CN201348494Y - Straight-line displacement sensor - Google Patents
Straight-line displacement sensor Download PDFInfo
- Publication number
- CN201348494Y CN201348494Y CNU2009200673701U CN200920067370U CN201348494Y CN 201348494 Y CN201348494 Y CN 201348494Y CN U2009200673701 U CNU2009200673701 U CN U2009200673701U CN 200920067370 U CN200920067370 U CN 200920067370U CN 201348494 Y CN201348494 Y CN 201348494Y
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- China
- Prior art keywords
- brush
- slide block
- pull bar
- substrate
- supporting cover
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- 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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Abstract
The utility model relates to a sensor, in particular to a straight-line displacement sensor, which aims to provide a straight-line displacement sensor. The sensor has the advantages of dust prevention, water resistance, steady output signals and simple structure and connection method; therefore, the utility model provides a straight-line displacement sensor, which comprises a casing, a slide bar, a substrate, an output end cover, a guiding support cover and an electric brush slide block, wherein the substrate is arranged in a substrate fixing groove on the inside wall of the casing; a pull rod penetrates through a pull rod mounting hole and stretches into the casing; the pull rod is formed by fixing the slide bar and a fixed screw rod on a coaxial line; the electric brush slide block is fixed at one end of the slide bar positioned in the casing; an electric brush contact terminal arranged on the electric brush slide block is connected to a resistance guiding rail and can slide on the resistance guiding rail along with the movement of the pull rod; an aviation connector and three circuit connecting ends connected with the resistance guiding rail are arranged at one end of the substrate; and the circuit connecting ends are connected to three output terminals of the output end cover respectively.
Description
Technical field
The utility model relates to a kind of sensor, relates in particular to a kind of linear displacement transducer structure.
Background technology
Linear displacement transducer is widely used in various engineering machinery at present, as injection machine, tunnel drill, automobile, reisilometer or the like, though can satisfy the needs of engineering survey, but linear displacement transducer compares under the condition of severe in work long hours back or condition of work, meeting water inlet occurs or advances the situation of dust, perhaps work under the environment of high strength shake, the phenomenon that signal is beated can appear in linear displacement transducer.
The utility model content
The purpose of this utility model provides a kind of linear displacement transducer, and this pickup dust-proofing is waterproof, stable output signal again, and structure and connected mode are simple.
In order to achieve the above object, a kind of linear displacement transducer of the utility model, comprise housing, slide bar, substrate, the output end cap, guiding supporting cover and brush slide block, described housing is the linear square tube, in square tube, be provided with the substrate pickup groove near one side madial wall, wherein card is established described substrate, this substrate is provided with three resistance guide rails, one end of housing is fixed with the output end cap, the other end is fixed with the guiding supporting cover, this guiding supporting cover is provided with the pull bar mounting hole, a pull bar passes described pull bar mounting hole and extend in the described housing, described pull bar is fixedly to be formed by described slide bar and standing screw coaxial cable, standing screw is positioned at the end that slide bar is exposed to described housing, the end that slide bar is positioned at housing is fixed with the brush slide block, this brush slide block be provided with housing in four jiaos of four corresponding sway braces, also be provided with the brush fixed leg, be fixed with brush on this brush fixed leg, the free end of brush is contacted with on the described resistance guide rail, and can move on the resistance guide rail with pull bar and slide, three circuit links that one end of substrate is provided with aviation company's joint and is connected with described resistance guide rail, this circuit link are connected on three lead-out terminals of described output end cap.
Further, the junction of standing screw and slide bar is the spacing film trap of pull bar negative direction on the described pull bar, the spacing film trap of this negative direction is provided with pull bar negative direction banking stop, the inboard of described slide bar power up brush slide block is provided with pull bar positive dirction jump ring groove, be provided with jump ring in this pull bar positive dirction jump ring groove, the outside of slide bar power up brush slide block is provided with the brush slide block jump ring groove of fixing described brush slide block, is provided with pad and little jump ring in this brush slide block jump ring groove.
Further, also be provided with dust ring fixed orifice and the water proof ring fixed orifice coaxial on the described guiding supporting cover, be provided with dustproof supporting cover in the dust ring fixed orifice, be provided with the waterproof supporting cover in the water proof ring fixed orifice with described pull bar mounting hole.
Further, also be provided with anti-shake spring mounting hole on the described brush slide block, be provided with anti-shake spring in this anti-shake spring mounting hole.
Wherein, the junction between described guiding supporting cover, output end cap and shell scribbles silica gel; Described resistance guide rail is a carbon film, or is the layer high molecule conductive plastic material.
The utility model makes it compared with prior art owing to adopted above-mentioned technical scheme, has following advantage and good effect:
The utility model linear displacement transducer simple in structure, superior performance owing to adopted a lot of standard components, helps mass production, the cost performance height; The brush slide block is provided with anti-shake spring mounting hole, be provided with anti-shake spring in the anti-shake spring mounting hole, this structure guarantees that the brush contact contacts with the stable of substrate resistance guide rail, has improved the life-span of product, even under the working environment of highly shake, the phenomenon of signal jitter also can not appear; The inside of guiding supporting cover is provided with two water proof rings and a dust ring, has guaranteed the waterproof and the dustproof effect of product, has prolonged life of product, has enlarged the usable range of product.
Description of drawings
To embodiment of the present utility model and in conjunction with the description of its accompanying drawing, can further understand the purpose of this utility model, specific structural features and advantage by following.Wherein, accompanying drawing is:
Fig. 1 is the perspective view of the utility model linear displacement transducer.
Fig. 2 is an inner structure synoptic diagram of the present utility model.
Fig. 3 is a Tiebar structure synoptic diagram of the present utility model.
Fig. 4 is a substrate structure synoptic diagram of the present utility model.
Fig. 5 is a housing cut-open view of the present utility model.
Fig. 6 is a brush slide block front view of the present utility model.
Fig. 7 is a brush slide block cut-open view of the present utility model.
Fig. 8 is the structural representation of output end cap of the present utility model.
Fig. 9 is the cut-open view of guiding supporting cover of the present utility model.
Among the figure: 1. housing; 2. substrate pickup groove; 3. slide bar; 4. the spacing film trap of pull bar negative direction; 5. pull bar positive dirction jump ring groove; 6. brush slide block jump ring groove; 7. substrate; 8. resistance guide rail; 9. circuit link; 10. brush slide block; 11. brush fixed leg; 12. sway brace; 13. pull bar mounting hole; 14. anti-shake spring mounting hole; 15. output end cap; 16. aviation company's joint; 17. lead-out terminal; 18. guiding supporting cover; 19. dust ring fixed orifice; 20. water proof ring fixed orifice; 21. pull bar mounting hole; 22. jump ring; 23. brush; 24. dustproof supporting cover; 25. waterproof supporting cover; 26. standing screw; 27. pull bar negative direction banking stop.
Embodiment
As Fig. 1, shown in Figure 2, the utility model linear displacement transducer comprises housing 1, slide bar 3, substrate 7, output end cap 15, brush slide block 10, guiding supporting cover 18, the material of housing 1 is an aluminium, its inside is provided with substrate pickup groove 2 (as Fig. 5), substrate 7 is arranged in the substrate pickup groove 2, as shown in Figure 4, form resistance guide rail 8 by brushing carbon film or multilayer conductive plastics on the substrate 7, in the present embodiment, resistance guide rail 8 is to be formed by the brushing of multilayer conductive plastic material, with reference to Fig. 6, shown in Figure 7, brush slide block 10 is provided with brush fixed leg 11, four sway braces 12, pull bar mounting hole 13 and anti-shake spring mounting hole 14, the brush mounting hole of brush fixed leg 11 and brush 23 is connected, firm with ultrasonic soldering, prevent the phenomenon that occurs coming off under the environment of highly shake, four sway braces 12 are connected with the inwall of housing 1, guarantee brush slide block 10 parallel sliding in housing 1, with the brush contact of assurance brush 23 and the contact stabilization of resistance guide rail 8, anti-shake spring mounting hole 14 inside are provided with anti-shake spring, pull bar passes pull bar mounting hole 13 and is connected with anti-shake spring, anti-shake spring has guaranteed that brush slide block 10 and the tight of pull bar are connected, make brush contact and 7 stable connections of substrate, prevent under the working environment of high strength shake, the phenomenon that output signal is beated to occur.As shown in Figure 3, pull bar comprises slide bar 3 and standing screw 26, slide bar 3 and standing screw 26 adopt and are threaded, establish the spacing film trap 4 of a pull bar slip negative direction in both junctions, establish a pull bar slip negative direction banking stop 27 in this spacing film trap 4, slide bar 3 is provided with the spacing jump ring groove 5 of pull bar slip positive dirction, be provided with a little jump ring in this spacing jump ring groove 5, bottom position at slide bar 3 also is provided with fixed brush slide block jump ring groove 6, this jump ring groove 6 is provided with a pad and a little jump ring, pad makes that with little jump ring being connected of brush slide block 10 and pull bar is very tight, guarantees the reliability of output signal.As Fig. 8, output end cap 15 is provided with five lead-out terminals 17 and aviation company's joint 16, wherein three lead-out terminals respectively with substrate 7 on three circuit links 9 be connected by lead, these three lead-out terminals 17 respectively with the power end of upper computer control system, signal end, hold connection, form a complete electric loop.Aviation company's joint 16 mainly is the Fast Installation debugging that makes things convenient for linear displacement transducer.As shown in Figure 9, be provided with dust ring fixed orifice 19, water proof ring fixed orifice 20 and pull bar mounting hole 21 in the guiding supporting cover 18, be provided with a dustproof supporting cover 24 in the dustproof fixed orifice 19, be provided with a dust ring in the dustproof supporting cover 24, be provided with two waterproof supporting covers 25 in the water proof ring fixed orifice 20, establish two water proof rings in the waterproof supporting cover 25 respectively, slide bar 3 passes dust ring, two water proof rings and pull bar mounting hole 21, and dust ring and water proof ring are fixed on guiding supporting cover 18 inside by a jump ring.Guiding supporting cover 18, output end cap 15 are connected with sensor outer housing 1, add silica gel sealing in the junction, and fastening with fixed screw.
In the use, when standing screw 26 under dynamic action, the brush 23 that pull bar can drive on the brush slide block 10 moves on the resistance guide rail 8 of substrate 7, corresponding linear change will take place in the signal of circuit, this signal is by the lead-out terminal Be Controlled system acquisition of output end cap, control system is judged the current displacement situation of brush slide block, i.e. the displacement situation of measured target according to the signal of gathering.
Though the utility model is illustrated hereinbefore according to embodiment, this does not represent that scope of the present utility model is confined to above-mentioned structure, if by structure that claim of the present utility model covered all within protection domain.Those skilled in the art can be developed the equivalent substitution structure that at an easy rate after reading above-mentioned explanation, in following equalization variation and the modification of being done of spirit that does not break away from the utility model and scope, all should be covered by within the utility model claim.
Claims (6)
1. linear displacement transducer, comprise housing (1), slide bar (3), substrate (7), output end cap (15), guiding supporting cover (18) and brush slide block (10), it is characterized in that, described housing (1) is the linear square tube, in square tube, be provided with substrate pickup groove (2) near one side madial wall, wherein card is established described substrate (7), this substrate (7) is provided with three resistance guide rails (8), one end of housing (1) is fixed with output end cap (15), the other end is fixed with guiding supporting cover (18), this guiding supporting cover (18) is provided with pull bar mounting hole (21), a pull bar passes described pull bar mounting hole (21) and extend in the described housing (1), described pull bar is fixedly to be formed by described slide bar (3) and standing screw (26) coaxial cable, standing screw (26) is positioned at the end that slide bar (3) is exposed to described housing (1), the end that slide bar (3) is positioned at housing (1) is fixed with brush slide block (10), this brush slide block (10) is provided with and interior four jiaos of corresponding four sway braces (12) of housing (1), also be provided with brush fixed leg (11), be fixed with brush (23) on this brush fixed leg (11), the free end of brush (23) is contacted with on the described resistance guide rail (8), and can move at resistance guide rail (8) with pull bar and go up slip, three circuit links (9) that one end of substrate (7) is provided with aviation company's joint (16) and is connected with described resistance guide rail (8), this circuit link (9) is connected on three lead-out terminals (17) of described output end cap (15).
2. linear displacement transducer according to claim 1, it is characterized in that, the junction of standing screw on the described pull bar (26) and slide bar (3) is the spacing film trap of pull bar negative direction (4), the spacing film trap of this negative direction (4) is provided with pull bar negative direction banking stop (27), the inboard of described slide bar (3) power up brush slide block (10) is provided with pull bar positive dirction jump ring groove (5), be provided with jump ring (22) in this pull bar positive dirction jump ring groove (5), the outside of slide bar (3) power up brush slide block (10) is provided with the brush slide block jump ring groove (6) of fixing described brush slide block (10), is provided with pad and little jump ring in this brush slide block jump ring groove (6).
3. linear displacement transducer according to claim 1, it is characterized in that, also be provided with dust ring fixed orifice (19) and the water proof ring fixed orifice (20) coaxial on the described guiding supporting cover (18) with described pull bar mounting hole (21), be provided with dustproof supporting cover (24) in the dust ring fixed orifice (19), be provided with waterproof supporting cover (25) in the water proof ring fixed orifice (20).
4. linear displacement transducer according to claim 1 is characterized in that, the junction between described guiding supporting cover (18), output end cap (15) and shell (1) scribbles silica gel.
5. linear displacement transducer according to claim 1 is characterized in that, also is provided with anti-shake spring mounting hole (14) on the described brush slide block (10), is provided with anti-shake spring in this anti-shake spring mounting hole (14).
6. according to each described linear displacement transducer of claim 1 to 5, it is characterized in that described resistance guide rail (8) is a carbon film, or be the layer high molecule conductive plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200673701U CN201348494Y (en) | 2009-01-23 | 2009-01-23 | Straight-line displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200673701U CN201348494Y (en) | 2009-01-23 | 2009-01-23 | Straight-line displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201348494Y true CN201348494Y (en) | 2009-11-18 |
Family
ID=41367960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200673701U Expired - Fee Related CN201348494Y (en) | 2009-01-23 | 2009-01-23 | Straight-line displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201348494Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090785A (en) * | 2011-10-28 | 2013-05-08 | 北京精密机电控制设备研究所 | Integrated triple redundancy angle displacement measurement device |
| CN104154891A (en) * | 2013-05-13 | 2014-11-19 | 重庆长安汽车股份有限公司 | Displacement measuring device and method of tightener |
| CN105987658A (en) * | 2015-02-13 | 2016-10-05 | 郑佳明 | Linear actuator capable of measuring distance |
| CN106524889A (en) * | 2016-10-21 | 2017-03-22 | 安徽沃巴弗电子科技有限公司 | Pull rod linear displacement sensor |
| CN108426589A (en) * | 2018-05-04 | 2018-08-21 | 深圳市昌龙盛机电技术有限公司 | A kind of anti-vibration pull rod sensor |
| CN108955509A (en) * | 2018-09-19 | 2018-12-07 | 枣阳市米朗科技有限公司 | A kind of magnetic towed carbon membrane linear displacement sensor with high sealing performance |
| CN108955476A (en) * | 2018-08-30 | 2018-12-07 | 枣阳市米朗科技有限公司 | A kind of film type carbon linear displacement transducer |
| CN109215911A (en) * | 2018-10-13 | 2019-01-15 | 台州量子电子科技有限公司 | A kind of linear potentiometer for measurement |
| CN111089536A (en) * | 2019-12-25 | 2020-05-01 | 枣阳市米朗科技有限公司 | Multi-circle carbon film angular displacement sensor |
| CN111779950A (en) * | 2019-04-04 | 2020-10-16 | 中山大山摄影器材有限公司 | Photographic device and electric control sliding device thereof |
| CN111888184A (en) * | 2020-07-17 | 2020-11-06 | 哈尔滨工业大学 | Hand exoskeleton for rehabilitation robot |
| CN112415925A (en) * | 2020-10-30 | 2021-02-26 | 南京工程学院 | Displacement sensor control circuit and displacement sensor |
-
2009
- 2009-01-23 CN CNU2009200673701U patent/CN201348494Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090785B (en) * | 2011-10-28 | 2015-09-30 | 北京精密机电控制设备研究所 | Integral type triple redundancy angle displacement measurement device |
| CN103090785A (en) * | 2011-10-28 | 2013-05-08 | 北京精密机电控制设备研究所 | Integrated triple redundancy angle displacement measurement device |
| CN104154891A (en) * | 2013-05-13 | 2014-11-19 | 重庆长安汽车股份有限公司 | Displacement measuring device and method of tightener |
| CN105987658A (en) * | 2015-02-13 | 2016-10-05 | 郑佳明 | Linear actuator capable of measuring distance |
| CN106524889A (en) * | 2016-10-21 | 2017-03-22 | 安徽沃巴弗电子科技有限公司 | Pull rod linear displacement sensor |
| CN108426589A (en) * | 2018-05-04 | 2018-08-21 | 深圳市昌龙盛机电技术有限公司 | A kind of anti-vibration pull rod sensor |
| CN108955476A (en) * | 2018-08-30 | 2018-12-07 | 枣阳市米朗科技有限公司 | A kind of film type carbon linear displacement transducer |
| CN108955509B (en) * | 2018-09-19 | 2024-04-09 | 湖北米朗科技股份有限公司 | Magnetic drag type carbon film linear displacement sensor with high sealing performance |
| CN108955509A (en) * | 2018-09-19 | 2018-12-07 | 枣阳市米朗科技有限公司 | A kind of magnetic towed carbon membrane linear displacement sensor with high sealing performance |
| CN109215911A (en) * | 2018-10-13 | 2019-01-15 | 台州量子电子科技有限公司 | A kind of linear potentiometer for measurement |
| CN109215911B (en) * | 2018-10-13 | 2023-12-26 | 台州量子电子科技有限公司 | Linear potentiometer for measurement |
| CN111779950A (en) * | 2019-04-04 | 2020-10-16 | 中山大山摄影器材有限公司 | Photographic device and electric control sliding device thereof |
| CN111089536B (en) * | 2019-12-25 | 2021-08-24 | 枣阳市米朗科技有限公司 | Multi-circle carbon film angular displacement sensor |
| CN111089536A (en) * | 2019-12-25 | 2020-05-01 | 枣阳市米朗科技有限公司 | Multi-circle carbon film angular displacement sensor |
| CN111888184A (en) * | 2020-07-17 | 2020-11-06 | 哈尔滨工业大学 | Hand exoskeleton for rehabilitation robot |
| CN112415925A (en) * | 2020-10-30 | 2021-02-26 | 南京工程学院 | Displacement sensor control circuit and displacement sensor |
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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: 20091118 Termination date: 20120123 |