CN216876265U

CN216876265U - Gas-liquid separation device and recycling box

Info

Publication number: CN216876265U
Application number: CN202123420425.2U
Authority: CN
Inventors: 钱忠; 邓学龙; 孙梦醒
Original assignee: Suzhou Simple Youwei Technology Co Ltd
Current assignee: Suzhou Simple Youwei Technology Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-05
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a gas-liquid separation device and a recovery box, wherein the gas-liquid separation device is arranged at a gas inlet outlet of a gas inlet channel and is used for carrying out gas-liquid separation on fluid, and the gas-liquid separation device comprises a cover body and a gas-liquid separation part. The housing defines a buffer cavity facing the air intake outlet. The gas-liquid separation part is arranged on the cover body, extends along the horizontal direction basically, and comprises a plurality of guide plates arranged at intervals. Wherein, the guide plate extends along the direction of keeping away from the cover body, and the venthole is injectd between the adjacent guide plate. The gas-liquid separation device is provided with the horizontally extending guide plates, and the social free air outlet holes are formed between the guide plates, so that the flow path of fluid can be effectively prolonged, and the separation effect is improved.

Description

Gas-liquid separation device and recycling box

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a gas-liquid separation device and a recovery box.

Background

With the improvement of living standard, people have higher and higher requirements on cleaning the ground. Wet cleaning devices such as floor washers, which can pump liquid soils, are becoming of increasing interest. The floor cleaning machine can collect dirt and can wet and clean the surface to be cleaned, and is convenient and quick. Gas-liquid separation devices play a very important role in wet cleaning equipment. If the separation effect of the gas-liquid separation device is poor, most of water vapor is sucked into the pipeline by the dry-wet motor and discharged from the pipeline, so that the equipment is influenced, and poor user experience is caused.

Therefore, it is urgently required to develop a relatively good gas-liquid separation device, particularly a gas-liquid separation device provided in a recovery tank having a relatively low height.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned disadvantages of the prior art, the present invention provides a gas-liquid separation apparatus, wherein a gas-liquid separation portion of the apparatus is capable of guiding a gas flow in a horizontal direction to increase the gas-liquid separation time and increase the separation effect.

In one aspect, the present invention provides a gas-liquid separation device disposed at a gas inlet port of a gas inlet passage for performing gas-liquid separation of fluid,

a housing defining a buffer cavity facing the inlet air outlet;

a gas-liquid separation part arranged on the cover body, the gas-liquid separation part extends along the horizontal direction basically, the gas-liquid separation part comprises a plurality of guide plates arranged at intervals,

the guide plates extend along the direction far away from the cover body, and air outlet holes are defined between every two adjacent guide plates.

Optionally, a guide groove is arranged at the guide plate, and an opening of the guide groove faces downwards and is in fluid communication with the buffer cavity of the cover body.

Optionally, the buffer cavity faces the air inlet and at least part of the buffer cavity of the cover body is higher than the gas-liquid separation part in the vertical direction.

Optionally, the gas-liquid separation portion includes a top plate and a bottom plate, a fluid passage is defined between the top plate and the bottom plate, and the fluid passage is in fluid communication with the buffer cavity and is used for guiding the gas flow discharged from the buffer cavity to flow along the extending direction of the gas-liquid separation portion.

Optionally, the top plate is disposed between the cover and the guide plate.

Optionally, the bottom plate comprises a plurality of spaced apart troughs for collecting and directing the flow of liquid.

Optionally, the gas-liquid separation portion is disposed at least partially around the intake air outlet.

Optionally, the buffer cavity is used for guiding the fluid discharged from the gas inlet and outlet to flow along the extending direction of the gas-liquid separation part.

Optionally, the air inlet outlet is located between the floor and the roof in a vertical direction.

On the other hand, the utility model also provides a recycling box which comprises an air inlet channel and an air outlet channel, wherein the air inlet outlet of the air inlet channel is provided with the gas-liquid separation device.

The utility model provides a gas-liquid separation device and a recovery box, wherein the gas-liquid separation device is arranged at a gas inlet outlet of a gas inlet channel and is used for carrying out gas-liquid separation on fluid, and the gas-liquid separation device comprises a cover body and a gas-liquid separation part. The housing defines a buffer cavity facing the air intake outlet. The gas-liquid separation part is arranged on the cover body, extends along the horizontal direction basically, and comprises a plurality of guide plates arranged at intervals. Wherein, the guide plate extends along the direction of keeping away from the cover body, and the venthole is injectd between the adjacent guide plate. The gas-liquid separation device is provided with the horizontally extending guide plates, and the social free air outlet holes are formed between the guide plates, so that the flow path of fluid can be effectively prolonged, and the separation effect is improved.

Drawings

FIG. 1 is a schematic view of a surface cleaning apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a recycling bin of the prior art;

FIG. 3 is a schematic diagram of an embodiment of a recycling bin;

FIG. 4 is a schematic structural view of the recycling bin shown in FIG. 3 with the cover body removed and the pressure equalizing plate exposed;

FIG. 5 is an exploded view of the recovery tank shown in FIG. 3;

FIG. 6 is a schematic view of the structure of the recovery tank with the float in an open state and with the air flowing through;

FIG. 7 is an enlarged view of the structure in the area E in FIG. 6;

FIG. 8 is a schematic structural view of the float in the recycling bin in a closed state;

FIG. 9 is an enlarged view of the structure of the area F in FIG. 8;

FIG. 10 is a cross-sectional view taken along A-A in FIG. 3;

FIG. 11 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 12 is an enlarged view of the region G shown in FIG. 11;

FIG. 13 is a cross-sectional view taken along C-C of FIG. 3;

FIG. 14 is an enlarged view of the region H in FIG. 13;

FIG. 15 is a schematic diagram of a pressure equalizer in one embodiment;

FIG. 16 is a schematic structural view of a pressure equalizing plate at another angle;

FIG. 17 is an enlarged view of the structure of the area I shown in FIG. 16;

FIG. 18 is a schematic structural view of a gas-liquid separating apparatus according to an embodiment;

FIG. 19 is a schematic view showing the structure of the gas-liquid separator at another angle;

FIG. 20 is a schematic view showing the structure of a gas-liquid separating apparatus at a still further angle;

FIG. 21 is a schematic view of the structure of a gas-liquid separating apparatus in another embodiment;

fig. 22 is a cross-sectional view taken along line D-D of fig. 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that, if directional indication is referred to in the embodiment of the present invention, the directional indication is only used for explaining a relative positional relationship, a motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate 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 addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

The application discloses a surface cleaning apparatus 100. the surface cleaning apparatus 100 may be a hand-held cleaning apparatus, an upright cleaning apparatus, a horizontal cleaning apparatus, or an intelligent self-propelled cleaning apparatus. The direction of the arrows in the figure is the direction of the gas flow. Fig. 1 is a schematic structural diagram of a surface cleaning apparatus 100 according to an embodiment of the utility model. In the present embodiment, the structure and function of a horizontal type cleaning apparatus including a cleaning liquid supply system and a stain recovery system will be described in detail by taking the horizontal type cleaning apparatus as an example. The cleaning liquid supply system is used to supply cleaning liquid to the surface to be cleaned or to the wiping element. The soil recovery system includes a suction nozzle, a suction assembly for generating a suction airstream along a suction line, and a recovery tank 10 in fluid communication with the suction line. The suction line is in fluid communication with the cleaning head (nozzle) via a hose. The suction assembly includes a wet and dry motor, which typically includes a main air duct and a cooling air duct. The air inlet of the main air duct of the dry-wet motor is communicated with the fluid of the suction pipeline. The cooling air duct is used for cooling the internal structure of the motor.

Fig. 2 is a schematic structural diagram of a recycling bin in the prior art. Referring to fig. 2, the recovery tank 10 is a prior art recovery tank 10, and the main body 1 includes a lower wall, a rear wall, and an arc-shaped front wall extending between the lower wall and the rear wall. The lower wall and the rear wall are substantially perpendicular. The lower wall, the rear wall and the curved front wall define a liquid storage space, and at least a portion of the curved front wall forms a portion of an outer surface of the horizontal cleaning device. In the embodiment shown, substantially all of the curved front wall forms the outer surface of the horizontal cleaning apparatus. The recovery tank 10 further includes an opening defined by curved front and rear walls, the opening being provided with a lid for opening/closing the opening. The lower wall and the cover are substantially parallel to each other. It comprises a main body 1 defining a storage space for storing dirt. The intake passage 12 serves to guide dirt outside the storage space into the storage space through the intake passage 12. The air outlet channel 14 is used for guiding the air flow in the storage space to flow out of the storage space from the air outlet channel 14. By adopting the recycling box 10, the phenomenon of water turning (namely, a large amount of water splash is generated) can occur in the working process, and the use experience is influenced.

Referring to fig. 3-14, fig. 3 is a schematic structural view of a recycling bin in an embodiment. FIG. 4 is a schematic view of the recycling bin shown in FIG. 3 with the cover removed and the pressure equalizing plate exposed. Figure 5 is an exploded view of the recovery tank shown in figure 3. Fig. 6 is a schematic structural view showing the structure that the air flow is circulated when the float in the recovery box is in an open state. Fig. 7 is an enlarged view of a structure of an area E in fig. 6. Fig. 8 is a schematic structural view of the closed state of the float in the recovery tank. Fig. 9 is an enlarged view of the structure of the region F in fig. 8. Fig. 10 is a cross-sectional view taken along a-a in fig. 3. Fig. 11 is a sectional view taken along B-B in fig. 3. Fig. 12 is an enlarged view of the structure of the region G shown in fig. 11. Fig. 13 is a cross-sectional view taken along C-C in fig. 3. Fig. 14 is an enlarged view of the structure of the region H shown in fig. 13. In fig. 3, a recycling bin 10 according to an embodiment of the present application is shown, wherein a main body 1 of the recycling bin 10 is in a semi-cylindrical shape, and the main body 1 defines a storage space 11 for storing dirt. The recycling bin 10 further comprises an air inlet channel 12 for guiding dirt outside the storage space 11 into the storage space 11 through the air inlet channel 12. At least a part of the air intake passage 12 may be disposed inside the storage space 11, or may be disposed outside the storage space 11, and is not limited herein and may be adjusted according to the shape of the recycling bin 10. The air outlet channel 14 is used for guiding the air flow in the storage space 11 to flow out of the storage space 11 from the air outlet channel 14. At least a part of the air outlet channel 14 may be disposed outside the storage space 11, or may be disposed outside the storage space 11, and is not limited herein and may be adjusted according to the shape of the recycling bin 10. In the embodiment shown in fig. 6, the inlet channel 12 and the outlet channel 14 are two substantially parallel pipes, both disposed in the storage space 11 at an intermediate position of the storage space 11.

Referring to fig. 6 to 9, in order to prevent or possibly avoid water splash in the recycling bin 10 during operation, a pressure equalizing chamber 2 is provided between the inlet channel 12 and the outlet channel 14, the pressure equalizing chamber 2 includes an air inlet and an air outlet 23, the air outlet 23 is in fluid communication with the outlet channel 14, the air inlet includes a plurality of through holes 24, the plurality of through holes 24 are arranged at intervals along a horizontal direction, the horizontal direction is not strictly in the same horizontal plane but is basically in the same horizontal plane, because of the specific structure, the height of a part of the through holes 24 is slightly higher than that of another part of the air through holes 24, or the plurality of through holes 24 are slightly inclined as a whole, and the structures which are not described in detail are all within the protection scope of the present application. The through hole 24 is in fluid communication with the storage space 11. The purpose of setting up the pressure equalizing chamber 2 is that the surface that makes the liquid in the collection box 10 receive is the same basically, can not lead to splash all around because of the upset of air current, can effectively improve the volume utilization ratio of collection box 10 like this. Because the air pressure near the air outlet channel 14 is the lowest when the pressure equalizing chamber 2 is not provided, the generated suction force is the largest, and the pressure in the recovery tank 10 is unevenly distributed, so that the liquid in the recovery tank 10 is disturbed, and water splash is generated.

With continued reference to fig. 6-9, the recovery tank 10 also includes a float 16, the float 16 including an open position and a closed position, in which a portion of the float 16 extends into the equalizing chamber 2 for shutting off the flow of air between the air inlet and the air outlet 23. In one embodiment, the float 16 is disposed at the outlet passage 14 and moves with the liquid level in the recovery tank 10, and when the liquid level rises to a certain extent, a part of the float 16 enters the equalizing chamber 2, and the passage between the gas flow inlet and the gas flow outlet 23 is cut off.

Referring to fig. 5 to 9, in one embodiment, the top end of the recycling bin 10 is provided with an opening, the opening is provided with a cover 25 for sealing the opening, the inner side of the cover 25 is provided with a pressure equalizing plate 26, and the pressure equalizing plate 26 and the cover 25 define a pressure equalizing chamber 2 therebetween. The periphery of the pressure equalizing plate 26 is hermetically connected with the cover body 25. The pressure equalizing chamber 2 can move together with the cover 25. In other embodiments, the recycling bin 10 may not have the cover 25, and the inlet passage 12 and the outlet passage 14 may be detachably mounted on the body of the recycling bin 10, and the body may be separately provided with a drain hole. The pressure equalizing chamber 2 is defined by the relative roof that sets up and pressure equalizing plate 26 and forms, has seted up a plurality of through-holes 24 on the pressure equalizing plate 26, and the periphery of through-hole 24 outwards extends and forms annular bulge 28, and annular bulge 28 is higher than the outer wall 27 of pressure equalizing plate 26. The top wall may be a part of the main body 1 of the recovery tank 10, or may be a separate structure from the main body 1. The annular projection 28 functions to prevent liquid droplets formed on the outer wall 27 of the pressure equalizing plate 26 from being sucked into the through-hole 24.

Referring to fig. 15-17, fig. 15 is a schematic structural diagram of a pressure equalizing plate in an embodiment. FIG. 16 is a schematic structural view of a pressure equalizing plate at another angle. Fig. 17 is an enlarged view of the structure of the region I shown in fig. 16. As shown in fig. 15 to 17, based on any of the above embodiments, the air inlet and the air outlet 23 are both provided to the pressure equalizing plate 26. Of course, in other embodiments, the airflow outlet 23 may not be disposed on the pressure equalizing plate 26, and only need be in fluid communication with the pressure equalizing chamber 2.

Referring to fig. 16-17, based on any of the above embodiments, the outer wall 27 of the pressure equalizing plate 26 is further provided with a plurality of liquid collecting structures 29 extending outward, and the liquid collecting structures 29 are disposed around the annular protrusion 28. The liquid collecting structure 29 is used for collecting the water film formed by the outer wall 27 of the pressure equalizing plate 26 into small liquid drops, so that the small liquid drops fall into the storage space 11. The liquid trap structure 29 is generally referred to as a cone,

referring to figure 12 and also to figures 15 to 17, the pressure equalisation chamber 2 comprises, based on any of the embodiments described above, a distribution chamber 21 and a collection chamber 22, the collection chamber 22 being located generally adjacent the outlet inlet 15 of the outlet duct to ensure that the volume of air passing per unit time meets the requirements of the surface cleaning apparatus. The distribution chamber 21 is generally distributed directly above the liquid and preferably covers all surfaces of the liquid, although the distribution chamber 21 may not cover all surfaces of the liquid and may depend on the specific configuration. The plurality of through holes 24 are uniformly distributed in the distribution chamber 21. To ensure that the pressure generated at the through-hole 24 is substantially the same. The height H1 of distribution chamber 21 in the vertical direction is less than the height H2 of convergence chamber 22. The bottom area of the converging chamber 22 is smaller than 1/5 of the bottom area of the distribution chamber 21 so that the bottom area of the distribution chamber 21 can be made as large as possible to cover a relatively large liquid surface. To improve the pressure equalization effect, the total area of the plurality of through holes 24 is less than 1/5 of the area of the pressure equalization plate 26. Further, the total area of the through holes 24 is less than 1/10 of the area of the pressure equalizing plate 26. Further, the total area of the through holes 24 is less than 1/20 of the area of the pressure equalizing plate 26.

Referring to fig. 18 to 22, fig. 18 is a schematic structural view of a gas-liquid separation device in an embodiment. Fig. 19 is a schematic structural view of the gas-liquid separation device at another angle. Fig. 20 is a schematic structural view of the gas-liquid separation device at still another angle. FIG. 21 is a schematic view showing the structure of a gas-liquid separating apparatus in another embodiment. Fig. 22 is a cross-sectional view taken along line D-D of fig. 18. In order to further improve the pressure equalizing effect, a gas-liquid separation device 3 is arranged at the gas inlet 13 of the gas inlet channel 12, the gas-liquid separation device 3 is arranged at the gas inlet 13 of the gas inlet channel 12 and used for performing gas-liquid separation on fluid, and at least part of the gas-liquid separation device 3 is arranged right below the pressure equalizing cavity 2. The gas-liquid separator 3 includes a cover 31 and a gas-liquid separator 32 provided in the cover 31. The cover 31 defines a buffer cavity 38 facing the air inlet outlet 13. The gas-liquid separation part 32 is arranged on the cover body 31, the gas-liquid separation part 32 extends along the horizontal direction basically, the gas-liquid separation part 32 comprises a plurality of guide plates 33 arranged at intervals, the guide plates 33 extend along the direction far away from the cover body 31, and air outlet holes 39 are defined between the adjacent guide plates 33. The guide plate 33 is used for guiding the airflow blown out from the air inlet 13 to flow along the horizontal direction, so that the airflow is prevented from directly blowing to the pressure equalizing plate 26 or to the liquid level, if the airflow is directly blown to the liquid level, a large amount of spray can be excited if the air inlet 13 is shorter than the liquid level, and if the airflow directly blows to the pressure equalizing plate 26, the steam in the airflow can enter the pressure equalizing cavity 2. Therefore, the guide plates 33 are arranged substantially horizontally, and the air outlet holes 39 are arranged between the guide plates 33, so that the movement distance of the air flow in the recovery tank 10 is increased, and the gas-liquid separation effect is improved.

The guide plate 33 is provided with a guide groove 34, and the guide groove 34 is opened downward and is in fluid communication with the buffer cavity 38 of the cover 31. In one embodiment, the end of the guiding slot 34 away from the cover 31 is closed to prevent the air flow from directly blowing onto the inner wall of the recycling bin 10, and in another embodiment, the end of the guiding slot 34 away from the cover 31 can be rounded to finally face the liquid level or the inner wall of the recycling bin 10.

Referring to fig. 19, in one embodiment, the buffer cavity 38 faces the inlet outlet 13, and the buffer cavity 38 of at least a part of the cover 31 is vertically higher than the gas-liquid separation portion 32.

Referring to fig. 22, in one embodiment, the gas-liquid separation portion 32 includes a top plate 35 and a bottom plate 36, the top plate 35 and the bottom plate 36 defining a fluid passage 40 therebetween, the fluid passage 40 being in fluid communication with the buffer cavity 38 for guiding a flow of the gas discharged from the buffer cavity 38 to flow in an extending direction of the gas-liquid separation portion 32. The top plate 35 is provided between the cover 31 and the guide plate 33. The bottom plate 36 includes a plurality of spaced apart water channels 37, and the water channels 37 are configured to collect and direct the flow of liquid. The gas-liquid separation portion 32 is provided around the intake air outlet 13. In other embodiments, the gas-liquid separation portion 32 may be separately disposed on one side of the gas inlet 13, and the other side is convenient for users to dump sewage. The intake air outlet 13 is located between the bottom plate 36 and the top plate 35 in the vertical direction.

Referring to fig. 21, in another embodiment, the buffer cavity 38 is used to guide the fluid discharged from the gas inlet/outlet 13 to flow along the extending direction of the gas-liquid separation portion 32, thereby improving the gas-liquid separation effect.

Referring to fig. 12, in order to further enhance the separation effect, the gas-liquid separation portion 32 of the gas-liquid separation device 3 extends in a direction substantially parallel to the pressure equalizing chamber 2, and a distance H3 between the tip of the gas-liquid separation portion 32 and the pressure equalizing plate 26 is less than 20 mm.

While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. A gas-liquid separation device is arranged at a gas inlet outlet of a gas inlet channel and is used for carrying out gas-liquid separation on fluid, and the gas-liquid separation device is characterized by comprising

A housing defining a buffer cavity facing the inlet air outlet;

the gas-liquid separation part is arranged on the cover body, extends along the horizontal direction basically, and comprises a plurality of guide plates arranged at intervals;

2. The gas-liquid separation device according to claim 1,

the guide plate is provided with a guide groove, and an opening of the guide groove faces downwards and is communicated with the buffer cavity of the cover body through fluid.

3. The gas-liquid separation device according to claim 1 or 2,

the buffer cavity is opposite to the air inlet and at least part of the buffer cavity of the cover body is higher than the gas-liquid separation part along the vertical direction.

4. The gas-liquid separation device according to claim 1 or 2,

the gas-liquid separation portion includes a top plate and a bottom plate defining a fluid passage therebetween, the fluid passage being in fluid communication with the buffer cavity for guiding the flow of the gas discharged from the buffer cavity to flow in the extending direction of the gas-liquid separation portion.

5. The gas-liquid separation device according to claim 4,

the top plate is disposed between the cover and the guide plate.

6. The gas-liquid separation device according to claim 4,

the bottom plate includes a plurality of spaced apart troughs for collecting and directing the flow of liquid.

7. The gas-liquid separation device according to claim 1,

the gas-liquid separation portion is disposed at least partially around the intake air outlet.

8. The gas-liquid separation device according to claim 1 or 2,

the buffer cavity is used for guiding the fluid discharged from the air inlet and outlet to flow along the extending direction of the gas-liquid separation part.

9. The gas-liquid separating apparatus according to claim 4,

the air inlet outlet is located between the bottom plate and the top plate in a vertical direction.

10. A recycling bin comprising an inlet air passage and an outlet air passage, wherein a gas-liquid separating device according to any one of claims 1 to 9 is provided at a gas inlet outlet of the inlet air passage.