CN207728711U - A kind of Antiskid screw - Google Patents

Abstract

The utility model discloses a kind of Antiskid screw, including one there is externally threaded screw rod, the nut being fixed on the screw rod to further include：Non-slipping block, the non-slipping block are set to the nut lower face, and one end is connect with the screw rod, and the other end screws out the lower face edge that direction bending extends to the nut, the non-slipping block protrusion setting towards the screw rod；Thread gap, the thread gap are axially opened on the external screw thread of the screw rod.The utility model can effectively prevent loosening by non-slipping block and extraneous attachment surface interference engagement, and thread gap can prevent the external screw thread stress on screw rod and cause to deform.

Description

A kind of Antiskid screw

Technical field

The utility model is related to a kind of screw more particularly to a kind of Antiskid screws.

Background technology

Screw is as the most frequently used and effective fastening means in existing all kinds of industries, in computer, communication and consumer electricity It is widely used in all kinds of industries of sub- product etc..But security risk, disabler, machine because caused by loosening screw worked itself loose The problems such as device damages is emerged one after another., usually can be because of external force or application environment in addition, when if the external screw thread protrusion on screw thread is very high Variation and cause external screw thread to deform, lead to thread failure or loosening.

Therefore, the prior art could be improved and improve.

Utility model content

Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of Antiskid screws, it is intended to Loosened screw is prevented, and external screw thread is avoided to lead to external screw thread deformation failure because of external force.

In order to achieve the above object, the utility model takes following technical scheme：

A kind of Antiskid screw, including one have externally threaded screw rod, the nut being fixed on the screw rod also wraps It includes：

Non-slipping block, the non-slipping block are set to the nut lower face, and one end is connect with the screw rod, and the other end is towards institute It states screw rod and screws out the lower face edge that direction bending extends to the nut, the non-slipping block protrusion setting；

Thread gap, the thread gap are axially opened on the external screw thread of the screw rod.

Preferably, height of projection of the non-slipping block close to described screw rod one end is more than the protrusion away from described screw rod one end Highly.

Compared with prior art, the beneficial effects of the utility model：The utility model is arranged by one under the nut The interference engagement of non-slipping block and extraneous attachment surface on end face, can effectively prevent loosened screw；In addition, the thread gap can prevent Only the external screw thread stress reason on the screw rod and cause external screw thread to deform.

Description of the drawings

Fig. 1 is a kind of overall structure diagram of Antiskid screw preferred embodiment of the utility model.

Specific implementation mode

To keep the purpose of this utility model, technical solution and effect clearer, clear, develop simultaneously implementation referring to the drawings The utility model is further described in example.It should be appreciated that specific embodiment described herein is only explaining this practicality It is novel, it is not used to limit the utility model.

A kind of Antiskid screw provided by the utility model, refers to Fig. 1, as shown, having externally threaded spiral shell including one Bar 20, the nut 10 being fixed on the screw rod 20 further include：

Non-slipping block 11, the non-slipping block 11 are set to 10 lower face of the nut, and one end is connect with the screw rod 20, separately One end screws out the lower face edge that A bendings in direction extend to the nut 10 towards the screw rod 20, and 11 protrusion of the non-slipping block is set It sets；

Thread gap 21, the thread gap 21 is axial to be opened on the external screw thread of the screw rod 20.

In the utility model embodiment, the back-out direction A is to unclamp the Antiskid screw, and screw-in direction B is tightens State Antiskid screw；The non-slipping block 11 is curved protruding block, and one end is connected with the screw rod 20, then towards the screw rod 20 screw out direction A curved lower face edges for extending to nut 10, when tightening the Antiskid screw, the non-slipping block 11 with it is attached Face contact, since the non-slipping block 11 is to screw out the curved extensions of direction A towards the screw rod 20, so when unclamping the anti-skidding spiral shell When silk, the non-slipping block 11 increases frictional force with attachment surface, and the effectively described Antiskid screw is made to unclamp.

Further, since the external screw thread protrusion of screw rod 20 is very high in the present embodiment, the thread gap 21 is described for preventing External screw thread on screw rod 20 is because external force causes to deform, also, the thread gap 21 can also be convenient for lubricating oil to inject.

Further, height of projection of the non-slipping block 11 close to 20 one end of the screw rod, which is more than, deviates from the screw rod 20 1 The height of projection at end, it is smooth when to make the Antiskid screw tighten, and when unclamping, the non-slipping block 11 is then formed with attachment surface Deduction makes the effectively described Antiskid screw unclamp to increase the frictional force of the non-slipping block 11 and attachment surface.

In conclusion the utility model discloses a kind of Antiskid screw, including one has externally threaded screw rod, fixed setting Nut on the screw rod further includes：Non-slipping block, the non-slipping block are set to the nut lower face, one end with it is described Screw rod connects, and the other end screws out the lower face edge that direction bending extends to the nut towards the screw rod, and the non-slipping block is convex Play setting；Thread gap, the thread gap are axially opened on the external screw thread of the screw rod.The utility model passes through non-slipping block It can effectively prevent loosening with extraneous attachment surface interference engagement, and thread gap can prevent the external screw thread stress on screw rod and lead Mutagens shape.

It is understood that for those of ordinary skills, can with technical solution according to the present utility model and The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model Scope of the claims.

Claims (2)

1. a kind of Antiskid screw, including one there is externally threaded screw rod, the nut being fixed on the screw rod, feature to exist In the Antiskid screw further includes：

Non-slipping block, the non-slipping block are set to the nut lower face, and one end is connect with the screw rod, and the other end is towards the spiral shell Bar screws out the lower face edge that direction bending extends to the nut, the non-slipping block protrusion setting；

Thread gap, the thread gap are axially opened on the external screw thread of the screw rod.

2. Antiskid screw according to claim 1, which is characterized in that protrusion of the non-slipping block close to described screw rod one end Height is more than the height of projection away from described screw rod one end.