CN217244240U - Dish washing machine - Google Patents

Dish washing machine Download PDF

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Publication number
CN217244240U
CN217244240U CN202220844315.4U CN202220844315U CN217244240U CN 217244240 U CN217244240 U CN 217244240U CN 202220844315 U CN202220844315 U CN 202220844315U CN 217244240 U CN217244240 U CN 217244240U
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China
Prior art keywords
layer
door
layers
dishwasher
soft
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Active
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CN202220844315.4U
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Chinese (zh)
Inventor
程繁华
李翔
刘闪闪
蔡延涛
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Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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Priority to CN202220844315.4U priority Critical patent/CN217244240U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Washing And Drying Of Tableware (AREA)

Abstract

The utility model discloses a dish washing machine, which comprises a box body and a box door, wherein the box door can be connected on the box body in an opening and closing way; at least one in box and the chamber door includes the heated board, and the heated board is the composite bed structure who has at least three individual layers, and the hardness inequality of two adjacent individual layers of composite bed structure, and the hardness that is located innermost individual layer is less than adjacent individual layer's hardness. According to the utility model discloses dish washer, through setting at least one to composite bed structure in box and the chamber door, the hardness inequality of two adjacent individual layers of composite bed structure makes sound and heat attenuate gradually when transmitting in each individual layer, utilizes different interfaces reflection, refraction etc. to appear when passing between two adjacent individual layers moreover, reaches the effect that reduces heat transfer and sound transfer. In addition, the innermost single layer is softer, so that the laminating molding is convenient, and the heat-insulating and noise-reducing effects can be improved to a greater degree. By using the composite layer structure, the structural strength of the box body or the box door can be increased.

Description

Dish washing machine
Technical Field
The utility model relates to a domestic appliance field has and relates to a dish washer.
Background
The use of the dish washer is common in people's daily life, and the outstanding problem that exists when the dish washer is used is that the power consumption is more to its noise great, therefore noise and power consumption are the main focus of user's attention. When the dishwasher is in operation, water flow continuously impacts the inner container to generate vibration noise. Felts and sound-absorbing cotton have been widely used as noise-reducing and heat-insulating materials in dishwashers due to low cost, low technical requirements and other factors.
The existing sound-absorbing cotton and felt mainly achieve the effects of sound absorption, noise reduction and heat preservation through the sparse fiber structure. Because its structure is loose, the structural strength of inhaling sound cotton, felt is weak, can not play the bearing structure effect, simultaneously because the thermal insulation performance of self is general, leads to the energy consumption than higher. The above structure of the dishwasher has general noise reduction effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a dish washing machine, not only be favorable to keeping warm but also be favorable to making an uproar to fall.
According to the embodiment of the utility model, the dishwasher comprises a box body and a box door, wherein the box door is connected to the box body in an openable and closable manner; at least one of the box body and the box door comprises an insulation board, the insulation board is of a composite layer structure with at least three single layers, the hardness of two adjacent single layers of the composite layer structure is not equal, and the hardness of the single layer positioned at the innermost position is smaller than that of the adjacent single layer.
According to the utility model discloses dish washer, through setting at least one to composite bed structure in box and the chamber door, the hardness inequality of two adjacent individual layers of composite bed structure makes sound and heat attenuate gradually when transmitting in each individual layer, utilizes different interfaces reflection, refraction etc. to appear when passing between two adjacent individual layers moreover, reaches the effect that reduces heat transfer and sound transfer. In addition, the innermost single layer is softer, so that the heat-insulation and noise-reduction effects can be exerted to a greater degree. By using the composite layer structure, the structural strength of the box body or the box door can be increased.
In some embodiments, the single layers are hard layers and soft layers, respectively, and the hard layers and the soft layers are alternately arranged.
Specifically, the number of the single layers is an odd number, and the two single layers at the innermost and outermost are soft layers.
In some embodiments, at least one of the monolayers is a foamed layer.
Optionally, the hard layer is at least one of a polyurethane foam layer and a melamine foam layer.
Optionally, the soft layer is at least one of a felt layer, a cotton layer, a soft polyurethane foam layer, a soft melamine foam layer, a rubber-based foam layer, an ethylene propylene diene monomer foam layer, a butyl rubber foam layer, and a polymer foam layer.
In some embodiments, two adjacent said monolayers are connected by foaming, or by gluing.
In some embodiments, when the door includes the insulation panel, the door further includes: the heat insulation plate is clamped between the inner door plate and the outer door plate.
Specifically, be equipped with the installing port on the interior door plant, the chamber door still includes: the supporting platform is provided with a ring platform rib, the supporting platform penetrates through the mounting opening of the inner door plate, the ring platform rib is arranged on one side, far away from the outer door plate, of the inner door plate, the supporting platform is provided with a supporting groove on one side, far away from the outer door plate, and the supporting platform is a foaming piece.
Furthermore, an avoidance port is arranged on at least one single layer adjacent to the inner door panel and corresponds to the support table; the box door further comprises a sealing ring, and the sealing ring is clamped between the supporting table and the inner door plate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of a door according to an embodiment of the present invention;
fig. 2 is a sectional view of a door according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a door according to another embodiment of the present invention;
fig. 4 is an exploded view of a door according to an embodiment of the present invention.
Reference numerals are as follows:
a box door 1,
An inner door panel 11, a mounting opening 111, a flanging 112, an arch 113,
An outer door panel 12,
A support platform 13, a circular platform rib 131, a support groove 132,
A seal ring 14, a first seal ring 141, a second seal ring 142,
A hinged plate 15,
An avoidance groove 161, a matching platform 162, an avoidance port 163,
A heat-insulating board 2, a single layer 20, a hard layer 21, a soft layer 22,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A dishwasher according to an embodiment of the present invention will be described with reference to fig. 1 to 4.
The dishwasher according to the embodiment of the present invention includes a housing and a door 1 (as shown in fig. 1), and the door 1 is openably and closably connected to the housing. The type of dishwasher is not limited herein and may be a stand-alone dishwasher, a sink-type dishwasher, a built-in dishwasher, a table dishwasher or a drawer dishwasher. According to different types of dishwashers, the position of the box door 1 on the box body can be changed, and the box door 1 can be arranged at the top of the box body and also can be arranged at the side surface of the box body. According to the difference of dishwasher types, the connection mode of the box door 1 and the box body can be changed, the box door 1 can be connected to the box body in a hinged mode, the box door 1 can be connected to the inner container, the inner container is connected with the box body in a sliding mode, the inner container is accommodated in the box body in a drawable mode from an opening of the box body, and the box door 1 and the inner container are equivalent to a drawer at the moment.
The general dish washer has a cleaning function, and the cleaning function utilizes water flow to impact tableware to be washed so as to wash away oil stains on the surface of the tableware. Some dish washers have a sterilization function, and sterilize tableware by using ultraviolet rays or high temperature. The dish washer has a drying function, and water stains on the surface of the tableware are removed by using dry hot air flow.
The structure for performing the above functions is not limited in this application, and for example, in some examples, the dishwasher includes a steam generation system disposed in a cabinet, and dishes are washed using the steam generation system. The high-temperature steam not only can kill bacteria, fungi and other microorganisms on the surface of the tableware, but also can soften stubborn oil stains on the surface of the tableware. The steam generated by the steam generator can be sprayed out through the nozzle to spray steam to the inner container, so that the tableware can be washed by the steam. The high-temperature steam can be quickly dispersed in the inner container of the dish-washing machine, so that the surface temperature of the washed tableware is improved, and high-viscosity oil stains on the tableware can be softened as soon as possible and are easy to clean. The steam adheres to the surface of the dishes during the rinsing phase, thereby allowing the dishes to dry more quickly. Thereby achieving the dual purpose of improving the cleaning effect and the drying effect.
For another example, in some examples, a dishwasher includes a heat pump system including a blower, a condenser, and a steamer, the blower blowing dry hot air into the tub to entrain moisture, the dry hot air absorbing the moisture into a wet hot air stream. After the wet and hot air is cooled by the evaporator, the water vapor is condensed and removed, the remaining dry and cold air flow is heated by the condenser to form dry and hot air flow, and the dry and hot air flow returns to the inner container.
It can be seen that when the dishwasher performs various functions, the water flow impacts the tableware, or the air flow impacts the tableware, and when the water flow and the air flow impact the tableware, the water flow and the air flow impact the inner container or the box body and the box door 1 of the dishwasher. The impact not only causes the tableware to shake and collide with each other, but also can impact the inner container, the box body, the box door 1 and the like, so that the dish washing machine can generate larger noise and larger vibration. In addition, when the dishes are washed with hot water, sterilized with steam, or dried with hot air, heat is not only absorbed by the dishes, but also easily conducted out through the cabinet 1 or the door 1.
In order to solve the above problem, the present disclosure proposes that at least one of the box body and the box door 1 is configured to include the heat-insulating plate 2. Here can set up the box to include heated board 2, also can set up chamber door 1 to include heated board 2, perhaps all set up box and chamber door 1 to include heated board 2.
As shown in fig. 2 and 3, the insulation board 2 is a composite layer structure having at least three single layers 20, and the hardness of two adjacent single layers 20 of the composite layer structure is not equal. Wherein the hardness of the innermost monolayer 20 is less than the hardness of the adjacent monolayer 20. It can be understood here that each single layer 20 of the insulation board 2 can achieve the effects of sound absorption, noise reduction and heat insulation by using the material properties of the single layer. For example, a single layer 20 may have a fiber structure or a honeycomb structure inside, sound may be greatly attenuated when passing through the material, and heat may be easily blocked when passing through the pores of the fiber structure or the honeycomb structure. The adjacent single layers 20 of the insulating panel 2 in this application have different stiffness, and the heat and sound passing through the junction of the two single layers 20 is equivalent to passing from one structural layer of material to the other.
Here, hardness refers to the ability of a material to resist localized plastic deformation due to mechanical indentation or wear, and microscopically, it is the binding force between particles that is reflected. In the present application, the hardness of the adjacent single layers 20 of the thermal insulation plate 2 is different, which can substantially reflect that the two adjacent single layers 20 are different in particle binding force in a microscopic manner.
As is well known to those skilled in the art, the transmission of sound essentially depends on the vibration of a medium (such as air, liquid, solid), and the connection between molecules of the medium is utilized to transmit the vibration waveform to all directions. The change of the temperature of the object is understood from the microscopic level to be the intensity of the molecular motion of the object. The heat conduction of the object is understood from the microscopic level and is also the transfer by utilizing the molecular motion.
Because the micro-particle binding force of the adjacent single layer 20 of the heat insulation board 2 is different in the scheme of the application, the motion amplitude and the motion direction of the micro-particles of the adjacent two single layers 20 are different when noise or heat is conducted. Macroscopically, heat and sound travel differently in materials of different hardness.
Therefore, according to the scheme of the application, the effect of reducing heat transfer and sound transfer is achieved by utilizing the interface change between different material structure layers and utilizing the reflection, refraction and the like of heat and sound at different interfaces.
In the application, the hardness of the innermost single layer 20 is set to be small, the innermost single layer 20 is closest to the inside, the innermost single layer 20 is soft, so that the innermost single layer can be attached to other parts conveniently, and the single layer 20 is close to a sound source and a heat source, so that the heat insulation and noise reduction effects can be improved to a large extent.
According to the utility model discloses dish washer, through setting at least one to composite bed structure in box and chamber door 1, the hardness inequality of two adjacent individual layers 20 of composite bed structure makes sound and heat attenuate gradually when each individual layer 20 internal transfer, utilizes different interfaces reflection, refraction etc. to appear when passing moreover between two adjacent individual layers 20, reaches the effect that reduces heat transfer and sound transfer. In addition, the innermost single layer 20 is set to be softer, so that the laminating molding is convenient, and the heat preservation and noise reduction effects can be achieved to a greater extent. In addition, the structural strength of the box body or the box door 1 can be increased by using the composite layer structure.
The two adjacent single layers 20 have different hardness, and friction sound caused by mutual sliding of the single layers 20 when the two single layers 20 are made of high-hardness materials can be reduced. The application utilizes a composite layer structure, and due to friction and vibration caused by sliding, a soft single layer 20 can play a role in buffering between two adjacent single layers 20.
In the present application, the protective material layer is selected for each single layer 20 of the heat insulating sheet 2, and for example, a foamed layer, a cotton layer, a honeycomb layer, or the like may be selected.
In some embodiments, the single layers 20 are hard layers 21 and soft layers 22, respectively, and the hard layers 21 and the soft layers 22 are alternately disposed. The specific material types of the hard layer 21 and the soft layer 22 are not limited, but the insulation board 2 can have a three-layer or more-than-three-layer composite structure by using only two materials, which is beneficial to saving cost.
The hard layer 21 and the soft layer 22 are referred to as relative terms, and the single layer 20 having a high hardness is the hard layer 21 and the single layer 20 having a low hardness is the soft layer 22.
In particular, the number of monolayers 20 is odd, and both the innermost and outermost monolayers 20 are softer layers 22. It will be appreciated that the soft layer 22 is more easily fitted to surrounding components during assembly, and the provision of the soft layer 22 as the inner and outer layers 20 facilitates the shaping of the cabinet or door 1. Further, the cushioning protection function of the soft layer 22 can be sufficiently exerted at the outermost side and the innermost side.
In some embodiments, at least one of the single layers 20 is a foamed layer, which not only has a large space gap and a good sound and heat insulation effect, but also has high molding efficiency and low cost, and is convenient for mass production. The foaming layer has certain hardness and strength, so that the structural strength of the heat-insulation board 2 is higher. The foaming layer is utilized to form a single layer 20, and the single layer can be foamed into various conventional shapes or unconventional special-shaped structures, so that the assembly is convenient, for example, the foaming layer can be utilized to attach the single layer to the inner door and hinge structure.
In some embodiments, the hard layer 21 is at least one of a polyurethane foam layer and a melamine foam layer. The foaming layers made of the two materials are safe and high in stability, and are one of the types known in the prior art to have good heat preservation and noise reduction effects.
It is understood that in the above-mentioned embodiment, in the composite layer structure of the insulation board 2, the single layers 20 are the hard layers 21 and the soft layers 22 which are alternately arranged. When there are a plurality of hard layers 21, the material of different hard layers 21 may be the same, and the material of different hard layers 21 may be different.
In some embodiments, the soft layer 22 is at least one of a felt layer, a cotton layer, a soft polyurethane foam layer, a soft melamine foam layer, a rubber-based foam layer, an ethylene propylene diene monomer foam layer, a butyl rubber foam layer, and a polymer foam layer.
When the soft layer 22 is a felt layer, the felt layer is made of wool, and the wool is bonded by processing. The felt layer is elastic and can achieve the effects of shock resistance, sealing and the like.
When the soft layer 22 is a cotton layer, the cotton layer is made of cotton, and the cotton fiber contained in the soft layer has high strength, good air permeability and good heat resistance, and can adapt to the use environment of the dishwasher.
When the soft layer 22 is a foam layer, the material of the foam layer may be set to be very diversified, and may be a soft polyurethane foam layer, a soft melamine foam layer, a rubber-based foam layer, an ethylene propylene diene monomer foam layer, a butyl rubber foam layer, a polymer foam layer, or the like. The soft layer 22 adopts a foaming layer, so that the forming efficiency is high, the cost is low, and the mass production is convenient.
In the composite layer structure of the thermal insulation sheet 2, the single layers 20 are hard layers 21 and soft layers 22 alternately arranged. When there are a plurality of soft layers 22, the material of different soft layers 22 may be the same, and the material of different soft layers 22 may also be different. For example, when there are two softer layers 22, both softer layers 22 may be felt layers. For example, when there are three soft layers 22, the three soft layers 22 are a soft polyurethane foam layer, a soft melamine foam layer, and a rubber-based foam layer in this order.
In the solution of the present application, the connection between two adjacent single layers 20 is not fixed.
In some alternative embodiments, two adjacent monolayers 20 are connected by foaming. For example, one of the single layers 20 is a foamed layer, and the other single layer 20 is used as a foaming mold during foaming, and a foaming agent is filled in surface grooves and voids of the single layer 20 during foaming, so that the foamed layer formed after foaming and curing is directly connected with the single layer 20 as a whole. The connection in this way can save partial foaming models of the foaming layer, and the efficiency is higher without manual brushing.
In some alternative embodiments, the adjacent single-layers 20 are connected by gluing, so that the arrangement operation is simple and the error rate of workers is low.
In alternative embodiments, two adjacent single layers 20 are connected by interference fit. For example, when the soft layer 22 is sandwiched between the two hard layers 21, after the two hard layers 21 are fixedly connected, the gap between the two hard layers 21 is made smaller than the thickness of the soft layer 22, so that the soft layer 22 is pressed or even deformed, and the hard layers 21 and the soft layers 22 are tightly adhered to each other.
In some embodiments, as shown in fig. 3 and 4, when the door 1 includes the heat-insulating plate 2, the door 1 further includes: an inner door panel 11 and an outer door panel 12, the insulation panel 2 being sandwiched between the inner door panel 11 and the outer door panel 12. The inner door panel 11 is located on the inner side of the box door 1 (as shown in fig. 2 and 3, the rear side is the inner side, and the front side is the outer side), so that the functions of decoration, protection, waterproof sealing are achieved, and the inner door panel 11 can also play a supporting role. The inner door panel 11 is also provided with a detector and the like, and the inner door panel 11 corresponds to a fixed mounting base. The outer door panel 12 is positioned on the outer side of the box door 1, so that the functions of decoration, protection, water prevention and sealing are achieved. Some outer door panels 12 are provided with controllers, displays, etc.
In some embodiments, the door 1 saves the outer door panel 12, as shown in fig. 2, by using a single layer 20 on the outermost side of the insulation board 2 as a decorative surface.
Specifically, the insulation board 2 of the box door 1 comprises at least three layers of composite layer structures, the single layer 20 of the composite layer structure can be set to be a soft cotton layer, a hard foam cotton layer and a soft cotton layer, the two soft cotton layers are clamped on two sides of the hard foam cotton layer, and the hardness of the hard foam cotton layer is greater than that of the soft cotton layer. In this scheme, the intensity of whole chamber door 1 structure can be increased through the intensity of the cotton layer of stereoplasm foaming. A soft cotton layer is arranged between the inner door panel 11 and the hard foam layer, and a soft cotton layer is arranged between the outer door panel 12 and the hard foam layer. The two-layer soft cotton layer not only achieves the effects of noise reduction and heat insulation, but also is beneficial to playing a buffer protection role on the hard foaming cotton layer and the inner and outer door plates, and reducing friction noise.
In the heat insulation board 2 of the box door 1, the single layer 20 at the middle is set to be a hard foaming cotton layer, so that the shape matched with the hinge and the peripheral structure of the door is conveniently formed.
As shown in fig. 3 and 4, for example, the door 1 comprises a hinge plate 15, the hinge plate 15 being adapted to be hingedly connected to the cabinet. The heat insulation board 2 of the box body 1 comprises two soft layers 22 and a hard layer 21, wherein the hard layer 21 is sandwiched between the two soft layers 22, and the hard layer 21 is a foaming layer. The bottom of the hard layer 21 is provided with an avoiding groove 161 and a matching table 162 on one side facing the inside, the matching table 162 is located below the avoiding groove 161, the lower surface of the matching table 162 is an inclined surface, and the lower surface is inclined and extended in the upward direction. In this embodiment, the escape groove 161 and the engaging table 162 can be integrally formed by forming the hard layer 21 into a foamed layer, thereby reducing the number of processing steps.
In the description of the present invention, it is to be understood that the terms "center", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In some embodiments, as shown in fig. 3 and 4, the inner door panel 11 is provided with an installation opening 111, and the door 1 further includes: a support base 13, the support base 13 is disposed at the mounting opening 111, and the support base 13 has a support groove 132 at a side away from the outer door panel 12 for supporting the inner structure of the dishwasher. The detecting member may be installed in the supporting groove 132, for example.
Specifically, the support table 13 has a circular table rib 131, the support table 13 is inserted into the mounting opening 111 of the inner door panel 11, the circular table rib 131 is lapped on one side of the inner door panel 11 far away from the outer door panel 12, and the support table 13 is a foaming member. The supporting table 13 can enhance the heat preservation and noise reduction effects, and the supporting table 13 can be conveniently and rapidly processed.
Furthermore, at least one single layer 20 adjacent to the inner door panel 11 is provided with an avoiding opening 163, and the avoiding opening 163 is arranged corresponding to the support platform 13. The door 1 further comprises a gasket 14, the gasket 14 being sandwiched between the support platform 13 and the inner door panel 11. The avoiding opening 163 is provided to avoid the case door 1 from being too thick when the support base 13 is disposed. And the arrangement of the sealing ring 14 avoids water flow and stains from carrying out the heat insulation board 2, and avoids breeding of internal bacteria.
Specifically, the seal ring 14 includes a first seal ring 141 and a second seal ring 142, and the first seal ring 141 is sandwiched between the inner door panel 11 and the ring rib 131 of the support base 13 and receives a clamping force in the thickness direction of the door 1. The second seal ring 142 is fitted over the support table 13.
Optionally, the inner door panel 11 forms a flange 112 around the mounting opening 111, the flange 112 extends toward one side of the insulation board 2, and the second sealing ring 142 is located between the flange 112 and the support platform 13.
So set up, sealed contact surface is bigger, and sealed effect is better.
Further, the portion of the inner door panel 11 surrounding the mounting opening 111 is raised to form a raised abutment 113 protruding towards the inside of the dishwasher, the provision of the abutment 113 on the one hand increases the structural strength and facilitates assembly with the internal structure.
According to the utility model discloses dish washer of above-mentioned embodiment, it is better to fall to make an uproar, heat preservation effect.
Other configurations of a dishwasher according to embodiments of the present invention, such as a washing assembly, a heating assembly, etc., and operations are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The dishwasher is characterized by comprising a box body and a box door, wherein the box door is connected to the box body in an openable and closable manner;
at least one of the box body and the box door comprises an insulation board, the insulation board is of a composite layer structure with at least three single layers, the hardness of two adjacent single layers of the composite layer structure is not equal, and the hardness of the single layer positioned at the innermost position is smaller than that of the adjacent single layer.
2. The dishwasher of claim 1, wherein the single layers are hard and soft layers, respectively, the hard and soft layers being alternately disposed.
3. A dishwasher according to claim 2, wherein the number of monolayers is odd, and both the innermost and outermost monolayers are soft layers.
4. The dishwasher of claim 1, wherein at least one of the single layers is a foamed layer.
5. The dishwasher of claim 2, wherein the hard layer is at least one of a polyurethane foam layer and a melamine foam layer.
6. The dishwasher of claim 2, wherein the soft layer is at least one of a felt layer, a cotton layer, a soft polyurethane foam layer, a soft melamine foam layer, a rubber-based foam layer, an ethylene propylene diene monomer foam layer, a butyl rubber foam layer, and a polymer foam layer.
7. A dishwasher according to claim 1, wherein two adjacent said monolayers are connected by foaming or by gluing.
8. The dishwasher of any one of claims 1 to 7, wherein when the door comprises the insulation panel, the door further comprises: the heat insulation plate is clamped between the inner door plate and the outer door plate.
9. The dishwasher of claim 8, wherein the inner door panel is provided with a mounting opening, the door further comprising: the supporting platform is provided with a ring platform rib, the supporting platform penetrates through the mounting opening of the inner door plate, the ring platform rib is arranged on one side, far away from the outer door plate, of the inner door plate, the supporting platform is provided with a supporting groove on one side, far away from the outer door plate, and the supporting platform is a foaming piece.
10. The dishwasher of claim 9, wherein at least one of the single layers adjacent to the inner door panel is provided with an avoidance port, the avoidance port being provided corresponding to the support stand; the box door further comprises a sealing ring, and the sealing ring is clamped between the supporting table and the inner door plate.
CN202220844315.4U 2022-04-12 2022-04-12 Dish washing machine Active CN217244240U (en)

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Application Number Priority Date Filing Date Title
CN202220844315.4U CN217244240U (en) 2022-04-12 2022-04-12 Dish washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220844315.4U CN217244240U (en) 2022-04-12 2022-04-12 Dish washing machine

Publications (1)

Publication Number Publication Date
CN217244240U true CN217244240U (en) 2022-08-23

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