Air inlet structure of dish washing machine

Abstract

According to the air inlet structure of the dish washing machine, a base and a cleaning cavity located above the base are arranged on a dish washing machine main body, a table body is arranged in the cleaning cavity, and water accumulated in the cleaning cavity cannot submerge the surface of the table body through the height of the table body, so that water flow is prevented from being directly poured into a hot air channel, and the service life of the dish washing machine is prolonged. Meanwhile, a gravity air cover used for covering the hot air channel is pivoted to the top of the table body, the gravity air cover swings to be attached to the surface of the table body under the action of gravity, and therefore the hot air channel is closed, and water flow sprayed in the cleaning cavity cannot be sputtered into the hot air channel. When water flow cleaning is completed and hot air drying is needed, the hot air fan is started, the wind power of the hot air fan is larger than the weight of the gravity air cover, and therefore the gravity air cover is blown upwards, and hot air can smoothly enter the cleaning cavity for hot air drying. According to the scheme, on one hand, the length of the hot air channel is shortened, so that cost is saved, and on the other hand, hot air can enter the cleaning cavity more quickly, and heat application is more sufficient.

Description

Technical Field

[0001] The utility model relates to the field of dishwashers, in particular to an air inlet structure of a dishwasher. Background Art

[0002] After washing the dishes, the dishwasher needs to drain the water. At this time, a large amount of water will remain in the washing chamber and on the dishes. At this time, hot air needs to be blown into the washing chamber to dry the water in the washing chamber and on the dishes. For this reason, a hot air channel needs to be provided on the inner wall of the washing chamber. In order to prevent the water during washing from flowing back into the hot air blower along the hot air channel, the hot air channel is generally provided on the top or upper inner wall of the washing chamber, and the air duct is generally tilted upward to avoid water backflow. However, the structure of the dishwasher is generally provided at the bottom of the dishwasher, and so is the hot air blower. This results in the need for a very long air duct design. First, this causes an increase in cost. Second, an overly long air duct will cause the heat of the hot air to overflow, resulting in a decrease in thermal efficiency. Utility Model Content

[0003] In order to solve the above problems, the purpose of the utility model is to provide a dishwasher air inlet structure that can be directly set at the bottom of the cleaning chamber without worrying about water backflow, thereby saving costs and achieving higher heat utilization.

[0004] The technical solution adopted by this scheme to solve the problem is: a dishwasher air inlet structure, including:

[0005] A dishwasher body, wherein the dishwasher body is provided with a base and a cleaning cavity located above the base, a platform is provided at the bottom of the cleaning cavity, and a hot air channel penetrating into the base is provided at the top of the platform;

[0006] A hot air blower, wherein the hot air blower is arranged on the base, and an air outlet of the hot air blower is connected to the bottom of the hot air channel;

[0007] A gravity wind cover is pivotally connected to the top of the platform and can swing relative to the platform. The gravity wind cover movably covers the top of the hot air channel. The weight of the gravity wind cover is less than the wind force of the hot air blower.

[0008] As a further improvement of the above technical solution, a water retaining cover is arranged on the top of the platform body, a water retaining cavity located above the gravity wind cover is arranged at the bottom of the water retaining cover, and the edge of the water retaining cavity extends to the outside of the platform body.

[0009] As a further improvement of the above technical solution, the side of the water retaining cavity having the same opening and closing direction as the gravity wind cover extends to the outside of the platform body.

[0010] As a further improvement of the above technical solution, the height of the water retaining cavity is smaller than the width of the gravity wind cover.

[0011] As a further improvement of the above technical solution, the maximum opening and closing angle of the gravity wind cover does not exceed 89 degrees with the horizontal direction.

[0012] As a further improvement of the above technical solution, a sealing soft rubber pad is provided on the bottom surface of the gravity wind cover and / or the top of the platform.

[0013] The beneficial effects of the utility model are as follows: by arranging a platform in the cleaning chamber, the height of the platform is such that when there is a sufficient amount of cleaning water in the cleaning chamber, the water cannot cover the surface of the platform, thereby preventing the water flow from directly pouring into the hot air channel. At the same time, by pivotally connecting a gravity air cover for covering the hot air channel to the top of the platform, when washing tableware with water flow, the gravity air cover swings down to fit on the surface of the platform under the action of gravity, thereby closing the hot air channel. At this time, the water flow sprayed in the cleaning chamber cannot splash into the hot air channel. When the water flow cleaning is completed and hot air drying is required, the hot air blower is started, and its wind force is greater than the weight of the gravity air cover, thereby blowing the gravity air cover upward and then unfolding the hot air channel. At this time, the hot air can smoothly enter the cleaning chamber along the hot air channel, thereby performing hot air drying on the cleaning chamber and tableware. Through this solution, firstly, the hot air channel can be directly set at the bottom of the cleaning chamber, and the hot air blower is set in the base and located below the hot air channel, thereby shortening the length of the hot air channel and saving costs; secondly, the hot air can enter the cleaning chamber more quickly, thereby making more full use of the heat of the hot air. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further explained below in conjunction with the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the structure behind the hidden door;

[0017] Figure 3 for Figure 2 Partial exploded view;

[0018] Figure 4 This is a schematic diagram of the structure of the base after the shell is hidden;

[0019] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure in the AA direction. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0023] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0024] Reference Figures 1 to 5 , a dishwasher air inlet structure, comprising:

[0025] A dishwasher body 10 is provided with a base 11 and a cleaning chamber 12 located above the base 11, a platform 20 is provided at the bottom of the cleaning chamber 12, and a hot air channel 21 penetrating into the base 11 is provided at the top of the platform 20;

[0026] A hot air blower 30, wherein the hot air blower 30 is disposed on the base 11, and an air outlet of the hot air blower 30 is connected to the bottom of the hot air channel 21;

[0027] The gravity wind cover 40 is pivotally connected to the top of the platform 20 and can swing relative to the platform 20. The gravity wind cover 40 movably covers the top of the hot air channel 21. The weight of the gravity wind cover 40 is less than the wind force of the hot air blower 30.

[0028] By arranging a platform 20 in the washing chamber 12, the height of the platform 20 makes it possible that when there is a sufficient amount of cleaning water in the washing chamber 12, the water cannot cover the surface of the platform 20, thereby preventing the water flow from directly pouring into the hot air channel 21. At the same time, by pivotally connecting a gravity air cover 40 for covering the hot air channel 21 to the top of the platform 20, when washing dishes by water flow, the gravity air cover 40 swings down to fit on the surface of the platform 20 under the action of gravity, thereby closing the hot air channel 21. At this time, the water flow sprayed in the washing chamber 12 cannot splash into the hot air channel 21. When the water flow cleaning is completed and hot air drying is required, the hot air blower 30 is started, and its wind force is greater than the weight of the gravity air cover 40, thereby blowing the gravity air cover 40 upwards and then unfolding the hot air channel 21. At this time, the hot air can smoothly enter the washing chamber 12 along the hot air channel 21, thereby performing hot air drying on the washing chamber 12 and the dishes. Through this solution, firstly, the hot air channel 21 can be directly set at the bottom of the cleaning chamber 12, and the hot air blower 30 is set in the base 11 and located below the hot air channel 21, thereby shortening the length of the hot air channel 21 and saving costs. Secondly, the hot air can enter the cleaning chamber 12 more quickly, thereby making fuller use of the heat of the hot air.

[0029] In the present embodiment, the maximum opening and closing angle of the gravity wind cover 40 is preferably no more than 89 degrees from the horizontal direction, so that even if the gravity wind cover 40 is blown up to the maximum angle, it is always located directly above the hot air channel 21, and then under the action of gravity it will directly cover the top of the platform 20 to close the hot air channel 21.

[0030] In other embodiments, the opening and closing angle of the gravity air cover 40 may also exceed 90 degrees. In this case, firstly, other structures may not be used to reset the gravity air cover 40, but the gravity air cover 40 may be reset manually each time the washing is performed. Secondly, other methods may be used to reset the gravity air cover 40, such as setting a reset torsion spring on the pivotal shaft of the gravity air cover 40. However, in this case, the wind force of the hot air blower 30 must exceed the sum of the gravity of the gravity air cover 40 and the elastic force of the reset torsion spring. Alternatively, a telescopic push rod may be set on the inner wall of the washing chamber 12 to automatically push the gravity air cover 40 to reset it, but this will lead to increased costs.

[0031] In the present solution, in order to further prevent the water flow from directly impacting the gravity wind cover 40 and thus breaking the gravity wind cover 40, a water retaining cover 50 is preferably provided on the top of the table body 20, and a water retaining cavity 51 located above the gravity wind cover 40 is provided at the bottom of the water retaining cover 50, and the edge of the water retaining cavity 51 extends to the outside of the table body 20. Since the edge of the water retaining cavity 51 extends to the outside of the table body 20, when the gravity wind cover 40 is blown upward by the wind force of the hot air blower 30 in the water retaining cavity 51, the hot air flows along the inner wall of the water retaining cavity 51 to the edge, and is blown downward into the cleaning cavity 12 along the flow channel formed between the inner wall of the water retaining cavity 51 and the outer surface of the table body 20.

[0032] On this basis, it is preferred that the water retaining cavity 51 extends to the outside of the platform 20 on the side having the same opening and closing direction as the gravity wind cover 40 .

[0033] For further optimization, it is preferred that the height of the water retaining cavity 51 is smaller than the width of the gravity wind cover 40, so that when the gravity wind cover 40 is blown up, it will be blocked by the bottom surface of the water retaining cavity 51, so that the maximum opening and closing angle of the gravity wind cover 40 can never cross the vertical line, so that when the hot air blower 30 stops, the gravity wind cover 40 will automatically fall under the action of gravity.

[0034] For further optimization, in order to make the gravity wind cover 40 have a better sealing ability to the hot air channel 21, it is preferred that a sealing cushion is provided on the bottom surface of the gravity wind cover 40 and / or the top of the platform 20. Considering that the sealing cushion will increase the weight of the gravity wind cover 40 when it is provided on the bottom surface of the gravity wind cover 40, it is preferred that the sealing cushion is only provided on the top of the platform 20.

[0035] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A dishwasher air inlet structure, characterized in that: include: A dishwasher body (10), wherein the dishwasher body (10) is provided with a base (11) and a cleaning chamber (12) located above the base (11); a platform (20) is provided at the bottom of the cleaning chamber (12); and a hot air channel (21) is provided at the top of the platform (20) and penetrates into the base (11); a hot air blower (30), the hot air blower (30) being arranged on the base (11), and the air outlet of the hot air blower (30) being connected to the bottom of the hot air channel (21); A gravity wind cover (40) is pivotally connected to the top of the platform (20) and can swing relative to the platform (20). The gravity wind cover (40) movably covers the top of the hot air channel (21). The weight of the gravity wind cover (40) is less than the wind force of the hot air blower (30).

2. The air inlet structure of a dishwasher according to claim 1, characterized in that: A water retaining cover (50) is arranged on the top of the platform (20), and a water retaining cavity (51) located above the gravity wind cover (40) is arranged on the bottom of the water retaining cover (50), and the edge of the water retaining cavity (51) extends to the outside of the platform (20).

3. The air inlet structure of a dishwasher according to claim 2, characterized in that: The side of the water retaining cavity (51) which is in the same opening and closing direction as the gravity wind cover (40) extends to the outside of the platform body (20).

4. A dishwasher air inlet structure according to claim 2 or 3, characterized in that: The height of the water retaining cavity (51) is smaller than the width of the gravity wind cover (40).

5. The air inlet structure of a dishwasher according to claim 1, characterized in that: The maximum opening and closing angle of the gravity air cover (40) does not exceed 89 degrees with respect to the horizontal direction.

6. The air inlet structure of a dishwasher according to claim 1, characterized in that: A sealing soft rubber pad is provided on the bottom surface of the gravity wind cover (40) and / or the top of the platform (20).

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