CN217852477U - Household appliance's box bottom plate and household appliance - Google Patents

Abstract

The utility model relates to a domestic appliance's box bottom plate and domestic appliance, which comprises a plate body, the lower surface of plate body is evenly protruding all around to be equipped with two at least supporting legss, and the die mould boss that is formed by bottom plate arch down has been laid at the middle part of bottom plate, forms the die mould recess between the adjacent die mould boss, and the bottom surface of each die mould boss all is higher than the lower of above-mentioned supporting legs. The utility model discloses the intensity of bottom plate can be promoted in the design of the die mould boss at middle part of the well bottom plate and die mould recess, and the lower surface and the cupboard direct contact of bottom plate are avoided in the design of supporting legs for leave the clearance from top to bottom between bottom plate and the cupboard, can guarantee bottom plate bottom air current through the unsmooth design of die mould boss and die mould recess simultaneously, with above-mentioned supporting legs mating reaction, be favorable to bottom plate bottom thermal flow and take place the heat exchange with external cold air.

Description

Household appliance's box bottom plate and household appliance

Technical Field

The utility model relates to a domestic appliance field especially relates to a domestic appliance's box bottom plate and domestic appliance.

Background

Domestic appliances such as steam ager, oven, microwave oven, sterilizer can produce the heat in the use, and baking cooking device such as oven, steam oven especially because the bottom of baking cooking device's inner bag generally is provided with the bottom heating pipe, consequently long-time work back bottom temperature can be higher. For example, chinese utility model patent with patent number ZL201920574029.9 (publication number CN 210383656U) discloses a heating system under inner bag of a steaming and roasting all-in-one machine, including the inner bag, its characterized in that: the inner bag bottom has the interior recess of undercut, and the outer diapire of inner bag is fixed with down the locating plate, leaves the installation cavity between lower locating plate and the outer diapire of inner bag, installs the first heating pipe and the second heating pipe of mutual independence work in the installation cavity, and first heating pipe is located under the interior recess, the second heating pipe is located under the inner bag bottom region except interior recess. In addition, since the conventional grill cooking device is generally installed in a built-in manner, a cabinet for installing the grill cooking device is also affected as the temperature of the bottom of the grill cooking device increases.

Disclosure of Invention

The utility model aims to solve the first technical problem that provide a domestic appliance's that structural strength is high box bottom plate to prior art.

The utility model aims to solve the second technical problem that provide a can reduce domestic appliance's bottom plate of domestic appliance bottom heat accumulation to prior art.

The utility model aims to solve the third technical problem that to prior art and provide an easy to assemble's domestic appliance's box bottom plate.

The fourth technical problem to be solved by the utility model is to provide a domestic appliance who has above-mentioned box bottom plate to prior art.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted is: the utility model provides a domestic appliance's box bottom plate, includes the plate body, its characterized in that, evenly protruding being equipped with two at least supporting legss around the lower surface of plate body, and the die mould boss that is formed by bottom plate arch down has been laid at the middle part of plate body, forms the die mould recess between the adjacent die mould boss, and the bottom surface of each die mould boss all is higher than the lower of above-mentioned supporting legs.

Furthermore, the inner cavity of each profiling boss is communicated with the other adjacent profiling boss through a through groove. Thus, the profiling bosses form an integral structure, and the strength of the bottom plate can be further enhanced.

Furthermore, the edge of the plate body is provided with a main heat dissipation hole, and the main heat dissipation hole is communicated with the profiling boss adjacent to the main heat dissipation hole through a heat dissipation channel. Therefore, the heat dissipation channel can guide the heat at each profiling boss to the main heat dissipation hole and discharge the heat outside through the main heat dissipation hole, and the heat is better prevented from accumulating in the middle of the bottom plate.

Further, the heat dissipation channel comprises a main channel and a connecting channel, the main channel and the connecting channel are grooves formed by the plate body being concave downwards, wherein the main channel is arranged at the rear end, the left end and the right end of the plate body along the length direction of the plate body and is a rear main channel, a left main channel and a right main channel, the adjacent main channels are communicated with each other, the main heat dissipation holes are formed in the outer side wall of each main channel along the length direction at intervals, the connecting channel corresponds to the compression bosses adjacent to the main channels one to one and is used for communicating the compression bosses with the corresponding main channels. Each connecting channel is used for guiding the heat in the middle of the bottom plate to each main channel on the side, the heat led into each main channel is discharged outside through the main heat dissipation holes in each main channel, the heat dissipation efficiency is improved, and meanwhile, the three ends of the lower surface of the bottom plate are respectively convexly provided with the main channels to further enhance the overall strength of the bottom plate.

Further, the cross section of each main channel is in a trapezoid shape with a large top and a small bottom. The heat entering each main channel is guided to the corresponding main heat dissipation hole, so that the heat dissipation efficiency is further improved.

Furthermore, each supporting leg is formed by downward convex plate bodies and is respectively arranged on the corresponding main channel, and the inner cavity of each supporting leg is respectively communicated with the main channel where the supporting leg is arranged. The supporting legs and the main channels are designed into an integrated structure, so that on one hand, the strength of the bottom plate can be further enhanced, and on the other hand, the heat inside the supporting legs is favorably discharged outside from the main heat dissipation hole where the main channel is located through the corresponding main channel.

Furthermore, the four supporting legs are respectively arranged on the left main channel and the right main channel in pairs, and the two supporting legs at each end are respectively positioned at the front end and the rear end of the corresponding main channel. Therefore, the stress on the bottom plate can be uniformly distributed, and the strength of the bottom plate is further enhanced.

Furthermore, the supporting legs positioned at the rear ends of the left main channel and the right main channel are respectively positioned on the rear end parts of the corresponding main channels. Therefore, the heat in the two supporting feet at the rear end can be simultaneously discharged outside through the two main channels where the supporting feet are located.

Furthermore, the shape of each supporting leg is in a circular truncated cone shape, and each main channel is arranged along the central line direction of the corresponding supporting leg. Therefore, the stress distribution on the bottom plate is more uniform, and the strength of the bottom plate is further enhanced.

Further, each of the through grooves extends in the front-back direction or the left-right direction of the plate body, wherein the through groove extending in the front-back direction is a first through groove, and the through groove extending in the left-right direction is a second through groove, and similarly, the connecting channel also extends in the front-back direction or the left-right direction of the plate body, wherein the connecting channel extending in the front-back direction is a first connecting channel, and the connecting channel extending in the left-right direction is a second connecting channel, and each connecting channel is directly opposite to the through groove opposite thereto. Therefore, the flow of hot air at the bottom plate can be promoted, and the hot air is better guided to each main radiating hole and is discharged outside through each main radiating hole.

Further, each the cross section of die mould boss all is regular hexagon to including the first line of symmetry that extends along the plate body left and right sides direction and the second line of symmetry that extends along the plate body fore-and-aft direction, wherein, each first logical groove sets up along the first line of symmetry direction that corresponds the die mould boss respectively with first connecting channel, and each second logical groove sets up along the second line of symmetry direction that corresponds the die mould boss respectively with the second connecting channel. Therefore, the profiling bosses can be uniformly and densely distributed in the middle of the bottom plate, and the strength of the bottom plate and the flow speed of hot air at the bottom plate are further improved.

Furthermore, the top ends of the profiling bosses positioned at the front end of the plate body extend forwards to form profiling convex strips, and secondary heat dissipation holes are formed in the front end faces of the profiling convex strips. The heat at bottom plate middle part also can be arranged outward forward through inferior louvre simultaneously like this, further promotes the radiating effect to the bottom plate.

Furthermore, bottom mounting holes are symmetrically formed in the left end and the right end of the plate body. Thereby being convenient for the fixed mounting of the rear end of the bottom plate and other parts of the household appliance.

Furthermore, the left side edge, the right side edge and the rear side edge of the plate body respectively vertically extend upwards to form bending edges, the end part of each bending edge is respectively connected with the other adjacent bending edge, and two ends of each bending edge are respectively provided with a side mounting hole. Thereby being convenient for the fixed installation of the bottom plate and each side plate of the box body.

The technical solution adopted to further solve the fourth technical problem is as follows: a household appliance is characterized by comprising the box body bottom plate of the household appliance.

Further, the household appliance is one of an oven, a steaming oven, a microwave oven, a disinfection cabinet and a cleaning machine or an integrated combination device of at least two of the oven, the steaming oven, the microwave oven, the disinfection cabinet and the cleaning machine.

Compared with the prior art, the utility model has the advantages of: the design of the die mould boss and the die mould recess at bottom plate middle part can promote the intensity of bottom plate, and the lower surface and the cupboard direct contact of bottom plate are avoided in the design of supporting legs for leave clearance from top to bottom between bottom plate and the cupboard, can guarantee through the unsmooth design of die mould boss and die mould recess simultaneously that the air current of bottom plate department flows, with above-mentioned supporting legs mating reaction, be favorable to bottom plate bottom thermal flow and take place the heat exchange with external cold air.

Drawings

Fig. 1 is a schematic structural diagram of a household appliance in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a bottom plate in an embodiment of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 in another direction;

FIG. 4 is a cross-sectional view of a base plate in an embodiment of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention can be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 to 5, a household appliance is one of an oven, a steaming oven, a microwave oven, a sterilizing cabinet, a cleaning machine, or an integrated combination of at least two of them, and in this embodiment, the household appliance is specifically a steaming and baking cooking machine.

Further, above-mentioned domestic appliance includes box 10, and this box 10 includes the bottom plate, and this bottom plate includes plate body 1, and evenly protruding being equipped with two at least supporting legss 2 around the lower surface of this plate body 1, and the die mould boss 3 that is formed by plate body 1 arch down has been laid at the middle part of plate body 1, forms die mould recess 4 between the adjacent die mould boss 3, and the bottom surface of each die mould boss 3 all is higher than the minimum of above-mentioned supporting legss 2. Thus the utility model discloses the intensity of bottom plate can be promoted in the design of the die mould boss 3 at well plate body 1 middle part and die mould recess 4, and the lower surface and the cupboard direct contact of bottom plate are avoided in the design of supporting legs 2 for leave the clearance from top to bottom between bottom plate and the cupboard, can guarantee through die mould boss 3 and die mould recess 4's unsmooth design simultaneously that the bottom plate department air current flows, with above-mentioned supporting legs 2 mating reaction, be favorable to bottom plate bottom thermal flow and take place the heat exchange with external cold air.

Preferably, the inner cavity of each profiling boss 3 is communicated with another adjacent profiling boss 3 through a through groove, so that each profiling boss 3 forms an integral structure, and the strength of the bottom plate can be further enhanced. Furthermore, the edge of the plate body 1 is provided with a main heat dissipation hole 9, and the main heat dissipation hole 9 is communicated with the profiling boss 3 adjacent to the main heat dissipation hole 9 through a heat dissipation channel 6. Therefore, the heat dissipation channel 6 can guide the heat at each profiling boss 3 to the main heat dissipation hole 9 and discharge the heat outside through the main heat dissipation hole 9, thereby better avoiding the heat accumulation in the middle of the bottom plate.

Specifically, in this embodiment, the heat dissipating channel 6 includes a main channel 61 and a connecting channel 62, the main channel 61 and the connecting channel 62 are recesses formed by recessing the plate body 1, wherein the main channel 61 is disposed at the rear end, the left end, and the right end of the plate body 1 along the length direction of the plate body 1, and is a rear main channel 611, a left main channel 612, and a right main channel 613, respectively, and the adjacent main channels 61 are communicated with each other, the main heat dissipating holes 9 are disposed on the outer side wall of each main channel 61 at intervals along the length direction, respectively, and the connecting channel 62 corresponds to the compression bosses 3 adjacent to each main channel 61 one to one, and is used for communicating each compression boss 3 with the corresponding main channel 61, respectively. Each connecting channel 62 is used for guiding the heat in the middle of the bottom plate to each main channel 61 on the side, and the heat guided into each main channel 61 is discharged outside through the main heat dissipation holes 9 in each main channel 61, so that the heat dissipation efficiency is improved, and meanwhile, the main channels 61 are respectively arranged at the three ends of the lower surface of the plate body 1 in a protruding mode, so that the overall strength of the bottom plate can be further enhanced. Preferably, the cross section of each main channel 61 is a trapezoid with a large top and a small bottom, which is beneficial for guiding the heat entering each main channel 61 to the corresponding main heat dissipation hole 9, thereby further improving the heat dissipation efficiency.

Furthermore, each of the supporting legs 2 is formed by a downward protrusion of the plate body 1 and is respectively disposed on the corresponding main channel 61, and an inner cavity of each supporting leg 2 is respectively communicated with the main channel 61 where the supporting leg is located. The supporting legs 2 and the main channels 61 are designed into an integral structure, so that on one hand, the strength of the bottom plate can be further enhanced, and on the other hand, the heat in the supporting legs 2 is favorably discharged from the main heat dissipation holes 9 where the main channels 61 are located through the corresponding main channels 61. Specifically, the four support legs 2 are respectively disposed on the left main channel 612 and the right main channel 613 two by two, and the two support legs 2 at each end are respectively located at the front end and the rear end of the corresponding main channel 61, so that the stress distribution on the bottom plate is uniform, and the strength of the bottom plate is further enhanced. Further, the supporting legs 2 at the rear ends of the left main channel 612 and the right main channel 613 are respectively located at the rear end portions of the corresponding main channels 61, so that the heat in the two supporting legs 2 at the rear ends can be simultaneously discharged through the two main channels 61 at the rear ends. Preferably, the shape of each supporting leg 2 is a circular truncated cone, and each main channel 61 is arranged along the central line direction of the corresponding supporting leg 2, so that the stress distribution on the bottom plate is more uniform, and the strength of the bottom plate is further enhanced.

Further, each of the through grooves extends along the front-back direction or the left-right direction of the plate body 1, wherein the through groove extending along the front-back direction is a first through groove 51, the through groove extending along the left-right direction is a second through groove 52, and similarly, the connecting channel 62 also extends along the front-back direction or the left-right direction of the plate body 1, wherein the connecting channel 62 extending along the front-back direction is a first connecting channel 621, the connecting channel 62 extending along the left-right direction is a second connecting channel 622, and each connecting channel 62 is opposite to the opposite through groove, so that the flow of the hot air at the bottom plate can be promoted, the hot air can be better guided to each main heat dissipation hole 9, and the hot air is discharged outside through each main heat dissipation hole 9. In this embodiment, preferably, each of the above-mentioned profiled bosses 3 has a regular hexagonal cross section, and includes a first symmetry line extending along the left-right direction of the plate body 1 and a second symmetry line extending along the front-rear direction of the plate body 1, wherein each of the first through grooves 51 and the first connecting channels 621 is respectively disposed along the first symmetry line direction of the corresponding profiled boss 3, and each of the second through grooves 52 and the second connecting channels 622 is respectively disposed along the second symmetry line direction of the corresponding profiled boss 3, so that each of the profiled bosses 3 can be uniformly and densely distributed in the middle of the plate body 1, and the strength of the bottom plate and the flow speed of the hot air at the bottom plate are further improved. Furthermore, the top end of each profiled boss 3 located at the front end of the plate body 1 extends forward to form a profiled raised line 31, and the front end surface of each profiled raised line 31 is provided with a secondary heat dissipation hole 311. Therefore, the heat in the middle of the bottom plate can be simultaneously discharged forwards through the secondary heat dissipation holes 311, and the heat dissipation effect on the bottom plate 1 is further improved.

In addition, the rear end of the plate body 1 is symmetrically provided with bottom mounting holes 71, so that the rear end of the bottom plate and other parts of the household appliance can be conveniently and fixedly mounted. Simultaneously, the left side edge, the right side edge and the rear side edge of the plate body 1 respectively vertically extend upwards to form bending edges 8, the end parts of the bending edges 8 are respectively connected with the adjacent other bending edge 8, and the two ends of each bending edge 8 are respectively provided with a side mounting hole 72, so that the bottom plate and each side plate of the box body can be conveniently and fixedly mounted.

Claims (16)

1. The utility model provides a domestic appliance's box bottom plate, includes plate body (1), its characterized in that, the even protruding at least two supporting legs (2) that are equipped with all around of the lower surface of plate body (1), and the middle part of plate body (1) has laid the die mould boss (3) that are formed by plate body (1) arch down, forms die mould recess (4) between adjacent die mould boss (3), and the bottom surface of each die mould boss (3) all is higher than the lowest of above-mentioned supporting legs (2).

2. A bottom plate of a cabinet of a home appliance as claimed in claim 1, wherein the cavity of each profiled projection (3) is communicated with another adjacent profiled projection (3) by a through groove.

3. A cabinet base plate for household appliances according to claim 2, characterized in that the plate body (1) is provided at its edge with a main heat-dissipating hole (9), the main heat-dissipating hole (9) being in communication with the profiled boss (3) adjacent to the main heat-dissipating hole (9) through a heat-dissipating channel (6).

4. The cabinet bottom plate for home appliances according to claim 3, wherein the heat dissipating channel (6) comprises a main channel (61) and a connecting channel (62), the main channel (61) and the connecting channel (62) are recesses formed by recessing the plate body (1), wherein the main channel (61) is respectively disposed at the rear end, the left end and the right end of the plate body (1) along the length direction of the plate body (1) and is respectively a rear main channel (611), a left main channel (612) and a right main channel (613), adjacent main channels (61) are respectively communicated, the main heat dissipating holes (9) are respectively disposed at intervals along the length direction on the outer side wall of each main channel (61), and the connecting channel (62) corresponds to the profiling bosses (3) disposed adjacent to each main channel (61) one to one and is respectively used for communicating each profiling boss (3) with the corresponding main channel (61).

5. A cabinet base for household appliances according to claim 4, wherein each of the main channels (61) has a trapezoidal cross-section with a large top and a small bottom.

6. The cabinet bottom plate for household appliances according to claim 4, characterized in that each of the support feet (2) is formed by a plate body (1) protruding downward and is respectively disposed on the corresponding main channel (61), and the inner cavity of each support foot (2) is respectively communicated with the main channel (61) where it is located.

7. The cabinet bottom plate of a household appliance according to claim 6, characterized in that the support feet (2) are four and arranged two by two on the left main channel (612) and the right main channel (613), respectively, and the two support feet (2) at each end are located at the front end and the rear end of the corresponding main channel (61), respectively.

8. The cabinet bottom for household appliances according to claim 7, characterized in that the support feet (2) at the rear ends of the left (612) and right (613) main channels are located at the rear ends of the corresponding main channels (61), respectively.

9. A bottom plate of a cabinet for electric household appliances, as claimed in claim 8, wherein each of the supporting legs (2) has a truncated cone shape, and each of the main passages (61) is provided along a center line of the corresponding supporting leg (2).

10. A cabinet base for a home appliance according to any one of claims 4 to 9, wherein each of the through slots extends in a front-rear direction or a left-right direction of the base, wherein the through slot extending in the front-rear direction is a first through slot (51) and the through slot extending in the left-right direction is a second through slot (52), and likewise, the connecting passage (62) also extends in the front-rear direction or the left-right direction of the base, wherein the connecting passage (62) extending in the front-rear direction is a first connecting passage (621), and the connecting passage (62) extending in the left-right direction is a second connecting passage (622), and each connecting passage (62) is disposed opposite to its opposite through slot.

11. A cabinet base for a home appliance according to claim 10, wherein each of the profiling bosses (3) has a regular hexagonal cross-section and includes a first line of symmetry extending in a left-right direction of the panel body (1) and a second line of symmetry extending in a front-rear direction of the panel body (1), respectively, wherein each of the first through grooves (51) and the first connecting passages (621) is disposed in a first line of symmetry direction of the corresponding profiling boss (3), respectively, and each of the second through grooves (52) and the second connecting passages (622) is disposed in a second line of symmetry direction of the corresponding profiling boss (3), respectively.

12. The cabinet bottom plate for household appliances according to claim 11, wherein the top ends of the profiled bosses (3) at the front end of the plate body (1) extend forward to form profiled ribs (31), and the front end surfaces of the profiled ribs (31) are provided with secondary heat dissipation holes (311).

13. The cabinet bottom plate of home appliances according to any one of claims 1 to 9, wherein the rear end of the plate body (1) is provided with bottom mounting holes (71) in left-right symmetry.

14. The bottom plate of a cabinet for a home appliance according to any one of claims 1 to 9, wherein the left, right and rear side edges of the plate body (1) are respectively extended vertically upward to form bent edges (8), the end of each bent edge (8) is respectively connected to another adjacent bent edge (8), and side mounting holes (72) are respectively opened at both ends of each bent edge (8).

15. A household appliance having a cabinet base of the household appliance as claimed in any one of claims 1 to 14.

16. The household appliance according to claim 15, wherein the household appliance is one of an oven, a steaming oven, a microwave oven, a sterilizing cabinet, a washing machine or an integral combination of at least two of them.

Images