CN211609141U - Electric food warmer with good safety - Google Patents

Abstract

The utility model discloses an electric heat pot that security is good, be equipped with the pot body that generates heat the dish, fix a position the pot in the pot body, set up the upper cover of pot in pot body upper shed department can be airtight, locate the internal power strip of pot including the lower part, the bottom of the pot body is equipped with the installation cavity of indent upwards, the power strip sets up on the inboard roof of installation cavity, the projection of power strip on the installation cavity roof along vertical direction is located in the roof of installation cavity. The utility model discloses can avoid the water droplet to fall on the power strip effectively, and then avoid the power strip trouble such as short circuit, corruption to appear, show the security that promotes the electric heat pot.

Description

Electric food warmer with good safety

Technical Field

The utility model belongs to the technical field of domestic cooking appliance, especially, relate to an electric heat pot that security is good.

Background

With the improvement of living standard, various food processors suitable for household use, such as electric ovens, electric cookers, etc., are emerging. Because the enhancement of the healthy theory of people, more and more people like the culinary art and evaporate the dish, therefore the novel culinary art electrical apparatus of electric steamer class has appeared, and its basic structure includes the pot body, sets up at the internal interior pot of pot, can cover the upper cover that closes on the pot body, and the pot body has the sandwich structure of cavity for inside, and the lower part setting of the pot body is used for the dish that generates heat of heating. When cooking, food to be cooked is placed in a container such as a bowl, then the bowl is placed in the inner pot, and a proper amount of water is placed in the inner pot. Then the upper cover is covered to seal the opening of the inner pot, the starting button is pressed down to electrify the heating element to generate heat, so that the water in the inner pot is boiled to form steam, the food in the bowl can be steamed, and the bowl has the advantages of convenience and safety in use, timing control and the like on the premise of fully meeting the sanitary and healthy requirements of modern people on food processing.

However, the existing electric food warmer has the following defects: as we know, a power panel for controlling the heating plate to work is arranged in a cavity at the lower part of the pot body, because a large amount of steam is generated during cooking food, when a trace of gap is sealed between the inner pot and the upper cover, the steam easily enters the pot body and forms condensed water, and the condensed water is easy to drip on the power panel under the action of gravity; secondly, steam can form a large amount of condensate water on the inner side of the upper cover, and when people open the upper cover, the condensate water flows downwards along the same direction, so that the condensate water is easy to drip into the pot body, and then enters the pot body to drip onto the power panel. When water drops on the power panel, the water drops may cause short circuit, corrosion and other failures of the power panel, thereby affecting the safety of the electric food warmer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric heat pot that security is good can avoid the water droplet to fall on the power strip effectively, and then avoids the power strip to appear faults such as short circuit, corruption, promotes the security of electric heat pot remarkably.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric heat pot that security is good, includes that the lower part is equipped with the pot body that generates heat the dish, fixes a position the interior pot on the pot body, sets up the upper cover of pot in pot body upper shed department can be airtight, locate the internal power strip of pot, the bottom of the pot body is equipped with the installation cavity of indent upwards, the power strip sets up on the inboard roof of installation cavity, the projection of power strip on the installation cavity roof along vertical direction is located in the roof of installation cavity.

As we know, the pot body of the electric food warmer is usually molded, the utility model discloses set up the installation cavity of the indent upwards in the bottom of the pot body, this installation cavity accessible molding conveniently forms, and the roof of installation cavity constitutes the structure of shielding similar canopy this moment. When the power supply board is arranged on the inner top wall (namely the lower side of the top wall) of the mounting cavity, the top wall can reliably shield the power supply board. Even if water enters the pot body above the power supply board, water drops will first drip onto the outer side top wall (i.e. the upper side of the top wall) and then flow along the outer side top wall to the edge of the top wall. Because the projection of the power supply board on the top wall of the mounting cavity along the vertical direction is positioned in the top wall of the mounting cavity, water drops at the edge of the top wall can directly cross the power supply board and drop onto the bottom wall of the pot body when dropping downwards, and short circuit or corrosion caused by the fact that the power supply board is infected with the water drops is effectively avoided. Certainly, we can set up corresponding apopore on the diapire of pot body, can discharge the water droplet that drips, can distribute the internal heat of pot again, avoid the high temperature of dish that generates heat to cause the influence to the power strip.

It can be understood that we can set up corresponding screw post on the inboard diapire of installation cavity to pack the power strip into the installation cavity from the installation cavity opening of pot body downside in, and conveniently fix on the screw post, both do benefit to and simplify the assembly procedure, reduce accessories quantity, can make power strip and inboard roof separate again, avoid on the heat direct transmission to the power strip that the dish that generates heat passed on the roof, be favorable to further promoting the security.

Preferably, the edge of the top wall of the mounting cavity is provided with a side wall extending downwards, wherein part of the side wall is a connecting side wall connected with the pot body into a whole, and the rest side walls are isolating side walls separated from the pot body, so that a wire passing gap is formed between the side walls and the pot body.

It will be appreciated that when the water droplets flow along the outer side top wall of the mounting cavity to the edge, the water droplets will flow inwardly along the horizontal inner side top wall over the edge under tension and wetting, and when the water droplets on the inner side top wall are concentrated to a certain extent, the water droplets will drop down onto the power supply board. The utility model discloses be equipped with downwardly extending's lateral wall at the edge of installation cavity roof, consequently, the water droplet that flows to roof edge can continue the downflow along the outside of lateral wall. For the connecting side wall which partially extends downwards and is connected with the pot body into a whole, the top wall, the connecting side wall and the pot body form an integral structure, so that water drops can be thoroughly prevented from entering the power panel; for the isolation side wall which partially extends downwards and is separated from the pot body to form the wire passing gap, when water drops flow to the lower edge of the isolation side wall, the water drops cannot flow upwards to the top wall of the inner side along the inner side of the isolation side wall, and the water drops accumulated on the lower edge of the isolation side wall finally drop downwards to the bottom wall of the pot body under the action of gravity, so that the water drops can be ensured to be far away from the power supply board, and the safety of the electric heating pot is further improved. In addition, the wire passing gap between the isolation side wall and the pot body is convenient for the connecting wire of the power panel to penetrate out and be connected with the heating plate and the like.

Preferably, a bottom cover is arranged at the opening of the mounting cavity, and an isolation separation blade extending upwards to be in butt joint with the isolation side wall is arranged on the inner side of the bottom cover, so that the wire passing gap is formed between the side edge of the isolation separation blade and the side edge of the connecting side wall.

The utility model discloses opening part at the installation cavity sets up and is used for shutoff open-ended bottom to can make pot body bottom keep closed and level and smooth. It can be understood that the mounting cavity at this moment is directly formed by the upward concave of the bottom wall of the pot body, so that a power panel can be conveniently placed into the mounting cavity and fixed by screws, and then the bottom cover is used for plugging the opening of the mounting cavity, so that the assembly is greatly facilitated. Especially, have on the bottom with keep apart the isolation separation blade of lateral wall butt joint, that is to say, the utility model discloses a cross the line clearance by keeping apart the separation blade and keep apart the mosaic structure that the lateral wall butt joint formed. When the power panel is installed in the installation cavity and the connecting lead of the power panel penetrates out of the edge of the isolation side wall, the bottom cover only needs to be covered, so that a wire passing gap allowing the connecting lead to pass through can be conveniently formed between the isolation separation blade and the isolation side wall, the size of the wire passing gap can be reduced as much as possible, water drops are prevented from entering the installation cavity through the wire passing gap, the installation cavity is enabled to form an independent space for accommodating the power panel, and the connecting lead can conveniently penetrate out of the wire passing gap. In particular, the separation flaps ensure that downwardly dripping water droplets are separated outside the installation chamber.

Preferably, a mica heat insulation sheet close to the top wall of the outer side of the mounting cavity is arranged in the pot body.

We know that mica has good thermal-insulated and insulating effect to with low costs, and generate heat and set up the top of bottom in the pot body, the utility model discloses set up the mica heat shield in installation cavity outside roof department, can keep apart effectively that the heat that generates heat and set up and send conducts on the installation cavity, be favorable to protecting the power strip in the installation cavity, ensure the normal work of power strip.

Preferably, the top wall outside the installation cavity is provided with crossed supporting ribs and positioning columns with the same height as the supporting ribs, and the heat insulation sheets are fixed on the top wall outside the installation cavity through the positioning columns.

Because mica keeps apart the hot piece more fragile, the utility model discloses set up alternately to become latticed support rib on the roof of the installation cavity outside to both can make the heat insulating sheet obtain even reliable support, can form the space again between heat insulating sheet and installation cavity roof, thereby further improve thermal-insulated effect.

Preferably, the inner side of the top wall of the mounting cavity is provided with a screw column, the power panel is fixed on the screw column through a screw, and the distance between the power panel and the heating plate is 40-60 mm.

The power panel is fixed through the screw post that sets up at the installation cavity roof inboard, makes things convenient for its assembly, can make the power panel and generate heat and form sufficient distance between the dish simultaneously, avoids generating heat and coils the heat that sends and produce bad influence to the power panel. When the distance between the power panel and the heating disc is less than 40mm, the heat insulation effect between the heating disc and the power panel is influenced, and the power panel is easy to work abnormally due to overhigh temperature; when the distance between the power panel and the heating plate is more than 60mm, the length of the screw column needs to be prolonged, so that the depth of the mounting cavity and the height of the bottom of the pot body are increased, the material cost is increased, and the overall dimension of the electric heating pot is too high.

Preferably, the bottom cover is provided with heat dissipation holes, the heat dissipation holes comprise a lower blind hole in a strip shape at the lower side of the bottom cover and an upper blind hole in a strip shape at the upper side of the bottom cover, and the upper blind hole and the lower blind hole are arranged in a staggered mode in the width direction, so that the length side walls of the upper blind hole and the lower blind hole are at least partially overlapped.

The radiating holes arranged on the bottom cover are beneficial to radiating heat in the mounting cavity, and the power panel is ensured to work in a proper temperature range. Particularly, the heat dissipation holes are not straight-through holes and comprise lower blind holes and upper blind holes which are arranged in a staggered mode, and the length side wall parts of the upper blind holes and the lower blind holes are overlapped, so that the upper blind holes and the lower blind holes are butted to form the heat dissipation holes in a Z shape on the cross section, the heat dissipation effect of the heat dissipation holes is not influenced, external fine rod type foreign matters can be prevented from directly entering the installation cavity through the heat dissipation holes, and the electric safety of the electric heating cooker is improved.

Preferably, the outer edge of the isolation sidewall is provided with a guide rib extending to the side edge of the connection sidewall.

The guide convex strip can block that the water droplet gets into the installation cavity through the line clearance of crossing between isolation lateral wall and the isolation separation blade, and when the water droplet flowed down to the guide convex strip department of lower limb along isolation lateral wall, the water droplet can be shunted to both sides along the guide convex strip, and the both ends from the guide convex strip drip downwards at last, further promote the water proof effect of installation cavity.

Preferably, the upper surface of the guide rib is inclined downward from outside to inside.

Because the upper surface of the guide raised line is inclined downwards from outside to inside, that is, the outer side of the upper surface of the guide raised line is higher than the inner side, a drainage channel with an acute cross section is formed between the upper surface of the guide raised line and the isolation side wall. When water drops flow downwards to the guide raised lines at the lower edge along the isolation side walls, the water drops can be distributed towards two sides along the drainage ditch to avoid the wire passing gap, and finally, the water drops drop downwards from two ends of the guide raised lines, so that the water drops are prevented from outwards crossing the outer edges of the upper side walls of the guide raised lines and downwards entering the wire passing gap.

Preferably, the thickness of the top wall of the mounting cavity is between 2mm and 2.5 mm.

The thickness of the top wall of the mounting cavity can be reasonably controlled, and the top wall of the mounting cavity has a good heat insulation effect on the premise of ensuring the mounting and positioning strength of the power panel. When the thickness of the top wall of the installation cavity is less than 2mm, the strength and the rigidity of the installation cavity can be influenced, the reliability of fixing the power panel is reduced, and meanwhile, the heat insulation of the installation cavity is not facilitated; when the thickness of the top wall of the mounting cavity is more than 2.5mm, injection molding defects such as shrinkage marks are easily caused, or the overall wall thickness is increased, thereby increasing the material cost.

Therefore, the utility model discloses following beneficial effect has: the electric heating pan can effectively prevent water from dropping on the power panel, further avoid the power panel from faults of short circuit, corrosion and the like, and remarkably improve the safety of the electric heating pan.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial cross-sectional view of the top wall of the mounting chamber.

FIG. 3 is a top view of the pot body after the heating plate is taken out.

Fig. 4 is a partial sectional view of the bottom cover.

In the figure: 1. pot body 11, control panel 12, installation cavity 121, top wall 122, connecting side wall 123, isolating side wall 124, wire passing gap 125, guide convex strip 13, support rib 14, heat radiating hole 141, upper blind hole 142, lower blind hole 2, inner pot 3, heat insulating sheet 4, heating plate 5, power panel 6, bottom cover 61 and isolating baffle sheet.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, an electric pan with good safety, specifically, an electric steamer, comprises a pan body 1, an inner pan 2, and an upper cover (not shown in the figure), wherein the pan body is of a sandwich structure, a control panel 11 with control keys is arranged on the outer side of the pan body, the upper side of the pan body is provided with a concave cavity, the inner pan is sunken in the concave cavity, so that the inner pan is positioned, and a heating plate 4 is arranged at the bottom of the concave cavity of the pan body, so as to heat the inner pan positioned in the concave cavity. When the water in the inner pot is boiled, the food in the inner pot can be cooked. In addition, the upper cover is arranged at the upper opening of the pot body, and when the upper cover covers the upper opening of the pot body, the upper cover seals the opening of the inner pot so as to reduce or even avoid the leakage of steam in the inner pot.

Certainly, a power panel 5 is also needed to be arranged in the pot body at the lower part, and the power panel is electrically connected with the heating disc and the control panel so as to set a working mode and a working program through the control panel and further control the working state of the heating disc.

Preferably, an upwards-concave mounting cavity 12 is formed in the bottom of the pot body, and 4 screw columns are arranged on the inner side of the top wall 121 of the mounting cavity, so that the power panel can be conveniently installed into the mounting cavity from an opening of the mounting cavity on the lower side of the pot body and can be conveniently fixed on the screw columns through screws. For the plastic pan body, the mounting cavity and the screw column can be integrally formed with the pan body through an injection molding process, and the top wall of the mounting cavity forms a shielding structure similar to a rain shed for the power supply board. Not only is favorable for simplifying the assembly procedure and reducing the number of spare and accessory parts, but also can separate the power panel from the inner side top wall, avoids the heat transmitted to the top wall by the heating plate from being directly transmitted to the power panel, and is favorable for further improving the safety.

When the water drops enter the upper part of the power supply board in the pot body, the water drops firstly drop on the outer top wall and then flow to the edge of the top wall along the outer top wall. The water drops on the edge of the top wall drop downwards onto the bottom wall of the pot body, so that the short circuit or corrosion caused by the water drops which are infected on the power panel is avoided, and the safety of the electric heating pot is improved. Of course, it is necessary to provide corresponding water outlet holes on the bottom wall of the pan body so as to discharge the dripping water drops.

Furthermore, we should ensure that the projection of the power panel on the top wall of the mounting cavity along the vertical direction is located in the top wall of the mounting cavity, so that the top wall of the mounting cavity can completely cover the power panel, and ensure that water drops at the edge of the top wall can directly cross the power panel and drop onto the bottom wall of the pot body when dropping downwards.

It should be noted that, because the mounting cavity is recessed upwards from the bottom of the pot body, the outer side of the top wall of the mounting cavity is the upper side of the top wall, and the inner side of the top wall of the mounting cavity is the lower side of the top wall.

As a preferable scheme, a side wall extending downwards is arranged at the edge of the top wall of the mounting cavity, part of the side wall extends downwards and then is connected with the pot body into a whole, so that the side wall is formed into a connecting side wall 122, the top wall is connected with the pot body into a whole through the connecting side wall, the connecting side wall can be integrally manufactured through a molding process, and the top wall, the connecting side wall and the pot body form an integral structure. Certainly, the lower edge of the rest part of the side wall needs to be separated from the pot body, and the part of the side wall forms the isolation side wall 123, so that a wire passing gap 124 allowing the connecting wire of the power panel to pass through outwards is formed between the lower edge of the isolation side wall and the pot body, and the connecting wire of the power panel can conveniently pass through outwards to be connected with the heating plate, the control panel and the like.

It is known that under tension and wetting, water droplets will flow laterally along the horizontal top wall. Because the lateral wall that downwardly extending is equipped with at the edge of installation cavity roof, consequently, when the water droplet that drips to installation cavity outside roof transversely flows to the edge along installation cavity outside roof, wherein partial water droplet can continue downward flow along the outside of connecting the lateral wall, thereby prevent the water droplet to enter into on the power strip of installation cavity, remaining water droplet then flows to the lower limb along the outside of keeping apart the lateral wall downwards, water droplet at this moment can't upwards flow back to on the inboard roof along the inboard of keeping apart the lateral wall under neutral effect, the water droplet that gathers at isolation lateral wall lower limb finally drops on the diapire of the pot body under the effect of gravity, thereby can ensure that the water droplet keeps away from the power strip, further promote the security of electric heat pot.

Preferably, as shown in fig. 2, a guiding rib 125 extending transversely to the side edge of the connecting sidewall is further provided on the lower outer edge of the separating sidewall. When the water droplet along keeping apart the lateral wall downward flow to the guide sand grip department of lower limb, the water droplet can be shunted to both sides along the upper surface of guide sand grip, drips downwards from the both ends of guide sand grip at last, avoids the water droplet to get into the installation cavity through crossing the line clearance, further promotes the water proof effect of installation cavity.

Furthermore, the guide convex strips can be arranged into a herringbone shape with a high middle part and low two sides, and the inclination angle of the guide convex strips can be controlled between 3 degrees and 5 degrees so as to avoid the retention of water drops on the upper surfaces of the guide convex strips. In addition, the upper surface of the guide rib is inclined downwards from outside to inside, that is, the outer side of the upper surface of the guide rib is higher than the inner side, so that a drainage channel with an acute cross section is formed between the upper surface of the guide rib and the isolation side wall. When water drops flow downwards to the guide raised lines at the lower edge along the isolation side walls, the water drops can be distributed towards two sides along the drainage ditch to avoid the wire passing gap, and finally, the water drops drop downwards from two ends of the guide raised lines, so that the water drops are prevented from outwards crossing the outer edges of the upper side walls of the guide raised lines and downwards entering the wire passing gap.

In order to facilitate processing and assembly, the pot body comprises a main body part at the upper part and a base at the lower part, and the mounting cavity can be directly formed on the lower surface of the base, so that an opening of the mounting cavity is formed on the lower surface of the base, a power panel is conveniently mounted in the mounting cavity and fixed through screws. In addition, a bottom cover 6 can be arranged at the opening of the mounting cavity, so that the bottom of the pot body is kept closed and flat, an isolation blocking piece 61 which extends upwards to be in butt joint with the isolation side wall is arranged on the inner side of the bottom cover, and a gap between the upper side edge of the isolation blocking piece and the lower side edge of the connecting side wall forms a wire passing gap.

When the power panel is installed in the installation cavity, a large opening is formed in one side of the isolation side wall of the installation cavity, a connecting wire of the power panel can conveniently penetrate out of the edge of the isolation side wall, then the bottom cover covers the opening of the installation cavity, a wire passing gap allowing the connecting wire to pass through can be conveniently formed between the isolation separation sheet and the isolation side wall, the size of the wire passing gap can be reduced as much as possible, water drops are prevented from entering the installation cavity through the wire passing gap, the installation cavity forms an independent space for containing the power panel, and interference on the connecting wire of the power panel can be avoided.

As another preferred scheme, mica heat insulation sheets 3 close to the top wall outside the mounting cavity can be arranged inside the pot body. That is to say, the mica heat shield is located and generates heat between dish and the installation cavity, relies on the good thermal-insulated and insulating effect of mica, can keep apart effectively that the heat that generates heat and set up and send conducts on the installation cavity, is favorable to protecting the power strip in the installation cavity, ensures the normal work of power strip to be favorable to reduce cost.

Preferably, the top wall of the outer side of the installation cavity can be further provided with a supporting rib 13 which is crossed transversely and vertically, a positioning column and a screw column which are as high as the supporting rib, the supporting rib is enclosed into a rectangle, the heat insulation sheet is positioned on the supporting rib through the positioning column, the heat insulation sheet is uniformly and reliably supported and fixed on the top wall of the outer side of the installation cavity at intervals through the screw column, and a gap is formed between the heat insulation sheet and the top wall of the installation cavity at the moment, so that the heat insulation effect is further improved.

Furthermore, the distance between the power panel and the heating plate can be controlled to be 40-60 mm by adjusting the height of the screw column on the inner side of the bottom wall of the mounting cavity, so that the power panel can be conveniently assembled, meanwhile, an enough distance is formed between the power panel and the heating plate, the adverse effect of heat emitted by the heating plate on the power panel is avoided, and the height size of the pot body is reduced as much as possible.

Furthermore, as shown in fig. 4, a heat dissipation hole 14 may be further disposed on the bottom cover to facilitate dissipating heat in the close-closed installation cavity, so as to ensure that the power board operates in a proper temperature range. Specifically, the heat dissipation holes comprise a lower elongated blind hole 142 located on the lower side of the bottom cover and an upper elongated blind hole 141 located on the upper side of the bottom cover, the depths of the upper blind hole and the lower blind hole are three fourths of the thickness of the bottom cover, and the upper blind hole and the lower blind hole are arranged in a staggered mode in the width direction, so that the length side walls of the upper blind hole and the lower blind hole are at least partially overlapped and communicated to form the heat dissipation holes, and the cross sections of the heat dissipation holes are Z-shaped, so that the ventilation area of the heat dissipation. When the eater such as children operates by mistake and inserts foreign matters such as metal thin rods into the lower blind hole on the lower side of the heat dissipation hole, the lower blind hole can be blocked by the bottom wall of the lower blind hole and cannot enter the installation cavity, and the electric safety of the electric food warmer is further improved.

In addition, the thickness of the top wall of the mounting cavity can be controlled to be 2mm-2.5mm, so that the mounting and positioning strength of the power supply board can be ensured, the top wall of the mounting cavity has a good heat insulation effect, the injection molding of the pot body is facilitated, injection molding flaws such as shrinkage marks are avoided, and the material cost is reduced.

It is understood that various changes and modifications other than those described in the preferred embodiments described above may be made by those skilled in the art without departing from the spirit of the invention, and the scope of the invention is defined by the appended claims.

Claims (10)

1. The utility model provides an electric heat pot that security is good, includes that the lower part is equipped with the pot body that generates heat the dish, fixes a position the interior pot on the pot body, set up the upper cover of pot in pot body upper shed department can be airtight, locate the internal power strip of pot, characterized by, the bottom of the pot body is equipped with the installation cavity of indent upwards, the power strip sets up on the inboard roof of installation cavity, the projection of power strip on the installation cavity roof along vertical direction is located in the roof of installation cavity.

2. The electric heating pan as claimed in claim 1, wherein the top wall of the mounting cavity has downwardly extending sidewalls at its edges, wherein a portion of the sidewalls are connecting sidewalls integrally connected to the pan body, and the remaining sidewalls are isolating sidewalls separated from the pan body, thereby forming a wire passing gap between the sidewalls and the pan body.

3. The electric food warmer of claim 2, wherein a bottom cover is provided at the opening of the mounting cavity, and an isolation plate extending upward to abut against the isolation sidewall is provided inside the bottom cover, so that the wire passing gap is formed between the side edge of the isolation plate and the side edge of the connecting sidewall.

4. The electric food warmer of claim 1, wherein the inner part of the pan body is provided with a mica heat insulation sheet near the outer top wall of the installation cavity.

5. The electric food warmer of claim 4, wherein the top wall of the outer side of the mounting cavity is provided with cross supporting ribs and positioning posts having the same height as the supporting ribs, and the heat insulation sheet is fixed on the top wall of the outer side of the mounting cavity through the positioning posts.

6. The electric food warmer of claim 1, wherein the screw posts are disposed on the inner side of the top wall of the mounting cavity, the power board is fixed to the screw posts by screws, and the distance between the power board and the heating plate is 40mm-60 mm.

7. The electric food warmer of claim 3, wherein the bottom cover has heat dissipation holes, the heat dissipation holes comprise a lower elongated blind hole located at the lower side of the bottom cover and an upper elongated blind hole located at the upper side of the bottom cover, the upper and lower blind holes are arranged in a staggered manner in the width direction, such that the length sidewalls of the upper and lower blind holes at least partially overlap.

8. The electric food warmer of claim 2, wherein the insulating side walls have guide ribs extending to the side edges of the connecting side walls.

9. The electric food warmer of claim 8, wherein the upper surface of the guiding rib is inclined downward from the outside to the inside.

10. The electric food warmer of claim 1, wherein the thickness of the top wall of the mounting cavity is between 2mm and 2.5 mm.

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