Composite paperboard base and refrigerator

Abstract

The utility model discloses a composite paperboard base and a refrigerator. A composite cardboard base includes a cardboard base, a first cardboard support, and a second cardboard support. The first paperboard supporting piece comprises a first face and a second face which are oppositely arranged in a spaced mode in the thickness direction of the composite paperboard base. The first paperboard supporting piece is arranged on the upper surface of the supporting base so that the first face can abut against the upper surface of the paperboard base in a matched mode. The second paperboard supporting piece is matched with the second face in an abutting mode so that the first paperboard supporting piece and the second paperboard supporting piece can be arranged in an overlapped mode. At least part of the second paperboard supporting piece is in supporting fit with the refrigerator body. The structural strength of at least one of the first paperboard supporting piece and the second paperboard supporting piece is smaller than that of the paperboard base. According to the composite paperboard base, the environment-friendly performance of refrigerator base production can be improved. Furthermore, the risk of collision damage to the refrigerator body is reduced, and meanwhile the overall supporting performance of the refrigerator body is improved through the hard paperboard base.

Description

Technical Field

[0001] The present application relates to the field of the design of refrigerator bases, and particularly to a composite cardboard base and a refrigerator. Background Art

[0002] With the continuous deepening of the concept of environmental protection, many manufacturers have begun to demand environmentally friendly production methods.

[0003] In the field of refrigerators, in related technologies, in order to ensure the structural performance of the refrigerator, traditional plastic materials are still retained as the production materials for the refrigerator base. The plastic materials have good structural performance and low production costs, but they are not environmentally friendly and are prone to polluting the environment. Summary of the Invention

[0004] The present application provides a composite cardboard base and a refrigerator. The composite cardboard base in the present application can replace plastic materials with cardboard as the refrigerator base, improving the environmental performance of the refrigerator base production. Further, due to the difference in the structural strength between the cardboard support member and the cardboard base, the structural strength of the cardboard support member on the refrigerator body will not be too large, reducing the risk of impact damage to the refrigerator body. At the same time, the overall support performance for the refrigerator body is improved by the relatively hard cardboard base.

[0005] The technical solution is as follows:

[0006] According to the first aspect of the embodiments of the present application, a composite cardboard base for carrying a refrigerator body is provided, including a cardboard base, a first cardboard support member, and a second cardboard support member.

[0007] The first cardboard support member includes a first surface and a second surface that are relatively spaced apart in the thickness direction of the composite cardboard base. The first cardboard support member is disposed on the upper surface of the support base so that the first surface abuts and cooperates with the upper surface of the cardboard base.

[0008] The second cardboard support member abuts and cooperates with the second surface so that the first cardboard support member and the second cardboard support member are overlapped. At least a part of the second cardboard support member supports and cooperates with the refrigerator body.

[0009] Wherein, the structural strength of at least one of the first cardboard support member and the second cardboard support member is less than the structural strength of the cardboard base.

[0010] The technical solutions provided by the embodiments of the present application may include the following beneficial effects:

[0011] In the thickness direction, the composite cardboard base and the refrigerator body are at least partially in contact and cooperate in the order of the refrigerator body, the second cardboard support, the first cardboard support, and the cardboard base from the thickness direction. In this way, by using all cardboard to replace traditional plastic parts, it is beneficial to improve the environmental protection level of refrigerator manufacturing. Further, since the structural strength of the first cardboard support and the second cardboard support is less than that of the cardboard base, on the one hand, the weaker structural strength of the first cardboard support or the second cardboard support can be used to cooperate with the refrigerator body, so that the contact support force between the first cardboard support or the second cardboard support and the refrigerator body can be reduced, and the stress damage to the refrigerator body can be reduced; on the other hand, due to the stronger structural strength of the cardboard base, the cardboard base can provide good structural strength for the refrigerator body to ensure the support stability of the installation of the refrigerator body.

[0012] The technical solution will be further described below:

[0013] In one embodiment, the composite cardboard base further includes a third cardboard support. The third cardboard support is clamped between the second cardboard support and the first cardboard support. Among them, the structural strength of at least one of the third cardboard support and the first cardboard support is less than that of the cardboard base.

[0014] In one embodiment, the structural strength of the third cardboard support and the second cardboard support is less than that of the first cardboard support.

[0015] And / or, the second cardboard support, the third cardboard support, the first cardboard support, and the cardboard base are adhesively overlapped and arranged in sequence in the thickness direction.

[0016] In one embodiment, the first cardboard support is a first honeycomb cardboard, and at least one of the third cardboard support and the second cardboard support is a second honeycomb cardboard. The pore diameter of the first honeycomb cardboard is smaller than that of the second honeycomb cardboard, so that the structural strength of the first honeycomb cardboard is greater than that of the second honeycomb cardboard.

[0017] In one embodiment, the pore diameter range of the first honeycomb cardboard is between 0.5 mm and 5 mm. And / or, the pore diameter range of the second honeycomb cardboard is between 5 mm and 15 mm.

[0018] In one embodiment, the cardboard base includes a first side and a second side that are spaced apart from each other in the width direction. The composite cardboard base includes at least two second cardboard support members, and the second cardboard support members are arranged in overlapping correspondence with the third cardboard support members. The at least two second cardboard support members include a first support plate and a second support plate. The first support plate is disposed close to the first side and is fixedly protruded on the cardboard base. The second support plate is disposed close to the second side and is fixedly protruded on the first cardboard support member. The first support plate and the second support plate are spaced apart from each other so as to form an avoidance recess between the first support plate, the second support plate, and the first cardboard support member. The avoidance recess is in limit fit with the refrigerator body.

[0019] In one embodiment, the composite cardboard base further includes a waterproof layer. The waterproof layer covers at least part of the upper surface of at least one of the first cardboard support member and the cardboard base.

[0020] And / or, the composite cardboard base further includes a fourth cardboard support member, and the fourth cardboard support member is overlapped on the upper surface of the second cardboard support member so that the refrigerator body is in abutting fit with the fourth cardboard support member. Wherein, the structural strength of the fourth cardboard support member is greater than that of the second cardboard support member.

[0021] In one embodiment, the waterproof layer includes at least one of an oil wax layer and a plastic film layer.

[0022] In one embodiment, the composite cardboard base further includes a connecting frame. The connecting frame is fitted and fixed to the side of the cardboard base.

[0023] According to a second aspect of the present application, there is provided a refrigerator, including a refrigerator body and the composite cardboard base in the above embodiment. The refrigerator body is carried on the composite cardboard base so that at least part of the lower surface of the refrigerator body is in abutting fit with the upper surface of the second cardboard support member.

[0024] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings herein are incorporated into the specification and form a part of the specification, showing embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application.

[0026] Figure 1 It is a schematic structural diagram of a refrigerator in an embodiment.

[0027] Figure 2 For Figure 1 It is a schematic structural diagram of the composite cardboard base in an embodiment shown in

[0028] Figure 3 For Figure 2Top view of the composite cardboard base shown in

[0029] Figure 4 is Figure 2 Exploded structure schematic diagram of the composite cardboard base in an embodiment shown in

[0030] Figure 5 is Figure 4 Side view of the exploded structure of the composite cardboard base shown in

[0031] Figure 6 is Figure 1 Structure schematic diagram of the composite cardboard base in another embodiment shown in

[0032] Figure 7 is Figure 6 Exploded structure schematic diagram of the composite cardboard base in another embodiment shown in

[0033] Figure 8 is Figure 7 Gray-scale structure schematic diagram of the composite cardboard base in another embodiment shown in Description of the drawings:

[0035] 10, refrigerator; 100, composite cardboard base; 110, cardboard base; 111, first side; 112, second side; 120, first cardboard support; 121, first surface; 122, second surface; 130, second cardboard support; 131, first support plate; 132, second support plate; 133, third support plate; 140, third cardboard support; 150, avoidance recess; 151, first avoidance recess; 152, second avoidance recess; 153, third avoidance recess; 160, fourth cardboard support; 170, connection frame; 200, refrigerator body. Detailed implementation manners

[0036] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the present application. On the contrary, they are only examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0037] The production of traditional refrigerator bases still retains the production method of plastic refrigerator bases, which are integrally formed by injection molding. However, with the prevalence of environmentalism, plastic bans have been implemented in many places, forcing manufacturers to develop more environmentally friendly products. Therefore, environmentally friendly refrigerator bases have emerged as the times require.

[0038] Based on this, the present application provides a refrigerator 10, asFigure 1 As shown, it includes a composite cardboard base 100 and a refrigerator body 200. The refrigerator body 200 is carried and arranged on the composite cardboard base 100.

[0039] Specifically, in combination with Figures 2 to 5 As shown, the composite cardboard base 100 includes a cardboard base 110, a first cardboard support member 120, and a second cardboard support member 130.

[0040] The first cardboard support member 120 includes a first surface 121 and a second surface 122 that are relatively spaced apart in the thickness direction of the composite cardboard base 100. The first cardboard support member 120 is arranged on the upper surface of the support base so that the first surface 121 abuts and cooperates with the upper surface of the cardboard base 110.

[0041] The second cardboard support member 130 abuts and cooperates with the second surface 122 so that the first cardboard support member 120 and the second cardboard support member 130 are overlapped. At least a part of the second cardboard support member 130 supports and cooperates with the refrigerator body 200, so that at least a part of the lower bottom surface of the refrigerator body 200 abuts on the second cardboard support member 130.

[0042] The structural strength of at least one of the first cardboard support member 120 and the second cardboard support member 130 is less than the structural strength of the cardboard base 110.

[0043] It can be understood that in the cooperation between the composite cardboard base 100 and the refrigerator body 200 in the thickness direction, at least a part is in the order of the refrigerator body 200, the second cardboard support member 130, the first cardboard support member 120, and the cardboard base 110 abutting and cooperating from the thickness direction. In this way, by using all cardboard to replace traditional plastic parts, it is beneficial to improve the environmental protection level of the refrigerator 10 production. Further, by the structural strength of the first cardboard support member 120 and the second cardboard support member 130 being less than the structural strength of the cardboard base 110, on the one hand, the weaker structural strength of the first cardboard support member 120 or the second cardboard support member 130 can be used to cooperate with the refrigerator body 200, so that the abutting support force between the first cardboard support member 120 or the second cardboard support member 130 and the refrigerator body 200 can be reduced, and the stress damage to the refrigerator body 200 can be reduced; on the other hand, the stronger structural strength of the cardboard base 110 can be used to provide good structural strength for the refrigerator body 200 through the cardboard base 110, and the support stability of the installation of the refrigerator body 200 can be ensured.

[0044] In a specific embodiment, the structural strength of the second cardboard support member 130 is less than that of the cardboard base 110. In this way, by directly providing a relatively weak stress support to the refrigerator body 200 through the second cardboard support member 130, the stress impact of the second cardboard support member 130 on the refrigerator body 200 can be reduced, and a certain buffering effect can be provided, ensuring the structural stability of the refrigerator body 200 and the second cardboard support member 130.

[0045] In another specific embodiment, the structural strength of the first cardboard support member 120 is less than that of the cardboard base 110 and the second cardboard support member 130. In this way, the second cardboard support member 130 can provide better structural strength for the refrigerator body 200, preventing deformation of the second cardboard support member 130 when the refrigerator body 200 cooperates with the second cardboard support member 130, and ensuring the structural stability of the second cardboard support member 130. In addition, by sandwiching the first cardboard support member 120 between the cardboard base 110 and the second cardboard support member 130, a certain stress buffer can be provided between the refrigerator body 200 and the cardboard base 110 through the first cardboard support member 120 with relatively weak structural strength, reducing the stress impact of the refrigerator body 200 on the cardboard base 110 and avoiding deformation of the cardboard base 110. In addition, the cardboard base 110 with strong structural strength can improve the support performance for the refrigerator body 200, thereby improving the installation stability of the refrigerator body 200.

[0046] Similarly, it can also be that the structural strengths of both the first cardboard support member 120 and the second cardboard support member 130 are less than that of the cardboard base 110, and there is no excessive limitation here, and it can be selected according to different production requirements.

[0047] In one embodiment, referring back Figures 3 to 4 , the composite cardboard base 100 further includes a third cardboard support member 140. The third cardboard support member 140 is sandwiched between the second cardboard support member 130 and the first cardboard support member 120. It can be understood that through the overlapping arrangement of the second cardboard support member 130 and the third cardboard support member 140, and at least one of the third cardboard support member 140 and the second cardboard support member 130 has a structural strength less than that of the cardboard base 110, a certain stress buffer can be provided between the refrigerator body 200 and the cardboard base 110 through the second cardboard support member 130 or the third cardboard support member 140 with relatively weak structural strength, reducing the stress impact of the refrigerator body 200 on the cardboard base 110 and avoiding deformation of the cardboard base 110. In addition, the cardboard base 110 with strong structural strength can improve the support performance for the refrigerator body 200, thereby improving the installation stability of the refrigerator body 200.

[0048] Further, in a specific embodiment, the structural strengths of the second cardboard support member 130 and the third cardboard support member 140 are both less than that of the cardboard base 110. In this way, it is beneficial to increase the thickness of the stress buffer between the refrigerator body 200 and the cardboard base 110, thereby improving the buffering capacity between the refrigerator body 200 and the cardboard base 110 and avoiding direct stress damage to the refrigerator body 200.

[0049] In one embodiment, the structural strengths of the third cardboard support member 140 and the second cardboard support member 130 are less than that of the first cardboard support member 120. In this way, the first cardboard support member 120 can provide sufficient structural strength for the refrigerator body 200. At the same time, by overlapping the second cardboard support member 130 and the third cardboard support member 140, the thickness of the stress buffer is increased, and the buffering and protecting ability for the refrigerator body 200 is improved.

[0050] It should be noted that the overlapping and fixing between the first cardboard support member 120, the second cardboard support member 130, the third cardboard support member 140 and the cardboard base 110 in the above embodiments can be, but is not limited to, simple contact abutment, and can also be fixing methods such as bonding and snap connection, and no more restrictions are made here.

[0051] In one embodiment, referring back Figures 4 to 5 , the second cardboard support member 130, the third cardboard support member 140, the first cardboard support member 120 and the cardboard base 110 are adhesively overlapped and arranged in sequence along the thickness direction. In this way, through the fixed connection method of bonding, while being convenient for operation, it is beneficial to improve the integration performance of the composite cardboard base 100 by maximizing the fixed area, thereby improving the structural strength of the composite cardboard base 100 and being beneficial to improving the supporting performance of the composite cardboard base 100 for the refrigerator body 200.

[0052] In another embodiment, referring back Figures 4 to 5 , the second cardboard support member 130, the third cardboard support member 140, the first cardboard support member 120 and the cardboard base 110 are overlapped and nailed up in sequence along the thickness direction. In this way, by nailing to achieve fixation, the design is simple, the processing is convenient, and it is suitable for the relatively thin and light composite cardboard base 100.

[0053] It should be noted that the composite cardboard base 100 can be composed of the same type of cardboard or can be integrated by different types of cardboard, and no more restrictions are made here.

[0054] Combined with any embodiment of the above-mentioned first cardboard support member 120 and the third cardboard support member 140, the first cardboard support member 120 is a first honeycomb cardboard, and at least one of the third cardboard support member 140 and the second cardboard support member 130 is a second honeycomb cardboard (wherein, in one example, the honeycomb cardboard can also be replaced by corrugated cardboard). In this way, by setting the honeycomb cardboard as the cardboard support member, on the one hand, it can provide a certain buffer space, thereby reducing the stress impact on the refrigerator body 200; on the other hand, there are certain gaps in the honeycomb cardboard that can provide a heat dissipation space for the heat dissipation of the refrigerator body 200, which is beneficial to reducing the temperature of the refrigerator body 200 and providing the working stability of the refrigerator body 200.

[0055] Furthermore, the adjustment of the structural strength of the first cardboard support member 120 and the second cardboard support member 130 can be controlled by the different thicknesses between the first cardboard member and the second cardboard support member 130 (the greater the thickness, the weaker the structural strength), or by the pore size control. Specifically, in one example, combined with the first honeycomb cardboard and the second honeycomb cardboard in the above embodiment, the pore size of the first honeycomb cardboard is smaller than that of the second honeycomb cardboard, so that the structural strength of the first honeycomb cardboard is greater than that of the second honeycomb cardboard. In this way, by controlling the structural strength through the size of the pore size, it is beneficial to reduce the thickness of the composite cardboard base 100, thereby facilitating the thinning of the composite cardboard base 100.

[0056] In a specific embodiment, the pore size range of the first honeycomb cardboard is between 0.5 mm and 5 mm. And / or, the pore size range of the second honeycomb cardboard is between 5 mm and 15 mm.

[0057] In one example, the pore size range of the first honeycomb cardboard is between 1 mm and 5 mm. And / or, the pore size range of the second honeycomb cardboard is between 8 mm and 12 mm.

[0058] In another example, the pore size range of the first honeycomb cardboard is between 1 mm and 5 mm. And / or, the pore size range of the second honeycomb cardboard is between 9 mm and 11 mm.

[0059] In another specific embodiment, the pore size of the second honeycomb cardboard can be 9 mm, 10 mm, 11 mm or 12 mm, etc. Among them, the manufacturing error of the pore size of the first honeycomb cardboard can be within ±1 mm. And / or, the pore size of the first honeycomb cardboard can be 1 mm, 2 mm, 3 mm, 4 mm or 5 mm, etc. Among them, the pore size of the first honeycomb cardboard can be ±0.5 mm.

[0060] It should be noted that the cardboard types of the second cardboard support member 130 and the third cardboard support member 140 can be the same or different cardboard types, which can be selected according to different requirements.

[0061] In one example, both the second cardboard support member 130 and the third cardboard support member 140 are second honeycomb cardboard. Among them, the thickness of the second honeycomb cardboard of the second cardboard support member 130 and the second honeycomb cardboard of the third cardboard support member 140 can be different or the same.

[0062] In another example, one of the second cardboard support member 130 and the third cardboard support member 140 is corrugated cardboard, and the other is second honeycomb cardboard.

[0063] In one embodiment, the second cardboard support member 130 can be cardboard. At this time, the structural strength of the second cardboard support member 130 can be greater than the structural strengths of the first cardboard support member 120 and the third cardboard support member 140. In this way, the second cardboard support member 130 can be used to ensure the abutting strength with the refrigerator body 200, and at the same time, the first cardboard support member 120 and the third cardboard support member 140 can provide a certain stress buffer, and the thickness of the stress buffer is increased, so as to reduce the stress impact on the refrigerator body 200 and ensure the load-bearing stability of the refrigerator body 200.

[0064] To improve the support and cooperation degree between the refrigerator body 200 and the composite cardboard base 100, refer to Figure 3 , in combination with any one of the above embodiments of the cardboard base 110, the cardboard base 110 includes a first side 111 and a second side 112 that are relatively spaced apart in the width direction. The composite cardboard base 100 includes at least two second cardboard support members 130. The second cardboard support members 130 and the third cardboard support members 140 are arranged in an overlapping manner one by one. The at least two second cardboard support members 130 include a first support plate 131 and a second support plate 132. The first support plate 131 is arranged close to the first side 111 and is fixedly protruded on the cardboard base 110. The second support plate 132 is arranged close to the second side 112 and is fixedly protruded on the cardboard base 110. The first support plate 131 and the second support plate 132 are spaced apart from each other so that at least one avoidance recess 150 is formed between the first support plate 131, the second support plate 132 and the cardboard base 110.

[0065] It can be understood that, generally, a compressor is generally protrudingly provided at the bottom of the refrigerator body 200, and door bodies are provided on both sides of the refrigerator body 200. In this way, the first cardboard support member 120 and the second cardboard support member 130 are overlapped and arranged on opposite sides of the composite cardboard base 100, so that they can cooperate with the door bodies on both sides of the refrigerator body 200, thereby providing targeted support and bearing for the door bodies, providing a certain buffering force and ensuring the structural strength. And through the spaced arrangement between the first support plate 131 and the second support plate 132, at least one avoidance recess 150 is formed. Among them, the avoidance recess 150 can cooperate with the compressor, so that the flatness when the refrigerator body 200 is matched with the composite cardboard base 100 can be ensured. In addition, the demand for stress buffering of the compressor is lower than that of the door body. Therefore, there is no need to cover the first cardboard support member 120 and the second cardboard support member 130, which is beneficial to reducing production costs.

[0066] In one embodiment, as Figures 6 to 8 shown, the second cardboard support member 130 has a stepped structure, so that the stepped structure and the first cardboard support member 120 form at least three avoidance recesses 150. Among them, as Figure 6 shown, the at least three avoidance recesses 150 include a first avoidance recess 151, a second avoidance recess 152, and a third avoidance recess 153. The first avoidance recess 151 is arranged between the first support plate 131 and the second support plate 132, and the second avoidance recess 152 and the third avoidance recess 153 are respectively oppositely arranged on the first side 111 and the second side 112, so that: the first avoidance recess 151 cooperates with the compressor protrudingly provided at the bottom of the refrigerator body 200. The second avoidance recess 152 cooperates with the feet or casters at the bottom of the refrigerator body 200.

[0067] It should be noted that the number of the above-mentioned second cardboard support members 130 can be multiple, and can be selected according to different actual production requirements.

[0068] Specifically, in one example, as Figures 7 to 8 shown, the composite cardboard base 100 includes at least three second cardboard support members 130, and the at least three second cardboard support members 130 include a first support plate 131, a second support plate 132, and a third support plate 133. The third cardboard support member 140 is overlapped with the second cardboard support member 130 one by one. In this way, through the overlapping arrangement of the multiple second cardboard support members 130 and the multiple third cardboard support members 140, the support and buffering performance for the refrigerator body 200 can be strengthened, and further the bearing stability of the refrigerator body 200 can be better protected.

[0069] In order to improve the use stability of the composite paperboard base 100, in combination with any embodiment of the above-mentioned paperboard base 110, the composite paperboard base 100 further includes a waterproof layer. The waterproof layer at least partially covers the upper surface of the first paperboard support 120 or the paperboard base 110. In this way, by providing the waterproof layer, it is possible to prevent water drops from softening the structure of the paperboard base 110 or the first paperboard support 120, thereby ensuring the structural strength of the paperboard base 110.

[0070] It should be noted that the waterproof layer can be made of a variety of materials, such as coated paper, oil wax and other materials, and no excessive restrictions are imposed here.

[0071] In one example, the waterproof layer includes at least one of an oil wax layer and a plastic film layer. Thus, the material for making the waterproof layer is easily available and has a low cost, which is conducive to reducing production costs.

[0072] In combination with any of the above embodiments of the composite paperboard base 100, Figure 8 As shown, the composite paperboard base 100 further includes a fourth paperboard support 160, which is overlapped and arranged on the upper surface of the second paperboard support 130, so that the refrigerator body 200 is abutted and matched with the fourth paperboard support 160. Among them, the structural strength of the fourth paperboard support 160 is greater than the structural strength of the second paperboard support 130. It can be understood that, through the arrangement of the fourth paperboard support 160, when it is abutted and matched with the refrigerator body 200, the fourth paperboard support 160 itself is strong in structural strength and therefore is not easy to deform, and can play a good protective role on the second paperboard support 130 and the third paperboard support 140, which is conducive to the second paperboard support 130 and the third paperboard support 140 to give full play to the stress buffering performance.

[0073] In combination with any embodiment of the composite paperboard base 100, Figures 7 to 8 The composite paperboard base 100 further includes a connecting frame 170. The connecting frame 170 is embedded and fixed to the side of the paperboard base 110. In this way, by setting the connecting frame 170, the structural strength of the paperboard base 110 can be improved, thereby improving the bearing stability of the composite paperboard base 100 on the refrigerator body 200. Further, in one embodiment, the first paperboard support member 120 is overlapped with the paperboard base 110, and the connecting frame 170 is embedded and fixed to the side of the paperboard base 110 and the first paperboard support member 120. In this way, the matching strength between the first support member and the paperboard base 110 can be improved, thereby providing a greater bearing capacity for the bearing of the refrigerator body 200.

[0074] It should be noted that the connection frame 170 can be a metal frame, or a cardboard frame, a wooden frame, etc. In addition, the connection frame 170 can be made of the same material as the second cardboard support 130 or the cardboard base 110, or different materials, and the former is not limited here.

[0075] In one example, the connecting frame 170 may be a cardboard frame, so that the composite cardboard base 100 can be made of paper material as a whole, thereby improving environmental protection and reducing costs.

[0076] It should be noted that the connection frame 170 can have various shapes, and can be designed and selected according to different cardboard bases 110, and no excessive restrictions are imposed here.

[0077] In a specific embodiment, Figures 7 to 8 , the connecting frame 170 is arranged around the side of the paperboard base 110. That is, if the paperboard base 110 is designed in a quadrilateral shape, the connecting frame is also designed in a quadrilateral shape, so that the connecting frame 170 is embedded and fixed on the side of the paperboard base 110, playing a full wrapping role. In this way, the paperboard base 110 can be wrapped and protected with the largest area, the structural strength of the paperboard base 110 is improved, and the supporting performance of the composite paperboard base 100 on the refrigerator body 200 is improved.

[0078] In another specific embodiment, the connecting frame 170 includes at least four corner protection frames, which are embedded in the corners of the paperboard base 110 one by one. In this way, the corners of the paperboard base 110 can be protected by the connecting frame 170, the structural stability of the paperboard base 110 is improved, and the material consumption is reduced, which is conducive to reducing costs.

[0079] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. The technical contents disclosed above can be used to make slight changes or modifications to equivalent implementation methods with equivalent changes. However, any simple modifications, equivalent changes and modifications made to the above implementation methods based on the technical essence of the present application without departing from the contents of the technical solution of the present application are still within the scope of the technical solution of the present application.

Claims

1. A composite cardboard base for supporting a refrigerator body, characterized in that: include: Cardboard base; A first paperboard support member comprises a first surface and a second surface which are arranged relatively spaced apart in the thickness direction of the composite paperboard base; the first paperboard support member is arranged on the upper surface of the paperboard base so that the first surface abuts and cooperates with the upper surface of the paperboard base; A second cardboard support; the second cardboard support is in abutment with the second surface so that the first cardboard support and the second cardboard support are overlapped; at least part of the second cardboard support is in support with the refrigerator body; Wherein, the structural strength of at least one of the first paperboard support member and the second paperboard support member is smaller than the structural strength of the paperboard base.

2. The composite paperboard base according to claim 1, characterized in that: The composite paperboard base also includes a third paperboard support member; the third paperboard support member is sandwiched between the second paperboard support member and the first paperboard support member; wherein the structural strength of at least one of the third paperboard support member and the second paperboard support member is smaller than that of the paperboard base.

3. The composite paperboard base according to claim 2, characterized in that: The structural strength of the third paperboard support member and the second paperboard support member is smaller than that of the first paperboard support member; And / or, the second cardboard support piece, the third cardboard support piece, the first cardboard support piece and the cardboard base are sequentially bonded and overlapped along the thickness direction.

4. The composite paperboard base according to claim 3, characterized in that: The first paperboard support is a first honeycomb paperboard, and at least one of the third paperboard support and the second paperboard support is a second honeycomb paperboard; the pore size of the first honeycomb paperboard is smaller than that of the second honeycomb paperboard, so that the structural strength of the first honeycomb paperboard is greater than that of the second honeycomb paperboard.

5. The composite paperboard base according to claim 4, characterized in that: The pore size of the first honeycomb paperboard is in the range of 0.5 mm to 5 mm; and / or the pore size of the second honeycomb paperboard is in the range of 5 mm to 15 mm.

6. The composite paperboard base according to claim 2, characterized in that: The paperboard base includes a first side and a second side that are arranged relatively at intervals along the width direction; the composite paperboard base includes at least two second paperboard supports, and the second paperboard supports are arranged overlappingly with the third paperboard supports in a one-to-one correspondence; the at least two second paperboard supports include a first support plate and a second support plate; the first support plate is arranged close to the first side, and the first support plate overlaps with the third paperboard support and is protruded from the first paperboard support; the second support plate is arranged close to the second side, and the second support plate overlaps with the third paperboard support and is protruded from the first paperboard support; the first support plate and the second support plate are arranged at intervals so that at least one avoidance recess is formed between the first support plate, the second support plate and the first paperboard support; the avoidance recess is limitedly matched with the refrigerator body.

7. The composite paperboard base according to claim 2, characterized in that: The composite paperboard base further comprises a waterproof layer; the waterproof layer at least partially covers the upper surface of at least one of the first paperboard support and the paperboard base; And / or, the composite cardboard base also includes a fourth cardboard support, which is overlapped on the upper surface of the second cardboard support so that the refrigerator body and the fourth cardboard support are abutted and matched; wherein the structural strength of the fourth cardboard support is greater than the structural strength of the second cardboard support.

8. The composite paperboard base according to claim 7, characterized in that: The waterproof layer includes at least one of an oil wax layer and a plastic film layer.

9. The composite paperboard base according to any one of claims 1 to 8, characterized in that: The composite paperboard base also includes a connecting frame; the connecting frame is embedded and fixed on the side of the paperboard base.

10. A refrigerator, characterized in that: It comprises a refrigerator body and the composite paperboard base according to any one of claims 1 to 9; the refrigerator body is supported and arranged on the composite paperboard base so that at least a part of the lower surface of the refrigerator body is abutted and matched with the upper surface of the second paperboard support.

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