CN219042668U

CN219042668U - Detachable upper cover and cooking utensil

Info

Publication number: CN219042668U
Application number: CN202222810277.3U
Authority: CN
Inventors: 陈宏程; 赵良裕
Original assignee: Zhongshan Oulaike Electric Appliance Co ltd
Current assignee: Zhongshan Oulaike Electric Appliance Co ltd
Priority date: 2022-10-22
Filing date: 2022-10-22
Publication date: 2023-05-19
Anticipated expiration: 2032-10-22

Abstract

The utility model provides a can dismantle upper cover, includes the enclosing cover, and can dismantle the inner cup of connection on the enclosing cover, is equipped with the inlet port on the inner cup, is equipped with the exhaust hole on the enclosing cover, is equipped with gas-liquid separator between inner cup and the enclosing cover, gas-liquid separator and inlet port and exhaust hole intercommunication, and the enclosing cover is equipped with the mount pad that extends to the inner cup direction, and the inner cup passes through the block structure and installs on the mount pad. According to the utility model, through the cooperation of the clamping structure, the outer cover and the inner cover can be assembled quickly and stably, the gas-liquid separator is arranged between the inner cover and the outer cover, steam bubbles can be broken and separated through the gas-liquid separator, high-temperature water is reserved between the inner cover and the outer cover and cannot be sprayed out of the outer cover, steam after breaking bubbles can be discharged through the exhaust of the outer cover, steam water can be prevented from overflowing to the outer cover, potential safety hazards are reduced, meanwhile, the upper cover which is detachably connected is convenient to clean the foam breaking assembly, bacteria breeding of the upper cover is avoided, and the sanitation and health of a user during use are ensured.

Description

Detachable upper cover and cooking utensil

Technical Field

The utility model relates to the technical field of cooking appliances, in particular to a detachable upper cover and a cooking appliance.

Background

In recent years, along with the continuous improvement of living standard, the cooking appliance is widely applied to the life of people, so that no small convenience is brought to the people, a large amount of steam is generated when liquid is heated in the process of cooking food, for example, the surface tension of rice soup is small, the surface contraction force of the liquid is small, stable foam is easily generated, organic matters in the food can be dissolved or dispersed in the water when the food is stewed, the surface tension of the liquid is reduced, dense stable foam is generated under continuous stewing, the cooking speed can be accelerated by using the upper cover on the cooking appliance, and the upper cover is generally provided with an exhaust hole for exhausting steam, so that a micropressure environment is formed inside the cooking appliance, and the cooked food has good taste. The inner cover arranged on the upper cover can furthest ensure that the turned rice soup can only roll in the range of the inner cover, and steam can only enter the bubble breaker through the air inlet arranged on the inner cover and then be discharged from the air outlet.

Because the existing upper cover and inner cover are inconvenient to detach, a great deal of time and energy can be wasted when the bubble breaker is cleaned, and if the bubble breaker is not thoroughly cleaned, bacteria in the cooking utensil can be bred after long-term use, so that the health of a user is endangered. The utility model discloses a pot cover and digester with broken bubble structure as disclosed in chinese patent publication No. CN 208259584U, it utilizes the fixed axle that sets up on the knob of upper cover and the inner cup, in order to realize the equipment of upper cover and inner cup, specifically, be connected through the external screw thread cooperation of internal thread on the knob with the fixed axle, this kind of mode is rather inconvenient on dismantling upper cover and inner cup, also be unfavorable for wasing its exhaust transition zone, and utilize threaded connection to loosen easily and have the potential safety hazard, therefore the structure of current upper cover needs further improvement, in order to improve the speed and the stability of upper cover and inner cup assembly, conveniently wash broken bubble ware.

Disclosure of Invention

Aiming at the technical problems that the disassembly and cleaning of the upper cover and the inner cover of the pot cover on the prior market are inconvenient, the utility model solves the technical problems by adopting the technical proposal that:

the utility model provides a can dismantle upper cover, is in including enclosing cover and detachable connection the inner cup on the outer cover, be equipped with the inlet port in the inner cup, be equipped with the exhaust hole in the outer cover, the inner cup with be equipped with gas-liquid separator between the enclosing cover, gas-liquid separator with the inlet port with the exhaust hole intercommunication, the outer cover be equipped with to the mount pad that the inner cup direction extends, the inner cup passes through the block structure and installs on the mount pad.

In order to improve the gas-liquid separation effect of the gas-liquid separator, the mounting table is provided with a mounting cavity, the inner cover is provided with a water accumulation groove, and the gas-liquid separator comprises a grid arranged in the mounting cavity and respectively communicated with the air inlet hole and the air outlet hole, and a one-way valve positioned on the water accumulation groove and close to the grid.

In order to improve the gas-liquid separation effect of the gas-liquid separator, the grating is provided with a grating air inlet communicated with the air inlet, a grating air outlet communicated with the air outlet, a grating cavity respectively communicated with the grating air inlet and the grating air outlet, and a grating baffle plate.

In order to improve the gas-liquid separation effect of the check valve, the check valve comprises a check valve clamping part positioned close to one side of the outer cover, a sealing part positioned far away from one side of the outer cover, and a check valve connecting part positioned between the check valve clamping part and the sealing part, wherein the check valve connecting part can move relative to the water accumulation groove.

In order to improve the connection convenience of enclosing cover and inner cup, the block structure is including setting up the connection recess on the mount table, and be located on the inner cup and with connection recess complex block portion.

In order to improve the connection convenience of enclosing cover and inner cup, the block structure is including setting up the connection recess on the inner cup, and be located on the mount table and with connection recess complex block portion.

In order to improve the connection convenience of enclosing cover and inner cup, the connection recess is including setting up the mount table periphery side just can supply dodge the recess that the block portion passed through, and with dodge the bearing groove of recess intercommunication.

In order to enable the interior of the cooking utensil to form a micro-pressure environment, an inner cover through hole communicated with the connecting groove is formed in the inner cover, and an opening communicated with the connecting groove is formed in the inner periphery side of the mounting table.

In order to improve the sealing performance between the upper cover and the pot liner, a sealing ring is arranged between the mounting table and the outer peripheral side of the outer cover, and a bearing part for bearing the sealing ring is arranged on the outer peripheral side of the inner cover.

A cooking appliance comprising a removable upper cover as described above.

The beneficial effects of the utility model are as follows:

according to the utility model, through the cooperation of the clamping structure, the outer cover and the inner cover can be assembled quickly and stably, the gas-liquid separator is arranged between the inner cover and the outer cover, steam bubbles can be broken and separated through the gas-liquid separator, high-temperature water is reserved between the inner cover and the outer cover and cannot be sprayed outside the outer cover, steam after breaking bubbles can be discharged through the exhaust of the outer cover, steam water can be prevented from overflowing to the outer cover, potential safety hazards are reduced, meanwhile, the upper cover which is detachably connected is convenient for cleaning the gas-liquid separator, bacteria breeding of the upper cover is avoided, and the health and health of users in use are ensured.

Drawings

Fig. 1 is an exploded view of a removable upper cover of the present utility model.

Fig. 2 is a schematic view of a detachable top cover according to the present utility model.

Fig. 3 is a schematic view of an inner cap of a removable upper cap according to the present utility model.

FIG. 4 is a schematic view of an outer cover and a grille with a removable top cover according to the present utility model.

Fig. 5 is a schematic view of a removable cover grille according to the present utility model.

Fig. 6 is a schematic view of a removable upper cover check valve according to the present utility model.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

The utility model provides a can dismantle upper cover as shown in fig. 1 and 2, is in including enclosing cover 2 and dismantling the inner cup 1 of connecting on the enclosing cover 2, be equipped with inlet port 11 on the inner cup 1, be equipped with exhaust hole 21 on the enclosing cover 2, be equipped with gas-liquid separator 3 between the enclosing cover 1 with gas-liquid separator 3 with inlet port 11 with exhaust hole 21 intercommunication, the enclosing cover 2 is equipped with to the mount table 5 that inner cup 1 direction extends, the inner cup 1 passes through the block structure and installs on the mount table 5. According to the utility model, through the cooperation of the clamping structure, the outer cover and the inner cover can be assembled quickly and stably, the gas-liquid separator is arranged between the inner cover and the outer cover, steam bubbles can be broken and separated through the gas-liquid separator, high-temperature water is reserved between the inner cover and the outer cover and cannot be sprayed outside the outer cover, steam after breaking bubbles can be discharged through the exhaust of the outer cover, steam water can be prevented from overflowing to the outer cover, potential safety hazards are reduced, meanwhile, the upper cover which is detachably connected is convenient for cleaning the gas-liquid separator, bacteria breeding of the upper cover is avoided, and the health and health of users in use are ensured.

As shown in fig. 1, 4 and 5, a detachable upper cover is provided with a mounting cavity 51 on the mounting table 5, a water accumulation groove 12 is provided on the inner cover 1, and the gas-liquid separator 3 includes a grille 31 disposed in the mounting cavity 51 and respectively communicated with the air inlet 11 and the air outlet 21, and a one-way valve 32 disposed on the water accumulation groove 12 and close to the grille 31. When cooking, because the grid is installed in the installation cavity, can keep stable and can not shift, the check valve sets up on the ponding groove of inner cup and can keep its stability not to loosen, because grid and inlet port and exhaust hole intercommunication, steam bubble can enter into the grid at first in to the exhaust hole orientation remove through the inlet port, the check valve has blockked a part steam bubble, make its travel speed slow down, through the cooperation of check valve and grid, make the stroke that steam bubble flowed through lengthen, the speed of excessive has been slowed down, the moisture in the bubble of rupture can flow back to cooking utensil from ponding groove again, steam can remove to the exhaust hole discharge from in the grid.

Further, the grid is detachably arranged in the mounting cavity, so that the grid can be conveniently cleaned.

As a detachable upper cover shown in fig. 1, 4 and 5, the grill 31 is provided with a grill inlet 311 communicating with the air intake hole 11, a grill outlet 312 communicating with the air discharge hole 21, a grill cavity 314 communicating with the grill inlet 311 and the grill outlet 312, respectively, and a grill baffle 313. Specifically, the check valve sets up towards the grid chamber direction, because grid air inlet and inlet port intercommunication, grid gas vent and exhaust hole intercommunication, steam bubble can enter into the grid air inlet at first through the inlet port and enter into the grid chamber in, the check valve has blockked a part steam bubble, make its travel speed slow down, the grid baffle will break down the water that splashes in the bubble on the one hand, on the other hand through blockking the excessive of partly breaking bubble, make it continue to move towards grid gas vent direction along the grid chamber, through the cooperation of check valve and grid baffle, make the stroke that steam bubble flowed through lengthen, slow down the speed of excessive, the moisture in the bubble that breaks down can flow back to cooking utensil again from the ponding groove, steam can remove to the exhaust hole from the grid gas vent and discharge.

As shown in fig. 1, 3 and 6, the check valve 32 includes a check valve engaging portion 321 located on a side close to the outer cap 2, a sealing portion 322 located on a side far from the outer cap 2, and a check valve connecting portion 323 located between the check valve engaging portion 321 and the sealing portion 322, and the check valve connecting portion 323 is movable relative to the water accumulation tank 12. Specifically, in order to make the check valve connecting portion better can reciprocate relative to the ponding groove, the length of check valve connecting portion is greater than the thickness of ponding groove, adopt such design, when the steam bubble rises upwards, steam bubble contacts the check valve on the inner cover at first, the sealing portion of keeping away from enclosing cover one side receives the thrust of steam bubble to the one side that is close to the enclosing cover to remove, sealing portion promotes check valve connecting portion and upwards moves simultaneously, and drive check valve block portion to the one side that is close to the enclosing cover to along when the steam bubble enters the grid through the inlet port, because the check valve is towards the grid direction, the check valve block portion further sets up the position that flows through at the steam bubble and more fully contacts with the steam bubble, stop the speed that the steam bubble overflowed. When the amount of steam bubbles generated during cooking food is reduced, the thrust of the steam bubbles is smaller than the gravity of the one-way valve, the one-way valve moves downwards to reset, and moisture generated by the steam bubbles breaking can flow back into the cooking utensil from the water accumulation groove.

Further, the sealing part is located in the water accumulation tank and is far away from one side of the outer cover, the check valve clamping part is located in the water accumulation tank and is close to one side of the outer cover, the check valve connecting part is arranged on the water accumulation tank, at the moment, the diameter of the sealing part is larger than the outer diameter of the water accumulation tank, when the steam bubble rises upwards, the steam bubble firstly contacts with the sealing part, the sealing part far away from one side of the outer cover moves towards one side close to the outer cover under the thrust of the steam bubble, and the sealing part can be covered on the water accumulation tank, so that the steam bubble cannot enter the grille from the water accumulation tank.

Meanwhile, the diameter of the check valve clamping part is larger than the inner diameter of the water accumulation groove, and the check valve clamping part can be clamped on the upper side of the water accumulation groove to prevent the check valve clamping part from loosening, on the other hand, the diameter of the check valve clamping part is smaller than the outer diameter of the water accumulation groove, the thrust of steam bubble is smaller than the gravity of the check valve, the check valve moves downwards to reset, so that the check valve clamping part is propped against the water accumulation groove, and moisture generated by steam bubble breakage can flow back into a cooking utensil from a gap between the check valve clamping part and the water accumulation groove.

Further, in order to enable the check valve to move relative to the water accumulation groove better, the check valve can be made of a silica gel material with light weight.

The engaging structure as shown in fig. 1, 3 and 4 includes a connecting groove 6 provided on the mounting base 5, and an engaging portion 7 provided on the inner lid 1 and engaged with the connecting groove 6. By adopting the design, the assembly stability and convenience of the inner cover and the outer cover can be improved, and the clamping structure can avoid potential safety hazards caused by the fact that the outer cover and the inner cover are loosened and dropped.

Furthermore, the utility model is provided with a plurality of connecting grooves and a plurality of matched clamping parts, so that the stability of connection is improved.

Further, the engaging structure includes a connection groove 6 provided on the inner lid 1, and an engaging portion 7 provided on the mounting table 5 and engaged with the connection groove 6. By adopting the design, compared with the prior art through threaded connection, the assembly stability and convenience of the inner cover and the outer cover can be improved.

As shown in fig. 1 and 4, the connection groove 6 includes a recess 61 provided on the outer peripheral side of the mounting base 5 and through which the engaging portion 7 passes, and a support groove 62 communicating with the recess 61. By adopting the design, when the inner cover and the outer cover are assembled, the clamping part on the inner cover is firstly close to the avoidance groove and moves towards the direction of the bearing groove, when the inner cover rotates by a certain angle, the clamping part is clamped on the bearing groove, the inner cover and the outer cover are installed, when the inner cover and the outer cover are disassembled, the inner cover is rotated in the opposite direction of rotation during installation, the clamping part is separated from the bearing groove and moves to the avoidance groove, the clamping part is separated from the avoidance groove, and the inner cover and the outer cover are disassembled.

As shown in fig. 1, 3 and 4, the inner cap 1 is provided with an inner cap through hole 14 communicating with the connecting groove 6, and the inner peripheral side of the mounting table 5 is provided with an opening 63 communicating with the connecting groove 6. Because the steam bubble can cover the whole inner cover when rising upwards, because the inner cover utilizes the cooperation of the connecting groove and the clamping part when being connected with the outer cover, the inner cover is provided with the inner cover through hole communicated with the connecting groove, through setting the opening communicated with the connecting groove, the steam bubble enters into one side of the connecting groove from the inner cover through hole, and the entering steam bubble flows back into the cooking utensil from the opening of the other side of the connecting groove.

As shown in fig. 1 and 3, a detachable upper cover is provided, a sealing ring 8 is provided between the mounting table 5 and the outer peripheral side of the outer cover 2, and a supporting portion 13 for supporting the sealing ring 8 is provided on the outer peripheral side of the inner cover 1. By adopting the design, the sealing ring can improve the sealing performance between the upper cover and the cooking kitchen ware, steam bubbles are prevented from overflowing from the side surface of the outer cover to the outside of the cooking kitchen ware, and the bearing part for bearing the sealing ring is arranged on the outer periphery side of the inner cover, so that the tightness of connection between the sealing ring and the outer periphery side of the outer cover after installation can be ensured.

Further, as shown in fig. 1 and 2, a detachable upper cover is provided on the outer cover 2 with a transparent glass 22. When a user cooks, the user can intuitively see the change of food through the transparent glass on the outer cover to take appropriate measures, and the cooking experience of the user can be improved.

Further, as shown in fig. 1 and 2, a detachable upper cover is provided on the outer cover 2, and a handle 23 is provided on the handle 23, and a containing groove 231 is provided on the handle 23. By adopting the design, the lifting handle can facilitate the user to lift the upper cover for cooking operation, and the holding groove matched with the shape of the tableware and the kitchen ware is adopted, so that the user can conveniently place a meal spoon, a soup spoon and the like, and the use experience of the user is improved.

A cooking appliance comprising a removable upper cover as described above. Specifically, the detachable upper cover can be used for cooking cookware such as an electric cooker and an electric saucepan, a large amount of steam can be generated when the liquid is heated in the process of cooking food, for example, the surface tension of rice soup is small, the surface contraction force of the liquid is small, stable foam is easy to generate, when the food is stewed, organic matters in the food can be dissolved or dispersed in the water, the surface tension of the liquid is reduced, dense and stable foam is generated under continuous stewing.

Embodiments of the present utility model are as follows:

the cover 2 is provided with a plurality of connecting grooves 6, the cover 1 is provided with a plurality of clamping parts 7 matched with the connecting grooves 6, the sealing ring 8 is sleeved on the outer periphery side of the cover 2 at first, when the cover 1 and the cover 2 are assembled, the clamping parts 7 on the cover 1 are firstly close to the avoiding grooves 61 and move towards the bearing grooves 62, and when the cover 1 rotates for a certain angle, the clamping parts 7 are clamped on the bearing grooves 62, and the cover 1 and the cover 2 are assembled.

Because the length of the check valve connecting portion 323 is greater than the thickness of the water accumulation groove 12, the diameter of the sealing portion 322 is greater than the outer diameter of the water accumulation groove 12, the diameter of the check valve clamping portion 321 is greater than the inner diameter of the water accumulation groove 12, the diameter of the check valve clamping portion 321 is smaller than the outer diameter of the water accumulation groove 12, and the check valve 32 is made of a silica gel material with light weight. During cooking, when the steam bubbles rise upwards, the steam bubbles firstly contact the check valve 32 on the inner cover 1, the sealing part 322 on the side far away from the outer cover 2 moves towards the side close to the outer cover 2 under the thrust of the steam bubbles, the sealing part 322 can be covered on the water accumulation groove 12, so that the steam bubbles cannot enter the grille 31 from the water accumulation groove 12, the sealing part 322 pushes the check valve connecting part 323 to move upwards at the same time, and drives the check valve clamping part 321 to move towards the side close to the outer cover 2.

Because the grille inlet 311 is communicated with the air inlet 11, the grille outlet 312 is communicated with the air outlet 21, steam bubbles can firstly enter the grille inlet 311 through the air inlet 11 and enter the grille cavity 314, the check valve 32 faces the grille 31, the check valve clamping part 321 is further arranged at the position where the steam bubbles flow in and is fully contacted with the steam bubbles, the steam bubbles are contacted with the check valve clamping part 321 arranged towards the grille cavity 314, the check valve clamping part 321 slows down the overflowing speed of the steam bubbles by blocking the steam bubbles, the grille baffle 313 keeps off the water splashed in the ruptured bubbles, and the water is enabled to move along the grille cavity 314 towards the grille outlet 312, and the travel of the steam bubbles is prolonged by the cooperation of the check valve 32 and the grille baffle 313, so that the overflowing speed is slowed down.

Because the steam bubble can cover whole inner cup 1 when rising upwards, owing to utilize the cooperation of coupling groove 6 and block portion 7 when inner cup 1 and enclosing cover 2 are connected, be equipped with on the inner cup 1 with coupling groove 6 intercommunication's inner cup through-hole 14, the inner periphery side of installation department 5 is through setting up the opening 63 with coupling groove 6 intercommunication, steam bubble enters into in one side of coupling groove 6 from inner cup through-hole 14, the steam bubble of entering flows back in the cooking utensil from the opening 63 of coupling groove 6 opposite side again, owing to have a plurality of openings 63 and inner cup through-hole 14 with coupling groove 6 intercommunication, can improve the gas mobility in the cooking utensil, make the cooking utensil inside form the micropressure environment.

Sealing washer 8 can improve the leakproofness between upper cover and the culinary art kitchen utensils and appliances, avoids steam bubble to spill over to the culinary art kitchen utensils and appliances outside from the side of enclosing cover 2, through being equipped with the supporting portion 14 of bearing sealing washer 8 in the periphery side of inner cup 1, can guarantee the compactness of being connected between the periphery side of sealing washer 8 and enclosing cover 2 after the installation.

When the thrust of the steam bubble is smaller than the gravity of the check valve 32, the check valve 32 moves downwards to reset, so that the check valve clamping part 321 is propped against the water accumulation groove 12, the water generated by the steam bubble breakage can flow back into the cooking utensil again from the gap between the check valve clamping part 321 and the water accumulation groove 12, and the steam can move to the exhaust hole 21 from the grid exhaust port 312 to be discharged.

During the cooking process, the change of food can be intuitively seen through the transparent glass 22 on the outer cover 2 to take appropriate measures, so that the cooking experience of a user can be improved. The handle 23 can make things convenient for the user to mention the upper cover and cook the operation, adopts with tableware, kitchen utensils and appliances shape complex hold groove 231, can make things convenient for the user to place meal spoon, soup ladle etc. improves user's use experience.

When the inner cap 1 and the outer cap 2 are detached, the inner cap 1 is rotated in the opposite direction of the rotation during the installation, the clamping part 7 is separated from the bearing groove 62 and moves onto the avoidance groove 61, the avoidance groove 61 is separated from the clamping part 7, and the inner cap 1 and the outer cap 2 are detached.

At this time, the sealing ring 8 can be disassembled, and the inner cover 1, the outer cover 2, the sealing ring 8 and the grille 31 are cleaned for the next use.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims

1. The utility model provides a can dismantle upper cover, includes enclosing cover (2), and can dismantle inner cup (1) of connecting on enclosing cover (2), its characterized in that: be equipped with inlet port (11) on inner cup (1), be equipped with exhaust hole (21) on outer cup (2), inner cup (1) with be equipped with gas-liquid separator (3) between outer cup (2), gas-liquid separator (3) with inlet port (11) with exhaust hole (21) intercommunication, outer cup (2) be equipped with to mount table (5) that inner cup (1) direction extends, inner cup (1) are installed through the block structure on mount table (5).

2. A removable cover as set forth in claim 1 wherein: the mounting table (5) is provided with a mounting cavity (51), the inner cover (1) is provided with a water accumulation groove (12), and the gas-liquid separator (3) comprises a grid (31) which is arranged in the mounting cavity (51) and is respectively communicated with the air inlet hole (11) and the air outlet hole (21), and a one-way valve (32) which is arranged on the water accumulation groove (12) and is close to the grid (31).

3. A removable cover as set forth in claim 2 wherein: the grille (31) is provided with a grille inlet (311) communicated with the air inlet hole (11), a grille outlet (312) communicated with the air outlet hole (21), a grille cavity (314) respectively communicated with the grille inlet (311) and the grille outlet (312), and a grille baffle (313).

4. A removable cover as set forth in claim 2 wherein: the check valve (32) comprises a check valve clamping part (321) positioned close to one side of the outer cover (2), a sealing part (322) positioned far away from one side of the outer cover (2), and a check valve connecting part (323) positioned between the check valve clamping part (321) and the sealing part (322), wherein the check valve connecting part (323) can move relative to the water accumulation groove (12).

5. A removable cover as set forth in claim 1 wherein: the clamping structure comprises a connecting groove (6) arranged on the mounting table (5) and a clamping part (7) which is positioned on the inner cover (1) and matched with the connecting groove (6).

6. A removable cover as set forth in claim 1 wherein: the clamping structure comprises a connecting groove (6) arranged on the inner cover (1), and a clamping part (7) which is positioned on the mounting table (5) and matched with the connecting groove (6).

7. A removable cover as set forth in claim 5 wherein: the connecting groove (6) comprises an avoidance groove (61) which is arranged on the outer circumferential side of the mounting table (5) and can be used for the clamping part (7) to pass through, and a bearing groove (62) which is communicated with the avoidance groove (61).

8. A removable cover as set forth in claim 5 wherein: the inner cover (1) is provided with an inner cover through hole (14) communicated with the connecting groove (6), and the inner periphery side of the mounting table (5) is provided with an opening (63) communicated with the connecting groove (6).

9. A removable cover as set forth in claim 1 wherein: a sealing ring (8) is arranged between the mounting table (5) and the outer peripheral side of the outer cover (2), and a bearing part (13) for bearing the sealing ring (8) is arranged on the outer peripheral side of the inner cover (1).

10. A cooking appliance, characterized in that: a removable upper cover comprising the device of claims 1-9.