Connecting piece for aluminum profiles

Abstract

The utility model provides an aluminum profile connecting piece, and belongs to the technical field of aluminum profiles. The connecting device comprises a connecting main body matched with connecting holes of the aluminum profiles, the two ends of the connecting main body can be inserted into the connecting holes of the two sections of the aluminum profiles respectively to be used for connecting the two sections of the aluminum profiles, and the height difference H exists between the end faces, corresponding to the connecting holes, of the connecting main body in the axial direction. The section of the connecting body is gradually increased from one end to the other end in the axial direction, and the middle section of the connecting body is in interference fit with the connecting hole. Waste aluminum profiles can be fully utilized, and the overall utilization rate of the aluminum profiles is greatly increased; the connecting main body and the aluminum profile are convenient to assemble and stable in connection; the two sections of aluminum profiles are respectively located at the middle section part of the connecting main body and are symmetrically distributed, and the connecting main body can uniformly support and connect the two sections of aluminum profiles, so that a stable connecting structure and balanced stress distribution are provided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to aluminium alloy technical field relates to a connecting piece of aluminium alloy. BACKGROUND

[0002] Aluminium alloy is a kind of alloy material with aluminium as main component, and is processed into profile products with specific cross-sectional shape and size by extrusion. This material is widely used in building, transportation, electronic appliances, machinery manufacturing and other fields due to its excellent physical and chemical properties, such as light weight, high strength, corrosion resistance, good ductility and plasticity, and beautiful appearance. However, in practical application, in order to adapt to different application scenarios, long aluminium alloy profiles need to be sawn into the required length, which will result in a large amount of tailings, i.e. a large amount of useless waste, thereby causing a large amount of material waste and increasing production cost. SUMMARY

[0003] The utility model aims at the above-mentioned problem, provides a connecting piece of aluminium alloy.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A connecting piece of aluminium alloy, comprising a connecting body adapted to the connecting hole of the aluminium alloy, the connecting body can be respectively inserted into the connecting hole of two sections of aluminium alloy at both ends for connecting the two sections of aluminium alloy, the height difference H exists between the respective end faces of the connecting body and the connecting hole in the axial direction, so that the cross section of the connecting body gradually increases from one end to the other end in the axial direction, and the middle section of the connecting body is in interference fit with the connecting hole.

[0006] The connecting body is respectively inserted into two sections of shorter aluminium alloy at both ends for connecting the two sections of shorter aluminium alloy to increase the length of the aluminium alloy, which can fully utilize the originally discarded aluminium alloy, thereby improving the overall utilization rate of the aluminium alloy, the connecting body and the aluminium alloy are assembled conveniently and stably, and the two sections of aluminium alloy are symmetrically distributed on the middle section of the connecting body, which ensures that the connecting body can uniformly support and connect the two sections of aluminium alloy, thereby providing a stable connecting structure and balanced stress distribution.

[0007] In the connecting piece of aluminium alloy, the respective end faces of the connecting body and the connecting hole are inclined connection inclined surfaces, and the height difference H exists between the two end points of the connection inclined surface.

[0008] The connecting body and the connecting hole have inclined connecting slopes on each end face, so that one end of the connecting body is a large end and the other end is a small end. The small end of the connecting body is easy to assemble with the aluminum profile. The middle part of the connecting body and the connecting hole of the aluminum profile have an interference fit, which can ensure that the connecting body can generate sufficient clamping force after being inserted into the connecting hole to ensure the stability of the connection.

[0009] In the aforementioned aluminum profile connectors, the height difference H is 0.05 mm.

[0010] There is a height difference of 0.05mm between the two ends of the connecting inclined plane.

[0011] In the aforementioned aluminum profile connector, the two ends of the connecting body are respectively provided with constricted sections to facilitate entry into the connecting hole, and the constricted sections are clearance-fitted with the connecting hole.

[0012] The constricted section facilitates the alignment of the main body end with the connecting hole in the aluminum profile, making it easier to assemble and connect the main body and the aluminum profile.

[0013] In the above-mentioned aluminum profile connector, the end faces of the constricted section and the connecting hole are inclined constricted slopes. The outermost side of the constricted slope is the lowest point of the constricted slope, and the innermost side of the constricted slope is the highest point of the constricted slope, which is connected to the end face of the connecting body.

[0014] The constricted bevel serves as an insertion guide, facilitating the entry of the main body end into the connection hole and enabling convenient assembly and connection between the main body and the aluminum profile.

[0015] In the aforementioned aluminum profile connectors, the connecting body and the narrowed section are integrally formed.

[0016] In the aforementioned aluminum profile connectors, the connecting body is hollow, and the cross-section of the connecting body is trapezoidal.

[0017] The hollow design of the connecting body achieves lightweighting and saves materials. The cross-section of the connecting body is trapezoidal and adapts to the connecting holes of the aluminum profile.

[0018] In the aforementioned aluminum profile connector, the connection between the front and rear end faces and the upper and lower end faces of the connecting body is provided with an arc-shaped chamfer, that is, the connecting body and each edge corresponding to the connecting hole are provided with an arc-shaped chamfer.

[0019] The rounded chamfer can reduce stress concentration at the edges, thereby reducing the risk of breakage or deformation of the connected body under stress.

[0020] In the aforementioned aluminum profile connectors, a central marking structure is provided in the middle section of the connecting body.

[0021] The center marker structure serves as a positioning reference during the insertion of the connecting body into the connecting hole. Assemblers can use the center marker structure to determine whether the middle section of the connecting body has reached the opening of the connecting hole, thus ensuring the alignment of the two aluminum profiles.

[0022] In the aforementioned aluminum profile connector, the center marking structure includes a center marking line disposed on any end face of the connecting body at the axial center of the connecting body.

[0023] The center marking line on any end face serves as a positioning reference. Assemblers can use the center marking line to determine whether the middle part of the connecting body has reached the opening of the connecting hole, thus ensuring the alignment of the two aluminum profiles.

[0024] Compared with existing technologies, the advantages of this utility model are: 1. It can make full use of waste aluminum profiles, greatly improving the overall utilization rate of aluminum profiles. 2. The assembly between the connecting body and the aluminum profile is convenient and the connection is stable. 3. The two aluminum profiles are symmetrically distributed in the middle section of the connecting body, and the connecting body can evenly support and connect the two aluminum profiles, thus providing a stable connection structure and balanced stress distribution. Attached Figure Description

[0025] Figure 1 This is a structural diagram of the aluminum profile;

[0026] Figure 2 This is a side view of the aluminum profile;

[0027] Figure 3 This is a structural diagram of the connecting main body;

[0028] Figure 4 This is a top view connecting the main body;

[0029] Figure 5 This is the bottom view connecting the main body;

[0030] Figure 6 This is the rear view of the connecting body;

[0031] Figure 7 This is a side view of the main body;

[0032] Figure 8 yes Figure 7 Enlarged diagram of point A in the middle.

[0033] In the diagram, 1. Aluminum profile, 2. Connecting hole, 3. Connecting body, 4. Connecting bevel, 5. Narrowing section, 6. Curved chamfer, 7. Center marking structure, 8. Center marking line. Detailed Implementation

[0034] like Figures 1-8As shown, a connector for aluminum profiles includes a connecting body 3 adapted to the connecting holes 2 of the aluminum profile 1. The two ends of the connecting body 3 can be respectively inserted into the connecting holes 2 of two sections of aluminum profile 1 for connecting the two sections of aluminum profile 1. There is a height difference H in the axial direction between the end faces of the connecting body 3 and the connecting holes 2, so that the cross section of the connecting body 3 gradually increases from one end to the other in the axial direction. The middle section of the connecting body 3 is interference-fitted with the connecting holes 2.

[0035] In this invention, two shorter aluminum profiles 1 are inserted into both ends of the connecting body 3 to connect the two shorter aluminum profiles 1 to increase the length of the aluminum profiles 1. This makes full use of these aluminum profiles 1 that would otherwise be discarded, thereby improving the overall utilization rate of the aluminum profiles 1, helping to reduce material waste and lower production costs.

[0036] In this embodiment, the aluminum profile 1 has two connecting holes 2, and the number of connecting bodies 3 is matched with the number of connecting holes 2.

[0037] The cross-section of the connecting body 3 gradually increases axially from one end to the other. One end of the connecting body 3 is the large end, and the other end is the small end. Since the middle section of the connecting body 3 is interference-fitted with the connecting hole 2 of the aluminum profile 1, the large end of the connecting body 3 is inserted into the connecting hole 2 of the aluminum profile 1 by tapping it with a rubber hammer. When the middle section of the connecting body 3 reaches the opening of the connecting hole 2, the tapping is stopped. Then, the small end of the connecting body 3 is inserted into the connecting hole 2 of the other aluminum profile 1. The small end of the connecting body 3 is easy to insert into the connecting hole 2, so it can be manually inserted without the aid of a rubber hammer, so that the middle section of the connecting body 3 reaches the opening of the connecting hole 2 of the other aluminum profile 1. The small end of the connecting body 3 is easy to assemble. The two aluminum profiles 1 are symmetrically distributed on the connecting body 3, each located in the middle section of the connecting body 3. This connection method ensures that the connecting body 3 can evenly support and connect the two aluminum profiles 1, thus providing a stable connection structure and balanced force distribution.

[0038] Furthermore, the middle section of the connecting body 3 is interference-fitted with the connecting hole 2 of the aluminum profile 1, which ensures that the connecting body 3 can generate sufficient clamping force after being inserted into the connecting hole 2 of the aluminum profile 1, while avoiding shaking and loosening, thus ensuring the stability of the connection.

[0039] Specifically, combining Figure 7 and Figure 8 As shown, the end faces of the connecting body 3 and the connecting hole 2 are inclined connecting slopes 4, and there is a height difference H between the two ends of the connecting slope 4, which is 0.05mm.

[0040] The connecting body 3 and the connecting hole 2 have inclined connecting slopes 4 at their respective end faces. There is a height difference of 0.05mm between the two ends of the connecting slope 4, so that one end of the connecting body 3 is a large end and the other end is a small end, which facilitates the assembly between the small end of the connecting body 3 and the aluminum profile 1. The middle part of the connecting body 3 and the connecting hole 2 of the aluminum profile 1 are interference-fitted, which can ensure that the connecting body 3 can generate sufficient clamping force after being inserted into the connecting hole 2 to ensure the stability of the connection.

[0041] Preferably, combined with Figures 3-7 As shown, the connecting body 3 has constricted sections 5 at both ends to facilitate entry into the connecting hole 2. The constricted sections 5 and the connecting hole 2 are fitted with a clearance, and the connecting body 3 and the constricted sections 5 are integrally formed.

[0042] The constricted sections 5 at both ends of the connecting body 3 can easily align the ends of the connecting body 3 with the connecting holes 2 of the aluminum profile 1, facilitating the assembly and connection between the connecting body 3 and the aluminum profile 1.

[0043] Specifically, combining Figures 3-7 As shown, the end faces of the constricted section 5 and the connecting hole 2 are inclined constricted slopes 6. The outermost side of the constricted slope 6 is the lowest point of the constricted slope 6, and the innermost side of the constricted slope 6 is the highest point of the constricted slope 6, which is connected to the end face of the connecting body 3.

[0044] The end faces of the constricted section 5 and the connecting hole 2 are constricted slopes 6 with the outer side lower and the inner side higher. The constricted slopes 6 serve as insertion guides, making it easier for the end of the connecting body 3 to enter the connecting hole 2, and facilitating the assembly and connection between the connecting body 3 and the aluminum profile 1.

[0045] Specifically, combining Figure 7 As shown, the connecting body 3 is hollow, and the cross-section of the connecting body 3 is trapezoidal.

[0046] The hollow design of the connecting body 3 achieves lightweighting and saves materials. The cross-section of the connecting body 3 is trapezoidal and adapts to the connecting hole 2 of the aluminum profile 1.

[0047] Preferably, combined with Figures 3-7 As shown, the connection between the front and rear end faces and the upper and lower end faces of the connecting body 3 is provided with an arc-shaped chamfer 7, that is, the connecting body 3 and the connecting hole 2 are provided with arc-shaped chamfers 7 on each edge.

[0048] The arc-shaped chamfers 7 on each edge corresponding to the connecting body 3 and the connecting hole 2 can reduce stress concentration at the edge, thereby reducing the risk of the connecting body 3 breaking or deforming under stress.

[0049] Preferably, combined with Figure 4 and Figure 5As shown, a center marking structure 8 is provided in the middle section of the connecting body 3. The center marking structure 8 includes a center marking line 9 located on any end face of the connecting body 3 at the axial center of the connecting body 3.

[0050] The center marking line 9 on any end face serves as a positioning reference during the insertion of the connecting body 3 into the connecting hole 2. Assemblers can use the center marking line 9 to determine whether the middle part of the connecting body 3 has reached the opening of the connecting hole 2, so as to ensure the alignment of the two aluminum profiles.

[0051] The working principle of this utility model is as follows: two shorter aluminum profiles 1 are inserted into both ends of the connecting body 3 to connect the two shorter aluminum profiles 1 and increase the length of the aluminum profiles 1.

[0052] When the large end of the connecting body 3 is inserted into the connecting hole 2 of the aluminum profile 1, it is driven in by tapping with a rubber hammer. When the center mark line 9 of the middle section of the connecting body 3 is aligned with the opening of the connecting hole 2, the tapping is stopped. Then the small end of the connecting body 3 is inserted into the connecting hole 2 of another section of the aluminum profile 1. The small end of the connecting body 3 is easy to insert into the connecting hole 2, and the assembly is convenient. Therefore, it can be manually inserted without the aid of a rubber hammer, so that the center mark line 9 of the middle section of the connecting body 3 is aligned with the opening of the connecting hole 2 of another section of the aluminum profile 1.

[0053] The two aluminum profiles 1 are symmetrically distributed on the connecting body 3, each located in the middle section of the connecting body 3. This connection method ensures that the connecting body 3 can evenly support and connect the two aluminum profiles 1, thereby providing a stable connection structure and a balanced force distribution.

[0054] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0055] Although this article uses terms such as aluminum profile 1, connecting hole 2, connecting body 3, connecting bevel 4, narrowed section 5, narrowed bevel 6, arc chamfer 7, center marking structure 8, center marking line 9, these terms are used only to more conveniently describe and explain the essence of this utility model; interpreting them as any kind of additional limitation would be contrary to the spirit of this utility model.

Claims

1. A connector for an aluminum profile, comprising a connecting body (3) adapted to a connecting hole (2) in the aluminum profile (1), characterized in that, The connecting body (3) has connecting holes (2) at both ends that can be inserted into two aluminum profiles (1) to connect the two aluminum profiles (1). The connecting body (3) and the connecting holes (2) have a height difference H in the axial direction, so that the cross section of the connecting body (3) gradually increases from one end to the other in the axial direction. The middle part of the connecting body (3) is interference-fitted with the connecting holes (2).

2. The connecting member for aluminum profiles according to claim 1, characterized in that, The connecting body (3) and the connecting hole (2) have each end face that is an inclined connecting slope (4), and there is a height difference H between the two ends of the connecting slope (4).

3. The connecting member for aluminum profiles according to claim 2, characterized in that, The height difference H is 0.05 mm.

4. The connecting member for aluminum profiles according to claim 2, characterized in that, The connecting body (3) has constricted sections (5) at both ends to facilitate entry into the connecting hole (2), and the constricted sections (5) and the connecting hole (2) are fitted with a clearance.

5. The connecting member for aluminum profiles according to claim 4, characterized in that, The constricted section (5) and the connecting hole (2) are each end face of the constricted slope (6) with an inclined setting. The outermost side of the constricted slope (6) is the lowest point of the constricted slope (6), and the innermost side of the constricted slope (6) is the highest point of the constricted slope (6) and is connected to the end face of the connecting body (3).

6. The connecting member for aluminum profiles according to claim 5, characterized in that, The connecting body (3) and the narrowed section (5) are integrally set together.

7. The connecting member for aluminum profiles according to any one of claims 1-6, characterized in that, The connecting body (3) is hollow, and the cross-section of the connecting body (3) is trapezoidal.

8. The connecting member for aluminum profiles according to claim 7, characterized in that, The connection between the front and rear end faces and the upper and lower end faces of the connecting body (3) is provided with an arc-shaped chamfer (7), that is, the connecting body (3) and the connecting hole (2) are provided with arc-shaped chamfers (7) on each edge.

9. The connecting member for aluminum profiles according to any one of claims 1-6, characterized in that, The connecting body (3) has a central marking structure (8) in the middle section.

10. The connecting member for aluminum profiles according to claim 9, characterized in that, The aforementioned center marking structure (8) includes a center marking line (9) located on any end face of the connecting body (3) at the axial center of the connecting body (3).

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