CN104848282A - Range hood - Google Patents
Range hood Download PDFInfo
- Publication number
- CN104848282A CN104848282A CN201510323227.4A CN201510323227A CN104848282A CN 104848282 A CN104848282 A CN 104848282A CN 201510323227 A CN201510323227 A CN 201510323227A CN 104848282 A CN104848282 A CN 104848282A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- suspended hood
- air
- smoke exhaust
- air draught
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention provides a range hood, which comprises a blowing device and a suction device, wherein the blowing device comprises an air supply machine, an air supply pipeline and an air inlet pipeline, multiple blowing openings are formed in the top of the air supply pipeline at intervals; the air supply pipeline comprises longitudinal pipelines arranged on the horizontal planes of the left and right sides of a cooking bench and a transverse pipeline arranged on the horizontal plane of the front side of the cooking bench; the suction device comprises an air suction hood arranged above the stove top and air suction columns arranged at two sides of the rear of the cooking bench; the front side of each air suction column is connected with the air supply pipeline in an embedded manner; the suction hood rotates to be positioned through ratchet pawl devices; each ratchet pawl device is arranged at the connecting part between the suction hood and each air suction column. The range hood is simple in structure, the cooking fume can be effectively dispersed and the work efficiency of the range hood is improved.
Description
Technical field
The present invention relates to a kind of smoke exhaust ventilator.
Background technology
Along with the high speed development of science and technology, the theory of environmental-friendly and comfortable is applied in every field.In recent years, indoor environmental pollution is very serious problem, ensures that resident's Residential health is comfortable particularly important.The raising of people's living standard is to the requirements at the higher level of life comfort level, the healthiness of domestic environment is also one of important directions of building environmental protection research, the oil smoke that culinary art produces is very large on the impact of IAQ, and people have higher requirement to the cleaning efficiency of lampblack absorber and aesthetic property.
Existing lampblack absorber can not better build good kitchen environment, and the lampblack absorber that household uses is mainly through realizing the eliminating to cooking fume in kitchen range top top draw air formation negative pressure.But the oil smoke that culinary art produces, also can towards the multi-direction dispersion of surrounding except rising under thermal current effect, and common lampblack absorber cannot keep very high oil smoke to get rid of efficiency in kitchen range top space, can not ensure IAQ.We think that the appropriate design of range hood structure is one of necessary links addressed these problems, so we need a outstanding novel cooking fume exhauster of design badly improve IAQ further.
Summary of the invention
Technical problem to be solved by this invention is, for above-mentioned Problems existing, to provide a kind of smoke exhaust ventilator, by blowing device to the space forming airflow closed around the kitchen range top, weakens the oil smoke of culinary art generation to the diffusion of kitchen range top periphery.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of smoke exhaust ventilator, is characterized in that: comprise blowing device and absorption plant, and described blowing device is installed around the kitchen range top, and described absorption plant is installed above the kitchen range top and vertical both sides, rear.
By such scheme, described blowing device comprises pressure fan, air supply duct and intake stack, the head clearance of described air supply duct has several winding-up mouth, air supply duct comprises the pipe tunnel be located on the horizontal plane of the kitchen range top left and right sides and the horizontal pipeline be located on kitchen range top front side horizontal face, the two ends of described horizontal pipeline are connected with one end of the pipe tunnel of described both sides respectively, and the other end of pipe tunnel is connected with described pressure fan by described intake stack.
By such scheme, described absorption plant comprises the suspended hood be located at above the kitchen range top and the air draught post being located at both sides, kitchen range top rear, the front side edge of described air draught post is chimeric with described intake stack to be connected, air draught column bottom is unsettled, air draught column bottom is provided with the first lubricating cup, suspended hood both sides rotate with the air draught column top of both sides and are connected, suspended hood and air draught post connecting place are provided with click apparatus, air draught column top is connected with the import of induced-draught fan by air-suction duct, the outlet of induced-draught fan connects smoke discharging pipe, described smoke discharging pipe is connected with outside through body of wall, on air draught post medial surface, uniform intervals is provided with several inlet scoop.
By such scheme, described suspended hood is the rectangular configuration of bottom opening, bottom suspended hood, surrounding is inside spherical groove, uniform several inlet scoop on described spherical groove, suspended hood bottom centre is provided with outside turbination oil network, described oil network center is provided with the second lubricating cup, and suspended hood both sides are provided with centrosymmetric connection airduct from the inside to the outside and are connected housing.
By such scheme, described air draught post is hollow trapezoid cylinder structure, and air draught column top is provided with joint sleeve, and described connection airduct inserts in described joint sleeve, and described suspended hood can rotate around joint sleeve.
By such scheme, described click apparatus comprises housing, ratchet, ratchet, movable disk and several ball, described housing is fixedly linked with the described housing that is connected, described ratchet and movable disk are all coated at described joint sleeve, movable disk radial direction exceeds ratchet, ratchet outer peripheral face local is provided with teeth groove, the side end face that ratchet and movable disk fit is provided with bumping post, movable disk is provided with arc opening, described bumping post inserts in described arc opening, described ratchet one end is connected with housing, the sawtooth end of ratchet and described teeth groove phase configuration, described several ball is circumferentially located in the gap between housing and ratchet, ratchet outer peripheral face is circumferentially interval with two piece of first ball baffle plate, ball rolls in the smooth track of described two piece of first ball baffle plate restriction, ratchet outer peripheral face is provided with the first baffle plate, housing inner peripheral surface is provided with the second baffle plate, joint sleeve outer peripheral face is arranged with two piece of second ball baffle plate.
By such scheme, the other end port of described pipe tunnel is provided with vertical tube connector, described tube connector outer peripheral face is provided with annular flange flange, external thread sleeve is coated at tube connector and described annular flange flange, described external thread sleeve is T-shape structure, the bottom of described intake stack is provided with embedded internal thread sleeve pipe, and described internal thread sleeve pipe is threaded with external thread sleeve.
By such scheme, described second lubricating cup is the wide rectangular box structure in the left narrow right side, and the top of the second lubricating cup is provided with oil inlet and outlet, and described oil inlet and outlet is located at left side top.
By such scheme, the bore of the winding-up mouth on described pipe tunnel increases progressively from inside to outside, and the bore of the winding-up mouth on described horizontal pipeline is identical.
By such scheme, described pressure fan and induced-draught fan are all located to be fixed on and body of wall are shelved on plate, and the import department of pressure fan and induced-draught fan installs screen pack.
The invention has the beneficial effects as follows: 1, a kind of smoke exhaust ventilator is provided, by Hairdryer to the space forming airflow closed around the kitchen range top, the oil smoke weakening culinary art generation, to the diffusion of kitchen range top periphery, can be strengthened the circulation of room air simultaneously, improve indoor air environment; 2, set up the absorption efficiency of air draught post reinforcement to oil smoke, reduce the pollution of oil smoke to room air and the harm to human body; 3, suspended hood can be located in 90 ° of rotations, can put down and be close to wall, improve the succinctly attractive in appearance of kitchen when not using.
Accompanying drawing explanation
Fig. 1 is the front view of one embodiment of the invention.
Fig. 2 is the side view of one embodiment of the invention.
Fig. 3 is the pipe tunnel of one embodiment of the invention and the connection sectional view of intake stack.
Fig. 4 is the structural representation of the suspended hood of one embodiment of the invention.
Fig. 5 is the structural representation of the click apparatus of one embodiment of the invention.
Fig. 6 is the partial enlarged drawing A of Fig. 1.
Wherein: 1. pressure fan, 2. intake stack, 3. pipe tunnel, 4. horizontal pipeline, 5. winding-up mouth, 6. suspended hood, 7. air draught post, 8. the first lubricating cup, 9. air-suction duct, 10. induced-draught fan, 11. smoke discharging pipes, 12. bodies of wall, 13. inlet scoops, 14. spherical grooves, 15. oil networks, 16. second lubricating cups, 17. connect airduct, 18. connect housing, 19. joint sleeves, 20. housings, 21. ratchets, 22. ratchets, 23. movable disk, 24. balls, 25. teeth groove, 26. bumping posts, 27. arc openings, 28. first ball baffle plates, 29. second ball baffle plates, 30. first baffle plates, 31. second baffle plates, 32. tube connectors, 33. annular flange flange, 34. external thread sleeves, 35. internal thread sleeve pipes, 36. shelve plate.
Detailed description of the invention
For understanding the present invention better, below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1-2, a kind of smoke exhaust ventilator, comprise blowing device and absorption plant, blowing device is installed around the kitchen range top, and absorption plant is installed above the kitchen range top and vertical both sides, rear.
Blowing device comprises pressure fan 1, air supply duct and intake stack 2, the head clearance of air supply duct has several winding-up mouth 5, air supply duct comprises the pipe tunnel 3 be located on the horizontal plane of the kitchen range top left and right sides and the horizontal pipeline 4 be located on kitchen range top front side horizontal face, the two ends of horizontal pipeline are connected with one end of the pipe tunnel of both sides respectively, the other end of pipe tunnel is connected with pressure fan by intake stack, winding-up mouth is blown to the space forming airflow closed around the kitchen range top by pressure fan, weaken the oil smoke of culinary art generation to the diffusion of kitchen range top periphery, the bore of the winding-up mouth on pipe tunnel increases progressively from inside to outside, the size of balance winding-up wind-force, the bore of the winding-up mouth on horizontal pipeline is identical.
Absorption plant comprises the suspended hood 6 be located at above the kitchen range top and the air draught post 7 being located at both sides, kitchen range top rear, the front side edge of air draught post is chimeric with intake stack to be connected, air draught column bottom is unsettled, air draught column bottom is provided with the first lubricating cup 8, suspended hood both sides rotate with the air draught column top of both sides and are connected, suspended hood and air draught post connecting place are provided with click apparatus, air draught column top is connected with the import of induced-draught fan 10 by air-suction duct 9, the outlet of induced-draught fan connects smoke discharging pipe 11, smoke discharging pipe is connected with outside through body of wall 12, on air draught post medial surface, uniform intervals is provided with several inlet scoop 13, oil smoke is absorbed by inlet scoop, and discharged by smoke discharging pipe, the drip of air draught post internal condensate is in the first lubricating cup.
As shown in Figure 3, the other end port of pipe tunnel is provided with vertical tube connector 32, tube connector outer peripheral face is provided with annular flange flange 33, external thread sleeve 34 is coated at tube connector and annular flange flange, external thread sleeve is T-shape structure, and the bottom of intake stack is provided with embedded internal thread sleeve pipe 35, rotates external thread sleeve and is connected with internal thread, drive tube connector to be connected with intake stack, ceramic seal gasket is set in junction and seals.
As Figure 4-Figure 6, suspended hood is the rectangular configuration of bottom opening, bottom suspended hood, surrounding is inside spherical groove 14, uniform several inlet scoop on spherical groove, suspended hood bottom centre is provided with outside turbination oil network 15, oil network center is provided with the second lubricating cup 16, and suspended hood both sides are provided with centrosymmetric connection airduct 17 from the inside to the outside and are connected housing 18, and the drip of oil network condensation is in the second lubricating cup, air draught post is hollow trapezoid cylinder structure, and air draught column top is provided with joint sleeve 19, and connect airduct and insert in described joint sleeve, suspended hood can rotate around joint sleeve, click apparatus comprises housing 20, ratchet 21, ratchet 22, movable disk 23 and several ball 24, housing be connected housing and be fixedly linked by screw, ratchet and movable disk are all coated at joint sleeve, ratchet outer peripheral face local is provided with teeth groove 25, the side end face that ratchet and movable disk fit is provided with bumping post 26, movable disk is provided with arc opening 27, bumping post inserts in arc opening, ratchet one end is connected with housing, the end of sawtooth ratchet and teeth groove phase configuration, several ball is circumferentially located in the gap between housing and ratchet, ratchet outer peripheral face is circumferentially interval with two piece of first ball baffle plate 28, roll in the smooth track that ball limits at two piece of first ball baffle plate, joint sleeve outer peripheral face is arranged with two piece of second ball baffle plate 29, ensure the stable rolling of ball in track, ratchet outer peripheral face is provided with the first baffle plate 30, housing inner peripheral surface is provided with the second baffle plate 31, rotary shell is until the second baffle plate contacts to offset with the first baffle plate stops operating.
When lampblack absorber suspended hood is in 90 °, ratchet engages orientation angle with ratchet, when lampblack absorber suspended hood needs to put down, first upper body suspended hood, housing rotates along teeth groove involute direction (clockwise), click departs from engagement, movable disk is pushed down in the position that ratchet moves to movable disk, now movable disk is stopped by bumping post and does not rotate with ratchet, offset until the second baffle plate contacts with the first baffle plate, at this moment suspended hood is pressed down, housing rotates against teeth groove involute direction (counterclockwise), ratchet is pushed down movable disk and is rotated counterclockwise together, can not block because movable disk can not contact ratchet than ratchet height ratchet, now whole absorbing cover can put down smoothly, now movable disk can move to Far Left until limited by bumping post, when suspended hood needs to mention to 90 ° of work, upwards mention suspended hood now housing drive ratchet to press against movable disk and rotate along teeth groove involute direction (clockwise) together, until movable disk can move to rightmost until limited by bumping post, now housing also stops operating because the second baffle plate contacts to offset with the first baffle plate, now press down suspended hood, ratchet meeting and ratchet engagement make suspended hood locate.
When carrying out cooking in kitchen, when fried grade easily produces the work of oil smoke, now need to mention suspended hood 6 vertical with body of wall 12 carry out oil smoke detach work, when carrying out boiling in kitchen and not easily producing the work of oil smoke, now only need to open induced-draught fan and carry out simple exhaust work, when not needing in kitchen to carry out any culinary art, mention and put down suspended hood and metope is fitted, second lubricating cup is the wide rectangular box structure in the left narrow right side, its top is provided with oil inlet and outlet, oil inlet and outlet is located at left side top, when suspended hood puts down, second lubricating cup is wide upper shallow deeply lower when becoming level from the narrow right side, left side time vertical, avoid fluid to flow out and pollute the kitchen range top.
Induced-draught fan and pressure fan all can be placed in be fixed on, and body of wall shelves on plate 36, in the air inlet of pressure fan and induced-draught fan, settle screen pack.
Claims (10)
1. a smoke exhaust ventilator, is characterized in that: comprise blowing device and absorption plant, and described blowing device is installed around the kitchen range top, and described absorption plant is installed above the kitchen range top and vertical both sides, rear.
2. a kind of smoke exhaust ventilator according to claim 1, it is characterized in that, described blowing device comprises pressure fan, air supply duct and intake stack, the head clearance of described air supply duct has several winding-up mouth, air supply duct comprises the pipe tunnel be located on the horizontal plane of the kitchen range top left and right sides and the horizontal pipeline be located on kitchen range top front side horizontal face, the two ends of described horizontal pipeline are connected with one end of the pipe tunnel of described both sides respectively, and the other end of pipe tunnel is connected with described pressure fan by described intake stack.
3. a kind of smoke exhaust ventilator according to claim 2, it is characterized in that, described absorption plant comprises the suspended hood be located at above the kitchen range top and the air draught post being located at both sides, kitchen range top rear, the front side edge of described air draught post is chimeric with described intake stack to be connected, air draught column bottom is unsettled, air draught column bottom is provided with the first lubricating cup, suspended hood both sides rotate with the air draught column top of both sides and are connected, suspended hood and air draught post connecting place are provided with click apparatus, air draught column top is connected with the import of induced-draught fan by air-suction duct, the outlet of induced-draught fan connects smoke discharging pipe, described smoke discharging pipe is connected with outside through body of wall, on air draught post medial surface, uniform intervals is provided with several inlet scoop.
4. a kind of smoke exhaust ventilator according to claim 3, it is characterized in that, described suspended hood is the rectangular configuration of bottom opening, bottom suspended hood, surrounding is inside spherical groove, uniform several inlet scoop on described spherical groove, suspended hood bottom centre is provided with outside turbination oil network, and described oil network center is provided with the second lubricating cup, and suspended hood both sides are provided with centrosymmetric connection airduct from the inside to the outside and are connected housing.
5. a kind of smoke exhaust ventilator according to claim 4, is characterized in that, described air draught post is hollow trapezoid cylinder structure, and air draught column top is provided with joint sleeve, and described connection airduct inserts in described joint sleeve, and described suspended hood can rotate around joint sleeve.
6. a kind of smoke exhaust ventilator according to claim 5, it is characterized in that, described click apparatus comprises housing, ratchet, ratchet, movable disk and several ball, described housing is fixedly linked with the described housing that is connected, described ratchet and movable disk are all coated at described joint sleeve, movable disk radial direction exceeds ratchet, ratchet outer peripheral face local is provided with teeth groove, the side end face that ratchet and movable disk fit is provided with bumping post, movable disk is provided with arc opening, described bumping post inserts in described arc opening, described ratchet one end is connected with housing, the sawtooth end of ratchet and described teeth groove phase configuration, described several ball is circumferentially located in the gap between housing and ratchet, ratchet outer peripheral face is circumferentially interval with two piece of first ball baffle plate, ball rolls in the smooth track of described two piece of first ball baffle plate restriction, ratchet outer peripheral face is provided with the first baffle plate, housing inner peripheral surface is provided with the second baffle plate, joint sleeve outer peripheral face is arranged with two piece of second ball baffle plate.
7. a kind of smoke exhaust ventilator according to claim 2, it is characterized in that, the other end port of described pipe tunnel is provided with vertical tube connector, described tube connector outer peripheral face is provided with annular flange flange, external thread sleeve is coated at tube connector and described annular flange flange, described external thread sleeve is T-shape structure, and the bottom of described intake stack is provided with embedded internal thread sleeve pipe, and described internal thread sleeve pipe is threaded with external thread sleeve.
8. a kind of smoke exhaust ventilator according to claim 4, is characterized in that, described second lubricating cup is the wide rectangular box structure in the left narrow right side, and the top of the second lubricating cup is provided with oil inlet and outlet, and described oil inlet and outlet is located at left side top.
9. a kind of smoke exhaust ventilator according to claim 2, is characterized in that, the bore of the winding-up mouth on described pipe tunnel increases progressively from inside to outside, and the bore of the winding-up mouth on described horizontal pipeline is identical.
10. a kind of smoke exhaust ventilator according to claim 3, is characterized in that, described pressure fan and induced-draught fan are all located to be fixed on and body of wall shelved on plate, and the import department of pressure fan and induced-draught fan installs screen pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510323227.4A CN104848282B (en) | 2015-06-12 | 2015-06-12 | A kind of smoke exhaust ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510323227.4A CN104848282B (en) | 2015-06-12 | 2015-06-12 | A kind of smoke exhaust ventilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104848282A true CN104848282A (en) | 2015-08-19 |
| CN104848282B CN104848282B (en) | 2018-03-20 |
Family
ID=53848128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510323227.4A Expired - Fee Related CN104848282B (en) | 2015-06-12 | 2015-06-12 | A kind of smoke exhaust ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104848282B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300199A (en) * | 2017-07-20 | 2017-10-27 | 杭州老板电器股份有限公司 | A kind of three-dimensional air intake lampblack absorber |
| CN108644837A (en) * | 2018-06-15 | 2018-10-12 | 广东万和电气有限公司 | A kind of full embedding type range hood |
| CN108954445A (en) * | 2018-08-07 | 2018-12-07 | 兰新伟 | A kind of mechanical component construction field range hood |
| CN109386860A (en) * | 2017-08-14 | 2019-02-26 | 肖丽娟 | Smoke exhaust ventilator and its application method |
| CN114353145A (en) * | 2021-12-31 | 2022-04-15 | 北京金茂人居环境科技有限公司 | Kitchen internal and external air pressure balance control method, storage medium and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201803404U (en) * | 2010-09-14 | 2011-04-20 | 山东小鸭新能源科技有限公司 | Side-suction integrated stove with reversing air curtain |
| CN203215787U (en) * | 2013-03-14 | 2013-09-25 | 绍兴县滨海合力厨房用品设计中心 | Integrated cooking stove |
| CN103574723A (en) * | 2013-11-08 | 2014-02-12 | 徐李华 | Cooking bench air curtain |
| CN103791537A (en) * | 2014-01-23 | 2014-05-14 | 广西华信恒基科技发展有限公司 | Kitchen enclosed type air curtain device |
-
2015
- 2015-06-12 CN CN201510323227.4A patent/CN104848282B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201803404U (en) * | 2010-09-14 | 2011-04-20 | 山东小鸭新能源科技有限公司 | Side-suction integrated stove with reversing air curtain |
| CN203215787U (en) * | 2013-03-14 | 2013-09-25 | 绍兴县滨海合力厨房用品设计中心 | Integrated cooking stove |
| CN103574723A (en) * | 2013-11-08 | 2014-02-12 | 徐李华 | Cooking bench air curtain |
| CN103791537A (en) * | 2014-01-23 | 2014-05-14 | 广西华信恒基科技发展有限公司 | Kitchen enclosed type air curtain device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300199A (en) * | 2017-07-20 | 2017-10-27 | 杭州老板电器股份有限公司 | A kind of three-dimensional air intake lampblack absorber |
| CN109386860A (en) * | 2017-08-14 | 2019-02-26 | 肖丽娟 | Smoke exhaust ventilator and its application method |
| CN108644837A (en) * | 2018-06-15 | 2018-10-12 | 广东万和电气有限公司 | A kind of full embedding type range hood |
| CN108644837B (en) * | 2018-06-15 | 2024-04-12 | 广东万和电气有限公司 | Full-embedded range hood |
| CN108954445A (en) * | 2018-08-07 | 2018-12-07 | 兰新伟 | A kind of mechanical component construction field range hood |
| CN114353145A (en) * | 2021-12-31 | 2022-04-15 | 北京金茂人居环境科技有限公司 | Kitchen internal and external air pressure balance control method, storage medium and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104848282B (en) | 2018-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104848282A (en) | Range hood | |
| CN102913967A (en) | Self-circulation lampblack purification smokeless equipment used for hot pot or barbecue | |
| CN107328008A (en) | Single tube convection type heat exchanges fresh air-changing device | |
| CN202692203U (en) | Telescopic smoke exhaust ventilator | |
| CN202792156U (en) | Air inducing component | |
| CN104406209A (en) | Offset type kitchen oily fume air curtain blocking device with single fan and kitchenware system | |
| CN103968438B (en) | The energy-conservation lampblack absorber of a kind of exhaust ventilation heat exchange | |
| CN201897234U (en) | Air preheater for boiler | |
| CN210847585U (en) | Laboratory ventilation unit | |
| CN209543262U (en) | A kind of microcomputer protecting device with dust-proof radiating structure | |
| CN203385190U (en) | High-heat-efficiency energy-saving heating boiler | |
| CN203785033U (en) | Kitchen enclosed type air curtain device | |
| CN203052796U (en) | Washable supplementing blowing device for smoke exhaust ventilator | |
| CN205717434U (en) | The smoke exhaust ventilator that a kind of Domestic environment-protection can be incubated | |
| CN203893685U (en) | Flue gas waste heat utilization device | |
| CN204227503U (en) | Offset list blower fan kitchen fume air curtain blocking device and kitchen tools system | |
| CN202101279U (en) | Environmental-friendly energy-saving fire coal stove | |
| CN215372587U (en) | Integrated kitchen range with reversing structure assembled at air outlet | |
| CN206669820U (en) | A kind of fast connecting joint for integrated kitchen range discharge pipe | |
| CN213064045U (en) | Sealing device for down-draft-proof fan | |
| CN203810495U (en) | Side top stretching type range hood | |
| CN210129803U (en) | Heat abstractor is used to water purifier motor | |
| CN202647941U (en) | Mute range hood | |
| CN204006632U (en) | A kind of vertical bent water tube boiler | |
| CN202732380U (en) | Fan for smoke exhaust ventilator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180320 Termination date: 20210612 |