Folding sofa framework

Abstract

The utility model discloses a folding sofa framework, which belongs to the technical field of sofas and comprises a sofa base, a connecting frame is arranged at the top of the sofa base, a stabilizing rod is mounted at the bottom of the connecting frame close to the other side, and movable parts are arranged on the front side and the rear side of the connecting frame. Connecting upper covers are fixedly arranged at the positions, close to the front ends and the rear ends, of the peripheries of the stabilizing rods correspondingly, connecting lower covers are arranged at the bottoms of the connecting upper covers correspondingly, connecting assemblies are jointly arranged between the connecting upper covers and the adjacent connecting lower covers, and storage boxes are fixedly installed at the bottoms of the connecting lower covers correspondingly. According to the sofa base carrying device, hooks can be hung on a connecting frame, a limiting rack plate can be meshed with a limiting gear by driving a rotary knob under the cooperative use of a threaded pipe and a threaded rod, then a transverse rod can be limited, a connecting rope can be adjusted to a proper position, the sofa base cannot be loosened when carried, and the carrying efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sofas, and in particular relates to a foldable sofa frame. Background Art

[0002] With the improvement of people's living standards, sofas have become a necessity in every household. Sofas are generally composed of a frame structure, which plays the role of skeleton support. In daily use, in order to save space or achieve multiple effects, the sofa frame is generally set to be foldable. The foldable frame is easy to fall apart when carried after folding, which is inconvenient for users to move away quickly, reducing the use effect of the device. Utility Model Content

[0003] The utility model overcomes the deficiencies of the prior art and provides a foldable sofa frame to solve the problems existing in the prior art.

[0004] To achieve the above-mentioned object, the technical solution adopted by the present invention is as follows: a foldable sofa frame, comprising a sofa base, a connecting frame being provided on the top of the sofa base, a stabilizing rod being installed on the bottom of the connecting frame near the other side, movable parts being provided on the front and rear sides of the connecting frame, a connecting upper cover being fixedly provided on the outer periphery of the stabilizing rod near the front and rear ends, a connecting lower cover being provided on the bottom of the connecting upper cover, a connecting assembly being provided between the connecting upper cover and the adjacent connecting lower cover, a storage box being fixedly installed on the bottom of the connecting lower cover, and a limit assembly being provided in the inner cavity of the storage box;

[0005] The limit assembly includes a fixed plate fixedly installed on the other side of the storage box near the front side and a threaded tube movably passing through the front side of the fixed plate. The inner cavity of the threaded tube is threadedly connected to a threaded rod, and the rear end of the threaded rod is fixedly installed with a limit rack plate, and the rear side of the limit rack plate is engaged with the limit gear. One side of the limit gear is fixedly installed with a cross bar, and one end of the cross bar movably passes through the other side of the inner cavity of the storage box and is rotatably connected to the side wall of the inner cavity of the storage box. A winding roller is fixedly sleeved on the outer periphery of the cross bar, and a connecting rope is wrapped around the outer periphery of the winding roller. The front end of the connecting rope movably passes through the inner cavity of the storage box and is fixedly installed with the connecting rope. The front end of the connecting rope moves into the inner cavity of the storage box and is fixedly installed with a hook.

[0006] In a preferred embodiment of the present invention, a knob is fixedly installed at one end of the threaded tube, a torsion spring is movably sleeved near one end of the outer periphery of the cross bar, and the two ends of the torsion spring are respectively fixedly connected to the inner cavity side wall of the storage box and the outer periphery of the cross bar.

[0007] In a preferred embodiment of the present invention, limiting telescopic rods are fixedly installed on the front side of the limiting rack plate near the top and the bottom, and the front ends of the limiting telescopic rods are fixedly connected to the fixing plate.

[0008] In a preferred embodiment of the present invention, the connecting assembly includes a fixing plate fixedly installed on the front side of the connecting upper cover near the top and a collecting trough fixedly installed on the connecting lower cover, and the L-shaped connecting block is movably inserted in the inner cavity of the collecting trough, and limiting grooves are provided on both sides of the L-shaped connecting block near the bottom, and the inner cavities of the limiting grooves are movably inserted with plug-in blocks, and the sides away from the plug-in blocks are fixedly installed with hanging plates, and the sides away from the hanging plates are fixedly installed with connecting plates, and the connecting plates are movably passed through the two sides of the inner cavity of the collecting trough and are fixedly installed with handles.

[0009] In a preferred embodiment of the present invention, a reset telescopic rod is fixedly installed at the two sides of the hanging plate away from the side, and the end of the reset telescopic rod away from the side is fixedly connected to the front and back sides of the inner cavity of the collecting tank respectively. A reset spring is movably sleeved on the outer periphery of the reset telescopic rod, and the two ends of the reset spring are fixedly connected to the side walls of the inner cavity of the adjacent hanging plate and the adjacent collecting tank respectively.

[0010] In a preferred embodiment of the present invention, a guide block is fixedly installed on the side away from the L-shaped connecting block, and a guide groove is opened on the side away from the inner cavity of the collecting trough, and the guide blocks are respectively slidably connected in the inner cavity of the adjacent guide groove.

[0011] In a preferred embodiment of the present invention, anti-skid pads are fixedly installed on opposite sides of the upper cover and the lower cover, and the anti-skid pads are made of rubber.

[0012] The present invention solves the defects in the background technology and has the following beneficial effects:

[0013] After the connecting frame is folded, the hook can be hung on the connecting frame with the cooperation of the limiting component. By driving the knob, the limiting rack plate can be engaged with the limiting gear with the cooperation of the threaded tube and the threaded rod, so that the cross bar can be limited. The connecting rope can be adjusted to a suitable position, which is convenient for carrying the sofa base without loosening, thereby improving the transportation efficiency. In addition, by providing the connecting component, the storage box can be conveniently installed on the outer periphery of the stabilizing rod, and it can be disassembled when not in use, thereby extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 This is the overall expansion diagram of the utility model;

[0017] Figure 3 This is a front view of the utility model;

[0018] Figure 4 This is a three-dimensional diagram of the utility model connecting the upper cover, the lower cover and the protective pad;

[0019] Figure 5 This is an exploded view of the utility model connecting the upper cover, the lower cover and the storage box;

[0020] Figure 6 This is a partial cross-sectional three-dimensional structural diagram of the limit assembly of the utility model;

[0021] Figure 7 This is a partially cutaway perspective structural diagram of the hook, connecting rope, and torsion spring of the utility model;

[0022] Figure 8 For this utility model Figure 6 Enlarged view of point A in the middle;

[0023] In the figure: 1. Sofa base; 2. Connecting frame; 3. Stabilizing rod; 4. Movable part; 5. Connecting upper cover; 51. Anti-slip pad; 6. Connecting lower cover; 7. Storage box; 8. Limiting assembly; 81. Fixing plate; 82. Threaded tube; 821. Knob; 83. Threaded rod; 84. Limiting rack plate; 841. Limiting telescopic rod; 85. Limiting gear; 86. Cross bar; 861. Torsion spring; 87. Winding roller; 88. Connecting rope; 89. Hook; 9. Connecting assembly; 91. L-shaped connecting block; 911. Guide block; 92. Collecting trough; 921. Guide trough; 93. Hanging plate; 931. Reset telescopic rod; 932. Reset spring; 94. Insert block; 95. Connecting plate; 96. Handle. DETAILED DESCRIPTION

[0024] The following diagrams illustrate various embodiments of the present invention. For clarity, many physical details will be included in the following description. However, it should be understood that these physical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these physical details are not essential. Furthermore, to simplify the drawings, some commonly used structures and components are depicted in simplified schematic form.

[0025] In addition, in the present invention, descriptions such as "first" and "second" are only used for descriptive purposes and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0026] The present embodiment provides a foldable sofa frame, including a sofa base 1, a connecting frame 2 is provided on the top of the sofa base 1, a stabilizing rod 3 is installed at the bottom of the connecting frame 2 near the other side, movable parts 4 are provided on the front and rear sides of the connecting frame 2, a connecting cover 5 is fixedly provided on the outer periphery of the stabilizing rod 3 near the front and rear ends, and a connecting lower cover 6 is provided at the bottom of the connecting upper cover 5, and a connecting component 9 is commonly provided between the connecting upper cover 5 and the adjacent connecting lower cover 6, a storage box 7 is fixedly installed at the bottom of the connecting lower cover 6, and a limiting component 8 is provided in the inner cavity of the storage box 7; the limiting component 8 includes a fixing plate 81 fixedly installed at the other side of the storage box 7 near the front side and a threaded tube 82 movably passing through the front side of the fixing plate 81, the inner cavity of the threaded tube 82 is threadedly connected to a threaded rod 83, the rear end of the threaded rod 83 is fixedly installed with a limiting rack plate 84, and the rear side of the limiting rack plate 84 engages with the limiting rack plate 84. The cam 86 is fixedly mounted on the side of the cam 86 and the cam 87 is fixedly mounted on the cam 86 so that the cam 86 can move freely and the cam 87 can move freely.

[0027] A knob 821 is fixedly installed at one end of the threaded tube 82, and a torsion spring 861 is movably sleeved on the outer periphery of the cross bar 86 near one end, and the two ends of the torsion spring 861 are respectively fixedly connected to the inner cavity side wall of the storage box 7 and the outer periphery of the cross bar 86.

[0028] The front side of the limiting rack plate 84 is fixedly installed with limiting telescopic rods 841 near the top and bottom, and the front ends of the limiting telescopic rods 841 are fixedly connected to the fixed plate 81. By setting the limiting telescopic rods 841, the limiting rack plate 84 can be limited when moving.

[0029] The connecting assembly 9 includes a fixing plate 81 fixedly mounted on the front side of the connecting upper cover 5 near the top and a collecting tank 92 fixedly mounted on the connecting lower cover 6, and the L-shaped connecting block 91 is movably inserted into the inner cavity of the collecting tank 92, and limiting grooves are provided on both sides of the L-shaped connecting block 91 near the bottom, and the inner cavity of the limiting grooves is movably inserted with an insert block 94, and a hanging plate 93 is fixedly mounted on the side away from the insert block 94, and a connecting plate 95 is fixedly mounted on the side away from the hanging plate 93, and the connecting plates 95 are movably passed through both sides of the inner cavity of the collecting tank 92, and are fixedly mounted with handles 96.

[0030] A reset telescopic rod 931 is fixedly installed near both sides of the side away from the hanging plate 93, and the end away from the reset telescopic rod 931 is fixedly connected to the front and back sides of the inner cavity of the collecting tank 92 respectively. A reset spring 932 is movably sleeved on the outer periphery of the reset telescopic rod 931, and the two ends of the reset spring 932 are fixedly connected to the inner cavity side walls of the adjacent hanging plate 93 and the adjacent collecting tank 92 respectively. By setting the reset telescopic rod 931 and the reset spring 932, the plug block 94 can be stably inserted into the inner cavity of the limit groove.

[0031] A guide block 911 is fixedly installed on the side away from the L-shaped connecting block 91, and a guide groove 921 is opened on the side away from the inner cavity of the collecting tank 92, and the guide blocks 911 are respectively slidably connected in the inner cavity of the adjacent guide grooves 921. By setting the guide block 911 to be slidably connected in the inner cavity of the lower guide groove 921, the L-shaped connecting block 91 can be stably inserted into the inner cavity of the collecting tank 92.

[0032] Anti-skid pads 51 are fixedly installed on the opposite sides of the upper cover 5 and the lower cover 6, and the anti-skid pads 51 are made of rubber material. By providing the anti-skid pads 51, the stability of the connection between the upper cover 5 and the lower cover 6 can be improved.

[0033] Working principle: When the present invention is in use, when the staff needs to move the sofa base 1, the connecting cover 5 and the connecting lower cover 6 can be located on the outer periphery of the stabilizing rod 3, and the L-shaped connecting block 91 fixed on the connecting cover 5 can be inserted into the inner cavity of the collecting groove 92. During the disassembly process, since the two sides of the L-shaped connecting block 91 are arc-shaped, the inserting block 94 can be moved to the side away from each other during the insertion process. When the L-shaped connecting block 91 is inserted into a certain position, the reset telescopic rod 931 and the reset spring 932 can cooperate to make the inserting block 94 inserted into the inner cavity of the limiting groove. In this way, the storage box 7 can be installed on the stabilizing rod 3. When not in use, it can be disassembled and collected to avoid accidental damage. At this time, the connecting block 91 can be removed. The connecting frame 2 is folded up, and then the hook 89 is pulled to hang the hook 89 on the connecting frame 2 in cooperation with the connecting rope 88, and then the knob 821 is rotated. Through the cooperation of the threaded tube 82 fixed on the knob 821 and the threaded rod 83 threadedly connected to the inner cavity of the threaded tube 82, the limiting rack plate 84 fixed on the end of the threaded rod 83 can be moved to one side under the limitation of the two limiting telescopic rods 841, and then the limiting rack plate 84 can be engaged with the limiting gear 85, so that the cross bar 86 can be limited, and the required length of the connecting rope 88 can be adjusted. When use is completed, only the limiting rack plate 84 and the limiting gear 85 need to be separated, and the connecting rope 88 can be automatically stored in cooperation with the torsion spring 861.

[0034] Although the present invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the present invention. That is, the methods, systems, or devices discussed above are all examples. Various configurations may omit, replace, or add various processes or components as appropriate. For example, in an alternative configuration, the method may be performed in an order different from that described, and / or various stages may be added, omitted, and / or combined. Moreover, the features described with respect to certain configurations may be combined in various other configurations. Different aspects and elements of the configurations may be combined in a similar manner. In addition, as technology develops, many elements are merely examples and do not limit the scope of this disclosure or the claims.

[0035] Specific details are given in the specification to provide a thorough understanding of the exemplary configurations including implementations. However, the configurations can be practiced without these specific details. For example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary details to avoid obscuring the configurations. This description provides only example configurations and does not limit the scope, applicability, or configurations of the claims. On the contrary, the foregoing description of the configurations will provide those skilled in the art with a functional description for implementing the described techniques. Various changes may be made to the functions and arrangements of the elements without departing from the spirit or scope of this disclosure.

[0036] Furthermore, although each operation may be described as a sequential process, many operations may be performed in parallel or simultaneously. Furthermore, the order of the operations may be rearranged. A process may have additional steps. Furthermore, examples of the methods may be implemented in hardware, software, firmware, middleware, code, hardware description languages, or any combination thereof. When implemented in software, firmware, middleware, or code, the program code or code segments for performing the necessary tasks may be stored in a non-transitory computer-readable medium such as a storage medium, and the described tasks may be performed by a processor.

[0037] In summary, it is intended that the foregoing detailed description be regarded as illustrative rather than restrictive, and it should be understood that the claims (including all equivalents) are intended to define the spirit and scope of the present invention. The above embodiments should be understood as merely illustrative of the present invention and not intended to limit its scope. After reading the disclosure of this invention, skilled artisans may make various changes or modifications to the present invention, and such equivalent variations and modifications are also within the scope of the claims.

Claims

1. A foldable sofa frame, characterized in that: The sofa base (1) comprises a connecting frame (2) provided on the top of the sofa base (1), a stabilizing rod (3) being installed on the bottom of the connecting frame (2) near the other side, movable parts (4) being installed on both the front and rear sides of the connecting frame (2), a connecting upper cover (5) being fixedly installed on the outer periphery of the stabilizing rod (3) near the front and rear ends, a connecting lower cover (6) being installed on the bottom of the connecting upper cover (5), a connecting assembly (9) being installed between the connecting upper cover (5) and the adjacent connecting lower cover (6), a storage box (7) being fixedly installed on the bottom of the connecting lower cover (6), and a limiting assembly (8) being installed in the inner cavity of the storage box (7); The limiting assembly (8) includes a fixed plate (81) fixedly mounted on the other side of the storage box (7) near the front side and a threaded tube (82) movably penetrating the front side of the fixed plate (81), the inner cavity of the threaded tube (82) is threadedly connected to a threaded rod (83), the rear end of the threaded rod (83) is fixedly mounted with a limiting rack plate (84), and the rear side of the limiting rack plate (84) is engaged with a limiting gear (85), and a cross bar (86) is fixedly mounted on one side of the limiting gear (85). One end of the rod (86) is movable through the other side of the inner cavity of the storage box (7) and is rotatably connected to the side wall of the inner cavity of the storage box (7). The outer periphery of the crossbar (86) is fixedly sleeved with a winding roller (87), and the outer periphery of the winding roller (87) is wrapped with a connecting rope (88). The front end of the connecting rope (88) is movable through the inner cavity of the storage box (7) and is fixedly installed with the connecting rope (88). The front end of the connecting rope (88) is movable in the inner cavity of the storage box (7) and is fixedly installed with a hook (89).

2. A foldable sofa frame according to claim 1, characterized in that: A knob (821) is fixedly mounted on one end of the threaded tube (82), and a torsion spring (861) is movably sleeved on the outer periphery of the crossbar (86) near one end, and the two ends of the torsion spring (861) are respectively fixedly connected to the inner cavity side wall of the storage box (7) and the outer periphery of the crossbar (86).

3. A foldable sofa frame according to claim 1, characterized in that: The front side of the limiting rack plate (84) is fixedly mounted with limiting telescopic rods (841) near the top and bottom, and the front ends of the limiting telescopic rods (841) are fixedly connected to the fixed plate (81).

4. A foldable sofa frame according to claim 1, characterized in that: The connecting assembly (9) includes a fixing plate (81) fixedly mounted on the front side of the connecting upper cover (5) near the top and a collecting trough (92) fixedly mounted on the connecting lower cover (6), and an L-shaped connecting block (91) is movably inserted into the inner cavity of the collecting trough (92), and both sides of the L-shaped connecting block (91) are provided with limiting grooves near the bottom, and the inner cavities of the limiting grooves are movably inserted with plug blocks (94), and the sides of the plug blocks (94) away from each other are fixedly mounted with hanging plates (93), and the sides of the hanging plates (93) away from each other are fixedly mounted with connecting plates (95), and the connecting plates (95) are movably penetrated through both sides of the inner cavity of the collecting trough (92) and are fixedly mounted with handles (96).

5. A foldable sofa frame according to claim 4, characterized in that: A reset telescopic rod (931) is fixedly installed at the side close to both sides of the hanging plate (93) away from the other side, and the end of the reset telescopic rod (931) away from the other side is fixedly connected to the front and back sides of the inner cavity of the collecting tank (92), and a reset spring (932) is movably sleeved on the outer periphery of the reset telescopic rod (931), and the two ends of the reset spring (932) are fixedly connected to the inner cavity side walls of the adjacent hanging plate (93) and the adjacent collecting tank (92), respectively.

6. The foldable sofa frame according to claim 4, characterized in that: A guide block (911) is fixedly mounted on the side away from the L-shaped connecting block (91), and a guide groove (921) is provided on the side away from the inner cavity of the collecting trough (92), and the guide blocks (911) are respectively slidably connected in the inner cavities of adjacent guide grooves (921).

7. The foldable sofa frame according to claim 1, characterized in that: The opposite sides of the connecting upper cover (5) and the connecting lower cover (6) are both fixedly mounted with anti-skid pads (51), and the anti-skid pads (51) are both made of rubber material.

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