CN212614248U - Embedded coupling assembling and refrigeration plant - Google Patents

Abstract

The embodiment of the application provides an embedded connecting assembly and a refrigerating device. The refrigeration equipment comprises a box door and a box body, and the box body is provided with an opening. The embedded connecting assembly comprises a first connecting piece, a second connecting piece and a lining box. The first connecting piece is fixedly connected with the box door, and the second connecting piece is fixedly connected with the box body. The lining box is at least partially embedded in the box body from the opening. The lining box is provided with a containing groove, and at least part of the second connecting piece is embedded in the containing groove. The box body is provided with a first fixing part at the position of the opening, the lining box is provided with a second fixing part matched with the first fixing part, and the first fixing part and the second fixing part are matched to fix the lining box on the box body. This application reduces the whole assembly space with the inside of relevant connecting element embedding refrigeration plant, realizes the assembly that becomes more meticulous of product, increases the product loading volume of single batch transportation, reduces the cost of transportation of single product, and then promotes refrigeration plant's product competitiveness.

Description

Embedded coupling assembling and refrigeration plant

Technical Field

The application relates to the field of household appliances, in particular to an embedded connecting assembly and a refrigerating device.

Background

A refrigerator, a freezer, and the like for maintaining a constant low temperature are common household appliances for preserving food or other articles at a low temperature, and are widely used in the fields of life, business, and industry. The above-mentioned refrigerating apparatus generally includes a refrigerating box body for cryogenically preserving the relevant items and a door for closing the refrigerating box body. The box body and the box door are movably connected by movable connecting components such as hinges or hinges and the like. At present, common movable connecting assembly is required to be protruded outside the door body and the box body due to the rotating mechanism, so that the occupied space is large, the whole assembly space of the refrigeration equipment is large, high packaging cost is generated, and the transportation and boxing quantity of the refrigeration equipment is also influenced to a certain degree.

SUMMERY OF THE UTILITY MODEL

Based on the deficiencies of the existing designs, further improvement of the connection structure between the door and the box body of the existing refrigeration equipment is needed. Based on this, this application provides an embedded coupling assembling and refrigeration plant.

The embodiment of the application provides an embedded connecting assembly for movably connecting a refrigerator door (10) and a refrigerator body (20) of a refrigerating device, wherein an opening (21) is formed in the refrigerator body (20). The embedded connecting assembly (30) comprises a first connecting piece (31), a second connecting piece (32) and a lining box (33), wherein:

the first connecting piece (31) is fixedly connected with the box door (10), the second connecting piece (32) is fixedly connected with the box body (20), and the second connecting piece (32) is rotatably connected with the first connecting piece (31);

the lining box (33) is at least partially embedded in the box body (20) from the opening (21), the lining box (33) is provided with a containing groove, and the second connecting piece (32) is at least partially embedded in the containing groove;

the box body (20) is provided with a first fixing part (210) at the position of the opening (21), the lining box (33) is provided with a second fixing part (330) matched with the first fixing part (210), and the first fixing part (210) is matched with the second fixing part (330) to fix the lining box (33) on the box body (20).

Preferably, the first fixing portions (210) are fastening holes provided at two side edges of the opening (21) of the box (20), the second fixing portions (330) are fasteners provided at two side edges of the liner box (33), the fastening holes are a plurality of fastening holes symmetrically arranged at two side edges of the opening (21), and the fasteners are a plurality of fastening holes symmetrically arranged at two side edges of the liner box (33).

Preferably, the buckle comprises a first connecting part (3301), a clamping part (3302) and an installation guide part (3303) which are fixedly connected in sequence, the first connecting part (3301) is connected with the edge of the lining box (33), the clamping part (3302) extends from the first connecting part (3301) to the bottom of the box body (20), and the installation guide part (3303) extends from the clamping part (3302) to the inner direction of the box body (20) and is obliquely crossed with the clamping part (3302); when the buckle is clamped into the clamping hole, the clamping part (3302) is propped against the box body (20).

Preferably, the first fixing part (210) comprises a notch arranged on one side edge of the box body (20) at the position of the opening (21); the second fixing part (330) comprises buckles arranged at two sides of the lining box (33), and the shapes of the buckles distributed at the two sides are different; the buckle arranged on one side is an elastic abutting part corresponding to the notch, the elastic abutting part comprises a second connecting part (3311), a clamping part (3312) and an abutting part (3313), the second connecting part (3311) is fixedly connected to one end of the lining box (33), and the clamping part (3312) is connected between the second connecting part (3311) and the abutting part (3313) in an arc-shaped structure; the buckle that lining box (33) other side set up is elastic pressing sheet (3314), with lining box (33) be located the marginal portion cooperation of homonymy in order to fix box (20) is in opening (21) position department with the opposite side edge of breach relative.

Preferably, the first fixing part (210) comprises notches arranged on two side edges of the opening (21) of the box body (20), and the second fixing part (330) comprises buckles arranged on two sides of the lining box (33); after the lining box (33) and the box body (20) are assembled, the buckle corresponds to the notch in a staggered manner; a clamping space for clamping two side edges of the box body (20) at the position of the opening (21) is formed between the buckle and the two side edges of the lining box (33).

Preferably, the end of the lining box (33) far away from the door (10) is provided with a mounting guide groove (331), and the width of the mounting guide groove (331) far away from the door (10) is larger than that of the mounting guide groove (331) near the door (10).

Preferably, the embedded connecting component (30) further comprises a reinforcing plate (34), the reinforcing plate (34) is positioned on the surface of the lining box (33) opposite to the second connecting component (32) and is fixedly connected with the second connecting component (32); the reinforcing plate (34) comprises a body part (340) and a clamping claw part (341), wherein the clamping claw part (341) extends from the body part (340) to the inner direction of the box body (20) and is clamped and fixed with a shell part of the box body (20).

Preferably, the lining box (33) further comprises at least two elastic clamping pieces (333) which are respectively arranged at two sides of the lining box (33); the elastic clamping piece (333) comprises a wedge-shaped edge (3331) and a clamping edge (3332), the wedge-shaped edge (3331) and the clamping edge (3332) are connected to form a clamping space (3333), and the reinforcing plate (34) is clamped into the clamping space from the wedge-shaped edge (3331) when being assembled with the lining box (33).

Preferably, the refrigeration equipment further comprises a lining opening (11) arranged on one side of the box door (10), and the lining box (33) is abutted to the lining opening (11);

one end of the lining box (33) close to the box door (10) is provided with an abdicating step part (334) extending towards the inside of the box body (20), the lining opening (11) is provided with a notch (114) matched with the shape of the abdicating step part (334), and the abdicating step part (334) is at least partially embedded into the notch (114).

The refrigeration equipment provided by the embodiment of the application comprises a door (10), a box body (20) and the embedded connecting assembly (30).

To sum up, compare in prior art, embedded coupling assembling and refrigeration plant that this application embodiment provided can reduce the holistic assembly space of refrigeration plant through the inside with relevant connecting element embedding refrigeration plant, realize the assembly that becomes more meticulous of product, increase the product loading volume of single batch transportation, reduce the cost of transportation of single product, and then promote refrigeration plant's product competitiveness. Meanwhile, the refined structural design of each component member in the embedded connecting assembly can be stably connected with the box body, and the assembling operation of a user is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort. Meanwhile, for convenience of explaining detailed technical solutions of the present application, the dimensional ratios of the drawings provided in the embodiments of the present application may not be scaled according to actual ratios of products or an equal ratio, and thus the relevant dimensions, sizes, and dimensional ratios of the drawings should not be construed as limitations of the scope.

Fig. 1 is a schematic perspective view of a refrigeration apparatus provided in an embodiment of the present application.

Figure 2 is an exploded perspective view of the refrigeration unit shown in figure 1.

Fig. 3 is an enlarged schematic view of a part of elements in fig. 2.

Fig. 4 is an enlarged schematic view at I in fig. 3.

Fig. 5 is a schematic view of another alternative embodiment of the first fixing portion of the box body and the second fixing portion of the liner box provided in the embodiment of the present application.

Fig. 6 is a schematic view of the assembled housing and liner box of fig. 5.

Fig. 7 is a schematic view of still another alternative embodiment of the first fixing portion of the box body and the second fixing portion of the liner box according to the embodiment of the present application.

Fig. 8 is a schematic view of the assembled housing and liner box of fig. 7.

Fig. 9 is a side view of the liner cassette of fig. 3.

Fig. 10 is a schematic view of an opening position of a box body provided in an embodiment of the present application.

Fig. 11 is a schematic view of the liner box shown in fig. 3 assembled with a cabinet.

Fig. 12 is an enlarged schematic view at position II of fig. 3.

Detailed Description

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the drawings in the present application are for illustrative and descriptive purposes only and are not used to limit the scope of protection of the present application. Additionally, it should be understood that the schematic drawings are not necessarily drawn to scale. The flowcharts used in this application illustrate operations implemented according to some of the embodiments of the present application. It should be understood that the operations of the flow diagrams may be performed out of order, and steps without logical context may be performed in reverse order or simultaneously. One skilled in the art, under the guidance of this application, may add one or more other operations to, or remove one or more operations from, the flowchart.

Referring to fig. 1 and fig. 2, a perspective view and an exploded perspective view of a refrigeration apparatus 100 according to an embodiment of the present disclosure are respectively shown. The refrigerator 100 may include a door 10, a cabinet 20, and a built-in coupling assembly 30 for movably coupling the door 10 and the cabinet 20. The box body 20 is provided with an opening 21. The built-in connection assembly 30 includes a first connector 31, a second connector 32, and a cartridge 33.

The first connecting piece 31 is fixedly connected with the box door 10, the second connecting piece 31 is fixedly connected with the box body 20, and the first connecting piece 31 is rotatably connected with the second connecting piece 32, so that the movable connection between the box door 10 and the box body 20 is realized. The liner box 33 is at least partially inserted into the case 20 from the opening 21. The lining box 33 is provided with a containing groove, and the second connecting piece 32 is at least partially embedded in the containing groove.

So, with embedded coupling assembling 30's second connecting piece 31 through inside that the box 33 was embedded into box 20, reducible embedded coupling assembling 30's the exterior space that occupies to practice thrift the whole required assembly space of refrigeration plant 100, realize the assembly of refining of product, increase the product loading volume of single batch transportation, reduce the cost of transportation of single product, and then promote refrigeration plant 100's product competitiveness.

Further, the inventor researches and finds that, after the case 20 is opened so that the embedded connection assembly 30 is partially embedded inside the case, the stable connection between the embedded connection assembly 30 and the case 20 is a technical problem to be solved. In view of this, as shown in fig. 3, in the present embodiment, the case 20 has a first fixing portion 210 opened at the position of the opening 21, and second fixing portions 330 matched with the first fixing portion 210 are opened at both side edges of the liner box 33. The first fixing portion 210 is engaged with the second fixing portion 330 to fix the liner box 33 to the cabinet 20. Correspondingly, the lining box 33 and the second connecting member 32 are respectively provided with a fixing hole (e.g., a screw hole) which is matched with each other. As shown in fig. 3, the liner box 33 and the second connector 32 are respectively provided with four corresponding screw holes. In this manner, the fixing of the liner box 33 to the second connector 32 can be achieved through the fixing hole using a fixing connector (e.g., a screw).

In an alternative preferred embodiment, the first fixing portion 210 may include a clipping hole opened at both side edges of the case 20 at the position of the opening 21, and the second fixing portion 330 may include a clip arranged at both side edges of the liner box 33. In order to fix the lining box 33 and the box body 20 more firmly, the plurality of clipping holes are symmetrically arranged at two side edges of the opening 21, and the plurality of clipping hooks are symmetrically arranged at two side edges of the lining box 33. In this embodiment, the lining box 33 and the box body 20 are fixedly assembled by means of the cooperation of the buckle and the clamp hole, so that a complex mold does not need to be developed, and the assembly operation between the lining box 33 and the box body 20 is more convenient.

In this embodiment, as shown in fig. 4, the buckle may include a first connecting portion 3301, a fastening portion 3302, and an installation guide portion 3303 that are fixedly connected in sequence. The first connecting portion 3301 is connected to an edge of the liner box 33, and the engaging portion 3302 extends (e.g., extends vertically) from the first connecting portion 3301 toward the bottom of the case 20. The installation guide part 3303 extends from the fastening part 3302 to the inner direction of the box 20 so as to be oblique to the fastening part 3302, so that the whole fastener can be fastened into the fastening hole. When the buckle is clamped into the clamping hole, the clamping part 3302 is abutted against the box body 20, so as to realize the stable connection between the lining box 33 and the box body 20. In order to further facilitate the clamping of the buckle into the clamping hole, the clamping hole can be rectangular, and the length of the clamping hole is more than or equal to two times of the width.

In another alternative embodiment, as shown in fig. 5, the first fixing portion 210 may include a notch opened at one side edge of the opening 21 of the box body 20, and the second fixing portion 330 may be a buckle disposed at two sides of the liner box 33, and the shape of the buckle disposed at two sides is different. For example, the buckle disposed on one side is an elastic supporting member corresponding to the notch, the elastic supporting member includes a second connecting portion 3311, a clamping portion 3312 and a supporting portion 3313, the second connecting portion 3311 is fixedly connected to one end of the lining box 33, and the clamping portion 3312 is connected between the second connecting portion 3311 and the supporting portion 3313 in an arc structure. The buckle arranged at the other side of the lining box 33 is an elastic pressing plate 3314, which is matched with the edge part of the lining box 33 at the same side to fix the other side edge of the box body 20 opposite to the notch at the position of the opening 21. When assembling, the side of the lining box 33 where the elastic pressing plate 3314 is arranged can be firstly clamped into one side edge of the box body 20; then the clamping part 3312 is inserted into the box body 20 from the gap; when the liner box is inserted, the supporting portion 3313 is forced to be pressed toward the second connecting portion 3311, and after entering the interior of the box body 20, the supporting portion 3313 recovers its shape and then supports against the side edge of the box body 20, so as to assemble the liner box 33 with the box body 20, as shown in fig. 6.

In yet another alternative embodiment, as shown in fig. 7, the first fixing portion 210 may include notches opened at two side edges of the opening 21 of the box body 20, and the second fixing portion 330 may be a snap provided at two sides of the liner box 33. After the lining box 33 and the box body 20 are assembled, the buckle corresponds to the notch in a staggered mode. In detail, a holding space for holding both side edges of the case 20 at the position of the opening 21 is formed between the hook and both side edges of the liner box 33. In detail, for example, as shown in fig. 7, two notches are formed in each side edge of the box body 20, three buckles are respectively disposed on two sides of the liner box 33, during assembly, the two buckles below two sides of the liner box 33 are respectively clamped into the box body 20 from the corresponding notches, then the liner box 33 is pressed downward, that is, two side edges of the box body 20 are clamped into clamping spaces between the buckles and two side edges of the liner box 33, so as to facilitate assembly between the liner box 33 and the box body 20, and the shape after assembly is as shown in fig. 8.

In addition, in order to further enhance the stability of the connection between the embedded connection assembly 30 and the box body 20, referring to fig. 9, in the embodiment of the present application, the liner box 33 is provided with a mounting guide slot 331 at an end away from the box door 10. When the liner box 33 is installed on the box body 20, the liner box 33 may be first inserted into the lower edge of the box body 20 at the opening 21 through the installation guide 331, and then the liner box 33 may be stably connected to the box body 20 by the cooperation between the first fixing portion 210 and the second fixing portion 330. Meanwhile, in order to facilitate the insertion of the liner box 33 into the lower side edge of the cabinet 20 at the opening 21, the mounting guide groove 331 has a groove width (W1) at an end thereof distant from the door 10 greater than a groove width (W2) at an end thereof close to the door 10. For example, as shown in fig. 9, a lower edge of one of the groove sides forming the installation guide groove 331 may be inclined toward the inside of the cabinet 20, so that a groove width of an end far from the door 10 is larger than a groove width of an end near the door 10, and the installation guide groove 331 may be formed as an inclined guide groove.

Further, in order to ensure that the liner box 33 does not shake up and down after being fixed to the cabinet 20, as shown in fig. 9, the liner box 33 is provided with a positioning catch 335 on one groove side of the installation guide groove 331. Accordingly, as shown in fig. 10, the box 20 has a positioning hole 215 below the opening 21. When the installation guide slot 331 is inserted into the case 20 at the lower edge of the opening 21, the positioning buckle 335 is inserted into the positioning hole 215 (as shown in fig. 11), so as to fix the liner box 33 and the case 20 up and down. The positioning hole 215 may be rectangular, circular, oval, or other shapes suitable for the positioning buckle 335, and accordingly, the positioning buckle 335 may also be a buckle structure having a shape matching the positioning hole 215, such as a wedge shape having a rectangular buckle end or a structure having a cylindrical buckle end, and the like, which is not limited in this embodiment.

In this embodiment, the box body 20 may be formed by punching in advance through a punching die at a position where the opening 21 is opened in the rear side plate, so as to complete the opening 21 and the lower side positioning hole 215 of the rear side plate of the box body 20 at one time. Meanwhile, the edges at two sides of the opening 21 are formed with a profiling structure with a certain depth (for example, 2mm), so that the whole installation of the lining box 33 is convenient, the lining box 33 is kept flush with the whole rear side plate of the box body 20 after being fixed on the box body 20, and the attractive appearance of a gap is ensured.

Referring to fig. 2 and 3, the embedded connection assembly 30 further includes a reinforcing plate 34, and the reinforcing plate 34 is located on a side of the liner box 33 opposite to the second connection member 32 and is fixedly connected to the second connection member 32, so as to enhance the connection stability between the second connection member 32 and the liner box 33. The positioning post 332 is provided on the surface of the pad case 33 which is in contact with the reinforcing plate 34, and the positioning hole 342 is provided on the surface of the reinforcing plate 34 which is in contact with the pad case 33. The liner box 33 further includes at least two elastic fastening members 333 respectively disposed at two sides of the liner box 33 for fastening the reinforcing plate 34.

Meanwhile, in order to enhance the fixing firmness of the embedded connection assembly 30 and the box 20 as a whole, for example, as shown in fig. 3, the reinforcing plate 34 may be composed of a body portion 340 and a claw portion 341. The claw portion 341 extends from the main body portion 340 toward the inside of the case 20, and is fixed to a case portion of the case 20. For example, the case 20 may be a foamed case, and the claw portions 341 may grip the foaming liquid during the foaming process of the case 20, so that the reinforcing plate 34 and the object portion of the case 20 are further firmly fixed by the claw portions 341. The body portion 340 and the claw portion 341 may be integrally formed. The positioning hole 342 is opened on the body 340.

As shown in fig. 12, the elastic clamping member 333 may include a wedge-shaped edge 3331 and a clamping edge 3332, and the wedge-shaped edge 3331 and the clamping edge 3332 are connected to form a clamping space 3333. Preferably, in this embodiment, an elastic fastener 333 is provided on each of both sides of the liner box 33. During installation, the two side edges of the reinforcing plate 34 are clamped into the clamping space 333 from the wedge-shaped edge 3331, and at the same time, the positioning posts 332 are inserted into the positioning holes 342, so as to pre-fix the reinforcing plate 34 and the liner box 33, thereby facilitating further assembling operation of the liner box 33 and the reinforcing plate 34 (for example, using fixing members such as screws to further fixedly connect the reinforcing plate 34 and the liner box 33).

Referring to fig. 2 and 3 again, the box door 10 includes a lining port 11, and the lining box 33 abuts against the lining port 11. One end of the liner box 33 close to the box door 10 is provided with a yielding step portion 334 extending towards the inside of the box body 20, the liner opening 11 is provided with a notch 114 matched with the shape of the yielding step portion 334, and the yielding step portion 334 is at least partially embedded into the notch 114. In this way, the embedded connection assembly 30 can be embedded into the internal space of the refrigeration device 100 as much as possible, so as to achieve a fine assembly of the product, and further reduce the assembly space required by the refrigeration device 100 as a whole.

Further, the embedded connection assembly 30 further includes a protection housing 35. The protective housing 35 includes a first housing 351 covering the first connecting member 31 and a second housing 352 covering the second connecting member 32, so as to protect the first connecting member 31 and the second connecting member 32. In this embodiment, the appearance elements such as the material and the color of the protection housing 35 may be consistent with the box 20, so that after the embedded connection assembly 30 is integrally embedded into the box 20, the refrigeration device 100 may maintain the consistency of the appearance, and further the embedded connection assembly 30 is invisible to the user from the appearance, thereby further realizing the visual effect of embedded connection.

To sum up, the refrigeration plant 100 and the embedded connecting assembly 30 provided by the embodiment of the present application can reduce the overall assembly space of the refrigeration plant 100 through the inside of embedding the related connecting member into the refrigeration plant 100, realize the refined assembly of products, increase the product loading amount of single batch transportation, reduce the transportation cost of a single product, and further improve the product competitiveness of the refrigeration plant 100. Meanwhile, the refined structural design of each component in the embedded connecting assembly 30 can be stably connected with the box body 20, and the assembling operation of a user is facilitated.

The embodiments described above are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the application, but is merely representative of selected embodiments of the application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims. Moreover, all other embodiments that can be made available by a person skilled in the art without making any inventive step based on the embodiments of the present application shall fall within the scope of protection of the present application.

Claims (10)

1. The utility model provides an embedded coupling assembling for swing joint refrigeration plant's chamber door (10) and box (20), opening (21) have been seted up in box (20), its characterized in that, embedded coupling assembling (30) include first connecting piece (31), second connecting piece (32) and lining box (33), wherein:

the first connecting piece (31) is fixedly connected with the box door (10), the second connecting piece (32) is fixedly connected with the box body (20), and the second connecting piece (32) is rotatably connected with the first connecting piece (31);

the lining box (33) is at least partially embedded in the box body (20) from the opening (21), the lining box (33) is provided with a containing groove, and the second connecting piece (32) is at least partially embedded in the containing groove;

the box body (20) is provided with a first fixing part (210) at the position of the opening (21), the lining box (33) is provided with a second fixing part (330) matched with the first fixing part (210), and the first fixing part (210) is matched with the second fixing part (330) to fix the lining box (33) on the box body (20).

2. The embedded connection assembly of claim 1, wherein the first fixing portion (210) comprises a plurality of card holes opened at two side edges of the opening (21) of the box (20), and the second fixing portion (330) comprises a plurality of clips symmetrically arranged at two side edges of the opening (21) of the box (33), and the plurality of clips are symmetrically arranged at two side edges of the opening (21).

3. The embedded connection assembly according to claim 2, wherein the buckle comprises a first connection part (3301), a clamping part (3302) and an installation guide part (3303), which are fixedly connected in sequence, the first connection part (3301) is connected with the edge of the liner box (33), the clamping part (3302) extends from the first connection part (3301) to the bottom of the box body (20), and the installation guide part (3303) extends from the clamping part (3302) to the inner direction of the box body (20) and is obliquely crossed with the clamping part (3302); when the buckle is clamped into the clamping hole, the clamping part (3302) is propped against the box body (20).

4. The assembly according to claim 2, characterized in that said first fixing portion (210) comprises a notch opening onto one of the lateral edges at the position of the opening (21) of the box (20);

the second fixing part (330) comprises buckles arranged at two sides of the lining box (33), and the shapes of the buckles distributed at the two sides are different; the buckle arranged on one side is an elastic abutting part corresponding to the notch, the elastic abutting part comprises a second connecting part (3311), a clamping part (3312) and an abutting part (3313), the second connecting part (3311) is fixedly connected to one end of the lining box (33), and the clamping part (3312) is connected between the second connecting part (3311) and the abutting part (3313) in an arc-shaped structure; the buckle that lining box (33) other side set up is elastic pressing sheet (3314), with lining box (33) be located the marginal portion cooperation of homonymy in order to fix box (20) is in opening (21) position department with the opposite side edge of breach relative.

5. The embedded connection assembly of claim 2, wherein the first fixing portion (210) comprises notches opened at two side edges at the position of the opening (21) of the box body (20), and the second fixing portion (330) comprises buckles arranged at two sides of the liner box (33); after the lining box (33) and the box body (20) are assembled, the buckle corresponds to the notch in a staggered manner; a clamping space for clamping two side edges of the box body (20) at the position of the opening (21) is formed between the buckle and the two side edges of the lining box (33).

6. The drop-in connection assembly of claim 1, wherein the end of the liner box (33) remote from the door (10) has a mounting channel (331), and the mounting channel (331) has a channel width at the end remote from the door (10) that is greater than a channel width at the end near the door (10).

7. The built-in connection assembly according to claim 1, characterized in that the built-in connection assembly (30) further comprises a reinforcing plate (34), the reinforcing plate (34) being located on the opposite side of the lining box (33) from the second connection member (32) and fixedly connected to the second connection member (32); the reinforcing plate (34) comprises a body part (340) and a clamping claw part (341), wherein the clamping claw part (341) extends from the body part (340) to the inner direction of the box body (20) and is clamped and fixed with a shell part of the box body (20).

8. The built-in connection assembly according to claim 7, wherein the cartridge (33) further comprises at least two elastic clamping pieces (333) respectively disposed at both sides of the cartridge (33); the elastic clamping piece (333) comprises a wedge-shaped edge (3331) and a clamping edge (3332), the wedge-shaped edge (3331) and the clamping edge (3332) are connected to form a clamping space (3333), and the reinforcing plate (34) is clamped into the clamping space from the wedge-shaped edge (3331) when being assembled with the lining box (33).

9. The built-in connection assembly according to any one of claims 1 to 8, wherein the refrigerator further comprises a liner opening (11) provided at one side of the door (10), the liner box (33) abutting against the liner opening (11);

one end of the lining box (33) close to the box door (10) is provided with an abdicating step part (334) extending towards the inside of the box body (20), the lining opening (11) is provided with a notch (114) matched with the shape of the abdicating step part (334), and the abdicating step part (334) is at least partially embedded into the notch (114).

10. A cold storage appliance comprising a door (10), a cabinet (20) and a drop-in connection assembly (30) as claimed in any one of claims 1 to 9.

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