A new folding bed-chair

Abstract

The utility model relates to the technical field of folding bed, disclose a novel folding bed chair, including first support, first support fixed with first bed frame, one side of first bed frame is hinged with second bed frame, the second bed frame is away from one side of first bed frame and is hinged with third bed frame, the bottom of third bed frame is connected with the support plate through locking assembly, the bottom of support plate is fixed with second support, the utility model has the advantages and effects that: can realize the conversion between bed frame and seat, satisfy the demand of multifunctional use.

Description

Technical Field

[0001] This utility model relates to the field of folding bed technology, and in particular to a novel folding bed chair. Background Technology

[0002] With increasingly compact living spaces in modern cities, the demand for multifunctional furniture has grown significantly. Folding beds, as a space-saving furniture product, have wide applications in small apartments, student dormitories, and temporary guest rooms. Currently, the most common folding beds on the market adopt the following structural forms: 1. Folding beds with hinges, which allow the bed to fold vertically or horizontally, but still occupy a considerable amount of space after folding; 2. Pull-out folding beds, which use sliding rails to extend and retract the bed, but have a complex structure and poor stability; 3. Modular folding beds: which can be disassembled into multiple parts, but the assembly process is cumbersome, affecting ease of use. The main problems with existing technologies include: most folding beds can only be used as storage space after folding, and cannot achieve the conversion of furniture functions. Utility Model Content

[0003] The purpose of this utility model is to provide a new type of folding bed and chair that can be converted between a bed frame and a chair, thus meeting the needs of multi-functional use.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a novel folding bed and chair, including a first support frame, a first bed frame fixed on the first support frame, a second bed frame hinged to one side of the first bed frame, a third bed frame hinged to the side of the second bed frame away from the first bed frame, a support plate connected to the bottom of the third bed frame by a locking component, and a second support frame fixed to the bottom of the support plate.

[0005] By adopting the above technical solution, when the first bed frame, the second bed frame, and the third bed frame are on the same horizontal line, it is convenient for the user to lie down and rest. When folding, first remove the support plate and the second support frame from the bottom of the third bed frame through the locking assembly, hold the second bed frame and rotate the third bed frame until the third bed frame is folded at the bottom of the second bed frame, then hold the first bed frame and rotate the second and third bed frames simultaneously until the second bed frame is folded at the top of the first bed frame. The final state is that the third bed frame, the second bed frame, and the first bed frame are arranged from top to bottom on the first support frame, realizing the folding of the bed frame into a seat and meeting the needs of multi-functional use.

[0006] A further feature of this invention is that the first support frame includes armrests located on both sides of the first bed frame, a connecting plate is fixed between the armrests on both sides, the first bed frame is fixed on the connecting plate, and a backrest is fixed on the side of the first bed frame away from the second bed frame.

[0007] By adopting the above technical solution, when the bed frame is folded into a chair, the backrest and armrests help to improve the comfort of use.

[0008] A further feature of this invention is that: a first vertical support rod is fixed to one end of the armrest frame near the backrest, a first roller is installed at the bottom end of the first vertical support rod, and an oblique support rod is fixed to one end of the armrest frame near the second bed frame.

[0009] By adopting the above technical solution, the first vertical support rod and the diagonal support rod support the connecting plate and the components on the connecting plate, thereby improving the overall structural stability. At the same time, the first roller facilitates the handling of the entire bed frame, making it more labor-saving.

[0010] A further feature of this invention is that a horizontal support rod is fixed on the inclined support rod, and a limiting groove is provided on the horizontal support rod. First storage grooves are provided on both sides of the second bed frame, and a limiting rod is hinged in the first storage groove and embedded in the limiting groove.

[0011] By adopting the above technical solution, when the bed frame is unfolded, the second bed frame is flattened, and the limiting rod is held and rotated out of the limiting groove. When the second bed frame is in a horizontal state, the limiting rod is embedded in the limiting groove, and the horizontal support rod and the first support frame provide stable support for the second bed frame, improving the user's safety and stability when lying down.

[0012] A further feature of this invention is that the second support frame includes connecting frames located on both sides of the third bed frame. An arc-shaped support rod bent toward the second bed frame is fixed to one end of the connecting frame near the second bed frame, and a second vertical support rod is fixed to one end of the connecting frame away from the arc-shaped support rod. Both the arc-shaped support rod and the second vertical support rod are equipped with second rollers at their bottom ends.

[0013] By adopting the above technical solution, the arc-shaped strut and the second vertical strut support the third bed frame and improve the overall support stability.

[0014] A further feature of this invention is that a fixing plate is fixedly connected between the arc-shaped support rods on both sides and between the second vertical support rods on both sides.

[0015] By adopting the above technical solution, the fixing plate is used to improve the overall structural strength and overall load-bearing capacity.

[0016] A further feature of this invention is that the locking assembly includes sleeves fixed to the four corners of the support plate, an annular plate fixed to the bottom of the sleeve, multiple locking plates fixed along the circumference of the annular plate, a movable gap between adjacent locking plates, a locking block with a triangular cross-section fixed to the upper end of the locking plate, a through hole leading to the inner cavity of the sleeve at the upper end, an internal thread on the inner wall of the through hole, a sleeve rod rotatably mounted at the through hole, an external thread on the outer wall of the sleeve rod that mates with the internal thread, the sleeve rod communicating with the inner cavity of the sleeve, an inner oblique cut surface on the inner wall of the sleeve rod located inside the sleeve that mates with the locking block, and a connecting rod hinged to the bottom of the third bed frame, which passes through the sleeve rod and extends between the multiple locking plates.

[0017] By adopting the above technical solution, when fixing the support plate and the third bed frame, the connecting rod is rotated so that the ends of multiple connecting rods are inserted into the sleeve in sequence and positioned between multiple locking plates. The sleeve is rotated, and the sleeve moves downward under the cooperation of the internal and external threads. The inner oblique cut surface cooperates with the locking block to push the locking block and locking plate towards the connecting rod, until multiple locking plates are pressed against the outer circumference of the connecting rod, so that the locking plate, sleeve, support plate, etc. are relatively fixed with the connecting rod and the third bed frame, thereby realizing the rapid installation of the support plate and the second support frame on the third bed frame, so that the second support frame supports the third bed frame.

[0018] A further feature of this invention is that the locking plate is an elastic plate.

[0019] By adopting the above technical solution, multiple locking plates and locking blocks are outwardly extended (outwardly extending away from the center of the annular plate) when not squeezed by the bottom end of the sleeve rod; when the sleeve rod is rotated and descends, the inner beveled surface cooperates with the locking block to push the locking block and locking plate to move closer to the connecting rod and fix the connecting rod; when the sleeve rod is rotated in the opposite direction, the sleeve rod rises relative to the sleeve, the inner beveled surface no longer squeezes the locking block, and the end of the locking plate expands slightly outward again under its own elastic force, no longer squeezing the connecting rod. At this time, the connecting rod can be easily removed from the sleeve, thereby disassembling the support plate and the second support frame from the bottom of the third bed frame, which facilitates the folding of the third bed frame.

[0020] A further feature of this invention is that the third bed frame has a second storage groove at each of its four bottom corners, and the upper end of the connecting rod is fixed with a rotating rod that is rotatably connected to the inner wall of the second storage groove.

[0021] By adopting the above technical solution, the connecting rod can be turned out from the second storage slot to connect the support plate and the second support frame, or the connecting rod can be turned into the second storage slot after folding the third bed frame, so as to avoid affecting the user's use.

[0022] A further feature of this invention is that a rotating plate is fixed at one end of the sleeve rod located outside the sleeve.

[0023] By adopting the above technical solution, the rotating plate facilitates the rotation of the sleeve rod.

[0024] The beneficial effects of this utility model are as follows: When folding, the support plate and the second support frame are removed from the bottom of the third bed frame through the locking assembly. The third bed frame is rotated while holding the second bed frame until it is folded at the bottom of the second bed frame. Then, the second and third bed frames are rotated simultaneously while holding the first bed frame until the second bed frame is folded at the top of the first bed frame. The final state is that the third bed frame, the second bed frame and the first bed frame are arranged from top to bottom on the first support frame, so that the bed frame can be folded into a seat to meet the needs of multi-functional use. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the structure of this utility model.

[0027] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0028] Figure 3 This is a schematic diagram of the bottom structure of this utility model.

[0029] Figure 4 This is a schematic diagram showing the connection relationship between the third bed frame, connecting rod, and support plate in this utility model.

[0030] Figure 5 This is a schematic diagram of the connection relationship between the connecting rod and the sleeve in this utility model.

[0031] In the diagram, 1. First support frame; 101. Handrail frame; 102. Connecting plate; 103. First vertical support rod; 104. First roller; 105. Diagonal support rod; 106. Horizontal support rod; 107. Limiting groove; 2. First bed frame; 3. Second bed frame; 4. Third bed frame; 5. Locking assembly; 501. Sleeve; 502. Annular plate; 503. Locking plate; 504. Locking block; 505. Internal thread; 506. Sleeve rod; 507. External thread; 508. Internal oblique cut surface; 509. Connecting rod; 6. Support plate; 7. Second support frame; 701. Connecting frame; 702. Fixing plate; 703. Arc-shaped support rod; 704. Second vertical support rod; 705. Second roller; 8. Backrest; 9. First storage slot; 10. Limiting rod; 11. Second storage slot; 12. Rotating rod; 13. Rotating plate. Detailed Implementation

[0032] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0033] Example 1: A novel folding bed and chair, such as Figure 1-5 As shown, it includes a first support frame 1, a first bed frame 2 fixed on the first support frame 1, a second bed frame 3 hinged to one side of the first bed frame 2, a third bed frame 4 hinged to the side of the second bed frame 3 away from the first bed frame 2, a support plate 6 connected to the bottom of the third bed frame 4 by a locking assembly 5, and a second support frame 7 fixed to the bottom of the support plate 6.

[0034] Furthermore, the first support frame 1 includes armrests 101 located on both sides of the first bed frame 2, a connecting plate 102 fixed between the two armrests 101, the first bed frame 2 fixed on the connecting plate 102, and a backrest 8 fixed on the side of the first bed frame 2 away from the second bed frame 3.

[0035] Furthermore, a first vertical support rod 103 is fixed to one end of the armrest 101 near the backrest 8, and a first roller 104 is installed at the bottom end of the first vertical support rod 103. An oblique support rod 105 is fixed to one end of the armrest 101 near the second bed frame 3.

[0036] Furthermore, a horizontal support rod 106 is fixed on the inclined support rod 105, and a limiting groove 107 is provided on the horizontal support rod 106. The second bed frame 3 has a first storage groove 9 on both sides, and a limiting rod 10 embedded in the limiting groove 107 is hinged in the first storage groove 9.

[0037] Furthermore, the second support frame 7 includes connecting frames 701 located on both sides of the third bed frame 4. An arc-shaped support rod 703 bent toward the second bed frame 3 is fixed to one end of the connecting frame 701 near the second bed frame 3, and a second vertical support rod 704 is fixed to the other end of the connecting frame 701 away from the arc-shaped support rod 703. Both the arc-shaped support rod 703 and the second vertical support rod 704 are equipped with second rollers 705 at their bottom ends.

[0038] Furthermore, fixing plates 702 are fixedly connected between the two arc-shaped support rods 703 and between the two second vertical support rods 704.

[0039] Furthermore, the locking assembly 5 includes sleeves 501 fixed to the four corners of the support plate 6. An annular plate 502 is fixed to the bottom of the sleeve 501. Multiple locking plates 503 are fixed along the circumference of the annular plate 502. There is a movable gap between two adjacent locking plates 503. A locking block 504 with a triangular cross-section is fixed to the upper end of the locking plate 503. The upper end of the sleeve 501 is provided with a through hole leading to its inner cavity. The inner wall of the through hole is provided with an internal thread 505. A sleeve rod 506 is rotatably provided at the through hole. The outer wall surface of the sleeve rod 506 is provided with an external thread 507 that mates with the internal thread 505. The sleeve rod 506 communicates with the inner cavity of the sleeve 501. The inner wall surface of the sleeve rod 506 located inside the sleeve 501 is provided with an inner oblique cut surface 508 that mates with the locking block 504. A connecting rod 509 is hinged to the bottom of the third bed frame 4, passing through the sleeve rod 506 and extending between the multiple locking plates 503.

[0040] Furthermore, the locking plate 503 is configured as an elastic plate.

[0041] Furthermore, the third bed frame 4 has a second storage groove 11 at the four corners of its bottom, and the upper end of the connecting rod 509 is fixed with a rotating rod 12 that is rotatably connected to the inner wall of the second storage groove 11.

[0042] Furthermore, a rotating plate 13 is fixed to one end of the sleeve 506 outside the sleeve 501.

[0043] Working principle: When the first bed frame 2, the second bed frame 3, and the third bed frame 4 are on the same horizontal line, it is convenient for the user to lie down and rest. When folding, first remove the support plate 6 and the second support frame 7 from the bottom of the third bed frame 4 through the locking component 5. Hold the second bed frame 3 and rotate the third bed frame 4 until the third bed frame 4 is folded at the bottom of the second bed frame 3. Then hold the first bed frame 2 and rotate the second bed frame 3 and the third bed frame 4 at the same time until the second bed frame 3 is folded at the top of the first bed frame 2. The final state is that the third bed frame 4, the second bed frame 3, and the first bed frame 2 are arranged from top to bottom on the first support frame 1, realizing the folding of the bed frame into a seat to meet the needs of multi-functional use.

[0044] When unfolded into a bed frame, rotate the second bed frame 3 and the third bed frame 4 in opposite directions to align the first bed frame 2, the second bed frame 3, and the third bed frame 4 on the same horizontal line. When the second bed frame 3 is flattened, grasp the limiting rod 10 and rotate it out of the limiting groove 107. When the second bed frame 3 is horizontal, the limiting rod 10 is embedded in the limiting groove 107, and the horizontal support rod 106 and the first support frame 1 provide stable support for the second bed frame 3. When the third bed frame 4 is unfolded, the support plate 6 and the second support frame 7 are located at the bottom of the third bed frame 4. Rotate the connecting rod 509 so that the ends of the multiple connecting rods 509 are sequentially inserted into the sleeve 50. 1. Located between multiple locking plates 503, the rotating sleeve 506 moves downward with the cooperation of the internal thread 505 and the external thread 507. The inner oblique surface 508 cooperates with the locking block 504 to push the locking block 504 and the locking plate 503 towards the connecting rod 509, so that the multiple locking plates 503 are pressed against the outer circumference of the connecting rod 509, so that the locking plate 503, sleeve 501, support plate 6, etc. are relatively fixed with the connecting rod 509 and the third bed frame 4, thereby realizing the rapid installation of the support plate 6 and the second support 7 on the third bed frame 4, so that the second support 7 supports the third bed frame 4.

[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel folding bed and chair, comprising a first support frame (1), characterized in that: A first bed frame (2) is fixed on the first support frame (1). A second bed frame (3) is hinged to one side of the first bed frame (2). A third bed frame (4) is hinged to the side of the second bed frame (3) away from the first bed frame (2). A support plate (6) is connected to the bottom of the third bed frame (4) through a locking assembly (5). A second support frame (7) is fixed to the bottom of the support plate (6).

2. The novel folding bed and chair according to claim 1, characterized in that: The first support frame (1) includes armrests (101) located on both sides of the first bed frame (2), a connecting plate (102) is fixed between the armrests (101) on both sides, the first bed frame (2) is fixed on the connecting plate (102), and a backrest (8) is fixed on the side of the first bed frame (2) away from the second bed frame (3).

3. A novel folding bed and chair according to claim 2, characterized in that: The armrest frame (101) is fixed with a first vertical support rod (103) at one end near the backrest (8), and a first roller (104) is installed at the bottom end of the first vertical support rod (103). The armrest frame (101) is fixed with an oblique support rod (105) at one end near the second bed frame (3).

4. A novel folding bed and chair according to claim 3, characterized in that: A horizontal support rod (106) is fixed on the inclined support rod (105). A limiting groove (107) is provided on the horizontal support rod (106). A first storage groove (9) is provided on both sides of the second bed frame (3). A limiting rod (10) is hinged in the first storage groove (9) and embedded in the limiting groove (107).

5. A novel folding bed and chair according to claim 1, characterized in that: The second support frame (7) includes connecting frames (701) located on both sides of the third bed frame (4). An arc-shaped support rod (703) bent toward the second bed frame (3) is fixed to one end of the connecting frame (701) near the second bed frame (3). A second vertical support rod (704) is fixed to one end of the connecting frame (701) away from the arc-shaped support rod (703). A second roller (705) is installed at the bottom end of both the arc-shaped support rod (703) and the second vertical support rod (704).

6. A novel folding bed and chair according to claim 5, characterized in that: A fixing plate (702) is fixedly connected between the arc-shaped support rods (703) on both sides and between the second vertical support rods (704) on both sides.

7. A novel folding bed and chair according to claim 1, characterized in that: The locking assembly (5) includes sleeves (501) fixed to the four corners of the support plate (6). An annular plate (502) is fixed to the bottom of the sleeve (501). Multiple locking plates (503) are fixed along the circumference of the annular plate (502). A gap is left between adjacent locking plates (503). A locking block (504) with a triangular cross-section is fixed to the upper end of each locking plate (503). A through hole leading to the inner cavity is provided at the upper end of the sleeve (501). An internal thread (505) is provided on the inner wall of the through hole. A sleeve rod (506) is rotatably mounted at the through hole. The outer wall of the sleeve rod (506) is provided with an external thread (507) that mates with the internal thread (505). The sleeve rod (506) communicates with the inner cavity of the sleeve (501). The inner wall of the sleeve rod (506) located inside the sleeve (501) is provided with an inner oblique cut surface (508) that mates with the locking block (504). The bottom of the third bed frame (4) is hinged with a connecting rod (509) that passes through the sleeve rod (506) and extends between multiple locking plates (503).

8. A novel folding bed and chair according to claim 7, characterized in that: The locking plate (503) is configured as an elastic plate.

9. A novel folding bed and chair according to claim 7, characterized in that: The third bed frame (4) has a second storage groove (11) at the four corners of its bottom, and the upper end of the connecting rod (509) is fixed with a rotating rod (12) that is rotatably connected to the inner wall of the second storage groove (11).

10. A novel folding bed and chair according to claim 7, characterized in that: The sleeve rod (506) has a rotating plate (13) fixed at one end outside the sleeve (501).

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