CN219899572U - Moxibustion smoke extractor - Google Patents

Abstract

The utility model belongs to the field of moxibustion equipment, and discloses a moxibustion smoke extractor which comprises a smoke inlet pipe, a smoke outlet pipe and a shell, wherein the smoke inlet pipe and the smoke outlet pipe are arranged on the shell, a motor and a fan blade are arranged in the shell, the motor is used for driving the fan blade, the fan blade is used for driving airflow, the flow of smoke is convenient, the fan blade can be detached and separated from the motor, and a motor isolation shell is arranged in the shell and is used for isolating the motor from the smoke so as to prevent the motor from being polluted by greasy dirt in the smoke and prevent the motor from being invalid. This design scheme adopts movable fan blade and motor isolation shell technical means, has realized fan blade and motor and has separated, utilizes the motor isolation shell to keep apart the motor simultaneously, and the oil smoke that produces when the moxa-moxibustion like this can be kept apart by the motor isolation shell, prevents its pollution motor, simultaneously because fan blade is the power source that air flows, must can contact with the oil smoke, so adopts dismantlement formula fan blade, solves fan blade's pollution problem.

Description

Moxibustion smoke extractor

Technical Field

The utility model relates to the field of moxibustion physiotherapy equipment, in particular to a moxibustion smoke extractor.

Background

At present, in the moxibustion physiotherapy industry, smoke is particularly heavy sometimes due to the adoption of large-scale moxibustion equipment, so that special smoke exhausting equipment is needed for exhausting smoke.

The current design of fume extractor is the smog that produces the moxibustion instrument, drive the fan through the motor and discharge fume, adopt the technical scheme of axial inlet air and air-out, this kind of technical scheme brings very big defect, because smog can pass through simple filtration after, will discharge again through the organism of motor, in order to reach the effect of discharging fume fast, generally can adopt low-efficient and low-density filter cotton, but under the condition of not fully filtering, there is some oil smoke to enter into the inside of the organism of motor (refer to prior art patent, publication No. CN213346812U, and figure 11), after long-time use, the accumulation of oil smoke can finally lead to the pivot of motor because oily substance's bonding effect appears, thereby lead to discharging fume effect decline, finally make the motor bond completely inefficacy. This situation is similar to a household range hood, which would be disabled if not regularly cleaned.

Therefore, a new design scheme is needed to isolate the motor from the oil smoke, and the oil smoke is prevented from generating a bonding effect.

Disclosure of Invention

The utility model aims to solve the defects, and provides a moxibustion smoke extractor, which is designed into a novel structure, so that the gas containing oil smoke does not directly pass through a motor, and the oil smoke is prevented from directly contacting a motor rotating shaft, so that the service life is prolonged, and meanwhile, the purpose of conveniently cleaning the fan blades is realized through the design scheme of the detachable fan blades.

The object of the utility model is achieved by:

the utility model provides a moxa-moxibustion discharge fume machine, including advancing the tobacco pipe, go out tobacco pipe and casing, advance the tobacco pipe and go out the setting of tobacco pipe on the casing, the inside motor and the fan blade of being equipped with of casing, the motor is used for driving the fan blade, the fan blade is used for driving the air current, the flow of the flue gas of being convenient for, the fan blade can dismantle the separation with the motor, the inside motor isolation shell that is equipped with of casing, fan blade and motor are located the both sides of motor isolation shell respectively, motor isolation shell is used for making motor and flue gas keep apart, prevent the greasy dirt pollution motor in the flue gas, lead to the motor inefficacy (refer to figure 11). The technical means of the movable fan blade and the motor isolation shell are adopted in the design, so that the fan blade and the motor are separated, and the motor and the air containing lampblack are isolated by the motor isolation shell, so that lampblack generated during moxibustion can be isolated by the motor isolation shell, and the motor is prevented from being polluted by the lampblack.

In the above description, as the preferable scheme, the fan blade can be detached and separated from the motor, the center of the motor is provided with a shaft hole, the corresponding motor isolation shell is provided with a guide shaft pipe with a cylindrical tubular structure, the position of the shaft hole corresponds to the position of the guide shaft pipe, the guide shaft pipe and the guide shaft pipe are concentric, the inner diameter of the guide shaft pipe is smaller than the diameter of the shaft hole, the guide shaft pipe is inserted into the shaft hole, the fan blade is of a cylindrical structure with one closed end, a plurality of blades are uniformly distributed at the peripheral edge of the cylinder, a rotating shaft is fixedly arranged at the center of the closed surface and is arranged inside the cylindrical structure and used for being inserted into the guide shaft pipe. The fan blades are arranged on the periphery of the circumference, so that the air flow is turned, the air flow entering from the direction perpendicular to the fan blades is thrown out from the horizontal side surface through the blades, and the direction of the air flow passing through the motor is avoided, and oil pollution and motor contact are avoided. In addition, the sealing surface is used for sealing, so that oil stains are further prevented from entering the motor. The shaft hole of the motor is further plugged and isolated through the design of the guide shaft tube. Thus, the purpose of completely isolating smoke from the motor can be achieved. Even if a small amount of greasy dirt enters the inside of the guide shaft pipe, the fan blade can be detached by the technical means of separating the fan blade from the guide shaft pipe, and the rotating shaft is cleaned, so that the cleaning is ensured, and the rotating shaft is prevented from being solidified due to a large amount of greasy dirt, so that the smoking efficiency is reduced. Meanwhile, as the fan blade is a power source for air flow and is contacted with oil smoke, the detachable fan blade is adopted to solve the pollution problem of the fan blade, and even if the fan blade is polluted, the purpose of eliminating oil stains can be achieved by taking down the blade to clean alone.

In the above description, as a preferable scheme, an annular magnet is provided on the side wall of the inner circle of the cylindrical structure, the annular magnet is closely attached to the side wall of the inner circle, and the magnet is fixedly connected with the fan blade. Through the design of annular magnet, realized the high-efficient operation of fan, because the motor generally produces alternating magnetic field through the electric current, and then drive magnet motion in alternating magnetic field through alternating magnetic field, because magnet is inside the bonding of fan blade, and then has driven the fan blade rotation. The technical scheme further enables the fan blades to be separated from the motor, and avoids damage and condensation of the motor caused by entering smoke, oil stains and the like into the motor.

In the above description, as the preferred scheme, the casing includes upper cover subassembly, shell and lower cover subassembly, lower cover subassembly includes lower cover and actuating cap, and actuating cap closes in the casing below, and the lower cover closes in actuating cap below, is equipped with one towards the inside arch of casing in one side of actuating cap orientation casing, and this arch forms circular motor isolation shell, and the inside hollow part department of motor isolation shell forms the motor and places the position, and the guide shaft pipe sets up at the inside centre of a circle middle part of motor place, and the external diameter of guide shaft pipe is less than the internal diameter of motor shaft hole, is convenient for pass the axle center of motor, makes the motor can overlap on the guide shaft pipe to install in the motor place. Through the design of driving lid, keep apart the motor and the air that has the oil smoke completely, further protection motor's safety, extension motor's life and reduce use cost.

In the above description, as a preferred scheme, the shell is of a hollow through hole structure, the smoke inlet pipe and the smoke outlet pipe are directly connected with the side wall of the shell and are communicated with the inside of the shell, the lower cover component is covered at the lower through hole of the shell and is connected with the shell in a clamping way, and the upper cover component is covered at the upper through hole of the shell and is tightly matched and covered with the shell.

In the above description, as a preferable scheme, the inside of the housing is provided with a hollow baffle, the peripheral periphery of the baffle is connected with the inner wall of the housing in parallel along the circumferential direction, the cavity inside the housing is divided into two parts, the first cavity and the second cavity are divided, the smoke passing opening is formed in the hollow part, the first cavity and the second cavity are communicated through the smoke passing opening, the fan blade is arranged in the second cavity, and the fan blade is arranged below the smoke passing opening and is arranged oppositely, and the size of the smoke passing opening is smaller than the outer diameter of the fan blade. Through hollow baffle's design, improve smoke discharging efficiency by a wide margin, because if advance cigarette and go out the cigarette and mix, can cause gaseous mixing, reduce smoke discharging efficiency, can cause simultaneously that to discharge fume unsmoothly, through this baffle and the design of crossing the mouth of cigarette, separate the cavity that advances cigarette and go out the cigarette, simultaneously because the size of crossing the mouth of cigarette is corresponding with fan blade, make the flow of air, form one-way passageway, can not take place the condition of mixing, the efficiency of discharging fume improves by a wide margin simultaneously.

In the above description, as a preferred scheme, the smoke inlet pipe is communicated with the first chamber, the smoke inlet is formed at the communication position, the smoke is led into the first chamber, the smoke outlet pipe is communicated with the second chamber, and the smoke outlet is formed at the communication position and is used for discharging the smoke through the smoke outlet pipe.

In the above description, be close to the mouth of cigarette in the second cavity inside, be equipped with a perpendicular to the blocking surface of shell inside wall, still be equipped with a cigarette baffle, the cigarette baffle is the cambered surface structure, the one end that blocks the face is connected with the shell inside wall, opposite end is connected with the cambered surface one end of cigarette baffle, the other end and the shell inside wall of cambered surface are connected, this cambered surface is to being close to the lateral wall with the arc mode, until being connected with the lateral wall, form the smoke guide face, the arc structure of cigarette baffle is corresponding with motor direction of rotation, the arc direction and the motor direction of rotation of smoke guide face from high to low are unanimous, the blocking surface is used for stopping the air current and all enters into the smoke guide face again. Through the design of the smoke baffle, the air flow pumped out by the fan blade is extruded through the smoke outlet under the action of the smoke baffle to achieve the optimal smoke discharging effect, and in addition, through the design of the smoke guiding surface, the smoke can be guided along the design of the surface, so that the movement direction and the track of the air flow can be controlled, and meanwhile, the smoke cannot enter the smoke guiding surface again.

In the above description, in the cavity between lower cover and motor isolation shell inside, still be equipped with power and main control circuit board, the power is used for giving the induced-draft fan power supply, main control circuit board is used for controlling the operation of motor and induced-draft fan, still be equipped with button and charging hole under, wherein the button is used for starting and stopping the induced-draft fan, the charging hole is used for with external connection, still be equipped with filter cotton in first cavity inside, be used for filtering smog, advance the tobacco pipe and go out the tobacco pipe and keep away from the both sides that set up at the casing respectively, be used for advancing the cigarette and go out the cigarette respectively, advance the tobacco pipe and go out the tobacco pipe setting on different horizontal planes. Through setting up the tobacco pipe that advances with the tobacco pipe and go out on different horizontal planes, make the air current circulation more smooth, the situation that can not appear backward flow and mix appears.

In the above description, as a preferred scheme, the upper cover assembly includes a cover body, a screw and a concave block, a concave block is disposed on an outward side of the cover body, the concave block and the concave block are relatively matched in a concave position, the block and the concave block are locked by the screw, and a circular lock hole is formed after the block and the concave block are locked.

The beneficial effects of the utility model are as follows: the design through the motor isolation shell keeps apart air and the motor that will contain the oil smoke to the protection motor is not polluted, prevents that the condition of bonding from appearing in the motor, thereby loses the function, simultaneously through detachable fan blade's design, makes movable part (fan blade) and fixed part (motor) separate, thereby even appear slightly polluting the condition of blade and appear, also can carry out convenient cleanness, thereby extension smoke exhauster's life reduces use cost, improves clean efficiency.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is an exploded perspective view of an embodiment of the present utility model;

FIG. 3 is a schematic top view of an embodiment of the present utility model with a shell structure;

FIG. 4 is a schematic bottom view of an outer shell of the embodiment of the present utility model;

FIG. 5 is a schematic bottom view of a fan according to an embodiment of the present utility model;

FIG. 6 is an exploded view of a lower cover assembly according to an embodiment of the present utility model;

FIG. 7 is a cross-sectional view of FIGS. 1 A-A;

FIG. 8 is a schematic bottom view of a driving cap according to an embodiment of the present utility model;

FIG. 9 is a schematic cross-sectional view of a lower cover assembly according to an embodiment of the present utility model;

FIG. 10 is an enlarged view of FIG. 4A-1;

FIG. 11 is a background art illustration;

1 is an upper cover assembly, 101 is a clamping block, 102 is a screw, 103 is a cover body, 104 is a lock hole, 105 is a concave block, 2 is a shell, 201 is a smoke inlet, 2011 is a smoke inlet, 202 is a smoke outlet, 2021 is a smoke outlet, 203 is a first chamber, 2031 is filter cotton, 204 is a baffle plate, 205 is a fan blade, 2051 is a smoke outlet, 2052 is a magnetic ring, 206 is a second chamber, 207 is a smoke baffle plate, 2071 is a blocking surface, 2072 is a smoke guide surface, 208 is a smoke inlet pipe, 209 is a smoke outlet pipe, 210 is a clamping piece, 3 is a lower cover assembly, 301 is a rotating shaft, 302 is a motor isolation shell, 3021 is a smoke guide pipe, 3022 is a motor placement position, 303 is a main control circuit board, 304 is a driving cover, 305 is a motor, 306 is a lower cover, 3061 is a switch button, 3062 is a buckle, and 307 is a power supply.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the detailed description.

The utility model aims at realizing the following steps:

the moxibustion smoke extractor comprises an upper cover assembly 1, a shell 2 and a lower cover assembly 3, wherein the upper cover assembly 1 is arranged above the shell 2 and is in tight fit and sealing connection with the shell 2, and a sealing rubber ring can be added for sealing in order to achieve a better effect; the lower cover assembly 3 is disposed below the housing 2 (refer to fig. 1 and 2), the lower cover assembly 3 is provided with a buckle 3062, the lower portion of the housing 2 is provided with a locking member 210, and the lower cover assembly 3 is rotatably and movably connected with the housing 2 through the cooperation of the buckle 3062 and the locking member 210 (refer to fig. 4).

The upper cover assembly 1 consists of a clamping block 101 and a cover body 103, wherein the clamping block 101 is arranged above the cover body 103, a concave block 105 is arranged on the cover body 103, two through holes are respectively formed in the convex parts of the clamping block 101 and the concave block 105, the through holes of the clamping block 101 and the concave block 105 correspond to each other, a screw 102 is arranged on the clamping block 101, and the screw 102 is inserted into the through hole of the clamping block 101 from top to bottom and penetrates through the through hole of the concave block 105 to enable the cover body 103 to be fixedly connected with the clamping block 101; the lower part of the clamping block 101 is provided with a semicircular groove, the concave part of the concave block 105 is also a semicircular groove, the semicircular grooves of the concave block and the clamping block are mutually corresponding, when the cover body 103 is fixedly connected with the clamping block 101, the semicircular grooves of the concave block and the clamping block form a circular ring, the circular ring is a lock hole 104, the lock hole 104 is used for penetrating through an external fixing piece, so that the smoke extractor is fixedly connected with the external fixing piece, and when the outer diameter of the external fixing piece is larger than the inner diameter of the lock hole 104, the size of the lock hole 104 can be adjusted through the screw 102 (refer to figure 2).

The shell 2 is of a cylindrical structure, the shell 2 is provided with a smoke inlet pipe 208 and a smoke outlet pipe 209, the interior of the shell 2 comprises a first chamber 203 and a second chamber 206, a baffle 204 is arranged in the middle of the interior of the shell 2, the area above the baffle 204 is the first chamber 203, and the area below the baffle 204 is the second chamber 206; the smoke inlet pipe 208 is arranged above the outer side of the shell 2, the smoke inlet pipe 208 is of a hollow cylindrical structure, a hollow part inside the smoke inlet pipe 208 is a smoke inlet flue 2011, the smoke inlet flue 2011 is connected with the first chamber 203, a smoke inlet 201 is formed at the communication position, and smoke enters the first chamber 203 through the smoke inlet 201. The first chamber 203 is used for filtering smoke, filter cotton 2031 is arranged in the first chamber 203, and the smoke enters the first chamber 203 and is filtered; the baffle 204 is provided with a smoke passing port 2051, and smoke is filtered in the first chamber 203 and then enters the second chamber 206 through the smoke passing port 2051 (see fig. 3 and 7).

The smoke outlet pipe 209 is arranged below the outer side of the shell 2, the smoke outlet pipe 209 is of a hollow cylindrical structure, the hollow part in the interior is a smoke outlet flue 2021, the smoke outlet flue 2021 is connected with the second chamber 206, a smoke outlet 202 is formed at the communication position, and smoke is discharged through the smoke outlet pipe 209 (refer to fig. 4 and 7); the second chamber 206 is provided with fan blades 205, and smoke in the first chamber 203 is filtered and then sucked into the second chamber 206 from the smoke passing port 2051 by the fan blades 205. A circular arc-shaped smoke baffle 207 is arranged in the second chamber 206, the smoke baffle 207 is attached to the inner wall of the second chamber 206 and is fixedly connected with the inner wall of the second chamber 206, the smoke baffle 207 is divided into a blocking surface 2071 and a smoke guiding surface 2072, the smoke guiding surface 2072 is a circular arc edge of the smoke baffle 207, the blocking surface 2071 is a straight edge of the smoke baffle 207, when the fan pumps smoke into the second chamber 206, the smoke can circularly flow along the smoke guiding surface 2072 and then contacts the blocking surface 2071, the blocking surface 2071 is arranged on the side surface of the smoke outlet 2021 close to an opening in the second chamber 206, and after the smoke contacts the blocking surface 2071, the smoke can flow towards the smoke outlet 2021 and is discharged outwards through the smoke outlet 202 (refer to fig. 4 and 10).

The lower cover assembly 3 comprises a driving cover 304 and a lower cover 306, the lower cover 306 and the driving cover 304 are fixedly connected through a buckle 3062 or a screw 102, the driving cover 304 is covered below the shell 2, the lower cover 306 is covered below the driving cover 304, a motor 305, a main control circuit board 303 and a power supply 307 are further arranged between the driving cover 304 and the lower cover 306, the motor 305 is used for driving the fan blade 205, the main control circuit board 303 is used for controlling the opening and closing of the smoke exhaust fan, and the power supply 307 is used for providing power for the smoke exhaust machine. The main control circuit board 303 is electrically connected to the power supply 307, and the motor 305 is electrically connected to the main control circuit board 303 through wires. The lower cover 306 is provided with a switch button 3061, the switch button 3061 is contacted with a control key of the main control circuit board 303, and the main control circuit board 303 can be started by pressing the switch button 3061; the inside hollow structure that is in fan blade 205 center forms the interior circle, is equipped with a magnetic ring 2052 in the interior circle, and this magnetic ring 2052 cooperates with the coil on the motor 305, and when main control circuit board 303 control motor 305 starts, the coil of motor 305 can conduct electricity, and the coil can form alternating current, and the magnetic ring 2052 can rotate after sensing alternating current, and the rotatory magnetic ring 2052 can drive fan blade 205 and rotate together to this reaches motor 305 and the purpose of fan blade 205 contactless (refer to fig. 5, 6).

On the driving cover 304, an upwardly protruding motor isolation shell 302 is provided, the motor isolation shell 302 is used for isolating the motor 305, the motor 305 is prevented from being polluted by smoke in the outer shell 2, a motor placement position 3022 is formed at the hollow part of the inner side of the motor isolation shell 302 towards the lower cover 306, a guide shaft pipe 3021 extending towards the direction of the lower cover 306 is provided at the inner surface of the motor placement position 3022, a through hole is arranged at the center of the guide shaft pipe 3021, and the through hole penetrates through the motor isolation shell 302 and the guide shaft pipe 3021. The motor 305 is provided with a shaft hole, the inner diameter of the hole is larger than the outer diameter of the guide shaft pipe 3021, the center of the inner circle of the fan blade 205 is provided with a rotating shaft 301, the outer diameter of the rotating shaft 301 is smaller than the inner diameter of the through hole of the guide shaft pipe 3021, during installation, the shaft hole of the motor 305 penetrates through the guide shaft pipe 3021, the whole is inserted into the motor placement position 3022 inside the motor isolation casing 302 from bottom to top, the rotating shaft 301 of the fan blade 205 is inserted into the through holes of the motor isolation casing 302 and the guide shaft pipe 3021 from top to bottom, and the fan blade 205 is fixed above the motor isolation casing 302, so that the fan is prevented from shaking or separating during rotation. The purpose of this design is that the motor 305 as a whole is not in contact with the fumes inside the housing 2, avoiding that fumes enter the interior of the motor 305, which could cause the motor 305 to become contaminated with oil (see fig. 6, 8, 9).

The foregoing is a further detailed description of the utility model in connection with specific preferred embodiments, and is not intended to limit the practice of the utility model to such description. It will be apparent to those skilled in the art that several simple deductions or substitutions can be made without departing from the spirit of the utility model, and the scope of the utility model is to be considered as the scope of the utility model.

Claims (10)

1. The utility model provides a moxa-moxibustion fume extractor, is including advancing tobacco pipe (208), goes out tobacco pipe (209) and casing, advances tobacco pipe (208) and go out tobacco pipe (209) setting on the casing, and the casing is inside to be equipped with motor (305) and fan blade (205), and motor (305) are used for driving fan blade (205), and fan blade (205) are used for driving the air current, the flow of the flue gas of being convenient for, its characterized in that: a motor isolation shell (302) is arranged in the shell, the fan blades (205) and the motor (305) are respectively arranged on two sides of the motor isolation shell (302), the motor isolation shell (302) is used for isolating the motor (305) from smoke, and oil stains in the smoke are prevented from polluting the motor (305), so that the motor (305) is invalid.

2. The moxibustion smoke extractor according to claim 1, characterized in that: the fan blade (205) can be detached from the motor (305), a shaft hole is formed in the center of the motor (305), a guide shaft pipe (3021) of a cylindrical tubular structure is arranged on the corresponding motor isolation shell (302), the position of the shaft hole corresponds to that of the guide shaft pipe (3021), the shaft hole and the guide shaft pipe are concentric, the inner diameter of the guide shaft pipe (3021) is smaller than that of the shaft hole, the guide shaft pipe (3021) is inserted into the shaft hole, the fan blade (205) is of a cylindrical structure with one end being sealed, a plurality of blades are uniformly distributed on the periphery of the cylinder, a rotary shaft (301) is fixedly arranged at the center of the sealing surface, and the rotary shaft (301) is arranged inside the cylindrical structure and is used for being inserted into the guide shaft pipe (3021).

3. The moxibustion smoke extractor according to claim 2, characterized in that: annular magnets are arranged on the side walls of the inner circle of the cylindrical structure of the fan blades (205), the annular magnets are closely attached to the side walls of the inner circle, and the magnets are fixedly connected with the fan blades (205).

4. A moxibustion smoke extractor according to claim 3, characterised in that: the shell comprises an upper cover assembly (1), a shell (2) and a lower cover assembly (3), the lower cover assembly (3) comprises a lower cover (306) and a driving cover (304), the driving cover (304) is covered below the shell, the lower cover (306) is covered below the driving cover (304), one side of the driving cover (304) facing the shell is provided with a bulge protruding towards the inside of the shell, the bulge forms a circular motor isolation shell (302), a motor placement position (3022) is formed at the inner hollow part of the motor isolation shell (302), a guide shaft pipe (3021) is arranged at the middle part of the inner circle center of the motor placement position (3022), the outer diameter of the guide shaft pipe (3021) is smaller than the inner diameter of a shaft hole of the motor (305), the motor (305) can conveniently penetrate through the shaft center of the motor (305), and the motor (305) can be sleeved on the guide shaft pipe (3021) and is arranged in the motor placement position (3022).

5. The moxibustion smoke extractor according to claim 4, wherein: the shell (2) is of a hollow through hole structure, the smoke inlet pipe (208) and the smoke outlet pipe (209) are directly connected with the side wall of the shell (2) and are communicated with the inside of the shell (2), the lower cover component (3) is covered at the lower through hole of the shell (2) and is connected with the shell (2) in a clamping mode, and the upper cover component (1) is covered at the upper through hole of the shell (2) and is tightly matched with the shell (2).

6. The moxibustion smoke extractor according to claim 4 or 5, characterized in that: the inside hollow baffle that separates that is equipped with of shell (2), the peripheral periphery of baffle is connected with the inner wall of shell (2) along circumference direction in parallel, divide into two parts with the inside cavity of shell (2), divide into first cavity (203) and second cavity (206), the cavity department forms and crosses cigarette mouth (2051), first cavity (203) and second cavity (206) communicate with each other through cigarette mouth (2051), fan blade (205) set up in second cavity (206), in the below of crossing cigarette mouth (2051), and set up relatively, and the size through cigarette mouth (2051) is less than the external diameter of fan blade (205).

7. The moxibustion smoke extractor according to claim 6, wherein: the smoke inlet pipe (208) is communicated with the first chamber (203), a smoke inlet (201) is formed at the communication position, smoke is led into the first chamber (203), the smoke outlet pipe (209) is communicated with the second chamber (206), and a smoke outlet (202) is formed at the communication position and used for discharging the smoke through the smoke outlet pipe (209).

8. The moxibustion smoke extractor according to claim 7, wherein: the inside cigarette outlet (202) that is close to of second cavity (206), be equipped with one perpendicular to the blocking surface (2071) of shell (2) inside wall, still be equipped with one and keep off cigarette board (207), keep off cigarette board (207) be cambered surface structure, the one end of blocking surface (2071) is connected with shell (2) inside wall, opposite end is connected with cambered surface one end of keeping off cigarette board (207), the other end of cambered surface is connected with shell (2) inside wall, this cambered surface is close to the lateral wall with the arc mode, until being connected with the lateral wall, form the smoke guide face, the cambered structure of cigarette board (207) is corresponding with motor (305) direction of rotation, the smoke guide face is unanimous from high to low arc direction and motor (305) direction of rotation, it is used for stopping that the air current all enters into the smoke guide face again to block face (2071).

9. The moxibustion smoke extractor according to claim 8, wherein: inside the cavity between lower cover (306) and motor isolation shell (302), still be equipped with power (307) and main control circuit board (303), power (307) are used for giving the induced-draft fan power supply, main control circuit board (303) are used for controlling the operation of motor (305) and induced-draft fan, still be equipped with button and hole that charges on lower cover (306), wherein the button is used for starting and stopping the induced-draft fan, the hole that charges is used for with external connection, still be equipped with filter cotton (2031) in first cavity (203) inside, be used for filtering smog, advance tobacco pipe (208) and go out tobacco pipe (209) and keep away from the both sides that set up at the casing respectively, be used for advancing cigarette and go out cigarette respectively, advance tobacco pipe (208) and go out tobacco pipe (209) setting on different horizontal planes.

10. The moxibustion smoke extractor according to claim 9, characterized in that: the upper cover assembly (1) comprises a cover body (103), a screw (102) and a concave clamping block (101), wherein a concave block (105) is arranged on one outward side of the cover body (103), the concave parts of the concave clamping block (101) and the concave block (105) are matched relatively, the clamping block (101) and the concave block (105) are locked through the screw (102), and a circular lock hole (104) is formed after the clamping block (101) and the concave block (105) are locked.