CN108634902A - Anti- siphon integrated morphology and the dish-washing machine comprising it - Google Patents

Abstract

The present invention provides an anti-siphon integrated structure and a dishwasher containing the same. The anti-siphon integrated structure includes: a lower cover and an upper cover, the upper cover is arranged on the lower cover; the inner surface of the lower cover Separation ribs are provided to separate: the water inlet assembly, the drainage assembly, and the ventilation end; the water inlet assembly includes a water inlet, a water inlet channel, a water inlet outlet, and a first anti-siphon channel, and the water inlet channel and The first anti-siphon passage is connected; the drainage assembly includes a drainage inlet, a drainage passage, a drainage outlet, and a second anti-siphon passage, and the drainage passage is connected to the second anti-siphon passage; the first anti-siphon passage The siphon channel and the second anti-siphon channel communicate with the ventilation end respectively. The structure has the advantages of simple structure, small number of parts, low complexity and difficulty in assembling, small occupied space and low production cost.

Description

Anti-siphon integrated structure and dishwasher including same

technical field

The invention relates to the technical field of household appliances, in particular to an anti-siphon integrated structure and a dishwasher comprising the same.

Background technique

In the existing dishwashers, an anti-siphon structure is usually provided, but the anti-siphon structure for water inlet and the anti-siphon water discharge are separately arranged in the water inlet waterway and the water discharge waterway.

The water inlet anti-siphon is usually: the water inlet end is connected to the external flow meter through the rubber hose, the anti-siphon end is directly connected to the washing inner cavity, and the water outlet is connected to the water softener or the water cup through the rubber hose. Because the anti-siphon end is directly connected with the washing inner cavity, when the machine enters water, part of the water will enter the washing inner cavity through the anti-siphon end. Without water softening treatment, scale will form after long-term use, which will affect the performance of the dishwasher and reduce the user experience.

Drainage anti-siphon is usually as follows: the water outlet of the drainage pump is connected to the water inlet through a rubber hose, the anti-siphon end is connected to the top of the washing cavity through the rubber hose, and the water outlet is connected to the kitchen sewer through the rubber hose. When draining, the rubber hose connected to the anti-siphon end needs to be hung up to a certain position, so that the atmospheric pressure can act, so that the sewage can smoothly enter the sewer. After the drainage is completed, the water in the rubber hose at the outlet end continues to flow to the sewer. Its connecting pipeline is complex and takes up a lot of space.

For the above-mentioned water inlet anti-siphon and drainage anti-siphon, many parts are used, resulting in many processing steps of each part and many connecting water pipes.

Contents of the invention

In order to solve the above problems, the present invention proposes an anti-siphon integrated structure with a simple structure, which has fewer parts, less complicated assembly, less space occupation and low production cost.

The invention provides an anti-siphon integrated structure, comprising: a lower cover and an upper cover, the upper cover is arranged on the lower cover and fixedly connected; : water inlet assembly, drainage assembly, and ventilation end; the water inlet assembly includes a water inlet, a water inlet channel, a water inlet outlet, a first anti-siphon channel, and the water inlet channel is connected to the first anti-siphon channel pass; the drainage assembly includes a drainage inlet, a drainage channel, a drainage outlet, and a second anti-siphon channel, and the drainage channel communicates with the second anti-siphon channel; the first anti-siphon channel communicates with the second anti-siphon channel The siphon channels communicate with the ventilation ends respectively.

Preferably, partition ribs are provided on the inner side of the upper cover, and the partition ribs on the upper cover correspond to the partition ribs on the lower cover one by one, and the upper cover and the lower cover are hot-melt welded Together.

Preferably, an anti-siphon component is provided in the first anti-siphon passage and the second anti-siphon passage, and the anti-siphon component includes a blocking sheet, a hanging rod, an anti-siphon vent hole and a threshold; the hanging rod and the The anti-siphon ventilation hole is set on one side of the threshold; and one side of the blocking sheet is hung on the hanging rod, and the other side is vertically placed on one side of the threshold, and the blocking sheet covers Set on the anti-siphon vent hole.

Further preferably, the upper cover is provided with a positioning ring and a support column; the positioning ring is matched with the hanging rod and is sleeved on the periphery of the hanging rod, and the supporting column is opposite to the anti-siphon ventilation hole, And deducted on the barrier sheet.

Preferably, a flow meter is integrated in the water inlet channel. The flowmeter includes an impeller and a flowmeter cover; the center of the impeller is provided with an impeller shaft; the flowmeter cover is provided with an impeller shaft fixing hole, an impeller cavity, a flowmeter water inlet and a flowmeter water outlet; the impeller The shaft fixing hole is matched with the impeller shaft, the impeller chamber is matched with the impeller, the water inlet of the flow meter is connected with the water inlet, and the water outlet of the flow meter is connected with the water inlet outlet Pass.

Further preferably, the center of the impeller is provided with a groove around the impeller shaft, and the groove is used to place a magnet; the outer surface of the lower cover is provided with an induction element corresponding to the position of the impeller groove; The inductive element is used for inducing the magnet and generating a pulse signal. The sensing element includes a dry reed switch or a Hall element.

Preferably, the lower cover is also provided with a diversion channel, the diversion inlet of the diversion channel is used to communicate with the overflow port in the dishwasher, and the diversion outlet of the diversion channel is connected to the dishwashing machine. The chassis in the machine is connected.

The present invention also provides a dishwasher, which includes the above-mentioned anti-siphon integrated structure.

Beneficial effects of the present invention: by integrating the water inlet anti-siphon and the drainage anti-siphon into an integral structure, and the water inlet anti-siphon and the drainage anti-siphon share a ventilating end connected with the atmosphere, so that the overall structure is simple, the number of parts is small, The assembly is complicated and difficult, the space occupied is small and the production cost is low.

Description of drawings

Fig. 1 is a partial structural diagram of a dishwasher in an embodiment of the present invention.

Fig. 2a is a three-dimensional schematic view of the anti-siphon integrated structure of the dishwasher in the embodiment of the present invention.

Fig. 2b is a schematic diagram of the back of the anti-siphon integrated structure of the dishwasher in the embodiment of the present invention.

Fig. 2c is a side sectional view of the anti-siphon integrated structure of the dishwasher in the embodiment of the present invention.

Fig. 3 is a schematic diagram of the inner side of the lower cover in the embodiment of the present invention.

Fig. 4 is a schematic diagram of the anti-siphon assembly of the present invention.

Fig. 5 is a schematic diagram of the inner side of the upper cover in the embodiment of the present invention.

Fig. 6 is a schematic diagram of the outer surface of the lower cover in the embodiment of the present invention.

Fig. 7a is a schematic diagram of the impeller of the flowmeter in the embodiment of the present invention.

Fig. 7b is a schematic diagram of the flow meter cover in the embodiment of the present invention.

Fig. 8a is a top perspective view of the base in the embodiment of the present invention.

Fig. 8b is another perspective view of the base in the embodiment of the present invention.

Dishwasher 10; base 100, inner overflow port 101, outer overflow port 102, chassis alarm device 103; inner tank 200; anti-siphon integrated structure 300; upper cover 1, positioning ring 11, support column 12, cavity 13 ; Lower cover 2, partition rib 3; water inlet 211, water inlet 2111 of water inlet valve, water inlet 2112 of diaphragm pump, water inlet channel 212, water inlet outlet 213, first anti-siphon channel 214, first air vent 215; drain inlet 221, drain channel 222, drain outlet 223, second anti-siphon channel 224, second vent 225; anti-siphon component 24, blocking sheet 241, hanging rod 242, anti-siphon vent hole 243, threshold 244; ventilation end 23, the first vent hole 232, the convex ring 2321, the seal 2322; the flow meter 25, the impeller 251, the impeller shaft 2511, the groove 2512; the flow meter cover 252, the impeller shaft fixing hole 2521, the impeller cavity 2522, the flow meter inlet Water port 2523, flow meter water outlet 2524; magnet 26, sensing element 27; diversion channel 28, diversion inlet 281, diversion outlet 282.

Detailed ways

The present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be emphasized that the following descriptions are only exemplary and not intended to limit the scope of the present invention and its application.

In describing the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

As shown in FIG. 1 , the present invention provides a dishwasher 10 , which includes a base 100 , an inner container 200 fixedly connected to the base 100 , and an anti-siphon integrated structure 300 fixedly connected to the inner container 200 and the base 100 .

As shown in Figures 2a-2c, the anti-siphon integrated structure 300 provided by the present invention includes an upper cover 1 and a lower cover 2, a plurality of dividing ribs are arranged on the inner side of the lower cover, and a plurality of dividing ribs are also arranged on the inner side of the upper cover. Partition ribs, and the partition ribs on the upper cover correspond to the partition ribs on the lower cover one by one; Fusion welding can form a closed diversion space.

As shown in FIG. 3 , the inner surface of the lower cover 2 is divided into a plurality of components through the partition rib 3 , including a water inlet component, a drain component and a ventilating end.

The water inlet assembly includes a water inlet 211 , a water inlet channel 212 , a water inlet outlet 213 , and a first anti-siphon channel 214 . The water inlet channel 212 is connected to the first anti-siphon channel 214 through a first vent 215 . Among them, the water inlet 211 can use the water inlet 2111 of the water inlet valve and the water inlet 2112 of the diaphragm pump to facilitate different users to access the water inlet valve or the diaphragm pump to improve user experience; the water inlet outlet 213 is used to connect After entering the water softener device, it can be connected to the base water cup of the dishwasher, or directly connected to the base water cup of the dishwasher.

The drain assembly includes a drain inlet 221 , a drain channel 222 , a drain outlet 223 , and a second anti-siphon channel 224 , and the drain channel 222 is connected to the second anti-siphon channel 224 through a second vent 225 . The drain inlet 221 is used to connect to the drain pump of the dishwasher, and the drain outlet 223 is used to connect to the kitchen sewer. Both the first anti-siphon channel 214 and the second anti-siphon channel 224 are provided with an anti-siphon assembly 24. Specifically, as shown in FIG. 244. The hanging rod 242 and the anti-siphon ventilation hole 243 are arranged on one side of the threshold 244 and are parallel to the threshold 244; And it is perpendicular to the threshold 244 , and the blocking sheet 241 is covered on the anti-siphon vent hole 243 . There is an active gap between the blocking piece 241 and the anti-siphon ventilation hole 243 , so that the blocking piece 241 can open or close the anti-siphon ventilation hole 243 . The anti-siphon vent hole 243 is connected to the vent end 23 . Correspondingly, as shown in FIG. 5 , a positioning ring 11 and a support column 12 are provided on the inner side of the upper cover 1, and the positioning ring 11 cooperates with the hanging rod 242 in the anti-siphon assembly 24, and the positioning ring 11 can be sleeved on the the periphery of the hanging rod 242 . The support column 12 is opposite to the anti-siphon vent hole 243 in the anti-siphon component 24 , and buckles on the blocking piece 241 . The support column 12 is used to limit the upper limit of the movement of the blocking piece 241 , preventing the blocking piece 241 from being washed away by the vigorous water flow and losing the function of closing the anti-siphon vent hole 243 .

The ventilation end 23 communicates with the anti-siphon ventilation holes 243 in the first anti-siphon passage 214 and the second anti-siphon passage 224 respectively. The ventilation end 23 includes a first ventilation hole 232, and the first ventilation hole 232 communicates with the inner tank of the dishwasher. Specifically, as shown in Figure 6 and Figure 2c, the outer surface of the lower cover 2 is provided with a protruding ring 2321, inside the protruding ring 2321 is a first air hole 232, and the periphery of the protruding ring 2321 is sleeved with a sealing member 2322 (such as a rubber ring) Cooperate with the second ventilation hole on the inner bag 200 again. The second vent hole on the inner container 200 is sleeved on the periphery of the sealing member, so that the first vent hole 232, the sealing member 2322, and the second vent hole are concentric circles. Using the above structure, the first air hole 232 on the lower cover 2 and the second air hole on the inner tank 200 respectively squeeze the inner circumference and the outer circumference of the seal, which is better than the existing upper and lower two air holes of the seal. Side extrusion for better water resistance and stability. The first ventilation hole 232 of the ventilation end 23 is surrounded with partition ribs inclined to the first ventilation hole 232. Even if the water in the dishwasher liner 200 enters the first ventilation hole 232, it will flow along the partition ribs. back into the tank.

The dishwasher with the above anti-siphon integrated structure works as follows: when water enters (drains), the water enters the water inlet channel 212 (drainage channel 222), and then part of the water passes through the first air vent 215 (the second air vent). port 225) to the first anti-siphon passage 214 (second anti-siphon passage 224), in the direction shown by the solid arrow in Figure 4, the water flow goes up and bypasses the threshold 244, and produces a vertical thrust to the blocking plate 241, so that The blocking sheet 241 seals the anti-siphon vent 243; thus, the water flows from the water inlet outlet 213 (the drain outlet 223) to the water softener device and then enters the water cup of the base (in the kitchen sewer). When water intake (drainage) stops, the water level drops, and the water between the first vent 215 (second vent 225) and the anti-siphon vent 243 flows back, and the first anti-siphon passage 214 (second anti-siphon passage 224) Form a vacuum suction in the center, pull the anti-siphon blocking sheet 241, and open the closed anti-siphon vent hole 243, and the air passes from the second vent hole on the inner tank to the first vent hole 232 on the vent end 23, and then the dotted line in Fig. 4 In the direction indicated by the arrow, the gas circulates, eliminating the siphon effect.

The first air vent 215 and the second air vent 225 shown in the figure are notches on the partition rib, which can pass air or water. It can be understood that the first vent 215 and the second vent 225 can also be channels. Compared with the channel, the notch is more conducive to the upward flow of water and generates a greater thrust on the blocking piece 241 .

Through the above anti-siphon integrated structure, the water inlet anti-siphon and the drainage anti-siphon are integrated in one structure, and the water inlet anti-siphon and the drainage anti-siphon share a ventilating end connected with the atmosphere, which makes the overall structure simple; in addition, the The complicated and unnecessary connecting hoses in the water inlet and drainage pipelines simplify the pipeline connection with other parts of the dishwasher, reducing the number of fasteners for connecting pipes and water pipes, simplifying production and assembly, and effectively reducing the waterway design. And take up space and production costs. Water intake anti-siphon and drainage anti-siphon use anti-siphon components that have passed air but not water, which prevents water that has not undergone water quality treatment from directly entering the washing chamber when entering water; cancels the dependence on atmospheric pressure and eliminates the need for water when draining. Limitation of structural space.

In this embodiment, a flow meter 25 is also integrated in the water inlet channel 212 . As shown in Figures 7a-7b, the flowmeter 25 includes an impeller 251 and a flowmeter cover 252, the center of the impeller is provided with an impeller shaft 2511, and the flowmeter cover 252 is provided with: an impeller shaft fixing hole 2521 matching the impeller shaft 2511, and The impeller cavity 2522 with matching impeller size, the flowmeter water inlet 2523 for communicating with the water inlet 211 , and the flowmeter water outlet 2524 for communicating with the water inlet outlet 213 . As shown in FIG. 5 , a cavity 13 matching the flowmeter cover 252 is reserved on the upper cover 1 , and the upper cover 1 , the flowmeter cover 252 and the lower cover 2 are thermally welded at one time.

As shown in FIG. 7 a , a groove 2512 is formed at the center of the impeller 251 around the impeller shaft 2511 , and a magnet 26 is placed in the groove. As shown in FIG. 6 , on the outer surface of the lower cover, a sensing element 27 is provided at a position corresponding to the groove of the impeller. The flow meter 25 drives the impeller 251 to rotate through the water flow, and the fixed magnet 26 on the impeller rotates accordingly, and the induction element 27 generates a pulse signal accordingly, and the main control board controls the opening and closing of the water inlet valve or the diaphragm pump according to the set pulse number , to achieve the purpose of precisely controlling the water intake. Specifically, the inductive element 27 may be: a Hall element or a dry reed switch.

As shown in Figures 8a-8b, the inner side of the base 100 is provided with an inner overflow port 101, and the outer side is provided with an outer overflow port 102 communicating with the inner overflow port 101, and the inner overflow port 101 is connected with the outer overflow port. The pore cross-sectional area is preferably 40-100 square millimeters. As shown in Figure 3, the lower cover is provided with a diversion passage 28, and the diversion inlet 281 of the diversion passage 28 is used to communicate with the outer overflow port on the base, and the diversion outlet 282 of the diversion passage is connected to the outlet on the base. The chassis cover is connected. When the dishwasher has an abnormally high water level, the water in the washing chamber will overflow from the inner overflow port 101 of the base, then flow into the diversion inlet 281 through the outer overflow port 102, and finally flow out from the diversion outlet 282 into the chassis cover , and then start the alarm function by the chassis cover alarm device 103.

The above content is a further detailed description of the present invention in conjunction with specific/preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, they can also make some substitutions or modifications to the described embodiments, and these substitutions or modifications should be regarded as Belong to the protection scope of the present invention.

Claims (10)

1. A kind of anti-siphon integrated structure is characterized in that, comprises: lower cover, loam cake, and described loam cake is arranged on described lower cover and is fixedly connected; The inner side of described lower cover is provided with dividing rib, Separated by: water inlet assembly, drainage assembly, and ventilation end; The water inlet assembly includes a water inlet, a water inlet channel, a water inlet outlet, and a first anti-siphon channel, and the water inlet channel communicates with the first anti-siphon channel; The drainage assembly includes a drainage inlet, a drainage channel, a drainage outlet, and a second anti-siphon channel, and the drainage channel communicates with the second anti-siphon channel; The first anti-siphon passage and the second anti-siphon passage communicate with the ventilation end respectively. 2. anti-siphon integrated structure as claimed in claim 1, is characterized in that, the inner side of described loam cake is provided with partition rib, and the partition rib on the described loam cake and the partition rib on the described lower cover are one by one. Correspondingly, the upper cover and the lower cover are thermally welded together. 3. The anti-siphon integrated structure according to claim 1, wherein an anti-siphon assembly is provided in the first anti-siphon channel and the second anti-siphon channel, and the anti-siphon assembly includes a blocking sheet, hanging Rod, anti-siphon ventilation hole and threshold; the hanging rod and the anti-siphon ventilation hole are arranged on one side of the threshold; and one side of the blocking sheet is hung on the hanging rod, and the other side is vertical It is arranged on one side of the threshold, and the blocking piece is covered on the anti-siphon air hole. 4. The anti-siphon integrated structure according to claim 3, characterized in that, the upper cover is provided with a positioning ring and a support column; the positioning ring cooperates with the hanging rod and is sleeved on the periphery of the hanging rod , the support column is opposite to the anti-siphon vent hole, and buckled on the blocking sheet. 5. The anti-siphon integrated structure according to claim 1, characterized in that a flow meter is integrated in the water inlet channel. 6. The anti-siphon integrated structure according to claim 5, wherein the flowmeter comprises an impeller and a flowmeter cover; The center of the impeller is provided with an impeller shaft; The flowmeter cover is provided with an impeller shaft fixing hole, an impeller chamber, a flowmeter water inlet and a flowmeter water outlet; the impeller shaft fixing hole is matched with the impeller shaft, and the impeller chamber is matched with the impeller , the water inlet of the flow meter communicates with the water inlet, and the water outlet of the flow meter communicates with the water inlet outlet. 7. The anti-siphon integrated structure as claimed in claim 6, characterized in that, the center of the impeller is provided with a groove around the impeller shaft, and the groove is used to place magnets; the outer surface of the lower cover An inductive element is arranged at a position corresponding to the groove of the impeller; the inductive element is used for inducing the magnet and generating a pulse signal. 8. The anti-siphon integrated structure according to claim 7, wherein the sensing element comprises a reed switch or a Hall element. 9. The anti-siphon integrated structure according to claim 1, characterized in that, the lower cover is also provided with a diversion channel, and the diversion inlet of the diversion channel is used to connect with the overflow port in the dishwasher The diversion outlet of the diversion channel is communicated with the chassis in the dishwasher. 10. A dishwasher, characterized by comprising the anti-siphon integrated structure according to any one of claims 1-9.