Supporting frame for folding bed

Abstract

The utility model discloses a support frame for a folding bed, which comprises a cross rod, two ends of the cross rod are symmetrically and fixedly sleeved with connecting bases, the bottom ends of the two connecting bases are both provided with foldable support legs, the outer sides of the two connecting bases are both provided with integrated reinforcing seats, and the reinforcing seats are connected with the cross rod. Wherein one reinforcing seat is provided with a second supporting arm capable of being rotatably folded, the other reinforcing seat is provided with a crossed supporting arm capable of being folded and stored, and the crossed supporting arm is provided with a lock catch assembly capable of enabling the crossed supporting arm to be opened to be crossed or folded to be locked. A stable supporting effect can be realized by designing a crossed structure, a bed cloth supporting rod clamped by a first clamping hook part is more stably supported by matching with a designed reinforcing seat, folding storage can be quickly realized, locking after folding can be quickly completed through a locking component, and the crossed supporting arm is simply, conveniently and quickly unlocked during use.

Description

Technical Field

[0001] The utility model belongs to the technical field of bed support frames, and in particular relates to a support frame for a folding bed. Background Art

[0002] A folding bed is a foldable portable equipment commonly used in outdoor activities such as traveling and camping. It is widely used by more and more consumers for its flexible structure, convenient and fast operation process and comfortable user experience. The published patent CN202223163715.8 provides a support frame and a portable bed that are easy to store. By setting a support tube and a first lever, the first lever cooperates with the second support arm to hook the bed cloth. The first lever is rotated and locked with a locking mechanism to support the bed cloth and achieve stable support; the first lever is locked by using the locking rod to fall into the card slot to ensure the stability of the structure when locked; the second lever is set to facilitate unlocking the locking mechanism; the support stability of this structure is limited, so the utility model proposes a support frame for a folding bed. Utility Model Content

[0003] The purpose of the present invention is to provide a support frame for a folding bed to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a support frame for a folding bed, comprising a cross bar, wherein both ends of the cross bar are symmetrically fixedly sleeved with a connecting base, the bottom ends of the two connecting bases are provided with foldable supporting legs, and the outer sides of the two connecting bases are provided with an integrated reinforcement seat, one of the reinforcement seats is provided with a rotatable and foldable second support arm, and the other reinforcement seat is provided with a foldable and retractable cross support arm, and the cross support arm is provided with a locking assembly that allows the cross support arm to be opened, crossed, or folded and locked.

[0005] Preferably, the cross support arm includes a rotating rod rotatably connected to the reinforcement seat, a cross arm A fixedly sleeved on the rotating rod and hollowed out, and a cross arm B passing through the cross arm A, a pair of sliding protrusions being provided on the cross arm B, a pair of connecting grooves corresponding to the pair of sliding protrusions being provided on the cross arm A, the sliding protrusions can be slidably connected along the connecting grooves, and the cross arm B can be completely slid into the cross arm A for storage, a first hook portion is provided at the top end of the cross arm B, a support plate is provided at the bottom end of the cross arm B, the support plate is rotatably connected to the cross arm B by an axis, and one end of the support plate is rotatably connected to the connecting sleeve by an axis.

[0006] Preferably, the lock assembly comprises a sliding switch plate arranged at the bottom of the support plate, an upper locking block arranged at the end of the sliding switch plate, a lower locking block arranged at the end of the cross arm rod A, a pair of through type limiting sliding grooves opened at the top of the support plate, a through type mounting slot located between the pair of limiting sliding grooves, a plurality of anti-slip blocks arranged on the sliding switch plate, the sliding switch plate can be limited to slide along the limiting sliding groove through the anti-slip blocks, a mounting guide column A is arranged at one end of the mounting slot, a spring sleeve is sleeved on the mounting guide column A, a mounting guide column B is arranged on the sliding switch plate and extends into the mounting slot, the other end of the spring sleeve is sleeved on the mounting guide column B, and the upper locking block is located above the lower locking block when the cross arm rod A is completely rotated to adhere to the support plate.

[0007] Preferably, the second support arm comprises a second support arm rod rotatably arranged on the other reinforcing seat, the second support arm rod abuts against the reinforcing seat, and a second hook portion is arranged at the top of the second support arm rod.

[0008] Preferably, the outer side surfaces of the two reinforcing seats are inclined, and the inclined surfaces of the reinforcing seats are provided with open sleeves for clamping the connecting sleeve and the second support arm rod.

[0009] Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses the cross support arm that opens crossly, and stable supporting effect can be realized through the cross structure, the bed cloth support rod that the first hook portion clamps can be kept more stable support through the reinforcing seat, folding and storage can be realized quickly, the lock of the cross support arm after folding can be completed quickly through the lock assembly, and the cross support arm can be unlocked conveniently and quickly during use. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0011] Figure 2 It is the partial explosion structure schematic diagram of the cross support arm of the utility model;

[0012] Figure 3 It is the structure schematic diagram of the cross support arm assembly open state of the utility model;

[0013] Figure 4 It is the structure schematic diagram of the locking assembly of the cross support arm of the utility model;

[0014] Figure 5 It is the explosion schematic diagram of the lock assembly of the utility model;

[0015] In the figure: 1. Cross bar; 2. Connecting base; 3. Support leg; 4. Reinforcement seat; 5. Second support arm; 6. Second hook; 7. Cross arm A; 8. Cross arm B; 9. Support tray; 10. Sliding switch plate; 11. First hook; 12. Connecting sleeve; 13. Spring sleeve; 14. Connecting slide; 15. Sliding protrusion; 16. Anti-slip slider; 17. Upper locking block; 18. Lower locking block; 19. Rotating rod; 20. Limiting slide; 21. Mounting guide column A; 22. Mounting guide column B; 23. Mounting slot. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] Example 1

[0018] See also Figures 1 to 5, which is the first embodiment of the utility model, and this embodiment provides a technical solution: a support frame for a folding bed, comprising a cross bar 1, with connecting bases 2 symmetrically fixedly sleeved at both ends of the cross bar 1, and foldable supporting legs 3 provided at the bottom ends of the two connecting bases 2, and an integrated reinforcement seat 4 provided on the outer sides of the two connecting bases 2, one of the reinforcement seats 4 is provided with a rotatable and foldable second support arm, and the other reinforcement seat 4 is provided with a foldable and retractable cross support arm, and the cross support arm is provided with a locking assembly that can open and cross the cross support arm or fold and lock it. In this embodiment, preferably, the cross support arm includes a rotating rod 19 rotatably connected to the reinforcement seat 4, a cross arm A7 fixedly sleeved on the rotating rod 19 and hollowed out, and a cross arm B8 passing through the cross arm A7. A pair of sliding protrusions 15 are provided on the cross arm B8, and a pair of connecting grooves 14 corresponding to the pair of sliding protrusions 15 are provided on the cross arm A7. The sliding protrusions 15 can be slidably connected along the connecting grooves 14, and the cross arm B8 can be completely slid into the cross arm A7 for storage. A first hook portion 11 is provided at the top of the cross arm B8, and a support plate 9 is provided at the bottom end of the cross arm B8. The support plate 9 is rotatably connected to the cross arm B8 through an axis, and one end of the support plate 9 is rotatably connected to the connecting sleeve 12 through an axis. In this embodiment, preferably, the lock assembly includes a sliding switch plate 10 arranged at the bottom of the support tray 9, an upper locking block 17 arranged at the end of the sliding switch plate 10, a lower locking block 18 arranged at the end of the cross arm A7, a pair of through-type limiting slide grooves 20 opened on the support tray 9, and a through-type mounting groove 23 located between the pair of limiting slide grooves 20. A plurality of pairs of anti-slip sliders 16 are provided on the sliding switch plate 10, and the sliding switch plate 10 can slide along the limiting slide groove 20 through the anti-slip sliders 16. An internal end of the mounting groove 23 is provided with a mounting guide column A21, and a spring is provided on the mounting guide column A21. The spring sleeve 13 and the sliding switch plate 10 are provided with a mounting guide post B22, and the mounting guide post B22 extends into the mounting groove 23. The other end of the spring sleeve 13 is sleeved on the mounting guide post B22 and connected. When the cross arm A7 is fully rotated to fit on the support tray 9, the upper locking block 17 is located above the lower locking block 18, so that the folded and stored cross support arm is locked. When it is needed, the sliding switch plate 10 can be slid to remove the upper locking block 17 from the lower locking block 18, and the cross arm A7 and the support tray 9 can be opened. Then the cross arm A7 and the cross arm B8 can also be opened to form a cross shape. In this embodiment, preferably, the second support arm includes a second support arm 5 that is rotatably set on another reinforcement seat 4. The second support arm 5 is against the reinforcement seat 4. The top of the second support arm 5 is provided with a second hook portion 6 for clamping the bed cloth support rod.In this embodiment, preferably, the outer surfaces of the two reinforcing seats 4 are inclined, and an open clamping sleeve for engaging the connecting sleeve 12 and the second support arm 5 is provided on the inclined surface of the reinforcing seat 4, in order to ensure that the support frame remains stable after the structure is installed in place.

[0019] Although embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A support frame for a folding bed, comprising a crossbar (1), characterized in that: The two ends of the crossbar (1) are symmetrically fixedly sleeved with connecting bases (2), the bottom ends of the two connecting bases (2) are both provided with foldable support legs (3), and the outer sides of the two connecting bases (2) are both provided with integrated reinforcement seats (4), one of the reinforcement seats (4) is provided with a rotatable and foldable second support arm, and the other reinforcement seat (4) is provided with a foldable and retractable cross support arm, and the cross support arm is provided with a locking component that can open the cross support arm to cross or fold and lock it.

2. The support frame for a folding bed according to claim 1, characterized in that: The cross support arm comprises a rotating rod (19) rotatably connected to the reinforcing seat (4), a cross arm A (7) fixedly sleeved on the rotating rod (19) and in a hollow shape, and a cross arm B (8) passing through the cross arm A (7), a pair of sliding protrusions (15) being provided on the cross arm B (8), a pair of connecting grooves (14) corresponding to the pair of sliding protrusions (15) being provided on the cross arm A (7), the sliding protrusions (15) being slidably connected along the connecting grooves (14), and the cross arm B (8) being completely slidable into the cross arm A (7) for storage, a first hook portion (11) being provided at the top end of the cross arm B (8), a support plate (9) being provided at the bottom end of the cross arm B (8), the support plate (9) being rotatably connected to the cross arm B (8) through an axis, and one end of the support plate (9) being rotatably connected to the connecting sleeve (12) through an axis.

3. The support frame for a folding bed according to claim 2, characterized in that: The locking assembly comprises a sliding switch plate (10) arranged at the bottom of the supporting plate (9), an upper locking block (17) arranged at the end of the sliding switch plate (10), a lower locking block (18) arranged at the end of the cross arm A (7), a pair of through-type limiting slide grooves (20) provided on the supporting plate (9), and a through-type mounting groove (23) located between the pair of limiting slide grooves (20). The sliding switch plate (10) is provided with a plurality of pairs of anti-slipping sliders (16). The sliding switch plate (10) can be moved along the limiting slide grooves by the anti-slipping sliders (16). (20) limited sliding, an inner end of the mounting groove (23) is provided with a mounting guide column A (21), a spring sleeve (13) is sleeved on the mounting guide column A (21), a mounting guide column B (22) is provided on the sliding switch plate (10), and the mounting guide column B (22) extends into the mounting groove (23), and the other end of the spring sleeve (13) is sleeved on the mounting guide column B (22) for connection, and when the cross arm A (7) is fully rotated to fit on the support plate (9), the upper locking block (17) is located above the lower locking block (18).

4. The support frame for a folding bed according to claim 1, characterized in that: The second support arm comprises a second support arm rod (5) rotatably arranged on another reinforcement seat (4), the second support arm rod (5) abuts against the reinforcement seat (4), and a second hook portion (6) is provided on the top of the second support arm rod (5).

5. The support frame for a folding bed according to claim 4, characterized in that: The outer surfaces of the two reinforcing seats (4) are inclined, and an open clamping sleeve for clamping the connecting sleeve (12) and the second supporting arm (5) is provided on the inclined surface of the reinforcing seat (4).

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