A magnetically controlled combined valve for an electric pressure cooker

Abstract

The utility model belongs to the technical field of pressure cooker accessories, and particularly relates to a magnetic control combination valve for an electric pressure cooker, comprising a valve seat, a valve body, a valve stem, a valve core and a reed switch, wherein the valve seat is mounted on a pot cover of the electric pressure cooker, the valve body is slidably connected to the valve seat, and a first through hole is provided inside the valve seat, the valve stem is connected to the valve body, and a magnet is sleeved thereon, and a second through hole is provided inside the valve seat, the valve core is slidably mounted in the valve body, and a spring is provided between the valve stem and the valve core, and is used for opening and closing the first through hole, and the reed switch is mounted on a side of the valve seat, and is provided corresponding to the magnet; by combining an exhaust valve and a magnetic block switch into one, by arranging the exhaust valve to be able to be lifted after the pressure in the pot is increased, thereby driving the magnetic block to be lifted, thereby triggering the reed switch, and achieving a magnetic control effect, reducing the number of exhaust valves and magnetic control switches separately provided on the pot cover, reducing the space occupied by the pot cover, avoiding increasing the sealing requirement, and reducing the manufacturing difficulty and cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of pressure cooker accessories, in particular to a magnetically controlled combined valve for an electric pressure cooker. Background Art

[0002] The electric pressure cooker is an upgraded product of the traditional pressure cooker and rice cooker. It combines the advantages of pressure cookers and rice cookers and is an indispensable and efficient cooking tool in the modern kitchen. The lid of the electric pressure cooker is usually equipped with multiple valves, including but not limited to safety valves, exhaust valves and magnetic control switches, which provide important guarantees for the normal operation and safe use of the electric pressure cooker.

[0003] Traditionally, at least three mounting holes are usually provided on the pot cover, and are used to install a safety valve, an exhaust valve and a magnetically controlled switch, etc. For example, Chinese patent application No. (CN201520847650.X) discloses an electric pressure cooker cover and an electric pressure cooker having the same, including a control device and a float assembly, the float assembly including a float shaft, the float shaft is configured to rise under the action of pressure and reset after the pressure is eliminated, wherein a trigger element is provided on the float shaft, and a switch element connected to the control device is also provided on the electric pressure cooker cover, and when the float shaft rises, the trigger element triggers the switch element; the trigger element includes a magnetic element, and the switch element includes a reed switch or a Hall element; the additional provision of the magnetically controlled switch increases the occupied space on the pot cover, increases the requirements for sealing, and increases the manufacturing difficulty and cost, which needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a magnetic control combination valve for an electric pressure cooker in view of the above-mentioned technical problems, so as to combine the exhaust valve and the magnetic control switch into one, reduce the space occupied on the pot cover, and avoid increasing the sealing requirements.

[0005] In view of this, the utility model provides a magnetic control combined valve for an electric pressure cooker, comprising:

[0006] The valve seat is installed on the lid of the electric pressure cooker;

[0007] The valve body is mounted on the valve seat and slidably connected to the valve seat, and has a first through hole formed inside;

[0008] A valve stem is connected to the valve body, is sleeved with a magnet, and has a second through hole formed inside;

[0009] The valve core is slidably mounted in the valve body, a spring is arranged between the valve core and the valve stem, and the valve core is used for opening and closing the first through hole;

[0010] The reed switch is installed on the side of the valve seat and is arranged corresponding to the magnet.

[0011] In the above technical solution, further, it also includes:

[0012] A bracket, mounted on the valve seat and used for mounting the reed switch;

[0013] The bracket includes a connecting portion sleeved on the valve seat and a supporting portion for installing the reed switch.

[0014] In the above technical solution, further:

[0015] An annular groove for mounting a magnet is provided on the valve stem;

[0016] Wherein, a first protrusion for confining the magnet in the annular groove is arranged on the edge of the valve stem located at the annular groove.

[0017] In the above technical solution, further:

[0018] The first protrusion is formed by stamping.

[0019] In the above technical solution, further, it also includes:

[0020] A first sealing ring is sleeved on a surface of the valve body away from the valve stem;

[0021] A second protrusion is arranged on the surface of the valve body;

[0022] Wherein, a first boss is arranged on the inner wall of the first through hole, and the first boss is located between the first sealing ring and the second protrusion.

[0023] In the above technical solution, further:

[0024] A first exhaust gap is formed between the inner surface of the first boss and the surface of the valve body, and a second exhaust gap is formed between the second protrusion and the inner wall of the first through hole.

[0025] In the above technical solution, further:

[0026] A second boss is arranged on the inner wall of the first through hole, and a third exhaust gap is formed between the valve core surface and the inner side surface of the second boss;

[0027] The surface of the valve core is provided with an annular protrusion for confining the valve core within the first through hole, and a fourth exhaust gap is left between the outer surface of the annular protrusion and the inner wall of the first through hole.

[0028] In the above technical solution, further, it also includes:

[0029] A second sealing ring, a first annular groove for mounting the second sealing ring is provided on a side of the valve seat close to the pot cover of the electric pressure cooker;

[0030] A third sealing ring, a second annular groove for mounting the third sealing ring is provided on one side of the valve body close to the valve stem;

[0031] The fourth sealing ring is sleeved on the surface of the valve core and is located between the annular protrusion and the second boss.

[0032] The beneficial effects of the utility model are:

[0033] 1. By combining the exhaust valve and the magnetic switch into one, and setting the exhaust valve to be able to lift up when the pressure in the pot increases, thereby driving the magnetic block to lift up, thereby triggering the reed switch, achieving a magnetic control effect, reducing the need to set the exhaust valve and the magnetic control switch separately on the pot cover, reducing the space occupied by the pot cover, avoiding increasing the sealing requirements, and reducing the manufacturing difficulty and cost.

[0034] 2. Install the reed switch by setting up a bracket to ensure that the distance between the magnet and the reed switch is stable and accurate to ensure the magnetic control effect.

[0035] 3. Through the cooperation of the first exhaust gap and the second exhaust gap, the cold air in the pot can be exhausted, the cooking efficiency is improved, the heating time of the heating element is avoided to be prolonged, the damage caused by overheating is prevented, and the service life is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of the utility model;

[0037] Figure 2 It is a top view of the utility model;

[0038] Figure 3 This utility model Figure 2 Sectional view at AA in the middle;

[0039] Figure 4 This is a schematic diagram of the structure in which the cross section of the annular groove in Example 3 of the utility model is L-shaped;

[0040] Figure 5 This is a schematic diagram of the structure in which the cross section of the annular groove in Embodiment 3 of the present utility model is a rectangular shape;

[0041] The markings in the figure are as follows: 1. valve seat; 2. pot cover; 3. valve body; 4. first through hole; 5. valve stem; 6. magnet; 7. second through hole; 8. valve core; 9. spring; 10. reed switch; 11. bracket; 110. connecting part; 111. supporting part; 12. annular groove; 13. first protrusion; 14. first sealing ring; 15. second protrusion; 16. first boss; 17. first exhaust gap; 18. second exhaust gap; 19. second boss; 20. third exhaust gap; 21. annular protrusion; 22. fourth exhaust gap; 23. second sealing ring; 24. first annular groove; 25. third sealing ring; 26. second annular groove; 27. fourth sealing ring. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0043] Embodiment 1:

[0044] This embodiment provides a magnetically controlled combined valve for an electric pressure cooker, comprising:

[0045] The valve seat 1 is installed on the pot cover 2 of the electric pressure cooker;

[0046] The valve body 3 is mounted on the valve seat 1 and is slidably connected to the valve seat 1, and has a first through hole 4 formed inside.

[0047] The valve stem 5 is connected to the valve body 3, and is sleeved with a magnet 6, and has a second through hole 7 formed inside;

[0048] The valve core 8 is slidably mounted in the valve body 3, and a spring 9 is arranged between the valve core and the valve stem 5, and is used for opening and closing the first through hole 4;

[0049] The reed switch 10 is installed on the side of the valve seat 1 and is arranged corresponding to the magnet 6;

[0050] Among them, the specific structure of the reed switch 10 is an existing mature technology and will not be described here.

[0051] It can be seen from this embodiment that by combining the exhaust valve and the magnetic switch into one, the exhaust valve is set to be able to lift up when the pressure in the pot is increased, thereby driving the magnetic block to lift up, thereby triggering the reed switch 10;

[0052] Specifically, when there is no pressure in the pot, the valve body 3 and the valve stem 5 are in a low position, and the magnet 6 will not trigger the reed switch 10. When there is pressure in the pot, the valve body 3 and the valve stem 5 are pushed to a high position, causing the magnet 6 to trigger the reed switch 10.

[0053] The magnetic control effect is achieved, the exhaust valve and the magnetic control switch are reduced to be respectively arranged on the pot cover 2, the space occupied by the pot cover 2 is reduced, the requirement for increasing the sealing is avoided, and the manufacturing difficulty and cost are reduced.

[0054] Embodiment 2:

[0055] This embodiment provides a magnetically controlled combination valve for an electric pressure cooker, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including:

[0056] A bracket 11 is mounted on the valve seat 1 and is used for mounting the reed switch 10;

[0057] The bracket 11 includes a connecting portion 110 sleeved on the valve seat 1 and a supporting portion 111 for mounting the reed switch 10;

[0058] At the same time, the valve seat 1 and the pot cover 2 are stamped and riveted, and the bracket 11 is pre-mounted on the surface of the valve seat 1 to fix the valve seat 1 and the pot cover 2 when they are connected, and an integrated structure can be adopted between the connecting part 110 and the supporting part 111.

[0059] It can be seen from this embodiment that the bracket 11 is provided to install the reed switch 10, so as to ensure that the distance between the magnet 6 and the reed switch 10 is stable and accurate, thereby ensuring the magnetic control effect.

[0060] Embodiment 3:

[0061] This embodiment provides a magnetically controlled combination valve for an electric pressure cooker, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0062] The valve stem 5 is provided with an annular groove 12 for mounting the magnet 6;

[0063] The valve stem 5 is provided with a first protrusion 13 at the edge of the annular groove 12 for confining the magnet 6 in the annular groove 12;

[0064] Meanwhile, the cross section of the annular groove 12 can be a U-shaped groove, a V-shaped groove, a rectangular groove (such as Figure 5 ) and radial L-shaped grooves (such as Figure 4 ) etc., that is, the magnet 6 can be sleeved on the surface of the valve stem 5 and fixed.

[0065] It can be seen from this embodiment that the annular groove 12 is provided on the valve stem 5 to facilitate the installation of the magnet 6, and the provision of the first protrusion 13 can ensure the installation stability of the magnet 6, prevent the magnet 6 from falling off, and extend the service life;

[0066] Furthermore, the U-shaped groove, the V-shaped groove, and the rectangular groove are fixed in the same manner using the first protrusion 13 .

[0067] Embodiment 4:

[0068] This embodiment provides a magnetically controlled combination valve for an electric pressure cooker, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0069] The first protrusion 13 is formed by punching.

[0070] It can be seen from this embodiment that by forming the first protrusion 13 by stamping, the convenience of installing and fixing the magnet 6 is improved and the manufacturing difficulty is reduced;

[0071] Specifically, when the annular groove 12 is opened in an axial form such as a U-shaped groove, a V-shaped groove, a rectangular groove, etc., the annular groove 12 can be bent along the side radially away from the axis toward the side of the axis. When the annular groove 12 is opened in a radial form such as an L-shaped groove, the L-shaped groove can be extended along the axial side toward the side away from the axis.

[0072] Embodiment 5:

[0073] This embodiment provides a magnetically controlled combination valve for an electric pressure cooker, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including:

[0074] A first sealing ring 14 is sleeved on a surface of the valve body 3 away from the valve stem 5;

[0075] A second protrusion 15 is provided on the surface of the valve body 3;

[0076] A first boss 16 is disposed on the inner wall of the first through hole 4, and the first boss 16 is located between the first sealing ring 14 and the second protrusion 15;

[0077] Meanwhile, the second protrusion 15 and the valve body 3 are formed in an integrated structure, while the first boss 16 and the valve seat 1 are formed in an integrated structure.

[0078] It can be seen from this embodiment that the second protrusion 15 and the first boss 16 are provided to limit the lowest position of the valve body 3, and then the first sealing ring 14 is sleeved on the valve body 3 to limit the highest position of the valve body 3, so as to control the range of the lifting and lowering of the valve body 3 and ensure the triggering and resetting of the reed switch 10;

[0079] In addition, the first sealing ring 14 is arranged below the first boss 16, so that when the valve body 3 is increased due to the pressure in the pot, it can press against the valve seat 1 to ensure the sealing effect and the cooking effect.

[0080] Embodiment 6:

[0081] This embodiment provides a magnetically controlled combination valve for an electric pressure cooker, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0082] A first exhaust gap 17 is formed between the inner surface of the first boss 16 and the surface of the valve body 3 , and a second exhaust gap 18 is formed between the second protrusion 15 and the inner wall of the first through hole 4 .

[0083] It can be seen from this embodiment that the cooperation of the first exhaust gap 17 and the second exhaust gap 18 can exhaust cold air from the pot, thereby improving cooking efficiency, avoiding extending the heating time of the heating element, preventing damage due to overheating, and extending the service life.

[0084] Embodiment 7:

[0085] This embodiment provides a magnetically controlled combination valve for an electric pressure cooker, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0086] A second boss 19 is provided on the inner wall of the first through hole 4, and a third exhaust gap 20 is formed between the surface of the valve core 8 and the inner surface of the second boss 19;

[0087] The surface of the valve core 8 is provided with an annular protrusion 21 for confining the valve core 8 in the first through hole 4, and a fourth exhaust gap 22 is left between the outer surface of the annular protrusion 21 and the inner wall of the first through hole 4;

[0088] At the same time, the second boss 19 and the valve body 3 are of an integrated structure, while the annular protrusion 21 and the valve core 8 are of an integrated structure.

[0089] It can be seen from this embodiment that the valve core 8 can be restricted in the valve body 3 by the second boss 19 and the annular protrusion 21, so as to prevent the valve core 8 from being pushed out of the valve body 3 under the action of the spring 9;

[0090] The third exhaust gap 20 and the fourth exhaust gap 22 enable the spring 9 to be compressed when the pressure in the pot increases, thereby exhausting the air and maintaining the pressure in the pot, thereby ensuring the cooking effect and cooking safety.

[0091] Embodiment 8:

[0092] This embodiment provides a magnetically controlled combination valve for an electric pressure cooker, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including:

[0093] A second sealing ring 23, a first annular groove 24 for mounting the second sealing ring 23 is provided on one side of the valve seat 1 close to the pot cover 2 of the electric pressure cooker;

[0094] A third sealing ring 25, a second annular groove 26 for mounting the third sealing ring 25 is provided on one side of the valve body 3 close to the valve stem 5;

[0095] The fourth sealing ring 27 is sleeved on the surface of the valve core 8 and is located between the annular protrusion 21 and the second boss 19 .

[0096] It can be seen from this embodiment that the second sealing ring 23, the third sealing ring 25 and the fourth sealing ring 27 are arranged to facilitate sealing of the pressure in the pot during the increasing process, thereby improving the heating efficiency, ensuring the performance of the electric pressure cooker, and improving the cooking efficiency.

[0097] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A magnetically controlled combination valve for an electric pressure cooker, characterized in that: include: A valve seat (1) is mounted on a pot cover (2) of the electric pressure cooker; A valve body (3) is mounted on the valve seat (1) and is slidably connected to the valve seat (1), and is provided with a first through hole (4) inside; A valve stem (5) is connected to the valve body (3), is sleeved with a magnet (6), and has a second through hole (7) formed inside; A valve core (8) is slidably mounted in the valve body (3), a spring (9) is arranged between the valve core and the valve stem (5), and the valve core (8) is used for opening and closing the first through hole (4); The reed switch (10) is installed on the side of the valve seat (1) and is arranged corresponding to the magnet (6).

2. The magnetically controlled combined valve for an electric pressure cooker according to claim 1, characterized in that: Also includes: A bracket (11) is mounted on the valve seat (1) and is used for mounting the reed switch (10); The bracket (11) comprises a connecting portion (110) sleeved on the valve seat (1) and a supporting portion (111) for mounting the reed switch (10).

3. The magnetically controlled combined valve for an electric pressure cooker according to claim 2, characterized in that: The valve stem (5) is provided with an annular groove (12) for mounting the magnet (6); Wherein, the valve stem (5) is provided with a first protrusion (13) at the edge of the annular groove (12) for confining the magnet (6) in the annular groove (12).

4. The magnetically controlled combined valve for an electric pressure cooker according to claim 3, characterized in that: The first protrusion (13) is formed by stamping.

5. The magnetically controlled combined valve for an electric pressure cooker according to claim 1, characterized in that: Also includes: A first sealing ring (14) is sleeved on a surface of the valve body (3) at an end away from the valve stem (5); A second protrusion (15) is provided on the surface of the valve body (3); Wherein, a first boss (16) is arranged on the inner wall of the first through hole (4), and the first boss (16) is located between the first sealing ring (14) and the second protrusion (15).

6. The magnetically controlled combined valve for an electric pressure cooker according to claim 5, characterized in that: A first exhaust gap (17) is formed between the inner surface of the first boss (16) and the surface of the valve body (3), and a second exhaust gap (18) is formed between the second protrusion (15) and the inner wall of the first through hole (4).

7. The magnetically controlled combined valve for an electric pressure cooker according to claim 1, characterized in that: A second boss (19) is provided on the inner wall of the first through hole (4), and a third exhaust gap (20) is formed between the surface of the valve core (8) and the inner surface of the second boss (19); The surface of the valve core (8) is provided with an annular protrusion (21) for confining the valve core (8) within the first through hole (4), and a fourth exhaust gap (22) is left between the outer surface of the annular protrusion (21) and the inner wall of the first through hole (4).

8. The magnetically controlled combined valve for an electric pressure cooker according to claim 7, characterized in that: Also includes: A second sealing ring (23), wherein a first annular groove (24) for mounting the second sealing ring (23) is provided on a side of the valve seat (1) close to the pot cover (2) of the electric pressure cooker; A third sealing ring (25), wherein a second annular groove (26) for mounting the third sealing ring (25) is provided on a side of the valve body (3) close to the valve stem (5); The fourth sealing ring (27) is sleeved on the surface of the valve core (8) and is located between the annular protrusion (21) and the second boss (19).

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