A household vacuum cleaner capable of reducing noise

Abstract

The utility model discloses a household vacuum cleaner capable of reducing noise, and relates to the field of vacuum cleaners, including a motor fixedly connected to the inner side of a main shell, and also including an intermediate shell and an outer shell, wherein the outer side surface of the main shell is fixedly sleeved with a plurality of groups of first sound-absorbing cotton at equal intervals, the inner side surface of the intermediate shell is fixedly connected with a second sound-absorbing cotton at equal intervals, and the outer side surface of the intermediate shell is fixedly sleeved with a plurality of groups of third sound-absorbing cotton at equal intervals, and the inner side surface of the outer shell is fixedly connected with a plurality of groups of fourth sound-absorbing cotton at equal intervals, the outer side surface of the outer shell is fixedly connected with a fixed handle, and the inner side surface of the intermediate shell is fixedly connected with four groups of connecting clamp rods at equal intervals. The utility model has the advantages of being able to avoid the noise generated by the motor from affecting the external environment, having a good silencing and noise reduction function, and realizing the extension and expansion function of the dust suction pipe, so as to remove dust indoors according to actual conditions, and having strong applicability.

Description

Technical Field

[0001] The utility model relates to the field of vacuum cleaners, in particular to a household vacuum cleaner capable of reducing noise. Background Art

[0002] A household vacuum cleaner is a common household appliance that is mainly used to clean dust, debris and dirt from the floor and other surfaces. It generates negative pressure through the internal motor drive, sucking air and dust into the internal dust bag or dust box to achieve the cleaning effect. The designs and functions of household vacuum cleaners vary to meet the cleaning needs of different families.

[0003] After searching, the patent publication number is CN212939555U, which discloses a household multifunctional micro vacuum cleaner, which is provided with a dust suction interface. By pressing the rotating suction port from different directions, the rotating suction port rotates around the rotating pin, and the rotating suction port is always kept in contact with the ground, which is more convenient. However, when the existing household vacuum cleaner is in use, its internal motor will generate a large noise during operation, which will have an adverse effect on the user and the external environment. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a household vacuum cleaner with noise reduction. When the existing household vacuum cleaner is in use, the internal motor thereof will generate relatively large noise during operation, thus causing adverse effects on the user and the external environment.

[0005] In order to solve the above technical problems, the technical solution of the utility model is a household vacuum cleaner with noise reduction, including a motor fixedly connected to the inner side of a main shell, and also including an intermediate shell and an outer shell, the outer side surface of the main shell is fixedly connected with a plurality of groups of first sound-absorbing cottons at equal intervals, the inner side surface of the intermediate shell is fixedly connected with a second sound-absorbing cotton at equal intervals, and the outer side surface of the intermediate shell is fixedly connected with a plurality of groups of third sound-absorbing cottons at equal intervals, the inner side surface of the outer shell is fixedly connected with a plurality of groups of fourth sound-absorbing cottons at equal intervals, and the outer side surface of the outer shell is fixedly connected with a fixed handle.

[0006] As a further solution of the utility model: four groups of connecting rods are fixedly connected to the inner side surface of the middle shell at equal intervals, and the middle shell is fixedly sleeved on the outer side of the main shell through the four groups of connecting rods.

[0007] As a further solution of the utility model: the outer shell is sleeved on the outside of the middle shell, and the outer shell is snap-connected with the main shell.

[0008] As a further solution of the utility model: several groups of the first sound-absorbing cotton and several groups of the second sound-absorbing cotton are arranged alternately, and several groups of the third sound-absorbing cotton and several groups of the fourth sound-absorbing cotton are arranged alternately.

[0009] As a further solution of the utility model: a collecting shell is arranged inside the main shell, and the collecting shell is snap-fitted with the motor, and four sets of rotating levers are rotatably connected to the end of the main shell, and the four sets of rotating levers are all fitted with the end of the collecting shell.

[0010] As a further solution of the utility model: a connecting card shell is fixedly connected to the middle position of the outer side of the collecting shell, a first dust suction pipe is fixedly connected to the inner side of the connecting card shell, a second dust suction pipe is arranged on the inner side of the first dust suction pipe, a third dust suction pipe is arranged on the inner side of the second dust suction pipe, a dust suction head is arranged at the end of the third dust suction pipe, and a card tube is fixedly connected to the middle position of one side of the dust suction head.

[0011] As a further solution of the utility model: one end of the second dust suction pipe is fixedly connected to a first externally threaded ring plate, and the first externally threaded ring plate is threadedly connected to the first dust suction pipe.

[0012] As a further solution of the utility model: one end of the third dust suction pipe is fixedly connected to a second externally threaded ring plate, and the second externally threaded ring plate is threadedly connected to the second dust suction pipe, and the dust suction head is clamped to the third dust suction pipe through a clamping tube.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the noise is transmitted to between the middle shell and the outer shell through the cooperation of the main shell and the middle shell, and at this time, several groups of first sound-absorbing cottons and several groups of second sound-absorbing cottons arranged in an alternating manner can initially absorb the noise, and then several groups of third sound-absorbing cottons and several groups of fourth sound-absorbing cottons arranged in an alternating manner can further absorb the noise, which can avoid the noise generated by the motor from affecting the external environment and has a good sound-absorbing and noise-reducing function.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the third dust suction pipe is pulled out from the inside of the second dust suction pipe, and then the second dust suction pipe is threadedly connected to the second dust suction pipe by the second externally threaded ring plate to fix the relative positions of the third dust suction pipe and the second dust suction pipe; then the second dust suction pipe is pulled out from the inside of the first dust suction pipe, and then the second dust suction pipe is threadedly connected to the first externally threaded ring plate to fix the relative positions of the second dust suction pipe and the first dust suction pipe, thereby realizing the extension and expansion function of the dust suction pipe, so that the indoor dust can be removed according to actual conditions, and the utility model has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a household vacuum cleaner capable of reducing noise in an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure of the main housing in the embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure of the middle shell in the embodiment of the utility model;

[0018] Figure 4 It is a schematic diagram of the connection structure of the dust collector head in the embodiment of the utility model.

[0019] In the figure: 1. main shell; 2. electric motor; 3. collecting shell; 4. rotating stop rod; 5. middle shell; 6. connecting clamp rod; 7. outer shell; 8. first sound-absorbing cotton; 9. second sound-absorbing cotton; 10. third sound-absorbing cotton; 11. fourth sound-absorbing cotton; 12. connecting clamp shell; 13. first dust suction pipe; 14. second dust suction pipe; 15. third dust suction pipe; 16. first external threaded ring plate; 17. second external threaded ring plate; 18. dust suction head; 19. clamp pipe; 20. fixed handle. DETAILED DESCRIPTION

[0020] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0021] Example 1, please refer to Figure 1-Figure 4 A household vacuum cleaner with noise reduction includes a motor 2 fixedly connected to the inner side of a main shell 1, and also includes an intermediate shell 5 and an outer shell 7. The outer side surface of the main shell 1 is fixedly sleeved with a plurality of groups of first sound-absorbing cottons 8 at equal intervals, the inner side surface of the intermediate shell 5 is fixedly connected with a second sound-absorbing cotton 9 at equal intervals, and the outer side surface of the intermediate shell 5 is fixedly sleeved with a plurality of groups of third sound-absorbing cottons 10 at equal intervals, the inner side surface of the outer shell 7 is fixedly connected with a plurality of groups of fourth sound-absorbing cottons 11 at equal intervals, and the outer side surface of the outer shell 7 is fixedly connected with a fixed handle 20.

[0022] The inner side surface of the middle shell 5 is fixedly connected with four groups of connecting rods 6 at equal intervals, and the middle shell 5 is fixedly sleeved on the outer side of the main shell 1 through the four groups of connecting rods 6. The outer shell 7 is sleeved on the outside of the middle shell 5, and the outer shell 7 is clamped with the main shell 1.

[0023] In this embodiment, the transmission path of noise is changed through the cooperation between the middle shell 5 and the outer shell 7.

[0024] Several groups of first sound-absorbing cotton 8 and several groups of second sound-absorbing cotton 9 are arranged alternately, and several groups of third sound-absorbing cotton 10 and several groups of fourth sound-absorbing cotton 11 are arranged alternately.

[0025] In this embodiment, several groups of first sound-absorbing cotton 8 and several groups of second sound-absorbing cotton 9 are combined with several groups of third sound-absorbing cotton 10 and several groups of fourth sound-absorbing cotton 11 to absorb the generated noise.

[0026] A collecting shell 3 is arranged inside the main shell 1 , and the collecting shell 3 is snap-fitted with the motor 2 . Four sets of rotating levers 4 are rotatably connected to the end of the main shell 1 , and the four sets of rotating levers 4 are all fitted with the end of the collecting shell 3 .

[0027] In this embodiment, the collecting shell 3 is installed inside the main shell 1 through four groups of rotating blocking rods 4.

[0028] Specifically, the noise is transmitted to between the middle shell 5 and the outer shell 7 through the cooperation of the main shell 1 and the middle shell 5, and at this time, several groups of first sound-absorbing cotton 8 and several groups of second sound-absorbing cotton 9 arranged in an alternating manner can initially absorb the noise, and then several groups of third sound-absorbing cotton 10 and several groups of fourth sound-absorbing cotton 11 arranged in an alternating manner can further absorb the noise, which can prevent the noise generated by the motor 2 from affecting the external environment and has a good sound-absorbing and noise-reducing function.

[0029] Example 2, please refer to Figure 1-Figure 4 A household vacuum cleaner with noise reduction, a connecting card shell 12 is fixedly connected to the middle position of the outer side of the collecting shell 3, a first dust suction pipe 13 is fixedly connected to the inner side of the connecting card shell 12, a second dust suction pipe 14 is arranged on the inner side of the first dust suction pipe 13, a third dust suction pipe 15 is arranged on the inner side of the second dust suction pipe 14, a dust suction head 18 is arranged at the end of the third dust suction pipe 15, and a card pipe 19 is fixedly connected to the middle position of one side of the dust suction head 18.

[0030] One end of the second dust suction pipe 14 is fixedly connected to a first externally threaded ring plate 16 , and the first externally threaded ring plate 16 is threadedly connected to the first dust suction pipe 13 .

[0031] In this embodiment, the positions of the first dust suction pipe 13 and the second dust suction pipe 14 are defined by the threaded connection between the first externally threaded ring plate 16 and the first dust suction pipe 13 .

[0032] One end of the third dust suction pipe 15 is fixedly connected to the second externally threaded ring plate 17 , and the second externally threaded ring plate 17 is threadedly connected to the second dust suction pipe 14 , and the dust suction head 18 is clamped to the third dust suction pipe 15 via a clamping tube 19 .

[0033] In this embodiment, the positions of the third dust suction pipe 15 and the second dust suction pipe 14 are defined by the threaded connection between the second externally threaded ring plate 17 and the second dust suction pipe 14 .

[0034] Specifically, the third dust suction pipe 15 is pulled out from the inside of the second dust suction pipe 14, and then the second externally threaded ring plate 17 is threadedly connected to the second dust suction pipe 14 to fix the relative positions of the third dust suction pipe 15 and the second dust suction pipe 14. Then, the second dust suction pipe 14 is pulled out from the inside of the first dust suction pipe 13, and then the first externally threaded ring plate 16 is threadedly connected to the first dust suction pipe 13 to fix the relative positions of the second dust suction pipe 14 and the first dust suction pipe 13. The extension and expansion function of the dust suction pipe is realized, so that the indoor dust can be removed according to the actual situation, and the applicability is strong.

[0035] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A household vacuum cleaner capable of reducing noise, comprising a motor (2) fixedly connected to the inner side of a main housing (1), characterized in that: It also comprises an intermediate casing (5) and an outer casing (7), wherein a plurality of groups of first sound-absorbing cotton (8) are fixedly sleeved at equal intervals on the outer side surface of the main casing (1), a second sound-absorbing cotton (9) is fixedly connected at equal intervals on the inner side surface of the intermediate casing (5), a plurality of groups of third sound-absorbing cotton (10) are fixedly sleeved at equal intervals on the outer side surface of the intermediate casing (5), a plurality of groups of fourth sound-absorbing cotton (11) are fixedly connected at equal intervals on the inner side surface of the outer casing (7), and a fixed handle (20) is fixedly connected to the outer side surface of the outer casing (7).

2. A household vacuum cleaner capable of reducing noise according to claim 1, characterized in that: Four groups of connecting rods (6) are fixedly connected to the inner side surface of the intermediate casing (5) at equal intervals, and the intermediate casing (5) is fixedly sleeved on the outer side of the main casing (1) via the four groups of connecting rods (6).

3. A household vacuum cleaner capable of reducing noise according to claim 2, characterized in that: The outer shell (7) is sleeved on the outside of the middle shell (5), and the outer shell (7) is snap-connected with the main shell (1).

4. A household vacuum cleaner capable of reducing noise according to claim 1, characterized in that: Several groups of the first sound-absorbing cotton (8) and several groups of the second sound-absorbing cotton (9) are arranged alternately, and several groups of the third sound-absorbing cotton (10) and several groups of the fourth sound-absorbing cotton (11) are arranged alternately.

5. A household vacuum cleaner capable of reducing noise according to claim 1, characterized in that: A collecting shell (3) is arranged inside the main shell (1), and the collecting shell (3) is snap-fitted to the motor (2); the end of the main shell (1) is rotatably connected to four groups of rotating levers (4), and the four groups of rotating levers (4) are all fitted to the end of the collecting shell (3).

6. A household vacuum cleaner capable of reducing noise according to claim 5, characterized in that: A connecting card shell (12) is fixedly connected to the middle position of the outer side of the collecting shell (3); a first dust suction pipe (13) is fixedly connected to the inner side of the connecting card shell (12); a second dust suction pipe (14) is arranged on the inner side of the first dust suction pipe (13); a third dust suction pipe (15) is arranged on the inner side of the second dust suction pipe (14); a dust suction head (18) is arranged at the end of the third dust suction pipe (15); and a card tube (19) is fixedly connected to the middle position of one side of the dust suction head (18).

7. A household vacuum cleaner capable of reducing noise according to claim 6, characterized in that: One end of the second dust suction pipe (14) is fixedly connected to a first externally threaded ring plate (16), and the first externally threaded ring plate (16) is threadedly connected to the first dust suction pipe (13).

8. A household vacuum cleaner capable of reducing noise according to claim 6, characterized in that: One end of the third dust suction pipe (15) is fixedly connected to a second externally threaded ring plate (17), and the second externally threaded ring plate (17) is threadedly connected to the second dust suction pipe (14), and the dust suction head (18) is clamped to the third dust suction pipe (15) via a clamping tube (19).

Images