CN220898489U - Upper cover and cooking utensil with same - Google Patents

Abstract

The utility model provides an upper cover and a cooking utensil with the same, wherein the upper cover comprises: the cover body comprises a top plate and an annular side plate, the upper end of the annular side plate is connected with the outer edge of the top plate, and the top plate is provided with a mounting opening which is arranged in a penetrating manner; the transmission plate is arranged at the mounting opening, and the upper surface or the lower surface of the transmission plate is abutted against the top plate; the ratio of the suspended area of the transmission plate to the abutting area of the transmission plate and the top plate is between 6:1 and 14:1. According to the technical scheme provided by the utility model, the problem that the infrared transmission glass is easy to crack and damage due to the fact that the pressure born by the infrared transmission glass in the related technology is large can be solved.

Description

Upper cover and cooking utensil with same

Technical Field

The utility model relates to the technical field of small household appliances, in particular to an upper cover and a cooking appliance with the same.

Background

In order to better heat the food in the cooking cavity, an infrared heating element is arranged in the upper cover of the cooking utensil. The upper cover of cooking utensil is provided with the installing port, and infrared transmission glass sets up in the installing port department, and infrared transmitting element sets up in infrared transmission glass's top, and infrared ray that infrared heating element sent is transmitted infrared transmission glass and is got into the culinary art intracavity to heat the food in the culinary art chamber.

In the related art, the upper cover is provided with a fixing member, and the infrared transmitting glass is sandwiched between the upper cover and the fixing member to fix the infrared transmitting glass.

However, the pressure in the cooking cavity of the cooking appliance is larger in the cooking process, and the pressure born by the infrared transmitting glass is correspondingly larger, so that the infrared transmitting glass is easy to crack and damage.

Disclosure of utility model

The utility model provides an upper cover and a cooking utensil with the upper cover, which are used for solving the problem that infrared transmission glass is easy to break and damage due to high pressure born by the infrared transmission glass in the related technology.

According to an aspect of the present utility model, there is provided an upper cover comprising: the cover body comprises a top plate and an annular side plate, the upper end of the annular side plate is connected with the outer edge of the top plate, and the top plate is provided with a mounting opening which is arranged in a penetrating manner; the transmission plate is arranged at the mounting opening, and the upper surface or the lower surface of the transmission plate is abutted against the top plate; the ratio of the suspended area of the transmission plate to the abutting area of the transmission plate and the top plate is between 6:1 and 14:1.

By applying the technical scheme of the utility model, the upper cover comprises the cover body and the transmission plate, the transmission plate is arranged at the mounting opening of the cover body, and infrared rays emitted by the infrared emitting element enter the cooking cavity through the transmission plate so as to heat food in the cooking cavity. And because the upper surface or the lower surface of the transmission plate is abutted with the top plate, the ratio of the suspension area of the transmission plate to the abutting area of the transmission plate and the top plate is between 6:1 and 14:1, so that the cover body can be used for bearing pressure as much as possible on the premise of ensuring the transmission area, the pressure born by the transmission plate in the cooking process is reduced, and the risk of breakage and damage of the transmission plate is reduced or eliminated.

Further, the ratio of the suspended area of the transmission plate to the abutting area of the transmission plate and the top plate is between 9:1 and 11:1, so that the ratio of the suspended area of the transmission plate to the abutting area of the transmission plate and the top plate can be further optimized, and the risk of breakage and damage of the transmission plate can be further reduced or eliminated.

Further, the thickness dimension of the transmission plate is between 3mm and 5mm, so that the structural strength of the transmission plate can be ensured, and the pressure bearing capacity of the transmission plate is improved.

Further, the transmissive plate is a circular flat plate, and the diameter of the transmissive plate is between 105mm and 135 mm. The transmission plate is a circular flat plate, so that the stress of the transmission plate is more uniform, and the pressure bearing capacity of the transmission plate can be improved. The diameter of the transmission plate is set between 105mm and 135mm, the transmission plate has enough transmission area, and the transmission plate has enough structural strength and can ensure the pressure bearing capacity of the transmission plate.

Further, the inside wall of the mounting port is provided with an inward extending pressure-bearing flanging, the transmission plate is positioned below the pressure-bearing flanging, and the upper surface of the transmission plate is abutted with the lower surface of the pressure-bearing flanging. By adopting the structure, in the cooking process, along with the pressure rise of the cooking cavity, the transmission plate has a trend of upward movement under the action of the pressure, so that the transmission plate is tightly attached to the pressure-bearing flanging, the transmission plate has good assembly firmness, the transmission plate cannot leave the assembly position during pressure bearing, and the upper cover cannot be damaged. And moreover, the pressure-bearing flanging can be utilized to provide rigid support for the transmission plate, and the pressure-bearing flange has the advantage of strong pressure-bearing capacity.

Further, the upper cover further comprises a sealing ring, the inner side wall of the sealing ring is provided with an annular mounting groove, the outer edge of the transmission plate is inserted into the annular mounting groove, the sealing ring is located below the pressure-bearing flanging, and the upper surface of the sealing ring is abutted to the lower surface of the pressure-bearing flanging. Through setting up the sealing washer, utilize the sealing washer to seal the gap between transmission board and the lid, can promote transmission board's sealing performance.

Further, the sealing ring is provided with a clamping hook extending upwards, and the clamping hook is clamped with the upper surface of the top plate. By adopting the structure, as the sealing ring is connected with the transmission plate, the transmission plate can be assembled and fixed on the cover body after the clamping hook is clamped with the upper surface of the top plate. After cooking is finished, the transmission plate can be detached from the cover body through the clamping hooks, so that the cover body is convenient to clean. After the cleaning is finished, the transmission plate is assembled back to the cover body by the clamping hooks, so that the assembly is convenient.

Further, the transmissive plate comprises a high borosilicate glass plate. The high borosilicate glass plate has good transmission effect and high structural strength.

Further, the upper cover also comprises a shielding cover, the shielding cover is arranged above the cover body, the shielding cover is made of plastic materials, and the cover body is made of metal materials; and/or the lower end of the annular side plate is provided with a cover tooth, or the upper cover also comprises a caliper which is movably arranged. Through setting up shielding cover, can utilize shielding cover to shelter from the lid, and then can promote the wholeness of upper cover. And, because the shielding cover adopts plastic material to make, have the advantage of being convenient for processing, fashioned, the lid adopts the metal material to make, has the advantage that structural strength is high. The upper cover can be buckled with the pot teeth of the pot body through the cover teeth, and then the pressure cooking is carried out by using the cooking utensil. Or the upper cover can be buckled with the pot body through the calipers, and then the pressure cooking is performed by using the cooking utensil.

According to another aspect of the present utility model, there is provided a cooking appliance including: a pot body; the upper cover is arranged on the pot body and is the upper cover provided by the above. Therefore, the cooking utensil can also utilize the cover body to bear pressure as much as possible on the premise of ensuring the transmission area, reduce the pressure born by the transmission plate in the cooking process, and reduce or eliminate the risk of breakage and damage of the transmission plate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a cross-sectional view of an upper cover provided by an embodiment of the present utility model;

FIG. 2 shows a partial enlarged view at A in FIG. 1;

FIG. 3 shows a schematic dimensional view of an upper cover provided by an embodiment of the present utility model;

FIG. 4 is another dimensional schematic view of an upper cover provided by an embodiment of the utility model;

FIG. 5 shows an exploded view of the upper cover provided by the embodiment of the utility model;

FIG. 6 shows a cross-sectional view of an upper cover provided with a gasket and a transmissive plate pressed against a top plate using a retainer ring in accordance with an embodiment of the present utility model;

FIG. 7 shows another cross-sectional view of the upper cover provided by the embodiment of the utility model with the gasket and the transmissive plate pressed against the top plate with the retainer ring;

fig. 8 is a cross-sectional view showing an upper cover for bonding a transmissive plate to a top plate using an adhesive layer according to an embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

10. A cover body; 11. a top plate; 111. a mounting port; 112. pressure-bearing flanging; 113. vertical ribs; 12. an annular side plate; 121. covering teeth;

20. a transmissive plate;

30. a seal ring; 31. an annular mounting groove; 32. a clamping hook;

40. a fixing ring;

S1, suspending area of a transmission plate; s2, the contact area of the transmission plate and the top plate; H. the thickness dimension of the transmissive plate; D. the diameter of the transmissive plate; d. the diameter of the suspended part of the transmission plate corresponds to the diameter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, an embodiment of the present utility model provides an upper cover including a cover body 10 and a transmissive plate 20, the cover body 10 including a top plate 11 and an annular side plate 12, the upper end of the annular side plate 12 being connected to the outer edge of the top plate 11, the top plate 11 having a mounting opening 111 provided therethrough. The transmissive plate 20 is provided at the mounting port 111, and an upper surface or a lower surface of the transmissive plate 20 abuts against the top plate 11. Infrared rays emitted from the infrared emitting element pass through the transmissive plate 20 and enter the cooking cavity to heat food in the cooking cavity. Wherein, the ratio of the suspended area S1 of the transmissive plate 20 to the contact area S2 of the transmissive plate 20 and the top plate 11 is between 6:1 and 14:1.

With the upper cover provided in this embodiment, since the upper surface or the lower surface of the transmission plate 20 is abutted against the top plate 11, the ratio of the suspended area S1 of the transmission plate 20 to the abutting area S2 of the transmission plate 20 and the top plate 11 is between 6:1 and 14:1, so that the cover body 10 can be used to bear pressure as much as possible on the premise of ensuring the transmission area, the pressure borne by the transmission plate 20 in the cooking process is reduced, and the risk of breakage and damage of the transmission plate 20 is reduced or eliminated.

The ratio of the suspended area S1 of the transmissive plate 20 to the contact area S2 of the transmissive plate 20 and the top plate 11 may be any of the other ratios between 6:1, 7:1, 8:1, 9:1, 10:1, 11:1, 12:1, 13:1, 14:1, and 6:1 to 14:1.

In this embodiment, the cover 10 may be an inner cover of an electric pressure cooker, and the cover 10 may be fastened to the cooker to perform pressure cooking by using a cooking device. An infrared heating element is arranged above the transmission plate 20, and the transmission plate 20 can seal the cooking cavity and transfer heat energy.

Specifically, the ratio of the suspended area S1 of the transmissive plate 20 to the abutting area S2 of the transmissive plate 20 and the top plate 11 is between 9:1 and 11:1, so that the ratio of the suspended area S1 of the transmissive plate 20 to the abutting area S2 of the transmissive plate 20 and the top plate 11 can be further optimized, and the risk of breakage and damage of the transmissive plate 20 can be further reduced or eliminated.

The ratio of the suspended area S1 of the transmissive plate 20 to the contact area S2 of the transmissive plate 20 and the top plate 11 may be 9.5: 1. 10:1, 10.5:1, 11:1, and any other ratio between 9:1 and 11:1.

In the present embodiment, the ratio of the suspended area S1 of the transmissive plate 20 to the contact area S2 of the transmissive plate 20 and the top plate 11 is 10:1, and the transmissive plate 20 has a sufficient transmissive area and can ensure the pressure-bearing capability of the transmissive plate 20.

The thickness dimension H of the transmissive plate 20 is between 3mm and 5mm, so that the structural strength of the transmissive plate 20 can be ensured, and the pressure bearing capability of the transmissive plate 20 can be improved.

Specifically, the thickness dimension H of the transmissive plate 20 may be 3mm, 4mm, 5mm, and any other value between 3mm and 5mm. In the present embodiment, the thickness dimension H of the transmissive plate 20 is 5mm.

In the present embodiment, the transmissive plate 20 is a circular flat plate, and the diameter D of the transmissive plate 20 is between 105mm and 135 mm. The transmission plate 20 is a circular flat plate, so that the stress of the transmission plate 20 is more uniform, and the pressure bearing capacity of the transmission plate 20 can be improved. The diameter D of the transmissive plate 20 is set between 105mm and 135mm, and the transmissive plate 20 has a sufficient transmissive area, and the transmissive plate 20 itself has sufficient structural strength, and the pressure-bearing capability of the transmissive plate 20 can be ensured.

The diameter D of the transmissive plate 20 may be 105mm, 110mm, 115mm, 120mm, 125mm, 130mm, 135mm, or any other value between 105mm and 135 mm. In the present embodiment, the diameter D of the transmissive plate 20 is 120mm.

Wherein the diameter of the suspended portion of the transmissive plate 20 corresponds to d.

To facilitate the description of the pressure-bearing capability of the transmissive plate 20 provided in this embodiment, a pressure-bearing test data table for a transmissive plate 20 of 120mm diameter may be combined:

As shown in fig. 2, the inner side wall of the mounting opening 111 is provided with an inwardly extending pressure-bearing flange 112, the transmission plate 20 is located below the pressure-bearing flange 112, and the upper surface of the transmission plate 20 abuts against the lower surface of the pressure-bearing flange 112. With the above structure, in the cooking process, along with the pressure rise of the cooking cavity, the transmission plate 20 has a trend of moving upwards under the action of the pressure, so that the transmission plate 20 is tightly attached to the pressure bearing flange 112, the transmission plate 20 has good assembly firmness, the transmission plate 20 cannot leave the assembly position in the pressure bearing process, and the upper cover cannot be damaged. And, the pressure-bearing flange 112 can provide rigid support for the transmission plate 20, and has the advantage of strong pressure-bearing capacity.

It should be noted that, the transmissive plate 20 is abutted against the pressure-bearing flange 112, and includes the following two structures: the first is that the transmission plate 20 is directly abutted with the pressure-bearing flanging 112; the second is that the transmission plate 20 is indirectly abutted against the pressure-bearing flange 112 through other members (e.g., a seal ring).

In this embodiment, the upper cover further includes a sealing ring 30, an annular mounting groove 31 is disposed on an inner side wall of the sealing ring 30, an outer edge of the transmitting plate 20 is inserted into the annular mounting groove 31, the sealing ring 30 is located below the pressure-bearing flange 112, and an upper surface of the sealing ring 30 abuts against a lower surface of the pressure-bearing flange 112. By providing the seal ring 30, the seal ring 30 seals the gap between the transmission plate 20 and the cover 10, and thus the sealing performance of the transmission plate 20 can be improved.

As shown in fig. 2, the sealing ring 30 is provided with a hook 32 extending upward, and the hook 32 is clamped with the upper surface of the top plate 11. With the above structure, since the seal ring 30 is connected with the transmission plate 20, the transmission plate 20 can be assembled and fixed on the cover body 10 after the hook 32 is clamped with the upper surface of the top plate 11. After cooking is finished, the transmitting plate 20 can be detached from the cover 10 by the hooks 32, so that cleaning is facilitated. After the cleaning, the transmission plate 20 is assembled back to the cover body 10 by the clamping hooks 32, so that the assembly is convenient.

As shown in fig. 8, in other embodiments, an adhesive layer may be further provided between the transmissive plate 20 and the top plate 11, and the transmissive plate 20 may be adhered to the top plate 11 by the adhesive layer. Specifically, an adhesive layer may be provided between the upper surface of the transmissive plate 20 and the lower surface of the top plate 11 and between the vertical ribs 113 extending downward from the lower surface of the top plate 11 and the outer side wall of the transmissive plate 20.

Or in other embodiments, the sealing ring is pressed on the top plate by using the fixing ring 40, so as to fix the transmission plate. For example, as shown in fig. 7, the seal ring may be provided below the top plate, the retainer ring 40 may be provided below the seal ring, the retainer ring 40 may be fixedly connected to the top plate, and the seal ring may be pressed against the top plate by the retainer ring 40. For another example, as shown in fig. 6, the seal ring may be provided above the top plate, the fixing ring 40 may be provided above the seal ring, the fixing ring 40 may be fixedly connected to the top plate, and the seal ring may be pressed against the top plate by the fixing ring 40. Wherein the fixed connection comprises screw connection, welding or riveting.

In this embodiment, the transmissive plate 20 comprises a high borosilicate glass plate. The high borosilicate glass plate has good transmission effect and high structural strength.

In this embodiment, the upper cover further includes a shielding cover, the shielding cover is disposed above the cover body 10, the shielding cover is made of plastic material, and the cover body 10 is made of metal material. Through setting up shielding cover, can utilize shielding cover to shelter from lid 10, and then can promote the wholeness of upper cover. In addition, the shielding cover is made of plastic materials, so that the shielding cover has the advantages of being convenient to process and mold, and the cover body 10 is made of metal materials, so that the shielding cover has the advantage of high structural strength.

Specifically, the shielding cover comprises a surface cover and a lining arranged below the surface cover, and a cavity between the surface cover and the lining can provide an assembly space for components.

In this embodiment, the lower end of the annular side plate 12 is provided with a cover tooth 121, and the upper cover can be buckled with the pot teeth of the pot body through the cover tooth 121, so that the cooking appliance is used for pressure cooking.

In other embodiments, the upper cover further comprises a movably arranged caliper, and the upper cover can be buckled with the pot body through the caliper, so that the pressure cooking is performed by using the cooking utensil.

In the embodiment, the infrared heating element is a heating tube, and has the advantage of low cost. In other embodiments, the infrared heating element may also be a carbon-containing element, such as a halogen tube.

The utility model further provides a cooking appliance, which comprises a pot body and an upper cover, wherein the upper cover is arranged on the pot body, and the upper cover is the upper cover provided by the utility model. Therefore, the cooking appliance can also utilize the cover body 10 to bear pressure as much as possible on the premise of ensuring the transmission area, reduce the pressure born by the transmission plate 20 in the cooking process, and reduce or eliminate the risk of breakage and damage of the transmission plate 20.

The cooking utensil of the application is a pressure cooker, and can be a utensil with other functions such as an electric cooker, an electric stewpan, a cooking machine and the like.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An upper cover, characterized in that the upper cover comprises:

The cover body (10) comprises a top plate (11) and an annular side plate (12), wherein the upper end of the annular side plate (12) is connected with the outer edge of the top plate (11), and the top plate (11) is provided with a mounting opening (111) which is arranged in a penetrating manner;

A transmission plate (20) provided at the mounting opening (111), wherein the upper surface or the lower surface of the transmission plate (20) is in contact with the top plate (11);

Wherein the ratio of the suspended area of the transmission plate (20) to the abutting area of the transmission plate (20) and the top plate (11) is between 6:1 and 14:1.

2. Upper cover according to claim 1, characterized in that the ratio of the suspended area of the transmissive plate (20) to the abutment area of the transmissive plate (20) and the top plate (11) is between 9:1 and 11:1.

3. Upper cover according to claim 1, characterized in that the thickness dimension of the transmissive plate (20) is between 3mm and 5mm.

4. Upper cover according to claim 1, characterized in that the transmissive plate (20) is a circular flat plate, the transmissive plate (20) having a diameter between 105mm and 135 mm.

5. Upper cover according to any one of claims 1 to 4, characterized in that the inner side wall of the mounting opening (111) is provided with an inwardly extending pressure-bearing flange (112), the transmissive plate (20) is located below the pressure-bearing flange (112), and the upper surface of the transmissive plate (20) abuts against the lower surface of the pressure-bearing flange (112).

6. The upper cover according to claim 5, further comprising a sealing ring (30), wherein an annular mounting groove (31) is formed in an inner side wall of the sealing ring (30), an outer edge of the transmitting plate (20) is inserted into the annular mounting groove (31), the sealing ring (30) is located below the pressure-bearing flange (112), and an upper surface of the sealing ring (30) abuts against a lower surface of the pressure-bearing flange (112).

7. Upper cover according to claim 6, characterized in that the sealing ring (30) is provided with an upwardly extending catch (32), which catch (32) is in snap engagement with the upper surface of the top plate (11).

8. Upper cover according to any one of claims 1 to 4, characterized in that the transmissive plate (20) comprises a sheet of borosilicate glass.

9. The upper cover according to any one of claims 1 to 4, wherein,

The upper cover further comprises a shielding cover, the shielding cover is arranged above the cover body (10), the shielding cover is made of plastic materials, and the cover body (10) is made of metal materials; and/or the number of the groups of groups,

The lower end of the annular side plate (12) is provided with a cover tooth (121), or the upper cover further comprises a caliper which is movably arranged.

10. A cooking appliance, the cooking appliance comprising:

A pot body;

An upper cover, which is provided on the pan body, and is the upper cover according to any one of claims 1 to 9.