An electrical chamber assembly and a water heater

Abstract

The utility model discloses an electric appliance chamber subassembly and water heater. Electric appliance chamber subassembly includes annular end cover and electric appliance chamber spare, and the annular bending edge of annular end cover includes the first ring edge and second ring edge who presents the angle connection, and the first ring edge surrounds and sets up to form the mounting hole, and electric appliance chamber spare is inserted with annular end cover and is matched, and the lateral wall structure of electric appliance chamber spare includes the insertion portion, the overlap portion and the material blocking rib portion who are connected in proper order along the insertion direction, and the insertion portion is inserted into the mounting hole, and the overlap portion is connected with the insertion portion and presents the angle, and one end of material blocking rib portion is connected with the overlap portion, and the other end extends and sets up to the direction of deviating from the insertion portion, and the first ring edge is in contact with the insertion portion, and the overlap portion overlaps on the second ring edge to form the bending material blocking structure. The bending material blocking structure formed by the electric appliance chamber subassembly forms the first heavy material blocking, and the material blocking rib portion of electric appliance chamber spare forms the second heavy material blocking, and the two heavy material blocking improves the anti -overflow material effect of electric appliance chamber subassembly, and reduces the probability of foaming material polluting electrical element.

Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, and in particular to an appliance assembly and a water heater. Background Technology

[0002] Water heaters are indispensable household appliances in daily life, providing hot water to meet the needs of kitchens and bathrooms. The electrical compartment of a water heater contains space for installing electrical components such as control panels, wiring terminals, and thermostats.

[0003] During the assembly of a water heater, foaming material needs to be filled into the foaming space formed by the inner tank, end cap, and outer shell. The electrical compartment is installed on the end cap of the water heater. Overflow can easily occur at the joint between the electrical compartment and the end cap. Since the foaming material is conductive, if it enters the space inside the electrical compartment and seeps into the circuit board, wiring terminals, or thermostat, it may cause short circuits, burn out components, or even cause a fire, seriously affecting the product quality of the water heater. Utility Model Content

[0004] One objective of this invention is to provide an electrical compartment assembly that has a good anti-overflow effect and can reduce the probability of foam material contaminating electrical components that need to be located inside the electrical compartment.

[0005] Another objective of this invention is to provide a water heater with a low overflow rate and good product quality.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] An electrical chamber assembly for a water heater includes: an annular end cap with an annular bent edge, the annular bent edge including a first annular edge and a second annular edge connected at an angle, the first annular edge forming a mounting hole; and an electrical chamber component that is inserted into the annular end cap. The sidewall structure of the electrical chamber component includes an insertion portion, an overlapping portion, and a retaining rib portion connected sequentially along the insertion direction. The insertion portion is inserted into the mounting hole, the overlapping portion is connected to the insertion portion at an angle, one end of the retaining rib portion is connected to the overlapping portion, and the other end extends away from the insertion portion. The first annular edge abuts against the insertion portion, and the overlapping portion overlaps the second annular edge to form a bent retaining structure.

[0008] Preferably, at least two material-stopping ribs are provided, and the at least two material-stopping ribs are spaced apart in the extension direction of the overlapping portion.

[0009] Preferably, the included angle between each of the retaining ribs and the overlapping portion is a right angle.

[0010] Preferably, the material-blocking heights of at least two of the material-blocking ribs are different, and the material-blocking heights of the overlapping portions decrease sequentially in the direction from the connection end of the overlapping portion and the insertion portion to the free end of the overlapping portion.

[0011] Preferably, the angle between the first ring edge and the second ring edge is a right angle, and the angle between the overlapping part and the insertion part is a right angle.

[0012] Preferably, the electrical compartment includes a base plate structure located inside the side wall structure, and the base plate structure is provided with at least one clearance hole for avoiding the end of the inner tank of the water heater.

[0013] Preferably, the base plate structure is provided with a filling port, and the electrical compartment assembly further includes a filling cover detachably connected to the filling port; and / or, the base plate structure is provided with a first mounting structure for mounting a thermostat; and / or, the base plate structure is provided with a second mounting structure for mounting a power board; and / or, the base plate structure is provided with a cable management structure, and the cable management structure is provided with a cable management groove.

[0014] Preferably, the electrical component further includes a tubular portion, which is integrated with the sidewall structure; two tubular portions are provided, one for the inlet pipe to pass through and the other for the outlet pipe to pass through; and / or, the tubular portion protrudes from the sidewall structure, the protruding end of the tubular portion is used to abut against the inner tank of the water heater, and an anti-overflow structure is provided at the abutment.

[0015] Preferably, the annular end cap and the electrical compartment assembly are snap-fitted together; and / or, the electrical compartment assembly further includes a maintenance cover, which is detachably mounted at the opening of the annular end cap.

[0016] A water heater includes a shell, an inner tank, and the aforementioned electrical compartment assembly, wherein the inner tank is disposed inside the shell, and the electrical compartment assembly is disposed at the open end of the shell.

[0017] The beneficial effects of this utility model are:

[0018] The electrical chamber assembly disclosed in this utility model is used in water heaters. The electrical chamber assembly includes an annular end cap and an electrical chamber component. The annular end cap includes an annular bent edge, which includes a first ring edge and a second ring edge connected at an angle. The first ring edge forms a mounting hole. The electrical chamber component is inserted into the annular end cap. The side wall structure of the electrical chamber component includes an insertion part, an overlapping part, and a baffle rib connected sequentially along the insertion direction. The insertion part is inserted into the mounting hole, and the overlapping part is connected to the insertion part at an angle. One end of the baffle rib is connected to the overlapping part, and the other end extends away from the insertion part. The first ring edge abuts against the insertion part, and the overlapping part overlaps the second ring edge to form a bent baffle structure. This bent baffle structure forms a first layer of baffle, and the baffle rib of the electrical chamber component forms a second layer of baffle. These two layers of baffle improve the anti-overflow effect of the electrical chamber assembly and reduce the probability of foam material contaminating electrical components that need to be located inside the electrical chamber component. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the electrical compartment assembly provided by this utility model;

[0020] Figure 2 This is a schematic diagram of the electrical compartment assembly provided by this utility model from another perspective;

[0021] Figure 3 This is an exploded view of the electrical compartment assembly provided by this utility model;

[0022] Figure 4 This is an assembly drawing of the annular end cap and electrical compartment components provided by this utility model;

[0023] Figure 5 yes Figure 4 Top view of the structure shown;

[0024] Figure 6 yes Figure 5 A cross-sectional view along the AA direction;

[0025] Figure 7 yes Figure 5 Cross-sectional view along the BB direction;

[0026] Figure 8 This is a schematic diagram of the maintenance cover provided by this utility model;

[0027] Figure 9 This is a cross-sectional view of the joint between the maintenance cover and the annular end cover provided by this utility model.

[0028] In the picture:

[0029] 100. Annular end cap; 110. Inner wall panel; 111. Annular bent edge; 1111. First annular edge; 1112. Second annular edge; 112. Third annular edge; 120. Annular end plate; 130. Outer wall panel; 140. Mounting hole; 150. Second buckle; 160. First locking protrusion;

[0030] 200. Electrical compartment component; 210. Side wall structure; 211. Insertion part; 212. Overlapping part; 213. Material retaining rib part; 220. Base plate structure; 221. Clearance hole; 222. Injection port; 223. First mounting structure; 224. Second mounting structure; 225. Cable management structure; 226. Tubular part; 227. Second locking protrusion; 228. Cable passage hole;

[0031] 300, maintenance cover; 301, first buckle; 302, through hole. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0033] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0036] This utility model discloses an electrical compartment assembly for use in water heaters, used to install electrical components such as circuit boards and thermostats. Figures 1 to 7 As shown, the electrical chamber assembly includes an annular end cap 100 and an electrical chamber component 200. The annular end cap 100 is a ring-shaped cap structure and includes an annular bent edge 111. The annular bent edge 111 includes a first annular edge 1111 and a second annular edge 1112 connected at an angle. The first annular edge 1111 surrounds and forms a mounting hole 140. The electrical chamber component 200 is inserted into the annular end cap 100. The electrical chamber component 200 has a side wall structure 210. Along the insertion direction between the electrical chamber component 200 and the annular end cap 100, the side wall structure 210 includes an insertion part 211, an overlapping part 212, and a retaining rib part 213 connected in sequence. The insertion part 211 is inserted into the mounting hole 140. The overlapping part 212 is connected to the insertion part 211 at an angle. One end of the retaining rib part 213 is connected to the overlapping part 212, and the other end extends in a direction away from the insertion part 211.

[0037] When assembling the electrical compartment assembly, the insertion part 211 of the electrical compartment component 200 is first inserted into the mounting hole 140 of the annular end cap 100. After a certain distance, the overlapping part 212 overlaps the second annular edge 1112, that is, the overlapping part 212 abuts against the second annular edge 1112, and the insertion part 211 of the electrical compartment component 200 abuts against the first annular edge 1111 of the annular end cap 100. Since the first annular edge 1111 and the second annular edge 1112 are at an angle, the abutting direction of the insertion part 211 and the first annular edge 1111 is different from the abutting direction of the overlapping part 212 and the second annular edge 1112. The abutting in both directions forms a bending retaining structure at the mating point of the electrical compartment component 200 and the annular end cap 100. When foaming material is filled into the water heater, there is a risk that the foaming material may overflow from the gap between the electrical chamber 200 and the annular end cap 100 (the direction of the foaming material entering the gap is shown by the arrow in 6). The bending baffle structure formed by the electrical chamber assembly can form the first layer of baffle, and the baffle rib 213 of the electrical chamber 200 forms the second layer of baffle. Even if the foaming material enters the gap between the electrical chamber 200 and the annular end cap 100, it needs to pass through the bending baffle structure and then the baffle rib 213 before overflowing. The two layers of baffle improve the overflow prevention effect of the electrical chamber assembly and reduce the probability of the foaming material contaminating the electrical components that need to be located in the electrical chamber 200.

[0038] Regarding the structure of the annular end cap 100, the annular end cap 100 includes an outer wall plate 130, an annular end plate 120, and an inner wall plate 110 connected in sequence. The outer wall plate 130 is connected to the outside of the annular end plate 120, and the inner wall plate 110 is connected to the inside of the annular end plate 120. The longitudinal section of the annular end cap 100 is approximately inverted "U" shaped. (Continue referring to...) Figure 3 As shown, the inner wall panel 110 includes a first ring edge 1111, a second ring edge 1112, and a third ring edge 112 connected in sequence. The third ring edge 112 and the first ring edge 1111 are connected to both ends of the second ring edge 1112 and extend in two directions respectively. The end of the third ring edge 112 away from the second ring edge 1112 is connected to the inner edge of the annular end plate 120. The outer wall panel 130 includes a fourth ring edge, a fifth ring edge, and a sixth ring edge connected in sequence. The end of the fourth ring edge away from the fifth ring edge is connected to the outer edge of the annular end plate 120. The fourth ring edge and the fifth ring edge are connected at an angle. The fifth ring edge is basically parallel to the annular end plate 120. The fifth ring edge and the sixth ring edge are connected at an angle. The annular end plate 120 is an annular plate. Optionally, the included angle between the third annular side 112 and the annular end plate 120 is a right angle, the second annular side 1112 is basically parallel to the annular end plate 120, the first annular side 1111 is basically parallel to the third annular side 112, and the included angle between the outer wall plate 130 and the annular end plate 120 is an obtuse angle.

[0039] Regarding the structure of electrical compartment component 200, please refer to... Figure 4As shown, the electrical compartment 200 also includes a base plate structure 220 located inside the side wall structure 210. The side wall structure 210 and the base plate structure 220 of the electrical compartment 200 enclose a cavity for installing electrical components. It should be noted that the electrical compartment 200 is generally located at one end of the water heater and installed at the open end of the water heater's outer casing. The electrical components installed in the electrical compartment 200 need to be electrically connected to the electrical control components located inside the water heater's inner tank. Therefore, at least one clearance hole 221 is provided on the base plate structure 220 to avoid the end of the water heater's inner tank. Optionally, the clearance hole 221 is a circular hole.

[0040] In some embodiments, the water heater has a single inner tank structure, that is, one inner tank is provided inside the outer shell, and correspondingly, one clearance hole 221 is provided; in other embodiments, the water heater has a double inner tank structure, that is, two inner tanks are provided inside the outer shell, and correspondingly, two clearance holes 221 are provided, with the two clearance holes 221 corresponding to the two inner tanks one by one.

[0041] To improve the material-blocking effect, in some embodiments, at least two material-blocking ribs 213 are provided, and the at least two material-blocking ribs 213 are spaced apart in the extending direction of the overlapping portion 212. This arrangement causes the bending material-blocking structure and the at least two material-blocking ribs 213 to form at least three layers of material blocking. The foamed material will only overflow after passing through the bending material-blocking structure and then the at least two material-blocking ribs 213. The at least three layers of material blocking further improve the anti-overflow effect of the electrical compartment assembly, thereby further reducing the probability of foamed material contaminating electrical components.

[0042] In some embodiments, the included angle between each retaining rib 213 and the overlapping portion 212 is a right angle. Further, the outermost retaining rib 213 is connected to the free end of the overlapping portion 212.

[0043] In some embodiments, at least two baffle ribs 213 have different baffle heights. From the connection end of the overlap portion 212 and the insertion portion 211 towards the free end of the overlap portion 212, the baffle height of the overlap portion 212 decreases sequentially. This arrangement facilitates manufacturing and allows a material-containing space to be formed between adjacent baffle ribs 213. The foamed material can only enter the material-containing space after passing over the outer baffle rib 213 with a lower baffle height. Only after the material-containing space is filled with foamed material does it need to pass over the inner baffle rib 213 with a higher baffle height. In a specific embodiment, such as... Figure 6 As shown, there are two retaining ribs 213.

[0044] In order to improve the material blocking effect of the bending material blocking structure, the bending material blocking structure is set as a right-angle material blocking structure. Specifically, the included angle between the first ring side 1111 and the second ring side 1112 is a right angle, the included angle between the overlapping part 212 and the insertion part 211 is a right angle, and the right-angled sides of the two right-angled structures cooperate to form a right-angle material blocking structure.

[0045] To facilitate the injection of foaming material into the foaming space formed by the water heater's outer shell, inner tank, and electrical compartment components, continue referring to... Figure 4 As shown, the base plate structure 220 is provided with a filling port 222, and the electrical chamber assembly also includes a filling cap (not shown) that is detachably connected to the filling port 222. Foaming material is injected into the foaming space through the filling port 222; after the filling is completed, the filling cap is installed on the filling port 222 to seal the filling port 222.

[0046] Optionally, the base plate structure 220 includes a first protrusion, which protrudes into the cavity of the electrical chamber 200 toward the side where the sidewall structure 210 is located, and the injection port 222 is located on the first protrusion. To ensure the lightweight of the electrical chamber 200, a first recess is also formed at the base plate structure 220, which is opposite to the first protrusion, thus ensuring that the thickness of the base plate structure 220 is uniform throughout.

[0047] Continue to refer to Figure 4 As shown, a first mounting structure 223 is provided on the base plate structure 220, which is used to mount a thermostat (not shown in the figure). Optionally, the first mounting structure 223 is provided on the first protrusion. Optionally, the first mounting structure 223 is a snap-fit ​​structure, which includes two opposing claws, and the thermostat is snapped between the two claws. Of course, in other embodiments, the first mounting structure 223 can also be a pressing structure or a connecting structure. The pressing structure is a pressure plate installed on the thermostat, and the connecting structure is a combination of a connector and a connecting hole. The connector passes through the connecting hole provided on the thermostat and the base plate structure 220 to fix the thermostat. To improve installation stability, at least two of the snap-fit ​​structure, pressing structure, and connecting structure can be combined.

[0048] Continue to refer to Figure 4 As shown, the base plate structure 220 is provided with a second mounting structure 224, which is used to mount the power board (not shown in the figure). Optionally, the second mounting structure 224 is a snap-fit ​​groove, in which the power board snaps into the snap-fit ​​groove. Of course, in other embodiments, the second mounting structure 224 can also be any one or a combination of two or more of the following: a claw, a pressing structure, or a connecting structure, depending on the requirements. Depending on the number of power boards, the second mounting structure 224 can be two, three, or more.

[0049] Furthermore, the base plate structure 220 includes a second protrusion, which protrudes into the cavity of the electrical compartment 200 toward the side where the side wall structure 210 is provided, and the second mounting structure 224 is provided on the second protrusion.

[0050] Continue to refer to Figure 4 As shown, the base plate structure 220 is equipped with a cable management structure 225, which has cable management grooves. The wires of the electrical components pass through the cable management grooves, making the wires arranged more neatly in the cavity. The cable management structure 225 is used to ensure the neatness of the wires in the cavity and avoid the increased difficulty of later maintenance due to messy wires.

[0051] Continue to refer to Figure 4 As shown, the electrical chamber 200 also includes a tubular portion 226, which is integrated with the side wall structure 210. The tubular portion 226 is used to allow an inlet pipe or an outlet pipe to pass through the electrical chamber 200, so that the inlet pipe and the outlet pipe can connect to the inner tank and extend to the outer shell.

[0052] In some embodiments, two tubular portions 226 are provided, one for a water inlet pipe to pass through and the other for a water outlet pipe to pass through. Optionally, the two tubular portions 226 are located at both ends of the electrical chamber 200 along its length.

[0053] In some embodiments, the tubular portion 226 is arranged side-by-side with the sidewall structure 210, one end of the tubular portion 226 is substantially flush with one end of the sidewall structure 210, and the other end of the tubular portion 226 protrudes beyond the other end of the sidewall structure 210. The protruding end of the tubular portion 226 is used to abut against the inner tank of the water heater, and an anti-overflow structure is provided at the abutment. This improves the installation stability of the electrical component 200. Optionally, the anti-overflow structure is a sponge strip adhered to the outer wall of the inner tank; of course, the sponge strip can also be provided on the protruding end of the tubular portion 226.

[0054] The side wall structure 210 of the electrical compartment component 200 is also provided with a through-hole 228 for the power board connection wire to pass through. Furthermore, to improve the neatness of the power cable, the base plate structure 220 includes a third protrusion with a through-hole groove, and a wire clamping plate is provided on the inner side of the side wall structure 210. The wire clamping plate is detachably installed at the opening of the through-hole groove by screws. After the power cable passes through the through-hole groove, the wire clamping plate is installed at the opening of the through-hole groove to clamp the power cable.

[0055] Furthermore, to improve the assembly stability of the annular end cap 100 and the electrical chamber 200, after the annular end cap 100 and the electrical chamber 200 are inserted and assembled, they are then snap-fitted together. In some embodiments, refer to... Figure 7As shown, a first locking protrusion 160 is provided on the outer wall plate 130 of the annular end cap 100, and a second locking protrusion 227 is provided on the outermost baffle rib 213 of the electrical chamber component 200. The second locking protrusion 227 is engaged below the first locking protrusion 160. Optionally, multiple second locking protrusions 227 and first locking protrusions 160 are provided, and they are engaged one-to-one. Furthermore, the annular end cap 100 and the electrical chamber component 200 can also be finally fixed by screws. A first connecting hole is provided on the overlapping portion 212 of the electrical chamber component 200, and a second connecting hole is provided on the second circumferential edge 1112 of the annular end cap 100. The screw passes through the first connecting hole and the second connecting hole to achieve screw connection.

[0056] like Figures 1-3 , Figure 8 As shown, the electrical compartment assembly also includes a maintenance cover 300, which is detachably mounted on the opening of the annular end cover 100. The maintenance cover 300 can close the cavity of the electrical compartment 200, and the electrical components inside the cavity can be repaired or replaced by removing the maintenance cover 300.

[0057] Optionally, such as Figure 9 As shown, the maintenance cover 300 is snapped together with the annular end cover 100. A first snap 301 is provided on the maintenance cover 300, and a second snap 150 is provided on the annular end cover 100. The first snap 301 moves under the second snap 150 by compression, thus achieving a snap-fit ​​connection. Alternatively, in other embodiments, the maintenance cover 300 and the annular end cover 100 can be detachably connected by screws. Optionally, multiple first snaps 301 are provided, spaced apart circumferentially along the maintenance cover 300. Correspondingly, multiple second snaps 150 are also provided, spaced apart circumferentially along the annular end cover 100, and each of the multiple first snaps 301 and multiple second snaps 150 is snapped together in a one-to-one manner.

[0058] Optionally, continue to refer to Figure 8 As shown, the maintenance cover 300 is also provided with a through hole 302, which is connected to the pipe hole of the tubular part 226, so that the water inlet pipe or water outlet pipe extends to the outside of the electrical compartment assembly after passing through the tubular part 226 and then through the through hole 302. Furthermore, there are two through holes 302, which are respectively provided at both ends of the maintenance cover 300 in the length direction and correspond one-to-one with the two tubular parts 226.

[0059] This utility model also discloses a water heater, which includes a shell, an inner tank, and the aforementioned electrical chamber assembly. The inner tank is disposed inside the shell, and the electrical chamber assembly is disposed at the open end of the shell. By using the aforementioned electrical chamber assembly, the risk of foam material leakage from the electrical chamber assembly is reduced, thereby improving the product quality of the water heater.

[0060] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An electrical compartment assembly, characterized in that, For use in a water heater, the electrical compartment assembly includes: An annular end cap (100) includes an annular bent edge (111), the annular bent edge (111) includes a first annular edge (1111) and a second annular edge (1112) connected at an included angle, the first annular edge (1111) surrounds and forms a mounting hole (140); An electrical chamber component (200) is inserted into the annular end cap (100). The side wall structure (210) of the electrical chamber component (200) includes an insertion part (211), an overlapping part (212), and a baffle part (213) connected sequentially along the insertion direction. The insertion part (211) is inserted into the mounting hole (140). The overlapping part (212) is connected to the insertion part (211) at an angle. One end of the baffle part (213) is connected to the overlapping part (212), and the other end extends away from the insertion part (211). The first ring edge (1111) abuts against the insertion part (211), and the overlapping part (212) overlaps on the second ring edge (1112) to form a bending and material-blocking structure.

2. The electrical compartment assembly according to claim 1, characterized in that, At least two of the material-blocking ribs (213) are provided, and at least two of the material-blocking ribs (213) are spaced apart in the extension direction of the overlapping portion (212).

3. The electrical compartment assembly according to claim 2, characterized in that, The included angle between each of the material retaining ribs (213) and the overlapping portion (212) is a right angle.

4. The electrical compartment assembly according to claim 2, characterized in that, The material blocking heights of at least two of the material blocking ribs (213) are different. From the connection end of the overlapping part (212) and the insertion part (211) to the free end of the overlapping part (212), the material blocking height of the overlapping part (212) decreases sequentially.

5. The electrical compartment assembly according to claim 1, characterized in that, The angle between the first ring edge (1111) and the second ring edge (1112) is a right angle, and the angle between the overlapping part (212) and the insertion part (211) is a right angle.

6. The electrical compartment assembly according to claim 1, characterized in that, The electrical compartment (200) includes a base plate structure (220) located inside the side wall structure (210), and the base plate structure (220) is provided with at least one clearance hole (221) for avoiding the end of the inner tank of the water heater.

7. The electrical compartment assembly according to claim 6, characterized in that, The base plate structure (220) is provided with a filling port (222), and the electrical chamber assembly also includes a filling cap that is detachably connected to the filling port (222); And / or, the base plate structure (220) is provided with a first mounting structure (223), the first mounting structure (223) being used to mount a thermostat; And / or, the base plate structure (220) is provided with a second mounting structure (224), the second mounting structure (224) being used to mount the power board; And / or, the base plate structure (220) is provided with a cable management structure (225), and the cable management structure (225) is provided with cable management grooves.

8. The electrical compartment assembly according to claim 1, characterized in that, The electrical compartment component (200) also includes a tubular portion (226), which is integrated with the sidewall structure (210); Two tubular sections (226) are provided, one of which is used for the water inlet pipe to pass through, and the other is used for the water outlet pipe to pass through; And / or, the tubular portion (226) protrudes from the sidewall structure (210), the protruding end of the tubular portion (226) is used to abut against the inner tank of the water heater, and an anti-overflow structure is provided at the abutment.

9. The electrical compartment assembly according to claim 1, characterized in that, The annular end cap (100) and the electrical chamber component (200) are snapped together; And / or, the electrical compartment assembly further includes a maintenance cover (300) which is detachably mounted at the opening of the annular end cap (100).

10. A water heater, characterized in that, The device includes a housing, an inner liner, and an electrical compartment assembly as described in any one of claims 1-9, wherein the inner liner is disposed within the housing, and the electrical compartment assembly is disposed at the open end of the housing.

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