CN213757463U

CN213757463U - Stretchable comfortable office sofa

Info

Publication number: CN213757463U
Application number: CN202023165423.9U
Authority: CN
Inventors: 苏付团; 向光文
Original assignee: Foshan Zhongde Wenyi Furniture Manufacturing Co ltd
Current assignee: Foshan Zhongde Wenyi Furniture Manufacturing Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-07-23
Anticipated expiration: 2030-12-24

Abstract

The application relates to an extensible comfortable office sofa, which comprises a main seat body, wherein the main seat body comprises a backrest seat, armrest seats fixedly arranged on two sides of the backrest seat and a main cushion, one side of the main cushion is rotatably arranged between the two armrest seats; the auxiliary seat body comprises an auxiliary support located on one side of the main seat body and an auxiliary cushion fixedly arranged on one side of the top of the auxiliary support, the main cushion and the auxiliary support are overlapped, the auxiliary cushion is linked, and the auxiliary seat body can be fixedly accommodated between the two armrest seats through the locking assembly. This application is the horizontal plane through assisting the cushion and splicing each other with main cushion, prolongs the length of sofa, assists the fixed storage of pedestal accessible locking Assembly inside main seat body simultaneously, reaches the effect that reduces space area occupied, improves the space utilization of sofa.

Description

Stretchable comfortable office sofa

Technical Field

The application relates to the field of furniture, in particular to a comfortable office sofa capable of being stretched.

Background

The office sofa is specially suitable for offices, office and meeting occasions and can be divided into leather sofas, cloth sofas, wooden sofas, rattan sofas and the like. In the office space, when people need to have a rest in the middle of the day or at night, the sofa can be used as an ideal tool for rest and relaxation, soft contact and comfort are provided, and work fatigue is relieved.

At present, the length of the single sofa is limited, the single sofa is inconvenient to lie and sleep, the occupied space of the couch is large, the limitation of space is more obvious easily under the condition that the existing population is concentrated or the office space is concentrated, the function is single, and the adaptability requirement of people on the sofa can not be met.

SUMMERY OF THE UTILITY MODEL

In order to provide the sofa that can adjust length as required, improve space utilization, this application provides a comfortable office sofa that can stretch.

The application provides a comfortable type office sofa that can stretch adopts following technical scheme:

an extendable comfortable office sofa comprising:

the main seat body comprises a backrest seat, armrest seats fixedly arranged on two sides of the backrest seat and a main cushion, wherein one side of the main cushion is rotatably arranged between the two armrest seats;

the auxiliary seat body comprises an auxiliary support located on one side of the main seat body and an auxiliary cushion fixedly arranged on one side of the top of the auxiliary support, the main cushion and the auxiliary support are in lap joint, the auxiliary cushion is linked, and the auxiliary seat body can be fixedly accommodated between the two armrest seats through the locking assembly.

Adopt above-mentioned technical scheme, it is the horizontal plane to splice each other through assisting cushion and main cushion, the length of extension sofa, so that people lie on the sofa and sleep, when the occupation space of sofa needs to be reduced, with main cushion upset to with back plane butt state, will assist the pedestal to promote between two handrail seats, assist the position that the cushion replaces main cushion, main cushion is as the back of sofa, utilize the locking Assembly will assist the pedestal to fix inside the main pedestal, make and assist pedestal and main pedestal and can stabilize and be connected, reach the effect that reduces space area occupied, improve the space utilization of sofa.

Preferably, the auxiliary support comprises an upper frame and a plurality of vertical beams fixedly arranged on the upper frame, the main seat body is provided with a cutting rod, and the vertical beam close to the main seat body is positioned on one side of the cutting rod facing the backrest seat.

Adopt above-mentioned technical scheme, assist the pedestal and be close to or keep away from the gliding in-process of main pedestal, partly erect the roof beam and lie in all the time between section pole and back seat, when erecting roof beam and section pole looks butt, assist the cushion and remove to linking up the position mutually with horizontally main cushion, the sliding distance of assisting the pedestal can be restricted to this structure, can prevent to assist the pedestal and break away from with the main pedestal mutually.

Preferably, the locking assembly comprises a clamping wheel rotatably arranged on the upper frame, the bottom of the clamping wheel is lower than the top of the intercepting bar, and when the auxiliary seat body is accommodated between the two armrest seats, the clamping wheel abuts against one surface of the intercepting bar facing the backrest seat.

Adopt above-mentioned technical scheme, when will assist pedestal propelling movement to main pedestal inside, the catch wheel drives and assists pedestal uplift when the truncation pole position, descends afterwards, makes the catch wheel restriction between truncation pole and back seat, because the effort of human action on the sofa is down, makes the catch wheel be difficult to cross the truncation pole, thereby makes and assists the pedestal to be difficult to break away from main pedestal, when needing to break away from, the pulling assists the pedestal, makes the catch wheel upwards raise and cross the truncation pole, realizes the extension of sofa.

Preferably, the sofa is still including being located the inferior pedestal of assisting pedestal dorsad main seat body one side, inferior pedestal passes through glide machanism and assists the horizontal sliding connection of pedestal, inferior pedestal includes the inferior support and sets up in the inferior cushion of inferior support top through folding mechanism, folding mechanism is used for adjusting the lift of inferior cushion, folding mechanism includes that the link assembly that provides the support and can fold respectively to inferior cushion both sides props the subassembly with assisting, inferior cushion links up with assisting the cushion mutually.

Adopt above-mentioned technical scheme, inferior pedestal slides to assisting the pedestal one side of main pedestal dorsad from the inside of assisting the pedestal through glide machanism, utilizes link assembly and assistance to prop the subassembly afterwards and support inferior cushion, makes and moves to and assist the cushion and link up the position mutually on inferior cushion, can increase the length of sofa to satisfy the higher crowd of height and use.

Preferably, link assembly rotates the turning handle and links the handle of being connected including bearing the handle and all with inferior support, bear the handle and include both connecting portion and the extension that are obtuse angle and connect, connecting portion and turning handle are kept away from inferior support one end and are rotated and be connected, the handle is even kept away from the one end of inferior support and is kept away from turning handle one end with connecting portion and rotate and be connected, connecting portion one end is kept away from to the extension and is rotated with inferior cushion bottom and be connected, the lateral wall of inferior support just is located the fixed dog that is provided with in turning handle top, the draw-in groove with dog looks joint is seted up to the turning handle.

By adopting the technical scheme, when the clamping groove is clamped with the stop block, the connecting rod assembly is in an extending state, the secondary cushion is flush with the auxiliary cushion at the moment, when the bearing handle is subjected to downward acting force provided by the secondary cushion, the connecting handle and the side edge of the secondary support are arranged in an obtuse angle, so that the connecting part and the connecting handle can be enclosed with the side edge of the secondary support to form a stable triangular supporting structure to limit the linear descending of the bearing handle and separate the stop block from the clamping groove, at the moment, the extending part can only generate a downward overturning trend around the connecting point of the extending part and the connecting handle, and the overturning of the extending part is limited through the clamping matching of the stop block and the clamping groove, so that the stable support of the connecting rod assembly is realized; when the support of the connecting rod assembly needs to be relieved, the secondary cushion is lifted upwards to be away from one side of the connecting rod assembly, the secondary cushion is driven to move back to the direction of the extending part, the extending part can be overturned around the connecting point of the extending part and the connecting handle, the stop block is separated from the clamping groove, the connecting handle is driven to overturn afterwards, the extending part is overturned to be arranged at an acute angle with the side edge of the secondary support, the bearing handle can be moved downwards, folded and collected, and the auxiliary support assembly does not block the folding and collection of the connecting rod assembly.

Preferably, the auxiliary supporting assembly is an inclined rod which is arranged towards the connecting rod assembly in an inclined mode, and two ends of the inclined rod are respectively connected with the secondary support and the secondary cushion in a rotating mode.

Adopt above-mentioned technical scheme, coupling assembling supports when the time cushion with assisting the subassembly that props, inferior cushion provides decurrent effort to the down tube, and the down tube produces the trend of angle change with inferior cushion simultaneously, makes time cushion provide the horizontal back of the body down trend of down tube direction displacement and vertical to the extension, and dog and draw-in groove restriction extension are the upset motion to the upset trend motion of indirect restriction down tube makes the down tube can stabilize and support inferior cushion.

Preferably, the sliding mechanism comprises a sliding piece fixedly arranged on the secondary support and a cross rod fixedly arranged on the vertical beam, and the cross rod is provided with a sliding rail in sliding connection with the sliding piece.

Adopt above-mentioned technical scheme, time pedestal passes through folding mechanism receipts and closes when inferior support, and the height of time cushion this moment reduces, and inferior support drives inferior cushion and removes towards assisting the pedestal, improves the guide effect through the saddle in the slide rail, makes inferior cushion remove to assist the cushion below, realizes accomodating, can reduce space area occupied.

Preferably, one end of the cross rod close to the secondary base body is fixedly provided with a limiting rod penetrating through the slide rail, and the limiting rod is used for preventing the slide piece from separating from the slide rail.

By adopting the technical scheme, when the secondary seat body moves and extends back to the auxiliary seat body, the sliding piece slides in the sliding rail to the position abutting against the limiting rod, the secondary seat cushion can rise to the position abutting against the auxiliary seat cushion through the folding mechanism at the moment, the limiting rod limits the moving distance of the secondary seat body, and the secondary seat body is prevented from being separated from the auxiliary seat body.

Preferably, the fixed apron that is provided with in one side of assisting the pedestal is kept away from to inferior support, works as inferior cushion and assisting the cushion at same time, the apron is located inferior cushion below, works as when inferior cushion descends to the least significant end, the apron is located one side of inferior cushion assistance pedestal dorsad.

Adopt above-mentioned technical scheme, time cushion rises to and assists the cushion when linking up the position mutually, and the apron is kept away from to assist cushion one side to time cushion and is provided the bearing effect, can strengthen the stability of time cushion.

Preferably, the bottom of the auxiliary seat body and the bottom of the secondary seat body are both provided with rollers.

Adopt above-mentioned technical scheme, assist pedestal and time pedestal to accomodate or expand the in-process, the gyro wheel is convenient for assist the sliding motion of pedestal and time pedestal, reduces the friction with ground, the simple operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the auxiliary seat cushion and the main seat cushion are spliced to form a horizontal plane, so that the length of the sofa is prolonged, people can lie on the sofa for sleeping, when the occupied space of the sofa needs to be reduced, the auxiliary seat body can be accommodated in the main seat body and is fixed by the locking assembly, the effect of reducing the occupied space is achieved, and the space utilization rate of the sofa is improved;

2. when the auxiliary seat body is pushed into the main seat body, the clamping wheel is limited between the intercepting rod and the backrest seat, and the clamping wheel is difficult to cross the intercepting rod due to downward acting force of a human body acting on the sofa, so that the auxiliary seat body is difficult to separate from the main seat body;

3. the inferior pedestal slides to assisting the pedestal one side of main pedestal dorsad from the inside of assisting the pedestal through glide machanism, utilizes link assembly and assistance to prop the subassembly afterwards and support inferior cushion, makes and moves to and assist the cushion and link up the position mutually on inferior cushion, can increase the length of sofa to satisfy the higher crowd of height and use.

Drawings

Fig. 1 is a schematic view of an extendable comfortable office sofa according to an embodiment of the present application;

fig. 2 is a schematic view showing an extended cross-sectional structure of an extendable comfortable office sofa according to an embodiment of the present application;

FIG. 3 is a partially enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic view of a collapsible structure of an extendable comfort office sofa according to an embodiment of the present application;

fig. 5 is a schematic view showing a contracted sectional structure of an extendable comfortable office sofa according to an embodiment of the present application.

Description of reference numerals: 1. a main base body; 11. a backrest seat; 111. cutting the rod; 12. a handrail seat; 13. a main cushion; 2. an auxiliary seat body; 21. an auxiliary support; 211. an upper frame; 2111. clamping the wheel; 212. erecting a beam; 213. a cross bar; 2131. a slide rail; 2132. a limiting rod; 22. an auxiliary cushion; 3. a secondary seat body; 31. a secondary support; 311. a roller; 312. a cover plate; 313. a connecting handle; 314. a handle is rotated; 3141. a card slot; 315. a load-bearing handle; 3151. a connecting portion; 3152. an extension portion; 316. a stopper; 317. a diagonal bar; 318. a slider; 32. and (5) a secondary cushion.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses comfortable type office sofa that extends, refer to fig. 1 and 2, sofa is including the main pedestal 1, the assistance pedestal 2 and the inferior pedestal 3 of the concatenation of arranging in proper order straight line when extending, and main pedestal 1 includes back seat 11, two sides respectively install perpendicularly in the handrail seat 12 of back seat 11 both sides and the main cushion 13 of horizontal installation between two handrail seats 12, and main cushion 13 is close to the relative both sides wall on one side of back seat 11 and rotates respectively with two handrail seats 12 and be connected. The back seat 11 wall surface that is located and rotates the hookup location top with main cushion 13 sets up to two handrail seat 12 slopes dorsad, and during accomodating, main cushion 13 can upwards overturn to the tilt state with 11 plane butts of back seat, and inferior pedestal 3 can be accomodate in assisting 2 insides of pedestal, and assist 2 can be accomodate in main pedestal 1 inside and be located main cushion 13 below, realize accomodating of sofa, reduce space area occupied.

The auxiliary seat body 2 and the sub seat body 3 are both provided with rollers 311 capable of sliding on the ground so as to facilitate the storage and extension operations of the auxiliary seat body 2 and the sub seat body 3.

The auxiliary seat body 2 comprises a main seat cushion 13 arranged horizontally, an auxiliary seat cushion 22 flush with the main seat body and an auxiliary support 21 connected with the main seat body 1 in a sliding mode, the auxiliary support 21 comprises an upper frame 211 arranged in a rectangular mode and four vertical beams 212 fixed to the corner positions below the upper frame 211, rollers 311 are installed at the bottom of the vertical beams 212, and the auxiliary seat cushion 22 is fixedly installed at the top of the upper frame 211. Go up frame 211 and equal to the interval between two handrail seats 12 at the length of 11 horizontal extending direction of back seat, go up one side that frame 211 is close to main pedestal body 1 and extend and assist cushion 22, and stretch into the position between two handrail seats 12, one side that back seat 11 was kept away from to main cushion 13 that the level set up can overlap joint in last frame 211 and extend the top of assisting cushion 22, it improves the bearing effect to main cushion 13 to assist pedestal body 2, main cushion 13 links up with assisting cushion 22 and being close to one side mutually to form the sofa bed of concatenation.

The main seat body 1 is fixedly provided with a cut-off rod 111 horizontally arranged below the main seat cushion 13, two ends of the cut-off rod 111 are fixedly connected with two opposite side faces of the armrest seats 12 respectively, the cut-off rod 111 is positioned between two vertical beams 212 close to the main seat body 1 and two vertical beams 212 far away from the main seat body 1, the upper frame 211 is positioned above the cut-off rod 111, the moving distance of the auxiliary support 21 is limited by the cut-off rod 111, and the auxiliary support 21 is prevented from being separated from the main seat body 1. When the two vertical beams 212 close to the main seat body 1 abut against the stop rod 111, the auxiliary seat body 2 moves to the maximum extent back to the main seat body 1, and at the moment, the horizontally arranged main cushion 13 and the auxiliary cushion 22 are spliced with each other to be in a flush state.

Referring to fig. 2 and 3, the sub seat body 3 includes a sub seat cushion 32 and a sub bracket 31 arranged in a rectangular frame structure, the roller 311 is installed at the bottom of the sub bracket 31 far from the side of the auxiliary seat body 2, the sub bracket 31 is installed with a folding mechanism for adjusting the height of the sub seat cushion 32, and when the sub seat cushion 32 descends to the lowest height, the folding mechanism is foldable and foldable between the sub seat cushion 32 and the sub bracket 31 to reduce the occupied space. The folding mechanism comprises two groups of oppositely arranged connecting rod assemblies and two groups of oppositely arranged auxiliary supporting assemblies, and the connecting rod assemblies and the auxiliary supporting assemblies respectively provide supporting effects on two sides of the bottom surface of the secondary cushion 32.

The connecting rod assembly comprises a rotary handle 314, a connecting handle 313 and a bearing handle 315, wherein one end of the rotary handle 314 is rotatably connected with one side wall of the secondary bracket 31. The bearing handle 315 includes a connecting portion 3151 and an extending portion 3152, which are integrally disposed, and the connecting portion 3151 and the extending portion 3152 are disposed at an obtuse angle. One end of the rotating handle 314, which is far away from the secondary bracket 31, is rotatably connected with the connecting portion 3151, one end of the connecting handle 313 is rotatably connected with one side wall of the secondary bracket 31, the other end of the connecting handle 313 is rotatably connected with the position, which is located between the connecting portion 3151 and the extending portion 3152, of the bearing handle 315, and one end of the extending portion 3152, which is far away from the connecting portion 3151, is rotatably connected with the bottom surface of the secondary cushion 32.

The upward side of the rotating handle 314 is provided with a clamping groove 3141, the side wall of the secondary support 31 is fixed with a stop block 316 above the rotating handle 314, when the clamping groove 3141 is clamped with the stop block 316, the connecting rod assembly is in an extending state, and the secondary cushion 32 is flush with the auxiliary cushion 22 at the moment. When the bearing handle 315 is acted by the downward force provided by the secondary cushion 32, the connecting handle 313 and the side edge of the secondary support 31 form an obtuse angle, so that the connecting portion 3151 and the connecting handle 313 can form a stable triangular support structure with the side edge of the secondary support 31 to limit the linear descending of the bearing handle 315 to enable the stopper to be separated from the clamping groove 3141. At this time, the extension 3152 only tends to turn downward around its connection point with the connecting handle 313, and the extension 3152 is limited from turning over by the snap fit of the stopper 316 and the snap groove 3141, so that the connecting rod assembly is stably supported.

The auxiliary supporting assembly is arranged to be an inclined rod 317, the inclined rod 317 corresponds to the connecting rod assembly one to one, one end of the inclined rod 317 is rotatably connected with the side edge, away from the connecting rod assembly, of the secondary support 31, the other end of the inclined rod 317 is rotatably connected with the bottom surface of the secondary cushion 32, the inclined rod 317 is obliquely arranged towards one side of the connecting rod assembly, a space is reserved between the inclined rod 317 and the extension portion 3152, and the angle between the inclined rod 317 and the secondary cushion 32 towards one side of the connecting rod assembly is an obtuse angle.

When the secondary cushion 32 provides a downward acting force to the inclined rod 317, the inclined rod 317 and the secondary cushion 32 generate a trend of changing angles, so that the secondary cushion 32 provides a trend of horizontally moving away from the inclined rod 317 and vertically moving downwards to the extension portion 3152, and the stopper and the clamping groove 3141 limit the extension portion 3152 to perform a turning motion, thereby indirectly limiting the turning trend motion of the inclined rod 317, and enabling the inclined rod 317 to stably support the secondary cushion 32.

When the secondary cushion 32 needs to be folded and lowered, the side of the secondary cushion 32 away from the connection point of the extension portion 3152 is lifted upwards, and the secondary cushion 32 is driven to displace in the direction away from the extension portion 3152, so that the extension portion 3152 can turn around the connection point of the extension portion 3152 and the connecting handle 313, and the stop 316 is separated from the clamping groove 3141. Then, the connecting handle 313 is driven to turn over to form an acute angle with the side edge of the secondary support 31, the bearing handle 315 can move downwards to fold, the inclined rod 317 does not obstruct the folding motion of the connecting assembly, and the secondary cushion 32 can be stored in the secondary support 31.

In other embodiments, the secondary support assembly may be further configured as a cylinder fixed to the secondary support 31, a piston rod of the cylinder abuts against a bottom surface of the secondary cushion 32 to provide a bearing function, and the piston rod does not obstruct the folding movement of the link assembly when being retracted.

Inferior support 31 is kept away from one side fixed mounting who assists support 21 has the apron 312 of vertical setting, and the ladder groove has been seted up to apron 312 top surface, and when inferior cushion 32 with assist cushion 22 at ordinary times mutually, inferior cushion 32 is kept away from one side below and the ladder groove cooperation joint of assisting cushion 22, provides the positioning action to the extension position of inferior cushion 32, can keep away from assisting cushion 22 one side at inferior cushion 32 simultaneously and improve the bearing effect, strengthens sofa's firm. When the secondary cushion 32 descends and is folded on the secondary bracket 31, the cover 312 is located on a side of the secondary cushion 32 opposite to the auxiliary seat body 2, and the cover 312 does not obstruct the folding of the secondary cushion 32.

The secondary support 31 is horizontally connected with the secondary support 21 in a sliding manner through a sliding mechanism, the sliding mechanism includes two sliders 318 and two cross bars 213 respectively located at two sides of the secondary support 21, and two ends of the cross bars 213 are respectively fixedly connected with two vertical beams 212 at the same side of the end of the cut-off bar 111. The opposite two sides of the secondary support 31 are respectively abutted to the cross bars 213 at the two sides to provide a limiting effect, one side of the two cross bars 213 opposite to each other is provided with a slide rail 2131, and the two slide pieces 318 are respectively fixed on the two opposite sides of the secondary support 31 near to one side of the main seat body 1.

The end of the cross bar 213 away from the main seat 1 is fixed with a limiting rod 2132 penetrating the sliding rail 2131, and the limiting rod 2132 can block the bolt to prevent the secondary seat 3 from separating from the auxiliary seat 2. When the limiting rod 2132 abuts against the bolt, the secondary seat body 3 moves back to the auxiliary seat body 2 to the maximum extent, and at the moment, the secondary cushion 32 can rise to the position spliced with the auxiliary cushion 22 through the folding mechanism.

Referring to fig. 4 and 5, when the sofa is contracted, the secondary seat cushion 32 is folded by the folding mechanism to descend, at this time, the secondary seat body 3 can be folded under the auxiliary seat cushion 22 by the sliding mechanism, the main seat cushion 13 is turned to the position of being in plane fit with the backrest seat 11, and then the auxiliary seat body 2 is pushed to move towards the main seat body 1, so that the auxiliary seat body 2 is clamped between the two armrest seats 12 and is located below the main seat cushion 13, at this time, the cut rod 111 is located between the secondary seat cushion 32 and the upper frame 211, and the auxiliary seat body 2 is provided with a locking mechanism which enables the auxiliary seat body 2 to be fixedly stored in the main seat body 1.

The locking mechanism comprises two catch wheels 2111, the two catch wheels 2111 are rotatably mounted on two opposite sides of the bottom surface of the upper frame 211 away from the backrest seat 11, and the bottom height of the catch wheels 2111 is lower than the top height of the intercepting bar 111. When the auxiliary seat body 2 is positioned at one side of the main seat body 1, the blocking wheel 2111 abuts against one side of the intercepting bar 111, which is back to the backrest seat 11; when the auxiliary seat body 2 is moved to the maximum toward the main seat body 1, the catch wheel 2111 is positioned on the side of the intercept lever 111 toward the back seat 11. In the process that the auxiliary seat body 2 moves towards the main seat body 1, the clamping wheel 2111 drives the auxiliary seat body 2 to be lifted upwards when passing through the cut rod 111, and the clamping wheel 2111 moves downwards again after bypassing the cut rod 111, so that the auxiliary seat body 2 is fixedly accommodated in the main seat body 1.

The implementation principle of the embodiment of the application is as follows: when the sofa is extended, the main seat cushion 13 is turned to the horizontal state, the auxiliary seat body 2 slides to one side of the main seat body 1, the auxiliary seat cushion 22 is connected with the main seat cushion 13, and the displacement of the vertical beam 212 is limited by the intercepting rod 111, so that the auxiliary seat body 2 is prevented from being separated from the main seat body 1. The secondary seat body 3 slides in the slide rail 2131 through the slide rail 318 to move to one side of the secondary seat body 2, and the secondary cushion 32 is lifted to the position connected with the secondary cushion 22 by the connecting assembly and the secondary support assembly, so that the length of the sofa is increased, and the sofa is convenient for lying and sleeping.

When the sofa needs to be stored, the connecting rod assembly and the auxiliary support assembly drive the secondary cushion 32 to be folded and stored and descend, and the secondary support 31 drives the secondary cushion 32 to slide below the auxiliary cushion 22, so that the storage is realized. The main cushion 13 is turned to be attached to the backrest seat 11, the auxiliary seat body 2 is pushed to move between the two armrest seats 12, the catch bar 111 is used for blocking the catch wheel 2111, the auxiliary seat body 2 is limited to slide out of the main seat body 1, fixation is achieved, the occupied space of the sofa can be reduced, and the space utilization efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An extendable comfortable office sofa, comprising:

the seat comprises a main seat body (1), wherein the main seat body (1) comprises a backrest seat (11), armrest seats (12) fixedly arranged on two sides of the backrest seat (11) and a main cushion (13) with one side rotatably arranged between the two armrest seats (12);

assist pedestal (2), assist pedestal (2) including being located the assistance support (21) of main pedestal body (1) one side with fixed set up in assisting cushion (22) of assisting support (21) top one side, the level sets up main cushion (13) and assistance support (21) overlap joint mutually, and with assist cushion (22) and link up mutually, it is fixed to accomodate between two handrail seats (12) to assist pedestal (2) accessible locking Assembly.

2. The extendable comfortable office sofa according to claim 1, wherein the auxiliary support (21) comprises an upper frame (211) and a plurality of vertical beams (212) fixedly arranged on the upper frame (211), the main seat body (1) is provided with a cut-off bar (111), and the vertical beams (212) close to the main seat body (1) are positioned on the side of the cut-off bar (111) facing the backrest seat (11).

3. The extendable comfortable office sofa according to claim 2, wherein the locking assembly comprises a catch wheel (2111) rotatably disposed on the upper frame (211), the catch wheel (2111) has a bottom height lower than a top height of the bar (111), and when the auxiliary seat (2) is received between the two armrest seats (12), the catch wheel (2111) abuts against a surface of the bar (111) facing the backrest seat (11).

4. The stretchable comfortable office sofa according to claim 1, wherein the sofa further comprises a secondary seat body (3) located on the side of the secondary seat body (2) facing away from the main seat body (1), the secondary seat body (3) is horizontally and slidably connected with the secondary seat body (2) through a sliding mechanism, the secondary seat body (3) comprises a secondary support (31) and a secondary cushion (32) arranged above the secondary support (31) through a folding mechanism, the folding mechanism is used for adjusting the lifting of the secondary cushion (32), the folding mechanism comprises a connecting rod assembly and a secondary support assembly which respectively provide support for the two sides of the secondary cushion (32) and can be folded, and the secondary cushion (32) is connected with the secondary cushion (22).

5. The extendable comfortable office sofa of claim 4, the connecting rod component comprises a bearing handle (315), a rotating handle (314) and a connecting handle (313) which are both rotationally connected with the secondary bracket (31), the bearing handle (315) comprises a connecting part (3151) and an extending part (3152) which are connected with each other at an obtuse angle, the connecting part (3151) is rotatably connected with one end of the rotating handle (314) far away from the secondary bracket (31), one end of the connecting handle (313) far away from the secondary bracket (31) is rotationally connected with one end of the connecting part (3151) far away from the rotating handle (314), one end of the extension part (3152) far away from the connecting part (3151) is rotationally connected with the bottom of the secondary cushion (32), a stop block (316) is fixedly arranged on the side wall of the secondary bracket (31) and above the rotating handle (314), the rotating handle (314) is provided with a clamping groove (3141) clamped with the stop block (316).

6. The extendable comfort sofa of claim 5, wherein the secondary support assembly is configured as a diagonal bar (317) that is inclined toward the linkage assembly, and wherein the diagonal bar (317) is pivotally connected at each end to the secondary support frame (31) and the secondary seat cushion (32).

7. The extendable comfortable office sofa according to claim 4, wherein the sliding mechanism comprises a slider (318) fixedly arranged on the secondary support (31) and a cross bar (213) fixedly arranged on the vertical beam (212), the cross bar (213) is provided with a sliding rail (2131) slidably connected with the slider (318).

8. The extendable comfortable office sofa according to claim 7, wherein a limiting rod (2132) inserted into the sliding rails (2131) is fixedly arranged at one end of the cross bar (213) close to the secondary seat (3), and the limiting rod (2132) is used for preventing the slider (318) from separating from the sliding rails (2131).

9. The extendable comfortable office sofa according to claim 4, wherein a cover plate (312) is fixedly arranged on the side of the secondary support (31) far away from the auxiliary seat body (2), when the secondary cushion (32) is flush with the auxiliary cushion (22), the cover plate (312) is positioned below the secondary cushion (32), and when the secondary cushion (32) descends to the lowest end, the cover plate (312) is positioned on the side of the secondary cushion (32) facing away from the auxiliary seat body (2).

10. The extendable comfortable office sofa according to claim 4, wherein the auxiliary seat body (2) and the secondary seat body (3) are provided with rollers (311) at the bottom.