CN215502115U - Sofa with multifunctional back cushion - Google Patents

Abstract

The utility model relates to the technical field of sofas, in particular to a sofa with a multifunctional back cushion, which comprises a seat, two armrest parts, a plurality of backrest frames, a plurality of groups of rotating connecting assemblies and a plurality of multifunctional back cushions, wherein each multifunctional back cushion comprises a backrest main body, a multifunctional touch panel, a power supply module and a cup stand, each multifunctional touch panel comprises a shell, a circuit board, a wireless charging module, a Bluetooth module, a sound playing module, a socket, a USB interface and a plurality of control buttons, each socket cover is provided with a waterproof cover, each cup stand comprises a cup stand main body, a cup cushion and a height adjusting mechanism, each cup stand main body is provided with a containing cavity, each cup cushion is contained in each containing cavity, each height adjusting mechanism is arranged between the bottom wall of each containing cavity and each cup cushion, and the front side of each backrest main body is provided with a sofa cushion. On the basis of keeping the original functions of the sofa, the multifunctional back cushion has two using states, the multifunctional touch pad and the cup stand are integrated on the backrest main body, the diversified requirements of users are met, and the height of the cup stand can be adjusted.

Description

Sofa with multifunctional back cushion

Technical Field

The utility model relates to the technical field of sofas, in particular to a sofa with a multifunctional back cushion.

Background

Along with the faster and faster pace of life and the greater and greater pressure of life in modern cities, people have greater and greater requirements on physical and mental relaxation after work, so that household articles for relieving pressure and relaxing the physical and mental are also vigorously developed. The sofa is used as furniture for leisure and relaxation common in family life, but the existing sofa has single function and is difficult to meet the diversified demands of consumers. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, an object of the present invention is to provide a sofa with a multifunctional back cushion.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a sofa with multi-functional back of body pad, its includes seat, two handrail portions, a plurality of back framves, multiunit rotation coupling assembling and a plurality of multi-functional back of body pads, and a plurality of back of body frames are arranged along the length direction of seat and are set up, and a multi-functional back of body pad rotates with a back frame via a set of rotation coupling assembling and is connected, and two handrail portions are located the both sides of seat respectively, multi-functional back of body pad includes the back main part, inlays the multi-functional touch-control board of locating the back of back main part, the power module of being connected with multi-functional touch-control board electricity and sets up the saucer in the back of back main part, the back main part rotates with the back frame via rotating coupling assembling and is connected, multi-functional touch-control board is including inlaying the casing of installing in the back main part, placing the circuit board of casing in and all being connected with circuit board electricity wireless charging module, bluetooth module, stereo set play module, Socket, USB interface, a plurality of control button, socket department detachably lid is equipped with waterproof cover, the saucer includes saucer main part, coaster and height adjusting mechanism, the saucer main part is provided with holds the chamber, the coaster holds and locates and holds the intracavity, height adjusting mechanism sets up between diapire and the coaster that holds the chamber, height adjusting mechanism is used for adjusting the height of coaster, the front of back main part is provided with the sofa cushion.

Further, every group rotates coupling assembling and includes two four sides articulated elements, and two four sides articulated elements are located the both sides of multi-functional back of the body pad respectively, the four sides articulated element includes pole setting, arc pole, mount and pendulum rod, pole setting fixed connection is in the back frame, mount fixed connection is in the bottom lateral wall of back main part, the one end of arc pole is articulated with the top of pole setting, and the other end of arc pole is articulated with the top of mount, the pendulum rod includes swing arm and articulated ear, the swing arm is the obtuse angle with the contained angle of articulated ear, the one end of swing arm is articulated with the bottom of pole setting, the other end of swing arm and the one end fixed connection of articulated ear, the other end of articulated ear is articulated with the bottom of mount.

Further, height adjusting mechanism includes lifter plate, spring and link assembly, the one end of spring is connected with the bottom surface of lifter plate, the other end of spring is connected with the diapire that holds the chamber, the one end of link assembly is connected in the lifter plate and is connected, and the other end of link assembly is connected with the diapire that holds the chamber, one side of lifter plate is provided with the lug, the lug supports and pushes up in the coaster, form the clearance between lifter plate and the coaster.

Further, the connecting rod assembly comprises a supporting rod, a sliding connecting rod connected to the lifting plate in a sliding mode and a fixed connecting rod fixedly connected to the bottom wall of the accommodating cavity, one end of the supporting rod is hinged to the sliding connecting rod, and the other end of the supporting rod is hinged to the fixed connecting rod.

Further, one end of the sliding connecting rod is provided with a sliding block, and the lifting plate is provided with a sliding rail for the sliding block to slide.

Furthermore, the sliding connecting rod is provided with a limiting column, and the lifting plate is provided with a limiting hole group matched with the limiting column.

Furthermore, the limiting hole group comprises at least two groups of limiting holes arranged on the lifting plate, wherein the distance between the two groups of limiting holes is equal to the length of the supporting rod.

Further, the saucer main body has been installed supporting baseplate, the bottom of fixed connecting rod and the bottom of spring all fixed connection in supporting baseplate.

Furthermore, the housing is concavely provided with a containing cavity, the housing is rotatably connected with a foldable LED lamp, the containing cavity is used for containing the foldable LED lamp, the foldable LED lamp can stretch out of the containing cavity, and the foldable LED lamp is electrically connected with the circuit board.

Further, the waterproof cover includes the apron and connects in the rotation post of apron, the casing is provided with rotation hole and lock ring channel, the socket is located the lock ring channel, the rotation post stretches to in the rotation hole and rotates with the rotation hole to be connected, apron and lock ring channel lock.

The utility model has the beneficial effects that: when the multifunctional back cushion is in an upright state, the sofa is in a normal state for use, the back of a user leans against the sofa back cushion, and the sofa back cushion is soft and comfortable and has good comfort; when multi-functional back of the body pad is in the level (fall) state, this sofa is in functional state and uses, power module supplies power to multi-functional touch-control board, the drinking cup can be placed to the saucer, beverages etc., place electronic product on wireless charging module, can realize electronic product's wireless charging, electronic product's bluetooth function is connected with the bluetooth module electricity, make electronic product broadcast broadcasting through stereo set broadcast module, music etc., socket and USB interface can supply the power cord or the plug of different grade type to carry out the electricity and connect, a plurality of control button are the volume button respectively, switch button etc., when the socket does not use, the waterproof cover closes the socket cover, play fine water-proof effects, also can avoid the dust to pile up in the socket, the security performance is good. When using the saucer, height adjusting mechanism's top plays the supporting role to the coaster to can adjust the coaster to the arbitrary height of predetermineeing the high stroke, consequently, the user can be according to the height of the container such as required placing drinking cup or beverage bottle, adjusts the coaster to corresponding height, and convenient to use person gets when putting the container, guarantees the container and is holding the stability of intracavity. The multifunctional back cushion of the sofa has two using states and strong practicability on the basis of keeping the original functions of the sofa, and the multifunctional touchpad and the cup stand are integrated on the backrest main body, so that the diversified requirements of users can be met, and the height of the cup stand can be adjusted, so that the sofa is convenient to use.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial structural view of the multifunctional back pad of the present invention in a horizontal (laid down) state.

Fig. 3 is a schematic view of the four-sided hinge of the present invention in one state.

Fig. 4 is a schematic view of the four-sided hinge of the present invention in another state.

Fig. 5 is a schematic structural view of the cup holder of the present invention.

FIG. 6 is a front view of the height adjustment mechanism of the present invention at its highest elevation.

Fig. 7 is a top view of the height adjustment mechanism of the present invention.

Fig. 8 is a cross-sectional view taken at a-a in fig. 7.

Fig. 9 is a front view of the height adjustment mechanism of the present invention at its lowest elevation.

Description of reference numerals:

1. a backrest body; 2. a multifunctional touch pad; 3. a cup holder; 4. a housing; 5. a wireless charging module; 6. a sound playing module; 7. a socket; 8. a USB interface; 9. a control button; 10. a waterproof cover; 11. a cup holder main body; 12. a cup pad; 13. a height adjustment mechanism; 14. a cavity; 15. a sofa cushion; 16. an anti-slip layer; 17. a friction projection; 18. a lifting plate; 19. a spring; 20. a connecting rod assembly; 21. a support bar; 22. a sliding connecting rod; 23. fixing the connecting rod; 24. a bump; 25. a slider; 26. a slide rail; 27. a limiting column; 28. limiting hole groups; 29. a limiting hole; 30. an infrared electrothermal film; 31. a cover plate; 32. rotating the column; 33. a support base plate; 34. buckling the annular groove; 35. a seat base; 36. an armrest portion; 37. a backrest frame; 38. rotating the connecting assembly; 39. a multifunctional back cushion; 40. a four-sided hinge; 41. erecting a rod; 42. an arcuate bar; 43. a fixed mount; 44. a swing rod; 45. swinging arms; 46. a hinge ear; 47. a receiving cavity; 48. folding LED lamp.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 9, the sofa with a multifunctional back cushion according to the present invention includes a seat 35, two armrest portions 36, a plurality of back frames 37, a plurality of sets of rotating connecting assemblies 38 and a plurality of multifunctional back cushions 39, wherein the plurality of back frames 37 are arranged along a length direction of the seat 35, one multifunctional back cushion 39 is rotatably connected to one back frame 37 via one set of rotating connecting assemblies 38, the two armrest portions 36 are respectively located at two sides of the seat 35, the multifunctional back cushion 39 includes a back main body 1, a multifunctional touch pad 2 embedded in a back surface of the back main body 1, a power module (not shown in the figure) electrically connected to the multifunctional touch pad 2, and a cup 3 disposed in the back surface of the back main body 1, the back main body 1 is rotatably connected to the back frames 37 via the rotating connecting assemblies 38, and the multifunctional touch pad 2 includes a housing 4, a cup holder, and a cover member, Interior circuit board (not shown in the figure) of placing casing 4 in and all wireless charging module 5, bluetooth module (not shown in the figure), stereo set play module 6, socket 7, USB interface 8, a plurality of control button 9 of being connected with the circuit board electricity, socket 7 department detachably lid is equipped with waterproof cover 10, saucer 3 includes saucer main part 11, coaster 12 and height adjusting mechanism 13, saucer main part 11 is provided with holds the chamber 14, coaster 12 holds and locates and holds the chamber 14, height adjusting mechanism 13 sets up between the diapire that holds chamber 14 and coaster 12, height adjusting mechanism 13 is used for adjusting the height of coaster 12, the front of back main part 1 is provided with sofa cushion 15.

In actual use, the backrest main body 1 can rotate relative to the backrest frame 37 through the rotating connecting assembly 38, when the multifunctional back cushion 39 is in an upright state, the sofa is in a normal state for use, the back of a user leans against the sofa back cushion 15, and the sofa back cushion 15 is soft and comfortable and has good comfort; when multi-functional back of body pad 39 is in the level (fall) state, this sofa is in functional state and uses, power module supplies power to multi-functional touch-control board 2, the drinking cup can be placed to saucer 3, beverages etc., place the electronic product on wireless charging module 5, can realize the wireless charging of electronic product, electronic product's bluetooth function is connected with the bluetooth module electricity, make electronic product broadcast through stereo set broadcast module 6, music etc., socket 7 and USB interface 8 can supply the power cord or the plug of different grade type to carry out the electricity and connect, a plurality of control button 9 are the volume button respectively, switch button etc., when socket 7 does not use, waterproof cover 10 closes socket 7 lid, play fine water-proof effects, also can avoid dust to pile up in socket 7, the security performance is good. When the cup stand 3 is used, the top end of the height adjusting mechanism 13 supports the cup pad 12, and the cup pad 12 can be adjusted to any height of a preset height stroke, so that a user can adjust the cup pad 12 to a corresponding height according to the height of containers such as a water cup or a beverage bottle required to be placed, and the stability of the containers in the accommodating cavity 14 is guaranteed while the user can take and place the containers conveniently. According to the multifunctional back cushion, on the basis of keeping the original functions of the sofa, the multifunctional back cushion 39 of the sofa has two using states and is high in practicability, the multifunctional touch pad 2 and the cup stand 3 are integrated on the backrest main body 1, the diversified requirements of users can be met, the height of the cup stand 3 can be adjusted, and the multifunctional back cushion is convenient to use.

In this embodiment, every group rotates coupling assembling 38 and includes two four sides articulated elements 40, and two four sides articulated elements 40 are located the both sides of multi-functional back pad 39 respectively, four sides articulated elements 40 include pole setting 41, arc pole 42, mount 43 and pendulum rod 44, pole setting 41 fixed connection is in back frame 37, mount 43 fixed connection is in the bottom lateral wall of back main part 1, the one end of arc pole 42 is articulated with the top of pole setting 41, and the other end of arc pole 42 is articulated with the top of mount 43, pendulum rod 44 includes swing arm 45 and hinged ear 46, swing arm 45 is the obtuse angle with the contained angle of hinged ear 46, the one end of swing arm 45 is articulated with the bottom of pole setting 41, the other end of swing arm 45 and the one end fixed connection of hinged ear 46, the other end of hinged ear 46 is articulated with the bottom of mount 43. This structural design facilitates the switching of the multi-functional back pad 39 between the upright position and the horizontal (laid down) position.

In this embodiment, the anti-slip layer 16 is disposed on the top surface of the cup mat 12, the anti-slip layer 16 is a rubber layer, and the anti-slip layer 16 is additionally disposed to prevent the container and the bottom wall of the cavity 14 from slipping and loosening; the top surface of the anti-skid layer 16 is uniformly provided with a plurality of friction bulges 17, and the friction bulges 17 are abutted against the bottom surface of the container, so that the friction resistance of the container is increased, and the anti-skid effect is better.

In this embodiment, the height adjusting mechanism 13 includes a lifting plate 18, a spring 19 and a link assembly 20, one end of the spring 19 is connected to the bottom surface of the lifting plate 18, the other end of the spring 19 is connected to the bottom wall of the cavity 14, one end of the link assembly 20 is connected to the lifting plate 18, the other end of the link assembly 20 is connected to the bottom wall of the cavity 14, a protrusion 24 is disposed on one side of the lifting plate 18, the protrusion 24 abuts against the cup mat 12, and a gap is formed between the lifting plate 18 and the cup mat 12; in particular, in order to guarantee its bouncing effect, the height adjustment mechanism 13 is symmetrically provided with two springs 19. The structural design is beneficial to the height adjusting mechanism 13 to adjust the height of the cup mat 12 and the container.

In this embodiment, the connecting rod assembly 20 includes a supporting rod 21, a sliding connecting rod 22 slidably connected to the lifting plate 18, and a fixed connecting rod 23 fixedly connected to the bottom wall of the cavity 14, one end of the supporting rod 21 is hinged to the sliding connecting rod 22, and the other end of the supporting rod 21 is hinged to the fixed connecting rod 23; specifically, one end of the sliding connecting rod 22 is provided with a sliding block 25, and the lifting plate 18 is provided with a sliding rail 26 for the sliding block 25 to slide; the sliding connecting rod 22 is provided with a limiting column 27, and the lifting plate 18 is provided with a limiting hole group 28 matched with the limiting column 27; the limit hole group 28 comprises at least two groups of limit holes 29 arranged on the lifting plate 18, wherein the distance between the two groups of limit holes 29 is equal to the length of the support rod 21; in addition, the number of the limiting holes 29 can be increased or decreased according to actual requirements between the two sets of limiting holes 29, the number of the limiting columns 27 is two, the two limiting columns 27 are symmetrically arranged on the sliding connecting rod 22, and the stability of the limiting columns 27 for limiting the sliding connecting rod 22 is guaranteed.

In this embodiment, supporting baseplate 33 has been installed to saucer main part 11, the equal fixed connection in supporting baseplate 33 in bottom of fixed connecting rod 23 and the bottom of spring 19 has guaranteed fixed connecting rod 23 and spring 19's fixed effect, adopts the detachable structure simultaneously, the maintenance and the assembly of the spare part of being convenient for.

When a higher container is put into the containing cavity 14 of the cup holder main body 11, in order to ensure the stability of the container, the cup mat 12 needs to be adjusted to a lower position, the container can be pressed downwards, the container transmits force to the lifting plate 18 through the cup mat 12, and because the two ends of the lifting plate 18 are provided with the upward lugs 24 and form a certain gap with the cup mat 12, when the container is pressed downwards, the limiting column 27 can be separated from the limiting hole 29, the slide block 25 of the slide connecting rod 22 can slide along the slide rail 26 of the lifting plate 18, and the support rod 21, the slide connecting rod 22 and the fixed connecting rod 23 are hinged, so that the support rod 21 can swing and incline, the cup mat 12 can also move downwards along with the swing and incline of the support rod 21 until the limiting column 27 is clamped into another group of limiting holes 29, so that the height of the cup mat 12 is reduced, the space for containing the container becomes deep, and the requirements of users are met, the height of the cup mat 12 can be adjusted at will according to the requirements of users, the placement and the taking of water cups with different heights can be met, and the use of the users is convenient.

Similarly, when a short container is placed in the cavity 14 of the cup holder main body 11, in order to facilitate taking of the cup, the cup mat 12 needs to be adjusted to a higher position, a downward acting force also needs to be applied to the cup mat 12, so that the limiting column 27 is separated from the limiting hole 29, under the action of the elastic force of the spring 19, the support rod 21 can swing around the sliding connecting rod 22 and the fixed connecting rod 23 respectively, meanwhile, the sliding block 25 of the sliding connecting rod 22 can slide along the sliding rail 26 of the lifting plate 18 until the limiting column 27 is clamped into another group of limiting holes 29, the height of the cup mat 12 can be adjusted at will according to the requirements of a user, the requirement of placing and taking of containers with different heights is met, and the use of the user is facilitated.

In this embodiment, an infrared electrothermal film 30 is disposed on an inner side wall of the cavity 14, and the infrared electrothermal film 30 is electrically connected to a circuit board. The infrared electrothermal film 30 is capable of generating heat to heat and insulate the container within the cavity 14.

In this embodiment, the waterproof cover 10 includes a cover plate 31 and a rotating column 32 connected to the cover plate 31, the housing 4 is provided with a rotating hole (not shown) and a fastening annular groove 34, the socket 7 is located in the fastening annular groove 34, the rotating column 32 protrudes into the rotating hole and is rotatably connected with the rotating hole, and the cover plate 31 is fastened with the fastening annular groove 34. When the socket 7 is not used, the cover plate 31 is buckled in the buckling annular groove 34, and the cover plate 31 is used for covering the socket 7; when the socket 7 is needed to be used, the cover plate 31 is pulled out from the buckling annular groove 34, then the cover plate 31 is driven to rotate towards the direction away from the socket 7, and the rotating column 32 rotates around the central axis of the rotating hole, so that the cover plate 31 rotates away from the socket 7, and a user can use the socket 7 normally.

Specifically, the cover plate 31 is connected with the bottom wall of the fastening annular groove 34 in a sealing manner through a sealing ring (not shown in the figure); the sealing effect of the cover plate 31 and the buckling annular groove 34 is increased, and the waterproof performance and the safety performance are better.

Specifically, the number of the cup holders 3 is two; when the two cup holders 3 are arranged at intervals, the two cup holders 3 exist independently and do not interfere with each other; when the two cup holders 3 are of an integrated structure, the middle parts of the two cup holders 3 are communicated, and the two cup holders 3 are in an 8-shaped shape, so that the cup holder is attractive in appearance, compact in structure, small in occupied space and convenient to disassemble and assemble the cup holders 3.

Specifically, the USB port 8 is detachably connected with a sealing plug (not shown in the figure) for sealing the USB port 8 to prevent moisture or dust from entering the USB port 8.

Specifically, the number of the sockets 7 and the number of the waterproof covers 10 are two, and the two sockets 7 and the two waterproof covers 10 are arranged in a one-to-one correspondence manner. The structural design increases the number of the sockets 7.

In this embodiment, the housing 4 is concavely provided with a receiving cavity 47, the housing 4 is rotatably connected with a foldable LED lamp 48, the receiving cavity 47 is used for receiving the foldable LED lamp 48, the foldable LED lamp 48 can protrude out of the receiving cavity 47, and the foldable LED lamp 48 is electrically connected with the circuit board. When the foldable LED lamp 48 is not needed, the foldable LED lamp 48 is accommodated in the accommodating cavity 47, and the top surface of the foldable LED lamp 48 is flush with the surface of the shell 4, so that the structure is compact, and the appearance is smooth and attractive; when the foldable LED lamp 48 is needed to be used, the foldable LED lamp 48 only needs to be rotated to the outside of the containing cavity 47, the use is convenient, and light can be provided for a user.

All the technical features in the embodiment can be freely combined according to actual needs.

The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Claims (10)

1. The utility model provides a sofa with multi-functional back of body pad which characterized in that: the multifunctional back cushion comprises a back main body, a multifunctional touch control plate embedded on the back of the back main body, a power module electrically connected with the multifunctional touch control plate and a cup holder arranged on the back of the back main body, wherein the back main body is rotationally connected with the back frame through the rotating connecting assembly, the multifunctional touch control plate comprises a shell embedded in the back main body, a circuit board arranged in the shell, and a wireless charging module, a Bluetooth module, a sound playing module, a socket, a USB interface and a plurality of control buttons which are electrically connected with the circuit board, socket department detachably lid is equipped with waterproof cover, the saucer includes saucer main part, coaster and height adjusting mechanism, the saucer main part is provided with holds the chamber, the coaster holds and locates and holds the intracavity, height adjusting mechanism sets up between the diapire that holds the chamber and the coaster, height adjusting mechanism is used for adjusting the height of coaster, the front of back main part is provided with the sofa cushion.

2. The sofa with the multifunctional back cushion as claimed in claim 1, wherein: every group rotates coupling assembling and includes two four sides articulated elements, and two four sides articulated elements are located the both sides of multi-functional back of the body pad respectively, the four sides articulated element includes pole setting, arc pole, mount and pendulum rod, pole setting fixed connection is in the back frame, mount fixed connection is in the bottom lateral wall of back main part, the one end of arc pole is articulated with the top of pole setting, and the other end of arc pole is articulated with the top of mount, the pendulum rod includes swing arm and articulated ear, the swing arm is the obtuse angle with the contained angle of articulated ear, the one end of swing arm is articulated with the bottom of pole setting, the other end of swing arm and the one end fixed connection of articulated ear, the other end of articulated ear is articulated with the bottom of mount.

3. The sofa with the multifunctional back cushion as claimed in claim 1, wherein: the height adjusting mechanism comprises a lifting plate, a spring and a connecting rod assembly, one end of the spring is connected with the bottom surface of the lifting plate, the other end of the spring is connected with the bottom wall of the accommodating cavity, one end of the connecting rod assembly is connected with the lifting plate, the other end of the connecting rod assembly is connected with the bottom wall of the accommodating cavity, a convex block is arranged on one side of the lifting plate and abuts against the cup pad, and a gap is formed between the lifting plate and the cup pad.

4. The sofa with multifunctional back cushion as claimed in claim 3, wherein: the connecting rod assembly comprises a supporting rod, a sliding connecting rod connected to the lifting plate in a sliding mode and a fixed connecting rod fixedly connected to the bottom wall of the containing cavity, one end of the supporting rod is hinged to the sliding connecting rod, and the other end of the supporting rod is hinged to the fixed connecting rod.

5. The sofa with multifunctional back cushion as claimed in claim 4, wherein: one end of the sliding connecting rod is provided with a sliding block, and the lifting plate is provided with a sliding rail for the sliding of the sliding block.

6. The sofa with multifunctional back cushion as claimed in claim 4, wherein: the sliding connecting rod is provided with a limiting column, and the lifting plate is provided with a limiting hole group matched with the limiting column.

7. The sofa with the multifunctional back cushion as claimed in claim 6, wherein: the limiting hole group comprises at least two groups of limiting holes arranged on the lifting plate, wherein the distance between the two groups of limiting holes is equal to the length of the supporting rod.

8. The sofa with multifunctional back cushion as claimed in claim 4, wherein: the supporting bottom plate has been installed to the saucer main part, the equal fixed connection in supporting bottom plate in the bottom of fixed connecting rod and the bottom of spring.

9. The sofa with the multifunctional back cushion as claimed in claim 1, wherein: the LED lamp comprises a shell, and is characterized in that a containing cavity is concavely arranged on the shell, the shell is rotatably connected with a foldable LED lamp, the containing cavity is used for containing the foldable LED lamp, the foldable LED lamp can extend out of the containing cavity, and the foldable LED lamp is electrically connected with a circuit board.

10. The sofa with the multifunctional back cushion as claimed in claim 1, wherein: the waterproof cover includes the apron and connects in the rotation post of apron, the casing is provided with rotation hole and lock ring channel, the socket is located the lock ring channel, it is downthehole and rotate with the rotation hole and be connected to rotate the post projection to rotate, apron and lock ring channel lock.

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