Stable dining chair folding joint

Abstract

The utility model belongs to the technical field of dining chairs, and particularly relates to a stable dining chair folding joint which comprises a seat cushion, a back cushion is arranged on one side of a fixing frame, and a connecting seat is arranged on one side of the lower portion of the seat cushion. A folding mechanism is arranged below the cushion, a fixing frame is arranged on one side of the folding mechanism, a stabilizing mechanism is arranged below the cushion, and a fixing seat is arranged on one side of the folding mechanism; the folding mechanism comprises a first frame, a second frame, a connecting rod and a connecting pin, one side of the first frame is movably connected with the second frame, the connecting rod is fixedly connected to one side of the first frame, the connecting pin is sleeved with the second frame, and the folding mechanism is used for being matched with the stabilizing mechanism to form a stable folding joint. The folding mechanism formed by the frame and the connecting rods is linked with the stabilizing mechanism, so that the structural strength of the folding mechanism is higher when the dining chair is unfolded for use, and the stabilizing mechanism can support the seat plate of the dining chair while enhancing the structural strength, so that the stability of the folding joint is improved.

Description

Technical Field

[0001] This utility model relates to the field of dining chair technology, specifically a stable folding joint for dining chairs. Background Technology

[0002] Chairs are a common and frequently used piece of furniture in daily life. Dining chairs are specifically designed for dining and are typically used only during meals, with a relatively fixed usage time. To attract customers, manufacturers usually add soft cushions to dining chairs to improve user comfort. Additionally, to maximize space utilization, dining chairs are often designed to be foldable for easy storage.

[0003] The existing technology has the following problems: In the existing technology, the "simple folding dining chair" with the publication number CN215837988U "includes a dining chair body, the dining chair body is composed of a seat board, a folding frame and a back board, the seat board is disposed on the folding frame, the seat board includes a hard seat cushion and a soft seat cushion, the soft seat cushion is disposed above the hard seat cushion, the soft seat cushion is fixedly connected to the hard seat cushion, the folding frame includes a first support, a second support and a connecting frame, the first support and the second support are both provided with connecting rods on their sides, the first support and the second support are both rotatably connected to the hard seat cushion through the connecting rods, the first support and the second support are provided with movable rods, the first support and the second support are both rotatably connected to the movable rods, the movable rods are provided with connecting blocks, and the movable rods are rotatably connected to the connecting blocks";

[0004] The folding dining chair in the above-mentioned device is composed of a folding frame, a seat, and a back panel. However, due to the relatively simple structure, it lacks a stable support structure, resulting in insufficient stability during use and thus affecting the chair's performance. Utility Model Content

[0005] In view of the shortcomings of the existing technology, this utility model provides a stable folding joint for dining chairs, which solves the problem that the folding structure of existing dining chairs is relatively simple and lacks a stable support mechanism, thus resulting in insufficient stability of the dining chairs.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a stable folding joint for a dining chair, including a seat cushion, wherein a connecting seat is provided on one side below the seat cushion;

[0007] A folding mechanism is provided under the seat cushion, a fixing frame is provided on one side of the folding mechanism, a backrest is provided on one side of the fixing frame, a stabilizing mechanism is provided under the seat cushion, and a fixing seat is provided on one side of the folding mechanism.

[0008] The folding mechanism includes a first frame, a second frame, a connecting rod, and a connecting pin. The second frame is movably connected to one side of the first frame. The connecting rod is fixedly connected to one side of the first frame. The connecting pin is sleeved inside the second frame. The folding mechanism is used to cooperate with the stabilizing mechanism to form a stable folding joint.

[0009] As a preferred embodiment of the present invention, the stabilizing mechanism includes a first support plate, a second support plate, and a hinge. A hinge is fixedly installed on the inner side of one end of the first support plate, and a second support plate is fixedly installed on one side of the hinge.

[0010] As a preferred embodiment of this utility model, the fixing frame and the fixing seat are fixedly installed, and the cushion is fixedly installed on the front surface of the fixing frame.

[0011] As a preferred embodiment of this utility model, the seat cushion is provided with two sets, and a connecting seat is fixedly installed on the lower side of the seat cushion, and the connecting seat is movably connected to the folding mechanism.

[0012] As a preferred embodiment of this utility model, the stabilizing mechanism is located at the lower center of the two sets of seat cushions, and the stabilizing mechanism is movably connected to the folding mechanism.

[0013] As a preferred embodiment of this utility model, connecting rods are fixedly installed on both sides of the interior of the first frame, connecting rods are fixedly installed on both sides of the interior of the second frame, the connecting pin is movably connected between the first frame and the second frame, and the connecting seat is sleeved on the outside of the connecting rod.

[0014] In a preferred embodiment of this utility model, the hinge is movably connected between the first support plate and the second support plate, and the ends of both the first support plate and the second support plate are movably connected to the folding mechanism.

[0015] Compared with the prior art, this utility model provides a stable folding joint for dining chairs, which has the following beneficial effects:

[0016] This type of stable folding joint for a dining chair features a connecting seat installed below the seat. The interior of the connecting seat is movably connected to the connecting rod of the folding mechanism. The folding mechanism consists of a first frame, a second frame, and four sets of connecting rods. The connecting rods enhance the strength of the first and second frames. A stabilizing mechanism, consisting of a first support plate, a second support plate, and a hinge forming a triangular structure, is sleeved around the connecting rods. This triangular structure provides support for the seat cushion when the chair is unfolded, thus cooperating with the folding mechanism to provide a stable folding joint. Furthermore, since the first and second support plates fold with the folding mechanism under the action of the hinges and connecting rods, the usability of the dining chair is further improved. Attached Figure Description

[0017] Figure 1 This is a perspective view of the overall installation structure of a stable dining chair folding joint according to the present invention;

[0018] Figure 2 This is a perspective view of the folding mechanism installation structure of a stable dining chair folding joint according to the present invention.

[0019] Figure 3 This is a perspective view of the installation structure of the stabilizing mechanism of a folding joint of a stable dining chair according to the present invention.

[0020] Figure 4 This is a perspective view of the hinge installation structure of a stable folding joint for a dining chair according to this utility model.

[0021] In the diagram: 1. Seat cushion; 2. Folding mechanism; 21. First frame; 22. Second frame; 23. Connecting rod; 24. Connecting pin; 3. Fixing frame; 4. Backrest; 5. Stabilizing mechanism; 51. First support plate; 52. Second support plate; 53. Hinge; 6. Connecting seat; 7. Fixing seat. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 In this embodiment: a stable dining chair folding joint includes a seat cushion 1, a backrest 4 is provided on one side of the fixing frame 3, and a connecting seat 6 is provided on the lower side of the seat cushion 1.

[0024] A folding mechanism 2 is provided under the seat cushion 1, a fixing frame 3 is provided on one side of the folding mechanism 2, a stabilizing mechanism 5 is provided under the seat cushion 1, and a fixing seat 7 is provided on one side of the folding mechanism 2.

[0025] The folding mechanism 2 includes a first frame 21, a second frame 22, a connecting rod 23, and a connecting pin 24. The second frame 22 is movably connected to one side of the first frame 21. The connecting rod 23 is fixedly connected to one side of the first frame 21. The connecting pin 24 is sleeved inside the second frame 22. The folding mechanism 2 is used to cooperate with the stabilizing mechanism 5 to form a stable folding joint.

[0026] Please see Figure 3 and Figure 4In this embodiment, the stabilizing mechanism 5 includes a first support plate 51, a second support plate 52, and a hinge 53. The hinge 53 is fixedly installed on the inner side of one end of the first support plate 51, and the second support plate 52 is fixedly installed on one side of the hinge 53.

[0027] In the above embodiment, the first support plate 51 and the second support plate 52 can be connected by the hinge 53. At the same time, the hinge 53 itself can make the first support plate 51 and the second support plate 52 move, so as to cooperate with the lower folding mechanism 2 to fold.

[0028] Furthermore, the hinge 53 is movably connected between the first support plate 51 and the second support plate 52, and the ends of both the first support plate 51 and the second support plate 52 are movably connected to the folding mechanism 2.

[0029] Through the movable connection between the first support plate 51 and the connecting rod 23 of the second frame 22, and the movable connection between the second support plate 52 and the connecting rod 23 of the first frame 21, the stabilizing mechanism 5 can be driven to unfold synchronously to provide stable support for the dining chair when the folding mechanism 2 unfolds the dining chair.

[0030] Please see Figure 1 and Figure 2 In this embodiment, the fixing frame 3 and the fixing base 7 are fixedly installed, and the cushion 4 is fixedly installed on the front surface of the fixing frame 3.

[0031] In the above embodiment, the cushion 4 can be installed and fixed by the fixing frame 3, and the fixing frame 3 and the cushion 4 can form a chair back. At the same time, the fixing frame 3 can be connected to the folding mechanism 2 by the fixing seat 7.

[0032] Specifically, the seat cushion 1 is provided with two sets of connecting seats 6, which are fixedly installed on the lower side of the seat cushion 1 and are movably connected to the folding mechanism 2.

[0033] The two sets of seat cushions 1 can be folded down by the folding mechanism 2, and when the folding mechanism 2 is unfolded, the two sets of seat cushions 1 can form a complete dining chair seat.

[0034] Please see Figure 1 , Figure 2 and Figure 3 In this embodiment, connecting rods 23 are fixedly installed on both sides of the inside of the first frame 21, connecting rods 23 are fixedly installed on both sides of the inside of the second frame 22, connecting pins 24 are movably connected between the first frame 21 and the second frame 22, and connecting seats 6 are sleeved on the outside of the connecting rods 23.

[0035] In the above embodiment, the overall structural strength of the folding mechanism 2 can be improved by the connecting rod 23 installed inside the first frame 21 and the second frame 22, thereby further improving the folding joint strength of the dining chair.

[0036] As can be further explained, the stabilizing mechanism 5 is located in the lower center of the two sets of seat cushions 1, and the stabilizing mechanism 5 is movably connected to the folding mechanism 2.

[0037] The working principle and usage process of this utility model: The operator pulls the first frame 21 and the second frame 22 to both sides, and thus, under the action of the connecting rod 23 and the lower connecting seat 6, the two sets of seat cushions 1 are horizontally aligned. At the same time, as the first frame 21 and the second frame 22 move, the connecting rod 23 below them can respectively drive the first support plate 51 and the second support plate 52 to move outward, thereby cooperating with the action of the lower hinge 53 to unfold the stabilizing mechanism 5. The unfolding of the stabilizing mechanism 5 can support the seat cushion 1 through the first support plate 51 and the second support plate 52. Therefore, under the action of the stabilizing mechanism 5, the folding joint of the dining chair is more stable, thereby improving the stability of the dining chair in use.

[0038] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A stable folding joint for a dining chair, comprising a seat cushion (1), wherein a connecting seat (6) is provided on one side below the seat cushion (1), characterized in that: A folding mechanism (2) is provided below the cushion (1), a fixing frame (3) is provided on one side of the folding mechanism (2), a backrest (4) is provided on one side of the fixing frame (3), a stabilizing mechanism (5) is provided below the cushion (1), and a fixing seat (7) is provided on one side of the folding mechanism (2). The folding mechanism (2) includes a first frame (21), a second frame (22), a connecting rod (23), and a connecting pin (24). The second frame (22) is movably connected to one side of the first frame (21). The connecting rod (23) is fixedly connected to one side of the first frame (21). The connecting pin (24) is sleeved inside the second frame (22). The folding mechanism (2) is used to cooperate with the stabilizing mechanism (5) to form a stable folding joint.

2. The stable folding joint of a dining chair according to claim 1, characterized in that: The stabilizing mechanism (5) includes a first support plate (51), a second support plate (52), and a hinge (53). The hinge (53) is fixedly installed on the inner side of one end of the first support plate (51), and the second support plate (52) is fixedly installed on one side of the hinge (53).

3. The stable folding joint of a dining chair according to claim 1, characterized in that: The fixing frame (3) is fixedly installed with the fixing seat (7), and the cushion (4) is fixedly installed on the front surface of the fixing frame (3).

4. The stable folding joint of a dining chair according to claim 1, characterized in that: The cushion (1) is provided in two sets. A connecting seat (6) is fixedly installed on the lower side of the cushion (1). The connecting seat (6) is movably connected to the folding mechanism (2).

5. A stable folding joint for a dining chair according to claim 1, characterized in that: The stabilizing mechanism (5) is located at the lower center of the two sets of cushions (1), and the stabilizing mechanism (5) is movably connected to the folding mechanism (2).

6. The stable folding joint of a dining chair according to claim 1, characterized in that: Connecting rods (23) are fixedly installed on both sides of the inside of the first frame (21), and connecting rods (23) are fixedly installed on both sides of the inside of the second frame (22). The connecting pin (24) is movably connected between the first frame (21) and the second frame (22), and the connecting seat (6) is sleeved on the outside of the connecting rod (23).

7. A stable folding joint for a dining chair according to claim 2, characterized in that: The hinge (53) is movably connected between the first support plate (51) and the second support plate (52), and the ends of the first support plate (51) and the second support plate (52) are movably connected to the folding mechanism (2).

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