Respirator and dishwasher

Abstract

The present invention claims a respirator and a dishwasher, wherein the respirator includes a shell, a breathing port, a wastewater inlet and a wastewater outlet are arranged on the shell, wherein the breathing port is used to connect the inner tank of the dishwasher with the outside air; the wastewater inlet is used to connect to the dishwasher, and the wastewater outlet is used to connect to the sewage pipeline; the shell is provided with a wastewater channel, an air pressure regulating chamber connected to the wastewater channel, a check valve and a float-type one-way valve; wherein a channel joint is arranged on the air pressure regulating chamber, and the air pressure regulating chamber and the breathing port are connected through the channel joint; the check valve is arranged in the channel joint, and is used to conduct one-way communication between the air pressure regulating chamber and the breathing port; the float-type one-way valve is arranged in the air pressure regulating chamber, and the float-type one-way valve can block the channel joint. The present invention realizes double protection for the sewage discharge of the dishwasher through the reasonable structural arrangement of the check valve and the float-type one-way valve, ensures the normal sewage discharge of the wastewater channel, and has the function of preventing overflow.

Description

Technical Field

[0001] The invention belongs to the technical field related to household appliances, and in particular relates to a respirator and a dishwasher thereof. Background Art

[0002] A dishwasher is a household appliance used to wash dishes. Its common functions include washing, drying, disinfection, storage, water softening, etc. The breather is an important component of mid-to-high-end dishwashers. It balances the pressure inside the dishwasher and the external environment. During the drying operation of the dishwasher, it prevents the pressure increase caused by steam generated inside the dishwasher to ensure the safe use of the dishwasher.

[0003] It can be understood that the waste water generated after the dishwasher is operated is discharged to the outside through the sewage pipe, and the waste water outlet on the dishwasher is usually arranged below the waste water inlet on the sewage pipe. In order to ensure that the waste water in the dishwasher is smoothly discharged to the outside through the sewage pipe, a sewage channel is installed between the dishwasher and the sewage pipe, and a diaphragm-type one-way valve is connected to the sewage channel, so that the waste water in the dishwasher can be discharged from the sewage pipe through the sewage channel.

[0004] The above-mentioned diaphragm type one-way valve solves the problem of waste water from the dishwasher being discharged from low to high to a certain extent. However, when the amount of waste water in the dishwasher is large, it is easy to overflow from the diaphragm type one-way valve; and when negative pressure is generated in the dishwasher, the waste water may flow back into the dishwasher, which cannot well meet the dishwasher's demand for sewage discharge. Summary of the invention

[0005] Based on this, it is necessary to provide a respirator and a dishwasher thereof to address the technical problems existing in the prior art.

[0006] Specifically, a respirator is used on a dishwasher, comprising a shell, the shell is provided with a breathing port, a wastewater inlet and a wastewater outlet, wherein the breathing port is connected to the inner tank of the dishwasher and the outside air; the wastewater inlet is connected to the dishwasher, and the wastewater outlet is used to be connected to a sewage pipe; the shell is provided with a wastewater channel, an air pressure regulating chamber connected to the wastewater channel, a check valve and a float-type one-way valve; wherein the air pressure regulating chamber is provided with a channel joint, and the air pressure regulating chamber and the breathing port are connected through the channel joint; the check valve is arranged in the channel joint, and is used to conduct one-way communication between the air pressure regulating chamber and the breathing port; the float-type one-way valve is arranged in the air pressure regulating chamber, and the float-type one-way valve can block the channel joint.

[0007] As a preferred embodiment of the present invention, the channel joint is arranged on a side wall of the air pressure regulating chamber, and two through holes are opened on the channel joint, which are respectively defined as a first through hole and a second through hole, and the first through hole is connected with the second through hole, wherein the first through hole passes through the wall of the air pressure regulating chamber and is connected with the air pressure regulating chamber.

[0008] As a preferred solution of the present invention, the channel joint and the waste water channel are arranged on two opposite ends of the air pressure regulating chamber.

[0009] As a preferred solution of the present invention, the second through hole is vertically arranged relative to the first through hole, and the check valve is embedded in the second through hole.

[0010] As a preferred solution of the present invention, the check valve comprises a check valve body, one end of which is provided with a duckbill head, wherein a crack is formed on the end surface of the duckbill head.

[0011] As a preferred embodiment of the present invention, the float-type one-way valve comprises a float body, and the float body is provided with a plug connector at one end facing the channel connector, and the plug connector can partially extend into the first through hole of the channel connector to seal the channel connector.

[0012] As a preferred solution of the present invention, a silicone sheet is sleeved on the plug connector of the float-type one-way valve.

[0013] As a preferred embodiment of the present invention, the respirator further comprises a float seat, which is fixed in the air pressure regulating chamber; wherein the float-type one-way valve is arranged in the float seat and can reciprocate relative to the float seat.

[0014] As a preferred solution of the present invention, a partition is provided on the wastewater channel, and the wastewater inlet and the wastewater outlet are separated on both sides of the partition and are respectively connected to the wastewater channel.

[0015] The present invention also seeks protection for a dishwasher, comprising a dishwasher body, and a breather arranged on the dishwasher body, wherein the breather is any of the breathers described above.

[0016] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0017] The respirator and the dishwasher provided by the present invention realize double protection for the sewage discharge of the dishwasher when the respirator is assembled on the dishwasher for use, through the reasonable structural arrangement of the check head and the float-type one-way valve. The structural arrangement of the check head ensures that the wastewater in the wastewater channel will not contact the float-type one-way valve, thereby preventing the float-type one-way valve from failing due to the adhesion of grease in the wastewater. The structural arrangement of the float-type one-way valve prevents the check head from being damaged due to excessive pressure, thereby ensuring the normal sewage discharge of the wastewater channel and having an anti-overflow function. Moreover, when negative pressure is generated in the dishwasher, the check head can conduct the channel joint, thereby preventing the wastewater from flowing back into the dishwasher. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the respirator provided by the present invention.

[0019] Figure 2 It is a schematic diagram of the structure of the shell in the present invention.

[0020] Figure 3 It is a schematic diagram of the internal structure of the shell in the present invention.

[0021] Figure 4 It is a structural schematic diagram of the air guide tube in the present invention.

[0022] Figure 5 It is a schematic diagram of the internal structure of the air guide tube in the present invention.

[0023] Figure 6 It is a schematic structural diagram of the present invention.

[0024] Figure 7 It is a structural schematic diagram of the float type one-way valve in the present invention.

[0025] Among them, 10, shell; 11, breathing port; 12, exhaust port; 13, wastewater inlet; 14, wastewater outlet; 15, water inlet interface; 16, water outlet interface; 20, air guide tube; 21, groove; 22, fixing seat; 23, baffle; 24, inclined convex plate; 30, wastewater channel; 31, partition; 40, air pressure regulating chamber; 41, channel joint; 50, check head; 51, check head body; 52, duckbill head; 53. Crack; 60. Float-type one-way valve; 61. Float body; 62. Plug connector; 63. Silicone sheet; 70. Float seat; 80. Flow meter; 90. Connecting channel; 91. Vent; 101. Siphon bridge; 121. Connecting plate; 122. Boss; 123. Through hole; 201. Connecting channel section; 202. Rising channel section; 203. Outlet channel section; 2021. Upper side wall; 2022. Lower side wall. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0028] The dishwasher claimed for protection in the present invention comprises a dishwasher body (not shown) and a breather arranged on the dishwasher body, wherein the breather is mounted on the dishwasher, which can balance the pressure of the inner tank of the dishwasher and the outside air on the one hand, and supply clean water to the dishwasher and discharge waste water on the other hand.

[0029] See also Figure 1 and Figure 2 The respirator claimed in the present invention comprises a shell 10, on which a breathing port 11, an exhaust port 12, a wastewater inlet 13, a wastewater outlet 14, a water inlet interface 15 and a water outlet interface 16 are provided.

[0030] The breathing port 11 is connected to the inner tank of the dishwasher, the exhaust port 12 is connected to the outside air, and the breathing port 11 is connected to the exhaust port 12, so that the respirator is installed on the dishwasher to balance the pressure between the inner tank of the dishwasher and the outside air.

[0031] In this embodiment, an air duct 20 is provided on the exhaust port 12 of the shell 10, so that the hot air generated when the dishwasher is working can be discharged to the outside through the air duct 20. Compared with the respirator in the prior art that directly discharges hot air to the outside through the exhaust port, this effectively protects the circuits on the dishwasher and reduces the hidden dangers caused by moisture.

[0032] The air duct 20 is detachably connected to the housing 10 , and when the air duct 20 is applied to a respirator and assembled to a dishwasher, the air duct 20 is arranged to fit the dishwasher, and an outlet of the air duct 20 faces away from the dishwasher.

[0033] Please also read Figure 4 and Figure 5The housing 10 is provided with a connecting plate 121 at the location of the exhaust port 12, and a plurality of convex buckles 122 are fixed on the connecting plate 121; accordingly, a plurality of grooves 21 are provided on the air guide tube 20 for matching the plurality of convex buckles 122 on the connecting plate 121. When the air guide tube 20 is assembled on the housing 10, the convex buckles 122 of the connecting plate 121 on the housing 10 and the grooves 121 on the air guide tube 20 can be snap-fitted.

[0034] Furthermore, a fixing seat 22 is provided on the air guide tube 20, and a through hole 123 is opened on the shell 10. When the air guide tube 20 is assembled on the exhaust port 12 of the shell 10, the fixing seat 22 on the air guide tube 20 is arranged corresponding to the through hole 123 of the shell 20, and then a screw (not shown) is passed through the through hole 123 on the shell 10 and screwed to the fixing seat 22, so as to improve the assembly strength between the air guide tube 20 and the shell 10 when the air guide tube 20 is assembled on the shell 10.

[0035] In the air duct 20 of the present embodiment, a plurality of baffles 23 are fixed therein, so that the air entering into the air duct 20 from the exhaust port 12 of the shell 10 can come into contact with the plurality of baffles 23 in the air duct 20 and be blocked by the baffles 23, so that the water vapor in the air is condensed and flows back into the dishwasher. This can reduce the water vapor content in the air exhausted by the dishwasher equipped with the respirator when it is working, so as to further reduce the hidden dangers caused by moisture; on the other hand, it can also play the role of saving water.

[0036] In this embodiment, the air guide 20 specifically includes a connecting channel section 201, an ascending channel section 202 and an outlet channel section 203. The connecting channel section 201 is used to communicate with the exhaust port 12 on the shell 10, one end of the ascending channel section 202 is connected to the connecting channel section 201, and the other end is connected to the outlet channel section 203, and the outlet channel section 203 is used for the air guide 20 to exhaust outwards.

[0037] The baffle plate 23 in the air guide tube 20 is arranged in the ascending channel section 202 of the air guide tube 20, and is located on the upper and lower side walls (2021, 2022) of the ascending channel section 202. Part of the baffle plate 23 arranged on the upper side wall 2021 of the ascending channel section 202 is in a closed fit with the upper side wall 2021, and part of the baffle plate 23 arranged on the lower side wall 2022 of the ascending channel section 202 is in a gap fit with the lower side wall 2022.

[0038] It can be understood that the hot air rises from the bottom to the top in the air duct 20, and the part provided on the upper side wall 2021 of the ascending channel section 202 is sealed and matched with the upper side wall 2021, so that the baffle 23 can effectively block the hot air, so that the hot air continues to rise around the corresponding baffle 23 after touching the baffle 23, so as to promote the condensation and reflux of the hot air in the air duct 20. The part provided on the lower side wall 2022 of the ascending channel section 202 is gap-matched with the lower side wall 2022, because the liquid water formed by the condensation of the hot air will fall onto the lower side wall 2022 under the action of gravity, so the part of the baffle 23 provided on the lower side wall 2022 of the ascending channel section 202 can block the hot air while not affecting the reflux of the liquid water formed by the condensation of the hot air into the dishwasher.

[0039] An inclined convex plate 24 is fixed to the outlet channel section 203 of the air guide tube 20. The inclined convex plate 24 is tilted downward toward the ascending channel section 202 so that the liquid water condensed in the outlet channel section 203 can flow back into the dishwasher.

[0040] The wastewater inlet 13 is used to be connected to the dishwasher, and the wastewater outlet 14 is used to be connected to the sewage pipe, so that the respirator is assembled on the dishwasher to discharge the wastewater of the dishwasher.

[0041] It can be understood that when the dishwasher is installed on a sink for use, the wastewater outlet on the dishwasher for discharging wastewater is arranged below the wastewater inlet on the sewage pipe specifically used for draining wastewater, ensuring that the wastewater entering the shell 10 from the wastewater inlet 13 can be smoothly discharged from the wastewater outlet 14 to the sewage pipe.

[0042] To this end, please also refer to Figure 3 The respirator of this embodiment is provided with a waste water channel 30 , an air pressure regulating chamber 40 connected to the waste water channel 30 , a check valve 50 and a float-type one-way valve 60 on the housing 10 .

[0043] The wastewater channel 30 is used as a channel for wastewater to flow in the housing 10, so that the wastewater introduced into the housing 10 through the wastewater inlet 13 is discharged from the wastewater outlet 14 under the guidance of the wastewater channel 30. A partition 31 is provided on the wastewater channel 30, and the wastewater inlet 13 and the wastewater outlet 14 are separated on both sides of the partition 31 and are respectively connected to the wastewater channel 30.

[0044] The air pressure regulating chamber 40 is used to regulate the air pressure of the wastewater channel 30 to ensure that the wastewater introduced into the housing 10 through the wastewater inlet 13 can be smoothly discharged from the wastewater outlet 14 .

[0045] In this embodiment, a channel joint 41 is provided on the air pressure regulating chamber 40, and the air pressure regulating chamber 40 is connected to the breathing port 11 through the channel joint 41, and the breathing port 11 is connected to the exhaust port 12, so that the air pressure regulating chamber 40 can be connected to the outside air through the channel joint 41. The channel joint 41 and the wastewater channel 30 are arranged at two opposite ends of the air pressure regulating chamber 40.

[0046] Specifically, the channel joint 41 is arranged on a side cavity wall of the air pressure regulating cavity 40, and two through holes are opened on the channel joint 41, which are respectively defined as a first through hole (not shown in the figure) and a second through hole (not shown in the figure), the first through hole is connected to the second through hole, and the second through hole is arranged vertically relative to the first through hole, wherein the first through hole passes through the cavity wall of the air pressure regulating cavity 40 and is connected to the air pressure regulating cavity 40.

[0047] The check valve 50 is used to control the one-way communication between the air pressure regulating chamber 40 and the breathing port 11. That is to say, the check valve 50 only allows the passage connecting the air pressure regulating chamber 40 with the outside air to be one-way communicated, so that the air in the air pressure regulating chamber 40 cannot be discharged to the outside through the channel joint 41, while the external air can be input into the air pressure regulating chamber 40 through the channel joint 41.

[0048] The check valve 50 is disposed in the second through hole of the channel joint 41 , and the check valve 50 and the second through hole of the channel joint 41 are sealed.

[0049] Please also read Figure 6 The check valve 50 includes a check valve body 51, one end of which is provided with a duckbill head 52, wherein a crack 53 is formed on the end surface of the duckbill head 52, and the check valve 50 is assembled in an inverted manner in the second through hole of the channel joint 41. This allows external air to enter the check valve body 51, then enter the first through hole of the channel joint 41 by squeezing and expanding the crack 53 on the duckbill head 52, and finally enter the air pressure regulating chamber 40. However, the air in the air pressure regulating chamber 40 is restricted by the structure of the crack 53 on the duckbill head 52 and cannot be discharged in the reverse direction.

[0050] The float-type one-way valve 60 is disposed in the air pressure regulating chamber 40 , and the float-type one-way valve 60 can block the channel joint 41 , and is provided in conjunction with the check valve 50 , thereby achieving double protection for sewage discharge from the wastewater channel 30 .

[0051] Please also read Figure 7The float-type one-way valve 60 includes a float body 61 , and the float body 61 is provided with a plug connector 62 at one end facing the channel connector 41 . The plug connector 62 can partially extend into the first through hole of the channel connector 42 to seal the channel connector 42 .

[0052] Furthermore, a silicone sheet 63 is sleeved on the plug connector 62 of the float type one-way valve 60, so that when the plug connector 62 on the float type one-way valve 60 is inserted into the first through hole of the channel joint 41, the silicone sheet 63 can block the opening of the first through hole on the channel joint 41 and be squeezed by the plug connector 62 and the wall of the air pressure regulating chamber 40, thereby ensuring that the float type one-way valve 60 acts on the channel joint 41 and has a sealing effect on the channel joint 41.

[0053] In this embodiment, a float seat 70 is further provided in the housing 10, and the float seat 70 is fixed in the air pressure regulating chamber 40; wherein the float-type one-way valve 60 is provided in the float seat 70 and can reciprocate relative to the float seat 70. This facilitates the assembly of the float-type one-way valve 60 on the housing 10, and the structural setting of the float seat 70 guides the movement of the float-type one-way valve 60 in the air pressure regulating chamber 40, ensuring that the float-type one-way valve 60 can block the first through hole on the channel joint 41 when it moves in the air pressure regulating chamber 40.

[0054] As can be seen from the above, the check valve 50 is assembled in the second through hole of the channel joint 41, which limits the air in the air pressure regulating chamber 40 from being discharged outward. In this way, when the sewage pipeline connected to the wastewater outlet 14 is higher than the respirator, as the wastewater inlet 13 on the shell 10 introduces wastewater into the wastewater channel 30, the air in the wastewater channel 30 and the air pressure regulating chamber 40 will be compressed and form a certain pressure to overcome the pressure difference between the wastewater outlet 14 and the wastewater inlet 13, so that the wastewater in the wastewater channel 30 can be smoothly discharged from the wastewater outlet 14 into the sewage pipeline, and during the normal wastewater discharge process of the wastewater channel 30, the wastewater will not be higher than the float-type one-way valve 60, so that grease in the wastewater can be prevented from contacting the float-type one-way valve 60, thereby avoiding the situation where the float-type one-way valve fails due to the adhesion of grease. When the sewage pipeline connected to the wastewater outlet 14 is blocked, so that the pressure difference between the wastewater outlet 14 and the wastewater inlet 13 is large, the air in the air pressure regulating chamber 40 can push the float-type one-way valve 60, so that the float-type one-way valve 60 blocks the first through hole on the channel joint 41. On the one hand, this effectively protects the check valve 50 and prevents the check valve 50 from being damaged due to excessive pressure. On the other hand, as wastewater continues to enter the wastewater channel 30, the air in the wastewater channel 30 and the air pressure regulating chamber 40 is continuously compressed, so that the pressure on the wastewater outlet 14 gradually increases, thereby playing a role in unblocking the sewage pipeline.

[0055] In addition, once negative pressure is generated in the inner tank of the dishwasher, a pressure difference is formed between the air pressure regulating chamber 40 and the outside air, and the check valve 50 provided on the channel joint 41 will open to balance the waste water channel 30 and the air pressure in the dishwasher, thereby preventing waste water from flowing back into the inner tank of the dishwasher.

[0056] It can be understood that the present embodiment integrates the components for draining the dishwasher onto the breather, which has the function of reducing the production cost and the assembly cost compared with the independent structural arrangement of the components for draining the dishwasher in the prior art.

[0057] The water inlet interface 15 is used to connect to an external water circuit, and the water outlet interface 16 is used to connect to a dishwasher, so that the respirator is assembled on the dishwasher to supply water to the dishwasher.

[0058] The housing 10 is provided with a flow meter 80 on the water inlet interface 15, which is used to control the flow of the water inlet interface 15, thereby controlling the flow of water supplied by the respirator to the dishwasher. In this embodiment, the flow meter 80 is integrated on the water inlet interface 15 of the housing 10, thereby preventing errors caused by secondary assembly. Compared with the prior art, the respirator has a higher accuracy in flow control.

[0059] Among them, a connecting channel 90 is provided on the shell 10, and the connecting channel 90 is used to connect the water inlet interface 15 and the water outlet interface 16, so that when the respirator is installed in the dishwasher for use, under the flow control of the flow meter 80, the external water circuit enters the respirator through the water inlet interface 15, passes through the connecting channel 90 in the shell 10, and finally supplies water to the dishwasher through the water outlet interface 16.

[0060] In this embodiment, the connecting channel 90 is provided with a vent 91 for communicating with the outside air, wherein the vent 91 is arranged on a circular arc segment, so that the respirator has an anti-siphon function when mounted on the dishwasher. The housing 10 is provided with a siphon bridge portion 101, and the siphon bridge portion 101 is arranged at the position where the vent 91 is provided on the connecting channel 90, so that the water flow space of the part of the connecting channel 90 where the vent 91 is provided is smaller, thereby increasing the water flow velocity and ensuring that the water flow on the connecting channel 90 can smoothly pass through the vent 91 under the action of centrifugal force.

[0061] The siphon bridge portion 101 and the housing 10 are provided as an integral structure, specifically provided on the upper cover 102, and protruding relative to the upper cover 102 toward the lower cover 101. Compared with the existing structure in which the siphon bridge portion and the housing are provided as a separate structure, it is not only convenient for the overall assembly of the respirator, but also saves the mold for preparing the siphon bridge portion 101, and has the function of reducing the production cost.

[0062] In summary, the respirator and the dishwasher thereof provided by the present invention realize double protection for the sewage discharge of the dishwasher when the respirator is assembled on the dishwasher for use, through the reasonable structural arrangement of the check head and the float-type one-way valve. The structural arrangement of the check head ensures that the wastewater in the wastewater channel will not contact the float-type one-way valve, thereby preventing the float-type one-way valve from failing due to the adhesion of grease in the wastewater, and the structural arrangement of the float-type one-way valve prevents the check head from being damaged due to excessive pressure, thereby ensuring the normal sewage discharge of the wastewater channel and having an anti-overflow function. Moreover, when negative pressure is generated in the dishwasher, the check head can conduct the channel joint, thereby preventing the wastewater from flowing back into the dishwasher.

[0063] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0064] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A respirator for a dishwasher, comprising a housing, the housing being provided with a breathing port, a wastewater inlet and a wastewater outlet, wherein the breathing port is connected to the inner tank of the dishwasher and the outside air; the wastewater inlet is connected to the dishwasher, and the wastewater outlet is used to be connected to a sewage pipe; characterized in that: The shell is provided with a wastewater channel, an air pressure regulating chamber connected to the wastewater channel, a check valve and a float-type one-way valve; wherein the air pressure regulating chamber is provided with a channel joint, and the air pressure regulating chamber is connected to the breathing port through the channel joint; the check valve is arranged in the channel joint, and is used to conduct one-way communication between the air pressure regulating chamber and the breathing port; the float-type one-way valve is arranged in the air pressure regulating chamber, and the float-type one-way valve can block the channel joint; The channel joint is arranged on a side wall of the air pressure regulating chamber, and the channel joint is provided with two through holes, which are defined as a first through hole and a second through hole, respectively, the first through hole is communicated with the second through hole, wherein the first through hole passes through the wall of the air pressure regulating chamber and is communicated with the air pressure regulating chamber; The second through hole is vertically arranged relative to the first through hole, and the check valve is embedded in the second through hole; The float-type one-way valve comprises a float body, and a plug connector is provided at one end of the float body facing the channel connector, and the plug connector can be partially extended into the first through hole of the channel connector to block the channel connector; The shell is provided with an exhaust port, and the exhaust port is communicated with the breathing port.

2. The respirator according to claim 1, characterized in that: The channel joint and the waste water channel are arranged on two opposite ends of the air pressure regulating chamber.

3. The respirator according to claim 1, characterized in that: The check valve comprises a check valve body, one end of which is provided with a duckbill head, wherein a crack is formed on the end surface of the duckbill head.

4. The respirator according to claim 1, characterized in that: A silicone sheet is sleeved on the plug connector of the float type one-way valve.

5. The respirator according to claim 1, characterized in that: The respirator further comprises a float seat, which is fixed in the air pressure regulating chamber; wherein the float-type one-way valve is arranged in the float seat and can reciprocate relative to the float seat.

6. The respirator according to claim 1, characterized in that: A partition is arranged on the wastewater channel, and the wastewater inlet and the wastewater outlet are located on both sides of the partition and are communicated with the wastewater channel respectively.

7. A dishwasher, characterized in that: The dishwasher comprises a dishwasher body, and a breather arranged on the dishwasher body, wherein the breather is the breather described in any one of claims 1 to 6.

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