CN219782467U - Driving device of ground brush assembly and ground brush assembly - Google Patents

Abstract

The utility model discloses a driving device of a floor brush assembly and the floor brush assembly, wherein the driving device comprises: a driving member having a driving shaft; the output shaft is connected with the brush body of the ground brush assembly and used for driving the brush body to rotate; the transmission mechanism comprises at least one bevel gear arranged between the driving shaft and the output shaft, the driving shaft drives the bevel gear to rotate, and the bevel gear rotates to drive the output shaft to rotate. According to the driving device provided by the embodiment of the utility model, the at least one bevel gear is arranged between the driving shaft and the output shaft, and the bevel gear can transmit the driving force generated by the driving shaft to the output shaft, so that the brush body connected with the output shaft rotates, and the cleaning effect is realized. The noise generated in the process of meshing the bevel gear, the driving shaft and the output shaft is small.

Description

Driving device of ground brush assembly and ground brush assembly

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a driving device of a floor brush assembly and the floor brush assembly.

Background

Environmental sanitation is an important factor influencing the quality of life, and along with the continuous improvement of the requirements of people on the quality of life, the requirements on the environmental sanitation are correspondingly higher and higher, and cleaning equipment such as dust collectors, automatic mop machines, floor sweeping machines, floor washing machines and the like can reduce the manual work intensity, so that the cleaning equipment is widely applied in various application scenes.

In some related art, the driving device of the floor brush assembly is mostly used for cleaning equipment such as a floor washer, however, the driving device of the floor brush assembly can generate noise in the working process, which seriously affects the use experience of users.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a driving device for a floor brush assembly, which generates less noise and can effectively improve the use experience of users.

Another object of the present utility model is to provide a floor brush assembly having the above-mentioned driving device.

A driving device according to an embodiment of the present utility model includes: a drive member having a drive shaft; the output shaft is used for driving the brush body to rotate with the brush body of the floor brush assembly; the transmission mechanism comprises at least one bevel gear arranged between the driving shaft and the output shaft, the driving shaft drives the bevel gear to rotate, and the bevel gear rotates to drive the output shaft to rotate.

According to the driving device provided by the embodiment of the utility model, the at least one bevel gear is arranged between the driving shaft and the output shaft, and the bevel gear can transmit the driving force generated by the driving shaft to the output shaft, so that the brush body connected with the output shaft rotates, and the cleaning effect is realized. The noise generated in the process of meshing work of the bevel gear, the driving shaft and the output shaft is small, a user can feel more comfortable in the use process, and the use experience of the user can be effectively improved.

In addition, the driving device according to the above embodiment of the present utility model may further have the following additional technical features:

according to some embodiments of the utility model, at least one of the bevel gears comprises a first gear portion and a second gear portion coaxially connected, the first gear portion and the second gear portion having opposite tooth inclination directions.

According to some embodiments of the utility model, the first and second gear portions have equal tooth inclination angles.

According to some embodiments of the utility model, the first and second gear portions are equal in tooth thickness and equal in pitch.

According to some embodiments of the utility model, the diameter of the first gear portion is smaller than the diameter of the second gear portion, and an axially projected portion of the helical gear engaged with the first gear portion falls within an axially projected range of the second gear portion.

According to some embodiments of the utility model, the axial length of the first gear portion is greater than the axial length of the second gear portion.

According to some embodiments of the utility model, the output shaft is a plurality of, the transmission mechanism comprises a driving gear and a plurality of driven gear sets, the driving gear is connected with the driving shaft, the driven gears are connected with the output shaft in a one-to-one correspondence manner and are meshed with the driving gear, the driving gear is the bevel gear, and the driven gear sets comprise at least one bevel gear.

According to some embodiments of the utility model, the driving device further comprises a housing, the transmission mechanism is arranged in the housing, and at least one axial end of the helical gear of the driven gear set is mounted on the side wall of the housing.

According to some embodiments of the utility model, the driving member is disposed outside the housing, the driving shaft is disposed through the side wall, and the output shaft is disposed through the side wall.

The floor brush assembly according to the present utility model includes: a plurality of brush bodies; the driving device is used for driving the brush bodies to rotate.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a floor brush assembly according to an embodiment of the present utility model;

FIG. 2 is a partial schematic view of the structure of FIG. 1, wherein a portion of the housing is not shown;

fig. 3 is a schematic structural view of a driving apparatus according to an embodiment of the present utility model;

FIG. 4 is a partial schematic view of the structure of FIG. 3, wherein a portion of the housing is not shown;

fig. 5 is a schematic diagram of the structure of a helical gear according to some embodiments of the utility model.

Reference numerals:

a floor brush assembly 1000; a driving device 100;

a driving member 10; the motor 11: a drive shaft 12; an output shaft 21; a brush body 22;

a transmission mechanism 30; a drive gear 31; a driven gear set 32; bevel gear 321; a first gear portion 3211; a second gear portion 3212; a housing 40; a sleeve 41; a sidewall 42.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, "a first feature" may include one or more such features, and "a plurality" may mean two or more, and that a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween, with the first feature "above", "over" and "above" the second feature including both the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

A driving apparatus 100 according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1 to 5, a driving apparatus 100 according to an embodiment of the present utility model may include: a drive member 10 and an output shaft 21.

Specifically, as shown in fig. 2 and 4, the driving member 10 may have a driving shaft 12, and the driving force generated by the driving member 10 may be output through the driving shaft 12. The driving member 10 may be a motor 11 or the like. And, the output shaft 21 may be connected to the brush body 22 of the ground brush assembly 1000, and the output shaft 21 is used for driving the brush body 22 to rotate.

In some related art, the driving device of the ground brush assembly may generate noise during the working process, which seriously affects the use experience of the user.

In the present embodiment, as shown in fig. 2, 3 and 4, the driving device 100 may further include a transmission mechanism 30. Specifically, the transmission mechanism 30 may include at least one helical gear 321 provided between the drive shaft 12 and the output shaft 21. Wherein, the driving shaft 12 can drive the bevel gear 321 to rotate, and the bevel gear 321 can drive the output shaft 21 to rotate, so that the brush body 22 connected with the output shaft 21 can rotate, thereby realizing the cleaning effect.

In the working process, the driving force generated by the driving shaft 12 can be transmitted to the transmission mechanism 30, specifically, to the bevel gear 321, and then the driving force is transmitted to the output shaft 21 through the bevel gear 321, so as to drive the output shaft 21 to rotate and further drive the brush body 22 to rotate, thereby cleaning the area to be cleaned.

From this, connect drive shaft 12 and output shaft 21 indirectly through helical gear 321, in other words, pass through the driving force between drive shaft 12 and the output shaft 21 through helical gear 321, meshing performance between helical gear 321 is good, and area of contact is big, can effectively reduce drive mechanism and produce the noise in the course of the work, promotes user's use experience to enable the transmission of driving force more steady. In addition, the contact ratio between the bevel gears 321 is large, so that the load borne by the gears is increased, the service life of the bevel gears 321 can be prolonged, and the economical efficiency of the driving device 100 is improved.

In addition, the specific number of the bevel gears 321 may be flexibly set, for example, one bevel gear 321 may be provided, or a plurality of bevel gears 321 may be provided. By reasonably setting the number of bevel gears 321, the transmission ratio between the drive shaft 12 and the output shaft 21, the rotation direction, the volume of the driving device, and the like can be satisfied. In some embodiments where the output shaft 21 is provided with a plurality of bevel gears 321, a predetermined distance can be provided between the brush body 22 and the brush body 22, which is beneficial to making the structural design of the driving device 100 more reasonable.

The transmission mechanism 30 may include a plurality of bevel gears 321 that mesh in sequence, or include a bevel gear 321 and a spur gear that mesh, or include a mating bevel gear 321 and a belt, etc. In addition, in the embodiment where the output shaft is plural, the plurality of bevel gears 321 may be disposed corresponding to the plurality of output shafts 21, that is, at least one bevel gear 321 is disposed between each output shaft 21 and the driving shaft 12, which is within the scope of the present utility model.

According to the driving device 100 of the embodiment of the present utility model, by providing at least one bevel gear 321 between the driving shaft 12 and the output shaft 21, the bevel gear 321 can transmit the driving force generated by the driving shaft 12 to the output shaft 21, so that the brush body 22 connected to the output shaft 21 rotates, thereby achieving the cleaning effect. The noise generated in the process of meshing the bevel gear 321 with the driving shaft 12 and the output shaft 21 is small, so that a user can feel more comfortable in the use process, and the use experience of the user can be effectively improved.

According to some embodiments of the present utility model, as shown in fig. 5, at least one helical gear 321 may include a first gear portion 3211 and a second gear portion 3212 coaxially connected, in other words, one or more helical gears 321 are constructed in a double-layered structure. For example, the first gear portion 3211 and the second gear portion 3212 are each configured as a gear structure, and the first gear portion 3211 may be closer to the driver 10 than the second gear portion 3212 or the second gear portion 3212 may be closer to the driver 10 than the first gear portion 3211. The first gear portion 3211 and the second gear portion 3212 have opposite tooth inclination directions.

Specifically, by the helical gear 321 including the first gear portion 3211 and the second gear portion 3212, for example, during operation, a force (force received by the first gear portion 3211) between the first gear portion 3211 and the meshing gear (the driving gear or the helical gear 321) may be referred to as a first force, and a force (force received by the second gear portion 3212) between the second gear portion 3212 and the meshing gear may be referred to as a second force.

Due to the arrangement structure of the first gear portion 3211 and the second gear portion 3212, the first acting force and the second acting force generate component forces opposite to each other along the axial direction of the helical gear 321, and the component forces of the first acting force and the second acting force can offset each other to achieve a counteracting effect, for example, 40% counteracting effect or 20% counteracting effect, so that the load borne by the helical gear 321 can be effectively reduced, the helical gear 321 is prevented from being fatigued and damaged too fast, and the service life of the helical gear 321 is further prolonged.

It should be noted that, the first gear portion 3211 and the second gear portion 3212 may be integrally formed as a single piece, and the first gear portion 3211 and the second gear portion 3212 may be separate pieces connected together by a structure such as a rotating shaft and rotated synchronously, which is within the scope of the present utility model.

In some embodiments, as shown in fig. 5, the teeth of the first gear portion 3211 and the second gear portion 3212 are inclined at equal angles. Specifically, the gear portion includes a plurality of teeth, the plurality of teeth are arranged along the circumferential direction of the helical gear 321, the length direction of each tooth extends obliquely relative to the axial direction of the helical gear 321, and the included angle between the length direction of the tooth and the axial direction of the helical gear 321 is the tooth inclination angle. For example, the first gear portion 3211 and the second gear portion 3212 each have an inclination angle of 10 °, 20 °, 30 °, or the like.

Through the same tooth inclination, the component force generated by the first driving force and the second force in the axial direction of the bevel gear 321 can be as close as possible, so that the two component forces can be more counteracted, the counteraction effect can be better, the load born by each bevel gear 321 can be effectively lightened, the service life of the bevel gear 321 is longer, and the economical efficiency of the driving device 100 is better.

Also, in some embodiments, as shown in fig. 5, the tooth thicknesses of the first gear portion 3211 and the second gear portion 3212 are equal, and the tooth pitches of the first gear portion 3211 and the second gear portion 3212 are equal. That is, in the present embodiment, the parameters of the two gear portions are the same except for the number of teeth of the first gear portion 3211 and the second gear portion 3212 and the axial length of the gear portions.

Accordingly, the specific structure of the first gear portion 3211 and the second gear portion 3212 is substantially the same, and the component forces of the first force and the second force generated in the axial direction of the helical gear 321 can be made as close as possible, so that the cancellation effect can be improved, and the load applied to the helical gear 321 in the axial direction can be reduced. Thus, the load borne by each helical gear 321 can be reduced, the service life of the helical gear 321 is effectively prolonged, and the driving device 100 has good economy.

In some embodiments of the present utility model, as shown in fig. 2 and 4, the diameter of the first gear portion 3211 may be smaller than the diameter of the second gear portion 3212, and an axially projected portion of the helical gear 321 engaged with the first gear portion 3211 falls within an axially projected range of the second gear portion 3212.

Specifically, by the structure and arrangement of the first gear portion 3211 and the second gear portion 3212, the axial space (i.e., the longitudinal direction of the ground brush assembly 1000, i.e., the left-right direction as shown in fig. 1) in the driving device 100 can be fully utilized, the radial dimension (i.e., the width direction of the ground brush assembly 1000, i.e., the front-rear direction as shown in fig. 1) of the transmission mechanism 30 is far smaller than the sum of the diameters of all the bevel gears 321, so that the occupation of the radial space of the driving device 100 from the transmission mechanism 30 can be effectively reduced, the structure of the driving device 100 can be more compact, and the miniaturization and the light weight of the ground brush assembly 1000 can be facilitated.

In some embodiments, as shown in fig. 5, the axial length of the first gear portion 3211 may be greater than the axial length of the second gear portion 3212. Specifically, because the axial length of the first gear portion 3211 is longer, when the first gear portion 3211 is meshed with other bevel gears 321, contact, friction or structural interference between the bevel gear 321 meshed with the first gear portion 3211 and the second gear portion 3212 can be effectively avoided, the motion state of the first gear portion 3211 meshed with the bevel gear 321 is prevented from being influenced, the motion state of the bevel gear 321 can be more stable, and further the structural design of the driving device 100 is more stable.

For example, the axial length of the helical gear 321 meshed with the first gear portion 3211 may be reasonably set, so that the contact area between the first gear portion 3211 and the helical gear 321 may be effectively increased, stress concentration of the first gear portion 3211 during rotation is avoided, the structural strength of the first gear portion 3211 is enhanced, and the service life of the first gear portion 3211 may be effectively prolonged.

According to some embodiments of the present utility model, as shown in fig. 3, the output shaft 21 may be plural, for example, the number of the output shafts 21 may be two, so that the plurality of brush bodies 22 can be driven to rotate, and the cleaning effect can be better achieved. Meanwhile, the transmission mechanism 30 may include a driving gear 31 and a plurality of driven gear sets 32, wherein the driving gear 31 may be connected with the driving shaft 12, the plurality of driven gear sets 32 may be connected with the output shaft 21 in one-to-one correspondence, and the plurality of driven gear sets 32 are all meshed with the driving gear 31, the driving gear 31 is a helical gear 321, and the driven gear sets 32 include at least one helical gear 321.

In the working process, the driving force generated by the driving piece 10 is transmitted to the driving gear 31, the driving gear 31 is meshed with the driven gear sets 32 respectively, the driving gear 31 can transmit the driving force to the driven gear sets 32, and the driven gear sets 32 are correspondingly connected with the output shafts 21 respectively, so that the driving force generated by the driving piece 10 can be transmitted to the output shafts 21 through the transmission mechanism 30, and the output shafts 21 can drive the brush body 22 to rotate, thereby realizing the cleaning effect.

Therefore, the driving force generated by the driving member 10 can be transmitted to the plurality of output shafts 21, so that the plurality of output shafts 21 can drive the corresponding brush body 22 to rotate, in other words, the driving shaft 12 can be indirectly connected with the plurality of output shafts 21 through the transmission mechanism 30, the driving member 10 does not need to be arranged corresponding to each output shaft 21, and the driving force generated by the driving shaft 12 can be transmitted to the plurality of output shafts 21 through the transmission mechanism 30, so as to drive the brush body 22 to rotate. Therefore, the structural design and the required parts of the driving device 100 can be effectively simplified, the driving device 100 is simple in structure and high in working reliability and stability, and the risk of faults of the driving device 100 can be effectively reduced. And the disassembly and the assembly of the driving device 100 are very convenient.

In addition, the number of the bevel gears 321 included in the driven gear set 32 may be one or more, and the number of the bevel gears 321 may be flexibly set according to actual requirements. The transmission effect that can realize through helical gear 321 transmission is steady to the noise is little, can effectively promote user's use experience.

According to some embodiments of the present utility model, the rotational directions of the at least two output shafts 21 are different, for example, the driving apparatus 100 may include a first output shaft that rotates in a clockwise direction and a second output shaft that rotates in a counterclockwise direction, or the first output shaft rotates in a counterclockwise direction and the second output shaft rotates in a clockwise direction. Therefore, bidirectional cleaning of the surface to be cleaned can be realized, the cleaning effect of the ground brush assembly 1000 is improved, and the use experience of a user is improved.

In addition, since the rotation directions of the at least two output shafts 21 are different, it is ensured that the brush bodies 22 connected to the at least two output shafts 21 can generate forces in opposite directions between the at least two brush bodies 22 and the cleaning area to be cleaned when the cleaning effect is achieved, and the forces can be respectively denoted as a first force and a second force, and the first force and the second force can be mutually offset, for example, partially offset. Therefore, the ground brush assembly 1000 can be effectively prevented from being washed out due to the too high rotation speed of the brush body 22 in the use process, and the normal use of a user is prevented from being influenced.

It should be noted that, the mode of implementing the different rotation directions of the at least two output shafts 21 according to the present utility model is not particularly limited. In some embodiments in which the transmission 30 is geared, the transmission 30 may comprise at least a first transmission set and a second transmission set, and the difference in the number of transmission gears comprised by the first transmission set and the second transmission set is an odd number, thereby ensuring that the rotational directions of the at least two output shafts 21 are opposite.

According to some embodiments of the present utility model, the rotational speeds of the at least two output shafts 21 are different, for example, the transmission device may include a first output shaft and a second output shaft, and the rotational speed of the first output shaft may be greater than the rotational speed of the second output shaft, or the rotational speed of the second output shaft may be greater than the rotational speed of the first output shaft, thereby facilitating the use experience of the user. Therefore, the brush body 22 connected with the output shaft 21 with a faster rotation speed can generate traction force on the surface of the to-be-cleaned area, so that the movement direction of the floor brush assembly 1000 can be determined, and further, a user can save more labor in the use process, and the smoothness of pushing the floor brush assembly 1000 by the user is ensured.

It should be noted that, the embodiment of the present utility model is not particularly limited in how the rotational speeds of the at least two output shafts 21 are different. In some embodiments in which the transmission mechanism 30 is a gear transmission, the transmission mechanism 30 may include at least a first transmission group and a second transmission group, and the rotational speeds of the at least two output shafts 21 may be different by reasonably setting the gear ratios of the first transmission group and the second transmission group. Alternatively, in some embodiments in which the transmission mechanism 30 is a belt transmission, the transmission mechanism 30 may include at least a first transmission set and a second transmission set, and the rotational speeds of the at least two output shafts 21 may be different by reasonably setting the number of belts or the diameter of the belt gears.

In some embodiments in which the rotational speeds of the at least two output shafts 21 are different, the rotational speed of the forward rotating output shaft 21 is greater than the rotational speed of the rearward rotating output shaft 21. As shown in fig. 1, forward refers to forward in the cleaning pushing direction, and backward refers to backward in the cleaning pushing direction. The forward-rotating output shaft 21 may be located on the front side or on the rear side, and the backward-rotating output shaft 21 may be located on the front side or on the rear side. The front side refers to a side forward in the cleaning pushing direction of the floor brush assembly 1000, and the rear side refers to a side rearward in the cleaning pushing direction of the floor brush assembly 1000.

Specifically, since the rotational speed of the forward rotating output shaft 21 is relatively high, and the rotational direction of the forward rotating output shaft 21 is opposite to the rotational direction of the backward rotating output shaft 21, the brush body 22 connected to the forward rotating output shaft 21 can generate forward traction force along the cleaning pushing direction with the surface of the area to be cleaned, the brush body 22 connected to the forward rotating output shaft 21 can generate friction force opposite to the traction force direction with the surface of the area to be cleaned, part of the traction force can be offset by the friction force, the excessive traction force is avoided, the moving speed of the ground brush assembly 1000 is prevented from being too high, and meanwhile, the ground brush assembly 1000 can generate a trend of forward movement along the cleaning pushing direction, so that the user can feel better while experiencing sense in a more labor-saving manner in the use process.

In some embodiments, as shown in fig. 1 and 3, there may be two output shafts 21, and in the direction perpendicular to the axis of the driving shaft 12, the two output shafts 21 are symmetrically disposed on both sides of the driving shaft 12, for example, the two output shafts 21 are disposed on both sides of the width direction (the front-rear direction as shown in fig. 1) of the floor brush assembly 1000, respectively, and the length of the brush body 22 connected to the two output shafts 21 extends in a direction perpendicular to the cleaning pushing direction of the user.

Therefore, on the one hand, the number of the output shafts 21 is smaller, the structural design of the driving device 100 can be simpler, the two driven gear sets 32 corresponding to the two output shafts 21 can be arranged on two sides of the driving shaft 12 in a substantially symmetrical manner, the two driven gear sets 32 do not interfere with each other, the structural design of the driving device 100 is more reasonable, the structural arrangement is convenient, the height of the driving device 100 is reduced, the weight of the driving device 100 can be more uniformly distributed in the direction vertical to the axis so as to uniformly improve the pressing force of the two brush bodies 22 on the area to be cleaned; on the other hand, the floor brush assembly 1000 can achieve the cleaning effect on the area to be cleaned twice in the cleaning pushing direction, so that some stubborn stains are prevented from remaining on the area to be cleaned, and the cleaning effect is better.

In some embodiments, as shown in fig. 2 and 4, the section of the connection portion between the driving shaft 12 and the driving mechanism 30 may be non-circular, and the section is a section perpendicular to the axial direction of the driving shaft 12, so that after the driving mechanism 30 is connected to the driving shaft 12, relative sliding between the driving mechanism 30 and the driving shaft 12 can be avoided, and the driving mechanism 30 can rotate simultaneously with the driving shaft 12, so as to improve the transmission efficiency of the driving device 100.

The non-circular surface may be rectangular, square, triangular, diamond, or the like, or may be formed of a circular truncated portion, or a regular truncated portion, such as a square truncated portion. Which are all within the scope of the present utility model.

Alternatively, in some embodiments, as shown in fig. 3, the section of the connection portion between the output shaft 21 and the brush body 22 is non-circular. The cross section is perpendicular to the output direction, so that after the brush body 22 is connected with the output, the brush body 22 and the output shaft 21 can be prevented from sliding relatively, and the brush body 22 and the output shaft 21 can rotate simultaneously, so that the transmission efficiency of the driving device 100 is improved.

The non-circular surface may be rectangular, square, triangular, diamond, or the like, or may be formed of a circular truncated portion, or a regular truncated portion, such as a square truncated portion. Which are all within the scope of the present utility model.

In some embodiments, as shown in fig. 2-4, the section of the connection of the drive shaft 12 and the transmission mechanism 30 may be non-circular, and the section of the connection of the output shaft 21 and the brush body 22 may be non-circular. Therefore, the relative sliding between the transmission mechanism 30 and the driving shaft 12 can be avoided, and the relative sliding between the brush body 22 and the output shaft 21 can be avoided, so that the effect of improving the transmission efficiency of the driving device 100 can be achieved better.

According to some embodiments of the present utility model, as shown in fig. 1-4, the driving device 100 may further include a housing 40, the transmission mechanism 30 may be disposed in the housing 40, so as to facilitate installation and limitation of the transmission mechanism 30, ensure stable and reliable transmission fit between the shaft and the gear, and ensure that the housing 40 may protect the transmission mechanism 30, so as to avoid splashing and dyeing of the transmission mechanism 30 due to sewage, dirt, etc. in the area to be cleaned, and avoid affecting a stable working state of the transmission mechanism 30.

Moreover, at least one axial end of the helical gear 321 of the driven gear set 32 can be mounted on the side wall 42 of the casing 40, so that the side wall 42 can have a positioning effect on the end of the helical gear 321, the helical gear 321 is more convenient to mount, and the working stability of the helical gear 321 can be improved.

For example, in some embodiments, the helical gear 321 is provided with a gear shaft having a first end and a second end, the sidewall 42 of the housing 40 may be provided with a mounting recess toward the gear shaft, and the first end or the second end of the gear shaft may be engaged with the mounting recess, whereby stable mounting of the helical gear 321 may be achieved. In some embodiments, the first end and the second end of the gear shaft are both engaged with the mounting recess, so that the working state of the bevel gear 321 is more stable.

And in some specific embodiments, as shown in fig. 2 and 4, the end of the gear shaft matched with the mounting concave part can be provided with a shaft sleeve 41, and the shaft sleeve 41 is arranged between the end of the gear shaft and the mounting concave part to provide support for rotation of the gear shaft, so that the gear shaft rotates smoothly, and the service life is prevented from being influenced by excessive wear in the rotation process of the gear shaft.

In some embodiments where the drive apparatus 100 includes a housing 40, as shown in FIG. 3, the drive member 10 may be disposed outside of the housing 40, the drive shaft 12 passing through the side wall 42, and the output shaft 21 passing through the side wall 42. This can prevent the driver 10 from occupying the space inside the housing 40, which is advantageous for the miniaturization of the driving device 100. In addition, structural interference of the side wall 42 to the arrangement positions of the driving shaft 12 and the output shaft 21 can be effectively avoided, and the structural design of the driving device 100 can be more reasonable.

As shown in fig. 1, a floor brush assembly 1000 according to an embodiment of the present utility model may include a plurality of brush bodies 22 and a driving device. The driving device is the driving device 100 of the floor brush assembly 1000 according to the embodiment of the utility model, and the driving device 100 may be used to drive the plurality of brush bodies 22 to rotate, so that the plurality of brush bodies 22 can achieve better cleaning effect on the area to be cleaned through rotation.

Since the driving device 100 according to the embodiment of the present utility model has the above-described advantageous technical effects, the floor brush assembly 1000 according to the embodiment of the present utility model can achieve a cleaning effect by providing at least one bevel gear 321 between the driving shaft 12 and the output shaft 21, and the bevel gear 321 can transmit the driving force generated by the driving shaft 12 to the output shaft 21, so that the brush body 22 connected to the output shaft 21 is rotated. The noise generated in the process of meshing the bevel gear 321 with the driving shaft 12 and the output shaft 21 is small, so that a user can feel more comfortable in the use process, and the use experience of the user can be effectively improved.

Other constructions and operations of the driving device 100 and the ground brush assembly 1000 according to the embodiment of the present utility model are known to those skilled in the art, and will not be described in detail herein.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description herein, reference to the terms "embodiment," "specific embodiment," "example," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A drive device for a floor brush assembly, comprising:

a drive member having a drive shaft;

the output shaft is used for driving the brush body to rotate with the brush body of the floor brush assembly;

the transmission mechanism comprises at least one bevel gear arranged between the driving shaft and the output shaft, the driving shaft drives the bevel gear to rotate, and the bevel gear rotates to drive the output shaft to rotate.

2. The driving device of a floor brush assembly according to claim 1, wherein at least one of the bevel gears comprises a first gear portion and a second gear portion coaxially connected, the first gear portion and the second gear portion having opposite tooth inclination directions.

3. The driving device of the floor brush assembly according to claim 2, wherein the tooth inclination angles of the first gear portion and the second gear portion are equal.

4. The drive of a floor brush assembly according to claim 2, wherein the first and second gear portions are equal in tooth thickness and equal in tooth pitch.

5. The driving device of the floor brush assembly according to claim 2, wherein a diameter of the first gear portion is smaller than a diameter of the second gear portion, and an axially projected portion of the helical gear engaged with the first gear portion falls within an axially projected range of the second gear portion.

6. The drive of a floor brush assembly of claim 5, wherein the axial length of the first gear portion is greater than the axial length of the second gear portion.

7. The driving device for a floor brush assembly according to any one of claims 1 to 6, wherein the plurality of output shafts are provided, the transmission mechanism includes a driving gear and a plurality of driven gear sets, the driving gear is connected to the driving shaft, the plurality of driven gears are connected to the output shafts in one-to-one correspondence and are engaged with the driving gear, the driving gear is the helical gear, and the driven gear sets include at least one helical gear.

8. The device for driving a floor brush assembly according to claim 7, further comprising a housing, said transmission mechanism being disposed within said housing, at least one axial end of said helical gear of said driven gear set being mounted to a side wall of said housing.

9. The device for driving a floor brush assembly according to claim 8, wherein the driving member is disposed outside the housing, the driving shaft is disposed through the side wall, and the output shaft is disposed through the side wall.

10. A floor brush assembly, comprising:

a plurality of brush bodies;

a drive means for a floor brush assembly according to any one of claims 1 to 9 for driving a plurality of said brush bodies in rotation.