CN208573632U - The respirator and water tank type dish-washing machine of dish-washing machine - Google Patents

Abstract

The utility model discloses a kind of respirator of dish-washing machine and water tank type dish-washing machine, the respirator of the dish-washing machine includes ventilator housing and check valve.Drainage channel and even gas channel are limited in ventilator housing, drainage channel has wastewater inlet and outlet of sewer, even with drainage ventilation mouth and pneumostome, drainage ventilation mouth communicated drainage channel and between wastewater inlet and outlet of sewer, pneumostome is connected to ambient atmosphere in gas channel.Check valve includes valve body and spool, and valve body is located in even gas channel, is respectively equipped with external tapping and inner joint in the opposing sidewalls of valve body, external tapping is connected to pneumostome, inner joint communicated drainage blow vent, spool have limiting section and closure part, and closure part is suitable for blocking external tapping.According to the respirator of the dish-washing machine of the utility model embodiment by the movement of spool turn on or off pneumostome in the way of it is very reliable and stablize, and service life is longer.

Description

The respirator and water tank type dish-washing machine of dish-washing machine

Technical field

The utility model relates to the respirators and water tank type of dishwasher apparatus field more particularly to a kind of dish-washing machine to wash the dishes Machine.

Background technique

In the related technology, the one-way valve structures in respirator are too simple, and balance pressure difference ability is poor.

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, including 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: valve body, and the valve body is located at the company In gas channel, external tapping and inner joint are respectively equipped in the opposing sidewalls of the valve body, the external tapping is connected to the pneumostome, The inner joint is connected to the drainage ventilation mouth；Spool, the spool have limiting section and closure part, and the limiting section cooperation exists In the inner joint and the limitation spool is removable along the extending direction of the inner joint, and the closure part is located at the limit Portion is located at the intracorporal one end of the valve, and the spool has open position and closed position, the closure at closed position Stop on the side wall for being against the setting external tapping of the valve body and block the external tapping, the closure at open position in portion Stop on the side wall for being against the setting inner joint of the valve body and form air gap between the inner joint with ventilating air in portion.

According to the respirator of the dish-washing machine of the utility model embodiment, due to being equipped with the company of opening or closing in even gas channel The spool of the external tapping of logical pneumostome, when can preferably guarantee dish-washing machine proper drainage, sewage is discharged without going past pneumostome Respirator, and the phenomenon that the pressure difference in drainage channel can be balanced, prevent the sewage in drainage channel from flowing back.In addition, By the movement of non-return piece turn on or off pneumostome in the way of it is very reliable and stablize, and service life is longer.

In some embodiments, the check valve further include: sealing element, the sealing element be located at the spool towards institute State the side of pneumostome.

Specifically, the sealing element is O-ring seal.

In some embodiments, the limiting section and the closure part are the circle extended along the moving direction of the spool Cylindricality.

In some embodiments, the spool further include: be located at one end far from the closure part of the limiting section Tail portion.

Specifically, on the direction far from the closure part, the sectional dimension of the tail portion is gradually increased.

In some embodiments, the sum of axial dimension of the moving distance of the spool and the inner joint is less than the limit The axial dimension in position portion.

In some embodiments, the external tapping is located on the roof of the valve body, and the inner joint is arranged in the valve On the bottom wall of body, the spool moves along the vertical direction.

In some embodiments, the valve body is integrally formed on the even inner wall in gas channel.

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.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the overall structure diagram according to the respirator of the utility model embodiment.

Fig. 2 is that Fig. 1 circle shows enlarged drawing at A.

Fig. 3 is the structural schematic diagram in the closed position according to the spool of the check valve of the utility model embodiment.

Fig. 4 is the structural schematic diagram in an open position according to the spool of the check valve of the utility model embodiment.

Appended drawing reference:

Respirator 100,

Ventilator housing 10,

Drainage channel 110, wastewater inlet, outlet of sewer 112,

Even gas channel 120, drainage ventilation mouth 121, pneumostome 122,

Check valve 20

Valve body 210, inner joint 213, external tapping 214,

Spool 240, limiting section 241, tapered portion 2411, closure part 242, tail portion 243,

Sealing element 250.

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", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.

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 knot of the respirator 100 of the dish-washing machine of the utility model embodiment Structure.

It include ventilator housing and check valve 20 according to the respirator 100 of the dish-washing machine of the utility model embodiment.Breathing Drainage channel 110 and even gas channel 120 are limited in device shell, 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 valve body 210 and spool 240, and in 210 company's of being located at gas channel 120 of valve body, valve body External tapping 214 and inner joint 213 are respectively equipped in 210 opposing sidewalls, external tapping 214 is connected to pneumostome 122, inner joint 213 Communicated drainage blow vent 121, spool 240 have limiting section 241 and closure part 242, and limiting section 241 cooperates in inner joint 213 And limit that spool 240 is removable along the extending direction of inner joint 213, what closure part 242 was located at limiting section 241 is located at valve body 210 Interior one end, spool 240 have open position and closed position, and at closed position, closure part 242 is only against setting for valve body 210 It sets on the side wall of external tapping 214 and blocks external tapping 214 (as shown in Figure 3), closure part 242 is only against valve body at open position Air gap is formed on the side wall of 210 setting inner joint 213 and between inner joint 213 with ventilating air (as shown in Figure 4).

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 112112 are suitable for and water passage, drainage ventilation mouth 121 and atmosphere.The drainage procedure of water tank type dish-washing machine are as follows: washing The wash water of intracavitary generation is entered in drainage channel 110 by wastewater inlet 111, is then drained by outlet of sewer 112112 In sewer, to realize the drainage procedure of water basin dish-washing machine.When stopping drainage procedure, in the Upstream section of drainage channel 110 Negative pressure will be will form, flowed back so that having with the water being detained in the tract of the drainage channel 110 of water passage because of siphon Trend, due to drainage ventilation mouth 121 and atmosphere, the air in atmosphere can pass through drainage ventilation mouth 121 and enter draining In channel 110, to balance the pressure difference in drainage channel 110, prevents drainage channel 110 from siphonage occur, thus it can be prevented that Water flow after draining in drainage channel 110 is back in the washing cavities of water basin dish-washing machine, guarantees that the water being detained in drainage channel 110 is suitable Benefit discharge.

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 112112, and another part will enter even gas channel 120.Constantly rise when water level and When touching non-return piece, since the closure part 242 of buoyancy spool 240 can close the external tapping 214 of valve body 210, so that Sewage cannot flow out to from pneumostome 122 from external tapping 214.Hereby it is achieved that when dish-washing machine proper drainage, sewage without going past Respirator 100 is discharged in pneumostome 122.In addition, preventing sewage leakage can in the way of the mobile closing external tapping 214 of spool 240 It is higher by property, 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, it is fallen after rise under the action of 240 self gravity of external pressure and spool, so that the setting that spool 240 is only against valve body 210 exists On the side wall of inner joint 213, and be formed as air gap between inner joint 213 with ventilating air.Hereby it is achieved that balance draining is logical Pressure difference in road 110, the phenomenon that preventing the sewage in drainage channel 110 from flowing back.In addition, the limiting section of spool 240 241 can limit the moving direction of closure part 242, it is therefore prevented that lead to the closing of external tapping 214 not since closure part 242 shifts Tight phenomenon occurs.

According to the respirator 100 of the dish-washing machine of the utility model embodiment, open due to being equipped in even gas channel 120 or The spool 240 of the external tapping 214 of connection pneumostome 122 is closed, when can preferably guarantee dish-washing machine proper drainage, sewage will not Respirator 100 is discharged by pneumostome 122, and the pressure difference in drainage channel 110 can be balanced, prevents the dirt in drainage channel 110 The phenomenon that water flows back.In addition, by the movement of non-return piece 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 sealing element 250, sealing element 250 is located at spool 240 The side towards pneumostome 122.Thereby ensure that when spool 240 is in the closed position closure part 242 and external tapping 214 it Between leakproofness, to ensure that sewage will not flow out at pneumostome 122 through external tapping 214.

Specifically, sealing element 250 is O-ring seal.The sealing effect of O sealing ring is preferable, and certain sealing element 250 may be used also Think the sealing ring of other forms.

In some embodiments, limiting section 241 and closure part 242 are the cylinder extended along the moving direction of spool 240 Shape.The processing of limiting section 241 and closure part 242 is relatively easy to as a result, and certain limiting section 241 and closure part 242 can also be formed For other shapes, such as cuboid, the shapes such as triangular prism.

In some embodiments, as shown in Fig. 2, spool 240 further includes the separate closure part 242 for being located at limiting section 241 The tail portion 243 of one end, and on the direction far from closure part 242, the sectional dimension of tail portion 243 is gradually increased.It is understood that It is if that, arrangement tail portion 243, when water level is higher, the limiting section 241 of spool 240 may be detached from inner joint 213, work as water level in this way When reduction, limiting section 241 will appear the phenomenon that deviateing inner joint 213, be unfavorable for 242 envelope of closure part when water level rises again in this way Stifled external tapping 214.Therefore, the direction upper section size of closure part 242 is arranged far from gradually in one end far from closure part 242 The phenomenon that tail portion 243 of increase can make, and no matter how high water level is, and all far less likely to occur limiting section 241 is detached from inner joint 213 Occur.In conclusion core further includes being located at the tail portion 243 of one end of separate closure part 242 of limiting section 241 to guarantee to block The plugging action in portion 242 improves the reliability of spool 240.

Advantageous, the sectional dimension maximum value of tail portion 243 is greater than the internal diameter of inner joint 213.No matter how high water level is as a result, It is impossible to the phenomenon that limiting section 241 is detached from inner joint 213 generation occur, further improves the reliability of spool 240.

In some embodiments, the sum of axial dimension of the moving distance of spool 240 and inner joint 213 is less than limiting section 241 axial dimension.It is understood that if the axial dimension of limiting section 241 is less than the moving distance of spool 240 and is inscribed Mouthfuls 213 axial dimension, then be likely to occur following situations: first, spool 240 move to highest point closure part 242 still can be complete Full the phenomenon that blocking external tapping 214, this phenomenon will lead to sewage and flow out from external tapping 214.Second, closure part 242 blocks outside Limiting section 241 has completely disengaged the phenomenon that inner joint 213 when interface 214, and such phenomenon will lead in this way when water level reduces When limiting section 241 occur deviate inner joint 213 so that when water level rises again closure part 242 cannot block completely it is external The case where mouth 214, occurs.Therefore, the sum of axial dimension of the moving distance of spool 240 and inner joint 213 is less than limiting section 241 Axial dimension can not only guarantee that spool 240 moved to highest point closure part 242 and can centainly block external tapping 214 completely, but also It can guarantee that limiting section 241 cooperates always in inner joint 213, ensure that the plugging effect of closure part 242.

In some embodiments, as shown in Fig. 2, external tapping 214 is located on the roof of valve body 210, the setting of inner joint 213 exists On the bottom wall of valve body 210, spool 240 moves along the vertical direction.As a result, when negative pressure is smaller in exhaust passage, spool 240 can also The pressure difference of exhaust passage is balanced under the effect of gravity, to fall back to open position.Therefore, external tapping 214 is located at On the roof of valve body 210, inner joint 213 is arranged on the bottom wall of valve body 210, and spool 240 moves along the vertical direction, so that unidirectionally Valve 20 is very sensitive to the pressure difference in exhaust passage, to enhance the effect of balance pressure difference.

In some embodiments, as shown in Fig. 2, the part that the lower part of closure part 241 is connected with limiting section 241 is formed as cutting Face area gradually smaller tapered portion 2411 downwards, and when the outer peripheral surface of tapered portion 2411 is only against on the end face of inner joint 213 When, the cross-sectional area that the tapered portion 2411 is cut in the end face of inner joint 213 is less than the area of inner joint 213.

It is understood that spool 240 exists when the water level in even gas channel 120 is lower and does not have spool 240 Free-falling is against the outer peripheral surface of tapered portion 2411 only on the end face of inner joint 213 under the action of gravity, due to inner joint 213 end face cut tapered portion 2411 cross-sectional area be less than inner joint 213 area, therefore, at this time gas remain to from Inner joint 213 enters and flows to drainage ventilation mouth 121.In conclusion water in setting 2411 company's of ensure that gas channel 120 of tapered portion When position is too low, gas remains to enter from inner joint 213 and flows to drainage ventilation mouth 121, to ensure that the balance of check valve 20 The ability of pressure difference in drainage channel 120.

In some embodiments, on the inner wall in 210 company's of being integrally formed in gas channel 120 of valve body.Check valve is reduced as a result, 20 production cost simplifies the assembly technology of check valve 20.

The specific of 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 Structure.

As shown in Figure 1, the respirator 100 of the present embodiment includes ventilator housing and check valve 20.Limit in ventilator housing Drainage channel 110 and even gas channel 120 are made, drainage channel 110 has wastewater inlet 111 and outlet of sewer 112, even gas channel 120 with drainage ventilation mouth 121 and pneumostome 122,121 communicated drainage channel 110 of drainage ventilation mouth and positioned at wastewater inlet 111 Between outlet of sewer 112, pneumostome 122 is connected to ambient atmosphere.

As shown in Fig. 2, check valve 20 includes valve body 210, spool 240 and sealing element 250,210 company's of being located at gas channel of valve body In 120, external tapping 214 and bottom wall are equipped with inner joint 213 on the bottom wall of valve body 210, and external tapping 214 is connected to pneumostome 122, interior 213 communicated drainage blow vent 121 of interface, spool 240 have limiting section 241, closure part 242 and tail portion 243, and limiting section 241 is matched Close in inner joint 213 and limitation spool 240 move along the vertical direction, closure part 242 be located at limiting section 241 be located at valve body One end in 210, tail portion 243 are located at one end of the separate closure part 242 of limiting section 241 and in the directions far from closure part 242 On, the sectional dimension of tail portion 243 is gradually increased.Sealing element 250 is located at the side towards pneumostome 122 of spool 240.Spool 240 have open position and closed position, and at closed position, the setting external tapping 214 for being against valve body 210 is stopped in closure part 242 On side wall and external tapping 214 is blocked, the side wall for being against the setting inner joint 213 of valve body 210 is stopped in closure part 242 at open position Form air gap above and between inner joint 213 with ventilating air.

According to the respirator 100 of the dish-washing machine of the utility model embodiment, open due to being equipped in even gas channel 120 or The spool 240 of the external tapping 214 of connection pneumostome 122 is closed, when can preferably guarantee dish-washing machine proper drainage, sewage will not Respirator 100 is discharged by pneumostome 122, and the pressure difference in drainage channel 110 can be balanced, prevents the dirt in drainage channel 110 The phenomenon that water flows back.In addition, by the movement of non-return piece turn on or off pneumostome 122 in the way of it is very reliable And stablize, and service life is longer.

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 water softener and sink 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 ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment 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.

Claims (10)

1. a kind of respirator of dish-washing machine characterized by comprising

Ventilator housing, drainage channel and even gas channel are limited in the ventilator housing, and the drainage channel has sewage Import and outlet of sewer, the even gas channel have drainage ventilation mouth and pneumostome, and the drainage ventilation mouth is connected to the draining Channel and between the wastewater inlet and the outlet of sewer, the pneumostome are connected to ambient atmosphere；

Check valve, the check valve include:

Valve body, the valve body are located in the even gas channel, external tapping are respectively equipped in the opposing sidewalls of the valve body and is inscribed Mouthful, the external tapping is connected to the pneumostome, and the inner joint is connected to the drainage ventilation mouth；

Spool, the spool have limiting section and closure part, and the limiting section cooperation is in the inner joint and limits the valve Core is removable along the extending direction of the inner joint, and what the closure part was located at the limiting section is located at the valve intracorporal one End, the spool have open position and closed position, and at closed position, the setting for being against the valve body is stopped in the closure part On the side wall of the external tapping and the external tapping is blocked, the setting for being against the valve body is stopped in the closure part at open position Air gap is formed on the side wall of the inner joint and between the inner joint with ventilating air.

2. the respirator of dish-washing machine according to claim 1, which is characterized in that the check valve further include: sealing element, institute State the side towards the pneumostome that sealing element is located at the spool.

3. the respirator of dish-washing machine according to claim 2, which is characterized in that the sealing element is O-ring seal.

4. the respirator of dish-washing machine according to claim 1, which is characterized in that the limiting section and the closure part are The cylinder extended along the moving direction of the spool.

5. the respirator of dish-washing machine according to claim 1, which is characterized in that the spool further include: be located at the limit The tail portion of the one end far from the closure part in position portion.

6. the respirator of dish-washing machine according to claim 5, which is characterized in that on the direction far from the closure part, The sectional dimension of the tail portion is gradually increased.

7. the respirator of dish-washing machine according to claim 1, which is characterized in that the moving distance of the spool with it is described interior The sum of axial dimension of interface is less than the axial dimension of the limiting section.

8. the respirator of dish-washing machine described in any one of -7 according to claim 1, which is characterized in that the external tapping is located at institute It states on the roof of valve body, the inner joint is arranged on the bottom wall of the valve body, and the spool moves along the vertical direction.

9. the respirator of dish-washing machine described in any one of -7 according to claim 1, which is characterized in that the valve body is integrally formed On the even inner wall in gas channel.

10. a kind of water tank type dish-washing machine, which is characterized in that including dish-washing machine according to claim 1 to 9 Respirator.