Noise reduction air duct of dust collector

Abstract

The utility model discloses a noise reduction air duct of a dust collector, and relates to the technical field of dust collectors. The air pipe comprises an air pipe body, one end of the air pipe body is connected with a ventilation and purification assembly, the air pipe body is connected with a silencing assembly, the silencing assembly comprises a connecting ring, the side face of the connecting ring is provided with an arc-shaped inserting hole, a glass fiber silencing sleeve is fixedly arranged in the connecting ring, and the arc-shaped inserting hole is communicated with the arc-shaped inserting hole. The glass fiber silencing sleeve is movably attached to the inner surface of the air pipe body, a connecting groove is formed in one end of the air pipe body, and the connecting ring is movably attached to the inner surface of the connecting groove. The glass fiber silencing sleeve can be replaced after being used for a period of time, ventilation can be purified and filtered through the activated carbon filter plate, and the activated carbon filter plate can be replaced after being used for a period of time.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum cleaners, in particular to a silencing air duct for a vacuum cleaner. Background Art

[0002] A vacuum cleaner uses an electric motor to drive the blades to rotate at high speed, creating negative air pressure in a sealed shell to absorb dust. It is widely used in people's daily lives. In order to reduce the noise of the vacuum cleaner, a silencer air duct is often used for silencer.

[0003] The existing silencer air duct of the vacuum cleaner has a relatively simple noise reduction measure during use, and the sound reduction frequency range is not wide. There is still a problem of high noise during overall use, and the existing silencer air duct cannot filter and purify the ventilation. Utility Model Content

[0004] In order to solve the problem that the noise reduction measures of the silencer air duct of the vacuum cleaner are relatively simple during use, the noise reduction frequency range is not wide, there is still a problem of high noise during overall use, and the existing silencer air duct cannot filter and purify the ventilation; the purpose of the utility model is to provide a silencer air duct for a vacuum cleaner.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a vacuum cleaner silencer air duct, comprising an air duct body, one end of the air duct body is connected to a ventilation and purification component, and the air duct body is connected to a silencer component;

[0006] The silencer assembly includes a connecting ring, a side surface of the connecting ring is provided with an arc-shaped socket, a glass fiber silencer sleeve is fixedly provided inside the connecting ring, the glass fiber silencer sleeve is movably fitted with the inner surface of the air duct body, a connecting groove is provided at one end of the air duct body, the connecting ring is movably fitted with the inner surface of the connecting groove, an arc-shaped groove is provided at one end of the air duct body, an arc-shaped spring is fixedly provided on the inner surface of the arc-shaped groove, two arc-shaped springs are provided, and the arc-shaped springs are symmetrically arranged between the arc-shaped groove and the arc-shaped slider, an arc-shaped slider is fixedly provided at the other end of the arc-spring, an arc-shaped plug-in block is fixedly provided on the side of the arc-shaped slider away from the arc-shaped spring, a circular hole is provided on the side of the arc-shaped slider, the arc-shaped plug-in block movably passes through the connecting groove, and the arc-shaped plug-in block is movably inserted in the arc-shaped socket.

[0007] Preferably, the ventilation and purification component includes a connecting pipe fitting, an activated carbon filter plate is fixedly provided inside the connecting pipe fitting, the cross-sectional shape of the connecting pipe fitting is "T"-shaped, a sealing groove is provided at one end of the air duct body, a sealing ring is fixedly provided on the side of the connecting pipe fitting close to the air duct body, the sealing ring is movably fitted with the inner surface of the sealing groove, the connecting pipe fitting is movably fitted with one end of the air duct body, a connecting block is fixedly provided on the outer surface of the connecting pipe fitting, a square groove is provided on the side of the connecting block, a spring is fixedly provided on the inner surface of the square groove, a plurality of springs are provided, and the spring array is distributed between the square groove and the square block, a square block is fixedly provided on the other end of the spring, a sleeve is fixedly provided on the outer surface of the air duct body, a square through hole is provided on the side of the sleeve, a limiting groove is provided on the inner surface of the square groove, a limiting block is slidably provided in the limiting groove, the limiting block is fixedly connected to the square block, the connecting block is movably fitted with the inner surface of the sleeve, and the square block is movably inserted in the square through hole.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. The utility model can improve the noise reduction of the air duct body during use through the glass fiber silencer sleeve, and the glass fiber silencer sleeve can be replaced after being used for a period of time.

[0010] 2. The utility model can purify and filter ventilation through the activated carbon filter plate, and the activated carbon filter plate can be replaced after being used for a period of time. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the structure of the ventilation and purification component of the utility model.

[0014] Figure 3 This is a schematic diagram of the sleeve structure of the utility model.

[0015] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0016] Figure 5This is a schematic diagram of the structure of the silencer component of the utility model.

[0017] Figure 6 For this utility model Figure 5 Enlarged structural diagram at B in the middle.

[0018] In the figure: 1. duct body; 2. ventilation and purification component; 21. connecting pipe fittings; 22. activated carbon filter plate; 23. connecting block; 24. square groove; 25. spring; 26. square block; 27. limit groove; 28. limit block; 29. ​​sleeve; 291. square through hole; 4. sealing ring; 41. sealing groove; 5. silencer component; 51. connecting ring; 511. arc-shaped socket; 52. glass fiber silencer sleeve; 53. arc-shaped groove; 54. arc-shaped spring; 55. arc-shaped slider; 56. round hole; 57. arc-shaped plug block; 58. connecting groove. DETAILED DESCRIPTION

[0019] 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 in 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.

[0020] Example: Figure 1-6 As shown, the utility model provides a vacuum cleaner silencer air duct, including an air duct body 1, one end of the air duct body 1 is connected to a ventilation purification component 2, the air duct body 1 is detachably connected to the vacuum cleaner, which belongs to the prior art, so there is no excessive description, and the air duct body 1 is connected to a silencer component 5;

[0021] The silencer assembly 5 includes a connecting ring 51, a side of the connecting ring 51 is provided with an arc-shaped plug hole 511, a glass fiber silencer sleeve 52 is fixedly provided inside the connecting ring 51, and the glass fiber silencer sleeve 52 is movably fitted with the inner surface of the air duct body 1, one end of the air duct body 1 is provided with a connecting groove 58, the connecting ring 51 is movably fitted with the inner surface of the connecting groove 58, one end of the air duct body 1 is provided with an arc-shaped groove 53, the inner surface of the arc-shaped groove 53 is fixedly provided with an arc spring 54, the other end of the arc spring 54 is fixedly provided with an arc slider 55, and the side of the arc slider 55 away from the arc spring 54 is fixedly provided with an arc plug block 57, and the arc plug block 57 is movably fitted with the inner surface of the air duct body 1. The arc-shaped insert block 57 penetrates the connecting groove 58 and is movably inserted into the arc-shaped insert hole 511. After the muffler air duct has been used for a long time, it can be removed from the vacuum cleaner. The square block 26 can be pressed into the inside of the square groove 24, and then the connecting pipe 21 can be pulled sideways, so that the connecting pipe 21 can be separated from the air duct body 1. The connecting block 23 provided on the outer surface of the new connecting pipe 21 with the activated carbon filter plate 22 can be inserted into the sleeve 29, and then the square block 26 is pressed, and the spring 25 is compressed. When the square block 26 and the square through hole 291 are aligned, the square block 26 can be entered into the square through hole 291 by the force of the spring 25, so that a new activated carbon filter plate 22 is replaced;

[0022] There are two arc springs 54 symmetrically arranged between the arc groove 53 and the arc slider 55 , which can improve the stability after connection. A round hole 56 is opened on the side of the arc slider 55 to facilitate pulling the arc slider 55 to move.

[0023] The ventilation purification assembly 2 includes a connecting pipe 21, an activated carbon filter plate 22 is fixedly arranged inside the connecting pipe 21, the cross-sectional shape of the connecting pipe 21 is "T"-shaped, which is convenient for connection, the connecting pipe 21 is movably fitted with one end of the air duct body 1, a connecting block 23 is fixedly arranged on the outer surface of the connecting pipe 21, a square groove 24 is opened on the side of the connecting block 23, and a spring 25 is fixedly arranged on the inner surface of the square groove 24, and a plurality of springs 25 are provided, and the spring 25 array is distributed in the square groove 24. The square block 26 is fixedly provided on the other end of the spring 25, and a sleeve 29 is fixedly provided on the outer surface of the air duct body 1. A square through hole 291 is provided on the side of the sleeve 29. The connecting block 23 is movably fitted with the inner surface of the sleeve 29. The square block 26 is movably inserted into the square through hole 291. The noise reduction of the air duct body 1 during use can be improved by the glass fiber silencer sleeve 52, and the ventilation can be purified and filtered by the activated carbon filter plate 22.

[0024] The inner surface of the square groove 24 is provided with a limiting groove 27, and a limiting block 28 is slidably arranged in the limiting groove 27. The limiting block 28 is fixedly connected to the square block 26 to prevent the square block 26 from escaping from the square groove 24.

[0025] A sealing groove 41 is formed at one end of the air duct body 1, and a sealing ring 4 is fixedly formed on one side of the connecting pipe 21 close to the air duct body 1, and the sealing ring 4 is movably fitted with the inner surface of the sealing groove 41, thereby improving the sealing effect after connection.

[0026] Working principle: When the utility model is in use, the glass fiber silencer sleeve 52 can improve the noise reduction of the air duct body 1 during use, and the activated carbon filter plate 22 can purify and filter the ventilation;

[0027] After the silencer air duct has been used for a long time, it can be removed from the vacuum cleaner by pressing the square block 26 into the inside of the square groove 24, and then pulling the connecting pipe 21 to the side, so that the connecting pipe 21 can be separated from the air duct body 1, and the connecting block 23 provided on the outer surface of the new connecting pipe 21 with the activated carbon filter plate 22 can be inserted into the sleeve 29, and then the square block 26 is pressed, and the spring 25 is compressed. When the square block 26 and the square through hole 291 are aligned, the square block 26 can enter the square through hole 291 through the force of the spring 25, so that a new activated carbon filter plate 22 is replaced;

[0028] The arc-shaped slider 55 can be pulled to move through the circular hole 56, so that the arc-shaped plug block 57 can be disengaged from the connecting groove 58, and then the glass fiber silencer sleeve 52 can be moved to disengage the connecting ring 51 from the connecting groove 58, and a new glass fiber silencer sleeve 52 can be inserted into the air duct body 1, and the connecting ring 51 on the new glass fiber silencer sleeve 52 can be placed into the connecting groove 58. After loosening the circular hole 56, the arc-shaped plug block 57 can be entered into the arc-shaped plug hole 511 through the force of the arc spring 54, so that the glass fiber silencer sleeve 52 can be replaced conveniently.

[0029] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A vacuum cleaner silencer air duct, comprising an air duct body (1), characterized in that: One end of the air duct body (1) is connected to a ventilation and purification component (2), and a silencer component (5) is connected to the air duct body (1); The silencer assembly (5) comprises a connecting ring (51), a side of the connecting ring (51) is provided with an arc-shaped insertion hole (511), a glass fiber silencer sleeve (52) is fixedly provided inside the connecting ring (51), the glass fiber silencer sleeve (52) is movably fitted with the inner surface of the air duct body (1), one end of the air duct body (1) is provided with a connecting groove (58), the connecting ring (51) is movably fitted with the inner surface of the connecting groove (58), and the air duct body (1) is provided with a connecting groove (58). An arc-shaped groove (53) is provided at one end of the body (1); an arc-shaped spring (54) is fixedly provided on the inner surface of the arc-shaped groove (53); an arc-shaped slider (55) is fixedly provided at the other end of the arc-shaped spring (54); an arc-shaped plug-in block (57) is fixedly provided on the side of the arc-shaped slider (55) away from the arc-shaped spring (54); the arc-shaped plug-in block (57) movably passes through the connecting groove (58); and the arc-shaped plug-in block (57) is movably inserted into the arc-shaped plug hole (511).

2. A vacuum cleaner silencer air duct as claimed in claim 1, characterized in that: The ventilation purification component (2) comprises a connecting pipe (21), an activated carbon filter plate (22) is fixedly provided inside the connecting pipe (21), the connecting pipe (21) is movably fitted with one end of the air duct body (1), a connecting block (23) is fixedly provided on the outer surface of the connecting pipe (21), a square groove (24) is provided on the side of the connecting block (23), a spring (25) is fixedly provided on the inner surface of the square groove (24), a square block (26) is fixedly provided on the other end of the spring (25), a sleeve (29) is fixedly provided on the outer surface of the air duct body (1), a square through hole (291) is provided on the side of the sleeve (29), the connecting block (23) is movably fitted with the inner surface of the sleeve (29), and the square block (26) is movably inserted into the square through hole (291).

3. The silencing air duct for a vacuum cleaner according to claim 1, characterized in that: Two arc springs (54) are provided, and the arc springs (54) are symmetrically arranged between the arc groove (53) and the arc slide block (55).

4. The silencing air duct for a vacuum cleaner according to claim 1, characterized in that: A circular hole (56) is provided on the side of the arc-shaped sliding block (55).

5. The silencing air duct for a vacuum cleaner as claimed in claim 2, characterized in that: A limiting groove (27) is provided on the inner surface of the square groove (24), a limiting block (28) is slidably arranged in the limiting groove (27), and the limiting block (28) is fixedly connected to the square block (26).

6. The silencing air duct for a vacuum cleaner as claimed in claim 2, characterized in that: A plurality of springs (25) are provided, and the springs (25) are arranged in an array and distributed between the square groove (24) and the square block (26).

7. The silencing air duct for a vacuum cleaner as claimed in claim 2, characterized in that: A sealing groove (41) is provided at one end of the air duct body (1), and a sealing ring (4) is fixedly provided on one side of the connecting pipe (21) close to the air duct body (1), and the sealing ring (4) is movably fitted with the inner surface of the sealing groove (41).

8. The silencing air duct for a vacuum cleaner as claimed in claim 2, characterized in that: The cross-sectional shape of the connecting pipe (21) is "T" shaped.

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