CN211582907U

CN211582907U - Dry-wet dual-purpose handheld dust collector structure

Info

Publication number: CN211582907U
Application number: CN201921175079.6U
Authority: CN
Inventors: 周荣; 郑良宝
Original assignee: Ningbo Haiji Electric Appliance Co ltd
Current assignee: Ningbo Haiji Electric Appliance Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-09-29
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a wet or dry hand-held dust catcher structure. It includes the handle subassembly, the main part subassembly, dirt cup subassembly and scrubbing brush subassembly, the main part subassembly includes the main part support, the main part protecgulum, lid and motor element behind the main part, be equipped with float assembly in the dirt cup subassembly, the upper segment of main part support is equipped with the motor chamber, the middle section of main part support is equipped with dirt cup chamber, the hypomere of main part support is equipped with the scrubbing brush chamber, the main part protecgulum is installed on the main part support and is located the position department in motor chamber, the lid is installed on the main part support and covers the motor chamber behind the main part, dirt cup chamber and scrubbing brush chamber, motor element arranges the motor chamber of main part support in, the handle subassembly is installed on the main part protecgulum, dirt cup unit mount is in the dirt cup chamber of main part support, float assembly install in dirt cup subassembly and corresponding from top to bottom with motor element, the scrubbing brush. The utility model has the advantages that: convenient operation, safe and reliable, long service life, high use efficiency and good sealing effect.

Description

Dry-wet dual-purpose handheld dust collector structure

Technical Field

The utility model relates to a dust catcher correlation technique field especially indicates a wet or dry dual-purpose hand-held type dust catcher structure.

Background

The vacuum cleaner can be divided into a vertical type, a horizontal type and a portable type according to the structure. The working principle of the dust collector is that the blades are driven by the motor to rotate at a high speed, air negative pressure is generated in the sealed shell, and dust is sucked. The dust collector mainly comprises three parts of dust generation, dust collection and dust filtration, and generally comprises a series excitation commutator motor, a centrifugal fan, a dust filter (bag) and a dust collection accessory. The power of a typical vacuum cleaner is 400-1000W or more, and the power of a portable vacuum cleaner is 250W or less. The dust collector can remove dust and is mainly characterized in that an electric exhaust fan is arranged at the head of the dust collector. The rotating shaft of the exhaust fan is provided with an air impeller, after the air impeller is electrified, the exhaust fan can generate higher suction force and pressure at the rotating speed of 500 circles per second, air is discharged at high speed under the action of the suction force and the pressure, air in the dust suction part at the front end of the air fan continuously supplements the air in the air fan, instantaneous vacuum is generated inside the dust collector, negative pressure difference is formed between the air and the external atmospheric pressure, and air containing dust is sucked under the action of the negative pressure difference. The dust and other sundries sequentially pass through the carpet or the floor brush, the long connecting pipe, the bent pipe, the hose and the hose joint to enter the dust filtering bag, the dust and other sundries are retained in the dust filtering bag, and the air is purified by the filter disc and then is discharged from the tail part of the machine body.

Although there is wet dust catcher futilely in current dust catcher, current wet dust catcher always all is to dissolve dry rubbish in aqueous and operate, and current wet dust catcher futilely also all is the design of tubbiness formula, not only the structure is complicated, and whole device is also comparatively huge, it also needs increase operating personnel's labour when the operation simultaneously for the dust catcher is not convenient for operate on the one hand, and on the other hand has certain potential safety hazard because the processing of wet rubbish futilely, current hand-held type dust catcher does not possess wet dual-purpose function futilely.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dry and wet dual-purpose hand-held dust collector structure with convenient operation, safety and reliability, which aims to overcome the defects in the prior art.

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

a hand-held dust collector structure for dry and wet use comprises a handle assembly, a main body assembly, a dust cup assembly and a ground brush assembly, wherein the main body assembly comprises a main body support, a main body front cover, a main body rear cover and a motor assembly, a floater assembly is arranged in the dust cup assembly, a motor cavity is arranged at the upper section of the main body support, a dust cup cavity is arranged at the middle section of the main body support, a ground brush cavity is arranged at the lower section of the main body support, the main body front cover is arranged on the main body support and is positioned at the position of the motor cavity, the main body rear cover is arranged on the main body support and covers the motor cavity, the dust cup cavity and the ground brush cavity, the motor assembly is arranged in the motor cavity of the main body support, the handle assembly is arranged on the main body front cover, the dust cup assembly is arranged in the dust cup cavity of the main body support, the floater assembly is arranged in the dust cup assembly and corresponds to the, the floor brush component is connected with the floor brush cavity of the main body bracket.

When the dust collector is used, the absorbed garbage is absorbed into the dust cup component through the ground brush component under the action of the motor component, when the absorbed garbage is solid garbage, the using principle is the same as that of a common dust collector, and the purpose of dust removal can be achieved by cleaning the garbage in the dust cup; when the absorbed is liquid rubbish, liquid is sucked into the dust cup assembly through the floor brush assembly, the floater assembly arranged in the dust cup assembly can play a role and is used for detecting the liquid amount in the dust cup assembly, when the liquid amount reaches a certain limit, the floater assembly in the dust cup assembly can seal the motor assembly, the motor assembly does not work, the liquid in the dust cup assembly is prevented from entering the motor assembly, the motor assembly is damaged, and certain potential safety hazards exist.

As preferred, the top of main part support and the top of arranging the motor chamber in is equipped with U type groove, the U type inslot at the main part support is installed on the upper portion of main part protecgulum, the motor chamber department of main part support is arranged in to the lower part of main part protecgulum, the motor chamber left and right sides symmetry of main part support is equipped with the air-out grid, the dirt cup chamber bottom of main part support is equipped with first observation window, the main part after cover and the position department of arranging the dirt cup chamber in be equipped with first observation window assorted second observation window, the scrubbing brush intracavity of main part support is equipped with the scrubbing brush and connects, the upper end that the scrubbing brush connects and the linking department in dirt cup chamber are equipped with the joint sealing washer, the dirt cup subassembly arrange in on the scrubbing brush connects and connect sealing connection through connecting sealing washer and scrubbing brush. Through the design of the first observation window and the second observation window, an operator can know the garbage amount in the dust cup assembly in real time, and the reliable operation of the dust collector is ensured; through the design of scrubbing brush joint and joint sealing washer for dirt cup subassembly and scrubbing brush joint sealing connection prevent to leak from inspiratory rubbish in the scrubbing brush subassembly, when having improved dust collection efficiency, can also ensure the reliability of removing dust.

Preferably, the motor assembly comprises a dry and wet motor, a motor front cover and a motor rear cover, the dry and wet motor is arranged between the motor front cover and the motor rear cover, the bottom of the motor rear cover is provided with air inlet meshes, the left side and the right side of the motor rear cover are symmetrically provided with air outlet holes, the inner side of the bottom of the motor rear cover is provided with a motor sealing ring, the air inlet meshes are positioned in the motor sealing ring, the dry and wet motor comprises a motor main body, an air outlet assembly and a heat dissipation assembly, the air outlet assembly is arranged below the motor main body, the heat dissipation assembly is arranged above the motor main body, the air outlet assembly is arranged in the motor rear cover, the motor main body and the heat dissipation assembly are arranged in the motor front cover, the lower end face of the air outlet assembly is arranged in the motor rear cover through the motor sealing ring, and the side face of the air outlet assembly is communicated with the air outlet, the utility model discloses an air outlet device of motor, including air-out subassembly, motor front shroud, air outlet hole, main part, switch hole and power cord, the up end edge of air-out subassembly is equipped with the motor cover sealing washer, the motor front shroud pass through motor cover sealing washer and motor rear shroud sealing connection, the upper end of motor front shroud is equipped with the air intake, the main part after cover and be located the position department at motor chamber place and be equipped with the air inlet grid, the air inlet grid that covers behind the main part cooperatees with the air intake on the motor front shroud, the side of motor front shroud is equipped with the air outlet, the exhaust vent of motor rear shroud and the air outlet of motor front shroud all dock with the air-out grid of main part support mutually, the main part after cover and be equipped with switch hole and. Through the design of motor sealing washer and motor cover sealing washer for air-out subassembly and radiator unit keep apart completely, so the wind circulation that air-out subassembly constitutes and the wind circulation that radiator unit constitutes do not have the relevance, can effectually protect motor main part not receive air-out subassembly's influence on the one hand, and on the other hand carries out the radiating operation through radiator unit to motor main part, ensures that motor main part's life can great improvement.

Preferably, the air outlet assembly comprises a fan cover, a movable impeller and a fan base, the fan cover is installed on the fan base, an inner cavity is formed between the fan cover and the fan base, the movable impeller is arranged in the inner cavity, the cross section of the fan cover is U-shaped, an air exhaust hole is formed in the middle of the bottom of the fan cover and communicated with the inner cavity, the air exhaust hole in the bottom of the fan cover is butted with an air inlet mesh hole of a rear motor cover, a plurality of air exhaust holes are uniformly distributed in the side surface of the fan cover and communicated with the inner cavity, the air exhaust hole in the side surface of the fan cover is butted with an air outlet hole of the rear motor cover, the main motor body comprises a stator and a rotor, the rotor is installed in the stator, the stator of the main motor body is installed on the fan base, the rotor of the main motor body is connected with the movable impeller after penetrating through the fan base, the heat dissipation assembly comprises a heat dissipation cover, a heat dissipation fan and a heat dissipation seat, the heat dissipation seat is installed on a stator of the motor main body, a rotor of the motor main body is connected with the heat dissipation fan after penetrating through the heat dissipation seat, the heat dissipation cover is installed on the heat dissipation seat and connected with the heat dissipation seat in a clamping mode, the heat dissipation fan is arranged in the heat dissipation cover, and the bottom of the heat dissipation cover and the position corresponding to the heat dissipation fan are provided with heat dissipation grids. The structural design of the air outlet assembly is used for carrying out dust collection operation through the movable impeller, and air enters from an air draft hole at the bottom of the fan cover, is exhausted through an air exhaust hole at the side surface of the fan cover and is exhausted through an air outlet grid of the rear cover of the motor; meanwhile, the structural design of the heat dissipation assembly is used for carrying out heat dissipation operation on the motor main body through a heat dissipation fan, and air enters from an air inlet grid of the main body rear cover, acts on the motor main body through a heat dissipation grid on the heat dissipation cover and is discharged through an air outlet grid of the motor rear cover; because the exhaust vent of motor rear housing and the air outlet of motor front housing keep apart each other, so realized two wind circulations, circulation mutually noninterference between them moreover, so when protecting motor main body, can also carry out effectual heat dissipation to motor main body, improved the life of dust catcher greatly.

Preferably, the handle assembly comprises a handle support, a handle front cover, a handle rear cover, an insertion pipe column and an insertion pipe cover, the handle front cover and the handle rear cover are mounted on the handle support, the lower end of the handle support is provided with a limiting column, the lower end of the handle rear cover is provided with a positioning column, the lower end of the handle front cover is provided with a positioning screw hole matched with the positioning column, the upper end of the insertion pipe column is provided with a first mounting block, the upper part of the first mounting block is provided with a limiting hole matched with the limiting column, the lower part of the first mounting block is provided with a first positioning hole, the upper end of the insertion pipe cover is provided with a second mounting block, the second mounting block is provided with a second positioning hole, the insertion pipe column is limited on the handle support through the matching of the limiting column and the limiting hole, the positioning column of the handle rear cover sequentially penetrates through the second positioning hole of the insertion pipe cover and the first positioning hole of the insertion pipe column to be in threaded connection with the positioning screw, the utility model discloses a motor subassembly, including the intubate lid, the intubate lid install on the intubate post, the lower extreme of intubate lid is equipped with the inserted block, the upper portion of main part protecgulum be equipped with inserted block assorted socket, the inserted block on be equipped with circular fixture block, the U type inslot of main part support be equipped with circular post, circular post on be equipped with circular fixture block assorted circular card hole, the lower part of main part protecgulum be equipped with the intubate groove, the intubate inslot be equipped with the intubate core, the lower extreme of intubate post is installed on the intubate core of main part protecgulum, the lower extreme of main part protecgulum is equipped with spacing claw, the main part protecgulum install on. Through the design of the limiting column and the limiting hole, the limiting of the pipe inserting column is facilitated; the positioning of the intubation column and the intubation cover is facilitated through the design of the positioning column, the first positioning hole and the second positioning hole; the cannula cover is conveniently inserted on the front cover of the main body through the design of the insertion block and the insertion opening, and the positioning operation is carried out through the design of the circular clamping block and the circular clamping hole; after the inserting pipe column is positioned by the limiting claws, the inserting pipe column is installed on the inserting pipe core through the matching of the inserting pipe core and the inserting pipe column, the handle assembly is convenient to install and detach by the aid of the structure, and later maintenance is facilitated.

As preferred, both ends all are equipped with the wire winding mount pad about the side of intubate lid, the wire winding mount pad on be equipped with the wrapping post, the wrapping post shape be the L type, the one end of wrapping post is equipped with the erection column, the wire winding mount pad on be equipped with erection column assorted mounting hole, the erection column on be equipped with wire winding spring, the wrapping post pass through the erection column and wire winding spring installs in the mounting hole of wire winding mount pad, wrapping post and wire winding mount pad rotate to be connected, the wrapping post is equipped with the terminal surface of erection column and is equipped with the location muscle, be equipped with on the terminal surface of wire winding mount pad with location muscle assorted constant head tank, the straight line at constant head tank place is parallel to each other with the straight line at intubate lid place. Through the design of the winding mounting seat, the winding posts and the winding spring, when the power line is wound, the winding posts are only required to be arranged in a back direction, and the positioning ribs on the winding posts are matched with the positioning grooves on the winding mounting seat, so that the power line can be conveniently wound between the two winding posts; and when needing to use the power cord, coil spring is tensile when mentioning the wrapping post, and rotatory wrapping post makes two wrapping posts set up in opposite directions, and the location muscle on the wrapping post this moment is identical with the constant head tank on the wire winding mount pad, and coil spring return simultaneously only need with the power cord directly from the wire winding mount pad take off can to need not carry out reverse winding's operation again, improved the availability factor of dust catcher greatly.

Preferably, the floor brush assembly comprises a floor brush bottom cover, a floor brush upper cover, a floor brush connecting piece and a floor brush positioning connector, wherein one end of the floor brush connecting piece is arranged between the floor brush bottom cover and the floor brush upper cover, the other end of the floor brush connecting piece is arranged at one end of the floor brush positioning connector, the other end of the floor brush positioning connector is arranged in the floor brush connector, and floor brush rollers are arranged on the left side and the right side of the floor brush upper cover. The floor brush component has simple structural design and convenient installation and disassembly.

As preferred, the bottom of scrubbing brush bottom is equipped with the dust absorption groove, the scrubbing brush bottom in be equipped with the ventilation groove, ventilation groove and dust absorption groove intercommunication, both sides all are equipped with the rotation groove about the ventilation groove, both sides all are equipped with the axis of rotation about the lower extreme of scrubbing brush connecting piece, be equipped with limit stop in the axis of rotation on the left side of scrubbing brush connecting piece, limit stop arrange the rotation inslot on the left side of ventilation groove in, be equipped with the angle stopper in the axis of rotation on the right of scrubbing brush connecting piece, the angle stopper arrange the rotation inslot on the right of ventilation groove in. Through the design of the dust collection groove and the ventilation groove, the garbage absorbed by the dust collection groove enters the connecting piece of the floor brush through the guide design of the ventilation groove, so that the dust collection efficiency can be greatly improved; the cooperation design of spacing dog and angle stopper on the axis of rotation can carry out certain spacing to the turned angle of this hand-held type dust catcher, prevents that the too big liquid that leads to in the dirt cup subassembly of turned angle of dust catcher from pouring, and influences the use of dust catcher.

Preferably, the upper end of the floor brush connecting piece is provided with an annular groove, the annular groove is internally provided with a floor brush clamping ring, the floor brush clamping ring is provided with a notch, a plurality of protrusions are uniformly distributed at the upper edge of the outer side of the floor brush clamping ring, the lower edge of the floor brush positioning joint is provided with a groove corresponding to the protrusions and a buckle matched with the notch, the side surface of the floor brush positioning joint is provided with a positioning convex edge, the floor brush joint is internally provided with a positioning groove matched with the positioning convex edge, the floor brush positioning joint is internally provided with a blow molding throat pipe, one end of the blow molding throat pipe penetrates through the floor brush connecting piece and then is communicated with a ventilation groove in a floor brush bottom cover, and the other end of the blow molding throat pipe is arranged in the floor brush positioning joint and. Through ring channel, scrubbing brush rand and scrubbing brush positioning joint's structure and position design, can conveniently install the scrubbing brush positioning joint on the scrubbing brush connecting piece in, can also conveniently install the scrubbing brush positioning joint on the scrubbing brush connects, and the design of blowing choke can further improve the leakproofness of this dust catcher, prevents leaking of rubbish.

Preferably, the dust cup assembly comprises a dust cup main body, an upper dust cup cover and a lower dust cup cover, an air inlet through hole is formed in the bottom of the dust cup main body, a positioning convex ring is arranged at the bottom of the dust cup main body and on the outer side of the air inlet through hole, the dust cup main body is arranged on a ground brush joint through the matching of the positioning convex ring and a joint sealing ring, the lower dust cup cover is arranged at the upper end of the dust cup main body, the floater assembly is arranged below the lower dust cup cover, the floater assembly is arranged in the dust cup main body, the upper dust cup cover is arranged on the lower dust cup cover, a switch assembly is arranged on the upper dust cup cover, the upper dust cup cover is connected with an insertion pipe groove of a front main body cover through the switch assembly, a sea handkerchief assembly is arranged in the upper dust cup cover, and the upper dust cup cover is connected with a rear motor cover in a sealing mode through the sea handkerchief assembly. Through the design of location bulge loop and joint sealing washer for dust cup main part connects sealed the linking up with the scrubbing brush, and can make things convenient for linking up of dust cup upper cover and main part protecgulum and motor back shroud through the design of switch subassembly and sea handkerchief subassembly.

Preferably, the switch assembly comprises a dust cup switch and a switch spring, a switch support is arranged on the dust cup upper cover, the dust cup switch is installed in the switch support, one end of the switch spring is installed in the switch support, the other end of the switch spring is installed on the dust cup switch, a sliding groove is formed in the switch support, a sliding rail matched with the sliding groove is arranged on the dust cup switch, the dust cup switch is connected with the switch support in a sliding mode through the matching of the sliding rail and the sliding groove, a switch clamping block is arranged at the upper end of the dust cup switch, and a switch clamping hole matched with the switch clamping block is formed in an insertion tube groove of the main body front cover. Through the structural design of the switch assembly, the dust cup assembly is convenient to open and close.

Preferably, the HEPA component comprises a HEPA frame, HEPA filter paper and a HEPA sealing ring, the HEPA frame is arranged on the upper cover of the dust cup, the HEPA filter paper is arranged in the HEPA frame, the HEPA sealing ring is arranged on the HEPA frame, air inlet meshes on the rear cover of the motor are arranged in the HEPA sealing ring, and the upper cover of the dust cup is connected with the rear cover of the motor in a sealing mode through the HEPA sealing ring on the HEPA frame. Through the design of sea handkerchief subassembly, can effectively carry out filtering operation, prevent that the rubbish in the dirt cup subassembly from causing adverse effect to motor element.

Preferably, the dust cup lower cover is provided with an air suction inlet, the floater assembly is arranged at the position of the air suction inlet of the dust cup lower cover, an annular groove is formed in the side face of the dust cup lower cover and is close to the upper edge, a dust cup sealing ring is arranged in the annular groove, the dust cup lower cover is connected with the dust cup main body in a sealing mode through the dust cup sealing ring, a semicircular baffle plate is arranged at the bottom of the dust cup lower cover, an air inlet pipe is arranged in the position of the dust cup main body and is located at the air inlet through hole, one end of the air inlet pipe is arranged at the position of the air inlet through hole, the other end of the air inlet pipe is arranged on the inner side of the semicircular baffle plate, the air suction inlet is arranged on the outer side of the semicircular baffle plate, a dust cup frame is arranged on the outer side of the dust cup main. Through the design of the semicircular baffle plate, the air inlet pipe and the air suction inlet are isolated, so that garbage sucked by the air inlet pipe cannot directly enter the air suction inlet to block the air suction inlet, and meanwhile, if liquid garbage is sucked, the liquid garbage cannot directly enter the air suction inlet and falls into the bottom of the dust cup main body along the edge of the semicircular baffle plate, so that the safety and the reliability of a motor assembly can be ensured; and the design of dirt cup handle groove can make things convenient for getting of dirt cup subassembly to put, simple structure, convenient operation.

Preferably, the float subassembly include float frame and float piece, the shape of float frame is the tubulose, the upper end of float frame is equipped with the float mount pad, the float frame install on dirt cup lower cover through the float mount pad, the float frame put in the import position department that induced drafts of dirt cup lower cover and cover the import of induced drafting, the float piece arrange in the float frame, the lower extreme of float frame is equipped with the opening turn-ups, the opening turn-ups include left turn-ups and right turn-ups, the float frame contact through left turn-ups and dirt cup main part, the turn-ups on the right side on be equipped with air-supply line assorted arc wall, the float frame contact with the air-supply line through the arc wall on the turn-ups. Through the structural design that the opening is turned over, the floater frame can not interfere in the dust cup main body, and the reliability of the dust cup assembly is ensured.

As preferred, the upper end of float piece is equipped with sealed piece, the size of the import that induced drafts of the size more than or equal to of sealed piece, the bilateral symmetry is equipped with the float track about the float frame, the orbital lower extreme of float is equipped with float spacing groove, the bilateral symmetry is equipped with the float slider with float track assorted about the float piece, the float slider arrange the upper end of float piece in, be equipped with the float stopper on the lower extreme side of float piece, the shape of cross section of float stopper is right triangle, the inclined plane orientation of float stopper is down, the side of float frame be equipped with float stopper assorted float spacing hole. Through the design of the sealing block, the floater block can be in soft contact with the air suction inlet, the sealing performance of the air suction inlet is ensured, and meanwhile, the floater block is prevented from being damaged; through the design of the float limiting groove in the float track, when the dust collector absorbs solid garbage, the float slide block of the float block is arranged in the float limiting groove of the float track, so that the float block cannot rise to cause the air suction inlet to be blocked; and the design of the float limiting block ensures that the float limiting block is limited in the float limiting hole when ascending and can be guided to slide downwards when falling.

Preferably, the inside of the floater block is hollow, the cross section of the floater block is U-shaped, the sealing block is arranged at an opening at the upper end of the floater block, and the floater block and the sealing block are connected into a whole through an ultrasonic process. Ultrasonic machining not only overcomes the defect that machining is difficult between the sealing block and the floater block, but also improves machining precision, shortens machining time and improves efficiency.

Preferably, the ratio of the total weight of the float block and the sealing block to the buoyancy of the float block is 0.5-0.7, and the distance from the sealing block to the air suction inlet is greater than one half of the length of the float block and less than the total length of the float block. Through the design of the whole weight of the float block and the sealing block and the design of the sealing block and the air suction inlet, the dust collector can not seal the air suction inlet in advance because the float block is too light when in use, and can not seal the air suction inlet in time because the float block is too heavy, so that the float block and the sealing block which are designed can perfectly overcome the suction force of the dry and wet motor, and are matched with the buoyancy force of the float block.

The utility model has the advantages that: the dual-purpose of drying and wetting can be realized under the principle of the handheld dust collector, and the detection of the liquid amount can be carried out through the float assembly, so that the safe and reliable operation of the dust collector is ensured, and the operation is simple and convenient as that of a common handheld dust collector; the dust removal efficiency is improved, and meanwhile, the reliability of dust removal can be ensured; the service life of the motor main body can be greatly prolonged; the handle assembly is convenient to mount and dismount, and later maintenance is facilitated; the use efficiency of the dust collector is greatly improved; the liquid in the dust cup assembly is prevented from being poured out due to the overlarge rotation angle of the dust collector, so that the use of the dust collector is prevented from being influenced; the sealing performance of the dust collector can be further improved, and the garbage can be prevented from leaking.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic diagram of an exploded structure of the body assembly;

FIG. 4 is a schematic view of the structure of the motor assembly

FIG. 5 is a schematic view of an exploded structure of the handle assembly;

FIG. 6 is an exploded view of the floor brush assembly;

FIG. 7 is an exploded view of the dirt cup assembly;

FIG. 8 is a schematic view of an exploded structure of the float assembly;

FIG. 9 is a schematic view of the construction of the main body of the dirt cup;

fig. 10 is a schematic structural view of the float frame.

In the figure: 1. the dust cup comprises a handle rear cover, 2 handle supports, 3 handle front covers, 4 winding posts, 5 winding springs, 6 inserting posts, 7 inserting post covers, 8 ground brush positioning joints, 9 ground brush clamping rings, 10 ground brush connecting pieces, 11 blow molding throats, 12 ground brush upper covers, 13 ground brush rollers, 14 ground brush bottom covers, 15 dust cup switches, 16 switch springs, 17 dust cup upper covers, 18 dust cup lower covers, 19 dust cup frames, 20 dust cup main bodies, 21 HEPA sealing rings, 22 dust cup sealing rings, 23 float frames, 24 float blocks, 25 power wires, 26 motor front covers, 27 motor sealing rings, 28 dry and wet motors, 29 motor cover sealing rings, 30 power switches, 31 main body rear covers, 32 motor rear covers, 33 HEPA frames, 34 main body supports, 35 main body front covers, 36 inserting posts, 37 ground brush joints, 38. joint sealing ring, 39, handle component, 40, main body component, 41, dust cup component, 42, ground brush component, 43, socket, 44, pipe inserting groove, 45, limiting claw, 46, round column, 47, round clamping hole, 48, motor cavity, 49, air outlet grid, 50, dust cup cavity, 51, first observation window, 52, ground brush cavity, 53, air inlet, 54, air outlet, 55, air inlet mesh, 56, air outlet, 57, switch hole, 58, second observation window, 59, heat radiation component, 60, motor main body, 61, air outlet component, 62, limiting column, 63, positioning column, 64, first positioning hole, 65, limiting hole, 66, first mounting block, 67, second positioning hole, 68, second mounting block, 69, winding mounting seat, 70, plug block, 71, mounting column, 72, positioning rib, 73, positioning rib, 74, buckle, 75, groove, 76 gap, 77 projection, 78. the dust cup comprises an annular groove, 79 rotating shafts, 80 angle limiting blocks, 81 limiting stops, 82 dust suction grooves, 83 ventilation grooves, 84 switch clamping blocks, 85 switch brackets, 86 annular grooves, 87 air suction inlets, 88 semicircular baffles, 89 dust cup handle grooves, 90 sealing blocks, 91 float sliding blocks, 92 float limiting blocks, 93 float mounting seats, 94 float limiting holes, 95 float limiting holes, 96 left flanging, 97 positioning convex rings, 98 float rails, 99 float limiting grooves, 100 air inlet through holes, 101 arc grooves, 102 sliding rails, 103 sliding grooves, 104 air pipes, 105 air exhaust holes, 106 air suction holes, 107 heat dissipation covers, 108 fan covers and 109 heat dissipation seats.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1 and 2, a wet and dry handheld vacuum cleaner structure comprises a handle assembly 39, a main assembly 40, a dust cup assembly 41 and a floor brush assembly 42, wherein the main assembly 40 comprises a main support 34, a main front cover 35, a main rear cover 31 and a motor assembly, a float assembly is arranged in the dust cup assembly 41, a motor cavity 48 is arranged at the upper section of the main support 34, a dust cup cavity 50 is arranged at the middle section of the main support 34, a floor brush cavity 52 is arranged at the lower section of the main support 34, the main front cover 35 is arranged on the main support 34 and is positioned at the position of the motor cavity 48, the main rear cover 31 is arranged on the main support 34 and covers the motor cavity 48, the dust cup cavity 50 and the floor brush cavity 52, the motor assembly is arranged in the motor cavity 48 of the main support 34, the handle assembly 39 is arranged on the main front cover 35, the cup assembly 41 is arranged in the cup cavity 50 of the main support 34, the float assembly is arranged in the dust cup assembly 41 and corresponds to the motor assembly, the floor brush assembly 42 is connected to the floor brush cavity 52 of the body bracket 34.

As shown in fig. 2 and 3, a U-shaped groove is formed at the top end of the main body support 34 and above the motor cavity 48, an upper portion of the main body front cover 35 is installed in the U-shaped groove of the main body support 34, a lower portion of the main body front cover 35 is placed at the motor cavity 48 of the main body support 34, air outlet grilles 49 are symmetrically arranged on the left and right sides of the motor cavity 48 of the main body support 34, a first observation window 51 is arranged at the bottom of a dust cup cavity 50 of the main body support 34, a second observation window 58 matched with the first observation window 51 is arranged on the main body rear cover 31 and at the position where the dust cup cavity 50 is placed, a floor brush joint 37 is arranged in the floor brush cavity 52 of the main body support 34, a joint sealing ring 38 is arranged at the upper end of the floor brush joint 37 and at the joint with the dust cup cavity 50, and the dust cup assembly 41 is placed on the.

As shown in fig. 3 and 4, the motor assembly includes a dry-wet motor 28, a front motor housing 26 and a rear motor housing 32, the dry-wet motor 28 is installed between the front motor housing 26 and the rear motor housing 32, the bottom of the rear motor housing 32 is provided with air inlet meshes 55, the left and right sides of the rear motor housing 32 are symmetrically provided with air outlet holes 56, the inner side of the bottom of the rear motor housing 32 is provided with a motor sealing ring 27, the air inlet meshes 55 are located in the motor sealing ring 27, the dry-wet motor 28 includes a motor main body 60, an air outlet assembly 61 and a heat dissipation assembly 59, the air outlet assembly 61 is installed below the motor main body 60, the heat dissipation assembly 59 is installed above the motor main body 60, the air outlet assembly 61 is disposed in the rear motor housing 32, the motor main body 60 and the heat dissipation assembly 59 are disposed in the front motor housing 26, the lower end face of the air outlet assembly 61 is installed in the rear motor housing 32 through the motor sealing, the edge of the upper end face of the air outlet assembly 61 is provided with a motor cover sealing ring 29, the motor front cover 26 is connected with the motor rear cover 32 in a sealing mode through the motor cover sealing ring 29, the upper end of the motor front cover 26 is provided with an air inlet 53, the position of the main body rear cover 31 where the motor cavity 48 is located is provided with an air inlet grid, the air inlet grid on the main body rear cover 31 is matched with the air inlet 53 on the motor front cover 26, the side face of the motor front cover 26 is provided with an air outlet 54, the air outlet 56 of the motor rear cover 32 and the air outlet 54 of the motor front cover 26 are both butted with the air outlet grid 49 of the main body support 34, the main body rear cover 31 is provided with a switch hole 57 and a power cord 25, the switch hole 57 is internally provided with a power supply.

As shown in fig. 3 and 4, the air outlet assembly 61 includes a fan cover 108, a movable impeller and a fan base, the fan cover 108 is mounted on the fan base, an internal cavity is formed between the fan cover 108 and the fan base, the movable impeller is disposed in the internal cavity, the cross-sectional shape of the fan cover 108 is U-shaped, an air exhaust hole 106 is formed in the middle of the bottom of the fan cover 108, the air exhaust hole 106 is communicated with the internal cavity, the air exhaust hole 106 in the bottom of the fan cover 108 is butted with an air inlet mesh 55 of the motor rear cover 32, a plurality of air exhaust holes 105 are uniformly distributed on the side surface of the fan cover 108, the air exhaust holes 105 are communicated with the internal cavity, the air exhaust holes 105 on the side surface of the fan cover 108 are butted with an air outlet 56 of the motor rear cover 32, the motor main body 60 includes a stator and a rotor, the rotor is mounted in the stator, the stator of the motor main body 60 is mounted on the fan base, the motor comprises a heat dissipation fan and a heat dissipation seat 109, wherein the heat dissipation seat 109 is installed on a stator of the motor main body 60, a rotor of the motor main body 60 penetrates through the heat dissipation seat 109 and then is connected with the heat dissipation fan, a heat dissipation cover 107 is installed on the heat dissipation seat 109 and is clamped with the heat dissipation seat 109, the heat dissipation fan is arranged in the heat dissipation cover 107, and a heat dissipation grid is arranged at the bottom of the heat dissipation cover 107 and at a position corresponding to the heat dissipation fan.

As shown in fig. 2 and 5, the handle assembly 39 includes a handle support 2, a handle front cover 3, a handle rear cover 1, an insertion tube column 6 and an insertion tube cover 7, the handle front cover 3 and the handle rear cover 1 are mounted on the handle support 2, a limiting column 62 is disposed at the lower end of the handle support 2, a positioning column 63 is disposed at the lower end of the handle rear cover 1, a positioning screw hole matched with the positioning column 63 is disposed at the lower end of the handle front cover 3, a first mounting block 66 is disposed at the upper end of the insertion tube column 6, a limiting hole 65 matched with the limiting column 62 is disposed at the upper portion of the first mounting block 66, a first positioning hole 64 is disposed at the lower portion of the first mounting block 66, a second mounting block 68 is disposed at the upper end of the insertion tube cover 7, a second positioning hole 67 is disposed on the second mounting block 68, the insertion tube column 6 is limited on the handle support 2 through the matching of the limiting column 62 and the limiting hole 65, the positioning column 63 of the handle rear cover 1 sequentially passes through the second positioning hole 67 of the insertion tube cover 7 and connect, the intubate lid 7 is installed on intubate post 6, the lower extreme of intubate lid 7 is equipped with inserted block 70, the upper portion of main part protecgulum 35 be equipped with inserted block 70 assorted socket 43, be equipped with circular fixture block on the inserted block 70, the U type inslot of main part support 34 is equipped with circular post 46, be equipped with on the circular post 46 with circular fixture block assorted circular card hole 47, the lower part of main part protecgulum 35 is equipped with intubate groove 44, be equipped with intubate core 36 in the intubate groove 44, the lower extreme of intubate post 6 is installed on the intubate core 36 of main part protecgulum 35, the lower extreme of main part protecgulum 35 is equipped with spacing claw 45, the main part protecgulum 35 is installed.

As shown in fig. 5, both ends all are equipped with wire winding mount pad 69 about the side of intubate lid 7, be equipped with wrapping post 4 on the wire winding mount pad 69, wrapping post 4 shape is the L type, the one end of wrapping post 4 is equipped with erection column 71, be equipped with on the wire winding mount pad 69 with erection column 71 assorted mounting hole, be equipped with wire winding spring 5 on the erection column 71, wrapping post 4 passes through erection column 71 and wire winding spring 5 and installs in wire winding mount pad 69's mounting hole, wrapping post 4 rotates with wire winding mount pad 69 and is connected, be equipped with location muscle 72 on the terminal surface that wrapping post 4 was equipped with erection column 71, be equipped with on wire winding mount pad 69's the terminal surface with location muscle 72 assorted constant head tank, the straight line at constant head tank place is parallel to each other with.

As shown in fig. 2 and 6, the floor brush assembly 42 comprises a floor brush bottom cover 14, a floor brush upper cover 12, a floor brush connecting piece 10 and a floor brush positioning joint 8, wherein one end of the floor brush connecting piece 10 is installed between the floor brush bottom cover 14 and the floor brush upper cover 12, the other end of the floor brush connecting piece 10 is installed at one end of the floor brush positioning joint 8, the other end of the floor brush positioning joint 8 is installed in the floor brush joint 37, and the floor brush rollers 13 are respectively arranged at the left side and the right side of the floor brush upper cover 12. The bottom of scrubbing brush bottom 14 is equipped with dust absorption groove 82, be equipped with ventilation groove 83 in the scrubbing brush bottom 14, ventilation groove 83 and dust absorption groove 82 intercommunication, both sides all are equipped with the rotation groove about ventilation groove 83, both sides all are equipped with axis of rotation 79 about the lower extreme of scrubbing brush connecting piece 10, be equipped with limit stop 81 on the axis of rotation 79 on the left side of scrubbing brush connecting piece 10, the rotation inslot on the left side of ventilation groove 83 is arranged in to limit stop 81, be equipped with angle stopper 80 on the axis of rotation 79 on the right of scrubbing brush connecting piece 10, the rotation inslot on the right of ventilation groove 83 is arranged in to angle stopper 80. The upper end of the floor brush connecting piece 10 is provided with an annular groove 78, the annular groove 78 is internally provided with a floor brush clamping ring 9, the floor brush clamping ring 9 is provided with a notch 76, the upper edge of the outer side of the floor brush clamping ring 9 is uniformly provided with a plurality of protrusions 77, the lower edge of the floor brush positioning joint 8 is provided with a groove 75 corresponding to the protrusions 77 and a buckle 74 matched with the notch 76, the side surface of the floor brush positioning joint 8 is provided with a positioning convex edge 73, the floor brush joint 37 is internally provided with a positioning groove 75 matched with the positioning convex edge 73, the floor brush positioning joint 8 is internally provided with a blow molding throat 11, one end of the blow molding throat 11 passes through the floor brush connecting piece 10 and then is communicated with a ventilation groove 83 in the floor brush bottom cover 14, and the other end of the blow molding throat.

As shown in fig. 2, 7 and 9, the dust cup assembly 41 includes a dust cup main body 20, a dust cup upper cover 17 and a dust cup lower cover 18, an air inlet through hole 100 is formed at the bottom of the dust cup main body 20, a positioning protruding ring 97 is disposed at the bottom of the dust cup main body 20 and outside the air inlet through hole 100, the dust cup main body 20 is mounted on the floor brush connector 37 through the positioning protruding ring 97 and the connector sealing ring 38, the dust cup lower cover 18 is mounted at the upper end of the dust cup main body 20, a float assembly is mounted below the dust cup lower cover 18, the float assembly is disposed in the dust cup main body 20, the dust cup upper cover 17 is mounted on the dust cup lower cover 18, a switch assembly is disposed on the dust cup upper cover 17, the dust cup upper cover 17 is connected with the insertion tube groove 44 of the main body front cover 35 through the switch assembly, a sea handkerchief assembly is disposed in the dust cup upper cover 17, and the dust cup upper cover 17 is connected with the motor. The switch assembly comprises a dust cup switch 15 and a switch spring 16, a switch support 85 is arranged on a dust cup upper cover 17, the dust cup switch 15 is arranged in the switch support 85, one end of the switch spring 16 is arranged in the switch support 85, the other end of the switch spring 16 is arranged on the dust cup switch 15, a sliding groove 103 is formed in the switch support 85, a sliding rail 102 matched with the sliding groove 103 is arranged on the dust cup switch 15, the dust cup switch 15 is in sliding connection with the switch support 85 through the matching of the sliding rail 102 and the sliding groove 103, a switch clamping block 84 is arranged at the upper end of the dust cup switch 15, and a switch clamping hole matched with the switch clamping block 84 is formed in an insertion tube groove 44 of the main body front cover 35. The HEPA component comprises a HEPA frame 33, HEPA filter paper and a HEPA sealing ring 21, the HEPA frame 33 is arranged on the upper cover 17 of the dust cup, the HEPA filter paper is arranged in the HEPA frame 33, the HEPA sealing ring 21 is arranged on the HEPA frame 33, the air inlet mesh holes 55 on the rear cover 32 of the motor are arranged in the HEPA sealing ring 21, and the upper cover 17 of the dust cup is connected with the rear cover 32 of the motor in a sealing mode through the HEPA sealing ring 21 on the HEPA frame 33. An air suction inlet 87 is arranged on the dust cup lower cover 18, the floater assembly is arranged at the position of the air suction inlet 87 of the dust cup lower cover 18, an annular groove 86 is arranged on the side surface of the dust cup lower cover 18 and close to the upper edge, a dust cup sealing ring 22 is arranged in the annular groove 86, the dust cup lower cover 18 is hermetically connected with the dust cup main body 20 through the dust cup sealing ring 22, a semicircular baffle plate 88 is arranged at the bottom of the dust cup lower cover 18, an air inlet pipe 104 is arranged in the dust cup main body 20 and at the position of the air inlet through hole 100, one end of the air inlet pipe 104 is arranged at the position of the air inlet through hole 100, the other end of the air inlet pipe 104 is arranged on the inner side of the semicircular baffle plate 88, the air suction inlet 87 is arranged on the outer side of the semicircular baffle plate 88, a dust cup holder.

As shown in fig. 7, 8 and 10, the float assembly includes a float frame 23 and a float block 24, the float frame 23 is tubular, a float mounting seat 93 is disposed at an upper end of the float frame 23, the float frame 23 is mounted on the dust cup lower cover 18 through the float mounting seat 93, the float frame 23 is disposed at a position of an air suction inlet 87 of the dust cup lower cover 18 and covers the air suction inlet 87, the float block 24 is disposed in the float frame 23, an opening flange is disposed at a lower end of the float frame 23, the opening flange includes a left flange 95 and a right flange 96, the float frame 23 contacts with the dust cup main body 20 through the left flange 95, an arc-shaped groove 101 matched with the air inlet pipe 104 is disposed on the right flange 96, and the float frame 23 contacts with the air inlet pipe 104 through the arc-shaped groove 101 on the right flange 96. The upper end of the floater block 24 is provided with a sealing block 90, the size of the sealing block 90 is larger than or equal to that of the air suction inlet 87, the left side and the right side of the floater frame 23 are symmetrically provided with floater rails 98, the lower end of the floater rail 98 is provided with a floater limiting groove 99, the left side and the right side of the floater block 24 are symmetrically provided with floater sliding blocks 91 matched with the floater rails 98, the floater sliding blocks 91 are arranged at the upper end of the floater block 24, the side surface of the lower end of the floater block 24 is provided with a floater limiting block 92, the cross section of the floater limiting block 92 is in a right triangle shape, the inclined surface of the floater limiting block 92 faces downwards, and the side surface. The floater block 24 is hollow, the cross section of the floater block 24 is U-shaped, the sealing block 90 is arranged at an opening at the upper end of the floater block 24, and the floater block 24 and the sealing block 90 are connected into a whole through an ultrasonic process. The ratio of the total weight of the float block 24 and the seal block 90 to the buoyancy of the float block 24 is 0.5-0.7, and the distance from the seal block 90 to the suction inlet 87 is greater than one-half of the length of the float block 24 and less than the entire length of the float block 24.

When not in use, the power line 25 is wound between the two wrapping posts 4, and the two wrapping posts 4 are arranged in a back-to-back manner, so that the power line 25 cannot fall out of the wrapping posts 4. When in use, the two winding posts 4 only need to be rotated in the opposite directions, so that the two winding posts 4 are oppositely arranged, the power cord 25 can be directly taken down from the winding posts 4, it is not necessary to perform a reverse winding process for obtaining the power cord 25, and then turn on the power switch 30 to operate the motor main body 60, thereby driving the air outlet component 61 and the heat dissipation component 59 to work, wherein the air outlet component 61 is used for dust collection operation, the heat dissipation component 59 is used for heat dissipation operation of the motor main body 60, the air inlet position of the air outlet component 61 is a dust collection groove 82, the air inlet position of the heat dissipation component 59 is an air inlet grid on the main body rear cover 31, the air outlet positions of the air outlet assembly 61 and the heat dissipation assembly 59 are the air outlet grids 49 of the main body bracket 34, the air outlet position of the air outlet assembly 61 is isolated from the air outlet position of the heat dissipation assembly 59, and the air outlet position are not affected with each other and belong to two different air circulation loops. (a) When the vacuum cleaner is used for absorbing solid garbage, the solid garbage on the ground is firstly absorbed by the dust absorption groove 82, enters the blow molding throat pipe 11 through the ventilation groove 83, enters the air inlet pipe 104 of the dust cup main body 20 after passing through the blow molding throat pipe 11, and the solid garbage coming out of the air inlet pipe 104 is directly impacted on the dust cup lower cover 18 and then falls back to the bottom of the dust cup main body 20 because the solid garbage is not directly absorbed into the air suction inlet 87 under the action of the semicircular baffle 88. (b) When the vacuum cleaner absorbs liquid garbage, firstly the liquid garbage on the ground is absorbed through the dust absorption groove 82, enters the blow molding throat pipe 11 through the ventilation groove 83, enters the air inlet pipe 104 of the dust cup main body 20 after passing through the blow molding throat pipe 11, the liquid garbage coming out of the air inlet pipe 104 is not directly sucked into the air suction inlet 87 under the action of the semicircular baffle 88, but directly hits on the dust cup lower cover 18 and then falls back to the bottom of the dust cup main body 20 along the edge of the semicircular baffle 88, and is slowly accumulated in the dust cup main body 20, and the floater block 24 slowly floats in the floater under the action of the liquid in the dust cup main body 20 until the sealing block 90 at the upper end of the floater block 24 is in contact with and sealed with the air suction inlet 87, and the motor main body 60 automatically stops working. When solid and liquid garbage in the dust cup main body 20 is dumped, the dust cup upper cover 17 is separated from the main body front cover 35 by pressing the dust cup switch 15, an operator takes the dust cup main body 20 out of the dust cup cavity 50 of the main body bracket 34 through the dust cup lifting groove 89 on the dust cup holder 19, then lifts the dust cup lower cover 18 to separate the dust cup main body 20, the solid and liquid garbage in the dust cup main body 20 is dumped, and the dust cup main body 20 is reset after the dumping.

Claims

1. A wet and dry hand-held dust collector structure is characterized by comprising a handle assembly (39), a main body assembly (40), a dust cup assembly (41) and a floor brush assembly (42), wherein the main body assembly (40) comprises a main body support (34), a main body front cover (35), a main body rear cover (31) and a motor assembly, a floater assembly is arranged in the dust cup assembly (41), a motor cavity (48) is arranged at the upper section of the main body support (34), a dust cup cavity (50) is arranged at the middle section of the main body support (34), a floor brush cavity (52) is arranged at the lower section of the main body support (34), the main body front cover (35) is arranged on the main body support (34) and is positioned at the position of the motor cavity (48), the main body rear cover (31) is arranged on the main body support (34) and covers the motor cavity (48), the dust cup cavity (50) and the floor brush cavity (52), the electric motor assembly is arranged in a motor cavity (48) of the main body support (34), the handle assembly (39) is installed on the main body front cover (35), the dust cup assembly (41) is installed in a dust cup cavity (50) of the main body support (34), the floater assembly is installed in the dust cup assembly (41) and corresponds to the electric motor assembly up and down, and the floor brush assembly (42) is connected with a floor brush cavity (52) of the main body support (34).

2. The hand-held vacuum cleaner structure for dry and wet use according to claim 1, wherein a U-shaped groove is formed at the top end of the main body support (34) and above the motor cavity (48), the upper part of the main body front cover (35) is installed in the U-shaped groove of the main body support (34), the lower part of the main body front cover (35) is arranged at the motor cavity (48) of the main body support (34), air outlet grids (49) are symmetrically arranged at the left and right sides of the motor cavity (48) of the main body support (34), a first observation window (51) is arranged at the bottom of the dust cup cavity (50) of the main body support (34), a second observation window (58) matched with the first observation window (51) is arranged at the position of the dust cup cavity (50) on the main body rear cover (31), a ground brush joint (37) is arranged in the ground brush cavity (52) of the main body support (34), and a joint sealing ring (38) is arranged at the upper end of the ground brush joint (37) and the position of the dust cup cavity (50) ) The dust cup assembly (41) is arranged on the ground brush joint (37) and is connected with the ground brush joint (37) in a sealing mode through a joint sealing ring (38).

3. The hand-held vacuum cleaner structure for dry and wet use according to claim 2, wherein the motor assembly comprises a dry and wet motor (28), a motor front cover (26) and a motor rear cover (32), the dry and wet motor (28) is installed between the motor front cover (26) and the motor rear cover (32), the bottom of the motor rear cover (32) is provided with air inlet meshes (55), the left and right sides of the motor rear cover (32) are symmetrically provided with air outlet holes (56), the inner side of the bottom of the motor rear cover (32) is provided with a motor sealing ring (27), the air inlet meshes (55) are positioned in the motor sealing ring (27), the dry and wet motor (28) comprises a motor main body (60), an air outlet assembly (61) and a heat dissipation assembly (59), the air outlet assembly (61) is installed below the motor main body (60), and the heat dissipation assembly (59) is installed above the motor main body (60), the air outlet assembly (61) is arranged in the motor rear cover (32), the motor main body (60) and the heat dissipation assembly (59) are arranged in the motor front cover (26), the lower end face of the air outlet assembly (61) is installed in the motor rear cover (32) through a motor sealing ring (27), the side face of the air outlet assembly (61) is communicated with an air outlet hole (56) of the motor rear cover (32), the upper end face edge of the air outlet assembly (61) is provided with a motor cover sealing ring (29), the motor front cover (26) is in sealing connection with the motor rear cover (32) through the motor cover sealing ring (29), the upper end of the motor front cover (26) is provided with an air inlet (53), the main body rear cover (31) is provided with an air inlet grid at the position where the motor cavity (48) is located, the air inlet grid on the main body rear cover (31) is matched with the air inlet (53) on the motor front cover (26), the side of motor front shroud (26) is equipped with air outlet (54), exhaust vent (56) of motor rear shroud (32) and air outlet (54) of motor front shroud (26) all dock with air-out grid (49) of main part support (34), main part back cover (31) on be equipped with switch hole (57) and power cord (25), switch hole (57) in be equipped with switch (30), power cord (25) be connected with motor main part (60) through switch (30).

4. The hand-held vacuum cleaner structure for dry and wet use according to claim 3, wherein the air outlet assembly (61) comprises a fan cover (108), a movable impeller and a fan base, the fan cover (108) is mounted on the fan base, an internal cavity is formed between the fan cover (108) and the fan base, the movable impeller is arranged in the internal cavity, the cross section of the fan cover (108) is U-shaped, an air suction hole (106) is formed in the middle of the bottom of the fan cover (108), the air suction hole (106) is communicated with the internal cavity, the air suction hole (106) in the bottom of the fan cover (108) is in butt joint with an air inlet mesh (55) of the motor rear cover (32), a plurality of air exhaust holes (105) are uniformly distributed on the side of the fan cover (108), the air exhaust holes (105) are communicated with the internal cavity, the air exhaust holes (105) in the side of the fan cover (108) are in butt joint with an air outlet hole (56) of the motor rear cover (32), motor main part (60) include stator and rotor, the rotor install in the stator, the stator of motor main part (60) is installed on the fan seat, the rotor of motor main part (60) pass behind the fan seat and be connected with the movable impeller, radiator unit (59) including heat dissipation cover (107), radiator fan and radiating seat (109), radiating seat (109) install on the stator of motor main part (60), the rotor of motor main part (60) pass behind radiating seat (109) and be connected with radiator fan, heat dissipation cover (107) install on radiating seat (109) and with radiating seat (109) joint, radiator fan arrange in radiator cover (107), the bottom of radiator cover (107) and with the corresponding position department of radiator fan be equipped with radiator grille.

5. The hand-held vacuum cleaner structure for dry and wet use according to claim 3 or 4, wherein the handle assembly (39) comprises a handle support (2), a handle front cover (3), a handle rear cover (1), an insertion tube column (6) and an insertion tube cover (7), the handle front cover (3) and the handle rear cover (1) are mounted on the handle support (2), the lower end of the handle support (2) is provided with a limit column (62), the lower end of the handle rear cover (1) is provided with a positioning column (63), the lower end of the handle front cover (3) is provided with a positioning screw hole matched with the positioning column (63), the upper end of the insertion tube column (6) is provided with a first mounting block (66), the upper part of the first mounting block (66) is provided with a limiting hole (65) matched with the limit column (62), the lower part of the first mounting block (66) is provided with a first positioning hole (64), the upper end of the cannula cover (7) is provided with a second mounting block (68), the second mounting block (68) is provided with a second positioning hole (67), the cannula column (6) is limited on the handle bracket (2) through the matching of a limiting column (62) and a limiting hole (65), a positioning column (63) of the handle rear cover (1) sequentially penetrates through the second positioning hole (67) of the cannula cover (7) and a first positioning hole (64) of the cannula column (6) to be in threaded connection with a positioning screw hole of the handle front cover (3), the cannula cover (7) is mounted on the cannula column (6), the lower end of the cannula cover (7) is provided with an insertion block (70), the upper part of the main body front cover (35) is provided with a socket (43) matched with the insertion block (70), the insertion block (70) is provided with a circular clamping block, a circular column (46) is arranged in a U-shaped groove of the main body bracket (34), circular post (46) on be equipped with circular fixture block assorted circular card hole (47), the lower part of main part protecgulum (35) is equipped with intubation groove (44), intubation groove (44) in be equipped with intubation core (36), the lower extreme of intubation column (6) is installed on intubation core (36) of main part protecgulum (35), the lower extreme of main part protecgulum (35) is equipped with spacing claw (45), main part protecgulum (35) install on motor element through spacing claw (45).

6. The hand-held vacuum cleaner structure for dry and wet use according to claim 5, wherein the upper and lower ends of the side surface of the cannula cover (7) are provided with winding mounting seats (69), the winding mounting seats (69) are provided with winding posts (4), the winding posts (4) are L-shaped, one ends of the winding posts (4) are provided with mounting posts (71), the winding mounting seats (69) are provided with mounting holes matched with the mounting posts (71), the mounting posts (71) are provided with winding springs (5), the winding posts (4) are mounted in the mounting holes of the winding mounting seats (69) through the mounting posts (71) and the winding springs (5), the winding posts (4) are rotatably connected with the winding mounting seats (69), the end surfaces of the winding posts (4) provided with the mounting posts (71) are provided with positioning ribs (72), the end face of the winding installation seat (69) is provided with a positioning groove matched with the positioning rib (72), and the straight line where the positioning groove is located is parallel to the straight line where the cannula cover (7) is located.

7. The structure of the hand-held vacuum cleaner for dry and wet use as claimed in claim 2, wherein the floor brush assembly (42) comprises a floor brush bottom cover (14), a floor brush top cover (12), a floor brush connecting piece (10) and a floor brush positioning joint (8), one end of the floor brush connecting piece (10) is arranged between the floor brush bottom cover (14) and the floor brush top cover (12), the other end of the floor brush connecting piece (10) is arranged at one end of the floor brush positioning joint (8), the other end of the floor brush positioning joint (8) is arranged in the floor brush joint (37), and the floor brush rollers (13) are arranged at the left side and the right side of the floor brush top cover (12).

8. The structure of a hand-held wet and dry cleaner as claimed in claim 7, the bottom of the floor brush bottom cover (14) is provided with a dust absorption groove (82), the floor brush bottom cover (14) is internally provided with a ventilation groove (83), the ventilating groove (83) is communicated with the dust absorption groove (82), the left side and the right side of the ventilating groove (83) are both provided with a rotating groove, the left side and the right side of the lower end of the floor brush connecting piece (10) are both provided with rotating shafts (79), a limit stop block (81) is arranged on the rotating shaft (79) on the left side of the floor brush connecting piece (10), the limit stop (81) is arranged in the rotating groove at the left side of the ventilating groove (83), an angle limiting block (80) is arranged on a rotating shaft (79) on the right side of the floor brush connecting piece (10), the angle limiting block (80) is arranged in the rotating groove on the right side of the ventilating groove (83).

9. The structure of the hand-held vacuum cleaner for dry and wet use as claimed in claim 8, wherein the upper end of the floor brush connecting piece (10) is provided with an annular groove (78), the annular groove (78) is internally provided with a floor brush collar (9), the floor brush collar (9) is provided with a notch (76), the upper edge of the outer side of the floor brush collar (9) is uniformly distributed with a plurality of protrusions (77), the lower edge of the floor brush positioning joint (8) is provided with a groove (75) corresponding to the protrusion (77) and a buckle (74) matched with the notch (76), the side surface of the floor brush positioning joint (8) is provided with a positioning convex rib (73), the floor brush joint (37) is internally provided with a positioning groove (75) matched with the positioning convex rib (73), the floor brush positioning joint (8) is internally provided with a blow molding throat (11), and one end of the blow molding throat (11) passes through the floor brush connecting piece (10) and then is connected with a ventilation groove in a floor brush bottom cover (14) (83) And the other end of the blow molding throat pipe (11) is arranged in the floor brush positioning joint (8) and is connected with the joint sealing ring (38).

10. The hand-held vacuum cleaner structure for wet and dry use according to claim 5, wherein the dust cup assembly (41) comprises a dust cup main body (20), a dust cup upper cover (17) and a dust cup lower cover (18), the bottom of the dust cup main body (20) is provided with an air inlet through hole (100), the bottom of the dust cup main body (20) and the outer side of the air inlet through hole (100) are provided with a positioning convex ring (97), the dust cup main body (20) is arranged on the floor brush joint (37) through the matching of the positioning convex ring (97) and the joint sealing ring (38), the dust cup lower cover (18) is arranged at the upper end of the dust cup main body (20), the float assembly is arranged below the dust cup lower cover (18), the float assembly is arranged in the dust cup main body (20), the dust cup upper cover (17) is arranged on the dust cup lower cover (18), and the dust cup upper cover (17) is provided with a switch assembly, the dust cup upper cover (17) is connected with an insertion pipe groove (44) of the main body front cover (35) through a switch assembly, a HEPA assembly is arranged in the dust cup upper cover (17), and the dust cup upper cover (17) is connected with the motor rear cover (32) in a sealing mode through the HEPA assembly.

11. The hand-held vacuum cleaner structure for dry and wet use according to claim 10, wherein the switch assembly comprises a dust cup switch (15) and a switch spring (16), the upper cover (17) of the dust cup is provided with a switch bracket (85), the dust cup switch (15) is installed in the switch bracket (85), one end of the switch spring (16) is installed in the switch bracket (85), the other end of the switch spring (16) is installed on the dust cup switch (15), the switch bracket (85) is provided with a chute (103), the dust cup switch (15) is provided with a slide rail (102) matched with the chute (103), the dust cup switch (15) is slidably connected with the switch bracket (85) through the matching of the slide rail (102) and the chute (103), the upper end of the dust cup switch (15) is provided with a switch clamping block (84), and a switch clamping hole matched with the switch clamping block (84) is formed in the cannula inserting groove (44) of the main body front cover (35).

12. The wet and dry handheld vacuum cleaner structure as claimed in claim 10, wherein the HEPA assembly comprises a HEPA frame (33), HEPA filter paper and a HEPA seal ring (21), the HEPA frame (33) is mounted on the upper cover (17) of the dust cup, the HEPA filter paper is mounted in the HEPA frame (33), the HEPA seal ring (21) is mounted on the HEPA frame (33), the air inlet mesh holes (55) on the rear cover (32) of the motor are arranged in the HEPA seal ring (21), and the upper cover (17) of the dust cup is connected with the rear cover (32) of the motor in a sealing manner through the HEPA seal ring (21) on the HEPA frame (33).

13. The hand-held vacuum cleaner structure for dry and wet use according to claim 10, wherein the dust cup lower cover (18) is provided with an air suction inlet (87), the float assembly is installed at the position of the air suction inlet (87) of the dust cup lower cover (18), the side surface of the dust cup lower cover (18) and the position close to the upper edge are provided with an annular groove (86), the annular groove (86) is internally provided with a dust cup sealing ring (22), the dust cup lower cover (18) is hermetically connected with the dust cup main body (20) through the dust cup sealing ring (22), the bottom of the dust cup lower cover (18) is provided with a semicircular baffle plate (88), the dust cup main body (20) is provided with an air inlet pipe (104) at the position of the air inlet through hole (100), one end of the air inlet pipe (104) is arranged at the position of the air inlet through hole (100), and the other end of the air inlet pipe (104) is arranged at the inner side of the semicircular baffle plate (88), the dust cup is characterized in that the air suction inlet (87) is arranged on the outer side of the semicircular baffle (88), the dust cup frame (19) is arranged on the outer side of the dust cup main body (20), and the dust cup frame (19) is provided with a dust cup lifting groove (89).

14. The hand-held vacuum cleaner structure for dry and wet use according to claim 13, wherein the float assembly comprises a float frame (23) and a float block (24), the float frame (23) is tubular, a float mounting seat (93) is provided at the upper end of the float frame (23), the float frame (23) is mounted on the dust cup lower cover (18) through the float mounting seat (93), the float frame (23) is disposed at the position of the air suction inlet (87) of the dust cup lower cover (18) and covers the air suction inlet (87), the float block (24) is disposed in the float frame (23), the lower end of the float frame (23) is provided with an opening flange, the opening flange comprises a left flange (95) and a right flange (96), the float frame (23) is in contact with the dust cup main body (20) through the left flange (95), the right flange (96) is provided with an arc-shaped groove (101) matched with the air inlet pipe (104), the float frame (23) is contacted with the air inlet pipe (104) through an arc-shaped groove (101) on the right flanging (96).

15. The structure of a hand-held wet and dry cleaner as claimed in claim 14, the upper end of the float block (24) is provided with a sealing block (90), the size of the sealing block (90) is larger than or equal to that of the air suction inlet (87), floater rails (98) are symmetrically arranged at the left side and the right side of the floater frame (23), a floater limiting groove (99) is arranged at the lower end of each floater rail (98), the left side and the right side of the float block (24) are symmetrically provided with float slide blocks (91) matched with the float tracks (98), the floater sliding block (91) is arranged at the upper end of the floater block (24), the side surface of the lower end of the floater block (24) is provided with a floater limiting block (92), the cross section of the floater limiting block (92) is in the shape of a right triangle, the inclined plane of the floater limiting block (92) faces downwards, and a floater limiting hole (94) matched with the floater limiting block (92) is formed in the side surface of the floater frame (23).

16. The wet and dry hand-held vacuum cleaner structure as claimed in claim 15, wherein the floater block (24) is hollow, the cross section of the floater block (24) is U-shaped, the sealing block (90) is installed at the upper opening of the floater block (24), and the floater block (24) and the sealing block (90) are integrated through ultrasonic process.

17. The structure of the hand-held wet and dry cleaner as claimed in claim 15, wherein the ratio of the total weight of the float block (24) and the sealing block (90) to the buoyancy of the float block (24) is 0.5-0.7, and the distance from the sealing block (90) to the air suction inlet (87) is greater than one-half of the length of the float block (24) and less than the total length of the float block (24).