CN209331985U - A kind of respirator and dish-washing machine for dish-washing machine - Google Patents

Abstract

The utility model provides a kind of respirator and dish-washing machine for dish-washing machine, dish-washing machine includes the liner for placing tableware, respirator includes shell and the tap water intake tunnel being set in the housing, drainage channel, exhaust passage and breather check valve, drainage channel includes drain inlet and drain outlet, exhaust passage includes port and pneumostome, breather check valve includes valve body and elastic valve plate, one end of elastic valve plate is fixed on valve body, valve body is equipped with the blow vent in communicated drainage channel and exhaust passage, elastic valve plate is located at the side in blow vent communicated drainage channel and there are gaps between blow vent, air can be entered in drainage channel by blow vent, balance the pressure difference in drainage channel, prevent occurring siphon in drainage channel, when dish-washing machine drains, hydraulic pressure in drainage channel, which squeezes elastic valve plate, makes elastic valve plate block blow vent , prevent water flow is from flowing to exhaust passage from blow vent.The drain function of dish-washing machine using reliable, will not occluded water in drainage channel.

Description

A kind of respirator and dish-washing machine for dish-washing machine

Technical field

The utility model relates to dish-washing machine technical field more particularly to a kind of respirators and dish-washing machine for dish-washing machine.

Background technique

Replaced gradually by dish-washing machine with the development of the society, manually washing the dishes, the respirator in dish-washing machine be intake, The important component of draining, exhaust, in drainage channel work, water flow enters in drainage channel from drain inlet, then passes through row Water out is expelled to outside dish-washing machine, will shape close to drain inlet side in drainage channel when drainage channel stops working At negative pressure, the water that drainage channel is detained at drain outlet can siphon generation reflux.In existing dish-washing machine, arrange in order to prevent There is siphonage during water, pipeline is separately provided and is connected to drainage channel with ambient atmosphere, so that the structure ten of respirator Divide complexity.

Utility model content

The purpose of this utility model is to provide a kind of respirator and dish-washing machine for dish-washing machine, it is simple and compact for structure and It can anti-siphon.

In order to achieve the above object, the utility model adopts the following technical solution: a kind of respirator for dish-washing machine is washed Bowl machine includes the liner for placing tableware, and respirator includes that shell and the tap water intake tunnel being set in the housing, draining lead to Road, exhaust passage and breather check valve, drainage channel include that the drain inlet being connected to liner and the draining being in communication with the outside go out Mouthful, exhaust passage includes port be connected to liner and the pneumostome that is connected to ambient atmosphere, breather check valve include valve body with One end of elastic valve plate, elastic valve plate is fixed on valve body, and valve body is equipped with the blow vent in communicated drainage channel and exhaust passage, Elastic valve plate is located at the side in blow vent communicated drainage channel and there are gaps between blow vent, when dish-washing machine drains, draining Hydraulic pressure in channel, which squeezes elastic valve plate, makes elastic valve plate block blow vent.

Further, the blow vent is equipped with boss close to the side of elastic valve plate, and boss is equipped with and is connected to blow vent Connecting hole.

Further, the gap between the elastic valve plate and boss is S, 1mm≤S≤4mm.

Further, the elastic valve plate includes fixed block and non-return piece, and valve body is equipped with mounting groove, and elastic valve plate passes through Fixed block and mounting groove cooperation are fixed on valve body.

Further, the valve body further includes limited step, and limited step is located at side of the elastic valve plate far from blow vent To limit the angle of elastic valve plate swing.

Further, the exhaust passage is arranged higher than drainage channel, and communicating passage is additionally provided in shell, and drainage channel is logical Communicating passage is crossed to be connected to blow vent.

Further, the drainage channel includes inlet segment, draining section and connects inlet segment and drain the changeover portion of section, row Water section includes the breeze way being obliquely installed.

Further, the tap water intake tunnel includes the running water inlet being connected to water source, tap water intake tunnel It is connected to port.

Further, the exhaust passage is connected to port by air inlet, on shell and is located at air inlet equipped with limit Water flow in tap water intake tunnel processed enters the inclined board of exhaust passage.

The invention also discloses a kind of dish-washing machine, including shell, respirator and liner for placing tableware, breathing Device is any respirator as described in the above technical scheme.

After adopting the above technical scheme, the utility model has the advantages that

1, when drainage channel works, water flow enters in drainage channel from drain inlet, is then discharged by drain outlet To dish-washing machine, when drainage channel stops working, negative pressure will be will form close to drain inlet side in drainage channel, drained The water that channel is detained at drain outlet can siphon generation reflux.By the way that breather check valve is arranged, breather check valve is equipped with The blow vent in communicated drainage channel and exhaust passage, there are gaps between elastic valve plate and blow vent, so that drainage channel passes through Exhaust passage is connected to ambient atmosphere, and air can be entered in drainage channel by blow vent, balances the pressure difference in drainage channel, It prevents occurring siphon in drainage channel, the water in drainage channel is avoided to be back to liner, guarantee that the water being detained in drainage channel can To be smoothly discharged；Because being provided with breather check valve, in proper drainage, a part of water flow normal flow direction drains out drainage channel Mouthful, another part water flow, which can shunt, flows to breather check valve, and hydraulic pressure of the blow vent close to drainage channel side increases and squeezes bullet Property valve block make the loose one end of elastic valve plate to blow vent swing so that elastic valve plate blocks blow vent, so that water flow is not Exhaust passage can be flowed to from blow vent, prevent water flow from leaking out from other positions, so that the draining of drainage channel is relatively reliable, simultaneously Because the structure of breather check valve is simple, the balance of pressure difference is realized by direct communicated drainage channel and exhaust passage, without independent Channel is set and is connected to ambient atmosphere, so that the structure of respirator is simple, compact.

2, by setting boss, boss is equipped with the connecting hole being connected to blow vent, can be realized by closure boss logical The closing of port reduces elastic valve plate and needs the angle of bending deformation because boss is protruded towards elastic valve plate, promoted blow vent with Leakproofness between elastic valve plate, and then the reliability that breather check valve uses is promoted, guarantee that water flow cannot be flowed to from blow vent Exhaust passage.

3, by setting elastic valve plate and boss between gap in the range of 1mm to 4mm, both guarantee elastic valve plate with Have enough gaps that the air-flow in exhaust passage can be allowed to enter in drainage channel between boss, but will not gap lead to very much bullet greatly Property valve block swing angle it is excessive cause block poor sealing.As S < 1mm, the gap between elastic valve plate and boss is too small, It cannot be guaranteed that the air-flow in exhaust passage can enter in drainage channel；As S > 4mm, between elastic valve plate and boss between Gap is excessive, and the fixed other end in elastic valve plate one end freely swings so that loose one end swing angle is excessive, elastic valve plate with Poor sealing between connecting hole, while because the deformation of elastic valve plate is excessive, for a long time using be easy to causeing elastic valve plate tired Labor elasticity lowers.

4, elastic valve plate is connected to by fixed block is fixed on one end of non-return piece on valve body, the other end It can move freely, the simple structure and convenient processing of elastic valve plate, while the installation between valve body is simple and convenient.

5, by setting limited step, limited step limits elastic valve plate towards the angle far from one side oscillation of blow vent, keeps away Exempt from that elastic valve plate swing angle is excessive cannot to be restored cannot to play the role of to stop flow direction exhaust passage, it is unidirectional to promote ventilation The reliability that valve uses.

6, by higher than drainage channel setting, the water flow in drainage channel being avoided to enter in exhaust passage exhaust passage, By the way that communicating passage is arranged, drainage channel is connected to by communicating passage with blow vent, so that between exhaust passage and drainage channel There can be certain difference in height, the water flow further avoided in drainage channel enters in exhaust passage.

7, by setting breeze way, breeze way is obliquely installed, so that the water flow in drainage channel passes through the buffering of breeze way It is discharged again through drain outlet later, reduces hydraulic pressure when water flow discharge, promote the service life for the water pipe connecting with drain outlet.

8, it is connect by the way that tap water intake tunnel is arranged with port, so that the water flow in tap water intake tunnel passes through port Into liner, tap water intake tunnel and exhaust passage share port, so that the structure of respirator is simpler, compact.

9, by the way that inclined board is arranged on shell, the water flow in inclined board limitation tap water intake tunnel enters exhaust passage It is interior, so that port avoids the water flow in tap water intake tunnel in the case where exhaust passage and tap water intake tunnel share Into in exhaust passage, the normal use of exhaust passage is influenced, promotes the reliability that respirator uses.

10, the invention also discloses a kind of dish-washing machine, including shell, liner and respirator, the structure letters of respirator It is single, compact, and can to prevent siphon, so that the drain function of dish-washing machine is using reliable, will not occluded water in drainage channel.

Detailed description of the invention

The utility model is described in further detail with reference to the accompanying drawing:

Fig. 1 is the structural schematic diagram of respirator described in the utility model embodiment one.

Fig. 2 is the structural schematic diagram in respirator described in the utility model embodiment one under breather check valve normal condition.

Fig. 3 is the knot of breather check valve when elastic valve plate blocks blow vent in respirator described in the utility model embodiment one Structure schematic diagram.

Fig. 4 is the structural schematic diagram of first shell in respirator described in the utility model embodiment one.

Fig. 5 is the structural schematic diagram of second shell in respirator described in the utility model embodiment one.

Fig. 6 is the structural schematic diagram of respirator described in the utility model embodiment two.

Fig. 7 is the structural schematic diagram of another angle of respirator described in the utility model embodiment two.

Fig. 8 is the structural schematic diagram of second shell in respirator described in the utility model embodiment two.

Fig. 9 is the structural schematic diagram of dish-washing machine described in the utility model embodiment two.

Figure 10 is that dish-washing machine described in the utility model embodiment two takes down the structural schematic diagram after shell.

Marked the names of the parts are as follows in figure:

1, shell；11, first shell；12, second shell；2, tap water intake tunnel；21, running water inlet；3, it drains Channel；31, inlet segment；311, drain inlet；32, section is drained；321, drain outlet；322, breeze way；33, changeover portion；4, it arranges Gas channel；41, port；42, pneumostome；43, air inlet；431, inclined board；432, declined board；5, breather check valve；51, valve Body；511, boss；512, mounting groove；513, limited step；514, blow vent；52, elastic valve plate；521, fixed block；522, only Return piece；6, communicating passage；7, shell；8, water tank；81, water outlet；9, Water in Water Tank intake tunnel；91, water tank water inlet；92, water Case water out；93, solenoid valve.

Specific embodiment

The utility model is described in further detail in the following with reference to the drawings and specific embodiments.It is to be appreciated that following The indicating positions such as "upper", "lower", "left", "right", " longitudinal direction ", " transverse direction ", "inner", "outside", "vertical", "horizontal", "top", "bottom" Or the word of positional relationship is based only upon orientation or positional relationship shown in the drawings, only for the purposes of describing the utility model and simplification Description, rather than device/element of indication or suggestion meaning must have a particular orientation or be constructed and be grasped with specific orientation Make, therefore should not be understood as limiting the present invention.

Embodiment one:

As shown in Figures 1 to 5, the utility model provides a kind of respirator for dish-washing machine, and dish-washing machine includes for putting The liner of tableware is set, is equipped with bowl basket and spray arm in liner, tableware is placed in bowl basket, and bowl basket is located at the top of spray arm, exhales Haustorium includes shell 1 and tap water intake tunnel 2, drainage channel 3, exhaust passage 4 and breather check valve 5 in shell 1, Drainage channel 3 includes the drain inlet 311 being connected to liner and the drain outlet being in communication with the outside 321, exhaust passage 4 include with The port 41 of liner connection and the pneumostome 42 being connected to ambient atmosphere.

When drainage channel 3 works, water flow enters in drainage channel 3 from drain inlet 311, then passes through drain outlet 321 are expelled to outside dish-washing machine, will close to 311 side of drain inlet in drainage channel 3 when drainage channel 3 stops working Negative pressure is formed, the water that drainage channel 3 is detained at drain outlet 321 can siphon generation reflux.

Breather check valve 5 includes valve body 51 and elastic valve plate 52, and one end of elastic valve plate 52 is fixed on valve body 51, valve body 51 are equipped with the blow vent 514 in communicated drainage channel 3 and exhaust passage 4, and it is logical that elastic valve plate 52 is located at 514 communicated drainage of blow vent The side in road 3 and between blow vent 514 there are gap so that drainage channel 3 is connected to by exhaust passage 4 with ambient atmosphere, Air can be entered in drainage channel 3 by blow vent 514, balance the pressure difference in drainage channel 3, prevent from going out in drainage channel 3 Existing siphon, avoids the water in drainage channel 3 from being back to liner, guarantees that the water being detained in drainage channel 3 can be smoothly discharged.

Because drainage channel 3 is connect with breather check valve 5, when dish-washing machine drains, a part of water flow normal flow direction drain outlet 321, another part water flow, which can shunt, flows to breather check valve 5, and it is loose that the hydraulic pressure in drainage channel 3 squeezes elastic valve plate 52 One end is swung to blow vent 514 so that elastic valve plate 52 blocks blow vent 514, prevent water flow is arranged from flowing to from blow vent 514 Gas channel 4 prevents water flow from leaking out from other positions, so that the draining of drainage channel 3 is relatively reliable, while because of breather check valve 5 Structure it is simple, the balance of pressure difference is realized by direct communicated drainage channel 3 and exhaust passage 4, is connected it is not necessary that channel is separately provided Logical ambient atmosphere, so that the structure of respirator is simple, compact.

In the present embodiment, blow vent 514 is equipped with boss 511 close to the side of elastic valve plate 52, and boss 511 is equipped with and leads to The closing of blow vent 514 can be realized by blocking boss 511 in the connecting hole that port 514 is connected to, because boss 511 is towards elasticity Valve block 52 protrudes, and reduces the angle that elastic valve plate 52 needs bending deformation, is promoted close between blow vent 514 and elastic valve plate 52 Feng Xing, and then the reliability that breather check valve 5 uses is promoted, guarantee that water flow cannot flow to exhaust passage 4 from blow vent 514.

Gap between elastic valve plate 52 and boss 511 is S, and 1mm≤S≤4mm had both guaranteed elastic valve plate 52 and boss Have enough gaps that the air-flow in exhaust passage 4 can be allowed to enter in drainage channel 3 between 511, but will not gap cause greatly very much 52 swing angle of elastic valve plate is excessive to be caused to block poor sealing.In the present embodiment, S takes 3.5mm, so that elastic valve plate 52 was both Gap is maintained with boss 511 to be easy to block connecting hole in the presence of hydraulic pressure again.

Elastic valve plate 52 includes fixed block 521 and non-return piece 522, and valve body 51 is equipped with mounting groove 512, and elastic valve plate 52 is logical It crosses fixed block 521 and the cooperation of mounting groove 512 is fixed on valve body 51, elastic valve plate 52 is connected to mounting groove by fixed block 521 It is fixed on one end of non-return piece 522 on valve body 51, the other end can move freely, the structure of elastic valve plate 52 is simple, It is easy to process, while the installation between valve body 51 is simple and convenient.Specifically, fixed block 521 is located at the upper end of non-return piece 522, Non-return piece 522 is allowed to return to initial position under the effect of gravity in the effect of no external force.Blow vent 514 is located at non-return The middle section of piece 522 blocks non-return piece 522 by blow vent 514 reliablely, guarantees when drainage channel drains, Blow vent is blocked completely, and there is no gaps to allow water flow by entering exhaust passage.

Valve body 51 further includes limited step 513, and limited step 513 is located at side of the elastic valve plate 52 far from blow vent 514 To limit the angle of the swing of elastic valve plate 52, avoid 52 swing angle of elastic valve plate is excessive from cannot restoring to lead to that blocking cannot be played The effect of flow direction exhaust passage 4 promotes the reliability that breather check valve 5 uses.

Exhaust passage 4 is arranged higher than drainage channel 3, avoids the water flow in drainage channel 3 from entering in exhaust passage 4, shell 1 It is inside additionally provided with communicating passage 6, drainage channel 3 is connected to by communicating passage 6 with blow vent 514, so that exhaust passage 4 and draining are logical There can be certain difference in height between road 3, further avoid the water flow in drainage channel 3 and enter in exhaust passage 4.

Drainage channel 3 includes inlet segment 31, draining section 32 and connects inlet segment 31 and drain the changeover portion 33 of section 32, draining Section 32 includes the breeze way 322 being obliquely installed, and breeze way 322 is obliquely installed, so that the water flow in drainage channel 3 passes through breeze way It is discharged again through drain outlet 321 after 322 buffering, reduces hydraulic pressure when water flow discharge, what promotion was connect with drain outlet 321 The service life of water pipe.

Tap water intake tunnel 2 includes the running water inlet 21 being connected to water source, and tap water intake tunnel 2 and port 41 connect Logical, so that the water flow in tap water intake tunnel 2 enters liner by port 41, tap water intake tunnel 2 and exhaust passage 4 are total With port 41, so that the structure of respirator is simpler, compact.

Exhaust passage 4 is connected to port 41 by air inlet 43, on shell 1 and is located at air inlet 43 equipped with inclined board 431, the water flow that inclined board 431 limits in tap water intake tunnel 2 enters exhaust passage 4, so that port 41 is in 4 He of exhaust passage In the case that tap water intake tunnel 2 shares, avoids the water flow in tap water intake tunnel 2 from entering in exhaust passage 4, influence to arrange The normal use in gas channel 4 promotes the reliability that respirator uses.

Specifically, shell 1 includes the first shell 11 close to liner and the second shell 12 far from liner.

The invention also discloses a kind of dish-washing machine, including shell, respirator and liner for placing tableware, breathing Device is any respirator as described in the above technical scheme, because the structure of the respirator in above-mentioned technical proposal is simple, compact, and Can to prevent siphon, so that the drain function of dish-washing machine is using reliable, will not occluded water in drainage channel.

It should be understood that S can also take 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm etc..

It should be understood that fixed block can also be located at the lower end of non-return piece, so that the lower end of elastic valve plate is fixed, upper end can It moves freely.

Embodiment two:

The present embodiment and the main distinction of embodiment one are that dish-washing machine further includes water tank, are additionally provided with Water in Water Tank in shell Intake tunnel.

As shown in Figure 6 to 8, dish-washing machine further includes water tank, and Water in Water Tank intake tunnel 9 is additionally provided in shell 1, is arranged in this way It is advantageous in that, so that respirator is dual-purpose, user can according to need selection cistern water supply or tap water supply, increase breathing The scope of application of device.

In the present embodiment, Water in Water Tank intake tunnel 9 includes the water tank water inlet 91 being connected to water tank and connects with air inlet 43 Logical water tank water out 92 so that the water of water tank is connected to also by port with liner, without be separately provided water tank water out with it is interior The connector of gallbladder further makes the structure of respirator simple, compact.

Specifically, on shell 1 and be located on the circumferencial direction of port 41 and be additionally provided with declined board 432, inclined board 432 and oblique Plate 432 constitutes air inlet 43, and water tank water out 92 is set on declined board 432, without in addition setting channel, so that the knot of respirator Structure is simple, compact.

Water in Water Tank intake tunnel 9 is equipped with solenoid valve 93 at water tank water inlet 91, and solenoid valve 93 controls Water in Water Tank water inlet The switch in channel 9, so that the available control of the water inlet of Water in Water Tank intake tunnel, solenoid valve 93 is located at Water in Water Tank intake tunnel 9 At water tank water inlet 91, electric energy can be saved in the entrance for most starting just to control water flow.

As shown in Figure 9 and Figure 10, the invention also discloses a kind of dish-washing machine, including shell 7, respirator, for putting The water tank 8 setting the liner of tableware and connecting with respirator, liner is interior to be equipped with bowl basket and spray arm, and tableware is placed in bowl basket, bowl Basket is located at the top of spray arm, and respirator is the respirator in two technical solution of any embodiment, so that the dish-washing machine both can be with It is connected to water to be washed, Water in Water Tank can also be connect and washed, allow dish-washing machine dual-purpose, the scope of application is wider.

Water tank 8 is equipped with water flowing check valve, so that can only be by water tank towards the unidirectional water flowing of respirator, in Water in Water Tank intake tunnel Water will not flow backward to water tank so that the water supply function of water tank is relatively reliable.

Water tank 8 is equipped with the water outlet 81 being connected to water tank water inlet 91, and water outlet 81 is arranged higher than water tank water inlet 91, Water in water tank is more easily entered in Water in Water Tank intake tunnel, so that the water supply function of water tank is relatively reliable.

Water tank 8 is located at the top of shell 7, water tank 8 and the non-dismountable connection of shell 7, because the installation of water tank is more troublesome, and Be easy to damage pipeline during the installation process, water tank is directly installed on the top of shell, user without additionally mounted so that The installation of dish-washing machine is simpler.

It should be understood that tableware can also be placed directly in liner.

It should be understood that water tank can also be located at the rear portion of shell.

It should be understood that water tank can also be located at the side of shell.

It should be understood that water tank can also be detachably connected with shell.

In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model Range defined in appended claims.

Claims (10)

1. a kind of respirator for dish-washing machine, dish-washing machine includes the liner for placing tableware, and respirator includes shell and sets In the intracorporal tap water intake tunnel of shell, drainage channel, exhaust passage and breather check valve, drainage channel include being connected to liner Drain inlet and the drain outlet that is in communication with the outside, exhaust passage include the port being connected to liner and be connected to ambient atmosphere Pneumostome, which is characterized in that the breather check valve includes valve body and elastic valve plate, and one end of elastic valve plate is fixed on valve body On, valve body is equipped with the blow vent in communicated drainage channel and exhaust passage, and elastic valve plate is located at blow vent communicated drainage channel Side and between blow vent there are gap, when dish-washing machine drains, the hydraulic pressure in drainage channel, which squeezes elastic valve plate, makes feather valve Piece blocks blow vent.

2. respirator according to claim 1, which is characterized in that the blow vent is equipped with convex close to the side of elastic valve plate Platform, boss are equipped with the connecting hole being connected to blow vent.

3. respirator according to claim 2, which is characterized in that the gap between the elastic valve plate and boss is S, 1mm≤S≤4mm。

4. respirator according to claim 1, which is characterized in that the elastic valve plate includes fixed block and non-return piece, valve Body is equipped with mounting groove, and elastic valve plate is fixed on valve body by fixed block and mounting groove cooperation.

5. respirator according to claim 1, which is characterized in that the valve body further includes limited step, limiting stand component level The angle of elastic valve plate swing is limited in side of the elastic valve plate far from blow vent.

6. respirator according to claim 1, which is characterized in that the exhaust passage is arranged higher than drainage channel, shell It is inside additionally provided with communicating passage, drainage channel is connected to by communicating passage with blow vent.

7. respirator according to claim 1, which is characterized in that the drainage channel includes inlet segment, draining section and company It connects inlet segment and drains the changeover portion of section, draining section includes the breeze way being obliquely installed.

8. respirator according to claim 1, which is characterized in that the tap water intake tunnel includes being connected to water source Running water inlet, tap water intake tunnel are connected to port.

9. respirator according to claim 8, which is characterized in that the exhaust passage is connected to port by air inlet, On shell and it is located at the inclined board that the water flow being equipped in limitation tap water intake tunnel at air inlet enters exhaust passage.

10. a kind of dish-washing machine, including shell, respirator and liner for placing tableware, which is characterized in that the respirator is Respirator described in claim 1 to 9 any one.