Dish washing machine
By designing an inverted L-shaped exhaust pipe and a breather structure, the problem of dampness and bacterial growth in the insulating sponge caused by direct steam venting from the dishwasher is solved, achieving efficient steam removal and ensuring the cleanliness of the tableware.
Patent Information
- Application Number
- CN202323329535.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-06
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2033-12-06
AI Technical Summary
Existing dishwashers use a direct exhaust method to handle steam condensation, which makes the insulation sponge prone to moisture absorption. Over time, this can lead to the growth of bacteria and contamination of tableware.
Design an inverted L-shaped exhaust pipe and breather structure. The air inlet of the exhaust pipe is connected to the vent, and the air outlet is located above the inner liner. The thermal insulation sponge has a clearance area. The breather and exhaust pipe are set in the clearance area. Steam is discharged upward through the inverted L-shaped exhaust pipe to avoid direct discharge that would cause the thermal insulation sponge to get damp.
It effectively prevents high-temperature steam from being directly emitted and corroding the environment, avoids the insulation sponge from getting damp and growing bacteria, and ensures the cleanliness of tableware.
Smart Images
Figure CN223787600U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dishwasher technology, and in particular to a dishwasher. Background Technology
[0002] Dishwashers are household appliances used to clean dishes. Common functions include washing, drying, disinfection, storage, and water softening. The breather is an important component of mid-to-high-end dishwashers. Its function is to balance the pressure between the dishwasher's inner drum and the outside environment, and to prevent pressure rise caused by steam buildup in the inner drum during the drying process.
[0003] Existing dishwasher breathers typically handle steam condensation through direct exhaust, meaning that the hot, humid air coming out of the dishwasher's inner tub is directly discharged through the breather. This causes the outer insulation sponge to become damp easily, and over time, bacteria may grow and potentially enter the inner tub through the breather, contaminating the tableware. Utility Model Content
[0004] In view of the above-mentioned defects, the purpose of this utility model is to propose a dishwasher that solves the problem that the insulation sponge of existing dishwashers is prone to moisture, and may breed bacteria after long-term use, which may enter the inner tank through the respirator and contaminate the tableware.
[0005] To achieve this objective, the present invention adopts the following technical solution:
[0006] A dishwasher includes an inner tub, a door, a cabinet, insulating foam, a breather, and an exhaust pipe;
[0007] The door covers one side opening of the inner liner, and the door and the box are sealed together. The interior of the inner liner forms a water storage chamber, and a breather interface is provided on one side of the water storage chamber.
[0008] The respirator is connected to the outside of the inner liner through the respirator interface, and the respirator is provided with a vent.
[0009] The exhaust pipe has an inverted L-shaped structure, with the air inlet end of the exhaust pipe connected to the vent, and the exhaust end of the exhaust pipe located above the inner liner.
[0010] The insulating sponge is installed on the outside of the inner liner, and the insulating sponge has a clearance area for accommodating the respirator and the exhaust pipe.
[0011] Furthermore, the exhaust pipe includes an intake section and an exhaust section, which are interconnected and form an inverted L-shaped structure;
[0012] The respirator interface is located in the lower area of one side wall of the inner liner, the vent is located at the upper end of the respirator, the air inlet is vertically arranged and connected to the vent, the exhaust section is located on the upper end face of the inner liner, and the sides of the air inlet and the exhaust section facing the inner liner are both in contact with the wall of the inner liner.
[0013] Furthermore, the upper end face of the exhaust section is provided with a plurality of exhaust ports, which form a grid shape or are distributed in an array of holes.
[0014] In one embodiment, the respirator includes a housing, the internal structure of which forms a cavity, and the housing is provided with an inlet, an outlet, a breathing port, and a vent that communicate with the cavity;
[0015] The water inlet is connected to an external water source, the water outlet is connected to the water storage chamber, the breathing port is connected to the respirator interface, and the breathing port and the vent are connected.
[0016] The cavity is provided with a water passage, one end of which is connected to the water inlet and the other end of which is connected to the water outlet. The water passage is provided with an air blocking structure. The air blocking structure is provided with an overflow port, an inlet port, and an outlet port. The overflow port is connected to the vent, the inlet port is connected to the water inlet, and the outlet port is connected to the water outlet. The opening size of the inlet port is smaller than the opening size of the outlet port.
[0017] Furthermore, the upper region of the water flow channel is semi-circular, and the water flow channel is formed by providing a first condensation outer wall, a second condensation outer wall, and a condensation inner wall;
[0018] The inner condenser wall is located between the first outer condenser wall and the second outer condenser wall. The water flow channel formed between the first outer condenser wall and the inner condenser wall is connected to the water inlet. The water flow channel formed between the second outer condenser wall and the inner condenser wall is connected to the water outlet. The overflow outlet is opened on the second outer condenser wall and located at the upper end of the second outer condenser wall.
[0019] The breathing port is located in the area below the outer side of the second condenser wall.
[0020] Furthermore, the cavity is provided with an overflow baffle rib, which is located on the outside of the water flow channel. One end of the overflow baffle rib is connected to the initial section of the second condensation outer wall, and the other end of the overflow baffle rib extends downward at an angle away from the vent. The water-blocking surface of the overflow baffle rib faces the overflow port.
[0021] Furthermore, the breathing port and the respirator interface are connected by a connecting nut;
[0022] The cavity is also provided with a nut water-blocking rib, which is located in the area above the connecting nut, and the blocking surface of the nut water-blocking rib is set to fit against the outer side of the connecting nut.
[0023] Furthermore, the cavity is also provided with at least three condensation reflux ribs;
[0024] The vertical projections of two of the condensation return ribs coincide with the vertical projection of the nut water-blocking rib, and one of the condensation return ribs is located below the overflow water-blocking rib, and the condensation return rib is an arc-shaped segment that bends downward at both ends.
[0025] At least one of the condensation reflux ribs is connected at one end to the inner wall of the cavity away from the water flow channel, and the other end extends downward in an arc toward the breathing port.
[0026] Preferably, the opening of the vent faces the inner liner, and the lower end of the air inlet section is provided with a connecting part, which is engaged with the vent.
[0027] Preferably, the intake section and the exhaust section are integrally blow-extruded or injection-molded.
[0028] The technical solution provided by this utility model can include the following beneficial effects:
[0029] The respirator is connected to the outer wall of the inner liner via the respirator interface. The respirator has a vent, and the air inlet of the exhaust pipe is connected to the vent. The air outlet of the exhaust pipe is located above the inner liner. The insulating sponge is installed on the outside of the inner liner and has a clearance area. The clearance area is used to accommodate the respirator and the exhaust pipe. Therefore, the exhaust pipe is connected to the vent of the respirator, and the air outlet of the exhaust pipe is located above the inner liner, so that the gas entering the respirator is discharged upward through the inverted L-shaped exhaust pipe. This can prevent high-temperature steam from being directly discharged and causing corrosion to the surrounding environment of the dishwasher (such as cabinets). In addition, the insulating sponge has a clearance area, and the respirator and the exhaust pipe are placed in the clearance area, so that the insulating sponge will not get damp. Attached Figure Description
[0030] Figure 1 This is a structural schematic diagram of one embodiment of the present invention.
[0031] Figure 2 This is a structural schematic diagram of one embodiment of the present invention, in which the door and the box are omitted.
[0032] Figure 3yes Figure 2 Disassembly diagram.
[0033] Figure 4 These are schematic diagrams of two embodiments of the exhaust pipe of this utility model.
[0034] Figure 5 This is a schematic diagram of the structure of a respirator according to one embodiment of the present invention.
[0035] Figure 6 This is a front view of the internal structure of a respirator according to an embodiment of the present invention.
[0036] The components include: inner liner 1, water storage chamber 11, breather interface 12, door 2, box 3, insulation sponge 4, clearance area 41, breather 5, shell 50, vent 51, water flow channel 52, first condenser outer wall 521, second condenser outer wall 522, condenser inner wall 523, overflow baffle 524, water inlet 53, water outlet 54, breather 55, air blocking structure 56, overflow outlet 561, injection port 562, injection port 563, nut baffle 57, condensation return rib 58, exhaust pipe 6, air inlet section 61, connecting part 611, exhaust section 62, exhaust port 621, and connecting nut 7. Detailed Implementation
[0037] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0038] In the description of this utility model, it should be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" and "second" may explicitly or implicitly include one or more of these features, used to distinguish descriptive features, without any order or emphasis.
[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0040] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.
[0041] like Figures 1 to 3 As shown, a dishwasher includes an inner tub 1, a door 2, a cabinet 3, an insulating sponge 4, a breather 5, and an exhaust pipe 6;
[0042] The door 2 covers one side opening of the inner liner 1, and the door 2 and the box 5 are sealed together. The interior of the inner liner 1 forms a water storage cavity 11, and a breather interface 12 is provided on one side of the water storage cavity 11.
[0043] The respirator 5 is connected to the outside of the inner liner 1 through the respirator interface 12, and the respirator 5 is provided with a vent 51.
[0044] The exhaust pipe 6 has an inverted L-shaped structure. The air inlet end of the exhaust pipe 6 is connected to the vent 51, and the exhaust end of the exhaust pipe 6 is located above the inner liner 1.
[0045] The heat-insulating sponge 4 is installed on the outside of the inner liner 1. The heat-insulating sponge 4 is provided with a clearance area 41, which is used to accommodate the respirator 5 and the exhaust pipe 6.
[0046] Specifically, when a dishwasher heats and washes dishes, the air pressure inside the inner tub is significantly higher than the atmospheric pressure outside. To prevent the air pressure inside the tub from further increasing and potentially causing the door to open, the breather is typically equipped with a vent with a certain flow area to maintain the air pressure inside the tub within a certain range. In existing technology, the hot and humid air coming out of the dishwasher's inner tub is directly discharged through the breather, causing the outer insulation sponge to easily become damp. Over time, this can lead to bacterial growth and potentially contaminate the dishes by entering the inner tub through the breather. To address this issue, this invention proposes a dishwasher in which the breather 5 is connected to the outer wall of the inner tub 1 via the breather interface 12. The breather 5 has a vent 51, and the air inlet of the exhaust pipe 6... The exhaust pipe 6 is connected to the vent 51 and its outlet is located above the inner liner 1. The insulation sponge 4 is installed on the outside of the inner liner 1. The insulation sponge 4 has a clearance area 41, which is used to accommodate the respirator 5 and the exhaust pipe 6. Therefore, the exhaust pipe 6 is connected to the vent 51 of the respirator 5 and its outlet is located above the inner liner 1, so that the gas entering the respirator 5 is discharged upward through the inverted L-shaped exhaust pipe 6. This can prevent high-temperature steam from being directly discharged and causing corrosion to the surrounding environment of the dishwasher (such as cabinets). In addition, the insulation sponge 4 has a clearance area 41, and the respirator 5 and the exhaust pipe 6 are set in the clearance area 41, so that the insulation sponge will not get damp.
[0047] In an optional embodiment, the exhaust pipe 6 includes an intake section 61 and an exhaust section 62, the intake section 61 and the exhaust section 62 being interconnected and forming an inverted L-shaped structure;
[0048] The respirator interface 12 is located in the lower area of one side wall of the inner liner 1. The vent 51 is located at the upper end of the respirator 5. The air inlet section 61 is vertically arranged and connected to the vent 51. The exhaust section 62 is located on the upper end face of the inner liner 1. The sides of the air inlet section 61 and the exhaust section 62 facing the inner liner 1 are both in contact with the wall of the inner liner 1.
[0049] It should be noted that the respirator interface 12 is located in the lower area of one side wall of the inner liner 1, the vent 51 is located at the upper end of the respirator 5, the air inlet section 61 and the exhaust section 62 are interconnected and form an inverted L-shaped structure, the air inlet section 61 is vertically arranged and connected to the vent 51, when the high temperature gas exits from the vent 51 and enters the air inlet section 61, in a specific embodiment, several condenser strips are provided in the air inlet section 61 to condense the incoming steam, reduce gas discharge and lower gas temperature, and allow condensate to flow smoothly into the respirator 5; the sides of the air inlet section 61 and the exhaust section 62 facing the inner liner 1 are both in contact with the wall of the inner liner 1, making the external structure of the dishwasher more compact.
[0050] like Figure 4 As shown, the upper surface of the exhaust section 62 is provided with a plurality of exhaust ports 621. The plurality of exhaust ports form a grid shape or are distributed in an array of holes, which can prevent external organisms from entering the exhaust pipe or the inside of the dishwasher while ensuring the exhaust volume.
[0051] like Figures 5 to 6 As shown, in an optional embodiment, the respirator 5 includes a housing 50, the internal structure of which forms a cavity, and the housing 50 is provided with an inlet 53, an outlet 54, a breathing port 55 and a vent 51 communicating with the cavity;
[0052] The inlet 53 is connected to an external water source, the outlet 54 is connected to the water storage chamber 1, the breathing port 55 is connected to the respirator interface 12, and the breathing port 55 is connected to the vent 51.
[0053] The cavity is provided with a water passage 52. One end of the water passage 52 is connected to the water inlet 53, and the other end of the water passage is connected to the water outlet 54. The water passage 52 is provided with an air blocking structure 56. The air blocking structure 56 is provided with an overflow port 561, an inlet port 562, and an outlet port 563. The overflow port 561 is connected to the breathing port 55, the inlet port 562 is connected to the water inlet 14, and the outlet port 563 is connected to the water outlet 54. The opening size of the inlet port 562 is smaller than the opening size of the outlet port 563.
[0054] To further explain, the inlet 53 and the outlet 54 are connected by a water flow channel 52. An air-blocking structure is provided on the water flow channel. The air-blocking structure has an overflow port 561, an inlet 562, and an outlet 563. The overflow port 561 is connected to the vent 55, the inlet 562 is connected to the inlet 14, and the outlet 563 is connected to the outlet 54. The opening of the inlet 562 is smaller than the opening of the outlet 563. When the water flow velocity increases, most of the water will flow into the outlet 563 after passing through the inlet 562, with only a small amount flowing out. Some water flows out from the overflow port; therefore, most of the water enters the water storage chamber 11, and a small portion enters the water storage chamber 11 from the vent 55, which will not affect the exhaust of the vent 55; the overflow port 561 is connected to the vent 55, the vent 55 is connected to the air vent 51, and the air vent 51 is connected to the outside through the exhaust pipe. Therefore, the overflow port 561 is connected to the atmosphere, so that when the dishwasher water inlet pipe generates negative pressure (such as when the municipal water supply is interrupted or when fire water is used, negative pressure is generated in the municipal pipeline), the water in the water storage chamber 11 can be prevented from being drawn into the water flow channel 52 and contaminating the municipal water source.
[0055] In one specific embodiment, a flow meter 59 is also included. The flow meter 59 is installed in the water passage 52 and connected to the water inlet 53, which makes the structure simpler and allows for more precise control and adjustment of the amount of water entering the dishwasher inner tub.
[0056] like Figure 6 As shown, in an optional embodiment, the upper region of the water flow channel 52 is semi-circular, and the water flow channel 52 is formed by providing a first condensation outer wall 521, a second condensation outer wall 522, and a condensation inner wall 523;
[0057] The inner condenser wall 523 is located between the first outer condenser wall 521 and the second outer condenser wall 522. The water flow channel 52 formed between the first outer condenser wall 521 and the inner condenser wall 523 is connected to the inlet 53. The water flow channel 52 formed between the second outer condenser wall 522 and the inner condenser wall 523 is connected to the outlet 54. The overflow port 561 is opened on the second outer condenser wall 522 and is located at the upper end of the second outer condenser wall 522.
[0058] The breathing port 55 is located in the area below the outer side of the second condenser outer wall 522.
[0059] To further explain, the water passage 52 is formed by setting a first condensing outer wall 521, a second condensing outer wall 522, and a condensing inner wall 523, and the upper part of the water passage 52 is semi-circular. The vent 55 is located in the lower part of the outer side of the second condensing outer wall 522. Therefore, while the vent 55 discharges humid and hot air, the water passage 52 can be used to provide the first condensing outer wall 521 and the second condensing outer wall 522 to accelerate the condensation of humid and hot air and reduce the discharge of water vapor.
[0060] In an optional embodiment, the cavity is provided with an overflow baffle 524. The overflow baffle 524 is located on the outside of the water flow channel 52, and one end of the overflow baffle 524 is connected to the initial section of the second condensation outer wall 522. The other end of the overflow baffle 524 extends downward at an angle away from the vent 51, and the water-blocking surface of the overflow baffle 524 faces the overflow port 561.
[0061] It should be noted that the vent 51 is located above the breathing port 55, and the breathing port 55 is located in the lower area outside the second condenser outer wall 522. Therefore, when water entering through the inlet 53 flows out from the overflow port 561, it can be blocked by the overflow baffle 524 to ensure that it flows back to the breathing port 55, preventing water from flowing out of the overflow port 561 and then being diverted to the vent 51, thus preventing the dishwasher from triggering an overflow alarm and solving the problem of false overflow alarms in the dishwasher.
[0062] In an optional embodiment, the breathing port 55 and the respirator interface 12 are connected by a connecting nut 7;
[0063] The cavity is also provided with a nut water-blocking rib 57, which is located in the area above the connecting nut 7, and the blocking surface of the nut water-blocking rib 57 is set to fit against the outer side of the connecting nut 7.
[0064] It should be noted that a water-blocking rib 57 is provided above the connecting nut 7, and the blocking surface of the water-blocking rib 57 is disposed in close contact with the outer side of the connecting nut 7 to prevent contaminants from the dishwasher from flowing into the interior of the respirator 5 through the vent 55 along with the washing spray water, thus preventing contamination of the respirator 5. In a specific embodiment, a sealing gasket is installed between the connecting nut 7 and the housing 50.
[0065] In an optional embodiment, the cavity is further provided with at least three condensation reflux ribs 58;
[0066] The vertical projections of two of the condensation return ribs 58 coincide with the vertical projections of the nut water-blocking rib 57, and one of the condensation return ribs 58 is located below the overflow water-blocking rib 524, and the condensation return rib 58 is an arc-shaped segment with both ends bent downwards.
[0067] At least one of the condensation return ribs 58 is connected at one end to the inner wall of the cavity away from the water flow channel 52, and the other end extends downward in an arc toward the breathing port 55.
[0068] It should be noted that the layout of the aforementioned condensate return ribs 58 ensures the drainage of condensate water and prevents the insulation sponge from getting damp or contaminated by dishwasher pollutants, thereby reducing the potential for odors inside the dishwasher.
[0069] like Figure 4 As shown, in an optional embodiment, the opening of the vent 51 faces the inner liner 1, and the lower end of the air inlet section 61 is provided with a connecting part 611. The connecting part 611 is snapped into the vent 51. The structure is simple and makes it easy to assemble and disassemble the exhaust pipe 6 and the respirator 5.
[0070] Preferably, the intake section 61 and the exhaust section 62 are integrally blow-extruded or injection-molded.
[0071] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without any inventive effort, and these embodiments will all fall within the scope of protection of this utility model.
Claims
1. A dishwasher, characterized in that: Includes inner liner, door, box, insulation foam, breather, and exhaust pipe; The door covers one side opening of the inner liner, and the door and the box are sealed together. The interior of the inner liner forms a water storage chamber, and a breather interface is provided on one side of the water storage chamber. The respirator is connected to the outside of the inner liner through the respirator interface, and the respirator is provided with a vent. The exhaust pipe has an inverted L-shaped structure, with the air inlet end of the exhaust pipe connected to the vent, and the exhaust end of the exhaust pipe located above the inner liner. The insulating sponge is installed on the outside of the inner liner, and the insulating sponge has a clearance area for accommodating the respirator and the exhaust pipe.
2. A dishwasher according to claim 1, characterized in that: The exhaust pipe includes an intake section and an exhaust section, which are interconnected and form an inverted L-shaped structure. The respirator interface is located in the lower area of one side wall of the inner liner, the vent is located at the upper end of the respirator, the air inlet is vertically arranged and connected to the vent, the exhaust section is located on the upper end face of the inner liner, and the sides of the air inlet and the exhaust section facing the inner liner are both in contact with the wall of the inner liner.
3. A dishwasher according to claim 2, characterized in that: The upper surface of the exhaust section is provided with a number of exhaust ports, which form a grid shape or are distributed in an array of holes.
4. A dishwasher according to claim 1, characterized in that: The respirator includes a housing, the internal structure of which forms a cavity, and the housing is provided with an inlet, an outlet, a breathing port, and an air vent that communicate with the cavity; The water inlet is connected to an external water source, the water outlet is connected to the water storage chamber, the breathing port is connected to the respirator interface, and the breathing port and the vent are connected. The cavity is provided with a water passage, one end of which is connected to the water inlet and the other end of which is connected to the water outlet. The water passage is provided with an air blocking structure. The air blocking structure is provided with an overflow port, an inlet port, and an outlet port. The overflow port is connected to the vent, the inlet port is connected to the water inlet, and the outlet port is connected to the water outlet. The opening size of the inlet port is smaller than the opening size of the outlet port.
5. A dishwasher according to claim 4, characterized in that: The upper region of the water flow channel is semi-circular, and the water flow channel is formed by setting a first condensation outer wall, a second condensation outer wall, and a condensation inner wall; The inner condenser wall is located between the first outer condenser wall and the second outer condenser wall. The water flow channel formed between the first outer condenser wall and the inner condenser wall is connected to the water inlet. The water flow channel formed between the second outer condenser wall and the inner condenser wall is connected to the water outlet. The overflow outlet is opened on the second outer condenser wall and located at the upper end of the second outer condenser wall. The breathing port is located in the area below the outer side of the second condenser wall.
6. A dishwasher according to claim 5, characterized in that: The cavity is provided with an overflow baffle rib. The overflow baffle rib is located on the outside of the water flow channel. One end of the overflow baffle rib is connected to the initial section of the second condensation outer wall. The other end of the overflow baffle rib extends downward at an angle away from the vent. The water-blocking surface of the overflow baffle rib faces the overflow port.
7. A dishwasher according to claim 6, characterized in that: The breathing port and the respirator interface are connected by a connecting nut; The cavity is also provided with a nut water-blocking rib, which is located in the area above the connecting nut, and the blocking surface of the nut water-blocking rib is set to fit against the outer side of the connecting nut.
8. A dishwasher according to claim 7, characterized in that: The cavity is also provided with at least three condensation reflux ribs; The vertical projections of two of the condensation return ribs coincide with the vertical projection of the nut water-blocking rib, and one of the condensation return ribs is located below the overflow water-blocking rib, and the condensation return rib is an arc-shaped segment with both ends bent downwards. At least one of the condensation reflux ribs is connected at one end to the inner wall of the cavity away from the water flow channel, and the other end extends downward in an arc toward the breathing port.
9. A dishwasher according to claim 2, characterized in that: The vent opening faces the inner liner, and the lower end of the air inlet section is provided with a connecting part, which is engaged with the vent.
10. A dishwasher according to claim 2, characterized in that: The intake section and the exhaust section are integrally blow-extruded or injection-molded.