CN209026896U - A kind of range hood - Google Patents

Abstract

The utility model relates to a kind of range hood, including casing, the casing includes the exhaust fume collecting hood equipped with air inlet, and the smoke barrier that can be deflected with respect to exhaust fume collecting hood under the action of the drive mechanism and open and close air inlet is equipped in the front side of the exhaust fume collecting hood；The smoke barrier includes two the first smoke barriers for being located at the left and right sides and the second smoke barrier between the first smoke barrier, second smoke barrier and at least one first smoke barrier link, and the second smoke barrier air inlet that partial mulching residence is stated in the lateral direction in the case where being in close state.When the smoke barrier of the utility model is opened every time, the area that is opened of air inlet is above half, so that smoke barrier will not both oppress blower, influences air quantity；Will not because the area that is opened of air inlet is excessive, due to cause air inlet coverage area too wide, smoking do not concentrate.

Description

A kind of range hood

Technical field

The utility model belongs to kitchen household electrical appliance technical field, and in particular to a kind of range hood.

Background technique

With the improvement of living standards, various household electrical appliance rapid proliferations, range hood has become can not in Modern Family Or one of scarce machine for kitchen use equipment, for the oil smoke generated in cooking stove cooking process to be discharged.

Currently, the oil smoke of ascension is easy from exhaust fume collecting hood above pot since range hood is distant from the pot for generating oil smoke Two sides escape, causes smoke absorption effect poor.In order to improve the smoke absorption effect of range hood, has pass through setting in the prior art The structure of smoke deflector (cowling panel) prevents the range hood of fumes escaping, and such as application No. is CN201721287116.3 (bulletins Number by CN207527656U) Chinese utility model patent " a kind of near-suction type oil smoke suction machine " announced, including shell and wind Machine system, the shell include the panel inclined with horizontal direction positioned at front end, offer and are open on the panel For the air inlet of range hood, the blower fan system includes the first ternary blower and the second ternary blower being arranged in parallel, described Blower fan system is arranged in cabinet, and smoke deflector, the interval structure between the smoke deflector and panel are provided on front side of the panel At air intake passage, the air intake passage is connected to by being open with shell.When range hood does not work, smoke deflector is closed can be with The strainer and blower fan system compared with greasy dirt are hidden, so that range hood keeps neat and tidy；When range hood work, smoke deflector is beaten Drainage can be played the role of to the air of casing peripheral by opening.

In general household kitchen, the air inlet of kitchen ventilator can correspond to two kitchen ranges, and two kitchen ranges can while or only be fitted It is cooked with one.Kitchen ventilator in the prior art often only one air inlet, and air-admitting surface can not be according to practical kitchen range Service condition adjustment, i.e., the area of air intake passage is fixed when smoke deflector is opened.And user's most of the time in culinary art It will use one of kitchen range to be cooked.At this moment, another kitchen range does not use, and air inlet is corresponding two kitchen ranges and is arranged , therefore coverage area is too wide, and smoking is not concentrated, and lead to corresponding smoking port sucking on the kitchen range not used is only big The air of amount causes to lose to the air sucking of flue system and flow, finally makes the smoking efficiency of kitchen ventilator not It is high.

In view of the above-mentioned problems, the China application No. is CN201721189887.9 (notification number CN207179765U) is practical " a kind of kitchen ventilator and integrated kitchen range " that new patent is announced, the kitchen ventilator include left part smoking port, right part smoking port and Left smoke barrier and right smoke barrier, left smoke barrier is openable or covers left part smoking port, and right smoke barrier is openable or capping right part is inhaled Mouth.Due to adding left smoke barrier and right smoke barrier, to control opening or closing for the smoking port on corresponding control kitchen range, that is, work as It is opened using its corresponding smoking port when the kitchen range of one side by its corresponding smoke barrier, another side smoking port is closed by its smoke barrier It closes, in this way, when being cooked using only a kitchen range, by closing the corresponding smoking port of another side kitchen range, oil smoke can be made The smoking effect of machine is more concentrated, and the negative pressure of smoking is bigger, and the flow velocity of oil smoke faster, finally makes the better effect of fume-exhausting.

But in single stove in use, only open the smoke barrier of side, if screening of the smoke barrier that is not switched on of the other side to air inlet Capping product is excessive, can cause to oppress to blower, influence air quantity, cause negative pressure area too small, and the oil smoke of diffusion is not easy to pull back, And increase the noise of blower.

Utility model content

First technical problem to be solved in the utility model is the status for the prior art, provides a kind of energy basis The particular condition in use of single stove and double stoves and so that air inlet is opened the range hood of proper area.

Second technical problem to be solved in the utility model is the status for the prior art, is provided a kind of without every A smoke barrier is correspondingly arranged the range hood of a set of driving mechanism.

The utility model solves technical solution used by above-mentioned first technical problem are as follows: a kind of range hood, including Casing, the casing include the exhaust fume collecting hood equipped with air inlet, are equipped in the front side of the exhaust fume collecting hood and under the action of the drive mechanism can The smoke barrier for being deflected with respect to exhaust fume collecting hood and opening and closing air inlet；

It is characterized by: the smoke barrier includes being located at two the first smoke barriers of the left and right sides and positioned at first The second smoke barrier between smoke barrier, second smoke barrier and at least one first smoke barrier link, and the second gear The cigarette plate air inlet that partial mulching residence is stated in the lateral direction in the case where being in close state.

The utility model solves technical solution used by above-mentioned second technical problem are as follows: the driving mechanism includes driving Dynamic device and the linkage mechanism being arranged between the second smoke barrier and its first smoke barrier of linkage, the driving device with First smoke barrier driving is connected.Two sets of driving devices are so not only set, reduces the setting quantity of driving device, is related to Component is few, and improves the synchronism that the first smoke barrier and the second smoke barrier are opened.

Linkage structure can have a variety of structures form, it is preferable that the linkage mechanism is to be arranged in the second gear cigarette The folded edges of the side edge of plate, the folded edges are covered on the side of corresponding first smoke barrier.In this way, first gear cigarette When plate is opened, it can push the second smoke barrier is synchronous to open, when the first smoke barrier is closed, the power being applied on the second smoke barrier disappears It loses, the second smoke barrier is automatically closed under the effect of gravity, and the structure of such linkage mechanism is simple, and functional reliability is high.

Driving device can have a variety of structures form, it is preferable that the driving device includes electric pushrod, connecting rod, fixation Frame and bracket, the electric pushrod are fixed with respect to casing, and the rear end of the connecting rod and the output end of electric pushrod are rotatablely connected, even The front end of bar is rotatably installed on the fixed fixed frame of opposite casing, and the middle part of connecting rod is connected with the posterior rotation of bracket, bracket Front be fixed on the upper position of corresponding first gear cigarette back.The driving device structure is simple, and it is few to be related to component, failure rate It is low, it is effectively reliable to realize opening or closing for the first smoke barrier.

For the rotation connection convenient for fixed frame and connecting rod, the fixed frame includes the mounting plate being installed on casing and sets The front end of the first articulated jib in mounting plate lower part, the connecting rod is equipped with the second articulated jib, the first articulated jib and the second articulated jib It is rotatedly connected by shaft.

When to prevent the first smoke barrier from closing, driving device and the first smoke barrier generate interference, right on the first smoke barrier The position of connecting rod is answered to be equipped with the slot for stepping down to connecting rod, which can be connecting rod for avoiding space.

It is described to prevent using the excessive or air-admitting surface of air-admitting surface opening is too small when single stove and then oppresses blower The length of second smoke barrier in the lateral direction is 1/5th~a quarter of smoke barrier total length.Because using single stove When, if the second smoke barrier total length is greater than a quarter of smoke barrier total length, air-admitting surface opens excessive, negative pressure concentration Less effective does not efficiently use air quantity；If the second smoke barrier total length is less than 1/5th of smoke barrier total length, enter the wind Open area opening is too small, and negative pressure area is too small, and the oil smoke of diffusion is not easy to pull back, larger to blower compressing, influences air quantity, increases Big noise.

It is set on the casing there are two for incuding the inductor of oil smoke concentration, each inductor and corresponding driving The connection of mechanism electric signal.In this way, the use state and smoking state of the real-time induced cooking utensils of inductor, according to oil smoke concentration selectivity Unlatching left or right side the first smoke barrier, in other words, two the first smoke barriers are selectively opened as the case may be, Energy saving and reach optimal smoking effect.

For the ease of use and aesthetics for improving range hood, the casing further includes for showing that range hood works The display board of parameter and decorative panel for decoration, the display board and decorative panel are located above and below smoke barrier, In the state that smoke barrier is closed, the display board, smoke barrier and decorative panel are in the same plane.

For side extraction cooking fume extractor, the smoke barrier tilts backwards from top to bottom in the off state.Because of top suction type oil Smoke barrier on smoke machine is that oil smoke is scurried out forward in order to prevent, but not can guarantee the left and right sides and do not run cigarette；And side-sucking oil smoke sucking machine Smoke barrier one come it is low from oil smoke source height, oil smoke diffusion before play a role, the oil smoke ascension relative to top suction type kitchen ventilator is extremely Certain altitude carries out gear cigarette again, and effect is more preferable；Two, which carry out oil smoke, up alters, and the smoke barrier of side extraction cooking fume extractor can be perfect The oil smoke altered in partition, the left and right sides run cigarette possibility it is smaller, and the smoke barrier of top suction type kitchen ventilator not on alter partition Effect can only prevent one side from not running cigarette, and easily ram, and block the visual field.

Compared with prior art, the advantages of the utility model: 1, the smoke barrier of the utility model includes being located at the left and right sides The first smoke barrier and the second smoke barrier between two the first smoke barriers, the second smoke barrier and at least one first gear cigarette Plate linkage, and in the case where being in close state, partial mulching lives in air port to the second smoke barrier in the lateral direction, so that gear When cigarette plate is opened every time, the area that is opened of air inlet is above half, so that smoke barrier will not both oppress blower, influences Air quantity；Will not because the area that is opened of air inlet is excessive, due to cause air inlet coverage area too wide, smoking do not concentrate；2, It is provided with linkage mechanism between one smoke barrier and the second smoke barrier, the second smoke barrier is moved down in the drive of the first smoke barrier It is dynamic, without being correspondingly arranged a set of driving device on each first smoke barrier, the second smoke barrier, be related to component it is few, at This is low, failure rate is low, and improves the synchronism that the first smoke barrier and the second smoke barrier are opened；3, the utility model passes through setting Two sensors can so judge the use state of single stove or double stoves, thus according to specific feelings according to the oil smoke concentration detected The driving mechanism or drive phase with first smoke barrier on right side that the driving of condition selectivity is connected with the driving of first smoke barrier in left side Driving mechanism even opens simultaneously two driving mechanisms, energy saving and easy-to-use.

Detailed description of the invention

Fig. 1 is the structural schematic diagram (the first smoke barrier and the second smoke barrier fully open) of the utility model embodiment；

Fig. 2 is the structural schematic diagram of the other direction of Fig. 1；

Fig. 3 is the decomposition diagram of Fig. 2；

Fig. 4 is enlarged drawing at the A of Fig. 3；

Fig. 5 is enlarged drawing at the B of Fig. 3；

Fig. 6 is the schematic diagram of internal structure of Fig. 2；

Fig. 7 is the structural schematic diagram of the other direction of Fig. 6；

Fig. 8 is the decomposition diagram of the driving structure of Fig. 7；

Fig. 9 is the structural schematic diagram (the first smoke barrier of right side and the second smoke barrier are opened) of the utility model embodiment；

Figure 10 is the structural schematic diagram (the first smoke barrier of left side and the second smoke barrier are opened) of the utility model embodiment.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in Fig. 1~10, a kind of range hood of this preferred embodiment includes casing 1, and casing 1 includes being equipped with air inlet 111 exhaust fume collecting hood 11, the display board 12 for showing range hood running parameter and the decorative panel 13 for decoration, air inlet Plane 112 where 111 from top to bottom gradually tilts backwards.The front side of exhaust fume collecting hood 11 is equipped under the action of the drive mechanism can be opposite About 11 exhaust fume collecting hood deflects and makes the smoke barrier 2 of the opening and closing of air inlet 111, and display board 12 and decorative panel 13 distinguish the upper of smoke barrier 2 Side and lower section, in the state that smoke barrier 2 is closed, display board 12, smoke barrier 2 and decorative panel 13 are in the same plane.

Smoke barrier 2 includes being located at two the first smoke barriers 21 of the left and right sides and positioned at two the first smoke barriers 21 Between the second smoke barrier 22, the second smoke barrier 22 links at least one first smoke barrier 21, and the second smoke barrier 22 exists The air inlet 111 that partial mulching residence is stated in the lateral direction when under being in close state.Under 2 closed state of smoke barrier, two A first smoke barrier 21 and the second smoke barrier 22 are in the same plane, and gradually tilt backwards from top to bottom.

Driving mechanism includes driving device 3 and is arranged between the second smoke barrier 22 and its first smoke barrier 21 of linkage Linkage mechanism, the driving of driving device 3 and first smoke barrier 21 is connected, and as seen in figures 3-5, linkage mechanism is setting in institute The folded edges 223 of the side edge of the second smoke barrier 22 are stated, which is covered on the side of corresponding first smoke barrier 21 On side.

In the present embodiment, driving device 3 has two sets, and each first smoke barrier 21 is corresponding to drive phase with a set of driving mechanism 3 Even, it and opposite exhaust fume collecting hood 11 can be deflected under the driving of corresponding driving mechanism 3, and each first smoke barrier 21 and second gear cigarette Linkage mechanism 4 is equipped between plate 22, the second smoke barrier 22 moves under the action of linkage mechanism 4 with corresponding first smoke barrier 21 It is dynamic.

When the second smoke barrier 22 is upward deflected with one of first smoke barrier 21, air inlet 111 is more than the face of half Product is opened；When the second smoke barrier 22 and two piece of first smoke barrier 21 upward deflect, air inlet 111 is opened completely；When When second smoke barrier 22 is deflected down at least one of piece of the first smoke barrier 21, air inlet 111 is closed.And in first gear cigarette When plate 21 is opened, the first smoke barrier 21 offsets with the second connecting plate 42, to push the second smoke barrier 22 is synchronous to open, when first When smoke barrier 21 is closed, the power being applied on the second connecting plate 42 disappears, and the second smoke barrier 22 is automatically closed under the effect of gravity.

In the present embodiment, the length of the second smoke barrier 22 in the lateral direction be 2 total length of smoke barrier 1/5th~ The opening area of a quarter, such air inlet 111 accounts for 5th/3/5ths~eight of 111 area of air inlet.The structure is In order to prevent using excessive or 111 area of air inlet of 111 area of air inlet opening is too small when single stove and then oppresses blower.Cause exists When using single stove, if 111 area of air inlet opening is excessive, the coverage area of air inlet 111 is too wide, and negative pressure localization effects are not good enough, Air quantity is not efficiently used, smoking is not concentrated；If 111 area of air inlet opening is too small, negative pressure area is too small, and the oil smoke of diffusion is not It is easy to pull back, it is larger to blower compressing, air quantity is influenced, noise is increased.

As can be seen from figures 6 to 8, wherein driving device 3 includes electric pushrod 32, connecting rod 34, fixed frame 33 and bracket 35, electronic Push rod 32 is set to inside casing 1, and is mounted on 1 side plate of casing by mounting plate 321.Fixed frame 33 is adjacent to the first smoke barrier 21 Upper edge setting, fixed frame 33 includes the mounting plate 331 that is fixedly installed on casing 1 and set on 331 lower part of mounting plate First articulated jib 332, the front end 341 of connecting rod 34 are equipped with the second articulated jib 344, and the first articulated jib 332 and the second articulated jib 341 are logical It crosses shaft to be rotatedly connected, so that the front end of connecting rod 34 be made to be rotatably installed on fixed frame 33；The rear end of connecting rod 34 is equipped with hinge hole 342, the output end of electric pushrod 32 is equipped with articulated shaft 322, is plugged in the company of realization in hinge hole 342 by the rotation of articulated shaft 322 The rotation connection of bar 34 and electric pushrod 32；The front of bracket 35 is fixedly installed in the upper bit at corresponding first smoke barrier, 21 back side It sets, rear portion extends into be rotatedly connected with the middle part of connecting rod 34 by pin shaft 343 in casing 1 and connect.Connecting rod 34 in the process of moving, The movement of existing translation also has the movement of rotation.

In addition, driving device 3 and the first smoke barrier 21 generate interference, first when to prevent the first smoke barrier 21 from closing The position of respective link 34 is equipped with the slot 211 for stepping down to connecting rod 34 on smoke barrier 21.

As shown in figure 3, the top of the second smoke barrier 22 is rotatably connected on casing 1 by rotating mechanism with opposite exhaust fume collecting hood 11 deflections, rotating mechanism include the fixed plate 221 being fixed on casing 1 and the connector that is fixed on the second smoke barrier 22 222, connector 222 and fixed plate 221 are rotatablely connected.

As shown in Fig. 1,9,10, two are additionally provided on casing 1 for incuding the inductor 5 of oil smoke concentration, each inductor 5 Correspondence is connect with a set of 3 electric signal of driving device.During the cooking process, on the left of use when single stove, the inductor 5 in left side is (with position Driving device 3 in left side is electrically connected, which is connected with the first smoke barrier 21 driving for being located at left side) experience one Determine the oil smoke of concentration and be more than the threshold value of setting, the inductor 5 on right side (is electrically connected, the driving with the driving device 3 for being located at right side Device 3 refers to be connected with the first smoke barrier 21 driving for being located at right side) it is not felt by oil smoke or is less than given threshold, it is located at a left side First smoke barrier 21 of side is opened under the effect of corresponding driving device 3, while the second smoke barrier 22 being driven also to open, and is located at the right side First smoke barrier 21 of side is in closed state.On the right side of use when single stove, right side inductor 5 experiences certain density oil smoke simultaneously More than the threshold value of setting, left side inductor 5 is not felt by oil smoke or is less than given threshold, the first smoke barrier 21 positioned at right side It is opened under the effect of corresponding driving device 3, while the second smoke barrier 22 being driven also to open, the first smoke barrier 21 positioned at left side In closed state.When using double stoves, the inductor 5 of the left and right sides experiences the oil smoke more than given threshold concentration, and two A first smoke barrier 21 drives the second smoke barrier 22 to open simultaneously, and entire smoke barrier 2 is fully opened.

In this way, the use state and smoking state of the real-time induced cooking utensils of inductor 5, selectively turn on according to oil smoke concentration First smoke barrier 21 of left or right side, in other words, two the first smoke barriers 21 are selectively opened as the case may be, section About energy consumption and reach optimal smoking effect.

It is applied on above-mentioned side-suction type range hood in addition, the smoke barrier structure of the present embodiment is not limited to, can also be applied to On top suction type kitchen ventilator, but preferably it is applied to side-suction type range hood.

Claims (10)

1. a kind of range hood, including casing (1), the casing (1) includes the exhaust fume collecting hood (11) equipped with air inlet (111), The front side of the exhaust fume collecting hood (11), which is equipped with, can deflect with respect to exhaust fume collecting hood (11) under the action of the drive mechanism and open air inlet (111) The smoke barrier (2) closed；

It is characterized by: the smoke barrier (2) includes being located at two the first smoke barriers (21) of the left and right sides and being located at The second smoke barrier (22) between first smoke barrier (21), second smoke barrier (22) and at least one first smoke barrier (21) Linkage, and second smoke barrier (22) air inlet that partial mulching residence is stated in the lateral direction in the case where being in close state (111)。

2. range hood according to claim 1, it is characterised in that: the driving mechanism include driving device (3) and Linkage mechanism between the second smoke barrier (22) and its first smoke barrier (21) of linkage, the driving device (3) are set It is connected with first smoke barrier (21) driving.

3. range hood according to claim 2, it is characterised in that: the linkage mechanism is to be arranged in the second gear The folded edges (223) of the side edge of cigarette plate (22), the folded edges (223) are covered on the side of corresponding first smoke barrier (21) On side.

4. range hood according to claim 2, it is characterised in that: the driving device (3) include electric pushrod (32), Connecting rod (34), fixed frame (33) and bracket (35), the electric pushrod (32) is fixed with respect to casing (1), the connecting rod (34) The output end of rear end (342) and electric pushrod (32) is rotatablely connected, and the front end (341) of connecting rod (34) is rotatably installed in opposite casing On fixed fixed frame (33), the middle part of connecting rod (34) is connected with the posterior rotation of bracket (35), and the front of bracket (35) is fixed Upper position at corresponding first smoke barrier (21) back side.

5. range hood according to claim 4, it is characterised in that: the fixed frame (33) includes being installed on casing (1) On mounting plate (331) and be set to mounting plate (331) lower part the first articulated jib (332), the front end of the connecting rod (34) (341) the second articulated jib (344) are equipped with, the first articulated jib (332) and the second articulated jib (344) are rotatedly connected by shaft.

6. range hood according to claim 5, it is characterised in that: the respective link (34) on the first smoke barrier (21) Position is equipped with the slot (211) for stepping down to connecting rod (34).

7. range hood according to claim 1, it is characterised in that: second smoke barrier (22) is in the lateral direction Length is 1/5th~a quarter of smoke barrier (2) total length.

8. range hood according to claim 2, it is characterised in that: for incuding oil there are two being set on the casing (1) The inductor (5) of smoke density, each inductor (5) connect with corresponding driving device (3) electric signal.

9. range hood according to claim 1, it is characterised in that: the casing (1) further includes for showing fume-exhausting The display board (12) of machine running parameter and decorative panel (13) for decoration, the display board (12) and decorative panel (13) position respectively Above and below smoke barrier (2), in the state that smoke barrier (2) are closed, the display board (12), smoke barrier (2) and dress Plaque (13) is in the same plane.

10. range hood according to claim 1, it is characterised in that: the smoke barrier (2) in the off state from upper and Under gradually tilt backwards.