CN109751654B - Heating device convenient to accomodate - Google Patents

Abstract

The invention discloses a heating device convenient to store, which comprises a base, a left heating plate, a right heating plate, left supporting legs and right supporting legs, wherein the base comprises a body, a first hinge shaft and a second hinge shaft; the left heating plate is provided with a first shaft sleeve and is hinged to the body through a first hinge shaft and the first shaft sleeve, the first hinge shaft and the first shaft sleeve are fixed through a first screw, and the right heating plate and the left heating plate have the same structure; the left heating plate and the right heating plate are respectively provided with a heating layer, the two sides of the heating layer are respectively provided with a heat conduction layer and a decoration layer in sequence, and the different heating layers are connected in parallel through wires; the left side landing leg and the right side landing leg are both hinged on the body. The invention can be folded and retracted when not in operation, so as to remarkably save the occupied space of the heating device; the invention can realize modularized assembly, and the equipment is very convenient to overhaul and replace; the invention is convenient to carry and can be used for various occasions indoors and outdoors.

Description

Heating device convenient to accomodate

Technical Field

The present invention relates to a heating apparatus, and more particularly, to a heating apparatus which is convenient to store.

Background

At present, geothermal heating is adopted in places such as rural areas or villages and towns where central heating is not needed and split heating is needed, but geothermal heating structures have the problems of complicated installation, large engineering quantity, high manufacturing cost and the like, and the geothermal heating structures are required to be laid under the ground, so that maintenance and replacement are very troublesome and large-area popularization and use are difficult; some places for separate heating adopt heating equipment such as electric heaters and electric boilers, however, for application occasions with smaller relative spaces such as bedrooms and toilets, the heating equipment needs to be moved from special storage places such as sundries and the like when the special heating equipment is not used, for example, when heating requirements are not met in non-heating seasons or heating seasons, the heating equipment needs to be moved back to the special storage places again, the heating equipment is repeatedly moved back, and the use process of a user is very inconvenient and the experience is poor.

Therefore, on the premise of ensuring that the heating equipment is convenient to overhaul and replace, how to effectively improve the use convenience of the heating equipment has become the key point of technical problems to be solved and constant research for the technicians in the field.

Disclosure of Invention

In order to solve the problems of inconvenient use, maintenance, inconvenient replacement and the like of the conventional heating equipment, the invention innovatively provides a heating device convenient to store, and the heating device can be folded and stored when the device is in an idle state such as a non-heating season or a heating season without heating requirements through a modular heating plate structure and an expandable and recyclable supporting leg structure which are sequentially hinged, so that the occupied space of the heating device is remarkably saved, for example, the heating device can be still placed in or near a working place after being folded in the working place such as a bedroom and the like, and the next use of a user is greatly facilitated.

In order to achieve the technical aim, the invention discloses a heating device convenient to store, which comprises a base, a left heating plate, a right heating plate, left supporting legs and right supporting legs, wherein the base comprises a strip-shaped platy body, a first hinge shaft fixed on the left side of the body and a second hinge shaft fixed on the right side of the body; the left heating plate is hinged to the body through the first hinge shaft and the first shaft sleeve, a first screw is connected to the first shaft sleeve in a threaded manner, and the rod part of the first screw penetrates through the outer wall of the first shaft sleeve, and the tail end of the rod part of the first screw is pressed against the outer side face of the first hinge shaft; the right heating plate is hinged to the body through the second hinge shaft and the second sleeve, a second screw is connected to the second sleeve in a threaded manner, and the rod part of the second screw penetrates through the outer wall of the second sleeve and the tail end of the second screw to be pressed against the outer side surface of the second hinge shaft; the left heating plate and the right heating plate are respectively provided with a heating layer, the two sides of the heating layer are respectively provided with a heat conduction layer and a decoration layer in sequence, and the different heating layers are connected in parallel through wires; the upper ends of the two left side supporting legs are respectively hinged to the front side and the rear side of the body through pin shafts, the upper ends of the two right side supporting legs are respectively hinged to the front side and the rear side of the body through pin shafts, the front side and the rear side of the body are outwards extended to form a first bulge and a second bulge, the first bulge is positioned on the left side of the upper end of the left side supporting leg, and the second bulge is positioned on the right side of the upper end of the right side supporting leg.

Based on the technical scheme, the heating device with the heating function is provided, and based on the heating plate and the supporting legs which are hinged with the body, the heating device can be used for unfolding the heating plate and the supporting legs when the heating device is not used, so that the purpose of saving the occupied space of the heating device is achieved, and the heating device is convenient to overhaul, so that the heating device well solves a plurality of problems in the prior art.

Further, the other side of the left heating plate is provided with a third hinge shaft; the heating device comprises a plurality of left heating plates, wherein the left heating plates are sequentially hinged with a first shaft sleeve through a third hinge shaft, first screws are connected to the first shaft sleeves in a threaded mode, and the rod parts of the first screws penetrate through the outer wall of the first shaft sleeve, and the tail ends of the first screws are abutted against the outer side face of the third hinge shaft.

Further, the other side of the right heating plate is provided with a fourth hinge shaft; the heating device comprises a plurality of right heating plates, the right heating plates are sequentially hinged through a fourth hinge shaft and a second sleeve, second screws are connected to the second sleeves in a threaded mode, and the rod portions of the second screws penetrate through the outer wall of the second sleeve, and the tail ends of the second screws are propped against the outer side face of the fourth hinge shaft.

Based on the improved technical scheme, the invention can expand and release heat when in use, and can adjust the expansion form and the postures of each heating part according to the heating range and the available space where equipment is placed.

Further, the left side supporting leg comprises a first supporting tube and a first movable tube which are arranged in an up-down relation, and the lower part of the first supporting tube is nested with the upper part of the first movable tube and is fixed through a third screw.

Further, the lower part of the first support tube is inserted into the upper part of the first movable tube, a plurality of first through holes are formed in the lower part of the first support tube, a plurality of second through holes which are arranged corresponding to the first through holes are formed in the upper part of the first movable tube, and the rod part of the third screw sequentially penetrates through the second through holes and the first through holes which are arranged corresponding to the first through holes; the lower end of the first movable tube is fixed with a first caster.

Further, the right side supporting leg comprises a second supporting tube and a second movable tube which are arranged in an up-down relation, and the lower part of the second supporting tube is nested with the upper part of the second movable tube and is fixed through a fourth screw.

Further, the lower part of the second support tube is inserted into the upper part of the second movable tube, a plurality of third through holes are formed in the lower part of the second support tube, a plurality of fourth through holes which are arranged corresponding to the third through holes are formed in the upper part of the second movable tube, and the rod part of the fourth screw sequentially penetrates through the fourth through holes and the third through holes which are arranged corresponding to the fourth through holes; the lower end of the second movable tube is fixed with a second foot wheel.

Based on the improved technical scheme, the height of the heating plate of the heating device can be reasonably adjusted, so that the height of the heating plate can be adjusted according to the needs of users, and various requirements of different occasions and different users can be met, and the heating device has a wider application range.

Further, the heating layer is connected with a patch plug through an electric wire, and the patch plug is provided with an inserting sheet and a first slot which are electrically connected with the electric wire and are matched with each other in structure; the body of the base is provided with a switching type socket, and the switching type socket is provided with a second slot with the same structure as the first slot and a power plug electrically connected with the second slot through an electric wire.

Based on the improved technical scheme, the invention not only optimizes the power supply circuit structure, but also can select the number of the actually-connected heating plates according to the required heat quantity so as to release proper heat according to the actual requirement of a user, and has the advantages of flexible and convenient use and the like.

Further, a storage bin is further formed in the body of the base, and at least one of a first screw, a second screw, a third screw and a fourth screw is placed in the storage bin; the end faces of the rod parts of the first screw, the second screw, the third screw and the fourth screw are all arc surfaces.

Based on the improved technical scheme, the problem that the screw is easy to lose can be avoided, and when the modularized assembly or disassembly is carried out, the storage bin on the body can be greatly convenient for a user to acquire or place the screw in real time, so that the user experience is excellent.

Further, the first hinge shaft and the second hinge shaft are both pipe bodies, the pipe bodies and the body are arranged in parallel in the front-back direction, and two ends of the pipe bodies are fixedly connected with the front end and the rear end of the body respectively; a first gap with the width larger than the thickness of the first shaft sleeve is formed between the first hinge shaft and the body, and a second gap with the width larger than the thickness of the second shaft sleeve is formed between the second hinge shaft and the body; the length of the first hinge shaft is greater than that of the first shaft sleeve, and the length of the second hinge shaft is greater than that of the second shaft sleeve.

Based on the improved technical scheme, the rotatable angle of the heating plate is remarkably improved, and the multiple structures of the invention are formed by processing the tube body, such as the hinge shaft, the supporting leg and the like, and the invention is easier to process and lower in cost by adopting the tubular structure.

The beneficial effects of the invention are as follows: based on the design of the folding structure, the invention provides the heating device with the changeable gesture, which can change the gesture of each heating surface so as to adjust the working state of the heating device according to the user requirement, and is further suitable for more application occasions.

The invention can realize modularized assembly, has very convenient equipment maintenance and replacement, light and handy equipment and convenient carrying, can be used for various occasions indoors and outdoors, can form different size specifications according to different use occasions, and can be combined with power supplies such as photovoltaic, wind power, emergency power supply, storage battery and the like to be used in places with heating requirements such as outdoor travel, outdoor exploration, frontier defense and the like; therefore, the invention has the outstanding advantages of simple and stable structure, low manufacturing cost, safety, environmental protection and the like.

Drawings

Fig. 1 is a schematic view of the rear side of a heating apparatus that facilitates storage.

Fig. 2 is a schematic view of the upper side of the heating device for easy storage.

Fig. 3 is a schematic structural view of the right side heating plate.

Fig. 4 is a structural composition diagram of a heating portion in the left/right side heating panel.

Fig. 5 is a schematic view of the structure of the rear side of the base.

Fig. 6 is a schematic view of the structure of the right leg.

Fig. 7 is a schematic structural diagram of a plurality of patch plugs connected in sequence.

Fig. 8 is a schematic view of an operating state of the heating apparatus for easy storage.

Fig. 9 is a schematic structural view of the stored heating apparatus.

In the drawing the view of the figure,

1. a base; 10. a body; 11. a first hinge shaft; 12. a second hinge shaft; 13. a first protrusion; 14. a second protrusion; 15. a second slot; 16. a power plug; 17. a storage bin; 101. a heat generating layer; 102. a heat conducting layer; 103. a decorative layer; 2. a left heating plate; 20. a first sleeve; 21. a first screw; 22. a third hinge shaft; 3. a right heating plate; 30. a second sleeve; 31. a second screw; 32. a fourth hinge shaft; 4. a left leg; 40. a first support tube; 41. a first movable tube; 42. a third screw; 5. a right leg; 50. a second support tube; 51. a second movable tube; 52. a fourth screw; 6. a first caster; 7. a second caster; 8. a patch plug; 80. inserting sheets; 81. a first slot.

Detailed Description

The present invention relates to a heating apparatus for facilitating storage, and more particularly, to a heating apparatus for facilitating storage of the heating apparatus.

As shown in fig. 1-9, the embodiment discloses a heating device convenient to store, which has the characteristics of convenience, economy, environmental protection and the like, and is suitable for rural split-type heating occasions; the heating device comprises a base 1, a left heating plate 2, a right heating plate 3, a left supporting leg 4 and a right supporting leg 5; as shown in fig. 5, the base 1 includes a bar-shaped plate-shaped body 10, a first hinge shaft 11 fixed to the left side of the body 10, and a second hinge shaft 12 fixed to the right side of the body 10, wherein the body 10 is understood as a main body portion of the base 1, and the body 10, the first hinge shaft 11, and the second hinge shaft 12 in this embodiment are integrally formed; the invention can fix through the first screw 21 when the first shaft sleeve 20 rotates to a desired position (determined according to the working posture of the heating device), specifically, the rod part of the first screw 21 passes through the outer wall of the first shaft sleeve 20, and the tail end of the rod part of the first screw 21 is propped against the outer side surface of the first hinge shaft 11, so that the first shaft sleeve 20 and the first hinge shaft 11 are fixed, and the relative position of the left heating plate 2 and the base 1 is fixed; the right heating plate 3 of the present embodiment may have the same structure as the left heating plate 2, specifically, one side of the right heating plate 3 has a second sleeve 30, the second hinge shaft 12 passes through the second sleeve 30, the right heating plate 3 is hinged on the body 10 through the second hinge shaft 12 and the second sleeve 30, the second sleeve 30 is connected with a second screw 31 in a threaded manner, and a rod portion of the second screw 31 passes through an outer wall of the second sleeve 30, and the end of the second screw abuts against an outer side surface of the second hinge shaft 12; as shown in fig. 3 and 4, the left heating plate 2 and the right heating plate 3 are respectively provided with a heating layer 101, the heating layers 101 are used for heating and radiating heat after being electrified, the two sides of the heating layers 101 are respectively provided with a heat conducting layer 102 and a decoration layer 103 in sequence, and the different heating layers 101 are connected in parallel through wires, namely all the heating layers 101 of the left heating plate 2 and the right heating plate 3 which are used are connected in parallel; in this embodiment, the heating layer 101 is made of carbon fiber heating wires, which are heating cores, and have the advantages of high strength, high temperature resistance, wear resistance, fatigue resistance, corrosion resistance, good electric conduction and heat conduction properties, and the like; the heat conducting layer 102 can be an aluminum plate, is a good conductor of heat, is uniformly heated, and has good mechanical strength and elasticity; the decorative layer is positioned outside the aluminum plate, plays roles in insulation reinforcement and decoration, can adopt a shutter and other structures, and can open the shutter structure when radiating heat. As shown in fig. 1, 2, 8 and 9, the left heating plate 2 and the right heating plate 3 are in a modularized structure and can be unified in specification, and the heating device comprises a plurality of left heating plates 2 which are hinged in sequence and a plurality of right heating plates 3 which are hinged in sequence; the other side of the left heating plate 2 is provided with a third hinge shaft 22, the heating device comprises a plurality of left heating plates 2, the plurality of left heating plates 2 are hinged in sequence through the third hinge shaft 22 and the first shaft sleeve 20, namely, the left heating plate arranged at the back is hinged with the third hinge shaft of the left heating plate arranged at the front through the shaft sleeve of the left heating plate except the body, the first shaft sleeves 20 are connected with first screws 21 in a threaded manner, the rod parts of the first screws 21 penetrate through the outer wall of the first shaft sleeve 20, and the tail ends of the first screws are pressed against the outer side surfaces of the third hinge shaft 22, so that the first shaft sleeve 20 and the third hinge shaft 22 are fixed, and the relative position of the left heating plate 2 and the base 1 is fixed; the other side of the right heating plate 3 is provided with a fourth hinge shaft 32, the heating device comprises a plurality of right heating plates 3, the right heating plates 3 are sequentially hinged through the fourth hinge shaft 32 and the second sleeves 30, the second sleeves 30 are in threaded connection with second screws 31, and the rod parts of the second screws 31 penetrate through the outer walls of the second sleeves 30, and the tail ends of the second screws 31 are propped against the outer side surfaces of the fourth hinge shafts 32; based on the one-by-one hinge structure, the invention can adjust the heating state according to actual needs, as shown in figures 1, 8 and 9, the invention can realize that any hinge shaft is taken as an axis to rotate the heat transfer plate, can adjust the heating gesture according to actual conditions, and is convenient for increasing or reducing the number of the heat transfer plates according to the actual heating needs; in specific implementation, the left heating plate 2 and the right heating plate 3 can be made into heating plates with uniform specifications, and a user can install the heating plates in a modular manner according to actual conditions.

The invention provides a floor heating device, wherein the upper ends of two left side supporting legs 4 are respectively hinged to the front side and the rear side of a body 10 through pin shafts, the upper ends of two right side supporting legs 5 are respectively hinged to the front side and the rear side of the body 10 through pin shafts, a first bulge 13 and a second bulge 14 for limiting are outwards extended from the front side and the rear side of the body 10, the first bulge 13 is positioned on the left side of the upper end of the left side supporting leg 4, the second bulge 14 is positioned on the right side of the upper end of the right side supporting leg 5, so that the expansion angles of four supporting legs are limited when the supporting legs are expanded, and further the base, a heating plate and the like which are used for supporting the upper parts through the four supporting legs are realized.

As shown in fig. 6, 8, 9, the left leg 4 includes a first support tube 40 and a first movable tube 41 disposed in an up-down relationship, a lower portion of the first support tube 40 being disposed in a nested relationship with an upper portion of the first movable tube 41 and being fixed by a third screw 42; more specifically, the lower portion of the first support tube 40 is inserted into the upper portion of the first movable tube 41, and of course, based on the disclosure of the present invention, the upper portion of the first movable tube 41 may be inserted into the lower portion of the first support tube 40, the lower portion of the first support tube 40 may be provided with a plurality of first through holes, the upper portion of the first movable tube 41 may be provided with a plurality of second through holes corresponding to the first through holes, and the rod portion of the third screw 42 may (sequentially) pass through the corresponding second through holes and first through holes; a first sheave 6 is fixed to the lower end of the first movable pipe 41. In this embodiment, two right side legs 5 are symmetrically arranged with two left side legs 4, and similar to the left side legs 4 in structure, the right side legs 5 comprise a second support tube 50 and a second movable tube 51 which are arranged in an up-down relationship, and the lower part of the second support tube 50 is nested with the upper part of the second movable tube 51 and is fixed by a fourth screw 52; specifically, the lower portion of the second support tube 50 is inserted into the upper portion of the second movable tube 51, and of course, based on the disclosure of the present invention, the upper portion of the second movable tube 51 may be inserted into the lower portion of the second support tube 50, the lower portion of the second support tube 50 is provided with a plurality of third through holes, the upper portion of the second movable tube 51 is provided with a plurality of fourth through holes corresponding to the third through holes, and the rod portion of the fourth screw 52 sequentially passes through the fourth through holes and the third through holes correspondingly arranged; a second caster 7 is fixed to the lower end of the second movable tube 51.

As shown in fig. 2 and 7, the heating layers 101 are connected with the patch plugs 8 through electric wires, each heating layer 101 corresponds to one patch plug 8, and each patch plug 8 is provided with a plug sheet 80 and a first slot 81 which are electrically connected with the electric wires and are matched in structure, namely, the plug sheet of one patch plug can be inserted into the first slot of the other patch plug; the body 10 of the base 1 may be provided with a patch socket, the patch socket has a second slot 15 and a power plug 16, specifically, the patch socket has a second slot 15 with the same structure as the first slot 81 and the power plug 16 electrically connected with the second slot 15 through a wire, and when in implementation, the power plug 16 is firstly connected with the input end of the transformer through a wire, and the output end of the transformer is connected with the first slot 81. After the modular installation is completed, the invention can conveniently adjust the heating capacity of the heating device according to the heating requirement condition, for example, after a period of heating, the indoor temperature is comfortable, high-power heating is not needed, and at the moment, one or more adapter plugs 8 can be pulled down to reduce the number of heating plates which continuously generate heat.

In order to facilitate modular installation, the first screw 21, the second screw 31, the third screw 42 and the fourth screw 52 may be of uniform specifications; as shown in fig. 2, the body 10 of the base 1 is further provided with a storage bin 17, and at least one of the first screw 21, the second screw 31, the third screw 42 and the fourth screw 52 is placed in the storage bin 17, so that the screws can be taken out during assembly and collected again during disassembly; the end faces of the first screw 21, the second screw 31, the third screw 42, and the fourth screw 52 are arc faces. Through the screw connection mode, the folding bicycle is convenient to assemble when in use and fold when not in use, and based on the characteristic of quick disassembly, the folding bicycle is convenient to carry and use on a long way, so that the application range of the folding bicycle is very wide.

As shown in fig. 1 and 2, the first hinge shaft 11 and the second hinge shaft 12 are all pipe bodies, the pipe bodies and the body 10 are arranged in parallel in the front-rear direction, two ends of each pipe body are fixedly connected with the front end and the rear end of the body 10 respectively, and in this embodiment, the body 10, the first hinge shaft 11 and the second hinge shaft 12 are in an integrated structure; the first gap with the width larger than the thickness of the first shaft sleeve 20 is arranged between the first hinge shaft 11 and the body 10, the second gap with the width larger than the thickness of the second shaft sleeve 30 is arranged between the second hinge shaft 12 and the body 10, the length of the first hinge shaft 11 is larger than the length of the first shaft sleeve 20, and the length of the second hinge shaft 12 is larger than the length of the second shaft sleeve 30, so that the left heating plate 2 and the right heating plate 3 can be widely adjusted in rotation angle, and the structure between the hinge shaft and the heating plate arranged on the other side of the left/right heating plate is the same as that of the body and the hinge shaft.

It will be appreciated that the width of the heating panels depicted in the drawings is relatively large in order to more clearly illustrate the structure of the product, and in fact, the heating panels actually produced in accordance with the present invention may be made very thin to facilitate storage and placement when the heating apparatus is not in use.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to the terms "present embodiment," "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

The above description is only of the preferred embodiments of the present invention, and is not intended to limit the invention, but any modifications, equivalents, and simple improvements made within the spirit of the present invention should be included in the scope of the present invention.

Claims (8)

1. Heating system convenient to accomodate, its characterized in that: the heating device comprises a base (1), a left heating plate (2), a right heating plate (3), a left supporting leg (4) and a right supporting leg (5), wherein the base (1) comprises a strip-shaped platy body (10), a first hinge shaft (11) fixed on the left side of the body (10) and a second hinge shaft (12) fixed on the right side of the body (10); one side of the left heating plate (2) is provided with a first shaft sleeve (20), the first hinge shaft (11) penetrates through the first shaft sleeve (20), the left heating plate (2) is hinged on the body (10) through the first hinge shaft (11) and the first shaft sleeve (20), a first screw (21) is connected to the first shaft sleeve (20) in a threaded mode, and the rod portion of the first screw (21) penetrates through the outer wall of the first shaft sleeve (20) and the tail end of the first screw is pressed against the outer side face of the first hinge shaft (11); one side of the right heating plate (3) is provided with a second sleeve (30), the second hinge shaft (12) penetrates through the second sleeve (30), the right heating plate (3) is hinged on the body (10) through the second hinge shaft (12) and the second sleeve (30), the second sleeve (30) is in threaded connection with a second screw (31), and the rod part of the second screw (31) penetrates through the outer wall of the second sleeve (30) and the tail end of the second screw is pressed against the outer side surface of the second hinge shaft (12); the left heating plate (2) and the right heating plate (3) are respectively provided with a heating layer (101), heat conduction layers (102) and decoration layers (103) are respectively arranged on two sides of the heating layers (101) in sequence, and different heating layers (101) are connected in parallel through wires; the upper ends of the two left side supporting legs (4) are respectively hinged to the front side and the rear side of the body (10) through pin shafts, the upper ends of the two right side supporting legs (5) are respectively hinged to the front side and the rear side of the body (10) through pin shafts, the front side and the rear side of the body (10) are outwards extended with a first bulge (13) and a second bulge (14), the first bulge (13) is positioned on the left side of the upper end of the left side supporting leg (4), and the second bulge (14) is positioned on the right side of the upper end of the right side supporting leg (5);

the other side of the left heating plate (2) is provided with a third hinge shaft (22); the heating device comprises a plurality of left heating plates (2), wherein the plurality of left heating plates (2) are sequentially hinged through a third hinging shaft (22) and first shaft sleeves (20), first screws (21) are connected to the first shaft sleeves (20) in a threaded mode, and the rod parts of the first screws (21) penetrate through the outer walls of the first shaft sleeves (20) and the tail ends of the first screws are pressed against the outer side faces of the third hinging shaft (22);

the other side of the right heating plate (3) is provided with a fourth hinge shaft (32); the heating device comprises a plurality of right heating plates (3), wherein the right heating plates (3) are sequentially hinged through a fourth hinge shaft (32) and a second shaft sleeve (30), second screws (31) are connected to the second shaft sleeves (30) in a threaded mode, and the rod portions of the second screws (31) penetrate through the outer wall of the second shaft sleeve (30) and the tail ends of the second screws are pressed against the outer side face of the fourth hinge shaft (32).

2. The easy-to-store heating apparatus according to claim 1, wherein: the left side supporting leg (4) comprises a first supporting tube (40) and a first movable tube (41) which are arranged in an up-down relation, and the lower part of the first supporting tube (40) is nested with the upper part of the first movable tube (41) and is fixed through a third screw (42).

3. The easy-to-store heating apparatus according to claim 2, wherein: the lower part of the first supporting tube (40) is inserted into the upper part of the first movable tube (41), a plurality of first through holes are formed in the lower part of the first supporting tube (40), a plurality of second through holes which are arranged corresponding to the first through holes are formed in the upper part of the first movable tube (41), and the rod part of the third screw (42) sequentially penetrates through the second through holes and the first through holes which are arranged corresponding to the first through holes; the lower end of the first movable tube (41) is fixed with a first caster (6).

4. A storage-facilitated heating apparatus according to claim 2 or 3, wherein: the right side supporting leg (5) comprises a second supporting tube (50) and a second movable tube (51) which are arranged in an up-down relation, and the lower part of the second supporting tube (50) is nested with the upper part of the second movable tube (51) and is fixed through a fourth screw (52).

5. The easy-to-store heating apparatus according to claim 4, wherein: the lower part of the second supporting tube (50) is inserted into the upper part of the second movable tube (51), a plurality of third through holes are formed in the lower part of the second supporting tube (50), a plurality of fourth through holes which are arranged corresponding to the third through holes are formed in the upper part of the second movable tube (51), and the rod part of the fourth screw (52) sequentially penetrates through the fourth through holes and the third through holes which are arranged corresponding to each other; a second caster (7) is fixed to the lower end of the second movable tube (51).

6. The easy-to-store heating apparatus according to claim 5, wherein: the heating layer (101) is connected with the patch plug (8) through an electric wire, and the patch plug (8) is provided with an inserting sheet (80) and a first inserting slot (81) which are electrically connected with the electric wire and are matched with each other in structure; the base (1) is provided with a switching socket on the body (10), and the switching socket is provided with a second slot (15) with the same structure as the first slot (81) and a power plug (16) electrically connected with the second slot (15) through an electric wire.

7. The easy-to-store heating apparatus according to claim 6, wherein: a storage bin (17) is further arranged on the body (10) of the base (1), and at least one of a first screw (21), a second screw (31), a third screw (42) and a fourth screw (52) is placed in the storage bin (17); the end faces of the rod parts of the first screw (21), the second screw (31), the third screw (42) and the fourth screw (52) are all arc surfaces.

8. The easy-to-store heating apparatus according to claim 1, wherein: the first hinge shaft (11) and the second hinge shaft (12) are all pipe bodies, the pipe bodies and the body (10) are arranged in parallel in the front-back direction, and two ends of the pipe bodies are fixedly connected with the front end and the rear end of the body (10) respectively; a first gap with a width larger than the thickness of the first shaft sleeve (20) is arranged between the first hinge shaft (11) and the body (10), and a second gap with a width larger than the thickness of the second shaft sleeve (30) is arranged between the second hinge shaft (12) and the body (10); the length of the first hinge shaft (11) is longer than that of the first shaft sleeve (20), and the length of the second hinge shaft (12) is longer than that of the second shaft sleeve (30).