CN114680502A - multifunctional sofa - Google Patents

Abstract

The invention discloses a multifunctional sofa, which comprises a first unit and two side units, wherein the two side units are respectively called a second unit and a third unit, and the second unit and the third unit are respectively arranged at two ends of the first unit; the first unit comprises a framework and a wrapping part, the framework comprises a first frame body and a second frame body, the first frame body is arranged on the left side of the second frame body, a hinge shaft at the hinged part of the first frame body and the second frame body is called a first hinge shaft, the first hinge shaft extends forwards and backwards, and a locking device is connected between the first frame body and the second frame body; the side unit is provided with a flexible section, and the flexible section is connected between the first unit and the side unit. The first frame body and the second frame body are hinged, so that the first frame body and the second frame body can be adjusted to be flat when the lying cushion is used, and the function of the lying cushion is realized; the hinge joint of the first frame body and the second frame body is lifted, then the current shape is fixed through the locking device, and therefore the first unit can serve as a backrest and the side unit serves as a seat cushion, and the function of the seat is achieved.

Description

multifunctional sofa

technical field

The invention relates to the field of furniture, in particular to a multifunctional sofa.

Background technique

With the increasing demand for diversification and personalization of sofas, modular sofas are designed and manufactured. However, the existing modular sofa can only simply change the placement position of each module, only change the shape of the occupied area, cannot change the occupied area, and cannot realize the change of the use function, and still cannot meet the needs of customers.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a multifunctional sofa.

The multifunctional sofa according to the embodiment of the present invention includes a first unit and two side units, the two side units are respectively referred to as the second unit and the third unit, and the second unit and the third unit are respectively set At both ends of the first unit, the orientation of the second unit relative to the third unit is the left; the first unit includes a frame and a wrapping part, and the wrapping part wraps around the frame. On the outside, the frame includes a first frame body and a second frame body, the first frame body is arranged on the left side of the second frame body, and the first frame body and the second frame body are hinged and hinged The hinge shaft at 1 is called the first hinge shaft, the first hinge shaft is arranged to extend forward and backward, a locking device is connected between the first frame body and the second frame body; the side unit is provided with a flexible section , the flexible segment is connected between the first unit and the side unit.

The multifunctional sofa according to the embodiment of the present invention has at least the following technical effects: by setting the first frame body and the second frame body to be hinged, the first frame body and the second frame body can be adjusted to be flat during use, and at this time, more The functional sofa is flat as a whole and can be used for lying down and rest, realizing the function of a reclining cushion; when in use, it can also lift the hinge between the first frame body and the second frame body, so that the first unit is in an upside-down "V" shape. Then, the current shape is fixed by the locking device, so that the first unit can be used as a backrest, the side unit can be used as a seat cushion, and the two sides of the multi-functional sofa can be used for people to sit respectively, so as to realize the function of the seat, and at the same time reduce the floor space, which is convenient for people to sit on. Make room for events when guests visit.

According to some embodiments of the present invention, the locking device includes a first gear, a second gear, a second rotating shaft, a hand wheel, a friction plate and a knob, the first gear is linked with the second gear, and the first gear is linked with the second gear. A gear is coaxial with the first hinge shaft, the first gear is fixedly connected with the first frame body; the second rotating shaft and the friction plate are both arranged on the second frame body, the first Both the second gear and the hand wheel are sleeved on the outside of the second rotating shaft, the second gear and the hand wheel rotate coaxially, the second rotating shaft penetrates the wrapping portion from the inside to the outside, and the first Two gears are arranged on the inner side of the wrapping part, and the hand wheel is arranged on the outer side of the wrapping part; There is an inner threaded hole, the knob is threadedly connected with the second rotating shaft, and the friction plate, the second gear, the hand wheel and the knob are arranged in sequence along the axial direction of the second rotating shaft. Turn the hand wheel to adjust the angle between the first frame body and the second frame body, that is, to adjust the inclination angle of the backrest. When the knob is turned, the hand wheel and the second gear can be pushed backward, so that the second gear and the friction plate can be adjusted. Abutting, and then locking the second gear to achieve the relative position fixation of the first frame body and the second frame body.

According to some embodiments of the present invention, the first gear meshes with the second gear, and the number of teeth of the second gear is smaller than the number of teeth of the first gear. In this way, the hand wheel can be adjusted by turning the hand wheel with less force, and the structure is simple and easy to adjust.

According to some embodiments of the present invention, the second frame body is provided with a third rotating shaft, the third rotating shaft is rotatably provided with a third gear and a fourth gear, and the third gear and the fourth gear are fixedly connected, The third gear meshes with the first gear, the fourth gear meshes with the second gear, and the number of teeth of the third gear is greater than the number of teeth of the fourth gear. In this way, the hand wheel can be adjusted by turning the hand wheel with less force, the structure is simple, and the adjustment is easy.

According to some embodiments of the present invention, the handwheel is provided with a connecting portion, the connecting portion is tubular, the connecting portion is sleeved on the outside of the second rotating shaft, and the connecting portion is fixedly connected with the second gear, The side wall of the wrapping portion is provided with a connecting ring, the connecting ring is sleeved on the outer side of the connecting portion, and the connecting ring is rotatably connected with the connecting portion. By arranging the connecting ring, the connecting portion will not rub against the wrapping portion during adjustment, thereby preventing damage to the wrapping portion.

In some embodiments of the present invention, the first unit and the side unit are connected by a detachable structure. In this way, the two side units can be separated and used as independent seat cushions, and the scope of application of the present invention is wider.

According to some embodiments of the present invention, the detachable structure includes a dovetail groove and a convex strip, the dovetail groove and the convex strip both extend forward and backward, the convex strip is adapted to the dovetail groove, and the dovetail groove One of the protruding strips is provided on the first unit, and the other is provided on the side unit. The connection between the side unit and the first unit is compact, the structure is simple, and the disassembly and assembly are easy.

According to some embodiments of the invention, the third unit is provided with a drawer. By arranging the drawer, the interior of the third unit can store items, which is beneficial to household storage.

According to some embodiments of the present invention, the second unit is provided with a second inner cavity, the front side of the second inner cavity is open, and a sliding table assembly is arranged in the second inner cavity, and the sliding table assembly includes A sliding seat and a desktop board, the desktop board is arranged on the front side of the sliding seat, and the sliding seat is slidably connected with the cavity wall of the second inner cavity front and rear. When in use, the desktop board can be pulled out to place beverages, books and other objects, and the desktop board can be pushed back into the second inner cavity when the desktop board is not needed to reduce space occupation.

According to some embodiments of the present invention, the sliding table assembly further includes two first connecting rods, the two first connecting rods are arranged at intervals up and down, and the two first connecting rods are both extended front and rear, and the first connecting rods Two ends of a link are hinged with the sliding seat and the desktop board respectively, one of the first links is called a positioning link, and the hinge axis where the positioning link is hinged with the desktop board is called is the second hinge shaft; the bottom of the desktop board is provided with a second connecting rod, the second connecting rod is extended front and rear, the front end of the second connecting rod is hinged with the desktop board, and the hinge axis at the hinged joint is called is the third hinge shaft, the third hinge shaft is parallel to the second hinge shaft, the positioning link is provided with a plurality of clamping grooves, and the plurality of the clamping grooves are arranged in sequence along the axial direction of the positioning link , the rear end of the second connecting rod is provided with a clamping head, and the clamping head is adapted to the clamping groove. The two first links form a parallelogram mechanism. After pulling out the desktop board, the vertical position of the desktop board can be adjusted, and the desktop board will not be inclined. After adjusting to the required position, insert the card head into the corresponding card slot. Inside, the current height can be fixed, the structure is simple, and the adjustment is easy.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

1 is a schematic three-dimensional structure diagram of a multifunctional sofa according to an embodiment of the present invention;

Fig. 2 is the right side sectional schematic diagram of the desktop board among Fig. 1;

Fig. 3 is the partial exploded structure schematic diagram of Fig. 1;

4 is a schematic three-dimensional structure diagram of a skeleton of a multifunctional sofa according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a partial exploded structure of FIG. 4 .

In the attached picture:

100-first unit; 101-convex; 200-second unit; 201-dovetail groove; 210-desktop board; 220-first link; 230-second link; 231-chuck; 240-positioning rod; 241-card slot; 250-sliding seat; 260-rail; 270-slider; 300-third unit; 310-drawer; 410-first frame; 401-first hinge shaft; 411-first Gear; 420-second frame body; 431-knob; 432-handwheel; 433-connecting part; 434-connecting ring; 435-second gear; 436-friction plate; 437-second shaft.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the azimuth description, such as the azimuth or position relationship indicated by up, down, front, rear, left, right, etc., is based on the azimuth or position relationship shown in the drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In addition, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention in combination with the specific content of the technical solution.

A multifunctional sofa according to an embodiment of the present invention is described below with reference to FIGS. 1 to 5 .

The multifunctional sofa according to the embodiment of the present invention includes a first unit 100 and two side units, the two side units are respectively referred to as the second unit 200 and the third unit 300, and the second unit 200 and the third unit 300 are respectively provided in At both ends of the first unit 100, the orientation of the second unit 200 relative to the third unit 300 is the left; the first unit 100 includes a frame and a wrapping part, the wrapping part wraps around the outside of the frame, and the frame includes a first frame body 410 and the second frame body 420, the first frame body 410 is arranged on the left side of the second frame body 420, and the hinge axis at the hinged joint between the first frame body 410 and the second frame body 420 is called the first hinge shaft 401, A hinge shaft 401 extends front and rear, and a locking device is connected between the first frame body 410 and the second frame body 420; the side unit is provided with a flexible section, and the flexible section is connected between the first unit 100 and the side unit.

For example, as shown in FIG. 1 , both the second unit 200 and the third unit 300 are in the shape of seat cushions placed laterally, the first unit 100 is in an inverted "V" shape, the second unit 200 , the first unit 100 and the third unit The units 300 are arranged in sequence from left to right, the right end of the second unit 200 is provided with a flexible segment, the flexible segment of the second unit 200 is connected to the left end of the first unit 100, the left end of the third unit 300 is provided with a flexible segment, a third unit The flexible section of 300 is connected to the right end of the first unit 100; the wrapping part is a jacket made of flexible material, the first frame body 410 and the second frame body 420 are both arranged in the wrapping part, and the first frame body 410 goes up from left to right The second frame body 420 is inclined downward from left to right, and the first hinge shaft 401 is arranged between the right end of the first frame body 410 and the left end of the second frame body 420; the locking device can be used to fix the first The relative position of one frame body 410 and the second frame body 420 .

By arranging the first frame body 410 and the second frame body 420 to be hinged, the first frame body 410 and the second frame body 420 can be adjusted to be flat during use. At this time, the multifunctional sofa is flat as a whole and can be used for lying down and resting. , to realize the function of a reclining cushion; when in use, the hinge joint of the first frame body 410 and the second frame body 420 can also be lifted, so that the first unit 100 is in an upside-down "V" shape, and then the current shape is fixed by the locking device In this way, the first unit 100 can be used as a backrest and a side unit can be used as a cushion, and the two sides of the multifunctional sofa can be used for people to sit respectively, so as to realize the function of a seat, and at the same time, the floor space is reduced, which is convenient for freeing up space for activities when guests visit.

In some embodiments of the present invention, the locking device includes a first gear 411, a second gear 435, a second shaft 437, a hand wheel 432, a friction plate 436 and a knob 431, the first gear 411 is linked with the second gear 435, The first gear 411 is coaxial with the first hinge shaft 401, and the first gear 411 is fixedly connected with the first frame body 410; the second rotating shaft 437 and the friction plate 436 are both arranged on the second frame body 420, the second gear 435 and the hand wheel 432 are all sleeved on the outside of the second rotating shaft 437, the second gear 435 rotates coaxially with the hand wheel 432, the second rotating shaft 437 runs through the wrapping part from the inside to the outside, the second gear 435 is arranged on the inner side of the wrapping part, and the handwheel 432 is set. On the outside of the wrapping part; one end of the second shaft 437 is provided with an external thread, a knob 431 is provided on the side of the hand wheel 432, and the knob 431 is provided with an internal threaded hole, the knob 431 is threadedly connected with the second shaft 437, the friction plate 436, the first The second gear 435 , the hand wheel 432 and the knob 431 are arranged in sequence along the axial direction of the second rotating shaft 437 . 4 and 5 , the front end of the first frame body 410 is provided with a first gear 411 , the first gear 411 is sleeved on the outer side of the first hinge shaft 401 , and the rear end of the second rotating shaft 437 is fixedly connected to the second frame body 420 , the front end of the second rotating shaft 437 penetrates the wrapping part, the second gear 435 and the hand wheel 432 are both rotatably connected with the second frame body 420 through the second rotating shaft 437, the second gear 435 is meshed with the first gear 411, or through an additional transmission The component is linked with the first gear 411 so that the second gear 435 can drive the first gear 411, and the friction plate 436 is arranged between the second gear 435 and the second frame body 420; the first frame can be adjusted by turning the hand wheel 432 The size of the angle between the body 410 and the second frame body 420 is to adjust the inclination angle of the backrest. When the knob 431 is turned, the hand wheel 432 and the second gear 435 can be pushed backwards, so that the second gear 435 and the friction plate 436 are in contact with each other. , and then lock the second gear 435 to fix the relative position of the first frame body 410 and the second frame body 420; adjusting one hand wheel 432 can turn the reclining cushion into two seats, which is easy to operate.

In some embodiments of the present invention, the first gear 411 meshes with the second gear 435 , and the number of teeth of the second gear 435 is smaller than that of the first gear 411 . In this way, the hand wheel 432 can be adjusted by turning the hand wheel 432 with less force, and the structure is simple and easy to adjust.

In some embodiments of the present invention, the second frame body 420 is provided with a third shaft, and the third shaft rotates with a third gear and a fourth gear, the third gear and the fourth gear are fixedly connected, and the third gear is connected with the first gear The gear 411 is meshed, the fourth gear is meshed with the second gear 435, and the number of teeth of the third gear is greater than that of the fourth gear. The third gear and the fourth gear can be integral components, and the third gear and the fourth gear are both rotatably connected to the second frame body 420 through the third rotating shaft; in this way, the hand wheel 432 can be adjusted by turning the hand wheel 432 with a small force, and the structure is simple , easy to adjust.

In some embodiments of the present invention, the handwheel 432 is provided with a connecting portion 433, the connecting portion 433 is tubular, the connecting portion 433 is sleeved on the outside of the second rotating shaft 437, the connecting portion 433 is fixedly connected with the second gear 435, and the side of the wrapping portion is The wall is provided with a connecting ring 434 , the connecting ring 434 is sleeved on the outer side of the connecting portion 433 , and the connecting ring 434 is rotatably connected with the connecting portion 433 . The connecting ring 434 can be installed by opening a hole in the side wall of the wrapping portion; by arranging the connecting ring 434, the connecting portion 433 will not rub against the wrapping portion during adjustment, preventing damage to the wrapping portion.

In some embodiments of the present invention, the first unit 100 and the side units are connected by a detachable structure. In this way, the two side units can be separated and used as independent seat cushions, and the scope of application of the present invention is wider.

In some embodiments of the present invention, the detachable structure includes a dovetail groove 201 and a protruding strip 101, the dovetail groove 201 and the protruding strip 101 both extend forward and backward, the protruding strip 101 is adapted to the dovetail groove 201, and the dovetail groove 201 and the protruding strip 101 One of them is provided in the first unit 100, and the other is provided in the side unit. 3, the dovetail groove 201 is provided in the side unit, the dovetail groove 201 runs through the side unit in the front-rear direction, the cross section of the protruding strip 101 is trapezoidal, and the protruding strip 101 is inserted into the dovetail slot 201 from front to back; The connection between them is compact, the structure is simple, and the disassembly and assembly are easy.

In some embodiments of the present invention, the third unit 300 is provided with a drawer 310 . The third unit 300 is provided with a first inner cavity, the front side of the first inner cavity is open, and the drawer 310 is arranged in the first inner cavity; by arranging the drawer 310, the interior of the third unit 300 can store articles, which is conducive to household storage.

In some embodiments of the present invention, the second unit 200 is provided with a second inner cavity, the front side of the second inner cavity is open, and a sliding table assembly is arranged in the second inner cavity, and the sliding table assembly includes a sliding seat 250 and a table top The board 210 and the desktop board 210 are arranged on the front side of the sliding seat 250, and the sliding seat 250 is slidably connected with the cavity wall of the second inner cavity front and rear. The bottom wall of the second inner cavity is provided with a guide rail 260, and the sliding seat 250 is provided with a sliding block 270. The sliding block 270 is adapted to the sliding rail to realize sliding connection; when in use, the desktop board 210 can be pulled out to place drinks and books When the desktop board 210 is not needed, the desktop board 210 can be pushed back into the second inner cavity to reduce the space occupation.

In some embodiments of the present invention, the sliding table assembly further includes two first connecting rods 220, the two first connecting rods 220 are arranged at intervals up and down, and the two first connecting rods 220 are both extended forward and backward, and the first connecting rods 220 The two ends are hinged with the sliding seat 250 and the desktop board 210 respectively, one of the first links 220 is called the positioning link 240, and the hinge axis where the positioning link 240 is hinged with the desktop board 210 is called the second hinge axis; The bottom of the board 210 is provided with a second connecting rod 230, the second connecting rod 230 is extended front and rear, the front end of the second connecting rod 230 is hinged with the desktop board 210, and the hinge axis at the hinge is called the third hinge axis, and the third hinge axis Parallel to the second hinge axis, the positioning link 240 is provided with a plurality of clamping grooves 241, and the plurality of clamping grooves 241 are arranged in sequence along the axial direction of the positioning link 240. The rear end of the second link 230 is provided with a clamping head 231 for clamping The head 231 is matched with the card slot 241 . 2 , the sliding table assembly extends out of the second inner cavity, the rear end of the first link 220 is hinged to the front end of the sliding seat 250 , the front end of the first link 220 is hinged to the rear end of the desktop board 210 , the desktop board 210 Horizontal arrangement, the two first connecting rods 220 have the same length and are arranged in parallel to form a parallelogram mechanism, so that after pulling out the desktop board 210, the vertical position of the desktop board 210 can be adjusted, and the desktop board 210 will not be inclined, and can be adjusted to the required level. After the clamping head 231 is inserted into the corresponding clamping slot 241, the current height can be fixed, the structure is simple, and the adjustment is simple; the first connecting rod 220 and the second connecting rod 230 are collectively referred to as the connecting component, The number is one, at this time the width of the first connecting rod 220 and the second connecting rod 230 are larger and are arranged in the middle of the desktop board 210 to keep the structure firm, the number of connecting components can also be two, at this time the first The width of the second connecting rod 230 of the connecting rod 220 is relatively small, and the two connecting elements are respectively disposed on both sides of the desktop board 210 .

The third hinge shaft is arranged in front of the second hinge shaft, and the distance between the third hinge shaft and the second hinge shaft is called the first dimension. Among the plurality of clamping grooves 241, the clamping groove 241 closest to the second hinge shaft is called the first dimension. It is the end slot 241, the distance between the end slot 241 and the second hinge shaft is greater than the difference between the length of the second link 230 and the first size, and the left side of the positioning link 240 is provided with a left-protruding The connecting seat, the card slot 241 is arranged in the connecting seat, the bottom of the card slot 241 is open, the clip head 231 is arranged on the right side of the second link 230, the clip head 231 can be inserted into the card slot 241 by moving upward, and the positioning link 240 and the second connecting rod 230 are respectively arranged on both sides of the connecting seat, and the clamping head 231 moves downward to separate from the clamping slot 241, so that when the desktop board 210 is not used, the first connecting rod 220 and the second connecting rod 230 both extend forward and backward. , the second connecting rod 230 and the clamping head 231 are both arranged on the front side of the connecting seat, the vertical size of the sliding table assembly is small, the structure is compact, the space is small, and it is easy to put into the second inner cavity.

The preferred embodiments of the present invention have been specifically described above, but the present invention is not limited to the examples. Those skilled in the art can also make various equivalent modifications or substitutions without departing from the spirit of the present invention. Variations or substitutions are all included within the scope defined by the claims of the present application.

Claims (10)

1. A multifunctional sofa, characterized in that it comprises a first unit and two side units, the two side units are respectively called a second unit and a third unit, the second unit and the third unit They are respectively arranged at both ends of the first unit, and the orientation of the second unit relative to the third unit is the left; the first unit includes a frame and a wrapping part, and the wrapping part wraps around the Outside the frame, the frame includes a first frame body and a second frame body, the first frame body is arranged on the left side of the second frame body, and the first frame body and the second frame body are hinged , The hinge shaft at the hinge is called the first hinge shaft, the first hinge shaft is extended forward and backward, and a locking device is connected between the first frame body and the second frame body; the side unit is provided with a flexible segment connected between the first unit and the side unit. 2 . The multifunctional sofa according to claim 1 , wherein the locking device comprises a first gear, a second gear, a second rotating shaft, a hand wheel, a friction plate and a knob, and the first gear and the The second gear is linked, the first gear is coaxial with the first hinge shaft, and the first gear is fixedly connected to the first frame body; the second rotating shaft and the friction plate are both arranged on the The second frame body, the second gear and the hand wheel are both sleeved on the outside of the second shaft, the second gear and the hand wheel rotate coaxially, and the second shaft rotates from the inside to the outside Passing through the wrapping portion, the second gear is arranged on the inner side of the wrapping portion, and the handwheel is arranged on the outer side of the wrapping portion; one end of the second rotating shaft is provided with an external thread, and the handwheel There is a knob on the side, the knob is provided with an internal thread hole, the knob is threadedly connected with the second rotating shaft, the friction plate, the second gear, the hand wheel and the knob are The axial directions of the rotating shafts are set in sequence. 3 . The multifunctional sofa of claim 2 , wherein the first gear meshes with the second gear, and the number of teeth of the second gear is smaller than the number of teeth of the first gear. 4 . 4 . The multifunctional sofa according to claim 2 , wherein the second frame is provided with a third rotating shaft, and the third rotating shaft is rotated with a third gear and a fourth gear, and the third gear is rotatable. 5 . is fixedly connected with the fourth gear, the third gear is meshed with the first gear, the fourth gear is meshed with the second gear, and the number of teeth of the third gear is greater than the number of teeth of the fourth gear . 5 . The multifunctional sofa according to claim 2 , wherein the handwheel is provided with a connecting portion, the connecting portion is tubular, the connecting portion is sleeved on the outside of the second rotating shaft, and the connecting portion is 5 . Fixedly connected with the second gear, the side wall of the wrapping portion is provided with a connecting ring, the connecting ring is sleeved on the outer side of the connecting portion, and the connecting ring is rotatably connected with the connecting portion. 6. The multifunctional sofa according to claim 1, wherein the first unit and the side unit are connected by a detachable structure. 7 . The multifunctional sofa according to claim 6 , wherein the detachable structure comprises a dovetail groove and a convex strip, the dovetail groove and the convex strip both extend forward and backward, and the convex strip is connected to the dovetail. 8 . The grooves are adapted, and one of the dovetail groove and the protruding strip is provided on the first unit, and the other is provided on the side unit. 8. The multifunctional sofa according to claim 1, wherein the third unit is provided with a drawer. 9 . The multifunctional sofa according to claim 1 , wherein the second unit is provided with a second inner cavity, the front side of the second inner cavity is open, and the second inner cavity is provided with a sliding The table assembly includes a sliding seat and a desktop board, the desktop board is arranged on the front side of the sliding seat, and the sliding seat is slidably connected to the cavity wall of the second inner cavity front and rear. 10 . The multifunctional sofa according to claim 9 , wherein the sliding table assembly further comprises two first connecting rods, the two first connecting rods are arranged at intervals up and down, and the two first connecting rods are spaced up and down. 11 . The rods are extended front and rear, and the two ends of the first connecting rod are hinged with the sliding seat and the desktop board respectively. One of the first connecting rods is called a positioning connecting rod, and the positioning connecting rod is connected to the The hinge shaft at the hinged joint of the desktop board is called the second hinge axis; the bottom of the desktop board is provided with a second connecting rod, the second connecting rod is extended front and rear, and the front end of the second connecting rod is connected to the desktop The hinge axis at the hinged and hinged position of the plate is called the third hinge axis, and the third hinge axis is parallel to the second hinge axis. The axial directions of the positioning connecting rods are arranged in sequence, and the rear end of the second connecting rod is provided with a clamping head, and the clamping head is adapted to the clamping groove.

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