Exhaust device suitable for electric pressure cooker

Abstract

The utility model relates to the technical field of pressure cookers, and discloses an exhaust device suitable for an electric pressure cooker, which is provided with a cooker cover, a valve seat is arranged at the upper end of the cooker cover, a valve core penetrating through the cooker cover is arranged in the valve seat, a gravity component is arranged above the valve core, an exhaust cavity is arranged in the gravity component, and a valve rod corresponding to the valve core is arranged in the exhaust cavity. A connecting ring is arranged at the upper end of the edge of the valve seat, the outer side of the connecting ring is in threaded connection with a heat insulation cover, supporting ribs used for supporting the gravity assembly are arranged on the two sides of the inner wall of the heat insulation cover, and the faces, making contact with the gravity assembly, of the supporting ribs are inclined faces. A plurality of exhaust holes are formed in the connecting ring and are communicated with the exhaust cavity; the exhaust device can quickly complete exhaust, a user does not need to stay beside the electric pressure cooker for a long time, the user can leave to wait for air pressure reduction and cooling in the cooker only by rotating the heat shield, and the scalding risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure cookers, in particular to an exhaust device suitable for electric pressure cookers. Background Art

[0002] When an electric pressure cooker is in use, the gas discharge in the pot usually requires a pressure limiting valve, and when the lid is opened, the gas pressure in the pot needs to be lowered before it can be opened. In existing exhaust valve structures, press-type exhaust is mostly used. This exhaust structure usually uses the principle of a lever. The user needs to hold down the button to open the exhaust valve to exhaust the gas. Moreover, it takes a certain amount of time for a normal electric pressure cooker to exhaust and reduce the pressure. The user needs to keep pressing the button, which causes great inconvenience to the user's operation. In addition, the user is at risk of being scalded if he presses for a long time next to the electric pressure cooker. Utility Model Content

[0003] In order to overcome the defects in the prior art, the utility model provides an exhaust device suitable for an electric pressure cooker to solve the problems in the prior art.

[0004] The utility model adopts the following technical scheme to solve the technical problem: an exhaust device suitable for an electric pressure cooker, comprising a pot cover, a valve seat being installed at the upper end of the pot cover, a valve core penetrating the pot cover being arranged in the valve seat, a gravity assembly being arranged above the valve core, an exhaust cavity being arranged in the gravity assembly, a valve stem corresponding to the valve core being arranged in the exhaust cavity, the gravity assembly being limitedly engaged with the valve core, the gravity assembly being guide-connected with the valve seat, a connecting ring being arranged at the upper end of the edge of the valve seat, a heat insulation cover being threadedly connected to the outer side of the connecting ring, supporting ribs for supporting the gravity assembly being arranged on both sides of the inner wall of the heat insulation cover, a side of the supporting rib in contact with the gravity assembly being an inclined surface, a plurality of exhaust holes being arranged on the connecting ring, and the exhaust holes being communicated with the exhaust cavity.

[0005] In the above-mentioned exhaust device suitable for an electric pressure cooker, the valve seat is fixedly mounted on the upper end of the cooker cover, a guide column is also provided on the upper end of the valve seat, and the gravity component is plugged into the guide column.

[0006] In the above-mentioned exhaust device suitable for an electric pressure cooker, the gravity assembly includes a gravity cover, a gravity block is provided at the lower end of the gravity cover, the exhaust chamber is opened in the gravity block, the upper end of the valve stem is fixed to the inner upper end of the gravity cover, the upper end of the exhaust chamber is provided with a connecting hole opened at the upper end of the gravity cover, the inner wall of the exhaust chamber is provided with a clamping block, the upper outer wall of the valve core is provided with an annular groove, and the clamping block is located in the annular groove.

[0007] In the above-mentioned exhaust device suitable for an electric pressure cooker, the gravity cover protrudes outward relative to the outer wall of the gravity block, and the lower end of the edge of the gravity cover contacts the upper surface of the supporting rib.

[0008] In the above-mentioned exhaust device suitable for an electric pressure cooker, a steam chamber is provided in the heat insulation cover, the gravity assembly is located in the steam chamber, the exhaust hole is connected to the steam chamber, and the connecting hole is connected to the steam chamber.

[0009] In the above-mentioned exhaust device suitable for an electric pressure cooker, the width of the annular groove is greater than the width of the block.

[0010] In the above-mentioned exhaust device suitable for an electric pressure cooker, an anti-blocking cover is installed at the lower end of the pot cover, a channel is penetrated in the valve core, and the lower end of the valve core is located in the anti-blocking cover.

[0011] In the above-mentioned exhaust device suitable for an electric pressure cooker, a handle is installed on the upper end of the heat insulation cover.

[0012] The beneficial effect of the utility model lies in that the gravity component is supported by the support ribs with inclined surfaces. During normal cooking, after the pressure in the pot increases, steam enters the valve core and pushes open the valve stem, allowing the steam to be discharged from the exhaust hole. After the pressure in the pot drops to a certain value, the gravity component drives the valve stem to press down and block the valve core again, preventing the pressure in the pot from continuing to drop, thereby completing the pressure limiting effect. Before opening the pot lid, the heat insulation cover can be rotated to rotate the support ribs, thereby lifting the gravity component and lifting the valve stem upward relative to the valve core, so that the air pressure in the pot is discharged from the valve core and the exhaust hole, thereby quickly completing the exhaust and preventing an explosion when the pot lid is opened due to excessive pressure in the pot. The user does not need to stay next to the electric pressure cooker for a long time, and can leave after rotating the heat insulation cover and waiting for the air pressure in the pot to drop and cool down, thereby reducing the risk of scalding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the exhaust device of the utility model.

[0014] Figure 2 It is a side structural schematic diagram of the exhaust device of the utility model.

[0015] Figure 3 for Figure 2 A partial enlarged view of .

[0016] In the figure: pot cover 1, valve seat 2, connecting ring 3, exhaust hole 4, heat insulation cover 5, handle 6, anti-blocking cover 7, valve core 8, valve stem 9, steam chamber 10, channel 11, annular groove 12, gravity cover 13, connecting hole 14, gravity block 15, exhaust chamber 16, block 17, support rib 18, guide column 19. DETAILED DESCRIPTION

[0017] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0018] Combination Figures 1 to 3 The exhaust device shown is suitable for an electric pressure cooker, which comprises a pot cover 1, a valve seat 2 is installed on the upper end of the pot cover 1, a valve core 8 is arranged in the valve seat 2 and passes through the pot cover 1, a gravity component is arranged above the valve core 8, an exhaust cavity 16 is arranged in the gravity component, a valve stem 9 corresponding to the valve core 8 is arranged in the exhaust cavity 16, the gravity component and the valve core 8 are limitedly engaged, the gravity component and the valve seat 2 are guidely connected, a connecting ring 3 is arranged on the upper end of the edge of the valve seat 2, a heat insulation cover 5 is threadedly connected to the outer side of the connecting ring 3, support ribs 18 for supporting the gravity component are arranged on both sides of the inner wall of the heat insulation cover 5, the support ribs 18 contacting with the gravity component are inclined surfaces, a plurality of exhaust holes 4 are arranged on the connecting ring 3, and the exhaust holes 4 are connected to the exhaust cavity 16; in this embodiment, the weight is supported by the support ribs 18 with inclined surfaces. The force component, during normal cooking, after the pressure in the pot increases, steam enters the valve core 8 and pushes open the valve stem 9, allowing the steam to be discharged from the exhaust hole 4. After the pressure in the pot drops to a certain value, the gravity component drives the valve stem 9 to press down and block the valve core 8 again to prevent the pressure in the pot from continuing to drop, thereby completing the pressure limiting effect; before opening the pot lid 1, the heat insulation cover 5 can be rotated to rotate the support rib 18, so that the gravity component is lifted, and the valve stem 9 is lifted upward relative to the valve core 8, so that the air pressure in the pot is discharged from the valve core 8 and the exhaust hole 4, thereby quickly completing the exhaust and preventing an explosion when the pot lid 1 is opened due to excessive pressure in the pot. The user does not need to stay next to the electric pressure cooker for a long time. He only needs to rotate the heat insulation cover 5 and leave to wait for the air pressure in the pot to drop and cool down, thereby reducing the risk of scalding.

[0019] The valve seat 2 of this embodiment is fixedly mounted on the upper end of the pot cover 1. A guide column 19 is also provided on the upper end of the valve seat 2, and the gravity component is plugged into the guide column 19; this allows the gravity component to be better lifted or lowered during the pressure limiting process to prevent position deviation, and the overall structure is more compact.

[0020] The gravity assembly of this embodiment includes a gravity cover 13, a gravity block 15 is provided at the lower end of the gravity cover 13, an exhaust chamber 16 is opened in the gravity block 15, the upper end of the valve stem 9 is fixed to the inner upper end of the gravity cover 13, and the upper end of the exhaust chamber 16 is provided with a connecting hole 14 opened at the upper end of the gravity cover 13, and the inner wall of the exhaust chamber 16 is provided with a clamping block 17, and the upper outer wall of the valve core 8 is provided with an annular groove 12, and the clamping block 17 is located in the annular groove 12; the gravity block 15 can press the valve stem 9 on the valve core 8 under gravity to facilitate pressure limiting, and under the action of the annular groove 12, the entire gravity block 15 has a limiting effect during the lifting or lowering process to prevent the valve stem 9 from opening too much, and the lower end of the gravity block 15 is sleeved on the guide column 19, so that the gravity block 15 is more stable when lifting or lowering.

[0021] It should be noted that the groove width of the annular groove 12 is greater than the width of the clamping block 17 , so that the lifting and lowering strokes of the gravity block 15 can be determined according to the groove width of the annular groove 12 .

[0022] The gravity cover 13 of this embodiment protrudes outward relative to the outer wall of the gravity block 15, and the lower end of the edge of the gravity cover 13 contacts the upper surface of the support rib 18; therefore, when the heat insulation cover 5 is rotated, the height of the gravity cover 13 support can be changed, thereby actively changing the height of the valve stem 9 to facilitate the completion of the active exhaust action. During the implementation process, the threaded portion of the connection between the connecting ring 3 and the heat insulation cover 5 is limited to the required number of turns. The maximum number of thread turns when the heat insulation cover 5 is rotated and lifted upward can ensure that the highest point of the upper surface of the support rib 18 is still in contact with the lower end of the edge of the gravity cover 13 to prevent separation. Similarly, the maximum number of thread turns when the heat insulation cover 5 is rotated and lowered can also ensure that the lowest point of the upper surface of the support rib 18 is still in contact with the lower end of the edge of the gravity cover 13.

[0023] Specifically, the heat insulation cover 5 of this embodiment has a steam chamber 10, the gravity component is located in the steam chamber 10, the exhaust hole 4 is connected to the steam chamber 10, and the connecting hole 14 is connected to the steam chamber 10; thus, the steam can first enter the steam chamber 10 and then be discharged from the exhaust hole 4, so as to buffer the steam when it is discharged to prevent the steam from being pressurized and sprayed out, causing burns to the user.

[0024] It is worth noting that an anti-blocking cover 7 is installed at the lower end of the pot cover 1 of this embodiment, a channel 11 is penetrated by the valve core 8, and the lower end of the valve core 8 is located in the anti-blocking cover 7. The anti-blocking cover 7 can prevent the soup or solid objects in the pot from entering the valve core 8.

[0025] A handle 6 is installed at the upper end of the heat insulation cover 5 of this embodiment, and the heat insulation cover 5 can be rotated by the handle 6 to further prevent burns.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. An exhaust device suitable for an electric pressure cooker, comprising a cooker cover (1), characterized in that: A valve seat (2) is mounted on the upper end of the pot cover (1), a valve core (8) penetrating the pot cover (1) is arranged in the valve seat (2), a gravity assembly is arranged above the valve core (8), an exhaust cavity (16) is arranged in the gravity assembly, a valve stem (9) corresponding to the valve core (8) is arranged in the exhaust cavity (16), the gravity assembly is position-limitingly engaged with the valve core (8), the gravity assembly is guide-connected with the valve seat (2), a connecting ring (3) is arranged on the upper end of the edge of the valve seat (2), a heat insulation cover (5) is threadedly connected to the outer side of the connecting ring (3), support ribs (18) for supporting the gravity assembly are arranged on both sides of the inner wall of the heat insulation cover (5), a side of the support rib (18) in contact with the gravity assembly is an inclined surface, a plurality of exhaust holes (4) are arranged on the connecting ring (3), and the exhaust holes (4) are connected to the exhaust cavity (16).

2. The exhaust device for an electric pressure cooker according to claim 1, characterized in that: The valve seat (2) is fixedly mounted on the upper end of the pot cover (1); a guide column (19) is also provided on the upper end of the valve seat (2); and the gravity component is plugged into the guide column (19).

3. The exhaust device for an electric pressure cooker according to claim 2, characterized in that: The gravity assembly comprises a gravity cover (13), a gravity block (15) is arranged at the lower end of the gravity cover (13), the exhaust chamber (16) is opened in the gravity block (15), the upper end of the valve stem (9) is fixed to the inner upper end of the gravity cover (13), the upper end of the exhaust chamber (16) is provided with a connecting hole (14) opened at the upper end of the gravity cover (13), the inner wall of the exhaust chamber (16) is provided with a clamping block (17), and the upper outer wall of the valve core (8) is provided with an annular groove (12), and the clamping block (17) is located in the annular groove (12).

4. The exhaust device for an electric pressure cooker according to claim 3, characterized in that: The gravity cover (13) protrudes outward relative to the outer wall of the gravity block (15), and the lower end of the edge of the gravity cover (13) contacts the upper surface of the support rib (18).

5. The exhaust device for an electric pressure cooker according to claim 3, characterized in that: The heat insulation cover (5) has a steam chamber (10) therein, the gravity assembly is located in the steam chamber (10), the exhaust hole (4) is connected to the steam chamber (10), and the communication hole (14) is connected to the steam chamber (10).

6. The exhaust device for an electric pressure cooker according to claim 3, characterized in that: The groove width of the annular groove (12) is greater than the width of the clamping block (17).

7. The exhaust device for an electric pressure cooker according to claim 3, characterized in that: An anti-blocking cover (7) is installed at the lower end of the pot cover (1), a channel (11) is provided through the valve core (8), and the lower end of the valve core (8) is located inside the anti-blocking cover (7).

8. The exhaust device for an electric pressure cooker according to claim 1, characterized in that: A handle (6) is installed at the upper end of the heat insulation cover (5).

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