Fan assembly and cleaning equipment

Abstract

The utility model provides a fan assembly and cleaning equipment, and belongs to the technical field of cleaning equipment. The fan assembly comprises a fan, a first shell and a second shell, the fan is assembled in the first shell, the first shell comprises an air inlet and a first air outlet, the second shell comprises a second air outlet, a silencing element is arranged at the position of the second air outlet, and the second shell is arranged outside the first shell in a sleeving mode and wraps the first air outlet. And the first shell and the second shell form a double-shell structure. The noise reduction device is used for noise reduction of the fan, the problem that the operation noise of the fan is large can be solved through the design of the double-shell structure and the arrangement of the noise reduction element at the air outlet, and the operation noise of the fan is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning equipment, in particular to a fan assembly and a cleaning equipment applying the same. Background Art

[0002] A vacuum cleaner is an important household appliance that can clean floors, carpets, etc. With the improvement of people's living quality, the requirements for vacuum cleaners are getting higher and higher. In addition to the cleaning effect, the noise level is also one of the key concerns of consumers. Today, in the increasingly fierce market competition, reducing the noise of vacuum cleaners is the key for each manufacturer to enhance the market competitiveness of products and attract more consumers' attention and purchases. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a fan assembly and a cleaning equipment, which can solve one or more of the above-mentioned prior art problems.

[0004] According to the first aspect of the utility model, a fan assembly is provided, including:

[0005] A fan;

[0006] A first housing, including a receiving cavity, and an air inlet and a first air outlet communicating with the receiving cavity;

[0007] A second housing, including a second air outlet;

[0008] Wherein, the fan is arranged in the receiving cavity, the second housing is sleeved outside the first housing and covers the first air outlet, the second housing and the first housing form an air cavity communicating the first air outlet and the second air outlet, and a first sound-absorbing element is arranged at the second air outlet.

[0009] In some embodiments, a second sound-absorbing element is arranged at the first air outlet.

[0010] In some embodiments, a third sound-absorbing element is arranged between the fan and the first housing.

[0011] In some embodiments, a shock-absorbing element is arranged between the fan and the first housing.

[0012] In some embodiments, the first housing has a first open end and a second open end, the first open end is configured with the air inlet, and the second open end is configured with the first air outlet; the fan has a first connection end and a second connection end, the first connection end is inserted into the first open end, and the second connection end is inserted into the second open end.

[0013] In some embodiments, a first shock-absorbing element is arranged at the connection between the first connection end and the first open end.

[0014] In some embodiments, a second shock-absorbing element is provided at the connection between the second connection end and the second open end.

[0015] In some embodiments, a third shock-absorbing element is provided on the outer wall of the second housing.

[0016] In some embodiments, the end face of the second housing has a through hole, and a flanging extending inward is formed in the circumferential direction of the through hole, and the flanging is inserted into the second open end of the first housing.

[0017] According to a second aspect of the present invention, a cleaning device is provided, including the fan assembly of the first aspect of the present invention above.

[0018] The beneficial effects of the present invention are as follows: The structural design of the fan assembly of the present invention is reasonable. Through the setting of the double housing, not only the rigidity and stability of the entire fan assembly are enhanced, which helps to resist external impacts and vibrations, but also the noise generated during the operation of the fan can be reduced. In addition, as the main channel for air flow, by reasonably designing the positions and quantities of the first air outlet and the second air outlet, the distribution and flow velocity of the air flow can be optimized, the ventilation efficiency of the fan can be improved, the eddy current and resistance during the air flow process can be reduced, and thus the noise generated during the operation of the fan can be effectively reduced. At the same time, by setting sound-absorbing elements and shock-absorbing elements at positions such as the air outlet, the noise generated during the operation of the fan can be further reduced. Description of the Drawings

[0019] Figure 1 is a schematic structural diagram of a fan assembly according to an embodiment of the present invention;

[0020] Figure 2 is Figure 1 a sectional view of the fan assembly shown;

[0021] Description of the Reference Numerals: 1. Fan; 11. First connection end; 12. Second connection end; 2. First housing; 21. First open end; 22. Second open end; 23. Accommodation cavity; 24. First air outlet; 2a. First segment; 2b. Second segment; 3. Second housing; 31. Second air outlet; 32. Flanging; 4. Air cavity; 51. First shock-absorbing element; 52. Second shock-absorbing element; 53. Third shock-absorbing element; 61. First sound-absorbing element; 62. Second sound-absorbing element; 63. Third sound-absorbing element; 7. Connecting piece. Detailed Embodiments

[0022] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] To enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Combined with Figure 1 、 2 As shown, the fan assembly provided in the first aspect embodiment of the present utility model includes a fan 1, a first housing 2, and a second housing 3. The first housing 2 is configured with a receiving cavity 23 for receiving the fan 1, and has a first opening end 21 and a second opening end 22 communicating with the receiving cavity 23 at both ends. The first opening end 21 and the second opening end 22 are for the assembly of the fan 1. In a specific implementation, the first connection end 11 of the fan 1 is inserted into the first opening end 21, and the second connection end 12 is inserted into the second opening end 22 to achieve the assembly of the fan 1. Here, the first opening end 21 is configured as the air inlet of the first housing 2. In a specific implementation, it is optimal to use the opening on the first opening end 21 as the air inlet. The second opening end 22 is configured as the first air outlet 24 of the first housing 2. The first air outlet 24 can be a ventilation hole or the like provided around the opening on the second opening end 22. After the fan 1 is assembled in place, the air inlet of the fan 1 is docked with the air inlet of the first housing 2, and the air outlet is docked with the first air outlet 24 of the first housing 2.

[0025] The outer wall of the second housing 3 is provided with a second air outlet 31 communicating with the air cavity 4. The second housing 3 is sleeved on the second opening end 22 of the first housing 2 and forms an air cavity 4 together with the first housing 2. The air cavity 4 communicates the first air outlet 24 of the first housing 2 and the second air outlet 31 of the second housing 3. Thus, the air flow is sucked in from the air inlet of the first housing 2, accelerated by the fan 1, enters the air cavity 4 from the first air outlet 41, and is then discharged to the outside from the second air outlet 31.

[0026] In the present embodiment, the first housing 2 serves as the inner housing for accommodating the blower 1, providing basic structural support and protection. The second housing 3 is sleeved on the second opening end 22 of the first housing 2, enclosing the first air outlet 24 therein. Together with the first housing 2, they form an air cavity 4. This double-layer structure enhances the rigidity and stability of the entire blower assembly, helps resist external impacts and vibrations, and also helps reduce noise. Additionally, the air cavity 4 serves as the main passage for the air flow. By reasonably designing the positions and quantities of the first air outlet 24 and the second air outlet 31, the distribution and flow velocity of the air flow can be optimized, the ventilation efficiency of the blower 1 can be improved, the eddy current and resistance during the air flow process can be reduced, and the air flow can pass through the blower more smoothly, thereby effectively reducing the noise generated during the operation of the blower.

[0027] Furthermore, in the present embodiment, a first sound-absorbing element 61 is provided at the second air outlet 31, and a second sound-absorbing element 62 is provided at the first air outlet 24. By providing the sound-absorbing elements, the noise generated at the air outlets can be absorbed and transformed, thereby achieving the purpose of noise reduction. Optionally, the first sound-absorbing element 61 and the second sound-absorbing element 62 are sound-absorbing sponges, which are filled with fine voids and can greatly absorb the incident sound wave energy, attenuating the sound waves.

[0028] Specifically, as shown in Figure 2 , the first air outlets 24 are circumferentially opened on the end face opened by the second opening end 22, and the second sound-absorbing element 62 is disposed between the end face opened by the second opening end 22 and the end face of the second housing 3. The second air outlet 31 is opened on the side wall of the second housing 3, and the first sound-absorbing element 61 is disposed on the side wall of the second housing 3. Since the air flow direction discharged from the first air outlet 24 to the air cavity 4 is horizontal, and the air flow direction discharged from the second air outlet 31 to the outside is vertical, that is, the air inlet direction of the air cavity 4 is perpendicular to the exhaust direction. On the one hand, it enables the first air outlet 24 and the second air outlet 31 to be better separated in space, making the air flow organization in the air cavity 4 more reasonable, helping to form a more uniform air flow distribution, and reducing equipment vibration and noise problems caused by improper air flow direction.

[0029] Furthermore, in order to reduce the noise generated during the operation of the blower 1, in the present embodiment, a third sound-absorbing element 63 is also provided between the blower 1 and the inner wall of the first housing 2. Optionally, the first sound-absorbing element 63 is a sound-absorbing felt, sleeved on the outer wall of the blower 1, which can effectively absorb the noise generated during the operation of the blower, thereby achieving the effect of noise reduction.

[0030] Further, in order to reduce the noise generated by the vibration of the fan 1, a damping element is also provided at the connection between the fan 1 and the first housing 2 in this embodiment. Specifically, the fan 1 has a first connection end 11 and a second connection end 12. The first connection end 11 is inserted into the first opening end 21, and the second connection end 12 is inserted into the second opening end 22. A first damping element 51 is provided at the connection between the first connection end 11 and the first opening end 21. A second damping element 52 is provided at the connection between the second connection end 12 and the second opening end 22. By providing the damping elements, part of the fan vibration can be isolated to reduce noise, and it can also play a buffering role, reducing the damage caused by long-term vibration between the fan and the housing, and extending the service life of the fan. Optionally, the first damping element 51 and the second damping element 52 are rubber pads.

[0031] In order to further reduce the noise generated by the vibration of the fan 1, a third damping element 53 is also provided on the outer wall of the second housing 3 in this embodiment. The third damping element 53 can be arranged on the second housing 3 according to actual needs, such as arranged in a circumferential direction on the second housing. When the fan assembly is assembled to the cleaning device housing, the third damping element 53 is located between the second housing 3 and the cleaning device housing, and can isolate part of the fan assembly vibration to reduce noise.

[0032] In some embodiments, the end face of the second housing 3 has a through hole, and a flanging 32 extending inward is formed in the circumferential direction of the through hole. The flanging 32 can be inserted into the second opening end 22 of the first housing 2.

[0033] Further, in order to facilitate the assembly of the fan 1, the first housing 2 can be a split structure, including a first segment 2a and a second segment 2b. The first segment 2a is used to assemble the first connection end 11 of the fan 1, and the second segment 2b is used to assemble the second connection end 12 of the fan 1. The connection between the first segment 2a and the second segment 2b is tightly connected by a connecting member 7.

[0034] The cleaning device provided by the second aspect embodiment of the present invention can be a vacuum cleaner, etc., and the suction force is generated by the fan assembly provided by the first aspect embodiment of the present invention.

[0035] It should be understood that the present application is not limited to the exact structure already described and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present application is only limited by the appended claims.

Claims

1. A fan assembly, characterized in that, Comprising: a fan (1); a first housing (2), including a receiving cavity (23), and an air inlet and a first air outlet (24) communicating with the receiving cavity (23); a second housing (3), including a second air outlet (31); wherein, the fan (1) is disposed in the receiving cavity (23), the second housing (3) is sleeved outside the first housing (2) and covers the first air outlet (24), the second housing (3) and the first housing (2) form an air cavity (4) communicating the first air outlet (24) and the second air outlet (31), and a first sound-absorbing element (61) is provided at the second air outlet (31).

2. The fan assembly according to claim 1, characterized in that, A second sound-absorbing element (62) is provided at the first air outlet (24).

3. The fan assembly according to claim 1, characterized in that, A third sound-absorbing element (63) is provided between the fan (1) and the first housing (2).

4. The fan assembly according to claim 1, characterized in that, A shock-absorbing element is provided between the fan (1) and the first housing (2).

5. The fan assembly according to claim 1, characterized in that, The first housing (2) has a first open end (21) and a second open end (22), the first open end (21) is configured with the air inlet, and the second open end is configured with the first air outlet (24); the fan (1) has a first connection end (11) and a second connection end (12), the first connection end (11) is inserted into the first open end (21), and the second connection end (12) is inserted into the second open end (22).

6. The fan assembly according to claim 5, characterized in that, A first shock-absorbing element (51) is provided at the connection between the first connection end (11) and the first open end (21).

7. The blower assembly according to claim 5, characterized in that, A second shock-absorbing element (52) is provided at the connection between the second connection end (12) and the second open end (22).

8. The fan assembly according to claim 1, wherein, A third shock-absorbing element (53) is provided on the outer wall of the second housing (3).

9. The fan assembly according to claim 5, wherein, The end face of the second housing (3) has a through hole, and a flanging (32) extending inward is formed in the circumferential direction of the through hole, and the flanging (32) is inserted into the second open end (22) of the first housing (2).

10. Cleaning device, characterized in that, Comprising the fan assembly according to any one of claims 1-9.

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