Flat-head semi-hexagonal blind hole gluing rivet nut

Abstract

The utility model relates to the field of fasteners, and discloses a flat-head semi-hexagonal blind hole gluing pull rivet nut which comprises a nut body, a deformable part is arranged at the top end of the nut body, a nut head is arranged at the top end of the deformable part, a hexagonal hole is formed in the nut head, and the hexagonal hole is connected with the nut body. A progressive expansion groove is formed in the nut body, a wear-resistant coating is arranged in the progressive expansion groove, and a first positioning piece is fixedly connected to the outer portion of the joint of the deformable part and the nut body. According to the flat-head semi-hexagonal blind hole gluing pull rivet nut, the gluing quality can be improved and the gluing friction force can be enhanced through the gluing grooves and the anti-falling convex grooves which are evenly formed in the gluing part, when the nut body is installed, the deformable part deforms, the first positioning piece and the second positioning piece are both attached to a plate after deformation, and therefore the gluing quality is improved. The first positioning piece and the second positioning piece can enhance the stability of the joint, the structure achieves the function of being not prone to degumming and deformation, and the problem that degumming and deformation are prone to occurring is solved.

Description

Technical Field

[0001] This utility model relates to the field of fastener technology, specifically a flat-head semi-hexagonal blind hole glued rivet nut. Background Technology

[0002] Flat-head adhesive-coated rivet nuts, also known as glued rivet nuts or glued rivet nuts, are fasteners that combine mechanical riveting and adhesive sealing. They are suitable for applications requiring anti-loosening, waterproofing, or corrosion resistance, such as the automotive, electronics, and construction industries.

[0003] Currently, common flat-head glued rivet nuts require glue application during use. The glued area of ​​the flat-head glued rivet nut is relatively flat, resulting in poor adhesion between the glue and the rivet nut. Furthermore, when using a flat-head glued rivet nut, the deformable area is easily deformed by compression, causing the glue to detach and affecting the stability of the connection.

[0004] There is an urgent need for a flat-head, semi-hexagonal, blind-hole adhesive-coated rivet nut to address the technical deficiencies mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a flat-head semi-hexagonal blind hole glued rivet nut to solve the problem of easy glue detachment and deformation mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a flat-head semi-hexagonal blind hole glue-coated rivet nut, comprising a nut body, a deformable part at the top of the nut body, a nut head at the top of the deformable part, a hexagonal hole inside the nut head, a progressive expansion groove inside the nut body, a wear-resistant coating inside the progressive expansion groove, a first positioning piece externally fixedly connected to the connection between the deformable part and the nut body, a second positioning piece externally fixedly connected to the connection between the deformable part and the nut head, a glue-coating part between the second positioning piece and the nut head, glue-coating grooves uniformly distributed on the outer surface of the glue-coating part, and an anti-loosening protrusion at the bottom of the nut head.

[0007] As a further technical solution of this utility model, the anti-loosening groove is provided in six sets, and the anti-loosening groove is distributed in a ring at the bottom end of the nut head.

[0008] As a further technical solution of this utility model, the adhesive coating part is trapezoidal, and the adhesive coating grooves are evenly distributed on the outside of the adhesive coating part.

[0009] As a further technical solution of this utility model, the first positioning piece and the second positioning piece are the same size, and the materials of the first positioning piece and the second positioning piece are the same as the material of the nut body.

[0010] As a further technical solution of this utility model, the outer surfaces of the nut body and the nut head are provided with an anti-oxidation coating.

[0011] As a further technical solution of this utility model, the anti-oxidation coating is applied to the exterior of the nut body and the nut head using a zinc plating process.

[0012] As a further technical solution of this utility model, the wear-resistant coating is applied to the progressive expansion groove inside the nut body using a nickel plating process.

[0013] As a further technical solution of this utility model, the nut head, deformable part, nut body, first positioning piece and second positioning piece are integrally formed.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the flat-head semi-hexagonal blind hole glued rivet nut not only achieves the function of not being easy to delaminate and deform, and the function of more stable riveting, but also achieves the function of anti-oxidation and durability;

[0015] (1) By setting a nut head, a deformable part, a first positioning piece, a second positioning piece, an adhesive part, an adhesive groove, and an anti-detachment groove, adhesive needs to be applied to the nut head and the adhesive part before using the nut body. The adhesive part, the evenly opened adhesive groove, and the anti-detachment groove can increase the amount of adhesive and enhance the friction of the adhesive bonding. When the nut body is installed, the deformable part deforms. After deformation, the first positioning piece and the second positioning piece are both attached to the plate. The first positioning piece and the second positioning piece can enhance the stability of the connection. This structure realizes the function of not being easily debonded and deformed, and improves the stability of the installation.

[0016] (2) By setting the nut body, progressive expansion groove and hexagonal hole, when installing the nut, the nut body needs to be inserted into the corresponding mounting hole first, and then pulled back to make the deformable part deform and fix it on the mounting hole. Then the connector can be used to connect with the nut body. The progressive expansion groove inside the nut body adopts an asymmetrical slotting design, which makes the radial expansion more uniform after riveting, reduces the risk of thin plate deformation, and the structure uses more stable functions.

[0017] (3) By setting a nut body, an anti-oxidation coating and a wear-resistant coating, the outermost anti-oxidation coating of the nut body can improve the overall anti-oxidation effect. The anti-oxidation coating is covered on the surface of the nut by galvanizing. The wear-resistant coating is set inside the nut body. When the connector is rotated and connected to the inside of the nut body, the wear-resistant coating can enhance the wear resistance and reduce the wear in the connection area. This structure achieves wear-resistant and anti-oxidation durability. Attached Figure Description

[0018] Figure 1 This is a frontal cross-sectional view of the present invention.

[0019] Figure 2 This is a front view schematic diagram of the nut head structure of this utility model;

[0020] Figure 3 This is a top view of the structure of this utility model;

[0021] Figure 4 This is a bottom view of the nut head of this utility model.

[0022] In the figure: 1. Nut head; 2. Deformable part; 3. Nut body; 4. Anti-oxidation coating; 5. Progressive expansion groove; 6. Wear-resistant coating; 7. First positioning piece; 8. Second positioning piece; 9. Adhesive application part; 10. Adhesive application groove; 11. Hexagonal hole; 12. Anti-loosening protrusion. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4 An embodiment of this utility model is provided: a flat-head semi-hexagonal blind hole glued rivet nut, including a nut body 3, a deformable part 2 is provided at the top of the nut body 3, a nut head 1 is provided at the top of the deformable part 2, a hexagonal hole 11 is provided inside the nut head 1, a wear-resistant coating 6 is provided inside the progressive expansion groove 5, a first positioning piece 7 is fixedly connected to the connection between the deformable part 2 and the nut body 3, a second positioning piece 8 is fixedly connected to the connection between the deformable part 2 and the nut head 1, a glued part 9 is provided between the second positioning piece 8 and the nut head 1, glued grooves 10 are uniformly provided on the outer surface of the glued part 9, and an anti-loosening protrusion 12 is provided at the bottom of the nut head 1;

[0025] The anti-loosening groove 12 is provided in six sets. The anti-loosening groove 12 is distributed in a ring at the bottom end of the nut head 1. The glue application part 9 is trapezoidal. The glue application groove 10 is distributed at equal intervals outside the glue application part 9. The first positioning piece 7 and the second positioning piece 8 are the same size. The first positioning piece 7 and the second positioning piece 8 are made of the same material as the nut body 3.

[0026] Specifically, such as Figure 1 , Figure 2 and Figure 4As shown, before using the nut body 3, glue needs to be applied to the nut head 1 and the glue application part 9. The glue application part 9, with its evenly spaced glue application grooves 10 and anti-detachment protrusions 12, can increase the amount of glue applied and enhance the friction of the glue adhesion. When installing the nut body 3, the deformable part 2 deforms. After deformation, the first positioning piece 7 and the second positioning piece 8 are both attached to the plate. The first positioning piece 7 and the second positioning piece 8 can enhance the stability of the connection.

[0027] The nut body 3 has a progressive expansion groove 5 inside. The nut head 1, deformable part 2, nut body 3, first positioning piece 7 and second positioning piece 8 are integrally formed.

[0028] Specifically, such as Figure 1 and Figure 2 As shown, when installing the nut, the nut body 3 needs to be inserted into the corresponding mounting hole first, and then pulled back to deform the deformable part 2 and fix it on the mounting hole. Then the connector can be used to connect it to the nut body 3. The progressive expansion groove 5 inside the nut body 3 adopts an asymmetrical slotting design, which makes the radial expansion more uniform after riveting and reduces the risk of thin plate deformation.

[0029] An anti-oxidation coating 4 is provided on the outside of the nut body 3 and the nut head 1. The anti-oxidation coating 4 is covered on the outside of the nut body 3 and the nut head 1 by zinc plating process. The wear-resistant coating 6 is covered on the progressive expansion groove 5 inside the nut body 3 by nickel plating process.

[0030] Specifically, such as Figure 1 and Figure 3 As shown, the outermost anti-oxidation coating 4 of the nut body 3 can improve the overall anti-oxidation effect. The anti-oxidation coating 4 is covered on the surface of the nut by galvanizing. The wear-resistant coating 6 is set inside the nut body 3. When the connector is rotated and connected to the inside of the nut body 3, the wear-resistant coating 6 can enhance the wear resistance and reduce the wear in the connection area.

[0031] Working principle: Before using the nut body 3, glue needs to be applied to the nut head 1 and the glue application part 9. The glue application part 9, with its evenly spaced glue application grooves 10 and anti-loosening protrusions 12, can increase the amount of glue applied and enhance the friction of the glue adhesion. When installing the nut body 3, the nut body 3 needs to be inserted into the corresponding mounting hole first, and then pulled back to deform the deformable part 2 and fix it on the mounting hole. After the deformable part 2 deforms, the first positioning piece 7 and the second positioning piece 8 are both attached to the plate. 8 can enhance the stability of the connection. The progressive expansion groove 5 inside the nut body 3 adopts an asymmetrical grooving design, which makes the radial expansion more uniform after riveting and reduces the risk of thin plate deformation. The outermost anti-oxidation coating 4 of the nut body 3 can improve the overall anti-oxidation effect. The anti-oxidation coating 4 is covered on the surface of the nut by galvanizing. The wear-resistant coating 6 is set inside the nut body 3. When the connector is rotated and connected to the inside of the nut body 3, the wear-resistant coating 6 can enhance the wear resistance and reduce the wear in the connection area. This structure achieves wear-resistant and oxidation-resistant durability.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A flat-head semi-hexagonal blind hole glued rivet nut, comprising a nut body (3), characterized in that: The nut body (3) has a deformable part (2) at its top end, and a nut head (1) at its top end. The nut head (1) has a hexagonal hole (11) inside. The nut body (3) has a progressive expansion groove (5) inside. The progressive expansion groove (5) has a wear-resistant coating (6) inside. A first positioning piece (7) is fixedly connected to the connection between the deformable part (2) and the nut body (3). A second positioning piece (8) is fixedly connected to the connection between the deformable part (2) and the nut head (1). An adhesive part (9) is provided between the second positioning piece (8) and the nut head (1). An adhesive groove (10) is uniformly provided on the outer surface of the adhesive part (9). An anti-loosening protrusion (12) is provided at the bottom end of the nut head (1).

2. The flat-head semi-hexagonal blind hole glue-coated rivet nut according to claim 1, characterized in that: The anti-detachment groove (12) is provided in six sets, and the anti-detachment groove (12) is distributed in a ring at the bottom end of the nut head (1).

3. The flat-head semi-hexagonal blind hole glue-coated rivet nut according to claim 1, characterized in that: The adhesive coating section (9) is trapezoidal, and the adhesive coating grooves (10) are evenly distributed on the outside of the adhesive coating section (9).

4. The flat-head semi-hexagonal blind hole glued rivet nut according to claim 1, characterized in that: The first positioning piece (7) and the second positioning piece (8) are the same size, and the materials of the first positioning piece (7) and the second positioning piece (8) are the same as the material of the nut body (3).

5. A flat-head semi-hexagonal blind hole glued rivet nut according to claim 1, characterized in that: The nut body (3) and nut head (1) are provided with an anti-oxidation coating (4).

6. A flat-head semi-hexagonal blind hole glued rivet nut according to claim 5, characterized in that: The antioxidant coating (4) is applied to the exterior of the nut body (3) and the nut head (1) using a zinc plating process.

7. A flat-head semi-hexagonal blind hole glued rivet nut according to claim 1, characterized in that: The wear-resistant coating (6) is applied to the progressive expansion groove (5) inside the nut body (3) using a nickel plating process.

8. A flat-head semi-hexagonal blind hole glued rivet nut according to claim 1, characterized in that: The nut head (1), deformable part (2), nut body (3), first positioning piece (7) and second positioning piece (8) are integrally formed.

Images