Sectional type bed frame

Abstract

The utility model discloses a sectional type bed frame which comprises a bed head plate, a bed tail plate, a left side plate, a right side plate and a crisscross fixed beam, a bed frame main body is defined by the bed head plate, the bed tail plate, the left side plate and the right side plate, the crisscross fixed beam is fixed in the bed frame main body, and the left side plate and the right side plate are respectively formed by splicing two sections of sub side plates. Side supporting rods used for supporting the bed board are arranged on the inner sides of the upper ends of the sub-side boards, the sub-side boards and the side supporting rods are integrally formed through a blow molding / extrusion molding process, the two sub-side boards of the left side board and the right side board are connected through side board connecting pieces, and the two side supporting rods of the left side board are connected with the left end of the cross fixing beam. And the two sections of side supporting rods of the right side plate are connected with the right end of the crisscross fixed beam. According to the utility model, the side plates and the side supporting rods are integrally formed through the blow molding / extrusion molding process, so that the connection firmness is improved, the production difficulty is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of beds, in particular to a segmented bed frame. Background Art

[0002] At present, with the widespread popularity and in-depth promotion of e-commerce, online shopping has become the preferred method for most consumers, which has also prompted more and more furniture manufacturers to actively expand online sales channels. Traditional beds sold in shopping malls are mostly made of wooden boards, which are bulky and difficult to disassemble, causing great inconvenience and high costs for transportation. In order to follow the trend of e-commerce development and effectively reduce product packaging and transportation costs, most manufacturers have now adopted innovative designs to make the bed frame a detachable structure, so that the various components of the bed frame can be easily disassembled, thereby greatly reducing the packaging volume and improving the efficiency of logistics packing.

[0003] The Chinese utility model patent document with the authorization announcement number CN218718017U discloses a connection structure between bed frame components, including a bed side assembly located at the side end of the bed frame, the bed side assembly including an intermediate connector, on which legs, side support rods and outer side panels are connected at the same time; the intermediate connector includes a longitudinal connection panel, and the legs are connected to the inner side of the connection panel; and an upper connection seat extending toward the center of the bed frame is provided at the upper end of the connection panel; the upper connection seat is configured to be plugged with the side support rod, and the side support rod is detachably connected to the upper connection seat; a support plate extending horizontally toward the outside of the bed frame is also provided at the bottom end of the connection panel, and the outer side panel is overlapped on the support plate and detachably connected to the connection panel. When packaging and transporting, the intermediate connector, the side support rod and the outer side panel can be disassembled and packaged for transportation, saving transportation costs; when assembling, quick assembly can be achieved through the intermediate connector, making installation convenient.

[0004] However, in the connection structure between the above-mentioned bed frame components, the side support rod and the outer side plate are two separate components, which adopt a split design and are connected at their ends only by connecting parts, resulting in a weak connection strength between the two. Utility Model Content

[0005] In order to overcome the problem that the side support rods and the outer side plates of the bed frame in the prior art are designed in a split type and have a low connection firmness, the utility model provides a segmented bed frame.

[0006] The technical solution of the utility model is as follows:

[0007] A sectional bed frame comprises a headboard, a footboard, a left side board, a right side board, and a cross fixing beam, wherein the headboard, the footboard, the left side board, and the right side board form a bed frame body, and the cross fixing beam is fixed in the bed frame body.

[0008] The left side panel and the right side panel are both formed by splicing two sections of sub-side panels, and a side support rod for supporting the bed board is arranged on the inner side of the upper end of the sub-side panel, and the sub-side panel and the side support rod are integrally formed through a blow molding / extrusion process, and the two sections of sub-side panels of the left side panel and the right side panel are connected by side panel connectors, and the two sections of side support rods of the left side panel are connected to the left end of the cross-fixed beam, and the two sections of side support rods of the right side panel are connected to the right end of the cross-fixed beam.

[0009] As a preferred solution of the utility model, the top surface of the cross-fixing beam is flush with the top surface of the side support rod.

[0010] As a preferred solution of the present invention, the headboard and the footboard are both made by blow molding / extrusion molding process.

[0011] As a preferred embodiment of the present invention, the cross-fixed beam includes left and right cross beams, a front cross beam and a rear cross beam, the front cross beam and the rear cross beam are respectively vertically arranged at the middle parts of the front and rear sides of the left and right cross beams, and first mounting seats are respectively arranged at the left and right ends of the left and right cross beams, and the left and right cross beams are respectively connected to the two sections of side support rods of the left side plate through the first mounting seats at the left ends thereof, and the left and right cross beams are respectively connected to the two sections of side support rods of the right side plate through the first mounting seats at the right ends thereof, and second mounting seats are respectively arranged at the front and rear ends of the front cross beam, and the front cross beam is respectively connected to the headboard and the left and right cross beams through the second mounting seats at the front and rear ends thereof, and third mounting seats are respectively arranged at the front and rear ends of the rear cross beam, and the rear cross beam is respectively connected to the left and right cross beams and the footboard through the third mounting seats at the front and rear ends thereof.

[0012] As a preferred solution of the utility model, both front and rear ends of the first mounting seat are provided with first fixing holes, and the side support rod is provided with second fixing holes matching with the first fixing holes;

[0013] The left and right ends of the second mounting seat are each provided with a third fixing hole, the inner side of the headboard is provided with a fourth fixing hole matched with the third fixing hole, and the front sides of the left and right cross beams are provided with a fifth fixing hole matched with the third fixing hole;

[0014] The left and right ends of the third mounting seat are each provided with a sixth fixing hole, the rear sides of the left and right cross beams are provided with a seventh fixing hole that matches the sixth fixing hole, and the front side of the footboard is provided with an eighth fixing hole that matches the sixth fixing hole.

[0015] As a preferred solution of the utility model, the cross fixed beam also includes a middle foot arranged in the middle of the bottom of the left and right cross beams, a fourth mounting seat is arranged on the top of the middle foot, ninth fixing holes are provided at both left and right ends of the fourth mounting seat, and a tenth fixing hole matching the ninth fixing hole is provided at the bottom of the left and right cross beams.

[0016] As a preferred solution of the utility model, a fifth mounting seat is provided at the upper end of the side plate connecting member, an eleventh fixing hole and a twelfth fixing hole matching with the second fixing hole are provided at both the front and rear ends of the fifth mounting seat, and a thirteenth fixing hole matching with the eleventh fixing hole is provided on the side support rod;

[0017] A sixth mounting seat is provided at the lower end of the side plate connecting member, a fourteenth fixing hole is provided at both the front and rear ends of the sixth mounting seat, and a fifteenth fixing hole matching with the fourteenth fixing hole is provided on the sub-side plate;

[0018] A seventh mounting seat is arranged at the bottom of the side plate connecting piece, and a sixteenth fixing hole for connecting the supporting leg is opened on the sixth mounting seat.

[0019] As a preferred solution of the present invention, the left and right ends of the headboard are respectively connected to the front ends of the left and right sides of the bed through angle brackets, and the left and right ends of the footboard are respectively connected to the rear ends of the left and right sides of the bed through angle brackets.

[0020] As a preferred solution of the present invention, the top left and right ends of the headboard are respectively connected to the front end tops of the left and right sides of the bed through upper corner brackets, the bottom left and right ends of the headboard are respectively connected to the front end bottoms of the left and right sides of the bed through lower corner brackets, the top left and right ends of the footboard are respectively connected to the rear end tops of the left and right sides of the bed through upper corner brackets, and the bottom left and right ends of the footboard are respectively connected to the rear end bottoms of the left and right sides of the bed through lower corner brackets.

[0021] As a preferred embodiment of the present invention, a plurality of seventeenth fixing holes are provided at the upper portions of both ends of the headboard, the footboard, the left side board and the right side board, a plurality of eighteenth fixing holes are provided at the lower portions of both ends of the headboard, the footboard, the left side board and the right side board, a plurality of nineteenth fixing holes matching with the seventeenth fixing holes are provided on the two right-angled sides of the upper corner bracket, a plurality of twentieth fixing holes matching with the eighteenth fixing holes are provided on the two right-angled sides of the lower corner bracket, and a twenty-first fixing hole for connecting the supporting legs is provided on the bottom plate of the lower corner bracket.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. The left and right sides are both two-section and detachable. When packing and transporting, the entire bed frame can be disassembled into two sections to reduce the packaging size and transportation costs.

[0024] 2. By forming the sub-side plate and the side support rod in one piece through blow molding / extrusion process, not only the connection firmness is improved, but also the production difficulty is reduced, the structural design of the bed frame is expanded, the design style is more diverse than that of wood, and it can be quickly made through a mold, which increases production efficiency;

[0025] 3. By connecting the left end of the cross fixed beam with the two side support rods of the left plate, and the right end of the cross fixed beam with the two side support rods of the right plate, it can not only fix the cross fixed beam, but also strengthen the firmness of the middle connection between the left plate and the right plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0028] Figure 2 This is a structural schematic diagram of a headboard in one embodiment of the utility model;

[0029] Figure 3 This is a structural schematic diagram of a footboard in one embodiment of the utility model;

[0030] Figure 4 This is a structural schematic diagram of the left side plate in one embodiment of the utility model;

[0031] Figure 5 This is a schematic diagram of the structure of the cross-fixed beams in one embodiment of the utility model;

[0032] Figure 6 It is a structural schematic diagram of the left and right cross beams of the cross-intersecting fixed beam in one embodiment of the utility model;

[0033] Figure 7 It is a structural schematic diagram of the left and right cross beams of the cross-intersecting fixed beam in one embodiment of the utility model from another perspective;

[0034] Figure 8 This is a schematic structural diagram of the middle leg of the cross-fixed beam in one embodiment of the utility model;

[0035] Fig. 9 This is a structural schematic diagram of a side plate connecting member in one embodiment of the utility model;

[0036] Fig.10 This is a schematic diagram of the structure of the upper angle code in one embodiment of the utility model;

[0037] Fig.11 Schematic diagram of the structure of the lower angle code in one embodiment of the utility model.

[0038] In the figure,

[0039] 1. Headboard; 101. Fourth fixing hole; 102. Seventeenth fixing hole; 103. Eighteenth fixing hole; 2. Footboard; 201. Eighth fixing hole; 3. Left sideboard; 301. Sub-sideboard; 3011. Fifteenth fixing hole; 302. Side support rod; 3021. Second fixing hole; 3022. Thirteenth fixing hole; 4. Right sideboard; 5. Cross-cross fixing beam; 501. Left and right beams; 5011. First mounting seat; 5012. First fixing hole; 5013. Fifth fixing hole; 5014. Seventh fixing hole; 5015. Tenth fixing hole; 502. Front beam; 5021 , second mounting seat; 5022, third fixing hole; 503, rear crossbeam; 5031, third mounting seat; 5032, sixth fixing hole; 504, middle leg; 5041, fourth mounting seat; 5042, ninth fixing hole; 6, side panel connector; 601, fifth mounting seat; 602, eleventh fixing hole; 603, twelfth fixing hole; 604, sixth mounting seat; 605, fourteenth fixing hole; 606, seventh mounting seat; 607, sixteenth fixing hole; 7, upper angle code; 701, nineteenth fixing hole; 8, lower angle code; 801, twentieth fixing hole; 802, twenty-first fixing hole. DETAILED DESCRIPTION

[0040] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. At the same time, it is stated that the embodiments described below are only used to explain the utility model and are not used to limit the utility model.

[0041] It should be noted that the terms "install", "set", "connect", "fix" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. The indicated orientation or position relationship is based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the application product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art, or the orientation or position relationship in which the application product is usually placed when in use. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0042] See also Figures 1 to 5 The present embodiment provides a segmented bed frame, including a headboard 1, a footboard 2, a left side board 3, a right side board 4, and a cross-fixed beam 5. The headboard 1, the footboard 2, the left side board 3 and the right side board 4 form a main body of the bed frame, and the cross-fixed beam 5 is fixed in the main body of the bed frame. Among them, the left side board 3 and the right side board 4 are both spliced ​​by two sections of sub-side boards 301, and the inner side of the upper end of the sub-side board 301 is provided with a side support rod 302 for supporting the bed board. The sub-side board 301 and the side support rod 302 are integrally formed by a blow molding / extrusion process. The two sections of the sub-side boards 301 of the left side board 3 and the right side board 4 are connected by a side board connector 6, and the two sections of the side support rods 302 of the left side board 3 are connected to the left end of the cross-fixed beam 5, and the two sections of the side support rods 302 of the right side board 4 are connected to the right end of the cross-fixed beam 5.

[0043] The segmented bed frame provided in this embodiment has a left side panel 3 and a right side panel 4 that are both in two sections and have a detachable connection design. Therefore, when packing and transporting, the entire bed frame body can be disassembled into two sections, thereby reducing the packaging size and reducing the transportation cost. By integrally forming the sub-side panel 301 and the side support rod 302 through a blow molding / extrusion process, not only the connection firmness is improved, but also the production difficulty is reduced, the structural design of the bed frame is broadened, and the design style is more diverse than that of wood. Moreover, it can be quickly made through a mold, thereby increasing production efficiency. By connecting the left end of the cross-fixing beam 5 to the two sections of the side support rod 302 of the left side panel 3, and the right end of the cross-fixing beam 5 to the two sections of the side support rod 302 of the right side panel 4, it can not only fix the cross-fixing beam 5, but also strengthen the connection firmness between the two sections of the left side panel 3 and the right side panel 4.

[0044] See also Figure 1In one embodiment, the top surface of the cross fixing beam 5 is flush with the top surface of the side support rod 302, so that the cross fixing beam 5 and the side support rod 302 can simultaneously support the bed board, making the bed board more stable.

[0045] In one embodiment, the headboard 1 and the footboard 2 are both made by blow molding / extrusion. The headboard 1 and the footboard 2 of this configuration reduce the difficulty of production, broaden the structural design of the bed frame, and have more diverse design styles than wood. They can also be quickly made by molds, which increases production efficiency.

[0046] In some specific embodiments, the headboard 1 is a PVC headboard, the footboard 2 is a PVC footboard, the left side board 3 is a PCV wood-plastic left side board, and the right side board 4 is a PCV wood-plastic right side board.

[0047] See also Figure 5 In one embodiment, the cross-fixed beam 5 includes left and right beams 501, a front beam 502 and a rear beam 503, and the front beam 502 and the rear beam 503 are respectively vertically arranged at the middle of the front and rear sides of the left and right beams 501. The left and right ends of the left and right beams 501 are provided with first mounting seats 5011, and the left and right beams 501 are respectively connected to the two sections of the side support rods 302 of the left side board 3 through the first mounting seats 5011 at the left end, and the left and right beams 501 are respectively connected to the two sections of the side support rods 302 of the right side board 4 through the first mounting seats 5011 at the right end. The front and rear ends of the front beam 502 are provided with second mounting seats 5021, and the front beam 502 is respectively connected to the headboard 1 and the left and right beams 501 through the second mounting seats 5021 at the front and rear ends. The rear cross beam 503 is provided with a third mounting seat 5031 at both the front and rear ends, and the rear cross beam 503 is connected to the left and right cross beams 501 and the footboard 2 respectively through the third mounting seats 5031 at the front and rear ends. The cross-shaped fixing beam 5 provided above enables various parts of the bed frame body to be quickly connected or disassembled with the cross beam through the mounting seats, which not only facilitates the assembly and disassembly of the bed frame body, but also facilitates packaging and transportation; in addition, it also makes the connection between the left side board 3 and the right side board 4 more firm, increasing the overall strength and stability of the bed frame body.

[0048] See also Figures 2 to 7 Specifically, both front and rear ends of the first mounting seat 5011 are provided with first fixing holes 5012, and the side support rod 302 is provided with second fixing holes 3021 that match the first fixing holes 5012. The first fixing holes 5012 on the first mounting seat 5011 and the second fixing holes 3021 on the side support rod 302 are used with screws to fix the left and right ends of the left and right cross beams 501 to the two sections of the side support rods 302 of the left side plate 3 and the right side plate 4, respectively.

[0049] The left and right ends of the second mounting seat 5021 are provided with third fixing holes 5022, the inner side of the headboard 1 is provided with fourth fixing holes 101 matched with the third fixing holes 5022, and the front sides of the left and right cross beams 501 are provided with fifth fixing holes 5013 matched with the third fixing holes 5022. The third fixing holes 5022 on the second mounting seat 5021 and the fourth fixing holes 101 on the headboard 1 are matched with screws to fix the front end of the front cross beam 502 and the headboard 1 together; the third fixing holes 5022 on the second mounting seat 5021 and the fifth fixing holes 5013 on the left and right cross beams 501 are matched with screws to fix the rear end of the front cross beam 502 and the left and right cross beams 501 together.

[0050] The left and right ends of the third mounting seat 5031 are provided with sixth fixing holes 5032, the rear sides of the left and right cross beams 501 are provided with seventh fixing holes 5014 that match the sixth fixing holes 5032, and the front side of the foot board 2 is provided with an eighth fixing hole 201 that matches the sixth fixing hole 5032. The sixth fixing holes 5032 on the third mounting seat 5031 and the seventh fixing holes 5014 on the left and right cross beams 501 are used in conjunction with screws to fix the front end of the rear cross beam 503 and the left and right cross beams 501 together; the sixth fixing holes 5032 on the third mounting seat 5031 and the eighth fixing holes 201 on the foot board 2 are used in conjunction with screws to fix the rear end of the rear cross beam 503 and the foot board 2 together.

[0051] See also Figure 5 , Figure 7 , Figure 8 In one embodiment, the cross-fixed beam 5 further includes a middle leg 504 disposed in the middle of the bottom of the left and right beams 501. The middle leg 504 can increase the overall stability of the bed frame body, making it more able to withstand external pressure or impact. A fourth mounting seat 5041 is disposed on the top of the middle leg 504, and a ninth fixing hole 5042 is provided at both the left and right ends of the fourth mounting seat 5041. A tenth fixing hole 5015 matching the ninth fixing hole 5042 is provided at the bottom of the left and right beams 501. The ninth fixing hole 5042 on the fourth mounting seat 5041 and the tenth fixing hole 5015 on the left and right beams 501 are matched with screws to fix the middle leg 504 in the middle of the bottom of the left and right beams 501.

[0052] See also Figure 4 , Fig. 9In one embodiment, the upper end of the side plate connecting member 6 is provided with a fifth mounting seat 601, and the front and rear ends of the fifth mounting seat 601 are provided with an eleventh fixing hole 602 and a twelfth fixing hole 603 matched with the second fixing hole 3021, and the side support rod 302 is provided with a thirteenth fixing hole 3022 matched with the eleventh fixing hole 602. The eleventh fixing hole 602 on the fifth mounting seat 601 and the thirteenth fixing hole 3022 on the side support rod 302 are matched with screws to fix the upper end of the side plate connecting member 6 with the two sections of the side support rod 302 of the left side plate 3 and the right side plate 4 together; the twelfth fixing hole 603 on the fifth mounting seat 601, the second fixing hole 3021 on the side support rod 302 and the first fixing hole 5012 on the first mounting seat 5011 are matched with screws to fix the side plate connecting member 6, the side support rod 302 and the left and right cross beams 501 together, further strengthening the connection firmness between the two sections of the left side plate 3 and the right side plate 4.

[0053] The lower end of the side panel connector 6 is provided with a sixth mounting seat 604, and the front and rear ends of the sixth mounting seat 604 are provided with a fourteenth fixing hole 605, and the sub-side panel 301 is provided with a fifteenth fixing hole 3011 that matches the fourteenth fixing hole 605. The fourteenth fixing hole 605 on the sixth mounting seat 604 and the fifteenth fixing hole 3011 on the sub-side panel 301 are matched with screws to fix the lower end of the side panel connector 6 to the two sections of the sub-side panels 301 of the left panel 3 and the right panel 4 together.

[0054] The bottom of the side plate connector 6 is provided with a seventh mounting seat 606, and the sixth mounting seat 604 is provided with a sixteenth fixing hole 607 for connecting the leg. Through the cooperation of the screw and the sixteenth fixing hole 607, the leg can be quickly installed on the side plate connector 6 without complicated operation tools or steps. At the same time, if the leg needs to be replaced or removed, it can also be easily achieved by unscrewing the screw, which is convenient and quick.

[0055] See also Figure 1 , Figure 2 , Fig.10 , Fig.11 In one embodiment, the tops of the left and right ends of the headboard 1 are connected to the front tops of the left and right sides of the left and right sides of the right side panels 4 through upper corner brackets 7, the bottoms of the left and right ends of the headboard 1 are connected to the front bottoms of the left and right sides of the right side panels 4 through lower corner brackets 8, the tops of the left and right ends of the footboard 2 are connected to the rear tops of the left and right sides of the left and right sides of the right side panels 4 through upper corner brackets 7, and the bottoms of the left and right ends of the footboard 2 are connected to the rear bottoms of the left and right sides of the left and right sides of the right and left ...

[0056] Specifically, the upper parts of both ends of the headboard 1, the footboard 2, the left side board 3 and the right side board 4 are provided with a number of seventeenth fixing holes 102, the lower parts of both ends of the headboard 1, the footboard 2, the left side board 3 and the right side board 4 are provided with a number of eighteenth fixing holes 103, the two right-angled sides of the upper corner bracket 7 are provided with a number of nineteenth fixing holes 701 that match the seventeenth fixing holes 102, the two right-angled sides of the lower corner bracket 8 are provided with a number of twentieth fixing holes 801 that match the eighteenth fixing holes 103, and the bottom plate of the lower corner bracket 8 is provided with a twenty-first fixing hole 802 for connecting the legs. The nineteenth fixing hole 701 on the upper corner bracket 7 is matched with the seventeenth fixing hole 102 on the headboard 1, the footboard 2, the left side board 3 and the right side board 4 by screws, so that the upper corner bracket 7 can be quickly fixed to the headboard 1, the footboard 2, the left side board 3 and the right side board 4. The 20th fixing hole 801 on the lower corner bracket 8 cooperates with the 18th fixing hole 103 on the headboard 1, footboard 2, left side board 3 and right side board 4 with screws, so that the lower corner bracket 8 can be quickly fixed to the headboard 1, footboard 2, left side board 3 and right side board 4. Through the cooperation of the screws with the 21st fixing hole 802, the support leg can be quickly installed on the lower corner bracket 8 without complicated operation tools or steps. At the same time, if the support leg needs to be replaced or removed, it can also be easily achieved by unscrewing the screws, which is convenient and quick.

[0057] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

[0058] The above is an exemplary description of the utility model patent in conjunction with the accompanying drawings. It is obvious that the implementation of the utility model patent is not limited to the above-mentioned method. As long as various improvements are made by adopting the method concept and technical solution of the utility model patent, or the concept and technical solution of the utility model patent are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A sectional bed frame, comprising a headboard, a footboard, a left side board, a right side board, and a cross fixing beam, wherein the headboard, the footboard, the left side board, and the right side board form a bed frame body, and the cross fixing beam is fixed in the bed frame body, characterized in that: The left side panel and the right side panel are both formed by splicing two sections of sub-side panels, and a side support rod for supporting the bed board is arranged on the inner side of the upper end of the sub-side panel, and the sub-side panel and the side support rod are integrally formed through a blow molding / extrusion process, and the two sections of sub-side panels of the left side panel and the right side panel are connected by side panel connectors, and the two sections of side support rods of the left side panel are connected to the left end of the cross-fixed beam, and the two sections of side support rods of the right side panel are connected to the right end of the cross-fixed beam.

2. The sectional bed frame according to claim 1, characterized in that: The top surface of the cross fixing beam is flush with the top surface of the side support rod.

3. The sectional bed frame according to claim 1, characterized in that: The headboard and the footboard are both made by blow molding / extrusion molding process.

4. The sectional bed frame according to claim 1, characterized in that: The cross-fixed beam comprises left and right cross beams, a front cross beam and a rear cross beam, the front cross beam and the rear cross beam are respectively vertically arranged at the middle parts of the front and rear sides of the left and right cross beams, and first mounting seats are respectively arranged at the left and right ends of the left and right cross beams, and the left and right cross beams are respectively connected to the two sections of side support rods of the left side plate through the first mounting seats at the left ends thereof, and the left and right cross beams are respectively connected to the two sections of side support rods of the right side plate through the first mounting seats at the right ends thereof, and second mounting seats are respectively arranged at the front and rear ends of the front cross beam, and the front cross beam is respectively connected to the headboard and the left and right cross beams through the second mounting seats at the front and rear ends thereof, and third mounting seats are respectively arranged at the front and rear ends of the rear cross beam, and the rear cross beam is respectively connected to the left and right cross beams and the footboard through the third mounting seats at the front and rear ends thereof.

5. The sectional bed frame according to claim 4, characterized in that: The first mounting seat is provided with first fixing holes at both the front and rear ends, and the side support rod is provided with second fixing holes matching with the first fixing holes; The left and right ends of the second mounting seat are each provided with a third fixing hole, the inner side of the headboard is provided with a fourth fixing hole matched with the third fixing hole, and the front sides of the left and right cross beams are provided with a fifth fixing hole matched with the third fixing hole; The left and right ends of the third mounting seat are each provided with a sixth fixing hole, the rear sides of the left and right cross beams are provided with a seventh fixing hole that matches the sixth fixing hole, and the front side of the footboard is provided with an eighth fixing hole that matches the sixth fixing hole.

6. The sectional bed frame according to claim 4, characterized in that: The cross fixed beam also includes a middle foot arranged in the middle of the bottom of the left and right beams, a fourth mounting seat is arranged on the top of the middle foot, ninth fixing holes are arranged at both left and right ends of the fourth mounting seat, and a tenth fixing hole matching with the ninth fixing hole is arranged at the bottom of the left and right beams.

7. The sectional bed frame according to claim 5, characterized in that: A fifth mounting seat is provided at the upper end of the side plate connecting member, an eleventh fixing hole and a twelfth fixing hole matching with the second fixing hole are provided at both the front and rear ends of the fifth mounting seat, and a thirteenth fixing hole matching with the eleventh fixing hole is provided on the side support rod; A sixth mounting seat is provided at the lower end of the side plate connecting member, a fourteenth fixing hole is provided at both the front and rear ends of the sixth mounting seat, and a fifteenth fixing hole matching with the fourteenth fixing hole is provided on the sub-side plate; A seventh mounting seat is arranged at the bottom of the side plate connecting piece, and a sixteenth fixing hole for connecting the supporting leg is opened on the sixth mounting seat.

8. The sectional bed frame according to claim 1, characterized in that: The left and right ends of the headboard are respectively connected to the front ends of the left and right sides of the bed through angle brackets, and the left and right ends of the footboard are respectively connected to the rear ends of the left and right sides of the bed through angle brackets.

9. The sectional bed frame according to claim 8, characterized in that: The top left and right ends of the headboard are connected to the front end tops of the left and right sides respectively through upper corner brackets, the bottom left and right ends of the headboard are connected to the front end bottoms of the left and right sides respectively through lower corner brackets, the top left and right ends of the footboard are connected to the rear end tops of the left and right sides respectively through upper corner brackets, and the bottom left and right ends of the footboard are connected to the rear end bottoms of the left and right sides respectively through lower corner brackets.

10. The sectional bed frame according to claim 9, characterized in that: A number of seventeenth fixing holes are provided at the upper parts of both ends of the headboard, the footboard, the left side board and the right side board, a number of eighteenth fixing holes are provided at the lower parts of both ends of the headboard, the footboard, the left side board and the right side board, a number of nineteenth fixing holes matching with the seventeenth fixing holes are provided on the two right-angled sides of the upper corner bracket, a number of twentieth fixing holes matching with the eighteenth fixing holes are provided on the two right-angled sides of the lower corner bracket, and a twenty-first fixing hole for connecting the supporting legs is provided on the bottom plate of the lower corner bracket.

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