Anti-loose fastener

Abstract

The utility model discloses an anti-loose fastener which comprises a nut, a threaded rod is fixedly connected to the lower end of the nut, an anti-loose disc is fixedly connected to the outer side of the threaded rod, four bolts are evenly connected to the inner side of the anti-loose disc in a threaded mode, a protective cover is arranged on the outer side of the nut, and a threaded connection hole is formed in the side wall of the anti-loose disc. A nut is arranged at the lower end of the anti-loosening disc, and the outer wall of the nut is in threaded connection with an anti-loosening sharp base. By means of the structure, the installation ring piece and the threaded connection hole are mutually locked in a threaded mode, the nut can be protected in the using process, the nut is not prone to rusting, the bolt is connected to the inner side of the locking piece in a threaded mode, the anti-loosening sharp base is arranged at the lower end of the anti-loosening disc and connected to the outer wall of the nut in a threaded mode, and after installation, the nut is prevented from being loosened. The anti-loosening disc and the anti-loosening sharp base are in threaded connection with each other, and after connection, the anti-loosening disc and the anti-loosening sharp base are in threaded locking through the bolt and the first threaded hole, so that the threaded rod structure is not prone to loosening after being fastened.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-loosening fasteners, in particular to an anti-loosening fastener. Background Art

[0002] When two components are connected, threaded fasteners are required. When the fasteners are used, they are easy to loosen, so it is necessary to set an anti-loosening fastener.

[0003] When anti-loosening fasteners are used, the fasteners in the prior art are prone to rust after use, so that their service life cannot reach expectations. During use, they are generally easy to loosen and difficult to tighten again. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-loosening fastener, which can protect the nut during use, prevent the nut from rusting, and prevent the threaded rod structure from loosening after being tightened.

[0005] In order to achieve the above-mentioned purpose, an anti-loosening fastener is provided, including a nut, the lower end of the nut is fixedly connected to a threaded rod, the outer side of the threaded rod is fixedly connected to an anti-loosening disk, the inner side of the anti-loosening disk is evenly threaded with four bolts, a protective cover is provided on the outer side of the nut, a threaded connection hole is provided on the side wall of the anti-loosening disk, a nut is provided at the lower end of the anti-loosening disk, and the outer wall of the nut is threadedly connected to an anti-loosening tip seat.

[0006] According to the anti-loosening fastener, a locking piece is threadedly connected to the outer side of the bolt, and the lower end of the locking piece is fixedly connected to the upper end of the anti-loosening disk.

[0007] According to the anti-loosening fastener, a mounting ring is fixedly connected to the lower end of the protective cover, a second tightening thread is provided on the outer wall of the mounting ring, and the second tightening thread and the threaded connection hole are thread-locked with each other.

[0008] According to the anti-loosening fastener, the outer wall of the anti-loosening tip seat is provided with a first tightening thread, and the first tightening thread and the inner wall of the anti-loosening disk are threadedly connected.

[0009] According to the anti-loosening fastener, four first threaded holes are evenly arranged on the inner side of the nut, and the first threaded holes and the bolts are correspondingly threadedly connected.

[0010] According to the anti-loosening fastener, the upper end of the anti-loosening disk is fixedly connected with a connecting column, and the upper end of the connecting column is fixedly connected to the lower end of the nut.

[0011] According to the anti-loosening fastener, a second threaded hole is provided between the bolt and the anti-loosening disk.

[0012] Beneficial effects:

[0013] 1. A protective cover is provided at the upper end of the nut, a mounting ring is fixedly connected to the lower end of the protective cover, a second tightening thread is provided at the lower end of the mounting ring, an anti-loosening disk is provided at the lower end of the nut, a threaded connection hole is provided on the inner side of the anti-loosening disk, and the mounting ring and the threaded connection hole are threadedly locked with each other, so that the nut can be protected during use and is not easy to rust.

[0014] 2. A threaded rod is fixedly connected to the lower end of the nut, an anti-loosening disk is fixedly connected to the outer side of the threaded rod, four locking pieces are threadedly connected to the inner side of the anti-loosening disk, bolts are threadedly connected to the inner side of the locking piece, an anti-loosening tip seat is arranged at the lower end of the anti-loosening disk, and the anti-loosening tip seat is threadedly connected to the outer wall of the nut. After installation, the anti-loosening disk and the anti-loosening tip seat are threadedly connected to each other. After connection, they are threadedly locked to each other through the bolt and the first threaded hole, so that the threaded rod structure is not easy to loosen after tightening.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 A three-dimensional diagram of an anti-loosening fastener proposed by the utility model;

[0018] Figure 2 This is a schematic structural diagram of an anti-loosening disk of an anti-loosening fastener proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of a protective cover on the upper end of a nut of an anti-loosening fastener proposed by the utility model;

[0020] Figure 4 The utility model proposed Figure 1 Schematic diagram of the structure at A in the middle.

[0021] Legend:

[0022] 1. Nut; 2. Threaded rod; 3. Anti-loosening disk; 4. Threaded connection hole; 5. Locking piece; 6. Bolt; 7. First tightening thread; 8. First threaded hole; 9. Anti-loosening tip seat; 10. Connecting column; 11. Second threaded hole; 12. Protective cover; 13. Mounting ring; 14. Second tightening thread; 15. Nut. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4 The utility model embodiment provides an anti-loosening fastener, which includes a nut 1, a threaded rod 2 is fixedly connected to the lower end of the nut 1, an anti-loosening disk 3 is fixedly connected to the outer side of the threaded rod 2, four bolts 6 are evenly threadedly connected to the inner side of the anti-loosening disk 3, the bolts 6 are used to fix the anti-loosening disk 3, a protective cover 12 is provided on the outer side of the nut 1, so that the nut 1 can be protected during use so that it is not easy to rust, a threaded connection hole 4 is provided on the side wall of the anti-loosening disk 3, a nut 15 is provided at the lower end of the anti-loosening disk 3, and an anti-loosening tip seat 9 is threadedly connected to the outer wall of the nut 15.

[0025] The outer side of the bolt 6 is threadedly connected with a locking piece 5 , which is used to lock the bolt 6 , and the lower end of the locking piece 5 is fixedly connected to the upper end of the anti-loosening disk 3 .

[0026] A mounting ring 13 is fixedly connected to the lower end of the protective cover 12 , and a second tightening thread 14 is provided on the outer wall of the mounting ring 13 . The second tightening thread 14 and the threaded connection hole 4 are thread-locked with each other.

[0027] The outer wall of the anti-loosening tip seat 9 is provided with a first tightening thread 7, and the first tightening thread 7 makes it easy to install the anti-loosening disk 3 on the outer wall of the anti-loosening tip seat 9, and the first tightening thread 7 and the inner wall of the anti-loosening disk 3 are threadedly connected.

[0028] Four first threaded holes 8 are evenly arranged inside the nut 15 , and the first threaded holes 8 and the bolts 6 are correspondingly threadedly connected.

[0029] The upper end of the anti-loosening plate 3 is fixedly connected with a connecting column 10 , and the upper end of the connecting column 10 is fixedly connected to the lower end of the nut 1 .

[0030] A second threaded hole 11 is provided between the bolt 6 and the anti-loosening plate 3 .

[0031] Working principle: Assemble the device, a protective cover 12 is provided at the upper end of the nut 1, and a mounting ring 13 is fixedly connected at the lower end of the protective cover 12, and a second tightening thread 14 is provided at the lower end of the mounting ring 13, and an anti-loosening disk 3 is provided at the lower end of the nut 1, and a threaded connecting hole 4 is provided on the inner side of the anti-loosening disk 3, and the mounting ring 13 and the threaded connecting hole 4 are threadedly locked with each other, so that the nut 1 can be protected during use, so that it is not easy to rust, and a threaded rod 2 is fixedly connected at the lower end of the nut 1, and an anti-loosening disk 3 is fixedly connected to the outer side of the threaded rod 2, and four locking members 5 are threadedly connected to the inner side of the anti-loosening disk 3, and a bolt 6 is threadedly connected to the inner side of the locking member 5, and an anti-loosening tip seat 9 is provided at the lower end of the anti-loosening disk 3, and the anti-loosening tip seat 9 is threadedly connected to the outer wall of the nut 15. After installation, the anti-loosening disk 3 and the anti-loosening tip seat 9 are threadedly connected to each other. After connection, the bolt 6 and the first threaded hole 8 are threadedly locked with each other, so that the threaded rod 2 structure is not easy to loosen after tightening.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An anti-loosening fastener, comprising a nut (1), characterized in that: The lower end of the nut (1) is fixedly connected to the threaded rod (2), the outer side of the threaded rod (2) is fixedly connected to an anti-loosening disk (3), the inner side of the anti-loosening disk (3) is evenly threadedly connected to four bolts (6), the outer side of the nut (1) is provided with a protective cover (12), the side wall of the anti-loosening disk (3) is provided with a threaded connection hole (4), the lower end of the anti-loosening disk (3) is provided with a nut (15), and the outer wall of the nut (15) is threadedly connected to an anti-loosening pointed seat (9).

2. The anti-loosening fastener according to claim 1, characterized in that: The outer side of the bolt (6) is threadedly connected with a locking piece (5), and the lower end of the locking piece (5) is fixedly connected to the upper end of the anti-loosening plate (3).

3. The anti-loosening fastener according to claim 1, characterized in that: The lower end of the protective cover (12) is fixedly connected to a mounting ring (13), and the outer wall of the mounting ring (13) is provided with a second tightening thread (14), and the second tightening thread (14) and the threaded connection hole (4) are thread-locked with each other.

4. The anti-loosening fastener according to claim 1, characterized in that: The outer wall of the anti-loosening pointed seat (9) is provided with a first tightening thread (7), and the first tightening thread (7) and the inner wall of the anti-loosening disk (3) are threadedly connected.

5. The anti-loosening fastener according to claim 1, characterized in that: Four first threaded holes (8) are evenly arranged on the inner side of the nut (15), and the first threaded holes (8) and the bolts (6) are correspondingly threadedly connected.

6. The anti-loosening fastener according to claim 1, characterized in that: The upper end of the anti-loosening plate (3) is fixedly connected to a connecting column (10), and the upper end of the connecting column (10) is fixedly connected to the lower end of the nut (1).

7. The anti-loosening fastener according to claim 1, characterized in that: A second threaded hole (11) is provided between the bolt (6) and the anti-loosening plate (3).

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