CN218186363U - Power line fixing structure of electric food warmer - Google Patents

Abstract

The utility model discloses a power cord fixed knot of electric heat pot constructs has solved the power cord high temperature in the terminal box among the prior art and has not conform to the technical problem of the safety standard requirement, the utility model provides a power cord fixed knot constructs, including terminal box and power cord, the branching end of power cord is located in the terminal box, the electric heat pot includes the base and installs heating device on the base, the terminal box is installed in the base, be equipped with in the terminal box with the inside thermal-insulated chamber of separating formation of terminal box and the heat insulating board that holds the chamber, thermal-insulated chamber is located heating device with hold between the chamber, the branching end of power cord is located hold the intracavity.

Description

Power line fixing structure of electric food warmer

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electric heat pot technical field especially relates to a power cord fixed knot of electric heat pot constructs.

[ background of the invention ]

Electric heat pot among the prior art adopts the heating plate to heat usually, so, just can lead to the inside temperature of machine higher, adopts non-high temperature resistant wire rod usually because of the power cord, for avoiding the power cord high temperature, sets up a terminal box bottom the shell of machine usually, draws forth the inside high temperature lead wire of machine in the terminal box again and is connected with the branching end of power cord. However, the temperature of the junction box is still high after the junction box is subjected to the heat radiation of the heating plate, so that the temperature of the power line branch end is too high, the safety requirement is not met, and potential safety hazards are easily caused.

[ Utility model ] A method for manufacturing a semiconductor device

The utility model aims to solve the technical problem that overcome prior art not enough and provide a power cord fixed knot of electric heat pot constructs, can further reduce the temperature of power cord bifurcation end to make the product accord with ann rule requirement, avoid appearing the potential safety hazard.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a power cord fixed knot of electric heat pot constructs, includes terminal box and power cord, the branching end of power cord is located in the terminal box, the electric heat pot includes the base and installs heating device on the base, the terminal box is installed in the base, be equipped with in the terminal box with the inside heat insulating board that separates the formation heat insulating chamber and hold the chamber of terminal box, heat insulating chamber is located heating device with hold between the chamber, the branching end of power cord is located hold the intracavity.

In the above power cord fixing structure, a horizontal projection of the junction box is located outside a horizontal projection of the heating device.

In the above power cord fixing structure, the junction box includes a box body and a box cover, the bottom wall of the base is locally arched upwards to form the box body, the heat insulation cavity is located above the accommodating cavity, and the box cover is installed at the bottom of the box body.

In the above power cord fixing structure, the top of the box body is provided with two screw posts extending downwards, the power cord is limited between the two screw posts, and the box cover is fixed on the screw posts through screws.

In the above power cord fixing structure, the box cover is provided with a plurality of heat dissipation holes communicated with the accommodating cavity.

In the above power cord fixing structure, the height of the heat insulation cavity is not less than 2mm.

In the power line fixing structure, the top wall of the box body is provided with a limiting rib protruding downwards, the height of the limiting rib is not less than 2mm, and the limiting rib is arranged between the top of the box body and the heat insulation plate.

In the power line fixing structure, the heat insulation board is in interference fit with the side wall of the box body, so that the heat insulation board is embedded and fixed in the box body.

In the above power cord fixing structure, a heat reflecting film is attached to a surface of the junction box facing the heating device.

In the above power line fixing structure, the heat reflecting film is a tin foil paper or an aluminum sheet.

The utility model has the advantages that:

the utility model provides an be equipped with in the terminal box and separate the heat insulating board that forms thermal-insulated chamber and hold the chamber with the terminal box is inside, thermal-insulated chamber is located heating device and holds between the chamber, and the branching end of power cord is located and holds the intracavity. Because the heat insulation plate has a good heat insulation effect, most of heat radiated by the heating device towards the junction box can be blocked by the heat insulation plate, and therefore the temperature of the accommodating cavity is reduced; in addition, the heat radiation effect is also promoted in the setting of thermal-insulated chamber, realizes two-layer thermal-insulated, can further reduce the temperature that holds the chamber from this, avoids being located the branching end high temperature that holds the power cord of intracavity, makes the product accord with the safety regulation requirement, avoids appearing the potential safety hazard.

The horizontal projection of the terminal box is located outside the horizontal projection of the heating device. By the design, the junction box can be farther away from the heating device, so that the distance of heat transferred to the junction box is increased, more heat is dissipated in the transfer process, the heat transferred from the heating device to the junction box is reduced, and the temperature of the power line branch end is further reduced.

The junction box comprises a box body and a box cover, wherein the bottom wall of the base is locally and upwards arched to form the box body, the heat insulation cavity is located above the containing cavity, and the bottom of the box body is installed on the box cover. So design, put into the branching end of power cord and make its and pin connection after the box body, can be fixed with the lead wire and the power cord that connect with the bottom of lid installation box body afterwards, made things convenient for the equipment of power cord and terminal box from this, when the equipment is accomplished the back and is used simultaneously, the user also can not look directly to the terminal box, has promoted the outward appearance of product from this.

The top of box body is equipped with two screw posts of downwardly extending, and the power cord is injectd between two screw posts, and the lid passes through the fix with screw on the screw post. So design, inject the power cord between two screw posts when the box body is connected to the lid, the equipment of terminal box and the fixed synchronous completion of power cord reduce unnecessary assembly process.

The box cover is provided with a plurality of heat dissipation holes communicated with the containing cavity. So design can make the heat that holds the intracavity discharge through the louvre fast to this further reduces the temperature that holds chamber and power cord branch end.

The height of the heat insulation cavity is not less than 2mm. So design, can promote the thermal-insulated effect in thermal-insulated chamber.

The roof of box body is equipped with downward convex spacing muscle, and spacing muscle highly is not less than 2mm, and spacing muscle is located between the top of box body and the heat insulating board. By the design, the installation position of the heat insulation plate can be limited through the limiting ribs, so that the height of the heat insulation cavity is ensured to be not less than 2mm, and the heat insulation effect of the heat insulation cavity is further ensured; in addition, the assembly difficulty of the heat insulation plate is also reduced.

The heat insulation board is in interference fit with the side wall of the box body, so that the heat insulation board is embedded and fixed in the box body. Due to the design, the heat insulation plate can be assembled in the box body without tools, so that the assembling difficulty of the heat insulation plate is reduced, and the assembling efficiency of the junction box is improved.

The surface of the junction box facing the heating device is provided with a heat reflection film. According to the design, heat radiated by the heating device can be reflected back through the heat reflecting film, so that the three-layer heat insulation effect is realized, and the temperature of the accommodating cavity and the power line branch end is further reduced.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

FIG. 1 is a schematic view of a partial explosion of an electric food warmer in a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a partial explosion of the electric food warmer when it is inverted in the preferred embodiment of the present invention;

FIG. 3 is a sectional view of the electric pan in the preferred embodiment of the present invention when it is inverted;

fig. 4 is a partially enlarged schematic view of a in fig. 3.

Reference numerals:

100. a base; 200. a heating device; 300. a junction box; 301. a box body; 3010. a step; 3011. a screw post; 3012. limiting ribs; 302. a box cover; 3021. heat dissipation holes; 310. a heat insulation plate; 320. a thermally insulating cavity; 330. an accommodating chamber; 340. a heat reflective film; 400. a power line; 410. a plug; 420. a bifurcated end.

[ detailed description ] embodiments

The utility model provides a power cord fixed knot of electric heat pot constructs, including terminal box and power cord, the branching end of power cord is located in the terminal box, the electric heat pot includes the base and installs heating device on the base, the terminal box is installed in the base, be equipped with in the terminal box with the inside heat insulating board of separating formation heat insulation chamber and holding the chamber of terminal box, heat insulation chamber is located heating device with hold between the chamber, the branching end of power cord is located hold the intracavity. Because the heat insulation plate has a good heat insulation effect, most of heat radiated by the heating device towards the junction box can be blocked by the heat insulation plate, and therefore the temperature of the accommodating cavity is reduced; in addition, the heat radiation effect is also promoted in the setting of thermal-insulated chamber, realizes two-layer thermal-insulated, can further reduce the temperature that holds the chamber from this, avoids being located the power cord branch end high temperature that holds the intracavity, makes the product accord with the safety standard requirement, avoids appearing the potential safety hazard.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1 to 4, the electric hot pot in this embodiment is an electric hot pot, and includes a base 100 and a heating device 200 installed on the base 100, the heating device 200 is a heating plate, and the power cord fixing structure includes a terminal box 300 and a power cord 400, the power cord 400 has a plug 410 inserted into a power source and a bifurcated end 420, the bifurcated end 420 is located in the terminal box 300 and electrically connected to a lead in the base 100, the terminal box 300 is installed in the base 100, a heat insulation board 310 is installed in the terminal box 300, the heat insulation board 310 is made of heat insulation material such as mica, heat insulation cotton or plastic board, etc., the heat insulation board 310 partitions the inside of the terminal box 300 to form a heat insulation cavity 320 and an accommodation cavity 330, the heat insulation cavity 320 is located between the heating device 200 and the accommodation cavity 330, and the bifurcated end 420 is located in the accommodation cavity 330. Since the heat insulation plate 310 has a good heat insulation effect, most of the heat radiated from the heating apparatus 200 toward the terminal block 300 is blocked by the heat insulation plate 310, thereby reducing the temperature of the receiving cavity 330; in addition, the setting of thermal-insulated chamber 320 has also promoted the radiating effect, realizes two-layer thermal-insulated, can further reduce the temperature that holds chamber 330 from this, avoids being located the branching end 420 high temperature that holds in chamber 330, makes the product accord with the safety regulation requirement, avoids appearing the potential safety hazard.

Specifically, the terminal box 300 of the present embodiment includes a box body 301 and a box cover 302, wherein the bottom wall of the base 100 is partially arched upward to form the box body 301, the box cover 302 is installed on the bottom of the box body 301 to close the lower opening of the box body 301, and since the heating device 200 is located above or obliquely above the terminal box 300, the heat insulation cavity 320 of the present embodiment is located above the accommodating cavity 330, so that the accommodating cavity 330 is located away from the heating device 200, and two layers of heat insulation are achieved by the heat insulation cavity 320 and the heat insulation board 310, thereby reducing the temperature of the bifurcated end 420. Preferably, the box cover 302 is provided with a plurality of heat dissipation holes 3021 communicating with the accommodation cavity 330. With such a design, the heat in the accommodating cavity 330 can be rapidly discharged through the heat dissipation holes 3021, thereby further reducing the temperature of the accommodating cavity 330 and the bifurcated end 420.

In order to assemble the bifurcated end 220 into the junction box 300 and then connect the bifurcated end with the lead, in this embodiment, through holes are formed in the side walls of the base 100 and the box body 301, the bifurcated end 420 penetrates through the through holes to enter the box body 301 and then is connected with the lead, and finally, the connected lead and the bifurcated end 420 can be fixed by installing the box cover 302 at the bottom of the box body 301, so that the assembly of the power cord 400 and the junction box 300 is facilitated, and meanwhile, when the junction box 300 is used after the assembly is completed, a user cannot look directly at the junction box 300, so that the appearance of the product is improved.

In order to reduce the assembly process, as shown in fig. 2, the top of the box body 301 is provided with two screw posts 3011 extending downward, the power cord 400 is limited between the two screw posts 3011, and the box cover 302 is fixed on the screw posts 3011 by screws. By adopting the design, the box cover 302 is connected with the box body 301 and simultaneously limits the power line 400 between the two screw posts 3011, the assembly of the junction box 300 and the fixing of the power line 400 are completed synchronously, and the redundant assembly processes are reduced. The step 3010 is arranged on the inner wall of the box body 301, the box cover 302 is completely embedded into the box body 301 and supported on the step 3010 after being fixedly connected with the screw post 3011, the embedded installation structure can reduce the overall height of the junction box 300, and therefore the requirement of the junction box 300 for the space outside the bottom wall of the base 100 is reduced; since the box cover 302 is embedded in the box body 301 and supported by the step 3010, a better waterproof sealing effect can be formed between the box cover and the box body, and the probability of liquid such as water entering the junction box 300 is reduced.

In addition, in order to further improve the heat insulation effect of the heat insulation chamber 320, the height H of the heat insulation chamber 320 in the embodiment is not less than 2mm, preferably 3mm, so as to avoid increasing the height of the base 100. In order to reduce the difficulty in assembling the heat insulation board 310, the heat insulation board 310 in this embodiment is in interference fit with the sidewall of the box body 301, so that the heat insulation board 310 can be embedded and fixed in the box body 301 without using tools, thereby reducing the difficulty in assembling the heat insulation board 310 and improving the assembling efficiency of the junction box 300.

In order to ensure that the height H of the thermal insulation cavity 320 is not less than 2mm and further ensure the thermal insulation effect of the thermal insulation cavity 320, in this embodiment, the top wall of the box body 301 is provided with a limiting rib 3012 protruding downwards, the limiting rib 3012 is connected with the side wall of the box body 301, the height of the limiting rib 3012 is not less than 2mm, after the thermal insulation board 310 is assembled, the top surface of the thermal insulation board 310 abuts against the limiting rib 3012, so that the installation position of the thermal insulation board 310 is limited by the limiting rib 3012, and the height of the thermal insulation cavity 320 is not less than 2mm; in addition, due to the design, workers are not required to adjust the installation position of the heat insulation plate 310 for many times during assembly, and therefore the assembly difficulty of the heat insulation plate 310 is reduced.

Next, in order to further reduce the temperature in the junction box 300, a heat reflection film 340 is attached to the top surface of the junction box 300 in this embodiment, and the heat reflection film 340 is a tin foil or an aluminum sheet. With this configuration, the heat radiated from the heating device 200 can be reflected back by the heat reflecting film 340, so as to achieve the effect of three-layer insulation, thereby further reducing the temperature of the accommodating chamber 330 and the bifurcated end 420.

Finally, the horizontal projection of the junction box 300 in this embodiment is located outside the horizontal projection of the heating device 200. By such design, the junction box 300 can be further away from the heating device 200, so as to increase the distance for transferring heat to the junction box 300, further increase the heat loss in the transferring process, and reduce the heat transferred from the heating device 200 to the junction box 300, so that the temperature of the bifurcated end 420 is further reduced.

It is understood that in other embodiments of the present invention, the lid can be fixed on the bottom wall of the base by screws or by clamping.

It is understood that, in other embodiments of the present invention, in order to further improve the heat insulation effect, a heat reflection film may be further attached to the entire surface of the box body.

It can be understood that the utility model discloses an in other embodiments, the lateral wall of box body is equipped with the draw-in groove, and the distance between the top of draw-in groove and box body is not less than 2mm, and the edge of heat insulating board clamps in the draw-in groove, so design, can guarantee that highly not less than 2mm in thermal-insulated chamber has also increased the installation reliability of heat insulating board.

The electric food warmer of the present invention is not limited to the electric chafing dish of the above embodiments, but can also be other known kitchen appliances such as electric rice cooker, cooking machine, electric roaster, etc., but the power line connection mode of these appliances is substantially the same, and the above-mentioned kitchen appliances are also applicable to the above-mentioned scheme of the above embodiments.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. The utility model provides a power cord fixed knot of electric heat pot constructs, includes terminal box and power cord, the branching end of power cord is located in the terminal box, the electric heat pot includes the base and installs heating device on the base, the terminal box is installed in the base, its characterized in that, be equipped with in the terminal box with the inside heat insulating board that separates formation heat insulation chamber and hold the chamber of terminal box, heat insulation chamber is located heating device with hold between the chamber, the branching end of power cord is located hold the intracavity.

2. The power cord fixing structure of an electric food warmer of claim 1, wherein the horizontal projection of the junction box is located outside the horizontal projection of the heating device.

3. The structure of claim 1, wherein the junction box comprises a box body and a cover, the bottom wall of the base is partially upwardly arched to form the box body, the heat insulation chamber is located above the receiving chamber, and the cover is installed at the bottom of the box body.

4. The structure of claim 3, wherein the top of the case body is provided with two screw posts extending downward, the power cord is defined between the two screw posts, and the cover is fixed to the screw posts by screws.

5. The power cord fixing structure of an electric food warmer of claim 3, wherein the box cover has a plurality of heat dissipation holes communicating with the receiving cavity.

6. The power cord fixing structure of an electric food warmer according to claim 3, wherein the height of the heat insulating chamber is not less than 2mm.

7. The power cord fixing structure of an electric food warmer according to claim 6, wherein the top wall of the box body is provided with a downwardly protruding limiting rib, the height of the limiting rib is not less than 2mm, and the limiting rib is provided between the top of the box body and the heat insulation plate.

8. The structure of claim 7, wherein the heat insulating plate is fitted over the sidewall of the case body to fix the heat insulating plate in the case body.

9. The structure of any one of claims 1 to 8, wherein a heat reflecting film is attached to a surface of the junction box facing the heating device.

10. The power cord fixing structure of an electric food warmer of claim 9, wherein the heat reflecting film is a foil or aluminum sheet.

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