Portable folding chair

Abstract

The utility model discloses a portable folding chair, which relates to the technical field of folding chairs and comprises a fixed seat, a backrest is mounted at one end of the top surface of the fixed seat, a rotating drum is fixedly mounted on the bottom surface of the backrest, a rotating shaft is sleeved in the rotating drum, and armrests are symmetrically mounted on one side of the top surface of the fixed seat, which is positioned on the backrest. The backrest, the two armrests and the four supporting legs are rotated to the two sides of the fixing base respectively to be folded and stored, the size of the folded folding chair is reduced, and the problems that an existing folding chair is still large in size, inconvenient to carry and large in occupied space after being folded, and the existing requirements of people cannot be met are solved. According to the folding chair, the two armrests and the backrest are fixed after being unfolded under the cooperation of the two positioning rods and the two positioning columns, the folding chair is used in cooperation with the fixing seat, the stability of the folding chair after being unfolded is improved, and the problems that an existing folding chair is low in safety and poor in durability when being used by a user only through a supporting cloth cover are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of folding chairs, in particular to a portable folding chair. Background Art

[0002] The most basic function of a folding chair is to provide a comfortable place to rest, especially when traveling outdoors, camping, picnicking, and relaxing indoors. Folding chairs provide a comfortable sitting and lying platform where people can relax and enjoy nature and the environment.

[0003] However, most of the existing folding chairs are composed of a folding bracket and a supporting cloth. The folding bracket is simply folded and the folded volume is still large. Especially when placed in a car or taken to an outdoor camping or picnic, it is still inconvenient to carry and the space occupied is still large, which cannot meet the needs of the current people. In addition, when the folding chair is provided to users only by the supporting cloth, the safety is low, and it is easy to cause safety hazards when encountering some users with large volumes, and the durability is poor. Utility Model Content

[0004] In order to solve the problem that most of the existing folding chairs are composed of a folding bracket and a supporting cloth surface, the folding bracket is simply folded, the volume after folding is still large, it is inconvenient to carry, and the durability is poor when it is provided to users only by the supporting cloth surface; the utility model aims to provide a portable folding chair.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a portable folding chair, comprising a fixed seat, a backrest is installed at one end of the top surface of the fixed seat, a rotating drum is fixedly installed on the bottom surface of the backrest, a rotating shaft is sleeved in the rotating drum, the backrest rotates on the top surface of the fixed seat through the rotating drum and the rotating shaft, an armrest is symmetrically installed on the top surface of the fixed seat located on one side of the backrest, a first rotating sleeve is fixedly installed at the four corners of the bottom surface of the fixed seat, a first rotating member is rotatably installed in the first rotating sleeve, the number of the first rotating sleeve and the first rotating member are both four, a supporting leg is fixedly installed on one end of the four first rotating members, the number of the supporting legs is four, a first limiting block is fixedly installed on one side of the four first rotating sleeves, and the first limiting block cooperates with the first rotating member;

[0006] There are two armrests, and fixing rods are symmetrically installed on the bottom surfaces of the two armrests. A second rotating member is fixedly installed on the bottom surface of the fixing rod. Second rotating sleeves are symmetrically installed on both sides of the top surface of the fixed seat. The second rotating member is rotatably installed in the second rotating sleeve. A second limit block is fixedly installed on one side of the second rotating sleeve, and the second limit block cooperates with the second rotating member and the fixing rod.

[0007] Preferably, a groove is provided at one end portion of each of the two armrests, a rotating buckle is rotatably installed on one side of the groove, a positioning rod is fixedly sleeved on one end of the surface of the rotating buckle, a slot is provided on one side of the positioning rod, and positioning columns are fixedly installed on both sides of the backrest, the slot is clamped on the surface of the positioning column through the positioning rod, and the positioning column and the positioning rod cooperate with each other.

[0008] Preferably, a limiting ring is fixedly installed at one end of the two positioning columns, and the limiting ring cooperates with the positioning rod. Positioning buckles are fixedly installed at both ends of the rotating shaft. The number of the positioning buckles is two, and the two positioning buckles are respectively fixedly installed at both ends of one side of the top surface of the fixed seat.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. In the utility model, after the folding chair is used, the backrest, two armrests and four supporting legs are rotated to the two sides of the fixed seat respectively for folding and storage, thereby reducing the volume of the folding chair after folding, solving the problem that the existing folding chair is still very large in volume after folding, which is inconvenient to carry, occupies a large space and cannot meet the needs of existing people;

[0011] 2. In the utility model, with the cooperation of two positioning rods and two positioning columns, the two armrests and the backrest are fixed after they are unfolded, and are used in conjunction with the fixing seat to increase the stability of the folding chair after it is unfolded, thereby solving the problem that the existing folding chair is only provided to users through the supporting cloth surface, which has low safety, is prone to safety hazards when encountering some large users, and has poor durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the storage structure of the support legs on the bottom surface of the fixed seat of the utility model.

[0015] Figure 3 This is a schematic diagram of the surface structure of the handrail of the utility model.

[0016] Figure 4 It is a schematic diagram of the surface structure of the backrest of the utility model.

[0017] In the figure: 1. fixed seat; 11. first rotating sleeve; 111. first rotating member; 112. first limiting block; 12. second rotating sleeve; 121. second limiting block; 2. backrest; 21. rotating drum; 211. rotating shaft; 212. positioning buckle; 22. positioning column; 221. limiting ring; 3. armrest; 31. fixed rod; 311. second rotating member; 32. rotating buckle; 33. positioning rod; 331. slot; 34. slot body; 4. supporting leg; 41. supporting seat; 5. seat cushion; 6. back cushion. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example: Figure 1-4 As shown, the utility model provides a portable folding chair, including a fixed seat 1, a backrest 2 is installed at one end of the top surface of the fixed seat 1, a rotating cylinder 21 is fixedly installed on the bottom surface of the backrest 2, a rotating shaft 211 is sleeved in the rotating cylinder 21, the backrest 2 rotates on the top surface of the fixed seat 1 through the rotating cylinder 21 and the rotating shaft 211, an armrest 3 is symmetrically installed on the top surface of the fixed seat 1 located on one side of the backrest 2, a first rotating sleeve 11 is fixedly installed at the four corners of the bottom surface of the fixed seat 1, a first rotating member 111 is rotatably installed in the first rotating sleeve 11, the number of the first rotating sleeve 11 and the first rotating member 111 are both four, and one end of the four first rotating members 111 are fixedly installed with a support The support legs 4 are four in number, and a first limit block 112 is fixedly installed on one side of each of the four first rotating sleeves 11, and the first limit block 112 cooperates with the first rotating member 111. The armrests 3 are two in number, and a fixing rod 31 is symmetrically installed on the bottom surface of each of the two armrests 3, and a second rotating member 311 is fixedly installed on the bottom surface of the fixing rod 31. The second rotating sleeve 12 is symmetrically installed on both sides of the top surface of the fixing seat 1, and the second rotating member 311 is rotatably installed in the second rotating sleeve 12, and a second limit block 121 is fixedly installed on one side of the second rotating sleeve 12, and the second limit block 121 cooperates with the second rotating member 311 and the fixing rod 31;

[0020] With the cooperation of the four first rotating sleeves 11, the four first rotating members 111 and the four first limiting blocks 112, the four supporting legs 4 are unfolded. After the supporting legs 4 are unfolded, with the cooperation of the rotating drum 21 and the rotating shaft 211, the backrest 2 is unfolded. Finally, with the cooperation of the two second rotating sleeves 12, the two second rotating members 311 and the two second limiting blocks 121 corresponding to each armrest 3, the two armrests 3 are opened through the two fixing rods 31 corresponding to each armrest 3. With the cooperation of the two positioning rods 33 and the two positioning columns 22, the fixing work of the two armrests 3 and the backrest 2 after unfolding is completed. After all are unfolded, they are available for use by the user. After use, the backrest 2, the two armrests 3 and the four supporting legs 4 can be folded and retracted according to the above operation.

[0021] A groove body 34 is provided at one end of each armrest 3, a rotating buckle 32 is rotatably installed on one side of the groove body 34, a positioning rod 33 is fixedly sleeved on one end of the surface of the rotating buckle 32, a clamping groove 331 is provided on one side of the positioning rod 33, and a positioning column 22 is fixedly installed on both sides of the backrest 2, the clamping groove 331 is clamped on the surface of the positioning column 22 through the positioning rod 33, and the positioning column 22 and the positioning rod 33 cooperate with each other. With the cooperation of the rotating buckles 32 respectively installed on one side of the two groove bodies 34, the clamping grooves 331 of the two positioning rods 33 are controlled to be clamped on the surfaces of the positioning columns 22 respectively installed on both sides of the backrest 2, thereby completing the fixing work of the two armrests 3 and the backrest 2 after they are unfolded.

[0022] A limiting ring 221 is fixedly installed at one end of each positioning column 22. The limiting ring 221 cooperates with the positioning rod 33 to increase the stability of the positioning rod 33 after limiting, thereby preventing the positioning rod 33 from falling off the positioning column 22.

[0023] Both ends of the rotating shaft 211 are fixedly installed with positioning buckles 212. There are two positioning buckles 212, which are respectively fixedly installed at both ends of one side of the top surface of the fixing seat 1. The installation and fixation of the rotating shaft 211 are completed by the two positioning buckles 212, and the rotation of the backrest 2 is controlled by the rotating drum 21.

[0024] The bottom ends of the four support legs 4 are fixedly mounted with support seats 41, which cooperate with the support legs 4. The support work of the chair is completed by the support seats 41 respectively mounted at the bottom ends of the four support legs 4, thereby increasing the stability of the chair after it is unfolded.

[0025] A cushion 6 is fixedly installed in the backrest 2, and the cushion 6 cooperates with the backrest 2. The cushion 6 installed in the backrest 2 increases the comfort of the user's back. A seat cushion 5 is fixedly installed in the fixed seat 1, and the seat cushion 5 cooperates with the fixed seat 1. The seat cushion 5 installed in the fixed seat 1 increases the comfort of the user when using the chair.

[0026] Working principle: With the cooperation of the four first rotating sleeves 11, the four first rotating members 111 and the four first limiting blocks 112, the four supporting legs 4 are unfolded. After the supporting legs 4 are unfolded, with the cooperation of the rotating drum 21 and the rotating shaft 211, the backrest 2 is unfolded. Finally, with the cooperation of the two second rotating sleeves 12, the two second rotating members 311 and the two second limiting blocks 121 corresponding to each armrest 3, the two armrests 3 are opened through the two fixing rods 31 corresponding to each armrest 3. With the cooperation of the rotating buckles 32 respectively installed on one side of the two slots 34, the card slots 331 of the two positioning rods 33 are controlled to be respectively clamped on the surfaces of the positioning columns 22 respectively installed on both sides of the backrest 2, so as to complete the unfolding and fixing work of the two armrests 3 and the backrest 2.

[0027] After being fully unfolded, the folding chair can be used by the user. After use, the backrest 2, the two armrests 3 and the four supporting legs 4 can be folded and stored according to the above operations.

[0028] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A portable folding chair, comprising a fixed seat (1), characterized in that: A backrest (2) is mounted on one end of the top surface of the fixed seat (1), a rotating drum (21) is fixedly mounted on the bottom surface of the backrest (2), a rotating shaft (211) is sleeved in the rotating drum (21), the backrest (2) is rotated on the top surface of the fixed seat (1) through the rotating drum (21) and the rotating shaft (211), an armrest (3) is symmetrically mounted on the top surface of the fixed seat (1) on one side of the backrest (2), a first rotating sleeve (11) is fixedly mounted on the four corners of the bottom surface of the fixed seat (1), a first rotating member (111) is rotatably mounted in the first rotating sleeve (11), the number of the first rotating sleeve (11) and the number of the first rotating member (111) are both four, a supporting leg (4) is fixedly mounted on one end of the four first rotating members (111), the number of the supporting legs (4) is four, a first limiting block (112) is fixedly mounted on one side of the four first rotating sleeves (11), the first limiting block (112) and the first rotating member (111) cooperate with each other; The number of the armrests (3) is two, and the bottom surfaces of the two armrests (3) are symmetrically mounted with fixing rods (31), and the bottom surfaces of the fixing rods (31) are fixedly mounted with second rotating members (311), and the top surfaces of the fixing base (1) are symmetrically mounted with second rotating sleeves (12) on both sides, and the second rotating member (311) is rotatably mounted in the second rotating sleeve (12), and a second limiting block (121) is fixedly mounted on one side of the second rotating sleeve (12), and the second limiting block (121) cooperates with the second rotating member (311) and the fixing rods (31).

2. A portable folding chair as claimed in claim 1, characterized in that: A groove (34) is provided at one end of each of the two armrests (3), a rotating buckle (32) is rotatably mounted on one side of the groove (34), a positioning rod (33) is fixedly sleeved on one end of the surface of the rotating buckle (32), a clamping groove (331) is provided on one side of the positioning rod (33), and positioning columns (22) are fixedly mounted on both sides of the backrest (2), the clamping groove (331) is clamped on the surface of the positioning column (22) through the positioning rod (33), and the positioning column (22) and the positioning rod (33) cooperate with each other.

3. A portable folding chair as claimed in claim 2, characterized in that: A limiting ring (221) is fixedly mounted on one end of each of the two positioning columns (22), and the limiting ring (221) cooperates with the positioning rod (33).

4. A portable folding chair as claimed in claim 1, characterized in that: Both ends of the rotating shaft (211) are fixedly mounted with positioning buckles (212), the number of the positioning buckles (212) being two, and the two positioning buckles (212) are respectively fixedly mounted at both ends of one side of the top surface of the fixing seat (1).

5. A portable folding chair as claimed in claim 1, characterized in that: A support seat (41) is fixedly mounted at the bottom end of each of the four support legs (4), and the support seat (41) cooperates with the support leg (4).

6. A portable folding chair as claimed in claim 1, characterized in that: A cushion (6) is fixedly installed inside the backrest (2), and the cushion (6) and the backrest (2) cooperate with each other.

7. A portable folding chair as claimed in claim 1, characterized in that: A seat cushion (5) is fixedly mounted inside the fixing seat (1), and the seat cushion (5) and the fixing seat (1) cooperate with each other.

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