CN215383139U - Steam cooking appliance - Google Patents

Abstract

The embodiment of the utility model provides a steam cooking appliance, which comprises a pot body, a pot cover, a steam generator, a steam pipeline communicated with the steam generator and an inner container arranged in the pot body, wherein a steam guide pipe extending into the inner container is arranged on the pot cover, the steam guide pipe is communicated with the steam generator through the steam pipeline, a one-way valve is arranged on the steam pipeline, and steam generated by the steam generator flows into the steam pipeline and enters the inner container through the one-way valve and the steam guide pipe.

Description

Steam cooking appliance

Technical Field

Embodiments of the present invention relate to, but are not limited to, the field of cooking appliances, and more particularly, to a steam cooking appliance.

Background

Most current cooking utensils that adopt steam heating mode, through the steam that produces steam generator by the steam conduit leading-in to the inner bag for carry thermal steam from the inner bag inside to eat material and heat the culinary art, however when steam generator stopped to the inside steam of carrying of inner bag or when reducing the delivery volume of steam, the phenomenon to steam generator backward flow can take place very likely to the inside steam of inner bag, thereby produce the pollution to steam conduit or steam generator, probably lead to them to damage when serious, thereby influence cooking utensils's life.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a steam cooking appliance, which solves the problem that the cooking appliance is polluted or damaged due to steam backflow.

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

the embodiment of the utility model provides a steam cooking appliance, which comprises a pot body, a pot cover, a steam generator, a steam pipeline communicated with the steam generator and an inner container arranged in the pot body, wherein a steam guide pipe extending into the inner container is arranged on the pot cover, the steam guide pipe is communicated with the steam generator through the steam pipeline, a one-way valve is arranged on the steam pipeline, and steam generated by the steam generator flows into the steam pipeline and enters the inner container through the one-way valve and the steam guide pipe.

In an exemplary embodiment, the steam guide pipe is detachably connected to the steam line, and the check valve is provided at an end of the steam line connected to the steam guide pipe.

In an exemplary embodiment, the steam pipeline comprises a steam channel communicated with the steam generator and a backflow valve body, one end of the backflow valve body is arranged on the cooker cover and connected with the steam channel, the other end of the backflow valve body is detachably connected with the steam guide pipe, and the one-way valve is connected at one end of the backflow valve body connected with the steam guide pipe.

In an exemplary embodiment, the cross section of the inner cavity of the backflow valve body is reduced along the direction towards the steam guide pipe, the one-way valve comprises a floating piece arranged at one end of the backflow valve body connected with the steam guide pipe, and the steam drives the floating piece to move so as to open and close the one-way valve.

In an exemplary embodiment, the cross-section of the lumen of the steam conduit is tapered in a direction of steam flow in the steam conduit into the bladder.

In an exemplary embodiment, the steam guide is made of a metal material.

In an exemplary embodiment, the floating member includes a sealing end cover located outside the backflow valve body, and the steam drives the sealing end cover to open and close an opening located at the end of an inner cavity of the backflow valve body so as to open or close the one-way valve.

In an exemplary embodiment, the peripheral ring of the end part of the backflow valve body, which is positioned at the opening of the inner cavity, is provided with a circle of groove, the sealing end cover is provided with an annular protrusion matched with the groove, the one-way valve is closed, one surface, facing the opening of the inner cavity, of the sealing end cover is attached to the end wall of the backflow valve body, and the annular protrusion extends into the groove.

In an exemplary embodiment, the sealing end cap is provided with a bead on the side opposite to the side provided with the annular projection.

In an exemplary embodiment, a pressure relief device is further connected to the steam pipeline.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. the cooker cover is provided with a steam guide pipe extending into the inner container, the lower end of the steam guide pipe can be inserted into food materials in the inner container, the steam guide pipe is communicated with the steam generator through a steam pipeline, after the steam generator generates steam, the steam flows to the steam guide pipe along the steam pipeline, finally flows out from the lower end of the steam guide pipe, namely one end inserted into the food materials, and permeates and diffuses to the surrounding food materials to heat the food materials; the steam pipeline is provided with a one-way valve, the one-way valve is arranged to enable steam generated by the steam generator to flow into the steam pipeline and flow into the steam guide pipe through the one-way valve, then the steam pipeline enters the inner container, when the steam generator stops conveying steam to the inner container or steam conveying quantity is changed due to change of heating power of the steam generator, pressure and temperature in the steam pipeline can be changed, steam or water in the inner container can possibly flow back to the steam pipeline, and the steam guide pipe is inserted into food materials, the pressure and flow rate of the steam in the inner container are increased when the steam enters the steam guide pipe, surrounding food materials can be easily driven to enter the steam guide pipe, the steam guide pipe is blocked, the possibility of steam or water backflow can be effectively reduced due to the arrangement of the one-way valve, and simultaneously the flow rate and pressure of the steam or water backflow to the one-way valve are increased under the action of the steam guide pipe, the use effect of the one-way valve is optimized, so that the one-way valve can be closed more quickly, and meanwhile, the sealing performance of the one-way valve is optimized.

2. The steam pipe can be dismantled with steam pipe and be connected, and such setting up is convenient to be cleared up steam pipe, and the check valve setting is in steam pipe and steam pipe connection's one end, detaches the back with steam pipe from steam pipe, and the check valve directly exposes externally, can the person of facilitating the use clean the check valve. Furthermore, the steam pipeline comprises a steam channel and a reflux valve body, two ends of the reflux valve body are respectively connected with the steam channel and communicated with the steam guide pipe, the reflux valve is arranged on the cooker cover, the steam guide pipe is detachably connected with the reflux valve, thereby being convenient to clean, the one-way valve is connected with one end of the reflux valve body connected with the steam guide pipe, the cross section of the inner cavity of the reflux valve body is reduced along the direction towards the steam guide pipe, namely one end of the one-way valve is arranged, because the flow rate and pressure of the steam are increased when the steam flows from a larger space to a smaller space, therefore, when the steam in the steam channel flows to the steam guide pipe through the reflux valve, larger flow velocity and pressure can be obtained, the opening of the one-way valve can be ensured, meanwhile, after steam with improved flow rate and pressure enters the inner container, the food material has better permeability and diffusivity, and the cooking effect of the food material is optimized.

3. The cross section of the inner cavity of the steam guide pipe is gradually reduced along the direction that steam in the steam guide pipe flows into the inner container, the space of the inner cavity at the upper end of the steam guide pipe, namely the end connected with the reflux valve, is gradually reduced towards the lower end of the steam guide pipe, namely the space of the inner cavity at the end inserted into food materials, and the flow rate and pressure of the steam flowing out from the steam pipeline through the one-way valve can be increased after the steam flows through the steam guide pipe arranged in the shape, so that the steam has better permeability and diffusivity in the food materials when flowing out from the lower end of the steam guide pipe, and the cooking effect on the food materials is further optimized; the steam pipe that adopts the metal material to make simultaneously has good heat transmissibility, and when steam passed through the steam pipe, can optimize the heating effect with the heat of steam to eating the material transmission through the pipe wall of steam pipe for the heating is more even, and the steam pipe of metal material is high temperature resistant and non-deformable simultaneously, has improved life.

4. The one-way valve comprises a floating part arranged at one end of the backflow valve body connected with the steam guide pipe, the steam or water drives the floating part to move so as to open and close the one-way valve, the floating part comprises a sealing end cover positioned outside the backflow valve body, the steam or water drives the sealing end cover to open and close an opening positioned at the end part of an inner cavity of the backflow valve body so as to open or close the one-way valve, when steam flows to the inner container from the steam generator, the steam drives the floating part to move in the direction far away from the backflow valve body, and at the moment, the sealing end cover is separated from the opening positioned at the end part of the inner cavity of the backflow valve body, so that the steam passes through the opening; if steam or water flows back, namely the steam or water flows from the inner container to the steam generator, the steam or water drives the floating piece to move towards the direction close to the backflow valve body, at the moment, the sealing end cover seals the opening of the inner cavity of the backflow valve body, which is positioned at the end part, and the one-way valve is closed, so that the backflow of the steam into the steam channel is blocked. Further, the cooperation between the groove on the backflow valve body and the annular protrusion on the sealing end cover can optimize the sealing performance of the check valve.

Additional features and advantages of embodiments of the utility model will be set forth in the description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the example serve to explain the principles of the utility model and not to limit the utility model.

FIG. 1 is a schematic cross-sectional view of a steam cooking appliance with a one-way valve open according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a steam cooking appliance with the one-way valve closed according to an embodiment of the present invention;

FIG. 4 is an enlarged partial view of portion B of FIG. 3;

fig. 5 is a partial exploded sectional view of the steam cooking appliance embodying the present invention;

fig. 6 is a partially enlarged schematic view of a portion C in fig. 5.

Reference numerals:

1. a pot body; 2. a pot cover; 3. a steam generator; 4. a steam line; 401. a steam channel; 402. a return valve body; 4021. a groove; 5. an inner container; 6. a steam conduit; 7. a one-way valve; 701. a float member; 7011. sealing the end cap; 7012. an annular projection; 7013. reinforcing ribs; 7014. a connecting rod; 7015. a stopper; 702. a support; 703. connecting holes; 704. an air outlet; 8. a pressure relief device.

Detailed Description

Embodiments of the present invention will be described herein with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

As shown in fig. 1, the steam cooking appliance comprises a pot body 1, a pot cover 2, a steam generator 3, a steam pipeline 4 communicated with the steam generator 3 and an inner container 5 arranged in the pot body 1, a steam conduit 6 extending into the inner container 5 is arranged on the pot cover 2, the steam conduit 6 is communicated with the steam generator 3 through the steam pipeline 4, a one-way valve 7 is arranged on the steam pipeline 4, steam generated by the steam generator 3 flows into the steam pipeline 4, and then enters the inner container 5 through the one-way valve 7 and the steam conduit 6 in sequence so as to cook food materials in the inner container 5. In the embodiment of the utility model, the one-way valve 7 can play a role in backflow prevention, and peculiar smell of a steam cooking appliance is prevented from being generated due to backflow influence, the steam conduit 6 and the one-way valve 7 can be well interacted, when steam or water in the inner container 5 flows back from the inside of the inner container 5 with a larger space to the steam conduit 6 with a smaller inner space compared with the inside of the inner container 5, the flow rate and the pressure of the steam or water can be improved to a certain extent, so that the steam in the steam conduit 6 can be driven to generate acting force on the one-way valve 7 more quickly, the steam pressure acting on the one-way valve 7 is larger, the backflow prevention effect of the one-way valve 7 is optimized, the one-way valve 7 is enabled to be more sensitive, and the backflow steam can be reacted more quickly; steam or water in the inner bag when flowing to steam conduit 6, drive around the edible material easily and flow to steam conduit 6, the optimization of 7 anti-return effects of check valve can reduce steam conduit 6 and by the risk of eating the material jam, has optimized and has used experience.

Further, the steam pipeline 4 comprises a steam conduit 6 and a backflow valve body 402, the steam conduit 6 is connected to the backflow valve body 402, the check valve 7 comprises a floating part 701 arranged at one end of the backflow valve body 402 connected with the steam conduit 6, the floating part 701 is connected with the backflow valve body 402 in a sliding mode, and the steam drives the floating part 701 to move relative to the backflow valve body 402 to control the opening and closing of the check valve 7; when steam flows to the inner container 5 from the steam guide pipe 6, the steam drives the floating piece 701 to push the floating piece 701 to the direction far away from the backflow valve body 402, so that the one-way valve 7 is opened, the steam bypasses the floating piece 701 and flows into the steam guide pipe 6 and finally enters the inner container 5, and when the steam flows back from the inner container 5 to the steam guide pipe 6, the steam drives the floating piece 701 to push the floating piece 701 to the direction close to the backflow valve body 402, so that the one-way valve 7 is closed, the connection between the steam pipeline 4 and the inner container 5 is blocked, and the steam backflow in the inner container 5 is prevented.

As shown in fig. 2, the steam cooking appliance comprises a cooker body 1, a cooker cover 2, a steam generator 3, a steam pipeline 4 communicated with the steam generator 3 and an inner container 5 arranged in the cooker body 1, a steam conduit 6 extending into the inner container 5 is arranged on the cooker cover 2, the steam conduit 6 is communicated with the steam generator 3 through the steam pipeline 4, a one-way valve 7 is arranged on the steam pipeline 4, steam generated by the steam generator 3 flows into the steam pipeline 4 and enters the inner container 5 through the one-way valve 7 and the steam conduit 6, the steam conduit 6 is detachably connected with the steam pipeline 4, the one-way valve 7 is arranged at one end of the steam pipeline 4 connected with the steam conduit 6, the one-way valve 7 is arranged at the end of the steam pipeline 4, compared with the arrangement inside the steam pipeline 4, the backflow steam can be directly blocked outside the steam pipeline 4, and a part of the steam pipeline 4, which is communicated with the inner container 5 before the one-way valve 7, is prevented from being polluted by the backflow steam, difficult to wash, it is easier than setting up inside steam pipe 4 in the tip that the check valve 7 set up at steam pipe 4 simultaneously, helps reduction in production cost to when needing to wash, pull down steam pipe 6, check valve 7 just exposes externally, conveniently cleans.

Further, the one end that steam conduit 4 and steam conduit 6 are connected extends to a kind of deep pot and covers terminal surface under 2, steam conduit 4 includes steam channel 401 and the backward flow valve body 402 with steam generator 3 intercommunication, backward flow valve body 402 one end sets up on a kind of deep pot covers 2 and is connected with steam channel 401, the other end can be dismantled with steam conduit 6 and be connected, check valve 7 is connected the one end of being connected at backward flow valve body 402 and steam conduit 6, such setting, after steam conduit 6 pulls down, check valve 7 directly exposes terminal surface outside under a kind of deep pot covers 2, convenient washing, backward flow valve body 402 adopts current some mode of dismantling the connection to connect on a kind of deep pot covers 2 simultaneously, for example spiro union or joint etc., thereby convenient dismantlement and cleanness.

Further, check valve 7 is including establishing the floating member 701 in the one end that backward flow valve body 402 is connected with steam pipe 6, and floating member 701 sliding connection is in the one end that backward flow valve body 402 is connected with steam pipe 6, and steam drives the motion of floating member 701 in order to open and close check valve 7 to convenient the washing, the form of being connected can be dismantled with backward flow valve body 402 to floating member 701, can further clean after the dismantlement.

As shown in fig. 5 and 6, the cross section of the inner cavity of the backflow valve body 402 is reduced along the direction toward the steam conduit 6, that is, the direction in which steam flows from the steam generator 3 to the inner container 5, and the arrangement of the embodiment of the present invention enables the steam to be compressed to a certain extent in the process of flowing to the steam conduit 6 through the backflow valve body 402, so that the steam has a high flow rate and a certain pressure when entering the steam conduit 6, and finally, when being discharged into the inner container 5 through the lower end of the steam conduit 6, the diffusion area in the inner container 5 is increased, the cooking effect is optimized, and the food material is heated more uniformly.

Further, the cross section of the inner cavity of the steam guide pipe 6 is gradually reduced along the direction that steam flows into the inner container 5 in the steam guide pipe 6, namely, the inner cavity of the steam guide pipe 6 is larger than one end of the steam guide pipe 6 connected with the backflow valve body 402 and inserted into the food material, the setting of the novel embodiment enables the steam flowing into the steam guide pipe 6 from the backflow valve body 402 to be further compressed before entering the inner container 5, the diffusion area in the inner container 5 is improved, the cooking effect is optimized, and the food material is heated more uniformly.

Further, the side wall of the steam conduit 6 is integrally in an inwardly contracted shape, so that the resistance of the steam conduit 6 when being inserted into food materials is reduced, the occupied space in the inner container 5 is small, and the inner container 5 can contain more food materials. Steam conduit 6 is made by metal material, for example stainless steel, can reduce steam conduit 6 deformation under the influence of high temperature, helps improving practical life.

As shown in fig. 3 and 4, the steam channel 401 is connected with the steam conduit 6 through the backflow valve body 402, the backflow valve body 402 includes an inner cavity, openings are provided at two ends of the inner cavity, which are located at the connection between the backflow valve body 402 and the steam channel 401 and the steam conduit 6, the check valve 7 includes a floating member 701 provided at the opening of the inner cavity at one end of the backflow valve body 402, which is connected with the steam conduit 6, the steam drives the floating member 701 to move to open and close the inner cavity opening to open and close the check valve 7, the floating member 701 includes a sealing end cap 7011 located outside the backflow valve body 402, when the steam flows from the steam channel 401 to the inner container 5, the sealing end cap 7011 is pushed away from the backflow valve body 402, so that the inner cavity of the backflow valve body 402 is communicated with the inner container 5, the check valve 7 is opened, and the steam flows into the inner container 5 through the steam conduit 6; when steam in the inner container 5 flows back, the steam pushes the sealing end cap 7011 towards the backflow valve body 402, so that the sealing end cap 7011 is abutted against the end face of the backflow valve body 402 to seal the inner cavity opening at one end of the backflow valve body 402 connected with the steam guide pipe 6, the one-way valve 7 is closed, and therefore the passage of the steam flowing from the inner container 5 to the steam channel 401 is blocked, and backflow is prevented.

Furthermore, a circle of groove 4021 is annularly arranged on the periphery of the opening of the inner cavity at the end part of one end, connected with the steam guide pipe 6, of the backflow valve body 402, a circle of annular protrusion 7012 matched with the groove 4021 is arranged on one surface, facing the groove 4021, of the sealing end cover 7011, when the check valve 7 is closed, one surface, facing the opening of the inner cavity, of the sealing end cover 7011 is attached to the end wall of the backflow valve body 402 to seal the opening of the inner cavity, and at the moment, the annular protrusion 7012 extends into the groove 4021.

Further, the check valve 7 further comprises a support 702 for supporting the floating building, a connecting hole 703 is formed in the support 702 and used for being connected with the floating part 701, the floating part 701 comprises a connecting part integrally formed with the sealing end cover 7011, the connecting part comprises a connecting rod 7014 and a stop block 7015, two ends of the connecting rod 7014 are respectively connected with the stop block 7015 and the sealing end cover 7011, the floating part 701 is supported on the backflow valve body 402 through the sliding connection of the connecting rod 7014 and the connecting hole 703 in the support 702, the stop block 7015 can prevent the floating part from falling off from the backflow valve body 402 under the action of steam and self gravity, and the steam flows out of the backflow valve body 402 from an air outlet 704 formed between the support 702 and an inner cavity of the backflow valve body 402. The end cap 7011 may be made of silica gel, so that when the floating member 701 needs to be cleaned, the floating member 701 can be detached from the backflow valve body 402 by using the elastic deformation property of the silica gel, and after cleaning, the installation can be completed only by plugging the connecting rod 7014 into the connecting hole 703.

Furthermore, the sealing end cap 7011 is provided with a reinforcing rib 7013 on the side opposite to the side provided with the annular protrusion 7012, and if the floating part 701 is made of silica gel, the reinforcing rib 7013 can improve the strength of the sealing end cap 7011, so that the sealing performance is prevented from being influenced by unnecessary deformation.

Further, still be connected with pressure relief device 8 on steam channel 401, the pressure relief valve can adopt the current structure that has the pressure relief function, for example the pressure relief valve, and when the pressure in steam conduit 4 was too big, pressure relief device 8's setting can be arranged the outer row of the too high steam of pressure in steam conduit 4 to guarantee cooking utensil's safety in utilization.

Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments described above. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. Steam cooking utensil, including a kind of deep pot body, a kind of deep pot lid, steam generator, with the steam conduit of steam generator intercommunication and locate the inner bag in the a kind of deep pot body, its characterized in that, be equipped with the steam pipe that stretches into the inner bag on the a kind of deep pot lid, steam pipe with steam generator passes through steam conduit intercommunication, be equipped with the check valve on the steam conduit, the steam that steam generator produced flows into steam conduit and gets into the inner bag through check valve and steam pipe.

2. Steam cooking appliance according to claim 1, characterized in that: the steam guide pipe is detachably connected with the steam pipeline, and the one-way valve is arranged at one end of the steam pipeline connected with the steam guide pipe.

3. Steam cooking appliance according to claim 2, characterized in that: the steam pipeline comprises a steam channel communicated with the steam generator and a backflow valve body, one end of the backflow valve body is arranged on the cooker cover and connected with the steam channel, the other end of the backflow valve body is detachably connected with the steam guide pipe, and the one end of the backflow valve body connected with the steam guide pipe is connected with the check valve.

4. Steam cooking appliance according to claim 3, characterized in that: the cross section of the inner cavity of the backflow valve body is reduced along the direction towards the steam guide pipe, the one-way valve comprises a floating piece arranged at one end of the backflow valve body connected with the steam guide pipe, and the steam drives the floating piece to move so as to open and close the one-way valve.

5. The steam cooking appliance according to any one of claims 1 to 4, wherein: the cross section of the inner cavity of the steam guide pipe is gradually reduced along the direction that the steam in the steam guide pipe flows into the inner container.

6. The steam cooking appliance according to any one of claims 1 to 4, wherein: the steam conduit is made of metal.

7. The steam cooking appliance of claim 4, wherein: the floating piece comprises a sealing end cover positioned outside the backflow valve body, and the steam drives the sealing end cover to open and close an opening positioned at the end part of an inner cavity of the backflow valve body so as to open or close the one-way valve.

8. The steam cooking appliance of claim 7, wherein: the end part of the backflow valve body is positioned at the periphery of the inner cavity opening and is annularly provided with a circle of groove, the sealing end cover is provided with an annular protrusion matched with the groove, the one-way valve is closed, and the sealing end cover is attached to the end wall of the backflow valve body towards the inner cavity opening and extends into the groove along with the annular protrusion.

9. The steam cooking appliance of claim 8, wherein: and a reinforcing rib is arranged on the sealing end cover relative to the side provided with the annular bulge.

10. Steam cooking appliance according to claim 1, characterized in that: and the steam pipeline is also connected with a pressure relief device.

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