A foldable bed

Abstract

The application discloses a foldable bed which is sequentially divided into a first part, a second part and a third part along the length direction of the bed, and is further provided with a hinge assembly and a connecting assembly; the hinge assembly has two opposite movable parts and is connected with the first bed frame body and the second bed frame body respectively, and the two parts of the hinge assembly abut against each other along the length direction of the bed when the bed is unfolded; the connecting assembly has two opposite movable parts and is connected with the second bed frame body and the third bed frame body respectively, the third bed frame body is connected with the second bed frame body in a relatively rotatable manner through the connecting assembly, and the two parts of the connecting assembly are locked with each other through a locking part. The bed can be unfolded quickly and conveniently, and can be locked in the unfolded state quickly, and is also convenient for packaging and transportation after being folded.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bed structure, in particular to a foldable bed. BACKGROUND

[0002] At present, there are several foldable bed structures on the market. One of the bed structures can be folded in three sections. The bed is divided into a first section, a second section and a third section along the length direction of the bed. The first section, the second section and the third section are respectively provided with a first bed frame, a second bed frame and a third bed frame. The three sections can be folded for transportation. However, the existing scheme is relatively complex and inconvenient to use. SUMMARY

[0003] The purpose of the present application is to provide a foldable bed which can be folded and unfolded quickly and conveniently.

[0004] The purpose of the present application is achieved by a foldable bed. The bed body of the foldable bed comprises a bed frame and a bed board. The bed frame is rotatably foldable along the length direction of the bed. The bed board comprises a plurality of movable bed boards. At least one movable bed board is divided into two parts. A support frame is fixed to the lower surface of the movable bed board. The support frame is divided into two parts at the separation position of the movable bed board. The two parts of the support frame are rotatably connected, foldable and locked with each other when unfolded. When the movable bed board is flat, the rotation connection axis of the two parts of the support frame coincides with or is close to the rotation folding axis of the closest bed frame.

[0005] Further, a lockable locking part is arranged at the rotation connection position of the support frame. When the movable bed board and the support frame are in the unfolded state, the locking part locks the two parts of the support frame in the unfolded state.

[0006] Further, the rotation fulcrum position of the movable bed board is arranged away from the folding position of the bed frame. The rotation fulcrum axis of the movable bed board is parallel to the folding axis of the bed frame.

[0007] Further, the locking part comprises a lock seat and at least one lock pin. The lock pin is elastically connected to the lock seat by a spring. The lock seat is fixedly connected to a part of the support frame. The other part of the support frame is provided with a positioning hole corresponding to the lock pin. When the movable bed board and the support frame are in the unfolded state, the lock pin is opposite to the positioning hole of the other part of the support frame and is inserted into the positioning hole under the driving of the spring.

[0008] Further, the lock pin is at least two and is distributed around the rotation connection axis of the two parts of the support frame.

[0009] Further, the bed body is divided into a first part, a second part and a third part along the bed length direction in the folded position, the bed frame is divided into a first bed frame body, a second bed frame body and a third bed frame body, and the first bed frame body, the second bed frame body and the third bed frame body belong to the first part, the second part and the third part in sequence;

[0010] The two folded positions of the bed frame are respectively provided with a first connecting assembly and a second connecting assembly, and the bed plates can be separated from each other in the two folded positions of the bed frame;

[0011] The first bed frame body is rotatably connected to the second bed frame body through the second connecting assembly, and the third bed frame body is rotatably connected to the second bed frame body through the first connecting assembly, and the rotation pivot positions of the movable bed plates are staggered with the first connecting assembly and the second connecting assembly, and the first connecting assembly and the second connecting assembly are in a locked state when the bed is unfolded to a flat state.

[0012] Further, in the packaging state, the third part is folded relative to the second part to make the non-supporting surfaces of the bed plate parts of the two parts face each other, and the first part is folded relative to the second part to make the supporting surfaces of the bed plate parts of the two parts face each other, so that the whole bed structure is folded into a rectangular packaging structure; the first part is provided with a first electric cylinder and a first linkage group which can be folded and unfolded, the third part is provided with a second electric cylinder and a second linkage group which can be folded and unfolded, and the first bed frame body, the second bed frame body and the third bed frame body are all frame structures; in the packaging state, the second electric cylinder and the second linkage group are all folded into the gap space between the third part bed plate part and the second part bed plate part, and the third bed frame body is nested in the frame inner space of the second bed frame body, and the first electric cylinder and the first linkage group are all folded into the frame inner space of the first bed frame body.

[0013] The beneficial effects of the present application are:

[0014] 1. The present application separates at least one movable bed plate into two parts, the supporting frame of the movable bed plate is divided into two parts which are rotatably connected and locked with each other when unfolded, the rotation connecting axis of the two parts of the unfolded supporting frame coincides with or is close to the rotation folding axis of the closest bed frame, in order to facilitate folding during packaging, and the rotation pivot positions of the movable bed plate are staggered with the folding positions of the bed frame, that is, the division points of the bed plate are staggered with the folding position points of the bed frame (the division ratio of the bed plate is different from the division ratio of the bed frame), the size ratio according to the packaging is different from the size ratio according to the use function, so that the packaging function and the use function do not interfere with each other;

[0015] 2. The entire bed can be folded into a rectangular frame-like packaging structure to accommodate components such as electric cylinders and linkage assemblies for stacking, thereby making full use of the limited container space. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the present invention.

[0017] Figure 2 This is a schematic diagram of the flattened state of the present invention.

[0018] Figure 3 This is a schematic diagram of the usage state of the present invention.

[0019] Figure 4 This is a schematic diagram of the folding scheme of the present invention.

[0020] Figure 5 This is a schematic diagram of the present invention after folding.

[0021] Figure 6 yes Figure 2 Enlarged view of part A in the image.

[0022] Figure 7 yes Figure 4 Enlarged view of part B in the image.

[0023] Figure 8 This is a schematic diagram illustrating the principle of the connecting components.

[0024] Figure 9 yes Figure 2 Enlarged view of section C in the image.

[0025] Figure 10 yes Figure 4 Enlarged view of part D in the image.

[0026] Figure 11 yes Figure 5 Enlarged view of part E in the image. Detailed Implementation

[0027] The following is in conjunction with the appendix Figures 1-11 The present invention will be further described with reference to specific embodiments. This embodiment mainly focuses on the electric bed type, but the solution of this embodiment can also be extended to other types of bed structures.

[0028] like Figures 1-5As shown, a foldable bed, the bed body includes a bed frame and a bed board, the bed frame is rotatably folded along the bed length direction, the bed board includes several movable bed boards, in the folded position, the bed body is sequentially divided into a first part 1, a second part 2 and a third part 3 along the bed length direction, each part has a bed board unit and a bed frame unit, the bed frame is sequentially divided into a first bed frame body 102, a second bed frame body 202 and a third bed frame body 304, the first bed frame body 102, the second bed frame body 202 and the third bed frame body 304 belong to the first part 1, the second part 2 and the third part 3 respectively.

[0029] The two folded positions of the bed frame are respectively provided with a first connecting assembly 5 and a second connecting assembly 4, and the bed board can be separated from each other at the two folded positions of the bed frame; the first bed frame body 102 is rotatably connected to the second bed frame body 202 through the second connecting assembly 4, and the third bed frame body 304 is rotatably connected to the second bed frame body 202 through the first connecting assembly 5, the rotation pivot positions of the movable bed boards are staggered with the first connecting assembly 5 and the second connecting assembly 4, and the first connecting assembly 5 and the second connecting assembly 4 are in a locked state when the bed body is unfolded to a flat state.

[0030] As shown in Figure 2 , 4 , 9, 10 and 11, the second connecting assembly 4 has two opposite movable parts and is connected to the first bed frame body 102 and the second bed frame body 202 respectively, the first bed frame body 102 is rotatably connected to the second bed frame body 202 through the second connecting assembly 4, and the two parts of the second connecting assembly 4 abut against each other along the bed length direction when the bed body is unfolded, so as to lock the first part 1 and the second part 2.

[0031] As shown in Figure 2 , 4 , 6, 7 and 8, the first connecting assembly 5 has two opposite movable parts and is connected to the second bed frame body 202 and the third bed frame body 304 respectively, the third bed frame body 304 is rotatably connected to the second bed frame body 202 through the first connecting assembly 5, the first connecting assembly 5 is provided with a locking part, the two parts of the first connecting assembly 5 are locked to each other through the locking part when the bed body is unfolded, so as to lock the second bed frame body 202 and the third bed frame body 304 after unfolding, that is, to lock the second part 2 and the third part 3.

[0032] As shown in Figures 1-3 , in this embodiment, the first part 1 is provided with a first electric cylinder 103 and a first linkage group 104 which can be folded and unfolded, the third part 3 is provided with a second electric cylinder 305 and a second linkage group 306 which can be folded and unfolded, and the first bed frame body 102, the second bed frame body 202 and the third bed frame body 304 are all frame-shaped structures.

[0033] In this embodiment, the bed board is divided into a back board 101, a buttock board 201, a first leg board 203, a second leg board 301, and a foot board 303 from head to tail. The widths of the parts are equal or nearly equal. The back board 101 belongs to the first part 1 and is connected to the first bed frame 102. The buttock board 201 and the first leg board 203 belong to the second part 2 and are connected to the second bed frame 202. The second leg board 301 and the foot board 303 belong to the third part 3 and are connected to the third bed frame 304.

[0034] The lower surfaces of the first leg plate 203 and the second leg plate 301 are respectively fixed with a first leg plate bracket 204 and a second leg plate bracket 302. The first leg plate bracket 204 is fixedly connected to the second bed frame 202 and becomes part of the second bed frame 202. The second leg plate bracket 302 is fixedly connected to the third bed frame 304 and becomes part of the third bed frame 304.

[0035] Combination Figure 1 , 4 As shown in Figure 5, the core concept of the packaging scheme in this embodiment is as follows: In the packaged state, all bed legs 6 are removed, the third part 3 is rotated and folded relative to the second part 2 so that the non-supporting surfaces of the bed board parts of the two are facing each other, and the first part 1 is rotated and folded relative to the second part 2 so that the supporting surfaces of the bed board parts of the two are in contact, so that the entire bed structure is folded into a regular rectangular frame-shaped packaging structure with no other objects protruding outwards.

[0036] To meet the usage scenarios of electric beds, in this embodiment: in the packaged state, the second electric cylinder 305 and its second connecting rod assembly 306 are both retracted into the gap space between the third part (bed board 3) and the second part (bed board 2), and the third bed frame 304 is nested within the frame space of the second bed frame 202, so that the thickness of the entire bed body after folding is relatively small. Furthermore, the second electric cylinder 305 and its second connecting rod assembly 306 are located within the frame space of the third bed frame 304. At this time, the surfaces of the second leg plate 301 and the foot plate 303 are parallel to the surfaces of the first leg plate 203 and the buttock plate 201. The edges are aligned or nearly aligned to form the aforementioned gap space, i.e., the packaging space, into which the electric components and linkages are housed. The first electric cylinder 103 and the first linkage assembly 104 are both retracted into the frame space of the first bed frame 102, which further controls the thickness of the entire packaging structure. At this time, the support surface of the back panel 101 is in contact with the support surface of the hip panel 201 and the support surface of the first leg panel 203, and the edges are aligned or nearly aligned. Overall, the thickness of the entire bed can be controlled after folding, so as to stack it and make full use of the limited container space.

[0037] like Figure 4 , 9, 10, 11, the second connecting assembly 4 is provided with a pair of and is divided into the left and right sides of the bed body, the second connecting assembly 4 includes a connecting plate 4a and two seatings 4b which are respectively fixedly connected with the first bed frame body 102 and the second bed frame body 202, the connecting plate 4a is rotatably connected with the two seatings 4b at both ends, and the two seatings 4b are relatively abutted along the bed length direction when the bed body is unfolded; the abutting side of the seating 4b is provided with an abutting plate 4c, and the two abutting plates 4c are relatively abutted in a planar contact manner when the two seatings 4b are relatively abutted along the bed length direction, so that the abutting force can be parallel to the bed length direction, a good self-locking effect is generated, any locking mechanism is not needed, and the bed body can be stably maintained in the unfolded state; the positions of the rotating connection points at both ends of the connecting plate 4a are higher than those of the two abutting plates 4c when the bed body is unfolded, the rotating connection points at both ends of the connecting plate 4a are arranged along the bed length direction, the position of the connecting plate 4a as a whole is higher than those of the two abutting plates 4c, and corresponds to the height positions of the back plate 101 and the hip plate 201, and the abutting surfaces of the abutting plates 4c are aligned with the outer plate surfaces of the back plate 101 and the hip plate 201 as much as possible after the bed body is folded.

[0038] In the present application, at least one movable bed plate is divided into two parts (the leg plate is divided into a first leg plate 203 and a second leg plate 301), and the lower plate surface of the movable bed plate is fixed with a support frame, the support frame is divided into two relatively rotatable, foldable parts at the separation of the movable bed plate (the leg plate support frame is divided into a first leg plate support frame 204 and a second leg plate support frame 302), and the two parts of the unfolded support frame coincide or nearly coincide with the closest bed frame rotating and folding axis when the movable bed plate is unfolded (in the present embodiment, the rotating connection axes of the first leg plate support frame 204 and the second leg plate support frame 302 coincide with the rotating connection axes of the third bed frame body 304 and the second bed frame body 202), and a lockable locking part is arranged at the rotating connection of the support frame, and the locking part locks the two parts of the support frame in the unfolded state when the movable bed plate and the support frame thereof are in the unfolded state.

[0039] As shown in Figure 4 , 6 , 7, 8, the first connecting assembly 5 includes a rotating center shaft 5a, a lock seat 5c and two lock pins 5b, thereby constituting the above-mentioned locking part, the first connecting assembly 5 can be applied to the connection scheme of the first leg plate support frame 204 and the second leg plate support frame 302, and can also be applied to the connection scheme of the third bed frame body 304 and the second bed frame body 202, the first leg plate support frame 204 and the second leg plate support frame 302 are relatively rotatably connected through the rotating center shaft 5a, the third bed frame body 304 and the second bed frame body 202 are also relatively rotatably connected through the rotating center shaft 5a, and the axes of the two rotating center shafts 5a coincide or nearly coincide;

[0040] In combination with Figure 7 , 8As shown, the locking pin 5b is elastically connected to the lock seat 5c by a spring, the lock seat 5c is fixedly connected to the first leg plate support 204, the second leg plate support 302 is provided with a positioning hole corresponding to the locking pin 5b, when the leg plate and the leg plate support are in the unfolded state, the locking pin 5b is opposite to the positioning hole of the second leg plate support 302 and is inserted into the positioning hole under the driving of the spring, so that the first leg plate support 204 and the second leg plate support 302 can be locked in the unfolded state, so that the entire leg plate can be flipped up and down as a whole during use, without affecting the use function and the packaging function, and the locking pin 5b is provided with two rotation center shafts 5a which are distributed around the first leg plate support 204 and the second leg plate support 302.

[0041] The first connecting assembly 5 is also suitable for the connection scheme of the third bed body 304 and the second bed body 202, the third bed body 304 is rotatably connected to the second bed body 202 through the rotation center shaft 5a; each first connecting assembly 5 further includes a lock seat 5c and two locking pins 5b, the locking pin 5b is elastically connected to the lock seat 5c by a spring, the lock seat 5c is fixedly connected to the second bed body 202, the third bed body 304 is provided with a positioning hole corresponding to the locking pin 5b, when the bed body is unfolded, the locking pin 5b is opposite to the positioning hole of the third bed body 304 and is inserted into the positioning hole under the driving of the spring; the two locking pins 5b are distributed around the rotation center shaft 5a and are distributed vertically, which can generate effective locking torque and reduce the angle error after unfolding, and the axes of the two locking pins 5b are different from the axis of the rotation center shaft 5a.

[0042] After productizing the core scheme of the above paragraph, a specific scheme is proposed in this embodiment, the first connecting assembly 5 has four sets, two of which are respectively connected to the left and right sides of the first leg plate support 204 and the second leg plate support 302 (the lock seat 5c is fixedly connected to the first leg plate support 204), and the other two are respectively connected to the left and right sides of the second bed body 202 and the third bed body 304, combined with the above-mentioned second connecting assembly 4, the first connecting assembly 5 and the second connecting assembly 4 are arranged on the left and right sides of the bed body respectively, and the first connecting assembly 5 and the second connecting assembly 4 are arranged on the left and right sides of the bed body respectively. Figure 3 As shown, during packaging, the second leg plate 301 is rotated relative to the first leg plate 203, so that the first leg plate 203 and the second leg plate 301 are folded relative to each other, but after unfolding during use, the locking part of the first connecting assembly 5 locks the first leg plate support 204 and the second leg plate support 302 relative to each other, that is, the locking pin 5b is inserted into the positioning hole of the second leg plate support 302, so that the support surfaces of the first leg plate 203 and the second leg plate 301 are always flush during use, which can distinguish the physical division position of the functional part of the product from the division position required by the packaging and folding. In this embodiment, the rotation pivot positions of all movable bed plates are arranged staggered with the folding positions of the bed frame, and the rotation pivot axes of the movable bed plates are parallel to the folding axes of the bed frame. The rotation pivot positions of the movable bed plates are distributed staggered with the first connecting assembly 5 and the second connecting assembly 4.

[0043] The rotation connecting structure of the second leg plate support 302 and the second part 2 can be arranged on the hip plate 201 or the second bed frame body 202. The rotation shaft of the back plate 101 can be arranged on the first bed frame body 102. The back plate 101, the first bed frame body 102, the first connecting rod group 104 and the first electric cylinder 103 can form an independent movement module, and then the independent movement module is connected with the second part 2 through the second connecting assembly 4. The scheme can have other alternative schemes. Regardless of how the scheme is changed, as long as the scheme does not deviate from the core idea of the present application, the scheme is within the protection scope of the present application.

[0044] After the product is produced, the bed cover of the whole bed can be divided into two parts according to the folding line between the second part 2 and the third part 3, instead of three parts. The two bed covers are attached to each other at the joint after being unfolded, and form a complete bed surface and side surface, so that the appearance of the whole bed is more beautiful.

[0045] The embodiment can distinguish the physical division position of the functional components of the product from the division position required by the folding and packaging, so that the packaging size can be greatly reduced (according to the size standard of international popular goods transportation), the transportation cost is reduced, the goods carrying, home entering and other operations are facilitated, and the labor cost is reduced.

[0046] The above is the preferred embodiment of the present application. Those skilled in the art can also make various transformations or improvements on the basis of the embodiment, such as the structure and layout of the bed plate and the bed frame. As long as the transformations or improvements do not deviate from the general concept of the present application, the transformations or improvements should belong to the protection scope of the present application.

Claims

1. A foldable bed, the bed body of which comprises a bed frame and a bed board, the bed frame being rotatably foldable along the length direction of the bed, the bed board comprising a plurality of movable bed boards, characterized in that, The bed body is divided into a first part (1), a second part (2) and a third part (3) along the length direction of the bed in sequence in the folded position, and the bed frame is divided into a first bed frame body (102), a second bed frame body (202) and a third bed frame body (304) in sequence; The movable bed plate is divided into a back plate (101), a hip plate (201), a first leg plate (203), a second leg plate (301) and a foot plate (303) in sequence from the head to the tail, the back plate (101) belongs to the first part (1) and is connected with the first bed frame body (102), the hip plate (201) and the first leg plate (203) belong to the second part (2) and are connected with the second bed frame body (202), and the second leg plate (301) and the foot plate (303) belong to the third part (3) and are connected with the third bed frame body (304); The lower plate surface of the first leg plate (203) and the second leg plate (301) is respectively fixed with a first leg plate support (204) and a second leg plate support (302), the first leg plate support (204) is fixedly connected with the second bed frame body (202) and becomes a part of the second bed frame body (202), and the second leg plate support (302) is fixedly connected with the third bed frame body (304) and becomes a part of the third bed frame body (304); The first connecting assembly (5) has two opposite movable parts and is connected with the second bed frame body (202) and the third bed frame body (304) respectively, the third bed frame body (304) is rotatably connected with the second bed frame body (202) through the first connecting assembly (5), the first connecting assembly (5) is provided with a locking portion, the two parts of the first connecting assembly (5) are locked with each other through the locking portion when the bed body is unfolded, so that the second bed frame body (202) and the third bed frame body (304) can be locked with each other after being unfolded, that is, the second part (2) and the third part (3) are locked; The second connecting assembly (4) has two opposite movable parts and is connected with the first bed frame body (102) and the second bed frame body (202) respectively, the first bed frame body (102) is rotatably connected with the second bed frame body (202) through the second connecting assembly (4), and the two parts of the second connecting assembly (4) abut against each other along the length direction of the bed when the bed body is unfolded, so as to lock the first part (1) and the second part (2); The first connecting assembly (5) comprises a rotating center shaft (5a), a lock seat (5c) and two lock pins (5b), the first leg plate support (204) and the second leg plate support (302) are rotatably connected through the rotating center shaft (5a), and the third bed frame body (304) and the second bed frame body (202) are also rotatably connected through the rotating center shaft (5a).

2. A foldable bed according to claim 1, wherein: The lock pin (5b) is elastically connected with the lock seat (5c) through a spring, one part of the bed frame body is fixedly connected with the lock seat (5c), the other part of the bed frame body is provided with a positioning hole corresponding to the lock pin (5b), and when the movable bed plate and the bed frame body thereof are in the unfolded state, the lock pin (5b) faces the positioning hole of the other part of the bed frame body and is inserted into the positioning hole under the driving of the spring.

3. A foldable bed according to claim 2, wherein: The lock pin (5b) is provided with at least two and is distributed around the rotating connection shaft of the two parts of the bed frame body.

4. A foldable bed according to claim 1, wherein: In the packaging state, the third part (3) is folded and unfolded relative to the second part (2) to make the non-supporting surfaces of the bed board parts of the two parts opposite to each other, and the first part (1) is folded and unfolded relative to the second part (2) to make the supporting surfaces of the bed board parts of the two parts close to each other, so that the whole bed structure is folded into a rectangular frame-shaped packaging structure.

5. A foldable bed according to claim 4, wherein: The first part (1) is provided with a first electric cylinder (103) and a first linkage group (104) which can be folded and unfolded, the third part (3) is provided with a second electric cylinder (305) and a second linkage group (306) which can be folded and unfolded, and the first bed frame body (102), the second bed frame body (202) and the third bed frame body (304) are all frame-shaped structures, in the packaging state, the second electric cylinder (305) and the second linkage group (306) are all folded into the gap space between the bed board part of the third part (3) and the bed board part of the second part (2), and the third bed frame body (304) is nested in the frame inner space of the second bed frame body (202), and the first electric cylinder (103) and the first linkage group (104).

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