CN220892348U - Protection device of electric stove - Google Patents

Abstract

The utility model discloses a protective device of an electric cooker, which comprises a plasma discharge assembly, a shell, a supporting plate, a plurality of mounting pieces and a plurality of protective pieces, wherein the shell is provided with a plurality of protective holes; the shell is provided with a containing cavity with an opening at the top, a plurality of first through holes are formed in the bottom wall of the containing cavity at intervals, and the shell is used for being installed on the electric stove; the supporting plate is connected with the shell and covers the opening of the accommodating cavity, a plurality of second through holes are formed in the plate surface of the supporting plate at intervals, and the second through holes are arranged corresponding to the first through holes; the mounting piece is provided with a third through hole and is detachably connected with the second through hole; the protection piece is provided with a fourth through hole, the protection piece is inserted in the third through hole, the plasma discharging assembly can penetrate through the fourth through hole and is inserted in the first through hole, the protection piece surrounds the plasma discharging assembly, and therefore two adjacent plasma discharging assemblies are isolated, arc discharge and other phenomena are avoided between the two adjacent plasma discharging assemblies, and the service life of a supporting plate for installing the plasma discharging assembly is guaranteed.

Description

Protection device of electric stove

Technical Field

The utility model relates to the technical field of stoves, in particular to a protective device of an electric stove.

Background

The electric stove is a novel stove which utilizes the characteristic of plasma, uses high-voltage electric breakdown air to form thermal plasma, converts electric energy into heat energy, finally obtains thermal plasma beams with ideal length and function, and generates the thermal plasma beams with flame-like characteristic to heat a cooker for cooking.

In the existing electric fire stove, an insulating plasma needle supporting plate is arranged above a stove head, a discharge plasma needle is arranged and fixed on the plasma needle supporting plate, and the discharge plasma needle releases high pressure to break down air so as to form flame-shaped thermal plasma beams. Because the high-voltage electricity is transmitted on the plasma needle, the discharge phenomena such as corona discharge, creepage and the like are easy to generate, and the plasma needle support plate generates arc damage, so that the service life of the product is shortened.

Disclosure of utility model

In view of the above, the utility model provides a protection device for an electric stove, which can prevent arcing between plasma needles and has high safety coefficient.

To achieve one or a part or all of the above objects or other objects, the present utility model provides a protection device for an electric cooker, comprising a plasma discharging assembly, a housing, a support plate, a plurality of mounting members and a plurality of protection members; the shell is provided with a containing cavity with an opening at the top, a plurality of first through holes are formed in the bottom wall of the containing cavity at intervals, and the shell is used for being installed on the electric stove; the supporting plate is connected with the shell and covers the opening of the accommodating cavity, a plurality of second through holes are formed in the plate surface of the supporting plate at intervals, and the second through holes are arranged corresponding to the first through holes; the mounting piece is provided with a third through hole and is detachably connected with the second through hole; the protective piece is provided with a fourth through hole, the protective piece is inserted in the third through hole, and the plasma discharging assembly can penetrate through the fourth through hole to be inserted with the first through hole.

Preferably, one end of the mounting piece is provided with a limiting protrusion, the mounting piece is provided with threads, the mounting piece and the second through hole are far away from one end of the accommodating cavity and are in threaded connection, and when the mounting piece and the second through hole are in threaded connection, the limiting protrusion can abut against the supporting plate.

Preferably, one end of the limiting bulge far away from the supporting plate is provided with an inclined abutting surface, and the abutting surface is provided with anti-skid textures.

Preferably, the second through hole is of a countersunk hole structure, and when the mounting piece is in threaded connection with the second through hole, one end of the limiting protrusion can extend into the countersunk head of the second through hole, so that the abutting surface is positioned outside the countersunk head of the second through hole.

Preferably, the wall of the third through hole far away from one end of the accommodating cavity is provided with a clamping groove, and the protecting piece is provided with a clamping protrusion matched with the clamping groove.

Preferably, the clamping groove comprises a first slot, a second slot and a third slot, the first slot, the second slot and the third slot are arranged on the hole wall of the third through hole at intervals, the first slot, the second slot and the third slot extend towards one end of the third through hole close to the accommodating cavity, the extending sizes of the first slot, the second slot and the third slot are different, and the clamping protrusion can be matched with any one of the first slot, the second slot and the third slot.

Preferably, one end of the protection piece, which is far away from the clamping protrusion, is provided with a plurality of cooling fins, the hole wall of the third through hole is provided with a through groove, and the clamping protrusion can pass through the through groove.

Preferably, the device further comprises a plurality of protection bulges, the protection bulges are in annular design, the protection bulges are annularly arranged around the first through hole, and the plurality of protection bulges are radially arranged at intervals along the first through hole.

Preferably, the diameter of the fourth through hole is larger than that of the end, which is inserted into the first through hole, of the plasma discharging assembly.

Preferably, the mounting and the guard are both made of an insulating material.

The implementation of the embodiment of the utility model has the following beneficial effects:

According to the protective device of the electric cooker, the mounting piece is mounted on the second through hole of the supporting plate, and the protective piece is mounted on the third through hole of the mounting piece, so that the plasma discharging component can penetrate through the fourth through hole of the protective piece and is spliced with the first through hole of the bottom wall of the accommodating cavity. The protection piece surrounds the plasma discharge assembly, so that two adjacent plasma discharge assemblies are isolated, arcing and other phenomena between the two adjacent plasma discharge assemblies are avoided, and the service life of the supporting plate for installing the plasma discharge assemblies is ensured. In addition, the position of the protective piece on the mounting piece can be changed through the cooperation of the clamping protrusion and the first slot, the second slot or the third slot, so that the plasma discharge assembly with different sizes is adapted.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 is a schematic view showing the overall structure of a protection device of an electric cooker in one embodiment;

FIG. 2 is a cross-sectional view showing the whole structure of a guard of an electric cooker in one embodiment;

FIG. 3 is a partial cutaway view of a protective device of an electric cooker in one embodiment;

FIG. 4 is an exploded view of the mounting and shielding members of the shielding device of the electric cooker in one embodiment;

Fig. 5 is a cross-sectional view of a mounting of a guard of an electric cooker in one embodiment.

Reference numerals: the plasma discharge assembly 10, the housing 11, the support plate 12, the mounting member 13, the shielding member 14, the accommodating chamber 20, the first through hole 21, the second through hole 22, the third through hole 23, the fourth through hole 24, the limit projection 30, the abutment surface 31, the clamping projection 40, the heat sink 41, the clamping groove 42, the first slot 43, the second slot 44, the third slot 45, the through slot 46, and the shielding projection 50.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1 to 5, the present utility model provides a protection device of an electric cooker, comprising a plasma discharge assembly 10, a housing 11, a support plate 12, a plurality of mounting members 13, and a plurality of protection members 14; the shell 11 is provided with a containing cavity 20 with an open top, a plurality of first through holes 21 are formed in the bottom wall of the containing cavity 20 at intervals, and the shell 11 is used for being installed on an electric stove; the supporting plate 12 is connected with the shell 11 and covers the opening of the accommodating cavity 20, a plurality of second through holes 22 are formed in the plate surface of the supporting plate 12 at intervals, and the second through holes 22 are arranged corresponding to the first through holes 21; the mounting piece 13 is provided with a third through hole 23, and the mounting piece 13 is detachably connected with the second through hole 22; the guard 14 is provided with a fourth through hole 24, the guard 14 is inserted into the third through hole 23, and the plasma discharge assembly 10 can be inserted into the first through hole 21 through the fourth through hole 24. Both the mounting member 13 and the shielding member 14 are made of insulating materials, such as ceramics, which are not easily broken down by the plasma discharge assembly 10, thereby improving the insulation and shielding effects.

It should be noted that the diameter of the fourth through hole 24 is larger than the diameter of the end of the plasma discharge assembly 10 inserted into the first through hole 21, so that the plasma discharge assembly 10 can easily penetrate through the fourth through hole 24 to be inserted into the first through hole 21, friction and resistance during insertion are reduced, and installation efficiency is improved.

Further, one end of the mounting piece 13 is provided with a limiting protrusion 30, the mounting piece 13 is provided with threads, the mounting piece 13 and the second through hole 22 are far away from one end of the accommodating cavity 20 and are in threaded connection, and when the mounting piece 13 and the second through hole 22 are in threaded connection, the limiting protrusion 30 can abut against the supporting plate.

Specifically, the threads on the mounting member 13 are disposed adjacent the limit projection 30. During installation, one end, away from the limiting protrusion 30, of the installation piece 13 is inserted into the second through hole 22, and then the installation piece 13 is rotated to enable the installation piece 13 to be in threaded connection with the second through hole 22, so that the limiting protrusion 30 abuts against the supporting plate 12. Only be equipped with partial screw thread on the mounting 13, the screw thread on the mounting 13 is close to spacing protruding 30 design, consequently need not to keep away from spacing protruding 30 one end whole screw in second through hole 22 of mounting 13, has saved the time of assembly, simplifies the installation step, makes things convenient for the connection dismantlement between mounting 13 and the backup pad 12.

Further, an inclined abutting surface 31 is provided at one end of the limiting protrusion 30 away from the supporting plate 12, and an anti-slip texture is provided on the abutting surface 31.

Specifically, the inclined abutting surface 31 and the anti-slip texture on the abutting surface 31 can increase the contact area between the finger of the user and the limiting protrusion 30, so that the user can rotate the mounting member 13 conveniently, and the mounting member 13 is connected with or detached from the second through hole 22.

Further, the second through hole 22 is of a countersunk hole structure, the countersunk head is located at one end of the second through hole 22 far away from the accommodating cavity 20, when the mounting piece 13 is in threaded connection with the second through hole 22, one end of the limiting protrusion 30 can extend into the countersunk head of the second through hole 22, so that the abutting surface 31 is located outside the countersunk head of the second through hole 22, and the attractiveness of the mounting piece 13 in threaded connection with the second through hole 22 is improved.

Further, a clamping groove 42 is formed in the hole wall of the end, far from the accommodating cavity 20, of the third through hole 23, and a clamping protrusion 40 matched with the clamping groove 42 is formed on the protection piece 14. The guard 14 can be inserted into the third through hole 23 of the mounting member 13 by the engagement of the engagement protrusion 40 with the engagement groove 42.

Specifically, the clamping groove 42 includes a first slot 43, a second slot 44, and a third slot 45, where the first slot 43, the second slot 44, and the third slot 45 are spaced apart from each other on the wall of the third through hole 23, and the first slot 43, the second slot 44, and the third slot 45 all extend toward one end of the third through hole 23 near the accommodating cavity 20, but the first slot 43, the second slot 44, and the third slot 45 extend in different sizes, and in this embodiment, the depth sizes of the first slot 43, the second slot 44, and the third slot 45 are from shallow to deep. When the plasma discharge components 10 with different lengths are inserted into the accommodating cavity 20, the lengths of the plasma discharge components 10 on the upper end face and the lower end face of the supporting plate 12 are different, and the clamping protrusions 40 can be matched with any one of the first slot 43, the second slot 44 or the third slot 45, so that the length sizes of the upper end face and the lower end face of the protecting piece 14 on the supporting plate 12 correspond to the lengths of the plasma discharge components 10, the plasma discharge components 10 are isolated better, and the use safety of the electric stove is ensured.

Further, the end of the protecting member 14 away from the locking protrusion 40 is provided with a plurality of cooling fins 41, the hole wall of the third through hole 23 is provided with a through slot 46, and the locking protrusion 40 can pass through the through slot 46.

Specifically, the plurality of fins 41 are integrally formed with the guard 14. When the mounting member 13 is assembled with the protecting member 14, the clamping protrusion 40 is inserted from one end of the through groove 46 away from the first slot 43, and extends from one end of the through groove 46 close to the first slot 43, after the clamping protrusion 40 extends out of the through groove 46, the protecting member 14 is rotated according to the size of the plasma discharging assembly 10, so that the clamping protrusion 40 is matched with any one of the first slot 43, the second slot 44 or the third slot 45, and the sizes of the protecting member 14 on the upper end face and the lower end face of the supporting plate 12 correspond to the size of the plasma discharging assembly 10. When the plasma discharge assembly 10 is powered on to generate heat, the heat dissipation fins 41 can increase the surface area of the protection piece 14, improve the heat dissipation effect of the protection piece 14, and avoid overheat damage of the protection piece 14.

In addition, in order to improve the stability of the protection component 14 when the third through hole 23 is plugged, the clamping protrusions 40 are symmetrically arranged on the protection component 14, and the first slot 43, the second slot 44 and the third slot 45 are symmetrically arranged on the wall of the third through hole 23. The through groove 46 is also symmetrically arranged on the wall of the third through hole 23 so that the clamping protrusion 40 passes through.

Further, the device further comprises a plurality of protection protrusions 50, the protection protrusions 50 are in annular design, the protection protrusions 50 are arranged around the first through holes 21 in an annular mode, and the protection protrusions 50 are arranged at intervals along the radial direction of the first through holes 21.

Specifically, the plurality of protection protrusions 50 are concentric circles around the periphery of the first through hole 21, so that the protection structure of the bottom wall of the accommodating cavity 20 is diversified, the reliability of insulation protection is high, the effect is good, and the safety of the electric stove during use is ensured.

Based on the above scheme, the protective device of the electric cooker is characterized in that the mounting piece 13 is mounted on the second through hole 22 of the supporting plate 12, the protective piece 14 is mounted on the third through hole 23 of the mounting piece 13, so that the plasma discharging assembly 10 can pass through the fourth through hole 24 of the protective piece 14 and be spliced with the first through hole 21 of the bottom wall of the accommodating cavity 20. The shielding member 14 surrounds the plasma discharge assembly 10, thereby isolating two adjacent plasma discharge assemblies 10, avoiding arcing and other phenomena between the two adjacent plasma discharge assemblies 10, and ensuring the service life of the support plate 12 for installing the plasma discharge assemblies 10. In addition, the position of the shielding member 14 on the mounting member 13 can be changed by matching the clamping protrusion 40 with the first slot 43, the second slot 44 or the third slot 45, so as to adapt to plasma discharge assemblies 10 with different sizes.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (10)

1. The protective device of the electric stove comprises a plasma discharge assembly and is characterized by further comprising a shell, a supporting plate, a plurality of mounting pieces and a plurality of protective pieces;

The shell is provided with an accommodating cavity with an opening at the top, a plurality of first through holes are formed in the bottom wall of the accommodating cavity at intervals, and the shell is used for being installed on an electric stove;

The supporting plate is connected with the shell and covers the opening of the accommodating cavity, a plurality of second through holes are formed in the plate surface of the supporting plate at intervals, and the second through holes are arranged corresponding to the first through holes;

the mounting piece is provided with a third through hole, and the mounting piece is detachably connected with the second through hole;

The plasma discharge assembly can penetrate through the fourth through hole and be inserted into the first through hole.

2. The device according to claim 1, wherein one end of the mounting member is provided with a limiting protrusion, the mounting member is provided with threads, the mounting member is in threaded connection with one end of the second through hole away from the accommodating cavity, and the limiting protrusion can abut against the supporting plate when the mounting member is in threaded connection with the second through hole.

3. The device according to claim 2, wherein the end of the limiting protrusion away from the supporting plate is provided with an inclined abutting surface, and the abutting surface is provided with an anti-slip texture.

4. The device according to claim 3, wherein the second through hole has a countersunk hole structure, and one end of the limiting protrusion can extend into the countersunk head of the second through hole when the mounting member is in threaded connection with the second through hole, so that the abutting surface is located outside the countersunk head of the second through hole.

5. The device according to claim 1, wherein the wall of the third through hole far from one end of the accommodating cavity is provided with a clamping groove, and the protecting piece is provided with a clamping protrusion matched with the clamping groove.

6. The device of claim 5, wherein the clamping groove comprises a first slot, a second slot and a third slot, the first slot, the second slot and the third slot are arranged on the wall of the third through hole at intervals, the first slot, the second slot and the third slot extend towards one end of the third through hole, which is close to the accommodating cavity, the extending sizes of the first slot, the second slot and the third slot are different, and the clamping protrusion can be matched with any one of the first slot, the second slot and the third slot.

7. The device according to claim 5, wherein a plurality of heat radiating fins are provided at one end of the guard member away from the engaging protrusion, a through groove is provided at a wall of the third through hole, and the engaging protrusion can pass through the through groove.

8. The protective device of an electric cooker according to claim 1, further comprising a plurality of protective protrusions, wherein the protective protrusions are of annular design, the protective protrusions are annularly arranged around the first through hole, and the plurality of protective protrusions are radially arranged at intervals along the first through hole.

9. The apparatus of claim 1, wherein the fourth through hole has a diameter greater than a diameter of an end of the plasma discharge assembly that is inserted into the first through hole.

10. The protective apparatus of claim 1, wherein the mounting member and the protective member are each made of an insulating material.