CN218852442U

CN218852442U - Waterway structure for household appliance and cooking equipment

Info

Publication number: CN218852442U
Application number: CN202222572374.3U
Authority: CN
Inventors: 刘子厚; 于群
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-04-14
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to a waterway structure and cooking equipment for domestic appliance, including the water tank that has the delivery port and the inner bag that has the water inlet, this water inlet and above-mentioned delivery port fluid intercommunication, be provided with water supply connector on the water inlet of inner bag, this water supply connector's play water interface is linked together with above-mentioned water inlet, and is provided with the round trip movement that can this play water interface relatively among this water supply connector and opens and close the moving member of this play water interface, and this moving member can be with the oral margin relative slip of certain coefficient of friction and play water interface. The utility model discloses can realize the control of opening and close to going out water interface, and then realize the control of opening and close to the water inlet, in addition, can strike off the incrustation scale of deposit at play water interface department, and then avoid the incrustation scale deposit and block up out water interface.

Description

Waterway structure for household appliance and cooking equipment

Technical Field

The utility model relates to a cooking equipment field especially relates to a waterway structure and cooking equipment for domestic appliance.

Background

The cooking equipment with the steaming function such as the steam box, the steam oven and the like can input steam into the inner container through the external steam generator, the steam heats food placed in the inner container to heat the food, or the water in the water tank is directly introduced into the inner container, and the built-in steam generator in the inner container is utilized to directly heat the water in the inner container to generate the steam for heating the food. For example, chinese utility model patent No. ZL 202022216849.6 (publication No. CN 214760636U), chinese invention patent No. ZL 202110119181.X (publication No. CN 112704387B), chinese utility model patent No. ZL 202120249192.5 (publication No. CN 215190896U), and the like.

However, since water quality varies from place to place, when calcium and magnesium ions in water are large, scale is very likely to be generated in a water passage system of the cooking device. And, because the water inlet is generally seted up on cooking equipment's inner bag lateral wall, the bore of water inlet is generally less, uses the back like this for a long time, and the incrustation scale can gather in the water inlet and lead to the water inlet to block up, and then makes during water can't get into the inner bag smoothly, influences cooking equipment's normal use.

Disclosure of Invention

The utility model aims to solve the first technical problem that a waterway structure for household appliance that can open and close inner bag water inlet and can avoid this water inlet of incrustation scale jam is provided to prior art.

The utility model aims to solve the second technical problem that provide one kind can the self-adaptation open and close inner bag water inlet and can avoid the incrustation scale to block up the waterway structure for domestic appliance of this water inlet to prior art.

The utility model aims to solve the third technical problem that a cooking device with above-mentioned waterway structure is provided to prior art.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: a waterway structure for household appliances comprises a water tank with a water outlet and a liner with a water inlet, wherein the water inlet is in fluid communication with the water outlet.

Furthermore, the aperture of the water outlet interface is smaller than the water inlet of the inner container and is arranged along the central axis direction of the water inlet. On one hand, the water outlet interface is better communicated with the water inlet, and on the other hand, the scale separated from the opening edge of the water outlet interface can be prevented from being deposited on the water inlet again.

Furthermore, the water inlet joint is provided with a horizontally extending water inlet channel, the water outlet interface is positioned at the first end of the water inlet channel, the side wall of the water inlet channel is provided with a water inlet interface, the moving piece is accommodated in the water inlet channel and comprises a horizontally extending first part and a vertically arranged second part,

wherein the first part is a rod piece which can be inserted in the water outlet interface, the rod piece can move back and forth relative to the water outlet interface to open and close the water outlet interface, the second part is arranged in the water inlet channel in a separating way and can move back and forth between the water outlet interface and the second end part of the water inlet channel, a cavity with the inner pressure always equal to the atmospheric pressure is enclosed by the second part and the second end of the water inlet channel, and a horizontally extending return spring is arranged between the second part and the second end wall of the water inlet channel,

in the initial state, the return spring is in a natural state, the first part of the moving part closes the water outlet interface, in the state that the water inlet interface of the water inlet joint is communicated with water, the second part of the moving part moves towards the second end direction of the water inlet channel, the first part of the moving part opens the water outlet interface, and the return spring is compressed to enable the first part to have the tendency of moving towards the water outlet interface direction to close the water outlet interface. The self-adaptive control of the moving piece to the water outlet interface can be realized through the on-off water control of the water inlet joint, specifically, water flow enters the water inlet channel through the water inlet interface, so that pressure difference is formed on two sides of the second part of the moving piece to enable the second part to move towards the direction of the second end of the water inlet channel, the first part of the moving piece is separated from the water outlet interface, the water outlet interface is opened, water energy entering the water inlet channel sequentially enters the inner container through the water outlet interface and the water inlet, and in addition, the reset spring is stretched to accumulate potential energy. When the water supply to the water inlet interface is stopped, the pressure difference on the two sides of the second part is reduced and the second part moves to the initial position slowly under the action of the elastic force of the return spring, and at the moment, the first part is inserted into the water outlet interface again to close the water outlet interface.

Furthermore, the end wall of the second end of the water inlet channel is provided with a vent hole communicated with the outside. Thereby enabling the internal pressure in the cavity to be always equal to the atmospheric pressure.

Furthermore, a limiting ring is convexly arranged on one side of the water inlet interface on the inner surface of the water inlet channel along the circumferential direction, the moving piece moves back and forth between the limiting ring and the second end part of the water inlet channel, and in an initial state, the second part of the moving piece is abutted against the limiting ring along the circumferential direction. Thereby enable the moving member and can stably keep in initial condition, and then enable the water inlet under uncooked state and keep closed state.

Furthermore, the cross section of the side wall of the water inlet channel is circular, the second part of the moving part is a circular plate matched with the cross section of the water inlet channel in size, the first part is fixed on one side surface of the second part along the central axis direction of the second part, and the cross section of the first part is circular and matched with the size of the water outlet port. Thereby enable the moving member round trip movement steadily, enable the first portion simultaneously and remove the start-stop control and the incrustation scale of realization to water outlet for water outlet moves better.

Furthermore, a first mounting column is fixed at the center of the other side surface of the second part of the moving part along the central shaft direction of the second part, a second mounting column which is right opposite to the first mounting column is horizontally fixed on the inner end surface of the second end of the water inlet channel, and two ends of the return spring are respectively fixed on the first mounting column and the second mounting column. Thereby realizing the stable installation of the return spring.

Furthermore, the water inlet joint comprises a joint shell with a cylindrical shape, and an inner cavity of the joint shell forms the water inlet channel. Thereby the structure of the water inlet joint is simple, and a water inlet channel structure can be well formed.

Furthermore, the water inlet joint further comprises a joint seat which covers the outer opening edge of the water inlet, the joint seat is a block body, a circular boss is convexly arranged on the outer side face of the joint seat, the center of the boss is provided with the water outlet port which transversely penetrates through the joint seat, and one end of the joint shell is opened and covers the boss. Thereby enabling the water inlet interface to be stably connected with the water inlet of the inner container.

Furthermore, the mouth edge of the water outlet horizontally extends outwards along the circumferential direction to form a connecting sleeve ring, the inner side surface of the inner side seat of the joint seat is sunken to form a connecting groove which is matched with the connecting sleeve ring and is used for the insertion connection of the connecting sleeve ring, and a sealing ring is clamped between the outer circumferential surface of the connecting sleeve ring and the inner circumferential surface of the connecting groove along the circumferential direction. Thereby can avoid the junction of water inlet interface and water inlet to leak, guarantee both connection assembly structure's reliability.

Furthermore, the water inlet interface of the water inlet joint is communicated with the water outlet of the water tank through a water inlet pipe, and the water inlet pipe is respectively provided with a water inlet pump and a water valve for controlling the on-off of the water inlet pipe. Thereby the water inlet control of the inner container can be better realized.

The technical solution adopted to further solve the third technical problem is as follows: a cooking apparatus, characterized in that it has a waterway structure for a household appliance as described above.

Compared with the prior art, the utility model has the advantages of: the utility model discloses well moving member can make a round trip to lead the cooperation for water outlet and remove, can realize the on-off control to water outlet on the one hand like this, and then realize the on-off control to the water inlet, in addition, the moving member can slide with certain coefficient of friction and water outlet's mouth reason cooperation, and on the other hand can strike off the incrustation scale of deposit at water outlet through the extrusion of moving member correspondence and between the water outlet mouth reason like this, and then avoids the incrustation scale deposit and blocks up water outlet.

Drawings

Fig. 1 is a schematic structural view of a waterway structure in an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

fig. 3 is a sectional view of the water path structure in the embodiment of the present invention in the state that the water outlet is opened;

fig. 4 is a sectional view of the water path structure in the embodiment of the present invention in the state that the water outlet is closed;

FIG. 5 is an enlarged view of portion A of FIG. 3;

fig. 6 is an enlarged view of a portion B in fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered limiting, as "upper", "lower", and the like are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 to 6, a cooking apparatus includes a waterway structure including a liner 1 and a water tank assembly 2 disposed above the liner 1. The water tank assembly 2 is arranged in the front-rear direction and includes a tank base 21 opened at the front and a water tank 22 inserted into the tank base 21 and capable of extending forward. The water tank 22 has a water outlet (not shown), and the sidewall of the inner container 1 is opened with a water inlet 11, the water inlet 11 is in fluid communication with the water outlet, and the bottom wall of the inner container 1 is installed with a heating plate 12, and the water entering the inner container 1 is heated by the heating plate 12 to generate steam.

Further, a water inlet joint 4 is arranged on the water inlet 11 of the inner container 1, a water outlet 402 of the water inlet joint 4 is communicated with the water inlet 11, a moving member 5 capable of moving back and forth relative to the water outlet 402 to open and close the water outlet 402 is arranged in the water inlet joint 4, and the moving member 5 can slide in cooperation with the edge of the water outlet 402 with a certain friction coefficient. Thus the utility model discloses well moving member 5 can be for water outlet 402 round trip movement to can realize the on-off control to water outlet 402, and then realize the on-off control to water inlet 11, in addition, moving member 5 can slide with certain coefficient of friction and the edge of a mouth cooperation of water outlet 402, thereby can strike off the incrustation scale of deposit in water outlet 402 department, and then avoid the incrustation scale deposit and block up water outlet 402. Preferably, the aperture of the water outlet interface 402 is smaller than the water inlet 11 of the inner container 1 and is arranged along the central axis direction of the water inlet 11. On the one hand, the water outlet interface 402 is ensured to be better communicated with the water inlet 11, and on the other hand, scale detached from the mouth edge of the water outlet interface 402 can be prevented from being deposited on the water inlet 11 again. In this embodiment, the water inlet interface 401 of the water inlet joint 4 is communicated with the water outlet of the water tank 22 through the water inlet pipe 3, and the water inlet pipe 3 is respectively provided with the water inlet pump 31 and the water valve 32 for controlling the on-off of the water inlet pipe 3, so as to better realize the water inlet control of the liner 1.

Further, the water inlet joint 4 has a water inlet passage 40 extending horizontally, the water outlet port 402 is located at a first end of the water inlet passage 40, and a water inlet port 401 is disposed on a side wall of the water inlet passage 40. The moving member 5 is accommodated in the water inlet passage 40 and includes a first portion 51 extending horizontally and a second portion 52 disposed vertically. The first portion 51 is a rod that can be inserted into the water outlet 402, and the rod can move back and forth relative to the water outlet 402 to open and close the water outlet 402, and in a state where the rod is inserted into the initial port 402, the rod can slide relative to the port edge of the water outlet 402 with a certain friction coefficient. The second part 52 is arranged in the water inlet channel 40 in a spaced mode and can move back and forth between the water outlet port 402 and the second end of the water inlet channel 40, a cavity 400 is formed by the second part 52 and the second end of the water inlet channel 40, the inner pressure of the cavity 400 is always equal to the atmospheric pressure, and a horizontally extending return spring 6 is arranged between the second part 52 and the second end wall of the water inlet channel 40. In the initial state, the return spring 6 is in a natural state, the first portion 51 of the moving member 5 closes the water outlet port 402, and in a state where the water inlet port 401 of the water inlet joint 4 is filled with water, the second portion 52 of the moving member 5 moves toward the second end of the water inlet passage 40, the first portion 51 of the moving member 5 opens the water outlet port 402, and the return spring 6 is compressed, so that the first portion 51 tends to move toward the water outlet port 402 to close the water outlet port 402. Thus, the self-adaptive control of the moving part 5 to the water outlet interface 402 can be realized through the water on-off control of the water inlet joint 4. Specifically, in the initial state, the return spring 6 is in a natural state, and the pressure on both sides of the second part 52 of the moving member 5 is equal. When water flow enters the water inlet passage 40 through the water inlet interface 401, a pressure difference is formed on two sides of the second part 52 of the moving member 5, so that the second part 52 moves towards the second end direction of the water inlet passage 40, the first part 51 of the moving member 5 is separated from the water outlet interface 402, the water outlet interface 402 is opened, water entering the water inlet passage 40 can enter the inner container 1 through the water outlet interface 402 and the water inlet 11 in sequence, and at the moment, the return spring 6 is stretched to accumulate potential energy. When the water supply to the water inlet port 401 is stopped, the pressure difference between the two sides of the second portion 52 is reduced and the second portion is slowly moved to the initial position by the elastic force of the return spring 6, and at this time, the first portion 51 is inserted into the water outlet port 402 again to close the water outlet port 402. Also, when the water supply is stopped, the remaining water in the inlet passage 40 can be pushed toward the outlet port 402 by the movement of the second portion 52, thereby preventing the water from remaining in the inlet passage 40.

Preferably, a vent hole 411 is formed in an end wall of the second end of the water inlet passage 40 to communicate with the outside, so that the internal pressure of the cavity 400 is always equal to the atmospheric pressure. A stop ring 412 is protruded along a circumferential direction on one side of the water inlet port 401 on an inner surface of the water inlet passage 40, the moving member 5 moves back and forth between the stop ring 412 and a second end of the water inlet passage 40, and in an initial state, the second portion 52 of the moving member 5 abuts against the stop ring 412 along the circumferential direction, so that the moving member 5 can be stably maintained in the initial state, and the water inlet 11 can be stably maintained in a closed state in an uncooked state.

It is further preferable that the cross-section of the sidewall of the water inlet passage 40 is circular, the second portion 52 of the moving member 5 is a circular plate matching the size of the cross-section of the water inlet passage 40, the first portion 51 is fixed to one side surface of the second portion 52 along the central axis direction of the second portion 52, and the cross-section of the first portion 51 is circular and matches the size of the water outlet 402. Therefore, the moving member 5 can move back and forth smoothly, and the first portion 51 can move relatively to the water outlet interface 402 better, so that the opening and closing of the water outlet interface 402 can be controlled and scale can be removed. In addition, a first mounting post 61 is fixed at the center of the other side surface of the second portion 52 of the moving member 5 along the central axis direction of the second portion 52, a second mounting post 62 facing the first mounting post 61 is horizontally fixed on the inner end surface of the second end of the water inlet passage 40, and both ends of the return spring 6 are respectively fixed on the first mounting post 61 and the second mounting post 62, so that the return spring 6 can be stably mounted.

Specifically, in this embodiment, the water inlet joint 4 includes a joint housing 41 having a cylindrical shape, and the inner cavity of the joint housing 41 forms the water inlet passage 40, so that the structure of the water inlet joint 4 can be simplified and the structure of the water inlet passage 40 can be formed well. Further, the water inlet joint 4 further includes a joint seat 42 covering the outer edge of the water inlet 11, the joint seat 42 is a block, a circular boss 420 is convexly arranged on the outer side surface of the joint seat 42, the center of the boss 420 is provided with the water outlet port 402 transversely penetrating through the joint seat 42, one end of the joint shell 41 is opened and covers the boss 420, and thus the water inlet port 401 and the water inlet 11 of the liner 1 can be stably connected. Further, the mouth edge of the water outlet extends horizontally outward in the circumferential direction to form a connection collar 111, the inner side surface of the inner seat of the joint seat 42 is recessed to form a connection groove 421 that is matched with the connection collar 111 and into which the connection collar 111 is inserted, and a seal ring 7 is interposed in the circumferential direction between the outer circumferential surface of the connection collar 111 and the inner circumferential surface of the connection groove 421. Therefore, water leakage at the joint of the water inlet interface 401 and the water inlet 11 can be avoided, and the reliability of the connection assembly structure of the water inlet interface 401 and the water inlet 11 is ensured.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter, referred to as a first portion and a second portion) in a unified manner, i.e., a fluid (gas, liquid or a mixture thereof) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide member, a hole, a groove, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims

1. A waterway structure for household appliances comprises a water tank (22) with a water outlet and a liner (1) with a water inlet (11), wherein the water inlet (11) is in fluid communication with the water outlet, and the waterway structure is characterized in that a water inlet joint (4) is arranged on the water inlet (11) of the liner (1), a water outlet interface (402) of the water inlet joint (4) is communicated with the water inlet (11), a moving member (5) which can move back and forth relative to the water outlet interface (402) to open and close the water outlet interface (402) is arranged in the water inlet joint (4), and the moving member (5) can slide relative to the opening edge of the water outlet interface (402) with a certain friction coefficient.

2. Waterway structure for home appliances according to claim 1, wherein the outlet port (402) has a smaller diameter than the inlet port (11) of the inner container (1) and is disposed along a central axis direction of the inlet port (11).

3. Waterway structure for home appliances according to claim 1, wherein the inlet connector (4) has a horizontally extending inlet channel (40), the outlet connector (402) is located at a first end of the inlet channel (40), and the inlet connector (401) is opened on a side wall of the inlet channel (40), the moving member (5) is accommodated in the inlet channel (40) and comprises a horizontally extending first portion (51) and a vertically disposed second portion (52),

wherein the first part (51) is a rod piece which can be inserted in the water outlet interface (402), the rod piece can move back and forth relative to the water outlet interface (402) to open and close the water outlet interface (402), the second part (52) is arranged in the water inlet channel (40) in a separating way and can move back and forth between the water outlet interface (402) and the second end part of the water inlet channel (40), a cavity with the inner pressure always equal to the atmospheric pressure is enclosed by the second part (52) and the second end of the water inlet channel (40), and a horizontally extending return spring (6) is arranged between the second part (52) and the second end wall of the water inlet channel (40),

in an initial state, the return spring (6) is in a natural state, the first part (51) of the moving member (5) closes the water outlet interface (402), the second part (52) of the moving member (5) moves towards the second end direction of the water inlet channel (40) in a state that the water inlet interface (401) of the water inlet joint (4) is communicated with water, the first part (51) of the moving member (5) opens the water outlet interface (402), and the return spring (6) is compressed to enable the first part (51) to have a tendency of moving towards the water outlet interface (402) to close the water outlet interface (402).

4. A waterway structure for home appliances according to claim 3, wherein the end wall of the second end of the inlet passage (40) is provided with a vent hole (411) communicating with the outside.

5. Waterway structure for home appliances according to claim 3, wherein the inner surface of the inlet channel (40) is provided with a stop ring (412) protruding circumferentially on one side of the inlet connection (401), the movable member (5) is moved back and forth between the stop ring (412) and the second end of the inlet channel (40), and in an initial state, the second portion (52) of the movable member (5) abuts circumferentially against the stop ring (412).

6. Waterway structure for home appliances according to any one of claims 3 to 5, wherein the lateral wall of the inlet passage (40) has a circular cross-section, the second portion (52) of the movable member (5) is a circular plate matching the size of the cross-section of the inlet passage (40), the first portion (51) is fixed to one side surface of the second portion (52) in the direction of the central axis of the second portion (52), and the cross-section of the first portion (51) is circular and matches the size of the outlet port (402).

7. The waterway structure of an electric home appliance according to claim 6, wherein a first mounting post (61) is fixed to the center of the other side surface of the second portion (52) of the moving member (5) along the central axis direction of the second portion (52), a second mounting post (62) facing the first mounting post (61) is horizontally fixed to the inner end surface of the second end of the water inlet passage (40), and both ends of the return spring (6) are fixed to the first mounting post (61) and the second mounting post (62), respectively.

8. Waterway structure for home appliances according to claim 6, wherein the water inlet connector (4) comprises a connector housing (41) having a cylindrical shape, the inner cavity of the connector housing (41) constituting the water inlet channel (40).

9. The waterway structure for a home appliance according to claim 8, wherein the water inlet connector (4) further comprises a connector seat (42) covering the outer opening edge of the water inlet (11), the connector seat (42) is a block, a circular boss (420) is convexly arranged on the outer side surface of the connector seat (42), the center of the boss (420) is provided with the water outlet port (402) transversely penetrating through the connector seat (42), and one end of the connector shell (41) is opened and covers the boss (420).

10. The waterway structure for home appliances according to claim 9, wherein the rim of the inlet (11) extends horizontally outward along the circumferential direction to form a connection collar (111), the inner surface of the inner seat of the adapter seat (42) is recessed to form a connection groove (421) which is matched with the connection collar (111) and into which the connection collar (111) is inserted, and a seal ring (7) is interposed between the outer circumferential surface of the connection collar (111) and the inner circumferential surface of the connection groove (421) along the circumferential direction.

11. The waterway structure of an electric home appliance according to any one of claims 1 to 5, wherein the water inlet port (401) of the water inlet connector (4) is communicated with the water outlet of the water tank (22) through the water inlet pipe (3), and the water inlet pipe (3) is respectively provided with a water inlet pump (31) and a water valve (32) for controlling the on-off of the water inlet pipe (3).

12. A cooking apparatus having a waterway structure for an electric home appliance according to any one of claims 1 to 11.