CN112586926B

CN112586926B - Multifunctional folding sofa

Info

Publication number: CN112586926B
Application number: CN202011472994.9A
Authority: CN
Inventors: 李华兴
Original assignee: Guangdong Dieylan Smart Home Technology Co ltd
Current assignee: Guangdong Dieylan Smart Home Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2022-12-13
Anticipated expiration: 2040-12-15
Also published as: CN112586926A

Abstract

The invention relates to a sofa, in particular to a multifunctional folding sofa. It is convenient for people to fold and extend the sofa, and the multifunctional folding sofa has small occupied space and can be adjusted to support on the uneven ground. A multifunctional folding sofa comprises: the device comprises a base, four supporting legs are arranged on one side of the base at intervals; the drawers are symmetrically and slidably arranged on the base; the backrest is arranged on the base; and the flap device is arranged on the base and used for folding and extending. According to the sofa, the turnover plate is pulled to swing rightwards, the turnover plate swings rightwards to drive the movable hinge block to swing rightwards so that the support column is in contact with the ground to play a supporting role, meanwhile, the movable hinge block swings rightwards to drive the first rotating shaft to rotate forwards, the sliding plate moves rightwards due to the fact that the first rotating shaft rotates forwards to play a supporting role for the turnover plate, and therefore people can conveniently fold and stretch the sofa, and the occupied space is small.

Description

Multifunctional folding sofa

Technical Field

The invention relates to a sofa, in particular to a multifunctional folding sofa.

Background

The "sofa" is a foreign word, which is transliterated according to the English word sofa. Is a multi-seat chair with soft cushions. The back-rest chair with spring or thick foamed plastic has armrests on two sides and is one kind of soft furniture. At present, the sofa structure is fixed single, can not fold under the condition that the number is many or the user has a rest with the mode of lying down and extend, leads to in the less indoor place in some spaces, and occupation space is too much, and ground unevenness leads to the sofa to place unstably easily, influences the use.

Therefore, a multifunctional folding sofa which is convenient for people to fold and extend the sofa, occupies a small space and can be adjusted to support on the uneven ground is needed to be designed so as to solve the problems in the prior art.

Disclosure of Invention

In order to overcome the fixed singleness of sofa structure, can not fold and extend, occupation space is too much, and the unevenness in ground leads to the sofa to place unstably easily, influences the shortcoming of use, and the technical problem is: the multifunctional folding sofa is convenient for people to fold and extend the sofa, occupies small space and can be supported on the uneven ground in an adjustable mode.

The technical scheme of the invention is as follows: a multifunctional folding sofa comprises: the device comprises a base, four supporting legs are arranged on one side of the base at intervals; the drawers are symmetrically and slidably arranged on the base; the backrest is arranged on the base; the plate turnover device is arranged on the base and used for folding and stretching; and the supporting device is arranged on the base and is used for supporting the plate turnover device.

Further, the plate turnover device comprises: the fixed hinge blocks are uniformly arranged on the base at intervals; the movable hinging block is hinged on the fixed hinging block; the turnover plate is arranged between the movable hinge blocks. The supporting columns are symmetrically arranged on the turnover plate;

further, the supporting device comprises: the first rotating shafts are symmetrically arranged on the base and are fixedly connected with one movable hinge block respectively; the fixed blocks are symmetrically arranged on the base; the second rotating shaft is rotatably arranged on the fixed block; the number of the gears is four, two of the gears are arranged on the first rotating shaft, the other two gears are arranged on the second rotating shaft, and the two gears are meshed with each other; the sliding plates are symmetrically and slidably arranged on the base; and the rack is arranged on the sliding plate and is meshed with one gear.

Further, still include locking device, locking device includes: the fixing frames are symmetrically arranged on the base; the sliding groove plate is arranged on the fixed frame in a sliding manner; the rotating plate is hinged on the fixed frame; the first sliding rod is arranged on the rotating plate and is positioned in the sliding groove plate to be in sliding fit with the sliding groove plate; the contact rod is arranged on the fixed frame in a sliding manner and is fixedly connected with the sliding groove plate; the first return spring is arranged between the fixed frame and the sliding groove plate; the vertical plate is arranged on the fixing frame; the third rotating shaft is rotatably arranged on the vertical plate; the inclined groove plates are symmetrically arranged on the sliding groove plate; the second sliding rod is slidably arranged between the two inclined groove plates; the rotary hook plate is hinged on the second sliding rod and is rotationally connected with the third rotating shaft; the L-shaped plate is arranged on the drawer.

Further, still including stop device, stop device is including: the sliding limiting plate is arranged on the backrest; the second return spring is arranged between the sliding limiting plate and the backrest; the wedge-shaped hook block is slidably arranged on the backrest and is matched with the sliding limiting plate; the first pressing rod is arranged on the wedge-shaped hook block; the third return spring is arranged between the backrest and the first pressing rod in a winding manner; the wedge block is arranged on the backrest in a sliding manner and is matched with the sliding limiting plate; the second pressing rod is arranged on the wedge-shaped block; and the fourth return spring is installed between the backrest and the second pressing rod in a winding manner.

Further, still including blocking device, blocking device includes: the slide bars are uniformly arranged on the turnover plate at intervals; the sliding baffle is arranged between every two sliding rods in a sliding manner; and the fifth return spring is wound between the sliding baffle and the sliding rod.

Further, still including the leg pad device, the leg pad device is including: the leg cushion screw is rotatably arranged on the support column through threads; the mounting ring frame is mounted on the leg cushion screw; the rotating ring is rotatably arranged on the supporting column; the connecting rods are uniformly installed on the rotating ring at intervals and are fixedly connected with the installation ring frame.

Furthermore, the rotating ring is made of rubber.

Has the advantages that:

1. swing right through the pulling returning face plate, the returning face plate swings right and drives the swing of activity hinge block and swing right and then make support column and ground contact play the supporting role, and simultaneously, the swing of activity hinge block swing right drives first pivot corotation, and first pivot corotation just also makes the sliding plate move right and also plays the supporting role to the returning face plate, so, can make things convenient for people to fold the sofa and extend, occupation space is little.

2. Through stop device's effect, can carry out spacingly to the upset board, so, can avoid bumping the upset board when need not to use this device and make its removal by mistake. 3. Through the effect of leg pad device, adjustable leg pad screw rod removes, so, inevitably the uneven support column in face is difficult to support.

Drawings

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

Fig. 2 is a schematic perspective view of the plate turnover device of the present invention.

Fig. 3 is an enlarged view of part a of the present invention.

Fig. 4 is a schematic perspective view of the supporting device of the present invention.

Fig. 5 is a schematic perspective view of the locking device of the present invention.

Fig. 6 is a partial perspective view of the locking device of the present invention.

Fig. 7 is a schematic perspective view of the limiting device of the present invention.

Fig. 8 is a schematic perspective view of the blocking device of the present invention.

Fig. 9 is a schematic cross-sectional view of the leg-rest device of the present invention.

Number designation in the figure: 1. supporting legs, 2, a base, 3, a drawer, 4, a backrest, 5, a plate turnover device, 51, a plate turnover, 52, a supporting column, 53, a fixed hinged block, 54, a movable hinged block, 6, a supporting device, 61, a first rotating shaft, 62, a fixed block, 63, a second rotating shaft, 64, a gear, 65, a sliding plate, 66, a rack, 7, a locking device, 71, a fixed frame, 72, a sliding groove plate, 73, a rotating plate, 74, a first sliding rod, 75, a contact rod, 76, a first return spring, 77, a vertical plate, 78, a third rotating shaft, 79 and a rotating hook plate, 710, a chute board, 711, a second sliding rod, 712, an L-shaped board, 8, a limiting device, 81, a sliding limiting board, 82, a second return spring, 83, a wedge-shaped hook block, 84, a first pressing rod, 85, a third return spring, 86, a wedge-shaped block, 87, a second pressing rod, 88, a fourth return spring, 9, a blocking device, 91, a sliding rod, 92, a sliding baffle, 93, a fifth return spring, 10, a leg cushion device, 101, a leg cushion screw rod, 102, a mounting ring frame, 103, a connecting rod, 104 and a rotating ring.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.

Example 1

A multifunctional folding sofa is shown in figures 1-4 and comprises supporting legs 1, a base 2, drawers 3, a backrest 4, a plate turnover device 5 and supporting devices 6, wherein the outer bottom of the base 2 is fixedly connected with the four supporting legs 1 at even intervals, the drawers 3 are symmetrically arranged in the base 2 in a sliding mode, the backrest 4 is fixedly connected to the left side of the outer top of the base 2, the plate turnover device 5 is arranged on the base 2, and the supporting devices 6 are further arranged on the base 2.

The plate turnover device 5 comprises a turnover plate 51, support columns 52, fixed hinge blocks 53 and movable hinge blocks 54, the fixed hinge blocks 53 are fixedly connected to the upper portion of the outer right side surface of the base 2 at even intervals, the movable hinge blocks 54 are hinged to the fixed hinge blocks 53, the turnover plate 51 is fixedly connected between the left side surfaces of the movable hinge blocks 54, and the support columns 52 are symmetrically fixedly connected to the front and the back of the left side of the top of the turnover plate 51.

The supporting device 6 comprises a first rotating shaft 61, a fixed block 62, a second rotating shaft 63, a gear 64, a sliding plate 65 and a rack 66, the first rotating shaft 61 is rotatably arranged at the front and back of the upper side of the right part of the base 2, the inner end of the first rotating shaft 61 in the front is fixedly connected with the foremost movable hinge block 54, the inner end of the first rotating shaft 61 in the back is fixedly connected with the rearmost movable hinge block 54, the fixed block 62 is fixedly connected with the upper sides of the right parts of the front and back outside the base 2, the second rotating shaft 63 is rotatably arranged on the fixed block 62, the gear 64 is fixedly connected with the outer circumferential direction of the first rotating shaft 61 and the outer circumferential direction of the second rotating shaft 63, the gears 64 on the upper side and the lower side are meshed, the sliding plate 65 is slidably arranged at the front and back of the right part of the base 2, the rack 66 is fixedly connected to the lower part of the outer side surface of the sliding plate 65, and the rack 66 is meshed with the gear 64 below.

People can sit to the device for rest, the drawer 3 is pulled to move so as to be convenient for people to place articles, the turnover plate 51 can be pulled to swing rightwards, the turnover plate 51 swings rightwards to drive the movable hinge block 54 to swing rightwards, the support column 52 is in contact with the ground to play a supporting role, meanwhile, the movable hinge block 54 swings rightwards to drive the first rotating shaft 61 to rotate rightwards, the first rotating shaft 61 rotates rightwards to drive the upper gear 64 to rotate rightwards, the upper gear 64 rotates rightwards to drive the lower gear 64 to rotate reversely, the lower gear 64 rotates reversely to drive the rack 66 to move rightwards, the rack 66 moves rightwards to drive the sliding plate 65 to move rightwards, the sliding plate 65 also plays a supporting role in supporting the turnover plate 51, when the turnover plate 51 is pulled to swing leftwards to reset, the movable hinge block 54 also swings leftwards to drive the upper gear 64 to rotate backwards through the first rotating shaft 61, and the sliding plate 65 moves leftwards to reset.

Example 2

On the basis of embodiment 1, as shown in fig. 1, fig. 5, fig. 6 and fig. 7, a locking device 7 is further included, the locking device 7 includes a fixing frame 71, a sliding groove plate 72, a rotating plate 73, a first sliding rod 74, a contact rod 75, a first return spring 76, a vertical plate 77, a third rotating shaft 78, a rotating hook plate 79, an inclined groove plate 710, a second sliding rod 711 and an L-shaped plate 712, the fixing frame 71 is symmetrically fixed on the lower portion of the left side surface in the base 2 in a front-back manner, the sliding groove plate 72 is slidably disposed in the fixing frame 71, the rotating plate 73 is hinged in the middle portion of the left side of the top of the fixing frame 71, the first sliding rod 74 is fixedly disposed on the right portion of the rotating plate 73, the first sliding rod 74 is disposed in the sliding groove plate 72 and slidably engaged therewith, the middle of the right part of the fixing frame 71 is provided with a contact rod 75 in a sliding manner, the left end of the contact rod 75 is fixedly connected with the middle of the outer right side face of the sliding groove plate 72, a first reset spring 76 is fixedly connected between the outer left side face of the sliding groove plate 72 and the inner left side face of the fixing frame 71, the right parts of the rear sides of the bottoms of the fixing frame 71 on the front side and the rear side are respectively fixedly connected with a vertical plate 77, the lower part of each vertical plate 77 is rotatably provided with a third rotating shaft 78, the bottoms of the sliding groove plates 72 are symmetrically and fixedly connected with inclined groove plates 710 on the front side and the rear side, a second sliding rod 711 is arranged between the inclined groove plates 710 on the front side and the rear side on the same sliding groove plate 72 in a sliding manner, the middle of the second sliding rod 711 is hinged to be provided with a rotating hook plate 79, the left part of the rotating hook plate 79 is rotatably connected with the third rotating shaft 78, and the middle of the left part of the outer bottom of the drawer 3 is fixedly connected with an L-shaped plate 712.

The novel backrest comprises a backrest 4, and is characterized by further comprising a limiting device 8, the limiting device 8 comprises a sliding limiting plate 81, a second reset spring 82, a wedge-shaped hook block 83, a first pressing rod 84, a third reset spring 85, a wedge-shaped block 86, a second pressing rod 87 and a fourth reset spring 88, the sliding limiting plate 81 is arranged on the lower side of the front portion of the backrest 4 in a sliding mode, the second reset spring 82 is symmetrically fixedly connected to the left side of the sliding limiting plate 81 and the front portion of the backrest 4 in a front-back symmetrical mode, the wedge-shaped hook block 83 is arranged on the lower side of the front portion of the backrest 4 in a sliding mode, the wedge-shaped hook block 83 is matched with the sliding limiting plate 81, the first pressing rod 84 is fixedly connected to the front side of the wedge-shaped hook block 83, a third reset spring 85 is wound between the inner portion of the backrest 4 and the front portion of the first pressing rod 84, the wedge-shaped block 86 is arranged on the lower side of the front portion of the backrest 4 in a sliding mode, the wedge-shaped block 86 is located on the left of the wedge-shaped hook block 83, the wedge-shaped block 86 is matched with the sliding limiting plate 81, the front side of the wedge-shaped block 86, and the fourth reset spring 88 is connected to the front portion of the wedge-shaped reset spring 88.

Initially, the first return spring 76 is in a compressed state, when people need to pull out the drawer 3, firstly, the drawer 3 is pushed to move a certain distance to the left, the drawer 3 moves to the left to drive the contact rod 75 to move to the left, the contact rod 75 moves to the left to drive the sliding groove plate 72 to move to the left, the sliding groove plate 72 moves to the left to enable the first sliding rod 74 to slide a certain distance forwards, under the action of the first return spring 76, the sliding groove plate 72 moves to the right to reset, the first sliding rod 74 moves to the left to drive the bending part of the left groove of the sliding groove plate 72, the sliding groove plate 72 moves to the right to also drive the inclined groove plate 710 to move to the right, the inclined groove plate 710 moves to the right to drive the upper part of the rotating hook plate 79 to swing to the right through the second sliding rod 711, the upper part of the rotating hook plate 79 swings to the right to enable the lower part to swing to the left to stop limiting the L-shaped plate 712, and when people pull the drawer 3 to move to the left to reset, the drawer 3 again to contact the contact with the contact rod 75, and the first sliding rod 74 slides to the right to the bending part of the sliding groove plate 72 to limit the bending part to facilitate the limiting plate 712 to swing to limit the L-shaped plate 712 to reset.

Initially, the sliding limiting plate 81 limits the turnover plate 51, when the turnover plate 51 needs to be pulled to swing rightward, the first pressing rod 84 is firstly pressed to move backward, the third return spring 85 is compressed, the first pressing rod 84 moves backward to drive the wedge-shaped hook block 83 to move backward, the wedge-shaped hook block 83 moves backward to drive the sliding limiting plate 81 to move leftward, the second return spring 82 is compressed, the sliding limiting plate 81 limits the wedge-shaped hook block 83, meanwhile, the wedge-shaped hook block 83 blocks the sliding limiting plate 81, when the turnover plate 51 swings leftward and resets, the second pressing rod 87 is pressed to move backward, the fourth return spring 88 is compressed, the second pressing rod 87 moves backward to drive the wedge-shaped block 86 to move backward, the wedge-shaped block 86 moves backward to drive the sliding limiting plate 81 to move leftward, the sliding limiting plate 81 moves leftward to stop limiting the wedge-shaped block 83, due to the third return spring 85, the first pressing rod 84 drives the wedge-shaped hook block 83 to move forward and reset, due to the effect of the second return spring 82, the sliding limiting plate 81 also moves rightward to reset, the turnover plate 51, the second pressing rod 51 looses the pressing rod 87, and the pressing rod 88 moves forward and the second return the wedge-pressing block 86 due to reset effect of the second return spring 82. Thus, the erroneous collision of the turnover plate 51 to move the turnover plate can be avoided when the device is not used.

Example 3

On the basis of the embodiment 1 and the embodiment 2, as shown in fig. 1, fig. 8 and fig. 9, the turnover device further includes a blocking device 9, the blocking device 9 includes slide bars 91, a slide baffle 92 and a fifth return spring 93, the slide bars 91 are fixedly connected to the right portion of the turnover plate 51 at regular intervals, the slide baffle 92 is slidably arranged between every two slide bars 91, and the fifth return spring 93 is wound between the left side surface of the slide baffle 92 and the left portion of the slide bars 91.

Still including leg pad device 10, leg pad device 10 is including leg pad screw rod 101, mount ring frame 102, connecting rod 103 and swivel becket 104, and support column 52 upper portion is equipped with leg pad screw rod 101 through the screw thread rotary type, and leg pad screw rod 101 upper portion circumference rigid coupling has mount ring frame 102, and support column 52 lower part circumference rotary type is equipped with swivel becket 104, and even interval rigid coupling has connecting rod 103 on swivel becket 104, connecting rod 103 top and mount ring frame 102 bottom fixed connection.

When the turnover plate 51 is pulled to swing rightwards, the sliding baffle 92 also swings rightwards to be in contact with the base 2, and the fifth return spring 93 plays a role in buffering, so that the turnover plate 51 can be prevented from being damaged due to excessive swing.

When the support column 52 is not in contact with the ground, the rotating ring 104 can be twisted to rotate, the rotating ring 104 rotates to drive the connecting rod 103 to rotate, the connecting rod 103 rotates to drive the mounting ring frame 102 to rotate, the mounting ring frame 102 rotates to drive the leg pad screw 101 to move for adjustment, and therefore the support column 52 with the uneven surface is difficult to support.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A multifunctional folding sofa is characterized by comprising:

the device comprises a base (2), wherein four supporting legs (1) are arranged on one side of the base (2) at intervals;

the drawer (3), the drawer (3) is symmetrically and slidably arranged on the base (2);

the backrest (4) is arranged on the base (2);

the plate turnover device (5) is arranged on the base (2) and used for folding and stretching;

the supporting device (6) is arranged on the base (2) and is used for supporting the plate turnover device (5);

still include locking device (7), locking device (7) including:

the fixing frames (71), the fixing frames (71) are symmetrically arranged on the base (2);

the sliding groove plate (72) is arranged on the fixed frame (71) in a sliding way;

the rotating plate (73), the rotating plate (73) is mounted on the fixed mount (71) in a hinged manner;

the first sliding rod (74), the first sliding rod (74) is installed on the rotating plate (73), and the first sliding rod (74) is positioned in the sliding groove plate (72) and is in sliding fit with the sliding groove plate;

the contact rod (75), the contact rod (75) is installed on the fixed mount (71) in a sliding way, and the contact rod is fixedly connected with the sliding groove plate (72);

the first return spring (76), the first return spring (76) is installed between fixed mount (71) and sliding frid (72);

the vertical plate (77), the vertical plate (77) is installed on the fixed mount (71);

the third rotating shaft (78), the third rotating shaft (78) is rotatably installed on the vertical plate (77);

the chute plates (710), the chute plates (710) are symmetrically arranged on the sliding chute plate (72);

the second sliding rod (711), the second sliding rod (711) is installed between two chute plates (710) slidably;

the rotary hook plate (79), the rotary hook plate (79) is hinged on the second sliding rod (711), and the rotary hook plate is rotationally connected with the third rotating shaft (78);

the L-shaped plate (712), the L-shaped plate (712) is installed on the drawer (3).

2. The multifunctional folding sofa of claim 1, wherein the flap means (5) comprises:

the fixed hinge blocks (53), the fixed hinge blocks (53) are uniformly installed on the base (2) at intervals;

the movable hinging block (54), the movable hinging block (54) is hinged on the fixed hinging block (53);

the turnover plate (51), the turnover plate (51) is installed between the movable hinge blocks (54);

the supporting columns (52), the supporting columns (52) are symmetrically arranged on the turnover plate (51).

3. The multifunctional folding sofa of claim 2, characterized in that the supporting means (6) comprises:

a first rotating shaft (61), the first rotating shaft (61) is symmetrically arranged on the base (2), and

the first rotating shaft (61) is fixedly connected with one of the movable hinging blocks (54) respectively;

the fixing blocks (62), the fixing blocks (62) are symmetrically installed on the base (2);

the second rotating shaft (63), the second rotating shaft (63) is rotatably mounted on the fixed block (62);

the number of the gears (64) is four, two of the gears (64) are arranged on the first rotating shaft (61), the other two gears are arranged on the second rotating shaft (63), and the two gears (64) are meshed;

the sliding plate (65), the sliding plate (65) is symmetrically and slidably installed on the base (2); a rack (66), the rack (66) being mounted on the slide plate (65) which meshes with one of the gears (64).

4. The multifunctional folding sofa of claim 3, further comprising a position-limiting device (8), wherein the position-limiting device (8) comprises:

the sliding limiting plate (81), the sliding limiting plate (81) is arranged on the backrest (4);

the second return spring (82), the second return spring (82) is installed between the sliding limiting plate (81) and the backrest (4);

the wedge-shaped hook block (83), the wedge-shaped hook block (83) is slidably mounted on the backrest (4), and the wedge-shaped hook block is matched with the sliding limiting plate (81);

the first pressing rod (84), the first pressing rod (84) is installed on the wedge-shaped hook block (83);

the third return spring (85), the third return spring (85) is installed between the backrest (4) and the first pressing rod (84) in a winding way;

the wedge block (86), the wedge block (86) is installed on the backrest (4) in a sliding way, and the wedge block is matched with the sliding limiting plate (81);

the second pressing rod (87), the second pressing rod (87) is installed on the wedge-shaped block (86);

and the fourth return spring (88), the fourth return spring (88) is installed between the backrest (4) and the second pressing rod (87).

5. The multifunctional folding sofa of claim 4, further comprising a blocking device (9), wherein the blocking device (9) comprises:

the sliding rods (91), the sliding rods (91) are uniformly arranged on the turnover plate (51) at intervals;

the sliding baffle (92), the sliding baffle (92) is arranged between every two sliding rods (91) in a sliding manner;

and the fifth return spring (93), wherein the fifth return spring (93) is wound between the sliding baffle (92) and the sliding rod (91).

6. The multifunctional folding sofa of claim 5, further comprising a leg-pad device (10), wherein the leg-pad device (10) comprises:

the leg cushion screw rod (101), the leg cushion screw rod (101) is rotatably installed on the supporting column (52) through threads;

the mounting ring frame (102), the mounting ring frame (102) is mounted on the leg cushion screw (101);

the rotating ring (104), the rotating ring (104) is installed on the support column (52) in a rotating mode;

the connecting rods (103), the connecting rods (103) are installed on the rotating ring (104) at uniform intervals, and the connecting rods are fixedly connected with the installation ring frame (102).

7. The sofa according to claim 6, wherein the rotating ring (104) is made of rubber.