CN201297067Y

CN201297067Y - Safe-guard lock

Info

Publication number: CN201297067Y
Application number: CNU2008201734661U
Authority: CN
Inventors: 罗效群
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-24
Filing date: 2008-10-24
Publication date: 2009-08-26
Anticipated expiration: 2018-10-24

Abstract

The utility model discloses a safe-guard lock comprising a lock body. One end of the lock body, which is provided with a lock hole, is provided with a safe-guard cover covering the lock hole; the safe-guard cover is provided with a key slot inserted by a key; the key slot can be also disposed on the side or the bottom of the safe-guard cover; the key slot comprises a tooth part slot extending along the axial direction of the safe-guard cover and a handle part slot extending along the circumferential direction of the safe-guard cover; and the key slot forms an included angle with the lock hole. The lock hole can be concealed to stop a picklock using tools to pick the safe-guard lock, so the safe-guard lock has good safety performance and can be used as a vehicle lock, a padlock, a door lock and other locks.

Description

Pick-proof lock

Technical field

The utility model relates to the lock technology field, relates in particular to a kind of pick-proof lock.

Background technology

Used lock, bicycle lock and door lock that picture generally uses, lock core is installed in the lock body, in order to prevent to be prized, though lock core has been carried out a lot of improvement, lockhole still is exposed to the outside, and stealer still can be according to the specification of lockhole, in all sorts of ways lock is carried out front destruction, carry out the pilferage behavior.This just makes the security performance of lock reduce greatly, does not reach due safety precaution effect.

The utility model content

Technical problem to be solved in the utility model is: a kind of pick-proof lock is provided, lockhole hidden, and restriction picking lock person tool using, security performance is good.

For solving the problems of the technologies described above, the technical solution of the utility model is: pick-proof lock, comprise lock body, and there is an end of lockhole to be provided with the Tamper Cover that coats lockhole at described lock body, on described Tamper Cover, be provided with the key of inserting for key.

As a kind of preferred implementation, described key is opened on the side of Tamper Cover, and described key comprises along axially extended tooth portion's groove of described Tamper Cover with along the shank slots of the circumferential extension of described Tamper Cover.

As a kind of preferred implementation, described key is opened on the bottom surface of described Tamper Cover, and described key is " one " font, and described " one " font key and described lockhole have angle.

After having adopted technique scheme, the beneficial effects of the utility model are: the utility model is hidden in lockhole in the Tamper Cover, only be provided with the key that key can enter work on the Tamper Cover, stealer can't be seen the specification of lockhole, and general picklock can't enter in the Tamper Cover by key lock is opened, and has improved the security performance of lock.When key is opened on the side of Tamper Cover, the tooth portion of key is inserted from tooth portion groove, then along the shank of shank slots key, finish normal unlatching.If do not use key, can't normally open, thereby play the purpose of restriction picking lock person tool using with bending shank.When key is opened on the bottom surface of Tamper Cover, because described key is " one " font, and described " one " font key and described lockhole have angle, after key stretches in the Tamper Cover from key, must rotating certain angle could align with lockhole, this equally also can play the purpose of restriction picking lock person tool using.

Description of drawings

Fig. 1 is the structural representation of the utility model first embodiment;

Fig. 2 is a key of opening pick-proof lock shown in Figure 1;

Fig. 3 is the structural representation of the utility model second embodiment;

Fig. 4 is a key of opening pick-proof lock shown in Figure 3.

The specific embodiment

First embodiment

As shown in Figure 1, a kind of pick-proof lock, comprise lock body 1, there is an end of lockhole that the Tamper Cover 2 that coats lockhole is set at lock body 1, lock body 1 is one processing with Tamper Cover 2, on the side of Tamper Cover 2, be provided with and be used for the key that key inserts and works, the width of key cell body and the thickness of key match, key is inserted and can be along the groove rotation work, lockhole is hidden in the Tamper Cover 2, and key is arranged on the side of Tamper Cover, makes stealer can't judge the specification of lockhole, general picklock is difficult to enter Tamper Cover 2 inside lock is destroyed, and the security performance of lock improves greatly.

Key comprises that tooth portion groove 31 is communicated with to become " L " shape with shank slots 32 along the axially extended tooth portion groove 31 of Tamper Cover 2 with along the shank slots 32 of the circumferential extension of Tamper Cover 2.

Fig. 2 shows a kind of unlatching key of pick-proof lock as shown in Figure 1, comprise tooth portion 41, be provided with a shank 42 vertical at the tail end of tooth portion 41 with tooth portion 41, the thickness of tooth portion 41 is narrower than the width of tooth portion groove 31, can enter smoothly and insert lock core in the Tamper Cover 2, shank 42 is a Metallic rod, the bar footpath is narrower than the width of shank slots 32, tooth portion 41 is entered in the Tamper Cover 2 by tooth portion groove 31, behind lockhole insertion lock core, shank 42 is realized the function of unblanking and locking along shank slots 32 rotation works, for the ease of gripping and easy to carry, be provided with Handheld Division 43 at the tail end of shank 41.

Second embodiment

Its structure and first embodiment are basic identical, and its difference is that as shown in Figure 3, key 3 is opened on the bottom surface of Tamper Cover 2, and described key 3 is " one " font, and described " one " font key 3 has angle with lockhole 11.

Fig. 4 shows a kind of unlatching key of pick-proof lock as shown in Figure 3, and is the same with key shown in Figure 2, and tooth portion 41, shank 42 and Handheld Division 43 are also arranged, and its difference is that shank 42 is straight.After the tooth portion 41 of key inserts in the Tamper Cover 2 from key 3, rotate Handheld Division 43, tooth portion 41 and lockhole 11 are aligned, insert then in the lockhole 11, can implement to open.

The utility model is not limited to above-mentioned embodiment, and its essence is to be provided with a Tamper Cover on lock body, by on its side or bottom surface, key being set, thereby lockhole is hidden, and restriction picking lock person tool using, security performance is good.The technical conceive that the utility model disclosed can be applied on the various locksets such as lock, padlock or door lock.

Claims

1. pick-proof lock comprises lock body (1), it is characterized in that: have an end of lockhole (11) to be provided with the Tamper Cover (2) that coats lockhole at described lock body (1), be provided with the key of inserting for key on described Tamper Cover (2).

2. a kind of pick-proof lock as claimed in claim 1, it is characterized in that: described key is opened on the side of described Tamper Cover (2), and described key comprises along axially extended tooth portion's groove (31) of described Tamper Cover (2) with along the shank slots (32) of the circumferential extension of described Tamper Cover (2).

3. a kind of pick-proof lock as claimed in claim 2 is characterized in that: described tooth portion's groove (31) is communicated with to become " L " shape with described shank slots (32).

4. a kind of pick-proof lock as claimed in claim 1 is characterized in that: described key is opened on the bottom surface of described Tamper Cover (2), and described key is " one " font, and described " one " font key and described lockhole (11) have angle.

5. as described any pick-proof lock of claim 1 to 4, it is characterized in that: described lock body (1) is made as one with described Tamper Cover (2).