CN202905345U - Rotary precision conductive plastic potentiometer - Google Patents
Rotary precision conductive plastic potentiometer Download PDFInfo
- Publication number
- CN202905345U CN202905345U CN 201220557884 CN201220557884U CN202905345U CN 202905345 U CN202905345 U CN 202905345U CN 201220557884 CN201220557884 CN 201220557884 CN 201220557884 U CN201220557884 U CN 201220557884U CN 202905345 U CN202905345 U CN 202905345U
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- electrode
- conductive substrate
- shell
- lead
- out wire
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Abstract
The utility model discloses a rotary precision conductive plastic potentiometer which comprises a housing and a rotating shaft, wherein the rotating shaft is rotatably connected with the housing, and one end of the rotating shaft which extends into the housing is bonded with a rotating block through an epoxy resin sealing material, a conductive substrate is arranged in the housing above the rotating block, a resistor is arranged on the lower surface of the conductive substrate, and is of an opened circular ring, the electrode I is arranged at one end of the resistor, and the electrode III is arranged at the other end of the resistor, a terminal serving as the electrode II is arranged on the conductive substrate, a reed which props against the terminal is arranged at the upper end of the rotating block, an electric brush is connected to the reed, the outgoing line I is welded on the electrode I, the outgoing line II is welded on the terminal, the outgoing line III is welded on the electrode III, the outgoing line I, the outgoing line II and the outgoing line III all extend out of the housing and are parallel to the rotating shaft, and epoxy resin for encapsulating the conductive substrate is arranged at the upper end of the housing. The rotary precision conductive plastic potentiometer disclosed by the utility model has the advantages of small volume, good wear resistance and high linear accuracy and reliability.
Description
Technical field
The utility model relates to a kind of potentiometer, particularly relates to a kind of rotary accurate conductive plastic potentiometer.
Background technology
Because accurate conductive plastic potentiometer is to have anti-wear performance excellence, linear precision is high, output smoothness good, degree of regulation is high, reliability is high advanced electronic component, for a long time, it is widely used in the high-tech sectors such as Aeronautics and Astronautics field, precision instrumentation.Because the good characteristic of accurate conduction potentiometer is more and more obvious, as a kind of displacement transducer and angular transducer, its good characteristic more and more reveals.Along with industrial equipment to high accuracy, highly reliableization development, domestic space flight and aviation users are also increasing to the demand of the accurate conduction of small size potentiometer.
How to research and develop a kind of small volume, resistance to wear is good, linear precision is high, output smoothness is good, degree of regulation is high, reliability is high precision conduction potentiometer is the technical problem that various equivalent modifications needs to be resolved hurrily.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of rotary accurate conductive plastic potentiometer is provided.The volume of this rotary accurate conductive plastic potentiometer is little, simple in structure, resistance to wear is good, linear precision is high, output smoothness is good, degree of regulation is high, reliability is high.
For achieving the above object, the technical solution adopted in the utility model is: rotary accurate conductive plastic potentiometer, it is characterized in that: comprise shell and the rotation axis that stretches into shell, described rotation axis and shell are rotationally connected, the end that described rotation axis stretches into shell is bonded with switch block by the epoxy sealing material, in the described shell and the top that is positioned at switch block is provided with conductive substrate, the lower surface of described conductive substrate is provided with resistance, described resistance is the annular of opening, one end of described resistance is provided with electrode one, the other end of described resistance is provided with electrode three, be provided with the binding post that is used as electrode two on the described conductive substrate, the upper end of described switch block is provided with the reed that connects with binding post, be connected with the brush that connects with resistance on the described reed, be welded with lead-out wire one on the described electrode one, be welded with lead-out wire two on the described binding post, be welded with lead-out wire three on the described electrode three, described lead-out wire one, lead-out wire two and lead-out wire three all stretch out shell and all parallel with rotation axis, and the upper end of described shell is provided with the epoxy resin for the encapsulation conductive substrate.
Above-mentioned rotary accurate conductive plastic potentiometer is characterized in that: described electrode one is for being riveted on the rivet one on the conductive substrate, and described electrode three is for being riveted on the rivet two on the conductive substrate.
Above-mentioned rotary accurate conductive plastic potentiometer is characterized in that: the bearing that is connected with rotation axis is installed on the described shell.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design, be easy to install.
2, lead-out wire one of the present utility model, lead-out wire two and lead-out wire three all stretch out shell and all parallel with rotation axis, effectively reduce the volume of potentiometer, can save horizontal space simultaneously.
3, the utility model adopts the PGL encapsulation, has changed the form that realizes encapsulation with shell, has reduced by a part, has saved cost.
4, realization cost of the present utility model is low, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and rationally novel in design, functional reliability is high, long service life, and volume is little, resistance to wear is good, linear precision is high, output smoothness is good, degree of regulation is high, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model conductive substrate.
Description of reference numerals:
1-shell; 2-rotation axis; 3-bearing;
4-reed; 5-binding post; 6-rivet one;
7-conductive substrate; 7-1-electrode one; 7-2-resistance;
7-3-electrode three; 8-lead-out wire one; 9-lead-out wire two;
10-lead-out wire three; 11-epoxy resin; 12-brush;
13-switch block; 14-rivet two.
Embodiment
A kind of rotary accurate conductive plastic potentiometer as depicted in figs. 1 and 2, comprise shell 1 and the rotation axis 2 that stretches into shell 1, described rotation axis 2 is rotationally connected with shell 1, the end that described rotation axis 2 stretches into shell 1 is bonded with switch block 13 by the epoxy sealing material, in the described the shell 1 and top that is positioned at switch block 13 is provided with conductive substrate 7, the lower surface of described conductive substrate 7 is provided with resistance 7-2, described resistance 7-2 is the annular of opening, the end of described resistance 7-2 is provided with electrode one 7-1, the other end of described resistance 7-2 is provided with electrode three 7-3, be provided with the binding post 5 that is used as electrode two 7-2 on the described conductive substrate 7, the upper end of described switch block 13 is provided with the reed 4 that connects with binding post 5, be connected with the brush 12 that connects with resistance 7-2 on the described reed 4, be welded with lead-out wire 1 on described electrode one 7-1, be welded with lead-out wire 29 on the described binding post 5, be welded with lead-out wire 3 10 on described electrode three 7-3, described lead-out wire 1, lead-out wire 29 and lead-out wire 3 10 all stretch out shell 1 and all parallel with rotation axis 2, and the upper end of described shell 1 is provided with the epoxy resin 11 for encapsulation conductive substrate 7.In the present embodiment, described electrode one 7-1 is the rivet 1 that is riveted on the conductive substrate 7, and described electrode three 7-3 are the rivet 2 14 that is riveted on the conductive substrate 7.The bearing 3 that is connected with rotation axis 2 is installed on the described shell 1.
During use, rotation axis 2 rotates, rotation axis 2 drives switch block 13 and rotates, switch block 13 is to contact with binding post 5 by reed bonding on it 4, the brush 12 of welding on the reed 4 and the resistance 7-2 Continuous Contact of conductive substrate 7, along with the rotation of rotation axis 2, brush 12 contacts with difference on the conductive substrate 7, can obtain variable resistor.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection range of technical solutions of the utility model.
Claims (3)
1. rotary accurate conductive plastic potentiometer, it is characterized in that: comprise shell (1) and stretch into the rotation axis (2) of shell (1), described rotation axis (2) is rotationally connected with shell (1), the end that described rotation axis (2) stretches into shell (1) is bonded with switch block (13) by the epoxy sealing material, in the described shell (1) and the top that is positioned at switch block (13) is provided with conductive substrate (7), the lower surface of described conductive substrate (7) is provided with resistance (7-2), described resistance (7-2) is the annular of opening, one end of described resistance (7-2) is provided with electrode one (7-1), the other end of described resistance (7-2) is provided with electrode three (7-3), be provided with the binding post (5) that is used as electrode two (7-2) on the described conductive substrate (7), the upper end of described switch block (13) is provided with the reed (4) that connects with binding post (5), be connected with the brush (12) that connects with resistance (7-2) on the described reed (4), be welded with lead-out wire one (8) on the described electrode one (7-1), be welded with lead-out wire two (9) on the described binding post (5), be welded with lead-out wire three (10) on the described electrode three (7-3), described lead-out wire one (8), lead-out wire two (9) and lead-out wire three (10) all stretch out shell (1) and all parallel with rotation axis (2), and the upper end of described shell (1) is provided with the epoxy resin (11) for encapsulation conductive substrate (7).
2. rotary accurate conductive plastic potentiometer according to claim 1, it is characterized in that: described electrode one (7-1) is for being riveted on the rivet one (6) on the conductive substrate (7), and described electrode three (7-3) is for being riveted on the rivet two (14) on the conductive substrate (7).
3. rotary accurate conductive plastic potentiometer according to claim 1 is characterized in that: the bearing (3) that is connected with rotation axis (2) is installed on the described shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557884 CN202905345U (en) | 2012-10-26 | 2012-10-26 | Rotary precision conductive plastic potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557884 CN202905345U (en) | 2012-10-26 | 2012-10-26 | Rotary precision conductive plastic potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905345U true CN202905345U (en) | 2013-04-24 |
Family
ID=48125984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220557884 Expired - Fee Related CN202905345U (en) | 2012-10-26 | 2012-10-26 | Rotary precision conductive plastic potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489554A (en) * | 2013-07-08 | 2014-01-01 | 昆山福烨电子有限公司 | Potentiometer with wide amplitude modulation range |
-
2012
- 2012-10-26 CN CN 201220557884 patent/CN202905345U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489554A (en) * | 2013-07-08 | 2014-01-01 | 昆山福烨电子有限公司 | Potentiometer with wide amplitude modulation range |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130424 Termination date: 20131026 |