Shell structure of condensation type gas heating water heater

Abstract

The shell structure comprises a front plate, a left side plate, a right side plate and a bottom shell, the bottom shell is composed of a top plate, a back plate and a bottom plate, the left side and the right side of the back plate are provided with first inserting portions protruding forwards, and the left side and the right side of the front plate are provided with second inserting portions protruding backwards. First insertion ports are formed in the rear sides of the left side plate and the right side plate, second insertion ports are formed in the front sides of the left side plate and the right side plate, the first insertion parts are inserted into the first insertion ports in a matched mode, the second insertion parts are inserted into the second insertion ports in a matched mode, and the upper end and the lower end of the front plate are fixedly connected with the top plate and the bottom plate through first screws respectively. The left side plate and the right side plate are assembled and fixed in an inserting mode, specifically, the left side plate and the right side plate are fixed through the back plate and the front plate, the number of screws needed for fixing the left side plate and the right side plate is at least reduced, and the assembling and splicing efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the outer shell structure of a condensing gas-fired heating and hot water boiler. Background Technology

[0002] A condensing gas-fired heating and hot water boiler is a type of boiler with powerful central heating capabilities, capable of meeting the heating needs of multiple rooms, and also providing hot water for bathing. Currently, the outer shell of a condensing gas-fired heating and hot water boiler on the market is composed of six panels: front, back, left, right, top, and bottom. The panels are fixed together with screws. Therefore, a large number of screws are required when assembling the outer shell of a condensing gas-fired heating and hot water boiler, resulting in slow assembly efficiency and excessive screw usage.

[0003] Therefore, it is necessary to make further improvements. Utility Model Content

[0004] The purpose of this invention is to overcome the above-mentioned problems. We provide a shell structure for a condensing gas-fired heating and hot water boiler. Using this shell structure can improve assembly efficiency and reduce the use of screws.

[0005] To achieve the above objectives, this utility model provides an outer shell structure for a condensing gas-fired heating and hot water boiler, which includes a front plate, a left side plate, a right side plate, and a bottom shell. The bottom shell is composed of a top plate, a back plate, and a bottom plate. The left and right sides of the back plate are provided with forward-protruding first insertion parts, and the left and right sides of the front plate are provided with rearward-protruding second insertion parts. The rear sides of the left and right side plates are provided with first insertion interfaces, and the front sides of the left and right side plates are provided with second insertion interfaces. The first insertion parts are engaged with the first insertion interfaces, and the second insertion parts are engaged with the second insertion interfaces. The upper and lower ends of the front plate are connected and fixed to the top plate and the bottom plate respectively by first screws.

[0006] In one or more embodiments, the front plate has first contact plates parallel to its left and right sides, and the front sides of the left and right side plates have second contact plates that fit against the first contact plates. The second insertion part is disposed on the first contact plate, and the second insertion interface is disposed on the second contact plate.

[0007] In one or more embodiments, the back plate has a third contact plate parallel to it on the left and right sides, and a fourth contact plate that fits against the third contact plate is provided on the rear side of the left and right side plates. The first insertion part is provided on the third contact plate, and the first insertion interface is provided on the fourth contact plate.

[0008] In one or more embodiments, the upper ends of the left and right side panels are provided with upper edgings that respectively wrap around the left and right sides of the top panel, the lower ends of the left and right side panels are provided with lower edgings that respectively wrap around the left and right sides of the bottom panel, and the upper and lower ends of the front panel are provided with front edgings that wrap around the front sides of the top and bottom panels.

[0009] In one or more embodiments, the front edges at both ends of the front panel are provided with mounting holes for the first screw to be connected.

[0010] In one or more embodiments, the rear side of the top plate and the rear side of the bottom plate are both connected and fixed to the back plate by a second screw.

[0011] Compared with the prior art, the advantages of this utility model are: the left and right side panels are assembled and fixed by plugging in, specifically by fixing through the back panel and the front panel, which saves at least the number of screws required to fix the left and right side panels and improves the assembly efficiency. Attached Figure Description

[0012] Figure 1 This is an exploded view of the outer shell of the condensing gas-fired heating and hot water boiler in this embodiment;

[0013] Figure 2 for Figure 1 A schematic diagram of the structure from another angle. Detailed Implementation

[0014] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0015] Please refer to Figure 1-2 This application provides a shell structure for a condensing gas-fired heating and hot water boiler, which includes a front plate 1, a left side plate 2, a right side plate 3, and a bottom shell. The bottom shell is composed of a top plate 4, a back plate 5, and a bottom plate 6. The left and right sides of the back plate 5 are provided with forward-protruding first insertion parts 7, and the left and right sides of the front plate 1 are provided with rearward-protruding second insertion parts 8. The rear sides of the left side plate 2 and the right side plate 3 are provided with first insertion interfaces 9, and the front sides of the left side plate 2 and the right side plate 3 are provided with second insertion interfaces 10. The first insertion parts 7 are engaged with the first insertion interfaces 9, and the second insertion parts 8 are engaged with the second insertion interfaces 10. The upper and lower ends of the front plate 1 are connected and fixed to the top plate 4 and the bottom plate 6 respectively by first screws. During assembly, first insert the first insertion interface on the left and right side panels into the first insertion part, then insert the second insertion parts on the left and right sides of the front panel into the second insertion interface, and then fix the upper and lower ends of the front panel to the top and bottom panels with the first screws to complete the assembly of the shell. The shell with this structure can save at least the number of screws used to fix the left and right side panels, thus improving assembly efficiency.

[0016] The front plate 1 has first contact plates 11 parallel to it on the left and right sides. The front sides of the left side plate 2 and the right side plate 3 have second contact plates 12 that fit with the first contact plates 11. The second insertion part 8 is provided on the first contact plate 11, and the second insertion interface 10 is provided on the second contact plate 12. The cooperation between the first contact plate and the second contact plate can improve the structural stability of the front plate after it is assembled with the left side plate and the right side plate.

[0017] The back plate 5 has a third contact plate 13 parallel to it on the left and right sides. The left side plate 2 and the right side plate 3 have a fourth contact plate 14 that fits with the third contact plate 13 on the rear side. The first insertion part 7 is located on the third contact plate 13, and the first insertion interface 9 is located on the fourth contact plate 14. The cooperation between the third contact plate and the fourth contact plate can improve the structural stability of the back plate after it is assembled with the left side plate and the right side plate.

[0018] The upper ends of the left side panel 2 and the right side panel 3 are provided with upper edging 15 that respectively wrap around the left and right sides of the top panel 4. The lower ends of the left side panel 2 and the right side panel 3 are provided with lower edging 15 that respectively wrap around the left and right sides of the bottom panel 6. The upper and lower ends of the front panel 1 are provided with front edging 16 that wrap around the front sides of the top panel 4 and the bottom panel 6. The upper edging, lower edging, and front edging can increase the contact area of ​​the front panel, left side panel, right side panel, top panel, and bottom panel during assembly, improve the stability of the structure after assembly, and protect the sharp edges of the top panel and bottom panel.

[0019] The front edge 16 at both ends of the front plate 1 is provided with mounting holes 17 for the first screw to be connected. After the first screw passes through the mounting hole, it is connected and fixed to the reserved holes in the top plate and bottom plate.

[0020] The rear side of the top plate 4 and the rear side of the bottom plate 6 are both connected and fixed to the back plate 5 by the second screw. The top plate and the bottom plate can also be formed by bending the upper and lower ends of the bottom plate.

[0021] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A shell structure for a condensing gas-fired heating and hot water boiler, characterized in that: The device includes a front plate (1), a left side plate (2), a right side plate (3), and a bottom shell. The bottom shell is composed of a top plate (4), a back plate (5), and a bottom plate (6). The back plate (5) has a first insert part (7) protruding forward on its left and right sides. The front plate (1) has a second insert part (8) protruding backward on its left and right sides. The left side plate (2) and the right side plate (3) have a first insertion interface (9) on their rear sides. The left side plate (2) and the right side plate (3) have a second insertion interface (10) on their front sides. The first insert part (7) is inserted into the first insertion interface (9), and the second insert part (8) is inserted into the second insertion interface (10). The upper and lower ends of the front plate (1) are connected and fixed to the top plate (4) and the bottom plate (6) respectively by first screws.

2. The outer shell structure of a condensing gas-fired heating and hot water boiler according to claim 1, characterized in that: The front plate (1) has first contact plates (11) parallel to it on the left and right sides. The front sides of the left side plate (2) and the right side plate (3) have second contact plates (12) that fit with the first contact plates (11). The second insertion part (8) is located on the first contact plate (11), and the second insertion interface (10) is located on the second contact plate (12).

3. The outer shell structure of a condensing gas-fired heating and hot water boiler according to claim 1, characterized in that: The back plate (5) has a third contact plate (13) parallel to it on the left and right sides. The left side plate (2) and the right side plate (3) have a fourth contact plate (14) that fits with the third contact plate (13) on the rear side. The first insertion part (7) is located on the third contact plate (13), and the first insertion interface (9) is located on the fourth contact plate (14).

4. The outer shell structure of a condensing gas-fired heating and hot water boiler according to claim 1, characterized in that: The upper ends of the left side plate (2) and the right side plate (3) are provided with upper edging (15) that wraps around the left and right sides of the top plate (4), respectively. The lower ends of the left side plate (2) and the right side plate (3) are provided with lower edging that wraps around the left and right sides of the bottom plate (6), respectively. The upper and lower ends of the front plate (1) are provided with front edging (16) that wraps around the front sides of the top plate (4) and the bottom plate (6).

5. The outer shell structure of a condensing gas-fired heating and hot water boiler according to claim 4, characterized in that: The front edge (16) at both ends of the front plate (1) is provided with mounting holes (17) for the first screw to be connected.

6. The outer shell structure of a condensing gas-fired heating and hot water boiler according to any one of claims 1-5, characterized in that: The rear side of the top plate (4) and the rear side of the bottom plate (6) are both connected and fixed to the back plate (5) by the second screw.

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