CN211093737U

CN211093737U - Vacuum cleaner with a vacuum cleaner head

Info

Publication number: CN211093737U
Application number: CN201921417043.4U
Authority: CN
Inventors: 卞庄
Original assignee: Suzhou EUP Electric Co Ltd
Current assignee: Suzhou EUP Electric Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-07-28
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a vacuum cleaner, include: a body; a handle portion defined by and rearward of the body; a dust intake duct portion having a dirty air inlet; a vacuum motor; the dust collecting cup is arranged on the body, a dust chamber for receiving and storing dust is arranged in the dust collecting cup, and the dust inlet pipe, the dust collecting cup and the vacuum motor are sequentially communicated in an air flow manner; the filter screen is positioned in the dust collecting cup, and air can flow to the outside of the dust collecting cup after passing through the filter screen; the dust wiping device comprises a dust wiping part and an operating part, wherein the dust wiping part is positioned in the dust collecting cup and at least partially clings to the outer surface of the filter screen, and the operating part can be operated from the outside to drive the dust wiping part to move along the outer surface of the filter screen; the operating member is at least partially located on and movable relative to the outer surface of the dirt cup. The utility model discloses a dust catcher, the user can clean the mesh on filter screen surface at any time to the dust cup need not to open by the cleaning wire, and its operation that has made things convenient for the user, and user experience obtains greatly improving.

Description

Vacuum cleaner with a vacuum cleaner head

Technical Field

The utility model belongs to the vacuum cleaner field.

Background

The dust cup in the vacuum cleaner can realize gas-solid separation of the dust-containing airflow introduced into the dust cup in the vacuum cleaner, large-particle dust can be left in the dust cup after the gas-solid separation, and small-particle dust can flow through the filter screen along with air and escape to the outside of the dust cup. However, after a filter screen in the dust cup is used for a long time, medium particles or suspended garbage can be accumulated on the mesh opening, so that the negative pressure of the dust cup is reduced, and the gas-ash separation efficiency is affected.

In the prior art, in order to clean the blocked surface of the filter screen, the dust cup is usually disassembled, so that the filter screen is exposed, and then the cleaning work is performed, and the scheme is time-consuming and labor-consuming.

Chinese patent publication No. CN102283613B discloses a cyclone separating apparatus, in which a cleaning member capable of moving along a side wall is disposed inside a dust cup along the inside and/or outside of a filter cover, the cleaning member can clean the side wall and a plurality of through holes of the filter cover during the movement, and the cleaning member is disposed to be driven by a rotating handle knob disposed at the top of the dust cup; in the cyclone separation device, the rotating handle knob at the top is rotated to drive the cleaning to work, so that the surface of the filter cover is cleaned. The cyclonic separating apparatus also has a problem in that the top of the cyclonic separating apparatus is rarely exposed to the user of a compact hand-held cleaner, i.e. there is no means for the user to operate to remove the dirt. Therefore, it becomes difficult to provide a compact hand-held cleaner with a component having a dust cleaning function.

Chinese patent publication No. CN 109602326A discloses a dust cup comprising an agitating member in the form of a plurality of bristles. As the dirt cup is rotated about the axis to transition from the closed orientation to the open orientation, the agitation members come into contact with the screen (i.e., filter mesh) of the filter section-typically, the contact "scrapes" the screen, which may advantageously remove or otherwise displace debris that adheres to the screen. This handheld dust catcher of compact can utilize the effort when opening the dust cup, the realization is cleaned the dust on keeping off the net simultaneously, it can make to set up the part that has the deashing function on handheld dust catcher of compact will become easy, this scheme also has the drawback at that time, that is when cleaning the net surface of keeping off at every turn, all must shut down and open the dust cup, and if the single opens the dust cup and can not accomplish when keeping off the net cleanness, need open to close to the dust cup repeatedly and just can realize many times, it is not only time-wasting, and also very unfavorable to the life of dust cup.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a need not to open the dust cup, just can carry out the vacuum cleaner of deashing operation to the filter screen of dust cup inside.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a vacuum cleaner comprising:

a body;

a handle portion defined by and located at a rear of the body;

a dirt intake duct portion having a dirty air inlet, the dirt intake duct portion being defined by the front of the body and the dirty air inlet being located at the front end of the body;

a vacuum motor mounted on said body, said vacuum motor for generating suction and drawing a dusty airflow into said dirty air inlet;

the dust collecting cup is arranged on the body, a dust chamber for receiving and storing dust is arranged in the dust collecting cup, and the dust inlet pipe, the dust collecting cup and the vacuum motor are sequentially communicated in an air flow manner;

the filter screen is positioned in the dust collecting cup, and air can flow to the outside of the dust collecting cup after passing through the filter screen;

the dust wiping device comprises a dust wiping part and an operating part, wherein the dust wiping part is positioned in the dust collecting cup and at least partially clings to the outer surface of the filter screen, and the operating part can be operated from the outside to drive the dust wiping part to move along the outer surface of the filter screen;

the operating member is at least partially located on the outer surface of the dirt cup and is movable relative to the outer surface of the dirt cup; when the user operates the operating member to move relative to the outer surface of the dust collecting cup, the dust wiping member is driven to move along the outer surface of the filter screen to wipe off dust attached to the outer surface of the filter screen.

In the above technical solution, preferably, the operating member is C-shaped and is caught on an outer wall surface of the dust cup. Further preferably, a recess is provided in an outer wall surface of the dust cup, and the operating member is at least partially received in the recess.

In the above technical solution, preferably, at least a part of the outer surface of the filter screen is a cylindrical surface or a conical surface, the filter screen has a center line, the dust wiping member is hinged inside the dust cup through a pivot, and the center line of the filter screen coincides with the axis line of the pivot; when the dust wiping part rotates around the shaft axis, the dust wiping part moves along the outer surface of the filter screen to wipe off dust attached to the outer surface of the filter screen. Further preferably, the operating member is movably disposed on an outer wall surface of the dust cup in a radial direction of the dust cup, a transmission mechanism is disposed between the operating member and the dust wiping member, and the transmission mechanism at least includes a reversing unit capable of changing a direction of an acting force applied to the operating member by a user and transmitting the changed direction to the dust wiping member. Further preferably, the transmission mechanism comprises a rack fixedly arranged with the operating member and a gear in transmission engagement with the rack; still further preferably, at least part of the outer surface of the dust cup is an arc surface, and the gear and the dust wiping piece are coaxially arranged. Or further preferably, the dust wiping part is U-shaped, and two open ends of the dust wiping part are fixedly arranged on the pivot.

In the above technical solution, preferably, a cavity is formed in a middle portion of the body, the vacuum motor is installed in the cavity, the dust cup is installed below the dust inlet pipe portion, and a rear end portion of the dust cup is adjacent to the cavity.

In the above technical solution, preferably, an opening is formed at a front end portion of the dust cup, a dust cover capable of closing and opening the opening is disposed at a front side of the dust cup, and the dust cover is hinged below the dust inlet pipe portion.

In the above technical solution, preferably, the body includes a first rear end portion and a second rear end portion located on a lower side of the first rear end portion, the second rear end portion being adjacent to the first rear end portion, a battery pack is mounted at the second rear end portion, and a gap is provided between the first rear end portion and the second rear end portion, the gap being configured to allow at least four fingers other than a thumb to be inserted, so that a user can grip the handle portion with a single hand.

The utility model discloses a to wipe operating parts setting on the ash device on the outer wall of dust cup, the one of which aspect can shorten the operating parts and wipe the transmission distance of ash piece, and another convenience also makes arranging of operating parts the position more with convenience of customers' operation, and the user can clean the mesh on filter screen surface at any time moreover to the cleaning wire need not to open the dust cup, and its operation that has made things convenient for the user, and user experience obtains greatly improving.

Drawings

FIG. 1 is a schematic perspective view of a vacuum cleaner according to an embodiment of the present invention, showing a dust cover in a closed position;

FIG. 2 is a second schematic perspective view of a vacuum cleaner according to an embodiment of the present invention, with the dust cover in an open position;

FIG. 3 is a schematic sectional view of a vacuum cleaner according to an embodiment of the present invention, showing a first dust cover in a closed position;

FIG. 4 is a schematic sectional view of a vacuum cleaner showing the second position of the dust cover in an open position in accordance with an embodiment of the present invention;

FIG. 5 is an enlarged schematic view at A of FIG. 3;

figure 6 is a partially exploded schematic view of a vacuum cleaner in accordance with an embodiment of the present invention, with the dust cover in an open position and the dust cup removed from the body;

FIG. 7 is an enlarged schematic view of the front half of FIG. 3;

figure 8 is a schematic view of the internal structure of a dust cup and the arrangement of an ash wiping device according to an embodiment of the present invention;

FIG. 9 is a schematic view of an ash wiping member moving on the outer surface of a filter screen according to an embodiment of the present invention;

FIG. 10 is a schematic view showing the transmission relationship of the ash wiping device according to the embodiment of the present invention;

wherein: 100. a vacuum cleaner; 1. a body; 11. a front end portion; 12. a first rear end portion; 13. a second rear end portion; 14. a handle portion; 15. a void; 16. a dust inlet pipe portion; 161. a dirty air inlet; 102. a cavity; 5. a battery pack; 3. a dust collecting cup; 31. a dust collecting chamber; 32. an opening; 4. a cup cover; 8. a locking device; 301. a slot; 82. a spring; 103. a lock pin; 81. a release switch; 33. a filter screen; 331. mesh openings; 9. a dust wiping device; 91. a dust wiping member; 92. an operating member; 93. a transmission mechanism; 332. an outer surface; 333. a centerline; 94. a pivot; 941. a shaft axis; 301. a recess; 931. a rack; 932. a gear.

Detailed Description

To explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following detailed description is made with reference to the accompanying drawings.

The vacuum cleaner 100 as shown in fig. 1-2 comprises a body 1, the body 1 having a front end 11, a first rear end 12 and a second rear end 13. The rear part of the body 1 forms a U-shaped structure with an opening towards the rear side, defined by a first rear end 12 and a second rear end 13. The part of the body 1 from the front end 11 to the first rear end 12 extends in an arc. The arcuate shaped part of the body 1 forms a handle portion 14 adjacent the first rear end 12, the handle portion 14 being provided as an elongate structure which can be grasped by a user. A space 15 is provided between the first rear end portion 12 and the second rear end portion 13, the space 15 being configured to receive at least four fingers other than a thumb for a user to grasp the handle portion 14 with a single hand. The front part of the main body 1 forms a dust inlet pipe part 16, and the front end part 11 of the main body 1 is provided with a dirty air inlet 161 communicated with the dust inlet pipe part 16. A battery pack 5 is also mounted at the second rear end 13 in this example. Referring to fig. 3, the body 1 defines a cavity 102 in the middle, and the cavity 102 has an upper and lower height corresponding to the total height of the first rear end cavity 12, the gap 15 and the second rear end 13. The chamber 102 is used to house a vacuum motor (not shown) which generates suction and draws a dirty airflow into the dirty air inlet 161. The battery pack 5 is capable of providing power to the vacuum motor within the chamber 102 when the cleaner 100 is in operation.

As shown in fig. 3-4, the interior of the dirt cup 3 has a dirt collection chamber 31, the dirt collection chamber 31 communicating with the dirty air inlet 161 via the internal passage of the dirt intake duct portion 16. The front end of the dust cup 3 is open and combined, namely an opening 32 communicated with the dust chamber 31 is formed at the front end, and the dust contained in the dust chamber 31 can be discharged from the dust cup 3 through the opening 32; the rear end of the dirt cup 3 is attached to the middle of the body 1 and abuts the chamber 102. A cup cover 4 for closing and opening an opening 32 at the front end of the dust cup 3 is provided at the front lower portion of the dust inlet pipe portion 16, and the cup cover 4 is hinged to the lower wall surface of the dust inlet pipe portion 16 through a pivot 41 so as to be pivotally movable between a closed position and an open position; the cup lid 4 in this example is arranged to be turnable forwards and upwards relative to the dust cup 3. (ii) a Wherein, when the cup cover 4 is at the closing position, the cup cover 4 seals the opening 32 of the dust collecting cup 3; and when the cap 4 is in the open position, dust can be discharged from the opening 32 of the dust cup 3.

In order to enable cleaning of the dust cup, the dust cup 3 is mounted lying on the underside of the dust inlet pipe portion 16 as shown in fig. 5, and is detachably mounted in such a manner that it is detached in the up-down direction, and this detachment is an operation which is performed after the lid 4 is opened.

As shown in fig. 3, 4 and 6, a locking device 8 is provided between the dust cup 3 and the body 1, and the locking device 8 includes a slot 301 provided on the dust cup 3, a latch 103 supported on the body 1 by a spring 82, and a release switch 81 operatively mounted on the body 1. When the latch 103 is partially inserted into the slot 301, the dust cup 3 is fixed with the body 1; when the latch 103 is slid out of the slot 301, the dust cup 3 can be detached from the body 1. In this embodiment, the release switch 81 is slidably disposed at the bottom of the body 1, the release switch 81 is fixedly connected to the latch 103, and when the user operates the release switch 81 to slide, the latch 103 slides along with it and slides out of the slot 301. When the user mounts the detached dust cup 3 on the body 1, the user pushes the dust cup 3 to the upper side, the dust cup 3 presses the latch 103 and the spring 82 is compressed, when the dust cup 3 is mounted at a proper position, the latch 103 and the slot 301 are aligned in front and back, the latch 103 automatically slides into the slot 301 under the restoring force of the spring 82, and the dust cup 3 and the body 1 are locked.

In this example, the dust intake pipe portion 16, the handle portion 14, the vacuum motor and the body 1 are formed as an inseparable, single, integral component. In other cases, portions such as the dirt intake tube portion 16 and the handle portion 14 may be provided in a removable configuration.

As shown in fig. 7-8, a filter screen 33 is arranged in the dust cup 3, the filter screen 33 is provided with a plurality of mesh openings 331, a dust-laden air flow entering the interior of the dust cup 3 through the dust inlet pipe portion 16 can rotate in the interior of the dust cup 3, then large dust particles larger than the mesh openings 331 are retained in the interior of the dust cup 3, and air entrained with the small dust particles can pass through the mesh openings 331 of the filter screen 33 and flow to the exterior of the dust cup 3. In this process, some dust particles or suspended dust may adhere to the outer surface of the filter net 33 or be clogged in the mesh 331 due to various problems, etc., which may cause a drop in the internal vacuum pressure of the dust cup 3, thereby affecting the air-dust separating efficiency. For this purpose, in this example, the vacuum cleaner 1 is provided with an ash wiping device 9 which can clean the outer surface of the dirty filter screen 33.

As shown in fig. 9-10, the ash-wiping means 9 comprises an ash-wiping member 91 located inside said dust cup 3, an operating member 92 located outside the dust cup 3 and a transmission mechanism 93 arranged between the ash-wiping member 91 and the operating member 92. The outer surface 332 of the filter screen 33 is a circular arc and has a centerline 333. The dust wiping member 91 is of a U-shaped configuration with two open ends fixedly mounted on a pivot 94, and the center line 333 of the outer surface 332 coincides with the axis 941 of the pivot 94. The transmission mechanism 93 includes a rack 931 and a gear 932 in driving engagement with the rack 931. In this example, the rack 931 is provided integrally with the operating member 92, and the gear 932 is provided coaxially with the dust wiping member 91. The combination of the rack 931 and the gear 932 forms a reversing unit that is capable of redirecting the force applied by the user to the operating member 92 and then transmitting the redirected force to the ash wiping member 91.

As shown in figure 7, the outer wall surface of the dust cup 3 is provided with a recess 301, and the operating member 92 is C-shaped and is caught in the recess 301 of the outer wall surface of the dust cup 3.

As shown in fig. 1, 2 and 9, the operating member 92 is provided on the outer wall surface of the dust cup 3 so as to be movable in a radial direction of the dust cup 3 (i.e. in an inward-outward direction of the dust cup 3). When the user moves the operating member 92 from the outside of the dust cup 3 in and out (i.e. inwardly towards the outer wall surface of the dust cup and outwardly away from the outer wall surface of the dust cup), the operating member 92 transmits power to the dust wiping member 91 via the transmission mechanism 93, the dust wiping member 91 will rotate around the axial lead 941 of the pivot 94, and the dust wiping member 91 will wipe off dust attached to the outer surface of the filter screen 33 by moving along the outer surface 332 of the filter screen 33.

In the present case, the dust wiping device 9 is arranged on the dust collecting cup 3, so that a user can clean the filter screen 33 in the dust collecting cup 3 at any time, and the dust adhered or clamped on the outer surface of the filter screen 33 can be cleaned by the operation, so that the mesh opening is kept smooth all the time, and the suction power is always kept at the maximum value.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A vacuum cleaner comprising:

a body;

a handle portion defined by and located at a rear of the body;

the dust wiping device comprises a dust wiping part and an operating part, wherein the dust wiping part is positioned in the dust collecting cup and at least partially clings to the outer surface of the filter screen, and the operating part can be operated from the outside to drive the dust wiping part to move along the outer surface of the filter screen; the method is characterized in that:

2. The vacuum cleaner of claim 1, wherein: the operating piece is C-shaped and is clamped on the outer wall surface of the dust collecting cup.

3. The vacuum cleaner of claim 2, wherein: the outer wall surface of the dust collecting cup is provided with a concave part, and the operating piece is at least partially accommodated in the concave part.

4. The vacuum cleaner of claim 1 or 2, wherein: the outer surface of the filter screen is at least partially cylindrical or conical, the filter screen is provided with a central line, the dust wiping piece is hinged in the dust collecting cup through a pivot, and the central line of the filter screen is superposed with the axial line of the pivot; when the dust wiping part rotates around the shaft axis, the dust wiping part moves along the outer surface of the filter screen to wipe off dust attached to the outer surface of the filter screen.

5. The vacuum cleaner of claim 4, wherein: the operating piece can be arranged on the outer wall surface of the dust collecting cup in a way of moving along the radial direction of the dust collecting cup, and a transmission mechanism is arranged between the operating piece and the dust wiping piece.

6. The vacuum cleaner of claim 5, wherein: the transmission mechanism comprises a rack fixedly arranged with the operating piece and a gear in transmission engagement with the rack.

7. The vacuum cleaner of claim 6, wherein: at least part of the outer surface of the dust collecting cup is an arc surface, and the gear and the dust wiping piece are coaxially arranged.

8. The vacuum cleaner of claim 4, wherein: the ash wiping piece is U-shaped, and two open ends of the ash wiping piece are fixedly arranged on the pivot.

9. The vacuum cleaner of claim 1, wherein: the middle part of the body is provided with a cavity, the vacuum motor is arranged in the cavity, the dust cup is arranged below the dust inlet pipe part, and the rear end part of the dust cup is adjacent to the cavity.

10. The vacuum cleaner of claim 1 or 9, wherein: the dust collecting cup is characterized in that the front end part of the dust collecting cup is provided with an opening, the front side of the dust collecting cup is provided with a dust cover capable of closing and opening the opening, and the dust cover is hinged at the front end part of the body.

11. The vacuum cleaner of claim 1, wherein: the body includes a first rear end portion and a second rear end portion located on a lower side of the first rear end portion, adjacent the first rear end portion, a battery pack mounted at the second rear end portion, a space between the first rear end portion and the second rear end portion, the space being configured to allow insertion of at least four fingers other than a thumb for a user to grasp the handle portion with a single hand.