CN220586664U - Power panel fixing structure and household appliance - Google Patents

Abstract

The utility model belongs to the technical field of household appliances, and discloses a power panel fixing structure and a household appliance, wherein the power panel fixing structure is used for fixing a power panel in a mounting cavity and comprises a slot and a fixing piece which are arranged in the mounting cavity; the power panel is inserted into the slot along the first direction; the mounting includes first spacing portion and second spacing portion, and first spacing portion is used for stopping the power strip to break away from the slot in first direction, and second spacing portion is used for stopping the power strip in the second direction, and the second direction is perpendicular to first direction, and the second direction is the thickness direction of power strip. The first spacing portion can block the power strip and deviate from the slot, and the second spacing portion stops the power strip on the thickness direction of power strip, prevents that the power strip from producing great elastic deformation and deviating from the restriction scope of first spacing portion on self thickness direction, ensures that the power strip is firm in installation in the installation cavity, avoids the power strip to produce great displacement and causes the installation to rework even the power strip to suffer the direct damage of collision.

Description

Power panel fixing structure and household appliance

Technical Field

The utility model relates to the technical field of household appliances, in particular to a power panel fixing structure 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. The both ends of shell all are provided with the end cover, and the end cover sets up with backup pad 20 interval to form the electrical room between end cover and the backup pad 20, be provided with the space that is used for installing fixed power strip subassembly 10 in the electrical 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.

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

Disclosure of Invention

The utility model aims to provide a power panel fixing structure and a household appliance, which ensure that the power panel is firmly and firmly installed in an electric room, and avoid the problem that the power panel generates larger displacement to cause installation reworking and even the power panel is directly damaged by collision.

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

in one aspect, a power panel fixing structure is provided, and is used for fixing a power panel in a mounting cavity, wherein the power panel fixing structure comprises a slot and a fixing piece which are arranged in the mounting cavity;

the power panel is inserted into the slot along a first direction;

the fixing piece comprises a first limiting part and a second limiting part, wherein the first limiting part is used for blocking the power panel from being separated from the slot in the first direction, the second limiting part is used for stopping the power panel in the second direction, the second direction is perpendicular to the first direction, and the second direction is the thickness direction of the power panel.

As the preferable scheme of the power panel fixing structure provided by the utility model, the first limiting part and the second limiting part are connected and are arranged in an included angle, and the first limiting part is detachably connected in the mounting cavity.

As the preferable scheme of the power panel fixing structure provided by the utility model, the power panel fixing structure further comprises a fastener, a fixing column is arranged in the mounting cavity, and the fastener penetrates through the first limiting part and is screwed on the fixing column.

As the preferable scheme of the power panel fixing structure provided by the utility model, the first limiting part is convexly provided with the positioning cylinder, and the inner cavity of the positioning cylinder is in plug-in fit with the fixing column.

As the preferable scheme of the power panel fixing structure provided by the utility model, the fixing piece further comprises a flange, the flange is annularly arranged on the circumference of the first limiting part and is connected with the second limiting part, and the first limiting part is sunken relative to the flange.

As the preferable scheme of the power panel fixing structure provided by the utility model, one side of the fixing column facing the power panel is provided with a stop plane, and the stop plane and the second limiting part are arranged on two sides of the power panel along the second direction.

As a preferred scheme of the power panel fixing structure provided by the utility model, the first limiting part and the second limiting part are of split type structures; the first limiting part and the second limiting part are detachably arranged in the mounting cavity.

As the preferable scheme of the power panel fixing structure provided by the utility model, the slot comprises a bottom clamping groove and two side clamping grooves, wherein the two side clamping grooves are respectively positioned at two ends of the bottom clamping groove and extend along the first direction; the bottom side of power strip inserts and locates the bottom draw-in groove, the side of power strip inserts and locates corresponding the lateral part draw-in groove.

As the preferable scheme of the power panel fixing structure provided by the utility model, one end of the side clamping groove, which is far away from the bottom clamping groove, is provided with the guide notch, and the cross section area of the guide notch is gradually increased along the direction far away from the side clamping groove.

As the preferable scheme of the power panel fixing structure provided by the utility model, one side of the first limiting part and/or the second limiting part, which faces the power panel, is provided with a soft cushion.

As the preferable scheme of the power panel fixing structure, one or a plurality of fixing pieces are arranged at intervals, and at least one fixing piece is positioned in the middle of the power panel.

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

As the preferable scheme of the power panel fixing structure provided by the utility model, the power panel fixing structure further comprises an elastic buckle arranged in the mounting cavity, wherein the elastic buckle can be elastically deformed when the power panel is inserted into the slot and is clamped with the power panel after the power panel is inserted into place.

As an preferable solution of the power panel fixing structure provided by the present utility model, the elastic buckle includes:

the elastic cantilever is connected to the cavity wall of the mounting cavity and is used for elastically deforming when the power panel is inserted into the slot;

and the clamping hook is connected with the elastic cantilever and can be clamped with the power panel.

In another aspect, a household appliance is provided, including a mounting base and the power panel fixing structure as described above, the mounting base being provided with the mounting chamber.

The utility model has the beneficial effects that:

the utility model provides a power panel fixing structure and a household appliance comprising the same. When the power panel is installed, firstly, the power panel is inserted into the slot in the installation cavity along the first direction, positioning and preliminary fixing of the power panel are achieved, then, the fixing piece is installed in the installation cavity, wherein the first limiting part of the fixing piece is used for blocking the power panel from separating from the slot along the first direction, namely, the first limiting part is used for blocking the power panel from separating from the slot along the reverse direction of the insertion direction, the second limiting part of the fixing piece is used for stopping the power panel in the thickness direction of the power panel, the power panel is prevented from generating larger elastic deformation in the thickness direction of the power panel to separate from the limiting range of the first limiting part, the power panel is ensured to be firmly installed in the installation cavity, and the problem that the power panel is prevented from generating larger displacement to cause installation reworking or even the power panel to suffer from direct damage of collision.

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

FIG. 4 is a partial enlarged view at B in FIG. 3;

FIG. 5 is an internal schematic view of a mounting chamber provided in accordance with an embodiment of the present utility model;

FIG. 6 is an exploded view of a fastener and fastener provided in accordance with an embodiment of the present utility model;

fig. 7 is a second schematic installation view of a power panel provided in an embodiment of the present utility model in an installation cavity;

fig. 8 is a schematic structural diagram of a power panel according to an embodiment of the present utility model;

FIG. 9 is an enlarged view of a portion of FIG. 5 at C;

FIG. 10 is a partial enlarged view at D in FIG. 5;

fig. 11 is a partial enlarged view at E in fig. 5.

In fig. 1 and 2:

10. a power panel assembly; 20. a support plate; 30. metal tabletting;

fig. 3 to 11:

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

1. a slot; 2. a fixing member; 3. a fastener; 4. fixing the column; 5. an avoidance space;

11. a bottom clamping groove; 12. A side clamping groove;

111. a support part; 121. A guide slot;

21. a first limit part; 22. a second limit part; 23. a positioning cylinder; 24. a flange;

41. a stop plane; 42. a threaded hole;

101. an electronic component; 102. and (5) welding pins.

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. 3 and 4, the present embodiment provides a power panel fixing structure for fixing a power panel 100 in a mounting chamber 200 of a home appliance, the power panel 100 being used to provide normal power supply to the home appliance. The power panel fixing structure includes a slot 1 and a fixing member 2 provided in the installation chamber 200.

In this embodiment, for convenience of description, the first direction, the second direction, and the third direction are introduced for detailed explanation. Referring to fig. 8, the first direction is a width direction of the power panel 100, the second direction is a thickness direction of the power panel 100, the third direction is a length direction of the power panel 100, and the first direction, the second direction and the third direction are perpendicular to each other.

Specifically, the power board 100 is inserted into the slot 1 along the first direction. The fixing member 2 includes a first limit portion 21 and a second limit portion 22. The first limiting portion 21 is used for blocking the power panel 100 from being separated from the slot 1 in the first direction, and the second limiting portion 22 is used for blocking the power panel 100 in the second direction. Referring to fig. 4, the power board 100 is inserted into the slot 1 from top to bottom, and the first limiting portion 21 is located above the power board 100, for preventing the power board 100 from moving upward to be separated from the slot 1.

When the power panel 100 is installed, the power panel 100 is firstly inserted into the slot 1 in the installation cavity 200 along the first direction, positioning and primary fixing of the power panel 100 are achieved, then the fixing piece 2 is installed in the installation cavity 200, wherein the first limiting part 21 of the fixing piece 2 is used for blocking the power panel 100 from being separated from the slot 1 along the first direction, namely, the first limiting part 21 is used for blocking the power panel 100 from being separated from the slot 1 along the reverse direction of the insertion direction, the second limiting part 22 of the fixing piece 2 is used for blocking the power panel 100 along the thickness direction of the power panel 100, the power panel 100 is prevented from being separated from the limiting range of the first limiting part 21 due to larger elastic deformation in the thickness direction of the power panel 100, the power panel 100 is ensured to be firmly installed in the installation cavity 200, and the power panel 100 is prevented from being greatly displaced to cause the reworking of installation and even the power panel 100 from being directly damaged due to collision.

In this embodiment, the first limiting portion 21 and the second limiting portion 22 are connected and disposed at an included angle, and the first limiting portion 21 is detachably connected in the installation cavity 200. The first and second limiting portions 21 and 22 are connected to form an integral unit, which is more convenient to install in the installation cavity 200. Specifically, referring to fig. 6, the first limiting portion 21 and the second limiting portion 22 are connected to form an L-shaped clip, and an L-shaped slot of the L-shaped clip is engaged with an upper edge of the power board 100. The first limiting portion 21 is detachably connected to the mounting cavity 200, so that the first limiting portion 21 can be detached when the power panel 100 is overhauled and maintained, and the fixing piece 2 is released from limiting the power panel 100, so that the power panel 100 can be pulled out from the slot 1.

As shown in fig. 5, 6 and 7, the power panel fixing structure further includes a fastener 3, a fixing column 4 is disposed in the mounting chamber 200, and the fastener 3 penetrates the first limiting portion 21 and is screwed on the fixing column 4, so as to realize detachable connection of the first limiting portion 21 in the mounting chamber 200. The first limiting part 21 is provided with a perforation, the fixing column 4 is provided with a threaded hole 42, after the power panel 100 is inserted in place, the fixing piece 2 is placed on the fixing column 4 and is clamped with the power panel 100, and the fastener 3 penetrates through the perforation and is screwed into the threaded hole 42, so that the first limiting part 21 can be pressed on the upper side of the power panel 100.

In this embodiment, the fastener 3 is preferably a screw.

As shown in fig. 5, 6 and 7, the first limiting portion 21 is provided with a positioning cylinder 23 in a protruding manner, and an inner cavity of the positioning cylinder 23 is in plug-in fit with the fixing column 4, so that the fixing piece 2 is more stable and firm after being mounted on the fixing column 4, and cannot shift, and fixing firmness of the power panel 100 is further guaranteed.

Referring to fig. 6, the fixing element 2 further includes a flange 24, the flange 24 is circumferentially disposed on the first limiting portion 21 and is connected with the second limiting portion 22, the first limiting portion 21 is recessed relative to the flange 24, so that a recess groove is formed between the first limiting portion 21 and the flange 24, the through hole is located at a bottom of the recess groove, and after the fastening element 3 is installed in place, a head of the fastening element 3 is located in the recess groove, so that the head of the fastening element 3 is prevented from being excessively protruded relative to an upper surface of the fixing element 2.

Referring to fig. 5, a stop plane 41 is disposed on a side of the fixing post 4 facing the power panel 100, and the stop plane 41 and the second limiting portion 22 are disposed on two sides of the power panel 100 along the second direction. Specifically, one side of the fixing post 4 is connected to the sidewall of the installation chamber 200, and the other side has the stopping plane 41. The power panel 100 is located between the stop plane 41 and the second limiting portion 22, and prevents the power panel 100 from moving or generating large elastic deformation in the thickness direction of the power panel 100.

In some other embodiments, the first and second limiting portions 21 and 22 may be a split structure; the first limiting portion 21 and the second limiting portion 22 are detachably installed in the installation cavity 200, and limiting of the power panel 100 in the first direction and the second direction can be achieved as well. One end of the first limiting part 21 and the second limiting part 22, which are connected with the cavity wall of the installation cavity 200, are located on one side of the power panel 100, or are respectively located on two sides of the power panel 100 along the second direction, and after the power panel 100 is inserted in place, the first limiting part 21 and the second limiting part 22 are respectively connected in the installation cavity 200.

Referring to fig. 5, the socket 1 includes a bottom card slot 11 extending in a third direction (a length direction of the power panel 100), and two side card slots 12 located at both ends of the bottom card slot 11 in the third direction, respectively, the side card slots 12 extending in the first direction. That is, the bottom clamping groove 11 and the two side clamping grooves 12 are surrounded to form a U-shaped groove structure for positioning and primarily fixing the power board 100. Specifically, the bottom edge of the power panel 100 is inserted into the bottom clamping groove 11, and the side edge of the power panel 100 is inserted into the corresponding side clamping groove 12.

Further, referring to fig. 9, both of the side card slots 12 are provided at one end thereof remote from the bottom card slot 11 with guide notches 121, and the cross-sectional area of the guide notches 121 is gradually increased in a direction remote from the side card slots 12. That is, the guide notch 121 is flared, so that the power board 100 can smoothly enter the side clamping groove 12 when being inserted, and the power board 100 can be guided.

Referring to fig. 10 and 11, a plurality of supporting portions 111 are provided in the bottom card slot 11 at intervals along the third direction, and the plurality of supporting portions 111 are used to support the bottom surface of the power panel 100.

Optionally, a soft cushion is disposed on a side of the first limiting portion 21 and/or the second limiting portion 22 facing the power board 100, so that contact between the first limiting portion 21 and/or the second limiting portion 22 and the power board 100 is flexible contact, and abrasion damage to the power board 100 is avoided. The cushion is preferably a silica gel pad.

Alternatively, the fixing members 2 are provided in one or a plurality of at intervals, and at least one fixing member 2 is located in the middle of the power panel 100. Because the two ends of the power panel 100 along the third direction are inserted into the corresponding side clamping grooves 12, the elastic deformation generated by the end of the power panel 100 is smaller, and the elastic deformation generated by the middle position of the power panel 100 is the largest, so that the fixing piece 2 is arranged at the middle position to effectively inhibit the elastic deformation of the middle part of the power panel 100, and the situation that the elastic deformation of the middle position is too large to deviate from the limiting range of the first limiting part 21 is avoided.

Referring to fig. 7, an avoidance space 5 is provided between the power panel 100 and the cavity wall of the mounting cavity 200, and the avoidance space 5 is used for avoiding a protruding portion on the power panel 100. Referring to fig. 8, the protruding portion on the power board 100 includes a plurality of electronic components 101 disposed on the power board 100 and fillets 102 of the electronic components 101, and interference between the electronic components 101 and the fillets 102 and the cavity wall of the mounting cavity 200 can be avoided by providing the avoidance space 5. Referring specifically to fig. 7, the power board 100 has a relief space 5 on both sides in the second direction to accommodate the electronic components 101 and the fillets 102 on the power board 100.

In some embodiments, to further enhance the securement of the power panel 100, a resilient snap may be provided within the mounting chamber 200. The elastic buckle can be when the power panel 100 inserts slot 1 elastic deformation to make the power panel 100 get into slot 1 inside smoothly, and the elastic buckle peg graft in place the back with the upside block of power panel 100 at power panel 100, prevent that power panel 100 from deviating from slot 1 along the first direction, further improve the fixed fastness to power panel 100.

Specifically, the elastic buckle comprises an elastic cantilever and a clamping hook. The elastic cantilever is connected to the cavity wall of the mounting cavity 200, and is used for elastic deformation when the power panel 100 is inserted into the slot 1; the hook is connected to the elastic cantilever and can be engaged with the upper side of the power panel 100. Further, a guiding inclined plane is arranged on the clamping hook, when the power panel 100 is inserted into the slot 1, the surface of the power panel 100 slides to squeeze the guiding inclined plane, so that the elastic cantilever is elastically deformed, and after the elastic cantilever is inserted in place, the elastic cantilever is restored to deform, and the clamping hook is clamped with the upper side edge of the power panel 100.

It should be noted that, the relatively smooth area on the power panel 100 is slidably engaged with the guiding inclined plane as much as possible, so as to avoid the jamming in the plugging process. In a specific design, the position of the elastic buckle can be set according to the structure of the power panel 100, so that the elastic buckle is opposite to a relatively smooth area on the power panel 100. Or, in the process of inserting, the elastic buckle can be manually broken to deform the elastic cantilever, and after the elastic buckle is inserted in place, the elastic buckle is released to complete the clamping of the elastic buckle and the power panel 100.

The present embodiment also provides a household appliance, including a mounting base on which the mounting chamber 200 is provided, and the power panel fixing structure as described above. The power panel fixing structure can fix the power panel 100 of the home appliance inside the installation chamber 200.

Illustratively, the water heater is taken as an example of the home appliance, referring to fig. 3, the water heater includes a housing 300, at least one inner container is provided inside the housing 300, both ends of the inner container are respectively fixed through two fixing plates 400, and the fixing plates 400 are fixed on the inner wall of the housing 300, providing stable support for the inner container. The housing 300 is provided at both ends with end caps spaced apart from the fixing plate 400 such that an electric room is formed between the end caps and the fixing plate 400, and the electric room defines the installation chamber 200 for installing the fixed power panel 100.

The water heater with the power panel 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 2 cannot be separated, the power panel 100 is ensured to be stably and firmly installed in an electric room, 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 this embodiment, the fixing member 2 is integrally formed, and the material may be plastic, and may be injection molded. Furthermore, the fixing piece 2 can be integrally formed with the electric room in the same set of die, a new die is not required to be additionally manufactured, only the original electric room die is required to be slightly improved, and the die cost is saved.

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 power panel fixing structure is used for fixing the power panel (100) in the installation cavity (200) and is characterized by comprising a slot (1) and a fixing piece (2) which are arranged in the installation cavity (200);

the power panel (100) is inserted into the slot (1) along a first direction;

the fixing piece (2) comprises a first limiting part (21) and a second limiting part (22), the first limiting part (21) is used for blocking the power panel (100) from being separated from the slot (1) in the first direction, the second limiting part (22) is used for stopping the power panel (100) in the second direction, the second direction is perpendicular to the first direction, and the second direction is the thickness direction of the power panel (100).

2. The power panel fixing structure according to claim 1, wherein the first limiting portion (21) and the second limiting portion (22) are connected and disposed at an included angle, and the first limiting portion (21) is detachably connected to the mounting chamber (200).

3. The power panel fixing structure according to claim 2, further comprising a fastener (3), wherein a fixing column (4) is provided in the installation cavity (200), and the fastener (3) penetrates through the first limiting portion (21) and is screwed on the fixing column (4).

4. A power panel fixing structure according to claim 3, wherein the first limiting portion (21) is provided with a positioning cylinder (23) in a protruding manner, and an inner cavity of the positioning cylinder (23) is in plug-in fit with the fixing column (4).

5. A power panel fixing structure according to claim 3, wherein the fixing member (2) further comprises a flange (24), the flange (24) is circumferentially arranged around the first limiting portion (21) and is connected to the second limiting portion (22), and the first limiting portion (21) is recessed with respect to the flange (24).

6. A power panel fixing structure according to claim 3, wherein a stop plane (41) is provided on a side of the fixing column (4) facing the power panel (100), and the stop plane (41) and the second limiting portion (22) are disposed on two sides of the power panel (100) along the second direction.

7. The power panel fixing structure according to claim 1, wherein the first limit portion (21) and the second limit portion (22) are of a split type structure; the first limiting part (21) and the second limiting part (22) are detachably arranged in the mounting cavity (200).

8. The power panel fixing structure according to claim 1, wherein the slot (1) includes a bottom clamping groove (11) and two side clamping grooves (12), the two side clamping grooves (12) being located at both ends of the bottom clamping groove (11) and extending in the first direction, respectively; the bottom edge of the power panel (100) is inserted into the bottom clamping groove (11), and the side edge of the power panel (100) is inserted into the corresponding side clamping groove (12).

9. The power panel fixing structure according to claim 8, wherein an end of the side clamping groove (12) away from the bottom clamping groove (11) is provided with a guide notch (121), and a cross-sectional area of the guide notch (121) gradually increases in a direction away from the side clamping groove (12).

10. The power panel fixing structure according to any one of claims 1 to 9, wherein a side of the first limit portion (21) and/or the second limit portion (22) facing the power panel (100) is provided with a cushion.

11. The power panel fixing structure according to any one of claims 1 to 9, wherein the fixing member (2) is provided in one or more than one at intervals, and at least one of the fixing members (2) is located in a middle portion of the power panel (100).

12. The power panel fixing structure according to any one of claims 1 to 9, wherein an avoidance space (5) is provided between the power panel (100) and a cavity wall of the mounting cavity (200), and the avoidance space (5) is used for avoiding a protruding portion on the power panel (100).

13. The power strip fixing structure according to any one of claims 1 to 9, further comprising an elastic buckle provided in the mounting chamber (200), the elastic buckle being capable of being elastically deformed when the power strip (100) is inserted into the slot (1) and being engaged with the power strip (100) after the power strip (100) is plugged into place.

14. The power strip securing structure as claimed in claim 13, wherein the elastic clip includes:

an elastic cantilever connected to a cavity wall of the mounting chamber (200) for being elastically deformed when the power board (100) is inserted into the socket (1);

and the clamping hook is connected to the elastic cantilever and can be clamped with the power panel (100).

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