Leisure chair convenient to fold

Abstract

A leisure chair convenient to fold is used for solving the problems that in the actual use process of some foldable leisure chairs mentioned in the background technology, due to the fact that the thickness of a soft package seat cushion is limited, after a backup plate rotates relative to a seat plate and is folded with the seat plate, the rotation amplitude is limited, and the backup plate cannot be tightly attached to the soft package seat cushion; therefore, the space saving rate after the chair is folded is not high. Comprising a seat plate and chair legs arranged at the bottom of the seat plate, a seat cushion is fixedly arranged above the seat plate, a rotatable backrest capable of vertically sliding is arranged behind the seat plate, a pressing rod is rotatably installed on the lower portion of the backrest, the pressing rod is used for lifting the backrest to the position above the seat cushion, and therefore the backrest is rotated to be tightly attached to the seat cushion; and the chair legs are detachably connected with the seat plate.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to a leisure chair which is easy to fold. Background Art

[0002] Leisure chairs are common and necessary tools in modern life. They are used for people to rest and provide convenience to people's lives. Among them, leisure chairs are the most widely used. However, in reality, the various components of many chairs are all one-piece molded and large parts, and the connections between the various components are non-detachable connections such as welding connections, which take up a lot of space.

[0003] Prior art, such as the utility model patent document with authorization announcement number "CN220423524U" and patent name "A leisure soft-padded chair easy to disassemble and install", discloses a detachable leisure chair, which includes a seat plate, a support assembly and a locking mechanism. A backboard is hingedly installed on the rear outer surface of the seat plate, and four groups of positioning sleeves are fixedly installed on the bottom of the seat plate and arranged in a rectangular shape. A number of chair legs corresponding to the positioning sleeves are arranged directly below the seat plate, and one end of the four groups of chair legs extends into the corresponding positioning sleeves. A soft-padded seat cushion is fixedly installed on the top of the seat plate.

[0004] However, in actual use of the above patent document, due to the thickness limitation of the soft-padded seat cushion, the rotation range of the backrest is limited after it is rotated relative to the seat plate and folded with the seat plate, and it cannot fit tightly with the soft-padded seat cushion. Therefore, the space saving rate of the chair after folding is not high. Utility Model Content

[0005] In view of the deficiencies existing in the prior art, the utility model provides a leisure chair that is easy to fold, which is used to solve the technical problem that some foldable leisure chairs mentioned in the background technology have a limited rotation range after the backrest is rotated relative to the seat plate and folded with the seat plate, due to the thickness limitation of the soft-padded seat cushion, and thus the space saving rate of the chair after folding is not high.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A foldable leisure chair comprises a seat plate and chair legs arranged at the bottom of the seat plate, a seat cushion is fixedly arranged above the seat plate, a vertically slidable and rotatable backrest is arranged at the rear of the seat plate, a pressing rod is rotatably installed at the lower part of the backrest, the pressing rod is used to lift the backrest to above the seat cushion, thereby rotating the backrest so that the backrest and the seat cushion are tightly attached, and the chair legs are detachably connected to the seat plate.

[0008] Working principle:

[0009] When the leisure chair needs to be folded, the pressing rod is pressed downward, and the backrest is lifted above the seat cushion. The backrest is then rotated so that the backrest and the seat cushion fit closely together, and finally the chair legs are removed.

[0010] Beneficial effects:

[0011] In this solution, by providing a pressing rod, the backrest can be lifted above the seat cushion, thereby preventing the backrest from being restricted by the thickness of the seat cushion when rotating and being unable to fit closely with the seat cushion, thereby improving the space saving rate of the chair after folding. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0013] Figure 2 A schematic diagram of the structure of the cutaway of the backrest, mounting plate, bottom plate and transmission shaft;

[0014] Figure 3 It is a schematic diagram of the structure when the four chair legs are stored and the bottom surface of the bottom plate is viewed from above;

[0015] Figure 4 It is a schematic diagram of a cutaway and enlarged structure in which a slider slides inside an auxiliary block;

[0016] Figure 5 This is a schematic diagram of the enlarged structure of the pressing rod.

[0017] In the above drawings: seat plate 1, chair leg 2, seat cushion 3, backrest 4, pressing rod 5, first connecting part 501, first telescopic part 502, second connecting part 503, second telescopic part 504, third connecting part 505, armrest 6, upper armrest 601, lower armrest 602, auxiliary block 7, slide groove 8, slider 9, support rod 10, first rotating shaft 11, pressing block 12, bottom plate 13, mounting plate 14, through groove 15, working block 16, second rotating shaft 17, transmission shaft 18, rotating block 19, first through hole 20, first plug-in groove 21, second through hole 22, through rod 23, hinge 24, fixing block 25, closed side wall 26, bolt 27, first plug-in hole 28, second plug-in hole 29, elastic rope 30, plug-in block 31. DETAILED DESCRIPTION

[0018] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Example:

[0020] like Figure 1As shown, a leisure chair that is easy to fold includes a seat plate 1 and a chair leg 2 arranged at the bottom of the seat plate 1, a seat cushion 3 is fixedly arranged above the seat plate 1, a backrest 4 that can slide vertically and rotate is arranged at the rear of the seat plate 1, a pressing rod 5 is rotatably installed at the lower part of the backrest 4, and the pressing rod 5 is used to lift the backrest 4 to the top of the seat cushion 3, so as to rotate the backrest 4 so that the backrest 4 and the seat cushion 3 are closely attached, and the chair leg 2 is detachably connected to the seat plate 1. In this solution, by setting the pressing rod 5, the backrest 4 can be lifted to the top of the seat cushion 3, thereby preventing the backrest 4 from being restricted by the thickness of the seat cushion 3 when rotating and being unable to fit closely with the seat cushion 3, thereby improving the space saving rate of the chair after folding.

[0021] like Figure 1 , Figure 4 and Figure 5 As shown, an armrest 6 is fixedly arranged on the side wall of the seat plate 1, and the height of the armrest 6 is higher than the seat cushion 3. An auxiliary block 7 is fixedly arranged on the side wall of the armrest 6. A vertical slide groove 8 is opened on the side of the auxiliary block 7 away from the seat plate 1, and a slider 9 is slidably arranged in the slide groove 8. The pressing rod 5 includes six parts, which are a first connecting part 501, a first telescopic part 502 fixedly connected to the first connecting part 501, a second connecting part 503 fixedly connected to the first telescopic part 502, a second telescopic part 504 fixedly connected to the second connecting part 503, a third connecting part 505 fixedly connected to the second telescopic part 504, and a pressing part fixedly connected to the third connecting part 505. The upper part of the slider 9 is rotatably connected to the third connecting part 505, and a mounting shaft is passed through the upper part of the slider 9. The two ends of the mounting shaft are rotatably connected to the armrest 6 and the third connecting part 505, respectively, and the slider 9 is arranged between the armrest 6 and the third connecting part 505.

[0022] The side wall of the seat plate 1 is also fixed with a support rod 10 , and a first rotating shaft 11 is rotatably provided on the top of the support rod 10 . The other end of the first rotating shaft 11 is rotatably connected to the second connecting part 503 , and the pressing part is a pressing block 12 .

[0023] By arranging the armrest 6, the auxiliary block 7, the slider 9, the pressing rod 5, the first connecting part 501, the first telescopic part 502, the second connecting part 503, the second telescopic part 504, the third connecting part 505, the pressing block 12, the support rod 10 and the first rotating shaft 11, when in use, the user presses the pressing block 12 downward to drive the backrest 4 to rise, which is more labor-saving.

[0024] like Figure 1 and Figure 4As shown, the slider 9 is provided with a first plug hole 28 that passes through the slider 9 horizontally, the auxiliary block 7 is provided with second plug holes 29 on both sides, the side wall of the auxiliary block 7 is fixed with an elastic rope 30, and the other end of the elastic rope 30 is fixed with a plug block 31, and the plug block 31 is used to sequentially penetrate into the second plug hole 29, the first plug hole 28 and another second plug hole 29 located on the same side, so as to lock the pressing rod 5. By providing the first plug hole 28, the second plug hole 29, the elastic rope 30 and the plug block 31, when the user presses the block 12 downward, the slider 9 moves vertically downward in the slide groove 8, and then the user sequentially penetrates the plug block 31 into the second plug hole 29, the first plug hole 28 and another second plug hole 29 located on the same side, so as to lock the pressing rod 5, thereby avoiding the situation that the user needs to press the pressing rod 5 while rotating the backrest 4, which is more labor-saving.

[0025] like Figure 1 and Figure 2 As shown, a bottom plate 13 is fixedly arranged at the rear of the seat plate 1, and two mounting plates 14 are fixedly arranged on both sides of the bottom plate 13. A vertical through slot 15 is opened on each of the two mounting plates 14, and a working block 16 is slidably arranged in each of the two through slots 15. Both sides of the backrest 4 are arranged between the two working blocks 16, and a second rotating shaft 17 is rotatably arranged on each of the two working blocks 16, and both of the second rotating shafts 17 pass through the through slots 15 on the mounting plate 14. There are two pressing rods 5, and the first connecting parts 501 of the two pressing rods 5 are fixedly sleeved on the rod sections of the two second rotating shafts 17 arranged on the outside of the mounting plate 14 in a one-to-one correspondence. By setting the bottom plate 13, the mounting plate 14, the working block 16 and the second rotating shaft 17, pressing the pressing block 12 drives the second rotating shaft 17, the working block 16 and the backrest 4 to be lifted at the same time.

[0026] like Figure 1 and Figure 2 As shown, a transmission shaft 18 is fixedly provided at the lower part of the backrest 4, and the transmission shaft 18 is rotatably provided on the two working blocks 16, and one end of the transmission shaft 18 passes through the through slot 15 on the working block 16 and the mounting plate 14 on this side. By providing the transmission shaft 18, the rotation of the backrest 4 is realized.

[0027] like Figure 1 and Figure 2As shown, the end of the transmission shaft 18 passing through the mounting plate 14 is threadedly connected to a rotating block 19, a first penetration hole 20 is opened in the rotating block 19, and the inner wall of the rotating block 19 is also opened with a first plug-in groove 21 distributed in a circumferential direction around the first penetration hole 20, the first plug-in groove 21 is connected with the first penetration hole 20, the end of the transmission shaft 18 passing through the mounting plate 14 is opened with a second penetration hole 22, the second penetration hole 22 is connected with the first plug-in groove 21 and the first penetration hole 20, and also includes a penetration rod 23, the penetration rod 23 includes a penetration portion and a plug-in portion arranged outside the penetration portion, the plug-in portion of the penetration rod 23 corresponds to the first plug-in groove 21, the penetration rod 23 is used to pass through the first penetration hole 20 into one of the first plug-in grooves 21, and then penetrate into the second penetration hole 22, so that the transmission shaft 18 is relatively stationary.

[0028] By providing a rotating block 19, a first penetration hole 20, a first plug-in slot 21, a second penetration hole 22 and a penetration rod 23, the user drives the backrest 4 to rotate by rotating the rotating block 19; when the backrest 4 needs to be locked, the penetration rod 23 is penetrated into one of the first plug-in slots 21 through the first penetration hole 20, and then penetrated into the second penetration hole 22, so that the transmission shaft 18 is relatively stationary.

[0029] like Figure 1 As shown, the armrest 6 is divided into an upper armrest 601 and a lower armrest 602. The pressing rod 5, the auxiliary block 7 and the slider 9 are all arranged on the side wall of the lower armrest 602. A hinge 24 is installed between the upper armrest 601 and the lower armrest 602. By setting the hinge 24, the upper armrest 601 can be rotated and folded, thereby improving the space saving rate of the chair after folding.

[0030] like Figure 1 and Figure 3 As shown, there are four chair legs 2, and the four corners of the bottom of the seat plate 1 are fixed with fixed blocks 25 respectively. The four fixed blocks 25 are all hollow structures with one side open. The open sides of the four fixed blocks 25 are the four sides of the fixed blocks 25 respectively, and the four sides are opened clockwise. The four chair legs 2 are respectively rotatably arranged in the hollow structures of the four fixed blocks 25. The side surfaces of the four fixed blocks 25 opposite to the open sides are closed side walls 26. The four closed side walls 26 are threadedly connected with bolts 27. The bolts 27 pass through the corresponding closed side walls 26 and are threadedly connected to the four chair legs 2 one by one. By providing the fixed blocks 25, the closed side walls 26 and the bolts 27, when the chair legs 2 need to be stored, the four chair legs 2 are respectively rotated clockwise, and then the four bolts 27 pass through the corresponding closed side walls 26 and are threadedly connected to the four chair legs 2 one by one.

[0031] Working principle:

[0032] When the leisure chair needs to be folded, the user presses the pressing block 12 downward, and at this time, under the rotation of the first rotating shaft 11, the first telescopic part 502 and the second telescopic part 504 cooperate to shrink, and the second rotating shaft 17, the working block 16 and the backrest 4 all move vertically upward, and the backrest 4 is lifted above the seat cushion 3;

[0033] At this time, the slider 9 moves vertically downward in the slide groove 8, and then the user inserts the plug block 31 into the second plug hole 29, the first plug hole 28 and another second plug hole 29 on the same side in sequence, and slides the slider 9 on the pressing rod 5, thereby locking the pressing rod 5;

[0034] Then the user pulls out the through rod 23 and rotates the rotating block 19. The rotation of the rotating block 19 drives the transmission shaft 18 to rotate. The rotation of the transmission shaft 18 drives the backrest 4 to rotate and fit tightly with the seat cushion.

[0035] Then the upper armrest 601 is rotated so that the upper armrest 601 is folded and arranged above the backrest 4 .

[0036] Finally, the four chair legs 2 are rotated clockwise respectively, and then four bolts 27 are passed through the corresponding closed side walls 26 and threadedly connected with the four chair legs 2 one by one, and the whole operation is completed.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A foldable leisure chair, comprising a seat plate (1) and chair legs (2) arranged at the bottom of the seat plate (1), characterized in that: A seat cushion (3) is fixedly arranged above the seat plate (1), and a backrest (4) which can slide vertically and rotate is arranged at the rear of the seat plate (1). A pressing rod (5) is rotatably installed at the lower part of the backrest (4), and the pressing rod (5) is used to lift the backrest (4) to the top of the seat cushion (3), thereby rotating the backrest (4) so ​​that the backrest (4) and the seat cushion (3) are in close contact, and the chair legs (2) are detachably connected to the seat plate (1).

2. The foldable leisure chair according to claim 1, characterized in that: The side wall of the seat plate (1) is fixedly provided with an armrest (6), the height of the armrest (6) is higher than the seat cushion (3), the side wall of the armrest (6) is fixedly provided with an auxiliary block (7), the side of the auxiliary block (7) away from the seat plate (1) is provided with a vertical slide groove (8), a sliding block (9) is slidably provided in the slide groove (8), and the pressing rod (5) includes six parts, which are a first connecting part (501), a first telescopic part (502) fixedly connected to the first connecting part (501), a second connecting part (502) fixedly connected to the first telescopic part (502), and a second connecting part (503) fixedly connected to the first telescopic part (503). 03), a second telescopic part (504) fixedly connected to the second connecting part (503), a third connecting part (505) fixedly connected to the second telescopic part (504), and a pressing part fixedly connected to the third connecting part (505), the upper part of the slider (9) is rotatably connected to the third connecting part, the side wall of the seat plate (1) is also fixedly provided with a support rod (10), the top of the support rod (10) is rotatably provided with a first rotating shaft (11), the other end of the first rotating shaft (11) is rotatably connected to the second connecting part (503), and the pressing part is a pressing block (12).

3. The foldable leisure chair according to claim 2, characterized in that: The slider (9) is provided with a first plug-in hole (28) which runs through the slider (9) horizontally, and the auxiliary block (7) is provided with second plug-in holes (29) on both sides. An elastic rope (30) is fixedly provided on the side wall of the auxiliary block (7), and a plug-in block (31) is fixedly provided at the other end of the elastic rope (30). The plug-in block (31) is used to sequentially pass through the second plug-in hole (29), the first plug-in hole (28) and another second plug-in hole (29) located on the same side thereof, so as to lock the pressing rod (5).

4. The foldable leisure chair according to claim 1, characterized in that: A bottom plate (13) is fixedly provided at the rear of the seat plate (1), and two mounting plates (14) are fixedly provided at both sides of the bottom plate (13). A vertical through slot (15) is provided on each of the two mounting plates (14), and a working block (16) is slidably provided in each of the two through slots (15). Both sides of the backrest (4) are provided between the two working blocks (16), and a second rotating shaft (17) is rotatably provided on each of the two working blocks (16), and both of the second rotating shafts (17) pass through the through slots (15) on the mounting plate (14). There are two pressing rods (5), and the first connecting portions (501) of the two pressing rods (5) are fixedly sleeved on the rod sections of the two second rotating shafts (17) provided on the outer sides of the mounting plate (14) in a one-to-one correspondence.

5. The foldable leisure chair according to claim 4, characterized in that: A transmission shaft (18) is fixedly provided on the lower part of the backrest (4), and the transmission shaft (18) is rotatably provided on two working blocks (16), and one end of the transmission shaft (18) passes through the working block (16) and a through slot (15) on the mounting plate (14) on that side.

6. The foldable leisure chair according to claim 5, characterized in that: The end of the transmission shaft (18) passing through the mounting plate (14) is threadedly connected to a rotating block (19), a first through hole (20) is formed in the rotating block (19), and the inner wall of the rotating block (19) is further provided with first plug-in grooves (21) distributed in a circumferential direction around the first through hole (20), the first plug-in grooves (21) are connected to the first through hole (20), and the end of the transmission shaft (18) passing through the mounting plate (14) is provided with a second through hole (22), the second through hole (22) is provided in the rotating block (19), and the first plug-in grooves (21) are connected to the first through hole (20). The setting hole (22) is connected with the first plug-in slot (21) and the first penetration hole (20), and also includes a penetration rod (23). The penetration rod (23) includes a penetration portion and a plug-in portion arranged outside the penetration portion. The plug-in portion of the penetration rod (23) corresponds to the first insertion slot (21). The penetration rod (23) is used to penetrate into one of the first plug-in slots (21) through the first penetration hole (20), and then penetrate into the second penetration hole (22), so that the transmission shaft (18) is relatively stationary.

7. The foldable leisure chair according to claim 2, characterized in that: The armrest (6) is divided into two parts, an upper armrest (601) and a lower armrest (602); the pressing rod (5), the auxiliary block (7) and the sliding block (9) are all arranged on the side wall of the lower armrest (602); and a hinge (24) is installed between the upper armrest (601) and the lower armrest (602).

8. The foldable leisure chair according to claim 1, characterized in that: The chair legs (2) are four in number, and the four corners of the bottom of the seat plate (1) are respectively fixed with fixing blocks (25), and the four fixing blocks (25) are all hollow structures with one side open, and the open sides of the four fixing blocks (25) are respectively four sides of the fixing blocks (25) and the four sides are opened clockwise, and the four chair legs (2) are respectively rotatably arranged in the hollow structures of the four fixing blocks (25), and the side surfaces of the four fixing blocks (25) opposite to the open sides are closed side walls (26), and the four closed side walls (26) are threadedly connected with bolts (27), and the bolts (27) pass through the corresponding closed side walls (26) and are threadedly connected with the four chair legs (2) one by one.

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