CN220494884U - Overflow return air box and cleaning device with same - Google Patents

Abstract

The utility model discloses an overflow return air box and a cleaning device with the same, wherein the overflow return air box comprises an overflow box and a backflow prevention piece, the overflow box is arranged at the overflow port of a container and is divided into a backflow cavity and a drainage cavity, the backflow cavity is communicated with the overflow port, the top of the overflow box is provided with a return air port communicated with the backflow cavity, the backflow cavity and the drainage cavity are provided with the overflow port, the backflow prevention piece is arranged in the overflow port, and the backflow prevention piece controls liquid to flow from the backflow cavity to the drainage cavity unidirectionally through the overflow port; the cleaning device comprises a cleaning tank, an overflow port is arranged on the side wall of the cleaning tank, and the overflow return air box is arranged at the overflow port. According to the utility model, the overflow box is divided into the reflux cavity and the drainage cavity which are communicated with each other, and the reflux preventing piece is arranged at the overflow port between the reflux cavity and the drainage cavity, so that liquid is controlled to flow from the reflux cavity to the drainage cavity unidirectionally through the reflux preventing piece, sewage can be effectively prevented from flowing back to the reflux cavity, and the normal play of the function of the overflow box is ensured.

Description

Overflow return air box and cleaning device with same

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to an overflow return air box and a cleaning device with the overflow return air box.

Background

With the continuous improvement of the life quality of people, a cleaning machine (such as a vegetable washer and the like) gradually becomes a common household appliance, can wash bacteria, destroy chemical bonds of pesticides and remove most of heavy metals on the surface, is suitable for cleaning vegetables, melons, fruits, meat and the like, can save manpower and material resources to a large extent, and can achieve a better cleaning effect.

At present, most of common cleaning machines have bubble cleaning function, namely the cleaning machine is blown in air at the bottom of a water tank, and water is matched to form bubbles, so that objects to be cleaned are in a rolling state, sediment and surface pesticide residues are removed in a bubble water bath mode, gas in a water tank needs to be discharged in time after the objects to be cleaned are rolled, excessive air pressure in the water tank is avoided, and in order to prevent water in the water tank from splashing to influence the drying and cleaning of the outer surface of a water tank cover plate, an overflow box is usually arranged above the side of the water tank, the overflow box is connected with a drain pipe to discharge overflow water, although the overflow box is provided with overflow and return air functions, the drain pipe is also connected with the water tank to discharge cleaning sewage in the water tank, and when the drain pipe is used for discharging water, the sewage possibly flows back to the overflow box, so that more sewage remains in the overflow box, and the normal play of the function of the overflow box is influenced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an overflow air return box and a cleaning device with the overflow air return box.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the overflow return air box is arranged in a container, the container is provided with an overflow port and comprises an overflow box and a backflow preventing piece, the overflow box is arranged at the position of the overflow port of the container, the overflow box is divided into a backflow cavity and a drainage cavity, the backflow cavity is communicated with the overflow port, the top of the overflow box is provided with a return air port communicated with the backflow cavity, the overflow port is arranged between the backflow cavity and the drainage cavity, the backflow preventing piece is arranged in the overflow port, and the backflow preventing piece controls liquid to flow unidirectionally from the backflow cavity to the drainage cavity through the overflow port.

Further, a left guide plate and a right guide plate are arranged in the overflow box and extend downwards from top to bottom, the left guide plate, the right guide plate and the inner wall of the overflow box form a backflow cavity, the backflow cavity is in a funnel shape with a large top and a small bottom, the top of the backflow cavity is provided with an air return opening, the right guide plate and the inner wall of the overflow box form a drainage cavity, and the overflow opening is arranged in the right guide plate.

Further, the right guide plate extends into the backflow cavity to form a right buffer portion, the right buffer portion is located above the overflow port, the left guide plate extends into the backflow cavity to form a left buffer portion, the left buffer portion is located above the right buffer portion, and the left buffer portion and the right buffer portion are both obliquely arranged downwards.

Further, the bottom surface of the drainage cavity is lower than the bottom surface of the backflow cavity, a water outlet and a water inlet which are communicated with the drainage cavity are formed in the bottom of the overflow box, and the water outlet is located below the overflow port.

Further, a partition plate is arranged in the drainage cavity, the partition plate divides the drainage cavity into an inverted U shape, and the water outlet and the water inlet are respectively positioned at the left side and the right side of the partition plate.

Further, a connecting part extending towards the drainage cavity is arranged above the overflow port, the backflow preventing part is made of rubber plastic materials, and the backflow preventing part is arranged on the connecting part and seals the overflow port under the action of self elasticity.

Further, the connecting portion is T-shaped, the anti-backflow piece is provided with a bayonet, the anti-backflow piece is installed in the connecting portion through the bayonet, the edge of the overflow port is provided with a protruding portion surrounding the overflow port, and the anti-backflow piece is attached to the protruding portion.

Further, the overflow box comprises a box body and a box cover, wherein the box body is internally provided with a backflow cavity, a drainage cavity and an air return port, connecting columns are arranged in the backflow cavity and the drainage cavity, the box cover is locked on the connecting columns so that the backflow cavity and the drainage cavity form a closed space, the box cover is provided with overflow holes corresponding to the overflow ports, and the overflow holes are communicated with the backflow cavity.

Further, a water level detection channel is further arranged in the box body, the upper end of the water level detection channel is communicated with the backflow cavity, and a water level sensor is arranged in the water level detection channel.

The cleaning device comprises a cleaning tank, wherein an overflow port is arranged on the side wall of the cleaning tank, and the overflow return air box is arranged at the overflow port.

After the technical scheme is adopted, compared with the background technology, the utility model has the following advantages:

1. according to the utility model, the overflow box is divided into the reflux cavity and the drainage cavity which are communicated with each other, and the reflux preventing piece is arranged at the overflow port between the reflux cavity and the drainage cavity, so that liquid is controlled to flow from the reflux cavity to the drainage cavity unidirectionally through the reflux preventing piece, sewage can be effectively prevented from flowing back to the reflux cavity, and the normal play of the function of the overflow box is ensured.

2. The anti-reflux member is fixed on the side edge of the overflow port in a clamping manner, and seals the overflow port by means of elasticity of the anti-reflux member, so that the anti-reflux member has the advantages of simple overall structure, convenience in installation and use and low cost, and meanwhile, the edge of the overflow port is provided with the bulge part surrounding the anti-reflux member, and the anti-reflux member is abutted against the bulge part, so that the sealing effect of the anti-reflux member on the overflow port can be improved, and sewage can be further prevented from flowing back to the reflux cavity.

3. According to the utility model, the baffle plate in the water drainage cavity divides the water drainage cavity into the reverse U shape, so that the water outlet and the water inlet of the overflow box are respectively positioned at the left side and the right side of the baffle plate, and thus sewage can be effectively prevented from accumulating at the water outlet, and the normal use of the overflow box is influenced.

4. The reflux cavity is in a funnel shape with a large upper part and a small lower part, and the left buffer part and the right buffer part which are arranged in an upper layer and a lower layer are arranged in the reflux cavity, so that the impact force of reflux water can be effectively relieved, and the normal use of the reflux preventing piece is ensured.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is an exploded view of the first embodiment;

FIG. 3 is a schematic view of a structure of the case;

FIG. 4 is a second schematic diagram of the structure of the case;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a schematic perspective view of a second embodiment;

fig. 7 is an exploded view (hidden housing) of the second embodiment.

Reference numerals illustrate:

overflow box 100, return chamber 110, drain chamber 120, partition 121, return air inlet 130, left baffle 140, left buffer 141, right baffle 150, overflow 151, right buffer 152, connection 153, protrusion 154, partition 155, drain 160, water inlet 170, box 180, connection column 181, water level detection channel 182, water level sensor 183, box cover 190, overflow hole 191;

backflow preventer 200, bayonet 210;

a cleaning tank 300, and an overflow port 310.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, it should be noted that:

the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not denote or imply that the apparatus or elements of the present utility model must have a particular orientation, and thus should not be construed as limiting the utility model.

When an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the utility model will be understood by those skilled in the art according to the specific circumstances.

Example 1

As shown in fig. 1 to 5, the present embodiment discloses an overflow return air box installed in a container to provide a channel for exhausting air to overflow outwards when the container is in a closed state, the container has an overflow port, the overflow return air box includes an overflow box 100 and a backflow preventing member 200, the overflow box 100 is installed at the overflow port of the container, the overflow box 100 is divided into a return air chamber 110 and a drainage chamber 120, the return air chamber 110 is communicated with the overflow port, the top of the overflow box 100 is provided with a return air port 130 communicated with the return air chamber 110, in the present embodiment, the return air chamber 110 is in a funnel shape with a big end down, the top of the return air chamber 110 is provided with a return air port 130, and when the container is filled with air, the air can enter the overflow return air box through the overflow port and then be discharged through the return air port 130 at the top of the overflow box 100. An overflow port 151 is arranged between the backflow cavity 110 and the drainage cavity 120, an anti-backflow member 200 is arranged in the overflow port 151, and the anti-backflow member 200 controls liquid to flow from the backflow cavity 110 to the drainage cavity 120 unidirectionally through the overflow port 151, so that sewage can be effectively prevented from flowing back to the backflow cavity 110, and normal play of functions of the overflow box is ensured.

The overflow box is internally provided with a left guide plate 140 and a right guide plate 150, the left guide plate 140 and the right guide plate 150 are arranged by extending from top to bottom, the left guide plate 140, the right guide plate 150 and the inner wall of the overflow box 100 form a reflux cavity 110, the right guide plate 150 and the inner wall of the overflow box 100 form a water draining cavity 120, an overflow port 151 is arranged in the right guide plate 150, meanwhile, a separation part 155 is arranged in the overflow port 151, and the separation part 155 separates the overflow port 151 into two halves so as to slow down the flow rate of reflux liquid. In the present embodiment, the bottom surface of the drain chamber 120 is lower than the bottom surface of the return chamber 110, and the bottom of the overflow box 100 is provided with a drain 160 and a water inlet 170 communicating with the drain chamber 120, the drain 160 being located laterally below the overflow 151.

The right baffle 150 extends into the reflow chamber 110 to form a right buffer portion 152, the right buffer portion 152 is located above the overflow port 151, the left baffle 140 extends into the reflow chamber 110 to form a left buffer portion 141, the left buffer portion 141 is located above the right buffer portion 152, and the left buffer portion 141 and the right buffer portion 152 are both obliquely arranged downwards. The backflow cavity 110 with the upper large and lower small funnels, the left buffer part 141 and the right buffer part 152 which are arranged in the upper and lower layers can effectively slow down the impact force of backflow water, and ensure the normal use of the backflow preventing member 200.

In this embodiment, the partition plate 121 is disposed in the drainage cavity 120, the partition plate 121 divides the drainage cavity 120 into an inverted U shape, the drainage outlet 160 and the water inlet 170 are respectively located at the left side and the right side of the partition plate 121, and the inverted U-shaped drainage cavity 120 can prevent sewage from passing from the water inlet 170 to the drainage outlet 160 when the water pump of the container is not working, thereby effectively preventing sewage from accumulating at the drainage outlet 160 and affecting the normal use of the overflow box 100.

The upper part of the overflow 151 is provided with a connecting part 153 extending towards the drainage cavity 120, the backflow preventing member 200 is made of rubber and plastic materials, and the backflow preventing member 200 is arranged on the connecting part 153 and seals the overflow 151 under the action of self elasticity. In this embodiment, the connecting portion 153 is T-shaped, the anti-backflow member 200 is provided with a bayonet 210, the anti-backflow member 200 is installed in the connecting portion 153 through the bayonet 210, the edge of the overflow port 151 is provided with a protrusion 154 surrounding the anti-backflow member 200, the anti-backflow member 200 is attached to the protrusion 154, the protrusion 154 can improve the blocking effect of the anti-backflow member 200 on the overflow port 151, and sewage can be further prevented from flowing back to the backflow cavity 110.

The overflow box 100 comprises a box body 180 and a box cover 190, wherein a backflow cavity 110, a drainage cavity 120 and an air return port 130 are arranged in the box body 180, connecting columns 181 are arranged in the backflow cavity 110 and the drainage cavity 120, the box cover 190 is locked on the connecting columns 181, so that the backflow cavity 110 and the drainage cavity 120 form a closed space, an overflow hole 191 corresponding to the overflow port is arranged on the box cover 190, and the overflow hole 191 is communicated with the backflow cavity 110.

In this embodiment, the overflow air return box is further integrated with a water level detection function, specifically, a water level detection channel 182 is further provided in the box body 180, the upper end of the water level detection channel 182 is communicated with the backflow cavity 110, a water level sensor 183 is provided in the water level detection channel 182, and the water level of the backflow cavity 110 can be detected by the water level sensor 183, so that the cleaning water level in the container can be detected in real time.

Example two

Referring to fig. 1 to 3, fig. 6 and fig. 7, the present embodiment discloses a cleaning device, which includes a cleaning tank 300, wherein an overflow port 310 is provided on a sidewall of the cleaning tank 300, and an overflow return air box in the first embodiment is installed at the overflow port 310.

The overflow water enters the backflow cavity 110 from the overflow port 310 of the cleaning tank 300 through the overflow holes 191, passes through the left guide plate 140, the right guide plate 150, the left buffer portion 141 and the right buffer portion 152, and reaches the bottom of the backflow cavity 110, at this time, the backflow preventing member 200 deflects towards one side of the drainage cavity 120 under the pressure of the overflow water, so that the overflow port 151 is opened to allow the overflow water to pass through, and finally is discharged from the drainage port 160.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (10)

1. An overflow return air box is installed in a container, and the container is provided with an overflow port, and is characterized in that: the overflow box is arranged at the overflow port of the container, the overflow box is divided into a backflow cavity and a drainage cavity, the backflow cavity is communicated with the overflow port, an air return port communicated with the backflow cavity is arranged at the top of the overflow box, an overflow port is arranged between the backflow cavity and the drainage cavity, the backflow prevention piece is arranged in the overflow port, and liquid is controlled to flow unidirectionally from the backflow cavity to the drainage cavity through the overflow port.

2. An overflow return air box as claimed in claim 1 wherein: the overflow box is internally provided with a left guide plate and a right guide plate, the left guide plate and the right guide plate are arranged in a downward extending manner, the left guide plate, the right guide plate and the inner wall of the overflow box form a reflux cavity, the reflux cavity is in a funnel shape with a big top and a small bottom, the top of the reflux cavity is provided with an air return opening, the right guide plate and the inner wall of the overflow box form a drainage cavity, and the right guide plate is internally provided with an overflow opening.

3. An overflow return air box as claimed in claim 2 wherein: the right guide plate extends into the backflow cavity to form a right buffer part, the right buffer part is located above the overflow port, the left guide plate extends into the backflow cavity to form a left buffer part, the left buffer part is located above the right buffer part, and the left buffer part and the right buffer part are both obliquely arranged downwards.

4. An overflow return air box as claimed in claim 1 wherein: the bottom surface of the drainage cavity is lower than the bottom surface of the backflow cavity, a water outlet and a water inlet which are communicated with the drainage cavity are arranged at the bottom of the overflow box, and the water outlet is positioned below the overflow port.

5. An overflow return air box as claimed in claim 4 wherein: the drainage cavity is internally provided with a partition board, the partition board divides the drainage cavity into an inverted U shape, and the water outlet and the water inlet are respectively positioned at the left side and the right side of the partition board.

6. An overflow return air box as claimed in claim 1 wherein: the overflow port is characterized in that a connecting part extending towards the drainage cavity is arranged above the overflow port, the backflow preventing part is made of rubber plastic materials, and the backflow preventing part is arranged on the connecting part and seals the overflow port under the action of self elasticity.

7. An overflow return air box as claimed in claim 6 wherein: the connecting portion is T-shaped, be provided with the bayonet socket on the anti-return spare, the anti-return spare pass through the bayonet socket install in the connecting portion, the edge of gap is provided with the bulge that encircles it, the anti-return spare is leaned on the bulge.

8. An overflow return air box as claimed in claim 1 wherein: the overflow box comprises a box body and a box cover, wherein the box body is internally provided with a backflow cavity, a drainage cavity and an air return opening, connecting columns are arranged in the backflow cavity and the drainage cavity, the box cover is locked on the connecting columns so that the backflow cavity and the drainage cavity form a closed space, the box cover is provided with overflow holes corresponding to the overflow openings, and the overflow holes are communicated with the backflow cavity.

9. An overflow return air box as claimed in claim 8 wherein: the box body is also provided with a water level detection channel, the upper end of the water level detection channel is communicated with the backflow cavity, and a water level sensor is arranged in the water level detection channel.

10. The utility model provides a belt cleaning device, includes the washing tank, the lateral wall of washing tank is provided with overflow mouth, its characterized in that: an overflow return air box as claimed in any one of claims 1 to 9 is arranged at the overflow port.