Packaging bracket and packaging method for spring mattress

Abstract

The invention discloses a packaging bracket and a packaging method for a spring mattress, the packaging bracket comprises two opposite transverse frames, two opposite longitudinal frames and rollers, and the longitudinal frames can be folded inwards; the bottom of the transverse frame is connected with a bottom face supporting frame, and the bottom face supporting frame can rotate to form an included angle ranging from 0 degree to 90 degrees with the transverse frame connected with the bottom face supporting frame. The two ends, in the transverse direction, of the bottom face supporting frame are connected with the longitudinal frames in a clamped mode through clamping structures correspondingly. The two ends of the transverse frame are rotationally connected with one ends of the two longitudinal frames respectively, the length of the transverse frame in the transverse direction is larger than or equal to two times of the length of the longitudinal frames in the longitudinal direction, and the rolling wheels are arranged at the bottom of the transverse frame or the bottoms of the longitudinal frames. The single packaging size of the spring mattress can be reduced, transportation and carrying are convenient, and the labor cost is saved; and the spring mattress can be prevented from being damaged and deformed.

Description

Technical Field

[0001] This invention belongs to the field of furniture transportation technology, specifically relating to a packaging bracket and packaging method for a spring mattress. Background Technology

[0002] Most existing spring mattresses are single-piece constructions, resulting in a large overall size and high costs for transportation and storage. In pursuit of mattress comfort, designs incorporate detachable and connectable elastic modules. This allows for adjustment of the springs in different areas of the mattress as needed, enabling varying firmness in different zones. Furthermore, the springs can be disassembled and transported separately.

[0003] Disassembling and shipping spring mattresses separately greatly improves the convenience of transporting them. However, there are still some problems with their transportation and handling. Even with separate packaging and transportation methods, there are still problems such as long assembly time, difficulty in disassembly and assembly, and difficulty in moving them, which affect their performance. Summary of the Invention

[0004] The purpose of this invention is to overcome the defects of the prior art and provide a packaging bracket and packaging method for spring mattresses, which can reduce the individual packaging volume of spring mattresses, facilitate transportation and handling, save labor costs, and prevent spring mattresses from being damaged or deformed.

[0005] The technical solution of the present invention is as follows:

[0006] A packaging tray for a spring mattress includes two opposing transverse frames, two opposing longitudinal frames, and rollers, the longitudinal frames being capable of folding inwards;

[0007] The bottom of the transverse frame is connected to a bottom support frame. The bottom support frame can rotate to form an angle of 0°-90° with the transverse frame it is connected to. When the bottom support frame rotates to be perpendicular to the transverse frame, the two ends of the bottom support frame in the transverse direction are respectively connected to a longitudinal frame through a snap-fit ​​structure.

[0008] The two ends of the transverse frame are rotatably connected to one end of each of the two longitudinal frames. The length of the transverse frame in the transverse direction is greater than or equal to twice the length of the longitudinal frame in the longitudinal direction. Rollers are set at the bottom of the transverse frame or the longitudinal frame.

[0009] In some possible implementations, the transverse frame and the bottom support frame are connected by a linkage, with the transverse frame and the bottom support frame respectively connected to the two ends of the linkage, and the bottom support frame being able to rotate relative to the linkage.

[0010] In some possible implementations, the main body of the link and the transverse frame are in the same vertical plane, and the end of the link away from the transverse frame has an inwardly protruding connecting protrusion, and the bottom support frame is rotatably connected to the connecting protrusion.

[0011] In some possible implementations, the length of the bottom support frame in the lateral direction is less than or equal to the distance between the two longitudinal frames.

[0012] In some possible implementations, the connection point between the bottom support frame and the connecting rod and the bottom support frame is higher than the bottom of the longitudinal frame in the height direction. When the bottom support frame is parallel to the transverse frame and the longitudinal frame is folded inward, the bottom support frame and the longitudinal frame do not interfere with each other.

[0013] In some possible implementations, the transverse frame is connected to the bottom support frame by two linkages.

[0014] In some possible implementations, the snap-fit ​​structure includes snap-fit ​​female parts located at both ends of the bottom support frame in the transverse direction and snap-fit ​​female parts protruding upward from the longitudinal frame. The longitudinal frame is snapped into the two bottom support frames respectively through the snap-fit ​​structure.

[0015] In some possible implementations, the length of the bottom support frame in the longitudinal direction is less than or equal to half the length of the longitudinal frame in the longitudinal direction.

[0016] In some possible implementations, the bottom support frame forms two inwardly recessed clearance portions on the side near the transverse frame, and when the longitudinal frame is folded inward and the bottom support frame is parallel to the transverse frame, the snap-fit ​​component is at least partially located below the clearance portions.

[0017] In some possible implementations, the longitudinal frame is obtained by hinged two half-frames;

[0018] The semi-frame includes an upper rod, a lower rod, and a side rod. The upper rod and the lower rod are arranged in parallel, and the side rod is perpendicular to the upper rod. The upper rod and the lower rod are connected at the end by the side rod. The upper rod, the lower rod, and the side rod are integrally formed.

[0019] The two upper rods of the two half-frames are hinged at the end away from the side rods, and the two lower rods are hinged at the end away from the side rods, forming a longitudinal frame.

[0020] In some possible implementations, the longitudinal frame also includes a hinge, which comprises two opposing sleeves with their openings facing away from each other, and the ends of the two sleeves furthest from the openings are connected by a hinge.

[0021] The two upper rods are respectively sleeved in a sleeve of the hinge to achieve the connection between the two upper rods;

[0022] The two lower rods are respectively sleeved in a sleeve of the hinge, thus connecting the two lower rods.

[0023] In some possible implementations, the snap-fit ​​component is mounted on the sleeve.

[0024] In some possible implementations, the rollers are positioned at the ends of the connecting rods near the connecting protrusions, and the distance between two opposing rollers connected to different transverse frames is greater than the distance between the outer edges of the two transverse frames.

[0025] A method for packaging a spring mattress, the spring mattress comprising a detachable upper padding layer, an elastic module, and a bottom plate, the upper padding layer being a soft padding layer, the elastic module being formed by detachably connecting multiple spring units, and the bottom plate being formed by detachably splicing bottom plate units, the mattress being packaged by a packaging device comprising several independent packaging containers and the aforementioned packaging bracket;

[0026] The upper padding layer is housed in a separate packaging container, the bottom plate is housed in at least one separate packaging container, the elastic module is housed in at least one separate packaging container, and the separate packaging containers are stacked in a packaging tray.

[0027] In some possible implementations, when the elastic module is housed in an independent packaging container, the elastic module is locked in a compressed state along its elastic direction.

[0028] In some possible implementations, the base plate is disassembled and stacked in an individual packaging container.

[0029] In some possible implementations, the upper padding layer is folded or rolled up and stored in an individual packaging container.

[0030] In some possible implementations, handle holes are provided on two opposite side walls of the individual packaging container.

[0031] In some possible implementations, the top surface of the individual packaging container is provided with a handle.

[0032] In some possible implementations, the packaging device also includes an integral packaging container, in which individual packaging containers are stacked and housed, and the integral packaging container is housed within a packaging tray.

[0033] The present invention has at least the following beneficial effects:

[0034] 1. The spring mattress packaging method and device provided by the present invention reduces the packaging volume by packaging the upper padding layer, the spring unit that makes up the elastic module, and the bottom plate unit that makes up the bottom plate into separate packaging containers and then stacking them for transportation. This saves space and manpower during manual handling and transportation, and prevents the components of the spring mattress from being damaged or deformed due to improper stacking.

[0035] 2. By stacking individual packaging containers on packaging pallets, merchants can easily transport goods or users can move them, saving labor costs. In some possible implementations, individual packaging containers are stacked and stored in a larger packaging container, which can fix the stacked individual packaging containers, making the stacking more secure. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the spring mattress in Example 1;

[0037] Figure 2 This is a structural diagram of the upper padding layer, elastic module, and base plate of the spring mattress in Example 1. To illustrate the structure of the base plate, only a portion of the elastic module is shown.

[0038] Figure 3 This is a schematic diagram of the elastic module in Example 1;

[0039] Figure 4 This is a schematic diagram of the elastic module locked in a compressed state in Example 1;

[0040] Figure 5 This is a schematic diagram of the base plate in Example 1;

[0041] Figure 6 This is a schematic diagram of the base plate being divided into base plate units in Example 1;

[0042] Figure 7 This is a schematic diagram of the upper padding layer being wound and placed in the first packaging container in Example 1. The diagram is designed to make the structural relationship between the upper padding layer and the first packaging container clearer. Figure 7 The handle hole on the first packaging container is omitted.

[0043] Figure 8 This is a schematic diagram of the structure of the first packaging container in Example 1;

[0044] Figure 9 This is a schematic diagram of the structure of the third packaging container in Example 1;

[0045] Figure 10 This is a schematic diagram of the elastic module in Example 1, which is disassembled into a group of multiple spring units, locked in a compressed state, and then placed in a second packaging container.

[0046] Figure 11 This is a schematic diagram of the structure of the second packaging container in Example 1;

[0047] Figure 12 This is a schematic diagram of multiple independent packaging containers stacked and stored in a packaging tray in Example 1;

[0048] Figure 13 for Figure 12 A bottom view;

[0049] Figure 14 This is a schematic diagram of two sets of packaging devices stacked in the height direction in Example 1;

[0050] Figure 15 This is a schematic diagram of the packaging tray in the folded state in Example 1;

[0051] Figure 16 This is a schematic diagram of the packaging tray in Example 1, wherein the bottom support frame is parallel to the transverse frame, and the longitudinal frame is between the open state and the folded state;

[0052] Figure 17 This is a schematic diagram of the packaging tray in Example 1, wherein the bottom support frame is parallel to the transverse frame, and the longitudinal frame is in the open state;

[0053] Figure 18 This is a schematic diagram of the packaging tray in Example 1, wherein the plane of the bottom support frame forms an acute angle with the plane of the horizontal frame connected to it, and the vertical frame is in the open state;

[0054] Figure 19 This is a schematic diagram of the packaging tray structure in Example 1, wherein the bottom support frame is perpendicular to the horizontal frame and is connected to the vertical frame through a snap-fit ​​structure;

[0055] Figure 20 This is a schematic diagram of the stacking and storage of individual packaging containers in the packaging tray in Example 2. To illustrate the relationship between the individual packaging containers and the packaging tray, the overall packaging container is omitted in this figure.

[0056] Figure 21 This is a schematic diagram of the overall packaging container being stored in the packaging tray in Example 2.

[0057] The reference numerals in the diagram are as follows: 1-Spring mattress; 11-Upper padding layer; 12-Elastic module; 121-Spring unit; 13-Bottom plate; 131-Bottom plate unit; 2-Packaging bracket; 21-Transverse frame; 211-Bottom support frame; 212-Allowing part; 213-Snap-fit ​​female part; 214-Connecting rod; 215-Connecting protrusion; 216-Roller; 22-Longitudinal frame; 221-Half frame; 222-Upper rod; 223-Lower rod; 224-Snap-fit ​​sub-part; 225-Side rod; 226-Hinge; 227-Sleeve; 228-Hinge; 31-First packaging container; 32-Second packaging container; 33-Third packaging container; 34-Handle hole; 35-Handle; 4-Integral packaging container. Detailed Implementation

[0058] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0059] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and 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. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0060] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed", "equipped", "sleeved / connected", "connected", etc., should be interpreted broadly. For example, "connection" can be a wall-mounted connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this invention can be understood according to the specific circumstances.

[0061] Example 1

[0062] This embodiment provides a packaging bracket 2 for a spring mattress 1, and a packaging method for packaging and transporting a detachable spring mattress 1. Wherein, as... Figure 1 and Figure 2 As shown, the detachable spring mattress 1 includes an upper padding layer 11, an elastic module 12, and a base plate 13, and these three components are detachable. The upper padding layer 11 is a soft padding layer, and the elastic module 12 is formed by detachably connecting multiple spring units 121. The spring units 121 can be detachably connected... Figure 3 State compression to Figure 4 Status, such as Figure 5 and Figure 6 As shown, the base plate 13 is detachably assembled from base plate units 131. When shipping or when handling the product, the seller can disassemble a spring mattress 1 into the upper padding layer 11, multiple spring units 121, and multiple base plate units 131 for packaging.

[0063] The packaging device for the spring mattress 1 in this embodiment includes multiple individual packaging containers and packaging trays 2. Specifically, the individual packaging containers include a first packaging container 31 for packaging the upper padding layer 11, a second packaging container 32 for packaging the spring unit 121, and a third packaging container 33 for packaging the base plate unit 131.

[0064] Since the upper padding layer 11 is a soft padding layer, it can be folded or rolled up and then placed into a first packaging container 31. In this embodiment, the first packaging container 31 adopts the following... Figure 7 and Figure 8 The elongated packaging box shown is used to roll up the upper padding layer 11 and insert it into the elongated packaging box. As a simple alternative to this embodiment, the first packaging container 31 can also be a flat packaging box, into which the upper padding layer 11 is folded and inserted. The shape and size of the first packaging container 31 are specifically selected according to the volume and size of the upper padding layer 11, and are not particularly limited, as long as the purpose of the present invention can be achieved.

[0065] The base plate 13 is disassembled as follows Figure 6 The base plate unit 131 shown is then stacked and installed as follows: Figure 9 The third packaging container 33 is shown. As a simple alternative to this embodiment, when the base plate 13 is made of a flexible material, the base plate 13 can also be folded and packaged in two or fewer third packaging containers 33.

[0066] In order to accommodate more spring units 121 in the second packaging container 32 and save on transportation volume, in this embodiment, multiple arrayed spring units 121 are arranged as a module, and then disassembled on a module-by-module basis instead of separating individual spring units 121. Figure 10 and Figure 11 As shown, the spring unit 121 located in the same module is locked in a compressed state and stacked in the second packaging container 32.

[0067] As a simple alternative to this embodiment, the spring unit 121 can be disassembled individually, compressed to a locked state, and then stacked in the second packaging container 32. The spring units 121 are then stacked in the second packaging container 32 in an N1×N2×N3 configuration, where N1 is greater than or equal to 1, N2 is greater than or equal to 1, and N3 is greater than or equal to 1. Specifically, they can be stacked in a 1*10 configuration in a long, rectangular packaging box, or in multiple rows and columns such as 2*5 or 4*5 in a flat packaging box, or in multiple rows, columns, and groups such as 2*5*5 in a cubic packaging box.

[0068] Furthermore, such as Figure 8 and Figure 9As shown, the individual packaging containers have handle holes 34 on two opposite side walls for easy handling. Alternatively, it can be as follows: Figure 11 As shown, a handle 35 is provided on the top (or side) of the individual packaging container.

[0069] like Figure 12 and Figure 13 As shown, the packaged first packaging container 31, second packaging container 32, and third packaging container 33 are stacked on top of each other and then stored in the packaging tray 2. The packaging tray 2 can compactly fix the individual packaging containers and facilitate manual handling and transportation. The two packaging devices can be arranged as follows: Figure 14 The stacking is performed in the height direction as shown.

[0070] As a simple alternative to this embodiment, the first packaging container 31, the second packaging container 32, and the third packaging container 33 can be freely combined and stacked on a single packaging tray 2. All three types of independent packaging containers can be stacked simultaneously, or any two or one of them can be selected for stacking.

[0071] The following is combined Figure 15-19 The structure of the packaging tray 2 is described in detail below. The packaging tray 2 includes two opposing transverse frames 21, two opposing longitudinal frames 22, and rollers 216. The two ends of each transverse frame 21 are rotatably connected to one end of each of the two longitudinal frames 22. The rollers 216 are located at the bottom of the transverse frames 21. A bottom support frame 211 is connected to the bottom of the transverse frames 21, and the bottom support frame 211 can rotate to form an angle of 0°-90° with the transverse frames 21 to which it is connected. Figure 16 As shown, when the bottom support frame 211 rotates to be perpendicular to the transverse frame 21, both ends of the bottom support frame 211 in the transverse direction are respectively engaged with a longitudinal frame 22 through a snap-fit ​​structure. The length of the transverse frame 21 in the transverse direction is twice the length of the longitudinal frame 22 in the longitudinal direction, and the rollers 216 are set at the bottom of the transverse frame 21 or the longitudinal frame 22.

[0072] The longitudinal frame 22 is formed by hinges two half-frames 221 connected by a hinge 226. Each half-frame 221 includes an integrally formed upper rod 222, a lower rod 223, and a side rod 225. The upper rod 222 and lower rod 223 are arranged parallel to each other, and the side rod 225 is perpendicular to the upper rod 222. The upper rod 222 and lower rod 223 are connected at their ends by the side rod 225. The hinge 226 includes two opposing sleeves 227 with their openings facing away from each other. The ends of the two sleeves 227 away from their openings are connected by a hinge 228. Each upper rod 222 is fitted into one sleeve 227 of the hinge 226, connecting the two upper rods 222. Similarly, each lower rod 223 is fitted into one sleeve 227 of the hinge 226, connecting the two lower rods 223. The semi-frame 221 is unfolded or folded via hinge 226, thereby enabling the unfolding of the longitudinal frame 22 (e.g., Figure 19 (as shown) and folded inwards (as shown) Figure 15 (As shown). Due to the rotatable connection between the longitudinal frame 22 and the transverse frame 21, when the longitudinal frame 22 folds inward, it causes the two transverse frames 21 to move closer together, thus achieving the folding of the packaging tray 2. Since the transverse frame 21 is twice the length of the longitudinal frame 22 in the transverse direction, when the longitudinal frame 22 folds inward, the two longitudinal frames 22 will not interfere with each other and can both be folded completely, resulting in a smaller thickness of the packaging tray 2 after folding.

[0073] The bottom of the transverse frame 21 is connected to the bottom support frame 211 by two connecting rods 214. Specifically, one end of the connecting rod 214 is connected to the transverse frame 21, and the other end of the connecting rod 214 forms a connecting protrusion 215 protruding into the packaging tray 2. The bottom support frame 211 is hinged to the connecting protrusion 215 and can rotate around its hinge point on the connecting protrusion 215, so that an angle of approximately 0-90° is formed between the bottom support frame 211 and the transverse frame 21 to which it is connected.

[0074] The main body of the bottom support frame 211 is slightly shorter in the horizontal direction than the distance between the two longitudinal frames 22, and the connecting protrusion 215 is higher in the vertical direction than the lower rod 223 of the longitudinal frame 22. This arrangement ensures that when the packaging tray 2 is folded, the bottom support frame 211 and the longitudinal frame 22 are on the same vertical plane without interfering with each other. The bottom support frame 211 has snap-fit ​​female parts 213 on both sides. These snap-fit ​​female parts 213 are snap-fit ​​pieces with snap-fit ​​interfaces in the vertical direction. Correspondingly, the longitudinal frame 22 has snap-fit ​​male parts 224, which are upwardly protruding snap-fit ​​protrusions. The snap-fit ​​female parts 213 and snap-fit ​​male parts 224 constitute the snap-fit ​​structure of this embodiment. When the bottom support frame 211 is perpendicular to the horizontal frame 21, the bottom support frame 211 and the longitudinal frame 22 are snapped together by the snap-fit ​​structure. Furthermore, the snap-fit ​​sub-component 224 is disposed on the sleeve 227 of the hinge 226, and the bottom support frame 211 forms two inwardly recessed clearance portions 212 on the side near the transverse frame 21. When the longitudinal frame 22 is folded inward and the bottom support frame 211 is parallel to the transverse frame 21, the snap-fit ​​sub-component 224 is at least partially located below the clearance portions 212. The snap-fit ​​mother piece 213 is located between the vertical planes formed by the two sets of bottom support frames 211 and the two longitudinal frames 22 respectively. Since the snap-fit ​​mother piece 213 is thin, the effect of placing the four snap-fit ​​mother pieces 213 between the two numerical planes on the thickness of the folded packaging tray 2 is relatively small.

[0075] Furthermore, the rollers 216 are located at the end of the connecting rod 214 near the connecting protrusion 215, and the distance between two opposing rollers 216 connected to different transverse frames 21 is greater than the distance between the outer edges of the two transverse frames 21, allowing the two packaging devices to... Figure 14 As shown, stacking in the height direction will not damage the individual packaging containers and the spring mattress 1 inside. As a simple alternative to this embodiment, the casters 216 can also be provided at the bottom of the longitudinal frame 22.

[0076] When the merchant ships the goods or the user needs to move them, the components of the spring mattress 1 can be disassembled into the upper padding layer 11, the elastic module 12 and the base plate 13 respectively. Then, they are packaged in the first packaging container 31, the second packaging container 32 and the third packaging container 33 respectively in the manner described above. Finally, the packaged first packaging container 31, second packaging container 32 and third packaging container 33 are stacked on the packaging tray 2.

[0077] Compared to traditional packaging and transportation methods, in this embodiment, when handling the spring mattress 1, it is easier for the user to carry it by breaking it down into smaller units and storing them in individual packaging containers. Then, during transportation, the individual packaging containers are compactly and securely secured by the packaging bracket 2, and the packaging bracket 2 is equipped with rollers 216 to make handling more convenient and effortless.

[0078] Example 2

[0079] The difference between Example 2 and Example 1 is that the packaging device further includes an integral packaging container 4. In this example, as... Figure 20 and Figure 21 As shown, individual packaging containers are stacked vertically and then stored in a single packaging container 4, which is housed in a packaging tray 2. The single packaging container 4 secures the stacked individual packaging containers, making the stacking more stable.

[0080] The above are merely preferred embodiments of the present invention, and therefore should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made in accordance with the scope of the patent and the contents of the specification should still fall within the scope of the present invention.

Claims

1. A packaging cradle for a spring mattress, characterized in that The frame comprises two opposite lateral frames, two opposite longitudinal frames and rollers, the longitudinal frames can be folded inwardly; The bottom of the lateral frame is connected with a bottom support frame, the bottom support frame can rotate to form an angle of 0-90 degrees with the lateral frame, when the bottom support frame is rotated to be perpendicular to the lateral frame, the two ends of the bottom support frame in the lateral direction are respectively connected with a longitudinal frame through a clamping structure; The two ends of the lateral frame are respectively connected with one end of two longitudinal frames, the length of the lateral frame in the lateral direction is greater than or equal to twice the length of the longitudinal frame in the longitudinal direction, and the rollers are arranged at the bottom of the lateral frame or the longitudinal frame.

2. The packaging tray of claim 1, wherein, The lateral frame and the bottom support frame are connected through a connecting rod, the lateral frame and the bottom support frame are respectively connected at the two ends of the connecting rod, and the bottom support frame can rotate relative to the connecting rod.

3. The packaging tray of claim 2, wherein, The main body of the connecting rod is in the same vertical plane as the lateral frame, one end of the connecting rod away from the lateral frame is formed with a connection protrusion protruding inwardly, and the bottom support frame is rotatably connected to the connection protrusion.

4. The packaging tray of claim 3, wherein, The length of the bottom support frame in the lateral direction is less than or equal to the distance between the two longitudinal frames.

5. The packaging tray of any of claims 2-4, wherein, The connecting point of the bottom support frame and the connecting rod is higher than the bottom of the longitudinal frame in the height direction, and when the bottom support frame is parallel to the lateral frame and the longitudinal frame is folded inwardly, the bottom support frame and the longitudinal frame do not interfere with each other.

6. The packaging tray of claim 5, wherein, The lateral frame and the bottom support frame are connected through two connecting rods.

7. The packaging tray of claim 1, wherein, The clamping structure comprises clamping female parts arranged at the two ends of the bottom support frame in the lateral direction and clamping male parts formed by protruding upwardly from the longitudinal frame, and the longitudinal frame is clamped with two bottom support frames through the clamping structure.

8. The packaging tray of claim 7, wherein, The length of the bottom support frame in the longitudinal direction is less than or equal to half the length of the longitudinal frame in the longitudinal direction.

9. The packaging tray of claim 7 or 8, wherein The side of the bottom support frame close to the lateral frame is formed with two inwardly recessed avoiding parts, when the longitudinal frame is folded inwardly and the bottom support frame is parallel to the lateral frame, the clamping male parts are at least partially located below the avoiding parts.

10. The packaging tray of claim 9, wherein, The longitudinal frame is obtained by hinging two half frames; The half frame comprises an upper rod, a lower rod and a side rod, the upper rod and the lower rod are arranged in parallel, the side rod is perpendicular to the upper rod, the upper rod and the lower rod are connected at the ends through the side rod, and the upper rod, the lower rod and the side rod are integrally formed; The two upper rods of the two half frames are hinged at one end away from the side rod, the two lower rods are hinged at one end away from the side rod, and the longitudinal frame is formed.

11. The packaging tray of claim 10, wherein, The longitudinal frame further comprises a hinge part, the hinge part comprises two opposite sleeves, the openings of the two sleeves are arranged opposite to each other, and the two sleeves are connected through a hinge at one end away from the openings. Two of the upper rods are respectively sleeved in a sleeve of the hinge, so as to realize the connection of the two upper rods. Two of the lower rods are respectively sleeved in a sleeve of the hinge, so as to realize the connection of the two lower rods.

12. The packaging tray of claim 11, wherein, The clamping sub-piece is arranged on the sleeve.

13. The packaging tray of claim 3, wherein The rollers are arranged on the connecting rods close to the connecting blocks, and the distance between two opposite rollers arranged on different horizontal frames is greater than the distance between the outer edges of the two horizontal frames.

14. A method for packing a spring mattress, the spring mattress comprising a detachable upper cushion layer, a resilient module and a bottom plate, the upper cushion layer being a soft cushion layer, the resilient module being formed by detachable connection of a plurality of spring units, the bottom plate being formed by detachable splicing of bottom plate units, characterized in that: The package is performed by a packaging device, which comprises a plurality of independent package containers and the package holder according to any one of claims 1-13; The upper cushion layer is accommodated in an independent package container, the bottom plate is accommodated in at least one independent package container, and the elastic module is accommodated in at least one independent package container, and the independent package containers are stacked in the package holder.

15. The packaging method of claim 14, wherein, When the elastic module is accommodated in the independent package container, the elastic module is locked in a state of being compressed in the elastic direction.

16. The packaging method of claim 14, wherein, The bottom plate is disassembled and stacked and accommodated in the independent package container.

17. The packaging method of claim 14, wherein, The upper cushion layer is folded or wound and accommodated in the independent package container.

18. The packaging method according to any one of claims 14 to 17, wherein, Hand carrying holes are arranged on two opposite side walls of the independent package container.

19. The packaging method according to any one of claims 14 to 17, wherein, A handle is arranged on the top surface of the independent package container.

20. The packaging method according to any one of claims 14 to 17, wherein, The packaging device further comprises a whole package container, the independent package containers are stacked and accommodated in the whole package container, and the whole package container is accommodated in the package holder.

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