A two-in-one vacuum cleaner

Abstract

The application discloses a two-in-one vacuum cleaner, wherein the cleaning head assembly comprises a dust suction port and a mopping structure, the body assembly comprises a negative pressure device, a dust cup assembly is embedded in the lower part of the body assembly, the negative pressure device is arranged above the dust cup assembly, and a handle assembly is arranged above the body assembly; the body assembly and the dust cup assembly are close to the lower end of the two-in-one vacuum cleaner, so that the gravity center of the two-in-one vacuum cleaner is located below the center line of the whole machine. The vacuum cleaner can be used for dust suction and mopping, the body assembly and the dust cup assembly are arranged below the whole machine, the gravity center of the vacuum cleaner is relatively low, and the hand holding is more labor-saving.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cleaning equipment, in particular to a two-in-one vacuum cleaner. BACKGROUND

[0002] The ordinary vacuum cleaner on the market generally comprises a motor, a casing, a dust collecting box, a filter and a suction head, and if having water filtering function, it also has a water cup, and after the above components are integrated, the overall weight of the vacuum cleaner is large and the volume is bulky. In addition, most vacuum cleaners need external power supply when working, and the power cord is exposed, which also affects the appearance and use convenience. Therefore, handheld vacuum cleaners enter the market and are widely praised.

[0003] The handheld vacuum cleaner is a form of household vacuum cleaner, which has the advantages of light appearance, convenient operation and wide application range, and has certain market potential. However, the current market handheld vacuum cleaner is mostly mini type, which has relatively single function and can only be applied to small area household cleaning, and has small battery capacity, low power and low cost performance. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the purpose of the present application is to provide a two-in-one vacuum cleaner which can be used for dust collection and mopping, and the machine body assembly and dust cup assembly are collectively placed at the lower part, so that the center of gravity of the vacuum cleaner is relatively low and the hand holding is more labor-saving.

[0005] The purpose of the present application is achieved by adopting the following technical solutions:

[0006] A two-in-one vacuum cleaner comprises:

[0007] A cleaning head assembly comprising a dust suction port, a dust suction pipeline and a mopping structure, the dust suction port being in communication with the dust suction pipeline;

[0008] A machine body assembly arranged above the cleaning head assembly, the machine body assembly comprising a negative pressure device;

[0009] A dust cup assembly embeddedly arranged at the lower part of the machine body assembly and in communication with the dust suction pipeline in the cleaning head assembly, the negative pressure device being arranged above the dust cup assembly, the dust cup assembly comprising a cup body and a filter;

[0010] A handle assembly arranged above the machine body assembly, connected with the machine body assembly and used for hand holding; wherein the machine body assembly and the dust cup assembly are both close to the lower end of the two-in-one vacuum cleaner, so that the center of gravity of the two-in-one vacuum cleaner is located below the center line of the whole machine; a connecting assembly is arranged between the machine body assembly and the cleaning head assembly, one end of the dust suction pipeline is located in the connecting assembly and in communication with the machine body assembly.

[0011] Preferably, the overall length of the two-in-one vacuum cleaner is L2, the distance from the suction port to the top end of the dust cup assembly is L1, and the ratio of L1 / L2 ranges between 1 / 5 and 2 / 5.

[0012] Preferably, the mopping structure comprises a cleaning shell, a cleaning body, and a cleaning agent placing slot, the cleaning body is arranged on the lower surface of the cleaning shell, the cleaning agent placing slot is arranged on the cleaning shell at a position corresponding to the cleaning body, and the bottom of the cleaning agent placing slot is provided with a through hole communicating the cleaning agent placing slot and the cleaning body.

[0013] Preferably, the cleaning body comprises a first cleaning body, a second cleaning body, and a sponge, the first cleaning body and the second cleaning body are arranged in front of and behind each other, and the sponge is arranged between the first cleaning body and the second cleaning body; the mopping structure further comprises a foot pedal, the foot pedal is elastically connected with the cleaning shell, the lower part of the foot pedal is located in the cleaning shell, and the upper part of the foot pedal is exposed from the cleaning shell, the cleaning agent placing slot is arranged on the upper part of the foot pedal, the sponge is located below the foot pedal, and an elastic member is arranged between the lower part of the foot pedal and the bottom plate of the cleaning shell to press the sponge when the foot pedal is pressed down.

[0014] Preferably, the mopping structure comprises a cleaning shell, the lower surface of the cleaning shell comprises a first mounting surface for arranging a wet cleaning body and a second mounting surface for arranging a dry cleaning body, the first mounting surface is located on the front side of the second mounting surface, the first mounting surface and the second mounting surface are arranged in the same plane and are provided with at least two cleaning bodies, the cleaning bodies are arranged in front of and behind each other, and the cleaning bodies on the first mounting surface are first cleaning bodies, and the cleaning bodies on the second mounting surface are second cleaning bodies.

[0015] Preferably, the machine body assembly comprises a machine body shell, the machine body shell is provided with a placing cavity for placing the dust cup assembly, the placing cavity is open on one side, a clamping assembly is arranged between the cup body and the placing cavity, the clamping assembly comprises a positioning hole arranged on the outer wall of the cup body and an elastic lock key arranged in the placing cavity, the top end of the elastic lock key is matched with the positioning hole to realize the connection or separation of the dust cup assembly and the placing cavity.

[0016] Preferably, the dust cup assembly is provided with an air inlet, the air inlet is communicated with the suction pipeline to introduce air flow into the dust cup assembly, and an air hole is arranged between the dust cup assembly and the negative pressure device, and the air hole is concentrically arranged with the air inlet.

[0017] Preferably, the filter is arranged at the top of the cup; the cup is communicated with the negative pressure device, and an arc-shaped air deflector is arranged between the cup and the negative pressure device; the arc-shaped air deflector is arranged in an inclined manner, and a vertical distance difference is formed between the top and the bottom, and the included angle is 10°-20°; a gas hole is arranged in the middle of the arc-shaped air deflector, and the gas hole is used for communicating the cup and the negative pressure device.

[0018] Preferably, the negative pressure device comprises a fan motor, the fan motor is arranged above the dust cup assembly and communicated with the dust cup assembly, a battery is arranged above the fan motor, and a top of the machine body assembly is provided with an air outlet, so that air flow flows out from the dust cup assembly, passes through the fan motor and the battery.

[0019] Preferably, a top of the machine body shell is provided with an upper cover, the upper cover and the side wall of the machine body shell form the air outlet; an inner shell for mounting the fan motor and the battery is arranged in the machine body shell, a vertical default part is arranged at an upper part of the inner shell, the default part and the inside of the machine body shell form a guide flow channel, the guide flow channel is communicated with the air outlet, so that the air flow flows out from the dust cup assembly, passes through the guide flow channel and is discharged from the air outlet, and the battery is arranged in the guide flow channel.

[0020] Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will become apparent to those skilled in the art upon examination of the following and / or can be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A perspective view of a two-in-one vacuum cleaner according to an embodiment of the application;

[0022] Figure 2 A perspective view of a cleaning head assembly of the vacuum cleaner shown in Figure 1

[0023] Figure 3 A first cross-sectional view of the cleaning head assembly shown in Figure 2

[0024] Figure 4 A second cross-sectional view of the cleaning head assembly shown in Figure 2

[0025] Figure 5 A third cross-sectional view of the cleaning head assembly shown in Figure 2

[0026] Figure 6 A schematic view of a mopping structure of the vacuum cleaner shown in Figure 1

[0027] Figure 7 ​​​​​A perspective view of a two-in-one vacuum cleaner according to another embodiment of the present application;

[0028] Figure 8 A perspective view of a cleaner head assembly of the vacuum cleaner shown in Figure 7 A schematic view of the structure of the cleaner head assembly shown in

[0029] Figure 9 A schematic view of the structure of the cleaner head assembly shown in Figure 7 A schematic view of the structure of the cleaner head assembly shown in

[0030] Figure 10 A schematic view of the structure of the cleaner head assembly shown in Figure 7 A schematic view of the structure of the cleaner head assembly shown in

[0031] Figure 11 A schematic view of the structure of the cleaner head assembly shown in Figure 7 A schematic view of the structure of the cleaner head assembly shown in

[0032] Figure 12 A schematic view of the structure of the cleaner head assembly shown in Figure 1 A schematic view of the structure of the cleaner head assembly shown in

[0033] Figure 13 A schematic view of the structure of the cleaner head assembly shown in Figure 1 A schematic view of the structure of the cleaner head assembly shown in Figure 7 A schematic view of the structure of the cleaner head assembly shown in A schematic view of the structure of the cleaner head assembly shown in

[0034] A schematic view of the structure of the cleaner head assembly shown in Figure 14 A schematic view of the structure of the cleaner head assembly shown in Figure 13 A schematic view of the structure of the cleaner head assembly shown in A schematic view of the structure of the cleaner head assembly shown in

[0035] A schematic view of the structure of the cleaner head assembly shown in Figure 15 A schematic view of the structure of the cleaner head assembly shown in Figure 13 A schematic view of the structure of the cleaner head assembly shown in A schematic view of the structure of the cleaner head assembly shown in

[0036] A schematic view of the structure of the cleaner head assembly shown in Figure 16 A schematic view of the structure of the cleaner head assembly shown in Figure 13 A schematic view of the structure of the cleaner head assembly shown in A schematic view of the structure of the cleaner head assembly shown in

[0037] A schematic view of the structure of the cleaner head assembly shown in Figure 17 A schematic view of the structure of the cleaner head assembly shown in Figure 13 A schematic view of the structure of the cleaner head assembly shown in A schematic view of the structure of the cleaner head assembly shown in

[0038] A schematic view of the structure of the cleaner head assembly shown in Figure 18 A schematic view of the structure of the cleaner head assembly shown in Figure 13 A schematic view of the structure of the cleaner head assembly shown in A schematic view of the structure of the cleaner head assembly shown in

[0039] A schematic view of the structure of the cleaner head assembly shown in Figure 19 A schematic view of the structure of the cleaner head assembly shown in Figure 13 A schematic view of the structure of the cleaner head assembly shown in A schematic view of the structure of the cleaner head assembly shown in

[0040] A schematic view of the structure of the cleaner head assembly shown in Figure 20 A schematic view of the structure of the cleaner head assembly shown inFigure 1 and Figure 7 A cross-sectional view of the body assembly and dust cup assembly of the vacuum cleaner shown in

[0041] In the figure: 1, cleaning head assembly; 11, dust suction port; 12, dust suction pipeline; 13, cleaning shell; 131, top plate; 1311, clamping plate; 1312, front baffle; 1313, fixing groove; 1314, convex plate; 1315, notch; 1316, first front baffle; 1317, second front baffle; 1318, positioning column; 132, bottom plate; 1321, support plate; 133, dust suction plate; 1331, arc-shaped plate; 1332, straight plate; 1333, through hole; 1334, buckle; 1335, buckling groove; 14, cleaning body; 141, first cleaning body; 142, second cleaning body; 143, sponge; 15, cleaning agent placing groove; 151, through hole; 16, foot pedal; 161, first elastic member; 162, extrusion member; 163, guide column; 164, extension block; 18, air inlet channel; 181, mounting surface; 182, bottom wall; 183, first sub-wall; 184, second sub-wall; 19, first turning groove; 2, machine body assembly; 21, fan motor; 211, motor cover; 212, air guide pipe; 213, fixing cover; 214, flow guide cover; 215, convex column; 216, fixing block; 22, machine body shell; 221, plug-in part; 222, plug-in groove; 223, clamping hole; 23, placing cavity; 231, side wall; 2311, buckle groove; 232, opening; 233, elastic lock key; 2331, positioning head; 2332, second elastic member; 234, mounting plate; 2341, through hole; 2342, buckling block; 235, top abutting surface; 236, step; 24, arc-shaped air guide plate; 241, air hole; 242, sealing groove; 243, insertion groove; 25, battery; 26, air outlet; 27, upper cover; 271, control button; 272, insertion block; 273, handle mounting sleeve; 28, guide flow channel; 29, control circuit board; 3, dust cup assembly; 31, cup body; 311, positioning hole; 312, air guide pipe; 313, limiting strip; 314, watch case part; 315, matching part; 316, step; 317, first gap; 318, second gap; 32, filter; 321, annular baffle; 33, air inlet; 34, partition piece; 341, air plate; 342, mounting sleeve; 343, air outlet gap; 4, handle assembly; 41, handle; 42, protective sleeve; 43, elastic clamping member; 5, connecting assembly; 51, first turning member; 511, first turning shaft; 512, second turning shaft; 52, second turning member; 521, second turning groove; 522, sleeve; 5221, inclined surface; 523, partition plate; 524, plug-in head; 525, clamping block; 526, missing part; 53, sealing ring; 531, outer extension part; 532, inner extension part; 533, vertical part; 534, annular protrusion; 60, inner shell; 61, circular hole; 62, plug-in member; 63, inverted hook; 64, screw mounting position; 65, first sub-part; 651, fixing column; 66, second sub-part; 67, default part; 68, battery positioning frame; 69, upper cover mounting plate; 691, slot; 692, clamping opening;693, card slot; 694, handle mounting tube; 695, handle mounting hole. DETAILED DESCRIPTION

[0042] The application will be described in greater detail with reference to the drawings, in which:

[0043] In the description of the application, it should be noted that for the orientation words, such as the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the application.

[0044] In the present application, unless otherwise explicitly specified and limited, the terms "assembled", "connected", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or it can be connected through an intermediate medium; it can be connected between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0045] Referring to the drawings Figure 1 to the drawings Figure 20 As shown in the drawings, the two-in-one vacuum cleaner of the embodiment of the present application will be briefly described in the following description, in which the body assembly and the dust cup assembly with relatively large weight are directly connected with the cleaning head assembly, located at the lower part of the vacuum cleaner, so that the center of gravity of the entire vacuum cleaner is lowered, and the hand-held burden is smaller; At the same time, the cleaning head assembly includes a dust removal structure and a mopping structure, which can be directly wiped after dust removal on the ground, so that the cleaning effect is better and the use is more convenient.

[0046] Embodiment one

[0047] Referring to the drawings Figure 1 to the drawings Figure 20, this embodiment provides a two-in-one vacuum cleaner, including: a cleaning head assembly 1, the cleaning head assembly 1 includes a dust suction port 11, a dust suction pipe 12 and a mopping structure, and the dust suction port 11 is connected to the dust suction pipe 12; a body assembly 2, which is arranged above the cleaning head assembly 1, and the body assembly 2 includes a negative pressure device; a dust cup assembly 3, the dust cup assembly 3 is embedded in the body assembly 2 and is connected to the dust suction pipe 12 in the cleaning head assembly 1, and the negative pressure device is arranged above the dust cup assembly 3, and the dust cup assembly 3 includes a cup body 31 and a filter 32; a handle 41 assembly 4, which is arranged above the body assembly 2, connected to the body assembly 2 and is used for hand-holding; wherein, the body assembly 2 is arranged close to the cleaning head assembly 1, and a connecting assembly 5 is provided between the cleaning head assembly 1, and one end of the dust suction pipe 12 is located in the connecting assembly 5 and is connected to the body assembly 2.

[0048] When the two-in-one vacuum cleaner of this embodiment is in operation, the cleaning head assembly 1 is placed on the floor to be cleaned, the dust is sucked in by the dust suction port 11, enters the connecting assembly 5 through the dust suction pipe 12, and then enters the dust cup assembly 3 in the body assembly 2, and then flows out from the body assembly 2. Because the dust cup assembly 3 is provided with a filter 32, the dust is retained in the cup body 31, and the air flows out from the upper end of the body assembly 2. The handle 41 assembly 4 is provided on the body assembly 2 for the user to hold conveniently.

[0049] In this embodiment, the overall length of the two-in-one vacuum cleaner is L2, the distance from the suction port 11 to the top of the dust cup assembly 3 is L1, and the ratio of L1 / L2 ranges from 1 / 5 to 2 / 5. Preferably, both the body assembly 2 and the dust cup assembly 3 are located near the bottom of the two-in-one vacuum cleaner, so that the center of gravity of the two-in-one vacuum cleaner is located below the centerline of the entire machine.

[0050] The connecting component 5 of the present invention is a detachable component, which enables the body component 2 to be detachably connected to different cleaning head components 1 for easy replacement to meet different usage requirements. There are also many types of cleaning head components 1, which will be briefly described in the following embodiments.

[0051] Example 2

[0052] As attached Figure 1 To the attached Figure 6 As shown, the mopping structure of this embodiment includes a cleaning shell 13, a cleaning body 14 and a detergent placement groove 15. The cleaning body 14 is arranged on the lower surface of the cleaning shell 13, and the detergent placement groove 15 is arranged at a position corresponding to the cleaning body 14 on the cleaning shell 13. A through hole 151 is provided at the bottom of the detergent placement groove 15, and the through hole 151 connects the detergent placement groove 15 and the cleaning body 14.

[0053] The embodiment adds a cleaning agent placing groove 15 in the mopping structure, and a user can add cleaning agent in the cleaning agent placing groove 15, and then the cleaning agent flows to the cleaning body 14 through the through hole 151, so that the cleaning ability of the cleaning body 14 is enhanced.

[0054] In order to avoid that the cleaning agent is not easy to produce foam or the foam remains, the cleaning body 14 comprises a first cleaning body 141, a second cleaning body 142 and a sponge 143, the sponge 143 is arranged between the first cleaning body 141 and the second cleaning body 142, the cleaning agent placing groove 15 is arranged corresponding to the sponge 143, the through hole 151 is communicated with the cleaning agent placing groove 15 and the sponge 143, the first cleaning body 141 is further provided with a dust suction port 11 at the front side, the first cleaning body 141 is a wet mop, the second cleaning body 142 is a dry mop, and when cleaning, the dust suction port 11 first sucks the dust into the ground, and then the wet mop is used to wet the ground, the sponge 143 produces foam, dissolves stubborn stains, and then the dry mop is used to dry, so that the ground cleaning is completed in one action, which is fast and convenient. In the material selection, the first cleaning body 141 can be made of easy water absorption fabric, such as twist-free cotton towel cloth, superfine fiber towel and the like; and the second cleaning body 142 can be made of quick-drying fabric, such as chemical fiber, polyester fiber, synthetic fabric fiber and the like.

[0055] Since the sponge 143 has good water absorption and is located between the first cleaning body 141 and the second cleaning body 142, the foam cannot be squeezed out by simply pressing the mopping structure, therefore, the mopping structure of the embodiment further comprises a foot pedal 16, the foot pedal 16 is elastically connected with the cleaning shell 13, the lower part of the foot pedal 16 is located in the cleaning shell 13, and the upper part of the foot pedal 16 is exposed from the cleaning shell 13 and is used for being stepped on by a user; the cleaning agent placing groove 15 is arranged at the upper part of the foot pedal 16, the sponge 143 is located below the foot pedal 16, and a first elastic member 161 is arranged between the lower part of the foot pedal 16 and the bottom plate 132 of the cleaning shell 13, and the first elastic member 161 squeezes the sponge 143 when the foot pedal 16 is pressed down. Preferably, in order to better squeeze the sponge 143, one side of the foot pedal 16 facing the sponge 143 is provided with a squeezing member 162, the squeezing member 162 abuts against the sponge 143 and squeezes the sponge 143 when the foot pedal 16 is pressed down.

[0056] Meanwhile, in order to make the foot pedal 16 automatically return after being pressed down, the first elastic member 161 needs to be arranged between the foot pedal 16 and the cleaning shell 13, and there are various arrangement modes of the first elastic member 161, and the embodiment only simply describes one of them, as shown in the accompanying drawings. Figure 4 The bottom plate 132 and the top plate 131 of the cleaning shell 13 are provided with a guide column 163, the first elastic member 161 is sleeved on the guide column 163, the foot pedal 16 is provided with an extension block 164 on both sides, the extension block 164 is connected with the first elastic member 161 and drives the first elastic member 161 to contract when the foot pedal 16 is pressed down.

[0057] The lower surface of the top plate 131 is provided with a plurality of positioning columns 1318, the positioning columns 1318 are provided with threaded holes, the bottom plate 132 is provided with screw holes corresponding to the positioning columns 1318, and the top plate 131 and the bottom plate 132 are locked and fixed through the screw and the positioning columns 1318.

[0058] In addition, the cleaning shell 13 of the embodiment is additionally provided with a dust collection plate 133 in order to simplify the structure of the top plate 131 and the bottom plate 132, the dust collection plate 133 is located at the front side of the top plate 131 and the bottom plate 132 of the cleaning shell 13, the dust collection plate 133 comprises an arc-shaped plate 1331 abutting against the top plate 131 and a straight plate 1332, the arc-shaped plate 1331 and the straight plate 1332 form a dust collection port 11, the straight plate 1332 is provided with a through hole 1333, and the inlet of the dust collection pipeline 12 is located in the through hole 1333 and communicates with the dust collection port 11.

[0059] In order to realize the installation and positioning of the dust collection plate 133, the embodiment provides a dust collection plate 133 installation method, which is simply described as follows: the rear side of the straight plate 1332 is provided with a buckle 1334, the buckle 1334 is provided with a buckle groove 1335, the bottom plate 132 abuts against the lower surface of the buckle 1334, the top plate 131 is provided with a clamping plate 1311 corresponding to the lower surface, the lower end of the clamping plate 1311 is adaptively clamped with the buckle groove 1335, and the top plate 131 and the bottom plate 132 are fixedly connected to clamp the buckle 1334 so as to fix the dust collection plate 133; meanwhile, the top plate 131 further comprises a front baffle 1312, the dust collection plate 133 is located in a fixing groove 1313 formed by the front baffle 1312 and the clamping plate 1311 and abuts against the front baffle 1312 and the clamping plate 1311 respectively; the dust collection pipeline 12 communicates with the through hole 1333 through the clamping plate 1311.

[0060] In order to realize the installation of the top plate 131 and the bottom plate 132 and at the same time have a movement space of the first elastic member 161 in the cleaning shell 13, the bottom plate 132 of the cleaning shell 13 is provided with a supporting plate 1321 for supporting the top plate 131, the supporting plate 1321 is correspondingly arranged at the two sides of the sponge 143, the lower surface of the top plate 131 is provided with convex plates 1314 corresponding to the supporting plate 1321, the convex plates 1314 are provided with gaps 1315 through which the extension blocks 164 pass, the lower end of the clamping plate 1311 is adaptively clamped with the buckle groove 1335, the supporting plate 1321, the convex plates 1314 and the clamping block 525 form a cavity accommodating the guide column 163 and the first elastic member 161, and the extension blocks 164 pass through the gaps 1315 and are connected with the first elastic member 161 in the cavity.

[0061] As shown in FIG. 1, the dust collection device 1 comprises a cleaning shell 13, a dust collection pipeline 12 and a dust collection port 11. Figure 3As shown, the dust absorption plate 133 further comprises an air inlet channel 18 extending towards the dust absorption pipeline 12, the side wall of the air inlet channel 18 is inserted into one end of the dust absorption pipeline 12, and the side wall of the dust absorption pipeline 12 is pressed between the top plate 131 and the air inlet channel 18 and between the bottom plate 132 and the air inlet channel 18, thereby supporting the dust absorption pipeline 12 and achieving the sealing of the air inlet channel 18 and the dust absorption pipeline 12.

[0062] The cleaning shell 13 of the embodiment has a large volume, and the body assembly 2 and the handle 41 assembly 4 are located in the middle position of the cleaning head assembly 1. When the foot pedal 16 is used, the handle 41 assembly 4 and the body assembly 2 are easily blocked, therefore, the number of foot pedals 16 is two, which are respectively arranged in the left half and the right half of the cleaning shell 13, and the sponges 143 are arranged corresponding to the foot pedals 16. The user can step on the foot pedal 16 on one side according to his own use habit, which is more ergonomic.

[0063] Embodiment three

[0064] As shown in the accompanying drawings Figure 7 to the accompanying Figure 11 As shown, the cleaning head assembly 1 of the embodiment comprises a cleaning shell 13, the lower surface of the cleaning shell comprises a first mounting surface for arranging a wet cleaning body and a second mounting surface for arranging a dry cleaning body, the first mounting surface is located in front of the second mounting surface, the first mounting surface and the second mounting surface are arranged in the same plane and are provided with at least two cleaning bodies; the cleaning bodies are arranged in front of and behind each other and are located in the same plane; the cleaning body located on the first mounting surface is a first cleaning body, and the cleaning body located on the second mounting surface is a second cleaning body. The first cleaning body 141 and the second cleaning body 142 are arranged in front of and behind each other; the first cleaning body 141 is a wet cloth, and the second cleaning body 142 is a dry cloth, and the wet cloth is located in front of the dry cloth.

[0065] The first cleaning body 141 and the second cleaning body 142 can be arranged close together or separately, and in terms of material selection, the first cleaning body 141 can be made of an easily water-absorbing fabric, such as a no-twist cotton towel cloth, an ultra-fine fiber towel, etc.; and the second cleaning body 142 can be made of a quick-drying fabric, such as a chemical fiber, a polyester fiber, a synthetic fabric fiber, etc.

[0066] In the embodiment, the first cleaning body 141 is further provided with a dust suction port 11, and the cleaning shell 13 is provided with a dust absorption pipeline 12, which is in communication with the dust suction port 11. In use, the dust suction port 11 first sucks dust, and then the wet cloth is used to wet and wipe the ground, and then the dry cloth is used to dry and wipe the ground, so that the ground cleaning is completed in one action, which is fast and convenient.

[0067] In order to simplify the structure, the cleaning housing 13 of the embodiment comprises a top plate 131 and a bottom plate 132, the top plate 131 comprises a first front baffle 1316 and a second front baffle 1317, and a gap is formed between the first front baffle 1316 and the second front baffle 1317 to form the dust suction port 11, and the second front baffle 1317 is provided with an air inlet channel 18, the air inlet channel 18 is formed between the top plate 131 and the bottom plate 132, and the inlet of the dust suction pipeline 12 is located in the air inlet channel 18 and communicates with the dust suction port 11. More specifically, as shown in the accompanying drawings, in order to fix the dust suction pipeline 12 in the air inlet channel 18, the end of the air inlet channel 18 is a circular tube type matched with the dust suction pipeline 12, and has a mounting surface 181 for fixing the dust suction pipeline 12. Since the dust suction pipeline 12 is a hose, a sealant can be used to fixedly and sealingly connect one end of the dust suction pipeline 12 with the mounting surface 181. Figure 9

[0068] Preferably, in order to better guide the airflow into the dust suction pipeline 12, the inner diameter of the air inlet channel 18 close to the dust suction port 11 is smaller than the inner diameter close to the dust suction pipeline 12; the side of the top plate 131 close to the dust suction pipeline 12 is inclinedly arranged, as shown in the accompanying drawings, and the bottom wall 182 of the end of the air inlet channel 18 close to the dust suction pipeline 12 is a circular arc surface and is higher than the horizontal height of the bottom plate 132. Figure 11

[0069] Since the air inlet channel 18 is arranged in the cleaning housing 13, the internal structure of the cleaning housing 13 becomes complex, and in order to facilitate processing, the sidewall of the air inlet channel 18 of the embodiment comprises a first partial wall 183 and a second partial wall 184, the first partial wall 183 is located on the top plate 131 and connected with the second front baffle 1317, and the second partial wall 184 is located on the bottom plate 132 and arranged correspondingly with the first partial wall 183; the first partial wall 183 and the second partial wall 184 are in abutment and sealing after the top plate 131 and the bottom plate 132 are buckled, and together form the air inlet channel 18 with the top plate 131 and the bottom plate 132.

[0070] The fixing connection mode of the bottom plate 132 and the top plate 131 is as follows: the bottom plate 132 abuts against the lower surface of the second front baffle 1317, the lower surface of the top plate 131 is provided with a plurality of positioning columns 1318, the positioning columns 1318 are provided with threaded holes, the bottom plate 132 is provided with screw holes at positions corresponding to the positioning columns 1318, and the top plate 131 and the bottom plate 132 are locked and fixed by screws and the positioning columns 1318.

[0071] Embodiment four

[0072] The embodiment provides a connecting assembly 5 for connecting the cleaning head assembly 1 and the body assembly 2, which can be used with the cleaning head assembly 1 of the above-mentioned embodiments two and three to realize the dismounting and mounting of the replaceable cleaning head assembly 1.

[0073] ​​The dust suction pipeline 12 is a hose, and the connecting assembly 5 of the embodiment includes a turning assembly sleeved on the dust suction pipeline 12. The turning assembly includes a first turning piece 51 and a second turning piece 52. As shown in the accompanying drawings, Figure 1 As shown in the accompanying drawings, Figure 11 The first turning piece 51 is located at the middle of the rear side of the cleaning housing 13 and is rotationally connected with the cleaning housing 13. The left half and the right half of the cleaning housing 13 are respectively provided with symmetrical first turning grooves 19. The two sides of the upper part of the first turning piece 51 are respectively provided with first turning shafts 511. The first turning shafts 511 are rotationally matched with the first turning grooves 19. The two sides of the upper part of the first turning piece 51 are respectively provided with second turning shafts 512. The second turning piece 52 is provided with a second turning groove 521. The second turning groove 521 is correspondingly clamped into the second turning groove 521 and is rotationally matched with the second turning groove 521.

[0074] As shown in the accompanying drawings, Figure 13 As shown in the accompanying drawings, Figure 19 In order to realize the sealed connection with the dust suction pipeline 12, the second turning piece 52 is internally provided with a sleeve 522. The sleeve 522 is a hard tube. The end of the dust suction pipeline 12 is sleeved on the sleeve 522. The tube diameter of the sleeve 522 is greater than that of the dust suction pipeline 12. The inner wall end of the sleeve 522 is an outwardly inclined inclined surface 5221, which is smoothly matched with the inner wall of the dust suction pipeline 12. A partition plate 523 is arranged between the outer wall of the sleeve 522 and the second turning piece 52. The end top surface of the dust suction pipeline 12 is abutted against the partition plate 523. Preferably, sealing glue can be applied between the sleeve 522 and the dust suction pipeline 12 to further enhance the sealing performance.

[0075] The machine body assembly 2 includes a machine body housing 22. The connecting assembly 5 further includes a plug-in portion 221 arranged on the machine body housing 22 and a plug-in head 524 arranged on the second turning piece 52. The plug-in portion 221 is provided with a plug-in groove 222. The plug-in head 524 is matched with the plug-in groove 222. A clamping hole 223 is arranged on the side wall of the plug-in groove 222. A clamping block 525 is arranged on the outer surface of the plug-in head 524. The clamping block 525 is matched with the clamping hole 223 to connect the turning assembly and the machine body assembly 2. In order to smoothly clamp the clamping block 525 into the clamping hole 223, the clamping block 525 is provided with a missing part 526 on both sides, so that the side wall of the plug-in head 524 where the clamping block 525 is located can be appropriately deformed to clamp the clamping block 525 into or out of the clamping hole 223. It is worth noting that the positions of the clamping hole 223 and the clamping block 525 are interchangeable, which belongs to the routine replacement of the embodiment and belongs to the protection scope of the present application. The structure after the transposition is not described here.

[0076] The dust cup assembly 3 is located in the body assembly 2 and at the lower part of the body shell 22, so that the air flow entering the sleeve 522 can directly enter the dust cup assembly 3 for air-dust separation, and in order to ensure the sealing of the process, the dust cup assembly 3 and the air inlet 33 at the bottom of the body assembly 2 are sealed in the embodiment, and more specifically, the sealing ring 53 is arranged between the sleeve 522 and the air inlet 33, the sealing ring 53 is sleeved on the sleeve 522, including the inner extension part 532 covering the top end of the sleeve 522, the vertical part 533 sleeved on the outer wall of the sleeve 522 and the outer extension part 531 protruding outward on the outer side of the vertical part 533, the outer extension part 531 abuts against the top inner wall of the insertion slot 222, and the upper surface of the inner extension part 532 is higher than the upper surface of the air inlet 33, when the dust cup assembly 3 is aligned with the sealing ring 53, the upper surface of the inner extension part 532 is pressed, the sealing ring 53 is deformed appropriately, and the sealing of the dust cup assembly 3 and the sealing ring 53 is enhanced; preferably, the upper surface of the inner extension part 532 is provided with two concentric annular protrusions 534, which further enhance the sealing performance. At the same time, the inner diameter of the inner extension part 532 is consistent with the inner diameter of the sleeve 522, so as to ensure that the air flow is not disturbed during the flow process.

[0077] The structure of the dust cup assembly 3 also has a crucial influence on the sealing effect, and more specifically, the dust cup assembly 3 includes a cup body 31, a filter 32 and a partition 34, the cup body 31 is provided with a wind guide pipe 312, the wind guide pipe 312 is connected with the sleeve 522, the lower surface of the cup body 31 abuts against the upper surface of the inner extension part 532 of the sealing ring 53, so that the inner extension part 532 and the annular protrusion 534 are deformed, thereby realizing the sealed connection between the connecting assembly 5 and the dust cup assembly 3 and ensuring that all the air flow entering the sleeve 522 enters the cup body 31 through the wind guide pipe 312.

[0078] The partition 34 includes a wind plate 341 covering the top end of the wind guide pipe 312 and a mounting sleeve 342 sleeved on the wind guide pipe 312, and the mounting sleeve 342 and the wind plate are provided with an air outlet gap 343, the wind plate 341 can be turned to open under the action of wind, so that the air flow enters the cup body, after the dust collector stops working, the wind plate 341 covers the wind guide pipe, preventing the dust in the dust cup from flowing back. The filter 32 is arranged at the top of the air cavity, and the air flow in the air cavity flows out of the cup body 31 through the filter 32.

[0079] Embodiment five

[0080] The dust cup assembly 3 and the body assembly 2 have various connection modes. In the embodiment, the placement cavity 23 has a single-side opening structure. In order to realize quick placing and taking of the dust cup assembly 3, a clamping assembly is arranged between the cup body 31 of the dust cup assembly 3 and the placement cavity 23. The clamping assembly comprises a positioning portion arranged on the outer wall of the cup body 31 and an elastic lock key 233 arranged in the placement cavity 23. The top end of the elastic lock key 233 is matched with the positioning portion, so as to realize the connection or separation of the dust cup assembly 3 and the body shell 22. The positioning portion can be a positioning hole 311 or a positioning groove which extends horizontally inward.

[0081] In addition, as shown in the accompanying drawings, Figure 13 to the accompanying drawings, Figure 20 As shown in the accompanying drawings, the cup body of the embodiment comprises a matching portion 315 matched with the side wall of the placement cavity for disassembly and assembly and a surface shell portion 314 exposed to the placement cavity. The surface shell portion 314 is matched with the opening edge of the placement cavity. A first gap 317L3 is arranged between the matching portion 315 and the top abutting surface 235 of the placement cavity. The positioning hole is arranged on the matching portion 315. The matching portion 315 is located between the surface shell portion 314 and the side wall of the placement cavity, so that the installation position is not exposed, and the appearance of the dust collector is more beautiful. At the same time, due to the arrangement of the first gap 317L3, the cup body has a certain buffer space when matched with the top abutting surface 235 of the placement cavity, so that the cup body cannot be completely placed into the placement cavity due to the machining error is effectively avoided. At the same time, the user can place and take the dust cup more conveniently, and the top abutting surface 235 will not be collided. As shown in the accompanying drawings, Figure 20 As shown in the accompanying drawings, the matching portion 315 is the part of the cup body below the A-A plane, and the surface shell portion 314 is the part of the cup body above the A-A plane. Preferably, the height of the matching surface is not higher than the central plane O-O of the cup body, so as to facilitate the user to disassemble and assemble and hold.

[0082] In order to further prevent the dust cup assembly 3 from being separated from the placement cavity 23 due to vibration during use, the angle of the elastic lock key 233 and the positioning hole 311 is limited. In general working conditions, the dust cup assembly 3 will be subjected to force in the axial direction and will not be subjected to circumferential force. Therefore, the elastic lock key 233 is arranged opposite to the side wall 231 of the placement cavity 23. The center lines of the two opposite elastic lock keys 233 are collinear, and the center lines pass through the cup body 31. The center lines of the two opposite positioning holes 311 on the cup body 31 are collinear, and the center lines pass through the cup body 31, so as to lock the cup body 31. Preferably, the elastic lock key 233 is arranged opposite to the side wall 231 of the placement cavity 23 near the opening 232, so that the center lines of the two opposite elastic lock keys 233 pass through the cup body 31 more deeply and are close to the center of gravity of the cup body 31, so as to lock the cup body 31 more firmly. The position and angle of the positioning hole 311 correspond to the elastic lock key 233.

[0083] More specifically, the elastic lock key 233 of the present embodiment comprises a positioning head 2331 and a second elastic member 2332, the positioning head 2331 is clamped into the positioning hole 311 under the action of the second elastic member 2332. The specific structure of the elastic lock key 233 is various, which can be the existing wave bead screw, or the structure that the positioning head 2331 is directly connected with the second elastic member 2332.

[0084] In a specific implementation structure, the second elastic member 2332 is fixedly arranged on the side wall 231 of the placement cavity 23, the second elastic member 2332 is a spring sheet, the two ends of the spring sheet are fixedly connected with the side wall 231 of the placement cavity 23, the protruding middle part is connected with the positioning head 2331, and the middle part of the spring sheet has a certain distance from the side wall 231 of the placement cavity 23.

[0085] In another specific implementation structure, the second elastic member 2332 is fixedly arranged on the side wall 231 of the placement cavity 23, the second elastic member 2332 is a spring, the positioning head 2331 is provided with a spring groove, one end of the spring is connected with the side wall 231 of the placement cavity 23, and the other end is located in the spring groove and connected with the positioning head 2331.

[0086] In order to ensure that the positioning head 2331 is accurately clamped into the positioning hole 311, the placement cavity 23 of the present embodiment is provided with a mounting plate 234, the mounting plate 234 is arranged on the side wall 231 of the placement cavity 23, the mounting plate 234 is provided with a through hole 2341 for the elastic lock key 233 to pass through, the elastic lock key 233 is positioned and clamped with the positioning hole 311 through the through hole 2341, the through hole 2341 limits the moving angle of the positioning head 2331, so that the positioning head 2331 can be accurately clamped into the positioning hole 311, and the installation and fixation of the dust cup assembly 3 are realized.

[0087] The connection mode of the mounting plate 234 and the side wall 231 of the placement cavity 23 is as follows: a buckling assembly is arranged between the mounting plate 234 and the side wall 231 of the placement cavity 23, the buckling assembly comprises a buckling block 2342 and a buckling groove 2311, one of the buckling block 2342 and the buckling groove 2311 is arranged on the side of the mounting plate 234 facing the side wall 231 of the placement cavity 23, and the other is arranged on the side wall 231 of the placement cavity 23, the buckling block 2342 and the buckling groove 2311 are buckled to fix the mounting plate 234 on the side wall 231 of the placement cavity 23, during installation, as long as the buckling block 2342 and the buckling groove 2311 are aligned, and part of the positioning head 2331 passes through the through hole 2341, the mounting plate 234 is pressed down, and the buckling block 2342 and the buckling groove 2311 are normally buckled.

[0088] As shown in the accompanying drawingsFigure 7 As shown, the top abutting surface 235 of the placement cavity of the present embodiment is an arc-shaped inclined surface, the top shape of the cup body is adapted to the top abutting surface 235, the top end of the watch case portion 314 protrudes from the fitting portion 315 by a distance L4, and meanwhile, the bottom and top of the watch case portion 314 are provided with protruding steps 316, the top and top positions of the opening of the placement cavity are provided with steps 236, the steps 236 are adapted to and fit with the steps 316, so that the watch case portion 314 is more fitted with the edge of the opening of the placement cavity, and the steps 236 and the steps 316 can also be used for positioning the cup body, so that the cup body is more stably installed with the placement cavity. In addition, a second gap 318 is arranged between the bottom wall of the cup body and the bottom wall of the placement cavity, and the cup body is sealingly connected with the air inlet, more specifically, a sealing ring is arranged at the air inlet, the top of the sealing ring is higher than the bottom wall of the placement cavity, and is sealingly fitted with the bottom wall of the cup body; the height of the top of the sealing ring which is higher than the bottom wall of the placement cavity is equivalent to the second gap 318. The specific structure of the air inlet and the sealing ring is as described above.

[0089] The dust cup assembly further comprises a filter at the top end of the cup body; the inside of the cup body is provided with a limiting strip for limiting installation of the filter; the top of the filter abuts against the top abutting surface 235 and partially protrudes from the top end of the fitting portion 315 by a distance L5. Therefore, the inclination of the top of the cup body is greater than the inclination of the top abutting surface 235 of the placement cavity, the installation spacing of the dust cup assembly and the placement cavity is more generous, and the installation is more convenient. When the dust cup assembly is located in the placement cavity, the filter is clamped and abuts between the limiting strip and the top abutting surface 235, and is firmly and stably limited and does not shake.

[0090] Embodiment six

[0091] As shown in the accompanying drawings, Figure 12 to the accompanying drawings, Figure 20 As shown, the dust cup assembly 3 of the present embodiment comprises a cup body 31, a filter 32 and a partition 34, the filter 32 is installed at the top end of the cup body 31, the cup body 31 is an open-top structure, after the dust cup assembly 3 is installed with the placement cavity 23 of the machine body assembly 2, the filter 32 is fixed between the cup body 31 and the machine body shell 22 of the machine body assembly 2, more specifically, the filter 32 is clamped with the top end of the cup body 31, the top of the filter 32 is provided with an annular baffle 321, the top end of the annular baffle 321 abuts against the top of the placement cavity 23, and the annular baffle 321 is outwardly inclined and arranged in a horn shape.

[0092] In order to improve the suction efficiency of the negative pressure device, the present embodiment is provided with an arc-shaped air deflector 24 at the top of the placement cavity 23, as shown in the accompanying drawings, Figure 12 to the accompanying drawings, Figure 15As shown, the arc-shaped air deflector 24 is located between the top of the placing cavity 23 and the filter 32. The arc-shaped air deflector 24 is arranged to be inclined, the top is vertically different from the bottom by a distance difference L, and the included angle is 10° to 20°. The arc-shaped air deflector 24 is provided with a gas hole 241 in the middle, which is used to communicate the cup body 31 and the negative pressure device. According to the positional relationship in the drawings, in the description of the embodiment, the side of the arc-shaped air deflector 24 close to the side wall 231 of the placing cavity 23 is the bottom, and the side close to the opening 232 of the placing cavity 23 is the top, so as to form the distance difference. In order to adapt to the arc-shaped air deflector 24, the annular baffle 321 of the filter 32 is also arranged to be high on one side and low on the other side, and closely contacts the arc-shaped air deflector 24, so as to avoid air leakage. At the same time, in order to limit the rotation of the filter 32, the annular baffle 321 is not closely contacted with the arc-shaped air deflector 24, as shown in the attached Figure 17 As shown, the cup body 31 of the embodiment is provided with a limiting strip 313 inside, the limiting strip 313 blocks the outer wall of the filter 32, so as to limit the rotation of the filter 32.

[0093] Preferably, the included angle between the top and the bottom of the arc-shaped air deflector 24 of the embodiment is 15°.

[0094] The negative pressure device of each embodiment of the application is preferably a fan motor 21. The fan motor 21 of the embodiment is arranged above the arc-shaped air deflector 24, and the arc-shaped air deflector 24 protrudes a certain arc towards the direction of the fan motor 21. At this time, the side of the arc-shaped air deflector 24 facing the filter 32 is a concave arc surface, the concave arc surface forms air flow convergence, and has a guiding effect on the air flow, and then flows into the fan motor 21 from the gas hole 241 in the center of the arc-shaped air deflector 24, so as to enhance the suction power and suction force.

[0095] Embodiment seven

[0096] Based on embodiment six, preferably, the gas hole 241 of the arc-shaped air deflector 24 is arranged on the central extension line of the air inlet 33 of the dust cup assembly 3, and the air inlet 33 is concentrically arranged with the gas hole 241. Since the air inlet 33 of the dust cup assembly 3 is concentrically arranged with the sleeve 522, the gas hole 241 of the arc-shaped air deflector 24 is also arranged on the central extension line of the sleeve 522, and is concentrically arranged with the sleeve 522, so as to form a straight-flow air duct, shorten the entire air flow path, reduce the wind power attenuation, fully utilize the power of the fan motor 21, and improve the dust collection efficiency.

[0097] More specifically, the body assembly 2 of the embodiment further comprises an inner shell 60 and a battery 25, the inner shell 60 is located in the body shell 22 for mounting the fan motor 21 and the battery 25, the inner shell 60 is provided with a motor cover 211 of the fan motor 21, the lower end of the motor cover 211 is provided with a air guide pipe 212, the center of the lower bottom plate 132 of the inner shell 60 is provided with a circular hole 61, the air guide pipe 212 passes through the circular hole 61, the lower surface of the air guide pipe 212 is tightly abutted with the arc-shaped air deflector 24 and penetrates the air hole 241, the pipe diameter of the air guide pipe 212 is greater than or equal to the diameter of the air hole 241, and completely covers the air hole 241; the side of the arc-shaped air deflector facing the air guide pipe 212 is provided with a sealing groove 242 matched with the air guide pipe 212, and the sealing groove 242 is arranged around the air hole 241. While ensuring the sealed communication between the air guide pipe 212 and the air hole 241 of the arc-shaped air deflector 312, the center line of the air guide pipe 212 is collinear with the center line of the sleeve 522, and the entire airflow flow path is shortened.

[0098] In addition, in order to reduce the noise of the fan motor 21, the motor cover 211 is fixedly connected with the inner shell 60, and the motor cover 211 can be made of sound-absorbing material. In addition to the function of reducing noise, the motor cover 211 can also guide airflow, and the motor cover 211 comprises a fixing cover 213 for fixing the fan motor 21 and a flow guide cover 214 arranged above the fixing cover 213, the flow guide cover 214 is located at the rear side of the fan motor 21 and is used for guiding the airflow passing through the fan; the flow guide cover 214 is a beam structure, the inner diameter of the upper end of the flow guide cover 214 is smaller than the inner diameter of the lower end, so that the flow rate of the airflow out of the flow guide cover 214 is greater than the flow rate of the airflow entering, the airflow flow is accelerated, and the airflow is discharged from the air outlet 26 at the top end of the body shell 22 as soon as possible.

[0099] The fixed structure of the motor cover 211 and the inner shell 60 is shown in the attached drawings Figure 13 and the attached drawings Figure 18 As shown in the attached drawings, the outer wall of the fixing cover 213 is provided with a plurality of convex columns 215 which are tightly abutted with the inner wall of the inner shell 60, preferably, the convex columns 215 are made of soft sound-absorbing material, which can reduce the noise of the fan motor 21 while ensuring the sealed connection between the fan part of the fan motor 21 and the inner shell 60. The outer wall of the flow guide cover 214 is provided with a fixing block 216, the flow guide cover 214 is fixedly connected with the inner shell 60 through the fixing block 216, and the fixing block 216 is arranged on the outer wall at the smallest inner diameter of the flow guide cover 214, which can save the installation space in the inner shell 60.

[0100] The connection structure between the inner shell 60 and the body shell 22 is as follows: a pre-positioning structure is provided between the inner shell 60 and the curved air guide plate 24 on the body shell 22, and the pre-positioning structure includes a slot 243 arranged on the side of the curved air guide plate 24 close to the side wall 231 of the placement cavity 23, and a plug-in 62 arranged at the bottom end of the inner shell 60, and a barbed hook 63 is provided on the plug-in 62. After the plug-in 62 is inserted into the slot 243, the barbed hook 63 abuts against the lower surface of the curved air guide plate 24; then, the curved air guide plate 24 and the inner shell 60 are fixedly connected by screws, and a screw mounting position 64 is provided between the curved air guide plate 24 and the inner shell 60. The screw mounting position 64 is located on the side of the curved air guide plate 24 close to the placement slot close to the opening 232, providing a more spacious installation space for convenient operation.

[0101] The main function of the inner shell 60 is to install the fan motor 21 and the battery 25. In order to facilitate installation, preferably, the inner shell 60 includes a first division 65 and a second division 66. The cross-sections of the first division 65 and the second division 66 are both semicircular, combined into a complete cylindrical shape, and the first division 65 and the second division 66 are fixedly connected by screws. Fixed columns 651 are provided on the inner walls of the first division 65 and the second division 66 at positions corresponding to the fixed block 216 of the deflection cover 214. One of the fixed columns 651 passes through the fixed block 216 and is fixedly connected to the other fixed column 651 by screws.

[0102] Example 8

[0103] Based on the seventh embodiment, the air outlet 26 of this embodiment is set at the top of the body shell 22, and in order to better guide the air flow out of the air outlet 26, this embodiment is provided with a guide channel 28 between the body shell 22 and the inner shell 60. More specifically, as shown in the attached Figure 14 and attached Figure 19 As shown, the top of the housing 22 is provided with an upper cover 27. The upper cover 27 and the sidewalls of the housing 22 form an air outlet 26. The upper portion of the inner shell 60 is provided with a relief portion 67. The relief portion 67 forms a guide flow channel 28 with the interior of the housing 22. The guide flow channel 28 is connected to the air outlet 26. At the same time, the guide flow channel 28 is connected to the guide cover 214, so that the airflow entering the air duct 212 flows through the guide cover 214 and the guide flow channel 28 before being discharged from the air outlet 26. Preferably, there are two relief portions 67 on the upper portion of the inner shell 60, symmetrically arranged on both sides of the inner shell 60, each forming a guide flow channel 28 with the sidewalls of the housing 22.

[0104] In addition, the airflow in the guide channel 28 can be fully utilized to cool the battery 25, thereby preventing the battery 25 from overheating during long-term operation. More specifically, the battery 25 is disposed in the inner housing 60 and is positioned above the fan motor 21 within the guide channel 28. Air flows out of the dust cup assembly 3 and passes through the fan motor 21 and the battery 25.

[0105] In order to fix the battery 25, the inner shell 60 of the present embodiment further comprises a battery positioning frame 68, in which the battery 25 is positioned. Above the battery 25, a control circuit board 29 is arranged, and the battery 25 is connected with the fan motor 21 and the control circuit board 29 respectively.

[0106] The top of the inner shell 60 is provided with an upper cover mounting plate 69, and the upper cover 27 is clamped with the upper cover mounting plate 69. The two sides of the upper cover mounting plate 69 are provided with slotted holes 691 corresponding to the guide flow channels 28, so that the guide flow channels 28 are communicated with the air outlet 26. The first sub-portion 65 is provided with a first upper cover mounting plate, and the second sub-portion 66 is provided with a second upper cover mounting plate. The first upper cover mounting plate and the second upper cover mounting plate are respectively provided with a clamping hole 692. After the first sub-portion 65 and the second sub-portion 66 are combined and mounted, the first upper cover mounting plate and the second upper cover mounting plate are spliced into a complete upper cover mounting plate 69, and the clamping hole 692 forms a clamping groove 693. The upper cover 27 is provided with an insertion block 272, which is matched with the clamping groove 693, so that the upper cover 27 is clamped and fixed with the upper cover mounting plate 69.

[0107] The handle 41 assembly 4 comprises the handle 41 and a protective sleeve 42, which is sleeved on the top end of the handle 41. The bottom end of the handle 41 is connected with the body assembly 2. The upper surface of the upper cover mounting plate 69 is provided with a handle mounting pipe 694, and the upper surface of the upper cover 27 is provided with a handle mounting sleeve 273. The bottom end of the handle 41 is provided with a elastic clamping piece 43, and the handle mounting pipe 694 is provided with a handle mounting hole 695. One end of the elastic clamping piece 43 is clamped into the handle mounting hole 695 to connect the inner shell 60 and the handle 41. The handle mounting sleeve 273 is sleeved outside the handle mounting pipe 694 and covers the handle mounting hole 695.

[0108] The control button 271 can be arranged on the body assembly 2 or the handle 41 assembly 4. Preferably, the upper cover 27 is provided with the control button 271, which is directly connected with the control circuit board 29. The wire is shorter, the control is more stable, and the cost is lower.

[0109] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the protection scope of the present application. Any non-essential changes and replacements made by those skilled in the art based on the present application shall fall within the protection scope of the present application.

Claims

1. A two-in-one vacuum cleaner characterized by, The two-in-one vacuum cleaner comprises a cleaning head assembly, a machine body assembly, a dust cup assembly and a handle assembly. The cleaning head assembly comprises a suction port, a suction pipeline and a mopping structure. The suction port is in communication with the suction pipeline. The mopping structure comprises a cleaning shell, a cleaning body, a cleaning agent placing groove and a foot pedal. The cleaning body is arranged on the lower surface of the cleaning shell. The cleaning agent placing groove is arranged on the cleaning shell at a position corresponding to the cleaning body.

2. The two-in-one vacuum cleaner of claim 1, wherein, The bottom of the cleaning agent placing groove is provided with a through hole.

3. A two-in-one vacuum cleaner as claimed in claim 1 or 2, characterized in that The through hole is in communication with the cleaning agent placing groove and the cleaning body.

4. A two-in-one vacuum cleaner as claimed in claim 1 or 2, characterized in that The cleaning body comprises a first cleaning body, a second cleaning body and a sponge. The first cleaning body and the second cleaning body are arranged in front of and behind each other. The sponge is arranged between the first cleaning body and the second cleaning body. The foot pedal is elastically connected with the cleaning shell. The lower part of the foot pedal is located in the cleaning shell. The upper part of the foot pedal is exposed from the cleaning shell. The cleaning agent placing groove is arranged on the upper part of the foot pedal. The sponge is located below the foot pedal. An elastic member is arranged between the lower part of the foot pedal and the bottom plate of the cleaning shell. When the foot pedal is pressed down, the sponge is squeezed. The machine body assembly is arranged above the cleaning head assembly. The machine body assembly comprises a negative pressure device. The dust cup assembly is embeddedly arranged at the lower part of the machine body assembly. The dust cup assembly is in communication with the suction pipeline in the cleaning head assembly. The negative pressure device is arranged above the dust cup assembly. The dust cup assembly comprises a cup body and a filter. The handle assembly is arranged above the machine body assembly. The machine body assembly and the dust cup assembly are close to the lower end of the two-in-one vacuum cleaner. The center of gravity of the two-in-one vacuum cleaner is located below the center line of the whole machine. A connecting assembly is arranged between the machine body assembly and the cleaning head assembly. One end of the suction pipeline is located in the connecting assembly and is in communication with the machine body assembly. The overall length of the two-in-one vacuum cleaner is L2. The distance from the suction port to the top end of the dust cup assembly is L1. The ratio of L1 / L2 is in the range of 1 / 5 to 2 / 5. The mopping structure comprises a cleaning shell. The lower surface of the cleaning shell comprises a first mounting surface for arranging a wet cleaning body and a second mounting surface for arranging a dry cleaning body. The first mounting surface is located in front of the second mounting surface. The first mounting surface and the second mounting surface are arranged in the same plane and are provided with at least two cleaning bodies. The cleaning bodies are arranged in front of and behind each other. The cleaning body arranged on the first mounting surface is a first cleaning body. The cleaning body arranged on the second mounting surface is a second cleaning body. The machine body assembly comprises a machine shell. The machine shell is provided with a placing cavity for placing the dust cup assembly. The placing cavity is open on one side. A clamping assembly is arranged between the cup body and the placing cavity. The clamping assembly comprises a positioning portion arranged on the outer wall of the cup body and an elastic lock key arranged in the placing cavity. The top end of the elastic lock key is matched with the positioning portion to realize the connection or separation of the dust cup assembly and the placing cavity.

5. The dual-vacuum cleaner of claim 1 or 2, wherein, The dust cup assembly is provided with an air inlet, which is communicated with the dust suction pipeline and used to introduce airflow into the dust cup assembly; an air hole is arranged between the dust cup assembly and the negative pressure device, and the air hole is concentrically arranged with the air inlet.

6. The dual-vacuum cleaner of claim 1 or 2, wherein, The filter is arranged at the top of the cup body; the cup body is communicated with the negative pressure device, and an arc-shaped air deflector is arranged between the cup body and the negative pressure device; the arc-shaped air deflector is arranged in an inclined manner, and the vertical distance difference is formed between the top and the bottom, and the included angle is 10°-20°; an air hole is arranged in the middle of the arc-shaped air deflector and used to communicate the cup body and the negative pressure device.

7. The dual-vacuum cleaner of claim 1 or 2, wherein, The negative pressure device comprises a fan motor, which is located above the dust cup assembly and communicated with the dust cup assembly; a battery is located above the fan motor; the top of the machine body assembly is provided with an air outlet, so that the airflow flows out of the dust cup assembly, passes through the fan motor and the battery.

8. The two-in-one vacuum cleaner of claim 7, wherein, The machine body assembly comprises a machine body shell, the top of the machine body shell is provided with an upper cover, the upper cover and the side wall of the machine body shell form the air outlet; an inner shell for mounting the fan motor and the battery is arranged in the machine body shell, the upper part of the inner shell is provided with a vertical default part, the default part and the inner part of the machine body shell form a guide flow channel, the guide flow channel is communicated with the air outlet, so that the airflow flows out of the dust cup assembly and is discharged from the air outlet through the guide flow channel; the battery is located in the guide flow channel.

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