Folding chair structure with reinforced support

Abstract

The utility model discloses a folding chair structure with reinforced support, which relates to the technical field of folding chairs, and comprises a folding frame, two rotating buckles are fixedly arranged in two sides of the folding frame, the number of the rotating buckles is two, the surfaces of the two rotating buckles are sleeved with an auxiliary frame, and the auxiliary frame is fixedly connected with the folding frame. When the folding chair is unfolded for use, the supporting frame is controlled to rotate to be perpendicular to the seat plate, so that the bottom surface of the supporting frame is attached to the ground, and under the cooperation of the supporting frame in the supporting assembly, the supporting strength and stability of the unfolded folding chair are improved, and the bearing capacity of the folding chair is improved; when the folding chair is completely unfolded, the connecting belts are in a straight straightening state, the stability of the unfolded folding chair is improved under the cooperation of the two connecting belts, and the back cushion is made of a flexible material, is convenient to disassemble and clean, and improves the comfort when the user leans on the back cushion.

Description

Technical Field

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

[0002] Folding chairs are lightweight, stackable seats that are easy to move and save space. They were originally used for military purposes and are often used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, homes and other places.

[0003] However, when the existing folding chair is unfolded for use, it is supported only by two unfolded support frames, and the support strength and stability are poor. When a large user uses it, the folding chair is easily damaged. In addition, the backrests of the existing folding chairs are mostly made of Oxford cloth, which affects the comfort of the user when leaning on it. Moreover, the backrests are mostly fixedly mounted on the support frames of the folding chair, which is inconvenient to disassemble and clean. Utility Model Content

[0004] In order to solve the problem that the existing folding chair relies only on two unfolded support frames for support when unfolded, has poor support strength and stability, and is easily damaged; the purpose of the utility model is to provide a folding chair structure with enhanced support.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a folding chair structure with enhanced support, comprising a folding frame, wherein rotating buckles are fixedly installed on both sides of the folding frame, the number of the rotating buckles is two, and auxiliary frames are sleeved on the surfaces of the two rotating buckles, a rotating rod is fixedly installed on the folding frame below the two rotating buckles, a seat plate is rotatably sleeved on the surface of the rotating rod, positioning slides are fixedly installed on one end of both sides of the seat plate, and slide grooves are opened on both sides of the auxiliary frame, the number of the positioning slides and the slide grooves are both two, and the positioning slides are slidably installed in the slide grooves;

[0006] A support assembly is fixedly installed on one side of the bottom surface of the seat plate, and the support assembly includes two fixing parts. A rotating part is rotatably installed on one side of the two fixing parts. There are two rotating parts. A support frame is fixedly installed on the bottom surface of the two rotating parts. A positioning seat is fixedly installed on one side of the two fixing parts on the bottom surface of the seat plate, and the positioning seat cooperates with the support frame.

[0007] Preferably, a backrest frame is detachably mounted above the auxiliary frame, a damping mounting groove is provided on one side of the backrest frame, a damping card is provided in the damping mounting groove with a cushion, a positioning frame is fixedly mounted on one side of the damping mounting groove in the backrest frame, and the positioning frame cooperates with the cushion.

[0008] Preferably, the auxiliary frame and the folding frame are symmetrically equipped with connecting parts on one side, and a buckle is fixedly installed on one side of the connecting part. The buckle surfaces on one side of the two connecting parts on the same side of the auxiliary frame and the folding frame are provided with connecting belts. There are two connecting belts, and the auxiliary frame cooperates with the folding frame through the two connecting belts.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. In the present invention, when the folding chair is unfolded and used, the support frame is controlled to rotate to be perpendicular to the seat plate so that the bottom surface of the support frame is in contact with the ground. With the cooperation of the support frame in the support assembly, the support strength and stability of the folding chair after unfolding are increased, the load-bearing capacity is improved, and damage to the chair caused by a large user is prevented. When the folding chair is fully unfolded, the connecting belt is in a straight and straight state. With the cooperation of the two connecting belts, the stability of the folding chair after unfolding is increased.

[0011] 2. In the present invention, the cushion is installed and fixed by the cooperation of the damping installation groove and the positioning frame opened on one side of the backrest frame. The cushion is made of flexible material, which is convenient for disassembly and cleaning, and improves the comfort of the user when leaning on it. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any 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 structure of the folding frame and auxiliary frame with connecting belts of the utility model.

[0015] Figure 3 This is a schematic diagram of the structure of the folding frame, backrest frame and cushion of the utility model.

[0016] Figure 4 This is a schematic diagram of the structure of the seat plate and support assembly of the utility model.

[0017] Figure 5 This is a schematic diagram of the backrest frame structure of the utility model.

[0018] In the figure: 1. Folding frame; 11. Rotating buckle; 111. Limiting buckle; 12. Rotating rod; 13. First anti-slip foot cover; 2. Auxiliary frame; 21. Slide groove; 22. Second anti-slip foot cover; 3. Seat plate; 31. Positioning slide; 32. Breathable groove; 4. Support assembly; 41. Fixing part; 42. Rotating part; 43. Support frame; 44. Positioning seat; 5. Backrest frame; 51. Damping mounting groove; 52. Positioning frame; 53. Handle; 54. Card slot; 6. Cushion; 7. Connecting part; 71. Card buckle; 72. Connecting belt. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example: Figure 1-5 As shown, the utility model provides a folding chair structure with enhanced support, including a folding frame 1, a rotating buckle 11 is fixedly installed on both sides of the folding frame 1, the number of the rotating buckles 11 is two, and the surfaces of the two rotating buckles 11 are provided with an auxiliary frame 2, a rotating rod 12 is fixedly installed below the two rotating buckles 11 in the folding frame 1, and a seat plate 3 is rotatably provided on the surface of the rotating rod 12, and a positioning slide 31 is fixedly installed on one end of both sides of the seat plate 3, and a slide groove 21 is opened on both sides of the auxiliary frame 2, and the positioning slide 31 and the slide groove There are two of them, and the positioning sliding member 31 is slidably installed in the slide groove 21. A support assembly 4 is fixedly installed on one side of the bottom surface of the seat plate 3. The support assembly 4 includes a fixing member 41. There are two fixing members 41. One side of each of the two fixing members 41 is rotatably installed with a rotating member 42. There are two rotating members 42. A support frame 43 is fixedly installed on the bottom surface of the two rotating members 42. A positioning seat 44 is fixedly installed on the bottom surface of the seat plate 3 on one side of the two fixing members 41. The positioning seat 44 cooperates with the support frame 43.

[0021] The connection between the auxiliary frame 2 and the folding frame 1 is completed by two rotating buckles 11. When the positioning sliding members 31 installed on both sides of the seat plate 3 are in contact with the top surfaces of the corresponding slide grooves 21, the folding chair is in a fully unfolded state, and the seat plate 3 is in a parallel state and can be used by the user. When the folding chair is unfolded and used, the two fixing members 41 and the corresponding rotating members 42 in the support assembly 4 are coordinated to control the support frame 43 to rotate. With the cooperation of the positioning seat 44, the support frame 43 is controlled to rotate to be perpendicular to the seat plate 3, so that the bottom surface of the support frame 43 is in contact with the ground, completing the unfolding of the support frame 43. With the cooperation of the support frame 43 in the support assembly 4, the supporting strength and stability of the folding chair after unfolding are increased, the load-bearing capacity is improved, and damage is prevented when encountering users with larger bodies.

[0022] A backrest frame 5 is detachably installed above the auxiliary frame 2. A damping installation groove 51 is provided on one side of the backrest frame 5. A damping card is provided in the damping installation groove 51 with a cushion 6. A positioning frame 52 is fixedly installed on one side of the damping installation groove 51 in the backrest frame 5. The positioning frame 52 cooperates with the cushion 6. With the cooperation of the damping installation groove 51 and the positioning frame 52 provided on one side of the backrest frame 5, the cushion 6 is installed and fixed. The cushion 6 is made of flexible material, which is convenient for disassembly and cleaning while improving the comfort of the user when leaning on it.

[0023] The auxiliary frame 2 and the folding frame 1 are symmetrically installed with connecting parts 7 on one side, and a buckle 71 is fixedly installed on one side of the connecting part 7. The surface of the buckle 71 on one side of the two connecting parts 7 on the same side of the auxiliary frame 2 and the folding frame 1 is provided with a connecting belt 72. There are two connecting belts 72. The auxiliary frame 2 cooperates with the folding frame 1 through the two connecting belts 72. The installation and fixation of a corresponding connecting belt 72 are completed through the buckle 71 installed on one side of the two connecting parts 7 on the same side of the auxiliary frame 2 and the folding frame 1. When the folding chair is fully unfolded, the connecting belt 72 is in a straight and stretched state. With the cooperation of the two connecting belts 72, the stability of the folding chair after unfolding is increased.

[0024] A limit buckle 111 is fixedly installed on one side of the two rotating buckles 11. The limit buckle 111 cooperates with the rotating buckle 11. The limit buckle 111 installed on one side of each rotating buckle 11 completes the limitation of the auxiliary frame 2 after it is sleeved on the surface of the two rotating buckles 11.

[0025] Both sides of the bottom surface of the folding frame 1 are provided with first anti-slip foot covers 13, and both sides of the bottom surface of the auxiliary frame 2 are provided with second anti-slip foot covers 22. The number of the first anti-slip foot covers 13 and the second anti-slip foot covers 22 is two, and the first anti-slip foot covers 13 and the second anti-slip foot covers 22 cooperate with each other. The first anti-slip foot covers 13 and the second anti-slip foot covers 22 respectively installed on both sides of the bottom surfaces of the folding frame 1 and the auxiliary frame 2 improve the stability of the folding chair after it is unfolded.

[0026] Both sides of the bottom surface of the backrest frame 5 are provided with card slots 54, which are slidably sleeved on the surface of the folding frame 1. The card slots 54 are used to complete the installation and positioning of the backrest frame 5 above the folding frame 1. A handle 53 is fixedly installed in the middle of the top surface of the backrest frame 5, and the handle 53 cooperates with the backrest frame 5. The top surface of the seat plate 3 is provided with evenly distributed ventilation grooves 32, which cooperate with the seat plate 3. The handle 53 is used to facilitate the control of the disassembly and assembly of the backrest frame 5, and the evenly distributed ventilation grooves 32 provided on the seat plate 3 increase the comfort of the user sitting on the folding chair.

[0027] Working principle: The auxiliary frame 2 is connected to the folding frame 1 through two rotating buckles 11. When the positioning slides 31 installed on both sides of the seat plate 3 are in contact with the top surfaces of the corresponding slide grooves 21, the folding chair is in a fully unfolded state, and the seat plate 3 is parallel to each other and can be used by the user. When the folding chair is unfolded and used, the two fixing members 41 and the corresponding rotating members 42 in the support assembly 4 are coordinated to control the support frame 43 to rotate. With the cooperation of the positioning seat 44, the support frame 43 is controlled to rotate to be perpendicular to the seat plate 3, so that the bottom surface of the support frame 43 is in contact with the ground, completing the unfolding of the support frame 43. With the cooperation of the support frame 43 in the support assembly 4, the supporting strength and stability of the folding chair after unfolding are increased, the load-bearing capacity is improved, and damage is prevented when encountering a user with a large body.

[0028] When the folding chair is fully unfolded, the connecting belt 72 is in a straight and stretched state. With the cooperation of the two connecting belts 72, the stability of the folding chair after unfolding is increased. With the cooperation of the damping installation groove 51 and the positioning frame 52 opened on one side of the backrest frame 5, the installation and fixation of the cushion 6 are completed, which is convenient for disassembly and cleaning and improves the comfort of the user when leaning on it.

[0029] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A folding chair structure with enhanced support, comprising a folding frame (1), characterized in that: A rotating buckle (11) is fixedly installed on both sides of the folding frame (1), and the number of the rotating buckles (11) is two. The surfaces of the two rotating buckles (11) are provided with an auxiliary frame (2). A rotating rod (12) is fixedly installed below the two rotating buckles (11) in the folding frame (1), and a seat plate (3) is rotatably provided on the surface of the rotating rod (12). A positioning slide (31) is fixedly installed on one end of both sides of the seat plate (3). A slide groove (21) is provided on both sides of the auxiliary frame (2). The number of the positioning slide (31) and the slide groove (21) are both two. The positioning slide (31) is slidably installed in the slide groove (21); A support assembly (4) is fixedly mounted on one side of the bottom surface of the seat plate (3), and the support assembly (4) includes a fixing member (41). The number of the fixing members (41) is two. A rotating member (42) is rotatably mounted on one side of the two fixing members (41). The number of the rotating members (42) is two. A support frame (43) is fixedly mounted on the bottom surface of the two rotating members (42). A positioning seat (44) is fixedly mounted on one side of the two fixing members (41) on the bottom surface of the seat plate (3), and the positioning seat (44) cooperates with the support frame (43).

2. A folding chair structure with enhanced support according to claim 1, characterized in that: A backrest frame (5) is detachably mounted above the auxiliary frame (2), a damping mounting groove (51) is provided on one side of the backrest frame (5), a damping card is provided in the damping mounting groove (51) with a back cushion (6), a positioning frame (52) is fixedly mounted on one side of the damping mounting groove (51) in the backrest frame (5), and the positioning frame (52) cooperates with the back cushion (6).

3. A folding chair structure with enhanced support according to claim 1, characterized in that: Connecting members (7) are symmetrically mounted on one side of the auxiliary frame (2) and the folding frame (1), and a buckle (71) is fixedly mounted on one side of the connecting member (7). Connecting belts (72) are sleeved on the surfaces of the buckles (71) on one side of the two connecting members (7) on the same side of the auxiliary frame (2) and the folding frame (1). The number of the connecting belts (72) is two, and the auxiliary frame (2) cooperates with the folding frame (1) via the two connecting belts (72).

4. A folding chair structure with enhanced support according to claim 1, characterized in that: A limiting buckle (111) is fixedly mounted on one side of each of the two rotating buckles (11), and the limiting buckle (111) and the rotating buckle (11) cooperate with each other.

5. The folding chair structure with enhanced support according to claim 1, characterized in that: Both sides of the bottom surface of the folding frame (1) are covered with first anti-slip foot covers (13), and both sides of the bottom surface of the auxiliary frame (2) are covered with second anti-slip foot covers (22). The number of the first anti-slip foot covers (13) and the second anti-slip foot covers (22) are both two, and the first anti-slip foot covers (13) and the second anti-slip foot covers (22) cooperate with each other.

6. A folding chair structure with enhanced support as claimed in claim 2, characterized in that: Both sides of the bottom surface of the backrest frame (5) are provided with card slots (54), and the card slots (54) are slidably sleeved on the surface of the folding frame (1).

7. The folding chair structure with enhanced support according to claim 2, characterized in that: A handle (53) is fixedly mounted in the middle of the top surface of the backrest frame (5), and the handle (53) cooperates with the backrest frame (5).

8. The folding chair structure with enhanced support according to claim 1, characterized in that: The top surface of the seat plate (3) is provided with evenly distributed ventilation grooves (32), and the ventilation grooves (32) and the seat plate (3) cooperate with each other.

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