CN220436611U

CN220436611U - Warmer capable of being used as tea table

Info

Publication number: CN220436611U
Application number: CN202320936847.5U
Authority: CN
Inventors: 杨晓金; 程康康
Original assignee: Cixi City Jianhui Electrical Technology Co ltd
Current assignee: Cixi City Jianhui Electrical Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2024-02-02
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses a warmer capable of being used as a tea table, which comprises a heating host and a supporting leg assembly at the bottom of the heating host; the heating host comprises a host shell and a heating air flow generating device arranged in the host shell; the warm air flow generating device comprises a centrifugal fan and a heating module; the host shell comprises a chassis, a top cover and a peripheral side wall; the centrifugal fan is arranged on the upper surface of the chassis, and the chassis is correspondingly provided with an air inlet of the centrifugal fan; an air outlet is formed in the peripheral side wall, an air outlet fence capable of swinging is arranged at the air outlet, and a heating module is arranged at the inner side of the air outlet fence; the outer side of the peripheral side wall is provided with a metal net cover; the upper surface of the top cover is provided with a storage platform which can be used as a tea table; the multifunctional warmer has the advantages that a user can sit beside the warmer for heating, and meanwhile, articles are placed on the article placing platform to serve as a tea table, so that the multifunctional warmer is portable in movement and small in structure.

Description

Warmer capable of being used as tea table

Technical Field

The utility model relates to a household appliance capable of blowing warm air, in particular to a warmer capable of being used as a tea table, wherein the upper part of the warmer can be used as a placing platform and also can be used as a tea table, so that two purposes are achieved.

Background

As a heating appliance which is rapid, small and convenient to heat, the warmer is popular with people especially in southern cities without heating in winter. There are generally various types of wall-mounted heaters, desk-top heaters, floor-mounted heaters, and the like.

In order to make the best use of the heater, engineers continuously develop new, and design a multifunctional placement heater such as a tea table type heater, the multifunctional placement heater can be used as a tea table while providing warm air flow to raise the room temperature, and a user can sit beside the heater for heating while using a placement platform provided by the heater.

Through the retrieval to current design, for example, the multi-functional tea table of taking disinfection function of authority bulletin number CN206714429U, including base and panel, install heating device, walk-in and disinfection room between base and the panel, be provided with ultraviolet lamp and ozone generating device in the disinfection room, the heat heating that its heating device produced can be used for the heating, realizes the function of room heater.

The utility model provides a multifunctional tea table of intelligence house that bulletin number is CN206714432U, multifunctional tea table of intelligence house, including base subassembly and panel, install warm braw generating device and fridge body between base subassembly and the panel, warm braw generating device is including installing the warm braw box on base subassembly and installing the warm braw subassembly in the warm braw box, and warm braw generating device can produce the warm braw, realizes the function of room heater.

It can be seen that the existing design is basically to add a heating device under the tea table frame, so that the tea table is large and heavy, occupies limited living room space, is inconvenient to move to other rooms to replace heating places, and does not meet the actual requirements of light weight and miniaturization of modern household appliances.

Disclosure of Invention

Based on the problems of large volume and heavy weight of a tea table with a heating device in the prior art, the utility model provides a heater capable of being used as a tea table, creatively improves the heater under the frame of the heater, sets the height of the heater to be the height of the tea table, designs the top of the heater to be a storage platform capable of placing articles, and a user can easily move the heater to a proper room and position to be used as the tea table while heating.

The technical scheme adopted for solving the technical problems is as follows: the warmer capable of being used as a tea table comprises a heating host and a supporting leg assembly arranged at the bottom of the heating host;

the heating host comprises a host shell and a heating air flow generating device arranged in the host shell; the warm air flow generating device comprises a centrifugal fan and a heating module;

the host shell comprises a chassis, a top cover and a peripheral side wall between the chassis and the top cover; the centrifugal fan is arranged on the upper surface of the chassis, and the chassis is correspondingly provided with an air inlet of the centrifugal fan; the supporting leg component is arranged on the lower surface of the chassis;

an air outlet is formed in the peripheral side wall, an air outlet grating capable of swinging is arranged at the air outlet, and the heating module is arranged at the inner side of the air outlet grating; the air flow generated by the centrifugal fan is changed into warm air flow through the heating module and then is blown out through the air outlet; the air outlet grille can adjust the blowing direction of the warm air flow;

the outer side of the peripheral side wall is provided with a metal mesh cover;

the upper surface of the top cover is provided with a storage platform which can be used as a tea table.

The preferred technical scheme adopted by the utility model for solving the technical problems is as follows: the supporting leg assembly comprises three supporting legs, each supporting leg comprises a foot seat and a foot rod, and a thread structure is arranged between each foot seat and each foot rod to form detachable connection.

The preferred technical scheme adopted by the utility model for solving the technical problems is as follows: the foot seat comprises a first connecting part and a second connecting part, the first connecting part is connected with the lower surface of the chassis, and the second connecting part is connected with the foot rod;

the second connecting part is obliquely arranged relative to the first connecting part, so that after the foot rod is connected with the lower surface of the chassis through the foot seat, the foot rod is obliquely arranged from top to bottom and from inside to outside relative to the heating host.

The preferred technical scheme adopted by the utility model for solving the technical problems is as follows: the foot seats are connected with the lower surface of the chassis through a positioning connection structure;

the positioning connection structure comprises at least one positioning rib and at least one first fixing hole which are arranged at the top end of the foot seat, and a positioning hole which is arranged on the lower surface of the chassis and matched with the positioning rib and a second fixing hole which is matched with the first fixing hole;

the positioning ribs are embedded into the positioning holes, and the first fixing holes and the second fixing holes are correspondingly screwed and fixed so as to fix the footstand on the lower surface of the chassis.

The preferred technical scheme adopted by the utility model for solving the technical problems is as follows: the upper surface of the top cover comprises a storage area and a control area; the object placing area is provided with a plane which is sunken downwards so as to form an object placing platform; the control area is higher than the object placing platform and is provided with a touch key board for controlling the heating host.

The preferred technical scheme adopted by the utility model for solving the technical problems is as follows: the edge of the chassis is provided with an annular lamp belt.

The utility model solves the technical problems by adopting another technical scheme as follows: the warmer capable of being used as a tea table comprises a heating host and a supporting leg assembly arranged at the bottom of the heating host;

the heating host comprises a host shell and a heating air flow generating device arranged in the host shell; an air outlet for supplying heating air flow is formed in the side face of the main machine shell, and a storage platform capable of being used as a tea table is arranged at the top of the main machine shell; the supporting leg component is detachably connected to the bottom of the host shell;

the supporting leg assembly comprises a plurality of supporting legs, and each supporting leg comprises a leg seat and a leg rod; the foot seat comprises a first connecting part and a second connecting part, and the second connecting part is obliquely arranged relative to the first connecting part; when the foot seat is connected to the bottom of the main machine shell through the first connecting part, the second connecting part inclines from top to bottom to outside relative to the heating main machine.

The other technical scheme adopted by the utility model for solving the technical problems is preferably as follows: the warm air flow generating device comprises a centrifugal fan and a heating module;

the centrifugal fan is arranged in the main machine shell, and an air inlet of the centrifugal fan is correspondingly formed in the bottom of the main machine shell; the heating module is arranged at the air outlet, and air flow generated by the centrifugal fan is blown out through the air outlet after being changed into warm air flow through the heating module.

The other technical scheme adopted by the utility model for solving the technical problems is preferably as follows: the host shell is a flat cylinder; the air outlet is formed in the peripheral side wall of the oblate cylinder, and an air outlet fence capable of swinging left and right is vertically arranged to adjust the blowing direction of the warm air flow;

the outer side of the peripheral side wall of the oblate cylinder is provided with a metal net cover.

the heating host comprises a host shell and a heating air flow generating device arranged in the host shell;

the host shell comprises a chassis, a top cover and a peripheral side wall between the chassis and the top cover; an air outlet for supplying heating air flow is formed in the peripheral side wall, the heating air flow generating device is arranged on the upper surface of the chassis, and the supporting leg assembly is detachably connected to the lower surface of the chassis;

The other technical scheme adopted by the utility model for solving the technical problems is preferably as follows: the upper surface of the top cover comprises a storage area and a control area; the object placing area is provided with a plane which is sunken downwards so as to form an object placing platform; the control area is higher than the object placing platform and is provided with a touch key board for controlling the heating host;

the edge of the chassis is provided with an annular lamp belt.

the centrifugal fan is arranged on the upper surface of the chassis, and the chassis is correspondingly provided with an air inlet of the centrifugal fan; the air outlet is vertically provided with an air outlet grating which can swing, and the heating module is arranged on the inner side of the air outlet grating; the air flow generated by the centrifugal fan is changed into warm air flow through the heating module and then is blown out through the air outlet; the air outlet grille can adjust the blowing direction of the warm air flow.

The outer side of the peripheral side wall is provided with a metal net cover, and the metal net cover covers the air outlet.

The other technical scheme adopted by the utility model for solving the technical problems is preferably as follows: the supporting leg assembly comprises three supporting legs, and each supporting leg comprises a leg seat and a leg rod;

the base comprises a first connecting part and a second connecting part, and the first connecting part is connected with the lower surface of the chassis through a positioning connecting structure; the second connecting part is detachably connected with the foot rod;

the positioning connection structure comprises a positioning rib and a first fixing hole which are arranged at the top end of the first connection part, and a positioning hole which is arranged on the lower surface of the chassis and matched with the positioning rib and a second fixing hole which is matched with the first fixing hole;

the positioning ribs are embedded into the positioning holes, and the first fixing holes and the second fixing holes are correspondingly screwed and fixed so as to fix the footstand on the lower surface of the chassis;

Compared with the prior art, the utility model has the advantages that: through setting up the supporting leg subassembly in heating host computer bottom, with heating host computer lift to the height that can regard as tea table to use, set up simultaneously and put the thing platform at the upper surface of top cap to provide the room heater that can regard as tea table concurrently under the tea table mode of falling to the ground, the user can sit the next door and get warm, put article such as teacup, books, glasses etc. simultaneously on putting the thing platform.

Further, the supporting legs are arranged to be of detachable foot seats and foot rods, so that a warmer which can be used as a tea table in a tabletop placing mode is provided, and a heating host can be placed on a tabletop or on the ground.

Meanwhile, the warmer which can be used as a tea table in two modes is very light in moving, mode conversion is easy, and the specific requirements of users on conversion of different heating spaces and different use scenes can be met.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic view of a warmer capable of serving as a tea table in a floor tea table mode;

FIG. 2 is a schematic view of a usage scenario of the warmer, which can be used as a tea table, in a desktop placement mode;

FIG. 3 is an exploded view of a warmer that can double as a tea table;

FIG. 4 is a schematic diagram of a structure in which a warmer, which can also be used as a tea table, is separated from a metal mesh enclosure;

FIG. 5 is a schematic view of the structure of the bottom of the warmer that can also serve as a tea table;

FIG. 6 is a schematic view of the structure of the chassis of the warmer that can also be used as a tea table;

FIG. 7 is a schematic view of the structure of a foot stand of the warmer that can also be used as a tea table;

FIG. 8 is a cross-sectional view of a foot rest of the warmer that may double as a tea table;

FIG. 9 is a schematic diagram of a warmer that can double as a tea table;

fig. 10 is a schematic view of the structure of the foot bar of the warmer, which can also be used as a tea table.

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. While the terms "first" and "second" are used for descriptive purposes only and not for purposes of limitation, there is no other directional meaning.

Fig. 9 shows a warmer 100 capable of serving as a tea table according to this embodiment, which includes a heating host 101 and a supporting leg assembly 102 disposed at the bottom of the heating host 101.

As shown in fig. 3, the heating main unit 101 includes a main unit case 10 and a heating air flow generating device 20 installed in the main unit case 10, and the heating air flow generating device 20 includes a centrifugal fan 21 and a heating module 22.

In this embodiment, the main body case 10 is a flat cylinder, and includes a circular chassis 11 and a top cover 12, and a peripheral side wall 13 between the chassis 11 and the top cover 12. In use, the heating host 101 is generally placed in a posture in which the top cover 12 of the host housing 10 faces upward and the chassis 11 faces downward. The centrifugal fan 21 is mounted IN the main housing 10 and on the upper surface of the chassis 11, and as shown IN fig. 4 and 5, the chassis 11 is correspondingly provided with an air inlet IN of the centrifugal fan 21. The air outlet OUT is formed in the peripheral side wall 13 of the oblate cylinder.

As shown in fig. 3 and 4, the air outlet OUT is provided with a swingable air outlet grille M, and the heating module 22 is installed at the air outlet OUT and located inside the air outlet grille M. Accordingly, the centrifugal fan 21 sucks air from the air inlet IN at the bottom of the main body casing 10, and the generated air flow is warmed by the heating module 22 and then blown OUT from the side surface of the main body casing 10 through the air outlet OUT.

The swinging air outlet grille M can adjust the blowing direction of the warm air flow, for example, in the present embodiment, the air outlet grille M is vertically disposed at the air outlet OUT and can swing left and right, so that the blowing direction of the warm air flow can be continuously changed left and right. Of course, in other embodiments, the air outlet grille M may be laterally arranged and may swing up and down, so that the blowing direction of the warm air flow may be continuously changed up and down. However, based on the inventive concept of the warmer capable of being used as a tea table, the utility model aims to realize that a user can experience heating while sitting on the warmer and uses the upper surface of the warmer as a storage platform, so that the left-and-right swinging air outlet fence M provided by the embodiment can meet the requirements of actual use scenes.

As shown in fig. 9, the top of the main body housing 10, that is, the upper surface of the top cover 12 is provided with a placement platform F that can be used as a tea table, specifically, the upper surface of the top cover 12 includes a placement area 12a and a control area 12b, where the placement area 12a has a plane recessed downward to form the placement platform F, and the control area 12b is higher than the placement platform F, and is provided with a touch key board (not shown in the drawing) for controlling the heating main body 101, so that a user can control the start and stop of the heating main body 101, the temperature of the heating air flow, the swinging direction and mode of the air outlet grid M, and the like through the touch key board.

In this embodiment, the storage area 12a of the storage platform F is concavely disposed on the upper surface of the top cover 12, so that the objects placed on the storage platform F can be prevented from sliding off, and meanwhile, the control area 12b is higher than the storage platform F, so that the user can conveniently touch the touch key board. In addition, when a user places teacups, dishes and the like on the object placing platform F, liquid, food and the like in the teacups and the bowl pads are spilled out to easily damage the touch key board, at the moment, the concavely arranged object placing platform F can limit the liquid and the food within the range of the object placing platform F and is easy to clean, and the touch key board higher than the object placing platform F is not easy to wet and damage.

As shown in fig. 3, 4 and 9, the supporting leg assembly 102 is disposed at the bottom of the main body case 10, i.e., the lower surface of the chassis 11, and in particular, the supporting leg assembly 102 includes three supporting legs 30, each supporting leg 30 includes a leg seat 31 and a leg bar 32, the leg seat 31 is connected to the bottom of the main body case 10, and the leg bar 32 is detachably connected to the leg seat 31.

As shown in fig. 7, 8 and 10, the foot rest 31 includes a first connection portion 31a and a second connection portion 31b, the first connection portion 31a is connected to the lower surface of the chassis 11 through a positioning connection structure, an internal thread L1 is provided in the second connection portion 31b, and an external thread L2 is provided at the upper end of the foot lever 32, so that the foot lever 32 and the second connection portion 31b are detachably connected through a screw structure.

Meanwhile, in the present embodiment, the second connecting portion 31b is disposed obliquely with respect to the first connecting portion 31a, so that when the foot rest 31 is connected to the bottom of the main body housing 10 through the first connecting portion 31a, the second connecting portion 31b is inclined from top to bottom, from inside to outside, with respect to the central axis of the heating main body 101, and further, when the foot lever 32 is connected to the second connecting portion 31b so as to be connected to the foot rest 31, the foot lever 32 is inclined from top to bottom, from inside to outside, with respect to the central axis of the heating main body 101. This arrangement can make the supporting leg assembly 102 stably support the heating host 101, prevent the warmer 100 which can be used as a tea table from shaking to cause the articles placed on the placement platform F to fall or turn over, and simultaneously prevent the warmer 100 which can be used as a tea table from falling down and being broken.

As shown in fig. 6 and 7, the positioning connection structure includes a positioning rib D1 disposed at the top end of the foot rest 31, that is, at the center of the top end of the first connection portion 31a, three first fixing holes H1 disposed around the positioning rib D1, and a positioning hole D2 disposed at the lower surface of the chassis 11 and matched with the positioning rib D1, and three second fixing holes H2 matched with the first fixing holes H1. When the foot rest 31 is assembled on the lower surface of the chassis 11, the positioning ribs D1 are aligned with and embedded into the positioning holes D2, and the first fixing holes H1 and the second fixing holes H2 are correspondingly screwed and fixed by screws so as to fix the foot rest 31 on the lower surface of the chassis 11.

Of course, in other embodiments, a first fixing hole H1 and three positioning ribs D1 disposed around the first fixing hole H1 may be formed in the center of the top end of the foot stand 31, and three positioning holes D2 corresponding to the positioning ribs D1 and a second fixing hole H2 corresponding to the first fixing hole H1 may be disposed on the lower surface of the chassis 11.

In this embodiment, the positioning rib D1 located at the center of the top end of the first connecting portion 31a is matched with the positioning hole D2 on the lower surface of the chassis 11, so as to determine the installation position of the foot rest 31 relative to the chassis 11, so that three foot rest 31 can be installed at the bottom of the main body casing 10 in a central symmetry manner, and the fixed matching of the three first fixing holes H1 and the second fixing holes H2 can prevent the foot rest 31 from rotating circumferentially, so as to further ensure that the support leg assembly 102 stably supports the heating main body 101.

Thus, the warmer 100 provided in this embodiment and serving as a tea table has two modes of use, namely, a floor tea table mode as shown in fig. 1 and 9 and a table top placement mode as shown in fig. 2. In the mode of a floor tea table, three foot bars 32 are assembled and connected with foot seats 31, and a heating host 101 is placed on the floor through the three foot bars 32 to form a tea table, so that a user can sit aside for heating as shown in fig. 1, and meanwhile, articles such as teacups, books, glasses and the like are placed on the object placing platform. In the desktop placing mode, three foot bars 32 are detached from the foot bases 31, the heating host 101 is placed on the desktop or on the ground through the three foot bases 31 as shown in fig. 9, the heaters in the two modes are portable to move, mode conversion is easy, and specific requirements of users on conversion of different heating spaces and different use scenes can be met.

As shown in fig. 3 and 4, the outer side of the peripheral wall 13 of the main body casing 10 is provided with a metal mesh enclosure N, and the metal mesh enclosure N covers the air outlet OUT, so that the air outlet OUT is hidden in the metal mesh enclosure N, and therefore, dust can be prevented from entering the inside of the main body casing 10 to cause part aging, damage and circuit short circuit, the attractive appearance of the heating main body 101 can be ensured, and the mechanical strength of the main body casing 10 can be increased.

As shown in fig. 3 and 6, the annular light belt L is provided at the edge of the chassis 11, and a user can control the opening and closing of the annular light belt L by touching the key board on the upper surface of the top cover 12, so that the warmer 100, which can be used as a tea table, has functions of a reading lamp and an atmosphere lamp, and the user can sit at the side for heating, drinking tea and reading.

It should be noted that, in other embodiments, the main housing 10 may be other than a rectangular cylinder, for example, may be designed in a rectangular square shape, and the supporting legs 30 of the supporting leg assembly 102 may be increased to four and disposed at four corners of the bottom of the main housing 10.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

The warmer capable of being used as a tea table provided by the utility model is described above, and specific examples are applied to illustrate the principle and the implementation mode of the utility model, and the description of the examples is only used for helping to understand the utility model and the core idea. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. Warmer capable of being used as tea table, and is characterized in that: the heating device comprises a heating host and a supporting leg assembly arranged at the bottom of the heating host;

the host shell comprises a chassis, a top cover and a peripheral side wall between the chassis and the top cover; the centrifugal fan is arranged on the upper surface of the chassis, and the chassis is correspondingly provided with an air inlet of the centrifugal fan; the supporting leg component is detachably connected to the lower surface of the chassis;

the supporting leg assembly comprises three supporting legs, and each supporting leg comprises a leg seat and a leg rod; the foot seat comprises a first connecting part and a second connecting part, the first connecting part is connected with the lower surface of the chassis through a positioning connecting structure, and the second connecting part is detachably connected with the foot rod;

the outer side of the peripheral side wall is provided with a metal mesh cover;

2. The warmer doubling as a tea table according to claim 1, wherein: a thread structure is arranged between the foot seat and the foot rod to form detachable connection.

3. The warmer doubling as a tea table according to claim 2, wherein: the second connecting part is obliquely arranged relative to the first connecting part, so that after the foot rod is connected with the lower surface of the chassis through the foot seat, the foot rod is obliquely arranged from top to bottom and from inside to outside relative to the heating host.

4. The warmer doubling as a tea table according to claim 2, wherein: the foot seats are connected with the lower surface of the chassis through a positioning connection structure;

5. The warmer doubling as a tea table according to claim 1, wherein: the upper surface of the top cover comprises a storage area and a control area; the object placing area is provided with a plane which is sunken downwards so as to form an object placing platform; the control area is higher than the object placing platform and is provided with a touch key board for controlling the heating host.

6. The warmer doubling as a tea table according to claim 1, wherein: the edge of the chassis is provided with an annular lamp belt.

7. Warmer capable of being used as tea table, and is characterized in that: the heating device comprises a heating host and a supporting leg assembly arranged at the bottom of the heating host;

8. The warmer doubling as a tea table according to claim 7, wherein: the warm air flow generating device comprises a centrifugal fan and a heating module;

9. The warmer doubling as a tea table according to claim 7, wherein: the host shell is a flat cylinder; the air outlet is formed in the peripheral side wall of the oblate cylinder, and an air outlet fence capable of swinging left and right is vertically arranged to adjust the blowing direction of the warm air flow;

10. Warmer capable of being used as tea table, and is characterized in that: the heating device comprises a heating host and a supporting leg assembly arranged at the bottom of the heating host;

the supporting leg assembly comprises three supporting legs, and each supporting leg comprises a leg seat and a leg rod; the base comprises a first connecting part and a second connecting part, and the first connecting part is connected with the lower surface of the chassis through a positioning connecting structure; the second connecting part is obliquely arranged relative to the first connecting part;

11. The warmer doubling as a tea table according to claim 10, wherein: the upper surface of the top cover comprises a storage area and a control area; the object placing area is provided with a plane which is sunken downwards so as to form an object placing platform; the control area is higher than the object placing platform and is provided with a touch key board for controlling the heating host;

the edge of the chassis is provided with an annular lamp belt.

12. The warmer doubling as a tea table according to claim 10, wherein: the warm air flow generating device comprises a centrifugal fan and a heating module;

the centrifugal fan is arranged on the upper surface of the chassis, and the chassis is correspondingly provided with an air inlet of the centrifugal fan; the air outlet is vertically provided with an air outlet grating which can swing, and the heating module is arranged on the inner side of the air outlet grating; the air flow generated by the centrifugal fan is changed into warm air flow through the heating module and then is blown out through the air outlet; the air outlet grille can adjust the blowing direction of the warm air flow;

13. The warmer doubling as a tea table according to claim 11, wherein: the second connecting part is detachably connected with the foot rod; when the foot bars are connected with the lower surface of the chassis through the foot seats, the foot bars incline from top to bottom and from inside to outside relative to the heating host;