeve, in the axis hole of axle sleeve, is opened axis hole processed and passed and make stop tab to be installed on axle core by axle core in stop tab, and stop tab can be rotated with axle core; On axle sleeve, be provided with the stopper protrusion coordinating with stop tab;
Carbon plate assembly comprises installs carbon plate body, the carbon plate of carbon plate and the resistance terminal being connected with carbon plate, carbon plate body at least arranges one, on carbon plate body, opening axis hole processed passes by axle core, on carbon plate body, around its axis hole, be shaped with the pit that accommodating effect is installed, stop tab or carbon plate have been installed in pit; Plastic resistance terminal in carbon plate body, one end of resistance terminal is electrically connected to carbon plate, and the other end of resistance terminal stretches out carbon plate body and external circuit is equipped;
Brush assembly of electric comprises rotor and brush, and rotor piece shape shape is opened axis hole processed and passed by axle core on it, makes rotor and axle core be equipped with and rotate with axle core; Brush is installed in rotor and together with axle core, rotates; Brush assembly of electric is equipped on the described pit on carbon plate body, causes brush and carbon plate to form and electrically contacts.
Technique scheme is further elaborated:
Switch module comprises insulating pad, pressing tablet, pot shape shell fragment, substrate, Switch main body, switch terminal and switch shrapnel, and insulating pad, pressing tablet, pot shape shell fragment, substrate and Switch main body set gradually from below to up; Insulating pad is sticked at the upper surface of carbon plate body, opens axis hole processed and pass by axle core on insulating pad; Pressing tablet is connected in the upper end of axle core; Two switch shrapnels are installed on Switch main body, and Switch main body is plastic two switch terminals also, and two switch terminals one end is separately electrically connected to corresponding switch shrapnel respectively, and the two switch terminals other end and external circuit is separately equipped; Substrate is attached at the lower surface of Switch main body, is fixedly mounted with an annular sheet metal on substrate, and the switch shrapnel on this annular sheet metal and Switch main body electrically contacts; Pot shape shell fragment is attached at the lower surface of substrate and electrically contacts with described annular sheet metal, and pressing tablet is from below to up facing to pot shape shell fragment.Axle core is pressed described pressing tablet, and pressing tablet pushing pot shape shell fragment electrically contacts another switch shrapnel on pot shape shell fragment and Switch main body, and switch is switched on; Unclamp and press, because the elasticity of pot shape shell fragment resets, a pot shape shell fragment departs from and contacts with another switch shrapnel on Switch main body, and switch is disconnected.
The beneficial effects of the utility model are: one, the utlity model has many group carbon plate assemblies and brush assembly of electric, the potentiometer that has overcome prior art generally can only control a circuit unit, when needing two or more circuit units of Synchronization Control, deficiency that a plurality of potentiometers need to be installed, can two or more circuit units of Synchronization Control.They are two years old, resistance terminal of the present utility model is plastic in carbon plate body, switch terminal is plastic in Switch main body, the potentiometer that has overcome prior art in use for some time resistance terminal often with carbon plate loose contact, switch terminal often with the deficiency of switch shrapnel loose contact, its resistance terminal contacts with carbon plate well, switch terminal contacts with switch shrapnel well, and its electric property improves, and increase useful life.Its three, purposes is wide, is applicable to sound equipment, power amplifier etc.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram;
Fig. 2 is one of the utility model embodiment decomposing schematic representation;
Fig. 3 is two decomposing schematic representations of the utility model embodiment.
In figure: 1, axle core component; 11, axle core; 12, axle sleeve; 13, stop tab; 2, carbon plate assembly; 21, carbon plate body; 22, carbon plate; 21, resistance terminal; 24, pit; 3, brush assembly of electric; 31, rotor; 32, brush; 4, switch module; 41, insulating pad; 42, pressing tablet; 43, pot shape shell fragment; 44, substrate; 45, Switch main body; 46, switch terminal; 47, switch shrapnel; 48, annular sheet metal; 5, cover plate.
Embodiment
Below in conjunction with accompanying drawing, introduce embodiment of the present utility model.
Embodiment mono-
As shown in Fig. 1 and 2, a kind of potentiometer, comprises axle core component 1, carbon plate assembly 2, brush assembly of electric 3 and switch module 4, and axle core component 1, carbon plate assembly 2 and switch module 4 set gradually from bottom to top, and brush assembly of electric 3 is equipped with carbon plate assembly 4.
Brush assembly of electric 3 comprises rotor 31 and brush 32, and rotor 31 piece shape shapes, open axis hole processed and pass by axle core 11 on it, makes rotor 31 and axle core 11 be equipped with and rotate with axle core 11; Brush 32 is made the shape of setting by having flexible sheet metal, brush 32 be installed in rotor 31 and together with axle core 11 rotate (in the present embodiment, on the upper surface of rotor 31 and lower surface, be fixedly mounted with respectively one group of brush 32, and respectively with corresponding carbon plate configuration); Brush assembly of electric 3 is equipped on the described pit 23 on carbon plate body 21, causes brush 32 to form and electrically contact with carbon plate 22.
Embodiment bis-
As shown in Fig. 1 and 3, a kind of potentiometer, comprises axle core component 1, carbon plate assembly 2, brush assembly of electric 3 and switch module 4, and axle core component 1, carbon plate assembly 2 and switch module 4 set gradually from bottom to top, and brush assembly of electric 3 is equipped with carbon plate assembly 4.
Brush assembly of electric 3 comprises rotor 31 and brush 32, and rotor 31 piece shape shapes, open axis hole processed and pass by axle core 11 on it, makes rotor 31 and axle core 11 be equipped with and rotate with axle core 11; Brush 32 is made the shape of setting by having flexible sheet metal, and brush 32 is installed in rotor 31 and together with axle core 11, rotates (in the present embodiment, on the lower surface of rotor 31, being fixedly mounted with brush 32); Brush assembly of electric 3 is equipped on the described pit 23 on carbon plate body 21, causes brush 32 to form and electrically contact with carbon plate 22.
Upper surface at Switch main body 45 mounts cover cover plate 5, by rivet by cover plate 5, Switch main body 45, insulating pad 41, carbon plate body 21 and axle sleeve 11 rivet clasps together.
Claims (3)
1. a potentiometer, comprises axle core component, carbon plate assembly, brush assembly of electric and switch module, and axle core component, carbon plate assembly and switch module set gradually from bottom to top, and brush assembly of electric and carbon plate assembly are equipped with; It is characterized in that:
Axle core component comprises axle core, axle sleeve and stop tab, and axle core sleeve, in the axis hole of axle sleeve, is opened axis hole processed and passed and make stop tab to be installed on axle core by axle core in stop tab, and stop tab can be rotated with axle core; On axle sleeve, be provided with the stopper protrusion coordinating with stop tab;
Carbon plate assembly comprises installs carbon plate body, the carbon plate of carbon plate and the resistance terminal being connected with carbon plate, carbon plate body at least arranges one, on carbon plate body, opening axis hole processed passes by axle core, on carbon plate body, around its axis hole, be shaped with the pit that accommodating effect is installed, stop tab or carbon plate have been installed in pit; Plastic resistance terminal in carbon plate body, one end of resistance terminal is electrically connected to carbon plate, and the other end of resistance terminal stretches out carbon plate body and external circuit is equipped;
Brush assembly of electric comprises rotor and brush, and rotor piece shape shape is opened axis hole processed and passed by axle core on it, makes rotor and axle core be equipped with and rotate with axle core; Brush is installed in rotor and together with axle core, rotates; Brush assembly of electric is equipped on the described pit on carbon plate body, causes brush and carbon plate to form and electrically contacts.
2. a kind of potentiometer according to claim 1, it is characterized in that: switch module comprises insulating pad, pressing tablet, pot shape shell fragment, substrate, Switch main body, switch terminal and switch shrapnel, insulating pad, pressing tablet, pot shape shell fragment, substrate and Switch main body set gradually from below to up; Insulating pad is sticked at the upper surface of carbon plate body, opens axis hole processed and pass by axle core on insulating pad; Pressing tablet is connected in the upper end of axle core; Two switch shrapnels are installed on Switch main body, and Switch main body is plastic two switch terminals also, and two switch terminals one end is separately electrically connected to corresponding switch shrapnel respectively, and the two switch terminals other end and external circuit is separately equipped; Substrate is attached at the lower surface of Switch main body, is fixedly mounted with an annular sheet metal on substrate, and the switch shrapnel on this annular sheet metal and Switch main body electrically contacts; Pot shape shell fragment is attached at the lower surface of substrate and electrically contacts with described annular sheet metal, and pressing tablet is from below to up facing to pot shape shell fragment; Axle core is pressed described pressing tablet, and pressing tablet pushing pot shape shell fragment electrically contacts another switch shrapnel on pot shape shell fragment and Switch main body, and switch is switched on; Unclamp and press, pot shape shell fragment resets because of elasticity, another switch shrapnel disengaging on pot shape shell fragment and Switch main body, and switch is disconnected.
3. a kind of potentiometer according to claim 2, is characterized in that: the upper surface at Switch main body mounts cover cover plate, by rivet by cover plate, Switch main body, insulating pad, carbon plate body and axle sleeve rivet clasp together.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320411000.1U CN203415336U (en) | 2013-07-11 | 2013-07-11 | Potentiometer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320411000.1U CN203415336U (en) | 2013-07-11 | 2013-07-11 | Potentiometer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203415336U true CN203415336U (en) | 2014-01-29 |
Family
ID=49978210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320411000.1U Expired - Fee Related CN203415336U (en) | 2013-07-11 | 2013-07-11 | Potentiometer |
Country Status (1)
Country | Link |
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CN (1) | CN203415336U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107316725A (en) * | 2017-08-24 | 2017-11-03 | 东莞市尚利电子科技有限公司 | A kind of rotating potentiometer of belt switch |
CN111799050A (en) * | 2020-06-29 | 2020-10-20 | 四川华精创科电子科技有限公司 | Sealed potentiometer structure with switch |
CN113345669A (en) * | 2021-05-27 | 2021-09-03 | 刘峰铄 | High-precision potentiometer |
-
2013
- 2013-07-11 CN CN201320411000.1U patent/CN203415336U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107316725A (en) * | 2017-08-24 | 2017-11-03 | 东莞市尚利电子科技有限公司 | A kind of rotating potentiometer of belt switch |
CN111799050A (en) * | 2020-06-29 | 2020-10-20 | 四川华精创科电子科技有限公司 | Sealed potentiometer structure with switch |
CN113345669A (en) * | 2021-05-27 | 2021-09-03 | 刘峰铄 | High-precision potentiometer |
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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: 20150711 |
|
EXPY | Termination of patent right or utility model |