CN209863314U

CN209863314U - Electric cooker with reliable sealing

Info

Publication number: CN209863314U
Application number: CN201920044502.2U
Authority: CN
Inventors: 朱泽春; 方华峰; 李青松
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2019-01-10
Filing date: 2019-01-10
Publication date: 2019-12-31
Anticipated expiration: 2029-01-10

Abstract

The utility model discloses a sealed reliable electric rice cooker belongs to the kitchen appliance field, has solved the poor problem of current electric rice cooker sealing member sealed effect, the utility model discloses sealed reliable electric rice cooker, including the pot body and pot cover, the pot cover includes upper cover, inner cup and sealing member, interior cover is equipped with the venthole, the sealing member includes installation department, inner circle seal lip and outer lane seal lip, the installation department is connected on the upper cover, the inner circle seal lip with the outer lane seal lip pastes under sealed form and leans on inner cup around the venthole, inner circle seal lip with the direction that the outer lane seal lip kept away from each other produces deformation under sealed form, be equipped with the portion of bending that does benefit to the inside deformation of its free end on the inner circle seal lip.

Description

Electric cooker with reliable sealing

[ technical field ] A method for producing a semiconductor device

The utility model relates to a kitchen appliance field especially relates to sealed reliable electric rice cooker.

[ background of the invention ]

The cover of the electric cooker comprises an upper cover and an inner cover, when the cover is covered on the cooker body, the inner cover is in sealing fit with an inner container in the cooker body, the upper cover is usually provided with a steam valve, a temperature sensor and other components, the installation positions of the components need to be provided with a sealing ring, and the sealing ring forms a sealing channel between the upper cover and the inner cover to prevent air leakage.

Along with the technical development of kitchen appliances, electric rice cooker has also had more functions, for example increase evacuating device among the prior art on electric rice cooker, make electric rice cooker can cook under the negative pressure state, however current sealing washer only is fit for providing sealedly under ordinary pressure and malleation culinary art form, under the negative pressure culinary art state, external atmospheric pressure is greater than the inside atmospheric pressure of culinary art space, compare ordinary pressure and malleation culinary art state, the interval of inner cup and upper cover in corresponding sealing washer department can increase, normal sealed form is difficult to maintain to conventional sealing washer, produce gas leakage easily, sealed requirement when unable satisfying the negative pressure culinary art state. In addition, the sealing ring is easy to generate wrinkles or other random deformation when being extruded by the inner cover, and the sealing reliability between the sealing ring and the inner cover is also influenced.

[ Utility model ] content

The utility model aims to solve the technical problem that the prior art is not enough to be overcome and a reliable electric rice cooker is provided.

In order to solve the technical problem, the utility model adopts the following technical scheme:

sealed reliable electric rice cooker, including the pot body and pot cover, the pot cover includes upper cover, inner cup and sealing member, be equipped with the venthole in the inner cup, the sealing member includes installation department, inner circle seal lip and outer lane seal lip, the installation department is connected on covering, the inner circle seal lip with the outer lane seal lip pastes under sealed form and leans on in inner cup around the venthole, the inner circle seal lip with the direction of keeping away from each other produces deformation under sealed form, be equipped with the portion of bending that does benefit to the inside deformation of its free end on the inner circle seal lip.

In the above-mentioned sealed reliable electric rice cooker, the inner circle sealing lip include by the installation department extends to the slope outward the first lip of the portion of bending with by the vertical downwardly extending's of the portion of bending second lip.

In the rice cooker with reliable seal, in a free form, the lower end of the second lip is lower than the free end of the outer ring seal lip.

In the electric cooker with reliable sealing, under the sealing state, the section of the inner ring sealing lip is in a transverse V shape.

In the electric cooker with reliable seal, the thickness of the first lip is larger than that of the second lip.

In the above-mentioned sealed reliable electric rice cooker, the outer lane seal lip by the installation department extends to one side, the thickness on outer lane seal lip upper portion is greater than the thickness of outer lane seal lip lower part.

In the electric cooker with reliable sealing, the mounting part comprises a mounting hole which axially penetrates through, and a sealing convex rib is arranged on the inner wall of the mounting hole.

In the electric cooker with reliable sealing, the inner cover around the air outlet hole is provided with a guide inclined plane, and the free end of the inner ring sealing lip deforms inwards along the guide inclined plane.

In the electric cooker with reliable sealing, the cooker cover further comprises a temperature sensor, and the temperature sensor is inserted in the mounting part of the sealing element.

In the electric cooker with reliable sealing, the cooker cover further comprises a vacuum pump, an exhaust pipe is connected to the vacuum pump, and the exhaust pipe is inserted into the mounting part of the sealing element; or the pot cover further comprises a vacuum pump and a three-way pipe, the three-way pipe is inserted into the mounting part of the sealing element, and an exhaust pipe is connected between the vacuum pump and the three-way pipe.

The utility model has the advantages that:

the utility model provides a sealed reliable electric rice cooker, including the pot body and pot cover, the pot cover includes upper cover, inner cup and sealing member, be equipped with the venthole in the inner cup, the sealing member includes installation department, inner circle seal lip and outer lane seal lip, the installation department is connected cover on, the inner circle seal lip with the outer lane seal lip pastes under sealed form and leans on cover in around the venthole, the inner circle seal lip with the direction that the outer lane seal lip kept away from each other under sealed form produces deformation, be equipped with the portion of bending that does benefit to its free end to inward deformation on the inner circle seal lip.

The sealing element of the utility model is provided with an inner ring sealing lip and an outer ring sealing lip, the inner ring sealing lip and the outer ring sealing lip are deformed towards the directions away from each other under the sealing state, the inner ring sealing lip provides sealing under the positive pressure and normal pressure state of the electric cooker, and the outer ring sealing lip provides sealing under the negative pressure state of the electric cooker; because the inner ring sealing lip is provided with the bending part which is beneficial to inward deformation of the free end of the inner ring sealing lip, when the inner ring sealing lip is extruded by the inner cover to generate deformation, the free end of the inner ring sealing lip is more easily deformed inward and is attached to the inner cover to realize sealing, and the sealing reliability is prevented from being influenced by wrinkles generated by the extrusion of the inner cover; under the malleation state, atmospheric pressure effect is inboard at the inner circle sealing lip, and the setting of the portion of bending has prevented effectively that the inner circle sealing lip from outwards deforming and destroying sealed, makes the deformation part of inner circle sealing lip closely paste on the inner cup by the atmospheric pressure effect, provides reliable sealed under the malleation state.

The inner circle seal lip include by the installation department extends to that inclines outwardly the first lip of the portion of bending with by the vertical downwardly extending's of the portion of bending second lip. The second lip extends vertically downwards, so that a larger deformation amount can be generated when the second lip is pressed by the inner cover, and the adhesion force of the second lip to the inner cover is increased, so that the second lip is more tightly adhered to the inner cover; since the second lip has a sufficient amount of deformation, even if the distance between the inner lid and the upper lid at the position corresponding to the seal member increases in the negative pressure state, the second lip can maintain the close contact state with the inner lid, i.e., provide reliable sealing in the negative pressure cooking state.

In a free form, a lower end of the second lip is lower than a free end of the outer ring seal lip. When the inner cover is installed, the second lip part of the inner ring sealing lip is in contact with the inner cover before the outer ring sealing lip to deform, the deformation amount of the second lip part is further increased, and the sealing effect is favorably improved.

The first lip has a thickness greater than a thickness of the second lip. The pressure-resistant deformation capacity of the first lip is improved by increasing the wall thickness of the first lip, so that the second lip can still maintain a good sealing form under the condition that the inner ring sealing lip bears higher pressure.

The outer lane seal lip by the installation department extends to leaning out, the thickness on outer lane seal lip upper portion is greater than the thickness of outer lane seal lip lower part. The compression deformation resistance of the upper part of the outer ring sealing lip is improved by increasing the wall thickness of the upper part of the outer ring sealing lip, so that the outer ring sealing lip can still keep a good sealing form under the condition of bearing higher pressure, and more reliable negative pressure sealing is provided.

The installation department includes the mounting hole that the axial runs through, the mounting hole inner wall is equipped with sealed protruding muscle. The sealing convex rib is in interference fit with the parts installed in the mounting holes to realize sealing and prevent the parts from loosening.

The inner cover around the air outlet hole is provided with a guide inclined plane, and the free end of the inner ring sealing lip deforms inwards along the guide inclined plane. When the inner cover is installed, the free end of the inner ring sealing lip deforms inwards along the guide inclined plane, and the inner ring sealing lip is better prevented from being squeezed by the inner cover to generate wrinkles by being matched with the arrangement of the bending part; under the positive pressure state, the guide inclined plane can hinder the outer deformation of the inner ring sealing lip, so that the inner ring sealing lip is more stable and reliable in sealing under the positive pressure state.

The pot cover further comprises a temperature sensor, and the temperature sensor is inserted into the mounting part of the sealing element. Adopt the utility model discloses a temperature sensor carries out the temperature measurement in the space less and sealed relatively, improves the temperature measurement accuracy in the sealing member.

The pot cover further comprises a vacuum pump, an exhaust pipe is connected to the vacuum pump, and the exhaust pipe is inserted into the mounting part of the sealing element; or the pot cover further comprises a vacuum pump and a three-way pipe, the three-way pipe is inserted into the mounting part of the sealing element, and an exhaust pipe is connected between the vacuum pump and the three-way pipe. Adopt the utility model discloses a sealing member avoids vacuum pump during operation to reduce the efficiency of bleeding because of producing gas leakage between sealing member and the inner cup.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic cross-sectional view of a pot lid according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sealing member in a free form according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a sealing member according to a first embodiment of the present invention in a sealing state;

fig. 4 is a schematic cross-sectional view of a pot cover according to a second embodiment of the present invention;

fig. 5 is a schematic structural view of an upper cover in the second embodiment of the present invention.

Reference numerals:

100, covering the upper cover;

200 inner cover, 210 air outlet hole, 220 guide inclined plane;

300 a temperature sensor;

400 sealing elements, 410 mounting parts, 411 mounting holes, 412 sealing ribs, 420 inner ring sealing lips, 421 first lips, 422 second lips, 423 bent parts and 430 outer ring sealing lips;

500 three-way pipes;

600 vacuum pump, 610 exhaust tube.

[ detailed description ] embodiments

The utility model provides a sealed reliable electric rice cooker, including the pot body and pot cover, the pot cover includes upper cover, inner cup and sealing member, be equipped with the venthole in the inner cup, the sealing member includes installation department, inner circle seal lip and outer lane seal lip, the installation department is connected cover on, the inner circle seal lip with the outer lane seal lip pastes under sealed form and leans on cover in around the venthole, the inner circle seal lip with the direction that the outer lane seal lip kept away from each other under sealed form produces deformation, be equipped with the portion of bending that does benefit to its free end to inward deformation on the inner circle seal lip. The inner ring sealing lip provides sealing under the positive pressure and normal pressure state of the electric cooker, and the outer ring sealing lip provides sealing under the negative pressure state of the electric cooker; because the inner ring sealing lip is provided with the bending part which is beneficial to inward deformation of the free end of the inner ring sealing lip, when the inner ring sealing lip is extruded by the inner cover to generate deformation, the free end of the inner ring sealing lip is more easily deformed inward and is attached to the inner cover to realize sealing, and the sealing reliability is prevented from being influenced by wrinkles generated by the extrusion of the inner cover; under the malleation state, atmospheric pressure effect is inboard at the inner circle sealing lip, and the setting of the portion of bending has prevented effectively that the inner circle sealing lip from outwards deforming and destroying sealed, makes the deformation part of inner circle sealing lip closely paste on the inner cup by the atmospheric pressure effect, provides reliable sealed under the malleation state.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

Example one

Referring to fig. 1-3, a reliable electric rice cooker according to an embodiment of the present invention includes a cooker body (not shown in the figure) and a cooker cover, the cooker cover includes an upper cover 100, a detachable inner cover 200 and a sealing element 400, an inner container is disposed in the cooker body, and when the cooker cover is closed, the inner cover 200 covers the inner container to form a cooking space. The sealing element 400 comprises an installation part 410, an inner ring sealing lip 420 and an outer ring sealing lip 430, an air outlet 210 is arranged on the inner cover 200, an assembly hole is formed in the position, corresponding to the air outlet 210, of the upper cover 100, the installation part 410 is connected to the assembly hole, when the inner cover 200 is installed, the inner ring sealing lip 420 and the outer ring sealing lip 430 deform in the direction of being away from each other, and after the inner cover 200 is installed in place, the inner ring sealing lip 420 and the outer ring sealing lip 430 are attached to the inner cover 200 around the air outlet 210.

The region between the upper cover 100 and the inner cover 200 outside the outer ring seal lip 430 is defined as S1, the region between the inner ring seal lip 420 and the outer ring seal lip 430 is defined as S2, and the region inside the inner ring seal lip 420 is defined as S3; under the positive pressure state (the external air pressure is less than the internal air pressure of the cooking space), the pressure of S1 is less than the pressure of S3, the pressure of S3 acts on the inner ring sealing lip 420, and the inner ring sealing lip 420 provides sealing under the positive pressure state of the electric cooker; under the negative pressure state (the external air pressure is greater than the internal air pressure of the cooking space), the pressure of S1 is greater than the pressure of S3, the pressure of S3 acts on the outer ring sealing lip 430, and the outer ring sealing lip 430 provides sealing under the negative pressure state of the electric cooker.

In this embodiment, the inner ring sealing lip 420 is provided with a bent portion 423 that facilitates inward deformation of the free end of the inner ring sealing lip, the inner ring sealing lip 420 includes a first lip portion 421 that extends to the bent portion 423 and a second lip portion 422 that extends vertically and downwardly from the bent portion 423 and is inclined outwardly by the mounting portion 410, and the cross section of the inner ring sealing lip 420 is in a transverse V shape in the sealing state. Due to the arrangement of the bent portion 423, when the inner ring sealing lip 420 is extruded by the inner cover 200 to generate deformation, the second lip 422 is more easily deformed inwards to be attached to the inner cover 200 to realize sealing, so that the inner ring sealing lip 420 is prevented from being extruded by the inner cover 200 to generate wrinkles to influence the sealing reliability; under the positive pressure state, the air pressure of S3 acts on the inner ring sealing lip 420, the arrangement of the bent part 423 effectively prevents the outer ring sealing lip 420 from deforming outwards to damage the sealing, and the second lip 422 is tightly attached to the inner cover 200 under the action of the air pressure, so that reliable sealing is provided under the positive pressure state.

Under the malleation state, if interior outer differential pressure is great, the first lip 421 of inner circle seal lip 420 outwards deforms easily under the atmospheric pressure effect, and then drives second lip 422 deformation, influence the sealed effect of second lip 422, for this reason, in this embodiment, the thickness of first lip 421 is greater than the thickness of second lip 422, promote the compressive deformation ability of first lip 421 through the wall thickness that increases first lip 421, make second lip 422 still can keep good sealed form under the condition that inner circle seal lip 420 bears the bigger pressure.

It should be noted that: the outward deformation is the deformation in the region pointing to S1, and the outward deformation is the deformation in the region pointing to S2.

In this embodiment, when the inner cap 200 is not mounted, the sealing member 400 is in a free form, and at this time, the lower end of the second lip portion 422 is lower than the free end of the outer ring seal lip 430, and when the inner cap 200 is mounted, the second lip portion 422 of the inner ring seal lip 420 is deformed by contacting the inner cap 200 before the outer ring seal lip 430, so as to further increase the deformation amount of the second lip portion 422, which is beneficial to improving the sealing effect.

In this embodiment, the inner cap 200 around the air outlet 210 is inclined from high to low toward the center of the air outlet 210 to form a guide slope 220, and the free end of the inner ring seal lip 420 is deformed inwardly along the guide slope 220. When the inner cover 200 is installed, the free end of the inner ring sealing lip 420 deforms inwards along the guide inclined plane 220, and the arrangement of the bending part 423 is matched, so that the inner ring sealing lip 420 is prevented from being pressed by the inner cover 200 to generate wrinkles; under the positive pressure state, the guide slope 220 can prevent the second lip 422 of the inner ring sealing lip 420 from deforming outwards, so that the sealing of the inner ring sealing lip 420 under the positive pressure state is more stable and reliable.

In this embodiment, the outer ring sealing lip 430 extends obliquely outward from the mounting portion 410, when the inner cap 200 is mounted, the free end of the outer ring sealing lip 430 deforms outward, and after the inner cap 200 is mounted in place, the lower portion of the outer ring sealing lip 430 is substantially horizontal and abuts against the inner cap 200 around the air outlet 210. Preferably, the thickness of the upper portion of the outer ring seal lip 430 is greater than that of the lower portion of the outer ring seal lip 430, and the pressure-resistant deformation capacity of the upper portion of the outer ring seal lip 430 is improved by increasing the wall thickness of the upper portion of the outer ring seal lip 430, so that the outer ring seal lip 430 can still maintain a good sealing form under the condition of bearing higher pressure, and thus more reliable negative pressure sealing is provided.

In this embodiment, the installation department 410 of sealing member 400 includes the mounting hole 411 that the axial runs through, the pot cover still includes temperature sensor 300, temperature sensor 300 cartridge is in mounting hole 411, so that temperature sensor 300 can directly examine the steam temperature of venthole 210 department, improve the temperature measurement accuracy, adopt sealing member 400 in this embodiment, on the one hand can prevent venthole 210 exhaust steam diffusion to the upper cover 100 in, avoid the upper cover 100 structure to receive steam erosion, on the other hand, temperature sensor 300 can carry out the temperature measurement in the relatively less space that sealing member 400 injectd, the temperature measurement is faster, it is accurate. Preferably, the upper portion and the lower portion of the inner wall of the mounting hole 411 are respectively provided with a sealing rib 412, and the two sealing ribs 412 are in interference fit with the temperature sensor 300 to realize sealing and prevent the temperature sensor 300 from loosening.

Example two

Referring to fig. 4 and 5, in the electric cooker provided by the present embodiment, a vacuum pump 600 and a three-way pipe 500 are disposed on an upper cover 100 of a cooker cover, the three-way pipe 500 includes a first connection pipe, a second connection pipe and a third connection pipe which are communicated with each other, the first connection pipe is inserted into a mounting hole of a sealing member 400, an air exhaust pipe 610 is connected between an air exhaust end of the vacuum pump 600 and the second connection pipe, the vacuum pump 600 exhausts air to the outside during operation, so that a negative pressure state is formed in a cooking space of the electric cooker, and the third connection pipe can be communicated with the outside for releasing the negative. The extraction tube 610 may also be inserted directly into the mounting hole of the seal 400 without the use of a tee. By adopting the sealing element of the first embodiment, the sealing property under the negative pressure state is ensured, and the reduction of the air exhaust efficiency caused by air leakage generated between the sealing element 400 and the inner cover when the vacuum pump 600 works is avoided.

Except that above-mentioned embodiment the scheme, the sealing member still can use on other parts of pot cover, for example, cover on and install the steam valve, the installation department of sealing member and the sealed cooperation of steam valve, the lower extreme of sealing member passes through inner circle sealing lip and outer lane sealing lip and the sealed cooperation of inner cup, has guaranteed the leakproofness from the venthole to the steam flow path of steam valve inlet end, and can satisfy the sealed requirement under electric rice cooker ordinary pressure, malleation and the negative pressure state.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. Sealed reliable electric rice cooker, including the pot body and pot cover, the pot cover includes upper cover, inner cup and sealing member, be equipped with the venthole in the inner cup, the sealing member includes installation department, inner circle seal lip and outer lane seal lip, the installation department is connected on covering, the inner circle seal lip with the outer lane seal lip pastes under sealed form and leans on inner cup around the venthole, its characterized in that, the inner circle seal lip with the outer lane seal lip produces deformation to the direction of keeping away from each other under sealed form, be equipped with the portion of bending that does benefit to its free end inward deformation on the inner circle seal lip.

2. The rice cooker with reliable seal as claimed in claim 1, wherein said inner ring sealing lip includes a first lip portion extending obliquely outward from said mounting portion to said bent portion and a second lip portion extending vertically downward from said bent portion.

3. The rice cooker of claim 2, wherein in its free form, the lower end of said second lip is lower than the free end of said outer ring seal lip.

4. The rice cooker of claim 2, wherein said inner ring sealing lip has a transverse V-shaped cross-section in the sealed configuration.

5. The rice cooker with reliable seal as claimed in claim 2, wherein the thickness of said first lip is greater than the thickness of said second lip.

6. The rice cooker of claim 1, wherein said outer lip extends obliquely outwardly from said mounting portion, and an upper portion of said outer lip has a thickness greater than a lower portion of said outer lip.

7. The rice cooker with reliable seal as claimed in claim 1, wherein said mounting portion comprises an axially extending mounting hole, and a sealing rib is provided on an inner wall of said mounting hole.

8. The rice cooker of one of claims 1 to 7, wherein the inner lid around the air outlet hole is provided with a guide slope, and the free end of the inner ring sealing lip is deformed inward along the guide slope.

9. The rice cooker of any one of claims 1 to 7, wherein said cover further comprises a temperature sensor, said temperature sensor being inserted into said mounting portion of said sealing member.

10. The electric cooker with reliable sealing as claimed in any one of claims 1 to 7, wherein the cover further comprises a vacuum pump, an exhaust tube is connected to the vacuum pump, and the exhaust tube is inserted into the mounting portion of the sealing member; or the pot cover further comprises a vacuum pump and a three-way pipe, the three-way pipe is inserted into the mounting part of the sealing element, and an exhaust pipe is connected between the vacuum pump and the three-way pipe.