WO2022242275A1

WO2022242275A1 - Hand-held vacuum cleaner

Info

Publication number: WO2022242275A1
Application number: PCT/CN2022/080201
Authority: WO
Inventors: 王志成; 戴君; 刘海洋; 张宇坤
Original assignee: 江苏美的清洁电器股份有限公司; 美的集团股份有限公司
Priority date: 2021-05-21
Filing date: 2022-03-10
Publication date: 2022-11-24
Also published as: EP4335339A1; CN115363470A

Abstract

A hand-held vacuum cleaner (100). The hand-held vacuum cleaner (100) comprises: a machine body (1), the machine body (1) having a first mating portion (15) disposed thereon; a dust cup assembly (2), the dust cup assembly (2) comprising a dust cup (21); a filter assembly (4); a second mating portion (22); and a trigger member (23). The trigger member (23) mates with the second mating portion (22) such that the second matching portion (22) is controlled to move to a separated position when the trigger member (23) is triggered. At the separated position, the second mating portion (22) is separated from the first mating portion (15), enabling the dust cup assembly (2) to be removed. When the second mating portion (22) mates with the first mating portion (15), the dust cup assembly (2) is mounted to the machine body (1), and a suction air duct (14) is in communication with an air inlet (24).

Description

handheld vacuum cleaner

Cross References to Related Applications

This application claims the priority of the Chinese patent application number "202110559641.0" filed by "Jiangsu Midea Cleaning Appliance Co., Ltd., Midea Group Co., Ltd." on May 21, 2021, entitled "Handheld Vacuum Cleaner".

technical field

The present application relates to the field of cleaning technology, in particular to a handheld vacuum cleaner.

Background technique

In the related art, the dust cup and filter assembly of the existing hand-held vacuum cleaner are set separately. When the hand-held vacuum cleaner is disassembled and cleaned, the dust cup and the filter assembly need to be disassembled from the body in turn, which will lead to the disassembly and cleaning process of the hand-held vacuum cleaner. It is cumbersome and easy to cause user complaints. Moreover, dismantling the dust cup and the filter assembly in turn may easily cause the dust in the dust cup and/or the filter assembly to spill out, and the spilled dust will fall on the hands of the user, thereby further reducing the user experience.

Contents of the invention

This application aims to solve at least one of the technical problems existing in the prior art. For this reason, the present application proposes a hand-held vacuum cleaner, which is simpler to disassemble and clean, and can also prevent dust from spilling out of the dust cup and filter assembly.

The hand-held vacuum cleaner according to the present application includes: a body, the body includes a casing and a fan, the fan is arranged in the casing, a connection assembly is provided on the casing, and a connecting assembly is provided in the connection assembly Suction air duct, the fuselage is provided with a first matching part; a dust cup assembly, the dust cup assembly includes a dust cup, a filter assembly, a second matching part and a trigger, and the dust cup is provided with an air inlet , the filter assembly is detachably arranged in the dust cup, the second matching part and the trigger part are respectively arranged on the dust cup, and the trigger part cooperates with the second matching part to trigger control the movement of the second matching part to the disengaged position, in which the second matching part is separated from the first matching part so that the dust cup assembly can be removed, and the second matching part When cooperating with the first matching part, the dust cup assembly is installed on the body and the suction air duct communicates with the air inlet.

According to the hand-held vacuum cleaner of the present application, the filter assembly is detachably arranged in the dust cup, and the dust cup assembly is detachably installed on the body. Compared with the prior art, the dust cup assembly can simplify the operation of the hand-held vacuum cleaner. The disassembly and cleaning process can also prevent dust from spilling out of the dust cup and/or filter assembly.

In some examples of the present application, the first matching part is a slot provided on the casing, the second matching part is a hook, and when the trigger is pressed, the hook faces away from the Move in the direction of the card slot to disengage from the card slot.

In some examples of the present application, the second fitting part is an elastic hook, and the second fitting part is configured to be squeezed and deformed during the assembly process so as to fit into the clip slot, and after being assembled in place, Restore the deformation and collide with the card slot to make a sound.

In some examples of the present application, an annular seal is provided at the end of the suction air duct, and the dust cup assembly is in contact with the seal when the dust cup assembly is installed on the fuselage.

In some examples of the present application, the connection assembly and the trigger member are located on the same side of the handheld vacuum cleaner.

In some examples of the present application, the dust cup includes: a cup body, the filter assembly is arranged in the cup body, the second matching part and the trigger member are respectively arranged on the cup body, the The bottom of the cup body is provided with a dust outlet; and an end cover is movably arranged on the dust outlet to open or close the dust outlet.

In some examples of the present application, one end of the end cover is rotatably connected to the cup body, and the other end of the end cover is provided with a third matching portion; a fourth matching portion, and the fourth matching portion is provided with On the cup body and separated from or matched with the third matching part; dust outlet part, the dust outlet part is connected with the fourth matching part, and controls the fourth matching part when the dust outlet part is triggered The part is separated from the third matching part so that the end cap can be opened.

In some examples of the present application, the third matching portion and the fourth matching portion are hook-fitted, and when the dust outlet member is pressed, the fourth matching portion faces away from the third matching portion move to separate from the third mating portion.

In some examples of the present application, the dust outlet member and the trigger member are located on the same side of the dust cup.

In some examples of the present application, the fuselage is provided with a first positioning part, and the dust cup is provided with a second positioning part. When the dust cup assembly is installed on the fuselage, the first positioning part Cooperate with the second positioning part to position the dust cup assembly.

In some examples of the present application, the filter assembly includes: a cyclone separator, the cyclone separator is detachably arranged in the dust cup, and the air inlet is located on a circumferential side of the cyclone separator.

In some examples of the present application, the filter assembly further includes filter cotton, and the filter cotton is detachably arranged at the air outlet end of the cyclone separator.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Description of drawings

Fig. 1 is a side view of a handheld vacuum cleaner according to an embodiment of the present application;

Fig. 2 is a cross-sectional view of a handheld vacuum cleaner according to an embodiment of the present application;

Fig. 3 is the enlarged view of place A in Fig. 2;

Fig. 4 is the enlarged view of place B in Fig. 2;

Fig. 5 is an exploded view of a handheld vacuum cleaner according to an embodiment of the present application;

Fig. 6 is an exploded view of another angle of the handheld vacuum cleaner according to the embodiment of the present application;

Fig. 7 is an exploded sectional view of a handheld vacuum cleaner according to an embodiment of the present application.

Detailed ways

Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying the referred device or element Must be in a particular orientation, constructed, and operate in a particular orientation, and thus should not be construed as limiting of the application. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified, "plurality" means two or more.

The following describes a handheld vacuum cleaner 100 according to an embodiment of the present application with reference to FIGS. 1-7 .

As shown in FIGS. 1-7 , the handheld vacuum cleaner 100 according to the embodiment of the present application includes: a body 1 and a dust cup assembly 2 , the body 1 includes a fan 12 and a casing 11 , and the fan 12 is disposed in the casing 11 . Preferably, the fan 12 can be a centrifugal fan.

The casing 11 is provided with a connection assembly 13, and the connection assembly 13 is provided with a suction air duct 14. The suction air duct 14 has a casing air inlet 18 located on the casing 11, and the casing 11 can be provided with an organic casing outlet. The air outlet 19, as shown in FIG. 2 , the casing air inlet 18 can be arranged at the front end of the casing 11 in FIG. 2 , and the casing air outlet 19 can be arranged at the upper end of the casing 11 in FIG. 2 . It can be understood that the fan 12 can compress the air in the casing 11, and the fan 12 can discharge the compressed air in the casing 11 from the casing air outlet 19 to the outside of the casing 11, and a negative air can be formed in the casing 1. Under the action of negative pressure in the fuselage 1, air can be supplemented to the fan 12 from the air inlet 18 of the casing through the suction air duct 14 and the dust cup assembly 2 to balance the air pressure of the fan 12.

The body 1 is provided with a first fitting part 15, the dust cup assembly 2 includes a dust cup 21, a filter assembly 4, a second fitting part 22 and a trigger 23, the dust cup 21 is provided with an air inlet 24, and the filter assembly 4 is detachable The second matching part 22 and the trigger part 23 are respectively arranged on the dust cup 21, the trigger part 23 cooperates with the second matching part 22, and the trigger part 23 controls the movement of the second matching part 22 when triggered To the separation position, at the separation position, the second matching part 22 is separated from the first matching part 15 so that the dust cup assembly 2 can be removed. When the second matching part 22 cooperates with the first matching part 15, the dust cup assembly 2 is installed on the body 1 and the suction duct 14 communicates with the air inlet 24.

It should be noted that the handheld vacuum cleaner also includes a suction head (not shown in the figure), which can move on objects to be cleaned, such as the ground, sofas, etc. The head can be connected to the connection assembly 13 through a pipeline, and the dust suction head can also be directly installed on the connection assembly 13, and the air with debris is sucked through the dust suction head. For ease of description, the air inhaled by the hand-held vacuum cleaner 100 is described as dust-laden air, but it can be understood that the air inhaled by the hand-held vacuum cleaner 100 not only carries dust, but also hair and other impurities. things.

Specifically, when the handheld vacuum cleaner 100 is turned on, the dust-laden air is sucked through the cleaning head, and the dust-laden air needs to pass through the dust cup assembly 2 to flow into the body 1. When the dust-laden air passes through the dust cup assembly 2, the dust-laden air The dust inside can be filtered by the filter assembly and stay in the dust cup assembly 2. After the dusty air is filtered by the filter assembly 4, the dust can stay in the dust cup 21, and the clean air can pass through the dust cup assembly 2 and the casing. The air outlet 29 opposite to the air outlet 19 flows out of the dust cup assembly 2, and the clean air can be compressed by the fan 12 and sent out from the casing air outlet 19 to the outside of the body 1, thereby realizing the dust collection effect of the handheld vacuum cleaner 100.

The dust cup assembly 2 is detachably mounted on the body 1, and the body 1 has an installation position where the dust cup assembly 2 can be installed. When the dust cup assembly 2 needs to be cleaned or cleaned, the dust cup assembly 2 can be removed from the body 1 . The body 1 is provided with a first matching part 15 , and the dust cup 21 is provided with a second matching part 22 , and the second matching part 22 can selectively cooperate with the first matching part 15 . The trigger piece 23 is connected with the second matching part 22, and the trigger piece 23 can control the second matching part 22 to move between the separation position and the locking position. When the dust cup assembly 2 needs to be disassembled, by triggering the trigger 23 provided on the dust cup 21, the trigger 23 can drive the second matching part 22 to move from the locked position to the separated position, so that the dust cup assembly 2 can be removed from the fuselage. 1, the dust cup assembly 2 can be removed from the body 1 in the unlocked state, and the user can clean or remove dust from the removed dust cup assembly 2.

Since the filter assembly 4 is detachably arranged in the dust cup 21, when the dust cup assembly 2 is removed from the body 1, the dust cup 21 and the filter assembly 4 can be separated from the body 1 at the same time, thereby simplifying the hand-held vacuum cleaner 100. In addition, the user does not need to worry about dust spilling from the dust cup 21 and/or the filter assembly 4 when disassembling the dust cup assembly 2 from the body 1, thereby improving the user's product satisfaction with the handheld vacuum cleaner 100.

At the same time, it should be noted that the dust cup assembly in some hand-held vacuum cleaners of the related art can also be disassembled, but the dust cup assembly is connected with a connection assembly that matches the dust suction head, so after disassembly due to the existence of the connection assembly, it cannot Clean the dust cup assembly directly, and the overall weight of the dust cup assembly is relatively large, making it inconvenient to disassemble.

According to the handheld vacuum cleaner 100 of the embodiment of the present application, the connection assembly 13 connected with the dust suction head is arranged on the casing 11, and when the dust needs to be removed, the dust cup assembly 2 is disassembled, because the dust cup assembly 2 is not provided with a connection assembly , is to set a detachable filter assembly in the dust cup to integrate the dust cup assembly, so the whole dust cup assembly can be taken away for cleaning, which is convenient for dust cleaning, and the dust cup assembly is lighter than the related technology, so it is easy to disassemble.

It can be understood that after the dust cup assembly is disassembled, the filter assembly can also be taken out from the dust cup for cleaning or replacement.

After the dust cup assembly 2 is cleaned or cleaned, by assembling the dust cup assembly 2 with the body 1, the dust cup assembly 2 can be installed at the installation position, and the trigger 23 is assembled between the dust cup assembly 2 and the body 1 When it is not triggered, the second matching part 22 is reset to the locking position to cooperate with the first matching part 15 to lock the position of the dust cup assembly 2 on the fuselage 1, so that the dust cup assembly 2 can be fixed on the fuselage 1, the dust cup assembly 2 can communicate with the suction air duct 14 when it is installed, and the dusty air in the suction air duct 14 can enter the dust cup assembly 2 through the air inlet 24 for filtering.

According to the hand-held vacuum cleaner of the embodiment of the present application, the dust cup with the filter assembly can be disassembled from the body 1 for cleaning, which not only simplifies the disassembly process of the dust cup assembly, but also prevents dust and other debris from coming out of the dust cup and/or Or the filter assembly is spilled, and the entire dust cup assembly can also be taken away for cleaning, which is convenient for dust cleaning. And because by setting the trigger piece and the first matching portion, when the trigger piece is triggered, the second matching portion 22 can be separated from the first matching portion 15 so that the dust cup assembly 2 can be removed, thereby facilitating the dust cup assembly. Disassemble.

In some embodiments of the present application, as shown in Fig. 2, Fig. 3, Fig. 5-Fig. , when the trigger 23 is pressed, the hook can move in a direction away from the slot, and the hook can be disengaged from the slot. It should be noted that, as shown in Figure 2, the direction of the hook away from the slot can refer to 2 in the forward direction. Wherein, when the hook is engaged with the slot, part of the structure of the hook can extend into the slot, and the part of the structure of the hook that extends into the slot can stop against the slot, and the slot is suitable for hand-held The height direction of the vacuum cleaner 100 restricts the movement of the hook. The height direction of the hand-held vacuum cleaner 100 can refer to the up and down direction in FIG. , the card slot can limit the movement of the dust cup assembly 2 through the hook, so that the technical effect of the fixed connection between the dust cup assembly 2 and the body 1 can be achieved.

Moreover, when the trigger member 23 is pressed, the trigger member 23 can drive the hook to move in a direction away from the slot. The movement of the hook is limited in the height direction, and the slot cannot restrict the movement of the dust cup assembly 2 through the hook. The dust cup assembly 2 can move relative to the main body 1 in the height direction of the handheld vacuum cleaner 100. At this time, the dust cup assembly 2 can be moved from the machine Remove from the body. Therefore, the fixing and dismounting of the dust cup assembly can be realized through the cooperation of the hook and the slot, so that the cooperation relationship is simple and reliable.

In some embodiments of the present application, the second fitting part 22 can be set as an elastic hook, and during the assembly process of the second fitting part 22, the second fitting part 22 can be configured to be fitted to the clip through extrusion deformation. In the slot, when the elastic hook and the slot are assembled in place, the elastic hook can restore the deformation, and the elastic hook can hit the slot, and a prompt sound can be issued when the elastic hook hits the slot, wherein the end of the slot A first guide part 110 can be provided, and the end of the elastic hook can be provided with a second guide part 210, as shown in Figure 2, the end of the card slot provided with the first guide part 110 can refer to the card in Figure 2 The bottom end of the groove, the end of the elastic hook provided with the second guide portion 210 may refer to the top end of the elastic hook, and the first guide portion 110 and the second guide portion 210 may guide and fit.

Preferably, both the first guide part 110 and the second guide part 210 can be set as inclined surfaces. During the assembly process of the second matching part 22, the first guide part 110 is suitable for abutting against the second guide part 210, and the second guide part The part 210 can move along the surface of the first guide part 110, and the first guide part 110 can drive the elastic hook to squeeze and deform. When the elastic hook is squeezed and deformed, it can move away from the slot. When the height position of the second guide part 210 exceeds the height position of the first guide part 110, the elastic hook can extend into the groove under the action of the elastic force, and the groove can limit the elastic hook. When assembled in place in the card slot, the surface of the elastic hook close to the card slot can collide with the card slot, and when the card slot is hit, it can produce an impact sound. The impact sound can be set as a prompt sound, and the prompt sound can prove that the dust cup assembly 2 and the Assemble in place between body 1. By setting the prompt sound during the process of assembling the dust cup assembly 2 to the body 1, the prompt sound can remind the user whether the dust cup assembly 2 and the body 1 are assembled in place, so that the hand-held vacuum cleaner 100 can be avoided due to not being installed in place. During use, the dust cup assembly 2 falls off from the body 1 , thereby improving the working stability of the handheld vacuum cleaner 100 .

In some embodiments of the present application, as shown in Fig. 2, Fig. 3 and Fig. 7, the sealing member 16 can be arranged at the end of the suction air duct 14, and the sealing member 16 can be arranged in an annular structure, when the dust cup assembly 2 When installed on the body 1 , the sealing member 16 can be in contact with the dust cup assembly 2 . Preferably, the sealing member 16 can be a rubber member, and the sealing member 16 can be arranged at one end of the suction air duct 14 close to the dust cup assembly 2, as shown in FIG. 2 , the end of the suction air duct 14 close to the dust cup assembly 2 It may refer to the rear end of the suction air duct 14 in FIG. 2 , the sealing member 16 may extend in the axial direction of the suction air duct 14 , and the axial direction of the suction air duct 14 may refer to the front and rear directions in FIG. 2 .

Moreover, the sealing member 16 is suitable for abutting against the dust cup assembly 2. When the fuselage 1 cooperates with the dust cup assembly 2, the dust cup assembly 2 can squeeze the sealing member 16, and the sealing member 16 is deformed after being pressed, and the sealing member 16 The gap between the air inlet 24 and the suction air duct 14 can be sealed. When the hand-held vacuum cleaner 100 is in working condition, the dusty air in the suction air duct 14 cannot flow from the air inlet 24 to the suction air duct 14. The gap flows into the casing 11 , so that the inside of the casing 11 can be kept clean and tidy, and the product quality of the handheld vacuum cleaner 100 can be further improved.

In some embodiments of the present application, as shown in FIGS. 1-3 , 5-7 , the trigger 23 and the connection assembly 13 are located on the same side of the handheld vacuum cleaner 100 . Wherein, both the trigger 23 and the connection assembly 13 can be arranged on the front side of the handheld vacuum cleaner 100. It should be noted that a handle 111 can also be arranged on the rear side of the casing 11, and the user can operate the handheld vacuum cleaner by holding the handle 111. 100, by arranging the connection assembly 13 on the front side of the hand-held vacuum cleaner 100, when the user holds the hand-held vacuum cleaner 100, the opening direction of the air inlet 18 of the casing provided on the connection assembly 13 can face the front side of the user, which can facilitate The user installs the suction head. Moreover, by arranging the trigger piece 23 on the front side of the hand-held vacuum cleaner 100, the trigger piece 23 can be prevented from interfering with the handle 111, and the trigger area of the trigger piece 23 can also be increased, so that it is easier for the user to unlock the door through the trigger piece 23. The dust cup assembly 2 can further improve the user's satisfaction with the handheld vacuum cleaner 100 .

In some embodiments of the present application, as shown in Fig. 1-Fig. 2 and Fig. 4-Fig. The body 25 can be provided with a trigger 23 and a second matching part 22, the dust outlet 26 can be arranged at the bottom of the cup body 25, the end cover 3 can be movably arranged on the dust outlet 26, and the end cover 3 can be opened or closed Dust outlet. Preferably, a deformable elastic piece 6 is provided between the trigger piece 23 and the cup body 25, and the trigger piece 23, the elastic piece 6 and the second matching portion 22 can be integrally formed. When the user presses the trigger piece 23, the elastic piece 6 is squeezed. Elastic deformation can occur after pressing, and the trigger 23 can drive the second matching part 22 to move away from the card slot, that is to say, the second matching part 22 can move from the locked position to the disengaged position, and the dust cup assembly 2 is unlocked Afterwards, it can be removed from the body 1.

When the user no longer squeezes the trigger piece, the elastic piece 6 can be reset under the action of the elastic force, and the elastic piece 6 can drive the second matching portion 22 to move towards the direction close to the card slot to reset during the reset process. Then the user can install the dust cup assembly 2 on the body 1. During the installation process, the second matching part 22 is squeezed and deformed to fit into the slot. When the elastic hook and the slot are assembled in place, the elastic hook The deformation can be recovered, and the elastic hook can collide with the card slot, and a prompt sound can be emitted when the elastic hook collides with the card slot. That is to say, the second matching part 22 can move from the separated position to the locked position, and the dust cup assembly 2 can be fixed on the body 1 after being locked. Compared with the trigger part of the electric control structure, the trigger part 23 of the mechanical structure has higher working reliability, the trigger part 23 is not easy to be damaged, and the trigger part 23 does not need to be powered on when working.

And, by setting the filter assembly 4 in the cup body 25, the filter assembly 4 and the cup body 25 can be integrated together, and when the dusty air enters the cup body 25, the filter assembly 4 can separate the air from the dust, from the air The dust separated from the vacuum cleaner can be accumulated in the cup body 25. After the hand-held vacuum cleaner 100 works for a long time, too much dust accumulated in the cup body 25 will affect the dust collection effect of the hand-held vacuum cleaner 100. A dust outlet 26 is provided, and the dust outlet 26 can communicate with the cup body 25 and the external environment, and the dust in the cup body 25 can be poured out from the dust outlet 26, thereby reducing the dust volume in the cup body 25.

Simultaneously, in order to make the dust outlet 26 close when the hand-held vacuum cleaner 100 sucks dust, and in order to make the dust outlet 26 open when the hand-held vacuum cleaner 100 cleans the dust, by setting the end cover 3 at the bottom of the cup body 25, the end cover 3 It is suitable for covering the dust outlet 26, and the end cover 3 can selectively open the dust outlet 26. Specifically, the end cover 3 and the cup body 25 are provided with pivot holes, and the pivot shafts can pass through the end cover 3 in turn. After the pivot hole of the pivot hole and the pivot hole of the cup body 25, the end cover 3 and the cup body 25 are connected together, and the end cover 3 can rotate around the central axis of the pivot shaft. , the end cover 3 can open the dust outlet 26, and the dust can be poured out from the dust outlet 26. When the end cover 3 rotates toward the direction close to the dust outlet 26, the end cover 3 can close the dust outlet 26, and the dust cup assembly 2 can be closed after the dust outlet 26 is closed, so that dust can be avoided when the hand-held vacuum cleaner 100 is working. Spills from dust cup assembly 2.

In some embodiments of the present application, as shown in FIGS. 1-2 and 4-7 , the dust cup assembly 2 may further include: a third matching portion 31 , a fourth matching portion 27 and a dust outlet member 5 . The end cover 3 can be connected on the cup body 25, and one end of the end cover 3 can rotate relative to the cup body 25, and the third matching part 31 can be arranged on the other end of the end cover 3, and the end cover 3 can be rotated relative to the cup body 25. The rotating end can refer to the rear end of the cup body 25 in FIG. 2 , and the end of the end cover 3 provided with the third matching portion 31 can refer to the front end of the cup body 25 in FIG. 2 . A fourth matching portion 27 may be provided on the cup body 25 , and the third matching portion 31 may be separated from or engaged with the fourth matching portion 27 . The fourth matching part 27 can also be connected with the dust outlet part 5. When the dust outlet part 5 is triggered, the dust outlet part 5 can control the third matching part 31 to separate from the fourth matching part 27, and the third matching part 31 and the fourth matching part 27 can be separated. After the fourth matching portion 27 is separated, the end cover 3 can be opened. Wherein, the pivot hole of the end cover 3 can be arranged at the rear end of the end cover 3, the pivot hole of the cup body 25 can be arranged at the rear end of the cup body 25, and the rear end of the cup body 25 can rotate around the central axis of the pivot shaft , so that the end cover 3 opens or closes the dust outlet 26.

And, when the third matching part 31 is matched with the fourth matching part 27, the third matching part 31 and the fourth matching part 27 can lock the end cover 3, and the end cover 3 cannot open the dust outlet 26, thereby ensuring that the dust does not It will spill out from the dust cup assembly 2. When the third matching part 31 is separated from the fourth matching part 27, the third matching part 31 and the fourth matching part 27 can unlock the end cover 3, the end cover 3 can rotate around the central axis of the pivot shaft, and the end cover 3 can be opened out. Dust outlet 26, thereby dust can be poured out from dust outlet 26. The dust outlet part 5 can control the fourth matching part 27 to cooperate with the third matching part 31 , and the dust outlet part 5 can also control the fourth matching part 27 to separate from the third matching part 31 .

Specifically, when the user presses the dust outlet 5, the dust outlet 5 can be triggered, and after the dust outlet 5 is triggered, the fourth matching part 27 can be driven to separate from the third matching part 31, and the fourth matching part 27 can be separated from the third matching part 31. The end cover 3 can be unlocked after the matching part 31 is separated. When the user no longer presses the dust outlet part 5, the dust outlet part 5 can be reset, and the dust outlet part 5 can drive the fourth matching part 27 to cooperate with the third matching part 31 when resetting, and the fourth matching part 27 and the third matching part 31 can lock the end cover 3 after matching.

Of course, it can be understood that the dust outlet part 5 can only control the separation of the fourth matching part 27 from the third matching part 31, and the user can push the end cover 3 to rotate toward the direction of closing the dust outlet so that the fourth matching part 27 is separated from the third matching part 31. The three matching parts 31 are matched.

Further, as shown in Fig. 1-Fig. 2 and Fig. 4-Fig. 7, the fourth mating part 27 and the third mating part 31 can be hook-fitted. When the dust outlet part 5 is pressed, the fourth mating part 27 It can move in a direction away from the third matching part 31 , and the fourth matching part 27 can be separated from the third matching part 31 . Wherein, the third engaging portion 31 can be set as a first hook, the fourth engaging portion 27 can be set as a second hook, the first hook can have a first engaging surface 32, and the second hook can have a second engaging surface. The connecting surface 211, the first engaging surface 32 is suitable for cooperating with the second engaging surface 211, when the fourth engaging portion 27 and the third engaging portion 31 are hooked together, the first engaging surface 32 can be matched with the second engaging surface 211 The clamping surfaces 211 are mutually limited in the height direction of the handheld vacuum cleaner 100 , so that the technical effect of locking the end cover 3 by the fourth matching portion 27 can be achieved. When the fourth mating portion 27 is separated from the third mating portion 31, the first engaging surface 32 is separated from the second engaging surface 211, and the first engaging surface 32 and the second engaging surface 211 are no longer mutually Limiting, the first clamping surface 32 can move relative to the second clamping surface 211 , so that the technical effect of unlocking the end cover 3 can be achieved.

In some embodiments of the present application, as shown in FIGS. 1-7 , both the trigger member 23 and the dust outlet member 5 may be located on the same side of the dust cup 21 . Wherein, as shown in Figure 2, the trigger 23 and the dust outlet 5 can be arranged on the front end of the dust cup 21, the front and rear direction of the dust cup 21 can refer to the front and rear direction in Figure 2, and the trigger 23 and the dust outlet 5 can be arranged at intervals in the height direction of the dust cup 21, the height direction of the dust cup 21 can refer to the up and down direction in Fig. The shrapnel 6, when the trigger 23 is pressed, the trigger 23 can be triggered, and the dust cup assembly 2 can be unlocked after the trigger 23 is triggered, so that the dust cup assembly 2 can be detached from the body 1 . When the dust outlet 5 is pressed, the dust outlet 5 can be triggered, the dust outlet 26 can be opened, and the dust in the dust cup assembly 2 can be poured out from the dust outlet 26 .

Moreover, the surfaces of the trigger 23 and the dust outlet 5 can be provided with functional identifications, and the function identification can remind the user of the functions of the trigger 23 and the dust outlet 5. For example, the surface of the trigger 23 can be provided with a disassembly mark. The mark can remind the user to unlock the dust cup assembly 2 by pressing the trigger 23 . For another example, a dust discharge mark can be provided on the surface of the dust discharge member 5 , and the dust discharge mark can remind the user to open the dust outlet 26 by pressing the dust discharge member 5 . By arranging functional marks on the surfaces of the triggering member 23 and the dust outlet member 5, user misoperations can be avoided.

In some embodiments of the present application, as shown in Fig. 4, Fig. 5 and Fig. 7, the dust cup 21 may be provided with a second positioning part 28, and the fuselage 1 may be provided with a first positioning part 17, when the dust cup assembly 2 When connecting with the fuselage 1, the first positioning part 17 and the second positioning part 28 can be matched and connected, and the dust cup assembly 2 can be positioned after the first positioning part 17 and the second positioning part 28 cooperate. Wherein, one of the first positioning portion 17 and the second positioning portion 28 can be set as a positioning protrusion, and the other of the first positioning portion 17 and the second positioning portion 28 can be set as a positioning groove. Preferably, the first positioning portion Part 17 can be set as a positioning groove, and the second positioning portion 28 can be set as a positioning protrusion. The positioning protrusion can extend into the positioning groove, and the positioning protrusion is suitable for resisting against the groove wall of the positioning groove. Rotate in the circumferential direction of the dust cup assembly 2, the second positioning part 28 can be arranged on the dust cup 21, that is to say, the positioning groove can limit the rotation of the dust cup assembly 2 through the positioning protrusion, so as to ensure that the air inlet 24 and the The suction air duct 14 is connected, and when the air inlet 24 is kept in communication with the suction air duct 14, the dusty air can be allowed to flow into the dust cup assembly 2 for dust and gas separation, and the cooperation between the first positioning part 17 and the second positioning part 28 can ensure The handheld vacuum cleaner 100 works normally.

In some embodiments of the present application, as shown in Fig. 2, Fig. 4-Fig. The cups 21 are detachably connected together, and an air inlet 24 may be provided on one circumferential side of the cyclone separator 41 . Wherein, the cyclone separator 41 is used to filter out the dust in the dusty air. The cyclone separation part 41 can be set to a cylindrical structure, and the inside of the cyclone separation part 41 can define a wind cavity 44, the wind cavity 44 can be communicated with the air outlet 29, and the central axis of the cyclone separation part 41 can be connected to the center of the dust cup 21. The axes are on the same straight line, and the cyclone separator 41 can be extended in the height direction of the dust cup assembly 2. The bottom end of the cyclone separator 41 can stop against the end cover 3, and the outer wall of the cyclone separator 41 can be in contact with the dust cup 21. The inner walls of the cyclone separator 41 and the inner wall of the dust cup 21 can form a filtering space 45 . The surface of the cyclone separation part 41 can be provided with at least one air passage hole 43, and the air passage hole 43 can be connected with the air cavity 44 and the filter space 45, and the filtered air can flow into the air cavity 44 from the filter space 45, and the air in the air cavity 44 Air can flow out of the dust cup assembly 2 from the air outlet 29 .

The dust cup assembly 2 can be provided with an installation part at the air outlet 29, and the installation part can be used to install the cyclone separation part 41, and the cyclone separation part 41 can extend into the dust cup 21 from the air outlet 29, and the cyclone separation part 41 can be installed with department connection. When the dusty air enters the dust cup 21 from the air inlet 24 along the tangential direction of the dust cup 21, the dusty air can flow in the circumferential direction of the cyclone separator 41 along the inner wall of the dust cup 21 and the outer wall of the cyclone separator 41. , the dust in the dusty air can be separated, and the dust can stay in the filter space 45. When the dust outlet 26 is opened, the dust can be poured out from the filter space 45. Opening the dust outlet 26 can prevent the dust from being filtered. Excessive accumulation in the space 45 affects the dust collection effect of the handheld vacuum cleaner 100 . The filtered air can flow into the air cavity 44 from the air passage hole 43, so that the technical effect of dust and air separation can be realized.

It should be noted that a second separator 46 can also be provided in the air chamber 44, and the second separator 46 can be connected with the cyclone separator 41. The cyclone separator 41 can be provided with a conical structure at the lower end of the air chamber 44, and the cone A dust storage space 47 can be defined between the bottom of the shaped structure and the end cover 3. After the air completes the primary dust removal in the filter space 45 and enters the wind chamber 44, the air can perform secondary dust removal on the second separator 46, and the air It can be further separated from the dust, thereby improving the dust blocking effect of the dust cup assembly 2 and avoiding the blockage of the air outlet 29 . The dust separated from the air can fall into the dust storage space 47 along the conical structure. When the dust outlet 26 was opened, the dust could be poured out from the dust storage space 47. Opening the dust outlet 26 can prevent the dust from Too much accumulation in the dust storage space 47 affects the dust collection effect of the handheld vacuum cleaner 100 .

Further, the filter assembly 4 may further include a filter cotton 42 , which may be arranged at the air outlet end of the cyclone separator 41 , and the filter cotton 42 is detachably connected to the cyclone separator 41 . Wherein, the air outlet end of the cyclone separator 41 can be set opposite to the air outlet 29 of the dust cup assembly 2, as shown in Figure 2, the wind outlet end of the cyclone separator 41 can refer to the upper end of the cyclone separator 41 in Figure 2, the cyclone The air outlet end of the separator 41 can communicate with the air chamber 44 , and the filtered air in the air chamber 44 can be discharged from the air outlet end of the cyclone separator 41 to the outside of the dust cup assembly 2 . The air outlet end of cyclone separation part 41 can define installation groove, and filter cotton 42 can be installed in the installation groove, and filter cotton 42 can cover the wind outlet end of cyclone separation part 41, when air flows towards fan 12 from wind chamber 44, The filter cotton 42 can block residual dust in the air, and the filter cotton 42 can prevent the fan 12 and/or the casing air outlet 19 from being blocked, thereby improving the working stability of the handheld vacuum cleaner 100 .

And, the concrete structure of filter cotton 42 can be, can fill cotton material in filter cotton 42, and cotton material filters and absorbs dust, and one end of filter cotton 42 near fan 12 can allow air to flow through, and filter cotton 42 is close to fan 12. One end of 12 can block dust. It should be noted that the end of the filter cotton 42 close to the fan 12 can refer to the upper end of the filter cotton 42 in FIG. 2 . One end of the filter cotton 42 near the cyclone separator 41 can be provided with a plurality of holes, and the air can enter the filter cotton 42 through the holes to filter, and the end of the filter cotton 42 near the cyclone separator 41 can refer to the filter cotton 42 in Fig. 2 lower end. After the handheld vacuum cleaner 100 vacuums for a long time, the filter cotton 42 can be removed from the filter assembly 4 for cleaning, so as to ensure that the filter cotton 42 has a good filtering ability. A handle can also be provided on the filter cotton 42 , and the handle can be used to help the user remove the filter cotton 42 from the filter assembly 4 , thereby optimizing the user's experience of using the handheld vacuum cleaner 100 .

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the application is defined by the claims and their equivalents.

Claims

A handheld vacuum cleaner, characterized in that it comprises:

The fuselage, the fuselage includes a casing and a fan, the fan is arranged in the casing, the casing is provided with a connecting assembly, the connecting assembly is provided with a suction air duct, and the casing There is a first matching part on it;

A dust cup assembly, the dust cup assembly includes a dust cup, a filter assembly, a second matching part and a trigger, the dust cup is provided with an air inlet, the filter assembly is detachably arranged in the dust cup, the The second matching part and the triggering part are respectively arranged on the dust cup, and the triggering part cooperates with the second matching part to control the movement of the second matching part to the disengaged position when triggered. The second matching part is separated from the first matching part so that the dust cup assembly can be removed. When the second matching part cooperates with the first matching part, the dust cup assembly is installed on the The fuselage and the suction air duct communicate with the air inlet.
The hand-held vacuum cleaner according to claim 1, wherein the first matching part is a slot provided on the casing, the second matching part is a hook, and when the trigger is pressed, The hook moves in a direction away from the slot to disengage from the slot.
The hand-held vacuum cleaner according to claim 2, wherein the second matching part is an elastic hook, and the second matching part is configured to be squeezed and deformed during assembly to fit into the slot After being assembled in place, it recovers its deformation and collides with the card slot to make a prompt sound.
The hand-held vacuum cleaner according to any one of claims 1-3, characterized in that, the end of the suction air duct is provided with an annular seal, and the dust cup assembly is mounted on the body. The dust cup assembly is in contact with the seal.
The handheld vacuum cleaner according to any one of claims 1-4, characterized in that, the connection assembly and the trigger member are located on the same side of the handheld vacuum cleaner.
The handheld vacuum cleaner according to any one of claims 1-5, wherein the dust cup comprises:

A cup body, the filter assembly is arranged in the cup body, the second matching part and the trigger piece are respectively arranged on the cup body, and a dust outlet is provided at the bottom of the cup body;

An end cover, the end cover is movably arranged on the dust outlet to open or close the dust outlet.
The hand-held vacuum cleaner according to claim 6, wherein one end of the end cover is rotatably connected to the cup, and the other end of the end cover is provided with a third matching part;

a fourth matching part, the fourth matching part is provided on the cup body and is separated from or matched with the third matching part;

A dust outlet part, the dust outlet part is connected to the fourth matching part, and when the dust outlet part is triggered, the fourth matching part is controlled to separate from the third matching part so that the end cover can be opened .
The hand-held vacuum cleaner according to claim 7, characterized in that, the third matching portion and the fourth matching portion are hooked together, and when the dust outlet member is pressed, the fourth matching portion faces away from the The direction of the third matching part is movable to separate from the third matching part.
The handheld vacuum cleaner according to claim 7, wherein the dust outlet member and the trigger member are located on the same side of the dust cup.
The handheld vacuum cleaner according to any one of claims 1-9, wherein the body is provided with a first positioning part, the dust cup is provided with a second positioning part, and the dust cup assembly is installed When reaching the fuselage, the first positioning part and the second positioning part cooperate to position the dust cup assembly.
The handheld vacuum cleaner according to any one of claims 1-10, wherein the filter assembly comprises:

A cyclone separation part, the cyclone separation part is detachably arranged in the dust cup, and the air inlet is located on a circumferential side of the cyclone separation part.
The handheld vacuum cleaner according to claim 11, wherein the filter assembly further includes filter cotton, and the filter cotton is detachably arranged at the air outlet end of the cyclone separator.