Foldable hanging chair

The folding function of the hanging chair is achieved through the design of the detachable arc-shaped support rod and the bottom frame, which solves the problem of high transportation and storage costs caused by the large size of the hanging chair and improves the user experience.

CN223452981UActive Publication Date: 2025-10-21蒋晓明
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Patent Information

Application Number
CN202422486626.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-10-21
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

Existing hanging chairs have a simple structure and large size, resulting in high transportation and storage costs and a poor user experience.

Method used

The structure employs detachable arc-shaped support rods, a bottom frame, and a front frame, forming a foldable structure through flexible connectors. When unfolded, it creates a storage space, and when folded, it reduces its volume.

Benefits of technology

It reduces the transportation and storage costs of hanging chairs, improves the user experience, and avoids damage and loss of connecting parts.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223452981U_ABST
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Abstract

The foldable hanging seat comprises a front frame body, a bottom frame body, a flexible connecting piece and a plurality of arc-shaped supporting rods, one side of the front frame body is provided with a first connecting piece used for being connected with the bottom frame body and a second connecting piece used for being connected with the arc-shaped supporting rods, and the bottom frame body is detachably connected with the first connecting piece; the arc-shaped supporting rods are detachably connected with the second connecting pieces, and the flexible connecting pieces are suitable for being connected with the front frame body, the bottom frame body and the arc-shaped supporting rods. When the bottom frame body is connected with the first connecting pieces and the arc-shaped supporting rods are connected with the second connecting pieces, the bottom frame body and the arc-shaped supporting rods are unfolded relative to the front frame body, the arc-shaped supporting rods are arranged in parallel, and the front frame body, the bottom frame body, the supporting rods and the flexible connecting pieces define a containing space. When the bottom frame body is separated from the first connecting piece and the arc-shaped supporting rod is separated from the second connecting piece, the bottom frame body and the arc-shaped supporting rod are folded relative to the front frame body, the bottom frame body and the arc-shaped supporting rod are close to each other and attached to the front frame body, and the space occupied by the hanging seat during transportation or storage is reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hanging chairs, in particular to a foldable hanging chair. BACKGROUND

[0002] With the gradual increase of people's life and work pressure, people more and more yearn for leisure and comfortable home life. After a day of work outside, people are more eager to return to their safe and comfortable nest to relax. In recent years, fashionable leisure hanging chairs have quietly become popular in cities. Different styles of hanging chairs are elegant and generous, unique and special in style, novel and various in style, and solid and durable. They have European noble classical style, North American leisure romantic style, and Oriental simple and solemn style. Each style is full of artistic atmosphere and cultural taste, giving people a feeling of returning to nature.

[0003] Most of the existing hanging chairs are made of wood or metal materials to form the frame, handrails, backrests and the like. A rope is arranged on the upper part of the frame to connect the hanging chair to the hanging chair installation position. The structure of the hanging chair is relatively simple, and the whole hanging chair is made of hard material and generally cannot be disassembled or folded. Therefore, the volume and packaging size of the hanging chair are relatively large, and the hanging chair needs to occupy a large space during transportation or storage, resulting in high packaging and transportation costs of the hanging chair and poor user experience. SUMMARY

[0004] An object of the present application is to provide a foldable hanging chair with small volume after folding, which is convenient for transportation and storage.

[0005] To achieve the above object, the technical solution adopted by the present application is as follows: a foldable hanging chair, comprising a front frame, a bottom frame, a flexible connecting piece and a plurality of arc-shaped supporting rods, one side of the front frame is provided with a first connecting piece for connecting the arc-shaped supporting rods and a second connecting piece for connecting the bottom frame, the arc-shaped supporting rods are detachably connected with the first connecting piece, the bottom frame is detachably connected with the second connecting piece, and the flexible connecting piece is adapted to connect the front frame, the bottom frame and each arc-shaped supporting rod.

[0006] When the arc-shaped supporting rods are connected with the first connecting piece and the bottom frame is connected with the second connecting piece, the bottom frame and the arc-shaped supporting rods are unfolded relative to the front frame, each arc-shaped supporting rod is arranged in parallel, and the front frame, the bottom frame, the supporting rods and the flexible connecting piece enclose a containing space.

[0007] When the arc-shaped supporting rods are separated from the first connecting piece and the bottom frame is separated from the second connecting piece, the bottom frame and the arc-shaped supporting rods are folded relative to the front frame, and the bottom frame and the arc-shaped supporting rods are close to and attached to the front frame.

[0008] As a preferred, the first connecting piece comprises a first mounting base, one end of the first mounting base is fixedly connected to the front frame body, the other end of the first mounting base extends towards the direction of the arc-shaped support rod, a cylindrical cavity with one end opening is arranged in the first mounting base, the inner diameter of the cylindrical cavity is matched with the pipe diameter of the end of the arc-shaped support rod, and the end of the arc-shaped support rod is detachably inserted into the cylindrical cavity to be connected with the first mounting base.

[0009] As another preferred, the axis of the first mounting base is arranged upwardly inclined to the horizontal plane, the first mounting base is at a first included angle with the front frame body, and the first included angle ranges from 40° to 70°.

[0010] Further preferably, the depth of the cylindrical cavity ranges from 25 mm to 40 mm.

[0011] Further, the second connecting piece comprises a second mounting base and a limiting piece, one end of the second mounting base is fixedly connected to the bottom end of the front frame body, the inside of the second mounting base is hollow to form a connecting cavity, the end of the bottom frame body is adapted to be detachably inserted into the connecting cavity to be connected with the second mounting base, and the limiting piece is adapted to be simultaneously penetrated on the end of the second mounting base and the bottom frame body to limit the end of the bottom frame body from being separated from the second mounting base.

[0012] Further, the second mounting base is at a second included angle with the front frame body, and the second included angle ranges from 60° to 85°.

[0013] Further, the limiting piece can be implemented as a limiting pin or a limiting bolt.

[0014] Further, the second connecting piece further comprises an elastic locking piece, one end of the elastic locking piece is connected to the end of the limiting piece, the other end of the elastic locking piece abuts against the second mounting base, and the elastic locking piece is adapted to exert an acting force on the limiting piece in a direction opposite to the separation direction of the limiting piece to limit the end of the bottom frame body from being separated from the second mounting base when the external force is less than a preset value.

[0015] Further, the second mounting base is implemented as a U-shaped steel, mounting holes are formed on the two side walls of the U-shaped steel, the limiting piece can penetrate through the mounting holes to be simultaneously penetrated on the U-shaped steel and the end of the bottom frame body, and the opening of the U-shaped steel is downwardly arranged, when the end of the bottom frame body is connected to the U-shaped steel, the U-shaped steel can limit the bottom frame body from approaching the front frame body.

[0016] Further, the bottom frame body comprises a bottom support rod and a seat part connected to the bottom support rod, the seat part comprises a first rod body and a second rod body, the first rod body is in a straight rod structure, the second rod body is in an arc rod structure, two ends of the first rod body are respectively connected to two end parts of the bottom support rod, two ends of the second rod body are fixedly connected to the first rod body, and a flexible pull rope is connected between the second rod body and the bottom support rod, and a supporting net for supporting is arranged between the first rod body and the second rod body.

[0017] Compared with the prior art, the application has the beneficial effects that:

[0018] The arc-shaped support rods, the bottom frame body and the front frame body of the foldable hanging chair are detachably connected, when the foldable hanging chair is stored or transported, the arc-shaped support rods and the bottom frame body can be detached from the front frame body, the arc-shaped support rods and the bottom frame body are folded towards the front frame body and are attached to the front frame body, so that the space required by the foldable hanging chair is reduced, the user can conveniently store the foldable hanging chair, the packaging of the foldable hanging chair is correspondingly reduced, and the transportation cost of the foldable hanging chair is reduced; meanwhile, the flexible connecting pieces are further connected between the arc-shaped support rods, the bottom frame body and the front frame body, the flexible connecting pieces can connect the arc-shaped support rods and the bottom frame body to the front frame body after the arc-shaped support rods, the bottom frame body and the front frame body are separated, and the arc-shaped support rods, the bottom frame body and the front frame body are prevented from being placed separately and lost. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the foldable hanging chair of the application when unfolded.

[0020] Figure 2 It is a side view of the foldable hanging chair of the application when unfolded.

[0021] Figure 3 It is a structure schematic view of a first connecting piece in the foldable hanging chair of the application.

[0022] Figure 4 It is a structure schematic view of a second connecting piece in the foldable hanging chair of the application.

[0023] Figure 5 It is a perspective structure schematic view of a bottom frame body in the foldable hanging chair of the application.

[0024] Figure 6 It is a front view of the foldable hanging chair of the application when folded.

[0025] Figure 7 It is a side view of the foldable hanging chair of the application when folded.

[0026] In the drawings: 100, front frame body; 110, side frame rod; 120, top frame rod; 130, bottom frame rod; 140, buckle ring; 150, first connecting piece; 151, first mounting seat; 152, cylindrical cavity; 160, second connecting piece; 161, second mounting seat; 162, limiting piece; 163, elastic locking piece; 200, bottom frame body; 210, bottom support rod; 220, seat part; 221, first rod body; 222, second rod body; 223, flexible pull rope; 230, supporting net; 300, flexible connecting piece; 400, arc-shaped support rod. DETAILED DESCRIPTION

[0027] Hereinafter, the present application will be further described in conjunction with specific embodiments, and it should be noted that, under the premise of no conflict, each embodiment described below or each technical feature can be combined with any other embodiment or technical feature to form a new embodiment.

[0028] In the description of the present application, it should be noted that, for orientation words, such as terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0029] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and do not necessarily have to describe a particular order or sequence.

[0030] The terms "include" and "have" and any variations thereof in the specification and claims of the present application are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0031] REFERENCE Figures 1-7The embodiment shown in the application provides a foldable hanging chair, which comprises a front frame body 100, a bottom frame body 200, a flexible connecting piece 300 and a plurality of arc-shaped support rods 400. The front frame body 100 is in an elliptical shape, and comprises two oppositely arranged side frame rods 110 and a top frame rod 120 and a bottom frame rod 130 connected between the two side frame rods 110. A buckle 140 is arranged on the top frame rod 120, and the buckle 140 is adapted to cooperate with a support to hang the foldable hanging chair. The rear side of the side frame rod 110 is provided with a first connecting piece 150 for connecting the arc-shaped support rod 400. The rear side of the bottom frame rod 130 is provided with a second connecting piece 160 for connecting the bottom frame body 200. The first connecting pieces 150 on the two side frame rods 110 are oppositely arranged, so that the two ends of the arc-shaped support rod 400 are located at the same height position of the two side frame rods 110 respectively. The arc-shaped support rod 400 is detachably connected with the first connecting piece 150, and the bottom frame body 200 is detachably connected with the second connecting piece 160. The flexible connecting piece 300 connects the front frame body 100, the bottom frame body 200 and each arc-shaped support rod 400, thereby forming a containing space opening forward. Each arc-shaped support rod 400 and the bottom frame body 200 can be folded towards the front frame body 100 after being detached from the front frame body 100, so as to reduce the volume of the foldable hanging chair, thereby reducing the space required by the foldable hanging chair and the packaging size of the foldable hanging chair, reducing the packaging cost and transportation cost of the foldable hanging chair, and improving the user experience.

[0032] Specifically, as shown in the drawings, Figures 1-2 When the arc-shaped support rod 400 is connected with the first connecting piece 150 and the bottom frame body 200 is connected with the second connecting piece 160, the bottom frame body 200 and the arc-shaped support rod 400 are unfolded relative to the front frame body 100, each arc-shaped support rod 400 is arranged in parallel, the flexible connecting piece 300 connects the front frame body 100, the arc-shaped support rod 400 and the bottom frame body 200 in the vertical direction, and then the front frame body 100, the bottom frame body 200, each arc-shaped support rod 400 and the flexible connecting piece 300 enclose a containing space; as shown in the drawings, Figures 6-7 When the arc-shaped support rod 400 is separated from the first connecting piece 150 and the bottom frame body 200 is separated from the second connecting piece 160, the bottom frame body 200 and the arc-shaped support rod 400 can be folded relative to the front frame body 100, and the bottom frame body 200 and the arc-shaped support rod 400 are close to and fit on the front frame body 100, thereby greatly reducing the volume of the foldable hanging chair and facilitating the storage and transportation of the foldable hanging chair.

[0033] In the existing folding hanging chair products, the bottom frame 200 is usually arranged at the bottom edge of the front frame 100, and after the bottom frame 200 is folded and close to the front frame 100, the connection between the bottom frame 200 and the front frame 100 is located at the edge of the front frame 100, and then in the transportation process, the connection between the bottom frame 200 and the front frame 100 is easily extruded, bumped, and damaged, thereby the bottom frame 200, the front frame 100 and the connecting part between them are damaged, so that the bottom frame 200 cannot be normally unfolded relative to the front frame 100 to form a containing space. The foldable hanging chair of the present application adopts a detachable connection between the bottom frame 200 and the front frame 100, so that the bottom frame 200 can be separated from the front frame 100 in the transportation process, thereby avoiding the extrusion deformation of the connecting part between the bottom frame 200 and the front frame 100.

[0034] The first connecting part 150 comprises a first mounting seat 151, one end of the first mounting seat 151 is fixedly connected to the side frame rod 110, the other end of the first mounting seat 151 extends towards the direction of the arc-shaped support rod 400, a cylindrical cavity 152 with one end opening is arranged in the first mounting seat 151, the end of the arc-shaped support rod 400 is detachably inserted into the cylindrical cavity 152 through the opening, realizing the detachable connection between the arc-shaped support rod 400 and the first mounting seat 151, the depth of the cylindrical cavity 152 is 25mm-40mm, the inner diameter of the cylindrical cavity 152 is matched with the pipe diameter of the end of the arc-shaped support rod 400, when the end of the arc-shaped support rod 400 is inserted into the cylindrical cavity 152, the outer pipe wall of the end of the arc-shaped support rod 400 and the inner wall of the first mounting seat 151 are mutually close, thereby ensuring the connection strength between the arc-shaped support rod 400 and the first mounting seat 151 and reducing the difficulty of installation and dismounting of the arc-shaped support rod 400, the inner diameter and the depth of the cylindrical cavity 152 will affect the cooperation between the arc-shaped support rod 400 and the first mounting seat 151, the larger inner diameter and the smaller depth of the cylindrical cavity 152 will result in the reduction of the connection strength between the arc-shaped support rod 400 and the first mounting seat 151, and the arc-shaped support rod 400 is easily separated from the first mounting seat 151 in the use process, which has a safety hazard; the smaller inner diameter and the larger depth of the cylindrical cavity 152 will increase the difficulty of installation and dismounting of the arc-shaped support rod 400. Preferably, the depth of the cylindrical cavity 152 is 30mm.

[0035] Further, the second connecting piece 160 comprises a second mounting base 161 and a limiting piece 162, one end of the second mounting base 161 is fixedly connected with the bottom frame rod 130, the other end of the second mounting base 161 extends towards the direction of the arc-shaped supporting rod 400, the inside of the second mounting base 161 is hollow to form a connecting cavity, the end of the bottom frame body 200 is detachably connected in the connecting cavity, so that the bottom frame body 200 and the front frame body 100 are detachably connected, the limiting piece 162 is adapted to be simultaneously arranged on the second mounting base 161 and the end of the bottom frame body 200, so as to prevent the end of the bottom frame body 200 from being separated from the second mounting base 161.

[0036] As shown in Figure 4 , the second mounting base 161 can be preferably implemented as a U-shaped steel, one end of the U-shaped steel is fixedly connected with the bottom frame rod 130, the other end of the U-shaped steel extends towards the direction of the arc-shaped supporting rod 400, the U-shaped steel comprises two oppositely arranged side walls and a top wall connected to the top ends of the two side walls, the two side walls and the top wall enclose the connecting cavity for connecting the bottom frame body 200, the opening of the connecting cavity faces downward, the top wall is arc-shaped, and the inner diameter of the top wall is matched with the pipe diameter of the end of the bottom frame rod 130, when the end of the bottom frame body 200 is mounted in the connecting cavity, the outer pipe wall of the end of the bottom frame body 200 is in close contact with the top wall, and then the top wall can limit the bottom frame body 200 from folding towards the front frame body 100, so as to avoid that the user is injured due to the folding of the bottom frame body 200 during use. Opposite mounting holes are formed in the two side walls of the U-shaped steel, and the end of the bottom frame body 200 is also provided with a through hole, when the bottom frame body 200 is connected to the U-shaped steel, the mounting holes are aligned with the through hole, and the limiting piece 162 can be arranged on the U-shaped steel through the mounting holes and the through hole, so that the limiting piece 162 can limit the bottom frame body 200 from being separated from the U-shaped steel.

[0037] The type of the limiting piece 162 is not limited, in different embodiments, the limiting piece 162 can be implemented as a bolt, a pin and the like, in the embodiment shown in Figures 1-7 , the limiting piece 162 is selected as a pin, the pin is arranged on the U-shaped steel through the mounting holes and the through hole, so as to limit the bottom frame body 200 from being separated from the second mounting base 161.

[0038] The second connecting piece 160 further comprises an elastic locking piece 163, one end of the elastic locking piece 163 is connected to the end of the limiting piece 162, and the other end of the elastic locking piece 163 abuts against the side wall on the other side of the second mounting seat 161, the two ends of the elastic locking piece 163 are adapted to be close to each other to clamp, so that the elastic locking piece 163 is adapted to exert an acting force on the limiting piece 162 in the direction opposite to the disengagement direction of the limiting piece 162, so as to limit the disengagement of the limiting piece 162 from the second mounting seat 161 when the external force does not exceed the preset value, thereby ensuring that the limiting piece 162 can limit the bottom frame body 200. Preferably, the elastic locking piece 163 can be implemented as a U-shaped spring, one end of the U-shaped spring is connected to the end of the limiting piece 162, and the other end of the U-shaped spring abuts against the side wall on the other side of the second mounting seat 161, the U-shaped spring is elastically deformed to exert an acting force on the limiting piece 162, preventing the limiting piece 162 from disengaging from the second mounting seat 161 during use of the foldable hanging chair.

[0039] Further, the first mounting seat 151 and the second mounting seat 161 are both inclinedly arranged, the axis of the first mounting seat 151 and the axis of the second mounting seat 161 are both arranged upwardly inclined to the horizontal plane, so that the first mounting seat 151 forms a first included angle with the front frame body 100, and the second mounting seat 161 forms a second included angle with the front frame body 100, when the bottom frame body 200 is connected to the first mounting seat 151 and the arc-shaped supporting rod 400 is connected to the second mounting seat 161, the bottom frame body 200 and the arc-shaped supporting rod 400 also form the first included angle and the second included angle with the front frame body 100, the degree of the first included angle is smaller than the degree of the second included angle, the range of the first included angle is 40°-70°, and the range of the second included angle is 60°-85°, preferably, the first included angle is 66°, and the second included angle is 79°. The inclined arrangement of the first mounting seat 151 and the second mounting seat 161 can improve the connection strength of the bottom frame body 200 with the front frame body 100 and the arc-shaped supporting rod 400 with the front frame body 100.

[0040] The bottom frame body 200 comprises a bottom supporting rod 210 and a seat part 220 connected to the bottom supporting rod 210, the bottom supporting rod 210 is in an arc shape, the two ends of the bottom supporting rod 210 are detachably connected to the bottom frame rod 130 through the first connecting piece 150, and the bottom supporting rod 210 is connected with the arc-shaped supporting rod 400 through the flexible connecting piece 300; the seat part comprises a first rod body 221 and a second rod body 222, the first rod body 221 is in a straight rod structure, the second rod body 222 is in an arc-shaped rod structure, the two ends of the first rod body 221 are respectively connected to the two ends of the bottom supporting rod 210, the two ends of the second rod body 222 are fixedly connected to the first rod body 221, and a flexible pull rope 223 is further connected between the second rod body 222 and the bottom supporting rod 210, the first rod body 221 and the second rod body 222 form a supporting area, and a supporting net 230 is arranged in the supporting area, the supporting net 230 can be made of rattan, woven belt or the like, and has good air permeability and better comfort.

[0041] When the foldable hanging chair is unfolded for use, each arc-shaped support rod 400 and the bottom frame 200 can be folded downward away from the front frame 100 to be connected with the first connecting piece 150 and the second connecting piece 160 respectively, each arc-shaped support rod 400 and the bottom frame 200 are unfolded relative to the front frame 100, the flexible connecting piece 300 connects each arc-shaped support rod 400 and the bottom frame 200 in the vertical direction and connects each arc-shaped support rod 400 and the bottom frame 200 to the front frame 100, thereby forming a containing space between the front frame 100, each arc-shaped support rod 400, the bottom frame 200 and the flexible connecting piece 300; when the foldable hanging chair is stored, each arc-shaped support rod 400 and the bottom frame 200 are separated from the first connecting piece 150 and the second connecting piece 160, the arc-shaped support rod 400 and the bottom frame 200 are close to the front frame 100 to be attached to the front frame 100, the flexible connecting piece 300 is connected between each arc-shaped support rod 400 and the bottom frame 200, and then the arc-shaped support rod 400 and the bottom frame 200 are separated from the front frame 100, the arc-shaped support rod 400 and the bottom frame 200 are still connected with the front frame 100 through the flexible connecting piece 300, and the arc-shaped support rod 400 and the bottom frame 200 will not be lost after being separated from the front frame 100.

[0042] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A foldable sling chair, characterized by, The application relates to a frame structure, which comprises a front frame body, a bottom frame body, a flexible connecting piece and a plurality of arc-shaped supporting rods, one side of the front frame body is provided with a first connecting piece for connecting the arc-shaped supporting rods and a second connecting piece for connecting the bottom frame body, the arc-shaped supporting rods are detachably connected with the first connecting piece, the bottom frame body is detachably connected with the second connecting piece, and the flexible connecting piece is suitable for connecting the front frame body, the bottom frame body and the arc-shaped supporting rods. When the arc-shaped supporting rods are connected with the first connecting piece and the bottom frame body is connected with the second connecting piece, the bottom frame body and the arc-shaped supporting rods are unfolded relative to the front frame body, the arc-shaped supporting rods are arranged in parallel, and the front frame body, the bottom frame body, the supporting rods and the flexible connecting piece enclose a containing space. When the arc-shaped supporting rods are separated from the first connecting piece and the bottom frame body is separated from the second connecting piece, the bottom frame body and the arc-shaped supporting rods are folded relative to the front frame body, and the bottom frame body and the arc-shaped supporting rods are close to the front frame body.

2. The foldable sling chair of claim 1, wherein, The first connecting piece comprises a first mounting base, one end of the first mounting base is fixedly connected with the front frame body, the other end of the first mounting base extends towards the arc-shaped supporting rods, a cylindrical cavity with one end open is arranged in the first mounting base, the inner diameter of the cylindrical cavity is matched with the pipe diameter of the end of the arc-shaped supporting rod, and the end of the arc-shaped supporting rod is detachably inserted into the cylindrical cavity to be connected with the first mounting base.

3. The foldable sling chair of claim 2, wherein, The axis of the first mounting base is arranged to be inclined upwards relative to the horizontal plane, the first mounting base forms a first included angle with the front frame body, and the range of the first included angle is 40-70 degrees.

4. The foldable sling chair of claim 2, wherein, The depth of the cylindrical cavity is 25-40 mm.

5. A foldable sling chair according to any one of claims 2-4, c h a r a c t e r i s e d in that The second connecting piece comprises a second mounting base and a limiting piece, one end of the second mounting base is fixedly connected with the bottom end of the front frame body, the inside of the second mounting base is hollow to form a connecting cavity, the end of the bottom frame body is suitable for being detachably inserted into the connecting cavity to be connected with the second mounting base, and the limiting piece is suitable for being simultaneously arranged on the end of the second mounting base and the bottom frame body to limit the end of the bottom frame body from being separated from the second mounting base.

6. The foldable sling chair of claim 5, wherein, The second mounting base forms a second included angle with the front frame body, and the range of the second included angle is 60-85 degrees.

7. The foldable sling chair of claim 5, wherein, The limiting piece can be implemented as a limiting bolt or a limiting pin.

8. The foldable sling chair of claim 5, wherein, The second connecting piece further comprises an elastic locking piece, one end of the elastic locking piece is connected with the end of the limiting piece, the other end of the elastic locking piece abuts against the second mounting base, the elastic locking piece is suitable for applying an acting force to the limiting piece in the direction opposite to the separation direction of the limiting piece, so that the end of the bottom frame body is limited from being separated from the second mounting base when the external force is less than a preset value.

9. The foldable sling chair of claim 5, wherein, The second mounting seat is implemented as a U-shaped steel, mounting holes are formed on two side walls of the U-shaped steel, the limiting member can pass through the mounting holes to be simultaneously arranged on the U-shaped steel and the end portion of the bottom frame body, the opening of the U-shaped steel is arranged downward, and when the end portion of the bottom frame body is connected to the U-shaped steel, the U-shaped steel can limit the bottom frame body from moving towards the front frame body.

10. The foldable sling chair of claim 9, wherein, The bottom frame body comprises a bottom supporting rod and a seat part connected to the bottom supporting rod, the seat part comprises a first rod body and a second rod body, the first rod body is in a straight rod structure, the second rod body is in an arc-shaped rod structure, two ends of the first rod body are respectively connected to two end portions of the bottom supporting rod, two ends of the second rod body are fixedly connected to the first rod body, and a flexible pull rope is connected between the second rod body and the bottom supporting rod, and a supporting net for supporting is arranged between the first rod body and the second rod body.