Anti-loosening type wind power nut

Abstract

The utility model relates to the technical field of fasteners, in particular to an anti-loosening wind power nut which comprises an upper nut, a lower nut, a pressing disc, fixing devices and reinforcing blocks, the upper nut is in threaded connection with the lower nut on the lower side, the lower nut is connected with the pressing disc on the lower side, and the fixing devices and the reinforcing blocks are arranged on the side edge of the lower nut at intervals. One side of the reinforcing block is connected with the lower nut, and the lower side of the reinforcing block is connected with the pressure plate. According to the anti-loosening wind power nut, the interior of the nut is clamped and fixed through the arranged fixing device, loosening is prevented, the nut can be stably connected in a high-vibration environment, and safe operation of equipment is guaranteed; by using the nut, the safety and stability of equipment can be improved, the durability of a fastener is improved, the service life of the equipment is prolonged, and the maintenance cost is reduced.

Description

[Technical field]

[0001] The utility model relates to the technical field of fasteners, and more specifically, to an anti-loosening type wind power nut. [Background technology]

[0002] Bolts and nuts are one of the common mechanical fasteners and are widely used in aerospace, engineering machinery, rail transportation, automotive molds, medical equipment, electronic information, machine tools and other fields. Ordinary standard threaded connections are safe and reliable under static loads, but when ordinary standard nuts are in vibration, impact and other environments, the friction between the thread pairs will gradually decrease or disappear, resulting in threaded connections being unscrewed or loosened. In actual engineering, such failures can easily lead to the machine not being able to work properly or even catastrophic accidents. Therefore, solving the problem of loose threaded connections in engineering practice has become a major problem that needs to be solved urgently.

[0003] An existing anti-loosening hexagonal round nut, with announcement number: CN 217476750 U, includes a device body and a bolt, the device body includes a first nut, the top of the inner wall of the first nut is provided with three snap-in grooves, the top of the first nut is provided with a second nut, the bottom of the inner wall of the second nut is provided with three plug-in plates, the device body includes a snap-in plate, the inner side of the bottom of the snap-in plate is movably connected to the outer wall of the bottom of the first nut. The second nut is tightly connected to the first nut through the connection between the plug-in plate and the snap-in groove, the connecting pin passes through the connecting hole and is connected to the fixing hole, the connection between the first nut and the second nut can be reinforced, the snap-in plate can be snapped to the bottom of the outer wall of the first nut, the second nut can be prevented from being separated from the first nut, and the first nut can be stably sleeved on the outside of the bolt. This anti-loosening hexagonal round nut has a good anti-loosening ability, but the installation is more complicated during use, resulting in a long construction time, it is not suitable for use scenarios that require quick installation, and the anti-loosening performance of the bottom of the nut is poor. [Contents of the utility model]

[0004] In order to overcome the above-mentioned defects of the prior art, the purpose of the utility model is to provide an anti-loosening type wind power nut, which provides good anti-loosening performance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-loosening wind power nut, comprising an upper nut, a lower nut, a pressure plate, a fixing device, and a reinforcement block, wherein the upper nut is threadedly connected to the lower nut on the lower side, the lower nut is connected to the lower pressure plate, and fixing devices and reinforcement blocks are arranged at intervals on the sides of the lower nut, one side of the reinforcement block is connected to the lower nut, and the lower side of the reinforcement block is connected to the pressure plate.

[0006] Preferably, the upper nut comprises an upper nut body, a lower protrusion, and an upper nut inner cavity. The cross-section of the upper nut body is a regular hexagon. The lower protrusion is connected to the upper nut body below, and an upper nut inner cavity is provided in the upper nut body and the lower protrusion.

[0007] Preferably, the cross-section of the lower protrusion is circular, a positive external thread is provided on the outer side of the lower protrusion, and a negative internal thread is provided in the inner cavity of the upper nut.

[0008] Preferably, the lower nut includes a lower nut body, a lower nut upper cavity, a lower nut lower cavity, and a fixing groove. The lower nut body has a hexagonal cross-section, a lower nut upper cavity and a lower nut lower cavity are provided in the lower nut body, and a plurality of fixing devices are provided on the outside of the lower nut body.

[0009] Preferably, the upper cavity of the lower nut is provided with an internal thread matched with the external thread of the lower protrusion, and the lower cavity of the lower nut is provided with an internal thread identical to the internal thread of the inner cavity of the upper nut.

[0010] Preferably, the pressure plate is disc-shaped, and a plurality of fastening teeth are provided on the lower side of the pressure plate.

[0011] Preferably, the fixing device includes a pad, a fixing bolt, a spring, a connecting block, and a fastening plate. The fixing bolt passes through the pad, the fixing bolt is inwardly connected to the connecting block, the connecting block is inwardly connected to the arc-shaped fastening plate, and a spring is provided between the connecting block and the pad.

[0012] Preferably, the cushion block is arranged in the fixing groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses an anti-loosening type wind power nut which clamps and fixes the nut by means of a fixing device to prevent loosening, and can keep the nut firmly connected in a high-vibration environment to ensure the safe operation of the equipment. By using this nut, the safety and stability of the equipment can be improved, the durability of the fastener can be improved, the service life of the equipment can be extended, and the maintenance cost can be reduced.

Brief Description of the Drawings

[0015] Figure 1 This is a schematic diagram of the structure of an anti-loosening wind power nut of the utility model;

[0016] Figure 2 This is a schematic diagram of the nut structure of a wind power nut with an anti-loosening feature in the utility model;

[0017] Figure 3 This is a longitudinal cross-sectional view of a nut on an anti-loosening type wind power nut of the utility model;

[0018] Figure 4This is a schematic diagram of the lower nut structure of an anti-loosening type wind power nut of the utility model;

[0019] Figure 5 This is a longitudinal cross-sectional view of a lower nut of an anti-loosening type wind power nut of the utility model;

[0020] Figure 6 This is a top view of the structure of an anti-loosening wind power nut of the utility model;

[0021] Figure 7 This is a schematic diagram of the structure of an anti-loosening type wind power nut fixing device of the utility model;

[0022] In the figure: 1-upper nut, 11-upper nut body, 12-lower protrusion, 13-upper nut inner cavity, 2-lower nut, 21-lower nut body, 22-lower nut upper cavity, 23-lower nut lower cavity, 24-fixing groove, 3-pressure plate, 31-fastening ruler, 4-fixing device, 41-spacer, 42-fixing bolt, 43-spring, 44-connecting block, 45-fastening plate, 5-reinforcement block. [Specific implementation method]

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 In an embodiment of the utility model, an anti-loosening wind power nut includes an upper nut 1, a lower nut 2, a pressure plate 3, a fixing device 4, and a reinforcement block 5. The upper nut 1 is threadedly connected to the lower nut 2 on the lower side, the lower nut 2 is connected to the lower pressure plate 3, and the side of the lower nut 2 is spaced apart with a fixing device 4 and a reinforcement block 5. One side of the reinforcement block 5 is connected to the lower nut 2, and the lower side of the reinforcement block 5 is connected to the pressure plate 3.

[0025] See also Figure 2 , Figure 3 In an embodiment of the utility model, a wind power nut with an anti-loosening property is provided. The upper nut 1 comprises an upper nut body 11, a lower protrusion 12 and an upper nut inner cavity 13. The cross section of the upper nut body 11 is a regular hexagon. The lower protrusion 12 is connected to the upper nut body 11. The upper nut inner cavity 13 is provided in the upper nut body 11 and the protrusion 12. The cross section of the lower protrusion 12 is circular. A positive external thread is provided on the outer side of the lower protrusion 12. A negative internal thread is provided in the upper nut inner cavity 13.

[0026] See also Figure 4-6In the embodiment of the utility model, a wind power nut with an anti-loosening property is provided. The lower nut 2 comprises a lower nut body 21, a lower nut upper cavity 22, a lower nut lower cavity 23, and a fixing groove 24. The cross section of the lower nut body 21 is hexagonal. The lower nut body 21 is provided with a lower nut upper cavity 22 and a lower nut lower cavity 23. The lower nut upper cavity 22 is provided with an internal thread matched with the external thread of the lower protrusion 12. The lower nut lower cavity 23 is provided with an internal thread identical to the internal thread of the upper nut inner cavity 13. A plurality of fixing devices 4 are provided on the outer side of the lower nut body 21.

[0027] See also Figure 4 In the embodiment of the utility model, a wind power nut with an anti-loosening property is provided, wherein the pressure plate 3 is in a disc shape, and a plurality of fastening teeth 31 are arranged on the lower side of the pressure plate 3 .

[0028] See also Figure 6 , Figure 7 In the embodiment of the utility model, a wind power nut with an anti-loosening property is provided. The fixing device 4 comprises a cushion block 41, a fixing bolt 42, a spring 43, a connecting block 44 and a fastening sheet 45. The cushion block 41 is arranged in the fixing groove 24. The fixing bolt 42 passes through the cushion block 41. The fixing bolt 41 is connected inwardly to the connecting block 44. The connecting block 44 is connected inwardly to the arc-shaped fastening sheet 45. A spring 43 is arranged between the connecting block 44 and the cushion block 41.

[0029] Working principle:

[0030] The utility model discloses an anti-loosening wind power nut. Before use, the lower protrusion 12 of the upper nut 1 is first rotated into the upper cavity 22 of the lower nut, and the fixing bolt 42 in the fixing device 4 is rotated outward. When in use, the nut is rotated into the bolt, and when the internal thread is rotated through the lower cavity 23 of the lower nut, the upper cavity 22 of the lower nut and the inner cavity 13 of the upper nut to reach the required position, the friction force of the connection surface is increased by the fastening teeth 31 at the bottom of the pressure plate 3, and the fixing bolt 42 in the rotating fixing device 4 is pushed inward, so that the connecting block 44 and the fastening sheet 45 press the connection between the nut and the bolt, thereby improving the anti-loosening ability of the nut and preventing the nut from falling off due to vibration.

[0031] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A wind power nut with anti-loosening function, characterized by: The invention comprises an upper nut (1), a lower nut (2), a pressure plate (3), a fixing device (4), and a reinforcing block (5); the upper nut (1) is threadedly connected to the lower nut (2); the lower nut (2) is connected to the lower pressure plate (3); a fixing device (4) and a reinforcing block (5) are arranged at intervals on the side of the lower nut (2); one side of the reinforcing block (5) is connected to the lower nut (2); and the lower side of the reinforcing block (5) is connected to the pressure plate (3).

2. The anti-loosening wind power nut according to claim 1, characterized in that: The upper nut (1) comprises an upper nut body (11), a lower protrusion (12), and an upper nut inner cavity (13); the upper nut body (11) has a regular hexagonal cross section; the lower protrusion (12) is connected to the upper nut body (11) below; and an upper nut inner cavity (13) is provided in the upper nut body (11) and the lower protrusion (12).

3. The anti-loosening wind power nut according to claim 2, characterized in that: The lower protrusion (12) has a circular cross section, a positive external thread is arranged on the outer side of the lower protrusion (12), and a negative internal thread is arranged in the inner cavity (13) of the upper nut.

4. The anti-loosening wind power nut according to claim 1, characterized in that: The lower nut (2) comprises a lower nut body (21), a lower nut upper cavity (22), a lower nut lower cavity (23), and a fixing groove (24); the lower nut body (21) has a hexagonal cross section; the lower nut body (21) is provided with a lower nut upper cavity (22) and a lower nut lower cavity (23); and a plurality of fixing devices (4) are provided on the outer side of the lower nut body (21).

5. The anti-loosening wind power nut according to claim 4, characterized in that: The lower nut upper cavity (22) is provided with an internal thread matched with the external thread of the lower protrusion (12), and the lower nut lower cavity (23) is provided with an internal thread identical to the internal thread of the upper nut inner cavity (13).

6. The anti-loosening wind power nut according to claim 1, characterized in that: The pressure plate (3) is in the shape of a circular disc, and a plurality of fastening teeth (31) are arranged on the lower side of the pressure plate (3).

7. The anti-loosening wind power nut according to claim 1, characterized in that: The fixing device (4) comprises a cushion block (41), a fixing bolt (42), a spring (43), a connecting block (44), and a fastening plate (45); the fixing bolt (42) passes through the cushion block (41); the fixing bolt (42) is inwardly connected to the connecting block (44); the connecting block (44) is inwardly connected to the arc-shaped fastening plate (45); and a spring (43) is provided between the connecting block (44) and the cushion block (41).

8. The anti-loosening wind power nut according to claim 7, characterized in that: The cushion block (41) is arranged in the fixing groove (24).

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