CN201159234Y

CN201159234Y - Locknut

Info

Publication number: CN201159234Y
Application number: CNU2008200962567U
Authority: CN
Inventors: 张朝
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-20
Filing date: 2008-02-20
Publication date: 2008-12-03
Anticipated expiration: 2018-02-20

Abstract

The utility model discloses a locknut belonging to fasteners, which aims to provide a locknut with fine locking effect and convenient usage. The technical scheme comprises that the locknut includes a body, one end of the body (1) is provided with a flange (2), and locking bosses (3) are symmetrically distributed on the end face of the flange. The locknut with simple structure and low cost can not only increase working efficiency but also saves a flat washer and an elastic washer, and can be a substitute for the traditional nuts.

Description

Lock nut

Technical field:

The utility model relates to a kind of fastening piece, relates in particular to a kind of nut.

Background technique:

At present, nut does not generally prevent the function become flexible, and is therefore in use loosening in order to prevent that nut from taking place, and generally all will be used with fastening pieces such as elastic washer, plain washers; Not only operating process is more loaded down with trivial details but also locking effect is also undesirable, also can expend fastening pieces such as a large amount of elastic washers, plain washer simultaneously.

The model utility content: at the above-mentioned defective that exists in the prior art, the utility model aims to provide good, the easy to use lock nut of a kind of locking effect.

To achieve these goals, the utility model by the following technical solutions: it comprises body; It is characterized in that: an end of body is provided with flange, is distributed with locking boss symmetrically at the end face of this flange.

The other end at body is provided with projection, has breach on this projection; Locking boss is the selenodont structure; The concave surface of locking boss is opposite with the rotation direction of screw thread.

Compared with the prior art, therefore the utility model can reach the purpose that prevents nut loosening by the frictional force that increases nut end face owing to increased selenodont locking boss on the basis of conventional nut; In addition, owing to be provided with notched projection at the other end of body, can it be deformed further reach the purpose that prevents nut loosening by pushing described breach after nut is tightened, locking effect be very good.The utility model has been owing to adopted technique scheme, therefore not only improved working efficiency but also omitted plain washer and elastic washer, and not only saving of labor but also material-saving use very convenient.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the plan view of Fig. 1;

Fig. 3 is the worm's eye view of Fig. 1.

Among the figure: body 1 flange 2 locking boss 3 breach 4 projectioies 5

Embodiment:

The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:

In Fig. 1～3, an end of body 1 is provided with flange 2, is provided with a plurality of selenodont locking boss 3 symmetrically at the end face of this flange.The concave surface of each the locking boss 3 all rotation direction with screw thread is opposite, that is: when nut was right-handed thread, the concave surface of locking boss 3 was along distributing clockwise; When nut was left-handed thread, the concave surface of locking boss 3 distributed along inhour.

For the coupling mechanism force that improves nut further, prevent that nut is former thereby take place looseningly because of vibration etc., be provided with the projection 5 of band breach 4 at the other end of body 1.During use, after nut is tightened, can breach 4 be deformed by extruding or the mode of beaing, thereby change the tooth form of screw rod and protruding 5 place's matching threads, finally reach the purpose of locking nut.Because the thread profile of nut and screw rod cooperation place is destroyed, so nut can not withdraw from from screw rod, and in fact the nut of this moment has played the effect of replacement rivet.

Claims

1. a lock nut comprises body; It is characterized in that: an end of body (1) is provided with flange (2), is distributed with locking boss (3) symmetrically at the end face of this flange.

2. lock nut according to claim 1 is characterized in that: the other end at body (1) is provided with projection (5), has breach (4) on this projection.

3. lock nut according to claim 1 and 2 is characterized in that: locking boss (3) is the selenodont structure.

4. lock nut according to claim 3 is characterized in that: the concave surface of locking boss (3) is opposite with the rotation direction of screw thread.