Supporting piece for refrigerator door body and refrigerator door body

Abstract

The utility model relates to the technical field of refrigerating devices, and discloses a supporting piece for a refrigerator door body and the refrigerator door body, the refrigerator door body comprises a door frame, and the supporting piece is used for being arranged on the inner side of the door frame to support the door frame; the supporting piece comprises a first plate body, a second plate body, a third plate body, a fourth plate body and a fifth plate body which are connected end to end, the first plate body and the fourth plate body are located on the two opposite sides of the supporting piece respectively, the orthographic projection of the first plate body on the fourth plate body is partially or completely located outside the fourth plate body, and the third plate body and the fifth plate body are oppositely arranged. The first plate body, the fourth plate body and the fifth plate body are used for being connected with the inner side wall of the door frame. The second plate body is obliquely arranged, and the cross sectional areas of part of or all the supporting pieces are gradually reduced in the direction from the fifth plate body to the third plate body. According to the embodiment, the strength of the door frame can be improved through the supporting piece, and the deformation risk of the door frame in the foaming process or the alternate cooling and heating process is reduced.

Description

Technical Field

[0001] This application relates to the field of refrigeration equipment technology, such as a support for a refrigerator door and a refrigerator door. Background Technology

[0002] In modern home appliances, refrigerators, as essential refrigeration equipment, have door structures that directly impact their performance and lifespan. Refrigerator doors typically consist of a door frame, door panel, and door lining, which together form a foaming space for filling with foam material. During the foaming process, the expansion of the foam material generates pressure, which can easily cause deformation of the door frame, thus affecting the overall sealing and insulation performance of the door.

[0003] In addition, during refrigerator use, the door is also subject to alternating hot and cold temperatures. For example, when the door is frequently opened and closed, it experiences drastic temperature changes. These temperature changes can not only cause the materials to expand and contract with temperature changes, but may also exacerbate the deformation of the door frame.

[0004] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0005] To provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended as a general commentary, nor is it intended to identify key / important components or describe the scope of protection of these embodiments, but rather as a prelude to the detailed description that follows.

[0006] This disclosure provides a support member for a refrigerator door and a refrigerator door body to increase the strength of the refrigerator door frame and reduce the risk of deformation of the door frame during the foaming process or when subjected to alternating hot and cold temperatures.

[0007] According to the first embodiment provided in this application, a support member for a refrigerator door is provided. The refrigerator door includes a door frame, and the support member is disposed on the inner side of the door frame to support the door frame. The support member includes a first plate, a second plate, a third plate, a fourth plate, and a fifth plate connected end to end. The first plate and the fourth plate are respectively located on opposite sides of the support member. The orthographic projection of the first plate on the fourth plate is partially or entirely located outside the fourth plate. The third plate and the fifth plate are arranged opposite to each other. The first plate, the fourth plate, and the fifth plate are respectively used to connect to the inner sidewall of the door frame. The second plate is inclined, and along the direction from the fifth plate to the third plate, the cross-sectional area of ​​part or all of the support member gradually decreases.

[0008] In some alternative embodiments, the fourth plate includes a first sub-plate and a second sub-plate connected together, and the first sub-plate is connected to the third plate. There is a first angle between the first sub-plate and the second sub-plate, and the second sub-plate is bent toward the second plate. The fifth plate includes a third sub-plate and a fourth sub-plate connected together, and the third sub-plate is connected to the second sub-plate, the fourth sub-plate is connected to the first plate. There is a second angle between the third sub-plate and the fourth sub-plate, and the third sub-plate is bent toward the second plate.

[0009] In some alternative embodiments, the support further includes a first connecting plate, one end of which is connected to the second plate, and the other end of which is connected to the connection point between the third sub-plate and the second sub-plate.

[0010] In some alternative embodiments, the support further includes a second connecting plate, one end of which is connected to the second plate body, and the other end of which is connected to the first sub-plate body.

[0011] In some alternative embodiments, there are multiple second connecting plates, which are arranged in parallel.

[0012] In some alternative embodiments, the first plate, the second plate, the third plate, the fourth plate, and the fifth plate are integrally formed.

[0013] In some alternative embodiments, the support is made of polyvinyl chloride.

[0014] In some alternative embodiments, the ratio of the extension length of the inner frame to the extension length of the support member along the length direction of the inner frame ranges from 3 to 20.

[0015] In some alternative embodiments, the fifth plate is used to bond to the inner wall of the door frame.

[0016] According to a second embodiment provided in this application, a refrigerator door body is provided, the refrigerator door body including a support member for the refrigerator door body as described in any of the preceding claims.

[0017] The support member and refrigerator door body provided in this disclosure can achieve the following technical effects:

[0018] In this optional embodiment, the support member includes a first plate, a second plate, a third plate, a fourth plate, and a fifth plate connected end-to-end. The first, fourth, and fifth plates are respectively connected to the inner sidewalls of the door frame. This increases the number of sidewalls connecting the support member to the door frame, providing support for multiple sidewalls of the door frame, improving its strength, reducing the risk of deformation during the foaming process and temperature fluctuations, and enhancing the stability and lifespan of the refrigerator door during use. The orthographic projection of the first plate onto the fourth plate is partially or entirely outside the fourth plate. The third and fifth plates are positioned opposite each other, with the second plate inclined relative to the door frame. Along the direction from the fifth plate towards the third plate, the cross-sectional area of ​​some or all of the support member gradually decreases, meaning the support member is roughly triangular. This increases the load-bearing capacity of the support member, thereby improving the support effect on the door frame and further increasing its strength, reducing the risk of deformation during the foaming process or temperature fluctuations.

[0019] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0020] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are considered similar elements. The drawings do not constitute a limitation of scale, and wherein:

[0021] Figure 1 This is a partial structural diagram of a refrigerator door provided in an embodiment of this disclosure;

[0022] Figure 2 This is a partial structural schematic diagram of another refrigerator door provided in an embodiment of this disclosure;

[0023] Figure 3 This is a schematic diagram of the structure of a support member for a refrigerator door provided in an embodiment of this disclosure from one perspective;

[0024] Figure 4 This is a structural schematic diagram from another perspective of a support member for a refrigerator door provided in an embodiment of this disclosure;

[0025] Figure 5 This is a structural schematic diagram from another perspective of a support member for a refrigerator door provided in an embodiment of this disclosure;

[0026] Figure 6 This is a structural schematic diagram from another perspective of a support member for a refrigerator door provided in an embodiment of this disclosure;

[0027] Figure 7This is a schematic diagram of the structure of another support member for a refrigerator door provided in an embodiment of this disclosure, from one perspective.

[0028] Figure 8 This is a structural schematic diagram from another perspective of another support member for a refrigerator door provided in an embodiment of this disclosure.

[0029] Figure label:

[0030] 100. Support component; 110. First plate; 120. Second plate; 130. Third plate; 140. Fourth plate; 141. First sub-plate; 142. Second sub-plate; 150. Fifth plate; 151. Third sub-plate; 152. Fourth sub-plate; 160. First connecting plate; 170. Second connecting plate;

[0031] 200. Door frame; 210. First side wall; 220. Second side wall; 230. Third side wall. Detailed Implementation

[0032] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0033] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this disclosure described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0034] In this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of the embodiments of this disclosure and their implementations, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to require them to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in the embodiments of this disclosure according to the specific circumstances.

[0035] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0036] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0037] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0038] This disclosure provides a refrigerator door, such as... Figure 1 and Figure 2 As shown, the refrigerator door includes a door frame 200, a front panel, an inner liner, and a support member 100 for the refrigerator door. The front panel is connected to the front side of the door frame 200, and the door liner is connected to the rear side of the door frame 200. The front panel, door frame 200, and door liner enclose a foaming space for foaming, within which the foaming material can foam to form an insulation layer. The support member 100 is located inside the door frame 200 to support the door frame 200 and reduce deformation and twisting of the door frame 200 during the foaming process or under alternating hot and cold conditions.

[0039] This disclosure provides a support member 100 for a refrigerator door, such as... Figures 3 to 8 As shown, the support member 100 includes a first plate 110, a second plate 120, a third plate 130, a fourth plate 140, and a fifth plate 150 connected end to end. The first plate 110 and the fourth plate 140 are located on opposite sides of the support member 100. The orthographic projection of the first plate 110 onto the fourth plate 140 is partially or entirely outside the fourth plate 140. The third plate 130 and the fifth plate 150 are arranged opposite to each other. The first plate 110, the fourth plate 140, and the fifth plate 150 are respectively used to connect to the inner wall of the door frame 200.

[0040] The second plate 120 is inclined, and along the direction from the fifth plate 150 toward the third plate 130, the cross-sectional area of ​​some or all of the support members 100 gradually decreases, and the two ends of the connecting plate are connected to the second plate 120 and the fourth plate 140 respectively.

[0041] In this optional embodiment, the support member 100 includes a first plate 110, a second plate 120, a third plate 130, a fourth plate 140, and a fifth plate 150 connected end to end. The first plate 110, the fourth plate 140, and the fifth plate 150 are respectively connected to the inner sidewall of the door frame 200. This increases the sidewalls connecting the support member 100 to the door frame 200, which can support multiple sidewalls of the door frame 200, improve the strength of the door frame 200, reduce the risk of deformation of the refrigerator door during the foaming process and during hot and cold cycles, and improve the stability and lifespan of the refrigerator door during use.

[0042] The first plate 110's orthogonal projection onto the fourth plate 140 is partially or entirely outside the fourth plate 140. The third plate 130 and the fifth plate 150 are arranged opposite each other, so the second plate 120 is inclined relative to the door frame 200. Along the direction from the fifth plate 150 toward the third plate 130, the cross-sectional area of ​​some or all of the support members 100 gradually decreases, that is, the support members 100 are triangular in shape, in order to improve the load-bearing strength of the support members 100, thereby improving the support effect on the door frame 200.

[0043] Furthermore, the first plate 110 and the fourth plate 140 are located on opposite sides of the support member 100, and the fifth plate 150 is connected between the first plate 110 and the fourth plate 140. The first plate 110, the fourth plate 140, and the fifth plate 150 are side walls of the support member 100 in different directions. The first plate 110, the fourth plate 140, and the fifth plate 150 are respectively used to connect to the inner side wall of the door frame 200. In this way, the support member 100 can be connected to the inside of the door frame 200 through the first plate 110, the fourth plate 140, and the fifth plate 150, which facilitates the connection and positioning of the support member 100, reduces the complexity of the installation of the support member 100, improves the production efficiency of the refrigerator door, and reduces the production cost.

[0044] Optionally, such as Figure 1 and Figure 2 As shown, the door frame 200 encloses a mounting groove, the inner sidewalls of which include a first sidewall 210, a second sidewall 220, and a third sidewall 230. The two ends of the second sidewall 220 are connected to the first sidewall 210 and the third sidewall 230 respectively, and the first sidewall 210 and the third sidewall 230 are arranged opposite to each other. A support member 100 is disposed within the mounting groove, with a first plate 110 connected to the third sidewall 230, a fourth plate 140 connected to the first sidewall 210, and a fifth plate 150 connected to the second sidewall 220.

[0045] Optionally, the door frame 200 includes a main frame plate and two first side frame plates. The two ends of the main frame plate are respectively connected to the two first side frame plates, and the two first side frame plates are respectively connected to the front panel and the inner lining. The main frame plate and the two first side frame plates enclose a mounting groove. The second side wall 220 is the side wall of the main frame plate, and the first side wall 210 and the third side wall 230 are respectively connected to the side walls of the two first side frame plates.

[0046] Optionally, such as Figure 1 and Figure 2 As shown, the door frame 200 includes a main frame plate, two first side frame plates, and a second side frame plate. The two ends of the main frame plate are connected to the two first side frame plates respectively, and the second side frame plate is connected to one of the first side frame plates. The two first side frame plates are connected to the front panel and the inner lining respectively. The second side wall 220 is the side wall of the first side frame plate connected to the second side frame plate, the first side wall 210 is the side wall of the main frame plate, and the third side wall 230 is the side wall of the second side frame plate.

[0047] In some alternative embodiments, the fifth plate 150 is used to bond to the inner wall of the door frame 200.

[0048] In this embodiment, the support member 100 can be glued to the inner wall of the door frame 200 via the fifth plate 150 to limit and fix the support member 100, thereby improving the connection stability between the support member 100 and the door frame 200. Gluing ensures uniform stress distribution on the connection surface between the fifth plate 150 and the door frame 200, reducing localized stress concentration caused by mechanical connections (such as bolts, rivets, etc.) and extending service life. Furthermore, the glued bonding process is relatively simple and easy to operate, reducing the installation steps and time of the support member 100, improving the production efficiency of the refrigerator door, and lowering production costs.

[0049] In some alternative embodiments, such as Figure 3 and Figure 5 As shown, the fourth plate 140 includes a first sub-plate 141 and a second sub-plate 142 connected to each other, and the first sub-plate 141 is connected to the third plate 130. There is a first angle between the first sub-plate 141 and the second sub-plate 142, and the second sub-plate 142 is bent toward the second plate 120.

[0050] The fifth plate 150 includes a third sub-plate 151 and a fourth sub-plate 152 connected to each other. The third sub-plate 151 is connected to the second sub-plate 142, and the fourth sub-plate 152 is connected to the first plate 110. There is a second bend between the third sub-plate 151 and the fourth sub-plate 152, and the third sub-plate 151 bends toward the second plate 120.

[0051] In this embodiment, the second sub-plate 142 bends toward the second plate 120, and the third sub-plate 151 bends toward the second plate 120. In this way, the connection between the fourth plate 140 and the fifth plate 150 does not abut against the inner sidewall of the door frame 200. An avoidance space is formed at the connection between the fourth plate 140 and the fifth plate 150. This avoids the structure of the bent sidewall of the door frame 200, improves the fit between the fourth plate 140 and the fifth plate 150 and the sidewall of the door frame 200, and improves the support effect on the door frame 200.

[0052] For example, the first sub-plate 141 is used to connect with the first sidewall 210 of the mounting groove, the fourth sub-plate 152 is used to connect with the second sidewall 220 of the mounting groove, and the first plate 110 is used to connect with the third sidewall 230 of the mounting groove.

[0053] In some alternative embodiments, such as Figures 3 to 8 As shown, the support member 100 also includes a first connecting plate 160, one end of which is connected to the second plate 120, and the other end of which is connected to the connection position of the third sub-plate 151 and the second sub-plate 142.

[0054] In this embodiment, one end of the first connecting plate 160 is connected to the wall of the inclined second plate 120, and the other end of the first connecting plate 160 is connected to the connection point of the third sub-plate 151 and the fourth sub-plate 152. Thus, when the door frame 200 has a tendency to deform, the deformation force is transmitted to the second sub-plate 142 through the first sub-plate 141, and the second sub-plate 142 transmits this deformation force to the second plate 120 through the first connecting plate 160. At this time, a portion of the second plate 120, the third plate 130, the first sub-plate 141, the second sub-plate 142, and the first connecting plate 160 form a stable polygonal structure, improving the overall structural stability of the support member 100, enhancing its resistance to deformation, and improving the supporting effect of the support member 100.

[0055] And / or, when the door frame 200 has a tendency to deform, the deformation force is transmitted to the third sub-plate 151 through the fourth sub-plate 152, and the third sub-plate 151 transmits the deformation force to the second plate 120 through the first connecting plate 160. At this time, the other part of the second plate 120, the first plate 110, the fourth sub-plate 152, the third sub-plate 151 and the first connecting plate 160 can also form a stable polygonal structure, improving the overall structural stability and deformation resistance of the support member 100.

[0056] In some alternative embodiments, the support also includes a second connecting plate 170, one end of which is connected to the second plate 120, and the other end of which is connected to the first sub-plate 141.

[0057] In this embodiment, one end of the second connecting plate 170 is connected to the second plate 120, and the other end of the second connecting plate 170 is connected to the first sub-plate 141. When the first sub-plate 141 is subjected to the deformation force of the door frame 200, the first sub-plate 141 can transmit the deformation force to the second plate 120 through the second connecting plate 170 and the third plate 130. The second connecting plate 170, part of the second plate 120, part of the fourth plate 140 and the third plate 130 can form a triangular or quadrilateral structure to improve the overall structural stability and deformation resistance of the support member 100 and improve the support effect of the support member 100.

[0058] Optionally, the extension length of the third plate 130 along the circumference of the support 100 is 0.5 mm to 10 mm. The smaller the extension length of the third plate 130, the closer the support 100 is to a triangle, so as to improve the structural stability and deformation resistance of the support 100.

[0059] For example, such as Figure 7 and Figure 8 As shown, along the circumference of the support member 100, the extension direction of the third plate 130 is the same as that of the second plate 120. Both the third plate 130 and the second plate 120 are inclined relative to the door frame 200 to reduce one side of the support member 100, so that part of the second plate 120, the third plate 130, part of the fourth plate 140 and the second connecting plate 170 form a triangle, further improving the structural stability and deformation resistance of the support member 100.

[0060] In some alternative embodiments, such as Figures 3 to 6 As shown, there are multiple second connecting plates 170, and the multiple second connecting plates 170 are arranged in parallel.

[0061] In this embodiment, multiple second connecting plates 170 are arranged in parallel, so that the deformation force from the door frame 200 on the fourth plate 140 can be transmitted to the second plate 120 through the multiple second connecting plates 170, thereby averaging the deformation force on the second plate 120, reducing stress concentration, and further improving the structural stability and deformation resistance of the support member 100.

[0062] In some alternative embodiments, the first plate 110, the second plate 120, the third plate 130, the fourth plate 140, and the fifth plate 150 are integrally formed.

[0063] In this embodiment, the first plate 110, the second plate 120, the third plate 130, the fourth plate 140, and the fifth plate 150 are integrally formed, that is, the support member 100 is an integrally formed structure. This reduces the connection interfaces between multiple plates, reduces the potential weak structures of the support member 100, improves the overall strength and stability of the support member 100, enhances the deformation resistance of the support member 100, thereby improving the support effect on the door frame 200, further increasing the strength of the door frame 200, and reducing the risk of deformation of the door frame 200 during the foaming process or when subjected to alternating hot and cold temperatures.

[0064] The one-piece molding process reduces the number of parts and assembly steps, simplifies the manufacturing process, improves production efficiency, and reduces production costs.

[0065] Optionally, the first plate 110, the second plate 120, the third plate 130, the fourth plate 140, the fifth plate 150, the first connecting plate 160, and the second connecting plate 170 are integrally formed.

[0066] For example, the support member 100 is made of polyvinyl chloride.

[0067] Polyvinyl chloride (PVC) material possesses good strength and rigidity, providing sufficient support and improving the stability and durability of the support component 100 during use. Furthermore, PVC material exhibits good chemical resistance, resisting the erosion of various chemicals and allowing direct contact with the foaming material, thus extending the service life of the support component 100. Additionally, PVC material is relatively lightweight, contributing to a reduction in the overall weight of the refrigerator door and improving its ease of operation.

[0068] Polyvinyl chloride (PVC) material is easy to mold and process. The support component 100 in this embodiment can be produced and processed by injection molding, extrusion and other processes.

[0069] In this embodiment, polyvinyl chloride is used as the material of the support 100, which not only improves the strength, durability and safety of the support 100, but also facilitates the processing and molding of the support 100 and reduces the cost and weight of the support 100.

[0070] In some alternative embodiments, the ratio of the extension length of the inner frame to the extension length of the support 100 along the length direction of the inner frame ranges from 3 to 20.

[0071] In this embodiment, the extension length of the inner frame is greater than the extension length of the support member 100, and the ratio of the extension length of the inner frame to the extension length of the support member 100 ranges from 3 to 20. One or more support members 100 can be placed inside the door frame 200 to improve the support strength of the door frame 200. While ensuring sufficient support for the door frame 200, the support members 100 are not excessively extended, reducing material usage and lowering costs.

[0072] The locations of potential deformations in the door frame 200 can be determined through simulation or experience. Support members 100 can then be positioned at these locations. The number and extension length of the support members 100 on the door frame 200 can be flexibly adjusted as needed, improving the versatility of the support members 100. Furthermore, when the number of support members 100 is large,

[0073] A gap is provided between two adjacent support members 100, through which the front panel and the inner lining can be connected to the door frame 200, so as to reduce the occurrence of long support members 100 interfering with the connection between the front panel and / or the inner lining and the door frame 200 respectively.

[0074] This disclosure provides a refrigerator door body, including the support member 100 for the refrigerator door body as described in any of the above embodiments.

[0075] The refrigerator door provided in this embodiment includes the support member 100 for the refrigerator door as described in any of the above embodiments, and therefore has all the beneficial effects of the support member 100 for the refrigerator door as described in any of the above embodiments, which will not be repeated here.

[0076] The foregoing description and accompanying drawings fully illustrate embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included or substituted for parts and features of other embodiments. Embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A support member for a refrigerator door, characterized in that, The refrigerator door includes a door frame and a support member located inside the door frame to support it. The support includes a first plate, a second plate, a third plate, a fourth plate, and a fifth plate connected end to end. The first plate and the fourth plate are located on opposite sides of the support. The orthographic projection of the first plate onto the fourth plate is partially or entirely outside the fourth plate. The third plate and the fifth plate are arranged opposite to each other. The first plate, the fourth plate, and the fifth plate are used to connect to the inner wall of the door frame. The second plate is inclined, and along the direction from the fifth plate toward the third plate, the cross-sectional area of ​​some or all of the supporting members gradually decreases.

2. The support member for a refrigerator door according to claim 1, characterized in that, The fourth plate includes a first sub-plate and a second sub-plate connected to each other, and the first sub-plate is connected to the third plate. There is a first angle between the first sub-plate and the second sub-plate, and the second sub-plate is bent toward the second plate. The fifth plate includes a third sub-plate and a fourth sub-plate that are connected to each other. The third sub-plate is connected to the second sub-plate, and the fourth sub-plate is connected to the first plate. There is a second bend between the third sub-plate and the fourth sub-plate, and the third sub-plate bends toward the second plate.

3. The support member for a refrigerator door according to claim 2, characterized in that, The support also includes a first connecting plate, one end of which is connected to the second plate, and the other end of which is connected to the connection point between the third sub-plate and the second sub-plate.

4. The support member for a refrigerator door according to claim 2, characterized in that, The support also includes a second connecting plate, one end of which is connected to the second plate body, and the other end of which is connected to the first sub-plate body.

5. The support member for a refrigerator door according to claim 4, characterized in that, There are multiple second connecting plates, which are arranged in parallel.

6. The support member for a refrigerator door according to any one of claims 1 to 5, characterized in that, The first plate, second plate, third plate, fourth plate and fifth plate are integrally formed.

7. The support member for a refrigerator door according to any one of claims 1 to 5, characterized in that, The support component is made of polyvinyl chloride.

8. The support member for a refrigerator door according to any one of claims 1 to 5, characterized in that, Along the length of the inner frame, the ratio of the extension length of the inner frame to the extension length of the support member ranges from 3 to 20.

9. The support member for a refrigerator door according to any one of claims 1 to 5, characterized in that, The fifth panel is used for bonding to the inner wall of the door frame.

10. A refrigerator door, characterized in that, include: The support member for the refrigerator door as described in any one of claims 1 to 9.

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