CN218606353U

CN218606353U - Hair blocking structure and desktop dust collector applying same

Info

Publication number: CN218606353U
Application number: CN202222461198.6U
Authority: CN
Inventors: 郑高伟; 陈建旺; 叶仁龙
Original assignee: Ningbo Tiantian Stationery Co ltd
Current assignee: Ningbo Tiantian Stationery Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-14
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a hair blocks structure, include: an upper housing; a fan blade rotatably mounted on the upper housing about its axis; the clamping ring is fixedly mounted on the upper shell and concentrically arranged with the fan blade, and the clamping ring is matched with the fan blade to seal a gap between the fan blade and the upper shell. The utility model provides another kind of hair blocks structure and has the desktop dust catcher of any one kind of hair in above-mentioned two kinds. The utility model provides a hair blocks structure, it is through addding the clamping ring, and the clamping ring is used for the clearance between sealed fan leaf and the last casing, avoids long thin rubbish to enter into winding motor shaft in this clearance.

Description

Hair blocking structure and desktop dust collector applying same

Technical Field

The utility model relates to a desktop dust catcher technical field, more specifically say, relate to a hair blocks structure to and have this hair and block the desktop dust catcher of structure.

Background

Conventional table tops or countertops inevitably accumulate dust or debris and require a portable table top vacuum cleaner for cleaning at any time. The principle of the desktop dust collector is that a motor drives an internal fan blade to rotate to generate suction from bottom to top. A filtering baffle disc with a filter screen is arranged in the dust collector and is used for trapping dust or debris entrained in the airflow into the table-top dust collector.

When the traditional desktop dust collector is used, long and thin garbage such as hair and thread ends is sucked frequently, the long and thin garbage can easily enter the bottom of the fan blade to wind the motor shaft, working current is increased, energy consumption is increased, and the motor is seriously blocked, so that the function of the whole machine is invalid.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a hair blocks structure, it is through addding the clamping ring, and the clamping ring is used for the clearance between sealed fan leaf and the last casing, avoids long thin rubbish to enter into winding motor shaft in this clearance.

The utility model provides another kind of hair blocks structure.

The utility model also provides a desktop dust catcher that has either of the above-mentioned two kinds of hair and blocks the structure.

The utility model adopts the technical proposal that: providing a hair barrier structure comprising:

an upper housing;

a fan blade rotatably mounted on the upper case about its axis;

the clamping ring is fixedly mounted on the upper shell and concentrically arranged with the fan blade, and the clamping ring is matched with the fan blade to seal a gap between the fan blade and the upper shell.

Compared with the prior art, the technical scheme has the advantages that: the utility model discloses well hair blocks structure, through addding the clamping ring in the periphery of fan leaf, the clamping ring can be around its self rotation and when rotating for last casing at the fan leaf, can dynamic seal fan leaf and last casing between the clearance, avoid rotating the in-process air current that forms the air current at the fan leaf and wrap up in the long and thin rubbish of holding between the arms and enter into the motor shaft position through this clearance, cause the winding emergence of motor shaft.

According to the utility model discloses an embodiment, the clamping ring internal diameter has the circumference sealed limit that extends the formation towards the central direction.

According to one embodiment of the invention, the outer edge of the fan blade is formed with a flange adapted to the circumferential sealing edge; the flange and the circumferential sealing edge are arranged to reduce the bonding gap between the fan blade and the compression ring.

According to an embodiment of the present invention, the circumferential sealing edge is a continuous ring structure or a brush-like structure uniformly arranged in the circumferential direction; the arrangement is used for preventing long and thin garbage from entering a gap between the sealing fan blade and the upper shell.

According to the utility model discloses an embodiment, the clamping ring main part is adjacent towards along its axial the last casing direction extension is formed with the round and supports the main part, support the main part and be used for being connected with last casing.

According to the utility model discloses an embodiment, have the cooperation portion that is used for with the motor shaft hookup on the fan leaf, cooperation portion is kept away from along the axial by the fan leaf body go up the casing direction and extend and form.

A hair barrier structure comprising:

an upper housing;

a filter baffle disc detachably mounted on the upper housing;

a fan blade rotatably mounted on the upper case about its axis;

the clamping ring is fixedly installed on the filtering baffle disc and concentrically arranged with the fan blades, and the clamping ring is matched with the fan blades to seal the gaps between the fan blades and the upper shell.

According to the utility model discloses an embodiment, the clamping ring with go up casing surface and offset.

According to the utility model discloses an embodiment, the clamping ring is made by rubber materials.

A desktop dust collector comprises a lower shell and any one of the hair blocking structures, wherein the lower shell is detachably connected with the upper shell.

Drawings

FIG. 1 is a partial structure view of a tabletop dust collector in the embodiment of the utility model;

FIG. 2 is a partial exploded view of the tabletop vacuum cleaner in an embodiment of the present invention;

FIG. 3 is a schematic view of the connection between the fan blade and the compression ring according to the embodiment of the present invention;

FIG. 4 is a cross-sectional view of the fan blade and the compression ring according to the embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a perspective view of a fan blade according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of a fan blade according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a pressure ring in an embodiment of the present invention;

fig. 9 is a sectional view of the pressure ring according to the embodiment of the present invention;

FIG. 10 is an enlarged view of a portion of FIG. 9 at B;

FIG. 11 is an exploded view of the tabletop cleaner in an embodiment of the present invention;

fig. 12 is a perspective view of the tabletop dust collector in the embodiment of the present invention.

The reference numbers in the figures illustrate:

1. an upper housing; 2. a fan blade; 3. pressing a ring; 4. a motor shaft; 5. a lower housing; 6. a filtering baffle disc;

21. a flange; 22. a fitting portion;

31. a circumferential sealing edge; 32. the main body is supported.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 and 2, there is provided a hair blocking structure for a table top cleaner, including:

an upper case 1;

a fan blade 2 rotatably mounted on the upper case 1 about its own axis;

clamping ring 3, its fixed mounting go up on the casing 1 and with fan leaf 2 is concentric setting, clamping ring 3 with fan leaf 2 cooperation is sealed fan leaf 2 with go up the clearance between the casing 1.

Referring to fig. 2, in the present embodiment, a motor is mounted on the upper housing 1, and a motor driving end, i.e., a motor shaft 4, penetrates the upper housing 1 and protrudes out of the top surface of the upper housing 1. The fan blade 2 is used for coupling with a protruding portion of the motor shaft 4, and the motor drives the fan blade 2 to rotate around the axis of the fan blade 2 relative to the upper housing 1. In order to avoid the interference of the movement between the fan blades 2 and the upper casing 1, there is a gap between the upper casing 1 and the fan blades 2, and long and thin garbage easily enters from the gap and winds around the motor shaft 4.

Specifically, as shown in fig. 3 to 5, the inner diameter of the compression ring 3 has a circumferential sealing edge 31 extending toward the center, and the outer edge of the fan blade 2 is formed with a flange 21 adapted to the circumferential sealing edge 31.

Further, the outer edge of the fan blade 2 is bent toward the side adjacent to the upper casing 1 along the axial direction thereof to form a flange 21, and the inner diameter of the pressing ring 3 has a circumferential sealing edge 31 fitted to the flange 21.

Further, as shown in fig. 7 and 8, the pressing ring 3 is fixedly mounted on the top surface of the upper case 1 and is disposed concentrically with the fan blades 2. The inner ring of the press ring 3 extends inward to form a circumferential sealing edge 31 which abuts against the surface of the flange 21 of the fan blade 2 and seals the gap between the fan blade 2 and the upper casing 1.

Further, in the present embodiment, the gap between the fan blade 2 and the upper housing 1 is sealed to prevent the entry of long and thin garbage, and the press ring 3 is sealed in cooperation with the fan blade 2 to allow air to flow in and out of the gap.

Specifically, the circumferential sealing edge 31 is of a continuous annular structure or a brush-shaped structure uniformly arranged in the circumferential direction.

Further, in the present embodiment, the circumferential sealing edge 31 is a continuous annular structure, and is made of an elastic rubber material. The bottom edge of the circumferential sealing edge 31 abuts against the surface of the flange 21.

Further, in another embodiment, the inner periphery of the press ring 3 is flocked to form a ring of brush-like structure, and the free end of the brush-like structure abuts on the surface of the flange 21.

Specifically, as shown in fig. 9 and 10, the main body of the pressure ring 3 is formed with a ring of support bodies 32 extending in the axial direction of the main body toward the direction adjacent to the upper casing 1, and the support bodies 32 are used for being connected with the upper casing 1.

Further, in the present embodiment, since the fan blade 2 is mounted on the motor shaft 4, the height of the fan blade 2 in the axial direction is higher than the top surface of the upper housing 1. The support body 32 is provided, on the one hand, to compensate for the height difference between the circumferential sealing edge 31 and the flange 21 and, on the other hand, to seal the gap between the fan blade 2 and the upper housing 1 in the circumferential direction.

Specifically, as shown in fig. 7, the central position of the fan blade 2 has a fitting portion 22 for coupling with the motor shaft 4, and the fitting portion 22 is formed by extending the body of the fan blade 2 in the axial direction away from the upper case 1.

In another embodiment, a hair-blocking structure is disclosed, comprising:

an upper case 1;

a filter baffle disc 6 detachably mounted on the upper case 1;

a fan blade 2 rotatably mounted on the upper case 1 about its own axis;

clamping ring 3, its fixed mounting filter and keep off 6 on the dish and with fan leaf 2 is concentric setting, clamping ring 3 with fan leaf 2 cooperation is sealed fan leaf 2 with go up the clearance between the casing 1.

In contrast to this embodiment, the pressure ring 3 in the further embodiment is directly fixedly mounted on the filter baffle disc 6. The compression ring 3 is abutted on the top surface of the upper case 1 by the connection of the filter baffle disc 6 with the upper case 1 to seal the gap between the compression ring 3 and the fan blades 2.

Specifically, in another embodiment, the press ring 3 abuts against the surface of the upper housing 1.

In particular, in another embodiment, the pressure ring 3 is made of a rubber material.

In another embodiment, shown in fig. 11 and 12, a table top vacuum cleaner is disclosed, comprising a lower housing 5 and the hair blocking structure of the present embodiment, wherein the lower housing 5 is detachably connected with the upper housing 1.

Further, the desktop dust collector further comprises a filtering baffle disc 6, the lower shell 5 and the filtering baffle disc 6 are detachably connected with the upper shell 1, and the filtering baffle disc 6 is located in a dust collection cavity formed by connecting the upper shell 1 and the lower shell 5.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A hair barrier structure, comprising:

an upper case (1);

a fan blade (2) rotatably mounted on the upper casing (1) about its own axis;

clamping ring (3), its fixed mounting go up on casing (1) and with fan leaf (2) are concentric setting, clamping ring (3) with fan leaf (2) cooperation is sealed fan leaf (2) with go up the clearance between casing (1).

2. A hair barrier construction according to claim 1, wherein: the inner diameter of the pressing ring (3) is provided with a circumferential sealing edge (31) formed by extending towards the center direction.

3. A hair barrier construction according to claim 2, wherein: the outer edge of the fan blade (2) is formed with a flange (21) which is adapted to the circumferential sealing edge (31).

4. A hair-blocking structure according to claim 3, characterized in that: the circumferential sealing edge (31) is of a continuous annular structure or a brush-shaped structure which is uniformly arranged in the circumferential direction.

5. A hair barrier construction according to claim 3, wherein: the compression ring (3) main body extends towards the direction adjacent to the upper shell (1) along the axial direction of the compression ring main body to form a circle of supporting main body (32), and the supporting main body (32) is used for being connected with the upper shell (1).

6. A hair barrier construction according to claim 3, wherein: the fan blade (2) is provided with a matching part (22) used for being connected with the motor shaft (4), and the matching part (22) is formed by extending the body of the fan blade (2) in the axial direction towards the direction far away from the upper shell (1).

7. A hair barrier structure, comprising:

an upper case (1);

a filter baffle disc (6) detachably mounted on the upper housing (1);

a fan blade (2) rotatably mounted on the upper casing (1) about its own axis;

clamping ring (3), its fixed mounting filter keep off on dish (6) and with fan leaf (2) are concentric setting, clamping ring (3) with fan leaf (2) cooperation is sealed fan leaf (2) with go up the clearance between casing (1).

8. A hair barrier construction according to claim 7, wherein: the pressing ring (3) is abutted to the surface of the upper shell (1).

9. A hair barrier construction according to claim 7, wherein: the pressing ring (3) is made of rubber materials.

10. A desktop dust catcher which characterized in that: comprising a lower housing (5) and a hair-blocking structure according to any of claims 1 to 9, said lower housing (5) being detachably connected to the upper housing (1).