CN217005056U - Refrigerator - Google Patents

Abstract

The utility model provides a refrigerator, which comprises a refrigerator body, a refrigerating chamber, a shelf arranged in the refrigerating chamber, a lifting grid component movably arranged below the shelf, and a rocker with one rotatable end, wherein the lifting grid component can slide along the front and back directions of the refrigerator body, a rack extending linearly along the front and back directions of the refrigerator body is arranged on the lifting grid component, gear components are arranged at the rotating ends of the rack and the rocker, and are in meshing transmission with each other, when the rocker rotates, the rack is driven to move along the extending direction through the rotation of the gear components, and the movable end of the lifting grid component is driven to move back and forth, so that the shelf can be lifted in the refrigerating chamber. The rocker is rotated to drive the lifting grid component to move up and down, so that the layer frame is driven to lift, the use is convenient and labor-saving, the operation stability is high, the layer frame does not need to be detached in the use process, the use is convenient, the metal buckle is positioned, and the bearing capacity of the adjusting structure is high.

Description

Refrigerator

Technical Field

The utility model belongs to the technical field of refrigerators, and particularly relates to a refrigerator.

Background

Along with the improvement of people's standard of living, the capacity of refrigerator product becomes bigger and bigger, and to most refrigerators, the shelf position of placing article is all fixed, and only fixed several positions can adjust the shelf position, and when the user need adjust the shelf position, need to change the shelf position with article clean up on the shelf many times, unusual inconvenience. And the relative height of shelves is fixed, when placing bigger edible material, such as watermelon, etc., if the size of edible material exceeds the height between shelves, the upper shelves need to be removed, thus wasting a part of storage space of refrigerator. The existing shelf structure uses a motor to drive the shelf to move up and down, but the whole price is higher due to the structure of a motor and the like in use.

The utility model is provided in view of the above.

SUMMERY OF THE UTILITY MODEL

The utility model provides a refrigerator aiming at the technical problem.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a refrigerator, comprising:

a box body, wherein a refrigeration chamber is arranged in the box body;

the shelf is arranged in the refrigerating compartment;

the lifting grid component is movably arranged below the shelf and can slide along the front and back direction of the box body, one end of the lifting grid component is arranged in the refrigerating chamber, the other end of the lifting grid component supports the bottom of the shelf, and a rack linearly extending along the front and back direction of the box body is arranged on the lifting grid component;

one end of the rocker is rotatably connected in the refrigerating chamber;

the gear assembly is arranged between the rotating end of the rocker and the rack and is used for enabling the gear assembly to be in meshing transmission with the rack;

when the rocker rotates, the gear assembly rotates to drive the rack to move along the extending direction and drive the movable end of the lifting grid component to move back and forth, so that the shelf is lifted in the refrigerating chamber.

Optionally, the gear assembly comprises:

the planet carrier structure is connected with the rocker and is used for rotationally linking the planet carrier structure with the rocker;

the transmission bracket is arranged in the refrigerating chamber, and an opening with teeth is arranged in the transmission bracket;

a planet wheel structure arranged in the opening and connected with the planet carrier structure;

the inner wheel of the sun wheel structure is meshed with the planet wheel structure, and the outer wheel of the sun wheel structure is meshed with the rack.

Optionally, a connecting support is arranged on one side, close to the rocker, of the planet carrier structure, the connecting support is linked with the planet carrier structure, a first installation through hole is formed in the connecting support, a first fixing through hole is formed in the side wall of the first installation through hole, a second installation through hole is formed in the position, corresponding to the rocker, of the rocker, and the rocker is fixed in the first installation through hole through a limiting pin penetrating through the first fixing through hole and the second installation through hole.

Optionally, a pawl structure is further arranged on one side of the planet carrier structure, which is far away from the planet wheel structure, one end of the pawl structure is rotatably connected to a protrusion on the planet carrier structure, and the other end of the pawl structure is tightly attached to the peripheral wall of the connecting support; the peripheral wall of the connecting support is provided with a clamping groove matched with the pawl structure in a single-phase mode, and when the connecting support rotates in the circumferential direction in one direction, the pawl structure is clamped with the clamping groove so that the shelf can be lifted; when the connecting bracket rotates circumferentially in the opposite direction, the pawl structure is separated from the clamping groove and is tightly attached to the peripheral wall of the connecting bracket so as to reset the shelf.

Optionally, one side of the planet carrier structure, which is close to the rocker, is further provided with a compression spring sheet, the compression spring sheet is connected with the pawl structure, and when the connecting support rotates circumferentially in the opposite direction, the compression spring sheet presses the pawl structure so that the pawl structure presses the peripheral wall of the connecting support.

Optionally, the connecting bracket further comprises an auxiliary member, one side of the planet carrier structure, which is close to the auxiliary member, is provided with a reset elastic sheet, and when the layer frame is reset, the auxiliary member is in contact connection with the reset elastic sheet;

the end position of the rocker is provided with a limiting bulge, and the limiting bulge is arranged on one side, close to the rocker, of the mounting box.

Optionally, the lifting grid member comprises:

the first lifting grating is arranged on one side of the shelf and arranged along the front and back directions of the box body, and the first lifting grating is connected with the gear assembly through a rack;

the second lifting grating is arranged on the other side of the layer frame, arranged along the front and back direction of the box body and connected with the first lifting grating through a connecting rod;

the gear assembly drives the rack to move, drives the movable end of the first lifting grid to move along the front-back direction of the box body, and drives the second lifting grid to move along the front-back direction of the box body through the connecting rod, so that the shelf rises or falls.

Optionally, the first lifting grid comprises:

the first grating is arranged in the refrigerating chamber, a first end point of the first grating is connected with the second lifting grating through a connecting rod, a second end point of the first grating is fixedly connected with the shelf, a third end point of the first grating is connected with the shelf in a sliding manner, a fourth end point of the first grating is hinged with one end of the rack, and the other end of the rack is connected with one end of a transmission rod;

and the second grating is arranged in the refrigerating chamber, a first end point of the second grating is connected with the box body, a second end point of the second grating is fixedly connected with the shelf, a third end point of the second grating is connected with the shelf in a sliding manner, and a fourth end point of the second grating is hinged with the other end of the transmission rod.

Optionally, the refrigerator further comprises two mounting boxes, the two mounting boxes are arranged at least and are fixedly arranged on the left side wall and the right side wall of the refrigeration chamber respectively, two ends of the layer frame are erected on one mounting box respectively, the lifting grid component and the gear component are arranged in the mounting boxes, and the rocker is connected with the gear component through the rotation of the side wall of the mounting box.

In the utility model, the mounting box can be formed by buckling two end covers, and a space for accommodating the lifting grid component, the gear component and the transmission rod is formed between the two end covers.

Optionally, still include lift adjustment subassembly, lift adjustment subassembly includes:

the limiting piece is arranged on the inner wall of the mounting box and can rotate relative to the mounting position;

the first adjusting piece is arranged at a fixing groove on the side wall of the mounting box and comprises a mounting seat with a mounting groove, a limiting part arranged above the mounting seat, a first mounting plug-in arranged inside the mounting box and a clamping piece arranged outside the mounting box;

the second adjusting piece is arranged at the fixed groove of the side wall of the mounting box and is provided with a second mounting plug-in unit, and the first adjusting piece is moved or fixed by adjusting the relative position between the second mounting plug-in unit and the first mounting plug-in unit as well as the relative position between the first adjusting piece and the limiting piece so as to adjust the relative position between the limiting part and the limiting piece;

the moving bracket is arranged on one side of the rack close to the first adjusting piece;

the lifting height of the shelf is limited by regulating the position of the first regulating piece at the fixed groove to limit the movement stroke of the rack;

when the limiting part is contacted with the limiting part, the limiting part rotates and is clamped into the mounting groove to fix the shelf.

Compared with the related technology, the utility model has the advantages and positive effects that:

the utility model provides a refrigerator, which comprises a refrigerator body, a refrigerating chamber arranged in the refrigerator body, a shelf arranged in the refrigerating chamber, a lifting grid component movably arranged below the shelf, and a rocker with one end rotatably connected to the refrigerating chamber, wherein the lifting grid component can slide along the front and back directions of the refrigerator body, one end of the lifting grid component is arranged in the refrigerating chamber, the other end of the lifting grid component supports the bottom of the shelf, a rack linearly extending along the front and back directions of the refrigerator body is arranged on the lifting grid component, a gear assembly is arranged at the rotating ends of the rack and the rocker, and the gear assembly is in meshing transmission with the rack, wherein when the rocker rotates, the rack is driven to move along the extending direction through the rotation of the gear assembly, and the movable end of the lifting grid component is driven to move back and forth, so that the shelf is lifted in the refrigerating chamber. The rocker is rotated to drive the lifting grid component to move up and down, so that the layer frame is driven to lift, the use is convenient and labor-saving, the operation stability is high, the layer frame does not need to be detached in the use process, the use is convenient, the metal buckle is positioned, and the bearing capacity of the adjusting structure is high.

Drawings

FIG. 1 is a schematic structural view of a refrigerator according to the present invention;

FIG. 2 is a schematic structural view of the shelf and the mounting box of the present invention;

FIG. 3 is a schematic view of another embodiment of the shelf and mounting box of the present invention;

FIG. 4 is an exploded view of the first layer shelf and mounting box of the present invention;

FIG. 5 is an exploded view of the second layer shelf and mounting box of the present invention;

FIG. 6 is an exploded view of a third layer shelf and mounting box of the present invention;

FIG. 7 is a schematic view of the assembly of the components of the present invention during forward rotation of the rocker arm;

FIG. 8 is a schematic view of the assembly of the components of the present invention with the rocker arm rotated in the reverse direction;

FIG. 9 is an exploded view of the lift grid member and gear assembly of the present invention;

FIG. 10 is a schematic view of the construction of the linking bracket of the present invention;

FIG. 11 is a schematic view of a first adjustment member of the present invention;

FIG. 12 is another schematic view of the first adjustment member of the present invention;

FIG. 13 is a schematic view of a second adjustment member of the present invention;

FIG. 14 is another schematic view of the second adjustment member of the present invention;

FIG. 15 is an exploded view of the lift adjust assembly of the present invention;

FIG. 16 is an assembly view of the first and second adjustment members of the present invention;

FIG. 17 is an assembly view of the first and second adjustment members of the present invention.

In the above figures:

a first end plate 1; a lifting grid member 2; a transmission rod 3; a connecting rod 5; a shelf 6; a rocker 7;

a second end plate 8; an extended range gear set member 9; a rack 10; a lifting height adjusting component 11;

a third end plate 12; a fourth end plate 13; a connecting bracket 91; compressing the elastic sheet 92;

a detent structure 94; a planet carrier structure 96; a reset spring plate 97; a planet wheel structure 98;

a sun gear structure 99; a case 14; a refrigerating compartment 141; a tank liner 142; a door body 15; a mounting box 17;

a card slot 914; a rectangular platform 915; a first mounting through hole 912; a first fixing through hole 913;

an accessory 911; a first adjuster 111; a second adjustment member 112; a mounting seat 114;

a first mounting insert 113; a stopper portion 115; a detent member 116; a second mounting insert 117;

a stopper 18; a drive bracket 910; a motion bracket 19.

Detailed Description

The present invention is further described below in conjunction with specific examples to enable those skilled in the art to better understand the present invention and to practice it, but the scope of the present invention as claimed is not limited to the scope described in the specific embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

For the refrigerator, the convenience of the user in the using process is an important part of the user experience, and the utilization rate of the refrigerator space is an important measurement index of the refrigerator product. The layer frame is as the important part of walk-in place article, and its height-adjustable not only can promote the utilization ratio of refrigerator inner space (if to higher edible material, like watermelon etc. if two-layer frame height is not enough, just need to go up layer upon layer the frame and just can place after removing), can promote the experience that the user used the refrigerator moreover greatly, as long as wave the connecting rod of refrigerator, just can easily realize reciprocating of refrigerator layer frame, and remove the in-process, need not clear away the edible material on the layer frame, it is convenient to remove.

Referring to fig. 1, the refrigerator according to the embodiment of the present invention mainly includes a refrigerator body 14, a door body 15, a shelf 6, and a mounting box 17.

The case 14 has a rectangular parallelepiped structure. A plurality of partitioned refrigerating compartments 141 may be provided in the box body 14, and each partitioned refrigerating compartment 141 may be used as an independent storage space, such as a freezing compartment, a refrigerating compartment, a temperature changing compartment, and the like, to meet different refrigerating demands, such as freezing, refrigerating, temperature changing, and the like, according to different kinds of food, and store the food. The plurality of refrigerating compartments 141 may be partitioned vertically or partitioned horizontally.

A tank container 142 is provided in the tank body 14, and a refrigerating compartment 141 is formed in the tank container 142. A plurality of containers 142 may be provided. Only one refrigerating chamber 141 may be provided in the same tank container 142, or a plurality of refrigerating chambers 141 may be provided.

The door 15 is provided at a front side of the cabinet 14 to open and close the refrigerating compartment 141. It is understood that the door 15 may be provided in plurality and in one-to-one correspondence with the cooling compartments 141. One door 15 may open and close a plurality of cooling compartments 141 at the same time.

The shelf 6 is movably disposed in the cooling compartment 141, that is, the shelf 6 is movably disposed in the tank 142 and can move up and down along the tank 142. The shelves 6 are used for placing the articles in layers. It is understood that the shelves 6 may be provided in plurality and arranged in an up-and-down spaced arrangement.

In some embodiments, the shelves 6 comprise shelves and support frames. The shelf has a plate-like structure and is disposed in the refrigerating compartment 141 in a lateral direction. The support is erected in the cooling compartment 141 and extends in the front-rear direction of the box 14. The support frames are two and are respectively arranged at the two transverse end parts of the shelf. The support bracket serves to fix and reinforce the structure of the shelf so as to fix the shelf in the refrigerating compartment 141.

In some embodiments, a clamping groove is concavely arranged on the side wall of the support frame facing the shelf, and the end part of the shelf is inserted into the clamping groove.

The mounting box 17 is fixedly mounted on the inner wall of the refrigerating compartment 141, that is, the mounting box 17 is fixedly mounted on the inner wall of the tank container 142. The number of the mounting boxes 17 is at least two. Specifically, the two mounting boxes 17 are provided, and are fixed to the left and right side walls of the tank container 142 in a left-right opposed manner. The mounting box 17 is arranged below the shelf 6 and can be used for respectively supporting two ends of the shelf 6.

In some examples of the present application, referring to fig. 2-3, a rocker 7 is provided below the shelf 6, the rocker 7 is provided with one end rotatably connected in the refrigerating compartment 141, and the rocker is rotatably connected to the gear assembly through the side wall of the mounting box 17.

By rotating the rocker, the lifting grid component 2 accommodated in the mounting box 17 is driven to move, so that the layer frame 6 is driven to ascend or descend.

In some embodiments of the present application, and with reference to fig. 4, a housing (not shown) is provided within the mounting box 17 that can be used to mount the lifting grid member 2 and gear assembly 9.

Taking the orientation in fig. 4 as an example, the mounting box 17 on the left side of the shelf 6 comprises a first end plate 1 and a second end plate 8, the mounting box 17 on the right side of the shelf comprises a third end plate 12 and a fourth end plate 13, the first end plate 1 faces the inner side wall of the refrigeration compartment 141, and the second end plate 8 faces the center of the refrigeration compartment 141. The first end plate 1 and the second end plate 8 form a receiving space therebetween. Similarly, the fourth end plate 13 faces the inner side wall of the refrigerating compartment 141, and the third end plate 12 faces the center of the refrigerating compartment 141. An accommodating space is formed between the third end plate 12 and the fourth end plate 13, and the first end plate 1, the second end plate 8, the third end plate 12 and the fourth end plate 13 are all fixed on the inner side wall of the refrigerating chamber 141.

Referring to fig. 4, the lifting grid member 2 and the gear assembly 9 are installed in the installation box 17, a through hole is formed in the installation box 17, the rotation end of the rocker 7 is detachably installed on the through hole, the lifting grid member 2 is movably arranged below the shelf 6 and can slide along the front-back direction of the box body 14, one end of the lifting grid member 2 is installed in the refrigerating compartment 141, the other end of the lifting grid member 2 supports the bottom of the shelf 6, and the lifting grid member 2 is provided with a rack 10 linearly extending along the front-back direction of the box body 14; a gear assembly 9 is mounted between the rotating end of the rocker 7 and the rack 10 for geared transmission of the gear assembly 9 with the rack 10. When the rocker 7 rotates, the gear assembly 9 rotates to drive the rack 10 to move along the extending direction and drive the movable end of the lifting grille component 2 to move back and forth, so that the shelf 6 is lifted in the refrigerating compartment 141.

Since the lifting grid element 2 takes up a relatively large amount of space, the rocker 7 needs to be pivoted out by a relatively small input pivot angle in order to ensure a sufficient lifting height. Therefore, the gear structure is selected to ensure the sufficient range extending effect,

in some embodiments of the present application, referring to fig. 9, the gear assembly 9 comprises a planet carrier structure 96, a drive carrier 910, a planet gear structure 98, and a sun gear structure 99, wherein: the planet carrier structure 96 is connected with the rocker 7, so that the planet carrier structure 96 is in rotational linkage with the rocker 7; the transmission bracket 910 is arranged in the refrigerating compartment 141, and is internally provided with a toothed opening; a planet gear structure 98 is disposed in the opening and is connected to the planet carrier structure 96; the inner wheel of the sun wheel structure 99 is meshed with the planet wheel structure 98, and the outer wheel of the sun wheel structure 99 is meshed with the rack 10.

Specifically, the planetary gear structure 98 is provided with three pinions, the sun gear structure 99 is provided with a bull gear, a toothed opening is formed in the transmission bracket 910, the toothed structures are mutually matched and meshed, and the teeth of the sun gear are matched with the teeth of the rack 10. Three pinions are uniformly arranged in the opening, the diameter of a large circle formed by the three pinions is the same as the diameter of an inner circle of the opening, the three pinions can rotate along the opening, a small circle formed by the three pinions is meshed and connected with the inner circle of the sun wheel structure 99 to realize transmission between the planet wheel structure 98 and the sun wheel structure 99, and the outer circle of the sun wheel structure 99 is meshed and connected with the rack 10 to realize transmission between the sun wheel structure 99 and the rack 10.

In some embodiments, a raised structure is also provided on the inner circle of the sun gear structure 99 for connection with the planet carrier structure 96.

Through the arrangement, when the shelf 6 needs to be lifted, the rocker 7 rotates clockwise, a large enough stroke angle is obtained after the stroke is increased through the planet wheel structure 98, the transmission bracket 910 and the sun wheel structure 99, the gear wheel of the gear assembly 9, namely, the sun wheel structure 99 is meshed with the rack 10 to drive the rack 10 to move forwards, the rack 10 drives the hinge point of the lifting grid part 2 hinged with the rack to move forwards and backwards, so that the lifting grid part 2 is driven to stretch and retract, and the shelf 6 connected with the rack is driven to lift.

Realize rocker 7 drive planet carrier structure 96 through above-mentioned connected mode and rotate, planet carrier structure 96 drives the planet wheel structure 98 rotation of connecting above that to drive sun gear structure 99 and rotate, sun gear structure 99 inner circle pinion rotates and drives outer lane gear wheel and rotate, thereby realizes the transmission of power between rocker 7 and the rack 10, and the transmission characteristic according to planet wheel structure 96 simultaneously is:

n1+a*n2-(1+a)*n3＝0

where n1 is the sun gear speed, n2 is the ring gear speed, n3 is the planet gear speed, and a is the ring gear tooth count/sun gear tooth count.

By designing a specific number of teeth, a large transmission ratio can be achieved with a small space. And a shaft and circular hole is added in the middle of the sun wheel structure 99, one end of the shaft and circular hole is connected with the planet carrier structure 96, and the other end of the shaft and the third end cover 12 are connected, so that the small-space fixation of the sun wheel structure 99 is realized.

In some embodiments of the present application, referring to fig. 9, a connecting bracket 91 is disposed on a side of the planet carrier structure 96 close to the rocker 7, the connecting bracket 91 is linked with the planet carrier structure 96, a first mounting through hole 912 is disposed on the connecting bracket 91, a first fixing through hole 913 is disposed on a side wall of the first mounting through hole 912, a second mounting through hole is disposed at a corresponding position of the rocker 7, and the rocker 7 is fixed in the first mounting through hole 912 by passing through the first fixing through hole 913 and the second mounting through hole via a limit pin. Specifically, referring to fig. 10, it is avoided that the space of the foam layer of the refrigerator is occupied due to the fact that the thickness of the mechanism is too large due to the fact that the whole gear range-increasing structure is too thick, the connecting bracket 91 is specifically set to be a cylindrical structure, a rectangular platform 915 is arranged on one side close to the planet wheel structure 98, a clamping groove 914 is arranged on one side far away from the planet wheel structure 98 and used for being clamped with or separated from the pawl structure 94, a first mounting through hole 912 is arranged in the middle of the cylindrical structure and is a square through hole, the caliber of the first mounting through hole 912 is increased from inside to outside, a first fixing through hole 913 penetrating through the first mounting through hole 912 is arranged on the rectangular platform 915, a first fixing through hole 913 is arranged in the first mounting through hole 912 in an extending mode and is matched with a second mounting through hole arranged at a corresponding position of the rocker 7, in the using process, the rotating end of the rocker 7 is inserted into the first mounting through hole 912, the spacer pin is inserted into the first fixing through hole 913 and the second mounting through hole from the rectangular platform, so that the reliability of connection between the rocker 7 and the connecting bracket 91 is ensured in a small connecting space.

In some embodiments of the present application, referring to fig. 7-8, the side of the planet carrier structure 96 away from the planet gear structure 98 is further provided with a detent structure 94, one end of the detent structure 94 is rotatably connected to a protrusion on the planet carrier structure 96, and the other end of the detent structure 94 abuts against the peripheral wall of the connecting bracket 91; a clamping groove matched with the pawl structure 94 in a single-phase mode is formed in the peripheral wall of the connecting support 91, and when the connecting support 91 rotates in the circumferential direction in one direction, the pawl structure 94 is clamped with the clamping groove, so that the shelf 6 can be lifted; when the connecting bracket 91 is rotated circumferentially in the opposite direction, the detent structure 94 disengages from the catch and abuts against the peripheral wall of the connecting bracket 91 to restore the shelf 6.

In some embodiments of the present application, referring to fig. 7-8, the side of the planet carrier structure 96 near the rocker is further provided with a compression spring 92 connected to a detent structure 94, and when the linking bracket 91 is rotated circumferentially in the opposite direction, the compression spring 92 presses against the detent structure 94 to press the detent structure 94 against the peripheral wall of the linking bracket 91.

Specifically, referring to fig. 7-8, linking bridge 91 needs to be connected with planet carrier structure 96 when rocker 7 rotates in the forward direction, and to be separated from planet carrier structure 96 when rotating in the reverse direction, so as to ensure that rocker 7 can both drive forward lifting shelf 6, and can rotate in the reverse direction after lifting shelf 6 to reset shelf 6 structure. The connecting bracket 91 is connected to the planet carrier structure 96 by means of a pawl structure 94,

when rocker 7 clockwise rotates, it promotes layer frame 6, and at this moment, pawl structure 94 joint guarantees the reliability of connecting in the recess of linking bridge 91.

When rocker 7 rotates anticlockwise and resets, pawl structure 94 receives the pressure of compressing tightly shell fragment 92, presses on linking bridge 91's surface to guarantee rocker 7 and planet carrier structure 96's separation, and guarantee the fixity in pawl structure 94 position, accuracy and reliability when assurance pawl structure 94 is connected with linking bridge 91 once more. And the end part of the pawl structure 94 is fixed on the planet carrier structure 96 through a 9-shaft end retainer ring, so that the reliability of axial installation of the pawl structure 94 in the movement process is avoided.

In some embodiments of the present application, referring to fig. 7-9, the connecting bracket 91 further includes an auxiliary member, and a reset spring 97 is disposed on a side of the planet carrier structure 96 close to the auxiliary member, and when the layer frame 6 is reset, the auxiliary member is in contact connection with the reset spring 97. Specifically, be provided with two auxiliaries in cylindrical structure's periphery, be provided with the shell fragment 97 structure that resets that links to each other with the auxiliary of linking bridge 91 on planet carrier structure 96 to guarantee that layer frame 6 risees the back, the shell fragment 97 that resets can promote rocker 7 and reset, avoids rocker 7 to rotate the back position change, influences the user and uses the refrigerator. A limit bulge is added at the end part of the rocker 7 to ensure that the reset position of the rocker 7 is constant.

In some embodiments of the present application, a limiting protrusion is disposed on an end position of the rocker 7, and the limiting protrusion is disposed on one side of the mounting box 17 close to the rocker 7 to limit the position of the rocker 7, so as to ensure that the reset position of the rocker 7 is constant.

In some embodiments of the present application, referring to fig. 4-6, the lifting grid member 2 comprises a first lifting grid and a second lifting grid, wherein: the first lifting grating is arranged on one side of the layer frame 6 and arranged along the front and back direction of the box body 14, and the first lifting grating is connected with the gear assembly 9 through the rack 10; the second lifting grating is arranged on the other side of the layer frame 6, arranged along the front and back direction of the box body 14 and connected with the first lifting grating through a connecting rod 5;

the gear assembly 9 drives the rack 10 to move and drives the movable end of the first lifting grid to move along the front-back direction of the box body 14, and the connecting rod 5 drives the second lifting grid to move along the front-back direction of the box body 14, so that the shelf 6 is lifted or lowered.

Through the arrangement, the shelf 6 vertically moves up and down, does not move front and back, and does not occupy the front and back space of the refrigerator; the shelf 6 moves up and down by using a lever structure, and the lifting process is labor-saving; in the up-and-down lifting process, the shelf 6 is lifted and lowered along with the lifting, and the articles on the shelf 6 do not need to be cleaned.

The first and second lifting grids on both sides transmit torque through one connecting rod 55, and if the rotational resistance of the connecting rod 55 is too large, the transmission effect is affected, so that the ball bearing structure is increased or decreased on both sides of the shaft to reduce the rotational resistance of the intermediate rod.

It should be noted that a single grid includes four endpoints, the lower right corner is the first endpoint, the rotation is counterclockwise, and the other endpoints are named as the second endpoint, the third endpoint and the fourth endpoint at a time.

In some embodiments of the present application, the first lifting grid comprises a first grid and a second grid, wherein:

the first grating is arranged in the refrigeration compartment 141, a first end point of the first grating is connected with the second lifting grating through a connecting rod 5, a second end point of the first grating is fixedly connected with the shelf 6, a third end point of the first grating is connected with the shelf 6 in a sliding manner, a fourth end point of the first grating is hinged with one end of the rack 10, and the other end of the rack 10 is connected with one end of a transmission rod; the second grating is arranged in the refrigeration chamber 141, a first end point of the second grating is connected with the box body 14, a second end point of the second grating is fixedly connected with the shelf 6, a third end point of the second grating is connected with the shelf 6 in a sliding manner, and a fourth end point of the second grating is hinged with the other end of the transmission rod.

By the arrangement, the problem that the layer frame 6 is tilted forwards and backwards after being lifted due to the fact that the layer frame 6 is lifted and the connection is unstable due to the fact that the layer frame 6 is lifted when the layer frame 6 receives front and back acting forces in the lifting process is solved.

Specifically, the first lifting grid is an upward movement support structure, and one end of the first lifting grid is hinged to the shell, and the other end of the first lifting grid is hinged to the rack 10. As shown in fig. 5, when the movable end of the first lifting grid moves left and right, the first end point of the first lifting grid rotates around the housing and does not move, while the fourth end point rotates left and right along the groove in the housing and does not move up and down. The second end point vertically moves up and down, and the third end point moves up and down as well as left and right. Therefore, the second end point is connected or glued through the suction cup, and the connection and the fixation of the layer frame 6 and the lifting grating are ensured to be reliable. In order to ensure the smoothness in the lifting process, the third end point of the moving end is connected with the roller structure, so that the lifting smoothness of the moving mechanism is improved.

In some embodiments of the present application, referring to fig. 4 to 5, the second lifting grid comprises a first grid and a second grid, the fourth end point of the first grid is connected with the connecting rod 5, the second end point and the third end point of the first grid are connected with the shelf 6 through pulleys, the first end point of the first grid is connected with one end of the driving rod 3, the first end point of the second grid is connected with the other end of the driving rod 3, so that the first grid and the second grid are linked, the second end point and the third end point of the second grid are connected with the shelf 6 through pulleys, and the fourth end point of the second grid is installed in the mounting box 17.

Above setting, drive the rotation of second lift grid through the tie point when first lift grid rotates, the fourth end point of first grid rotates and stimulates transfer line 3 and moves right, and transfer line 33 passes through the pin joint and drives the rotation of second grid to realize that the left and right sides support risees in step.

In some embodiments, the components are made of metal, so that the overall bearing capacity is high.

In some embodiments of the present application, referring to fig. 15, the lifting adjustment assembly 11 includes a first adjustment member 111, a second adjustment member 112, a moving bracket 19 and a limiting member 18, the moving bracket 19 is connected to one end of the rack 10, the moving bracket 19 is linked with the rack 10, a frame plate is disposed on the moving bracket 19, a fixing groove is formed on the frame plate, the first adjustment member 111 and the second adjustment member 112 are mounted at the fixing groove, the limiting member 18 is mounted on the fourth end plate 13 through a protrusion structure, and the second adjustment member 112 can rotate around the protrusion.

Referring to fig. 11 to 12, the first adjustment member 111 includes a mounting seat 114 having a mounting groove, a limiting portion 115 disposed above the mounting seat, a first mounting insert 113 disposed inside the mounting box, and a locking member 116 disposed outside the mounting box.

Referring to fig. 13 to 14, the second adjustment member 112 includes a second mounting insert 117, and the detent member 116 is inserted through the fixing groove and the second mounting insert 117 is mounted between the first mounting insert 113 and the detent member 116 to fix the position of the first adjustment member 111.

In actual use, the structure of the first adjusting member 111 is adjusted first, and the rear end of the first adjusting member 111 is connected with the fixing groove of the moving bracket 19. When it is desired to move the first adjusting member 111, the second adjusting member 112 is moved to the left (the side close to the first adjusting member 111), and referring to fig. 16 in particular, the tail of the sliding block 11-2 may be deformed. When the first adjusting member 111 needs to be fixed, the second adjusting member 112 moves to the right side (the side far from the first adjusting member 111), and referring to fig. 17 in particular, the first adjusting member 111 is fixed in the fixing groove of the moving bracket 19, so as to ensure the reliable fixing of the first adjusting member 111.

Specifically, the limiting member 18 is configured to be of an X-like structure, and the relative position between the limiting portion 115 and the limiting member 18 can be adjusted by adjusting the position of the first adjusting member 111 in the fixing groove, so as to limit the operation range of the rack 10, and further limit the lifting height of the shelf 6. By adjusting the relative positional relationship of several shift positions between the limiting portion 115 and the limiting member 18, the rack can have a plurality of adjustment shift positions.

After the position of the first adjusting member 111 is adjusted, the distance between the contact point of the first mounting plug 11 on the first adjusting member 111 and the limiting member 18 is changed, and the fixing groove on the moving bracket 19 is changed accordingly, so that the left-right moving distance of the moving bracket 19 is changed, and the lifting height of the shelf is changed.

When the lifting shelf is slid to a certain position, the second adjusting piece 112 is used for fixing the first adjusting piece 111, at the moment, the first adjusting piece 111 is connected with the moving support 19, after the moving support 19 is pushed by the rocker to move forwards, the first adjusting piece 111 moves forwards together, after the moving support moves to a position in contact with the limiting piece 18, the bump point of the first adjusting piece 111 collides with the limiting piece 18, the limiting piece 18 rotates, and the bump point is clamped into the fixing groove of the first adjusting piece 111 and the clamping groove of the frame, so that the fixing of the moving support 19 is realized, and the purpose of fixing the lifting shelf is achieved.

Through above setting, the overall position of layer frame is adjustable to, on layer frame fixed position, can upwards adjust a plurality of gears, promote user's use and experience.

In summary, the utility model provides a refrigerator with a structure capable of manually adjusting a shelf to move up and down, comprising a box body, a refrigeration chamber arranged in the box body, a shelf arranged in the refrigeration chamber, a lifting grid component movably arranged below the shelf, and a rocker with one end rotatably connected to the refrigeration chamber, wherein the lifting grid component can slide along the front and back direction of the box body, one end of the lifting grid component is arranged in the refrigeration chamber, the other end of the lifting grid component supports the bottom of the shelf, the lifting grid component is provided with a rack 10 which extends linearly along the front and back direction of the box body, the rack 10 and the rotating end of the rocker are provided with a gear component, the gear component is meshed with the rack 10 for transmission, when the rocker rotates, the rack 10 is driven by the rotation of the gear component to move along the extending direction, and the movable end of the lifting grid component is driven to move back and forth, so that the shelves can be lifted and lowered in the refrigerating compartment. The rocker is rotated to drive the lifting grid component to move up and down, so that the layer frame is driven to lift, the use is convenient and labor-saving, the operation stability is high, the layer frame does not need to be detached in the use process, the use is convenient, the metal buckle is positioned, and the bearing capacity of the adjusting structure is high.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (10)

1. A refrigerator, characterized by comprising:

a box body, wherein a refrigeration chamber is arranged in the box body;

the shelf is arranged in the refrigerating chamber;

the lifting grid component is movably arranged below the shelf and can slide along the front-back direction of the box body, one end of the lifting grid component is arranged in the refrigerating chamber, the other end of the lifting grid component supports the bottom of the shelf, and a rack linearly extending along the front-back direction of the box body is arranged on the lifting grid component;

one end of the rocker is rotatably connected in the refrigerating chamber;

the gear assembly is arranged between the rotating end of the rocker and the rack and is used for enabling the gear assembly to be in meshing transmission with the rack;

when the rocker rotates, the gear assembly rotates to drive the rack to move along the extending direction and drive the movable end of the lifting grid component to move back and forth, so that the shelf is lifted in the refrigerating chamber.

2. The refrigerator of claim 1, wherein the gear assembly comprises:

the planet carrier structure is connected with the rocker so as to be in rotational linkage with the rocker;

the transmission bracket is arranged in the refrigerating chamber, and an opening with teeth is formed in the transmission bracket;

a planet wheel structure disposed in the opening and connected with the planet carrier structure;

and the inner wheel of the sun wheel structure is meshed with the planet wheel structure, and the outer wheel of the sun wheel structure is meshed with the rack.

3. The refrigerator as claimed in claim 2, wherein a connecting bracket is disposed on a side of the planet carrier structure adjacent to the swing lever, the connecting bracket is linked with the planet carrier structure, a first mounting hole is disposed on the connecting bracket, a first fixing hole is disposed on a sidewall of the first mounting hole, a second mounting hole is disposed at a position corresponding to the swing lever, and a limit pin passes through the first fixing hole and the second mounting hole to fix the swing lever in the first mounting hole.

4. The refrigerator as claimed in claim 3, wherein a pawl structure is further disposed on a side of the planet carrier structure away from the planet wheel structure, one end of the pawl structure is rotatably connected to a protrusion on the planet carrier structure, and the other end of the pawl structure is tightly attached to the peripheral wall of the connecting bracket; the peripheral wall of the connecting support is provided with a clamping groove matched with the pawl structure in a single-phase mode, and when the connecting support rotates in the circumferential direction in one direction, the pawl structure is clamped with the clamping groove so as to enable the shelf to be lifted; when the connecting support rotates in the circumferential direction in the opposite direction, the pawl structure is separated from the clamping groove and is tightly attached to the circumferential wall of the connecting support, so that the shelf is reset.

5. The refrigerator as claimed in claim 4, wherein a pressing spring is further disposed on a side of the planet carrier structure adjacent to the rocker, and connected to the ratchet structure, and when the connecting bracket rotates circumferentially in an opposite direction, the pressing spring presses against the ratchet structure, so that the ratchet structure presses against the circumferential wall of the connecting bracket.

6. The refrigerator of claim 1, wherein the lifting grill member comprises:

the first lifting grating is arranged on one side of the shelf and arranged along the front-back direction of the box body, and the first lifting grating is connected with the gear assembly through the rack;

the second lifting grid is arranged on the other side of the shelf, arranged along the front-back direction of the box body and connected with the first lifting grid through a connecting rod;

the gear assembly drives the rack to move and drives the movable end of the first lifting grid to move along the front-back direction of the box body, and the connecting rod drives the second lifting grid to move along the front-back direction of the box body, so that the shelf rises or falls.

7. The refrigerator according to claim 6, wherein the first lifting grill comprises:

the first grating is arranged in the refrigerating chamber, a first end point of the first grating is connected with the second lifting grating through the connecting rod, a second end point of the first grating is fixedly connected with the shelf, a third end point of the first grating is in sliding connection with the shelf, a fourth end point of the first grating is hinged with one end of the rack, and the other end of the rack is connected with one end of a transmission rod;

the second grating is arranged in the refrigerating chamber, a first end point of the second grating is connected with the box body, a second end point of the second grating is fixedly connected with the shelf, a third end point of the second grating is connected with the shelf in a sliding manner, and a fourth end point of the second grating is hinged with the other end of the transmission rod.

8. The refrigerator as claimed in claim 4, further comprising two mounting boxes, wherein the two mounting boxes are respectively fixed on the left and right side walls of the refrigerating compartment, two ends of the shelf are respectively erected on one of the mounting boxes, the lifting grid component and the gear component are arranged in the mounting boxes, and the rocker is rotatably connected with the gear component through the side wall of the mounting box.

9. The refrigerator according to claim 8, wherein the connecting bracket further comprises an auxiliary member, a reset spring is arranged on one side of the planet carrier structure close to the auxiliary member, and when the shelf is reset, the auxiliary member is in contact connection with the reset spring;

the end part of the rocker is provided with a limiting bulge, and the limiting bulge is arranged on one side, close to the rocker, of the mounting box.

10. The refrigerator of claim 8, further comprising a lift adjustment assembly, the lift adjustment assembly comprising:

the limiting piece is arranged on the inner wall of the mounting box and can rotate relative to the mounting position;

the first adjusting piece is arranged at a fixing groove on the side wall of the mounting box and comprises a mounting seat with a mounting groove, a limiting part arranged above the mounting seat, a first mounting plug-in arranged inside the mounting box and a clamping piece arranged outside the mounting box;

the second adjusting piece is arranged at the fixing groove of the side wall of the mounting box, a second mounting plug-in is arranged on the second adjusting piece, and the first adjusting piece is moved or fixed by adjusting the relative positions of the second mounting plug-in, the first mounting plug-in and the clamping piece so as to adjust the relative positions of the limiting part and the limiting part;

the moving bracket is arranged on one side of the rack close to the first adjusting piece;

the lifting height of the shelf is limited by regulating the position of a first regulating piece at the fixing groove to limit the movement stroke of the rack;

when the limiting part is contacted with the limiting part, the limiting part rotates and is clamped into the mounting groove to fix the shelf.

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