CN213421582U

CN213421582U - Shelf and household appliance with same

Info

Publication number: CN213421582U
Application number: CN202022497074.4U
Authority: CN
Inventors: 姚君
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-11
Anticipated expiration: 2030-10-30

Abstract

The utility model belongs to the technical field of domestic appliance, concretely relates to shelf and domestic appliance who has shelf, this shelf is including activity shelf, elevating system and locking mechanical system, and elevating system connects on the activity shelf, and elevating system sets to the position that changes the activity shelf, and locking mechanical system has locking state and unblock state, and wherein, under locking state, locking mechanical system locks elevating system with fixed activity shelf, under unblock state, locking mechanical system unblock elevating system is with release activity shelf. According to the utility model discloses the shelf, under elevating system's effect, the position of activity shelf changes to satisfy different article to the requirement in space, improved the utilization ratio to storing space. The movable shelf is locked by the locking mechanism after being adapted to the size of the article, so that the damage to the article caused by the movement of the movable shelf is avoided.

Description

Shelf and household appliance with same

Technical Field

The utility model belongs to the technical field of domestic appliance, concretely relates to shelf and domestic appliance who has the shelf.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The shelf is mainly applied to various storage spaces, and can divide one storage space into a plurality of small spaces through the shelf, so that the storage space is effectively utilized. However, most of the prior shelves are fixed on the inner wall of the storage device, that is, the positions of the shelves cannot be changed, but the sizes of articles are not fixed during storage, so that large articles cannot be put in, the upper space of small articles is idle, and the storage space is wasted. This problem is particularly evident in the household appliances we often use, such as refrigerators, where people are used to store various daily foods, beverages, fruits. At present, most refrigerators are generally provided with a plurality of shelves and positioning grooves in the refrigerating chamber, the number of the positioning grooves is more than that of the shelves, the positioning grooves and the positioning grooves at different positions are matched through the shelves to adapt to the size of the articles, but the position of one of the shelves is adjusted to sacrifice the space of the shelves at other layers, and the mode can meet the requirement of storing the articles but relatively reduces the utilization rate of the space of the refrigerator. To this kind of problem, additionally install the lift supporter that can dismantle again on the basis of the shelf in the storing space among the prior art, but the supporter of extra increase can occupy original storing space, still has the extravagant problem in space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of low utilization ratio of the storage space in the prior art at least. The purpose is realized by the following technical scheme:

a first aspect of the present invention provides a shelf, comprising:

a movable shelf;

a lifting mechanism connected to the movable shelf, the lifting mechanism configured to change a position of the movable shelf;

a locking mechanism having a locked state and an unlocked state;

wherein, in the locked state, the locking mechanism locks the lifting mechanism to fix the movable shelf, and in the unlocked state, the locking mechanism unlocks the lifting mechanism to release the movable shelf.

According to the utility model discloses the shelf, under elevating system's effect, the position of activity shelf changes to satisfy different article to the requirement in space, improved the utilization ratio to storing space. The movable shelf is locked by the locking mechanism after being adapted to the size of the article, so that the damage to the article caused by the movement of the movable shelf is avoided.

In some embodiments of the present invention, the locking mechanism is disposed on the lifting mechanism, the locking mechanism includes:

a locking member provided on the lifting mechanism;

the matching piece is arranged on the lifting mechanism;

the first elastic piece is arranged between the matching piece and the lifting mechanism, and is in a compressed state in the unlocking state;

wherein, in the locking state, the fitting piece with the locking piece cooperation is in order to lock elevating system, in the unblock state, the fitting piece with the locking piece separation is in order to unblock elevating system.

In some embodiments of the present invention, the locking member is provided with a plurality of locking grooves, the locking member being configured to rotate relative to the lifting mechanism to switch between the locked state and the unlocked state;

wherein, under the locking state, the fitting piece with different the spacing cooperation of locking groove is in order to lock elevating system under the unlocking state, the fitting piece with the locking groove separation is in order to unblock elevating system.

In some embodiments of the present invention, the locking groove comprises:

a first locking surface;

the first locking surface is connected to the second locking surface, and an included angle smaller than 180 degrees is formed between the first locking surface and the second locking surface.

In some embodiments of the present invention, the locking mechanism further comprises:

an operating member coupled to the locking member, the operating member configured to provide an operating point for a user;

the second elastic piece, the second elastic piece sets up operating parts with between the activity shelf under the unblock state, the second elastic piece is compression state, the second elastic piece sets up to the drive the locking piece by the unblock state switches to the locking state.

In some embodiments of the present invention, the shelf further comprises a bracket, and the lifting mechanism connects the bracket and the movable shelf.

In some embodiments of the present invention, the lifting mechanism comprises:

the lifting piece is arranged on the lifting piece, the lifting piece is rotatably connected to the support, and the lifting piece is in sliding connection with the movable shelf.

In some embodiments of the present invention, the lifting mechanism further comprises a fixing member, the lifting member is rotatably connected to the fixing member, the locking member is slidably connected to the fixing member, and the fitting member and the first elastic member are both disposed in the fixing member, and the fixing member is configured to support the movable shelf.

In some embodiments of the invention, the shelf further comprises an auxiliary mechanism, the auxiliary mechanism being arranged to connect the lifting mechanism with the movable shelf, the auxiliary mechanism comprising an auxiliary piece in sliding connection with the mounting, the auxiliary piece passing through the mounting to be connected to the lifting mechanism, and the auxiliary piece being parallel to the locking piece.

A second aspect of the present invention provides a household appliance, comprising a shelf according to any of the above technical solutions.

The household appliance of the embodiment of the invention has the same advantages as the shelf, and the description is omitted.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

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

FIG. 2 is a schematic perspective view of the shelf of FIG. 1 with the movable shelf raised and in a locked position;

FIG. 3 is a schematic perspective view of the first lifting mechanism, the second lifting mechanism and the locking mechanism of the shelf of FIG. 2 in a locked state;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is an enlarged schematic view of the structure shown at B in FIG. 5;

FIG. 7 is an exploded schematic view of the first lift mechanism, the second lift mechanism and the locking mechanism of the shelf of FIG. 1;

FIG. 8 is a schematic perspective view of the shelf of FIG. 1 in an unlocked position with the movable shelf raised;

FIG. 9 is a schematic perspective view of the first lifting mechanism, the second lifting mechanism and the locking mechanism of the shelf of FIG. 8 in an unlocked state;

FIG. 10 is a front view of FIG. 9;

FIG. 11 is a schematic cross-sectional view taken at B-B of FIG. 10;

FIG. 12 is an enlarged view of the structure shown in FIG. 11 at D;

FIG. 13 is a schematic perspective view of the shelf of FIG. 2 showing the other direction of the first lifting mechanism, the second lifting mechanism and the locking mechanism in a locked condition;

fig. 14 is a schematic perspective view of a connection between a household appliance and a shelf according to an embodiment of the present invention.

The reference symbols in the drawings denote the following:

1. a movable shelf; 11. a first accommodation area; 12. a second containment region;

2. a first lifting mechanism; 21. a first lifting member; 22. a first fixing member; 211. a first rotating section; 212. A first intermediate portion; 213. a first support section;

3. a second lifting mechanism; 31. a second lifting member; 32. a second fixing member; 311. a second rotating part; 312. A second intermediate portion; 313. a second support portion; 321. a first buckle; 322. a second buckle;

4. a locking mechanism; 41. a locking member; 42. a first mating member; 43. a second mating member; 44. a first elastic member; 45. an operating member; 46. a second elastic member; 411. a first locking groove; 412. a second locking slot; 413. A rotation stopping surface; 4121. a first locking surface; 4122. a second locking surface;

5. a support; 51. a fixed shelf; 52. fixing a bracket;

6. an auxiliary mechanism; 61. an auxiliary member; 62. a third fixing member; 63. a fourth fixing member;

7. a household appliance.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 13, a shelf according to an embodiment of the present invention includes:

a movable shelf 1;

the lifting mechanism is connected to the movable shelf 1 and is arranged to change the position of the movable shelf 1;

a lock mechanism 4, the lock mechanism 4 having a locked state and an unlocked state;

wherein in the locked state the locking mechanism 4 locks the lifting mechanism to fix the movable shelf 1 and in the unlocked state the locking mechanism 4 unlocks the lifting mechanism to release the movable shelf 1.

According to the utility model discloses shelf, shelf are applicable to furniture, supporter or domestic appliance 7 etc. and explain below with the shelf is used for domestic appliance 7. The shelf can be fixed inside the household appliance 7 through processing and manufacturing, can also be detachably connected inside the household appliance 7 through a positioning groove or a hanging mode, and can also be directly placed outside the household appliance 7, such as the top or the side, and the shelf can be detachably connected inside the household appliance 7 through a positioning groove or a hanging mode for specific description. The shelf comprises a movable shelf 1, a lifting mechanism and a locking mechanism 4, the lifting mechanism is detachably connected inside the household appliance 7 in a positioning groove or suspension mode, and the lifting mechanism is used for supporting the movable shelf 1 and the locking mechanism 4. The movable shelf 1 and the interior of the household appliance 7 form an upper article accommodating cavity and a lower article accommodating cavity, and the position of the movable shelf 1 relative to the household appliance 7 is changed through the lifting mechanism so as to adapt to the size of the articles. Elevating system drive activity shelf 1 rises, and the article of activity shelf 1 below holds the chamber and enlarges, can place the great article of size, and the article of activity shelf 1 top holds the chamber and reduces, can place the less article of size or also can not place article, and the article that holds the chamber and all shift the activity shelf 1 top to the article of below hold the chamber to match the article of more sizes, improve utilization ratio and the application scope to the space, realize the article and hold the stepless regulation of the size in chamber. Among the prior art, additionally install a lift supporter that can dismantle again on the basis of former shelf, but the supporter of extra increase can occupy original storing space, and this application directly replaces former shelf with the shelf that has elevating system, has solved the problem among the prior art. The movable shelf 1 is adjusted to be matched with the size of the article through the lifting mechanism according to the size of the article and then is locked through the locking mechanism 4, hovering of the movable shelf 1 at any position in the lifting range of the lifting mechanism is achieved, the lifting mechanism is locked through the locking mechanism 4, then the movable shelf 1 is locked, damage to the article caused by any movement of the movable shelf 1 is avoided, and reliability of the shelf is improved.

It should be noted that there are various ways to achieve the lifting of the movable shelf 1, such as a cylinder, a telescopic rod mechanism, a nut screw mechanism, a scissor type lifting mechanism, or a modified form of the scissor type lifting mechanism. There are many ways to achieve locking of the elevator mechanism after lifting, such as pinning, screwing, bracing or restricting movement of the elevator mechanism from two opposite directions. The locking mechanism 4 can be arranged on the lifting mechanism, can also be arranged on the movable shelf 1, and can also be used as a separate part for taking when in use.

In some embodiments of the present invention, the movable shelf 1 may be circular, oval or polygonal, and in one embodiment, the movable shelf 1 is a plate-shaped structure of a rectangular parallelepiped.

In some embodiments of the invention, in one embodiment, the lift mechanism is a modified form of a scissor lift mechanism. In order to improve the stability of the movable shelf 1 during the lifting process, at least one set of lifting mechanisms is provided, in one embodiment, two sets of lifting mechanisms are provided, as shown in fig. 1, 3, 4, 7, 8, 9, 10 and 13, which are respectively a first lifting mechanism 2 and a second lifting mechanism 3, the first lifting mechanism 2 and the second lifting mechanism 3 are oppositely arranged, and the first lifting member 21 and the second lifting member 31 are both rotatably connected with the household appliance 7, and the first lifting mechanism 2 and the second lifting mechanism 3 provide support for the movable shelf 1 from different directions. Specifically, the first lifting mechanism 2 includes the first lifting member 21, the second lifting mechanism 3 includes the second lifting member 31, and the locking mechanism 4 is disposed on the first lifting member 21 or the second lifting member 31, so long as the locking mechanism 4 can lock at least one of the first lifting member 21 and the second lifting member 31. The first lifting member 21 and the second lifting member 31 are both in contact with the movable shelf 1, and when the height of the movable shelf 1 is at a non-limit position, extension lines of the first lifting member 21 and the second lifting member 31 intersect at a point to form a scissor type. The height of the first and

second lifters

21 and 31 is varied by the rotation of the first and

second lifters

21 and 31 with respect to the household appliance 7, thereby enabling the adjustment of the position of the movable shelf 1. The connection of the first lifter 21 to the household appliance 7 and the movable shelf 1 will be described in detail below. The number of the first lifting/lowering members 21 may be one, two or more, and in one embodiment, in order to reduce the number of parts, the first lifting/lowering member 21 is one, but it is necessary to ensure that the first lifting/lowering member 21 can contact the movable shelf 1 as much as possible. Therefore, as shown in fig. 7 and 9, the first elevating member 21 includes a first rotating portion 211, a first intermediate portion 212, and a first supporting portion 213, the first rotating portion 211 being rotatably connected with the home appliance 7, the first supporting portion 213 being for supporting the movable shelf 1, and the first intermediate portion 212 being for connecting the first rotating portion 211 and the first supporting portion 213. The axis of the first rotating part 211 is perpendicular to the axis of the first middle part 212, the axis of the first supporting part 213 is perpendicular to the axis of the first middle part 212, the axis of the first rotating part 211 is parallel to the axis of the first supporting part 213, and the shape of the first supporting part 213 can be directly formed by processing injection molding or bending process. Through the rotation of first rotation portion 211 relative domestic appliance 7, realize the rotation of first supporting part 213 relative domestic appliance 7, and then realize the change of activity shelf 1 position, the change of position includes horizontal direction and vertical direction, in the in-process that activity shelf 1 removed, the removal of horizontal direction is undesired, therefore be sliding connection between first supporting part 213 and the activity shelf 1, shift the removal of position in the horizontal direction to first supporting part 213, when first rotation portion 211 rotates relative domestic appliance 7, first supporting part 213 has the removal in the horizontal direction and the removal in the vertical direction simultaneously, only transmit the removal in the vertical direction to activity shelf 1 through sliding connection. Similarly, as shown in fig. 7 and 9, the number of the second lifting member 31 may be one, two or more, and in one embodiment, in order to reduce the number of parts, the number of the second lifting member 31 is one, but it is required to ensure that the second lifting member 31 can contact the movable shelf 1 as much as possible. Therefore, the second lifting and lowering member 31 includes a second rotating portion 311, a second intermediate portion 312, and a second supporting portion 313, the second rotating portion 311 being rotatably connected with the home appliance 7, the second supporting portion 313 being for supporting the movable shelf 1, and the second intermediate portion 312 being for connecting the second rotating portion 311 and the second supporting portion 313. The axis of the second rotating part 311 is perpendicular to the axis of the second middle part 312, the axis of the second supporting part 313 is perpendicular to the axis of the second middle part 312, the axis of the second rotating part 311 is parallel to the axis of the second supporting part 313, and the shape of the second supporting part 313 can be directly formed by processing injection molding or bending process. The rotation of the first supporting part 213 relative to the household appliance 7 is realized through the rotation of the second rotating part 311 relative to the household appliance 7, and further, the change of the position of the movable shelf 1 is realized, the change of the position comprises a horizontal direction and a vertical direction, in the moving process of the movable shelf 1, the horizontal direction movement is not expected, therefore, the second supporting part 313 is in sliding connection with the movable shelf 1, the horizontal direction movement is transferred to the second supporting part 313, when the second rotating part 311 rotates relative to the household appliance 7, the second supporting part 313 simultaneously has the horizontal direction movement and the vertical direction movement, and only the vertical direction movement is transmitted to the movable shelf 1 through the sliding connection.

In some embodiments of the present invention, according to the above, the lifting mechanisms are provided in two sets to increase the stability of the movable shelf 1 during the lifting process, only one set of lifting mechanisms needs to be locked, and the lifting mechanisms and the locking mechanisms 4 may be in a one-to-one relationship or a one-to-many or many-to-one relationship, and in one embodiment, the locking mechanisms 4 are provided in one set, as shown in fig. 3, 4, 5, 7, 9, 10 and 11, and the first lifting mechanism 2 and the second lifting mechanism 3 are simultaneously locked by the set of locking mechanisms 4, which is in a one-to-many relationship, and is specifically described below. In order to reduce the operation complexity of the user, the locking mechanism 4 is disposed on the first lifting mechanism 2 and the second lifting mechanism 3, and after the first lifting mechanism 2 and the second lifting mechanism 3 complete position adjustment, the locking mechanism 4 can lock the first lifting mechanism 2 and the second lifting mechanism 3, that is, it is to be ensured that the position of the movable shelf 1 does not move. As shown in fig. 3, 4, 5, 7, 9, 10, and 11, the locking mechanism 4 includes a locking member 41, a first engaging member 42, and a second engaging member 43, the first engaging member 42 is disposed on the first elevating member 21, the second engaging member 43 is disposed on the second elevating member 31, in the locking state, the first engaging member 42 and the second engaging member 43 engage with the locking member 41 to lock the first elevating member 21 and the second elevating member 31, and the first engaging member 42 and the second engaging member 43 can be inserted into the locking member 41 or the first engaging member 42 and the second engaging member 43 can be in limit engagement with a groove or a protrusion provided on the locking member 41. In the unlocked state, the first and second engaging

members

42 and 43 are separated from the locking member 41 to unlock the first and second elevating

members

21 and 31, that is, the first and second engaging

members

42 and 43 are withdrawn from the inside of the locking member 41 or separated from the groove or protrusion provided on the locking member 41. As shown in fig. 5, 6, 7, 11 and 12, the engagement or disengagement of the locking member 41 with the first engaging member 42 and the second engaging member 43 is performed by the user's own operation, in order to further reduce the user's operation, a first elastic member 44 is further disposed between the first engaging member 42 and the second engaging member 43 and the first lifting member 21 and the second lifting member 31, and the first elastic member 44 is in a compressed state in the unlocked state, that is, in a state where the first engaging member 42 and the second engaging member 43 are disengaged from the locking member 41, the first elastic member 44 is in a compressed state and has a certain elastic force, when the locking mechanism 4 is operated by the user to enter the locked state, the elastic force of the first elastic member 44 can drive the first engaging member 42 and the second engaging member 43 to engage with the locking member 41 to lock the first lifting member 21 and the second lifting member 31, and when the locking mechanism 4 is operated by the user to enter the unlocked state, the first and second engagement members 42 and 43 are separated from the locking member 41, the locking member 41 presses the first and second engagement members 42 and 43, and the first and second engagement members 42 and 43 press the first resilient member 44.

The first elastic member 44 is a cylindrical spring. The first fitting piece 42 and the second fitting piece 43 are arranged on the lifting mechanism, the locking piece 41 is only in contact with the first fitting piece 42 and the second fitting piece 43 when locking is needed, connection is not guaranteed all the time, the position of the movable shelf 1 can be changed by contact between the lifting mechanism and the movable shelf 1, and whether contact exists between the locking piece 41 and the movable shelf 1 is not limited.

In some embodiments of the present invention, the engagement between the first and

second engagement members

42, 43 and the locking member 41 can be achieved by: first, a fixing hole is provided on the locking member 41, and the first fitting member 42 and the second fitting member 43 are provided with structures that fit with the fixing hole, and the first fitting member 42 and the second fitting member 43 are inserted into the fixing hole and fit with the fixing hole; secondly, a groove is arranged on the locking piece 41, a structure matched with the groove is arranged on the first matching piece 42 and the second matching piece 43, and the first matching piece 42 and the second matching piece 43 are inserted into the groove and matched with the groove; thirdly, a protrusion is provided on the locking member 41, a structure for engaging with the protrusion is provided on the first engaging member 42 and the second engaging member 43, and the first engaging member 42 and the second engaging member 43 are inserted into the protrusion to engage with the protrusion. The engagement between the first engaging element 42 and the second engaging element 43 and the locking element 41 is exemplified above, but the present invention is not limited to the above engagement, and other manners are within the scope of the present application. As shown in fig. 5, 6, 7, and 9 to 12, in one embodiment, the locking member 41 is provided with a plurality of first locking grooves 411 and a plurality of second locking grooves 412, the first locking grooves 411 and the second locking grooves 412 are symmetrically disposed at both sides of the locking member 41, and the plurality of first locking grooves 411 and the plurality of second locking grooves 412 are uniformly disposed on the locking member 41 at intervals. The first engaging member 42 engages with the first locking slot 411 at different positions to lock and unlock the first lifting member 21 at different positions, that is, to switch the first lifting member 21 between the locked state and the unlocked state. The second engaging element 43 engages with the second locking groove 412 at different positions to lock and unlock the second lifting element 31 at different positions, that is, to switch the second lifting element 31 between the locked state and the unlocked state. The locking member 41 has a cylindrical structure, and the first locking groove 411 and the second locking groove 412 are provided only in a partial region of the locking member 41, that is, the first locking groove 411 and the second locking groove 412 are not provided around the circumference of the locking member 41, and the first locking groove 411 and the second locking groove 412 are not provided in a partial region of the locking member 41. The first lifter 21 is locked and unlocked by the first fitting piece 42 in cooperation with the side provided with the first locking groove 411 and the side not provided with the first locking groove 411, and the second lifter 31 is locked and unlocked by the second fitting piece 43 in cooperation with the side provided with the second locking groove 412 and the side not provided with the second locking groove 412. Locking or unlocking in cooperation with different positions of the locking member 41 is achieved by rotation of the locking member 41. When the locking member 41 is rotated to the state that the first locking groove 411 is engaged with the first engaging member 42 and the second locking groove 412 is engaged with the second engaging member 43 to lock the first lifting member 21 and the second lifting member 31, that is, to place the first lifting member 21 and the second lifting member 31 in the locked state, the locking member 41 is rotated to the state that the first locking groove 411 is engaged with the first engaging member 42 and the second locking groove 412 is engaged with the second engaging member 43, that is, to place the first engaging member 42 and the second engaging member 43 in the locked state, to unlock the first lifting member 21 and the second lifting member 31, that is, to place the first lifting member 21 and the second lifting member 31 in the unlocked state.

Wherein the first and second locking

grooves

411 and 412 may have arc-shaped grooves, cuspate-shaped grooves, or polygonal-shaped grooves, as shown in fig. 6 and 12, in one embodiment, the first and second locking

grooves

411 and 412 have cuspate-shaped grooves, the first and second locking

grooves

411 and 412 each include first and

second locking surfaces

4121 and 4122, the first and

second locking surfaces

4121 and 4122 are connected, but an included angle of less than 180 ° is formed between the first and

second locking surfaces

4121 and 4122, the first and

second lifting members

21 and 31 are restricted from moving in a horizontal direction by the first and

second locking surfaces

4121 and 4122, and it is said that the change of the position of the movable shelf 1 includes a change of a horizontal direction and a change of a vertical direction, the horizontal direction includes X and Y directions, and the changes of the X and Y directions in the horizontal direction are restricted by the first and

second locking surfaces

4121 and 4122, that is, the change of the positions of the first elevating mechanism 2 and the second elevating mechanism 3 is restricted, thereby achieving the locking of the movable shelf 1.

In some embodiments of the present invention, the rotation of the locking member 41 is realized by user operation, but since the operation space provided to the user by the rod-shaped structure is small, it is necessary to provide an operation point for the user in addition so as to facilitate the user to rotate the locking member 41. Specifically, as shown in fig. 1 to 5, 7 to 11, 13 and 14, the locking mechanism 4 further includes an operating member 45, the operating member 45 is connected to the locking member 41, the operating member 45 is configured to provide an operating point for a user, the user applies an acting force to the operating member 45, the operating member 45 drives the locking member 41 to rotate to an unlocking state, the position of the movable shelf 1 is adjusted, and after the position is adjusted to a required position, the user operates the operating member 45 to drive the locking member 41 to return to the locking state. The operating member 45 may be a handle that is always connected to the locking member 41, or a handle that is engaged with the locking member 41 when in use, in one embodiment, the operating member 45 is always connected to the locking member 41 when in use, and may be a threaded connection, an insertion connection, or an integrated structure, in one embodiment, the operating member 45 is inserted into the locking member 41, and the locking member 41 rotates by rotating the operating member 45, that is, the operating member 45 and the locking member 41 rotate synchronously, so as to avoid interruption of transmission of actuating force caused by relative rotation between the operating member 45 and the locking member 41, as shown in fig. 7, at least one rotation stop surface 413 is provided on the locking member 41, and the operating member 45 and the locking member 41 are engaged to rotate synchronously in a contour matching manner.

As shown in fig. 1 to 5, 7 to 11, 13 and 14, the operating member 45 is provided with a hollow structure, so that on one hand, the operation by a user is facilitated, and on the other hand, the shelf is lighter in weight, but the strength and rigidity of the shelf are not affected.

In some embodiments of the present invention, in order to reduce the operation complexity of the user, a second elastic member 46 is provided between the operation member 45 and the movable shelf 1, as shown in fig. 3 to 5, 7, and 9 to 11, and in the unlocked state, the second elastic member 46 is in a compressed state. When a user applies acting force to the operating part 45 to enable the locking mechanism 4 to be in an unlocking state, the second elastic part 46 is in a compression state to generate certain elastic force, when the user does not apply acting force to the operating part 45 any more, the operating part 45 is driven to drive the locking part 41 to automatically recover to a locking state under the action of the elastic force, the lifting mechanism is automatically locked, the locking reliability is improved, and the operation of the user is reduced.

Wherein the second elastic member 46 is a torsion spring, one end of the second elastic member 46 is connected to the movable shelf 1, and the other end of the second elastic member 46 is connected to the operating member 45 or the locking member 41, and in one embodiment, the other end of the second elastic member 46 is connected to the operating member 45.

In some embodiments of the present invention, it is said in the foregoing that the lifting mechanism has the supporting function of the movable shelf 1 and the function of lifting the movable shelf 1 at the same time, which is higher in the requirements for strength and rigidity of the lifting mechanism, therefore, a support 5 can be additionally added, as shown in fig. 1, fig. 2, fig. 8, fig. 13 and fig. 14, the support as the lifting mechanism also serves as the re-support of the movable shelf 1, according to the foregoing, the lifting mechanism is rotatably connected to the household appliance 7, after the support 5 is added, that is, the support 5 is detachably connected to the inside of the household appliance 7 through a positioning groove or a suspension manner, and the lifting mechanism is rotatably connected to the support 5.

In some embodiments of the present invention, as shown in fig. 13, the movable shelf 1 is provided with a first accommodation area 11 and a second accommodation area 12, the first accommodation area 11 is configured to accommodate the operation member 45, and the second accommodation area 12 is configured to accommodate the lifting mechanism and the locking mechanism 4. Parts are hidden inside as much as possible through the first accommodating area 11 and the second accommodating area 12, and the occupied space is reduced, so that the utilization rate of the storage space is improved.

In some embodiments of the present invention, the locking mechanism 4 is provided on the lifting mechanism according to the above, and an additional fixing structure is added to improve the reliability of the connection between the lifting mechanism and the locking mechanism 4. As shown in fig. 1, 2 to 7, and 9 to 13, the first lifting mechanism 2 further includes a first fixing member 22, the locking member 41 and the first lifting member 21 are both rotatably connected to the first fixing member 22, the rotational connection between the locking member 41 and the first fixing member 22 realizes whether the first engaging member 42 is engaged with the first locking groove 411, the first lifting member 21 is slidably connected to the locking member 41 through the first fixing member 22, the horizontal movement in the rotation of the first lifting member 21 is transferred to the sliding movement relative to the locking member 41, only the vertical movement is transferred to the movable shelf 1, after the first lifting member 21 and the locking member 41 are fixed by the first fixing member 22, the first engaging member 42 and the first elastic member 44 can be also placed inside the first fixing member 22, the first fixing member 22 plays a role of fixing and limiting, the locking member 41 rotates in the first fixing member 22 to realize whether the first locking groove 411 is engaged with the first engaging member 42 to realize locking or unlocking . Similarly, the second lifting mechanism 3 further comprises a second fixing element 32, the locking element 41 and the second lifting element 31 are both rotatably connected to the second fixing element 32, the rotatable connection between the locking element 41 and the second fixing element 32 realizes whether the second matching element 43 is matched with the second locking groove 412, the second lifting element 31 is slidably connected to the locking element 41 through the second fixing element 32, the movement in the horizontal direction in the rotation of the second lifting element 31 is transferred to the sliding movement relative to the locking element 41, only the movement in the vertical direction is transferred to the movable shelf 1, after the second lifting element 31 and the locking element 41 are fixed through the second fixing element 32, the second fitting member 43 and the first resilient member 44 may also be placed in the interior of the second fixing member 32, the second fixing element 32 plays a role of fixing and limiting, and the locking element 41 rotates in the second fixing element 32 to realize whether the second locking groove 412 is matched with the second matching element 43 or not, so as to realize locking or unlocking. In addition, the upper surfaces of the first fixing member 22 and the second fixing member 32 are both flat surfaces, and the flat surfaces are in contact with the lower surface of the movable shelf 1, so that the contact area between the lifting mechanism and the movable shelf 1 is increased, and the stability of the movable shelf 1 in the lifting process is further increased.

However, the direction of the elastic force output by the first elastic member 44 may not coincide with the direction in which the first engaging member 42 should move, and thus cannot engage with the first locking groove 411, as shown in fig. 7, a first guide portion is provided on the first fixing member 22, the first engaging member 42 engages with the first guide portion in a contour matching manner, and the moving direction of the first engaging member 42 is limited by the first guide portion. Similarly, a second guide portion is provided on the second fixing element 32, and the second fitting element 43 is fitted with the second guide portion in a contour matching manner, and the moving direction of the second fitting element 43 is defined by the second guide portion. The first guide part and the second guide part have various arrangement modes.

In some embodiments of the present invention, according to the above, the movable shelf 1 has a rectangular structure, the lower part of the movable shelf is contacted with the first fixing member 22 and the second fixing member 32 to ensure the effectiveness of synchronous lifting, but there are positions where the first fixing member 22 and the second fixing member 32 are arranged, which cannot satisfy the requirements of the rectangular movable shelf 1 for synchronous lifting, and in addition, the number of contact points between the lifting mechanism and the movable shelf 1 is positively related to the stability of lifting, so that the auxiliary mechanism 6 can be added, as shown in fig. 1, 3, 4, 9 and 10, the auxiliary mechanism 6 includes a third fixing member 62, a fourth fixing member 63 and an auxiliary member 61, the auxiliary member 61 has a structure similar to that of the locking member 41 except that the first locking groove 411 and the second locking groove 412 are not provided, the auxiliary member 61 and the locking member 41 are symmetrically arranged with respect to the movable shelf 1, the first lifting member 21 is connected with the auxiliary member 61 through the third fixing member 62, the first lifting member 21 is rotatably connected with the third fixing member 62, the auxiliary member 61 is slidably connected with the third fixing member 62, the movement in the horizontal direction during the rotation of the first lifting member 21 is transferred to the sliding relative to the auxiliary member 61, and only the movement in the vertical direction is transferred to the movable shelf 1. Similarly, the second lifting member 31 is connected with the auxiliary member 61 through the fourth fixing member 63, the second lifting member 31 is rotatably connected with the fourth fixing member 63, the auxiliary member 61 is slidably connected with the fourth fixing member 63, the movement in the horizontal direction in the rotation of the second lifting member 31 is transferred to the sliding relative to the auxiliary member 61, and only the movement in the vertical direction is transferred to the movable shelf 1. The first fixing member 22, the second fixing member 32, the third fixing member 62 and the fourth fixing member 63 are simultaneously contacted with the lower surface of the movable shelf 1, so that the contact area is increased, the movement of the lifting mechanism in the vertical direction is transmitted to the movable shelf 1, and the effectiveness of synchronous lifting of all parts of the movable shelf 1 is ensured.

Because the first lifting element 21 and the second lifting element 31 are bent structures, in order to facilitate installation, as shown in fig. 7, the first fixing element 22, the second fixing element 32, the third fixing element 62, and the fourth fixing element 63 all include two parts, namely a first buckle 321 and a second buckle 322, the first buckle 321 and the second buckle 322 are both provided with grooves, and the first buckle 321 and the second buckle 322 are fastened and fixed on the first lifting element 21 and the second lifting element 31. Since the locking member 41 and the auxiliary member 61 are cylindrical structures, only the through hole is provided on the first catch 321, and the locking member 41 and the auxiliary member 61 are slidably connected through the through hole.

As shown in fig. 14, the embodiment of the present invention also proposes a household appliance 7, and the household appliance 7 includes the shelf in the above embodiment.

The household appliance 7 of the embodiment of the present invention has the same advantages as the above-mentioned shelf, and will not be described herein again.

In some embodiments of the present invention, the household appliance 7 may be a refrigerator, an oven, a microwave oven, a dishwasher, etc., and in one embodiment, the household appliance 7 is a refrigerator.

In some embodiments of the present invention, the storage space is formed inside the household space, the storage space includes a length-directional size and a width-directional size, the width-directional size of the movable shelf 1 is equal to the width-directional size of the storage space, and the length-directional size of the movable shelf 1 is smaller than or equal to the length-directional size of the storage space. When the size of the movable shelf 1 in the length direction is smaller than the size of the storage space in the length direction, the bracket 5 comprises a fixed bracket 52 and a fixed shelf, the fixed bracket 52 is fixed in the household appliance 7, the lifting mechanism is rotatably connected to the fixed shelf 51, the size of the fixed bracket 52 in the length direction is equal to the size of the storage space in the length direction, the fixed partition plate is arranged on the fixed bracket 52, the sum of the sizes of the fixed shelf 51 and the movable shelf 1 in the length direction is equal to the size of the storage space in the length direction, the fixed shelf 51 is used for placing articles, when the lifting height of the movable shelf 1 is 0, the movable shelf 1 and the fixed shelf 51 are on the same plane and can be regarded as a complete shelf, when the sizes of the article accommodating cavities above and below the shelf are required to be adjusted according to the requirements of the articles, acting force is applied to the, the locking mechanism 4 is caused to unlock the elevating mechanism to adjust the position of the movable shelf 1, the movable shelf 1 being at a different height position from the fixed shelf 51. When the length-wise dimension of the movable shelf 1 is equal to the length-wise dimension of the storage space, the difference is that the movable shelf 1 as a whole achieves height position adjustment without further including the fixed shelf 51. In one embodiment, as shown in fig. 1, 2, 8, 13 and 14, the support 5 includes a fixed support 52 and a fixed shelf 51, and the number of the fixed shelf 51 and the movable shelf 1 is at least one, so as to divide the storage space into a plurality of article receiving cavities as much as possible.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A shelf, comprising:

a movable shelf;

a locking mechanism having a locked state and an unlocked state;

2. The shelf of claim 1, wherein the locking mechanism is disposed on the lifting mechanism, the locking mechanism comprising:

a locking member provided on the lifting mechanism;

the matching piece is arranged on the lifting mechanism;

3. A shelf according to claim 2, wherein the locking member is provided with a plurality of locking slots, the locking member being arranged to rotate relative to the lifting mechanism to switch between the locked and unlocked conditions;

4. The shelf of claim 3, wherein the locking slot comprises:

a first locking surface;

5. The shelf of claim 2, wherein the locking mechanism further comprises:

6. The shelf of claim 2, further comprising a bracket, wherein the lifting mechanism connects the bracket and the movable shelf.

7. The shelf of claim 6, wherein the lifting mechanism comprises:

8. The shelf of claim 7, wherein the lifting mechanism further comprises a fixed member, the lifting member is rotatably connected to the fixed member, the locking member is slidably connected to the fixed member, and the engaging member and the first resilient member are both disposed within the fixed member, the fixed member being configured to support the movable shelf.

9. A shelf according to claim 8, further comprising an auxiliary mechanism arranged to connect the lifting mechanism and the movable shelf, the auxiliary mechanism comprising an auxiliary member in sliding connection with the fixing member, the auxiliary member being connected to the lifting mechanism via the fixing member and the auxiliary member being parallel to the locking member.

10. A domestic appliance comprising a shelf according to any one of claims 1 to 9.