Backrest adjusting chair with footrest

Abstract

The utility model relates to the technical field of adjusting chairs, in particular to a backrest adjusting chair with a footrest. According to the backrest adjusting chair with the footrest, the rear cross pipe assembly is movably installed between the two backrest pipes, the rear cross pipe assembly comprises the supporting pipe connected with the backrest pipes, the first cross pipe and the second cross pipe connected with the supporting pipe and the first cross pipe, the first cross pipe is movably connected with the handle piece, and the second cross pipe is movably connected with the second cross pipe. A joint piece is mounted between the supporting pipe and the second cross pipe, and a wedging groove matched with the joint piece is formed in the handle piece, so that the stability of each part is effectively improved while it is guaranteed that all the parts in the adjusting chair can be folded in the left-right direction, and the overall stability and safety of the adjusting chair are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of adjustable chairs, and particularly relates to a backrest adjustable chair with a footrest. Background Art

[0002] Nowadays, with the gradual improvement of people's living standards, outdoor sports are loved by more and more people. When people carry out outdoor sports, in order to get a better experience, they generally need to carry some outdoor supplies. Among these outdoor supplies, the adjustable chair undoubtedly belongs to an essential single item.

[0003] Due to the advantages of being unfoldable and foldable for storage, when it needs to be carried or stored, it only needs to be folded, which can effectively reduce its volume, thereby reducing the occupied space during transportation and making it more convenient to carry. When it needs to be used, it can be unfolded to form a stable chair, allowing people to enjoy a relatively comfortable rest environment outdoors.

[0004] The adjustable chair generally includes a folding chair frame and a seat surface structure. In the folding chair frame of the prior art, the folding and unfolding of the footrest part are not convenient enough, and there is still room for optimization in the structure of the folding components on the backrest. Content of the Utility Model

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a backrest adjustable chair with a footrest.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is as follows: a backrest adjustable chair with a footrest, including two symmetrically arranged backrest tubes, two seat tubes respectively hinged to the two backrest tubes, two rear leg tubes respectively hinged to the two seat tubes, and a front leg tube. A rear cross-tube assembly is movably installed between the two backrest tubes. The rear cross-tube assembly includes a support tube connected to the backrest tube, a first cross-tube, and a second cross-tube connected to the support tube and the first cross-tube. A handle member is movably connected to the first cross-tube. A joint member is installed between the support tube and the second cross-tube. The handle member is provided with a fitting groove matching the joint member.

[0007] Furthermore, a rear cross-linking member is installed between the first cross-tube and the second cross-tube.

[0008] Furthermore, a first rear cross-fixing member is installed between the first cross-tube and the backrest tube. A first connecting member is connected to the first rear cross-fixing member, and the first connecting member is connected to the first cross-tube. A second rear cross-fixing member is installed between the support tube and the backrest tube. A fourth connecting member is connected to the second rear cross-fixing member, and the fourth connecting member is connected to the support tube.

[0009] Furthermore, a front base is provided at the bottom of the front foot tube. A rotating member is rotatably mounted on the front base. A fixing member is mounted on the rotating member, and a footrest tube is mounted on the fixing member.

[0010] Furthermore, a front cross tube is hinged to the seat tube, and the bottom of the front cross tube is hinged to the front base.

[0011] Furthermore, a front cross fixing member is connected between the front cross tube and the seat tube. A second connecting member is connected to the front cross fixing member, and the second connecting member is connected to the front cross tube.

[0012] Furthermore, a multi-stage adjusting member is installed at the tops of the front foot tube and the rear foot tube. An armrest assembly is connected to the top of the multi-stage adjusting member, and the armrest assembly is movably connected to the backrest tube.

[0013] Furthermore, a plurality of adjusting holes are formed in the multi-stage adjusting member, and the tops of the front foot tube and the rear foot tube are located on both sides of the adjusting holes and are in a crossed shape.

[0014] Furthermore, a connecting column is installed between the front foot tube and the seat tube.

[0015] Furthermore, a sliding member is installed between the backrest tube and the rear foot tube. A third connecting member is connected to the sliding member, and the third connecting member is respectively connected to the backrest tube and the seat tube.

[0016] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0017] 1. In the present application, a rear cross tube assembly is movably installed between two backrest tubes. The rear cross tube assembly includes a support tube connected to the backrest tube, a first cross tube, and a second cross tube connected to the support tube and the first cross tube. A handle member is movably connected to the first cross tube. A joint member is installed between the support tube and the second cross tube. A fitting groove matching the joint member is provided on the handle member, so that while ensuring that each component in the adjustable chair can be folded in the left-right direction, the stability of each component is effectively improved, thereby improving the overall stability and safety of the adjustable chair.

[0018] 2. In the present application, a multi-stage adjusting member is installed at the tops of the front foot tube and the rear foot tube, so that the adjustable chair can be adjusted at multiple angles, which is convenient for users to use.

[0019] 3. In the present application, a front base is provided at the bottom of the front foot tube. A rotating member is rotatably mounted on the front base. A fixing member is mounted on the rotating member, and a footrest tube is mounted on the fixing member, thereby making it more convenient for users to use. The overall structure of the adjustable chair in the present application is highly optimized, simple and reasonable, orderly and beautiful, and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a backrest adjustable chair with a footrest in a preferred embodiment of the present utility model;

[0021] Figure 2 This is a cross-sectional view of the handle part in a preferred embodiment of the present utility model;

[0022] Figure 3 This is a side view of a backrest adjustable chair with a footrest in a preferred embodiment of the present utility model;

[0023] Figure 4 This is a front view of a backrest adjustable chair with a footrest in a preferred embodiment of the present utility model;

[0024] Figure 5 This is a top view of a backrest adjustable chair with a footrest in a preferred embodiment of the present utility model;

[0025] Figure 6 This is a schematic diagram of the adjustment structure of a backrest adjustable chair with a footrest in a preferred embodiment of the present utility model;

[0026] Figure 7 This is a schematic diagram of the unfolding and folding structure of a backrest adjustable chair with a footrest in a preferred embodiment of the present utility model.

[0027] Reference numerals: 1, footrest tube; 2, fixing member; 3, rotating member; 4, front base; 5, front foot tube; 6, second connecting member; 7, front cross fixing member; 8, connecting column; 9, rear base; 10, rear foot tube; 11, sliding member; 12, third connecting member; 13, second rear cross fixing member; 14, fourth connecting member; 15, support tube; 16, armrest assembly; 17, multi-stage adjusting member; 18, cleaning belt; 19, backrest tube; 20, joint member; 21, first rear cross fixing member; 22, first connecting member; 23, first cross tube; 24, second cross tube; 25, rear cross linkage member; 26, handle part; 27, seat tube; 28, front cross tube; 29, fitting groove. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0029] Refer to Figures 1-7As shown in the figure, a preferred embodiment of the present utility model is a backrest adjustable chair with a footrest, which includes two symmetrically arranged backrest tubes 19, two seat tubes 27 respectively hinged to the two backrest tubes 19, two rear foot tubes 10 respectively hinged to the two seat tubes 27, and a front foot tube 5. A rear cross-tube assembly is movably installed between the two backrest tubes 19. The rear cross-tube assembly includes a support tube 15 connected to the backrest tube 19, a first cross-tube 23, and a second cross-tube 24 connected to the support tube 15 and the first cross-tube 23. A handle member 26 is movably connected to the first cross-tube 23. A joint member 20 is installed between the support tube 15 and the second cross-tube 24. A fitting groove 29 matching the joint member 20 is provided on the handle member 26, so as to effectively improve the stability of each component while ensuring that each component in the adjustable chair can be folded in the left-right direction, thereby improving the overall stability and safety of the adjustable chair.

[0030] As a preferred embodiment of the present utility model, it may further have the following additional technical features: A rear cross-linking member 25 is installed between the first cross-tube 23 and the second cross-tube 24. Thus, it is convenient to fold, store or unfold the adjustable chair.

[0031] In this embodiment, a first rear cross-fixing member 21 is installed between the first cross-tube 23 and the backrest tube 19. A first connecting member 22 is connected to the first rear cross-fixing member 21, and the first connecting member 22 is connected to the first cross-tube 23; a second rear cross-fixing member 13 is installed between the support tube 15 and the backrest tube 19. A fourth connecting member 14 is connected to the second rear cross-fixing member 13, and the fourth connecting member 14 is connected to the support tube 15.

[0032] In this embodiment, a front base 4 is provided at the bottom of the front foot tube 5. A rotating member 3 is rotatably installed on the front base 4. A fixing member 2 is installed on the rotating member 3, and a footrest tube 1 is installed on the fixing member 2, so as to facilitate the use of the user; at the same time, a rear base 9 is provided at the bottom of the rear foot tube to enhance the stability of the adjustable chair.

[0033] In this embodiment, a front cross-tube 28 is hinged to the seat tube 27. The bottom of the front cross-tube 28 is hinged to the front base 4; and a front cross-fixing member 7 is connected between the front cross-tube 28 and the seat tube 27. A second connecting member 6 is connected to the front cross-fixing member 7, and the second connecting member 6 is connected to the front cross-tube 28. Thus, it is convenient to fold, store or unfold the adjustable chair.

[0034] In this embodiment, a multi-stage adjustment member 17 is installed at the top of the front foot tube 5 and the rear foot tube 10. The top of the multi-stage adjustment member 17 is connected to an armrest assembly 16, and the armrest assembly 16 is movably connected to the backrest tube 19. A number of adjustment holes are provided in the multi-stage adjustment member 17, and the tops of the front foot tube 5 and the rear foot tube 10 are located on both sides of the adjustment holes and are in a cross shape. Thereby, the overall stability and safety of the adjustable chair are improved.

[0035] In this embodiment, a connecting column 8 is installed between the front foot tube 5 and the seat tube 27. Thereby, it is convenient for folding, storing or unfolding between the front foot tube 5 and the seat tube 27.

[0036] In this embodiment, a sliding member 11 is installed between the backrest tube 19 and the rear foot tube 10. A third connecting member 12 is connected to the sliding member 11, and the third connecting member 12 is respectively connected to the backrest tube 19 and the seat tube 27. Thereby, it is convenient for folding, storing or unfolding the adjustable chair.

[0037] The working principle of the present utility model: When unfolding, open the front foot tube 5, the rear foot tube 10 and the backrest tube 19, and then press down the handgrip member 26 so that the joint member 20 between the support tube 15 and the second cross tube 24 is installed in the fitting groove 29 of the handgrip member 26 for fixation; finally, turn the footrest tube 1 downward to make the adjustable chair unfold; when storing, separate the joint member 20 between the support tube 15 and the second cross tube 24 from the fitting groove 29 of the handgrip member 26, then fold up the front foot tube 5, the rear foot tube 10 and the backrest tube 19, and finally fold up the footrest tube 1.

[0038] By adjusting the positions of the tops of the front foot tube 5 and the rear foot tube 10 in the adjustment holes of the multi-stage adjustment member 17, the angle of the backrest tube 19 is adjusted to meet the usage requirements of the user.

[0039] On the premise of no conflict, those skilled in the art can freely combine and superimpose the above-mentioned additional technical features.

[0040] It can be understood that the present utility model is described through some embodiments. Those skilled in the art know that without departing from the spirit and scope of the present utility model, various changes or equivalent replacements can be made to these features and embodiments. In addition, under the teaching of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present utility model.

Claims

1. A backrest adjustable chair with a footrest, comprising two symmetrically arranged backrest tubes, two seat tubes respectively hinged to the two backrest tubes, two rear foot tubes respectively hinged to the two seat tubes and a front foot tube, characterized in that: A rear cross tube assembly is movably installed between the two backrest tubes, and the rear cross tube assembly includes a support tube connected to the backrest tube, a first cross tube, and a second cross tube connected to the support tube and the first cross tube. A handle is movably connected to the first cross tube, a joint is installed between the support tube and the second cross tube, and the handle is provided with a fitting groove matching the joint.

2. The backrest adjustable chair with footrest according to claim 1, characterized in that: A rear cross linking member is installed between the first cross tube and the second cross tube.

3. The backrest adjustable chair with footrest according to claim 1, characterized in that: A first rear cross fixing member is installed between the first cross tube and the backrest tube, a first connecting member is connected to the first rear cross fixing member, and the first connecting member is connected to the first cross tube; a second rear cross fixing member is installed between the support tube and the backrest tube, a fourth connecting member is connected to the second rear cross fixing member, and the fourth connecting member is connected to the support tube.

4. The backrest adjustable chair with footrest according to claim 1, characterized in that: A front base is provided at the bottom of the front leg tube, a rotating member is rotatably mounted on the front base, a fixing member is mounted on the rotating member, and a footrest tube is mounted on the fixing member.

5. The backrest adjustable chair with footrest according to claim 4, characterized in that: A front cross tube is hinged on the seat tube, and the bottom of the front cross tube is hinged to the front base.

6. The backrest adjustable chair with footrest according to claim 5, characterized in that: A front cross fixing piece is connected between the front cross tube and the seat tube, a second connecting piece is connected to the front cross fixing piece, and the second connecting piece is connected to the front cross tube.

7. The backrest adjustable chair with footrest according to claim 1, characterized in that: A multi-speed adjusting member is installed on the top of the front leg tube and the rear leg tube, and an armrest assembly is connected to the top of the multi-speed adjusting member. The armrest assembly is movably connected to the backrest tube.

8. The backrest adjustable chair with footrest according to claim 7, characterized in that: The multi-speed adjusting member is provided with a plurality of adjusting holes, and the tops of the front leg tubes and the rear leg tubes are located on both sides of the adjusting holes and are in a cross shape.

9. The backrest adjustable chair with footrest according to claim 1, characterized in that: A connecting column is installed between the front leg tube and the seat tube.

10. The backrest adjustable chair with footrest according to claim 1, characterized in that: A sliding member is installed between the backrest tube and the rear leg tube, and a third connecting member is connected to the sliding member. The third connecting member is respectively connected to the backrest tube and the seat tube.

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