Heating tray

Abstract

The utility model discloses a heating tray which comprises a tray body, a heating wire, an installation shell and a control circuit assembly, the tray body is made of silica gel and is integrally formed, a plurality of supporting protrusions are arranged on the back of the tray body and used for supporting the tray body, and an installation groove is formed in one side of the back of the tray body; the heating wire is packaged at the back of the tray body; the mounting shell is arranged in the mounting groove, and the lower surface of the mounting shell is higher than the lower end of the supporting protrusion or flush with the lower end of the supporting protrusion. And the control circuit assembly is arranged in the mounting shell and is electrically connected with the heating wire. The mounting groove is formed in one side of the back of the tray body, the control circuit assembly is arranged in the mounting shell, and the mounting shell is arranged in the mounting groove, so that the upper surface of the tray body becomes a whole completely made of silica gel materials, water cannot permeate into the mounting shell from the upper surface of the tray body during cleaning, the waterproof effect is better, and cleaning is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of heating equipment, in particular to a heating tray. Background Art

[0002] A heating tray or a heating plate is a device capable of heating food. Such food heating devices are widely used in restaurants or canteens. For example, in some self-service restaurants, the pre-prepared dishes can be placed on the heating tray or the heating plate so that they can be kept at an appropriate temperature, thereby effectively preventing the deterioration of the dish quality and improving customer satisfaction. The first-generation food heating devices are made of hard materials such as metal or glass as a whole, which are easy to collide with bowls and dishes and are extremely easy to damage; the second-generation food heating devices are made of flexible materials and can be folded and bent, and are not easy to damage. In the prior art, food heating devices usually require corresponding control components to control them. The control components are generally exposed on the upper surface of the heating device, and the connection between the control components and the flexible material is not tightly sealed. When the heating device is cleaned, water easily seeps into the control components from the connection, and the device is easily damaged. Therefore, the existing food heating devices have poor waterproof effect and are not convenient to clean. Summary of the Utility Model

[0003] The main technical problem to be solved by the utility model is to provide a heating tray to solve the problems of poor waterproof effect and inconvenient cleaning of the existing food heating devices.

[0004] To solve the above technical problem, a technical solution adopted by the utility model is to provide a heating tray, which includes a tray body, a heating wire, a mounting shell and a control circuit assembly. The tray body is made of silica gel and integrally formed. A plurality of support protrusions are arranged on the back of the tray body, and the support protrusions are used to support the tray body. An installation groove is arranged on one side of the back of the tray body; the heating wire is encapsulated on the back of the tray body; the mounting shell is arranged in the installation groove, and the lower surface of the mounting shell is higher than the lower end of the support protrusion or flush with the lower end of the support protrusion; the control circuit assembly is arranged in the mounting shell, and the control circuit assembly is electrically connected to the heating wire, and the control circuit assembly is used to control the heating wire.

[0005] In some embodiments, the mounting shell includes an upper shell and a lower shell, the upper shell and the lower shell are detachably connected, a clamping groove is arranged at the lower end of the upper shell, a clamping portion is arranged at the lower end of the installation groove, the clamping portion is clamped in the clamping groove, the bottom of the lower shell abuts against the lower end of the clamping portion, and the side wall of the lower shell surrounds the outer surface of the installation groove.

[0006] In some embodiments, the clamping portion includes an inner folding sub-portion and a vertical sub-portion. The inner folding sub-portion is horizontally connected to the lower end of the side wall of the installation groove, and the vertical sub-portion is connected to the inner end of the inner folding sub-portion, and the vertical sub-portion is clamped in the clamping groove.

[0007] In some embodiments, the control circuit assembly includes a power transmission connector, a circuit board, and a temperature protector. Openings are provided on the sides of the mounting shell and the mounting groove. An insertion interface is provided at the outer end of the power transmission connector, and the insertion interface is exposed through the opening. The insertion interface is used to connect to an external power supply. The inner end of the power transmission connector is electrically connected to the circuit board, the circuit board is electrically connected to the temperature protector, and the temperature protector is electrically connected to the heating wire.

[0008] In some embodiments, the heating tray further includes a waterproof protection member. The waterproof protection member includes a fixing portion, an extending portion, and a sealing portion that are connected in sequence. A fixing hole adapted to the fixing portion is provided at the end of the mounting shell, and the fixing portion is inserted into the fixing hole. The shape of the sealing portion is adapted to the insertion interface, and the sealing portion is used to be inserted into the insertion interface.

[0009] In some embodiments, a sealing member is further provided inside the mounting shell. The sealing member is detachably connected to the mounting shell. A first receiving groove adapted to the temperature protector is provided on the sealing member, and the temperature protector is disposed in the first receiving groove. A limiting protrusion is provided at the lower part of the first receiving groove, and the limiting protrusion abuts against the lower bottom surface of the temperature protector.

[0010] In some embodiments, the tray body further includes an arc portion. The arc portion is located on one side of the tray body adjacent to the mounting groove, and the arc portion corresponds to the position of the insertion interface, and the arc portion shields above the insertion interface.

[0011] In some embodiments, a second receiving groove adapted to the heating wire is provided on the back of the tray body, and the heating wire is disposed in the second receiving groove.

[0012] In some embodiments, positioning protrusions are provided in the mounting groove, and positioning holes adapted to the positioning protrusions are provided on the mounting shell, and the positioning protrusions are stuck in the positioning holes.

[0013] In some embodiments, the plurality of support protrusions are spaced apart from each other at a certain distance and are cross - arranged on the back of the tray body.

[0014] The beneficial effects of the present utility model are as follows: In the present utility model, by providing a mounting groove on one side of the back of the tray body, arranging the control circuit assembly in the mounting shell, and setting the mounting shell in the mounting groove, the upper surface of the tray body becomes an integral body all made of silica gel material. When cleaning, water will not seep into the mounting shell from its upper surface, realizing the protection of the control circuit assembly, having better waterproof effect and being more convenient for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an exploded structural schematic diagram of an embodiment of the present utility model;

[0016] Figure 2 is a structural schematic diagram of the back of an embodiment of the present utility model;

[0017] Figure 3 It is a schematic structural view of the back of the tray body in an embodiment of the present utility model;

[0018] Figure 4 It is a schematic cross-sectional structural view of an embodiment of the present utility model;

[0019] Figure 5 It is a schematic structural view of the mounting shell in an embodiment of the present utility model;

[0020] Figure 6 is Figure 2 an enlarged view of part A in

[0021] Figure 7 is Figure 4 an enlarged view of part B in

[0022] Figure 8 It is a schematic structural view of the seal in an embodiment of the present utility model. Detailed implementation manners

[0023] For the convenience of understanding the present utility model, the present utility model will be described in more detail below with reference to the accompanying drawings and specific embodiments. The preferred embodiments of the present utility model are given in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure content of the present utility model more thorough and comprehensive.

[0024] It should be noted that unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the specification of the present utility model are only for the purpose of describing specific embodiments and are not used to limit the present utility model. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0025] For the description of the present utility model, the non-limiting terms "front", "rear", "upper", "lower", "left", and "right" shown in Figure 1 are used to facilitate the understanding of this embodiment and are not intended to limit the present utility model. Among them, the front-rear direction represents the longitudinal direction, the left-right direction represents the transverse direction, and the up-down direction represents the vertical direction.

[0026] Figures 1 - 8Shows an embodiment of the heating tray of the present utility model, including a tray body 1, a heating wire 2, a mounting shell 3, and a control circuit assembly 4. The tray body 1 is made of silica gel and integrally formed. A plurality of support protrusions 5 are provided on the back of the tray body 1, and the support protrusions 5 are used to support the tray body 1. An installation groove 11 is provided on one side of the back of the tray body 1; the heating wire 2 is encapsulated on the back of the tray body 1; the mounting shell 3 is arranged in the installation groove 11, and the mounting shell 3 can be fixed in the installation groove 11 by means of top pasting. The lower surface of the mounting shell 3 is higher than the lower end of the support protrusion 5 or flush with the lower end of the support protrusion 5; the control circuit assembly 4 is arranged in the mounting shell 3, and the control circuit assembly 4 is electrically connected to the heating wire 2, and the control circuit assembly 4 is used to control the heating wire 2.

[0027] In the present utility model, by providing an installation groove 11 on one side of the back of the tray body 1, arranging the control circuit assembly 4 in the mounting shell 3, and arranging the mounting shell 3 in the installation groove 11, the upper surface of the tray body 1 becomes an integral body all made of silica gel, and water will not seep into the mounting shell 3 from its upper surface during cleaning, realizing the protection of the control circuit assembly 4, with better waterproof effect and more convenient cleaning.

[0028] In some embodiments, such as Figure 1 and Figure 7 shown, the mounting shell 3 includes an upper shell 31 and a lower shell 32. The upper shell 31 and the lower shell 32 are detachably connected. A clamping groove 311 is provided at the lower end of the upper shell 31, and a clamping portion 111 is provided at the lower end of the installation groove 11. The clamping portion 111 is stuck in the clamping groove 311, and the bottom of the lower shell 32 abuts against the lower end of the clamping portion 111. The side wall of the lower shell 32 surrounds the outer surface of the installation groove 11. By sticking the clamping portion 111 in the clamping groove 311 and surrounding the installation groove 11 with the lower shell 32 at the same time, the side wall of the installation groove 11 can be clamped between the upper shell 31 and the lower shell 32, preventing water from entering its interior from the joint between the upper shell 31 and the lower shell 32, with better waterproof effect.

[0029] In some embodiments, such as Figure 7 shown, the clamping portion 111 includes an inner folding sub-portion 1111 and a vertical sub-portion 1112. The inner folding sub-portion 1111 is horizontally connected to the lower end of the side wall of the installation groove 11, and the vertical sub-portion 1112 is connected to the inner end of the inner folding sub-portion 1111. The vertical sub-portion 1112 is clamped in the clamping groove 311. By providing the inner folding sub-portion 1111 and the vertical sub-portion 1112, wherein the lower end of the inner folding sub-portion 1111 abuts against the bottom surface of the lower shell 32, and the vertical sub-portion 1112 extends upward along the inner end of the inner folding sub-portion 1111 and is clamped in the clamping groove 311, water can be effectively prevented from entering the interior of the mounting shell 3, with better sealing effect.

[0030] In some embodiments, such asFigure 1 and Figure 5 As shown in Figure 5 , the control circuit component 4 includes a power transmission connector 41, a circuit board 42, and a temperature protector 43. Openings 33 are provided on the side of the mounting shell 3 and the mounting groove 11. An insertion port 411 is provided at the outer end of the power transmission connector 41, and the insertion port 411 is exposed from the opening 33. The insertion port 411 is used to access an external power supply. The inner end of the power transmission connector 41 is electrically connected to the circuit board 42, the circuit board 42 is electrically connected to the temperature protector 43, and the temperature protector 43 is electrically connected to the heating wire 2. By providing the insertion port 411 to access the external power supply, the power supply can be realized by inserting the power cord into the insertion port 411 during use, and the power cord can be removed during cleaning, which is more convenient and safe.

[0031] In some embodiments, as Figure 1 , Figure 5 and Figure 6 As shown in Figure 6 , the heating tray further includes a waterproof protection member 6. The waterproof protection member 6 is made of silicone material. The waterproof protection member 6 includes a fixing portion 61, an extending portion 62, and a sealing portion 63 that are connected in sequence. A fixing hole 313 adapted to the fixing portion 61 is provided at the end of the mounting shell 3, and the fixing portion 61 is inserted into the fixing hole 313. The shape of the sealing portion 63 is adapted to the insertion port 411, and the sealing portion 63 is used to be inserted into the insertion port 411. Before cleaning, first remove the power cord, then insert the fixing portion 61 into the fixing hole 313, and insert the sealing portion 63 into the insertion port 411, and then perform cleaning, which can prevent water from entering the mounting shell 3 from the insertion port 411 during cleaning, and can also prevent water from accumulating in the insertion port 411 and affecting the next use.

[0032] In some embodiments, as Figure 1 and Figure 7 As shown in Figure 7 , a sealing member 7 is further provided in the mounting shell 3. The sealing member 7 is detachably connected to the mounting shell 3. A first receiving groove 71 adapted to the temperature protector 43 is provided on the sealing member 7, and the temperature protector 43 is arranged in the first receiving groove 71. A limiting protrusion 72 is provided at the lower part of the first receiving groove 71, and the limiting protrusion 72 abuts against the lower bottom surface of the temperature protector 43. By arranging the temperature protector 43 in the first receiving groove 71 and the limiting protrusion 72 abutting against the lower bottom surface of the temperature protector 43, the sealing of the temperature protector 43 is realized, and water is prevented from entering the inside of the mounting shell 3 and affecting the normal operation of the temperature protector 43.

[0033] In some embodiments, as Figure 3 , Figure 5 and Figure 6As shown, the tray body 1 further includes an arc portion 12. The arc portion 12 is located on one side of the tray body 1 adjacent to the installation groove 11. The arc portion 12 corresponds to the position of the insertion interface 411. The arc portion 12 is a circular arc protruding upward, and the arc portion 12 shields above the insertion interface 411. The arc portion 12 not only provides space for the exposure of the insertion interface 411, but also can prevent water on the upper surface of the tray body 1 from flowing into the insertion interface 411, and the waterproof effect is better.

[0034] In some embodiments, as Figure 5 shown, a control button 312 is further provided on the upper housing 31. The control button 312 is used to send a control instruction to the circuit board 42, so as to further realize the control of the heating wire 2.

[0035] In some embodiments, as Figure 2 and Figure 3 shown, a second receiving groove 13 adapted to the heating wire 2 is provided on the back of the tray body 1. The heating wire 2 is arranged in the second receiving groove 13. During manufacturing, first place the heating wire 2 in the second receiving groove 13, and then use a sealing material to seal the second receiving groove 13, and the sealing effect is better.

[0036] In some embodiments, as Figure 3 and Figure 5 shown, a positioning protrusion 112 is provided in the installation groove 11, and a positioning hole 34 adapted to the positioning protrusion 112 is provided on the installation shell 3. The positioning protrusion 112 is stuck in the positioning hole 34. When installing the installation shell 3, the installation shell 3 is positioned by sticking the positioning protrusion 112 in the positioning hole 34, and the installation speed is faster and more convenient.

[0037] In some embodiments, as Figure 2 and Figure 3 shown, a certain distance is spaced between the plurality of support protrusions 5, and they are cross - arranged on the back of the tray body 1. The cross - arranged support protrusions 5 are more uniformly stressed and the support effect is better.

[0038] As can be seen, the present utility model discloses a heating tray, which includes a tray body, a heating wire, a mounting shell and a control circuit assembly. The tray body is made of silica gel and integrally formed. A plurality of supporting protrusions are provided on the back of the tray body, and the supporting protrusions are used to support the tray body. An installation groove is provided on one side of the back of the tray body; the heating wire is encapsulated on the back of the tray body; the mounting shell is arranged in the installation groove, and the lower surface of the mounting shell is higher than the lower end of the supporting protrusion or flush with the lower end of the supporting protrusion; the control circuit assembly is arranged in the mounting shell, and the control circuit assembly is electrically connected to the heating wire. By providing an installation groove on one side of the back of the tray body, arranging the control circuit assembly in the mounting shell, and arranging the mounting shell in the installation groove, the upper surface of the tray body becomes an integral body made entirely of silica gel. When cleaning, water will not seep into the mounting shell from its upper surface, and the waterproof effect is better, making it more convenient to clean.

[0039] The above are only embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made by using the description and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A heating tray, characterized in that: include: A tray body, the tray body is made of silicone and is integrally formed, a plurality of supporting protrusions are arranged on the back of the tray body, the supporting protrusions are used to support the tray body, and a mounting groove is arranged on one side of the back of the tray body; A heating wire, wherein the heating wire is packaged at the back of the tray body; A mounting shell, the mounting shell is arranged in the mounting groove, and the lower surface of the mounting shell is higher than the lower end of the supporting protrusion, or is flush with the lower end of the supporting protrusion; A control circuit component is disposed in the mounting shell, the control circuit component is electrically connected to the heating wire, and the control circuit component is used to control the heating wire.

2. The heating tray according to claim 1, characterized in that: The mounting shell includes an upper shell and a lower shell, the upper shell is detachably connected to the lower shell, a snap-in groove is provided at the lower end of the upper shell, a snap-in portion is provided at the lower end of the mounting groove, the snap-in portion is snapped in the snap-in groove, the bottom of the lower shell is in contact with the lower end of the snap-in portion, and the side wall of the lower shell is arranged around the outer surface of the mounting groove.

3. The heating tray according to claim 2, characterized in that: The clamping portion includes an inner folding portion and a vertical sub-portion, wherein the inner folding portion is laterally connected to the lower end of the side wall of the mounting groove, and the vertical sub-portion is connected to the inner end of the inner folding portion, and the vertical sub-portion is clamped in the clamping groove.

4. The heating tray according to claim 1, characterized in that: The control circuit assembly includes an electric energy transmission connector, a circuit board and a temperature protector. The sides of the mounting shell and the mounting groove are both provided with openings. The outer end of the electric energy transmission connector is provided with a plug interface, and the plug interface is exposed from the opening. The plug interface is used to connect to an external power supply. The inner end of the electric energy transmission connector is electrically connected to the circuit board, the circuit board is electrically connected to the temperature protector, and the temperature protector is electrically connected to the heating wire.

5. The heating tray according to claim 4, characterized in that: The heating tray also includes a waterproof protective part, which includes a fixing part, an extension part and a sealing part connected in sequence. The end of the mounting shell is provided with a fixing hole adapted to the fixing part, and the fixing part is inserted into the fixing hole. The shape of the sealing part is adapted to the plug-in port, and the sealing part is used to be inserted into the plug-in port.

6. The heating tray according to claim 4, characterized in that: A sealing member is also provided in the mounting shell, and the sealing member is detachably connected to the mounting shell. A first receiving groove adapted to the temperature protector is provided on the sealing member, and the temperature protector is arranged in the first receiving groove. A limiting protrusion is provided at the lower part of the first receiving groove, and the limiting protrusion abuts against the lower bottom surface of the temperature protector.

7. The heating tray according to claim 5, characterized in that: The tray body further includes an arc portion, which is located on one side of the tray body adjacent to the mounting groove, corresponds to the position of the plug-in port, and blocks the top of the plug-in port.

8. The heating tray according to claim 1, characterized in that: The back of the tray body is provided with a second accommodating groove adapted to the heating wire, and the heating wire is arranged in the second accommodating groove.

9. The heating tray according to claim 1, characterized in that: A positioning protrusion is arranged in the installation groove, a positioning hole matched with the positioning protrusion is arranged on the installation shell, and the positioning protrusion is clamped in the positioning hole.

10. The heating tray according to claim 1, characterized in that: The plurality of support protrusions are spaced a certain distance from each other and are cross-arranged on the back of the tray body.

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