CN218606455U

CN218606455U - Sewage back suction system based on scrubber basic station

Info

Publication number: CN218606455U
Application number: CN202222037548.6U
Authority: CN
Inventors: 王晓东; 邱子殷; 李伟; 沈强
Original assignee: Kunshan Xintaili Intelligent Technology Co Ltd
Current assignee: Kunshan Xintaili Intelligent Technology Co Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-03-14
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a sewage resorption system based on scrubber basic station belongs to cleaning device technical field. The garbage collection and recycling device comprises a back suction fan, a dust collection bag, a sewage tank and a back suction pipeline, wherein the back suction fan, the dust collection bag, the sewage tank and the back suction pipeline are sequentially connected to form a back suction air channel, and a double-air-channel automatic switching mechanism capable of separating dry garbage from wet garbage is arranged between the sewage tank and the dust collection bag. Compared with the prior art, the beneficial effects of the utility model are that: firstly, the sewage back suction system of the utility model is provided with a back suction pipeline, a sewage tank, a dust collection bag, a back suction fan, a dry-wet separation device and a double-air-channel automatic switching mechanism, can realize the separation of dry-wet garbage in a sewage bucket, and realize the classification treatment of solid garbage and sewage, thus being more environment-friendly and efficient; secondly, simple structure, convenient and practical, convenient to use and popularization.

Description

Sewage back suction system based on scrubber basic station

Technical Field

The utility model belongs to the technical field of cleaning device, in particular to sewage resorption system based on scrubber basic station.

Background

The floor cleaning machine is a common ground cleaning device and generally comprises a sewage tank, a clear water tank, a rolling brush assembly and an idler wheel, wherein the rolling brush assembly and the idler wheel are arranged at the bottom, the idler wheel can facilitate the floor cleaning machine to roll on the ground, the rolling brush assembly is provided with a rolling brush, water is supplied to the rolling brush through a clear water tank, the rolling brush can brush the ground, in the brushing process, dirty water with solid garbage is formed by adsorbing dirt on the ground and the solid garbage with small volume into the rolling brush, and the dirty water and the solid garbage generated after the brushing and the solid garbage are recovered to the sewage tank inside the machine body from the rolling brush through the vacuumizing of a power mechanism, so that the sewage is prevented from being spread on the ground, and the floor cleaning work is completed.

The floor cleaning machine needs to treat sewage and solid garbage in the sewage tank after the ground is cleaned, the sewage tank is cleaned, and meanwhile, the electric quantity needs to be supplemented for the floor cleaning machine. The base station of the floor washing machine is a device for realizing the functions, and dry and wet garbage in a sewage tank of the floor washing machine is sucked back and forth through a back suction air duct which is provided with a back suction fan to form negative pressure, so that the repeated cleaning and use of the floor washing machine are realized. The existing suck-back air channel based on the base station can not be switched normally, so that dry and wet garbage in the sewage tank is not convenient to separate and recycle, and the garbage treatment efficiency and treatment effect of the sewage tank are poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the primary object of the utility model is to provide a sewage back suction system based on a scrubber base station, which can switch air channels, realize the separation of dry and wet garbage in a sewage tank, realize the classification treatment of solid garbage and sewage, and is more environment-friendly and efficient;

still another object of the utility model is to provide a sewage resorption system based on scrubber basic station, simple structure, facilitate the use.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a sewage resorption system based on scrubber basic station, including resorption fan, dust bag, sewage case, resorption pipeline, resorption fan, dust bag, sewage case, resorption pipeline link up the formation in proper order the resorption wind channel, just be provided with the two wind channel automatic switching mechanism that can carry out the separation of dry and wet rubbish between sewage case and the dust bag.

The sewage box is further internally provided with a dry-wet separation device, the dry-wet separation device comprises a dry-wet separation box, the dry-wet separation box is arranged on the upper portion of the sewage box, the rear end of the resorption pipeline is communicated with the dry-wet separation box, a water leakage hole is formed in the bottom of the dry-wet separation box, a dry-wet separation installation side plate is further arranged between the dry-wet separation box and the dust collection bag, solid garbage resorption ports corresponding in position are formed in the side walls of the dry-wet separation box, the sewage box and the dry-wet separation installation side plate, the solid garbage resorption ports are communicated to form a resorption airflow channel, the sewage box is communicated with the dust collection bag through the resorption airflow channel, the solid garbage resorption channel and the resorption airflow channel are arranged side by side at the same height, a resorption airflow channel capable of performing upward resorption along with the airflow is arranged on the resorption airflow channel, and a second resorption baffle plate capable of performing upward resorption along with the upward airflow overturning along with the upward resorption baffle is arranged on the solid garbage resorption airflow channel. In the application, when the back suction fan is not operated, the first flip cover baffle and the second flip cover baffle are in a normal state, the solid waste back suction port and the back suction airflow port are respectively shielded, the solid waste back suction channel and the back suction airflow channel are closed, and when the airflow is back sucked, the generated suction force can enable the first flip cover baffle and the second flip cover baffle to be flipped upwards, and the solid waste back suction channel and the back suction airflow channel are opened; the double-air-duct automatic switching mechanism can block the first flip cover baffle or the second flip cover baffle, and the first flip cover baffle or the second flip cover baffle is prevented from being turned up under the pushing of air flow. Namely, the back suction process of the back suction air duct is as follows: carry out gas collection for the first time when the resorption begins, two wind channel automatic switching mechanism stop first flip baffle, and the air current resorption promotes second flip baffle and turns over and open the resorption air current mouth, and the air current resorption flow direction is: the back suction fan, the dust collection bag, the back suction airflow port, the sewage tank, the dry-wet separation box and the back suction pipeline form negative pressure in the closed sewage tank, dry-wet garbage in a sewage bucket of the floor washing machine is sucked into the dry-wet separation box together, sewage directly leaks into the sewage tank below from the bottom of the dry-wet separation box, and solid garbage is left in the dry-wet separation box to realize the separation of the dry-wet garbage. And during secondary air collection, the double-air-channel automatic switching mechanism works again to block the second flip cover baffle and release the first flip cover baffle, the air flow is sucked back to push the first flip cover baffle to flip up to open the solid garbage suction back port, air channel switching is carried out, the air flow is converted into the solid garbage suction back port from the suction back air flow port, and the solid garbage in the dry-wet separation box is sucked into the dust collection bag.

Furthermore, the double-air-duct automatic switching mechanism is arranged on the dry-wet separation installation side plate and is arranged below the solid garbage suction port and the suction airflow port and comprises an electromagnetic push-pull rod, a rotating connecting rod, a transmission rod and a push rod spring, the electromagnetic push-pull rod is movably arranged on the back side of the dry-wet separation installation side plate, the dry-wet separation installation side plate is provided with a turnover cover bottom plate below the solid garbage suction port and the solid garbage suction port, the flip bottom plate protrudes out of the back side of the dry-wet separation installation side plate, one end of the push rod spring abuts against the upper end of the electromagnetic push-pull rod, the other end abuts against the lower end of the flip bottom plate, the transmission rod comprises a first transmission rod and a second transmission rod, the second transmission rod is arranged below the air return port, the upper end of the second transmission rod is connected with the flip bottom plate, and the side edge of the second transmission rod is provided with an integrally-formed transmission rod fixing piece, the second transmission rod is fixedly connected to the electromagnetic push-pull rod through the transmission rod fixing piece, the first transmission rod is arranged below the solid garbage suction opening, the upper end of the first transmission rod is connected with the flip bottom plate, the dry-wet separation installation side plate is provided with a rotating shaft, the middle part of the rotating connecting rod is provided with a rotating shaft hole, the rotating connecting rods are rotatably connected on the rotating shaft through the rotating shaft holes to form a seesaw type structure, the lower ends of the first transmission rod and the second transmission rod are respectively connected with the two ends of the rotating connecting rods to carry out the vertical movement of the seesaw with the rotation of the rotating connecting rods, the upper ends of the first transmission rod and the second transmission rod are provided with valve bayonet locks with blocking effect, the dorsal part of first flip baffle and second flip baffle all be provided with valve bayonet lock matched with locating part, the valve bayonet lock can run through the flip bottom plate and the activity stops or keeps away from the locating part from top to bottom. In this application, in a normal state, the electromagnetic push-pull rod is in a power-on state, the push rod spring is compressed, when the electromagnetic push-pull rod is powered off, the electromagnetic push-pull rod is reset downwards, the push rod spring pushes the second transmission rod downwards, one end of a rotary connecting rod connected with the second transmission rod rotates downwards, the other end of the rotary connecting rod tilts upwards, the first transmission rod connected with the other end of the rotary connecting rod is pushed upwards along with the second transmission rod, the valve clamping pin at the top of the first transmission rod can clamp the first flip-cover baffle, so that the first flip-cover baffle cannot be pumped up by negative pressure to open the solid garbage suction port, the solid garbage suction channel is closed, the valve clamping pin at the top of the second transmission rod can move downwards along with the second transmission rod to be far away from the limiting part of the second flip-cover baffle, the second flip-cover baffle cannot be flipped up, the second flip-cover baffle can be flipped up to open the suction port, the return gas collection channel is opened, dry and wet return garbage can be sucked into the dry and wet separation box, sewage can leak into the sewage box, and the solid can be temporarily stored in the dry and wet separation box 251. When the electromagnetic push-pull rod is powered on, the electromagnetic push-pull rod moves relatively to drive the second transmission rod to move upwards, the valve bayonet lock on the second transmission rod blocks the second flip baffle to flip upwards, the suck-back airflow port is closed, the suck-back airflow channel is closed, meanwhile, the rotating connecting rod moves to tilt upwards to drive the first transmission rod to move downwards to release the first flip baffle, the first flip baffle is pushed to flip upwards along with the airflow to open the solid garbage suck-back port, the solid garbage suck-back channel is communicated, the air channel is switched to realize secondary air collection, and the solid garbage temporarily stored in the dry-wet separation box after being filtered is pumped into a dust collection bag.

Furthermore, the sewage case is including sewage case main part and sewage case lid, the sewage case lid closes and forms inclosed space in the sewage case main part, the upper portion of sewage case main part is provided with wet-dry separation box fixed slot, the bottom demountable installation of wet-dry separation box is in wet-dry separation box fixed slot, just the main part of wet-dry separation box sets up in the sewage case lid, and the solid rubbish resorption mouth and the resorption air flow mouth of sewage case set up on the lateral wall of sewage case lid, and first flip baffle articulates on the solid rubbish resorption mouth of sewage case lid, and the second flip baffle articulates on the resorption air flow mouth of sewage case lid. The outside of sewage case main part is provided with the resorption pipeline and dodges the groove, the resorption pipeline dodges the upper end in groove and is provided with dry wet rubbish outlet joint, the end-to-end connection of resorption pipeline is in dry wet rubbish outlet joint, be provided with on the dry wet separation box and dodge the through-hole, dry wet rubbish outlet joint runs through and dodges the through-hole and stretches into in the dry wet separation box. The dry and wet garbage in the sewage tank of the floor washing machine can enter the dry and wet separation box from the back suction pipeline and the dry and wet garbage outlet joint.

Furthermore, a dust collecting cover plate is arranged above the dust collecting bag, and a dust collecting sealing ring is arranged below the dust collecting cover plate. The suck-back fan is when extracting solid waste, and dust collection apron and collection dirt sealing washer can form the dust bag space sealedly, and solid waste returns the first flip baffle of suction inlet and is opened by the negative pressure, and solid waste walks along the wind current direction, and the dust bag is ventilative when bleeding, but also closed, so only the air current can pass through the fan, and other solid waste etc. all fall into the dust bag.

Further, the suck-back fan comprises a fan main body, a fan fixing support, silencing sponge and a support cover plate, wherein the silencing sponge is sleeved outside the fan main body and is integrally installed in the fan fixing support together with the fan main body, and the support cover plate is installed at the lower end of the fan fixing support and wraps the bottom of the fan main body.

Further, the upper portion and the lower part of fan main part all are provided with fixed buffering cushion, all through fixed buffering cushion buffer connection between fan main part and support apron, the fan fixed bolster.

Furthermore, the upper part of the fan main body is provided with a fan air inlet, the support cover plate is provided with a fan air outlet communicated with the fan main body, and the fan air inlet is communicated with the dust collection bag.

Furthermore, the fan fixing support and the fixed buffering rubber mat on the upper portion of the fan main body are both of a structure which is communicated up and down, so that the fan air inlet and the dust collecting bag can be prevented from being blocked, and air flow generated during the suck-back of the suck-back fan can smoothly pass through the fan fixing support and the fixed buffering rubber mat on the upper portion of the fan main body from the dust collecting bag and enter the suck-back fan.

Furthermore, a target filtering support is further arranged between the air inlet of the fan and the dust collecting bag, the target filtering support is located above the fan main body, and a HEPA filter screen is installed in the target filtering support. The HEPA filter screen mainly plays a role in filtering air impurities and preventing water vapor from entering the suck-back fan.

Furthermore, a filter screen cloth is further arranged on the target center filter support and is shielded above the HEPA filter screen. The filter screen cloth can be made of nylon materials and has the functions of filtering air impurities and fixing the HEPA filter screen. In the application, the back suction fan is started to generate negative pressure, wind passes through the HEPA from the nylon Long Wangbu on the bullseye filtering bracket, reaches the air inlet of the fan, passes through the silencing sponge to weaken frequency vibration, passes through the one-way air exhaust duct consisting of the fan fixing bracket and the bracket cover plate, and is exhausted from the air outlet.

Further, bull's-eye filters support is including setting up to the reinforcing support of the support main part and the cruciform structure of bull's-eye shape structure, support main part and reinforcing support integrated into one piece. The bulls-eye filtering bracket can be detached to clean the filtering net cloth and the HEPA. And (3) sea handkerchief: mainly play filtered air impurity, prevent the effect that steam got into the fan.

Further, the support cover plate is detachably connected with the fan fixing support.

Compared with the prior art, the beneficial effects of the utility model are that:

firstly, the sewage back suction system of the utility model is provided with a back suction pipeline, a sewage tank, a dust collection bag, a back suction fan, a dry-wet separation device and a double-air-channel automatic switching mechanism, can realize the separation of dry-wet garbage in a sewage bucket, and realize the classification treatment of solid garbage and sewage, thus being more environment-friendly and efficient;

secondly, simple structure, convenient and practical, convenient to use and popularization.

Drawings

Fig. 1 is a sectional view of the suck-back duct according to the present embodiment.

Fig. 2 is a schematic structural diagram of the embodiment.

Fig. 3 is an exploded view of the slop pail of this embodiment.

Fig. 4 is a schematic structural view of the wet-dry separation apparatus of the present embodiment.

Fig. 5 is a schematic structural diagram of the automatic dual air duct switching mechanism in this embodiment.

Fig. 6 is an exploded view of the suck back fan of the present embodiment.

In the figure:

1. a back suction pipeline 2, a sewage tank 3, a dust collection bag 4, a back suction fan 5, a dry-wet separation device 6, a double-air-passage automatic switching mechanism 100, a back suction air passage 200 and a base station main body.

21. The sewage tank comprises a sewage tank main body, 22, a sewage tank cover, 23, a dry-wet separation box fixing groove, 24, a return suction pipeline avoiding groove and 25, and a dry-wet garbage outlet joint.

31. Dust collection apron, 32, dust collection sealing washer.

41. The device comprises a fan main body, 42, a fan fixing support, 43, a silencing sponge, 44, a support cover plate, 45, a fixing buffer rubber mat, 46, a fan air inlet, 47, a fan air outlet, 48, a target filtering support, 49, a HEPA filter screen, 481, a support main body, 482 and a reinforcing support.

51. The dry-wet separation box 52, the water leakage holes 53, the dry-wet separation installation side plate 54, the solid garbage return suction port 55, the return suction air flow port 56, the first flip cover baffle plate 57, the second flip cover baffle plate 58, the limiting piece 511 and the avoiding through hole.

61. The electromagnetic push-pull rod 62, the rotating connecting rod 63, the push rod spring 64, the flip bottom plate 65, the first transmission rod 66, the second transmission rod 67, the transmission rod fixing piece 68, the rotating shaft 69, the valve clamping pin 621 and the rotating shaft hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-6, the implementation of this embodiment is as follows:

the embodiment provides a sewage resorption system based on floor cleaning machine basic station, including resorption fan 4, dust bag 3, sewage case 2, resorption pipeline 1, resorption fan 4, dust bag 3, sewage case 2, resorption pipeline 1 link up in proper order and form resorption wind channel 100, just be provided with the double-air-duct automatic switching mechanism 6 that can carry out the separation of dry and wet rubbish between sewage case 2 and the dust bag 3. In this application, the bilge tank 2 is used for storing the sewage in the bilge tub of the floor washing machine, and the dust bag 3 is used for storing the solid waste in the bilge tub of the floor washing machine. During the back suction, the back suction fan 4 sucks the dry and wet garbage in the sewage tank of the floor washing machine back to the upper part of the sewage tank 2 to generate negative pressure in the closed sewage tank 2, the sewage leaks into the sewage tank below under the action of self gravity through the back suction air duct 100, the fixed garbage is sucked into the dust collection bag 3 through the suction force generated by the back suction fan 4, and the back suction and the separation of the dry and wet garbage in the sewage tank of the floor washing machine are realized.

Further, a dry-wet separation device 5 is further arranged in the sewage tank 2, the dry-wet separation device 5 comprises a dry-wet separation box 51, the dry-wet separation box 51 is arranged in the sewage tank 2 and located at the upper portion of the sewage tank 2, the rear end of the suck-back pipeline 1 is communicated with the dry-wet separation box 51, a water leakage hole 52 is formed in the bottom of the dry-wet separation box 51, a dry-wet separation installation side plate 53 is further arranged between the dry-wet separation box 51 and the dust collection bag 3, solid garbage suck-back ports 54 corresponding in position are formed in the side walls of the dry-wet separation box 51, the sewage tank 2 and the dry-wet separation installation side plate 53, the solid garbage suck-back ports 54 are communicated to form a solid garbage suck-back channel, the dry-wet separation box 51 is communicated with the dust collection bag 3 through the solid garbage suck-back channel, suck-back air ports 55 are further formed in the side walls of the sewage tank 2 and the dry-wet separation installation side plate 53, the suck-back air ports 55 are communicated to form a suck-back air flow channel, the sewage tank 2 is communicated with the dust collection bag 3 through a second suck-back air flow baffle 57 which is arranged on the dust collection baffle 56 in parallel with the suck-back air flow. In the present application, when the back suction fan 4 is not operating, the first flap baffle 56 and the second flap baffle 57 are both in a normal state, and respectively block the solid waste back suction port 54 and the back suction airflow port 55, and close the solid waste back suction passage and the back suction airflow passage, and when the airflow is back sucked, the generated suction force can make the first flap baffle 56 and the second flap baffle 57 turn up, and open the solid waste back suction passage and the back suction airflow passage; the double-air-duct automatic switching mechanism 6 can block the first flap baffle 56 or the second flap baffle 57, and prevent the first flap baffle 56 or the second flap baffle 57 from being turned up under the pushing of the air flow. Namely, the sewage back suction system 2 comprises the following steps: the first gas collection is carried out when the resorption begins, the first flip baffle 56 is blocked in the work of the double-air-duct automatic switching mechanism 6, the air flow resorption pushes the second flip baffle 57 to flip up and open the resorption air flow port 55, and the air flow resorption flow direction is: the back suction fan 4, the dust collection bag 3, the back suction airflow port 55, the sewage tank 2, the dry-wet separation box 51 and the back suction pipeline 1 form negative pressure in the closed sewage tank 2 to suck dry-wet garbage in the sewage tank of the floor washing machine into the dry-wet separation box 51, sewage directly leaks into the sewage tank 2 below from the water leakage hole 52 at the bottom of the dry-wet separation box 51, and solid garbage is left in the dry-wet separation box 51 to realize the separation of the dry-wet garbage. During the second air collection, the double-air-duct automatic switching mechanism 6 works again to block the second flip baffle 57, release the first flip baffle 56, push the first flip baffle 56 to flip upwards to open the solid waste suction port 54, perform air duct switching, convert the air flow from the suction air flow port 55 to the solid waste suction port 54, and suck the solid waste in the moisture-dry separation box 51 into the dust collection bag 3.

Further, the double-air-duct automatic switching mechanism 6 is mounted on the dry-wet separation mounting side plate and is arranged below the solid waste return suction port 54 and the return suction airflow port 55, and comprises an electromagnetic push-pull rod 61, a rotating connecting rod 62, a transmission rod and a push rod spring 63, wherein the electromagnetic push-pull rod 61 is movably mounted on the back side of the dry-wet separation mounting side plate 53, the dry-wet separation mounting side plate 53 is provided with a flip bottom plate 64 below the solid waste return suction port 54 and the return suction airflow port 55, the flip bottom plate 64 protrudes out of the back side of the dry-wet separation mounting side plate 53, one end of the push rod spring 63 abuts against the upper end of the electromagnetic push-pull rod 61, the other end abuts against the lower end of the flip bottom plate 64, the transmission rod comprises a first transmission rod 65 and a second transmission rod 66, the second transmission rod 66 is arranged below the return suction airflow port 55, and the upper end of the second transmission rod is connected with the flip bottom plate 64, and the side of the second transmission rod 66 is provided with an integrally formed transmission rod fixing member 67, the second transmission rod 66 is fixedly connected to the electromagnetic push-pull rod 61 through the transmission rod fixing member 67, the first transmission rod 65 is arranged below the solid waste return suction port 54, the upper end of the first transmission rod is connected with the flip bottom plate 64, the dry-wet separation installation side plate 53 is provided with a rotating shaft 68, the middle part of the rotating connecting rod 62 is provided with a rotating shaft hole 621, the rotating connecting rod 62 is rotatably connected to the rotating shaft 68 through the rotating shaft hole 621 to form a seesaw type structure, the lower ends of the first transmission rod 65 and the second transmission rod 66 are respectively connected to the two ends of the rotating connecting rod 62 to perform the up-and-down movement along with the rotation of the rotating connecting rod 62, the upper ends of the first transmission rod 65 and the second transmission rod 66 are provided with a stopper 69 having a blocking effect, the back sides of the first flip baffle 56 and the second flip baffle 57 are provided with a stopper 58 matched with the stopper 69, the valve pin 69 can penetrate through the flip base plate 64 and move up and down to block or move away from the limiting member 58. In the application, in a normal state, the electromagnetic push-pull rod 61 is in a power-on state, the push rod spring 63 is compressed, when the electromagnetic push-pull rod 61 is powered off, the electromagnetic push-pull rod 61 is reset downwards, the push rod spring 63 pushes the second transmission rod 66 downwards, one end of the rotating connecting rod 62 connected with the second transmission rod 66 rotates downwards, the other end of the rotating connecting rod 62 tilts upwards, the first transmission rod 65 connected with the other end of the rotating connecting rod 65 is pushed upwards along with the rotating rod, the valve pin 69 at the top of the first transmission rod 65 can block the first flip baffle 56, the first flip baffle 56 cannot be flipped up by negative pressure air suction to open the solid waste suction port 54, the solid waste suction channel is closed, the valve pin 69 at the top of the second transmission rod 66 can move downwards along with the second transmission rod 66 to be far away from the limiting piece 58 of the second flip baffle 57, the second flip baffle 57 cannot be blocked from being flipped up, the second flip baffle 57 can be flipped up to open the return suction airflow port 55, the return airflow channel is opened, the first air collection channel is performed, the wet and dry waste is temporarily stored in the wet and dry waste separation box 51, and the sewage can be separated from the wet and the dry waste water tank 2. When the electromagnetic push-pull rod 61 is powered on, the electromagnetic push-pull rod makes relative motion to drive the second transmission rod 66 to move upwards, the valve pin 69 on the second transmission rod 66 blocks the second flip baffle 57 to flip upwards, the suck-back airflow port 55 is closed, the suck-back airflow channel is closed, meanwhile, the rotating connecting rod 62 makes seesaw motion to drive the first transmission rod 65 to move downwards, the first flip baffle 56 is released, the first flip baffle 56 pushes the first flip baffle 56 to flip upwards along with the airflow, the solid garbage suck-back port 54 is opened, the solid garbage suck-back channel is communicated, the air channel switching is realized, the secondary air collection is carried out, and the solid garbage which is filtered and temporarily stored in the dry-wet separation box 51 is pumped into the dust collection bag 3.

Further, the sewage tank 2 comprises a sewage tank main body 21 and a sewage tank cover 22, the sewage tank cover 22 is covered on the sewage tank main body 21 to form a closed space, the upper part of the sewage tank main body 21 is provided with a dry-wet separation box fixing groove 23, the bottom of the dry-wet separation box 51 is detachably mounted in the dry-wet separation box fixing groove 23, the main part of the dry-wet separation box 51 is arranged in the sewage tank cover 22, a solid garbage suction back port 54 and a suction back air flow port 55 of the sewage tank 2 are arranged on the side wall of the sewage tank cover 22, a first flip cover baffle 56 is hinged on the solid garbage suction back port 54 of the sewage tank cover 22, and a second flip cover baffle 57 is hinged on the suction back air flow port 55 of the sewage tank cover 22. The outside of sewage case main part 21 is provided with the resorption pipeline and dodges groove 24, and the resorption pipeline dodges the upper end of groove 24 and is provided with dry wet rubbish outlet joint 25, and the end connection of resorption pipeline 1 is provided with dodges through-hole 511 in dry wet separation box 51 in dry wet rubbish outlet joint 25, and dry wet rubbish outlet joint 25 runs through dodges through-hole 511 and stretches into in dry wet separation box 51. Dry and wet garbage in the sump of the floor washing machine can enter the dry and wet separation box 51 from the suck-back pipeline 1 and the dry and wet garbage outlet connector 25. The sewage tank main body 21 is mainly used for storing sewage, and the sewage tank cover 22 plays a main role of sealing the sewage tank 2, and can bear weight and facilitate air passage arrangement. The wet and dry separating box 51 can be replaced and cleaned, ensuring cleanliness in the sewage tank 2.

Furthermore, a dust collecting cover plate 31 is arranged above the dust collecting bag 3, the dust collecting bag 3 is installed in the base station main body 200 and sealed by the dust collecting cover plate 31, a dust collecting sealing ring 32 is arranged below the dust collecting cover plate 31, and the dust collecting sealing ring 32 is arranged between the dust collecting cover plate 31 and the base station main body 200. When the back suction fan 4 is used for extracting solid garbage, the dust collection cover plate 31 and the dust collection sealing ring 32 can seal the space of the dust collection bag 3, the first flip baffle 56 of the back suction port 54 of the solid garbage is opened by negative pressure, the solid garbage flows away along the air flow direction, the dust collection bag 3 is air-permeable during air extraction, but is also closed, so that only air flow can pass through the fan, and other solid garbage and the like fall into the dust collection bag 3.

Further, the suck-back fan 4 comprises a fan main body 41, a fan fixing support 42, a silencing sponge 43 and a support cover plate 44, wherein the silencing sponge 43 is sleeved outside the fan main body 41 and is integrally installed in the fan fixing support 42 together with the fan main body 41, and the support cover plate 44 is installed at the lower end of the fan fixing support 42 and wraps the bottom of the fan main body 41.

Further, the upper portion and the lower portion of the fan main body 41 are provided with a fixing buffer rubber pad 45, and the fan main body 41 is connected with the support cover plate 44 and the fan fixing support 42 in a buffering mode through the fixing buffer rubber pad 45.

Further, the upper portion of the blower main body 41 is provided with a blower inlet 46, the bracket cover plate 44 is provided with a blower outlet 47 communicated with the blower main body 41, and the blower inlet 46 is communicated with the dust bag 3.

Further, the fan fixing bracket 42 and the fixing buffer rubber pad 45 on the upper portion of the fan main body 41 are both of a structure which is through from top to bottom, so that the fan air inlet 46 and the dust collection bag 3 can be prevented from being blocked, and the air flow generated during the suck-back of the suck-back fan 4 can smoothly pass through the fan fixing bracket 42 and the fixing buffer rubber pad 45 on the upper portion of the fan main body 41 from the dust collection bag 3 and enter the suck-back fan 4.

Further, a target filtering bracket 48 is arranged between the air inlet 46 of the fan and the dust collecting bag 3, the target filtering bracket 48 is positioned above the fan main body 41, and a HEPA filter screen 49 is arranged in the target filtering bracket 48. The HEPA filter screen 49 mainly plays a role in filtering air impurities and preventing water vapor from entering the back suction fan 4.

Furthermore, a filter mesh (not shown) is disposed on the bull's eye filter support 48, and the filter mesh is covered above the HEPA filter screen 49. The filter mesh cloth can be made of nylon materials and has the functions of filtering air impurities and fixing the HEPA filter screen 49. In the present application, the suck-back fan 4 is started to generate negative pressure, and the air passes through the sea handkerchief from the nylon mesh cloth on the bull's eye filtering bracket 48, reaches the fan air inlet 46, passes through the silencing sponge 43, weakens the frequency vibration, passes through the one-way exhaust air duct composed of the fan fixing bracket 42 and the bracket cover plate 44, and is exhausted from the air outlet.

Further, the bullseye filtering bracket 48 comprises a bracket main body 481 arranged in a bullseye shape and a reinforcing bracket 482 in a cross shape, wherein the bracket main body 481 and the reinforcing bracket 482 are integrally formed. The bulls-eye filtering bracket can be detached to clean the filtering net cloth and the HEPA. And (3) sea handkerchief: mainly play filtration air impurity, prevent the effect that steam got into the fan.

Further, the bracket cover 44 is detachably connected to the fan fixing bracket 42.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sewage back suction system based on a floor washing machine base station is characterized by comprising a back suction fan, a dust collection bag, a sewage tank and a back suction pipeline, wherein the back suction fan, the dust collection bag, the sewage tank and the back suction pipeline are sequentially connected to form a back suction air channel, and a double-air-channel automatic switching mechanism capable of separating dry garbage from wet garbage is arranged between the sewage tank and the dust collection bag;

the back suction fan comprises a fan main body, a fan fixing support, a silencing sponge and a support cover plate, wherein the silencing sponge is sleeved outside the fan main body and is integrally installed in the fan fixing support together with the fan main body;

the upper part and the lower part of the fan main body are respectively provided with a fixed buffer rubber mat, and the fan main body is in buffer connection with the support cover plate and the fan fixing support through the fixed buffer rubber mats;

the upper part of the fan main body is provided with a fan air inlet, the support cover plate is provided with a fan air outlet communicated with the fan main body, and the fan air inlet is communicated with the dust collection bag;

a target filtering bracket is further arranged between the air inlet of the fan and the dust collecting bag, the target filtering bracket is positioned above the fan main body, a HEPA filter screen is arranged in the target filtering bracket, and a filter screen cloth is further arranged on the target filtering bracket and is shielded above the HEPA filter screen;

the bull-nose filter support is including setting up to the support main part of bull-nose shape structure and the reinforcement support of cruciform structure, support main part and reinforcement support integrated into one piece.

2. A sewage back suction system based on a base station of a floor washing machine as claimed in claim 1, wherein a dry-wet separation device is further provided in the sewage tank, the dry-wet separation device comprises a dry-wet separation box, the dry-wet separation box is provided at the upper part of the sewage tank, the back end of the back suction pipeline is communicated with the dry-wet separation box, the bottom of the dry-wet separation box is provided with a water leakage hole, a dry-wet separation mounting side plate is further provided between the dry-wet separation box and the dust collection bag, the side walls of the dry-wet separation box, the sewage tank and the dry-wet separation mounting side plate are provided with correspondingly positioned solid garbage back suction ports, the solid garbage back suction ports are communicated to form a solid garbage back suction channel, the sewage tank is communicated with the dust collection bag through the solid garbage back suction channel, the solid garbage back suction channel and the back suction channel are also provided with back suction airflow ports on the same height, the back suction ports are provided with a back suction airflow baffle plate, and a second back suction baffle is provided on the dust collection bag;

the double-air-duct automatic switching mechanism is arranged on the dry-wet separation installation side plate and is arranged below the solid garbage suction port and the suction airflow port and comprises an electromagnetic push-pull rod, a rotating connecting rod, a transmission rod and a push rod spring, the electromagnetic push-pull rod is movably arranged on the back side of the dry-wet separation installation side plate, the dry-wet separation installation side plate is provided with a turnover cover bottom plate below the solid garbage suction port and the solid garbage suction port, the flip bottom plate protrudes out of the back side of the dry-wet separation installation side plate, one end of the push rod spring abuts against the upper end of the electromagnetic push-pull rod, the other end abuts against the lower end of the flip bottom plate, the transmission rod comprises a first transmission rod and a second transmission rod, the second transmission rod is arranged below the air return port, the upper end of the second transmission rod is connected with the flip bottom plate, and the side edge of the second transmission rod is provided with an integrally formed transmission rod fixing piece, the second transmission rod is fixedly connected to the electromagnetic push-pull rod through the transmission rod fixing piece, the first transmission rod is arranged below the solid garbage suction opening, the upper end of the first transmission rod is connected with the flip bottom plate, the dry-wet separation installation side plate is provided with a rotating shaft, the middle part of the rotating connecting rod is provided with a rotating shaft hole, the rotating connecting rods are rotatably connected on the rotating shaft through the rotating shaft holes to form a seesaw type structure, the lower ends of the first transmission rod and the second transmission rod are respectively connected with the two ends of the rotating connecting rods to carry out the vertical movement of the seesaw with the rotation of the rotating connecting rods, the upper ends of the first transmission rod and the second transmission rod are provided with valve bayonet locks with blocking effect, the dorsal part of first flip baffle and second flip baffle all be provided with valve bayonet lock matched with locating part, the valve bayonet lock can run through the flip bottom plate and the activity stops or keeps away from the locating part from top to bottom.

3. The sewage back suction system based on the floor washing machine base station as claimed in claim 2, wherein the sewage tank comprises a sewage tank main body and a sewage tank cover, the sewage tank cover is closed on the sewage tank main body to form a closed space, the upper part of the sewage tank main body is provided with a dry-wet separation box fixing groove, the bottom of the dry-wet separation box is detachably mounted in the dry-wet separation box fixing groove, the main part of the dry-wet separation box is arranged in the sewage tank cover, the solid waste back suction port and the back suction gas flow port of the sewage tank are arranged on the side wall of the sewage tank cover, the first flip cover baffle is hinged on the solid waste back suction port of the sewage tank cover, and the second flip cover baffle is hinged on the back suction gas flow port of the sewage tank cover.

4. The sewage back-suction system based on the base station of the floor washing machine as claimed in claim 3, wherein a back-suction pipeline avoiding groove is arranged on the outer side of the sewage tank main body, a dry and wet garbage outlet joint is arranged at the upper end of the back-suction pipeline avoiding groove, the tail end of the back-suction pipeline is connected into the dry and wet garbage outlet joint, an avoiding through hole is arranged on the dry and wet separating box, and the dry and wet garbage outlet joint penetrates through the avoiding through hole and extends into the dry and wet separating box.

5. The sewage back-suction system based on the floor washing machine base station as claimed in claim 1, wherein a dust collection cover plate is further arranged above the dust collection bag, and a dust collection sealing ring is further arranged below the dust collection cover plate.

6. The sewage back suction system based on the floor washing machine base station as claimed in claim 1, wherein the fan fixing bracket and the fixing buffer rubber pad on the upper part of the fan main body are both of a structure which is through from top to bottom.