CN115218243A - Lifting smoke machine - Google Patents

Abstract

The invention relates to the technical field of kitchen appliances, and particularly discloses a lifting range hood. The range hood comprises a smoke collection module and a host module, wherein the smoke collection module comprises a smoke collection shell forming a smoke collection cavity, the smoke collection cavity is selectively connected with the external environment, and a fan assembly for absorbing oil smoke is arranged in the smoke collection cavity; the host module comprises a host shell forming a containing cavity, and the smoke collecting module is connected to the host module in a sliding manner along the vertical direction; the lifting smoke ventilator can be switched between a working state and a closed state, and when the lifting smoke ventilator is in the working state, the smoke collection module can descend and extend out of the containing cavity, and the smoke collection cavity is communicated with the external environment; when being in the closed state, collection cigarette module can rise and arrange in and accomodate intracavity collection cigarette chamber and external environment and cut off. This cigarette machine arranges the fan subassembly in collection smoke chamber, promotes space utilization, reduces the risk of greasy dirt seepage, reduces the loss of import flow resistance, has ensured the smoking effect.

Description

Lifting smoke machine

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a lifting range hood.

Background

With the improvement of living standard, consumers have higher requirements on the use experience of the household range hood, and as shown in fig. 1 and fig. 2, in order to improve the smoking effect of the range hood, the smoking method of the range hood is improved. The lifting cigarette machine comprises a cigarette collection module 100 'and a host machine module 200', wherein a screw nut 130 'on the cigarette collection module 100' is connected on a guide rail 230 'of the host machine module 200' in a sliding manner, a driving screw 240 'on the cigarette collection module 100' is used for driving the cigarette collection module 100', so that the cigarette collection module 100' is connected with the host machine module 200 'in a sliding manner in the vertical direction, the cigarette collection module 100' can be selectively arranged in the host machine shell 210', the cigarette collection module 100' comprises a cigarette collection cavity enclosed by the cigarette collection shell 110', a cigarette blocking plate 120' is connected on the cigarette collection shell 110 'in a rotating manner, and the cigarette blocking plate 120' can be selectively opened and closed. The blower assembly 220' is disposed in the main casing 210', and the blower assembly 220' communicates with the external environment through the check valve 300' penetrating the main casing 210 '.

When the lifting smoke machine is in a working state, the smoke collection module 100' descends to be close to a smoke point of a kitchen range for smoking, so that the smoking effect is improved; in the closed position, smoke collection module 100 'is raised and stowed within main housing 210', keeping the kitchen environment clean and integrated.

However, the existing elevating cigarette machine has the following problems:

1) The fan assembly 220 'is kept at a fixed position, so that the main machine shell 210' needs to provide storage spaces for the smoke collection module 100 'and the fan assembly 220' at the same time, and the size difference between the width a of the smoke collection module 100 'and the width b of the main machine shell 210' is large, so that requirements are provided for the space occupied by lifting the cigarette making machine, the existing kitchen is integrated installation of products such as cigarette making machines and cabinets, and if the size of the cigarette making machine is too large, a large amount of changes of cabinet installation on the market are caused, so that the application range of the lifting cigarette making machine is limited;

2) The fan component 220' has a certain distance with a smoke point of the cooker in a working state, so that the loss of the inlet flow resistance of the lifting smoke machine is caused, and the smoking effect of the smoke machine is reduced;

3) The main housing 210 'and the smoke collection module 100' are relatively movable, and a certain movement gap exists, so that a large amount of oil smoke flows through, and after the oil smoke is condensed, the sealing performance of an oil path is risky.

Disclosure of Invention

The invention aims to provide a lifting range hood to reduce the loss of inlet flow resistance, avoid the risk of oil stain leakage and improve the smoking effect of the range hood.

In order to achieve the purpose, the invention adopts the following technical scheme:

a lifting smoke machine comprises a smoke collecting module and a host module; the smoke collection module comprises a smoke collection shell, the smoke collection shell forms a smoke collection cavity, the smoke collection cavity is selectively communicated or separated from the external environment, and a fan assembly for absorbing oil smoke is installed in the smoke collection cavity; the host module comprises a host shell, a containing cavity is formed in the host shell, and the smoke collection module is connected to the host module in a sliding mode along the vertical direction; the cigarette lifting machine can be switched between a working state and a closed state, when the cigarette lifting machine is in the working state, the cigarette collecting module can descend to extend out of the containing cavity, the fan assembly runs, and the cigarette collecting cavity is communicated with the external environment; when the lift cigarette machine is in during the closed condition, the collection cigarette module can rise to be arranged in accomodate the intracavity, the fan subassembly is closed, collection cigarette chamber cuts off with external environment condition.

As the preferred technical scheme of lift cigarette machine, install the check valve that is used for discharging the oil smoke on the host computer casing, the fan subassembly with the check valve is linked together, it is equipped with flexible tuber pipe to accomodate the intracavity, flexible tuber pipe intercommunication the fan subassembly with the check valve, the output of fan subassembly with the check valve is just right, flexible tuber pipe can be followed the length direction of flexible tuber pipe is flexible.

As the preferred technical scheme of the cigarette lifting machine, the cigarette collecting module further comprises a cigarette blocking plate arranged on the cigarette collecting shell, and the cigarette blocking plate is used for communicating or separating the cigarette collecting cavity and the external environment.

As a preferred technical scheme of the elevating range hood, a smoke collection opening is formed in the smoke collection shell, the smoke collection opening is communicated with the smoke collection cavity and the external environment, the smoke baffle is rotatably connected to the smoke collection shell and can swing between a first position and a second position, and when the smoke baffle is located at the first position, the smoke collection opening is opened; when the smoke baffle is at the second position, the smoke baffle closes the smoke collection opening.

As the preferred technical scheme of lift cigarette machine, collection cigarette opening sets up in the side of collection cigarette casing, work as keep off the cigarette board and be in during the primary importance, keep off the plane at cigarette board place with the plane at collection cigarette opening place is the contained angle setting.

As the preferred technical scheme of lift cigarette machine, the lateral wall rigid coupling of collection cigarette casing has the slider, the inside wall of host computer casing sets firmly the guide rail that extends along vertical direction, slider sliding connection in the guide rail.

As a preferred technical scheme of the cigarette lifting machine, the cigarette lifting machine further comprises a driving module, wherein the driving module is installed in the containing cavity and used for driving the cigarette collecting module to move along the vertical direction relative to the host machine module.

As the preferred technical scheme of lift cigarette machine, drive module includes screw-nut and drive lead screw, the screw-nut rigid coupling in the lateral wall of collection cigarette casing, the drive lead screw rigid coupling in the inside wall of host computer casing, screw-nut install in on the drive lead screw, just the drive lead screw is used for the drive screw-nut removes along vertical direction.

As the preferred technical scheme of lift cigarette machine, the lateral wall rigid coupling of collection cigarette casing has screw-nut, the inside wall of host computer casing is equipped with the drive lead screw, screw-nut install in the drive lead screw, just the drive lead screw is used for the drive screw-nut removes along vertical direction.

As the preferred technical scheme of the cigarette lifting machine, the cigarette lifting machine further comprises a gravity balance mechanism, and the gravity balance mechanism is used for always applying acting force which is offset with the gravity of the cigarette collection module to the cigarette collection module in the lifting process.

As the preferred technical scheme of lift cigarette machine, gravity balance mechanism includes the constant force spring, the one end of constant force spring connect in accomodate the inner wall in chamber, the other end connect in the surface of collection cigarette casing, just the constant force spring is flexible along vertical direction.

The invention has the beneficial effects that:

according to the lifting smoke machine, the fan assembly is arranged in the smoke collection cavity, so that the main machine shell only needs to play the effect of the structural shell of the smoke collection module, the structure of the main machine shell is more compact due to the improvement, the space utilization rate of the lifting smoke machine is improved, and the space occupied by the main machine module is reduced; by means of the mode of lifting the fan assembly along with the smoke collecting cavity, the distance between the fan assembly and a smoke generating point of the cooker is reduced when the lifting smoke machine is in a working state, the loss of inlet flow resistance is reduced, and the smoke absorbing effect of the lifting smoke machine is guaranteed; also because the fan subassembly is located the reason of collection cigarette intracavity, has led to having between collection cigarette casing and the host computer casing though there is the movement clearance, but no oil smoke flows through to the risk of greasy dirt seepage has been reduced by a wide margin.

Drawings

FIG. 1 is a schematic structural view of a prior art cigarette lifting machine;

FIG. 2 is a cross-sectional view of a prior art cigarette lifting machine;

FIG. 3 is a schematic structural view of a cigarette lifting machine provided by an embodiment of the invention in a working state;

FIG. 4 is a schematic structural view of a cigarette lifting machine provided by an embodiment of the invention in a closed state;

FIG. 5 is a schematic structural view of a cigarette lifting machine provided in an embodiment of the present invention except for a part of a main chassis in a working state;

FIG. 6 is a side view of a cigarette lifting machine provided by an embodiment of the present invention in an operating condition;

FIG. 7 is a cross-sectional view taken at plane E-E of FIG. 6;

fig. 8 is an exploded view of a gravity balance mechanism provided by an embodiment of the present invention.

In fig. 1 and 2:

100', a smoke collection module; 110', a smoke collection housing; 120', a smoke baffle; 130', a feed screw nut; 200', a host module; 210', a main machine housing; 220', a fan assembly; 230', a guide rail; 240', a driving screw rod; 300' and a check valve.

In fig. 3-8:

100. a smoke collection module; 110. a smoke collection shell; 120. a smoke baffle; 130. a feed screw nut; 140. a fan assembly; 200. a host module; 210. a main housing; 211. avoiding the mouth; 220. a telescopic air pipe; 230. a guide rail; 240. driving the screw rod; 300. a check valve; 400. a gravity balance mechanism; 410. a fixed base; 411. a base positioning hole; 420. a rotating shaft; 421. positioning the clamping groove; 430. a constant force spring.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 3-7, the present embodiment provides a lifting cigarette machine, which comprises a cigarette collecting module 100 and a host computer module 200; the smoke collection module 100 comprises a smoke collection shell 110, the smoke collection shell 110 forms a smoke collection cavity, the smoke collection cavity is selectively communicated or separated from the external environment, and a fan assembly 140 for absorbing oil smoke is arranged in the smoke collection cavity; the host module 200 comprises a host shell 210, the host shell 210 forms a containing cavity, and the smoke collection module 100 is connected to the host module 200 in a sliding mode along the vertical direction; the lifting cigarette machine can be switched between a working state and a closed state, when the lifting cigarette machine is in the working state, the cigarette collecting module 100 can descend to stretch out of the containing cavity, the fan assembly 140 runs, and the cigarette collecting cavity is communicated with the external environment; when the lifting cigarette machine is in a closed state, the cigarette collecting module 100 can ascend and be arranged in the containing cavity, the fan assembly 140 is closed, and the cigarette collecting cavity is separated from the external environment.

According to the cigarette lifting machine, the fan assembly 140 is arranged in the cigarette collecting cavity, so that the main machine shell 210 only needs to play the effect of the structural shell of the cigarette collecting module 100, the structure of the main machine shell 210 is more compact due to the improvement, the space utilization rate of the cigarette lifting machine is improved, and the space occupied by the main machine module 200 is reduced; by means of the mode of lifting the fan assembly 140 along with the smoke collecting cavity, the distance between the fan assembly 140 and a smoke generating point of the cooker is reduced when the lifting smoke machine is in a working state, the loss of inlet flow resistance is reduced, and the smoking effect of the lifting smoke machine is guaranteed; also, because the fan assembly 140 is located in the smoke collection cavity, although there is a movement gap between the smoke collection housing 110 and the main machine housing 210, no oil smoke flows through, so that the risk of oil leakage is greatly reduced.

As shown in fig. 6, the main housing 210 of the cigarette lifting machine can be optimized and improved with a compact structure as a target, so that the size difference between the width c of the cigarette collecting module 100 and the width d of the main housing 210 is small, the arrangement of the cigarette lifting machine in a cabinet device is facilitated, and the flexibility of the arrangement of the cabinet integrating the cigarette lifting machine is improved.

Specifically, the bottom of the main housing 210 is provided with an avoiding opening 211, the avoiding opening 211 is communicated with the accommodating cavity and the external environment, and the avoiding opening 211 is used for avoiding the smoke collecting module 100.

With continued reference to fig. 3-7, a check valve 300 for discharging oil smoke is installed on the main housing 210, the fan assembly 140 is communicated with the check valve 300, a telescopic air duct 220 is disposed in the storage cavity, the telescopic air duct 220 is communicated with the fan assembly 140 and the check valve 300, an output end of the fan assembly 140 is directly opposite to the check valve 300, and the telescopic air duct 220 can extend and retract along a length direction of the telescopic air duct 220. Specifically, the length direction of the telescopic air duct 220 is a vertical direction. The setting of flexible tuber pipe 220 forms the air current route, has satisfied the design demand that fan subassembly 140 and check valve 300 are linked together, has guaranteed that the cigarette oil absorbed by fan subassembly 140 can be smoothly discharged by check valve 300 lift cigarette machine, has still injectd the flow path of oil smoke in flexible tuber pipe 220 effectively simultaneously, has reduced the risk of oil smoke because of the unexpected adhesion on the lift cigarette machine by a wide margin, has further reduced the condition of greasy dirt seepage. By means of the telescopic design of the telescopic air pipe 220, the telescopic air pipe 220 can be adapted to the change of the distance between the fan assembly 140 and the check valve 300, so that the telescopic air pipe 220 can smoothly run in different states of the lifting cigarette machine.

Preferably, the smoke collection module 100 further includes a smoke baffle 120 mounted on the smoke collection housing 110, and the smoke baffle 120 is used for communicating or separating the smoke collection cavity from the external environment. The smoke baffle 120 is arranged to realize the selective opening and closing design of the smoke collecting cavity, so that the fan assembly 140 can be ensured to smoothly absorb the oil smoke entering the smoke collecting cavity from the external environment in the working state of the lifting smoke machine, the smoke collecting cavity can be separated from the external environment in the closing state of the lifting smoke machine, and the situation that the residual oil smoke in the smoke collecting cavity flows backwards is avoided.

Further, a smoke collection opening is formed in the smoke collection housing 110, the smoke collection opening communicates with the smoke collection cavity and the external environment, the smoke barrier 120 can move between a first position and a second position, and when the smoke barrier 120 is located at the first position, the smoke collection opening is opened; when the smoke barrier 120 is in the second position, the smoke barrier 120 closes the smoke collection opening. Above design has ensured that the cigarette board 120 can realize the selectivity switching action to the collection smoke chamber, and above-mentioned simple structure is reliable, and job stabilization nature is high and the processing cost is low.

In this embodiment, the smoke baffle 120 is rotatably connected to the smoke collecting housing 110. The rotation of the smoke baffle 120 is connected to the smoke collection shell 110 simply and reliably, so that the working efficiency of the smoke baffle 120 is improved, the difficulty of the smoke baffle 120 is reduced, and the occupied space of the smoke baffle 120 is reduced.

Preferably, the smoke collection opening is disposed on a side surface of the smoke collection housing 110, and when the smoke barrier 120 is located at the first position, a plane where the smoke barrier 120 is located and a plane where the smoke collection opening is located form an included angle. The design that collection cigarette opening opened in the side of collection cigarette casing 110 has reduced the risk that the oil droplet of condensation drops out the lift cigarette machine, has ensured operational environment's clean and tidy. When the lifting cigarette machine is in a working state, the cigarette collecting cavity can be communicated with the external environment by adjusting the cigarette blocking plate 120 to the first position; when the lifting cigarette machine is in a closed state, the cigarette collecting cavity can be communicated with the external environment by adjusting the cigarette blocking plate 120 to the first position. The plane that is in the plane of the cigarette board 120 place of first position and the plane that the collection cigarette opening place is the design of contained angle, still makes the cigarette board 120 play the effect of direction oil smoke, further promotion the smoking effect of collection cigarette module 100 from this, ensured the smooth operation of lift cigarette machine.

Similarly, when the smoke baffle 120 meeting the design requirements is located at the second position, the smoke baffle 120 is attached to the side surface of the smoke collection shell 110, the space occupied by the smoke collection module 100 is reduced by the design, and the space utilization rate of the lifting cigarette machine is further improved.

In this embodiment, the outer side wall of the smoke collecting housing 110 is fixedly connected with a sliding block, the inner side wall of the main housing 210 is fixedly provided with a guide rail 230 extending along the vertical direction, and the sliding block is slidably connected to the guide rail 230. The structure is simple and reliable, and the relative sliding between the smoke collection module 100 and the host module 200 can be smoothly completed according to a preset track.

Preferably, the cigarette lifting machine further comprises a driving module, the driving module is installed in the containing cavity and used for driving the cigarette collecting module 100 to move in the vertical direction relative to the host module 200. The setting of drive module has realized the adjustment to the relative position of collection cigarette module 100 and host computer module 200, has ensured that the lift cigarette machine can switch smoothly between operating condition and closed condition.

Further, the driving module includes a lead screw nut 130 and a driving lead screw 240, the lead screw nut 130 is fixedly connected to the outer side wall of the smoke collecting casing 110, the driving lead screw 240 is fixedly connected to the inner side wall of the main casing 210, the lead screw nut 130 is installed on the driving lead screw 240, and the driving lead screw 240 is used for driving the lead screw nut 130 to move along the vertical direction. The design of the screw nut 130 and the driving screw 240 enables the driving module to smoothly drive the smoke collection module 100 to complete the action, and the smooth operation of the cigarette lifting machine is guaranteed. The screw nut 130 and the driving screw 240 have simple and reliable structure, high working stability and long service life.

The screw nut 130 and the driving screw 240 form a screw pair, and when the driving screw 240 rotates in a forward direction or a reverse direction, the screw nut 130 can drive the smoke collection module 100 to slide up and down along the guide rail 230. Specifically, the driving screw 240 is driven by electric power. When the cigarette lifting machine is in a closed state, the screw rod 240 is driven to enable the screw rod nut 130 to drive the cigarette collecting module 100 to slide upwards along the guide rail 230, and the cigarette collecting module 100 retracts into the containing cavity; when the lifting cigarette machine is in a working state, the driving screw rod 240 enables the screw rod nut 130 to drive the cigarette collecting module 100 to slide downwards along the guide rail 230, and the cigarette collecting module 100 extends out of the containing cavity to enable the cigarette collecting opening to be close to a smoke point of the stove.

In other embodiments of this embodiment, the smoke collection module 100 and the host module 200 are driven to move vertically relative to the host module 200 by means of rack-and-pinion transmission, hydraulic/pneumatic transmission, or cable transmission.

As shown in fig. 5 and 7, the elevating cigarette machine further comprises a gravity balance mechanism 400, the gravity balance mechanism 400 being configured to apply a force to the smoke collection module 100 that counteracts the gravity of the smoke collection module 100 at all times during the elevating process.

This lift cigarette machine has adopted gravity balance mechanism 400 to realize the gravity balance in the lift cigarette machine for the gravity of collection cigarette module 100 self is offset by the elastic force of gravity balance mechanism 400, and the elastic force of gravity balance mechanism 400 homoenergetic keeps the constant force when the lift cigarette machine is in different states, has reduced the power requirement to drive module from this, has reduced the cost of lift cigarette machine effectively, has promoted the lifting speed of collection cigarette module 100.

Preferably, gravity balance mechanism 400 elastically connects smoke collection module 100 with host module 200, and gravity balance mechanism 400 is used to suspend smoke collection module 100. As shown in fig. 5, 7 and 8, the gravity balance mechanism 400 includes a constant force spring 430, one end of the constant force spring 430 is connected to the inner wall of the receiving cavity, the other end is connected to the outer surface of the smoke collection housing 110, and the constant force spring 430 extends and retracts in the vertical direction.

The gravity balance mechanism composed of the constant force springs 430 is adopted, so that the gravitational potential energy of the smoke collection module 100 in the falling process can be converted into the elastic potential energy of the constant force springs 430, and the elastic potential energy of the constant force springs 430 can be converted into the gravitational potential energy of the smoke collection module 100 in the rising process of the smoke collection module 100. Since the gravity of the smoke collection module 100 is offset by the elastic force of the constant force spring 430, the elastic force of the constant force spring 430 always maintains a constant force in the position change process of the smoke collection module 100. The improvement enables the driving module to overcome the internal resistance of the driving module only in the lifting process of the smoke collection module 100, thereby greatly reducing the requirement on the power of the driving module.

Specifically, the gravity balance mechanism 400 further includes a fixing base 410 and a rotating shaft 420, the fixing base 410 is fixedly connected to the top of the inner wall of the containing cavity, the fixing base 410 is provided with a base positioning hole 411, the rotating shaft 420 is connected to the base positioning hole 411 in a penetrating manner, the rotating shaft 420 is rotatably connected to the fixing base 410, the rotating shaft 420 is provided with a positioning slot 421, one end of the constant force spring 430 is fixedly inserted into the positioning slot 421, and the other end of the constant force spring 430 is fixedly connected to the top surface of the smoke collection housing 110. The arrangement of the gravity balance mechanism 400 realizes the elastic connection between the smoke collection module 100 and the host module 200, and realizes the gravity balance in the lifting smoke machine; above simple structure is reliable, and job stabilization nature is high and low in production cost, has reduced the shared space of gravity balance mechanism 400, has further promoted the space utilization of lift cigarette machine.

In other embodiments of this embodiment, the gravity balance mechanism 400 adopts a counterweight gravity balance or an electromagnetic friction gravity balance or other gravity balance structure to realize the gravity balance in the cigarette lifting machine.

In this embodiment, the cigarette lifting machine further comprises a control system, the control system is in communication connection with the cigarette collecting module 100 and the driving module, the control system is used for controlling the cigarette blocking plate 120, the fan assembly 140 and the driving screw 240 to complete preset actions, and the improvement enables the state switching operation of the cigarette lifting machine to be efficiently and accurately completed. Meanwhile, the control system can also automatically complete the preset action, so that the automation degree of the cigarette lifting machine can be greatly improved, the specific setting mode and the working principle are common knowledge in the field, and the specific technical means are mastered by the technical personnel in the field and are not described in detail herein.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. 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. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A lift cigarette machine, characterized by, includes:

the smoke collection module (100) comprises a smoke collection shell (110), wherein the smoke collection shell (110) forms a smoke collection cavity, the smoke collection cavity is selectively communicated or separated from the external environment, and a fan assembly (140) for absorbing oil smoke is installed in the smoke collection cavity;

the host module (200) comprises a host shell (210), the host shell (210) forms a containing cavity, and the smoke collection module (100) is connected to the host module (200) in a sliding mode along the vertical direction;

the lifting cigarette machine can be switched between a working state and a closed state, when the lifting cigarette machine is in the working state, the cigarette collecting module (100) can descend to extend out of the containing cavity, the fan assembly (140) runs, and the cigarette collecting cavity is communicated with the external environment; when the lifting cigarette machine is in the closed state, the cigarette collecting module (100) can be lifted and arranged in the containing cavity, the fan assembly (140) is closed, and the cigarette collecting cavity is isolated from the external environment.

2. The lifting cigarette machine according to claim 1, wherein a check valve (300) for discharging oil smoke is installed on the main machine shell (210), the fan assembly (140) is communicated with the check valve (300), a telescopic air pipe (220) is arranged in the containing cavity, the telescopic air pipe (220) is communicated with the fan assembly (140) and the check valve (300), the output end of the fan assembly (140) is opposite to the check valve (300), and the telescopic air pipe (220) can stretch along the length direction of the telescopic air pipe (220).

3. The elevating cigarette machine as claimed in claim 1, wherein said smoke collection module (100) further comprises a smoke baffle (120) mounted on said smoke collection housing (110), said smoke baffle (120) being configured to communicate or isolate said smoke collection chamber from an external environment.

4. The lifting cigarette machine according to claim 3, wherein a cigarette collecting opening is opened on the cigarette collecting shell (110), the cigarette collecting opening is communicated with the cigarette collecting cavity and the external environment, the cigarette blocking plate (120) is rotatably connected on the cigarette collecting shell (110) and can swing between a first position and a second position, and when the cigarette blocking plate (120) is at the first position, the cigarette collecting opening is opened; when the smoke baffle (120) is in the second position, the smoke baffle (120) closes the smoke collection opening.

5. A lifting cigarette machine according to claim 4, characterized in that the cigarette collection opening is arranged on the side of the cigarette collection shell (110), when the cigarette blocking plate (120) is at the first position, the plane of the cigarette blocking plate (120) and the plane of the cigarette collection opening are arranged at an included angle.

6. The lifting cigarette machine according to claim 1, characterized in that a sliding block is fixedly connected to the outer side wall of the cigarette collecting shell (110), a guide rail (230) extending in the vertical direction is fixedly connected to the inner side wall of the main machine shell (210), and the sliding block is slidably connected to the guide rail (230).

7. A machine as claimed in claim 6, further comprising a drive module mounted within the receiving cavity for driving the smoke collection module (100) to move in a vertical direction relative to the mainframe module (200).

8. The elevating cigarette machine as claimed in claim 7, wherein the driving module comprises a screw nut (130) and a driving screw rod (240), the screw nut (130) is fixedly connected to the outer side wall of the smoke collecting shell (110), the driving screw rod (240) is fixedly connected to the inner side wall of the main machine shell (210), the screw nut (130) is installed on the driving screw rod (240), and the driving screw rod (240) is used for driving the screw nut (130) to move along the vertical direction.

9. A lifting machine according to any of claims 1-8, further comprising a gravitational counterbalancing mechanism (400), said gravitational counterbalancing mechanism (400) being adapted to apply a force to said smoke collection module (100) which counteracts the gravitational force of said smoke collection module (100) at all times during lifting.

10. The elevating cigarette machine as claimed in claim 9, wherein the gravity balance mechanism (400) comprises a constant force spring (430), one end of the constant force spring (430) is connected to the inner wall of the receiving cavity, the other end is connected to the outer surface of the smoke collection housing (110), and the constant force spring (430) is telescopic in the vertical direction.

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