CN217952412U - Lifting smoke machine - Google Patents

Abstract

The utility model relates to a kitchen appliance technical field specifically discloses a lift cigarette machine. The range hood comprises a smoke collection module and a host module; the smoke collection module comprises a smoke collection shell forming a smoke collection cavity, and the smoke collection cavity is communicated or separated with the external environment; the host module comprises a host shell forming a containing cavity, and the smoke collection module is connected to the host module in a sliding mode 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 the smoke collection module is in a closed state, the smoke collection module can ascend and be arranged in the containing cavity, and the smoke collection cavity is isolated from the external environment; the lifting smoke machine also comprises a gravity balance mechanism which is used for always applying acting force which is offset with the gravity of the smoke collection module to the smoke collection module in the lifting process. This cigarette machine offsets the gravity of collection cigarette module with the help of gravity balance mechanism's setting, ensures to go up and down the cigarette machine and keeps the constant force in the state change in-process, reduces the demand to drive module power.

Description

Lifting smoke machine

Technical Field

The utility model relates to a kitchen appliance technical field especially relates to a lift cigarette machine.

Background

Along with the improvement of living standard, consumers have higher requirements on the use experience of the household range hood, and people make a lot of improvements on the smoking method of the range hood in order to improve the smoking effect of the range hood. Especially in the aspect of the lift function of the smoke guide plate of the cigarette machine, current lift cigarette machine includes collection cigarette module and host computer module, and collection cigarette module can be sliding connection on vertical direction relative to the host computer module for collection cigarette module can selectively arrange in the host computer casing, and collection cigarette module includes the collection smoke chamber that collection cigarette casing encloses, and collection smoke chamber can selectively open and close. The fan assembly is arranged in the host casing and is communicated with the external environment through a check valve which is connected on the host casing in a penetrating way. When the lifting smoke machine is in a working state, the smoke collecting module descends to be close to a smoke point of the cooker for smoking, so that the smoking effect is improved; when the kitchen is closed, the smoke collecting module rises and is hidden in the shell of the main machine, so that the clean and integrated kitchen environment is kept.

However, because the mass of the smoke collection module is large, the internal resistance of the driving device and the gravity of the smoke collection module need to be overcome when the smoke collection module rises, and therefore a driving screw rod is required to provide large power; when the smoke collection module descends, the self weight of the smoke collection module is considered, the driving screw rod only needs to overcome the internal resistance of the driving device, and the power requirement on the driving screw rod is smaller at the moment. The driving torque change range required by the lifting of the smoke collection module is too large, so that the condition of power waste of a motor and a circuit board is obvious; under the condition that the power resource of the circuit board is limited, the power for driving the screw rod cannot be too large, and the lifting speed of the smoke collection module is low, so that the use experience of a user is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lift cigarette machine to offset the gravity of collection cigarette module, ensure to lift the cigarette machine and remain the constant force throughout at the state change in-process, thereby reduced the demand to drive module power.

To achieve the purpose, the utility model adopts the following technical proposal:

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, and the smoke collection cavity is selectively communicated or separated from the external environment; 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, 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 can be lifted and placed in the containing cavity, and the cigarette collecting cavity is isolated from the external environment; the lifting cigarette 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 a preferred technical scheme of the cigarette lifting machine, the gravity balance mechanism comprises a constant force spring, a fixed base and a rotating shaft, the fixed base is fixedly connected to the main machine shell, the rotating shaft is rotatably connected to the fixed base, one end of the constant force spring is fixedly connected to the rotating shaft, the other end of the constant force spring is fixedly connected to the cigarette collecting shell, and the constant force spring can be wound on the rotating shaft.

As a preferable technical scheme of the cigarette lifting machine, the part of the constant force spring which is not wound on the rotating shaft extends in the vertical direction.

As the preferred technical scheme of the cigarette lifting machine, the gravity balance mechanism is arranged in the containing cavity, the fixed base is fixedly connected to the inner wall of the top of the containing cavity, and the constant force spring is connected to the top of the outer surface of the cigarette collecting shell.

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 lifting cigarette machine, a cigarette collecting opening is formed in the cigarette collecting shell, the cigarette collecting opening is communicated with the cigarette collecting cavity and the external environment, the cigarette blocking plate is rotatably connected to the cigarette collecting shell and can swing between a first position and a second position, and when the cigarette blocking plate is located at the first position, the cigarette collecting 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, 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 smoking module, wherein the smoking module comprises a fan assembly, a telescopic air pipe and a check valve; the fan assembly is arranged in the smoke collection cavity and is used for absorbing oil smoke; the check valve is arranged on the main machine shell and used for discharging oil smoke; the flexible tuber pipe is located accomodate the intracavity, and the intercommunication fan subassembly with the check valve, flexible tuber pipe can be followed the length direction of flexible tuber pipe is flexible.

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

As the preferred technical scheme of lift cigarette machine, drive module install in accomodate the intracavity, including screw-nut and drive lead screw, the screw-nut rigid coupling in the lateral wall of collection cigarette casing, 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.

The utility model has the advantages that:

this lift cigarette machine has adopted gravity balance mechanism to realize the gravity balance in the lift cigarette machine for the gravity of collection cigarette module self is offset by gravity balance mechanism's elastic force, gravity balance mechanism's elastic force homoenergetic keeps the constant force when the lift cigarette machine is in different states, reduced the power requirement to the drive arrangement of lift cigarette machine from this, the cost of lift cigarette machine has been reduced effectively, the lifting speed of collection cigarette module has been promoted, and then ensured the lift cigarette machine can switch smoothly between operating condition and closed condition.

Drawings

Fig. 1 is a schematic structural view of a lifting cigarette machine provided by the embodiment of the invention in a working state;

FIG. 2 is a schematic structural view of a cigarette lifting machine provided by the embodiment of the present invention in a closed state;

fig. 3 is a schematic structural view of a lifting smoke exhaust ventilator provided in the embodiment of the present invention except for a part of the main frame housing under a working state;

FIG. 4 is a side view of a cigarette lifting machine provided by an embodiment of the present invention in an operating state;

FIG. 5 isbase:Sub>A cross-sectional view taken at plane A-A of FIG. 4;

fig. 6 is an exploded view of a gravity balance mechanism according to an embodiment of the present invention.

In the figure:

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 duct; 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 problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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 solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1-6, 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 includes a smoke collection housing 110, the smoke collection housing 110 forms a smoke collection cavity, and the smoke collection cavity is selectively communicated or isolated from the external environment; 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, and the cigarette collecting cavity is communicated with the external environment; when the lifting smoke machine is in a closed state, the smoke collection module 100 can be lifted and placed in the containing cavity, and the smoke collection cavity is isolated from the external environment; the lift cigarette machine further comprises a gravity balance mechanism 400, the gravity balance mechanism 400 being configured to apply an acting force to the smoke collection module 100 that counteracts the gravity of the smoke collection module 100 throughout the lifting 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, the elastic force of gravity balance mechanism 400 homoenergetic keeps the constant force when the lift cigarette machine is in different states, reduced the power requirement to the drive arrangement of lift cigarette machine from this, the cost of the lift cigarette machine has been reduced effectively, the lifting speed of collection cigarette module 100 has been promoted, and then ensured that the lift cigarette machine can switch smoothly between operating condition and closed condition.

In this embodiment, the gravity balance mechanism 400 includes a constant force spring 430, a fixed base 410 and a rotating shaft 420, the fixed base 410 is fixedly connected to the main housing 210, the fixed base 410 is rotatably connected to the rotating shaft 420, one end of the constant force spring 430 is fixedly connected to the rotating shaft 420, the other end is fixedly connected to the smoke collection housing 110, and the constant force spring 430 can be wound on the rotating shaft 420. Specifically, the fixing base 410 is provided with a base positioning hole 411, the rotating shaft 420 is inserted into the base positioning hole 411, the rotating shaft 420 can rotate around the axis of the rotating shaft 420, the rotating shaft 420 is provided with a positioning slot 421, and one end of the constant force spring 430 is fixedly inserted into the positioning slot 421.

The arrangement of the gravity balance mechanism 400 realizes the elastic connection between the smoke collection module 100 and the host module 200, and ensures the gravity balance in the smoke lifting machine; meanwhile, the constant force spring 430 can be wound around the rotating shaft 420, and the redundant constant force spring 430 can be effectively accommodated, so that the smooth operation of the gravity balance mechanism 400 is ensured; 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.

Preferably, a portion of the constant force spring 430 that is not wound around the rotating shaft 420 extends in a 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 device to overcome the internal resistance of the driving device only in the process of driving the smoke collecting module 100 to ascend and descend, thereby greatly reducing the requirement on the power of the driving device.

In this embodiment, the gravity balance mechanism 400 is disposed in the storage cavity, the fixing base 410 is fixedly connected to the inner wall of the top of the storage cavity, and the constant force spring 430 is connected to the top of the outer surface of the smoke collection housing 110. The above structural design is simple and reliable, and the gravity balance mechanism 400 can work smoothly, and meanwhile, the gravity balance mechanism 400 can be effectively summarized. Not only is the space occupied by the gravity balance mechanism 400 reduced, but also the constant force spring 430 is prevented from being affected by the external environment.

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 lift cigarette machine further comprises a smoking module comprising a fan assembly 140, a telescoping air duct 220, and a check valve 300; the fan assembly 140 is installed in the smoke collection cavity and used for absorbing oil smoke; the check valve 300 is installed on the main body case 210 for discharging the oil smoke; the retractable air duct 220 is disposed in the accommodating cavity and communicated with the fan assembly 140 and the check valve 300, and the retractable air duct 220 can be retracted along the length direction of the retractable air duct 220. Specifically, when the cigarette lifting machine is in a working state, the fan assembly 140 operates; when the range hood is in the off state, the fan assembly 140 is turned off.

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, due to the fact that 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 contamination leakage is greatly reduced. With the help of the telescopic design of the telescopic air pipe 220, the telescopic air pipe 220 can adapt 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 when the cigarette lifting machine is in different states.

In this embodiment, the output of the fan assembly 140 is directly opposite the check valve 300. 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.

Preferably, the main machine 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 of the cigarette collecting module 100 and the width of the main machine housing 210 is small, the cigarette lifting machine can be conveniently arranged in cabinet equipment, 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.

Preferably, the smoke collection module 100 further comprises a smoke baffle 120 mounted on the smoke collection housing 110, wherein 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 cigarette 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 barrier 120 is rotatably connected to the smoke collection housing 110. The design that the smoke baffle 120 is rotatably connected to the smoke collecting shell 110 is simple and reliable, 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 receiving cavity and used for driving the cigarette collecting module 100 to move in the vertical direction relative to the host computer module 200. The driving module plays a role of the driving device, the relative position of the smoke collection module 100 and the host module 200 is adjusted, and the smoke lifting machine is ensured to be smoothly switched between the working state and the closed state.

Further, the driving module includes a screw nut 130 and a driving screw 240, the screw nut 130 is fixedly connected to the outer side wall of the smoke collecting casing 110, the driving screw 240 is fixedly connected to the inner side wall of the main casing 210, the screw nut 130 is installed on the driving screw 240, and the driving screw 240 is used for driving the 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.

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 herein.

It is obvious that the above embodiments of the present invention are only 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. This need not be, nor should it be 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:

a smoke collection module (100) comprising a smoke collection housing (110), the smoke collection housing (110) forming a smoke collection cavity, the smoke collection cavity being selectively communicated or blocked from an external environment;

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 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 (100) can descend and extend out of the containing cavity, 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 placed in the containing cavity, and the cigarette collecting cavity is isolated from the external environment; the lift cigarette machine still includes:

the gravity balance mechanism (400) is used for always applying acting force which is offset with the gravity of the smoke collection module (100) to the smoke collection module (100) in the lifting process.

2. The cigarette lifting machine according to claim 1, wherein the gravity balance mechanism (400) comprises a constant force spring (430), a fixing base (410) and a rotating shaft (420), the fixing base (410) is fixedly connected to the main machine shell (210), the rotating shaft (420) is rotatably connected to the fixing base (410), one end of the constant force spring (430) is fixedly connected to the rotating shaft (420), the other end of the constant force spring is fixedly connected to the cigarette collecting shell (110), and the constant force spring (430) can be wound on the rotating shaft (420).

3. The machine according to claim 2, wherein the portion of the constant force spring (430) not wrapped around the spinning shaft (420) extends in a vertical direction.

4. The elevating cigarette machine as claimed in claim 2, wherein the gravity balance mechanism (400) is disposed in the receiving cavity, the fixing base (410) is fixedly connected to the inner wall of the top of the receiving cavity, and the constant force spring (430) is connected to the top of the outer surface of the smoke collection housing (110).

5. 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.

6. A lifting cigarette machine as claimed in claim 5, characterized in that said cigarette collection housing (110) is provided with a cigarette collection opening communicating said cigarette collection chamber with the external environment, said cigarette blocking plate (120) is rotatably connected to said cigarette collection housing (110) and can swing between a first position and a second position, when said cigarette blocking plate (120) is in said first position, said cigarette collection opening is opened; when the smoke baffle (120) is in the second position, the smoke baffle (120) closes the smoke collection opening.

7. The lifting machine according to claim 1, wherein a sliding block is fixedly connected to an outer side wall of the smoke collection housing (110), a guide rail (230) extending in a vertical direction is fixedly arranged on an inner side wall of the main machine housing (210), and the sliding block is slidably connected to the guide rail (230).

8. The elevating cigarette machine as claimed in claim 1, further comprising a smoking module comprising a fan assembly (140), a telescoping air duct (220) and a check valve (300); the fan assembly (140) is arranged in the smoke collection cavity and used for absorbing oil smoke; the check valve (300) is installed on the main machine housing (210) and used for discharging oil smoke; the telescopic air pipe (220) is arranged in the accommodating cavity and communicated with the fan assembly (140) and the check valve (300), and the telescopic air pipe (220) can stretch along the length direction of the telescopic air pipe (220).

9. A lifting cigarette machine according to any one of claims 1-8 further comprising a drive module for driving the smoke collection module (100) to move in a vertical direction relative to the host module (200).

10. The lifting cigarette machine as claimed in claim 9, wherein the driving module is installed in the containing cavity and 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 cigarette 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.

Images