CN211582983U - Fluid transmission structure and dish washing machine - Google Patents

Abstract

The utility model relates to the technical field of household appliances, especially, relate to a fluid transmission structure and dish washer. The fluid transmission structure comprises a main body, a communication port, an overflow port, an inlet and a first reverse flow stopping part, wherein a cavity is arranged in the main body; the communicating port, the overflow port and the inlet are communicated with the chamber, and the inlet is positioned above the overflow port; the first reverse flow stop is disposed at the inlet and configured to prevent fluid in the chamber from flowing out of the inlet. The fluid transmission structure integrates the functions of a fluid inlet and an overflow port, has high modularization degree, simple structure, convenient installation and good universality, can reduce pipelines in the fluid transmission structure, and is beneficial to reducing pipeline leakage points, thereby improving the sealing performance; the inlet is higher than the overflow port, so that the fluid can smoothly enter the cavity, and the fluid in the cavity is prevented from flowing out through the inlet; the provision of a first back flow stop at the inlet may further prevent fluid in the chamber from being expelled through the inlet.

Description

Fluid transmission structure and dish washing machine

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a fluid transmission structure and dish washer.

Background

A dishwasher is a device for automatically cleaning dishes, chopsticks, plates, dishes, knives, forks and the like. At present, the dish washer generally can enter steam to carry out high-temperature disinfection, or enter ozone low-temperature disinfection, or enter hot air and be convenient for functions such as drying, need the import of admitting air or liquid. Meanwhile, for the protection of the dishwasher, in order to avoid the water quantity detection failure, a liquid outlet is also needed to discharge the redundant inlet water.

Among the current dish washer, gas-liquid import and export are independent structure generally, and not only the commonality is poor, leads to the part quantity of dish washer to increase moreover, and assembly efficiency is low, has increased the cost, and occupation space is big, and the leak source in gas circuit and water route also correspondingly increases, and sealed risk increases.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fluid transmission structure, simple structure, the commonality is good, can compatible gas-liquid import and overflow outlet's demand.

To achieve the purpose, the utility model adopts the following technical proposal:

a fluid transfer structure comprising:

a body having a chamber disposed therein;

a communication port in communication with the chamber;

an overflow port in communication with the chamber;

the inlet is communicated with the chamber and is positioned above the overflow port; and

a first back flow stop disposed at the inlet, the first back flow stop configured to prevent fluid within the chamber from flowing out of the inlet.

Wherein the first reverse flow stop comprises:

the first stop plate is rotatably arranged on the inner wall of the chamber and can shield the inlet.

Wherein the first reverse flow stop further comprises:

the first elastic piece is connected with the first stop plate and can drive the first stop plate to rotate towards the direction of shielding the inlet.

Wherein a baffle is disposed within the chamber between the inlet and the overflow, the baffle configured to direct fluid entering the chamber from the inlet to the communication port.

The main body is a cover body with an opening at one side, the cavity is formed in the cover body, and the opening is the communication opening.

The inner wall of the cavity is convexly provided with a connecting column, the connecting column faces the communicating opening, and a threaded hole is formed in the connecting column.

Wherein a second back flow stop is disposed at the overflow port and configured to prevent fluid outside the chamber from flowing in through the overflow port.

Wherein the second reverse flow stop comprises:

and the second stop plate is rotatably arranged on the outer end surface of the overflow port and can shield the overflow port.

Wherein, the outside of main part is provided with the strengthening rib.

Another object of the present invention is to provide a dishwasher, which has a simple structure and good sealing performance.

To achieve the purpose, the utility model adopts the following technical proposal:

a dish washing machine comprises a washing cavity and the fluid transmission structure, wherein the communication port is communicated with the washing cavity.

Has the advantages that: the utility model provides a fluid transmission structure and dish washer. The fluid transmission structure integrates the functions of a fluid inlet and an overflow port, has high modularization degree, simple structure, convenient installation and good universality, can reduce pipelines in the fluid transmission structure, and is beneficial to reducing pipeline leakage points, thereby improving the sealing performance; the inlet is higher than the overflow port, so that the fluid can smoothly enter the cavity, and the fluid in the cavity is prevented from flowing out through the inlet; the provision of a first back flow stop at the inlet may further prevent fluid in the chamber from being expelled through the inlet.

Drawings

FIG. 1 is a schematic view of a part of a dishwasher provided by the present invention;

FIG. 2 is a schematic view of a part of the structure of a dishwasher provided by the present invention;

fig. 3 is a schematic structural diagram of a fluid transfer structure provided by the present invention.

Wherein:

100. a trough body; 110. a cleaning chamber; 120. mounting holes;

200. a fluid transport structure; 21. a main body; 211. a communication port; 22. a first pipe body; 221. an inlet; 23. a second tube body; 231. a first overflow port; 24. a third tube; 241. a second overflow port; 25. a first stopper plate; 26. a baffle; 27. connecting columns; 28. and (5) reinforcing ribs.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides a dishwasher, which may be a built-in dishwasher, or other types of dishwashers. The dishwasher includes a tub 100, and a washing chamber 110 formed in the tub 100 to receive dishes and to wash the dishes. A rack in which the dishes are placed so as to be fixed for washing, and a washing mechanism may be provided in the washing chamber 110; the washing mechanism may rinse the dishes in a shower. The washed tableware is positioned in the shelf, so that the washed tableware can be drained or dried conveniently.

The cleaning cavity 110 is also internally provided with a water quantity detection assembly which can detect the water quantity in the cleaning cavity 110 so as to control water inflow and timely drainage, thereby ensuring the normal work of the dish washing machine.

In order to make the washed tableware more sanitary, the dish-washing machine also comprises a sterilizing mechanism and a drying mechanism, wherein the sterilizing mechanism can adopt high-temperature sterilization or ozone-introducing low-temperature sterilization; the drying mechanism can introduce high-temperature gas into the cleaning cavity 110 so as to dry the cleaned tableware, which is beneficial to making the tableware more sanitary.

In order to introduce ozone or high-temperature gas into the cleaning cavity 110, the dishwasher is further provided with an inlet 221 communicated with the cleaning cavity 110, and the inlet 221 is used for introducing gas or liquid into the cleaning cavity 110; in order to avoid safety accidents caused by excessive water in the cleaning cavity 110 due to failure of the water quantity detection component in the cleaning cavity 110, the dish washing machine is further provided with an overflow port communicated with the cleaning cavity 110, and the overflow port can discharge excessive liquid higher than a preset liquid level in the cleaning cavity 110.

In the prior art, the inlet and the overflow port are generally independent structures arranged on the side wall of the tank body, so that the number of parts of the dish washing machine is increased, the disassembly and assembly efficiency is low, and the equipment cost is increased. In addition, the two independent structures can increase the occupied space, and are not beneficial to the identity of the appearance of the dishwasher, and the universality is poor.

In order to solve the above problem, as shown in fig. 1 and 2, the dishwasher of the present embodiment further includes a fluid transfer structure 200, the fluid transfer structure 200 includes a main body 21, a chamber is disposed in the main body 21, and a communication port 211, an inlet 221 and an overflow port, which are communicated with the chamber, are disposed on the main body 21. Wherein, the communication port 211 is used for communicating with the mounting hole 120 on the side wall of the tank body 100, so that the cleaning cavity 110 is communicated with the chamber in the main body 21; the inlet 221 is communicated with the chamber, and gas or liquid can be introduced into the cleaning cavity 110 through the inlet 221; the overflow port is communicated with the chamber, and the excess liquid in the cleaning cavity 110 which is higher than the preset liquid level can be discharged through the overflow port.

In the embodiment, the inlet 221 and the overflow port are integrated in the main body 21, and the mounting port and the inlet 221 as well as the mounting port and the overflow port are respectively communicated through the chamber, so that the structure of the dishwasher can be simplified, the number of parts in the dishwasher is reduced, the assembly efficiency is improved, and the cost is reduced; the fluid transmission mechanism is simple in structure, is separated from other functional structures in the dish washing machine, is not required to be integrated on other structures, is only used for transmission of circulation, can improve the universality of the fluid transmission mechanism 200, and only needs to be communicated with the mounting hole 120 on the side wall of the trough body 100; the inlet 221 and the overflow port share the same chamber and are communicated with the mounting hole 120, so that pipelines in the fluid transmission structure 200 can be reduced, pipeline leakage points can be reduced, and sealing performance can be improved.

Optionally, the inlets 221 may be provided in multiple numbers, and the multiple inlets 221 are communicated with the chamber after being communicated, so as to facilitate an increase of a pipeline shared by the multiple inlets 221, simplify the structure of the fluid transfer structure 200, and reduce the leakage points of the pipeline, thereby improving the sealing performance.

In this embodiment, two overflow ports may be provided, the two overflow ports are respectively the first overflow port 231 and the second overflow port 241, the two overflow ports are formed by dividing the chamber, and the liquid discharged from the cleaning cavity 110 may be introduced into different structures. In order to save water, one of the first overflow port 231 and the second overflow port 241 can discharge the water, and the other can guide the water into other structures capable of storing liquid, so that the water resource can be reused. For example, water used for the secondary cleaning in the cleaning chamber 110 may be discharged through the second overflow port 241 and stored in another structure to be reused. In other embodiments, the first overflow port 231 and the second overflow port 241 may adopt other distribution manners, and the overflow ports may be arranged more in a diversion manner.

Specifically, the main body 21 is integrally formed with a first tube 22, a second tube 23 and a third tube 24 which are communicated with the chamber, the first tube 22 is provided with an inlet 221, the second tube 23 is provided with a first overflow port 231, and the third tube 24 is provided with a second overflow port 241. The third tube 24 is communicated with the second tube 23, and the second tube 23 is communicated with the chamber, so that the first overflow port 231 and the second overflow port 241 share the chamber and a part of the second tube 23, which is beneficial to reducing electric leakage.

Optionally, the pipe orifices of the first pipe body 22, the second pipe body 23 and the third pipe body 24 are all provided with an anti-drop structure, so as to improve the reliability of the first pipe body 22, the second pipe body 23 and the third pipe body 24 in connection with the corresponding structures. Preferably, the falling off prevention structure may be a screw thread.

In this embodiment, the inlet 221 is located above the overflow port, so that the inlet 221 can be used normally no matter the liquid in the cleaning chamber 110 is located below the preset liquid level or above the preset liquid level, and gas or liquid can enter the cleaning chamber 110 through the inlet 221, thereby being beneficial to preventing the liquid in the cleaning chamber 110 from being discharged through the inlet 221, and preventing the backflow.

As shown in fig. 3, the main body 21 is a cover having one side opened, a chamber is formed in the cover, and the opening of the cover is a communication port 211. When the fluid transfer structure 200 is installed, the cover body is opened toward the outer sidewall of the tank body 100 and is fastened outside the installation hole 120. A sealing ring may be provided between the body 21 and the tank 100 to form a sealing structure to prevent fluid in the chamber from leaking.

Optionally, the sealing ring may be embedded in the end face of the cover body, and after the cover body is fastened on the outer side wall of the groove body 100, the sealing ring abuts against the outer side wall of the groove body 100 to improve the sealing effect. Alternatively, the cover may be fixed to the side wall of the slot 100 by screws.

In this embodiment, the fluid transmission structure 200 can be universally used in common dish washing machines in the market, and matches the appearance of the dish washing machine, and the commonality is good.

To further prevent the fluid in the chamber from flowing backward through the inlet 221, a first backward flow stop is disposed at the inlet 221, and the first backward flow stop can allow the external fluid to enter the chamber through the inlet 221 and can prevent the fluid in the chamber from flowing out of the inlet 221, so as to prevent the fluid in the inlet 221 from flowing backward.

To simplify the structure of the fluid transmission structure 200, as shown in fig. 3, the first reverse flow stopping portion includes a first stopping plate 25, and the first stopping plate 25 can be rotatably disposed on the inner wall of the chamber by a first rotating shaft and can block the inlet 221. When fluid enters the chamber through the inlet 221, the fluid can push the first stop plate 25 to rotate toward the inner side of the chamber, thereby opening the inlet 221, so that the fluid can smoothly enter the chamber, pass through the chamber and enter the cleaning chamber 110. When the fluid in the chamber tries to be discharged through the inlet 221, the first stop plate 25 naturally falls to block the inlet 221, and the fluid pushes the first stop plate 25 to abut on the inner wall of the chamber, thereby further improving the effect that the first stop plate 25 blocks the inlet 221, and preventing the fluid from being discharged through the inlet 221.

Optionally, in order to further ensure that the first stop plate 25 can block the inlet 221 when external gas does not enter the chamber through the inlet 221, the first reverse flow stop portion may further include a first elastic member, which is connected to the first stop plate 25 and can drive the first stop plate 25 to rotate in a direction of blocking the inlet 221. By providing the first elastic member, when the fluid is not introduced into the inlet 221, the first stop plate 25 is maintained in a state of shielding the inlet 221, which is beneficial to further avoiding the backflow of the fluid in the inlet 221. Alternatively, the first elastic element may be a torsion spring, one end of the torsion spring is connected to the inner wall of the chamber, and the other end of the torsion spring is connected to the first rotating shaft, so as to drive the first stopping plate 25 to rotate by driving the first rotating shaft to rotate.

In order to avoid or reduce the discharge of the fluid entering the chamber from the inlet 221 through the overflow port, a baffle 26 is disposed in the chamber, the baffle 26 is located between the inlet 221 and the overflow port, and the baffle 26 is configured to guide the fluid entering the chamber from the inlet 221 to the communication port 211, which is beneficial to the fluid in the chamber flowing according to a preset track.

Optionally, the inner wall of the cavity is convexly provided with a connecting column 27, the connecting column 27 is arranged towards the communication port 211, and a threaded hole is formed in the connecting column 27. When the fluid transmission structure 200 is installed, the main body 21 is firstly buckled on the outer wall of the tank body 100, and then the screw is screwed into the threaded hole of the connecting column 27 after penetrating through the side wall of the tank body 100, so that the fluid transmission structure 200 is installed.

In order to make the inner side of the tank body 100 more beautiful, a decorative plate is disposed in the tank body 100 at a position corresponding to the mounting hole 120, and the decorative plate is used for shielding the mounting hole 120 and the screw. Specifically, the decorative board extends all around and has the fixed part, and the fixed part can be gone into on the inner wall of cell body 100 to make the decorative board can shelter from mounting hole 120 and set up with mounting hole 120 interval, thereby on the basis of improving the outward appearance, guarantee washing chamber 110 and fluid transmission structure 200's intercommunication.

The guide plates 26 are three, and the three guide plates 26 are arranged around the circumference of the connecting column 27 and are not lower than the axis of the connecting column 27.

In order to avoid the fluid at the overflow port from flowing backwards, a second backflow stop portion may be disposed at the overflow port, and the second backflow stop portion may allow the fluid in the chamber to flow out through the overflow port and may prevent the fluid outside the chamber from flowing in through the overflow port.

Alternatively, the second back flow stop may be a one-way valve. In order to simplify the structure of the fluid transmission structure 200, the second reverse flow stopping portion may include a second stopping plate, and the second stopping plate may be rotatably disposed on the outer end surface of the overflow port by a second rotating shaft and may block the overflow port. When fluid enters the overflow port through the chamber, the fluid can push the second stop plate to rotate in the direction away from the overflow port, so that the overflow port is opened, and the fluid can be smoothly discharged from the overflow port. When outside fluid tries to get into the chamber through the overflow mouth, the second backstop board falls naturally and shelters from the overflow mouth, and the fluid will promote the second backstop board butt on the terminal surface of overflow mouth to further improve the effect that the overflow mouth was sheltered from to the second backstop board, avoid the fluid to get into in the chamber by the overflow mouth.

Optionally, the second backflow stopping portion may further include a second elastic member, and the second elastic member may be connected to the second stopping plate and may drive the second stopping plate to rotate in a direction of blocking the overflow port. Through setting up the second elastic component, can be when the cavity is not through overflow mouth drainage fluid, the second backstop board is maintained under the state of sheltering from the overflow mouth, is favorable to further avoiding the interior fluid countercurrent flow of overflow mouth. Optionally, the second elastic element may be a torsion spring, one end of the torsion spring is connected to the end face of the overflow port, the other end of the torsion spring is connected to the second rotating shaft, and the second stopper plate is driven to rotate by driving the second rotating shaft to rotate.

To improve the strength of the fluid transfer structure 200, the outside of the main body 21 may be provided with reinforcing ribs 28. The reinforcing ribs 28 can improve the strength of the main body 21 and prevent the main body 21 from being damaged.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. A fluid transfer structure, comprising:

a body (21), a chamber being provided in the body (21);

a communication port (211) communicating with the chamber;

an overflow port in communication with the chamber;

an inlet (221) communicating with the chamber and located above the overflow; and

a first back flow stop disposed at the inlet (221), the first back flow stop configured to prevent fluid within the chamber from flowing out of the inlet (221).

2. The fluid transfer structure of claim 1, wherein said first reverse flow stop comprises:

a first stop plate (25), wherein the first stop plate (25) is rotatably arranged on the inner wall of the chamber and can shield the inlet (221).

3. The fluid transfer structure of claim 2, wherein said first reverse flow stop further comprises:

the first elastic piece is connected with the first stop plate (25) and can drive the first stop plate (25) to rotate towards the direction of blocking the inlet (221).

4. A fluid transfer structure according to any of claims 1-3, wherein a baffle (26) is arranged in the chamber, the baffle (26) being located between the inlet (221) and the overflow, the baffle (26) being configured to direct fluid entering the chamber from the inlet (221) to the communication port (211).

5. A fluid transfer structure according to any of claims 1-3, wherein the body (21) is a housing open at one side, the chamber being formed in the housing, the opening being the communication port (211).

6. The fluid transfer structure of any one of claims 1 to 3, wherein an attachment post (27) is convexly provided on an inner wall of the chamber, the attachment post (27) being disposed toward the communication opening (211), and a threaded hole being provided in the attachment post (27).

7. The fluid transfer structure of any one of claims 1-3, wherein a second back flow stop is disposed at the overflow port, the second back flow stop configured to prevent fluid outside the chamber from flowing from the overflow port.

8. The fluid transfer structure of claim 7, wherein said second reverse flow stop comprises:

and the second stop plate is rotatably arranged on the outer end surface of the overflow port and can shield the overflow port.

9. Fluid transfer arrangement according to any of claims 1-3, characterised in that the outside of the body (21) is provided with stiffening ribs (28).

10. A dishwasher comprising a washing chamber (110), characterized in that it further comprises a fluid transfer structure (200) according to any one of claims 1-9, said communication port (211) communicating with said washing chamber (110).

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