CN109091020B

CN109091020B - Steam valve and electric cooker

Info

Publication number: CN109091020B
Application number: CN201811238390.0A
Authority: CN
Inventors: 刘松; 李磊; 夏鹏; 李学珍; 陈伟; 陈亮; 邓志宏; 张源智; 陈艺胜; 黄水波
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2018-10-23
Filing date: 2018-10-23
Publication date: 2024-03-12
Anticipated expiration: 2038-10-23
Also published as: CN109091020A

Abstract

The invention provides a steam valve, which comprises a valve seat and a valve cover arranged on the valve seat, wherein an air inlet is arranged on the valve seat, and an air outlet is arranged on the valve cover, and the steam valve is characterized in that a flow passage for steam to pass through is formed between the air inlet and the air outlet, a foam breaking assembly is arranged on the flow passage, and the foam breaking assembly comprises: the first fan group is arranged in the flow passage, the second fan is arranged outside the flow passage, and the electric cooker is provided with a first fan group and a second fan group. According to the invention, the first fan group and the second fan outside the flow passage are arranged in the steam flow passage, so that the foam breaking and blocking preventing effects are greatly improved.

Description

Steam valve and electric cooker

Technical Field

The invention relates to the technical field of household appliances, in particular to a steam valve and an electric cooker.

Background

At present, current electric cooker structure is including the steam valve subassembly, the steam valve subassembly is used for discharging a kind of deep pot steam on the one hand, and on the other hand still has the function of broken bubble, and electric cooker can produce a large amount of bubbles when working process because of rice water mixture heating boiling, and above-mentioned bubble gets into in the steam valve, can pile up in the gas vent department of steam valve, influences the normal discharge of steam in the pot.

The bubble breaking fan is arranged in the flow channel of the steam in the existing steam valve structure, and the fan is pushed to rotate in the rising process of the steam, so that bubbles mixed in the steam are crushed, and the normal exhaust of the steam valve is ensured.

However, when the electric cooker works in a high-power gear, the phenomenon that the rice water mixture in the cooker enters the steam valve along with bubbles easily occurs, the bubble breaking effect of the fan is affected, the exhaust port of the steam valve is easily blocked, further the pressure in the cooker is increased, the phenomenon of overflow is caused, and the user experience is affected.

Disclosure of Invention

Therefore, the invention aims to overcome the defects that a steam valve of an electric cooker in the prior art is easy to block and the foam breaking effect is poor.

Thereby providing a steam valve and an electric rice cooker.

The utility model provides a steam valve, includes the disk seat and installs valve gap on the disk seat, be provided with the air inlet on the disk seat, be provided with the gas outlet on the valve gap, the steam valve be in the air inlet with the shaping has the runner that is used for steam to pass through between the gas outlet, install broken bubble subassembly on the runner, broken bubble subassembly includes: the first fan group is arranged in the flow passage, and the second fan is arranged outside the flow passage.

Further, the first fan group includes at least one first fan.

Further, the first fan and the transverse section of the flow channel are arranged in parallel.

The foam breaking assembly further comprises a rotating shaft, and the rotating shaft is movably arranged on the flow channel.

Further, a sealing cover is formed at the pipe orifice of the runner far away from the air inlet, and a through hole is formed in the sealing cover.

Further, a clamping groove is formed in the peripheral surface of one end of the rotating shaft, and the rotating shaft is movably clamped in the through hole through the clamping groove.

Further, a chamfer is arranged at the shaft end of the rotating shaft, which is close to the clamping groove, and the rotating shaft is inserted into the through hole through the chamfer.

Further, the first fan group and the second fan are both arranged on the rotating shaft.

Further, the first fan group is fixedly connected to one end, close to the air inlet, of the rotating shaft.

Further, the first fan group is integrally formed at one end, close to the air inlet, of the rotating shaft.

Further, a groove is formed in the shaft end face, far away from the first fan group, of the rotating shaft, a projection which is matched with the groove is formed on the second fan, and the second fan is fixed on the groove through the projection.

Further, the second fan is formed with a fan cover and fan blades arranged on the fan cover, and the fan cover is arranged at the outer end of the runner.

Further, a plurality of overflow holes are formed in the position, close to the second fan, of the flow channel, and the fan cover is arranged at the position of the overflow holes.

Further, the first fan group and the second fan are arranged on the rotating shaft in the same direction.

Further, a backflow inclined plane is formed on the bottom surface of the inner cavity of the valve seat and used for accelerating liquid flow.

Further, a backflow pad is arranged on the bottom surface of the inner cavity of the valve seat, and the backflow pad is used for discharging liquefied gas.

An electric rice cooker, comprising: the steam valve of any one of the above.

The technical scheme of the invention has the following advantages:

1. the invention provides a steam valve, which comprises a valve seat and a valve cover arranged on the valve seat, wherein an air inlet is arranged on the valve seat, an air outlet is arranged on the valve cover, a flow passage for steam to pass through is formed between the air inlet and the air outlet by the steam valve, a foam breaking assembly is arranged on the flow passage, and the foam breaking assembly comprises: the first fan group is arranged in the flow passage, and the second fan is arranged outside the flow passage. According to the invention, the first fan group is arranged in the steam flow channel and rotates under the impact of high-temperature air flow, so that on one hand, bubbles in steam can be broken, on the other hand, a large-block rice water mixture entering the flow channel can be broken to prevent the flow channel from being blocked, and the second fan is arranged outside the flow channel and further breaks bubbles in steam coming out of the flow channel, so that the bubbles are prevented from being generated again by the steam entering the inner cavity of the steam valve, and the bubble breaking effect is greatly improved.

2. In the steam valve provided by the invention, the first fan group comprises at least one first fan, the transverse sections of the first fans and the flow channels are arranged in parallel, and the arrangement of the plurality of first fans can further enhance the foam breaking effect and crush large particles to prevent the flow channels from being blocked.

3. The second fan is arranged outside the flow channel in the steam valve, and the second fan can rotate to accelerate the flow of the air flow in the inner cavity of the steam valve, so that the temperature of the air flow is reduced, the liquefaction of the air flow is accelerated, and the air flow flows back into the electric cooker through the backflow valve.

4. The bubble breaking assembly in the steam valve provided by the invention further comprises a rotating shaft, the first fan group and the second fan are arranged on the rotating shaft, the first fan group and the second fan are arranged in the same direction, the high-temperature air flow impacts the first fan group to rotate so as to directly drive the second fan to rotate, the utilization rate of the air kinetic energy is improved, the rotating speed of the fans can be accelerated, and the bubble breaking and anti-blocking effects are further enhanced.

5. In the steam valve provided by the invention, the rotating shaft is directly clamped in the flow channel through the clamping groove, and the second fan can also be clamped at one end of the rotating shaft through the interference fit of the convex block and the groove, so that the steam valve is simple in structure and convenient to install.

6. According to the steam valve provided by the invention, the backflow inclined plane is formed on the bottom surface of the inner cavity of the valve seat, so that liquefied gas can be accelerated to flow back into the electric cooker.

7. The electric cooker provided by the invention has the steam valve assembly provided by the invention, so that the phenomenon of pot overflow is effectively reduced, and the user experience can be greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a partial cross-sectional view of a steam valve provided in a first embodiment of the invention;

FIG. 2 is a cross-sectional view of a valve seat in a steam valve provided in a first embodiment of the invention;

FIG. 3 is a half cross-sectional view of a steam valve provided in a first embodiment of the invention;

FIG. 4 is a schematic view of a structure of a rotating shaft in a steam valve according to a first embodiment of the present invention;

fig. 5 is a schematic structural view of a second fan in the steam valve according to the first embodiment of the present invention.

Reference numerals illustrate:

1-valve seat; 11-air inlet; 12-flow channel; 121-a cover; 122-through holes; 123-overflow aperture;

2-a valve cover; 21-an air outlet;

3-a foam breaking assembly; 31-a first fan set; 32-a second fan; 33-rotating shaft; 321-fan cover; 322-fan blades; 323-bumps; 331-a clamping groove; 332-chamfering; 333-grooves;

4-reflow pad.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Example 1

As shown in fig. 1 to 5, a steam valve according to the present embodiment includes: disk seat 1 and lock are in valve gap 2 on the disk seat 1, the shaping has air inlet 11 on the disk seat 1, the shaping has gas outlet 21 on the valve gap 2, the steam valve be in the air inlet 11 with the shaping has the runner 12 that is used for steam to pass through between the gas outlet 21, install broken bubble subassembly 3 on the runner 12, broken bubble subassembly 3 includes: a first fan group 31 disposed in the flow path 12 and a second fan 32 disposed outside the flow path 12.

In this embodiment, the first fan group 31 is disposed in the flow channel 12, and the first fan group 31 rotates under the impact of high-temperature air flow, so that bubbles in steam are broken, and a large-block rice-water mixture entering the flow channel 12 can be broken, so that the flow channel is prevented from being blocked, the second fan 32 is further disposed outside the flow channel 12, the steam coming out of the flow channel 12 is further broken, the steam entering the inner cavity of the steam valve is prevented from generating bubbles again, and the foam breaking effect is greatly improved.

As shown in fig. 1, the first fan set 31 in this embodiment includes a first fan, the first fan is installed at the air inlet 11, the first fan is disposed parallel to the transverse cross section of the flow channel 12, and the high-temperature steam entering at the air inlet 11 can directly impact on the blades of the first fan to push the first fan to rotate.

In this embodiment, the first fan is directly formed on the rotating shaft 33 in the foam breaking assembly 3, a clamping groove 331 is formed on a circumferential surface of one end of the rotating shaft 33, a sealing cover 121 is formed at a position of the runner 12 away from the pipe orifice of the air inlet 11, a through hole 122 is formed on the sealing cover 121, the rotating shaft 33 is movably clamped in the through hole 122 through the clamping groove 331, specifically, a shaft end provided with the clamping groove 331 is directly pressed into the through hole 122 under the action of external force, and the diameter of the through hole 122 is smaller than that of the rotating shaft 33. In order to reduce the preassembly force, a chamfer 332 is machined on the shaft end of the rotating shaft 33 near the clamping groove 331, and the rotating shaft 33 penetrates into the through hole 122 under the guiding action of the chamfer 332.

In other embodiments, the first fan may be mounted on the rotating shaft 33 as a separate component, and in particular, the first fan may be provided with a mounting hole at a central position thereof, and mounted on the rotating shaft 33 through an interference fit between the mounting hole and the rotating shaft 33.

In other embodiments, a plurality of first fans may be formed or mounted on the rotating shaft 33 side by side, and the arrangement of the plurality of first fans may further enhance the foam breaking effect and break up large particles to prevent the flow passage 12 from being blocked.

In this embodiment, the foam breaking assembly further includes a second fan 32, wherein a groove 333 is formed on an end surface of the rotating shaft 33 away from the first fan set 31, a protrusion 323 cooperating with the groove 333 is formed on the second fan 32, and the second fan 32 is mounted on the groove 333 through the protrusion 323 in an interference fit. Further, the second fan 32 is formed with a fan cover 321, the fan cover 321 is provided with a special hole, and the fan blades 322 are formed at the special hole in a direction away from the axis of the fan cover 321.

In this embodiment, the first fan set 31 and the second fan 32 are both fixed on the rotating shaft 33, and the first fan set 31 and the second fan 32 are set in the same direction, that is, the first fan and the second fan 32 are the same in blade rotation direction, and the high-temperature airflow impacts the first fan set 31 to rotate so as to directly drive the second fan 32 to rotate, thereby improving the utilization rate of the kinetic energy of the air, accelerating the rotation speed of the fans, and further enhancing the foam breaking and anti-blocking effects. Meanwhile, the rotation of the second fan 32 can accelerate the airflow in the inner cavity of the steam valve, which is beneficial to reducing the temperature of the airflow, accelerating the liquefaction of the airflow, and then flowing back into the electric cooker through the backflow valve.

In this embodiment, the flow channel 12 is provided with an overflow hole 123 near the second fan 32, and the air flow coming in from the air inlet 11 enters the flow channel 12, flows through the first fan set, and flows out from the overflow hole 123, wherein the fan cover 321 is covered at the overflow hole 123, so that the air flow flowing out from the overflow hole 123 directly acts on the fan blades 322 on the fan cover 321, and further pushes the second fan 32 to rotate.

In this embodiment, a backflow slope is formed on the bottom surface of the inner cavity of the valve seat 1, and the liquefied gas under the action of the second fan 32 can return to the electric cooker as soon as possible through the acceleration action of the backflow slope, wherein a backflow pad 4 is disposed on the bottom surface of the inner cavity of the valve seat 1 at a position close to the air inlet 11, and the backflow pad 4 is opened under the gravity action of the liquefied gas to discharge the liquefied gas.

Example 2

The embodiment provides an electric cooker, which includes the steam valve described in the above embodiment 1, and has all technical advantages of the steam valve, and will not be described in detail herein.

The steam valve is arranged on the pot cover.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims

1. The utility model provides a steam valve, includes disk seat (1) and installs valve gap (2) on disk seat (1), be provided with air inlet (11) on disk seat (1), be provided with gas outlet (21) on valve gap (2), its characterized in that, the steam valve be in air inlet (11) with the shaping has runner (12) that are used for steam to pass through between gas outlet (21), install on runner (12) broken bubble subassembly (3), broken bubble subassembly (3) include: a first fan group (31) disposed in the flow path (12), and a second fan (32) disposed outside the flow path (12);

the foam breaking assembly (3) further comprises a rotating shaft (33), the rotating shaft (33) is movably arranged on the flow channel (12), and the rotating shaft (33) is positioned in a steam cavity of the steam valve;

the first fan group (31) and the second fan (32) are arranged on the rotating shaft (33);

the first fan group (31) is fixedly connected to one end, close to the air inlet (11), of the rotating shaft (33); the second fan (32) is fixedly connected to one end, far away from the air inlet (11), of the rotating shaft (33);

the rotating shaft (33) is far away from the shaft end face of the first fan group (31), a groove (333) is formed in the shaft end face of the second fan (32), a protruding block (323) which is matched with the groove (333) is formed in the second fan (32), and the second fan (32) is fixed on the groove (333) through the protruding block (323).

2. The steam valve according to claim 1, characterized in that the first fan group (31) comprises at least one first fan.

3. A steam valve according to claim 2, characterized in that the first fan is arranged parallel to the transverse cross-section of the flow channel (12).

4. The steam valve according to claim 1, characterized in that a sealing cover (121) is formed at a pipe orifice of the runner (12) far away from the air inlet (11), and a through hole (122) is formed in the sealing cover (121).

5. The steam valve according to claim 4, wherein a clamping groove (331) is formed in a peripheral surface of one end of the rotating shaft (33), and the rotating shaft (33) is movably clamped in the through hole (122) through the clamping groove (331).

6. The steam valve according to claim 5, characterized in that a chamfer (332) is provided at the shaft end of the shaft (33) near the clamping groove (331), and the shaft (33) is inserted into the through hole (122) through the chamfer (332).

7. A steam valve according to claim 1, characterized in that the first fan group (31) is integrally formed on the shaft (33) near one end of the air inlet (11).

8. The steam valve according to claim 1, wherein the second fan (32) is formed with a fan cover (321) and fan blades (322) provided on the fan cover (321), and the fan cover (321) is covered on the outer end of the flow passage (12).

9. The steam valve according to claim 8, characterized in that the flow passage (12) is provided with a plurality of overflow holes (123) near the second fan (32), and the fan cover (321) is covered at the overflow holes (123).

10. A steam valve according to any of claims 8-9, characterized in that the first fan group (31) and the second fan (32) are co-rotating arranged on the shaft (33).

11. A steam valve according to any one of claims 1-9, characterized in that the bottom surface of the inner chamber of the valve seat (1) is formed with a backflow slope for accelerating the flow of liquid.

12. A steam valve according to claim 11, characterized in that a return cushion (4) is provided on the bottom surface of the inner chamber of the valve seat (1), the return cushion (4) being intended to discharge liquefied gas.

13. An electric rice cooker, comprising:

the steam valve of any one of claims 1 to 12.