All-wood folding sofa with inner frame

Abstract

The utility model discloses an all-wood inner frame folding sofa which comprises a main body frame and a backup plate, an adjusting mechanism is arranged on the main body frame, and a supporting mechanism is arranged on the backup plate; the adjusting mechanism comprises a through hole and clamping grooves, the backup plate is rotationally connected with the main body frame through the through hole, a mounting groove is formed in the inner side of the main body frame, an annular plate is slidably connected to the inner side wall of the mounting groove, a plurality of clamping blocks are annularly and fixedly connected to the annular plate, and a plurality of clamping grooves corresponding to the clamping blocks are formed in the backup plate. And an inner cavity is formed in the main body frame. The angle between the backup plate and the main body frame is changed by pulling the handle, separating the clamping block on the annular plate from the clamping groove in the backup plate and rotating the backup plate, the handle is loosened, the spring rebounds, the movable rod moves in the inner cavity, the annular plate moves to enable the clamping block to be clamped with the clamping groove again, the backup plate is fixed, operation is convenient and fast, and practicability is high. The functions of lying and the like can be realized, and the comfort is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sofa manufacturing, in particular to a fully wooden inner frame folding sofa. Background Technique

[0002] A sofa refers to a backrest chair equipped with cushions such as springs or thick foam plastics: there are single-seat, double-seat or multi-seat ones, which are soft and comfortable to sit on; it is a type of upholstered furniture and a common one among household seats. The angle between the backrest and the seat surface of each sofa is crucial. If the angle is too large or too small, it will cause the abdominal muscles of the user to be strained and fatigue will occur. A reasonable design of the sofa's reclining angle allows the user to adjust the sitting posture of the calves at will, rest more comfortably, and achieve the effect of a curved surface that matches the back of the body.

[0003] Existing sofas on the market can be divided into civilian sofas and functional sofas. The internal mechanism of common civilian sofas is an ordinary wooden frame, and the internal structure of functional sofas is a functional iron frame. Civilian sofas using ordinary wooden frames cannot achieve functions such as lying down, and many civilian sofas cannot achieve the reclining and flattening of the backrest. Most of them are fixed. Therefore, we propose a fully wooden inner frame folding sofa. Summary of the Utility Model

[0004] The purpose of the present invention is to provide a fully wooden inner frame folding sofa to solve the above-mentioned deficiencies in the prior art.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a fully wooden inner frame folding sofa, comprising: a main body frame and a backrest board. An adjusting mechanism is arranged on the main body frame, and a supporting mechanism is arranged on the backrest board; the adjusting mechanism includes a through hole and a clamping groove. The backrest board is rotationally connected to the main body frame through the through hole. An installation groove is opened on the inner side of the main body frame. An annular plate is slidably connected to the inner side wall of the installation groove. A plurality of clamping blocks are annularly and fixedly connected to the annular plate. A plurality of clamping grooves corresponding to the clamping blocks are opened on the backrest board. An inner cavity is opened inside the main body frame. Two fixing rods are fixedly connected to the side of the annular plate away from the clamping blocks. One end of each of the two fixing rods penetrates into the inner cavity and is fixedly connected to a movable rod.

[0006] As a further description of the above technical solution:

[0007] The supporting mechanism includes a first groove and a second groove. A cross bar is fixedly connected to the inner side wall of the first groove. A rotating plate is rotatably connected to the cross bar.

[0008] As a further description of the above technical solution:

[0009] A jack is opened on the side wall of the rotating plate. Two limiting holes penetrating through to the first groove are opened on the inner side wall of the second groove. A pin is inserted into the limiting hole, and one end of the pin extends into the jack.

[0010] As a further description of the above technical solution:

[0011] A pulling groove is formed in the outer side wall of the main body frame. Two pull rods are fixedly welded to one side of the movable rod. One ends of the two pull rods penetrate into the pulling groove and are rotatably connected to a handle.

[0012] As a further description of the above technical solution:

[0013] Springs are sleeved on the two pull rods, and both ends of the two springs are respectively connected to the side wall of the movable rod and the inner cavity side wall.

[0014] As a further description of the above technical solution:

[0015] Two armrests are symmetrically and fixedly connected to both sides of the main body frame, and four support frames are symmetrically and fixedly connected to the lower surface of the main body frame.

[0016] The present utility model provides a fully wooden inner frame folding sofa. It has the following beneficial effects:

[0017] 1. Pull the handle, the spring is compressed, the movable rod moves, the clamping block on the annular plate is disengaged from the clamping groove on the backrest plate, rotate the backrest plate, so that the angle between the backrest plate and the main body frame is changed, release the handle, the spring rebounds, the movable rod moves inside the inner cavity, the annular plate moves so that the clamping block is engaged with the clamping groove again, and the backrest plate is fixed. The operation is convenient, functions such as lying down can be realized, and the comfort is improved.

[0018] 2. When the sofa needs to be laid flat, pull out the plug pin so that the plug pin is disengaged from the jack, so that the rotating plate can rotate. Rotate the rotating plate to an angle perpendicular to the backrest plate. At this time, through the change of the position of the jack, insert the plug pin into another limiting hole so that the plug pin is engaged with the jack, and the rotating plate is fixed. When the sofa is laid flat, the rotating plate plays a supporting role for the sofa to prevent the sofa from tipping over and improve the stability of the sofa. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of a fully wooden inner frame folding sofa proposed by the present utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the backrest plate proposed by the present utility model;

[0021] Figure 3 It is a cross-sectional view of the connection structure of the adjustment mechanism proposed by the present utility model;

[0022] Figure 4 It is a connection schematic diagram of the annular plate in the present utility model;

[0023] Figure 5This is a cross-sectional view of the connection structure of the rotating plate in the present utility model.

[0024] Legend:

[0025] 1. Main body frame; 2. Backrest; 3. Adjusting mechanism; 31. Through hole; 32. Card slot; 33. Installation groove; 34. Ring plate; 35. Block; 36. Fixed rod; 37. Inner cavity; 38. Movable rod; 39. Pull rod; 310. Spring; 311. Hand-pulling groove; 312. Handle; 4. Support mechanism; 41. First groove; 42. Cross bar; 43. Rotating plate; 44. Insertion hole; 45. Plug; 46. Second groove; 47. Limit hole; 5. Armrest; 6. Support frame. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0027] Refer to Figures 1-5 , a fully wooden inner frame folding sofa, comprising: a main body frame 1 and a backrest 2. An adjusting mechanism 3 is provided on the main body frame 1, and a support mechanism 4 is provided on the backrest 2. The adjusting mechanism 3 includes a through hole 31 and a card slot 32. The backrest 2 is rotatably connected to the main body frame 1 through the through hole 31. An installation groove 33 is opened on the inner side of the main body frame 1. A ring plate 34 is slidably connected to the inner side wall of the installation groove 33. A plurality of blocks 35 are fixedly connected to the ring plate 34 in a ring shape. A plurality of card slots 32 corresponding to the blocks 35 are opened on the backrest 2. An inner cavity 37 is opened inside the main body frame 1. Two fixed rods 36 are fixedly connected to the side of the ring plate 34 away from the block 35. One end of the two fixed rods 36 penetrates into the inner cavity 37 and is fixedly connected to a movable rod 38. A hand-pulling groove 311 is opened on the outer side wall of the main body frame 1. Two pull rods 39 are fixedly welded to one side of the movable rod 38. One end of the two pull rods 39 penetrates into the hand-pulling groove 311 and is rotatably connected to a handle 312. Two springs 310 are sleeved on the two pull rods 39. Both ends of the two springs 310 are respectively connected to the side wall of the movable rod 38 and the side wall of the inner cavity 37. Two armrests 5 are symmetrically and fixedly connected to both sides of the main body frame 1. Four support frames 6 are symmetrically and fixedly connected to the lower surface of the main body frame 1.

[0028] Specifically, when using this all-wood inner frame folding sofa, pull the handle 312. The handle 312 is rotationally connected to two pull rods 39. The handle 312 drives the two pull rods 39 to move. Springs 310 are sleeved on both of the two pull rods 39, and the springs 310 are compressed. The two pull rods 39 are fixedly connected to the movable rod 38. The movable rod 38 moves. The movable rod 38 is fixedly connected to the annular plate 34 through two fixed rods 36, causing the annular plate 34 to move. The latch 35 on the annular plate 34 disengages from the slot 32 on the backrest 2. Rotate the backrest 2 to change the angle between the backrest 2 and the main frame 1. Release the handle 312, and the springs 310 rebound. The movable rod 38 moves inside the inner cavity 37. The movement of the annular plate 34 causes the latch 35 to be engaged with the slot 32 again, and the backrest 2 is fixed. The operation is convenient, and functions such as lying down can be realized, improving the comfort level.

[0029] The support mechanism 4 includes a groove one 41 and a groove two 46. A cross bar 42 is fixedly connected to the inner side wall of the groove one 41. A rotating plate 43 is rotationally connected to the cross bar 42. A jack 44 is provided on the side wall of the rotating plate 43. Two limiting holes 47 penetrating through to the groove one 41 are provided on the inner side wall of the groove two 46. A pin 45 is inserted into the limiting hole 47, and one end of the pin 45 extends into the jack 44.

[0030] Specifically, when the sofa needs to be flattened, pull out the pin 45 to disengage the pin 45 from the jack 44, so that the rotating plate 43 can rotate. Rotate the rotating plate 43 to an angle perpendicular to the backrest 2. At this time, due to the change in the position of the jack 44, insert the pin 45 into another limiting hole 47 so that the pin 45 is engaged with the jack 44, and the rotating plate 43 is fixed. When the sofa is flattened, the rotating plate 43 supports the sofa to prevent the sofa from tipping over and improves the stability of the sofa.

[0031] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0032] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent replacements or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A folding sofa with a full wooden inner frame, characterized in that: include: A main frame (1) and a backing plate (2), wherein the main frame (1) is provided with an adjustment mechanism (3), and the backing plate (2) is provided with a support mechanism (4); The adjustment mechanism (3) comprises a through hole (31) and a card slot (32); the back plate (2) is rotatably connected to the main frame (1) through the through hole (31); a mounting slot (33) is provided on the inner side of the main frame (1); an annular plate (34) is slidably connected to the inner wall of the mounting slot (33); a plurality of card blocks (35) are annularly fixedly connected to the annular plate (34); a plurality of card slots (32) corresponding to the card blocks (35) are provided on the back plate (2); an inner cavity (37) is provided inside the main frame (1); two fixed rods (36) are fixedly connected to the side of the annular plate (34) away from the card blocks (35); one end of the two fixed rods (36) passes through the inner cavity (37) and is fixedly connected to a movable rod (38).

2. The all-wood inner frame folding sofa according to claim 1, characterized in that: The support mechanism (4) comprises a first groove (41) and a second groove (46); the inner side wall of the first groove (41) is fixedly connected to a crossbar (42); and a rotating plate (43) is rotatably connected to the crossbar (42).

3. The all-wood inner frame folding sofa according to claim 2, characterized in that: The side wall of the rotating plate (43) is provided with an insertion hole (44), the inner side wall of the second groove (46) is provided with two limiting holes (47) penetrating to the first groove (41), a plug (45) is inserted into the limiting hole (47), and one end of the plug (45) extends into the insertion hole (44).

4. The all-wood inner frame folding sofa according to claim 1, characterized in that: The outer wall of the main frame (1) is provided with a hand-pull groove (311), and two pull rods (39) are fixedly welded to one side of the movable rod (38). One end of the two pull rods (39) passes through the hand-pull groove (311) and is rotatably connected to a handle (312).

5. The all-wood inner frame folding sofa according to claim 4, characterized in that: The two pull rods (39) are sleeved with springs (310), and the two ends of the two springs (310) are respectively connected to the side wall of the movable rod (38) and the side wall of the inner cavity (37).

6. The all-wood inner frame folding sofa according to claim 1, characterized in that: Two armrests (5) are symmetrically fixedly connected to both sides of the main frame (1), and four support frames (6) are symmetrically fixedly connected to the lower surface of the main frame (1).

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