CN112386919A

CN112386919A - Multifunctional sofa

Info

Publication number: CN112386919A
Application number: CN202011250660.7A
Authority: CN
Inventors: 李瑞明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-02-23

Abstract

The invention discloses a multifunctional sofa, which belongs to the technical field of sofas and comprises a fixed bottom plate, a bouncing clamping part, a traction part and ejection parts, wherein the top of the fixed bottom plate is provided with a concave cavity, the bouncing clamping part is arranged at the top of the fixed bottom plate, the traction part is arranged at the bottom of the fixed bottom plate, four backrest sofas are fixed on the outer side wall of the fixed bottom plate at equal intervals, one side of each backrest sofa is provided with a through hole, the top of each backrest sofa is provided with an ejection hole, the ejection parts are provided with four ejection parts, the four ejection parts are respectively arranged in the four ejection holes, and the bottom of the fixed bottom plate and the bottoms of the four backrest sofas are respectively provided with a plurality of. According to the invention, the bouncing clamping component, the traction component and the ejection component are mutually matched, so that the plush toy is ejected from the ejection hole while the child bounces, the effects of entertainment, surprise and pressure reduction are achieved, and the entertainment diversity of the sofa is improved.

Description

Multifunctional sofa

Technical Field

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

Background

A playground is a place where children and citizens are free to play. Typically there are amusement facilities such as teeterboards, hobbyhorses, swings, horizontal bars, parallel bars, slides, hanging swings, slings, toy cabins and mazes. Large amusement parks can also build large entertainment facilities such as roller coasters, ferris wheels, 3D movie theaters and the like. These recreation can help children to develop the cooperation ability, make the health strong and the academic conference technique of going out, be provided with a plurality of sofas or seats usually in the recreation ground, the main function of these sofas and seats is for people provide the rest of lying and sitting, so the travelling comfort is paid attention to mostly in the design and manufacture, lack functional diversity, unable attraction children's favor and because children's sex is comparatively greedy, make the head of a family who takes children to play must accompany constantly, prevent that children from taking place accident, lead to the head of a family can't have a rest, need to design a multi-functional sofa now urgently, make children head of a family can also accompany and have a rest by side when playing.

Disclosure of Invention

The invention aims to provide a multifunctional sofa to solve the technical problem that a playground sofa in the prior art is lack of functional diversity.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a multifunctional sofa, includes PMKD, spring block spare, traction element and launches the part, the cavity has been seted up at PMKD's top, the cavity has the spherical face with spring block spare matched with contact, spring block spare sets up the top at PMKD, traction element sets up the bottom at PMKD, PMKD's lateral wall equidistant four back sofas that are fixed with to one side of every back sofa all seted up with spring block spare matched with through-hole, every the top of back sofa all seted up with launch part matched with bullet hole, it is provided with four, four to launch the part set up respectively in four launch downtheholely, a plurality of supporting legss are installed at the equal interval in PMKD and four back sofa's bottom.

Further, the bounce clamping part comprises a connecting ball head, a fixing rod, a sofa cushion, four first springs and four clamping components, wherein the connecting ball head is rotatably arranged in the cavity, the bottom of the fixing rod is fixedly connected with the connecting ball head, the sofa cushion is arranged at the top of the fixing rod, the first springs are arranged between the fixed bottom plate and the sofa cushion at intervals, the two ends of each first spring are uniformly connected with the fixed bottom plate and the sofa cushion, and the clamping components are arranged at the top of the fixed bottom plate at equal intervals along the circumferential direction of the fixed bottom plate.

Furthermore, each clamping component comprises a first fixed plate, a stretching rod, a second spring, a springboard, a first latch, a rack, a sliding plate, a pushing block, two third springs and two first supporting plates, wherein the first fixed plate is arranged at the top of the fixed base plate, the sliding plate is arranged at the top of the fixed base plate in a sliding manner, one end of the stretching rod is fixedly connected with one side of the first fixed plate, the other end of the stretching rod is inserted into the sliding plate and is in sliding fit with the sliding plate, the second spring is sleeved on the stretching rod, two ends of the second spring are respectively fixedly connected with the sliding plate and the first fixed plate, one end of the pushing block is fixedly connected with one end of the sliding plate, the other end of the pushing block penetrates through the through hole and extends into a backrest sofa, the rack is arranged at the top of the sliding plate, the springboard is arranged above the rack, first latch is installed in the bottom of springboard to first latch and rack block cooperation, two first backup pad symmetry sets up in the both sides of springboard, and the top of two first backup pads all rotates with the middle-end of springboard to be connected, two the third spring sets up between springboard and PMKD, and the both ends of two third springs are equallyd divide do not with springboard one end and PMKD top fixed connection.

Furthermore, traction element includes fixed case, driving motor, wire reel and four first haulage ropes, fixed case is installed in PMKD's bottom, driving motor installs the bottom at fixed case, driving motor's output run through fixed bottom of the case portion and with wire reel fixed connection, four the one end of first haulage rope all with wire reel fixed connection, other end one side of four first haulage ropes run through fixed case, PMKD and first fixed plate and with sliding plate fixed connection.

Furthermore, each ejection component comprises a second fixed plate, a third fixed plate, a second hinged plate, a second traction rope, an opening plate, a second latch, a third latch, a second support plate, an ejection plate, a fourth spring, two fifth springs and two sixth springs, the second fixed plate and the ejection plate are arranged in the ejection hole at intervals, the second fixed plate is fixedly connected with the backrest sofa, the bottom end of the second hinged plate penetrates through the second fixed plate and extends out of the bottom of the second fixed plate, the middle end of the second hinged plate is hinged with the second fixed plate, the second latch is installed on one side of the top end of the second hinged plate, the fourth spring is arranged between the second fixed plate and the ejection plate, two ends of the fourth spring are respectively fixedly connected with the second fixed plate and the ejection plate, the third fixed plate is installed at the bottom of the ejection plate, the third latch is installed on one side of the third fixed plate, and the second latch cooperates with the third latch in a clamping manner, the second support plate is arranged at the top of the second fixed plate, the two fifth springs are arranged between the second hinged plate and the second support plate at intervals, the two ends of the two fifth springs are fixedly connected with the second hinged plate and the second support plate respectively, the hinged plate is arranged in the backrest sofa in a sliding manner, the two sixth springs are arranged on one side of the hinged plate at intervals, the two ends of the two sixth springs are fixedly connected with the hinged plate and the backrest sofa respectively, one end of the second traction rope is fixedly connected with the other end of the hinged plate, and the other end of the second traction rope penetrates through the backrest sofa and is fixedly connected with the ejection plate.

Furthermore, each of the two sides of the backrest sofa is provided with a cup supporting plate in a sliding manner, and each cup supporting plate is provided with a placing groove for placing a cup.

Furthermore, each backrest sofa is provided with a feeding groove communicated with the charge hole, and the top of the feeding groove is provided with a cover.

Furthermore, the top of each backrest sofa is inserted with a reset rod.

Compared with the prior art, the invention has the beneficial effects that:

when a child jumps down on the bouncing soft board, the bouncing soft board is extruded to move downwards, so that one end of the first hinged board is extruded to move downwards, the other end of the first hinged board and the first latch are driven to move upwards synchronously, the second latch releases the clamped rack, the acting force given to the sliding board by the second spring drives the sliding board to slide towards the corresponding backrest sofa direction, when the child jumps, the other end of the first hinged board is reset by the two third springs, the sliding board intermittently slides towards the corresponding backrest sofa direction by the continuous jumping of the child, when the pushing block arranged at one end of the sliding board moves to drive the bottom end of the second hinged board to move obliquely, the top end of the second hinged board and the second latch synchronously move, the clamped third latch is released, and the acting force given to the ejecting board by the fourth spring, the ejection plate is driven to slide in the ejection holes along the height direction of the ejection holes, so that plush toys at the tops of the ejection plates are driven to synchronously move upwards, when the ejection plates move upwards, the opening plate is driven to slide in the backrest sofa through the second traction rope, so that the tops of the ejection holes are exposed, the plush toys are ejected out from the ejection holes, the effects of entertainment, surprise and pressure reduction are achieved, and the entertainment diversity of the sofa is improved.

And secondly, four clamping assemblies and four ejection parts are arranged at the top of the fixed base plate at equal intervals along the circumferential direction of the fixed base plate, so that the plush toy is ejected from the corresponding direction with more extrusion times according to the four directions of the top of the bouncing soft plate in the bouncing process of the child, and the interestingness of the sofa is further improved.

Thirdly, after the plush toy pops out, driving motor work drives the wire reel and rotates, drive four sliding plates through four first haulage ropes and reset to initial position, make first latch and rack block, then driving motor reverses, make four first haulage ropes reset to the loose form, take out the release link of pegging graft at back sofa top again, insert the bottom of release link in the ejection hole, drive the ejection board downward displacement to second latch and third latch block again, insert the release link again from the top of back sofa at last, the amusement interactivity of sofa and children has been improved.

Fourthly, a feeding groove communicated with the ejection holes is formed in the backrest sofa, and a certain number of plush toys can be stored in the feeding groove, so that the plush toys do not need to be frequently added after being ejected every time, and the working strength of operators is reduced.

Fifthly, when the children play on the bouncing soft cushion, accompanying parents can not only rest on the backrest sofa arranged at the side, but also accompany the children to play together, thereby preventing the children from accidents.

Sixth, the multifunctional sofa of the invention has simple use method and strong interest, and can eject plush toys in different directions only by bouncing on the bouncing clamping part by the children through the internal linkage mechanism, thereby having unexpected entertainment effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a first angle of the present invention;

FIG. 2 is a schematic cross-sectional view of a second angle partial perspective of the present invention;

FIG. 3 is a schematic view of a portion of the stationary base and the bouncing engagement member of the present invention in cross-section;

FIG. 4 is a schematic perspective view of a fastening assembly according to the present invention;

FIG. 5 is a perspective view of a traction element according to the present invention;

fig. 6 is a schematic perspective view of the ejection member of the present invention.

Reference numerals:

the elastic bouncing device comprises a fixed bottom plate 1, a bouncing clamping component 2, a connecting ball head 21, a fixed rod 22, a bouncing soft plate 23, a first spring 24, a clamping component 25, a first fixed plate 251, a stretching rod 252, a second spring 253, a first hinge plate 254, a first latch 255, a rack 256, a sliding plate 257, a pushing block 258, a third spring 259, a first support plate 260, a traction component 3, a fixed box 31, a driving motor 32, a winding disc 33, a first traction rope 34, an ejection component 4, a second fixed plate 41, a third fixed plate 42, a second hinge plate 43, a second traction rope 44, an opening plate 45, a second latch 46, a third latch 47, a second support plate 48, an ejection plate 49, a fourth spring 50, a fifth spring 51, a sixth spring cavity 52, a placing groove 6, a backrest sofa 7, a through hole 8, an ejection hole 9, a support leg 10, a cup supporting plate 11, a placing groove 12, a loading groove 13, a cover 14 and a resetting rod 15.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, 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 specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, an embodiment of the invention provides a multifunctional sofa, which includes a fixed base plate 1, a bouncing clamping member 2, a traction member 3 and an ejection member 4, wherein a concave cavity 6 is formed at the top of the fixed base plate 1, the concave cavity 6 has a spherical surface in contact with the bouncing clamping member 2 in a matching manner, the bouncing clamping member 2 is arranged at the top of the fixed base plate 1, the traction member 3 is arranged at the bottom of the fixed base plate 1, four backrest sofas 7 are fixed on the outer side wall of the fixed base plate 1 at equal intervals, a through hole 8 matched with the bouncing clamping member 2 is formed at one side of each backrest sofa 7, a perforating bullet 9 matched with the ejection member 4 is formed at the top of each backrest sofa 7, four ejection members 4 are arranged, and four ejection members 4 are respectively arranged in four ejection holes 9, the fixed bottom plate 1 and the bottoms of the four backrest sofas 7 are respectively provided with a plurality of supporting legs 10 at intervals.

Specifically, bounce block part 2 includes hookup bulb 21, dead lever 22, the soft board of bounce, four first springs 24 and four block subassemblies 25, hookup bulb 21 rotates and sets up in cavity 6, the bottom and the hookup bulb 21 fixed connection of dead lever 22, the top at dead lever 22, four are installed to the soft board of bounce first springs 24 interval sets up between PMKD 1 and the soft board of bounce to every first spring 24's both ends are equallyd divide respectively with PMKD 1 and the soft board fixed connection of bounce, four block subassemblies 25 sets up at PMKD 1's top along PMKD 1's equidistant circumference, supports the soft board of bounce 23 through four first springs 24, prevents that the soft board of bounce 23 from taking place the slope.

Specifically, each of the clamping assemblies 25 includes a first fixing plate 251, a stretching rod 252, a second spring 253, a first hinge plate 254, a first latch 255, a rack 256, a sliding plate 257, a pushing block 258, two third springs 259 and two first support plates 260, the first fixing plate 251 is mounted on the top of the fixing base plate 1, the sliding plate 257 is slidably disposed on the top of the fixing base plate 1, one end of the stretching rod 252 is fixedly connected to one side of the first fixing plate 251, the other end of the stretching rod 252 is inserted into the sliding plate 257, the stretching rod 252 is slidably engaged with the sliding plate 257, the second spring 253 is sleeved on the stretching rod 252, and both ends of the second spring 253 are fixedly connected to the sliding plate 257 and the first fixing plate 251 respectively, one end of the pushing block 258 is fixedly connected to one end of the sliding plate 257, the other end of the pushing block 258 passes through the through hole 8 and extends into one backrest sofa 7, the rack gear 256 is mounted on the top of the sliding plate 257, the first hinge plate 254 is disposed above the rack gear 256, the first latch 255 is mounted on the bottom of the first hinge plate 254, and the first latch 255 is engaged with the rack 256, the two first supporting plates 260 are symmetrically arranged at both sides of the first hinge plate 254, and the top of the two first supporting plates 260 are rotatably connected to the middle end of the first hinge plate 254, two third springs 259 are provided between the first hinge plate 254 and the fixed base plate 1, and both ends of the two third springs 259 are respectively and fixedly connected with one end of the first hinge plate 254 and the top of the fixed base plate 1, the two third springs 259 provide a force to the first hinge plate 254, so that the first latch 255 limits the engagement of the rack 256, and the sliding plate 257 is prevented from sliding toward the back rest sofa 7 without an external force.

Specifically, the traction member 3 includes a fixed box 31, a driving motor 32, a wire spool 33 and four first traction ropes 34, the fixed box 31 is installed at the bottom of the fixed base plate 1, the driving motor 32 is installed at the bottom of the fixed box 31, an output end of the driving motor 32 penetrates through the bottom of the fixed box 31 and is fixedly connected with the wire spool 33, one end of each of the four first traction ropes 34 is fixedly connected with the wire spool 33, and one side of the other end of each of the four first traction ropes 34 penetrates through the fixed box 31, the fixed base plate 1 and the first fixed plate 251 and is fixedly connected with the sliding plate 257, after the plush toy is popped out, the driving motor 32 works to drive the wire spool 33 to rotate, and the four sliding plates 257 are driven by the four first traction ropes 34 to reset to an initial position, so that the first latch 255 is engaged with the rack 256.

Specifically, each of the ejecting members 4 includes a second fixing plate 41, a third fixing plate 42, a second hinge plate 43, a second pulling rope 44, a switching plate 45, a second latch 46, a third latch 47, a second support plate 48, an ejecting plate 49, a fourth spring 50, two fifth springs 51 and two sixth springs 52, the second fixing plate 41 and the ejecting plate 49 are arranged at intervals inside the ejecting hole 9, the second fixing plate 41 is fixedly connected with the backrest sofa 7, the bottom end of the second hinge plate 43 penetrates through the second fixing plate 41 and extends out of the bottom of the second fixing plate 41, the middle end of the second hinge plate 43 is hinged with the second fixing plate 41, the second latch 46 is installed at one side of the top end of the hinge plate 43, the fourth spring 50 is arranged between the second fixing plate 41 and the ejecting plate 49, and the two ends of the fourth spring 50 are fixedly connected with the second fixing plate 41 and the ejecting plate 49 respectively, the third fixing plate 42 is installed at the bottom of the ejector plate 49, the third latch 47 is installed at one side of the third fixing plate 42, the second latch 46 is in snap fit with the third latch 47, the second support plate 48 is installed at the top of the second fixing plate 41, two fifth springs 51 are arranged at intervals between the second hinge plate 43 and the second support plate 48, and both ends of the two fifth springs 51 are fixedly connected with the second hinge plate 43 and the second support plate 48 respectively, the opening plate 45 is slidably arranged in the backrest sofa 7, two sixth springs 52 are arranged at intervals at one side of the opening plate 45, both ends of the two sixth springs 52 are fixedly connected with the opening plate 45 and the backrest sofa 7 respectively, one end of the second traction rope 44 is fixedly connected with the other end of the opening plate 45, the other end of the second traction rope 44 penetrates through the backrest sofa 7 and is fixedly connected with the ejector plate 49, when the pushing block 258 mounted at one end of the sliding plate 257 moves to drive the bottom end of the second hinged plate 43 to deflect, the top end of the second hinged plate 43 and the second latch 46 synchronously displace, thereby releasing the clamped third latch 47, the acting force given to the ejector plate 49 by the fourth spring 50 drives the ejector plate 49 to slide in the ejector hole 9 along the height direction of the ejector hole 9, thereby driving the plush toy on the top of the ejector plate 49 to synchronously displace upwards, and when the ejector plate 49 displaces upwards, the opening plate 45 is driven by the second traction rope 44 to slide in the backrest sofa 7, thereby exposing the top of the ejector hole 9, so that the plush toy is ejected from the ejector hole 9, and the effects of entertainment, surprise and pressure reduction are achieved, and the entertainment diversity of the sofa is improved.

Specifically, each two sides of the backrest sofa 7 are provided with cup supporting plates 11 in a sliding mode, each cup supporting plate 11 is provided with a placing groove 12 used for placing a cup, when a cup needs to be placed, the cup supporting plates 11 are taken out, the cup is placed in the placing grooves 12, and convenience of the sofa is improved.

Specifically, each backrest sofa 7 is provided with a feeding trough 13 communicated with the charge holes 9, the top of each feeding trough 13 is provided with a cover 14, and a certain number of plush toys can be stored in the feeding trough 13, so that the plush toys do not need to be frequently added after being ejected every time, and the working strength of operators is reduced.

Specifically, the top of each backrest sofa 7 is inserted with a reset rod 15, the reset rod 15 inserted into the top of the backrest sofa 7 is pulled out, the bottom end of the reset rod 15 is inserted into the ejection hole 9, the ejection plate 49 is driven to move downwards to the second latch 46 to be re-engaged with the third latch 47, and finally the reset rod 15 is inserted from the top of the backrest sofa 7 again, so that the entertainment interactivity between the sofa and children is improved.

The working principle of the invention is as follows: when a child bounces off the bouncing soft plate 23, the bouncing soft plate 23 is pressed to move downwards, so that one end of the first hinge plate 254 is pressed to move downwards, and then the other end of the first hinge plate 254 and the first latch 255 are driven to move upwards synchronously, so that the second latch 46 releases the rack 256 clamped, the sliding plate 257 is driven to slide towards the corresponding backrest sofa 7 by the acting force given by the second spring 253 to the sliding plate 257, when the child bounces off, the other end of the first hinge plate 254 is reset by the two third springs 259, the sliding plate 257 intermittently slides towards the corresponding backrest sofa 7 by the continuous bouncing of the child, when the pushing block 258 arranged at one end of the sliding plate 257 moves to drive the bottom end of the second hinge plate 43 to move forwards, so that the top end of the second hinge plate 43 and the second latch 46 move synchronously, and then the clamped third latch 47 is released, the ejector plate 49 is driven to slide in the ejector holes 9 along the height direction of the ejector holes 9 by the acting force given to the ejector plate 49 by the fourth spring 50, so that plush toys at the top of the ejector plate 49 are driven to synchronously move upwards, when the ejector plate 49 moves upwards, the opening plate 45 is driven to slide in the backrest sofa 7 by the second traction rope 44, so that the top of the ejector holes 9 is exposed, the plush toys are ejected out of the ejector holes 9, four clamping assemblies 25 and four ejection parts 4 are arranged, the four clamping assemblies 25 are arranged at the top of the fixed base plate 1 at equal intervals along the circumferential direction of the fixed base plate 1, so that the plush toys are ejected from different directions according to the number of times of extrusion in the four directions of the top of the bounce soft plate 23 in the process of children bounce, play a role in entertainment, surprise and reduce the pressure, improve the entertainment diversity of the sofa, and after the plush toys are ejected, the driving motor 32 works to drive the wire reel 33 to rotate, the four sliding plates 257 are driven to reset to the initial position through the four first traction ropes 34, the first latch 255 is clamped with the rack 256, then the driving motor 32 rotates reversely, the four first traction ropes 34 are reset to the loose shape, the reset rod 15 inserted into the top of the backrest sofa 7 is drawn out, the bottom end of the reset rod 15 is inserted into the ejection hole 9, the ejection plate 49 is driven to move downwards to the second latch 46 to be clamped with the third latch 47 again, and finally the reset rod 15 is inserted into the top of the backrest sofa 7 again, so that the entertainment interactivity of the sofa and children is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multifunctional sofa is characterized in that: the bouncing and clamping device comprises a fixed base plate (1), a bouncing clamping part (2), a traction part (3) and an ejection part (4), wherein a cavity (6) is formed in the top of the fixed base plate (1), the cavity (6) is provided with a spherical surface which is in contact with the bouncing clamping part (2) in a matched manner, the bouncing clamping part (2) is arranged on the top of the fixed base plate (1), the traction part (3) is arranged at the bottom of the fixed base plate (1), four backrest sofas (7) are fixed on the outer side wall of the fixed base plate (1) at equal intervals, through holes (8) matched with the bouncing clamping part (2) are formed in one side of each backrest sofa (7), ejection holes (9) matched with the ejection part (4) are formed in the top of each backrest sofa (7), four ejection parts (4) are arranged in the four ejection holes (9) respectively, the bottom of the fixed bottom plate (1) and the bottoms of the four backrest sofas (7) are respectively provided with a plurality of supporting legs (10) at intervals.

2. The multi-purpose sofa of claim 1, wherein: bounce block part (2) is including hookup bulb (21), dead lever (22), bounce soft board (23), four first springs (24) and four block subassembly (25), hookup bulb (21) rotate to be set up in cavity (6), the bottom and the hookup bulb (21) fixed connection of dead lever (22), the top at dead lever (22), four are installed in bounce soft board (23) first spring (24) interval sets up between PMKD (1) and bounce soft board (23) to the both ends of every first spring (24) are equallyd divide do not with PMKD (1) and bounce soft board (23) fixed connection, four block subassembly (25) set up the top at PMKD (1) along the equidistant circumference of PMKD (1).

3. The multi-purpose sofa of claim 2, wherein: each clamping assembly (25) comprises a first fixing plate (251), a stretching rod (252), a second spring (253), a first hinge plate (254), a first latch (255), a rack (256), a sliding plate (257), a pushing block (258), two third springs (259) and two first supporting plates (260), the first fixing plate (251) is installed at the top of the fixing base plate (1), the sliding plate (257) is arranged at the top of the fixing base plate (1) in a sliding mode, one end of the stretching rod (252) is fixedly connected with one side of the first fixing plate (251), the other end of the stretching rod (252) is inserted into the sliding plate (257), the stretching rod (252) is in sliding fit with the sliding plate (257), the second spring (253) is sleeved on the stretching rod (252), and two ends of the second spring (253) are fixedly connected with the sliding plate (257) and the first fixing plate (251) respectively, one end of the pushing block (258) is fixedly connected with one end of the sliding plate (257), the other end of the pushing block (258) passes through the through hole (8) and extends into a backrest sofa (7), the rack gear (256) is mounted on top of the sliding plate (257), the first hinge plate (254) is disposed above the rack gear (256), the first latch (255) is arranged at the bottom of the first hinge plate (254), the first clamping teeth (255) are matched with the racks (256) in a clamping way, the two first supporting plates (260) are symmetrically arranged at two sides of the first hinge plate (254), and the top parts of the two first supporting plates (260) are rotatably connected with the middle end of the first hinge plate (254), two third springs (259) are arranged between the first hinge plate (254) and the fixed bottom plate (1), and two ends of the two third springs (259) are respectively and fixedly connected with one end of the first hinge plate (254) and the top of the fixed bottom plate (1).

4. The multi-purpose sofa of claim 3, wherein: traction part (3) are including fixed case (31), driving motor (32), wire reel (33) and four first haulage rope (34), the bottom at PMKD (1) is installed in fixed case (31), driving motor (32) are installed in the bottom of fixed case (31), the output of driving motor (32) run through fixed case (31) bottom and with wire reel (33) fixed connection, four the one end of first haulage rope (34) all with wire reel (33) fixed connection, the other end one side of four first haulage rope (34) run through fixed case (31), PMKD (1) and first fixed plate (251) and with sliding plate (257) fixed connection.

5. The multi-purpose sofa of claim 1, wherein: each ejection component (4) comprises a second fixed plate (41), a third fixed plate (42), a second hinged plate (43), a second traction rope (44), a split plate (45), a second latch (46), a third latch (47), a second support plate (48), an ejection plate (49), a fourth spring (50), two fifth springs (51) and two sixth springs (52), the second fixed plate (41) and the ejection plate (49) are arranged in the ejection hole (9) at intervals, the second fixed plate (41) is fixedly connected with the backrest sofa (7), the bottom end of the second hinged plate (43) penetrates through the second fixed plate (41) and extends out of the bottom of the second fixed plate (41), the middle end of the second hinged plate (43) is hinged to the second fixed plate (41), the second latch (46) is installed on one side of the top end of the second hinged plate (43), the fourth spring (50) is arranged between the second fixed plate (41) and the ejection plate (49), two ends of the fourth spring (50) are respectively and fixedly connected with the second fixed plate (41) and the ejection plate (49), the third fixed plate (42) is arranged at the bottom of the ejection plate (49), the third latch (47) is arranged at one side of the third fixed plate (42), the second latch (46) is in snap fit with the third latch (47), the second support plate (48) is arranged at the top of the second fixed plate (41), two fifth springs (51) are arranged between the second hinge plate (43) and the second support plate (48) at intervals, two ends of the two fifth springs (51) are respectively and fixedly connected with the second hinge plate (43) and the second support plate (48), the opening plate (45) is arranged in the backrest sofa (7) in a sliding mode, two sixth spring (52) interval sets up the one side at open plate (45) to the both ends of two sixth springs (52) are equallyd divide respectively with open plate (45) and back sofa (7) fixed connection, the one end of second haulage rope (44) and the other end fixed connection of open plate (45), the other end of second haulage rope (44) run through back sofa (7) and with launch board (49) fixed connection.

6. The multi-purpose sofa of claim 1, wherein: each side of the backrest sofa (7) is provided with a cup supporting plate (11) in a sliding mode, and each cup supporting plate (11) is provided with a placing groove (12) used for placing a cup.

7. The multi-purpose sofa of claim 1, wherein: each backrest sofa (7) is provided with a feeding trough (13) communicated with the charge hole (9), and the top of the feeding trough (13) is provided with a cover (14).

8. The multi-purpose sofa of claim 1, wherein: the top of each backrest sofa (7) is inserted with a reset rod (15).