CN203415336U - Potentiometer - Google Patents

Potentiometer Download PDF

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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
Application number
CN201320411000.1U
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Chinese (zh)
Inventor
洪金镳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SOUNDWELL ELECTRIC PRODUCTS GUANGDONG CO Ltd
Original Assignee
SOUNDWELL ELECTRIC PRODUCTS GUANGDONG CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SOUNDWELL ELECTRIC PRODUCTS GUANGDONG CO Ltd filed Critical SOUNDWELL ELECTRIC PRODUCTS GUANGDONG CO Ltd
Priority to CN201320411000.1U priority Critical patent/CN203415336U/en
Application granted granted Critical
Publication of CN203415336U publication Critical patent/CN203415336U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • 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

A kind of potentiometer
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.
Axle core component 1 comprises axle core 11, axle sleeve 12 and stop tab 13, axle core 11 is stepped vertically, axle core 11 sleeves are in the axis hole of axle sleeve 12, axle sleeve 12 is boss-shaped, in stop tab 13, open axis hole processed and pass and make stop tab 13 to be installed on axle core 11 by axle core 11, stop tab 13 can be rotated with axle core 11; On axle sleeve 12, be provided with the stopper protrusion coordinating with stop tab 13.
Carbon plate assembly 2 comprises installs carbon plate body 21, the carbon plate 22 of carbon plate and the resistance terminal 23 being connected with carbon plate 22, carbon plate body 21 arranges two (two carbon plate bodies 21 set gradually up and down), on carbon plate body 21, open axis hole processed and pass by axle core 11, on carbon plate body 21, around its axis hole, be shaped with the pit 24 that accommodating effect is installed; Be arranged on the lower surface of the carbon plate body 21 of portion on the lower and upper surface and be respectively shaped with a pit 24, in the pit 24 of this lower surface, stop tab 13 is installed, in the pit 24 of this upper surface, carbon plate 22 is installed; The lower surface that is arranged on the carbon plate body 21 of top portion is shaped with a pit 24, in the pit 24 of this lower surface, carbon plate 22 is also installed; Plastic resistance terminal 23 in carbon plate body 21, one end of resistance terminal 23 is electrically connected to carbon plate 22, and it is equipped with external circuit that the other end of resistance terminal 23 stretches out carbon plate body 21.
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.
Switch module 4 comprises insulating pad 41, pressing tablet 42, pot shape shell fragment 43, substrate 44, Switch main body 45, switch terminal 46 and switch shrapnel 47, and insulating pad 41, pressing tablet 42, pot shape shell fragment 43, substrate 44 and Switch main body 45 set gradually from below to up; Insulating pad 41 is sticked at the upper surface of carbon plate body 42, opens axis hole processed and pass by axle core 11 on insulating pad 41; Pressing tablet 42 is connected in the upper end of axle core 11; Two switch shrapnels 47 are installed on Switch main body 45, and Switch main body 45 also plastic two switch terminal 46, two switch terminal 46 one end is separately electrically connected to corresponding switch shrapnel 47 respectively, and two switch terminals 46 other end and external circuit is separately equipped; Substrate 44 is attached at the lower surface of Switch main body 45, is fixedly mounted with an annular sheet metal 48 on substrate 44, and this annular sheet metal 48 electrically contacts with the switch shrapnel 47 on Switch main body 45; Pot shape shell fragment 43 is attached at the lower surface of substrate 44 and electrically contacts with described annular sheet metal 48, and pressing tablet 42 is from below to up facing to pot shape shell fragment 43.Axle core 11 is pressed described pressing tablet 42, and pressing tablet 42 pushing pot shape shell fragments 43 electrically contact pot shape shell fragment 43 and another switch shrapnel 47 on Switch main body 45, and switch is switched on; Unclamp and press, because the elasticity of pot shape shell fragment 43 resets, pot shape shell fragment 43 departs from and contacts with another switch shrapnel 47 on Switch main body 45, and switch is disconnected.
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.
Axle core component 1 comprises axle core 11, axle sleeve 12 and stop tab 13, axle core 11 is stepped vertically, axle core 11 sleeves are in the axis hole of axle sleeve 12, axle sleeve 12 is boss-shaped, in stop tab 13, open axis hole processed and pass and make stop tab 13 to be installed on axle core 11 by axle core 11, stop tab 13 can be rotated with axle core 11; On axle sleeve 12, be provided with the stopper protrusion coordinating with stop tab 13.
Carbon plate assembly 2 comprises installs carbon plate body 21, the carbon plate 22 of carbon plate and the resistance terminal 22 being connected with carbon plate 22, carbon plate body 21 arranges one, on carbon plate body 21, open axis hole processed and pass by axle core 11, on carbon plate body 21, around its axis hole, at carbon plate body 21 upper surfaces and lower surface, be respectively shaped with the pit 24 that accommodating effect is installed; On the lower surface of carbon plate body 21 and upper surface, be respectively shaped with a pit 24, in the pit 24 of this lower surface, stop tab 13 be installed, in the pit 24 of this upper surface, carbon plate 22 is installed; Plastic resistance terminal 23 in carbon plate body 21, one end of resistance terminal 23 is electrically connected to carbon plate 22, and it is equipped with external circuit that the other end of resistance terminal 23 stretches out carbon plate body 21.
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.
Switch module 4 comprises insulating pad 41, pressing tablet 42, pot shape shell fragment 43, substrate 44, Switch main body 45, switch terminal 46 and switch shrapnel 47, and insulating pad 41, pressing tablet 42, pot shape shell fragment 43, substrate 44 and Switch main body 45 set gradually from below to up; Insulating pad 41 is sticked at the upper surface of carbon plate body 42, opens axis hole processed and pass by axle core 11 on insulating pad 41; Pressing tablet 42 is connected in the upper end of axle core 11; Two switch shrapnels 47 are installed on Switch main body 45, and Switch main body 45 also plastic two switch terminal 46, two switch terminal 46 one end is separately electrically connected to corresponding switch shrapnel 47 respectively, and two switch terminals 46 other end and external circuit is separately equipped; Substrate 44 is attached at the lower surface of Switch main body 45, is fixedly mounted with an annular sheet metal 48 on substrate 44, and this annular sheet metal 48 electrically contacts with the switch shrapnel 47 on Switch main body 45; Pot shape shell fragment 43 is attached at the lower surface of substrate 44 and electrically contacts with described annular sheet metal 48, and pressing tablet 42 is from below to up facing to pot shape shell fragment 43.Axle core 11 is pressed described pressing tablet 42, and pressing tablet 42 pushing pot shape shell fragments 43 electrically contact pot shape shell fragment 43 and another switch shrapnel 47 on Switch main body 45, and switch is switched on; Unclamp and press, because the elasticity of pot shape shell fragment 43 resets, pot shape shell fragment 43 departs from and contacts with another switch shrapnel 47 on Switch main body 45, and switch is disconnected.
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.
CN201320411000.1U 2013-07-11 2013-07-11 Potentiometer Expired - Fee Related CN203415336U (en)

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

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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
CN (1) CN203415336U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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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