CN112971647A

CN112971647A - Recharging seat of sweeping robot

Info

Publication number: CN112971647A
Application number: CN202110220038.XA
Authority: CN
Inventors: 薄亮
Original assignee: Beijing Xiangjie Technology Co ltd
Current assignee: Beijing Xiangjie Technology Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-06-18
Anticipated expiration: 2041-02-26
Also published as: CN112971647B

Abstract

The invention discloses a recharging seat of a sweeping robot, which comprises: a main body, a shearing assembly and a drying assembly; the upper surface of the main body is used for bearing the sweeping robot and charging the sweeping robot; the upper surface is provided with a through hole corresponding to the shearing assembly and an air outlet corresponding to the drying assembly; the cutting assembly is connected in the main body and used for cutting the winding objects of the rolling brush on the sweeping robot through the through holes; the drying component is connected in the main body and used for drying moisture of cleaning cloth on the sweeping robot through the air outlet. Through add shearing subassembly and dry subassembly on original basis of refilling the seat, realize can cut the entanglement of the last round brush of robot of sweeping the floor and weather the moisture of cleaning cloth on the robot of sweeping the floor on original function of charging to the winding difficulty of clearance round brush among the prior art and the trouble problem of moisture of cleaning cloth on the robot of drying the floor have been solved.

Description

Recharging seat of sweeping robot

Technical Field

The invention relates to the field of intelligent manufacturing, in particular to a recharging seat of a sweeping robot.

Background

The recharging seat of the existing sweeping robot only has a charging function, and the function is single, so that the daily diversified requirements of people cannot be met.

Disclosure of Invention

The embodiment of the invention provides a recharging seat of a sweeping robot, which has the technical effect that the functions of shearing and winding objects and drying are added on the basis of the original charging function, so that the recharging seat is diversified.

The invention provides a recharging seat of a sweeping robot, which comprises a main body, a shearing assembly and a drying assembly, wherein the main body is provided with a sealing ring; the upper surface of the main body is used for bearing the sweeping robot and charging the sweeping robot; the upper surface is provided with a through hole corresponding to the shearing assembly and an air outlet corresponding to the drying assembly; the cutting assembly is connected in the main body and used for cutting the winding objects of the rolling brush on the sweeping robot through the through holes; the drying component is connected in the main body and used for drying moisture of cleaning cloth on the sweeping robot through the air outlet.

In one embodiment, the shear assembly includes a mounting housing, a cutting member, and a drive member; the mounting shell is fixedly connected to the inner bottom surface of the main body; the bottom end of the cutting piece is connected into the mounting shell, and the top end of the cutting piece penetrates through the through hole; the driving piece is connected in the installation shell, and is connected in the cutting piece, is used for driving the reciprocating motion of the cutting piece, so as to cut the winding of the rolling brush on the sweeping robot.

In one embodiment, the cutting element comprises a fixed element and a movable element; the fixed piece and the movable piece are positioned in the installation shell side by side, and the top ends of the fixed piece and the movable piece are both in a sawtooth shape; the fixing piece is fixed in the mounting shell; the movable piece is connected to the driving piece so as to move relative to the fixed piece under the driving of the driving piece.

In an implementation manner, a first opening is formed in an end part of the movable part, which is used for being connected with the driving part, and a detachably connected middle part is arranged at the first opening; the middle piece is provided with a second opening; the driving piece is provided with a connecting rod and is positioned in the second opening and used for driving the moving piece and the fixing piece to move relatively by driving the connecting rod.

In one embodiment, the surface of the fixed part facing the movable part is provided with at least one groove.

In an embodiment, the movable member further includes at least a first connecting member, a second connecting member, and a third connecting member: one end of the first connecting piece is connected to the driving piece, and the other end of the first connecting piece is connected to one end of the second connecting piece in an interference fit mode; the other end of the second connection is connected to the end of the third connection piece in an interference fit manner.

In one embodiment, the drying assembly comprises a ventilating duct, a fan and a heating element; the ventilation pipeline is connected to the inner bottom surface of the main body and comprises a first opening end and a second opening end, wherein the first opening end is connected with the fan, and the second opening end is communicated with the air outlet; the heating piece is arranged on the side surface of the ventilation pipeline and used for heating the airflow in the ventilation pipeline; the fan is connected to the inner bottom surface of the main body and used for blowing air flow to the cleaning cloth on the sweeping robot sequentially through the first opening end, the heating part, the second opening end and the air outlet.

In an implementation manner, the air outlet includes a plurality of air outlets, and the air outlets are arranged side by side.

In an embodiment, the diameters of the middle sections of the ventilation ducts are smaller than the diameters of the first open end and the second open end of the ventilation duct.

In one embodiment, the upper surface of the body is a bevel; the through hole is located on the upper side of the inclined plane, and the air outlet is located on the lower side of the inclined plane.

In the embodiment of the invention, the cutting assembly and the drying assembly are additionally arranged on the basis of the original recharging seat, so that the winding of the rolling brush on the sweeping robot can be cut and the moisture of the cleaning cloth on the sweeping robot can be dried on the basis of the original charging function, and the problems of difficulty in cleaning the winding on the rolling brush and trouble in drying the moisture of the cleaning cloth on the sweeping robot in the prior art are solved.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

Fig. 1 is a schematic view of an overall structure of a recharging seat of a sweeping robot according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of an overall structure of a recharging seat of the sweeping robot according to the embodiment of the invention;

fig. 3 is a schematic structural diagram of a shearing assembly in a recharging seat of the sweeping robot according to the embodiment of the invention;

fig. 4 is an exploded schematic view of a shearing assembly in a recharging seat of a sweeping robot according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of a shearing assembly in a recharging seat of the sweeping robot in another direction according to the embodiment of the invention;

fig. 6 is an exploded schematic view of a drying assembly in a recharging seat of a sweeping robot according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a sweeping robot with a cutting assembly in an upright posture in a refill seat according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a back-filling seat of a sweeping robot according to an embodiment of the present invention, wherein a shearing assembly is in a lying posture;

fig. 9 is a schematic structural view of a telescopic assembly in a recharging seat of a sweeping robot according to an embodiment of the present invention.

In the figure: 1. a main body; 11. a first housing; 12. a second housing; 13. a through hole; 14. an air outlet; 2. a shear assembly; 21. installing a shell; 211. a first mounting housing; 212. a second mounting housing; 22. cutting the piece; 221. a fixing member; 2211. a groove; 222. a movable member; 2221. a first connecting member; 2222. a second connecting member; 2223. a third connecting member; 23. a drive member; 231. a connecting rod; 24. a first opening; 25. a middleware; 251. a second opening; 3. a drying assembly; 31. a fan; 32. a ventilation duct; 321. a first open end; 322. a second open end; 4. a charging assembly; 5. a rotating assembly; 51. a first rotating electrical machine; 52. a gear set; 6. a telescoping assembly; 61. a second rotating electrical machine; 62. a base; 63. a cam; 64. a spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, the present invention provides a recharging seat of a sweeping robot, comprising: a main body 1, a shearing assembly 2 and a drying assembly 3;

the upper surface of the main body 1 is used for bearing the sweeping robot and charging the sweeping robot;

the upper surface is provided with a through hole 13 corresponding to the shearing assembly 2 and an air outlet 14 corresponding to the drying assembly 3;

the cutting assembly 2 is connected in the main body 1 and used for cutting the winding objects of the rolling brush on the sweeping robot through the through hole 13;

the drying component 3 is connected in the main body 1 and used for drying moisture of cleaning cloth on the sweeping robot through the air outlet 14.

In this embodiment, the main body 1 is in an "L" shape, and specifically includes a first housing 11, a second housing 12, and a bottom plate, where the first housing 11 and the second housing 12 are perpendicular to each other and fixedly connected to each other, and both are fixedly mounted on the bottom plate.

The cavity formed between the first housing 11 and the bottom plate is used for accommodating a charging assembly 4 for charging, such as a power source head, a power supply interface, a transformer and the like.

The cavity formed between the second shell and the base plate is used for accommodating the cutting assembly 2 and the drying assembly 3.

The upper surface of the main body 1 is specifically the upper surface of the second housing 12 and is an inclined surface for bearing the sweeping robot. When the sweeping robot moves to the upper surface of the second housing 12, the charging assembly 4 of the main body 1 is electrically connected to the sweeping robot to charge the sweeping robot.

The upper surface of the second shell 12 is further provided with an air outlet 14 and a through hole 13, wherein the air outlet 14 is specifically positioned on one side of the upper surface far away from the second shell 12; the through hole 13 is located between the air outlet 14 and the second housing 12, and is next to the air outlet 14, that is, the through hole 13 is located on the upper side of the air outlet 14.

The cutting assembly 2 is fixedly mounted on the bottom plate and corresponds to the through hole 13 of the second housing 12 in the up-and-down position. The cutting assembly 2 may include a serrated blade, a motor and the like, the serrated blade is mounted on the bottom plate and located at the through hole 13, and the motor is connected to the serrated blade to move the serrated blade back and forth from side to side, so as to cut the entanglement of the rolling brush on the sweeping robot, wherein the entanglement includes hair, lines, paper towels and the like.

The drying component 3 is fixedly mounted on the bottom plate, and may include a fan 31 and a ventilation duct 32, wherein one end of the ventilation duct 32 is communicated with the air outlet 14 on the second housing 12, and the other end is connected with the fan 31. When the cleaning cloth drying device is used, the fan 31 is started to drive airflow to flow, then the airflow is discharged from the air outlet 14 through the ventilation pipeline 32, and then the moisture of the cleaning cloth on the sweeping robot is dried, wherein the cleaning cloth comprises rolling cloth, mop cloth and the like.

From this, through add shearing module 2 and drying assembly 3 on original basis of refilling the seat, realize can cut the entanglement of the last round brush of robot of sweeping the floor and weather the moisture of cleaning cloth on the robot of sweeping the floor on original function of charging to the entanglement difficulty of clearance round brush among the prior art and the trouble problem of moisture of cleaning cloth on the robot of drying the floor have been solved.

As shown in fig. 2, in an embodiment, the air outlet 14 includes a plurality of air outlets, and the air outlets are arranged side by side.

In this embodiment, every exhaust vent is rectangular form, through the exhaust vent with a plurality of settings side by side, can prevent that the winding that cuts through shearing module 2 from falling into inside the main part 1.

As shown in fig. 2-4, in one possible embodiment, shear assembly 2 includes a mounting housing 21, a cutter 22, and a drive 23;

the mounting shell 21 is fixedly connected to the inner bottom surface of the main body 1;

the bottom end of the cutting piece 22 is connected in the mounting shell 21, and the top end penetrates through the through hole 13;

the driving member 23 is connected in the mounting housing 21 and connected to the cutting member 22, and is used for driving the cutting member 22 to reciprocate so as to cut the winding of the rolling brush on the sweeping robot.

In this embodiment, the mounting housing 21 further includes a first mounting housing 211 and a second mounting housing 212, where the first mounting housing 211 is long, the second mounting housing 212 is right-angled, and the first mounting housing 211 and the second mounting housing 212 are detachably connected to form a cavity.

The cutter 22 may be embodied as a serrated blade, which is installed in the cavity and has a length corresponding to the through hole 13. When the cutting member 22 is installed, the bottom end thereof is specifically installed in the second installation housing 212, and the top end thereof is inserted into the through hole 13 and slightly exceeds the upper surface of the main body 1.

The driving member 23 may be a motor connected to the left or right end of the cutter member 22. When the robot is used, the motor starts to work, and the eccentric wheel is driven to rotate back and forth to drive the cutting piece 22 to reciprocate left and right along the length direction of the cutting piece 22, so that the effect of cutting the winding objects of the rolling brush on the sweeping robot is achieved.

As shown in fig. 4, in one embodiment, cutting member 22 includes a stationary member 221 and a moveable member 222;

the fixed piece 221 and the movable piece 222 are located in the installation shell 21 side by side, and the top ends of the fixed piece 221 and the movable piece 222 are both in a sawtooth shape;

the fixing member 221 is fixed in the installation case 21;

the movable element 222 is connected to the driving element 23 to move relative to the fixed element 221 under the driving of the driving element 23.

In this embodiment, the fixed part 221 and the movable part 222 are both long saw-toothed and arranged side by side. The fixed member 221 is fixedly installed in the installation housing 21, and the movable member 222 abuts against the installation housing 21.

One end of the movable member 222 is connected to the driving member 23, and when the driving member 23 operates, the driving member drives one end of the movable member 222 to make the entire movable member 222 perform a transverse cutting motion relative to the fixed member 221.

In one embodiment, as shown in fig. 4, the end of the movable member 222 for connection with the driving member 23 is provided with a first opening 24, and the first opening 24 is provided with a detachably connected intermediate member 25;

the intermediate member 25 is provided with a second opening 251;

the driving member 23 is disposed with a connecting rod 231 and located in the second opening 251, for driving the connecting rod 231 to drive the movable member 222 and the fixed member 221 to move relatively.

In this embodiment, the first opening 24, the intermediate member 25, and the second opening 251 are all shaped like a "U". The intermediate piece 25 and the first opening 24 are installed in a sliding mode, and the intermediate piece 25 can be replaced conveniently due to the sliding installation. The connecting rod 231 of the driving member 23 abuts against the second opening 251, and when the driving member is used, the motor drives the connecting rod 231 to rotate back and forth in the circumferential direction through the eccentric wheel, so that the whole movable member 222 reciprocates left and right.

In one embodiment, as shown in fig. 5, stationary member 221 has at least one recess 2211 in a surface facing moveable member 222.

In this embodiment, the groove 2211 is transversely located on the surface of the fixed element 221 facing the movable element 222, two ends of the groove 2211 penetrate two ends of the fixed element 221, and the number of the grooves 2211 may be one, or two or more. The groove 2211 can reduce the friction force generated by the fixing element 221 and the movable element 222 during the relative movement, so that the relative movement of the fixing element 221 and the movable element 222 is smoother.

As shown in fig. 4 and 5, in an embodiment, the movable member 222 further includes at least a first connection member 2221, a second connection member 2222, and a third connection member 2223:

one end of the first connector 2221 is connected to the driving member 23, and the other end is connected to one end of the second connector 2222 in an interference fit manner;

the other end of the second connector 2222 is connected to the end of the third connector 2223 by interference fit.

In this embodiment, the movable member 222 further includes at least a first connecting member 2221, a second connecting member 2222, and a third connecting member 2223, which is convenient for replacement operation when a certain section is damaged. The second connectors 2222 are connected to the first connectors 2221 and the third connectors 2223 in an interference fit manner. The specific way of the interference fit is to form butterfly holes at two ends of the second connecting part 2222, and correspondingly, protrusions matched with the butterfly holes are disposed at corresponding ends of the first connecting part 2221 and the third connecting part 2223, and the protrusions are connected in the interference fit manner.

As shown in fig. 2 and 6, in an embodiment, the drying assembly 3 includes an air duct 32, a fan 31 and a heat generating member 33;

the ventilation duct 32 is connected to the inner bottom surface of the main body 1 and includes a first open end 321 and a second open end 322, wherein the first open end 321 is connected to the fan 31, and the second open end 322 is communicated with the air outlet 14;

the heating member 33 is mounted on the side surface of the ventilation duct 32 and used for heating the airflow in the ventilation duct 32;

the fan 31 is connected to the inner bottom surface of the main body 1, and is used for blowing the air flow to the cleaning cloth on the sweeping robot through the first opening end 321, the heating element 33, the second opening end 322 and the air outlet 14 in sequence.

In this embodiment, the ventilation duct 32 is specifically fixedly mounted on the bottom plate of the main body 1, the first open end 321 of the ventilation duct 32 is specifically communicated with the open end of the fan 31, the second open end 322 is communicated with the air outlet 14 on the main body 1, and the length of the second open end 322 is adapted to the length of the air outlet 14.

The heating element 33 may be an electric heating wire or a heating rod, and is installed through the sidewall of the ventilation duct 32 for heating the air flow in the ventilation duct 32, so as to achieve the effect of rapid drying. The heating element 33 may be turned on at the same time when the blower 31 starts to operate, or may be turned on by a separate control button.

The fan 31 is specifically connected to the upper surface of the bottom plate, and when the floor cleaning robot works, air flow is blown to the second opening end 322 from the first opening end 321 along the ventilation duct 32, and is finally discharged from the air outlet 14 and blown to cleaning cloth on the floor cleaning robot, so that the effect of drying the cleaning cloth is achieved.

Of course, the function of the heat generating member 33 may not be turned on during use, even if the normal temperature air flow is blown out.

As shown in fig. 2 and 6, in an embodiment, the intermediate section of the ventilation duct 32 has a smaller diameter than the first and second open ends 321 and 322 of the ventilation duct 32.

In this embodiment, the aperture of the middle section of the ventilation duct 32 is set to be smaller than the apertures of the first opening end 321 and the second opening end 322 of the ventilation duct 32, so that the speed of the airflow blown out from the second opening end 322 is increased, and a better drying effect is achieved.

The use process of the recharging seat is as follows:

when the sweeping robot returns to the recharging seat, the cutting assembly 2 starts to work, specifically, the driving member 23 on the cutting assembly 2 starts to work, and drives the moving member 222 in the cutting member 22 to move back and forth left and right, so that the winding of the rolling brush on the sweeping robot is cut.

If the cleaning cloth on the sweeping robot is wet, the drying assembly 3 starts to work, specifically, the fan 31 on the drying assembly 3 blows out air flow from the air outlet 14 on the main body 1 through the ventilation pipeline 32, and then the cleaning cloth on the sweeping robot is dried or dried.

On the basis of the above structure, referring to fig. 7 and 8, preferably, the refill seat further includes a rotating assembly 5 installed at one end of the cutting assembly 2, and specifically configured to rotate the cutting assembly 2, so that the cutting assembly 2 is hidden inside the refill seat when the robot moves to the refill seat, when the robot is located on the refill seat and a wound object needs to be cut, a part of the cutting assembly 2 extends out of the upper surface of the refill seat, and the rotating assembly 5 is configured to prevent the cutting assembly 2 from interfering with the actions of the sweeping robot.

The rotating assembly 5 specifically comprises a first rotating motor 51 and a gear set 52, wherein the gear set 52 is mounted at one end of the cutting assembly 2 and connected with the first rotating motor 51, the cutting assembly 2 can be switched between an upright posture and a lying posture by driving the first rotating motor 51 to rotate, when the cutting assembly 2 is in the upright posture (see fig. 7), the cutting assembly 2 can perform a cutting action, and when the cutting assembly 2 is in the lying posture (see fig. 8), the cutting assembly 2 is hidden inside the recharging seat, and at this time, the driving member 23 is separated from the movable member 222.

Further, this embodiment may be implemented by a telescoping assembly 6 in addition to the rotating assembly 5 to conceal the shear assembly 2. Referring to fig. 9, the telescopic assembly 6 includes a second rotating motor 61, a base 62 and a cam 63, the fixing element 221 is installed on the base 62, the second rotating motor 61 is disposed on one side of the base 62, a power shaft of the second rotating motor 61 is connected with the base 62, the cam 63 is disposed on the power shaft of the second rotating motor 61 in a penetrating manner, and a spring 64 is further disposed between an inner top wall of the recharging base and the base 62; the second rotating motor 61 can drive the cam 63 to rotate by a set angle, so that the cam 63 can abut against the inner bottom surface of the recharging base and compress the spring 64, and further drive the fixed member 221 and the movable member 222 to move a certain distance upwards/downwards; the second rotating motor 61 can further drive the adjusting cam 63 to rotate continuously by a set angle, so as to reset the fixed element 221 and the movable element 222 under the action of the elastic force of the spring 64. Specifically, in this embodiment, when the fixing element 221 and the moving element 222 need to be hidden, the second rotating motor 61 rotates to drive the cam 63 to rotate, so that the protruding portion of the cam 63 gradually abuts against the inner bottom surface of the charging base, and the whole base 62 is jacked up, and at this time, the spring 64 is compressed, and hair cleaning can be performed; after the hair is cleaned, the second rotating motor 61 rotates again, so that the protruding portion of the cam 63 is gradually away from the bottom of the recharging seat, and then the base 62 is pressed back to the initial position again under the action of the elastic force of the spring 64, so as to achieve the purpose of hiding the fixing member 222 and the moving member 223.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a robot sweeps floor's seat of recharging which characterized in that includes: a main body (1), a shearing assembly (2) and a drying assembly (3);

the upper surface of the main body (1) is used for bearing the sweeping robot and charging the sweeping robot;

the upper surface is provided with a through hole (13) corresponding to the shearing assembly (2) and an air outlet (14) corresponding to the drying assembly (3);

the shearing assembly (2) is connected into the main body (1) and used for cutting the winding of the rolling brush on the sweeping robot through the through hole (13);

the drying component (3) is connected in the main body (1) and used for drying moisture of cleaning cloth on the sweeping robot through the air outlet (14).

2. Refill seat according to claim 1, wherein the shearing assembly (2) comprises a mounting housing (21), a cutting member (22) and a driving member (23);

the mounting shell (21) is fixedly connected to the inner bottom surface of the main body (1);

the bottom end of the cutting piece (22) is connected into the mounting shell (21), and the top end of the cutting piece penetrates through the through hole (13);

the driving piece (23) is connected in the installation shell (21) and connected in the cutting piece (22) and used for driving the cutting piece (22) to reciprocate so as to cut the winding of the rolling brush on the sweeping robot.

3. Refill seat according to claim 2, wherein said cutting member (22) comprises a fixed member (221) and a movable member (222);

the fixed piece (221) and the movable piece (222) are positioned in the mounting shell (21) side by side, and the top ends of the fixed piece (221) and the movable piece (222) are both in a sawtooth shape;

the fixing piece (221) is fixed in the mounting shell (21);

the movable piece (222) is connected to the driving piece (23) so as to move relative to the fixed piece (221) under the driving of the driving piece (23).

4. A refill seat according to claim 3, wherein said movable member (222) is provided with a first opening (24) at the end for connection to said driving member (23) and with a removably connected intermediate member (25) at said first opening (24);

a second opening (251) is arranged on the intermediate piece (25);

the driving part (23) is provided with a connecting rod (231), is positioned in the second opening (251), and is used for driving the moving part (222) and the fixed part (221) to move relatively by driving the connecting rod (231).

5. Refill seat according to claim 3, wherein the fixed element (221) is provided with at least one recess (2211) on the face facing the mobile element (222).

6. A refill seat according to claim 3, wherein said movable member (222) further comprises at least a first connecting member (2221), a second connecting member (2222) and a third connecting member (2223):

one end of the first connecting piece (2221) is connected to the driving piece (23), and the other end of the first connecting piece is connected to one end of the second connecting piece (2222) in an interference fit mode;

the other end of the second connection is connected to the end of the third connector (2223) in an interference fit manner.

7. Refill seat according to claim 1, wherein the drying assembly (3) comprises a ventilation duct (32), a fan (31) and a heat generating element (33);

the ventilating duct (32) is connected to the inner bottom surface of the main body (1) and comprises a first opening end (321) and a second opening end (322), wherein the first opening end (321) is connected with the fan (31), and the second opening end (322) is communicated with the air outlet (14);

the heating piece (33) is arranged on the side surface of the ventilation pipeline (32) and is used for heating the airflow in the ventilation pipeline (32);

the cleaning robot comprises a main body (1), a fan (31), a first opening end (321), a heating piece (33), a second opening end (322), an air outlet (14) and cleaning cloth, wherein the main body is used for conveying air flow to the cleaning robot through the first opening end (321), the heating piece (33) and the air outlet (322).

8. Refill seat according to claim 7, wherein said air outlet (14) comprises a plurality of air outlet holes, arranged side by side.

9. Refill seat according to claim 7, wherein the intermediate section of the ventilation duct (32) has a smaller diameter than the first (321) and second (322) open ends of the ventilation duct (32).

10. Refill seat according to claim 1, wherein the upper surface of the body (1) is bevelled;

the through hole (13) is located on the upper side of the inclined plane, and the air outlet (14) is located on the lower side of the inclined plane.