CN210070849U - Hollow conductive plastic angular displacement sensor - Google Patents
Hollow conductive plastic angular displacement sensor Download PDFInfo
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- CN210070849U CN210070849U CN201922371049.9U CN201922371049U CN210070849U CN 210070849 U CN210070849 U CN 210070849U CN 201922371049 U CN201922371049 U CN 201922371049U CN 210070849 U CN210070849 U CN 210070849U
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- angular displacement
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- displacement sensor
- bearing
- rotating shaft
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Abstract
The utility model relates to a hollow conductive plastic angular displacement sensor, which comprises a base, a bearing, a resistance card, a shell and a hollow rotating shaft, wherein the shell is connected on the base; the bearing and the resistance card are respectively arranged in the base, the resistance card is positioned above the bearing, the rotating shaft is arranged in the bearing and penetrates through the resistance card and the shell, and the rotating shaft is provided with an insulating sleeve facing the resistance card; the insulating sleeve is provided with an electric brush seat, the electric brush seat is provided with an electric brush connected with the resistance chip, and a rotating shaft of the electric brush drives the electric brush to rotate on the resistance chip; the side face of the base is provided with a wire outlet hole, the resistor disc is provided with a lead-out wire, and the lead-out wire is led out from the wire outlet hole. The utility model discloses the user's installation of being convenient for can practice thrift assembly labour cost, also can avoid leading to the condition emergence of conductive plastic angular displacement sensor position feedback inaccuracy or inoperative because of the user side installation is inaccurate, can practice thrift the complete machine space in addition, the miniaturized design of the complete machine of being convenient for.
Description
Technical Field
The utility model relates to a cavity conductive plastic angular displacement sensor belongs to electronic components technical field.
Background
The angular displacement sensor of conductive plastics converts the angular displacement into an electric signal, and the electric signal is in direct proportion to the output electric signal, so that the accurate positioning of the displacement is realized, and the sensor is used for control, monitoring and diagnosis. The high-frequency high-precision high-resolution high-frequency-resistance high. At present, the installation mode of the conductive plastic angular displacement sensor mainly comprises shaft sleeve installation, servo installation and screw installation, the installation mode is complex and requires accurate size of a connecting mechanism matched with the installation mode, so that the conductive plastic angular displacement sensor can be ensured to be accurately fixed, otherwise, clearance and poor concentricity can exist or the internal structure of the conductive plastic angular displacement sensor is damaged, and the feedback of the conductive plastic angular displacement sensor is inaccurate or the conductive plastic angular displacement sensor does not work. With the development of weaponry in the directions of high precision and miniaturization, the conventional installation mode of the conductive plastic angular displacement sensor is difficult to meet the market demand.
At present, the conductive plastic angular displacement sensor is connected with a connecting mechanism of a user through a shaft sleeve installation mode, a servo installation mode or a screw installation mode, then the conductive plastic angular displacement sensor is driven to rotate, an output voltage signal in a direct proportion relation with the angular displacement change is obtained, and the following defects exist: the requirement on the precision of the installation size is high, and the assembly difficulty is high; the concentricity of the conductive plastic angular displacement sensor and the connecting mechanism is not easy to be ensured or the internal structure of the conductive plastic angular displacement sensor is not easy to be damaged, the position feedback precision is influenced or the sensor does not work, and the reliability is low; the user needs to specially design the matching parts to match with the device, and the space of the whole device is increased.
Disclosure of Invention
The utility model discloses overcome the weak point among the prior art, provide a cavity conductive plastic angular displacement sensor, this linear displacement sensor is the duplex product with two simply connected product combinations, can export two way synchronizing signal simultaneously, has improved the reliability that the product used.
The utility model provides a technical scheme that above-mentioned technical problem provided is: a hollow conductive plastic angular displacement sensor comprises a base, a bearing, a resistance card, a shell and a hollow rotating shaft, wherein the shell is connected to the base;
the bearing and the resistance card are respectively arranged in the base, the resistance card is positioned above the bearing, the rotating shaft is arranged in the bearing and penetrates through the resistance card and the shell, and the rotating shaft is provided with an insulating sleeve facing the resistance card; the insulating sleeve is provided with an electric brush seat, the electric brush seat is provided with an electric brush connected with the resistance chip, and a rotating shaft of the electric brush drives the electric brush to rotate on the resistance chip;
the side face of the base is provided with a wire outlet hole, the resistor disc is provided with a lead-out wire, and the lead-out wire is led out from the wire outlet hole.
The further technical scheme is that a washer which is padded on the bearing is also arranged on the rotating shaft.
The further technical scheme is that epoxy resin is arranged on the wire outlet hole for sealing.
The further technical scheme is that a heat-shrinkable tube is sleeved on the leading-out wire.
The further technical proposal is that the shell is connected on the base through a countersunk head screw.
The utility model discloses following beneficial effect has: the utility model discloses the user's installation of being convenient for can practice thrift assembly labour cost, also can avoid leading to the condition emergence of conductive plastic angular displacement sensor position feedback inaccuracy or inoperative because of the user side installation is inaccurate, can practice thrift the complete machine space in addition, the miniaturized design of the complete machine of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figure are: 1-base, 2-bearing, 3-gasket, 4-resistance sheet, 5-heat shrink tube, 6-epoxy resin, 7-outgoing line, 8-shell, 9-insulating sleeve, 10-rotating shaft, 11-brush holder, 12-electric brush and 13-countersunk head screw.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1, the hollow conductive plastic angular displacement sensor of the present invention comprises a base 1, a bearing 2, a resistance card 4, a housing 8, and a hollow rotating shaft 10, wherein the housing 8 is connected to the base 1;
the bearing 2 and the resistance card 4 are respectively arranged in the base 1, the resistance card 4 is positioned above the bearing 2, the rotating shaft 10 is arranged in the bearing 2 and penetrates through the resistance card 4 and the shell 8, and the rotating shaft 10 is provided with an insulating sleeve 9 facing the resistance card 4; an electric brush seat 11 is arranged on the insulating sleeve 9, an electric brush 12 connected with the resistor disc 4 is arranged on the electric brush seat 11, a rotating shaft 10 of the electric brush seat drives the electric brush 12 to rotate on the resistor disc 4, and an output voltage signal in direct proportion to the change of the angular displacement is obtained through an outgoing line 7;
the improved resistor disc is characterized in that a wire outlet hole is formed in the side face of the base 1, a leading-out wire 7 is arranged on the resistor disc 4, the leading-out wire 7 is led out from the wire outlet hole, a gasket 3 padded on the bearing 2 is further arranged on the rotating shaft 10, and epoxy resin 6 is arranged on the wire outlet hole for sealing.
As shown in fig. 1, the lead wires 7 are sleeved with a heat shrinkable tube 5, and the heat shrinkable tube 5 plays a role of protecting the lead wires 7.
As shown in fig. 1, the housing 8 is attached to the base 1 by means of countersunk screws 13.
As shown in fig. 1, the rotating shaft 10 adopts a hollow structure, the diameter of the inner hole of the shaft is phi 6.0mm, the rotating shaft is similar to a sleeve, the sensor can be directly sleeved on a user connecting mechanism, the installation is convenient and quick, the assembly difficulty is reduced, the requirement on the precision of the installation dimension is low, and meanwhile, the condition that the concentricity of the rotating shaft and the connecting mechanism is poor or the internal structure of the conductive plastic angular displacement sensor is damaged to influence the position feedback precision or not work due to inaccurate installation can be avoided. In addition, by adopting the installation mode, a user does not need to specially design a matched part such as a panel to be matched with the panel, the space of the whole machine is saved, and the miniaturization design of the whole machine is facilitated.
The above description is not intended to limit the present invention in any way, and the present invention has been disclosed in the above embodiments, but is not intended to be limited thereto, and any person skilled in the art can make some changes or modify equivalent embodiments with equivalent changes when using the technical content disclosed above without departing from the technical scope of the present invention.
Claims (5)
1. A hollow conductive plastic angular displacement sensor is characterized by comprising a base (1) and a bearing
(2) Resistance card (4), shell (8), hollow pivot (10), shell (8) are connected
A base (1);
the bearing (2) and the resistance card (4) are respectively installed in the base (1), and the resistance card (4) is positioned in the base
The rotating shaft (10) is arranged above the bearing (2) and is arranged in the bearing (2) and penetrates through the resistance card (4),
The rotating shaft (10) is provided with an insulating sleeve (9) facing the resistor disc (4); the insulation
A brush holder (11) is arranged on the sleeve (9), and a resistor disc (4) connected with the brush holder (11)
The rotating shaft (10) of the electric brush (12) drives the electric brush (12) to rotate on the resistor disc (4);
the side surface of the base (1) is provided with a wire outlet hole, the resistance card (4) is provided with a lead-out wire (7),
the outgoing line (7) is outgoing from the outgoing line hole.
2. A hollow conductive plastic angular displacement sensor according to claim 1,
and the rotating shaft (10) is also provided with a gasket (3) which is arranged on the bearing (2).
3. A hollow conductive plastic angular displacement sensor according to claim 2,
and epoxy resin (6) is arranged on the wire outlet hole for sealing.
4. A hollow conductive plastic angular displacement sensor according to claim 2,
the outgoing line (7) is sleeved with a heat shrink tube (5).
5. A hollow conductive plastic angular displacement sensor according to claim 1,
the shell (8) is connected to the base (1) through a countersunk screw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922371049.9U CN210070849U (en) | 2019-12-26 | 2019-12-26 | Hollow conductive plastic angular displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922371049.9U CN210070849U (en) | 2019-12-26 | 2019-12-26 | Hollow conductive plastic angular displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210070849U true CN210070849U (en) | 2020-02-14 |
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ID=69431595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922371049.9U Active CN210070849U (en) | 2019-12-26 | 2019-12-26 | Hollow conductive plastic angular displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210070849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755185A (en) * | 2020-07-09 | 2020-10-09 | 四川航天烽火伺服控制技术有限公司 | Angle potentiometer |
-
2019
- 2019-12-26 CN CN201922371049.9U patent/CN210070849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755185A (en) * | 2020-07-09 | 2020-10-09 | 四川航天烽火伺服控制技术有限公司 | Angle potentiometer |
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Effective date of registration: 20221017 Granted publication date: 20200214 |