CN216361409U

CN216361409U - Foldable foot warmer

Info

Publication number: CN216361409U
Application number: CN202122552458.6U
Authority: CN
Inventors: 吕轩
Original assignee: Ruth Kangmei Trading Hangzhou Co ltd
Current assignee: Ruth Kangmei Trading Hangzhou Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-22
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a foldable foot warmer, which comprises an insulating layer jacket and a heating layer lining; a lining accommodating space is arranged in the heat-insulating layer jacket, and the heating layer lining is detachably arranged in the lining accommodating space; a sealing zipper is arranged at the opening of the lining containing space to control the opening and closing of the lining containing space; the heating layer lining is detachably arranged in the heat-insulating layer lining, so that the heat-insulating effect of the heating layer lining is improved, the heating layer lining can be detached, and the occupied space of the heating layer lining is reduced; and the assembly of the insulating layer jacket and the heating layer lining is firmer and more stable through the sealing zipper, and the steps of disassembly and assembly are convenient.

Description

Foldable foot warmer

Technical Field

The utility model relates to the field of design and manufacture of daily necessities, in particular to a foldable foot warmer.

Background

The foot warmer is a container with heating and heat-preserving functions, and is usually used by people for warming feet in winter, particularly in office places or at home, and the feet are easy to cool when people sit for a long time in winter.

However, the foot warmer on the market is thinner or directly a warmer without corresponding heat preservation effect, and the heating effect is limited.

Disclosure of Invention

The foldable foot warmer overcomes the defects of the prior art, and is simple in structure, reasonable in design, convenient to carry, use and excellent in heat preservation capacity.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a foldable foot warmer comprises an insulating layer coat and a heating layer lining; a lining accommodating space is arranged in the heat-insulating layer jacket, and the heating layer lining is detachably arranged in the lining accommodating space; a sealing zipper is arranged at the opening of the lining containing space to control the opening and closing of the lining containing space; the shape of heat preservation overcoat and zone of heating inside lining is unanimous, and both of them all can fold and expand to realize the assembly and draw in of insulation can through the mode of folding and expanding.

Furthermore, the heat-insulating layer outer sleeve comprises a heat-insulating box cover surface, a heat-insulating box side surface and a heat-insulating box bottom surface, wherein the heat-insulating box cover surface and the heat-insulating box bottom surface are arranged at two ends of the heat-insulating box side surface, and the heat-insulating box cover surface and the heat-insulating box bottom surface are surrounded by the heat-insulating box side surface to form an inner space of the portable heat-insulating box; each side edge, bottom edge and top edge of the bottom surface of the heat preservation box are connected with the bottom edge of the side surface of the heat preservation box; the bottom edge of the cover surface of the heat preservation box is connected with the top edge of the side surface of the heat preservation box, and the cover surface of the heat preservation box can be lifted and reset.

Furthermore, the outer sleeve of the heat-insulating layer is T-shaped, and the side surface of the heat-insulating box comprises a first side plate, a second side plate, a third side plate and a fourth side plate; the first side plate, the second side plate, the third side plate, the fourth side plate, the cover surface of the heat insulation box and the bottom surface of the heat insulation box are all rectangular plate-shaped; the top edges of the first side plate, the second side plate, the third side plate and the fourth side plate are positioned on the same straight line, the bottom edges of the first side plate, the second side plate, the third side plate and the fourth side plate are positioned on the same straight line, and the side edges of the first side plate, the second side plate, the third side plate and the fourth side plate are parallel to each other;

the side edge of the first side plate is connected with the side edge of the second side plate, the side edge of the second side plate far away from the first side plate is connected with the side edge of the third side plate, and the side edge of the third side plate far away from the second side plate is connected with the side edge of the fourth side plate; the top edge of the bottom surface of the heat preservation box is connected with the bottom edge of the first side plate; the bottom edge of the cover surface of the heat preservation box is connected with the top edge of the first side plate; a first bend is arranged between the first side plate and the second side plate, a second bend is arranged between the second side plate and the third side plate, a third bend is arranged between the third side plate and the fourth side plate, a lower bend is arranged between the bottom surface of the insulation box and the first side plate, and an upper bend is arranged between the cover surface of the insulation box and the first side plate; the first side plate, the second side plate, the third side plate, the fourth side plate, the cover surface of the heat insulation box and the bottom surface of the heat insulation box are bent and moved along the first side plate, the second side plate, the third side plate, the fourth side plate, the cover surface of the heat insulation box and the bottom surface of the heat insulation box to realize the folding and unfolding of the outer sleeve of the heat insulation layer;

when the heat insulation layer jacket is unfolded, the side edge of the fourth side plate far away from the third side plate is connected with the side edge of the first side plate far away from the second side plate, the bottom edge of the bottom surface of the heat insulation box is connected with the bottom edge of the third side plate, the side edge of the bottom surface of the heat insulation box close to the first bend is connected with the bottom edge of the second side plate, and the side edge of the bottom surface of the heat insulation box far away from the first bend is connected with the bottom edge of the fourth side plate; the top edge of the cover surface of the heat preservation box is in contact with the top edge of the third side plate, the side edge of the cover surface of the heat preservation box, which is close to the first bend, is in contact with the top edge of the second side plate, and the side edge of the cover surface of the heat preservation box, which is far away from the first bend, is in contact with the top edge of the fourth side plate.

Furthermore, an assembly zipper is also arranged on the outer sleeve of the heat-insulation layer, and the side surface of the heat-insulation box is connected with the bottom surface of the heat-insulation box through the assembly zipper; the assembling zipper comprises an assembling zipper body, a first assembling zipper tooth and a second assembling zipper tooth, the first assembling zipper tooth is arranged on the side edge of the fourth side plate far away from the third side plate, the bottom edge of the fourth side edge, the bottom edge of the third side plate and the bottom edge of the second side plate, the second assembling zipper tooth is arranged on the side edge of the bottom surface of the heat preservation box close to the first bend, the bottom edge of the bottom surface of the heat preservation box, the side edge of the bottom surface of the heat preservation box far away from the first bend and the side edge of the first side plate far away from the second side plate; the assembly zipper body is assembled on the first assembly zipper teeth and the second assembly zipper teeth.

Furthermore, the opening of the lining containing space and the sealing zipper are arranged on the inner surface of the side surface of the incubator and positioned at one end close to the top edge of the side surface of the incubator; openings of the lining containing space are formed in the first side plate, the second side plate, the third side plate and the fourth side plate; seal the zip fastener including sealing the zip fastener body, first seal sprocket and second and seal the sprocket, first seal the sprocket and the second seals the sprocket and corresponds each other to first seal the sprocket and set up in inside lining accommodation space open-ended upper end, the second seals the sprocket and sets up in inside lining accommodation space open-ended lower extreme, seals the zip fastener body assembly and seals on the sprocket at first seal sprocket and second.

Furthermore, a cover plate is arranged on the top edge of the cover surface of the insulation box, an adjusting bend is arranged between the cover plate and the cover surface of the insulation box, and the cover surface of the insulation box can be lifted and reset through the adjusting bend; when the cover surface of the incubator is reset, the cover plate is contacted with the outer surface of the third side plate; the inner surface of the cover plate is provided with a main buckling piece, and the outer surface of the third side plate is provided with an auxiliary buckling piece corresponding to the main buckling piece.

Further, the heating layer lining comprises a lining bottom plate and a heating wire, and the heating wire is arranged on the inner lining plate; the lining bottom plate comprises a first assembly area, a second assembly area, a third assembly area, a fourth assembly area, a cover assembly area and a bottom assembly area; the first assembly area corresponds to a first side plate, the second assembly area corresponds to a second side plate, the third assembly area corresponds to a third side plate, the fourth assembly area corresponds to a fourth side plate, the cover assembly area corresponds to a cover surface of the heat insulation box, and the bottom assembly area corresponds to a bottom surface of the heat insulation box; the heating wire comprises a first heating area, a second heating area, a third heating area, a fourth heating area, a cover surface heating area and a bottom surface heating area, and the heating areas are communicated with one another; the first heating area is arranged in the first assembly area, the second heating area is arranged in the second assembly area, the third heating area is arranged in the third assembly area, the fourth heating area is arranged in the fourth assembly area, the cover surface heating area is arranged in the cover surface assembly area, and the bottom surface heating area is arranged in the bottom surface assembly area.

Furthermore, the heating wire is a low-temperature heating wire.

Furthermore, the heating regions are arranged in series, the first heating region is connected with the cover surface heating region and the bottom surface heating region, the second heating region is connected with the bottom surface heating region and the third heating region, and the fourth heating region is connected with the third heating region and the cover surface heating region.

Further, the device comprises a control switch and a power supply assembly; the power supply assembly comprises a charging plug and a connecting wire, the control switch is respectively connected with the charging plug and the connecting wire, and the connecting wire is also connected with the heating wire; the control switch also carries a movable power supply; the connecting wire comprises a connecting wire anode and a connecting wire cathode which are connected with the heating wire, and a wiring electrode is arranged on the heating wire and comprises a wiring positive electrode and a wiring negative electrode; the wiring positive electrode is arranged between the second heating area and the bottom surface heating area and is connected with the positive electrode of the connecting wire; the wiring negative electrode is arranged in the fourth heating area and the cover surface heating area and is connected with the negative electrode of the connecting wire; and the positive electrode of the connecting wire and the negative electrode of the connecting wire are also provided with pressing sheets for limiting the positions of the positive electrode and the negative electrode.

The utility model has the beneficial effects that:

the heating layer lining is detachably arranged in the heat-insulating layer lining, so that the heat-insulating effect of the heating layer lining is improved, the heating layer lining can be detached, and the occupied space of the heating layer lining is reduced; and the assembly of the insulating layer jacket and the heating layer lining is firmer and more stable through the sealing zipper, and the steps of disassembly and assembly are convenient.

The shapes of the insulating layer outer sleeve and the heating layer inner lining are consistent, so that the insulating layer outer sleeve and the heating layer inner lining are convenient to assemble; the insulating layer outer sleeve and the heating layer inner liner can be folded and unfolded, and the insulating box is assembled and folded in a folding and unfolding mode; the utility model can be folded when not in use to reduce the occupied space and is convenient to carry.

The heat-insulating layer is sleeved with the bending parts, so that the folding process is more convenient and flexible; the heat preservation overcoat is through assembling the zip fastener, further simple and convenient folding and the expansion of heat preservation overcoat, makes its operation simpler, the process is more swift.

The portable foot warmer has the advantages that the inner space of the portable foot warmer is sealed through the cover plate, so that the portable foot warmer is better in sealing performance, objects in the portable foot warmer can be prevented from falling out, and the heat insulation performance of the portable foot warmer can be improved.

Each heating area of the heating wire corresponds to each assembly area of the lining bottom sheet, and each assembly area of the lining bottom sheet corresponds to each area of the outer sleeve of the heat-insulating layer, so that the heating wire is prevented from being damaged by stress when being folded and unfolded, 360-degree continuous heat insulation is realized, and the heat-insulating effect of the utility model is better; the heating wire adopts the low-temperature heating wire, and the heating areas are arranged in series, so that the heating wire can reach a certain temperature, the heating wire is safer, and the damage to the heating wire and even the danger to human bodies caused by overhigh temperature are avoided.

The arrangement of the pressing sheet ensures that the anode of the connecting wire and the cathode of the connecting wire are limited, and the limitation of the heat preservation effect caused by the damage of the anode of the connecting wire and the cathode of the connecting wire is avoided.

Drawings

FIG. 1 is a block diagram of the present invention.

FIG. 2 is a cross-sectional view of the present invention.

Fig. 3 is a structure view of the inner surface of the insulating layer jacket.

Fig. 4 is a structure view of the outer surface of the insulating layer jacket.

FIG. 5 is a view showing the structure of the zipper of the closure.

FIG. 6 is a view showing a structure of a slide fastener assembly.

Fig. 7 is a view showing a structure of a lining of a heating layer.

Fig. 8 is a block diagram of the control switch and power supply assembly.

Fig. 9 is a structural view of a control switch.

Reference numbers in the figures:

1. the insulating layer is sleeved; 2. a heating layer lining; 3. sealing the zipper; 4. assembling a zipper; 5. a control switch; 6. a power supply component; 7. a joining section; 8. a mouthpiece; 11. a liner-receiving space; 12. covering the heat preservation box; 13. the side surface of the heat preservation box; 14. the bottom surface of the heat preservation box; 15. a cover plate; 16. a main adhesive fastening sheet; 17. auxiliary buckle sticking sheets; 18. threading holes; 21. a lining bottom sheet; 22. heating wires; 31. a sealing zipper body; 32. a first sealing sprocket; 33. a second sealing sprocket; 41. assembling a zipper body; 42. a first assembly sprocket; 43. a second assembly sprocket; 61. a charging plug; 62. a connecting wire; 63. connecting the positive electrode of the wire; 64. connecting a negative electrode of the wire; 65. a positive wiring electrode; 66. a negative wiring electrode; 67. tabletting; 131. a first side plate; 132. a second side plate; 133. a third side plate; 134. a fourth side plate; 135. first bending; 136. second bending; 137. thirdly, bending; 138. bending upwards; 139. bending downwards; 140. bending is adjusted; 211. a first assembly area; 212. a second assembly area; 213. a third assembly area; 214. a fourth assembly region; 215. a cap assembly area; 216. a bottom surface mounting area; 221. a first heating zone; 222. a second heating zone; 223. a third heating zone; 224. a fourth heating zone; 225. a cap surface heating area; 226. a bottom heating zone.

Detailed Description

The utility model is further described with reference to the following figures and specific examples. It should be noted that the examples are only for specifically illustrating the present invention, and the purpose thereof is to make the technical solution of the present invention better understood by those skilled in the art, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed in a specific direction and operation, and thus, should not be construed as limiting the present invention.

Example (b):

as shown in fig. 1-9, a foldable foot warmer comprises an insulating layer jacket 1 and a heating layer lining 2; a lining accommodating space 11 is arranged in the heat-insulating layer jacket 1, and the heating layer lining 2 is detachably arranged in the lining accommodating space 11; a sealing zipper 3 is arranged at the opening of the lining containing space 11 to control the opening and closing of the lining containing space 11; the heating layer lining 2 is detachably arranged in the heat preservation layer jacket 1, so that the heat preservation effect of the heating layer lining 2 is improved, the heating layer lining can be detached, and the occupied space of the heating layer lining is reduced; and make the assembly of heat preservation overcoat 1 and zone of heating inside lining 2 more firm stable through sealing zip fastener 3 to it is convenient that it dismantles and the assembly step.

The shapes of the insulating layer jacket 1 and the heating layer lining 2 are consistent, so that the insulating layer jacket and the heating layer lining are convenient to assemble; both of the heat preservation box and the heat preservation box can be folded and unfolded, and the heat preservation box is assembled and folded in a folding and unfolding mode; the utility model can be folded when not in use to reduce the occupied space and is convenient to carry.

The heat-insulating layer jacket 1 comprises a heat-insulating box cover face 12, a heat-insulating box side face 13 and a heat-insulating box bottom face 14, wherein the heat-insulating box cover face 12 and the heat-insulating box bottom face 14 are arranged at two ends of the heat-insulating box side face 13, and the heat-insulating box side face 13 surrounds the heat-insulating box cover face 12 and the heat-insulating box bottom face 14 to form an internal space of the portable heat-insulating box; each side edge, bottom edge and top edge of the bottom surface 14 of the incubator are connected with the bottom edge of the side surface 13 of the incubator; the bottom edge of the incubator lid 12 is connected to the top edge of the incubator side 13, and the incubator lid 12 can be lifted and reset to seal the interior space of the incubator.

In the embodiment, the portable insulation can is integrally cubic, and the insulating layer jacket 1 and the heating layer lining 2 are both T-shaped; the side 13 of the incubator includes a first side plate 131, a second side plate 132, a third side plate 133, and a fourth side plate 134; the first side plate 131, the second side plate 132, the third side plate 133, the fourth side plate 134, the incubator cover 12 and the incubator bottom 14 are all rectangular plate-shaped; the top edges of the first side plate 131, the second side plate 132, the third side plate 133 and the fourth side plate 134 are in the same straight line, the bottom edges of the first side plate 131, the second side plate 132, the third side plate 133 and the fourth side plate 134 are in the same straight line, and the side edges of the first side plate 131, the second side plate 132, the third side plate 133 and the fourth side plate 134 are parallel to each other; the insulating layer jacket 1 is more compact in assembly, and the structure of the assembled insulating layer jacket 1 is more stable; the side edge of the first side plate 131 is connected with the side edge of the second side plate 132, the side edge of the second side plate 132 away from the first side plate 131 is connected with the side edge of the third side plate 133, and the side edge of the third side plate 133 away from the second side plate 132 is connected with the side edge of the fourth side plate 134; the top edge of the bottom surface 14 of the incubator is connected with the bottom edge of the first side plate 131; the bottom edge of the cover surface 12 of the incubator is connected with the top edge of the first side plate 131; a first bend 135 is arranged between the first side plate 131 and the second side plate 132, a second bend 136 is arranged between the second side plate 132 and the third side plate 133, a third bend 137 is arranged between the third side plate 133 and the fourth side plate 134, a lower bend 139 is arranged between the insulation box bottom surface 14 and the first side plate 131, and an upper bend 138 is arranged between the insulation box cover surface 12 and the first side plate 131; the first side plate 131, the second side plate 132, the third side plate 133, the fourth side plate 134, the insulation box cover surface 12 and the insulation box bottom surface 14 are bent and moved along the bending directions to realize the folding and unfolding of the insulation layer outer sleeve 1; the arrangement of each bend on the insulating layer jacket 1 makes the folding process more convenient and flexible.

In general, the entire portable thermal container is cube-shaped, but may be changed depending on the actual situation.

When the insulating layer jacket 1 is unfolded, the side edge of the fourth side plate 134 far away from the third side plate 133 is connected with the side edge of the first side plate 131 far away from the second side plate 132, the bottom edge of the bottom surface 14 of the incubator is connected with the bottom edge of the third side plate 133, the side edge of the bottom surface 14 of the incubator, which is close to the first bend 135, is connected with the bottom edge of the second side plate 132, and the side edge of the bottom surface 14 of the incubator, which is far away from the first bend 135, is connected with the bottom edge of the fourth side plate 134; the top edge of the incubator lid 12 contacts the top edge of the third side panel 133, the side of the incubator lid 12 near the first bend 135 contacts the top edge of the second side panel 132, and the side of the incubator lid 12 away from the first bend 135 contacts the top edge of the fourth side panel 134.

In the embodiment, the insulation layer jacket 1 is also provided with an assembly zipper 4, and the side surface 13 of the insulation box is connected with the bottom surface 14 of the insulation box through the assembly zipper 4; the assembling zipper 4 comprises an assembling zipper body 41, a first assembling zipper tooth 42 and a second assembling zipper tooth 43, the first assembling zipper tooth 42 is arranged on the side edge of the fourth side plate 134 far away from the third side plate 133, the bottom edge of the fourth side edge, the bottom edge of the third side plate 133 and the bottom edge of the second side plate 132, the second assembling zipper tooth 43 is arranged on the side edge of the bottom surface 14 of the heat preservation box close to the first bend 135, the bottom edge of the bottom surface 14 of the heat preservation box, the side edge of the bottom surface 14 of the heat preservation box far away from the first bend 135 and the side edge of the first side plate 131 far away from the second side plate 132; the fitting fastener body 41 is fitted over the first fitting element 42 and the second fitting element 43; when the heat-insulating layer jacket 1 needs to be unfolded, the assembly zipper body 41 is pulled to enable the first assembly zipper teeth 42 and the second assembly zipper teeth 43 to be meshed, and then the heat-insulating layer jacket 1 can be unfolded; the heat-insulating layer coat 1 is further folded and unfolded simply and conveniently through the assembly of the zipper 4, so that the operation is simpler and the process is quicker.

In this embodiment, the opening of the lining accommodating space 11 and the sealing zipper 3 are disposed on the inner surface of the side surface 13 of the incubator and located at one end close to the top edge of the side surface 13 of the incubator, so as to facilitate the assembly of the heating layer lining 2 and improve the stability of the heating layer lining 2 after assembly; openings of the liner accommodation space 11 are provided on the first side plate 131, the second side plate 132, the third side plate 133, and the fourth side plate 134; the sealing zipper 3 comprises a sealing zipper body 31, a first sealing zipper tooth 32 and a second sealing zipper tooth 33, the first sealing zipper tooth 32 and the second sealing zipper tooth 33 correspond to each other, the first sealing zipper tooth 32 is arranged at the upper end of the opening of the lining containing space 11, the second sealing zipper tooth 33 is arranged at the lower end of the opening of the lining containing space 11, and the sealing zipper body 31 is assembled on the first sealing zipper tooth 32 and the second sealing zipper tooth 33; the sealing zipper 3 further improves the stability of the heating layer lining 2 after assembly, and prevents the heating layer lining from falling out or external objects from entering the lining accommodating space 11.

A cover plate 15 is arranged on the top edge of the insulation box cover surface 12, an adjusting bend 140 is arranged between the cover plate 15 and the insulation box cover surface 12, and the insulation box cover surface 12 can be lifted and reset through the adjusting bend 140; when the cover plate 15 is reset, the cover plate 12 is in contact with the outer surface of the third side plate 133; the cover plate 15 is used for sealing the inner space of the portable insulation can, so that the sealing performance of the portable insulation can is better, objects in the portable insulation can be prevented from falling out, and the insulation performance of the portable insulation can also be improved; the main fastening sheet 16 is arranged on the inner surface of the cover plate 15, the auxiliary fastening sheet 17 is arranged on the outer surface of the third side plate 133 corresponding to the main fastening sheet 16, and the cover plate 15 is fixed through the main fastening sheet 16 and the auxiliary fastening sheet 17, so that the sealing performance of the utility model is improved.

In the present embodiment, the heating layer lining 2 includes a lining bottom sheet 21 and a heating wire 22, and the heating wire 22 is disposed on the lining bottom sheet 21; the liner backsheet 21 includes a first assembly region 211, a second assembly region 212, a third assembly region 213, a fourth assembly region 214, a cover assembly region 215, and a bottom assembly region 216; the first assembly area 211 corresponds to the first side plate 131, the second assembly area 212 corresponds to the second side plate 132, the third assembly area 213 corresponds to the third side plate 133, the fourth assembly area 214 corresponds to the fourth side plate 134, the cover assembly area 215 corresponds to the cover 12 of the incubator, and the bottom assembly area 216 corresponds to the bottom 14 of the incubator; the heating wire 22 comprises a first heating zone 221, a second heating zone 222, a third heating zone 223, a fourth heating zone 224, a cover heating zone 225 and a bottom heating zone 226, which are communicated with each other; the first heating zone 221 is disposed in the first assembly zone 211, the second heating zone 222 is disposed in the second assembly zone 212, the third heating zone 223 is disposed in the third assembly zone 213, the fourth heating zone 224 is disposed in the fourth assembly zone 214, the lid heating zone 225 is disposed in the lid assembly zone 215, and the bottom heating zone 226 is disposed in the bottom assembly zone 216; each heating area of the heating wire 22 corresponds to each assembly area of the lining bottom sheet 21, and each assembly area of the lining bottom sheet 21 corresponds to each area of the heat-insulating layer jacket 1, so that the heating wire 22 is prevented from being damaged by stress when being folded and unfolded, 360-degree continuous heat insulation is realized, and the heat-insulating effect of the utility model is better.

In the present embodiment, the heating wire 22 is a low-temperature heating wire; the heating zones are arranged in series, the first heating zone 221 is connected with the cover heating zone 225 and the bottom heating zone 226, the second heating zone 222 is connected with the bottom heating zone 226 and the third heating zone 223, and the fourth heating zone 224 is connected with the third heating zone 223 and the cover heating zone 225; the heating wire 22 is a low-temperature heating wire, and the heating regions are arranged in series, so that the heating wire 22 can reach a certain temperature, the heating wire is safer, and the damage and even the danger of the damage to a human body caused by overhigh temperature can be avoided.

In the present embodiment, a control switch 5 and a power supply assembly 6 are included; the power supply assembly 6 comprises a charging plug 61 and a connecting wire 62, the control switch 5 is respectively connected with the charging plug 61 and the connecting wire 62, the connecting wire 62 passes through the second side plate 132 to be connected with the heating wire 22, and the second side plate 132 is provided with a threading hole 18 for the connecting wire 62 to pass through; the control switch 5 can also carry a movable power supply; the control switch 5 is provided with a movable power supply, so that the portable solar water heater can provide a heat preservation effect through the movable power supply, and is more convenient to carry, and a natural common movable power supply provides a limited heating effect and is only used for emergency under special conditions; when the portable charger is not carried, the power can be supplied through the charging plug 61 or the portable power source is charged, so that the portable charger is more flexible and changeable in use mode and convenient to use.

In the present embodiment, the connecting wire 62 includes a connecting wire positive electrode 63 and a connecting wire negative electrode 64, which are connected to the heating wire 22, and a wiring electrode including a wiring positive electrode 65 and a wiring negative electrode 66 is disposed on the heating wire 22; the positive wiring electrode 65 is arranged between the second heating area 222 and the bottom heating area 226 and connected with the positive wiring electrode 63; the negative electrode 66 is disposed in the fourth heating region 224 and the cap heating region 225, and is connected to the negative electrode 64; the connecting wire anode 63 and the connecting wire cathode 64 are also provided with pressing sheets 67 for limiting the positions of the connecting wire anode 63 and the connecting wire cathode 64, and the arrangement of the pressing sheets 67 ensures that the connecting wire anode 63 and the connecting wire cathode 64 are limited in position, so that the heat preservation effect is prevented from being limited due to the damage of the connecting wire anode 63 and the connecting wire cathode 64.

In some preferred modes, the control switch 5 and the connecting wire 62 are detachably connected, the connecting part 7 is arranged at one end of the charging plug 61 and the connecting wire 62, which is connected with the control switch 5, and the connecting port 8 is arranged at a position corresponding to the control switch 5, so that the whole body of the utility model is more convenient to detach and carry.

It should be noted that other technical solutions of the present invention are all the prior art, and therefore, are not described in detail.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. A foldable foot warmer is characterized by comprising an insulating layer coat and a heating layer lining; a lining accommodating space is arranged in the heat-insulating layer jacket, and the heating layer lining is detachably arranged in the lining accommodating space; a sealing zipper is arranged at the opening of the lining containing space to control the opening and closing of the lining containing space; the shape of heat preservation overcoat and zone of heating inside lining is unanimous, and both of them all can fold and expand to realize the assembly and draw in of insulation can through the mode of folding and expanding.

2. The foldable foot warmer of claim 1, wherein the insulation layer jacket comprises an insulation box cover, an insulation box side surface and an insulation box bottom surface, wherein the insulation box cover and the insulation box bottom surface are arranged at two ends of the insulation box side surface, and the insulation box side surface surrounds the insulation box cover and the insulation box bottom surface to form an inner space of the portable insulation box; each side edge, bottom edge and top edge of the bottom surface of the heat preservation box are connected with the bottom edge of the side surface of the heat preservation box; the bottom edge of the cover surface of the heat preservation box is connected with the top edge of the side surface of the heat preservation box, and the cover surface of the heat preservation box can be lifted and reset.

3. The foldable foot warmer of claim 2, wherein the heat insulation layer is sleeved with a T-shaped jacket, and the side of the heat insulation box comprises a first side plate, a second side plate, a third side plate and a fourth side plate; the first side plate, the second side plate, the third side plate, the fourth side plate, the cover surface of the heat insulation box and the bottom surface of the heat insulation box are all rectangular plate-shaped; the top edges of the first side plate, the second side plate, the third side plate and the fourth side plate are positioned on the same straight line, the bottom edges of the first side plate, the second side plate, the third side plate and the fourth side plate are positioned on the same straight line, and the side edges of the first side plate, the second side plate, the third side plate and the fourth side plate are parallel to each other;

4. The foldable foot warmer as claimed in claim 3, wherein an assembly zipper is further arranged on the outer jacket of the heat preservation layer, and the side face of the heat preservation box is connected with the bottom face of the heat preservation box through the assembly zipper; the assembling zipper comprises an assembling zipper body, a first assembling zipper tooth and a second assembling zipper tooth, the first assembling zipper tooth is arranged on the side edge of the fourth side plate far away from the third side plate, the bottom edge of the fourth side edge, the bottom edge of the third side plate and the bottom edge of the second side plate, the second assembling zipper tooth is arranged on the side edge of the bottom surface of the heat preservation box close to the first bend, the bottom edge of the bottom surface of the heat preservation box, the side edge of the bottom surface of the heat preservation box far away from the first bend and the side edge of the first side plate far away from the second side plate; the assembly zipper body is assembled on the first assembly zipper teeth and the second assembly zipper teeth.

5. The foldable foot warmer of claim 3, wherein the opening of the inner lining receiving space and the sealing zipper are disposed on the inner surface of the side of the incubator at an end near the top edge of the side of the incubator; openings of the lining containing space are formed in the first side plate, the second side plate, the third side plate and the fourth side plate; seal the zip fastener including sealing the zip fastener body, first seal sprocket and second and seal the sprocket, first seal the sprocket and the second seals the sprocket and corresponds each other to first seal the sprocket and set up in inside lining accommodation space open-ended upper end, the second seals the sprocket and sets up in inside lining accommodation space open-ended lower extreme, seals the zip fastener body assembly and seals on the sprocket at first seal sprocket and second.

6. The foldable foot warmer according to claim 3, wherein a cover plate is arranged at the top edge of the cover surface of the thermal insulation box, an adjusting bend is arranged between the cover plate and the cover surface of the thermal insulation box, and the cover surface of the thermal insulation box can be lifted and reset through the adjusting bend; when the cover surface of the incubator is reset, the cover plate is contacted with the outer surface of the third side plate; the inner surface of the cover plate is provided with a main buckling piece, and the outer surface of the third side plate is provided with an auxiliary buckling piece corresponding to the main buckling piece.

7. A foldable foot warmer according to claim 1 or 3, wherein the heating layer liner comprises a liner base sheet and a heating wire, the heating wire being disposed on the inner base sheet; the lining bottom plate comprises a first assembly area, a second assembly area, a third assembly area, a fourth assembly area, a cover assembly area and a bottom assembly area; the first assembly area corresponds to a first side plate, the second assembly area corresponds to a second side plate, the third assembly area corresponds to a third side plate, the fourth assembly area corresponds to a fourth side plate, the cover assembly area corresponds to a cover surface of the heat insulation box, and the bottom assembly area corresponds to a bottom surface of the heat insulation box; the heating wire comprises a first heating area, a second heating area, a third heating area, a fourth heating area, a cover surface heating area and a bottom surface heating area, and the heating areas are communicated with one another; the first heating area is arranged in the first assembly area, the second heating area is arranged in the second assembly area, the third heating area is arranged in the third assembly area, the fourth heating area is arranged in the fourth assembly area, the cover surface heating area is arranged in the cover surface assembly area, and the bottom surface heating area is arranged in the bottom surface assembly area.

8. The foldable foot warmer of claim 7, wherein the heating wire is a low temperature heating wire.

9. The foldable foot warmer of claim 7, wherein the heating zones are arranged in series, the first heating zone is connected to the top heating zone and the bottom heating zone, the second heating zone is connected to the bottom heating zone and the third heating zone, and the fourth heating zone is connected to the third heating zone and the top heating zone.

10. Foldable foot warmer according to claim 7, comprising a control switch and a power supply assembly; the power supply assembly comprises a charging plug and a connecting wire, the control switch is respectively connected with the charging plug and the connecting wire, and the connecting wire is also connected with the heating wire; the control switch also carries a movable power supply; the connecting wire comprises a connecting wire anode and a connecting wire cathode which are connected with the heating wire, and a wiring electrode is arranged on the heating wire and comprises a wiring positive electrode and a wiring negative electrode; the wiring positive electrode is arranged between the second heating area and the bottom surface heating area and is connected with the positive electrode of the connecting wire; the wiring negative electrode is arranged in the fourth heating area and the cover surface heating area and is connected with the negative electrode of the connecting wire; and the positive electrode of the connecting wire and the negative electrode of the connecting wire are also provided with pressing sheets for limiting the positions of the positive electrode and the negative electrode.