Multifunctional bed support

Abstract

The utility model relates to a multifunctional bed support which comprises a bottom frame and a footrest telescopic device, the footrest telescopic device comprises an installation frame movably connected to the front end of the bottom frame, the installation frame is provided with a footrest telescopic device body, the left side and the right side of the installation frame are movably connected with driving arms respectively, and the driving arms are connected with the footrest telescopic device body. Connecting rod mechanisms are arranged on the left side and the right side of the bottom frame respectively, the tail ends of the driving arms on the left side and the right side are connected with the connecting rod mechanisms on the left side and the right side respectively, and a bed frame assembly is connected between the connecting rod mechanisms on the left side and the right side and comprises a first frame body, a second frame body, a third frame body and a fourth frame body which are movably connected end to end in sequence; the connecting rod mechanisms on the left and right sides are suitable for driving the bed frame assembly to unfold or fold; when the multifunctional bed bracket is used, the structure interference phenomenon cannot be generated, and the multifunctional bed bracket has the characteristic of small seat depth when being used as a sofa.

Description

Technical Field

[0001] The utility model relates to the technical field of bed accessories, in particular to a multifunctional bed bracket. Background Art

[0002] The multifunctional bed support of the prior art includes a base frame and a footrest extension and retraction device, the footrest extension and retraction device includes a mounting frame vertically fixed to the front end of the base frame, the mounting frame is provided with a footrest extension and retraction device body, the left and right sides of the base frame are respectively provided with a connecting rod mechanism, a bed frame assembly is connected between the left and right connecting rod mechanisms, the bed frame assembly includes a first frame body, a second frame body, a third frame body and a fourth frame body that are movably connected end to end in sequence, and the left and right connecting rod mechanisms are suitable for driving the bed frame assembly to expand or fold; in an initial state, the bed frame assembly is in a folded state, the first frame body, the second frame body, the third frame body and the fourth frame body are enclosed in sequence to form a rectangle, and the mounting frame is located at the front side of the folded bed frame assembly, at this time the multifunctional bed support can realize the sofa function; after the bed frame assembly is unfolded, the first frame body, the second frame body, the third frame body and the fourth frame body are arranged in a line front to back, and the unfolded bed frame assembly is located above the mounting frame, at this time the multifunctional bed support can realize the bed function.

[0003] The multifunctional bed support of the prior art has the following problems: the mounting frame is vertically fixed to the front end of the bottom frame, and the footrest telescopic device increases the seat depth of the sofa. The increased seat depth of the sofa will make it difficult for the user's back to contact the backrest of the sofa, affecting the user's comfort. In order to allow the user's back to contact the backrest of the sofa, the backrest of the sofa needs to be designed to be thicker, which will make the sofa bloated and unsightly. Another solution is to reduce the distance between the footrest telescopic device and the folded bed frame assembly, thereby reducing the seat depth of the sofa. However, this solution will bring new problems, namely, interference will occur between the connecting rod mechanism and the mounting frame when it moves. How to reduce the seat depth of the sofa while ensuring the beauty of the sofa and non-interference of the structure has become a technical problem that technicians in this field are eager to solve. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a multifunctional bed support which does not generate structural interference when in use and has the characteristic of small seat depth when used as a sofa.

[0005] In order to solve the above technical problems, the utility model provides a multifunctional bed support, including a bottom frame and a footrest telescopic device, the footrest telescopic device includes a mounting frame movably connected to the front end of the bottom frame, the mounting frame is provided with a footrest telescopic device body, the left and right sides of the mounting frame are movably connected with driving arms, the left and right sides of the bottom frame are respectively provided with connecting rod mechanisms, the tail ends of the left and right driving arms are respectively connected to the left and right connecting rod mechanisms, a bed frame assembly is connected between the left and right connecting rod mechanisms, the bed frame assembly includes a first frame body and a second frame body that are movably connected head to tail in sequence The first frame, the second frame, the third frame and the fourth frame, and the connecting rod mechanisms on the left and right sides are suitable for driving the bed frame assembly to unfold or fold; in the initial state, the bed frame assembly is in a folded state, and the first frame, the second frame, the third frame and the fourth frame are enclosed in sequence to form a rectangle, and the mounting frame is vertically arranged and located on the front side of the folded bed frame assembly; when the bed frame assembly is unfolded, the connecting rod mechanism drives the mounting frame to swing forward and tilt, and after the bed frame assembly is unfolded, the first frame, the second frame, the third frame and the fourth frame are arranged in a line front to back, and the unfolded bed frame assembly is located above the mounting frame.

[0006] Further preferably, the footrest retractable device body includes a retractable component and a driving device arranged on the mounting frame, and the driving device is used to drive the retractable component to extend or contract. When the retractable component is extended, the user's legs and feet can be lifted, and when the retractable component is contracted, the user's legs and feet can be dropped.

[0007] Further preferably, the connecting rod mechanism includes a first flip assembly, a second flip assembly, and a third flip assembly, the first flip assembly and the second flip assembly are connected, the first flip assembly is used to drive the first frame and the second frame to rotate relative to each other, the first flip assembly is actuated to link the second flip assembly to actuate, the second flip assembly is used to drive the second frame and the third frame to rotate relative to each other, the third flip assembly is used to drive the third frame to perform lifting and lowering movements and the third frame and the fourth frame to rotate relative to each other.

[0008] Further preferably, the first flip assembly includes a rotating rod arranged on the second frame body, one end of the rotating rod is movably connected to a swing arm, the end of the swing arm away from the rotating rod is movably connected to a bending rod, the bending rod is rotatably arranged on the first frame body, the end of the bending rod away from the swing arm is provided with a connecting rod extending in a bending direction away from the bending rod, the end of the connecting rod away from the bending rod is provided with a support leg, the bending rod is provided with a limiting shaft extending toward the first frame body, a hand pull rod is provided between the left and right support legs, and support shafts are respectively provided on the left and right sides of the fourth frame body; after the bed frame assembly is unfolded, the support legs are supported on the ground, the limiting shaft is abutted against the first frame body and is located above the first frame body; when the bed frame assembly is in a folded state, the support legs abut against the support shaft.

[0009] Further preferably, the second flip assembly includes a second connecting rod movably connected to the other end of the rotating rod, and one end of the second connecting rod away from the rotating rod is movably connected to the third frame.

[0010] Further preferably, the third flip assembly includes a Z-shaped front rocker and a rear rocker movably connected to the bottom frame, the tail end of the driving arm is movably connected to the Z-shaped front rocker, the middle part of the Z-shaped front rocker is movably connected to the first connecting rod, the end of the first connecting rod away from the Z-shaped front rocker is movably connected to the middle part of the rear rocker, the end of the rear rocker away from the bottom frame is movably connected to the fourth frame, the end of the Z-shaped front rocker away from the bottom frame is movably connected to the third frame, the end of the Z-shaped front rocker away from the bottom frame extends out a rocker arm, the end of the rocker arm away from the Z-shaped front rocker is movably connected to a pull rod, and the end of the pull rod away from the rocker arm is movably connected to the second frame.

[0011] The beneficial effects of the present invention are as follows: when the bed frame assembly is unfolded, the connecting rod mechanism drives the mounting frame to swing forward and tilt, and the tilted footrest telescopic device will not interfere with the moving connecting rod mechanism, so the distance between the footrest telescopic device and the folded bed frame assembly can be designed to be smaller, thereby achieving the effect of reducing the sofa seat depth; the multifunctional bed support of the present invention will not produce structural interference when in use, and has the characteristic of a small seat depth when used as a sofa. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to clearly illustrate the innovative principle of the utility model and its advantages over existing multifunctional bed supports, possible embodiments are described below by way of non-limiting examples applying the principle with the aid of the accompanying drawings. In the drawings:

[0013] Figure 1 This is a schematic diagram of the multifunctional bed support of the present invention in the sofa function state;

[0014] Figure 2 for Figure 1 The main view;

[0015] Figure 3 is a three-dimensional diagram of the footrest retractable device in an extended state;

[0016] Figure 4 for Figure 3 The main view;

[0017] Figure 5 is a three-dimensional diagram of the bed frame assembly when unfolded;

[0018] Figure 6 for Figure 5 The main view;

[0019] Figure 7 This is a schematic diagram of the multifunctional bed support of the present invention in the bed function state;

[0020] Figure 8 for Figure 7 The main view;

[0021] Figure 9 1 is an exploded view of the bed frame assembly. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0024] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances. Example 1

[0026] like Figure 1-9A multifunctional bed support comprises a bottom frame 1 and a footrest telescopic device, the footrest telescopic device comprises a mounting frame 2 movably connected to the front end of the bottom frame 1, the mounting frame 2 is provided with a footrest telescopic device body 3, the left and right sides of the mounting frame 2 are movably connected with driving arms 4, the bottom of the bottom frame 1 is provided with at least three supporting feet, the left and right sides of the bottom frame 1 are respectively provided with connecting rod mechanisms, the tail ends of the left and right driving arms 4 are respectively connected to the left and right connecting rod mechanisms, a bed frame assembly is connected between the left and right connecting rod mechanisms, the bed frame assembly comprises a first frame body 6 and a second frame body 6 which are movably connected head to tail in sequence. 7. The third frame 8 and the fourth frame 9, the connecting rod mechanisms on the left and right sides are suitable for driving the bed frame assembly to unfold or fold; in the initial state, the bed frame assembly is in a folded state, and the first frame 6, the second frame 7, the third frame 8 and the fourth frame 9 are enclosed in sequence to form a rectangle, and the mounting frame 2 is vertically arranged and located on the front side of the folded bed frame assembly; when the bed frame assembly is unfolded, the connecting rod mechanism drives the mounting frame 2 to swing forward and tilt. After the bed frame assembly is unfolded, the first frame 6, the second frame 7, the third frame 8 and the fourth frame 9 are arranged in a line front to back, and the unfolded bed frame assembly is located above the mounting frame 2.

[0027] Preferably, the footrest telescopic device body 3 includes a telescopic component and a driving device arranged on the mounting frame 2, and the driving device is used to drive the telescopic component to extend or contract. When the telescopic component is extended, the user's legs and feet can be lifted, and when the telescopic component is contracted, the user's legs and feet can be dropped.

[0028] Preferably, the connecting rod mechanism includes a first flip assembly 10, a second flip assembly 11, and a third flip assembly 12. The first flip assembly 10 and the second flip assembly 11 are connected. The first flip assembly 10 is used to drive the first frame 6 and the second frame 7 to rotate relative to each other. When the first flip assembly 10 is actuated, the second flip assembly 11 is linked to the actuation. The second flip assembly 11 is used to drive the second frame 7 and the third frame 8 to rotate relative to each other. The third flip assembly 12 is used to drive the third frame 8 to perform lifting and lowering movements and the third frame 8 and the fourth frame 9 to rotate relative to each other.

[0029] Preferably, the first flip assembly 10 includes a rotating rod 18 arranged on the second frame body 7, one end of the rotating rod 18 is movably connected to a swing arm 20, and the end of the swing arm 20 away from the rotating rod 18 is movably connected to a bending rod 21, and the bending rod 21 is rotatably arranged on the first frame body 6, and the end of the bending rod 21 away from the swing arm 20 is provided with a connecting rod 22 extending in a bending direction away from the bending rod 21, and the end of the connecting rod 22 away from the bending rod 21 is provided with a supporting leg 23, and the bending rod 21 is provided with a limiting shaft 24 extending toward the first frame body 6, and a hand pull rod 26 is provided between the left and right support legs 23, and the left and right sides of the fourth frame body 9 are respectively provided with support shafts 25; after the bed frame assembly is unfolded, the support legs 23 are supported on the ground, and the limiting shaft 24 is against the first frame body 6 and is located above the first frame body 6; when the bed frame assembly is in a folded state, the support legs 23 are against the support shaft 25.

[0030] Preferably, the second flip assembly 11 includes a second connecting rod 19 movably connected to the other end of the rotating rod 18 , and one end of the second connecting rod 19 away from the rotating rod 18 is movably connected to the third frame 8 .

[0031] Preferably, the third flip assembly 12 includes a Z-shaped front rocker 13 and a rear rocker 14 movably connected to the base frame 1, the tail end of the driving arm 4 is movably connected to the Z-shaped front rocker 13, the middle part of the Z-shaped front rocker 13 is movably connected to the first connecting rod 15, the end of the first connecting rod 15 away from the Z-shaped front rocker 13 is movably connected to the middle part of the rear rocker 14, the end of the rear rocker 14 away from the base frame 1 is movably connected to the fourth frame 9, the end of the Z-shaped front rocker 13 away from the base frame 1 is movably connected to the third frame 8, the end of the Z-shaped front rocker 13 away from the base frame 1 extends out a rocker arm 17, the end of the rocker arm 17 away from the Z-shaped front rocker 13 is movably connected to a pull rod 16, and the end of the pull rod 16 away from the rocker arm 17 is movably connected to the second frame 7. Example 2

[0032] A method for operating the multifunctional bed support according to embodiment 1 comprises the following steps:

[0033] 1) In the initial state, if Figure 1-4 , the bed frame assembly is in a folded state, the first frame 6, the second frame 7, the third frame 8 and the fourth frame 9 are enclosed in a rectangular shape in sequence, the mounting frame 2 is vertically arranged and located at the front side of the folded bed frame assembly, the footrest retractable device uses gravity to achieve a self-locking effect, at this time the multifunctional bed support can realize the sofa function, such as Figure 3-4 When the footrest extension device is extended, the user's legs and feet can be lifted up. Figure 1-2 When the footrest retractable device is retracted, the user's legs and feet can be dropped down;

[0034] 2) If Figure 5-6 To unfold the bed frame assembly, it is necessary to pull the hand lever 26 upward by hand to drive the left and right curved rods 21 to rotate synchronously. The first flip assembly 10 drives the first frame 6 to flip upward. When the first flip assembly 10 moves, the second flip assembly 11 moves in conjunction with the movement. The second flip assembly 11 drives the second frame 7 to flip forward. The second frame 7 that flips forward drives the third flip assembly 12 to move. The Z-shaped front rocker 13 of the third flip assembly 12 swings upward, driving the mounting frame 2 to swing and tilt forward. The third frame 8 moves upward and the fourth frame 9 flips backward. Figure 7-8 After the bed frame assembly is unfolded, the first frame body 6, the second frame body 7, the third frame body 8 and the fourth frame body 9 are arranged in a line in front and back. The unfolded bed frame assembly is located above the mounting frame 2. At this time, the multifunctional bed bracket can realize the bed function.

[0035] When the bed frame assembly is unfolded, the connecting rod mechanism drives the mounting frame 2 to swing forward and tilt. The tilted footrest telescopic device will not interfere with the moving connecting rod mechanism. Therefore, the distance between the footrest telescopic device and the folded bed frame assembly can be designed to be smaller, thereby achieving the effect of reducing the sofa seat depth. The multifunctional bed support of this embodiment will not produce structural interference when used, and has the characteristic of a small seat depth when used as a sofa.

[0036] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles described in the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A multifunctional bed support, comprising a bottom frame (1) and a footrest telescopic device, characterized in that: The footrest retractable device comprises a mounting frame (2) movably connected to the front end of the bottom frame (1); the mounting frame (2) is provided with a footrest retractable device body (3); the left and right sides of the mounting frame (2) are movably connected to driving arms (4), respectively; the left and right sides of the bottom frame (1) are provided with connecting rod mechanisms, respectively; the tail ends of the left and right driving arms (4) are connected to the left and right connecting rod mechanisms, respectively; a bed frame assembly is connected between the left and right connecting rod mechanisms, and the bed frame assembly comprises a first frame body (6), a second frame body (7), a third frame body (8) and a fourth frame body (9) which are movably connected in sequence head to tail; the left and right connecting rod mechanisms are connected to the left and right connecting rod mechanisms. The rod mechanism is suitable for driving the bed frame assembly to unfold or fold; in an initial state, the bed frame assembly is in a folded state, the first frame body (6), the second frame body (7), the third frame body (8) and the fourth frame body (9) are sequentially enclosed in a rectangular shape, and the mounting frame (2) is vertically arranged and located at the front side of the folded bed frame assembly; when the bed frame assembly is unfolded, the connecting rod mechanism drives the mounting frame (2) to swing forward and tilt, and after the bed frame assembly is unfolded, the first frame body (6), the second frame body (7), the third frame body (8) and the fourth frame body (9) are sequentially arranged in a line front to back, and the unfolded bed frame assembly is located above the mounting frame (2).

2. The multifunctional bed support according to claim 1, characterized in that: The connecting rod mechanism comprises a first flip assembly (10), a second flip assembly (11), and a third flip assembly (12). The first flip assembly (10) and the second flip assembly (11) are connected. The first flip assembly (10) is used to drive the first frame (6) and the second frame (7) to rotate relative to each other. When the first flip assembly (10) moves, the second flip assembly (11) moves in conjunction with the first flip assembly (10). The second flip assembly (11) is used to drive the second frame (7) and the third frame (8) to rotate relative to each other. The third flip assembly (12) is used to drive the third frame (8) to move up and down and to drive the third frame (8) and the fourth frame (9) to rotate relative to each other.

3. The multifunctional bed support according to claim 2, characterized in that: The first flip assembly (10) comprises a rotating rod (18) arranged on the second frame (7), one end of the rotating rod (18) is movably connected to a swing arm (20), and one end of the swing arm (20) away from the rotating rod (18) is movably connected to a bending rod (21), the bending rod (21) is rotatably arranged on the first frame (6), and the end of the bending rod (21) away from the swing arm (20) is provided with a connecting rod (22) extending in a bending direction away from the bending rod (21), and the end of the connecting rod (22) away from the bending rod (21) is provided with The support legs (23) are provided on the bent rod (21) with a limit shaft (24) extending toward the first frame (6), a hand pull rod (26) is provided between the left and right support legs (23), and the left and right sides of the fourth frame (9) are respectively provided with support shafts (25); after the bed frame assembly is unfolded, the support legs (23) are supported on the ground, the limit shaft (24) is against the first frame (6) and is located above the first frame (6); when the bed frame assembly is in a folded state, the support legs (23) are against the support shaft (25).

4. The multifunctional bed support according to claim 3, characterized in that: The second flip assembly (11) comprises a second connecting rod (19) movably connected to the other end of the rotating rod (18), and an end of the second connecting rod (19) away from the rotating rod (18) is movably connected to the third frame (8).

5. The multifunctional bed support according to claim 4, characterized in that: The third flip assembly (12) includes a Z-shaped front rocker (13) and a rear rocker (14) movably connected to the bottom frame (1), the tail end of the driving arm (4) is movably connected to the Z-shaped front rocker (13), the middle part of the Z-shaped front rocker (13) is movably connected to a first connecting rod (15), and the end of the first connecting rod (15) away from the Z-shaped front rocker (13) is movably connected to the middle part of the rear rocker (14), and the rear rocker (14) is away from the bottom frame. One end of the Z-shaped front rocker (13) is movably connected to the fourth frame (9), one end of the Z-shaped front rocker (13) away from the bottom frame (1) is movably connected to the third frame (8), one end of the Z-shaped front rocker (13) away from the bottom frame (1) extends out a rocker rod (17), one end of the rocker rod (17) away from the Z-shaped front rocker (13) is movably connected to a pull rod (16), and one end of the pull rod (16) away from the rocker rod (17) is movably connected to the second frame (7).

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