CN210220242U

CN210220242U - Wall-mounted furnace

Info

Publication number: CN210220242U
Application number: CN201920716227.4U
Authority: CN
Inventors: Qinghua Li; 李庆华
Original assignee: Hebei Shengqilai New Energy Technology Co Ltd
Current assignee: Hebei Shengqilai New Energy Technology Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-03-31
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a wall-mounted stove, which comprises an outer shell, an air box fixedly arranged in the outer shell, a combustion chamber fixedly arranged in the air box, a heat exchanger fixedly arranged in the combustion chamber and a fan used for ventilating the combustion chamber; connecting shafts are symmetrically and fixedly arranged on a lower panel of the outer shell and are connected with the side plates of the outer shell through easy-to-detach connecting pieces; the support frame side plate of the conveniently-disassembled connecting piece comprises a first side plate and a second side plate, the first side plate and the second side plate are opposite in position, and the first side plate and the second side plate are respectively and fixedly connected with a third side plate; the side wall of the first side plate is provided with a first limiting notch, the side wall of the third side plate is provided with a second limiting notch, and the second limiting notch is communicated with the first limiting notch; when the first side plate is connected with the shell side plate, the supporting plate is fixedly connected with the bottom of the lower panel, and the first side plate is fixedly connected with the shell side plate. The utility model discloses a hanging stove overall design is reasonable knot, and the dismouting is maintained conveniently.

Description

Wall-mounted furnace

Technical Field

The utility model belongs to the heating equipment field especially relates to a hanging stove.

Background

The wall-mounted boiler is called a gas wall-mounted heating boiler for short, is a water heater using natural gas as an energy source, has relatively strict requirements on each functional module of the wall-mounted boiler in the current relevant standards, and requires various safety protection measures such as anti-freezing protection, anti-dry heating protection, accidental flameout protection, over-temperature protection, water pump anti-blocking protection and the like (see GB 25034-2010). The existing product structure on the existing market mainly includes: 1. the combustion system is responsible for the safe and stable combustion of the fuel gas and the release of the chemical energy of the fuel gas, and comprises an air box, a combustion chamber, a combustor, a fan, a flue, a wind pressure difference pipe and a wind pressure difference switch. 2. The heat exchange system is responsible for heat exchange and improves water temperature and comprises a gas-water heat exchange device, a water-water heat exchange device, a main heat exchanger, a plate heat exchanger, a heating NTC (negative temperature coefficient) device and a limit temperature switch. 3. The waterway power and safety system is responsible for providing water flow power and maintaining the pipeline safety of the system: water pump, relief valve, expansion tank, water pressure difference switch, bypass valve. 4. An electric control system: the control panel and the display panel are responsible for coordinating the work of each system, setting working parameters and displaying the working state of the wall-hanging stove. 5. Other parts, water pressure gauge and water replenishing valve. For example, chinese patent 2017204890317, a wall-mounted furnace 2017110807190, is comprised of an air box fixed inside a housing, a combustion chamber fixed inside the air box, a burner fixed inside the combustion chamber, a fan for discharging combustion exhaust gas and supplying air into the combustion chamber, a water distribution pipe for supplying water to a heat exchanger inside the combustion chamber, and a gas distribution pipe for supplying air to the burner. The main functional modules of the wall-mounted boiler are concentrated in the outer shell, so that the design of the wall-mounted boiler meets the requirement of normal work of each module, and the wall-mounted boiler is compact in overall structure and convenient to install and overhaul.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a wall-mounted furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wall-mounted furnace comprises an outer shell, an air box fixedly arranged in the outer shell, a combustion chamber fixedly arranged in the air box, a heat exchanger fixedly arranged in the combustion chamber and a fan used for ventilating the combustion chamber; the heat exchanger is connected with a water distribution pipeline, and the combustor at the bottom of the combustion chamber is connected with the gas distribution pipeline; a pipeline distribution chamber is fixedly arranged below the air tank, and the butt joint parts of the gas distribution pipeline and the water distribution pipeline and the external pipeline are respectively positioned in the pipeline distribution chamber; the shell body comprises shell side plates which are symmetrically arranged and a shell front panel connected with the shell side plates, the shell front panel comprises an upper panel and a lower panel, the upper panel corresponds to the air box, and the lower panel corresponds to the pipeline branch chamber; an electrical box of the wall-mounted furnace is fixed in a mounting opening on the side wall of the lower panel; connecting shafts are symmetrically and fixedly arranged on the lower panel and are connected with the shell side plate through a detachable connecting piece; the convenient-to-dismount connecting piece comprises a supporting frame, a limiting notch formed in a side plate of the supporting frame and a supporting plate fixedly arranged on the side plate of the supporting frame; during assembly, the connecting shaft is connected with the corresponding limiting notch; the supporting frame side plates comprise a first side plate and a second side plate, the first side plate and the second side plate are opposite in position, and the first side plate and the second side plate are respectively fixedly connected with a third side plate; the side wall of the first side plate is provided with a first limiting notch, the side wall of the third side plate is provided with a second limiting notch, and the second limiting notch is communicated with the first limiting notch; the supporting plate is fixedly connected with the first side plate; when the first side plate is connected with the shell side plate, the supporting plate is fixedly connected with the bottom of the lower panel, and the first side plate is fixedly connected with the shell side plate.

Preferably, the shell side plate and the lower panel are respectively provided with a hem, when the lower panel is closed, the connecting shaft is connected with the first limiting notch, and the hem at the bottom of the lower panel is fixedly connected with the supporting plate through a locking piece; when the lower panel is opened, the locking piece is removed, the lower panel moves downwards along the first limiting notch, and the lower panel is turned over by taking the connecting shaft as the center until the lower panel abuts against the bottom of the wall-mounted furnace; when the lower panel is disassembled, the lower panel is moved until the connecting shaft corresponds to the second limiting notch, and the connecting shaft is moved out of the second limiting notch to facilitate the disassembly of the connecting piece.

Preferably, the first side plate and the second side plate are respectively perpendicular to the third side plate, and the side wall of the first side plate and the side wall of the support plate are respectively provided with a screw hole for connecting a locking screw; the shell side plate and the lower panel are respectively provided with a right-angle folded edge; when the portable detachable connector is connected, the bottom of the portable detachable connector abuts against the bottom right-angle folding edge of the shell side plate, the first side plate abuts against the front right-angle folding edge of the shell side plate and is fixedly connected with the front right-angle folding edge of the shell side plate through the locking piece, and the supporting plate is fixedly connected with the bottom right-angle folding edge of the lower panel through the locking piece.

Preferably, the expansion water tank of the wall-mounted furnace is fixedly arranged behind the outer shell; two stand columns are fixedly arranged at the rear of the outer shell, two cross beams are fixedly arranged between the two stand columns from top to bottom, grooves are respectively formed in one sides, facing the expansion water tank, of the two stand columns, and the edges of the expansion water tank respectively extend into the adjacent grooves. The lateral wall of crossbeam sets up and wants spacing through-hole, expansion tank's edge stretches into in the adjacent spacing through-hole.

Preferably, the front right-angle folded edge of the shell side plate corresponds to the support plate, and a position-giving opening for the support plate to extend out is formed in the front right-angle folded edge of the shell side plate.

Preferably, the shell side plates are respectively and fixedly connected with the upright columns positioned at the rear part of the wall-mounted boiler; the side part of the shell side plate is respectively and fixedly provided with a hook and an insertion sheet, and the side wall of the upright post is respectively provided with a hook hole and an insertion hole at the positions corresponding to the hook and the insertion sheet.

Preferably, the stand is a hollow stand formed by bending a thin wall, two opposite side walls of each stand are respectively and fixedly provided with a lap joint sheet, and two ends of the cross beam are respectively connected with the lap joint sheets at corresponding positions.

Preferably, the side wall of the upright post is fixedly provided with a positioning plate for preventing the air tank from transversely shaking, and the positioning plate is abutted against the side wall of the air tank during connection.

Preferably, the shell side plate is provided with a right-angle folded edge, the right-angle folded edge is provided with a hook hanging hole and an inserting hole, and the edge of the upper panel is provided with a hook and an inserting sheet corresponding to the hook hanging hole and the inserting hole.

Preferably, the side walls of the two upright posts are respectively provided with a hook opening, and when in use, the wall-mounted furnace is connected with a hook supporting beam fixedly arranged on a wall through the hook openings; the cover plates of the air box and the combustion chamber are respectively provided with anti-deformation ribs; the shell of the air box is provided with a heat insulation layer; the outer shell is provided with a window for observing the combustion state of the combustion chamber.

The utility model discloses a hanging stove overall design is reasonable knot, and the dismouting is maintained conveniently.

In addition, the whole structure is simple and compact, and the occupied space is favorably reduced.

Drawings

Fig. 1 is a schematic structural view (front view) of the present invention;

fig. 2 is a schematic structural view (side view) of the position relationship between the upright post and the outer shell of the present invention;

fig. 3 is a schematic structural view (top view) of the positional relationship among the outer case, the air tank and the column of the present invention;

fig. 4 is a schematic structural view (rear view) of the position of the expansion tank of the present invention;

FIG. 5 is a schematic structural view (axial view) of the easy-to-detach connector of the present invention;

fig. 6 is a schematic structural view of the positional relationship of the connecting shaft, the connecting plate and the lower panel of the present invention;

fig. 7 is a schematic structural view of the side plate of the housing of the present invention;

fig. 8 is a schematic structural diagram of the column of the present invention;

FIG. 9 is a schematic structural view of the position relationship between the hooking hole and the inserting hole of the present invention;

fig. 10 is a schematic structural view of the positional relationship between the shell side plate, the lower panel and the variable-release connecting member when the lower panel of the present invention is closed (wherein the shell side plate and the lower panel are partially omitted for clarity);

fig. 11 is a schematic structural view of the position relationship among the lower panel, the shell side plate and the easy-to-detach connecting member when the lower panel of the present invention is opened (wherein the shell side plate and the lower panel are partially omitted for clarity);

FIG. 12 is a schematic structural view of the air box of the present invention;

FIG. 13 is a schematic view of the structure of the cover plate of the combustion chamber of the present invention;

fig. 14 is a schematic structural view showing a positional relationship between the easy-to-detach connector and the connecting shaft when the lower panel of the present invention is closed (a dotted line is a perspective portion);

in the drawing, 1 outer shell, 2 outer shell side plates, 3 upper part panel, 4 lower part panel, 5 mounting ports, 6 connecting shafts, 7 detachable connectors, 8 first side plates, 9 second side plates, 10 third side plates, 11 first limit notch, 12 second limit notch, 13 screw holes, 14 supporting plates, 15 upright posts, 16 cross beams, 17 grooves, 18 limit through ports, 19 right-angle folded edges, 20 convex edges, 21 hooks, 22 insertion pieces, 23 hook holes, 24 insertion holes, 25 locking screws, 26 overlapping pieces, 27 positioning plates, 28 air boxes, 29 combustion chambers, 30 heat exchangers, 31 pipeline distribution chambers, 32 expansion water tanks, 33 electrical boxes, 34 windows, 35 flue gas pipes, 36 hook ports, 37 expansion water tank edges, 38 bottom plates, 39 fans and 40 connecting plates.

Detailed Description

The following examples, given in conjunction with fig. 1-14, further illustrate the embodiments of the present invention. The present invention is not limited to the description of the following embodiments.

Example 1

As shown in fig. 1-14, the present embodiment discloses a wall-hanging stove, which is a water heater using natural gas as energy.

Specifically, the method comprises the following steps: the air-conditioning system comprises an outer shell 1, an air box 28 fixedly arranged in the outer shell 1, a combustion chamber 29 fixedly arranged in the air box 28, a heat exchanger 30 fixedly arranged in the combustion chamber 29 and a fan 39 for ventilating the combustion chamber 29. Further, a burner is fixedly arranged at the bottom of the combustion chamber 29. The heat exchanger 30 is connected to the water distribution line and the burner at the bottom of the combustion chamber 29 is connected to the gas distribution line. A pipeline distribution chamber 31 is fixedly arranged below the air tank 28, and the gas distribution pipeline and the butt joint part of the water distribution pipeline and the external pipeline are respectively positioned in the pipeline distribution chamber 31. When in use, natural gas enters the combustion chamber 29 through the water distribution pipeline, external air enters the air tank 28 and enters the combustion chamber 29 through the fan 39 (the fan 39 is communicated with the flue gas pipe 35 at the top of the wall-hanging stove), the igniter of the combustor ignites, heat generated by combustion heats cold water in the heat exchanger 30, and the water distribution pipeline is communicated with the expansion water tank 32 of the wall-hanging stove.

Preferably, the outer shell 1 includes shell side plates 2 symmetrically arranged and a shell front panel connected to the shell side plates 2, the shell front panel includes an upper surface too 3 and a lower panel 4, the upper surface too 3 corresponds to the air box 28, and the lower panel 4 corresponds to the pipeline distribution chamber. The split type front panel is independently overhauled at the upper part and the lower part in the overhauling and maintaining process, so that mutual interference is prevented.

An electric box 33 (electric control box) of the wall-hanging stove is fixed in the mounting opening 5 of the lower side wall plate. The lower panel 4 is symmetrically and fixedly provided with connecting shafts 6, and the connecting shafts 6 are connected with the shell side plates 2 through connecting pieces 7 which are easy to disassemble. Further, the electrical box 33 is clamped in the mounting opening 5. Further, the connecting shaft 6 is fixedly connected with the lower panel 4 through a connecting plate 40.

As shown in fig. 5, the easy-to-detach connector 7 preferably comprises a support frame, a limit notch formed on a side plate of the support frame, and a support plate 14 fixedly arranged on the side plate of the support frame; during assembly, the connecting shaft 6 is connected with the corresponding limiting notch;

the frame side plates of the supporting frame comprise a first side plate 8 and a second side plate 9, the first side plate 8 and the second side plate 9 are opposite in position, and the first side plate 8 and the second side plate 9 are respectively fixedly connected with a third side plate 10;

a first limiting notch 11 is formed in the side wall of the first side plate 8, a second limiting notch 12 is formed in the side wall of the third side plate 10, and the second limiting notch 12 is communicated with the first limiting notch 11; the supporting plate 14 is fixedly connected with the first side plate 8; when the connection is performed, the support plate 14 is fixedly connected with the bottom of the lower panel 4, and the first side plate 8 is fixedly connected with the shell side plate 2.

As shown in fig. 10-11, preferably, the shell side plate 2 and the lower panel 4 are respectively provided with a hem, when the lower panel 4 is closed, the connecting shaft 6 is connected with the first limiting notch 11, and the bottom hem of the lower panel 4 is fixedly connected with the supporting plate 14 through a locking piece; when the lower panel 4 is opened, the locking piece is removed, the lower panel 4 moves downwards along the first limiting notch 11, the lower panel 4 is turned over by taking the connecting shaft 6 as the center until the lower panel 4 abuts against the bottom of the wall-mounted furnace; when the lower panel 4 is disassembled, the lower panel 4 is moved until the connecting shaft 6 corresponds to the position of the second limit notch 12, and the connecting shaft 6 is moved out of the second limit notch 12 to conveniently disassemble the connecting piece 7. The lower panel 4 has mainly three positions during use, 1. normal use, the lower panel 4 is closed. 2. And (4) overhauling, opening the lower panel (4), and directly overhauling at the machine position without disassembling the electric control box of the wall-mounted furnace. 3. To repair or replace the component, the lower panel 4 needs to be removed to avoid interference with the mounting operation.

Preferably, the first side plate 8 and the second side plate 9 are respectively perpendicular to the third side plate 10, and the side wall of the first side plate 8 and the side wall of the support plate 14 are respectively provided with a screw hole 13 for connecting a locking screw; the shell side plate 2 and the lower panel 4 are respectively provided with a right-angle folded edge 19. When connecting (lower part panel 4 is closed), just, the bottom of tearing connecting piece 7 open leans on with the bottom right angle hem 19 of shell curb plate 2, first curb plate 8 leans on and passes through retaining member fixed connection with the anterior right angle hem 19 of shell curb plate 2, the bottom right angle hem 19 of backup pad 14 and lower part panel 4 passes through retaining member fixed connection. Furthermore, the front right-angle folded edge 19 of the shell side plate 2 is provided with a yielding opening for extending the support plate 14 at a position corresponding to the support plate 14. Just, tear connecting piece 7 open and be used for linking up connecting axle 6 and shell body 1, when stable, the yielding of portion is connected, realizes easy access, the dismouting is convenient. Further, the locking member is given a locking screw 25 in this embodiment.

As shown in fig. 4, an expansion tank 32 of the wall-hanging stove is fixedly provided behind the outer case 1. Two upright posts 15 are fixedly arranged at the rear of the outer shell 1, two cross beams 16 are fixedly arranged between the two upright posts 15 from top to bottom, grooves 17 are respectively formed in one sides, facing the expansion water tank 32, of the two upright posts 15, and the edges of the expansion water tank 32 respectively extend into the adjacent grooves 17. The side walls of the cross member 16 are provided with limiting openings 18, and the edges of the expansion tank 32 project into the adjacent limiting openings 18. In this embodiment, the expansion tank 32 of the wall-hanging stove is located behind the whole wall-hanging stove, and is more concise in structural planning, and the occupied space is relatively small, so that the whole structure is more compact by fully utilizing the space between the upright posts 15. In addition, it has been found that the expansion tank 32 is reasonably positioned behind the air tank 28 to further protect the air tank 28 from damage due to accidental rear impact with the air tank 28.

As shown in fig. 8-9, preferably, the lateral shell plates 2 are fixedly connected with the upright posts 15 at the rear part of the wall-hanging stove respectively; the side part of the shell side plate 2 is respectively and fixedly provided with a hook 21 and an insertion sheet 22, and the side wall of the upright post 15 is respectively provided with a hook hole 23 and an insertion hole 24 at the positions corresponding to the hook 21 and the insertion sheet 22. Further, in the process of disassembling and assembling the outer shell 1, the outer shell side plates 2 are firstly fixed on the upright posts 15 through hook and plug structures, and then are locked and fixed through the locking screws 25.

Furthermore, the upright posts 15 are hollow upright posts 15 formed by bending thin walls, two opposite side walls of each upright post 15 are respectively and fixedly provided with a lap joint 26, and two ends of the cross beam 16 are respectively connected with the lap joint 26 at the corresponding position. The cross member 16 serves, on the one hand, to support the expansion tank 32 and, on the other hand, to reinforce the two uprights 15 of the vehicle against relative displacement and deformation. Further, the outer shell of the air box 28 is provided with an insulating layer.

Preferably, a positioning plate 27 for preventing the air tank 28 from laterally swinging is fixedly arranged on the side wall of the upright post 15, and when the air tank is connected, the positioning plate 27 is abutted against the side wall of the air tank 28.

Preferably, the overlapping plate 26 and the positioning plate 27 are respectively formed by bending the body wall structure of the upright post 15 without installing additional fittings.

Preferably, the shell side plate 2 is provided with a right-angle folded edge 19, the right-angle folded edge 19 is provided with a hook hole 23 and an insertion hole 24, and the edge of the upper surface, which cannot be the upper surface 3, is provided with a hook 21 and an insertion piece 22 corresponding to the hook hole 23 and the insertion hole 24. Further, the bottom edge of the upper surface "can not 3" is provided with a plugging hole 24, the top of the lower panel 4 is fixedly provided with a plugging sheet 22, and the plugging sheet 22 of the lower panel 4 is inserted into the corresponding plugging hole 24 when in connection. Further, the two shell side plates 2 are respectively and fixedly connected with two upright posts 15 positioned at the rear of the wall-mounted boiler, and the back plate of the air box 28 is fixedly connected with the two upright posts 15 through locking screws 25. Furthermore, the outer shell 1 of the wall-hanging stove is provided with a window 34 for observing the combustion state of the combustion chamber 29, namely, the window 34 for observing is arranged on the cover plate of the combustion chamber 29, the cover plate of the air box 28 and the outer shell respectively, and the internal combustion condition can be observed conveniently when the wall-hanging stove is used.

Preferably, the side walls of the two upright posts 15 are respectively provided with a hook opening 36, and when in use, the wall-mounted stove is connected with a hook support beam fixedly arranged on a wall through the hook opening 36; the cover plates of the air tank 28 and the combustion chamber 29 are respectively provided with deformation-preventing ribs 20. During normal use, the hanging stove can be at any time, and along with heating up, flame-out cooling in air box 28 and the combustion chamber 29, the flat apron is bloated and is shrivelled easily in this in-process to take place, not only sends the abnormal sound at the deformation in-process to its long-time repeated deformation is difficult for the lid sealed. In this embodiment, the orientation is based on the most common installation and placement convention of the wall-hanging stove, i.e. the flue pipe 35 is upward and the pipe distribution chamber 31 is located at the lower part.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A hanging stove which characterized in that: the air box is fixedly arranged in the outer shell, the combustion chamber is fixedly arranged in the air box, the heat exchanger is fixedly arranged in the combustion chamber, and the fan is used for ventilating the combustion chamber;

the heat exchanger is connected with a water distribution pipeline, and the combustor at the bottom of the combustion chamber is connected with a gas distribution pipeline;

a pipeline distribution chamber is fixedly arranged below the air tank, and the butt joint parts of the gas distribution pipeline and the water distribution pipeline and the external pipeline are respectively positioned in the pipeline distribution chamber;

the shell body comprises shell side plates which are symmetrically arranged and a shell front panel connected with the shell side plates, the shell front panel comprises an upper panel and a lower panel, the upper panel corresponds to the air box, and the lower panel corresponds to the pipeline branch chamber;

an electrical box of the wall-mounted furnace is fixed in a mounting opening on the side wall of the lower panel;

the lower panel is symmetrically and fixedly provided with connecting shafts, and the connecting shafts are connected with the shell side plates through connecting pieces convenient to disassemble;

the convenient-to-dismount connecting piece comprises a supporting frame, a limiting notch formed in a side plate of the supporting frame and a supporting plate fixedly arranged on the side plate of the supporting frame; during assembly, the connecting shaft is connected with the corresponding limiting notch;

the supporting frame side plates comprise a first side plate and a second side plate, the first side plate and the second side plate are opposite in position, and the first side plate and the second side plate are respectively fixedly connected with a third side plate;

the side wall of the first side plate is provided with a first limiting notch, the side wall of the third side plate is provided with a second limiting notch, and the second limiting notch is communicated with the first limiting notch; the supporting plate is fixedly connected with the first side plate; when the first side plate is connected with the shell side plate, the supporting plate is fixedly connected with the bottom of the lower panel, and the first side plate is fixedly connected with the shell side plate.

2. The wall hanging stove according to claim 1, characterized in that: the shell side plate and the lower panel are respectively provided with a hem, when the lower panel is closed, the connecting shaft is connected with the first limiting notch, and the hem at the bottom of the lower panel is fixedly connected with the supporting plate through a locking piece; when the lower panel is opened, the locking piece is removed, the lower panel moves downwards along the first limiting notch, and the lower panel is turned over by taking the connecting shaft as the center until the lower panel abuts against the bottom of the wall-mounted furnace; when the lower panel is disassembled, the lower panel is moved until the connecting shaft corresponds to the second limiting notch, and the connecting shaft is moved out of the second limiting notch to facilitate the disassembly of the connecting piece.

3. The wall hanging stove according to claim 1, characterized in that: the first side plate and the second side plate are respectively vertical to the third side plate, and the side wall of the first side plate and the side wall of the supporting plate are respectively provided with a screw hole for connecting a locking screw; the shell side plate and the lower panel are respectively provided with a right-angle folded edge;

when the portable detachable connector is connected, the bottom of the portable detachable connector abuts against the bottom right-angle folding edge of the shell side plate, the first side plate abuts against the front right-angle folding edge of the shell side plate and is fixedly connected with the front right-angle folding edge of the shell side plate through the locking piece, and the supporting plate is fixedly connected with the bottom right-angle folding edge of the lower panel through the locking piece.

4. The wall hanging stove according to claim 1, characterized in that: an expansion water tank of the wall-mounted furnace is fixedly arranged behind the outer shell;

two upright posts are fixedly arranged at the rear part of the outer shell, two cross beams are fixedly arranged between the two upright posts from top to bottom, grooves are respectively arranged on one sides of the two upright posts, which face the expansion water tank, and the edges of the expansion water tank respectively extend into the adjacent grooves; the lateral wall of crossbeam sets up and wants spacing through-hole, expansion tank's edge stretches into in the adjacent spacing through-hole.

5. The wall hanging stove according to claim 3, characterized in that: the front right-angle folded edge of the shell side plate corresponds to the support plate, and a position-giving opening for the support plate to extend out is formed in the position.

6. The wall hanging stove according to claim 1, characterized in that: the shell side plates are respectively and fixedly connected with the stand columns positioned at the rear part of the wall-mounted boiler;

the side part of the shell side plate is respectively and fixedly provided with a hook and an insertion sheet, and the side wall of the upright post is respectively provided with a hook hole and an insertion hole at the positions corresponding to the hook and the insertion sheet.

7. The wall hanging stove according to claim 4, characterized in that: the stand is the hollow stand of thin wall bending type, is provided with the overlap joint piece on two relative lateral walls of each stand respectively fixedly, the both ends of crossbeam link to each other with the overlap joint piece of corresponding position respectively.

8. The wall hanging stove according to claim 4, characterized in that: the side wall of the upright post is fixedly provided with a positioning plate for preventing the air tank from transversely shaking, and the positioning plate is abutted against the side wall of the air tank during connection.

9. The wall hanging stove according to claim 1, characterized in that: the shell side plate is provided with a right-angle folded edge, the right-angle folded edge is provided with a hook hanging hole and an inserting hole, and the edge of the upper panel is provided with a hook and an inserting sheet corresponding to the hook hanging hole and the inserting hole.

10. The wall hanging stove according to claim 4, characterized in that: the side walls of the two upright posts are respectively provided with a hook opening, and when the wall hanging stove is used, the wall hanging stove is connected with a hook supporting beam fixedly arranged on a wall through the hook openings; the cover plates of the air box and the combustion chamber are respectively provided with anti-deformation ribs; the shell of the air box is provided with a heat insulation layer; the outer shell is provided with a window for observing the combustion state of the combustion chamber.