CN2268088Y

CN2268088Y - Improved structure of lock with cross locking hole

Info

Publication number: CN2268088Y
Application number: CN 96212013
Authority: CN
Inventors: 杨良池
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-05-27
Filing date: 1996-05-27
Publication date: 1997-11-19
Anticipated expiration: 2006-05-27

Abstract

The utility model belongs to an improved structure of a lock with a cross locking hole, mainly composed of a lock seat and a key, wherein, the lock seat comprises an inner lock seat and a hollow seat sleeve towards lower inner side, and the seat sleeve is sheathed with the outer end of the inner lock seat. A cross locking hole with the same caliber is respectively arranged at each of the lock seat and the central position of the seat sleeve; a fixing ring pipe is sheathed with the outer lateral side of the seat sleeve; pin holes used for pivoting are arranged on the fixing ring pipe and the seat sleeve; the key is additionally provided with a blocking part under a handle; a neck part which is a little smaller than the central caliber of the cross locking hole is additionally arranged under the blocking part; a key main body which can be inserted in the inner lock seat is also arranged under the blocking part. The utility model is the improved structure of the lock with a cross locking hole having anti-theft function.

Description

Improvement lock structure with cross lockhole

The utility model belongs to a kind of lockset, particularly in a kind of improvement lock structure with cross lockhole.

General lock and key are generically and collectively referred to as lockset, this lock can hold the lockhole shape of key, need to decide according to the key shape, can be divided into a letter lock hole, T letter lock hole and cylinder lockhole, the most common lockhole shape is to be a letter lock hole, so day by day brilliant because of deathwatch's gimmick, so with the key body of lockhole in the lock and key changes shape in addition, this is the generation of cross lockhole and cylinder lockhole, wherein the cross lockhole is with the double variation in addition of script one letter lock hole, making the key body was to lock tooth or two roads lock tooth on one side originally, increase to four roads lock tooth, and cylinder lockhole system changes movable tooth in the cross lock into elastic steel ball, and be cylinder key body with Cross lock, and with cylinder on the circle hole groove of etching steel ball position, also prevent that the burglar from learning the structure of lock inside, just can open lockset with specific process or approximate key, but above-mentioned lock structure has reached majority since mass selling can open under the situation of lockset easily, become the technology that the burglar extensively and all knows, thereby cause installing of above-mentioned lock, the sheerly effect of stable psychology needs the structure of former cross lock is improved for this reason, makes the cross lock have more anti-theft feature.

The purpose of this utility model is to overcome the problem that the lockset of existing cross lockhole exists, and proposes a kind of safe and reliablely, has the improvement lock construction of the cross lockhole of anti-theft feature.

Structure with improvement lockset of cross lockhole of the present utility model is: it mainly is made of a lock and key, it is characterized in that: wherein lock comprise lock in one and be set in the lock outside cover for seat and be sleeved on the fixedly endless tube in the cover for seat outside, offer the cross lockhole and the trepanning of identical bore respectively in the center of interior lock and cover for seat, and cover for seat and fixedly the same area of the sidewall of endless tube offer the pin-and-hole of same diameter respectively, by running through the pin of the pin-and-hole on the two side, both are interfixed; Key wherein comprises handle successively, the stop section, and neck and key body, its cross key body can insert in the lockhole at lock center.Described key stop section have with lock in the smaller neck of central aperture of the cross trepanning offered, make neck can penetrate trepanning in the described cover for seat, key body under the neck is combined with the lockhole of interior lock is close fully, and lock rotated in screw key made.The length of described key neck equals or is slightly larger than the pore wall thickness of the cross trepanning on the seat.

The utility model is for achieving the above object, with structure, action and the effect thereof of embodiment, and with reference to accompanying drawing, in detail explanation as after.Its accompanying drawing has:

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2-5: be action sectional drawing of the present utility model.

Fig. 6-7: be the sectional drawing that prevents pirate of the open of the present utility model.

In Fig. 1-7:

Lock 12 lockholes in 1 lock 11

13 cover for seat, 14 trepannings, 15 pin-and-holes

16 fixing endless tube 17 pin-and-holes 18 pins

2 keys, 21 handles, 22 stop sections

23 necks, 24 key bodies

Embodiment:

The lockset of present embodiment is constituted (as shown in Figure 1) by lock 1 and key 2, wherein lock 1 has lock 11 in, and offer a cross lockhole 12 thereon, should cover on it with a hollow cover for seat 13 by interior lock 11, these cover for seat 13 upper surfaces offer one with the trepanning 14 of the cross lockhole 12 identical bores of interior lock 11, the tubular seating face of this cover for seat 13 is offered two pin-and-holes 15 of same diameter in the relevant position, and side is the fixedly endless tube 16 of sheathed one bigger cover for seat 13 bores outside this cover for seat 13, fixedly the pin-and-hole 17 of same position is also offered in the tubular side of endless tube 16 in block set 13 pin-and-holes 15 places, and with these pin-and-

holes

15,17 make and interfix with a pin 18.

Key 2 is to extend a stop section 22 for 21 times at handle, this stop section 22 offer downwards one with the smaller neck 23 of lock 1 set cross trepanning 14 cross confluce bores, and in neck 23 extend downwards can insert in key body 24 in the set lockhole 12 of lock 11, and become cross lock construction with anti-theft feature.

Shown in figure 2-5, the use flow process of this lockset is that key 2 is injected in the lock 1 fully, make the set necks 23 of key 2 see through the set trepanning 14 of cover for seat 13 fully, this key body 24 combines closely with the lockhole 12 of interior lock 11 fully, lock 11 rotated in this moment, just but turn key 2 drove, because of closing with pin, cover for seat 13 and fixing endless tube 16 be fixed in the outside, lock 11 in so the rotation of the key 2 of this lockset only can drive, as desire to open this lockset with the key of non-lockset, will meet the situation shown in Fig. 6-7, when wherein general cross key inserts this lockset, its key body promptly is stuck in the trepanning 14 of cover for seat 13, because of cover for seat 13 is to sell the fixedly endless tube 16 that closes in overcoat with a pin 18, so can't rotarily open this lockset.

As mentioned above, the main effect of this lockset is:

1, needs to join key 2 and can open lock 1, so have suitable anti-theft effect with what this lockset conformed to.

2, the key 2 general cross key length of this lockset are grown and are added a neck, and vertical burglar knows its structure, also can't be reequiped with general cross key and unblank.

Claims

1, a kind of improvement lock structure with cross lockhole, it mainly is made of a lock and key, it is characterized in that: wherein lock comprise lock in one and be set in the lock outside cover for seat and be sleeved on the fixedly endless tube in the cover for seat outside, offer the cross lockhole and the trepanning of identical bore respectively in the center of interior lock and cover for seat, and cover for seat and fixedly the same area of the sidewall of endless tube offer the pin-and-hole of same diameter respectively, by running through the pin of the pin-and-hole on the two side, both are interfixed; Key wherein comprises handle successively, the stop section, and neck and key body, its cross key body can insert in the lockhole at lock center.

2, lock structure as claimed in claim 1, it is characterized in that described key stop section have with lock in the smaller neck of central aperture of the cross trepanning offered, make neck can penetrate trepanning in the described cover for seat, key body under the neck is combined with the lockhole of interior lock is close fully, and lock rotated in screw key made.

3, lockset as claimed in claim 1 or 2 is characterized in that the length of described key neck equals or be slightly larger than the pore wall thickness of the cross trepanning on the cover for seat.