CN107136911B - Pressure adjusting structure and pressure cooker with same - Google Patents
Pressure adjusting structure and pressure cooker with same Download PDFInfo
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- CN107136911B CN107136911B CN201610243016.4A CN201610243016A CN107136911B CN 107136911 B CN107136911 B CN 107136911B CN 201610243016 A CN201610243016 A CN 201610243016A CN 107136911 B CN107136911 B CN 107136911B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
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- Food Science & Technology (AREA)
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Abstract
The invention provides a pressure adjusting structure which comprises a valve seat, an exhaust pipe and a magnetic valve body, wherein the lower end of the exhaust pipe penetrates through the valve seat, the magnetic valve body is sleeved on the upper port of the exhaust pipe, a magnetic cushion block is arranged between the valve seat and the magnetic valve body, and the magnetic cushion block is connected with the valve seat through a magnetic cushion block adjusting structure for adjusting the upper position and the lower position of the magnetic cushion block. When the pressure limiting value of the pressure limiting valve needs to be adjusted, the upper position and the lower position of the magnetic cushion block are adjusted through the magnetic cushion block adjusting structure, so that the distance between the magnetic cushion block and the magnetic valve body is changed, when the distance is changed, the magnetic field force between the magnetic cushion block and the magnetic valve body is also changed, the pressure limiting value of the pressure limiting valve is the self weight of the magnetic valve body and the magnetic field force between the magnetic valve body and the magnetic valve body, the adjustment of the pressure limiting value of the pressure limiting valve is realized, and the food cooking effect of the pressure cooker is improved; meanwhile, elastic components such as springs and the like are not needed in the adjusting structure, so that the adjusting structure is few in components, simple in structure, convenient to assemble and high in reliability.
Description
Technical Field
The invention relates to the technical field of pressure cookers, in particular to a pressure adjusting structure and a pressure cooker with the same.
Background
The pressure cooker has strong cooking automation performance, short cooking time and obvious energy-saving effect of boiling-free cooking, and develops rapidly in the last decade; the pressure cooker has the characteristics of high cooking temperature, single cooking temperature, automatic cooking control, no boiling during cooking, no overflow of cooking fluid food and the like. In order to maintain the characteristics of the pressure cooker, the pressure limiting valve used for quickly opening the cover of the pressure cooker, exhausting and releasing pressure and important safety guarantee is a gravity pressure limiting valve, a spring pressure limiting valve or a magnetic pressure limiting valve with a single pressure limiting value for ten years. However, different foods require different cooking pressures, for example, cooking meat and tendon foods requires higher cooking pressure, while cooking porridge, radish and the like does not require higher cooking pressure, but the cooking pressure cannot be adjusted according to the needs of the foods due to the characteristics of the limited pressure valve.
Disclosure of Invention
The invention provides a pressure regulating structure and a pressure cooker with the same, and aims to solve the technical problem that the pressure limiting value of a pressure limiting valve in the conventional pressure cooker cannot be regulated.
In order to solve the technical problem, the invention provides a pressure adjusting structure which comprises a valve seat, an exhaust pipe and a magnetic valve body, wherein the lower end of the exhaust pipe penetrates through the valve seat, the magnetic valve body is sleeved on the upper port of the exhaust pipe, a magnetic cushion block is arranged between the valve seat and the magnetic valve body, and the magnetic cushion block is connected with the valve seat through a magnetic cushion block adjusting structure for adjusting the upper position and the lower position of the magnetic cushion block.
The beneficial effects of the invention are: because the magnetic cushion block is arranged between the valve seat and the magnetic valve body, the magnetic cushion block is connected with the valve seat through the magnetic cushion block adjusting structure; when the pressure limiting value of the pressure limiting valve needs to be adjusted, the upper position and the lower position of the magnetic cushion block are adjusted through the magnetic cushion block adjusting structure, so that the distance between the magnetic cushion block and the magnetic valve body is changed, when the distance is changed, the magnetic field force between the magnetic cushion block and the magnetic valve body is also changed, the pressure limiting value of the pressure limiting valve is the self weight of the magnetic valve body and the magnetic field force between the magnetic valve body and the magnetic valve body, the adjustment of the pressure limiting value of the pressure limiting valve is realized, and the food cooking effect of the pressure cooker is improved; meanwhile, elastic components such as springs and the like are not needed in the adjusting structure, so that the adjusting structure is few in components, simple in structure, convenient to assemble and high in reliability.
Furthermore, the magnetic cushion block adjusting structure comprises a limiting structure arranged on the valve seat and an extending end arranged at the outer edge of the magnetic cushion block, wherein the limiting structure and the extending end are mutually matched and used for adjusting the upper position and the lower position of the magnetic cushion block when the magnetic cushion block rotates in the valve seat.
The beneficial effect of adopting the further scheme is that: the magnetic cushion block adjusting structure is used for adjusting the upper position and the lower position of the magnetic cushion block when the magnetic cushion block rotates in the valve seat through the mutual matching action of a limiting structure for limiting the upward movement of the magnetic cushion block and the extending end; when the magnetic cushion block is not adjusted, the magnetic cushion block can not move upwards under the action of magnetic field force between the magnetic cushion block and the magnetic valve body, so that the change of a pressure limiting value is avoided; during adjustment, when the magnetic cushion block rotates by taking the shaft of the valve seat as an axis, the magnetic cushion block moves up and down to change the pressure limiting value of the pressure limiting valve; the pressure adjusting structure of the invention does not adopt an elastic component to realize the up-and-down movement of the magnetic cushion block, and has simple structure.
Furthermore, the limiting structure is a limiting through hole arranged on the side wall of the valve seat, the extending end penetrates through the limiting through hole, and the upper surface of the extending end is in contact with the upper wall surface of the limiting through hole;
or the limiting structure is a limiting boss arranged on the side wall of the valve seat, and the upper surface of the extending end is in contact with the lower surface of the limiting boss.
The beneficial effect of adopting the further scheme is that: when the extension end on the outer edge of the magnetic cushion block is in contact with the upper wall surface of the limiting through hole and rotates and moves, the purpose of adjusting the distance between the magnetic cushion block and the magnetic valve body is achieved, and therefore multi-section pressure control of different foods with different pressure limiting values is achieved.
When the extending end on the outer edge of the magnetic cushion block moves on the lower surface of the limiting boss of the valve seat, the purpose of adjusting the distance between the magnetic cushion block and the magnetic valve body is also realized, so that the multi-section pressure control of different foods with different pressure limiting values is realized.
The magnetic cushion block adjusting structure is free of elastic parts, so that the problem that the adjusting performance is poor due to the elastic attenuation of the elastic parts in a long-term high-temperature and high-humidity environment is avoided, the reliability of the magnetic cushion block adjusting structure is improved, and the service life of a product is prolonged.
Further, the upper wall surface of the limiting through hole and the lower surface of the limiting boss are projected in the circumferential direction of the valve seat to form an upward inclined curve section or a broken line section.
The beneficial effect of adopting the further scheme is that: when the surfaces of the limiting through holes and the bosses, which are contacted with the extending ends, are in curved sections, the adjusting state of the magnetic cushion block is consistent with the curved bending state; when the broken lines are broken lines, each broken line can be set as a voltage limiting value, so that the voltage limiting value multi-gear setting is realized, and the use is very convenient for users.
Further, a bottom boss is arranged on the bottom surface of the valve seat, a magnetic cushion block boss is arranged on the lower surface of the magnetic cushion block, and the upper surface of the bottom boss is in rotary contact with the lower surface of the magnetic cushion block boss.
The beneficial effect of adopting the further scheme is that: the magnetic cushion block is driven to move up and down by the surface rotary contact of the bottom surface boss and the magnetic cushion block boss, so that the stability and the reliability of the rotation of the magnetic cushion block are improved.
Further, the number of the bottom surface bosses is at least two, and the at least two bottom surface bosses are in central symmetry with the axis of the exhaust pipe.
The beneficial effect of adopting the further scheme is that: the plurality of bottom surface boss structures are arranged in a centrosymmetric mode with the axis of the exhaust pipe, and the moving stability and reliability of the magnetic cushion block are guaranteed.
Furthermore, the number of the limiting through holes is at least two, and the at least two limiting through holes are in central symmetry with the axis of the valve seat;
or, the number of the limiting bosses is at least two, and the at least two limiting bosses are centrosymmetric with the axis of the valve seat.
The beneficial effect of adopting the further scheme is that: the plurality of limiting through holes are in central symmetry with the axis of the valve seat, so that the reliability of adjustment is improved, and a user can conveniently adjust the magnetic cushion block from different positions;
the plurality of limiting bosses are in central symmetry with the axis of the valve seat, so that the reliability of adjustment is improved, and meanwhile, a user can conveniently adjust the magnetic cushion blocks from different positions.
Furthermore, an adjusting handle is arranged on the magnetic cushion block and used for driving the magnetic cushion block to rotate around the axis of the valve body.
The beneficial effect of adopting the further scheme is that: the extension end is provided with an adjusting handle, so that the adjusting handle is convenient for a user to use when adjusting.
Further, the extending end penetrates through the limiting through hole and is upwards formed into an adjusting handle.
The beneficial effect of adopting the further scheme is that: the extension end extends upwards to directly form a handle structure, so that the handle structure is convenient to manufacture.
Further, the magnetic cushion block is a permanent magnet or a ferromagnet.
The beneficial effect of adopting the above further scheme is: the magnetic cushion block of the permanent magnet or the ferromagnetic body can realize the generation of magnetic field force between the magnetic cushion block and the magnetic valve body.
The invention also provides a pressure cooker which comprises a pressure cooker main body, wherein an inner cooker is arranged in the pressure cooker main body, an upper cover for sealing the inner cooker is arranged on the pressure cooker main body, the pressure cooker also comprises the pressure regulating structure, a through hole is formed in the upper cover, and an exhaust pipe in the pressure regulating structure is arranged on the upper cover through the through hole.
The pressure cooker of the invention has the advantages that: because the pressure regulating structure is arranged on the upper cover of the pressure cooker, when the pressure limiting value of the pressure limiting valve needs to be regulated, the distance between the magnetic cushion block and the magnetic valve body is regulated through the upper and lower position regulating structure of the magnetic cushion block, when the distance is changed, the magnetic field force between the magnetic cushion block and the magnetic valve body is also changed, and the pressure limiting value of the pressure limiting valve is the self weight of the magnetic valve body and the magnetic field force between the magnetic valve body and the magnetic valve body, so that the regulation of the pressure limiting value of the pressure limiting valve is realized, and the food cooking effect of the pressure cooker is improved; the pressure adjusting structure does not comprise an elastic part, so that the problem that the adjusting performance is poor due to the elastic attenuation of the elastic part in a long-term high-temperature and high-humidity environment is avoided, and the reliability and the service life of a product are improved; elastic parts such as springs are not needed in the adjusting structure, so that the adjusting structure has the advantages of fewer parts, simple structure, convenience in assembly and higher reliability.
Drawings
FIG. 1 is a sectional view showing a first embodiment of a pressure regulating structure according to the present invention,
figure 2 is a perspective view of a valve seat in a first embodiment of the pressure regulating structure of the present invention,
FIG. 3 is a perspective view of a magnetic spacer in a first embodiment of the pressure regulating structure of the present invention,
FIG. 4 is a sectional view showing a structure of a pressure regulating structure according to a second embodiment of the present invention,
FIG. 5 is a perspective view of a valve seat in a second embodiment of the pressure regulating structure of the present invention,
FIG. 6 is a perspective view of a magnetic spacer in a second embodiment of the pressure adjustment structure of the present invention,
figure 7 is a cross-sectional view of a third first adjustment position of an embodiment of the pressure regulating structure of the present invention,
figure 8 is a sectional view in elevation of a third adjustment position of the embodiment of the pressure regulating structure of the present invention,
figure 9 is a sectional view in elevation of a third adjustment position of an embodiment of the pressure regulating structure of the present invention,
figure 10 is a cross-sectional view of a fourth first adjustment position of an embodiment of the pressure regulating structure of the present invention,
figure 11 is a sectional view showing a fourth adjustment position of the pressure regulating structure according to the embodiment of the present invention,
figure 12 is a sectional view in elevation of a fourth adjustment position of an embodiment of the pressure regulating structure of the present invention,
figure 13 is a cross-sectional view of a fifth first adjustment position of an embodiment of the pressure regulating structure of the present invention,
figure 14 is a cross-sectional view of a fifth second adjustment position of an embodiment of the pressure regulating structure of the present invention,
figure 15 is a perspective view of a valve seat in a fifth embodiment of the pressure regulating structure of the present invention,
fig. 16 is a perspective view of a magnetic spacer in a fifth embodiment of the pressure adjustment structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
01. valve seat, 011, limit through hole, 012, bottom boss, 013, limit boss, 02, exhaust pipe, 03, magnetic valve body, 04, magnetic cushion block, 041, extension end, 042, magnetic cushion block boss, 043, adjusting handle, 05 and upper cover
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
The structure diagram of the first embodiment of the pressure regulating structure of the invention is shown in fig. 1 to 3, and comprises a valve seat 01, an exhaust pipe 02 and a magnetic valve body 03, wherein the lower end of the exhaust pipe 02 penetrates through the valve seat 01, the magnetic valve body 03 is sleeved on the upper port of the exhaust pipe 02, a magnetic cushion block 04 is arranged between the valve seat 01 and the magnetic valve body 03, and the magnetic cushion block 04 is connected with the valve seat 01 through a magnetic cushion block regulating structure for regulating the upper and lower positions of the magnetic cushion block; the magnetic cushion block adjusting structure comprises a limiting structure arranged on the valve seat 01 and an extending end 041 arranged at the outer edge of the magnetic cushion block 04, and the limiting structure and the extending end 041 are mutually matched and act for adjusting the upper position and the lower position of the magnetic cushion block 04 when the magnetic cushion block 04 rotates in the valve seat 01; the limiting structure is a limiting through hole 011 arranged on the side wall of the valve seat 01, the projection of the upper wall surface of the limiting through hole 011 in the circumferential direction of the valve seat 01 is an upwardly inclined broken line segment, the extension end 041 penetrates through the limiting through hole 011, the upper surface of the extension end 041 is in contact with the upper wall surface of the limiting through hole 011, and the extension end 041 penetrates through the limiting through hole 011 to be upwardly formed into an adjusting handle 043; the upper cover 05 is provided with a through hole, and the exhaust pipe 02 in the pressure adjusting structure is arranged on the upper cover 05 through the through hole.
When the extension end on the outer edge of the magnetic cushion block moves on the upper wall surface of the limiting through hole, the purpose of adjusting the distance between the magnetic cushion block and the magnetic valve body is realized, so that multi-section pressure control of different foods with different pressure limiting values is realized; the magnetic cushion block adjusting structure is not provided with an elastic piece, so that the problem that the adjusting performance is poor due to elastic attenuation of the elastic piece in a long-term high-temperature and high-humidity environment is avoided, the reliability of the magnetic cushion block adjusting structure is improved, and the service life of a product is prolonged; meanwhile, elastic components such as springs and the like are not needed in the adjusting structure, so that the adjusting structure is few in components, simple in structure, convenient to assemble and high in reliability.
The projection of the upper wall surface of the limiting through hole in the circumferential direction of the valve seat is an upwardly inclined broken line segment, each broken line can be set to be a first-gear limiting value, multi-gear setting of the limiting values is achieved, and the valve seat is very convenient to use by a user.
Referring to fig. 4 to 6, compared with the first embodiment, the second embodiment of the pressure adjustment structure of the present invention has the difference that a bottom boss 012 is disposed on the bottom surface of the valve seat 01, a magnetic cushion boss 042 is disposed on the lower surface of the magnetic cushion block 04, and the upper surface of the bottom boss 012 is in rotational contact with the lower surface of the magnetic cushion block boss 042; three bottom surface bosses 012 are provided, and the three bottom surface bosses 012 are centered on the axis of the exhaust pipe 02.
The magnetic cushion block is driven to move up and down by the surface rotary contact of the bottom boss and the magnetic cushion block boss, so that the stability and the reliability of the rotation of the magnetic cushion block are improved.
In this embodiment, the magnetic cushion block is ferromagnetic, and in a specific embodiment, the magnetic cushion block can be a permanent magnet.
Referring to fig. 7 to 9, compared with the first embodiment, the third embodiment of the pressure adjustment structure of the present invention has a sectional structure view, in which an adjustment handle 043 is cylindrical and is sleeved on an extension end 041, and the upper surface of a bottom boss 012 is provided with a multi-step structure; the magnetic cushion block boss 042 is in contact with one step in the multi-step structure in the axial direction; a magnetic cushion block boss 042 of the valve seat guide sloping table is arranged between two adjacent bosses in the multi-step structure, and the magnetic cushion block guide sloping table is matched with the valve seat guide sloping table.
In fig. 7, the distance between the magnetic cushion block and the magnetic valve body is larger, and the magnetic field force between the magnetic cushion block and the magnetic valve body is smaller, so that the pressure limiting value of the pressure limiting valve is smaller.
In fig. 8, the distance between the magnetic cushion block and the magnetic valve body is located at the middle position, and the magnetic field force between the magnetic cushion block and the magnetic valve body is moderate, so that the pressure limiting value of the pressure limiting valve is the middle value.
In fig. 9, the distance between the magnetic cushion block and the magnetic valve body is smaller, and the magnetic field force between the magnetic cushion block and the magnetic valve body is larger, so that the pressure limiting value of the pressure limiting valve is larger.
The valve seat guide inclined table is arranged between two adjacent bosses in the multi-step structure, so that the magnetic cushion block can move between two adjacent adjusting positions very easily, and the whole adjusting process is very smooth. Through the matching of the valve seat guide sloping platform and the magnetic cushion block guide sloping platform, the reliability and the stability of the adjustment of the magnetic cushion block are further improved.
Referring to fig. 10 to 12, a cross-sectional structure view of a fourth embodiment of the pressure adjustment structure of the present invention is different from the second embodiment in that an adjustment handle 043 is not provided on the extension end 041.
In fig. 10, the distance between the magnetic cushion block and the magnetic valve body is relatively large, and the magnetic field force between the magnetic cushion block and the magnetic valve body is relatively small, so that the pressure limiting value of the pressure limiting valve is relatively small.
In fig. 11, the distance between the magnetic cushion block and the magnetic valve body is located at the middle position, and the magnetic field force between the magnetic cushion block and the magnetic valve body is moderate, so that the pressure limiting value of the pressure limiting valve is the middle value.
In fig. 12, the distance between the magnetic cushion block and the magnetic valve body is smaller, and the magnetic field force between the magnetic cushion block and the magnetic valve body is larger, so that the pressure limiting value of the pressure limiting valve is larger.
A fifth cross-sectional structure view of a pressure adjustment structure embodiment of the present invention is shown in fig. 13 to 16, which is different from the first embodiment in that the limiting structure is a limiting boss 013 disposed on the side wall of the valve seat 01, the upper surface of the extension end 041 is in contact with the lower surface of the limiting boss 013, and the projection of the lower surface of the limiting boss 013 on the circumferential direction of the valve seat 01 is an upwardly inclined broken line segment; three limiting bosses 013 are in central symmetry around the axis of the valve seat 01; an adjustment handle 043 is provided on the extension end 041, and the adjustment handle 043 is located inside the valve seat 01.
In a specific embodiment, at least two limiting through holes 011 or limiting bosses 013 are provided, and the plurality of limiting through holes 011 and the plurality of limiting bosses 013 are centrosymmetric about the axis of the valve seat 01.
The plurality of limiting through holes and the limiting bosses are centrosymmetric with the axis of the valve seat, so that a user can conveniently adjust the magnetic cushion blocks from different positions.
The embodiment of the invention also provides a pressure cooker which comprises a pressure cooker main body, wherein an inner cooker is arranged in the pressure cooker main body, an upper cover 05 for sealing the inner cooker is arranged on the pressure cooker main body, the pressure cooker also comprises the pressure regulating structure, the upper cover 05 is provided with a through hole, and an exhaust pipe 02 in the pressure regulating structure is arranged on the upper cover through the through hole.
Because the pressure regulating structure is arranged on the upper cover of the pressure cooker, when the pressure limiting value of the pressure limiting valve needs to be regulated, the distance between the magnetic cushion block and the magnetic valve body is regulated through the upper and lower position regulating structure of the magnetic cushion block, when the distance is changed, the magnetic field force between the magnetic cushion block and the magnetic valve body is also changed, and the pressure limiting value of the pressure limiting valve is the self weight of the magnetic valve body and the magnetic field force between the magnetic valve body and the magnetic valve body, so that the regulation of the pressure limiting value of the pressure limiting valve is realized, and the food cooking effect of the pressure cooker is improved; elastic parts such as springs are not needed in the adjusting structure, so that the adjusting structure has the advantages of fewer parts, simple structure, convenience in assembly and higher reliability.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The pressure regulating structure and the pressure cooker having the same of the present invention are described in detail above, and the principle and the embodiment of the present invention are explained by applying specific examples herein. The above description of the embodiments is only intended to facilitate the understanding of the core ideas of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A pressure adjusting structure comprises a valve seat, an exhaust pipe and a magnetic valve body, wherein the lower end of the exhaust pipe penetrates through the valve seat, and the magnetic valve body is sleeved on an upper port of the exhaust pipe;
the magnetic cushion block adjusting structure comprises a limiting structure arranged on the valve seat and an extending end arranged at the outer edge of the magnetic cushion block, and the limiting structure and the extending end are mutually matched and used for adjusting the upper position and the lower position of the magnetic cushion block in multiple gears when the magnetic cushion block rotates in the valve seat;
the limiting structure is a limiting through hole arranged on the side wall of the valve seat, the extending end penetrates through the limiting through hole, and the upper surface of the extending end is in contact with the upper wall surface of the limiting through hole; or the limiting structure is a limiting boss arranged on the side wall of the valve seat, and the upper surface of the extending end is in contact with the lower surface of the limiting boss;
a bottom boss is arranged on the bottom surface of the valve seat, a magnetic cushion block boss is arranged on the lower surface of the magnetic cushion block, and the upper surface of the bottom boss is in rotary contact with the lower surface of the magnetic cushion block boss; the upper surface of the bottom boss is provided with a multi-step structure; and a valve seat guide sloping platform is arranged between two adjacent bosses in the multi-step structure, and a magnetic cushion block guide sloping platform matched with the valve seat guide sloping platform is arranged on the magnetic cushion block boss.
2. The pressure adjustment structure according to claim 1, wherein a projection of an upper wall surface of the restriction through hole and a lower surface of the restriction boss in the circumferential direction of the valve seat is an upwardly inclined curved or broken line segment.
3. The pressure regulating structure according to claim 1, wherein there are at least two bottom surface bosses, and the at least two bottom surface bosses are centrosymmetric with respect to the axial center of the exhaust pipe.
4. The pressure regulating structure according to claim 1 or 2, wherein the number of the limiting through holes is at least two, and the at least two limiting through holes are centrosymmetric with respect to the axis of the valve seat;
or, the number of the limiting bosses is at least two, and the at least two limiting bosses are centrosymmetric with the axis of the valve seat.
5. A pressure regulating arrangement as claimed in any one of claims 1 or 2, wherein the magnetic block is provided with a regulating handle for driving the magnetic block to rotate about the valve body axis.
6. The pressure regulating structure of claim 1, wherein the extended end is formed upwardly as a regulating handle through the restricted through hole.
7. A pressure regulating structure according to claim 1 or 2, characterized in that the magnetic spacer is a permanent magnet or a ferromagnetic body.
8. A pressure cooker, comprising a pressure cooker main body, wherein an inner cooker is arranged in the pressure cooker main body, an upper cover for sealing the inner cooker is arranged on the pressure cooker main body, the pressure cooker is characterized by further comprising a pressure adjusting structure according to any one of claims 1 to 7, a through hole is arranged on the upper cover, and an exhaust pipe in the pressure adjusting structure is arranged on the upper cover through the through hole.
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CN2016101160488 | 2016-03-01 | ||
CN201610116048 | 2016-03-01 |
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CN107136911B true CN107136911B (en) | 2023-03-14 |
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1868386A (en) * | 2006-06-27 | 2006-11-29 | 佛山市富士宝电器科技有限公司 | Electric pressure cooker |
JP2008295493A (en) * | 2007-05-29 | 2008-12-11 | Toshiba Home Technology Corp | Rice cooker |
CN101797118A (en) * | 2010-01-26 | 2010-08-11 | 浙江苏泊尔股份有限公司 | Gravity-type pressure-regulating and pressuring-limiting valve |
CN201840306U (en) * | 2010-10-27 | 2011-05-25 | 浙江苏泊尔股份有限公司 | Gravity type pressure-regulating and pressure-limiting valve |
CN102644759A (en) * | 2012-04-28 | 2012-08-22 | 李开菊 | Valve core and pressure vessel exhaust device adopting same |
CN102670057A (en) * | 2012-05-24 | 2012-09-19 | 谢勇 | Electric pressure cooker with adjustable pressure limiting value |
CN203244264U (en) * | 2013-05-07 | 2013-10-23 | 应展 | Pressure-limiting valve of pressure cooker |
CN103445668A (en) * | 2013-08-22 | 2013-12-18 | 中山市雅乐思电器实业有限公司 | Pressure-limiting valve and electric pressure cooker |
CN103462490A (en) * | 2013-09-04 | 2013-12-25 | 浙江爱仕达电器股份有限公司 | Multistage pressure adjusting valve of pressure cooker |
CN105054768A (en) * | 2015-07-30 | 2015-11-18 | 佛山市顺德区美的电热电器制造有限公司 | Pressure adjusting mechanism and pressure cooker with same |
CN105286626A (en) * | 2015-11-17 | 2016-02-03 | 珠海双喜电器股份有限公司 | Spring type multi-gear pressure-limiting valve with pressure adjustable |
CN205625590U (en) * | 2016-03-01 | 2016-10-12 | 佛山市顺德区美的电热电器制造有限公司 | Pressure adjustment structure and have its pressure cooker |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100846863B1 (en) * | 2007-06-29 | 2008-07-16 | 김차식 | Pressure control and airtight device for pressure cooker |
CN203458208U (en) * | 2013-08-22 | 2014-03-05 | 中山市雅乐思电器实业有限公司 | Pressure-limiting valve |
CN105054770B (en) * | 2015-07-30 | 2017-12-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of pressure regulating mechanism and the pressure cooker provided with the pressure regulating mechanism |
-
2016
- 2016-04-19 CN CN201610243016.4A patent/CN107136911B/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1868386A (en) * | 2006-06-27 | 2006-11-29 | 佛山市富士宝电器科技有限公司 | Electric pressure cooker |
JP2008295493A (en) * | 2007-05-29 | 2008-12-11 | Toshiba Home Technology Corp | Rice cooker |
CN101797118A (en) * | 2010-01-26 | 2010-08-11 | 浙江苏泊尔股份有限公司 | Gravity-type pressure-regulating and pressuring-limiting valve |
CN201840306U (en) * | 2010-10-27 | 2011-05-25 | 浙江苏泊尔股份有限公司 | Gravity type pressure-regulating and pressure-limiting valve |
CN102644759A (en) * | 2012-04-28 | 2012-08-22 | 李开菊 | Valve core and pressure vessel exhaust device adopting same |
CN102670057A (en) * | 2012-05-24 | 2012-09-19 | 谢勇 | Electric pressure cooker with adjustable pressure limiting value |
CN203244264U (en) * | 2013-05-07 | 2013-10-23 | 应展 | Pressure-limiting valve of pressure cooker |
CN103445668A (en) * | 2013-08-22 | 2013-12-18 | 中山市雅乐思电器实业有限公司 | Pressure-limiting valve and electric pressure cooker |
CN103462490A (en) * | 2013-09-04 | 2013-12-25 | 浙江爱仕达电器股份有限公司 | Multistage pressure adjusting valve of pressure cooker |
CN105054768A (en) * | 2015-07-30 | 2015-11-18 | 佛山市顺德区美的电热电器制造有限公司 | Pressure adjusting mechanism and pressure cooker with same |
CN105286626A (en) * | 2015-11-17 | 2016-02-03 | 珠海双喜电器股份有限公司 | Spring type multi-gear pressure-limiting valve with pressure adjustable |
CN205625590U (en) * | 2016-03-01 | 2016-10-12 | 佛山市顺德区美的电热电器制造有限公司 | Pressure adjustment structure and have its pressure cooker |
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