CN211722989U - Filter screen cylinder - Google Patents

Abstract

The utility model discloses a filter screen cylinder, include: the inner part of the hollow net barrel main body is provided with a plurality of meshes for filtering dust on the circumferential wall surface; the ash scraping wool tops are positioned in the hollow cavity of the net cylinder main body and are distributed along the axial direction of the net cylinder main body; the ash scraping wool tops are provided with ash cleaning parts, and the ash cleaning parts abut against the inner wall of the net cylinder main body for cleaning ash through meshes. The filter screen cylinder can realize mesh self-cleaning, can effectively avoid mesh blockage, and has the advantages of simple structure and convenient use.

Description

a filter cartridge

technical field

The utility model relates to the technical field of vacuum cleaners, in particular to a filter mesh cylinder for vacuum cleaners.

Background technique

Vacuum cleaner is a kind of cleaning equipment commonly used in households or public places. Its working principle is to use a motor to generate air negative pressure in a sealed housing, and under the action of this pressure difference, it inhales dusty air. The core component of the vacuum cleaner is the dust and gas separation device, which is used to isolate and concentrate the dust or sundries in the air. There is a filter cartridge inside the dust-gas separation device, and the existing filter cartridge has the following defects: because the mesh on the filter cartridge is small, it is easy to be blocked by dust, so it needs to be cleaned frequently, which is relatively cumbersome; if it is not carried out in time After cleaning, after the dust blocks the mesh holes, the dust removal efficiency of the filter cartridge will be greatly reduced; in severe cases, it will cause resistance to the airflow, resulting in poor air flow and even damage to the vacuum cleaner motor. Therefore, it is necessary to study a filter cartridge.

Utility model content

Aiming at the deficiencies in the above technologies, the present invention provides a filter net cartridge capable of self-cleaning.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a filter mesh cylinder, comprising: a mesh cylinder main body which is hollow inside, a plurality of mesh holes for filtering dust are formed on the circumferential wall surface; Dust scraping tops in the hollow cavity of the mesh cylinder and distributed along the axial direction of the main body of the mesh cylinder; wherein, the dust scraping strips have a dust cleaning part, and the dust cleaning part abuts against the inner wall of the mesh cylinder main body for the purpose of Mesh cleaning.

Preferably, it also includes a rotatable knob sealingly disposed on one end of the main body of the mesh cylinder and detachably connected to the dust scraping top.

Preferably, the ash scraping top comprises a base column distributed along the axial direction of the main body of the mesh cylinder, and the soot cleaning part disposed on the base column and distributed toward the mesh hole, wherein the base column is A connector is provided on one end of the knob close to the knob.

Preferably, the connecting head includes a connecting column fixedly arranged on one end of the base column, an installation plane parallel to its axis is formed on the outer circumferential wall of the connecting column, and a clamping block is arranged on the installation plane, Wherein, a hole post for inserting the connecting post is formed on the knob, and the hole wall of the hole post is provided with a clamping slot for the clamping block to be inserted into.

Preferably, a bracket for supporting the dust-shaving top is arranged on the other end of the main body of the mesh cylinder, wherein a pivot short shaft is arranged on the other end of the base column close to the bracket, and the pivot The stub shaft is pivotally connected with the bracket.

Preferably, the knob is sealed on one end of the main body of the mesh cylinder through a sealing ring.

Preferably, an annular groove for accommodating the sealing ring is formed on the knob, wherein the annular groove is distributed along the circumference of the knob.

Preferably, the knob is further formed with a grip portion that is convenient for rotating the knob.

Preferably, the main body of the mesh cylinder is laterally arranged in the dust cup, wherein a mounting hole for the main body of the mesh cylinder to pass through is defined on the outer circumferential wall of the dust cup.

Preferably, a stepped portion is formed on the mounting hole, and a flange is placed on the outer circumferential wall of one end of the main body of the mesh cylinder to enhance the sealing effect.

Compared with the prior art, the utility model has the beneficial effects that: the filter net cylinder provided by the utility model, by setting the ash scraping strip in the main body of the mesh cylinder, when the knob is manually rotated, the ash cleaning part of the ash scraping strip scrapes Sweeping the inner wall of the main body of the mesh cylinder can remove the dust accumulated on the mesh holes and realize self-cleaning, thereby effectively avoiding the blockage of the mesh holes and realizing the purpose of cleaning the main body of the mesh cylinder without dirty hands. It has a simple structure and is easy to use. The advantages;

The base column is connected with the knob through the connector, which has the advantages of reliable connection and convenient disassembly and assembly;

The ash scraping top is supported in the hollow cavity of the main body of the mesh cylinder through the knob and the bracket, and has the advantages of stable and reliable connection;

The knob is sealed and arranged on the main body of the mesh cylinder through a sealing ring, which has the advantages of reliable sealing and good sealing effect.

Description of drawings

Fig. 1 is one of the structural representations of the filter screen cylinder of the present invention;

Fig. 2 is the second structural representation of the filter mesh cylinder of the present invention;

3 is a schematic diagram of the exploded structure of the filter mesh cylinder of the present invention;

Fig. 4 is the structural representation of the ash scraping top of the present utility model;

Fig. 5 is one of the structural representations of the knob of the present invention;

Fig. 6 is the second structural representation of the knob of the present invention;

Fig. 7 is one of the structural schematic diagrams between the filter mesh cylinder and the dust cup of the present invention;

Figure 8 is the second schematic diagram of the structure between the filter cartridge and the dust cup according to the present invention;

Fig. 9 is the sectional structure schematic diagram of the dust cup of the present invention;

Fig. 10 is the enlarged structure schematic diagram of A area in Fig. 9;

11 is a schematic cross-sectional view of the filter cartridge of the present invention after being installed in the dust cup;

FIG. 12 is an enlarged schematic view of the structure of the B region in FIG. 11 .

In the figure: 10, the main body of the mesh cylinder; 11, the bracket; 111, the outrigger; 12, the flange; 13, the limit part; 131, the pressing piece; 132, the limit block; ; 22, ash cleaning part; 23, connecting head; 231, connecting column; 232, installation plane; 233, clamping block; 234, slender slot; 24, pivot short shaft; 30, knob; 31, hole column; 311 32, annular groove; 33, holding part; 40, sealing ring; 50, dust cup; 51, mounting hole; 511, step part; 52, block; 53, air inlet.

Detailed ways

The present utility model will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can refer to the text of the description to implement it accordingly.

As shown in FIGS. 1 to 6 , the present invention provides a filter mesh cylinder, comprising: a mesh cylinder main body 10 that is open at opposite ends and has a hollow interior, and a plurality of mesh holes for filtering dust are formed on its circumferential wall. , the main body 10 of the mesh cylinder is cylindrical; it is located in the hollow cavity of the main body of the mesh cylinder 10 and is distributed along the axial direction of the main body of the mesh cylinder 10. A rotatable knob 30 to which the grey top strip 20 is detachably connected; wherein, the dust scraping strip 20 has a dust cleaning part 22, and the dust cleaning part 22 abuts against the inner wall of the mesh cylinder main body 10 for mesh cleaning, and when in use, manually rotate The knob 30 makes the dust-scraping top 20 drive the dust-cleaning part 22 to rotate, and the dust-cleaning part 22 can remove the dust accumulated on the mesh hole when rotating, so as to realize self-cleaning, thereby effectively avoiding the mesh hole blockage and achieving no dirt. The purpose of cleaning the main body 10 of the net cylinder by hand has the advantages of simple structure and convenient use.

As an example of this solution, as shown in FIG. 3 and FIG. 4 , the ash scraping top 20 includes a base column 21 distributed along the axial direction of the mesh cylinder main body 10 , and a cleaning ash disposed on the base column 21 and distributed toward the mesh holes. Part 22, wherein the base post 21 is coaxially arranged with the main body 10 of the mesh cylinder, and a connecting head 23 is provided on one end of the base post 21 close to the knob 30, through which the detachable connection with the knob 30 can be realized.

As an example of this solution, as shown in FIGS. 4 and 5 , the connecting head 23 includes a connecting column 231 fixedly arranged on one end of the base column 21 , and an installation parallel to its axis is formed on the outer circumferential wall of the connecting column 231 . On the plane 232, a clamping block 233 is provided on the installation plane 232. The knob 30 is formed with a hole column 31 for inserting the connecting column 231. The hole wall of the hole column 31 is provided with a clamping slot 311 for the clamping block 233 to be inserted into. .

As an example of this solution, as shown in FIG. 4 , an elongated groove 234 that can make the installation plane 232 cantilevered is formed at the junction between the installation plane 232 and the outer circumferential wall of the connecting column 231 , and the elongated groove 234 can make The installation plane 232 has good elastic deformation so that the clamping block 233 can be smoothly inserted into the clamping slot 311 , which has the advantage of convenient installation.

As an example of this solution, as shown in FIG. 3 , a bracket 11 for supporting the ash scraping top 20 is provided on the other end of the main body 10 of the mesh cylinder, wherein the other end of the base post 21 close to the bracket 11 is provided with a bracket 11 . The short shaft 24 is pivotally connected, and the short shaft 24 is pivotally connected with the bracket 11. In this solution, the dust scraping top 20 is supported in the hollow cavity of the main body 10 of the mesh cylinder through the knob 30 and the bracket 11, which has the advantages of stable and reliable connection; the bracket 11 includes a sleeve coaxial with the main body 10 of the mesh cylinder, the outer circumferential wall of the sleeve is provided with a plurality of legs 111 at equal intervals, the legs 111 are distributed along the radial direction of the main body 10 of the mesh cylinder, and one end of the legs 111 is fixed on the The sleeve and the opposite end are fixed on the inner wall of the mesh cylinder body 10 , the number of legs 111 is preferably three, and the area between adjacent legs 111 is the air outlet of the mesh cylinder body 10 .

As an example of this solution, as shown in FIGS. 3 and 4 , the cleaning part 22 is a hard nylon bristles. On the one hand, the hard nylon bristles are used because the hard nylon bristles themselves have strong cleaning ability, and on the other hand, the hard nylon bristles are used. On the one hand, it is because the hard nylon bristles themselves are also easy to clean.

As an embodiment of this solution, as shown in FIGS. 1 and 3 , the knob 30 is sealed on one end of the mesh cylinder body 10 through a sealing ring 40 , and the other end of the mesh cylinder body 10 is an air outlet port.

As an example of this solution, as shown in FIG. 6 , the knob 30 is formed with an annular groove 32 for accommodating the sealing ring 40 , wherein the annular groove 32 is distributed along the circumferential direction of the knob 30 .

As an embodiment of this solution, as shown in FIG. 6 , the knob 30 is further formed with a grip portion 33 that is convenient for rotating the knob 30 .

As an example of this solution, as shown in FIGS. 7 to 9 , the main body 10 of the mesh cylinder is laterally arranged in the dust cup 50 , wherein a mounting hole for the main body of the mesh cylinder 10 to pass through is provided on the outer circumferential wall of the dust cup 50 . The hole 51, the bottom of the dust cup 50 is provided with an air inlet 53, the air inlet 53 is defined with an X axis distributed along the upper and lower directions, the mesh cylinder main body 10 has a Y axis distributed along the left and right directions, the X axis and the Y axis perpendicular.

As an embodiment of this solution, as shown in FIGS. 7 to 12 , a stepped portion 511 is formed on the mounting hole 51 , and the outer circumferential wall surface of one end of the mesh cylinder main body 10 is provided with a stepped portion 511 for sinking into the stepped portion 511 . The flange 12 to enhance the sealing effect, the flange 12 and the stepped portion 511 realize labyrinth sealing, which has the advantage of good sealing effect; in this solution, the outermost flange 12 is flush with the outer wall of the dust cup 50 .

As an embodiment of this solution, as shown in FIG. 1 , the mesh cylinder main body 10 is further formed with a limiting portion 13 for positioning the mesh cylinder main body 10 in the axial direction. The limiting portion 13 includes a The pressing piece 131 on the peripheral wall surface of the main body 10 and the limiting block 132 fixedly arranged at the end of the pressing piece 131. In this scheme, the pressing piece 131 is a part of the peripheral wall surface of the main body 10 of the mesh cylinder, and a peripheral wall surface of the main body 10 of the mesh cylinder is provided with a In the lateral opening, the pressing piece 131 is cantilevered in the lateral opening so that the pressing piece 131 has better elastic deformation ability, and the inside of the dust cup 50 is also provided with a stopper 52 which is matched with the limiting block 132. .

Although the embodiment of the present invention has been disclosed as above, it is not limited to the application listed in the description and the embodiment, and it can be applied to various fields suitable for the present invention. Additional modifications may readily be effected, therefore, the invention is not limited to the specific details and illustrations herein shown and described without departing from the general concept defined by the claims and the scope of equivalents.

Claims (10)

1. A filter screen cartridge, comprising:

a hollow net cylinder main body (10) inside, wherein a plurality of meshes for filtering dust are formed on the circumferential wall surface of the main body;

ash scraping wool tops (20) which are positioned in the hollow cavity of the net cylinder main body (10) and distributed along the axial direction of the net cylinder main body (10);

the ash scraping wool tops (20) are provided with ash cleaning parts (22), and the ash cleaning parts (22) are abutted against the inner wall of the net cylinder main body (10) for cleaning ash through meshes.

2. The screen cylinder of claim 1, further comprising

And the rotatable knob (30) is hermetically arranged on one end part of the net cylinder main body (10) and is detachably connected with the ash scraping wool top (20).

3. The filter screen cylinder according to claim 2, wherein the ash scraping strip (20) comprises a base column (21) distributed along the axial direction of the screen cylinder main body (10), and the ash cleaning part (22) arranged on the base column (21) and distributed towards the mesh openings, wherein a connecting head (23) is arranged on one end part of the base column (21) close to the knob (30).

4. The filter screen drum according to claim 3, wherein the connector (23) comprises a connecting post (231) fixedly arranged at one end of the base post (21), a mounting plane (232) parallel to the axis of the connecting post is formed on the outer circumferential wall surface of the connecting post (231), a clamping block (233) is arranged on the mounting plane (232), wherein a hole post (31) for the connecting post (231) to be inserted is formed on the knob (30), and a clamping groove (311) for the clamping block (233) to be clamped into is formed on the hole wall of the hole post (31).

5. A filter screen cylinder according to claim 3, characterised in that a bracket (11) for supporting the dust scraping wool tops (20) is arranged at the other end of the screen cylinder main body (10), wherein a pivot stub shaft (24) is arranged at the other end of the base pillar (21) close to the bracket (11), and the pivot stub shaft (24) is pivoted with the bracket (11).

6. A filter screen cartridge according to claim 2, wherein the knob (30) is sealingly arranged on one end of the cartridge body (10) by means of a sealing ring (40).

7. The filter screen cartridge according to claim 6, wherein the knob (30) is formed with annular grooves (32) for receiving the sealing ring (40), wherein the annular grooves (32) are distributed along the circumference of the knob (30).

8. A filter screen cartridge as claimed in claim 2, wherein the knob (30) is further formed with a grip portion (33) to facilitate rotation of the knob (30).

9. The filter screen drum according to claim 1, wherein the screen drum main body (10) is transversely arranged in the dust cup (50), and wherein the outer circumferential wall surface of the dust cup (50) is provided with a mounting hole (51) for the screen drum main body (10) to penetrate through.

10. A filter screen cylinder according to claim 9, wherein the mounting hole (51) is further formed with a step portion (511), and the outer circumferential wall surface of one end of the screen cylinder body (10) is provided with a flange (12) which is sunk into the step portion (511) for enhancing the sealing effect.

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