CN212972744U - Oven with improved air duct system - Google Patents
Oven with improved air duct system Download PDFInfo
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- CN212972744U CN212972744U CN202020540187.5U CN202020540187U CN212972744U CN 212972744 U CN212972744 U CN 212972744U CN 202020540187 U CN202020540187 U CN 202020540187U CN 212972744 U CN212972744 U CN 212972744U
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- baffle
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- inner container
- air duct
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Abstract
The utility model relates to an use oven that has improved generation ductwork, have inner bag and the ductwork that forms in the inner bag, the ductwork is including installing the fan at the inner bag back and having the fan baffle of air intake, form the sealed cavity of placing the fan between fan baffle and the inner bag, the inner bag lateral wall has the baffle, the baffle forms the wind channel that communicates sealed cavity, the baffle is last to have a plurality of trompils that communicate the wind channel, the hot-blast that the fan produced during operation flows out in each trompil of baffle, make the food surface of the horizontal plane that this baffle locates in the inner bag all have hot-blast to blow through; the flow guide body is arranged on the side wall from the inner side of the inner container to the opening direction of the inner container, the cross sectional area of the air channel is gradually reduced along the arrangement direction of the flow guide body, the hot air pressure blown out by the holes in different positions on the flow guide body is ensured to have no obvious difference, the hot air pressure in each position of the inner container is uniform, and the baking effect is further improved.
Description
Technical Field
The utility model relates to an oven field especially relates to an use oven that has improved generation ductwork.
Background
As a common kitchen electrical appliance, the oven is installed in more and more user homes, and the air duct system is an important structure of the oven, and is very important for the oven to bake food with uniform and good luster.
The air duct system of the existing oven is mainly formed by a fan positioned at the back of an inner container of the oven and a fan baffle plate covering the fan, and an air outlet and an air inlet can be formed at the back of the inner container. When the oven works, after the heating pipe in the oven heats air in the inner container, the fan rotates to form hot air, the hot air is blown out from the air outlet at the back of the inner container, and then enters the fan from the air inlet at the back of the inner container.
However, the air duct system of the existing oven also has the following defects: air intake and air outlet all arrange at the inner bag back, under the fan effect, the hot-blast wind pressure of hot-blast different positions department in the inner bag that blows off through the air outlet is inhomogeneous, for example, the food that is close to the inner bag back can receive great hot-blast wind pressure influence, and the food that keeps away from the inner bag back can only receive less hot-blast wind pressure influence, and the hot-blast wind pressure difference that leads to each position department food to receive in the inner bag is obvious, is unfavorable for food to reach the culinary art effect of ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an oven that has improved generation ductwork is provided to above-mentioned prior art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: an oven incorporating an improved duct system, comprising:
an inner container;
the air duct system is formed in the inner container; wherein, the air duct system includes:
the fan is arranged on the back of the inner container;
the fan baffle is positioned on the inner side of the inner container, the fan baffle is over against the fan and is connected with the inner container to form a sealed cavity, the fan is positioned in the sealed cavity, and the fan baffle is provided with an air inlet;
characterized in that, the air duct system still includes:
the flow guide body is positioned on at least one side wall of the inner container, is provided with a plurality of openings communicated with the air channel, and is communicated with the sealed cavity.
The oven is provided with the fan at the back of the inner container and the fan baffle which is opposite to the fan and is provided with the air inlet, a sealing cavity for placing the fan is formed between the fan baffle and the inner container, the side wall of the inner container is provided with the flow guide body with the air channel, the flow guide body is provided with an opening communicated with the air channel, and the air channel is communicated with the sealing cavity. So set up, can make during the fan work produced hot-blast through sealed cavity enter into the wind channel of baffle, hot-blast outflow along each trompil department of wind channel direction at the baffle again to make all have hot-blast blow over on the food of this baffle place horizontal plane in the inner bag, avoid traditional oven only have the food that is close to the inner bag back just can hot-blast blow over not enough.
Of course, the oven is preferably provided with the above-mentioned flow guiding bodies on each side wall of the inner container, so that the hot air can be uniformly blown at each position in the inner container, and a uniform temperature field in the inner container is ensured.
In addition, as a preferable arrangement mode of the flow guide body on the side wall of the inner container, in the oven, the flow guide body is arranged on the side wall from the inner side of the inner container to the opening direction of the inner container, and the cross-sectional area of the air duct is gradually reduced along the arrangement direction of the flow guide body. Because the amount of wind that is close to inner bag back department is great, and the amount of wind that is close to the inner bag opening part is less, it is corresponding with it, the wind channel cross-sectional area that is close to inner bag back department is also great, and the wind channel cross-sectional area that is close to the inner bag opening part is then less, so set up, can ensure that the hot-blast wind pressure that blows out through the trompil that is close to inner bag back and the hot-blast wind pressure that blows out that the trompil that is close to the inner bag opening part do not have obvious difference, just can ensure in the inner bag hot-blast wind pressure of different positions and whether be close to inner bag back and do not have inevitable relation, thereby just make the wind pressure that is close to the trompil of inner bag back department and the wind.
As for the case of the open pore structure, specifically, the open pore on the flow conductor is a kidney-shaped hole formed along the forming direction of the air duct.
In order to ensure the communication effect between the sealing cavity and the air channel of the flow guide body and avoid the occurrence of hot air leakage, in the oven with the improved air channel system, the fan baffle and the inner container are integrally formed.
In addition, in the oven, the air inlet is formed at a central position of the blower baffle.
In order to ensure that the food placed in the inner container at different heights can be baked by hot air, the oven of the utility model is provided with a plurality of baking tray supports arranged up and down on the side wall of the inner container, and the flow guide body is arranged between the baking tray supports.
In order to adjust the height of the baking tray in the inner container conveniently, the baking oven is provided with a traction mechanism for drawing the baking tray support to move up and down. For example, the traction mechanism herein may include:
the driving motor is positioned at the top of the inner container and is provided with an output shaft;
the gear is meshed with the output shaft, and a threaded hole is formed in the center of the gear;
the rod body is provided with a thread section and is vertically arranged in the inner container; the head end of the rod body penetrates through the threaded hole, and the tail end of the rod body is connected with the baking tray support.
Compared with the prior art, the utility model has the advantages of: the oven is characterized in that the back of the inner container is provided with a fan and a fan baffle which is opposite to the fan and is provided with an air inlet, a sealing cavity for placing the fan is formed between the fan baffle and the inner container, the side wall of the inner container is also provided with a flow guide body with an air channel, the flow guide body is provided with an opening communicated with the air channel, and the air channel is communicated with the sealing cavity, so that hot air generated by the fan during working flows out of each opening of the flow guide body, and the food on the horizontal plane where the flow guide body is located in the inner container is blown by the hot air, thereby avoiding the defect that only the food close to the back of the inner container in the traditional oven can be blown by;
secondly, the baffle sets up towards the inner bag opening direction from the inner bag inboard on the lateral wall, and the cross-sectional area in wind channel diminishes along the direction that sets up of this baffle gradually to ensure that be located on the baffle and apart from the hot-blast wind pressure that the trompil of the different positions department at inner bag back blew out does not have obvious difference, ensure that the hot-blast wind pressure of each position department is even in the inner bag, improve and cure the effect.
Drawings
FIG. 1 is a schematic structural view of a removal box of an oven according to the present embodiment;
FIG. 2 is a schematic view of the oven configuration of FIG. 1 at another perspective;
FIG. 3 is a back schematic view of the oven configuration of FIG. 1;
fig. 4 is a cross-sectional view of the toaster structure shown in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
This embodiment provides an oven with an improved air duct system, as shown in fig. 1 to 4, the oven not only has a box body (not shown in the figure), but also has:
an inner container 1;
the air duct system is formed in the liner 1; the air duct system of this embodiment includes:
the fan 2 is arranged on the back of the inner container 1;
the fan baffle 3 is positioned on the inner side of the inner container 1, the fan baffle 3 is over against the fan 2 and is integrally formed with the inner container 1 to form a sealed chamber 4, the fan 2 is positioned in the sealed chamber 4, and an air inlet 30 is formed in the center of the fan baffle 3;
the baffle 5 is formed with an air duct 50. The baffle 5 is located on two side walls of the inner side of the liner 1, as shown in fig. 1 and fig. 2, the baffle 5 has a plurality of openings 51 communicated with the air duct 50, the air duct 50 is communicated with the sealed chamber 4, and the communication condition between the air duct 50 and the sealed chamber 4 is shown in fig. 4. As shown in fig. 2, the baffle 5 is disposed on the sidewall from the inner side of the liner toward the opening of the liner, and the cross-sectional area of the air duct 50 gradually decreases along the direction of disposing the baffle. The opening 51 of the baffle 5 is a waist-shaped hole formed along the forming direction of the air duct 50.
The oven of this embodiment has not only set up fan 2 and just to the fan baffle 3 that just has air intake 30 with fan 2 at inner bag back, has formed the sealed cavity 4 of placing the fan between fan baffle 3 and the inner bag 1, but also is provided with baffle 5 that has wind channel 50 at two lateral walls of inner bag, has the trompil 51 that communicates wind channel 50 on baffle 5, and wind channel 50 is linked together with sealed cavity 4. So set up, can make in fan 2 produced hot-blast wind channel 50 that enters into baffle 5 through sealed cavity 4 during the during operation, hot-blast direction along wind channel 50 again flows in each trompil 51 department of baffle 5, thereby can make all have hot-blast blow through on the food of the baffle 5 place horizontal plane in inner bag 2, only have in having avoided traditional oven to be close to the food at inner bag back just can hot-blast not enough that blow through, the hot-blast air that blows through behind the food enters into sealed cavity 4 from air intake 30 of fan baffle 3 again, in order to form hot-blastly under fan 2 effect again.
Considering the actual situation that the air volume near the back of the inner container is usually large and the air volume near the opening of the inner container is small, the embodiment can make the cross-sectional area of the air duct near the back of the inner container large and the cross-sectional area of the air duct near the opening of the inner container small by making the arrangement direction of the flow guide body 5 and the air duct 50 inside the flow guide body, so that it can be ensured that the hot air pressure blown out through the opening near the back of the inner container and the hot air pressure blown out through the opening near the opening of the inner container are not obviously different, and it can be ensured that the hot air pressure at different positions in the inner container is not necessarily related to the back of the inner container, so that the air pressure at the opening near the back of the inner container and the air pressure at the opening near the opening of the inner container are as close as possible, and the uniformity of the hot air pressure at each.
Of course, in the oven of this embodiment, a plurality of grill pan supports 6 are provided on the inner side wall of the inner tub 1, the above-described flow guide 5 is provided between the grill pan supports 6, and the oven also has a drawing mechanism for drawing the grill pan supports 6 to move up and down. Through all setting up baffle 5 between each overware, can ensure to place the food on the different height in the inner bag and all can obtain hot-blast baking to be blown evenly by hot-blast, in order to reach even baking effect. Referring to fig. 1-4, the pulling mechanism includes:
a driving motor 71 positioned on the top of the inner container 1, the driving motor 71 having an output shaft 710;
a gear 72 engaged with the output shaft 710, the gear 72 having a screw hole (not shown) at a center thereof;
a rod body 73 with a thread section, wherein the rod body 73 is vertically arranged in the liner 1; wherein, the head end of the rod body 73 passes through the threaded hole, and the tail end of the rod body 73 is connected with the baking tray bracket 6.
After the driving motor 71 works, the gear 72 is driven to rotate through the rotation of the output shaft 710, then the rod body 73 is driven to rotate by the rotating gear 72, the thread section of the rod body 73 continuously rotates in the thread hole of the gear 72, the rising or falling of the rod body 73 can be realized by adjusting the rotating direction of the driving motor 71, and finally the effect that the baking tray support 6 rises or falls along with the rod body is achieved.
Claims (8)
1. An oven incorporating an improved duct system, comprising:
an inner container (1);
the air duct system is formed in the inner container (1); wherein, the air duct system includes:
the fan (2) is arranged on the back of the inner container (1);
the fan baffle (3) is positioned on the inner side of the inner container (1), the fan baffle (3) is over against the fan (2) and is connected with the inner container (1) to form a sealed chamber (4), the fan (2) is positioned in the sealed chamber (4), and the fan baffle (3) is provided with an air inlet (30);
characterized in that, the air duct system still includes:
the air guide body (5) is provided with an air duct (50), the air guide body (5) is located on at least one side wall of the inner side of the inner container (1), the air guide body (5) is provided with a plurality of open holes (51) communicated with the air duct (50), and the air duct (50) is communicated with the sealed chamber (4).
2. The oven with the improved air duct system as claimed in claim 1, wherein the baffle (5) is disposed on the sidewall from the inner side of the liner toward the opening of the liner, and the cross-sectional area of the air duct (50) is gradually reduced along the direction of the baffle.
3. The oven with the improved air duct system as claimed in claim 2, wherein the opening (51) of the baffle (5) is a kidney-shaped hole formed along the forming direction of the air duct (50).
4. The oven with the improved air duct system as claimed in any one of claims 1 to 3, wherein the fan baffle (3) and the inner container (1) are integrally formed.
5. The oven with the improved air duct system as claimed in any one of claims 1 to 3, wherein the air inlet (30) is formed at a central position of the fan baffle (3).
6. The oven with the improved air duct system according to any one of claims 1 to 3, wherein a plurality of baking tray supports (6) arranged up and down are arranged on the side wall of the inner side of the inner container (1), and the flow guiding body (5) is arranged between the baking tray supports (6).
7. The oven with the improved air duct system as claimed in claim 6, wherein the oven has a drawing mechanism for drawing the tray support (6) to move up and down.
8. The oven incorporating the improved duct system of claim 7, wherein said pulling mechanism comprises:
a drive motor (71) positioned on the top of the inner container (1), the drive motor (71) having an output shaft (710);
a gear (72) engaged with the output shaft (710), the gear (72) having a threaded hole in the center;
a rod body (73) with a threaded section, wherein the rod body (73) is vertically arranged in the inner container (1); the head end of the rod body (73) penetrates through the threaded hole, and the tail end of the rod body (73) is connected with the baking tray support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020540187.5U CN212972744U (en) | 2020-04-13 | 2020-04-13 | Oven with improved air duct system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020540187.5U CN212972744U (en) | 2020-04-13 | 2020-04-13 | Oven with improved air duct system |
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| Publication Number | Publication Date |
|---|---|
| CN212972744U true CN212972744U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020540187.5U Active CN212972744U (en) | 2020-04-13 | 2020-04-13 | Oven with improved air duct system |
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| Country | Link |
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| CN (1) | CN212972744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117178148A (en) * | 2021-04-27 | 2023-12-05 | 大金工业株式会社 | Baffle unit |
-
2020
- 2020-04-13 CN CN202020540187.5U patent/CN212972744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117178148A (en) * | 2021-04-27 | 2023-12-05 | 大金工业株式会社 | Baffle unit |
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