CN106805785B - Flue opening and closing structure and electric oven - Google Patents

Flue opening and closing structure and electric oven Download PDF

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Publication number
CN106805785B
CN106805785B CN201710127445.XA CN201710127445A CN106805785B CN 106805785 B CN106805785 B CN 106805785B CN 201710127445 A CN201710127445 A CN 201710127445A CN 106805785 B CN106805785 B CN 106805785B
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CN
China
Prior art keywords
flue
smoke
closing cover
opening
flue opening
Prior art date
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Active
Application number
CN201710127445.XA
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Chinese (zh)
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CN106805785A (en
Inventor
尤艳
陈兴强
丁泺火
梁少棠
冷芬勇
肖冰海
冯圆通
张成玉
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.)
Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201710127445.XA priority Critical patent/CN106805785B/en
Publication of CN106805785A publication Critical patent/CN106805785A/en
Application granted granted Critical
Publication of CN106805785B publication Critical patent/CN106805785B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2007Removing cooking fumes from oven cavities
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00Baking; Roasting; Grilling; Frying
    • A47J37/06Roasters; Grills; Sandwich grills
    • A47J37/0623Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00Baking; Roasting; Grilling; Frying
    • A47J37/06Roasters; Grills; Sandwich grills
    • A47J37/0623Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
    • A47J37/0664Accessories

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

The invention provides a flue opening and closing structure and an electric oven, wherein the flue opening and closing structure is used for opening or closing a flue of a kitchen appliance with a flue, the kitchen appliance is provided with a smoke exhaust hole for exhausting smoke in the flue, the flue opening and closing structure comprises a flue opening and closing cover and a driving device, the flue opening and closing cover can be movably connected to the kitchen appliance and can cover the smoke exhaust hole, the driving device is connected with the flue opening and closing cover, and the driving device drives the flue opening and closing cover to move to open the smoke exhaust hole when smoke is required and drives the flue opening and closing cover to move to exhaust Kong Guanbi after the smoke is exhausted. The invention has the advantages of realizing the quick conversion of the opening and closing states of the flue, discharging the flue gas and reducing the heat loss caused by long-term discharge of the flue gas.

Description

Flue opening and closing structure and electric oven
Technical Field
The invention relates to the technical field of household appliances, in particular to a flue opening and closing structure and an electric oven.
Background
With the continuous progress of science and technology and the increasing of living standard of people, the electric oven is widely used by people because of the advantages of convenient use and unique flavor of baked food.
Because the electric oven can produce a large amount of flue gas when baking food, all be equipped with in the current electric oven and be used for fume exhaust's flue.
The current flue of electric oven opens and closes the conversion very inconvenient, if flue open time overlength can take away a large amount of heat when discharging outward owing to the flue gas, reduces electric oven's baking efficiency, if the flue is closed for a long time can cause the flue gas to discharge effectually outward, makes a large amount of flue gas remain in electric oven, influences the baking quality of food.
Disclosure of Invention
The invention mainly aims to provide a flue opening and closing structure capable of realizing quick conversion of a flue opening state or a flue closing state, and an electric oven, which can discharge flue gas in the electric oven and reduce heat loss caused by long-term discharge of the flue gas.
In one aspect, the present invention provides a flue opening and closing structure for opening or closing a flue of a kitchen appliance having a flue, the kitchen appliance having a smoke discharge hole for discharging smoke in the flue, the flue opening and closing structure comprising: the flue opening and closing cover and the driving device;
the flue opening and closing cover can be movably connected to the kitchen appliance and can cover the smoke exhaust hole;
the driving device is connected with the flue opening and closing cover, and drives the flue opening and closing cover to move to open the smoke exhaust hole when smoke is required to be exhausted, and drives the flue opening and closing cover to move to exhaust the smoke Kong Guanbi after the smoke exhaust is finished.
Preferably, the driving means comprises an elastic member;
the two ends of the elastic component are respectively connected with the kitchen appliance and the flue opening and closing cover, and the flue opening and closing cover closes the smoke exhaust hole under the action of self elastic force.
Preferably, the kitchen appliance further comprises a rotating shaft and a rotating bracket, wherein the rotating shaft is arranged on the kitchen appliance through the rotating bracket;
the flue opening and closing cover is provided with a connecting hole, and is sleeved on the rotating shaft through the connecting hole and can rotate on the rotating shaft.
Preferably, the elastic component is a torsion spring;
the torsion spring is sleeved on the rotating shaft, and two ends of the torsion spring are respectively abutted to the flue opening and closing cover and the kitchen appliance.
Preferably, the driving device comprises a power input device and an eccentric wheel or a cam;
the power input device is fixedly arranged on the kitchen appliance or the cam, and is in transmission connection with the eccentric wheel so as to drive the eccentric wheel to rotate;
the eccentric wheel or the cam is abutted against the flue opening and closing cover and drives the flue opening and closing cover to rotate through the rotation effect so as to open the smoke exhaust hole.
Preferably, the device further comprises a micro switch;
the micro switch is electrically connected with the power input device, and the eccentric wheel or the cam rotates under the drive of the power input device and touches the micro switch to control the power input device to work.
Preferably, the flue opening and closing cover is provided with a swing hook, and the eccentric wheel or the cam is abutted against the swing hook.
Preferably, a limit groove is provided on the circumference of the eccentric wheel or the cam, and the swing hook extends into the limit groove.
The invention also provides an electric oven, which comprises the flue opening and closing structure with any technical characteristics.
Preferably, the device also comprises a flue gas collecting device;
the flue gas collection device comprises an upper cover and a bottom plate fixedly connected to the kitchen appliance;
the upper cover is fixedly connected to the bottom plate and forms a smoke collection space together with the bottom plate, a smoke inlet hole for communicating the smoke collection space with a flue of the kitchen appliance is formed in the upper cover, and the smoke outlet hole is formed in the upper cover and is used for discharging smoke in the smoke collection space.
According to the flue opening and closing structure provided by the invention, the flue opening and closing cover can be movably connected to the kitchen appliance and covers the smoke exhaust hole, the driving device is connected with the flue opening and closing cover and drives the flue opening and closing cover to open the smoke exhaust hole when smoke is exhausted and close the smoke exhaust hole after smoke exhaust is finished, so that the quick conversion of the opening and closing states of the flue can be realized, the smoke can be exhausted, and the heat loss caused by long-term external exhaust of the smoke can be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic view of an embodiment of a flue opening and closing structure according to the present invention;
FIG. 2 is a schematic view of the flue opening and closing cover installation of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the flue opening and closing cover of FIG. 2 in a closed state;
FIG. 4 is a schematic cross-sectional view of the flue opening and closing cover of FIG. 2 in an open state;
FIG. 5 is a schematic view of the driving apparatus in FIG. 1;
FIG. 6 is a main view of FIG. 5;
in the figure: 1 kitchen appliances; 11 smoke exhaust holes; 12, upper cover; 121 smoke inlet holes; 13 a bottom plate; 14 a flue gas collection space; 2, opening and closing a cover of the flue; 21 a swing hook; 3 an elastic member; 4 a driving device; 41 a power input device; 42 eccentric wheels; 421 limit grooves; 43 micro-switch; 44 mounting plates; 5, rotating a shaft; 6 rotating the bracket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, a flue opening and closing structure for opening or closing a kitchen appliance 1 (preferably an electric oven) having a flue, the kitchen appliance 1 having a smoke discharge hole 11 for discharging smoke in the flue, the flue opening and closing structure comprising: the flue opening and closing cover 2 and the driving device 4. The flue opening and closing cover 2 can be movably connected to the kitchen appliance 1 and can cover the smoke exhaust hole 11. The driving device 4 is connected with the flue opening and closing cover 2, and the driving device 4 drives the flue opening and closing cover 2 to move to open the smoke exhaust hole 11 when smoke is required to be exhausted and drives the flue opening and closing cover 2 to move to close the smoke exhaust hole 11 after the smoke exhaust is finished. Therefore, the quick conversion of the opening and closing states of the flue can be realized, the flue gas in the kitchen appliance 1 can be discharged, and the heat loss caused by the discharge of the flue gas can be reduced.
Specifically, the driving device 4 comprises an elastic part 3, two ends of the elastic part 3 are respectively connected with the kitchen appliance 1 and the flue opening and closing cover 2, and the flue opening and closing cover 2 closes the smoke discharging hole 11 under the action of self elastic force.
1. The specific installation mode of the flue opening and closing cover 2 is specifically introduced:
the specific installation mode of the flue opening and closing cover 2 can be shown as figures 3, 4 and 5, and the flue opening and closing cover further comprises a rotating shaft 5 and a rotating bracket 6, wherein the rotating shaft 5 is installed on the kitchen appliance 1 through the rotating bracket 6. The flue opening and closing cover 2 is provided with a connecting hole (not shown in the figure), and the flue opening and closing cover 2 is sleeved on the rotating shaft 5 through the connecting hole and can rotate on the rotating shaft 5. Thus, the smoke vent 11 can be opened and closed by rotating the flue opening and closing cover 2 on the rotating shaft 5. The elastic component 3 can be a torsion spring, the torsion spring is sleeved on the rotating shaft 5, and two ends of the torsion spring are respectively abutted on the flue opening and closing cover 2 and the kitchen appliance 1. When the driving device 4 does not drive the flue opening and closing cover 2 to open (namely, when no smoke is discharged), the flue opening and closing cover 2 is covered on the smoke discharging hole 11 by the elasticity of the torsion spring, so that heat loss in the kitchen appliance 1 caused by smoke discharge is avoided.
2. The driving device 4 will be specifically described:
in particular, as shown in fig. 5, 6, the driving device 4 comprises a power input device 41 and an eccentric 42 or cam. The power input device 41 is fixedly arranged on the kitchen appliance 1 and is in transmission connection with the eccentric wheel 42 or the cam for driving the eccentric wheel 42 or the cam to rotate. The eccentric wheel 42 or the cam is abutted against the flue opening and closing cover 2 and drives the flue opening and closing cover 2 to rotate through the rotation effect so as to open the smoke exhaust hole 11. The power input device 41 is a synchronous motor, but not limited thereto, and a handle or any other means capable of rotating the eccentric 42 or the cam may be used. Specifically, the mounting plate 44 is fixedly connected to the kitchen appliance 1, the synchronous motor is fixedly mounted on the mounting plate 44, and the eccentric wheel 42 or the cam can be directly sleeved on the output shaft of the synchronous motor and positioned by a key.
The eccentric 42 is described below as an example:
in the initial state, as shown in fig. 3, the flue opening and closing cover 2 closes the smoke exhaust hole 11, at this time, the edge corresponding to the shortest radius of the eccentric wheel 42 abuts against the flue opening and closing cover 2, and when the synchronous motor drives the eccentric wheel 42 to rotate during operation, the eccentric wheel 42 and the flue opening and closing cover 2 relatively move, and along with the increase of the radius of the edge of the eccentric wheel abutting against the flue opening and closing cover 2, the flue opening and closing cover 2 can be pushed to rotate around the rotating shaft 5 against the elastic force of the torsion spring, so as to open the smoke exhaust hole 11, so that the smoke in the kitchen appliance 1 is exhausted, and as shown in fig. 4, when the edge corresponding to the longest radius of the eccentric wheel 42 abuts against the flue opening and closing cover 2, the flue opening and closing cover 2 is in the largest open state. Similarly, after the flue opening and closing cover 2 is in the maximum opening state, the eccentric wheel 42 continues to rotate until the edge corresponding to the shortest radius of the eccentric wheel 42 abuts against the flue opening and closing cover 2, so that the flue opening and closing cover 2 is closed. By adopting the mode, the flue opening and closing cover 2 can be more flexible and convenient for switching the opening and closing of the smoke exhaust hole 11.
Preferably, as shown in fig. 2, 3 and 4, the flue opening and closing cover 2 is provided with a swinging hook 21, and the eccentric wheel 42 is abutted against the swinging hook 42. The swing hook 21 may be provided at the end side of the stack opening/closing cover 2, or may be provided at any position suitable for abutting against the eccentric wheel 42, and may be integrally formed with the stack opening/closing cover 2. More preferably, a limit groove 421 is provided at the circumferential side of the eccentric 42, and the swing hook 21 protrudes into the limit groove 421. Therefore, the position of the swing hook 21 can be limited, the reliability of the abutting connection between the swing hook 21 and the eccentric wheel 42 is ensured, and the driving effect of the eccentric wheel 42 on the flue opening and closing cover 2 is further ensured.
As an embodiment, as shown in fig. 5 and 6, a micro switch 43 is further included; the micro switch 43 is electrically connected with the power input device 41 (preferably, a synchronous motor), and the eccentric wheel 42 rotates under the driving of the power input device 41 and touches the micro switch 43 to control the power input device 41 to work. During operation, the power input device 41 drives the eccentric wheel 42 to drive the flue opening and closing cover 2 to open to the maximum extent, and then continues to drive the eccentric wheel 42 to rotate, so that the edge corresponding to the shortest radius of the eccentric wheel 42 moves to the position abutting against the flue opening and closing cover 2, the flue opening and closing cover 2 is closed, one-time flue gas emission is completed, at the moment, the edge corresponding to the longest radius of the eccentric wheel 42 contacts the micro-switch 43, the micro-switch 43 sends a control instruction to the power input device 41, and the synchronous motor stops working, so that the flue opening and closing cover 2 can be prevented from being continuously opened for a plurality of times, and further heat loss of the kitchen electrical appliance 1 is reduced. Wherein the microswitch 43 can be mounted on the mounting plate 44, the position of the eccentric 42 touching it can be achieved.
The principle of operation using the cam is the same as that of the eccentric 42 and will not be described in detail here.
In yet another aspect, the present invention provides an electric oven including the flue opening and closing structure described above.
Preferably, the electric oven comprises a fume collection device; as shown in fig. 2, 3 and 4, the fume collecting device comprises an upper cover 12 and a bottom plate 13 fixedly connected to the electric oven; the upper cover 12 is fixedly connected to the bottom plate 13 and forms a flue gas collecting space 14 together with the bottom plate 13, a flue gas inlet 121 for communicating the flue gas collecting space 14 with a flue of the electric oven is formed in the upper cover 12, and the flue gas outlet 11 is formed in the upper cover 12 and is used for discharging flue gas in the flue gas collecting space 14. The upper cover 12 and the bottom plate 13 may be connected by rivets, or may be connected by welding or other realizable means. At this time, the rotating bracket 6 may be directly fixed to the upper cover 12, and the torsion spring may also directly abut against the upper cover 12. When the electric oven works, generated smoke enters the smoke collecting space 14 through the smoke inlet holes 121 and is collected, when the flue opening and closing cover 2 covering the smoke outlet holes 11 is opened, the smoke in the smoke collecting space 14 can be rapidly discharged, so that the smoke discharge effect is improved, and meanwhile, the influence of continuous discharge of the smoke on the surrounding environment is avoided.
The embodiment of the invention can realize the rapid conversion of the opening and closing states of the flue, not only can discharge the flue gas, but also can reduce the heat loss caused by long-term discharge of the flue gas.
The above description is only an example of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (8)

1. An electric oven, characterized in that:
including the flue structure that opens and shuts, the flue structure that opens and shuts for with the kitchen appliance that has the flue open or close, the kitchen appliance has the exhaust port that is used for with the flue gas exhaust in the flue, include: the flue opening and closing cover and the driving device;
the flue opening and closing cover can be movably connected to the kitchen appliance and can cover the smoke exhaust hole;
the driving device is connected with the flue opening and closing cover, and drives the flue opening and closing cover to move to open the smoke exhaust hole when smoke is required to be exhausted, and drives the flue opening and closing cover to move to exhaust the smoke Kong Guanbi after the smoke exhaust is finished;
the device also comprises a flue gas collection device;
the flue gas collection device comprises an upper cover and a bottom plate fixedly connected to the kitchen appliance;
the upper cover is fixedly connected to the bottom plate and forms a smoke collection space together with the bottom plate, a smoke inlet hole for communicating the smoke collection space with a flue of the kitchen appliance is formed in the upper cover, and the smoke outlet hole is formed in the upper cover and is used for discharging smoke in the smoke collection space;
and projecting the upper cover on the bottom plate, wherein the projection area of the upper cover is smaller and smaller along the direction that the upper cover is far away from the bottom plate, the projection area of the smoke inlet on the bottom plate is smaller than the maximum projection area of the upper cover on the bottom plate, and the smoke entering the smoke collection space through the smoke inlet in the flue can be discharged through the smoke outlet.
2. The electric oven of claim 1, wherein:
the driving device comprises an elastic component;
the two ends of the elastic component are respectively connected with the kitchen appliance and the flue opening and closing cover, and the flue opening and closing cover closes the smoke exhaust hole under the action of self elastic force.
3. The electric oven of claim 2, wherein:
the kitchen appliance also comprises a rotating shaft and a rotating bracket, wherein the rotating shaft is arranged on the kitchen appliance through the rotating bracket;
the flue opening and closing cover is provided with a connecting hole, and is sleeved on the rotating shaft through the connecting hole and can rotate on the rotating shaft.
4. An electric oven as claimed in claim 3, characterized in that:
the elastic component is a torsion spring;
the torsion spring is sleeved on the rotating shaft, and two ends of the torsion spring are respectively abutted to the flue opening and closing cover and the kitchen appliance.
5. The electric oven according to any one of claims 1 to 4, wherein:
the driving device comprises a power input device and an eccentric wheel or a cam;
the power input device is fixedly arranged on the kitchen appliance, is in transmission connection with the eccentric wheel or the cam and is used for driving the eccentric wheel or the cam to rotate;
the eccentric wheel or the cam is abutted against the flue opening and closing cover and drives the flue opening and closing cover to rotate through the rotation effect so as to open the smoke exhaust hole.
6. The electric oven of claim 5, wherein:
the device also comprises a micro switch;
the micro switch is electrically connected with the power input device, and the eccentric wheel or the cam rotates under the drive of the power input device and touches the micro switch to control the power input device to work.
7. The electric oven of claim 5, wherein:
the flue opening and closing cover is provided with a swing hook, and the eccentric wheel or the cam is abutted against the swing hook.
8. The electric oven of claim 7, wherein:
and a limit groove is formed in the periphery of the eccentric wheel or the cam, and the swing hook extends into the limit groove.
CN201710127445.XA 2017-03-06 2017-03-06 Flue opening and closing structure and electric oven Active CN106805785B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710127445.XA CN106805785B (en) 2017-03-06 2017-03-06 Flue opening and closing structure and electric oven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710127445.XA CN106805785B (en) 2017-03-06 2017-03-06 Flue opening and closing structure and electric oven

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CN106805785A CN106805785A (en) 2017-06-09
CN106805785B true CN106805785B (en) 2023-08-04

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101701723A (en) * 2009-11-21 2010-05-05 广东格兰仕集团有限公司 Uncovering mechanism of microwave oven shutter
CN102793481A (en) * 2011-05-26 2012-11-28 乐金电子(天津)电器有限公司 Oil fume discharge device of oven
CN204187666U (en) * 2014-10-29 2015-03-04 浙江厨壹堂厨房电器有限公司 The integrated kitchen range that a kind of smoking port can shield
CN204378994U (en) * 2014-12-30 2015-06-10 王金 A kind of smokeless environment-friendly pressure electric roastnig oven
TWM502803U (en) * 2015-02-16 2015-06-11 Guard Sound Ind Co Ltd Range hood structure with mask
CN106196194A (en) * 2016-07-29 2016-12-07 广东美的厨房电器制造有限公司 Microwave cooking device
CN207012113U (en) * 2017-03-06 2018-02-16 珠海格力电器股份有限公司 Flue opening and closing structure and electric oven

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101701723A (en) * 2009-11-21 2010-05-05 广东格兰仕集团有限公司 Uncovering mechanism of microwave oven shutter
CN102793481A (en) * 2011-05-26 2012-11-28 乐金电子(天津)电器有限公司 Oil fume discharge device of oven
CN204187666U (en) * 2014-10-29 2015-03-04 浙江厨壹堂厨房电器有限公司 The integrated kitchen range that a kind of smoking port can shield
CN204378994U (en) * 2014-12-30 2015-06-10 王金 A kind of smokeless environment-friendly pressure electric roastnig oven
TWM502803U (en) * 2015-02-16 2015-06-11 Guard Sound Ind Co Ltd Range hood structure with mask
CN106196194A (en) * 2016-07-29 2016-12-07 广东美的厨房电器制造有限公司 Microwave cooking device
CN207012113U (en) * 2017-03-06 2018-02-16 珠海格力电器股份有限公司 Flue opening and closing structure and electric oven

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