Wall-mounted gas stove with plate heat exchanger convenient to maintain and disassemble

Abstract

The utility model provides a fuel gas wall-hanging stove with a plate heat exchanger convenient to maintain and disassemble, and relates to the technical field of fuel gas wall-hanging stoves, the fuel gas wall-hanging stove comprises a machine shell, the plate heat exchanger is detachably arranged in the machine shell, and a first opening is formed in the lower surface of the machine shell; the area of the first opening is larger than the area defined by the outer contour of the plate heat exchanger from the overlook direction; during assembly and disassembly, the plate heat exchanger enters and exits the enclosure through the first opening; a water way assembly is arranged in the machine shell, and the plate heat exchanger is detachably connected to the water way assembly. The wall-mounted gas boiler has the advantages that the wall-mounted gas boiler is mounted on a wall, when the plate heat exchanger needs to be replaced, a user only needs to unscrew and remove screws so as to separate the plate heat exchanger from the water way assembly, then the user stretches the hand to the first opening, the plate heat exchanger can be taken out of the machine shell, the whole machine does not need to be dismounted, dismounting is fast, and the cost is low. And the plate heat exchanger is convenient to replace or maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of gas wall-mounted boilers, in particular to a gas wall-mounted boiler which is convenient for repairing and disassembling a plate heat exchanger. Background Art

[0002] Wall-mounted boiler is the abbreviation of gas wall-mounted boiler. Its full name is "gas wall-mounted heating boiler". It has powerful home central heating function. Each room can set a comfortable temperature according to needs, and can provide large-flow constant temperature sanitary hot water for use in family bathing and kitchen areas.

[0003] In the prior art, the technical scheme of the Chinese patent document (Announcement No.: CN204084820U, Patent Name: A Condensing Gas Wall-mounted Boiler) discloses "a shell, a main heat exchanger, a gas intake pipe, an air intake pipe, a fan assembly, a condensing device, a smoke exhaust pipe, an expansion water tank and a plate exchanger assembly arranged in the shell, the gas intake pipe is provided with a gas proportional valve, the air intake pipe and the gas intake pipe are connected to the premixer, the premixer is arranged at the inlet of the fan assembly, the main heat exchanger includes a furnace core and a water channel arranged on the outer wall of the furnace core in a spiral upward form, the fan assembly is connected to the top of the furnace core, the condensing device is arranged at the bottom of the furnace core, one end of the smoke exhaust pipe is connected to the condensing device, and the other end passes through the shell upward and is connected to the outside of the shell, and the plate exchanger assembly is connected to the water inlet and outlet of the water channel."

[0004] Combined with the description and drawings of the patent document, the main plate heat exchanger is arranged in the shell, and the fan assembly is connected to the top of the furnace core. Because the plate heat exchanger needs to be disassembled regularly for processing or replacement, the gas wall-mounted boiler must be disassembled for disassembly, and then the corresponding parts can be removed before the plate heat exchanger can be taken out for replacement or repair. The disassembly is not convenient enough. Utility Model Content

[0005] The utility model overcomes the shortcomings of the prior art, provides a gas wall-mounted boiler with a plate heat exchanger that is convenient for maintenance and disassembly, and can overcome the defects of the prior art mentioned in the background technology.

[0006] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0007] A gas wall-mounted boiler with a plate heat exchanger that is easy to repair and disassemble comprises a casing, in which the plate heat exchanger is detachably arranged, and a first opening is arranged on the lower surface of the casing; when viewed from above, the area of ​​the first opening is larger than the area surrounded by the outer contour of the plate heat exchanger; during assembly and disassembly, the plate heat exchanger enters and exits the casing through the first opening.

[0008] Furthermore, a water channel assembly is arranged in the casing, and the plate heat exchanger is detachably connected to the water channel assembly.

[0009] Furthermore, a first fixing cylinder is disposed at one end of the plate heat exchanger, and a second fixing cylinder is disposed at the other end of the plate heat exchanger.

[0010] Furthermore, the water channel assembly includes a water outlet valve and a water inlet valve, the water outlet valve is provided with a first fixing hole, the water inlet valve is provided with a second fixing hole, the first fixing cylinder corresponds to the first fixing hole, and the second fixing cylinder corresponds to the second fixing hole.

[0011] Furthermore, water outlet holes are arranged at both ends of the first fixing tube, and water inlet holes are arranged at both ends of the second fixing tube.

[0012] Furthermore, water outlet levels are arranged at both ends of the first fixing hole, and water inlet levels are arranged at both ends of the second fixing hole, the water outlet hole corresponds to the water outlet level, and the water inlet hole corresponds to the water inlet level.

[0013] Furthermore, a face cover is provided on the front side of the casing, a second opening is provided on the rear side of the casing, and the second opening is provided on the side of the plate heat exchanger.

[0014] Furthermore, a plurality of mounting tubes are arranged at the upper end of the casing, a first mounting plate is arranged at the lower end of the casing, and a plurality of second mounting holes are arranged on the first mounting plate.

[0015] Furthermore, a second mounting plate is provided at the upper end of the face cover, the second mounting plate is provided with a plurality of third mounting holes, a plurality of first mounting holes are provided at the lower end of the face cover, the mounting tube corresponds to the third mounting hole, and the second mounting hole corresponds to the first mounting hole.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The gas wall-mounted boiler is installed on the wall. When the plate heat exchanger needs to be replaced, the user only needs to loosen and remove the screws to separate the plate heat exchanger from the water channel assembly, and then reach his hand to the first opening to take the plate heat exchanger out of the casing. There is no need to disassemble the entire machine. The disassembly is quick and it is convenient to replace or repair the plate heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is the overall diagram of the gas wall-mounted boiler;

[0020] Figure 2 This is a view inside the casing;

[0021] Figure 3 It is a schematic diagram of water circuit components and plate heat exchanger;

[0022] Figure 4 It is a schematic diagram of a plate heat exchanger;

[0023] Figure 5 It is a schematic diagram of the water outlet valve;

[0024] Figure 6 It is a schematic diagram of the water inlet valve;

[0025] Figure 7 This is the installation cross-sectional view of the water outlet valve and the plate heat exchanger;

[0026] Figure 8 This is a diagram of the casing and the cover being separated;

[0027] Fig. 9 This is a schematic diagram of the cover.

[0028] In the figure: 1-casing, 101-first opening, 102-second opening, 103-mounting cylinder, 104-first mounting plate, 1041-second mounting hole, 2-water channel assembly, 201-water outlet valve, 2011-first fixing hole, 2012-water outlet level, 202-water inlet valve, 2021-second fixing hole, 2022-water inlet level, 3-plate heat exchanger, 301-first fixing cylinder, 302-second fixing cylinder, 303-water outlet hole, 304-water inlet hole, 4-face cover, 401-second mounting plate, 4011-third mounting hole, 402-first mounting hole. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0030] like Figure 1 to Figure 2 As shown, a gas wall-mounted boiler with a plate heat exchanger that is convenient for maintenance and disassembly includes a casing 1, in which a plate heat exchanger 3 is detachably arranged, and a first opening 101 is arranged on the lower surface of the casing 1; when viewed from a top view, the area of ​​the first opening 101 is larger than the area surrounded by the outer contour of the plate heat exchanger 3; during assembly and disassembly, the plate heat exchanger 3 enters and exits the casing 1 through the first opening 101, and the gas wall-mounted boiler is installed on the wall. When the plate heat exchanger needs to be replaced, it is only necessary to separate the plate heat exchanger 3 from the water channel assembly 2, and then take the plate heat exchanger 3 out of the casing 1 through the first opening 101, without disassembling the entire machine, which is convenient and quick.

[0031] Specifically, Figures 3 to 7As shown, a water circuit assembly 2 is provided in the housing 1, and a plate heat exchanger 3 is detachably connected to the water circuit assembly 2. A first fixing cylinder 301 is provided at one end of the plate heat exchanger 3, and a second fixing cylinder 302 is provided at the other end of the plate heat exchanger 3. The water circuit assembly 2 includes a water outlet valve 201 and a water inlet valve 202. The water outlet valve 201 is provided with a first fixing hole 2011, and the water inlet valve 202 is provided with a second fixing hole 2021. The first fixing cylinder 301 corresponds to the first fixing hole 2011, and the second fixing cylinder 302 corresponds to the second fixing hole 2021. Figure 7 As shown, when the water outlet valve 201 is installed with the plate heat exchanger, the first fixing cylinder 301 is plugged into the first fixing hole 2011. Similarly, when the water inlet valve 202 is installed with the plate heat exchanger, the second fixing cylinder 302 is plugged into the second fixing hole 2021, and both the first fixing cylinder 301 and the second fixing cylinder 302 are provided with internal threads. A screw is passed through the first fixing hole 2011 and threadedly connected to the first fixing cylinder 301 to fix one end of the plate heat exchanger 3 on the water outlet valve 201, and another screw is passed through the second fixing hole 2021 and threadedly connected to the second fixing cylinder 302 to fix the other end of the plate heat exchanger 3 on the water inlet valve 202, so that the plate heat exchanger 3 is fixedly connected to the water circuit assembly 2. When the plate heat exchanger 3 needs to be disassembled, the plate heat exchanger 3 can be disassembled by simply loosening and removing the screws.

[0032] Water outlet holes 303 are provided at both ends of the first fixed cylinder 301, and water inlet holes 304 are provided at both ends of the second fixed cylinder 302. Water outlet levels 2012 are provided at both ends of the first fixed hole 2011, and water inlet levels 2022 are provided at both ends of the second fixed hole 2021. The water outlet hole 303 corresponds to the water outlet level 2012, and the water inlet hole 304 corresponds to the water inlet level 2022. Water flows from the water inlet level 2022 through the water inlet hole 304 into the plate heat exchanger 3, and after heat exchange in the plate heat exchanger 3, it enters the water outlet valve 201 from the water outlet hole 303 through the water outlet level 2012 and flows out.

[0033] like Figures 8 to 9 As shown, a cover 4 is provided on the front side of the casing 1, and a second opening 102 is provided on the rear side of the casing 1. The second opening 102 is provided on the side of the plate heat exchanger 3. Figure 2 As shown, the first opening 101 is connected to the second opening 102 , making it more convenient for a user to put in and take out the plate heat exchanger 3 .

[0034] A plurality of mounting tubes 103 are provided at the upper end of the casing 1, a first mounting plate 104 is provided at the lower end of the casing 1, a plurality of second mounting holes 1041 are provided at the first mounting plate 104, a second mounting plate 401 is provided at the upper end of the surface cover 4, a plurality of third mounting holes 4011 are provided at the second mounting plate 401, a plurality of first mounting holes 402 are provided at the lower end of the surface cover 4, the mounting tubes 103 correspond to the third mounting holes 4011, and the second mounting holes 1041 correspond to the first mounting holes 402. When the surface cover 4 is installed on the casing 1, the mounting tube 103 is plugged into the third mounting hole 4011, and then bolts are used to pass through the first mounting hole 402 and the second mounting hole 1041, and finally nuts are used to fix the connection, thereby realizing the fixed connection between the surface cover 4 and the casing 1.

[0035] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gas wall-mounted boiler with a plate heat exchanger that is easy to repair and disassemble, characterized in that: The invention comprises a casing (1), wherein a plate heat exchanger (3) is detachably arranged in the casing (1), and a first opening (101) is arranged on the lower surface of the casing (1); when viewed from above, the area of ​​the first opening (101) is larger than the area surrounded by the outer contour of the plate heat exchanger (3); during assembly and disassembly, the plate heat exchanger (3) enters and exits the casing (1) via the first opening (101).

2. The gas wall-mounted boiler with a plate heat exchanger that is easy to maintain and disassemble according to claim 1 is characterized in that: A water channel assembly (2) is arranged in the casing (1), and the plate heat exchanger (3) is detachably connected to the water channel assembly (2).

3. The gas wall-mounted boiler with a plate heat exchanger that is easy to maintain and disassemble according to claim 2 is characterized in that: A first fixing cylinder (301) is provided at one end of the plate heat exchanger (3), and a second fixing cylinder (302) is provided at the other end of the plate heat exchanger (3).

4. The gas wall-mounted boiler with a plate heat exchanger that is easy to maintain and disassemble according to claim 3 is characterized in that: The water channel assembly (2) comprises a water outlet valve (201) and a water inlet valve (202); the water outlet valve (201) is provided with a first fixing hole (2011); the water inlet valve (202) is provided with a second fixing hole (2021); the first fixing cylinder (301) corresponds to the first fixing hole (2011); and the second fixing cylinder (302) corresponds to the second fixing hole (2021).

5. The gas wall-mounted boiler with a plate heat exchanger that is easy to maintain and disassemble according to claim 4 is characterized in that: Water outlet holes (303) are provided at both ends of the first fixed tube (301), and water inlet holes (304) are provided at both ends of the second fixed tube (302).

6. The gas wall-mounted boiler with a plate heat exchanger that is easy to maintain and disassemble according to claim 5 is characterized in that: Water outlet levels (2012) are arranged at both ends of the first fixing hole (2011), water inlet levels (2022) are arranged at both ends of the second fixing hole (2021), the water outlet hole (303) corresponds to the water outlet level (2012), and the water inlet hole (304) corresponds to the water inlet level (2022).

7. The gas wall-mounted boiler with a plate heat exchanger that is easy to maintain and disassemble according to claim 1 is characterized in that: The front side of the casing (1) is provided with a cover (4), the rear side of the casing (1) is provided with a second opening (102), and the second opening (102) is arranged on the side of the plate heat exchanger (3).

8. The gas wall-mounted boiler with a plate heat exchanger that is easy to maintain and disassemble according to claim 7 is characterized in that: The upper end of the casing (1) is provided with a plurality of mounting tubes (103), the lower end of the casing (1) is provided with a first mounting plate (104), and the first mounting plate (104) is provided with a plurality of second mounting holes (1041).

9. The gas wall-mounted boiler with a plate heat exchanger that is easy to maintain and disassemble according to claim 8 is characterized in that: The upper end of the face cover (4) is provided with a second mounting plate (401), the second mounting plate (401) is provided with a plurality of third mounting holes (4011), the lower end of the face cover (4) is provided with a plurality of first mounting holes (402), the mounting tube (103) corresponds to the third mounting hole (4011), and the second mounting hole (1041) corresponds to the first mounting hole (402).

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