Dust collection brush head structure and dust collector

Abstract

The utility model relates to a dust collection brush head structure and a dust collector comprising the dust collection brush head, the dust collection brush head structure comprises a first air suction port and a second air suction port, and the second air suction port is communicated with a second air duct; a front cover, a middle cover and a rear cover are arranged on the base in a covering mode, the middle cover covers the third dust collecting plate and the fourth dust collecting plate, a pair of first supporting arms extends upwards from the middle of the middle cover, and an air duct connecting part extends from the side, close to the first side part, of the middle cover and between the first supporting arms in the direction of the base; and the air duct connector is communicated with the second air duct. By means of the combined assembly structure of the front cover, the middle cover and the rear cover which are arranged on the base in a covering mode, on one hand, inconvenience that installation positions are easily forgotten when the dust collection brush head is assembled after an upper cover is integrally formed in the prior art is avoided; on the other hand, the first air duct and the second air duct are communicated with the main air duct through the structure of the front cover and the middle cover.

Description

Technical Field

[0001] The utility model relates to the field of cleaning products, in particular to a vacuum cleaner brush head. Background Art

[0002] The prior art vacuum cleaner brush assembly structure with motor drive is complex. After a period of use, whether it is replacing the brush or disassembling the brush head assembly for cleaning, it is inconvenient to disassemble and assemble. When the vacuum cleaner brush head is in use, the bristles are often entangled with larger hairs and threads, which makes cleaning extremely troublesome. It can be seen that the above problems lead to a poor user experience. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a vacuum brush head structure, including a base, the base including a body having a first side portion, a second side portion, a third side portion and a fourth side portion, the first side portion and the second side portion are arranged opposite to each other, the first side portion and the second side portion are provided with a third side portion and a fourth side portion opposite to each other, the first side portion is provided with a first connecting portion, the first connecting portion is used to install an air suction pipe leading to a vacuum cleaner, and the characteristics are:

[0004] The second side portion is provided with a first dust collecting plate and a second dust collecting plate which are oppositely arranged and extend outward, the first dust collecting plate and the second dust collecting plate are symmetrical on a horizontal projection plane, a first air intake port is formed between opposite ends of the first dust collecting plate and the second dust collecting plate, and the first air intake port is connected to the first air duct;

[0005] A third dust collecting plate and a fourth dust collecting plate are provided between the first side portion and the second side portion, the third dust collecting plate and the fourth dust collecting plate extend vertically upward from the bottom of the body and are symmetrical on the vertical projection plane, a second air intake port is formed between the opposite ends of the third dust collecting plate and the fourth dust collecting plate, and the second air intake port is connected to the second air duct;

[0006] The base is covered with a front cover, a middle cover and a rear cover, the middle cover is covered above the third dust collecting plate and the fourth dust collecting plate, a pair of first support arms extend upward from the middle of the middle cover, and the middle cover extends an air duct connecting portion from a side close to the first side portion, between the first support arms, toward the base, and the air duct connecting port is connected to the second air duct.

[0007] Preferably, the angle formed by the air duct connection portion and the horizontal plane is 20° to 60°.

[0008] Preferably, the opposite ends of the first dust collecting plate and the second dust collecting plate are different in height relative to the distal ends.

[0009] Preferably, the opposite ends of the third dust collecting plate and the fourth dust collecting plate extend toward the first side portion in an arc shape and are connected to the first side portion.

[0010] Preferably, the distal end of the third dust collecting plate extends toward the second side portion and is connected to the inner side of the extended end of the third side portion and the inner side of the second side portion.

[0011] Preferably, the front cover includes a front cover plate, a first extension portion and a first air duct interface, the front cover plate is covered on the outer sides of the first dust collecting plate and the second dust collecting plate, the first extension portion extends from the front cover plate toward the first side portion and is covered above the first support arm, and the first air duct interface extends from the first extension portion toward one end of the first side portion toward the first side portion.

[0012] Preferably, the back cover comprises a cover body and a second extension portion, the cover body extends the second extension portion toward the second side portion, and the second extension portion and the cover body wrap the third side portion and the fourth side portion in the direction of the third side portion and the fourth side portion.

[0013] Preferably, the cover body abuts against the middle portion of the middle cover in the second side direction.

[0014] Preferably, the cover body extends the second connecting arm in the direction of the first side portion, and the second connecting arm matches the first connecting portion.

[0015] The utility model also provides a vacuum cleaner, characterized in that it comprises a vacuum brush head having the vacuum brush head structure, and the vacuum component of the vacuum cleaner is connected to the vacuum brush head via a hard and / or soft suction duct.

[0016] The utility model has the following beneficial technical effects:

[0017] 1. The utility model uses a combined assembly structure of a front cover, a middle cover and a rear cover which are arranged on the base. On the one hand, the utility model realizes the disassembly and assembly of the vacuum cleaner brush head, which is more convenient than the prior art in which the functional components are assembled after the one-piece upper cover is formed, and the installation position is easily forgotten. At the same time, on the other hand, the structure of the first air duct and the second air duct connecting the main air duct is realized through the structure of the front cover and the middle cover.

[0018] 2. The utility model forms a connecting structure with the second air duct by setting an air duct connecting part. This oblique extension within the above-mentioned angle range greatly reduces the wind resistance and the friction between the first air duct and dirt such as hair, yarn balls, dust, and paper scraps. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an overall schematic diagram of the vacuum brush head structure of an embodiment of the utility model;

[0020] Figure 2 This is a structural cross-sectional view of the vacuum brush head structure of an embodiment of the utility model;

[0021] Figure 3A structural cross-sectional view of the vacuum brush head structure of an embodiment of the utility model from another angle;

[0022] Figure 4 This is a structural exploded view of the vacuum brush head structure of an embodiment of the utility model;

[0023] Figure 5 This is a bottom structural diagram of the vacuum brush head structure of an embodiment of the utility model;

[0024] Figure 6 This is a schematic diagram of the exploded structure of the main body of an embodiment of the utility model;

[0025] Figure 7 This is a schematic structural diagram of the vacuum brush head structure from another angle according to an embodiment of the utility model;

[0026] Figure 8 It is a schematic structural diagram of the front cover, the middle cover and the rear cover of an embodiment of the utility model. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0030] See also Figure 1-Figure 5 The vacuum brush head of the utility model includes a base 10, and the base 10 includes a body 11 and a first connecting portion 12 provided on the first side of the body 11. The first connecting portion 12 can be fixedly connected to the body 11. As a preferred embodiment, the body 11 and the first connecting portion 12 are integrally formed. The second side of the body 11 opposite to the first side is provided with a first dust collecting plate 131 and a second dust collecting plate 132 extending outward and arranged oppositely. The first dust collecting plate 131 and the second dust collecting plate 132 are symmetrical on a horizontal projection plane, and a first air inlet 14 is formed between the opposite ends of the first dust collecting plate 131 and the second dust collecting plate 132. As an embodiment, the upper sides of the first dust collecting plate 131 and the second dust collecting plate 132 are both provided with a first positioning column 135. As an embodiment, the opposite ends of the first dust collecting plate 131 and the second dust collecting plate 132 are different in height relative to the far end, that is, the first dust collecting plate 131 and the second dust collecting plate 132 are not arranged horizontally. Preferably, the height of the opposite ends of the first dust collecting plate 131 and the second dust collecting plate 132 is higher than that of the distal end. The inclined setting on the horizontal plane is more conducive to larger hair and yarn balls being sucked into the first air inlet 14 than the horizontal setting. A third side and a fourth side are provided between the first side and the second side of the body 11. As an embodiment, the third side and the fourth side both extend toward the outer side of the second side and are connected to the distal ends of the first dust collecting plate 131 and the second dust collecting plate 132. As an embodiment, the outer sides of the first dust collecting plate 131 and the second dust collecting plate 132 are flush with the ends of the third side and the fourth side both extending toward the outer side of the second side. As an embodiment, a first roller 16 is provided at the bottom of the extended end of the third side and the fourth side. Through the extension, on the one hand, the force arm between the user and the first roller 16 is increased when the user holds the handle (not shown in the figure), making it more convenient to push the brush head. On the other hand, it can prevent hair, yarn balls, dust, paper scraps and other dirt from leaking from the far ends of the first dust collecting plate 131 and the second dust collecting plate 132.

[0031] A third dust collecting plate 133 and a fourth dust collecting plate 134 are provided between the first side portion and the second side portion, and the third dust collecting plate 133 and the fourth dust collecting plate 134 extend vertically upward from the bottom of the body 11 and are symmetrical on the vertical projection plane, and a second air intake port 15 is formed between the opposite ends of the third dust collecting plate 133 and the fourth dust collecting plate 134, and a brush mounting groove 17 is defined between the third dust collecting plate 133, the fourth dust collecting plate 134 and the second side portion, and a motor mounting portion 18 is defined between the third dust collecting plate 133, the fourth dust collecting plate 134 and the first side portion. As an embodiment, the opposite ends of the third dust collecting plate 133 and the fourth dust collecting plate 134 extend toward the first side portion and are connected to the first side portion. As a preferred embodiment, the opposite ends of the third dust collecting plate 133 and the fourth dust collecting plate 134 extend toward the first side portion in an arc shape and are connected to the first side portion, and this shape setting will effectively reduce the friction of dirt entering the second air intake port 15. As an embodiment, the motor mounting portion 18 can be a bracket with a groove matching the motor shape. As a preferred embodiment, the end away from the third dust collecting plate 133 extends toward the second side portion and is connected to the inner side of the extended end of the third side portion and the inner side of the second side portion to form a transmission mechanism mounting groove 182. A plurality of second positioning columns 136 are provided at the bottom of the body 11 between the third dust collecting plate 133, the fourth dust collecting plate 134 and the first side portion.

[0032] The first connecting portion 12 is arranged on the outer side of the first side of the body 11, that is, on the side away from the second side. The first connecting portion 12 has a first bottom 121 and first connecting arms 122 and 123 respectively arranged on both sides of the first bottom 121, and the first connecting arm extends a second roller shaft 124 toward the third side and the fourth side. The second roller 1241 is installed on the base 10 through the second roller shaft 124. An air pipe connecting portion 125 is sleeved between the first connecting arms 122 and 123. The air pipe connecting portion 125 can be externally connected to an air pipe leading to a vacuum cleaner (not shown in the figure).

[0033] The motor and brush of the utility model are driven by a belt. As a preferred embodiment of the utility model, a transmission mechanism installation sleeve 181 is provided outside the motor, brush and belt, and the transmission mechanism installation sleeve 181 matches the transmission mechanism installation groove 182. This arrangement makes it easy for users to disassemble the brush for replacement or cleaning and install it according to the shape of the transmission mechanism installation sleeve 181. On the other hand, it can prevent dirt such as dust on the ground from contacting the motor shaft and reducing the service life of the motor.

[0034] See also Figure 6-Figure 7The vacuum brush head of the utility model further includes a front cover 20, a middle cover 30 and a rear cover 40 which are covered on the base 10. The middle cover 30 is covered above the brush mounting slot 17, and a pair of first support arms 31 and 32 are extended upward from the middle of the middle cover 30, and the first support arms 31 and 32 are respectively abutted against the opposite ends of the first dust collecting plate 131 and the second dust collecting plate 132 in the direction of the second side portion, and the first support arms 31 and 32 are respectively extended in the direction of the first side portion to the opposite ends of the third dust collecting plate 133 and the fourth dust collecting plate 134 to form an arc-shaped extension above the first side portion, and the middle cover 30 extends an air duct connection portion 63 from a side close to the first side portion, between the first support arms 31 and 32, in the direction of the base 10. An air duct connection port 630 is provided at one end of the air duct connection portion 63 close to the first side portion. The above structure of the middle cover 30 and each dust collecting plate constitutes the bottom of the first air duct 61 connected to the first air intake port 14, and due to the structure of the first support arms 31, 32 and the third dust collecting plates 133 and the fourth dust collecting plates 134, a part of the second air duct 62 connected to the second air intake port 15 is formed, and the air duct connecting port 630 is connected to the second air duct 62. As a preferred embodiment, Figure 2 , 3 As shown, the angle α between the air duct connection portion 63 and the horizontal plane ranges from 20° to 60°. Since the middle cover covers the brush, that is, the middle cover forms a semi-cylindrical shape, the first support arms 31, 32 and the above-mentioned structure of each dust collecting plate constitute the bottom of the first air duct 61, and it can be seen that the first air duct 61 forms an arc shape. The air duct connection portion 63 extends obliquely toward the first side portion and the base 10, and finally forms a connection with the second air duct 62 at the air duct connection portion 63. This oblique extension greatly reduces the wind resistance and the friction between the hair, yarn balls, dust, paper pieces and other dirt and the first air duct within the above-mentioned angle range. A third positioning column 33 is vertically extended from the first support arms 31, 32 toward the third side portion and the fourth side portion.

[0035] The front cover 20 is integrally formed, and includes a front cover plate 21, a first extension portion 22 and a first air duct interface 23. The front cover plate 21 is covered on the outer sides of the first dust collecting plate 131 and the second dust collecting plate 132. The front cover plate 21 vertically extends toward the base 10 with a first positioning cylinder 215 matching the first positioning column 135. The first extension portion 22 extends from the front cover plate 21 toward the first side portion and is covered above the first support arms 31 and 32. The first extension portion 22 vertically extends toward the base 10 with a third positioning cylinder 223 matching the third positioning column 33. The first air duct interface 23 is preferably a cylinder without a bottom surface. The first air duct interface 23 extends from the first extension portion 22 toward one end of the first side portion toward the first side portion, and one end of the first air duct interface 23 toward the second side portion abuts against one end of the first support arms 31 and 32 toward the first side portion. The structure and position of the front cover 20 and the middle cover 30 constitute the connection between the first air duct 61 and the second air duct 62 .

[0036] The rear cover 40 includes a cover body 41, a second extension portion 42, and second connecting arms 432, 433. The rear cover 40 is partially covered above the first extension portion 22 of the front cover 20. Specifically, the cover body 41 extends the second extension portion 42 in the direction of the second side portion, and the second extension portion 42 and the cover body 41 wrap the third side portion and the fourth side portion in the direction of the third side portion and the fourth side portion. The cover body 41 abuts against the middle part of the middle cover 30 in the direction of the second side portion, and covers the first extension portion 22 and the first air duct interface 23 of the front cover 20. The cover body 41 extends the second connecting arms 432, 433 in the direction of the first side portion, and the second connecting arms 432, 433 match the first connecting arms 122, 123. The cover body 41 extends a plurality of second positioning cylinders 416 matching the second positioning columns 136 in the direction toward the base 10.

[0037] The utility model uses a combined assembly structure of a front cover 20, a middle cover 30 and a rear cover 40 that are covered on the base 10. On the one hand, it realizes the disassembly and assembly of the vacuum brush head, which is more convenient than the prior art to assemble the functional components after the one-piece upper cover is assembled, and the inconvenience of forgetting the installation position is easy to occur. At the same time, on the other hand, the structure of the front cover 20 and the middle cover 30 realizes the structure in which the first air duct 61 and the second air duct 62 connect to the main air duct 60.

[0038] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A vacuum brush head structure, comprising a base, the base comprising a body having a first side portion, a second side portion, a third side portion and a fourth side portion, the first side portion and the second side portion are arranged opposite to each other, the first side portion and the second side portion are provided with a third side portion and a fourth side portion opposite to each other, the first side portion is provided with a first connecting portion, the first connecting portion is used to install an air suction pipe leading to a vacuum cleaner, characterized in that: The second side portion is provided with a first dust collecting plate and a second dust collecting plate which are oppositely arranged and extend outward, the first dust collecting plate and the second dust collecting plate are symmetrical on a horizontal projection plane, a first air intake port is formed between opposite ends of the first dust collecting plate and the second dust collecting plate, and the first air intake port is connected to the first air duct; A third dust collecting plate and a fourth dust collecting plate are provided between the first side portion and the second side portion, the third dust collecting plate and the fourth dust collecting plate extend vertically upward from the bottom of the body and are symmetrical on the vertical projection plane, a second air intake port is formed between the opposite ends of the third dust collecting plate and the fourth dust collecting plate, and the second air intake port is connected to the second air duct; The base is covered with a front cover, a middle cover and a rear cover, the middle cover is covered above the third dust collecting plate and the fourth dust collecting plate, a pair of first support arms extend upward from the middle of the middle cover, and the middle cover extends an air duct connecting portion from a side close to the first side portion, between the first support arms, toward the base, and the air duct connecting port is connected to the second air duct.

2. The vacuum brush head structure according to claim 1, characterized in that: The angle formed by the air duct connection portion and the horizontal plane is 20° to 60°.

3. The vacuum brush head structure according to claim 1, characterized in that: The opposite ends of the first dust collecting plate and the second dust collecting plate are different in height relative to the distal ends.

4. The vacuum brush head structure according to claim 1, characterized in that: The opposite ends of the third dust collecting plate and the fourth dust collecting plate extend toward the first side portion in an arc shape and are connected to the first side portion.

5. The vacuum brush head structure according to claim 1, characterized in that: The distal end of the third dust collecting plate extends toward the second side portion and is connected to the inner side of the extended end of the third side portion and the inner side of the second side portion.

6. The vacuum brush head structure according to claim 1, characterized in that: The front cover includes a front cover plate, a first extension portion and a first air duct interface. The front cover plate is covered on the outer sides of the first dust collecting plate and the second dust collecting plate. The first extension portion extends from the front cover plate toward the first side portion and is covered above the first support arm. The first air duct interface extends from the first extension portion toward one end of the first side portion toward the first side portion.

7. The vacuum brush head structure according to claim 1, characterized in that: The back cover includes a cover body and a second extension portion, wherein the cover body extends the second extension portion toward the second side portion, and the second extension portion and the cover body wrap the third side portion and the fourth side portion in the direction of the third side portion and the fourth side portion.

8. The vacuum brush head structure according to claim 7, characterized in that: The cover body abuts against the middle portion of the middle cover in the second side direction.

9. The vacuum brush head structure according to claim 7, characterized in that: A second connecting arm extends from the cover body in the direction of the first side portion, and the second connecting arm matches the first connecting portion.

10. A vacuum cleaner, characterized in that: It comprises a dust collection brush head having the dust collection brush head structure according to any one of claims 1 to 9, wherein the dust collection component of the vacuum cleaner is connected to the dust collection brush head via a hard and / or soft suction duct.

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