Sealed waterproof insulation board

Abstract

A sealed waterproof heat preservation plate comprises a soft heating pad and a heating element arranged on the soft heating pad, the heat preservation plate further comprises a rigid power connection device, the rigid power connection device is electrically connected with the heating element and used for supplying power to the heating element, and a sealing structure is arranged between the soft heating pad and the rigid power connection device. And the soft heating pad and the hard power connection device are hermetically connected through a sealing structure. The sealing waterproof heat preservation plate can completely seal a gap between the upper shell and the lower shell and a gap between the coupling socket and the machine shell assembly, so that water cannot enter the machine shell assembly, electronic elements in the machine shell assembly are effectively protected, the heat preservation plate can be washed and cleaned, and the service life of the heat preservation plate is prolonged. And the heat preservation plate is placed in water, and water cannot enter the machine shell assembly under the condition of pressure, so that the heat preservation plate can be placed in water to be cleaned, and the heat preservation plate is very convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation boards, in particular to a sealed and waterproof thermal insulation board. Background Art

[0002] The insulation board (warming board) can keep cooked dishes warm. The material of the warming board is generally silicone. A heating wire or heating film is provided on the warming board. The heating wire or heating film makes the warming board heat up to heat the food and keep the food warm.

[0003] The vegetable warming board includes a soft heating pad and a casing assembly connected to one end of the soft heating pad. A coupling socket and other electronic components are provided in the casing assembly. The casing assembly includes an upper shell and a lower shell that are connected to each other. Since the vegetable warming board generally does not have a waterproof function, water can easily enter the casing assembly from the gap between the upper shell and the lower shell and the gap between the coupling socket and the casing assembly, easily damaging the electronic components inside the casing assembly. Moreover, since the vegetable warming board does not have a waterproof function, it is very inconvenient to clean it.

[0004] Therefore, further improvements are necessary. Utility Model Content

[0005] The purpose of the utility model is to provide a sealed and waterproof insulation board with a simple structure, good waterproof performance, easy cleaning, good user experience and strong practicality, so as to overcome the shortcomings of the existing technology.

[0006] A sealed and waterproof insulation board designed for this purpose includes a soft heating pad and a heating element arranged on the soft heating pad. The characteristic is that: the insulation board also includes a rigid power connection device, the rigid power connection device is electrically connected to the heating element and is used to supply power to the heating element, a sealing structure is provided between the soft heating pad and the rigid power connection device, and the soft heating pad and the rigid power connection device are sealed and connected through the sealing structure.

[0007] The rigid power connection device includes a shell assembly, and the sealing structure is a sealing connection frame arranged on the soft heating pad. The soft heating pad and the shell assembly are sealed connected by the sealing connection frame; a hollow portion is provided inside the sealing connection frame to form an accommodating cavity inside the sealing connection frame.

[0008] The housing assembly comprises a housing component and a control box, and the soft heating pad and the housing component are sealed and connected via a sealing connection frame.

[0009] The housing component is provided with a coupling socket, the sealing connection frame is provided with a sealing sleeve, the sealing sleeve is sleeved on the outer periphery of the coupling socket, and the sealing sleeve is located between the housing component and the coupling socket.

[0010] The casing assembly includes an upper shell and a lower shell connected to each other. A sealing part is provided on the sealing connection frame. After the upper shell and the lower shell are connected, the sealing part is pressed between the upper shell and the lower shell to connect the soft heating pad and the casing assembly.

[0011] A sealing rib is provided on the sealing connection frame, and the sealing rib is located on the inner side of the sealing part. An inner cavity is provided in the casing assembly, and the sealing rib is against the side wall of the inner cavity. The sealing rib is sealed with the inner walls of the upper shell and the lower shell respectively; a limiting convex edge is provided at one end of the soft heating pad, and the limiting convex edge is located on the outer side of the sealing part. A limiting groove is formed between the limiting convex edge and the sealing rib, and a matching edge is provided on the lower shell, and the matching edge limit is set on the limiting groove.

[0012] A first convex rib is provided on the upper shell body, and a second convex rib is provided on the lower shell body. The first convex rib is pressed on the upper side of the sealing portion, and the second convex rib is pressed on the lower side of the sealing portion.

[0013] A fixing column is provided on the upper shell, a first fixing hole is provided on the fixing column, and a second fixing hole is provided on the lower shell. A fastener passes through the second fixing hole and is fastened to the first fixing hole to connect the upper shell and the lower shell. The fixing column passes through the sealing connection frame, and the fixing column and the second fixing hole are located in the accommodating cavity.

[0014] The sealing sleeve is pressed between the upper shell and the lower shell, and includes an upper sleeve body and a lower sleeve body. A first mounting hole is formed between the upper sleeve body and the lower sleeve body, and the coupling socket is installed on the first mounting hole; a first positioning groove is provided on the upper shell, and a second positioning groove is provided on the lower shell. The upper sleeve body is positioned and installed on the first positioning groove, and the lower sleeve body is positioned and installed on the second positioning groove.

[0015] The control box is provided with a control panel and a coupling plug. The coupling socket and the coupling plug are plugged into each other to form a conductive contact. The coupling plug is electrically connected to the control panel, and the control panel is connected to the mains through a power cord. A thermal protector and a temperature sensor are provided on the inner cavity of the casing assembly, and a heating element is provided in the soft heating pad. The coupling socket is electrically connected to the thermal protector, temperature sensor, and heating element respectively.

[0016] The utility model provides a sealing structure between the soft heating pad and the rigid power connection device, and the soft heating pad and the rigid power connection device are sealed and connected by the sealing structure. Specifically, the soft heating pad and the rigid power connection device are sealed and connected by a sealing connection frame. A sealing portion is provided on the sealing connection frame, and the sealing portion is pressed between the upper shell and the lower shell. A sealing rib is provided on the sealing connection frame, and the sealing rib is against the inner cavity side wall of the shell assembly. In addition, a sealing sleeve is provided on the sealing connection frame, and the sealing sleeve is sleeved on the outer periphery of the coupling socket, and the sealing sleeve is located between the shell assembly and the coupling socket. The above structure can completely seal the gap between the upper shell and the lower shell, and the gap between the coupling socket and the shell assembly, so that water cannot enter the interior of the shell assembly, thereby effectively protecting the electronic components inside the shell assembly, so that the insulation board can be rinsed and cleaned, and when the insulation board is placed in water, water cannot enter the interior of the shell assembly under pressure, so the insulation board can also be placed in water for cleaning, which makes cleaning of the insulation board very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a cross-sectional view of the exploded structure of the insulation board in one embodiment of the present invention.

[0018] Figure 2 This is a cross-sectional view of an insulation board in one embodiment of the present invention.

[0019] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0020] Figure 4 This is a cross-sectional view of another aspect of the insulation board in one embodiment of the present invention.

[0021] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0022] Figure 6 This is a partial structural diagram of a soft heating pad in one embodiment of the present invention.

[0023] Figure 7 This is a partial structural exploded view of the insulation board in one embodiment of the present invention.

[0024] Figure 8 This is a schematic diagram of the overall structure of the insulation board in one embodiment of the present utility model.

[0025] Figure 9 Schematic diagram of the overall structure of the upper shell in one embodiment of the present invention.

[0026] Figure 10 This is a schematic diagram of the overall structure of the lower shell in one embodiment of the present utility model.

[0027] Figure 11 This is a schematic diagram of the exploded structure of the insulation board in one embodiment of the present utility model.

[0028] Figure 12 This is a schematic diagram of the overall structure of a soft heating pad in one embodiment of the present invention.

[0029] Figure 13 This is a schematic diagram of the exploded structure of the control box in one embodiment of the present invention. DETAILED DESCRIPTION

[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0031] See also Figures 1-13 The sealed and waterproof insulation board includes a soft heating pad 1 and a heating element 32 arranged on the soft heating pad 1. The insulation board also includes a rigid power connection device a, which is electrically connected to the heating element 32 and is used to supply power to the heating element 32. A sealing structure b is provided between the soft heating pad 1 and the rigid power connection device a, and the soft heating pad 1 and the rigid power connection device are sealed and connected through the sealing structure b.

[0032] The rigid power connection device includes a shell assembly, and the sealing structure b is a sealing connection frame 3 arranged on the soft heating pad 1. The soft heating pad 1 and the shell assembly are sealed and connected through the sealing connection frame 3; a hollow portion is provided inside the sealing connection frame 3 to form an accommodating cavity c inside the sealing connection frame 3; the accommodating cavity c is used for the passage of the circuit, the installation of the upper shell 6 and the lower shell 7 (fixing column 16 and second fixing hole 17), and the accommodation of electrical components (thermal protector 33 and temperature sensor 34).

[0033] The housing assembly includes a housing component 2 and a control box 35 . The soft heating pad 1 and the housing component 2 are sealed together via a sealing connection frame 3 .

[0034] A coupling socket 4 is provided on the casing assembly 2, and a sealing sleeve 5 is provided on the sealing connection frame 3. The sealing sleeve 5 is sleeved on the outer periphery of the coupling socket 4, and the sealing sleeve 5 is located between the casing assembly 2 and the coupling socket 4. The sealing sleeve 5 can seal the gap between the coupling socket 4 and the casing assembly 2.

[0035] The casing assembly 2 includes an upper shell 6 and a lower shell 7 connected to each other. A sealing portion 8 is provided around the periphery of the sealing connection frame 3. After the upper shell 6 and the lower shell 7 are connected, the sealing portion 8 is pressed between the upper shell 6 and the lower shell 7 to connect the soft heating pad 1 and the casing assembly 2. The sealing portion 8 can seal the gap between the upper shell 6 and the lower shell 7, and completely seal the entire periphery of the casing assembly 2.

[0036] A circle of sealing ribs 9 is provided on the sealing connection frame 3, and the sealing ribs 9 are located on the inner side of the sealing portion 8. An inner cavity 10 is provided in the casing assembly 2, and the sealing ribs 9 are against the side walls of the inner cavity 10. The sealing ribs 9 are sealed and connected to the inner walls of the upper shell 6 and the lower shell 7 respectively; the sealing ribs 9 can limit the soft heating pad 1 to prevent the soft heating pad 1 from being displaced forward, backward, left and right relative to the casing assembly 2, thereby preventing the connection between the soft heating pad 1 and the casing assembly 2 from loosening. In addition, the sealing ribs 9 can further improve the sealing between the upper shell 6 and the lower shell 7. Even if water can pass through the sealing portion 8, it will be blocked by the sealing ribs 9 and cannot enter the inner cavity 10 of the casing assembly 2.

[0037] A first rib 11 is provided on the lower side of the upper shell 6, and a second rib 12 is provided on the upper side of the lower shell 7. The first rib 11 is pressed on the upper side of the sealing portion 8, and the second rib 12 is pressed on the lower side of the sealing portion 8. The first rib 11 makes the upper shell 6 and the sealing portion 8 fit more tightly, and the second rib 12 makes the lower shell 7 and the sealing portion 8 fit more tightly, thereby further improving the sealing between the upper shell 6 and the lower shell 7.

[0038] A slot 14 is provided on the lower side of the upper shell 6, and a rib 13 is provided on the upper side of the lower shell 7. The rib 13 is inserted into the slot 14 and rests against the outer side of the sealing part 8. The cooperation between the rib 13 and the slot 14 can further improve the sealing between the upper shell 6 and the lower shell 7.

[0039] A first mating edge 25 is provided on one side of the upper shell 6, and a second mating edge 26 is provided on the other side. A third mating edge 27 is provided on one side of the lower shell 7, and a fourth mating edge 28 is provided on the other side. The slot 14 is provided at the lower end of the first mating edge 25, and the insert rib 13 is provided at the upper end of the third mating edge 27; a limiting convex edge 29 is provided at one end of the soft heating pad 1, and the limiting convex edge 29 is located on the outside of the sealing portion 8. A limiting groove 30 is formed between the limiting convex edge 29 and the sealing rib 9. The fourth mating edge 28 is limitedly provided on the limiting groove 30, which can prevent the soft heating pad 1 from being displaced left and right relative to the casing assembly 2; the limiting convex edge 29 also has a sealing function to prevent water and the like from entering the casing assembly 2 from the outside, while improving the installation stability and connection sealing between the sealing connection frame 3 and the casing assembly 2.

[0040] The first ribs 11 are respectively provided at the lower ends of the first mating edge 25 and the second mating edge 26 , and the second ribs 12 are respectively provided at the upper ends of the third mating edge 27 and the fourth mating edge 28 .

[0041] A fixing column 16 is provided on the upper shell 6, and a first fixing hole 15 is provided on the fixing column 16. A second fixing hole 17 is provided on the lower shell 7. A fastener (screw) passes through the second fixing hole 17 and is fastened to the first fixing hole 15 to connect the upper shell 6 and the lower shell 7; the fixing column 16 passes through the sealing connection frame 3, and the fixing column 16 and the second fixing hole 17 are located in the accommodating cavity c.

[0042] A limiting rib 18 is provided on the lower shell 7, and the sealing rib 9 is clamped between the side wall of the inner cavity 10 (the third mating edge 27 or the fourth mating edge 28) and the limiting rib 18 and the fixing column 16, which can further prevent the soft heating pad 1 from being displaced forward, backward, left and right relative to the casing assembly 2. A recessed portion 19 is provided on the sealing rib 9 to cooperate with the fixing column 16.

[0043] The sealing sleeve 5 is pressed between the upper shell 6 and the lower shell 7. The sealing sleeve 5 includes an upper sleeve body 20 and a lower sleeve body 21 which are arranged in one piece or in a separate piece. The upper sleeve body 20 and the lower sleeve body 21 of this embodiment are arranged separately, and the lower sleeve body 21 is arranged in one piece on the sealing connection frame 3. The upper sleeve body 20 and the sealing connection frame 3 are arranged separately. A first mounting hole 22 is formed between the upper sleeve body 20 and the lower sleeve body 21, and the coupling socket 4 is mounted on the first mounting hole 22. A second mounting hole 31 is provided between the upper shell 6 and the lower shell 7. The second mounting hole 31 is arranged corresponding to the first mounting hole 22, and the coupling socket 4 is also mounted on the second mounting hole 31; a first positioning groove 23 is provided on the upper shell 6, and a second positioning groove 24 is provided on the lower shell 7. The upper sleeve body 20 is positioned and mounted on the first positioning groove 23, and the lower sleeve body 21 is positioned and mounted on the second positioning groove 24. The first positioning groove 23 and the second positioning groove 24 can respectively prevent the upper sleeve body 20 and the lower sleeve body 21 from loosening and affecting the sealing performance of the sealing sleeve 5.

[0044] A positioning notch 36 is provided on the lower housing 21 , and a positioning rib 37 is provided on the coupling socket 4 . The positioning rib 37 is positioned and matched with the positioning notch 36 .

[0045] The soft heating pad 1 is made of silicone material, and the housing component 2 is made of plastic.

[0046] A control board 38 and a coupling plug 36 are provided on the control box 35. The coupling socket 4 and the coupling plug 36 are plugged into each other to form a conductive contact to realize the connection between the casing assembly 2 and the control box 35; the coupling plug 36 is electrically connected to the control board 38, and the control board 38 is connected to the AC power through the power cord 39; a thermal protector 33 and an NTC temperature sensor 34 are provided on the inner cavity 10 of the casing assembly 2, and a heating element 32 is provided in the soft heating pad 1, and the coupling socket 4 is electrically connected to the thermal protector 33, the temperature sensor 34 and the heating element 32 respectively; the heating element 32 is a carbon crystal heating film.

[0047] The above is a preferred embodiment of the present invention, which illustrates and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealed and waterproof insulation board, comprising a soft heating pad (1) and a heating element (32) arranged on the soft heating pad (1), characterized in that: The insulation board further comprises a rigid power connection device (a), which is electrically connected to the heating element (32) and is used to supply power to the heating element (32); a sealing structure (b) is provided between the soft heating pad (1) and the rigid power connection device (a), and the soft heating pad (1) and the rigid power connection device are sealed and connected via the sealing structure (b).

2. The sealed and waterproof insulation board according to claim 1, characterized in that: The rigid electrical connection device comprises a shell assembly, wherein the sealing structure (b) is a sealing connection frame (3) provided on the soft heating pad (1), and the soft heating pad (1) and the shell assembly are sealedly connected via the sealing connection frame (3); a hollow portion is provided inside the sealing connection frame (3) to form an accommodating cavity (c) inside the sealing connection frame (3).

3. The sealed and waterproof insulation board according to claim 2, characterized in that: The housing assembly comprises a housing component (2) and a control box (35), and the soft heating pad (1) and the housing component (2) are sealed and connected via a sealing connection frame (3).

4. The sealed and waterproof insulation board according to claim 3, characterized in that: A coupling socket (4) is provided on the housing assembly (2), a sealing sleeve (5) is provided on the sealing connection frame (3), the sealing sleeve (5) is sleeved on the outer periphery of the coupling socket (4), and the sealing sleeve (5) is located between the housing assembly (2) and the coupling socket (4).

5. The sealed and waterproof insulation board according to claim 4, characterized in that: The housing assembly (2) comprises an upper housing (6) and a lower housing (7) connected to each other. A sealing portion (8) is provided on the sealing connection frame (3). After the upper housing (6) and the lower housing (7) are connected, the sealing portion (8) is pressed between the upper housing (6) and the lower housing (7) to connect the soft heating pad (1) and the housing assembly (2).

6. The sealed and waterproof insulation board according to claim 5, characterized in that: A sealing rib (9) is provided on the sealing connection frame (3), the sealing rib (9) is located on the inner side of the sealing portion (8), an inner cavity (10) is provided in the housing assembly (2), the sealing rib (9) abuts against the side wall of the inner cavity (10), and the sealing rib (9) is sealed and connected to the inner walls of the upper shell (6) and the lower shell (7), respectively; a limiting convex edge (29) is provided at one end of the soft heating pad (1), the limiting convex edge (29) is located on the outer side of the sealing portion (8), a limiting groove (30) is formed between the limiting convex edge (29) and the sealing rib (9), and a matching edge is provided on the lower shell (7), and the matching edge limit is set on the limiting groove (30).

7. The sealed and waterproof insulation board according to claim 5, characterized in that: A first convex rib (11) is provided on the upper shell (6), and a second convex rib (12) is provided on the lower shell (7). The first convex rib (11) is pressed on the upper side of the sealing portion (8), and the second convex rib (12) is pressed on the lower side of the sealing portion (8).

8. The sealed and waterproof insulation board according to claim 5, characterized in that: A fixing column (16) is provided on the upper shell (6), a first fixing hole (15) is provided on the fixing column (16), and a second fixing hole (17) is provided on the lower shell (7). A fastener passes through the second fixing hole (17) and is fastened to the first fixing hole (15) to connect the upper shell (6) and the lower shell (7). The fixing column (16) passes through the sealing connection frame (3), and the fixing column (16) and the second fixing hole (17) are located in the accommodating cavity (c).

9. The sealed and waterproof insulation board according to claim 6, characterized in that: The sealing sleeve (5) is pressed between the upper shell (6) and the lower shell (7), and comprises an upper sleeve body (20) and a lower sleeve body (21). A first mounting hole (22) is formed between the upper sleeve body (20) and the lower sleeve body (21), and the coupling socket (4) is mounted on the first mounting hole (22); a first positioning groove (23) is provided on the upper shell (6), and a second positioning groove (24) is provided on the lower shell (7); the upper sleeve body (20) is positioned and mounted on the first positioning groove (23), and the lower sleeve body (21) is positioned and mounted on the second positioning groove (24).

10. The sealed and waterproof insulation board according to claim 9, characterized in that: A control panel (38) and a coupling plug (36) are provided on the control box (35); the coupling socket (4) and the coupling plug (36) are plugged into each other to form conductive contact; the coupling plug (36) is electrically connected to the control panel (38); and the control panel (38) is externally connected to the mains via a power cord (39); a thermal protector (33) and a temperature sensor (34) are provided on the inner cavity (10) of the housing assembly (2); a heating element (32) is provided in the soft heating pad (1); and the coupling socket (4) is electrically connected to the thermal protector (33), the temperature sensor (34), and the heating element (32), respectively.

Images