Folding support and folding sofa cushion

Abstract

The utility model relates to the technical field of furniture, and discloses a folding support which comprises a first frame. A second frame; the connecting seat is used for being connected with the seat frame, and the first frame is rotationally connected with the connecting seat; a transmission support is arranged between the first frame and the second frame, a first supporting leg is arranged on the transmission support, a second supporting leg is rotationally arranged at the outer end of the second frame, and a linkage piece is arranged between the transmission support and the second supporting leg; a folding sofa cushion comprises a seat frame and a folding support arranged in the seat frame, and connecting seats are fixedly arranged on the two sides of the seat frame and rotationally connected with the two sides of a first frame; a first cushion body is arranged on the first frame, and a second cushion body is arranged on the second frame. The utility model has the beneficial effects of simple and convenient operation and labor saving.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to a folding bracket and a folding sofa cushion. Background Art

[0002] In the field of sofa technology, in order to further improve and expand the performance of sofas, some sofas can be expanded into sofa beds. Therefore, when designing, the sofa cushion is usually designed to be a folding structure, and the cushion can be folded up to be used as a sofa cushion, and the cushion can be unfolded to be used as a mattress. However, the existing sofa cushions are inconvenient, complicated, and laborious to operate during the unfolding and folding process. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides a folding bracket and a folding sofa cushion which are easy and convenient to operate and save effort.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A folding bracket, which includes a first frame; a second frame, the inner end of the second frame is rotatably connected to the outer end of the first frame; and a connecting seat for connecting to the seat frame, the first frame is rotatably connected to the connecting seat; wherein a transmission bracket is provided between the outer end of the first frame and the inner end of the second frame, the transmission bracket is rotatably connected to the first frame and the second frame, the transmission bracket is provided with a first supporting foot, the outer end of the second frame is rotatably provided with a second supporting foot, and a linkage member is provided between the transmission bracket and the second supporting foot; when the first frame and the second frame are folded, the transmission bracket, the first supporting foot and the second supporting foot are completely stored in the first frame and the second frame; when the first frame and the second frame are unfolded to a horizontal state, the first supporting foot and the second supporting foot are unfolded to a supporting state.

[0006] When this folding bracket is unfolded from a folded state, it is only necessary to rotate the first frame, and the second frame will automatically unfold under the action of the transmission bracket, and the first supporting leg and the second supporting leg will also unfold synchronously; when folded, the first supporting leg and the second supporting leg will be synchronously retracted into the first frame and the second frame, so the overall unfolding and folding are very convenient.

[0007] Preferably, the transmission bracket includes a first transmission arm and a second transmission arm rotatably connected to the first transmission arm, the other end of the first transmission arm is rotatably connected to the first frame, the other end of the second transmission arm is rotatably connected to the second frame, one end of the linkage is rotatably connected to the second transmission arm, and the other end of the linkage is rotatably connected to the second supporting foot.

[0008] Preferably, the rotation point of the first frame and the second frame is set as point A, the rotation point of the first transmission arm and the first frame is set as point B, the rotation point of the first transmission arm and the second transmission arm is set as point C, and the rotation point of the second transmission arm and the second frame is set as point D. ABCD is connected to form a four-bar linkage and satisfies: AB=AD, BC=CD.

[0009] Preferably, the linkage member is configured as a transmission rod, a rotating seat is fixed on the second frame, the second supporting foot is rotatably connected to the rotating seat, the rotating point of the transmission rod and the second transmission arm is set as point E, the rotating point of the transmission rod and the second supporting foot is set as point F, and the rotating point of the second supporting foot and the rotating seat is set as point G, wherein point E is located between C and D, and points F and G are eccentrically set.

[0010] Preferably, the first support foot is fixed on the first transmission arm and forms a preset angle with the first transmission arm; or the first support foot is fixed on the second transmission arm and forms a preset angle with the second transmission arm; when the first frame and the second frame are unfolded to a horizontal state, the first support foot and the second support foot are perpendicular to the horizontal plane. The first support foot forms a preset angle with the first transmission arm or the second transmission arm, and by reasonably designing the angle, it is ensured that when the first frame and the second frame are folded, the first support foot can be fully accommodated in the first frame and the second frame, and when the first frame and the second frame are fully unfolded, the first support foot can be perpendicular to the horizontal plane.

[0011] Preferably, the first frame and the second frame are both configured as rectangular frames, support frames are fixedly provided on both sides of the first frame, the connecting seat is rotatably connected to the support frame, a limiting portion is provided on the support frame, and a limiting seat is fixed on the seat frame; when the first frame and the second frame are rotated to a folded state, the limiting portion acts on the limiting seat to limit the position.

[0012] Preferably, the transmission bracket, the first supporting leg and the second supporting leg are configured into two groups, a first connecting rod is provided between the two groups of first supporting legs, and a second connecting rod is provided between the two groups of second supporting legs. The first connecting rod ensures that the two groups of first supporting legs move synchronously, and the second connecting rod ensures that the two groups of second supporting legs move synchronously.

[0013] A folding sofa cushion comprises a seat frame and a folding bracket arranged in the seat frame. The connecting seat is fixed on both sides of the seat frame and rotatably connected to both sides of a first frame. The first frame is provided with a first cushion body, and the second frame is provided with a second cushion body.

[0014] Preferably, when the first frame and the second frame rotate to a folded state, the first frame is limited by the limit seat, and the first frame and the second frame are parallel to the horizontal plane; when the first frame rotates 180° from the folded state, the second frame is fully unfolded to a horizontal state, and the top surfaces of the first cushion body and the second cushion body are coplanar, the first support foot and the second support foot are perpendicular to the horizontal plane, and the lower ends of the first support foot and the second support foot are coplanar.

[0015] Therefore, the utility model has the beneficial effects of simple and convenient operation and labor saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the folding frame in a folded state.

[0017] Figure 2 for Figure 1 Another perspective of the picture.

[0018] Figure 3 for Figure 1 Side view of.

[0019] Figure 4 It is a schematic diagram of the folding frame in the middle process of unfolding.

[0020] Figure 5 This is a schematic diagram of the folding frame unfolding to a horizontal state.

[0021] Figure 6 for Figure 5 Another perspective of the picture.

[0022] Figure 7 This is a schematic diagram of the left end of the folding sofa in the unfolded state.

[0023] Figure 8 This is a schematic diagram of a folding sofa cushion in a folded state. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial technical effects to be solved by the present invention more clearly understood, the present invention will be further described in detail below in conjunction with the accompanying drawings and multiple exemplary embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the scope of protection of the present invention.

[0025] It should be understood that, in this document, the expressions "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance, nor should they be understood as implicitly indicating the number of technical features indicated. Features defined as "first" or "second" may explicitly or implicitly indicate that at least one of the features is included.

[0026] like Figure 1-Figure 6 A folding bracket is shown, the folding bracket 1 includes a first frame 10; a second frame 20, the inner end of the second frame 20 is rotatably connected to the outer end of the first frame 10; and a connecting seat 11, which is used to connect with the seat frame 2, and the first frame 10 is rotatably connected to the connecting seat 11; wherein a transmission bracket 30 is provided between the outer end of the first frame 10 and the inner end of the second frame 20, the transmission bracket 30 is rotatably connected to the first frame 10 and the second frame 20, a first supporting foot 31 is provided on the transmission bracket 30, a second supporting foot 21 is rotatably provided on the outer end of the second frame 20, and a linkage member 40 is provided between the transmission bracket 30 and the second supporting foot 21; when the first frame 10 and the second frame 20 are folded, the transmission bracket 30, the first supporting foot 31, and the second supporting foot 21 are completely stored in the first frame 10 and the second frame 20; when the first frame 10 and the second frame 20 are unfolded to a horizontal state, the first supporting foot 31 and the second supporting foot 21 are unfolded to a supporting state.

[0027] The transmission bracket 30 includes a first transmission arm 300 and a second transmission arm 301 rotatably connected to the first transmission arm 300, the other end of the first transmission arm 300 is rotatably connected to the first frame 10, the other end of the second transmission arm 301 is rotatably connected to the second frame 20, one end of the linkage 40 is rotatably connected to the second transmission arm 301, and the other end of the linkage 40 is rotatably connected to the second supporting foot 21.

[0028] like Figure 4 As shown, the rotation point of the first frame 10 and the second frame 20 is set to point A, the rotation point of the first transmission arm 300 and the first frame 10 is set to point B, the rotation point of the first transmission arm 300 and the second transmission arm 301 is set to point C, and the rotation point of the second transmission arm 301 and the second frame 20 is set to point D. ABCD is connected to form a four-bar linkage and satisfies: AB=AD, BC=CD.

[0029] The linkage member 40 is configured as a transmission rod, a rotating base 22 is fixedly provided on the second frame 20, the second supporting foot 21 is rotatably connected to the rotating base 22, the rotating point of the transmission rod and the second transmission arm 301 is set as point E, the rotating point of the transmission rod and the second supporting foot 21 is set as point F, and the rotating point of the second supporting foot 21 and the rotating base 22 is set as point G, wherein point E is located between C and D, and points F and G are eccentrically arranged.

[0030] The first support leg 31 is fixed on the first transmission arm 300 and forms a preset angle with the first transmission arm 300; or the first support leg 31 is fixed on the second transmission arm 301 and forms a preset angle with the second transmission arm 301, so that when the first frame 10 and the second frame 20 are unfolded to a horizontal state, the first support leg 31 and the second support leg 21 are both perpendicular to the horizontal plane. In this embodiment, the first support leg 31 is fixed on the second transmission arm 301, and the specific angle between the first support leg 31 and the second transmission arm 301 can be set by those skilled in the art according to the requirements met by the actual size, and the angle satisfies: when the first frame and the second frame are folded, the first support leg can be completely retracted into the first frame and the second frame; when the first frame and the second frame are unfolded to a horizontal state, the first support leg is perpendicular to the horizontal plane.

[0031] The first frame 10 and the second frame 20 are both configured as rectangular frames. Support frames 13 are fixedly provided on both sides of the first frame 10. The connecting seat 11 is rotatably connected to the support frame 13. A limiting portion 130 is provided on the support frame 13. A limiting seat 12 is fixedly provided on the seat frame 2. When the first frame 10 and the second frame 20 are rotated to a folded state, the limiting portion 130 acts on the limiting seat 12 to limit the position.

[0032] In some embodiments, the transmission bracket 30 , the first supporting legs 31 , and the second supporting legs 21 are all configured into two groups, a first connecting rod 32 is provided between the two groups of first supporting legs 31 , and a second connecting rod 23 is provided between the two groups of second supporting legs 21 .

[0033] like Figure 7 and Figure 8 A folding sofa cushion is shown, comprising a seat frame 2, a folding bracket 1 arranged in the seat frame 2, a connecting seat 11 fixedly arranged on both sides of the seat frame 2 and rotatably connected to both sides of a first frame 10; a first cushion body 3 is arranged on the first frame 10, and a second cushion body 4 is arranged on the second frame 20; when the first frame and the second frame are in a folded state, the first cushion body 3 is located at the lower side of the first frame 10, and the second cushion body 4 is located at the upper side of the second frame, and at the same time, the first frame 10 is limited by the limiting seat 12, and the first frame 10 and the second frame 20 are parallel to the horizontal plane;

[0034] When the first frame 10 starts to rotate 180° from the folded state, the second frame 20 is fully unfolded to a horizontal state. At this time, the top surfaces of the first cushion body 3 and the second cushion body 4 are coplanar, the first supporting foot 31 and the second supporting foot 21 are both perpendicular to the horizontal plane, and the lower ends of the first supporting foot 31 and the second supporting foot 21 are coplanar.

[0035] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by up, down, left, right, inner end, outer end, one end, the other end, etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of more clearly describing the technical solution of the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific orientation, and cannot be understood as a limitation of the present invention.

[0036] Although specific embodiments of the present invention are described in detail herein, they are provided for the purpose of explanation only and should not be considered to limit the scope of the present invention. Various substitutions, changes and modifications may be conceived without departing from the spirit and scope of the present invention.

Claims

1. A folding bracket, characterized in that: The folding bracket (1) comprises First frame (10); a second frame (20), the inner end of the second frame (20) being rotatably connected to the outer end of the first frame (10); and A connecting seat (11) used for connecting to the seat frame (2), wherein the first frame (10) is rotatably connected to the connecting seat (11); Wherein, a transmission bracket (30) is provided between the outer end of the first frame (10) and the inner end of the second frame (20); the transmission bracket (30) is rotatably connected to the first frame (10) and the second frame (20); a first supporting foot (31) is provided on the transmission bracket (30); a second supporting foot (21) is rotatably provided on the outer end of the second frame (20); and a linkage member (40) is provided between the transmission bracket (30) and the second supporting foot (21); When the first frame (10) and the second frame (20) are folded, the transmission bracket (30), the first supporting leg (31), and the second supporting leg (21) are completely stored in the first frame (10) and the second frame (20); when the first frame (10) and the second frame (20) are unfolded to a horizontal state, the first supporting leg (31) and the second supporting leg (21) are unfolded to a supporting state.

2. The folding bracket according to claim 1, characterized in that: The transmission bracket (30) comprises a first transmission arm (300), and a second transmission arm (301) rotatably connected to the first transmission arm (300); the other end of the first transmission arm (300) is rotatably connected to the first frame (10); the other end of the second transmission arm (301) is rotatably connected to the second frame (20); one end of the linkage member (40) is rotatably connected to the second transmission arm (301); and the other end of the linkage member (40) is rotatably connected to the second supporting foot (21).

3. The folding bracket according to claim 2, characterized in that: The rotation point of the first frame (10) and the second frame (20) is set as point A, the rotation point of the first transmission arm (300) and the first frame (10) is set as point B, the rotation point of the first transmission arm (300) and the second transmission arm (301) is set as point C, and the rotation point of the second transmission arm (301) and the second frame (20) is set as point D. ABCD is connected to form a four-bar linkage and satisfies: AB=AD, BC=CD.

4. The folding bracket according to claim 3, characterized in that: The linkage member (40) is configured as a transmission rod, a rotating seat (22) is fixedly provided on the second frame (20), the second supporting foot (21) is rotatably connected to the rotating seat (22), the rotating point between the transmission rod and the second transmission arm (301) is set as point E, the rotating point between the transmission rod and the second supporting foot (21) is set as point F, and the rotating point between the second supporting foot (21) and the rotating seat (22) is set as point G, wherein point E is located between C and D, and points F and G are eccentrically arranged.

5. The folding bracket according to claim 2, 3 or 4, characterized in that: The first supporting foot (31) is fixedly mounted on the first transmission arm (300) and forms a preset angle with the first transmission arm (300); or The first supporting foot (31) is fixedly mounted on the second transmission arm (301) and forms a preset angle with the second transmission arm (301); When the first frame (10) and the second frame (20) are unfolded to a horizontal state, the first supporting foot (31) and the second supporting foot (21) are both perpendicular to the horizontal plane.

6. The folding bracket according to claim 1, characterized in that: The first frame (10) and the second frame (20) are both configured as rectangular frames, support frames (13) are fixedly provided on both sides of the first frame (10), the connecting seat (11) is rotatably connected to the support frame (13), a limiting portion (130) is provided on the support frame (13), and a limiting seat (12) is fixedly provided on the seat frame (2); When the first frame (10) and the second frame (20) are rotated to a folded state, the limiting portion (130) acts on the limiting seat (12) to limit the position.

7. The folding bracket according to claim 1, characterized in that: The transmission bracket (30), the first supporting foot (31), and the second supporting foot (21) are all configured into two groups, a first connecting rod (32) is provided between the two groups of first supporting feet (31), and a second connecting rod (23) is provided between the two groups of second supporting feet (21).

8. A folding sofa cushion, characterized in that: It comprises a seat frame (2), and a folding bracket (1) as claimed in any one of claims 1 to 7 arranged in the seat frame (2), wherein the connecting seat (11) is fixedly arranged on both sides of the seat frame (2) and is rotatably connected to both sides of the first frame (10); A first cushion body (3) is provided on the first frame (10), and a second cushion body (4) is provided on the second frame (20).

9. The folding sofa cushion according to claim 8, characterized in that: When the first frame (10) and the second frame (20) are rotated to a folded state, the first frame (10) is limited by the limiting seat (12), and at this time, the first frame (10) and the second frame (20) are both parallel to the horizontal plane; When the first frame (10) starts to rotate 180 degrees from the folded state, the second frame (20) is fully unfolded to a horizontal state, at which time the top surfaces of the first cushion body (3) and the second cushion body (4) are coplanar, the first supporting foot (31) and the second supporting foot (21) are both perpendicular to the horizontal plane, and the lower ends of the first supporting foot (31) and the second supporting foot (21) are coplanar.

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