Water absorption scraper assembly and cleaning robot

Abstract

The water absorption scraper assembly comprises a water absorption scraper body and a bottom plate, a limiting rod piece is arranged on the bottom plate, the limiting rod piece comprises a limiting portion, an elastic piece is arranged on the water absorption scraper body, the limiting portion penetrates through the elastic piece and is limited on the elastic piece, the limiting rod piece is a ball head rod piece, and the limiting portion is arranged on the bottom plate. The ball head rod piece comprises a ball head and a rod part, the limiting part is the ball head, the ball head penetrates through the elastic piece and is limited on the elastic piece, a groove and a containing cavity which are communicated with each other are formed in the water absorption scraper body, the groove is located in the upper side of the containing cavity, the elastic piece is embedded in the groove, and the rod part is located in the containing cavity. A through hole is formed in the elastic piece, and the ball head penetrates through the through hole and is arranged in the containing cavity. The water absorption scraper body and the bottom plate can be conveniently and quickly disassembled and assembled, so that the water absorption scraper is convenient to clean, replace or maintain, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of cleaning robots, in particular to a squeegee assembly and a cleaning robot. Background Art

[0002] A cleaning robot is a robot that performs cleaning work, and a floor scrubber is one of these cleaning robots. A floor scrubber is a cleaning machine that is suitable for cleaning hard floors and sucking out wastewater at the same time, and taking the wastewater away from the site. A floor scrubber usually includes a bottom plate and a squeegee, and the squeegee is provided with universal wheels for easy movement of the squeegee. The squeegee in the prior art is fixed to the bottom plate, and the squeegee is not convenient to be removed from the bottom plate for cleaning, replacement or maintenance. At the same time, if the squeegee needs to be replaced, it must be replaced together with the bottom plate, which is costly. Utility Model Content

[0003] In order to solve at least one of the problems mentioned in the above background technology, the utility model provides a squeegee assembly and a cleaning robot. The squeegee can be quickly disassembled and assembled with a base plate, thereby facilitating cleaning, replacement or maintenance of the squeegee and reducing costs.

[0004] The specific technical solutions provided by the utility model are as follows:

[0005] In a first aspect, a squeegee assembly is provided, comprising a squeegee body and a bottom plate, wherein a limiting rod is provided on the bottom plate, wherein the limiting rod comprises a limiting portion, and an elastic member is provided on the squeegee body, wherein the limiting portion passes through the elastic member and is limited on the elastic member.

[0006] By means of the above technical scheme, the utility model sets a limiting rod and an elastic member, so that when the squeegee body and the base plate are installed, it is only necessary to insert the limiting portion of the limiting rod into the elastic member, and the limiting portion passes through the elastic member and is finally limited on the elastic member, so that the squeegee body and the base plate can be quickly installed; when the squeegee body and the base plate need to be disassembled, it is only necessary to forcefully pull the squeegee body off the base plate, and the limiting portion will be separated from the elastic member, so that the squeegee body and the base plate can be quickly disassembled easily, thereby facilitating the cleaning, replacement or maintenance of the squeegee body and reducing costs.

[0007] As a preferred embodiment of the above solution, the limiting rod is a ball head rod, the ball head rod includes a ball head and a rod portion, the limiting portion is the ball head, the ball head passes through the elastic member and is limited on the elastic member. According to the above solution, when the squeegee body is installed with the base plate, the ball head passes through the elastic member and is limited on the elastic member by the elasticity of the elastic member, and when the squeegee body is disassembled from the base plate, the ball head is detached from the elastic member, and the structure of the ball head makes it easier for the limiting rod to be connected to and separated from the elastic member.

[0008] As a preferred embodiment of the above scheme, the squeegee body is provided with a connected groove and a receiving cavity, the groove is located on the upper side of the receiving cavity, the elastic member is embedded in the groove, the elastic member is provided with a through hole, the ball head passes through the through hole and is arranged in the receiving cavity, and the diameter of the through hole is smaller than the diameter of the ball head. According to the above scheme, the ball head is elastically supported by the elastic member to open the inner wall of the through hole, then passes through the through hole and is finally arranged in the receiving cavity. The diameter of the through hole is smaller than the diameter of the ball head, which facilitates the ball head to be finally limited on the elastic member to achieve a limited connection. After the ball head passes through the through hole, the elastic member returns to its original state, and the inner wall clamping rod of the through hole further limits the ball head rod. When the squeegee body and the bottom plate need to be disassembled, the squeegee body is pulled off the bottom plate with force, and the elastic member moves downward relative to the ball head rod, is first supported by the ball head and then returns to its original state after being separated from the ball head, so that the squeegee body and the bottom plate can be easily and quickly disassembled.

[0009] As a preferred embodiment of the above solution, a pressure plate is provided on the elastic member, the pressure plate is pressed against the elastic member, the pressure plate is fixed on the top surface of the squeegee body, and the ball head rod passes through the pressure plate. According to the above solution, the elastic member is limited by providing the pressure plate, so that when the squeegee body and the bottom plate need to be disassembled, the elastic member can be detached from the ball head rod without detaching from the squeegee body.

[0010] As a preferred embodiment of the above solution, the bottom plate is provided with a stepped through hole, the rod portion is provided with a stepped portion and a threaded portion, the stepped portion is pressed against the inner wall of the stepped through hole, the threaded portion passes through the stepped through hole upward, a fixing nut is screwed on the threaded portion, and the fixing nut is pressed against the top surface of the bottom plate. According to the above solution, the ball head rod is fixed to the bottom plate by the cooperation between the stepped portion and the stepped through hole, and the cooperation between the threaded portion and the fixing nut, which not only facilitates the connection and disassembly between the bottom plate and the squeegee body, but also facilitates the removal of the ball head rod from the bottom plate for maintenance and replacement.

[0011] As a preferred embodiment of the above solution, the squeegee body is provided with a universal wheel assembly and a directional wheel, the universal wheel assembly is provided on both sides of the squeegee body, and the directional wheel is provided in the middle of the squeegee body. According to the above solution, the squeegee body moves by rolling the universal wheel assembly and the directional wheel, and the universal wheel assembly makes the movement of the squeegee body more flexible, while preventing the wheel from sliding laterally and scratching the ground.

[0012] As a preferred embodiment of the above scheme, the universal wheel assembly includes a mounting top plate, the squeegee body is provided with a clamping piece, the mounting top plate is clamped on the clamping piece, and the clamping piece is elastic. According to the above scheme, the universal wheel assembly is easy to be installed with the squeegee body through the cooperation of the mounting top plate and the clamping piece, and when disassembling, it is only necessary to remove the mounting top plate from the clamping piece, thereby facilitating the quick disassembly and installation of the universal wheel assembly and the squeegee body, and facilitating the cleaning, maintenance or replacement of the universal wheel assembly.

[0013] As a preferred embodiment of the above solution, the clamping member is a hook, and there are multiple hooks, and the mounting top plate is clamped on the hook. According to the above solution, the mounting top plate is clamped on multiple hooks, which improves the stability of the installation of the universal wheel assembly and the squeegee body.

[0014] As a preferred embodiment of the above solution, the universal wheel assembly further includes a universal wheel mounting seat and a universal wheel, the universal wheel mounting seat is arranged on the mounting top plate, an anti-winding rubber is provided at the connection between the universal wheel mounting seat and the mounting top plate, the universal wheel is arranged on the universal wheel mounting seat, and an anti-winding end cap is provided at the connection between the universal wheel and the universal wheel mounting seat. According to the above solution, the provision of the anti-winding rubber and the anti-winding end cap reduces the entanglement of hair or other impurities during the use of the universal wheel assembly, and avoids the inflexible rotation of the universal wheel due to the entanglement of impurities.

[0015] In a second aspect, a cleaning robot is provided, comprising the above-mentioned squeegee assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the exploded structure of the squeegee assembly of the utility model;

[0018] Figure 2 It is a partial cross-sectional structural schematic diagram of the squeegee assembly of the utility model;

[0019] Figure 3 It is a partial cross-sectional structural schematic diagram of the squeegee body and the universal wheel assembly of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the squeegee body of the utility model when viewed from above;

[0021] Figure 5It is a structural schematic diagram of the universal wheel assembly of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The following content is for reference Figures 1 to 5 .

[0024] Embodiment 1

[0025] The utility model provides a squeegee assembly, including a squeegee body 1 and a bottom plate 2, a limiting rod 3 is provided on the bottom plate 2, the limiting rod 3 includes a limiting portion 31, an elastic member 4 is provided on the squeegee body 1, the limiting portion 31 passes through the elastic member 4 and is limited on the elastic member 4. The limiting rod 3 is a ball head rod 3, the ball head rod 3 includes a ball head 31 and a rod 32, the limiting portion 31 is the ball head 31, the ball head 31 passes through the elastic member 4 and is limited on the elastic member 4, in this embodiment, the elastic member 4 is a mounting soft rubber 4, the ball head rod 3 is provided on both sides of the bottom plate 2, and the ball head rod 3 is a metal member, the elastic member 4 is provided on both sides of the squeegee body 1, and the elastic member 4 corresponds to the ball head rod 3 one by one. When the squeegee body 1 and the base plate 2 are installed, the ball head 31 passes through the installation soft glue 4 through the elasticity of the installation soft glue 4 and is limited on the installation soft glue 4. When the squeegee body 1 and the base plate 2 are disassembled, the ball head 31 is detached from the installation soft glue 4. The structure of the ball head 31 makes it easier for the limiting rod 3 to be connected and separated from the installation soft glue 4.

[0026] The squeegee body 1 is provided with a connected groove 12 and a accommodating cavity 11, wherein the groove 12 is located at the upper side of the accommodating cavity 11, the elastic member 4 is embedded in the groove 12, and the elastic member 4 is provided with a through hole 41, the ball head 31 passes through the through hole 41 and is arranged in the accommodating cavity 11, and the diameter of the through hole 41 is smaller than the diameter of the ball head 31. The ball head 31 is elastically supported by the elastic member 4 to open the inner wall of the through hole 41, then passes through the through hole 41 and is finally arranged in the accommodating cavity 11. The diameter of the through hole 41 is smaller than the diameter of the ball head 31, so that the ball head 31 is finally limited on the elastic member 4 to achieve a limited connection. After the ball head 31 passes through the through hole 41, the elastic member 4 returns to its original state, and the inner wall clamping rod 32 of the through hole 41 further limits the ball head rod 3. When the squeegee body 1 and the bottom plate 2 need to be disassembled, the squeegee body 1 is pulled off the bottom plate 2 with force, and the elastic member 4 moves downward relative to the ball head rod 3, is first supported by the ball head 31, and then returns to its original state after being separated from the ball head 31, so that the squeegee body 1 and the bottom plate 2 can be easily and quickly disassembled. The elastic member 4 is provided with a pressing plate 43, which is pressed against the elastic member 4, and the pressing plate 43 is fixed on the top surface of the squeegee body 1, and the ball head rod 3 passes through the pressing plate 43. The elastic member 4 is limited by providing the pressing plate 43 , so that when the squeegee body 1 and the bottom plate 2 need to be disassembled, the elastic member 4 can be detached from the ball head rod 3 without being detached from the squeegee body 1 .

[0027] The bottom plate 2 is provided with a stepped through hole 21, and the rod portion 32 is provided with a stepped portion 321 and a threaded portion 322, wherein the stepped portion 321 is pressed against the inner wall of the stepped through hole 21, and the threaded portion 322 passes through the stepped through hole 21 upwards, and a fixing nut (not shown) is screwed on the threaded portion 322, and the fixing nut is pressed against the top surface of the bottom plate 2. The ball head rod 3 is fixed to the bottom plate 2 by the cooperation between the stepped portion 321 and the stepped through hole 21, and the cooperation between the threaded portion 322 and the fixing nut, which not only facilitates the connection and disassembly between the bottom plate 2 and the squeegee body 1, but also facilitates the removal of the ball head rod 3 from the bottom plate 2 for maintenance and replacement.

[0028] The squeegee body 1 is provided with a universal wheel assembly 5 and a fixed wheel 6. The universal wheel assembly 5 is provided on both sides of the squeegee body 1, and the fixed wheel 6 is provided in the middle of the squeegee body 1. The squeegee body 1 is moved by the rolling of the universal wheel assembly 5 and the fixed wheel 6. The universal wheel assembly 5 makes the movement of the squeegee body 1 more flexible, and prevents the wheel from sliding laterally and scratching the ground. The universal wheel assembly 5 includes a mounting top plate 51. The squeegee body 1 is provided with a clamping piece 7. The mounting top plate 51 is clamped on the clamping piece 7, and the clamping piece 7 is elastic. The mounting top plate 51 and the clamping piece 7 cooperate to make the universal wheel assembly 5 easy to install with the squeegee body 1. When disassembling, it is only necessary to remove the mounting top plate 51 from the clamping piece 7, so as to facilitate the quick disassembly and installation of the universal wheel assembly 5 and the squeegee body 1, and to facilitate the cleaning, maintenance or replacement of the universal wheel assembly 5. The clamping member 7 is a hook 7, and there are multiple hooks 7. The mounting top plate 51 is clamped on the hook 7. In this embodiment, there are two hooks 7, which are plastic parts. The opposite sides of the mounting top plate 51 are respectively placed on the two hooks 7, so that the stability of the installation of the universal wheel assembly 5 and the squeegee body 1 is improved. The universal wheel assembly 5 also includes a universal wheel mounting seat 52 and a universal wheel 53. The universal wheel mounting seat 52 is arranged on the mounting top plate 51, and an anti-winding rubber 8 is provided at the connection between the universal wheel mounting seat 52 and the mounting top plate 51. The universal wheel 53 is arranged on the universal wheel mounting seat 52, and an anti-winding end cover 9 is provided at the connection between the universal wheel 53 and the universal wheel mounting seat 52. The provision of the anti-winding rubber 8 and the anti-winding end cover 9 reduces the entanglement of hair or other impurities during the use of the universal wheel assembly 5, and avoids the inflexible rotation of the universal wheel 53 due to the entanglement of impurities.

[0029] The utility model provides a limiting rod 3 and an elastic member 4, so that when the squeegee body 1 and the base plate 2 are installed, it is only necessary to insert the limiting portion 31 of the limiting rod 3 into the elastic member 4, and the limiting portion 31 passes through the elastic member 4 and is finally limited on the elastic member 4, so that the squeegee body 1 and the base plate 2 can be quickly installed. After the installation is completed, the top surface of the squeegee body 1 is tightly against the bottom surface of the base plate 2; when the squeegee body 1 and the base plate 2 need to be disassembled, it is only necessary to forcefully pull the squeegee body 1 off the base plate 2, and the limiting portion 31 is separated from the elastic member 4, so that the squeegee body 1 and the base plate 2 can be quickly disassembled easily, thereby facilitating the cleaning, replacement or maintenance of the squeegee body 1 and reducing costs.

[0030] Embodiment 2

[0031] The utility model provides a cleaning robot, comprising the squeegee assembly of the first embodiment.

[0032] In this embodiment, the cleaning robot is a handheld floor scrubber, the bottom plate is connected to the bottom of the floor scrubber body, the squeegee body is connected to the bottom plate, and when the floor scrubber is working, the universal wheel assembly and the directional wheels are rolled to achieve movement and perform floor cleaning.

[0033] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0034] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A squeegee assembly, comprising a squeegee body and a bottom plate, characterized in that: A limiting rod is provided on the bottom plate, and the limiting rod includes a limiting portion. An elastic member is provided on the squeegee body, and the limiting portion passes through the elastic member and is limited on the elastic member.

2. The squeegee assembly according to claim 1, characterized in that: The limiting rod is a ball head rod, which includes a ball head and a rod portion. The limiting portion is the ball head, and the ball head passes through the elastic member and is limited on the elastic member.

3. The squeegee assembly according to claim 2, characterized in that: The squeegee body is provided with a connected groove and a accommodating cavity, the groove is located on the upper side of the accommodating cavity, the elastic member is embedded in the groove, the elastic member is provided with a through hole, the ball head passes through the through hole and is arranged in the accommodating cavity.

4. The squeegee assembly according to claim 3, characterized in that: A pressure plate is provided on the elastic member, the pressure plate is pressed against the elastic member, the pressure plate is fixed on the top surface of the squeegee body, and the ball head rod passes through the pressure plate.

5. The squeegee assembly according to claim 2, characterized in that: The ball head rod also includes a rod portion, a stepped through hole is provided on the base plate, a stepped portion and a threaded portion are provided on the rod portion, the stepped portion is pressed against the inner wall of the stepped through hole, the threaded portion passes through the stepped through hole upward, a fixing nut is screwed on the threaded portion, and the fixing nut is pressed against the top surface of the base plate.

6. The squeegee assembly according to any one of claims 1 to 5, characterized in that: The squeegee body is provided with a universal wheel assembly and a directional wheel.

7. The squeegee assembly according to claim 6, characterized in that: The universal wheel assembly includes a mounting top plate, and a clamping piece is provided on the squeegee body, and the mounting top plate is clamped on the clamping piece.

8. The squeegee assembly according to claim 7, characterized in that: The clamping member is a clamping hook, and a plurality of the clamping hooks are provided, and the mounting top plate is clamped on the clamping hooks.

9. The squeegee assembly according to claim 8, characterized in that: The universal wheel assembly also includes a universal wheel mounting seat and a universal wheel. The universal wheel mounting seat is arranged on the mounting top plate, and an anti-winding rubber is provided at the connection between the universal wheel mounting seat and the mounting top plate. The universal wheel is arranged on the universal wheel mounting seat, and an anti-winding end cover is provided at the connection between the universal wheel and the universal wheel mounting seat.

10. A cleaning robot, characterized in that: It comprises a squeegee assembly as described in any one of claims 1-9.

Images