CN214258675U - Folding wall bed with sofa - Google Patents

Abstract

The utility model relates to a folding wall bed with a sofa, which comprises a cabinet body and a sofa seat arranged on one side of the cabinet body, wherein one side of the cabinet body close to the sofa seat is provided with a containing cavity, and the cabinet body is provided with a bedstead capable of containing or rolling out the containing cavity; the cabinet body is provided with a driving device, the driving device synchronously controls the sofa seat to descend and controls the bed frame to rotate out of the containing cavity until the bed frame is in a horizontal state, or synchronously controls the sofa seat to ascend and controls the bed frame to rotate into the containing cavity. By adopting the technical scheme, in the using process, the folding mode is simple, the user operation is simple, and the indoor space area is greatly saved.

Description

Folding wall bed with sofa

Technical Field

The utility model belongs to the technical field of furniture, concretely relates to take foldable wall bed of sofa.

Background

Furniture refers to a large category of appliances and facilities essential for human beings to maintain normal life, engage in production practice and develop social activities. The furniture is continuously developed and innovated following the foot steps of the times, and the door is various in types, different in materials, complete in variety and different in purposes.

The furniture in the prior art is mainly large articles such as a wardrobe, a desk, a bed, a sofa and the like. In the process of home decoration layout, a bed and a sofa occupy a large using area, due to the change of living conditions, the household comfort and the demand of multifunctional articles are large, various folding bed products are put out in the market to meet the requirements of consumers, but the folding method of the existing folding bed is complex, the operation is difficult, and the volume of the folded space is large.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model aims to provide a take foldable wall bed of sofa, folding mode is simple, and user operation is simple, has greatly practiced thrift the interior space area.

In order to realize the purpose of the utility model, the utility model provides a technical scheme as follows:

a folding wall bed with a sofa comprises a cabinet body and a sofa seat arranged on one side of the cabinet body, wherein a containing cavity is formed in one side, close to the sofa seat, of the cabinet body, and a bedstead capable of containing or rotating out of the containing cavity is arranged on the cabinet body; the cabinet body is provided with a driving device, the driving device synchronously controls the sofa seat to descend and controls the bed frame to rotate out of the containing cavity until the bed frame is in a horizontal state, or synchronously controls the sofa seat to ascend and controls the bed frame to rotate into the containing cavity.

Preferably, the two driving devices are respectively arranged at two ends of the bedstead in the rotating axis direction, and the two driving devices work synchronously; the driving device comprises a mounting plate fixed on the inner wall of the cabinet body and a driving piece arranged on the mounting plate, a first connecting rod mechanism is arranged between the driving piece and the bedstead, and a second connecting rod mechanism is arranged between the first connecting rod mechanism and the sofa seat; the driving piece controls the first connecting rod mechanism to rotate, and when the first connecting rod mechanism rotates, the bedstead is controlled to rotate out of or into the containing cavity; when the first link mechanism rotates, the second link mechanism is synchronously driven to synchronously rotate, and when the second link mechanism rotates, the sofa seat is controlled to descend or ascend.

Preferably, the first link mechanism comprises a power connecting plate, a fixing plate and a transmission plate; the middle part of the power connecting plate is rotatably connected with the mounting plate through a first rotating shaft, one end of the power connecting plate is rotatably connected with the driving piece, and the other end of the power connecting plate is rotatably connected with the fixing plate; the bedstead is detachably connected to the fixed plate; one end of the transmission plate is rotatably connected with the fixed plate, and the other end of the transmission plate is rotatably connected with the mounting plate through a second rotating shaft; the rotating connection position of the transmission plate is spaced from the rotating connection position of the power connecting plate; the driving piece drives the power connecting plate to rotate around the first rotating shaft; the driving plate rotates about a second rotation axis.

Preferably, the second link mechanism comprises a support rod, a first link rod, a second link rod, a third link rod, a first connecting rod and a second connecting rod; one end of the supporting rod is fixed inside the containing cavity, and the other end of the supporting rod horizontally extends to the outer side of the containing cavity; one end of the first connecting rod is rotatably connected with the outer end part of the supporting rod, and the other end of the first connecting rod is rotatably connected with the side edge of the sofa seat; two ends of the second connecting rod are respectively and rotatably connected to the supporting rod and the side edge of the sofa seat, and the first connecting rod and the second connecting rod are parallel to each other; one end of the first linkage rod is rotatably connected to the power linkage plate, and the other end of the first linkage rod is rotatably connected to the second linkage rod; one end of the second linkage rod is rotatably connected to the mounting plate through a third rotating shaft, and the other end of the second linkage rod is rotatably connected with the third linkage rod; and one end of the third linkage rod, which is far away from the second linkage rod, is rotatably connected with the second connecting rod.

Preferably, one side of each of the two first connecting rods, which is far away from the second connecting rod, is provided with a supporting plate; when the first connecting rod rotates to the maximum angle to one side of the horizontal direction, the supporting plate is parallel and level with the supporting rod.

Preferably, a sofa backrest is arranged on one side of the bed frame close to the sofa, and when the bed frame rotates to the horizontal position, the sofa backrest is abutted against the sofa seat.

Preferably, the driving member is a first air spring, one end of a piston rod of the first air spring is connected with the fixing plate, and the other end of the piston rod of the first air spring is connected with the power connecting plate.

Preferably, an auxiliary support assembly is arranged on the lower side of the support rod, and a threaded hole is formed in the lower side of the support rod; the auxiliary supporting assembly comprises a threaded rod in a threaded hole in threaded connection, a supporting seat is arranged on the lower end face of the threaded rod, and a locking nut is in threaded connection with the threaded rod.

Preferably, a partition plate is arranged on one side, close to the power connecting plate, of the mounting plate, and the power connecting plate and the transmission plate are connected with the mounting plate through two ends of the partition plate; the power even board with form the interval between the mounting panel, first interlock pole is located the driving plate with between the mounting panel.

The utility model provides a take foldable wall bed of sofa, through bedstead, the sofa seat that sets up and drive bedstead and sofa seat pivoted drive arrangement, in the use, can regard as bed function or sofa function to use, when using as the bed function, the sofa is hidden in the bedstead below, has practiced thrift the occupation space of sofa promptly, can carry out the auxiliary stay to the bedstead simultaneously, increases foldable wall bed's life. When the multifunctional bed frame is used as a sofa, the bed frame is hidden in the containing cavity, when the multifunctional bed frame is observed from the outer side, the cabinet body hides the whole bed frame in the containing cavity, and the cabinet body can be used as a better ornament while the space is saved. At the rotation in-process, because the sofa can be along with the rotation of bedstead and adjust the height of self, when using as the bed function, perhaps when using as the sofa function, the comfort level that highly can accord with the consumer of bedstead, sofa, simultaneously, saving space more, and rotate in-process easy operation, convenience, accord with consumer's user demand.

Drawings

FIG. 1 is a schematic structural view of the foldable wall bed with sofa of the present invention when folded;

FIG. 2 is a sectional view of the foldable wall bed with sofa according to the present invention when folded;

fig. 3 is a schematic view of the driving device inside the protruding storage cavity in the folding wall bed with sofa of the present invention;

FIG. 4 is a view showing the state of the protruded frame of the foldable wall bed with sofa in the present invention when rotating;

FIG. 5 is a view showing the foldable wall bed with a sofa in which the protruded frame is rotated to the horizontal position;

fig. 6 is a schematic view of the second link mechanism protruded from the foldable wall bed with sofa of the present invention in the vertical state of the bed frame;

fig. 7 is a schematic view of the first connecting rod mechanism protruded from the foldable wall bed with sofa according to the present invention when the bed frame is in a vertical state;

fig. 8 is a schematic view of the second link mechanism protruded from the foldable wall bed with sofa according to the present invention in a state of rotating the bed frame;

fig. 9 is a schematic view of the first connecting rod mechanism protruded from the foldable wall bed with sofa according to the present invention when the bed frame is in a rotating state;

fig. 10 is a schematic view of the first connecting rod mechanism protruded from the foldable wall bed with sofa according to the present invention when the bed frame is in a horizontal state;

FIG. 11 is a schematic view of a head board of the foldable wall bed with a sofa during rotation;

FIG. 12 is a view showing the state of the protruded headboard of the foldable wall bed with sofa in the horizontal position of the bed frame;

fig. 13 is a schematic view of the protruded auxiliary supporting component in the foldable wall bed with sofa of the present invention.

Reference numbers in the figures:

100. a cabinet body; 110. a receiving cavity; 200. a sofa seat; 210. a sofa backrest; 300. a bed frame; 310. an operating handle; 320. a cabinet panel; 330. a headboard; 340. a power member;

400. a drive device; 410. mounting a plate; 411. a partition plate; 420. a drive member;

430. a first link mechanism; 431. a power connecting plate; 432. a fixing plate; 433. a drive plate; 434. a first rotating shaft; 435. a second rotating shaft;

440. a second link mechanism; 441. a support bar; 441a, a threaded hole; 442. a first linkage rod; 443. a second linkage rod; 443a, mounting holes; 444. a third linkage rod; 445. a first connecting rod; 446. a second connecting rod; 447. a third rotating shaft; 448. a support plate;

450. an auxiliary support assembly; 451. a threaded rod; 452. a supporting seat; 453. and locking the nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

The utility model provides a folding wall bed with a sofa, which is shown in the figure 1-5 and comprises a cabinet body 100 and a sofa seat 200 arranged on one side of the cabinet body 100. The cabinet 100 is provided with a receiving cavity 110 at one side close to the sofa 200, and the cabinet 100 is provided with a bed frame 300 capable of receiving or rotating out of the receiving cavity 110; the cabinet 100 is provided with a driving device 400, the driving device 400 synchronously controls the sofa 200 to descend and controls the bed frame 300 to rotate out of the receiving cavity 110 until the bed frame 300 is in a horizontal state, or synchronously controls the sofa 200 to ascend and controls the bed frame 300 to rotate into the receiving cavity 110. When in use, the utility model can be used as a sofa or a bed for people to rest. In the conversion process of the sofa function and the bed function, the sofa 200 and the frame 300 are controlled to rotate synchronously by operating the driving device 400, when the height of the sofa 200 is lowered, the frame 300 is unfolded horizontally, and when the height of the sofa 200 is raised, the frame 300 is rotated to be retracted into the receiving chamber 110. In the use process, the height is more suitable for the sofa function or the bed function, and meanwhile, the space is saved more.

Referring to fig. 3, 6 to 10, the driving units 400 are provided in one set at both ends of the bed frame 300 in the rotation axis direction, and the two sets of driving units 400 operate synchronously. Through the two sets of driving devices 400 disposed on the two sides of the bed frame 300, the bed frame 300 can be driven to rotate and the sofa seat 200 can be driven to lift more stably in the process of mutual transformation between the sofa and the bed.

Specifically, the driving device 400 includes a mounting plate 410 fixed on the inner wall of the cabinet 100, and a driving member 420 disposed on the mounting plate 410, wherein a first link mechanism 430 is disposed between the driving member 420 and the bed frame 300, and a second link mechanism 440 is disposed between the first link mechanism 430 and the sofa seat 200. In operation, the driving member 420 controls the first linkage 430 to rotate, and when the first linkage 430 rotates, the bed frame 300 is controlled to rotate out of or into the receiving cavity 110. When the first link mechanism 430 rotates, the second link mechanism 440 is synchronously driven to rotate, and when the second link mechanism 440 rotates, the sofa seat 200 is controlled to descend or ascend. In practical use, the driving member 420 works to drive the first link mechanism 430 and the second link mechanism 440 to rotate, and in the rotating process, the sofa base 200 and the bed frame 300 are driven to move synchronously, so as to realize the sofa function or the bed function of the folding wall bed.

The first link mechanism 430 includes a power link plate 431, a fixed plate 432, and a transmission plate 433.

The middle part of the power connecting plate 431 is rotatably connected with the mounting plate 410 through a first rotating shaft 434, one end of the power connecting plate 431 is rotatably connected with the driving part 420, and the other end is rotatably connected with the fixed plate 432; the middle of the power connecting plate 431 should be understood as a generalized middle, that is, any position between two ends of the power connecting plate 431 may be used, and the present invention is not limited thereto.

The fixed plate 432 is detachably connected to the frame 300, and the fixed plate may be fixedly connected by bolts.

One end of the transmission plate 433 is rotatably connected with the fixed plate 432, and the other end is rotatably connected with the mounting plate 410 through a second rotating shaft 435; specifically, the rotational connection position of the driving plate 433 is spaced apart from the rotational connection position of the power link plate 431. That is, the driving plate 433 and the power link plate 431 are spaced apart from each other at the connection position of the mounting plate 410, and are spaced apart from each other at the connection position of the fixing plate 432.

Driving piece 420 is at the during operation, because the position of mounting panel 410 is in fixed state, mounting panel 410 can not take place to rotate, when driving piece 420 drove power even board 431 and rotates, power even board 431 is rotatory around first axis of rotation 434, drive power even board 431 and rotate the in-process, the other end drives bedstead 300 upset, simultaneously, because mounting panel 410 and fixed plate 432 are connected respectively to the both ends of driving plate 433, driving plate 433 carries on spacingly to bedstead 300, make bedstead 300 can be stable emergence upset under power even board 431's drive. During flipping, the driving plate 433 rotates about the second rotation axis 435.

Through the driving plate 433 and the power connecting plate 431, the bedstead 300 can be fixed and can be turned over, and in the turning over process, the bedstead can be kept stable. The transmission plate 433 and the power connecting plate 431 occupy a small space, so that the bed frame 300 can be driven to rotate in the small space, and the space occupied by the folding wall bed in a room is reduced on the whole.

The second link mechanism 440 includes a support rod 441, a first link rod 442, a second link rod 443, a third link rod 444, a first link rod 445, and a second link rod 446.

Specifically, one end of the supporting rod 441 is fixed inside the receiving cavity 110, and the other end horizontally extends to the outer side of the receiving cavity 110; one end of the first connecting rod 445 is rotatably connected to the outer end of the supporting rod 441, and the other end is rotatably connected to the side of the sofa 200. Two ends of the second connecting rod 446 are respectively and rotatably connected to the side edges of the supporting rod 441 and the sofa seat 200, and the first connecting rod 445 and the second connecting rod 446 are parallel to each other; the sofa 200 can be horizontally rotated by the driving of the first connection rod 445 and the second connection rod 446, and in the rotating process, the sofa 200 is kept horizontal, when rotated to the highest position, the bed frame 300 can be synchronously rotated to the inside of the containing cavity 110, which is the sofa function at this time, when rotated to the lowest position, the bed frame 300 can be synchronously rotated to the horizontal position, which is the function of a bed.

One end of the first linking rod 442 is rotatably connected to the power linking plate 431, and the other end is rotatably connected to the second linking rod 443; one end of the second linking rod 443 is rotatably connected to the mounting plate 410 through the third rotating shaft 447, and the other end of the second linking rod 443 is rotatably connected to the third linking rod 444. Specifically, one end of the third link 444 is rotatably connected to the second link 443, and the other end, i.e., the end away from the second link 443, is rotatably connected to the second link 446.

During movement, the driving member 420 drives the power link plate 431 to rotate, when the power link plate 431 rotates, the first link rod 442 is driven to move to generate a displacement, and then the second link rod 443 is driven to rotate around the third rotation shaft 447, when the power link plate 431 rotates, the third link rod 444 is driven to rotate towards one side close to the second connecting rod 446 or rotate towards one side far away from the second connecting rod 446, when the third link rod 444 rotates towards one side close to the second connecting rod 446, the second connecting rod 446 is driven to rotate towards one side close to the supporting rod 441, and then the sofa 200 is driven to rotate towards one side close to the supporting rod 441 until the bedstead 300 rotates to a horizontal position. When the third linking rod 444 rotates towards the side far away from the second linking rod 446, the second linking rod 446 is driven to rotate towards the side far away from the supporting rod 441, and at this time, the sofa 200 is driven to ascend.

Further, rotate through the detachable mode between second trace 443 and the third trace 444 and connect, be equipped with a plurality of mounting holes 443a along length direction interval at second trace 443, third trace 444 can connect in different mounting holes 443a, specific rotation connected mode can adopt rotating assembly, rotating assembly is including the installation screw rod, mounting nut, and cup joint the sleeve pipe on the installation screw rod, when the installation, the sleeve pipe passes mounting hole 443a, press from both sides it fixedly through installation screw rod and mounting nut, and simultaneously, can realize rotation function.

One sides of the two first connecting rods 445 far away from the second connecting rod 446 are provided with supporting plates 448; when the first connecting rod 445 is rotated to a maximum angle to one side in the horizontal direction, the supporting plate 448 is flush with the supporting rod 441.

The side of the bed frame 300 close to the sofa 200 is provided with a sofa backrest 210, and when the bed frame 300 is rotated to the horizontal position, the sofa backrest 210 abuts against the sofa 200. When the folding wall bed is used as a sofa, the sofa backrest 210 can be used for a user to lean on, and when the folding wall bed is used as a bed, the sofa backrest 210 rotates synchronously along with the bed frame 300 and abuts against the upper side of the sofa seat 200, so that the bed frame 300 can be supported and more stable.

The driving member 420 is a first air spring, one end of a piston rod of the first air spring is connected to the fixed plate 432, and the other end is connected to the power connecting plate 431. Through the arrangement of the first air springs, when in use, the two first air springs can be controlled to work synchronously by using the controller.

The auxiliary support component 450 is arranged on the lower side of the support rod 441, and a threaded hole 441a is formed in the lower side of the support rod 441; the auxiliary support assembly 450 includes a threaded rod 451 screwed into the threaded hole 441a, a support seat 452 is provided on a lower end surface of the threaded rod 451, and a lock nut 453 is screwed onto the threaded rod 451. Because the sofa seat 200 is connected to the support rod 441 through the first connecting rod 445 and the second connecting rod 446, the lower side of the support rod 441 can be supported in an auxiliary manner through the auxiliary support assembly 450, and the service life of the support rod 441 is prolonged in the using process.

A partition 411 is arranged on one side, close to the power connecting plate 431, of the mounting plate 410, and the power connecting plate 431 and the transmission plate 433 are connected with the mounting plate 410 through the partition 411. By the provision of the partition 411, a space is formed between the power link plate 431 and the mounting plate 410, at which the first link rod 442 is installed, i.e., the first link rod 442 is located in the space between the toosendee and the mounting plate 410. During the movement, the first linkage rod 442 is spaced from the driving plate 433, and does not collide with each other when rotating. Meanwhile, through the arrangement, the first link mechanism 430 and the second link mechanism 440 are concentrated in a smaller three-dimensional space, and the installation space of the first link mechanism 430 and the second link mechanism 440 is greatly saved.

In some embodiments, an operating handle 310 is provided on a side of the bed frame 300 adjacent to the sofa sleeper 200. The bed frame 300 can be assisted to be installed and rotated by the operation handle 310.

A cabinet plate 320 is fixedly arranged on one side surface of the bed frame 300 close to the sofa seat 200, and when the bed frame 300 is positioned in the accommodating cavity 110, the cabinet plate 320 closes the accommodating cavity 110; wherein, the operating handle 310 is positioned on the upper side of the cabinet plate 320.

The bedstead 300 is close to one side of the cabinet board 320, and the end far away from the driving device 400 is rotatably connected with the headboard 330, a power element 340 is connected between the bedstead 300 and the headboard 330, the power element 340 drives the headboard 330 to rotate, when the bedstead 300 is located in the accommodating cavity 110, the power element 340 controls the headboard 330 to close the accommodating cavity 110, when the bedstead 300 rotates to the horizontal, the control element controls the headboard 330 to rotate to be vertical to the bedstead 300, and the power element 340 is a second gas spring. One end of the second gas spring is rotatably connected to the hanging plate 330, and the other end is rotatably connected to the bed frame 300.

When the sofa is used, the first air spring is controlled to work, the first air spring extends to drive the power connecting plate 431 to rotate around the first rotating shaft 434, the power connecting plate 431 drives the bedstead 300 to rotate until the inside of the accommodating cavity 110 is retracted, meanwhile, the power connecting plate 431 drives the first connecting rod 442 to transmit, the first connecting rod 442 drives the second connecting rod 443 to rotate around the third rotating shaft 447, the sofa seat 200 is driven to ascend in the rotating process to realize the sofa function, and meanwhile, the second air spring drives the headboard 330 to close the accommodating cavity 110. When the bed is used as a bed function, the first gas spring is shortened to drive the power connecting plate 431 to rotate reversely, so as to drive the bed frame 300 to rotate out of the accommodating cavity 110 until the bed frame rotates to a horizontal state, meanwhile, the power connecting plate 431 synchronously drives the first linkage rod 442 to rotate and rotate reversely, the second linkage rod 443 and the third linkage rod 444 drive the sofa seat 200 to lower, and meanwhile, the second gas spring drives the head plate 330 to rotate to be perpendicular to the bed frame 300.

The utility model provides a take foldable wall bed of sofa, through bedstead 300, sofa seat 200 that set up and drive bedstead 300 and sofa seat 200 pivoted drive arrangement 400, in the use, can regard as bed function or sofa function to use, when using as the bed function, the sofa is hidden in bedstead 300 below, has practiced thrift the occupation space of sofa promptly, can carry out the auxiliary stay to bedstead 300 simultaneously, increases foldable wall bed's life. When the bed frame 300 is used as a sofa, the cabinet 100 hides the entire bed frame 300 inside the storage cavity 110 when viewed from the outside, and the cabinet 100 can be used as an ornament while saving space. In the rotating process, since the sofa can adjust the height along with the rotation of the bed frame 300, when the sofa is used as a bed or as a sofa, the heights of the bed frame 300 and the sofa can better accord with the comfort of consumers, and simultaneously, the space is saved more. Meanwhile, the operation is carried out through the automatic control of the first air spring, the bed frame and the sofa seat, the manual operation is avoided, the operation is simple and convenient in the rotating process, and the use requirements of consumers are met.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. The folding wall bed with the sofa is characterized by comprising a cabinet body (100) and a sofa seat (200) arranged on one side of the cabinet body (100), wherein a containing cavity (110) is formed in one side, close to the sofa seat (200), of the cabinet body (100), and a bed frame (300) capable of containing or rotating out of the containing cavity (110) is arranged on the cabinet body (100);

the cabinet body (100) is provided with a driving device (400), the driving device (400) synchronously controls the sofa seat (200) to descend and controls the bed frame (300) to rotate out of the containing cavity (110) until the bed frame (300) is in a horizontal state, or synchronously controls the sofa seat (200) to ascend and controls the bed frame (300) to rotate into the containing cavity (110).

2. The folding wall bed with sofa according to claim 1, wherein the driving devices (400) are respectively provided with one set at both ends of the bed frame (300) in the rotation axis direction, and the two sets of driving devices (400) work synchronously;

the driving device (400) comprises a mounting plate (410) fixed on the inner wall of the cabinet body (100) and a driving piece (420) arranged on the mounting plate (410), a first connecting rod mechanism (430) is arranged between the driving piece (420) and the bed frame (300), and a second connecting rod mechanism (440) is arranged between the first connecting rod mechanism (430) and the sofa seat (200);

the driving piece (420) controls the first link mechanism (430) to rotate, and when the first link mechanism (430) rotates, the bedstead (300) is controlled to rotate out of or into the containing cavity (110);

when the first link mechanism (430) rotates, the second link mechanism (440) is synchronously driven to synchronously rotate, and when the second link mechanism (440) rotates, the sofa seat (200) is controlled to descend or ascend.

3. The folding wall bed with sofa of claim 2, wherein the first linkage (430) includes a power link plate (431), a fixed plate (432), and a transmission plate (433);

the middle part of the power connecting plate (431) is rotatably connected with the mounting plate (410) through a first rotating shaft (434), one end of the power connecting plate (431) is rotatably connected with the driving part (420), and the other end of the power connecting plate (431) is rotatably connected with the fixing plate (432);

the bed frame (300) is detachably connected to the fixed plate (432);

one end of the transmission plate (433) is rotatably connected with the fixed plate (432), and the other end of the transmission plate is rotatably connected with the mounting plate (410) through a second rotating shaft (435); the rotating connection position of the transmission plate (433) is separated from the rotating connection position of the power connecting plate (431);

the driving piece (420) drives the power connecting plate (431) to rotate around the first rotating shaft (434); the driving plate (433) rotates around a second rotation axis (435).

4. The folding wall bed with sofa of claim 3, wherein the second linkage (440) comprises a support bar (441), a first linkage bar (442), a second linkage bar (443), a third linkage bar (444), a first connecting bar (445), and a second connecting bar (446);

one end of the supporting rod (441) is fixed inside the containing cavity (110), and the other end of the supporting rod horizontally extends to the outer side of the containing cavity (110);

one end of the first connecting rod (445) is rotatably connected with the outer end part of the supporting rod (441), and the other end of the first connecting rod is rotatably connected with the side edge of the sofa seat (200); two ends of the second connecting rod (446) are respectively and rotatably connected to the side edges of the supporting rod (441) and the sofa seat (200), and the first connecting rod (445) and the second connecting rod (446) are parallel to each other;

one end of the first linkage rod (442) is rotatably connected to the power linkage plate (431), and the other end of the first linkage rod is rotatably connected to the second linkage rod (443); one end of the second linkage rod (443) is rotatably connected to the mounting plate (410) through a third rotating shaft (447), and the other end of the second linkage rod (443) is rotatably connected to the third linkage rod (444);

one end of the third linkage rod (444) far away from the second linkage rod (443) is rotatably connected with the second linkage rod (446).

5. The folding wall bed with sofa according to claim 4, characterized in that the side of the two first connecting rods (445) away from the second connecting rod (446) is provided with a support plate (448); when the first connecting rod (445) rotates to the maximum angle to one side of the horizontal direction, the supporting plate (448) is flush with the lower side surface of the supporting rod (441).

6. The folding wall bed with sofa of claim 1, wherein the side of the bed frame (300) close to the sofa is provided with a sofa backrest (210), and when the bed frame (300) is rotated to the horizontal position, the sofa backrest (210) abuts against the sofa seat (200).

7. The folding wall bed with sofa as claimed in claim 3, wherein the driving member (420) is a first air spring, one end of the piston rod of the first air spring is connected to the fixed plate (432), and the other end is connected to the power connecting plate (431).

8. The folding wall bed with sofa as claimed in claim 4, wherein the lower side of the support rod (441) is provided with an auxiliary support component (450), and the lower side of the support rod (441) is provided with a threaded hole (441 a);

the auxiliary supporting assembly (450) comprises a threaded rod (451) in threaded connection with the threaded hole (441a), a supporting seat (452) is arranged on the lower end face of the threaded rod (451), and a locking nut (453) is in threaded connection with the threaded rod (451).

9. The folding wall bed with the sofa as claimed in claim 4, wherein a partition (411) is provided on one side of the mounting plate (410) close to the power connecting plate (431), and the power connecting plate (431) and the transmission plate (433) are respectively connected with the mounting plate (410) through two ends of the partition (411);

the power connecting plate (431) and the mounting plate (410) form an interval, and the first linkage rod (442) is positioned between the transmission plate (433) and the mounting plate (410).

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