CN216478371U

CN216478371U - Taper type locknut structure

Info

Publication number: CN216478371U
Application number: CN202123261564.5U
Authority: CN
Inventors: 李武彬; 费玉红; 夏煦川
Original assignee: Jiangsu Hanzhijin Technology Co ltd
Current assignee: Jiangsu Hanzhijin Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-10
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a tapering type locknut structure, the conical surface of being of its nut, it has the external screw thread to distribute on the conical surface, the tapering of bell mouth is corresponding with the tapering of conical surface, main nut's internal thread is corresponding with lock nut's external screw thread, lock nut is last to be opened there is the locking groove combination, when lock nut inserts the bell mouth of main nut and twists reverse, main nut and lock nut tighten up behind external screw thread and the interior screw-thread fit in the bell mouth on the in-process along with the conical surface of knob, produce elasticity under the effect of locking groove combination and make and produce the auto-lock between main nut and the lock nut at main nut extrusion lock nut's in-process, reach locking effect.

Description

Taper type locknut structure

Technical Field

The utility model relates to a tapering type locknut structure.

Background

The main nut and the auxiliary nut of the existing taper nut are of an integral structure, and the auxiliary nut cannot generate elasticity, so that the main nut and the auxiliary nut can only be directly retracted inwards by depending on the taper of the main nut and the auxiliary nut, and the structure can only be in point contact with the main nut and the auxiliary nut, so that the main nut and the auxiliary nut are only screwed tightly, and the anti-loosening effect cannot be generated between the main nut and the auxiliary nut.

Disclosure of Invention

The utility model provides a tapering type locknut structure, it can be so that self produces locking effect between main nut and the lock nut to improve performance effectively.

The utility model adopts the following technical scheme: the utility model provides a tapering type locknut structure, it mainly includes main nut and lock nut, the screw of main nut sets up to the bell mouth, it has the internal thread to distribute on the inner wall of bell mouth, lock nut's surface sets up to the conical surface, it has the external screw thread to distribute on the conical surface, the tapering of bell mouth is corresponding with the tapering of conical surface, the internal thread of main nut is corresponding with lock nut's external screw thread, it has the anti-loosening groove combination to open on lock nut, when lock nut inserts the bell mouth of main nut and twists reverse, main nut and lock nut tighten up after the external screw thread on the conical surface and the interior screw-thread fit in the bell mouth in the in-process of knob, produce elasticity under the effect of anti-loosening groove combination and make and produce the auto-lock between main nut and the lock nut, reach locking effect.

The internal thread and the external thread are both set to be conical threads, and the conical threads of the internal thread correspond to the conical threads of the external thread. The anti-loosening groove combination comprises a longitudinal groove I, and the longitudinal groove I is vertically formed in the bottom of the locking nut from the upper portion of the locking nut.

The anti-loosening groove combination comprises two longitudinal grooves II and a transverse groove, the two longitudinal grooves II are symmetrically arranged, each longitudinal groove II is vertically opened to the middle of the locking nut from the upper portion of the locking nut, the transverse groove is an annular groove, and the annular groove is transversely distributed on the inner wall of a screw hole of the locking nut.

And the position of the transverse groove corresponds to the bottom of the longitudinal groove II.

Vertical groove I set up to rectangular shape groove I, rectangular shape groove I is vertical to be opened in lock nut's main part.

And the longitudinal groove II is arranged to be a long-strip-shaped groove II which is vertically arranged on the main body of the locking nut.

The utility model discloses following beneficial effect has: after having adopted above technical scheme, the utility model discloses main nut's screw is the bell mouth, it has the internal thread to distribute on the inner wall of bell mouth, lock nut's surface is the conical surface, it has the external screw thread to distribute on the conical surface, the tapering of bell mouth is corresponding with the tapering of conical surface, main nut's internal thread is corresponding with lock nut's external screw thread, it has the anti-loosening groove combination to open on lock nut (2), can produce elasticity on lock nut like this, the tooth face of whole screw thread can both tighten up, play the effect of face contact, it is better to tighten up locking effect, be convenient for produce the auto-lock between main nut and the lock nut, make self produce locking effect between main nut and the lock nut, thereby can and produce the long-term technological effect of not loosening between the bolt. The utility model discloses an internal thread and external screw thread all set up to the awl thread, and the internal screw thread awl thread is corresponding with the awl thread of external screw thread, can improve the compactness of internal thread and external screw thread like this. The utility model discloses an anti-loosening groove combination includes vertical groove I, and vertical groove I is vertical from lock nut's upper portion to lock nut's bottom, can improve lock nut's elasticity like this to have stronger auto-lock locking effect. The utility model discloses an anti-loosening groove combination includes vertical groove I, and vertical groove I is vertical from lock nut's upper portion to lock nut's bottom, can improve lock nut's elasticity like this to have stronger auto-lock locking effect. The utility model discloses an anti-loosening groove combination includes two vertical grooves II and a transverse groove, and two vertical II symmetries in groove set up, every vertical groove II from locking nut's upper portion vertical division to locking nut's middle part, the transverse groove set up to the ring channel, ring channel transverse distribution is on locking nut's screw inner wall, transverse groove position corresponds with the bottom of vertical groove II, can improve locking nut's elasticity like this to have stronger auto-lock locking effect, can keep locking nut's rigidity moreover, improve locking nut's life.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

Detailed Description

Embodiment one, in fig. 1, the utility model provides a taper type anti-loose nut structure, which mainly comprises a main nut 1 and a locking nut 2, the screw hole of the main nut 1 is set as a taper hole 3, an internal thread 4 is distributed on the inner wall of the taper hole 3, the outer surface of the locking nut 2 is set as a taper surface 5, an external thread 6 is distributed on the taper surface 5, the taper of the taper hole 3 corresponds to the taper of the taper surface 5, the internal thread 4 of the main nut 1 corresponds to the external thread of the locking nut 2, both the internal thread 4 and the external thread 6 are set as taper threads, the taper thread of the internal thread 4 corresponds to the taper thread of the external thread 6, an anti-loose groove combination is opened on the locking nut 2, the anti-loose groove combination of the embodiment comprises a longitudinal groove i 7, the longitudinal groove i 7 is vertically opened from the upper part of the locking nut 2 to the bottom of the locking nut 2, the longitudinal groove i 7 is set as a long strip-shaped groove i, rectangular shape groove I is vertical to be opened in lock nut 2's main part, when lock nut 2 inserts in the bell mouth 3 of main nut 1 and twists when tight, main nut 1 tightens up with lock nut 2 behind the internal screw thread fit in the external screw thread on the in-process of knob along with conical surface 5 and the bell mouth 3, tighten up the in-process at main nut 1 and lock nut 2, the in-process of 1 extrusion lock nut 2 of main nut produces elasticity under the effect of locking groove combination and makes and produce the auto-lock between main nut 1 and lock nut 2, locking effect is reached.

The using process of the embodiment is as follows: when the needs of this embodiment are twisted lock nut 2 and main nut 1 tightly, lock nut 2 inserts in main nut 1's bell mouth 3, main nut 1 tightens up with lock nut 2 at the in-process of knob along with the internal screw thread cooperation in external screw thread on the conical surface 5 and the bell mouth 3, then insert the bolt, tighten up the in-process at main nut 1 and lock nut 2, owing to open and to have longitudinal groove I7 to make lock nut 2 have the elasticity operation, the elasticity that produces like this at the in-process of main nut 1 extrusion lock nut 2 makes to be in the state of relative rest between main nut 1 and lock nut 2 and the bolt, reach the effect of not loosening for a long time.

Embodiment two, in fig. 2, the utility model provides a taper type anti-loose nut structure, it mainly includes main nut 1 and lock nut 2, the screw of main nut 1 is set as taper hole 3, inner thread 4 is distributed on the inner wall of taper hole 3, the outer surface of lock nut 2 is set as taper surface 5, outer thread 6 is distributed on taper surface 5, the taper of taper hole 3 corresponds to the taper of taper surface 5, inner thread 4 of main nut 1 corresponds to the outer thread of lock nut 2, inner thread 4 and outer thread 6 are both set as taper thread, the taper thread of inner thread 4 corresponds to the taper thread of outer thread 6, lock nut 2 is opened with anti-loose groove combination, the anti-loose groove combination includes two longitudinal grooves ii 8 and a transverse groove 9, two longitudinal grooves ii 8 are symmetrically arranged, each longitudinal groove ii 8 is vertically opened from the upper portion of lock nut 2 to the middle portion of lock nut 2, transverse groove (9) set up to the ring channel, vertical groove II 8 sets up to rectangular shape groove II, rectangular shape groove II is vertical to be opened in lock nut 2's main part, ring channel transverse distribution is on lock nut 1's screw inner wall, transverse groove 9 positions correspond with the bottom in vertical groove II 8, when lock nut 2 inserts 3 interior twists of bell mouth of main nut, tighten up behind the external screw thread and the interior screw-thread fit of bell mouth 3 on main nut 1 and lock nut 2 along with the conical surface 5 at the in-process of knob, produce elasticity and make to produce the auto-lock between main nut 1 and the lock nut 2 under the effect of anti-loosening groove combination at main nut 1 extrusion lock nut 2's in-process, reach locking effect.

The using process of the embodiment is as follows: when the lock nut 2 and the main nut 1 are required to be screwed tightly in the embodiment, the lock nut 2 is inserted into the taper hole 3 of the main nut 1, the main nut 1 and the lock nut 2 are tightened along with the external thread on the taper surface 5 and the internal thread in the taper hole 3 in the process of the knob, then the bolt is inserted, in the tightening process of the main nut 1 and the lock nut 2, because two longitudinal grooves II 8 and one transverse groove 9 are formed, the lock nut 2 has elastic operation, so that the elasticity generated in the process of extruding the lock nut 2 by the main nut (1) enables the main nut 1 and the lock nut 2 and the bolt to be in a relatively static state, and the effect of not loosening for a long time is achieved.

Claims

1. A taper type anti-loose nut structure is characterized by mainly comprising a main nut (1) and a locking nut (2), wherein a screw hole of the main nut (1) is set to be a tapered hole (3), internal threads (4) are distributed on the inner wall of the tapered hole (3), the outer surface of the locking nut (2) is set to be a conical surface (5), external threads (6) are distributed on the conical surface (5), the taper of the tapered hole (3) corresponds to the taper of the conical surface (5), the internal threads (4) of the main nut (1) correspond to the external threads of the locking nut (2), an anti-loose groove combination is arranged on the locking nut (2), when the locking nut (2) is inserted into the tapered hole (3) of the main nut (1) and screwed tightly, the main nut (1) and the locking nut (2) are tightened together with the external threads on the conical surface (5) and the internal threads in the tapered hole (3) in the process of a knob, elasticity is generated under the action of the anti-loosening groove combination in the process that the main nut (1) extrudes the locking nut (2), so that self-locking is generated between the main nut (1) and the locking nut (2), and the anti-loosening effect is achieved.

2. The taper type locknut structure according to claim 1, wherein the internal thread (4) and the external thread (6) are both provided as taper threads, and the taper threads of the internal thread (4) correspond to the taper threads of the external thread (6).

3. The taper type locknut structure according to claim 1, wherein the locking groove combination comprises a longitudinal groove I (7), the longitudinal groove I (7) is vertically opened from the upper part of the locknut (2) to the bottom of the locknut (2).

4. The taper type locknut structure as claimed in claim 1, wherein the anti-loose groove assembly comprises two longitudinal grooves II (8) and a transverse groove (9), the two longitudinal grooves II (8) are symmetrically arranged, each longitudinal groove II (8) is vertically opened from the upper part of the locknut (2) to the middle part of the locknut (2), the transverse groove (9) is arranged as an annular groove, and the annular groove is transversely distributed on the inner wall of the screw hole of the locknut (2).

5. The tapered locknut structure according to claim 4, characterized in that the position of the transverse groove (9) corresponds to the bottom of the longitudinal groove II (8).

6. The taper type locknut structure as claimed in claim 3, wherein said longitudinal groove I (7) is configured as a long-strip-shaped groove I, and the long-strip-shaped groove I is vertically opened on the main body of the locknut (2).

7. The tapered locknut structure as claimed in claim 4, wherein the longitudinal groove II (8) is configured as an elongated groove II vertically opened on the body of the locknut (2).