CN111059857A

CN111059857A - Refrigerator with a door

Info

Publication number: CN111059857A
Application number: CN201811511997.1A
Authority: CN
Inventors: 马坚; 杨发林; 程莎莎; 徐志国
Original assignee: Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Co Ltd
Priority date: 2018-12-11
Filing date: 2018-12-11
Publication date: 2020-04-24
Anticipated expiration: 2038-12-11
Also published as: CN111059857B

Abstract

The invention provides a refrigerator which comprises a refrigerator body, a plurality of drawers and at least one linkage mechanism. The linkage mechanism is arranged between a group of two adjacent drawers. When the lower drawer moves forwards, the lower drawer drives the upper drawer to synchronously move forwards to a middle position, and then the linkage is released, so that the upper drawer stays at the middle position, and the lower drawer can continuously move forwards; each linkage mechanism comprises a push block and is arranged at the top of the drawer at the lower side; the movable stop block can be arranged on the transverse side wall of the upper drawer in a transversely movable manner; the compression spring is used for applying elastic force to the movable stop block to urge the movable stop block away from the drawer; the convex part is positioned on the transverse side wall of the storage compartment; when two adjacent drawers are closed, the pushing block is attached to the rear side of the movable stop block, and when the lower drawer moves forwards, the pushing block pushes the movable stop block so as to drive the upper drawer to move forwards; when the upper drawer is in the middle position, the moving stop block is pressed by the convex part to overcome the elasticity, and the moving stop block moves from the original position to the direction close to the drawer to be separated from the push block, so that the two adjacent drawers are released from linkage.

Description

Refrigerator with a door

Technical Field

The invention relates to a refrigerating and freezing device, in particular to a refrigerator.

Background

A drawer is generally provided in a part of the storage compartment of the existing refrigerator, particularly in the freezing compartment. However, as technology has developed, the storage compartments have become larger, and it is preferable to provide multiple drawers in one storage compartment. The user can use the refrigerator by pulling out the drawers one by one, but the mode is time-consuming and labor-consuming, and the user experience is not high.

In addition, a single drawer type storage compartment is often provided with a pull-out door. The pull-type door body is fixed on the drawer, and the drawer is pulled by pulling the door body. However, if a multi-layer drawer is provided, how to connect the pull-out door body and the multi-layer drawer for the convenience of the user becomes a problem to be solved urgently.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provide a refrigerator capable of synchronously opening multiple layers of drawers.

The further purpose of the invention is to make the mechanism for realizing the synchronous opening of the drawers simple and effective and have high reliability.

In particular, the present invention provides a refrigerator including a cabinet defining a storage compartment, a plurality of drawers arranged in an up-down direction in the storage compartment, and at least one linkage mechanism, each linkage mechanism for achieving synchronous forward movement of a set of two adjacent drawers, each linkage mechanism including:

the pushing block is arranged at the top of the lower drawer in the two adjacent drawers;

the movable stop block is movably arranged at the bottom of the upper drawer in the two adjacent drawers along the transverse direction of the refrigerator;

a compression spring configured to apply an elastic force urging the moving stopper away from the lateral side wall of the drawer when compressed by the moving stopper; and

the bulge part is positioned on the transverse side wall of the storage compartment; the linkage mechanism is configured to:

when two adjacent drawers are in a closed state, the push block is attached to the rear side of the movable stop block, so that when the lower drawer moves forwards and is opened, the push block pushes the movable stop block, and the upper drawer is driven to move forwards synchronously; and is

When the upper drawer is pushed forward to a middle position, the moving stop block is pressed by the convex part to overcome the elastic force, and the moving stop block moves transversely from the original position to the direction approaching the drawer to be separated from the push block, so that the two adjacent drawers are released from linkage, and the lower drawer can be continuously moved forward to be opened.

Optionally, each linkage mechanism further comprises a first box body for mounting the movable stop block, the first box body is mounted on the lateral side wall of the drawer on the upper side, at least one mounting rod extends outwards from the wall surface of the first box body, which is attached to the drawer, in the lateral direction, and the compression spring is sleeved on the at least one mounting rod; the movable stop block is provided with a mounting hole so as to be sleeved on the mounting rod in a telescopic manner along the transverse direction, and the bottom of the movable stop block extends out of the first box body through a abdicating groove formed in the first box body; the lateral part of the movable stop block is provided with at least one arc-shaped protruding part with a vertical axis, and the arc-shaped protruding part extends out to be contacted with the protruding part through a yielding port arranged on the first box body.

Optionally, the linkage is further configured to: when the drawer at the upper side of the middle state is acted by a forward force, the moving stop block is enabled to pass over the convex part to allow the drawer to move forwards continuously; and the movable stop block passes over the convex part and then returns to the original position under the action of the elastic force.

Optionally, the linkage is further configured to: the drawer on the lower side is pushed backwards under the state that the push block is in front of the movable stop block, so that the push block is contacted with the movable stop block and rotates forwards under the action of elastic torque to pass over the movable stop block, so as to return to the rear side of the movable stop block again, and then rotates back to the original position under the action of the elastic torque.

Optionally, each linkage mechanism further comprises a second box for mounting the push block, the second box is mounted on the top of the drawer on the lower side and is provided with a mounting column extending along the transverse direction; the push block is provided with a mounting hole for mounting on the mounting column; and a bending elastic sheet extends from the front surface of the push block, and the bending elastic sheet is abutted against the inner front wall of the second box body so as to generate elastic deformation when being pressed, thereby applying elastic torque to the push block.

Optionally, the circumferential surface of the mounting column is provided with a limiting groove; the hole wall of the mounting hole is provided with a positioning bulge protruding in the radial direction, and the positioning bulge is positioned in the limiting groove to limit the rotating range of the push block.

Alternatively, in a state where the pushing block is not subjected to an external force, the front surface of the pushing block is a vertical surface so as to push the moving stopper to move forward, and the rear surface of the pushing block is a slope which extends forward gradually from bottom to top so as to pass over the moving stopper when contacting with the moving stopper.

Optionally, of all the drawers, the drawer positioned at the lowest position is connected to two transverse side walls of the storage compartment through two sliding rail assemblies; among other drawers, the lower ends of the front parts of the two transverse side walls of each drawer are respectively provided with a front wheel so as to respectively roll on the top edges of the two transverse side walls of the drawer below,

the upper end of the rear part of each drawer is respectively provided with a rear pulley so as to respectively roll on the slide ways correspondingly arranged on the two transverse side walls of the storage compartment, thereby allowing the drawer to translate back and forth.

Optionally, a linkage mechanism is arranged between each two adjacent drawers, so that all the drawers can move forwards synchronously; in each group of two adjacent linkage mechanisms, the boss of the linkage mechanism positioned at the lower side is more forward than the boss of the linkage mechanism positioned at the upper side.

Optionally, the refrigerator further comprises: a door body for opening and closing the storage chamber; and the door body is fixed with the front end of the drawer positioned at the lowest part so as to drive the drawer to move by pushing and pulling the door body.

The refrigerator of the invention is provided with a plurality of layers of drawers in one storage compartment, and a linkage mechanism is arranged between adjacent drawers. When the user pulls the lower drawer open, the lower drawer can drive the upper drawer to move forwards synchronously. So, the user only needs open a drawer, and remaining drawer follows and is opened, experiences splendid.

Moreover, when the upper drawer moves to a middle position (i.e. not fully opened, but has a space pulled forward), the two drawers are released from linkage, so that the upper drawer stays at the middle position, and the lower drawer continues to move forward and open. The purpose of the drawer is to prevent the lower drawer from being shielded by the upper drawer and being incapable of taking and placing articles when the two drawers are completely opened. Of course, if the user feels that the upper drawer is in the middle position and the opening degree is not enough to be inconvenient for taking and placing the articles, the user can pull the upper drawer again to open the upper drawer completely.

Furthermore, the linkage mechanism of the refrigerator only comprises the push block, the movable stop block and the protruding part arranged on the side wall of the storage compartment, and the linkage mechanism is simple in structure and very practical in function. And the number of parts is less, the possibility of failure is low, and the reliability is high.

Further, in the refrigerator of the present invention, in the two adjacent link mechanisms, the protruding portion of the lower link mechanism is located further forward than the protruding portion of the upper link mechanism. After the whole set of drawer is opened, the opening degree of the drawer is sequentially increased from top to bottom, and the drawer is similar to a step-type structure. So that the upper drawer can not completely shield the upper opening of the adjacent lower drawer, and the user can observe and store articles conveniently.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural view of a refrigerator according to one embodiment of the present invention;

FIG. 2 is an exploded schematic view of the refrigerator shown in FIG. 1;

FIG. 3 is a schematic view of the refrigerator with the multi-drawer in an open position, wherein the cabinet is cut away;

FIG. 4 is an enlarged view at A of FIG. 2;

FIG. 5 is a schematic view of the structure of the moving stopper and the boss;

FIG. 6 is an exploded view of the movable stopper and the first container;

FIG. 7 is an exploded view of the push block and the second container;

FIG. 8 is a schematic view of the pushing block abutting against the rear side of the moving block;

FIG. 9 is a schematic view of the movable stopper after being laterally retracted;

fig. 10 is a schematic view of the state where the moving stopper is returned to the home position and the push block is rotated to pass the moving stopper.

Detailed Description

A refrigerator according to an embodiment of the present invention will be described with reference to fig. 1 to 10. In the drawings, the terms "front", "back", "upper", "lower", "top", "bottom", "inner", "outer", "lateral", and the like denote orientations and positional relationships indicated by the drawings. As such, it is merely convenient to describe the invention and to simplify the description, and it is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the invention.

The embodiment of the invention provides a refrigerator. The refrigerator provided by the embodiment of the invention can adopt the vapor compression refrigeration cycle system to refrigerate so as to provide cold energy. The vapor compression refrigeration cycle system includes a compressor, a condenser, an evaporator, a throttling device, and other refrigeration accessories.

Fig. 1 is a schematic structural view of a refrigerator according to one embodiment of the present invention; FIG. 2 is an exploded schematic view of the refrigerator shown in FIG. 1; fig. 3 is a schematic structural view of the refrigerator with the multi-drawer in an opened state, in which a right half of the cabinet 10 is cut away.

As shown in fig. 1 to 3, a refrigerator may generally include a cabinet 10, a door 20, a plurality of

drawers

30, 40, 50, and at least one linkage 60. Wherein the case 10 defines a storage compartment 101. The plurality of

drawers

30, 40, 50 are arranged in the vertical direction in the storage compartment 101. Each linkage 60 is mounted between a group of two adjacent drawers to achieve synchronous advancement of the two. For example, in the embodiment illustrated in fig. 2 and 3, a total of 3 drawers, namely, the drawer 30, the drawer 40 and the drawer 50 from bottom to top, are arranged in the storage compartment 101. The

drawers

30 and 40 form a set of two adjacent drawers, and a linkage mechanism 60 is disposed therebetween. Drawer 40 and drawer 50 also form a set of two adjacent drawers with a linkage 60 disposed therebetween.

Each linkage 60 is configured to: in the process of moving the drawer at the lower side forwards and opening the two adjacent drawers, the drawer at the upper side is driven to synchronously move forwards to an intermediate position (namely, the drawer is not completely opened and has a space pulled forwards), then the drawer at the upper side is stopped at the intermediate position, and the drawer at the lower side can continuously move forwards and open.

Therefore, the lower drawer can drive the upper drawer to move forwards synchronously. The user only needs to open one drawer, and the rest drawers are opened along with the drawer, so that the experience is excellent. And when the upper drawer moves to a middle position, the two drawers are released from linkage, so that the upper drawer stays at the middle position, and the lower drawer continues to move forwards and is opened. The purpose of the drawer is to prevent the lower drawer from being shielded by the upper drawer and being incapable of taking and placing articles when the two drawers are completely opened. Of course, if the user feels that the upper drawer is in the middle position and the opening degree is not enough, the user can pull the upper drawer again to open the upper drawer completely when the user is not convenient to take and place articles.

The linkage mechanism 60 can be arranged between every two adjacent drawers in all the drawers in one storage compartment 101, so that all the drawers can move forwards synchronously.

In the state shown in fig. 3, the drawer 30 is in the fully open state, the upper drawer 40 is in the intermediate position, and the drawer 50 is also in the intermediate position. And at this time, the drawer 50 is more backward than the drawer 40 so that the upper openings of the 3 drawers are partially exposed, and the opening degree of the drawers is sequentially increased from top to bottom, like a stepped structure. So that the upper drawer can not completely shield the upper opening of the adjacent lower drawer, and the user can observe and store articles conveniently.

As shown in fig. 2, the refrigerator may further include a door 20 for opening and closing the storage compartment 101. The door 20 is fixed to the front end of the lowest drawer 30, so that the drawer 30 is driven by pushing and pulling the door 20, and further the drawer 40 and the drawer 50 are driven to move forward.

Of course, in other embodiments, a door that opens/closes the cabinet by rotation may be provided, and the pivoting door is not connected to the drawer.

As shown in fig. 2, the lowest drawer 30 of all the drawers is connected to two lateral side walls of the storage compartment 101 through two slide rail assemblies 11 (the lateral direction refers to the left-right direction indicated in the drawing). The slide rail assembly is commonly used in the prior art, and the detailed structure thereof is not described herein. In the other drawers, the front lower ends of the two transverse side walls of each drawer are respectively provided with a front wheel so as to be capable of rolling on the top edges of the two transverse side walls of the drawer below, and the upper ends of the rear parts of each drawer are respectively provided with a pulley so as to be capable of rolling on the corresponding slide ways of the two transverse side walls of the storage compartment 101, so that the drawer is allowed to translate back and forth. Referring specifically to fig. 2 and 3, the drawer 40 has a front wheel 41 and a rear wheel 42, the front wheel 41 riding on the top edge of the drawer 30, and the rear wheel 42 riding on the runway 12 of the storage compartment 101. Drawer 50 has front wheels 51 and rear wheels 52, with front wheels 51 riding on the top edge of drawer 40 and rear wheels 52 on runners 13 of compartment 101.

FIG. 4 is an enlarged view at A of FIG. 2; FIG. 5 is a schematic view of the structure of the moving block 65 and the protrusion 69; FIG. 6 is an exploded view of the moving block 65 and the first container 66; fig. 7 is an exploded schematic view of the push block 61 and the second container 63; fig. 8 is a schematic view of the state where the push block 61 abuts against the rear side of the moving stopper 65; FIG. 9 is a schematic view of the movable stopper 65 after being laterally retracted; fig. 10 is a schematic view of the state where the moving stopper 65 is returned to the home position and the push block 61 is rotated to pass over the moving stopper 65.

Referring now to fig. 2 to 9, a linkage 60 according to an embodiment of the present invention will be described, taking the linkage 60 between the drawer 30 and the drawer 40 as an example.

The link mechanism 60 includes a push block 61, a moving stopper 65, a compression spring 68, and a boss 69. Wherein the push block 61 is mounted on the top of the lower drawer 30. The moving stopper 65 is movably provided to a lateral sidewall of the upper drawer 40 in a lateral direction of the refrigerator. The projection 69 is located on a lateral side wall of the storage compartment 101. The compression spring 68 is configured to apply an elastic force to the moving stopper 65 urging it away from the lateral side wall of the drawer 40 when compressed by the moving stopper 65.

Of course, instead of the compression spring 68, an elastic tongue may be provided on the inner wall of the first case 66, and the elastic tongue may be elastically deformed by the pressure of the moving stopper 65, so that the moving stopper 65 can be elastically deformed. However, after the drawer is pulled out for many times, the elastic tongue is easily damaged by fatigue, and the amount of deformation does not reach the designed value, so that the elastic force is insufficient, and the movable stopper 65 cannot be supported to move to the desired position. Moreover, the process is complicated by machining the elastic tongue on the inner wall of the first box 66.

While compression spring 68 is low cost, readily available, and has a longer life. In normal use of the refrigerator, the compression spring is accidentally damaged at all, which ensures reliability of the entire mechanism.

The linkage 60 is configured to: when two

adjacent drawers

30, 40 are in a closed state (as shown in fig. 2 and 8), the push block 61 abuts against the rear side of the moving block 65. When the lower drawer 30 moves forward, the push block 61 pushes the moving stopper 65, and the upper drawer 40 moves forward. When the upper drawer 30 is pushed to the intermediate position (fig. 3), the moving stopper 65 is pushed by the projection 69 against the elastic force of the compression spring 68, and is moved laterally from the home position in a direction approaching the drawer 40 (leftward movement from the state shown in fig. 8) to disengage from the push block 61, so that the two

adjacent drawers

30, 40 are decoupled (fig. 9).

The linkage 60 may also be configured to: when the drawer 40 on the upper side in the intermediate state is subjected to a forward force, the moving stopper 65 is made to pass over the projection 69 to allow the drawer 40 to continue to move forward. After the moving stopper 65 passes over the projection 69, it returns to the original position by the elastic force of the compression spring 68. This allows the upper drawer 40 to be pulled further forward to fully open it for easy access by the user.

Further, the linkage 60 is further configured to: the lower drawer 30 is pushed back in a state where the push block 61 is in front of the moving stopper 65, and the push block 61 is rotated forward against a resilient torque by contacting the moving stopper 65, so that the height of the top thereof is lowered to pass over the moving stopper 65, thereby returning to the rear side of the moving stopper 65 (the state of fig. 10), and then returned to the original position by the resilient torque. Further, the upper drawer 40 may be pulled forward with the push block 61 in front of the moving stopper 65, so that the push block 61 may get over the moving stopper 65.

Fig. 5 and 6 illustrate an alternative configuration of the moving block 65 and the projection 69. As shown in fig. 5 and 6, the linkage 60 further includes a first case 66 for mounting the moving block 65. The first container 66 is mounted on the lateral side wall of the drawer 40 at the upper side, at least one mounting rod 662 (two as shown in fig. 6) extends laterally outwards (rightwards) from the wall surface of the first container attached to the drawer 40, the compression spring 68 is sleeved on the mounting rod 662, one end of the compression spring abuts against the inner wall of the first container 66, and the other end of the compression spring abuts against the moving stopper 65, so that when the compression spring is compressed by the moving stopper 65, an elastic force is generated. The movable block 65 is formed with a mounting hole 653 to be telescopically fitted over the mounting rod 662 in a lateral direction. The bottom wall of the first container 66 is formed with a recess 665 for allowing the bottom 651 of the movable block 65 to extend out of the first container 66 through the recess 665.

The side of the moving stopper 65 has at least one arc-shaped protrusion 652 whose axis is vertically arranged. The number of the arc-shaped projections 652 may be two, which are provided above and below the mounting hole 653, respectively. The right side of the first container 66 is opened, and the first container 66 includes a cover 67 for closing the opening thereof. The cover 67 has a plurality of holes 671 for fixing to the column 664 of the first container 66 by screws 672 (threaded holes). The lid 67 is provided with a relief opening 673 to allow the arc-shaped projection 6522 to protrude so as to contact the projection 69 and be pressed by the projection 69. The lateral retraction of the moving block 65 is achieved by the contact of the arcuate projections 652 with the projections 69, and also because the surfaces are arcuate, it is easier to pass over the projections 69 with less effort.

The moving stopper 65 may be made of plastic (e.g., POM) having high rigidity, high hardness, and high wear resistance so as to make the surface of the arc-shaped protrusion 652 smoother to facilitate its passing over the boss 69. Moreover, the surface of the arc-shaped bulge 652 is more wear-resistant, so that the situation that the arc-shaped bulge is seriously worn by the bulge 69 to influence normal use is avoided.

As shown in fig. 5, the protrusion 69 can be a separately manufactured part, which is mounted on the inner wall of the storage compartment 101. The front and

rear surfaces

691, 693 of the protruding portion 69 are inclined surfaces that are gradually inclined toward each other from the inner wall of the storage compartment 101 outward (leftward), and the two inclined surfaces are transitionally connected by a front and rear extending plane 692. This facilitates moving the stop 65 over the projection 69.

Fig. 7 illustrates an alternative structure of the push block 61. Each linkage 60 also includes a second box 63 for mounting a push block 61. The second case 63 is mounted to the top of the lower drawer 30, and has a mounting post 631 extending in a lateral direction. The push block 61 has a mounting hole 611 to mount on the mounting post 631. A curved resilient tab 618 extends from the front surface of the push block 61, and the curved resilient tab 618 abuts against the inner front wall 639 of the second container 63 to be resiliently deformed when pressed, thereby applying the aforementioned resilient torque to the push block 61. The bent elastic piece 618 may be a major arc shape having an axis extending in the lateral direction of the drawer, and a height of an abutting point thereof with the front surface of the push block 61 is higher than a height of the rotation axis of the push block 61 so as to apply an elastic torque of backward rotation to the push block 61. The bending elastic piece 618 and the pushing block 61 can be an integral structure, and can be made of POM material to improve the rigidity, strength and wear resistance thereof and save the cost. The right side of the second container 63 is opened and covered with a container cover 64. The cover 64 is provided with a hole 641 so that a screw 642 can be inserted through the hole to be engaged with a screw hole 633 formed in the second container body 63, thereby fixing the cover 64. The pushing block 61 extends out of the box 63 through an opening 635 formed at the top of the second box 63.

The circumferential surface of the mounting post 631 is provided with a limiting groove 6312, the hole wall of the mounting hole 611 is provided with a positioning protrusion 612 protruding in the radial direction, and the positioning protrusion 612 is located in the limiting groove 6312. When the push block 61 rotates, the positioning protrusion 612 can only move within the range of the limit groove 6312, thereby limiting the rotation range of the push block 61. Specifically, when two

adjacent drawers

30, 40 are in a closed state, as shown in fig. 9, the positioning protrusion 612 abuts against the rear wall of the limiting groove 6312, so that the pushing block 61 cannot rotate backward, and thus the pushing block 65 can be pushed forward. When the push block 61 pushes back the lower drawer 30 in a state where the push block 61 is in front of the moving stopper 65, the push block 61 is allowed to rotate backward, and the rotation is stopped at most when the positioning protrusion 612 abuts against the front wall of the limiting groove 6312, at which time the push block 61 is enough to pass over the moving stopper 65, thereby returning to the rear side of the moving stopper 65 (as in the state of fig. 10), and then returning to the original position under the action of the elastic torque. As shown in fig. 8, in a state where no external force is applied, the front surface 613 of the push block 61 is a vertical surface to push the moving stopper 65 forward, and the rear surface 614 of the push block 61 is a slope extending forward from bottom to top to pass over the moving stopper 65 when contacting the moving stopper 65.

The linkage mechanism of the refrigerator is simple in structure, but very practical in function. And the number of parts is less, the possibility of failure is low, and the reliability is high.

In some embodiments, the position of the projection 69 of the link 60 on the lower side may be more forward than the position of the projection 69 of the link 60 on the upper side in each set of two adjacent links 60. After making a plurality of drawers all open like this, from the opening degree of last drawer down increaseing in proper order, similar cascaded structure. So that the upper drawer can not completely shield the upper opening of the adjacent lower drawer, and the user can observe and store articles conveniently.

Only one linkage 60 may be provided between each adjacent pair of drawers, as shown in fig. 1-10. Of course, two linkages 60 may be provided between each two adjacent drawers, which are bilaterally symmetrical, so that both ends of the upper drawer are pushed to move forward more smoothly.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A refrigerator comprising a cabinet defining a storage compartment, a plurality of drawers arranged in the storage compartment in an up-down direction, and at least one linkage, each linkage for effecting synchronized forward movement of a group of two adjacent drawers, each linkage comprising:

a compression spring configured to apply an elastic force to the moving stopper urging it away from the lateral side wall of the drawer when compressed by the moving stopper; and

when the two adjacent drawers are in a closed state, the push block is attached to the rear side of the movable stop block, so that when the lower drawer moves forwards and is opened, the push block pushes the movable stop block, and the upper drawer is driven to move forwards synchronously; and is

When the upper drawer is pushed forwards to a middle position, the movable stop block is pressed by the convex part to overcome the elastic force, and the movable stop block transversely moves from the original position to the direction approaching the drawer to be separated from the push block, so that the two adjacent drawers are released from linkage, and the lower drawer can be continuously moved forwards and opened.

2. The refrigerator of claim 1, wherein

Each linkage mechanism further comprises a first box body for mounting the movable stop block, the first box body is mounted on the transverse side wall of the upper drawer, at least one mounting rod extends outwards from the wall surface of the first box body, which is attached to the drawer, in the transverse direction, and the compression spring is sleeved on the at least one mounting rod;

the movable stop block is provided with a mounting hole so as to be sleeved on the mounting rod in a telescopic manner along the transverse direction, and the bottom of the movable stop block extends out of the first box body through a abdicating groove formed in the first box body;

the lateral part of the movable stop block is provided with at least one arc-shaped protruding part with a vertical axis, and the arc-shaped protruding part extends out to be contacted with the protruding part through a yielding port arranged on the first box body.

3. The refrigerator of claim 1, wherein the linkage is further configured to:

when the upper drawer in the intermediate state is subjected to forward force, the moving stop block is enabled to pass through the protruding part to allow the drawer to move forwards continuously; and is

The movable stop block passes over the convex part and then returns to the original position under the action of the elastic force.

4. The refrigerator of claim 2, wherein the linkage is further configured to:

and the lower drawer is pushed backwards under the state that the pushing block is in front of the movable stop block, so that the pushing block is contacted with the movable stop block and rotates forwards against the action of elastic torque to overcome the movable stop block, so that the pushing block returns to the rear side of the movable stop block again and then rotates back to the original position under the action of the elastic torque.

5. The refrigerator of claim 4, wherein

Each linkage mechanism further comprises a second box body for mounting the push block, the second box body is mounted at the top of the lower drawer and is provided with a mounting column extending along the transverse direction;

the push block is provided with a mounting hole for mounting on the mounting column; and is

And a bending elastic sheet extends from the front surface of the push block, and the bending elastic sheet is abutted against the inner front wall of the second box body so as to generate elastic deformation when being pressed, thereby applying the elastic torque to the push block.

6. The refrigerator of claim 5, wherein

The peripheral surface of the mounting column is provided with a limiting groove;

the hole wall of the mounting hole is provided with a positioning bulge protruding in the radial direction, and the positioning bulge is positioned in the limiting groove to limit the rotation range of the push block.

7. The refrigerator of claim 6, wherein

Under the state of not being acted by external force, the front surface of the push block is a vertical surface so as to push the movable stop block to move forwards, and the rear surface of the push block is an inclined surface which is inclined and extends forwards gradually from bottom to top so as to pass over the movable stop block when contacting with the movable stop block.

8. The refrigerator of claim 1, wherein

The drawer positioned at the lowest part of all the drawers is connected to the two transverse side walls of the storage compartment through two sliding rail assemblies, and the lower ends of the front parts of the two transverse side walls of each drawer in the rest drawers are respectively provided with front wheels so as to respectively roll on the top edges of the two transverse side walls of the drawer below; and is

The upper end of the rear part of each drawer is respectively provided with a rear pulley so as to respectively roll on the slideways correspondingly arranged on the two transverse side walls of the storage compartment, thereby allowing the drawer to translate forwards and backwards.

9. The refrigerator of claim 1, wherein

The linkage mechanism is arranged between every two adjacent drawers in all the drawers, so that all the drawers can synchronously move forwards;

in each group of two adjacent linkage mechanisms, the boss of the linkage mechanism positioned on the lower side is more forward than the boss of the linkage mechanism positioned on the upper side.

10. The refrigerator of claim 1, further comprising:

the door body is used for opening and closing the storage compartment; and is

The door body is fixed with the front end of the drawer positioned at the lowest part, so that the drawer is driven to move by pushing and pulling the door body.