CN115363062B

CN115363062B - Drawer assembly and oven with same

Info

Publication number: CN115363062B
Application number: CN202110533830.0A
Authority: CN
Inventors: 丁越
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: 2021-05-17
Filing date: 2021-05-17
Publication date: 2024-04-16
Anticipated expiration: 2041-05-17
Also published as: CN115363062A

Abstract

The invention discloses a drawer assembly and an oven with the same, wherein the drawer assembly comprises: the drawer comprises a drawer body, wherein an accommodating cavity is formed in the drawer body, and two opposite outer side walls of the drawer body are respectively provided with a sliding fit part extending outwards and downwards in an inclined manner; the drawer bottom shell assembly comprises a bottom shell and two supporting sliding parts, wherein the two supporting sliding parts are fixed on two inner side walls of the bottom shell, which are oppositely arranged, each supporting sliding part is provided with a sliding groove with an open top, the sliding fit parts extend into the sliding grooves on the corresponding sides, and the sliding fit parts are in sliding fit with the supporting sliding parts so that the drawer body can be pulled out. According to the drawer assembly, a ball structure is omitted, damage is not easy to occur, the service life is prolonged, the maintenance cost is reduced, the structure is simple, the assembly is easy, and the production cost is reduced.

Description

Drawer assembly and oven with same

Technical Field

The invention relates to the technical field of ovens, in particular to a drawer assembly and an oven with the drawer assembly.

Background

In the related art, the drawer utilizes a ball type slide rail, and the slide rail relatively displaces and slides, thereby realizing the slide rail function. Under the condition of high-frequency use, the sliding rail is easy to damage due to the ball blocking and falling, and the later maintenance cost is high.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a drawer assembly which is simple in structure, low in production cost and low in maintenance cost.

Another object of the present invention is to propose an oven with a drawer assembly as described above.

According to an embodiment of the invention, a drawer assembly includes: the drawer comprises a drawer body, wherein an accommodating cavity is formed in the drawer body, and two opposite outer side walls of the drawer body are respectively provided with a sliding fit part extending outwards and downwards in an inclined manner; the drawer bottom shell assembly comprises a bottom shell and two supporting sliding parts, wherein the two supporting sliding parts are fixed on two inner side walls of the bottom shell, which are oppositely arranged, each supporting sliding part is provided with a sliding groove with an open top, the sliding fit parts extend into the sliding grooves on the corresponding sides, and the sliding fit parts are in sliding fit with the supporting sliding parts so that the drawer body can be pulled out.

According to the drawer assembly provided by the embodiment of the invention, the sliding rail function is realized through the cooperation of the sliding fit part and the supporting sliding part, so that a ball structure is omitted, the damage is not easy to occur, the service life is prolonged, the maintenance cost is reduced, the structure is simple, the assembly is easy, and the production cost is reduced.

In addition, the drawer assembly according to the above embodiment of the present invention may have the following additional technical features:

according to some embodiments of the invention, in the drawing direction of the drawer body, at least one supporting sliding piece is provided with a first limiting protrusion and a second limiting protrusion which are arranged at intervals, and the sliding fit part is abutted against the first limiting protrusion or the second limiting protrusion to be matched so as to limit the drawing stroke of the drawer body.

According to some embodiments of the invention, a portion of the side wall of the sliding groove facing the sliding engagement portion is provided with a downward-bent flange, the flange being located between the first limit projection and the second limit projection.

According to some embodiments of the invention, a limiting plate is arranged on a side wall of the sliding groove, which is far away from the sliding fit portion, and the limiting plate is located above the sliding fit portion to limit upward displacement of the sliding fit portion.

According to some embodiments of the invention, the support slider is an integrally formed metal piece, and the support slider is fixed to the bottom case by a first fixing connector.

According to some embodiments of the invention, a plurality of sliding fit parts are arranged on each outer side wall of the drawer body, and the sliding fit parts on the same side extend into the sliding grooves on the corresponding side.

According to some embodiments of the invention, the drawer assembly further comprises a reinforcement portion fixed to the drawer body and/or the slip fit portion, the reinforcement portion being in contact with the slip fit portion to enhance the strength of the slip fit portion.

According to some embodiments of the invention, a portion of the drawer body is separated from the remainder and bent outwardly to define the slip fit portion, and the reinforcement portion is secured to an inner wall of the slip fit portion.

According to some embodiments of the invention, the reinforcement portion is provided with a first inclined surface, the inclined angle of the first inclined surface is the same as that of the sliding fit portion, and the first inclined surface is attached to the sliding fit portion.

According to some embodiments of the invention, the drawer body is provided with a notch corresponding to the sliding fit portion, the reinforcement portion comprises a first portion and a second portion, the first portion penetrates out of the notch to be in contact with the sliding fit portion, and the second portion is located on the inner side of the notch and abuts against the inner wall of the drawer body.

According to some embodiments of the invention, the sliding fit portion is provided with a first fixing hole, the reinforcing portion is provided with a second fixing hole, and a second fixing connector passes through the first fixing hole and is matched with the second fixing hole to fixedly connect the sliding fit portion and the reinforcing portion.

According to some embodiments of the invention, the reinforcement is a plastic piece.

An oven according to an embodiment of the present invention includes a drawer assembly according to an embodiment of the present invention.

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 foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a left side view of a drawer assembly according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at circle C;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4 at circle D;

FIG. 6 is a schematic view of a drawer assembly according to an embodiment of the present invention;

FIG. 7 is an exploded view of a drawer assembly according to an embodiment of the present invention;

FIG. 8 is an enlarged schematic view of the structure of FIG. 7 at circle E;

FIG. 9 is a top view of a drawer body of a drawer assembly according to an embodiment of the invention;

FIG. 10 is a schematic view of a drawer body of a drawer assembly according to an embodiment of the present invention;

FIG. 11 is an exploded view of a drawer body of a drawer assembly according to an embodiment of the present invention;

FIG. 12 is an enlarged schematic view of the structure of FIG. 11 at circle F;

FIG. 13 is a rear view of a drawer body of the drawer assembly according to an embodiment of the present invention;

FIG. 14 is an enlarged schematic view of the structure of FIG. 13 at circle G;

FIG. 15 is a schematic view of a drawer bottom assembly of a drawer assembly according to an embodiment of the present invention;

FIG. 16 is an exploded view of a drawer bottom housing assembly of a drawer assembly according to an embodiment of the present invention;

FIG. 17 is a schematic view of the structure of a support slider of the drawer assembly according to an embodiment of the present invention;

FIG. 18 is a schematic view of a support slide of a drawer assembly according to an embodiment of the invention;

fig. 19 is a schematic view of a structure of a supporting slider of a drawer assembly according to an embodiment of the present invention.

Reference numerals:

a drawer assembly 100;

a drawer body 10; a housing chamber 101; notch 102; a slip fit portion 11; a first fixing hole 111;

a drawer bottom assembly 20; a bottom case 21; a fourth fixing hole 211; support the slide 22; a sliding groove 221; a first limit protrusion 222; a second limit projection 223; a flange 224; a limiting plate 225; a third fixing hole 226;

a reinforcing portion 30; a first inclined surface 301; a second fixing hole 302; a first portion 31; a second portion 32;

a first fixed connection 41; a second fixed connection 42.

Detailed Description

Embodiments of the present invention are described in detail below, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout the drawings. The embodiments described below with reference to the drawings are illustrative only and are not limiting of the invention.

In the present invention, 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., refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, for convenience of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operate in a particular orientation.

In the present invention, "first feature" and "second feature" may include one or more such features, and "plurality" means two or more, and the first feature may be "above" or "below" the second feature, and may include both the first and second features being in direct contact, or may include both the first feature and the second feature not being in direct contact but being in contact with each other through another feature therebetween, the first feature being "above", "above" and "above" the second feature including both 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.

A drawer assembly 100 and an oven having the same according to an embodiment of the present invention are described below with reference to the accompanying drawings.

Referring to fig. 1 to 7, a drawer assembly 100 according to an embodiment of the present invention may include: a drawer body 10 and a drawer bottom assembly 20. An oven according to an embodiment of the present invention includes a drawer assembly 100 according to an embodiment of the present invention.

Specifically, as shown in fig. 1 to 7, a receiving chamber 101 may be provided in the drawer body 10, and the receiving chamber 101 may be used to receive articles. In embodiments where the drawer assembly 100 is used in an oven, a container for holding food materials such as a barbecue grill, a barbecue tray, etc. may be placed in the receiving cavity 101, or the receiving cavity 101 may be directly used for placing food materials for barbecue, or the drawer assembly 100 may be used for storing common articles of the oven (such as a container, a barbecue material, etc.). The drawer body 10 is retractable with respect to the drawer bottom housing assembly 20 to facilitate access to the contents and cleaning of the receiving cavity 101.

In an embodiment of the present invention, as shown in fig. 8 to 14, two opposite outer sidewalls (left and right outer sidewalls as shown in fig. 11) of the drawer body 10 may each be provided with a sliding engagement portion 11, and the sliding engagement portion 11 extends outwardly (i.e., in a direction away from the outer sidewall of the drawer body 10) and obliquely downwardly.

It should be noted that, the connection structure between the sliding fit portion 11 and the drawer body 10 may be flexibly set according to practical situations. In some embodiments, the sliding fit portion 11 may be detachably mounted to the drawer body 10 by means of fasteners, clamping, etc. to facilitate later maintenance and replacement; in other embodiments, the sliding fit portion 11 may be welded to the drawer body 10 to improve the connection strength; in still other embodiments, as shown in fig. 5 and 12, a portion of the drawer body 10 may be separated from the rest and a portion of the drawer body 10 may be bent outward, thereby defining a sliding engagement portion 11 extending in an inclined direction, in other words, the sliding engagement portion 11 is integrally formed with the drawer body 10, the sliding engagement portion 11 and the drawer body 10 do not need to be assembled, the connection is firm and reliable, and the sliding engagement portion 11 is simple in structure and easy to process. In the embodiment shown in fig. 5, the sliding engagement portion 11 is a flange structure formed by a portion of the drawer body 10.

As shown in fig. 15-19, the drawer bottom assembly 20 may include a bottom shell 21 and a support slider 22. Here, the supporting sliders 22 may be two and fixed to two oppositely disposed inner side walls of the bottom chassis 21, respectively, as shown in fig. 15 on the left inner side wall and the right inner side wall. Each supporting slider 22 may define a sliding groove 221, and the top of the sliding groove 221 is opened so that the sliding fit portion 11 can be inserted into the sliding groove 221 located at the corresponding side thereof as shown in fig. 2 to 6. By providing the above structure, the sliding fit portion 11 can be slidably fitted with the support slider 22 to achieve drawing of the drawer body 10.

In the related art, the drawer adopts the ball slide rail, and under the higher circumstances of drawer frequency of use, later stage is because of ball Yi Kasai with drop, leads to the slide rail to damage easily, and life is short, and later stage cost of maintenance is high.

The sliding structure is formed by matching the sliding matching part 11 and the supporting sliding part 22, so that the sliding rail function is realized, a fragile ball structure is omitted, the sliding structure is not easy to be damaged such as blocking and falling off, the service life is prolonged, and the maintenance frequency and the maintenance cost are reduced. In the embodiment of the drawer assembly 100 applied to the oven, especially the independent big oven, the drawer assembly 100 has higher use frequency, and the sliding structure is less easy to damage by adopting the drawer assembly 100 of the embodiment of the invention, so that the later maintenance cost of the oven is reduced.

The sliding engagement portion 11 and the support slider 22 are simple in structure and convenient to assemble. Under the dead weight of the drawer body 10 and the weight of the content in the accommodating cavity 101, the sliding fit portion 11 can be stably located in the sliding groove 221, and the sliding fit portion 11 extending along the inclined direction can be matched with the side wall of the sliding groove 221, so that the sliding fit portion 11 is prevented from being separated from the sliding groove 221, and the limiting is reliable.

According to the drawer assembly 100 provided by the embodiment of the invention, the sliding fit part 11 and the supporting sliding part 22 are matched to realize the sliding rail function, so that a ball structure is omitted, the damage is not easy to occur, the service life is prolonged, the maintenance cost is reduced, the structure is simple, the assembly is easy, and the production cost is reduced.

Since the drawer assembly 100 according to the embodiment of the present invention has the above-described advantageous technical effects, the oven according to the embodiment of the present invention realizes the slide rail function by the cooperation of the sliding engagement portion 11 and the supporting slider 22, omits the ball structure, is not easily damaged, improves the service life, reduces the maintenance cost, and has a simple structure, easy assembly, and reduced production cost.

In some embodiments of the present invention, as shown in fig. 17 to 19, at least one support slider 22 may be provided with a first limit protrusion 222 and a second limit protrusion 223, and the first limit protrusion 222 and the second limit protrusion 223 may be spaced apart in the drawing direction of the drawer body 10. As shown in fig. 3 and 5, when the drawer body 10 is pulled, the sliding engagement portion 11 may be in stop engagement with the first stop protrusion 222 or the second stop protrusion 223, so as to define a pulling stroke of the drawer body 10, so as to prevent the sliding engagement portion 11 from being disengaged from the sliding groove 221 when the drawer body 10 is pulled, thereby preventing the drawer body 10 from falling down, and being safer to use.

Specifically, as shown in fig. 6 and 17-19, the first limit protrusion 222 is located at the front side of the second limit protrusion 223, and indicates that the drawer body 10 is pulled out to the limit position when the drawer body 10 is pulled out until the sliding engagement portion 11 abuts against the first limit protrusion 222; when the drawer body 10 is pushed to the position where the sliding fit portion 11 abuts against the second limiting protrusion 223, the drawer body 10 is pushed to the limit position and is closed.

In some embodiments of the present invention, as shown in fig. 5 and 17 to 19, a portion of the side wall of the sliding groove 221 facing the sliding engagement portion 11 may be provided with a flange 224, the flange 224 is bent downward, and the flange 224 is located between the first and second limit protrusions 222 and 223. The flange 224 can enhance the structural strength of the side wall of the sliding groove 221, so that the side wall of the sliding groove 221 is not easy to deform to affect the smoothness of the drawer body 10 during the process that the sliding fit portion 11 extends into the sliding groove 221 and moves along the sliding groove 221, and can support the drawer body 10 and contents with larger weight.

In some embodiments of the present invention, as shown in fig. 5 and 17-19, a limiting plate 225 may be disposed on a sidewall of the sliding groove 221 away from the sliding engagement portion 11, and the limiting plate 225 may be located above the sliding engagement portion 11 to limit upward displacement of the sliding engagement portion 11, so as to prevent the sliding engagement portion 11 from being separated from the sliding groove 221. In the example shown in fig. 5 and 19, the stopper plate 225 extends in the horizontal direction, and one lateral end is connected to a side wall of the slide groove 221 away from the slide fit portion 11, and the other lateral end is spaced apart from a side wall of the slide groove 221 close to the slide fit portion 11 by a distance so that the stopper plate 225 can reliably stopper the slide fit portion 11 without affecting the slide of the slide fit portion 11 along the slide groove 221.

In some embodiments, as shown in fig. 17-19, the supporting sliding member 22 may be a metal member, and the supporting sliding member 22 may be integrally formed to form a metal plate supporting structure, so that the supporting sliding member 22 is easy to process and form, has high structural strength, does not need to install the limiting protrusion, the limiting plate 225, the flange 224, and the like, and improves production efficiency and structural reliability.

In some embodiments, as shown in fig. 5 and 15-19, the supporting slider 22 may be fixed to the bottom case 21 by the first fixing connector 41, so that the connection manner is simple and reliable, easy to disassemble and assemble, and is not limited by the material of the parts. Specifically, a side wall of the supporting slider 22 away from the sliding engagement portion 11 may be provided with a third fixing hole 226, and a side wall of the corresponding side of the bottom case 21 may be provided with a fourth fixing hole 211, and the first fixing connector 41 penetrates the third fixing hole 226 and the fourth fixing hole 211 to connect the supporting slider 22 and the bottom case 21. The number of the fourth fixing holes 211 may be plural, and the fourth fixing holes 211 may be located on the sides of the first limiting protrusion 222 and the second limiting protrusion 223 away from each other, respectively, so as to prevent the first fixing connector 41 from affecting the sliding of the sliding fit portion 11, and facilitate the fixing of the supporting slider 22 more reliably. In some embodiments, the first fixed connection 41 may be a screw or bolt, or the like.

It should be noted that, the connection manner of the supporting slider 22 and the bottom case 21 includes, but is not limited to, connection via the first fixing connector 41, and only needs to satisfy the requirement of reliable connection. In some embodiments, the supporting slider 22 and the bottom case 21 may be further connected by clamping, welding, bonding, or the like.

In some embodiments of the present invention, as shown in fig. 6 to 7 and 10 to 11, a plurality of sliding engagement portions 11 may be provided on each outer sidewall of the drawer body 10, wherein the number of sliding engagement portions 11 is greater than or equal to two. The plurality of sliding fit portions 11 provided on the same side wall of the drawer body 10 may be distributed along the drawing direction of the drawer body 10. The plurality of sliding fit portions 11 on the same side may each extend into the sliding groove 221 on the corresponding side thereof. In other words, each of the sliding grooves 221 is engaged with the plurality of sliding engagement portions 11 to realize the slide rail function. On the one hand, the drawer body 10 can be provided with more stable and reliable support in the drawing direction, and the length of each sliding fit portion 11 along the drawing direction can be smaller, so that sliding friction resistance is reduced, the sliding fit portions 11 and the sliding grooves 221 are convenient to disassemble and assemble, and on the other hand, in the embodiment that the sliding fit portions 11 are formed by bending a part of the drawer body 10 outwards, the plurality of sliding fit portions 11 can reduce the influence on the self structural strength of the drawer body 10.

In the embodiment in which the support slider 22 includes the second limit projection 223, the first limit projection 222, and the limit plate 225, as shown in fig. 8, at least one end portion of the limit plate 225 may be spaced from the corresponding limit projection (the first limit projection 222 or the second limit projection 223) by a distance greater than or equal to the length of the sliding fit portion 11 in the drawing direction of the drawer body 10, i.e., the front-rear direction in fig. 8. Specifically, as shown in fig. 8, in an embodiment in which the first and second limiting protrusions 222 and 223 are spaced apart from the corresponding end portions of the limiting plate 225 by an interval L1, the length of the sliding engagement portion 11 may be L2, L2+.l1, so that the sliding engagement portion 11 can be smoothly installed into the sliding groove 221 without position interference with the limiting plate 225 and the limiting protrusions.

In some embodiments of the present invention, as shown in fig. 5 and 10-14, the drawer assembly 100 may further include a reinforcement 30. And the reinforcement part 30 may be fixed to at least one of the drawer body 10 and the sliding fit part 11, and the reinforcement part 30 may be in contact with the sliding fit part 11, thereby enhancing the strength of the sliding fit part 11, preventing the sliding fit part 11 from being deformed to affect the support reliability.

In some embodiments, as shown in fig. 5 and 12, a portion of the drawer body 10 may be separated from the rest and bent outwardly, thereby defining a slip fit 11. The reinforcement part 30 of the drawer assembly 100 may be fixed on the inner wall of the sliding fit part 11, thereby achieving the fixation of the reinforcement part 30 while achieving the connection of the reinforcement part 30 and the sliding fit part 11, and the reinforcement part 30 can provide stable support to the sliding fit part 11.

In some embodiments, as shown in fig. 5 and 12, the reinforcement 30 may be provided with a first slope 301. The inclination of the first inclined plane 301 may be the same as that of the sliding fit portion 11, so that the first inclined plane 301 may be attached to the sliding fit portion 11, and the sliding fit portion 11 is better in structural strength effect and less prone to deformation due to surface-to-surface fit.

In some embodiments of the present invention, as shown in fig. 5 and 12, the drawer body 10 may be provided with a notch 102. The notch 102 may be disposed corresponding to the sliding fit portion 11. The reinforcement 30 may include a first portion 31 and a second portion 32.

Wherein the first portion 31 may protrude through the notch 102 and the first portion 31 may be in contact with the sliding fit portion 11, in an embodiment including the first inclined surface 301, the first inclined surface 301 may be formed at a surface of the first portion 31 facing away from the accommodating chamber 101. As shown in fig. 5, the second portion 32 may be located on a side of the notch 102 near the accommodating chamber 101, i.e., on an inner side of the notch 102, and the second portion 32 may be stopped against an inner wall of the drawer body 10. When the drawer body 10 is supported on the supporting sliding member 22 through the sliding fit portion 11 or the first portion 31, the second portion 32 abuts against the inner wall of the drawer body 10, so that the sliding fit portion 11 is effectively prevented from bending and deforming outwards or upwards, the structural reliability of the sliding fit portion 11 is improved, and the stability of the drawer body 10 is further improved.

In an embodiment in which the sliding fit portion 11 is formed by bending a portion of the drawer body 10 outwards, the notch 102 may be a hole formed on the rest of the drawer body 10 after a portion of the drawer body 10 is separated from the rest of the drawer body, without providing an additional opening structure, the structure of the drawer body 10 is simpler, and the alignment between the first portion 31 and the sliding fit portion 11 is more accurate.

In some embodiments, as shown in fig. 5, the sliding fit portion 11 may be provided with a first fixing hole 111, and the reinforcement portion 30 may be provided with a second fixing hole 302. The sliding fit portion 11 and the reinforcing portion 30 can be fixedly connected through the second fixing connection member 42, specifically, the second fixing connection member 42 can pass through the first fixing hole 111 and the second fixing hole 302 to be matched, the connection structure is simple and reliable, and the connection mode is not limited by the material of the parts. After the connection is completed, the head of the second fixed connector 42 can be abutted against the sliding fit portion 11 and located in the sliding groove 221, so that the groove wall of the sliding groove 221 is utilized to play a limiting role on the second fixed connector 42, the second fixed connector 42 is prevented from falling off, the distance between the sliding fit portion 11 and the groove wall (such as the limiting plate 225) of the sliding groove 221 can be reduced by the second fixed connector 42, and the sliding fit portion 11 is prevented from shaking in the sliding groove 221. In some embodiments, the second fixing connector 42 may not pass through the second fixing hole 302, so that the wall surface of the accommodating cavity 101 is neat and beautiful, and the food material, the container or the user is prevented from being scratched. In some embodiments, the second fixed connection 42 may be a screw or bolt, or the like.

The connection manner of the reinforcing portion 30 and the sliding fit portion 11 includes, but is not limited to, connection via the second fixing connector 42, and only needs to satisfy the requirement of reliable connection. In some embodiments, the reinforcement portion 30 and the sliding fit portion 11 may be connected by clamping, welding, bonding, or the like.

In some embodiments, the reinforcement 30 may be a plastic piece. The plastic part is easy to machine and shape, can meet the special-shaped structure requirement of the reinforcing part 30, reduces the processing technology difficulty, has stronger hardness, can obtain a more stable structure by being matched with the sliding fit part 11, has light weight and low cost, ensures that the drawer body 10 is easy to pull, and has low production cost of the drawer assembly 100.

At least one of the sliding engagement portion 11 and the reinforcement portion 30 may be supported by the groove side wall of the sliding groove 221, thereby supporting the drawer body 10. As shown in fig. 5, in some embodiments, the sliding engagement portion 11 may be in line contact with the groove sidewall of the sliding groove 221, thereby reducing sliding friction resistance therebetween and making the drawing of the drawer body 10 smoother. In some embodiments, the lower surface of the first portion 31 may be supported on the groove sidewall of the sliding groove 221 to achieve line contact or surface contact, and the reinforcement portion 30 has a higher structural strength and is capable of supporting the drawer body 10 and the contents in the receiving cavity 101 with a greater weight. The flange 224 and the groove sidewall of the sliding groove 221 may be smoothly transited, and the first portion 31 of the reinforcing portion 30 may be supported at the connection portion of the flange 224 and the groove sidewall of the sliding groove 221, so as to reduce the contact area and reduce the sliding friction resistance. In embodiments where the reinforcement 30 is a plastic piece, the surface of the plastic piece is smoother to reduce sliding friction resistance.

The drawer assembly 100 according to one embodiment of the present invention will be described below with reference to the accompanying drawings, it being understood that the following description is illustrative only and is not to be construed as limiting the invention.

As shown in fig. 1 to 8, the drawer assembly 100 includes a drawer body 10, a reinforcement 30, and a drawer bottom case assembly 20.

As shown in fig. 9 to 14, the left and right side walls of the drawer body 10 are respectively provided with two sliding engagement portions 11, and the two sliding engagement portions 11 are distributed in the front-rear direction, and the drawer body 10 can be drawn in the front-rear direction. The drawer body 10 is formed with a notch 102, and a sliding fit portion 11 is correspondingly arranged at the notch 102. The reinforcement 30 is a plastic piece and comprises a first portion 31 and a second portion 32. The second portion 32 is located inside the notch 102 of the drawer body 10, and the second portion 32 abuts against the inner side wall of the drawer body 10. The first portion 31 is triangular in cross section perpendicular to the drawing direction and comprises a first inclined surface 301 and a supporting plane. Wherein the first portion 31 may be extended out of the notch 102 so that the first inclined surface 301 may be fitted to the sliding fit portion 11. And the slip fit portion 11 is connected to the reinforcement portion 30 by the second fixed connection 42.

As shown in fig. 15-19, the drawer bottom assembly 20 may include a bottom shell 21 and two support slides 22. Wherein, two supporting sliders 22 may be connected to left and right inner sidewalls of the bottom chassis 21, respectively, through first fixing connectors 41. The supporting sliding piece 22 defines a sliding groove 221, a flange 224, a first limiting protrusion 222 and a second limiting protrusion 223 are arranged on the side wall, close to the drawer body 10, of the sliding groove 221, a limiting plate 225 is arranged on the side wall, far away from the drawer body 10, of the sliding groove 221, and the first limiting protrusion 222 and the second limiting protrusion 223 are respectively located on two sides of the flange 224 and on two sides of the limiting plate 225 in the drawing direction.

As shown in fig. 1 to 8, the sliding engagement portions 11 at both sides of the drawer body 10 may be respectively inserted into the corresponding sliding grooves 221. The support plane of the first portion 31 of the reinforcement portion 30 is supported at the transition junction of the side wall of the sliding groove 221 and the flange 224.

As shown in fig. 1 to 8, the sliding groove 221 may guide the sliding engagement portion 11 and the reinforcement portion 30 in the front-rear direction to achieve drawing of the drawer body 10; the first and second limiting protrusions 222 and 223 limit the sliding engagement portion 11 and the reinforcement portion 30 in the front-rear direction to limit the range of travel of the drawer body 10; the stopper plate 225 and the side walls of the slide groove 221 can limit the slide engaging portion 11 and the reinforcing portion 30 in the up-down direction, and the two side walls of the slide groove 221 can limit the slide engaging portion 11 in the left-right direction to prevent the slide engaging portion 11 from coming out of the slide groove 221.

The reinforcing part 30 is formed into a plastic support, the sliding fit part 11 is formed into a drawer flanging, the supporting sliding piece 22 is formed into a sheet metal supporting piece, a sliding structure is formed, the sliding function is realized, the characteristics of the sheet metal piece and the plastic are utilized to realize the sliding function, the ball sliding rail structure in the related art is replaced, and the cost and the later maintenance cost are reduced.

Other constructions and operations of the drawer assembly 100 and the oven according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intermediaries, may be in communication with each other between the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the description herein, reference to the terms "embodiment," "specific embodiment," "example," and 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 invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A drawer assembly, comprising:

the drawer comprises a drawer body, wherein an accommodating cavity is formed in the drawer body, and two opposite outer side walls of the drawer body are respectively provided with a sliding fit part extending outwards and downwards in an inclined manner;

the drawer bottom shell assembly comprises a bottom shell and two supporting sliding parts, the two supporting sliding parts are fixed on two opposite inner side walls of the bottom shell, each supporting sliding part is provided with a sliding groove with an open top, the sliding matching parts extend into the sliding grooves on the corresponding sides, and the sliding matching parts are in sliding fit with the supporting sliding parts so that the drawer body can be pulled out;

in the drawing direction of the drawer body, at least one supporting sliding piece is provided with a first limiting protrusion and a second limiting protrusion which are arranged at intervals, and the sliding fit part is abutted against the first limiting protrusion or the second limiting protrusion to be matched with the first limiting protrusion or the second limiting protrusion so as to limit the drawing stroke of the drawer body;

the part of the side wall of the sliding groove, which faces the sliding fit part, is provided with a downward bent flanging, and the flanging is positioned between the first limiting protrusion and the second limiting protrusion.

2. The drawer assembly of claim 1, wherein a limiting plate is provided on a side wall of the sliding channel remote from the sliding engagement portion, the limiting plate being located above the sliding engagement portion to limit upward displacement of the sliding engagement portion.

3. The drawer assembly of claim 1, wherein the support slide is an integrally formed metal piece, the support slide being secured to the bottom shell by a first securing connection.

4. The drawer assembly of claim 1, wherein each of the outer side walls of the drawer body is provided with a plurality of the sliding engagement portions, the plurality of sliding engagement portions on the same side extending into the sliding grooves on the respective sides.

5. The drawer assembly of any of claims 1-4, further comprising a reinforcement portion secured to the drawer body and/or the slip fit portion, the reinforcement portion in contact with the slip fit portion to enhance the strength of the slip fit portion.

6. The drawer assembly of claim 5, wherein a portion of the drawer body is separated from the remaining portion and bent outwardly to define the slip fit portion, the reinforcement portion being secured to an inner wall of the slip fit portion.

7. The drawer assembly of claim 6, wherein the reinforcement portion is provided with a first inclined surface, an inclination angle of the first inclined surface is the same as an inclination angle of the sliding engagement portion, and the first inclined surface is disposed in contact with the sliding engagement portion.

8. The drawer assembly of claim 6, wherein the drawer body is provided with a notch corresponding to the slip fit portion, the reinforcement portion includes a first portion and a second portion, the first portion extends out of the notch to contact the slip fit portion, and the second portion is located inside the notch and rests against an inner wall of the drawer body.

9. The drawer assembly of claim 8, wherein the slip fit portion is provided with a first securing hole and the reinforcement portion is provided with a second securing hole, and a second securing connector passes through the first securing hole and mates with the second securing hole to fixedly connect the slip fit portion and the reinforcement portion.

10. The drawer assembly of claim 9, wherein the reinforcement is a plastic piece.

11. An oven comprising a drawer assembly according to any one of claims 1-10.