Folding chair with fixable backrest

Abstract

The utility model relates to the technical field of folding chairs, in particular to a folding chair with a fixable backrest. The folding chair with the fixable backrests comprises a chair frame main body and two backrest assemblies arranged on the chair frame main body, the chair frame main body is provided with two rotating seats corresponding to the two backrest assemblies, each backrest assembly comprises a rotating pipe sleeve and a backrest rotating pipe, the rotating pipe sleeves are arranged on the backrest rotating pipes in a sleeving mode, and the backrest rotating pipes are sleeved with the rotating pipe sleeves. The rotating pipe sleeve is rotatably connected with the rotating seat, a fixing assembly is arranged on the rotating seat, the fixing assembly comprises a fixing part and a clamping groove matched with the fixing part, the clamping groove is formed in the rotating seat, and the fixing part is detachably connected into the clamping groove, so that the backrest is fixed; when a user wants to enable the backrest rotating pipe not to rotate, the backrest rotating pipe can be fixed through the fixing piece, so that convenience is brought to the user, and the use experience feeling of the user is improved.

Description

Technical Field

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

[0002] A folding chair is a lightweight, stackable seat that is easy to move and saves space. It is easy to store and takes up little space, and is widely used in various places, such as home, outdoors, and companies.

[0003] For example, patent application number CN202021246098.6 discloses a folding chair with a freely adjustable and detachable backrest, comprising a chair frame body and two backrest components arranged on the chair frame body, wherein the chair frame body is provided with two rotating seats corresponding to the two backrest components, and the backrest component comprises a rotating tube sleeve and a backrest rotating tube, wherein the rotating tube sleeve is sleeved on the backrest rotating tube, the rotating tube sleeve is rotatably connected to the rotating seat, and the rotating tube sleeve is detachably arranged on the rotating seat. However, when the user does not want the backrest rotating tube to rotate, it cannot be fixed, which brings inconvenience to the user and results in a poor user experience.

[0004] Therefore, it is urgent to provide a folding chair with a fixable backrest to solve the above problems. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art and provide a folding chair with a fixable backrest.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a folding chair with a fixable backrest, comprising a chair frame body and two backrest components arranged on the chair frame body, the chair frame body is provided with two rotating seats corresponding to the two backrest components, the backrest component comprises a rotating tube sleeve and a backrest rotating tube, the rotating tube sleeve is sleeved on the backrest rotating tube, the rotating tube sleeve is rotatably connected to the rotating seat, a fixing component is provided on the rotating seat, the fixing component comprises a fixing piece and a clamping groove matching the fixing piece, the clamping groove is opened on the rotating seat, and the fixing piece is detachably connected to the clamping groove.

[0007] Furthermore, the rotating seat is provided with a limiting rib for limiting the rotation angle of the back-rest rotating tube.

[0008] Furthermore, the limiting ribs include two, and a limiting groove for accommodating the rotating sleeve is formed between the two limiting ribs.

[0009] Furthermore, the width of the limiting groove matches the width of the rotating sleeve.

[0010] Furthermore, the limiting rib is integrally connected with the rotating seat.

[0011] Furthermore, the limiting rib faces away from the back-to-back rotating tube and is located at the rear side of the rotating seat.

[0012] Furthermore, the clamping groove is arranged on the top of the limiting rib.

[0013] Furthermore, the rotating seat is L-shaped.

[0014] Furthermore, the fixing piece is in a 7-shape.

[0015] Beneficial effects of the present invention: It can be seen from the above description of the present invention that, compared with the prior art, the folding chair with a fixable backrest of the present invention comprises a chair frame main body and two backrest components arranged on the chair frame main body, the chair frame main body is provided with two rotating seats corresponding to the two backrest components, the backrest component comprises a rotating tube sleeve and a backrest rotating tube, the rotating tube sleeve is sleeved on the backrest rotating tube, the rotating tube sleeve is rotatably connected to the rotating seat, a fixing component is provided on the rotating seat, the fixing component comprises a fixing piece and a clamping groove matching the fixing piece, the clamping groove is provided on the rotating seat, the fixing piece is detachably connected to the clamping groove, thereby realizing the fixation of the backrest, that is, when the user does not want the backrest rotating tube to rotate, the backrest rotating tube can be fixed by the fixing piece, thereby bringing convenience to the user and improving the user's sense of experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a folding chair with a fixed backrest in a preferred embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the back structure of a folding chair with a fixable backrest in a preferred embodiment of the utility model;

[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0019] Figure numerals: 1. chair frame body; 2. rotating tube sleeve; 3. backrest rotating tube; 4. rotating seat; 5. fixing piece; 6. snap-in groove; 7. limiting rib. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Reference Figure 1-3 As shown, a preferred embodiment of the utility model is a folding chair with a fixable backrest, comprising a chair frame body 1 and two backrest components arranged on the chair frame body 1, the chair frame body is provided with two rotating seats 4 corresponding to the two backrest components, the backrest component comprises a rotating tube sleeve 2 and a backrest rotating tube 3, the rotating tube sleeve 2 is sleeved on the backrest rotating tube 3, the rotating tube sleeve 2 is rotatably connected to the rotating seat 4, the rotating seat 4 is provided with a fixing component, the fixing component comprises a fixing member 5 and a clamping groove 6 matching the fixing member 5, the clamping groove 6 is provided on the rotating seat 4, the fixing member 5 is detachably connected to the clamping groove 6, so as to realize the fixation of the backrest, that is, when the user does not want the backrest rotating tube to rotate, the backrest rotating tube 3 can be fixed by the fixing member 5, thereby bringing convenience to the user and improving the user's sense of experience.

[0023] As a preferred embodiment of the utility model, it may also have the following additional technical features: a limiting rib 7 for limiting the rotation angle of the backrest rotating tube is provided on the rotating seat 4, and the limiting rib 7 includes two, and a limiting groove for accommodating the rotating tube sleeve 2 is formed between the two limiting ribs 7, and the width of the limiting groove matches the width of the rotating tube sleeve 2. Thus, the backrest assembly can rotate freely on the rotating seat 4, ensuring the comfort of the user.

[0024] In this embodiment, the limiting rib 7 is integrally connected with the rotating seat 4, and the rotating seat 4 is L-shaped, so that it is easy to manufacture and easy to assemble by the user.

[0025] In this embodiment, the limiting rib 7 faces away from the back-to-back rotating tube 3 and is located at the rear side of the rotating seat 4 .

[0026] In this embodiment, the clamping groove 6 is provided at the top of the limiting rib 7. Thus, it is convenient to place the fixing piece to fix the back-supporting rotating tube 3.

[0027] In this embodiment, the fixing member 5 is in the shape of a letter "7". Therefore, it is convenient for the user to put the fixing member 7 in or out of the clamping groove 6 to fix the backrest rotating tube 3, thereby improving the user's use experience.

[0028] The working principle of the utility model is as follows: a fixing assembly is arranged on the rotating seat 4, the fixing assembly includes a fixing part 5 and a clamping groove 6 matching the fixing part 5, the clamping groove 6 is opened on the rotating seat 4, and the fixing part 5 is detachably connected to the clamping groove 6, so as to realize the fixation of the backrest, that is, when the user does not want the backrest rotating tube to rotate, the backrest rotating tube 3 can be fixed by the fixing part 5, thereby bringing convenience to the user and improving the user's experience.

[0029] Under the premise that no conflict occurs, those skilled in the art may freely combine and superimpose the above-mentioned additional technical features.

[0030] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A folding chair with a fixed backrest, comprising a chair frame body and two backrest components arranged on the chair frame body, the chair frame body is provided with two rotating seats corresponding to the two backrest components, the backrest component comprises a rotating sleeve and a backrest rotating pipe, the rotating sleeve is sleeved on the backrest rotating pipe, the rotating sleeve is rotatably connected to the rotating seat, and is characterized in that: The rotating seat is provided with a fixing assembly, which includes a fixing piece and a clamping groove matching the fixing piece. The clamping groove is opened on the rotating seat, and the fixing piece is detachably connected in the clamping groove.

2. The folding chair with a fixed backrest according to claim 1, characterized in that: The rotating seat is provided with a limiting rib for limiting the rotation angle of the back-supporting rotating tube.

3. The folding chair with a fixed backrest according to claim 2, characterized in that: The limiting ribs include two, and a limiting groove for accommodating the rotating sleeve is formed between the two limiting ribs.

4. The folding chair with a fixed backrest according to claim 3, characterized in that: The width of the limiting groove matches the width of the rotating sleeve.

5. The folding chair with a fixed backrest according to claim 2, characterized in that: The limiting ribs are integrally connected with the rotating seat.

6. The folding chair with a fixed backrest according to claim 2, characterized in that: The limiting rib faces away from the back-to-back rotating tube and is located at the rear side of the rotating seat.

7. The folding chair with a fixed backrest according to claim 2, characterized in that: The clamping groove is arranged on the top of the limiting rib.

8. The folding chair with a fixed backrest according to claim 1, characterized in that: The rotating seat is L-shaped.

9. The folding chair with a fixed backrest according to claim 1, characterized in that: The fixing piece is in a 7-shape.

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