CN2537791Y - Anti-theft padlock - Google Patents

Abstract

The utility model discloses an anti-theft suspend lock, and belongs to a lockset. A baffle lug is extended between a lock body and a lock loop. The inner loop space between the lock body and the lock loop is greatly reduced, thereby a burglar can not pick the lock with a crowbar, the property safety of the nation and people is ensured, and the social environment is stable. The utility model has simple structure and low cost, is practical, easy to be produced, and is a good product for popularization.

Description

Theft proof padlock

Technical field

The utility model belongs to lockset, particularly can prevent a kind of theft proof padlock that the robber pries open.

Background technology

Kinds such as big on the market at present lock, little lock, spring lock, drawer-lock are a lot, pattern is many.At the spring lock that generally is used for door lock Lock with double safety guard, three safety locks are arranged, but in padlock installation insurance device also rare, due to its pad lock structure, pried open by the thief than being easier to, therefore extremely urgent to its architecture advances.

Summary of the invention

The purpose of this utility model provides a kind of theft proof padlock, it is characterized in that: in the middle of the interior annular space crack that its lock ring and lock body surround, stretch out a retaining tongue on the lock body face.

The width of described retaining tongue and lock ring intercolumnar distance differ should be in 3～4mm, and retaining tongue thickness is identical with the lock ring post, and it highly is the lock ring spatial altitude half.

Described retaining tongue has two kinds of pane and saddle shapeds.

The beneficial effect that the utility model reaches is: owing to install the retaining tongue additional in the space in lock ring; dwindle the remaining space between lock body and the knocker greatly, the robber can't use the rod picking lock, thereby has reduced stolen probability; help the stable of society, protection country and common people's property are not suffered a loss.The utility model structure design is simple, be easy to realize.

Description of drawings

Fig. 1 is pane type retaining tongue theft proof padlock structure schematic diagram;

Fig. 2 is saddle shaped retaining tongue theft proof padlock structure schematic diagram.

The specific embodiment

Figure 1 shows that pane type retaining tongue theft proof padlock structure schematic diagram.It is to stretch out pane retaining tongue 3 on lock body 4 between two lockholes, its width than the little 3～4mm of distance between 2 liang of right cylinders of lock ring about, its thickness is identical with lock ring 2 thicknesses, highly is about half of lock ring 2 interior annular space cracks 1.This retaining tongue 3 can also be saddle shaped (as shown in Figure 2).This spline structure just dwindles the space 1 between lock ring 2 and the lock body 4 greatly, and the burglar can't be committed a crime with the crowbar picking lock, thereby has guaranteed country and people's property safety, has stabilized social environment.

Claims (3)

1. theft proof padlock is characterized in that: in the middle of the interior annular space crack that its lock ring and lock body surround, stretch out a retaining tongue on the lock body face.

2. theft proof padlock according to claim 1 is characterized in that: the width of described retaining tongue and lock ring intercolumnar distance differ should be in 3～4mm, and retaining tongue thickness is identical with the lock ring post, and it highly is the lock ring spatial altitude half.

3. theft proof padlock according to claim 1 is characterized in that: described retaining tongue has two kinds of pane and saddle shapeds.