CN217303850U - Electrically-driven three-stage planetary reduction driver angle detection device - Google Patents
Electrically-driven three-stage planetary reduction driver angle detection device Download PDFInfo
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- CN217303850U CN217303850U CN202220712505.0U CN202220712505U CN217303850U CN 217303850 U CN217303850 U CN 217303850U CN 202220712505 U CN202220712505 U CN 202220712505U CN 217303850 U CN217303850 U CN 217303850U
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Abstract
The utility model discloses an electrically driven three-stage planetary reduction driver angle detection device, which comprises an angle detection fluted disc, an angle detection box and a flange box cover, wherein the angle detection box is provided with a gear potentiometer meshed with the angle detection fluted disc, and the gear potentiometer is arranged on a potentiometer installation shaft in the angle detection box; an angle sensor driving shaft is arranged on the potentiometer gear and connected with an angle sensor; the section of the angle sensor driving shaft is of a D-shaped structure, a groove which is open to the plane side of the D-shaped structure is arranged on the angle sensor driving shaft, and an elastic sheet is arranged at the opening position of the groove. Adopt above-mentioned technical scheme, after the shell fragment pressurized, the shell fragment will inwards take place to warp, and then realize the quick installation of potentiometre gear, and the installation is accomplished and is guaranteed the potentiometre gear and not take place to drop under the elastic potential energy's of shell fragment effect, moreover at whole operation in-process because the effort of shell fragment, the angle sensor drive shaft keeps the tight fit with angle sensing all the time, guarantees signal feedback's accuracy.
Description
Technical Field
The utility model belongs to transmission especially relates to and is applicable to intelligent house to the tertiary planet speed reduction driver angle detection device of electric drive of the automatic flip of driving band lid class intelligent house product.
Background
Along with the development of economy and the improvement of the living standard of the people, the requirements of the people on bathroom appliances and even household appliances are higher and higher, and intelligent and automatic products are more and more favored in the current market. Therefore, the intelligent automation of intelligent toilet bowl, intelligent dish washer, bowl washing groove and washing machine is also higher and higher nowadays, wherein automatic flip function is exactly one of the embodiment of intelligent toilet bowl, intelligent dish washer, intelligent bowl washing groove, intelligent washing machine.
There are many electrically driven flip buffers with a driving cover plate, also called "electrically driven drivers", on the market today, and the existing electrically driven flip buffers mainly include a flip gear box, and the automatic flip of the flip is generally driven by the movement of the gear box combination with a motor controlled by a PCB board, such as driving the flip of the seat cover and the seat ring of an intelligent toilet. However, most of automatic flip-open type gear boxes in the market have large friction between a motor, a reduction gear box, a rotating shaft of the automatic flip-open type gear box and the like, high transmission ratio and high noise, and gears are easy to damage, so that the whole service life of the gear box is short (the opening and closing times are less than 1 ten thousand), the product failure rate is high, and meanwhile, the existing electric drive flip-open type buffer has large volume and large occupied space for installation.
Therefore, the applicant develops an intelligent household electric drive flip buffer which is small in size, large in output torque, compact in structure, small in friction, low in noise, stable in operation, long in service life and has a quick-opening slow-falling function, and the concrete reference is CN 108980288A; the problem of rotation angle feedback lag is found in actual use, and the problem that the angle sensor signal acquisition has errors due to the fact that the angle sensor driving shaft is connected with an angle sensor type gap is detected through dismantling; moreover, at the assembled, the potentiometre gear easily drops, influences assembly efficiency, the utility model relates to a tertiary planet of electric drive speed reduction driver angle detection device has solved the hysteretic problem of signal acquisition.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the utility model provides a compact structure, improve assembly efficiency and solve the hysteretic tertiary planet speed reduction driver angle detection device of electric drive of angle signal collection.
The utility model discloses a realize like this, an electrically driven tertiary planet speed reduction driver angle detection device, including the angle detection fluted disc of connecting power output shaft, be equipped with the angle detection case on the ring gear casing near power output shaft end, the flange case lid is installed on the angle detection case, power output shaft stretches out the flange case lid, installs the angle detection component that detects power output shaft gyration angle in the angle detection case; the angle detection element adopts a gear potentiometer, the gear potentiometer is arranged on a potentiometer mounting shaft in the angle detection box, and a potentiometer gear of the gear potentiometer is meshed with an angle detection fluted disc; an angle sensor driving shaft is coaxially arranged on the potentiometer gear and connected with an angle sensor; the cross section of the angle sensor driving shaft is of a D-shaped structure, a groove which is open to the plane side of the D-shaped structure is formed in the angle sensor driving shaft along the axial direction, and an elastic sheet is arranged at the opening position of the groove.
Preferably, the end of the elastic sheet is provided with an inclined guide surface.
Preferably, the outer circumference of the power output shaft mounting hole of the flange box cover is at least provided with an elastic clamping jaw, and the power output shaft is provided with a limiting clamping groove.
Preferably, the number of the elastic clamping jaws is 2-6, and the elastic clamping jaws are uniformly distributed on the circumference.
Preferably, an annular sealing groove is formed in the power output shaft and is sleeved with a sealing ring.
The utility model has the advantages and technological effect: because the above technical scheme is adopted in the utility model, after the shell fragment pressurized, the shell fragment will inwards take place to warp, and then realize the quick installation of potentiometre gear, and the installation is accomplished and is guaranteed the potentiometre gear and not take place to drop under the elastic potential energy's of shell fragment effect, moreover in whole operation process because the effort of shell fragment, the angle sensor drive shaft keeps the tight fit with angle sensing throughout, guarantees signal feedback's accuracy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the detection box with the angle removed and the cover of the flange box;
FIG. 3 is a schematic view of the arrangement position of the mounting shaft of the potentiometer;
FIG. 4 is a schematic view of a connection structure of an angle detection element and a potentiometer gear;
fig. 5 and 6 are schematic perspective views of potentiometer gears.
In the figure, 1, an angle detection box; 1-1, a flange case cover; 1-101, elastic claws; 1-2, an angle detection element; 1-3 potentiometer mounting shaft; 1-4, a potentiometer gear; 1-5, an angle sensor drive shaft; 1-6, an angle sensor; 1-7, groove; 1-8, a spring plate; 2. an angle detection fluted disc; 3. a power take-off shaft; 4. and a third stage planetary reduction unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 6, an angle detecting device of an electrically driven three-stage planetary reduction driver includes an angle detecting fluted disc 2 connected to a power output shaft, the angle detecting fluted disc 2 is connected to a third-stage planetary reduction unit 4, an angle detection box 1 is arranged on the gear ring shell close to the power output shaft end, a cover 1-1 of the flange is arranged on the angle detection box far away from the driving motor, the power output shaft extends out of the flange box cover, an angle detection element 1-2 for detecting the rotation angle of the power output shaft is arranged in the angle detection box, a three-stage planet wheel of the three-stage planet speed reduction unit is meshed with a three-stage sun wheel, and the three-stage speed reduction of power is realized with the internal teeth of the gear ring shell, the angle detection fluted disc is driven to rotate, the power is transmitted to the power output shaft 3, the power is output, and meanwhile, the angle detection fluted disc is driven to rotate within a set angle range.
The angle detection element adopts a gear potentiometer, the gear potentiometer is arranged on a potentiometer mounting shaft 1-3 in the angle detection box, and a potentiometer gear 1-4 of the gear potentiometer is meshed with an angle detection fluted disc 2; an angle sensor driving shaft 1-5 is coaxially arranged on the potentiometer gear, and the angle sensor driving shaft is connected with an angle sensor 1-6. Through gear potentiometer real-time detection and feedback power output shaft's rotation angle to the reflection is installed the utility model discloses the aperture of the executive component of driver.
The section of the angle sensor driving shaft is of a D-shaped structure, grooves 1-7 which are open to the plane side of the D-shaped structure are formed in the angle sensor driving shaft in the axial direction, elastic pieces 1-8 are arranged at the opening positions of the grooves, and when the elastic pieces are pressed, the elastic pieces deform inwards, so that the potentiometer gear is installed, and the potentiometer gear is prevented from falling off in the assembling process.
Preferably, the end part of the elastic sheet is provided with an inclined guide surface, so that the installation efficiency is improved when the assembled type guide angle sensor driving shaft is installed.
The outer circumference of the power output shaft mounting hole of the flange box cover is at least provided with one elastic claw 1-101, and the power output shaft is provided with a limiting clamping groove.
Preferably, at least one elastic clamping jaw 1-10 is arranged on the outer circumference of the power output shaft mounting hole of the flange box cover, a limiting clamping groove 3-1 is formed in the power output shaft, the clamping jaw clamps the limiting clamping groove after assembly, the mounting position of the power output shaft is guaranteed to be relatively fixed, and therefore the angle detection fluted disc 2 is guaranteed to be meshed with the potentiometer gear. The number of the elastic clamping jaws is 2-6, and the elastic clamping jaws are uniformly distributed on the circumference. When the traditional power output shaft is installed, the clamp spring is limited, the technical scheme is adopted to replace the existing clamp spring, a clamp spring assembling link is omitted, and the production efficiency and the product stability are improved.
Preferably, an annular sealing groove is formed in the power output shaft and is internally sleeved with a sealing ring, and sealing between the power output shaft and a flange box cover in the rotating process is guaranteed.
Adopt above-mentioned technical scheme, after the shell fragment pressurized, the shell fragment will inwards take place to warp, and then realizes the quick installation of potentiometre gear, and the installation is accomplished and is guaranteed the potentiometre gear and not take place to drop under the effect of the elastic potential energy of shell fragment, moreover in whole operation in-process because the effort of shell fragment, the angle sensor drive shaft keeps the tight fit with angle sensing all the time, guarantees signal feedback's accuracy.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An angle detection device of an electrically-driven three-stage planetary reduction driver comprises an angle detection fluted disc connected with a power output shaft, wherein an angle detection box is arranged on a gear ring shell close to the end of the power output shaft, a flange box cover is mounted on the angle detection box, the power output shaft extends out of the flange box cover, and an angle detection element for detecting the rotation angle of the power output shaft is mounted in the angle detection box; the angle detection element adopts a gear potentiometer, the gear potentiometer is arranged on a potentiometer mounting shaft in the angle detection box, and a potentiometer gear of the gear potentiometer is meshed with an angle detection fluted disc; an angle sensor driving shaft is coaxially arranged on the potentiometer gear and connected with an angle sensor; the method is characterized in that: the cross section of the angle sensor driving shaft is of a D-shaped structure, a groove which is open to the plane side of the D-shaped structure is formed in the angle sensor driving shaft along the axial direction, and an elastic sheet is arranged at the opening position of the groove.
2. The electrically driven three-stage planetary reduction drive angle detection device according to claim 1, characterized in that: the end of the elastic sheet is provided with an inclined guide surface.
3. The electrically driven three-stage planetary reduction drive angle detection device according to claim 1, characterized in that: the outer circumference of the power output shaft mounting hole of the flange box cover is at least provided with an elastic clamping jaw, and the power output shaft is provided with a limiting clamping groove.
4. The electrically driven three-stage planetary reduction drive angle detection device according to claim 3, characterized in that: the number of the elastic clamping jaws is 2-6, and the elastic clamping jaws are uniformly distributed on the circumference.
5. The electrically driven three-stage planetary reduction drive angle detection device according to claim 1, characterized in that: and an annular sealing groove is arranged on the inner side of the limiting clamping groove and on the power output shaft, and a sealing ring is sleeved in the annular sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220712505.0U CN217303850U (en) | 2022-03-25 | 2022-03-25 | Electrically-driven three-stage planetary reduction driver angle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220712505.0U CN217303850U (en) | 2022-03-25 | 2022-03-25 | Electrically-driven three-stage planetary reduction driver angle detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217303850U true CN217303850U (en) | 2022-08-26 |
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ID=82936762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220712505.0U Active CN217303850U (en) | 2022-03-25 | 2022-03-25 | Electrically-driven three-stage planetary reduction driver angle detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217303850U (en) |
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2022
- 2022-03-25 CN CN202220712505.0U patent/CN217303850U/en active Active
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