Folding deck chair with adjusting and locking structure

Abstract

The utility model discloses a folding deck chair with an adjusting and locking structure, which comprises a chair frame and a chair cover, the chair frame comprises a front foot support frame, a rear foot support frame, a seat tube support frame, a backrest support frame and two armrest supports, the backrest support frame is rotatably connected with the seat tube support frame, one end of each armrest support is provided with the adjusting and locking structure, and the other end of each armrest support is provided with the adjusting and locking structure. One end of the front foot supporting frame is rotationally connected to the adjusting locking structure, one end of the rear foot supporting frame is rotationally connected to the front foot supporting frame, the rear foot supporting frame is rotationally connected with the seat tube supporting frame through a first connecting piece, and a first connecting rod is rotationally connected between the first connecting piece and the front foot supporting frame. A foot rest folding assembly is further arranged between the front foot supporting frame and the seat tube supporting frame, a linkage support is further arranged between the two armrest supports, and the linkage support is located between the first rotating frame and the second rotating frame. According to the utility model, the use angle of the chair can be conveniently adjusted and locked, and the operation convenience and the use stability are improved.

Description

Technical Field

[0001] This utility model relates to the field of home technology, specifically to a folding recliner with an adjustable locking structure. Background Technology

[0002] Folding recliners are a common item in our lives, and they are widely popular due to their ease of folding. Most existing folding recliners consist of four fixed parts: a seat, backrest, footrest, and support legs. The angle of the user's reclining position is adjusted by folding the backrest back and extending / retracting the footrest. However, the connection structure between the footrest and support legs is quite complex, with the backrest and legrest controlled by different mechanisms. When transforming the recliner from a sitting to a reclining position, the backrest and legrest must be adjusted separately. This adjustment is not only laborious and inconvenient, but also difficult to manufacture and install. Furthermore, the legrest remains stationary while the backrest is being adjusted, which can easily lead to an uncoordinated shape of the backrest and legrest when both are adjusted, resulting in discomfort for the user when reclining. Summary of the Invention

[0003] The purpose of this invention is to provide a folding recliner with an adjustable locking structure to solve the problems of existing folding recliners that require separate adjustment of the backrest and footrest angles, which is inconvenient to operate, easily leads to inconsistent overall adjustment, and results in poor comfort.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0005] A folding recliner with an adjustable locking mechanism includes a chair frame with a detachable chair cover. The chair frame includes a front leg support frame, a rear leg support frame, a seat post support frame, a backrest support frame, and two armrest supports. The backrest support frame is rotatably connected to the seat post support frame. One end of each armrest support is equipped with an adjustable locking mechanism, and the other end of each armrest support is rotatably connected to the backrest support frame. One end of the front leg support frame is rotatably connected to the adjustable locking mechanism, and one end of the rear leg support frame is rotatably connected to the front leg support frame near the adjustable locking mechanism. The rear leg support frame is rotatably connected to the seat post support frame via a first connecting member. A first connecting rod is rotatably connected to the front foot support frame. A footrest folding assembly is also provided between the front foot support frame and the seat post support frame. The footrest folding assembly includes a first rotating frame and a second rotating frame. The first rotating frame is rotatably connected to the seat post support frame through a second connecting member. The second rotating frame is synchronously rotatably connected to the front foot support frame through a third connecting member and the first connecting rod. Two second connecting rods are also symmetrically arranged between the seat post support frame and the first rotating frame. A fourth connecting member is also provided between the second connecting rods and the second rotating frame. A linkage bracket is also provided between the two armrest supports, and the linkage bracket is located between the first rotating frame and the second rotating frame.

[0006] Preferably, the aforementioned handrail support includes a handrail base, in which a fixed rod is provided. The adjusting and locking structure includes a fixed seat, a sliding seat, a locking block, and a lever. The sliding seat is fixedly connected to the fixed rod and has a sliding groove. A first locking structure is provided in the sliding groove. The fixed seat has a fixed hole, a first mounting groove, and a second mounting groove. The fixed rod and the sliding seat pass through the fixed hole. The front foot support is rotatably connected to the first mounting groove. One end of the locking block is connected to the fixed seat, and the other end is provided to the lock head. A second locking structure is provided on the lock head. The lower end of the lock head extends to form a connecting piece, which has a connecting hole. One end of the lever has a lever ring, and the other end has a rotating platform. The lever is rotatably connected to the second mounting groove via an eccentric platform on the rotating platform, causing the rotating platform to rotate eccentrically along the connecting hole, driving the lock head to rise and lock the two locking structures. The lock head descends and disengages the two locking structures, allowing the handrail support to reciprocate.

[0007] Preferably, the aforementioned fixing hole is provided with a positioning slot for locking onto the fixing rod, and a sliding platform is formed between the positioning slot and the side wall of the fixing hole. The sliding seat connected to the fixing rod is provided with a sliding track on the corresponding sliding platform. The first locking structure and the second locking structure are a plurality of locking teeth that mesh with each other and lock together. A limiting stop bar that abuts against the lock head is also provided between the second mounting groove and the fixing hole.

[0008] Preferably, the second rotating frame includes a U-shaped section, with each end of the U-shaped section extending to form a rotating rod. A grip plate is fitted onto one of the rotating rods. The second connecting rod includes a first support rod and a second support rod. The fourth connecting member includes two sleeves with the same structure. Each sleeve includes a connecting cylinder and a rotating seat. The connecting cylinder is fitted onto one end of the first support rod or the second support rod. The other end of the first support rod is movably connected to the front foot support frame, and the other end of the second support rod is movably connected to the second rotating frame. The rotating seats of the two sleeves are cross-rotated and connected, and the rotating seats are movably connected to the second rotating frame.

[0009] Preferably, the aforementioned front foot support frame, rear foot support frame, seat post support frame, backrest support frame, first rotating frame, and linkage bracket are all U-shaped brackets. The first connecting member includes a first connecting part and a second connecting part. The rear foot support frame passes through the first connecting part. The first connecting rod and the seat post support frame are synchronously connected to the second connecting part. The second connecting member includes a connecting groove. The linkage bracket is movably inserted into the connecting groove. One end of the seat post support frame is rotatably located in the connecting groove. One end of the first rotating frame is connected to the outside of the connecting groove. The third connecting member includes a sleeve and a perforated connecting seat. The front foot support frame is rotatably connected to the sleeve. One end of the second rotating frame movably passes through the perforated connecting seat. Both ends of the backrest support frame are movably connected to the seat post support frame through U-shaped mounting seats.

[0010] Preferably, the front foot support frame, the rear foot support frame, and the first rotating frame are all fitted with flexible support members.

[0011] Preferably, the aforementioned seat tube support frame is also provided with a reinforcing support rod.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] (1) The folding recliner of this utility model has a simple structure. The support frame at each position and the folding component with the footrest are all movable and rotating, which makes the chair easy to fold and unfold, and improves the flexibility and convenience of using the chair.

[0014] (2) By setting a linkage bracket between the armrest bracket and the footrest folding assembly, the synchronous linkage between the backrest support frame and the footrest folding assembly is realized. There is no need to adjust the backrest and footrest separately. Combined with the adjustment and locking structure, in the unlocked state, the user only needs to press down the backrest support frame to drive the armrest bracket to move. The armrest bracket then drives the footrest folding assembly to rotate together through the linkage bracket. Alternatively, the user can operate the footrest folding assembly to drive the armrest bracket to move, thereby adjusting the angle of the backrest bracket. After the user needs are met, the bracket can be locked. The user can easily adjust between the chair and the recliner, which can meet the user's need to easily switch between sitting and reclining positions, improving the ease of operation, coordination and stability of the usage state. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the adjusting and locking structure connected to the fixed rod in this utility model;

[0017] Figure 3 This is a schematic diagram of the disassembled structure of the adjusting locking structure in this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the end of the front foot support frame in this utility model;

[0019] Figure 5 This is a structural diagram of the present invention in a seated position;

[0020] Figure 6 This is a schematic diagram of the structure of the present invention in its fully opened lying position.

[0021] Figure 7 This is a schematic diagram of the structure of this utility model in its folded state.

[0022] In the diagram: 1-Front foot support frame; 2-Rear foot support frame; 3-Seat post support frame; 4-Backrest support frame; 5-Armrest bracket; 6-First connector; 7-First link; 8-First rotating frame; 9-Second rotating frame; 10-Second connector; 11-Third connector; 12-Second link; 13-Fourth connector; 14-Linkage bracket; 15-Armrest seat; 16-Fixing rod; 17-Fixing seat; 18-Sliding seat; 19-Locking block; 20-Pulling block; 21-Grip plate; 22-Flexible rotating component ; 23-U-shaped mounting base; 24-flexible support component; 25-reinforced support rod; 901-rotating rod; 1701-first mounting groove; 1702-second mounting groove; 1703-positioning slot; 1704-slide table; 1705-limiting stop bar; 1801-first locking structure; 1802-slide track; 1901-lock head; 1902-second locking structure; 1903-connecting piece; 1904-connecting hole; 2001-dial ring; 2002-rotating table; 2003-eccentric table. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figure 1-7As shown, a folding recliner with an adjustable locking structure includes a chair frame with a detachable chair cover. The chair frame includes a front leg support frame 1, a rear leg support frame 2, a seat post support frame 3, a backrest support frame 4, and two armrest supports 5. The backrest support frame 4 is rotatably connected to the seat post support frame 3. One end of the armrest support 5 is provided with an adjustable locking structure, and the other end of the armrest support 5 is rotatably connected to the backrest support frame 4. One end of the front leg support frame 1 is rotatably connected to the adjustable locking structure, and one end of the rear leg support frame 2 is rotatably connected to the front leg support frame 1 near the adjustable locking structure. The rear leg support frame 2 is rotatably connected to the seat post support frame 3 via a first connector 6, and the first connector 6 is connected to the front leg support frame 1. A first connecting rod 7 is rotatably connected between the front foot support frame 1 and the seat post support frame 3. A footrest folding assembly is also provided between the front foot support frame 1 and the seat post support frame 3. The footrest folding assembly includes a first rotating frame 8 and a second rotating frame 9. The first rotating frame 8 is rotatably connected to the seat post support frame 3 through a second connecting piece 10. The second rotating frame 9 is rotatably connected to the front foot support frame 1 through a third connecting piece 11 and the first connecting rod 7. Two second connecting rods 12 are symmetrically arranged between the seat post support frame 3 and the first rotating frame 8. A fourth connecting piece 13 is also provided between the second connecting rod 12 and the second rotating frame 9. A linkage bracket 14 is also provided between the two armrest supports 5. The linkage bracket 14 is located between the first rotating frame 8 and the second rotating frame 9.

[0025] In use, first unlock the adjustment locking structure. The user only needs to press down on the backrest support frame 4 to move the armrest support frame 5 towards the backrest. The movement of the armrest support frame 5 causes the linkage support frame 14 to move upward and rotate, which in turn drives the first rotating frame 8, the second connecting rod 12, and the second rotating frame 9 to rotate. Alternatively, by pressing down on the second rotating frame 9, the second connecting rod 12, the first rotating frame 8, and the linkage support frame 14 can be rotated simultaneously. Then, the linkage support frame 14 drives the armrest support frame 5 to move, thereby adjusting the angle of the backrest support. Once the desired angle is achieved, the backrest support frame can be locked.

[0026] This invention enables synchronous linkage between the backrest support frame 4 and the footrest folding assembly, eliminating the need for separate adjustments to the backrest and footrest. Combined with the adjustment and locking structure for unlocking, moving, and locking, it allows for easy adjustment between the chair and reclining positions, meeting the user's need to easily switch between sitting and reclining postures. This improves operational convenience, coordination, and stability of the usage state.

[0027] Furthermore, the handrail bracket 5 includes a handrail seat 15, within which a fixed rod 16 is provided. The adjusting and locking structure includes a fixed seat 17, a sliding seat 18, a locking block 19, and a lever 20. The sliding seat 18 is fixedly connected to the fixed rod 16 and has a sliding groove. A first locking structure 1801 is provided within the sliding groove. The fixed seat 17 has a fixing hole, a first mounting groove 1701, and a second mounting groove 1702. The fixed rod 16 and the sliding seat 18 pass through the fixing hole. The front foot support 1 is rotatably connected to the first mounting groove 1701. One end of the locking block 19 is connected to the fixed seat 17, and the other end has a lock head. 1901, a second locking structure 1902 is provided on the lock head 1901, and a connecting piece 1903 extends from the lower end of the lock head 1901. A connecting hole 1904 is provided on the connecting piece 1903. A dial ring 2001 is provided at one end of the lever 20, and a rotating platform 2002 is provided at the other end. The lever 20 is rotatably connected to the second mounting groove 1703 through the eccentric platform 2003 on the rotating platform 2002, so that the rotating platform 2002 rotates eccentrically along the connecting hole 1904, causing the lock head 1901 to rise and lock the two locking structures. The lock head 1901 descends and disengages the two locking structures to allow the handrail bracket 5 to reciprocate.

[0028] The above design, through the design of the fixed seat and the sliding seat, realizes the movement and adjustment of the armrest support 5, thereby driving the synchronous rotation between the backrest support frame 4 and the footrest folding assembly, which is convenient to operate and highly flexible in practice; on the other hand, through the matching of the locking block 19 and the lever block 20, simply operating the lever block 20 can make the second locking structure 1902 on the locking block 19 engage and lock or disengage the first locking structure 1801 on the sliding seat 18, which facilitates the flexible movement and fixed use of the armrest support 5, thereby facilitating the adjustment of the recliner's usage state and improving the stability and safety of the usage state.

[0029] Furthermore, a positioning groove 1703 for locking onto the fixing rod 16 is provided on the fixing hole, and a slide 1704 is formed between the positioning groove 1704 and the side wall of the fixing hole 1701. A slide rail 1802 is provided on the side of the sliding seat 18 connected to the fixing rod 16 corresponding to the slide 1705. The first locking structure 1801 and the second locking structure 1902 are several locking teeth that mesh with each other and lock in place. A limiting stop 1705 is also provided between the second mounting groove 1702 and the fixing hole to abut against the lock head 1901. The above design facilitates the stable reciprocating movement of the armrest support 5 and effectively locks the armrest support 5. The design of the limiting stop 1705 can limit the downward movement of the lock head 1901, improve the stability of the locked state, thereby improving the smoothness of the recliner angle adjustment, as well as the stability and safety of the use state.

[0030] Furthermore, the second rotating frame 9 includes a U-shaped section, and the two ends of the U-shaped section extend to form rotating rods 901 respectively. A gripping plate 21 is sleeved on one of the rotating rods 901. The second connecting rod 12 includes a first support rod and a second support rod. The fourth connecting member 13 includes two sleeves with the same structure. The sleeve includes a connecting cylinder and a rotating seat. The connecting cylinder is sleeved on one end of the first support rod or the second support rod. The other end of the first support rod is movably connected to the front foot support frame 1. The other end of the second support rod is movably connected to the second rotating frame 9. The rotating seats of the two sleeves are cross-rotated and connected, and the rotating seats are movably connected to the second rotating frame 9. The above design, specifically the structural design of the second rotating frame 9, enhances its strength and improves the stability of the grip plate 21 and the rotating rod 901. Combined with the structural design of the second connecting rod 12, the grip plate 21 can be used to stably and sequentially drive the second rotating frame 9, the second connecting rod 12, and the first rotating frame 8 to rotate synchronously. This, in turn, drives the linkage bracket 14 to move the armrest bracket 5, thereby achieving synchronous angle adjustment between the backrest support frame 4 and the footrest folding assembly. The design is convenient to operate and offers high flexibility and stability.

[0031] Furthermore, the front foot support frame 1, rear foot support frame 2, seat post support frame 3, backrest support frame 4, first rotating bracket 8, and linkage bracket 14 are all U-shaped brackets. The first connecting member 6 includes a first connecting part and a second connecting part. The rear foot support frame 2 passes through the first connecting part. The first connecting rod 7 and the seat post support frame 3 are synchronously connected to the second connecting part. The second connecting member 10 includes a connecting groove. The linkage bracket 14 is movably inserted into the connecting groove. One end of the seat post support frame 3 is rotatably located in the connecting groove. One end of the first rotating bracket 8 is connected to... The third connector 11, attached to the outside of the connecting groove, includes a sleeve and a perforated connecting seat. The front foot support frame 1 is rotatably connected to the sleeve. One end of the second rotating frame 9 moves through the perforated connecting seat. The two ends of the back support frame 4 are movably connected to the seat tube support frame 3 via U-shaped mounting seats 23. Flexible rotating parts 22 are sleeved on both ends of the rear foot support frame 2, and the flexible rotating parts 22 are provided with grooves that lock the front foot support tube 1 and allow it to rotate. A bent connecting piece is also movably provided between the rear foot support 2 and the front foot support frame 1.

[0032] The above design reduces the number of structural components in the chair frame, while the U-shaped design provides stability, facilitating chair frame assembly, enhancing stability, and simplifying manufacturing. The structural design of each connecting component is simple, easy to process, and has low operating costs. It is also easy to install and connect, and offers high rotational flexibility, thereby improving the recliner's rotational adjustment flexibility, ease of operation, and stability.

[0033] Furthermore, flexible support members 24 are fitted onto the front leg support frame 1, the rear leg support frame 2, and the first rotating frame 8. This design improves the stability of the recliner's support to the ground during use, thereby enhancing the product's stability and lifespan.

[0034] Furthermore, a reinforcing support rod 25 is also provided on the seat post support frame. This design enhances the strength of the seat post support frame 3, thereby improving the stability of the chair during use.

[0035] Working Principle: The folding and unfolding of the chair frame is fairly standard and will not be described in detail here. The main focus is on the operating principle of the footrest folding assembly: When adjusting the chair's position, grasp the lever 2001 and apply upward force. This causes the rotating platform 2001 on the lever 20 to rotate along the connecting hole 1904 (in the locked state, the rotating platform 2001 rests against the upper inner wall of the connecting hole 1904, with a gap between the rotating platform 2001 and the lower inner wall of the connecting hole 1904; the two locking mechanisms are engaged and locked). When rotated to rest against the inner wall below the connecting hole 1904, the rotation of the lever 20 will pull down the lock head 1901, causing the two locking structures to disengage and unlock. Then, the user can directly press down on the backrest support frame 4, or rotate it by holding the grip plate 21, or both actions can be performed simultaneously. Since the linkage bracket 14 is located between the first rotating frame 8 and the second rotating frame 9, the linkage bracket 8, the footrest folding assembly, and the backrest support frame 4 can rotate synchronously. When rotated to the desired position, the lever ring 2001 can be pressed down to complete the locking operation.

[0036] The above are merely preferred embodiments of the present utility model and are not intended to limit the implementation methods and protection scope of the present utility model. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A folding recliner with an adjustable locking structure, comprising a chair frame, a chair cover detachably connected to the chair frame, the chair frame including a front leg support frame, a rear leg support frame, a seat post support frame, a backrest support frame, and two armrest supports, characterized in that: The backrest support frame is rotatably connected to the seat post support frame. One end of the armrest bracket is provided with an adjustment and locking structure, and the other end of the armrest bracket is rotatably connected to the backrest support frame. One end of the front foot support frame is rotatably connected to the adjustment and locking structure, and one end of the rear foot support frame is rotatably connected to the front foot support frame near the adjustment and locking structure. The rear foot support frame is rotatably connected to the seat post support frame via a first connector, and a first connecting rod is rotatably connected between the first connector and the front foot support frame. A footrest folding assembly is also provided between the front foot support frame and the seat post support frame. The footrest folding assembly includes a first rotating frame and a second rotating frame. The first rotating frame is rotatably connected to the seat post support frame via a second connector, and the second rotating frame is synchronously rotatably connected to the front foot support frame via a third connector and the first connecting rod. Two second connecting rods are symmetrically arranged between the seat post support frame and the first rotating frame, and a fourth connector is also provided between the second connecting rod and the second rotating frame. A linkage bracket is also provided between the two armrest brackets, and the linkage bracket is located between the first rotating frame and the second rotating frame.

2. A folding recliner with an adjustable locking structure according to claim 1, characterized in that: The handrail support includes a handrail base with a fixed rod inside. The adjusting and locking structure includes a fixed base, a sliding base, a locking block, and a lever. The sliding base is fixedly connected to the fixed rod and has a sliding groove. A first locking structure is provided in the sliding groove. The fixed base has a fixed hole, a first mounting groove, and a second mounting groove. The fixed rod and the sliding base pass through the fixed hole. The front foot support is rotatably connected to the first mounting groove. One end of the locking block is connected to the fixed base, and the other end is provided to the lock head. A second locking structure is provided on the lock head. The lower end of the lock head extends to form a connecting piece with a connecting hole. One end of the lever has a lever ring, and the other end has a rotating platform. The lever is rotatably connected to the second mounting groove via an eccentric platform on the rotating platform, causing the rotating platform to rotate eccentrically along the connecting hole. This causes the lock head to rise, locking the two locking structures. When the lock head falls, the two locking structures disengage, allowing the handrail support to reciprocate.

3. A folding recliner with an adjustable locking structure according to claim 2, characterized in that: The fixing hole is provided with a positioning slot for locking onto the fixing rod, and a slide is formed between the positioning slot and the side wall of the fixing hole. The sliding seat is connected to the fixing rod and a corresponding slide is provided on the slide. The first locking structure and the second locking structure are a number of locking teeth that mesh with each other and lock together. A limiting stop bar that abuts the lock head is also provided between the second mounting groove and the fixing hole.

4. A folding recliner with an adjustable locking structure according to claim 1, characterized in that: The second rotating frame includes a U-shaped section, with both ends of the U-shaped section extending to form rotating rods. A grip plate is sleeved on one of the rotating rods. The second connecting rod includes a first support rod and a second support rod. The fourth connecting member includes two sleeves with the same structure. Each sleeve includes a connecting cylinder and a rotating seat. The connecting cylinder is sleeved on one end of the first support rod or the second support rod. The other end of the first support rod is movably connected to the front foot support frame, and the other end of the second support rod is movably connected to the second rotating frame. The rotating seats of the two sleeves are cross-rotated and connected, and the rotating seats are movably connected to the second rotating frame.

5. A folding recliner with an adjustable locking structure according to claim 1, characterized in that: The front foot support frame, rear foot support frame, seat post support frame, backrest support frame, first rotating frame, and linkage bracket are all U-shaped brackets. The first connecting member includes a first connecting part and a second connecting part. The rear foot support frame passes through the first connecting part. The first connecting rod and the seat post support frame are synchronously connected to the second connecting part. The second connecting member includes a connecting groove. The linkage bracket is movably inserted into the connecting groove. One end of the seat post support frame is rotatably located in the connecting groove. One end of the first rotating frame is connected to the outside of the connecting groove. The third connecting member includes a sleeve and a perforated connecting seat. The front foot support frame is rotatably connected to the sleeve. One end of the second rotating frame movably passes through the perforated connecting seat. Both ends of the backrest support frame are movably connected to the seat post support frame through U-shaped mounting seats.

6. A folding recliner with an adjustable locking structure according to claim 1, characterized in that: Flexible support components are fitted onto the front foot support frame, the rear foot support frame, and the first rotating frame.

7. A folding recliner with an adjustable locking structure according to claim 1, characterized in that: The seat tube support frame is also equipped with reinforcing support rods.

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