CN210902569U - Electric rice cooker - Google Patents

Abstract

The utility model discloses an electric rice cooker, electric rice cooker includes: the electric cooker comprises an electric cooker shell, an inner container and a heater, wherein the electric cooker shell is provided with an accommodating space, the inner container is arranged in the accommodating space, and the heater is arranged in the accommodating space and used for heating the inner container; a filter structure is disposed within the inner container for filtering the contents of the inner container to filter out liquid in the contents. The utility model discloses can improve the reliability that electric rice cooker used.

Description

Electric rice cooker

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to an electric rice cooker.

Background

The rice cooked by common electric cookers in the market is pot-closed rice, and the sugar content of the rice is higher. With the increase of the number of people with diabetes in China, the traditional electric rice cooker can not meet the diet daily of the diabetes. In order to meet the requirements of diabetics, people improve the traditional electric cooker, the braised rice is changed into steamed rice, namely, water and food materials are separated, and the water in the steamed rice is discharged out of the electric cooker, a valve is required to be arranged at a water discharge port in the electric cooker, a solenoid valve is generally adopted by the valve, and the solenoid valve controls the valve to be opened and closed, but the electric cooker in the prior art has the following defects: the valve generally sets up the bottom at electric rice cooker, this electro-magnet sets up near the valve, some even directly are connected with the valve casing, electric rice cooker adopts for the bottom heating, just so lead to the temperature of valve casing higher, consequently the electro-magnet is connected with the valve casing all the time or be located its near can make the electro-magnet be in high temperature state all the time, and the electro-magnet can generate heat at circular telegram in-process itself, in such operational environment, its inside wire takes place ageing very easily, influence life, and the fault rate is higher, the reliability of electric rice cooker use has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric rice cooker to improve the reliability of use.

In order to solve the technical problem, the utility model relates to an electric rice cooker, electric rice cooker includes: the electric cooker comprises an electric cooker shell, an inner container and a heater, wherein the electric cooker shell is provided with an accommodating space, the inner container is arranged in the accommodating space, and the heater is arranged in the accommodating space and used for heating the inner container; a filtering structure is arranged in the inner container and is used for filtering the content in the inner container to filter out the liquid in the content; the inner container is provided with a drainage structure, the drainage structure comprises a drainage port and a drainage valve, the drainage port is formed in the bottom of the inner container and used for discharging the liquid, the drainage valve comprises a valve core, a magnetic suction device, a reset device and a driving device, and the valve core is movably arranged in the inner container and is positioned at a first position to close the drainage port; the driving device is arranged in the accommodating space, the magnetic suction device is connected with the driving device, the driving device is used for driving the magnetic suction device to move along a set direction so that the magnetic suction device can reach a first set position and a second set position, the distance between the first set position and the inner container is smaller than the distance between the second set position and the inner container, the magnetic suction device can suck the valve core to the second position to open the water outlet in the state of being located at the first set position, and the magnetic suction device can release the suction on the valve core in the state of being located at the second set position; the reset device is formed in the inner container and used for enabling the magnetic suction device to reset to the first position to close the water outlet when the magnetic suction device releases the suction on the valve core.

Preferably, the driving device includes a rotating shaft and a rotating arm, a first end of the rotating arm is rotatably connected to the electric cooker housing through the rotating shaft, the rotating shaft is disposed along a height direction of the inner container, the magnetic attraction device is disposed at a second end of the rotating arm, and the rotating arm is configured to rotate relative to the electric cooker housing with the rotating shaft as a center to drive the magnetic attraction device to move along the set direction.

Preferably, the driving device further comprises a motor, wherein an output end of the motor is connected with the rotating shaft and is used for driving the rotating shaft to rotate relative to the electric cooker shell by taking an axis as a center so as to drive the magnetic attraction device to move along the set direction.

Preferably, the reset device is a guide channel, the guide channel extends along the height direction of the inner container, the first position is located at the lower part of the guide channel, the second position is located at the upper part of the guide channel, and the guide channel is used for being in sliding fit with the valve core so that the valve core can slide along the guide channel from the second position to the first position under the action of gravity.

Preferably, in the above scheme, the guide channel is conical, the tip of the cone is located at the bottom of the guide channel, the drain port is formed in the tip of the cone, and the valve core is a ball.

Preferably, the magnetic attraction device is a permanent magnet.

Preferably, the filter structure is a filter net, and the filter net is arranged in the inner container.

Preferably, the filter net is detachably connected to the inner container.

Preferably, the shape of the filter mesh corresponds to the inner space of the inner container.

Preferably, a water receiving box is detachably arranged below the electric cooker shell, and the water outlet is detachably connected with a water inlet of the water receiving box.

When the electric cooker provided by the utility model is used, the contents in the inner container can be filtered through the filtering structure to filter out the liquid in the contents, when the liquid needs to be discharged, the driving device can drive the magnetic suction device to move along a set direction to enable the magnetic suction device to be close to the inner container and reach a first set position, so that the magnetic suction device can suck the valve core, and the valve core is absorbed to the second position to open the water outlet, so that the liquid can be discharged from the water outlet, after the liquid is discharged, the driving device can drive the magnetic suction device to move along the set direction so that the magnetic suction device is far away from the inner container to reach a second set position, because the valve core is positioned in the inner container, when the magnetic suction device is far away from the inner container, the suction force on the valve core can be reduced, when the magnetic suction device reaches the second set position, the suction on the valve core can be released, and then the valve core can be reset to the first position under the action of the resetting device so as to seal the water outlet. The electric cooker is in the use, the heater heats the inner container, therefore the temperature of the inner container is higher, because the distance between the first set position and the inner container is less than the distance between the second set position and the inner container, therefore, the environmental temperature of the second set position can be lower than the environmental temperature of the first set position, the magnetic suction device is located at the first set position which is closer to the inner container and has higher environmental temperature only when the water outlet is needed to open to discharge liquid, the magnetic suction device can be far away from the inner container and reaches the second set position which is farther away from the inner container and has lower environmental temperature after the liquid is discharged, therefore, the magnetic suction device can not be always in a high-temperature state, thereby effectively preventing the aging of the magnetic suction device, and improving the use reliability of the.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

FIG. 1 is a schematic perspective exploded view of an electric rice cooker according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure of an electric rice cooker according to an embodiment of the present invention;

fig. 3 is a schematic view of the operation principle of the drain valve in the electric rice cooker according to the embodiment of the present invention.

Description of reference numerals: 1. a rice cooker shell; 2. a water receiving box; 3. a water inlet; 4. an accommodating space; 5. a cover body; 6. air holes; 7. an inner container; 8. a conical section; 9. a filter structure; 10. a filtration pore; 11. a handle; 12. a cylindrical portion; 13. a valve core; 14. a rotating shaft; 15. a rotating arm; 16. a magnetic attraction device; 17. a motor; 18. a water outlet; 20. a resetting device; 30. a drive device.

Detailed Description

To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides an electric rice cooker, electric rice cooker includes: the electric cooker comprises an electric cooker shell 1, an inner container 7 and a heater, wherein the electric cooker shell 1 is provided with an accommodating space, the inner container 7 is arranged in the accommodating space, the heater is arranged in the accommodating space and used for heating the inner container 7, specifically, the bottom of the inner container 7 is in contact with the heater, the heater is an electric heating element and heats the inner container 7 through electrification heating, a cover body 5 is arranged at the opening at the top of the electric cooker shell 1, the cover body 5 is hinged on the electric cooker shell 1, and in addition, an air hole 6 is formed in the cover body 5.

A filter structure 9 is arranged in the inner container 7, and the filter structure 9 is used for filtering the content in the inner container 7 to filter out the liquid in the content.

The inner container 7 is provided with a drainage structure, the drainage structure comprises a drainage port and a drainage valve, the drainage port is arranged at the bottom of the inner container 7 and used for discharging liquid, the drainage valve comprises a valve core 13, a magnetic suction device 16, a reset device and a driving device, and the valve core 13 is movably arranged in the inner container 7 and is positioned at a first position to close the drainage port.

The driving device is arranged in the accommodating space, the magnetic suction device 16 is connected with the driving device, the driving device is used for driving the magnetic suction device 16 to move along a set direction so that the magnetic suction device 16 can reach a first set position and a second set position, the distance between the first set position and the inner container 7 is smaller than the distance between the second set position and the inner container 7, the magnetic suction device 16 can suck the valve core 13 to the second position to open the water outlet in the state of being located at the first set position, and the magnetic suction device 16 can release the suction on the valve core in the state of being located at the second set position.

A returning means for returning the cartridge to the first position to close the drain port in a state where the magnetic attracting means 16 releases the attraction to the cartridge is formed in the inner container 7.

In the electric cooker in the embodiment, when in use, the contents in the inner container 7 can be filtered through the filtering structure 9 to filter out the liquid in the contents, when the liquid needs to be discharged, the driving device can drive the magnetic suction device 16 to move along the set direction to enable the magnetic suction device 16 to be close to the inner container 7 and reach the first set position, the magnetic suction device 16 can suck the valve core 13, and the valve core 13 is sucked to the second position to open the water outlet, so that the liquid can be discharged from the water outlet, after the liquid is discharged, the driving device can drive the magnetic suction device 16 to move along the set direction to enable the magnetic suction device 16 to be far away from the inner container 7 and reach the second set position, because the valve core is positioned in the inner container 7, the suction force to the valve core can be reduced when the magnetic suction device is far away from the inner container and the suction to the valve core can, and then the valve core can be reset to the first position under the action of the resetting device so as to close the water outlet. When the electric cooker is used, the heater heats the inner container 7, so that the temperature of the inner container 7 is higher, and the distance between the first set position and the inner container 7 is smaller than the distance between the second set position and the inner container 7, so that the environmental temperature of the second set position can be lower than the environmental temperature of the first set position, the magnetic suction device is located at the first set position which is closer to the inner container and has higher environmental temperature only when the water outlet needs to be opened to discharge liquid, and after the liquid is discharged, the magnetic suction device can be far away from the inner container and reaches the second set position which is farther away from the inner container and has lower environmental temperature, so that the magnetic suction device can not be always in a high-temperature state, thereby effectively preventing the aging of the magnetic suction device and improving the use reliability of.

In this embodiment, preferably, the driving device includes a rotating shaft 14 and a rotating arm 15, a first end of the rotating arm 15 is rotatably connected to the rice cooker housing 1 through the rotating shaft 14, the rotating shaft 14 is disposed along a height direction of the inner container 1, the magnetic attraction device 16 is disposed at a second end of the rotating arm 15, and the rotating arm 15 is configured to rotate relative to the rice cooker housing 1 with the rotating shaft 14 as a center to drive the magnetic attraction device 16 to move along a set direction. Therefore, the driving device has simple structure and reliable driving. Of course, the driving device may also be a telescopic device, a sliding device, etc.

In this embodiment, preferably, the driving device further includes a motor 17, an output end of the motor 17 is connected to the rotating shaft 16, and is configured to drive the rotating shaft 16 to rotate around an axis relative to the rice cooker housing 1 so as to drive the magnetic attraction device 16 to move along a set direction. Therefore, the magnetic suction device 16 can be driven to move along the set direction by the driving of the motor 17, so that the labor is saved, and the convenience of the electric cooker is improved. The motor 17 in this embodiment may be a servo motor, the rotating shaft 14 is connected to a motor shaft of the servo motor, further, the magnetic attraction device 16 is fixed on the rotating arm 15 near the front end, and the rotating shaft 14 is connected to the other end of the rotating arm 15.

In this embodiment, the resetting device is preferably a guide channel extending along the height direction of the inner container 7, the first position is located at the lower part of the guide channel, the second position is located at the upper part of the guide channel, and the guide channel is used for sliding matching with the valve core 13 so that the valve core 13 can slide along the guide channel from the second position to the first position under the action of gravity. Therefore, the reset device has simple structure and reliable use. Of course, the return means may also be a return spring.

In this embodiment, it is preferable that the guide channel is tapered, a tip of the taper is located at a bottom of the guide channel, the drain opening is formed at the tip of the taper, and the valve element 13 is a ball. Therefore, the guiding function of the guiding channel is improved, the ball body can accurately roll to the water drainage port under the action of gravity, and the use reliability of the electric cooker is improved. Specifically, the guiding channel is composed of a cylindrical portion 12 and a conical portion 8, the conical portion 8 is a conical portion fitted with a ball, more specifically, an opening is provided at the bottom of the inner container 7 in the present embodiment, and a guiding channel is provided above the opening, the guiding channel can be provided integrally with the inner container 7 or can be provided at the bottom surface of the inner container 7 by welding or the like, and the ball can be an iron ball, further, the portion of the guiding channel far from the opening is the cylindrical portion 12 in the present embodiment, the conical portion is formed by shrinking during the downward extension of the lower end of the cylindrical portion 12, the second position is located in the cylindrical portion 12, and the first position is located in the conical portion.

In this embodiment, the magnetic attracting device 16 is preferably a permanent magnet. Therefore, the magnetic suction device has simple structure and low cost, is not easy to damage and lose efficacy under a high-temperature environment, and improves the reliability of the electric cooker. Of course, the magnetic attraction means 16 may also employ an electromagnet.

The working process of the specific work of the driving device is shown in fig. 3, the rotation direction is shown in the figure, the motor 17 drives the rotating arm 15 to rotate so that the magnetic suction device is close to the inner container, more specifically, the magnetic suction device 16 is close to the cylindrical part 12 of the guide channel, an iron ball at a first position in the conical part 8 enters the cylindrical part 12 under the magnetic suction and reaches a second position, at the moment, the water outlet is opened and liquid is discharged, the motor 17 drives the rotating arm 15 to rotate so that the magnetic suction device is far away from the electric cooker shell 1, at the moment, the magnetic suction device 16 is far away from the iron ball, so that the suction force on the iron ball is reduced, the iron ball rolls along the guide channel under the action of gravity and falls to the first position in the conical part 8, and the water.

The electric cooker casing 1 in this embodiment has a receiving space 4 at the bottom, the driving device is located in the receiving space 4, specifically, the heater is located above the receiving space 4, and the center of the receiving space 4 has a center hole for the guide passage to pass through, and the center hole is provided with a heat insulating material, which may be ABS material.

In this embodiment, preferably, the filtering structure 9 is a filtering net, and the filtering net is disposed in the inner container, so that the filtering structure 9 has a simple structure, is convenient to install, and is reliable to use. Specifically, the filter net may include a tub, a sidewall and a bottom of the tub are provided with filter holes 10, the size of the filter holes 10 is generally smaller than that of the cooking materials (e.g., rice), and moisture may be discharged through the filter holes 10.

Furthermore, the filter screen and the inner container 7 can be detachably connected, so that the filter screen can be detached for cleaning, and the use is convenient. Particularly, the size of filter screen slightly is less than the inner space size of inner container 7, and the filter screen is for directly placing in inner container 7, therefore it can directly take out, and this structure makes the electric rice cooker that this embodiment provided use more convenient, and it can directly take out the filter screen after the thing of cooking has done, and the thing of cooking also can all take out, and it can also conveniently be changed moreover, in addition, before cooking, this filter screen still has the effect of elutriating the thing of cooking.

In this embodiment, the shape of the filter screen corresponds to the inner space of the inner container 7, specifically, the inner container 7 in this embodiment is a cylindrical thin-walled container with an open top, and the inner space thereof is cylindrical, so that the filter screen is also cylindrical, when the filter screen is placed, the outer wall of the filter screen contacts with the inner wall of the inner container 7, and the bottom of the filter screen contacts with the bottom surface of the inner container 7.

In this embodiment, a handle 11, specifically, an arc shape of the handle 11, is disposed on the filter screen, and two ends of the handle are respectively rotatably disposed on the filter screen, so that the filter screen is taken out from the inner container 7 conveniently.

In this embodiment, preferably, a water receiving box 2 is detachably disposed below the electric cooker housing 1, and the water outlet is detachably connected to a water inlet 3 of the water receiving box 2. Therefore, liquid discharged from the water outlet can flow into the water receiving box 2 through the water inlet 3, when the liquid in the water receiving box 2 is more, a user only needs to disassemble the water receiving box 2 and pour out the liquid in the water receiving box, and the use is convenient. Specifically, the inside of the water receiving box 2 in this embodiment is a water receiving cavity, the top of which is provided with a water inlet 3, the guide channel sequentially passes through the heater and the accommodating space 4 from top to bottom, and the lower end water outlet of the guide channel is communicated with the water inlet 3, the water receiving box 2 and the electric rice cooker shell 1 are detachably connected, and specifically, the water outlet and the water inlet 3 can be detachably connected by adopting a bayonet and a buckle mutually matched mode.

This embodiment provides an electric rice cooker when work, at first put the thing of cooking (like rice) on the filter screen, add appropriate amount of water in to interior container 7, then cover lid 5, later start the heater and heat interior container 7, in the in-process that the temperature rose, sugar in the thing of cooking can dissolve out to aquatic, start servo motor this moment and make magnetism inhale the device and be close to the guide way and open the drain valve, owing to there is the filter screen, consequently the thing of cooking can not be along with discharging in the water exhaust in-process, the discharged water is collected through water receiving box 2 at last.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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 at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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 any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An electric rice cooker, characterized in that, the electric rice cooker includes: the electric cooker comprises an electric cooker shell, an inner container and a heater, wherein the electric cooker shell is provided with an accommodating space, the inner container is arranged in the accommodating space, and the heater is arranged in the accommodating space and used for heating the inner container;

a filtering structure is arranged in the inner container and is used for filtering the content in the inner container to filter out the liquid in the content;

the inner container is provided with a drainage structure, the drainage structure comprises a drainage port and a drainage valve, the drainage port is formed in the bottom of the inner container and used for discharging the liquid, the drainage valve comprises a valve core, a magnetic suction device, a reset device and a driving device, and the valve core is movably arranged in the inner container and is positioned at a first position to close the drainage port;

the driving device is arranged in the accommodating space, the magnetic suction device is connected with the driving device, the driving device is used for driving the magnetic suction device to move along a set direction so that the magnetic suction device can reach a first set position and a second set position, the distance between the first set position and the inner container is smaller than the distance between the second set position and the inner container, the magnetic suction device can suck the valve core to the second position to open the water outlet in the state of being located at the first set position, and the magnetic suction device can release the suction on the valve core in the state of being located at the second set position;

the resetting device is formed in the inner container and used for resetting the valve core to the first position to close the water outlet under the condition that the magnetic suction device releases the suction on the valve core.

2. The rice cooker as claimed in claim 1, wherein the driving device comprises a rotation shaft and a rotation arm, a first end of the rotation arm is rotatably connected to the rice cooker housing through the rotation shaft, the rotation shaft is disposed along a height direction of the inner container, the magnetic attraction device is disposed at a second end of the rotation arm, and the rotation arm is configured to rotate with respect to the rice cooker housing around the rotation shaft to drive the magnetic attraction device to move along the set direction.

3. The rice cooker as claimed in claim 2, wherein the driving device further comprises a motor, an output end of the motor is connected with the rotating shaft, and the motor is used for driving the rotating shaft to rotate around an axis relative to the rice cooker casing so as to drive the magnetic attraction device to move along the set direction.

4. The rice cooker of claim 1, wherein the reset means is a guide channel extending along the height direction of the inner container, the first position is located at the lower part of the guide channel, the second position is located at the upper part of the guide channel, and the guide channel is used for sliding fit with the valve core so that the valve core can slide along the guide channel from the second position to the first position under the action of gravity.

5. The rice cooker as claimed in claim 4, wherein the guide channel is tapered, the tip of the taper is located at the bottom of the guide channel, the drain opening is formed at the tip of the taper, and the valve core is a ball.

6. The rice cooker of claim 1, wherein the magnetic attraction means is a permanent magnet.

7. The rice cooker of claim 1, wherein said filter structure is a filter screen disposed in said inner container.

8. The rice cooker of claim 7, wherein said filter screen is removably connected to said inner container.

9. The rice cooker of claim 7, wherein the filter net has a shape corresponding to an inner space of the inner container.

10. The rice cooker as claimed in any one of claims 1 to 9, wherein a water receiving box is detachably disposed below the rice cooker housing, and the water outlet is detachably connected to a water inlet of the water receiving box.

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