CN205783158U

CN205783158U - A kind of smoke exhaust ventilator

Info

Publication number: CN205783158U
Application number: CN201620374074.6U
Authority: CN
Inventors: 吴克忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-28
Filing date: 2016-04-28
Publication date: 2016-12-07
Anticipated expiration: 2026-04-28

Abstract

The utility model discloses a kind of smoke exhaust ventilator, including housing, have with smoke exhaust ventilator hold together the first inner chamber that air port connects；Main air blower, is positioned at described first inner chamber, it is possible to make described first inner chamber form negative pressure；Described housing also has the second inner chamber being positioned at above described first inner chamber, and described housing is provided with near the side on roof and the top air inlet of described second inner space；Described second inner chamber is by vent and described first inner space, in order to described main air blower also can make described second inner chamber form negative pressure；Or, described second inner chamber does not connects with described first inner chamber, and in described second, intracavity is provided with accessory fan, and described accessory fan can make described second inner chamber form negative pressure.This smoke exhaust ventilator is high to the clean absorption rate of oil flue waste gas, it is possible to effectively guarantee kitchen environment health, and protection kitchen operating personnel's is healthy.

Description

A kind of smoke exhaust ventilator

Technical field

This utility model relates to kitchen utensils technical field, particularly relates to a kind of smoke exhaust ventilator.

Background technology

Smoke exhaust ventilator is a kind of kitchen appliance purifying kitchen environment, can be harmful by produce in cooking process Oil flue waste gas is taken away rapidly, outside discharge chamber, plays for the healthy of protection kitchen operating personnel and holding kitchen environment health Important effect.

Existing smoke exhaust ventilator mainly has top suction type and side-suction type, and below or side is provided with mouth at the kitchen range top, Its structure generally includes the housing with inner chamber, and the inner chamber of this housing connects with the air port of holding together of smoke exhaust ventilator, utilizes blower fan to aspirate The inner chamber making housing forms negative pressuren zone, thus the oil flue waste gas produced during by culinary art operation is from holding together after air port sucks to pass through exhaust duct Discharge.

But in actual application, existing smoke exhaust ventilator is the most undesirable to the clean absorption rate of kitchen fume waste gas, in culinary art Period and thereafter a period of time, in kitchen, still there is more oil flue waste gas, the health of operator in kitchen worked the mischief, Kitchen environment is polluted.

In view of this, how to improve the structure of existing smoke exhaust ventilator, to improve the smoke exhaust ventilator suction to kitchen fume waste gas Clean rate, is that those skilled in the art are presently required and solve the technical problem that.

Utility model content

The purpose of this utility model is to provide a kind of smoke exhaust ventilator, and this smoke exhaust ventilator is high to the clean absorption rate of oil flue waste gas, energy Enough effectively guaranteeing kitchen environment health, protection kitchen operating personnel's is healthy.

For solving above-mentioned technical problem, this utility model provides a kind of smoke exhaust ventilator, including:

Housing, have with smoke exhaust ventilator hold together the first inner chamber that air port connects；

Main air blower, is positioned at described first inner chamber, it is possible to make described first inner chamber form negative pressure；

Described housing also has the second inner chamber being positioned at above described first inner chamber, and described housing sets near the side on roof It is equipped with and the top air inlet of described second inner space；Described second inner chamber passes through vent and described first inner space, So that described main air blower also can make described second inner chamber form negative pressure.

As above, this smoke exhaust ventilator is provided above the second inner chamber with the first inner space at housing, this second inner chamber Air inlet near roof arrange；During smoke exhaust ventilator work, main air blower starts, and under the effect of main air blower, the first inner chamber is formed Negative pressure, also forms negative pressure with the second inner chamber of the first inner space, and so, the oil flue waste gas produced during culinary art can not only pass through Holding together air port and enter the first inner chamber, the oil flue waste gas diffusing to top, kitchen also is able to enter second by the air inlet of the second inner chamber Inner chamber, outside final discharge chamber；Visible, this smoke exhaust ventilator can not only be from the part oil produced when holding together air port suction culinary art of bottom Smoke waste gas, additionally it is possible to the oil flue waste gas diffused to above kitchen is aspirated by the air inlet above housing, with existing only from The cooking stove smoke exhaust ventilator holding together air port suction oil flue waste gas near above is compared, the clean absorption rate of the oil flue waste gas that improve, it is ensured that The overall sanitation and hygiene in kitchen, provide good working environment to kitchen operating personnel, are conducive to protection kitchen operation people Member's is healthy.

Optionally, being additionally provided with deep bead between described first inner chamber and described second inner chamber, described deep bead can be adjusted Save the aperture of described vent.

Optionally, also include air-flow plate, its for regulation by described hold together air port enter described first inner chamber wind Amount.

Optionally, described deep bead is arranged by adjusting part linkage with described air-flow plate.

Optionally, described deep bead and described housing hinge, described air-flow plate also with described housing hinge；

Described adjusting part includes connecting rod, the extension bar being fixed on described air-flow plate and is installed on smoke exhaust ventilator Ropewinder on control panel；One end of described connecting rod is hinged with described deep bead, and the other end is hinged with described extension bar；Described volume The external part of the stay cord being wound around on rope device is affixed with described extension bar.

Optionally, described adjusting part also includes positioning element, in order to make described deep bead and described air-flow plate protect Hold at adjusting position.

Optionally, described positioning element is specially positioned at the spring below described deep bead, one end of described spring and institute Stating deep bead to connect, the other end is connected with the sidewall of described housing.

This utility model also provides for another kind of smoke exhaust ventilator, including:

Described housing also has the second inner chamber being positioned at above described first inner chamber, and described housing sets near the side on roof It is equipped with and the top air inlet of described second inner space；Described second inner chamber does not connects with described first inner chamber；Described second Interior intracavity is provided with accessory fan, and described accessory fan can make described second inner chamber form negative pressure.

As above, this smoke exhaust ventilator is provided above the second inner chamber at housing equally, and the air inlet of this second inner chamber also leans on Nearly roof is arranged, and is with the difference of aforementioned smoke exhaust ventilator, and this second inner chamber and the first inner chamber do not connect, intracavity in second It is separately provided accessory fan, to form negative pressure；During smoke exhaust ventilator work, the first inner chamber forms negative pressure under the effect of main air blower, Oil flue waste gas above the suction kitchen range top, the second inner chamber forms negative pressure under the effect of accessory fan, and suction diffuses to top, kitchen Oil flue waste gas；Visible, this smoke exhaust ventilator is consistent with the principle of above-mentioned smoke exhaust ventilator, is all to hold together air port suction oil smoke from bottom On the basis of waste gas, it is also possible to the oil flue waste gas diffused to above kitchen is aspirated, say, that this smoke exhaust ventilator also carries The high clean absorption rate of oil flue waste gas, it is ensured that the overall sanitation and hygiene in kitchen.

Optionally, the exhaust outlet of described accessory fan connects with the exhaust outlet of described main air blower, described main air blower and described When accessory fan works simultaneously, the blast of described accessory fan is more than the blast of described main air blower.

Optionally, described housing includes downside coaming plate, upside coaming plate and is located at dividing plate between the two, described downside coaming plate The cavity surrounded with described dividing plate forms the cavity that described first inner chamber, described upside coaming plate and described dividing plate surround and is formed described Second inner chamber.

Optionally, described housing tip and roof have predeterminable range, and the top open design of described housing, described spacious The top air inlet of the second inner chamber described in interruption-forming.

Optionally, described housing includes downside coaming plate, upside coaming plate and is located at dividing plate between the two, described downside coaming plate The cavity surrounded with described dividing plate is provided with pipe in forming the cavity that described first inner chamber, described upside coaming plate and described dividing plate surround Part, the second inner chamber described in the segment dislocation of described pipe fitting.

Optionally, the top of described housing is stretched out in the upper end of described pipe fitting, and the upper port of described pipe fitting forms described second The top air inlet of inner chamber.

Optionally, the top of described housing, and the upper end closure design of described pipe fitting are stretched out in the upper end of described pipe fitting；Described The perisporium of pipe fitting upper end is installed with the loop pipe connected with described pipe fitting tube chamber, and the tube wall of described loop pipe has several and opens Mouthful, described opening forms the top air inlet of described second inner chamber.

Accompanying drawing explanation

Fig. 1 is the partial sectional view of this utility model provided smoke exhaust ventilator first embodiment；

Fig. 2 is the right view of smoke exhaust ventilator shown in Fig. 1；

Fig. 3 a, 3b are the partial sectional view of this utility model provided smoke exhaust ventilator the second embodiment；

Fig. 4 be in Fig. 3 A-A to sectional view；

Fig. 5 is the partial sectional view of this utility model provided smoke exhaust ventilator the 3rd embodiment；

Fig. 6 is the partial sectional view of this utility model provided smoke exhaust ventilator the 4th embodiment；

Fig. 7 is the structural representation of the exhaust duct junction of the discharge pipe of accessory fan and main air blower in Fig. 6；

Fig. 8 shows a kind of detailed description of the invention of the second inner chamber of smoke exhaust ventilator；

Fig. 9 shows the another kind of detailed description of the invention of the second inner chamber of smoke exhaust ventilator；

Figure 10 shows a kind of concrete set-up mode of the exhaust duct of smoke exhaust ventilator.

Description of reference numerals:

Housing 10, the first inner chamber 10a, the second inner chamber 10b, top air inlet 101b, downside coaming plate 11, upside coaming plate 12, Regulation coaming plate 13, dividing plate 14,14 ', vent 141, deep bead 15, air-flow plate 16, pipe fitting 17, loop pipe 18；

Main air blower 20, exhaust duct 21, accessory fan 30, discharge pipe 31；

Ropewinder 41, stay cord 411, fixed cover 412, extension bar 42, connecting rod 43, spring 44, stay cord bearing 45；

Control panel 50, smoke exhaust pipe 60, roof 70, hold together air port 80.

Detailed description of the invention

For the most high drawback of clean absorption rate to oil flue waste gas of the smoke exhaust ventilator in prior art, make herein to analyse in depth to grind Studying carefully, research finds: Chinese meal is cooked, and the oil flue waste gas that during the most fried, quick-fried, moment produces can spread rapidly to surrounding, oil pumping Cigarette machine is difficult to moment and all catches, and removes the oil flue waste gas holding together air port suction near the kitchen range top, and having greatly can be fast Speed is escaped, and diffusion swims in overhead, kitchen, it is impossible to aspirated by smoke exhaust ventilator, even if existing smoke exhaust ventilator has been designed to greatly mostly The mode of operation of air quantity, is still and cannot aspirate moment escape and the oil flue waste gas having swum in overhead, kitchen, cause cooking Prepare food period and a period of time thereafter, in kitchen, still suffer from oil flue waste gas；It addition, the employing of Wind Volume blower fan also can cause power consumption The drawbacks such as greatly, noise is high.

On the basis of the studies above finds, carry out further further investigation herein, it is proposed that solve above-mentioned technology and ask The technical scheme of topic.In order to make those skilled in the art be more fully understood that this utility model scheme, below in conjunction with the accompanying drawings and tool The utility model is described in further detail for body embodiment.

Refer to Fig. 1 to Fig. 2, Fig. 1 partial sectional view by this utility model provided smoke exhaust ventilator first embodiment；Figure The right view that 2 is smoke exhaust ventilator shown in Fig. 1.

In this embodiment, smoke exhaust ventilator includes housing 10, this housing 10 have with smoke exhaust ventilator hold together what air port 80 connected First inner chamber 10a.

Generally, smoke exhaust ventilator also includes integrally being connected and be positioned at the oil pooling hood assembly below housing with housing 10, holds together air port 80 are i.e. opened on oil pooling hood assembly, additionally, oil pooling hood assembly also includes catchment cup, light structures and control panel 50 etc., and should Part can refer to existing structure design.

Smoke exhaust ventilator also includes the main air blower 20 being located at the first inner chamber 10a, and main air blower 20 can make the first inner chamber 10a be formed Negative pressure, thus oil flue waste gas is aspirated into the first inner chamber 10a, the final smoke exhaust pipe 60 through connecting with main air blower 20 through holding together air port 80 Outside discharge chamber.

This housing 10 also has the second inner chamber 10b being positioned at above the first inner chamber 10a, and this housing 10 is near the one of roof 70 Side is provided with the top air inlet 101b connected with the second inner chamber 10b.

In this embodiment, the second inner chamber 10b connects with the first inner chamber 10a also by vent 141, in order to main air blower 20 is also The second inner chamber 10b can be made to form negative pressure.

As above, this smoke exhaust ventilator, should at the second inner chamber 10b being provided above connecting with the first inner chamber 10a of housing 10 The top air inlet 101b of the second inner chamber 10b is arranged near roof 70；During smoke exhaust ventilator work, main air blower 20 starts, at main air Under the effect of machine 20, the first inner chamber 10a forms negative pressure, and the second inner chamber 10b connected with the first inner chamber 10a also forms negative pressure, this Sample, the oil flue waste gas produced during culinary art can not only enter the first inner chamber 10a by holding together air port, runs away and diffuse to top, kitchen The top air inlet 101b that also is able to by the second inner chamber 10b of oil flue waste gas enter the second inner chamber 10b, outside final discharge chamber.

This smoke exhaust ventilator except as prior art products energy normally from hold together mouth suction cooking stove above oil flue waste gas Outward, it is also fully utilized by the characteristic of kitchen fume waste gas itself, i.e. steam and rises and readily flowed feature, side on the housing 10 It is provided with top air inlet 101b, makes escape can float towards the top of housing 10 before cooling to the oil flue waste gas above kitchen Air inlet 101b, is formed the second inner chamber 10b suction of negative pressure, overcomes the prior art products oil flue waste gas to overhead, kitchen Cannot aspirate and to the problem cannot aspirated from the oil flue waste gas holding together mouth escape；This smoke exhaust ventilator solves the most various taking out Oil flue waste gas in kitchen is inhaled sordid hard nut to crack by lampblack absorber, fundamentally improves the exhaustion of kitchen fume waste gas Rate, makes kitchen no longer be polluted by oil flue waste gas, it is ensured that the sanitation and hygiene of kitchen environment, has therefore ensured operator in kitchen Physical and mental health.

It addition, compared to the existing smoke exhaust ventilator being designed with Wind Volume mode of operation, this smoke exhaust ventilator is ensureing kitchen ring While the cleaning of border, additionally it is possible to avoid the increase of power of fan such that it is able to energy efficient, reduce and run noise, particularly may be used To reduce winter, Summer Indoor Thermal, cold air are siphoned away the energy dissipation caused in a large number, and reduce and hold public smoke discharging pipe The adverse effect that amount causes.

Certainly, this smoke exhaust ventilator also is able to make top suction type or side-suction type.

In concrete scheme, housing 10 includes downside coaming plate 11, upside coaming plate 12 and is located at dividing plate 14 between the two, its In, the cavity that downside coaming plate 11 and dividing plate 14 surround forms the cavity shape that the first inner chamber 10a, upside coaming plate 12 and dividing plate 14 surround Become the second inner chamber 10b, it is clear that the first inner chamber 10a and the second inner chamber 10b is separated by dividing plate 14.

On this basis, connection the first inner chamber 10a and the vent 141 of the second inner chamber 10b can be offered on dividing plate 14, should The big I of vent 141 sets according to the actual requirements, and the concrete shape of vent 141 does not limits, but in reality preferably For regular shape, as circular, square etc., to facilitate processing and to control.

Further, also deep bead 15 can be provided with between the first inner chamber 10a and the second inner chamber 10b, this deep bead 15 The aperture of vent 141 can be regulated, say, that the first inner chamber 10a and second can be controlled by the regulation of deep bead 15 Connection area between inner chamber 10b.

Should be appreciated that the aperture of vent 141 refers to the first inner chamber of gained compared with during vent 141 standard-sized sheet The ratio of airflow area between 10a and the second inner chamber 10b.

So, by the regulation to deep bead 15, smoke exhaust ventilator can be regulated and given up by the oil smoke of the second inner chamber 10b suction Tolerance, it is simple to operating personnel is adjusted flexibly according to the actual requirements.

When specifically arranging, deep bead 15 can have two extreme positions, and an extreme position can completely close wherein Vent 141, even if the first inner chamber 10a and the second inner chamber 10b does not connects, can fully open ventilation at another extreme position Mouth 141.

Certainly, if it is also feasible that the setting of deep bead 15 is unable to completely close vent 141, simply in contrast regulate Scope is less.

In concrete scheme, deep bead 15 is articulated with dividing plate 14, can rotate towards or away from vent 141, with reduce or Increase the aperture of vent 141.

The rotational power of deep bead 15 can have multiple set-up mode, and as manually or electrically, one of which is relatively simple Scheme is for pull by stay cord 411.Specifically, ropewinder 41 can be set inside the control panel 50 of smoke exhaust ventilator, certainly should Being wound with stay cord 411 on ropewinder 41, the external part of stay cord 411 is affixed with deep bead 15, so, by pulling stay cord 411 Deep bead 15 is driven to rotate.

Operating for ease of operating personnel, the outside of control panel 50 is provided with and controls the rotation that stay cord 411 elongates or shortens Button.

Owing to stay cord 411 is flexible piece, the arrangement in housing 10 can arrange according to the actual requirements and be adjusted flexibly, can be at shell Appropriate location in body 10 arranges fixed cover 412, so that stay cord 411 to carry out the location of necessity.

Refer to Fig. 3 a to Fig. 4, Fig. 3 a, 3b broken section by this utility model provided smoke exhaust ventilator the second embodiment Figure, respectively illustrates the position signal before regulation and after regulation of air-flow plate and deep bead；Fig. 4 be in Fig. 3 a A-A to cuing open View.

The basic structure of this embodiment is consistent with aforementioned first embodiment, and difference is: arrange further in this embodiment Air-flow plate 16, this air-flow plate 16 enters the air quantity of the first inner chamber 10a in order to regulate by holding together air port 80.

Be appreciated that air-flow plate 16 arranges position can be adjusted the air quantity entering the first inner chamber 10a, The most do not affect main air blower 20 suction for principle.

So, the oil flue waste gas amount that operating personnel is aspirated by the first inner chamber 10a also dependent on practical situation regulation, than As, if after culinary art terminates, substantial amounts of oil flue waste gas has risen quickly to overhead, kitchen, hold together and instead give up almost without oil smoke near air port 80 Gas, at this moment, so that it may by air-flow plate 16, the airflow area held together between air port 80 and the first inner chamber 10a is reduced to Little, make the aperture of vent 141 be adjusted to maximum by regulation deep bead 15 simultaneously, make smoke exhaust ventilator mainly utilize the second inner chamber The oil flue waste gas swimming in overhead, kitchen is aspirated by 10b.

In concrete scheme, the regulation of air-flow plate 16 can link with the regulation of aforementioned deep bead 15, i.e. air quantity is adjusted Joint plate 16 shares one group of adjusting part, so, the aspiration of the first inner chamber 10a and the suction of the second inner chamber 10b with deep bead 15 Amount influences each other, and operator can regulate two inner chambers i.e. top air inlet 101b and bottom simultaneously and hold together the air intake ratio of mouth.

Concrete configuration becomes, when air-flow plate 16 is in the connected state fully opening the first inner chamber 10a and hold together air port 80, Deep bead 15 is in the state completely closing vent 141, and vice versa.The most just can ensure that air-flow plate 16 and deep bead Where no matter 15 be in, and smoke exhaust ventilator can normally aspirate oil flue waste gas.

Specifically, adjusting part and air-flow plate 16, being provided that of deep bead 15

Deep bead 15 is side walls hinged with housing 10, air-flow plate 16 also side walls hinged with housing 10；It is appreciated that Also can be hinged with other positions of housing 10 or special peace is set according to actual arrangement situation deep bead 15, air-flow plate 16 Dress seat is for hinged.

Adjusting part includes connecting rod 43, be fixed on air-flow plate 16 extension bar 42 and the control being installed on smoke exhaust ventilator Ropewinder 41 on panel 50 processed；One end of connecting rod 43 is hinged with deep bead 15, and the other end is hinged with extension bar 42；On ropewinder 41 The external part of the stay cord 411 being wound around is affixed with extension bar 42.

For clear signal, air-flow plate 16 and the relation of deep bead 15 during regulation, wind time initial shown in Fig. 3 a Amount adjustable plate 16, the position of deep bead 15, air-flow plate 16, the position of deep bead 15 after regulating shown in Fig. 3 b；At the beginning of wherein During beginning position, the first inner chamber 10a connects completely with holding together air port 80, and deep bead 15 completely closes vent 141.

During regulation, operating ropewinder 41, when inwardly reeling rope 411, stay cord 411 pulls extension bar 42 to rotate, and drives and extension bar 42 affixed air-flow plates 16 rotate counterclockwise (on the basis of view shown in Fig. 3) to block air port 80, simultaneously connecting rod 43 Deep bead 15 is driven to rotate counterclockwise to open vent 141；When outwards putting stay cord 411, the action of each associated components is with above-mentioned Inversely, repeat no more.

Further, adjusting part also includes positioning element, in order to make deep bead 15 and air-flow plate 16 to keep At adjusting position.

Specifically, positioning element is the spring 44 arranged in the lower section of deep bead 15, one end of this spring 44 and deep bead 15 connect, and the other end is connected with housing 10 sidewall, and being provided with of this spring 44 helps deep bead 15 and air-flow plate 16 Position keeps.

This spring 44 can also be arranged on other positions, as between extension bar 42 and housing 10 sidewall etc..

Similar with first embodiment, in housing 10, fixed cover 412 can be set in appropriate location, so that carry out stay cord 411 must The location wanted；When needing, also can be at housing 10 sidewall fixed stay cord bearing 45, to adjust the arrangement route of stay cord 411.

Additionally, for both of the aforesaid embodiment, also can be at the outer sheathed protection set of stay cord 411, to protect stay cord 411 or convenient Arrange in its position.

Refer to Fig. 5, Fig. 5 partial sectional view by this utility model provided smoke exhaust ventilator the 3rd embodiment.

In this embodiment, smoke exhaust ventilator includes housing 10 equally, and the air port 80 of holding together that this housing 10 has with smoke exhaust ventilator connects The first logical inner chamber 10a.

Certainly, smoke exhaust ventilator also includes the main air blower 20 being located at the first inner chamber 10a, and main air blower 20 can make the first inner chamber 10a forms negative pressure, thus aspirates into the first inner chamber 10a by oil flue waste gas through holding together air port 80, and final warp connects with main air blower 20 Outside smoke exhaust pipe 60 discharge chamber.

This housing 10 also has the second inner chamber 10b being positioned at above the first inner chamber 10a, and housing 10 is near roof 70 Side be again provided with the top air inlet 101b that connects with the second inner chamber 10b.

Unlike previous embodiment, in the program, the second inner chamber 10b and the first inner chamber 10a does not connects, in second It is provided with accessory fan 30 in the 10b of chamber, makes the second inner chamber 10b form negative pressure by accessory fan 30.

As above, during the smoke exhaust ventilator work that this embodiment provides, the first inner chamber 10a is formed negative under the effect of main air blower 20 Pressure, the oil flue waste gas above the suction kitchen range top, the second inner chamber 10b forms negative pressure under the effect of accessory fan 30, and suction diffuses to The oil flue waste gas at top, kitchen；Visible, this smoke exhaust ventilator is consistent with the principle of above-mentioned smoke exhaust ventilator, is all to hold together air port from bottom On the basis of 80 suction oil flue waste gas, it is also possible to the oil flue waste gas diffused to above kitchen is aspirated, say, that this is taken out Lampblack absorber also improves the clean absorption rate of oil flue waste gas, it is ensured that the overall sanitation and hygiene in kitchen.

In concrete scheme, the composition of housing 10 is also similar with aforementioned first embodiment, including downside coaming plate 11, upper gusset Plate 12 and dividing plate 14 ', similarly, the cavity that downside coaming plate 11 and dividing plate 14 ' surround forms the first inner chamber 10a, upside coaming plate 12 The cavity surrounded with dividing plate 14 ' forms the second inner chamber 10b, owing to, in this embodiment, the first inner chamber 10a and the second inner chamber 10b is not Connection, so, in the program, dividing plate 14 ' does not have vent.

Specifically, the exhaust outlet of accessory fan 30 connects with the exhaust outlet of main air blower 20, accessory fan 30 and main air blower 20 The oil flue waste gas of suction is discharged through same smoke exhaust pipe 60, it should be noted that when accessory fan 30 and main air blower 20 work simultaneously When making, it should make the blast blast more than main air blower 20 of accessory fan 30, to ensure that accessory fan 30 can air draft smoothly.

When generally arranging, the discharge pipe of accessory fan 30 inserts the exhaust duct sidewall of main air blower 20, with both realizations air draft The connection of mouth；As it is shown in figure 5, in the program, carry out after the exhaust duct sidewall of the discharge pipe insertion main air blower 20 of accessory fan 30 Bending, so that the axis direction of accessory fan 30 exhaust outlet and main air blower 20 exhaust outlet be arranged in parallel, the most beneficially oil smoke The discharge of waste gas.

Refer to Fig. 6 and Fig. 7；Fig. 6 is the partial sectional view of this utility model provided smoke exhaust ventilator the 4th embodiment；Figure 7 is the structural representation of the exhaust duct junction of the discharge pipe of accessory fan and main air blower in Fig. 6.

This embodiment is basically identical with the structure of aforementioned third embodiment, differs only in, the discharge pipe of accessory fan 30 Do not bend after 31 exhaust duct 21 sidewalls inserting main air blower 20, so can reduce the pipeline that accessory fan 30 oil flue waste gas is discharged Resistance.

It addition, also check-valves can be respectively provided with in main air blower 20 and accessory fan 30, in order to avoid the oil smoke each discharged gives up Gas refluxes.

In foregoing embodiments, the top of housing 10 and roof 70 have a predeterminable range, and the top of housing 10 is uncovered sets Meter, the top air inlet 101b of this uncovered formation the second inner chamber 10b.

Certainly, in reality, the top of housing 10 also can directly prop up a roof 70, or sealing design, in housing 10 top ends Sidewall on offer through hole to form the top air inlet 101b of the second inner chamber 10b, so process compared to for aforementioned manner Complex.

In foregoing embodiments, the second inner chamber 10b of smoke exhaust ventilator is surrounded by upside coaming plate 12 and dividing plate, in reality, Second inner chamber 10b also can have other generation types.

As shown in Figure 8, pipe fitting 17, the tube chamber of this pipe fitting 17 can be set in the cavity that upside coaming plate 12 and dividing plate surround Form the second inner chamber 10b.

For aforementioned first embodiment and the second embodiment, pipe fitting 17 lower port is right with the exhaust outlet 141 of dividing plate 14 Should arrange.

For aforementioned third embodiment and the 4th embodiment, pipe fitting 17 lower port connects with the air inlet of accessory fan 30 Logical.

On this basis, the top of the extended housing in upper end 10 of pipe fitting 17, the upper port of pipe fitting 17 forms the second inner chamber The top air inlet 101b of 10b, this kind of mode can regulate pipe fitting 17 upper port towards.

As shown in Figure 9, it is possible to by the upper port closure designs of pipe fitting 17, fixed with pipe fitting 17 on the perisporium held thereon The loop pipe 18 that tube chamber (namely the second inner chamber 10b) connects, offers some openings on the tube wall of this loop pipe 18, and these are opened The top air inlet 101b of interruption-forming the second inner chamber 10b.So, loop pipe 18 can be arranged on the front side above the kitchen range top, the most just Being to say, operating personnel is before the kitchen range top during operation, and loop pipe 18 is positioned at the overhead of operating personnel, during smoke exhaust ventilator work, logical Cross the oil flue waste gas on the second inner chamber 10b directly timely pumping operation personnel crown, be more conducive to protect the health of kitchen operating personnel Healthy.

Additionally, for the higher situation in roof, kitchen 70, as shown in Figure 10, also can be sheathed at the upside coaming plate 12 of housing 10 Regulation coaming plate 13, regulation coaming plate 13 can stretch, to adjust the distance on housing 10 top to roof 70, the most just by opposite upper coaming plate 12 It is to say, is determined the general height of the top air inlet 101b of the second cavity 10b by the regulation of regulation coaming plate 13.This kind of feelings Under shape, smoke exhaust pipe 60 can be from side wall stretches out room.

Above a kind of smoke exhaust ventilator provided by the utility model is described in detail.Used herein the most individual Principle of the present utility model and embodiment are set forth by example, and the explanation of above example is only intended to help and understands this reality By novel method and core concept thereof.It should be pointed out that, for those skilled in the art, without departing from this On the premise of utility model principle, it is also possible to this utility model is carried out some improvement and modification, these improve and modify also to fall Enter in this utility model scope of the claims.

Claims

1. a smoke exhaust ventilator, including:

Housing (10), have with smoke exhaust ventilator hold together the first inner chamber (10a) that air port (80) connects；

Main air blower (20), is positioned at described first inner chamber (10a), it is possible to make described first inner chamber (10a) form negative pressure；

It is characterized in that, described housing (10) also has the second inner chamber (10b) being positioned at described first inner chamber (10a) top, institute State housing (10) and the side on roof (70) is provided with the top air inlet (101b) connected with described second inner chamber (10b)； Described second inner chamber (10b) is connected with described first inner chamber (10a) by vent (141), in order to described main air blower (20) is also Described second inner chamber (10b) can be made to form negative pressure.

Smoke exhaust ventilator the most according to claim 1, it is characterised in that described first inner chamber (10a) and described second inner chamber (10b) being additionally provided with deep bead (15) between, described deep bead (15) can regulate the aperture of described vent (141).

Smoke exhaust ventilator the most according to claim 2, it is characterised in that also include air-flow plate (16), it is used for regulating By described hold together air port (80) enter the air quantity of described first inner chamber (10a).

Smoke exhaust ventilator the most according to claim 3, it is characterised in that described deep bead (15) and described air-flow plate (16) arranged by adjusting part linkage.

Smoke exhaust ventilator the most according to claim 4, it is characterised in that described deep bead (15) cuts with scissors with described housing (10) Connecing, described air-flow plate (16) is also hinged with described housing (10)；

Described adjusting part includes connecting rod (43), be fixed on described air-flow plate (16) extension bar (42) and being installed on is taken out Ropewinder (41) on the control panel (50) of lampblack absorber；One end of described connecting rod (43) is hinged, separately with described deep bead (15) One end is hinged with described extension bar (42)；The external part of the upper stay cord (411) being wound around of described ropewinder (41) and described extension bar (42) Affixed.

Smoke exhaust ventilator the most according to claim 5, it is characterised in that described adjusting part also includes positioning element, in order to Described deep bead (15) and described air-flow plate (16) is made to be maintained at adjusting position.

Smoke exhaust ventilator the most according to claim 6, it is characterised in that described positioning element is specially positioned at described deep bead (15) spring (44) of lower section, one end of described spring (44) is connected with described deep bead (15), the other end and described housing (10) sidewall connects.

8. a smoke exhaust ventilator, including:

It is characterized in that, described housing (10) also has the second inner chamber (10b) being positioned at described first inner chamber (10a) top, institute State housing (10) and the side on roof (70) is provided with the top air inlet (101b) connected with described second inner chamber (10b)； Described second inner chamber (10b) does not connects with described first inner chamber (10a)；It is provided with accessory fan in described second inner chamber (10b) (30), described accessory fan (30) can make described second inner chamber (10b) form negative pressure.

Smoke exhaust ventilator the most according to claim 8, it is characterised in that the exhaust outlet of described accessory fan (30) and described master The exhaust outlet connection of blower fan (20), when described main air blower (20) and described accessory fan (30) work simultaneously, described accessory fan (30) blast is more than the blast of described main air blower (20).

10. according to the smoke exhaust ventilator described in any one of claim 1-9, it is characterised in that described housing (10) includes lower gusset Plate (11), upside coaming plate (12) and be located at dividing plate between the two, the cavity that described downside coaming plate (11) and described dividing plate surround Forming described first inner chamber (10a), the cavity that described upside coaming plate (12) and described dividing plate surround forms described second inner chamber (10b)。

11. smoke exhaust ventilators according to claim 10, it is characterised in that described housing (10) top has with roof (70) Predeterminable range, and the top open design of described housing (10), the top air intake of described second inner chamber of described uncovered formation (10b) Mouth (101b).

12. according to the smoke exhaust ventilator described in any one of claim 1-9, it is characterised in that described housing (10) includes lower gusset Plate (11), upside coaming plate (12) and be located at dividing plate between the two, the cavity that described downside coaming plate (11) and described dividing plate surround Form described first inner chamber (10a), in the cavity that described upside coaming plate (12) and described dividing plate surround, be provided with pipe fitting (17), described Second inner chamber (10b) described in the segment dislocation of pipe fitting (17).

13. smoke exhaust ventilators according to claim 12, it is characterised in that described housing is stretched out in the upper end of described pipe fitting (17) (10) top, the upper port of described pipe fitting (17) forms the top air inlet (101b) of described second inner chamber (10b).

14. smoke exhaust ventilators according to claim 12, it is characterised in that described housing is stretched out in the upper end of described pipe fitting (17) (10) top, and the upper end closure design of described pipe fitting (17)；The perisporium of described pipe fitting (17) upper end is installed with and described pipe The loop pipe (18) of part (17) tube chamber connection, the tube wall of described loop pipe (18) has several openings, and described opening forms institute State the top air inlet (101b) of the second inner chamber (10b).