CN210493320U

CN210493320U - Household electrical appliance

Info

Publication number: CN210493320U
Application number: CN201920874039.4U
Authority: CN
Inventors: 周坚毅; 戚志斌; 金炳奎
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-05-12
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a household appliance. The household appliance comprises a cavity, a drawer and a connecting assembly. The drawer is connected with the cavity and can move back and forth relative to the cavity. The connecting assembly comprises a slide rail bracket, a slide rail and a guide plate. The slide rail bracket is arranged in the cavity. The guide plate is connected with the drawer. The slide rail is including installing the second rail at the deflector at the first rail of slide rail support. The cavity and the guide plate are connected in a relatively movable manner through a slide rail. The slide rail bracket is provided with a through hole penetrating through the slide rail bracket. The utility model discloses among embodiment's the domestic appliance, slide rail bracket has seted up the through-hole, can follow the through-hole like this for slide rail bracket inside and with slide rail bracket connection's cavity position formation protective layer, avoid the position of cavity to rust easily and corrode, and then improve domestic appliance's life-span, in addition, the slide rail bracket who sets up the through-hole also can reduce material cost.

Description

Household electrical appliance

Technical Field

The utility model relates to the technical field of household appliances, in particular to household appliance.

Background

The drawer type household appliance can be embedded into the cabinet, so that the table space of a kitchen is saved, and the kitchen is clean and tidy. The drawer type household appliance comprises a cavity and a drawer, and the drawer can move back and forth in the cavity. In the related art, slide rail brackets are welded to both sides of a cavity, and slide rails are mounted on the slide rail brackets, so that the drawer can move back and forth by using the slide rails. In addition, in order to prolong the service life of the household appliance, a protective layer is generally formed on the outer surface of the cavity, however, in the process of forming the protective layer on the cavity, the slide rail bracket can shield part of the outer surface of the cavity, so that the part of the cavity is easy to rust and corrode.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an embodiment provides a household appliance.

The utility model discloses embodiment's domestic appliance includes:

a cavity;

the drawer is connected with the cavity and can move back and forth relative to the cavity;

coupling assembling, coupling assembling includes slide rail support, slide rail and deflector, the slide rail support establishes the cavity, the deflector is connected the drawer, the slide rail is including installing the first rail of slide rail support with install the second rail of deflector, the cavity with the deflector passes through slide rail relative movement ground is connected, slide rail support has seted up and has run through slide rail support's through-hole.

The utility model discloses among embodiment's the domestic appliance, slide rail bracket has seted up the through-hole, can follow the through-hole like this for slide rail bracket inside and with slide rail bracket connection's cavity position formation protective layer, avoid the position of cavity to rust easily and corrode, and then improve domestic appliance's life-span, in addition, the slide rail bracket who sets up the through-hole also can reduce material cost.

In some embodiments, the slide rail bracket includes two first mounting plates and a second mounting plate connecting the two first mounting plates, the first rail is mounted on an outer surface of the second mounting plate, the two first mounting plates are mounted on the cavity,

the through hole penetrates through the two first mounting plates or one of the two first mounting plates.

the through holes include a first through hole penetrating the two first mounting plates or one of the two first mounting plates, and a second through hole penetrating the second mounting plate.

In some embodiments, the slide rail bracket includes a mounting portion, the mounting portion being connected to the first mounting plate, the slide rail bracket being mounted to the cavity through the mounting portion.

In some embodiments, the number of the through holes is plural, and the plural through holes are arranged at intervals.

In some embodiments, the household appliance includes a protective layer including a protective layer portion formed on a sidewall of the through hole.

In some embodiments, the slide rail bracket is formed by stamping.

In certain embodiments, the thickness of the slide rail bracket is greater than or equal to 0.7 mm.

In some embodiments, the household appliance includes a roller assembly including a first roller and a second roller provided on an outer surface of the drawer, a rolling axis of the first roller being non-parallel to a rolling axis of the second roller, the first roller being rollably supported on a bottom plate of the cavity, and the second roller being rollably supported on a side plate of the cavity.

In some embodiments, the bottom plate of the cavity is provided with a positioning structure, the household appliance comprises a roller assembly, the roller assembly comprises a first roller and a second roller which are arranged on the outer surface of the drawer, the rolling axis of the first roller is not parallel to the rolling axis of the second roller, the first roller is supported on the bottom plate of the cavity in a rolling manner, and the second roller is connected with the positioning structure in a rolling manner.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded schematic view of a household appliance according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a household appliance according to an embodiment of the present invention;

fig. 3-6 are schematic structural views of a slide rail bracket according to an embodiment of the present invention;

fig. 7 and 8 are schematic structural views of a household appliance according to an embodiment of the present invention;

FIG. 9 is an enlarged schematic view of portion IX of FIG. 2;

fig. 10 to 13 are schematic structural views of a household appliance according to an embodiment of the present invention;

FIG. 14 is an enlarged schematic view of the XIV portion of FIG. 10;

FIG. 15 is an enlarged schematic view of the XV portion of FIG. 11;

fig. 16 is an enlarged schematic view of a portion XVI in fig. 13;

fig. 17 is a schematic partial structural view of a household appliance according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 6, a household appliance 100 according to an embodiment of the present invention includes a cavity 102, a drawer 104, and a connecting assembly 106. A drawer 104 is connected to the chamber 102 and is capable of moving back and forth relative to the chamber 102. The connection assembly 106 includes a slide bracket 108, a slide 110, and a guide plate 112. A slide bracket 108 is disposed in the cavity 102, and a guide plate 112 is coupled to the drawer 104. The sled 110 includes a first rail 114 mounted to the sled carriage 108 and a second rail 116 mounted to the guide plate 112. The chamber 102 and the guide plate 112 are movably connected to each other by a slide rail 110. The slide rail bracket 108 is provided with a through hole 118 penetrating the slide rail bracket 108.

The utility model discloses in embodiment's domestic appliance 100, through-hole 118 has been seted up to slide rail bracket 108, can form the protective layer from through-hole 118 for the inside cavity 102 position of being connected with slide rail bracket 108 of slide rail bracket 108, avoid the easy rust and corrosion in cavity 102's position, and then improve domestic appliance 100's life-span, in addition, the slide rail bracket 108 of seting up through-hole 118 also can reduce material cost.

It is understood that the household appliance 100 according to the embodiment of the present invention is provided with the drawer 104, and includes, but is not limited to, a drawer dishwasher, a drawer type sterilizing cabinet, a drawer type refrigerator, a drawer type microwave oven, a drawer type oven, and the like. The cavity 102 of the household appliance 100 is generally made of a metal material. After the slide rail bracket 108 is mounted to the cavity 102, in order to improve the service life of the household appliance 100, a protective layer may be formed on the surface of the cavity 102, for example, in a form of powder spraying.

In order to avoid the position that cavity 102 is sheltered from by slide rail bracket 108 can't be dusted, the utility model discloses set up through-hole 118 at slide rail bracket 108, can give the position that slide rail bracket 108 is inside and cavity 102 is connected with slide rail bracket 108 from through-hole 118 like this and spray powder in order to form the protective layer for whole cavity 102 and whole slide rail bracket 108 all are formed with the protective layer, thereby avoid rust and corrosion easily. The protective layer of the household appliance 100 includes a protective layer portion formed on the sidewall of the through hole 118. In this way, the sidewall of the through hole 118 can be protected. The through hole 118 penetrating the slide rail bracket 108 is a through hole penetrating the material of the slide rail bracket 108 itself, and is not the same as a hole formed by bending the slide rail bracket 108.

Preferably, the slide rail bracket 108 is formed by stamping, so that the through hole 118 is directly formed in the slide rail bracket 108. The through hole 118 is directly formed on the slide rail bracket 108 by using a stamping process, so that the method is easy to implement and can reduce the material cost.

In other embodiments, the elongated rail brackets 108 may be split into two or more rail brackets. A plurality of slide rail brackets 108 are arranged in the cavity 102 at intervals, and a space exists between the slide rail brackets 108. Therefore, powder can be sprayed to the inside of the slide rail brackets 108 and the connecting part of the cavity 102 and the slide rail brackets 108 from the distance between the two slide rail brackets 108 to form a protective layer.

Referring to fig. 1, 7 and 8, in the present invention, the household appliance 100 includes a door 120. The drawer 104 and the guide plate 112 are both connected to one side of the door 120, and the guide plate 112 is connected to the drawer 104 through the door 120. The connecting assembly 106 can support the drawer 104 and slide, so that the drawer 104 is firmly installed and moves smoothly and stably. One of the first rail 114 and the second rail 116 is a fixed rail, and the other is a movable rail. The first rail 114 and the second rail 116 slide in cooperation to allow the drawer 104 to move smoothly. The door 120 is provided with a handle 122 and a window 124. The handle 122 may be used to open or close the drawer 104, i.e., open or close the cavity 102. The viewing window 124 may be used to view conditions within the cavity 102. When the household appliance 100 is a drawer-type microwave oven, the window 124 may be used to check the cooking level of the food in the drawer 104.

In the embodiment shown in fig. 1, 7 and 8, the household appliance 100 comprises three connection assemblies 106. The guide plates 112 are located on the left and right sides of the drawer 104 and below the drawer 104. Correspondingly, the left and right side plates 126 and the bottom plate 128 of the cavity 102 are provided with the slide rail brackets 108. The first rail 114 of the slide rail 110 is a fixed rail fixed to the slide rail bracket 108, and the second rail 116 is a movable rail fixed to the guide plate 112. The guide plate 112 may be a hinge guide plate.

Referring to fig. 7, in some embodiments, the household appliance 100 includes a driving assembly 130. The driving assembly 130 is connected to the guide plate 112, and the driving assembly 130 is used for driving the guide plate 112 to move so as to drive the drawer 104 to move back and forth relative to the cavity 102.

It is understood that the driving assembly 130 includes a motor 132, which can move the drawer 104 through a rack and pinion transmission. Specifically, the drive assembly 130 includes a motor 132, a mating gear and rack. An output shaft of the motor 132 is connected to a gear, and a rack is fixedly installed on the guide plate 112 through a fixing block 133. The motor 132 drives the gear to rotate, the gear rotates to drive the rack matched with the gear to move, the rack is fixed on the guide plate 112, the rack moves to drive the guide plate 112 to move, the guide plate 112 moves to drive the drawer 104 to move, and therefore the drawer 104 is automatically opened and closed. The opening or closing of the drawer 104 can be achieved by controlling the forward or reverse rotation of the motor 132, thereby making the opening and closing control of the drawer 104 simple and convenient. In other embodiments, the motor 132 may be driven by other means, such as a belt, chain, etc.

Referring to fig. 3 and 4, in some embodiments, the slide rail bracket 108 includes two first mounting plates 134 and a second mounting plate 136 connecting the two first mounting plates 134. The first rail 114 is mounted to the outer surface of the second mounting plate 136 and the two first mounting plates 134 are mounted to the housing 102. The through-hole 118 penetrates through the two first mounting plates 134 or one of the two first mounting plates 134. The outer surface of the second mounting plate 136 is the surface facing away from the cavity 102.

It will be appreciated that in this embodiment, the through-hole 118 opens in a first mounting plate 134 and the first rail 114 is mounted in a second mounting plate 136. The number of the through holes 118 may be one or more. In the case where the number of the through holes 118 is one, one of the two first mounting plates 134 is opened with the through hole 118. In the case where the number of the through holes 118 is plural, for example, two or more, the plural through holes 118 may be provided at intervals. For example, two first mounting plates 134 may be both provided with one through hole 118, two first mounting plates 134 may be both provided with a plurality of through holes 118, one first mounting plate 134 may be provided with one through hole 118, and the other first mounting plate 134 may be provided with a plurality of through holes 118, or one of the two first mounting plates 134 may be provided with a plurality of through holes 118, and so on. It will be appreciated that the number and size of the through holes 118 are limited by the structural strength of the rail brackets 108 and the support design for the drawer 104.

In the example of fig. 3, a first mounting plate 134 is provided with a through hole 118 above a second mounting plate 136. In the example of fig. 4, two through holes 118 are opened in the first mounting plate 134 above the second mounting plate 136.

Referring to fig. 5 and 6, in some embodiments, the rail bracket 108 includes two first mounting plates 134 and a second mounting plate 136 connecting the two first mounting plates 134, the first rail 114 is mounted on an outer surface of the second mounting plate 136, and the two first mounting plates 134 are mounted in the cavity 102. The through-holes 118 include a first through-hole 138 extending through the two first mounting plates 134 or one of the two first mounting plates 134, and a second through-hole 140 extending through the second mounting plate 136.

It will be appreciated that in this embodiment, the first through-hole 138 opens in the first mounting plate 134, the second through-hole 140 opens in the second mounting plate 136, and the first rail 114 is mounted in the second mounting plate 136. In one example, the first mounting plates 134 each define a first through-hole 138 and the second mounting plates 136 define a second through-hole 140. Specifically, two first mounting plates 134 may each be provided with one or more first through-holes 138, and the second mounting plate 136 may be provided with one or more second through-holes 140. In another example, one of the two first mounting plates 134 defines a first through-hole 138 and the second mounting plate 136 defines a second through-hole 140. Specifically, one of the two first mounting plates 134 may be formed with one or more first through holes 138, and the second mounting plate 136 may be formed with one or more second through holes 140.

In the example of fig. 5, the first mounting plate 134 defines a first through-hole 138 above the second mounting plate 136, and the second mounting plate 136 defines a second through-hole 140. In the example of fig. 6, the first mounting plate 134 defines two first through holes 138 above the second mounting plate 136, and the second mounting plate 136 defines one second through hole 140.

In some embodiments, the slide rail bracket 108 includes a mounting portion 142, the mounting portion 142 being coupled to the first mounting plate 134. The slide rail bracket 108 is mounted to the housing 102 by a mounting portion 142.

It is understood that the mounting portion 142 can be attached to the cavity 102, and can be fixed to the cavity 102 by welding or screws, so as to mount the slide rail bracket 108 to the cavity 102. Thus, the installation is simple and convenient.

In certain embodiments, the thickness D of the slide rail bracket 108 is greater than or equal to 0.7 mm.

It will be appreciated that the slide bracket 108 is used to mount the first rail 114 of the slide 110, and that the slide bracket 108 needs to bear the weight of the drawer 104. Therefore, the rail brackets 108 are required to withstand a certain force, and the thickness D is generally set to be greater than or equal to 0.7 mm. Preferably, in one example, the thickness D of the slide rail bracket 108 is 0.8 mm. The thickness D of the slide rail bracket 108 refers to the thickness of the first mounting plate 134 or the thickness of the second mounting plate 136. The thickness of the first mounting plate 134 may be the same as or different from the thickness of the second mounting plate 136.

Referring to fig. 2 and 9, in some embodiments, the household appliance 100 includes a scroll wheel assembly 144. The roller assembly 144 includes a first roller 146 and a second roller 148 disposed on an outer surface of the drawer 104. The rolling axis a of the first roller 146 is not parallel to the rolling axis B of the second roller 148. The first roller 146 is rollably supported on the bottom plate 128 of the chamber 102, and the second roller 148 is rollably supported on the side plate 126 of the chamber 102.

It will be appreciated that the rolling axis a of the first roller 146 is not parallel to the rolling axis B of the second roller 148, the first roller 146 being rollably supported on the floor 128 of the chamber 102 and the second roller 148 being rollably supported on the side panel 126 of the chamber 102. The first roller 146 and the second roller 148 are arranged so that the drawer 104 does not rock left or right while moving within the cavity 102. In the illustrated embodiment, the rolling axis a of the first roller 146 is perpendicular to the rolling axis B of the second roller 148. It is understood that in other embodiments, the rolling axis a of the first roller 146 is neither parallel nor perpendicular to the rolling axis B of the second roller 148, i.e., the rolling axis a of the first roller 146 is disposed obliquely to the rolling axis B of the second roller 148.

In some embodiments, the number of the first rollers 146 is plural, and the plural first rollers 146 are respectively installed at the left side 150 and the right side 152 of the drawer 104. The second roller 148 is plural in number, and the plural second rollers 148 are respectively installed at the left side 150 and the right side 152 of the drawer 104.

It will be appreciated that the left side 150 and the right side 152 of the drawer 104 are each mounted with the first roller 146 and the second roller 148, with the rolling axis A of the first roller 146 and the rolling axis of the second roller 148B being perpendicular to each other. In the example of fig. 2, the number of the first rollers 146 is two, and two first rollers 146 are respectively installed at the left and

right sides

150 and 152 of the rear end of the drawer 104. The number of the second rollers 148 is two, and the two second rollers 148 are respectively installed at the left and

right sides

150 and 152 of the rear end of the drawer 104. Of course, the first roller 146 and the second roller 148 may be mounted at other locations on the drawer 104, such as the front of the drawer 104. It should be noted that the rear end of the drawer 104 refers to the end of the drawer 104 always located in the cavity 102. The front end of the drawer 104 refers to the end of the drawer 104 closer to the user.

Further, the household appliance 100 includes a roller bracket 154 mounting the first and

second rollers

146 and 148 to the drawer 104. In one example, roller brackets 154 are welded to both the left side 150 and the right side 152 of the drawer 104 to mount the first roller 146 and the second roller 148 on the left side 150 and the right side 152. To ensure the reliability of the roller bracket 154, a metal bracket may be used for the roller bracket 154. In other examples, the roller bracket 154 may be secured by screws or the like.

Referring to fig. 10-16, in some embodiments, the bottom plate 128 of the chamber 102 is provided with a positioning structure 156. The household appliance 100 includes a scroll wheel assembly 144, and the scroll wheel assembly 144 includes a first scroll wheel 146 and a second scroll wheel 148 provided at an outer surface of the drawer 104. The rolling axis of the first roller 146 is not parallel to the rolling axis of the second roller 148. The first roller 146 is rollably supported on the floor 128 of the chamber 102 and the second roller 148 is rollably connected to the positioning structure 156.

It will be appreciated that the rolling axis a of the first roller 146 is not parallel to the rolling axis B of the second roller 148, the first roller 146 is rollably supported on the floor 128 of the chamber 102, and the second roller 148 is rollably coupled to the locating feature 156 on the floor 128 of the chamber 102. The first roller 146 and the second roller 148 are arranged so that the drawer 104 does not rock left or right while moving within the cavity 102. In the illustrated embodiment, the rolling axis a of the first roller 146 is perpendicular to the rolling axis B of the second roller 148. It is understood that in other embodiments, the rolling axis a of the first roller 146 is neither parallel nor perpendicular to the rolling axis B of the second roller 148, i.e., the rolling axis a of the first roller 146 is disposed obliquely to the rolling axis B of the second roller 148.

Referring to fig. 10, 11, 12, 14 and 15, in some embodiments, the number of the first rollers 146 is multiple, and the first rollers 146 are respectively installed on the left side 150 and the right side 152 of the drawer 104. The number of the second rollers 148 is plural, and the plural second rollers 148 are installed at intervals on the lower surface 158 of the drawer 104 in a direction perpendicular to the moving direction of the drawer 104.

It is understood that the left side 150 and the right side 152 of the drawer 104 are each mounted with a first roller 146, and that the left side 150 of the drawer 104 may be mounted with the same number of first rollers 146 as the right side 152 of the drawer 104 or with a different number of first rollers 146. Therefore, the number of the first rollers 146 is two or three or more, such as two, four, or five, etc. The number of the second rollers 148 may be two or more, and are arranged at intervals in a direction perpendicular to the moving direction of the drawer 104.

In the example of fig. 10 and 11, the number of the first rollers 146 is two, and two first rollers 146 are respectively installed at the left and

right sides

150 and 152 of the rear end of the drawer 104. The number of the second rollers 148 is two, and the two second rollers 148 are respectively installed at left and right sides of a lower surface 158 at the rear end of the drawer 104. In the example of fig. 12, the number of the first rollers 146 is two, and two first rollers 146 are respectively installed at the left and

right sides

150 and 152 of the rear end of the drawer 104. The number of the second rollers 148 is three, two of the second rollers 148 are respectively installed at left and right sides of a lower surface 158 at the rear end of the drawer 104, and the other second roller 148 is installed between the two second rollers 148. The mounting positions of the first roller 146 and the second roller 148 at the rear end of the drawer 104 may be in the same line or in different lines. Of course, the first roller 146 and the second roller 148 may be mounted at other locations on the drawer 104, such as the front of the drawer 104.

Further, in some embodiments, the locating structure 156 includes a plurality of spaced locating portions 160. Each second roller 148 is rollably connected with a corresponding one of the positioning portions 160. One of the connecting surfaces 162 of one of the positioning portions 160, which is rollably connected to one of the second rollers 148, is opposite to at least one of the connecting surfaces 162 of the other positioning portion 160, which is rollably connected to the other second roller 148.

In this manner, the at least two second rollers 148 roll on the positioning portion 160 to provide opposite forces, so that the drawer 104 can be kept in balance. To further ensure that the drawer 104 does not shake left and right, the distance between the connection surfaces 162 of the two positioning portions 160 on the left and right sides of the household appliance 100 illustrated in fig. 10-12 may be greater than or equal to the distance between the two second left and right rollers 148.

Referring to fig. 13 and 16, in some embodiments, the number of the first rollers 146 is multiple, and the first rollers 146 are respectively installed on the left side 150 and the right side 152 of the drawer 104. The number of the second rollers 148 is single or plural, the second rollers 148 are installed at the lower surface 158 of the drawer 104, and in the case where the second rollers 148 are plural, the plural second rollers 148 are provided at intervals in the moving direction of the drawer 104.

It is understood that the left side 150 and the right side 152 of the drawer 104 may each be mounted with one or more first rollers 146, and that the left side 150 of the drawer 104 may be mounted with the same or different number of first rollers 146 as the right side 152 of the drawer 104. The number of the second rollers 148 may be single, two, or more, and are arranged at intervals in the moving direction of the drawer 104.

In the example of fig. 13, the number of the first rollers 146 is two, and two first rollers 146 are respectively installed at the left and

right sides

150 and 152 of the rear end of the drawer 104. The number of second rollers 148 is single, and a single second roller 148 is mounted on a lower surface 158 of the rear end of the drawer 104. The mounting positions of the first roller 146 and the second roller 148 at the rear end of the drawer 104 may be in the same line or in different lines. Of course, the first roller 146 and the second roller 148 may be mounted at other positions of the drawer 104, depending on the distance of the drawer 104 drawn out of the cavity 102.

Further, in some embodiments, the positioning structure 156 includes two positioning portions 160 opposite to each other at intervals, a positioning groove 164 is formed between the two positioning portions 160, and the second roller 148 is located in the positioning groove 164 and is rollably connected to the two positioning portions 160.

In this manner, the second roller 148 rolls within the detent 164 between the two detents 160, providing opposing forces, allowing the drawer 104 to remain balanced.

Referring to fig. 14-16, in some embodiments, the household appliance 100 includes a first bracket 166 mounting the first scroll wheel 146 to the drawer 104 and a second bracket 168 mounting the second scroll wheel 148 to the drawer 104.

It is to be appreciated that in one example, the first bracket 166 is welded to both the left side 150 and the right side 152 of the drawer 104 to mount the first roller 146 on both the left side 150 and the right side 152. A second bracket 168 is welded to the lower surface 158 of the drawer 104 to mount the second roller 148 on the lower surface 158. In order to ensure the reliability of the first bracket 166 and the second bracket 168, a metal bracket may be used for the first bracket 166 and the second bracket 168. In other examples, the first bracket 166 and the second bracket 168 may be secured by screws or the like.

Referring to fig. 14 and 15, in some embodiments, the positioning structure 156 includes a positioning portion 160. The detent 160 is formed on the floor 128 of the cavity 102 and/or the detent 160 is formed as part of the floor 128 of the cavity 102. The second roller 148 is rollably connected with the positioning portion 160.

It is understood that, in the present embodiment, the positioning structure 156 includes a plurality of positioning portions 160, and each positioning portion 160 may extend along the moving direction of the drawer 104. In the example of fig. 14, all the positioning parts 160 are formed on the bottom plate 128 of the cavity 102, and the positioning parts 160 may be formed by welding brackets on the bottom plate 128 of the cavity 102. In the example of fig. 15, all of the positioning portions 160 are part of the bottom plate 128 of the cavity 102, and for example, the bottom plate 128 may be formed by stamping into a convex portion that protrudes into the cavity 102, such convex portion forming the positioning portions 160. Of course, a part of the positioning portion 160 may be formed on the bottom plate 128 of the cavity 102, and the part of the positioning portion 160 is a part of the bottom plate 128 of the cavity 102. Preferably, the length of the positioning portion 160 along the moving direction of the drawer 104 can cover at least the whole moving stroke of the drawer 104.

In some embodiments, the floor 128 of the cavity 102 is formed with a recess 170, and the locating feature 156 is disposed in the recess 170. The floor 128 of the chamber 102 supports the first roller 146 at a location higher than the location of the floor 128 of the chamber 102 where the locating structure 156 is mounted.

In this manner, space is provided for mounting the locating feature 156, avoiding the locating feature 156 from occupying longitudinal space within the cavity 102. In addition, where the lower surface 158 of the drawer 104 is convexly and concavely configured, the groove 170 may also maintain a width of the distance between the lower surface 158 of the drawer 104 and the bottom panel 128 of the cavity 102 to accommodate the alignment structure 156 and the second roller 148.

Referring to fig. 7 and 17, in some embodiments, the household appliance 100 includes a locking member 172 and a locking engagement portion 174. The locking member 172 is disposed on one of the door 120 and the cavity 102, and the locking engagement portion 174 is disposed on the other of the door 120 and the cavity 102. The locking member 172 is connected to the locking fitting portion 174 to lock the door 120 and the cavity 102.

It is to be appreciated that in one example, the latch member 172 is disposed on the door 120 and the latch engaging portion 174 is disposed on the cavity 102. In another example, the locking member 172 is disposed in the cavity 102 and the locking engagement portion 174 is disposed in the door 120. In the illustrated embodiment, the locking member 172 is provided at the door 120, and the locking engagement portion 174 is provided at the cavity 102.

Further, the household appliance 100 includes an interlocking bracket 176 disposed at the cavity 102 or the door 120. The locking member 172 is formed with a hook 178, the locking mating portion 174 is formed with a catch plate 180, and the hook 178 and the catch plate 180 are connected in a snap fit manner. The catch plate 180 is provided on the interlock bracket 176.

It will be appreciated that the catch 178 has a ramp 182 that cooperates with a catch plate 180, the catch plate 180 being disposed at an angle to the vertical. Under the condition that the hook 178 moves under the driving of the drawer 104, the hook 178 can slide along the clamping plate 180 and can be easily abutted against the clamping plate 180, and meanwhile, the hook 178 can be abutted against the clamping plate 180 through the inclined surface 182 to slide, so that the hook and the clamping plate 180 can be easily separated. The clamping hook 178 and the clamping plate 180 are firmly matched and smoothly separated, the clamping hook 178 and the clamping plate 180 are not easy to damage in the matching and separating processes, and the service life is long.

It should be noted that the interlocking bracket 176 and the locking engagement portion 174 are both disposed on the cavity 102 or the door 120. In the illustrated embodiment, the interlocking bracket 176 and the locking engagement portion 174 are disposed in the cavity 102, and the locking member 172 is disposed in the door 120.

In some embodiments, the household appliance 100 includes a plurality of micro-switches 184 disposed on the interlock bracket 176. When the hook 178 and the card board 180 are engaged, the hook 178 activates the micro switches 184. The contact positions of the plurality of micro switches 184 with the hooks 178 are in different orientations.

It can be appreciated that the plurality of micro-switches 184 are used to monitor whether the door 120 and the chamber 102 are tightly closed. In the example of fig. 17, the plurality of microswitches 184 includes a first microswitch 186 and a second microswitch 188. When the cavity 102 is closed, the hook 178 is engaged with the catch plate 180 along with the movement of the drawer 104, and at this time, the hook 178 triggers the first micro switch 186 and the second micro switch 188 to change the states of the two micro switches 184, so that the door 120 is determined to be tightly closed with the cavity 102 according to the states of the first micro switch 186 and the second micro switch 188. The first microswitch 186 is located on the right side of the hook 178 in contact with the hook 178, and the second microswitch 188 is located on the lower side of the hook 178 in contact with the hook 178. This contact from different orientations makes it more reliable to determine whether the door 120 is secured to the chamber 102.

In one example, the cavity 102 is provided with a left interlocking bracket 176 and a right interlocking bracket 176, the left interlocking bracket 176 and the right interlocking bracket 176 are respectively provided with a clamping plate 180, and the left interlocking bracket 176 and the right interlocking bracket 176 are both provided with a microswitch 184. Correspondingly, the door body 120 is provided with a left locking member 172 and a right locking member 172, and the left locking member 172 and the right locking member 172 respectively form a hook 178. The two hooks 178 are respectively matched with the two clamping plates 180, so that the door body 120 and the cavity 102 are better locked and more stably closed. Of course, in other examples, the chamber 102 may be provided with a single interlocking bracket 176 and correspondingly the door 120 may be provided with a single locking member 172.

Referring to fig. 8, in some embodiments, the household appliance 100 includes a housing 190, and a cavity 102 and a microwave assembly 192 are disposed in the housing 190. A microwave assembly 192 is mounted within the housing 190 and is used to emit microwaves into the cavity 102.

Specifically, the home appliance 100 of the present embodiment is a drawer type microwave oven, and the microwave assembly 192 includes a high voltage transformer 194, a magnetron 196 and a waveguide 198. The high voltage transformer 194 is connected to the magnetron 196 and is disposed at the rear of the chamber 102, and the waveguide 198 is disposed at the top of the chamber 102. The high voltage transformer 194 and the magnetron 196 generate microwaves, which are introduced into the cavity 102 through the waveguide 198 at the top of the cavity 102 to achieve microwave cooking.

In some embodiments, the front side of the housing 190 near the door 120 is provided with a control panel 101. The control panel 101 is provided with "on" and "off" keys. The user can press the "open" button to control the driving assembly 130 to move the drawer 104 forward, so that the drawer 104 is automatically opened. The user can press the "close" button to control the driving assembly 130 to move the drawer 104 backward, so that the drawer 104 is automatically closed. The keys may be physical keys or virtual keys.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of the specific examples are described above. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description of the present specification, reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A household appliance, characterized in that it comprises:

a cavity;

2. The household appliance according to claim 1, wherein the rail bracket comprises two first mounting plates and a second mounting plate connecting the two first mounting plates, the first rail is mounted on an outer surface of the second mounting plate, the two first mounting plates are mounted on the cavity,

3. The household appliance according to claim 1, wherein the rail bracket comprises two first mounting plates and a second mounting plate connecting the two first mounting plates, the first rail is mounted on an outer surface of the second mounting plate, the two first mounting plates are mounted on the cavity,

4. The household appliance of claim 2 or 3, wherein the rail bracket comprises a mounting portion, the mounting portion is connected to the first mounting plate, and the rail bracket is mounted in the cavity through the mounting portion.

5. The household appliance according to claim 1, wherein the number of the through holes is plural, and the plural through holes are arranged at intervals.

6. The household appliance according to claim 1, comprising a protective layer including a protective layer portion formed on a sidewall of the through hole.

7. The household appliance according to claim 1, wherein the sliding rail bracket is formed by stamping.

8. The household appliance according to claim 1, wherein the thickness of the sliding rail bracket is greater than or equal to 0.7 mm.

9. The household appliance according to claim 1, wherein the household appliance comprises a roller assembly, the roller assembly comprises a first roller and a second roller which are arranged on the outer surface of the drawer, the rolling axis of the first roller is not parallel to the rolling axis of the second roller, the first roller is rollably supported on the bottom plate of the cavity, and the second roller is rollably supported on the side plate of the cavity.

10. The household appliance according to claim 1, wherein the bottom plate of the cavity is provided with a positioning structure, the household appliance comprises a roller assembly, the roller assembly comprises a first roller and a second roller which are arranged on the outer surface of the drawer, the rolling axis of the first roller is not parallel to the rolling axis of the second roller, the first roller is rollably supported on the bottom plate of the cavity, and the second roller is rollably connected with the positioning structure.