CN215447750U - High-measurement-precision plastic-guide angular displacement sensor - Google Patents
High-measurement-precision plastic-guide angular displacement sensor Download PDFInfo
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- CN215447750U CN215447750U CN202121955113.9U CN202121955113U CN215447750U CN 215447750 U CN215447750 U CN 215447750U CN 202121955113 U CN202121955113 U CN 202121955113U CN 215447750 U CN215447750 U CN 215447750U
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- electric brush
- displacement sensor
- angular displacement
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- brush arm
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Abstract
The utility model provides a plastic-guiding angular displacement sensor with high measurement precision, which comprises: casing and pivot, be equipped with conductive plastic sensing mechanism in the casing, conductive plastic sensing mechanism includes conductive plastic base member and brush, conductive plastic base member fixed mounting is in the casing, pivot fixed mounting has the brush arm, the brush is fixed to be set up on the brush arm, the brush sets up conductive plastic base member one side, brush arm one side is equipped with and is used for supporting the first bearing of brush arm, the brush arm is the injection molding. The plastic-guide angular displacement sensor with high measurement precision has a simple structure and low production cost; the injection molded electric brush arm is adopted, so that the manufacturing cost is reduced; the electric brush arm is stably installed and can output linearly-changed high-precision signals; the electric brush arm can make the electric brush and pivot insulating, unusual circumstances such as short circuit can not appear, uses safe and reliable, guarantees measurement accuracy.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a plastic-guide angular displacement sensor with high measurement precision.
Background
At present, the function of a displacement sensor is to convert linear or circular mechanical displacement into an electrical signal, by positioning a variable plastic-conductive resistor slide rail at a fixed position of the sensor, different resistance values are measured by the displacement of a brush piece on the slide rail, and the voltage between the brush piece and the beginning of the sensor is proportional to the moving angle of the brush piece. The conductive plastic angular displacement sensor can provide high-precision output signals through the uniform rotation of the electric brush, and has stable and reliable performance and longer service life.
In some prior art plastic guided angular displacement sensors, the brushes are fixedly mounted on a brush arm assembly. The brush arm assembly comprises parts such as a current collecting wire, a current collecting ring and the like, and is complex in structure and high in production cost. In the measuring process, the electric brush component and the rotating shaft component are not insulated, so that abnormal conditions such as short circuit and the like are easy to occur, the measuring result is wrong, and the inconvenience is brought to the use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the technical problem of providing a plastic-guide angular displacement sensor with simple structure and high measurement precision, and the production cost is low; the manufacturing cost of the electric brush arm is low; the installation of brush arm is firm, and the brush is insulating with the pivot, the condition such as short circuit can not appear, uses reliably, and measurement accuracy is high.
(II) technical scheme
In order to solve the above technical problems, the present invention provides a plastic-guided angular displacement sensor with high measurement accuracy, comprising: the conductive plastic sensing mechanism comprises a conductive plastic base body and an electric brush, the conductive plastic base body is fixedly arranged in the shell, the conductive plastic base body is bonded in the shell by using high-strength and high-temperature-resistant glue, and the surface of the conductive plastic base body can rotate at a constant speed through the electric brush, so that high-precision output signals can be provided, and the conductive plastic sensing mechanism is stable and reliable in performance and long in service life; the rotating shaft is fixedly provided with an electric brush arm, the electric brush arm is arranged in the shell, the electric brush is fixedly arranged on the electric brush arm, the electric brush is arranged on one side of the conductive plastic base body, a first bearing used for supporting the electric brush arm is arranged on one side of the electric brush arm, the electric brush arm can be supported, the friction force in the moving process of the rotating shaft is reduced, and the rotation precision of the rotating shaft is ensured; the electric brush arm is an injection molding piece, so that the manufacturing cost is low, the electric brush is insulated from the rotating shaft, the situations such as short circuit and the like can not occur, the use is reliable, and the measurement precision is ensured; when the electric brush is used, the rotating shaft drives the electric brush arm and the electric brush to rotate, so that the electric brush slides at a constant speed on the surface of the plastic guide substrate, and a linearly-changed high-precision signal is output.
According to the plastic-guide angular displacement sensor with high measurement precision, one end of the shell is provided with the end cover, so that the effect of protecting internal components is achieved, and the protection grade is improved; the structure is simple, and the production cost is low; the injection molded electric brush arm is adopted, so that the manufacturing cost is reduced; the electric brush arm is stably installed and can output linearly-changed high-precision signals; the electric brush arm can insulate the electric brush from the rotating shaft, so that abnormal conditions such as short circuit and the like can not occur, the use is safe and reliable, and the measurement precision is ensured; one side of the electric brush arm is provided with a first bearing which can support the electric brush arm, reduce the friction force in the motion process of the rotating shaft and ensure the rotation precision of the rotating shaft; the wiring plug-in piece component comprises a power supply positive plug-in piece, a power supply negative plug-in piece and a signal output plug-in piece, and is convenient for connecting a power supply and a signal output device; a first gasket is arranged between the electric brush arm and the first bearing and used for adjusting the axial clearance of a product, so that the vertical movement of the rotating shaft is avoided, and the electric brush runs stably and reliably; one end of the rotating shaft is provided with a groove for adjusting the initial zero position of the rotating shaft, so that the adjustment is more convenient; the casing is equipped with servo mounting groove and location mounting hole, can select an mounting means according to the demand to fix the product, simple to operate, and application range is wide.
Furthermore, the electric brush comprises a first electric brush and a second electric brush, the first electric brush and the second electric brush are fixed on the electric brush arm in a welding mode, the structure is stable, and the measurement precision is high.
Furthermore, the brush arm with be equipped with first packing ring between the first bearing, first packing ring suit is in the pivot outside, first packing ring is used for adjusting the axial clearance of product, avoids the pivot drunkenness from top to bottom, makes the brush operate steadily reliably.
Furthermore, the end part of the shell is provided with a second bearing, the second bearing is sleeved on the outer side of the rotating shaft, and the second bearing can reduce the friction force in the moving process of the rotating shaft and ensure the rotation precision of the rotating shaft.
Furthermore, a second gasket is arranged on one side of the second bearing, the second gasket is fixedly sleeved on the outer side of the rotating shaft, and the second gasket is used for adjusting the axial gap of a product, so that the electric brush runs stably and reliably, and the rotating shaft is prevented from moving up and down.
Furthermore, the first bearing and the second bearing are both high-speed ball bearings, and the use is reliable.
Furthermore, one side of the shell is provided with a wiring plug-in sheet assembly which is connected with the conductive plastic substrate; the three pins are integrally designed, are manufactured by a die pressing process and are respectively connected with three leading-out ends of a product substrate; the wiring insertion piece assembly comprises a power supply positive insertion piece, a power supply negative insertion piece and a signal output insertion piece, and is convenient for connecting a power supply and a signal output device.
Furthermore, pivot one end is equipped with the recess, the recess is the line, and the recess is used for adjusting the initial zero position of pivot, and it is more convenient to adjust. The rotating shaft is driven to rotate by an external power device.
Further, the casing is equipped with servo mounting groove and location mounting hole, can select an mounting means to fix the product according to the demand, simple to operate, and application range is wide.
Furthermore, an end cover is arranged at one end of the shell and plays a role in protecting internal components, so that the protection grade is improved.
(III) advantageous effects
The plastic-guide angular displacement sensor with high measurement precision has a simple structure and low production cost; the injection molded electric brush arm is adopted, so that the manufacturing cost is reduced; the electric brush arm is stably installed and can output linearly-changed high-precision signals; the electric brush arm can insulate the electric brush from the rotating shaft, so that abnormal conditions such as short circuit and the like can not occur, the use is safe and reliable, and the measurement precision is ensured; one side of the electric brush arm is provided with a first bearing which can support the electric brush arm, reduce the friction force in the motion process of the rotating shaft and ensure the rotation precision of the rotating shaft; the wiring plug-in piece component comprises a power supply positive plug-in piece, a power supply negative plug-in piece and a signal output plug-in piece, and is convenient for connecting a power supply and a signal output device; a first gasket is arranged between the electric brush arm and the first bearing and used for adjusting the axial clearance of a product, so that the vertical movement of the rotating shaft is avoided, and the electric brush runs stably and reliably; one end of the rotating shaft is provided with a groove for adjusting the initial zero position of the rotating shaft, so that the adjustment is more convenient; the shell is provided with a servo mounting groove and a positioning mounting hole, so that a product can be fixed by selecting a mounting mode according to requirements, the mounting is convenient, and the application range is wide; an end cover is arranged at one end of the shell, so that the effect of protecting internal components is achieved, and the protection grade is improved.
Drawings
FIG. 1 is a front view of a plastic-guided angular displacement sensor with high measurement accuracy according to the present invention;
FIG. 2 is a top view of the plastic-guided angular displacement sensor of the present invention with high measurement accuracy;
FIG. 3 is a cross-sectional view of a plastic-guided angular displacement sensor with high measurement accuracy according to the present invention;
wherein: the structure comprises a shell 1, a servo mounting groove 101, a positioning mounting hole 102, an end cover 103, a rotating shaft 2, a groove 201, a conductive plastic base body 3, an electric brush 4, a first electric brush 401, a second electric brush 402, an electric brush arm 5, a first bearing 501, a first gasket 502, a second bearing 6, a second gasket 601, a wiring plug-in piece assembly 7, a power supply positive plug-in piece 701, a power supply negative plug-in piece 702 and a signal output plug-in piece 703.
Detailed Description
Referring to fig. 1 to 3, the present invention provides a plastic-guided angular displacement sensor with high measurement accuracy, including: the conductive plastic sensing mechanism comprises a conductive plastic base body 3 and an electric brush 4, the conductive plastic base body 3 is fixedly arranged in the shell 1, the conductive plastic base body is adhered to the inside of the shell by using high-strength and high-temperature-resistant glue, and the electric brush rotates on the surface of the conductive plastic base body at a constant speed, so that high-precision output signals can be provided, and the conductive plastic sensing mechanism is stable and reliable in performance and long in service life; the rotating shaft 2 is fixedly provided with a brush arm 5, the brush arm 5 is arranged in the shell 1, a brush 4 is fixedly arranged on the brush arm 5, the brush 4 is arranged on one side of the conductive plastic base body 3, one side of the brush arm 5 is provided with a first bearing 501 for supporting the brush arm 5, the brush arm 5 can be supported, the friction force in the moving process of the rotating shaft is reduced, and the rotation precision of the rotating shaft is ensured; the electric brush arm 5 is an injection molding piece, so that the manufacturing cost is low, the electric brush is insulated from the rotating shaft, the conditions such as short circuit and the like can not occur, the use is reliable, and the measurement precision is ensured; when the device is used, the rotating shaft 2 drives the electric brush arm 5 and the electric brush 4 to rotate, so that the electric brush slides at a constant speed on the surface of the plastic guide substrate and outputs a linearly-changed high-precision signal, and the rotating shaft is made of stainless steel in the implementation. According to the plastic-guide angular displacement sensor with high measurement precision, the shell is provided with the servo mounting groove and the positioning mounting hole, a product can be fixed by selecting a mounting mode according to requirements, the mounting is convenient, and the application range is wide; an end cover is arranged at one end of the shell, so that the effect of protecting internal components is achieved, and the protection grade is improved; the structure is simple, and the production cost is low; the injection molded electric brush arm is adopted, so that the manufacturing cost is reduced; the electric brush arm is stably installed and can output linearly-changed high-precision signals; the wiring plug-in piece component comprises a power supply positive plug-in piece, a power supply negative plug-in piece and a signal output plug-in piece, and is convenient for connecting a power supply and a signal output device; a first gasket is arranged between the electric brush arm and the first bearing and used for adjusting the axial clearance of a product, so that the vertical movement of the rotating shaft is avoided, and the electric brush runs stably and reliably; one end of the rotating shaft is provided with a groove for adjusting the initial zero position of the rotating shaft, so that the adjustment is more convenient.
Referring to fig. 2 and 3, the brush 4 includes a first brush 401 and a second brush 402, and both the first brush 401 and the second brush 402 are fixed on the brush arm 5 by welding, so that the structure is stable, and the measurement accuracy is higher due to the two brushes. Be equipped with first packing ring 502 between brush arm 5 and the first bearing 501, first packing ring 502 suit is in the 2 outsides of pivot, and first packing ring is used for adjusting the axial clearance of product, avoids the pivot drunkenness from top to bottom, makes the brush operate steadily reliably. The end of the shell 1 is provided with a second bearing 6, the second bearing 6 is sleeved on the outer side of the rotating shaft 2, and the second bearing 6 can reduce the friction force in the moving process of the rotating shaft and ensure the rotation precision of the rotating shaft. A second washer 601 is arranged on one side of the second bearing 6, the second washer 601 is fixedly sleeved on the outer side of the rotating shaft 2, and the second washer is used for adjusting the axial gap of a product, so that the electric brush runs stably and reliably, and the rotating shaft is prevented from moving up and down. The first bearing 501 and the second bearing 6 are both high-speed ball bearings, and are reliable in use.
Referring to fig. 1 and 2, a wiring plug-in sheet assembly 7 is arranged on one side of the shell 1, and the wiring plug-in sheet assembly 7 is connected with the conductive plastic substrate 3; the three pins are integrally designed, are manufactured by a die pressing process and are respectively connected with three leading-out ends of a product substrate; the connection plug-in piece component 7 comprises a power supply positive plug-in piece 701, a power supply negative plug-in piece 702 and a signal output plug-in piece 703, and is convenient for connecting a power supply and a signal output device.
Referring to fig. 1 and 2, a groove 201 is formed at one end of the rotating shaft 2, the groove 201 is in a straight shape, and the groove 201 is used for adjusting the initial zero position of the rotating shaft 2, so that the adjustment is more convenient. The rotating shaft 2 is driven to rotate by an external power device.
Referring to fig. 2 and 3, the housing 1 is provided with a servo mounting groove 101 and a positioning mounting hole 102, so that a product can be fixed by selecting a mounting method according to requirements, and the mounting is convenient and the application range is wide. An end cover 103 is arranged at one end of the shell 1, and plays a role in protecting internal components, so that the protection grade is improved.
According to the plastic-guide angular displacement sensor with high measurement precision, one end of the rotating shaft is provided with the groove for adjusting the initial zero position of the rotating shaft, so that the adjustment is more convenient and faster; the shell is provided with a servo mounting groove and a positioning mounting hole, so that a product can be fixed by selecting a mounting mode according to requirements, the mounting is convenient, and the application range is wide; an end cover is arranged at one end of the shell, so that the effect of protecting internal components is achieved, and the protection grade is improved; the structure is simple, and the production cost is low; the injection molded electric brush arm is adopted, so that the manufacturing cost is reduced; the electric brush arm is stably installed and can output linearly-changed high-precision signals; the electric brush arm can insulate the electric brush from the rotating shaft, so that abnormal conditions such as short circuit and the like can not occur, the use is safe and reliable, and the measurement precision is ensured; one side of the electric brush arm is provided with a first bearing which can support the electric brush arm, reduce the friction force in the motion process of the rotating shaft and ensure the rotation precision of the rotating shaft; the wiring plug-in piece component comprises a power supply positive plug-in piece, a power supply negative plug-in piece and a signal output plug-in piece, and is convenient for connecting a power supply and a signal output device; be equipped with first packing ring between brush arm and the first bearing for adjust the axial clearance of product, avoid the pivot drunkenness from top to bottom, make the brush operate steadily reliably.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a lead and mould angular displacement sensor that measurement accuracy is high which characterized in that includes: the electric brush comprises a shell (1) and a rotating shaft (2), wherein a conductive plastic sensing mechanism is arranged in the shell (1) and comprises a conductive plastic base body (3) and an electric brush (4), the conductive plastic base body (3) is fixedly installed in the shell (1), an electric brush arm (5) is fixedly installed on the rotating shaft (2), the electric brush arm (5) is arranged in the shell (1), the electric brush (4) is fixedly arranged on the electric brush arm (5), the electric brush (4) is arranged on one side of the conductive plastic base body (3), a first bearing (501) used for supporting the electric brush arm (5) is arranged on one side of the electric brush arm (5), and the electric brush arm (5) is an injection molding piece; when the electric brush is used, the rotating shaft (2) drives the electric brush arm (5) and the electric brush (4) to rotate.
2. The plastic guided angular displacement sensor of claim 1, wherein the brush (4) comprises a first brush (401) and a second brush (402), and the first brush (401) and the second brush (402) are fixed on the brush arm (5) by welding.
3. The plastic-guided angular displacement sensor with high measurement precision as claimed in claim 1, wherein a first washer (502) is arranged between the brush arm (5) and the first bearing (501), and the first washer (502) is sleeved outside the rotating shaft (2).
4. The plastic-guided angular displacement sensor with high measurement precision as claimed in claim 1, wherein the end of the housing (1) is provided with a second bearing (6), and the second bearing (6) is sleeved outside the rotating shaft (2).
5. The plastic-guided angular displacement sensor with high measurement precision as claimed in claim 4, characterized in that a second washer (601) is arranged on one side of the second bearing (6), and the second washer (601) is fixedly sleeved on the outer side of the rotating shaft (2).
6. The plastic-guided angular displacement sensor with high measurement precision of claim 4, wherein the first bearing (501) and the second bearing (6) are both high-speed ball bearings.
7. The plastic-guide angular displacement sensor with high measurement precision as claimed in claim 1, wherein a wiring plug-in sheet component (7) is arranged on one side of the housing (1), the wiring plug-in sheet component (7) is connected with the conductive plastic substrate (3), and the wiring plug-in sheet component (7) comprises a power supply positive plug-in sheet (701), a power supply negative plug-in sheet (702) and a signal output plug-in sheet (703).
8. The plastic-guided angular displacement sensor with high measurement precision as claimed in claim 1, wherein one end of the rotating shaft (2) is provided with a groove (201), and the groove (201) is in a straight line shape.
9. The plastic-guided angular displacement sensor with high measurement precision as set forth in claim 1, characterized in that the housing (1) is provided with a servo mounting groove (101) and a positioning mounting hole (102).
10. The plastic-guided angular displacement sensor with high measurement precision as claimed in claim 1, wherein an end cap (103) is provided at one end of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121955113.9U CN215447750U (en) | 2021-08-19 | 2021-08-19 | High-measurement-precision plastic-guide angular displacement sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121955113.9U CN215447750U (en) | 2021-08-19 | 2021-08-19 | High-measurement-precision plastic-guide angular displacement sensor |
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| CN215447750U true CN215447750U (en) | 2022-01-07 |
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| CN202121955113.9U Active CN215447750U (en) | 2021-08-19 | 2021-08-19 | High-measurement-precision plastic-guide angular displacement sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383496A (en) * | 2022-03-23 | 2022-04-22 | 四川永星电子有限公司 | Small-size large-stroke angular displacement sensor |
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2021
- 2021-08-19 CN CN202121955113.9U patent/CN215447750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383496A (en) * | 2022-03-23 | 2022-04-22 | 四川永星电子有限公司 | Small-size large-stroke angular displacement sensor |
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