CN218387126U

CN218387126U - Power assembly with output spindle provided with angle sensor

Info

Publication number: CN218387126U
Application number: CN202222916504.0U
Authority: CN
Inventors: 卓金洙
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-01-24
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to the technical field of power parts, in particular to a power assembly with an angle sensor of an output main shaft, which comprises a fixed main shell, wherein a motor is arranged at the lower end of the fixed main shell, a planetary reducer is arranged inside the fixed main shell, the input end of the planetary reducer is in power connection with the motor, the output end of the planetary reducer is in transmission connection with the output main shaft, the upper end of the output main shaft penetrates out of the fixed main shell, and the output main shaft is in sealing fit with the fixed main shell; the plastic shaft sleeve is arranged on the output main shaft, the part of the output main shaft, which is exposed out of the fixed main shell, is wrapped, the output main shaft and the fixed main shell are in sealing fit, the output end of the power assembly is guaranteed to be in a totally-enclosed structure, the plastic shaft sleeve and the output main shaft are fixedly matched by the special-shaped clamping portion, the special-shaped structure is utilized to prevent sliding fit between the output main shaft and the plastic shaft sleeve, and the firmness degree of fit between the plastic shaft sleeve and the output main shaft is guaranteed.

Description

Power assembly with output spindle provided with angle sensor

Technical Field

The utility model belongs to the technical field of the power unit technique and specifically relates to a power assembly of output spindle area angle sensor is related to.

Background

With the continuous innovative development of intelligent automation technology, more and more automatic cover opening structures are available on the market at present, for example, in the application of a toilet, the intelligent cover opening toilet is ubiquitous, in the application of the intelligent cover opening toilet, a toilet cover is limited by a turning angle, and the turning angle of the toilet cover needs to be controlled;

particularly, the output main shaft part needs to be connected with a toilet lid, the output main shaft can be exposed outside, in order to ensure the strength, the general main shaft is made of metal materials, and the problem of oxidation and rust can occur after the main shaft is used for a period of time; in addition, the rotation angle of the output spindle is monitored through an angle monitoring module so as to control the rotation stroke of the output spindle, the existing angle monitoring module for the flip power assembly generally adopts an angle sensor with a gear, the output spindle is connected with the gear to be meshed with the gear on the angle sensor, the gear on the output spindle mainly adopts a structure which is integrally formed with the output spindle or fixedly installed on the output spindle, although the structure which is integrally formed with the output spindle has high precision, the gear and the output spindle need to adopt the same material, namely a metal material, the gear which is generally meshed with the angle sensor does not need to adopt a metal material, and the material cost can be increased; if the plastic gear or the gear made of other materials is fixedly connected to the output main shaft, the assembly difficulty is increased; in view of the above, there is a need for an improved solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A power assembly with an angle sensor of an output main shaft comprises a fixed main shell, wherein a motor is installed at the lower end of the fixed main shell, a planetary reducer is installed inside the fixed main shell, the input end of the planetary reducer is in power connection with the motor, the output end of the planetary reducer is in transmission connection with the output main shaft, the upper end of the output main shaft penetrates out of the fixed main shell, and the output main shaft is in sealing fit with the fixed main shell; the side part of the output main shaft is provided with a special-shaped clamping part, and the output main shaft is sleeved with a plastic shaft sleeve which is fixedly matched with the output main shaft through the special-shaped clamping part; an angle detection gear is integrally formed outwards at the lower end of the plastic shaft sleeve, an angle sensor with a gear is mounted on the fixed main shell, and the angle sensor and the angle detection gear are meshed with each other.

Preferably, a power disc is integrally formed at the lower end of the output main shaft, a plurality of connecting shafts rotating along the same circumferential track are arranged at the output end of the planetary reducer, a plurality of shaft holes matched with the connecting shafts are formed in the power disc, and the planetary reducer and the output main shaft are in transmission connection through butt joint matching of the connecting shafts and the shaft holes.

Preferably, the fixed main casing comprises a casing body and a casing cover covering the casing body, the planetary reducer is installed inside the casing body, the upper end of the casing body and the casing cover extend towards the side part to form an extension part for accommodating the angle sensor, and the angle sensor is installed in the extension part.

Preferably, a functional sleeve surrounding the output spindle is arranged between the shell and the shell cover, the functional sleeve is provided with a major arc structure at the upper part and a minor arc structure at the lower part, and a gap of the major arc structure corresponds to the angle sensor, so that the angle detection gear and the angle sensor can be meshed through the gap; the side part of the power disc is integrally provided with a blocking part corresponding to the minor arc structure, and the rotating disc limits the rotating angle through the propping of the blocking part and the minor arc structure.

Preferably, the functional sleeve is integrally formed at the lower end of the housing cover.

Preferably, the shell upper end is provided with the concave structure around split ring, and the cap lower extreme is provided with boss structure around, and concave structure and boss structure dock each other, all are provided with the ultrasonic bonding layer on the butt joint face of casing and cap and on the butt joint face of motor and casing.

Preferably, the fixing main case is formed with a mounting hole at a position corresponding to the extended end of the extended portion.

Preferably, the special-shaped clamping portion comprises a first straight portion arranged on the left side and the right side of the output main shaft and concave-convex portions arranged on the front side and the rear side of the output main shaft, and the inner side of the plastic shaft sleeve is matched with the special-shaped clamping portion.

Preferably, the upper part of the corresponding outer side of the plastic shaft sleeve is provided with a second straight part for fixedly connecting the terminal element to be rotated, the lower part of the corresponding outer side of the plastic shaft sleeve is provided with a sealing sheet and a clamping spring, the sealing sheet seals the part of the fixed main shell, which penetrates out of the output main shaft, through the clamping spring, and an O-shaped ring is further arranged between the plastic shaft sleeve and the fixed main shell.

Compared with the prior art, the beneficial effects of the utility model are that:

the plastic shaft sleeve is arranged on the output main shaft, the part of the output main shaft, which is exposed out of the fixed main shell, is wrapped, and the output main shaft is in sealing fit with the fixed main shell, so that the output end of the power assembly is ensured to adopt a totally enclosed structure, the plastic shaft sleeve is fixedly matched with the output main shaft by adopting a special-shaped clamping part, the special-shaped structure is utilized to prevent the sliding fit between the output main shaft and the plastic shaft sleeve, and the firmness of the fit between the plastic shaft sleeve and the output main shaft is ensured;

utilize the structure of plastics axle sleeve, there is the angle detection gear at the lower extreme integrated into one piece of plastics axle sleeve for mesh with angle sensor, because plastics axle sleeve and toilet lid lug connection, therefore angle sensor discerns toilet lid's rotation angle through the angle detection gear most accurate, and angle detection gear and plastics axle sleeve integrated into one piece, the angle detects the gear and adopts the plastic materials preparation, compares in the angle detection gear that adopts metal material, and its cost can reduce.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic cross-sectional structure of the present invention;

FIG. 3 is a schematic structural view of the present invention with the cover removed after the motor is removed;

fig. 4 is a schematic view of the split structure of the planetary reducer, the angle sensor, the output spindle and the plastic shaft sleeve of the present invention;

fig. 5 is a schematic structural view of the utility model with the upper part of the casing reversed.

The reference numerals and names in the figures are as follows:

the device comprises a fixed main shell 10, a motor 11, a planetary reducer 12, a connecting shaft 121, an angle sensor 13, a shell 14, a concave structure 141, a shell cover 15, a boss structure 151, an extension part 16, a major arc structure 17, a minor arc structure 18, a mounting hole 19, an output main shaft 20, a special-shaped clamping part 21, a first flat part 211, a concave-convex part 212, a power disc 22, a shaft hole 221, a blocking part 222, a plastic shaft sleeve 30, an angle detection gear 31, a sealing sheet 32, a clamp spring 33, a second flat part 34 and an O-shaped ring 35.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work lifting and pulling down belong to the protection scope of the present invention.

Referring to fig. 1-5, in an embodiment of the present invention, an output spindle has a power assembly of an angle sensor, the power assembly is used for providing turning power, and is applied to indoor aquatic products such as toilet lids, an output end of the power assembly adopts a totally enclosed structure, specifically, the power assembly includes a fixed main housing 10, a motor 11 is installed at a lower end of the fixed main housing 10, a planetary reducer 12 is installed inside the fixed main housing 10, an input end of the planetary reducer 12 is in power connection with the motor 11, an output end of the planetary reducer 12 is in transmission connection with an output spindle 20, an upper end of the output spindle 20 penetrates through the fixed main housing 10, and the output spindle 20 is in sealing fit with the fixed main housing 10; the side part of the output main shaft 20 is provided with a special-shaped clamping part 21, the output main shaft 20 is sleeved with a plastic shaft sleeve 30, and the plastic shaft sleeve 30 is fixedly matched with the output main shaft 20 through the special-shaped clamping part 21; an angle detecting gear 31 is integrally formed at the lower end of the plastic bushing 30 outward, a geared angle sensor 13 is mounted on the fixed main housing 10, and the angle sensor 13 and the angle detecting gear 31 are engaged with each other.

The power assembly provides power through the motor 11, plays a role of buffering through the planetary reducer 12, the output main shaft 20 is matched with the plastic shaft sleeve 30 and used for power connection of a terminal element to be rotated, taking the flip cover of the toilet cover as an example, the power assembly is fixedly arranged at a specified position, so that the output main shaft 20 is in power connection with the toilet cover, and the toilet cover is driven to turn over, the plastic shaft sleeve 30 is arranged on the output main shaft 20, a part of the output main shaft 20 exposed out of the fixed main shell 10 is wrapped, and the output main shaft 20 is in sealing fit with the fixed main shell 10, so that the output end of the power assembly is ensured to adopt a totally enclosed structure, the fixed fit between the plastic shaft sleeve 30 and the output main shaft 20 is fixed by adopting a special-shaped clamping part 21, the special-shaped structure is utilized to prevent the sliding fit between the output main shaft 20 and the plastic shaft sleeve 30, and the firmness degree of the fit between the plastic shaft sleeve 30 and the output main shaft 20 is ensured; in addition, with the structure of the plastic shaft sleeve 30, an angle detection gear 31 is integrally formed at the lower end of the plastic shaft sleeve 30 for engaging with the angle sensor 13, and since the plastic shaft sleeve 30 is directly connected with the toilet lid, the angle sensor 13 recognizes the turning angle of the toilet lid most accurately through the angle detection gear 31, and the angle detection gear 31 is integrally formed with the plastic shaft sleeve 30, the angle detection gear 31 is made of a plastic material, and compared with the angle detection gear 31 made of a metal material, the cost can be reduced.

Referring to fig. 1-4, a power disc 22 is integrally formed at the lower end of the output spindle 20, a plurality of connecting shafts 121 rotating along the same circumferential track are disposed at the output end of the planetary reducer 12, a plurality of shaft holes 221 matching with the connecting shafts 121 are disposed on the power disc 22, and the planetary reducer 12 and the output spindle 20 are in transmission connection through the butt-joint matching of the connecting shafts 121 and the shaft holes 221.

Referring to fig. 1 to 5, the stationary main casing 10 includes a casing 14 and a casing cover 15 covering the casing 14, so that the components inside the stationary main casing 10 can be mounted, the planetary gear 12 is mounted inside the casing 14, an extension portion 16 for accommodating the angle sensor 13 is formed by extending the upper end of the casing 14 and the casing cover 15 to the side, and the angle sensor 13 is mounted in the extension portion 16; a functional sleeve surrounding the output spindle 20 is arranged between the shell 14 and the shell cover 15, the functional sleeve is provided with an upper major arc structure 17 and a lower minor arc structure 18, a gap of the major arc structure 17 corresponds to the angle sensor 13, and the angle detection gear 31 and the angle sensor 13 can be meshed through the gap; the side part of the power disc 22 is integrally formed with a blocking part 222 corresponding to the minor arc structure 18, the rotating disc limits the rotating angle through the abutting of the blocking part 222 and the minor arc structure 18, the functional sleeve is integrally formed at the lower end of the shell cover 15, so that the power assembly limits the overturning angle through the abutting matching of the structures on the basis of the angle control of the angle sensor 13, and the mutual compatibility of electric operation and manual operation is realized.

Referring to fig. 1-3, a concave structure 141 is disposed around the upper end of the housing 14 along the open ring, a convex structure 151 is disposed around the lower end of the housing cover 15, the concave structure 141 and the convex structure 151 are in butt joint, and ultrasonic welding layers are disposed on the butt joint surfaces of the housing 14 and the housing cover 15 and on the butt joint surfaces of the motor 11 and the housing 14, so as to ensure the sealing performance of the housing 14 and the housing cover 15.

Referring to fig. 1-3, a mounting hole 19 is formed at a position of the main stationary housing 10 corresponding to an extending end of the extending portion 16, the mounting hole 19 is spaced from the inside of the main stationary housing 10, and the sealing performance between the mounting portion and the inside of the main stationary housing 10 is ensured on the basis of fixedly mounting the powertrain.

Referring to fig. 1-4, the special-shaped clamping portion 21 includes a first straight portion 211 disposed on the left and right sides of the output spindle 20 and concave-convex portions 212 disposed on the front and rear sides of the output spindle 20, and the inner side of the plastic shaft sleeve 30 is matched with the special-shaped clamping portion 21; the upper part of the corresponding outer side of the plastic shaft sleeve 30 is provided with a second flat part 34 for fixedly connecting a terminal element to be rotated, the first flat part 211 corresponds to the second flat part 34, so that the terminal element is in power connection with the toilet cover on the basis of a special-shaped structure, the contact surface between the output main shaft 20 and the plastic shaft sleeve 30 is improved by the concave-convex part 212, and the concave platform is arranged to prevent the sliding between the output main shaft 20 and the plastic shaft sleeve 30; the lower portion of the corresponding outer side of the plastic shaft sleeve 30 is provided with a sealing piece 32 and a clamp spring 33, the sealing piece 32 seals the portion, used for penetrating out of the output main shaft 20, of the fixed main shell 10 through the clamp spring 33 to ensure sealing performance, and an O-shaped ring 35 is further arranged between the plastic shaft sleeve 30 and the fixed main shell 10.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A power assembly with an angle sensor on an output spindle is characterized by comprising a fixed main shell, wherein a motor is mounted at the lower end of the fixed main shell, a planetary reducer is mounted in the fixed main shell, the input end of the planetary reducer is in power connection with the motor, the output end of the planetary reducer is in transmission connection with the output spindle, the upper end of the output spindle penetrates out of the fixed main shell, and the output spindle is in sealing fit with the fixed main shell; the side part of the output main shaft is provided with a special-shaped clamping part, and the output main shaft is sleeved with a plastic shaft sleeve which is fixedly matched with the output main shaft through the special-shaped clamping part; an angle detection gear is integrally formed outwards at the lower end of the plastic shaft sleeve, an angle sensor with a gear is mounted on the fixed main shell, and the angle sensor and the angle detection gear are meshed with each other.

2. The power assembly with the angle sensor of the output spindle as claimed in claim 1, wherein a power disc is integrally formed at the lower end of the output spindle, the output end of the planetary reducer is provided with a plurality of connecting shafts rotating along the same circumferential track, the power disc is provided with a plurality of shaft holes matched with the connecting shafts, and the planetary reducer and the output spindle are in transmission connection through butt joint matching of the connecting shafts and the shaft holes.

3. The power assembly with the angle sensor of the output main shaft as claimed in claim 2, wherein the fixed main casing comprises a casing body and a casing cover covering the casing body, the planetary reducer is installed in the casing body, the upper end of the casing body and the casing cover are both extended and formed towards the side part to form an extension part for accommodating the angle sensor, and the angle sensor is installed in the extension part.

4. The power assembly with the angle sensor of the output main shaft as claimed in claim 3, wherein a functional sleeve surrounding the output main shaft is arranged between the shell and the shell cover, the functional sleeve has an upper major arc structure and a lower minor arc structure, and a gap of the major arc structure corresponds to the angle sensor, so that the angle detection gear and the angle sensor can be meshed through the gap; the side part of the power disc is integrally provided with a blocking part corresponding to the minor arc structure, and the rotating disc limits the rotating angle through the propping of the blocking part and the minor arc structure.

5. The power assembly with the angle sensor of the output spindle as claimed in claim 4, wherein the functional sleeve is integrally formed at the lower end of the housing cover.

6. The power assembly with the angle sensor of the output spindle as claimed in claim 3, wherein the upper end of the housing is surrounded by a concave structure, the lower end of the housing cover is surrounded by a convex structure, the concave structure and the convex structure are butted with each other, and ultrasonic welding layers are arranged on the butting surfaces of the housing and the housing cover and on the butting surfaces of the motor and the housing.

7. The power assembly with the angle sensor of the output main shaft as claimed in claim 3, wherein a mounting hole is formed at a position corresponding to the extending end of the extending portion of the fixed main shell.

8. The power assembly with the angle sensor of the output main shaft as claimed in any one of claims 1 to 7, wherein the special-shaped clamping portion comprises a first straight portion and concave-convex portions, the first straight portion is arranged on the left side and the right side of the output main shaft, the concave-convex portions are arranged on the front side and the rear side of the output main shaft, and the inner side of the plastic shaft sleeve is matched with the special-shaped clamping portion.

9. The power assembly with the angle sensor of the output main shaft according to claim 8, wherein a second straight portion for fixedly connecting the terminal member to be rotated is provided at an upper portion of the corresponding outer side of the plastic shaft sleeve, a sealing piece and a snap spring are provided at a lower portion of the corresponding outer side of the plastic shaft sleeve, the sealing piece seals a portion of the fixed main housing for penetrating out of the output main shaft through the snap spring, and an O-ring is further provided between the plastic shaft sleeve and the fixed main housing.