Outdoor folding chair with adjustable back angle

Abstract

The utility model discloses an outdoor folding chair with an adjustable back angle, and relates to the technical field of folding chairs, in particular to the outdoor folding chair with the adjustable back angle, which comprises a folding chair seat plate and a folding chair backrest, an adjusting frame is arranged behind the folding chair backrest, and a guide rod, a reset spring and a magnetic block are respectively arranged in the adjusting frame. A guide push block is installed at one end of the reset spring, an iron block is installed at the end, away from the reset spring, of the guide push block, a clamping block is installed at the bottom of the guide push block, a semicircular disc is installed on the outer surface of the folding chair seat plate, and round rods are installed on the two side faces of the folding chair backrest. The outdoor folding chair with the adjustable back angle has the effect that the definition of the backrest can be conveniently adjusted, the inclination of the backrest of the folding chair can be rotationally adjusted by taking the round rod as the circle center, the position of the backrest of the folding chair after adjustment can be conveniently limited through the cooperation of the clamping block and the multiple clamping grooves, the stability after adjustment is improved, and the purpose of improving the practicability is achieved.

Description

Technical Field

[0001] This utility model relates to the field of folding chair technology, specifically to an outdoor folding chair with an adjustable backrest angle. Background Technology

[0002] Early outdoor folding chairs (such as ordinary folding stools and beach chairs) had fixed backrest angles (usually vertical or slightly tilted), which could not meet the diverse posture needs of users (such as prolonged sitting for work, reading, lunch breaks, and sightseeing). Fixed angles are difficult to adapt to the ergonomic needs of users of different heights and body types, and prolonged use can easily lead to lower back fatigue, soreness, and even affect spinal health. A single angle cannot cope with complex outdoor scenarios (such as needing an upright posture for work while camping, needing to recline to observe the float while fishing, and needing a vertical sitting posture that matches the table while picnicking).

[0003] Existing adjustable backrest outdoor folding chairs are cumbersome to adjust, affecting usability, and their folding effect is poor. The present invention provides an adjustable backrest outdoor folding chair that solves these problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides an outdoor folding chair with an adjustable backrest angle, which solves the problems mentioned in the background section.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: an outdoor folding chair with an adjustable backrest angle, comprising a folding chair seat and a folding chair backrest. An adjustment frame is installed behind the folding chair backrest. Inside the adjustment frame, a guide rod, a return spring, and a magnetic block are respectively installed. A guide push block is installed at one end of the return spring, and an iron block is installed at the end of the guide push block away from the return spring. A locking block is installed at the bottom of the guide push block. A semi-circular disc is installed on the outer surface of the folding chair seat. Round rods are installed on both sides of the folding chair backrest. A hollow frame is installed at the bottom of the folding chair seat. A support leg is rotatably connected inside the hollow frame via a shaft. A limit spring is installed inside the hollow frame. An adjustment block is installed at one end of the limit spring. A T-shaped slider is installed on the top of the adjustment block. A pull rod is installed at the end of the adjustment block near the limit spring. A limit rod is installed at the bottom of the adjustment block.

[0008] Optionally, the guide push block has a guide hole inside with the left and right direction as the depth direction, and the guide rod passes through the guide hole.

[0009] Optionally, the iron block and the magnetic block are magnetically connected, and the side of the support leg abuts against the inner wall of the cavity frame.

[0010] Optionally, the outer surface of the round rod is rotatably connected to the folding chair seat via a bearing. The semi-circular disk and the round rod are at the same center. A slot with the left and right directions as the depth direction is opened on one side of the semi-circular disk. There are several slots, and the slots are arranged in a circular array with the center of the semi-circular disk as the center. The end of the card block is inserted into the inside of one of the slots.

[0011] Optionally, the cavity frame has a T-shaped groove inside, with the vertical direction as the depth direction and the horizontal direction as the length direction. The end of the T-shaped slider is located inside the T-shaped groove, and the T-shaped slider can slide along the length direction of the T-shaped groove.

[0012] Optionally, a limiting groove with the left-right direction as the depth direction is provided on one side of the support leg, and the end of the limiting rod is inserted into the limiting groove.

[0013] This utility model provides an outdoor folding chair with an adjustable backrest angle, which has the following beneficial effects:

[0014] 1. This outdoor folding chair with adjustable backrest angle features a folding seat, backrest, adjustment frame, guide rod, return spring, magnetic block, guide push block, iron block, locking block, semi-circular disc, and round rod. This design allows for convenient adjustment of the backrest angle. The backrest tilt is adjusted by rotating the round rod around its center. The locking block and multiple slots work together to restrict the backrest's position after adjustment, improving stability and enhancing practicality.

[0015] 2. This adjustable-back-angle outdoor folding chair, through the design of a hollow frame, support legs, limiting springs, adjusting blocks, T-shaped sliders, pull rods, and limiting rods, enables the support legs to be easily folded and retracted. The cooperation between the support legs and the inner wall of the hollow frame facilitates the tilting support of the support legs. The limiting rods help to restrict the position of the support legs, improving the stability of the support, and conversely, facilitate the retraction and folding of the support legs, thus improving practicality. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a side view sectional diagram of the present invention.

[0018] Figure 3 This is a structural schematic diagram of the rear cross-section of this utility model;

[0019] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A;

[0020] Figure 5 This is a structural schematic diagram of the present invention in frontal cross-section;

[0021] Figure 6 This utility model Figure 5 Enlarged structural diagram at point B.

[0022] In the diagram: 1. Folding chair seat; 2. Folding chair backrest; 3. Adjustment frame; 4. Guide rod; 5. Return spring; 6. Magnetic block; 7. Guide push block; 8. Iron block; 9. Locking block; 10. Semicircular disc; 11. Round rod; 12. Hollow frame; 13. Support leg; 14. Limiting spring; 15. Adjustment block; 16. T-shaped slider; 17. Pull rod; 18. Limiting rod. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1

[0025] Please see Figures 1 to 6 This utility model provides a technical solution: an outdoor folding chair with an adjustable backrest angle, including a folding chair seat 1 and a folding chair backrest 2. An adjustment frame 3 is installed at the back of the folding chair backrest 2. A guide rod 4, a return spring 5, and a magnetic block 6 are installed inside the adjustment frame 3. A guide push block 7 is installed at one end of the return spring 5. An iron block 8 is installed at the end of the guide push block 7 away from the return spring 5. A locking block 9 is installed at the bottom of the guide push block 7. A semi-circular disk 10 is installed on the outer surface of the folding chair seat 1. Round rods 11 are installed on both sides of the folding chair backrest 2. A cavity frame 12 is installed at the bottom of the folding chair seat 1. A support leg 13 is rotatably connected inside the cavity frame 12 via a shaft. A limit spring 14 is installed inside the cavity frame 12. An adjustment block 15 is installed at one end of the limit spring 14. A T-shaped slider 16 is installed on the top of the adjustment block 15. A pull rod 17 is installed at the end of the adjustment block 15 near the limit spring 14. A limit rod 18 is installed at the bottom of the adjustment block 15.

[0026] Specifically, the guide push block 7 plays a guiding role in the movement, improving the stability of the movement of the card block 9.

[0027] Please see Figures 3 to 4 The guide push block 7 has a guide hole with the left and right direction as the depth direction, and the guide rod 4 passes through the guide hole.

[0028] Specifically, the iron block 8 and the magnetic block 6 are magnetically connected, which improves the stability of the position limit of the card block 9 and the stability of the folding chair backrest 2 after adjustment. The side of the support leg 13 abuts against the inner wall of the cavity frame 12, which improves the stability of the tilt support of the support leg 13.

[0029] Please see Figures 3 to 6 The iron block 8 and the magnetic block 6 are magnetically connected, and the side of the support leg 13 abuts against the inner wall of the cavity frame 12.

[0030] Specifically, it facilitates the rotation of the folding chair backrest 2 around the center of the round rod 11. After the folding chair backrest 2 rotates, it facilitates the alignment of the locking block 9 with the locking slots at different positions, so that when the folding chair backrest 2 is adjusted to different positions, the locking block 9 can be inserted into the corresponding locking slot.

[0031] Please see Figures 1 to 4 The outer surface of the round rod 11 is rotatably connected to the folding chair seat 1 via a bearing. The semi-circular disk 10 and the round rod 11 are at the same center. A slot with the left and right directions as the depth direction is provided on one side of the semi-circular disk 10. There are several slots, and the slots are arranged in a circular array with the center of the semi-circular disk 10 as the center. The end of the locking block 9 is inserted into the inside of one of the slots.

[0032] Specifically, the T-shaped slider 16 serves as a guide for movement, improving the stability of the movement of the limit rod 18 and facilitating the limit rod 18 to restrict the position of the support leg 13.

[0033] Please see Figures 5 to 6 The cavity frame 12 has a T-shaped groove with the vertical direction as the depth direction and the horizontal direction as the length direction. The end of the T-shaped slider 16 is located inside the T-shaped groove, and the T-shaped slider 16 can slide along the length direction of the T-shaped groove.

[0034] Specifically, the limiting rod 18 serves to limit the support leg 13, thereby improving the stability of the support leg 13 during the limiting process and enhancing the stability of the support leg 13 during support.

[0035] Please refer to Figure 5 to Figure 6 The support leg 13 has a limiting groove on one side with the left and right direction as the depth direction, and the end of the limiting rod 18 is inserted into the limiting groove.

[0036] In use, the user sits comfortably on the seat 1 of the folding chair and leans against the backrest 2. When adjusting the tilt of the backrest 2, the guide push block 7 is pushed, causing it to move along the length of the guide rod 4. This causes the return spring 5 to contract, separating the iron block 8 from the magnetic block 6. The guide push block 7 then moves the locking block 9, disengaging its end from the slot. The backrest 2 is then rotated around the center of the circular rod 11 (which shares the same center with the semi-circular disc 10). The backrest 2 is rotated to a suitable position, aligning the locking block 9 with one of the slots. The guide push block 7 is then released, and the elastic tension of the return spring 5 causes the end of the locking block 9 to insert into the slot, disengaging the magnetic block. The magnetic connection between the 6 and the 9 blocks improves the stability of the folding chair backrest 2 after adjustment. The edge of the support leg 13 abuts against the inner wall of the cavity frame 12, which facilitates the tilting support of the support leg 13. The end of the limiting rod 18 is inserted into the inside of the limiting groove, which facilitates the restriction of the position of the support leg 13 and improves the stability during support. Conversely, when retracting the folding support leg 13, the pull rod 17 is pulled, which causes the adjusting block 15 to drive the T-shaped slider 16 and the limiting rod 18 to move, which causes the limiting spring 14 to be compressed, and the T-shaped slider 16 to slide along the length of the T-shaped groove, so that the end of the limiting rod 18 leaves the limiting groove. Then the support leg 13 is rotated so that the support leg 13 abuts against the bottom of the folding chair seat 1, which facilitates folding and retraction and improves practicality.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An outdoor folding chair with an adjustable backrest angle, comprising a folding seat and a folding backrest, characterized in that: An adjustment frame is installed behind the back of the folding chair. Inside the adjustment frame are a guide rod, a return spring, and a magnetic block. A guide push block is installed at one end of the return spring, and an iron block is installed at the end of the guide push block away from the return spring. A locking block is installed at the bottom of the guide push block. A semi-circular disc is installed on the outer surface of the folding chair seat. Round rods are installed on both sides of the folding chair back. A hollow frame is installed at the bottom of the folding chair seat. A support leg is rotatably connected inside the hollow frame via a shaft. A limit spring is installed inside the hollow frame. An adjustment block is installed at one end of the limit spring. A T-shaped slider is installed on the top of the adjustment block. A pull rod is installed at the end of the adjustment block near the limit spring, and a limit rod is installed at the bottom of the adjustment block.

2. The adjustable backrest angle outdoor folding chair according to claim 1, characterized in that: The guide push block has a guide hole inside with the left and right direction as the depth direction, and the guide rod passes through the guide hole.

3. The adjustable backrest angle outdoor folding chair according to claim 1, characterized in that: The iron block and the magnetic block are magnetically connected, and the side of the supporting leg abuts against the inner wall of the cavity frame.

4. The adjustable backrest angle outdoor folding chair according to claim 1, characterized in that: The outer surface of the round rod is rotatably connected to the folding chair seat through a bearing. The semi-circular disk and the round rod are at the same center. A slot with the left and right directions as the depth direction is opened on one side of the semi-circular disk. There are several slots, and the slots are arranged in a circular array with the center of the semi-circular disk as the center. The end of the card block is inserted into the inside of one of the slots.

5. The adjustable backrest angle outdoor folding chair according to claim 1, characterized in that: The cavity frame has a T-shaped groove inside, with the vertical direction as the depth direction and the horizontal direction as the length direction. The end of the T-shaped slider is located inside the T-shaped groove, and the T-shaped slider can slide along the length direction of the T-shaped groove.

6. The adjustable backrest angle outdoor folding chair according to claim 1, characterized in that: One side of the support leg has a limiting groove with the left and right direction as the depth direction, and the end of the limiting rod is inserted into the limiting groove.

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