CN202905355U - Coaxial duplex straight-sliding type potentiometer - Google Patents
Coaxial duplex straight-sliding type potentiometer Download PDFInfo
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- CN202905355U CN202905355U CN 201220557883 CN201220557883U CN202905355U CN 202905355 U CN202905355 U CN 202905355U CN 201220557883 CN201220557883 CN 201220557883 CN 201220557883 U CN201220557883 U CN 201220557883U CN 202905355 U CN202905355 U CN 202905355U
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- electrode
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- conductive plastics
- plastics matrix
- housing
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Abstract
The utility model discloses a coaxial duplex straight-sliding type potentiometer comprising a shell, a conductive plastic base body I and a conductive plastic base body II, wherein a sliding rod is arranged between the conductive plastic base body I and the conductive plastic base body II; a resistor I is arranged on the lower surface of the conductive plastic base body I; an electrode I is arranged at one end of the resistor I, and an electrode III is arranged at the other end of the resistor I; an electrode II is arranged on the lower surface of the conductive plastic base body I; a resistor II is arranged on the upper surface of the conductive plastic base body II; an electrode IV is arranged at one end of the resistor II, and an electrode VI is arranged at the other end of the resistor II; an electrode V is arranged on the upper surface of the conductive plastic base body II; a sliding block is arranged at one end of the sliding rod, which extends into the shell; a multi-finger brush I and a multi-finger brush II are arranged on the upper lateral face of the sliding block; and a multi-finger brush III and a multi-finger brush IV are arranged on the lower lateral face of the sliding block. The potentiometer disclosed by the utility model uses a coaxial duplex structure and can meet the requirements of aviation and aerospace complete machines, precise instruments and meters, and an automobile position sensor on high precision, high properties, long service life and high reliability.
Description
Technical field
The utility model relates to a kind of potentiometer, particularly relates to a kind of coaxial duplex linear sliding potentiometer.
Background technology
In recent years, along with the development of Microcomputer Controling Technique, the potentiometer that uses as machine-power converter must satisfy many requirements such as high-resolution, high accuracy, long life, high speed servo.For this reason, people begin to be applied in conductive plastic resistance element in accurate angle displacement sensor and the precision linear displacement transducer and to be developed rapidly, show that from nearest developments its range of application is increasingly extensive.Accurate precision lead mould that potentiometer has that automation that the premium properties such as resolution, the flatness of linearity height, theory unlimited is good, dynamic noise is little, mechanical endurance is long are widely used in the fields such as aircraft industry, auto industry, petroleum industry, mechanical industry, medicine equipment is controlled and servo system in.
The linear displacement transducer of at present domestic production is the single-plicate structure substantially, but in the higher space flight of reliability requirement, aviation field, need to have simultaneously the above test macro of two covers and carry out work, this will increase system bulk and weight if use two transducers, thereby take space and the weight of space flight, airborne vehicle.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of coaxial duplex linear sliding potentiometer is provided.This potentiometer adopts coaxial twin structure, the straight-line displacement of its output voltage signal and regulating shaft is linear, the conversion of the signal of telecommunication can be realized moving to from machinery, Aeronautics and Astronautics complete machine and precision instrumentation, vehicle position sensor can be satisfied to high accuracy, high-performance, high life, highly reliable requirement.
For achieving the above object, the technical solution adopted in the utility model is: a kind of coaxial duplex linear sliding potentiometer, it is characterized in that: comprise housing and be installed in housing interior conductive plastics matrix one and conductive plastics matrix two, described conductive plastics matrix one is positioned at the top of conductive plastics matrix two, be provided with the sliding bar that stretches out housing between described conductive plastics matrix one and the conductive plastics matrix two, the lower surface of described conductive plastics matrix one is provided with the resistance one that extends along conductive plastics matrix one length direction, one end of described resistance one is provided with electrode one, the other end of described resistance one is provided with electrode three, and the lower surface of described conductive plastics matrix one and a side that is positioned at resistance one are provided with the electrode two that parallels with resistance one; The upper surface of described conductive plastics matrix two is provided with the resistance two that extends along conductive plastics matrix two length directions, one end of described resistance two is provided with electrode four, the other end of described resistance two is provided with electrode six, the upper surface of described conductive plastics matrix two and a side that is positioned at resistance two are provided with the electrode five that parallels with resistance two, the end that described sliding bar stretches in the housing is provided with slide block, many fingers brushes two that the upper side of described slide block is provided with the many fingers brush one that can move along resistance one and can moves along electrode two, a described end and the resistance one of brush one of referring to electrically contacts more, a described end and the electrode two of brush two of referring to electrically contacts more, the described other ends that refer to brush one more and how finger brush two the other end and mutually be connected in series and all be fixedly mounted on the slide block; Many fingers brushes four that the downside of described slide block is provided with the many fingers brush three that can move along resistance two and can moves along electrode five, a described end and the resistance two of brush three of referring to electrically contacts more, a described end and the electrode five of brush four of referring to electrically contacts more, described how finger is brushed three the other end and is referred to that the other end of brush four mutually is connected in series and all is fixedly mounted on the slide block more, and the lead-out wire of described electrode one, electrode two, electrode three, electrode four, electrode five and electrode six all stretches out housing.
Above-mentioned a kind of coaxial duplex linear sliding potentiometer is characterized in that: the cross section of described slide block is " worker " font.
Above-mentioned a kind of coaxial duplex linear sliding potentiometer is characterized in that: described conductive plastics matrix one and conductive plastics matrix two all are fixedly mounted on the housing by outer cover.
Above-mentioned a kind of coaxial duplex linear sliding potentiometer is characterized in that: cover has gauze screen on the lead-out wire of described electrode one, electrode two, electrode three, electrode four, electrode five and electrode six.
Above-mentioned a kind of coaxial duplex linear sliding potentiometer is characterized in that: an end of described housing is provided with the chassis that is connected with housing; The other end of described housing is provided with the back-up ring that is fixedly connected with housing.
Above-mentioned a kind of coaxial duplex linear sliding potentiometer is characterized in that: described slide block is installed in an end of sliding bar by stop nut.
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, the utility model is by adopting coaxial twin structure, and the motion mode of axle can provide two groups of independently output voltage signals simultaneously for axially plug-type, has improved its linear precision.
3, the utlity model has long service life, the characteristics such as flatness is good, definition is excellent, noise is little, reliability is high, anti-electromagnetism and resistance to chemical attack.
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 is rationally novel in design, functional reliability is high, long service life, volume is little, lightweight, can satisfy Aeronautics and Astronautics complete machine and precision instrumentation, vehicle position sensor to high accuracy, high-performance, high life, highly reliable requirement.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the A-A cutaway view among Fig. 1.
Fig. 3 is the structural representation of the utility model conductive plastics matrix one (conductive plastics matrix two).
Description of reference numerals:
1-sliding bar; 2-back-up ring; 3-outer cover;
4-housing; 5-stop nut; 6-slide block;
7-conductive plastics matrix one; 7-1-electrode one; 7-2-electrode two;
7-3-electrode three; 7-4-resistance one; 8-chassis;
9-gauze screen; 10-conductive plastics matrix two; 10-1-electrode four;
10-2-electrode five; 10-3-electrode six; 10-4-resistance two;
11-refer to brush one more; 12-refer to brush two more; 13-refer to brush three more;
14-refer to brush four more.
Embodiment
Such as Fig. 1, Fig. 2 and a kind of coaxial duplex linear sliding potentiometer shown in Figure 3, comprise housing 4 and be installed in conductive plastics matrix 1 and conductive plastics matrix 2 10 in the housing 4, described conductive plastics matrix 1 is positioned at the top of conductive plastics matrix 2 10, be provided with the sliding bar 1 that stretches out housing 4 between described conductive plastics matrix 1 and the conductive plastics matrix 2 10, the lower surface of described conductive plastics matrix 1 is provided with resistance one 7-4 that extends along conductive plastics matrix one 7 length directions, the end of described resistance one 7-4 is provided with electrode one 7-1, the other end of described resistance one 7-4 is provided with electrode three 7-3, and the lower surface of described conductive plastics matrix 1 and a side that is positioned at resistance one 7-4 are provided with electrode two 7-2 that parallel with resistance one 7-4; The upper surface of described conductive plastics matrix 2 10 is provided with resistance two 10-4 that extend along conductive plastics matrix 2 10 length directions, the end of described resistance two 10-4 is provided with electrode 10-1, the other end of described resistance two 10-4 is provided with electrode six 10-3, the upper surface of described conductive plastics matrix 2 10 and a side that is positioned at resistance two 10-4 are provided with the electrode 10-2 that parallels with resistance two 10-4, the end that described sliding bar 1 stretches in the housing 4 is provided with slide block 6, the upper side of described slide block 6 is provided with and can brushes one 11 and can brush 2 12 along many fingers that electrode two 7-2 move along many fingers that resistance one 7-4 moves, a described end and resistance one 7-4 of brush 1 of referring to electrically contacts more, a described end and electrode two 7-2 of brush 2 12 of referring to electrically contact more, the described other ends that refer to brush 1 more and how finger brush 2 12 the other end and mutually be connected in series and all be fixedly mounted on the slide block 6; The downside of described slide block 6 is provided with and can brushes 3 13 and can brush 4 14 along many fingers that electrode five 10-2 move along many fingers that resistance two 10-4 move, a described end and resistance two 10-4 of brush 3 13 of referring to electrically contact more, a described end and electrode five 10-2 of brush 14 of referring to electrically contact more, described how finger is brushed 3 13 the other end and is referred to that the other end of brush 4 14 mutually is connected in series and all is fixedly mounted on the slide block 6 more, and the lead-out wire of described electrode one 7-1, electrode two 7-2, electrode three 7-3, electrode 10-1, electrode 10-2 and electrode six 10-3 all stretches out housing 4.The cross section of described slide block 6 is " worker " font.
As shown in Figure 1, described conductive plastics matrix 1 and conductive plastics matrix 2 10 all are fixedly mounted on the housing 4 by outer cover 3.Cover has gauze screen 9 on the lead-out wire of described electrode one 7-1, electrode two 7-2, electrode three 7-3, electrode 10-1, electrode 10-2 and electrode six 10-3, and described gauze screen 9 is connected on the housing 4 by adhesive.One end of described housing 4 is provided with the chassis 8 that is connected with housing 4; The other end of described housing 4 is provided with the back-up ring 2 that is fixedly connected with housing 4, is connected with back-up ring and all is connected with housing 4 by screw in described chassis 8.Described slide block 6 is installed in an end of sliding bar 1 by stop nut 5.
During use, push-and-pull sliding bar 1, thus refer to that brush 1 moves along resistance one 7-4 more, morely refer to brush 2 12 and slide along electrode two 7-2; Simultaneously, refer to that brush 3 13 moves along resistance two 10-4, the brushes 4 14 that refer to slide along electrode 10-2 more, obtain two groups of voltage signals by the lead-out wire with gauze screen 9 and export more.
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 (6)
1. coaxial duplex linear sliding potentiometer, it is characterized in that: comprise housing (4) and be installed in housing (4) interior conductive plastics matrix one (7) and conductive plastics matrix two (10), described conductive plastics matrix one (7) is positioned at the top of conductive plastics matrix two (10), be provided with the sliding bar (1) that stretches out housing (4) between described conductive plastics matrix one (7) and the conductive plastics matrix two (10), the lower surface of described conductive plastics matrix one (7) is provided with the resistance one (7-4) that extends along conductive plastics matrix one (7) length direction, one end of described resistance one (7-4) is provided with electrode one (7-1), the other end of described resistance one (7-4) is provided with electrode three (7-3), and the lower surface of described conductive plastics matrix one (7) and a side that is positioned at resistance one (7-4) are provided with the electrode two (7-2) that parallels with resistance one (7-4); The upper surface of described conductive plastics matrix two (10) is provided with the resistance two (10-4) that extends along conductive plastics matrix two (10) length directions, one end of described resistance two (10-4) is provided with electrode four (10-1), the other end of described resistance two (10-4) is provided with electrode six (10-3), the upper surface of described conductive plastics matrix two (10) and a side that is positioned at resistance two (10-4) are provided with the electrode five (10-2) that parallels with resistance two (10-4), the end that described sliding bar (1) stretches in the housing (4) is provided with slide block (6), the upper side of described slide block (6) is provided with can be along mobile many fingers brushes one (11) of resistance one (7-4) and can be along the mobile many fingers brushes (12) of electrode two (7-2), a described end and the resistance one (7-4) of brush one (11) of referring to electrically contacts more, a described end and the electrode two (7-2) of brush two (12) of referring to electrically contacts more, the described other ends that refer to brush one (11) more and how finger brush two (12) the other end and mutually be connected in series and all be fixedly mounted on the slide block (6); The downside of described slide block (6) is provided with can be along mobile many fingers brushes three (13) of resistance two (10-4) and can be along the mobile many fingers brushes four (14) of electrode five (10-2), a described end and the resistance two (10-4) of brush three (13) of referring to electrically contacts more, a described end and the electrode five (10-2) of brush four (14) of referring to electrically contacts more, it is described that how finger is brushed three (13) the other end and is referred to that the other end of brush four (14) mutually is connected in series and all is fixedly mounted on the slide block (6), described electrode one (7-1) more, electrode two (7-2), electrode three (7-3), electrode four (10-1), the lead-out wire of electrode five (10-2) and electrode six (10-3) all stretches out housing (4).
2. a kind of coaxial duplex linear sliding potentiometer according to claim 1, it is characterized in that: the cross section of described slide block (6) is " worker " font.
3. a kind of coaxial duplex linear sliding potentiometer according to claim 1, it is characterized in that: described conductive plastics matrix one (7) and conductive plastics matrix two (10) all are fixedly mounted on the housing (4) by outer cover (3).
4. a kind of coaxial duplex linear sliding potentiometer according to claim 1 is characterized in that: cover has gauze screen (9) on the lead-out wire of described electrode one (7-1), electrode two (7-2), electrode three (7-3), electrode (10-1), electrode (10-2) and electrode six (10-3).
5. a kind of coaxial duplex linear sliding potentiometer according to claim 1, it is characterized in that: an end of described housing (4) is provided with the chassis (8) that is connected with housing (4); The other end of described housing (4) is provided with the back-up ring (2) that is fixedly connected with housing (4).
6. a kind of coaxial duplex linear sliding potentiometer according to claim 1, it is characterized in that: described slide block (6) is installed in an end of sliding bar (1) by stop nut (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557883 CN202905355U (en) | 2012-10-26 | 2012-10-26 | Coaxial duplex straight-sliding type potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557883 CN202905355U (en) | 2012-10-26 | 2012-10-26 | Coaxial duplex straight-sliding type potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905355U true CN202905355U (en) | 2013-04-24 |
Family
ID=48125994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220557883 Expired - Fee Related CN202905355U (en) | 2012-10-26 | 2012-10-26 | Coaxial duplex straight-sliding type potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905355U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545072A (en) * | 2013-09-29 | 2014-01-29 | 昆山福烨电子有限公司 | Unidirectional adjustable potentiometer |
| WO2015090198A1 (en) | 2013-12-18 | 2015-06-25 | 江苏多维科技有限公司 | Non-contact marked potentiometer |
| CN105629027A (en) * | 2014-10-31 | 2016-06-01 | 北京精密机电控制设备研究所 | High-reliability high-wear-resistance conductive plastic potentiometer |
-
2012
- 2012-10-26 CN CN 201220557883 patent/CN202905355U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545072A (en) * | 2013-09-29 | 2014-01-29 | 昆山福烨电子有限公司 | Unidirectional adjustable potentiometer |
| CN103545072B (en) * | 2013-09-29 | 2016-05-25 | 昆山福烨电子有限公司 | A kind of unidirectional regulator potentiometer |
| WO2015090198A1 (en) | 2013-12-18 | 2015-06-25 | 江苏多维科技有限公司 | Non-contact marked potentiometer |
| CN105629027A (en) * | 2014-10-31 | 2016-06-01 | 北京精密机电控制设备研究所 | High-reliability high-wear-resistance conductive plastic potentiometer |
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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 |