CN112426014B

CN112426014B - Draining device and electric rice steamer with same

Info

Publication number: CN112426014B
Application number: CN202011301236.0A
Authority: CN
Inventors: 李鑫; 田忠良
Original assignee: Hangzhou Xiangtian Technology Co ltd
Current assignee: Hangzhou Xiangtian Technology Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2022-12-06
Anticipated expiration: 2040-11-19
Also published as: CN112426014A

Abstract

The invention provides a draining device and an electric rice steamer with the draining device. The water storage component comprises a container body and a built-in part which is arranged in the container body in a separable mode, and a draining hole is formed in the bottom of the container body. The shutoff subassembly includes shutoff piece and elastic connecting piece, and the shutoff piece passes through elastic connecting piece to be connected in built-in, and the gravity of built-in and the gravity compression elastic connecting piece of this internal water of container, elastic connecting piece's restoring force act on the shutoff piece so that shutoff piece normal close waterlogging caused by excessive rainfall hole. The water outlet pipe is connected with the draining holes. The ejector pin subassembly includes driving piece and push rod, and the push rod stretches into in the play water pipe and extends to the waterlogging caused by excessive rainfall hole, and the push rod pushes away the shutoff piece under the effect of driving piece in order to open the waterlogging caused by excessive rainfall hole, and the play water end of outlet pipe is located one side of ejector pin subassembly, and it is inside that the ejector pin subassembly is not flowed through to go out water.

Description

Draining device and electric rice steamer with same

Technical Field

The invention relates to the field of household appliances, in particular to a draining device and an electric rice steamer with the draining device.

Background

In the field of household appliances, many household appliances need to be drained, such as washing machines, dish washing machines, electric rice cookers capable of making rice in a rice steamer and the like. At present, the drainage of water storage container among these equipment mainly relies on the solenoid valve to realize, and the solenoid valve utilizes the magnetic core to promote the silica gel motion rather than its integral type is connected so that silica gel opens or the terminal surface in shutoff waterlogging caused by excessive rainfall hole realizes waterlogging caused by excessive rainfall and water storage, and silica gel's leakproofness is decided by the magnetic core completely. When draining, the magnetic core pushes the silica gel to be separated from the end face of the draining hole, a narrow water flow gap is formed between the silica gel and the end face of the draining hole, and water in the water storage container enters the electromagnetic valve through the narrow water flow gap and is discharged through the electromagnetic valve. For the electric rice steamer, water after rice soaking can contain broken rice grains with small diameters, and the broken rice grains are easy to block narrow water flow gaps or electromagnetic valve internal gaps during draining, so that silica gel cannot block the end face of a draining hole after draining is finished, and water leakage is caused.

Furthermore, because water enters the electromagnetic valve during draining, the water after rice soaking in the electric rice steamer contains a lot of starch, and the starch can be deposited in the electromagnetic valve; and the valve body is inside to be blockked by silica gel and the inner structure of solenoid valve is very complicated, hardly washs, thereby can breed a large amount of bacteriums after long-time the use and influence the health of whole equipment. Also, in the case of the dishwasher, foreign substances in the washing water may clog and contaminate the solenoid valve.

Disclosure of Invention

The invention provides a draining device which is smooth in draining, free of blockage and easy to clean and an electric rice steamer with the draining device, aiming at overcoming the problems that an electromagnetic valve in the existing household appliance is easy to block and pollute in draining.

In order to achieve the purpose, the invention provides a draining device which comprises a water storage assembly, a plugging assembly, a water outlet pipe and a top rod assembly. The water storage component comprises a container body and a built-in part which is arranged in the container body in a separable mode, and a draining hole is formed in the bottom of the container body. The shutoff subassembly includes shutoff piece and elastic connecting piece, and the shutoff piece passes through elastic connecting piece to be connected in built-in, and the gravity of built-in and the gravity compression elastic connecting piece of this internal water of container, elastic connecting piece's restoring force act on the shutoff piece so that shutoff piece normal close waterlogging caused by excessive rainfall hole. The water outlet pipe is connected with the draining hole. The ejector pin subassembly includes driving piece and push rod, and the push rod stretches into in the play water pipe and extends to the waterlogging caused by excessive rainfall hole, and the push rod pushes away the shutoff piece under the effect of driving piece in order to open the waterlogging caused by excessive rainfall hole, and the play water end of outlet pipe is located one side of ejector pin subassembly, and it is inside that the ejector pin subassembly is not flowed through to go out water.

According to an embodiment of the invention, the elastic connecting piece comprises a spring fixing seat and a spring, one end of the spring is arranged on the spring fixing seat, and the other end of the spring is connected to the plugging piece.

According to an embodiment of the present invention, the elastic connector further includes a piston, the piston is slidably sleeved on the spring fixing seat and forms an accommodating space between the spring fixing seats, the spring is disposed in the accommodating space and has one end fixed to the spring fixing seat and the other end connected to the piston, and the plugging member is connected to the piston.

According to an embodiment of the invention, the blocking piece comprises a main body part and an elastic sealing part arranged at the edge of the main body part, the main body part is in an arch shape which is bent towards one side of the inward placing piece, and the elastic sealing part blocks a gap between the main body part and the draining hole.

According to an embodiment of the present invention, the push rod assembly further includes a connecting seat and a sealing ring, the connecting seat is sleeved outside the push rod, the push rod moves in the connecting seat, and the sealing ring seals a gap between the push rod and the connecting seat.

According to an embodiment of the present invention, the water outlet pipe is a three-way pipe, the first port of the water outlet pipe is connected to the draining hole, the connecting seat and the push rod extend into the draining hole through the second port of the water outlet pipe, the bottom of the connecting seat plugs the second port of the water outlet pipe, and after the plugging member is opened, water in the container body flows to the third port of the water outlet pipe through the draining hole.

According to an embodiment of the invention, the second port is coaxial with the first port and the axis of the third port, which is the outlet end, is perpendicular to the second port in the tee.

According to an embodiment of the invention, the driving member is fixed at the bottom of the connecting seat along the axial direction of the push rod, and the output shaft of the driving member is coaxially connected to the push rod;

or the driving piece is fixed at the bottom of the connecting seat along the axial direction perpendicular to the push rod, and the driving piece drives the push rod to move through the transmission piece.

According to an embodiment of the present invention, the push rod includes a push shaft and a screw rod, the push shaft is sleeved outside the screw rod and is threadedly connected to the screw rod, and the screw rod is connected to the driving member.

On the other hand, the invention also provides the electric rice steamer with the draining device, which comprises the draining device, wherein the container body is a pot body, and the built-in part is a grate placed in the pot body.

In summary, in the draining device and the electric rice steamer with the draining device provided by the invention, the plugging component and the ejector rod component are split mechanisms, the plugging piece is connected in the built-in piece through the elastic connecting piece, the gravity of the built-in piece and the gravity of water in the container body compress the elastic connecting piece, and the resilience force of the elastic connecting piece is applied to the plugging piece so as to normally close the draining hole; the sealing performance of the plugging piece is increased along with the increase of the water amount in the container body, so that the self-locking sealing is realized, and the sealing device has good sealing performance. And when the waterlogging caused by excessive rainfall, ejector pin subassembly pushes up the shutoff piece in order to open the waterlogging caused by excessive rainfall hole, and water flows through the outlet pipe that connects the waterlogging caused by excessive rainfall hole. Split type shutoff subassembly and ejector pin subassembly have not only realized that the auto-lock of shutoff piece is sealed, have improved sealing performance greatly, and split type structure has also simplified connection structure between the two greatly simultaneously, and even impurity such as the broken rice grain is difficult for blockking up and also is cleared up very easily at the elastic connection piece periphery even there is impurity deposit, uses convenience very. The plugging component connected with the built-in part is separated from the container body along with the built-in part, so that the cleaning of the plugging component is greatly facilitated.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a schematic structural view of a draining device according to an embodiment of the present invention.

Fig. 2 is an exploded view of the drain device shown in fig. 1.

Fig. 3 is a schematic cross-sectional view of the draining device shown in fig. 1 in a water storage state.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Fig. 5 is a schematic sectional view of the draining device shown in fig. 1 in a draining state.

Fig. 6 is an enlarged schematic view of B in fig. 5.

Fig. 7 is a schematic structural view of the electric rice steamer according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 4, the draining device provided in this embodiment includes a water storage assembly 1, a plugging assembly 2, a water outlet pipe 3 and a push rod assembly 4. The water storage assembly 1 includes a container body 11 and a built-in member 12 detachably disposed in the container body 11, and a drain hole 111 is formed at the bottom of the container body 11. The plugging component 2 comprises a plugging piece 21 and an elastic connecting piece 22, the plugging piece 21 is connected to the built-in piece 12 through the elastic connecting piece 22, the elastic connecting piece 22 is compressed by the gravity of the built-in piece 12 and the gravity of water in the container body 11, and the restoring force of the elastic connecting piece 22 acts on the plugging piece 21 to enable the plugging piece 21 to be normally closed with the drainage holes 111. The water outlet pipe 3 is connected to the drain hole 111. The push rod assembly 4 comprises a driving part 41 and a push rod 42, the push rod 42 extends into the water outlet pipe 3 and extends to the draining hole 111, and the push rod 42 pushes the plugging part 21 under the action of the driving part 41 to open the draining hole 111. The water outlet end of the water outlet pipe 3 is positioned at one side of the ejector rod component 4, and the outlet water does not flow through the inside of the ejector rod component 4.

In the draining device provided by this embodiment, the blocking piece 21 is connected to the built-in piece 12 through the elastic connecting piece 22, when the built-in piece 12 is placed in the container body 11, the gravity of the built-in piece 12 can compress the elastic connecting piece 22, and the elastic connecting piece 22 generates a downward restoring force to compress the blocking piece 21 in the draining hole 111, so as to block the draining hole 111. And the more the elastic connection member 22 is elastically deformed, the greater the plugging pressure it exerts on the plugging member 21 and the better the sealing performance will be, as the amount of water in the container body 11 increases. That is, the sealing performance of the draining device provided by the embodiment can be increased along with the increase of the water amount in the container body 11, so that the self-locking sealing is realized. In addition, the separate arrangement of the plugging piece 21 and the ejector rod assembly 4 also greatly facilitates the cleaning of the plugging piece 21, thereby avoiding the pollution of impurity-containing water such as rice soaking water or dish washing water on the plugging piece 21 and the ejector rod assembly 4; meanwhile, the separated arrangement greatly simplifies the connecting structure between the two. Further, in the drain device that this embodiment provided, the play water end of outlet pipe 3 is located one side of ejector pin subassembly 4, and this setting makes the water that the waterlogging caused by excessive rainfall hole drips can not flow into the inside of ejector pin subassembly 4, has ensured electrified ejector pin subassembly 4's safety, has also solved the inside difficult abluent problem of current drain valve simultaneously.

In this embodiment, as shown in fig. 2 to 4, the elastic connecting element 22 includes a spring fixing seat 221, a spring 222 and a piston 223, the piston 223 is slidably sleeved on the spring fixing seat 221 and forms an accommodating space 220 between the spring fixing seat 221, the spring 222 is disposed in the accommodating space 220 and has one end fixed on the spring fixing seat 221 and the other end connected to the piston 223, and the blocking element 21 is connected to the piston 223. The piston 223 guides the moving direction of the spring 222 in the compression or recovery process, so that radial shaking of the spring 222 in the moving process is avoided, and the plugging piece 3 can be ensured to be stably sealed or the draining hole 111 can be opened. However, the present invention is not limited in this respect. In other embodiments, the elastic connecting element may not include a piston, and the blocking element is directly connected to the other end of the spring away from the spring fixing seat.

In this embodiment, as shown in fig. 3 to 4, the blocking piece 21 includes a main body portion 211 and an elastic sealing portion 212 disposed at an edge of the main body portion 211, the main body portion 211 is in an arch shape bent toward a side where the inwardly-disposed piece 12 is located, and the elastic sealing portion 222 blocks a gap between the main body portion 221 and the drain hole 111. The arched main body 211 transmits the resilient force of the spring 222 to the elastic sealing part 212 in the arched direction so that the elastic sealing part 212 can tightly seal the drainage holes 111, and the arched main body 211 has a very good load-bearing capacity, so that the main body 211 is not deformed to affect the sealing effect of the elastic sealing part 212 even if the water in the container body 11 is large. Preferably, the elastic sealing portion 212 is a silicone sealing ring, and the elastic sealing portion 212 has a hemispherical arc sealing surface. However, the present invention is not limited in this respect.

In the present embodiment, as shown in fig. 2 and 3, the push rod assembly 4 further includes a connecting seat 43 and a sealing ring 44, the connecting seat 43 is sleeved outside the push rod 42, the push rod 42 moves in the connecting seat 43, and the sealing ring 44 seals a gap between the push rod 42 and the connecting seat 43. Since the push rod 42 is extended along the water outlet pipe 3 to the position of the draining hole 111, the water drained by the draining device contacts the push rod 42. The arrangement of the connecting seat 43 and the sealing ring 44 prevents water from entering the driving member 41 along the push rod, ensuring the waterproof and safety of the driving member 41. In this embodiment, the water outlet pipe 3 is a three-way pipe, the first port 31 of the water outlet pipe is connected to the draining hole 111, the first port 31 and the second port 32 of the water outlet pipe are coaxial, the connecting seat 43 and the push rod 42 extend into the draining hole 111 through the second port 32 of the water outlet pipe, the bottom of the connecting seat 43 seals the second port 32 of the water outlet pipe, after the sealing member 21 is opened, the water in the container body 11 flows to the third port 33 of the water outlet pipe through the draining hole 111, and the path of the water flow is shown by an arrow K in fig. 5 and 6. However, the present invention is not limited thereto.

In this embodiment, the second port 32 is coaxial with the first port 31, and the axis of the third port 33, which is the outlet end, is perpendicular to the second port 32. However, the present invention is not limited in this respect. In other embodiments, the second port may be coaxially connected to the first port, and the second port is perpendicular to the first port, in this case, the driving member 41 is fixed to the bottom of the connecting seat 43 along the axial direction of the push rod 42, and the driving member 41 realizes the up-and-down movement of the push rod 43 in the first port through the transmission of the worm wheel and the worm.

In the present embodiment, as shown in fig. 3, the driving element 41 is fixed to the bottom of the connecting seat 43 along the axial direction of the push rod 42, and the output shaft of the driving element 41 is coaxially connected to the push rod 42. However, the present invention is not limited thereto. In other embodiments, the driving member may also be fixed to the bottom of the connecting seat along an axial direction perpendicular to the push rod, and the driving member changes a transmission direction through a transmission member of the worm wheel and the worm to drive the push rod to move up and down. Especially, when the water outlet pipe is a straight pipe with two ends, the driving piece is fixed at the bottom of the connecting seat along the axial direction vertical to the push rod and can be kept away from the water outlet hole on the connecting seat.

In this embodiment, as shown in fig. 3, the push rod 42 includes a push shaft 422 and a screw rod 421, the push shaft 422 is sleeved outside the screw rod 421 and is threadedly connected to the screw rod 421, the screw rod 421 is connected to the driving member 41 through a connecting sleeve 423 and is lifted into the connecting seat 43, and the screw rod 421 is further fixed to the bottom of the connecting seat 43 through a screw rod fixing piece 424 to avoid shaking during the rotation process, so as to improve the driving stability of the push shaft 422. The driving member 41 drives the pushing shaft 422 to move up and down along the connecting seat 43 through the screw 421 to open the blocking member 21. In the present embodiment, the driving member 41 is a motor.

Correspondingly, the embodiment also provides an electric rice steamer, which comprises the draining device 10 provided by the embodiment, the container body 11 is a pot body, the built-in part 12 is a grate which is arranged in the pot body when being separated, and the blocking part 21 is connected to the grate through the elastic connecting part 22. However, the present invention is not limited in its application to a draining device. In other embodiments, the draining device provided by the invention can be also used for dishwashers, washing machines and other electric appliances needing draining.

The electric rice steamer provided by the embodiment also comprises a heating element 20 arranged at the bottom of the container body 11 and a cooker cover 30 covering the upper part of the container body 11, and the cooker cover is provided with steam holes. The using method of the electric rice steamer comprises the following steps: first, the perforated strainer (the built-in member 21) is put into the pot body (the container body 11), and the plugging member 21 closes the drainage holes 111. Then, the food material is put into the perforated strainer and water is added into the pot body to submerge the food material on the perforated strainer, the pot cover 30 is covered, and the food material is soaked and absorbs water. Heating element 20 may or may not be heated during this immersion. After the rice soaking time meets the set requirement, the driving part 41 is opened, the driving part 41 drives the screw 421 to rotate so that the pushing shaft 422 moves upwards along the draining holes 111 and jacks up the plugging part 21, and water in the pot body is discharged from the third port of the water outlet pipe 3 to realize draining. After draining, a certain amount of water is reserved in the pot body, the heating element 20 heats the residual water in the pot body to generate steam to steam food materials on the grate, and the steam is discharged from the steam holes in the pot cover 30.

In order to further improve the taste of the rice, a water inlet hole can be arranged on the pot body or the pot cover and is communicated with an external water inlet pipe so as to realize automatic water inlet. The arrangement of the water inlet holes enables the food materials on the perforated strainer to be soaked for multiple times, for example, the food materials are soaked by water again or multiple times after the food materials are steamed for a period of time, water supplement in the steaming process is achieved, and the rice is guaranteed to absorb water fully. In addition, when the residual water after rice soaking is heated to generate steam, the rice soaking water contains a lot of starch, the starch generates a lot of bubbles after heating, and the bubbles rise to gelatinize the cooked rice at the bottom layer of the perforated strainer, thereby affecting the taste of the cooked rice at the bottom layer. And the arrangement of the water inlet hole ensures that clean or purified water can be adopted for steaming in the steaming process, thereby well solving the problem that the rice at the bottom layer is easy to gelatinize.

In summary, in the draining device and the electric rice steamer with the draining device provided by the invention, the plugging component and the ejector rod component are split mechanisms, the plugging piece is connected in the built-in piece through the elastic connecting piece, the gravity of the built-in piece and the gravity of water in the container body compress the elastic connecting piece, and the resilience force of the elastic connecting piece is applied to the plugging piece so as to normally close the draining hole; the sealing performance of the plugging piece is increased along with the increase of the water quantity in the container body, so that the self-locking sealing is realized, and the sealing performance is good. And when the waterlogging caused by excessive rainfall, ejector pin subassembly pushes up the shutoff piece in order to open the waterlogging caused by excessive rainfall hole, and water flows through the outlet pipe that connects the waterlogging caused by excessive rainfall hole. Split type shutoff subassembly and ejector pin subassembly have not only realized that the auto-lock of shutoff piece is sealed, have improved sealing performance greatly, and split type structure has also simplified connection structure between the two greatly simultaneously, and even impurity such as the broken rice grain is difficult for blockking up and also is cleared up very easily at the elastic connection piece periphery even there is impurity deposit, uses convenience very. The plugging component connected with the built-in part is separated from the container body along with the built-in part, so that the cleaning of the plugging component is greatly facilitated.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A draining device, comprising:

the water storage assembly comprises a container body and a built-in part which is arranged in the container body in a separable mode, a certain space is formed between the built-in part and the container body, and a water draining hole is formed in the bottom of the container body;

the plugging component comprises a plugging piece and an elastic connecting piece, wherein the elastic connecting piece is connected to one side, close to the draining hole, of the built-in piece, the plugging piece is connected to the built-in piece through the elastic connecting piece, the elastic connecting piece is compressed by the gravity of the built-in piece and the gravity of water in the container body, the deformation of the elastic connecting piece is increased along with the increase of the weight on the built-in piece, and the restoring force of the elastic connecting piece acts on the plugging piece to enable the plugging piece to be normally closed and seal the draining hole in a self-locking mode;

the water outlet pipe is connected with the draining holes;

ejector pin subassembly, be split type structure including driving piece and push rod and ejector pin subassembly and shutoff subassembly, the push rod stretches into in the outlet pipe and extends to the waterlogging caused by excessive rainfall hole, and the push rod pushes away the shutoff piece in order to open the waterlogging caused by excessive rainfall hole under the effect of driving piece, and the play water end of outlet pipe is located one side of ejector pin subassembly, and it is inside that the ejector pin subassembly does not flow through to go out water.

2. The draining device according to claim 1, wherein the elastic connecting member comprises a spring fixing seat and a spring, one end of the spring is arranged on the spring fixing seat, and the other end of the spring is connected to the plugging member.

3. The draining device according to claim 2, wherein the elastic connecting piece further comprises a piston, the piston is slidably sleeved on the spring fixing seats, an accommodating space is formed between the spring fixing seats, the spring is arranged in the accommodating space, one end of the spring is fixed on the spring fixing seat, the other end of the spring is connected to the piston, and the blocking piece is connected to the piston.

4. The draining device according to claim 1, wherein said sealing member comprises a main body and an elastic sealing member disposed at the edge of the main body, said main body is in the shape of an arch curving towards the side where the embedded member is located, and the elastic sealing member seals the gap between the main body and the draining hole.

5. The draining device according to claim 1, wherein the push rod assembly further comprises a connecting seat and a sealing ring, the connecting seat is sleeved outside the push rod, the push rod moves in the connecting seat, and the sealing ring seals a gap between the push rod and the connecting seat.

6. The draining device of claim 5, wherein the water outlet pipe is a tee pipe, the first port of the water outlet pipe is connected to the draining hole, the connecting seat and the push rod extend into the draining hole through the second port of the water outlet pipe, the bottom of the connecting seat blocks the second port of the water outlet pipe, and after the blocking piece is opened, water in the container body flows to the third port of the water outlet pipe through the draining hole.

7. The draining device according to claim 6 wherein the tee has a second port coaxial with the first port and a third port as the outlet end having an axis perpendicular to the axis of the second port.

8. The draining device according to claim 5, wherein the driving member is fixed to the bottom of the connecting seat along the axial direction of the push rod, and the output shaft of the driving member is coaxially connected to the push rod;

or the driving piece is fixed at the bottom of the connecting seat along the axial direction perpendicular to the push rod and drives the push rod to move through the transmission piece.

9. The draining device according to claim 1, wherein the pushing rod comprises a pushing shaft and a screw rod, the pushing shaft is sleeved outside the screw rod and is in threaded connection with the screw rod, and the screw rod is connected with the driving member.

10. An electric rice steamer with a draining device, which is characterized by comprising the draining device as claimed in any one of claims 1 to 9, wherein the container body is a pot body, and the built-in part is a grate placed in the pot body.