CN220227466U - Lock nut - Google Patents

Abstract

The utility model relates to a locknut which comprises a nut body, wherein a screw hole is formed in the center of the nut body, internal threads are formed in the screw hole, the locknut further comprises a lockassembly, the lockassembly comprises a pressing plate, a screw rod and an operating end, the pressing plate is positioned in a groove in the inner wall of the internal screw hole, reverse threads opposite to the screw direction of the internal threads are formed on the pressing plate, the screw rod is in threaded connection with the internal screw hole communicated with the groove, one end of the screw rod is in rotary connection with a pressing block, and the other end of the screw rod extends to the surface of the nut body to be connected with the operating end. According to the anti-loosening assembly, the anti-loosening effect can be well achieved by utilizing the reverse threads on the pressing plate of the anti-loosening assembly after the anti-loosening assembly is assembled with the screw in an adapting mode, and the problem that nuts fall off automatically due to loosening after the nuts are connected is avoided.

Description

Lock nut

Technical Field

The utility model relates to the technical field of fasteners, in particular to a locknut.

Background

The nut is a common component applied to mechanical connection and is mainly of an equilateral hexagon structure, and a screw hole with internal threads is formed in the middle of the nut. After the nut and the screw rod with the structure are assembled in an adapting way, external factors such as vibration and the like can be loosened by themselves, so that connection is invalid, and the anti-loosening capability is poor.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides a locknut.

The technical scheme adopted by the utility model is as follows: the utility model provides a locknut, includes the nut body, nut body center department is equipped with the screw, be equipped with the internal thread in the screw, still include locking subassembly, locking subassembly includes clamp plate, screw rod and operating end, the clamp plate is located the recess of internal screw inner wall, has the reverse screw thread opposite with the internal thread spiral direction on this clamp plate, the screw rod is with the internal screw threaded connection of recess intercommunication, screw rod one end and briquetting swivelling joint, and the other end extends to nut body surface and is connected with the operating end.

Furthermore, the operation end is of a round structure, and an equilateral hexagon operation hole is formed in the center of the operation end.

Further, a compression spring is arranged between the pressing block and the inner wall of the groove.

Further, the nut comprises an auxiliary lock rod, a first lock hole extending to the bottom of the inner screw hole is formed in the nut body, and a second lock hole is formed in the screw rod.

Further, the bottom of the auxiliary lock rod is of a conical structure, and the bottom of the auxiliary lock rod is provided with a magnetic attraction block which is attracted with the nut body.

Further, a connecting ring is arranged at the top of the auxiliary lock rod.

The beneficial effects of the utility model are as follows: according to the anti-loosening assembly, the anti-loosening effect can be well achieved by utilizing the reverse threads on the pressing plate of the anti-loosening assembly after the anti-loosening assembly is assembled with the screw in an adapting mode, and the problem that nuts fall off automatically due to loosening after the nuts are connected is avoided.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages.

The utility model will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic cross-sectional view of the present utility model.

In fig. 1-2: 1. a nut body; 2. a screw hole; 3. an internal thread; 4. a pressing plate; 5. a screw; 6. an operation end; 7. a groove; 8. reverse threads; 9. an inner screw hole; 10. an operation hole; 11. a compression spring; 12. an auxiliary lock rod; 13. a first lock hole; 14. a second lock hole; 15. a magnetic suction block; 16. and a connecting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

The utility model provides a locknut.

In this embodiment, referring to fig. 1-2, the locknut comprises a nut body 1, a screw hole 2 is arranged at the center of the nut body, an internal thread 3 is arranged in the screw hole, and the locknut further comprises a locknut assembly, the locknut assembly comprises a pressing plate 4, a screw rod 5 and an operation end 6, the pressing plate is positioned in a groove 7 of the inner wall of the internal screw hole, a reverse thread 8 opposite to the screw direction of the internal thread is arranged on the pressing plate, the screw rod is in threaded connection with an internal screw hole 9 communicated with the groove, one end of the screw rod is in rotary connection with a pressing block, and the other end of the screw rod extends to the surface of the nut body to be connected with the operation end.

According to the anti-loosening assembly, the anti-loosening effect can be well achieved by utilizing the reverse threads on the pressing plate of the anti-loosening assembly after the anti-loosening assembly is assembled with the screw in an adapting mode, and the problem that nuts fall off automatically due to loosening after the nuts are connected is avoided.

When specifically using, loosen locking subassembly earlier, make the clamp plate keep away from the screw, then, be connected to the nut of this application with nut complex connecting screw rod and lock in place, then, rotatory locking subassembly's screw rod makes the clamp plate compress tightly on with nut complex screw rod, utilizes the reverse screw thread on the clamp plate, prevents the nut rotation, plays locking effect.

Specifically, the operation end is of a circular structure, and an equilateral hexagon operation hole 10 is arranged in the center of the operation end. A compression spring 11 is arranged between the pressing block and the inner wall of the groove.

When the anti-loosening assembly is used, the anti-loosening assembly can be operated through the hexagonal wrench.

Specifically, the nut further comprises an auxiliary lock rod 12, a first lock hole 13 extending to the bottom of the inner screw hole is formed in the nut body, and a second lock hole 14 is formed in the screw rod.

The connecting screw in the technical proposal refers to a screw (bolt) which is matched with the nut. After the nut is rotationally installed in place, the pressing block is pressed on the connecting screw rod, and the pressed pressing block can only rotate towards the screwing direction of the nut and cannot back up due to the fact that the threads on the pressing block are reverse threads, so that the anti-loosening effect is achieved.

In the specific use, after reverse screw thread and connecting screw block on the briquetting, first lockhole can just align with the second lockhole, and auxiliary lock pole inserts above-mentioned first lockhole and second lockhole.

Specifically, the bottom of the auxiliary lock rod is of a conical structure, and the bottom of the auxiliary lock rod is provided with a magnetic block 15 which is mutually attracted with the nut body.

The auxiliary lock rod is connected with the nut body through the magnetic attraction block, and the auxiliary lock rod is prevented from sliding out automatically.

Specifically, the auxiliary lock rod is provided with a connecting ring 16 at the top.

When the auxiliary lock rod is particularly used, the connecting ring can be connected with parts such as ropes, and the auxiliary lock rod is convenient to take out.

The skilled person will know: while the utility model has been described in terms of the foregoing embodiments, the inventive concepts are not limited to the utility model, and any modifications that use the inventive concepts are intended to be within the scope of the appended claims.

Claims (6)

1. The utility model provides a locknut, includes the nut body, nut body center department is equipped with the screw, be equipped with the internal thread in the screw, its characterized in that: the anti-loosening device comprises a nut body, and is characterized by further comprising an anti-loosening assembly, wherein the anti-loosening assembly comprises a pressing plate, a screw rod and an operation end, the pressing plate is positioned in a groove on the inner wall of the inner screw hole, a reverse thread opposite to the screw direction of the inner thread is arranged on the pressing plate, the screw rod is in threaded connection with the inner screw hole communicated with the groove, one end of the screw rod is in rotary connection with the pressing block, and the other end of the screw rod extends to the surface of the nut body to be connected with the operation end.

2. A locknut as defined in claim 1, wherein: the operation end is of a round structure, and an equilateral hexagon operation hole is formed in the center of the operation end.

3. A locknut as defined in claim 1, wherein: and a compression spring is arranged between the pressing block and the inner wall of the groove.

4. A locknut as claimed in any one of claims 1-3, wherein: the nut further comprises an auxiliary lock rod, a first lock hole extending to the bottom of the inner screw hole is formed in the nut body, and a second lock hole is formed in the screw rod.

5. A locknut as defined in claim 4, wherein: the bottom of the auxiliary lock rod is of a conical structure, and the bottom of the auxiliary lock rod is provided with a magnetic attraction block which is attracted with the nut body.

6. A locknut as defined in claim 4, wherein: the top of the auxiliary lock rod is provided with a connecting ring.