Sofa bed with expanding function for apartment

Abstract

The utility model provides a sofa bed with an expansion function for an apartment, which belongs to the technical field of sofa beds and comprises a base plate, an arm-chair plate is hinged to the side face of the base plate through hinges, a protection pad layer is fixedly connected to the upper surface of the base plate and the upper surface of the arm-chair plate, supporting legs are fixedly connected to the lower surface of the base plate, and the supporting legs are fixedly connected to the lower surface of the base plate. Side armrest boxes are fixedly connected to the two sides of the base plate. The folding transmission assembly is arranged on the inner side of the side armrest box, when the sofa is used, the fixing rod and the connecting plate can drive the sliding column to slide in the sliding groove only by bending the arm-chair plate upwards, after bending is stopped, the clamping column can be connected into the clamping groove in a clamped mode, then the arm-chair plate is fixed, and when a bed body needs to be used, the folding transmission assembly is arranged on the inner side of the side armrest box. When the chair is used, the chair only needs to be bent continuously, the clamping column is taken out of the clamping groove, then the chair continues to slide forwards and finally slides down from the sliding groove in the lower side, so that the transmission rod drives the sliding column to slide down to the bottom of the sliding groove, the chair plate is horizontally placed, and the operation steps are simplified.

Description

Technical Field

[0001] This utility model belongs to the field of sofa bed technology, and in particular relates to a sofa bed with an extendable function for apartments. Background Technology

[0002] A sofa bed is a piece of furniture that combines the functions of a sofa and a bed. It is usually used in living environments with limited space. It can be used as a sofa for daily use and can also be transformed into a bed when needed, providing extra sleeping space. Sofa beds are particularly suitable for small apartments, guest rooms, or temporary accommodations, such as living rooms, studies, or studios, and are even suitable for families that frequently have guests.

[0003] A multifunctional sofa bed is disclosed in CN209629175U, which includes a sofa body, a first extension bed and a second extension bed. The end of the second extension bed is slidably connected to the first extension bed by a latch. The sofa body is composed of armrests, a first crossbar, a first longitudinal bar and a first support. The first extension bed is composed of a second crossbar, a second longitudinal bar and a second support. The first crossbar and the second crossbar are spaced apart. The second extension bed is composed of a third crossbar, a third longitudinal bar and a third support. Multiple third crossbars are located at the intervals of the second crossbars.

[0004] Existing sofa beds with extendable features in apartments still have the following shortcomings:

[0005] 1. Existing sofa bed designs require the hidden bed frame to be stretched and folded during use, which causes some inconvenience in both use and storage.

[0006] 2. In the existing design, the storage space is placed under the bed. When you need to retrieve or put in items, you have to bend over or lie down to use them, which is inconvenient for the user. Utility Model Content

[0007] The purpose of this utility model is to solve the problem that existing sofa bed designs require the hidden bed frame to be stretched and folded during use, which brings certain inconveniences during use and storage. In existing designs, the storage space is designed by placing the storage box under the bed frame. When it is necessary to retrieve or put down objects, it is necessary to bend over or lie down to use them, which causes inconvenience to the user. Therefore, this utility model proposes an apartment sofa bed with an extendable function.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] An apartment sofa bed with an extendable function includes: a base plate, a backrest board hinged to the side of the base plate via hinges, a padding layer fixedly connected to the upper surface of the base plate and the backrest board, support legs fixedly connected to the lower surface of the base plate, side armrest boxes fixedly connected to both sides of the base plate, a support rod fixedly connected between the two side armrest boxes, the support rod being disposed under the backrest board, a storage structure disposed on the upper side of the base plate, and a folding transmission assembly disposed inside the side armrest boxes;

[0010] Preferably, the storage structure includes a baffle plate, the upper surface of the base plate is provided with a storage groove, the upper surface of the protective layer is provided with a slot, and the baffle plate is rotatably connected to the side of the slot.

[0011] Preferably, the side length of the slot is 5cm longer than the side length of the storage slot, and the upper surface of the protective layer is provided with an opening slot, which is located on the front side of the slot.

[0012] Preferably, the folding transmission assembly includes a fixing plate, an inner arc plate is provided on the inner side of the fixing plate, a sliding groove is provided between the inner arc plate and the fixing plate, and three slots are provided on the side of the inner arc plate.

[0013] Preferably, a snap-fit ​​post is engaged in the slot, and a sliding post is slidably connected in the sliding groove. A connecting plate is fixedly connected to the upper surface of the snap-fit ​​post, and the connecting plate is rotatably connected to the end of the sliding post.

[0014] Preferably, a through groove is provided on the inner side of the side armrest box near the base plate, and a fixing rod is fixedly connected to the side of the chair board. The fixing rod passes through the through groove and extends into the side armrest box. A transmission rod is rotatably connected to the upper surface of the fixing rod, and the end of the transmission rod is rotatably connected to the side of the connecting plate.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. This utility model, by setting a folding transmission component inside the side armrest box, allows the user to simply bend the backrest of the sofa upwards when using it. The fixed rod and connecting plate will then drive the sliding column to slide within the groove. After stopping the bending, the locking column will engage with the groove, thus fixing the backrest. When the bed is needed, the user simply continues to bend the backrest, bringing the locking column out of the groove, and then continues to slide forward until it slides down the lower groove. This allows the transmission rod to drive the sliding column to slide to the bottom of the groove, laying the backrest flat, thus simplifying the operation.

[0017] 2. This utility model sets a storage slot on the upper surface of the base plate and sets a slot on the upper surface of the protective layer. A baffle plate is rotatably connected in the slot. When storing items, one can achieve the storage function simply by sitting down, which makes the operation convenient. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the front structure of an apartment sofa bed with an extendable function proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of the back structure of an apartment sofa bed with an extendable function proposed in this utility model;

[0020] Figure 3 This is a schematic diagram of a storage structure for an apartment sofa bed with an extendable function, as proposed in this utility model.

[0021] Figure 4 This is a schematic diagram of the internal cross-sectional structure of the side armrest box of an apartment sofa bed with an extendable function proposed in this utility model.

[0022] Figure 5 for Figure 1 Enlarged view of part A in the middle.

[0023] In the diagram: 1. Base plate, 2. Backrest plate, 3. Pad layer, 4. Support leg, 5. Storage slot, 6. Slot, 7. Cover plate, 8. Opening slot, 9. Side armrest box, 10. Support rod, 11. Fixing plate, 12. Inner arc plate, 13. Slide groove, 14. Slot, 15. Snap-fit ​​post, 16. Sliding post, 17. Connecting plate, 18. Through groove, 19. Fixing rod, 20. Transmission rod. Detailed Implementation

[0024] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0025] Reference Figures 1-5 An apartment sofa bed with an extendable function includes: a base plate 1, a backrest board 2 hinged to the side of the base plate 1, a padding layer 3 fixedly connected to the upper surface of the base plate 1 and the backrest board 2, a support leg 4 fixedly connected to the lower surface of the base plate 1, side armrest boxes 9 fixedly connected to both sides of the base plate 1, a support rod 10 fixedly connected between the two side armrest boxes 9, the support rod 10 being located on the lower side of the backrest board 2, a storage structure on the upper side of the base plate 1, and a folding transmission assembly inside the side armrest box 9.

[0026] The storage structure includes a baffle plate 7, a storage slot 5 on the upper surface of the base plate 1, a slot 6 on the upper surface of the padding layer 3, a baffle plate 7 rotatably connected to the side of the slot 6, the side length of the slot 6 being 5cm longer than the side length of the storage slot 5, an opening slot 8 on the upper surface of the padding layer 3, the opening slot 8 being located in front of the slot 6. By setting the storage slot 5 on the upper surface of the base plate 1 and the slot 6 on the upper surface of the padding layer 3, and rotatably connecting the baffle plate 7 inside the slot 6, the storage function can be achieved simply by sitting down, thus making operation convenient.

[0027] The folding transmission assembly includes a fixed plate 11, an inner arc plate 12 is provided on the inner side of the fixed plate 11, a sliding groove 13 is provided between the inner arc plate 12 and the fixed plate 11, and three slots 14 are provided on the side of the inner arc plate 12.

[0028] A snap-fit ​​post 15 is engaged in the slot 14, and a sliding post 16 is slidably connected in the sliding groove 13. A connecting plate 17 is fixedly connected to the upper surface of the snap-fit ​​post 15, and the connecting plate 17 is rotatably connected to the end of the sliding post 16.

[0029] A through groove 18 is provided on the inner side of the side armrest box 9 near the base plate 1. A fixing rod 19 is fixedly connected to the side of the backrest 2. The fixing rod 19 passes through the through groove 18 and extends into the side armrest box 9. A transmission rod 20 is rotatably connected to the upper surface of the fixing rod 19. The end of the transmission rod is rotatably connected to the side of the connecting plate 17. By setting a folding transmission assembly inside the side armrest box 9, when using the sofa, you only need to bend the backrest 2 upwards. The fixing rod 19 and the connecting plate 17 can drive the sliding column 16 to slide in the sliding groove 13. After stopping the bending, the locking column 15 will lock into the locking groove 14, thereby fixing the backrest 2.

[0030] When the bed needs to be used, simply continue bending to bring the locking post 15 out of the locking slot 14, and then continue sliding forward until it slides down from the lower slide groove 13. This causes the transmission rod 20 to drive the sliding post 16 to slide down to the bottom of the slide groove, allowing the chair back 2 to be laid flat, thus simplifying the operation steps.

[0031] The functional principle of this utility model can be explained through the following operation methods:

[0032] By setting the folding transmission component inside the side armrest box 9, when using the sofa, you only need to bend the backrest 2 upwards, and the fixed rod 19 and the connecting plate 17 will drive the sliding column 16 to slide in the slide groove 13. After stopping the bending, the locking column 15 will lock into the locking groove 14, thereby fixing the backrest 2.

[0033] When the bed needs to be used, simply continue to bend it, bring the locking post 15 out of the locking slot 14, and then continue to slide forward until it slides down from the lower slide groove 13. This causes the transmission rod 20 to drive the sliding post 16 to slide down to the bottom of the slide groove, and the chair back 2 is laid flat, thus simplifying the operation steps.

[0034] By setting a storage slot 5 on the upper surface of the base plate 1, and a slot 6 on the upper surface of the padding layer 3, a baffle 7 is rotatably connected inside the slot 6. When storing items, one can achieve the storage function simply by sitting down, thus making the operation convenient.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A sofa bed with extendable function for apartments, characterized in that, The device includes a base plate (1), a chair back panel (2) is hinged to the side of the base plate (1) via a hinge, a padding layer (3) is fixedly connected to the upper surface of the base plate (1) and the chair back panel (2), a support leg (4) is fixedly connected to the lower surface of the base plate (1), a side armrest box (9) is fixedly connected to both sides of the base plate (1), a support rod (10) is fixedly connected between the two side armrest boxes (9), the support rod (10) is located on the lower side of the chair back panel (2), a storage structure is provided on the upper side of the base plate (1), and a folding transmission assembly is provided inside the side armrest box (9).

2. The sofa bed with extendable function for apartments according to claim 1, characterized in that, in: The storage structure includes a shield (7), a storage groove (5) is provided on the upper surface of the base plate (1), a slot (6) is provided on the upper surface of the padding layer (3), and the shield (7) is rotatably connected to the side of the slot (6).

3. A sofa bed with extendable function for apartments according to claim 2, characterized in that, in: The side length of the slot (6) is 5cm longer than the side length of the storage slot (5). The upper surface of the padding layer (3) is provided with an opening slot (8), which is located on the front side of the slot (6).

4. A sofa bed with extendable function for apartments according to claim 1, characterized in that, in: The folding transmission assembly includes a fixed plate (11), an inner arc plate (12) is provided on the inner side of the fixed plate (11), a sliding groove (13) is provided between the inner arc plate (12) and the fixed plate (11), and three slots (14) are provided on the side of the inner arc plate (12).

5. A sofa bed with extendable function for apartments according to claim 4, characterized in that, in: A snap-fit ​​post (15) is engaged in the slot (14), and a sliding post (16) is slidably connected in the sliding groove (13). A connecting plate (17) is fixedly connected to the upper surface of the snap-fit ​​post (15), and the connecting plate (17) is rotatably connected to the end of the sliding post (16).

6. A sofa bed with extendable function for apartments according to claim 3, characterized in that, in: A through groove (18) is provided on the inner side of the side armrest box (9) near the base plate (1). A fixing rod (19) is fixedly connected to the side of the chair plate (2). The fixing rod (19) passes through the through groove (18) and extends into the side armrest box (9). A transmission rod (20) is rotatably connected to the upper surface of the fixing rod (19). The end of the transmission rod is rotatably connected to the side of the connecting plate (17).

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