CN216844808U - Smoke machine - Google Patents

Abstract

The utility model discloses a cigarette machine, the cigarette machine includes quick-witted case, fan and water conservancy diversion and falls the part of making an uproar, the fan is established quick-witted incasement, the water conservancy diversion falls the part of making an uproar and establishes quick-witted incasement and with the interior bottom surface interval arrangement of machine case, the water conservancy diversion falls the part of making an uproar and has the cavity, the cavity is followed the length direction who falls the part of making an uproar extends in the water conservancy diversion, just the cross-sectional area of cavity is followed the length direction who falls the part of making an uproar changes in the water conservancy diversion, be equipped with the bloop on the part of making an uproar, the bloop with the cavity intercommunication. The utility model discloses a cigarette machine noise is little, and user experience is good.

Description

Smoke machine

Technical Field

The utility model relates to the technical field of household appliances, specifically, relate to a cigarette machine.

Background

The cigarette machine is as the indispensable electrical apparatus in the kitchen, can purify the kitchen environment, improves user's culinary art and experiences. The range hood can suck the mixture of the oil smoke and the water vapor generated in the cooking process into the fan, and the oil smoke, namely the water vapor mixture, is discharged through the air pressure generated by the fan. However, the smoke machine in the related art is noisy and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is made based on the discovery and recognition by the inventors of the following facts and problems:

in the related technology, the left side and the right side of the smoke machine are respectively provided with the air inlet mesh plate, so that the problem of independently absorbing oil smoke when the left cooker and the right cooker are used can be solved, and the efficiency of absorbing and exhausting the oil smoke is improved. However, the left and right air inlet net plates are communicated with each other, so that the left and right air inlet net plates have airflow interference when being used simultaneously, and the noise is high, thereby influencing the user experience.

Therefore, the embodiment of the utility model provides a cigarette machine is proposed, this cigarette machine's noise is little, and user experience is good.

The utility model discloses cigarette machine includes:

a chassis;

the fan is arranged in the case;

the diversion noise reduction component is arranged in the case and is arranged at intervals with the inner bottom surface of the case, the diversion noise reduction component is provided with a cavity, the cavity extends along the length direction of the diversion noise reduction component, the cross-sectional area of the cavity changes along the length direction of the diversion noise reduction component, a silencing hole is formed in the diversion noise reduction component, and the silencing hole is communicated with the cavity.

The utility model discloses a cigarette machine, the air current gets into quick-witted incasement portion from the air intake, and the part of making an uproar falls in the water conservancy diversion can be separated the air current that gets into from the air intake, avoids air current mutual interference to the noise reduction, the cross-sectional area of the interior chamber of the part of making an uproar falls in the water conservancy diversion moreover changes, can further reduce the noise of air current, and be equipped with the bloop, also can further reduce the noise that the air current produced, user experience is good. In addition, the diversion noise reduction part and the inner bottom surface of the case are arranged at intervals, so that airflow flowing is facilitated, and the air guide effect is good.

Optionally, the cross-sectional area of the chamber gradually increases in a direction toward the rear wall surface of the cabinet. The utility model discloses a cigarette machine, the part of making an uproar falls in the water conservancy diversion adopts above-mentioned design so that with the air intake adaptation of cigarette machine to in the air current steadily flows, the wind-guiding noise reduction effect is better.

Optionally, the airflow guiding and noise reducing component includes a first side plate, a second side plate and a bottom plate, the first side plate and the second side plate are arranged oppositely, the bottom plate is connected to the bottom of the first side plate and the bottom of the second side plate, the cavity is formed between the first side plate and the bottom plate and the second side plate, at least a portion of at least one of the first side plate and the second side plate bends toward the inside of the cavity, and the bottom plate and the inner bottom surface of the chassis are arranged at an interval.

The utility model discloses a cigarette machine, the at least part of at least one curb plate is to the inboard bending of cavity in first curb plate and the second curb plate, is convenient for steadily change the flow direction of air current to reduce the vibrations that produce when air current striking first curb plate or second curb plate, and then the noise that produces when reducing the oil smoke pumping, with promotion user experience.

Optionally, the airflow guiding and noise reducing component further includes a top plate, bottoms of two sides of the top plate in the width direction of the top plate are respectively connected with the first side plate and the second side plate, the first side plate extends along a direction away from the top plate and the second side plate, the second side plate extends along a direction away from the top plate and the first side plate, and an included angle is formed between the extending direction of the first side plate and the extending direction of the second side plate and the thickness direction of the top plate. The utility model discloses a cigarette machine, first curb plate and second curb plate all link to each other with the roof, and the impact force that first curb plate received the air current and the impact force that the second curb plate received the air current can offset each other to improve the stability of the part of making an uproar, and then make things convenient for the water conservancy diversion.

Optionally, the at least one side plate includes a first section, a second section, and a third section that are sequentially connected in an extending direction thereof, the first section is connected to the top plate, in a projection plane orthogonal to the length direction of the top plate, projections of the first section and the third section are both flat planes, and a projection of the second section is an arc-shaped plane. The utility model discloses a cigarette machine, the face of first curb plate and second curb plate is the curved surface approximately, is convenient for steadily change the flow direction of air current to reduce the vibrations that produce when the air current strikes first curb plate, and then the noise that produces when reducing the oil smoke pumping, in order to promote user experience.

Optionally, the chassis includes a panel, an air inlet is disposed on the panel, the flow-guiding and noise-reducing component is disposed opposite to the air inlet and located at the bottom of the fan, and a side of the first section, which is far away from the top plate, is disposed in parallel with an outer side of the panel. The utility model discloses cigarette machine, the water conservancy diversion falls the part of making an uproar and air intake mutual disposition, and the effect that the cigarette machine inhales oil smoke is better.

Optionally, an included angle α is formed between the side surface of the first segment far away from the top plate and the top surface of the top plate, and α is 5 ° to 15 °. The utility model discloses a cigarette machine, when contained angle alpha's numerical value exceeded 15 degrees, the roof will produce with the part on roof upper portion and interfere, if the part of making an uproar falls in the installation water conservancy diversion, will increase the size of quick-witted case in upper and lower direction to increase the space that the cigarette machine occupy, user experience is not good. When the included angle alpha is smaller than 5 degrees, the gap between the top plate and the part on the upper part of the top plate is too large, air flow entering the case is interfered, and the effects of flow guiding and noise reduction are not good. The utility model discloses part of making an uproar falls in water conservancy diversion, alpha are in this within range, and the effect of water conservancy diversion and making an uproar falls is better.

Optionally, the top plate has a first end and a second end arranged oppositely in the length direction of the flow guiding and noise reducing part, and the ratio of the width of the first end of the top plate to the width of the second end of the top plate is 0.5-0.7. The utility model discloses part of making an uproar falls in water conservancy diversion through the ratio of the first end of injecing the roof and second end to be convenient for first curb plate and the air intake and be parallel arrangement by a wide margin, be convenient for second curb plate and air intake and be parallel arrangement by a wide margin, be favorable to the air current at the water conservancy diversion to fall the extension direction of part of making an uproar and evenly flow, and then improve the water conservancy diversion effect of the part of making an uproar falls in the water conservancy diversion.

Optionally, the second segment has a first end and a second end arranged opposite to each other in a length direction of the flow guide and noise reduction member, and a ratio of a radius of curvature of the first end of the second segment to a radius of curvature of the second end of the second segment is 0.5-0.7. The utility model discloses a cigarette machine, through setting the second section to above-mentioned form, the wind-guiding of part of making an uproar falls in the water conservancy diversion is effectual, and the water conservancy diversion of cigarette machine is effectual.

Optionally, an included angle β is formed between the extending direction of the first section and the thickness direction of the top plate, and β is 0 ° to 10 °. The utility model discloses part of making an uproar falls in water conservancy diversion sets up contained angle beta, thereby avoids the direct striking first section of air current to produce the noise, is favorable to guiding the air current upwards flow gradually, and then promotes the water conservancy diversion and the noise reduction effect of part of making an uproar falls in the water conservancy diversion.

Optionally, the top surface of the top plate has a first side edge and a second side edge which are oppositely arranged in the width direction of the top plate, an included angle γ is formed between the first side edge and the second side edge, and γ is 15-20 °. The utility model discloses a cigarette machine becomes the contained angle setting between first side and the second side, and the second curb plate and the air intake adaptation of being convenient for are favorable to the water conservancy diversion and fall the noise with the air intake adaptation.

Optionally, the top surface of the top plate is an isosceles trapezoid. The utility model discloses a cigarette machine, the shape of roof is symmetrical figure, and the spatial structure of roof both sides is unanimous, when controlling the pan and use simultaneously, and the air current size that gets into from the cigarette machine left and right sides is the same, and it is great that one side air current can not appear, and the less condition of one side air current is favorable to the water conservancy diversion to fall the steady water conservancy diversion of carrying on of part of making an uproar and falls.

Optionally, the silencing holes are multiple and divided into multiple groups, the multiple groups of silencing holes are arranged at intervals along the height direction of the flow guide noise reduction component, and each group of silencing holes comprises multiple silencing holes arranged at intervals along the length direction of the flow guide noise reduction component. The utility model discloses a cigarette machine is equipped with a plurality of bloops on the part of making an uproar falls in the water conservancy diversion, can improve the noise reduction effect of the part of making an uproar falls in the water conservancy diversion, promotes user experience.

Optionally, the distance between adjacent silencing holes is 13mm-15 mm; and/or the silencing holes are circular holes, and the diameter of each silencing hole is 2.5mm-3.5 mm. The utility model discloses a cigarette machine can design the bloop of equidimension not as required, increases the diversification of product.

Optionally, the flow guiding and noise reducing component further comprises noise reducing cotton, the noise reducing cotton is arranged in the chamber and comprises a straight section and an arc section which are connected with each other, the straight section is adjacent to the top plate compared with the arc section, at least part of the straight section is in contact with the at least one side plate, and the arc section is bent towards the inner side of the chamber. The utility model discloses a cigarette machine sets up the amortization cotton can be in the ability of making an uproar of falling of further reinforcing cigarette machine on the basis of bloop to promote user experience.

Optionally, at least one of two ends of the flow-guiding and noise-reducing component in the length direction thereof is provided with a connecting piece, and the connecting piece is connected with the chassis. The utility model discloses a cigarette machine utilizes the connecting piece can fall the part of making an uproar with the water conservancy diversion and fix on the preceding wall of quick-witted case and/or back wall to consolidate quick-witted case, and then avoid quick-witted incasement to set up the cavity deformation of fan, improve the reliability of cigarette machine.

Optionally, a distance between the flow guide noise reduction component and the rear wall surface of the chassis is a first distance, and a ratio of the first distance to the length of the flow guide noise reduction component is 0.4 to 0.7. The utility model discloses cigarette machine falls the part of making an uproar and the back wall interval setting of quick-witted case with the water conservancy diversion, and the part of making an uproar falls in the easy to assemble water conservancy diversion, and the ratio between the length of the part of making an uproar falls in first distance and water conservancy diversion is 0.4-0.7 moreover, can avoid the water conservancy diversion to fall and produce between the back wall of the part of making an uproar and quick-witted case and whistle, and then influence user experience.

Optionally, a distance between the fan and the front wall surface of the chassis is smaller than a distance between the fan and the rear wall surface of the chassis. The utility model discloses a cigarette machine, the back wall of machine case links to each other with the wall, and the fan is located quick-witted incasement position more forward, is equipped with the interval between the rear surface of fan and the back wall of quick-witted case to in the air current of falling the part of making an uproar more smoothly enters the fan from the back of fan through the water conservancy diversion, with the effect that improves the oil pumping cigarette.

Optionally, a distance between the fan and the front wall surface of the chassis is a second distance, a distance between the front wall surface of the chassis and the rear wall surface of the chassis is a third distance, and a ratio of the second distance to the third distance is 0-0.2. The utility model discloses cigarette machine arranges fan and quick-witted case interval, is convenient for install the fan, and the ratio between second distance and the third distance is 0-0.2 moreover, can avoid the air current to produce when the fan and whistle to influence user experience.

Drawings

Fig. 1 is a schematic structural view of a flow guiding and noise reducing component according to an embodiment of the present invention.

Figure 2 is the cigarette machine of the embodiment of the utility model with a schematic partial section view.

Figure 3 is a schematic cross-sectional view of a cigarette making machine of an embodiment of the present invention at another angle.

Figure 4 is the semi-section schematic diagram of the cigarette machine of the embodiment of the utility model.

Reference numerals:

a range hood 100;

a chassis 1; a front wall surface 101; a rear wall surface 102; a panel 103;

an air inlet 10; a first air inlet 11; a second air inlet 12; a lamp assembly 13; a bracket 131;

a flow guiding and noise reducing component 2; a chamber 20; a first segment 201; a first side 2011; a second section 202; a third segment 203; a top plate 21; a first side 211; a second side edge 212; a first side panel 22; a second side plate 23; a sound deadening hole 24; sound-deadening cotton 25; a base plate 26; a connecting member 27;

a fan 3.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

For convenience of description, the up-down direction in fig. 1 is taken as the up-down direction of the cigarette maker 100, the left-right direction in fig. 1 is taken as the left-right direction of the cigarette maker 100, and the front-back direction in fig. 1 is taken as the front-back direction of the cigarette maker 100.

As shown in fig. 1 to 4, the utility model discloses cigarette machine 100 of embodiment includes quick-witted case 1, fan 3 and water conservancy diversion noise reduction part 2, fan 3 is established at quick-witted incasement 1, water conservancy diversion noise reduction part 2 establish in quick-witted case 1 and with quick-witted case 1's interior bottom surface interval arrangement, water conservancy diversion noise reduction part 2 has cavity 20, cavity 20 extends along the length direction (like the fore-and-aft direction shown in fig. 1) of water conservancy diversion noise reduction part 2, and cavity 20's cross-sectional area changes along the length direction of water conservancy diversion noise reduction part 2, be equipped with bloop 24 on the water conservancy diversion noise reduction part 2, bloop 24 and cavity 20 intercommunication.

The flow guide noise reduction component 2 extends along the front-back direction, the flow guide noise reduction component 2 is provided with a cavity 20, and the cross section area of the cavity 20 changes along the front-back direction so as to be matched with the air inlet 10, and therefore air guiding is smoother. For example, the cross-sectional area of the chamber 20 gradually increases from front to back, or the cross-sectional area of the chamber 20 gradually decreases first and then gradually increases in the front-back direction. The shape of the muffling hole 24 is not limited, and for example, the shape of the muffling hole 24 is circular, rectangular, or the like.

In the related art, airflow enters the chassis 1 from the air inlet 10, and a plurality of strands of airflow entering from the air inlet 10 interfere with each other, so that noise is relatively high, and user experience is affected.

The following indicates the air current direction of flow with the arrow point direction in fig. 2, explains the utility model discloses the working process of cigarette machine 100, and the air current gets into quick-witted incasement 1 from air intake 10 inside, and part 2 is fallen in the water conservancy diversion and separate the air current that gets into from air intake 10, avoids air current mutual interference to the noise reduction still is equipped with bloop 24 on part 2 is fallen in the water conservancy diversion moreover, and bloop 24 can further reduce the noise that the air current produced, and user experience is good. In addition, the diversion noise reduction part 2 and the inner bottom surface of the case 1 are arranged at intervals, which is beneficial to the flow of air flow and has good air guiding effect.

Therefore, the utility model discloses noise when cigarette machine 100 can reduce the oil pumping cigarette to promote user experience.

In some embodiments, as shown in fig. 1, the cross-sectional area of the chamber 20 gradually increases in a direction toward the rear wall 102 of the cabinet 1. In other words, the cross-sectional area of the chamber 20 increases gradually in the front-to-rear direction. The utility model discloses cigarette machine 100, cavity 20's cross-sectional area is along the direction crescent from the front to the back to the part 2 of making an uproar can fall with the air intake 10 adaptation of cigarette machine 100 in the water conservancy diversion, thereby the air current of being convenient for flows steadily, and then promotes the water conservancy diversion and the noise reduction of cigarette machine 100.

In some embodiments, the airflow guiding and noise reducing component 2 includes a first side plate 22, a second side plate 23, and a bottom plate 26, the first side plate 22 and the second side plate 23 are disposed opposite to each other, the bottom plate 26 is connected to a bottom of the first side plate 22 and a bottom of the second side plate 23, the cavity 20 is formed between the first side plate 22 and the second side plate 23 and the bottom plate 26, at least a portion of at least one of the first side plate 22 and the second side plate 23 is bent toward an inner side of the cavity 20, and the bottom plate 26 is disposed at a distance from an inner bottom surface of the chassis 1.

As shown in fig. 1, the left side of the airflow guiding and noise reducing component 2 is a first side plate 22, the right side of the airflow guiding and noise reducing component 2 is a second side plate 23, the lower end of the airflow guiding and noise reducing component 2 is a bottom plate 26, the front end of the airflow guiding and noise reducing component 2 is connected with the front wall surface 101 of the chassis 1, and the rear end of the airflow guiding and noise reducing component 2 is connected with the rear wall surface 102 of the chassis 1. The first side plate 22, the second side plate 23 and the bottom plate 26 together enclose the chamber 20.

The bottom plate 26 is connected with the bottom of the first side plate 22 through bolts, and the bottom plate 26 is connected with the bottom of the second side plate 23 through bolts. It is understood that the connection manner of the bottom plate 26 and the first and second side plates 22 and 23 is not limited to this, for example, the bottom plate 26 is connected to the bottom of the first side plate 22 by welding, and the bottom plate 26 is connected to the bottom of the second side plate 23 by welding.

The fact that at least part of at least one of the first side plate 22 and the second side plate 23 is bent towards the inside of the chamber means that only part of the first side plate 22 is bent and the bent part is bent towards the inside of the chamber; alternatively, only a portion of the second side plate 23 is curved, and the curved portion is curved toward the inside of the chamber; alternatively, a portion of each of the first side plate 22 and the second side plate 23 is curved; alternatively, the entire plate of the first side plate 22 and the entire plate of the second side plate 23 are curved.

The utility model discloses cigarette machine 100, the at least part of at least one curb plate is to the inboard bending of cavity in first curb plate 22 and the second curb plate 23, is convenient for steadily change the flow direction of air current to reduce the vibrations that produce when air current striking first curb plate 22 or second curb plate 23, and then the noise that produces when reducing the oil pumping cigarette, with promotion user experience.

In some embodiments, the flow guiding and noise reducing component 2 further includes a top plate 21, the bottom portions of two sides of the top plate 21 in the width direction are respectively connected to a first side plate 22 and a second side plate 23, the first side plate 22 extends in a direction away from the top plate 21 and the second side plate 23, the second side plate 23 extends in a direction away from the top plate 21 and the first side plate 22, and the extending direction of the first side plate 22 and the extending direction of the second side plate 23 both form an included angle with the thickness direction of the top plate 21.

As shown in fig. 1, the top plate 21 is disposed between the first side plate 22 and the second side plate 23, the first side plate 22 is disposed on the left side of the top plate 21, the first side plate 22 extends leftward, the extending direction of the first side plate 22 intersects with the vertical direction, the second side plate 23 is disposed on the right side of the top plate 21, the second top plate 21 extends rightward, and the extending direction of the second side plate 23 intersects with the vertical direction.

The utility model discloses cigarette machine 100, first curb plate 22 and second curb plate 23 all link to each other with roof 21, and the impact force of the air current that first curb plate 22 received and the impact force of the air current that second curb plate 23 received can offset each other to improve the stability of the part of making an uproar 2 is fallen in the water conservancy diversion, and then make things convenient for the water conservancy diversion.

Optionally, the top plate 21, the first side plate 22, and the second side plate 23 are integrally formed.

In some embodiments, as shown in fig. 1, at least one side plate includes a first section 201, a second section 202 and a third section 203 sequentially connected in an extending direction of the side plate, the first section 201 is connected with the top plate 21, a projection of the first section 201 and a projection of the third section 203 are both a flat plane in a projection plane orthogonal to a length direction of the top plate 21, and a projection of the second section 202 is an arc plane.

The fact that at least one side plate comprises a first section 201, a second section 202 and a third section 203 which are connected in sequence in the extending direction means that the first side plate 22 comprises the first section 201, the second section 202 and the third section 203; or the second side plate 23 comprises a first section 201, a second section 202 and a third section 203; alternatively, the first side panel 22 and the second side panel 23 each comprise a first section 201, a second section 202 and a third section 203.

A projection plane orthogonal to the longitudinal direction of the top plate 21 is a plane perpendicular to the front-rear direction. The projection of the first segment 201 and the projection of the third segment 203 are both flat surfaces, meaning that the plate surfaces of the first segment 201 and the third segment 203 are flat surfaces. The projection of the second segment 202 as an arc surface means that the plate surface of the second segment 202 is a curved surface.

As shown in fig. 1 and 2, taking the left-side airflow as an example, the airflow entering from the air inlet 10 first flows to the right, and then gradually changes to flow upward after being guided by the first side plate 22. The utility model discloses cigarette machine 100, first curb plate 22 face is the curved surface approximately, is convenient for steadily change the flow direction of air current to reduce the vibrations that produce when the air current strikes first curb plate 22, and then the noise that produces when reducing the oil smoke pumping, in order to promote user experience.

In some embodiments, the chassis 1 includes a panel 103, an air inlet 10 is disposed on the panel 103, the flow-guiding and noise-reducing component 2 is disposed opposite to the air inlet 10 and at the bottom of the fan 3, and a side of the first section 201 away from the top plate 21 is disposed parallel to an outer side of the panel 103.

As shown in fig. 2 and 3, 1 air inlet 10 or a plurality of air inlets 10 are provided on the panel 103. Optionally, the intake vent 10 includes a first intake vent 11 and a second intake vent 12. As can be known to those skilled in the art, the first air inlet 11 and the second air inlet 12 are not parallel, and both are arranged into a shape like a Chinese character 'ba' according to a preset included angle, the smoke exhauster 100 of the embodiment of the present invention has the advantages that the flow guiding and noise reducing component 2 and the air inlet 10 are arranged oppositely, and the smoke exhausting effect of the smoke exhauster 100 is better.

In some embodiments, the side of the first segment 201 remote from the top plate 21 is at an angle α to the top surface of the top plate 21, and α is between 5 ° and 15 °.

As shown in fig. 1, the first stage 201 extends in the up-down direction, the upper end of the first stage 201 is connected to the top plate 21, and the lower end of the first stage 201 is connected to the second stage 202. The side of the first segment 201 away from the top plate 21 is a first side surface 2011, the first side surface 2011 is a cross section of the lower end of the first segment 201, and an included angle α is formed between the cross section and the top surface of the top plate 21.

For example, the included angle α is 5 degrees, 6 degrees, 10 degrees, 15 degrees, etc. Within the range of 5 degrees to 15 degrees, the larger the value of the included angle alpha is, the better the noise reduction effect of the diversion noise reduction component 2 is, but when the value of the included angle alpha exceeds 15 degrees, the top plate 21 will interfere with the parts on the upper part of the top plate 21, if the diversion noise reduction component 2 is installed, the size of the case 1 in the vertical direction is increased, so that the space occupied by the cigarette making machine 100 is increased, and the user experience is not good. When the included angle α is smaller than 5 degrees, the gap between the top plate 21 and the part on the upper part of the top plate 21 is too large, the air flow entering the case 1 will interfere, and the effects of flow guiding and noise reduction are not good. The utility model discloses cigarette machine 100, alpha is in this within range, and the water conservancy diversion is better with the effect of making an uproar is fallen.

Optionally, the included angle α ranges from 5 degrees to 7 degrees.

The side of the first segment 201 remote from the top plate 21 is arranged parallel to the outer side of the panel 103. Therefore, an included angle α is formed between the top surface of the top plate 21 and the outer side surface of the panel 103, and since the air inlet 10 is arranged on the panel 103, the inclination angle of the panel 103 relative to the rear wall surface 102 of the chassis 1 is the same as the inclination angle of the air inlet 10 relative to the rear wall surface 102 of the chassis 1, and the flow guiding and noise reducing effects can be improved by forming the included angle α between the top surface of the top plate 21 and the air inlet 10.

In some embodiments, the top plate 21 has a first end and a second end that are oppositely disposed in a length direction (a front-rear direction as shown in fig. 1) of the flow guide noise reduction member 2, and a ratio of a width of the first end of the top plate 21 to a width of the second end of the top plate 21 is 0.5 to 0.7.

As shown in fig. 1, the first end of the top plate 21 is in front of the second end, the width of the first end is L1, the width of the second end is L2, L1 is 0.5 to 0.7 times L2, for example, L1 is 0.5, 0.6, 0.7 times L2. The utility model discloses cigarette machine 100 is through the ratio of the first end of injecing roof 21 and second end to be convenient for first curb plate 22 and first air intake 11 and be parallel arrangement substantially, be convenient for second curb plate 23 and second air intake 12 and be parallel arrangement substantially, be favorable to the air current at the ascending even flow in front and back side, and then improve the water conservancy diversion effect that the part 2 of making an uproar falls in the water conservancy diversion.

In some embodiments, the second segment 202 has a first end and a second end that are oppositely disposed in a length direction (a front-to-back direction as shown in fig. 1) of the flow guide noise reduction feature 2, and a ratio of a radius of curvature of the first end of the second segment 202 to a radius of curvature of the second end of the second segment 202 is.

As shown in FIG. 1, the first end of the second segment 202 is forward of the second end, the first end of the second segment 202 has a radius of curvature R1, the second end of the second segment 202 has a radius of curvature R2, and R1 is 0.5-0.7 times R2. For example, R1 is 0.5 times, 0.6 times, 0.7 times that of R2. The utility model discloses cigarette machine 100, the first end of second section 202 adopts the gradual change transition to the second end of second section 202, and the water conservancy diversion is effectual.

In some embodiments, the first segment 201 extends at an angle β with respect to the thickness direction (up-down direction) of the top plate 21, and β is 0 ° to 10 °.

As shown in fig. 1, the extending direction of the first segment 201 forms an angle β with the up-down direction, for example, the angle β is 0 degree, 4 degrees, 10 degrees, or 2 degrees to 8 degrees. The utility model discloses cigarette machine 100 sets up contained angle beta, thereby avoids the direct striking first section of air current to produce the noise, is favorable to guiding the air current upwards to flow gradually, and then promotes the water conservancy diversion and the noise reduction effect of part 2 of making an uproar of falling in the water conservancy diversion.

In some embodiments, the top surface of the top plate 21 has a first side edge 211 and a second side edge 212 oppositely arranged in a width direction (left-right direction) thereof, the first side edge 211 and the second side edge 212 form an included angle γ therebetween, and γ is 15 ° -20 °.

As shown in fig. 1, the first side edge 211 is a side edge located at the left side of the top plate 21, the second side edge 212 is a side edge located at the right side of the top plate 21, and an included angle γ is formed between the first side edge 211 and the second side edge 212, for example, the included angle γ is 15 degrees, 16 degrees, 19 degrees, 20 degrees, or 16 degrees to 18 degrees, and the like. The utility model discloses cigarette machine 100 becomes the contained angle setting between first side 211 and the second side 212, the first curb plate 22 and the 11 adaptations of first air intake of being convenient for, the second curb plate 23 and the 12 adaptations of second air intake of being convenient for are favorable to the water conservancy diversion and fall the noise.

In some embodiments, as shown in fig. 1, the top surface of the top plate 21 is an isosceles trapezoid. The utility model discloses cigarette machine 100, roof 21's shape are symmetrical pattern, and the spatial structure of roof 21 both sides is unanimous, when controlling the pan and use simultaneously, and the air current size that gets into from the cigarette machine 100 left and right sides is the same, and it is great that one side air current can not appear, and the less condition of one side air current is favorable to the water conservancy diversion to fall the steady water conservancy diversion of part 2 of making an uproar and fall.

In some embodiments, the silencing holes 24 are plural, the plurality of silencing holes 24 are divided into plural groups, the plural groups of silencing holes 24 are spaced along the height direction of the flow guiding and noise reducing component 2, and each group of silencing holes 24 includes plural groups of silencing holes 24 spaced along the length direction (front-back direction) of the flow guiding and noise reducing component 2.

As shown in fig. 1, a plurality of groups of muffling holes 24 are formed in each of the first side plate 22 and the second side plate 23, the plurality of groups of muffling holes 24 in each of the first side plate 22 and the second side plate 23 are spaced apart from each other in the left-right direction, and each group of muffling holes 24 includes a plurality of muffling holes 24 spaced apart from each other. The utility model discloses cigarette machine 100 is equipped with a plurality of bloops 24 on the part of making an uproar 2 falls in the water conservancy diversion, can improve the noise reduction effect of the part of making an uproar 2 falls in the water conservancy diversion, promotes user experience.

Alternatively, the plurality of groups of muffling holes 24 of one of the first side plate 22 and the second side plate 23 are arranged at intervals in the left-right direction, and the plurality of groups of muffling holes 24 of the other one are arranged in the other direction, for example, the front-back direction.

Alternatively, the muffling holes 24 can be disposed on the first section 201, or the muffling holes 24 can be disposed on the first section 201 and the second section 202, or the muffling holes 24 can be disposed on the first section 201, the second section 202, and the third section 203.

It is understood that the dampening holes 24 may be in a matrix arrangement or may be in a staggered arrangement.

In other embodiments, the dampening holes 24 may be randomly arranged.

In some embodiments, the spacing between adjacent dampening holes 24 is 13mm to 15 mm.

In some embodiments, the dampening holes 24 are circular holes, and the dampening holes 24 have a diameter of 2.5mm to 3.5 mm.

As shown in fig. 1, the distance between the centers of two adjacent muffling holes 24 is 13mm to 15mm, for example, the distance is 13mm, 14mm, 15mm, or the like. The utility model discloses cigarette machine 100 can design not the bloop 24 of equidimension as required, increases the diversification of product.

Alternatively, the intervals between the adjacent two muffling holes 24 are equal, thereby providing an aesthetic appearance and facilitating the processing.

The shape of the muffling hole 24 is circular, and for example, the diameter of the muffling hole 24 is 2.5mm, 2.8mm, 3.2mm, 3.5mm, or the like, or the diameter of the muffling hole 24 is 2.8mm to 3.2mm, or the like. Therefore, the circular silencing hole 24 is convenient to process, and the processing cost is reduced.

It will be appreciated that in other embodiments, the shape of the dampening holes 24 may be triangular, rectangular, oval, pentagram, etc.

In some embodiments, the flow guiding and noise reducing component 2 further comprises sound damping cotton 25, the sound damping cotton 25 is disposed in the chamber 20, and the sound damping cotton 25 comprises a straight section and an arc-shaped section connected to each other, the straight section is adjacent to the top plate 21 compared to the arc-shaped section, at least part of the straight section is in contact with at least one side plate, and the arc-shaped section is bent toward the inner side of the chamber 20.

As shown in fig. 2, the straight section of the silencing cotton 25 is arranged at the upper end and close to the top plate 21, and the arc section of the silencing cotton 25 is at the lower end. The straight section is connected to the side plates in various ways, for example, the left side of the straight section is in contact with the first side plate 22 or the right side of the straight section is in contact with the second side plate 23, or the left side of the straight section is in contact with the first side plate 22 and the right side of the straight section is in contact with the second side plate 23. The utility model discloses cigarette machine 100 sets up the ability of making an uproar of falling that amortization cotton 25 can further strengthen cigarette machine 100 on the basis of amortization hole 24 to promote user experience.

In other embodiments, both the straight and arcuate segments are in contact with the side plates.

Optionally, two silencing cotton 25 are provided, the two silencing cotton 25 are oppositely arranged along the left-right direction, the left side surface of the left silencing cotton 25 is in contact with the first side plate 22, and the right side surface of the right silencing cotton 25 is in contact with the second side plate 23.

Optionally, the silencing cotton 25 is made of environment-friendly flame-retardant material.

In some embodiments, at least one of two ends of the flow guiding and noise reducing component 2 in the length direction (the front-back direction shown in fig. 1) is provided with a connecting piece 27, and the connecting piece 27 is connected to the chassis 1.

As shown in fig. 3, the airflow guiding and noise reducing part 2 is connected to the cabinet 1 through a connector 27. The front end of the flow guiding and noise reducing component 2 is provided with a connecting piece 27, or the rear end of the flow guiding and noise reducing component 2 is provided with a connecting piece 27, or both the front end and the rear end of the flow guiding and noise reducing component 2 are provided with connecting pieces 27. The utility model discloses cigarette machine 100 utilizes connecting piece 27 can fix the water conservancy diversion on the preceding wall 101 of quick-witted case 1 and/or back wall 102 with the part of making an uproar 2 falls, can consolidate quick-witted case 1, and then avoids the cavity deformation that sets up fan 3 in quick-witted case 1, improves the reliability of cigarette machine.

Optionally, the connecting member 27 is an ear plate. The connecting piece 27 is connected with the chassis 1 or the flow guiding and noise reducing component 2 through bolts, or the connecting piece 27 is connected with the chassis 1 or the flow guiding and noise reducing component 2 through welding.

The number of the connecting members 27 is plural, for example, the connecting members 27 are provided with 2, 4, 6, etc.

In some embodiments, the distance between the airflow directing and noise reducing component 2 and the rear wall surface 102 of the chassis 1 is a first distance, and the ratio between the first distance and the length of the airflow directing and noise reducing component 2 (the size of the airflow directing and noise reducing component 2 in the front-rear direction) is 0.4-0.7. For example, the ratio between the first distance and the length of the flow guiding noise reduction part 2 is 0.4, 0.5, 0.7, etc. The utility model discloses cigarette machine 100 falls the part 2 and the back wall 102 interval setting of quick-witted case 1 of making an uproar with the water conservancy diversion, and the part 2 of making an uproar falls in the easy to assemble water conservancy diversion, and the ratio between the length of the part 2 of making an uproar falls in first distance and water conservancy diversion is 0.4-0.7 moreover, can avoid the water conservancy diversion to fall and produce between the back wall 102 of the part 2 of making an uproar and quick-witted case 1 and whistle, and then influence user experience.

In some embodiments, as shown in fig. 4, the distance between the fan 3 and the front wall 101 of the cabinet 1 is smaller than the distance between the fan 3 and the rear wall 102 of the cabinet 1. The front surface of the machine 100 is a front wall 101 and the rear surface of the machine 100 is a rear wall 102. Therefore, the rear wall surface 102 of the case 1 is connected with the wall, the fan 3 is positioned at the front position in the case 1, and a gap is formed between the rear surface of the fan 3 and the rear wall surface 102 of the case 1, so that air flow passing through the flow guide and noise reduction part 2 can enter the fan 3 more smoothly from the rear of the fan 3, and the oil smoke extraction effect is improved.

In some embodiments, the distance between the fan 3 and the front wall of the chassis 1 is a second distance, the distance between the front wall of the chassis 1 and the rear wall of the chassis 1 is a third distance, and a ratio of the second distance to the third distance is 0 to 0.2. For example, the second distance is 0.1 times, 0.15 times, 0.2 times, etc. the third distance. The utility model discloses cigarette machine 100 arranges fan 3 and quick-witted case 1 interval, is convenient for install fan 3, and the ratio between second distance and the third distance is 0-0.2 moreover, can avoid the air current to produce and whistle when fan 3 to influence user experience.

In some embodiments, the range hood 100 further comprises a light assembly 13, the light assembly 13 being disposed on the chassis 1 and comprising a bracket 131, the airflow directing and noise reducing feature 2 being mounted on the bracket 131.

As shown in fig. 2, a lamp assembly 13 is provided at the lower end of the range hood 100, a light source faces the kitchen ware, and a bracket 131 is provided at the back of the lamp assembly 13 (the back is in the cabinet 1) for fixing the flow guiding and noise reducing part 2. For example, the bracket 131 and the flow guiding noise reduction member 2 are fixedly connected by bolts. Further, the third section 203 of the first side plate 22 is fixedly connected with the bracket 131, and the third section 203 of the second side plate 23 is fixedly connected with the bracket 131. Therefore, the lamp assembly 13 can provide a light source, a user can use the cigarette machine at night conveniently, the lamp assembly 13 can fix the flow guide noise reduction component 2 on the cigarette machine 100, and the structure of the flow guide noise reduction component 2 is more stable.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (15)

1. A range hood, comprising:

a chassis (1);

the fan (3), the said fan (3) is set up in the said chassis (1);

flow guide noise reduction part (2), flow guide noise reduction part (2) is established in machine case (1) and with the interior bottom surface interval arrangement of machine case (1), flow guide noise reduction part (2) has cavity (20), cavity (20) are followed the length direction of flow guide noise reduction part (2) extends, just the cross-sectional area of cavity (20) is followed the length direction of flow guide noise reduction part (2) changes, be equipped with bloop (24) on flow guide noise reduction part (2), bloop (24) with cavity (20) intercommunication.

2. A machine as claimed in claim 1, characterized in that the cross-sectional area of said chamber (20) increases progressively in a direction towards the rear wall (102) of said machine casing (1).

3. The machine according to claim 1, wherein the air guide and noise reduction features (2) comprise a first side plate (22), a second side plate (23) and a bottom plate (26), the first side plate (22) and the second side plate (23) are oppositely arranged, the bottom plate (26) is connected with the bottom of the first side plate (22) and the bottom of the second side plate (23), the chamber (20) is formed between the first side plate (22), the second side plate (23) and the bottom plate (26), at least part of at least one of the first side plate (22) and the second side plate (23) is bent towards the inner side of the chamber (20), and the bottom plate (26) is arranged at a distance from the inner bottom surface of the chassis (1).

4. The machine according to claim 3, further comprising a top plate (21), wherein the bottom of the top plate (21) at both sides in the width direction thereof is connected with the first side plate (22) and the second side plate (23), respectively, the first side plate (22) extends in a direction away from the top plate (21) and the second side plate (23), the second side plate (23) extends in a direction away from the top plate (21) and the first side plate (22), and the extending direction of the first side plate (22) and the extending direction of the second side plate (23) both form an included angle with the thickness direction of the top plate (21).

5. A machine as claimed in claim 4, characterized in that said at least one side panel comprises a first section (201), a second section (202) and a third section (203) connected in succession in the extension direction thereof, said first section (201) being connected to said top panel (21), the projection of said first section (201) and the projection of said third section (203) both being flat in a plane of projection orthogonal to the length direction of said top panel (21), the projection of said second section (202) being an arc-shaped plane.

6. A machine as claimed in claim 5, characterized in that said machine box (1) comprises a panel (103), said panel (103) is provided with an air inlet (10), said air guiding and noise reducing component (2) is arranged opposite to said air inlet (10) and at the bottom of said fan (3), the side of said first section (201) far from said top plate (21) is arranged in parallel with the outer side of said panel (103).

7. A machine as claimed in claim 6, wherein the side of said first segment (201) remote from said top panel (21) is at an angle α to the top surface of said top panel (21), and α is between 5 ° and 15 °;

and/or the top plate (21) is provided with a first end part and a second end part which are oppositely arranged in the length direction of the flow guide and noise reduction part (2), and the ratio of the width of the first end part of the top plate (21) to the width of the second end part of the top plate (21) is 0.5-0.7;

and/or the second section (202) has a first end and a second end which are oppositely arranged in the length direction of the flow guiding and noise reducing component (2), and the ratio of the curvature radius of the first end of the second section (202) to the curvature radius of the second end of the second section (202) is 0.5-0.7;

and/or the extending direction of the first section (201) forms an included angle beta with the thickness direction of the top plate (21), and the beta is 0-10 degrees.

8. A machine as claimed in claim 4, characterized in that the top face of said top panel (21) has a first side edge (211) and a second side edge (212) oppositely arranged in its width direction, said first side edge (211) and said second side edge (212) forming an angle γ therebetween, γ being 15 ° -20 °;

and/or the top surface of the top plate (21) is in an isosceles trapezoid shape.

9. A machine as claimed in any one of claims 1 to 8, wherein said silencing holes (24) are plural, a plurality of said silencing holes (24) are divided into plural groups, plural groups of silencing holes (24) are arranged at intervals along the height direction of said flow guiding noise reduction member (2), each group of silencing holes (24) comprises plural said silencing holes (24) arranged at intervals along the length direction of said flow guiding noise reduction member (2).

10. A machine as claimed in claim 9, wherein the spacing between adjacent said muffling holes (24) is between 13mm and 15 mm;

and/or the silencing holes (24) are circular holes, and the diameters of the silencing holes (24) are 2.5mm-3.5 mm.

11. The machine according to any of the claims 4-8, further comprising sound deadening cotton (25), said sound deadening cotton (25) being provided within said chamber (20), and said sound deadening cotton (25) comprising a straight section and an arc section connected to each other, said straight section being adjacent to said top panel (21) compared to said arc section, at least a portion of said straight section being in contact with said at least one side panel, said arc section being curved toward the inside of said chamber (20).

12. A machine as claimed in any one of claims 1 to 8, characterized in that said flow guiding and noise reducing member (2) is provided with a connecting member (27) at least one of its longitudinal ends, said connecting member (27) being connected to said casing (1).

13. A machine as claimed in any one of claims 1 to 8, characterised in that the distance between said air guide and noise reduction means (2) and the rear wall (102) of said cabinet (1) is a first distance, the ratio between said first distance and the length of said air guide and noise reduction means (2) being 0.4-0.7.

14. A machine as claimed in any one of claims 1 to 8, characterized in that the distance between said fan (3) and the front wall (101) of said cabinet is smaller than the distance between said fan (3) and the rear wall (102) of said cabinet.

15. A machine as claimed in claim 14, characterized in that the distance between said fan (3) and the front wall (101) of said box (1) is a second distance, the distance between the front wall (101) of said box (1) and the rear wall (102) of said box (1) is a third distance, and the ratio between said second distance and said third distance is 0-0.2.

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