Waterproof anti-loose rivet nut

Abstract

The utility model provides a waterproof anti-loosening rivet nut which comprises a rivet nut body. A flange is arranged at the head part of the rivet nut body; a waterproof anti-loosening piece is assembled at the tail part of the rivet nut body in a shrinking manner; a riveting part is arranged at the lower part of the flange; the interior of the riveting part is hollow to form a riveting inner hole; an internal thread is arranged in the lower end of the rivet nut body; the waterproof anti-loosening nylon ring preassembled in the tail inner hole of the pull rivet nut body is precisely combined with the threads of the assembling bolt, the waterproof anti-loosening nylon ring is in interference fit with the threads of the assembling bolt, the waterproof anti-loosening nylon ring is arranged in the tail inner hole of the pull rivet nut body, and the waterproof anti-loosening piece is arranged in the waterproof anti-loosening nylon ring. According to the rivet nut, the elasticity of the waterproof and anti-loosening nylon ring is utilized to firmly hold the threads of the assembly bolt, so that the rivet nut has high sealing performance and large mechanical friction force, the waterproof and anti-loosening effects are achieved, and the problem that after a traditional rivet nut is assembled with the bolt, the sealing performance between the threads is poor, and the waterproof performance cannot be achieved can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut technical field, especially is a waterproof anti-loose rivet nut. BACKGROUND

[0002] In the existing connecting piece technology, the connection between the nut and the plate usually relies on welding, threaded connection or other mechanical fixing methods. However, these methods have some shortcomings in some application scenarios. For example, welding may damage the original surface of the plate, affecting its aesthetic appearance and corrosion resistance; threaded connection requires pre-punching and tapping on the plate, increasing the processing cost and complexity. In addition, the traditional connection method may not have sufficient connection strength when bearing shear force or torque, which may easily lead to loosening or failure. The connection strength between the nut and the plate is not stable enough and may be affected by external factors, and the traditional rivet nut has poor sealing performance between threads after assembly with the bolt and does not have waterproof performance. Therefore, it is necessary to provide a waterproof anti-loose rivet nut to solve the above problems. SUMMARY

[0003] The utility model discloses a waterproof anti-loose rivet nut, which is assembled with a waterproof anti-loose piece in the tail hole of the rivet nut body. The waterproof anti-loose nylon ring and the threaded bolt are in interference fit. The elastic waterproof anti-loose nylon ring tightly holds the threaded bolt together, which has high sealing performance and large mechanical friction. Therefore, the waterproof anti-loose rivet nut can solve the problem of poor sealing performance between threads after assembly with the bolt and cannot achieve waterproof performance. The increased friction between the nylon ring and the bolt can also solve the problem of bolt loosening.

[0004] To achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a waterproof anti-loose rivet nut, comprising a rivet nut body; wherein: the head of the rivet nut body is provided with a flange; the tail of the rivet nut body is provided with a waterproof anti-loose piece; the lower part of the flange is provided with a riveting part; the riveting part is hollow inside to form a riveting inner hole; the lower end of the rivet nut body is provided with an internal thread; one end of the internal thread is in communication with the riveting inner hole, and the other end is in communication with the waterproof anti-loose piece.

[0005] Further improvement of the utility model technical scheme, the waterproof anti-loose piece is a waterproof anti-loose nylon ring; the waterproof anti-loose nylon ring is in interference fit with the threaded bolt.

[0006] Further improvement of the utility model technical scheme, the riveting part is deformed into a riveting bulge part through riveting, which cooperates with the flange to clamp the assembly workpiece.

[0007] Further as improvement of the technical scheme of the utility model, the assembly bolt assembles the second assembly workpiece on the pull rivet nut body.

[0008] Further as improvement of the technical scheme of the utility model, the pull rivet nut body is made of one of stainless steel 304, stainless steel 316, carbon steel, copper and aluminum alloy.

[0009] The utility model has the following beneficial effects:

[0010] The waterproof and anti-loose principle of the waterproof and anti-loose pull rivet nut is that the waterproof and anti-loose piece preassembled in the tail inner hole of the pull rivet nut body is precisely combined with the thread of the assembly bolt, the waterproof and anti-loose nylon ring is in interference fit with the thread of the assembly bolt, the waterproof and anti-loose nylon ring is tightly held together by the elasticity, the waterproof and anti-loose pull rivet nut has higher sealing property and greater mechanical friction, thereby achieving the waterproof and anti-loose effect, and solving the problem that the conventional pull rivet nut cannot achieve the waterproof property due to poor sealing property between threads after being assembled with the bolt. BRIEF DESCRIPTION OF DRAWINGS

[0011] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-restrictive embodiments with reference to the accompanying drawings:

[0012] Figure 1 It is a three-dimensional structure schematic view of the waterproof and anti-loose pull rivet nut of the utility model;

[0013] Figure 2 It is a plane perspective structure schematic view of the waterproof and anti-loose pull rivet nut of the utility model;

[0014] Figure 3 It is Figure 2 A-A sectional view;

[0015] Figure 4 It is an assembly structure schematic view of the waterproof and anti-loose pull rivet nut of the utility model and the first assembly workpiece and the second assembly workpiece.

[0016] In the drawings: 100-pull rivet nut body;200-assembly bolt;201-outer thread;300-first assembly workpiece;400-second assembly workpiece;1-flange;2-waterproof and anti-loose nylon ring;3-riveting portion;4-riveting inner hole;5-inner thread;31-riveting bulging portion. DETAILED DESCRIPTION

[0017] The utility model will be explained in detail below in combination with the drawings and specific embodiments, here the utility model's illustrative embodiment and explanation are used to explain the utility model, but not as the limitation of the utility model.

[0018] It needs to be explained that all directionality instructions (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) in the utility model embodiment are only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture (such as shown in the drawings), if the specific posture changes, then the directionality instruction also changes accordingly.

[0019] In the utility model, unless another explicit provision and limitation, the term "connect" should be understood broadly, for example, "connect" can be fixed connection, can also be detachable connection, or be integrated;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through intermediate medium, can be the communication or mutual action relationship of two elements inside, unless another explicit limitation. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances.

[0020] In addition, in the utility model, the description such as "first", "second" and the like is only used for the description purpose, and can not be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature;In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on that ordinary skilled in the art can realize, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not in the protection scope required by the utility model.

[0021] The utility model will be explained in detail below in combination with the drawings and specific embodiments, here the utility model's illustrative embodiment and explanation are used to explain the utility model, but not as the limitation of the utility model.

[0022] Please refer to Figures 1 to 4The utility model provides a technical scheme: a waterproof and anti-loose rivet nut, including rivet nut body 100, wherein: the head of rivet nut body 100 is provided with flange 1, the tail of rivet nut body 100 is equipped with waterproof and anti-loose piece, the lower part of flange 1 is equipped with riveting portion 3, the inside of riveting portion 3 is hollow and forms riveting inner hole 4, the lower end of rivet nut body 100 is equipped with internal thread 5, one end of internal thread 5 is communicated with riveting inner hole 4, and the other end is communicated with waterproof and anti-loose piece.It needs to be explained that the waterproof and anti-loose principle of the waterproof and anti-loose rivet nut of the utility model is that waterproof and anti-loose piece preassembled in the tail hole of rivet nut body 100 is precisely combined with the thread of assembly bolt 200, so that it has higher sealing property and greater mechanical friction, thereby achieving waterproof and anti-loose effect, and the problem that the sealing property between threads after the assembly of traditional rivet nut and bolt is poor and cannot achieve waterproof property is solved.

[0023] Specifically, in the embodiment, the waterproof and anti-loose piece is a waterproof and anti-loose nylon ring 2, and the waterproof and anti-loose nylon ring 2 is interference-fitted with the thread of the assembly bolt 200.It needs to be explained that the waterproof and anti-loose nylon ring 2 and the assembly bolt 200 are interference-fitted, the waterproof and anti-loose nylon ring 2 is tightly held together with the thread of the assembly bolt 200 by using the elasticity of the waterproof and anti-loose nylon ring 2, so that it has higher sealing property and greater mechanical friction, thereby achieving waterproof and anti-loose effect.

[0024] Specifically, in the embodiment, the riveting portion 3 is formed into a riveting bulge portion 31 by riveting deformation, and the riveting bulge portion 31 cooperates with the flange 1 to clamp the assembly workpiece one 300.It needs to be explained that the waterproof and anti-loose rivet nut is riveted on the assembly workpiece one 300 by using a special riveting tool, and the riveting bulge portion 31 formed by the head flange 1 and the riveting portion 3 of the waterproof and anti-loose rivet nut under stress tightly clamps the metal plate of the assembly workpiece one 300 without loosening.

[0025] Specifically, in the embodiment, the assembly bolt 200 is used to assemble the assembly workpiece two 400 on the rivet nut body 100.It needs to be explained that the assembly bolt 200 is used to assemble the assembly workpiece two 400 on the waterproof and anti-loose rivet nut, one end of the external thread 201 of the assembly bolt 200 passes through the waterproof and anti-loose nylon ring 2, and the waterproof and anti-loose nylon ring 2 and the assembly bolt 200 are interference-fitted, the waterproof and anti-loose nylon ring 2 is tightly held together with the assembly bolt 200 by using the elasticity of the waterproof and anti-loose nylon ring 2, so that waterproof and anti-loose effect is achieved.

[0026] Specifically, in the embodiment, the pull rivet nut body 100 is made of one of stainless steel 304, stainless steel 316, carbon steel, copper, and aluminum alloy.

[0027] The waterproof and anti-loose pull rivet nut thread specification is:

[0028] The pull rivet nut can be manufactured into ISO standard thread, national standard thread and American standard thread according to the use requirement.

[0029] The commonly used national standard thread specifications are M4, M5, M6, M8 and M10.

[0030] The commonly used American standard thread specifications are 8-24UNC, 10-24UNC, 1 / 4-20UNC, 5 / 16-18UNC and 3 / 8-16UNC.

[0031] The waterproof and anti-loose pull rivet nut head shape design is:

[0032] The waterproof and anti-loose pull rivet nut can be designed in diameter and thickness of the head according to the use function requirement, and the head can be designed into a flat head, a 90-degree large countersunk head and a 120-degree small countersunk head.

[0033] The waterproof and anti-loose pull rivet nut size design is:

[0034] The waterproof and anti-loose pull rivet nut can be designed according to the specifications and sizes of the traditional pull rivet nut, and the outer diameter and length size can be adjusted and designed according to the thickness of the structural part.

[0035] In summary, the waterproof and anti-loose pull rivet nut product of the utility model is based on the technology of the traditional pull rivet nut and increases the waterproof and anti-loose functions, can realize the problem that the traditional pull rivet nut cannot achieve the waterproof performance due to poor sealing performance between threads after being assembled with the bolt, and solves the problem of bolt loosening through the increased friction between the nylon ring and the bolt.

[0036] The waterproof and anti-loose pull rivet nut product of the utility model is a new technology produced by the precise mold design technology and the automatic high-speed production of the stamping equipment.

[0037] The waterproof and anti-loose pull rivet nut product and the riveting technology can realize industrial automatic assembly, ensure the thread sealing performance and anti-loose effect of the structural part, improve the industrial manufacturing application value of the pull rivet nut product, and reduce the quality and safety hidden danger of thread loosening.

[0038] The technical solutions provided by the embodiments of the present application are described in detail above, and the principles and implementation manners of the embodiments of the present application are described by applying specific examples; the above description of the embodiments is only applicable to helping understand the principles of the embodiments of the present application; meanwhile, for the general technical personnel in the art, the embodiments of the present application will have changes in the specific implementation manners and application ranges, and the above description should not be understood as the limitation of the embodiments of the present application.

Claims

1. A waterproof and anti-loose pull-in rivet nut comprising a pull-in rivet nut body; characterized in that: The head of the pull rivet nut body is provided with a flange; the tail of the pull rivet nut body is provided with a waterproof and anti-loose piece; the lower part of the flange is provided with a riveting part; the riveting part is internally hollow to form a riveting inner hole; the lower end of the pull rivet nut body is internally provided with an internal thread; one end of the internal thread is communicated with the riveting inner hole, and the other end is communicated with the waterproof and anti-loose piece.

2. A waterproof anti-loose tensioned rivet nut according to claim 1, characterized in that: The waterproof and anti-loose piece is a waterproof and anti-loose nylon ring; the waterproof and anti-loose nylon ring is in interference fit with the thread of the assembly bolt.

3. A waterproof anti-loose pull-up rivet nut according to claim 2, characterized in that: The riveting part is deformed by pulling riveting to form a riveting bulge part to clamp the assembly workpiece one in cooperation with the flange.

4. The waterproof and anti-loose pull rivet nut according to claim 2, characterized in that: The assembly bolt is used to assemble the assembly workpiece two on the pull rivet nut body.

5. The waterproof and anti-loose pull rivet nut according to claim 1, characterized in that: The pull rivet nut body is made of one of stainless steel 304, stainless steel 316, carbon steel, copper and aluminum alloy.

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