Automatic locking nut for hexagonal flange

Abstract

The utility model belongs to the technical field of nuts, and provides a hexagonal flange automatic locking nut which comprises a hexagonal nut head, a nut rod is fixedly connected to one side of the hexagonal nut head, threads are arranged on the nut rod, the threads penetrate through the threads to be connected with a hexagonal nut, an arc head is arranged at the end, away from the threads, of the nut rod, and the arc head is connected with the hexagonal nut. The hexagonal nut head is slidably connected with a pressing rod in a penetrating mode, the pressing rod is slidably connected into the nut rod in a penetrating mode, pushing rods are fixedly connected to the two sides of the end, away from the hexagonal nut head, of the pressing rod, and connecting rods are fixedly connected to the ends, close to the pushing rods, of the pressing rod. According to the hexagonal flange automatic locking nut, when the hexagonal flange automatic locking nut is tightened, the locking mechanism in the hexagonal flange automatic locking nut can still keep a stable locking state in a vibration environment, the hexagonal flange automatic locking nut is particularly important for equipment working under high-frequency vibration or impact load, the hexagonal flange automatic locking nut has excellent anti-vibration performance, higher locking force is achieved, and the hexagonal flange automatic locking nut is suitable for being used in a large-scale production line. Therefore, the nut can be more tightly attached to the threads after being tightened, and looseness is effectively prevented.

Description

Technical Field

[0001] The utility model relates to the field of nuts, in particular to a hexagonal flange automatic locking nut. Background Art

[0002] Hexagonal flange automatic locking nut is a special fastener, mainly used in situations where thread locking is required. Hexagonal flange automatic locking nut provides stronger locking force and higher stability through its special design and construction, enabling it to perform well in various applications.

[0003] Some nuts cannot maintain a stable locking state under a vibration environment during use, have poor anti-vibration performance, insufficient locking force, and may become loose, resulting in low equipment safety. After multiple disassembly and installation, the locking effect of the nuts is weakened and new nuts need to be replaced. Problems such as low flexibility and economy need to be solved urgently. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a hexagonal flange automatic locking nut.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hexagonal flange automatic locking nut, comprising a hexagonal nut head, one side of the hexagonal nut head is fixedly connected to a nut rod, the nut rod is provided with a thread, the thread is penetrated and connected with a hexagonal nut, the nut rod is provided with an arc head at the end away from the thread, the hexagonal nut head is penetrated and slidably connected with a pressing rod, the pressing rod is penetrated and slidably connected in the nut rod, the pressing rod is fixedly connected with pushing rods on both sides of the end of the pressing rod away from the hexagonal nut head, the pressing rod is fixedly connected with a connecting rod at one end close to the pushing rod, the connecting rod is fixedly connected with a sliding plate at one end away from the pressing rod, and the sliding plate is fixedly connected with a connecting rod on the side away from the connecting rod.

[0006] As a further description of the above technical solution:

[0007] The sliding plate is fixedly connected with a spring, and the connecting rod is located inside the spring.

[0008] As a further description of the above technical solution:

[0009] Grooves are arranged on both sides of the nut rod, locking plates are hinged in the grooves, and a pushing block is fixedly connected to the locking plate.

[0010] As a further description of the above technical solution:

[0011] A cavity is provided in the nut rod, and the pressing rod is located in the cavity.

[0012] As a further description of the above technical solution:

[0013] A sliding groove is arranged in the nut rod, and the sliding plate is slidably connected in the sliding groove. The diameter of the sliding groove is the same as the diameter of the sliding plate.

[0014] As a further description of the above technical solution:

[0015] A limiting groove is arranged in the nut rod, a sliding cavity is arranged in the nut rod, the connecting rod is located in the limiting groove, and the connecting rod is slidably connected in the sliding cavity.

[0016] As a further description of the above technical solution:

[0017] The diameter of the sliding cavity is the same as the diameter of the connecting rod, the diameter of the limiting groove is larger than the diameter of the spring, and the diameter of the limiting groove is smaller than the diameter of the sliding groove.

[0018] With the above structure, the utility model has the following advantages:

[0019] 1. In the utility model, when the hexagonal flange automatic locking nut is tightened, its internal locking mechanism can ensure that it remains in a stable locking state under a vibration environment, which is particularly important for equipment working under high-frequency vibration or impact loads. It has excellent anti-vibration performance and achieves a higher locking force, so that the nut can fit more closely on the thread after tightening, effectively preventing loosening.

[0020] 2. In the utility model, the hexagonal flange automatic locking nut can effectively prevent equipment failure or safety accidents caused by loose nuts, improve the safety of equipment, and after repeated tightening and disassembly, the locking force of the hexagonal flange automatic locking nut does not decrease, and can maintain the original locking effect, so that it has higher flexibility and economy in practical applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A side perspective view of a hexagonal flange automatic locking nut proposed by the utility model;

[0022] Figure 2 A sectional stereoscopic diagram of a hexagonal flange automatic locking nut proposed by the utility model;

[0023] Figure 3 This is a three-dimensional structure explosion diagram of a hexagonal flange automatic locking nut proposed by the utility model;

[0024] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0025] Legend:

[0026] 1. Hexagonal nut head; 2. Nut rod; 3. Thread; 4. Hexagonal nut; 5. Press rod; 6. Push rod; 7. Push block; 8. Locking plate; 9. Connecting rod; 10. Sliding plate; 11. Connecting rod; 12. Spring; 13. Arc head; 14. Groove; 15. Cavity; 16. Slide groove; 17. Limiting groove; 18. Sliding cavity. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Figure 1-Figure 4 The utility model provides an embodiment of a hexagonal flange automatic locking nut, comprising a hexagonal nut head 1, a nut rod 2 is fixedly connected to one side of the hexagonal nut head 1, a thread 3 is provided on the nut rod 2, a hexagonal nut 4 is connected through the thread 3, an arc head 13 is provided at one end of the nut rod 2 away from the thread 3, a pressing rod 5 is slidably connected through the hexagonal nut head 1, the pressing rod 5 is slidably connected in the nut rod 2, pushing rods 6 are fixedly connected to both sides of the end of the pressing rod 5 away from the hexagonal nut head 1, a connecting rod 9 is fixedly connected to the end of the pressing rod 5 close to the pushing rod 6, a sliding plate 10 is fixedly connected to the end of the connecting rod 9 away from the pressing rod 5, and a connecting rod 11 is fixedly connected to the side of the sliding plate 10 away from the connecting rod 9.

[0029] A spring 12 is fixedly connected to the sliding plate 10, and the connecting rod 11 is located in the spring 12. Grooves 14 are provided on both sides of the nut rod 2, and locking plates 8 are hinged in the grooves 14. A pushing block 7 is fixedly connected to the locking plate 8. A cavity 15 is provided in the nut rod 2, and the pressing rod 5 is located in the cavity 15. A slide groove 16 is provided in the nut rod 2, and the sliding plate 10 is slidably connected in the slide groove 16. The diameter of the slide groove 16 is the same as the diameter of the sliding plate 10. A limiting groove 17 is provided in the nut rod 2, and a sliding cavity 18 is provided in the nut rod 2. The connecting rod 11 is located in the limiting groove 17, and the connecting rod 11 is slidably connected in the sliding cavity 18. The diameter of the sliding cavity 18 is the same as the diameter of the connecting rod 11. The diameter of the limiting groove 17 is larger than the diameter of the spring 12, and the diameter of the limiting groove 17 is smaller than the diameter of the slide groove 16.

[0030] Working principle: Pushing the pressing rod 5 drives the pushing rod 6 to move, and the pushing rod 6 drives the pushing block 7 to move, and the pushing block 7 drives the locking plate 8 to rotate and retract into the groove 14, and the pressing rod 5 drives the connecting rod 9 to move, and the connecting rod 9 drives the sliding plate 10 to slide in the sliding groove 16, and the sliding plate 10 drives the connecting rod 11 to move in the limiting groove 17. When the connecting rod 11 moves into the sliding cavity 18, the spring 12 is compressed, and the nut rod 2 is driven by the spring 12 to pass through the aperture, and the locking plate 8 is pushed until it completely passes through the aperture and stops. The push stops. At this time, the spring 12 relaxes and drives the connecting rod 11 to slide in the sliding cavity 18. The spring 12 relaxes and drives the sliding plate 10 to slide in the sliding groove 16. The sliding of the sliding plate 10 drives the connecting rod 9 to move. The movement of the connecting rod 9 drives the pressing rod 5 to move. The movement of the pressing rod 5 drives the pushing rod 6 to move. The movement of the pushing rod 6 releases the limit on the pushing block 7 and makes the locking plate 8 extend out of the groove 14, so that the locking plate 8 is stuck on both sides of the bottom of the aperture. Manually rotate the hexagonal nut 4 to make the hexagonal nut 4 fit with the surface of the object to be locked, and complete the nut locking.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hexagonal flange automatic locking nut, comprising a hexagonal nut head (1), characterized in that: A nut rod (2) is fixedly connected to one side of the hexagonal nut head (1), a thread (3) is provided on the nut rod (2), a hexagonal nut (4) is connected through the thread (3), an arc head (13) is provided at one end of the nut rod (2) away from the thread (3), a pressing rod (5) is slidably connected through the hexagonal nut head (1), the pressing rod (5) is slidably connected in the nut rod (2), a pushing rod (6) is fixedly connected to both sides of the end of the pressing rod (5) away from the hexagonal nut head (1), a connecting rod (9) is fixedly connected to one end of the pressing rod (5) close to the pushing rod (6), a sliding plate (10) is fixedly connected to the end of the connecting rod (9) away from the pressing rod (5), and a connecting rod (11) is fixedly connected to the side of the sliding plate (10) away from the connecting rod (9).

2. The hexagonal flange automatic locking nut according to claim 1, characterized in that: The sliding plate (10) is fixedly connected with a spring (12), and the connecting rod (11) is located inside the spring (12).

3. The hexagonal flange automatic locking nut according to claim 1, characterized in that: Grooves (14) are provided on both sides of the nut rod (2), a locking plate (8) is hinged in the groove (14), and a pushing block (7) is fixedly connected to the locking plate (8).

4. The hexagonal flange automatic locking nut according to claim 1, characterized in that: A cavity (15) is provided in the nut rod (2), and the pressing rod (5) is located in the cavity (15).

5. The hexagonal flange automatic locking nut according to claim 1, characterized in that: A sliding groove (16) is provided in the nut rod (2), and the sliding plate (10) is slidably connected in the sliding groove (16), and the diameter of the sliding groove (16) is the same as the diameter of the sliding plate (10).

6. The hexagonal flange automatic locking nut according to claim 1, characterized in that: A limiting groove (17) is provided in the nut rod (2), a sliding cavity (18) is provided in the nut rod (2), the connecting rod (11) is located in the limiting groove (17), and the connecting rod (11) is slidably connected in the sliding cavity (18).

7. The hexagonal flange automatic locking nut according to claim 6, characterized in that: The diameter of the sliding cavity (18) is the same as the diameter of the connecting rod (11), the diameter of the limiting groove (17) is larger than the diameter of the spring (12), and the diameter of the limiting groove (17) is smaller than the diameter of the sliding groove (16).

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