CN115031465B

CN115031465B - Refrigerator

Info

Publication number: CN115031465B
Application number: CN202210963720.2A
Authority: CN
Inventors: 黄凯
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: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-11-08
Anticipated expiration: 2042-08-11
Also published as: CN115031465A

Abstract

The invention discloses a refrigerator, which relates to the technical field of household appliances and comprises a refrigerator body, a drawer and an energy storage ejection mechanism, wherein the refrigerator body is provided with an accommodating cavity, the drawer is slidably arranged in the accommodating cavity, and the energy storage ejection mechanism is arranged on the bottom wall of the accommodating cavity. The energy storage pop-up mechanism is simple in structure and low in cost, so that the production cost of the refrigerator can be greatly reduced, and when the drawer slides into or slides out of the accommodating cavity, the noise is lower, and the use experience of a user is improved.

Description

Refrigerator with a door

Technical Field

The invention relates to the technical field of household appliances, in particular to a refrigerator.

Background

In the related art, a refrigerator is generally provided with a drawer for containing articles, and the drawer is slidably installed in an accommodating cavity of a refrigerator body. In order to realize the function of automatically ejecting the drawer out of the accommodating cavity, part of the refrigerator is provided with a gear rack transmission structure, and the purpose that the drawer automatically enters and exits the accommodating cavity is achieved through the meshing of the gear rack and the combination of the speed reducing motor. However, when the drawer is opened, a large resistance needs to be overcome, especially in the closed position, when the drawer is separated from the closed position, the drawer not only needs to overcome the resistance of the sliding rail, but also needs to overcome the suction force of the magnetic strip to the drawer, and therefore the motor is required to meet a large power, so that the cost of the refrigerator is high, meanwhile, the cost of the gear rack transmission structure is high, and the noise is large during operation, so that the use experience of a user is influenced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a refrigerator which can realize automatic ejection of a drawer with low cost and can reduce noise when the drawer is ejected.

The refrigerator according to the embodiment of the invention comprises:

the box body is provided with an accommodating cavity, the bottom wall of the accommodating cavity is provided with a first sliding chute and a second sliding chute, the first sliding chute is arranged along a first direction, the second sliding chute is arranged along a second direction, and the first direction is vertical to the second direction;

the drawer is slidably mounted in the accommodating cavity, and a push rod is arranged at one end of the drawer facing the bottom wall;

the energy storage ejection mechanism is arranged on the bottom wall and comprises an energy storage assembly and a limiting assembly, the energy storage assembly comprises a first sliding block and a first elastic piece, the first sliding block is slidably arranged in the first sliding groove, the limiting assembly comprises a second sliding block and a second elastic piece, the second sliding block is slidably arranged in the second sliding groove, the first elastic piece is connected to the bottom wall and can drive the first sliding block to move along the direction far away from the second sliding block, and the second elastic piece is connected to the bottom wall and can drive the second sliding block to move along the direction towards the first sliding block;

when the drawer slides towards the closed position, the push rod can push the first sliding block to overcome the elasticity of the first elastic piece and move towards the second sliding block, so that the clamping hook is clamped into the clamping groove to lock the first sliding block;

the energy storage ejection mechanism further comprises a switch piece, wherein the switch piece is used for pushing the second sliding block to move away from the first sliding block against the elastic force of the second elastic piece so as to release the first sliding block, so that the first elastic piece can push the first sliding block to move towards the push rod, and the drawer is separated from the closed position and slides outwards.

According to the refrigerator provided by the embodiment of the invention, at least the following beneficial effects are achieved:

when the drawer is pushed to slide towards the closed position to close the drawer, the drawer drives the push rod to push the first sliding block, so that the first sliding block overcomes the elasticity of the first elastic piece and moves towards the second sliding block along the first sliding groove, and the clamping hook is clamped into the clamping groove to lock the first sliding block; when the drawer needs to be opened, the second sliding block is pushed through the switch piece, so that the second sliding block can overcome the elasticity of the second elastic piece and move away from the first sliding block along the second sliding groove, the clamping hook is separated from the clamping groove to release the first sliding block, the first elastic piece can push the first sliding block out towards the push rod, and the drawer is separated from the closed position and slides out. According to the invention, partial energy generated when the drawer is closed can be converted into elastic potential energy of the first elastic part through the energy storage component, then when the drawer is opened, the first elastic part can release the elastic potential energy to push the first sliding block, so that the first sliding block pushes the push rod, and when the first elastic part initially pushes the first sliding block, the first elastic part deforms to the maximum to generate the maximum pushing force, so that the drawer can be separated from a closed position and slides outwards by overcoming resistance, and the automatic ejection of the drawer is realized. The energy storage pop-up mechanism is simple in structure and low in cost, so that the production cost of the refrigerator can be greatly reduced, and when the drawer slides into or slides out of the accommodating cavity, the noise is lower, and the use experience of a user is improved.

According to some embodiments of the invention, the refrigerator further comprises a labor-saving mechanism, the labor-saving mechanism comprises a first rod piece and a second rod piece which are rotatably mounted on the bottom wall, the first rod piece comprises a first arm and a second arm which are positioned on two sides of a rotation center of the first rod piece, the length of the first arm is larger than that of the second arm, the second arm is connected with one end of the second rod piece in a sliding mode, the drawer can push the first arm to rotate when sliding towards the closed position, and the second arm drives the second rod piece to rotate so as to push the first sliding block to move towards the second sliding block.

According to some embodiments of the invention, the sliding of the drawer towards the closed position comprises a first phase in which the first lever carries the second lever to push the first slider towards the second slider, and a second phase in which the push rod pushes the first slider towards the second slider, and the second lever is separated from the first slider.

According to some embodiments of the invention, the travel of the drawer in the first phase is greater than the travel of the drawer in the second phase.

According to some embodiments of the invention, the second arm is provided with a push block, the second rod is provided with a push groove, and the push block is slidably mounted in the push groove.

According to some embodiments of the invention, the energy storage assembly further comprises a base slidably mounted to the first sliding groove, the base is provided with a mounting groove, and one end of the first sliding block is mounted to the mounting groove.

According to some embodiments of the present invention, the base is provided with a first pushing position and a second pushing position along a direction perpendicular to the bottom wall, the second rod member can abut against the first pushing position to drive the first sliding block to move, and the push rod can abut against the second pushing position to drive the first sliding block to move.

According to some embodiments of the invention, the base is further provided with a step position located between the first pushing position and the second pushing position.

According to some embodiments of the invention, along the first direction, the slot includes a first detent and a second detent which are arranged in a staggered manner, a transition section is arranged between the first detent and the second detent, and when the hook is snapped into the first detent, the second elastic member can push the second slider to move towards the first slider, so that the hook is snapped into the second detent along the transition section, and a gap is formed between the first slider and the push rod.

According to some embodiments of the invention, the first detent and the second detent are both disposed along the second direction.

According to some embodiments of the invention, the bottom wall is provided with a third sliding slot, the switch member includes a third slider and a third elastic member, the third slider is slidably mounted on the third sliding slot, and the third elastic member is connected to the bottom wall and can drive the third slider to move in a direction away from the second slider.

According to some embodiments of the invention, an end of the drawer facing away from the box body is provided with a surrounding plate, and the surrounding plate is provided with a through hole for avoiding the third sliding block.

According to some embodiments of the invention, the switch member comprises a motor and a trigger lever, the motor being capable of pushing the second slider by the trigger lever to release the first slider.

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

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

fig. 1 is a schematic structural view of a refrigerator according to some embodiments of the present invention (most of the structure of a cabinet is omitted);

FIG. 2 is another schematic angle view of FIG. 1;

FIG. 3 is a schematic diagram of a stored energy ejection mechanism according to some embodiments of the invention;

FIG. 4 is a schematic diagram of the energy accumulating pop-up mechanism and the labor saving mechanism according to some embodiments of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a schematic view illustrating the hook of fig. 5 sliding to the first position;

fig. 7 is a schematic view of the hook of fig. 5 sliding to a transition section;

fig. 8 is a schematic view of the hook in fig. 5 sliding to the second position;

fig. 9 is a schematic structural diagram of a base according to some embodiments of the invention.

The reference numbers are as follows:

a drawer 100; a push rod 110; a shroud 120; a perforation 121; a stopper 130;

a bottom wall 200; a first chute 210; a second chute 220; a third chute 230;

an energy storage ejection mechanism 300; a first slider 310; a hook 311; a base 312; a mounting groove 313; a first push bit 314; a second push bit 315; a step position 316; a first elastic member 320; a second slider 330; a card slot 331; a first block 3311; a transition section 3312; a second detent 3313; a second elastic member 340; a third slider 350; a third elastic member 360;

a labor-saving mechanism 400; a first pin 410; a first arm 411; a second arm 412; a push block 413; a locating pin 414; a return spring 415; a second pole 420; a third arm 421; pushing slot 422.

Detailed Description

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

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

In the related art, a refrigerator is generally provided with a drawer for containing articles, and the drawer is slidably installed in an accommodating chamber of a refrigerator body. In order to realize the function of automatically ejecting the drawer out of the accommodating cavity, part of the refrigerator is provided with a gear rack transmission structure, and the purpose that the drawer automatically enters and exits the accommodating cavity is achieved through the meshing of the gear rack and the combination of the speed reducing motor. However, when the drawer is opened, a large resistance needs to be overcome, especially in the opening moment, the drawer not only needs to overcome the resistance of the sliding rail, but also needs to overcome the suction force of the magnetic strip to the drawer, so that the power requirement on the motor is high, the cost of the refrigerator is high, meanwhile, the cost of the gear and rack transmission structure is also high, and the noise is large during operation, so that the use experience of a user is influenced.

Therefore, the invention provides a refrigerator which can realize automatic ejection of a drawer with low cost and can reduce the noise when the drawer is ejected.

Referring to fig. 1 and 2, a refrigerator according to an embodiment of the present invention includes a cabinet (not shown), a drawer 100, and a stored energy ejecting mechanism 300. The box can be square column shape or cylindrical shape etc. and the box is provided with the holding chamber, and the holding chamber can be provided with a plurality ofly, and correspondingly, drawer 100 also can be provided with a plurality ofly, and every drawer 100 slidable mounting is in a holding chamber that corresponds. Referring to fig. 3, the bottom wall 200 of the accommodating cavity is provided with a first sliding groove 210 and a second sliding groove 220, the first sliding groove 210 is arranged along a first direction, the second sliding groove 220 is arranged along a second direction, and the first direction is perpendicular to the second direction. Specifically, the bottom wall 200 may be provided with a plurality of first baffles, which surround to form the first sliding groove 210. Similarly, the bottom wall 200 may further be provided with a plurality of second baffles, which surround the second sliding groove 220. One of the drawer 100 and the box body may be provided with a slide rail, and the other one is provided with a slide groove matched with the slide rail, so that the drawer 100 can be slidably mounted in the accommodating cavity. The end of the drawer 100 facing the bottom wall 200 is provided with a push rod 110, and the push rod 110 can cooperate with the energy storage ejection mechanism 300 to realize energy storage.

Referring to fig. 3, the energy storage ejecting mechanism 300 is installed on the bottom wall 200 of the accommodating cavity, and the bottom wall 200 may be provided with a protective plate surrounding the periphery of the energy storage ejecting mechanism 300, so that external impurities may be prevented from affecting the normal operation of the energy storage ejecting mechanism 300. Specifically, the energy storage ejecting mechanism 300 includes an energy storage assembly and a limiting assembly, the energy storage assembly includes a first sliding block 310 and a first elastic member 320, and the first sliding block 310 is slidably mounted on the first sliding groove 210. The limiting assembly comprises a second sliding block 330 and a second elastic piece 340, and the second sliding block 330 is slidably mounted on the second sliding groove 220. The first elastic member 320 is connected to the bottom wall 200 and can drive the first slider 310 to move away from the second slider 330 along the first sliding slot 210, and the second elastic member 340 is connected to the bottom wall 200 and can drive the second slider 330 to move toward the first slider 310 along the second sliding slot 220. The first elastic member 320 may be a spring, an elastic metal sheet, or an elastic structural member such as elastic rubber, and a user may select a specific elastic structural member according to actual needs. Similarly, the second elastic element 340 may be a spring, an elastic metal sheet, or an elastic structural element such as elastic rubber, and the user may select a specific elastic structural element according to actual needs.

Referring to fig. 3, the first sliding block 310 is provided with a hook 311, the second sliding block 330 is provided with a locking groove 331, and when the drawer 100 slides into the accommodating cavity, the push rod 110 can push the first sliding block 310 to overcome the elastic force of the first elastic member 320, so that the first sliding block moves towards the second sliding block 330, and the hook 311 is locked in the locking groove 331 to lock the first sliding block 310. Specifically, the second sliding block 330 is provided with a slope position, when the first sliding block 310 moves towards the second sliding block 330 along the first sliding slot 210, the hook 311 contacts the slope position and pushes the second sliding block 330 to move away from the hook 311 along the second sliding slot 220, and when the hook 311 continues to move to the upper side of the locking slot 331, under the action of the second elastic member 340, the second sliding block 330 moves towards the hook 311 along the second sliding slot 220, so that the hook 311 is locked in the locking slot 331, and at this time, the first sliding block 310 is locked and stops moving.

The energy storage ejection mechanism 300 further comprises a switch member for pushing the second slider 330 to overcome the elastic force of the second elastic member 340, so that the second slider 330 moves away from the first slider 310 to release the first slider 310, and the first elastic member 320 can push the first slider 310 to move towards the push rod 110, so that the drawer 100 slides out of the accommodating cavity.

When the drawer 100 is pushed to slide towards the closed position to close the drawer 100, the drawer 100 drives the push rod 110 to push the first sliding block 310, so that the first sliding block 310 overcomes the elastic force of the first elastic component 320 and moves towards the second sliding block 330 along the first sliding slot 210, so that the hook 311 is clamped into the clamping slot 331 to lock the first sliding block 310; when the drawer 100 needs to be opened, the second slider 330 is pushed by the switch member, so that the second slider 330 can overcome the elastic force of the second elastic member 340 and move away from the first slider 310 along the second sliding slot 220, and the hook 311 is disengaged from the inside of the engaging slot 331 to release the first slider 310, and at this time, the first elastic member 320 can push the first slider 310 out toward the push rod 110, so that the drawer 100 is disengaged from the closed position and slides out. According to the invention, part of energy generated when the drawer 100 is closed can be converted into elastic potential energy of the first elastic member 320 through the energy storage assembly, then when the drawer 100 is opened, the first elastic member 320 can release the elastic potential energy to push the first slider 310, so that the first slider 310 pushes the push rod 110, and when the first elastic member 320 initially pushes the first slider 310, the deformation of the first elastic member 320 is maximum, so that maximum pushing force can be generated, and therefore, the drawer 100 can be separated from a closed position and slide outwards by overcoming resistance, and thus, the automatic ejection of the drawer 100 is realized. The energy storage ejection mechanism 300 is simple in structure and low in cost, high-power motor equipment is not needed, so that the production cost of the refrigerator can be greatly reduced, and when the drawer 100 slides into or out of the accommodating cavity, the noise is lower, and the use experience of a user is improved.

Referring to fig. 4, it should be noted that when a relatively heavy object is placed in the drawer 100, a user needs a relatively large force to push the drawer 100 to slide into the receiving cavity, which causes inconvenience in use. To this end, in some embodiments of the present invention, in order to reduce the force required to push the drawer 100 to slide toward the closed position, the refrigerator further includes a labor-saving mechanism 400, wherein the labor-saving mechanism 400 includes a first rod 410 and a second rod 420, and the first rod 410 and the second rod 420 are rotatably mounted on the bottom wall 200 of the accommodating cavity. Specifically, the first rod 410 includes a first arm 411 and a second arm 412, and the first arm 411 and the second arm 412 are respectively located at two sides of the rotation center of the first rod 410, wherein the length of the first arm 411 is greater than the length of the second arm 412, for example, the length of the first arm 411 may be two times, three times, four times or more than the length of the second arm 412. The second rod 420 includes two third arms 421 with the same length, the two third arms 421 are respectively located at two sides of the rotation center of the second rod 420, one of the third arms 421 is connected to the second arm 412 in a sliding manner, and the other third arm 421 can abut against the first sliding block 310 to push the first sliding block 310 to move toward the second sliding block 330. When the drawer 100 slides into the receiving cavity, the outer wall or other parts of the drawer 100 can push the first arm 411 to rotate, so that the second arm 412 drives the second rod 420 to rotate to push the first sliding block 310 to move toward the second sliding block 330. Since the length of the first arm 411 is greater than that of the second arm 412, the first rod 410 forms a labor-saving lever to save labor, wherein the first arm 411 is a power arm and the second arm 412 is a resistance arm. Since the two third arms 421 have the same length, the second rod 420 forms an equal-arm lever to perform the reversing function. Therefore, when the user pushes the drawer 100 to slide toward the closed position, the drawer 100 can push the first arm 411 to rotate by a small force, and then the second arm 412 can apply a large force to the second lever 420 to rotate the second lever 420, so that the second lever 420 can push the first slider 310 to move toward the second slider 330, and the drawer 100 can smoothly slide into the accommodating cavity, thereby reducing the force required for pushing the drawer 100 to slide into the accommodating cavity, and improving the convenience of the refrigerator. Of course, it should be noted that the second rod 420 may also be a labor-saving lever, so as to further improve the labor-saving effect.

It should be noted that, in order to prevent the push rod 110 from pushing the first sliding block 310 to move towards the second sliding block 330 during the sliding process of the drawer 100 towards the closed position, and the second rod 420 from pushing the first sliding block 310 to move towards the second sliding block 330, in some embodiments of the present invention, the sliding process of the drawer 100 towards the closed position includes a first stage and a second stage. In the first stage, the drawer 100 first touches the first rod 410, so as to push the first rod 410 and drive the second rod 420 to push the first sliding block 310 to move toward the second sliding block 330, and at this time, the push rod 110 is not in contact with the first sliding block 310. In the second stage, the push rod 110 contacts the first slider 310, thereby pushing the first slider 310 to move toward the second slider 330, at which time the second lever 420 is separated from the first slider 310. That is, during the process of moving the first sliding block 310 toward the second sliding block 330, the first stage process pushes the first sliding block 310 to move toward the second sliding block 330 by the second rod 420, and the second stage process pushes the first sliding block 310 to move toward the second sliding block 330 by the push rod 110.

It should be noted that, when the drawer 100 pushes the first sliding block 310 to move towards the second sliding block 330 through the labor-saving mechanism 400, specifically, the drawer 100 pushes the first rod 410 through a smaller force to further drive the second rod 420 to rotate, so that the second rod 420 can push the first sliding block 310 to move towards the second sliding block 330 through a larger force, the sliding direction of the drawer 100 is the same as the moving direction of the first sliding block 310, at this time, the sliding speed of the drawer 100 is higher than the moving speed of the first sliding block 310, and the push rod 110 is installed at the bottom of the drawer 100 and has the same speed as the drawer 100. Therefore, in the first stage of sliding the drawer 100 toward the closed position, the second rod 420 pushes the first slider 310 to move toward the second slider 330, and the push rod 110 and the first slider 310 are spaced apart from each other. Since the speed of the push rod 110 is greater than that of the first slider 310, the distance therebetween gradually decreases, and in the second stage, the push rod 110 contacts the first slider 310 and pushes the first slider 310 to move toward the second slider 330, at which time the first slider 310 is disengaged from the second bar 420.

It will be appreciated that in order to further improve the convenience of use, such that a user can push the drawer 100 to move the first slider 310 toward the second slider 330 with less force in both the first stage and the second stage of pushing the drawer 100 to slide toward the closed position, in some embodiments of the present invention, the first contact position and the second contact position are spaced apart in the first direction by disposing the push rod 110 at a position farther from the first lever 410, or by disposing the first slider 310 and the second contact position, wherein the second contact position is used for contacting the push rod 110, and the first contact position is used for contacting the second lever 420, and the first contact position and the second contact position are spaced apart in the first direction, wherein the first contact position is closer to the push rod 110 than the second contact position, and by reasonably setting the distance between the first contact position and the second contact position, such that the drawer 100 slides toward the closed position and just contacts the first lever 410, the distance between the push rod 110 and the first slider 310 is longer, such that the travel of the drawer 100 in the first stage is longer than that in the second stage of pushing the drawer 100. For example, the stroke of the drawer 100 in the first stage may be set to be more than twice of the stroke of the drawer 100 in the second stage, so that during the process that the drawer 100 pushes the first slider 310 to move towards the second slider 330, most of the process is that the drawer 100 pushes the first slider 310 through the labor-saving mechanism 400, and a small part of the process is that the drawer 100 pushes the first slider 310 through the push rod 110, so that a user can push the drawer 100 with a small force during most of the process, which is beneficial to improving the convenience of use.

It should be noted that, the magnetic stripe for adsorbing the drawer 100 is installed on the inner wall of the receiving cavity near the closed position of the drawer 100, so in some embodiments of the present invention, the position of the push rod 110 may be reasonably set, so that when the drawer 100 slides into the receiving cavity and is ready to reach the closed position, the push rod 110 just contacts the first slider 310 to push the first slider 310, at this time, although the drawer 100 does not push the first slider 310 through the labor saving mechanism 400, because the drawer 100 is already close to the closed position, the magnetic stripe in the receiving cavity can already generate a large suction effect on the drawer 100, so that at this time, the drawer 100 can be pushed to move through the push rod 110 with a small force, so that in the first stage and the second stage of the drawer 100 sliding toward the closed position, the user can push the drawer 100 to move with a small force, and the convenience of use is further improved.

Referring to fig. 4, it can be appreciated that, in order to enable the second arm 412 of the first lever 410 to be reliably slidably connected with the second lever 420, in some embodiments of the present invention, the second arm 412 is provided with a push block 413, the second lever 420 is provided with a push groove 422, and the push block 413 is slidably mounted in the push groove 422. When the second arm 412 rotates, the pushing block 413 slides along the inner wall of the pushing groove 422, and simultaneously pushes the inner wall of the pushing groove 422, so that the second rod 420 rotates around the rotation center thereof, and abuts against the first sliding block 310 to push the first sliding block 310 to move towards the second sliding block 330. In some embodiments, the pushing block 413 is cylindrical, the pushing groove 422 is a strip-shaped groove, and the friction force of the cylindrical pushing block 413 is smaller when the pushing block 413 slides in the strip-shaped groove, so that the sliding smoothness can be further improved.

Referring to fig. 4, it can be appreciated that, in order to reduce the resistance when the first sliding block 310 slides along the first sliding chute 210, in some embodiments of the present invention, the energy storage assembly further includes a base 312 slidably mounted to the first sliding chute 210, the base 312 is provided with a mounting groove 313, and one end of the first sliding block 310 is mounted to the mounting groove 313, so that the first sliding block 310 can slide in the first sliding chute 210 through the base 312. Since the contact area between the base 312 and the first sliding groove 210 is relatively smaller, the sliding friction resistance is reduced, and the first sliding block 310 slides more smoothly.

It can be understood that, in some embodiments of the present invention, the first elastic element 320 is a compression spring, the first sliding block 310 is substantially cylindrical, the compression spring is sleeved outside the first sliding block 310, one end of the compression spring is connected to the bottom wall 200 of the accommodating cavity, and the other end of the compression spring extends into the mounting groove 313 of the base 312, so that the compression spring can be limited and prevented from easily shaking.

Referring to fig. 9, it should be noted that the second rod 420 and the push rod 110 both drive the first slider 310 to move towards the second slider 330 by pushing the base 312, in order to avoid interference caused by the coincidence of the contact points of the second rod 420 and the push rod 110 with the base 312, in some embodiments of the present invention, the base 312 is provided with a first pushing position 314 and a second pushing position 315 along a direction perpendicular to the bottom wall 200, the second rod 420 can abut against the first pushing position 314 to drive the first slider 310 to move, and the push rod 110 can abut against the second pushing position 315 to drive the first slider 310 to move, so that the first pushing position 314 and the second pushing position 315 are vertically arranged at intervals, thereby preventing the interference of the second rod 420 and the push rod 110 from affecting the pushing of the first slider 310.

Referring to fig. 9, it can be appreciated that, in order to enable the first and

second push bits

314 and 315 to be spaced apart by a greater distance, in some embodiments of the present invention, the base 312 is further provided with a step 316, the step 316 being located between the first and

second push bits

314 and 315. The step 316 is arranged between the first pushing position 314 and the second pushing position 315, so that the first pushing position 314 and the second pushing position 315 can be separated by a larger distance, and interference between the second rod 420 and the push rod 110 can be avoided as much as possible.

It should be noted that, when the drawer 100 slides into the accommodating cavity to the closed position, the first sliding block 310 abuts against one end of the push rod 110, so that the sealing effect of the drawer 100 is easily reduced, and the refrigerating effect is reduced. To this end, referring to fig. 5, in some embodiments of the present invention, the card slot 331 includes a first detent 3311 and a second detent 3313 that are offset along the first direction, and a transition 3312 is disposed between the first detent 3311 and the second detent 3313. Referring to fig. 6, when the first slider 310 moves towards the second slider 330 so that the hook 311 is caught in the first catch 3311, the drawer 100 slides to the closed position and stops moving, referring to fig. 7 and 8, at this time, under the action of the second elastic member 340, the second slider 330 pushes the first slider 310 to move forward continuously through the transition section 3312, so that the hook 311 is caught in the second catch 3313 along the transition section 3312 and then the first slider 310 is locked and stops moving, at this time, there is a gap between the first slider 310 and the push rod 110 and no longer contacts with each other, so as to avoid the problem that the first slider 310 abuts against the push rod 110 to cause the drawer 100 to be sealed untight in the closed position. Specifically, the transition portion 3312 may be an inclined surface or an arc surface, and the hook 311 can slide smoothly along the transition portion 3312.

It should be noted that when the drawer 100 slides out of the accommodating cavity, especially at the moment when the drawer 100 is separated from the closed position, the drawer 100 not only needs to overcome the resistance of the sliding rail, but also needs to overcome the suction force of the magnetic strip to the drawer 100, so that a larger pushing force is needed to push the drawer 100 to move at this time. Therefore, in the above embodiment, when the drawer 100 is in the closed position, the first sliding block 310 is continuously moved forward to form a gap with the push rod 110, so that not only the problem that the first sliding block 310 abuts against the push rod 110 to cause the drawer 100 to be not tightly sealed can be avoided, but also when the drawer 100 needs to be separated from the closed position to open the drawer 100, after the second sliding block 330 is pushed by the switch member to release the first sliding block 310, the first elastic member 320 releases the elastic potential energy to push the first sliding block 310 to move towards the push rod 110, because a gap exists between the first sliding block 310 and the push rod 110, under the pushing of the first elastic member 320, the first sliding block 310 is continuously accelerated in the gap, so that the pushing speed of the first sliding block 310 is fastest when contacting the push rod 110, so that a greater instant pushing force can be generated to push the drawer 100 in the closed position, and the drawer 100 can better overcome the resistance of the magnetic stripe and the sliding rail to start sliding. It should be noted that, after the first sliding block 310 pushes the pushing rod 110 to slide the drawer 100, the deformation of the first elastic member 320 is gradually reduced, so that the pushing force of the first elastic member 320 on the first sliding block 310 is gradually reduced, but at this time, because the drawer 100 is separated from the closed position, the suction force of the magnetic strip on the drawer 100 is greatly reduced, and the dynamic friction force of the sliding rail on the drawer 100 is also much smaller than the static friction force, so that the sliding of the drawer 100 can be maintained only with a small force.

Referring to fig. 4, it can be understood that in some embodiments of the present invention, the bottom wall 200 of the receiving cavity is further installed with a return spring 415, and the return spring 415 is located at a side of the first rod 410 away from the drawer 100. In the second stage of sliding the drawer 100 toward the closed position, the push rod 110 pushes the first sliding block 310 to move, and at this time, the speed of the first sliding block 310 is greater than the speed of the second lever 420 in the first direction, so that the second lever 420 is separated from the first sliding block 310, but at this time, the drawer 100 still pushes the first lever 410 to rotate around the rotation center thereof, so that the first lever 410 presses the return spring 415 until the drawer 100 reaches the closed position, and the rotation of the first lever 410 is stopped. When the drawer 100 is slid out of the receiving cavity from the closed position, the first lever 410 can rotate back to the original position under the urging of the return spring 415. Specifically, a positioning pin 414 is further disposed on a side of the first lever 410 facing the return spring 415, and the first lever 410 can be snapped into the return spring 415 through the positioning pin 414 to press the return spring 415.

Referring to fig. 3 and 4, it can be understood that, in some embodiments of the present invention, the bottom wall 200 of the accommodating chamber is further provided with a third sliding slot 230, the switch member includes a third sliding block 350 and a third elastic member 360, the third sliding block 350 is slidably mounted in the third sliding slot 230, and the third elastic member 360 is connected to the bottom wall 200 and can drive the third sliding block 350 to move away from the second sliding block 330. The third elastic element 360 may be a spring, an elastic metal sheet, or an elastic structural element such as elastic rubber, and the user may select a specific elastic structural element according to actual needs. When the switch member needs to be operated to release the first slider 310, the third slider 350 is pushed to move toward the second slider 330 against the elastic force of the third elastic member 360, so as to drive the second slider 330 to move away from the first slider 310, thereby releasing the first slider 310. When the third slider 350 is released, the third elastic member 360 can push the third slider 350 back to the original position. In this embodiment, the switch member is manually pushed, so that the structure is simpler and the operation is more reliable.

Specifically, the third sliding groove 230 is arranged along the first direction, an end of the third sliding block 350 facing the second sliding block 330 has a slant end, and the second sliding block 330 has a mating end mating with the slant end. When the user presses the third slider 350 to move the third slider 350 toward the second slider 330, the mating end is pressed by the bevel end, so that the second slider 330 moves away from the first slider 310 along the second sliding slot 220, and the hook 311 is disengaged from the clamping slot 331, thereby releasing the first slider 310.

Referring to fig. 2, it should be noted that, in order to facilitate the sliding of the drawer 100, an end of the drawer 100 facing away from the box body is generally provided with a surrounding plate 120, and in order to enable a user to conveniently push and push the third slider 350, in some embodiments of the present invention, the surrounding plate 120 is provided with a through hole 121 for avoiding the third slider 350, and in a normal state, an end of the third slider 350 protrudes out of the through hole 121 and is exposed to the outside of the surrounding plate 120, so that the user can conveniently push and push the third slider 350 to release the first slider 310. Of course, the inner side of the enclosing plate 120 may be further installed with a bar-shaped stopper 130, when the drawer 100 slides towards the closed position, the stopper 130 can push the first lever 410 to rotate around its rotation center, thereby driving the second lever 420 to rotate, and finally enabling the second lever 420 to push the first sliding block 310 to move towards the second sliding block 330.

Of course, the switch member may have other structures, for example, in some embodiments of the present invention, the switch member includes a motor and a trigger rod, and the motor can drive the trigger rod to push the second slider 330 to move away from the first slider 310, so as to release the first slider 310. Specifically, the output shaft of the motor may drive the trigger rod to move through a chain transmission or a belt transmission, so as to push the second slider 330 to move to release the first slider 310.

According to the refrigerator provided by the invention, by arranging the energy storage pop-up mechanism 300, when the drawer 100 is pushed to slide towards the closed position to close the drawer 100, the drawer 100 drives the push rod 110 to push the first sliding block 310, so that the first sliding block 310 overcomes the elastic force of the first elastic piece 320 and moves towards the second sliding block 330 along the first sliding groove 210, and the hook 311 is clamped into the clamping groove 331 to lock the first sliding block 310; when the drawer 100 needs to be opened, the second slider 330 is pushed by the switch member, so that the second slider 330 can overcome the elastic force of the second elastic member 340 and move away from the first slider 310 along the second sliding slot 220, and the hook 311 is disengaged from the inside of the engaging slot 331 to release the first slider 310, and at this time, the first elastic member 320 can push the first slider 310 out toward the push rod 110, so that the drawer 100 is disengaged from the closed position and slides out. According to the invention, part of energy generated when the drawer 100 is closed can be converted into elastic potential energy of the first elastic member 320 through the energy storage assembly, then when the drawer 100 is opened, the first elastic member 320 can release the elastic potential energy to push the first slider 310, so that the first slider 310 pushes the push rod 110, and when the first elastic member 320 initially pushes the first slider 310, the deformation of the first elastic member 320 is maximum, so that maximum pushing force can be generated, and therefore, the drawer 100 can be separated from a closed position and slide outwards by overcoming resistance, and thus, the automatic ejection of the drawer 100 is realized. The energy storage ejection mechanism 300 is simple in structure and low in cost, high-power motor equipment is not needed, so that the production cost of the refrigerator can be greatly reduced, and when the drawer 100 slides into or out of the accommodating cavity, the noise is lower, and the use experience of a user is improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A refrigerator, characterized by comprising:

the energy storage ejection mechanism comprises an energy storage assembly and a limiting assembly, the energy storage assembly comprises a first sliding block and a first elastic piece, the first sliding block is slidably mounted in the first sliding groove, the limiting assembly comprises a second sliding block and a second elastic piece, the second sliding block is slidably mounted in the second sliding groove, the first elastic piece is connected to the bottom wall and can drive the first sliding block to move in the direction away from the second sliding block, and the second elastic piece is connected to the bottom wall and can drive the second sliding block to move in the direction towards the first sliding block;

the first sliding block is provided with a clamping hook, the second sliding block is provided with a clamping groove, and when the drawer slides towards a closed position, the push rod can push the first sliding block to overcome the elasticity of the first elastic piece and move towards the second sliding block, so that the clamping hook is clamped into the clamping groove to lock the first sliding block;

the energy storage ejection mechanism further comprises a switch piece, the switch piece is used for pushing the second sliding block to release the first sliding block, so that the first elastic piece can push the first sliding block to move towards the push rod, and the drawer is separated from the closed position and slides outwards;

wherein, follow first direction, the draw-in groove is including the first screens and the second screens of staggering the setting, first screens with be provided with the changeover portion between the second screens, the pothook card is gone into during first screens, the second elastic component can promote the second slider orientation first slider removes, so that the pothook is followed the changeover portion card is gone into the second screens, thereby makes first slider with be formed with the clearance between the push rod.

2. The refrigerator of claim 1, further comprising a labor saving mechanism, wherein the labor saving mechanism comprises a first rod and a second rod both rotatably mounted to the bottom wall, the first rod comprises a first arm and a second arm located on both sides of a rotation center of the first rod, the first arm has a length greater than that of the second arm, the second arm is slidably connected to one end of the second rod, and the drawer can push the first arm to rotate when sliding toward the closed position, so that the second arm drives the second rod to rotate to push the first slider to move toward the second slider.

3. The refrigerator of claim 2, wherein the sliding of the drawer toward the closed position includes a first stage in which the first lever carries the second lever to push the first slider to move toward the second slider, and a second stage in which the push rod pushes the first slider to move toward the second slider and the second lever is separated from the first slider.

4. The refrigerator of claim 3, wherein a stroke of the drawer in the first stage is greater than a stroke of the drawer in the second stage.

5. The refrigerator as claimed in claim 2, wherein the second arm is provided with a push block, the second lever is provided with a push groove, and the push block is slidably mounted to the push groove.

6. The refrigerator of claim 2, wherein the energy storage assembly further comprises a base slidably mounted to the first sliding groove, the base being provided with a mounting groove, and one end of the first sliding block being mounted to the mounting groove.

7. The refrigerator as claimed in claim 6, wherein the base is provided with a first pushing position and a second pushing position along a direction perpendicular to the bottom wall, the second rod member can abut against the first pushing position to drive the first slider to move, and the push rod can abut against the second pushing position to drive the first slider to move.

8. The refrigerator as claimed in claim 7, wherein the base is further provided with a step between the first push position and the second push position.

9. The refrigerator according to claim 1, wherein the bottom wall is provided with a third sliding slot, the switch member comprises a third sliding block and a third elastic member, the third sliding block is slidably mounted on the third sliding slot, and the third elastic member is connected to the bottom wall and can drive the third sliding block to move in a direction away from the second sliding block.

10. The refrigerator according to claim 9, wherein an end of the drawer facing away from the cabinet is provided with a surrounding plate, and the surrounding plate is provided with a through hole for avoiding the third slider.

11. The refrigerator of claim 1, wherein the switching member includes a motor and a trigger lever, the motor being capable of pushing the second slider to release the first slider by the trigger lever.