CN220735307U - Driving wheel device of hand-held floor washing machine - Google Patents
Driving wheel device of hand-held floor washing machine Download PDFInfo
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- CN220735307U CN220735307U CN202322303874.1U CN202322303874U CN220735307U CN 220735307 U CN220735307 U CN 220735307U CN 202322303874 U CN202322303874 U CN 202322303874U CN 220735307 U CN220735307 U CN 220735307U
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- 238000005406 washing Methods 0.000 title abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 claims abstract description 15
- 230000009467 reduction Effects 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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Abstract
The utility model discloses a driving wheel device of a handheld floor washing machine, which comprises a driving wheel assembly and a motor assembly, wherein the motor assembly comprises a reduction box body, a parallel gear mechanism and a planetary gear mechanism, the reduction box body is divided into a motor cavity and a gear cavity through a partition board, a motor is arranged in the motor cavity, an output gear is fixedly arranged on an output shaft of the motor, the output gear drives the parallel gear mechanism, the parallel gear mechanism drives the planetary gear mechanism, the driving wheel assembly comprises a wheel body and a wheel shaft arranged in the center of the wheel body, and the wheel shaft is connected with a planet carrier of the planetary gear mechanism. The utility model adopts the structure form of driving the planetary gears by the parallel gears, has high transmission efficiency, large moment and low noise, can ensure large moment output by using the conventional motor, and has the price 4 times lower than that of the large moment motor, thereby reducing the cost.
Description
Technical Field
The utility model relates to the technical field of a power supply device, in particular to a driving wheel device of a handheld floor washing machine.
Background
The hand-held floor washing machine can simultaneously finish three functions of sweeping, wiping and washing, and has the advantages of simple operation and convenient use, and is more and more popular with people.
The hand-held floor washer is driven to move on the ground through the driving wheel device, and the existing hand-held floor washer driving wheel device mostly adopts a large-torque motor as power output because of the large overall weight of the hand-held floor washer. However, the high torque motor is costly, increasing the manufacturing costs of the hand-held floor scrubber.
In view of this, there is a need for improvements in the drive wheel arrangements of existing hand-held floor washers to reduce costs.
Disclosure of Invention
Aiming at the defects, the technical problem to be solved by the utility model is to provide a driving wheel device of a hand-held floor washing machine so as to solve the problem of high cost in the prior art.
To this end, the utility model provides a hand-held floor washer drive wheel apparatus comprising a drive wheel assembly and a motor assembly, the motor assembly comprising:
the speed reduction box body is opened at two ends and is divided into a motor cavity and a gear cavity by a partition plate, the motor is arranged in the motor cavity, an output shaft of the motor penetrates through the partition plate and stretches into the gear cavity, an output gear is fixedly arranged on the output shaft of the motor, and an end cover is arranged at the end part of the gear cavity;
the parallel gear mechanism is arranged in the gear cavity and comprises a plurality of parallel gears, each parallel gear is rotatably arranged on the partition plate, the parallel gears are duplex gears formed by stacking a first gear and a second gear, and the first gears are respectively meshed with the output gears;
the planetary gear mechanism consists of a sun gear, a plurality of planet gears, an inner gear ring and a planet carrier, wherein the planet gears are arranged in parallel, the sun gear is a duplex gear formed by stacking a third gear and a fourth gear, the sun gear is rotatably arranged on an output shaft of the motor, each second gear is respectively meshed with the third gear, the planet gears are rotatably arranged on the planet carrier, and the planet gears are respectively meshed with the fourth gear and the inner gear ring;
the driving wheel assembly comprises a wheel body and a wheel shaft arranged at the center of the wheel body, and the wheel shaft is connected with the planet carrier.
In the above technical scheme, preferably, the inner side of the wheel body is provided with a concave portion, the center of the concave portion is provided with a wheel shaft, the end portion of the wheel shaft is provided with an annular groove, the outer end of the annular groove is provided with a driving connecting portion, the center of the planet carrier is provided with a driving slot, the wheel shaft is inserted into the end cover from outside to inside, and the driving wheel assembly is fixed with the end cover in the annular groove through a snap spring clip.
In the above technical solution, preferably, an adjusting gasket is disposed between the clip spring and an inner end surface of the end cover.
In the above technical solution, preferably, an annular enclosure is provided on the partition plate around the parallel gear and the output gear.
In the above technical solution, preferably, the number of the parallel gears is two.
In the above technical solution, preferably, the number of the planetary gears is three.
In the above technical solution, preferably, the diameter of the fourth gear is smaller than the diameter of the third gear.
In the above technical solution, preferably, the diameter of the second gear is smaller than the diameter of the first gear.
According to the technical scheme, the driving wheel device of the handheld floor washing machine solves the problem of high cost in the prior art. Compared with the prior art, the utility model has the following beneficial effects:
the planetary gear is driven by the parallel gears, the parallel gears have high transmission efficiency, large moment and low noise, the large moment output can be ensured by using the conventional motor, and the price of the conventional motor is 4 times lower than that of the large moment motor, so that the scheme of the utility model reduces the manufacturing cost of products.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will make brief description and illustrations of the drawings used in the description of the embodiments of the present utility model or the prior art. It is obvious that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic view of a hand-held floor washer drive wheel apparatus provided by the present utility model;
FIG. 2 is an exploded view of the hand-held floor washer drive assembly of FIG. 1;
FIG. 3 is a schematic diagram of a motor assembly according to the present utility model;
FIG. 4 is an exploded view of the motor assembly of FIG. 3;
FIG. 5 is a schematic diagram of the assembly relationship of the motor, output gear and parallel gear of the present utility model;
FIG. 6 is a schematic exploded view of the planetary gear mechanism of the present utility model;
FIG. 7 is a schematic view of a planetary gear mechanism of the present utility model;
FIG. 8 is a schematic view of a drive wheel assembly according to the present utility model.
In fig. 1 to 8, the correspondence of the components is as follows:
a drive wheel assembly 10, a motor assembly 20;
wheel body 11, concave part 12, wheel axle 13, annular groove 14, drive connection part 15;
motor 21, reduction box 22, end cover 23, parallel gear mechanism 24, planetary gear mechanism 25, output gear 26;
a clamp spring 31 and an adjusting gasket 32;
a partition 221, an annular collar 222;
parallel gear 241, first gear 2411, second gear 2412;
sun gear 251, planet gears 252, ring gear 253, planet carrier 254;
a third gear 2511, a fourth gear 2512, a connecting shaft 2513;
the slot 255 is driven.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without making any inventive effort are intended to fall within the scope of the present utility model.
In order to make the explanation and the description of the technical solution and the implementation of the present utility model clearer, several preferred embodiments for implementing the technical solution of the present utility model are described below.
In this document, the terms "inner, outer", "front, rear", and "left, right" are expressions based on the usage status of the product, and it is apparent that the usage of the corresponding terms does not limit the scope of the present solution.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of a driving wheel device of a hand-held floor washing machine according to the present utility model, and fig. 2 is an exploded schematic diagram of the driving wheel device of the hand-held floor washing machine shown in fig. 1.
As shown in fig. 1 and 2, the driving wheel device of the hand-held floor washing machine provided by the utility model comprises a driving wheel assembly 10 and a motor assembly 20 for driving the driving wheel assembly 10 to rotate.
As shown in fig. 3, 4, and 5, the motor assembly 20 includes a motor 21, a reduction case 22, an end cover 23, and a parallel gear mechanism 24 and a planetary gear mechanism 25 provided in the reduction case 22.
The two ends of the reduction gearbox body 22 are open and are divided into a motor cavity and a gear cavity by a partition plate 221, the motor 21 is arranged in the motor cavity, an output shaft of the motor 21 penetrates through the partition plate 221 and stretches into the gear cavity, and an output gear 26 is fixedly arranged on the output shaft of the motor 21. An end cap 23 is provided at the end of the gear cavity. The parallel gear mechanism 24 is disposed in the gear cavity, and includes a plurality of parallel gears 241, and axes of the parallel gears 241 are parallel to each other and rotatably disposed on the partition 221. The parallel gear 241 is a duplex gear formed by stacking a first gear 2411 and a second gear 2412, the first gears 2411 are respectively meshed with the output gears 26, and the output gears 26 drive the parallel gear 241 to rotate. The present embodiment employs two parallel gears 241. The diameter of the second gear 2412 is smaller than the diameter of the first gear 2411.
The spacer 221 is provided with an annular fence 222 around the parallel gear 241 and the output gear 26, and can prevent the parallel gear 241 from being disengaged when rotating at a high speed.
As shown in fig. 6 and 7, the planetary gear mechanism 25 is composed of a sun gear 251, a plurality of planetary gears 252 arranged with axes in parallel, an annular gear 253, and a carrier 254.
The sun gear 251 is a double gear formed by stacking a third gear 2511 and a fourth gear 2512, the sun gear 251 is rotatably arranged on an output shaft of the motor 21, and each second gear 2412 is respectively meshed with the third gear 2511 to drive the third gear 2511 to rotate. The third gear 2511 and the fourth gear 2512 are connected through a connecting shaft 2513, a shaft hole is formed in the center of the partition plate 221, the connecting shaft 2513 is rotatably arranged in the shaft hole in the partition plate 221, and the sun gear 251 is stably rotated through an output shaft of the motor and the shaft hole in the partition plate 221, so that noise is reduced.
The diameter of the fourth gear 2512 is smaller than the diameter of the third gear 2511 for ease of installation.
The planet gears 252 are rotatably arranged on the planet carrier 254, the planet gears 252 are respectively meshed with the fourth gear 2512 and the inner gear 253, and the planet gears 252 are driven to rotate through the sun gear 251 and revolve around the sun gear 251, and meanwhile the planet carrier 254 is driven to rotate.
In this embodiment, the number of the planetary gears 252 is three.
The rotation axes of the planetary gears 252 are staggered with the rotation axes of the parallel gears 241 to improve structural strength and rotational smoothness.
As shown in fig. 8, the driving wheel assembly 10 includes a wheel body 11, a concave portion 12 is provided on an inner side surface of the wheel body 11, a cylindrical wheel shaft 13 is provided at a center of the concave portion 12, an annular groove 14 is provided at an end portion of the wheel shaft 13, a driving connection portion 15 is provided at an outer end of the annular groove 14, a driving slot 255 is provided at a center of a planet carrier 254, the wheel shaft 13 is inserted into the end cover 23 from outside to inside, the driving wheel assembly 10 is fixed with the end cover 23 in the annular groove 14 by a clip 31, and an adjusting spacer 32 is provided between the clip 31 and an inner end surface of the end cover 23.
The mating structure of the driving connection portion 15 and the driving slot 255 may take various forms, such as a prismatic and hole, a key slot structure, or a milling portion in this embodiment.
In the utility model, the end cover 23 of the motor assembly extends into the wheel body 11, so that the size of the whole brush is reduced, and a certain protection effect is also provided for the end cover part of the motor.
According to the scheme, the parallel gear is adopted to drive the planetary gear, the parallel gear is high in transmission efficiency, large in torque and low in noise, the large torque output can be ensured by using the conventional motor, and the price of the conventional motor is 4 times lower than that of the large torque motor, so that the scheme of the utility model reduces the manufacturing cost of products.
The utility model provides a driving wheel device of a handheld floor washing machine, wherein the power transmission path of a motor is as follows:
first, the output shaft of the motor drives the parallel gear 241 to rotate.
Then, the parallel gear 241 drives the sun gear 251 to rotate.
The sun gear 251 in turn drives the planet gears 252 and the planet carrier 254, and the planet carrier 254 drives the drive wheel assembly 10 to rotate.
By combining the description of the specific embodiments, the driving wheel device of the handheld floor washing machine provided by the utility model has the following advantages compared with the prior art:
firstly, the structure of the planetary gear driven by the parallel gear is adopted, the parallel gear has high transmission efficiency, large moment and low noise, the large moment output can be ensured by using the conventional motor, and the price of the conventional motor is 4 times lower than that of the large moment motor, so the scheme of the utility model reduces the manufacturing cost of products.
Second, the motor assembly's end cover stretches into the inside of wheel body, has reduced whole brush size, also plays certain guard action to motor end cover part simultaneously.
And thirdly, the baffle plate is provided with an annular surrounding gear around the parallel gear and the output gear, so that the parallel gear 2 can be prevented from falling off when rotating at a high speed.
Finally, it is also noted that the terms "comprises," "comprising," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
Claims (8)
1. A hand-held floor washer drive wheel assembly comprising a drive wheel assembly and a motor assembly, wherein the motor assembly comprises:
the speed reduction box body is opened at two ends and is divided into a motor cavity and a gear cavity by a partition plate, the motor is arranged in the motor cavity, an output shaft of the motor penetrates through the partition plate and stretches into the gear cavity, an output gear is fixedly arranged on the output shaft of the motor, and an end cover is arranged at the end part of the gear cavity;
the parallel gear mechanism is arranged in the gear cavity and comprises a plurality of parallel gears, each parallel gear is rotatably arranged on the partition plate, the parallel gears are duplex gears formed by stacking a first gear and a second gear, and the first gears are respectively meshed with the output gears;
the planetary gear mechanism consists of a sun gear, a plurality of planet gears, an inner gear ring and a planet carrier, wherein the planet gears are arranged in parallel along a plurality of axes, the sun gear is a duplex gear formed by stacking a third gear and a fourth gear, the sun gear is rotatably arranged on an output shaft of the motor, each second gear is respectively meshed with the third gear, the planet gears are rotatably arranged on the planet carrier, and the planet gears are respectively meshed with the fourth gear and the inner gear ring;
the driving wheel assembly comprises a wheel body and a wheel shaft arranged at the center of the wheel body, and the wheel shaft is connected with the planet carrier.
2. The hand-held floor washer driving wheel device according to claim 1, wherein the inner side surface of the wheel body is provided with a concave part, the center of the concave part is provided with a wheel shaft, the end part of the wheel shaft is provided with an annular groove, the outer end of the annular groove is provided with a driving connecting part, the center of the planet carrier is provided with a driving slot, the wheel shaft is inserted into the end cover from outside, and the driving wheel assembly is fixed with the end cover in the annular groove through a snap spring clip.
3. The hand-held washer drive wheel assembly of claim 2, wherein an adjustment washer is provided between the snap spring and the inner end surface of the end cap.
4. The hand-held washer drive wheel assembly of claim 1 wherein said spacer is provided with an annular collar around said parallel gear and said output gear.
5. The hand-held washer drive wheel assembly of claim 1 wherein the number of parallel gears is two.
6. The hand-held washer drive wheel assembly of claim 1 wherein the number of planetary gears is three.
7. The hand-held washer drive wheel assembly of claim 1, wherein the diameter of the fourth gear is less than the diameter of the third gear.
8. The hand-held washer drive wheel assembly of claim 1, wherein the diameter of the second gear is smaller than the diameter of the first gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322303874.1U CN220735307U (en) | 2023-08-25 | 2023-08-25 | Driving wheel device of hand-held floor washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322303874.1U CN220735307U (en) | 2023-08-25 | 2023-08-25 | Driving wheel device of hand-held floor washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220735307U true CN220735307U (en) | 2024-04-09 |
Family
ID=90557362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322303874.1U Active CN220735307U (en) | 2023-08-25 | 2023-08-25 | Driving wheel device of hand-held floor washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220735307U (en) |
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2023
- 2023-08-25 CN CN202322303874.1U patent/CN220735307U/en active Active
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