Rivet structure suitable for multi-material connection

Abstract

The utility model relates to the technical field of rivet structures, and discloses a rivet structure suitable for multi-material connection, which comprises a rivet cap, the top of the rivet cap is provided with a plurality of expansion parts, the inner sides of the expansion parts are fixedly connected with fixing plates, the inner walls of the fixing plates are provided with positioning grooves, the inner wall of the rivet cap is connected with a rivet rod in a sliding manner, and the rivet rod is connected with the rivet cap in a sliding manner. A neck breaking groove is formed in the top of the outer wall of the rivet rod, a rivet head is fixedly connected to the top of the rivet rod, positioning rods are fixedly connected to the periphery of the outer wall of the rivet head and slidably connected with the positioning groove, and a connecting mechanism is arranged at the bottom of the rivet rod and used for fixing materials. The inner wall of the expansion part of the rivet cap is provided with a plurality of fixing plates and positioning grooves, so that the rivet can be positioned more accurately, and the broken neck groove of the rivet rod and a plurality of positioning rods on the rivet head can enhance the stability of the rivet.

Description

Technical Field

[0001] The utility model relates to the technical field of rivet structures, in particular to a rivet structure suitable for connecting multiple materials. Background Technique

[0002] Multi-material rivet structures are used to firmly connect different materials, achieving strength and stability through the rivet body and expansion mechanism. Rivet structures are widely used in the fields of automotive, aerospace, and construction, so there is a need for a rivet structure suitable for connecting multiple materials.

[0003] The rivet structure for multi-material connection can excellently meet the requirements of connecting different material components. It can firmly connect materials with huge differences such as aluminum alloy and titanium alloy. It can not only improve the connection strength and stability, meet the requirements of complex structure design, but also adapt to various geometric shapes and assembly requirements, bringing more flexibility to industrial design.

[0004] The installation of existing multi-material rivet structures requires paired rivet tools, increasing the manufacturing and installation costs. The difference in the expansion coefficients of different materials will cause stress concentration at the connection part, which will further cause cracks and damage to the materials, directly affecting the long-term stability of the connection. Summary of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a rivet structure suitable for connecting multiple materials, aiming to improve the problems that the installation requires paired rivet tools, increasing the manufacturing and installation costs, and the difference in the expansion coefficients of different materials will cause stress concentration at the connection part, which will further cause cracks and damage to the materials.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: A rivet structure suitable for connecting multiple materials includes a nail cap. A plurality of expansion parts are opened at the top of the nail cap. Fixed plates are fixedly connected to the inner sides of the plurality of expansion parts. Positioning grooves are opened on the inner walls of the fixed plates. A nail rod is slidably connected to the inner wall of the nail cap. A neck-breaking groove is opened at the top of the outer wall of the nail rod. A rivet head is fixedly connected to the top of the nail rod. Positioning rods are fixedly connected to the peripheries of the outer walls of the rivet head. The positioning rods are slidably connected to the positioning grooves. A connection mechanism is arranged at the bottom of the nail rod, and the connection mechanism is used for fixing materials.

[0007] As a further description of the above technical solution:

[0008] The connection mechanism includes a nut. The nut is fixedly connected to the bottom of the nail rod. A thread is opened at the top of the outer wall of the nail rod. The thread is rotationally connected to the top cap through the nut. A threaded rod is fixedly connected to the bottom of the nut. A rivet process rod is threadedly connected to the bottom of the threaded rod. A plurality of buckle grooves are opened on the front and rear sides of the rivet process rod.

[0009] As a further description of the above technical solution:

[0010] A circular hole is provided at the top of the rivet head, and a fixing column is fixedly connected to the bottom end of the inner wall of the circular hole. Rings are fixedly connected to the tops of the two fixing columns.

[0011] As a further description of the above technical solution:

[0012] A first protective shell is provided at the top of the nail cap. A first screw is threadedly connected to the top of the first protective shell, and the first protective shell is threadedly connected to the nail cap through the first screw.

[0013] As a further description of the above technical solution:

[0014] A plurality of second screws are threadedly connected to the bottom of the nail cap, and a plurality of ventilation holes are provided on the outer wall of the bottom end of the nail cap.

[0015] As a further description of the above technical solution:

[0016] A first fixing groove is provided at the top of the ventilation hole, and a shock-absorbing pad is fixedly connected to the inside of the first fixing groove.

[0017] As a further description of the above technical solution:

[0018] A second fixing groove is provided at the top of the nut, and a magnetic attraction ring is fixedly connected to the inside of the second fixing groove.

[0019] As a further description of the above technical solution:

[0020] Positioning blocks are fixedly connected to both the left and right sides of the process rod of the rivet. A protective sleeve is slidably connected to the outer wall of the positioning block.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by arranging a plurality of fixing plates and positioning grooves on the inner wall of the expansion part of the nail cap, the rivet can be positioned more accurately, avoiding installation problems caused by inaccurate alignment. The neck-breaking groove of the nail rod and the plurality of positioning rods on the rivet head can enhance the stability of the rivet. The sliding connection mode between the positioning rod and the positioning groove enables the rivet to be more firmly fixed in the set position during the riveting process, thereby improving the stability and reliability of the connection.

[0023] 2. In the present utility model, the connection mechanism realizes precise rotational adjustment and firm fixation through the threaded connection between the nut and the nail rod. The threaded rod at the bottom of the nut is threadedly connected to the rivet process rod, enhancing the stability between the rivet and the nail rod, ensuring the firmness of the connection. Multiple snap grooves are provided on the front and rear sides of the rivet process rod, which not only improves the snap effect of the rivet but also makes installation and disassembly more convenient, optimizes the fixing performance of the rivet, and enhances the flexibility and reliability of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 FIG. is a perspective view of the rivet structure suitable for connecting multiple materials proposed by the present utility model;

[0025] Figure 2 FIG. is a front view of the rivet structure suitable for connecting multiple materials proposed by the present utility model;

[0026] Figure 3 FIG. is a sectional view of the rivet structure suitable for connecting multiple materials proposed by the present utility model;

[0027] Figure 4 FIG. is a schematic structural view of the connection mechanism of the rivet structure suitable for connecting multiple materials proposed by the present utility model.

[0028] LEGEND DESCRIPTION:

[0029] 1. Nail cap; 2. Connection mechanism; 201. Nut; 202. Threaded rod; 203. Rivet process rod; 204. Snap groove; 205. Thread; 3. Expansion part; 4. Fixed plate; 5. Nail rod; 6. Neck-breaking groove; 7. Rivet head; 8. Positioning rod; 9. Round hole; 10. Fixed column; 11. Ring; 12. Protective shell one; 13. Screw one; 14. Screw two; 15. Ventilation hole; 16. Fixed groove one; 17. Shock pad; 18. Fixed groove two; 19. Magnetic attraction ring; 20. Positioning block; 21. Protective sleeve; 22. Positioning groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Refer to Figure 1 、 Figure 2 and Figure 3, an embodiment provided by the present utility model: a rivet structure suitable for connecting multiple materials, including a nail cap 1. Multiple expansion parts 3 are provided at the top of the nail cap 1. Fixed plates 4 are fixedly connected to the inner sides of the multiple expansion parts 3. Positioning grooves 22 are provided on the inner walls of the fixed plates 4 for fixing materials. A nail rod 5 is slidably connected to the inner wall of the nail cap 1. A neck-breaking groove 6 is provided at the top of the outer wall of the nail rod 5 for breaking after fixing. A rivet head 7 is fixedly connected to the top of the nail rod 5. Positioning rods 8 are fixedly connected to the peripheries of the outer walls of the rivet head 7. The positioning rods 8 are slidably connected to the positioning grooves 22 for fixing multiple materials. A connecting mechanism 2 is provided at the bottom of the nail rod 5. The connecting mechanism 2 is used for fixing materials;

[0032] Specifically, the stable connection of multiple materials is achieved through the expansion parts 3 of the nail cap 1 and the internal fixed plates 4. The nail rod 5 is slidably installed in the nail cap 1. The neck-breaking groove 6 on its outer wall is used to break the nail rod 5. The positioning rods 8 of the rivet head 7 cooperate with the positioning grooves 22 in the nail cap 1 to position the rivet head 7 inside the fixed plate 4, ensuring the stable connection of the rivet between different materials. The sliding fit of the positioning rods 8 and the positioning grooves 22 provides accurate positioning and adjustment functions.

[0033] Refer to Figure 3 and Figure 4 , the connecting mechanism 2 includes a nut 201. The nut 201 is fixedly connected to the bottom of the nail rod 5. A thread 205 is provided at the top of the outer wall of the nail rod 5. The thread 205 is rotationally connected to the top cap 1 through the nut 201 and can be used for matching with various riveting machines. A threaded rod 202 is fixedly connected to the bottom of the nut 201. A rivet process rod 203 is threadedly connected to the bottom of the threaded rod 202 and can be used for disassembly. Multiple buckle grooves 204 are provided on the front and rear sides of the rivet process rod 203 for connecting to the riveting machine;

[0034] Specifically, the connecting mechanism 2 is rotationally connected through the nut 201 and the thread 205 on the nail rod 5 to achieve adaptation to different riveting machines. The threaded rod 202 at the bottom of the nut 201 is threadedly connected to the rivet process rod 203, facilitating disassembly operations. The buckle grooves 204 on both sides of the rivet process rod 203 are used for docking with the accessories of the riveting machine to ensure stable connection and rapid installation and disassembly. It provides flexible compatibility and high operational convenience.

[0035] Refer to Figure 1 , Figure 2 and Figure 3, a round hole 9 is provided at the top of the rivet head 7, fixed columns 10 are fixedly connected to the inner bottom walls of the round holes 9, a ring 11 is fixedly connected to the tops of the two fixed columns 10, which is used for hanging ornaments. A first protective shell 12 is provided at the top of the nail cap 1, and a first screw 13 is threadedly connected to the top of the first protective shell 12. The first protective shell 12 is threadedly connected to the top of the nail cap 1 through the first screw 13, which is used to reinforce the expansion part 3 to prevent it from bursting. A plurality of second screws 14 are threadedly connected to the bottom of the nail cap 1, which are used to reinforce the nail cap 1. A plurality of ventilation holes 15 are provided on the outer wall of the bottom end of the nail cap 1 for ventilation;

[0036] Specifically, two fixed columns 10 are fixed to the inner wall of the round hole 9 at the top of the rivet head 7, and a ring 11 is connected to the top of the fixed column 10 for hanging. A first protective shell 12 is installed at the top of the nail cap 1, and the first protective shell 12 is threadedly connected to the nail cap 1 through a first screw 13. It is mainly used to reinforce the expansion part 3 to prevent it from bursting during use. A plurality of second screws 14 at the bottom of the nail cap 1 are used to further reinforce the nail cap 1 to ensure its stability during use. A plurality of ventilation holes 15 are provided on the outer wall of the bottom end of the nail cap 1 to improve the stability, durability and operation convenience of the rivet structure.

[0037] Refer to Figure 1 Figure 2 and Figure 3 , a first fixing groove 16 is provided at the top of the ventilation hole 15, and a shock pad 17 is fixedly connected to the inner wall of the first fixing groove 16, which is used to prevent the device from falling off due to shock during operation. A second fixing groove 18 is provided at the top of the nut 201, and a magnetic attraction ring 19 is fixedly connected to the inner wall of the second fixing groove 18, which is used to make the installation more convenient. Positioning blocks 20 are fixedly connected to the left and right sides of the rivet process rod 203, and a protective sleeve 21 is slidably connected to the outer wall of the positioning block 20 for protection before unpacking;

[0038] Specifically, a shock pad 17 is fixedly connected to the inner wall of the first fixing groove 16 at the top of the ventilation hole 15. The gasket can absorb the vibration generated by the device during operation, thereby preventing the components from falling off. A magnetic attraction ring 19 is fixed to the inner wall of the second fixing groove 18 at the top of the nut 201. During the installation process, the magnetic attraction ring 19 can help to align and fix the nut 201 more conveniently. Positioning blocks 20 are fixedly connected to the left and right sides of the rivet process rod 203, and a protective sleeve 21 is slidably connected to the outer wall of the positioning block 20, which is used to protect the process rod from damage during unpacking and installation, and also facilitate operation and maintenance.

[0039] Working principle: Multiple fixing plates 4 are fixedly arranged inside the expansion part 3 at the top of the nail cap 1. The positioning grooves 22 on the fixing plates 4 are used to accurately fix different materials. A neck-breaking groove 6 is formed at the top of the nail rod 5 which is slidably connected inside the nail cap 1. After being fixed, the nail rod 5 is broken through the neck-breaking groove 6 to ensure firm fixation. On the rivet head 7 at the top of the nail rod 5, multiple positioning rods 8 are slidably connected with the positioning grooves 22, enabling the rivet to be effectively aligned and fix various materials, ensuring stable and reliable fixation in multi-material connections.

[0040] The connecting mechanism 2 is threadedly connected with the nail rod 5 through the nut 201, ensuring the stable fixation of the nail rod 5. The thread 205 of the nut 201 is precisely matched with the thread of the nail rod 5, allowing for compatibility with different riveting machines and convenient adjustment. The threaded rod 202 at the bottom of the nut 201 is connected with the riveting process rod 203, simplifying the installation and disassembly process of the riveting process rod 203. The snap groove 204 of the riveting process rod 203 is docked with the riveting machine accessories, ensuring stable fixation and also allowing for quick replacement, improving the operation efficiency.

[0041] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rivet structure suitable for connecting multiple materials, comprising a rivet cap (1), characterized in that: The top of the nail cap (1) is provided with a plurality of expansion parts (3), the inner sides of the plurality of expansion parts (3) are fixedly connected to a fixing plate (4), the inner walls of the plurality of fixing plates (4) are provided with a positioning groove (22), the inner wall of the nail cap (1) is slidably connected to a nail rod (5), the top of the outer wall of the nail rod (5) is provided with a neck-breaking groove (6), the top of the nail rod (5) is fixedly connected to a rivet head (7), the outer wall of the rivet head (7) is fixedly connected to positioning rods (8) all around, the positioning rods (8) are slidably connected to the positioning grooves (22), and the bottom of the nail rod (5) is provided with a connecting mechanism (2), the connecting mechanism (2) is used to fix the material.

2. The rivet structure suitable for connecting multiple materials according to claim 1, characterized in that: The connecting mechanism (2) comprises a nut (201), the nut (201) being fixedly connected to the bottom of the nail rod (5), a thread (205) being provided at the top of the outer wall of the nail rod (5), the thread (205) being rotatably connected to the nail cap (1) through the nut (201), a threaded rod (202) being fixedly connected to the bottom of the nut (201), a rivet craft rod (203) being threadedly connected to the bottom of the threaded rod (202), and a plurality of buckle grooves (204) being provided on the front and rear sides of the rivet craft rod (203).

3. The rivet structure suitable for connecting multiple materials according to claim 1, characterized in that: A circular hole (9) is formed at the top of the rivet head (7), a fixing column (10) is fixedly connected to the bottom end of the inner wall of the circular hole (9), and a circular ring (11) is fixedly connected to the top of the two fixing columns (10).

4. The rivet structure suitable for connecting multiple materials according to claim 1, characterized in that: A protective shell 1 (12) is provided on the top of the nail cap (1), a screw 1 (13) is threadedly connected to the top of the protective shell 1 (12), and the protective shell 1 (12) is threadedly connected to the nail cap (1) via the screw 1 (13).

5. The rivet structure suitable for connecting multiple materials according to claim 1, characterized in that: The bottom of the nail cap (1) is threadedly connected with a plurality of screws (14), and the outer wall of the bottom end of the nail cap (1) is provided with a plurality of ventilation holes (15).

6. The rivet structure suitable for connecting multiple materials according to claim 5, characterized in that: A fixing groove (16) is provided at the top of the ventilation hole (15), and a shock-absorbing pad (17) is fixedly connected to the inner side of the fixing groove (16).

7. The rivet structure suitable for connecting multiple materials according to claim 2, characterized in that: A second fixing groove (18) is provided on the top of the nut (201), and a magnetic attraction ring (19) is fixedly connected to the inner side of the second fixing groove (18).

8. The rivet structure suitable for connecting multiple materials according to claim 2, characterized in that: The left and right sides of the rivet process rod (203) are both fixedly connected with positioning blocks (20), and the outer wall of the positioning block (20) is slidably connected with a protective sleeve (21).

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