WO2022047923A1

WO2022047923A1 - Roller brush for suction cleaner, and suction cleaner

Info

Publication number: WO2022047923A1
Application number: PCT/CN2020/123179
Authority: WO
Inventors: 刘海平; 邢振宇; 顾德志
Original assignee: 天佑电器（苏州）有限公司
Priority date: 2020-09-01
Filing date: 2020-10-23
Publication date: 2022-03-10
Also published as: CN213309466U

Abstract

A roller brush for a suction cleaner, and a suction cleaner. The roller brush comprises a roller body (10) and dust removing nails (21); multiple dust removing nail groups (20) are arranged at intervals along the circumferential direction of the roller body (10), and the dust removing nail groups (20) are detachably connected to the roller body (10). By configuring the dust removing nail groups (20) to be detachably connected to the roller body (10), when a dust removing nail group (20) is worn, the dust removing nail group (20) can be detached separately for replacement, avoiding replacement together with the roller body (10), thereby reducing costs.

Description

A roller brush and a vacuum cleaner for a vacuum cleaner

technical field

The utility model relates to the technical field of vacuum cleaners, in particular to a roller brush for vacuum cleaners and a vacuum cleaner.

Background technique

Vacuum cleaners are an important tool for people to clean their living and working environments. The working principle of the vacuum cleaner is to use the high-speed rotation of the motor to form a vacuum in the main unit, and use the resulting high-speed airflow to suck in the garbage from the suction port.

The floor brush is an indispensable part of the vacuum cleaner. The floor brush includes a housing and a roller brush that is rotatably connected to the housing. The roller brush includes a roller body, and a brush circumferentially arranged on the roller body. The brush is used for a long time. There will be different degrees of wear and tear after use. When the brush is worn to a certain extent, it will affect the dust removal effect of the vacuum cleaner. In the prior art, the brush is generally fixed on the roller body, and is not easy to be disassembled separately. When the brush is worn, the roller brush needs to be replaced as a whole, which is costly.

Utility model content

The purpose of the utility model is to provide a roller brush for a vacuum cleaner and a vacuum cleaner, so as to solve the technical problem that the brush is not easy to be disassembled separately, and the roller brush needs to be replaced as a whole when the brush is worn, and the cost is high.

For this purpose, the utility model adopts the following technical solutions:

A roller brush for a vacuum cleaner includes a roller body and a dust-removing nail, a plurality of groups of dust-removing nail groups are arranged at intervals along the circumferential direction of the roller body, and the dust-removing nail groups are detachably connected to the roller body.

As a preferred technical solution for a roller brush for a vacuum cleaner, each set of the dust removal nail group includes a number of the dust removal nails arranged in a linear or spiral shape, the dust removal nails include a main body part and a connection part, the dust removal nails The connecting portion of each of the dust removal nails in the nail group is detachably connected to the rolling body.

As a preferred technical solution for a roller brush for a vacuum cleaner, the connecting portion is provided with a thread, the roller body is provided with a threaded hole, and the connecting portion is threadedly connected to the threaded hole through the thread.

As a preferred technical solution for a roller brush for a vacuum cleaner, the connecting portion is a hook, the roller body is provided with a slot, and the hook is engaged with the slot.

As a preferred technical solution for a roller brush for a vacuum cleaner, the dust removal nail includes a main body part and a connection part, and the dust removal nail group includes a strip-shaped connection part and a plurality of main body parts connected to the strip-shaped connection part, The strip-shaped connecting portion is detachably connected to the rolling body.

As a preferred technical solution for a roller brush for a vacuum cleaner, the roller body is provided with a slot, and the strip-shaped connecting portion is inserted into the slot.

As a preferred technical solution for a roller brush for a vacuum cleaner, a number of fixing holes are opened on the strip-shaped connecting portion, and a number of threaded holes corresponding to the fixing holes are opened on the roller body, and screws pass through the After fixing the hole, it is threadedly connected to the threaded hole; alternatively, a number of threaded posts are arranged on the strip-shaped connecting part, and a number of threaded holes corresponding to the threaded posts are set on the rolling body. threadedly connected to the threaded hole.

As a preferred technical solution for a roller brush of a vacuum cleaner, a plurality of hooks are arranged on the strip-shaped connecting portion, and a plurality of slots corresponding to the hooks are arranged on the roller body, and the hooks are connected with the hooks. The card slot is clamped.

As a preferred technical solution for a roller brush for a vacuum cleaner, the body portion is a rubber column or a bristle bundle.

A vacuum cleaner comprising the roller brush described in any one of the above solutions.

The beneficial effects of the present utility model:

The utility model provides a roller brush for a vacuum cleaner, which comprises a roller body and a dust removal nail, a plurality of groups of dust removal nail groups are arranged at intervals along the circumferential direction of the roller body, and each group of dust removal nail groups includes a number of linear or spiral rows The dust-removing nails of the cloth, the dust-removing nail group and the roller are detachably connected. By arranging the detachable connection between the dust removal nail group and the roller body, when the dust removal nail group is worn out, the dust removal nail group can be removed and replaced separately, and the replacement together with the roller body can be avoided, thereby reducing the cost.

Description of drawings

Fig. 1 is the structural representation of the roller brush provided by the first embodiment of the present invention;

Fig. 2 is the first structural schematic diagram of the dust removal nail involved in the first embodiment of the present invention;

3 is a second structural schematic diagram of the dust removal nail involved in the first embodiment of the present invention;

FIG. 4 is a third structural schematic diagram of the dust removal nail involved in the first embodiment of the present invention;

5 is a schematic structural diagram of the dust removal nail group involved in the second embodiment of the present invention;

FIG. 6 is a schematic diagram of the connection between the dust-removing nail group and the rolling body involved in the second embodiment of the present invention.

In the picture:

10. Roller body; 11. Anti-winding protrusions; 20. Dust removal nail group; 21. Dust removal nails; 211, body part; 212, connecting part;

detailed description

The technical solutions of the present utility model are further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the accompanying drawings only show the part related to the present invention, but not the whole.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or a fixed connection. It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms “upper”, “lower”, “left”, “right”, etc. are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplified operation , rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present invention. In addition, the terms "first" and "second" are only used for distinction in description, and have no special meaning.

Example 1

As shown in FIG. 1 to FIG. 4 , the present embodiment provides a roller brush for a vacuum cleaner, which includes a roller body 10 and dust removal nails 21 , and a plurality of groups of dust removal nail groups 20 are arranged at intervals along the circumferential direction of the roller body 10 . The dust removal nail group 20 includes a plurality of dust removal nails 21 arranged in a linear or spiral shape, and the dust removal nail group 20 is detachably connected with the roller body 10 . By setting the dust removal nail group 20 and the roller body 10 to be detachable connection, when the dust removal nail group 20 is worn, the dust removal nail group 20 can be removed and replaced separately, avoiding the replacement together with the roller body 10, thereby reducing the cost. .

Specifically, the dust removal nail 21 includes a main body part 211 and a connection part 212. In this embodiment, the connection part 212 of each dust removal nail 21 in the dust removal nail group 20 is detachably connected to the roller body 10, so that the dust removal nail group When a certain dust removal nail 21 in the 20 is worn, the worn dust removal nail 21 can be replaced independently, which makes the replacement more convenient and can further reduce the cost.

Optionally, referring to FIGS. 2 and 4 , the connecting portion 212 is provided with threads, the rolling body 10 is provided with threaded holes, and the connecting portion 212 is threadedly connected with the threaded holes through threads. Alternatively, referring to FIG. 3 , the connecting portion 212 is a hook, the roller body 10 is provided with a slot, and the hook is engaged with the slot. Both of the above two connection methods can realize the detachable connection between the dust removal nail 21 and the roller body 10, and the connection is reliable, and the disassembly and assembly are convenient. Optionally, the hook includes a first hook and a second hook arranged at intervals, a first hook portion is provided on the side of the first hook away from the second hook, and the second hook is away from one side of the first hook. A second hook portion is arranged on the side; a first slot portion matched with the first hook portion and a second groove portion matched with the second hook portion are respectively arranged on the two groove walls opposite to the card slot. The first hook and the second hook can be elastically deformed, so that the first hook part and the second hook part can be clipped or separated from the first groove part and the second groove part.

The body part 211 can be a rubber column (see Fig. 2 and Fig. 3 ) or a tuft of hair (see Fig. 4 ). The rubber column can clean the floor dust, and the tuft can go deep into the carpet for cleaning. The body part 211 can be selected as required. , so that the roller brush can be applied to a variety of environments.

Further, a plurality of anti-winding protrusions 11 are provided at the circumferential intervals of the roller body 10. When the hair is wrapped around the roller body 10, the anti-winding protrusions 11 can support the hair and prevent the hair from being wrapped around the roller body too tightly. 10, easy to clean up. Preferably, the number of anti-winding protrusions 11 is equal to the number of dust-removing nail groups 20 and corresponds to one-to-one. The group 20 is detachably connected to the anti-winding protrusion 11 . This arrangement can improve the integrity of the structure.

Embodiment 2

This embodiment provides a roller brush for a vacuum cleaner. The roller brush provided by this embodiment is basically the same as that of the first embodiment. For the sake of simplicity, this embodiment only describes the differences from the first embodiment. In this embodiment 5 , the connection parts 212 of several dust removal nails 21 in the dust removal nail group 20 are integrally arranged to form a strip-shaped connection part 213 , and the strip-shaped connection part 213 is detachably connected to the roller body 10 . When many dust removal nails 21 are worn in a certain group of dust removal nail groups 20, the group of dust removal nail groups 20 can be removed from the roller body 10 as a whole, and the removal efficiency is high.

Optionally, referring to FIG. 6 , the roller body 10 is provided with a slot, and the strip-shaped connecting portion 213 is inserted into the slot. Specifically, the slot is T-shaped and includes a first slot portion and a second slot portion that communicate with each other vertically. The width of the first slot portion is greater than the width of the second slot portion, and the strip-shaped connecting portion 213 can be inserted. In the first slot portion, the main body portion 211 of the dust removal nail 21 in the dust removal nail set 20 can protrude from the second slot portion. Alternatively, a number of fixing holes can also be opened on the strip-shaped connecting portion 213, and a number of threaded holes corresponding to the fixing holes can be opened on the roller body 10, and the screws pass through the fixing holes and are threadedly connected with the threaded holes, thereby connecting the strips. The portion 213 is connected to the rolling body 10 . Alternatively, a plurality of threaded posts may be provided on the strip-shaped connecting portion 213, and a plurality of threaded holes corresponding to the threaded posts may be provided on the roller body 10, and the threaded posts and the threaded holes are threadedly connected. Alternatively, a plurality of hooks may be provided on the strip-shaped connecting portion 213 , and a plurality of slots corresponding to the hooks may be arranged on the roller body 10 , and the hooks are engaged with the slots. All of the above can realize the detachable connection between the dust removal nail group 20 and the roller body 10, and the connection is reliable, and the disassembly and assembly are convenient. It can be understood that the above is only an exemplary description and is not limited thereto.

Embodiment 3

This embodiment provides a vacuum cleaner using the roller brush described in the first or second embodiment. When the dust-removing nail group 20 is worn out, the dust-removing nail group 20 can be removed and replaced separately, so that the replacement together with the roller body 10 is avoided, thereby reducing the cost.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the claims of the present utility model.

Claims

A roller brush for a vacuum cleaner, characterized in that it comprises a roller body (10) and a dust removal nail (21), and a plurality of groups of dust removal nail groups (20) are arranged at intervals along the circumferential direction of the roller body (10), so that the The dust removal nail group (20) is detachably connected to the roller body (10).
The roller brush for a vacuum cleaner according to claim 1, characterized in that each group of the dust removal nail groups (20) comprises a plurality of the dust removal nails (21) arranged in a linear or spiral shape, and the dust removal nails (21) The dust removal nail (21) includes a main body part (211) and a connection part (212), and the connection part (212) of each of the dust removal nails (21) in the dust removal nail group (20) is connected to the roller The body (10) is detachably connected.
The roller brush for a vacuum cleaner according to claim 2, characterized in that the connecting portion (212) is provided with a thread, the roller body (10) is provided with a threaded hole, and the connecting portion (212) The screw is connected with the screw hole through the screw thread.
The roller brush for a vacuum cleaner according to claim 2, wherein the connecting portion (212) is a hook, the roller body (10) is provided with a slot, and the hook is connected to the hook. Slot snaps.
The roller brush for a vacuum cleaner according to claim 1, characterized in that the dust removal nail group (20) comprises a strip-shaped connecting portion (213) and a plurality of strip-shaped connecting portions (213) connected to the strip-shaped connecting portion (213). The main body part (211), the strip-shaped connecting part (213) is detachably connected with the rolling body (10).
The roller brush for a vacuum cleaner according to claim 5, wherein a slot is provided on the roller body (10), and the strip-shaped connecting portion (213) is inserted into the slot.
The roller brush for a vacuum cleaner according to claim 5, characterized in that a plurality of fixing holes are formed on the strip-shaped connecting portion (213), and a plurality of fixing holes are formed on the roller body (10) One-to-one corresponding threaded holes, the screws pass through the fixing holes and then are threadedly connected with the threaded holes; A plurality of threaded holes corresponding to the threaded posts are provided, and the threaded posts are threadedly connected with the threaded holes.
The roller brush for a vacuum cleaner according to claim 5, characterized in that a plurality of hooks are arranged on the strip-shaped connecting portion (213), and a plurality of hooks are arranged on the roller body (10) to match the hooks. One-to-one corresponding card slots, the hooks are engaged with the card slots.
The roller brush for a vacuum cleaner according to any one of claims 2-8, characterized in that, the body portion (211) is a rubber column or a bristle bundle.
A vacuum cleaner, characterized by comprising the roller brush according to any one of claims 1-9.