CN114916885B

CN114916885B - Lifting mechanism and cleaning equipment

Info

Publication number: CN114916885B
Application number: CN202210576139.5A
Authority: CN
Inventors: 徐建强; 孙涛
Original assignee: Midea Robozone Technology Co Ltd
Current assignee: Midea Robozone Technology Co Ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2024-05-07
Anticipated expiration: 2042-05-25
Also published as: CN114916885A

Abstract

The invention provides a lifting mechanism and cleaning equipment, wherein the lifting mechanism comprises: a housing; the driving piece is arranged on the shell; the gear assembly is arranged on the shell and is connected with the driving piece and the cleaning part, and the driving piece is used for driving the gear assembly to work so as to lift the cleaning part; and the unidirectional gear part is meshed with the gear assembly and is used for being matched with the gear assembly to lift the cleaning part. According to the invention, the one-way gear part is matched with the gear assembly to lift the cleaning part by reasonably arranging the matching structure of the gear assembly and the one-way gear part, so that the driving force for lifting the cleaning part can be increased, the cleaning part can be lifted more smoothly, the occurrence of jamming can be avoided, and the cleaning part can be effectively stored.

Description

Lifting mechanism and cleaning equipment

Technical Field

The invention relates to the technical field of cleaning equipment, in particular to a lifting mechanism and cleaning equipment.

Background

In the related art, the mopping robot comprises a lifting mechanism and a mop, the lifting mechanism is used for lifting the mop, the lifting mechanism is unreasonable in arrangement, unstable when the mop is lifted, the mop cannot be lifted to a designated position, and the condition of structural failure is easy to occur.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

To this end, a first aspect of the invention proposes a lifting mechanism.

A second aspect of the present invention proposes a cleaning apparatus.

In view of this, a first aspect of the present invention proposes a lifting mechanism for a cleaning apparatus having a cleaning portion, the lifting mechanism comprising: a housing; the driving piece is arranged on the shell; the gear assembly is arranged on the shell and is connected with the driving piece and the cleaning part, and the driving piece is used for driving the gear assembly to work so as to lift the cleaning part; and the unidirectional gear part is meshed with the gear assembly and is used for being matched with the gear assembly to lift the cleaning part.

The invention provides a lifting mechanism which comprises a shell, a driving piece, a gear assembly and a unidirectional gear part. The driving member, the gear assembly and the unidirectional gear portion are all provided to the housing, i.e., the housing serves as a mounting carrier for the driving member, the gear assembly and the unidirectional gear portion.

The gear assembly is connected with the driving piece, the gear assembly is connected with the cleaning part of the cleaning equipment, and the unidirectional gear part is meshed with the gear assembly.

The lifting mechanism lowers the cleaning part to clean the floor by the cleaning part. Specifically, the driving piece drives the gear assembly to work, and the gear assembly can drive the cleaning part to move downwards, so that the cleaning part descends from a top position to a bottom position, and then the cleaning part can be used for cleaning the ground.

After the cleaning part finishes cleaning, the lifting mechanism lifts the cleaning part to recover the cleaning part. Specifically, the driving member drives the gear assembly to operate, and the gear assembly operates to drive the unidirectional gear portion to operate because the unidirectional gear portion is meshed with the gear assembly. The gear assembly and the unidirectional gear part are matched to jointly act on the cleaning part so as to drive the cleaning part to move upwards, so that the cleaning part is lifted to a top position from a bottom position, and the cleaning part is recovered.

This setting is through the cooperation structure of reasonable setting gear assembly and one-way gear portion for one-way gear portion cooperates with the gear assembly in order to rise the portion of cleaning, can increase the driving force that the portion of cleaning risees, makes the portion of cleaning rise more smooth and easy, can not appear the condition of jamming and take place, can guarantee that the portion of cleaning can be effectively accomodate.

It will be appreciated that the lifting mechanism lowers the cleaning portion so that when the cleaning portion is used to clean the floor, the one-way gear portion idles and does not drive the cleaning portion to descend.

The lifting mechanism according to the invention can also have the following additional technical characteristics:

In the above technical solution, further, the gear assembly includes: the first bevel gear is positioned in the shell and connected with the driving piece; the second helical gear is positioned in the shell, and the first helical gear and the unidirectional gear part are meshed with the second helical gear; the output shaft is connected with the second bevel gear, part of the output shaft extends out of the shell, and the part of the output shaft positioned outside the shell is used for being connected with the cleaning part; wherein the second helical gear is movable in the axial direction of the output shaft.

In this technical scheme, the gear assembly includes first helical gear, second helical gear and output shaft. The first helical gear is connected with the driving piece, the first helical gear is meshed with the second helical gear, the unidirectional gear portion is meshed with the second helical gear, the output shaft is connected with the second helical gear, and the output shaft is used for being connected with the cleaning portion.

The lifting mechanism lowers the cleaning part to clean the floor by the cleaning part. Specifically, the driving piece drives the first bevel gear to rotate, the first bevel gear can drive the second bevel gear to rotate through rotation, and the first bevel gear has downward component force on the second bevel gear. The second helical gear can drive the unidirectional gear portion to idle. The second bevel gear moves downwards under the action of the downward component force of the first bevel gear, so that the cleaning part descends from the top position to the bottom position, and then the cleaning part can be used for cleaning the ground.

After the cleaning part finishes cleaning, the lifting mechanism lifts the cleaning part to recover the cleaning part. Specifically, the driving member drives the first helical gear to reversely rotate, the first helical gear drives the second helical gear to reversely rotate, the first helical gear has an upward component force on the second helical gear, and the second helical gear drives the unidirectional gear portion to reversely rotate. The first helical gear and the second helical gear are required to overcome a certain torque, an upward component exists, the unidirectional gear part has resistance torque on the second helical gear, and an upward component exists. Therefore, the second bevel gear moves upward under the action of two upward component forces from the bottom position to the top position to complete the lifting action of the cleaning part.

It is understood that the first part of the output shaft is located in the housing, the second part of the output shaft extends out of the housing, the second part of the output shaft is used for being connected with the cleaning part, and the second bevel gear can drive the output shaft to move so as to achieve the effect of lifting the cleaning part. Meanwhile, the second bevel gear can rotate to drive the cleaning part to rotate, and when the cleaning part is positioned at the bottom position, the output shaft rotates to drive the cleaning part to rotate so as to perform cleaning work.

In any of the foregoing solutions, further, the gear assembly further includes: the first elastic piece is positioned in the shell and is connected with the inner surface of the shell and the second bevel gear, and the first elastic piece is used for applying force to the second bevel gear when the cleaning part is lowered.

In this technical scheme, the gear assembly still includes first elastic component, and first elastic component is located the casing, and the internal surface of casing is connected to first elastic component, and the second helical gear is connected to first elastic component.

Specifically, the driving piece drives the first bevel gear to rotate, the first bevel gear can drive the second bevel gear to rotate through rotation, and the first bevel gear has downward component force on the second bevel gear. The second helical gear can drive the unidirectional gear portion to idle. The second bevel gear moves downwards under the action of the downward component force of the first bevel gear and the downward pressure of the first elastic piece. That is, the first bevel gear and the first elastic member together drive the second bevel gear to move downward. This setting has increased the driving force that the cleaning part descends for the cleaning part descends more smoothly, can not appear the condition of jamming and take place, can guarantee that the cleaning part can effectively descend to the bottom position.

Specifically, the driving member drives the first helical gear to reversely rotate, the first helical gear drives the second helical gear to reversely rotate, the first helical gear has an upward component force on the second helical gear, and the second helical gear drives the unidirectional gear portion to reversely rotate. The first helical gear and the second helical gear are required to overcome a certain torque, an upward component exists, the unidirectional gear part has resistance torque on the second helical gear, and an upward component exists. Therefore, the second bevel gear moves upwards from the bottom position to the top position against the downward pressure of the first elastic member under the action of two upward components.

In any of the above technical solutions, further, the second bevel gear is provided with a mounting groove, and a part of the first elastic member is disposed in the mounting groove.

In this technical scheme, through the cooperation structure of reasonable setting second helical gear and first elastic component for the second helical gear is equipped with the mounting groove, and makes a part of first elastic component locate in the mounting groove, and the mounting groove has the effect of holding first elastic component and connecting first elastic component. The arrangement can increase the matching area of the second helical gear and the first elastic piece, and can ensure the stability and reliability of the assembly of the first elastic piece and the second helical gear. An effective and reliable structural support is provided for the first resilient member to cooperate with the first helical gear to drive the second helical gear downwardly.

In any of the above-described aspects, further, the second helical gear is located between the first helical gear and the one-way gear portion in a radial direction of the output shaft.

In the technical scheme, the second bevel gear is positioned between the first bevel gear and the unidirectional gear part by reasonably arranging the matching structure of the first bevel gear, the second bevel gear and the unidirectional gear part. This setting can guarantee the equilibrium and the uniformity of first helical gear and one-way gear portion to second helical gear application of force, avoids producing the moment of torsion that makes the second helical gear upset, reduces the resistance of drive second helical gear motion for the portion motion that cleans is more smooth and easy, is favorable to reducing the energy consumption of product, and then is favorable to promoting the performance and the market competition of product.

Specifically, the second helical gear is located between the first helical gear and the one-way gear portion in the radial direction of the output shaft. The first helical gear is matched with the one-way gear part, so that the axial space of the output shaft can not be occupied while the effectiveness and feasibility of driving the second helical gear to move can be ensured, a larger lifting space can be provided for the cleaning part, and the use performance of a product can be improved.

In any of the above technical solutions, further, the lifting mechanism further includes: and the limiting structure is arranged in the shell and used for limiting the displacement of the second helical gear along the axial direction of the output shaft.

In this technical scheme, through reasonable elevating system that sets up for elevating system still includes limit structure, and limit structure locates in the casing, and limit structure can follow the axial of output shaft and restrict the displacement of second helical gear, in order to guarantee the lift displacement of cleaning part.

The lifting mechanism lowers the cleaning part to clean the floor by the cleaning part. Specifically, the driving piece drives the gear assembly to work, and the gear assembly can drive the cleaning part to move downwards, so that the cleaning part descends from the top position to the bottom position. Under the effect of limit structure, the cleaning part stops the downward movement, keeps the rotation action only under the effect of second helical gear, realizes driving the cleaning part rotation and cleans the work.

After the cleaning part is cleaned, the lifting mechanism lifts the cleaning part, and the limiting structure can limit the cleaning part at the top position.

In any of the above technical solutions, further, the limiting structure includes: a first limit part; the second helical gear is located between the first limiting part and the second limiting part.

In this technical scheme, limit structure includes first spacing portion and second spacing portion, and the second helical gear is located between first spacing portion and the second spacing portion.

The cleaning part can be limited at the bottom position by one of the first limiting part and the second limiting part when the cleaning part is lowered.

The cleaning part is lifted, and the other one of the first limiting part and the second limiting part can limit the cleaning part at the top position.

That is, the first and second limiting portions cooperate to limit displacement of the second helical gear in the axial direction of the output shaft.

In any of the above technical solutions, further, the first limiting portion and the second limiting portion each include: and a part of shell wall of the shell protrudes towards the middle part of the shell to form a limiting protrusion, and the limiting protrusion is positioned on the peripheral side of the output shaft.

In this technical scheme, first spacing portion includes spacing arch, and second spacing portion includes spacing arch, and spacing arch of first spacing portion and spacing arch of second spacing portion cooperate in order to follow the displacement of the axial restriction second helical gear of output shaft.

Specifically, spacing protruding being located the week side of output shaft, spacing protruding of first spacing portion and the spacing protruding of second spacing portion cooperate, can follow the radial spacing cleaning part of output shaft. That is, the spacing structure can spacing the cleaning portion from a plurality of directions and a plurality of angles, and provides stable and reliable structural support for the effective movement of the cleaning portion.

In any of the above aspects, further, the one-way gear portion includes: the resistance shaft is rotationally connected with the shell; the third bevel gear is positioned on the peripheral side of the resistance shaft and meshed with the gear assembly; the one-way bearing is connected between the resistance shaft and the third bevel gear; and the second elastic piece is connected with the inner surface of the shell and the resistance shaft, and is used for applying resistance to the resistance shaft when the cleaning part is lifted.

In this technical scheme, the one-way gear portion includes resistance shaft, third bevel gear, second elastic component and one-way bearing.

The lifting mechanism lowers the cleaning part to clean the floor by the cleaning part. Specifically, the driving piece drives the first bevel gear to rotate, the first bevel gear can drive the second bevel gear to rotate through rotation, and the first bevel gear has downward component force on the second bevel gear. The second bevel gear can drive the third bevel gear to rotate. The resistance shaft remains in a non-rotating state due to the action of the one-way bearing. The second bevel gear moves downwards under the action of the downward component force of the first bevel gear and the downward pressure of the first elastic piece, so that the cleaning part descends from the top position to the bottom position, then stops moving downwards, only keeps rotating action, and drives the cleaning part to rotate to perform cleaning work.

After the cleaning part finishes cleaning, the lifting mechanism lifts the cleaning part to recover the cleaning part. Specifically, the driving member drives the first bevel gear to reversely rotate, the first bevel gear drives the second bevel gear to reversely rotate, the first bevel gear has upward component force on the second bevel gear, the second bevel gear drives the third bevel gear to reversely rotate, and the resistance shaft is driven to rotate due to the action of the one-way bearing. The resistive shaft needs to overcome the force of the second elastic member when rotating. Therefore, the first bevel gear needs to overcome a certain torque for the second bevel gear transmission, an upward component exists, the third bevel gear has resistance torque for the second bevel gear, and an upward component exists. Therefore, the second bevel gear moves upwards under the action of two upward component forces and overcomes the downward pressure of the first elastic piece. The cleaning part reaches the top position from the bottom position, and then stops moving, so that the lifting action of the cleaning part is realized.

In any of the above solutions, further, the second elastic member includes a torsion spring and/or a rubber portion.

In this aspect, the second elastic member includes a torsion spring and/or a rubber portion, e.g., the second elastic member includes a torsion spring, e.g., the second elastic member includes a rubber portion, e.g., the second elastic member includes a torsion spring and a rubber portion.

This arrangement can satisfy the use requirement of applying resistance to the resistance shaft when raising the cleaning portion.

In any of the foregoing solutions, further, the gear assembly further includes: the limiting shaft is arranged in the shell, the first bevel gear is located on the periphery side of the limiting shaft, and the first bevel gear can rotate relative to the limiting shaft.

In this technical scheme, gear assembly still includes spacing axle, and spacing axle is located in the casing, for example, spacing axle and the internal surface fixed connection of casing. The first helical gear is located the week side of spacing axle, and first helical gear can rotate for spacing axle. The limiting shaft has the function of limiting the movement track of the first bevel gear. The matched size of the first helical gear and the second helical gear can be ensured, and structural support is provided for the first helical gear to effectively drive the second helical gear to move.

In any of the above solutions, further, the driving member includes: the motor is arranged on the shell; the worm is arranged in the shell and connected with the driving shaft of the motor, and the worm is meshed with the gear assembly.

In this solution, the driving member comprises a motor and a worm connected to a driving shaft of the motor, and the worm is engaged with the gear assembly. The motor drives the worm to rotate, and the worm rotation can drive the gear assembly to move.

Specifically, the worm meshes with the first helical gear.

A second aspect of the present invention proposes a cleaning apparatus comprising: a cleaning part; and the lifting mechanism according to any one of the first aspect, wherein the gear assembly is connected to the cleaning portion.

The cleaning apparatus provided by the present invention, because of comprising the lifting mechanism as in any one of the first aspects, has all the advantageous effects of the lifting mechanism described above, and is not described herein.

In the above technical solution, further, the cleaning part comprises a mop and/or a floor brush.

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

Drawings

The foregoing and/or additional aspects and advantages of the invention 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 shows a first partial schematic configuration of a cleaning apparatus according to an embodiment of the present invention;

Fig. 2 shows a schematic view of the structure of a cleaning part of the cleaning apparatus according to an embodiment of the present invention in a bottom position;

FIG. 3 shows a schematic view of the structure of a cleaning section of the cleaning apparatus of one embodiment of the present invention in a top position;

Fig. 4 shows a second partial structure diagram of the cleaning apparatus of an embodiment of the present invention.

Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 4 is:

The cleaning device comprises a 100 lifting mechanism, a 110 shell, a 120 driving part, 122 motors, 124 worms, 130 gear assemblies, 132 first bevel gears, 134 second bevel gears, 136 output shafts, 138 first elastic parts, 140 mounting grooves, 142 limiting shafts, 150 unidirectional gear parts, 152 resistance shafts, 154 third bevel gears, 156 unidirectional bearings, 158 second elastic parts, 160 limiting structures, 162 first limiting parts, 164 second limiting parts, 200 cleaning equipment and 210 cleaning parts.

Detailed Description

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.

The lifting mechanism 100 and the cleaning apparatus 200 according to some embodiments of the present invention are described below with reference to fig. 1 to 4.

Example 1:

As shown in fig. 1,2, 3 and 4, an embodiment of the first aspect of the present invention proposes a lifting mechanism 100 for a cleaning apparatus 200 having a cleaning portion 210, the lifting mechanism 100 including a housing 110, a driving member 120, a gear assembly 130 and a one-way gear portion 150.

The driving member 120 is disposed on the housing 110.

The gear assembly 130 is disposed on the housing 110, the gear assembly 130 is connected to the driving member 120 and the cleaning portion 210, and the driving member 120 is used for driving the gear assembly 130 to work so as to lift the cleaning portion 210.

The unidirectional gear portion 150 is engaged with the gear assembly 130, and the unidirectional gear portion 150 is used to cooperate with the gear assembly 130 to raise the cleaning portion 210.

In detail, the elevating mechanism 100 includes a housing 110, a driving member 120, a gear assembly 130, and a one-way gear portion 150. The driving member 120, the gear assembly 130 and the unidirectional gear portion 150 are provided to the housing 110, that is, the housing 110 serves as a mounting carrier for the driving member 120, the gear assembly 130 and the unidirectional gear portion 150.

The gear assembly 130 is connected to the driving member 120, the gear assembly 130 is connected to the cleaning part 210 of the cleaning device 200, and the one-way gear part 150 is engaged with the gear assembly 130.

The lifting mechanism 100 lowers the cleaning part 210 to clean the floor using the cleaning part 210. Specifically, the driving member 120 drives the gear assembly 130 to operate, and the gear assembly 130 can drive the cleaning portion 210 to move downward, so that the cleaning portion 210 descends from the top position to the bottom position, and then the cleaning portion 210 can be used to clean the ground.

After the cleaning portion 210 is cleaned, the lifting mechanism 100 lifts the cleaning portion 210 to collect the cleaning portion 210. Specifically, the driving member 120 drives the gear assembly 130 to operate, and since the unidirectional gear portion 150 is engaged with the gear assembly 130, the gear assembly 130 operates to be able to drive the unidirectional gear portion 150 to operate. The gear assembly 130 and the unidirectional gear portion 150 cooperate to act on the cleaning portion 210 together to drive the cleaning portion 210 to move upward, so that the cleaning portion 210 is lifted from the bottom position to the top position to recover the cleaning portion 210.

This setting is through the cooperation structure of reasonable setting gear assembly 130 and one-way gear portion 150 for one-way gear portion 150 cooperates with gear assembly 130 in order to rise cleaning portion 210, can increase the driving force that cleaning portion 210 risen, makes cleaning portion 210 rise more smooth and easy, can not appear the condition of jamming and take place, can guarantee that cleaning portion 210 can be effectively accomodate.

It will be appreciated that when the lifting mechanism 100 lowers the cleaning part 210 to clean the floor with the cleaning part 210, the unidirectional gear part 150 idles, and does not drive the cleaning part 210 to lower.

Example 2:

as shown in fig. 1,2, 3 and 4, on the basis of embodiment 1, embodiment 2 provides a lifting mechanism 100 for a cleaning apparatus 200 having a cleaning portion 210, the lifting mechanism 100 including a housing 110, a driving member 120, a gear assembly 130 and a one-way gear portion 150.

The driving member 120 is disposed on the housing 110.

Further, as shown in fig. 1,2, 3 and 4, the gear assembly 130 includes a first bevel gear 132, a second bevel gear 134 and an output shaft 136.

The first bevel gear 132 is located within the housing 110, and the first bevel gear 132 is coupled to the driver 120.

The second helical gear 134 is located within the housing 110, and both the first helical gear 132 and the one-way gear portion 150 mesh with the second helical gear 134.

The output shaft 136 is connected to the second bevel gear 134, and a portion of the output shaft 136 extends out of the housing 110, and a portion of the output shaft 136 located outside the housing 110 is used to connect to the cleaning portion 210.

Wherein the second bevel gear 134 is movable in an axial direction of the output shaft 136.

In detail, the gear assembly 130 includes a first helical gear 132, a second helical gear 134, and an output shaft 136. The first bevel gear 132 is connected to the driving member 120, the first bevel gear 132 is meshed with the second bevel gear 134, the one-way gear portion 150 is meshed with the second bevel gear 134, the output shaft 136 is connected to the second bevel gear 134, and the output shaft 136 is used to connect the cleaning portion 210.

The lifting mechanism 100 lowers the cleaning part 210 to clean the floor using the cleaning part 210. Specifically, the driving member 120 drives the first bevel gear 132 to rotate, the first bevel gear 132 rotates to drive the second bevel gear 134 to rotate, and the first bevel gear 132 has a downward component force on the second bevel gear 134. The second helical gear 134 can drive the unidirectional gear portion 150 to idle. The second bevel gear 134 moves downward by the downward component force of the first bevel gear 132, so that the cleaning part 210 descends from the top position to the bottom position, and then the cleaning part 210 can clean the ground.

After the cleaning portion 210 is cleaned, the lifting mechanism 100 lifts the cleaning portion 210 to collect the cleaning portion 210. Specifically, the driving member 120 drives the first bevel gear 132 to rotate reversely, the first bevel gear 132 drives the second bevel gear 134 to rotate reversely, the first bevel gear 132 has an upward component force on the second bevel gear 134, and the second bevel gear 134 drives the unidirectional gear portion 150 to rotate reversely. The first bevel gear 132 and the second bevel gear 134 need to overcome a certain torque, there is an upward component, and the unidirectional gear portion 150 has a resistance torque to the second bevel gear 134, there is an upward component. Accordingly, the second bevel gear 134 moves upward by the two upward component forces from the bottom position to the top position to complete the lifting action of the cleaning portion 210.

It will be appreciated that the first portion of the output shaft 136 is located in the housing 110, the second portion of the output shaft 136 extends out of the housing 110, the second portion of the output shaft 136 is connected to the cleaning portion 210, and the second bevel gear 134 can move to drive the output shaft 136 to move, so as to achieve the function of lifting the cleaning portion 210. Meanwhile, the second bevel gear 134 rotates to drive the cleaning part 210 to rotate, and when the cleaning part 210 is at the bottom position, the output shaft 136 rotates to drive the cleaning part 210 to rotate for cleaning.

Example 3:

As shown in fig. 1,2, 3 and 4, on the basis of embodiment 2, embodiment 3 provides a lifting mechanism 100 for a cleaning apparatus 200 having a cleaning portion 210, the lifting mechanism 100 including a housing 110, a driving member 120, a gear assembly 130 and a one-way gear portion 150.

The driving member 120 is disposed on the housing 110.

The gear assembly 130 includes a first bevel gear 132, a second bevel gear 134, and an output shaft 136.

Further, as shown in fig. 2 and 3, the gear assembly 130 further includes a first resilient member 138.

The first elastic member 138 is located in the housing 110, and the first elastic member 138 connects the inner surface of the housing 110 and the second bevel gear 134, and the first elastic member 138 is configured to apply a force to the second bevel gear 134 when the cleaning portion 210 is lowered.

In detail, the gear assembly 130 further includes a first elastic member 138, the first elastic member 138 is located in the housing 110, the first elastic member 138 is connected to an inner surface of the housing 110, and the first elastic member 138 is connected to the second bevel gear 134.

Specifically, the driving member 120 drives the first bevel gear 132 to rotate, the first bevel gear 132 rotates to drive the second bevel gear 134 to rotate, and the first bevel gear 132 has a downward component force on the second bevel gear 134. The second helical gear 134 can drive the unidirectional gear portion 150 to idle. The second bevel gear 134 moves downward by the downward component force of the first bevel gear 132 and the downward pressure of the first elastic member 138. That is, the first bevel gear 132 and the first elastic member 138 cooperate to drive the second bevel gear 134 to move downward. This arrangement increases the driving force for lowering the cleaning unit 210, so that the cleaning unit 210 can be lowered more smoothly, no jamming occurs, and the cleaning unit 210 can be effectively lowered to the bottom position.

Specifically, the driving member 120 drives the first bevel gear 132 to rotate reversely, the first bevel gear 132 drives the second bevel gear 134 to rotate reversely, the first bevel gear 132 has an upward component force on the second bevel gear 134, and the second bevel gear 134 drives the unidirectional gear portion 150 to rotate reversely. The first bevel gear 132 and the second bevel gear 134 need to overcome a certain torque, there is an upward component, and the unidirectional gear portion 150 has a resistance torque to the second bevel gear 134, there is an upward component. Accordingly, the second helical gear 134 moves upward from the bottom position to the top position against the downward force of the first elastic member 138 under the action of the two upward components.

Further, as shown in fig. 2 and 3, the second helical gear 134 is provided with a mounting groove 140, and a portion of the first elastic member 138 is provided in the mounting groove 140.

Wherein, through rationally setting up the cooperation structure of second helical gear 134 and first elastic component 138 for second helical gear 134 is equipped with mounting groove 140, and makes a part of first elastic component 138 locate in mounting groove 140, and mounting groove 140 has the effect of holding first elastic component 138 and connecting first elastic component 138. This arrangement can increase the mating area between the second bevel gear 134 and the first elastic member 138, and can ensure the stability and reliability of the assembly of the first elastic member 138 and the second bevel gear 134. Providing effective and reliable structural support for the first resilient member 138 cooperating with the first beveled gear 132 to drive the downward movement of the second beveled gear 134.

Specifically, the first elastic member 138 is connected with a groove wall of the mounting groove 140. Or the first elastic member 138 abuts against the groove wall of the mounting groove 140.

Example 4:

as shown in fig. 1,2,3 and 4, on the basis of embodiment 2 or embodiment 3, embodiment 4 provides a lifting mechanism 100 for a cleaning apparatus 200 having a cleaning portion 210, the lifting mechanism 100 including a housing 110, a driving member 120, a gear assembly 130 and a one-way gear portion 150.

The driving member 120 is disposed on the housing 110.

Further, as shown in fig. 1,2, 3 and 4, the second helical gear 134 is located between the first helical gear 132 and the one-way gear portion 150 in the radial direction of the output shaft 136.

In detail, the second helical gear 134 is positioned between the first helical gear 132 and the unidirectional gear portion 150 by reasonably arranging the mating structures of the first helical gear 132, the second helical gear 134 and the unidirectional gear portion 150. This setting can guarantee the equilibrium and the uniformity of first helical gear 132 and one-way gear portion 150 to second helical gear 134 application of force, avoids producing the moment of torsion that makes second helical gear 134 upset, reduces the resistance that drives second helical gear 134 motion for cleaning portion 210 motion is more smooth and easy, is favorable to reducing the energy consumption of product, and then is favorable to promoting the performance and the market competition of product.

Specifically, the second helical gear 134 is located between the first helical gear 132 and the one-way gear portion 150 in the radial direction of the output shaft 136. The first helical gear 132 is matched with the unidirectional gear portion 150, so that the axial space of the output shaft 136 is not occupied while the effectiveness and feasibility of driving the second helical gear 134 to move can be ensured, a larger lifting space can be provided for the cleaning portion 210, and the usability of a product is improved.

Example 5:

As shown in fig. 1,2,3 and 4, on the basis of any one of embodiments 2 to 4, embodiment 5 provides a lifting mechanism 100 for a cleaning apparatus 200 having a cleaning portion 210, the lifting mechanism 100 including a housing 110, a driving member 120, a gear assembly 130 and a one-way gear portion 150.

The driving member 120 is disposed on the housing 110.

Further, as shown in fig. 2 and 3, the lifting mechanism 100 further includes a limit structure 160.

The limiting structure 160 is disposed in the housing 110, and the limiting structure 160 is configured to limit the displacement of the second helical gear 134 along the axial direction of the output shaft 136.

In detail, by reasonably arranging the lifting mechanism 100, the lifting mechanism 100 further includes a limiting structure 160, the limiting structure 160 is disposed in the housing 110, and the limiting structure 160 can limit the displacement of the second bevel gear 134 along the axial direction of the output shaft 136, so as to ensure the lifting displacement of the cleaning portion 210.

The lifting mechanism 100 lowers the cleaning part 210 to clean the floor using the cleaning part 210. Specifically, the driving member 120 drives the gear assembly 130 to operate, and the gear assembly 130 can drive the cleaning portion 210 to move downward, so that the cleaning portion 210 descends from the top position to the bottom position. Under the action of the limiting structure 160, the cleaning part 210 stops moving downwards, and only keeps rotating action under the action of the second bevel gear 134, so that the cleaning part 210 is driven to rotate to perform cleaning work.

After the cleaning portion 210 is cleaned, the lifting mechanism 100 lifts the cleaning portion 210, and the limiting structure 160 can limit the cleaning portion 210 at the top position.

Example 6:

As shown in fig. 1,2, 3 and 4, on the basis of embodiment 5, embodiment 6 provides a lifting mechanism 100 for a cleaning apparatus 200 having a cleaning portion 210, the lifting mechanism 100 including a housing 110, a driving member 120, a gear assembly 130 and a one-way gear portion 150.

The driving member 120 is disposed on the housing 110.

The lift mechanism 100 also includes a limit structure 160.

Further, as shown in fig. 2 and 3, the limiting structure 160 includes a first limiting portion 162 and a second limiting portion 164.

The second bevel gear 134 is located between the first and second limiting portions 162 and 164.

In detail, the limiting structure 160 includes a first limiting portion 162 and a second limiting portion 164, and the second helical gear 134 is located between the first limiting portion 162 and the second limiting portion 164.

Lowering the cleaning portion 210, one of the first stopper 162 and the second stopper 164 can stopper the cleaning portion 210 at the bottom position.

Raising the cleaning portion 210, the other of the first and second stopper portions 162 and 164 can stopper the cleaning portion 210 at the top position.

That is, the first and second limiting portions 162 and 164 cooperate to limit displacement of the second helical gear 134 in the axial direction of the output shaft 136.

Further, the first and second limiting portions 162 and 164 each include a limiting protrusion.

A portion of the housing wall of the housing 110 is convex toward the middle of the housing 110 to form a limit projection, which is located on the peripheral side of the output shaft 136.

Wherein, the first spacing portion 162 includes a spacing protrusion, the second spacing portion 164 includes a spacing protrusion, and the spacing protrusion of the first spacing portion 162 and the spacing protrusion of the second spacing portion 164 cooperate to limit the displacement of the second helical gear 134 along the axial direction of the output shaft 136.

Specifically, the limiting protrusion is located on the peripheral side of the output shaft 136, and the limiting protrusion of the first limiting portion 162 and the limiting protrusion of the second limiting portion 164 are matched to limit the cleaning portion 210 along the radial direction of the output shaft 136. That is, the limiting structure 160 can limit the cleaning portion 210 from multiple directions and multiple angles, providing stable and reliable structural support for the effective movement of the cleaning portion 210.

Specifically, the housing 110 and the limit structure 160 are integrally formed. The structure omits the assembly process of the shell 110 and the limit structure 160, so that the assembly and subsequent disassembly processes of the shell 110 and the limit structure 160 are simplified, the assembly and disassembly efficiency is improved, and the production and maintenance cost can be reduced. In addition, the housing 110 and the limiting structure 160 are integrally formed to ensure the dimensional accuracy of the product molding.

Example 7:

As shown in fig. 1,2, 3 and 4, on the basis of any of the above embodiments, embodiment 7 provides a lifting mechanism 100 for a cleaning apparatus 200 having a cleaning portion 210, the lifting mechanism 100 including a housing 110, a driving member 120, a gear assembly 130 and a one-way gear portion 150.

The driving member 120 is disposed on the housing 110.

Further, as shown in fig. 2 and 3, the one-way gear portion 150 includes a resistance shaft 152, a third bevel gear 154, a second elastic member 158, and a one-way bearing 156.

The resistive shaft 152 is rotatably coupled to the housing 110.

The third bevel gear 154 is located on the circumferential side of the resistance shaft 152, and the third bevel gear 154 is meshed with the gear assembly 130.

A one-way bearing 156 is connected between the resistance shaft 152 and the third bevel gear 154.

The second elastic member 158 connects the inner surface of the housing 110 and the resistance shaft 152, and the second elastic member 158 applies resistance to the resistance shaft 152 when the cleaning part 210 is lifted.

In detail, the unidirectional gear portion 150 includes a resistance shaft 152, a third bevel gear 154, a second elastic member 158, and a unidirectional bearing 156.

The lifting mechanism 100 lowers the cleaning part 210 to clean the floor using the cleaning part 210. Specifically, the driving member 120 drives the first bevel gear 132 to rotate, the first bevel gear 132 rotates to drive the second bevel gear 134 to rotate, and the first bevel gear 132 has a downward component force on the second bevel gear 134. The second bevel gear 134 can drive the third bevel gear 154 to rotate. The resistance shaft 152 is maintained in a non-rotating state due to the unidirectional bearing 156. The second bevel gear 134 moves downward under the downward component force of the first bevel gear 132 and the downward pressure of the first elastic member 138, so that the cleaning part 210 descends from the top position to the bottom position, and then stops moving downward, and only keeps rotating motion, so that the cleaning part 210 is driven to rotate to perform cleaning work.

After the cleaning portion 210 is cleaned, the lifting mechanism 100 lifts the cleaning portion 210 to collect the cleaning portion 210. Specifically, the driving member 120 drives the first bevel gear 132 to rotate reversely, the first bevel gear 132 drives the second bevel gear 134 to rotate reversely, the first bevel gear 132 has an upward component force on the second bevel gear 134, the second bevel gear 134 drives the third bevel gear 154 to rotate reversely, and the resistance shaft 152 is driven to rotate due to the action of the one-way bearing 156. The resistive shaft 152 needs to overcome the force of the second resilient member 158 when rotating. Therefore, the first bevel gear 132 is required to drive the second bevel gear 134 against a certain torque, there is an upward component, and the third bevel gear 154 is required to resist the torque of the second bevel gear 134, there is an upward component. Thus, the second helical gear 134 moves upward against the downward force of the first elastic member 138 under the action of the two upward components. The cleaning part 210 reaches the top position from the bottom position, and then stops moving, thereby realizing the lifting operation of the cleaning part 210.

Further, the second elastic member 158 includes a torsion spring and/or a rubber portion.

Wherein the second elastic member 158 includes a torsion spring and/or a rubber portion, e.g., the second elastic member 158 includes a torsion spring, e.g., the second elastic member 158 includes a rubber portion, e.g., the second elastic member 158 includes a torsion spring and a rubber portion.

This arrangement can satisfy the use requirement of applying resistance to the resistance shaft 152 when the cleaning portion 210 is lifted.

When the second elastic member 158 includes a rubber portion, a head portion of the rubber portion may be in contact with the resistance shaft 152 to apply resistance to the resistance shaft 152.

When the second elastic member 158 includes a rubber portion, the rubber portion is sleeved on the resistance shaft 152 to apply resistance to the resistance shaft 152.

When the second elastic member 158 includes a torsion spring, the torsion spring is connected with the resistance shaft 152 to apply resistance to the resistance shaft 152.

Example 8:

As shown in fig. 1,2,3 and 4, on the basis of embodiment 2 or embodiment 3, embodiment 8 provides a lifting mechanism 100 for a cleaning apparatus 200 having a cleaning portion 210, the lifting mechanism 100 including a housing 110, a driving member 120, a gear assembly 130 and a one-way gear portion 150.

The driving member 120 is disposed on the housing 110.

Further, as shown in fig. 2 and 3, the gear assembly 130 further includes a limiting shaft 142.

The limiting shaft 142 is disposed in the housing 110, the first bevel gear 132 is disposed on a circumferential side of the limiting shaft 142, and the first bevel gear 132 can rotate relative to the limiting shaft 142.

In detail, the gear assembly 130 further includes a limiting shaft 142, where the limiting shaft 142 is disposed in the housing 110, for example, the limiting shaft 142 is fixedly connected with an inner surface of the housing 110. The first bevel gear 132 is located on the circumferential side of the limiting shaft 142, and the first bevel gear 132 is rotatable relative to the limiting shaft 142. The limiting shaft 142 has a function of limiting the movement trace of the first helical gear 132. The mating dimensions of the first bevel gear 132 and the second bevel gear 134 may be ensured to provide structural support for the first bevel gear 132 to effectively drive the second bevel gear 134 in motion.

Example 9:

as shown in fig. 1,2, 3 and 4, on the basis of any of the above embodiments, embodiment 9 provides a lifting mechanism 100 for a cleaning apparatus 200 having a cleaning portion 210, the lifting mechanism 100 including a housing 110, a driving member 120, a gear assembly 130 and a one-way gear portion 150.

The driving member 120 is disposed on the housing 110.

Further, as shown in fig. 2, 3 and 4, the driving member 120 includes a motor 122 and a worm 124.

The motor 122 is provided to the housing 110.

A worm 124 is disposed within the housing 110, the worm 124 is coupled to a drive shaft of the motor 122, and the worm 124 is meshed with a gear assembly 130.

In detail, the driving member 120 includes a motor 122 and a worm 124, the worm 124 is connected to a driving shaft of the motor 122, and the worm 124 is engaged with a gear assembly 130. The motor 122 drives the worm 124 to rotate, and the worm 124 rotates to drive the gear assembly 130 to move.

Specifically, the worm 124 meshes with a first helical gear 132.

Example 10:

as shown in fig. 1,2,3 and 4, an embodiment of a second aspect of the present invention proposes a cleaning apparatus 200 including: a cleaning section 210; and the lifting mechanism 100 according to any one of the embodiments of the first aspect, the gear assembly 130 is connected to the cleaning part 210.

In detail, the cleaning apparatus 200 includes a cleaning part 210 and a lifting mechanism 100.

The lifting mechanism 100 includes a housing 110, a driving member 120, a gear assembly 130, and a one-way gear portion 150. The driving member 120, the gear assembly 130 and the unidirectional gear portion 150 are provided to the housing 110, that is, the housing 110 serves as a mounting carrier for the driving member 120, the gear assembly 130 and the unidirectional gear portion 150.

Further, the cleaning part 210 includes a mop and/or a floor brush.

The gear assembly 130 includes a first bevel gear 132, a second bevel gear 134, and an output shaft 136. The first bevel gear 132 is connected to the driving member 120, the first bevel gear 132 is meshed with the second bevel gear 134, the one-way gear portion 150 is meshed with the second bevel gear 134, the output shaft 136 is connected to the second bevel gear 134, and the output shaft 136 is used to connect the cleaning portion 210.

In the present invention, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting mechanism for a cleaning apparatus having a cleaning portion, the lifting mechanism comprising:

A housing;

the driving piece is arranged on the shell;

The gear assembly is arranged on the shell and is connected with the driving piece and the cleaning part, and the driving piece is used for driving the gear assembly to work so as to lift the cleaning part;

The unidirectional gear part is arranged on the shell, is meshed with the gear assembly and is used for being matched with the gear assembly to lift the cleaning part;

The gear assembly includes:

The first bevel gear is positioned in the shell and is connected with the driving piece;

a second helical gear positioned in the housing, the first helical gear and the one-way gear portion both meshing with the second helical gear;

The output shaft is connected with the second bevel gear, a part of the output shaft extends out of the shell, and the part of the output shaft positioned outside the shell is used for being connected with the cleaning part;

Wherein the second helical gear is movable in the axial direction of the output shaft;

the gear assembly further includes:

A first elastic member disposed in the housing and connecting an inner surface of the housing and the second bevel gear, the first elastic member being configured to apply a force to the second bevel gear when the cleaning portion is lowered;

the one-way gear portion includes:

The resistance shaft is rotationally connected with the shell;

a third bevel gear positioned on a circumferential side of the resistance shaft, the third bevel gear being meshed with the gear assembly;

A one-way bearing connected between the resistance shaft and the third bevel gear;

and the second elastic piece is connected with the inner surface of the shell and the resistance shaft, and is used for applying resistance to the resistance shaft when the cleaning part is lifted.

2. The lifting mechanism of claim 1, wherein the second bevel gear is provided with a mounting groove, and a portion of the first resilient member is disposed within the mounting groove.

3. The lifting mechanism of claim 1, wherein the second bevel gear is located between the first bevel gear and the one-way gear portion in a radial direction of the output shaft.

4. The lift mechanism of claim 1, further comprising:

And the limiting structure is arranged in the shell and is used for limiting the displacement of the second bevel gear along the axial direction of the output shaft.

5. The lift mechanism of claim 4, wherein the limit structure comprises:

A first limit part;

the second helical gear is located between the first limiting part and the second limiting part.

6. The lifting mechanism of claim 5, wherein the first limit portion and the second limit portion each comprise:

And a limiting protrusion, wherein a part of shell wall of the shell protrudes towards the middle part of the shell to form the limiting protrusion, and the limiting protrusion is positioned on the peripheral side of the output shaft.

7. The lifting mechanism of claim 1, wherein the second resilient member comprises a torsion spring and/or a rubber portion.

8. The lift mechanism of claim 1, wherein the gear assembly further comprises:

The limiting shaft is arranged in the shell, the first bevel gear is positioned on the periphery side of the limiting shaft, and the first bevel gear can rotate relative to the limiting shaft.

9. The lift mechanism of claim 1, wherein the drive member comprises:

The motor is arranged on the shell;

The worm is arranged in the shell and connected with the driving shaft of the motor, and the worm is meshed with the gear assembly.

10. A cleaning apparatus, comprising:

A cleaning part; and

The lift mechanism of any one of claims 1 to 9, the gear assembly coupled to the cleaning portion.

11. The cleaning apparatus of claim 10, wherein the cleaning device comprises a cleaning device,

The cleaning part comprises a mop and/or a floor brush.