Door body assembly and refrigeration equipment

Abstract

According to the door body assembly and the refrigeration equipment, the door body assembly is fixed through a pure buckle insertion structure, screws are omitted, the assembly process is simplified, and the manufacturing cost is reduced. The door body assembly comprises a decorative strip and a frame. The decorative strip is provided with an abutting wall, a vertical limiting part (comprising a first inclined wall, a second inclined wall, a first positioning part and a second positioning part) and a horizontal limiting part, the first inclined wall and the second inclined wall incline in opposite directions, and the distance between the outer surfaces is gradually increased when the distance is close to the abutting wall. In the assembling process, the frame is inserted into the decoration strip in the extending direction and abuts against the first inclined wall and the second inclined wall, the inclined walls are obliquely designed to guide the frame to slide stably till the end of the frame makes contact with the abutting wall, the first positioning wall naturally abuts against the first positioning part, the second positioning wall naturally abuts against the second positioning part, and the locking effect is achieved. The design limits the movement of the frame in the vertical and horizontal directions, and ensures high assembly precision and strong stability. The locking device is simple to operate, can be locked only through vertical pushing, shortens the assembly time, is suitable for refrigeration equipment such as a refrigerator, improves the durability and attractiveness of a door body, reduces the material management and quality control cost, and realizes structure optimization and function improvement.

Description

TECHNICAL FIELD

[0001] The utility model relates to a door body assembly, especially a refrigeration equipment with the door body assembly. BACKGROUND

[0002] In the manufacture of refrigerator door body, the assembly of trim and side frame is a key link. The traditional assembly method usually relies on screw fixing. Although this method can ensure the stability and sealing of the door body, it also brings many problems. For example, screw fixing needs to be tightened one by one, which takes a long time and reduces production efficiency. At the same time, the screw is prone to looseness or damage due to improper operation during installation and disassembly, affecting the durability of the door body. More importantly, the screw hole will damage the appearance of the door body, which is particularly disadvantageous in high-quality refrigerator products that pursue high-end design.

[0003] However, if no screw is set, there are still many problems to be solved in terms of how to accurately align and install, how to simplify the operation difficulty, and how to prevent the door frame from deforming. SUMMARY

[0004] To solve the problem that the door body assembly in the prior art has high strength while avoiding a series of problems caused by screws, the utility model aims to provide a door body assembly and a refrigeration equipment which replace the traditional screw fixing method and solve many problems in efficiency, cost, complexity and appearance 。

[0005] To achieve the above utility model purposes, an embodiment of the utility model provides a door body assembly, comprising:

[0006] The trim comprises a bearing wall, a vertical limiting part and a horizontal limiting part. The vertical limiting part comprises a first inclined wall and a second inclined wall. The first inclined wall and the second inclined wall are inclined in opposite directions, and the distance between the outer surfaces gradually increases in the direction close to the bearing wall. A first positioning part is arranged on the side of the first inclined wall close to the bearing wall, and a second positioning part is arranged on the side of the second inclined wall close to the bearing wall.

[0007] The frame comprises a vertical locking part and a horizontal locking part. The vertical limiting part cooperates with the vertical locking part to limit the movement of the frame in the vertical direction. The horizontal limiting part cooperates with the horizontal locking part to limit the movement of the frame in the horizontal direction. The vertical locking part comprises a first positioning wall and a second positioning wall.

[0008] When the frame is inserted into the trim along the extension direction of the frame and abuts against the first inclined wall and the second inclined wall respectively, until the end of the frame abuts against the bearing wall, the first positioning wall abuts against the first positioning part, and the second positioning wall abuts against the second positioning part.

[0009] As a further improvement of the utility model, the decorative strip comprises a first decorative strip and a second decorative strip, the first decorative strip and the second decorative strip are oppositely arranged along the horizontal direction, the frame comprises a first frame and a second frame, the first frame and the second frame are vertically arranged between the first decorative strip and the second decorative strip, and the first decorative strip, the second decorative strip, the first frame and the second frame enclose a square frame.

[0010] As a further improvement of the utility model, the first decorative strip and the second decorative strip are injection molded parts, and the first frame and the second frame are sheet metal parts.

[0011] As a further improvement of the utility model, the frame comprises a side wall, a front wall and a rear wall, the front wall and the rear wall extend outward from one side of the side wall respectively, the front wall and the rear wall are oppositely arranged, the first positioning wall is arranged on the front wall, and the second positioning wall is arranged on the rear wall.

[0012] As a further improvement of the utility model, a third inclined wall is further arranged on the front wall, a fourth inclined wall is further arranged on the rear wall, the third inclined wall is arranged in the same inclined direction as the first inclined wall, the fourth inclined wall is arranged in the same inclined direction as the second inclined wall, the first positioning wall is arranged at the end of the third inclined wall, and the second positioning wall is arranged at the end of the fourth inclined wall.

[0013] During the insertion of the frame and the decorative strip, the third inclined wall slides along the first inclined wall, and the fourth inclined wall slides along the second inclined wall.

[0014] As a further improvement of the utility model, the decorative strip comprises a front abutting wall, a side abutting wall and a rear abutting wall, the front abutting wall is abutted with the front wall, the side abutting wall is abutted with the side wall, and the rear abutting wall is abutted with the rear wall.

[0015] As a further improvement of the utility model, a blocking wall is arranged on the side of the front wall away from the side wall, the blocking wall is parallel to the side wall, the horizontal limiting part comprises a front groove formed at the connecting position of the front wall and the blocking wall, the front abutting wall is inserted into the front groove, and the blocking wall is abutted with the decorative strip.

[0016] As a further improvement of the utility model, the horizontal limiting part comprises a rear groove formed between the side abutting wall and the rear abutting wall, and the rear wall is inserted into the rear groove.

[0017] As a further improvement of the utility model, the horizontal limiting part comprises a positioning protrusion arranged on the abutting wall, a positioning groove is arranged at the end of the frame towards the abutting wall, and the positioning protrusion is inserted into the positioning groove.

[0018] To achieve one of the above purposes, the utility model provides a refrigeration equipment, its characterized in that, the refrigeration equipment includes the door body subassembly of above.

[0019] Compared with the common technology, the door body subassembly adopts the pure buckle plug-in structure and is fixed, cancels the use of screw, simplifies the assembly process, reduces the cost of material management and quality control, and only needs to be locked by vertical pushing during assembly, so that the operation is simple and fast, the assembly time is greatly shortened, and the operator only needs to push the frame into the decorative strip along the extension direction, and the frame will slide along the inclined surfaces of the first inclined wall and the second inclined wall. Due to the gradually increasing spacing of the inclined wall outer surface, the insertion process of the frame is stable and easy to align. When the end of the frame finally abuts against the abutting wall, the abutting relationship between the first positioning wall and the first positioning part and the second positioning wall and the second positioning part is naturally formed, so that the self-locking effect is realized. This design ensures that the frame will not easily loosen or fall off, and the assembly precision and consistency are also guaranteed. The inclined wall and the positioning part of the decorative strip cooperate with the locking part of the frame, which not only simplifies the assembly process and reduces the manufacturing cost, but also ensures the stability and durability of the door body subassembly in use. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic view of the door body subassembly of the utility model one embodiment;

[0021] Figure 2 It is the explosion view of the door body subassembly of the utility model one embodiment;

[0022] Figure 3 It is Figure 2 The partial enlarged view of A in Fig.;

[0023] Figure 4 It is one of the partial sectional view of the door body subassembly of the utility model one embodiment;

[0024] Figure 5 It is another partial sectional view of the door body subassembly of the utility model one embodiment;

[0025] Figure 6 It is the structure schematic view of the frame of the utility model one embodiment;

[0026] Figure 7 It is the longitudinal sectional view of the door body of the utility model one embodiment;

[0027] Figure 8 It is Figure 7 The partial enlarged view of B in Fig.;

[0028] Figure 9 is Figure 7 is a local enlarged view at C in

[0029] Wherein, 100, door body assembly; 10, trim strip; 101, first trim strip; 102, second trim strip; 11, abutting wall; 12, horizontal limiting part; 121, positioning protrusion; 122, rear groove; 13, vertical limiting part; 131, first inclined wall; 132, first positioning part; 133, second inclined wall; 134, second positioning part; 14, front abutting wall; 15, rear abutting wall; 16, side abutting wall; 20, frame; 201, first frame; 202, second frame; 21, side wall; 22, front wall; 221, first positioning wall; 222, blocking wall; 223, front groove; 23, rear wall; 231, second positioning wall; 232, fourth inclined wall; 24, positioning groove; 30, panel. DETAILED DESCRIPTION

[0030] The utility model will be described in detail below in combination with the specific embodiments shown in the drawings. However, these embodiments do not limit the utility model, and the changes in structure, method or function made by those skilled in the art based on these embodiments are all included in the protection scope of the utility model.

[0031] It should be understood that the terms for spatial relative position used herein, such as "upper", "above", "lower", "below", etc., are used for the purpose of convenient description to describe the relationship of one unit or feature relative to another unit or feature as shown in the drawings. The terms for spatial relative position can be intended to include different positions of the device in use or work other than the positions shown in the drawings.

[0032] The door body assembly 100 of one embodiment of the utility model replaces the traditional screw fixing mode and solves many problems in efficiency, cost, complexity and appearance.

[0033] The refrigeration equipment of the embodiment can be a refrigerator, a freezer, a vertical refrigerated cabinet, a wine cabinet, etc. The following embodiments take the refrigerator as an example for description.

[0034] The refrigeration equipment includes a cabinet and a door body assembly 100, and the door body assembly 100 encloses the cabinet. The door body assembly 100 of the embodiment is as shown in Figure 1 .

[0035] The door body assembly 100 includes a trim strip 10 and a frame 20, and the trim strip 10 and the frame 20 are connected in plug-in connection to form a support frame structure of the door body.

[0036] The trim strip 10 includes an abutting wall 11, a vertical limiting part 13 and a horizontal limiting part 12.

[0037] The abutting wall 11 is located at the end of the insertion path and is used to abut the end of the frame 20, limiting further movement of the frame 20 in the insertion direction.

[0038] The vertical limiting portion 13 is composed of a first inclined wall 131 and a second inclined wall 133, which are inclined in opposite directions and gradually increase in distance between their outer surfaces in the direction approaching the abutting wall 11. Figure 4 And 5 As shown, this allows the frame 20 to be guided into the predetermined position during assembly and fixed in the opposite direction, making the structure more secure.

[0039] The first inclined wall 131 and the second inclined wall 133 are respectively provided with a first positioning portion 132 and a second positioning portion 134 on the side close to the abutting wall 11.

[0040] The frame 20 includes a vertical locking portion and a horizontal locking portion. The vertical locking portion is composed of a first positioning wall 221 and a second positioning wall 231, which correspond to the first positioning portion 132 and the second positioning portion 134 on the trim strip 10 in terms of position and shape.

[0041] During assembly, the frame 20 is inserted along its own extension direction with the trim strip 10, specifically by abutting the frame 20 with the first inclined wall 131 and the second inclined wall 133.

[0042] Due to the inclined design of the inclined walls, the frame 20 gradually deepens along the guidance of the inclined walls during insertion until the end of the frame 20 tightly abuts the abutting wall 11. At this time, the first positioning wall 221 abuts the first positioning portion 132, and the second positioning wall 231 abuts the second positioning portion 134. This multi-point abutting structure effectively locks the position of the frame 20.

[0043] The cooperation of the vertical limiting portion 13 and the vertical locking portion can limit the movement of the frame 20 in the vertical direction, while the cooperation of the horizontal limiting portion 12 and the horizontal locking portion can limit the deviation of the frame 20 in the horizontal direction.

[0044] This two-way limiting design makes the connection between the frame 20 and the trim strip 10 both firm and stable, avoiding the common problem of looseness in traditional assembly. It is worth mentioning that,

[0045] The door assembly 100 does not need to rely on additional fixing members such as screws, but can be assembled only by insertion and abutment, which not only simplifies the operation steps, but also significantly improves the production efficiency.

[0046] In actual assembly, the operator only needs to push the frame 20 into the trim strip 10 along its extension direction, and the frame 20 will slide along the inclined surfaces of the first and second inclined walls 131 and 133. Due to the gradually increasing spacing between the outer surfaces of the inclined walls, the insertion process of the frame 20 is smooth and easy to align. When the end of the frame 20 finally abuts against the abutting wall 11, the abutting relationship between the first and second positioning walls 221 and 231 and the first and second positioning parts 132 and 134 will naturally form, thereby achieving a self-locking effect.

[0047] This design ensures that the frame 20 will not easily loosen or fall off, and the assembly precision and consistency are also guaranteed.

[0048] The door body assembly 100 of the utility model realizes the optimization of structure and the improvement of function through the ingenious design of the trim strip 10 and the frame 20. The inclined walls and positioning parts of the trim strip 10 cooperate with the locking parts of the frame 20, which not only simplifies the assembly process and reduces the manufacturing cost, but also ensures the stability and durability of the door body assembly 100 in use. This design performs well in practical application, especially suitable for scenes that require efficient assembly and reliable connection.

[0049] As shown in Figure 2 The trim strip 10 includes a first trim strip 101 and a second trim strip 102, which are arranged opposite to each other in the horizontal direction, and the frame 20 includes a first frame 201 and a second frame 202, which are both vertically arranged between the first and second trim strips 101 and 102.

[0050] Through this layout, the first and second trim strips 101 and 102 and the first and second frames 201 and 202 form a square frame structure.

[0051] This square frame design provides a solid skeleton for the door body, which can effectively support the weight of the door body and resist external forces, ensuring the stability of the door body during use.

[0052] The panel 30 is arranged on the outside of the square frame, and the door lining is arranged on the inside. Foaming is performed on the door lining, the panel 30, and the inside of the square frame structure, and a complete door body assembly 100 can be obtained.

[0053] Further, the first and second trim strips 101 and 102 are injection molded parts, and the first and second frames 201 and 202 are sheet metal parts.

[0054] Injection molded parts have good formability and can easily realize complex shapes and fine surface textures, thereby meeting the complex positioning requirements of the door body.

[0055] Sheet metal parts are known for their excellent strength and durability, and can provide strong support for the door body, ensuring that it is not easily deformed or damaged during long-term use. The combination of this injection molded part and sheet metal part design takes full advantage of both, meeting the appearance and functional needs of the door body assembly 100 while achieving a balance in production process and economy.

[0056] Further, as shown in Figure 6 The frame 20 includes a side wall 21, a front wall 22 and a rear wall 23, the front wall 22 and the rear wall 23 respectively extend outward from one side of the side wall 21, the front wall 22 and the rear wall 23 are oppositely arranged, the first positioning wall 221 is arranged on the front wall 22, and the second positioning wall 231 is arranged on the rear wall 23.

[0057] The side wall 21, as the main supporting part of the frame 20, extends in the vertical direction and bears the main structural load; the front wall 22 and the rear wall 23 extend outward from the side edges of the side wall 21, respectively, forming oppositely arranged structures for fixing with the trim strip 10.

[0058] The first positioning wall 221 and the second positioning wall 231 cooperate with the corresponding positioning parts on the trim strip 10 during assembly, which can accurately define the position of the frame 20 and prevent it from shifting or loosening in the vertical direction.

[0059] The first positioning wall 221 and the second positioning wall 231 form a stable locking effect through abutment with the trim strip 10, thereby enhancing the overall rigidity of the door body assembly 100. This structural design not only simplifies the assembly process of the frame 20 and the trim strip 10, but also improves the assembly accuracy and long-term stability of the assembly, providing a guarantee for the reliable use of the door body.

[0060] Further, as shown in Figure 6 The third inclined wall is arranged on the front wall 22, and the fourth inclined wall 232 is arranged on the rear wall 23, the inclination direction of the third inclined wall is the same as that of the first inclined wall 131, the inclination direction of the fourth inclined wall 232 is the same as that of the second inclined wall 133, the first positioning wall 221 is arranged at the end of the third inclined wall, and the second positioning wall 231 is arranged at the end of the fourth inclined wall 232.

[0061] During the insertion of the frame 20 and the trim strip 10, the third inclined wall slides along the first inclined wall 131, and the fourth inclined wall 232 slides along the second inclined wall 133.

[0062] This inclined wall cooperation plays a guiding role, enabling the frame 20 to be smoothly and accurately inserted into the predetermined position, reducing the assembly resistance and improving the alignment accuracy. In addition, the first positioning wall 221 is located at the end of the third inclined wall, and the second positioning wall 231 is located at the end of the fourth inclined wall 232. When the frame 20 is completely inserted, the positioning walls naturally abut the positioning parts on the trim strip 10, forming a locked state.

[0063] As shown in Figure 3 , 4 , the decorative strip 10 is provided with a front abutting wall 14, a side abutting wall 16 and a rear abutting wall 15, which respectively abut with the front wall 22, the side wall 21 and the rear wall 23 of the frame 20.

[0064] The abutment of the front abutting wall 14 with the front wall 22 restricts the movement of the frame 20 on the front side, the abutment of the side abutting wall 16 with the side wall 21 prevents the horizontal deviation of the frame 20, and the abutment of the rear abutting wall 15 with the rear wall 23 fixes the position of the frame 20 on the rear side. Through this multi-directional abutment design, a close contact surface is formed between the decorative strip 10 and the frame 20, almost eliminating the assembly gap, thereby enhancing the overall rigidity and anti-deformation ability of the door body assembly 100.

[0065] In the design of the door body assembly 100, in order to ensure the stability of the frame 20 and the decorative strip 10 in the horizontal direction, the front wall 22 structure of the frame 20 is optimally designed.

[0066] As shown in Figure 6 , the front wall 22 of the frame 20 is provided with a blocking wall 222 on the side away from the side wall 21, which is parallel to the side wall 21 and forms a stable support structure. As a core component of the horizontal limiting part 12, the connection between the front wall 22 and the blocking wall 222 forms a front groove 223.

[0067] The front groove 223 makes full use of the geometric characteristics of the frame 20, providing an accurate insertion space for the front abutting wall 14 of the decorative strip 10.

[0068] During assembly, the front abutting wall 14 of the decorative strip 10 is inserted into the front groove 223 and tightly abuts with the front wall 22, while the blocking wall 222 forms an abutting relationship with other parts of the decorative strip 10.

[0069] This multi-point contact fixing method effectively limits the movement of the frame 20 in the horizontal direction, and at the same time enhances the stability of the assembly structure through the support action of the blocking wall 222.

[0070] In addition, the front groove 223 also has a guiding function, which enables the decorative strip 10 to quickly align during insertion, thereby reducing assembly errors. This design significantly improves the anti-deviation ability of the door body assembly 100 in the horizontal direction, ensuring its stability and durability in use.

[0071] As shown in Figure 4 , the horizontal limiting part 12 includes a rear groove 122 formed between the side abutting wall 16 and the rear abutting wall 15, and the rear wall 23 is inserted into the rear groove 122.

[0072] In assembly, the rear wall 23 of the frame 20 is inserted into the rear groove 122 and tightly abuts against the rear abutting wall 15.

[0073] This plug-in matching structure effectively limits the displacement of the frame 20 in the horizontal direction, and the wrapping effect of the rear groove 122 prevents the frame 20 from loosening or falling off at the rear side.

[0074] In addition, the design of the rear groove 122 increases the contact area between the frame 20 and the trim strip 10, thereby improving the friction and further enhancing the firmness of the assembly. The cooperation of the rear groove 122 and the front groove 223 constitutes a double limiting mechanism of the door body assembly 100 in the horizontal direction, which not only improves the stability of the structure, but also provides reliable guarantee for the long-term use of the door body.

[0075] As shown in Figures 7-9 Further, the horizontal limiting part 12 includes a positioning protrusion 121 provided on the abutting wall 11, and the end of the frame 20 towards the abutting wall 11 is provided with a positioning groove 24, and the positioning protrusion 121 is inserted into the positioning groove 24.

[0076] In the assembly process, when the frame 20 abuts against the abutting wall 11 of the trim strip 10, the positioning protrusion 121 is inserted into the positioning groove 24, forming a tight fitting relationship.

[0077] This fitting design effectively limits the movement of the frame 20 in the horizontal direction, and through the biting action of the positioning protrusion 121 and the positioning groove 24, the connection strength between the frame 20 and the trim strip 10 is significantly enhanced.

[0078] In addition, the positioning protrusion 121 and the positioning groove 24 also play an auxiliary alignment role, making the assembly process smoother and more accurate. This structure not only improves the assembly accuracy of the door body assembly 100, but also enhances the stability of the overall structure by increasing the connection points, laying a foundation for the long-term reliable operation of the door body.

[0079] The door body assembly 100 of the present embodiment exhibits significant advantages in structural layout, material selection and assembly design. The box-shaped structure provides strong support, the combination of injection molding parts and sheet metal parts optimizes performance and cost, the positioning wall and inclined wall design of the frame 20 improves assembly accuracy and stability, and the multi-directional abutting abutting enhances the overall rigidity of the assembly. This screwless assembly method not only simplifies the production process, reduces the manufacturing cost, but also improves the reliability and aesthetics of the door body assembly 100, providing an efficient and practical solution for refrigeration equipment and other applications.

[0080] And the door body assembly 100 in the front groove 223, the rear groove 122 and the positioning convex 121 and the positioning groove 24, show a significant technical advantage in the design of the cooperation. These structures constitute a multiple horizontal limiting mechanism, to ensure the stability and precision of the assembly of the frame 20 and the trim 10. This design simplifies the production process, reduces the manufacturing cost, while improving the reliability and aesthetics of the door body assembly 100, especially for the stability and appearance of the refrigeration equipment, for its performance optimization provides a strong support.

[0081] Compared with the prior art, the embodiment has the following beneficial effects:

[0082] The door body assembly 100 is fixed by using a pure buckle plug-in structure, which cancels the use of screws, simplifies the assembly process, reduces the cost of material management and quality control, and only needs to be locked by vertical pushing during assembly. The operation is simple and fast, which greatly shortens the assembly time, and the operator only needs to push the frame 20 into the trim 10 along the extension direction of the frame 20, and the frame 20 will slide along the inclined surface of the first inclined wall 131 and the second inclined wall 133. Due to the characteristics of the gradually increasing distance between the outer surfaces of the inclined walls, the insertion process of the frame 20 is stable and easy to align. When the end of the frame 20 finally abuts against the abutting wall 11, the abutting relationship between the first positioning wall 221 and the first positioning part 132, and the second positioning wall 231 and the second positioning part 134 will be naturally formed, thereby realizing the self-locking effect. This design ensures that the frame 20 will not easily loosen or fall off, and the assembly precision and consistency are also guaranteed. The optimization of the structure and the improvement of the function are realized. The inclined wall and the positioning part of the trim 10 cooperate with the locking part of the frame 20, which not only simplifies the assembly process and reduces the manufacturing cost, but also ensures the stability and durability of the door body assembly 100 in use.

[0083] It should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. The skilled person should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by the skilled person.

[0084] The series of detailed descriptions listed above are only specific descriptions of the feasible embodiments of the utility model, and they are not used to limit the protection scope of the utility model. Any equivalent embodiments or changes made without departing from the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A door assembly, characterized in that, include: The decorative strip includes a supporting wall, a vertical limiting part and a horizontal limiting part. The vertical limiting part includes a first inclined wall and a second inclined wall. The first inclined wall and the second inclined wall are inclined in opposite directions, and the distance between their outer surfaces gradually increases in the direction close to the supporting wall. A first positioning part is provided on the side of the first inclined wall close to the supporting wall, and a second positioning part is provided on the side of the second inclined wall close to the supporting wall. The frame includes a vertical locking part and a horizontal locking part. The vertical limiting part cooperates with the vertical locking part to restrict the movement of the frame in the vertical direction. The horizontal limiting part cooperates with the horizontal locking part to restrict the movement of the frame in the horizontal direction. The vertical locking part includes a first positioning wall and a second positioning wall. The frame is inserted into the trim along its own extension direction and abuts against the first inclined wall and the second inclined wall respectively, until the end of the frame abuts against the supporting wall, the first positioning wall abuts against the first positioning part, and the second positioning wall abuts against the second positioning part.

2. The door assembly according to claim 1, characterized in that, The decorative strip includes a first decorative strip and a second decorative strip, which are arranged opposite each other in a horizontal direction. The frame includes a first frame and a second frame, which are both vertically arranged between the first decorative strip and the second decorative strip. The first decorative strip, the second decorative strip, the first frame, and the second frame together form a square shape.

3. The door assembly according to claim 2, characterized in that, The first trim strip and the second trim strip are injection molded parts, and the first frame and the second frame are sheet metal parts.

4. The door assembly according to claim 3, characterized in that, The frame includes a side wall, a front wall, and a rear wall. The front wall and the rear wall extend outward from one side of the side wall, respectively. The front wall and the rear wall are arranged opposite to each other. The front wall is provided with a first positioning wall, and the rear wall is provided with a second positioning wall.

5. The door assembly according to claim 4, characterized in that, A third inclined wall is also provided on the front wall, and a fourth inclined wall is also provided on the rear wall. The third inclined wall has the same inclination direction as the first inclined wall, and the fourth inclined wall has the same inclination direction as the second inclined wall. The first positioning wall is provided at the end of the third inclined wall, and the second positioning wall is provided at the end of the fourth inclined wall. During the process of inserting the frame and the trim, the third inclined wall slides along the first inclined wall, and the fourth inclined wall slides along the second inclined wall.

6. The door assembly according to claim 4, characterized in that, The trim includes a front abutting wall, a side abutting wall, and a rear abutting wall. The front abutting wall is in contact with the front wall, the side abutting wall is in contact with the side wall, and the rear abutting wall is in contact with the rear wall.

7. The door assembly according to claim 6, characterized in that, A baffle is provided on the side of the front wall away from the side wall, the baffle is parallel to the side wall, the horizontal limiting part includes a front groove formed at the connection between the front wall and the baffle, the front abutting wall is inserted into the front groove, and the baffle abuts against the trim strip.

8. The door assembly according to claim 6, characterized in that, The horizontal limiting part includes a rear groove formed between the side abutment wall and the rear abutment wall, and the rear wall is inserted into the rear groove.

9. The door assembly according to claim 1, characterized in that, The horizontal limiting part includes a positioning protrusion provided on the supporting wall, and a positioning groove is provided at the end of the frame facing the supporting wall, and the positioning protrusion is inserted into the positioning groove.

10. A refrigeration device, characterized in that, The refrigeration equipment includes the door assembly as described in any one of claims 1 to 9.

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