Dining chair with folding function

By designing fixed and support components on the dining chair, the instability and tipping problems during use are solved, achieving stable use and convenient storage.

CN223886538UActive Publication Date: 2026-02-10ANJI CHAOMING FURNITURE CO LTD
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Patent Information

Application Number
CN202422957484.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2026-02-10
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Existing dining chairs are prone to accidental folding and instability during use, leading to tipping over.

Method used

The design employs fixed and support components, utilizing stoppers, springs, and knobs to limit seat deformation and support the seat, ensuring stability in use and preventing movement when folded.

Benefits of technology

It achieves stability during use and folding, preventing accidental folding and tipping, and facilitating subsequent storage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dining chairs, in particular to a dining chair with a folding function. Comprising a main support, a rotating frame arranged on one side of the main support and a seat plate arranged on the main support, and further comprises a fixing assembly, and the fixing assembly comprises a retainer arranged on the main support, a first guide rail arranged at the bottom of the retainer, a first spring arranged on the first guide rail in a sleeving mode, a pressing plate arranged on one side of the retainer and a connecting column arranged on the main support; each supporting assembly comprises a supporting frame arranged at the bottoms of the main support and the rotating frame, a pair of second guide rails arranged on one side of the supporting frame, a third spring arranged at one end of each second guide rail, and a first rotary knob arranged on the main support and the rotating frame. Compared with the prior art, the chair has the advantages that the shape of the chair can be stably kept, the shape of the chair cannot be changed accidentally, and the chair is more stable in use.
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Description

Technical Field

[0001] This utility model relates to the field of dining chair technology, specifically to a dining chair with folding and unfolding functions. Background Technology

[0002] Foldable dining chairs are highly practical pieces of furniture, saving space in the home and providing a convenient dining experience. When not in use, they can be folded up for easy storage in small spaces, such as a kitchen corner or sideboard. Their foldable design also makes them portable, ideal for picnics, outdoor activities, or as temporary seating. These chairs are typically made of lightweight yet sturdy materials, such as aluminum alloy, plastic, or high-quality wood, to ensure durability and portability. The folding and unfolding mechanism should be simple and intuitive, allowing for quick and easy operation.

[0003] The following drawbacks were discovered during subsequent use:

[0004] 1. Seats with folding functions are prone to accidental folding during normal use, and after folding, there is a lack of necessary restraint on some parts, making it impossible for the seat to maintain a stable state;

[0005] 2. Because the seat relies on the bottom of the support frame to contact the ground, the contact area between the bottom of the seat and the ground is small, making the seat easy to tip over.

[0006] Therefore, based on this, we studied and improved the existing structure and proposed a dining chair with folding and unfolding functions. Utility Model Content

[0007] The technical problem this invention aims to solve is that the seat cannot be guaranteed to be in good working order and is prone to tipping over during normal use.

[0008] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a dining chair with folding and unfolding function, including a main support, a rotating frame rotatably disposed on one side of the main support, a seat plate rotatably disposed on the main support, and a fixing component, the fixing component fixing the state of the dining chair, and a pair of support components, the pair of support components being respectively disposed at the bottom of the main support and the rotating frame.

[0009] As a further embodiment of this utility model: the fixing component includes a stop that is slidably disposed on the main bracket, a guide rail fixedly disposed at the bottom of the stop, a first spring fixedly sleeved on the guide rail, a button plate fixedly disposed on one side of the stop, a connecting column fixedly disposed on the main bracket, a connector that is slidably disposed on the connecting column, and a second spring fixedly sleeved on the connecting column.

[0010] As a further embodiment of this utility model: the main bracket is provided with a movable groove for the stop to move, and a sliding groove is provided at the bottom of the movable groove for the guide rail to slide. The push plate passes through one side of the movable groove, and a sliding groove is provided on one side of the sliding groove for the push plate to slide. One end of the first spring is fixedly mounted on the stop, and the other end is fixedly mounted at the bottom of the movable groove.

[0011] As a further embodiment of this utility model: one end of the second spring is fixedly mounted on the main support, and the other end is fixedly mounted on the connecting member. A stop post is provided on the rotating frame, and a through hole is provided on the connecting member for the stop post to slide.

[0012] As a further embodiment of this utility model: the support assembly includes a support frame slidably disposed at the bottom of the main support and the rotating frame, a pair of guide rails fixedly disposed on one side of the support frame, a third spring fixedly disposed at one end of the guide rails, and a first knob threadedly disposed on the main support and the rotating frame.

[0013] As a further embodiment of this utility model: the bottom of the main support and the rotating frame is provided with a sliding groove for the guide rail two to slide and a threaded groove for the corresponding first knob thread to rotate through.

[0014] As a further embodiment of this utility model: a pair of guide rails are fixedly provided on one side of the seat plate, and the main support and the rotating frame are both provided with sliding grooves for the guide rails to move. One end of one of the guide rails is fixedly provided with a threaded post, and a second knob is rotatably provided on the threaded post.

[0015] Compared with the prior art, the advantages of this utility model are as follows:

[0016] 1. This utility model uses a fixing component to restrict the deformation of the seat, so that the seat can be stably maintained in the use state when in use and will not be accidentally folded. When not in use, the seat can also be stably maintained in the folded state and no parts will move, thus facilitating the subsequent storage of the seat.

[0017] 2. This utility model strengthens the contact between the seat and the ground by setting up a support component and using a support frame, thereby enhancing the stability of the seat during use and preventing the seat from tipping over. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the overall structure of a dining chair with folding and unfolding function according to this utility model. Figure 1 .

[0020] Figure 2 This is a partial structural diagram of a dining chair with folding and unfolding function according to the present invention. Figure 1 .

[0021] Figure 3 This is a partial structural diagram of a dining chair with folding and unfolding function according to the present invention. Figure 2 .

[0022] Figure 4 This is a schematic diagram of the overall structure of a dining chair with folding and unfolding function according to this utility model. Figure 2 .

[0023] In the attached image:

[0024] 1. Main support; 2. Rotating frame; 3. Seat plate; 4. Fixing assembly; 4.1. Stop; 4.2. First spring; 4.3. Button plate; 4.4. Connecting column; 4.5. Connecting piece; 4.6. Second spring; 4.7. Second knob; 5. Support assembly; 5.1. Support frame; 5.2. Third spring; 5.3. First knob. Detailed Implementation

[0025] 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.

[0026] As per the instruction manual Figure 1 , 2 As shown in Figure 4, a folding and unfolding dining chair includes a main support 1, a rotating frame 2 rotatably mounted on one side of the main support 1, a seat 3 rotatably mounted on the main support 1, a fixing component 4 for fixing the dining chair, and a pair of support components 5, which are respectively located at the bottom of the main support 1 and the rotating frame 2. A connecting seat for rotatably connecting the rotating frame 2 is provided on one side of the main support 1. A pair of guide rails 3 are fixedly mounted on one side of the seat 3. Both the main support 1 and the rotating frame 2 are provided with sliding grooves 4 for the guide rails 3 to move. One end of one of the guide rails 3 is fixedly mounted with a threaded post, and a second knob 4.7 is rotatably mounted on the threaded post. The second knob 4.7 abuts against the rotating frame 2, restricting the movement of the seat 3 along the sliding groove 4.

[0027] As per the instruction manual Figure 1 , 2As shown in Figure 4, the fixing assembly 4 includes a stop 4.1 slidably mounted on the main support 1, a guide rail 1 fixedly mounted at the bottom of the stop 4.1, a first spring 4.2 fixedly sleeved on the guide rail 1, a push plate 4.3 fixedly mounted on one side of the stop 4.1, a connecting column 4.4 fixedly mounted on the main support 1, a connecting piece 4.5 slidably mounted on the connecting column 4.4, and a second spring 4.6 fixedly sleeved on the connecting column 4.4. The main support 1 is provided with a movable groove for the stop 4.1 to move. The stop 4.1 is triangular in shape. When the guide rail 3 on one side of the seat plate 3 moves from the rotating frame 2 to the main support 1, the guide rail 3 will first contact the inclined shape of the stop 4.1, squeezing the stop 4.1 and compressing the first spring 4.2 at the bottom of the stop 4.1. When the guide rail 3 reaches the sliding groove 4 on the main support 1, the stop 4.1 will return to its original position under the action of the first spring 4.2, restricting the movement of the guide rail 3, and thus restricting the movement of the seat plate 3. A sliding groove is provided at the bottom of the movable groove for the guide rail to slide. A pressing plate 4.3 passes through one side of the movable groove. A sliding groove is provided on one side of the sliding groove for the pressing plate 4.3 to slide. One end of the first spring 4.2 is fixedly mounted on the stop 4.1, and the other end is fixedly mounted on the bottom of the movable groove. One end of the second spring 4.6 is fixedly mounted on the main support 1, and the other end is fixedly mounted on the connector 4.5. A stop post is provided on the rotating frame 2. A through hole is provided on the connector 4.5 for sliding connection of the stop post. The rotation of the rotating frame 2 is restricted by the sliding connection between the connector 4.5 and the stop post on the rotating frame 2.

[0028] As per the instruction manual Figure 1 , 2 As shown in Figure 3, the support assembly 5 includes a support frame 5.1 slidably mounted at the bottom of the main support 1 and the rotating frame 2, a pair of guide rails 2 fixedly mounted on one side of the support frame 5.1, a third spring 5.2 fixedly mounted at one end of the guide rails 2, and a first knob 5.3 threadedly mounted on the main support 1 and the rotating frame 2. The bottom of the main support 1 and the rotating frame 2 is provided with a sliding groove 3 for the guide rails 2 to slide through and a threaded groove through which the corresponding first knob 5.3 threadedly rotates. The bottom of the first knob 5.3 abuts against the support frame 5.1. Rotating the first knob 5.3 will cause the support frame 5.1 to move, simultaneously extending the third spring 5.2. After rotating the first knob 5.3 in the opposite direction, the third spring 5.2 will cause the support frame 5.1 to return to its original position.

[0029] The working principle of this utility model:

[0030] Press down on the button plate 4.3, which will cause the stop 4.1 to move downward. At the same time, the guide rail at the bottom of the stop 4.1 will move along the slide groove, compressing the first spring 4.2. Then move the seat plate 3 so that the guide rail 3 moves along the slide groove 4 to the rotating frame 2. Then pull the connector 4.5 on the connecting column 4.4 at the bottom of the main support 1 so that the connector 4.5 separates from the stop column on the rotating frame 2. Then continue to move the seat plate 3, which will drive the rotating frame 2 to move through the pair of guide rails 3 on the seat plate 3 until the seat plate 3 reaches a horizontal state. Then turn the second knob 4.7 to restrict the movement of the seat plate 3.

[0031] Rotate the corresponding first knob 5.3 to move it along the threaded groove. Since the bottom of the first knob 5.3 abuts against the support frame 5.1, it will drive the support frame 5.1 to move and stretch the third spring 5.2. When the support frame 5.1 contacts the ground, stop rotating the first knob 5.3 and repeat the above steps to make the other support frame 5.1 abut against the ground, so that the seat can be stabilized by the pair of support frames 5.1.

[0032] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A dining chair with folding and unfolding function, comprising a main support (1), a rotating frame (2) rotatably disposed on one side of the main support (1), and a seat (3) rotatably disposed on the main support (1), characterized in that: It also includes a fixing component (4) for fixing the state of the dining chair, and a pair of support components (5) respectively located at the bottom of the main support (1) and the rotating frame (2).

2. A dining chair with folding and unfolding function according to claim 1, characterized in that: The fixing component (4) includes a stop (4.1) slidably disposed on the main support (1), a guide rail (4.1) fixedly disposed at the bottom of the stop (4.1), a first spring (4.2) fixedly sleeved on the guide rail (4.1), a push plate (4.3) fixedly disposed on one side of the stop (4.1), a connecting column (4.4) fixedly disposed on the main support (1), a connector (4.5) slidably disposed on the connecting column (4.4), and a second spring (4.6) fixedly sleeved on the connecting column (4.4).

3. A dining chair with folding and unfolding function according to claim 2, characterized in that: The main support (1) is provided with a movable groove for the stop (4.1) to move. At the bottom of the movable groove, there is a sliding groove for the guide rail to slide. The push plate (4.3) passes through one side of the movable groove. On one side of the movable groove, there is a sliding groove for the push plate (4.3) to slide. One end of the first spring (4.2) is fixedly mounted on the stop (4.1), and the other end is fixedly mounted at the bottom of the movable groove.

4. A dining chair with folding and unfolding function according to claim 3, characterized in that: One end of the second spring (4.6) is fixedly mounted on the main bracket (1), and the other end is fixedly mounted on the connector (4.5). The rotating frame (2) is provided with a stop post, and the connector (4.5) is provided with a through hole for the stop post to slide.

5. A dining chair with folding and unfolding function according to claim 1, characterized in that: The support assembly (5) includes a support frame (5.1) slidably disposed at the bottom of the main support (1) and the rotating frame (2), a pair of guide rails fixedly disposed on one side of the support frame (5.1), a third spring (5.2) fixedly disposed at one end of the guide rails, and a first knob (5.3) threadedly disposed on the main support (1) and the rotating frame (2).

6. A dining chair with folding and unfolding function according to claim 5, characterized in that: The main support (1) and the rotating frame (2) are provided with a sliding groove 3 for the guide rail 2 to slide and a threaded groove for the corresponding first knob (5.3) to rotate through.

7. A dining chair with folding and unfolding function according to claim 6, characterized in that: A pair of guide rails are fixedly installed on one side of the seat plate (3). The main support (1) and the rotating frame (2) are both provided with sliding grooves for the guide rails to move. One end of one of the guide rails is fixedly provided with a threaded column, and a second knob (4.7) is rotatably provided on the threaded column.