CN207353036U - A kind of multiturn potentiometer - Google Patents
A kind of multiturn potentiometer Download PDFInfo
- Publication number
- CN207353036U CN207353036U CN201720219714.0U CN201720219714U CN207353036U CN 207353036 U CN207353036 U CN 207353036U CN 201720219714 U CN201720219714 U CN 201720219714U CN 207353036 U CN207353036 U CN 207353036U
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- shell body
- screw rod
- conductive sheet
- movable contact
- resistive element
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Abstract
The utility model discloses a kind of multiturn potentiometer, including pin, screw rod, movable contact, shell body, fixing device, resistive element, conductor, adjustable column, conductive sheet and circular arc conductive sheet, the pin is installed on the side of shell body, the inside of shell body is stretched into one end of pin, shell body is internally provided with screw rod, one end of screw rod is connected on the madial wall of shell body, its other end stretches out shell body.This multiturn potentiometer, using past screw-rod structure, mechanical trip is not only realized without backstop, it can be rotated with Infinite Cyclic, the electric stroke of potentiometer multi-turn is realized, and electrically stroke can reach any angle according to the different length of screw rod and pitch, and structure is hardly damaged, maintenance cost has been saved, has been applicable to the occasion of accurate adjustment.
Description
Technical field
Electrical equipment applied technical field is the utility model is related to, is specially a kind of multiturn potentiometer.
Background technology
Rotational potentiometer is a kind of electromechanical compo, by slip of the brush on resistive element, is obtained with brush shift into one
Determine the output voltage of relation, be mainly used for communication product, intercom, vehicle power amplifier, multi-media sound system, smart home, household electric
The fields such as device, computer periphery, major function are volume adjustment, light intensity adjusting, menu selection, speed adjusting, temperature tune
Section etc..At present, the rotational potentiometer used on mechanical equipment is mostly single-turn potentiometer, and the travelling arm of single-turn potentiometer cannot
360 ° of rotations, are commonly used to volume control, it is impossible to meet the needs of market.
Utility model content
The purpose of this utility model is to provide a kind of multiturn potentiometer, can reach mechanical trip without backstop, Er Qie electricity
Gas stroke can reach more than 360 °, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical solution：A kind of multiturn potentiometer, including pin, spiral shell
Bar, movable contact, shell body, fixing device, resistive element, conductor, adjustable column, conductive sheet and circular arc conductive sheet, the pin installation
In the side of shell body, the inside of shell body is stretched into one end of pin, and shell body is internally provided with screw rod, and one end of screw rod connects
It is connected on the madial wall of shell body, its other end stretches out shell body；One end that the screw rod stretches out shell body is installed with tune
Cap is saved, adjustment cap, which is equipped with, adjusts mouth, and the junction of screw rod and shell body is provided with fixing device, and fixing device is wrapped in screw rod
Outside, and be fixed on the madial wall of shell body；The shell body is internally provided with sliding block, and screw rod runs through sliding block, sliding block
Bottom be fixedly welded with movable contact, the bottom four corners of shell body are provided with footing；The shell body is internally provided with rotor,
Rotor is embedded in the inner top of shell body, and the bottom of rotor is fixedly connected with a slide block, and resistive element is set within the outer shell；Institute
The exterior parcel conductor of resistive element is stated, movable contact is in close contact with resistive element, and contact brush, contact brush are provided with resistive element
It is connected with pin by conducting wire, the inside of shell body is additionally provided with spiral case；The circular arc conductive sheet installation is within the outer shell, round
Fixed touching plate is welded with arc conductive sheet, conductive sheet is arranged between fixed touching plate, the upper end connection movable contact spring of conductive sheet；It is described dynamic tactile
Wire connection terminal is both provided with piece and fixed touching plate, wire connection terminal is electrically connected with pin, and conductive sheet is welded on sliding bar, is slided
One end of bar is connected with slide；The adjustable column runs through sliding bar and slide, both are fixed in shell body
Portion, adjustable column are fixedly connected with the rotor.
Preferably, shell body is made of ambroin, and the surface of shell body is coated with laser carving, and the outer surface of shell body is passed through
Frosted is handled.
Preferably, the circular arc conductive sheet is made of brass, and the surface of circular arc conductive sheet is handled by silver plating process.
Preferably, the lateral wall of the screw rod is threaded the age of a draught animal, and the contact position of screw rod and shell body is provided with internal thread,
The screw thread age of a draught animal engages with internal thread.
Preferably, the movable contact is designed to hemispherical, and copper plating treatment is passed through on the surface of movable contact.
Preferably, the resistive element is designed to discoid, and conductor is annular shape, and the inner side of conductor is equipped with groove, resistive element
It is connected in groove.
Compared with prior art, the beneficial effects of the utility model are：
(1) this multiturn potentiometer, shell body are made of ambroin, good insulation preformance, avoid the generation of leaky,
The surface of shell body is coated with laser carving, and the outer surface of shell body is handled by frosted, and wear-resisting property is handed over, and has good dust-proof work
With；Circular arc conductive sheet is made of brass, and electric conductivity is excellent, and the surface of circular arc conductive sheet is handled by silver plating process, is strengthened
The conveyance capacity of circular arc conductive sheet, for a long time in use, circular arc conductive sheet will not ablation；The lateral wall of screw rod is threaded
The contact position of the age of a draught animal, screw rod and shell body is provided with internal thread, and the screw thread age of a draught animal engages with internal thread, ensure that the at the uniform velocity fortune of screw rod
It is dynamic；Movable contact is designed to hemispherical, and copper plating treatment is passed through on the surface of movable contact, strengthens the antiwear characteristic of movable contact；Resistive element
It is designed to discoid, conductor is annular shape, and the inner side of conductor is equipped with groove, and resistive element is connected in groove, and resistive element is in conductor
Inner rotation, and then change resistive element resistance value size.
(2) this multiturn potentiometer, using toward screw-rod structure, not only realizes mechanical trip without backstop, can also infinitely follow
Ring rotates, and realizes the electric stroke of potentiometer multi-turn, and electrically stroke can reach according to the different length of screw rod and pitch and appoint
Meaning angle, structure are hardly damaged, and have saved maintenance cost, are applicable to the occasion of accurate adjustment.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model；
Fig. 2 is the sectional view of the utility model；
Fig. 3 is the front view of the utility model；
Fig. 4 is the circular arc conductive sheet schematic diagram of the utility model.
In figure：1 pin；2 sliding blocks；3 screw rods；4 adjustment caps；5 movable contacts；6 shell bodies；7 footing；8 rotors；9 fix dress
Put；10 adjust mouth；11 contact brushes；12 resistive elements；13 conductors；14 spiral cases；15 slides；16 adjustable columns；17 sliding bars；18
Wire connection terminal；19 movable contact springs；20 conductive sheets；21 fixed touching plates；22 circular arc conductive sheets.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of multiturn potentiometer, including pin 1, screw rod
3rd, movable contact 5, shell body 6, fixing device 9, resistive element 12, conductor 13, adjustable column 16, conductive sheet 20 and circular arc conductive sheet 22,
Pin 1 is installed on the side of shell body 6, and the inside of shell body 6 is stretched into one end of pin 1, and shell body 6 is internally provided with spiral shell
Bar 3, one end of screw rod 3 are connected on the madial wall of shell body 6, its other end stretches out shell body 6；Shell body 6 uses insulated plastic
Material is made, good insulation preformance, avoids the generation of leaky, and the surface of shell body 6 is coated with laser carving, the outer surface warp of shell body 6
Frosted processing is crossed, wear-resisting property is handed over, and has good dustproof effect；One end that screw rod 3 stretches out shell body 6 is installed with adjusting
Cap 4, using 3 structure of past screw rod, by the adjusting of adjustment cap 4, not only realizes mechanical trip without backstop, can be with Infinite Cyclic
Rotate, realize the electric stroke of potentiometer multi-turn, and electrically stroke can reach any according to the different length of screw rod 3 and pitch
Angle, structure are hardly damaged, and have saved maintenance cost, are applicable to the occasion of accurate adjustment；Adjustment cap 4, which is equipped with, adjusts mouth
10, screw rod 3 and the junction of shell body 6 are provided with fixing device 9, and fixing device 9 is wrapped in the outside of screw rod 3, and is fixed on
On the madial wall of shell body 6；The lateral wall of screw rod 3 is threaded the age of a draught animal, and screw rod 3 and the contact position of shell body 6 are provided with interior spiral shell
Line, the screw thread age of a draught animal engage with internal thread, ensure that the uniform motion of screw rod 3；Shell body 6 is internally provided with sliding block 2, screw rod 3
Through sliding block 2, the bottom of sliding block 2 is fixedly welded with movable contact 5, and the bottom four corners of shell body 6 are provided with footing 7；Movable contact 5 is set
Count into hemispherical, copper plating treatment is passed through on the surface of movable contact 5, strengthens the antiwear characteristic of movable contact 5；The inside of shell body 6 is set
Rotor 8 is equipped with, rotor 8 is embedded in the inner top of shell body 6, and the bottom of rotor 8 is fixedly connected with sliding block 2, and resistive element 12 is set
In the inside of shell body 6；The exterior parcel conductor 13 of resistive element 12, movable contact 5 are in close contact with resistive element 12, and resistive element 12 is set
Count into discoid, conductor 13 is annular shape, and the inner side of conductor 13 is equipped with groove, and resistive element 12 is connected in groove, resistive element 12
In the inner rotation of conductor 13, and then change the resistance value size of resistive element 12；Contact brush 11 is installed on resistive element 12, is contacted
Brush 11 is connected with pin 1 by conducting wire, and the inside of shell body 6 is additionally provided with spiral case 14；Circular arc conductive sheet 22 is installed on shell body 6
Inside, fixed touching plate 21 is welded with circular arc conductive sheet 22, circular arc conductive sheet 22 is made of brass, and electric conductivity is excellent, circle
The surface of arc conductive sheet 22 is handled by silver plating process, strengthens the conveyance capacity of circular arc conductive sheet 22, for a long time in use,
Circular arc conductive sheet 22 will not ablation；Conductive sheet 20 is arranged between fixed touching plate 21, the upper end connection movable contact spring 19 of conductive sheet 20；
Wire connection terminal 18 is both provided with movable contact spring 19 and fixed touching plate 21, wire connection terminal 18 is electrically connected with pin 1, and conductive sheet 20 welds
On sliding bar 17, one end and the slide 15 of sliding bar 17 connect；Adjustable column 16 runs through sliding bar 17 and slide 15,
Both are fixed on to the inside of shell body 6, adjustable column 16 is fixedly connected with rotor 8.
The operation principle of the utility model is：
Rotate adjustment cap 4 and then drive the rotation of screw rod 3, movable contact spring 19 slides on resistive element 12, changes resistive element 12
Resistance value size；When the resistance value increase of 19 to one fixed touching plate of movable contact spring 21, movable contact spring 19 arrives the resistance value of another fixed touching plate 21
Reduce, and then voltage is accurately controlled.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of multiturn potentiometer, including pin (1), screw rod (3), movable contact (5), shell body (6), fixing device (9), resistance
Body (12), conductor (13), adjustable column (16), conductive sheet (20) and circular arc conductive sheet (22), it is characterised in that：The pin (1)
Installed in the side of shell body (6), the inside of shell body (6) is stretched into one end of pin (1), and shell body (6) are internally provided with
Screw rod (3), one end of screw rod (3) are connected on the madial wall of shell body (6), its other end stretches out shell body (6)；The screw rod
(3) one end for stretching out shell body (6) is installed with adjustment cap (4), and adjustment cap (4), which is equipped with, adjusts mouth (10), screw rod (3) with
The junction of shell body (6) is provided with fixing device (9), and fixing device (9) is wrapped in the outside of screw rod (3), and is fixed on outer
On the madial wall of housing (6)；The shell body (6) is internally provided with sliding block (2), and screw rod (3) runs through sliding block (2), sliding block (2)
Bottom be fixedly welded with movable contact (5), the bottom four corners of shell body (6) are provided with footing (7)；The shell body (6) it is interior
Portion is provided with rotor (8), and rotor (8) is embedded in the inner top of shell body (6), bottom and the fixed company of sliding block (2) of rotor (8)
Connect, resistive element (12) is arranged on the inside of shell body (6)；The exterior parcel conductor (13) of the resistive element (12), movable contact (5)
It is in close contact with resistive element (12), contact brush (11) is installed on resistive element (12), contact brush (11) passes through with pin (1)
Conducting wire connects, and the inside of shell body (6) is additionally provided with spiral case (14)；The circular arc conductive sheet (22) is installed on the interior of shell body (6)
Portion, is welded with fixed touching plate (21) on circular arc conductive sheet (22), conductive sheet (20) is arranged between fixed touching plate (21), conductive sheet (20)
Upper end connection movable contact spring (19)；Wire connection terminal (18), terminals are both provided with the movable contact spring (19) and fixed touching plate (21)
Sub (18) are electrically connected with pin (1), and conductive sheet (20) is welded on sliding bar (17), one end of sliding bar (17) and slide
(15) connect；The adjustable column (16) runs through sliding bar (17) and slide (15), both are fixed on shell body (6)
Inside, adjustable column (16) are fixedly connected with rotor (8).
A kind of 2. multiturn potentiometer according to claim 1, it is characterised in that：The shell body (6) uses ambroin
It is made, the surface of shell body (6) is coated with laser carving, and the outer surface of shell body (6) is handled by frosted.
A kind of 3. multiturn potentiometer according to claim 1, it is characterised in that：The circular arc conductive sheet (22) uses brass
It is made, the surface of circular arc conductive sheet (22) is handled by silver plating process.
A kind of 4. multiturn potentiometer according to claim 1, it is characterised in that：The lateral wall of the screw rod (3) sets spiral shell
The line age of a draught animal, screw rod (3) and the contact position of shell body (6) are provided with internal thread, and the screw thread age of a draught animal engages with internal thread.
A kind of 5. multiturn potentiometer according to claim 1, it is characterised in that：The movable contact (5) be designed to it is hemispherical,
Copper plating treatment is passed through on the surface of movable contact (5).
A kind of 6. multiturn potentiometer according to claim 1, it is characterised in that：The resistive element (12) is designed to disk
Shape, conductor (13) are annular shape, and the inner side of conductor (13) is equipped with groove, and resistive element (12) is connected in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720219714.0U CN207353036U (en) | 2017-03-08 | 2017-03-08 | A kind of multiturn potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720219714.0U CN207353036U (en) | 2017-03-08 | 2017-03-08 | A kind of multiturn potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353036U true CN207353036U (en) | 2018-05-11 |
Family
ID=62360766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720219714.0U Active CN207353036U (en) | 2017-03-08 | 2017-03-08 | A kind of multiturn potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353036U (en) |
-
2017
- 2017-03-08 CN CN201720219714.0U patent/CN207353036U/en active Active
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