Aluminum corner connecting piece and aluminum frame of furniture

Abstract

The utility model provides an aluminum corner connecting piece and an aluminum frame of furniture, and belongs to the technical field of aluminum frames. Comprising a connecting block, connecting insertion arms are fixed to the two adjacent side walls of the connecting block, first cavities are formed in the connecting insertion arms, a pair of positioning clamping blocks are embedded in the ends, away from the connecting block, of the interiors of the first cavities, and the sides, away from each other, of the positioning clamping blocks penetrate through the side walls of the connecting insertion arms; and after one end, facing the connecting block, in the first cavity is movably embedded, a top block capable of forcing the pair of positioning clamping blocks to be separated and extend out of the connecting insertion arm. The integral structure is simple and reasonable, corner connection is realized by adopting an internal clamping mode of the aluminum frame main body, only one operation hole needs to be reserved on the surface of the aluminum frame main body, and compared with a spiral external positioning connection mode, the surface integrity of the aluminum frame main body is protected as much as possible, the aluminum frame is more attractive, and the service life of the aluminum frame main body is prolonged. And assembly and disassembly are easy.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum frames, in particular to an aluminum corner connector and an aluminum frame for furniture. Background Art

[0002] Aluminum is widely used in furniture products due to its advantages such as corrosion resistance, high hardness, light weight, good ductility and good surface treatment performance.

[0003] In the prior art, the utility model application number 202022227263.X discloses an aluminum corner connector and an aluminum frame for furniture, the corner connector comprising a corner portion and a connecting portion, wherein each aluminum end face connected at the corner coincides with each connecting face of the corner, and the shape and area of ​​the overlapping aluminum end face are consistent with the connecting face, the connecting portion is arranged on the connecting face and extends into the aluminum material, and a connecting structure for radially connecting to the aluminum material is arranged on the connecting portion. When performing a corner connection of the aluminum material, it is only necessary to open a connecting hole corresponding to the connecting structure on the side of the aluminum material, and the connection between the aluminum material and the corner connector is achieved through the connecting member.

[0004] However, although the method of connecting the aluminum frame corners by opening connection holes and using screws and rivets is convenient, after the aluminum frame corners are connected, more connection structures such as bolts and rivets will be exposed on the surface of the aluminum frame, affecting the appearance of the aluminum frame furniture. Therefore, the present application provides an aluminum corner connector and an aluminum frame for furniture to meet the needs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an aluminum corner connector and an aluminum frame of furniture to solve the problem that the existing method of using connection holes, screws and rivets to achieve aluminum frame corner connection affects the appearance.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] An aluminum corner connector and an aluminum frame for furniture, comprising a connecting block, connecting arms being fixed on adjacent two side walls of the connecting block, a first cavity being defined in the connecting arm, a pair of positioning blocks being embedded in the first cavity at one end away from the connecting block, the sides of the pair of positioning blocks away from each other penetrating the side walls of the connecting arm, and the first cavity being movably embedded toward one end of the connecting block to force the pair of positioning blocks to separate and extend out of the top block of the connecting arm, and a driving structure for driving the top block to move is provided on the connecting block.

[0008] Optionally, one end of the top block away from the connecting block is configured to be conical and aligned with a pair of the positioning blocks, and a reset member capable of driving the positioning block to be embedded in the first cavity is disposed in the first cavity.

[0009] Optionally, the driving structure includes a shaft rod penetrating an end of the top block away from the positioning block, and the shaft rod is threadedly engaged with the top block.

[0010] Optionally, the driving structure also includes a second cavity opened in the connecting block, the end of the shaft rod away from the top block extends into the second cavity and is fixed with a driven bevel gear, a driving bevel gear is rotatably installed in the second cavity, the driving bevel gear is meshed with a pair of driven bevel gears, an operating hole is opened on the outer wall of the connecting block, and an end cap coaxially connected to the driving bevel gear is arranged in the operating hole.

[0011] Optionally, an end plate is further provided at one end of the top block facing the connecting block, and the end plate is in sliding contact with the inner wall of the first cavity.

[0012] Optionally, the reset member includes a convex plate and a spring, the convex plate is fixed at two ends of the positioning block on a side facing the inside of the connecting arm, and the spring is arranged between the convex plate and the inner wall of the first cavity.

[0013] An aluminum frame of furniture comprises an aluminum frame body and an angle connector. The end of the aluminum frame body is provided with a plug-in slot for accommodating the insertion of a connecting arm, and the inner wall of the plug-in slot is provided with a clamping slot for accommodating the embedding of a positioning clamping block.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] In the above scheme, by setting the positioning card block to be engaged with the card slot, a pair of connecting arms on the connecting block are inserted into the card slots at the two side ends of the aluminum frame body, a screwdriver or other tool is inserted into the operation hole to twist the active bevel gear to rotate, the active bevel gear drives a pair of driven bevel gears to rotate, the driven bevel gear drives the shaft to rotate, and the threaded fit between the shaft and the top block is used to drive the top block away from the connecting block and inserted between the pair of positioning card blocks, forcing the pair of positioning card blocks to separate and extend out of the connecting arms and embed into the card slots in the card slots, thereby achieving the purpose of fixing the aluminum frame. The purpose of the corner connection of the frame body is to screw the end cap in the opposite direction to drive the top block close to the connecting block and separate from between a pair of positioning blocks. The positioning block can be retracted into the connecting arm under the elastic force of the spring. At this time, the connecting arm and the aluminum frame body can be disassembled. The overall structure is simple and reasonable. The corner connection is achieved by adopting the internal clamping method of the aluminum frame body. Only one operating hole is required on the surface of the aluminum frame body. Compared with the spiral external positioning connection method, the surface integrity of the aluminum frame body is protected as much as possible, which is more beautiful and easy to assemble and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the aluminum frame of the furniture;

[0018] Figure 2 It is a structural schematic diagram of the connection between the main body of the aluminum frame and the corner pieces;

[0019] Figure 3 is a side sectional view of a corner piece;

[0020] Figure 4 is a cross-sectional view of the corner piece in the top direction;

[0021] Figure 5 for Figure 4 Enlarged view of point A in .

[0022] [reference numerals]

[0023] 1. Aluminum frame body; 2. Plug-in slot; 3. Connecting block; 4. Connecting plug arm; 5. Positioning block; 6. Plug-in slot; 7. Operating hole; 8. First cavity; 9. Top block; 10. End plate; 11. Shaft; 12. Second cavity; 13. Driven bevel gear; 14. Driving bevel gear; 15. Reset member; 16. End cap; 17. Convex plate; 18. Spring.

[0024] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0025] The following is a detailed description of an aluminum corner connector and an aluminum frame for furniture provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0026] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0027] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0028] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0029] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0030] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the embodiment of the utility model provides an aluminum corner connector and an aluminum frame for furniture, including a connecting block 3, connecting arms 4 are fixed on adjacent two side walls of the connecting block 3, a first cavity 8 is opened in the connecting arm 4, a pair of positioning blocks 5 are embedded in the end of the first cavity 8 away from the connecting block 3, and the side of the pair of positioning blocks 5 away from each other passes through the side wall of the connecting arm 4. After the first cavity 8 is movably embedded toward one end of the connecting block 3, the pair of positioning blocks 5 can be forced to separate and extend out of the top block 9 of the connecting arm 4. A driving structure for driving the top block 9 to move is provided on the connecting block 3, and the end of the top block 9 away from the connecting block 3 is set to a cone and aligned with the pair of positioning blocks 5, when the connecting arm 4 is connected with the connecting block 4, the top block 9 is connected to the connecting block 3. Figure 1 After the side of the aluminum frame body 1 is plugged in, the driving structure drives the top block 9 to move between a pair of positioning blocks 5, forcing the pair of positioning blocks 5 to separate and extend out of the connecting arm 4, so that it can be plugged in from the inside for corner connection, and the internal connection method is more beautiful.

[0031] like Figure 2 , Figure 3 and Figure 4 As shown, the driving structure includes a shaft rod 11 that is penetrated at one end of the top block 9 away from the positioning block 5, and the shaft rod 11 is threadedly matched with the top block 9. The driving structure also includes a second cavity 12 opened in the connecting block 3, and the end of the shaft rod 11 away from the top block 9 extends into the second cavity 12 and is fixed with a driven bevel gear 13. A driving bevel gear 14 is rotatably installed in the second cavity 12, and the driving bevel gear 14 is meshed with a pair of driven bevel gears 13. An operating hole 7 is opened on the outer wall of the connecting block 3, and an end cap 16 coaxially connected to the driving bevel gear 14 is arranged in the operating hole 7. A tool such as a screwdriver is inserted into the operating hole 7 to screw the driving bevel gear 14 to rotate, and the driving bevel gear 14 drives the pair of driven bevel gears 13 to rotate, and the driven bevel gear 13 drives the shaft rod 11 to rotate. By using the threaded match of the shaft rod 11 and the top block 9, the top block 9 can be driven to be inserted between the pair of positioning blocks 5 away from the connecting block 3, forcing the pair of positioning blocks 5 to separate and extend out of the connecting arm 4 for angle connection.

[0032] like Figure 2 , Figure 3 and Figure 4 As shown, an end plate 10 is further provided at one end of the top block 9 facing the connection block 3 , and the end plate 10 is in sliding contact with the inner wall of the first cavity 8 for guiding the top block 9 .

[0033] like Figure 3 , Figure 4 and Figure 5As shown, a reset member 15 capable of driving the positioning block 5 to be embedded in the first cavity 8 is provided in the first cavity 8, and the reset member 15 includes a convex plate 17 and a spring 18. The convex plate 17 is fixed at both ends of the positioning block 5 facing the inside of the connecting arm 4, and the spring 18 is arranged between the convex plate 17 and the inner wall of the first cavity 8. The end cap 16 is screwed in the reverse direction to drive the top block 9 to approach the connecting block 3 and separate from between a pair of positioning blocks 5. The positioning block 5 can be retracted into the connecting arm 4 under the push of the elastic force of the spring 18, so as to facilitate the removal of the corner connector.

[0034] like Figure 1 , Figure 2 As shown, an aluminum frame of furniture includes an aluminum frame body 1 and a corner connector. The end of the aluminum frame body 1 is provided with a plug-in slot 2 for accommodating a connecting arm 4 to be inserted, and the inner wall of the plug-in slot 2 is provided with a clamping slot 6 for accommodating a positioning block 5 to be embedded. The connecting arm 4 is inserted into the plug-in slot 2 on the aluminum frame body 1, and a pair of positioning blocks 5 extend out of the connecting arm 4 and then are embedded in the clamping slot 6, so that the corner connection of the aluminum frame body 1 can be achieved from the inside.

[0035] The working principle provided by the utility model is that when in use, a pair of connecting arms 4 on the connecting block 3 are inserted into the plug-in slots 2 at the two side ends of the aluminum frame body 1, and then a tool such as a screwdriver is inserted into the operating hole 7 to twist the active bevel gear 14 to rotate, and the active bevel gear 14 drives a pair of driven bevel gears 13 to rotate, and the driven bevel gear 13 drives the shaft rod 11 to rotate, and the threaded cooperation between the shaft rod 11 and the top block 9 is used to drive the top block 9 away from the connecting block 3 and insert between the pair of positioning blocks 5, forcing the pair of positioning blocks 5 to separate and extend out of the connecting arms 4 and embed into the card slot 6 in the plug-in slot 2, thereby achieving the purpose of The purpose of the corner connection of the aluminum frame body 1 is to reversely twist the end cap 16 to drive the top block 9 close to the connecting block 3 and disengage from a pair of positioning blocks 5. The positioning block 5 can be retracted into the connecting arm 4 under the elastic force of the spring 18. At this time, the connecting arm 4 and the aluminum frame body 1 can be disassembled. The overall structure is simple and reasonable. The corner connection is achieved by adopting the internal clamping method of the aluminum frame body 1. Only one operating hole 7 is required on the surface of the aluminum frame body 1. Compared with the spiral external positioning connection method, the surface integrity of the aluminum frame body 1 is protected as much as possible, which is more beautiful and easy to assemble and disassemble.

[0036] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An aluminum corner connector, characterized in that: include: A connecting block, connecting arms are fixed on the adjacent two side walls of the connecting block, a first cavity is opened in the connecting arm, a pair of positioning blocks are embedded in the end of the first cavity away from the connecting block, the side of the pair of positioning blocks away from each other passes through the side wall of the connecting arm, and the first cavity is movably embedded toward one end of the connecting block to force the pair of positioning blocks to separate and extend out of the top block of the connecting arm, and a driving structure for driving the top block to move is provided on the connecting block.

2. The aluminum corner connector according to claim 1, characterized in that: One end of the top block away from the connecting block is set to be conical and aligned with a pair of positioning blocks. A reset member capable of driving the positioning block to be embedded in the first cavity is arranged in the first cavity.

3. The aluminum corner connector according to claim 1, characterized in that: The driving structure comprises a shaft rod which is passed through one end of the top block away from the positioning clamping block, and the shaft rod is threadedly matched with the top block.

4. The aluminum corner connector according to claim 3, characterized in that: The driving structure also includes a second cavity opened in the connecting block, one end of the shaft rod away from the top block extends into the second cavity and is fixed with a driven bevel gear, a driving bevel gear is rotatably installed in the second cavity, the driving bevel gear is meshed with a pair of driven bevel gears, an operating hole is opened on the outer side wall of the connecting block, and an end cap coaxially connected to the driving bevel gear is arranged in the operating hole.

5. The aluminum corner connector according to claim 4, characterized in that: An end plate is also provided at one end of the top block facing the connection block, and the end plate is in sliding contact with the inner wall of the first cavity.

6. The aluminum corner connector according to claim 2, characterized in that: The reset member comprises a convex plate and a spring. The convex plate is fixed at two ends of the positioning block on one side facing the inner side of the connecting arm. The spring is arranged between the convex plate and the inner wall of the first cavity.

7. An aluminum frame for furniture, characterized in that: It comprises an aluminum frame body and an angle connector, wherein the angle connector is as described in any one of claims 1-6, the end of the aluminum frame body is provided with a plug-in slot capable of accommodating the insertion of a connecting arm, and the inner wall of the plug-in slot is provided with a clamping slot capable of accommodating the embedding of a positioning block.

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