CN212227153U - Smoke collecting hood and range hood - Google Patents

Abstract

The application provides a collection petticoat pipe and range hood, this collection petticoat pipe includes first fender cigarette board subassembly and second fender cigarette board subassembly, and this first fender cigarette board subassembly includes two relative first fender cigarette board components, and this second fender cigarette board subassembly includes two relative second fender cigarette board components, and this first fender cigarette board component and this second keep off the inner wall swing joint of cigarette board component respectively with the range hood box in order to switch between expansion state and the state of accomodating. Through this collection petticoat pipe cover for under the user state, first fender cigarette board subassembly and second fender cigarette board subassembly expand to strengthen holding together the cigarette effect, under non-user state, first fender cigarette board subassembly and second fender cigarette board subassembly can be accomodate, have avoided occuping more space.

Description

Smoke collecting hood and range hood

Technical Field

The utility model relates to a kitchen appliance field to more specifically relates to a collection petticoat pipe and contain range hood of this collection petticoat pipe.

Background

With the improvement of living standard of people, the requirement on kitchen cleanness is also improved, and the range hood becomes an indispensable kitchen ware in the kitchen. The air volume of the range hood on the market at present basically meets the daily use requirements of consumers, and the consumers take the appearance as an important reference index for purchasing the range hood.

When the ceiling-mounted range hood is matched with a cabinet for installation, the box body is often installed in the cabinet, and the smoke collecting hood is exposed below the cabinet. In order to achieve a better smoke collection effect, the smoke collection cavity of the range hood is usually designed to be larger, so that the range hood occupies a larger space. When the range hood is not used, the smoke collecting hood is easy to hit the head, and simultaneously, the kitchen space is visually crowded.

SUMMERY OF THE UTILITY MODEL

To the problem among the above-mentioned prior art, this application provides a collapsible collection petticoat pipe and contains range hood of this collection petticoat pipe. When the range hood is not used, the fume collecting hood can be contracted and folded by the range hood, and the kitchen looks simpler and more attractive under the condition of not sacrificing the fume collecting effect of the fume collecting hood.

In a first aspect, the utility model provides a smoke collecting hood, this smoke collecting hood include first fender cigarette board subassembly and second fender cigarette board subassembly, and this first fender cigarette board subassembly includes two relative first fender cigarette board components, and this second fender cigarette board subassembly includes two relative second fender cigarette board components, and this first fender cigarette board component and this second fender cigarette board component respectively with the inner wall swing joint of range hood box in order to switch between expansion state and the state of accomodating. Through this collection petticoat pipe cover for under the user state, first fender cigarette board subassembly and second fender cigarette board subassembly expand to strengthen holding together the cigarette effect, under non-user state, first fender cigarette board subassembly and second fender cigarette board subassembly can be accomodate, have avoided occuping more space.

In one embodiment of the first aspect, the first smoke barrier member is configured to extend or retract the range hood housing to switch between an extended state and a retracted state; the second smoke baffle component is configured to be turned and unfolded or folded relative to the range hood box body so as to be switched between an unfolded state and a folded state. Through this embodiment for first cigarette board subassembly expands and accomodates with flexible form, and second cigarette board subassembly expands and accomodates with the form of overturning.

In one embodiment of the first aspect, the first smoke barrier member comprises: a first smoke barrier; the guide rail mechanism comprises two guide rails which are vertically arranged on the opposite inner walls of the range hood box body and are parallel to each other; and the sliding mechanism is fixedly connected with the first smoke baffle plate, and two ends of the sliding mechanism are respectively provided with a first sliding block and a second sliding block so as to slide in the guide rail mechanism. By this embodiment, the first smoke barrier is made slidable along the guide rail so as to be integrally extended from or retracted into the casing.

In one embodiment of the first aspect, the first smoke barrier member comprises: the sliding driving motor is used for driving the first sliding block and the second sliding block to slide in the corresponding guide rails; or a holding unit provided on the top of at least one of the two guide rails to hold the slider fixed after the slider is slid in place. Through the embodiment, on one hand, the sliding of the sliding block in the guide rail can be electrically driven through the sliding driving motor, so that the labor is saved; on the other hand, by means of the holding unit, the first smoke barrier can be pulled out of or pushed back into the box along the guide rail manually and held in place at the holding unit.

In one embodiment of the first aspect, the sliding mechanism further comprises: the motion main shaft is fixedly connected with the first smoke baffle plate, and two ends of the motion main shaft are respectively connected with the first sliding block and the second sliding block in a rotatable manner through bearings; and the transmission unit comprises a driving gear arranged on the first sliding block and a driven gear arranged on the motion main shaft, and the driven gear is meshed with the driving gear. Through this embodiment for under the expanded condition, this first cigarette board that keeps off can be for the box with certain angular rotation, and the cigarette area is held together in the increase, strengthens holding together the cigarette effect.

In one embodiment of the first aspect, the transmission unit further comprises: and the rotary driving motor is used for driving the driving gear to rotate so as to drive the motion main shaft to rotate. Through this embodiment, make the rotation of first cigarette board relative to the box influence by the electronic control.

In one embodiment of the first aspect, in the unfolded state, an included angle between the first smoke baffle and a plane where the bottom of the box body of the range hood is located is 90 ° to 180 °.

In one embodiment of the first aspect, the motion spindle and the first smoke barrier are connected by welding or adhesive.

In one embodiment of the first aspect, the second smoke baffle member comprises: a second smoke baffle; the crank is fixedly connected with the second smoke baffle, and the bent part of the crank is hinged with a first hinge bracket fixedly arranged on the inner wall of the box body; the two ends of the electric push rod are respectively hinged with a second hinge bracket fixedly arranged on the inner wall of the box body and the free end of the crank; wherein, this electric putter can drive this crank and rotate around this first articulated support to drive this second cigarette board upset and open or fold. Through the embodiment, the second smoke baffle is enabled to overturn relative to the box body under the driving of the electric push rod and the crank.

In one embodiment of the first aspect, in the unfolded state, an included angle between the second smoke baffle and a plane where the bottom of the range hood box is located is 90 ° to 180 °.

In one embodiment of the first aspect, the crank and the second smoke barrier are connected by welding or adhesive.

In one embodiment of the first aspect, the fume collecting hood further comprises: the smoke sensor is used for sensing the oil smoke content in the environment when the range hood is not started; and the controller is used for controlling the first smoke baffle component to extend out according to the smoke content signal received from the smoke sensor and controlling the second smoke baffle component to turn open. Through this embodiment for can intelligently control the expansion of keeping off cigarette board subassembly, improve user experience.

In one embodiment of the first aspect, the area of the second baffle is half of the area of the opening of the smoke collection chamber. Through this embodiment for under non-user state, two blocks of second smoke baffles are folded and just in time are closed the collection smoke chamber, have hidden range hood's inner structure, have strengthened pleasing to the eye effect.

In one embodiment of the first aspect, the first and second smoke barrier members are each configured to extend or retract the range hood housing to switch between a deployed state and a retracted state.

In one embodiment of the first aspect, the first smoke baffle member and the second smoke baffle member are each configured to flip relative to the range hood housing to switch between an expanded state and a collapsed state.

In a second aspect, the present application also provides a range hood comprising the smoke collecting hood of the first aspect and any one of the embodiments thereof.

In one embodiment of the second aspect, the range hood further comprises a range hood housing, a fan assembly, and an oil screen.

The application provides a collection petticoat pipe and contain range hood of this collection petticoat pipe compares in prior art, has following beneficial effect:

(1) in the using state, the smoke baffle plate can be unfolded to enhance the smoke gathering effect; in a non-use state, the smoke baffle plate can be stored, so that the occupied space of the smoke collecting hood is saved;

(2) the smoke collection cavity of the range hood can be sealed under the folding state of the smoke baffle plate, so that the attractive effect is improved;

(3) through smoke transducer and controller, realize keeping off the intelligent control that the cigarette board expanded and accomodate.

The above-mentioned technical characteristics can be combined in various suitable ways or replaced by equivalent technical characteristics as long as the purpose of the invention can be achieved.

Drawings

The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:

fig. 1 shows a schematic structural diagram of a range hood according to an embodiment of the present invention;

fig. 2 shows an exploded view of a range hood according to an embodiment of the present invention;

FIG. 3 shows a schematic view of a first smoke barrier member in an expanded and stowed state in accordance with an embodiment of the present invention;

FIG. 4 shows an exploded view of a first smoke barrier member according to an embodiment of the present invention;

fig. 5 shows a schematic view of the assembly of the first smoke baffle assembly with the range hood housing according to an embodiment of the present invention;

fig. 6 shows a schematic structural view of a second smoke barrier member according to an embodiment of the invention;

fig. 7 shows an exploded view of a second smoke barrier member according to an embodiment of the invention;

fig. 8 shows a schematic view of the assembly of the second baffle assembly with the range hood housing according to an embodiment of the present invention;

fig. 9 shows a schematic view of a range hood according to an embodiment of the present invention assembled in a cabinet.

In the drawings, like parts are provided with like reference numerals. The drawings are not to scale.

List of reference numerals:

1000-range hood; 1100-smoke collecting hood; 1200-a range hood box; 1300-a fan assembly; 1400-oil net; 1110-a first smoke barrier member; 1120-a second smoke barrier member; 1111-a first smoke barrier; 1112A-a first guide rail; 1112B-a second guide rail; 1113-sliding mechanism; 1114-kinematic spindle; 1114A-a protrusion; 1115A-first slider; 1115B-a second slider; 1116A-a drive gear; 1116B-driven gear; 1117-bearing; 1121-second smoke baffle; 1122-crank; 1123-electric push rod; 1124-a first hinge support; 1125-a second hinged bracket; 2000-mounting the cabinet body.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 and fig. 2 are respectively an overall structural schematic diagram and an explosion schematic diagram of the range hood 1000 provided by the present invention. It should be understood that the structure of the smoke collecting hood provided by the application is suitable for the common top suction type range hood. As shown in fig. 1 and fig. 2, the range hood 1000 includes a smoke collecting hood 1100, a range hood box 1200, a fan assembly 1300 and an oil screen 1400, wherein the smoke collecting hood 1100 is disposed at the bottom of the range hood box 1200, an opening of a smoke collecting cavity of the smoke collecting hood is downward, and the fan assembly 1300 and the oil screen 1400 are both connected to the inside of the range hood box 1200 through screws to form an air duct system of the range hood. As shown in fig. 9, the range hood box 1200 is integrally disposed on a mounting cabinet 2000 (e.g., a cupboard) of a kitchen, for example, and the smoke collection hood is located outside the mounting cabinet 2000. The above-described configurations are conventional in the art and are well known to those skilled in the art and will not be described in detail herein.

Referring to fig. 9, the utility model provides a smoke collecting cover 1100 can be in the expansion state or take in the state for range hood box 1200 (or installation cabinet 2000). When needs use collection petticoat pipe 1100 to strengthen gathering together the cigarette effect, make the collection petticoat pipe be the expansion state, when need not use collection petticoat pipe 1100 on the contrary, make this collection petticoat pipe be the state of accomodating. Therefore, when the smoke gathering effect of the range hood 1000 is ensured, the smoke gathering hood 1100 is prevented from being exposed all the time, more space is saved, and the safety risk of touching people is reduced.

The utility model provides an in the preferred embodiment, this collection petticoat pipe 1100 includes first fender cigarette board subassembly and second fender cigarette board subassembly, and wherein, first fender cigarette board subassembly includes two first fender cigarette board components 1110 that distribute relatively, and second fender cigarette board subassembly includes two second fender cigarette board components 1120 that distribute relatively, and these four fender cigarette board components enclose the collection petticoat pipe 1100 of winding cost application to strengthen the degree of depth in collection cigarette chamber, improve and hold together the cigarette effect. The first smoke baffle assembly and the second smoke baffle assembly can extend out of or retract into the range hood box 1200, or can be turned and folded relative to the range hood box 1200, so that the smoke collecting hood 1100 is switched between the unfolding state and the storage state.

For illustrative purposes, hereinafter, the "first smoke baffle assembly is configured to extend or retract the range hood housing 1200 to switch between the extended state and the retracted state; the second smoke baffle member is configured to be turned over relative to the range hood case 1200, and the structure of switching between the unfolded state and the folded state is taken as an example to explain the smoke collecting hood 1100 provided by the present invention in detail.

As shown in fig. 2, in the smoke collecting hood 1100 provided by the present invention, the first smoke baffle 1110 can extend out/retract into the interior of the box 1200 of the range hood, and the second smoke baffle 1120 can be folded and overturned relative to the box 1200 of the range hood. That is, in the use state of the smoke collecting hood 1100, the first smoke baffle member 1110 extends out of the range hood box 1200, and the second smoke baffle member 1120 is turned over and opened relative to the range hood box 1200 to form the smoke collecting hood; in the non-use state of the smoke collecting hood 1100, the first smoke barrier member 1110 retracts into the range hood case 1200 to be hidden, and the second smoke barrier member 1120 is folded and overturned relative to the range hood case 1200.

As shown in fig. 2, in the preferred embodiment, the first smoke barrier assembly is a left and right side smoke barrier assembly (the first smoke barrier is a left and right side smoke barrier, respectively), and the second smoke barrier assembly is a front and rear side smoke barrier assembly (the second smoke barrier is a front and rear smoke barrier, respectively). However, the first smoke barrier assembly is only used for illustration and is not limited to this, and the first smoke barrier assembly may be a front-rear smoke barrier assembly, and the first smoke barrier assembly may be a left-right smoke barrier assembly.

Preferably, fig. 3-5 are schematic views of a first smoke barrier member 1110 in the preferred embodiment of the present application. In fig. 3, (a) is a schematic view of the structure of the first smoke barrier member 1110 in a retracted state, and (b) is a schematic view of the structure of the first smoke barrier member 1110 in an extended state. The first smoke barrier member 1110 includes: first keep off cigarette board 1111, guide rail mechanism and slide mechanism 1113, wherein, guide rail mechanism includes two guide rails that are parallel to each other on the relative inner wall of range hood box 1200 that respectively vertical fixed set up (for example set up through screw or gluing agent), first guide rail 1112A and second guide rail 1112B. In the case that the first smoke barrier assembly is a left and right smoke barrier assembly, the first guide rail 1112A and the second guide rail 1112B are respectively and oppositely disposed on the inner walls of the front and rear sides of the housing 1200 of the range hood (preferably disposed near the inner walls of the left and right sides). The sliding structure 1113 includes a main shaft 1114, and a first slider 1115A and a second slider 1115B disposed at two ends of the main shaft 1114, wherein the main shaft 1114 is fixedly connected to the first smoke barrier 1111, and the first slider 1115A and the second slider 1115B are respectively engaged with the first guide rail 1112A and the second guide rail 1112B and can slide therein, so as to drive the first smoke barrier 1111, which is fixedly connected to the main shaft, to move vertically upward or downward (or to form a certain included angle, such as 80 °) with the bottom of the housing of the range hood). When the sliding block slides to the top of the guide rail, the first smoke baffle 1111 retracts into the range hood box 1200, and when the sliding block slides to the bottom of the guide rail, the first smoke baffle 1111 extends out of the range hood box 1200.

Preferably, stoppers (not shown) are provided at the bottom of both guide rails equally high for preventing the slider from sliding further downwards when it slides to the bottom of the guide rails.

Preferably, stops (not shown) are provided at the top of both guide rails equally high for preventing the slider from sliding further upwards when it slides to the top of the guide rails.

As shown in fig. 4, the moving spindle 1114 is a rod-shaped structure, and is provided with at least one protrusion 1114A along an axial direction thereof for fixedly coupling the first smoke barrier 1111. Preferably, the protruding portion may be fixedly connected to the first smoke baffle 1111 by welding, adhesive or screws.

Alternatively, the two ends of the moving spindle 1114 can be fixedly connected to the first slide 1115A and the second slide 1115B, or can be movably connected.

In the embodiment of fixed connection, the first smoke baffle 1111 is parallel to the plane of the two guide rails, i.e. located in a vertical plane, and the first smoke baffle 1111 can move up and down in the vertical plane.

In the embodiment of movably connecting the two, as shown in fig. 4, bearing seats are oppositely disposed on the first slide block 1115A and the second slide block 1115B, two ends of the moving spindle 1114 may be respectively connected with the first slide block 1115A and the second slide block 1115B through bearings 1117, the two are driven by a transmission unit, the transmission unit may include a driving gear 1116A disposed on any one of the two slide blocks (e.g., the first slide block 1115A) and a driven gear 1116B disposed on the moving spindle 1114, the driving gear 1116A and the driven gear 1116B are engaged with each other, one of the driving gear 1116A or the driven gear 1116B drives the other gear under the action of a rotational torque, and further drives the first smoke baffle 1111 to pivot outwards relative to the range hood housing 1200 around the moving spindle 1114. Through this configuration, in the user state of collection petticoat pipe 1100, can increase the expansion angle of first smoke baffle 1111 for range hood box 1200, increase the open area of collection petticoat pipe, the reinforcing is held together the cigarette effect.

Preferably, in the unfolded state, an included angle between the first smoke baffle 1111 and a plane where the bottom of the range hood housing 1200 is located is 90 ° to 180 °, and more preferably 90 ° to 150 °.

It should be understood that the first smoke barrier member 1110 may be operated in either a manual or an electric mode.

In one embodiment, in the manual mode, the first smoke barrier member 1110 is manually operated to enable deployment or stowing. At least one holding unit (not shown) may be further disposed on the top of the first guide rail 1112A and/or the second guide rail 1112B along the length direction, and the holding unit can hold the slider at a designated position after the slider slides to the designated position, so as to prevent the slider and the smoke barrier from sliding downwards due to its own weight. In this way, the length of the first smoke baffle 1111 extending out of or retracting into the range hood box 1200 can be manually controlled according to the requirement, for example, in the case of a large oil smoke content, the sliding block is held in place by the holding unit at the lower part of the guide rail, so that the first smoke baffle 1111 can extend out of a large part, and in the case of a small oil smoke content, the sliding block is held in place by the holding unit at the upper part of the guide rail, so that the first smoke baffle 1111 can extend out of a small part, and the use experience of the user is further improved.

Preferably, in the electric mode, the smoke-collecting hood 1100 further comprises a sliding driving motor (not shown) which can be arranged inside at least one of the first guide rail 1112A and the second guide rail 1112B, or can be arranged at other positions so as to drive the corresponding sliding block to slide along the guide rails; more preferably, the transmission unit may further include a rotation driving motor (not shown), which may be disposed in a slider on which the driving gear 1116A is mounted, to drive the driving gear 1116A to rotate, and the driving gear 1116A drives the driven gear 1116B to rotate, and further drives the moving main shaft 1114 to rotate, so that the first soot blocking plate 1111 pivots therewith.

It should be understood that the sliding drive motor and the rotating drive motor referred to herein are control type motors known to those skilled in the art, such as servo motors or stepper motors, and are not limited herein.

In order to further improve user's use experience degree, the utility model provides a range hood 1000 can also be provided with smoke transducer (not shown) and controller (not shown), and this smoke transducer can set up in oil smoke content (concentration) in this range hood 1000's optional position in order to detect the environment, if this oil smoke content is greater than predetermined first oil smoke content threshold value or is less than predetermined second oil smoke content threshold value (first oil smoke content threshold value is greater than second oil smoke content threshold value), then sends oil smoke content signal to the controller according to this oil smoke content. In a preferred embodiment, after receiving the smoke content signal, the controller may control an alarm (e.g., a buzzer or a lamp) disposed on the range hood 1000 to remind a user of the need to manually or electrically activate the first smoke barrier assembly of the smoke collection hood 1100, so as to achieve intelligent control of the extension of the first smoke barrier member 1110.

In the above-described electric mode of operation, the controller herein can also control the output of the slide drive motor and/or the rotary drive motor to control the sliding distance of the slider in the guide rail and the pivoting angle of the first smoke barrier 1111.

As shown in fig. 5 (b), in the non-use state, the first smoke barrier member 1110 is hidden inside the range hood box 1200 and close to the inner wall of the box. When the smoke collecting hood needs to be used, no matter manual operation or electric operation is performed, the first smoke baffle 1111 firstly slides downwards along the guide rail under the driving of the sliding of the first slide block 1115A and the second slide block 1115B, so that the first smoke baffle 1111 gradually extends out of the range hood box 1200 and is in a vertical state; alternatively, as described above, the first soot barrier 1111 is then pivoted outwardly to an angle by the transmission unit, such that the first soot barrier 1111 is in a "tilted" state. Also, as shown in fig. 5 (a), when the smoke collecting hood is not needed to be used, the first smoke baffle 1111 may be pivoted inward to a vertical state by the transmission unit, and then slid upward into the range hood housing 1200 along the guide rail mechanism by the first slider 1115A and the second slider 1115B to retract into the range hood housing 1200.

Next, the second smoke damper assembly and the second smoke damper member of the present invention will be described in detail with reference to fig. 6 to 8. As described above, in fig. 6 to 8, the second smoke damper assembly is a front and rear side damper assembly that can be switched between an expanded state and a stored state in a flip-open or folded form. As shown in fig. 6 and 7, the second smoke stop member 1120 includes a second smoke stop 1121, a crank 1122, and an electric push rod 1123, a first hinge bracket 1124, and a second hinge bracket 1125. The first hinge bracket 1124 and the second hinge bracket 1125 are fixedly connected (e.g. welded, adhered by adhesive or screwed) to the inner wall of the front side of the box 1200 of the range hood along the vertical direction, the second hinge bracket 1125 is hinged to the first end of the electric push rod 1123, the first hinge bracket 1124 is hinged to the bent portion of the crank 1122, one end of the crank 1122 is at least partially fixedly connected (e.g. welded, adhered by adhesive or screwed) to the second smoke baffle 1121, and the other end (free end) is hinged to the second end of the electric push rod 1123 through the hinge slider. By controlling the extension and retraction of the electric push rod 1123, the push-pull crank 1122 can be rotated around the first hinge bracket, so as to turn over the second smoke barrier 1121, and the second smoke barrier 1121 is opened (as shown in (a) of fig. 8) and folded inwards (as shown in (b) of fig. 8).

Preferably, in the unfolded state, an included angle between the second smoke baffle 1121 and a plane where the bottom of the range hood box 1200 is located is 90 ° to 180 °, and more preferably 90 ° to 150 °.

Preferably, the two second smoke baffles 1121 of the second smoke baffle assembly can just close the opening of the smoke collection cavity of the smoke collection cover 1100 in the folded state, that is, the area of the single second smoke baffle 1121 is just half of the opening of the smoke collection cavity, so that the internal structure of the range hood 1000 can be hidden, and the aesthetic effect is improved.

As described above, the smoke sensor and the controller of the range hood 1000 can also control the second smoke barrier assembly to turn over and open through the above process, which is not described herein again.

As shown in fig. 9 (a) and (b), in one embodiment described herein, during the switching of the smoke collecting hood 1100 from the use state to the non-use state, the first smoke baffle assembly should be actuated first to retract the two first smoke baffles 1111 into the range hood housing 1200, and then the second smoke baffle assembly should be actuated to fold the two second smoke baffles 1121 inwardly to close (preferably close) the opening of the smoke collecting cavity. Conversely, during the switching of the smoke collecting hood 1100 from the non-use state to the use state, the second smoke barrier assembly should be actuated first to flip open the two opposing second smoke barriers 1121 to the vertical position (or preferably to the outwardly inclined position), and then the first smoke barrier assembly should be actuated to extend the two opposing first smoke barriers 1111 out of the range hood case 1200, whereby the two first smoke barriers 1111 and the two second smoke barriers 1121 surround the smoke collecting hood 1100 forming the present application.

While the smoke collecting hood 1100 of one embodiment of the present invention has been described above in connection with fig. 1 to 9, the smoke collecting hood 1100 may have various other structural changes, and those skilled in the art will appreciate that in these alternative preferred embodiments, the features of the first smoke baffle member and the features of the second smoke baffle member may be adapted to each other to achieve the corresponding effects. For example, in one embodiment, the first smoke barrier member and the second smoke barrier member are each configured to extend or retract the range hood housing 1200 to switch between the deployed state and the retracted state. The second smoke barrier member 1120 is shown here in an inverted form, as opposed to the form shown in figures 6-8, however it may also take the structural features of the first smoke barrier member 1110 as shown in figures 3-5, i.e., the second smoke barrier member 1120 is also shown in an extended/retracted form. For another example, in another embodiment, the first smoke barrier member and the second smoke barrier member are each configured to flip relative to the range hood housing 1200 to switch between the extended state and the folded state. The first smoke barrier member 1110 here is in a different form of inversion from that shown in figures 3-5, however it may also be in the form of an inverted open/folded form of the second smoke barrier member 1120 as shown in figures 6-8, i.e. the first smoke barrier member 1110 is also in an inverted open/folded form.

The utility model provides a smoke collecting hood and contain range hood of this smoke collecting hood, after the installation, the box of lampblack absorber is located the cupboard. When the range hood is used, the four panels can be opened to form a smoke collecting hood; after the range hood is closed, the left panel and the right panel can be retracted into the box body, and the front panel and the rear panel are folded inwards and closed. After the range hood is closed, only a door consisting of a front panel and a rear panel can be seen from the outside, so that the range hood is invisible, and the kitchen is more attractive.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims (17)

1. The utility model provides a collection petticoat pipe, its characterized in that, collection petticoat pipe includes first cigarette board subassembly and the second cigarette board subassembly of keeping off, first cigarette board subassembly that keeps off includes two relative first cigarette board components that keep off, the second cigarette board subassembly includes two relative second cigarette board components that keep off, first cigarette board component that keeps off with the second cigarette board component respectively with the inner wall swing joint of range hood box in order to switch between expansion state and storage state.

2. A smoke collection cage according to claim 1, wherein the first smoke barrier member is configured to extend or retract the range hood housing to switch between a deployed state and a retracted state; the second smoke baffle member is configured to flip open or fold with respect to the range hood housing to switch between an unfolded state and a folded state.

3. A smoke collection cage according to claim 2 wherein the first smoke baffle member comprises:

a first smoke barrier;

the guide rail mechanism comprises two guide rails which are vertically arranged on the opposite inner walls of the range hood box body and are parallel to each other; and

and the sliding mechanism is fixedly connected with the first smoke baffle plate, and two ends of the sliding mechanism are respectively provided with a first sliding block and a second sliding block so as to slide in the guide rail mechanism.

4. A smoke collection cage according to claim 3 wherein said first smoke baffle member comprises:

a sliding driving motor for driving the first slider and the second slider to slide in the corresponding guide rails; or

And a holding unit provided on the top of at least one of the two guide rails to hold the slider fixed after the slider is slid in place.

5. The smoke collection cage of claim 4, wherein the slide mechanism further comprises:

the movement main shaft is fixedly connected with the first smoke baffle plate, and two ends of the movement main shaft are respectively connected with the first sliding block and the second sliding block in a rotatable mode through bearings; and

and the transmission unit comprises a driving gear arranged on the first sliding block and a driven gear arranged on the motion main shaft, and the driven gear is meshed with the driving gear.

6. A smoke collection cage according to claim 5 wherein the drive unit further comprises:

and the rotary driving motor is used for driving the driving gear to rotate so as to drive the movement main shaft to rotate.

7. A fume collecting hood according to any one of claims 4 to 6, wherein in the unfolded state, the included angle between the first fume baffle and the plane of the bottom of the box body of the range hood is 90-180 degrees.

8. A fume collecting hood according to claim 5 or 6, wherein the motion main shaft is connected with the first fume baffle plate by welding or adhesive.

9. A fume collecting hood according to any one of claims 2 to 6, characterized in that said second baffle member comprises:

a second smoke baffle;

the crank is fixedly connected with the second smoke baffle, and the bent part of the crank is hinged with a first hinge support fixedly arranged on the inner wall of the box body; and

two ends of the electric push rod are respectively hinged with a second hinge bracket fixedly arranged on the inner wall of the box body and the free end of the crank;

the electric push rod can drive the crank to rotate around the first hinged support, so that the second smoke baffle is driven to overturn.

10. A fume collecting hood according to claim 9 wherein in the expanded state, the angle between the second fume baffle and the plane of the bottom of the range hood housing is 90 ° to 180 °.

11. A fume collecting hood according to claim 9 wherein said crank is connected to said second fume baffle by welding or adhesive.

12. A smoke collection cage according to any one of claims 2 to 6 further comprising:

the smoke sensor is used for sensing the oil smoke content in the environment when the range hood is not started; and

a controller for controlling the extension of the first smoke baffle assembly and the turning open of the second smoke baffle assembly according to the smoke content signal received from the smoke sensor.

13. A smoke collecting hood according to claim 9 wherein the area of the second smoke baffle is half of the area of the opening of the smoke collecting chamber.

14. A smoke collection cage according to claim 1, wherein the first and second smoke barrier members are each configured to extend or retract the range hood housing to switch between a deployed state and a retracted state.

15. A smoke collection cage according to claim 1, wherein the first smoke baffle member and the second smoke baffle member are each configured to flip open or fold relative to the range hood housing to switch between an expanded state and a folded state.

16. A range hood comprising a smoke collecting hood according to any one of claims 1 to 15.

17. The range hood of claim 16, further comprising a range hood housing, a fan assembly, and an oil screen.

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