CN113749550B

CN113749550B - Handheld dust collector

Info

Publication number: CN113749550B
Application number: CN202010493555.XA
Authority: CN
Inventors: 王旭宁
Original assignee: Sharkninja China Technology Co Ltd
Current assignee: Sharkninja China Technology Co Ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2023-08-04
Anticipated expiration: 2040-06-03
Also published as: CN113749550A

Abstract

The present disclosure provides a hand-held cleaner including a main body, a handle, a battery, and a cover. Wherein, the front end of the main body is provided with a dust collection opening; the handle is arranged at the rear side of the main body, and a battery accommodating cavity is formed on the handle; the battery is detachably arranged in the battery accommodating cavity along the axial direction of the handle, and a wiring terminal is arranged on the battery; the cover case is connected to an end of the battery remote from the main body, and is detachably connected to the handle in a state where the battery is inserted into the battery accommodating chamber and thus closes the battery accommodating chamber. The handheld dust collector with the structure can be detached by a user when the battery is not electrified, so that the user can replace the standby battery which is full of electricity, and the user can continue to use the handheld dust collector to clean.

Description

Handheld dust collector

Technical Field

The disclosure belongs to the technical field of cleaning equipment, and particularly provides a handheld dust collector.

Background

With the improvement of the living standard of people, the dust collector enters more families, and is convenient for the living of people.

The dust collector is a product which picks up dust, hair, scraps and other foreign matters on the ground, beds, sofas, corners and other places by negative pressure.

The existing dust collector has two main power supply modes, one is connected to household thermal power through an electric wire; and secondly, the battery is arranged on the dust collector, so that the battery supplies power for the dust collector. Because the mode of supplying power through the battery does not have the constraint of pencil, the user of being convenient for carries the dust catcher to any place, consequently obtain user's favor.

However, existing cleaners are often similar to a cell phone in that the battery is fixedly mounted to the cleaner or the battery is difficult to be removed from the cleaner by a user. In the process of charging the battery, the dust collector cannot be used, and the use experience of a user is poor.

Disclosure of Invention

In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem that the existing vacuum cleaner cannot be used normally in the process of charging the battery thereof, the present disclosure provides a hand-held vacuum cleaner comprising:

the main body is provided with a dust collection port at the front end;

a handle disposed at a rear side of the main body, the handle having a battery receiving chamber formed therein;

a battery detachably mounted in the battery accommodating chamber in an axial direction of the handle, the battery being provided with a connection terminal;

And a cover case connected to an end of the battery remote from the main body, the cover case being detachably connected to the handle in a state where the battery is inserted into the battery receiving chamber and thus closing the battery receiving chamber.

Optionally, the connection terminal is a power jack provided at one end of the battery inserted into the battery mounting cavity, and a power pin is provided at a bottom wall of the battery mounting cavity; or, the connection terminal is a power pin arranged at one end of the battery inserted into the battery mounting cavity, and a power jack is arranged at the bottom wall of the battery mounting cavity.

Optionally, the side wall of the battery mounting cavity is provided with a clamping groove at a position close to the mounting opening; the cover shell is provided with a buckle matched with the clamping groove, and the cover shell is fixed with the handle through the clamping groove and the buckle which are matched together.

Optionally, a cantilever extending toward the main body is disposed on the cover, and the latch is disposed on an outer side of an end of the cantilever near the main body, and a gap is formed between the cantilever and the battery, so that the cantilever can move toward the battery and the latch is separated from the latch slot.

Optionally, a pressing structure is disposed on the outer side of the cantilever, a U-shaped yielding port is disposed at one end of the handle away from the main body, and the pressing structure can be embedded into the yielding port.

Optionally, a boss is further provided at an end of the battery inserted into the battery mounting cavity, and the power jack or the power pin is provided on the boss; the bottom wall of the battery mounting cavity is provided with a limiting structure matched with the boss; the boss and the limiting structure which are matched together can prevent the power pin from shaking in the power jack; and/or a guiding structure is arranged on the side wall of the battery, a guiding matching structure is arranged on the side wall of the battery accommodating cavity, and the guiding structure and the guiding matching structure are used for guiding the battery to be inserted into the battery mounting cavity.

Optionally, the limiting structure is an L-shaped limiting rib, and a limiting groove is formed in one side plate of the L-shaped limiting rib; a limiting rib is arranged on one side surface of the boss, and can be inserted into the limiting groove; and/or the guide structure is a guide groove extending along the mounting direction of the battery; the guide engaging structure is a guide rib extending along the mounting direction of the battery.

Optionally, a side surface of the boss corresponding to the other side plate of the L-shaped limiting rib is provided with an inclined surface, and the inclined surface can prevent the boss from interfering with the L-shaped limiting rib.

Alternatively, the cross section of the guide groove is gradually increased toward the direction in which the battery is inserted into the battery mounting chamber.

Optionally, the battery receiving cavity extends to a junction of the handle and the main body, so that the battery can be inserted into the junction; and/or the cross-sections of the battery and the battery mounting cavity are non-circular.

Based on the foregoing, it can be appreciated by those skilled in the art that in the foregoing technical solutions of the present disclosure, by providing a battery accommodating cavity on a handle of a handheld vacuum cleaner, the handle may be used to mount a battery, and by providing the battery in a form of being detachably mounted in the battery accommodating cavity along an axial direction thereof, the battery on the handle may be detached by a user when no electricity is provided, and further the user may replace a standby, full-electricity battery, so that the user may continue to use the handheld vacuum cleaner for cleaning operations. By connecting the cover case with the end of the battery remote from the main body and disposing the cover case detachably connected with the handle and thus closing the battery accommodating chamber, the cover case can protect the battery in a state where the battery is inserted into the handle.

Further, through setting up the draw-in groove in the lateral wall of battery installation cavity department near its installing port, set up on the lid shell with draw-in groove assorted buckle for the lid shell can be together fixed through draw-in groove and the buckle that matches together and handle, thereby with battery fixation to in the handle.

Still further, through setting up the cantilever that extends to the main part on the lid shell, set up aforesaid buckle in the outside that the cantilever is close to the one end of main part, set up pressing structure in the outside of cantilever, be provided with the mouth of stepping down of U-shaped in the one end that the main part was kept away from to the handle, make pressing structure can imbed in stepping down the mouth for the user breaks away from mutually with the draw-in groove on the handle through pressing aforesaid pressing structure just can make the buckle on the lid shell, thereby can take off the battery from the handle.

Drawings

Preferred embodiments of the present disclosure are described below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic view of a split structure of a cleaning apparatus in a preferred embodiment of the present disclosure;

FIG. 2 is a schematic illustration of the use of the cleaning device in a preferred embodiment of the present disclosure;

FIG. 3 is a schematic view of a split structure of a hand-held cleaner in accordance with a preferred embodiment of the present disclosure;

FIG. 4 is a first isometric view of a main body of a hand-held cleaner in a preferred embodiment of the disclosure;

FIG. 5 is a second isometric view of the main body of the hand-held cleaner in a preferred embodiment of the present disclosure;

fig. 6 is a view of the body of fig. 4 in the direction a;

FIG. 7 is a schematic diagram of the latch hook of the body in the latched state in a preferred embodiment of the present disclosure;

FIG. 8 is a schematic diagram of the latch hook of the body in an unlatched condition in a preferred embodiment of the present disclosure;

FIG. 9 is a bottom view of a portion of the dust box of the preferred embodiment of the present disclosure;

FIG. 10 is an isometric view of a portion of a dust box in a preferred embodiment of the disclosure;

FIG. 11 is a cross-sectional view of the portion of the dust box of FIG. 10 taken along the direction B-B;

FIG. 12 is a first isometric view of a battery and cover in a preferred embodiment of the disclosure;

FIG. 13 is a second isometric view of a battery and cover in a preferred embodiment of the disclosure;

FIG. 14 is a first isometric view of an extension pole in a preferred embodiment of the disclosure;

FIG. 15 is a second isometric view of an extension pole in a preferred embodiment of the disclosure;

FIG. 16 is a first isometric view of a charging dock in a preferred embodiment of the present disclosure;

fig. 17 is an enlarged view of a portion C in fig. 16;

fig. 18 is a second isometric view of a charging dock in a preferred embodiment of the disclosure.

List of reference numerals:

10. a hand-held cleaner;

11. a main body; 111. a dust collection port; 112. an air inlet channel; 113. a first snap fit structure; 114. a first unlocking key; 115. a second clamping and matching structure; 116. a second unlocking key; 117. a latch hook; 118. a transmission member; 119. a third unlocking key;

12. A handle; 121. a battery accommodating chamber; 122. a first power pin; 123. a clamping groove; 124. a yielding port; 125. l-shaped limit ribs; 1251. a first limit groove; 126. a guide rib;

13. a blower;

14. a dust box assembly; 141. a dust box; 1411. a first dust collection chamber; 14111. a first ash discharge port; 1412. a second dust collection chamber; 14121. a second ash discharge port; 1413. a third dust collection chamber; 14131. a third ash discharge port; 1414. a first clamping structure; 1415. a filter hole; 142. a primary filter device; 143. a secondary filter device; 1431. a through hole; 144. a three-stage filtration device; 1441. a second clamping structure;

15. a battery; 151. a boss; 152. a power jack; 153. a limit rib; 154. a guide groove;

16. a cover case; 161. a cantilever; 162. a buckle; 163. a pressing structure;

20. an extension rod; 21. a rod body; 22. a power receiving terminal; 23. a first electrical connection terminal; 24. a second electrical connection terminal; 25. a limit structure; 251. t-shaped limit protrusions; 252. a baffle;

30. a cleaning head assembly; 31. a connecting rod;

40. a charging stand;

41. a base; 411. a front stop structure; 412. a left stop structure; 413. a right stop structure;

42. a column; 421. a fixing member; 422. a charging terminal; 423. a T-shaped limit groove; 424. a conical groove; 425. a groove; 426. a socket; 427. a battery charging chamber; 4271. a second power pin; 4272. arc-shaped bosses; 4273. a slide bar; 4274. a limit protrusion; 42741. and the second limit groove.

Detailed Description

It should be understood by those skilled in the art that the embodiments described below are only preferred embodiments of the present disclosure, and do not represent that the present disclosure can be realized only by the preferred embodiments, which are merely for explaining the technical principles of the present disclosure, not for limiting the scope of the present disclosure. Based on the preferred embodiments provided by the present disclosure, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort shall still fall within the scope of the present disclosure.

It should be noted that, in the description of the present disclosure, terms such as "center," "upper," "lower," "top," "bottom," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate directional or positional relationships, which are based on the directional or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the present disclosure may be understood by those skilled in the art according to the specific circumstances.

As shown in fig. 1 and 2, in a preferred embodiment of the present disclosure, the cleaning apparatus generally comprises a hand-held cleaner 10, an wand 20 and a cleaning head assembly 30. Wherein the hand-held cleaner 10 can be used alone, i.e., pick up foreign matter/trash (dust, paper dust, hair, etc.) on the floor by the negative pressure generated thereby; the hand-held cleaner 10 may also be directly coupled to the cleaning head assembly 30 so that the cleaning head assembly 30 contacts the floor surface and picks up foreign objects/debris on the floor surface via the cleaning head assembly 30; the hand-held cleaner 10 may also be coupled to the wand 20 as shown in figure 2 and then coupled to the cleaning head assembly 30 via the wand 20, so that the cleaning apparatus is of sufficient height to facilitate operation by a user.

With continued reference to fig. 1 and 2, in a preferred embodiment of the present disclosure, the cleaning apparatus is further provided with a charging stand 40, which charging stand 40 is capable of holding the cleaning apparatus in an upright position as shown in fig. 2, so as to reduce the floor space of the cleaning apparatus. Further, the charging stand 40 is also capable of charging the battery 15 (shown in fig. 3) on the hand-held cleaner 10.

As shown in fig. 3, in a preferred embodiment of the present disclosure, the hand-held cleaner 10 basically includes a main body 11, a handle 12, a blower 13, a dust box assembly 14, a battery 15 and a cover 16. Wherein the handle 11 is provided at the rear side of the main body 11 and is fixedly connected or integrally formed with the main body 11; the blower 13 is fixedly installed to the rear of the main body 11; the dust box assembly 14 is detachably mounted to the main body 11 and is located at the front side of the blower 13; the battery 15 is detachably mounted to the handle 12, i.e., the user can mount the battery 15 to the handle 12 or detach the battery 15 from the handle 12 as desired; the cover 16 is connected with the battery 15 (the cover 16 and the battery 15 can be fixedly connected by a split piece, can be detachably connected by a split piece or can be integrally formed), and can be detachably mounted with the handle 12, so that the battery 15 and the handle 12 can be detachably connected.

In the preferred embodiment of the present disclosure, the center of gravity of the hand-held cleaner 10 is located between the blower 13 and the handle 12. Since the weight of the hand-held cleaner 10 is primarily concentrated on the blower 13 and the battery 15, in the preferred embodiment of the present disclosure, the center of gravity of the hand-held cleaner 10 is located between the blower 13 and the handle 12 primarily by configuring the relative positional relationship between the battery 15 and the blower 13 and other components on the hand-held cleaner 10.

Further, although not shown in the drawings, a supporting portion is formed at the bottom of the junction of the main body 11 and the handle 12, and the battery 15 and the blower 13 are configured such that the center of gravity of the hand-held cleaner 10 is located at the front side of the supporting portion, so that the center of gravity of the hand-held cleaner 10 is as close to the handle 12 as possible under the premise of satisfying the production and processing processes, thereby reducing the moment arm between the center of gravity of the hand-held cleaner 10 and the user when the user grips the handle 12, and thus reducing the torque applied to the user by the weight of the hand-held cleaner 10, so that the force applied to the user is substantially the same in any state of the hand-held cleaner 10, and improving the user experience of the user.

Although not shown in the drawings, for convenience of operation of the user, the support includes a recessed structure capable of abutting at least one finger of an operator, thereby enabling the user to operate the change in pitch of the hand-held cleaner 10 with the finger placed in the recessed structure as a support point.

As shown in fig. 3 to 8, the main body 11 is provided with a dust suction port 111, an air inlet duct 112, a first snap-fit structure 113, a first unlocking key 114, a second snap-fit structure 115, a second unlocking key 116, a lock hook 117 as a lock member, a transmission member 118, and a third unlocking key 119.

As shown in fig. 3 to 5, the main body 11 may be substantially divided into three parts: a dust suction port 111 and a front portion of the air inlet passage 112, a middle portion for mounting the dust box assembly 14, and a rear portion for mounting the blower 13 are provided. Wherein, the front end of the front part is formed with an inclined slope, and the dust suction opening 111 is provided at the front end of the main body 11 and is formed on the inclined slope, so that when the hand-held cleaner 10 is used alone, the main body 11 is only required to be inclined by a certain angle to obtain good contact between the dust suction opening 111 and the surface to be cleaned, thereby facilitating the operation and use of the user. The air inlet passage 112 penetrates the front portion of the main body 11 in the front-rear direction of the main body 11, and the front end of the air inlet passage 112 is opened to the middle portion of the main body 11 together with the dust suction port 111. As can be seen, the middle portion of the main body 11 is U-shaped or C-shaped in cross section so that the middle portion of the main body 11 fits into the dust box assembly 14 and forms a cylindrical first dust collection chamber 1411 (shown in fig. 9) between the main body 11 and the dust box assembly 14. Further, although not shown, the air inlet passage 112 is provided so that the air flow into the first dust collection chamber 1411 is spiral along the side wall of the first dust collection chamber 1411.

Wherein an angle between a slope formed at a front end of a front portion of the main body 11 and the main body 11 is 30 ° to 60 °, for example, 30 °, 45 °, 50 °, 60 °, etc., preferably 45 °.

As shown in fig. 3 to 6, the first snap-fit structure 113 is provided at the front of the main body 11 for locking the dust box 141 of the dust box assembly 14 to the main body 11 so that the main body 11 and the dust box 141 enclose and close the first dust collection chamber 1411. The first unlocking key 114 is used to switch the first snap-fit structure 113 from the locked state to the unlocked state, and the first unlocking key 114 is provided at the rear of the main body 11 and close to the handle 12, so that the first unlocking key 114 is operated by the left hand (or right hand) of the user holding the handle 12, thereby allowing the user to operate the hand-held cleaner 10 with one hand. In one example, the first snap-fit structure 113 is a hook disposed on the main body 11, the hook is pivotally connected to the main body 11, and the hook is further drivingly connected to the first unlocking key 114 through a connecting rod. A spring is also provided between the link and the body 11 for rotating the hook from the unlocked state to the locked state. When the first unlocking key 114 is pushed toward the front side of the main body 11, the first unlocking key 114 switches the hook from the locked state to the unlocked state through the link.

With continued reference to fig. 3-6, the second snap-fit structure 115 and the second unlocking key 116 are provided as one piece and pivotally provided on the rear of the body 11. Specifically, the second unlocking key 116 is a plate-like member pivotally connected to the main body 11, and the second snap-fit structure 115 is a hook provided on an upper side of a front end of the second unlocking key 116. Further, a torsion spring is provided between the second unlocking key 116 and the main body 11 for holding the hooks in the locked position to lock the tertiary filter 144 of the dust box assembly 14 to the main body 11. When the rear of the second unlocking key 116 is depressed, the second snap-fit arrangement 115 is rotated downwardly to an unlocked position, allowing the tertiary filter arrangement 144 of the dust box assembly 14 to be removed from the main body 11.

With continued reference to fig. 3 to 6, a third unlocking key 119 is provided at the rear of the main body 11 and close to the handle 12, so that the third unlocking key 119 is operated by the left hand (or right hand) of the user holding the handle 12, thereby allowing the user to operate the hand-held cleaner 10 with one hand. Specifically, the third unlocking key 119 is provided in an L-shaped structure to facilitate the operator (user) pulling the third unlocking key 119 toward the handle 12. Further, a third unlocking key 119 is provided on the left and right sides of the main body 11, respectively; one of the two third unlocking keys 119 can be operated by the thumb of the operator, and the other of the two third unlocking keys 119 can be operated by the index finger of the operator.

As shown in fig. 7 and 8, the latch hook 117 is pivotally connected to the main body 11, and specifically, the latch hook 117 has an L-shaped structure as a whole. One end of the L-shaped structure is provided with a hook, the other end of the L-shaped structure is in driving connection with the transmission piece 118, and the other end of the transmission piece 118 is in driving connection with the third unlocking key 119. Optionally, the transmission member 118 is pivotally connected to the latch hook 117 and the third unlatching key 119, respectively.

Further, although not shown in the drawings, a spring for holding the latch hook 117 in the locking position shown in fig. 7 is also provided between the latch hook 117 or the transmission member 118 or the third unlocking key 119 and the main body 11. Since the provision of a spring for achieving this function is a conventional technical means in the art, no further explanation will be made here.

Further, although not shown in the drawings, the latch hook 117 is provided at the front of the main body 11 and protrudes into the air intake passage 112 in the locked position shown in fig. 7 and is retracted outside the air intake passage 112 in the unlocked position shown in fig. 8.

It will be appreciated by those skilled in the art that the latch hook 117 in the latched position shown in figure 7 locks the wand 20 or cleaning head assembly 30 to the main body 11 in the condition in which the wand 20 or cleaning head assembly 30 is inserted into the air inlet channel 112. When the user pulls the third unlocking key 119 rearward, the latch hook 117 rotates from the locked position shown in fig. 7 to the unlocked position shown in fig. 8, allowing the extension rod 20 or the cleaning head assembly 30 to be separated from the main body 11.

Furthermore, it will be appreciated by those skilled in the art that the latch hook 117 may be any other viable locking means, such as a sliding lever, electromagnetic push rod, etc., provided that the wand 20 or cleaning head assembly 30 is secured to the hand-held cleaner 10.

Further, it will be appreciated by those skilled in the art that the latch hook 117 may be provided at any other possible location on the main body 11, for example at the front end of the main body 11 and on the outer surface of the main body 11 while being located outside the suction opening 111, provided that the wand 20 or cleaning head assembly 30 can be locked to the hand-held cleaner 10.

As shown in fig. 3 to 6, the handle 12 and the main body 11 have an angle therebetween, which enables the main body 11 to assume a downwardly inclined state when the user grips the handle 12, so that the user's grip of the handle 12 is more comfortable when the dust suction opening 111 of the main body 11 is in contact with the floor. Wherein the included angle has a value in the range of 5 ° to 30 °, preferably 10 ° to 15 °. The range of the included angle includes 5 °, 10 °, 15 ° and 30 °.

With continued reference to fig. 3 to 6, the handle 12 is provided with a battery accommodating chamber 121, a first power pin 122, a clamping groove 123, a relief opening 124, an L-shaped limit rib 125 as a limit structure, and a guide rib 126. Wherein the battery receiving chamber 121 is for receiving the battery 15. As can be seen from fig. 5, the battery receiving cavity 121 extends all the way to the junction of the handle 12 and the main body 11 so that the battery 15 can be inserted into the junction, thereby effectively reducing the length of the hand-held cleaner 10.

As shown in fig. 5 and 6, the first power supply pin 122 is provided on the bottom wall of the battery mounting chamber 121, and is capable of being inserted into a power supply insertion hole 152 as a connection terminal on the battery 15.

As will be appreciated by those skilled in the art, the first power pin 122 may be provided on the battery 15 as a connection terminal and the power jack 152 may be provided on the bottom wall of the battery mounting cavity 121 as desired by those skilled in the art while ensuring that the battery 15 is capable of providing power to the handheld vacuum cleaner 10. In other words, a power pin is provided on the battery 15, and a power socket is provided on the bottom wall of the battery mounting chamber 121.

As shown in fig. 5, a clamping groove 123 is provided on the side wall of the battery mounting cavity 121 near the mounting opening thereof, the clamping groove 123 is matched with a clamping buckle 162 (shown in fig. 12 and 13) on the cover 16, and the matched clamping groove 123 and clamping buckle 162 can fix the battery 15 and the cover 16 to the handle 12.

As shown in fig. 3 to 5, the relief opening 124 is disposed at an end of the handle 12 away from the main body 11, and is used for avoiding the pressing structure 163 (as shown in fig. 12 and 13) on the cover shell 16, so as to facilitate the operation of the pressing structure 163 by a user. Preferably, the relief 124 is configured as a U-shape or a C-shape.

As shown in fig. 5 and 6, an L-shaped stopper rib 125 is provided on the bottom wall of the battery receiving chamber 121 as an example of a stopper structure for the battery 15, and the L-shaped stopper rib 125 serves to guide the power supply insertion hole 152 (shown in fig. 12 and 13) of the battery 15 to be aligned with the first power supply pin 122 in the battery receiving chamber 121 during insertion of the battery 15 into the battery receiving chamber 121. Further, a limit groove 1251 is provided on one side plate of the L-shaped limit rib 125, and the limit groove 1251 is adapted to a limit rib 153 (as shown in fig. 12 and 13) on the battery 15. The limit groove 1251 can precisely guide the power jack 152 (shown in fig. 12 and 13) on the battery 15 to align with the first power pin 122 in the battery receiving chamber 121, and can prevent the first 122 power pin from shaking in the power jack 152.

In addition, one skilled in the art can arrange the L-shaped stop rib 125 in any other viable stop configuration, such as a tapered post, as desired, provided that the power socket 152 on the battery 15 is capable of directing alignment with the first power pin 122 within the battery receiving cavity 121.

As shown in fig. 5, a guide rib 126 is provided on a side wall of the battery receiving chamber 121 as an example of a guide engagement structure, and the guide rib 126 is fitted to a guide groove 154 (shown in fig. 12 and 13) as a guide structure on the battery 15. The guide rib 126 serves to guide the insertion of the battery 15 into the battery receiving chamber 121 and can prevent the rotation and reverse insertion of the battery 15.

It will be appreciated by those skilled in the art that the guide ribs 126 may be replaced by any other viable guide engagement structure, such as guide slots, provided that reverse insertion of the battery 15 is avoided. In other words, the person skilled in the art can arrange the guide groove 154 on the battery 15 on the side wall of the battery receiving chamber 121 and the guide rib 126 on the side wall of the battery receiving chamber 121 on the battery 16 as required.

As shown in fig. 3, in order to further guide the insertion of the battery 15 into the battery receiving chamber 121, the cross-sections of both the battery receiving chamber 121 and the battery 15 are arranged to be non-circular, preferably elliptical.

As shown in FIG. 3, the dust box assembly 14 generally includes a dust box 141, a primary filter 142, a secondary filter 143, and a tertiary filter 144. Wherein, the primary filter device 142 and the secondary filter device 143 are both arranged on the dust box 141 and fixedly connected with the dust box 141. The tertiary filter 144 is pivotally connected to the rear end of the dust box 141, and in particular, the rear lower position of the dust box 141 is pivotally connected to the front lower position of the tertiary filter 144. As can be readily seen from fig. 3, the primary filter 142, the secondary filter 143, and the tertiary filter 144 are disposed in this order along the direction of gas flow.

Although not explicitly shown in the drawings, in a preferred embodiment of the present disclosure, the primary filter device 142 is a cone-shaped filter screen, the secondary filter device 143 is a cyclone structure, and the tertiary filter device 144 includes a housing (not shown) and filter cotton and/or filter paper (not shown) disposed inside the housing.

As shown in fig. 1 and 3, in the assembled state of the hand-held cleaner 10, the top of the dust box 141 is connected to the middle of the main body 11, and the front end of the dust box 141 is connected to the front of the main body 11, thus enclosing the dust box 141 and the main body 11 together into a first dust collection chamber 1411 (as shown in fig. 9). The first locking structure 1414 (shown in fig. 10) at the front end of the dust box 141 is locked with the first locking structure 113 on the main body 11. As described above, the first engaging structure 113 is a hook, and the first engaging structure 1414 is a slot. Although not explicitly shown in the drawings, the top of the secondary filter 143 is sealingly abutted with the middle of the main body 11.

With continued reference to fig. 1 and 3, the rear of the tertiary filter assembly 144 is plugged with the rear of the main body 11 and the second snap-fit structure 1441 under the tertiary filter assembly 144 snaps with the second snap-fit structure 115 under the main body 11. As described above, the second engaging structure 115 is a hook, and the second engaging structure 1441 is a slot.

As shown in fig. 9 to 11, the dust box 141 is provided with a first dust collecting chamber 1411, a second dust collecting chamber 1412, a third dust collecting chamber 1413, a first engagement structure 1414 and a filter hole 1415. Wherein the first dust collection chamber 1411 serves as a main dust collection chamber of the dust box 141 for receiving relatively large volumes of waste (e.g., paper dust, hair, pericarp, etc.); the second dust collection chamber 1412 and the third dust collection chamber 1413 serve as sub dust collection chambers of the dust box 141 for receiving small-sized garbage (e.g., dust).

As shown in fig. 9 and 10, the front of the dust box 141 is a U-shaped structure that surrounds a portion of the first dust collection chamber 1411. The front end of the dust box 141 is formed with a dust discharge port of the first dust collection chamber 1411, a first dust discharge port 14111. It will be appreciated by those skilled in the art that the top of the U-shaped structure may also be part of the first dust discharge 14111 during dumping of waste.

As shown in fig. 9 to 11, the second dust collection chamber 1412 and the third dust collection chamber 1413 are both provided outside the first dust collection chamber 1411. Specifically, both the second dust collection chamber 1412 and the third dust collection chamber 1413 are provided on the U-shaped structure of the dust box 141. The front end of the dust box 141 is formed with a second dust discharge port 14121 of the second dust collection chamber 1412 and a third dust discharge port 14131 of the third dust collection chamber 1413. As can be readily seen in fig. 9 and 10, the second and third discharge ports 14121 and 14131 are each located below the first discharge port 14111, and the apertures of the second and third discharge ports 14121 and 14131 are each smaller than the aperture of the first discharge port 14111. As will be appreciated by those skilled in the art, the smaller size of the second and third dust discharge ports 14121 and 14131 can inhibit dust from spreading in the second and third dust collection chambers 1412 and 1413 when poured, preventing dust from sticking to the user.

As can be seen from fig. 3 and 10, the end face of the front end of the dust box 141 is a bevel, here denoted as first bevel; correspondingly, the rear side of the front part of the body 11 is also provided with a bevel, here denoted as second bevel. The first inclined surface is matched with the second inclined surface, so that when the dust box 141 rotates to a position which is connected with the main body 1 and is shown in fig. 1, the second inclined surface can simultaneously seal the first dust discharge port 14111, the second dust discharge port 14121 and the third dust discharge port 14131, and the phenomenon that the dust box 141 is easy to wear with the main body 11 when repeatedly opened is avoided while the first dust discharge port 14111, the second dust discharge port 14121 and the third dust discharge port 14131 can be sealed.

As will be appreciated by those skilled in the art, by providing the first, second and third dust discharge ports 14111, 14121 and 14131 at the front end of the dust box 141 and causing the dust box 141 to be opened in a reverse-down manner, the first, second and third dust discharge ports 14111, 14121 and 14131 are spaced as far from the handle 12 as possible, thereby being spaced from the user, further avoiding the problem of dust in the dust box 141 contaminating the user's clothes when being dumped.

With continued reference to fig. 9-11, a plurality of filter holes 1415 are provided in the U-shaped structure of the dust box 141 at the bottom of the first dust chamber 1411, and as can be seen, the plurality of filter holes 1415 are provided on the front side of the primary filter 142. The plurality of filter holes 1415 communicate the first dust collection chamber 1411 with the second dust collection chamber 1412 such that a portion of dust in the first dust collection chamber 1411 can enter the second dust collection chamber 1412 through the plurality of filter holes 1415.

Although not explicitly shown in the drawings, each of the filter holes 1415 is provided as a tapered hole, and a large mouth of the tapered hole faces the first dust collection chamber 1411, and axes of the plurality of filter holes 1415 are parallel to each other. Further, the axis of each filter hole 1415 is parallel to the up-down direction of the dust box 141.

As shown in fig. 11, a through hole 1431 communicating with the third dust collection chamber 1413 is provided in a side wall of the secondary filter device 143. The cyclone structure of the secondary filter device 143 can spirally advance the dust against the sidewall of the secondary filter device 143 by the centrifugal force thereof, and the dust enters the third dust collection chamber 143 by the centrifugal force thereof when the dust moves to the through hole 1431.

Returning to FIG. 3, it can be readily seen from FIG. 3 that a portion of the structure of the housing of the tertiary filter arrangement 144 can be inserted into the cyclonic separating structure of the secondary filter arrangement 143. Specifically, the front end of the housing of the tertiary filter 144 is provided with a cone structure that can be inserted into the cyclone structure of the secondary filter 143 so that an annular space can be formed between the cone structure and the cyclone structure, thereby enabling air to spirally move in the annular space, enhancing the effect of the air spiral movement.

As shown in fig. 12 and 13, the cover 16 is connected to an end of the battery 15 remote from the main body 11. Wherein, one end of the battery 15 inserted into the battery mounting cavity 121 is provided with a boss 151, and one end of the boss 151 remote from the cover case 16 is provided with a power supply jack 152 as a connection terminal. The side of the boss 151 corresponding to the side plate of the handle 12 where the L-shaped stopper rib 125 does not have the first stopper groove 1251 is provided with an inclined surface so as to prevent interference between the boss 151 and the L-shaped stopper rib 125. One side surface of the boss 151 is provided with a stopper rib 153 that can be inserted into the first stopper groove 1251. The side wall of the battery 15 is provided with a guide groove 154 as a guide structure, and the guide groove 154 is matched with the guide rib 126 on the handle 12. In order to allow the guide rib 126 to be smoothly inserted into the guide groove 154, as shown in fig. 12 and 13, the cross section of the guide groove 154 is gradually increased toward the direction in which the battery 15 is inserted into the battery mounting cavity 121.

With continued reference to fig. 12 and 13, the cover 16 is provided with a cantilever 161 on each side thereof, and a gap is formed between the cantilever 161 and the battery 15. The cantilever 161 is provided with the buckle 162 near the one end of boss 151, and the cantilever 161 is provided with the pressing structure 163 far away from the one end of boss 151. Wherein the catch 162 is capable of snapping together with the catch groove 123 on the inside of the handle 12 and thus securing the battery 15 and the cover 16 to the handle 12. The cantilever 161 can be brought close to the battery 15 by pressing the pressing structure 163, so that the buckle 162 is disengaged from the locking groove 123, and the battery 15 and the cover 16 can be detached from the handle 12.

As shown in fig. 1 and 2, the cleaning head assembly 30 includes a link 31 and a roller brush (not shown), wherein the cleaning head assembly 30 is detachably coupled to the extension pole 20 or the hand-held cleaner 10 through the link 31, and gathers garbage on the floor through the roller brush. Although not shown, the link 31 is provided with a catching groove so as to be able to be fitted with a catch on the extension pole 20 or the hand-held cleaner 10, thereby achieving fixation.

Based on the foregoing description, those skilled in the art will appreciate that in the preferred embodiment of the present disclosure, the hand-held vacuum cleaner 10 allows the hand-held vacuum cleaner 10 to be constantly operated by providing the battery 15 in a detachable form so that the hand-held vacuum cleaner 10 can be replaced at any time; by providing the dust box assembly 14 with three stages of filtering devices, larger volumes of dust can be filtered by the first stage filtering device 142 and received into the first dust collection chamber 1411; by providing a plurality of filter holes 1415 in the first dust collection chamber 1411 and the second dust collection chamber 1412, the air inlet channel 112 on the main body 11 is arranged to form a spiral air flow into the first dust collection chamber 1411, so that dust in the first dust collection chamber 1411 can spirally advance against the side wall of the first dust collection chamber 1411, and can enter the second dust collection chamber 1412 when moving to the plurality of filter holes 1415; the dust in the air flow can be thrown into the third dust collection chamber 1413 by the cyclone structure of the secondary filter 143; the dust remaining in the air flow can be filtered out by the three-stage filter 144, thereby ensuring the cleanliness of the blower 13. By arranging the three dust discharge openings of the three dust collecting chambers at the front side of the dust box 141 and allowing the front end of the dust box 141 to be opened, the problem that dust is lifted and attached to the user when dumping the dust is avoided.

As shown in fig. 1, 14 and 15, the extension rod 20 mainly includes a rod body 21, a power receiving terminal 22, a first electric connection terminal 23, a second electric connection terminal 24, an electric wire (not shown), a limit structure 25, and a protective case (not shown).

As shown in fig. 1 and 2, the wand 21 can be detachably connected to the hand-held cleaner 10 by a first end thereof, and the wand 21 can be detachably connected to the cleaning head assembly 30 by a second end thereof. Although not shown, a locking slot (or catch slot) is provided on a first end of the wand 21 to accommodate the locking hook 117 on the hand-held cleaner 10, and a catch is provided on a second end of the wand 21 to accommodate the catch slot on the cleaning head assembly 30.

As shown in fig. 14 and 15, the power receiving terminal 22 is provided on a side wall of the rod body 21 and is capable of communicating with an external power source, and preferably, the power receiving terminal 22 is provided adjacent to the second end of the extension rod 20, and the power receiving terminal 22 is a contact electrode pad. A first electrical connection terminal 23 is provided on the first end of the wand 20 and is capable of being electrically connected to the hand-held cleaner 10, a second electrical connection terminal 24 is provided on the second end of the wand 20 and is capable of being electrically connected to the cleaning head assembly 30, an electrical wire is provided on the wand body 21, the electrical wire is used to electrically connect the powered terminal 22 to the first electrical connection terminal 23, and the electrical wire is also used to electrically connect the first electrical connection terminal 23 to the second electrical connection terminal 24. As will be appreciated by those skilled in the art, the powered terminal 22 may be electrically connected together with the first electrical connection terminal 23 by one set of wires and with the second electrical connection terminal 24 by another set of wires; the power receiving terminal 22 may be electrically connected to the first electrical connection terminal 23 through a set of wires, and then the first electrical connection terminal 23 and the second electrical connection terminal 24 may be electrically connected to each other through a set of wires. Further, the protective case is fixedly coupled to the rod body 21 and can conceal the aforementioned electric wire, thereby protecting the aforementioned electric wire.

As shown in fig. 14 and 15, the stopper 25 is fixedly coupled to or integrally formed with the rod body 21 and includes a T-shaped stopper projection 251 and a shutter 252, and the extension rod 20 is fixed to the charging stand 40 by inserting the T-shaped stopper projection 251 into a T-shaped stopper groove 423 (shown in fig. 17) on the charging stand 40. The T-shaped limiting protrusion 251 includes a longitudinal portion (not labeled in the drawing) and a transverse portion (not labeled in the drawing), one end of the longitudinal portion away from the transverse portion is connected to the rod body 21, and the baffle 252 is disposed on one side of the T-shaped limiting protrusion 251 near the first end of the extension rod 20. As can be seen from the figure, the power receiving terminal 22 includes two power receiving terminals, namely, a positive power receiving terminal and a negative power receiving terminal, and the longitudinal portion of the T-shaped limiting protrusion 251 is located between the positive power receiving terminal and the negative power receiving terminal, so that the T-shaped limiting protrusion 251 can protect the power receiving terminal 22 from being damaged by external force on the premise that the power receiving terminal 22 is abutted against the charging terminal 422 on the charging stand 40.

As shown in fig. 16 to 18, the charging stand 40 includes a base 41 for supporting the cleaning head assembly 30 and a post 42 for restraining the extension pole 20. Wherein the upright post 42 is disposed on the center axis of the base 41 and is located at the rear side of the base 41 and is detachably coupled with the base 41. In addition, the person skilled in the art may also arrange the upright 42 at other positions on the base 41, for example, at an intermediate position of the base 41, as required; the base 41 and the upright 42 may be integrally formed as required by those skilled in the art.

As shown in fig. 16 and 18, the front side edge of the base 41 is provided with a front stopper 411 protruding upward of the base 41, the left side edge of the base 41 is provided with a left stopper 412 protruding upward of the base 41, and the right side edge of the base 41 is provided with a right stopper 413 protruding upward of the base 41. Wherein the front stop structure 411, the left stop structure 412 and the right stop structure 413 are used to limit the movement of the cleaning head assembly 30 in the forward, left and right directions of the base 41, respectively, and protect the cleaning head assembly 30 from foreign objects colliding and damaging the cleaning head assembly 30.

As shown in fig. 16 to 18, the post 42 is provided with a fixing member 421, a charging terminal 422, a T-shaped limiting groove 423 as a limiting structure, a tapered groove 424, a groove 425, a socket 426, and a battery charging chamber 427. Wherein the fixing member 421 is provided at the top of the upright 42 and extends forward of the upright 42. The charging terminal 422, the T-shaped limiting groove 423 and the tapered groove 424 are all provided on the fixing member 421. Specifically, the charging terminal 422 is provided at the front side of the fixing member 421, and is provided as a contact-type electrode sheet. The T-shaped limiting groove 423 is provided on the fixing member 421 in the vertical direction, and the T-shaped limiting groove 423 has a top opening so that the limiting structure 25 (specifically, the T-shaped limiting protrusion 251) on the extension rod 20 can be inserted into the T-shaped limiting groove 423 through the top opening, and in a state in which the limiting structure 25 is inserted into the T-shaped limiting groove 423, the baffle 252 of the limiting structure 25 abuts against the top end of the fixing member 421 to ensure that the power receiving terminal 22 on the extension rod 20 abuts against the charging terminal 422 on the upright post 42. The T-shaped limiting groove 423 also has a front opening that is clearance fit with the longitudinal portion of the T-shaped limiting projection 251. The bottom of the tapered slot 424 communicates with the top of the T-shaped limiting slot 423, and the tapered slot 424 is used for guiding the T-shaped limiting protrusion 251 on the extension rod 20 to be inserted into the T-shaped limiting slot 423.

As shown in fig. 18, a groove 425 is formed at the rear side of the bottom of the pillar 42 and is recessed toward the front side of the pillar 42. A socket 426 is provided on the front side wall of the recess 425, the socket 426 being for direct or indirect connection to an external power source (in particular alternating current). Those skilled in the art will appreciate that the socket 426 may also be configured as a plug or wire, provided that it is capable of connecting to an external power source.

As shown in fig. 16 to 18, the battery charging chamber 427 can accommodate the battery 15 detached from the hand cleaner 10 and can charge the battery 15. The battery charging chamber 427 is provided at the rear side of the fixing member 421 with the opening of the battery charging chamber 427 facing upward. Although not shown in the drawings, the charging stand 40 may further include a cover housing for closing the battery charging chamber 427 (when the battery 15 is not present therein), which has the same structure as the cover housing 16 shown in fig. 12 and 13, and the cover housing for closing the battery charging chamber 427 is not fixedly connected with the battery 15.

As shown in fig. 18, a second power pin 4271, an arc-shaped boss 4272, a slide bar 4273 as a buffer member, and a stopper boss 4274 are provided in the battery charging chamber 427. Wherein the second power pin 4271 is disposed on the bottom wall of the battery charging chamber 427, and the second power pin 4271 is inserted into the power socket 152 of the battery 15 in a state where the battery 15 is inserted into the battery charging chamber 427. An arc-shaped boss 4272 is provided at the bottom of the battery charging chamber 427, and a slide bar 4273 is movably coupled to the arc-shaped boss 4272 in the up-down direction of the column 42. Although not shown in the drawings, a spring is provided between the slide bar 4273 and the arc-shaped boss 4272.

During insertion of the battery 15 into the battery charging cavity 427, the battery 15 first abuts the top of the slide bar 4273 and then gradually compresses the spring, slowing the insertion of the battery 15 into the battery charging cavity 427 until the second power pin 4271 is inserted into the power socket 152 of the battery 15.

Those skilled in the art will appreciate that the slide bar 4273 may be replaced with any other possible cushioning member, such as a silicone pad disposed on top of the arcuate boss 4272, as long as it is capable of cushioning the battery 15.

As can be seen from fig. 12 and 13, the battery 15 is provided with a relief structure (not labeled in the drawings) corresponding to the arc-shaped boss 4272, specifically, a circumferential space where the boss 151 on the battery 15 is contracted.

With continued reference to fig. 18, a retaining protrusion 4274 is disposed on the bottom wall of the battery charging cavity 427 and forms a second retaining groove 42741, the second retaining groove 42741 being adapted to the retaining rib 153 on the battery 15 for guiding the insertion of the second power pin 4271 into the power socket 152 of the battery 15.

Based on the foregoing description, it will be understood by those skilled in the art that the arc-shaped boss 4272 and the limiting protrusion 4274 together serve as a limiting structure of the post 42 for preventing the positive and negative poles of the second power pin 4271 from being reversely inserted with the positive and negative poles of the power socket 152 and guiding the second power pin 4271 to be inserted into the power socket 152.

Although not shown in the drawings, the post 14 further includes a circuit board including an input terminal electrically connected to a power terminal (specifically, a socket 426 provided at the bottom of the post 14), a first output terminal electrically connected to the charging terminal 422, and a second output terminal electrically connected to the second power pin 4271. The circuit board is arranged such that the input connection terminal is simultaneously connected with the first output connection terminal and the second output connection terminal. The circuit board is further configured to selectively connect the input terminal with one of the first output terminal and the second output terminal. As an example, two electric control switches are arranged on the circuit board, and one of the two electric control switches electrically connects the input wiring terminal with the first output wiring terminal and can control the on-off between the wiring terminal and the first output wiring terminal; the other one of the two electric control switches is used for electrically connecting the input wiring terminal with the second output wiring terminal and controlling the on-off between the wiring terminal and the second output wiring terminal.

Further, the circuit board also includes an indicator light for indicating whether the battery in the battery charging chamber 427 is fully charged.

Based on the foregoing description, those skilled in the art will appreciate that in the preferred embodiment of the present disclosure, the charging stand 40 can be used not only to place a cleaning appliance, but also to charge the battery 15 mounted to the hand-held cleaner 10, as well as to charge the battery 15 detached from the hand-held cleaner 10. Further, the charging stand 40 effectively reduces the floor space of the entire cleaning apparatus by vertically placing the cleaning apparatus.

Thus far, the technical solution of the present disclosure has been described in connection with the foregoing embodiments, but it is easily understood by those skilled in the art that the protective scope of the present disclosure is not limited to only these specific embodiments. The technical solutions in the above embodiments may be split and combined by those skilled in the art without departing from the technical principles of the present disclosure, and equivalent modifications or substitutions may be made to related technical features, which all fall within the scope of the present disclosure.

Claims

1. A hand-held vacuum cleaner, the hand-held vacuum cleaner comprising: the main body is provided with a dust collection port at the front end; a handle disposed at a rear side of the main body, the handle having a battery receiving cavity formed thereon;

A battery detachably mounted in the battery accommodating chamber in an axial direction of the handle, the battery being provided with a connection terminal; a cover case connected to an end of the battery remote from the main body, the cover case being detachably connected to the handle in a state where the battery is inserted into the battery receiving chamber and thus closing the battery receiving chamber; the dust box assembly is positioned between the fan and the dust collection port, and comprises a dust box and a primary filtering device, wherein at least one part of a first dust collection cavity, a second dust collection cavity positioned outside the first dust collection cavity and a plurality of filtering holes communicating the first dust collection cavity with the second dust collection cavity are formed on the dust box; the first dust collection chamber is provided with a first dust collection opening, the first dust collection chamber is provided with a second dust collection opening, the second dust collection chamber is provided with a second dust collection opening, the first dust collection chamber is provided with a first dust collection opening, the second dust collection opening is provided with a second dust collection opening, and the second dust collection opening is connected with the dust collection chamber through the first dust collection opening.

2. The hand-held cleaner according to claim 1, wherein the connection terminal is a power supply jack provided at one end of the battery inserted into the battery mounting chamber, and a bottom wall of the battery mounting chamber is provided with a power supply pin; or the wiring terminal is a power pin arranged at one end of the battery inserted into the battery mounting cavity, and a power jack is arranged at the bottom wall of the battery mounting cavity.

3. The hand-held cleaner according to claim 2, wherein the side wall of the battery mounting chamber is provided with a clamping groove at a position near the mounting opening thereof; the cover shell is provided with a buckle matched with the clamping groove, and the cover shell is fixed with the handle through the clamping groove and the buckle which are matched together.

4. A hand-held cleaner according to claim 3, wherein the cover is provided with a cantilever extending towards the main body, the cantilever being provided with the catch 10 on the outside of the end of the main body, a gap being formed between the cantilever and the battery to enable the cantilever to move towards the battery and thereby disengage the catch from the catch.

5. The hand-held cleaner of claim 4 wherein a pressing structure is provided on the outside of the boom, a U-shaped relief opening is provided on an end of the handle remote from the main body, and the pressing structure is insertable into the relief opening.

6. The hand-held cleaner according to claim 2, wherein one end of the battery inserted into the battery mounting chamber is further provided with a boss, and the power supply jack or the power supply pin is provided on the boss; the bottom wall of the battery mounting cavity is provided with a limiting structure matched with the boss; the boss and the limiting structure which are matched together can prevent the power pin from shaking in the power jack; and/or be provided with guide structure on the lateral wall of battery, be provided with guide cooperation structure on the lateral wall of battery accommodation chamber, guide structure with guide cooperation structure is used for guiding the battery inserts in the battery installation chamber.

7. The hand-held cleaner of claim 6 wherein the spacing structure is an L-shaped spacing rib, one side plate of the L-shaped spacing rib being provided with a spacing groove; a limiting rib is arranged on one side face of the boss, and can be inserted into the limiting groove; and/or the guide structure is a guide groove extending along the mounting direction of the battery; the guide fitting structure is a guide rib extending along the installation direction of the battery.

8. The hand-held cleaner of claim 7 wherein the side of the boss corresponding to the other side of the L-shaped stop rib is provided as a ramp that prevents interference between the boss and the L-shaped stop rib.

9. The hand-held cleaner of claim 7 wherein the guide slot increases in cross-section in a direction of insertion of the battery into the battery mounting cavity.

10. The hand-held cleaner according to any one of claims 1 to 8, wherein the battery receiving cavity extends to the engagement of the handle with the main body to enable the battery to be inserted into the engagement; and/or the cross sections of the battery and the battery mounting cavity are non-circular.