Connecting buckle structure with folding function

Abstract

The utility model relates to a connecting buckle structure with a folding function, which belongs to the technical field of folding connecting pieces, and comprises a connecting rod I and a connecting rod II, a folding connecting buckle component is arranged between the connecting rod I and the connecting rod II, a folding adjusting block and an adjusting positioning shaft are arranged in the folding connecting buckle component, and the folding adjusting block is connected with the adjusting positioning shaft. The folding adjusting block and the folding connecting buckle assembly are movably fixed through a rotating shaft, and an adjusting positioning shaft is adopted to conduct blocking connection positioning on the folding connecting buckle assembly. The folding connecting buckle assembly comprises a connecting buckle I and a connecting buckle II, the front end of the connecting buckle I and the connecting rod II are of an extending attaching structure, and the front end of the connecting buckle II and the connecting rod I are of an extending attaching structure. The utility model has the characteristics of compact structure, high structural strength, light weight and long service life. The folding connecting piece ensures the strength and achieves light weight at the same time. By increasing the effective welding length and reasonably designing the connecting shape of the connecting piece, the effects of thinning and light weight are achieved, the cost is reduced, and the profit is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of folding connecting pieces, and particularly relates to a connecting buckle structure with a folding function. Background Technique

[0002] In the prior art, folding furniture is increasingly adopted. After folding the furniture, it is convenient to transport and occupies a small volume, which is convenient for storage. However, in the existing technology, the folding mechanism for furniture has many part names and a complex structure. Most of them are controlled by return springs, resulting in reduced use performance and prone to failures, making the furniture unable to be folded up. Moreover, for the existing folding mechanism, the flatness of the furniture after unfolding is not high, and it is prone to shaking.

[0003] Chinese Patent "An Efficient and Safe Furniture Folding Connecting Piece", with the application number CN201310425989.6, discloses including a left matching piece and a right matching piece, and the left matching piece and the right matching piece are controlled to fold through a folding adjustment core mechanism. The side plate of the left matching piece 1 of this structure is a folding piece, which is inserted and welded with the rod member, and there will be a defect of tensile deformation during use. The welding length dimensions of the left matching piece 1 and the rod member, and the welding of the right matching piece 2 and the rod member are limited, affecting the structural strength during use. Summary of the Invention

[0004] The utility model mainly solves the deficiencies existing in the prior art, and provides a connecting buckle structure with a folding function, which has the characteristics of compact structure, high structural strength, light weight and long service life. It solves the problem of realizing lightweight while ensuring the strength of the folding connecting piece. By increasing the effective welding length and reasonably designing the connection shape of the connecting piece, the effect of thinning and lightweight is achieved, and the cost is reduced and the profit is increased.

[0005] The above technical problems of the utility model are mainly solved by the following technical solutions:

[0006] A connecting buckle structure with a folding function includes a connecting rod Ⅰ and a connecting rod Ⅱ. A folding connecting buckle assembly is arranged between the connecting rod Ⅰ and the connecting rod Ⅱ. A folding adjustment block and an adjustment positioning shaft are arranged in the folding connecting buckle assembly. The folding adjustment block is movably fixed to the folding connecting buckle assembly through a rotating shaft, and the adjustment positioning shaft is used for blocking and positioning on the folding connecting buckle assembly; the folding connecting buckle assembly includes a connecting buckle Ⅰ and a connecting buckle Ⅱ. The front end of the connecting buckle Ⅰ is in an extended fitting structure with the connecting rod Ⅱ, and the front end of the connecting buckle Ⅱ is in an extended fitting structure with the connecting rod Ⅰ.

[0007] Preferably, the front end of the connecting buckle Ⅰ is provided with a welding bending edge which is welded and fixed in a fitting manner with the connecting rod Ⅱ, and the welding bending edge and the connecting buckle Ⅰ are in an integrated flanging structure.

[0008] Preferably, a positioning hole is provided at the lower part of the front end of the connecting buckle I, and a positioning pin that is press-fitted with the connecting rod II is provided in the positioning hole.

[0009] Preferably, the connecting buckle I includes a bottom plate II, and ear plates II are provided on both sides of the bottom plate II; the connecting buckle II includes a bottom plate I, and ear plates I are provided on both sides of the bottom plate I; folding shaft holes that are inserted with a rotating shaft are provided on the ear plates I and the ear plates II.

[0010] Preferably, a welded connection side plate I is provided between the ear plate I and the bottom plate I, an adjusting waist-shaped hole is provided on the welded connection side plate I, a folding limit groove is provided at the lower end of the rear part of the ear plate I, and the adjusting positioning shaft is blocked and positioned through the adjusting waist-shaped hole and the folding limit groove.

[0011] Preferably, the welded connection side plate I extends out of the front end of the bottom plate I in a trapezoidal structure, and the welded connection side plate I is fixedly welded to the connecting rod I in an inserted manner.

[0012] Preferably, a welded connection side plate II is provided between the ear plate II and the bottom plate II, and the welded connection side plate II extends out of the front end of the bottom plate II in a trapezoidal structure.

[0013] Preferably, the distance between the two outer end faces of the ear plate I is smaller than the distance between the two inner walls of the ear plate II.

[0014] Preferably, the cross sections of the connecting buckle I and the connecting buckle II are in a "U" - shaped structure, and the connecting buckle I and the connecting buckle II are integrally bent members.

[0015] The utility model can achieve the following effects:

[0016] The utility model provides a connecting buckle structure with a folding function. Compared with the prior art, it has the characteristics of compact structure, high structural strength, light weight and long service life. It solves the problem of realizing light weight while ensuring the strength of the folding connecting piece. By increasing the effective welding length and reasonably designing the connection shape of the connecting piece, the effect of thinning and lightening is achieved, the cost is reduced and the profit is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the structural schematic diagram of the utility model when unfolded.

[0018] Figure 2 is the structural schematic diagram of the utility model when folded.

[0019] Figure 3 is the structural schematic diagram of the folding connection buckle assembly in the utility model.

[0020] Figure 4 is the side - view structural schematic diagram of the connecting buckle II in the utility model.

[0021] Figure 5 It is a front view structural schematic diagram of the connecting buckle II in the present utility model.

[0022] Figure 6 It is a side view structural schematic diagram of the connecting buckle I in the present utility model.

[0023] Figure 7 It is a front view structural schematic diagram of the connecting buckle I in the present utility model.

[0024] In the figure: connecting rod I 1, adjusting positioning shaft 2, folding adjusting block 3, rotating shaft 4, folding connecting buckle assembly 5, connecting rod II 6, connecting buckle I 7, connecting buckle II 8, positioning pin 9, welded bending edge 10, ear plate I 11, folding shaft hole 12, adjusting waist circular hole 13, welded connecting side plate I 14, bottom plate I 15, ear plate II 16, welded connecting side plate II 17, positioning hole 18, folding limiting groove 19, bottom plate II 20. Specific embodiments

[0025] The technical solution of the present utility model will be further specifically described below through embodiments in conjunction with the accompanying drawings.

[0026] Embodiment: As Figure 1-7 shown, a connecting buckle structure with a folding function includes a connecting rod I 1 and a connecting rod II 6. A folding connecting buckle assembly 5 is provided between the connecting rod I 1 and the connecting rod II 6. A folding adjusting block 3 and an adjusting positioning shaft 2 are provided inside the folding connecting buckle assembly 5. The folding adjusting block 3 is movably fixed to the folding connecting buckle assembly 5 through a rotating shaft 4, and the adjusting positioning shaft 2 is used for blocking and positioning on the folding connecting buckle assembly 5. The cross-sections of the connecting buckle I 7 and the connecting buckle II 8 are in a "U" - shaped structure, and the connecting buckle I 7 and the connecting buckle II 8 are integrally bent members. The front end of the connecting buckle I 7 is provided with a welded bending edge 10 which is welded and fixed in a fitting manner with the connecting rod II 6, and the welded bending edge 10 and the connecting buckle I 7 are in an integral flanging structure. A positioning hole 18 is provided at the lower part of the front end of the connecting buckle I 7, and a positioning pin 9 which is press - connected with the connecting rod II 6 is provided inside the positioning hole 18.

[0027] The folding connection buckle assembly 5 includes a connection buckle I 7 and a connection buckle II 8. There is an extended fitting structure between the front end of the connection buckle I 7 and the connecting rod II 6, and between the front end of the connection buckle II 8 and the connecting rod I 1. The connection buckle I 7 includes a bottom plate II 20, and ear plates II 16 are provided on both sides of the bottom plate II 20. The connection buckle II 8 includes a bottom plate I 15, and ear plates I 11 are provided on both sides of the bottom plate I 15. The distance between the two outer end faces of the ear plate I 11 is less than the distance between the two inner walls of the ear plate II 16. Folding shaft holes 12 that are both inserted with the rotating shaft 4 are provided on the ear plate I 11 and the ear plate II 16. A welded connection side plate I 14 is provided between the ear plate I 11 and the bottom plate I 15. The welded connection side plate I 14 extends out of the front end of the bottom plate I 15 in a trapezoidal structure, and the welded connection side plate I 14 is fixedly welded to the connecting rod I 1 in an inserted manner. An adjusting waist-shaped round hole 13 is provided on the welded connection side plate I 14, and a folding limit groove 19 is provided at the lower end of the rear part of the ear plate I 11. The adjusting positioning shaft 2 is blocked and positioned through the adjusting waist-shaped round hole 13 and the folding limit groove 19. A welded connection side plate II 17 is provided between the ear plate II 16 and the bottom plate II 20. The welded connection side plate II 17 extends out of the front end of the bottom plate II 20 in a trapezoidal structure.

[0028] In summary, the connection buckle structure with a folding function has the characteristics of being structurally compact, having high structural strength, being light in weight, and having a long service life. It solves the problem of realizing lightweight while ensuring the strength of the folding connecting piece. By increasing the effective welding length and reasonably designing the connection shape of the connecting piece, the effect of thinning and lightweight is achieved, and the cost is reduced and the profit is increased.

[0029] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the basic characteristics of the invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0030] In short, the above are only specific embodiments of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present invention are covered by the patent scope of the present invention.

Claims

1. A connecting buckle structure with a folding function, comprising a connecting rod Ⅰ (1) and a connecting rod Ⅱ (6), characterized in that: A folding connection buckle assembly (5) is provided between the connecting rod I (1) and the connecting rod II (6). A folding adjustment block (3) and an adjustment positioning shaft (2) are provided inside the folding connection buckle assembly (5). The folding adjustment block (3) is movably fixed to the folding connection buckle assembly (5) through a rotating shaft (4), and the adjustment positioning shaft (2) is used for blocking and positioning on the folding connection buckle assembly (5). The folding connection buckle assembly (5) includes a connection buckle I (7) and a connection buckle II (8). An extended fitting structure is formed between the front end of the connection buckle I (7) and the connecting rod II (6), and between the front end of the connection buckle II (8) and the connecting rod I (1).

2. The connecting buckle structure with a folding function according to claim 1, characterized in that: A welding bending edge (10) for fitting and welding fixation with the connecting rod II (6) is provided at the front end of the connection buckle I (7). The welding bending edge (10) and the connection buckle I (7) form an integrated flanging structure.

3. The connecting buckle structure with a folding function according to claim 2, wherein: A positioning hole (18) is provided at the lower part of the front end of the connection buckle I (7), and a positioning pin (9) for pressing connection with the connecting rod II (6) is provided inside the positioning hole (18).

4. The connecting buckle structure with a folding function according to claim 1, characterized in that: The connection buckle I (7) includes a bottom plate II (20), and ear plates II (16) are provided on both sides of the bottom plate II (20). The connection buckle II (8) includes a bottom plate I (15), and ear plates I (11) are provided on both sides of the bottom plate I (15). Folding shaft holes (12) for inserting the rotating shaft (4) are provided on the ear plates I (11) and the ear plates II (16).

5. The connecting buckle structure with a folding function according to claim 4, characterized in that: A welding connection side plate I (14) is provided between the ear plate I (11) and the bottom plate I (15). An adjustment waist-shaped hole (13) is provided on the welding connection side plate I (14). A folding limit groove (19) is provided at the lower end of the rear part of the ear plate I (11). The adjustment positioning shaft (2) is blocked and positioned through the adjustment waist-shaped hole (13) and the folding limit groove (19).

6. The connecting buckle structure with a folding function according to claim 5, characterized in that: The welding connection side plate I (14) extends out of the front end of the bottom plate I (15) in a trapezoidal structure, and the welding connection side plate I (14) is welded and fixed to the connecting rod I (1) in an inserted manner.

7. The connecting buckle structure with a folding function according to claim 4, characterized in that: A welding connection side plate II (17) is provided between the ear plate II (16) and the bottom plate II (20). The welding connection side plate II (17) extends out of the front end of the bottom plate II (20) in a trapezoidal structure.

8. The connecting buckle structure with a folding function according to claim 4, characterized in that: The distance between the two outer end faces of the ear plate I (11) is smaller than the distance between the two inner walls of the ear plate II (16).

9. The connecting buckle structure with a folding function according to claim 1, wherein: The cross sections of the connection buckle I (7) and the connection buckle II (8) are in a "U" - shaped structure, and the connection buckle I (7) and the connection buckle II (8) are integrated bending members.

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