CN215226229U - Spareribs bedstead - Google Patents

Abstract

The utility model discloses a spareribs bedstead, which comprises a bedstead body and supporting legs for supporting the bedstead body, wherein the bedstead body comprises a first rod group, and the first rod group comprises a transverse rod group and a longitudinal rod group matched with the transverse rod group; the longitudinal rod group and the transverse rod group are matched at the junction through the supporting legs to form a frame structure; the two ends of the second rod group are movably connected to the longitudinal rod group, and are matched with the frame structure to form a bearing plane, the first rod group and the second rod group are designed to be rotatable, so that the parts of the bedstead after being disassembled are conveniently transported while the bedstead has enough area, the installation time is greatly saved, the installation difficulty is reduced, and the strength of the whole bedstead is ensured and is also convenient to disassemble and assemble.

Description

Spareribs bedstead

[ technical field ] A method for producing a semiconductor device

The utility model relates to a bedstead field, in particular to spareribs bedstead.

[ background of the invention ]

With the pace of modern life being accelerated, people pay more and more attention to the convenience of life, so that more and more detachable or foldable articles for daily use, such as folding beds, folding chairs, folding tables and the like, are born, the occupied space is saved by the way of detachment or folding, and the multifunctional folding chair generally has the advantages of light weight, small volume, low price and the like, and provides better comfort for the life of people; for the bedstead that only can fold, the shared space of detachable bedstead is just littleer to at the in-process of transport, make things convenient for people's trip more, further improved the stability of structure simultaneously.

According to the chinese utility model document with publication number CN204091466U, a detachable folding bed frame is disclosed, which comprises side brackets, a connecting frame, side frames and a middle frame, wherein the side brackets are respectively arranged at two sides of the connecting frame in the width direction; the side support frame comprises a long support rod, side vertical pipes and a middle vertical pipe, wherein the long support rod is formed by pivoting two transverse pipes, the side vertical pipes are respectively arranged below two ends of the long support rod, the two side vertical pipes are respectively pivoted on the transverse pipes in a manner of folding up and down and folding up the transverse pipes, an inclined rod is respectively arranged on each of the two side vertical pipes, the lower end of each inclined rod is connected with the side vertical pipe, the upper end of each inclined rod is connected with the transverse pipe, and the middle vertical pipe is arranged below the pivoting position of the two transverse pipes; the connecting frame consists of a plurality of transverse connecting rods, the transverse connecting rods are arranged side by side at intervals along the length direction of the long support rod, one end of each transverse connecting rod is connected with the transverse pipe on one side of the transverse connecting rod, and the other end of each transverse connecting rod is connected with the transverse pipe on the opposite side; the two side vertical pipes which are positioned at opposite positions on two sides of the connecting frame are clamped with an edge frame, the two oppositely arranged middle vertical pipes are clamped with a middle frame, the transverse pipes are provided with fixing installation parts which are used for detachably clamping the end parts of the transverse connecting rods in an inner fixing manner at the positions connected with the transverse connecting rods, the lower ends of the inclined rods are movably hinged with the edge vertical pipes, the upper ends of the inclined rods are detachably connected with the transverse pipes, the middle frame is detachably connected with the two middle vertical pipes, and the edge frame is detachably connected with the two edge vertical pipes in a clamping manner.

Among the above-mentioned contrast file, constitute long branch through violently managing the pin joint, with the horizontal connecting rod along the length direction of long branch interval side by side setting up, wherein the horizontal connecting rod and violently being connected between the pipe realize through setting up fixed mounting spare, and in the in-service use process, because the quantity of horizontal connecting rod is many, make horizontal connecting rod and violently the installation between the pipe spend a large amount of time, it is very inconvenient to use, and the bedstead through limit riser and well riser and limit frame and well frame realization support, at the in-process of installation, the limit riser need realize the location through the down tube, the installation is complicated, and need a plurality of parts to install, if the exact condition of part then causes the bedstead stability degree to reduce easily in the installation, consequently, in order to reduce to equip the degree of difficulty and convenient transport, it is very necessary to design a rib bedstead.

[ Utility model ] content

To the installation of realizing between the transverse connecting rod and the violently pipe and the inconvenient technical problem of mode installation that adopts down tube location limit riser among the above-mentioned prior art through fixed mounting spare, the utility model aims at designing first pole group and second pole group for rotatable setting, when the bedstead installation, with first pole group and second pole group expand the shaping installation that the bedstead can be realized to the back cooperation supporting leg, reduced when the installation connecting procedure between each part of pole group inside, reduced the installation degree of difficulty.

In order to achieve the above object, the utility model provides a following technical scheme:

a spareribs bedstead comprises a bedstead body and supporting legs for supporting the bedstead body, wherein the bedstead body comprises a first rod group, and the first rod group comprises a transverse rod group and a longitudinal rod group matched with the transverse rod group; the longitudinal rod group and the transverse rod group are matched at the junction through the supporting legs to form a frame structure; the two ends of the second rod group are movably connected to the longitudinal rod group and are matched with the frame structure to form a bearing plane; wherein, the first rod group is arranged in a rotatable way; the two ends of the longitudinal rod group are matched with the supporting legs to be connected with the transverse rod group; the second rod group is rotatably arranged; two ends of the second rod group are connected with the longitudinal rod group, wherein at least one second rod group is detachably connected with the longitudinal rod group; through all designing first pole group and second pole group for rotatable setting, guaranteed the part transportation after the bedstead also conveniently dismantles when having sufficient area, also make originally when the installation need change two member into through the mode that the connecting piece links to each other with first pole group and second pole group expand and to carry out installation on next step, very big time of having saved the installation, the installation degree of difficulty has been reduced, in addition, the connected mode between with at least one second pole group and the first pole group has set up the connection of dismantling, also make things convenient for the dismouting when having guaranteed the intensity of whole bedstead.

Preferably, the first rod set comprises a first connector comprising a connection cavity; the end parts of the first connecting rods arranged in pairs are connected in parallel in the connecting cavity; the first connecting rod is rotatably arranged by taking a connecting point of the first connecting rod and the first connecting piece as a center; two head rods are connected through the first connecting piece, the first rod group is folded and unfolded through rotation, and the first rod group is convenient to carry during folding and the assembling difficulty of operators is reduced during installation.

Further, the bottom of the first connecting piece is connected with the supporting leg; the first connecting rod rotates in a range formed by the supporting legs and the first connecting pieces; the rotation range of the first connecting piece is limited through the first connecting rod and the supporting legs, the structural strength between the two first connecting rods and the first connecting piece is guaranteed when the installation is convenient, the bottom of the first connecting piece is connected with the supporting body, the installation complexity is further reduced, and better assembly experience is given to an operator.

Preferably, the second rod group comprises at least two second connecting rods, and the ends of the second connecting rods are stacked and rotatably connected; rotatable coupling through two second connecting rods has realized drawing in and unfolding of second pole group, has reduced the installation degree of difficulty of bedstead, has guaranteed simultaneously that two connecting rods install the structural strength on the bedstead after unfolding.

Further, the longitudinal bar group comprises at least one reinforcing bar group, and two ends of the reinforcing bar group are connected with the supporting legs for supporting the middle parts of the transverse bar groups and are used for supporting the second bar group; the purpose of arranging the reinforcing rod group and connecting the two ends of the reinforcing rod group to the supporting legs is to improve the structural strength of the whole bedstead, and the reinforcing rod group provides a supporting point for the second rod group, so that the end parts of the two second connecting pieces can be supported when the second rod group is unfolded, and the pressure born by the bedstead is enhanced.

Further, the second rod group is arranged along the longitudinal rod group at intervals in parallel and comprises at least one locking rod group; the middle part of the locking rod group is detachably connected with the reinforcing rod group, and the two ends of the locking rod group are detachably connected with the longitudinal rod group; the purpose of setting up the locking lever group is to ensure the stability of being connected between the first pole group of both sides and the second pole group, and in this technical scheme, the first pole group of both sides adopts the lapped mode to link to each other with the supporting leg, has made things convenient for the installation, simultaneously in order to guarantee the compactness of being connected between first pole group and the second pole group, links to each other the middle part of locking lever group with reinforcing bar group, and both ends can dismantle with first pole group and link to each other for the structural strength of bedstead is higher.

Furthermore, the locking rod group is provided with a plug connector which is correspondingly inserted into a slot on the reinforcing rod; the position of the locking rod group on the reinforcing rod group can be positioned by arranging the plug connectors, inward pulling force can be provided for the first rod groups on two sides, and the structural strength between the first rod group and the second rod group is improved.

Furthermore, a plurality of mounting pieces are arranged on the longitudinal rod group; the two ends of the second rod group are embedded in the mounting grooves of the mounting pieces and connected with the longitudinal rod group; the two ends of the locking rod group are embedded in the mounting grooves of the mounting pieces and are connected with the mounting pieces through threaded connection; the two ends of the locking rod group are in threaded connection with the installation pieces arranged on the longitudinal rod group, so that structural strength between the locking rod and the first rod group is guaranteed when the locking rod group provides pulling force for the first rod groups on the two sides, other second rod groups are arranged to be embedded in the installation pieces, and the installation difficulty of the second rod groups is reduced.

Furthermore, the two ends of the transverse rod group are detachably connected with the supporting legs through a connecting assembly; connect horizontal pole group and supporting leg through coupling assembling and also for the installation of longitudinal rod group provides the space when having guaranteed structural strength, because horizontal pole group and longitudinal rod group all connect on the supporting leg, consequently, horizontal pole group and longitudinal rod group transmit the power of bearing for supporting component to better guard action has been played first pole group, and first pole group can bear more pressure, has improved the bearing capacity of whole bedstead.

Preferably, the connecting assembly comprises a first connecting piece which is vertically connected with the longitudinal rod set; the second connecting piece is connected with the supporting leg; the first connecting piece and the second connecting piece are arranged on two sides of the transverse rod group in parallel, and the transverse rod group, the longitudinal rod group and the supporting legs are connected through threaded connection; the transverse rod group, the longitudinal rod group and the supporting legs are connected by adopting the two connecting pieces, so that the structural firmness of the whole bedstead is ensured while the disassembly and the assembly are convenient.

The technical effects brought by the technical scheme are as follows:

1. in this technical scheme, through designing first pole group and second pole group for rotatable setting for the bedstead is dismantling the back, draws in first pole group and second pole group in convenient transportation, simultaneously when the installation bedstead, just can be with bedstead erection moulding through the cooperation installation of first pole group and second pole group, need not adopt manual mode to remove the internals of connecting first pole group and second pole group, the required time of installation that has significantly reduced the degree of difficulty of installation simultaneously also reduced.

2. In this technical scheme, install the supporting leg at first connecting piece and link to each other the supporting leg with first pole group and second pole group through the connecting piece subassembly, guaranteed the pressure transmission that the bedstead received to the supporting leg on, improved the structural stability of whole bedstead.

3. In this solution, the first set of bars comprises at least one set of reinforcement bars, the two ends of the set of reinforcement bars being connected to the set of transverse bars, respectively, in order to ensure a higher structural stability of the frame structure formed by the set of transverse bars and the set of longitudinal bars.

4. In the technical scheme, the second rod group comprises at least one locking rod group, the purpose of the locking rod group is to ensure the connection tightness between the longitudinal rod groups on two sides and the other second rod groups, and the connection mode between the other second rod groups and the longitudinal rod groups is an embedded mode and has certain instability, so that in order to ensure the connection stability between the second rod groups and the longitudinal rod groups, the middle part of the locking rod group is connected with the reinforcing rod group, and the two ends of the locking rod group are connected with the longitudinal rod groups, so that inward pulling force is provided for the longitudinal rod groups, and the bed frame is ensured to have higher stability when stressed.

[ description of the drawings ]

FIG. 1 is a schematic view of the bed frame of the present invention;

FIG. 2 is a schematic view of a first set of rods of the present invention, wherein the first connecting rods are perpendicular to the support legs;

FIG. 3 is a schematic view of a first rod set of the present invention, wherein the first connecting rod is attached to the support leg;

FIG. 4 is a schematic view of a second rod set of the present invention, wherein two second connecting rods are linear;

fig. 5 is a schematic view of a second set of bars of the present invention, wherein two second connecting bars are in an overlapping position;

FIG. 6 is a schematic view of the connection between the locking bar set and the reinforcing bar set according to the present invention;

FIG. 7 is a partial schematic view of FIG. 1 at B;

fig. 8 is a schematic view of a first connecting member according to the present invention;

FIG. 9 is a partial schematic view of FIG. 1 at A;

FIG. 10 is a schematic view of the connection between the second connecting piece and the second support leg;

wherein, 1, a bed frame body; 2. supporting legs; 21. a first support leg; 22. a second support leg; 3. a first set of bars; 4. a second set of rods; 31. a transverse bar set; 32. a longitudinal bar set; 33. a reinforcing bar set; 331. a slot; 301. a first connecting member; 302. a first connecting rod; 3011. a connecting cavity; 3012. a notch; 41. a second connecting rod; 5. a lock lever group; 321. a mounting member; 3211. mounting grooves; 51. a plug-in unit; 6. a connecting assembly; 61. a first connecting piece; 62. a second connecting piece.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In real life, in order to save the shared space of folding bed further, make things convenient for the dismouting of folding bed, folding bed not only can fold, the detachable design has still appeared, part structure after the dismantlement also has been accompanied with the design and has been had further optimization, connection between the part when the dismouting is reduced through nimble connected mode, also convenient transportation when the purpose of realizing easy to assemble, consequently, to above-mentioned demand, design a rib bedstead, make the installation of bedstead more convenient simple very necessary.

As shown in figure 1, the bedstead comprises a bedstead body 1 and supporting legs 2, wherein the supporting legs 2 are arranged on the bedstead body 1, so that the bedstead body not only can play a supporting role, but also ensures that the structure of the bedstead body has higher strength; the bottom of the bedstead body 1 is provided with 9 supporting legs 2 which are distributed in a 3 x 3 matrix form, so that the bedstead body 1 can uniformly transmit pressure to the supporting legs 2 after being subjected to the pressure, the bedstead body 1 can bear larger pressure, and the stability of the integral structure of the bedstead is improved; wherein, the supporting leg 2 comprises a first supporting leg 21 arranged at the bottom of the first connecting piece 301 and a second supporting leg 22 arranged at the joint of the transverse rod group 31 and the longitudinal rod group 32; the bed frame body 1 comprises a first rod group 3 and a second rod group 4 which are rotatably arranged, the first rod group 3 comprises a transverse rod group 31 which is transversely arranged and a longitudinal rod group 32 which is longitudinally arranged, the number of the transverse rod group 31 and the number of the longitudinal rod group 32 are respectively set to be 2 and 3 as the optimal scheme, and the change of the number of the transverse rod group 31 or the longitudinal rod group 32 is within the protection scope of the invention; the 2 transverse bar sets 31 and the 2 longitudinal bar sets 32 which are oppositely arranged form a rectangular frame structure, and the length of the transverse bar set 31 is shorter than that of the longitudinal bar set 32 according to the shape of the human body, wherein the length of the transverse bar set 31 is set to be 1.6m, and the length of the longitudinal bar set 32 is set to be 2 m; the length of the transverse rod group 31 and the longitudinal rod group 32 is only one scheme of the invention, and the length of the transverse rod group 31 or the longitudinal rod group 32 is changed within the protection scope of the invention; in order to make the structure of the frame more stable, the middle longitudinal rod set 32 is used as the reinforcing rod set 33, and both ends of the reinforcing rod set are connected to the two transverse rod sets 31, because the longitudinal rod sets 32 on both sides are longer, the pressure which can be borne by the frame is increased by arranging the reinforcing rod set 33, and the reinforcing rod set 33 is arranged between the two transverse rod sets 31 for providing a supporting point for the second rod set 4 so as to ensure the structural strength of the whole frame.

As shown in fig. 2 and 9, the first rod group 3 comprises a first connecting member 301 and a first connecting rod 302, wherein the first connecting member 301 is configured as a "U" shaped structure, and comprises a connecting cavity 3011, two ends of 2 first connecting rods 302 are inserted in the connecting cavity 3011 side by side, and the first connecting rod 302 is connected to the first connecting member 301 by a rotatable connection manner, and a threaded connection or a hinged connection may be adopted, in the present invention, a riveted connection manner is adopted, which has higher structural strength, and the first connecting member 301 and the first connecting rod 302 are connected in a non-detachable manner, but by rotating the first connecting rod 302, the first connecting rod 302 can be rapidly unfolded or folded during installation, the connection steps for connecting the first connecting rod 302 and the first connecting member 301 are reduced, the installation difficulty is reduced, the installation efficiency is improved, and as shown in fig. 8, the bottom surface of the first connecting piece 301 is provided with two gaps 3012, the gap 3012 is provided for facilitating the folding of the first connecting rod 302, when the first rod group 3 is in the unfolded state, the end of the first connecting piece 301 exceeds the gap 3012 and extends into the connecting cavity 3011, so when the first connecting piece 301 rotates to be perpendicular to the supporting leg 2, the first connecting rod 302 cannot rotate continuously under the blocking of the bottom of the first connecting piece 301, and when the first rod group 3 is in the unfolded state, the two first connecting rods 302 are in a straight line, thereby ensuring that a bearing platform formed by matching the transverse rod group 31 and the longitudinal rod group 32 is in a horizontal plane, and facilitating the installation of the second rod group 4; as shown in fig. 2, the bottom of each first connecting member 301 is connected to the first supporting leg 21 by welding, which reduces the connecting steps between the first supporting leg 21 and the frame body 1, simplifies the installation procedure, reduces the installation difficulty, provides the installer with better installation experience, and further improves the structural strength between the first connecting member 302 and the first connecting member 301.

As shown in fig. 3, when the first rod set 3 is in the folded state, the two first connecting rods 302 are parallel and arranged at two sides of the first supporting leg 21 connected to the bottom of the first connecting member 301, so as to reduce the space occupied by the folded first rod set 3 and facilitate collection and transportation; due to the riveting between the first connecting rod 302 and the first connecting piece 301, in order to ensure that the first rod set 3 has a stable state when being folded, the first supporting leg 21 is connected to the bottom of the first connecting piece 301, so that the two first connecting pieces 301 can be tightly attached to the first supporting leg 21 when being folded, and are conveniently bundled together, so that all the first rod set 3, the second rod set 4 and the first supporting leg 21 can be collected together for transportation.

As shown in fig. 4, the second bar set 4 is rotatably disposed and includes at least two second connecting bars 41, the number of the second connecting bars 41 is set according to the number of the reinforcing bar sets 33, and the arrangement of the reinforcing bar sets 33 provides a supporting point at the connecting point between the second connecting bars 41 to ensure the structural stability of the second bar set 4 mounted on the first bar set 3; the utility model discloses in set up two second connecting rods 41, and adopt riveted mode to connect between the second connecting rod 41, through the rivet with the range upon range of back riveting of two second connecting rod 41's one end together, when second pole group 4 expandes, need 3 strong points of both ends point and riveting point to realize the support to second pole group 4, in order to guarantee the stability of first pole group 3 structure when expanding, consequently, connect the both ends of second pole group 4 on vertical pole group 32, and with the riveting point overlap joint of second pole group 4 on consolidating pole group 33, thereby second pole group 4 is when receiving pressure, the both ends of second connecting rod 41 all have the strong point, so can set up second pole group 4 into rotatable setting, the stability of being connected between second pole group 4 after expanding and the first pole group 3 has also been guaranteed in the time of making things convenient for second pole group 4 to draw in the back transportation in.

As shown in fig. 5, when the second rod set 4 is in the folded state, since the ends of the two second connecting rods 41 are riveted after being stacked, after one of the second connecting rods 41 rotates 180 °, the two second connecting rods 41 can be in the overlapped state, so that the second rod set 4 can be conveniently stored together, and only one of the second connecting rods 41 needs to rotate 180 ° during installation, thereby reducing the connection steps of the two second connecting rods 41, facilitating the installation of the bed frame, and improving the installation efficiency.

As shown in fig. 1, the second rod set 4 is arranged along the longitudinal rod set 32 at a parallel interval, and includes at least one locking rod set 5, in the present invention, two locking rod sets 5 are provided, and two locking rod sets 5 are arranged in the middle, the purpose of the locking rod set 5 is to ensure the connection tightness between the second rod set 4 and the longitudinal rod set 32; the two ends of the second rod group 4 are connected to the longitudinal rod group 32, wherein the locking rod group 5 is detachably connected, and the other second rod groups 4 are clamped; for convenience of connection, 10 mounting pieces 321 are arranged on one side of each of the two longitudinal rod groups 32 close to the inside of the bed frame body 1, mounting grooves 3211 are formed in the mounting pieces 321, the end portions of the second rod groups 4 are embedded in the mounting grooves 3211, so that connection between the second rod groups 4 and the longitudinal rod groups 32 can be realized, the mounting is very convenient, and meanwhile, the mounting efficiency is improved, and the structural strength between the second rod groups 4 and the longitudinal rod groups 32 is not high due to the embedded connection mode between the second rod groups 4 and the longitudinal rod groups 32, so that the structural strength between the second rod groups 4 and the longitudinal rod groups 32 is ensured by the locking rod groups 5; as shown in fig. 6, by providing the plug-in unit 51 on the locking rod group 5 and inserting the plug-in unit 51 into the slot 331 of the reinforcing rod group 33, the plug-in manner is adopted, which not only is easy to assemble and disassemble without increasing the installation difficulty, but also has a positioning effect on the locking rod group 5 to ensure the stability of the locking rod group 5; after setting a position locking rod group 5, link to each other through threaded connection between its both ends and the longitudinal rod group 32, adopt threaded connection's mode, easy dismounting structural strength is high simultaneously, and link to each other with the longitudinal rod group 32 through the both ends with locking rod group 5, longitudinal rod group 32 for both sides provides the pulling force, the structural strength between locking rod group 5 and longitudinal rod group 32 and second pole group 4 and longitudinal rod group 32 has been guaranteed, and set up other second pole group 4 to inlay and establish in installed part 321, the installation degree of difficulty that has reduced second pole group 4 has guaranteed the structural strength of whole bedstead simultaneously.

As shown in fig. 7, in order to ensure the structural strength between the transverse rod group 31 and the longitudinal rod group 32, a connecting assembly 6 is provided, the transverse rod group 31 and the second supporting leg 22 are detachably connected through the connecting assembly 6, and the transverse rod group 31, the longitudinal rod group 32 and the second supporting leg 22 are connected through the connecting assembly 6, so that the structural strength is ensured and the disassembly and the assembly are convenient; the connecting assembly 6 comprises a first connecting piece 61 and a second connecting piece 62, as shown in fig. 2, wherein the first connecting piece 61 is connected to the end of the longitudinal rod group 32 and is vertically connected with the longitudinal rod group 32 in a welding mode, the structural strength between the connecting pieces and the longitudinal rod group 32 is ensured through welding, and the mounting is more convenient; as shown in FIG. 10, the second connecting piece 62 is connected to the second support leg 22 by welding, which reduces the number of mounting steps and ensures the accuracy of mounting. The longitudinal rod group 32 and the transverse rod group 31 are in a vertical state by abutting the end parts of the longitudinal rod group 32 and the transverse rod group 31 against the second supporting leg 22, so that the first connecting piece 61 and the second connecting piece 62 are arranged on two sides of the transverse rod group 31 in parallel, the longitudinal rod group 32, the transverse rod group 31 and the second supporting leg 22 are connected together through bolts and nuts, meanwhile, in order to enable the connection of the connecting assembly to be more stable, the first connecting piece 61 abuts against the side surface of the second supporting leg 22 and is connected with the second connecting piece 62 through a bolt and nut connection mode, and therefore the formed bed frame is more stable and firm.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. A spareribs frame, comprising a frame body (1) and support legs (2) for supporting the frame body (1), characterized in that the frame body (1) comprises a first set of bars (3), the first set of bars (3) comprising a set of transverse bars (31) and a set of longitudinal bars (32) cooperating therewith; the longitudinal rod set (32) and the transverse rod set (31) are matched at the junction through the supporting leg (2) to form a frame structure; the two ends of the second rod group (4) are movably connected to the longitudinal rod group (32) and are matched with the frame structure to form a bearing plane; wherein the first rod group (3) is rotatably arranged; the two ends of the longitudinal rod group (32) are matched with the supporting legs (2) to be connected with the transverse rod group (31); the second rod group (4) is arranged in a rotatable manner; the two ends of the second rod group (4) are connected with the longitudinal rod group (32), and at least one second rod group (4) is detachably connected with the longitudinal rod group (32).

2. The bed base according to claim 1, wherein the first bar set (3) comprises a first connector (301), the first connector (301) comprising a connection cavity (3011); the end parts of the first connecting rods (302) arranged in pairs are connected in parallel in the connecting cavity (3011); the first connecting rod (302) is rotatably arranged by taking the connecting point of the first connecting rod (302) and the first connecting piece (301) as the center.

3. The bed base according to claim 2, wherein the bottom of the first connector (301) is connected to the support leg (2); the first connecting rod (302) rotates in a range formed by the supporting leg (2) and the first connecting piece (301).

4. The bed base according to claim 1 or 2 or 3, characterised in that the second set of bars (4) comprises at least two second connecting bars (41); the end parts of the second connecting rods (41) are arranged in a stacked mode and are rotatably connected.

5. The bed base according to claim 4, characterised in that the longitudinal bar set (32) comprises at least one reinforcing bar set (33), the reinforcing bar set (33) being connected at both ends to the support legs (2) for supporting the middle of the transverse bar set (31) and for supporting the second bar set (4).

6. The bed base according to claim 5, characterised in that said second set of bars (4) is juxtaposed spaced along said longitudinal set of bars (32) and comprises at least one set of locking bars (5); the middle part of the locking rod group (5) is movably connected with the reinforcing rod group (33), and the two ends of the locking rod group are detachably connected with the longitudinal rod group (32).

7. The bed base according to claim 6, characterised in that the locking bar set (5) is provided with plug connectors (51), said plug connectors (51) being correspondingly inserted in slots (331) of the reinforcing bar set (33).

8. The bed base according to claim 7, wherein the longitudinal bar set (32) is provided with a plurality of mounting members (321); two ends of the second rod group (4) are embedded in the mounting grooves (3211) of the mounting pieces (321) and connected with the longitudinal rod group (32); the two ends of the locking rod group (5) are embedded in the mounting grooves (3211) of the mounting piece (321) and connected with the mounting piece (321) through threaded connection.

9. The bed base according to claim 8, characterised in that the two ends of the set of transverse bars (31) are connected with the supporting legs (2) in a detachable connection by means of a connecting assembly (6).

10. The bed base according to claim 9, characterised in that the connecting assembly (6) comprises a first connecting piece (61) which is connected perpendicularly to the set of longitudinal bars; a second connecting piece (62) connected to the support leg; the first connecting piece (61) and the second connecting piece (62) are arranged on two sides of the transverse rod group (31) in parallel, and the transverse rod group (31), the longitudinal rod group (32) and the supporting leg (2) are connected through threaded connection.

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