Leisure outdoor dual-purpose folding chair capable of being used for sitting and lying

Abstract

The invention relates to the technical field of folding chairs, in particular to a leisure outdoor sitting and lying dual-purpose folding chair which comprises a base, adjusting plates are symmetrically mounted on one side of the lower end of the base, folding supports are mounted on the other sides of the lower ends of the adjusting plates and the base, a mounting shaft is rotatably connected to the middle of the base, and a chair back is mounted in the middle of the mounting shaft. The folding chair has the advantages that by arranging the folding bracket, the folding chair can be folded, so that the folding chair is convenient to carry, and meanwhile, the folded chair is easier to store and does not occupy too much space; through the ingenious matching design of the mounting shaft, the chair back, the sector gear and the gear, the angle of the chair back can be stably adjusted, then the comfort of a user can be improved, through the ingenious matching design of the limiting mechanism, the gear can be limited, and then the chair back can be fixed after being adjusted to any angle; therefore, the safety and comfort of a user in the using process are ensured.

Description

Technical Field

[0001] The present invention belongs to the technical field of folding chairs, and particularly relates to a folding chair that can be used for sitting and lying down for outdoor leisure use. Background Art

[0002] At present, with the development of society and the progress of urbanization, more and more people are keen on outdoor activities such as camping and picnicking that are close to nature. For such activities, outdoor folding chairs are one of the essential equipment. For example, the patent number is: CN202020610138.4, and the patent name is: An outdoor folding chair, which includes a seat board. The outer walls on both sides of the seat board are rotatably connected with first support legs. The tops of the outer walls on the opposite sides of the two first support legs are fixedly connected with the same storage shell. The bottoms of the outer walls on the opposite sides of the two first support legs are fixedly connected with the same connecting rod. The outer walls on the opposite sides of the two first support legs are fixedly connected with the same rotating shaft, and the outer walls on the side of the first support legs where the rotating shaft is located are rotatably connected with second support legs. The outer walls on both sides of the bottom of the seat board are fixedly connected with limiting frames, and one end of the outer wall of the side of the second support leg is fixedly connected with a rotating block, and the rotating block is slidably connected with the inner wall of the side of the limiting frame. A storage groove is opened on the outer wall of one side of the storage shell. This utility model can place items by taking out the storage board and placing it on the placing rod, improving the convenience of using the folding chair, enhancing the stability of the storage board, and facilitating the movement of the folding chair. However, during the use of the above folding chair, the angle of the backrest net cannot be adjusted according to needs, reducing the comfort of the user. And when the user wants to lie down and rest after a long time outdoors, the lying-down requirement cannot be met. Therefore, how to overcome the above existing technical problems and defects has become a key problem to be solved. Summary of the Invention

[0003] The invention purpose of the present invention is to overcome the defects that during the use of the above folding chair in the background art, the angle of the backrest cannot be adjusted according to needs, reducing the comfort of the user, and when the user wants to lie down and rest after a long time outdoors, the lying-down requirement cannot be met, so as to realize a folding chair that can be used for sitting and lying down for outdoor leisure use.

[0004] To achieve the above-mentioned invention purpose, the technical solution of the present invention is: a folding chair for casual outdoor use that can be used for sitting and lying, including a base. On one side of the lower end of the base, adjusting plates are symmetrically installed. A folding bracket is installed on the other side of the lower end of the adjusting plate and the base. A mounting shaft is rotatably connected to the middle of the base. A chair back is installed in the middle of the mounting shaft. Sector gears are symmetrically installed on both sides of the mounting shaft. A gear meshing with the sector gears is rotatably installed on the base. A limiting mechanism for preventing the gear from rotating is installed on one side of the base. A rotating frame for placing the human legs is installed at one end of the base far from the adjusting plate through a rotating mechanism.

[0005] In the above-mentioned folding chair for casual outdoor use that can be used for sitting and lying, the folding bracket includes a third connecting shaft installed on the base and a second connecting shaft installed on the adjusting plate. At both ends of the third connecting shaft, first support rods are symmetrically rotatably connected. At both ends of the second connecting shaft, second support rods are symmetrically rotatably connected. And the second support rods and the first support rods on the same side are staggered. The middle parts of the first support rod and the second support rod are rotatably connected through a first connecting shaft. Reinforcing rods are fixedly connected to the lower middle parts between the two first support rods and between the two second support rods.

[0006] In the above-mentioned folding chair for casual outdoor use that can be used for sitting and lying, the limiting mechanism includes a mounting plate fixedly connected to the base. On one side of the upper end of the mounting plate, an ear plate is fixedly connected. An eccentric wheel is rotatably connected to the ear plate. On the other side of the upper end of the mounting plate, a support column is fixedly connected. A U-shaped plate is fixedly connected to the upper end of the support column. A sliding plate is slidably connected in the U-shaped plate in a matching manner. The sliding plate and the eccentric wheel are rotatably connected through a connecting rod. A straight tooth plate meshing with the gear is fixedly connected to the side of the sliding plate far from the eccentric wheel.

[0007] In the above-mentioned folding chair for casual outdoor use that can be used for sitting and lying, a spring is sleeved on the sliding plate. One end of the spring is fixedly connected to the U-shaped plate, and the other end of the spring is fixedly connected to the straight tooth plate.

[0008] In the above-mentioned folding chair for casual outdoor use that can be used for sitting and lying, the rotating mechanism includes a rotating shaft rotatably installed on the base. The rotating shaft is fixedly connected to the rotating frame. A turbine is installed on the rotating shaft. A mounting seat is installed on the base. A worm meshing with the turbine is rotatably installed on the mounting seat. A hand wheel is installed on the worm.

[0009] In the above-mentioned folding chair for casual outdoor use that can be used for sitting and lying, an adjusting support frame is installed between the backrest and the second connecting shaft. The adjusting support frame includes a rectangular tube, a telescopic rod, a positioning bolt, and a plugging hole. The rectangular tube is rotatably installed on the backrest. The telescopic rod is sleeved in the rectangular tube. One end of the telescopic rod away from the rectangular tube is rotatably connected to the second connecting shaft. A plurality of plugging holes are evenly spaced on the telescopic rod. A positioning bolt that can be inserted into the plugging hole is threadedly connected to the rectangular tube through a threaded hole.

[0010] In the above-mentioned folding chair for casual outdoor use that can be used for sitting and lying, a plurality of card interfaces adapted to the second connecting shaft are evenly spaced and inclined at the lower end of each adjusting plate.

[0011] In the above-mentioned folding chair for casual outdoor use that can be used for sitting and lying, canvases are installed on the base, the backrest, and the rotating frame.

[0012] In the above-mentioned folding chair for casual outdoor use that can be used for sitting and lying, the canvas is made of a polyester-cotton blended material.

[0013] In the above-mentioned folding chair for casual outdoor use that can be used for sitting and lying, first rotating guard bars are symmetrically and rotatably connected to both sides of the base. One end of the first rotating guard bar away from the base is rotatably connected to a second rotating guard bar. One end of the second rotating guard bar away from the first rotating guard bar is rotatably connected to the backrest. A sponge pad is installed on each second rotating guard bar.

[0014] Compared with the prior art, the folding chair for casual outdoor use that can be used for sitting and lying of the present invention has at least the following beneficial effects: For the folding chair for casual outdoor use that can be used for sitting and lying of the present invention, through the setting of the folding bracket, it can be folded, thus facilitating carrying. At the same time, the folded chair is also easier to store and does not occupy too much space.

[0015] For the folding chair for casual outdoor use that can be used for sitting and lying of the present invention, through the ingenious cooperative design of the mounting shaft, the backrest, the sector gear, and the gear, the angle of the backrest can be smoothly adjusted, thus improving the comfort of the user. Through the ingenious cooperative design of the limiting mechanism, the gear can be limited, so that the backrest can be fixed at any angle after adjustment, thereby ensuring the safety and comfort of the user during use.

[0016] For the folding chair for casual outdoor use that can be used for sitting and lying of the present invention, through the cooperative design of the rotating mechanism and the rotating frame, when in use, the user's legs can be placed on the rotating frame, thus meeting the needs of the user for sitting and lying. When not in use, the rotating frame can be rotated to the lower end of the base through the rotating mechanism, effectively reducing the volume, and thus making it more convenient to carry.

[0017] The folding chair for casual outdoor use of the present invention, which can be used for sitting and lying down, can effectively support the backrest through the coordinated design of the adjusting support frame, and further improve the safety of the user during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the folding chair for casual outdoor use of the present invention, which can be used for sitting and lying down; Figure 2 is Figure 1 a partially enlarged view of part A in Figure 3 is a schematic side structural diagram of the folding chair for casual outdoor use of the present invention, which can be used for sitting and lying down; Figure 4 is a schematic bottom structural diagram of the folding chair for casual outdoor use of the present invention, which can be used for sitting and lying down; Figure 5 is Figure 4 a partially enlarged view of part B in Figure 6 is a schematic structural diagram of the limit mechanism of the folding chair for casual outdoor use of the present invention, which can be used for sitting and lying down; Figure 7 is a schematic side structural diagram of the limit mechanism of the folding chair for casual outdoor use of the present invention, which can be used for sitting and lying down; Figure 8 is a schematic structural diagram of the rotating mechanism of the folding chair for casual outdoor use of the present invention, which can be used for sitting and lying down.

[0019] In the figure: 1. Base; 2. Adjusting plate; 201. Card interface; 3. Folding bracket; 301. First support rod; 302. Second support rod; 303. First connecting shaft; 304. Reinforcing rod; 305. Second connecting shaft; 306. Third connecting shaft; 4. Mounting shaft; 5. Backrest; 6. Sector gear; 7. Gear; 8. Limit mechanism; 801. Mounting plate; 802. Ear plate; 803. Eccentric wheel; 804. Connecting rod; 805. Support column; 806. U-shaped plate; 807. Sliding plate; 808. Straight tooth plate; 809. Spring; 9. Rotating frame; 10. Rotating mechanism; 1001. Rotating shaft; 1002. Mounting seat; 1003. Worm; 1004. Turbine; 1005. Handwheel; 11. Adjusting support frame; 1101. Rectangular tube; 1102. Telescopic rod; 1103. Positioning bolt; 1104. Insertion hole; 12. Canvas; 13. First rotating guard bar; 14. Second rotating guard bar; 15. Sponge pad. Detailed implementation manners

[0020] The following will describe the foldable chair for sitting and lying in leisure outdoors of the present invention in more detail with reference to the accompanying drawings and through specific implementation manners.

[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. Embodiment

[0022] This embodiment discloses a foldable chair for sitting and lying in leisure outdoors. Through the setting of the folding bracket 3, it can be folded, which is convenient for carrying. At the same time, the folded chair is also easier to store and does not occupy too much space. Refer to Figures 1 - 8 , which mainly includes a base 1. On one side of the lower end of the base 1, adjusting plates 2 are symmetrically installed. On the other side of the lower end of the adjusting plates 2 and the base 1, a folding bracket 3 is installed. In the middle of the base 1, a mounting shaft 4 is rotatably connected. In the middle of the mounting shaft 4, a chair back 5 is installed. On both sides of the mounting shaft 4, sector gears 6 are symmetrically installed. On the base 1, a gear 7 meshing with the sector gears 6 is rotatably installed. On one side of the base 1, a limiting mechanism 8 for preventing the gear 7 from rotating is installed. At one end of the base 1 away from the adjusting plate 2, a rotating frame 9 for placing the human legs is installed through a rotating mechanism 10; Through the ingenious cooperative design of the mounting shaft 4, the chair back 5, the sector gears 6 and the gear 7, the angle of the chair back 5 can be smoothly adjusted, thereby improving the comfort of the user. Through the ingenious cooperative design of the limiting mechanism 8, the gear 7 can be limited, so that the chair back 5 can be fixed at any angle after adjustment, thus ensuring the safety and comfort of the user during use; through the cooperative design of the rotating mechanism 10 and the rotating frame 9, during use, the user's legs can be placed on the rotating frame 9, so as to meet the needs of the user for sitting and lying. When not in use, the rotating frame 9 can be rotated to the lower end of the base 1 through the rotating mechanism 10, thereby effectively reducing the volume and making it more convenient to carry.

[0023] In this embodiment, refer to Figure 1 , Figure 3 and Figure 4, the folding bracket 3 includes a third connecting shaft 306 installed on the base 1 and a second connecting shaft 305 installed on the adjusting plate 2. Symmetrically rotatably connected to both ends of the third connecting shaft 306 are first support rods 301, and symmetrically rotatably connected to both ends of the second connecting shaft 305 are second support rods 302. The second support rods 302 and the first support rods 301 on the same side are staggeredly distributed. The middle parts of the first support rods 301 and the second support rods 302 are rotatably connected by a first connecting shaft 303. Reinforcing rods 304 are fixedly connected to the lower middle parts between the two first support rods 301 and between the two second support rods 302. When in actual use, when needed, the user rotates the first support rods 301 and the second support rods 302, which can enable the first support rods 301 and the second support rods 302 to support the base 1. When not needed, by rotating the first support rods 301 and the second support rods 302, the folding chair can be folded, thus facilitating carrying.

[0024] In this embodiment, referring to Figure 1 , Figure 2 , Figure 4 , Figure 6 and Figure 7 , the limiting mechanism 8 includes a mounting plate 801 fixedly connected to the base 1. On one side of the upper end of the mounting plate 801, an ear plate 802 is fixedly connected. An eccentric wheel 803 is rotatably connected to the ear plate 802. On the other side of the upper end of the mounting plate 801, a support column 805 is fixedly connected. At the upper end of the support column 805, a U-shaped plate 806 is fixedly connected. A sliding plate 807 is slidably connected in the U-shaped plate 806 in a matching manner. The sliding plate 807 and the eccentric wheel 803 are rotatably connected by a connecting rod 804. On the side of the sliding plate 807 away from the eccentric wheel 803, a straight tooth plate 808 meshing with the gear 7 is fixedly connected. When in actual use, by rotating the eccentric wheel 803, the eccentric wheel 803 drives the connecting rod 804 to move. The connecting rod 804 drives the sliding plate 807 to move. The sliding plate 807 drives the straight tooth plate 808 to move until the straight tooth plate 808 no longer meshes with the gear 7. At this time, rotate the chair back 5 as needed. When the chair back 5 is rotated to an appropriate angle, rotate the eccentric wheel 803 in the reverse direction. The eccentric wheel 803 drives the connecting rod 804 to move. The connecting rod 804 drives the sliding plate 807 to move. The sliding plate 807 drives the straight tooth plate 808 to move until the straight tooth plate 808 meshes with the gear 7. At this time, the gear 7 can be limited to prevent the gear 7 from rotating randomly.

[0025] In this embodiment, referring to Figure 1 , Figure 2 , Figure 4 , Figure 6 and Figure 7, a spring 809 is sleeved on the sliding plate 807. One end of the spring 809 is fixedly connected to the U-shaped plate 806, and the other end of the spring 809 is fixedly connected to the straight tooth plate 808. Through the ingenious design of the spring 809, when the straight tooth plate 808 is no longer engaged with the gear 7, the spring 809 is compressed. Due to the elastic force of the spring 809, the straight tooth plate 808 will be reset, and then the straight tooth plate 808 will be engaged with the gear 7, which is convenient and fast.

[0026] In this embodiment, referring to Figure 1 , Figure 3 , Figure 4 and Figure 8 , the rotating mechanism 10 includes a rotating shaft 1001 rotatably installed on the base 1. The rotating shaft 1001 is fixedly connected to the rotating frame 9. A turbine 1004 is installed on the rotating shaft 1001. An installation seat 1002 is installed on the base 1. A worm 1003 meshing with the turbine 1004 is rotatably installed on the installation seat 1002. A handwheel 1005 is installed on the worm 1003. In specific use, when the user wants to lie down, the worm 1003 is rotated through the handwheel 1005. The worm 1003 meshes with the turbine 1004, causing the turbine 1004 to rotate. The turbine 1004 drives the rotating shaft 1001 to rotate, and the rotating shaft 1001 drives the rotating frame 9 to rotate until the rotating frame 9 is parallel to the base 1. At this time, the user's legs can be placed on the rotating frame 9, thereby improving the comfort of the user. When not in use, the worm 1003 is rotated in the reverse direction. The worm 1003 drives the turbine 1004 to rotate, the turbine 1004 drives the rotating shaft 1001 to rotate, and the rotating shaft 1001 drives the rotating frame 9 to rotate until the rotating frame 9 rotates to the lower end of the base 1 and is parallel to the base 1. At this time, the volume of the folding chair is effectively reduced, which is convenient for carrying. Embodiment

[0027] The same parts as those in the above embodiment will not be described in detail. The differences are as follows: This embodiment discloses a folding chair that can be used for sitting and lying for leisure outdoors. In order to effectively support the backrest 5 and further improve the safety of the user. Referring to Figure 1 , Figure 4 and Figure 5, which mainly includes that an adjustment support frame 11 is installed between the backrest 5 and the second connecting shaft 305. The adjustment support frame 11 includes a rectangular cylinder 1101, a telescopic rod 1102, a positioning bolt 1103 and a plug hole 1104. The rectangular cylinder 1101 is rotatably installed on the backrest 5. The telescopic rod 1102 is sleeved in the rectangular cylinder 1101. One end of the telescopic rod 1102 far from the rectangular cylinder 1101 is rotatably connected to the second connecting shaft 305. A plurality of plug holes 1104 are evenly spaced on the telescopic rod 1102. A positioning bolt 1103 that can be inserted into the plug hole 1104 is threadedly connected to the rectangular cylinder 1101 through a threaded hole. During specific use, when the backrest 5 is rotated, the positioning bolt 1103 is screwed until the positioning bolt 1103 moves out of the plug hole 1104. At this time, during the process of adjusting the angle of the backrest 5, the telescopic rod 1102 slides in the rectangular cylinder 1101, and at the same time, the rectangular cylinder 1101 and the telescopic rod 1102 also rotate. When the backrest 5 is adjusted to an appropriate angle, the positioning bolt 1103 is screwed in the reverse direction until the positioning bolt 1103 is inserted into the plug hole 1104. At this time, through the cooperation of the rectangular cylinder 1101 and the telescopic rod 1102, the backrest 5 can be effectively supported, thereby further improving the safety of the user. Embodiment

[0028] The same parts as those in the above embodiment will not be described again. The differences are as follows: This embodiment discloses a folding chair that can be used for sitting and lying and is for outdoor leisure use. Refer to Figure 1 , Figure 3 and Figure 4 , and a plurality of card interfaces 201 adapted to the second connecting shaft 305 are evenly spaced and obliquely opened at the lower end of each adjusting plate 2. Through the setting of the plurality of card interfaces 201, the position of the second support rod 302 can be adjusted, and thus the support area of the first support rod 301 and the second support rod 302 can be adjusted according to needs, thereby effectively increasing the stability of the folding chair. Embodiment

[0029] The same parts as those in the above embodiment will not be described again. The differences are as follows: This embodiment discloses a folding chair that can be used for sitting and lying and is for outdoor leisure use. Refer to Figure 1 , Figure 3 and Figure 4 , which mainly includes that canvas 12 is installed on the base 1, the backrest 5 and the rotating frame 9; the canvas 12 is made of a polyester-cotton blended material; due to the inclusion of polyester components, the polyester-cotton blended material has high wear resistance, can withstand large pulling and abrasion and has good impact resistance, and can withstand large pressure without being easily damaged; and it also has certain air permeability, which can allow air to circulate and is beneficial to maintaining a comfortable feeling in hot weather. Embodiment

[0030] The same parts as those in the above embodiments will not be described again. The differences are as follows: This embodiment discloses a folding chair that can be used for sitting and lying, which is suitable for outdoor leisure use. Referring to Figure 1 , Figure 3 and Figure 4 , it mainly includes that on both sides of the base 1, the first rotating guard bars 13 are symmetrically and rotatably connected. One end of the first rotating guard bar 13 away from the base 1 is rotatably connected to the second rotating guard bar 14. One end of the second rotating guard bar 14 away from the first rotating guard bar 13 is rotatably connected to the chair back 5. A sponge pad 15 is installed on each second rotating guard bar 14. Through the cooperative design of the first rotating guard bar 13, the second rotating guard bar 14 and the sponge pad 15, this design not only increases the safety of the user during use and avoids injuries caused by collisions or frictions, but also improves the overall aesthetics and comfort of the folding chair.

[0031] The working principle of the folding chair that can be used for sitting and lying, which is suitable for outdoor leisure use, of the present invention: When used outdoors, place the folding chair in an appropriate position. Rotate the first support rod 301 and the second support rod 302, so that the first support rod 301 and the second support rod 302 can provide support. At this time, the user can sit on the canvas 12 on the base 1. When it is necessary to adjust the angle of the chair back 5, rotate the eccentric wheel 803. The eccentric wheel 803 drives the connecting rod 804 to move. The connecting rod 804 drives the sliding plate 807 to move until the sliding plate 807 no longer meshes with the gear 7. At this time, the user can rotate the chair back 5 as needed. When it is rotated to an appropriate angle, release the eccentric wheel 803. Under the action of the elastic force of the spring 809, the sliding plate 807 returns to its original position, and then drives the straight tooth plate 808 to move. The straight tooth plate 808 meshes with the gear 7 to limit the gear 7. When the user wants to lie down, rotate the worm 1003 through the hand wheel 1005. The worm 1003 drives the turbine 1004 to rotate. The turbine 1004 drives the rotating shaft 1001 to rotate. The rotating shaft 1001 drives the rotating frame 9 to rotate until the rotating frame 9 rotates to be parallel to the base 1. At this time, the user's legs can be placed on the rotating frame 9. At this time, the dual-use requirements of sitting and lying of the user can be satisfied.

[0032] It should be noted that when this device is specifically implemented, the structures described in the attached drawings of this specification are not fixed and immutable implementation manners. Usually, the components of the embodiments of the present invention described and shown in the attached drawings here can be arranged and designed in various different configurations. In addition, the attached drawings of this specification and the abstract drawings are only schematic diagrams, and do not represent the specific structures and actual quantities, etc. when specifically implemented.

[0033] Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meanings as understood by those of ordinary skill in the art to which this invention belongs. As used in the specification and claims of this application, words such as "a" or "an" do not necessarily denote a limitation of quantity. Words such as "comprising" or "including" mean that the elements or components appearing before the word cover the elements or components listed after the word and their equivalents, without excluding other elements or components. Words such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0034] The exemplary embodiments of the present invention have been described in detail above with reference to the preferred embodiments. However, those skilled in the art can understand that, without departing from the concept of the present invention, various modifications and variations can be made to the above specific embodiments, and various combinations can be made to the technical features and structures proposed by the present invention, without exceeding the protection scope of the present invention.

Claims

1. A folding chair for casual outdoor use that can be used for sitting and lying down, comprising a base (1), characterized in that: On one side of the lower end of the base (1), adjusting plates (2) are symmetrically installed, and a folding bracket (3) is installed on the other side of the lower end of the adjusting plate (2) and the base (1); In the middle of the base (1), a mounting shaft (4) is rotatably connected. In the middle of the mounting shaft (4), a chair back (5) is installed. On both sides of the mounting shaft (4), sector gears (6) are symmetrically installed. On the base (1), a gear (7) meshing with the sector gears (6) is rotatably installed; On one side of the base (1), a limiting mechanism (8) for preventing the gear (7) from rotating is installed; At one end of the base (1) away from the adjusting plate (2), a rotating frame (9) for placing the human legs is installed through a rotating mechanism (10).

2. The folding chair for casual outdoor use that can be used for sitting and lying, according to claim 1, is characterized in that: The folding bracket (3) includes a third connecting shaft (306) installed on the base (1) and a second connecting shaft (305) installed on the adjusting plate (2); At both ends of the third connecting shaft (306), first support rods (301) are symmetrically rotatably connected. At both ends of the second connecting shaft (305), second support rods (302) are symmetrically rotatably connected. The second support rods (302) and the first support rods (301) on the same side are staggered. The middle parts of the first support rods (301) and the second support rods (302) are rotatably connected through a first connecting shaft (303). Reinforcing rods (304) are fixedly connected to the middle and lower ends between the two first support rods (301) and between the two second support rods (302).

3. The folding chair for casual outdoor use that can be used for sitting and lying down as claimed in claim 1, wherein: The limiting mechanism (8) includes a mounting plate (801) fixedly connected to the base (1). On one side of the upper end of the mounting plate (801), an ear plate (802) is fixedly connected. An eccentric wheel (803) is rotatably connected to the ear plate (802). On the other side of the upper end of the mounting plate (801), a support column (805) is fixedly connected. At the upper end of the support column (805), a U-shaped plate (806) is fixedly connected. A sliding plate (807) is slidably connected in the U-shaped plate (806) in a matching manner. The sliding plate (807) is rotatably connected to the eccentric wheel (803) through a connecting rod (804). On the side of the sliding plate (807) away from the eccentric wheel (803), a straight tooth plate (808) meshing with the gear (7) is fixedly connected.

4. The folding chair for casual outdoor use that can be used for sitting and lying down according to claim 3, characterized in that: A spring (809) is sleeved on the sliding plate (807). One end of the spring (809) is fixedly connected to the U-shaped plate (806), and the other end of the spring (809) is fixedly connected to the straight tooth plate (808).

5. The folding chair for casual outdoor use that can be used both in a sitting and a lying position according to claim 1, wherein: The rotating mechanism (10) includes a rotating shaft (1001) rotatably installed on the base (1). The rotating shaft (1001) is fixedly connected to the rotating frame (9). A turbine (1004) is installed on the rotating shaft (1001). A mounting seat (1002) is installed on the base (1). A worm (1003) meshing with the turbine (1004) is rotatably installed on the mounting seat (1002). A handwheel (1005) is installed on the worm (1003).

6. The folding chair for casual outdoor use that can be used for sitting and lying down according to claim 2, wherein: An adjustment support frame (11) is installed between the chair back (5) and the second connecting shaft (305). The adjustment support frame (11) includes a rectangular cylinder (1101), a telescopic rod (1102), a positioning bolt (1103), and a socket hole (1104). The rectangular cylinder (1101) is rotatably installed on the chair back (5). The telescopic rod (1102) is sleeved in the rectangular cylinder (1101). One end of the telescopic rod (1102) away from the rectangular cylinder (1101) is rotatably connected to the second connecting shaft (305). A plurality of socket holes (1104) are evenly spaced on the telescopic rod (1102). A positioning bolt (1103) that can be inserted into the socket hole (1104) is threadedly connected to the rectangular cylinder (1101) through a threaded hole.

7. The folding chair for casual outdoor use that can be used for sitting and lying down according to claim 2, characterized in that: A plurality of card interfaces (201) adapted to the second connecting shaft (305) are evenly spaced and inclined at the lower end of each adjustment plate (2).

8. The folding chair for casual outdoor use that can be used for sitting and lying down as claimed in any one of claims 1-7, characterized in that: Canvas (12) is installed on the base (1), the chair back (5), and the rotating frame (9).

9. The folding chair for sitting and lying down, which is used for leisure outdoors according to claim 8, is characterized in that: The canvas (12) is made of a polyester-cotton blended material.

10. The folding chair for casual outdoor use that can be used both in a sitting position and a lying position according to claim 1, wherein: First rotating guard rods (13) are symmetrically and rotatably connected to both sides of the base (1). One end of the first rotating guard rod (13) away from the base (1) is rotatably connected to a second rotating guard rod (14). One end of the second rotating guard rod (14) away from the first rotating guard rod (13) is rotatably connected to the chair back (5). A sponge pad (15) is installed on each second rotating guard rod (14).

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