CN220118407U - Noise reduction assembly and desktop cigarette machine - Google Patents

Abstract

The utility model discloses a noise reduction assembly and a desktop smoke machine, wherein the noise reduction assembly comprises a noise reduction component and a cover plate matched with the noise reduction component, the noise reduction component is of an annular box-shaped structure, the cover plate covers the noise reduction component and defines a cavity with the noise reduction component, the noise reduction component comprises an outer side annular plate, a bottom annular plate and an inner side annular plate which are sequentially connected, the cover plate is connected with the outer side annular plate and the inner side annular plate, a plurality of noise reduction holes are formed in the inner side annular plate, and the noise reduction holes are communicated with the cavity. The desktop cigarette machine comprises a noise reduction component. Through setting up like this, the hole of making an uproar forms amortization chamber structure with the cavity cooperation, the bottom annular plate that will fall the noise component is close to the air outlet department of fan, can fall the noise of production and handle, realize making an uproar falls under the prerequisite of the whole volume of not greatly increasing desktop cigarette machine, can absorb the produced noise of fan during operation to a certain extent, thereby noise that produces when reducing whole device and using provides quiet operational environment, has greatly promoted user's use experience and has felt.

Description

Noise reduction assembly and desktop cigarette machine

Technical Field

The utility model relates to the technical field of desktop smoke machines, in particular to a noise reduction assembly and a desktop smoke machine.

Background

With the rapid development of cooking appliances, a table top smoke machine has been developed in order to reduce the influence of cooking modes such as frying, baking, hot pot and the like with heavy oil smoke and heavy taste on indoor air environment. The desktop range hood is a novel portable range hood, the use scene is more flexible, the range hood can be used for sucking oil smoke and peculiar smell generated in the cooking process on a dining table, and the dining experience of a user is improved.

However, the existing table top smoke machine can generate larger noise during working in order to ensure that enough wind pressure is generated to suck the oil smoke due to the limitation of the volume, and has poor using experience.

Disclosure of Invention

In order to solve the problems that the existing desktop smoke machine is limited in size, large noise is generated during working and experience is poor in use because enough wind pressure is generated to suck oil smoke, the utility model provides a noise reduction assembly and the desktop smoke machine.

In order to solve the technical problems, the utility model adopts a technical scheme that a noise reduction assembly is provided, the noise reduction assembly comprises a noise reduction component and a cover plate matched with the noise reduction component, the noise reduction component is of an annular box-shaped structure, and the cover plate covers the noise reduction component and defines a cavity with the noise reduction component; the noise reduction component comprises an outer side annular plate, a bottom annular plate and an inner side annular plate which are sequentially connected, wherein the cover plate is connected with the outer side annular plate and the inner side annular plate, a plurality of noise reduction holes are formed in the inner side annular plate, and the noise reduction holes are communicated with the cavity.

In one embodiment, the noise reduction assembly further comprises a sound attenuating member that fills the cavity.

In one embodiment, the sound attenuating member is sound absorbing cotton.

In one embodiment, the noise reduction holes have a diameter of less than or equal to 1.5mm.

In one embodiment, the noise reduction assembly further comprises a plurality of baffles, wherein the baffles are arranged in the cavity and divide the cavity into a plurality of independent subchambers, and each subchamber is communicated with the noise reduction hole.

In one embodiment, the noise reduction assembly further comprises a lighting device disposed within the cavity, and the noise reduction member is located between the bottom ring plate and the lighting device, and the cover plate is a light transmissive plate.

In one embodiment, the inner ring plate includes a first ring plate, a second ring plate and a third ring plate, the first ring plate and the third ring plate are connected through the second ring plate, the first ring plate is connected with the bottom ring plate, the third ring plate is connected with the cover plate, and a plurality of noise reduction holes are uniformly distributed on the first ring plate and the second ring plate; the cross section of the second annular plate gradually decreases from one end close to the first annular plate to one end close to the third annular plate.

The utility model further provides a desktop smoke machine for solving the technical problems, the desktop smoke machine comprises a purifying component, a connecting seat, a fan and the noise reduction component, wherein the purifying component is used for purifying oil smoke, the purifying component is connected to one end of the connecting seat, an air inlet of the fan is connected to the other end of the connecting seat, and the noise reduction component is arranged at an air outlet of the fan.

In one embodiment, the tabletop smoke machine further comprises a shell, wherein the shell is connected with the outer side wall of the connecting seat, and the noise reduction assembly is connected to the inner side of one end of the shell away from the connecting seat; the noise reduction assembly, the shell and the connecting seat define an air passing cavity, the fan is arranged in the air passing cavity, and the fan and the noise reduction assembly are arranged at intervals.

In one embodiment, the fan is coaxially disposed with the noise reduction assembly.

Compared with the prior art, the noise reduction assembly and the desktop cigarette machine provided by the embodiment of the utility model have the following advantages:

1. in the noise reduction assembly provided by the embodiment of the utility model, the noise reduction assembly comprises a noise reduction member and a cover plate matched with the noise reduction member, the noise reduction member is of an annular box-shaped structure, the cover plate covers the noise reduction member and defines a cavity with the noise reduction member, the noise reduction member comprises an outer side annular plate, a bottom annular plate and an inner side annular plate which are sequentially connected, the cover plate is connected with the outer side annular plate and the inner side annular plate, a plurality of noise reduction holes are formed in the inner side annular plate, and the noise reduction holes are communicated with the cavity. Through setting up like this, the hole of making an uproar forms amortization chamber structure with the cavity cooperation, the bottom annular plate that will fall the noise component is close to the air outlet department of fan, can fall the noise of production and handle, the restriction of volume has been solved current desktop cigarette machine for guaranteeing to produce enough wind pressure and inhale the oil smoke, can produce great noise at the during operation, use experience feel subalternation problem, realize making an uproar under the prerequisite of not excessively increasing the whole volume of desktop cigarette machine, can absorb the noise that the fan during operation produced to a certain extent, thereby noise that produces when reducing whole device and using provides quiet operational environment, greatly promoted user's use experience feel.

In addition, because the noise reduction component is annular box-shaped structure, the oil smoke after filtering passes through the hollow area of the noise reduction component, and the noise reduction holes are formed in the inner annular plate, so that the noise reduction holes are relatively close to a noise source, and the noise reduction effect of the noise reduction component can be improved.

2. In the noise reduction assembly provided by the embodiment of the utility model, the noise reduction assembly further comprises a noise reduction member, and the noise reduction member is filled in the cavity. Through set up the amortization component in the amortization chamber structure that hole and cavity cooperation of making an uproar formed falls, can promote the sound absorption noise reduction effect of whole device further.

3. In the noise reduction assembly provided by the embodiment of the utility model, the aperture of the noise reduction hole is smaller than or equal to 1.5mm, so that the noise reduction effect is prevented from being deteriorated due to the overlarge aperture of the noise reduction hole.

4. In the noise reduction assembly provided by the embodiment of the utility model, the noise reduction assembly further comprises a plurality of partition boards, the partition boards are arranged in the cavity and divide the cavity into a plurality of independent subchambers, and each subchamber is communicated with a noise reduction hole. Through setting up the baffle with the cavity separation become a plurality of independent subchambers each other for fall the subassembly of making an uproar and form helmholtz resonator, can further promote the sound absorption effect of making an uproar of whole device.

5. In the noise reduction assembly provided by the embodiment of the utility model, the noise reduction assembly further comprises a lighting device, the lighting device is arranged in the cavity, the silencing component is positioned between the bottom annular plate and the lighting device, and the cover plate is a light-transmitting plate. Through setting up like this for the subassembly structure of making an uproar falls multiplexing, plays the effect of making an uproar, on the other hand sets up lighting device inside for it can adapt to different service scenes, provides the illumination through lighting device, improves whole device's function diversification.

6. In the noise reduction assembly provided by the embodiment of the utility model, the inner annular plate comprises the first annular plate, the second annular plate and the third annular plate, the first annular plate is connected with the third annular plate through the second annular plate, the first annular plate is connected with the bottom annular plate, the third annular plate is connected with the cover plate, the noise reduction holes are uniformly distributed on the first annular plate and the second annular plate, and the cross section of the second annular plate gradually decreases from one end close to the first annular plate to one end close to the third annular plate. By arranging the cross section of the second annular plate to gradually decrease from one end close to the first annular plate to one end close to the third annular plate, on one hand, the area of a cavity at one end far from the bottom annular plate can be enlarged, the light emitting area of the lighting device can be increased, and the lighting effect is improved; on the other hand, the air outlet of the fan is in a gathering trend at the second annular plate, the size of the air outlet is reduced, the drainage of the air outlet to peripheral air is weakened, the flow of the peripheral air is reduced, and the influence on the smoking effect of the air inlet of the desktop smoke machine is further reduced.

In addition, the noise reduction holes are uniformly distributed on the first annular plate and the second annular plate, namely, the noise reduction holes are uniformly distributed at the air outlet of the fan and the oil smoke gathering part, the noise of the two positions is large, and noise reduction treatment can be better carried out on the noise.

7. In the desktop cigarette machine provided by the embodiment of the utility model, the purifying component is connected to one end of the connecting seat, the air inlet of the fan is connected to the other end of the connecting seat, and the noise reduction component is arranged at the air outlet of the fan. The noise reduction assembly is arranged close to the air outlet of the fan, so that the air outlet of the fan is large in noise, and the noise reduction effect is more obvious.

8. In the desktop cigarette machine provided by the embodiment of the utility model, the desktop cigarette machine further comprises a shell, the shell is connected with the outer side wall of the connecting seat, the noise reduction component is connected to the inner side of one end of the shell far away from the connecting seat, the noise reduction component, the shell and the connecting seat define a wind passing cavity, the fan is arranged in the wind passing cavity, and the fan and the noise reduction component are arranged at intervals. Through the arrangement, the fan can be prevented from directly transmitting vibration to the noise reduction assembly during working, and then a new noise source is generated.

9. In the desktop smoke machine provided by the embodiment of the utility model, the fan and the noise reduction assembly are coaxially arranged, so that the smoke can be more uniformly discharged, and the noise is uniformly reduced by the noise reduction holes on the noise reduction assembly, so that the noise reduction effect is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present utility model, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic perspective view of a noise reduction assembly according to a first embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of a noise reduction assembly according to a first embodiment of the present utility model.

Fig. 3 is an exploded view of a noise reduction assembly according to a first embodiment of the present utility model.

Fig. 4 is a schematic perspective view showing a connection between a noise reducing member and a noise reducing member of a noise reducing assembly according to a first embodiment of the present utility model.

Fig. 5 is a schematic perspective view of a noise reduction assembly according to a second embodiment of the present utility model.

Fig. 6 is a schematic cross-sectional view of a noise reduction assembly according to a second embodiment of the present utility model.

Fig. 7 is an exploded view of a noise reduction assembly according to a second embodiment of the present utility model.

Fig. 8 is a schematic perspective view of a table top smoke machine according to a third embodiment of the present utility model.

Fig. 9 is a schematic perspective view of a movable bracket removed from a table top smoke machine according to a third embodiment of the present utility model.

Fig. 10 is a schematic cross-sectional view of a third embodiment of a table top cigarette machine according to the present utility model with an oil cup and a movable support removed.

The attached drawings are used for identifying and describing:

1. a noise reduction assembly;

11. a noise reduction member; 12. a cover plate; 13. a sound deadening member; 14. a partition plate;

111. an outer ring plate; 112. a bottom ring plate; 113. an inner ring plate; 114. a noise reduction hole;

s, cavity; q, subchambers;

2. a noise reduction assembly;

21. a noise reduction member; 22. a cover plate; 23. a sound deadening member; 24. a lighting device;

211. an outer ring plate; 212. a bottom ring plate; 213. an inner ring plate; 214. a noise reduction hole;

2131. a first annular plate; 2132. a second annular plate; 2133. a third annular plate;

p, cavity;

3. a table top cigarette machine;

31. a purification assembly; 32. a connecting seat; 33. a blower; 34. a noise reduction assembly; 35. a housing; 36. an oil cup; 37. a movable bracket;

and r, passing through the wind cavity.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Embodiments of the utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It will be understood that the terms "first," "second," and "third," etc., as used herein, may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1 and 2, a first embodiment of the present utility model provides a noise reduction assembly 1, which can be applied to a tabletop smoke machine to reduce noise generated during the tabletop smoke machine. The noise reduction assembly 1 comprises a noise reduction member 11 and a cover plate 12, wherein the noise reduction member 11 is of an annular box-shaped structure, and can be particularly of an annular box-shaped structure, the cover plate 12 is matched with the noise reduction member 11, and the cover plate 12 is of an annular plate, and can be particularly of an annular plate. The cover plate 12 covers the noise reduction member 11 and defines a cavity s with the noise reduction member 11.

As shown in fig. 1 to 3, specifically, the noise reduction member 11 includes an outer ring plate 111, a bottom ring plate 112, and an inner ring plate 113, which are sequentially connected, and the outer ring plate 111, the bottom ring plate 112, and the inner ring plate 113 form a U-shaped cross section. The cover plate 12 is connected to the outer ring plate 111 and the inner ring plate 113.

Specifically, the inner ring plate 113 is provided with a plurality of noise reduction holes 114, and the noise reduction holes 114 are communicated with the cavity s.

Alternatively, the noise reduction hole 114 is a circular hole, a square hole, or a triangular hole, and embodiments of the present utility model are not particularly limited. In the embodiment of the utility model, the noise reduction holes are circular holes.

Specifically, the aperture of the noise reduction hole 114 is less than or equal to 1.5mm, preferably 1.5mm. By defining the aperture of the noise reduction hole 114, deterioration of the noise reduction effect due to an excessive aperture of the noise reduction hole 114 can be avoided.

In the embodiment of the utility model, the noise reduction hole 114 is matched with the cavity s to form a noise reduction cavity structure, the bottom annular plate 112 of the noise reduction component 11 is close to the air outlet of the fan, so that noise reduction treatment can be performed on generated noise, the problem that the conventional desktop smoke machine generates larger noise when working and has poor use experience in order to ensure that enough wind pressure is generated to suck smoke due to the limitation of the volume is solved, noise reduction is realized on the premise of not greatly increasing the whole volume of the desktop smoke machine, the noise generated when the fan works can be absorbed to a certain extent, and therefore, the noise generated when the whole device is used is reduced, a quiet use environment is provided, and the use experience of a user is greatly improved.

As shown in fig. 2 and 4, the noise reduction assembly 1 further includes a noise reduction member 13, and the noise reduction member 13 is filled in the cavity s. By providing the noise reduction member 13 in the noise reduction cavity structure formed by the cooperation of the noise reduction hole 114 and the cavity s, the sound absorption and noise reduction effect of the whole device can be further improved.

Preferably, in the embodiment of the present utility model, the noise reducing member 13 is sound absorbing cotton.

With continued reference to fig. 4, the noise reduction assembly 1 further includes a plurality of partition plates 14, where the plurality of partition plates 14 are disposed in the cavity s and divide the cavity s into a plurality of independent sub-cavities q, and each sub-cavity q is connected to the noise reduction hole 114.

In the embodiment of the utility model, the partition plate 14 is arranged to divide the cavity s into a plurality of independent subchambers q, so that the noise reduction assembly 1 forms a Helmholtz resonator, and the sound absorption and noise reduction effects of the whole device can be further improved.

It can be understood that according to the helmholtz resonance principle, after noise propagates, sound waves close to the natural frequency of the resonator and the resonator resonate, and during the vibration process, acoustic energy is consumed due to friction, so that the purposes of sound absorption and noise reduction are achieved.

Example two

Referring to fig. 5 and 6, a noise reduction assembly 2 is provided in a second embodiment of the present utility model, and the noise reduction assembly 2 of the second embodiment is the same as the noise reduction assembly 1 of the first embodiment and will not be described herein. The noise reduction assembly 2 of the second embodiment differs from the noise reduction assembly 1 of the first embodiment in that: the noise reduction assembly 2 of the second embodiment includes a noise reduction member 21 and a cover plate 22, the cover plate 22 is matched with the noise reduction member 21, the cover plate 22 covers the noise reduction member 21 and defines a cavity p with the noise reduction member 21, and the noise reduction member 23 is filled in the cavity p.

Preferably, in the embodiment of the present utility model, the noise reducing member 23 is sound absorbing cotton.

Referring to fig. 5-7, further, the noise reduction assembly 2 further includes a lighting device 24, the lighting device 24 is disposed in the cavity p, the noise reduction member 23 is located between the bottom ring plate 212 and the lighting device 24, and the cover plate 22 is a light-transmitting plate.

Optionally, the cover plate 22 is a light-transmitting glass plate, a PC plate, an acryl plate, a PVC plate, or a PETG plate, which is not particularly limited in the present utility model.

In the embodiment of the utility model, the structure of the noise reduction assembly 2 is multiplexed by arranging the lighting device 24 in the cavity p, so that the noise reduction effect is realized on one hand, and the lighting device 24 is arranged in the cavity p, so that the noise reduction assembly can adapt to different use scenes, and the lighting device 24 provides lighting, so that the function diversity of the whole device is improved. In addition, the silencing member 23 is disposed between the bottom ring plate 212 and the lighting device 24, so that the lighting device 24 can be provided with a buffer function, and the lighting device 24 can be protected to a certain extent.

Specifically, the noise reduction member 21 includes an outer ring plate 211, a bottom ring plate 212, and an inner ring plate 213, which are sequentially connected, and the cover plate 22 is connected to the outer ring plate 211, the inner ring plate 213.

More specifically, the inner ring plate 213 includes a first ring plate 2131, a second ring plate 2132, and a third ring plate 2133, the first ring plate 2131 and the third ring plate 2133 are connected by the second ring plate 2132, the first ring plate 2131 is connected with the bottom ring plate 212, and the third ring plate 2133 is connected with the cover plate 22.

The cross-section of the second ring plate 2132 decreases gradually from the end near the first ring plate 2131 to the end near the third ring plate 2133. In the embodiment of the present utility model, as shown in fig. 6, the second ring plate 2132 is integrally formed in a circular truncated cone shape, the diameter of the cross section of the second ring plate 2132 near one end of the first ring plate 2131 is D, the diameter of the cross section of the second ring plate 2132 near one end of the third ring plate 2133 is D, and the diameter of the cross section of the second ring plate 2132 along the direction near the third ring plate 2133 is gradually reduced from D to D.

Specifically, the inner ring plate 213 is provided with a plurality of noise reduction holes 214, the noise reduction holes 214 are communicated with the cavity p, and the noise reduction holes 214 are uniformly arranged on the first ring plate 2131 and the second ring plate 2132.

With continued reference to fig. 6, optionally, the angle a between the first ring plate 2131 and the second ring plate 2132 is 100-120 degrees. Specifically, the included angle a between the first ring plate 2131 and the second ring plate 2132 may be 100 degrees, 105 degrees, 110 degrees, 115 degrees, or 120 degrees. Preferably, in the embodiment of the present utility model, the included angle a between the first ring plate 2131 and the second ring plate 2132 is 110 degrees.

In the embodiment of the present utility model, by arranging the cross section of the second ring plate 2132 to gradually decrease from the end close to the first ring plate 2131 to the end close to the third ring plate 2133, on one hand, the area of the cavity p at the end far from the bottom ring plate 212 can be increased, the light emitting area of the lighting device 24 can be increased, and the lighting effect can be improved; on the other hand makes the fan air-out be gathering trend in second annular plate 2132 department, and the air outlet size reduces, and the air-out weakens to peripheral air drainage to reduce peripheral air flow, further reduce the influence to desktop cigarette machine air intake smoking effect. In addition, the noise reduction holes 214 are uniformly arranged on the first ring plate 2131 and the second ring plate 2132, namely, the noise reduction holes 214 are uniformly arranged at the air outlet of the fan and the oil smoke gathering part, so that the noise at the two positions is larger, and the noise can be reduced better.

Example III

Referring to fig. 8-10, a third embodiment of the present utility model provides a table top smoke machine 3, which can be used for sucking the cooking fume and the odor generated during the cooking process on a dining table. The table top smoke machine 3 comprises a purifying component 31, a connecting seat 32, a fan 33 and a noise reduction component 34.

The purifying component 31 is used for purifying oil smoke, the purifying component 31 is connected to one end of the connecting seat 32, the air inlet of the fan 33 is connected to the other end of the connecting seat 32, the noise reducing component 34 is the noise reducing component 1 in the first embodiment or the noise reducing component 2 in the second embodiment, and the noise reducing component 34 is arranged at the air outlet of the fan 33.

In the embodiment of the utility model, the noise reduction assembly 34 is arranged close to the air outlet of the fan 33, so that the air outlet of the fan 33 has large noise and obvious noise reduction effect.

Further, the tabletop smoke machine 3 further comprises a housing 35, the housing 35 is connected with the outer side wall of the connecting seat 32, and the noise reduction assembly 34 is connected to the inner side of the end, away from the connecting seat 32, of the housing 35. The noise reduction assembly 34, the housing 35 and the connection base 32 define an air passing cavity r in which the fan 33 is disposed, and the fan 33 is spaced apart from the noise reduction assembly 34.

In the embodiment of the utility model, the fan 33 and the noise reduction assembly 34 are arranged at intervals, so that the vibration of the fan 33 can be prevented from being directly transmitted to the noise reduction assembly 34 when the fan works, and a new noise source is generated.

Specifically, the fan 33 and the noise reduction assembly 34 are coaxially arranged, so that the oil smoke can be discharged more uniformly, and noise is uniformly reduced through the noise reduction holes in the noise reduction assembly 34, so that the noise reduction effect is further improved.

Further, the table top cigarette machine 3 further comprises an oil cup 36, the oil cup 36 is hung on the lower side of the air inlet of the purifying component 31, and the oil cup 36 is used for collecting oil stains dropped during the operation of the table top cigarette machine 3.

Further, the desktop cigarette machine 3 further comprises a movable support 37, the movable support 37 is connected with the shell 35, the movable support 37 is used for installing the desktop cigarette machine 3 on a desktop, and the desktop cigarette machine 3 can be adjusted through the movable support 37 under the condition that the normal fixed use of the desktop cigarette machine 3 is not affected, such as angle adjustment or height adjustment, so that different cooking scenes or use scenes can be adapted, and the practicability of the desktop cigarette machine 3 is further improved.

The function of the tabletop smoke machine 3 provided by the third embodiment of the present utility model is the same as that of the noise reduction assembly 1 provided by the first embodiment or the noise reduction assembly 2 provided by the second embodiment, and the description thereof will not be repeated here.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A noise reduction assembly, characterized in that: the noise reduction component comprises a noise reduction member and a cover plate matched with the noise reduction member, the noise reduction member is of an annular box-shaped structure, and the cover plate covers the noise reduction member and defines a cavity with the noise reduction member;

the noise reduction component comprises an outer side annular plate, a bottom annular plate and an inner side annular plate which are sequentially connected, wherein the cover plate is connected with the outer side annular plate and the inner side annular plate, a plurality of noise reduction holes are formed in the inner side annular plate, and the noise reduction holes are communicated with the cavity.

2. The noise reduction assembly of claim 1, wherein: the noise reduction assembly further includes a sound attenuating member that fills within the cavity.

3. The noise reduction assembly of claim 2, wherein: the silencing component is sound-absorbing cotton.

4. The noise reduction assembly of claim 1, wherein: the aperture of the noise reduction hole is smaller than or equal to 1.5mm.

5. The noise reduction assembly of claim 1, wherein: the noise reduction assembly further comprises a plurality of partition plates, the partition plates are arranged in the cavity and divide the cavity into a plurality of independent subchambers, and each subchamber is communicated with the noise reduction hole.

6. The noise reduction assembly of claim 2, wherein: the noise reduction assembly further comprises a lighting device, wherein the lighting device is arranged in the cavity, the silencing component is positioned between the bottom annular plate and the lighting device, and the cover plate is a light-transmitting plate.

7. The noise reduction assembly of claim 6, wherein: the inner side annular plate comprises a first annular plate, a second annular plate and a third annular plate, the first annular plate and the third annular plate are connected through the second annular plate, the first annular plate is connected with the bottom annular plate, the third annular plate is connected with the cover plate, and a plurality of noise reduction holes are uniformly distributed on the first annular plate and the second annular plate;

the cross section of the second annular plate gradually decreases from one end close to the first annular plate to one end close to the third annular plate.

8. The desktop cigarette machine is characterized by comprising a purifying component, a connecting seat, a fan and a noise reduction component as claimed in any one of claims 1 to 7, wherein the purifying component is used for purifying oil smoke, the purifying component is connected to one end of the connecting seat, an air inlet of the fan is connected to the other end of the connecting seat, and the noise reduction component is arranged at an air outlet of the fan.

9. The tabletop smoke machine as recited in claim 8, wherein: the desktop cigarette machine further comprises a shell, wherein the shell is connected with the outer side wall of the connecting seat, and the noise reduction assembly is connected to the inner side of one end, far away from the connecting seat, of the shell;

the noise reduction assembly, the shell and the connecting seat define an air passing cavity, the fan is arranged in the air passing cavity, and the fan and the noise reduction assembly are arranged at intervals.

10. The tabletop smoke machine as recited in claim 8, wherein: the fan and the noise reduction assembly are coaxially arranged.