CN212903135U - High-efficiency sealed visible angular displacement sensor capable of bearing rain test - Google Patents
High-efficiency sealed visible angular displacement sensor capable of bearing rain test Download PDFInfo
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- CN212903135U CN212903135U CN202021500295.6U CN202021500295U CN212903135U CN 212903135 U CN212903135 U CN 212903135U CN 202021500295 U CN202021500295 U CN 202021500295U CN 212903135 U CN212903135 U CN 212903135U
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Abstract
The utility model discloses a can bear experimental high-efficient sealed visual angle displacement sensor that drenches with rain, tube-shape shell and tube-shape enclosing cover interconnect form the installation inner chamber, the intracavity is arranged in the installation to rotatory potentiometre, the calibrated scale is installed in the installation intracavity, the pivot is connected with the pointer after passing the through-hole on the calibrated scale, the outer end inner wall of tube-shape enclosing cover is right angled right angle inner wall for radial cross section, the face-to-face contact between one side surface edge of circular transparent plate and the right angle inner wall surface of tube-shape enclosing cover, the face-to-face contact between the opposite side surface edge of circular transparent plate and one side surface of clamping ring, the clamping ring is connected with the interior wall of tube-shape enclosing cover, pointer and calibrated. The utility model discloses an install circular transparent plate in the outside of tube-shape enclosing cover to it is inboard in the outer end of tube-shape enclosing cover to inject circular transparent plate stably, reliably with the clamping ring, has waterproof function, can bear the rain test, satisfies the application demand.
Description
Technical Field
The utility model relates to an angular displacement sensor especially relates to a visual angular displacement sensor is sealed to high efficiency that can bear the rain test.
Background
The angular displacement sensor is a sensor for detecting a rotation angle signal, the basic structure comprises a cylindrical shell, a cylindrical cover plate and a rotary potentiometer, the cylindrical shell and the cylindrical cover plate are connected with each other to form an installation inner cavity, the rotary potentiometer is arranged in the installation inner cavity, a first end of a rotating shaft of the rotary potentiometer penetrates through a through hole in an end wall of the cylindrical shell and then is arranged outside the cylindrical shell and is used for being connected with an external rotating part, a lead of the rotary potentiometer penetrates out of the cylindrical shell and is used for being connected with an external processor, the external rotating part drives the rotating shaft to rotate, the rotation angle change signal of the rotary potentiometer is detected through the rotary potentiometer and is transmitted to the external processor, and the processor calculates and obtains a rotation angle value to realize an angle signal detection function of the.
The rotation angle value of the traditional angular displacement sensor can be obtained only after being calculated by an external processor, visual observation cannot be carried out, the application is limited to a certain extent, and the application requirement is difficult to meet in the application occasions where the rotation angle value is required to be obtained in time (without special accuracy) to serve as other operation references. In order to solve the problem, a pointer is connected to the second end of the rotating shaft of the rotary potentiometer, an angle dial is arranged on one side of the pointer, and a visible angular displacement sensor is formed.
However, the traditional visible angular displacement sensor has extremely poor waterproof function, cannot be used in water environment, cannot bear a rain test, and is limited in application.
For example, the visual angular displacement sensor is widely applied to complete machine systems of ships, aviation, aerospace, weapons, ships and the like, and is used for controlling and feeding back angle position signals. In the application environment with water, because water has the conductive characteristic, a plurality of complete machine systems have strict waterproof requirements, the environmental adaptation to the sensor is higher and higher along with the gradual optimization of the system, and if a single sensor is required to bear rain and the like, the traditional visible angular displacement sensor cannot meet the requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can bear the experimental high-efficient sealed visual angle displacement sensor that drenches with the rain in order to solve above-mentioned problem just.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a can bear experimental high-efficient sealed visual angle displacement sensor of drenching with rain, includes tube-shape shell, tube-shape enclosing cover, rotatory potentiometre, calibrated scale and pointer, one end opening, one end confined tube-shape shell and the equal open-ended in both ends tube-shape enclosing cover interconnect form the installation inner chamber, rotatory potentiometre is arranged in the installation inner chamber, the first end of the pivot of rotatory potentiometre is passed arrange in behind the pivot through-hole on the end wall of tube-shape shell outside the tube-shape shell, the calibrated scale is installed in the installation inner chamber and with the radial parallel of tube-shape shell, the second end of pivot is passed behind the through-hole on the calibrated scale with the pointer is connected, high-efficient sealed visual angle displacement sensor still includes circular transparent plate and annular clamping ring of circle shape, the outer end inner wall of tube-shape enclosing cover is the right angle, the utility model discloses a circular transparent plate, including the clamping ring, the pointer and the calibrated scale, the lateral surface edge of circular transparent plate with face-to-face contact between the right angle inner wall surface of tube-shape enclosing cover, the opposite side surface edge of circular transparent plate with face-to-face contact between the lateral surface of clamping ring, the clamping ring with the inner wall connection of tube-shape enclosing cover, the pointer with the calibrated scale is arranged in by outer in proper order the inboard of circular transparent plate.
Furthermore, in order to improve the sealing effect, two sealing ring grooves are arranged on the hole wall of the rotating shaft through hole in the end wall of the cylindrical shell side by side, and two sealing rings are respectively arranged in the two sealing ring grooves.
Further, in order to improve the sealing effect, wide-temperature sealing ester is coated in the sealing ring groove and between the two sealing rings.
Further, in order to improve the sealing effect, the outer wall of the rotary potentiometer and the gap between the inner walls of the cylindrical shell, the outer wall of the cylindrical shell and the gap between the inner walls of the cylindrical outer cover and the connecting corners, the compression ring and the connecting corners between the inner walls of the cylindrical outer cover, the compression ring and the inner walls of the cylindrical outer cover and the gap between the circular transparent plates are respectively filled with silicon rubber for sealing.
Further, in order to improve the sealing effect, an end cover is installed on one side of the cylindrical outer cover, a connector is installed at the outer end of the end cover, a lead of the rotary potentiometer penetrates through a corresponding through hole in the cylindrical outer cover and the through hole of the end cover and then is connected with the inner end of the connector, and a connection corner between the end cover and the outer wall of the cylindrical outer cover and silicon rubber for sealing are filled in the end cover respectively.
Further, in order to improve the sealing effect, the end cover and the cylindrical outer cover are connected through laser welding.
Preferably, for the sake of more clear observation, the dial is a hard aluminum alloy disk, the surface of the dial is coated with a white slurry layer after sand blasting, and the scale lines and characters on the dial are made of black slurry coating.
Preferably, in order to improve the temperature bearing range, the perspective performance and the wear resistance of the round transparent plate, the round transparent plate is a tempered soda-lime glass plate.
Preferably, in order to improve the connection rigidity between the rotating shaft and the pointer, the second end of the rotating shaft is connected with the pointer by welding.
The beneficial effects of the utility model reside in that:
the utility model discloses an install circular transparent plate in the outside of tube-shape enclosing cover, and through set up the right angle inner wall and limit the circular transparent plate in the outer end inboard of tube-shape enclosing cover steadily, reliably with the clamping ring in the outer end of tube-shape enclosing cover, seal up each part in installing the inner chamber and do not influence the visual function of rotation angle, have waterproof function, can bear the test of drenching with the rain, satisfy application demand; two sealing ring grooves are arranged on the wall of the through hole of the rotating shaft of the cylindrical shell side by side and two sealing rings are arranged, so that the sealing effect is obviously improved compared with one sealing ring, and the waterproof performance is further improved; through all filling silicon rubber in the position that probably has interior external clearance, make this sensor's sealing performance further improve, more showing and having increased waterproof performance, make this sensor can bear the rain test of high requirement and can use in the liquid environment of great pressure, satisfied the service condition of high waterproof performance.
Drawings
Fig. 1 is a schematic view of a high-efficiency sealed visible angular displacement sensor capable of withstanding a rain test according to the present invention;
fig. 2 is a sectional view a-a in fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 and fig. 2, the high-efficiency sealed visible angle displacement sensor capable of bearing a rain test of the present invention comprises a cylindrical housing 1, a cylindrical outer cover 2, a rotary potentiometer 13, a dial 5 and a pointer 6, wherein the cylindrical housing 1 with an open end and a closed end and the cylindrical outer cover 2 with both open ends are connected with each other to form an installation cavity, the rotary potentiometer 13 is disposed in the installation cavity, a first end of a rotary shaft 9 of the rotary potentiometer 13 passes through a rotary shaft through hole on an end wall of the cylindrical housing 1 and then is disposed outside the cylindrical housing 1, the dial 5 is installed in the installation cavity and is parallel to the radial direction of the cylindrical housing 1, a second end of the rotary shaft 9 passes through a through hole on the dial 5 and then is connected with the pointer 6, the high-efficiency sealed visible angle displacement sensor further comprises a circular transparent plate 3 and a circular annular pressure ring 4, the inner wall of the outer end of the outer, the surface contact between the right angle inner wall surface of one side surface edge and the tube-shape enclosing cover 2 of circular transparent plate 3, the surface contact between the surface of the other side of circular transparent plate 3 edge and the side surface of clamping ring 4, clamping ring 4 is connected with the inner wall of tube-shape enclosing cover 2, pointer 6 and calibrated scale 5 are in proper order by outer and interior the inboard of circular transparent plate 3.
As shown in fig. 1 and 2, when the angular displacement sensor is used, the first end of the rotating shaft 9 of the rotary potentiometer 13 is connected with an external rotating part, the lead 14 of the rotary potentiometer 13 penetrates out of the cylindrical shell 1 and is used for being connected with an external processor, the external rotating part drives the rotating shaft 9 to rotate, a rotation angle change signal of the rotating potentiometer 13 is detected and transmitted to the external processor, and the processor calculates to obtain a rotation angle value, so that the angle signal detection function of the angular displacement sensor is realized. Meanwhile, the rotating shaft 9 rotates to drive the pointer 6 to rotate, and the rotating angle can be directly obtained by observing the change of the initial position of the pointer 6 on the dial 5, so that the rotating angle value of the rotating shaft 9 can be more simply and clearly known.
As shown in fig. 1 and fig. 2, the following also discloses various optimized structures of the present invention, and one or more of the structures can be selected according to actual needs to form a more optimized technical solution after being superposed and combined with the above structures.
In order to improve the sealing effect, two sealing ring grooves 10 are arranged side by side on the hole wall of the rotating shaft through hole on the end wall of the cylindrical shell 1, and two sealing rings 12 are respectively arranged in the two sealing ring grooves 10.
In order to improve the sealing effect, wide-temperature sealing ester is coated in the sealing ring groove 10 and between the two sealing rings 12.
In order to improve the sealing effect, the gaps between the outer wall of the rotary potentiometer 13 and the inner wall of the cylindrical shell 1, the gaps between the outer wall of the cylindrical shell 1 and the inner wall of the cylindrical outer cover 2, the connection corners between the pressure ring 4 and the inner wall of the cylindrical outer cover 2, and the gaps between the pressure ring 4 and the inner wall of the cylindrical outer cover 2 and the circular transparent plate 3 are respectively filled with silicone rubber 11 for sealing.
In order to improve the sealing effect, an end cover 7 is installed on one side of the cylindrical outer cover 2, a connector 8 is installed at the outer end of the end cover 7, a lead 14 of a rotary potentiometer 13 penetrates through a corresponding through hole in the cylindrical outer cover 2 and the through hole of the end cover 7 and then is connected with the inner end of the connector 8, and silicone rubber 11 for sealing is filled in a connection corner between the end cover 7 and the outer wall of the cylindrical outer cover 2 and in the end cover 7 respectively.
In order to increase the sealing effect, the end cap 7 is laser welded to the cylindrical outer cover 2.
In order to facilitate clearer observation, the dial 5 is a hard aluminum alloy disk, the surface of the dial is coated with a white slurry layer after sand blasting, and scale marks and characters on the dial 5 are made of black slurry.
In order to improve the temperature bearing range, the perspective performance and the wear resistance of the round transparent plate 3, the round transparent plate 3 is a toughened soda-lime glass plate.
In order to improve the connection rigidity between the rotating shaft 9 and the pointer 6, the second end of the rotating shaft 9 is welded with the pointer 6.
During assembly, the circular transparent plate 3 is arranged on the right-angled inner wall of the cylindrical outer cover 2, then the pressing ring 4 is arranged for fixation, and finally the silicon rubber 11 is used for encapsulation and fixation; before the cylindrical shell 1 and the cylindrical outer cover 2 are connected, a low-pressure test of 30kPa is carried out on the cylindrical outer cover 2 provided with the circular transparent plate 3 to ensure that the sealing performance between the circular transparent plate 3 and the cylindrical outer cover 2 meets the requirement.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.
Claims (9)
1. The utility model provides a can bear experimental high-efficient sealed visual angle displacement sensor of drenching with rain, includes tube-shape shell, tube-shape enclosing cover, rotatory potentiometre, calibrated scale and pointer, one end opening, one end is sealed tube-shape shell and both ends are all open-ended tube-shape enclosing cover interconnect forms the installation inner chamber, rotatory potentiometre is arranged in the installation inner chamber, the first end of the pivot of rotatory potentiometre is passed arrange in behind the pivot through-hole on the end wall of tube-shape shell outside the tube-shape shell, the calibrated scale is installed in the installation inner chamber and with the radial parallel of tube-shape shell, the second end of pivot is passed behind the through-hole on the calibrated scale with the pointer is connected its characterized in that: the high-efficient sealed visual angle displacement sensor still includes circular transparent plate and the annular clamping ring of circle, the outer end inner wall of tube-shape enclosing cover is right angled right angle inner wall for radial cross-section, a side surface edge of circular transparent plate with face to face contact between the right angle inner wall surface of tube-shape enclosing cover, the opposite side surface edge of circular transparent plate with face to face contact between a side surface of clamping ring, the clamping ring with the interior wall connection of tube-shape enclosing cover, the pointer with the calibrated scale is arranged in by outer in proper order the inboard of circular transparent plate.
2. An efficient sealed visible angular displacement sensor capable of withstanding rain tests according to claim 1, wherein: two sealing ring grooves are arranged on the hole wall of the rotating shaft through hole in the end wall of the cylindrical shell side by side, and two sealing rings are respectively arranged in the two sealing ring grooves.
3. An efficient sealed visible angular displacement sensor capable of withstanding rain tests according to claim 2, wherein: and wide-temperature sealing ester is coated in the sealing ring groove and between the two sealing rings.
4. A highly efficient sealed visible angular displacement sensor capable of withstanding rain tests according to claim 1, 2 or 3, wherein: the outer wall of the rotary potentiometer and the gaps between the inner walls of the cylindrical shell, the outer wall of the cylindrical shell and the gaps between the inner walls of the cylindrical outer covers and the connecting corners, the compression ring and the connecting corners between the inner walls of the cylindrical outer covers, the compression ring and the inner walls of the cylindrical outer covers and the gaps between the circular transparent plates are respectively filled with silicon rubber for sealing.
5. A highly efficient sealed visible angular displacement sensor capable of withstanding rain tests according to claim 1, 2 or 3, wherein: the end cover is installed to one side of tube-shape enclosing cover, the connector is installed to the outer end of end cover, the lead wire of rotatory potentiometre passes corresponding through-hole on the tube-shape enclosing cover with behind the through-hole of end cover with the inner of connector is connected, the end cover with be connected the corner between the outer wall of tube-shape enclosing cover, it has the silicon rubber that is used for sealing to fill respectively in the end cover.
6. An efficient sealed visible angular displacement sensor capable of withstanding rain tests according to claim 5, wherein: the end cover and the cylindrical outer cover are connected through laser welding.
7. A highly efficient sealed visible angular displacement sensor capable of withstanding rain tests according to claim 1, 2 or 3, wherein: the dial is a hard aluminum alloy disc, the surface of the dial is coated with a white slurry layer after sand blasting treatment, and scale marks and characters on the dial are made of black slurry by coating.
8. A highly efficient sealed visible angular displacement sensor capable of withstanding rain tests according to claim 1, 2 or 3, wherein: the round transparent plate is a toughened sodium-calcium glass plate.
9. A highly efficient sealed visible angular displacement sensor capable of withstanding rain tests according to claim 1, 2 or 3, wherein: and the second end of the rotating shaft is connected with the pointer in a welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021500295.6U CN212903135U (en) | 2020-07-27 | 2020-07-27 | High-efficiency sealed visible angular displacement sensor capable of bearing rain test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021500295.6U CN212903135U (en) | 2020-07-27 | 2020-07-27 | High-efficiency sealed visible angular displacement sensor capable of bearing rain test |
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| CN212903135U true CN212903135U (en) | 2021-04-06 |
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| CN202021500295.6U Active CN212903135U (en) | 2020-07-27 | 2020-07-27 | High-efficiency sealed visible angular displacement sensor capable of bearing rain test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115435675A (en) * | 2022-11-07 | 2022-12-06 | 成都宏明电子股份有限公司 | High-efficiency sealed angular displacement sensor capable of preventing liquid from immersing for long time |
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2020
- 2020-07-27 CN CN202021500295.6U patent/CN212903135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115435675A (en) * | 2022-11-07 | 2022-12-06 | 成都宏明电子股份有限公司 | High-efficiency sealed angular displacement sensor capable of preventing liquid from immersing for long time |
| CN115435675B (en) * | 2022-11-07 | 2023-02-14 | 成都宏明电子股份有限公司 | High-efficiency sealed angular displacement sensor capable of preventing liquid from immersing for long time |
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