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CN-224220096-U - Anti-siphon backflow-preventing drainage system of dish washer

CN224220096UCN 224220096 UCN224220096 UCN 224220096UCN-224220096-U

Abstract

The siphon-proof backflow-proof drainage system of the dish washer comprises a drainage pipeline connected with an inner container and a drainer, wherein a drainage channel is arranged in the drainer, a breather is arranged on the drainer, an air inlet communicated with the outside atmosphere, a first air inlet channel and a first water gas channel are arranged on the breather, the drainage pipeline, the first water gas channel and the drainage channel are sequentially communicated to form a drainage waterway, the air inlet, the first air inlet channel and the first water gas channel are sequentially communicated to form a first air suction channel, and when the drainage waterway drains water, the outside atmosphere reaches the drainage waterway through the first air suction channel. According to the anti-siphon backflow-preventing drainage system, the air inlet communicated with the external atmosphere, the first air inlet channel and the first water-air channel are formed on the respirator, so that the first air suction channel is formed, when the drainage waterway drains water, the external atmosphere reaches the drainage waterway through the first air suction channel, namely, when the drainage waterway drains water, air is sucked at the same time, the air pressure balance communicated with the atmosphere is ensured, and further, the siphon effect is prevented.

Inventors

  • WANG YAN
  • LONG CHAOHUA
  • MAO YONGHONG

Assignees

  • 广东孚隆电器有限公司

Dates

Publication Date
20260512
Application Date
20250410

Claims (10)

  1. 1. A siphon-proof backflow-proof drainage system of a dish washer is characterized by comprising a drainage pipeline connected with an inner container (1) and a drainage device (2), wherein a drainage channel (3) is arranged in the drainage device (2), a breather (4) is arranged on the drainage device (2), an air inlet (54) communicated with the outside atmosphere, a first air inlet channel (5) and a first water-air channel (6) are arranged on the breather (4), the drainage pipeline, the first water-air channel (6) and the drainage channel (3) are sequentially communicated to form a drainage waterway, the air inlet (54), the first air inlet channel (5) and the first water-air channel (6) are sequentially communicated to form a first air suction waterway, and when the drainage waterway drains water, the outside atmosphere reaches the drainage waterway through the first air suction waterway.
  2. 2. The anti-siphon backflow-preventing drainage system of a dish washer according to claim 1, wherein the water softener (7) is arranged on the water drainer (2), a water inlet pipeline (8) is arranged on the side portion of the water softener (7), a second water gas channel (9), a water inlet channel and a resin cavity (10) are arranged on the water softener (7), the water inlet pipeline (8), the second water gas channel (9), the water inlet channel, the resin cavity (10) and the liner (1) are sequentially communicated to form a water inlet waterway, a second air inlet channel (11) is arranged on the respirator (4), an air inlet (54), the second air inlet channel (11) and the second water gas channel (9) are sequentially communicated to form a second air inlet waterway, and when water is fed into the water inlet waterway, external atmosphere reaches the water inlet waterway through the second air inlet waterway.
  3. 3. The anti-siphon backflow-preventing drainage system of a dish washer according to claim 2, wherein the drainage pipeline comprises a first drainage pipeline (12) and a second drainage pipeline (13), the inner container (1), the first drainage pipeline (12), the second drainage pipeline (13) and the first water-gas channel (6) are sequentially communicated, the second drainage pipeline (13) is vertically arranged above the first drainage pipeline (12), a one-way valve ball (14) is arranged in the second drainage pipeline (13), when a drainage waterway drains, drainage water pressure jacks up the one-way valve ball (14) to open the second drainage pipeline (13), and when the drainage waterway stops draining, the one-way valve ball (14) falls downwards under the action of gravity to block the second drainage pipeline (13).
  4. 4. The anti-siphon backflow prevention drainage system of a dishwasher according to claim 2, wherein the air inlet (54) is provided with a swingable valve plate (15), the valve plate (15) is obliquely arranged, the valve plate (15) closes the air inlet (54) when in a waiting state, and the valve plate (15) swings upwards under the action of external atmosphere to open the air inlet (54).
  5. 5. The anti-siphon backflow-preventing drainage system of a dish washer according to claim 2, wherein the first air inlet channel (5) comprises a first air channel (16) and a second air channel (17), a first ball valve (18) is arranged on the second air channel (17), when the first air inlet channel is used for air inlet, air pressure pushes the first ball valve (18) downwards to open the second air channel (17), the air inlet (54), the first air channel (16), the second air channel (17) and the first water air channel (6) are sequentially communicated, and when the first air inlet channel stops air inlet, the first ball valve (18) is reset upwards under the action of elastic force to block the second air channel (17).
  6. 6. The anti-siphon backflow prevention drainage system of a dish washer according to claim 5, wherein the second air inlet channel (11) comprises a third air channel (19) and a fourth air channel (20), a second ball valve (21) is arranged on the fourth air channel (20), when the second air inlet channel is used for air inlet, air pressure pushes the second ball valve (21) downwards to open the fourth air channel (20), the air inlet (54), the third air channel (19), the fourth air channel (20) and the second water air channel (9) are sequentially communicated, and when the second air inlet channel stops air inlet, the second ball valve (21) is reset upwards under the action of elastic force to block the fourth air channel (20).
  7. 7. The anti-siphon backflow drainage system of a dishwasher of claim 2, wherein the water inlet passage comprises a washing water inlet passage and a regeneration water inlet passage; The washing water inlet channel comprises a first water channel (22) and a second water channel (23), and the first water channel (22), the second water channel (23) and the resin cavity (10) are communicated in sequence; the regenerated water inlet channel comprises a third water channel (24), a salt cavity (25), a fourth water channel (26) and a water channel group, wherein the third water channel (24), the salt cavity (25), the fourth water channel (26), the water channel group and the resin cavity (10) are communicated in sequence; The second water gas channel (9) is switchably communicated with the first water channel (22) and the third water channel (24).
  8. 8. The anti-siphon backflow prevention drainage system of a dish washer according to claim 7, wherein a base (37) is arranged at the bottom of the inner container (1), the water softener (7) is arranged in the base (37), a fifth water channel (38) is formed between the water softener (7) and the base (37), a water inlet (27) is formed in the base (37), and the resin cavity (10), the fifth water channel (38), the water inlet (27) and the inner container (1) are sequentially communicated.
  9. 9. The anti-siphon backflow prevention drainage system of the dish washer according to claim 3, wherein a drainage through hole (28) is formed in the second drainage pipeline (13), the drainage through hole (28) is opened when the drainage water pressure props up the check valve ball (14) so as to open the second drainage pipeline (13), and the check valve ball (14) closes the drainage through hole (28) when falling downwards under the action of gravity so as to seal the second drainage pipeline (13); The second drainage pipeline (13) is internally provided with a supporting part (29), the drainage through hole (28) is arranged on the supporting part (29), and the check valve ball (14) is supported on the supporting part (29) when falling downwards under the action of gravity.
  10. 10. The anti-siphon backflow-preventing drainage system of the dish washer according to claim 9, wherein a water collecting cup (30) communicated with the inner container (1) is arranged at the bottom of the inner container (1), a water outlet (31) is arranged at the side part of the water collecting cup (30), the head end of the first drainage pipeline (12) is connected with the water outlet (31), a drainage pump (32) is arranged on the water outlet (31), the water inlet end of the drainage pump (32) is communicated with the inner container (1), and the water outlet end of the drainage pump (32) is communicated with the first drainage pipeline (12); The water inlet pipeline (8) comprises a water inlet pipe (33) and a water inlet cavity (34), the water inlet pipe (33), the water inlet cavity (34) and the second water-gas channel (9) are sequentially communicated, a flowmeter (35) is arranged in the water inlet cavity (34), a drain pipe (36) is arranged at the bottom of the drainer (2), and the drain channel (3) is communicated with the drain pipe (36).

Description

Anti-siphon backflow-preventing drainage system of dish washer Technical Field The utility model relates to the technical field of dish washers, in particular to an anti-siphon backflow-preventing drainage system of a dish washer. Background In addition, when the dish washing machine is used for water inflow, negative pressure is easily formed in the water inlet pipeline, so that water can flow back to the water inlet pipeline, namely, the siphon effect, the problem that the water cannot enter the inner container and the like can be caused, and some dish washing machines can be provided with anti-siphon valves in the water outlet pipeline and the water inlet pipeline, when negative pressure is formed in the pipelines, the valves can be automatically closed to prevent water backflow, but the anti-siphon valves are easy to fail after long-time use and cannot be automatically closed. Therefore, further improvements are needed. Disclosure of utility model The utility model aims to provide an anti-siphon anti-backflow drainage system of a dish washer, which has the advantages of simple structure, good anti-siphon effect, effective backflow prevention, long service life and strong practicability, so as to overcome the defects of the prior art. The siphon-proof backflow-proof drainage system of the dish washer is characterized by comprising a drainage pipeline connected with the liner and a drainer, wherein a drainage channel is arranged in the drainer, a breather is arranged on the drainer, an air inlet communicated with the outside atmosphere, a first air inlet channel and a first water gas channel are arranged on the breather, the drainage pipeline, the first water gas channel and the drainage channel are sequentially communicated to form a drainage waterway, the air inlet, the first air inlet channel and the first water gas channel are sequentially communicated to form a first air suction air channel, and when the drainage waterway drains water, the outside atmosphere reaches the drainage waterway through the first air suction air channel. The water softener is provided with a water softener, the side part of the water softener is provided with a water inlet pipeline, the water softener is provided with a second water gas channel, a water inlet channel and a resin cavity, the water inlet pipeline, the second water gas channel, the water inlet channel, the resin cavity and the liner are sequentially communicated to form a water inlet waterway, the respirator is provided with a second air inlet channel, the air inlet, the second air inlet channel and the second water gas channel are sequentially communicated to form a second air suction air channel, and when the water inlet waterway is used for water inlet, the external atmosphere reaches the water inlet waterway through the second air suction air channel. The drainage pipeline comprises a first drainage pipeline and a second drainage pipeline, the inner container, the first drainage pipeline, the second drainage pipeline and the first water-gas channel are sequentially communicated, the second drainage pipeline is vertically arranged above the first drainage pipeline, a check valve ball is arranged in the second drainage pipeline, when the drainage pipeline drains water, drainage water pressure jacks the check valve ball to open the second drainage pipeline, and when the drainage pipeline stops draining water, the check valve ball falls downwards under the action of gravity to block the second drainage pipeline. The air inlet is provided with a valve plate capable of swinging, the valve plate is obliquely arranged, the valve plate seals the air inlet when in a pending state, and the valve plate swings upwards under the action of external atmosphere to open the air inlet. The first air inlet channel comprises a first air channel and a second air channel, a first ball valve is arranged on the second air channel, when the first air suction channel is used for air inlet, the first ball valve is pushed down by air pressure to open the second air channel, the air inlet, the first air channel, the second air channel and the first water gas channel are sequentially communicated, and when the first air suction channel stops air inlet, the first ball valve is reset upwards under the action of elasticity to block the second air channel; The second air inlet channel comprises a third air channel and a fourth air channel, a second ball valve is arranged on the fourth air channel, when the second air inlet channel is used for air inlet, the second ball valve is pushed down by air pressure so as to open the fourth air channel, the air inlet, the third air channel, the fourth air channel and the second water gas channel are sequentially communicated, and when the second air inlet channel stops air inlet, the second ball valve is reset upwards under the action of elasticity so as to block the fourth air channel. The water inlet channel comprises a washing water inlet channel an