CN111772408A

CN111772408A - Folding sofa bed

Info

Publication number: CN111772408A
Application number: CN202010708302.XA
Authority: CN
Inventors: 张崇卫
Original assignee: Jiaxing Jiujiulong Smart Home Technology Co ltd
Current assignee: Jiaxing Jiujiulong Smart Home Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-10-16

Abstract

The invention discloses a folding sofa bed, which comprises a sofa base, a backrest, a cushion, a first mattress, a second mattress, a third mattress and a folding frame, wherein the sofa base is provided with connecting blocks, the folding frame comprises a first mounting frame, a second mounting frame and a third mounting frame, the first hinge assembly, the first hinge strip, the second hinge strip, the first hinge strip and the second hinge strip are respectively provided with the first support assembly and the second support assembly, the first mattress is connected with the first mounting frame, the second mattress is connected with the second mounting frame, the third mattress is connected with the third mounting frame, the second mattress comprises a connecting part, a first folding part and a second folding part, the first hinge strip is provided with a first support plate, the second hinge strip is provided with a second support plate, the first mattress, the second mattress and the connecting part are the same in thickness, the first folding part is the same as the second folding part in thickness, and the first folding part and the second folding part are half of the thickness of the connecting part.

Description

Folding sofa bed

Technical Field

The invention relates to the technical field of furniture, in particular to a folding sofa bed.

Background

The sofa is common furniture, a thicker cushion is arranged on a base of the common sofa, soft filling materials are arranged in the cushion to ensure comfortableness, the function of the bed is added on the basis of the sofa, the sofa can be used as the sofa when being folded and furled at ordinary times like the common sofa, when family members and friends borrow from the sofa, the sofa can be unfolded and changed into the bed due to insufficient rooms, and the sofa can be used for the family members and friends to sleep temporarily.

Common folding sofa generally is equipped with the folding leg, reserve in sofa base and put the object space, the folding leg that folds up just places in sofa base, when needing, take off the cushion of sofa, expand the folding leg, then lay the mattress, just can use as the bed temporarily, such folding sofa need lay the mattress, use up the back, need pack up the mattress again, it is inconvenient, and because the folding leg has occupied sofa base's space, the thickness that leads to the cushion is less, the travelling comfort of sofa itself has been influenced.

Disclosure of Invention

The invention aims to provide a folding sofa bed, which integrates a mattress and a folding frame, does not need to lay and fold the mattress, can support the mattress after being folded, and has the advantages of convenient operation, improvement of the comfort of the folding sofa bed and the like.

The technical purpose of the invention is realized by the following technical scheme:

a folding sofa bed comprises a sofa base, a backrest, a cushion, a first mattress, a second mattress, a third mattress and a folding frame, wherein the sofa base is provided with a connecting block, the folding frame comprises a first mounting frame, a second mounting frame, a third mounting frame, a first hinge assembly for connecting the first mounting frame with the sofa base, a first hinge strip for connecting the first mounting frame with the second mounting frame, a second hinge strip for connecting the second mounting frame with the third mounting frame, a third hinge assembly for connecting the third hinge strip with the fourth hinge assembly, one end of the third hinge strip and one end of the fourth hinge strip are hinged with the sofa base, the other end of the third hinge strip and the other end of the fourth hinge strip are hinged with the first mounting frame, a tension spring is further connected between the third hinge strip and the sofa base, a first support assembly and a second support assembly are respectively arranged on the first hinge strip and the second hinge strip, the third mattress is connected with the third mounting frame, the second mattress comprises a connecting part, a first folding part and a second folding part, the first two hinged strips are provided with first supporting plates for supporting the first folding part, the second two hinged strips are provided with second supporting plates for supporting the second folding part, the first mattress, the second mattress and the connecting part are the same in thickness, the first folding part and the second folding part are the same in thickness, and the first folding part and the second folding part are half of the thickness of the connecting part.

Adopt above-mentioned technical scheme, when making the sofa use, the folding leg draws in the sofa base, two pillows are in between two folding parts, mattress one, mattress two and mattress three-phase superpose each other, and with the connecting block contact, the connecting block contacts with ground, the cushion is placed on the mattress, the back is placed on the cushion, and the back leans on the left side board, the cushion receives good support like this, guarantee the travelling comfort of sofa, when needing to use as the bed, with the folding leg expand the back completely, take off two pillows on the mattress two, and turn over two folding parts on the mattress two and turn over 180 degrees, with backup pad one, two folding parts are supported to backup pad two, folding sofa bed accomplishes and expands, can use as the bed temporarily, need not additionally lay the mattress.

As preferred, mattress one, mattress two are the same with the structure of coupling part, including last pad, lower bolster, all be equipped with the limiting plate on mounting bracket one, mounting bracket two, the mounting bracket three, go up to fill up and be equipped with limiting plate complex recess, both ends are equipped with and lower bolster complex pullover about going up to fill up, the bottom of two pullovers is connected with the elasticity cloth.

Adopt above-mentioned technical scheme, with the recess and the limiting plate cooperation of upper padding, the cooperation of lower padding both ends and pullover is connecting two elasticity cloth, accomplishes the connection of mattress and mounting bracket.

Preferably, the first support component comprises a fifth hinge strip, a sixth hinge strip and a first support rod, the first support rod is hinged to the second mounting frame, two ends of the fifth hinge strip are hinged to the first hinge strip and the first support rod, and two ends of the sixth hinge strip are hinged to the first hinge strip and the first mounting frame.

By adopting the technical scheme, the second mounting rack is unfolded, and the first support rod is used for supporting the second mounting rack.

Preferably, the second support assembly comprises a seventh hinge strip, an eighth hinge strip and a second support rod, the second support rod is hinged to the third mounting frame, two ends of the seventh hinge strip are hinged to the second hinge strip and the second support rod, and two ends of the eighth hinge strip are hinged to the second hinge strip and the second mounting frame.

Adopt above-mentioned technical scheme, open mounting bracket three to with the bracing piece two-purpose in supporting mounting bracket three.

Preferably, the distance between the hinge points at the two ends of the hinge strip is equal to the sum of the thicknesses of the mattress I and the mattress II, and the distance between the hinge points at the two ends of the hinge strip is equal to the thickness of the mattress I.

By adopting the technical scheme, the folding frame is folded in the sofa base, and the first mattress, the second mattress and the third mattress are mutually overlapped.

Preferably, the length of the first folding part is equal to the distance between the hinge points at the two ends of the first hinge strip, and the length of the second folding part is equal to the distance between the hinge points at the two ends of the second hinge strip.

By adopting the technical scheme, the first folding part is just clamped between the two mattresses.

Preferably, a pillow is further arranged between the first folding part and the second folding part.

By adopting the technical scheme, the space is reasonably utilized, and the pillow is matched with the mattress for use.

Preferably, the first folding part and the second folding part are provided with cloth strip handles.

By adopting the technical scheme, the two folding parts are provided with the cloth strip handles, the cloth strip handles are not shown in the figure, and the folding parts are pulled out when the cloth strip handles are conveniently folded.

Drawings

FIG. 1 is a schematic view of an embodiment of a folding stand shown in an unfolded state;

FIG. 2 is a schematic view of the position of three mattresses when the folding leg is collapsed;

fig. 3 is a schematic view showing the connection of three mattresses and folding stands of the embodiment.

Reference numerals: 1. a sofa base; 011. connecting blocks; 012. connecting sheets; 2. a backrest; 3. a cushion; 4. a first mattress; 5. a second mattress; 51. a connecting portion; 52. folding the first part; 53. a second folding part; 54. an upper pad; 541 a groove; 542. sleeving heads; 543. an elastic cloth strip; 55. a lower cushion; 6. a third mattress; 7. a folding frame; 71. a first mounting frame; 72. a second mounting frame; 73. mounting frame III; 731. a limiting plate; 74. a first hinge strip; 75. a second hinge strip; 76. a third hinge strip; 77. a fourth hinge strip; 771. a tension spring; 8. a fifth hinge strip; 9. a hinge strip six; 10. a first supporting rod; 11. a hinge strip seven; 12. a hinge strip eight; 13. a second supporting rod; 14. a pillow; 15. a first support plate; 16. and a second supporting plate.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.

As shown in fig. 1, a folding sofa bed, including sofa base 1, back 2, cushion 3, wherein sofa base 1 includes four curb plates all around, the side is connected with the connecting block 011 about, four curb plates add the connecting block 011 and form one and put the object space like this, it is equipped with folding leg 7 that has the mattress in the object space to put, the mattress of folding leg 7 bottom is arranged in on the connecting block 011, two blocks of curb plates are the same around, the right side board is lower, the left side board is higher, cushion 3 and back 2 all are equipped with two, cushion 3 arranges the mattress at folding leg 7 top in, back 2 places on cushion 3, and back 2 leans on the left side board.

A folding sofa bed also comprises a first mattress 4, a second mattress 5, a third mattress 6 and a folding frame 7, wherein the folding frame 7 comprises a first mounting frame 71, a second mounting frame 72, a third mounting frame 73 and a first hinge assembly for connecting the first mounting frame 71 with a connecting block 011, the first mounting frame 71, the second mounting frame 72 and the third mounting frame 73 are two edge strips, two dry limiting plates 731 are arranged between the two edge strips, connecting lugs are arranged at one ends of the first mounting frame 71 and the second mounting frame 72 close to each other, two ends of the first hinge strip 74 are provided with jacks for inserting the connecting lugs, through holes are arranged at the two ends of the connecting lug and the first hinge strip 74, the connecting lug and the connecting rod are inserted after the bolt is sleeved into the sleeve with proper length, and then the two hinge strips are screwed by nuts, so that the two ends of the first hinge strip 74 are respectively hinged with the first mounting frame 71 and the second mounting frame 72, and two second hinge strips 75 are arranged between the same second mounting frame 72 and the same third mounting frame 73.

The first mattress 4 is connected with the first mounting frame 71, the second mattress 5 is connected with the second mounting frame 72, the third mattress 6 is connected with the third mounting frame 73, the first mattress 4, the second mattress 5 and the connecting part 51 are identical in structure and size, the first mattress 54 and the lower mattress 55 comprise an upper cushion 54 and a lower cushion 55, the upper cushion 54 and the lower cushion 55 are identical in thickness, the upper cushion 54 is arranged above the folding frame 7 in an unfolded state, the lower cushion 55 is arranged below the folding frame, the first mounting frame 71, the second mounting frame 72 and the third mounting frame 73 comprise two connecting rods and a plurality of limiting plates 731 arranged between the two connecting rods, grooves 541 matched with the limiting plates 731 are arranged on the bottom surface of the upper cushion 54, filling materials in the lower cushion 55 are all formed by bonding a plurality of layers of sponges, so that the upper cushion 54 is bonded with a plurality of long strip-shaped sponges at equal intervals on the sponges on the bottom layer, grooves 541 matched with the limiting, go up pad 54 both ends about be equipped with lower pad 55 complex pullover 542, the bottom of two pullovers 542 is all sewed up and is connected with a plurality of elasticity cloth 543, it is connected with the magic subsides to sew up on the elasticity cloth 543, place upper pad 54 on limiting plate 731, place lower pad 55 in limiting plate 731 below, and fill in pullover 542 with both ends about lower pad 55, then with two pullover 542 on the elasticity cloth 543 that correspond through the magic paste with, accomplish the connection of three mattress and three mounting bracket like this.

The second mattress 5 comprises a connecting part 51, a first folding part 52 and a second folding part 53, a plurality of connecting cloth strips are connected to the left side edge of the top surface of the second mattress 5 in a sewing mode, the other ends of the connecting cloth strips are connected to the right side edge of the top surface of the first folding part 52 in a sewing mode, the left side of the second folding part 53 and the right side of the second mattress 5 are also arranged in the mode, and the length of the second mattress 5 is larger than the sum of the lengths of the two folding parts.

When the folding frame 7 is folded, the two folding parts are folded, the top surfaces of the two folding parts are attached to the top surface of the second mattress 5, and a space is left between the two folding parts, two pillows 14 are provided between the first folded portion 52 and the second folded portion 53, the thickness of the pillows 14 is the same as the first folded portion 52 and the second folded portion 53, after the folding frame 7 is folded, the parts between the second mounting frame 72 and the third mounting frame 73 are the upper cushion 54 of the third mattress 6 and the upper cushion 54 of the second upper cushion 54, the length of the second hinge strip 75 needs to be matched, because the thickness of the upper and lower cushions 55 is the same, the structure and size of the mattresses one 4, two 5 and connecting portions 51 are the same, therefore, the distance between the hinge points at the two ends of the second hinge strip 75 is equal to the thickness of the first sofa cushion, the two support plates 16 for supporting the second folding part 53 are arranged between the two second hinge strips 75, and the length of the second folding part 53 is equal to the distance between the hinge points at the two ends of the second hinge strip 75.

The parts between the second mounting frame 72 and the first mounting frame 71 are the upper cushion 54 of the second mattress 5 and the two folding parts, the whole upper cushion 54 three and the upper cushion 54 of the first mattress 4, the lengths of the first hinge strips 74 need to be matched, because the thicknesses of the upper cushion 55 and the lower cushion 55 are the same, the structures and the sizes of the first mattress 4, the second mattress 5 and the connecting part 51 are the same, the thicknesses of the first folding part 52 and the second folding part 53 are half of the thickness of the connecting part 51, the distance between hinge points at two ends of the first hinge strips 74 is equal to the sum of the thicknesses of the first sand mattress 4 and the second sand mattress 5, the two first support plates 15 for supporting the first folding part 52 are arranged between the two first hinge strips 74, and the length of the first folding part 52 is equal to the distance between hinge points.

Be equipped with hinge assembly one between mounting bracket 71 and the sofa base 1, hinge assembly one includes hinge strip three 76, hinge strip four 77, be equipped with connection piece 012 on the side around sofa base 1, hinge strip three 76, hinge strip four 77's one end and connection piece 012 are articulated, hinge strip three 76, hinge strip four 77's the other end and mounting bracket 71 are articulated, still be connected with extension spring 771 between hinge strip three 76 and the connecting block 011, the corresponding position of hinge strip three 76 and connecting block 011 is equipped with the screw hole, the both ends of extension spring 771 are equipped with the circle, the screw embolias the sleeve after, insert in the circle of extension spring 771, again with screw hole threaded connection.

The first hinge strip 74 and the second hinge strip 75 are respectively provided with a first support component and a second support component, the second support component comprises a seventh hinge strip 11, an eighth hinge strip 12 and a second support rod 13, the bottom of the connecting rod of the third mounting rack 73 is provided with a connecting lug, the second support rod 13 is in an inverted concave shape, the tops of the vertical parts at two sides of the second support rod 13 are provided with sockets for the insertion of the connecting lug, the tops of the connecting lug and the second support rod 13 are provided with through holes, a bolt is sleeved in a sleeve with a proper length and then is inserted into the connecting lug and the connecting rod, and then is screwed down by a nut to realize the hinging of the second support rod 13 and the third mounting rack 73, two ends of the seventh hinge strip 11 are hinged with the second hinge strip 75 and the second support rod 13, two ends of the eighth hinge strip 12 are hinged with the second hinge strip 75 and the second mounting rack 72, two ends of the eighth hinge strip 12 are in, and when the folding frame 7 is folded, the second supporting rod 13 is in a horizontal state in the main viewing direction, the horizontal part of the second supporting rod 13 is just below the upper short edge of the third mounting frame 73, one end of each of two ends of the eight hinged strips 12 is in a horizontal state, and the other end of each of the two hinged strips is in a vertical state.

The first supporting component comprises a fifth hinged strip 8, a sixth hinged strip 9 and a first supporting rod 10, the first supporting rod 10 is hinged to the second mounting frame 72, two ends of the fifth hinged strip 8 are hinged to the first hinged strip 74 and the first supporting rod 10, two ends of the sixth hinged strip 9 are hinged to the first hinged strip 74 and the first mounting frame 71, and the connecting mode and the structural principle of the first supporting component are the same as those of the second supporting component.

Briefly describing the using principle of the invention, when the sofa is used, the folding frame 7 is folded in the sofa base 1, the two pillows 14 are arranged between the two folding parts, the mattress I4, the mattress II 5 and the mattress III 6 are mutually overlapped and are in contact with the connecting blocks 011, the connecting blocks 011 are in contact with the ground, the cushion 3 is placed on the mattress, the backrest 2 is placed on the cushion 3, and the backrest 2 is leaned on the left side plate, so that the cushion 3 is well supported and the comfort of the sofa is ensured, when the sofa is used, the cushion 3 and the backrest 2 are firstly taken down, then the supporting plate I15 is grabbed below, the folding frame 7 is pulled out to the state shown in figure 1, then the supporting rod I10 is grabbed, the mounting frame II 72 is unfolded, the supporting rod I10 is used for supporting the mounting frame II 72, then the supporting rod II 13 is grabbed, the supporting rod III 73 is opened, and the supporting frame II 13 is used for, after the folding frame 7 is completely unfolded, the two pillows 14 on the second mattress 5 are taken down, the two folding parts on the second mattress 5 are turned over for 180 degrees, the first supporting plate 15 and the second supporting plate 16 are used for supporting the two folding parts (the two folding parts are provided with cloth handles, the cloth handles are not shown in the drawing, and the folding parts are pulled out when the folding parts are conveniently folded), the folding sofa bed is unfolded, and the folding sofa bed can be used temporarily as a bed without additionally laying the mattress.

Claims

1. A folding sofa bed comprises a sofa base (1), a backrest (2), a cushion (3) and is characterized by further comprising a first mattress (4), a second mattress (5), a third mattress (6) and a folding frame (7), wherein the sofa base (1) is provided with a connecting block (011), the folding frame (7) comprises a first mounting frame (71), a second mounting frame (72), a third mounting frame (73), a first hinge assembly for connecting the first mounting frame (71) with the sofa base (1), two first hinge strips (74) for connecting the first mounting frame (71) with the second mounting frame (72), two second hinge strips (75) for connecting the second mounting frame (72) with the third mounting frame (73), the first hinge assembly comprises a third hinge strip (76) and a fourth hinge strip (77), one end of the third hinge strip (76) and one end of the fourth hinge strip (77) are hinged with the sofa base (1), the other ends of the third hinge strip (76) and the fourth hinge strip (77) are hinged with the first mounting frame (71), a tension spring (771) is further connected between the third hinge strip (76) and the sofa base (1), the first hinge strip (74) and the second hinge strip (75) are respectively provided with a first supporting component and a second supporting component, the first mattress (4) is connected with the first mounting frame (71), the second mattress (5) is connected with the second mounting frame (72), the third mattress (6) is connected with the third mounting frame (73), the second mattress (5) comprises a connecting part (51), a first folding part (52) and a second folding part (53), the first hinge strips (74) are respectively provided with a first supporting plate (15) for supporting the first folding part (52), the second hinge strips (75) are respectively provided with a second supporting plate (16) for supporting the second folding part (53), the thicknesses of the first mattress (4), the second mattress (5) and the connecting part (51) are the same, the thicknesses of the first folding part (52) and the second folding part (53) are the same, and the thicknesses of the first folding part (52) and the second folding part (53) are half of the thickness of the connecting part (51).

2. A folding sofa bed according to claim 1, characterized in that the mattress i (4), the mattress ii (5) and the connecting part (51) are of the same structure and comprise an upper mattress (54) and a lower mattress (55), the first mounting frame (71), the second mounting frame (72) and the third mounting frame (73) are all provided with a limiting plate (731), the upper mattress (54) is provided with a groove (541) matched with the limiting plate (731), the left and right ends of the upper mattress (54) are provided with sleeve heads (542) matched with the lower mattress (55), and the bottoms of the two sleeve heads (542) are connected with elastic cloth strips (543).

3. A folding sofa bed according to claim 1, wherein the first support member comprises a fifth hinge bar (8), a sixth hinge bar (9) and a first support bar (10), the first support bar (10) is hinged to the second mounting frame (72), the two ends of the fifth hinge bar (8) are hinged to the first hinge bar (74) and the first support bar (10), and the two ends of the sixth hinge bar (9) are hinged to the first hinge bar (74) and the first mounting frame (71).

4. A folding sofa bed according to claim 1, wherein said second support member comprises seven (11) hinged strips, eight (12) hinged strips and two (13) supporting rods, said two (13) supporting rods are hinged with three (73) mounting brackets, said seven (11) hinged strips are hinged with two (75) hinged strips and two (13) supporting rods, and said eight (12) hinged strips are hinged with two (75) hinged strips and two (72) mounting brackets.

5. A folding sofa bed according to claim 1, characterized in that the distance between the hinge points of the two ends of the first hinge strip (74) is equal to the sum of the thickness of the first mattress (4) and the thickness of the second mattress (5), and the distance between the hinge points of the two ends of the first hinge strip (74) is equal to the thickness of the first mattress (4).

6. A folding sofa bed according to claim 5, characterised in that the length of the first folding part (52) is equal to the distance between the hinge points of the two ends of the first hinge strip (74), and the length of the second folding part (53) is equal to the distance between the hinge points of the two ends of the second hinge strip (75).

7. A folding sofa bed according to claim 1, characterised in that a pillow (14) is also placed between the first folding part (52) and the second folding part (53).

8. A folding sofa bed according to claim 1, characterised in that the first folding part (52) and the second folding part (53) are provided with cloth strap handles.