CN210292016U - Range hood and device with range hood - Google Patents

Abstract

The utility model provides a range hood and have range hood's device, range hood includes: a body provided with an accommodating cavity; the fume collecting hood assembly is arranged on the machine body in a lifting manner and is provided with an air inlet suitable for entering oil smoke, and the fume collecting hood assembly is in an unfolding state extending out of the accommodating cavity and in a containing state accommodated in the accommodating cavity; the fume collecting hood assembly comprises at least two stages of fume collecting hoods, and the adjacent two stages of fume collecting hoods are mutually communicated when the fume collecting hood assembly is in the unfolded state and at least partially overlapped when the fume collecting hood assembly is in the storage state; at least one first drive device adapted to drive the fume collection hood assembly to switch between the deployed state and the stowed state. When in use, the requirement on the height of the air inlet can be fully met; when the range hood is not used, the height of the accommodating cavity can be reduced to a certain extent, and then the height of the machine body is reduced.

Description

Range hood and device with range hood

Technical Field

The utility model relates to a kitchen utensil technical field, concretely relates to range hood and have range hood's device.

Background

The smoke and kitchen range integrated machine has become an important category of the range hood due to the compact structure and the good smoking capability thereof, which is rapidly developed in recent years. The existing integrated smoke stove on the market is mainly divided into a fixed type, a lifting type and a turnover type. The smoke collecting hood of the fixed all-in-one machine is fixedly installed, has a simple structure, but cannot be hidden, so that a large space is still occupied when the smoke collecting hood is not used; the smoke collecting hood of the turnover type all-in-one machine can rotate through the rotating shaft to cover the kitchen range, but danger is possibly generated due to the waste heat of the kitchen range; the smoke collecting hood of the lifting type all-in-one machine can be lifted up through the lifting driving device when in use, and can be lowered to the lower part of the cabinet to be hidden after being used, so that normal use can be met, and a large space can be prevented from being occupied when the smoke collecting hood is not used. The existing lifting type integrated machine comprises a machine body, wherein a smoke collecting cover is arranged on the machine body, an air inlet suitable for sucking oil smoke is formed in the smoke collecting cover, the smoke collecting cover extends out of the machine body under the action of a driving device to be used as oil smoke suction, or retracts into the machine body completely, so that the smoke collecting cover is stored when the oil smoke suction is not needed, and the space occupation is reduced. However, above-mentioned over-and-under type all-in-one, when the air intake on the needs collection petticoat pipe is higher apart from cooking utensils, need do collection petticoat pipe self than higher, this height that just requires organism self is enough high also, just can realize accomodating completely to collection petticoat pipe, and this will lead to the height of organism too big, and the space that occupies is also great.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the great defect in space that the time body occuped when the cigarette kitchen all-in-one among the prior art is not using to a range hood that can reduce the occupation space of organism and the device that has range hood is provided.

The utility model provides a range hood, include:

a body provided with an accommodating cavity;

the fume collecting hood assembly is arranged on the machine body in a lifting manner and is provided with an air inlet suitable for entering oil smoke, and the fume collecting hood assembly is in an unfolding state extending out of the accommodating cavity and in a containing state accommodated in the accommodating cavity; the fume collecting hood assembly comprises at least two stages of fume collecting hoods, and the adjacent two stages of fume collecting hoods are mutually communicated when the fume collecting hood assembly is in the unfolded state and at least partially overlapped when the fume collecting hood assembly is in the storage state;

at least one first drive device adapted to drive the fume collection hood assembly to switch between the deployed state and the stowed state.

The air inlet is at least arranged on the smoke collecting cover far away from the machine body when the smoke collecting cover assembly is in the unfolding state.

The smoke collecting hood of any stage is connected with the smoke collecting hood of the adjacent stage in a nested manner.

And each stage of smoke collecting hood in the smoke collecting hood assembly synchronously lifts and descends under the action of the first driving device.

Each level of fume collecting hood in the fume collecting hood assembly is driven by the same first driving device to synchronously lift.

The collection petticoat pipe subassembly includes first order collection petticoat pipe and second level collection petticoat pipe at least collection petticoat pipe subassembly is in during the expansion state, first order collection petticoat pipe is located second level collection petticoat pipe is kept away from one side of organism is at least be equipped with on the first order collection petticoat pipe the air intake.

The second-stage smoke collecting hood is nested outside the first-stage smoke collecting hood and is provided with a abdication cavity suitable for containing the first-stage smoke collecting hood; the first-stage smoke collecting hood is provided with a first state extending out of the abdicating cavity and a second state accommodated in the abdicating cavity.

The first driving device includes:

a power plant having a power output shaft adapted to output rotational power;

and the transmission mechanism is suitable for driving the first-stage smoke collecting hood and the second-stage smoke collecting hood to do lifting motion under the driving of the power device.

The transmission mechanism includes:

at least one first-stage pulley fixedly arranged on the second-stage smoke collection cover;

one end of the first-stage rope is fixedly connected with the machine body, and the other end of the first-stage rope is fixedly connected with the first-stage smoke collecting hood through the first-stage pulley;

the second-stage pulley is fixedly arranged on the machine body;

at least one second-stage rope is wound on the power output shaft and passes through the second-stage pulley and the second-stage smoke collecting cover.

The number of the primary pulleys is two; the number of the first-stage ropes is two, and the first-stage ropes are arranged in one-to-one correspondence with the first-stage pulleys.

The second-stage pulleys are arranged on two opposite sides of the machine body respectively, the second-stage rope is wound on the power output shaft, and two ends of the second-stage rope respectively pass around the corresponding second-stage pulleys and are fixedly connected with corresponding sides of the second-stage smoke collecting hood.

The transmission mechanism further comprises a first-stage guide structure for guiding the first-stage smoke collecting hood relative to the lifting motion of the second-stage smoke collecting hood.

The first stage guide structure comprises:

the first-stage sliding rail is arranged on the second-stage smoke collection cover;

the first-stage sliding block is arranged on the first-stage smoke collection cover and fixedly connected with the first-stage rope.

The transmission mechanism further comprises a second-stage guide structure for guiding the second-stage smoke collecting hood relative to the lifting motion of the machine body.

The second stage guide structure comprises:

the second-stage sliding rail is arranged on the machine body;

and the second-stage sliding block is arranged on the second-stage smoke collection cover and is fixedly connected with the second-stage rope.

The power device is a winch.

The longitudinal sections of the fume collecting hoods at all levels are vertical planes.

The cooking device also comprises a smoke guide structure which is arranged above the air inlet and is suitable for guiding cooking exhaust oil smoke into the air inlet.

The smoke guide structure is provided with an opening state for opening the air inlet and a closing state for closing the air inlet.

The smoke guiding structure is suitable for being switched between the opening state and the closing state.

The utility model also provides a device with range hood, including foretell range hood.

The device with the range hood is a smoke and kitchen integrated machine.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a range hood, include: a body provided with an accommodating cavity; the fume collecting hood assembly is arranged on the machine body in a lifting manner and is provided with an air inlet suitable for entering oil smoke, and the fume collecting hood assembly is in an unfolding state extending out of the accommodating cavity and in a containing state accommodated in the accommodating cavity; the fume collecting hood assembly comprises at least two stages of fume collecting hoods, and the adjacent two stages of fume collecting hoods are mutually communicated when the fume collecting hood assembly is in the unfolded state and at least partially overlapped when the fume collecting hood assembly is in the storage state; at least one first drive device adapted to drive the fume collection hood assembly to switch between the deployed state and the stowed state. The smoke collecting hood assembly comprises at least two stages of smoke collecting hoods, when the smoke collecting hood assembly is used, the smoke collecting hoods at all stages are relatively unfolded and are mutually communicated, so that only the air inlet is arranged on other smoke collecting hoods except the smoke collecting hood close to the machine body, the height of the air inlet can be equal to the height superposition of the smoke collecting hood provided with the air inlet and other smoke collecting hoods between the smoke collecting hood and the machine body, and the requirement on the height of the air inlet can be fully met; and when not using range hood, only need to retrieve the collection petticoat pipe subassembly and hold the chamber in, this moment, because adjacent two-stage collection petticoat pipe overlaps when collection petticoat pipe subassembly is in the state of accomodating at least partially, so, the whole height of collection petticoat pipe subassembly after accomodating can be less than the stack height after the collection petticoat pipe of each level expandes completely, can reduce the height that holds the chamber like this to a certain extent, and then reduce the height of organism.

2. The utility model provides a range hood, the air intake is located at least collection petticoat pipe subassembly is in keep away from during the expansion state on the collection petticoat pipe of organism. Therefore, when the exhaust hood is used, the height of the air inlet is equal to the superposed height of the various stages of exhaust fume collecting hoods after being unfolded, and the requirement on the height of the air inlet can be fully met; when not in use, the height of the accommodating cavity is only required to be not less than the maximum height of each level of smoke collecting hood, and the height of the accommodating cavity and the machine body can be reduced to the greatest extent.

3. The utility model provides a range hood, the collection petticoat pipe nested connection of arbitrary level collection petticoat pipe and adjacent level. Thus, the width of the accommodating cavity can be reduced, and the width of the machine body can be further reduced.

4. The utility model provides a range hood, the collection petticoat pipe at different levels in the collection petticoat pipe subassembly is in synchronous lift under a drive arrangement's the effect. Can improve the lifting speed of whole collection petticoat pipe subassembly like this, improve the switching efficiency of collection petticoat pipe subassembly between expansion state and the state of accomodating.

5. The utility model provides a range hood, drive mechanism includes: at least one first-stage pulley fixedly arranged on the second-stage smoke collection cover; one end of the first-stage rope is fixedly connected with the machine body, and the other end of the first-stage rope is fixedly connected with the first-stage smoke collecting hood through the first-stage pulley; the second-stage pulley is fixedly arranged on the machine body; at least one second-stage rope is wound on the power output shaft and passes through the second-stage pulley and the second-stage smoke collecting cover. When the range hood needs to be used, the power output shaft of the driving device rotates to drive the second-stage rope to rotate, so that the second-stage smoke collecting hood is pulled to ascend, the ascending of the second-stage smoke collecting hood can drive the ascending of the first-stage pulley arranged on the second-stage smoke collecting hood, so that the ascending of the first-stage rope positioned on the first-stage pulley is pulled to drive the first-stage smoke collecting hood fixedly connected to one end of the first-stage rope to ascend, and when the required height is reached, the power output shaft only needs to be stopped to rotate; when the collection petticoat pipe subassembly is accomodate to needs, only need make power output shaft antiport can. Above-mentioned drive mechanism only needs through a drive arrangement, alright in order to realize the synchronous lift to first order collection petticoat pipe and second level collection petticoat pipe, can enough improve the whole lift efficiency of collection petticoat pipe subassembly, can reduce again to drive arrangement's use, reduce cost.

6. The utility model provides a range hood, the first-stage pulley has two; the number of the first-stage ropes is two, and the first-stage ropes are arranged in one-to-one correspondence with the first-stage pulleys. Therefore, the lifting motion of the first-stage smoke collecting hood can be more stable.

7. The utility model provides a range hood, the second level pulley has two, locates respectively the double-phase offside of organism, the second level rope have one, twine in power output shaft is last, just the both ends of second level rope are walked around respectively correspond the second level pulley and with the corresponding side fixed connection of second level collection petticoat pipe. Therefore, the lifting motion of the second-stage smoke collecting hood can be more stable.

8. The utility model provides a range hood, drive mechanism still includes right first order collection petticoat pipe for the elevating movement of second level collection petticoat pipe carries out the first order guide structure who leads. So on the one hand can make first order collection petticoat pipe go up and down according to the predetermined route, improves lift efficiency, and on the other hand can make the elevating movement of first order collection petticoat pipe more smooth and easy.

9. The utility model provides a range hood, drive mechanism still includes right the second level collection petticoat pipe for the second level guide structure that the elevating movement of organism leads. On the one hand, the second-stage smoke collecting hood can be lifted according to a preset path, the lifting efficiency is improved, and on the other hand, the lifting movement of the second-stage smoke collecting hood can be smoother.

10. The utility model provides a range hood, at different levels the longitudinal section of collection petticoat pipe is vertical plane. Therefore, the smoke collecting hoods at all levels can conveniently enter the accommodating cavity.

11. The utility model provides a range hood still locates including leading the cigarette structure air intake top is suitable for to cook exhaust oil smoke guide extremely in the air intake. Therefore, the smoke collecting effect of the smoke collecting cover can be improved.

12. The utility model provides a range hood, it has openly to lead the cigarette structure the open mode of air intake, and the closing cap the closed condition of air intake. On one hand, when the range hood is used, the smoke guide structure is in an open state, so that the range hood can obtain a better smoke collection effect; on the other hand can make when not using range hood and lead the cigarette structure and be in the closed condition, be convenient for lead the cigarette structure and get into and hold and accomodate in the chamber, reduce the space that occupies.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a smoke and oven integrated machine provided in a first embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the fume and stove integrated machine shown in FIG. 1;

FIG. 3 is an enlarged perspective view of area A of FIG. 2;

FIG. 4 is a schematic right-side view of the fume range all-in-one shown in FIG. 1 in a fully deployed state;

FIG. 5 is a schematic right-view of the semi-deployed state of the fume range all-in-one machine shown in FIG. 1 in a deployed state;

FIG. 6 is a right-side view of the range hood and stove all-in-one machine shown in FIG. 1 in a stored state;

description of reference numerals:

1-machine body, 2-first-stage smoke collecting hood, 21-air inlet, 3-second-stage smoke collecting hood, 41-first-stage pulley, 42-first-stage rope, 51-second-stage pulley, 52-second-stage rope, 61-first-stage slide rail, 62-first-stage slide block, 71-second-stage slide rail, 72-second-stage slide block, 8-winch, 9-smoke guide structure and 10-kitchen range mounting platform.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 6, the present embodiment provides a range hood, which includes a body 1, a smoke collecting hood assembly and at least one first driving device.

The machine body 1 is provided with an accommodating cavity.

The fume collecting hood assembly is arranged on the machine body 1 in a lifting manner and is provided with an air inlet 21 suitable for entering oil smoke, and the fume collecting hood assembly has an unfolding state extending out of the accommodating cavity and a containing state accommodated in the accommodating cavity; the collection petticoat pipe subassembly includes at least two-stage collection petticoat pipe, and adjacent two-stage collection petticoat pipe communicates each other when collection petticoat pipe subassembly is in the expansion state, at least part overlap when collection petticoat pipe subassembly is in the state of accomodating.

The first driving device is suitable for driving the smoke collecting cover assembly to be switched between the unfolding state and the storage state.

The smoke collecting hood assembly comprises at least two stages of smoke collecting hoods, when the smoke collecting hood assembly is used, the smoke collecting hoods at all stages are relatively unfolded and are mutually communicated, so that only the air inlet 21 is arranged on other smoke collecting hoods except the smoke collecting hood close to the machine body 1, the height of the air inlet 21 can be equal to the height of the smoke collecting hood provided with the air inlet 21 and the height of other smoke collecting hoods between the smoke collecting hood provided with the air inlet 21 and the machine body 1, and the requirement on the height of the air inlet 21 can be fully met; and when not using range hood, only need to retrieve the collection petticoat pipe subassembly and hold the chamber in, this moment, because adjacent two-stage collection petticoat pipe overlaps when collection petticoat pipe subassembly is in the state of accomodating at least partially, so, the whole height of collection petticoat pipe subassembly after accomodating can be less than the stack height after the collection petticoat pipe of each level expandes completely, can reduce the height that holds the chamber like this to a certain extent, and then reduce organism 1's height.

The specific installation position of the air inlet 21 can be various, and in this embodiment, the air inlet 21 is installed on the fume collecting hood far away from the machine body 1 when the fume collecting hood assembly is in the expanded state. Therefore, when in use, the height of the air inlet 21 is equal to the superposed height of the various stages of exhaust fume collecting covers after being unfolded, and the height requirement on the air inlet 21 can be fully met; when not in use, the height of the accommodating cavity is only required to be not less than the maximum height of each level of smoke collecting hood, and the height of the accommodating cavity and the machine body 1 can be reduced to the greatest extent. As an alternative embodiment, the air inlet 21 may also be provided on another fume collecting hood at the same time or only on another fume collecting hood.

The specific connection mode between the smoke collecting hoods of all stages is not limited, and in order to reduce the width of the accommodating cavity and further reduce the width of the machine body 1, in the present embodiment, the smoke collecting hood of any stage is connected with the smoke collecting hood of the adjacent stage in a nested manner.

In order to improve the lifting speed of the whole exhaust fume collecting hood assembly and improve the switching efficiency of the exhaust fume collecting hood assembly between the unfolding state and the accommodating state, in the embodiment, all stages of exhaust fume collecting hoods in the exhaust fume collecting hood assembly synchronously lift under the action of the first driving device. As an alternative embodiment, the fume collecting hoods of different stages in the fume collecting hood assembly can be lifted and lowered asynchronously.

In order to reduce the use of the driving device and reduce the cost, in the embodiment, the smoke collecting hoods at all stages in the smoke collecting hood assembly are driven by the same first driving device to synchronously lift. As an alternative embodiment, each stage of the fume collecting hood in the fume collecting hood assembly can also be driven by different first driving devices to synchronously lift.

The number of the smoke collecting hood stages contained in the smoke collecting hood assembly is not limited, and the smoke collecting hood assembly only needs to contain at least two stages. In this embodiment, the collection petticoat pipe subassembly includes first order collection petticoat pipe 2 and second level collection petticoat pipe 3, and when collection petticoat pipe subassembly was in the expansion state, first order collection petticoat pipe 2 was located one side that organism 1 was kept away from to second level collection petticoat pipe 3. The air inlet 21 is arranged on the first-stage fume collecting hood 2. As an alternative embodiment, the fume collecting hood assembly may also include a three-stage or four-stage or the like fume collecting hood.

In the embodiment, the second-stage fume collecting hood 3 is nested outside the first-stage fume collecting hood 2 and is provided with a abdicating cavity suitable for accommodating the first-stage fume collecting hood 2; the first-stage fume collecting hood 2 has a first state of extending out of the abdicating cavity and a second state of being accommodated in the abdicating cavity.

The specific structure of the first driving device can be various, and in the embodiment, the first driving device comprises a power device and a transmission mechanism.

The power plant has a power take-off shaft adapted to output rotational power.

The transmission mechanism is suitable for driving the first-stage smoke collecting hood 2 and the second-stage smoke collecting hood 3 to do lifting motion under the driving of the power device.

The specific structural form of the transmission mechanism can be various, and the transmission mechanism only needs to be driven by the first driving device to drive all stages of smoke collecting hoods to synchronously lift. In this embodiment, the transmission mechanism includes a primary pulley 41, a primary rope 42, a secondary pulley 51, and a secondary rope 52.

The primary pulley 41 is fixedly arranged on the secondary fume collecting hood 3.

One end of the first-stage rope 42 is fixedly connected with the machine body 1, and the other end of the first-stage rope passes through the first-stage pulley 41 and is fixedly connected with the first-stage smoke collecting hood 2.

The second-stage pulley 51 is fixedly arranged on the machine body 1.

The second-stage rope 52 is wound on the power output shaft and is fixedly connected with the second-stage smoke collecting cover 3 through the second-stage pulley 51.

When the range hood needs to be used, the power output shaft of the driving device rotates to drive the second-stage rope 52 to rotate, so that the second-stage smoke collecting hood 3 is pulled to ascend, the ascending of the second-stage smoke collecting hood 3 can drive the ascending of the first-stage pulley 41 arranged on the second-stage smoke collecting hood, so that the first-stage rope 42 arranged on the first-stage pulley 41 is pulled to ascend, the first-stage smoke collecting hood 2 fixedly connected to one end of the first-stage rope 42 is driven to ascend, and when the required height is reached, the power output shaft only needs to be stopped to rotate; when the collection petticoat pipe subassembly is accomodate to needs, only need make power output shaft antiport can. Above-mentioned drive mechanism only needs through a drive arrangement, alright in order to realize the synchronous lift to first order collection petticoat pipe 2 and second level collection petticoat pipe 3, can enough improve the whole lift efficiency of collection petticoat pipe subassembly, can reduce again to drive arrangement's use, reduce cost.

The specific number of the first-stage pulleys 41, the first-stage ropes 42, the second-stage pulleys 51, and the second-stage ropes 52 is not limited, and in order to make the lifting movement of the first-stage fume collecting hood 2 and the second-stage fume collecting hood 3 more smooth, in the embodiment, there are two first-stage pulleys 41; the first-stage ropes 42 also have two and are arranged in one-to-one correspondence with the first-stage pulleys 41. The second-stage pulleys 51 are arranged on two opposite sides of the machine body 1 respectively, the second-stage ropes 52 are wound on the power output shaft, and two ends of each second-stage rope 52 are wound around the corresponding second-stage pulley 51 and fixedly connected with the corresponding side of the second-stage smoke collecting hood 3. As an alternative embodiment, there may be one each of the primary pulley 41, the primary rope 42, the secondary pulley 51, and the secondary rope 52.

In order to make first order collection petticoat pipe 2 and second level collection petticoat pipe 3 go up and down according to predetermined route respectively, improve lifting efficiency, can make the elevating movement of first order collection petticoat pipe 2 and second level collection petticoat pipe 3 more smooth and easy simultaneously, drive mechanism still includes the first order guide structure who leads to first order collection petticoat pipe 2 for the elevating movement of second level collection petticoat pipe 3, and carries out the second level guide structure who leads to second level collection petticoat pipe 3 for the elevating movement of organism 1.

The specific structure of the first guiding structure can be various, and in this embodiment, the first guiding structure includes a first sliding rail 61 and a first sliding block 62.

The first-stage slide rail 61 is arranged on the second-stage smoke collecting cover 3.

The first-stage sliding block 62 is arranged on the first-stage fume collecting hood 2 and is fixedly connected with the first-stage rope 42.

As an alternative embodiment, the first-stage slide rail 61 may be provided on the first-stage smoke collection hood 2, and the first-stage slide block 62 may be provided on the second-stage smoke collection hood 3.

The specific structure of the second guiding structure can be various, and in this embodiment, the second-stage guiding structure includes a second-stage sliding rail 71 and a second-stage sliding block 72.

The second stage slide rail 71 is arranged on the machine body 1.

The second-stage sliding block 72 is arranged on the second-stage smoke collecting cover 3 and is fixedly connected with the second-stage rope 52.

As an alternative embodiment, the second-stage slide rail 71 may be provided on the second-stage smoke collection hood 3, and the second-stage slide block 72 may be provided on the machine body 1.

The specific structural form of the power device can be various, and the power device in the embodiment is a winch 8.

In this embodiment, in order to facilitate the various-stage fume collecting hood to enter the accommodating cavity, the longitudinal sections of the various-stage fume collecting hood are vertical planes. As an alternative embodiment, the longitudinal section of each stage of the fume collecting hood may have another shape.

In order to improve the smoke collecting effect of the smoke collecting hood, the range hood provided in this embodiment further includes a smoke guiding structure 9 disposed above the air inlet 21 and adapted to guide the cooking-exhausted smoke to the air inlet 21. The specific shape of the smoke guide structure 9 is not limited, and the smoke guide structure 9 in this embodiment is a plate-shaped structure. As an alternative embodiment, the smoke guide structure 9 may not be provided.

In the present embodiment, the smoke guiding structure 9 has an open state for opening the air inlet 21 and a closed state for covering the air inlet 21. On one hand, when the range hood is used, the smoke guide structure 9 is in an open state, so that the range hood can obtain a better smoke collection effect; on the other hand, when the range hood is not used, the smoke guide structure 9 is in a closed state, the smoke guide structure 9 is convenient to enter the accommodating cavity for accommodating, and the occupied space is reduced.

The range hood provided in the embodiment further comprises a second driving device, and the second driving device is suitable for driving the smoke guide structure to be switched between the opening state and the closing state. As an alternative embodiment, the second drive device may not be provided, and the smoke guide structure may be manually switched between the open state and the closed state.

The range hood provided in the embodiment can be used as a part of a smoke and stove integrated machine, and can also be directly installed on a cabinet provided with a stove.

The embodiment also provides a smoke and stove integrated machine which comprises the range hood and a stove mounting table 10 suitable for mounting a stove. As an alternative embodiment, the fume and range unit may be replaced with another device having a range hood.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (22)

1. A range hood, comprising:

the machine body (1) is provided with an accommodating cavity;

the fume collecting hood assembly is arranged on the machine body (1) in a lifting manner and is provided with an air inlet (21) suitable for entering oil smoke, and the fume collecting hood assembly has an unfolding state extending out of the accommodating cavity and a containing state accommodated in the accommodating cavity; the fume collecting hood assembly comprises at least two stages of fume collecting hoods, and the adjacent two stages of fume collecting hoods are mutually communicated when the fume collecting hood assembly is in the unfolded state and at least partially overlapped when the fume collecting hood assembly is in the storage state;

at least one first drive device adapted to drive the fume collection hood assembly to switch between the deployed state and the stowed state.

2. A range hood according to claim 1, wherein the air inlet (21) is provided at least on a fume collecting hood remote from the machine body (1) when the fume collecting hood assembly is in the deployed state.

3. The range hood of claim 1 wherein the fume collecting hood of any stage is nested with the fume collecting hood of the adjacent stage.

4. The range hood according to claim 1, wherein each stage of fume collecting hood in the fume collecting hood assembly is lifted synchronously under the action of the first driving device.

5. The range hood according to claim 4, wherein each stage of fume collecting hood in the fume collecting hood assembly is driven by the same first driving device to synchronously lift.

6. A range hood according to any of claims 1-5, characterized in that the fume collecting hood assembly comprises at least a first stage fume collecting hood (2) and a second stage fume collecting hood (3), when the fume collecting hood assembly is in the unfolded state, the first stage fume collecting hood (2) is located on the side of the second stage fume collecting hood (3) far away from the machine body (1), and the air inlet (21) is arranged on at least the first stage fume collecting hood (2).

7. The range hood according to claim 6, wherein the second-stage fume collecting hood (3) is nested outside the first-stage fume collecting hood (2) and is provided with a abdication cavity suitable for accommodating the first-stage fume collecting hood (2); the first-stage smoke collecting cover (2) is provided with a first state extending out of the abdicating cavity and a second state accommodated in the abdicating cavity.

8. The range hood of claim 6, wherein the first drive device comprises:

a power plant having a power output shaft adapted to output rotational power;

and the transmission mechanism is suitable for driving the first-stage smoke collecting hood (2) and the second-stage smoke collecting hood (3) to do lifting motion under the driving of the power device.

9. The range hood of claim 8, wherein the transmission mechanism comprises:

at least one primary pulley (41) which is fixedly arranged on the secondary fume collecting hood (3);

one end of the first-stage rope (42) is fixedly connected with the machine body (1), and the other end of the first-stage rope is fixedly connected with the first-stage smoke collecting hood (2) through the first-stage pulley (41);

at least one second-stage pulley (51) fixedly arranged on the machine body (1);

at least one second-stage rope (52) is wound on the power output shaft and fixedly connected with the second-stage smoke collecting cover (3) through the second-stage pulley (51).

10. The extractor hood according to claim 9, wherein said first-stage pulley (41) has two; the number of the first-stage ropes (42) is also two, and the first-stage ropes are arranged in one-to-one correspondence with the first-stage pulleys (41).

11. The range hood according to claim 9, wherein the second-stage pulleys (51) are provided in two numbers, respectively, and are disposed on two opposite sides of the machine body (1), the second-stage rope (52) is provided in one number and is wound on the power output shaft, and two ends of the second-stage rope (52) respectively pass around the corresponding second-stage pulleys (51) and are fixedly connected with corresponding sides of the second-stage smoke collecting hood (3).

12. A range hood according to claim 9, wherein the transmission mechanism further comprises a first stage guiding structure for guiding the lifting movement of the first stage fume collecting hood (2) relative to the second stage fume collecting hood (3).

13. The range hood of claim 12, wherein the first stage guide structure comprises:

the first-stage slide rail (61) is arranged on the second-stage smoke collecting hood (3);

the first-stage sliding block (62) is arranged on the first-stage smoke collecting cover (2) and fixedly connected with the first-stage rope (42).

14. The range hood according to claim 9, wherein the transmission mechanism further comprises a second-stage guiding structure for guiding the lifting movement of the second-stage fume collecting hood (3) relative to the machine body (1).

15. The range hood of claim 14, wherein the second stage guide structure comprises:

the second-stage sliding rail (71) is arranged on the machine body (1);

and the second-stage sliding block (72) is arranged on the second-stage smoke collecting cover (3) and is fixedly connected with the second-stage rope (52).

16. A range hood according to claim 8, characterized in that the power unit is a winch (8).

17. The range hood according to any one of claims 1 to 5, wherein the longitudinal section of each stage of the fume collecting hood is a vertical plane.

18. The range hood according to claim 17, further comprising a smoke guide structure (9) disposed above the air inlet (21) and adapted to guide the cooking fumes into the air inlet (21).

19. The range hood according to claim 18, wherein the smoke guiding structure (9) has an open state for opening the air inlet (21) and a closed state for covering the air inlet (21).

20. The range hood of claim 19, further comprising a second drive device adapted to drive the smoke guide structure to switch between the open state and the closed state.

21. An apparatus having a range hood, comprising a range hood as claimed in any one of claims 1 to 20.

22. The range hood apparatus of claim 21, wherein the range hood apparatus is a range hood.

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