CN212930127U - Volute wind power cyclic utilization range hood - Google Patents

Volute wind power cyclic utilization range hood Download PDF

Info

Publication number
CN212930127U
CN212930127U CN202020960443.6U CN202020960443U CN212930127U CN 212930127 U CN212930127 U CN 212930127U CN 202020960443 U CN202020960443 U CN 202020960443U CN 212930127 U CN212930127 U CN 212930127U
Authority
CN
China
Prior art keywords
air
impeller
air outlet
casing
wind
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020960443.6U
Other languages
Chinese (zh)
Inventor
朱泽春
杨哲
梁宇超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Jiuchuang Home Appliances Co ltd
Original Assignee
Joyoung Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Joyoung Co Ltd filed Critical Joyoung Co Ltd
Priority to CN202020960443.6U priority Critical patent/CN212930127U/en
Application granted granted Critical
Publication of CN212930127U publication Critical patent/CN212930127U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Air-Flow Control Members (AREA)

Abstract

The utility model discloses a spiral case wind-force cyclic utilization cigarette machine, including wind-collecting cover, spiral case and air-out seat, air-out seat department is equipped with the air-blast device, the air-blast device includes first impeller and air-blower, the outside protrusion of air-out seat lateral wall has the chamber of holding, the rotatable intracavity that holds of locating of first impeller, the air-blower is located air-out seat outside and is located and holds chamber one side, the air-blower includes casing and its inside second impeller that rotates the setting, the pivot of first impeller is passed in proper order and is held chamber, casing connection in second impeller, the casing has air intake and air outlet, the air outlet of casing is connected with the guide duct, the guide duct is connected in the air curtain device. The utility model discloses a spiral case wind-force cyclic utilization cigarette machine utilizes oil smoke waste gas to produce the air current and provides power for the air curtain device, under the condition that does not increase the fan, for the user provides the gas barrier of isolated oil smoke, this is controllable from leading to the fact, and the energy consumption is lower.

Description

Volute wind power cyclic utilization range hood
Technical Field
The utility model relates to a kitchen appliance, concretely relates to range hood.
Background
The range hood is a necessary product of modern kitchens, has the function of purifying oil smoke and then exhausting the oil smoke to the outside, reduces the harm of the oil smoke to human bodies and the pollution to the indoor environment, and in the actual use process, because the range hood is in an open type, most of the range hoods do not enter the range hood but directly diffuse to the indoor. In the prior art, an air curtain is adopted for shielding oil smoke, namely, a suspended oil smoke machine can generate an air curtain forming a certain angle with the vertical direction so as to prevent the oil smoke from overflowing and effectively protect a cooker from being damaged by the oil smoke. The protective wall is formed at the front end of the machine body, and the oil smoke which is dissociated and retained at the chest and the head of a cooker is rewound into the smoke collecting area and is completely discharged, so that the health and the environmental protection are really realized;
however, the existing air curtain has the problem that the air curtain can not change direction, so that the angle of the air curtain can not be adjusted according to requirements, under the condition that oil smoke is suddenly increased, the air curtain blowing vertically and downwards can not be well used as a gas barrier between a user and the oil smoke, and the oil smoke can be forcedly separated into two parts, so that the oil smoke outside the air curtain can not rise to enter a smoke collecting cavity of the range hood;
the existing air curtain supplies air through an additional motor or an air pump, so that the manufacturing cost is greatly increased, the electric energy is not saved, the exhaust gas flow speed of a smoke exhaust pipe of the range hood is very high, the kinetic energy of the exhaust gas with oil smoke can be recycled, the power of the exhaust gas of the range hood is utilized to provide power for the air blower, the air curtain system is supplied with air, the relation between the pressure loss of the range hood and the wind power of the air blower is coordinated, and the suction force of the range hood is kept as much as possible while the air flow of the air curtain system is enough.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims to overcome the defects of the prior art, and provides a volute wind power recycling cigarette machine, which comprises a first impeller installed at the position of an air outlet seat and rotating by waste gas, when the waste gas at the position of the air outlet seat passes through the first impeller, the first impeller can be pushed to rotate, the rotating first impeller further drives an air blower to do work, so that the air blower generates wind power, in order to enable the waste gas to better apply force to the first impeller, only part of the first impeller is positioned on the circulation track of the waste gas, therefore, a containing cavity is arranged on the side wall of the air outlet seat, the part of the first impeller is arranged in the containing cavity, the contact between the first impeller and the air is reduced, the kinetic energy loss when the turbulence of the first impeller is reduced, when the first impeller drives a second impeller to rotate in a casing, negative pressure is formed at the air inlet of the casing to suck the air, and air flow is blown out through the air outlet of the, the air flow is introduced into the air curtain device through the air guide pipe, and the air flow generated by the oil smoke waste gas is used for providing power for the air curtain device and providing a gas barrier for isolating the oil smoke for users.
The technical scheme is as follows: a spiral case wind-force cyclic utilization cigarette machine, including wind-collecting cover, spiral case and air-out seat, air-out seat department is equipped with the air-blast device, the air-blast device includes first impeller and air-blower, the outside protrusion of air-out seat lateral wall has the chamber of holding, the rotatable intracavity that holds of locating of first impeller, the air-blower is located air-out seat outside and is located and holds chamber one side, the air-blower includes casing and its inside second impeller that rotates the setting, the pivot of first impeller is passed in proper order and is held chamber, casing connection in second impeller, the casing has air intake and air outlet, the air outlet of casing is connected with the guide duct, the guide duct is connected in the air curtain device.
The casing is cylinder cavity structure, the pivot department that the casing is located the second impeller has the first opening that forms the air intake, the casing is located the second opening that blade surface department of second impeller has the formation air outlet, first opening is located the casing and is deviated from air-out seat one side.
The air outlet of the shell is connected with an air guide part, the end part of the air guide pipe is provided with a bearing part with the gradually enlarged caliber, and the air guide part is connected with the port of the bearing part in a matching way.
The air curtain device is arranged in the air collecting cover, one end of the air guide pipe is connected to an air guide part of the air blower, and the other end of the air guide pipe penetrates through the air collecting cover to be connected to the air curtain device.
The outer diameter of the first impeller is not smaller than that of the second impeller.
The spiral case is internally provided with a wind wheel, a rotating shaft of the wind wheel is perpendicular to a rotating shaft of the first impeller, and the outline of the inner wall of the accommodating cavity is matched with the first impeller.
One fifth to one half of the first impeller extends out of the accommodating cavity, and the projection of the first impeller relative to the vertical direction of the wind wheel is located on one side of the rotating shaft of the wind wheel.
The air curtain device comprises an air outlet cylinder arranged inside the air collecting cover, an air inlet of the air outlet cylinder is connected to the air guide pipe, and the air outlet cylinder is provided with an air outlet adjusting portion used for adjusting the wind direction.
The air outlet adjusting part is provided with an air outlet groove, and the air outlet adjusting part rotates relative to the air outlet cylinder to adjust the air outlet angle of the air outlet groove.
The air-out regulating part is a cylindrical barrel with a cavity, the outer surface of the cylindrical barrel is in fit with the inner surface of the air outlet barrel, the cylindrical barrel is provided with an air inlet groove, the air inlet groove of the cylindrical barrel is corresponding to the air inlet of the air outlet barrel, and the air outlet barrel is provided with a strip-shaped groove corresponding to the air outlet groove.
Has the advantages that: the utility model discloses a spiral case wind-force cyclic utilization cigarette machine, install the first impeller that utilizes waste gas pivoted in the position department of air-out seat, when the waste gas of air-out seat department passes through first impeller, can promote first impeller rotatory, the first impeller of pivoted and then drive the air-blower and do work, make the air-blower produce wind-force, in order to make the waste gas can cross the better application of force to first impeller, first impeller only partially is located the circulation orbit of waste gas, therefore set up and hold the chamber in air-out seat lateral wall, make first impeller part in holding the intracavity, reduce the contact of first impeller and air, kinetic energy loss when reducing the vortex of first impeller, when first impeller drives second impeller and rotates in the casing, form the negative pressure and inhale the air in the air inlet department of casing, and blow off the air current through the air outlet of casing, introduce this air current into the air curtain device through the guide duct, utilize oil smoke waste gas to produce the air current and provide power for the air curtain device, under the condition of not increasing a fan, a gas barrier for isolating oil smoke is provided for a user, so that the cost is controllable, and the energy consumption is low;
the air inlet is arranged at the position, close to the rotating shaft of the second impeller, of the shell, so that the air suction efficiency is high, the air inlet is arranged at one side, away from the air outlet seat, so that the peculiar smell of the sucked air mixed with waste gas can be effectively reduced, and meanwhile, the air outlet is arranged on the annular wall, corresponding to the blade surface of the second impeller, of the shell, and the air in the shell is sprayed outwards;
the diameter of the adapting part is gradually reduced from the direction of the airflow from the air guide part to the air guide pipe, the air is compressed when flowing through the adapting part, the adapting part has the effect of improving the flow rate of the air, and the air guide part is connected with the adapting part through a sealing flange to ensure the air tightness;
the air guide pipe is arranged between the decorative cover and the volute, the inner space of the range hood is not occupied, the air curtain device is arranged inside the air collecting cover, and the overall appearance of the range hood is tidy;
the air curtain device needs a certain air output to achieve the air shielding effect, so that the air blower needs enough power to achieve higher air flow, and the second impeller is driven by the first impeller, so that enough rotating speed can be provided for the second impeller only under the condition that the outer diameter of the first impeller is larger;
because the blades of the first impeller and the wind wheel are arranged in parallel to the direction of the rotating shaft of the first impeller and the wind wheel, only under the condition that the first impeller and the wind wheel are arranged vertically to each other, the airflow generated by the wind wheel can better act on the blades of the first impeller, and the transmission efficiency of the waste gas and the first impeller is highest;
the wind wheel mainly plays a role in discharging oil smoke, the oil smoke discharging speed is an important index of the range hood, in order to balance the smoke discharging speed with the air output of the air blower, only part of the first impeller is positioned on the flow path of the wind generated by the wind wheel, and the wind generated by the wind wheel is mainly blown out along the tangential direction of the periphery of the wind wheel, so that the air flow generated by the wind wheel can be well utilized and the oil smoke can be better discharged under the condition that the vertical direction projection of the first impeller relative to the wind wheel is positioned on one side of the rotating shaft of the wind wheel;
the traditional air curtain devices are all directional air flows, and the shape of an air flow barrier generated by the air curtain device cannot be changed along with the adjustment of the size of oil smoke, so that the air flow direction of the air curtain device is changed through the air outlet adjusting part;
the air blower sends the air flow into the air outlet cylinder through the air guide pipe, and the air outlet adjusting part is provided with an air outlet groove, so that a flat air curtain barrier can be formed when the air flows out through the air outlet groove, and the angle of the air outlet groove is adjusted by rotating the air outlet adjusting part, so that the direction of an air curtain is adjusted;
air-out regulating part is cylindricly with the play dryer, and air-out regulating part outer wall rotates the setting with the laminating of play dryer inner wall, make the air current in the guide duct can not flow from the gap between air-out regulating part and the play dryer, can both outwards blow off the air current for the direction of the difference that makes out the air duct, the bar fluting width that goes out the dryer will be greater than the air outlet groove of air-out regulating part, the air inlet duct width of air-out regulating part is greater than the air inlet of a dryer, make the air outlet groove remove the in-process in bar fluting width within range, the air current in the guide duct can be accepted to the air inlet duct of air-out regulating part, go out the air duct simultaneously and can not be by the inner wall shutoff.
Drawings
FIG. 1 is a schematic view of the whole structure of the cigarette machine of the present invention;
FIG. 2 is a view showing the inner structure of the wind collecting cover of the cigarette machine of the present invention;
FIG. 3 is an exploded view of the structure of the cigarette machine of the present invention;
FIG. 4 is a side plan view of the whole machine shaft of the cigarette making machine of the present invention;
FIG. 5 is a view showing the internal structure of the blower of the cigarette machine of the present invention;
figure 6 is the whole machine top view of the cigarette machine of the utility model.
Detailed Description
The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.
As shown in fig. 1 to 6, the present invention relates to a spiral casing wind power recycling smoke ventilator, which comprises a wind collecting cover 100, a spiral casing 200 and an air outlet base 300, wherein an air blower 400 is disposed at the air outlet base 300, the air blower 400 comprises a first impeller 410 and an air blower 420, a containing cavity 310 is protruded outwardly from a side wall of the air outlet base 300, the first impeller 410 is rotatably disposed in the containing cavity 310, the air blower 420 is disposed outside the air outlet base 300 and located at one side of the containing cavity 310, the air blower 420 comprises a casing 421 and a second impeller 422 rotatably disposed therein, a rotating shaft of the first impeller 410 sequentially passes through the containing cavity 310, the casing 421 is connected to the second impeller 422, the casing 421 has an air inlet 4211 and an air outlet 4212, the air outlet 4212 of the casing 421 is connected to an air guide duct 500, the air guide duct 500 is connected to an air curtain device, the first impeller 410 which rotates by using waste gas is disposed at the position of the air outlet base 300, when, the first impeller 410 can be pushed to rotate, the rotating first impeller 410 drives the blower 420 to do work, so that the blower 420 generates wind power, in order to enable the exhaust gas to better apply force to the first impeller 410, only part of the first impeller 410 is located in the circulation track of the exhaust gas, therefore, the side wall of the air outlet base 300 is provided with the accommodating cavity 310, the part of the first impeller 410 is arranged in the accommodating cavity 310, the contact between the first impeller 410 and the air is reduced, the kinetic energy loss during the turbulent flow of the first impeller 410 is reduced, when the first impeller 410 drives the second impeller 422 to rotate in the casing 421, negative pressure is formed at the air inlet 4211 of the casing 421 to suck the air, the air flow is blown out through the air outlet 4212 of the casing 421, the air flow is introduced into the air curtain device through the air guide pipe 500, the air flow generated by the oil smoke exhaust gas is used for providing power for the air curtain device, and a gas barrier for isolating oil smoke is provided, the self-production cost is controllable, and the energy consumption is low;
the casing 421 is a cylindrical cavity structure, a first opening forming an air inlet 4211 is formed at a position, located at a rotating shaft of the second impeller 422, of the casing 421, a second opening forming an air outlet 4212 is formed at a position, located at a blade surface of the second impeller 422, of the casing 421, the first opening is arranged at one side, away from the air outlet base 300, of the casing 421, the air inlet 4211 is arranged at a position, close to the rotating shaft of the second impeller 422, of the casing 421, so that air suction efficiency is high, the air inlet 4211 is arranged at one side, away from the air outlet base 300, so that peculiar smell of sucked air mixed with waste gas can be effectively reduced, meanwhile, the air outlet 4212 is arranged on a ring wall 4213, corresponding to the blade surface of the;
an air outlet 4212 of the casing 421 is connected with an air guiding portion 430, an end of the air guiding pipe 500 is provided with a socket 510 with a gradually enlarged caliber, the air guiding portion 430 is connected with a port of the socket 510 in a matching manner, the caliber of the socket 510 is gradually reduced from the direction of air flow from the air guiding portion 430 to the air guiding pipe 500, the air is compressed when flowing through the socket 510, the socket 510 has an effect of improving the flow rate of the air, and the air guiding portion 430 is connected with the socket 510 through a sealing flange, so that the air tightness is guaranteed;
the external of the spiral case 200 is provided with a decoration cover 600, the air guide pipe 500 is arranged between the decoration cover 600 and the spiral case 200, the air curtain device is arranged in the air collecting cover 100, one end of the air guide pipe 500 is connected to the air guide part 430 of the air blower 420, the other end of the air guide pipe passes through the air collecting cover 100 and is connected to the air curtain device, the air guide pipe 500 is arranged between the decoration cover 600 and the spiral case 200, the internal space of the range hood is not occupied, the air curtain device is arranged in the air collecting cover 100, and the overall appearance;
the outer diameter of the first impeller 410 is not smaller than that of the second impeller 422, and the air curtain device needs a certain air output to achieve the air shielding effect, so that the blower 420 needs sufficient power to achieve a high air flow rate, and the second impeller 422 is driven by the first impeller 410, so that sufficient rotating speed can be provided for the second impeller 422 only when the outer diameter of the first impeller 410 is large;
the wind wheel 210 is arranged in the volute 200, the rotating shaft of the wind wheel 210 and the rotating shaft of the first impeller 410 are arranged in a mutually perpendicular mode, the inner wall profile of the accommodating cavity 310 is matched with the first impeller 410, and because the blades of the first impeller 410 and the wind wheel 210 are arranged in a direction parallel to the rotating shafts of the first impeller 410 and the wind wheel 210, only under the condition that the first impeller 410 and the wind wheel 210 are arranged in a mutually perpendicular mode, the airflow generated by the wind wheel 210 can better act on the blades of the first impeller 410, and the transmission efficiency of the exhaust gas and the first impeller 410 is highest;
one fifth to one half of the first impeller 410 extends out of the accommodating cavity 310, the first impeller 410 is located on one side of a rotating shaft of the wind wheel 210 relative to the vertical projection of the wind wheel 210, the wind wheel 210 mainly serves to discharge oil smoke, the discharge speed of the oil smoke is an important index of the range hood, in order to balance the smoke discharge speed with the air output of the air blower, the first impeller 410 can only be partially located on a flow path of wind generated by the wind wheel 210, and therefore the wind pressure loss of the wind wheel 210 is reduced, and as the wind generated by the wind wheel 210 is mainly blown out along the tangential direction of the periphery of the wind wheel, when the vertical projection of the first impeller 410 relative to the wind wheel 210 is located on one side of the rotating shaft of the wind wheel 210, the air flow generated by the wind wheel 210 can be well utilized, and the oil smoke can be better discharged;
the air curtain device comprises an air outlet barrel 700 arranged inside the air collecting cover 100, an air inlet of the air outlet barrel 700 is connected to the air guide pipe 500, the air outlet barrel 700 is provided with an air outlet adjusting part 800 for adjusting the wind direction, the traditional air curtain device adopts directional air flow, the air flow direction cannot be adjusted along with the size of oil smoke, the shape of an air flow barrier generated by the air curtain device is changed, and therefore the air flow direction of the air curtain device is changed through the air outlet adjusting part 800;
the air flow in the air outlet cylinder 700 can enter the air outlet adjusting part 800, the air outlet adjusting part 800 is provided with an air outlet groove 810, the air outlet adjusting part 800 rotates relative to the air outlet cylinder 700 to adjust the air outlet angle of the air outlet groove 810, the air blower 420 sends the air flow into the air outlet cylinder 700 through the air guide pipe 500, and as the air outlet adjusting part 800 is provided with the air outlet groove 810, when the air flows out through the air outlet groove 810, a flat air curtain barrier can be formed, and the angle of the air outlet groove 810 is adjusted by rotating the air outlet adjusting part 800, so that the direction of an air curtain is adjusted;
the air outlet adjusting part 800 is a cylindrical barrel with a cavity, the outer surface of the cylindrical barrel is fitted with the inner surface of the air outlet barrel 700, the cylindrical barrel is provided with an air inlet groove 820, the air inlet groove 820 of the cylindrical barrel corresponds to the air inlet of the air outlet barrel 700, the air outlet barrel 700 is provided with a strip-shaped open groove 710 corresponding to the air outlet groove 810, the air outlet adjusting part 800 and the air outlet barrel 700 are both cylindrical, the outer wall of the air outlet adjusting part 800 is fitted with the inner wall of the air outlet barrel 700 and rotatably arranged, so that the airflow in the air guide pipe 500 cannot flow out from the gap between the air outlet barrel 700 and the air guide pipe 800, in order to ensure that the airflow can be blown out from different directions of the air outlet groove 810, the width of the strip-shaped open groove 710 of the air outlet barrel 700 is larger than that of the air outlet groove 810, the width of the air inlet groove 820 of the air outlet adjusting part 800 is larger than that the air inlet groove of the, meanwhile, the air outlet groove 810 is not blocked by the inner wall of the air outlet cylinder 700, but is blown out from the strip-shaped groove 710.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A volute wind-force cyclic utilization cigarette machine which characterized in that: including wind-collecting cover, spiral case and air outlet seat, air outlet seat department is equipped with the air-blast device, the air-blast device includes first impeller and air-blower, the outside protrusion of air outlet seat lateral wall has the chamber of holding, rotatable the locating of first impeller holds the intracavity, the air-blower is located air outlet seat outside and is held chamber one side, the air-blower includes casing and its inside second impeller that rotates the setting, the pivot of first impeller passes in proper order and holds chamber, casing connection in second impeller, the casing has air intake and air outlet, the air outlet of casing is connected with the guide duct, the guide duct is connected in the air curtain device.
2. The spiral casing wind power recycling machine of claim 1, wherein: the casing is cylinder cavity structure, the pivot department that the casing is located the second impeller has the first opening that forms the air intake, the casing is located the second opening that blade surface department of second impeller has the formation air outlet, first opening is located the casing and is deviated from air-out seat one side.
3. The spiral casing wind power recycling machine of claim 2, wherein: the air outlet of the shell is connected with an air guide part, the end part of the air guide pipe is provided with a bearing part with the gradually enlarged caliber, and the air guide part is connected with the port of the bearing part in a matching way.
4. The spiral casing wind power recycling machine of claim 3, wherein: the air curtain device is arranged in the air collecting cover, one end of the air guide pipe is connected to an air guide part of the air blower, and the other end of the air guide pipe penetrates through the air collecting cover to be connected to the air curtain device.
5. The spiral casing wind power recycling machine of claim 1, wherein: the outer diameter of the first impeller is not smaller than that of the second impeller.
6. The spiral casing wind power recycling machine of claim 1, wherein: the spiral case is internally provided with a wind wheel, a rotating shaft of the wind wheel is perpendicular to a rotating shaft of the first impeller, and the outline of the inner wall of the accommodating cavity is matched with the first impeller.
7. The spiral casing wind power recycling machine of claim 6, wherein: one fifth to one half of the first impeller extends out of the accommodating cavity, and the projection of the first impeller relative to the vertical direction of the wind wheel is located on one side of the rotating shaft of the wind wheel.
8. The volute wind power recycling machine as claimed in any one of claims 1 to 7, wherein: the air curtain device comprises an air outlet cylinder arranged inside the air collecting cover, an air inlet of the air outlet cylinder is connected to the air guide pipe, and the air outlet cylinder is provided with an air outlet adjusting portion used for adjusting the wind direction.
9. The spiral casing wind power recycling machine of claim 8, wherein: the air outlet adjusting part is provided with an air outlet groove, and the air outlet adjusting part rotates relative to the air outlet cylinder to adjust the air outlet angle of the air outlet groove.
10. The spiral casing wind power recycling machine of claim 9, wherein: the air-out regulating part is a cylindrical barrel with a cavity, the outer surface of the cylindrical barrel is in fit with the inner surface of the air outlet barrel, the cylindrical barrel is provided with an air inlet groove, the air inlet groove of the cylindrical barrel is corresponding to the air inlet of the air outlet barrel, and the air outlet barrel is provided with a strip-shaped groove corresponding to the air outlet groove.
CN202020960443.6U 2020-05-29 2020-05-29 Volute wind power cyclic utilization range hood Active CN212930127U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020960443.6U CN212930127U (en) 2020-05-29 2020-05-29 Volute wind power cyclic utilization range hood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020960443.6U CN212930127U (en) 2020-05-29 2020-05-29 Volute wind power cyclic utilization range hood

Publications (1)

Publication Number Publication Date
CN212930127U true CN212930127U (en) 2021-04-09

Family

ID=75319128

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020960443.6U Active CN212930127U (en) 2020-05-29 2020-05-29 Volute wind power cyclic utilization range hood

Country Status (1)

Country Link
CN (1) CN212930127U (en)

Similar Documents

Publication Publication Date Title
CN105157110B (en) Floor air conditioner
CN107940593A (en) A kind of air purifier
CN107309916A (en) Negative pressure turbine air operated machine
CN105276650B (en) A kind of lampblack absorber with auxiliary air inlet function
CN212930127U (en) Volute wind power cyclic utilization range hood
CN202056073U (en) Box type centrifugal ventilator
CN106823180A (en) Air purifier
CN206556257U (en) A kind of forced-ventilated extractor fan of gas heater
CN207507196U (en) A kind of air purifier
CN212930128U (en) Smoke machine with adjustable air curtain
CN202118011U (en) Fan without blades
CN110925827A (en) Side-draft range hood with underlying reverse fan system
CN212930126U (en) Hot air washing range hood
CN210769561U (en) Fan structure and range hood applying same
CN210660668U (en) Bladeless fan
CN206526419U (en) Air purifier
CN108138455A (en) Garden hair-dryer
CN209041189U (en) A kind of bladeless fan
CN207936166U (en) A kind of two-chamber kitchen ventilator with air curtain
WO2019200910A1 (en) Bladeless fan having improved air duct structure
CN207006301U (en) Lampblack absorber high efficiency self suction device
CN208845402U (en) A kind of kitchen and bath is without leaf blower fan
CN218717599U (en) Bladeless fan
CN205744528U (en) A kind of fan assembly structure of air cooler
CN213116809U (en) Double-air-inlet high-pressure air cabinet with low noise effect

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230522

Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000

Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd.

Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong

Patentee before: JOYOUNG Co.,Ltd.

TR01 Transfer of patent right