Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
The balance pressure difference ability of a kind of respirator of dish-washing machine out, the respirator is stronger, and can balance pressure difference relatively stablely.
The utility model also aims to the water tank type dish-washing machine for proposing a kind of respirator with the dish-washing machine.
According to the respirator of the dish-washing machine of the utility model embodiment, comprising: ventilator housing, in the ventilator housing
Drainage channel and even gas channel are limited, the drainage channel has wastewater inlet and outlet of sewer, and the even gas channel has
Drainage ventilation mouth and pneumostome, the drainage ventilation mouth are connected to the drainage channel and are located at the wastewater inlet and the sewage
Between outlet, the pneumostome is connected to ambient atmosphere;Check valve, the check valve include: a platform, and the door platform is located at the company
On the inner wall in gas channel, the door platform is between the drainage ventilation mouth and the pneumostome;Non-return piece, the non-return piece can
It is rotationally located in the even gas channel, and the non-return piece is located at the side towards the drainage ventilation mouth of the door platform,
The non-return piece has open position and closed position, and at closed position, the non-return piece cooperation is on the door platform with truncation
The even gas channel, has air gap with ventilating air at open position between the non-return piece and the door platform.
According to the respirator of the dish-washing machine of the utility model embodiment, connect due to being equipped with truncation or connection in even gas channel
The non-return piece in gas channel, when can preferably guarantee dish-washing machine proper drainage, respirator is discharged without going past pneumostome in sewage, again
The phenomenon that pressure difference in drainage channel can be balanced, prevent the sewage in drainage channel from flowing back.In addition, utilizing non-return piece
Movement to turn on or off the mode of pneumostome very reliable and stablize, and service life is longer.
In some embodiments, the check valve further include: door-hinge, the door-hinge are located on the door platform, the non-return
On piece is equipped with aperture of door, and the aperture of door housing is on the door-hinge.
Specifically, the hole area of the aperture of door is greater than the area of section that the door-hinge is located at the aperture of door inner part, described
The rotation direction of non-return piece and the extending direction of the door-hinge are perpendicular.
Specifically, the free end of the door-hinge is equipped with card convex.
In some embodiments, the side towards the drainage ventilation mouth of the non-return piece is located in the even gas channel
Equipped with enclosing edge.
In some embodiments, the door platform is recessed shape towards the even gas channel by the wall surface of the ventilator housing
At.
Online also can be in embodiment, the circulating direction of the even gas channel at the door platform has turning point, wherein from
The air that the pneumostome flows into is flowed substantially along with the perpendicular direction of the non-return piece, is flowed into from the drainage ventilation mouth
Liquid is flowed substantially along the direction parallel with the non-return piece.
In some embodiments, the non-return piece is formed as slide plate or bent plate.
In some embodiments, the even gas channel includes: vertically extending section, and vertically extending section of the lower end is connected to institute
State drainage ventilation mouth;Horizontal extension section, one end of the horizontal extension section are connected to the pneumostome, the horizontal extension section it is another
One end is spaced apart by partition with described vertically extending section;Wherein, the door platform is formed as annular and is located at described vertically extending
The top of section, the side wall and the partition of the door platform are equipped with the stomata of perforation, and described vertically extending section passes through the stomata
It is connected to the horizontal extension section.
According to the water tank type dish-washing machine of the utility model embodiment, the respirator including the dish-washing machine.
It, can be preferable due to being equipped with previously described respirator according to the water tank type dish-washing machine of the utility model embodiment
When guaranteeing dish-washing machine proper drainage, respirator is discharged without going past pneumostome in sewage, and can balance the pressure difference in drainage channel, is prevented
The phenomenon that only sewage in drainage channel flows back.In addition, the reliability of respirator is preferable, the check valve of respirator is real
With lasting a long time.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "vertical", "horizontal", "top", "bottom" "inner", the instructions such as "outside" orientation or positional relationship be
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one
Or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two with
On.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Below with reference to Fig. 1-Fig. 4 description according to the specific structure of the respirator 100 of the dish-washing machine of the utility model embodiment.
As shown in Figure 1, including ventilator housing 10 and list according to the respirator 100 of the dish-washing machine of the utility model embodiment
To valve 20.Drainage channel 110 and even gas channel 120 are limited in ventilator housing 10, drainage channel 110 has wastewater inlet
111 and outlet of sewer 112, even gas channel 120 has drainage ventilation mouth 121 and pneumostome 122, the connection row of drainage ventilation mouth 121
Aquaporin 110 and between wastewater inlet 111 and outlet of sewer 112, pneumostome 122 are connected to ambient atmosphere.
As shown in Fig. 2, check valve 20 includes door platform 230 and non-return piece 220, the inner wall in 230 company's of being located at gas channel 120 of door platform
On, door platform 230 is between drainage ventilation mouth 121 and pneumostome 122.220 company's of being rotatably arranged at gas channel 120 of non-return piece
It is interior, and non-return piece 220 is located at the side towards drainage ventilation mouth 121 of door platform 230, non-return piece 220 has open position and pass
Closed position, at closed position, the cooperation of non-return piece 220 connects gas channel 120 (as shown in Figure 3) on door platform 230 with truncation, is beating
Have air gap with ventilating air (as shown in Figure 4) between non-return piece 220 and door platform 230 when open position.
It should be noted that the wastewater inlet 111 of respirator 100 is connected to the washing cavities of dish-washing machine, outlet of sewer 112 is suitable
In with water passage, drainage ventilation mouth 121 and atmosphere.The drainage procedure of water tank type dish-washing machine are as follows: generated in washing cavities
Wash water entered in drainage channel 110 by wastewater inlet 111, then drained into sewer by outlet of sewer 112, from
And realize the drainage procedure of water basin dish-washing machine.When stopping drainage procedure, will will form in the Upstream section of drainage channel 110 negative
Pressure, so that there is the trend to flow back by siphon with the water being detained in the tract of the drainage channel 110 of water passage, due to
Drainage ventilation mouth 121 and atmosphere, the air in atmosphere can be entered in drainage channel 110 by drainage ventilation mouth 121, with
The pressure difference in drainage channel 110 is balanced, prevents drainage channel 110 from siphonage occur, draining is logical after thus it can be prevented that draining
Water flow in road 110 is back in the washing cavities of water basin dish-washing machine, guarantees that the water being detained in drainage channel 110 is smoothly discharged.
It is understood that sewage can generate shunting after entering drainage channel 110 during dish-washing machine proper drainage,
A part of sewage flows to the discharge of outlet of sewer 112, and another part will enter even gas channel 120.During proper drainage, only
It is in the closed position always to return piece 220, since non-return piece 220 is located at the side towards drainage ventilation mouth 121 of door platform 230, because
This platform 230 limits non-return piece 220 and rotates towards close to 230 side of door platform.That is when water level constantly rises and connects
When contacting non-return piece 220, since door platform 230 is under the blocking of non-return piece 220 and the double action of hydraulic pressure, non-return piece 220 can tightly
It is fitted on a platform 230 to the company's of truncation gas channel 120, so that sewage cannot flow out at pneumostome 122.It is real as a result,
When having showed dish-washing machine proper drainage, respirator 100 is discharged without going past pneumostome 122 in sewage.In addition, being cut using non-return piece 220
The mode in disconnection gas channel 120 prevents sewage from leaking out, and reliability is higher, stability is preferable.
When there is negative pressure in the upstream of drainage channel 110, since the air pressure in drainage channel 110 is less than external atmosphere pressure,
Therefore, under external pressure effect, so that the direction that non-return piece 220 is directed away from a platform 230 rotates, so that non-return piece
Air gap is formed between 220 and Men Tai 230 with ventilating air.Hereby it is achieved that the pressure difference in balance drainage channel 110, prevents
The phenomenon that sewage in drainage channel 110 flows back.
According to the respirator 100 of the dish-washing machine of the utility model embodiment, due to be equipped in even gas channel 120 truncation or
Connection connects the non-return piece 220 in gas channel 120, and when can preferably guarantee dish-washing machine proper drainage, sewage is without going past pneumostome
122 discharge respirators 100, and the pressure difference in drainage channel 110 can be balanced, prevent the sewage in drainage channel 110 from flowing back
The phenomenon that occur.In addition, by the movement of non-return piece 220 turn on or off pneumostome 122 in the way of it is very reliable and stablize,
And service life is longer.
In some embodiments, as shown in Fig. 2, check valve 20 further includes door-hinge 231, door-hinge 231 is located on a platform 230,
Non-return piece 220 is equipped with aperture of door 224, and 224 housing of aperture of door is on door-hinge 231.It is possible thereby to realize that non-return piece 220 can be opposite
Door platform 230 rotates, and structure very simple.Certainly in the other embodiments of the utility model, door-hinge 231 be may be provided in
On non-return piece 220, aperture of door 224 be may be provided on a platform 230.
Specifically, the hole area of aperture of door 224 is greater than the area of section that door-hinge 231 is located at 224 inner part of aperture of door, non-return piece
220 rotation direction and the extending direction of door-hinge 231 are perpendicular.Thus, it is possible to guarantee under the action of ambient pressure, so that only
Piece 220 is returned to rotate to be formed with gap between non-return piece 220 and door platform 230 to realize with ventilating air.
Optionally, aperture of door 224 is formed as rectangle, and door-hinge 231 is formed as cuboid.Certain aperture of door 224 and door-hinge 231
Shape may be formed as its shape, such as round, square etc..
In some embodiments, the free end of door-hinge 231 is equipped with card convex (not shown go out).Thus, it is possible to prevent non-return piece
220 stressed overaction rotations outside are so that the phenomenon that non-return piece 220 is deviate from from door-hinge 231.
Optionally, card convex is formed as nut, then by the cooperation of non-return piece 220 on door-hinge 231 after, nut is cooperated in door-hinge
There is certain distance on 231 and between nut and non-return piece 220.Certain card convex may be formed as other structures such as baffle ring etc.
Deng.
In some embodiments, as shown in Fig. 2, even in gas channel 120 positioned at non-return piece 220 towards drainage ventilation mouth
121 side, which is equipped with, encloses along 232.It is understood that when non-return piece 220 is fitted on a platform 230, the side of non-return piece 220
Face, which is only against, encloses along 232.Thereby ensure that the leakproofness between closed position non-return piece 220 and door platform 230, so that
Sewage will not be discharged from even gas channel 120 when dish-washing machine proper drainage.
Specifically, the lower section for being formed in non-return piece 220 along 232 is enclosed.Certainly it encloses and is additionally formed in elsewhere along 232,
Such as the side and the top of non-return piece 220 etc. of non-return piece 220.
In some embodiments, as shown in Fig. 2, door platform 230 is connected in gas channel 120 by the wall surface direction of ventilator housing 10
Recessed formation.Thus, it is possible to simplify the technique of the assembly of check valve 20, the overall structure of respirator 100 is simplified.
In some embodiments, as shown in Fig. 2, even circulating direction of the gas channel 120 at door platform 230 has turning point,
The air flowed into from pneumostome 122 is flowed substantially along with the perpendicular direction of non-return piece 220, is flowed into from drainage ventilation mouth 121
Liquid is flowed substantially along the direction parallel with non-return piece 220.It is understood that air is in even 120 process of circulation of gas channel
It is very easy that middle generation turns to, but liquid occurs to turn in the circulation process and understands relatively difficult, therefore air can be compared with
Easily to flow to drainage ventilation mouth 121 from pneumostome 122, but still there is sewage leakage when non-return piece 220 is in the closed position
Out, the sewage of leakage is not easy to flow to pneumostome 122 from drainage ventilation mouth 121.In conclusion even gas channel 120 is in door platform 230
The circulating direction at place have turn stop can guarantee dish-washing machine carry out proper drainage when, sewage will not be leaked out from pneumostome 122.
In some embodiments, non-return piece 220 is formed as slide plate or bent plate.Such structure is relatively simple, and works as
Non-return piece 220 being capable of the preferably company's of truncation gas channel 120 at closed position.Certain non-return piece 220 may be formed as other
Shape does not enumerate herein.
In some embodiments, as Figure 1-Figure 2, even gas channel 120 includes vertically extending section 123 and horizontal extension section
124, one end of vertically extending section 123 of lower end communicated drainage blow vent 121, horizontal extension section 124 is connected to pneumostome 122, water
The other end of flat extended segment 124 is spaced apart by partition 125 with vertically extending section 123.Door platform 230 is formed as annular and is located at perpendicular
To the top of extended segment 123, the side wall and partition 125 of door platform 230 are equipped with the stomata 126 of perforation, and vertically extending section 123 passes through
Stomata 126 is connected to horizontal extension section 124.
It is understood that when gas is after pneumostome 122 enters horizontal extension section 124, it can be relatively easily through gas
Hole 126 enters vertically extending section 123, thus the pressure difference in the company's of balance gas channel 120.But when non-return piece 220 is in close stance
Still have sewage leakage when setting, sewage by the barrier action of partition 125 make more a small amount of sewage may through air passing hole 126 into
Enter horizontal extension section 124, further, since originally there is deflection angle, sewage between vertically extending section 123 and horizontal extension section 124
It is difficult to flow to horizontal extension section 124 from vertically extending section 123.In conclusion still having sewage when non-return piece 220 is in the closed position
When leakage, sewage is almost impossible to flow out pneumostome 122 from vertically extending section 123 inflow horizontal extension section 124 in turn.
The respirator 100 of the dish-washing machine of one specific embodiment of the utility model is described below with reference to Fig. 1-Fig. 4.
As shown in Figure 1, the respirator 100 of the dish-washing machine of the present embodiment includes ventilator housing 10 and check valve 20.Breathing
Drainage channel 110 and even gas channel 120 are limited in device shell 10, drainage channel 110 has wastewater inlet 111 and outlet of sewer
112, even gas channel 120 has drainage ventilation mouth 121 and pneumostome 122,121 communicated drainage channel 110 of drainage ventilation mouth and position
Between wastewater inlet 111 and outlet of sewer 112, pneumostome 122 is connected to ambient atmosphere.
As shown in Fig. 2, check valve 20 includes door platform 230, door-hinge 231, non-return piece 220.230 company's of being located at gas channel of door platform
On 120 inner wall, door platform 230 is between drainage ventilation mouth 121 and pneumostome 122.Door-hinge 231 is located on a platform 230, non-return
Piece 220 is equipped with aperture of door 224, and 224 housing of aperture of door is on door-hinge 231, so that non-return piece 220 is rotatably arranged on a platform 230.
Non-return piece 220 is located at the side towards drainage ventilation mouth 121 of door platform 230, and non-return piece 220 has open position and close stance
It sets, at closed position, the cooperation of non-return piece 220 connects gas channel 120 (as shown in Figure 3) on door platform 230 with truncation, in open position
Have air gap with ventilating air (as shown in Figure 4) between non-return piece 220 and door platform 230 when setting.
Edge is enclosed as shown in Fig. 2, being even equipped in gas channel 120 positioned at the side towards drainage ventilation mouth 121 of non-return piece 220
232.Even gas channel 120 includes vertically extending section 123 and horizontal extension section 124, and vertically extending section 123 of lower end communicated drainage is logical
Port 121, one end of horizontal extension section 124 are connected to pneumostome 122, and the other end of horizontal extension section 124 by partition 125 and erects
It is spaced apart to extended segment 123.Door platform 230 is formed as annular and is located at vertically extending section 123 of top, the side wall of door platform 230 and
Partition 125 is equipped with the stomata 126 of perforation, and vertically extending section 123 is connected to horizontal extension section 124 by stomata 126.
The respirator 100 of the dish-washing machine of the present embodiment, due to being equipped with truncation or connection even gas channel in even gas channel 120
120 non-return piece 220, when can preferably guarantee dish-washing machine proper drainage, respirator is discharged without going past pneumostome 122 in sewage
100, and the phenomenon that the pressure difference in drainage channel 110 can be balanced, prevent the sewage in drainage channel 110 from flowing back.This
Outside, by the movement of non-return piece 220 turn on or off pneumostome 122 in the way of it is very reliable and stablize, and service life compared with
It is long.
According to the water tank type dish-washing machine of the utility model embodiment, the respirator 100 including the dish-washing machine.
It, can be compared with due to being equipped with previously described respirator 100 according to the water tank type dish-washing machine of the utility model embodiment
When the guarantee dish-washing machine proper drainage got well, respirator 100 is discharged without going past pneumostome 122 in sewage, and can balance drainage channel
Pressure difference in 110, the phenomenon that preventing the sewage in drainage channel 110 from flowing back.In addition, the reliability of respirator 100
Preferably, 20 physical life of check valve of respirator 100 is longer.
Other compositions such as sink and water softener according to the water tank type dish-washing machine of the utility model embodiment etc. and behaviour
Make all to be known for those of ordinary skills, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.