CN209331520U - A kind of length-adjustable multifunction sofa - Google Patents

Abstract

The utility model relates to the technical fields of household items auxiliary equipment, more particularly to a kind of length-adjustable multifunction sofa, it can be reduced by flexibly adjusting the length of multifunction sofa and adjust the difficulty that multifunction sofa is more than year according to different use demands；And enhance its adaptability to the different requirements for using crowd using width by adjusting multifunction sofa；Including sofa frame, cushion and two groups of balustrade panels；It further include two groups of connecting plates, two groups of sliding panels, two groups of synchronizing bars, two groups of adjusting rings and two groups of limit threaded rods, the inner end front area and Background Region of sofa frame are respectively arranged with two groups of sliding cavities, and the inside of the bottom side of the central region of two groups of balustrade panels is respectively arranged with two groups of telescopic cavities；It further include that control panel, two groups of pull rods, two groups of band movable plates, two groups of extruding springs, two groups of adjusting blocks, two groups of pin rods, two groups of pushing plates and two groups of push the springs, the interior front region of sofa frame and Background Region are respectively arranged with two groups of extrusion chambers.

Description

A kind of length-adjustable multifunction sofa

Technical field

The utility model relates to the technical fields of household items auxiliary equipment, more particularly to a kind of length-adjustable more function It can sofa.

Background technique

It is well known that Multifunction sand bristle with anger can the multi-purpose furniture of a sofa, multi-functional couch can be placed in parlor or The function of seat is served as in study, and multi-functional couch is unfolded to spread bedding simultaneously to be exactly a doss, it is seen that Multifunction sand Hair is a kind of during normal life at home, for realizing a variety of devices using function, in the field of finishing furniture In be widely used in a variety of applications；Existing includes sofa frame, cushion and two groups of balustrade panels, and the top left hand of sofa frame rotates setting There is backrest, the top of cushion is close to the top of sofa frame, and the inner end bottom section of two groups of balustrade panels is respectively and before sofa frame End is connected with rear end；It is existing in use, buy existing multifunction sofa on the market first, then place it in finger Fixed position, and the cushion for buying sofa when institute band is mounted on sofa frame, at this moment multifunction sofa can use, If it is intended to then only needing that backrest is pushed to be stuck in backrest no longer on sofa frame, then leaning on multifunction sofa when bed use Back is laid flat；It being found in existing use, the length of multifunction sofa existing first is fixed, thus if the visitor come Then the usable floor area of multifunction sofa is inadequate when people is more, thus long according to different use demand adjusting multifunction sofas The difficulty of degree is larger, so as to cause using limitation higher；And the width of the cushion of existing multifunction sofa be it is fixed, However different users is inconsistent to the cushion width requirement of sofa, thus its fitting to the different requirements for using crowd Should be able to power it is poor, it is poor so as to cause practicability.

Utility model content

In order to solve the above technical problems, the utility model provide it is a kind of can be by flexibly adjusting the length of multifunction sofa It spends to reduce and adjust the difficulty that multifunction sofa is more than year according to different use demands, to reduce using limitation；And And enhance its adaptability to the different requirements for using crowd using width by adjusting multifunction sofa, to increase The length-adjustable multifunction sofa of strong practicability.

A kind of length-adjustable multifunction sofa of the utility model, including sofa frame, cushion and two groups of balustrade panels, it is described The top left hand rotation of sofa frame is provided with backrest, and the top of the cushion is close to the top of sofa frame；It further include two groups of companies Fishplate bar, two groups of sliding panels, two groups of synchronizing bars, two groups of adjusting rings and two groups of limit threaded rods, in the bottom end of two groups of balustrade panels Portion region is connect with the top of two groups of connecting plates respectively, is respectively arranged with two groups on the outside of the top area of two groups of synchronizing bars Rotation slot, the front-end and back-end bottom section of two groups of connecting plates are cut with scissors with the inside of the front-end and back-end of two groups of rotation slots respectively Connect, the inner end front area and Background Region of the sofa frame are respectively arranged with two groups of sliding cavities, two groups of sliding cavities it is outer End central region is provided with and respectively communicated with two groups of sliding eyes, and the inner end top area of two groups of sliding cavities is provided with and respectively communicated with Two groups of card slots, two groups of sliding panels are clamped with two groups of sliding cavity slidings respectively, and the inner end of two groups of synchronizing bars is respectively from husky The front side and rear side for sending out frame pass through two groups of sliding eyes and are respectively protruding into the inside of two groups of sliding cavities, two groups of synchronizing bars Inner end is connect with the outer end upper zone of two groups of sliding panels respectively, the inside of the bottom side of the central region of two groups of balustrade panels Two groups of telescopic cavities are respectively arranged with, the bottom end of two groups of telescopic cavities is provided with and respectively communicated with two groups of telescopic mouths, two groups of limits The top of position threaded rod passing through two groups of telescopic mouths and be respectively protruding into the inside of two groups of telescopic cavities from two groups of balustrade panels respectively, The bottom section of two groups of telescopic cavities is provided with and respectively communicated with two groups of rotation slots, two groups of adjusting rings respectively with two groups of rotations Slot rotation clamps, and the top central area of two groups of adjusting rings, which extends through, is provided with two groups of adjusting threaded holes, and described two groups It adjusts ring to fill with two groups of limit threaded rod spiral shells respectively, the outer end of the circumferential side wall of two groups of rotation slots is provided with and respectively communicated with two Group adjusts mouth, and the outer end of the circumferential side wall of two groups of adjusting rings passes through two groups of adjusting mouths respectively and stretched from two groups of rotation slots Out to the outside of two groups of balustrade panels, the bottom end of two groups of limit threaded rods is close to the Basolateral of two groups of rotation slots respectively； It further include control panel, two groups of pull rods, two groups of bands movable plates, two groups of extruding springs, two groups of adjusting blocks, two groups of pin rods, two groups of pushing plates With two groups of push the springs, the right end of the sofa frame is provided with fixing groove, the interior front region of the sofa frame and rear area Domain is respectively arranged with two groups of extrusion chambers, and the right end of two groups of extrusion chambers is connected to the front side of the left end of fixing groove and rear side respectively Two groups of stretchable holes are provided with, the inside of the equal self-retaining slot in the left end of two groups of pull rods is each passed through two groups of stretchable holes and difference The inside of two groups of extrusion chambers is stretched to, the left end of two groups of pull rods is connect with two groups of right end central areas with movable plate respectively, Two groups of extruding springs are respectively with two groups of pull rod movable sets, and two groups of extruding spring volume left end is respectively with two groups with movable plates Right end be close to, the right end of two groups of extruding springs is close to the right end of two groups of extrusion chambers respectively, the inside of the control panel Front area and Background Region are respectively arranged with two groups of mobile cavities, the left end central region of two groups of mobile cavities respectively with fixation The front area and Background Region of slot are provided with and communicated with two groups of lifting holes, and two groups of adjusting blocks are slided with two groups of mobile cavities respectively It clamps, be each passed through two groups of lifting holes in the equal self-retaining slot of the right end of two groups of pull rods and be respectively protruding into two groups of mobile cavities Inside, the right end of two groups of pull rods connect with the left end central area of two groups of adjusting blocks respectively, the left end of the control panel It is close to respectively with the left end of fixing groove and bottom end with bottom end, the lower-left end of two groups of mobile cavities and bottom righthand side are respectively communicated with setting There are two groups of pin holes, the interior bottom portion region of two groups of adjusting blocks is respectively arranged with two groups of limit chambers, two groups of limit chambers Left end central area is provided with and respectively communicated with two groups of stretching holes, and the left end of two groups of pin rods is respectively from the inside of two groups of limit chambers Extend out to the outside of two groups of limit chambers across two groups of stretching holes and respectively, the right end of two groups of pin rods respectively with two groups of promotions The left end central area of plate connects, and two groups of push the springs are clamped with two groups of limit chamber activities respectively, two groups of promotion bullets The left end of spring and right end are close to the right end of the right end of two groups of pushing plates and two groups of limit chambers respectively.

A kind of length-adjustable multifunction sofa of the utility model further includes two groups of support plates, two groups of balustrade panels Outer end central region be respectively arranged with two groups of storage grooves, the left end of two groups of support plates and the top area of right end are set respectively It is equipped with two groups of left installation axles and two groups of right installation axles, the right end difference of the left end of two groups of left installation axles and two groups of right installation axles It is rotatablely connected with the left end of two groups of storage grooves and the top area of right end.

A kind of length-adjustable multifunction sofa of the utility model further includes two groups of wind springs, two groups of wind springs difference With two groups of right installation axle movable sets of two groups of support plates, one end of two groups of wind springs is right with the top of two groups of storage grooves respectively Portion region is fixed to be clamped, and the other end of two groups of wind springs is fixed with the right end upper zone of two groups of support plates clamp respectively.

A kind of length-adjustable multifunction sofa of the utility model further includes two groups of kellies, two groups of circlips and two groups of gears Plate, the front area and Background Region of the inside of the sofa frame are respectively arranged with two groups of positioning chambers, two groups of positioning chambers Top middle portion region is provided with and communicated with two groups of card holes with the bottom end of two groups of card slots of sofa frame inside respectively, two groups of kellies Top passes through two groups of card holes from two groups of positioning chambers respectively and is respectively protruding into two groups of card slots, the bottom end of two groups of kellies Connect respectively with the top central area of two groups of baffles, two groups of circlips respectively with two groups of positioning chamber movable sets, described two The top and bottom end of group circlip are close to the bottom end of the bottom end of two groups of baffles and two groups of positioning chambers respectively, two groups of sliding panels Top middle portion region is respectively arranged with two groups of locating slots.

A kind of length-adjustable multifunction sofa of the utility model further includes two groups of promotion springs, two groups of promotions The bottom end of spring is connect with the top on the top of two groups of adjusting blocks and two groups of mobile cavities respectively.

A kind of length-adjustable multifunction sofa of the utility model, the right end central region of the control panel are provided with out Close slot.

A kind of length-adjustable multifunction sofa of the utility model further includes two groups of non-slip mats, two groups of support plates Bottom end connect respectively with the top of two groups of non-slip mats.

A kind of length-adjustable multifunction sofa of the utility model further includes two groups of hooks, two groups of hanging rods and two groups of peaces Ring is filled, the inner end of the circumferential side wall of two groups of mounting rings is connect with the outer end central region of two groups of support plates respectively, and described two Respectively with two groups of mounting ring movable sets, the bottom end of two groups of hanging rods is respectively arranged with two groups of stay hooks on the top of group hanging rod, The inner end of two groups of hooks is connect with the upside of the outer end central region of two groups of balustrade panels respectively.

Compared with prior art the utility model has the following beneficial effects: pushing two groups of adjustings respectively according to actual needs first Ring rotates two groups of adjusting rings in two groups of balustrade panels respectively, then two groups of limit screw threads respectively in the middle part of two groups of adjusting rings on It moves, until stop operating two groups of adjusting rings, then drags respectively when two groups of limit threaded rods are fully retracted to two groups of balustrade panels Two groups of synchronizing bars drive two groups of sliding panels to move up, when two groups of sliding panels be moved to the top of two groups of sliding cavities of sofa frame when It waits, pushes two groups of synchronizing bars that two groups of sliding panels are pushed into respectively in two groups of card slots respectively, then by two groups of balustrade panels around even Fishplate bar and synchronizing bar hinged place turn to level, and push two groups of balustrade panels that two groups of connecting plates is made to push two groups of sliding panels respectively Continue the internal slide to two groups of card slots, until the bottom end of two groups of balustrade panels is close to the both ends of sofa frame respectively, at this moment People can be sat on two groups of balustrade panels, the bottom end of two groups of connecting plates squeezes the bottom end of the rotation slot of two groups of synchronizing bars respectively at this time Two groups of balustrade panels are limited respectively, just increase the length of sofa in this way, to pass through the length for flexibly adjusting multifunction sofa It is more than annual difficulty that degree, which reduces and adjusts multifunction sofa according to different use demands, thus is reduced using limitation； And can drop control panel makes control panel that two groups of adjusting blocks be driven to be displaced outwardly respectively, and then two groups of adjusting blocks pass through two respectively Group pull rod pulls two groups of band movable plates to squeeze two groups of extruding springs and move outward, when the top of control panel is completely from the bottom of cushion When end removes, control panel is at this moment carried upwards, while two groups of adjusting blocks slide in control panel respectively, then work as control panel Top and cushion top when same level, at this moment two groups of push the springs pass through two groups of pushing plates respectively and push two Group pin rod is stuck in two groups of pin holes, at this moment by the control panel just frame width of sofa, to be made by adjusting multifunction sofa Its adaptability to the different requirements for using crowd is enhanced with width, thus enhances practicability.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the sliding panel of the utility model and the attachment structure schematic diagram of synchronizing bar；

Fig. 3 is the partial enlargement structural representation of the A of the utility model.

It is attached marked in the figure: 1, sofa frame；2, cushion；3, two groups of balustrade panels；4, two groups of connecting plates；5, two groups of sliding panels；6, Two groups of synchronizing bars；7, two groups of adjusting rings；8, two groups of limit threaded rods；9, control panel；10, two groups of pull rods；11, two groups of band movable plates； 12, two groups of extruding springs；13, two groups of adjusting blocks；14, two groups of pin rods；15, two groups of pushing plates；16, two groups of push the springs；17, two Group support plate；18, two groups of wind springs；19, two groups of kellies；20, two groups of circlips；21, two groups of baffles；22, two groups of promotion springs；23, Switch slot；24, two groups of non-slip mats；25, two groups of hooks；26, two groups of hanging rods；27, two groups of mounting rings.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

As shown in Figure 1 to Figure 3, a kind of length-adjustable multifunction sofa of the utility model, including sofa frame 1, cushion 2 Top left hand rotation with two groups of balustrade panels 3, sofa frame 1 is provided with backrest, and the top of cushion 2 is close to the top of sofa frame 1； It further include 4, two groups of two groups of connecting plates, 5, two groups of sliding panel synchronizing bar, 6, two groups of adjusting rings 7 and two groups of limit threaded rods 8, two groups are helped The center bottom region of palm 3 is connect with the top of two groups of connecting plates 4 respectively, the outside point of the top area of two groups of synchronizing bars 6 Be not provided with two groups of rotation slots, the front-end and back-end bottom section of two groups of connecting plates 4 respectively with the front end of two groups of rotation slots and after The inside at end is hinged, and the inner end front area and Background Region of sofa frame 1 are respectively arranged with two groups of sliding cavities, two groups of sliding cavities Outer end central region is provided with and respectively communicated with two groups of sliding eyes, and the inner end top area of two groups of sliding cavities is provided with and respectively communicated with two Group card slot, two groups of sliding panels 5 are clamped with two groups of sliding cavity slidings respectively, and the inner end of two groups of synchronizing bars 6 is respectively from before sofa frame 1 Side and rear side pass through two groups of sliding eyes and are respectively protruding into the inside of two groups of sliding cavities, the inner end of two groups of synchronizing bars 6 respectively with The outer end upper zone connection of two groups of sliding panels 5, the inside of the bottom side of the central region of two groups of balustrade panels 3 is respectively arranged with two Group telescopic cavity, the bottom end of two groups of telescopic cavities are provided with and respectively communicated with two groups of telescopic mouths, the top of two groups of limit threaded rods 8 respectively from Two groups of balustrade panels 3 pass through two groups of telescopic mouths and are respectively protruding into the inside of two groups of telescopic cavities, the bottom zone of two groups of telescopic cavities Domain is provided with and respectively communicated with two groups of rotation slots, and two groups of adjusting rings 7 are clamped with two groups of rotation slots rotations respectively, two groups of adjusting rings 7 Top central area, which extends through, is provided with two groups of adjusting threaded holes, two groups of adjusting rings 7 respectively with two groups of 8 spiral shells of limit threaded rod Dress, the outer end of the circumferential side wall of two groups of rotation slots are provided with and respectively communicated with two groups of adjusting mouths, the circumferential side wall of two groups of adjusting rings 7 Outer end passes through two groups of adjusting mouths from two groups of rotation slots respectively and extend out to the outside of two groups of balustrade panels 3, two groups of limit screw threads It is close to respectively with the Basolateral of two groups of rotation slots the bottom end of bar 8；It further include 9, two groups of control panel, 10, two groups of pull rod band movable plate 11, two groups of 12, two groups of extruding spring, 13, two groups of adjusting block pin rod, 14, two groups of pushing plates 15 and two groups of push the springs 16, sofa frame 1 right end is provided with fixing groove, and the interior front region of sofa frame 1 and Background Region are respectively arranged with two groups of extrusion chambers, and two groups The right end of extrusion chamber is provided with and communicated with two groups of stretchable holes, a left side for two groups of pull rods 10 with the front side of the left end of fixing groove and rear side respectively It holds the inside of equal self-retaining slot to be each passed through two groups of stretchable holes and is respectively protruding into the inside of two groups of extrusion chambers, two groups of pull rods 10 Left end connect respectively with two groups of right end central areas with movable plate 11, two groups of extruding springs 12 respectively with two groups of pull rods, 10 activity Suit, two groups of 12 volume left ends of extruding spring are close to two groups of right ends with movable plate 11 respectively, the right end point of two groups of extruding springs 12 It not to be close to the right end of two groups of extrusion chambers, the interior front region of control panel 9 and Background Region are respectively arranged with two groups of mobile cavities, The left end central region of two groups of mobile cavities is provided with and communicated with two groups of lifting holes with the front area of fixing groove and Background Region respectively, Two groups of adjusting blocks 13 are clamped with two groups of mobile cavity slidings respectively, are each passed through two groups in the equal self-retaining slot of the right end of two groups of pull rods 10 It lifting hole and is respectively protruding into the inside of two groups of mobile cavities, the right end of two groups of pull rods 10 left end with two groups of adjusting blocks 13 respectively Central area connection, the left end and bottom end of control panel 9 are close to the left end of fixing groove and bottom end respectively, the lower-left of two groups of mobile cavities End and bottom righthand side are provided with and respectively communicated with two groups of pin holes, and the interior bottom portion region of two groups of adjusting blocks 13 is respectively arranged with two groups of limits Chamber, the left end central area of two groups of limit chambers are provided with and respectively communicated with two groups of stretching holes, and the left end of two groups of pin rods 14 is respectively from two The inside of group limit chamber passes through two groups of stretching holes and extend out to the outside of two groups of limit chambers respectively, the right end point of two groups of pin rods 14 It not being connect with the left end central area of two groups of pushing plates 15, two groups of push the springs 16 are clamped with two groups of limit chamber activities respectively, and two The left end of group push the spring 16 and right end are close to the right end of the right end of two groups of pushing plates 15 and two groups of limit chambers respectively；Root first Two groups of adjusting rings are pushed to rotate two groups of adjusting rings in two groups of balustrade panels respectively respectively according to actual demand, then two groups of limit spiral shells Line moves up in the middle part of two groups of adjusting rings respectively, until stopping turning when two groups of limit threaded rods are fully retracted to two groups of balustrade panels Two groups of adjusting rings are moved, two groups of synchronizing bars is then dragged respectively and two groups of sliding panels is driven to move up, when two groups of sliding panels are moved to sofa When the top of two groups of sliding cavities of frame, push two groups of synchronizing bars that two groups of sliding panels are pushed into two groups of card slots respectively respectively It is interior, two groups of balustrade panels are then turned into level around connecting plate and synchronizing bar hinged place, and two groups of balustrade panels is pushed to make two Group connecting plate push two groups of sliding panels to continue the internal slide to two groups of card slots respectively, until two groups of balustrade panels bottom end respectively with The both ends of sofa frame are close to, and at this moment can sit people on two groups of balustrade panels, the bottom end of two groups of connecting plates is squeezed respectively at this time It presses the bottom end of the rotation slot of two groups of synchronizing bars to limit respectively to two groups of balustrade panels, just increases the length of sofa in this way, thus logical Crossing the flexible length for adjusting multifunction sofa and reducing according to different use demand adjusting multifunction sofas is more than year Difficulty, thus reduce using limitation；And can drop control panel makes control panel that two groups of adjusting blocks be driven to be moved out respectively Dynamic, then two groups of adjusting blocks pull two groups of band movable plates to squeeze two groups of extruding springs and move outward by two groups of pull rods respectively, When the top of control panel is removed from the bottom end of cushion completely, control panel, while two groups of adjusting blocks point are at this moment carried upwards It does not slide in control panel, then when the top of control panel and the top of cushion are when same level, at this moment pushes away for two groups Spring of moving passes through two groups of pushing plates respectively and two groups of pin rods pushed to be stuck in two groups of pin holes, at this moment passes through control panel just frame sofa Width, to enhance its adaptation energy to the different requirements for using crowd using width by adjusting multifunction sofa Power, thus enhance practicability.

A kind of length-adjustable multifunction sofa of the utility model, further includes two groups of support plates 17, two groups of balustrade panels 3 Outer end central region is respectively arranged with two groups of storage grooves, and the left end of two groups of support plates 17 and the top area of right end are respectively arranged with Two groups of left installation axles and two groups of right installation axles, the left end of two groups of left installation axles and the right end of two groups of right installation axles are deposited with two groups respectively Put the left end of slot and the top area rotation connection of right end；It, can be by two groups of branch when two groups of balustrade panels are gone to level Fagging is produced out of two groups storage grooves respectively to be come, and can play the role of support to two groups of balustrade panels in this way, can to enhance By property.

A kind of length-adjustable multifunction sofa of the utility model, further includes two groups of wind springs 18, and two groups of wind springs 18 are distinguished With two groups of right installation axle movable sets of two groups of support plates 17, one end of two groups of wind springs 18 is right with the top of two groups of storage grooves respectively Portion region is fixed to be clamped, and the other end of two groups of wind springs 18 is fixed with the right end upper zone of two groups of support plates 17 clamp respectively； Two groups of support plates can be made to be capable of fixing in two groups of storage grooves when not in use by two groups of wind springs, to enhance reality The property used.

A kind of length-adjustable multifunction sofa of the utility model further includes two groups of kellies, 19, two groups of circlips 20 and two Group baffle 21, the front area and Background Region of the inside of sofa frame 1 are respectively arranged with two groups of positioning chambers, the top of two groups of positioning chambers End central region is provided with and communicated with two groups of card holes, the top of two groups of kellies 19 with the bottom end of two groups of card slots of sofa frame 1 inside respectively End passes through two groups of card holes from two groups of positioning chambers respectively and is respectively protruding into two groups of card slots, the bottom end difference of two groups of kellies 19 Connect with the top central area of two groups of baffles 21, two groups of circlips 20 respectively with two groups of positioning chamber movable sets, two groups of circlips 20 Top and bottom end be close to respectively with the bottom end of the bottom end of two groups of baffles 21 and two groups of positioning chambers, in the top of two groups of sliding panels 5 Portion region is respectively arranged with two groups of locating slots；Two groups of sliding panels slide into two groups of card slots it is innermost when, at this moment two groups Circlip passes through two groups of baffles respectively and two groups of kellies is pushed to stretch out two groups of positioning chambers, and stretches to two groups of positioning of two groups of sliding panels In slot, then two groups of sliding panels have just been stuck in two groups of card slots by two groups of kellies, reduce two groups of sliding panels in two groups of card slots The probability of sliding, to reduce using limitation.

A kind of length-adjustable multifunction sofa of the utility model further includes two groups of promotion springs 22, two groups of promotion bullets The bottom end of spring 22 is connect with the top on the top of two groups of adjusting blocks 13 and two groups of mobile cavities respectively；Distinguished by two groups of promotion springs Push two groups of adjusting blocks that control panel can be made to move up more laborsaving, to enhance practicability.

A kind of length-adjustable multifunction sofa of the utility model, the right end central region of control panel 9 are provided with switch Slot 23；Finger, which stretches to, can make the adjusting of control panel more convenient in switch slot, to enhance convenience.

A kind of length-adjustable multifunction sofa of the utility model further includes two groups of non-slip mats 24, two groups of support plates 17 Bottom end connect respectively with the top of two groups of non-slip mats 24；It can make two groups of support plates by two groups of protective pads and place face contact It is more stable, the probability that the bottom end of two groups of support plates is slided on placed side is effectively reduced, to enhance reliability.

A kind of length-adjustable multifunction sofa of the utility model further includes two groups of hooks, 25, two groups of hanging rods 26 and two Group mounting ring 27, the inner end of the circumferential side wall of two groups of mounting rings 27 are connect with the outer end central region of two groups of support plates 17 respectively, Respectively with two groups of 27 movable sets of mounting ring, the bottom end of two groups of hanging rods 26 is respectively arranged with two groups and fixes on the top of two groups of hanging rods 26 Hook, the inner end of two groups of hooks 25 are connect with the upside of the outer end central region of two groups of balustrade panels 3 respectively；By two groups of support plate tune After section to vertical state, the fixation of two groups of hanging rods is hooked on two groups of hooks respectively, can prevent support plate from tilting in this way, To enhance practicability.

A kind of length-adjustable multifunction sofa of the utility model is bought existing on the market first at work Then some multifunction sofas place it in specified position, and the cushion for buying sofa when institute band are mounted on sofa On frame, at this moment multifunction sofa can be used, if it is desired to by multifunction sofa when bed use, then only need to push backrest It is stuck in backrest no longer on sofa frame, then by backrest fold-down, during multifunction sofa use, if necessary to adjust It is saved using length, two groups of adjusting rings is pushed to make two groups of adjusting rings respectively in two groups of balustrade panels respectively according to actual needs first Rotation, then two groups of limit screw threads move up in the middle part of two groups of adjusting rings respectively, until two groups of limit threaded rods are fully retracted to two When in group balustrade panel, stop operating two groups of adjusting rings, then drags two groups of synchronizing bars respectively and two groups of sliding panels is driven to move up, when two When group sliding panel is moved to the top of two groups of sliding cavities of sofa frame, push two groups of synchronizing bars by two groups of sliding panels point respectively It is not pushed into two groups of card slots, two groups of balustrade panels is then turned into level around connecting plate and synchronizing bar hinged place, and push away Dynamic two groups of balustrade panels make two groups of connecting plates that two groups of sliding panels be pushed to continue the internal slide to two groups of card slots respectively, until two groups are helped The bottom end of palm is close to the both ends of sofa frame respectively, at this moment can sit people on two groups of balustrade panels, at this time two groups of companies The bottom end that the bottom end of fishplate bar squeezes the rotation slot of two groups of synchronizing bars respectively respectively limits two groups of balustrade panels, just increases sand in this way The length of hair, if it is desired to increase it using width, can drop control panel by switch slot makes control panel drive two groups respectively Adjusting block is displaced outwardly, and then two groups of adjusting blocks pull two groups of band movable plates to squeeze two groups of extruding springs by two groups of pull rods respectively It moves outward, when the top of control panel is removed from the bottom end of cushion completely, at this moment carries control panel, while two upwards Group adjusting block slides in control panel respectively, then when the top of control panel and the top of cushion are when same level, At this moment two groups of push the springs pass through two groups of pushing plates two groups of pin rods of promotion respectively and are stuck in two groups of pin holes, at this moment just by control panel The frame width of sofa.

Term as used herein "front", "rear", "left", "right" and similar statement are for illustrative purposes only.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into modification.

Claims (8)

1. a kind of length-adjustable multifunction sofa, including sofa frame (1), cushion (2) and two groups of balustrade panels (3), the sofa The top left hand rotation of frame (1) is provided with backrest, and the top of the cushion (2) is close to the top of sofa frame (1)；Its feature exists In further including two groups of connecting plates (4), two groups of sliding panels (5), two groups of synchronizing bars (6), two groups of adjusting rings (7) and two groups of limit spiral shells The center bottom region of rasp bar (8), two groups of balustrade panels (3) is connect with the top of two groups of connecting plates (4) respectively, and described two groups Two groups of rotation slots, the front-end and back-end bottom of two groups of connecting plates (4) are respectively arranged on the outside of the top area of synchronizing bar (6) Portion region is hinged with the inside of the front-end and back-end of two groups of rotation slots respectively, and the inner end front area of the sofa frame (1) is with after Portion region is respectively arranged with two groups of sliding cavities, and the outer end central region of two groups of sliding cavities is provided with and respectively communicated with two groups of slidings Hole, the inner end top area of two groups of sliding cavities are provided with and respectively communicated with two groups of card slots, two groups of sliding panels (5) respectively with Two groups of sliding cavity slidings clamp, and the inner end of two groups of synchronizing bars (6) passes through two groups from the front side of sofa frame (1) and rear side respectively Sliding eye and be respectively protruding into the inside of two groups of sliding cavities, the inner end of two groups of synchronizing bars (6) respectively with two groups of sliding panels (5) outer end upper zone connection, the inside of the bottom side of the central region of two groups of balustrade panels (3) is respectively arranged with two groups Telescopic cavity, the bottom end of two groups of telescopic cavities are provided with and respectively communicated with two groups of telescopic mouths, the top of two groups of limit threaded rods (8) End passing through two groups of telescopic mouths and be respectively protruding into the inside of two groups of telescopic cavities, described two groups from two groups of balustrade panels (3) respectively The bottom section of telescopic cavity is provided with and respectively communicated with two groups of rotation slots, and two groups of adjusting rings (7) turn with two groups of rotation slots respectively Dynamic to clamp, the top central area of two groups of adjusting rings (7), which extends through, is provided with two groups of adjusting threaded holes, two groups of tune It saves ring (7) to fill with two groups of limit threaded rod (8) spiral shells respectively, the outer end of the circumferential side wall of two groups of rotation slots is respectively communicated with setting There are two groups of adjusting mouths, the outer end of the circumferential side wall of two groups of adjusting rings (7) passes through two groups of adjustings from two groups of rotation slots respectively Mouthful and extend out to the outsides of two groups of balustrade panels (3), the bottom end of two groups of limit threaded rods (8) respectively with two groups of rotation slots Basolateral is close to；It further include control panel (9), two groups of pull rods (10), two groups of bands movable plate (11), two groups of extruding springs (12), two Group adjusting block (13), two groups of pin rods (14), two groups of pushing plates (15) and two groups of push the springs (16), the right side of the sofa frame (1) End is provided with fixing groove, and the interior front region of the sofa frame (1) and Background Region are respectively arranged with two groups of extrusion chambers, described The right end of two groups of extrusion chambers is provided with and communicated with two groups of stretchable holes, two groups of drawings with the front side of the left end of fixing groove and rear side respectively The inside of the equal self-retaining slot in the left end of bar (10) is each passed through two groups of stretchable holes and is respectively protruding into the inside of two groups of extrusion chambers, The left end of two groups of pull rods (10) is connect with two groups of right end central areas with movable plate (11) respectively, two groups of extruding springs (12) respectively with two groups of pull rod (10) movable sets, two groups of extruding springs (12) volume left end is respectively with two groups with movable plate (11) Right end be close to, the right end of two groups of extruding springs (12) is close to the right end of two groups of extrusion chambers respectively, the control panel (9) Interior front region and Background Region be respectively arranged with two groups of mobile cavities, the left end central region difference of two groups of mobile cavities Be provided with and communicated with two groups of lifting holes with the front area and Background Region of fixing groove, two groups of adjusting blocks (13) respectively with two groups Mobile cavity sliding clamps, and is each passed through two groups of lifting holes in the equal self-retaining slot of right end of two groups of pull rods (10) and stretches respectively Enter to the inside of two groups of mobile cavities, the right end of two groups of pull rods (10) the left end central area with two groups of adjusting blocks (13) respectively Connection, the left end and bottom end of the control panel (9) are close to the left end of fixing groove and bottom end respectively, a left side for two groups of mobile cavities Lower end and bottom righthand side are provided with and respectively communicated with two groups of pin holes, and the interior bottom portion region of two groups of adjusting blocks (13) is respectively arranged with Two groups of limit chambers, the left end central area of two groups of limit chambers are provided with and respectively communicated with two groups of stretching holes, two groups of pin rods (14) left end passes through two groups of stretching holes from the inside of two groups of limit chambers respectively and extend out to the outside of two groups of limit chambers respectively, The right end of two groups of pin rods (14) is connect with the left end central area of two groups of pushing plates (15) respectively, two groups of push the springs (16) clamped respectively with two groups of limit chamber activities, the left end of two groups of push the springs (16) and right end respectively with two groups of pushing plates (15) right end of right end and two groups of limit chambers is close to.

2. a kind of length-adjustable multifunction sofa as described in claim 1, which is characterized in that further include two groups of support plates (17), the outer end central region of two groups of balustrade panels (3) is respectively arranged with two groups of storage grooves, two groups of support plates (17) The top area of left end and right end is respectively arranged with two groups of left installation axles and two groups of right installation axles, a left side for two groups of left installation axles The right end of end and two groups of right installation axles respectively with the rotation connection of the top area of the left end of two groups of storage grooves and right end.

3. a kind of length-adjustable multifunction sofa as claimed in claim 2, which is characterized in that further include two groups of wind springs (18), two groups of wind springs (18) respectively with two groups of right installation axle movable sets of two groups of support plates (17), two groups of wind springs (18) one end is fixed with the top right areas of two groups of storage grooves clamp respectively, the other end difference of two groups of wind springs (18) With the fixed clamping in right end upper zone of two groups of support plates (17).

4. a kind of length-adjustable multifunction sofa as claimed in claim 3, which is characterized in that further include two groups of kellies (19), two groups of circlips (20) and two groups of baffles (21), the front area and Background Region of the inside of the sofa frame (1) are set respectively Two groups of positioning chambers are equipped with, the top middle portion region of two groups of positioning chambers is respectively and in the bottom end of two groups of card slots of sofa frame (1) Side is provided with and communicated with two groups of card holes, the top of two groups of kellies (19) passed through respectively from two groups of positioning chambers two groups of card holes and It is respectively protruding into two groups of card slots, the bottom end of two groups of kellies (19) connects with the top central area of two groups of baffles (21) respectively It connects, two groups of circlips (20) are distinguished with two groups of positioning chamber movable sets, the top of two groups of circlips (20) and bottom end respectively It is close to the bottom end of the bottom end of two groups of baffles (21) and two groups of positioning chambers, the top middle portion region point of two groups of sliding panels (5) It is not provided with two groups of locating slots.

5. a kind of length-adjustable multifunction sofa as claimed in claim 4, which is characterized in that further include two groups of promotion springs (22), the bottom end of two groups of promotion springs (22) connects with the top of two groups of adjusting blocks (13) and the top of two groups of mobile cavities respectively It connects.

6. a kind of length-adjustable multifunction sofa as claimed in claim 5, which is characterized in that the right side of the control panel (9) End central region is provided with switch slot (23).

7. a kind of length-adjustable multifunction sofa as claimed in claim 6, which is characterized in that further include two groups of non-slip mats (24), the bottom end of two groups of support plates (17) is connect with the top of two groups of non-slip mats (24) respectively.

8. a kind of length-adjustable multifunction sofa as claimed in claim 7, which is characterized in that further include two groups of hooks (25), two groups of hanging rods (26) and two groups of mounting rings (27), the inner end of the circumferential side wall of two groups of mounting rings (27) is respectively with two The outer end central region connection of group support plate (17), the top of two groups of hanging rods (26) are movable with two groups of mounting rings (27) respectively Suit, the bottom end of two groups of hanging rods (26) are respectively arranged with two groups of stay hooks, the inner end of two groups of hooks (25) respectively with The upside of the outer end central region of two groups of balustrade panels (3) connects.