Folding sofa bed frame
By adding support pads and limiting plates at the folding seams of the folding sofa frame, and using shaft connections and reinforcement structures, the problem of easy deformation and damage of the existing folding sofa frame is solved, achieving higher tolerance and longer service life.
Patent Information
- Application Number
- CN202421795948.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-27
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-27
AI Technical Summary
The existing folding sofa bed frame lacks support and reinforcement structure at the folding joints of the bed frame, resulting in easy deformation and damage and short service life.
A folding sofa bed frame is designed, and the supporting pad and limit panel are welded at the folding seams of the bed frame, and the rotary shaft is used to connect the bed frame No. 1 and No. 2 bed frames, adding square rectangular tubes and sleeves to enhance stability.
It effectively improves the bearing capacity of the folding joints of the bed frame, can withstand large vertical pressure and horizontal tension, extends service life, and facilitates folding and saves space.
Smart Images
Figure CN222982744U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of furniture articles, and particularly relates to a folding sofa bed frame. Background Art
[0002] A folding sofa bed is a multi-functional furniture that combines the functions of a sofa and a bed. It can be conveniently folded and unfolded when needed to adapt to different usage scenarios and space requirements. It usually adopts lightweight materials and a simple structural design, featuring flexibility and portability. A bed frame is provided at the bottom of the folding sofa bed to achieve a stable support effect.
[0003] In the existing folding sofa bed frame, there is no support and reinforcement structure at the folding seam of the bed frame, so that the folding seam of the bed frame cannot bear large vertical pressure and horizontal tension, is prone to deformation and damage, and has a short service life. Summary of the Utility Model
[0004] Aiming at the problems in the prior art, the utility model provides a folding sofa bed frame, which enables the folding seam of the bed frame to bear large vertical pressure and horizontal tension, is not prone to deformation and damage, and improves the service life.
[0005] The technical solution adopted by the utility model to solve its technical problems is a folding sofa bed frame, which includes a first bed frame and a second bed frame. The first bed frame and the second bed frame are connected by a rotating shaft. A support pad is welded at the lower end of the rotating shaft and on the first bed frame. A limiting plate is welded at one end of the bottom of the first bed frame and at the folding seam, and a fixing bolt is installed at one end of the limiting plate through a screw hole.
[0006] Rectangular tubes are welded at the corners at both ends of the first bed frame and the second bed frame. A sleeve block is sleeved in the rectangular tube, and an internal adjustment screw hole is opened at the bottom of the sleeve block. An adjustment bolt is screwed in the internal adjustment screw hole, and a support foot is connected to the bottom of the adjustment bolt through a mounting hole.
[0007] By adopting the above technical solution, the folding sofa bed frame enables the folding seam of the bed frame to bear large vertical pressure and horizontal tension, is not prone to deformation and damage, and improves the service life.
[0008] Specifically, connecting sleeves are welded at equal intervals on the inner sides of the first bed frame and the second bed frame, and a support rod is sleeved in the connecting sleeve. A locking bolt is installed at the top of the connecting sleeve through a screw hole.
[0009] By adopting the above technical solution, it is convenient to fix the support rod by using the connecting sleeve and the locking bolt, and the stability of the first bed frame and the second bed frame is improved.
[0010] Specifically, elastic cushion pads are bonded to both ends at the top of the first bed frame and the second bed frame, and the elastic cushion pads are specifically made of polyurethane material.
[0011] Specifically, a hook surface of a magic tape is bonded to the top of the elastic cushion pad.
[0012] By adopting the above technical solution, the hook surface of the magic tape on the top of the elastic cushion pad is convenient for directly adhering to the fluff surface of the magic tape at the bottom of the folding sofa, realizing the connection between the bed frame and the folding sofa.
[0013] Specifically, a docking screw hole is provided at the bottom of one end of the second bed frame and opposite to the fixing bolt.
[0014] The beneficial effects of the present utility model:
[0015] (1) For the folding sofa bed frame of the present utility model, when the supporting feet are placed unevenly on the ground, by rotating the adjusting bolt in the internal adjusting screw hole, it is convenient to stably support the supporting feet on the ground, facilitating the stable placement of the overall bed frame. By using the supporting cushion block and the limiting plate at the folding seam of the first bed frame and the second bed frame, the strength at the folding seam is improved.
[0016] (2) For the folding sofa bed frame of the present utility model, by screwing the fixing bolt into the corresponding docking screw hole, the fixing of the second bed frame and the limiting plate is realized, enabling the folding seam of the bed frame to withstand greater vertical pressure and horizontal tensile force, not being easily deformed or damaged, and improving the service life. Since the first bed frame and the second bed frame are connected by a rotating shaft, it is convenient to fold when not in use, saving the occupied space. Description of the Drawings
[0017] The following further illustrates the present utility model in conjunction with the drawings and embodiments.
[0018] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0019] Figure 2 It is a bottom view of the present utility model;
[0020] Figure 3 It is a schematic diagram of the structure of the docking screw hole of the present utility model;
[0021] Figure 4 For the present utility model Figure 2 Schematic diagram of the structure at A.
[0022] In the figure: 1. First bed frame; 2. Second bed frame; 3. Rotating shaft; 4. Connecting sleeve; 5. Locking bolt; 6. Hook surface of magic tape; 7. Elastic cushion plate; 8. Square and rectangular tube; 9. Adjusting bolt; 10. Support foot; 11. Docking screw hole; 12. Inner adjusting screw hole; 13. Sleeve block; 14. Support cushion block; 15. Limit plate; 16. Fixed bolt. Detailed implementation manner
[0023] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with the detailed implementation manner.
[0024] In order to fold the sofa bed frame so that the folding seam of the bed frame can bear a large vertical pressure and horizontal tensile force, is not easily deformed and damaged, and has an improved service life, as Figures 1-4 shown, a folding sofa bed frame described in the present utility model includes a first bed frame 1 and a second bed frame 2. The first bed frame 1 and the second bed frame 2 are connected by a rotating shaft 3. A support cushion block 14 is welded at the lower end of the rotating shaft 3 and on the first bed frame 1. A limit plate 15 is welded at one end of the bottom of the first bed frame 1 and at the folding seam. One end of the limit plate 15 is provided with a fixed bolt 16 through a screw hole;
[0025] Square and rectangular tubes 8 are welded at the two ends and corners of the first bed frame 1 and the second bed frame 2. A sleeve block 13 is sleeved in the square and rectangular tube 8, and an inner adjusting screw hole 12 is opened at the bottom of the sleeve block 13. An adjusting bolt 9 is screwed in the inner adjusting screw hole 12, and the bottom of the adjusting bolt 9 is connected with a support foot 10 through a mounting hole.
[0026] When in use, the folding sofa bed frame enables the folding seam of the bed frame to bear a large vertical pressure and horizontal tensile force, is not easily deformed and damaged, and has an improved service life.
[0027] Exemplarily, as Figure 1 shown, the present utility model further includes that support rods are sleeved in the connecting sleeves 4 which are welded at equal distances on the inner sides of the first bed frame 1 and the second bed frame 2, and a locking bolt 5 is installed at the top of the connecting sleeve 4 through a screw hole.
[0028] When in use, the connecting sleeve 4 and the locking bolt 5 are used to facilitate the fixing of the support rods, and the stability of the first bed frame 1 and the second bed frame 2 is improved.
[0029] Exemplarily, as Figure 1 shown, the present utility model further includes that elastic cushion plates 7 are bonded at both ends of the tops of the first bed frame 1 and the second bed frame 2, and the elastic cushion plates 7 are specifically made of polyurethane material.
[0030] When in use, it has high elasticity, good toughness, has a certain buffering effect, and is resistant to acid and alkali corrosion and durable.
[0031] Exemplarily, as Figure 1 shown, the present utility model further includes that a hook surface of a magic tape 6 is adhesively bonded to the top of the elastic cushion plate 7.
[0032] When in use, the hook surface of the magic tape 6 on the top of the elastic cushion plate 7 is used to directly adhere to the fluff surface of the magic tape at the bottom of the folding sofa, so as to realize the connection between the bed frame and the folding sofa.
[0033] Exemplarily, as Figure 3 、 4 shown, the present utility model further includes that a docking screw hole 11 is arranged at the bottom of one end of the second bed frame 2 and is opposite to the fixing bolt 16.
[0034] When in use, the fixing bolt 16 is screwed into the corresponding docking screw hole 11 to realize the fixation of the second bed frame 2 and the limiting plate 15.
[0035] When the present utility model is in use, the hook surface of the magic tape 6 on the top of the elastic cushion plate 7 is used to directly adhere to the fluff surface of the magic tape at the bottom of the folding sofa, so as to realize the connection between the bed frame and the folding sofa. The elastic cushion plate 7 is specifically made of polyurethane material, which has high elasticity, good toughness, certain buffering effect, and is resistant to acid and alkali corrosion, and is durable;
[0036] When the supporting feet 10 are placed unevenly on the ground, the adjusting bolt 9 is rotated in the internal adjusting screw hole 12, which is convenient to stably support the supporting feet 10 on the ground and facilitate the stable placement of the overall bed frame. The supporting cushion blocks 14 and the limiting plates 15 at the folding seam of the first bed frame 1 and the second bed frame 2 are used to improve the strength at the folding seam;
[0037] And the fixing bolt 16 is screwed into the corresponding docking screw hole 11 to realize the fixation of the second bed frame 2 and the limiting plate 15, so that the folding seam of the bed frame can bear greater vertical pressure and horizontal tension, is not easily deformed and damaged, and improves the service life. Since the first bed frame 1 and the second bed frame 2 are connected by a rotating shaft 3, it is convenient to fold when not in use, saving the occupied space.
[0038] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 construed as a limitation to the present utility model.
[0039] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installed", "set", "connected", "fixed", "swivelly connected", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection;
[0040] The above embodiments are only preferred embodiments of the present utility model and do not limit the protection scope of the present utility model accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present utility model shall be covered within the protection scope of the present utility model.
Claims
1. A folding sofa bed frame, characterized in that: The invention comprises a first bed frame (1) and a second bed frame (2), wherein the first bed frame (1) and the second bed frame (2) are connected via a rotating shaft (3), a supporting pad (14) is welded at the lower end of the rotating shaft (3) and located on the first bed frame (1), a limiting plate (15) is welded at one end of the bottom of the first bed frame (1) and located at the folding seam, and a fixing bolt (16) is installed at one end of the limiting plate (15) through a screw hole; A square tube (8) is welded at the corners of both ends of the first bed frame (1) and the second bed frame (2); a sleeve block (13) is sleeved inside the square tube (8); an inner adjustment screw hole (12) is provided at the bottom of the sleeve block (13); an adjustment bolt (9) is screwed into the inner adjustment screw hole (12); and a support foot (10) is connected to the bottom of the adjustment bolt (9) through a mounting hole.
2. A folding sofa bed frame according to claim 1, characterized in that: Connecting sleeves (4) are welded at equal distances on the inner sides of the first bed frame (1) and the second bed frame (2), and a support rod is sleeved inside the connecting sleeve (4). A locking bolt (5) is installed on the top of the connecting sleeve (4) through a screw hole.
3. The folding sofa bed frame according to claim 1, characterized in that: Both ends of the top of the No. 1 bed frame (1) and the No. 2 bed frame (2) are bonded with elastic pads (7), and the elastic pads (7) are specifically made of polyurethane material.
4. The folding sofa bed frame according to claim 3, characterized in that: The top of the elastic pad (7) is bonded with a Velcro hook surface (6).
5. The folding sofa bed frame according to claim 1, characterized in that: A docking screw hole (11) is provided at the bottom of one end of the second bed frame (2) and directly opposite to the fixing bolt (16).