Double spliced ​​bed frame

Abstract

The utility model discloses a double-person spliced ​​bed frame, comprising: a bed frame, comprising two cross bars, two longitudinal bars and four second connecting seats, the two cross bars and the two longitudinal bars are surrounded by the second connecting seats to form a rectangular frame, each cross bar is composed of two sections of cross bar units spliced ​​through a fifth connecting seat, and each longitudinal bar is composed of two sections of longitudinal bar units spliced ​​through a third connecting seat; a first intermediate bar, both ends of which are respectively fixedly connected to the fifth connecting seat, and the first intermediate bar is composed of two sections of first intermediate bar units spliced ​​through a sixth connecting seat; a plurality of support bars, which are arranged in parallel between the two longitudinal bars, the two ends of the support bars are respectively connected to the longitudinal bars through the first connecting seat, the support bars are composed of two sections of support bar units spliced ​​through a seventh connecting seat, and the seventh connecting seat is fixedly arranged on the first intermediate bar; seven first uprights, used to support the bed frame. In this solution, the rods of the bed frame are all composed of two-section splicing, and the splicing structure is simple and the splicing speed is fast.

Description

Technical Field

[0001] The utility model relates to the field of furniture, in particular to a double spliced ​​bed frame. Background Art

[0002] A bed is a piece of furniture placed in a bedroom for people to lie down. Generally speaking, a bed is large in size, heavy in weight, and occupies a large area. Therefore, the beds currently on the market are usually configured to be composed of wooden boards and / or iron frames and connecting parts. During transportation and handling, the various parts of the bed are transported and handled separately to save logistics space and facilitate handling. Finally, after the various parts of the bed are transported to the bedroom, they are assembled on site by the installers.

[0003] The patent application with publication number CN217234036U discloses a snap-on connection structure and a bed frame thereof. When assembling, the second card provided at one end of the second connecting member is inserted into the limiting groove of the first connecting member for limiting fixation, and then the second card provided at the other end of the second connecting member is inserted into the limiting groove of another first connecting member for limiting fixation, and finally the head frame and foot frame are installed to complete the assembly of the bed frame; however, the structures of the first card of the first connecting member and the second card of the second connecting member in this scheme are both relatively complex, and the assembly requirements are relatively high, which is not conducive to the on-site assembly of the bed frame. The patent application with publication number CN114711580A discloses a bed frame that is easy to assemble, and the various components can be quickly assembled and disassembled. However, the front support frame, the rear support frame and the ribs in this application are all relatively long, which are easy to bend during transportation, and are not easy to place and carry during installation. Utility Model Content

[0004] In order to solve the above-mentioned technical problems, the purpose of the utility model is to provide a double spliced ​​bed frame which is easy and quick to assemble and has a simple overall structure. The cross bars, longitudinal bars, support bars, first middle bars and second middle bars in the double spliced ​​bed frame are all constructed by two-section splicing, which is convenient for placement, transportation and installation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A double spliced ​​bed frame, comprising:

[0007] The bed frame comprises two horizontally arranged cross bars, two longitudinally arranged longitudinal bars and four second connecting seats, wherein the two horizontal bars and the two longitudinal bars are surrounded by the second connecting seats to form a rectangular frame, each horizontal bar is composed of two sections of horizontal bar units spliced ​​by a fifth connecting seat, and each longitudinal bar is composed of two sections of longitudinal bar units spliced ​​by a third connecting seat;

[0008] A first intermediate rod, both ends of which are fixedly connected to the fifth connecting seat respectively, and the first intermediate rod is composed of two sections of first intermediate rod units spliced ​​together through a sixth connecting seat;

[0009] A plurality of support rods, which are arranged between the two longitudinal rods, and the two ends of the support rods are respectively connected to the longitudinal rods through a first connecting seat, and the support rods are composed of two sections of support rod units spliced ​​together through a seventh connecting seat, and the seventh connecting seat is fixedly arranged on the first intermediate rod;

[0010] The seven first upright posts are used to support the bed frame and are respectively fixedly connected to the four second connecting seats, the two third connecting seats and the sixth connecting seat.

[0011] Preferably, the first connection seat is fixedly mounted on the inner side wall of the longitudinal rod, and the first connection seat has a first U-shaped socket with an opening facing upward, and a guiding inclined surface is provided at the first U-shaped socket. In this way, it plays a guiding role in inserting the two ends of the support rod into the first U-shaped socket of the first connection seat, and the support rod and the first connection seat cooperate more smoothly, preventing interference between the two during the connection process, thereby affecting the assembly efficiency.

[0012] Preferably, the second connection seat has a second U-shaped socket with an opening facing upward, and the two ends of the crossbar are respectively inserted into the second U-shaped socket of the corresponding second connection seat and fixedly connected by fasteners. The two ends of the longitudinal rod are respectively installed with a fixing plate, and the two ends of the longitudinal rod are respectively against the side walls of the corresponding second connection seat, and the crossbar, the second connection seat and the fixing plate of the longitudinal rod are fixedly connected by fasteners. In this way, the longitudinal rod and the crossbar are assembled by setting a second connection seat with a second U-shaped socket, and the second U-shaped socket can stably support the crossbar to prevent the crossbar from shaking. By setting a fixing plate in the longitudinal rod, the crossbar, the second connection seat and the longitudinal rod can be fixedly connected by fasteners, and the assembly is stable.

[0013] Preferably, the third connecting seat has a third U-shaped socket opening upward, and the two longitudinal rod units of each longitudinal rod are inserted into the third U-shaped socket of the third connecting seat, and the two longitudinal rod units are respectively fixed to the third connecting seat by fasteners; in each longitudinal rod, one end of the two longitudinal rod units for connecting to the third connecting seat is provided with an oblique angle. In this way, the third connecting seat with the third U-shaped socket is provided to stably support the two longitudinal rod units located on the same longitudinal rod, and by providing the oblique angle, interference can be prevented when the two longitudinal rod units are inserted into the third connecting seat.

[0014] As a preference, it further includes a second intermediate rod, a fourth connecting seat is provided on the inner side wall of the third connecting seat, the fourth connecting seat has a fourth U-shaped socket opening upward, and the two ends of the second intermediate rod are respectively supported and arranged in the fourth U-shaped socket of the corresponding fourth connecting seat; the second intermediate rod is formed by plugging the second intermediate pipe section a and the second intermediate pipe section b, and the connection between the second intermediate pipe section a and the second intermediate pipe section b is fixedly connected to a first intermediate rod unit or the sixth connecting seat through a fastener. The middle position of the two longitudinal rods is strengthened by setting the second intermediate rod; the second intermediate rod and the longitudinal rod are assembled by setting the fourth connecting seat with the fourth U-shaped socket, and the fourth U-shaped socket can stably support the two ends of the second intermediate rod to prevent the two ends of the second intermediate rod from shaking.

[0015] Preferably, a positioning hole is formed on the bottom surface of the fourth connecting seat, and a positioning rod is respectively provided at both ends of the middle rod. When both ends of the middle rod are inserted into the fourth U-shaped socket, the positioning rod of the middle rod is inserted into the positioning hole of the fourth connecting seat; the positioning hole is a waist-shaped hole. In this way, the middle rod can better hold the two longitudinal rods, thereby ensuring that the distance between the two longitudinal rods remains unchanged, improving the strength of the bed frame, and preventing the bed frame from shaking. By providing the waist-shaped hole, it is prevented that the positioning rod cannot be accurately inserted into the positioning hole due to a small deformation of the second middle rod during the assembly process.

[0016] Preferably, the sixth connecting seat has a sixth U-shaped socket opening upward, and the two sections of the first intermediate rod units of each first intermediate rod are inserted into the sixth U-shaped socket of the sixth connecting seat, and the two sections of the first intermediate rod units are respectively fixed to the sixth connecting seat by fasteners.

[0017] Preferably, the seventh connecting seat has a seventh U-shaped socket opening upward, and the two-section support rod unit of each support rod is inserted into the seventh U-shaped socket of the seventh connecting seat; the seventh connecting seat is also provided with a partition for separating the two-section support rod unit, and the partition is formed by bending the side wall portion of the seventh connecting seat.

[0018] Preferably, four eighth connecting seats are included, each of which has an eighth U-shaped socket opening upward, and one end of each cross bar unit away from the longitudinal bar is inserted into the eighth U-shaped socket of the eighth connecting seat and fixedly connected to the eighth connecting seat by fasteners; in each cross bar, two eighth connecting seats are fixedly connected to the fifth connecting seat.

[0019] Preferably, it further includes four vertically arranged second columns, the upper ends of the four second columns are respectively fixedly connected to the four eighth connecting seats, the second columns are provided with through holes for passing fasteners, and the through holes are waist-shaped holes; the two second columns are fixedly connected by arranging fasteners in the through holes of the two second columns located on the same cross bar.

[0020] The utility model has beneficial effects due to the adoption of the above technical scheme: in the utility model, the horizontal rod, the longitudinal rod, the support rod, the first middle rod and the second middle rod in the double spliced ​​bed frame are all composed of two-section splicing, the splicing structure is simple and the splicing speed is fast, and the rods are not easy to bend during transportation, which is convenient for placement, transportation and installation, and the middle part of the support rod is fixed on the first middle rod through the seventh connecting seat, and the middle part of the support rod is supported by the first middle rod and is not easy to bend, and has a longer service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is an exploded diagram of the connection structure between the support rod and the longitudinal rod;

[0023] Figure 3 It is an exploded diagram of the connection structure between the longitudinal bar and the cross bar;

[0024] Figure 4 It is an exploded diagram of the connection structure between the longitudinal rod and the intermediate rod;

[0025] Figure 5 It is an exploded view of the connection structure between the first intermediate rod and the two-segment support rod unit;

[0026] Figure 6 It is an exploded view of the connection structure of the two crossbar units, the second column and the first intermediate rod;

[0027] Figure 7 is a schematic diagram of the connection structure between two sections of the first intermediate rod unit and the first column;

[0028] Figure 8 It is a schematic diagram of the connection structure of two sections of first intermediate rod units, two sections of second intermediate rod units and a first column.

[0029] Reference numerals:

[0030] 1. crossbar; 11. crossbar unit; 12. baffle;

[0031] 2. longitudinal rod; 21. longitudinal rod unit; 22. fixing plate;

[0032] 3. First connecting seat; 31. First U-shaped socket; 311. Guide slope;

[0033] 4. Support rod; 41. Support rod unit;

[0034] 5. Second connection socket; 51. Second U-shaped socket;

[0035] 6. The first pillar;

[0036] 7. Third connection socket; 71. Third U-shaped socket;

[0037] 8. Fourth connecting socket; 81. Fourth U-shaped socket; 82. Positioning hole;

[0038] 9. second intermediate rod; 91. second intermediate pipe section a; 92. second intermediate pipe section b; 93. positioning rod;

[0039] 10. a first intermediate rod; 101. a first intermediate rod unit;

[0040] 20. Fifth connecting seat;

[0041] 30. Sixth connecting socket; 301. Sixth U-shaped socket;

[0042] 40. seventh connection socket; 401. seventh U-shaped socket; 402. spacer;

[0043] 50. Eighth connection socket; 501. Eighth U-shaped socket;

[0044] 60. Second column; 601. Through hole. DETAILED DESCRIPTION

[0045] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0046] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 should not be understood as a limitation on the present invention.

[0047] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more, unless otherwise clearly defined.

[0048] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "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 integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0050] like Figures 1 to 8 The double bed frame shown in the figure comprises: a bed frame, comprising two horizontal parallel cross bars 1, two longitudinal parallel longitudinal bars 2 and four second connecting seats 5, the two horizontal cross bars 1 and the two longitudinal bars 2 are surrounded by the second connecting seats 5 to form a rectangular frame, each horizontal bar 1 is composed of two sections of horizontal bar units 11 spliced ​​together through the fifth connecting seat 20, and each longitudinal bar 2 is composed of two sections of longitudinal bar units 21 spliced ​​together through the third connecting seat 7; a first intermediate bar 10, both ends of which are fixedly connected to the fifth connecting seat 20, and the first intermediate bar 10 is composed of Two sections of the first intermediate rod unit 101 are spliced ​​together through the sixth connecting seat 30; multiple support rods 4 are arranged in parallel between the two longitudinal rods 2, and the two ends of the support rod 4 are respectively connected to the longitudinal rod 2 through the first connecting seat 3, and the support rod 4 is composed of two sections of support rod units 41 spliced ​​together through the seventh connecting seat 40, and the seventh connecting seat 40 is fixedly set on the first intermediate rod 10; seven first columns 6 are used to support the bed frame, and are respectively fixedly connected to four second connecting seats 5, two third connecting seats 7 and the sixth connecting seat 30.

[0051] In this way, the crossbar 1, the longitudinal bar 2 and the first intermediate bar 10 are all constructed by two-section splicing. The bars are not easy to bend or deform during transportation, handling and installation. The overall splicing structure is simple and can be quickly spliced ​​on site to form a bed frame.

[0052] In order to reduce the weight of the bed frame and lower the cost of the bed frame, in the present invention, the cross bar 1, the longitudinal bar 2, the first intermediate bar 10 and the first column 6 are all square tubes.

[0053] like Figure 2 As shown, the first connection seat 3 is welded and fixedly installed on the inner side wall of the longitudinal rod 2, and the first connection seat 3 has a first U-shaped socket 31 opening upward, and a guiding inclined surface 311 is provided at the first U-shaped socket 31. Thus, the support rod 4 is guided and installed in the first U-shaped socket 31 of the first connection seat 3 more smoothly.

[0054] like Figure 3 As shown, the second connection seat 5 has a second U-shaped socket 51 with an opening facing upward, the two ends of the crossbar 1 are respectively inserted into the second U-shaped socket 51 of the corresponding second connection seat 5 and fixedly connected by fasteners, and the two ends of the longitudinal bar 2 are respectively installed with a fixing plate 22, and the two ends of the longitudinal bar 2 are respectively against the side walls of the corresponding second connection seat 5, and the crossbar 1, the second connection seat 5 and the fixing plate 22 of the longitudinal bar 2 are fixedly connected by fasteners. In this way, the second connection seat 5 with the second U-shaped socket 51 is provided to assemble the longitudinal bar 2 and the crossbar 1, and the second U-shaped socket 51 can stably support the crossbar 1 to prevent the crossbar 1 from shaking. By welding and fixing a fixing plate 22 in the longitudinal bar 2, the crossbar 1, the second connection seat 5 and the longitudinal bar 2 can be fixedly connected by fasteners, and the assembly is stable.

[0055] Since the longitudinal rod 2 is relatively long, the strength of the middle position of the longitudinal rod 2 is relatively low, and the third connecting seat 7 has a third U-shaped socket 71 with an opening upward, and the two longitudinal rod units 21 of each longitudinal rod 2 are inserted into the third U-shaped socket 71 of the third connecting seat 7, and the two longitudinal rod units 21 are respectively fixed to the third connecting seat 7 by fasteners. In this way, the middle position of the longitudinal rod 2 is stably supported by the third connecting seat 7 with the third U-shaped socket, thereby strengthening the middle position of the longitudinal rod 2. In order to prevent interference between the two longitudinal rod units 21 when they are inserted into the third connecting seat 7, one end of the two longitudinal rod units 21 in each longitudinal rod 2 for connecting to the third connecting seat 7 is provided with an angle.

[0056] like Figure 1 and Figure 4 As shown, it also includes a second intermediate rod 9, which is a square tube structure. A fourth connecting seat 8 is provided on the inner wall of the third connecting seat 7. The fourth connecting seat 8 has a fourth U-shaped socket 81 opening upward. The two ends of the second intermediate rod 9 are respectively supported and set in the fourth U-shaped socket 81 of the corresponding fourth connecting seat 8. The intermediate rod 9 and the longitudinal rod 2 are assembled by setting the fourth connecting seat 8 with the fourth U-shaped socket 81. The fourth U-shaped socket 81 can stably support the intermediate rod 9 to prevent the intermediate rod from shaking. Since the second intermediate rod 9 of the double bed is relatively long and inconvenient to transport, as shown in FIG. Figure 7 and Figure 8As shown, in the present invention, the second intermediate rod 9 is formed by plugging the second intermediate pipe section a91 and the second intermediate pipe section b92, and the connection between the second intermediate pipe section a91 and the second intermediate pipe section b92 is fixedly connected to a section of the first intermediate rod unit 101 or the sixth connecting seat 30 through a fastener. Specifically, a first mounting hole for mounting the fastener can be provided on the second intermediate pipe section a91, and a second mounting hole for mounting the fastener can be provided on the second intermediate pipe section b92. The second intermediate pipe section a91 is inserted into the second intermediate pipe section b92 so that the first mounting hole and the second mounting hole overlap, and the fastener can be installed to fix the second intermediate pipe section a91 and the second intermediate pipe section b92 together, and one of the first mounting hole and the second mounting hole is a waist-shaped hole.

[0057] like Figure 4 As shown, in order to make the middle rod 9 better hold the two longitudinal rods 2, a positioning hole 82 is opened on the bottom surface of the fourth connecting seat 8, and a positioning rod 93 is respectively provided at both ends of the middle rod 9. When the two ends of the middle rod 9 are inserted into the fourth U-shaped socket 81, the positioning rod 93 of the middle rod 9 is inserted into the positioning hole 82 of the fourth connecting seat 8, so that the distance between the two longitudinal rods 2 can be guaranteed to remain unchanged. In order to prevent the positioning rod 91 on the middle rod 9 from being slightly deformed and unable to be inserted into the positioning hole 82, the positioning hole 82 is a waist-shaped hole.

[0058] like Figure 8 As shown, the sixth connection seat 30 has a sixth U-shaped socket 301 with an opening upward, and the two sections of the first intermediate rod unit 101 of each first intermediate rod 10 are inserted into the sixth U-shaped socket 301 of the sixth connection seat 30, and the two sections of the first intermediate rod unit 101 are respectively fixed to the sixth connection seat 30 by fasteners. In this way, it can be ensured that the two sections of the first intermediate rod unit 101 can be stably supported in the sixth U-shaped socket 301 of the sixth connection seat 30. In the present utility model, there is a certain gap between the two sections of the first intermediate rod unit 101, and a screw hole is provided on the bottom surface of the sixth U-shaped socket 301, which is exposed through the gap between the two sections of the first intermediate rod unit 101. After the connection between the second intermediate pipe section a91 and the second intermediate pipe section b92 is fixed by the fastener, the fastener passes through the gap between the two sections of the first intermediate rod unit 101 and is fixed in the screw hole on the bottom surface of the sixth U-shaped socket 301, thereby fixing the second intermediate rod 9 to the sixth connection seat 30.

[0059] like Figure 5As shown, the seventh connection seat 40 has a seventh U-shaped socket 401 with an opening upward, and the two-section support rod units 41 of each support rod 4 are inserted into the seventh U-shaped socket 401 of the seventh connection seat 40; in this way, the two-section support rod units 41 can be stably supported in the seventh U-shaped socket 401 of the seventh connection seat 40. In order to prevent the two-section support rod units 41 from moving left and right, a spacer 402 for separating the two-section support rod units 41 is further provided in the seventh connection seat 40, and the spacer 402 is formed by bending the side wall portion of the seventh connection seat 40.

[0060] like Figure 6 As shown, four eighth connection seats 50 are also included, and the eighth connection seat 50 has an eighth U-shaped socket 501 opening upward. The end of each cross bar unit 11 away from the longitudinal bar 2 is inserted into the eighth U-shaped socket 501 of the eighth connection seat 50 and is fixedly connected to the eighth connection seat 50 through fasteners. In each cross bar 1, two eighth connection seats 50 are fixedly connected to the fifth connection seat 20. Figure 1 and Figure 6 As shown, it also includes four vertically arranged second columns 60, the upper ends of the four second columns 60 are respectively fixedly connected to the four eighth connecting seats 50, and the second columns 60 are provided with through holes 601 for inserting fasteners, and the through holes 601 are waist-shaped holes; fasteners are arranged in the through holes 601 of two second columns 60 located on the same crossbar 1, so as to fix and connect the two second columns 60. In this way, the eighth connecting seat 50 not only plays the role of stably supporting the crossbar unit 11, but also can connect the crossbar unit 11 and the second columns 60.

[0061] Generally speaking, the first connecting seat 3 is pre-welded and fixed on the longitudinal rod unit 21, the second connecting seat 5, the third connecting seat 7 and the sixth connecting seat 30 are respectively pre-welded and fixed on the corresponding first column 6, the seventh connecting seat 40 is pre-welded and fixed on the first intermediate rod unit 101, the fifth connecting seat 20 is pre-welded and fixed on the first intermediate rod unit 101, and the eighth connecting seat 50 is pre-welded and fixed on the second column 60.

[0062] All features described in the specification, the attached claims and the drawings, whether alone or in any combination thereof, are important features of the utility model. The specific features, structures, materials or characteristics described above may also be combined in a suitable manner in any one or more embodiments, implementations or examples. The technical solution recorded in the utility model also includes a technical solution formed by any one or more specific features, structures, materials or characteristics described above, alone or in combination.

[0063] Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model. Ordinary technicians in the field can change, modify, replace, modify, delete some features, add features or re-combine features to form a technical solution in the above embodiments without departing from the principles and purpose of the utility model within the scope of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the innovative principles of the utility model are still within the scope of the technical solution of the utility model.

Claims

1. A double spliced ​​bed frame, characterized in that: include: A bed frame, comprising two transversely arranged crossbars (1), two longitudinally arranged longitudinal bars (2) and four second connecting seats (5), wherein the two crossbars (1) and the two longitudinal bars (2) are surrounded by the second connecting seats (5) to form a rectangular frame, each crossbar (1) is composed of two crossbar units (11) spliced ​​together by a fifth connecting seat (20), and each longitudinal bar (2) is composed of two longitudinal bar units (21) spliced ​​together by a third connecting seat (7); A first intermediate rod (10), both ends of which are respectively fixedly connected to the fifth connecting seat (20), and the first intermediate rod (10) is composed of two sections of first intermediate rod units (101) spliced ​​together via a sixth connecting seat (30); A plurality of support rods (4) are arranged between two longitudinal rods (2), the two ends of the support rods (4) are respectively connected to the longitudinal rods (2) via a first connecting seat (3), the support rods (4) are composed of two sections of support rod units (41) spliced ​​together via a seventh connecting seat (40), and the seventh connecting seat (40) is fixedly arranged on the first intermediate rod (10); Seven first upright posts (6) are used to support the bed frame and are respectively fixedly connected to the four second connecting seats (5), the two third connecting seats (7) and the sixth connecting seat (30).

2. A double spliced ​​bed frame according to claim 1, characterized in that: The first connection seat (3) is fixedly mounted on the inner side wall of the longitudinal rod (2), and the first connection seat (3) is provided with a first U-shaped socket (31) opening upward, and a guiding inclined surface (311) is provided at the first U-shaped socket (31).

3. A double bed frame according to claim 1, characterized in that: The second connecting seat (5) is provided with a second U-shaped socket (51) opening upward, the two ends of the cross bar (1) are respectively inserted into the second U-shaped socket (51) of the corresponding second connecting seat (5) and are fixedly connected by fasteners, the two ends of the longitudinal bar (2) are respectively provided with a fixing plate (22), the two ends of the longitudinal bar (2) are respectively abutted against the side wall of the corresponding second connecting seat (5), and the cross bar (1), the second connecting seat (5) and the fixing plate (22) of the longitudinal bar (2) are fixedly connected by fasteners.

4. A double spliced ​​bed frame according to claim 1, characterized in that: The third connecting seat (7) is provided with a third U-shaped socket (71) opening upwards, and the two longitudinal rod units (21) of each longitudinal rod (2) are inserted into the third U-shaped socket (71) of the third connecting seat (7), and the two longitudinal rod units (21) are respectively fixed to the third connecting seat (7) by fasteners; in each longitudinal rod (2), one end of the two longitudinal rod units (21) for connecting to the third connecting seat (7) is provided with an oblique angle.

5. A double bed frame according to claim 4, characterized in that: It also comprises a second intermediate rod (9), a fourth connecting seat (8) is arranged on the inner side wall of the third connecting seat (7), the fourth connecting seat (8) has a fourth U-shaped socket (81) opening upward, and the two ends of the second intermediate rod (9) are respectively supported and arranged in the fourth U-shaped socket (81) of the corresponding fourth connecting seat (8); the second intermediate rod (9) is composed of a second intermediate pipe section a (91) and a second intermediate pipe section b (92) plugged together, and the connection between the second intermediate pipe section a (91) and the second intermediate pipe section b (92) is fixedly connected to a section of the first intermediate rod unit (101) or the sixth connecting seat (30) through a fastener.

6. A double spliced ​​bed frame according to claim 5, characterized in that: A positioning hole (82) is formed on the bottom surface of the fourth connecting seat (8), and a positioning rod (93) is respectively provided at both ends of the intermediate rod (9). When the two ends of the intermediate rod (9) are inserted into the fourth U-shaped socket (81), the positioning rod (93) of the intermediate rod (9) is inserted into the positioning hole (82) of the fourth connecting seat (8); the positioning hole (82) is a waist-shaped hole.

7. A double bed frame according to claim 1, characterized in that: The sixth connecting seat (30) is provided with a sixth U-shaped socket (301) opening upward, and the two sections of the first intermediate rod units (101) of each first intermediate rod (10) are inserted into the sixth U-shaped socket (301) of the sixth connecting seat (30), and the two sections of the first intermediate rod units (101) are respectively fixed to the sixth connecting seat (30) by fasteners.

8. The double spliced ​​bed frame according to claim 1, characterized in that: The seventh connecting seat (40) is provided with a seventh U-shaped socket (401) opening upward, and the two sections of the supporting rod units (41) of each supporting rod (4) are inserted into the seventh U-shaped socket (401) of the seventh connecting seat (40); the seventh connecting seat (40) is also provided with a partition (402) for separating the two sections of the supporting rod units (41), and the partition (402) is formed by bending a side wall portion of the seventh connecting seat (40).

9. The double spliced ​​bed frame according to claim 1, characterized in that: It also comprises four eighth connection seats (50), each of the eighth connection seats (50) having an eighth U-shaped socket (501) opening upward, and one end of each cross bar unit (11) away from the longitudinal bar (2) is inserted into the eighth U-shaped socket (501) of the eighth connection seat (50) and fixedly connected to the eighth connection seat (50) via a fastener; in each cross bar (1), two eighth connection seats (50) are fixedly connected to the fifth connection seat (20).

10. A double bed frame according to claim 9, characterized in that: It also comprises four vertically arranged second columns (60), the upper ends of the four second columns (60) are respectively fixedly connected to the four eighth connecting seats (50), the second columns (60) are provided with through holes (601) for inserting fasteners, and the through holes (601) are waist-shaped holes; the two second columns (60) are fixedly connected by arranging fasteners in the through holes (601) of the two second columns (60) located on the same cross bar (1).

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