CN220931448U - Refrigerator with a refrigerator body - Google Patents

Abstract

The present utility model relates to a refrigerator, comprising: a case; a tank liner; the air duct cover plate is provided with a pushing piece in a protruding mode on the back side, and a clamping groove is formed in the side wall of the pushing piece; the overturning buckle is rotationally connected to the inner side wall of the tank liner; the limiting block is arranged on one axial side of the overturning buckle; when the air duct cover plate is installed on the rear wall of the box liner, the pushing piece can be pushed against the first end of the overturning buckle to drive the second end of the overturning buckle to rotate towards one side of the clamping groove along the first direction; when the air duct cover plate moves to the first preset position backwards, the second end of the turnover buckle can rotate and extend into the clamping groove, and can be abutted to one side, far away from the clamping groove, of the second end of the turnover buckle by the aid of the limiting block, the second end of the turnover buckle is locked and fixed in the clamping groove, the air duct cover plate is further fixed on the rear wall inside the box liner, the clamping amount of the turnover buckle and the clamping groove is larger, the turnover buckle is not easy to fall off, and the assembly tightness of the air duct cover plate is improved.

Description

Refrigerator with a refrigerator body

Technical Field

The utility model relates to the technical field of refrigeration equipment, in particular to a refrigerator.

Background

The refrigerator is a container for storing food materials by utilizing a low-temperature environment generated by phase change of a refrigerant, and is one of household appliances indispensable for the living of people. With the improvement of living standard of people, the requirements on refrigerator products are also higher and higher.

The traditional refrigerator comprises a box body, a box liner arranged in the box body and an air duct component arranged on the rear wall of the interior of the box liner. The air duct assembly generally comprises an air duct cover plate and air duct foam, wherein a buckle is arranged on the back side of the air duct cover plate, and the air duct cover plate is clamped and fixed on the rear wall inside the box liner through the buckle.

At present, in the case courage of relevant refrigerator, the buckle of wind channel apron back side is generally by the back backward extension formation of wind channel apron, and this kind of buckle carries out the joint with the inner wall of case courage mainly through self elastic deformation, and its intensity is weaker, hardly adapts to the assembly demand of wind channel apron and case courage in strict drop test, can often appear the buckle pine in refrigerator handling and take off, leads to the tightness of wind channel apron assembly lower.

Disclosure of utility model

The utility model aims to provide a refrigerator so as to optimize a connecting structure between an air duct cover plate and a refrigerator liner of the refrigerator in the related art and improve the assembly tightness of the air duct cover plate.

In order to solve the technical problems, the utility model adopts the following technical scheme:

According to one aspect of the present utility model, there is provided a refrigerator including: a case forming a housing outside the refrigerator; the box liner is arranged in the box body, and a refrigerating compartment with an opening at the front end is formed in the box body; the air duct cover plate is arranged on the rear wall inside the box liner; the back side of the air duct cover plate is convexly provided with a pushing piece extending backwards; the overturning buckle is rotationally connected to the inner side wall of the tank liner and is positioned at one side of the pushing piece; the limiting block is arranged on the inner side wall of the container and on one axial side of the overturning buckle; wherein, the side wall of the pushing piece facing the overturning buckle is concavely provided with a clamping groove; when the air duct cover plate is mounted on the rear wall of the box liner, the pushing piece can be pushed against the first end of the turnover buckle, so that the second end of the turnover buckle rotates towards one side of the clamping groove along the first direction; when the air duct cover plate moves to a first preset position in the direction close to the rear wall of the box liner, the second end of the turnover buckle can rotate and extend into the clamping groove, and the limiting block can be abutted to one side, far away from the clamping groove, of the second end of the turnover buckle so as to fix the second end of the turnover buckle in the clamping groove.

The embodiment of the utility model has the following advantages and positive effects:

In the refrigerator provided by the embodiment of the utility model, the pushing piece is arranged on the back side of the air duct cover plate, the overturning buckle and the limiting block are arranged on the back wall inside the refrigerator liner, so that the overturning buckle rotates and is clamped and fixed in the clamping groove on one side of the pushing piece, and the air duct cover plate is further fixed on the back wall inside the refrigerator liner. When the air duct cover plate is installed on the rear wall of the box liner backwards, the pushing piece can be pushed against the first end of the overturning buckle to drive the second end of the overturning buckle to rotate towards one side of the clamping groove along the first direction; when the air duct cover plate moves backwards to the first preset position, the second end of the overturning buckle can rotate and extend into the clamping groove, and can be abutted to one side, far away from the clamping groove, of the second end of the overturning buckle by the limiting block, the second end of the overturning buckle is locked and fixed in the clamping groove, and then the air duct cover plate is fixed on the rear wall inside the box liner.

Compared with the traditional buckle of carrying out the joint through elastic deformation, in this scheme upset knot gets into the draw-in groove through rotatory, and the upset knot is greater with the block volume of draw-in groove, and its joint is more firm, and the upset knot is difficult for droing, makes the wind channel apron be difficult to drop, is favorable to improving the tightness of wind channel apron assembly to can reach the assembly demand of tight drop test to wind channel apron and case courage.

Drawings

Fig. 1 is a partial schematic structure of a refrigerator according to an embodiment of the present utility model.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an enlarged schematic view of the area a of fig. 2.

Fig. 4 is a front view of fig. 1.

Fig. 5 is a B-B cross-sectional view of fig. 4.

FIG. 6 is an enlarged schematic view of the area C in FIG. 5, in which the duct cover is moved to a first predetermined position.

Fig. 7 is a front view of the interior of the tank of fig. 2.

Fig. 8 is a sectional view taken along the direction D-D in fig. 7.

Fig. 9 is an enlarged schematic view of the area E in fig. 8.

Fig. 10 is a schematic view of the structure of the duct cover of fig. 9 when it is installed.

FIG. 11 is a schematic view of a structure of the duct cover of FIG. 2.

Fig. 12 is an enlarged schematic view of the area F in fig. 11.

Fig. 13 is a schematic view of the structure of the base and flip button of fig. 3.

Fig. 14 is an exploded view of fig. 13.

Fig. 15 is a partial enlarged view of fig. 14.

Fig. 16 is a schematic view of the structure of the flip button in fig. 14.

Fig. 17 is a schematic view of the structure of fig. 16 at another viewing angle.

Fig. 18 is a sectional view taken along the direction G-G in fig. 6.

FIG. 19 is a schematic view of the air duct cover of FIG. 6 in another state, wherein the air duct cover is moved to a first predetermined position.

Fig. 20 is a sectional view taken along the direction H-H in fig. 19.

The reference numerals are explained as follows: 1. a case; 2. a tank liner; 20. a refrigeration compartment; 21. an air duct mounting groove; 3. an air duct cover plate; 31. a pushing member; 311. a clamping groove; 312. an abutting portion; 313. a clearance surface; 32. a buckle; 33. an abutting plate; 331. a second guiding inclined surface; 4. a turnover buckle; 41. a clamping part; 42. a rotating shaft portion; 43. a limiting arm; 44. a bonding surface; 51. a limiting block; 511. an abutment surface; 512. extruding the inclined plane; 52. an elastic arm; 521. a limit part; 522. a first guiding inclined surface; 53. a base; 531. a substrate; 532. a side plate; 533. a support part; 54. a rotating shaft; 6. and a reset piece.

Detailed Description

Exemplary embodiments that embody features and advantages of the present utility model will be described in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the utility model.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

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

At present, in the case courage of relevant refrigerator, the buckle of wind channel apron back side is generally by the back backward extension formation of wind channel apron, and this kind of buckle carries out the joint with the inner wall of case courage mainly through self elastic deformation, and its intensity is weaker, hardly adapts to the assembly demand of wind channel apron and case courage in strict drop test, can often appear the buckle pine in refrigerator handling and take off, leads to the tightness of wind channel apron assembly lower.

Fig. 1 is a partial schematic structure of a refrigerator according to an embodiment of the present utility model. Fig. 2 is an exploded view of fig. 1.

Referring to fig. 1 to 2, a refrigerator according to an embodiment of the present utility model mainly includes a refrigerator body 1, a refrigerator liner 2 and an air duct assembly.

Wherein, the box body 1 adopts a cuboid hollow structure. The case 1 is constructed as a housing outside the ice bin. In other embodiments, the shape of the case 1 may be designed according to the requirement, and a hollow case structure with other shapes may be used.

The interior of the case 1 is defined with a refrigerating compartment 20, and the refrigerating compartment 20 can be used as an independent storage space, such as a freezing chamber, a refrigerating chamber, a temperature changing chamber, etc., so as to meet different refrigerating demands of freezing, refrigerating, changing temperature, etc., according to different food types, and store the food.

In some embodiments, a plurality of mutually separated refrigerating compartments 20 may be provided in the case 1, and the plurality of refrigerating compartments 20 may be arranged in a vertically separated manner, or in a laterally separated manner.

Referring to fig. 1, a cabinet door is provided at a front side of a cabinet body 1 for opening and closing a refrigerating compartment 20. The refrigerator door and the refrigerator body 1 can be connected through a hinge, so that the refrigerator door can rotate around the axis of the hinge, the refrigerator door can be opened and closed, and the corresponding refrigeration compartment 20 is opened and closed. It will be appreciated that a plurality of doors may be provided and are disposed in one-to-one correspondence with the refrigeration compartments 20. Multiple doors may also open and close one refrigerated compartment 20 simultaneously.

Referring to fig. 1 and 2, a container 2 is provided in a case 1, a front side of the container 2 is opened, and a refrigerating compartment 20 is formed in an inner space of the container 2. It can be understood that a plurality of tank containers 2 can be arranged in the tank body 1, and the tank containers 2 are distributed left and right or up and down. One or more refrigeration compartments 20 may be formed in each container 2.

In some embodiments, a refrigeration assembly (not shown) is provided in the cabinet 1, and is used to provide cooling to the interior of the refrigerator, so as to maintain a low temperature environment of each refrigeration compartment 20. The refrigeration assembly comprises a compressor, a condenser, an evaporator, a throttling device and the like, and the specific structure and connection relation of the refrigeration assembly can refer to the refrigeration assembly in the related art and are not repeated herein.

Referring to fig. 1 and 2, in some embodiments, the air duct assembly is disposed inside the liner 2 and on a rear wall inside the liner 2. The refrigerating compartment 20 is formed on the front side of an air duct assembly, and the air duct assembly is arranged on the back side of the corresponding refrigerating compartment 20 in the liner 2. The air duct assembly is used for forming an air supply duct (not shown in the figure) in the box liner 2, and the air supply duct is communicated with the refrigerating compartment 20 at the front side of the air duct assembly, so that cool air in the refrigerator is conveyed into the corresponding refrigerating compartment 20 through the air supply duct, and the refrigerating function of the corresponding refrigerating compartment 20 is realized.

In some embodiments, the supply air duct is recessed to the back side of the duct assembly. When the air duct assembly is installed on the rear wall inside the case liner 2, the air supply duct can be formed between the back side of the air duct assembly and the rear wall inside the case liner 2.

In other embodiments, the air supply duct may be formed separately inside the duct assembly.

Referring to fig. 2, in some embodiments, an air duct mounting groove 21 is concavely formed on a rear wall of the interior of the liner 2, and an air duct assembly is installed in the air duct mounting groove 21. When the air duct assembly is installed in the air duct installation groove 21 inside the case liner 2, the air supply duct may also be formed between the back side of the air duct assembly and the rear side groove wall of the air duct installation groove 21.

In some embodiments, the duct assembly includes a duct cover 3 and a duct insulation board (not shown). The air duct cover plate 3 is integrally in a plate-shaped structure, and the air duct cover plate 3 is arranged at the front opening of the air duct mounting groove 21 in a covering mode. The air duct cover plate 3 is arranged in parallel or approximately parallel with the rear wall inside the box liner 2. The space on the front side of the air duct cover plate 3 is used for forming a refrigerating chamber 20, and the space between the back side of the air duct cover plate 3 and the rear wall inside the box liner 2 is used for providing an installation space for the air supply duct.

In some embodiments, the air duct insulation board is fixedly arranged on the back side of the air duct cover plate 3, and the air supply air duct is concavely arranged on the back side of the air duct insulation board. The air duct insulation board can adopt air duct foam, namely the air duct insulation board can be made of foam materials. Therefore, when the air duct cover plate 3 is covered at the front opening of the air duct mounting groove 21, the air duct heat-insulating plate is sandwiched between the back side of the air duct cover plate 3 and the rear wall inside the box liner 2, and the air supply air duct is enclosed and formed between the back side of the air duct heat-insulating plate and the rear side groove wall of the rear wall air duct mounting groove 21 inside the box liner 2.

It should be noted that, in other embodiments, the air duct insulation board may be made of other insulation materials.

In some embodiments, the supply air duct is provided with an air inlet (not shown) and an air outlet (not shown). The air inlet is used for communicating with an evaporator bin (not shown) of the refrigerator, and the air inlet is communicated with the refrigerating compartment 20. The evaporator is arranged in the evaporator bin. Therefore, the evaporator can form a large amount of cool air in the evaporator bin, and the cool air enters the air supply duct through the air inlet and is conveyed into the refrigeration compartment 20 through the air outlet, so that the refrigeration function of the refrigeration compartment 20 is realized.

It should be noted that, in other embodiments, the air duct assembly may further include an air duct back plate (not shown in the drawings), where the air duct back plate is disposed on the back side of the air duct heat insulation board, and the air duct back plate is fixedly connected to the back side of the air duct cover plate 3, so as to clamp and fix the air duct heat insulation board between the air duct cover plate 3 and the air duct bottom plate. At this time, the air supply duct may be formed between the back surface of the duct insulation board and the duct back plate.

Fig. 3 is an enlarged schematic view of the area a of fig. 2. Fig. 4 is a front view of fig. 1. Fig. 5 is a B-B cross-sectional view of fig. 4. Fig. 6 is an enlarged schematic view of the area C in fig. 5, in which the duct cover 3 is moved to the first preset position.

Referring to fig. 1 to 6, in some embodiments, a turnover buckle 4 is protruding on an inner sidewall of the liner 2, and the turnover buckle 4 is rotatably disposed on the inner sidewall of the liner 2. Meanwhile, the back side of the air duct cover plate 3 is convexly provided with a pushing piece 31, and the pushing piece 31 is arranged in a way of protruding backwards from the back surface of the air duct cover plate 3. The pushing piece 31 and the turnover buckle 4 are arranged in a front-back opposite mode, and the turnover buckle 4 is located on one side of the pushing piece 31. The side wall of the pushing piece 31 facing the overturning buckle 4 is concavely provided with a clamping groove 311. When the air duct cover plate 3 is installed on the rear wall inside the case liner 2, one end of the turnover buckle 4 can rotate and extend into the clamping groove 311, so that the air duct cover plate 3 is fixedly installed on the rear wall inside the case body 1, as shown in fig. 6.

Fig. 7 is a front view of the inside of the tank 2 in fig. 2. Fig. 8 is a sectional view taken along the direction D-D in fig. 7. Fig. 9 is an enlarged schematic view of the area E in fig. 8. Fig. 10 is a schematic view of the structure of the duct cover 3 of fig. 9 when it is installed.

Referring to fig. 6 to 10, in some embodiments, an end of the turnbuckle 4 close to the inner rear wall of the liner 2 is a first end, an end of the turnbuckle 4 away from the inner rear wall of the liner 2 is a second end, that is, a rear end of the turnbuckle 4 is a first end, and a front end of the turnbuckle 4 is a second end. When the air duct cover plate 3 is removed from the box liner 2, the turnover buckles 4 are obliquely arranged, and the state is shown in fig. 9.

When the air duct cover plate 3 is installed on the rear wall inside the case liner 2, the first end of the turnover buckle 4 is arranged opposite to the pushing piece 31, and the second end of the turnover buckle 4 is arranged on one side of the pushing piece 31 at intervals, as shown in fig. 10. Therefore, the rear end of the pushing member 31 can be first pushed against the first end of the flip button 4, so as to drive the second end of the flip button 4 to rotate towards one side of the clamping slot 311 along the first direction. And along with the air duct cover plate 3 continuing to move towards the direction close to the rear wall of the box liner 2, when the air duct cover plate 3 moves to the first preset position, as shown in fig. 6, the second end of the turnover buckle 4 can rotate and extend into the clamping groove 311, so that the turnover buckle 4 is clamped with the clamping groove 311, and the air duct cover plate 3 can be fixedly installed on the rear wall inside the box liner 2 through the turnover buckle 4.

Referring to fig. 2 to 10, in some embodiments, the flipping button 4 is formed at a peripheral edge of the duct mounting groove 21 in a protruding manner. Meanwhile, the pushing piece 31 is arranged at the peripheral edge of the back surface of the air duct cover plate 3. Therefore, when the second end of the flip button 4 can correspondingly rotate to extend into the clamping groove 311, the air duct assembly can be fixedly installed in the air duct installation groove 21 in the box body 1.

In some embodiments, the flipping button 4 is provided in plurality, and the plurality of flipping buttons 4 are circumferentially arranged at intervals at the circumferential side edge of the duct mounting groove 21. Meanwhile, a plurality of pushing pieces 31 are arranged on the peripheral side wall of the back of the air duct cover plate 3, so that a plurality of clamping grooves 311 are formed, and the clamping grooves 311 are arranged in one-to-one correspondence with the overturning buckles 4. Therefore, the plurality of turnover buckles 4 can rotate in a one-to-one correspondence manner and are clamped in the corresponding clamping grooves 311, so that the connection stability between the air duct assembly and the box liner 2 is improved.

In some embodiments, a side of the second end of the flip button 4 facing the clamping groove 311 is convexly provided with a clamping portion 41, and the clamping portion 41 is convexly arranged from the front end of the flip button 4 toward the side of the clamping groove 311. When the air duct cover plate 3 is installed on the rear wall inside the case liner 2, the pushing piece 31 can be abutted against the first end of the overturning buckle 4, so that the second end of the overturning buckle 4 rotates towards one side of the clamping groove 311, and then the clamping part 41 of the overturning buckle 4 stretches into and is clamped in the clamping groove 311, so that the clamping part 41 can be abutted against the groove side wall of the clamping groove 311, and then the air duct cover plate 3 is clamped and fixed on the rear wall inside the case liner 2. Compared with the traditional buckle for clamping through elastic deformation, in the scheme, the overturning buckle 4 enters the clamping groove 311 through rotation, the clamping amount of the clamping part 41 of the overturning buckle 4 and the clamping groove 311 is larger, the clamping is firmer, the overturning buckle 4 is not easy to fall off, the air duct cover plate 3 is not easy to fall off, the assembly tightness of the air duct cover plate 3 is improved, and the assembly requirement of the tightly-added drop test on the air duct cover plate 3 and the box liner 2 can be met.

Referring to fig. 6 to 10, in some embodiments, a limiting block 51 is disposed on an inner side wall of the liner 2, the limiting block 51 is located at one axial side of the turnbuckle 4, and the limiting block 51 is used for being clamped with the turnbuckle 4 so as to lock the clamping portion 41 at the second end of the turnbuckle 4 in the clamping groove 311. When the air duct cover plate 3 moves to the first preset position in the direction close to the rear wall of the box liner 2, as shown in fig. 6, the clamping part 41 at the second end of the turnover buckle 4 rotates and is clamped into the clamping groove 311, at this time, the limiting block 51 can be abutted against one side, far away from the clamping groove 311, of the second end of the turnover buckle 4, the turnover buckle 4 is prevented from rotating along the second direction, the second direction is opposite to the first direction, and then the clamping part 41 at the second end of the turnover buckle 4 can be locked and fastened in the clamping groove 311, so that the air duct cover plate 3 is prevented from being separated from the rear wall inside the box body 1.

In some embodiments, two limiting blocks 51 are provided, the two limiting blocks 51 are oppositely arranged at intervals, and the two limiting blocks 51 are respectively arranged at two opposite sides of the turning buckle 4 in the axial direction. When the air duct cover plate 3 moves to the first preset position in the direction close to the rear wall of the box liner 2, and the clamping portion 41 at the first end of the turnover buckle 4 rotates and is clamped into the clamping groove 311, as shown in fig. 6, the two limiting blocks 51 are all abutted against one side, far away from the clamping groove 311, of the turnover buckle 4, and the two limiting blocks 51 are abutted against the edges of the two axial sides of the turnover buckle 4, so that the turnover buckle 4 can be stably limited, and the clamping portion 41 at the first end of the turnover buckle 4 is stably fixed in the clamping groove 311.

Fig. 11 is a schematic view of a structure of the duct cover 3 in fig. 2. Fig. 12 is an enlarged schematic view of the area F in fig. 11.

Referring to fig. 11 to 12, in some embodiments, the back side of the duct cover 3 is convexly provided with a buckle 32, the buckle 32 extends rearward from the back surface of the duct cover 3, and the buckle 32 is disposed at the back side peripheral edge of the duct cover 3. When the air duct insulation board is arranged on the back side of the air duct cover plate 3, the buckle 32 can be clamped on the peripheral side wall of the air duct insulation board, and then the air duct insulation board is clamped and fixed on the back side of the air duct cover plate 3.

Fig. 13 is a schematic view of the structure of the base 53 and the flipping button 4 in fig. 3. Fig. 14 is an exploded view of fig. 13. Fig. 15 is a partial enlarged view of fig. 14.

Referring to fig. 3 to 15, in some embodiments, a rear side wall of the interior of the liner 2 is provided with a resilient arm 52 extending backward, the resilient arm 52 is disposed at a peripheral edge of the duct mounting groove 21, and the resilient arm 52 is disposed at one axial side of the flip button 4. Meanwhile, the stopper 51 is convexly arranged on one side of the elastic arm 52 facing the flip button 4.

When the air duct cover plate 3 is installed on the rear wall of the box liner 2 backward, the rear end of the pushing piece 31 presses the first end of the turnover buckle 4, so that the second end of the turnover buckle 4 rotates towards one side of the clamping groove 311 along the first direction, in the process, the turnover buckle 4 can contact and press the limiting block 51, so that the elastic arm 52 bends and deforms towards one side far away from the turnover buckle 4, and the limiting block 51 can move along with the elastic arm 52 towards one side far away from the turnover buckle 4. Meanwhile, as the turnover buckle 4 continues to rotate, when the air duct cover plate 3 moves backwards to the first preset position, as shown in fig. 6, the turnover buckle 4 can pass through the limiting block 51, the elastic arm 52 can deform and reset, the limiting block 51 is abutted against one side, far away from the clamping groove 311, of the second end of the turnover buckle 4, at the moment, the clamping part 41 of the second end of the turnover buckle 4 is clamped inside the clamping groove 311, and then the clamping part 41 of the second end of the turnover buckle 4 can be locked and fastened in the clamping groove 311.

In some embodiments, two elastic arms 52 are provided, the two elastic arms 52 are arranged oppositely at intervals, and the two elastic arms 52 are respectively arranged at two opposite sides of the flip button 4 in the axial direction, and the flip button 4 is rotatably connected between the two elastic arms 52. Meanwhile, two limiting blocks 51 are arranged, the two limiting blocks 51 are respectively arranged on the opposite side walls of the two elastic arms 52, and the two limiting blocks 51 are respectively arranged on the two opposite sides of the turnover buckle 4 in the axial direction. When the air duct cover plate 3 moves backward to the first preset position, as shown in fig. 6, the clamping portion 41 at the second end of the turnover buckle 4 is clamped inside the clamping groove 311, and the two limiting blocks 51 can be respectively abutted at two opposite side edges of the turnover buckle 4 in the axial direction.

Referring to fig. 6 to 15, in some embodiments, an abutment surface 511 is formed on a side of the stopper 51 facing the slot 311. After the air duct cover plate 3 moves to the first preset position in the direction close to the rear wall of the case liner 2, the clamping portion 41 at the second end of the turnover buckle 4 rotates and is clamped inside the clamping groove 311, and the abutting surface 511 can abut against one side, far away from the clamping groove 311, of the second end of the turnover buckle 4, so that the clamping portion 41 at the second end of the turnover buckle 4 is locked and fastened in the clamping groove 311.

In some embodiments, a side of the stopper 51 facing away from the abutment surface 511 forms a pressing ramp 512. In a direction toward away from the abutment surface 511, the pressing slope 512 is arranged to extend obliquely toward a side away from the flip button 4 in the axial direction. The pressing inclined surfaces 512 of the two stoppers 51 are arranged to extend obliquely toward both axial sides of the flip button 4. Therefore, when the second end of the flip button 4 rotates along the first direction and extends into the clamping groove 311, the flip button 4 can abut against the pressing inclined surface 512 of the limiting block 51, so that the flip button 4 can gradually press the limiting block 51 and the elastic arm 52 along the pressing inclined surface 512, and the elastic arm 52 bends and deforms to a side far away from the flip button 4. After the clamping portion 41 at the second end of the flip button 4 is clamped into the clamping groove 311, the flip button 4 can pass through the limiting block 51, so that the elastic arm 52 can be deformed and reset, and the abutting surface 511 abuts against one side, far away from the clamping groove 311, of the flip button 4, so that the clamping portion 41 at the first end of the flip button 4 is locked and fixed in the clamping groove 311.

Referring to fig. 6 to 15, in some embodiments, a base 53 is provided on a rear wall of the interior of the case 1, and the base 53 is embedded on the rear wall of the interior of the liner 2, so that the base 53 can be formed on a portion of an inner side wall of the case 1. The elastic arms 52 are disposed extending forward from the front side wall of the base 53, and two elastic arms 52 are disposed at a spacing on the front side of the base 53.

In other embodiments, the base 53 may be integrally formed on the rear wall of the inner portion of the case liner 2.

Referring to fig. 6 to 15, in some embodiments, the base 53 includes a base plate 531 and a side plate 532 that are integrally bent. The base plate 531 is attached to the rear side groove wall of the air duct mounting groove 21, the side plates 532 are arranged by bending and extending along the side edges of the base plate 531, and the side plates 532 are attached to the peripheral side groove wall of the air duct mounting groove 21. The elastic arms 52 are disposed extending forward from the front side wall of the base plate 531.

Fig. 16 is a schematic view of the structure of the flip button 4 in fig. 14. Fig. 17 is a schematic view of the structure of fig. 16 at another viewing angle.

Referring to fig. 6 to 17, in some embodiments, a rotation shaft 54 is penetrated between the two elastic arms 52, and the flipping buckle 4 is rotatably sleeved on the rotation shaft 54. The rotation shaft 54 is located in the middle area of the turnbuckle 4, and the first end of the turnbuckle 4 and the second end of the turnbuckle 4 are respectively located on two opposite sides of the turnbuckle 4. Therefore, the flip button 4 can rotate about the rotation shaft 54.

In some embodiments, a rotating shaft portion 42 is protruding from a side of the flip button 4 away from the clamping groove 311, and the flip button 4 is rotatably sleeved on the rotating shaft 54 through the rotating shaft portion 42.

In some embodiments, two rotating shaft portions 42 are convexly arranged on one side of the flip button 4 away from the clamping groove 311, and the two rotating shaft portions 42 are axially spaced. Both rotating shafts 42 are rotatably sleeved on the rotating shaft 54.

Referring to fig. 9 to 14, in some embodiments, a reset member 6 is disposed at the rotating shaft of the flip button 4, and the reset member 6 is sleeved on the rotating shaft 54. One end of the reset piece 6 abuts against the overturning buckle 4, the other end of the reset piece 6 abuts against the inner wall of the liner 2, the reset piece 6 is used for driving the overturning buckle 4 to rotate in a second direction opposite to the first direction, namely, the reset piece 6 is used for driving the second end of the overturning buckle 4 to rotate towards one side far away from the clamping groove 311, so that the clamping of the second end of the overturning buckle 4 cannot automatically withdraw from the clamping groove 311. Meanwhile, before the air duct cover plate 3 is installed, the turnover buckles 4 are obliquely arranged, and the state is shown in fig. 9. When the air duct cover plate 3 is installed on the rear wall inside the case liner 2, the front end of the pushing piece 31 can be arranged opposite to the first end of the turning buckle 4, and the second end of the turning buckle 4 is arranged on one side of the pushing piece 31 at intervals, as shown in fig. 10, so that the pushing piece 31 is prevented from being blocked.

Referring to fig. 9 and 10, in some embodiments, the reset member 6 may employ a clamp spring, one end of the clamp spring abuts against the turnbuckle 4, the other end of the clamp spring abuts against the base 53, that is, the other end of the clamp spring abuts against the inner side wall of the liner 2, so as to drive the turnbuckle 4 to rotate in the second direction, so that the turnbuckle 4 can be automatically arranged in an inclined manner, and the second end of the turnbuckle 4 can be automatically rotated in the second direction to exit the clamping slot 311.

Referring to fig. 13 to 14, in some embodiments, a supporting portion 533 is protruded from the base 53, and the supporting portion 533 is located between the two elastic arms 52. One end of the snap spring is propped against the turnover buckle 4, and the other end of the snap spring is propped against the supporting part 533.

Referring to fig. 9 to 14, in some embodiments, the shaft portion 42 is provided with a limiting arm 43 protruding thereon, and the limiting arm 43 may be disposed to extend outward along a radial direction of the shaft portion 42. Meanwhile, a limiting part 521 is convexly arranged on one side of the elastic arm 52 facing the turnover buckle 4. When the reset piece 6 drives the flip button 4 to rotate along the second direction, the limiting arm 43 can abut against the limiting portion 521, and the limiting arm 43 abuts against one side of the limiting portion 521, which is far away from the clamping groove 311, so that the flip button 4 can maintain a state of being obliquely arranged, as shown in fig. 9, and further, the second end of the flip button 4 is arranged at one side of the pushing piece 31 at intervals, and the first end of the flip button 4 can be arranged opposite to the pushing piece 31 in front-back direction.

Fig. 18 is a sectional view taken along the direction G-G in fig. 6. Fig. 19 is a schematic view of the structure of fig. 6 in another state, in which the duct cover 3 is moved to the first preset position. Fig. 20 is a sectional view taken along the direction H-H in fig. 19.

Referring to fig. 12 to 20, in some embodiments, the back side of the duct cover 3 is provided with a back-extending abutment plate 33, and the abutment plate 33 and the elastic arm 52 are disposed in front-back opposition. When the air duct cover plate 3 moves to the first preset position in a direction approaching the rear wall of the case liner 2, the abutting plate 33 is not in contact with the elastic arm 52 and is arranged in a front-rear opposite manner, as shown in fig. 18.

When the air duct cover plate 3 moves to the second preset position in the direction close to the rear wall of the box liner 2, the abutting plate 33 can abut against the elastic arm 52 and drive the elastic arm 52 to bend and change direction to the side far away from the turnover buckle 4, so that the limiting block 51 can synchronously bend and change direction to the side far away from the turnover buckle 4 along with the bending of the elastic arm 52, the limiting block 51 can be separated from the turnover buckle 4, and at the moment, the second end of the turnover buckle 4 can rotate to the second direction under the action of the reset piece 6, and the first end of the turnover buckle 4 is kept against the abutting piece 31. And then the air duct cover plate 3 is controlled to move towards the direction away from the rear wall of the box liner 2, namely, the air duct cover plate 3 is controlled to move forwards, so that the turnover buckle 4 gradually exits from the air duct mounting groove 21 along with the pushing piece 31, the second end of the turnover buckle 4 can continue to rotate towards the side away from the clamping groove 311 until the turnover buckle completely exits from the clamping groove 311, and the air duct cover plate 3 can be detached from the rear wall of the box liner 2 by referring to the state shown in fig. 10.

Referring to fig. 12 to 20, in some embodiments, a first guiding inclined plane 522 is disposed on a front end surface of the elastic arm 52, and the first guiding inclined plane 522 is disposed at an end of the elastic arm 52 facing the abutment plate 33. The first guide slope 522 is disposed to extend obliquely toward a side near the flip button 4 in the front-to-rear direction. Specifically, in the direction from the elastic arm 52 toward the abutting plate 33, the first guide slope 522 is arranged to extend obliquely toward the side close to the flip button 4, as shown in fig. 18.

The rear end surface of the abutment plate 33 is provided with a second guide inclined surface 331 which is matched with the first guide inclined surface 522, and the second guide inclined surface 331 is arranged at one end of the abutment plate 33 facing the elastic arm 52. The second guide inclined surface 331 is arranged to extend obliquely toward a side near the flip button 4 in the front-to-rear direction. Specifically, the second guide slope 331 is arranged to extend obliquely toward the side close to the flip button 4 in the direction from the elastic arm 52 toward the abutting plate 33, as shown in fig. 18.

When the air duct cover plate 3 moves in a direction close to the rear wall of the box liner 2, the second guide inclined plane 331 can correspondingly abut against the first guide inclined plane 522, so as to drive the elastic arms 52 to bend and deform in a direction away from each other, that is, drive the elastic arms 52 to bend and deform in a direction away from the turnbuckle 4, so that the limiting block 51 and the turnbuckle 4 can be separated from each other, as shown in fig. 20.

Referring to fig. 6 to 12, in some embodiments, an end of the pushing member 31 away from the duct cover 3 is provided with an abutment portion 312 extending toward one side of the flipping button 4. Meanwhile, a avoidance surface 313 is formed on one side of the pushing member 31 facing the flip button 4, the avoidance surface 313 is disposed between the clamping groove 311 and the abutment portion 312, the clamping groove 311 and the abutment portion 312 are disposed on two opposite sides of the avoidance surface 313, and the abutment portion 312 protrudes from the avoidance surface 313. Therefore, when the duct cover 3 is mounted on the rear wall of the liner 2, the pushing portion of the pushing member 31 can be pushed against the first end of the turnbuckle 4, so that the second end of the turnbuckle 4 rotates toward one side of the clamping groove 311 in the first direction, as shown in fig. 10. Meanwhile, when the air duct cover plate 3 moves to a first preset position in a direction approaching to the rear wall of the case liner 2, as shown in fig. 6, the second end of the turnover buckle 4 rotates and stretches into the clamping groove 311, and a gap is formed between the avoidance surface 313 and the first end of the turnover buckle 4.

Referring to fig. 19 to 20, in some embodiments, when the duct cover 3 moves to a second preset position in a direction approaching to the rear wall of the liner 2, the abutment plate 33 abuts against the elastic arm 52, so that the stopper 51 is separated from the flip button 4, and the reset piece 6 can drive the second end of the flip button 4 to rotate in a second direction, and the first end of the flip button 4 can extend into the gap of the avoidance surface 313 and abut against the avoidance surface 313.

Referring to fig. 16 to 20, in some embodiments, an engaging surface 44 is concavely disposed on a side of the first end of the flip button 4 facing the slot 311, the engaging surface 44 is an inclined surface, and the engaging surface 44 extends obliquely toward a side near the rotating shaft 42 in a front-to-rear direction. When the air duct cover plate 3 moves to a second preset position in a direction close to the rear wall of the box liner 2, the abutting plate 33 abuts against the elastic arm 52, so that the limiting block 51 is separated from the turnover buckle 4, and the reset piece 6 can drive the second end of the turnover buckle 4 to rotate in a second direction, so that the abutting surface 44 can abut against the avoidance surface 313, the turnover buckle 4 can be obliquely arranged, and the second section of the turnover buckle 4 can partially pass over the limiting block 51. When the air duct cover plate 3 continues to move in the direction away from the rear wall of the box liner 2, the overturning buckle 4 gradually withdraws from the air duct mounting groove 21 along with the pushing piece 31, the second end of the overturning buckle 4 can continue to rotate towards the side away from the clamping groove 311 until the overturning buckle completely withdraws from the clamping groove 311, and the state is converted into the state of fig. 10 with reference to fig. 19, so that the air duct cover plate 3 can be detached from the rear wall of the box liner 2.

Based on the technical scheme, the embodiment of the utility model has at least the following advantages and positive effects:

In the refrigerator of the embodiment of the utility model, the pushing piece 31 is arranged on the back side of the air duct cover plate 3, the turnover buckle 4 and the limiting block 51 are arranged on the back wall inside the refrigerator liner 2, so that the turnover buckle 4 rotates and is clamped and fixed in the clamping groove 311 on one side of the pushing piece 31, and the air duct cover plate 3 is further fixed on the back wall inside the refrigerator liner 2. When the air duct cover plate 3 is installed on the rear wall of the box liner 2 backwards, the pushing piece 31 can be pushed against the first end of the turnover buckle 4 to drive the second end of the turnover buckle 4 to rotate towards one side of the clamping groove 311 along the first direction; when the air duct cover plate 3 moves backwards to the first preset position, the second end of the overturning buckle 4 can rotate and extend into the clamping groove 311, and can be abutted to one side, far away from the clamping groove 311, of the second end of the overturning buckle 4 by the aid of the limiting block 51, the second end of the overturning buckle 4 is locked and fixed in the clamping groove 311, and then the air duct cover plate 3 is fixed on the rear wall inside the box liner 2.

Compared with the traditional buckle for clamping through elastic deformation, in the scheme, the overturning buckle 4 enters the clamping groove 311 through rotation, the clamping amount of the overturning buckle 4 and the clamping groove 311 is larger, the clamping is firmer, the overturning buckle 4 is not easy to fall off, the air duct cover plate 3 is not easy to fall off, the assembly tightness of the air duct cover plate 3 is improved, and the assembly requirement of the tightly-added drop test on the air duct cover plate 3 and the box liner 2 can be met.

While the utility model has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present utility model may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A refrigerator, comprising:

A case forming a housing outside the refrigerator;

The box liner is arranged in the box body, and a refrigerating compartment with an opening at the front end is formed in the box liner;

The air duct cover plate is arranged on the rear wall inside the box liner; the back side of the air duct cover plate is convexly provided with a pushing piece extending backwards;

The overturning buckle is rotationally connected to the inner side wall of the tank liner and is positioned at one side of the pushing piece;

The limiting block is arranged on the inner side wall of the container and on one axial side of the overturning buckle;

wherein, the side wall of the pushing piece facing the overturning buckle is concavely provided with a clamping groove;

When the air duct cover plate is mounted on the rear wall of the box liner, the pushing piece can be pushed against the first end of the turnover buckle, so that the second end of the turnover buckle rotates towards one side of the clamping groove along the first direction;

When the air duct cover plate moves to a first preset position in the direction close to the rear wall of the box liner, the second end of the turnover buckle can rotate and extend into the clamping groove, and the limiting block can be abutted to one side, far away from the clamping groove, of the second end of the turnover buckle so as to fix the second end of the turnover buckle in the clamping groove.

2. The refrigerator of claim 1, wherein a rear wall of the inside of the container is convexly provided with an elastic arm extending forwards, the elastic arm is arranged on one axial side of the turnover buckle, and the limiting block is convexly arranged on one side of the elastic arm facing the turnover buckle;

When the second end of the turnover buckle rotates towards one side of the clamping groove along the first direction, the turnover buckle can press the limiting block, so that the elastic arm bends and deforms towards one side far away from the turnover buckle;

When the overturning buckle passes over the limiting block, the elastic arm can deform and reset, and the limiting block is abutted to one side, far away from the clamping groove, of the second end of the overturning buckle.

3. The refrigerator as claimed in claim 2, wherein a side of the stopper facing the card slot forms an abutment surface;

When the second end of the turnover buckle rotates and stretches into the clamping groove, the turnover buckle can pass through the limiting block, and the abutting surface abuts against one side, far away from the clamping groove, of the second end of the turnover buckle so as to fix the second end of the turnover buckle in the clamping groove.

4. The refrigerator as claimed in claim 3, wherein a side of the stopper facing away from the abutment surface forms an extrusion inclined surface;

When the second end of the turnover buckle rotates and stretches into the clamping groove, the turnover buckle can prop against the extrusion inclined plane, so that the elastic arm bends and deforms to the side far away from the turnover buckle;

when the overturning buckle passes through the limiting block, the elastic arm can deform and reset, and the abutting surface abuts against one side, far away from the clamping groove, of the second end of the overturning buckle.

5. The refrigerator as claimed in claim 2, wherein the elastic arms are provided in two, and the two elastic arms are arranged in a spaced and opposite manner and are respectively arranged at two opposite sides of the turnover buckle in the axial direction;

The two limiting blocks are respectively arranged on the opposite side walls of the two elastic arms;

the turnover buckle is rotatably connected between the two elastic arms.

6. The refrigerator as claimed in claim 5, wherein a base is provided on a rear wall of the cabinet, the base being fitted to the rear wall of the cabinet;

The two elastic arms are arranged at intervals on the front side of the base and extend forward from the front side wall of the base.

7. The refrigerator as claimed in claim 5, further comprising a reset member disposed at a rotation shaft of the turnover button, the reset member for driving the turnover button to rotate in a second direction opposite to the first direction so that the second end of the turnover button is withdrawn from the clamping groove.

8. The refrigerator as claimed in claim 7, wherein a back side of the duct cover plate is convexly provided with a backward extending abutment plate, the abutment plate being disposed opposite to the elastic arm;

When the air duct cover plate moves to a second preset position in the direction close to the rear wall of the box liner, the abutting plate can abut against the elastic arm and drive the elastic arm to bend and change the direction to the side far away from the overturning buckle, so that the limiting block is separated from the overturning buckle, and the second end of the overturning buckle can rotate in the second direction under the action of the resetting piece.

9. The refrigerator of claim 7, wherein an end of the pushing member away from the duct cover plate is convexly provided with an abutting portion extending toward one side of the flip button;

A avoidance surface is formed on one side of the pushing piece facing the overturning buckle, the avoidance surface is arranged between the clamping groove and the abutting part, and the abutting part protrudes out of the avoidance surface;

When the air duct cover plate is mounted on the rear wall of the box liner, the pushing piece can be pushed against the first end of the turnover buckle, so that the second end of the turnover buckle rotates towards one side of the clamping groove along the first direction;

When the air duct cover plate moves to a first preset position in a direction close to the rear wall of the box liner, the second end of the turnover buckle rotates and stretches into the clamping groove, and a gap is reserved between the avoidance surface and the first end of the turnover buckle.

10. The refrigerator of claim 9, wherein a fitting surface is concavely formed on a side of the first end of the flip button facing the clamping groove;

When the air duct cover plate moves to a second preset position in the direction close to the rear wall of the box liner, the limiting block is separated from the overturning buckle, and the resetting piece drives the second end of the overturning buckle to rotate in the second direction, so that the joint surface is abutted to the avoidance surface.