A packaging cushion and an appliance component

Abstract

The utility model provides a kind of packing gasket and household appliance component, wherein, packing gasket includes support shell and flexible buffer core, and the support shell is equipped with the packing hole for being packed piece plug-in;Flexible buffer core has packing area on it, and flexible buffer core is set on the support shell, and make the packing area hang in the plug-in path of the packing piece inserted into the packing hole;The packing area is used to be extruded by the packing piece and be deformed when the packing piece is inserted into the packing hole, forms recess and is covered on the packing piece.The packing gasket of the utility model can pack different shapes of packing piece, so that it is more versatile, and corresponding mold development is not needed for each different product, which can save cost.

Description

Technical Field

[0001] This utility model belongs to the field of packaging technology, specifically relating to a packaging liner and a household appliance component. Background Technology

[0002] In practical applications, the shapes of packaged items vary. To ensure that the packaging liner can fit the shape of the packaged item, currently, packaging liners of different shapes need to be made separately to provide stable support. Due to the poor versatility of packaging liners, each packaged item of different shapes requires a separate mold, which leads to high costs. Therefore, how to improve the versatility of packaging liners has become a problem that needs to be solved by those skilled in the art. Utility Model Content

[0003] Therefore, this utility model provides a packaging liner and a household appliance component, and the main technical problem to be solved is: how to improve the versatility of the packaging liner.

[0004] To address the aforementioned problems, this utility model provides a packaging liner, comprising a support shell and a flexible cushioning core. The support shell has a packaging hole for inserting the packaged item. The flexible cushioning core is disposed on the support shell, and its central portion is suspended in the insertion path of the packaged item into the packaging hole, so that it deforms under the pressure of the packaged item when inserted into the packaging hole, forming a groove that covers the packaged item.

[0005] In some embodiments, the flexible cushioning core is disposed at the packaging hole and is fixedly connected to the support shell via a circumferential side portion, so that the middle portion of the flexible cushioning core can be suspended in the insertion path of the packaged item inserted into the packaging hole.

[0006] In some embodiments, the flexible buffer core is located inside the packaging hole, and the groove wall of the packaging hole has a connecting area; the circumferential side is fixedly connected to the connecting area through the circumferential sidewall of the flexible buffer core.

[0007] In some embodiments, the opening of the packaging hole has a flared groove, and the bottom surface of the flared groove forms an annular step; the flexible buffer core is located in the flared groove, and the flexible buffer core abuts against the annular step through one side of the circumferential side thickness direction; wherein, the groove wall of the flared groove forms the connecting area.

[0008] In some embodiments, one side of the circumferential side portion in the thickness direction is also fixedly connected to the annular step.

[0009] In some embodiments, the wall of the packaging hole has a double-layer structure, with the inner layer and the outer layer of the packaging hole wall having a height difference at the opening of the packaging hole, so as to form the flared groove at the opening of the packaging hole.

[0010] In some embodiments, the flexible cushioning core has a first surface and a second surface opposite to each other on the insertion path of the packaged item into the packaging hole, the first surface facing the outside of the packaging hole; wherein, the middle part of the flexible cushioning core receives the pressure of the packaged item through the first surface and deforms towards the second surface to form the groove; and the second surface can deform together with the first surface when it is compressed and bulge towards the second surface.

[0011] In some embodiments, the packaging hole is a blind hole; wherein, The support shell has a single-layer structure; the support shell is barrel-shaped to form the packaging hole on the inside. Alternatively, the support shell has a first shell and a second shell, the first shell being barrel-shaped and the second shell being annular, the second shell being sleeved on the inner side of the circumferential sidewall of the first shell; wherein the second shell and the bottom surface of the first shell cooperate to form the packaging hole.

[0012] In some embodiments, the support shell is a honeycomb paperboard shell, a corrugated paperboard shell, or a composite paperboard shell; And / or, the flexible cushioning core is a honeycomb paper core, a bubble bag, or a pearl cotton component.

[0013] In some embodiments, when the flexible cushioning core is a honeycomb paper core, wherein, The honeycomb paper core has a side length c = 7mm~14mm; And / or, the height of the honeycomb paper core is t = 20mm~30mm; And / or, the inner diameter of the honeycomb paper core is d, and the honeycomb hole spacing of the honeycomb paper core is a, wherein a / d = 0.1~0.3.

[0014] This utility model also provides a household appliance assembly, which includes a household appliance and the packaging liner described in any one of the above-mentioned embodiments; wherein the household appliance serves as the packaged component.

[0015] The packaging liner and household appliance component provided by this utility model have the following beneficial effects: 1. The flexible cushioning pad of this utility model forms a groove by deforming in real time when the packaged item is inserted into the packaging hole, so that the shape of the groove can be adapted to the different shapes of the packaged item. This makes the packaging pad of this utility model suitable for packaging items of different shapes, thus increasing its versatility. It eliminates the need to develop corresponding molds for each product with a different shape, saving costs.

[0016] 2. The supporting shell of this utility model can be a honeycomb cardboard shell, and the flexible cushioning core can be a honeycomb paper core. By combining the honeycomb cardboard and the honeycomb paper core, this utility model can not only pack a certain cushioning strength, but also be applicable to different appearance structures, which greatly improves the versatility of the packaging liner and reduces the cost of foam molding; at the same time, it also makes the packaging liner a full paper packaging, which meets the export standards of countries with plastic ban requirements. Attached Figure Description

[0017] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. The drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0018] Figure 1 This is a structural schematic diagram of the packaging liner of this utility model; Figure 2 This is a cross-sectional view of the first example of the packaging liner of this utility model; Figure 3 This is a cross-sectional view of the packaging liner of the second example of this utility model; Figure 4 This is a schematic diagram showing the packaging padding of this utility model wrapped on the packaged item; Figure 5 This is a three-dimensional structural diagram of the household appliance component of this utility model; Figure 6 This is a schematic diagram illustrating the processing of the packaging liner of the second example of this utility model; Figure 7 It is a schematic diagram reflecting the distance between the centers of adjacent phase honeycombs on the honeycomb paper core; Figure 8 This is a schematic diagram of the structure of a single honeycomb on a honeycomb paper core; Figure 9 The structure of foam packaging liner in the prior art is shown in the figure; Figure 10 This is a schematic diagram of the vertical load on both the honeycomb packaging liner of this utility model and the existing foam packaging liner; Figure 11This is a schematic diagram of the load in the left and right directions of the honeycomb packaging liner of this utility model and the existing foam packaging liner; Figure 12 This is a deformation cloud diagram in the vertical direction of both the honeycomb packaging liner of this utility model and the existing foam packaging liner; Figure 13 This is a cloud map showing the deformation of the honeycomb packaging liner of this utility model and the existing foam packaging liner in the left and right directions.

[0019] The attached figures are labeled as follows: 1. Support shell; 2. Flexible cushioning core; 3. Packaging hole; 4. Flared groove; 5. Packaged item; 11. First shell; 12. Second shell; 20. Groove; 21. Packaging area; 22. Circumferential side; 41. Annular step; 42. Connecting area; 211. First surface; 212. Second surface; 1a. Outer layer; 1b. Inner layer; 100. Packaging liner; 200. Household appliance. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0021] In the description of this utility model, it should be understood that the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.

[0022] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0023] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0024] See also Figure 1-4 As shown, according to an embodiment of the present invention, a packaging liner 100 is provided, which includes a support shell 1 and a flexible cushioning core 2. The support shell 1 is provided with a packaging hole 3 for inserting a packaged item 5. The flexible cushioning core 2 has a packaging area 21, which is disposed on the support shell 1 and is suspended in the insertion path of the packaged item 5 into the packaging hole 3. The packaging area 21 is used to deform under the pressure of the packaged item 5 when it is inserted into the packaging hole 3, forming a groove 20 that covers the packaged item 5.

[0025] In the above example, compared with the prior art packaging method of pre-processing grooves 20 on the buffer core to cover the packaged item 5, the present invention suspends the packaging area 21 on the flexible buffer core 2 in the insertion path of the packaged item 5 into the packaging hole 3, and the packaging area 21 can form the groove 20 by real-time deformation when the packaged item 5 is inserted into the packaging hole 3. Thus, the shape of the groove 20 can be adapted to different shapes of the packaged item 5. In this way, the packaging liner 100 of the present invention can package packaged items 5 of different shapes, thus having higher versatility and eliminating the need to develop corresponding molds for each product with different shapes, which can save costs.

[0026] In some implementations, such as Figure 1-3As shown, the aforementioned packaging area 21 can be located in the middle of the flexible cushioning core 2. The flexible cushioning core 2 can be disposed at the packaging hole 3 and fixedly connected to the support shell 1 through the circumferential side portion 22, so that the packaging area 21 can be suspended in the insertion path of the packaged item 5 inserted into the packaging hole 3.

[0027] It should be noted that after the flexible buffer core 2 is fixedly connected to the support shell 1 through the circumferential side 22, the suspended area in the middle of the flexible buffer core 2 can be regarded as the packaging area 21.

[0028] To achieve the effect of fixing the circumferential side 22 of the flexible buffer core 2 to the support shell 1, in some embodiments, such as Figure 2 As shown, the aforementioned flexible buffer core 2 is located within the packaging hole 3, and the groove wall of the packaging hole 3 has a connecting area 42. The aforementioned circumferential side portion 22 is fixedly connected to the connecting area 42 via the circumferential side wall of the flexible buffer core 2, thereby achieving a fixed connection between the circumferential side portion 22 and the support shell 1. Specifically, the circumferential side wall and the connecting area 42 can be fixedly connected by adhesive.

[0029] In some implementations, such as Figure 2 As shown, the opening of the aforementioned packaging hole 3 may have a flared groove 4, and the bottom surface of the flared groove 4 forms an annular step 41. The aforementioned flexible buffer core 2 is located within the flared groove 4, and the flexible buffer core 2 abuts against the annular step 41 through one side of the circumferential side portion 22 in the thickness direction. The groove wall of the flared groove 4 forms the aforementioned connecting area 42.

[0030] In the above example, by providing support for one side of the circumferential side 22 of the flexible buffer core 2 in the thickness direction by setting the annular step 41, the deformation strength of the flexible buffer core 2 can be enhanced, and the connection stability between the circumferential side 22 of the flexible buffer core 2 and the support shell 1 can be improved. The circumferential side 22 is generally fixed to the support shell 1 by adhesive. Without the support of the annular step 41, the flexible buffer core 2 is prone to excessive deformation, causing the adhesive portion to detach from the support shell 1.

[0031] In some implementations, such as Figure 2 As shown, one side of the aforementioned circumferential side 22 in the thickness direction is also fixedly connected to the annular step 41, for example, by means of adhesive. This can further improve the connection stability between the circumferential side 22 and the support shell 1.

[0032] In order to form the aforementioned flared groove 4, in some embodiments, such as Figure 3 As shown, the wall of the aforementioned packaging hole 3 can be a double-layer structure. The inner layer 1b and the outer layer 1a of the packaging hole 3 have a height difference at the opening of the packaging hole 3, so as to form the aforementioned flared groove 4 at the opening of the packaging hole 3.

[0033] In the above example, on the one hand, by designing the hole wall of the packaging hole 3 as a double-layer structure, the strength of the supporting shell 1 can be improved; on the other hand, by making the inner and outer layers of the double-layer structure have a height difference at the opening, it is beneficial to form the aforementioned flared groove 4 without having to perform separate grooving processing.

[0034] In some embodiments, the inner layer 1b of the hole wall of the aforementioned packaging hole 3 and the outer layer 1a of the hole wall of the packaging hole 3 are also fixed by adhesive, which can improve the connection stability between the two.

[0035] In some implementations, such as Figure 5 As shown, the aforementioned packaging area 21 has a first surface 211 and a second surface 212 opposite to each other on the insertion path of the packaged item 5 into the packaging hole 3. The aforementioned first surface 211 faces outward from the packaging hole 3. The packaging area 21 is compressed by the packaged item 5 through the first surface 211, and deforms towards the second surface 212 to form the aforementioned groove 20; and the second surface 212 can deform together with the first surface 211 when it is compressed, and bulge towards the second surface 212.

[0036] In the above example, both sides of the packaging area 21 on the insertion path of the packaged item 5 deform when squeezed by the packaged item 5. This can increase the deformation of the flexible buffer core 2, which is conducive to the flexible buffer core 2 forming a deeper groove 20 to cover the packaged item 5, thereby improving the effect of the flexible buffer core 2 covering the packaged item 5.

[0037] In some embodiments, the aforementioned packaging hole 3 is a blind hole. By designing the packaging hole 3 as a blind hole, the support shell 1 can also provide shell protection for the flexible buffer core 2 at the bottom surface of the packaging hole 3.

[0038] It should be noted that the aforementioned second surface 212 is opposite to the bottom surface of the packaging hole 3, and there is a clearance space between them for the second surface 212 to undergo protrusion deformation.

[0039] In some embodiments, the aforementioned support shell 1 can be a honeycomb paperboard shell, a corrugated paperboard shell, or a composite paperboard shell, etc. Preferably, the support shell 1 is a honeycomb paperboard shell.

[0040] In some embodiments, the aforementioned flexible cushioning core 2 can be a honeycomb paper core, a bubble wrap, or pearl cotton, etc. Preferably, the flexible cushioning core 2 is a honeycomb paper core. The thickness of the flexible cushioning core 2 can be 10mm to 15mm.

[0041] In some implementations, such as Figure 7-8As shown, when the flexible buffer core 2 is a honeycomb paper core, the honeycomb side length of the honeycomb paper core is c, the height of the honeycomb paper core is t, the inner diameter of the honeycomb paper core is d, and the honeycomb hole spacing of the honeycomb paper core is a.

[0042] The honeycomb structure of the honeycomb paper core is generally a regular hexagonal structure. The aforementioned side length c of the honeycomb refers to the side length of the regular hexagonal structure. The preferred side length c is 7mm to 14mm. If c is too small, the honeycomb paper core is prone to delamination and cracking during assembly, while if c is too large, it is prone to wavy deformation during processing.

[0043] The aforementioned honeycomb inner diameter d is the diameter of the inscribed circle of the aforementioned regular hexagonal structure. The height t of the honeycomb paper core is preferably 20mm~30mm, which is a moderately priced height and provides sufficient cushioning for drop testing.

[0044] The aforementioned cell spacing 'a' is the distance between the centers of two adjacent cells in the stretching direction of the honeycomb paper core. Here, a / d = i, where i is the ratio of the cell spacing to its inner diameter. i = 1 indicates appropriate stretching; i > 1 indicates excessive stretching; and i < 1 indicates insufficient stretching.

[0045] In some implementations, i = 0.1 to 0.3, which ensures that the honeycomb paper core can wrap around the product surface during assembly.

[0046] The aforementioned support shell 1 can be a single-layer structure or a double-layer structure. The following will explain these two cases respectively.

[0047] In the first example, such as Figure 2 As shown, the aforementioned support shell 1 is a single-layer structure. Furthermore, the support shell 1 is barrel-shaped, forming the aforementioned packaging hole 3 on its inner side. In this first example, the thickness of the support shell 1 can be 10mm to 20mm.

[0048] In the second example, such as Figure 3 As shown, the aforementioned support shell 1 has a double-layer structure. Specifically, the support shell 1 may have a first shell 11 and a second shell 12. The first shell 11 is barrel-shaped, and the second shell 12 is annular. The second shell 12 is fitted inside the circumferential sidewall of the first shell 11. The second shell 12 and the bottom surface of the first shell 11 mate to form the aforementioned packaging hole 3. In this second example, the thickness of both the first shell 11 and the second shell 12 can be 10mm to 20mm.

[0049] In this second example, the first housing 11 and the second housing 12 can form a double-layer structure for the hole wall of the aforementioned packaging hole 3. The first housing 11 forms the outer layer 1a of the hole wall of the aforementioned packaging hole 3, and the second housing 12 forms the inner layer 1b of the hole wall of the aforementioned packaging hole 3. The bottom of the second housing 12 is also fixed to the bottom surface of the first housing 11 by adhesive to improve the connection stability between the two.

[0050] The first shell 11 can be a honeycomb cardboard shell, a corrugated cardboard shell, or a composite cardboard shell, etc. Similarly, the second shell 12 can also be a honeycomb cardboard shell, a corrugated cardboard shell, or a composite cardboard shell, etc.

[0051] When the aforementioned support shell 1 adopts the double-layer structure shown in the second example, and both the first shell 11 and the second shell 12 are honeycomb paper cores, the processing procedure of the packaging liner 100 is as follows: Refer to Figure 6 Step 1: First, die-cut the honeycomb paperboard of the first shell 11 and the second shell 12, and press the fold lines. Step 2: Fold the honeycomb paperboard of the second shell 12 into a U-shape, and glue the seam. Step 3: Place the U-shaped honeycomb paperboard (i.e., the second shell 12) in the middle of the honeycomb paperboard of the first shell 11, and glue the contact points of the two together. Step 4: Glue the die-cut flexible cushioning core 2, such as the honeycomb paper core, to the other end of the U-shaped honeycomb paperboard (i.e., the second shell 12). Step 5: Fold the honeycomb paperboard of the first shell 11 along the crease lines, apply glue to the inside, and glue it to the outer wall of the U-shaped honeycomb paperboard and the perimeter of the flexible cushioning core 2. The entire packaging liner 100 is now complete.

[0052] In some implementations, such as Figure 4-5 As shown, this utility model also provides a household appliance assembly, which may include a household appliance 200 and a packaging liner 100 as described above. The household appliance 200 serves as the aforementioned packaged component 5.

[0053] In some implementations, the aforementioned household appliance 200 may be an air conditioner, a small appliance, a refrigerator, a washing machine, etc.

[0054] In a specific application example, such as Figure 5 As shown, the aforementioned packaging pad 100 can be two, meaning the household appliance 200 is packaged using two packaging pads 100. One packaging pad 100 can be placed at one end of the household appliance 200, and the other packaging pad 100 can be placed at the other end of the household appliance 200. Figure 4-5 The diagram shows a packaging schematic for a wall-mounted indoor unit of a household appliance 200. Two packaging pads 100 are inserted from the left and right sides of the wall-mounted indoor unit. During the insertion of the packaging pads 100, the flexible cushioning core 2 is gradually deformed by the pressure from the left and right sides of the product. As the packaging pads 100 move, the flexible cushioning core 2 gradually conforms to the outer surface of the product, forming a cushioning layer that wraps around the product.

[0055] In this invention, the flexible buffer core 2 is preferably a honeycomb paper core. Since the flexible buffer core 2 can deform with the appearance of the product, it is suitable for various product structures with different shapes and characteristics. This can solve the problem of too many molds and high costs caused by irregular structures.

[0056] The manufacturing process of this packaging liner 100 is simpler compared to that of foamed materials such as EPS and EPP, requiring no heating, pressurization, water cooling, or other equipment. It should be noted that the flexible cushioning core 2 can be made of 10mm-15mm thick honeycomb core. When the support shell 1 is a single-layer structure, it can be made of 10mm-20mm thick honeycomb cardboard. When the support shell 1 is a double-layer structure, each layer can be made of 10mm-20mm thick honeycomb cardboard. The honeycomb cardboard itself has excellent cushioning performance, significantly reducing cost and processing difficulty.

[0057] This invention combines honeycomb cardboard and honeycomb paper core, which can provide a certain level of cushioning strength and be applicable to different appearance structures, greatly improving the versatility of the packaging liner 100 and reducing the cost of foam molding; at the same time, it also makes the packaging liner 100 an all-paper packaging, meeting the export standards of countries with plastic ban requirements.

[0058] In some embodiments, when the aforementioned support shell 1 is a honeycomb cardboard shell and the flexible cushioning core 2 is a honeycomb paper core, the resulting packaging liner 100 is a honeycomb packaging liner, and the honeycomb packaging liner has better resistance to deformation in both the vertical and horizontal directions than the foam packaging liner in the prior art. The structure of the foam packaging liner in the prior art is as follows... Figure 9 As shown. The vertical loads of the honeycomb packaging liner of this utility model and the existing foam packaging liner are as follows. Figure 10 As shown, the loads in the left and right directions of both are as follows: Figure 11 As shown, the deformation cloud maps of both in the vertical direction are as follows: Figure 12 As shown, the deformation cloud maps in the left and right directions of both are as follows: Figure 13 As shown. Among them, as Figure 12 As shown, the maximum deformation of existing foam packaging liners in the vertical direction is 2.3348 mm, while the maximum deformation of the honeycomb packaging liners of this invention in the vertical direction is 1.125 mm. Figure 13 As shown, the maximum deformation of existing foam packaging liners in the lateral direction is 1.9563 mm, while the maximum deformation of the honeycomb packaging liners of this invention in the lateral direction is 0.78426 mm. Therefore, it is evident that the honeycomb packaging liners of this invention have superior resistance to deformation in both the vertical and horizontal directions compared to existing foam packaging liners.

[0059] It will be readily understood by those skilled in the art that, without conflict, the advantageous technical features of the above-mentioned methods can be freely combined and superimposed.

[0060] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model. The above description is only a preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A packaging liner (100), characterized in that: It includes a support shell (1) and a flexible buffer core (2), wherein the support shell (1) is provided with a packaging hole (3) for inserting the packaged item (5); The flexible buffer core (2) has a packaging area (21). The flexible buffer core (2) is disposed on the support shell (1) and the packaging area (21) is suspended in the insertion path of the packaged item (5) into the packaging hole (3). The packaging area (21) is used to deform under the pressure of the packaged item (5) when the packaged item (5) is inserted into the packaging hole (3) to form a groove (20) covering the packaged item (5).

2. The packaging liner (100) according to claim 1, characterized in that: The packaging area (21) is located in the middle of the flexible buffer core (2); the flexible buffer core (2) is disposed at the packaging hole (3) and is fixedly connected to the support shell (1) through the circumferential side (22) so that the packaging area (21) can be suspended on the insertion path of the packaged item (5) inserted into the packaging hole (3).

3. The packaging liner (100) according to claim 2, characterized in that: The flexible buffer core (2) is located inside the packaging hole (3), and the groove wall of the packaging hole (3) has a connecting area (42); the circumferential side (22) is fixedly connected to the connecting area (42) through the circumferential side wall of the flexible buffer core (2).

4. The packaging liner (100) according to claim 3, characterized in that: The opening of the packaging hole (3) has a flared groove (4), and the bottom surface of the flared groove (4) forms an annular step (41); the flexible buffer core (2) is located in the flared groove (4), and the flexible buffer core (2) abuts against the annular step (41) through one side of the thickness direction of the circumferential side (22); wherein, the groove wall of the flared groove (4) forms the connecting area (42).

5. The packaging liner (100) according to claim 4, characterized in that: One side of the circumferential side (22) in the thickness direction is also fixedly connected to the annular step (41).

6. The packaging liner (100) according to claim 4 or 5, characterized in that: The wall of the packaging hole (3) has a double-layer structure. The inner layer (1b) and the outer layer (1a) of the wall of the packaging hole (3) have a height difference at the opening of the packaging hole (3) to form the flared groove (4) at the opening of the packaging hole (3).

7. The packaging liner (100) according to any one of claims 1-5, characterized in that: The packaging area (21) has a first surface (211) and a second surface (212) opposite each other on the insertion path of the packaged item (5) into the packaging hole (3), the first surface (211) facing the outside of the packaging hole (3); wherein, the packaging area (21) receives the pressure of the packaged item (5) through the first surface (211) and deforms towards the second surface (212) to form the groove (20); and the second surface (212) can deform together with the first surface (211) when it is compressed and protrude towards the second surface (212).

8. The packaging liner (100) according to any one of claims 1-5, characterized in that: The packaging hole (3) is a blind hole; wherein, The support shell (1) is a single-layer structure; the support shell (1) is barrel-shaped to form the packaging hole (3) on the inside; Alternatively, the support shell (1) has a first shell (11) and a second shell (12), the first shell (11) being barrel-shaped and the second shell (12) being annular, the second shell (12) being sleeved on the inner side of the circumferential sidewall of the first shell (11); wherein the second shell (12) and the bottom surface of the first shell (11) cooperate to form the packaging hole (3).

9. The packaging liner (100) according to any one of claims 1-5, characterized in that: The support shell (1) is a honeycomb paperboard shell, a corrugated paperboard shell, or a composite paperboard shell; And / or, the flexible cushioning core (2) is a honeycomb paper core, a bubble bag, or a pearl cotton piece.

10. The packaging liner (100) according to claim 9, characterized in that: When the flexible buffer core (2) is a honeycomb paper core, wherein, The honeycomb paper core has a side length c = 7mm~14mm; And / or, the height of the honeycomb paper core is t = 20mm~30mm; And / or, the inner diameter of the honeycomb paper core is d, and the honeycomb hole spacing of the honeycomb paper core is a, wherein a / d = 0.1~0.

3.

11. A household appliance component, characterized in that: Includes a household appliance (200) and a packaging liner (100) according to any one of claims 1-10; The household appliance (200) is used as the packaged item (5).

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