CN207778532U - Range hood - Google Patents

Abstract

The utility model discloses a kind of range hood comprising：Shell, is provided with smoking channel, smoking channel be formed with positioned at shell front side smoking port and be located on the shell the smoke outlet of side；Deflector, the front side setting of the cover shell, deflector are equipped with the blow vent being connected to smoking port；And cold plate, it is installed on the front side of deflector and is arranged with deflector interval, the front surface portion of cold plate is protruded, and is formed vertically to the first guide face of distribution and the second guide face, and the angle between the first guide face and the second guide face is more than 90 ° and is less than 180 °.So set, being conducive to improve the effect of fume exhaust.

Description

Range hood

Technical field

The utility model is related to field of kitchen electric appliance, more particularly to a kind of range hood.

Background technology

Existing range hood is usually made of shell, wind turbine, deflector, cold plate and other component, the cold plate The negative pressuren zone that range hood can not only be increased to enhance the effect of fume exhaust, while can also guide oil smoke edge The flowing of its front surface, so that oil smoke flows between cold plate and deflector.

However, the shunting effect of existing cold plate plate is poor, this allows for be formed after oil smoke is hit with cold plate The different oil smoke of multiply amount, and being spread towards the surrounding of cold plate, the place more than oil smoke amount can because oil smoke is excessive can not be whole It is sucked into range hood, the few place of oil smoke amount can then be drawn air into range hood, result in the fume-exhausting in this way Machine can not all suck oil smoke, and then influence the experience of user.

Utility model content

The main purpose of the utility model is to propose a kind of range hood, it is intended to improve the smoke absorption effect of range hood.

To achieve the above object, the utility model proposes a kind of range hood shell comprising：

Shell is provided with smoking channel, and the smoking channel is formed with smoking port and position positioned at the shell front side Smoke outlet on the upside of the shell；

Deflector, the front side setting of shell described in the cover, the deflector are equipped with the blow vent being connected to the smoking port； And

Cold plate is installed on the front side of the deflector and is arranged with the deflector interval, the preceding table of the cold plate Face part is protruded, and is formed vertically to the first guide face of distribution and the second guide face, and first guide face and described Angle between second guide face is more than 90 ° and is less than 180 °.

Preferably, the junction of first guide face and second guide face is located at the downside at the smoking port center Setting.

Preferably, the junction of first guide face and second guide face is arranged in arc transition.

Preferably, first guide face and second guide face are in that arc surface is arranged.

Preferably, the upside of the cold plate is arranged in arc-shaped, and the cold plate and institute are entered to guide flue gas It states between deflector.

Preferably, the lower portion protrusion of second guide face, forms the third being connect with second guide face and leads Stream interface, the angle between the third guide face and second guide face are more than 90 ° and less than 180 ° settings.

Preferably, the cold plate is provided through multiple through-holes of the third guide face.

Preferably, the front surface of the deflector is plane；The rear surface of the cold plate is recessed, formed from up to down according to The first guiding face of secondary arrangement, the second guiding face and with third guiding face, and first guiding face and the deflector It is formed between front surface from up to down in the first suction muffler of flaring setting, the preceding table of second guiding face and the deflector Formed between face be in from up to down tapered setting the second suction muffler, the front surface of the third guiding face and the deflector it Between formed from up to down be in tapered setting third suction muffler.

Preferably, the cold plate is formed by continuous bending vertically to the first bending section, the second folding set gradually The outer surface of curved segment and third bending section, first bending section forms first guide face, second bending section Outer surface forms the second guide face, and the outer surface of the third bending section forms the third guide face.

Preferably, side bending of the third bending section far from second bending section is formed and the third bending The flange that section is bonded in face of the surface of the deflector.

The technical solution of the utility model, by the way that the front surface portion of the cold plate of range hood is protruded setting, so that The front surface of the cold plate is formed vertically to the first guide face of distribution and the second guide face, and the first guide face and Angle between second guide face is more than 90 ° and less than 180 ° settings.It is arranged such so that when the bottom-up flowing of oil smoke, meeting It is flowed towards first guide face close to second water conservancy diversion, and along first guide face and the second guide face stream Dynamic oil smoke can be divided into three strands upwards, to the left and to the right, and three bursts of oil smoke amounts are not much different, this allows for the deflector It is not much different with the oil inlet smoke of the cold plate everywhere, to which on the one hand avoid oil smoke leads to fume-exhausting because being unevenly distributed Machine can not suck all oil smoke；Turbulent flow is generated when on the other hand also avoiding the fume exhaust, and then is caused The appearance of loud noise is led to the problem of when the range hood work, this allows for the range hood with voice broadcast and reports language When sound, user can listen clearer, and then be conducive to improve the experience of user.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of the utility model range hood；

Fig. 2 is the structural schematic diagram of shell in Fig. 1；

Fig. 3 is the structural schematic diagram of deflector in Fig. 1；

Fig. 4 is the structural schematic diagram of cold plate in Fig. 1；

Fig. 5 is another view of cold plate in Fig. 1；

Fig. 6 is the sectional view of range hood in Fig. 1.

Drawing reference numeral explanation：

Label	Title	Label	Title
				100	Range hood	34	Third guide face
10	Shell	341	Through-hole
				11	Smoking channel	30a	First bending section
111	Smoking port	30b	Second bending section
				112	Smoke outlet	30c	Third bending section
20	Deflector	35	First guiding face
				21	Blow vent	36	Second guiding face
30	Cold plate	37	Third guiding face
				40	Suction muffler	40a	First suction muffler
31	First guide face	40b	Second suction muffler
				32	Second guide face	40c	Third suction muffler
33	Upside	38	Flange

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, shall fall within the protection scope of the present invention.

If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in the picture) Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.

If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection domain of the requires of the utility model.

Existing range hood is usually made of shell, wind turbine, deflector, cold plate and other component, range hood Smoke absorption effect it is mainly related with wind turbine, deflector, cold plate, wherein cold plate primarily serve increase range hood negative pressure The effect in area, to enhance the effect of fume exhaust, however, oil smoke is usually bottom-up flowing, when oil smoke strikes It can be flowed along the surrounding of cold plate when cold plate, if if oil smoke is unevenly distributed, may result in part oil smoke can not be by oil suction Smoke machine sucks, and then influences the experience of user.In consideration of it, the utility model proposes a kind of range hoods, and mainly for oil smoke The problem of being unevenly distributed after shock cold plate, is improved the structure of cold plate, to improve the effect of fume exhaust, Fig. 1 to Fig. 4 is please referred to, Fig. 1 shows the structural schematic diagram of one embodiment of range hood of the utility model, and Fig. 2 shows Fig. 1 The structural schematic diagram of middle shell, Fig. 3 show that the structural schematic diagram of deflector in Fig. 1, Fig. 4 show the knot of cold plate in Fig. 1 Structure schematic diagram.

The range hood 100 includes：

Shell 10, is provided with smoking channel 11, and the smoking channel 11 is formed with the smoking positioned at 10 front side of the shell Mouth 111 and the smoke outlet 112 on the upside of the shell 10；

Deflector 20, the front side setting of shell 10 described in the cover, the deflector 20 are equipped with and are connected to the smoking port 111 Blow vent 21；And

Cold plate 30 is installed on the front side of the deflector 20 and is spaced setting, the cold plate with the deflector 20 30 front surface portion protrusion, forms vertically to the first guide face 31 of distribution and the second guide face 32, and described first Angle between guide face 31 and second guide face 32 is more than 90 ° and less than 180 ° settings.

Specifically, 10 generally use metal material of the shell is made, can be formed by bending, can also be logical It crosses welding to be formed, does not do specific restriction herein；Smoking channel 11 is provided in the shell 10, the smoking channel 11 is formed There is the smoke outlet 112 positioned at the smoking port 111 of the front side of the shell 10 and positioned at 10 upside of the shell, needs to illustrate It is that the smoking channel 11 itself can be formed by the shell, can also be that the spiral case being set in the shell 10 is formed, Since wind turbine with spiral case by being applied in combination, in the embodiments of the present invention, the smoking channel 11 is generally by snail Hull shape at.

The deflector 20 is installed on the front side of the shell, and the deflector 20 is provided with and the smoking port 111 connection blow vents 21, since oil smoke is bottom-up flowing, in order to make more oil smoke pass through the blow vent 21 into Enter to the smoking channel 11, the deflector 20 is obliquely installed from back to front, is had in this way convenient for more oil smoke along institute The flowing of deflector 20 is stated, and is entered in the smoking channel 11 by the blow vent 21, finally from the row in smoking channel 11 Mouth 112 is discharged.

It is described to condense the front side for being installed on the deflector 20 and be spaced setting with the deflector 20, it is possible to understand that It is that the cold plate 30 can be fixedly connected with the shell 10, can also be fixedly connected with the deflector 20, generally for Ensure the spacing between the cold plate 30 and the deflector 20, the cold plate 30 and the deflector 20 can be fixed and be connected It connects, and when the cold plate 30 is fixedly installed in 20 front side of deflector, the cold plate 30 can be by the deflector Blow vent 21 on 20 covers, this allows for entering in the smoking channel 11 by the blow vent 21 on the deflector 20 Oil smoke be merely able to be entered by the gap between the deflector 20 and the cold plate 30, i.e., the described cold plate 30 and described lead Suction muffler 40 there are one being formed between flowing plate 20, since the air of the suction muffler 40 is smaller, this allows for the wind turbine energy It is enough quickly to siphon away the air in the suction muffler 40, so that the suction muffler 40 forms a negative pressuren zone, and then make Obtaining extraneous air can quickly be sucked into the suction muffler 40, and enter in the smoking channel 11, finally be arranged Go out.

When due to the bottom-up flowing of oil smoke and striking the front surface of the cold plate 30, a part of oil smoke can be along described The surrounding of cold plate 30 is spread, but along the oil smoke of 30 surrounding of cold plate diffusion because it is unevenly distributed, and cause described 30 some places oil smoke amount of cold plate is relatively more, and some places oil smoke amount is few, and the place more than oil smoke amount can be excessive due to oil smoke amount And can not fully enter to the suction muffler 40, the few place of oil smoke amount can then be drawn air into the suction muffler 40； Another part oil smoke can rebound after bumping against cold plate 30 to be flowed round about, to by this part oil smoke capture, then need The suction muffler 40 will be increased.In view of the above problem, the front surface portion of the cold plate 30 is protruded into setting, i.e., it is described The forwardly convex setting of front surface of cold plate 30, so that the formation of the cold plate 30 has vertically the first water conservancy diversion to distribution Face 31 and the second guide face 32, and the angle between the first guide face 31 and the second guide face 32 is more than 90 ° and is less than 180 ° Setting.

According to Kang Enda effects it is found that when between fluid and body surface that it is flowed through there are when mantle friction, as long as bent Rate is little, and fluid can be flowed along body surface, that is to say, that is connect when the bottom-up flowing of oil smoke and with the cold plate 30 When touching, oil smoke can first be flowed along second guide face 32, and when oil smoke flows to first guide face 31 and described When the second guide face 32, oil smoke can flow to the first guide face 31 along second guide face 32, avoid oil smoke in this way and hit It hits after the cold plate 30 the problem of rebounding in reverse direction to occur, and along first guide face, 31 and second guide face An oil smoke part for 32 flowings is along to flowing up, and another part flows in left-right direction, and material is thus formed three plumes Measure the oil smoke that is not much different so that on the suction muffler 40, the oil smoke amount that left and right each side flows into be not much different, this The oil smoke that sample can be such that culinary art generates all is inhaled into the suction muffler 40, and then improves the oil suction of range hood 100 Cigarette effect.

The technical solution of the utility model, by the way that the front surface portion of the cold plate 30 of range hood 100 is protruded setting, So that the front surface of the cold plate 30 is formed vertically to the first guide face 31 of distribution and the second guide face 32, and the Angle between one guide face 31 and the second guide face 32 is more than 90 ° and less than 180 ° settings.It is arranged such so that oil smoke is under When flowing up, it can be flowed to first guide face 31 close to second guide face 32, and along first water conservancy diversion The oil smoke of face 31 and second guide face flowing can be divided into three strands upwards, to the left and to the right, and three bursts of oil smoke amount differences are not Greatly, this allows for the oil inlet smoke of the deflector 20 and the cold plate 30 everywhere and is not much different, on the one hand avoid Oil smoke causes range hood 100 that can not suck all oil smoke because being unevenly distributed；On the other hand the oil suction is also avoided The appearance of loud noise is led to the problem of when generating turbulent flow when 100 fume-exhausting of smoke machine, and then the range hood 100 being caused to work, When this allows for the report voice of range hood 100 with voice broadcast, user can listen clearer, and then be conducive to carry The experience of high user.

In order to enable the cold plate 30 preferably to shunt oil smoke, in an embodiment of utility model, please refer to The junction of Fig. 6, first guide face 31 and second guide face 32, which is located on the downside of 111 center of the smoking port, to be set It sets.Since to be less than the smoking port 111 centrally disposed for the junction of first guide face 31 and second guide face 32 , this allows for the maximum suction position of the suction muffler 40 between the cold plate 30 and the deflector 20 higher than described The junction of first guide face 31 and second guide face 32, this assures oil smoke to flow to along the cold plate 30 When the junction of first guide face 31 and second guide face 32, oil smoke understands the three parts that shared oil smoke is not much different And flowed towards upper, left and right three directions, it, can be by when on the one hand ensuring that oil smoke touches the cold plate 30 in this way The cold plate 30 divides three strands of oil smoke being not much different for oil smoke amount, so that oil smoke can be all from being inhaled into positioned at described Suction muffler 40 between deflector 20 and the cold plate 30；On the other hand, since 111 center of the smoking port is higher than described the The junction of one guide face 31 and second guide face 32 is arranged, that is to say, that the maximum suction position of the smoking port 111 It is positioned at the edge of the first guide face 31, this is allowed for can be quick along three strands of oil smoke that first guide face 31 flows Be sucked into the suction muffler 40, and then be conducive to improve the speed of 100 fume-exhausting of the range hood.

In order to avoid oil smoke is stranded in the junction of first guide face 31 and second guide face 32, in this practicality In a novel embodiment, the junction of first guide face 31 and second guide face 32 is arranged in arc transition, such as This setting, the corner angle for avoiding the junction of first guide face 31 and second guide face 32 are excessively sharp, and are influenced The oil smoke flowed along second guide face 32 is flowed to first guide face 31, is stranded in so as to avoid oil smoke described The junction of first guide face 31 and second guide face 32, and and cause oil smoke to the front side flow of the cold plate 30, And then the problem of influencing user experience, occurs.

Obviously, in order to avoid the junction that oil smoke is stranded in first guide face 31 and second guide face 32, also It can be realized by adjusting the angle of first guide face 31 and second guide face 32, i.e., by first guide face Angle between 31 and second guide face 32 increases to 130 °, 140 ° or 150 ° etc., certainly, first guide face Angle between 31 and second guide face 32 is that outline is less than 180 °, if first guide face 31 and described second is led If 180 ° of the angle infinite approach of stream interface 32, it may result in first guide face 31 and second guide face 32 be coplanar, The cold plate 30 can be caused to lose the effect of shunting in turn.

In order to enable oil smoke preferably to be flowed along first guide face 31 and second guide face 32, in this reality With in a novel embodiment, first guide face 31 and second guide face 32 are in that arc surface is arranged, i.e., and described the Side is protruded into convexity arc surface setting forward for one guide face 31 and second guide face 32.Due to cambered surface compared to curved surface with And for plane, cambered surface can not only guide the flowing of oil smoke, while can also catch oil smoke, and oil smoke is avoided to be led with described first When stream interface 31 or second water conservancy diversion are hit, flowed towards the direction far from first guide face 31 and second guide face 32 Dynamic, allowing for the range hood 100 in this way can smoke being sucked into for the oil smoke total number that culinary art generates in channel 11, favorably In the effect for improving 100 fume-exhausting of range hood.

It should be noted that the radius of first guide face, 31 corresponding circle can be corresponding with second guide face 32 Round radius is identical or different, does not do specific restriction herein.

In order to enable quickly to enter to the cold plate 30 to upper oil smoke along second guide face 32 In suction muffler 40 between the deflector 20, in an embodiment of the utility model, Fig. 5, the cold plate are please referred to 30 upside 33 is arranged in arc-shaped, it is to be understood that the front surface of 30 upside 33 of the cold plate, upper surface and Rear surface is formed together a spherical surface or class spherical surface, can be together constituted with by plane and cambered surface, can also be all by cambered surface It constitutes, does not do specific restriction herein.So set, on the one hand the oil smoke convenient for flowing up can be by the cold plate 30 Top edge enter in the suction muffler 40 between the cold plate 30 and the deflector 20, avoid in this way oil smoke delay Occur the problem of the upper end of the deflector 20 and the cold plate 30 is overflowed outward；On the other hand, the cold plate 30 Upside 33 in arc-shaped setting the oil smoke of itself and flowing can also be avoided to generate violent friction, thus advantageously reduce Generated noise when 100 fume-exhausting of range hood.In addition, the top edge of the cold plate 30 is arranged in arc-shaped, Also the corner of the cold plate 30 can be avoided to be excessively sharp, and it is caused to be easy to scratch deflector 20 when mounted or cut The problem of hindering operator occurs.

Further, the thickness of the upside 33 of the cold plate 30 is bottom-up gradually increases, on the cold plate 30 Side 33 can be in drops be arranged, this whole lines for allowing for 30 upside 33 of the cold plate be than milder, this Sample is advantageous for reducing the resistance that the upside 33 of the cold plate 30 generates oil smoke, and then is conducive to lead along described first The oil smoke that stream interface 31 flows can quickly bypass the upside 33 of the cold plate 30 and enter to the deflector 20 and institute It states in the suction muffler 40 between cold plate 30.In addition, due to the thickness of the upside 33 of the cold plate 30 be it is bottom-up by Cumulative to add, it is gradually to increase from up to down that this, which allows for the spacing between the upside 33 of the cold plate 30 and the deflector 20, Big, since the center of the air entry is arranged less than the upside 33 of the cold plate 30, this allows for oil smoke described in When the upside 33 of cold plate 30, the flow velocity of oil smoke be from large to small, according to Bernoulli's theorem it is found that speed is bigger, air pressure It is smaller；Speed is smaller, and air pressure is bigger, that is to say, that the atmospheric pressure value of the deflector 20 and the oil smoke outside the cold plate 30 is wanted More than the atmospheric pressure value between the deflector 20 and the cold plate 30, thus it is convenient for leading described in the quick inflow of external oil smoke Between flowing plate 20 and the cold plate 30, and then be conducive to improve the effect of the fume-exhausting of the range hood 100.

It should be noted that generated oil smoke is flowed in a bottom-up region when culinary art, not It flows in a plane, in order to make the smoke absorption effect of the raising range hood 100, one in the utility model is real It applies in example, please refers to fig. 4 to fig. 6, the lower portion protrusion of second guide face 32 forms and connects with second guide face 32 The third guide face 34 connect, the angle between the third guide face 34 and second guide face 32 are more than 90 ° and are less than 180 ° of settings, are arranged such so that the oil smoke for being located at front end can be along first guide face 31 and second guide face 32 movements, and sucked in smoking channel 11 by the range hood 100, the oil smoke for being located at rear end can be along the third water conservancy diversion Face 34 flows to second guide face 32, and with the oil smoke one flowed up with second guide face 32 in the same direction described the One guide face, 31 water conservancy diversion is dynamic, and the oil smoke for allowing for generating when culinary art in this way is capable of being sucked by the range hood 100 for total number, into And improve the effect of 100 fume-exhausting of the range hood.

Further, the cold plate 30 is additionally provided with the through-hole 341 through the third guide face 34, so set, The oil smoke hit with the third guide face 34 is allow directly to enter to the deflector 20 and institute by the through-hole 341 It states in the suction muffler 40 between cold plate 30, and then reduces and flowed to first guide face along second guide face 32 31 oil smoke amount has in this way convenient for accelerating the effect of 100 fume-exhausting of range hood.

In order to improve the effect of 100 fume-exhausting of the range hood, while when also reducing by 100 fume-exhausting of range hood Generated noise please refers to fig. 4 to fig. 6 in an embodiment of the utility model, by the rear surface of the cold plate 30, The i.e. described cold plate 30 is recessed in face of the surface of the deflector 20, so that 30 upside 33 of the cold plate and the water conservancy diversion Suction muffler 40 between plate 20 is in that flaring is arranged from up to down, the suction between 30 lower lateral section of the cold plate and the deflector 20 Air cavity 40 is bottom-up to be arranged in flaring.According to Bernoulli's theorem it is found that flow velocity is big, air pressure is with regard to smaller；Flow velocity is small, and air pressure is got over Greatly, all bigger by the flowing velocity of the oil smoke of 30 upside 33 of the cold plate and 30 lower side of cold plate, this just makes It obtains external oil smoke and is capable of being flowed to the upside 33 of the cold plate 30 and lower side for wink speed, and then be conducive to improve the suction The effect of the fume-exhausting of kitchen ventilator 100.

Further, the rear surface of the cold plate 30 is formed with is sequentially distributed the first guiding face 35, second from up to down Guiding face 36 and with third guiding face 37, and the front surface of first guiding face 35 and the deflector 20 is formed from upper It is formed from upper in the first suction muffler 40a of flaring setting, second guiding face 36 and the front surface of the deflector 20 downwards It is formed under in the second suction muffler 40b of flaring setting, the third guiding face 37 and the front surface of the deflector 20 downwards Upwards in the third suction muffler 40c of flaring setting.So set, quickly entering to first suction muffler convenient for extraneous air In 40a, the second suction muffler 40b and the third suction muffler 40c, and the air entry center is neighbouring first guiding What face 35 was arranged, this allows for entering to the first suction muffler 40a and the second suction muffler 40b at the air entry Oil smoke can quickly be entered under the driving of wind turbine in the smoking channel 11, enter to the third suction muffler 40c It is interior due to can quickly flow into the second suction muffler 40b so that the fume-exhausting that the range hood 100 is whole Effect obtained further raising.In addition, being also convenient for being condensed in the oil of 30 inner surface of the cold plate along described first Guiding face 35, second guiding face 36 and the third guiding face 37 flow downward, and thus have the collection convenient for waste oil.

It, can also be with it should be noted that first guiding face 35 can be arranged in parallel with first guide face 31 First guide face, 31 not parallel setting；Second guiding face 36 can be arranged in parallel with second guide face 32, It can be with second guide face, 32 not parallel setting；The third guiding face 37 parallel with the third guide face 34 can be set It sets, it can also be with 34 not parallel setting of the third guide face；Here, to first guiding face 35, second guiding face 36 and the third guiding specifically how to be arranged, do not do particular determination.

In the above embodiments, there are many kinds of the molding modes of the cold plate 30, for example, the cold plate 30 can be with It is formed by the welding of sheet metal parts, the cold plate 30 can be formed by sheet metal component bending, and the cold plate 30 can also pass through Casting and forming etc. does not do specific restriction at this to how the cold plate 30 is specifically molded.Fig. 4 and Fig. 5 are please referred to, preferably Ground, the cold plate 30 are formed using sheet metal component continuous bending, i.e., bent sheet metal component from back to front, to form the first bending section 30a and the second bending section 30b, and again by second bending section side section far from the first bending section 30a from backward The cold plate 30, and first bending section can be thus made to form the third bending section 30c in preceding bending The surface of protrusion form first guide face 31, the surface of the first bending section 30a recess forms first guiding The surface in face 35, the second bending section 30b protrusions forms second guide face 32, the second bending section 30b recess Surface forms second guiding face 36, and the surface of the third bending section 30c protrusions forms the third guide face 34, described The surface of third bending section 30c recess forms the third guiding face 37.So set, simplifying the production of the cold plate 30 Technique, while metal plate, during bending, intensity can also access certain enhancing, it is described cold this also have the advantage that improving 30 whole intensity of solidifying plate.

Further, side bendings of the third bending section 30c far from the second bending section 30b, formed with it is described The flange 38 that third bending section 30c is bonded in face of the surface of the deflector 20.So set, enhancing under the cold plate 30 The intensity at edge, and then avoid 30 lower edge of the cold plate and collided with or hit and lead to the problem of and go out compared with large deformation It is existing.In addition, the cold plate 30 lower edge setting flange 38 can also avoid the cold plate 30 lower edge corner The problem of being excessively sharp, and it is caused to scratch the other component of the range hood 100 or incised wound user occurs.

The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of range hood, which is characterized in that including：

Shell, is provided with smoking channel, and the smoking channel is formed with positioned at the smoking port of the shell front side and positioned at institute State the smoke outlet on the upside of shell；

Deflector, the front side setting of shell described in the cover, the deflector are equipped with the blow vent being connected to the smoking port；With And

Cold plate is installed on the front side of the deflector and is arranged with the deflector interval, the front surface part of the cold plate Point protrusion, forms vertically to the first guide face of distribution and the second guide face, and first guide face and described second Angle between guide face is more than 90 ° and is less than 180 °.

2. range hood as described in claim 1, which is characterized in that the company of first guide face and second guide face Place is met positioned at the downside at the smoking port center to be arranged.

3. range hood as described in claim 1, which is characterized in that the company of first guide face and second guide face Place is met in arc transition to be arranged.

4. range hood as described in claim 1, which is characterized in that first guide face and second guide face are in Arc surface is arranged.

5. range hood as described in claim 1, which is characterized in that the upside of the cold plate is arranged in arc-shaped, with Guiding flue gas enters between the cold plate and the deflector.

6. the range hood as described in any one of claim 1 to 5, which is characterized in that the downside of second guide face Part is protruded, and the third guide face being connect with second guide face, the third guide face and second guide face are formed Between angle be more than 90 ° and less than 180 ° setting.

7. range hood as claimed in claim 6, which is characterized in that the cold plate is provided through the third guide face Multiple through-holes.

8. range hood as claimed in claim 6, which is characterized in that the front surface of the deflector is plane；The condensation The rear surface of plate is recessed, formation arrange successively from up to down the first guiding face, the second guiding face and with third guiding face, and It is formed between first guiding face and the front surface of the deflector from up to down in the first suction muffler of flaring setting, it is described The second suction muffler from up to down in tapered setting, the third are formed between second guiding face and the front surface of the deflector The third suction muffler from up to down in tapered setting is formed between guiding face and the front surface of the deflector.

9. range hood as claimed in claim 8, which is characterized in that the cold plate is formed vertically by continuous bending To the first bending section, the second bending section and third bending section set gradually, the outer surface of first bending section forms institute The first guide face is stated, the outer surface of second bending section forms the second guide face, and the outer surface of the third bending section is formed The third guide face.

10. range hood as claimed in claim 9, which is characterized in that the third bending section is far from second bending section Side bending, form the flange that is bonded of surface that the deflector is faced with the third bending section.