CN107136950B - Oven with heating fan and liner sealing structure - Google Patents
Oven with heating fan and liner sealing structure Download PDFInfo
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- CN107136950B CN107136950B CN201710422331.8A CN201710422331A CN107136950B CN 107136950 B CN107136950 B CN 107136950B CN 201710422331 A CN201710422331 A CN 201710422331A CN 107136950 B CN107136950 B CN 107136950B
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- heating fan
- fan
- annular
- inner container
- liner
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
- A47J37/0641—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements with forced air circulation, e.g. air fryers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0664—Accessories
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an oven with a sealing structure of a heating fan and an inner container, which comprises a fan cover plate, hot air blades, an inner container and a heating fan, wherein the heating fan is limited at the rear side of the inner container, a heating fan annular sealing ring is embedded in the end part of the heating fan, which faces the rear side of the inner container, the other end of the heating fan annular sealing ring is abutted against the rear side wall of the inner container, and a through shaft hole is formed in the rear side wall of the inner container, which corresponds to the central part of the heating fan annular sealing ring; the fan cover plate is limited on the inner side of the inner container to form a convection cavity of the inner container; the invention has the following effects: 1) The heating fan and the liner are sealed by the sealing ring, so that a small part of heat is prevented from overflowing from the rotating shaft hole of the heating fan, and the energy-saving purpose is achieved; 2) And the overflow of a small part of heat, oil smoke and water vapor from the shaft hole of the inner container is avoided, a drying working environment is provided for the heating fan, and the service life of the heating fan is prolonged.
Description
Technical Field
The invention belongs to the technical field of ovens, and particularly relates to an oven with a heating fan and liner sealing structure.
Background
In oven type products, the heating fan mainly acts on to generate air convection so as to uniformly stir heat generated in the inner container.
The heating fan in the current market generally comprises heating fan blades, a rotor, a bearing, heat dissipation fan blades, a support, silicon steel sheets, a coil and the like, when the heating fan blades work, convection air is generated by rotation of the heating fan blades along with the rotor to uniformly stir and distribute heat of the inner container around the inner container, and meanwhile, the heat dissipation fan blades rotate along with the rotor to diffuse heat generated by the heating fan and the environment to the periphery, so that the surface temperature rise of the heating fan is reduced; the structural heating fan has the following defects: the shaft hole between the heating fan and the inner container can not be sealed, and when the machine works, heat, oil smoke and water vapor are generated, and a small part of the heat overflows from the shaft hole of the inner container, so that the heat efficiency of the oven is influenced, and the oil smoke and the water vapor overflow from the shaft hole of the inner container to corrode the motor, so that the service life of the motor is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an oven with a sealing structure of a heating fan and an inner container.
The invention aims at solving the problems by the following technical scheme that the air conditioner comprises a fan cover plate, hot air blades, an inner container and a heating fan, wherein the heating fan is limited at the rear side of the inner container, a heating fan annular sealing ring is embedded in the end part of the heating fan, which faces the rear side of the inner container, the other end of the heating fan annular sealing ring is abutted against the rear side wall of the inner container, and a through shaft hole is formed in the rear side wall of the inner container, which corresponds to the central part of the heating fan annular sealing ring; the fan cover plate is limited on the inner side of the inner container to form a convection cavity of the inner container; the rotating shaft of the heating fan penetrates through the shaft hole and extends into the convection cavity of the inner container, and the hot air fan blade is positioned in the convection cavity of the inner container and is assembled on the rotating shaft of the heating fan.
Preferably, the front end of the heating fan is provided with an annular boss, and an annular sealing ring of the heating fan is embedded into the wall end of the annular boss and is effectively sealed with the rear side of the liner.
Preferably, a rotor boss cavity is arranged in the annular boss and is communicated with the liner convection cavity through a shaft hole.
Preferably, the front end of the annular sealing ring of the heating fan is provided with at least two annular ribs, the rear end of the annular sealing ring is provided with an annular groove, the annular boss is embedded into the annular groove, and the two annular ribs are abutted to the rear side wall of the liner.
Preferably, the at least two annular ribs and the annular groove enable one side of the radial section of the annular sealing ring of the heating fan to be H-shaped, after the installation is finished, the annular boss is propped in the annular groove, and meanwhile the at least two annular ribs are enabled to deform and butt against the rear side wall of the liner.
Preferably, the rotating shaft is sleeved with a bearing, and the bearing is positioned at the shaft hole.
Preferably, the bearing is a waterproof bearing.
Preferably, the hot air fan blade is fixed on the front end of the rotating shaft of the heating fan through a fan blade fastening screw.
Preferably, the fan cover plate is provided with an air inlet which is communicated with the convection cavity of the liner.
Preferably, the structure of the fan cover plate is in a long-strip groove shape.
The beneficial effects of the invention are as follows:
1) The heating fan and the liner are sealed by the sealing ring, so that a small part of heat is prevented from overflowing from the rotating shaft hole of the heating fan, and the energy-saving purpose is achieved;
2) The heating fan and the inner container are sealed by the sealing ring, so that a small part of heat, oil smoke and water vapor are prevented from overflowing from the shaft hole of the inner container, a dry working environment is provided for the heating fan, and the service life of the heating fan is prolonged;
3) The provided heating fan sealing ring ensures effective sealing between the liner and the heating fan;
4) The waterproof bearing is arranged, so that the service life of the bearing is prolonged;
5) The main function of the air inlet arranged on the hot air fan blade and the fan cover plate is to generate air convection so as to uniformly stir the heat generated in the inner container.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of a sealing structure of a heating fan and a liner.
FIG. 2 is a schematic diagram of the assembly structure of the sealing structure of the heating fan and the liner.
Fig. 3 is an enlarged schematic view of the structure a in fig. 2.
Fig. 4 is an enlarged schematic diagram of a second embodiment of fig. 2.
The reference numerals in the drawings are respectively: 1. self-tapping screw; 2. a fan cover plate; 3. fan blade fastening screws; 4. a hot air fan blade; 5. an inner container; 6. a sealing ring of the heating fan; 7. a heating fan; 8. a screw; 9. a convection cavity of the inner container; 10. a bearing; 21. an air inlet; 51. a shaft hole; 61 annular ribs; 62. an annular groove; 63. a central portion; 71. a rotating shaft; 72. an annular boss; 73. rotor boss cavity.
Detailed Description
The invention will be described in detail below with reference to the attached drawings:
embodiment one: as shown in fig. 2, the oven with the sealing structure of the heating fan and the inner container comprises a fan cover plate 2, a hot air fan blade 4, the inner container 5 and a heating fan 7, wherein the heating fan 7 is fixed on the rear side of the inner container 5 through a screw 8, a heating fan annular sealing ring 6 is embedded into the end part of the heating fan 7, which faces the rear side of the inner container 5, the other end of the heating fan annular sealing ring 6 is abutted to the rear side wall of the inner container 5, and a through shaft hole 51 is formed in the rear side wall of the inner container 5, which corresponds to the central part 63 of the heating fan annular sealing ring 6; the fan cover plate 2 is limited on the inner side of the inner container 5 to form an inner container convection cavity 9; the rotating shaft 71 of the heating fan 7 passes through the shaft hole 51 and extends into the convection cavity 9 of the inner container, and the hot air fan blade 4 is positioned in the convection cavity 9 of the inner container and is assembled on the rotating shaft 71 of the heating fan 7. When the inner container 5 heats food, a small part of oil smoke and water vapor enter the convection cavity 9 of the inner container through the air inlet of the fan cover plate 2, and a small part of oil smoke, water vapor and heat entering the convection cavity penetrate into the boss cavity 73 of the rotor of the heating fan 7 through the shaft hole of the inner container 5, and as the heating motor 7 is sealed with the annular sealing ring 6 of the heating fan on the rear side of the inner container 5, a small part of heat, oil smoke and water vapor penetrating into the boss cavity 73 of the rotor of the heating fan 7 flow back into the inner container 5 through blocking, so that the overflow of a small part of heat from the rotating shaft hole of the heating fan is avoided, and the energy saving purpose is achieved; meanwhile, the heating fan 7 is sealed with the inner container 5 through the heating fan annular sealing ring 6, so that the situation that a small part of oil smoke and water vapor overflow from the shaft hole of the inner container to corrode the heating fan 7 is avoided, a dry working environment is provided for the heating fan, and the service life of the heating fan is prolonged.
Embodiment two: in the above embodiment, as shown in fig. 3, the front end of the heating fan 7 is provided with an annular boss 72, and the wall end of the annular boss 72 is embedded into the heating fan sealing ring 6 and forms an effective seal with the rear side of the liner 5; when the machine works, part of the heat overflows from the shaft hole of the inner container, and oil smoke and water vapor are blocked from flowing back into the inner container.
Embodiment III: the difference from the second embodiment is that: as shown in fig. 3, a rotor boss cavity 73 is arranged in the annular boss 72, and the rotor boss cavity 73 is communicated with the liner convection cavity 9 through the shaft hole 51.
Embodiment four: in the above embodiment, as shown in fig. 4, at least two annular ribs 61 are provided at the front end of the annular sealing ring 6 of the heating fan, an annular groove 62 is provided at the rear end of the annular sealing ring, the annular boss 72 is embedded into the annular groove 62, and the two annular ribs 61 are abutted against the rear sidewall of the liner 5.
Fifth embodiment: the difference from the fourth embodiment is that: the at least two annular ribs 61 and the annular groove 62 form an H shape on one side of the radial section of the annular sealing ring 6 of the heating fan, after the installation is completed, the annular boss 72 is propped in the annular groove 62, and at the same time, the at least two annular ribs 61 are deformed to be propped against the rear side wall of the liner 5; the sealing device has the characteristics of compression deformation, good fit and better sealing effect.
Example six: in the above embodiment, the shaft 71 is sleeved with the bearing 10, and the bearing 10 is located at the shaft hole 51.
Embodiment seven: the difference from the sixth embodiment is that: the bearing 10 is a waterproof bearing, and the service life of the bearing is greatly prolonged by adopting the bearing with a waterproof function because the bearing is in a moist environment.
Example eight: in the above embodiment, the hot air fan 4 is fixed on the front end of the rotating shaft 71 of the heating fan 7 through the fan blade fastening screw 3; but may be fixed by other fixing means.
Example nine: in the above embodiment, as shown in fig. 1, the fan cover plate 2 is provided with an air inlet 21, and the air inlet 21 is communicated with the convection chamber 9 of the liner.
Example ten: in the above embodiment, the fan cover 2 has a long groove shape.
The present invention is not limited to the above embodiments, and any modification of the structural design provided by the present invention, regardless of any changes in shape or material composition, should be considered as being within the scope of the present invention.
Claims (9)
1. The utility model provides an oven with heating fan and inner bag seal structure, includes fan apron (2), hot-blast flabellum (4), inner bag (5), heating fan (7), its characterized in that: the heating fan (7) is limited at the rear side of the inner container (5), a heating fan annular sealing ring (6) is embedded in the end part, facing the rear side of the inner container (5), of the heating fan (7), the other end of the heating fan annular sealing ring (6) is abutted to the rear side wall of the inner container (5), and a through shaft hole (51) is formed in the rear side wall of the inner container (5) corresponding to the central part of the heating fan annular sealing ring (6); the fan cover plate (2) is limited on the inner side of the liner (5) to form a liner convection cavity (9); the rotating shaft (71) of the heating fan (7) passes through the shaft hole (51) and extends into the inner container convection cavity (9), and the hot air fan blade (4) is positioned in the inner container convection cavity (9) and is assembled on the rotating shaft (71) of the heating fan (7);
the front end of the heating fan (7) is provided with an annular boss (72), and the annular wall end of the annular boss (72) is embedded with a heating fan annular sealing ring (6) and is effectively sealed with the rear side of the liner (5).
2. The oven with a sealing structure of a heating fan and a liner according to claim 1, wherein: the annular boss (72) is internally provided with a rotor boss cavity (73), and the rotor boss cavity (73) is communicated with the liner convection cavity (9) through the shaft hole (51).
3. The oven with a sealing structure of a heating fan and a liner according to claim 1, wherein: the front end of the heating fan annular sealing ring (6) is provided with at least two annular ribs (61), the rear end of the heating fan annular sealing ring is provided with an annular groove (62), the annular boss (72) is embedded into the annular groove (62), and the two annular ribs (61) are abutted to the rear side wall of the liner (5).
4. The oven with a sealing structure of a heating fan and a liner according to claim 3, wherein: the at least two annular ribs (61) and the annular groove (62) enable one side of the radial section of the annular sealing ring (6) of the heating fan to be H-shaped, after the installation is finished, the annular boss (72) is propped in the annular groove (62), and meanwhile the at least two annular ribs (61) are enabled to deform and butt against the rear side wall of the liner (5).
5. The oven with a sealing structure of a heating fan and a liner according to claim 1, wherein: the bearing (10) is sleeved on the rotating shaft (71), and the bearing (10) is positioned at the shaft hole (51).
6. The oven with a sealing structure of a heating fan and a liner of claim 5, wherein: the bearing (10) is a waterproof bearing.
7. The oven with a sealing structure of a heating fan and a liner according to claim 1, wherein: the hot air fan blade (4) is fixed on the front end of a rotating shaft (71) of the heating fan (7) through a fan blade fastening screw (3).
8. The oven with a sealing structure of a heating fan and a liner according to claim 1, wherein: an air inlet (21) is formed in the fan cover plate (2), and the air inlet (21) is communicated with the liner convection cavity (9).
9. The oven with a sealing structure of a heating fan and a liner according to claim 1, wherein: the structure of the fan cover plate (2) is a long-strip-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710422331.8A CN107136950B (en) | 2017-06-07 | 2017-06-07 | Oven with heating fan and liner sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710422331.8A CN107136950B (en) | 2017-06-07 | 2017-06-07 | Oven with heating fan and liner sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107136950A CN107136950A (en) | 2017-09-08 |
| CN107136950B true CN107136950B (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710422331.8A Active CN107136950B (en) | 2017-06-07 | 2017-06-07 | Oven with heating fan and liner sealing structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN107136950B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108433526B (en) * | 2018-04-23 | 2023-11-03 | 广东格兰仕集团有限公司 | Hot air component of steaming and baking oven |
| CN109567615A (en) * | 2018-11-29 | 2019-04-05 | 樱花卫厨（中国）股份有限公司 | The uniform oven of baking temperature and oven internal temperature field analysis method |
| CN110693343B (en) * | 2019-10-30 | 2022-01-11 | 宁波方太厨具有限公司 | Oven with drying function |
| CN111336134A (en) * | 2020-04-14 | 2020-06-26 | 中山市欧博尔电器有限公司 | Fan structure of electric oven |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6418835B1 (en) * | 2002-01-30 | 2002-07-16 | Ching-Mei Lin | Rotisserie oven structure |
| CN104970693A (en) * | 2015-07-10 | 2015-10-14 | 广东美的厨房电器制造有限公司 | Cooking utensil |
| CN205102202U (en) * | 2015-10-08 | 2016-03-23 | 广东美的厨房电器制造有限公司 | Hot air convection subassembly of microwave oven and microwave oven that has it |
| CN205994271U (en) * | 2016-06-27 | 2017-03-08 | 宁波欧燕电器有限公司 | Scorch integrated box |
| CN207707790U (en) * | 2017-06-07 | 2018-08-10 | 杭州老板电器股份有限公司 | A kind of oven with heating blower and liner sealing structure |
-
2017
- 2017-06-07 CN CN201710422331.8A patent/CN107136950B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6418835B1 (en) * | 2002-01-30 | 2002-07-16 | Ching-Mei Lin | Rotisserie oven structure |
| CN104970693A (en) * | 2015-07-10 | 2015-10-14 | 广东美的厨房电器制造有限公司 | Cooking utensil |
| CN205102202U (en) * | 2015-10-08 | 2016-03-23 | 广东美的厨房电器制造有限公司 | Hot air convection subassembly of microwave oven and microwave oven that has it |
| CN205994271U (en) * | 2016-06-27 | 2017-03-08 | 宁波欧燕电器有限公司 | Scorch integrated box |
| CN207707790U (en) * | 2017-06-07 | 2018-08-10 | 杭州老板电器股份有限公司 | A kind of oven with heating blower and liner sealing structure |
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| Publication number | Publication date |
|---|---|
| CN107136950A (en) | 2017-09-08 |
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