Folding chair
By designing cross-set front and rear legs and multi-directional flipped chair back and seat, the folding degree and support stability of the folding chair are improved, and the problem of insufficient folding degree of existing folding chairs is solved.
Patent Information
- Application Number
- CN202421543490.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing folding chairs have a low degree of folding, making it difficult to further improve for easy storage and use.
A folding chair is designed, which includes front legs, rear legs, seat seat and back. By crossing the front and rear legs, and setting limit ports and curved slides on the back and seat, multi-directional flip and locking of the back and seat, improving the folding degree.
It achieves a high folding degree of the chair, which is convenient for storage and use, and improves the support stability of the chair back and seat.
Smart Images
Figure CN222675776U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of seats, and in particular to a folding chair. Background Art
[0002] At present, with the continuous improvement of people's quality of life, in their spare time after work, they often need to go camping, and folding chairs are essential equipment for camping.
[0003] At present, folding chairs can usually only fold their chair legs, and this folding method has a relatively low folding degree. Therefore, further improvements can be made. Summary of the invention
[0004] In order to further improve the foldability of the folding chair and to further facilitate storage and use, the present application provides a folding chair.
[0005] The folding chair provided in this application adopts the following technical solution:
[0006] A folding chair comprises front legs, rear legs, a seat and a backrest; the front legs and the rear legs are cross-arranged so as to be opened or closed; the backrest is mounted on the top of the front legs and connected to the left and right sides of the front legs, and the backrest can be flipped upward to be opened and locked or flipped downward to be folded relative to the front legs; the seat is mounted on the top of the rear legs and connected to the left and right sides of the rear legs, and the seat can be flipped upward to be opened and locked or flipped downward to be folded relative to the rear legs.
[0007] By adopting the above technical solution, when the chair needs to be folded up, the seat and the backrest can be folded up, and the front legs and the rear legs can be folded up at the same time. The folding degree is relatively high, which is convenient for storage and use.
[0008] Optionally, first limit openings are formed on both sides of the top end of the front support leg for plugging in the two ends of the chair back; the back side of the first limit opening is open, and arc-shaped slide grooves are formed on both sides of the first limit opening, and the arc-shaped slide grooves extend inward from top to bottom, and one end of the chair back inserted in the first limit opening is slidably connected to the arc-shaped slide groove through a sliding member, and is a rotatable connection, and when the chair back is inserted along the arc-shaped slide groove to the bottom of the arc-shaped slide groove, the end of the chair back inserted in the first limit opening is tightly locked against the inner wall of the first limit opening.
[0009] By adopting the above technical solution, when the chair back needs to be opened, the chair back is flipped upward to open it, and the arc-shaped slide groove in the first limit opening is inserted inward to the bottom of the arc-shaped slide groove, so that the end of the chair back inserted in the first limit opening is tightly locked against the inner wall of the first limit opening to lock the chair back in the open state. Similarly, when the chair back needs to be folded, the chair back is pulled outward to be pulled out along the arc-shaped slide groove in the first limit opening to unlock it, and then it can be flipped downward to be folded.
[0010] Optionally, a rear support rod is installed between the chair back and the rear legs, the rear support rod is arranged on the left and right sides, and the bottom end of the rear support rod is rotatably connected to the rear legs, and the top end of the rear support rod is rotatably connected to the chair back.
[0011] By adopting the above technical solution, after the chair back is opened, the rear support rod supports the chair back to further improve the support stability of the chair back.
[0012] Optionally, the seat is rotatably mounted on the left and right sides of the top of the rear legs so as to be flipped upward to open or flipped downward to fold; a front bracket is installed between the seat and the front support, and during the process of closing the front legs and the rear legs, the front legs drive the seat to flip downward and fold through the front bracket; during the process of opening the front legs and the rear legs, the front legs drive the seat to flip upward and open through the front bracket; the rear legs are formed with a second limit opening at the position where they are connected to the seat, and after the seat is opened, the connecting end of the seat is inserted into the second limit opening and is tightly locked with the inner wall of the second limit opening.
[0013] By adopting the above technical solution, when the front legs and the rear legs are closed, the front legs drive the seat to flip and fold downward through the front bracket. Similarly, when the front legs and the rear legs are opened, the front legs drive the seat to flip and open upward through the front bracket, and after the seat is opened, it is locked by the second limit opening.
[0014] Optionally, the front bracket includes a forefoot support and a front support rod; the forefoot support is horizontally arranged, and the left and right sides of the bottom of the front support legs are respectively rotatably connected to the left and right sides of the rear end of the forefoot support, the front support rod is arranged on the left and right sides, and the bottom of the front support rod is rotatably connected to the front end of the forefoot support, and the top of the front support rod is rotatably connected to the front end of the seat.
[0015] By adopting the above technical solution, when the front legs and the rear legs are closed, the front legs drive the seat to flip and fold downwards through the supporting forelegs and the front supporting rods in the front bracket. Similarly, when the front legs and the rear legs are opened, the front legs drive the seat to flip and open upwards through the supporting forelegs and the front supporting rods in the front bracket, and after the seat is opened, the connecting end of the seat is inserted into the second limiting opening and is tightly locked against the inner wall of the second limiting opening to lock the seat in the opened state.
[0016] Optionally, the bottom of the rear leg is inwardly buckled downward.
[0017] By adopting the above technical solution, in actual use, if the rear legs remain straight, it means that after opening, the support point extending backward is relatively far, so it needs to occupy a large placement space, which is not convenient for actual use scenarios. In the embodiment of the present application, the bottom of the rear legs is inwardly buckled downward, which can effectively shorten the support point extending backward in the open state, which also means that the required placement space is further improved, which is convenient for actual use.
[0018] Optionally, an inner support rod is installed inside the rear supporting leg, the inner support rod is horizontally arranged, and both ends of the inner support rod are fixedly connected to the left and right sides of the rear supporting leg respectively.
[0019] By adopting the above technical solution, an inner support rod is installed inside the rear leg to further support and reinforce the rear leg structure, so as to improve the support stability of the entire chair.
[0020] Optionally, it also includes a flexible support body, which is installed between the seat and the chair back, and one end of the flexible support body is fixedly connected to the seat, and the other end is fixedly connected to the chair back.
[0021] By adopting the technical solution and utilizing a flexible support body, the user can use the device in a reclining position.
[0022] In summary, the present application includes at least one of the following beneficial technical effects:
[0023] 1. When the chair needs to be folded, the seat and backrest can be folded and the front and rear legs can be folded together. The folding degree is relatively high, which is convenient for storage and use;
[0024] 2. When the chair back needs to be opened, flip it upward to open it, and insert it inward along the arc-shaped slide groove in the first limit opening to the bottom of the arc-shaped slide groove, so that the end of the chair back inserted in the first limit opening is tightly locked against the inner wall of the first limit opening to lock the chair back in the open state. Similarly, when the chair back needs to be folded, pull the chair back outward along the arc-shaped slide groove in the first limit opening to unlock it, and then flip it downward to fold it;
[0025] 3. When the front legs and the rear legs are closed, the front legs drive the seat to flip and fold downwards through the front support and the front support rod in the front bracket. Similarly, when the front legs and the rear legs are opened, the front legs drive the seat to flip and open upwards through the front support and the front support rod in the front bracket, and after the seat is opened, the connecting end of the seat is inserted into the second limiting opening and is tightly locked against the inner wall of the second limiting opening to lock the seat in the opened state. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the overall structure of a folding chair of the present application.
[0027] Figure 2 It is a schematic structural diagram of a folding chair of the present application after removing the flexible support body.
[0028] Figure 3 It is a structural schematic diagram of a folding chair in the folding process of the present application.
[0029] Description of reference numerals:
[0030] 1. Front support leg; 2. Rear support leg; 3. Chair back; 4. Chair seat; 5. Flexible support body; 6. First connecting sleeve; 61. First limiting opening; 62. Arc-shaped slide groove; 63. Sliding member; 64. Slot; 65. Block; 7. Rear support rod; 8. Front bracket; 81. Support forefoot; 82. Front support rod; 9. Second connecting sleeve; 91. Second limiting opening; 10. Inner support rod. DETAILED DESCRIPTION
[0031] The following is combined with Figure 1-3 This application is described in further detail.
[0032] The embodiment of the present application discloses a folding chair.
[0033] Reference Figure 1 A folding chair comprises a front leg 1, a rear leg 2, a backrest 3, a seat 4 and a flexible support body 5. The front leg 1 and the rear leg 2 are arranged crosswise to be opened or closed. The seat 4 is installed on the top of the rear leg 2 and is connected to the left and right sides of the rear leg 2, and the seat 4 can be flipped upward to be opened and locked or flipped downward to be folded relative to the rear leg 2. The backrest 3 is installed on the top of the front leg 1 and is connected to the left and right sides of the front leg 1, and the backrest 3 can be flipped upward to be opened and locked or flipped downward to be folded relative to the front leg 1. The flexible support body 5 is installed between the seat 4 and the backrest 3, and one end of the flexible support body 5 is fixedly mounted on the seat 4, and the other end is fixedly mounted on the backrest 3, so as to allow the user to use the chair in a reclining position.
[0034] Reference Figure 2Specifically, in this embodiment, the left and right sides of the top of the front leg 1 are formed with a first limiting opening 61 for the two ends of the chair back 3 to be inserted. The back side of the first limiting opening 61 is open, and the left and right sides of the first limiting opening 61 are formed with an arc-shaped slide 62, which extends inward from top to bottom, and the end of the arc-shaped slide 62 extends in a straight line segment, and the straight line segment extends in the same direction as the first limiting opening 61. Correspondingly, one end of the chair back 3 inserted in the first limiting opening 61 is slidably connected to the arc-shaped slide 62 through a sliding member 63, and is rotatably connected. In this embodiment, the rotatability of the chair back 3 is achieved by the rotatable connection between the sliding member 63 and the arc-shaped slide 62. In other embodiments, the rotatability of the chair back 3 can be achieved by the rotatable connection between the one end of the chair back 3 inserted in the first limiting opening 61 and the sliding member.
[0035] Reference Figure 2 and Figure 3 When the chair back 3 needs to be opened, the chair back 3 is flipped upward to open it, and the arc-shaped slide groove 62 in the first limiting opening 61 is inserted inward to the bottom of the arc-shaped slide groove 62, so that the end of the chair back 3 inserted in the first limiting opening 61 is tightly locked against the inner wall of the first limiting opening 61 to lock the open state of the chair back 3. Similarly, when the chair back 3 needs to be folded, the chair back 3 is pulled outward, so that it is pulled outward along the arc-shaped slide groove 62 in the first limiting opening 61 to achieve unlocking, and then it can be flipped downward to be folded.
[0036] Specifically, in this embodiment, the left and right sides of the top of the front leg 1 are sleeved with the first connecting sleeve 6, and the first connecting sleeve 6 is fixedly connected to the front leg 1. The first limiting opening 61 and the arc-shaped sliding groove 62 are both formed in the first connecting sleeve 6.
[0037] Reference Figure 2 In this embodiment, both sides of the first connecting sleeve 6 are further formed with a card slot 64, which is arranged on the same side as the arc-shaped slide slot 62 and is opened at the input end, and the card slot 64 is arranged in parallel with the straight section extending from the end of the arc-shaped slide slot 62. Correspondingly, the chair back 3 is provided with a card block 65 at the end connected to the front leg 1, and the card block 65 is arranged on the same side as the card slot 64, and after the sliding member 63 is inserted along the straight section at the end of the arc-shaped slide slot 62 along with the chair back 3, the card block 65 on the chair back 3 is inserted along the card slot 64 to further ensure the support stability of the chair back 3 after it is opened.
[0038] Reference Figure 2 In this embodiment, a rear support rod 7 is installed between the chair back 3 and the rear legs 2. The rear support rod 7 is arranged on the left and right sides, and the bottom end of the rear support rod 7 is rotatably connected to the rear legs 2, and the top end of the rear support rod 7 is rotatably connected to the chair back 3. After the chair back 3 is opened, the rear support rod 7 supports the chair back 3 to further improve the support stability of the chair back 3.
[0039] Reference Figure 2 and Figure 3 Specifically, in this embodiment, the seat 4 is rotatably mounted on the left and right sides of the top of the rear leg 2 to be flipped upward or folded downward. A front bracket 8 is installed between the seat 4 and the supporting forefoot 81. The front bracket 8 includes the supporting forefoot 81 and the front supporting rod 82. The supporting forefoot 81 is arranged horizontally. The left and right sides of the bottom of the front leg 1 are respectively rotatably connected to the left and right sides of the rear end of the supporting forefoot 81. The front supporting rod 82 is arranged on the left and right sides, and the bottom of the front supporting rod 82 is rotatably connected to the front end of the supporting forefoot 81, and the top of the front supporting rod 82 is rotatably connected to the front end of the seat 4. In the process of closing the front leg 1 and the rear leg 2, the front leg 1 drives the seat 4 to flip and fold downward through the supporting forefoot 81 and the front supporting rod 82 in the front bracket 8. Similarly, in the process of opening the front leg 1 and the rear leg 2, the front leg 1 drives the seat 4 to flip and open upward through the supporting forefoot 81 and the front supporting rod 82 in the front bracket 8. The rear leg 2 is formed with a second limiting opening 91 at the connection position with the seat 4, and after the seat 4 is opened, the connecting end of the seat 4 is inserted into the second limiting opening 91 and locked against the inner wall of the second limiting opening 91 to lock the seat 4 in the open state.
[0040] Reference Figure 2 Specifically, in this embodiment, the rear leg 2 is sleeved with a second connecting sleeve 9 at the position where it is connected to the seat 4, and the second connecting sleeve 9 is fixedly connected to the rear leg 2 by screws. The second limiting opening 91 is formed in the second connecting sleeve 9.
[0041] Reference Figure 2 In this embodiment, the bottom of the rear leg 2 is inwardly buckled downward. In actual use, if the rear leg 2 remains straight, it means that after it is opened, the support point extending backward is relatively far, so it needs to occupy a larger placement space, which is not convenient for actual use scenarios. In the embodiment of the present application, the bottom of the rear leg 2 is inwardly buckled downward, which can effectively shorten the support point extending backward in the open state, which also means that the required placement space is further improved, which is convenient for actual use.
[0042] In reference Figure 2 In this embodiment, an inner support rod 10 is installed inside the rear leg 2, wherein the inner support rod 10 is horizontally arranged, and the two ends of the inner support rod 10 are respectively fixedly connected to the left and right sides of the rear leg 2 by screws, so as to further support and reinforce the structure of the rear leg 2, so as to improve the supporting stability of the entire chair.
[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A folding chair, characterized in that: The invention comprises a front leg (1), a rear leg (2), a seat (4) and a chair back (3); the front leg (1) and the rear leg (2) are arranged crosswise so as to be opened or closed; the chair back (3) is mounted on the top of the front leg (1) and is connected to the left and right sides of the front leg (1), and the chair back (3) can be flipped upward to be opened and locked or flipped downward to be folded relative to the front leg (1); the seat (4) is mounted on the top of the rear leg (2) and is connected to the left and right sides of the rear leg (2), and the seat (4) can be flipped upward to be opened and locked or flipped downward to be folded relative to the rear leg (2); The left and right sides of the top of the front support leg (1) are both formed with a first limiting opening (61) for the two ends of the chair back (3) to be plugged in; the back side of the first limiting opening (61) is open, and the left and right sides of the first limiting opening (61) are both formed with an arc-shaped slide groove (62), and the arc-shaped slide groove (62) extends inward from top to bottom, and one end of the chair back (3) plugged into the first limiting opening (61) is slidably connected to the arc-shaped slide groove (62) through a sliding member (63), and is rotatably connected, and when the chair back (3) is inserted into the bottom of the arc-shaped slide groove (62) along the arc-shaped slide groove (62), the end of the chair back (3) plugged into the first limiting opening (61) is tightly locked against the inner wall of the first limiting opening (61); A rear support rod (7) is installed between the chair back (3) and the rear legs (2). The rear support rod (7) is arranged on the left and right sides, and the bottom end of the rear support rod (7) is rotatably connected to the rear legs (2), and the top end of the rear support rod (7) is rotatably connected to the chair back (3).
2. A folding chair according to claim 1, characterized in that: The seat (4) is rotatably mounted on the left and right sides of the top of the rear legs (2) so as to be flipped upward to open or flipped downward to fold; a front bracket (8) is mounted between the seat (4) and the front support (81), and when the front legs (1) and the rear legs (2) are closed, the front legs (1) drive the seat (4) to flip downward to fold through the front bracket (8); when the front legs (1) and the rear legs (2) are opened, the front legs (1) drive the seat (4) to flip upward to open through the front bracket (8); a second limiting opening (91) is formed at the position where the rear legs (2) are connected to the seat (4), and after the seat (4) is opened, the connecting end of the seat (4) is inserted into the second limiting opening (91) and is tightly locked with the inner wall of the second limiting opening (91).
3. A folding chair according to claim 2, characterized in that: The front bracket (8) comprises a supporting forefoot (81) and a front supporting rod (82); the supporting forefoot (81) is arranged horizontally, the left and right sides of the bottom of the front supporting leg (1) are respectively rotatably connected to the left and right sides of the rear end of the supporting forefoot (81), the front supporting rod (82) is arranged on the left and right sides, and the bottom of the front supporting rod (82) is rotatably connected to the front end of the supporting forefoot (81), and the top of the front supporting rod (82) is rotatably connected to the front end of the seat (4).
4. A folding chair according to claim 1, characterized in that: The bottom of the rear supporting leg (2) is in an inwardly buckled shape.
5. A folding chair according to claim 1, characterized in that: An inner support rod (10) is installed inside the rear support leg (2), the inner support rod (10) is arranged horizontally, and the two ends of the inner support rod (10) are respectively fixedly connected to the left and right sides of the rear support leg (2).
6. A folding chair according to claim 1, characterized in that: It also comprises a flexible support body (5), which is installed between the seat (4) and the chair back (3), and one end of the flexible support body (5) is fixedly connected to the seat (4), and the other end is fixedly connected to the chair back (3).