CN113749558A

CN113749558A - Cleaning equipment

Info

Publication number: CN113749558A
Application number: CN202010493932.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: 2021-12-07
Anticipated expiration: 2040-06-03
Also published as: CN113749558B

Abstract

The present disclosure provides a cleaning apparatus including a hand-held portion, a cleaning head assembly, and an extension pole removably coupled with the hand-held portion by a first end thereof and with the cleaning head assembly by a second end thereof. The extension rod comprises a rod body, a power receiving terminal, a first electric connecting terminal, a second electric connecting terminal and an electric wire. The power receiving terminal is arranged on the side wall of the rod body and can be communicated with an external power supply; the first electric connection terminal is arranged on the first end of the extension rod and can be electrically connected with the handheld part; a second electrical connection terminal disposed on a second end of the extension pole and electrically connectable with the cleaning head assembly; the electric wire is arranged on the rod body, and is used for electrically connecting the power receiving terminal and the first electric connecting terminal together, and also used for electrically connecting the first electric connecting terminal and the second electric connecting terminal together.

Description

Cleaning equipment

Technical Field

The utility model belongs to the technical field of cleaning device, specifically provide a cleaning device.

Background

Along with the improvement of living standard of people, the dust collector enters more and more families, and is convenient for the family life of people.

The vacuum cleaner is a product for picking up foreign matters such as dust, hair and debris on the ground, a bed, a sofa, a corner and the like by negative pressure.

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

In the dust collector powered by the battery, some dust collectors comprise a handheld part, a rolling brush head and an extension rod which connects the handheld part and the rolling brush head together, and the extension rod can transmit electric energy on the handheld part to a motor on the rolling brush head so as to enable the motor to drive the rolling brush to rotate.

Disclosure of Invention

The present disclosure is directed to a new cleaning apparatus to enable an extension pole to provide charging work to a hand-held cleaner.

To achieve the above objects, the present disclosure provides a cleaning apparatus, a hand-held portion, a cleaning head assembly, and an extension pole detachably connected to the hand-held portion through a first end thereof, the extension pole detachably connected to the cleaning head assembly through a second end thereof, the hand-held portion having a battery disposed thereon;

the extension rod comprises a rod body and a power receiving terminal arranged on the side wall of the rod body, and the power receiving terminal can charge the battery; the power receiving terminal can be electrically connected with the handheld part through the first end of the extension rod.

Optionally, the first end of the extension pole and the second end of the extension pole are electrically connected together, and the second end of the extension pole can be electrically connected together with the cleaning head assembly.

Optionally, the extension rod further comprises a first electric connection terminal, a second electric connection terminal and an electric wire, wherein the first electric connection terminal is arranged on the first end of the extension rod and can be electrically connected with the handheld part; the second electric connection terminal is arranged on the second end of the extension rod and can be electrically connected with the cleaning head assembly; the electric wire is arranged on the rod body, the electric wire is used for electrically connecting the power receiving terminal and the first electric connecting terminal together, and the electric wire is also used for electrically connecting the first electric connecting terminal and the second electric connecting terminal together.

Optionally, the power receiving terminal is disposed adjacent to the second end of the extension rod; and/or the power receiving terminal is a contact type electrode sheet.

Optionally, the extension rod further comprises a limiting structure disposed on the rod body, and the limiting structure is configured to fix the extension rod to a charging device in a state where the power receiving terminal is connected to an external power source, so as to prevent connection and disconnection between the power receiving terminal and the external power source.

Optionally, the limiting structure includes a T-shaped limiting protrusion fixedly connected to or integrally formed with the rod body, the T-shaped limiting protrusion is parallel to the rod body, the T-shaped limiting protrusion includes a longitudinal portion and a transverse portion, and an end of the longitudinal portion away from the transverse portion is connected to the rod body.

Optionally, the limiting structure comprises a baffle fixedly connected with or integrally formed with the rod body, and the baffle is arranged on one side of the T-shaped limiting protrusion close to the first end of the extension rod; and/or the power receiving terminal comprises a positive power receiving terminal and a negative power receiving terminal, and the longitudinal part of the T-shaped limiting bulge is positioned between the positive power receiving terminal and the negative power receiving terminal.

Optionally, the charging device includes a base and a column disposed on the base, the column is provided with a charging terminal capable of abutting against the receiving terminal, the charging terminal is capable of being electrically connected to the external power source, and the column is further provided with a battery charging cavity capable of accommodating the battery and thus enabling the charging device to charge the battery.

Alternatively, a fixing member extending forward of the column is provided at a top of the column, the charging terminal is provided on the fixing member, the fixing member is provided to allow the extension pole to be placed on the column in a vertical direction and to allow the extension pole to be removed from the column in the vertical direction, and the charging terminal is electrically connected to a power receiving terminal on the extension pole in a state where the extension pole is placed on the column.

Optionally, the extension rod further comprises a protective shell fixedly connected to the rod body, and the protective shell is used for hiding the electric wire.

Based on the foregoing description, it can be understood by those skilled in the art that, in the foregoing technical solution of the present disclosure, by providing the power receiving terminal on the rod body and enabling the power receiving terminal to be electrically connected with the handheld portion through the first end of the extension rod, the cleaning device can charge the battery through the power receiving terminal on the extension rod, which is convenient for the charging operation of the user.

Further, the first electric connecting terminal which can be electrically connected with the handheld portion is arranged at the first end of the extension rod, the second electric connecting terminal which can be electrically connected with the cleaning head assembly is arranged at the second end of the extension rod, so that the handheld portion and the cleaning head assembly can be electrically connected together through the extension rod, meanwhile, the connecting terminal on the handheld portion can be hidden, and the appearance of the cleaning equipment is optimized.

Further, the first electrical connection terminal and the second electrical connection terminal are electrically connected together by an electrical wire, so that the hand grip and the cleaning head assembly can be detachably electrically connected together by the extension pole. The power receiving terminal is arranged on the extension rod and is electrically connected with the first electric connecting terminal through the electric wire, so that the power receiving terminal can provide electric energy for the handheld part when being connected with an external power supply (such as household electricity), and a battery on the handheld part is charged.

Furthermore, the limit structure which can be matched with the charging seat is arranged at the position close to the second end of the extension rod, so that the height of the charging seat can be effectively reduced, and the charging seat is prevented from being easily toppled when being too high; meanwhile, the power receiving terminals can be protected through the limiting structure, and the power receiving terminals are prevented from being damaged due to collision of foreign objects.

Drawings

Preferred embodiments of the present disclosure are described below with reference to the accompanying drawings, in which:

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 view illustrating the effect of the cleaning device in the preferred embodiment of the present disclosure;

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

FIG. 4 is a first isometric view of the body of the handpiece in a preferred embodiment of the present disclosure;

FIG. 5 is a second isometric view of the main body of the handpiece in the preferred embodiment of the present disclosure;

FIG. 6 is a view of the body of FIG. 4 taken in the direction A;

FIG. 7 is a schematic illustration of the shackle of the main body in a locked condition in a preferred embodiment of the present disclosure;

FIG. 8 is a schematic illustration of the shackle of the main body in an unlocked condition in a preferred embodiment of the present disclosure;

FIG. 9 is a bottom view of the dirt box portion 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 present disclosure;

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

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

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

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

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

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

FIG. 17 is an enlarged view of portion C of FIG. 16;

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

List of reference numerals:

10. a hand-held portion;

11. a main body; 111. a dust suction port; 112. an air inlet channel; 113. a first snap fit structure; 114. a first unlocking key; 115. a second snap fit 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 receiving cavity; 122. a first power pin; 123. a card slot; 124. a let position port; 125. l-shaped limiting ribs; 1251. a first limit groove; 126. a guide rib;

13. a fan;

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 collecting chamber; 14121. a second ash discharge port; 1413. a third dust collecting chamber; 14131. a third ash discharge port; 1414. a first engaging structure; 1415. a filtration pore; 142. a primary filtration device; 143. a secondary filtration device; 1431. a through hole; 144. a third stage filtration device; 1441. a second engaging structure;

15. a battery; 151. a boss; 152. a power jack; 153. limiting ribs; 154. a guide groove;

16. a cover shell; 161. a cantilever; 162. buckling; 163. a pressing structure;

20. an extension pole; 21. a rod body; 22. a power receiving terminal; 23. a first electrical connection terminal; 24. a second electrical connection terminal; 25. a limiting structure; 251. a T-shaped limiting bulge; 252. a baffle plate;

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

40. a charging seat;

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 limiting groove; 424. a tapered groove; 425. a groove; 426. a socket; 427. a battery charging chamber; 4271. a second power pin; 4272. an arc-shaped boss; 4273. a slide bar; 4274. a limiting bulge; 42741. a 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 mean that the present disclosure can be implemented only by the preferred embodiments, which are merely for explaining the technical principles of the present disclosure and are not intended to limit the scope of the present disclosure. All other embodiments that can be derived by one of ordinary skill in the art from the preferred embodiments provided by the disclosure without undue experimentation will still fall within the scope of the disclosure.

It should be noted that in the description of the present disclosure, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood by those skilled in the art as appropriate.

As shown in fig. 1 and 2, in a preferred embodiment of the present disclosure, the cleaning apparatus mainly includes a hand-held portion 10, an extension pole 20, and a cleaning head assembly 30. Wherein the hand-held part 10 can be used alone, i.e. the negative pressure generated by it picks up foreign bodies/dirt (dust, paper dust, hair, etc.) on the ground; the handpiece 10 can also be directly connected with the cleaning head assembly 30, so that the cleaning head assembly 30 is contacted with the ground and foreign matters/garbage on the ground are picked up by the cleaning head assembly 30; the handle 10 may be connected to the extension pole 20 first and then connected to the cleaning head assembly 30 through the extension pole 20 as shown in fig. 2, so that the cleaning apparatus has a sufficient height to facilitate the operation of the user.

With continued reference to fig. 1 and 2, in a preferred embodiment of the present disclosure, the cleaning device is further provided with a charging stand 40 as a charging device, the charging stand 40 being capable of securing the cleaning device in an upright position as shown in fig. 2, so as to reduce the footprint of the cleaning device. Further, the charging dock 40 can also charge the battery 15 (shown in fig. 3) on the handset 10.

Furthermore, the person skilled in the art may also charge the cleaning device with any other feasible charging means, e.g. via an electric cord as charging means, as desired.

As shown in fig. 3, in a preferred embodiment of the present disclosure, the hand-held portion 10 basically includes a main body 11, a handle 12, a fan 13, a dirt box assembly 14, a battery 15 and a cover housing 16. Wherein, the handle 11 is arranged at the rear side of the main body 11 and is fixedly connected with the main body 11 or is integrally manufactured; the blower 13 is fixedly installed to the rear of the main body 11; a dust box assembly 14 detachably mounted to the main body 11 and located at a 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 shell 16 is fixedly connected with the battery 15 and can be detachably mounted with the handle 12, thereby realizing the detachable connection of the battery 15 and the handle 12.

In a preferred embodiment of the present disclosure, the center of gravity of the hand grip 10 is located between the blower 13 and the handle 12. Since the weight of the handpiece 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 handpiece 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 handpiece 10.

Further, although not shown in the drawings, a support portion is formed at the bottom of the joint of the main body 11 and the handle 12, and the battery 15 and the fan 13 are configured to enable the center of gravity of the handheld portion 10 to be located at the front side of the support portion, so that the center of gravity of the handheld portion 10 is as close as possible to the handle 12 on the premise of meeting the requirements of production and processing technologies, thereby reducing the moment arm between the center of gravity of the handheld portion 10 and a user when the user holds the handle 12, and therefore reducing the torque applied to the user by the weight of the handheld portion 10, enabling the force applied to the user to be substantially the same no matter what state the handheld portion 10 is in, and improving the use experience of the user.

Although not shown in the drawings, in order to facilitate the user's operation, the support portion includes a recessed structure that can be brought into abutment with at least one finger of the operator, thereby enabling the user to make changes in the pitch of the manipulation grip 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 opening 111, an air intake passage 112, a first snap-fit structure 113, a first unlocking key 114, a second snap-fit structure 115, a second unlocking key 116, a locking hook 117 as a locking member, a transmission member 118, and a third unlocking key 119.

As shown in fig. 3 to 5, the main body 11 can be generally divided into three parts: a front portion provided with a dust suction opening 111 and an air intake passage 112, a middle portion for mounting the dust box assembly 14, and a rear portion for mounting the fan 13. Wherein, the front end of the front part is formed with an inclined plane, the dust suction opening 111 is arranged at the front end of the main body 11 and formed on the inclined plane, so that when the hand-held part 10 is used alone, the main body 11 is only required to be inclined for 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 users. The air inlet passage 112 penetrates the front portion of the main body 11 along the front-rear direction of the main body 11, and the front end of the air inlet passage 112 is connected with the dust suction port 111, and the rear end of the air inlet passage 112 is opened to the middle portion of the main body 11. As can be seen, the central portion of the main body 11 is U-shaped or C-shaped in cross-section such that the central portion of the main body 11 fits into the dirt tray assembly 14 and a cylindrical first dirt collection chamber 1411 (shown in FIG. 9) is formed between the main body 11 and the dirt tray assembly 14. Further, although not shown in the drawings, the air intake passage 112 is provided to make the airflow entering into the first dust collecting chamber 1411 spiral along the side wall of the first dust collecting chamber 1411.

Wherein an angle between the inclined surface formed at the front end of the 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. 3-6, a 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, such that the main body 11 and the dust box 141 enclose and enclose the first dust collection chamber 1411. The first unlocking key 114 is used to shift 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 near 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 portion 10 with one hand. In one example, the first snap-fit structure 113 is a hook provided on the main body 11, the hook being pivotally connected to the main body 11, the hook also being drivingly connected to the first unlocking key 114 via a linkage. 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 converts the hook from the locked state to the unlocked state by the link.

With continued reference to fig. 3-6, the second snap-fit structure 115 and the second unlocking key 116 are provided as a single piece and are pivotally provided on the rear portion of the main body 11. Specifically, the second unlocking key 116 is a plate-shaped member pivotally connected to the main body 11, and the second snap-fit structure 115 is a hook provided on the upper side of the 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 catch in the locked position so as to lock the tertiary filter device 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 structure 115 rotates downward to the unlocked position, allowing the tertiary filter 144 of the dirt 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 near 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 portion 10 with one hand. Specifically, the third unlocking key 119 is provided in an L-shaped configuration to facilitate an operator (user) pulling the third unlocking key 119 in a direction toward the handle 12. Further, a third unlocking key 119 is provided on each of the left and right sides of the main body 11; 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 configuration as a whole. One end of the L-shaped structure is provided with a hook, the other end is in driving connection with a transmission member 118, and the other end of the transmission member 118 is in driving connection with a third unlocking key 119. Optionally, the transmission member 118 is pivotally connected to the locking hook 117 and the third unlocking key 119, respectively.

Further, although not shown in the drawings, a spring is provided between the locking hook 117 or the transmission member 118 or the third unlocking key 119 and the main body 11, and the spring is used for keeping the locking hook 117 in the locking position shown in fig. 7. Since the spring for realizing the function belongs to the conventional technical means in the field, the description is not excessive.

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 retracts to the outside of the air intake passage 112 in the unlocked position shown in fig. 8.

It can be understood by those skilled in the art that the locking hook 117 in the locking position shown in fig. 7 locks the extension pole 20 or the cleaning head assembly 30 to the main body 11 in a state where the extension pole 20 or the cleaning head assembly 30 is inserted into the air intake passage 112. When the user pulls the third unlocking key 119 backward, the locking hook 117 rotates from the locking position shown in fig. 7 to the unlocking position shown in fig. 8, allowing the extension pole 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 suitable locking member, such as a sliding bar, an electromagnetic push bar, etc., while ensuring that the extension bar 20 or the cleaning head assembly 30 can be locked to the handle 10.

Further, it will be understood by those skilled in the art that the latch hook 117 may be provided at any other feasible location on the main body 11, such as at the front end of the main body 11 and on the outer surface of the main body 11 and outside the suction opening 111, provided that the extension rod 20 or the cleaning head assembly 30 can be locked to the handle 10.

As shown in fig. 3 to 6, the handle 12 and the main body 11 have an included angle therebetween, which enables the main body 11 to assume a downwardly inclined state when a user holds the handle 12, so that the user can more comfortably hold the handle 12 when the dust suction opening 111 of the main body 11 is in contact with the floor. Wherein the angle is in the range of 5 ° to 30 °, preferably 10 ° to 15 °. It should be noted that 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 cavity 121, a first power pin 122, a slot 123, an abdicating opening 124, an L-shaped limiting rib 125 as a limiting structure, and a guiding rib 126. The battery receiving chamber 121 is used for receiving the battery 15. As can be seen from fig. 5, the battery receiving cavity 121 extends up to the junction of the handle 12 and the body 11 so that the battery 15 can be inserted into the junction, thereby effectively reducing the length of the hand-held portion 10.

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

It will be understood by those skilled in the art that the first power pins 122 may be disposed on the battery 15 as terminals and the power jack 152 may be disposed on the bottom wall of the battery mounting cavity 121 as required, while ensuring that the battery 15 can provide power to the handheld portion 10. In other words, a power plug is provided on the battery 15, and a power jack is provided on the bottom wall of the battery mounting cavity 121.

As shown in fig. 5, a catch 123 is provided on the side wall of the battery mounting cavity 121 near the mounting opening thereof, the catch 123 mates with a catch 162 (shown in fig. 12 and 13) on the cover shell 16, and the mating catch 123 and catch 162 can secure the battery 15 and cover shell 16 to the handle 12.

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

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

Furthermore, the L-shaped retention rib 125 may be configured as any other feasible retention structure, such as a tapered post, as desired by those skilled in the art, provided that the power receptacle 152 on the battery 15 can be guided into alignment with the first power pin 122 in the battery receiving cavity 121.

As shown in fig. 5, a guide rib 126 as an example of a guide engagement structure is provided on a side wall of the battery accommodating chamber 121, and the guide rib 126 is fitted with 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 cavity 121, and can prevent the battery 15 from rotating and being inserted reversely.

It will be appreciated by those skilled in the art that the guide ribs 126 could be replaced by any other suitable guide engagement structure, such as guide slots, provided that the battery 15 is prevented from being inserted backwards. In other words, the guide groove 154 of the battery 15 may be disposed on the sidewall of the battery receiving cavity 121 and the guide rib 126 of the sidewall of the battery receiving cavity 121 may be disposed on the battery 16 as required by those skilled in the art.

As shown in fig. 3, in order to further guide the insertion of the battery 15 into the battery receiving cavity 121, the cross-sections of the battery receiving cavity 121 and the battery 15 are both provided in a non-circular shape, preferably an elliptical shape.

As shown in FIG. 3, the dirt box assembly 14 basically includes a dirt box 141, a primary filter arrangement 142, a secondary filter arrangement 143 and a tertiary filter arrangement 144. Wherein, the primary filter device 142 and the secondary filter device 143 are both disposed on the dust box 141 and fixedly connected with the dust box 141. The third-stage filtering device 144 is pivotally connected to a rear end of the dust box 141, and specifically, a rear-lower position of the dust box 141 is pivotally connected to a front-lower position of the third-stage filtering device 144. As can be seen from fig. 3, the primary filter device 142, the secondary filter device 143, and the tertiary filter device 144 are sequentially arranged along the direction of the gas flow.

Although not explicitly shown in the drawings, in the preferred embodiment of the present disclosure, the primary filtering device 142 is a conical filter screen, the secondary filtering device 143 is a cyclone structure, and the tertiary filtering 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 an assembled state of the hand grip 10, the top of the dust box 141 is attached to the middle of the main body 11, and the front end of the dust box 141 is attached to the front of the main body 11, and thus the dust box 141 and the main body 11 together enclose a first dust collecting chamber 1411 (shown in fig. 9). The first engaging structure 1414 (shown in fig. 10) at the front end of the dust box 141 is fastened to the first engaging structure 113 on the main body 11. As mentioned above, the first engaging structure 113 is a hook, and correspondingly, the first engaging structure 1414 is a slot. Although not explicitly shown in the drawings, the top of the secondary filter device 143 sealingly abuts against the middle of the body 11.

With continued reference to fig. 1 and 3, the rear portion of the third stage filter device 144 is plugged into the rear portion of the main body 11, and the second snap fit structure 1441 under the third stage filter device 144 is snapped into the second snap fit structure 115 under the main body 11. As mentioned above, the second engaging structure 115 is a hook, and correspondingly, 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 engaging structure 1414 and a filtering hole 1415. The first dust collecting chamber 1411 serves as a main dust collecting chamber of the dust box 141, and is used for accommodating large-volume garbage (such as paper scraps, 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 garbage (e.g., dust) having a small volume.

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 collecting chamber 1411. A first dust discharge port 14111, which is a dust discharge port of the first dust collection chamber 1411, is formed at a front end of the dust box 141. 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 discharge port 14111 during dumping of the refuse.

As shown in fig. 9 to 11, both the second dust collecting chamber 1412 and the third dust collecting chamber 1413 are provided outside the first dust collecting chamber 1411. Specifically, the second dust collection chamber 1412 and the third dust collection chamber 1413 are both disposed 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. It is apparent from fig. 9 and 10 that the second ash discharge opening 14121 and the third ash discharge opening 14131 are both located below the first ash discharge opening 14111, and the caliber of the second ash discharge opening 14121 and the third ash discharge opening 14131 is smaller than the caliber of the first ash discharge opening 14111. It can be understood by those skilled in the art that the smaller size of the second and third

dust discharge openings

14121 and 14131 can inhibit the dust in the second and third

dust collection chambers

1412 and 1413 from spreading when being dumped, preventing the dust from sticking to the user.

As can be seen from fig. 3 and 10, the end surface of the front end of the dust box 141 is an inclined surface, which is referred to herein as a first inclined surface; accordingly, the rear side of the front portion of the main body 11 is also provided with a slope, herein referred to as a second slope. The first inclined plane is matched with the second inclined plane, so that when the dust box 141 rotates to the position connected with the main body 1 shown in fig. 1, the second inclined plane can simultaneously close the first ash discharge port 14111, the second ash discharge port 14121 and the third ash discharge port 14131, and the phenomenon that the dust box 141 is easily abraded with the main body 11 when the dust box 141 is repeatedly opened and closed is avoided while the first ash discharge port 14111, the second ash discharge port 14121 and the third ash discharge port 14131 are ensured to be closed.

It can be understood by those skilled in the art that the first, second and third

dust discharge ports

14111, 14121, 14131 are provided at the front end of the dust box 141, and the dust box 141 is opened in a manner of being turned backward and downward, so that the first, second and third

dust discharge ports

14111, 14121, 14131 are far away from the handle 12 as far as possible, thus far away from the user, and further the problem of contamination of the user's clothes by the garbage in the dust box 141 when it is dumped out is avoided.

With continued reference to fig. 9-11, a plurality of filter apertures 1415 are provided in the U-shaped configuration of the dirt box 141 and at the bottom of the first dirt collection chamber 1411, the plurality of filter apertures 1415 being provided on the front side of the primary filter arrangement 142 as can be readily seen. The plurality of filtering holes 1415 communicate the first dust collecting chamber 1411 with the second dust collecting chamber 1412 so that a portion of dust in the first dust collecting chamber 1411 can be introduced into the second dust collecting chamber 1412 through the plurality of filtering holes 1415.

Although not explicitly shown in the drawings, each of the filter holes 1415 is provided as a tapered hole with a large opening facing the first dust collecting 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 collecting chamber 1413 is provided on a sidewall of the secondary filter device 143. The cyclone structure of the secondary filter 143 enables the dust to spirally advance against the sidewall of the secondary filter 143 by its own centrifugal force, and the dust enters the third dust collecting chamber 143 by its own centrifugal force when moving to the through hole 1431.

Returning to fig. 3, with continued reference, it can be readily seen from fig. 3 that a portion of the structure of the housing of the tertiary filter assembly 144 can be inserted into the cyclonic separating structure of the secondary filter assembly 143. Specifically, the front end of the casing of the third-stage filtering device 144 is provided with a conical structure, and the conical structure can be inserted into the cyclone separation structure of the second-stage filtering device 143, so that an annular space can be formed between the conical structure and the cyclone separation structure, and thus air can spirally move in the annular space, and the effect of the spiral movement of the air is enhanced.

As shown in fig. 12 and 13, the cover case 16 is fixedly 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 away from the cover case 16 is provided with a power jack 152 as a terminal. The side of the boss 151 corresponding to the side plate of the L-shaped restricting rib 125 of the handle 12 without the first restricting groove 1251 is provided with an inclined surface so as to prevent interference between the boss 151 and the L-shaped restricting rib 125. A side surface of the boss 151 is provided with a stopper rib 153 that can be inserted into the first stopper groove 1251. The battery 15 is provided with a guide groove 154 as a guide structure on a side wall thereof, and the guide groove 154 is adapted to the guide rib 126 of the handle 12. In order to enable the guide ribs 126 to be smoothly inserted into the guide grooves 154, as shown in fig. 12 and 13, the cross-section of the guide grooves 154 is gradually increased toward the insertion of the battery 15 into the battery mounting cavity 121.

With continued reference to fig. 12 and 13, a cantilever 161 is disposed on each side of the cover 16, and a gap is formed between the cantilever 161 and the battery 15. The end of the cantilever 161 close to the boss 151 is provided with a buckle 162, and the end of the cantilever 161 far from the boss 151 is provided with a pressing structure 163. Wherein the catch 162 can snap together with a catch groove 123 inside the handle 12 and thereby secure the battery 15 and the cover shell 16 to the handle 12. The pressing structure 163 can be pressed to make the cantilever 161 close to the battery 15, so that the latch 162 is released from the slot 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 connecting rod 31 and a roller brush (not shown), wherein the cleaning head assembly 30 is detachably connected to the extension pole 20 or the hand grip 10 through the connecting rod 31, and gathers the garbage on the floor through the roller brush. Although not shown, the connecting rod 31 is provided with a locking slot to be able to fit with a buckle on the extension rod 20 or the handle 10, so as to achieve the fixation.

Based on the foregoing description, it can be understood by those skilled in the art that in the preferred embodiment of the present disclosure, the handheld portion 10 can be continuously operated by providing the battery 15 in a detachable manner so that the handheld portion 10 can be replaced with a battery at any time; by configuring the dirt tray assembly 14 with a three-stage filtering device, bulky trash can be filtered by the primary filtering device 142 and received into the first dirt collection chamber 1411; by arranging 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 airflow entering the first dust collection chamber 1411, so that the dust in the first dust collection chamber 1411 can spirally advance along 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; dust in the airflow can be thrown into the third dust collecting chamber 1413 by the cyclonic separating structure of the secondary filter arrangement 143; the residual dust in the air flow can be filtered by the third filtering device 144, thereby ensuring the cleanness of the fan 13. All set up the front side at dirt box 141 through the three row's ash mouth with three dust collecting chamber to make the front end of dirt box 141 can be opened, when having avoided empting rubbish, the dust is rais up and adheres to the problem on the user's body.

As shown in fig. 1, 14 and 15, the extension pole 20 mainly includes a pole 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 lever body 21 can be detachably coupled with the hand grip 10 by a first end thereof, and the lever body 21 can be detachably coupled with the cleaning head assembly 30 by a second end thereof. Although not shown, a first end of the lever 21 is provided with a locking groove (or a catching groove) adapted to the locking hook 117 of the handle 10, and a second end of the lever 21 is provided with a catch adapted to the catching groove of the cleaning head assembly 30.

As shown in fig. 14 and 15, the power receiving terminal 22 is disposed on a side wall of the rod body 21 and can communicate with an external power source, and preferably, the power receiving terminal 22 is disposed adjacent to the second end of the extension rod 20, and the power receiving terminal 22 is a contact type electrode plate. A first electrical connection terminal 23 is provided on a first end of the extension pole 20 and electrically connectable with the hand grip 10, a second electrical connection terminal 24 is provided on a second end of the extension pole 20 and electrically connectable with the cleaning head assembly 30, and electrical wires are provided on the pole body 21 for electrically connecting the power receiving terminal 22 with the first electrical connection terminal 23 and for electrically connecting the first electrical connection terminal 23 with the second electrical connection terminal 24. As will be appreciated by those skilled in the art, the power receiving terminal 22 may be electrically connected to the first electrical connection terminal 23 by one set of wires and to 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 together through a set of wires. Further, the protective shell is fixedly connected with the rod body 21 and can hide the electric wire, so that the electric wire can be protected.

As shown in fig. 14 and 15, the limiting structure 25 is fixedly connected to or integrally formed with the rod body 21, and in a state where the power receiving terminal 22 is connected to an external power source, the limiting structure 25 is used to fix the extension rod 20 to the charging stand 40, so as to prevent the connection and disconnection between the power receiving terminal 22 and the external power source. The position-limiting structure 25 comprises a T-shaped position-limiting protrusion 251 parallel to the rod body 21 and a baffle 252 perpendicular to the rod body 21, and the extension rod 20 is fixed to the charging stand 40 by inserting the T-shaped position-limiting protrusion 251 into a T-shaped position-limiting groove 423 (shown in fig. 17) of the charging stand 40. The T-shaped limiting protrusion 251 includes a longitudinal portion (not labeled) and a transverse portion (not labeled), 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 a 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 an external force on the premise that the power receiving terminal 22 is ensured to be abutted to 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 limiting the extension pole 20. Wherein, the upright post 42 is arranged on the central axis of the base 41 and is positioned at the rear side of the base 41, and is detachably connected with the base 41. In addition, the person skilled in the art can also arrange the upright post 42 at other positions on the base 41, for example, at the middle position of the base 41; one skilled in the art can also make the base 41 integral with the post 42 as desired.

As shown in fig. 16 and 18, the front edge of the base 41 is provided with a front stopper 411 protruding upward of the base 41, the left edge of the base 41 is provided with a left stopper 412 protruding upward of the base 41, and the right edge of the base 41 is provided with a right stopper 413 protruding upward of the base 41. The front stopping structures 411, the left stopping structures 412 and the right stopping structures 413 are used for limiting the forward movement, the left movement and the right movement of the cleaning head assembly 30 on the base 41 respectively, protecting the cleaning head assembly 30 and preventing foreign objects from colliding with 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 stopper groove 423 as a stopper 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 pillar 42 and extends forward of the pillar 42. A charging terminal 422, a T-shaped stopper groove 423, and a tapered groove 424 are provided on the fixing member 421. Specifically, the charging terminal 422 is provided on the front side of the fixing member 421, and is provided as an electrode sheet of a contact type. The T-shaped limit groove 423 is provided on the fixing member 421 in the vertical direction, and the T-shaped limit groove 423 has a top opening so that the limit structure 25 (specifically, the T-shaped limit projection 251) on the extension rod 20 can be inserted into the T-shaped limit groove 423 through the top opening, and in a state where the limit structure 25 is inserted into the T-shaped limit groove 423, the baffle 252 of the limit 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 column 42. The T-shaped restraint groove 423 also has a front opening that is clearance fit with a longitudinal portion of the T-shaped restraint projection 251. The bottom of the tapered groove 424 is communicated with the top of the T-shaped limiting groove 423, and the tapered groove 424 is used for guiding the T-shaped limiting projection 251 on the extension rod 20 to be inserted into the T-shaped limiting groove 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). It will be appreciated by those skilled in the art that the outlet 426 may also be configured as a plug or cord, provided that an external power source can be connected.

As shown in fig. 16 to 18, the battery charging chamber 427 can receive the battery 15 detached from the hand-held portion 10 and can charge the battery 15. The battery charging chamber 427 is disposed at the rear side of the fixing member 421, and the opening of the battery charging chamber 427 is directed upward. Although not shown in the drawings, the charging stand 40 may further include a cover case for closing the battery charging chamber 427 (when the battery 15 is not provided therein), which has the same structure as the cover case 16 shown in fig. 12 and 13 except that the cover case for closing the battery charging chamber 427 is not fixedly coupled to the battery 15.

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

During insertion of the battery 15 into the battery charging cavity 427, the battery 15 first abuts against the top of the sliding rod 4273 and then gradually compresses the spring, slowing the insertion of the battery 15 into the battery charging cavity 427 until the second power plug 4271 is inserted into the power receptacle 152 of the battery 15.

It will be understood by those skilled in the art that the sliding rod 4273 may be replaced by any feasible buffering member, such as a silicone pad disposed on the top of the arc boss 4272, provided that it can buffer the battery 15.

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

With continued reference to fig. 18, a limit protrusion 4274 is disposed on the bottom wall of the battery charging cavity 427 and is formed with a second limit groove 42741, and the second limit groove 42741 is adapted to the limit rib 153 of the battery 15 for guiding the second power plug 4271 to be inserted into the power jack 152 of the battery 15.

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

Although not shown in the drawings, the column 14 further includes a circuit board including an input connection terminal electrically connected to a power supply connection terminal (specifically, the socket 426 provided at the bottom of the column 14), a first output connection terminal electrically connected to the charging terminal 422, and a second output connection terminal electrically connected to the second power supply pin 4271. The circuit board is arranged such that the input connection terminals are simultaneously connected to the first output connection terminal and the second output connection terminal. The circuit board is also configured to selectively connect the input terminal to one of the first output terminal and the second output terminal. As an example, two electronic control switches are arranged on the circuit board, one of the two electronic control switches electrically connects the input connection terminal and the first output connection terminal together and can control the connection and disconnection between the connection terminal and the first output connection terminal; the other one of the two electric control switches electrically connects the input connecting terminal and the second output connecting terminal together and can control the on-off between the connecting terminal and the second output connecting 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 dock 40 can be used not only to place a cleaning device, but also to charge the battery 15 mounted to the handpiece 10, and also to charge the battery 15 removed from the handpiece 10. Further, the charging dock 40 effectively reduces the footprint of the overall cleaning device by having the cleaning device stand upright.

So far, the technical solutions of the present disclosure have been described in connection with the foregoing embodiments, but it is easily understood by those skilled in the art that the scope of the present disclosure is not limited to only these specific embodiments. The technical solutions in the above embodiments can be split and combined, and equivalent changes or substitutions can be made on related technical features by those skilled in the art without departing from the technical principles of the present disclosure, and any changes, equivalents, improvements, and the like made within the technical concept and/or technical principles of the present disclosure will fall within the protection scope of the present disclosure.

Claims

1. A cleaning apparatus comprising a hand-held portion, a cleaning head assembly and an extension pole removably connected by a first end thereof to the hand-held portion and by a second end thereof to the cleaning head assembly, the hand-held portion having a battery disposed thereon;

the extension rod comprises a rod body and a power receiving terminal arranged on the side wall of the rod body,

the power receiving terminal is capable of charging the battery;

the power receiving terminal is electrically connectable with the hand-held portion through the first end of the extension pole.

2. The cleaning apparatus defined in claim 1, wherein a first end of the extension pole and a second end of the extension pole are electrically connected together and the second end of the extension pole is electrically connectable together with the cleaning head assembly.

3. The cleaning apparatus defined in claim 2, wherein the extension pole further comprises a first electrical connection terminal, a second electrical connection terminal, and an electrical cord,

the first electric connection terminal is arranged on the first end of the extension rod and can be electrically connected with the handheld part;

the second electrical connection terminal is disposed on a second end of the extension pole and is electrically connectable with the cleaning head assembly;

the electric wire is arranged on the rod body, and is used for electrically connecting the power receiving terminal and the first electric connecting terminal together and also used for electrically connecting the first electric connecting terminal and the second electric connecting terminal together.

4. The cleaning apparatus defined in claim 1, wherein the power-receiving terminal is disposed proximate the second end of the extension pole; and/or the like and/or,

the power receiving terminal is a contact type electrode sheet.

5. The cleaning apparatus defined in claim 1, wherein the extension pole further comprises a limit structure disposed on the pole body,

the limiting structure is used for fixing the extension rod on a charging device in a state that the power receiving terminal is connected with an external power supply so as to prevent the connection between the power receiving terminal and the external power supply from being disconnected.

6. The cleaning apparatus as claimed in claim 5, wherein the limiting structure comprises a T-shaped limiting protrusion fixedly connected with or integrally formed with the rod body, the T-shaped limiting protrusion is parallel to the rod body,

the T-shaped limiting protrusion comprises a longitudinal portion and a transverse portion, and one end, far away from the transverse portion, of the longitudinal portion is connected with the rod body.

7. The cleaning device as claimed in claim 6, wherein the limiting structure comprises a baffle fixedly connected with or integrally formed with the rod body, and the baffle is arranged on one side of the T-shaped limiting protrusion close to the first end of the extension rod; and/or the like and/or,

the power receiving terminals comprise a positive power receiving terminal and a negative power receiving terminal, and the longitudinal part of the T-shaped limiting protrusion is positioned between the positive power receiving terminal and the negative power receiving terminal.

8. The cleaning apparatus defined in claim 5, wherein the charging device comprises a base and a post disposed on the base,

a charging terminal capable of abutting against the power receiving terminal is provided on the column, the charging terminal is capable of being electrically connected to the external power supply,

still be provided with the battery chamber of charging on the stand, the battery chamber of charging can hold the battery and consequently make charging device is right the battery charges.

9. The cleaning apparatus according to claim 8, wherein a top portion of the upright is provided with a fixing member extending forward of the upright, the charging terminal is provided on the fixing member, the fixing member is provided to allow the extension bar to be placed on and removed from the upright in a vertical direction, and the charging terminal is electrically connected with a power receiving terminal on the extension bar in a state where the extension bar is placed on the upright.

10. The cleaning apparatus defined in claim 3, wherein the extension pole further comprises a protective housing fixedly connected to the pole body, the protective housing configured to conceal the electrical cord.