Sofa connecting piece

Abstract

The utility model relates to the technical field of sofas, in particular to a sofa connecting piece which comprises a connecting plate, a connecting hole is formed in the connecting plate, a welding bolt welded with an aluminum profile penetrates through the connecting hole, connecting blocks are arranged at the two ends of the connecting plate in the length direction, the connecting blocks are arranged perpendicular to the connecting plate, and the connecting blocks are symmetrically arranged along the center line of the connecting plate. The connecting blocks are used for abutting against the inner wall of the tubular profile, bolt holes are formed in the connecting blocks, the positions and the shapes of the bolt holes correspond to each other, and bolts penetrate through the bolt holes. Welding bolts can be effectively fixed through the connecting holes in the connecting plates, the welding spot area of the tubular new material is further increased, the welding stability is improved, the connecting pieces can better abut against the inner wall of the tubular section through the design of the connecting blocks, the overall stability and the bearing capacity of the structure are improved, and under the combined action of the design, the welding effect is improved. The durability and the reliability of the sofa connecting piece are obviously improved, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to sofa technical field especially is related to a sofa connecting piece. BACKGROUND

[0002] The sofa is a kind of multi-seat chair with soft cushion, and is a kind of soft furniture with armrests on both sides, and most of the sofas on the market are produced by wrapping cloth on aluminum frame.

[0003] Some tubular profiles of sofa aluminum frame under prior art are usually installed on sofa in the form of welding, but the sofa needs to be pressed for a long time, and the welding of the aluminum frame is prone to damage after being pressed for a long time. INVENTION CONTENTS

[0004] To solve the problem that some tubular profiles of sofa aluminum frame under prior art are usually installed on sofa in the form of welding, but the sofa needs to be pressed for a long time, and the welding of the aluminum frame is prone to damage after being pressed for a long time, the application provides a sofa connecting piece, and the specific scheme is as follows.

[0005] A sofa connecting piece includes a connecting plate, a connecting hole is formed in the connecting plate, the connecting hole is used for passing a welding bolt welded with aluminum profile, two connecting blocks are arranged at the length direction ends of the connecting plate, the connecting blocks are arranged perpendicularly to the connecting plate, the connecting blocks are symmetrically arranged along the center line of the connecting plate, the connecting blocks are used for abutting against the inner wall of tubular profile, bolt holes are formed in the connecting blocks, the positions and shapes of the bolt holes are correspondingly arranged, and the bolt holes are used for passing bolts.

[0006] Through the above technical scheme, the connecting hole in the connecting plate can effectively fix the welding bolt, further increase the welding point area of tubular profile, improve the stability of welding, the design of connecting block makes the connecting piece better abut against the inner wall of tubular profile, improves the overall stability and load-bearing capacity of structure, the symmetrically arranged connecting blocks and corresponding bolt holes further enhance the symmetry of connecting piece, improve assembly precision, and reduce stress concentration problem caused by asymmetry. Under the joint action of these designs, the durability and reliability of sofa connecting piece are significantly improved, and the service life is prolonged.

[0007] Optionally, two connecting holes are formed in the connecting plate, and the two connecting holes are equidistantly and spaced apart along the connecting plate.

[0008] By adopting the above technical scheme, the two connecting holes on the connecting plate can more evenly distribute stress, thereby improving the overall structural strength and stability of the sofa connecting piece and reducing the risk of damage under long-term pressure.

[0009] Optionally, the connecting plate is further provided with an embedded groove corresponding to the head shape of the welding bolt, and the embedded groove is used for embedding the welding bolt.

[0010] By adopting the above technical scheme, the embedded groove enables the welding bolt to be fixed on the connecting plate more closely, avoiding loosening and falling off caused by long-term pressure, thereby improving the overall stability and service life of the sofa.

[0011] Optionally, one of the connecting blocks is further provided with a nut groove, which is arranged on the side away from the other connecting block and is arranged beside the bolt hole, the nut groove is arranged corresponding to the shape of the nut, and the nut groove is used for embedding the nut.

[0012] By adopting the above technical scheme, the nut groove enables the nut to be fixed on the connecting block better, thereby improving the overall stability of the connecting piece and avoiding loosening of the nut caused by long-term stress.

[0013] Optionally, the connecting block is further provided with a plurality of horizontal columns, the horizontal columns are arranged on the side away from the other connecting block, the horizontal columns are integrally arranged with the connecting block, the horizontal columns are arranged along the width direction of the connecting block, and each horizontal column is arranged along the length direction of the connecting block.

[0014] By adopting the above technical scheme, the horizontal column can abut against the inner wall of the tubular profile during installation and tightening, and can play a role in buffering and tightening when the tubular profile deforms due to thickness factors, thereby better dispersing stress, reducing local excessive stress, and prolonging the service life of the sofa aluminum frame.

[0015] Optionally, the connecting block is further provided with a hole groove.

[0016] By adopting the above technical scheme, the hole groove can play a role in ventilation, reducing the risk of rust caused by gas being enclosed between the connecting block and the inner wall of the profile.

[0017] Optionally, the hole groove is arranged through the cross column at the corresponding position.

[0018] By adopting the above technical scheme, the cross column is directly in contact with the inner wall of the profile, so it is easy to accumulate gas. Therefore, the hole groove arranged at the cross column can further dissipate the heat of the gas.

[0019] Optionally, the two sides of the connecting block are provided with support plates, and the support plates are used to abut the inner wall of the tubular profile.

[0020] By adopting the above technical scheme, the support plates can increase the contact area between the connecting block and the tubular profile, thereby improving the overall stability of the connecting piece. At the same time, the support plates can effectively disperse the pressure from the tubular profile, reduce local stress concentration, and further improve the durability and service life of the sofa frame.

[0021] In summary, the present application has at least the following beneficial effects:

[0022] The present application solves the problem that some tubular profiles of the sofa aluminum frame in the prior art are usually installed on the sofa in the form of welding, but the sofa needs to be pressed for a long time, and the welding of the aluminum frame is easy to be damaged after being pressed for a long time. The present application provides a connecting piece installed on the tubular profile, which connects the tubular profile through the connecting piece, so that the tubular profile is more stable after installation, and the damage is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a perspective view of the present embodiment.

[0024] Figure 2 is a sectional view of the present embodiment, mainly used to show the installation on the aluminum profile.

[0025] BRIEF DESCRIPTION OF DRAWINGS:

[0026] 1, connecting plate; 11, connecting hole; 12, connecting block; 121, bolt hole; 122, nut groove; 123, cross column; 124, hole groove; 125, support plate; 13, embedded groove. DETAILED DESCRIPTION

[0027] The present application will be further described in detail below in combination with the drawings.

[0028] A sofa connecting piece, such as Figure 1 and Figure 2As shown, the connecting plate 1 is provided with a connecting hole 11, the connecting hole 11 is used for the welding bolt to pass through, the connecting plate 1 is provided with a connecting block 12 at the length direction of the two ends, the connecting block 12 is perpendicular to the connecting plate 1, the connecting block 12 is symmetrically arranged along the center line of the connecting plate 1, the connecting block 12 is used for abutting the inner wall of the tubular profile, the connecting block 12 is provided with a bolt hole 121, the position and shape of the bolt hole 121 are correspondingly arranged, and the bolt hole 121 is used for the bolt to pass through. As shown in Figure 2 the specific implementation, when connecting, the connecting plate 1 is arranged at the length direction of the two ends of the tubular profile, when installing, the connecting plate 1 needs to be embedded in the tubular profile, then the bolt is passed through the bolt hole 121 of the two connecting blocks 12, the connecting plate 1 is fixed on the tubular profile after the connection is completed, then the welding bolt is installed, and the welding bolt is welded at the corresponding position of the sofa, so that the overall installation is completed.

[0029] As shown in Figure 1 and Figure 2 , the connecting plate 1 is provided with two connecting holes 11, and the two connecting holes 11 are equidistantly arranged along the connecting plate 1. The connecting plate 1 is also provided with an embedding groove 13, the embedding groove 13 is arranged corresponding to the shape of the head of the welding bolt, and the embedding groove 13 is used for embedding the welding bolt. In specific implementation, the welding bolt is arranged in the two connecting holes 11 and embedded in the embedding groove 13, which can further improve the stability after installation.

[0030] As shown in Figure 1 and Figure 2 , one of the connecting blocks 12 is also provided with a nut groove 122, the nut groove 122 is arranged away from the other connecting block 12, the nut groove 122 is arranged beside the bolt hole 121, the nut groove 122 is arranged corresponding to the shape of the nut, and the nut groove 122 is used for embedding the nut. In specific implementation, when installing, it is difficult for the hand and tool to enter, so the nut needs to be embedded in the nut groove 122 first, the nut is limited to rotate in the nut groove 122, at this time, only the bolt needs to be rotated to complete the installation of the bolt, after the installation is completed, the nut groove 122 is arranged to make the nut better fixed on the connecting block 12, avoiding the problem that the nut is loose due to long time stress, thereby improving the overall stability of the connecting piece.

[0031] As shown in Figure 1 and Figure 2As shown, the connecting block 12 is further provided with a plurality of cross columns 123, which are arranged on the side of the connecting block 12 away from the other connecting block 12, and are integrally arranged with the connecting block 12. The cross columns 123 are arranged along the width direction of the connecting block 12, and each cross column 123 is arranged along the length direction of the connecting block 12. The cross columns 123 are used to abut the inner wall of the tubular profile. In specific implementation, since the connecting plate 1 needs to be fixed by bolts during installation, deformation and tightening may occur during the fixing process. Therefore, the cross columns 123 can play a role in tightening buffering.

[0032] As shown in Figure 1 and Figure 2 , the connecting block 12 is further provided with a hole slot 124, which is arranged through the connecting block 12.

[0033] The hole slot 124 is arranged through the corresponding cross column 123. In specific implementation, the hole slot 124 has the effect of air permeability, which can further improve the service life by reducing the accumulation of gas and rust.

[0034] As shown in Figure 1 and Figure 2 , the connecting block 12 is further provided with a support plate 125 arranged on both sides of the connecting block 12, which is used to abut the inner wall of the tubular profile. In specific implementation, the support plate 125 can form an abutment with the pipe, thereby further improving the stability after installation.

[0035] Working principle: The connecting plate 1 can be embedded in the tubular profile, and then the tubular profile can be connected to the aluminum profile of the sofa through the connecting plate 1, which can make the connection more stable.

[0036] The above is the preferred embodiment of the present application, which does not limit the protection scope of the present application. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A sofa connector, characterized by: The utility model provides a connecting plate (1) is provided with connecting hole (11) on the connecting plate (1), the connecting hole (11) is passed through for the welding bolt welded with aluminum section bar, and the both ends of the length direction of the connecting plate (1) are provided with connecting block (12), the connecting block (12) is perpendicular to the connecting plate (1) and is provided, the connecting block (12) is along the midline of the connecting plate (1) and is provided with symmetry, the connecting block (12) is used to abut the inner wall of tubular section bar, and the connecting block (12) is provided with bolt hole (121) on each.

2. A sofa connector according to claim 1, wherein: The connecting plate (1) is provided with two connecting holes (11), and the two connecting holes (11) are equidistantly arranged along the connecting plate (1).

3. A sofa connector according to claim 2, wherein: The connecting plate (1) is further provided with an embedded groove (13), the embedded groove (13) is arranged corresponding to the head shape of the welding bolt, and the embedded groove (13) is embedded for the welding bolt.

4. The sofa connector of claim 1, wherein: One of the connecting blocks (12) is further provided with a nut groove (122), the nut groove (122) is arranged on the side away from the other connecting block (12), the nut groove (122) is arranged beside the bolt hole (121), the nut groove (122) is arranged corresponding to the shape of the nut, and the nut groove (122) is embedded for the nut.

5. The sofa connector of claim 1, wherein: The connecting block (12) is further provided with a plurality of cross columns (123), the cross columns (123) are arranged on the side of the connecting block (12) away from the other connecting block (12), the cross columns (123) are integrally arranged with the connecting block (12), the cross columns (123) are arranged along the width direction of the connecting block (12), each of the cross columns (123) is arranged along the length direction of the connecting block (12), and the cross columns (123) are used for abutting the inner wall of the tubular section bar.

6. A sofa connector according to claim 5, wherein: The connecting block (12) is further provided with a hole groove (124), and the hole groove (124) is arranged through the connecting block (12).

7. A sofa connector according to claim 6, wherein: The hole groove (124) is arranged through the corresponding position of the cross column (123).

8. The sofa connector of claim 1, wherein: The connecting block (12) is provided with a support plate (125) on both sides, and the support plate (125) is used for abutting the inner wall of the tubular section bar.

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