CN213606060U - Kitchen and bathroom dual-purpose electric heating towel rack - Google Patents

Abstract

The utility model relates to a dual-purpose electric heat towel rail of kitchen guarding, can dismantle first hot plate, second hot plate and the third hot plate of connection including vertical interval, first hot plate the second hot plate the both sides limit of third hot plate aligns respectively and both sides face lower extreme swing joint has splint, first hot plate with swing joint has the supporter between the third hot plate lower extreme, first hot plate dorsad the face upper end movable mounting of second hot plate has foot rest, lower extreme from last to swing joint in proper order down has power pack and strutting arrangement. First hot plate, second hot plate and third hot plate have increased the stoving area, have improved the stoving speed, and the duck foot is installed to the bottom of electric heat towel rail, and the foot rest is installed on upper portion, has realized two kinds of mounting forms, and is hanging and sitting vertical, still installs the supporter on the electric heat towel rail, can place article, has increased the storing function.

Description

Kitchen and bathroom dual-purpose electric heating towel rack

Technical Field

The utility model relates to a dual-purpose electric heating towel rack for kitchen and bathroom.

Background

The electric heating towel rack is a household appliance commonly used in life of people at present, and is generally used for drying towels and bath towels with high humidity, but the electric heating towel rack has single use at present, is mainly placed in a room or a bathroom for washing and rinsing, and cannot meet diversified requirements of people, for example, a kitchen is a heavy place for life, cleaning cloth for cleaning the kitchen, a sponge brush for washing tableware and the like are required to be kept dry, bacteria are not easy to breed in a dry environment, flies and insects are not easy to attract in summer, good sanitation can be kept, and life health is not easy to be influenced; the use form is single, most of the use forms are hanging type electric heating towel racks, or the electric heating towel racks are nailed on a wall or pasted on the wall, and the requirements of users in different scenes cannot be met; and the drying area is small, the drying time is prolonged due to the small drying area, the towel with high humidity cannot be dried in a short time, and the towel is inconvenient to use by a user with frequent towel use times.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem that the prior electric heating towel rack has single purpose, is mostly only used in a washing room or a bathroom, and can not meet the diversified requirements of people in life; the use form is single, most of the use forms are hanging type electric heating towel racks, or the electric heating towel racks are nailed on a wall or stuck and adsorbed on the wall; the drying area is small, the towel with high humidity cannot be dried in a short time, the drying time is prolonged, and the towel is inconvenient to use by a user with frequent towel use times.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a dual-purpose electric heat towel rail of kitchen guarding, includes that vertical interval can dismantle first hot plate, second hot plate and the third hot plate of connection, first hot plate the second hot plate the both sides limit of third hot plate aligns respectively and both sides face lower extreme swing joint has splint, first hot plate with swing joint has the supporter between the third hot plate lower extreme, first hot plate dorsad the face upper end movable mounting of second hot plate has a foot rest, lower extreme from last to lower swing joint in proper order has power pack and strutting arrangement.

Preferably, still include the connecting rod, first hot plate second hot plate face both sides are provided with the through-hole, the third hot plate orientation one side both sides of second hot plate are provided with the counter bore, the one side interval of splint sets up first mount and second mount, the connecting rod passes on the first hot plate the through-hole first mount on the second hot plate the through-hole the second mount on the third hot plate the counter bore is connected.

Preferably, the connecting rod is a screw rod, the counter bore is a threaded counter bore, the second heating plate is clamped into a gap between the first fixing frame and the second fixing frame, and the screw rod penetrates through the through hole in the first heating plate, the through hole in the first fixing frame and the second heating plate, and the threaded counter bore in the second fixing frame and the threaded counter bore in the third heating plate.

Preferably, the first heating plate, the second heating plate, install the line that generates heat in the third heating plate respectively, the line that generates heat includes first input and first output, first heating plate the second heating plate, one side of the face lower extreme of third heating plate is provided with the confession respectively the line that generates heat first input with the through-wire hole that first output passes through, the power pack include with the parallelly connected second input of first input, with the parallelly connected second output of first output.

Preferably, the first heating plate comprises a first plate, a first lining plate and a second plate which are movably connected, the second heating plate comprises a third plate, a second lining plate and a fourth plate which are movably connected, the third heating plate comprises a fifth plate, a third lining plate and a sixth plate which are movably connected, and the heating wires are respectively installed on the first lining plate, the second lining plate and the third lining plate.

Preferably, the first inner lining plate, the second inner lining plate and the third inner lining plate are of a quadrilateral frame structure with a hollow middle, a wiring support is installed in the vertical direction of the first inner lining plate, the second inner lining plate and the third inner lining plate, and the heating wires are installed on the wiring support in a bending mode from bottom to top at intervals.

Preferably, the lower ends of the opposite surfaces of the first heating plate and the third heating plate are respectively provided with a sliding rail which is in sliding connection with the storage basket, the bottom edge of the clamping plate and the bottom edge of the second heating plate are positioned on the same horizontal line, the top end of the storage basket is contacted with the bottom end of the clamping plate, and the bottom end of the storage basket and the bottom edges of the first heating plate and the second heating plate are positioned on the same horizontal line.

Preferably, the power supply box further comprises a pin supporting leg, first jacks are arranged on one face, in contact with the power supply box, of the first heating plate at intervals, second jacks corresponding to the first jacks are formed in the power supply box, and the pin supporting leg is inserted into the second jacks and connected with the first jacks to fix the power supply box on the first heating plate.

Preferably, the power pack is the cuboid and the width equals or is less than the width of first hot plate face, switch is installed to a side of power pack.

Preferably, the support device is an ﹂ -shaped duck foot, the width of the duck foot is smaller than or equal to the width of the first heating plate, and the bottom edge of the duck foot and the bottom edge of the first heating plate are on the same horizontal line.

The utility model discloses technical scheme's beneficial effect is: the multifunctional drying agent has multiple use purposes, can be placed in a bathroom or a room for washing, can also be placed in a kitchen for drying products with high humidity, such as cleaning cloth, dish washing cotton, dish washing balls and the like, keeps dry, is not easy to breed bacteria, keeps good sanitation, and does not influence life health; the use forms are diversified, the multifunctional hanging rack can be hung on a wall and also can be placed on any plane, and the multifunctional hanging rack is suitable for any scene; the drying area is overlarge, the contact area of the object and the heating plate is increased, the drying speed is increased, the drying time is shortened, and the towel drying device is convenient to use by a user with frequent towel times.

The utility model discloses a dual-purpose electric heat towel rail of kitchen guarding, not only can place the article that need be dried in being used for stoving kitchen in the kitchen, also can place and be used for stoving towel in bathroom or the bathroom of washing one's face and rinsing one's mouth, socks, the article that needs such as bath towel are dried, and the form is diversified, divide into to sit vertical and hanging two kinds, can satisfy the use scene that does not, this electric heat towel rail has three hot plate in addition, the drying area super large, and the article quantity that can dry is also many, the drying rate has been improved, and increased and put the thing basket, can place a lot of article, it can slide to put the thing basket, conveniently get and put article, also convenient the dismantlement.

Drawings

FIG. 1 is a three-dimensional structure diagram of an electric towel rack for kitchen and bathroom use in the embodiment of the present invention;

FIG. 2 is an exploded assembly view of the dual-purpose electric towel rack for kitchen and bathroom in the embodiment of the present invention;

FIG. 3 is a schematic view of a slide rail structure in the dual-purpose electric towel rack for kitchen and bathroom in the embodiment of the present invention;

fig. 4 is a structural view of a first inner liner plate according to an embodiment of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Referring to fig. 1, 2, 3 and 4, an electric heating towel rack for kitchen and bathroom is shown, which includes a first heating plate 1, a second heating plate 2 and a third heating plate 3 detachably connected at a vertical interval, as shown in fig. 1, the first heating plate 1, the second heating plate 2 and the third heating plate 3 are all in a vertical state and arranged on a same horizontal line, and two sides of the first heating plate 1, the second heating plate 2 and the third heating plate 3 are respectively aligned on a same horizontal line, in this embodiment, the first heating plate 1 is higher than the second heating plate 2 and the third heating plate 3, the second heating plate 2 is higher than the third heating plate 3, as shown in fig. 1, the heights of the first heating plate 1, the second heating plate 2 and the third heating plate 3 are gradually decreased, in this embodiment, such a design is more beautiful, and the design is only one of them, without limitation, the heights and widths of the first heating plate 1, the second heating plate 2 and the third heating plate 3 are not limited, and can be designed according to actual needs. The lower ends of two side surfaces of the first heating plate 1, the second heating plate 2 and the third heating plate 3 are movably connected with clamping plates 4, two ends of each clamping plate 4 are in contact with and shield two side edges of the first heating plate 1 and the third heating plate 3, the second heating plate 2 is clamped in the middle of the clamping plates 4, a storage rack 5 is movably connected between the lower ends of the first heating plate 1 and the third heating plate 3, the storage rack 5 is in a grid shape, the appearance is attractive, the weight is light, bearing pressure cannot be brought to the first heating plate 1 and the third heating plate 3, the upper end, back to the second heating plate 2, of the surface of the first heating plate 1 is movably provided with foot supports 6, the number of the foot supports 6 in the embodiment is 2, the foot supports are installed on the surface of the first heating plate 1 at intervals, the lower end, back to the second heating plate 2, of the surface of,

the electric heating towel rack for kitchen and bathroom also comprises a connecting rod, in the embodiment, the connecting rod is provided with through holes 10 at two sides of the surfaces of a first heating plate 1 and a second heating plate 2 of screw rods 9, in the embodiment, the number of the through holes 10 is at least two, as shown in figure 2, the two through holes 10 are vertically arranged at intervals, the number of the corresponding screw rods 9 is at least two, two sides of the surface of the third heating plate 3 facing the second heating plate 2 are provided with counter bores, in the embodiment, the counter bores are threaded counter bores 11, one surface of a clamping plate 4 facing the second heating plate 2 is provided with a first fixing frame 41 and a second fixing frame 42 at intervals, the first fixing frame 41 and the second fixing frame 42 are respectively integrally formed and comprise three coaxial channels (not shown) for the screw rods 9 to pass through, the second heating plate 2 is clamped between the first fixing frame 41 and the second fixing frame 42, a distance is reserved between the first fixing frame 41 and the side, the side face of the first fixing frame 41 close to the plate face of the first heating plate 1 is abutted against the plate face of the first heating plate 1, the side face of the second fixing frame 42 close to the third heating plate 3 is provided with a distance for contacting with the side face of the third heating plate 3, the side face of the second fixing frame 42 close to the third heating plate 3 is abutted against the plate face of the third heating plate 3, the first fixing frame 41 is clamped between the first heating plate 1 and the second heating plate 2, the second fixing frame is clamped between the second heating plate and the third heating plate, the screw 9 passes through the through hole 10 on the first heating plate 1, the channel (not shown) of the first fixing frame 41, the through hole 10 on the second heating plate 2, the channel (not shown) of the second fixing frame 42, the threaded counter bore 11 on the third heating plate 3 connects the first heating plate 1, the second heating plate 2, the third heating plate 3 and the clamping plate 4 together, the screw 9 is, in this embodiment, the connecting rod is preferably a screw 9, but is not limited thereto.

The first heating plate 1, the second heating plate 2 and the third heating plate 3 are internally provided with heating wires 12 respectively, each heating wire 12 comprises a first input end 13 and a first output end 14, one side of the lower end of the plate surface of each first heating plate 1, each second heating plate 2 and each third heating plate 3 is provided with a through hole 15 through which the first input end 13 and the first output end 14 of each heating wire 12 can pass, the first input end 13 and the second input end 14 are arranged on the upper side in the through hole 15, the first output end 14 is arranged on the lower side, each first heating plate 1 comprises a first layer plate 111, a first lining plate 112 and a second layer plate 113 which are movably connected, the first layer plate 111, the first lining plate 112 and the second layer plate 113 are formed by welding in the embodiment, the first heating plate 1 can be more stable by welding, no gap exists after welding, water or dust cannot easily enter, and similarly, each second heating plate 2 comprises a third layer plate 211, a second layer plate 14, a second lining plate and a third lining plate, The third heating plate 3 includes a fifth plate 311, a third lining plate 312 and a sixth plate 313 which are movably connected, the fifth plate 311, the third lining plate 312 and the sixth plate 313 are also formed by welding, the materials of the first plate 111, the second plate 113, the third plate 211, the fourth plate 213, the fifth plate 311 and the sixth plate 313 are all stainless steel plates in the embodiment, and the materials of the first lining plate 112, the second lining plate 212 and the third lining plate 312 are metal plates, and the specific materials are not limited. As shown in fig. 4, a structure diagram of the first inner lining board 112 is shown, structures of the second inner lining board 212 and the third inner lining board 312 are the same as the first inner lining board 112, and only size ratios are different, so the structure diagram of the first inner lining board 112 is taken as an example for explanation, the heat generating line 12 is respectively installed on the first inner lining board 112, the second inner lining board 212 and the third inner lining board 312, the first inner lining board 112, the second inner lining board 212 and the third inner lining board 312 are respectively in a hollow quadrilateral frame structure, the routing brackets 17 are installed in vertical directions of the first inner lining board 112, the second inner lining board 212 and the third inner lining board 312, the number of the routing brackets 17 in this embodiment is at least two, the inner lining brackets 17 are respectively installed at vertical intervals at two ends of the board surfaces of the first inner lining board 112, the second inner lining board 212 and the third inner lining board 312, the routing brackets 17 are integrally formed with grooves 23 at intervals, positions of the grooves 23 on the two routing brackets 17 in this embodiment correspond, the joint that the heating wire 12 bent from bottom to top is on walking the recess 23 of support 17, it is shown in fig. 4 specifically, fix in the embedding recess 23 of heating wire 12, make heating wire 12 flush with first interior bushing plate 112 and be in same horizontal plane after installing on walking the support 17, conveniently weld together with first plywood 111 and second plywood 113, heating wire 12 and walk the structure that support 17 installed on second interior bushing plate 212 and third interior bushing plate 312 are the same with the structure of installing on first interior bushing plate 112, only the size ratio is different, consequently, no repeated description is given here. The connection manner of the heating wire 12 and the wire support 17 may also be fixed by means of pasting, adsorbing, binding, and the like, which is not limited herein, and the connection manner of the wire support 17 and the first inner liner 112, the second inner liner 212, and the third inner liner 312 may be connection by means of welding, clamping, adhering, hanging, and the like, which is not limited herein. Specifically, the second inner liner plate 212 and the third inner liner plate 312 have the same structure as the first inner liner plate 112 but have different size ratios, and therefore, the detailed structural connection manner is not repeated. The first heating plate 1, the second heating plate 2, and the third heating plate 3 respectively include a heating wire 12, and thus as shown in fig. 4, a structural diagram of a first lining plate 112 is used for illustration, the heating wire 12 has two ends, i.e. a first input end 13 and a second input end 14, in the first heating plate 1, the heating wire 12 also has the same two ends, i.e. an input end (not shown) and an output end (not shown), in the second heating plate 2 and the third heating plate 3, respectively, the input ends (not shown) of the first heating plate 1, the second heating plate 2, and the third heating plate 3 are respectively connected and then connected in parallel with an input end (not shown) of the power supply box 7, the output ends (not shown) of the first heating plate 1, the second heating plate 2, and the third heating plate 3 are respectively connected and then connected in parallel with an output end (not shown) of the power supply box 7, and then the whole circuit can be connected with, the power switch 22 is turned on to activate the circuit and heat the heating wire 12, and the power switch 22 is turned off to stop the heating wire 12 from heating.

As shown in figure 1, the bottom edges of the first heating plate 1 and the third heating plate 3 are on the same horizontal line, the bottom edge of the second heating plate 2 and the bottom edge of the clamping plate 4 are on the same horizontal plane, and a distance is provided between the bottom edge of the clamping plate 4 and the bottom edges of the first heating plate 1 and the third heating plate 3, so that no partition is provided between the lower end surface of the first heating plate 1 and the lower end surface opposite to the third heating plate 3, a rack 5 is movably connected between the lower end surfaces opposite to the first heating plate 1 and the third heating plate 3, slide rails 18 are respectively installed on the lower end surfaces opposite to the first heating plate 1 and the third heating plate 1, the connection mode of the slide rails 18 and the first heating plate 1 and the second heating plate 2 is not limited, and can be threaded connection, screw connection, sticking connection or clamping connection, etc., the rack 5 can be slidably connected with the slide rails 18, the, the person of facilitating the use gets in supporter 5 the inside and puts article, also makes things convenient for the dismantlement of supporter 5 to wash, and the bottom of supporter 5 and the base of first hot plate 1, the base of third hot plate 3 are in same horizontal plane, and the top of supporter 5 and the bottom contact of splint 4 do not nevertheless influence the slip of supporter 5, and the bottom of splint 4 also is in same water flat line with the base of second hot plate 2, and the slip of supporter 5 can not influenced in the position on the base of second hot plate 2.

As shown in fig. 2, the heating plate further comprises a pin support 19, the power supply box 7 is movably connected to the first heating plate 1 through the pin support 19, first jacks 20 are arranged on one surface of the first heating plate 1 contacting the power supply box 7 at intervals, the number of the first jacks 20 is at least two, in this embodiment, the number of the first jacks 20 is preferably two, a second jack (not shown) corresponding to the first jack 20 is arranged on the power supply box 7, the pin support 19 is inserted into the second jack (not shown) and connected with the first jack 20 to fix the power supply box 7 on the first heating plate 1, the connection mode of the pin support 19 and the first jack 20 can be a threaded connection, or a clamping connection, an embedding connection or the like, which is not limited herein, the number of the pin support 19 is at least two, in this embodiment, the pin support 19 is preferably two, the pin supports 19 are respectively arranged on one surface of the power supply box 7 far away from the first heating plate 1, the position of the power supply box 7 is specifically located between the positions of the through holes 10 vertically arranged on the first heating plate 1, the power supply box 7 is cuboid and has a width equal to or smaller than that of the surface of the first heating plate 1, and a power switch 22 is installed on one side surface of the power supply box 7.

The strutting arrangement is "﹂" type duck foot 8, the width of duck foot 8 is less than or equal to the width of 1 face of first hot plate, the base of duck foot 8 and the base of first hot plate 1 are on same water flat line, the side of duck foot 8 is fixed with the face of first hot plate 1, the effect of duck foot 8 is used for firm electric heat towel rail to sit and stand on the plane, can keep electric heat towel rail to be in vertical state on the plane, can not lead to electric heat towel rail to topple over, the material of duck foot 8 does not do the injecing, can be the metal sheet, the plank, materials such as plastics.

In summary, the utility model designs the electric heating towel rack for kitchen and bathroom, which comprises a first heating plate 1, a second heating plate 2, a third heating plate 3, a first heating plate 1 and a second heating plate 2, the two side edges of the third heating plate 3 are respectively aligned, the lower ends of the two side surfaces are movably connected with clamping plates 4, a storage rack 5 is movably connected between the lower ends of the first heating plate 1 and the third heating plate 3, a foot support 6 is movably installed at the upper end of the plate surface of the first heating plate 1, which is back to the second heating plate 2, and a power supply box 7 and duck feet 8 are sequentially and movably connected at the lower end from top to bottom, the heating wire 12 can be heated by turning on the power supply switch 22, and the heating wire 12 can be stopped from heating by turning off the power supply switch 22, so that the problem that the existing electric heating towel rack is single in use, mostly only used in a room or a bathroom for washing; the use form is single, most of the use forms are hanging type electric heating towel racks, or the electric heating towel racks are nailed on a wall or stuck and adsorbed on the wall; the drying area is small, towels with high humidity cannot be dried in a short time, the drying time is prolonged, the towel can not be used by users with frequent towel use conveniently, and a plurality of beneficial effects are achieved; the use forms are diversified, the multifunctional hanging rack can be hung on a wall and also can be placed on any plane, and the multifunctional hanging rack is suitable for any scene; the drying area is overlarge, the contact area of the object and the heating plate is increased, the drying speed is increased, the drying time is shortened, and the towel drying device is convenient to use by a user with frequent towel times.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims (10)

1. The utility model provides a dual-purpose electric heat towel rail of kitchen guarding, a serial communication port, can dismantle first hot plate, second hot plate and the third hot plate of connection including vertical interval, first hot plate the second hot plate the both sides limit of third hot plate aligns respectively and both sides face lower extreme swing joint has splint, first hot plate with swing joint has the supporter between the third hot plate lower extreme, first hot plate dorsad the face upper end movable mounting of second hot plate has a foot rest, lower extreme from last swing joint in proper order down has power pack and strutting arrangement.

2. The towel rack of claim 1, further comprising a connecting rod, wherein through holes are formed in two sides of the first heating plate and the second heating plate, counter bores are formed in two sides of one surface of the third heating plate facing the second heating plate, first fixing brackets and second fixing brackets are arranged on one surface of the clamping plate at intervals, and the connecting rod penetrates through the through holes in the first heating plate, the through holes in the first fixing brackets and the second heating plate, the second fixing brackets and the counter bores in the third heating plate to be connected.

3. The dual-purpose electric towel rack of claim 2, wherein the connecting rod is a threaded rod, the counter bore is a threaded counter bore, the second heating plate is clamped in a gap between the first fixing frame and the second fixing frame, and the threaded rod passes through the through hole on the first heating plate, the through hole on the first fixing frame and the second heating plate, and the threaded counter bore on the second fixing frame and the third heating plate and is in threaded connection.

4. The dual-purpose electric towel rack of claim 1, wherein heating wires are respectively installed in the first heating plate, the second heating plate and the third heating plate, each heating wire comprises a first input end and a first output end, one side of the lower end of the surface of each of the first heating plate, the second heating plate and the third heating plate is respectively provided with a through wire hole for the first input end and the first output end of each heating wire to pass through, and the power supply box comprises a second input end connected in parallel with the first input end and a second output end connected in parallel with the first output end.

5. An electrothermal towel rack for kitchen and bath use according to claim 4, wherein the first heating plate comprises a first plate, a first inner lining plate and a second plate which are movably connected, the second heating plate comprises a third plate, a second inner lining plate and a fourth plate which are movably connected, the third heating plate comprises a fifth plate, a third inner lining plate and a sixth plate which are movably connected, and the heating wires are respectively mounted on the first inner lining plate, the second inner lining plate and the third inner lining plate.

6. The towel rack of claim 5, wherein the first, second and third inner lining plates are of a hollow quadrilateral frame structure, the first, second and third inner lining plates are vertically provided with wire holders, and the heating wires are bent and mounted on the wire holders at intervals from bottom to top.

7. The dual-purpose electric towel rack for kitchen and bathroom use of claim 1, wherein the lower ends of the opposite surfaces of the first heating plate and the third heating plate are respectively provided with a slide rail connected with the rack in a sliding manner, the bottom edges of the clamping plates and the bottom edge of the second heating plate are on the same horizontal line, the top end of the rack is in contact with the bottom end of the clamping plate, and the bottom end of the rack is on the same horizontal line with the bottom edges of the first heating plate and the second heating plate.

8. The towel rack of claim 1, further comprising a pin, wherein a first hole is spaced apart from a surface of the first heating plate contacting the power supply box, a second hole corresponding to the first hole is formed in the power supply box, and the pin is inserted into the second hole and connected to the first hole to fix the power supply box to the first heating plate.

9. An electrothermal towel rack for kitchen and bath use according to claim 1, wherein the power supply box is rectangular and has a width equal to or less than the width of the first heating plate surface, and a power switch is installed on one side surface of the power supply box.

10. An electric towel rack for kitchen and bathroom use according to claim 1, wherein the supporting means is a duck foot shaped like "﹂", the width of the duck foot is less than or equal to the width of the first heating plate surface, and the bottom edge of the duck foot is on the same horizontal line with the bottom edge of the first heating plate.

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