Dish-washing machine control panel sealing waterproof structure and dish-washing machine

Abstract

The invention discloses a dish-washing machine control panel sealing waterproof structure and a dish-washing machine, and the dish-washing machine control panel sealing waterproof structure comprises a panel support provided with a plurality of functional holes; the PCB is detachably arranged on one side of the panel support and corresponds to the functional holes; the back adhesive surface patch is tightly attached to one side, deviating from the PCB, of the panel bracket and covers each functional hole; an empty groove is formed in one side of the panel cover body, the panel cover body is arranged on one side of the panel support, the opening side of the empty groove is connected with one side of the panel support, the PCB is located in the empty groove, a through hole is formed in the panel cover body, and the through hole is communicated with the empty groove; and the sealing plug is arranged on the through hole of the panel cover body and is in interference fit with the through hole, and a wire harness hole is formed in the sealing plug. According to the sealing waterproof structure for the control panel of the dish-washing machine, the sealing waterproof performance of the mounting position of the PCB can be enhanced, that is, the sealing waterproof performance in the empty groove is enhanced, so that the risk that water vapor in a door body of the dish-washing machine causes adverse effects on the control panel of the dish-washing machine is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of dishwashers, and in particular to a dishwasher control panel sealing and waterproof structure and a dishwasher. Background Art

[0002] At present, dishwashers are widely used in the market, and many families have purchased dishwashers to wash dishes. When the dishwasher is finished, after opening the door, water vapor tends to rise from the door, which causes water droplets to condense on the dishwasher display window, especially in winter. In order to save costs, some existing dishwasher manufacturers usually rely only on the factory painting scheme of PCBA manufacturers, that is, waterproofing the PCB board with a waterproof paint layer, resulting in poor sealing and waterproofing effect at the dishwasher control panel. Water vapor or water droplets condensed from water vapor may penetrate into the cavity where the control panel is installed to form condensed water, which may cause adverse effects on the dishwasher control panel, such as short circuit and open circuit.

[0003] Therefore the prior art still needs to be improved and enhanced. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a dishwasher control panel sealing and waterproof structure and a dishwasher, aiming to solve the problem that some manufacturers in the prior art usually only rely on the factory painting scheme of the PCBA manufacturer in order to save costs, resulting in poor sealing and waterproof effect at the dishwasher control panel, and water vapor or water droplets condensed from water vapor may penetrate into the cavity where the control panel is installed to form condensed water, which may cause adverse effects on the dishwasher control panel.

[0005] The technical solution adopted by the present invention to solve the technical problem is as follows:

[0006] In a first aspect, an embodiment of the present invention provides a sealing and waterproof structure of a dishwasher control panel, comprising:

[0007] A panel bracket, wherein a plurality of functional holes are provided on the panel bracket;

[0008] A PCB board, the PCB board is detachably arranged on one side of the panel bracket and corresponds to each of the functional holes;

[0009] An adhesive-backed surface sticker, the adhesive-backed surface sticker is tightly attached to a side of the panel bracket away from the PCB board and covers each of the functional holes;

[0010] A panel cover, wherein a hollow groove is provided on one side of the panel cover, the panel cover is arranged on one side of the panel bracket, and an opening side of the hollow groove is connected to one side of the panel bracket, the PCB board is located in the hollow groove, and a through hole is provided on the panel cover, and the through hole is connected to the hollow groove;

[0011] A sealing plug is arranged on the through hole of the panel cover and is interference fit with the through hole. A wiring harness hole is provided on the sealing plug.

[0012] As a further improved technical solution, a first clamping groove is provided on the side periphery of the sealing plug, and the sealing plug and the panel cover are clamped together through the cooperation of the first clamping groove and the through hole.

[0013] As a further improved technical solution, a guiding slope is provided at one end of the sealing plug close to the PCB board.

[0014] As a further improved technical solution, a positioning hole is provided on the PCB board, a positioning column is provided on one side of the panel bracket, and the positioning hole is sleeved on the positioning column.

[0015] As a further improved technical solution, the PCB board is provided with a first screw hole, the panel bracket is provided with a second screw hole, and each of the first screw holes is arranged opposite to each of the second screw holes and corresponds one to one.

[0016] As a further improved technical solution, the above dishwasher control panel sealing and waterproof structure further includes:

[0017] Sealing ring; a second slot is provided on one side of the panel bracket close to the panel cover, the sealing ring is arranged in the second slot, and the side edge of the open side of the slot extends into the second slot and presses against the sealing ring.

[0018] As a further improved technical solution, the panel bracket is provided with a third screw hole, the panel cover is provided with a fourth screw hole, and each of the third screw holes is respectively arranged opposite to each of the fourth screw holes and corresponds one to one.

[0019] As a further improved technical solution, along the length direction of the panel bracket, one side of the panel bracket provided with the PCB board is provided with a plurality of first elastic buckles, and each of the first elastic buckles is respectively buckled with a side edge of the panel cover.

[0020] As a further improved technical solution, the panel bracket is provided with second elastic buckles at both ends of one side of the PCB board, and buckle positions are respectively provided at both ends of the panel cover body. The second elastic buckles at both ends of the panel bracket are respectively buckled with the buckle positions at both ends of the panel cover body and correspond one to one.

[0021] In a second aspect, an embodiment of the present invention further provides a dishwasher, which includes a dishwasher control panel sealing and waterproof structure as described in any one of the above.

[0022] Compared with the prior art, the embodiments of the present invention have the following advantages:

[0023] An embodiment of the present invention provides a sealed and waterproof structure for a dishwasher control panel, comprising: a panel bracket, wherein a plurality of functional holes are provided on the panel bracket; a PCB board, wherein the PCB board is detachably arranged on one side of the panel bracket and corresponds to each of the functional holes; an adhesive-backed surface sticker, wherein the adhesive-backed surface sticker is tightly attached to a side of the panel bracket away from the PCB board and covers each of the functional holes; a panel cover, wherein an empty groove is provided on one side of the panel cover, the panel cover is arranged on one side of the panel bracket, and an opening side of the empty groove is connected to one side of the panel bracket, the PCB board is located in the empty groove, and a through hole is provided on the panel cover, and the through hole is connected to the empty groove; a sealing plug, wherein the sealing plug is arranged on the through hole of the panel cover and has an interference fit with the through hole, and a wiring harness hole is provided on the sealing plug. In the present invention, by pasting adhesive stickers on the panel bracket to cover the functional holes, the sealing and waterproof properties of the functional keys of the dishwasher can be enhanced to prevent external water vapor or water droplets from penetrating into the dishwasher through the functional holes, thereby preventing the PCB board from being contaminated with water vapor or water droplets; at the same time, in order to facilitate the entry and exit of the terminals connected to the PCB board, a through hole is provided on the panel cover. In order to prevent water vapor from penetrating from the inside of the dishwasher door body to the PCB board, a sealing plug is provided at the through hole, and a harness hole is provided on the sealing plug for the harness to pass through, further enhancing the sealing and waterproof properties of the PCB board. The sealing and waterproof structure of the dishwasher control panel provided by the present invention can further enhance the sealing and waterproof properties of the PCB board installation location, that is, enhance the sealing and waterproof properties in the empty groove, so as to reduce the risk of water vapor in the dishwasher door body causing adverse effects on the dishwasher control panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 An exploded diagram of a sealing and waterproof structure of a dishwasher control panel provided by the present invention;

[0025] Figure 2 A schematic diagram of the back three-dimensional structure of a dishwasher control panel sealing and waterproof structure provided by the present invention;

[0026] Figure 3 A front three-dimensional structural schematic diagram of a sealing and waterproof structure of a dishwasher control panel provided by the present invention;

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the sealing plug in the present invention;

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the PCB board in the present invention;

[0029] Figure 6 It is a schematic diagram of the back three-dimensional structure of the panel cover in the present invention;

[0030] Figure 7It is a schematic diagram of the front three-dimensional structure of the panel cover body in the present invention;

[0031] Figure 8 It is a schematic diagram of the front three-dimensional structure of the panel bracket in the present invention;

[0032] Fig. 9 It is a schematic diagram of the back three-dimensional structure of the panel bracket in the present invention;

[0033] Fig.10 for Fig. 9 A is an enlarged schematic diagram.

[0034] In the figure: 1. Panel bracket; 101. Function hole; 102. Positioning column; 103. Second screw hole; 104. Second card slot; 105. Third screw hole; 106. First elastic buckle; 107. Second elastic buckle; 108. Oblique rib; 2. PCB board; 201. Positioning hole; 202. First screw hole; 3. Adhesive surface sticker; 4. Panel cover; 401. Empty slot; 402. Through hole; 403. Fourth screw hole; 404. Buckle position; 405. Extended edge; 406. Reinforcement rib; 5. Sealing plug; 501. Harness hole; 502. First card slot; 503. Guide slope; 6. Sealing ring; DETAILED DESCRIPTION

[0035] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0036] At present, dishwashers are widely used in the market, and many families have purchased dishwashers to wash dishes. When the dishwasher is finished using and the door is opened, water vapor is likely to rise on the door body, which causes water droplets to condense on the display window of the dishwasher, and this is particularly obvious in winter; in order to save costs, some existing dishwasher manufacturers usually only rely on the factory painting solution of the PCBA manufacturer, that is, a waterproof paint layer is applied on the PCB board for waterproofing, resulting in poor sealing and waterproofing effect at the dishwasher control panel, and water vapor or water droplets condensed from water vapor may penetrate into the cavity where the control panel is installed to form condensed water, which may cause adverse effects on the dishwasher control panel, such as short circuit, open circuit, etc. Therefore, the present invention provides the following embodiments to solve the above technical problems.

[0037] Embodiment 1:

[0038] See also Figure 1-Figure 10The sealing and waterproof structure of the dishwasher control panel includes: a panel bracket 1, on which a plurality of functional holes 101 are provided; a PCB board 2, which is detachably arranged on one side of the panel bracket 1 and corresponds to each of the functional holes 101; an adhesive surface sticker 3, which is tightly attached to the side of the panel bracket 1 away from the PCB board 2 and covers each of the functional holes 101; a panel cover 4, on one side of which an empty slot 401 is provided, the panel cover 4 is arranged on one side of the panel bracket 1, and the opening side of the empty slot 401 is connected to one side of the panel bracket 1, the PCB board 2 is located in the empty slot 401, and a through hole 402 is provided on the panel cover 4, and the through hole 402 is communicated with the empty slot 401; a sealing plug 5, which is arranged on the through hole 402 of the panel cover 4 and has an interference fit with the through hole 402, and a harness hole 501 is provided on the sealing plug 5.

[0039] like Figure 1-Figure 8As shown, in this embodiment, the sealed and waterproof structure of the dishwasher control panel includes a panel bracket 1, a PCB board 2, an adhesive surface sticker 3, a panel cover 4 and a sealing plug 5; wherein, the panel bracket 1 is provided with a plurality of function holes 101, each of the function holes 101 is used to install different function keys and key accessories, such as a dishwasher water volume adjustment key, a dishwashing timer key, etc., the PCB board 2 is detachably arranged on one side of the panel bracket 1, which is convenient for installation and later disassembly, and easy for maintenance, and the side of the PCB board 2 close to the panel bracket 1 corresponds to each of the function holes 101, so as to correspond to each function key; the adhesive surface sticker 3 is tightly attached to the side of the panel bracket 1 away from the PCB board 2, and covers each of the function holes 101, when a key is installed in the function hole 101, the adhesive surface sticker 3 is tightly attached to the side of the panel bracket 1 away from the PCB board 2 and covers each key When the adhesive backing sticker 3 is in close contact with the panel bracket 1, it can prevent water vapor or water droplets from entering the structure from the functional hole 101, thereby preventing the PCB board 2 from getting wet; an empty slot 401 is provided on one side of the panel cover 4, and one side of the empty slot 401 is open. The panel cover 4 is arranged on one side of the panel bracket 1, and the open side of the empty slot 401 is connected to one side of the panel bracket 1. The PCB board 2 is located in the empty slot 401. A through hole 402 is provided on the panel cover 4, and the through hole 402 is connected to the empty slot 401; a sealing plug 5, which is arranged on the through hole 402 of the panel cover 4 and has an interference fit with the through hole 402. A wiring harness hole 501 is provided on the sealing plug 5. The size of the wiring harness hole 501 is determined according to the size of the wiring harness. After the wiring harness passes through the wiring harness hole 501, it has an interference fit with the wiring harness hole 501 or foam glue is applied to the wiring harness hole 501 to seal the wiring harness hole 501. In the present invention, by pasting the adhesive sticker 3 on the panel bracket 1 to cover the function holes 101, the sealing and waterproof properties of the function keys of the dishwasher can be enhanced, and external water vapor or water droplets can be prevented from penetrating into the dishwasher through the function holes 101, thereby preventing the PCB board 2 from being contaminated with water vapor or water droplets; at the same time, in order to facilitate the entry and exit of the terminal connected to the PCB board 2, a through hole 402 is provided on the panel cover 4. In order to prevent water vapor from penetrating from the inside of the dishwasher door body to the PCB board 2, a sealing plug 5 is provided at the through hole 402, and a harness hole 501 is provided on the sealing plug 5 for the harness to pass through, further enhancing the sealing and waterproof properties of the PCB board 2. The sealing and waterproof structure of the dishwasher control panel provided by the present invention can further enhance the sealing and waterproof properties of the PCB board 2 installation location, that is, enhance the sealing and waterproof properties in the empty slot 401, so as to reduce the risk of water vapor in the dishwasher door body causing adverse effects on the dishwasher control panel.

[0040] As a further solution, the side periphery of the sealing plug 5 is provided with a first clamping groove 502, see Figure 4, the sealing plug 5 and the panel cover 4 are engaged with each other through the first card groove 502 and the through hole 402. Specifically, the sealing plug 5 is a rubber plug, and a circular first card groove 502 is provided on the side of the sealing plug 5. When the sealing plug 5 passes through the through hole 402, the side of the through hole 402 is inserted into the first card groove 502, and the inner side of the through hole 402 abuts against one side of the first card groove 502 to achieve an interference fit. At the same time, the cooperation between the first card groove 502 and the through hole 402 can make the sealing plug 5 more secure and not easy to loosen.

[0041] As a further solution, the end of the sealing plug 5 close to the PCB board 2 is provided with a guiding inclined surface 503, see Figure 4 Specifically, the end of the sealing plug 5 close to the PCB board is in a truncated cone shape, the outer diameter of the end of the guiding slope 503 close to the PCB board 2 is smaller than the outer diameter of the guiding slope 503 away from the PCB board 2, and the outer diameter of the end of the guiding slope 503 close to the PCB board 2 is smaller than the outer diameter of the first card slot 502, so as to facilitate the end of the sealing plug 5 close to the PCB board 2 to be inserted into the through hole 402; at the same time, after the sealing plug 5 is engaged with the through hole 402, the end face of the sealing plug 5 facing away from the PCB board 2 abuts against the side of the panel cover 4 facing away from the PCB board 2.

[0042] like Fig. 9 and Fig.10 As shown, as a further solution, the PCB board 2 is provided with a positioning hole 201, see Figure 5 A positioning column 102 is provided on one side of the panel bracket 1, see Fig.10, the positioning hole 201 is sleeved on the positioning column 102. Specifically, the panel bracket 1 is provided with two positioning columns 102 located in the same horizontal plane, and the two ends of the PCB board 2 are respectively provided with a positioning hole 201, and the two positioning holes 201 correspond to the two positioning columns 102 one by one, respectively, and the positioning column 102 is elastic, and the positioning column 102 is cross-shaped and the end close to the panel cover 4 is a pointed end. When the PCB board 2 is suspended on the positioning column 102, the positioning column 102 will not be deformed. When the PCB board 2 is held and the positioning hole 201 is aligned with the positioning column 102 and pressed, the positioning column 102 is The tip can guide the positioning hole 201 to be sleeved on the positioning column 102, and when it continues to advance, the cross-shaped edge of the positioning column 102 will be deformed, thereby increasing the friction between the positioning hole 201 and the positioning hole 201, and further enhancing the result stability of the PCB board 2; or, the positioning column 102 is made of a hard material, and the outer diameter of the positioning column 102 is slightly smaller than the positioning hole 201, for example, the outer diameter of the positioning hole 201 is 0.1mm-0.3mm smaller than the outer diameter of the positioning hole 201, and the positioning column 102 is only used to position the PCB board 2.

[0043] As a further solution, the PCB board 2 is provided with a first screw hole 202, and the panel bracket 1 is provided with a second screw hole 103, and each of the first screw holes 202 is respectively arranged opposite to and corresponds to each of the second screw holes 103. Specifically, the PCB board 2 is fastened to the panel bracket 1 by a plurality of PT3*8 screws in cooperation with the first screw holes 202 and the second screw holes 103 to enhance sealing and stability.

[0044] In this embodiment, the sealing and waterproof structure of the dishwasher control panel further includes: a sealing ring 6; a second card slot 104 is provided on one side of the panel bracket 1 close to the panel cover 4, the sealing ring 6 is arranged in the second card slot 104, and the side edge of the opening side of the empty slot 401 extends into the second card slot 104 and presses against the sealing ring 6. Specifically, the depth of the second card slot 104 is greater than the diameter of the sealing ring 6, and when the side edge of the opening side of the empty slot 401 extends into the second card slot 104, the depth of the second card slot 104 minus the extension distance of the side edge of the opening side of the empty slot 401 is less than the diameter of the sealing ring 6. For example, the depth of the second card slot 104 is 3.5mm, the diameter of the sealing ring 6 is 3mm, and the insertion depth of the side edge of the opening side of the empty slot 401 is 1.3mm, then the compression amount of the sealing ring 6 is 0.8mm, and the sealing and waterproof properties of the PCB board are further enhanced by pressing the sealing ring 6. At the same time, along the depth direction of the second card groove 104, a plurality of evenly spaced oblique ribs 108 are further provided in the second card groove 104, an inclined surface is provided at one end of the oblique rib 108 close to the empty groove 401, and the end of the oblique rib 108 away from the empty groove 401 is in the shape of a rectangular parallelepiped, the inclined surface of the oblique rib 108 is used to guide the sealing ring 6 into the second card groove 104, and the end of the oblique rib 108 away from the empty groove 401 is used to compress the sealing ring 6, for example, the second card groove 104 has a width of 4.1 mm, where the width refers to the distance between the two opposite sides of the second card groove 104, within this 4.1 mm, a guiding oblique rib 108 is added, and the height of the oblique rib 108 is 1.5 mm, then the gap between one side of the oblique rib 108 and the second card groove 104 is 2.6 mm, then the 3 mm sealing ring 6 will be interference fit into the second card groove 104 without looseness and will not fall off, eliminating tooling and positioning jigs, and facilitating production and assembly.

[0045] As a further solution, the panel cover 4 is provided with a reinforcing rib 406 on one side of the slot 401, see Figure 7 Along the length direction of the panel cover body 4, a plurality of reinforcing ribs 406 are provided between the top of the panel cover body 4 and the empty groove 401, and each of the reinforcing ribs 406 is triangular in shape, for reinforcing the structural strength of the top of the panel cover body 4.

[0046] As a further solution, the panel bracket 1 is provided with a third screw hole 105, and the panel cover 4 is provided with a fourth screw hole 403, and each of the third screw holes 105 is respectively arranged opposite to each of the fourth screw holes 403 and corresponds to each other one by one. In this embodiment, the panel bracket 1 is provided with a plurality of third screw holes 105 with uniform spacing, and the panel cover 4 is provided with a plurality of fourth screw holes 403 with uniform spacing, and the third screw holes 105 and the fourth screw holes 403 are butted with each other through the PA3.5*13.5 screws, that is, the panel bracket 1 and the panel cover 4 are fixed by the cooperation of a plurality of PA3.5*13.5 screws with the third screw holes 105 and the third screw holes 105, so as to further enhance the sealing and waterproof properties of the PCB board in the empty slot 401. At the same time, the third screw hole 105 and the fourth screw hole 403 in this embodiment are arranged to avoid the empty groove 401 to avoid opening another screw hole on the empty groove 401 to destroy the sealing of the empty groove 401. The fourth screw hole 403 is arranged at the bottom of the panel cover 4 to strengthen the tightness between the bottom of the panel cover 4 and the panel bracket 1.

[0047] As a further solution, along the length direction of the panel bracket 1, a side of the panel bracket 1 provided with the PCB board 2 is provided with a plurality of first elastic buckles 106, and each of the first elastic buckles 106 is respectively buckled with a side edge of the panel cover 4. Specifically, a side of the panel bracket 1 provided with the PCB board is provided with a plurality of first elastic buckles 106 with uniform spacing and arranged in a row, and an extension edge 405 is provided at the top of the panel cover 4, and the ends of the first elastic buckles 106 are used to fasten the extension edge 405, and the extension edge 405 is fastened simultaneously by a plurality of the first elastic buckles 106 with uniform spacing, which is conducive to strengthening the stability of the panel cover 4, and each of the first elastic buckles 106 respectively fastens the top of the panel cover 4, which is used to strengthen the tightness between the top of the panel cover 4 and the panel bracket 1.

[0048] In this embodiment, the two ends of the panel bracket 1 on one side of the PCB board 2 are respectively provided with second elastic buckles 107, and the two ends of the panel cover 4 are respectively provided with buckle positions 404. The second elastic buckles 107 at the two ends of the panel bracket 1 are respectively buckled with the buckle positions 404 at the two ends of the panel cover 4 and correspond one to one. Specifically, the two second elastic buckles 107 are relatively distributed at the two ends of the panel bracket 1. The second elastic buckle 107 at the left end of the panel bracket 1 is used to buckle the buckle position 404 at the left end of the panel cover 4, and the second elastic buckle 107 at the right end of the panel bracket 1 is used to buckle the buckle position 404 at the right end of the panel cover 4. The cooperation between the second elastic buckle 107 and the buckle position 404 can enhance the sealing and waterproof properties of the left and right ends of the panel cover 4.

[0049] In the present invention, the steps for assembling the sealing and waterproof structure of the dishwasher control panel are as follows:

[0050] Step 1: Align the positioning hole 201 of the PCB board 2 with the positioning column 102 of the panel bracket 1, then put the positioning hole 201 on the positioning column 102 and hang the PCB board on the positioning column 102. At this time, the first screw hole 202 is aligned with the second screw hole 103, and then use PT3*8 screws to drive the first screw hole 202 and the second screw hole 103 to reinforce the PCB board 2 on the panel bracket 1;

[0051] Step 2: Preliminarily insert the sealing ring 6 into the second slot 104;

[0052] Step 3: Pass the terminal of the wiring harness (not shown) through the through hole 402 to connect with the PCB board 2, then pass the wiring harness through the wiring harness hole 501 of the sealing plug 5, and then insert the sealing plug 5 into the through hole 402;

[0053] Step 4: Fasten the extended surface and both ends of the panel cover 4 to the first elastic buckle 106 and the second elastic buckle 107 respectively, and then align the third screw hole 105 with the fourth screw hole 403. At this time, the empty slot 401 covers the PCB board, and the open side of the empty slot 401 further squeezes the sealing ring 6, so that the sealing ring 6 and the second card slot 104 have an interference fit, and then use PA3.5*13.5 screws to drive into the third screw hole 105 and the fourth screw hole 403 to fix the panel cover 4.

[0054] Step 4: cling the adhesive-backed surface sticker 3 to the side of the panel bracket 1 facing away from the PCB board 2 , and cover all the functional holes 101 with the adhesive-backed surface sticker 3 .

[0055] Embodiment 2:

[0056] An embodiment of the present invention further provides a dishwasher, which includes the dishwasher control panel sealing and waterproof structure as described in any one of the first embodiments.

[0057] In summary, an embodiment of the present invention provides a sealed and waterproof structure of a dishwasher control panel, comprising: a panel bracket 1, wherein a plurality of functional holes 101 are provided on the panel bracket 1; a PCB board 2, wherein the PCB board 2 is detachably arranged on one side of the panel bracket 1 and corresponds to each of the functional holes 101; an adhesive-backed surface sticker 3, wherein the adhesive-backed surface sticker 3 is tightly attached to a side of the panel bracket 1 away from the PCB board 2 and covers each of the functional holes 101; a panel cover 4, wherein an empty groove 401 is provided on one side of the panel cover 4, wherein the panel cover 4 is arranged on one side of the panel bracket 1, and an opening side of the empty groove 401 is connected to one side of the panel bracket 1, wherein the PCB board 2 is located in the empty groove 401, and a through hole 402 is provided on the panel cover 4, wherein the through hole 402 is communicated with the empty groove 401; a sealing plug 5, wherein the sealing plug 5 is arranged on the through hole 402 of the panel cover 4 and has an interference fit with the through hole 402, and wherein a wiring harness hole 501 is provided on the sealing plug 5. In the present invention, by pasting the adhesive sticker 3 on the panel bracket 1 to cover the function holes 101, the sealing and waterproof properties of the function keys of the dishwasher can be enhanced, and external water vapor or water droplets can be prevented from penetrating into the dishwasher through the function holes 101, thereby preventing the PCB board 2 from being contaminated with water vapor or water droplets; at the same time, in order to facilitate the entry and exit of the terminal connected to the PCB board 2, a through hole 402 is provided on the panel cover 4. In order to prevent water vapor from penetrating from the inside of the dishwasher door body to the PCB board 2, a sealing plug 5 is provided at the through hole 402, and a harness hole 501 is provided on the sealing plug 5 for the harness to pass through, further enhancing the sealing and waterproof properties of the PCB board 2. The sealing and waterproof structure of the dishwasher control panel provided by the present invention can further enhance the sealing and waterproof properties of the PCB board 2 installation location, that is, enhance the sealing and waterproof properties in the empty slot 401, so as to reduce the risk of water vapor in the dishwasher door body causing adverse effects on the dishwasher control panel.

[0058] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0059] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0060] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0062] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0063] Of course, the description of the above-mentioned embodiments of the present invention is relatively detailed, but it cannot be understood as limiting the scope of protection of the present invention. The present invention may also have many other implementation methods. Based on this implementation method, other implementation methods obtained by ordinary technicians in this field without any creative work all belong to the scope of protection of the present invention. The scope of protection of the present invention shall be based on the attached claims.

Claims

1. A sealing and waterproof structure for a dishwasher control panel, characterized in that: include: A panel bracket, wherein a plurality of functional holes are provided on the panel bracket; A PCB board, the PCB board is detachably arranged on one side of the panel bracket and corresponds to each of the functional holes; An adhesive-backed surface sticker, the adhesive-backed surface sticker is tightly attached to a side of the panel bracket away from the PCB board and covers each of the functional holes; A panel cover, wherein a hollow groove is provided on one side of the panel cover, the panel cover is arranged on one side of the panel bracket, and an opening side of the hollow groove is connected to one side of the panel bracket, the PCB board is located in the hollow groove, and a through hole is provided on the panel cover, and the through hole is connected to the hollow groove; A sealing plug is arranged on the through hole of the panel cover and is interference fit with the through hole. A wiring harness hole is provided on the sealing plug.

2. The sealing and waterproof structure of the dishwasher control panel according to claim 1, characterized in that: A first clamping groove is provided on the side periphery of the sealing plug, and the sealing plug and the panel cover are clamped together through the cooperation of the first clamping groove and the through hole.

3. The sealing and waterproof structure of the dishwasher control panel according to claim 2, characterized in that: A guiding slope is provided at one end of the sealing plug close to the PCB board.

4. The sealing and waterproof structure of a dishwasher control panel according to claim 1, characterized in that: The PCB board is provided with a positioning hole, a positioning column is provided on one side of the panel bracket, and the positioning hole is sleeved on the positioning column.

5. The dishwasher control panel sealing and waterproof structure according to claim 4, characterized in that: The PCB board is provided with first screw holes, the panel bracket is provided with second screw holes, and each of the first screw holes is respectively arranged opposite to each of the second screw holes and corresponds to each other one by one.

6. The sealing and waterproof structure of a dishwasher control panel according to claim 1, characterized in that: Also includes: Sealing ring; a second slot is provided on one side of the panel bracket close to the panel cover, the sealing ring is arranged in the second slot, and the side edge of the open side of the slot extends into the second slot and presses against the sealing ring.

7. The sealing and waterproof structure of a dishwasher control panel according to claim 1, characterized in that: The panel bracket is provided with a third screw hole, the panel cover is provided with a fourth screw hole, and each of the third screw holes is arranged opposite to each of the fourth screw holes and corresponds to each other one by one.

8. The sealing and waterproof structure of a dishwasher control panel according to claim 1, characterized in that: Along the length direction of the panel bracket, a side of the panel bracket where the PCB board is provided is provided with a plurality of first elastic buckles, and each of the first elastic buckles is buckled with a side edge of the panel cover body respectively.

9. The sealing and waterproof structure of a dishwasher control panel according to claim 8, characterized in that: The panel bracket is provided with second elastic buckles at both ends of one side of the PCB board, and buckle positions are respectively provided at both ends of the panel cover. The second elastic buckles at both ends of the panel bracket are respectively buckled with the buckle positions at both ends of the panel cover and correspond one to one.

10. A dishwasher, characterized in that: The invention comprises a sealing and waterproof structure for a dishwasher control panel as claimed in any one of claims 1 to 9.

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