CN2866730Y

CN2866730Y - Mechanical lock

Info

Publication number: CN2866730Y
Application number: CN 200620069665
Authority: CN
Inventors: 周立春
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-24
Filing date: 2006-02-24
Publication date: 2007-02-07
Anticipated expiration: 2016-02-24

Abstract

The utility model relates to a lockset, in particular to a mechanical lock comprising a lock case, a lock pin arranged in a lock cylinder hole, a snap over mechanism, characterized in that a lock blade hole and a straight flute are provided at one side of the lock cylinder and the lock case, the straight flute is communicating with the lock blade hole, the lock blade hole is communicating with the key hole, the snap over mechanism includes a lock blade and a spring arranged within the lock blade hole, a flange on the lock blade extends to the straight flute in the lock case, a annular flute communicating with the straight flute vertically is formed on the lock cylinder hole on the lock case. The effective length of the lock block is extended and the safety performance is improved, without changing the bulk of the lock. The snap over mechanism engaging with the horizontal snap over mechanism could achieve the function of double locking. When the key locked, the key is popped, thereby warning that the key should be plucked off and kept safely.

Description

Mechanical lock

Technical field

The utility model relates to a kind of lockset, and particularly a kind of mechanical lock is the improvement to existing marble mechanical lock.

Background technology

At present, general marble mechanical lock on the market, although the variation of having nothing in common with each other in shape, but structurally all be the lock core that a rotatable tool keyhole is installed in the lock core hole in the middle of the lock body, between lock core and lock body and corresponding to offering some pellets shot from a slingshot hole around the keyhole sidewards, the horizontal lock bullet mechanism that is made up of spring and pellet shot from a slingshot is installed in the pellet shot from a slingshot hole, plays under the spring action of mechanism at horizontal lock and lock core can not be rotated by pellet shot from a slingshot.When unblanking, utilize the groove on the pin of key both sides change to be cooperated with the height of pellet shot from a slingshot, reach the rotation of lock core, finish the unlatching work of lockset.This traditional marble mechanical lock, because the lock bullet is located at around the keyhole sidewards, the coverage of its lock bullet generally only has three millimeter, and locks the core component of bullet as lock, the length direct relation of its coverage the security performance of lock.That is to say that the coverage of lock bullet is long more, the security performance of lock is high more, otherwise the coverage of lock bullet is short more, and lock is just easy more to be left by throwing.Therefore, if will improve the security performance of lock, the coverage of the lock bullet that must extend, and, when increasing lock and playing coverage, certainly will to enlarge the cross-sectional area of lock for the mechanical lock of said structure, cause the volume of lock to be multiplied, thereby bring the inconvenience in the use and bigization of cost.

Summary of the invention

The purpose of this utility model is the mechanical lock that a kind of architecture advances will be provided, and the effective length that this is locked in the lock bullet that can extend under the prerequisite of the volume that does not increase lock to improve safety, the pick-proof performance of lock, reduces production costs.

The purpose of this utility model reaches like this, a kind of mechanical lock, it comprises that lock housing 1, the lock core 2, the lock that rotatably are located at the tool keyhole 21 in the lock core hole 11 in the middle of the lock housing 1 play mechanism, be characterized in: 1 of described lock core 2 and lock housing vertically be shaped on locking plate hole 22, straight trough 12 respectively, straight trough 12 and between the two mutually perforation corresponding with the position in locking plate hole 22, locking plate hole 22 connects with keyhole 21; Described lock bullet mechanism comprises the locking plate 3 and the spring 4 of tool flange 31, and spring 4, locking plate 3 place respectively in the locking plate hole 22 of lock core 2, and the flange 31 on the locking plate 3 then extends in the lock housing 1 and matches with straight trough 12 on it; Be formed with the cannelure 111 that is used to open lockset on the lock core hole 11 of described lock housing 1, cannelure 111 and straight trough 12 are vertical and be connected.

Lock bullet described in the utility model mechanism has 1～4, and the vertical locking plate hole 22, the straight trough 12 that are located at 1 of lock core 2 and lock housing correspondingly also have 1～4 pair.

The width of straight trough 12 described in the utility model is slightly larger than the width of the flange 31 of locking plate 3.

The width of cannelure 111 described in the utility model is slightly larger than the height of the flange 31 of locking plate 3.

Upper and lower adjustment can be done in the position of cannelure 111 described in the utility model on lock core hole 11.

The utility model be furnished with between also around at described lock housing 1 and 2 of lock cores and corresponding to keyhole 21 several laterally lock play mechanism 6.

One of advantage of the present utility model, because at the vertical of 1 of lock core 2 and lock housing and be provided with the single or multiple lock bullet mechanisms that constitute by locking plate 3 and spring 4 all around corresponding to keyhole 21, the coverage that this lock plays mechanism is the actual displacement amount of locking plate 3 to cannelure 111, this actual displacement amount can be added by three original millimeter grows to 30 millimeter, therefore effective length of the mechanical lock that adopts this lock bullet mechanism its lock bullet under the prerequisite of the volume that need not to increase lock can increase more than ten times, has improved safety, the pick-proof performance of lock effectively; Two, the lock bullet mechanism of this vertical setting can combine with the horizontal lock bullet mechanism 6 that common spring is locked and be applied on the mechanical lock of the present utility model, make the mechanical lock that adopts vertical and horizontal lock to play mechanism simultaneously have double locking function, the security performance of its lock is further improved; Three, therefore under the situation that lockset locks, locking plate 3 can eject certain distance automatically with key under the effect of spring 4, can remind owner that key is pulled up and taken good care of.

Description of drawings

Fig. 1 is an example structure sketch of the present utility model.

Fig. 2 is the sectional view of Fig. 1.

Fig. 3 is another example structure figure of the present utility model.

Among the figure: 1. lock housing, 11. lock core holes, 111. cannelures, 12. straight troughs; 2. lock core, 21. keyholes, 22. locking plate holes; 3. locking plate, 31. flanges; 4. spring; 5. key, 51. pins; 6. laterally lock plays mechanism; 7. dead bolt.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described below, but does not constitute restriction the utility model content.

Please refer to Fig. 1 and in conjunction with Fig. 2, the utility model described lock core 2 near lock core hole 11 1 sides vertically offer the locking plate hole 22 that connects with keyhole 21, the length in locking plate hole 22 and the position offered on lock core 2 is vertical can be set arbitrarily according to the needs of different locksets.The utility model offers the straight trough 11 that connects with locking plate hole 22 at the vertical of described lock housing 1 and corresponding to the position in locking plate hole 22, be provided with the lock bullet mechanism that constitutes by locking plate 3, spring 4 in the vertical core that is divided into by straight trough 11 and locking plate hole 22 one common peripheral, wherein, spring 4 is arranged on the bottom in locking plate hole 22, in the locking plate hole 22 outside the locking plate 3 seat springs 4, narrow the contracting of one end and be formed with flange 31, flange 31 extends in the straight trough 12 of lock housing 1.The lock bullet mechanism of this vertical setting can be provided with single or multiple, in the ordinary course of things, in one piece of lockset 1～4 such lock bullet mechanism can be set, the vertical locking plate hole 22, the straight trough 11 that are located at 1 of lock core 2 and lock housing correspondingly also have 1～4 pair, they are endways respectively be arranged in keyhole 21 around.The utility model sets to the concave on the circumference of the lock core hole 11 in the middle of the described lock housing 1 and is formed with the cannelure 111 that is used to open lockset, cannelure 111 and straight trough 12 are vertical and be interconnected, adding man-hour, upper and lower adjustment can be done according to the requirement of different locksets in the position of cannelure 111 on lock core hole 11, and width should be slightly larger than the height of the flange 31 of locking plate 3, and the flange 31 of being convenient to locking plate 3 rotates within it.

Please refer to Fig. 3, this figure has provided another embodiment of the present utility model, to be the lock bullet mechanism that will be vertically be provided with combine and be applied on the mechanical lock of the present utility model with horizontal lock bullet mechanism 6 for it, the security performance of lock adopt the mechanical lock of this combination to have double locking function, so can obtain ultimate attainment raising.In addition, in this embodiment since laterally on the lock concrete structure that plays mechanism 6 and the general marble mechanical lock of the prior art employed lock bullet mechanism duplicate mutually, so here repeat no more.

The utility model is to open lockset like this: at first, key 5 is inserted in the keyhole 21 of lock core 2, at this moment keep out on the locking plate 3 in locking plate hole 22 by the front end of the pin 51 of key 5 sidepieces, by locking plate 3 compression springs 4, making locking plate 3 follow key 5 advances in keyhole 21 together, when locking plate 3 is moved to straight trough 12 with position, cannelure 111 junction forward, this is because the flange 31 of the straight trough that is positioned at lock housing 1 12 of locking plate 3 one sides can rotate at cannelure 111, so rotatable lock core 2, unlocking action is finished in dead bolt 7 displacement together that lock core 2 is driven on it.

The utility model is when under the situation that lockset locks, because locking plate 3 under the effect of spring 4 bounces, can eject certain distance with key 5, automatically so this lockset can remind owner that key is pulled up and taken good care of.

Mechanical lock described in the utility model can be widely used on motor vehicle, safety cabinet, the door etc., as common anti-theft tool.

Claims

1, a kind of mechanical lock, it comprises that lock housing (1), the lock core (2), the lock that rotatably are located at the tool keyhole (21) in the lock core hole (11) in the middle of the lock housing (1) play mechanism, it is characterized in that vertically being shaped on locking plate hole (22), straight trough (12) respectively between described lock core (2) and lock housing (1), straight trough (12) and between the two mutually perforation corresponding with the position of locking plate hole (22), locking plate hole (22) connect with keyhole (21); Described lock bullet mechanism comprises the locking plate (3) and the spring (4) of tool flange (31), spring (4), locking plate (3) place respectively in the locking plate hole (22) of lock core (2), and the flange (31) on the locking plate (3) then extends in the lock housing (1) and matches with straight trough (12) on it; Be formed with the cannelure (111) that is used to open lockset on the lock core hole (11) of described lock housing (1), cannelure (111) is vertical with straight trough (12) and be connected.

2, mechanical lock according to claim 1 is characterized in that described lock bullet mechanism has 1～4, and the vertical locking plate hole (22), the straight trough (12) that are located at correspondingly between lock core (2) and lock housing (1) also have 1～4 pair.

3, mechanical lock according to claim 1 and 2 is characterized in that the width of described straight trough (12) is slightly larger than the width of the flange (31) of locking plate (3).

4, mechanical lock according to claim 1 is characterized in that the width of described cannelure (111) is slightly larger than the height of the flange (31) of locking plate (3).

5,, it is characterized in that the position of described cannelure (111) on lock core hole (11) can do upper and lower adjustment according to claim 1 or 4 described mechanical locks.

6, mechanical lock according to claim 1 is characterized in that being furnished with several laterally lock bullet mechanisms (6) between going back between described lock housing (1) and lock core (2) and around corresponding to keyhole (21).