CN215820807U

CN215820807U - A sewage case and floor cleaning machine for floor cleaning machine

Info

Publication number: CN215820807U
Application number: CN202122409992.1U
Authority: CN
Inventors: 刘佳灵; 冯书周
Original assignee: Ningbo Kangfei Intelligent Technology Co ltd
Current assignee: Ningbo Kangfei Intelligent Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-15
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to a sewage tank for a floor washing machine and the floor washing machine, wherein in the sewage tank for the floor washing machine, a convex part is formed in the side wall of a tank body and extends into a containing cavity partially, a flow guide channel consistent with the extending direction of the convex part is formed in the convex part, and an inlet communicated with the flow guide channel is formed in the bottom of the tank body; on the other hand, integrate and handle and no longer leave the clearance between the wallboard that can make convex part and box to impurity such as dust particle of avoiding is accumulated here, greatly reduced the clearance degree of difficulty of sewage case, and it is very convenient to use.

Description

A sewage case and floor cleaning machine for floor cleaning machine

Technical Field

The utility model belongs to the field of household washing and cleaning, and particularly relates to a sewage tank for a floor washing machine and the floor washing machine.

Background

With the development of household cleaning technology, household cleaning equipment is gradually diversified, and more cleaning equipment is introduced into thousands of households. The traditional dust collector has certain use limitation, and the structural design and the sealing performance of parts of the traditional dust collector can only meet the use scene of a dry environment but cannot be used in a wet environment; when the motor is in a wet environment, sewage carried by dust collection airflow inevitably permeates into the motor under the action of negative pressure, and once water enters the motor through a gap of the shell at the motor, the motor is easy to lose efficacy and damage.

Obviously, the cleaning machine which only can absorb dust but cannot absorb water cannot meet the use requirements of consumers, so that some enterprises develop a floor washing machine which can be used in both dry and wet environments, and particularly, a dust collection barrel part of the floor washing machine is improved to a certain extent, so that dry and wet garbage is well separated, and water and air are prevented from flowing to a negative pressure source. For example, the chinese patent application No. CN202010568160.1 (publication No. CN111820816A) discloses a dry and wet sewage tank assembly for a water machine, wherein a sewage inlet pipe is disposed at the bottom of the sewage tank, the filtering assembly is disposed inside the sewage tank and sleeved on the sewage inlet pipe, the tank cover assembly is mounted on the sewage tank, the float assembly is mounted on the lower end surface of the tank cover assembly and disposed in the sewage tank, and the filtered hpa is mounted on the upper end surface of the tank cover assembly.

Although the design of the sewage tank realizes the dry and wet dual purposes of the cleaning machine in principle, and has certain storage capacity for sucked sewage and dust, the water inlet pipe of the water tank is arranged at a position close to the middle part of the water tank, so that a clean dead angle can be left in the circumferential direction of the water pipe, and especially when a floor washing machine cleans a ground with large dust, the sewage is wrapped by mud and enters the sewage tank, so that the cleaning is extremely difficult.

Therefore, further improvements to the sewage tank of the existing floor washing machine are required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem and provides a sewage tank for a floor washing machine, which effectively avoids dirt in a tank body from being accumulated, aiming at the current situation of the prior art.

The second technical problem to be solved by the present invention is to provide a floor washing machine having the above-mentioned sewage tank, aiming at the current situation of the prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a sump tank for a floor scrubber, comprising:

the box body is hollow to form a cavity, and the top of the cavity is provided with an opening;

the cover body is covered at the opening of the box body and is provided with an air outlet communicated with the downstream fan module of the scrubber;

the side wall of the box body extends inwards to form a convex part, the convex part extends along the length direction of the box body, a flow guide channel which is consistent with the extending direction of the convex part is formed in the convex part, and an inlet communicated with the flow guide channel is formed in the bottom of the box body.

The convex part forming the flow guide channel can be different in structural form, preferably, the convex part comprises a flow guide body and a connecting body, the flow guide body is cylindrical and vertically extends, the flow guide channel is formed in the flow guide body in a hollow mode, and the connecting body is located between the outer wall of the flow guide body and the inner wall of the accommodating cavity.

In order to ensure smooth fluid communication, the diameter of the flow guiding body is gradually increased from top to bottom, that is, the flow guiding channel is wide at the inlet at the lower end, and the flow of the fluid is not hindered.

In order to facilitate the installation of the mesh screen on the basis of ensuring no dust accumulation and further ensure the primary filtration of large solid particles, preferably, the distance between the top of the flow guide body and the inner edge of the open cavity of the containing cavity is greater than the distance between the top of the connecting body and the inner edge of the open cavity of the containing cavity, so that an embedded groove is formed between the top of the flow guide body and the side wall of the containing cavity, and the upper end surface of the connecting body is the bottom wall of the embedded groove; the box body is also internally provided with a mesh screen used for receiving solid particles, and the part of the mesh screen is hooked in the embedded groove.

In order to conveniently lift and pull the sewage tank and to facilitate the disassembly and the dumping of sewage, a handle is further arranged on the outer wall of the tank body and is arranged on one side, away from the convex part, of the tank body.

The cover body can be different structures, and in order to ensure sealing, preferably, the cover body comprises a top plate and a side edge extending downwards from the circumferential direction of the top plate, the side edge is embedded in the inner edge of the opening in the state that the cover body is covered on the opening, and a sealing ring is further arranged on the periphery of the side edge.

In order to ensure the separation effect of the airflow, preferably, the air outlet is eccentrically arranged on the top plate, and a grid for blocking dust particles is further arranged at the air outlet. The eccentric setting of air outlet like this, the air current can form efficient discharge after the little cyclone in the sewage case, and as few as possible carry dust particle.

In order to avoid the liquid droplets remaining on the lid body, specifically, the top plate is disposed obliquely downward from a side adjacent to the handle toward the convex portion side.

In order to further solve the second technical problem, the utility model adopts the following technical scheme: the floor washing machine with the sewage tank further comprises a floor brush module and a fan module, the sewage tank is located between the floor brush module and the fan module along an airflow flowing path, the inlet end of the sewage tank is the inlet of the box body, the outlet end of the sewage tank is the air outlet of the cover body, the inlet is communicated with the outlet end of the floor brush module, and the air outlet is communicated with the inlet end of the fan module.

In order to facilitate the disassembly of the sewage tank, the floor washing machine is provided with an installation cavity at the rear side of the machine body, and the sewage tank is detachably installed in the installation cavity through a fastener.

Compared with the prior art, the utility model has the advantages that: in the sewage tank for the floor washing machine, the side wall of the tank body is locally extended into the containing cavity to form a convex part, the convex part is provided with a flow guide channel which is consistent with the extending direction of the convex part, the bottom of the tank body is provided with an inlet communicated with the flow guide channel, and compared with the traditional water inlet pipe design, the fluid inlet mode has the advantages that on one hand, the pipe body and the side wall of the whole tank body are integrated and processed, the pipe body can be directly formed during manufacturing of the tank body, the wall surface of the tank body and the pipe body are supplemented, and the strength of the whole sewage tank is effectively improved; on the other hand, integrate and handle and no longer leave the clearance between the wallboard that can make convex part and box to impurity such as dust particle of avoiding is accumulated here, greatly reduced the clearance degree of difficulty of sewage case, and it is very convenient to use.

Drawings

FIG. 1 is a schematic view showing the overall structure of a waste water tank according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural view of a case according to an embodiment of the present invention (mesh screen is omitted);

FIG. 4 is a schematic view from another angle of FIG. 3;

FIG. 5 is an overall sectional view of the sewage tank of the embodiment of the present invention with the cover omitted;

FIG. 6 is a schematic view of the cover according to the embodiment of the present invention;

FIG. 7 is a general schematic view of a scrubber according to an embodiment of the utility model.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 7, a preferred embodiment of the present invention. In the present embodiment, the wastewater tank includes a tank body 25 and a cover body 21. The waste water tank mentioned here is suitable for use in a floor washing machine which also comprises a floor brush module 01 and a fan module 03, wherein the fan module 03 forms a source of negative pressure, and the fluid (a mixture of air flow, liquid and solids) cleaned by the floor brush module 01 flows through the waste water tank under the effect of the negative pressure, wherein the liquid and solid particles are separated and retained in the waste water tank, and the air flow continues to flow to the downstream fan module 03 and is finally discharged outside the body 05 of the floor washing machine. In order to realize the above process, along the airflow flowing path, the sewage tank is located between the scrubbing brush module 01 and the fan module 03, the inlet end of the sewage tank is the inlet 2b of the tank body 25, the outlet end of the sewage tank is the air outlet 2a of the cover body 21, the inlet 2b at the bottom of the tank body 25 is communicated with the outlet end of the scrubbing brush module 01 below the machine body 05, and the air outlet 2a is communicated with the inlet end of the fan module 03. Specifically, the floor washing machine has a mounting chamber 02 at the rear side of the machine body 05, and the sewage tank is detachably mounted in the mounting chamber 02 by a catch 04.

In this embodiment, the inside of the box 25 is hollow to form the cavity 20, the top of the cavity 20 has an opening 200, the cover 21 is covered on the opening 200 of the box 25 and has an air outlet 2a communicated with the downstream fan module of the scrubber, specifically, the cover 21 in this embodiment includes a top plate 211 and a side 212 extending downward from the circumference of the top plate 211, the side 212 is embedded in the inner edge of the opening 200 in a state that the cover 21 is covered on the opening 200, and the periphery of the side 212 is further provided with a sealing ring 213. The air outlet 2a is eccentrically formed on the top plate 211, and a grille 214 for blocking dust particles is further disposed at the air outlet 2 a. And in order to prevent the top plate 211 from having liquid drops, the top plate 211 is inclined downward from the side adjacent to the handle 24 to the side of the protrusion 22, so that even if liquid drops exist, the liquid drops flow into the cavity 20 along the top plate 211.

In order to realize the fluid transportation into the cavity 20, a convex portion 22 extends from a part of the sidewall of the box 25 into the cavity 20, the convex portion 22 extends along the length direction of the box 25, a flow guide channel 220 is formed on the convex portion 22, the flow guide channel 220 is consistent with the extending direction of the convex portion 22, and an inlet 2b communicated with the flow guide channel 220 is formed at the bottom of the box 25. The convex portion 22 may be in different design forms, in this embodiment, the convex portion 22 includes a flow guiding body 221 and a connecting body 222, the flow guiding body 221 is cylindrical and extends vertically, a flow guiding channel 220 is formed in the interior of the flow guiding body 221 in a hollow manner, the connecting body 222 is located between an outer wall of the flow guiding body 221 and an inner wall of the cavity 20, and the diameter of the flow guiding body 221 gradually increases from top to bottom.

After the mixed fluid enters the cavity 20, a multi-step separation is required, that is, besides that the airflow can directly flow out of the box 25, liquid and solid also need to be subjected to a separate separation step in the cavity 20, therefore, the distance between the top of the current conductor 221 and the inner edge of the opening 200 of the cavity 20 in this embodiment is greater than the distance between the top of the connection body 222 and the inner edge of the opening 200 of the cavity 20, so that a caulking groove 223 is formed between the top of the current conductor 221 and the side wall of the cavity 20, and the upper end surface of the connection body 222 is the bottom wall of the caulking groove 223; a mesh screen 23 for receiving solid particles is further provided in the box 25, the mesh screen 23 is partially hooked in the caulking groove 223, and since the flow guide channel 220 itself has a certain depth in the cavity 20, the mixed fluid is divided, wherein the air flow directly flows away from the upper air outlet 2a, and the heavier liquid and solid are intercepted by the screen 23, wherein the liquid flow can fall into the bottom of the cavity 20 through the pores on the screen 23, and the large solid particles are left on the screen 23.

In addition, in order to facilitate the disassembly of the waste water tank, a handle 24 is provided on the outer wall of the tank body 25, and the handle 24 is disposed on the side of the tank body 25 away from the convex portion 22.

The term "communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a conduit, a channel, a duct, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Also, directional terms, such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like, may be used in the description and claims to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are determined based on the example orientations shown in the figures. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. A sump tank for a floor scrubber, comprising:

the refrigerator comprises a box body (25), a cavity (20) is formed in the box body, and an opening (200) is formed in the top of the cavity (20);

the cover body (21) is covered at the opening (200) of the box body (25) and is provided with an air outlet (2a) communicated with a downstream fan module of the floor washing machine;

the method is characterized in that:

the side wall of the box body (25) extends partially into the accommodating cavity (20) to form a convex part (22), the convex part (22) extends along the length direction of the box body (25), a flow guide channel (220) which is consistent with the extending direction of the convex part (22) is formed in the convex part, and an inlet (2b) communicated with the flow guide channel (220) is formed in the bottom of the box body (25).

2. The wastewater tank of claim 1, further comprising: the convex part (22) comprises a guide body (221) and a connecting body (222), the guide body (221) is cylindrical and vertically extends, the guide channel (220) is formed in the guide body (221) in a hollow mode, and the connecting body (222) is located between the outer wall of the guide body (221) and the inner wall of the accommodating cavity (20).

3. The wastewater tank of claim 2, further comprising: the diameter of the flow guide body (221) is gradually increased from top to bottom.

4. The waste water tank as claimed in claim 3, wherein: the distance between the top of the guide body (221) and the inner edge of the opening (200) of the accommodating cavity (20) is larger than the distance between the top of the connecting body (222) and the inner edge of the opening (200) of the accommodating cavity (20), so that an embedded groove (223) is formed between the top of the guide body (221) and the side wall of the accommodating cavity (20), and the upper end face of the connecting body (222) is the bottom wall of the embedded groove (223); the box body (25) is also internally provided with a mesh screen (23) used for receiving solid particles, and the part of the mesh screen (23) is hooked in the caulking groove (223).

5. The waste water tank as claimed in claim 4, wherein: the outer wall of the box body (25) is further provided with a handle (24), and the handle (24) is arranged on one side, far away from the convex part (22), of the box body (25).

6. The waste water tank as claimed in claim 5, wherein: the lid (21) include roof (211) and by the side (212) of the circumference downwardly extending of roof (211) under the state of uncovered (200) is located in lid (21) lid, side (212) inlay is established the interior edge of uncovered (200), just sealing washer (213) have still been arranged to the periphery of side (212).

7. The waste water tank as claimed in claim 6, wherein: the air outlet (2a) is eccentrically arranged on the top plate (211), and a grating (214) used for blocking dust particles is further arranged at the air outlet (2 a).

8. The waste water tank as claimed in claim 7, wherein: the top plate (211) is arranged to be inclined downward from a side adjacent to the handle (24) to a side of the convex portion (22).

9. A floor washing machine having the sewage tank as claimed in any one of claims 1 to 8, characterized in that: the air purifier is characterized by further comprising a ground brush module (01) and a fan module (03), the sewage tank is located between the ground brush module (01) and the fan module (03) along an airflow flow path, the inlet end of the sewage tank is an inlet (2b) of the tank body (25), the outlet end of the sewage tank is an air outlet (2a) of the cover body (21), the inlet (2b) is communicated with the outlet end of the ground brush module (01), and the air outlet (2a) is communicated with the inlet end of the fan module (03).

10. The waste water tank as claimed in claim 9, wherein: the floor cleaning machine is provided with an installation cavity (02) on the rear side of the machine body (05), and the sewage tank is detachably installed in the installation cavity (02) through a fastener (04).