Folding chair with armrests

Abstract

The utility model belongs to the technical field of chairs, and particularly relates to a folding chair with armrests, which comprises a chair seat connected with a chair back; the supporting legs are connected with handrails; the rotating shaft is fixedly connected to the top of the supporting leg, and the handrail is rotationally connected to the rotating shaft through a rotating seat; the locking mechanism comprises a mounting shell, a gear, a rack, a limiting groove and a limiting rod, the mounting shell is fixedly connected to the bottom face of the handrail, the gear is rotationally connected into the mounting shell, and the gear is rotated to drive the rack to move so that the limiting rod can penetrate through the rotating seat to be clamped into the limiting groove in the rotating shaft; according to the folding chair with the armrests, provided by the utility model, after the armrests are unfolded, the gear is operated to enable the rack to move, and then the limiting rod is controlled to be clamped into the limiting groove in the rotating shaft, so that the armrests are locked, the armrests are prevented from accidentally rotating in the use process, and the use safety and stability are improved.

Description

Technical Field

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

[0002] A folding chair is a lightweight, stackable chair. The materials of a folding chair usually include steel pipes and Oxford cloth or plastic plates. The surface of the steel pipes is sprayed with plastic to prevent rust and look beautiful. The important parts of the stress-bearing parts are treated with process mechanics to greatly enhance the load-bearing capacity. The advantages of a folding chair are its lightness and foldability, which can greatly save space and is easy to carry. As a lightweight and practical piece of furniture, when using a folding chair, you need to pay attention to issues such as its stability and service life in order to give full play to its advantages.

[0003] The utility model with application number CN201420439258.7 discloses a folding chair, including a seat frame, a backrest, a folding member, a front support leg, a rear support leg and an armrest, wherein one end of the folding member is arranged on the backrest and the other end is hinged to the seat frame, the front support leg is hinged to the seat frame, one end of the armrest is hinged to the backrest and the other end is hinged to the front support leg, and the seat frame extends downward and backward to form a rear support leg. When the utility model is used, the backrest is rotated clockwise relative to the seat frame by the folding member until the end of the backrest is against the seat frame, so that the front support leg and the rear support leg support the ground, and the folding chair can be used for sitting; after use, the backrest is rotated counterclockwise relative to the seat frame by the folding member until the backrest and the seat frame tend to be parallel, so that the armrest and the front support leg are in contact with the seat frame and the backrest, which can reduce the space occupied by the folding chair. The armrest of the folding chair in the utility model is easy to rotate accidentally after being unfolded, resulting in the folding chair being unstable when in use. Utility Model Content

[0004] The purpose of the utility model is to provide a folding chair with armrests for locking the armrests in view of the above-mentioned technical problems.

[0005] In view of this, the utility model provides a folding chair with armrests, comprising: a seat, the seat is connected to a chair back; support legs, the support legs are connected to armrests; further comprising: a rotating shaft, the rotating shaft is fixedly connected to the top of the support legs, and the armrest is rotatably connected to the rotating shaft through a rotating seat; a locking mechanism, the locking mechanism comprises a mounting shell, a gear, a rack, a limiting groove and a limiting rod, the mounting shell is fixedly connected to the bottom surface of the armrest, the gear is rotatably connected in the mounting shell, and rotating the gear drives the rack to move so that the limiting rod can pass through the rotating seat and be connected to the limiting groove on the rotating shaft; wherein, the locking mechanism is arranged at the armrest.

[0006] In this technical solution, after the armrest is unfolded, the rack is moved by operating the gear, and then the limit rod is controlled to be engaged in the limit groove on the rotating shaft, so as to lock the armrest and prevent the armrest from accidentally rotating during use, thereby improving the safety and stability of use.

[0007] In the above technical solution, further, the locking mechanism also includes: a rotating rod, which is rotatably connected in the mounting shell, and the rotating rod is fixedly connected to the gear; a handle, which is fixedly connected to one end of the rotating rod that extends outward through the mounting shell; wherein the gear is meshingly connected to the rack, the bottom surface of the rack is slidably connected to the bottom surface of the inner wall of the mounting shell, and the right end of the rack is fixedly connected to the limit rod.

[0008] In the above technical solution, further, a bracket mechanism is provided at the armrest.

[0009] In the above technical scheme, further, the bracket mechanism includes: a storage groove, which is opened on the upper surface of the armrest, and a support plate is rotatably connected to the storage groove through a connecting shaft; an auxiliary plate, which is rotatably connected to the surface of the support plate close to the connecting shaft through a connecting seat; a support frame, which is U-shaped, and the front and rear ends of the support frame are respectively rotatably connected to the side walls of the storage groove; a rubber sleeve, which is fixedly sleeved on the support frame; a clamping seat, a plurality of the clamping seats are fixedly connected to the lower surface of the support plate, and the rubber sleeve can be clamped with the clamping seat.

[0010] In the above technical solution, further, a magnetic block is fixedly connected to the left end of the support plate, and an auxiliary magnetic block is fixedly connected to the left side wall of the storage slot.

[0011] The beneficial effects of the utility model are:

[0012] 1. After the armrest is unfolded, the gear is operated to move the rack, thereby controlling the limit rod to be clamped into the limit groove on the rotating shaft to lock the armrest, preventing the armrest from rotating accidentally during use, thereby improving the safety and stability of use.

[0013] 2. The locking mechanism includes a rotating rod and a handle. The user can easily operate the locking mechanism by turning the handle. Turning the handle drives the gear to rotate through the rotating rod, driving the rack to move, making it convenient for the limit rod to be inserted into or leave the limit groove, thereby improving the convenience of use.

[0014] 3. Turn the support plate to adjust it to a suitable angle, and then turn the support frame to engage the rubber sleeve with the card holder to fix the support plate. The support plate provides stable support for mobile phones, tablets, books or other items, increasing the practicality and versatility of the folding chair.

[0015] 4. The magnetic block cooperates with the auxiliary magnetic block to automatically adsorb when the support plate is stored to fix the support plate. The bracket mechanism can be easily stored in the storage slot inside the armrest without taking up extra space. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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 labor.

[0017] Figure 1 It is a schematic structural diagram of a specific implementation method of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the locking mechanism of the utility model.

[0019] Figure 3 For this utility model Figure 1 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0020] Figure 4 It is a structural schematic diagram of the unfolded support mechanism of the utility model.

[0021] Figure 5 It is a structural schematic diagram of the utility model when the support mechanism is folded.

[0022] The symbols in the figure are:

[0023] 1. Seat; 2. Backrest; 3. Support leg; 4. Armrest; 5. Rotating shaft; 6. Rotating seat; 7. Locking mechanism; 71. Mounting shell; 72. Gear; 73. Rack; 74. Limiting groove; 75. Limiting rod; 76. Rotating rod; 77. Handle; 8. Bracket mechanism; 81. Storage slot; 82. Support plate; 83. Auxiliary plate; 84. Support frame; 85. Rubber sleeve; 86. Card seat; 9. Magnetic block; 10. Auxiliary magnetic block. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0026] Embodiment 1:

[0027] The embodiment of the present application provides a folding chair with armrests, comprising:

[0028] A seat 1, wherein the seat 1 is connected with a backrest 2;

[0029] A support leg 3, the support leg 3 is connected with an armrest 4;

[0030] A rotating shaft 5 is fixedly connected to the top of the supporting leg 3, and the armrest 4 is rotatably connected to the rotating shaft 5 through a rotating seat 6;

[0031] The locking mechanism 7 includes a mounting shell 71, a gear 72, a rack 73, a limiting groove 74 and a limiting rod 75. The mounting shell 71 is fixedly connected to the bottom surface of the armrest 4, and the gear 72 is rotatably connected in the mounting shell 71. The rotating gear 72 drives the rack 73 to move so that the limiting rod 75 passes through the rotating seat 6 and is clamped into the limiting groove 74 on the rotating shaft 5.

[0032] The locking mechanism 7 is arranged on the armrest 4 .

[0033] In this embodiment, refer to Figure 1 and Figure 2 As shown, after the armrest 4 is unfolded, the rack 73 is moved by operating the gear 72, thereby controlling the limit rod 75 to engage in the limit groove 74 on the rotating shaft 5, thereby locking the armrest 4 to prevent the armrest 4 from accidentally rotating during use, thereby improving the safety and stability of use.

[0034] Embodiment 2:

[0035] This embodiment provides a folding chair with armrests. In addition to the technical solutions of the above embodiments, it also has the following technical features. The locking mechanism 7 also includes:

[0036] A rotating rod 76, the rotating rod 76 is rotatably connected in the mounting shell 71, and the rotating rod 76 is fixedly connected to the gear 72;

[0037] A handle 77, the handle 77 is fixedly connected to one end of the rotating rod 76 extending outward through the mounting shell 71;

[0038] The gear 72 is meshed with the rack 73 , the bottom surface of the rack 73 is slidably connected to the bottom surface of the inner wall of the mounting shell 71 , and the right end of the rack 73 is fixedly connected to the limiting rod 75 .

[0039] In this embodiment, refer to Figure 1 , Figure 2 and Figure 3 As shown, the locking mechanism 7 includes a rotating rod 76 and a handle 77. The user can easily operate the locking mechanism 7 by rotating the handle 77. The rotating handle 77 drives the gear 72 to rotate through the rotating rod 76, driving the rack 73 to move, making it convenient for the limit rod 75 to be inserted into or leave the limit groove 74, thereby improving the convenience of use.

[0040] Embodiment 3:

[0041] This embodiment provides a folding chair with armrests. In addition to the technical solutions of the above embodiments, it also has the following technical features: a bracket mechanism 8 is provided at the armrest 4, and the bracket mechanism 8 includes:

[0042] A storage groove 81 is provided on the upper surface of the armrest 4, and a support plate 82 is rotatably connected to the storage groove 81 via a connecting shaft;

[0043] Auxiliary plate 83, the auxiliary plate 83 is rotatably connected to the surface of the support plate 82 close to the connecting shaft through a connecting seat;

[0044] The support frame 84 is U-shaped, and the front and rear ends of the support frame 84 are rotatably connected to the side walls of the storage slot 81;

[0045] A rubber sleeve 85, the rubber sleeve 85 is fixedly sleeved on the support frame 84;

[0046] A plurality of the card seats 86 are fixedly connected to the lower surface of the support plate 82 , and the rubber sleeve 85 can be connected to the card seats 86 .

[0047] In this embodiment, refer to Figure 1 , Figure 4 and Figure 5 As shown, the support plate 82 is rotated to adjust to a suitable angle, and then the support frame 84 is rotated to engage the rubber sleeve 85 with the socket 86 to fix the support plate 82. The support plate 82 provides stable support for mobile phones, tablet computers, books or other items, thereby increasing the practicality and versatility of the folding chair.

[0048] Embodiment 4:

[0049] This embodiment provides a folding chair with armrests. In addition to the technical solutions of the above embodiments, it also has the following technical features: a magnetic block 9 is fixedly connected to the left end of the support plate 82, and an auxiliary magnetic block 10 is fixedly connected to the left side wall of the storage groove 81.

[0050] In this embodiment, refer to Figure 4 and Figure 5 As shown, the magnetic block 9 cooperates with the auxiliary magnetic block 10 to automatically adsorb when the support plate 82 is stored, thereby fixing the support plate 82. The bracket mechanism 8 can be easily stored in the storage groove 81 inside the armrest 4 without taking up additional space.

[0051] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A folding chair with armrests, comprising: A chair seat (1), wherein the chair seat (1) is connected to a chair back (2); A support leg (3), wherein the support leg (3) is connected to an armrest (4); It is characterized by further comprising: A rotating shaft (5), wherein the rotating shaft (5) is fixedly connected to the top of the supporting leg (3), and the armrest (4) is rotatably connected to the rotating shaft (5) via a rotating seat (6); A locking mechanism (7), the locking mechanism (7) comprising a mounting shell (71), a gear (72), a rack (73), a limiting groove (74) and a limiting rod (75), the mounting shell (71) being fixedly connected to the bottom surface of the armrest (4), the gear (72) being rotatably connected in the mounting shell (71), and the gear (72) being rotated to drive the rack (73) to move so that the limiting rod (75) passes through the rotating seat (6) and is engaged in the limiting groove (74) on the rotating shaft (5); Wherein, the locking mechanism (7) is arranged on the armrest (4).

2. A folding chair with armrests according to claim 1, characterized in that: The locking mechanism (7) further comprises: A rotating rod (76), the rotating rod (76) is rotatably connected in the mounting shell (71), and the rotating rod (76) is fixedly connected to the gear (72); A handle (77), wherein the handle (77) is fixedly connected to one end of the rotating rod (76) extending outward through the mounting shell (71); The gear (72) is meshedly connected with the rack (73), the bottom surface of the rack (73) is slidably connected with the bottom surface of the inner wall of the mounting shell (71), and the right end of the rack (73) is fixedly connected with the limiting rod (75).

3. A folding chair with armrests according to claim 1, characterized in that: A bracket mechanism (8) is provided at the handrail (4).

4. A folding chair with armrests according to claim 3, characterized in that: The support mechanism (8) comprises: A storage groove (81), the storage groove (81) is provided on the upper surface of the armrest (4), and a support plate (82) is rotatably connected in the storage groove (81) via a connecting shaft; An auxiliary plate (83), the auxiliary plate (83) being rotatably connected to a side of the surface of the support plate (82) close to the connecting shaft via a connecting seat; A support frame (84), wherein the support frame (84) is U-shaped, and the front and rear ends of the support frame (84) are respectively rotatably connected to the side walls of the storage slot (81); A rubber sleeve (85), wherein the rubber sleeve (85) is fixedly sleeved on the support frame (84); A plurality of the card seats (86) are fixedly connected to the lower surface of the support plate (82), and the rubber sleeve (85) can be engaged with the card seats (86).

5. A folding chair with armrests according to claim 4, characterized in that: The left end of the support plate (82) is fixedly connected to a magnetic attraction block (9), and the left side wall of the storage slot (81) is fixedly connected to an auxiliary magnetic block (10).

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