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CN-224214508-U - Anti-loosening fastener

CN224214508UCN 224214508 UCN224214508 UCN 224214508UCN-224214508-U

Abstract

The utility model discloses an anti-loosening fastener in the field of fasteners, which comprises a connecting buckle and a buckling pressure head, wherein the buckling pressure head is arranged on the periphery of the connecting buckle, locking nuts are arranged at the two ends of the connecting buckle after penetrating through the buckling pressure head, and an annular groove is formed above the locking nuts. According to the utility model, when the buckling pressure head is pressed by the locking nut, the pressing piece between the buckling pressure head and the connecting buckle is pressed, then the locking clamping ring on the buckling pressure head tightly holds the locking taper head, under the matching of taper, an axial acting force is generated on the locking taper head, and as the opening groove is formed in the locking taper head, the locking taper head can be tightened towards the center to tightly lock the threads, so that the locking nut can be locked on the connecting external threads through the reaction force while the pressing piece is pressed, the anti-loosening purpose is realized, the structure is simple, the locking operation is not different from the existing threaded connection, the operation is simple and convenient, and the practical effect is good.

Inventors

  • Su Yunke

Assignees

  • 河北尊宇金属制品有限公司

Dates

Publication Date
20260508
Application Date
20250522

Claims (6)

  1. 1. A locking fastener comprises a connecting buckle (1) and a buckling pressure head (2) and is characterized in that the buckling pressure head (2) is arranged on the periphery of the connecting buckle (1), a lock nut (3) is arranged at two ends of the connecting buckle (1) after penetrating through the buckling pressure head (2), an annular groove (301) is formed in the upper portion of the lock nut (3), a locking taper head (302) is integrally formed in the position of the annular groove (301) on the lock nut (3), a plurality of open grooves (303) are uniformly formed in the locking taper head (302) along the circumferential direction, and a locking clamp ring (203) matched with the locking taper head (302) is integrally formed in the bottom of the buckling pressure head (2).
  2. 2. The anti-loosening fastener as claimed in claim 1, wherein the locking clamp ring (203) has an annular structure with an inner taper, and the locking taper head (302) has an annular structure with an outer taper.
  3. 3. The anti-loosening fastener as claimed in claim 1, wherein the connecting buckle (1) has a U-shaped structure, and the connecting buckle (1) is provided with a connecting external thread (101) which is in threaded fit with the locking nut (3) at the locking nut (3).
  4. 4. The anti-loosening fastener as claimed in claim 1, wherein the top of the buckling pressure head (2) is provided with a buckling circular arc groove (201), and the buckling pressure head (2) is provided with a through hole (202) positioned at the periphery of the connecting buckle (1) for the connecting buckle (1) to pass through.
  5. 5. The anti-loosening fastener according to claim 1, wherein the peripheries of the connecting buckle (1), the locking nut (3) and the buckling pressure head (2) are plated with zinc of 0.2-0.3 mm.
  6. 6. The anti-loosening fastener as claimed in claim 1, wherein the connecting buckle (1) and the buckling pressure head (2) are made of spring steel.

Description

Anti-loosening fastener Technical Field The utility model relates to the field of fasteners, in particular to a locking fastener. Background The fastener is a generic term for a type of mechanical part used when two or more parts (or members) are fastened together as a whole, and is widely used. Bolts and nuts are a common type of fastener. In the prior art, although a part of the locking fastener scheme is adopted, the problems of complex structure and complex locking operation exist, the operation difference between the locking fastener scheme and the conventional threaded connection is large, the difficulty of installation and maintenance is increased, reliable locking is difficult to realize conveniently and efficiently under various working conditions, and the requirements on convenience and stability in actual production and use cannot be met. Accordingly, one skilled in the art would provide a loosening prevention fastener to address the problems set forth in the background above. Disclosure of Invention The present utility model is directed to a locking fastener, which solves the above-mentioned problems of the prior art. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a locking fastener that moves, includes connector link and lock pressure head, the lock pressure head sets up the connector link is peripheral, just the both ends portion of connector link passes be provided with lock nut behind the lock pressure head, the ring channel has been seted up to lock nut top, be located on the lock nut ring channel department integrated into one piece has the locking taper head, a plurality of open slots have evenly been seted up along the circumferencial direction on the locking taper head, lock pressure head bottom integrated into one piece have with locking taper head complex locking snap ring. As a further scheme of the utility model, the locking clamp ring is of an annular structure with inner taper, and the locking taper head is of an annular structure with outer taper. As a further scheme of the utility model, the connecting buckle is of a U-shaped structure, and the connecting buckle is provided with a connecting external thread which is matched with the locking nut in a threaded manner at the locking nut. As a further scheme of the utility model, the top of the buckling pressure head is provided with a buckling circular arc groove, and the buckling pressure head is provided with a through hole for the connecting buckle to pass through, wherein the through hole is positioned at the periphery of the connecting buckle. As a further scheme of the utility model, the peripheries of the connecting buckle, the locking nut and the buckling pressure head are plated with zinc with the thickness of 0.2-0.3 mm. As a further scheme of the utility model, in order to ensure the fitting degree between the fastener and the connecting part, a rubber layer is glued on the buckling circular arc groove. As a further scheme of the utility model, the connecting buckle and the buckling pressure head are made of spring steel. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, when the buckling pressure head is pressed by the locking nut, the pressing piece between the buckling pressure head and the connecting buckle is pressed, then the locking clamping ring on the buckling pressure head tightly holds the locking taper head, under the matching of taper, an axial acting force is generated on the locking taper head, and as the opening groove is formed in the locking taper head, the locking taper head can be tightened towards the center to tightly lock the threads, so that the locking nut can be locked on the connecting external threads through the reaction force while the pressing piece is pressed, the anti-loosening purpose is realized, the structure is simple, the locking operation is not different from the existing threaded connection, the operation is simple and convenient, and the practical effect is good. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a cross-sectional view of the present utility model; FIG. 3 is a block diagram of a snap-fit ram according to the present utility model; FIG. 4 is a block diagram of a cage nut of the present utility model; Fig. 5 is an enlarged view of a portion of fig. 2 a in accordance with the present utility model. In the figure, 1, a connecting buckle, 101, a connecting external thread, 2, a buckling pressure head, 201, a buckling circular arc groove, 202, a via hole, 203, a locking snap ring, 3, a locking nut, 301, an annular groove, 302, a locking taper head, 303 and an open slot. Detailed Description The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the e