Portable sofa bed

Abstract

The utility model discloses a portable sofa bed, which relates to the technical field of sofa beds and comprises a middle support, two ends of the middle support are rotatably connected with a top support and a bottom support through rotating shafts, the two groups of symmetrical supports are connected through a sofa cushion, a storage groove is arranged on the top support close to the rotating shafts, and the storage groove is provided with a support frame through a rotating shaft. A foot rod is fixedly arranged on the side, facing the ground, between the two supporting frames, a foot rod is fixedly arranged on the side, close to the ground, between the two bottom supports, a sliding groove is formed in the foot rod, an insertion section on the foot rod is slidably connected with the sliding groove, the foot rod at the bottom supports is sleeved with a rotating shaft sleeve, and a pull rod is fixedly arranged on the rotating shaft sleeve. Limiting grooves are formed in the foot rods at the supporting frames, and hook rods matched with the limiting grooves in shape are arranged on the pull rods. The folding sofa is simple in structure, convenient to carry, stable in structure, high in comfort level, high in practicability and suitable for popularization when being assembled into a sofa or a bed.

Description

Technical Field

[0001] This utility model belongs to the field of sofa bed technology, specifically relating to a portable sofa bed. Background Technology

[0002] Due to changes in living conditions, the demand for comfortable and multifunctional home furnishings has increased. To meet consumer needs, the market has launched a variety of sofa bed products. As living standards improve, folding chairs and other similar items are used for outdoor activities. While sofa beds are comfortable and can be used as sofas or beds, they are not convenient to transport in vehicles. Utility Model Content

[0003] The purpose of this utility model is to provide a portable sofa bed with a simple structure, easy to carry, and stable structure when assembled into a sofa or bed. It is highly comfortable, practical, and suitable for widespread use.

[0004] This utility model provides the following technical solution: a portable sofa bed, including a top support, a middle support, and a bottom support. The two ends of the middle support are rotatably connected to the top support and the bottom support through a rotating shaft. A limiting mechanism is provided at the rotating shaft. The two sets of symmetrical supports are connected by a sofa cushion. The top support has a storage groove near the rotating shaft. The storage groove has a support frame through a rotating shaft. A foot is fixed between the two support frames on the side facing the ground. A foot is fixed between the two bottom supports on the side facing the ground.

[0005] The foot rod is provided with a sliding groove, and the insertion section on the foot rod is slidably connected to the sliding groove. The foot rod at the bottom bracket is fitted with a rotating shaft sleeve, and a pull rod is fixedly provided on the rotating shaft sleeve. The foot rod at the support frame is provided with a limiting groove. The top of the insertion section is provided with a spring block that is supported upward by a spring. The pull rod is provided with a hook rod that matches the shape of the limiting groove.

[0006] Preferably, a raised ridge is fixedly provided on the upper surface of the middle bracket at one end of the bottom bracket. When the middle bracket and the bottom bracket are at a flat angle, the raised ridge fits against the upper surface of the bottom bracket. A slot is provided at the other end of the middle bracket. A sliding track is provided at the top bracket. A top-entry plate is slidably provided in the sliding track. The shape of the top-entry plate matches the slot. A toggle block that passes through the top bracket is fixedly provided on the top-entry plate.

[0007] Preferably, when the spring block engages with the opening at the sliding groove, the sofa cushion is in a taut state; when the hook rod engages with the limiting groove, the sofa cushion is in a concave state; and a headrest is fitted onto the top of the sofa cushion.

[0008] Preferably, when the hook rod is engaged with the limiting groove, the bottom bracket and the support frame extend downwards at an angle.

[0009] The beneficial effects of this utility model are: simple structure, easy to carry, stable structure, high comfort, and strong practicality when assembled into a sofa or bed, as detailed below:

[0010] (1) This utility model is equipped with a pull rod. When carrying the device, it can be folded together by the top support, middle support and bottom support, which takes up little space and is easy to carry. When used as a sofa, the top support is rotated so that it forms an obtuse angle with the middle support. The support frame rotates out of the storage slot and supports the ground. The bottom support is rotated so that it is supported diagonally on the ground. At this time, the pull rod is rotated so that its hook is inserted into the limiting slot. At this time, the limiting slot connects the two legs. The bottom support and the support frame are in a downward diagonal state, providing better support and making the sofa less likely to tip over. When the device is used as a bed, the protrusion of the middle support is pressed against the upper surface of the bottom support. When the top support and the middle support are aligned, the top plate is inserted into the slot. At this time, the top support, middle support and bottom support form a straight rod and are supported on the ground by the legs below.

[0011] (2) This utility model is equipped with a foot bar. When the device is used as a bed, the insertion section is pulled out until the top of the spring block coincides with the hole of the sliding groove. At this time, the length of the foot bar is fixed and the sofa cushion is in a taut state, making it more comfortable for the human body to lie on the sofa cushion. When the device is used as a sofa, the hook bar is pressed down to separate the spring block from the hole of the sliding groove. The insertion section is pushed to make the limiting groove coincide with the hole. The hook bar is inserted and the length of the foot bar is fixed. At this time, the sofa cushion is in a relaxed state. When the human body sits on it, it will sink into the sofa cushion, making it more comfortable to sit on the sofa cushion. Attached Figure Description

[0012] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0013] Figure 1 This is an overall schematic diagram of the present invention;

[0014] Figure 2 This is a diagram of the bracket of this utility model;

[0015] Figure 3 This is an enlarged view of point A of this utility model;

[0016] Figure 4 This is a sectional view of the leg section in this utility model;

[0017] The following are labeled in the diagram: 1. Top support; 2. Middle support; 3. Bottom support; 4. Sofa cushion; 5. Headrest; 6. Rotating axis; 7. Support frame; 8. Leg; 9. Insertion section; 10. Rotating shaft sleeve; 11. Pull rod; 12. Storage slot; 13. Sliding track; 14. Top plate; 15. Actuating block; 16. Slot; 17. Sliding groove; 18. Limiting groove; 19. Hook rod; 20. Spring block. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0019] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] The structural features of this utility model will now be described in detail with reference to the accompanying drawings.

[0022] See Figure 1-2A portable sofa bed includes a top support 1, a middle support 2, and a bottom support 3. The two ends of the middle support 2 are rotatably connected to the top support 1 and the bottom support 3 via a rotating shaft 6. A limiting mechanism is provided at the rotating shaft 6. The two sets of symmetrical supports are connected by a sofa cushion 4. The top support 1 has a storage slot 12 near the rotating shaft 6. The storage slot 12 has a support frame 7 via a rotating shaft. When the device is not in use, the support frame 7 is folded into the storage slot 12 and does not occupy space. A foot rod 8 is fixed between the two support frames 7 on the side facing the ground. A foot rod 8 is fixed between the two bottom supports 3 on the side facing the ground. When the support frame 7 is stored in the storage slot 12, the foot rod 8 on it supports the ground. The foot rod 8 supports both ends of the device when the device is used as a bed.

[0023] See Figure 1 , 4 The leg 8 is provided with a sliding groove 17, and the insertion section 9 on the leg 8 is slidably connected to the sliding groove 17, so that the length of the leg 8 can be adjusted. The leg 8 at the bottom bracket 3 is fitted with a rotating shaft sleeve 10, and a pull rod 11 is fixed on the rotating shaft sleeve 10. The pull rod 11 can rotate around the leg 8. The leg 8 at the support frame 7 is provided with a limiting groove 18. The top of the insertion section 9 is provided with a spring block 20 that is supported upward by a spring. The pull rod 11 is provided with a hook rod 19 that matches the shape of the limiting groove 18. When the spring block 20 is engaged with the opening at the sliding groove 17, the sofa cushion 4 is in a taut state, and the device is used as a bed. When the hook rod 19 is engaged with the limiting groove 18, the sofa cushion 4 is in a concave state, and the device is used as a sofa. The top of the sofa cushion 4 is fitted with a headrest 5. When the hook rod 19 is engaged with the limiting groove 18, the bottom bracket 3 and the support frame 7 are in a downward-sloping state, providing better support.

[0024] See Figure 1 , 3 The middle support 2 has a raised ridge fixed on the upper surface of one end of the bottom support 3. When the middle support 2 and the bottom support 3 are at a flat angle, the ridge fits against the upper surface of the bottom support 3. The other end of the middle support 2 has a slot 16. The top support 1 has a sliding rail 13. A top plate 14 is slidably installed in the sliding rail 13. The shape of the top plate 14 matches the slot 16. The top plate 14 has a fixed actuating block 15 that passes through the top support 1. When the top support 1 and the middle support 2 are aligned, the actuating block 15 is moved to insert the top plate 14 into the slot 16. The ridge of the middle support 2 presses against the upper surface of the bottom support 3, so that the top support 1, the middle support 2 and the bottom support 3 can form a straight rod to support the side of the bed.

[0025] This portable sofa bed has a simple structure, is easy to carry, and is stable, comfortable, and practical when assembled into a sofa or bed, making it suitable for widespread use.

[0026] For specific usage, please refer to... Figure 1-4 When carrying the device, it can be folded together by the top support 1, middle support 2, and bottom support 3, taking up little space and making it easy to carry. When used as a sofa, the top support 1 is rotated so that it forms an obtuse angle with the middle support 2, and the support frame 7 rotates out of the storage slot 12 and supports the ground. The bottom support 3 is rotated so that it is diagonally supported on the ground. At this time, the pull rod 11 is rotated so that its hook rod 19 is inserted into the limiting slot 18. At this time, the limiting slot 18 connects the two leg rods 8. The bottom support 3 and the support frame 7 are in a downward diagonal state, providing better support and making the sofa less likely to tip over. The hook rod 19 is pressed down on the spring block 20 to separate it from the hole in the sliding slot 17, and the insertion section is pushed. 9. Align the limiting groove 18 with the hole, insert the hook rod 19, and fix the length of the foot rod 8. At this time, the sofa cushion 4 is in a relaxed state. When a person sits on the sofa cushion 4, they will sink into the sofa cushion 4, making it more comfortable to sit on the sofa cushion 4. When the device is used as a bed, the protrusion of the middle support 2 presses against the upper surface of the bottom support 3. When the top support 1 is aligned with the middle support 2, the top plate 14 is inserted into the slot 16. At this time, the top support 1, the middle support 2, and the bottom support 3 form a straight rod, which is supported on the ground by the foot rod 8 below. The insertion section 9 is pulled out until the spring block 20 at its top coincides with the hole of the sliding groove 17. At this time, the length of the foot rod 8 is fixed, and the sofa cushion 4 is in a taut state, making it more comfortable for a person to lie on the sofa cushion 4.

[0027] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A portable sofa bed, comprising a top support (1), a middle support (2), and a bottom support (3), wherein the two ends of the middle support (2) are rotatably connected to the top support (1) and the bottom support (3) via a rotating shaft (6), a limiting mechanism is provided at the rotating shaft (6), and the two sets of symmetrical supports are connected by a sofa cushion (4), characterized in that, The top support (1) is provided with a storage slot (12) near the rotating shaft (6). The storage slot (12) is provided with a support frame (7) through the rotating shaft. A foot rod (8) is fixed between the two support frames (7) on the side facing the ground. A foot rod (8) is fixed between the two bottom supports (3) on the side facing the ground. The foot rod (8) is provided with a sliding groove (17), and the insertion section (9) on the foot rod (8) is slidably connected to the sliding groove (17). The foot rod (8) at the bottom bracket (3) is fitted with a rotating shaft sleeve (10), and a pull rod (11) is fixedly provided on the rotating shaft sleeve (10). The foot rod (8) at the support frame (7) is provided with a limiting groove (18). The top of the insertion section (9) is provided with a spring block (20) supported upward by a spring. The pull rod (11) is provided with a hook rod (19) that matches the shape of the limiting groove (18).

2. A portable sofa bed according to claim 1, characterized in that, The middle bracket (2) has a raised ridge fixed on the upper surface of one end of the bottom bracket (3). When the middle bracket (2) and the bottom bracket (3) are at a flat angle, the ridge fits against the upper surface of the bottom bracket (3). The other end of the middle bracket (2) has a slot (16). The top bracket (1) has a sliding track (13). A top plate (14) slides in the sliding track (13). The shape of the top plate (14) matches the slot (16). The top plate (14) has a fixed actuating block (15) that passes through the top bracket (1).

3. A portable sofa bed according to claim 1, characterized in that, When the spring block (20) engages with the opening at the sliding groove (17), the sofa cushion (4) is in a taut state. When the hook rod (19) engages with the limiting groove (18), the sofa cushion (4) is in a concave state. The top of the sofa cushion (4) is fitted with a headrest (5).

4. A portable sofa bed according to claim 1, characterized in that, When the hook rod (19) is engaged with the limiting groove (18), the bottom bracket (3) and the support frame (7) are in a downwardly extending state.

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