CN217645182U - Anti-siphon structure of dish-washing machine - Google Patents

Abstract

The utility model relates to the field of household dish washing machines, in particular to an anti-siphon structure of a dish washing machine, which comprises a base, a cover body and a floating block, wherein a ventilation seat is integrally formed on the base, a ventilation cavity is arranged in the ventilation seat, a first branch pipe communicated with the ventilation cavity and a second branch pipe communicated with the ventilation cavity are arranged at the lower part of the ventilation seat, a supporting block is arranged in the ventilation cavity, and the floating block is placed on the supporting block; the cover body is fixedly installed at the top of the base, an air vent is arranged in the cover body and is used for communicating the inside of the dish washing machine with the air vent cavity, after water is led into the air vent seat, the floating block can float upwards and abut against the cover body, meanwhile, the floating block enables the air vent and the air vent cavity to be not communicated with each other any more, after the water is stopped to be led into the air vent seat, the floating block can fall back and reset on the supporting block. The anti-siphon structure of the dishwasher has the advantages of reliable structure and simple installation.

Description

Anti-siphon structure of dish-washing machine

Technical Field

The utility model relates to a household dish washer field, especially a dish washer anti-siphon structure.

Background

When the household dish washer washes dishes, water can be sprayed into the dish washer, so that a pipeline (namely a vent pipe) communicated with the outside is arranged on the dish washer and used for balancing the pressure in the dish washer and preventing water from being sprayed into the dish washer normally; the domestic dish washer can outwards be discharged after accomplishing the work of washing dishes, and the internal pressure intensity of drainage in-process dish washer reduces, consequently, sewage has the trend of backward flow in the dish washer. In order to reduce the volume of the dishwasher, a pipeline communicated with the outside is generally communicated with a drain pipe, and in order to prevent sewage from flowing back into the dishwasher from the drain pipe through a vent pipe, an anti-siphon structure is required to be arranged on the vent pipe.

For example, chinese patent publication No. CN210902885U discloses an anti-siphon structure and a dishwasher, which includes a body and a plug. The body is hollow; the body is also provided with a vent hole, a first water inlet and a first water outlet, and the vent hole is used for being respectively communicated with the inner container of the dish washing machine and the inside of the body; the first water inlet is respectively communicated with the inside of the body and a drain pipe of the dishwasher, and the first water outlet is communicated with the inside of the body and used for discharging wastewater. The plug piece is arranged in the body, and when the dishwasher drains water, the plug piece blocks the vent hole; when the dishwasher is supplied with water, the stopper is separated from the vent.

The problem that prior art exists is that, the whole anti-siphon structure needs seal installation on the base of dish washer, and is higher to seal structure's requirement.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a: provides an anti-siphon structure of dish-washing machine, which has reliable structure and simple and convenient installation.

The utility model discloses a technical scheme that the solution problem adopted is: an anti-siphon structure of a dishwasher, comprising:

the base is integrally formed with a ventilation seat, a ventilation cavity is formed in the ventilation seat, a first branch pipe communicated with the ventilation cavity and a second branch pipe communicated with the ventilation cavity are arranged at the lower part of the ventilation seat, a supporting block is arranged in the ventilation cavity, and the floating block is placed on the supporting block; the cover body is fixedly installed at the top of the base, an air vent is arranged in the cover body and is used for communicating the inside of the dish washing machine with the air vent cavity, after the air vent seat is internally communicated with water, the floating block can float upwards and abut against the cover body, meanwhile, the floating block enables the air vent hole to be not communicated with the air vent cavity, and after the air vent seat is internally stopped from being communicated with water, the floating block can fall back and reset on the supporting block. Compared with the prior art, in the technical scheme, the ventilation seat and the base are integrally formed, the ventilation seat is not required to be installed in a sealing mode, the cover body is arranged at the top of the ventilation seat and located above the base, and after the dish washing machine is assembled, the cover body is located inside the dish washing machine, so that the risk of water leakage of the dish washing machine does not exist at the joint of the cover body and the ventilation seat. In this technical scheme, the anti-siphon principle of floating block is unanimous with prior art, and no longer gives unnecessary details here.

As a further improved technical scheme, the vent hole is a step through hole, and the floating block can abut against the step of the step through hole after floating upwards so as to seal the step through hole. In the technical scheme, the vent holes are simple and reliable in structure.

In the further improved technical scheme, the floating block is spherical, and the cross section of the vent hole is circular. The cross section of the vent hole is circular, namely, the step in the vent hole is annular, after the water level in the vent seat is lowered, the spherical floating block cannot be clamped by the vent hole when being reset downwards, and other polygonal floating blocks are easily clamped in the vent hole with the polygonal cross section.

In a further improved technical scheme, a water baffle is arranged in the ventilation cavity, and the communication position of the first branch pipe and the ventilation seat and the communication position of the second branch pipe and the ventilation seat are respectively arranged on the front side and the rear side of the water baffle. The water entering the air-through seat through the first branch pipe flows out through the second branch pipe after flowing over the water baffle plate, so that the water level in the air-through seat is higher during the drainage of the dish-washing machine, and the floating block can be floated by packaging.

In a further improved technical scheme, the top of the supporting block is higher than the top of the water baffle. The position of the floating block can be kept above the water level in the ventilation cavity, and the floating block is prevented from being impacted downwards by flowing water to cause the floating block not to float upwards.

In the technical scheme of further improvement, the number of supporting shoe is two, and two supporting shoes are located respectively ventilate the left edge and the right edge in chamber, the floating block all contacts with the top of two supporting shoes when not floating. The advantage of this technical scheme is that, during the rivers that the breakwater turned over through the supporting shoe, thereby can hold up the kicking block with the bottom contact of kicking block to water can follow the clearance between two supporting blocks and pass through.

The utility model has the advantages that: ventilative seat and base integrated into one piece need not seal installation ventilative seat, and the lid is located ventilative seat top and is located the top of base, and the back that the dishwasher was assembled, lid are located inside the dishwasher, consequently, the junction of lid and ventilative seat also does not have the risk that makes the dishwasher leak, compares the seat of ventilating that needs seal installation among the prior art, and it has the advantage that the structure is reliable and simple to handle.

Drawings

The invention will be further explained with reference to the drawings and the detailed description.

FIG. 1 is a perspective view of an anti-siphon structure of a dishwasher according to the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a top view of the base of the anti-siphon structure of the dishwasher of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a structural view of a cover body of the anti-siphon structure of the dishwasher of the present invention.

In the figure: 1-base, 11-ventilation base, 12-first branch pipe, 13-second branch pipe, 14-supporting block, 15-water baffle, 2-cover, 21-ventilation hole, and 3-floating block.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, an anti-siphon structure of a dishwasher includes:

a base 1, a cover body 2 and a floating block 3;

referring to fig. 3, a ventilation seat 11 is integrally formed on the base 1, and a ventilation cavity is arranged in the ventilation seat 11; referring to fig. 1 and 2, a first branch pipe 12 communicated with a vent cavity and a second branch pipe 13 communicated with the vent cavity are arranged at the lower part of the vent seat 11, the first branch pipe 12 is used for connecting a drain pump of the dishwasher, the second branch pipe 13 is used for connecting an external sewer pipe, and a supporting block 14 is arranged in the vent cavity; a water baffle 15 is arranged in the ventilation cavity, the communication position of the first branch pipe 12 and the ventilation seat 11 and the communication position of the second branch pipe 13 and the ventilation seat 11 are respectively arranged at the front side and the rear side of the water baffle 15, the top of each support block 14 is higher than the top of the water baffle 15, the number of the support blocks 14 is two, and the two support blocks 14 are respectively arranged at the left edge and the right edge of the ventilation cavity;

referring to fig. 5, the cover 2 is fixedly installed on the top of the base 1, a vent hole 21 is formed in the cover 2, the vent hole 21 is a step through hole, the cross section of the vent hole 21 is circular, and the vent hole 21 is used for communicating the inside of the dishwasher with the vent cavity;

after water flows into the ventilation seat 11, the floating block 3 can float upwards to abut against the cover body 2, the floating block 3 can abut against the step of the step through hole after floating upwards to seal the step through hole, and the ventilation hole 21 and the ventilation cavity are not communicated with each other any more; after the water in the ventilation seat 11 stops being ventilated, the floating block 3 can fall back to the supporting block 14;

the floating blocks 3 are placed on the supporting blocks 14, the floating blocks 3 are spherical, and the floating blocks 3 are in contact with the tops of the two supporting blocks 14 when not floating upwards.

The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (6)

1. An anti-siphon structure of a dishwasher, comprising:

the base is integrally formed with a ventilation seat, a ventilation cavity is formed in the ventilation seat, a first branch pipe communicated with the ventilation cavity and a second branch pipe communicated with the ventilation cavity are arranged at the lower part of the ventilation seat, a supporting block is arranged in the ventilation cavity, and the floating block is placed on the supporting block;

the cover body is fixedly installed at the top of the base, an air vent is arranged in the cover body and is used for communicating the inside of the dish washing machine with the air vent cavity, after water is led into the air vent seat, the floating block can float upwards and abut against the cover body, meanwhile, the floating block enables the air vent and the air vent cavity to be not communicated with each other any more, after the water is stopped to be led into the air vent seat, the floating block can fall back and reset on the supporting block.

2. The anti-siphon structure of dishwasher according to claim 1, wherein:

the air vent is a step through hole, and the floating block can abut against the step of the step through hole after floating, so that the step through hole is sealed.

3. The anti-siphon structure of dishwasher according to claim 2, wherein:

the floating block is spherical, and the cross section of the vent hole is circular.

4. The anti-siphon structure of dishwasher according to claim 1, wherein:

and a water baffle is arranged in the ventilation cavity, and the communication part of the first branch pipe and the ventilation seat and the communication part of the second branch pipe and the ventilation seat are respectively arranged at the front side and the rear side of the water baffle.

5. The anti-siphon structure of dishwasher according to claim 4, wherein:

the top of the supporting block is higher than the top of the water baffle.

6. The anti-siphon structure of dishwasher according to claim 5, wherein:

the number of supporting shoe is two, and two supporting shoes are located respectively ventilate the left edge and the right edge in chamber, the floating block all contacts with the top of two supporting shoes when not come up.

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