Buckle structure for folding table and chair
By using the interlocking mechanism between the bottom latches and the diagonal support rod, along with the assistance of a gas spring, the stability issue of folding tables and chairs during outdoor use is resolved, achieving a secure connection and improving safety and lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-03-24
AI Technical Summary
Existing folding table and chair buckle structures are difficult to provide sufficient stability during use, especially outdoors or during frequent use, they are prone to loosening and falling off, affecting safety and user experience.
The table uses a buckle at the bottom of the table to connect with the diagonal support rod. The plug rod matches the plug interface, and the square tube has a slot and a limiting plate to strengthen the fixation of the support legs and diagonal support rod. Gas springs are used to assist in unfolding and folding, and a reinforcement frame is added to enhance the connection strength.
It improves the stability and safety of tables and chairs, ensuring they do not wobble under external forces such as wind, extends their service life, provides reliable locking and stabilizing force, and protects user safety.
Smart Images

Figure CN224032892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to furniture fittings technical field especially a buckle structure for folding table and chair. BACKGROUND
[0002] Furniture fittings, namely the auxiliary part of furniture in decoration, wherein the folding table is the table that can have folding function, and the folding table is generally steel wood structure, and the characteristic is convenient folding, and convenient transportation, in order to realize the quick folding and unfolding of table and chair, and guarantee the stable structure after folding, and buckle structure will be used.
[0003] The folding table and chair have been widely used in daily life and various activities because of the advantages of saving space and being convenient to carry, and the performance of buckle structure as the key part of folding table and chair directly affects the use experience and safety of folding table and chair, at present, the existing folding table and chair buckle structure on the market has many problems, the common folding table and chair buckle structure is difficult to provide enough stability when unfolding and using, for example, some simple plug-in buckle is easy to loosen or even fall off when being collided or pressed by external force, causes the table and chair to shake, affects the safety and experience of users, especially in the scene of outdoor picnic or frequent use, the problem of insufficient stability is more prominent, therefore, we provide a buckle structure for folding table and chair to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a buckle structure for folding table and chair to solve the problems in the background art.
[0005] In order to achieve the above object, the utility model provides the following technical scheme:
[0006] A buckle structure for folding table and chair, including table body and buckle piece fixedly installed at the bottom of the table body, the bottom surface of the table body is hinged with a plurality of support legs and a plurality of gas springs through hinges, the telescopic end of each gas spring is hinged with a support leg through a hinge, the outer surface of each support leg is hinged with an inclined strut through a pin shaft, the outer surface of each inclined strut is provided with a plug-in interface, the buckle piece includes two square tubes fixedly installed at the bottom of the table body, the inner wall of each square tube is fixedly connected with a fixed plate, the outer surface of each fixed plate is fixedly connected with two round sliding rods, the outer surface of each round sliding rod is slidingly connected with a sliding plate, the outer surface of each sliding plate is fixedly connected with a spring and a transmission rod, the end of each spring away from the sliding plate is fixedly connected with the outer surface of the fixed plate, one end of each transmission rod is fixedly connected with a plug-in rod, and the end of the plug-in rod is tapered and matched with the plug-in interface.
[0007] In further embodiments, the outer surface of each square cylinder is provided with a clamping groove matched with the inclined support rod, and the outer surface of each square cylinder is fixedly connected with a limiting plate.
[0008] In further embodiments, the two adjacent side faces of the square cylinders are fixedly connected with a reinforcing frame, and the reinforcing frame is in the shape of an I-beam.
[0009] In further embodiments, the outer surface of each sliding plate is fixedly connected with a T-shaped pushing rod, and each T-shaped pushing rod extends to the outside of the square cylinder.
[0010] In further embodiments, the outer surface of each square cylinder is provided with a first through hole, and the transmission rod is in sliding connection with the first through hole.
[0011] In further embodiments, the outer surface of each square cylinder is provided with a second through hole.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] The plug-in rod in the buckle member cooperates with the plug-in port on the inclined support rod, and the clamping groove on the square cylinder is matched with the inclined support rod, so that the support leg and the inclined support rod can be firmly fixed when the table and chair are unfolded, the stability of the table and chair is greatly enhanced, the folding table and chair can be used in an outdoor windy environment, the stable buckle structure can ensure that the table and chair will not be tilted and fallen due to wind shaking, good clamping stability is provided, the safety of the user is ensured, the reliability of the buckle structure is ensured, and the service life of the table and chair is prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view of the buckle structure for the folding table and chair;
[0015] Figure 2 It is a bottom view of the buckle structure for the folding table and chair;
[0016] Figure 3 It is a bottom view of the buckle structure for the folding table and chair;
[0017] Figure 4 It is a bottom view of the buckle structure for the folding table and chair.
[0018] In the drawing: 1, table body; 2, gas spring; 3, support leg; 4, inclined support rod; 5, buckle member; 501, square cylinder; 502, fixed plate; 503, round sliding rod; 504, sliding plate; 505, spring; 506, transmission rod; 507, plug-in rod; 508, T-shaped pushing rod; 6, reinforcing frame; 7, plug-in port; 8, clamping groove; 9, limiting plate; 10, first through hole; 11, second through hole. DETAILED DESCRIPTION
[0019] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0020] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0021] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Please refer to Figures 1-4The utility model discloses a buckle structure for folding table and chair, including table body 1 and fixed installation buckle piece 5 of table body 1 bottom, the bottom surface of table body 1 is hinged with a plurality of support legs 3 and a plurality of gas springs 2 through the hinge, and the telescopic end of each gas spring 2 is hinged with support leg 3 through the hinge, and the outer surface of each support leg 3 is hinged with inclined strut 4 through pin shaft, and the outer surface of each inclined strut 4 is provided with the insertion port 7, and the gas spring 2 assists the unfolding and folding of support leg 3, so that the whole folding table and chair operation is simple and convenient, improves the folding and the efficiency of unfolding, and the gas spring 2 is an industrial accessory that can support, buffer, brake, height adjustment and angle adjustment, and its gas spring 2 thrust is greater than spring 505 reset force × 1.5, and the principle is that inert gas or oil gas mixture is filled in the closed pressure cylinder, the pressure in the cavity is higher than several times or several dozens times of atmospheric pressure, the pressure difference generated by the cross-sectional area of piston rod being less than the cross-sectional area of piston is used to realize the movement of piston rod, and the buckle piece 5 includes two square tubes 501 fixedly installed on the bottom surface of table body 1, the inner wall of each square tube 501 is fixedly connected with fixed plate 502, the outer surface of each fixed plate 502 is fixedly connected with two round slide rods 503, the outer surface of each round slide rod 503 is slidingly connected with sliding plate 504, the outer surface of each sliding plate 504 is fixedly connected with spring 505 and transmission rod 506, one end of each spring 505 away from sliding plate 504 is fixedly connected with the outer surface of fixed plate 502, and one end of each transmission rod 506 is fixedly connected with insertion rod 507, and the end of insertion rod 507 is tapered and matched with insertion port 7, the square tube 501 in buckle piece 5, fixed plate 502, round slide rod 503, sliding plate 504, spring 505, transmission rod 506 and insertion rod 507 cooperate with each other, build the basis of folding table and chair buckle structure, realize the connection with inclined strut 4, fix support leg 3, provide stable support for table and chair, after the user unfolds support leg 3 and inclined strut 4, insertion rod 507 in buckle piece 5 is inserted into insertion port 7 of inclined strut 4 automatically under the action of spring 505, the fixation of table and chair is completed, and the table and chair can be placed stably.
[0023] The outer surface of each square cylinder 501 is provided with a clamping groove 8 matched with the inclined support rod 4, and the outer surface of each square cylinder 501 is fixedly connected with a limiting plate 9, the clamping groove 8 is matched with the inclined support rod 4, and the stability of the inclined support rod 4 in the unfolded state is further enhanced, the inclined support rod 4 is prevented from shaking in the horizontal direction, the limiting plate 9 plays a limiting role on the inclined support rod 4, the excessive movement of the inclined support rod 4 is avoided, the reliability of the buckle structure is ensured, the side surfaces of two adjacent square cylinders 501 are fixedly connected with a reinforcing frame 6, the reinforcing frame 6 is in the shape of an I-shaped section, the reinforcing frame 6 enhances the connection strength between the two square cylinders 501, the buckle structure is more stable, when the table and chair bear a large pressure, the reinforcing frame 6 can effectively disperse the pressure, the square cylinder 501 is prevented from being deformed or damaged, and the service life of the buckle structure is prolonged.
[0024] The outer surface of each sliding plate 504 is fixedly connected with a T-shaped driving rod 508, each T-shaped driving rod 508 extends to the outside of the square cylinder 501, the driving direction of the T-shaped driving rod 508 is perpendicular to the movement axis of the plug-in rod 507, the outer surface of each square cylinder 501 is provided with a second through opening 11, the T-shaped driving rod 508 facilitates manual operation of the sliding plate 504 by a user, and then the plug-in of the plug-in rod 507 is controlled, the user can easily realize opening and closing of the buckle by driving the T-shaped driving rod 508, the operation is simple and convenient, the use convenience of the folding table and chair is improved, the T-shaped driving rod 508 can slide along the second through opening 11, the stability of movement is improved, the outer surface of each square cylinder 501 is provided with a first through opening 10, and the transmission rod 506 is in sliding connection with the first through opening 10, the first through opening 10 provides a channel for movement of the transmission rod 506, so that the transmission rod 506 can smoothly drive the plug-in rod 507 to move under the drive of the sliding plate 504, normal work of the buckle is realized, the transmission rod 506 is prevented from being hindered in the movement process, quick connection of the buckle is ensured, and operation efficiency is improved.
[0025] The working principle of the utility model is:
[0026] The user unfolds the supporting leg 3 and the inclined support rod 4, inserts the inclined support rod 4 into the clamping groove 8 in the buckle 5, drives the T-shaped driving rod 508 to move the sliding plate 504 along the round sliding rod 503 to the direction of the fixed plate 502, generates pressure on the spring 505, releases the T-shaped driving rod 508 after the inclined support rod 4 is inserted into the clamping groove 8, the transmission rod 506 and the plug-in rod 507 are reset under the elastic action of the spring 505, the plug-in rod 507 is inserted into the plug-in port 7 of the inclined support rod 4, and firm fixing of the table and chair in the unfolded state is completed, in the dismounting process, the plug-in rod 507 is moved reversely, the fixing of the inclined support rod 4 is released, and then the supporting leg 3 and the inclined support rod 4 are folded.
[0027] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments should, therefore, be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalents of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims concerned.
[0028] Furthermore, it should be understood that although the present specification describes exemplary embodiments, the application is not limited to only one independent technical solution in each embodiment, and the specification is described in this way only for the sake of clarity. A person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.
Claims
1. A buckle structure for folding a table-chair, characterized by: The utility model relates to a table body (1) and buckle spare (5) fixed installation in the bottom of table body (1), the bottom surface of table body (1) is hinged with a plurality of support legs (3) and a plurality of gas springs (2) through hinge, and the telescopic end of each gas spring (2) is hinged with support leg (3) through hinge, and the outer surface of each support leg (3) is hinged with inclined strut (4) through pin shaft, and the outer surface of each inclined strut (4) is provided with the insertion interface (7), and the buckle spare (5) includes two square tubes (501) fixedly installed in the bottom of table body (1), the inner wall of each square tube (501) is fixedly connected with fixed plate (502), the outer surface of each fixed plate (502) is fixedly connected with two round slide rods (503), the outer surface of each round slide rod (503) is slidably connected with sliding plate (504), the outer surface of each sliding plate (504) is fixedly connected with spring (505) and transmission rod (506), and the end, away from sliding plate (504) of each spring (505) is fixedly connected with the outer surface of fixed plate (502), and one end of each transmission rod (506) is fixedly connected with insertion rod (507), and the end of insertion rod (507) is tapered, and matches with insertion interface (7).
2. The buckle structure for folding table-chair according to claim 1, characterized in that: The outer surface of each square tube (501) is provided with clamping groove (8) matched with inclined strut (4), and the outer surface of each square tube (501) is fixedly connected with limiting plate (9).
3. The buckle structure for folding table-chair according to claim 1, characterized in that: Two square tubes (501) adjacent side are fixedly connected with reinforcing frame (6) in common, and reinforcing frame (6) is in the shape of H.
4. The buckle structure for folding table-chair according to claim 1, characterized in that: The outer surface of each sliding plate (504) is fixedly connected with T-shaped driving lever (508), and each T-shaped driving lever (508) extends to the outside of square tube (501).
5. The buckle structure for folding table-chair according to claim 1, characterized in that: The outer surface of each square tube (501) is provided with first through -hole (10), and transmission rod (506) is slidably connected with first through -hole (10).
6. The buckle structure for folding table-chair according to claim 1, characterized in that: The outer surface of each square tube (501) is provided with second through -hole (11).