CN220586599U - Fixing structure of power panel and maintenance cover and household appliance - Google Patents

Abstract

The utility model belongs to the technical field of household appliances, and discloses a fixing structure of a power panel and a maintenance cover and a household appliance. The first slot and the fixing piece are respectively clamped with the two opposite sides of the power panel, so that the fixing piece can limit the power panel in the inserting direction of the power panel, the power panel is prevented from being separated from the first slot, the pressing effect of the metal pressing piece on the power panel is more stable and firm compared with the prior art, and the elastic deformation of the power panel in a drop test can be effectively limited. The installation cavity is internally provided with the connecting part, and the fastener penetrates through the maintenance cover and the fixing piece and is detachably connected with the connecting part, so that the maintenance cover and the power panel can be fixed only by one fastener, the labor cost is reduced, and the assembly efficiency is improved.

Description

Fixing structure of power panel and maintenance cover and household appliance

Technical Field

The utility model relates to the technical field of household appliances, in particular to a fixing structure of a power panel and a maintenance cover and a household appliance.

Background

An electric room is usually provided on the household appliance, and a power panel is fixed in the electric room for providing normal power supply for the household appliance equipment.

Exemplary, as shown in fig. 1 and 2, a schematic installation of a power strip assembly 10 within a water heater is provided. The water heater comprises a shell, at least one inner container is arranged in the shell, two ends of the inner container are respectively fixed through two supporting plates 20, and the supporting plates 20 are fixed on the inner wall of the shell to provide stable support for the inner container. An electric room is provided on the support plate 20, and a space for installing the fixed power panel assembly 10 is provided in the electric room.

In the prior art, a slot is formed in an electrical room, a power board assembly 10 is inserted into the slot from top to bottom, after the power board assembly 10 is inserted in place, in order to prevent the power board assembly 10 from being separated from the slot upwards, a screw with a metal pressing sheet 30 is screwed above the power board assembly 10 in the electrical room, and the metal pressing sheet 30 is pressed on the power board assembly 10 to block the power board assembly 10 from moving upwards to separate from the slot.

The prior art has the following defects: when the drop test of the water heater is performed, the power panel assembly 10 is elastically deformed due to vibration generated by drop, displacement in the front-rear direction is generated, especially displacement in the middle part is larger, when the deformation exceeds the width of the metal pressing sheet 30, the power panel assembly 10 can move forward to deviate from the pressing range of the pressing sheet, at this time, the upper end of the power panel assembly 10 cannot be limited due to the fact that the pressing sheet does not press the upper end of the power panel assembly 10 any more, the power panel assembly 10 is separated from the slot in the drop test process, and direct collision damage of the power panel assembly 10 is likely to be caused. In addition, as shown in fig. 3, after the power panel is installed, the maintenance cover 40 needs to be fixedly installed at the opening position of the electric room, specifically, after the maintenance cover 40 is positioned at the opening position of the electric room, a screw is used to pass through a fastening hole 410 on the maintenance cover 40 and is in threaded connection with a fastening structure in the electric room, so as to fix the maintenance cover 40. That is, the fixing of the power panel requires a screw to be driven, the fixing of the maintenance cover 40 also requires a screw to be driven, the fixing of the power panel and the maintenance cover 40 requires two screws to be driven, the labor cost is high, the assembly efficiency is low, if the power panel needs to be overhauled, the two screws need to be disassembled successively, and the overhauling is inconvenient.

Therefore, a fixing structure of a power panel and a maintenance cover and a household appliance are needed to solve the problem that the power panel is not stable and firm enough to install.

Disclosure of Invention

The utility model aims to provide a fixing structure of a power panel and a maintenance cover and a household appliance, which can reduce the number of screws used on the premise of ensuring that the power panel and the maintenance cover can be stably installed, reduce labor cost, improve assembly efficiency and ensure that the power panel cannot generate larger elastic deformation when a water heater falls down for experiments.

To achieve the purpose, the utility model adopts the following technical scheme:

in one aspect, a fixing structure of a power panel and a maintenance cover is provided, the power panel is fixed in a mounting cavity, the maintenance cover is covered at an coelent of the mounting cavity, and the fixing structure of the power panel and the maintenance cover comprises a fastener, a first slot and a fixing piece, wherein the first slot and the fixing piece are arranged in the mounting cavity;

the first slot and the fixing piece are respectively clamped with two opposite side edges of the power panel;

the installation cavity is internally provided with a connecting part, and the fastener penetrates through the maintenance cover and the fixing piece and is detachably connected with the connecting part.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover provided by the utility model, the fixing piece comprises the mounting plate, the mounting plate extends along the length direction of the power panel, two limiting plates are arranged on the mounting plate at intervals, and a second slot for clamping the power panel is formed between the two limiting plates.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover, the first clamping plate and the second clamping plate are arranged in the installation cavity; the two ends of the mounting plate are respectively provided with a first clamping structure clamped with the first clamping plate and a second clamping structure clamped with the second clamping plate.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover provided by the utility model, the first clamping structure comprises an elastic clamping hook, a clamping groove is formed in the first clamping plate, and the elastic clamping hook is clamped in the clamping groove.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover, the elastic clamping hook comprises a first cantilever and a first clamping hook part which are connected; the first cantilever is connected to the mounting plate and is arranged at intervals with the limiting plate, and the first hooking part is positioned at one side of the first cantilever, which is opposite to the limiting plate, and is clamped in the clamping groove.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover provided by the utility model, the first clamping plate is provided with the first guide inclined plane, and the elastic clamping hook can be clamped into the clamping groove in a sliding way along the first guide inclined plane.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover provided by the utility model, the second clamping structure comprises an elastic buckle, a clamping hole is formed in the second clamping plate, and the elastic buckle is clamped in the clamping hole.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover, the elastic buckle comprises a second cantilever and a second hooking part which are connected, wherein the second cantilever is connected to the mounting plate and extends along the thickness direction of the power panel, the second cantilever penetrates through the clamping hole, and the second hooking part can penetrate through the clamping hole and is hooked on the second clamping plate.

As a preferable mode of the fixing structure of the power panel and the maintenance cover provided by the utility model, a plurality of elastic buckles are arranged at intervals, and the second cantilevers of the elastic buckles can elastically deform towards the directions close to each other.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover, the fixing piece further comprises a connecting plate and an extending plate which are connected, the extending plate is connected to one side of the mounting plate, which is opposite to the limiting plate, and extends along the length direction of the mounting plate, the connecting plate is overhanging relative to the mounting plate, and the second clamping structure is arranged on the connecting plate.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover provided by the utility model, an avoidance space is arranged between the power panel and the cavity wall of the installation cavity, and the avoidance space is used for avoiding the protruding part on the power panel.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover, the first slot comprises a bottom slot and two side slots, and the two side slots are respectively positioned at two ends of the bottom slot; the bottom edge of the power panel is inserted into the bottom slot, and the side edge of the power panel is inserted into the corresponding side slot.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover, the side slot is provided with the guide notch at one end far away from the bottom slot, and the cross section area of the guide notch is gradually increased along the direction far away from the side slot.

As the preferable scheme of the fixing structure of the power panel and the maintenance cover provided by the utility model, one side of the maintenance cover facing the installation cavity is provided with a plurality of clamping protrusions, the clamping protrusions are all arranged in a protruding mode in the same direction, the cavity opening of the installation cavity is provided with clamping cavities corresponding to the clamping protrusions one by one, and the maintenance cover slides along the protruding mode direction of the clamping protrusions so that the clamping protrusions are clamped with the corresponding clamping cavities.

In another aspect, there is provided a household appliance comprising a mounting base provided with the mounting chamber, and a fixing structure of the power panel and the maintenance cover as described above.

The utility model has the beneficial effects that:

the utility model provides a fixing structure of a power panel and a maintenance cover and a household appliance, wherein a mounting cavity is formed in the household appliance, the fixing structure is used for fixedly mounting the power panel in the mounting cavity and fixedly mounting the maintenance cover at an coelent of the mounting cavity, and the fixing structure specifically comprises a fastener, a first slot and a fixing piece, wherein the first slot and the fixing piece are arranged in the mounting cavity. Because first slot and mounting respectively with the relative both sides limit block of power strip, consequently the mounting can be at the power strip insert establish the orientation on spacing power strip, avoid the power strip to break away from first slot, moreover, the mounting is more firm to the suppression effect of power strip with the card cooperation of power strip in prior art to the metal preforming, can effectively restrict the elastic deformation of power strip in drop test, ensures that the power strip is with first slot and mounting block all the time. Further, because the fastener directly runs through the maintenance lid and the mounting and is connected with the connecting portion in the installation cavity, consequently, this fastener can play the effect of fixed maintenance lid, can pass the mounting again so that the mounting compresses tightly the power strip, in the production equipment stage, only needs a fastener just can realize the fixed of maintenance lid and power strip, has reduced the cost of labor, has improved packaging efficiency.

Drawings

FIG. 1 is a schematic view of a prior art installation of a power strip of a water heater in an electrical compartment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the installation of a service cover of a prior art water heater on a housing;

FIG. 4 is a schematic view of the installation of a service cover on a housing provided in accordance with an embodiment of the present utility model;

fig. 5 is a first installation schematic diagram of a power panel in an installation cavity according to an embodiment of the present utility model;

FIG. 6 is a partial enlarged view at B in FIG. 5;

FIG. 7 is a partial schematic view of a mounting chamber provided in accordance with an embodiment of the present utility model;

FIG. 8 is an enlarged view of a portion of FIG. 7 at C;

FIG. 9 is a first view of a fastener provided in accordance with an embodiment of the present utility model;

FIG. 10 is a second view of a fastener provided in accordance with an embodiment of the present utility model;

FIG. 11 is a partial view of FIG. 10;

fig. 12 is a second schematic installation view of a power panel provided in an embodiment of the present utility model in an installation cavity;

FIG. 13 is a schematic view of a maintenance cap according to an embodiment of the present utility model;

fig. 14 is a partial enlarged view at D in fig. 5.

In fig. 1 to 3:

10. a power panel assembly; 20. a support plate; 30. metal tabletting; 40. maintaining the cover body; 410. fastening holes.

Fig. 4 to 14:

100. a power panel; 200. a mounting chamber; 300. a maintenance cover; 400. a housing; 500. a fixing plate;

101. an electronic component; 102. welding feet;

201. a cavity is blocked; 301. a first perforation;

302. a clamping protrusion;

1. a fastener; 2. a first slot; 3. a fixing member; 4. a connection part; 5. a first clamping plate; 6. a second clamping plate; 7. an avoidance space; 8. a first boss; 9. a second boss;

21. a bottom slot; 22. a side slot; 221. a guide slot;

31. a mounting plate; 32. a limiting plate; 33. a second slot; 34. an elastic clamping hook; 35. an elastic buckle; 36. a connecting plate; 37. an extension plate;

311. a second perforation;

341. a first cantilever; 342. a first hooking part;

351. a second cantilever; 352. a second hooking part;

41. a threaded hole; 42. reinforcing ribs;

51. a clamping groove; 52. a first guiding inclined surface;

61. and (5) clamping the hole.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 4, 5 and 6, the present embodiment provides a fixing structure of a power panel and a maintenance cover, which can realize the installation of the power panel 100 and the maintenance cover 300 on a home appliance. The household appliance is provided with a mounting chamber 200, and the fixing structure of the power panel and the maintenance cover is used for fixedly mounting the power panel 100 in the mounting chamber 200 and fixedly mounting the maintenance cover 300 at an accent of the mounting chamber 200. Specifically, the fixing structure of the power panel and the maintenance cover includes a fastener 1, and a first slot 2 and a fixing member 3 provided in the installation chamber 200. The first slot 2 and the fixing piece 3 are respectively used for being clamped with two opposite side edges of the power panel 100; the installation cavity 200 is provided with a connecting part 4, and the fastener 1 penetrates through the maintenance cover 300 and the fixing member 3 and is detachably connected with the connecting part 4.

Because the first slot 2 and the fixing piece 3 are respectively clamped with the two opposite sides of the power panel 100, the fixing piece 3 can limit the power panel 100 in the inserting direction of the power panel 100, the power panel 100 is prevented from being separated from the first slot 2, and the clamping effect of the fixing piece 3 and the power panel 100 is more stable and firm compared with the pressing effect of the metal pressing sheet on the power panel 100 in the prior art, so that the elastic deformation of the power panel 100 in a drop test can be effectively limited, and the power panel 100 is ensured to be always clamped with the first slot 2 and the fixing piece 3. Further, since the fastening member 1 directly penetrates the repair cover 300 and the fixing member 3 and is connected with the connection portion 4 in the installation cavity 200, the fastening member 1 can not only play a role in fixing the repair cover 300, but also penetrate the fixing member 3 to enable the fixing member 3 to press the power panel 100, and in the production and assembly stage, only one fastening member 1 is needed to fix the repair cover 300 and the power panel 100, so that the labor cost is reduced, and the assembly efficiency is improved.

Referring to the orientation in fig. 6, the power board 100 is inserted into the first slot 2 from top to bottom, so as to realize positioning and preliminary fixing of the power board 100, and then, the fixing member 3 is clamped with the power board 100, and connection of the fixing member 3 in the mounting cavity 200 is completed, so that the power board 100 is prevented from falling out of the first slot 2 from bottom to top.

The mounting 3 can be detachably installed in the installation cavity 200, when the power panel 100 needs to be maintained, the fastener 1 is detached first, then the maintenance cover 300 is opened to expose the power panel 100 in the installation cavity 200, after the mounting 3 is detached, the power panel 100 can be pulled out from bottom to top, and maintenance is performed on the power panel 100.

Alternatively, referring to fig. 6 and 9, the fixing member 3 includes a mounting plate 31, the mounting plate 31 extends along a length direction of the power panel 100, two limiting plates 32 are disposed on the mounting plate 31 at intervals, and a second slot 33 for engaging the power panel 100 is formed between the two limiting plates 32. That is, the second slot 33 extends in the length direction of the power panel 100. In this embodiment, the power panel 100 is inserted into the first slot 2 along the width direction thereof, and after the insertion is completed, the upper edge of the power panel 100 is in plug-in fit with the second slot 33, and the limiting plates 32 on two sides of the upper edge of the power panel 100 can effectively prevent the power panel 100 from elastic deformation along the thickness direction thereof, so as to ensure that the power panel 100 always maintains a good shape in the mounting chamber 200 without displacement.

Referring to fig. 7, a first card 5 and a second card 6 are disposed within the mounting chamber 200. The mounting plate 31 is provided with a first clamping structure and a second clamping structure at both ends respectively. The first clamping structure is clamped with the first clamping plate 5, and the second clamping structure is clamped with the second clamping plate 6. The first clamping structure and the second clamping structure are respectively arranged on two sides of the limiting plate 32 along the length direction of the limiting plate 32, so that the two ends of the fixing piece 3 are clamped with the mounting cavity 200. The clamping mode is firm and firm, and easy to detach, and the power panel 100 is taken out in the later stage to be overhauled and maintained.

Alternatively, referring to fig. 9 and 10, the first clamping structure includes a resilient catch 34. Referring to fig. 7 and 8, a clamping groove 51 is formed in the first clamping plate 5, and the elastic clamping hook 34 is clamped in the clamping groove 51 to realize clamping connection between the first end of the fixing piece 3 and the first clamping plate 5.

Specifically, referring to fig. 9 and 10, the elastic hook 34 includes a first cantilever 341 and a first hooking portion 342 connected. One end of the first cantilever 341 away from the first hooking portion 342 is connected to the mounting plate 31 and is spaced from the limiting plate 32. So that the first cantilever 341 can elastically deform toward the limiting plate 32; the first hooking portion 342 is located at a side of the first cantilever 341 opposite to the limiting plate 32, and is hooked in the locking slot 51, so as to prevent the elastic hook 34 from being separated from the locking slot 51. The first clamping plate 5 is located at one side of the elastic clamping hook 34, which is opposite to the limiting plate 32, and the elastic clamping hook 34 is inserted into the clamping groove 51, the first cantilever 341 generates elastic deformation in the direction close to the limiting plate 32, and after the first clamping hook portion 342 is clamped into the clamping groove 51, the first cantilever 341 recovers deformation.

Further, referring to fig. 8, the first clamping plate 5 is provided with a first guiding inclined plane 52, and the elastic clamping hook 34 can be slidably clamped into the clamping groove 51 along the first guiding inclined plane 52. Specifically, a first inclined surface is disposed on a side of the first hooking portion 342 facing away from the first cantilever 341, and in the process of inserting the elastic hook 34 into the clamping groove 51, the first inclined surface is slidably engaged with the first guiding inclined surface 52 on the first clamping plate 5, so that the first cantilever 341 is extruded to generate elastic deformation, and when the elastic hook 34 moves to align the first hooking portion 342 with the clamping groove 51, the first hooking portion 342 is automatically clamped in the clamping groove 51 under the elastic action of the first cantilever 341.

Preferably, the shape and size of the clamping groove 51 are matched with the shape and size of the first hooking portion 342 in an adaptive manner, so that the first hooking portion 342 is firmly clamped in the clamping groove 51, and further, the first end of the fixing piece 3 is firmly fixed in the mounting chamber 200.

In this embodiment, optionally, referring to fig. 10, the second clamping structure includes an elastic buckle 35, referring to fig. 7, a clamping hole 61 is provided on the second clamping plate 6, and the elastic buckle 35 is clamped in the clamping hole 61, so as to fix the second end of the fixing member 3 in the mounting chamber 200. The elastic buckle 35 extends along the thickness direction of the power panel 100, the clamping hole 61 penetrates through the second clamping plate 6 along the thickness direction of the power panel 100, and the elastic buckle 35 can rotate around the axis of the clamping hole 61 after being clamped into the clamping hole 61. When the fixing piece 3 is installed, the elastic buckle 35 can be firstly clamped in the clamping hole 61 to complete connection between the second end of the fixing piece 3 and the second clamping plate 6, then the fixing piece 3 is rotated anticlockwise to enable the second slot 33 to be inserted with the upper edge of the power panel 100, when the first end of the fixing piece 3 is rotated to the position of the first clamping plate 5, the fixing piece 3 is pressed down to complete clamping of the elastic clamping hook 34 and the clamping groove 51, and thus the fixing of the first end and the second end of the fixing piece 3 in the installation cavity 200 is completed.

Specifically, referring to fig. 11, the elastic buckle 35 includes a second cantilever 351 and a second hooking portion 352 connected to each other, the second cantilever 351 is connected to the mounting board 31 and extends in the thickness direction of the power panel 100, the second cantilever 351 is disposed through the hooking hole 61, and the second hooking portion 352 can pass through the hooking hole 61 and hook onto the second clamping board 6. In the process that the second hooking portion 352 passes through the clamping hole 61, the second cantilever 351 is elastically deformed to accumulate elastic potential energy, after the second hooking portion 352 passes through the clamping hole 61 completely, the second cantilever 351 is restored, the second hooking portion 352 is hooked on the surface of the second clamping plate 6 under the action of the elasticity of the second cantilever 351, and specifically, the second hooking portion is hooked on the junction between the surface of the second clamping plate 6 and the inner wall of the clamping hole 61, namely, the edge of the orifice of the clamping hole 61.

Further, with continued reference to fig. 11, the plurality of elastic buckles 35 are spaced apart, and the second cantilevers 351 of the plurality of elastic buckles 35 can elastically deform in a direction approaching each other, so as to ensure the fastening firmness between the second end of the fixing member 3 and the second clamping plate 6. In this embodiment, the second clamping structure includes two elastic buckles 35 disposed at intervals and opposite to each other, when the two elastic buckles 35 are clamped with the clamping hole 61, the second hooking portions 352 of the two elastic buckles 35 first enter the clamping hole 61 and are in sliding contact with the inner wall of the clamping hole 61, the two second cantilever arms 351 elastically deform in a direction approaching to each other under the action of extrusion reaction force of the inner wall of the clamping hole 61, so that the two second hooking portions 352 smoothly pass through the clamping hole 61, after the two second hooking portions 352 pass through the clamping hole 61, the two second cantilever arms 351 recover, and the two second hooking portions 352 are hooked on opposite sides of the aperture edge of the clamping hole 61 respectively.

Optionally, a second guiding inclined plane is provided at the entrance of the latch hole 61 along the circumferential direction, that is, the entrance of the latch hole 61 is in a bell mouth shape, and a second inclined plane is provided at a side of the second hooking portion 352 facing away from the second cantilever 351, so that an end of the second hooking portion 352 forms a guiding tip. The second guiding inclined plane and the guiding tip are arranged to enable the elastic buckle 35 to enter the clamping hole 61 more smoothly, and the clamping with the clamping hole 61 is completed rapidly.

Referring to fig. 10 and 11, the fixing member 3 further includes a connecting plate 36 and an extension plate 37 connected to each other, the extension plate 37 being connected to a side of the mounting plate 31 facing away from the limiting plate 32 and extending in a length direction of the mounting plate 31, the connecting plate 36 being cantilevered with respect to the mounting plate 31, and the second clamping structure being disposed on the connecting plate 36. The connecting plate 36 is L-shaped, one edge of the L-shaped plate is connected with the mounting plate 31 and the extending plate 37, and the elastic buckle 35 is arranged on the other edge, so that the extending plate 37 extends along the length direction of the mounting plate 31, the connection strength between the connecting plate 36 and the mounting plate 31 can be improved, and the connection part between the connecting plate 36 and the mounting plate 31 is prevented from being too weak to break. Further, the extension plate 37 reinforces the entire fixing member 3 in the longitudinal direction, preventing the fixing member 3 from being deformed.

Referring to fig. 4, 8 and 10, the maintenance cover 300 is provided with a first through hole 301, the mounting plate 31 of the fixing member 3 is provided with a second through hole 311, the second through hole 311 is located at one side of the elastic hook 34 away from the limiting plate 32, the connecting portion 4 is columnar, the connecting portion is provided with a threaded hole 41, and the fastener 1 sequentially passes through the first through hole 301 and the second through hole 311 and is screwed into the threaded hole 41. The fastener 1 is preferably a screw.

Alternatively, referring to fig. 7, the first socket 2 includes a bottom socket 21 extending in the length direction of the power panel 100, and two side sockets 22 located at both ends of the bottom socket 21 in the length direction, respectively, the side sockets 22 extending in the width direction of the power panel 100. That is, the bottom slot 21 and the two side slots 22 are surrounded to form a U-shaped slot structure for positioning and primarily fixing the power board 100. Specifically, the bottom edge of the power board 100 is inserted into the bottom slot 21, and the side edge of the power board 100 is inserted into the corresponding side slot 22.

Further, referring to fig. 8, the end of the side slot 22 remote from the bottom slot 21 is provided with a guide slot 221, and the cross-sectional area of the guide slot 221 gradually increases in a direction remote from the side slot 22. That is, the guide notch 221 is flared, so that the power board 100 can smoothly enter the side slot 22 when being inserted, and the power board 100 can be guided.

Referring to fig. 7 and 8, first bosses 8 and second bosses 9 are provided in the installation chamber 200 at intervals.

The connecting portion 4 is arranged on the first boss 8, and the first clamping plate 5 is arranged on the first boss 8 and is connected with the side wall of the connecting portion 4, so that stability is improved. A reinforcing rib 42 (see fig. 6 and 12) is further disposed between the connecting portion 4 and the first boss 8, so that connection stability of the connecting portion 4 in the mounting chamber 200 is improved, and deformation is avoided. The side slot 22 engaged with the left edge of the power panel 100 is formed by two first side clamping plates arranged at intervals, and the two first side clamping plates are connected to the first boss 8.

The second clamping plate 6 is arranged on the second boss 9, the side slot 22 clamped with the right edge of the power panel 100 is formed by two second side clamping plates arranged at intervals, and the two second side clamping plates are connected with the second boss 9 and the second clamping plate 6, so that the connection of the second side clamping plates and the second clamping plate 6 in the installation cavity 200 is more stable.

Referring to fig. 12, an avoidance space 7 is provided between the power panel 100 and the cavity wall of the installation cavity 200, and the avoidance space 7 is used for avoiding a protruding portion on the power panel 100. The protruding portion on the power panel 100 includes a plurality of electronic components 101 and fillets 102 of the electronic components 101101 disposed on the power panel 100, and interference between the electronic components 101 and fillets 102 and the wall of the mounting chamber 200 can be avoided by disposing the avoiding space 7. The power panel 100 has a space 7 for accommodating the electronic component 101 and the solder tail 102 on the power panel 100.

Referring to fig. 13, a plurality of clamping protrusions 302 are disposed on one side of the maintenance cover 300 facing the installation cavity 200, the plurality of clamping protrusions 302 are all protruding toward the same direction, referring to fig. 14, a plurality of clamping cavities 201 are disposed at the cavity mouth of the installation cavity 200, and the plurality of clamping cavities 201 are in one-to-one correspondence with the plurality of clamping protrusions 302. The maintenance cover 300 can slide along the protruding direction of the clamping protrusion 302 so that the clamping protrusion 302 is clamped with the corresponding clamping cavity 201, and the clamping fixation of the maintenance cover 300 at the cavity opening of the mounting cavity 200 is realized. In fig. 13, the plurality of engaging protrusions 302 are all protruding to the left, referring to fig. 4, after the maintenance cover 300 is fastened at the cavity opening of the mounting cavity 200, the maintenance cover 300 is pushed in the direction of the straight arrow in fig. 4, so that the plurality of engaging protrusions 302 are engaged with the plurality of engaging cavities 201 in a one-to-one correspondence. When the maintenance cover 300 is detached, the maintenance cover 300 is pushed in the opposite direction.

The present embodiment also provides a home appliance including a mounting base on which the mounting chamber 200 is provided, and a fixing structure of the power panel and the maintenance cover as described above. The fixing structure can fixedly mount the power panel 100 in the mounting chamber 200 and can fixedly mount the maintenance cover 300 at the mouth of the mounting chamber 200.

For example, referring to fig. 4 and 5, the installation base of the water heater includes a housing 400 and a fixing plate 500, at least one inner container is provided in the housing 400, both ends of the inner container are respectively fixed by the two fixing plates 500, and the fixing plates 500 are fixed on the inner wall of the housing 400, providing stable support for the inner container. The mounting chamber 200 is formed between the fixing plate 500 and the housing 400, and further, the mounting chamber 200 is concavely provided with a receiving groove in which the power board 100 is fixedly mounted.

The water heater with the fixing structure can limit the power panel 100 to generate larger elastic deformation when the water heater drop test is carried out, the power panel 100 and the fixing piece 3 cannot be separated, the power panel 100 is ensured to be stably and firmly installed in the installation cavity 200, the power panel 100 is prevented from generating larger displacement to cause the installation reworking and even the power panel 100 to be directly damaged due to collision, and the drop test is ensured to be normally carried out. In addition, when the water heater is assembled, the maintenance cover 300 and the power panel 100 can be fixed only by one fastener 1, so that the labor cost is reduced, and the assembly efficiency is improved.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (15)

1. The fixing structure of the power panel and the maintenance cover is characterized in that the power panel (100) is fixed in a mounting cavity (200), the maintenance cover (300) is covered at an opening of the mounting cavity (200), and the fixing structure of the power panel and the maintenance cover comprises a fastener (1), a first slot (2) and a fixing piece (3) which are arranged in the mounting cavity (200);

the first slot (2) and the fixing piece (3) are respectively clamped with two opposite side edges of the power panel (100);

the installation cavity (200) is internally provided with a connecting part (4), and the fastener (1) penetrates through the maintenance cover (300) and the fixing piece (3) and is detachably connected with the connecting part (4).

2. The fixing structure of the power panel and the maintenance cover according to claim 1, wherein the fixing member (3) comprises a mounting plate (31), the mounting plate (31) extends along the length direction of the power panel (100), two limiting plates (32) are arranged on the mounting plate (31) at intervals, and a second slot (33) for clamping the power panel (100) is formed between the two limiting plates (32).

3. The fixing structure of the power panel and the maintenance cover according to claim 2, wherein a first clamping plate (5) and a second clamping plate (6) are provided in the installation chamber (200); the two ends of the mounting plate (31) are respectively provided with a first clamping structure which is clamped with the first clamping plate (5) and a second clamping structure which is clamped with the second clamping plate (6).

4. A fixing structure for a power panel and a maintenance cover according to claim 3, wherein the first clamping structure comprises an elastic clamping hook (34), a clamping groove (51) is formed in the first clamping plate (5), and the elastic clamping hook (34) is clamped in the clamping groove (51).

5. The fixing structure of the power panel and the maintenance cover according to claim 4, wherein the elastic hook (34) includes a first cantilever (341) and a first hook portion (342) connected; the first cantilever (341) is connected to the mounting plate (31) and is arranged at intervals with the limiting plate (32), and the first hooking part (342) is located at one side of the first cantilever (341) opposite to the limiting plate (32) and is clamped in the clamping groove (51).

6. The fixing structure of the power panel and the maintenance cover according to claim 4, wherein a first guiding inclined plane (52) is provided on the first clamping plate (5), and the elastic clamping hook (34) can be slidably clamped into the clamping groove (51) along the first guiding inclined plane (52).

7. A fixing structure of a power panel and a maintenance cover according to claim 3, wherein the second clamping structure comprises an elastic buckle (35), a clamping hole (61) is provided on the second clamping plate (6), and the elastic buckle (35) is clamped in the clamping hole (61).

8. The fixing structure of the power panel and the maintenance cover according to claim 7, wherein the elastic buckle (35) comprises a second cantilever (351) and a second hooking portion (352) which are connected, the second cantilever (351) is connected to the mounting plate (31) and extends along the thickness direction of the power panel (100), the second cantilever (351) is arranged through the clamping hole (61), and the second hooking portion (352) can pass through the clamping hole (61) and hook the second clamping plate (6).

9. The structure for fixing the power panel and the maintenance cover according to claim 8, wherein a plurality of the elastic stoppers (35) are provided at intervals, and the second cantilevers (351) of the plurality of elastic stoppers (35) are elastically deformable in a direction approaching each other.

10. A fixing structure of a power panel and a maintenance cover according to claim 3, wherein the fixing member (3) further comprises a connecting plate (36) and an extension plate (37) connected to each other, the extension plate (37) is connected to a side of the mounting plate (31) facing away from the limiting plate (32) and extends along a length direction of the mounting plate (31), the connecting plate (36) is suspended relative to the mounting plate (31), and the second clamping structure is provided on the connecting plate (36).

11. The fixing structure of a power panel and a maintenance cover according to any one of claims 1 to 10, wherein an avoidance space (7) is provided between the power panel (100) and a wall of the installation chamber (200), and the avoidance space (7) is used for avoiding a protruding portion on the power panel (100).

12. The fixing structure of a power strip and a maintenance cover according to any one of claims 1 to 10, wherein the first slot (2) includes a bottom slot (21) and two side slots (22), the two side slots (22) being located at both ends of the bottom slot (21), respectively; the bottom edge of the power panel (100) is inserted into the bottom slot (21), and the side edge of the power panel (100) is inserted into the corresponding side slot (22).

13. The fixing structure of the power strip and the maintenance cover according to claim 12, wherein an end of the side slot (22) remote from the bottom slot (21) is provided with a guide slot (221), and a cross-sectional area of the guide slot (221) is gradually increased in a direction remote from the side slot (22).

14. The fixing structure of a power panel and a maintenance cover according to any one of claims 1 to 10, wherein a plurality of clamping protrusions (302) are provided on a side of the maintenance cover (300) facing the installation cavity (200), the plurality of clamping protrusions (302) are all protruding in the same direction, clamping cavities (201) corresponding to the clamping protrusions (302) one by one are provided at the cavity opening of the installation cavity (200), and the maintenance cover (300) slides along the protruding direction of the clamping protrusions (302) so that the clamping protrusions (302) are clamped with the corresponding clamping cavities (201).

15. Household appliance, characterized in that it comprises a mounting base on which the mounting chamber (200) is arranged, and a fixing structure of the power panel and the maintenance cover according to any one of claims 1-14.