RU2789904C1 - Cooking device - Google Patents

Abstract

FIELD: food preparation devices.

SUBSTANCE: invention relates to a food preparation device. The food preparation device comprises a lid, a device body and an inner cap, wherein the lid is positioned on the device body to open and close the device body, the device body comprises a heating structure, and the lid comprises: a lid body; a baking unit located under the lid body, wherein the lid body is provided with a ventilation channel through which the inside of the cooking device communicates with the outside, the inner cap is removably mounted on the lid body and is located under the baking unit, the side wall of the ventilation channel is provided with a ventilation hole ; a blocking element slidable in the ventilation duct, wherein the blocking element is slidable down to the bottom of the ventilation duct when the inner cap is detached, and the blocking element is operable to block the vent when the blocking element is located at the top or bottom of the vent channel.

EFFECT: invention solves the problem that the electrical components inside the lid of the prior art food preparation apparatus are exposed to moisture.

17 cl, 15 dwg

Description

The field of technology to which the invention belongs

The invention relates to the technical field of electrical household appliances, in particular to a cooking device.

State of the art

At present, the pressure baking oven mainly uses a common ventilation duct having a plurality of through holes. However, for different cooking modes, the requirements for the ventilation duct are different. When cooking in the bake mode, outside air must be drawn into the baking unit, while normal cooking requires the inside air to be exhausted (ventilated) when necessary. The air discharged during the normal cooking mode has a large amount of moisture, and the moist air entering the baking unit has a great influence on the use of electrical components inside the baking unit. Sharing a single vent can easily lead to steam entering an unused through hole and causing the electrical components in the lid to get wet.

In other words, in the prior art, the electrical components inside the lid of the cooking apparatus have the problem of getting wet easily.

Disclosure of the essence of the invention

The main object of the invention is to provide a cooking apparatus in such a way as to solve the problem that the electrical components inside the lid of the prior art cooking apparatus are exposed to moisture.

In order to solve the problem described above, the invention relates to a cooking device comprising a lid, a device body and an inner cap, the lid being positioned on the device body so as to open and close the device body, the device body comprising a heating structure, and the lid comprising: a lid body; a baking unit located under the lid body, wherein the lid body is provided with a ventilation channel through which the interior of the food preparation device communicates with the outside, the inner cap is removably mounted on the lid body and is located under the baking unit, the side wall of the ventilation channel is provided with a ventilation hole ; a blocking element slidable in the ventilation duct, wherein the blocking element is slidable down to the bottom of the ventilation duct when the inner cap is detached, and the blocking element is operable to block the vent when the blocking element is located at the top or bottom of the vent channel.

By having a baking unit on the cooking device, the cooking device can carry out cooking in the baking mode, while at the same time, due to the presence of an inner cap, the cooking device can carry out normal cooking, which improves the versatility of the cooking device, allowing you to use one device for two purposes and greatly improves the versatility of the device for cooking. Both the baking unit and the inner cap are ventilated through the ventilation duct. By providing a side wall of the ventilation duct with an air vent, the ventilation requirements of the cooking appliance in various cooking modes can be met. Due to the presence of the blocking element, the unused vent can be blocked, thus reducing air intake into the lid, preventing the problem that the electrical components in the lid are exposed to moisture, reducing the impact on the electrical components inside the lid, improving the reliability of the operation of the lid and extending its service life.

In addition, the inner cap is provided with a support element which is adjacent to the blocking element and raises the blocking element when the inner cap is installed.

In addition, the inner cap has a pressure limiting valve assembly that extends into the vent and raises the blocking member when the inner cap is installed. After the inner cap is placed under the cap, the pressure limiting valve assembly extends into the vent so as to vent. The pressure limiting valve assembly raises the blocking member so that the cooking apparatus performs normal cooking. After the inner cap is detached, the locking element falls back to the bottom of the ventilation duct by gravity, so that the cooking device performs cooking in the baking mode.

In addition, the pressure limiting valve assembly further comprises a valve body and a plurality of support legs that are higher than the valve body and spaced apart from each other around the outer periphery of the valve body. The support legs are adjacent to the lower part of the blocking element and push it. After the inner cap is detached, the blocking element falls back to the bottom of the vent by gravity to block the second through hole, preventing high temperature air from exposing the pusher O-ring while leaving the first through hole open to allow air to circulate inside the baking unit.

In addition, the ventilation hole contains the first through hole located in the upper section of the ventilation channel and communicating with the baking unit. The blocking element passes the first through hole as it slides down to the bottom of the vent and blocks the first through hole as it rises to the top of the vent. When the blocking element slides down to the bottom of the ventilation channel, the cooking device performs cooking in the baking mode, and the blocking element leaves the first through hole open so that the baking unit is in communication with the ventilation channel so as to circulate the air inside baking unit when the baking unit is running.

In addition, the ventilation hole contains a second through hole located in the lower part of the ventilation channel. The blocking element blocks the second through hole as it slides down to the bottom of the vent and passes the second through hole as it rises to the top of the vent. When the blocking member slides down to the bottom of the ventilation duct, the cooking apparatus performs cooking in the bake mode, and the blocking member blocks the second through hole, which can prevent the high temperature generated by cooking in the bake mode from affecting the structural members inside the second through hole. holes.

In addition, the lid includes a pusher configured to extend beyond the second through hole. When the cooking apparatus needs to be ventilated during normal cooking, the pusher extends beyond the second through hole so as to push the pressure limiting valve assembly so that the pressure limiting valve assembly provides ventilation.

In addition, the side wall of the ventilation duct is additionally provided with an adjacent structure located in the middle section of the ventilation duct. When the blocking element is located at the lower or upper end of the ventilation duct, the upper or lower part of the blocking element interacts, respectively, with the adjacent structure in a position-limiting manner. The adjoining structure limits the movement of the blocking element to prevent the blocking element from falling out of the ventilation duct, improving the operation reliability of the blocking element.

In addition, the adjoining structure is made in the form of a ring and is located around the circumference of the ventilation duct. The upper part of the blocking element has a first adjacent flange which cooperates with the adjacent structure. The lower part of the blocking element has a second adjacent flange, which interacts with the adjacent structure. When the blocking element is located at the bottom of the ventilation duct, the first adjacent flange engages with the top surface of the adjacent structure to prevent the blocking element from falling out. When the blocking element is located at the top of the duct, the second abutment flange engages with the bottom surface of the adjacent structure to prevent the blocking element from being pushed out of the vent duct by the pressure limiting valve assembly.

In addition, the blocking element further comprises a sealing ring located on the second adjacent flange; and/or located on the first adjacent flange. By providing the sealing ring, the gap between the ventilation duct and the blocking member can be sealed to prevent air leakage between the ventilation duct and the blocking member, allowing the blocking member to securely block the first through hole or the second through hole.

In addition, the blocking element contains: the top cap, the upper part of which has a first adjacent flange extending outward; a bottom cap mounted below the top cap, the lower part of which has a second adjacent flange extending outward. Due to the presence of the blocking element with a structure of separate parts, it is easier to install the blocking element in the ventilation duct, which reduces the assembly complexity.

In addition, the lower part of the upper cap has a plurality of first connecting elements extending inwardly and spaced from each other around the inner wall of the upper cap, the upper part of the lower cap has second connecting elements that interact with the first connecting elements, and the blocking element further comprises a fastening element. an element connecting the first connecting elements and the second connecting elements. Due to the presence of the fastening element, the upper cap and the lower cap are detachable from each other, which facilitates the installation and detachment of the blocking element with the ventilation duct.

In addition, the blocking element has a mesh structure located inside the blocking element and located above the vent. Due to the presence of a mesh structure, the airflow rate can be reduced, which prevents the user from being scalded by the rapidly escaping air, and improves the reliability and safety of using the cooking device. The mesh structure can have a function of blocking foreign objects and preventing foreign objects from entering the cooking apparatus.

In addition, the lid body includes a connecting cylinder and an adjacent cylinder, which are arranged coaxially to form a ventilation duct. The connecting cylinder is located above the adjacent cylinder, and the connecting cylinder has a first through hole, and the adjacent cylinder has a second through hole. By providing the connecting cylinder, making the first through hole is facilitated, and at the same time, the connecting cylinder is resistant to high temperature and can function reliably.

In addition, the inner wall of the adjacent cylinder has an adjacent structure extending towards the center of the adjacent cylinder. The wall of the adjoining cylinder has an adjoining section extending to the center of the adjoining cylinder, and also has an adjoining structure extending upward from the adjoining section, and the connecting cylinder adjoins the adjoining section and is located outside the adjoining structure. The adjacent cylinder extends upward from the inner liner.

In addition, the blocking element further comprises a sealing ring, which is adjacent to the inner wall of the ventilation duct so as to seal the gap between the blocking element and the ventilation duct. An O-ring is fitted on the outer wall of the blocking element and adjacent to the inner wall of the vent to seal the gap between the blocking element and the vent, preventing air from entering the vent when it is not required for operation.

In addition, the blocking element contains a second adjacent flange, the baking unit additionally contains a reflective shell located under the lid body and having a through hole communicating with the ventilation channel. The area of the passage hole is less than the area of the opening of the ventilation duct. The blocking element is located in the ventilation duct, and the lower surface of the second adjacent flange can be adjacent to the reflective shell and be sealed. When the blocking element is at the bottom of the ventilation duct, the second adjacent flange is in contact with the reflective shell and is sealed to prevent air from flowing into the second through hole. At the top of the blocking element, the first abutment flange contacts the adjoining structure and is sealed such that the second through hole is blocked between the first abutment flange and the second abutment flange.

Brief description of the drawings

The accompanying drawings to the description, which form part of the application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their description are used to explain the invention and do not unduly limit the invention. On the attached drawings:

In FIG. 1 shows an angled view of the lid of a cooking device according to an optional embodiment of the invention (when the blocking element is located under the ventilation duct);

In FIG. 2 shows a different angle view of the lid of FIG. 1 (when the blocking element is located above the ventilation duct);

In FIG. 3 is an angled sectional view of the cover of FIG. 1;

In FIG. 4 is a sectional view of the cover of FIG. 1 after installing the inner cap;

In FIG. 5 is a schematic view of the position relationship between the pressure limiting valve assembly of FIG. 4 and pusher;

In FIG. 6 is a schematic view of the position relationship between the blocking element of FIG. 4 and a push rod;

In FIG. 7 is an exploded view of FIG. 4;

In FIG. 8 is a schematic structural view of the inner cap of FIG. 7;

In FIG. 9 is an enlarged view of location N of FIG. 7;

In FIG. 10 is an exploded view of the cover of FIG. 1;

In FIG. 11 is a general schematic structural view of the lid body of FIG. 10;

In FIG. 12 is a schematic structural view of the blocking element of FIG. 1;

In FIG. 13 is an exploded view of FIG. 12;

In FIG. 14 is an enlarged view of location M of FIG. 3;

In FIG. 15 is an enlarged view of the location P of FIG. 4.

In the drawings, the figures described above are referenced as follows:

1. cover; 3. inner cap; 4. cover body; 5. knot for baking; 6. ventilation duct; 8. first through hole; 9. inlet conductive structure; 11. push rod; 12. second through hole; 13. pressure limiting valve assembly; 17. reflective shell; 27. blocking element; 28. adjoining structure; 29. first adjacent flange; 30. second adjacent flange; 31. top cap; 32. bottom cap; 33. O-ring; 34. first connecting element; 35. second connecting element; 36. mesh structure; 37. valve body; 38. support leg; 39. connecting cylinder; 40. adjoining cylinder; 41. front cover; 42. mounting hole; 43. inner liner; 120. adjoining section; 134. first sliding structure; 135. second sliding structure; 136. drive rib; 137. groove; 138. cover plate; 139. guide oblique surface; 140. through hole; 141. sealing silicone.

Implementation of the invention

It should be noted that, provided there is no conflict, the embodiments of the invention in the application and their features can be combined with each other. The invention will be described below with reference to the accompanying drawings and with respect to embodiments of the invention.

It should be noted that, unless specifically stated otherwise, all technical and scientific terms used in the application have the same meanings as would normally be understood by one of ordinary skill in the art to which the invention pertains.

In the invention, unless otherwise indicated, the direction terms used, such as "up", "down", "top" and "bottom", generally refer to the directions shown in the accompanying drawings, or refer to the vertical or perpendicular direction of the details or the direction of gravity. Similarly, for ease of understanding and description, the terms "inner" and "outer" refer to the inside and outside of the outline of the respective part itself. However, these directional terms are not used to limit the invention.

The invention relates to a cooking apparatus which solves the problem that electrical parts inside the lid of a prior art cooking apparatus are exposed to moisture.

As shown in FIG. 1-15, the cooking device includes a lid 1, a body of the device, and an inner cap 3. The lid 1 is provided on the body to cover the latter so as to enable opening and closing, and the body includes a heating structure. The lid 1 comprises: a lid body 4, a baking unit 5 and a blocking element 27. The baking unit 5 is located under the lid body 4, and the lid body 4 is provided with a ventilation channel 6 through which the inside of the cooking device communicates with the outside. The inner cap 3 is removably mounted on the lid body 4 and is located under the baking unit 5, and the side wall of the ventilation channel 6 has a ventilation hole. The blocking element 27 is slidably located in the ventilation channel 6. After the inner cap 3 is detached, the blocking element 27 slides down to the bottom of the ventilation channel 6, and when the blocking element 27 is located at the top or bottom of the ventilation channel 6, it blocks ventilation hole.

Due to the presence of the baking unit 5 on the cooking apparatus, the cooking apparatus can perform cooking by baking, and due to the presence of the inner cap 3, the cooking apparatus can perform normal cooking, which improves the versatility of the cooking apparatus, allowing the use of one device for two purposes, and greatly improves the versatility of the device for cooking. Both the baking unit 5 and the inner cap 3 are ventilated through the ventilation passage 6. When the side wall of the ventilation passage 6 is provided with a ventilation hole, the ventilation requirements of the cooking apparatus in various different cooking modes can be met. Due to the presence of the blocking member 27, the vent hole can be blocked when it is not needed, thereby reducing air intake into the lid, preventing the problem of moisture in the electrical components in the lid 1, reducing the impact on the electrical components in the lid 1, improving the reliability of the operation of the lid 1 and extending its service life.

In particular, the vent has a first through hole 8 located in the upper part of the vent 6 and communicates with the baking unit 5. The blocking element 27 exits the first through hole 8 when it slides down to the bottom of the ventilation channel 6 and blocks the first through hole 8 when it rises to the top of the ventilation channel 6. When the blocking element 27 slides down to the bottom of the ventilation channel 6 , the cooking device performs cooking in the baking mode, and the blocking member 27 leaves the first through hole 8 open so that the baking unit 5 is in communication with the ventilation duct 6 so as to allow air to circulate inside the baking unit 5 when node 5 for baking is working. When the blocking member 27 rises to the top of the ventilation duct 6, the cooking apparatus performs normal cooking, and the blocking member 27 blocks the first through hole 8, preventing the high temperature and humid gases generated by normal cooking from entering the baking unit 5, and improving the operational reliability of the baking unit 5.

As shown in FIG. 11, the vent includes a second through hole 12 located at the bottom of the vent 6. The blocking member 27 blocks the second through hole 12 as it slides down to the bottom of the vent 6 and exits the second through hole 12 as it rises to the upper part of the ventilation channel 6. When the blocking member 27 slides down to the bottom of the ventilation channel 6, the cooking apparatus performs cooking in the baking mode, and the blocking member 27 blocks the second through hole 12, which can prevent the high temperature generated in the process cooking in the baking mode, on the structural elements inside the second through hole 12. When the blocking element 27 rises to the top of the ventilation duct 6, the cooking device performs normal cooking, and the blocking element 27 leaves the second through hole open. rsti, so that the structural elements in the second through hole 12 work.

As shown in FIG. 4, the inner cap 3 has a pressure limiting valve assembly 13 which, after inserting the inner cap 3, extends into the ventilation channel 6 and raises the blocking member 27. After the inner cap 3 is installed under the cap 1, the pressure limiting valve assembly 13 extends into the ventilation channel. 6 so as to carry out ventilation. The pressure limiting valve assembly 13 raises the blocking member 27 so that the cooking apparatus performs normal cooking. After the inner cap 3 is detached, the locking member 27 falls back to the bottom of the ventilation duct 6 by gravity, so that the cooking device performs cooking in the baking mode.

As shown in FIG. 11, the lid 1 includes a pusher 11 configured to extend beyond the second through hole 12. When the cooking apparatus needs to be ventilated during normal cooking, the pusher 11 extends from the second through hole 12 so as to push the pressure limiting valve assembly 13 so that the pressure limiting valve assembly 13 provides ventilation. The lid 1 further includes a pusher sealing ring which is put on the pusher 11 and adjacent to the second through hole 12 to seal the gap between the pusher 11 and the second through hole 12, preventing high temperature and moist gases from entering the cover body 4 when the cooking device performs normal cooking, reducing the effect of high temperature and humid gases on the electrical components in the lid body 4 and improving the reliability and safety of using the lid body 4. In addition, during baking cooking, the baking temperature is very high, and the sealing ring for the pusher is very susceptible to aging in a long-term baking temperature environment, which causes air leakage between the pusher 11 and the second through hole 12, which has a large potential safety risk. The blocking member 27 blocks the second through hole 12 to isolate the pusher O-ring, reducing the effect of baking temperature on the pusher O-ring, improving the reliability and stability of the operation of the pusher O-ring, and at the same time prolonging the service life of the pusher O-ring.

As shown in FIG. 4, after installing the inner cap 3, the pressure limiting valve assembly 13 raises the blocking member 27 so as to leave the second through hole 12 open, so that the plunger 11 can cooperate with the pressure limiting valve assembly 13, and at the same time, the blocking member 27 blocks the first through hole. hole 8. After the inner cap 3 is detached, the blocking member 27 falls back by gravity to the bottom of the ventilation duct 6 to block the second through hole 12, preventing the pusher seal ring from being exposed to high temperature air, and at the same time leaving open the first through hole 8 to allow air to circulate inside the baking unit 5.

As shown in FIG. 8, the pressure limiting valve assembly 13 further comprises a valve body 37 and a plurality of support legs 38 that are taller than the valve body 37, the plurality of support legs 38 being spaced from each other around the outer periphery of the valve body 37. The support legs 38 are adjacent to the lower part of the blocking element 27 and push it. The valve body 37 is used for ventilation, and the tappet 11 pushes and lifts the valve body 37. The reason why the support legs 38 are designed to be higher than the valve body 37 is to prevent the blocking member 27 from being pressed directly against the valve body 37 so that the pusher 11 pushes and lifts the valve body 37.

As shown in FIG. 9, the side wall of the ventilation duct 6 is further provided with an adjacent structure 28 located in the middle part of the ventilation duct 6. When the blocking element 27 is in the lower or upper part of the ventilation duct, the upper end or the lower end of the blocking element 27 cooperates with the adjacent structure 28, respectively. in a restrictive manner. The adjoining structure 28 limits the movement of the blocking element 27 to prevent the blocking element 27 from falling out of the ventilation duct 6, improving the reliability of the blocking element 27.

As shown in FIG. 9, the adjacent structure 28 is in the form of a ring and is located around the circumference of the ventilation duct 6. The upper part of the blocking element 27 has a first abutment flange 29, which cooperates with the adjacent structure 28. The lower part of the blocking element 27 has a second abutment flange 30, which cooperates with the adjacent structure 28. When the blocking element 27 is located at the bottom of the duct 6, the first abutment flange 29 engages with the top surface of the adjacent structure 28 to prevent the blocking element 27 from falling out. When the blocking element 27 is located at the top of the vent 6, the second abutment flange 30 cooperates with the bottom surface of the adjacent structure 28 to prevent the blocking member 27 from being pushed out of the ventilation duct 6 by the pressure limiting valve assembly 13 .

As shown in FIG. 3, fig. 4 and FIG. 13, the blocking element 27 further comprises an o-ring 33 located on the second adjacent flange 30; and/or located on the first adjacent flange 29. Due to the presence of the sealing ring 33, the gap between the vent 6 and the blocking element 27 can be sealed to prevent air leakage between the vent 6 and the blocking element 27, allowing the blocking element 27 to securely block the first through hole 8 or second through hole 12.

As shown in FIG. 13, the blocking element 27 comprises a top cap 31 and a bottom cap 32. The top of the top cap 31 is provided with a first abutting flange 29 extending outwardly. The lower cap is installed under the upper cap 31, the lower part of the lower cap 32 is provided with a second adjacent flange 30 extending outward. The configuration of the blocking element 27 in a piece-by-piece structure facilitates the installation of the blocking element 27 in the ventilation duct 6, thereby reducing assembly complexity.

As shown in FIG. 13, the bottom of the top cap 31 has a plurality of first connectors 34 extending inwardly and spaced apart around the inner wall of the top cap 31, the top of the bottom cap 32 has second connectors 35 that cooperate with the first connectors 34, and the blocking element 27 further comprises a fastening element connecting the first connecting elements 34 and the second connecting elements 35. Due to the presence of the fastening element, the upper cap 31 and the lower cap 32 are detachable from each other, which facilitates the installation and detachment of the blocking element 27 with the ventilation channel 6 .

When assembling the blocking element 27 with the vent 6, the top cap 31 may first be inserted into the vent 6. The first abutment flange 29 and the abutment structure 28 cooperate with each other in an abutting manner. The bottom cap 32 is then inserted into the vent 6. After the first connectors 34 and the second connectors 35 are aligned, the fastener connects the first connectors 34 and the second connectors 35 together to assemble the locking element 27.

As shown in FIG. 12 and FIG. 13, the blocking element 27 has a mesh structure 36 located inside the blocking element 27 and located above the vent. By providing the mesh structure 36, the air flow rate can be reduced, which prevents the user from being burned by the rapidly escaping air, and improves the reliability and safety of using the cooking apparatus. The mesh structure 36 can perform the function of blocking foreign objects and preventing foreign objects from entering the cooking apparatus.

As shown in FIG. 13, the mesh structure 36 is positioned over the first connecting members 34 to avoid the pressure limiting valve assembly 13 by preventing interference between the pressure limiting valve assembly 13 and the mesh structure 36.

As shown in FIG. 3, the lid body 4 comprises a connecting cylinder 39 and an adjacent cylinder 40 which are arranged coaxially and form a ventilation passage 6. The connecting cylinder 39 is positioned above the adjacent cylinder 40 and the connecting cylinder 39 has a first through hole 8 and the adjacent cylinder 40 has a second through hole. 12. By providing the connecting cylinder 39, the first through hole 8 is facilitated, and at the same time, the connecting cylinder 39 is resistant to high temperature and can function reliably.

As shown in FIG. 7, the cover body 4 includes a front cover 41 having a mounting hole 42, within which a connecting cylinder 39 is installed. By providing the connecting cylinder 39, the first through hole 8 is facilitated, and at the same time, the connecting cylinder 39 and the front cover 41 are made of different materials. , and the connecting cylinder 39 has good high temperature resistance to ensure reliable operation of the connecting cylinder 39.

As shown in FIG. 9, the inner wall of the adjacent cylinder 40 is provided with an adjacent structure 28 extending toward the center of the adjacent cylinder 40. The wall of the adjacent cylinder 40 is provided with an adjacent section 120 extending towards the center of the adjacent cylinder 40 and also provided with an adjacent structure 28 extending upward from the adjacent section 120. cylinder 39 adjoins adjoining section 120 and is located on the outside of adjoining structure 28. Adjacent cylinder 40 extends upward from inner liner 43.

As shown in FIG. 12, the blocking member 27 further comprises a sealing ring 33 which abuts against the inner wall of the adjacent cylinder 40 so as to seal the gap between the blocking member 27 and the adjacent cylinder 40. The sealing ring 33 is attached to the outer wall of the blocking member 27 and abuts against the inner wall of the adjacent cylinder. 40 to seal the gap between the blocking element 27 and the adjoining cylinder 40, preventing air from entering the vent that should not work.

As shown in FIG. 1, the blocking element 27 includes a second adjacent flange 30, the baking unit 5 further includes a reflective shell 17 located under the lid body 4. The reflective shell 17 has a through hole 140 communicating with the ventilation channel 6. The area of the through hole 140 is less than the area of the opening of the ventilation channel 6. The blocking element 27 is located inside the ventilation channel 6, and the lower surface of the second adjacent flange 30 can adjoin the reflective shell 17 and be sealed. When the blocking element 27 is at the bottom of the ventilation duct 6, the second adjacent flange 30 contacts the reflective shell 17 and is sealed to prevent air from entering the second through hole 12; while at the top of the blocking member 27, the first abutment flange 29 contacts the adjoining structure 28 and is sealed so that the second through hole 12 is blocked in the area between the first abutment flange 29 and the second abutment flange 30. an irregularly shaped cavity, and at the same time facilitate the adjoining of the blocking element 27 to the reflective shell 17.

It should be noted that the blocking member 27 can block the first through hole 8 or the second through hole 12 in a variety of ways. The description has been made using the blocking member 27 blocking the first through hole 8 as an example.

In the first case, the blocking element 27 is locked in the first through hole 8 by a sealing structure so as to seal the first through hole 8.

In the second case, the outer wall of the blocking element 27 is in direct contact with the first through hole 8 so as to seal the first through hole 8.

In the third case, the blocking element 27 is located at a distance from the first through hole 8, the sealing ring 33 is snap-engaged between the second adjacent flange 30 and the adjacent structure 28, and the first through hole 8 communicates with the outside. It is enough to make sure that the air inside the device case will not pass into the first through hole 8.

In the fourth case, the blocking element 27 is located at a distance from the first through hole 8, the upper part of the blocking element 27 is made with the possibility of contact sealing with the front cover 41 through the first adjacent flange 29, and the sealing ring 33 is engaged in a snap-fitting manner between the second adjacent flange 30 and adjacent structure 28. It is sufficient to limit the first through hole 8 between the first adjacent flange 29 and the second adjacent flange 30.

It should be noted that since the second through hole 12 is located below the first through hole 8, there is no third case.

As shown in FIG. 9 and FIG. 12, the outer circumferential surface of the blocking member 27 has a first sliding structure 134, and the inner wall of the ventilation duct 6 has a second sliding structure 135 that cooperates with the first sliding structure 134. The first sliding structure 134 is a bulge and the second sliding structure 135 is a groove. . Or, the first sliding structure 134 is a groove and the second sliding structure 135 is a bulge. With the interaction between the first sliding structure 134 and the second sliding structure 135, the blocking member 27 can move stably, improving the operation stability of the blocking element 27. The first sliding structure 134 extends along the axial direction of the blocking element 27, and there are a plurality of first sliding structures 134 arranged around the circumference of the blocking element. element 27 at a distance from each other.

It should be noted that the first sliding structure 134 may be provided only on the upper cap 31, or the first sliding structure 134 may be provided only on the lower cap 32, or the first sliding structure 134 may be provided on both the upper cap 31 and the lower cap 32.

As shown in FIG. 5 and FIG. 8, the pressure limiting valve assembly 13 has a driving rib 136 extending in the horizontal direction, the baffle shell 17 has a slot 137 for passing the driving rib 136, and the pusher 11 is pressed against the driving rib 136 so as to raise the pressure limiting valve assembly 13 to effect venting. The lower part of the blocking member 27 has a cover plate 138 to seal the slot 137 so as to seal the area in which the pusher 11 is located. The slot 137 communicates with the bore 140.

As shown in FIG. 8, the top of the drive rib 136 has a guiding oblique surface 139 to facilitate the passage of the drive rib 136 into the slot 137 so that the inner cap 3 can be quickly assembled with the cap 1.

As shown in FIG. 10, the lid 1 further comprises a sealing silicone 141 located between the lid body 4 and the reflective shell 17 and located on the vent 6 to prevent air from passing into the area between the lid body 4 and the reflective shell 17 through the vent 6.

Embodiment 2

It differs from Embodiment 1 in that the structure pressed against the blocking member 27 is different.

In this embodiment, the inner cap 3 is provided with a support element. After the insertion of the inner cap 3, the support element abuts the blocking element 27 and lifts the blocking element 27. After the internal cap 3 is installed on the cover 1, the support element extends into the ventilation channel 6 and lifts the blocking element 27. This is similar to the function in the embodiment of the invention 1 and is not described further in this document.

Embodiment 3

It differs from Embodiment 1 in that the position in which the pressure limiting valve assembly 13 is pressed against the blocking member 27 is different.

In this embodiment, the pressure limiting valve assembly 13 further comprises a valve body 37 and a plurality of support legs 38 higher than the valve body 37 and spaced apart around the outer periphery of the valve body 37. Support legs 38 are adjacent to the second connecting elements 35 and push them. The support legs 38 are pressed against the second connecting members 35 so as to prevent the support legs 38 from being detached from the blocking member 27 so that the blocking member 27 is raised stably.

In particular, the distance between the top surface of the support legs 38 and the top surface of the valve body 37 is greater than the distance between the second connecting members 35 and the bottom surface of the bottom cap 32. With this configuration, the valve body 37 has a certain movement space so that the pusher 11 can lift the body 37 valves for ventilation. Obviously, the embodiments of the invention described above are only some, but not all, embodiments of the invention. All other embodiments obtained by a person skilled in the art based on embodiments of the invention without imaginative effort fall within the scope of the invention.

It should be noted that the terms used in this document are only intended to describe specific implementation methods and are not intended to limit exemplary embodiments in accordance with the application. As used herein, unless otherwise specifically noted elsewhere in this document, the singular also includes the plural. In addition, it should be noted that when a term such as "comprise" and/or "include" is used in the present description, this indicates the presence of a feature, step, operation, detail, assembly, and/or combinations thereof.

It should be noted that terms such as "first" and "second" are used to distinguish similar objects and not necessarily to describe a particular order or sequence. It should be understood that the information used in this way is replaceable under appropriate circumstances, so that the embodiments of the invention described herein may be implemented in a different manner than that illustrated or described herein.

The foregoing is merely the preferred embodiments of the invention and does not limit the scope of the invention. The invention may be subject to various modifications and changes by a person skilled in the art. Any modification, equivalent substitution and improvement made within the spirit and principle of the invention shall fall within the scope of the invention.

Claims (28)

1. A device for cooking, characterized in that it contains a cover (1), a device body and an inner cap (3), wherein the cover (1) is located on the device body so as to open and close the device body, the device body contains a heating structure, and the cover (1) contains: body (4) covers; unit (5) for baking, located under the body (4) of the cover, and the body (4) of the cover is provided with a ventilation channel (6), through which the inside of the device for cooking communicates with the outside, the inner cap (3) is removable mounted on the body (4) covers and located under the unit (5) for baking, the side wall of the ventilation channel (6) is provided with a ventilation hole; a blocking element (27) slidable in the ventilation duct (6), wherein the blocking element (27) is slidable down to the bottom of the ventilation duct (6) when the inner cap (3) is detached, and the blocking element (27 ) is configured to block the ventilation hole when the blocking element (27) is located in the upper or lower part of the ventilation channel (6). 2. The device according to claim 1, characterized in that the inner cap (3) is provided with a support element, which is adjacent to the blocking element (27) and lifts the blocking element (27) when the inner cap (3) is installed. 3. Device according to claim 1, characterized in that the inner cap (3) has a pressure limiting valve assembly (13) which extends into the vent (6) and lifts the blocking element (27) when the inner cap (3) is installed. 4. The device according to claim. 3, characterized in that the pressure limiting valve assembly (13) further comprises a valve body (37) and a plurality of support legs (38), which are higher than the valve body (37) and are located at a distance from each other around the outer the periphery of the body (37) of the valve, and the support legs (38) are adjacent to the lower part of the blocking element (27) and push it. 5. The device according to claim 1, characterized in that the vent contains a first through hole (8) located in the upper section of the vent duct (6) and communicating with the baking unit, moreover, the blocking element (27) is configured to pass the first through hole (8) when the blocking element (27) slides down to the bottom of the ventilation channel (6); And the blocking element (27) is configured to block the first through hole (8) when the blocking element (27) rises to the top of the ventilation channel (6). 6. The device according to claim 1 or 5, characterized in that the vent contains a second through hole (12) located in the lower section of the vent duct (6), moreover, the blocking element (27) is configured to block the second through hole (12) when the blocking element (27) slides down to the bottom of the ventilation duct; And the blocking element (27) is configured to pass the second through hole (12) when the blocking element (27) rises to the top of the ventilation duct. 7. The device according to claim 6, characterized in that the cover (1) contains a pusher (11) made with the possibility of moving outward from the second through hole (12). 8. The device according to claim 1, characterized in that the side wall of the ventilation duct (6) is additionally provided with an adjacent structure (28) located in the middle section of the ventilation duct (6), when the blocking element (27) is in the lower or upper part of the ventilation channel, and the upper or lower part of the blocking element (27) interacts respectively with the adjoining structure (28) in a position-limiting manner. 9. The device according to claim 8, characterized in that the adjoining structure (28) has the shape of a ring and is located around the circumference of the ventilation duct (6), and the upper part of the blocking element (27) has a first adjoining flange (29) that interacts with the adjoining structure (28), and the lower part of the blocking element (27) has a second adjacent flange (30), which interacts with the adjacent structure (28). 10. The device according to claim 9, characterized in that the blocking element (27) further comprises a sealing ring (33), moreover, the sealing ring (33) is located on the second adjacent flange (30); and/or an o-ring (33) is located on the first adjacent flange (29). 11. The device according to claim 1, characterized in that the blocking element (27) contains: an upper cup (31), the upper part of which has a first adjacent flange (29) extending outward; a lower cup (32) which is installed under the top cup (31) and the lower part of which has a second adjacent flange (30) extending outward. 12. The device according to claim 11, characterized in that the lower part of the upper cup (31) has a plurality of first connecting elements (34) extending inwardly and located at a distance from each other around the inner wall of the upper cup (31), and the upper part of the lower the cup (32) has second connecting elements (35) that interact with the first connecting elements (34), and the blocking element (27) additionally contains a fastening element connecting the first connecting elements (34) and the second connecting elements (35). 13. The device according to claim. 1, characterized in that the blocking element (27) has a mesh structure (36) located inside the blocking element (27) and located above the vent. 14. The device according to claim 6, characterized in that the body (4) of the cover contains a connecting cylinder (39) and an adjacent cylinder (40), which are located coaxially with the formation of a ventilation channel (6), and the connecting cylinder (39) is located above the adjacent cylinder (40), and the connecting cylinder (39) has a first through hole (8), and the adjacent cylinder (40) has a second through hole (12). 15. Device according to claim 14, characterized in that the inner wall of the adjacent cylinder (40) has an adjacent structure (28) extending towards the center of the adjacent cylinder (40). 16. The device according to claim 1, characterized in that the blocking element (27) additionally contains a sealing ring (33), which is adjacent to the inner wall of the ventilation duct (6) so as to seal the gap between the blocking element (27) and the ventilation duct ( 6). 17. The device according to claim. 1, characterized in that the blocking element (27) contains a second adjacent flange (30), the unit (5) for baking additionally contains a reflective shell (17) located under the body (4) of the lid and having a through hole (140), communicating with the ventilation duct (6), and the area of the through hole (140) is less than the area of the opening of the ventilation duct (6), and the blocking element (27) is located in the ventilation duct (6), and the lower surface of the second adjacent flange (30) is made with the possibility of adjoining the reflective shell (17) and sealing.

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