CN201474403U

CN201474403U - Interlinked safety lock

Info

Publication number: CN201474403U
Application number: CN2009203090752U
Authority: CN
Inventors: 段传忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-28
Filing date: 2009-08-28
Publication date: 2010-05-19
Anticipated expiration: 2019-08-28

Abstract

The utility model discloses an interlinked safety lock which is characterized in that the safety lock comprises a lock base (1), an upper lock bolt plate (2), a lower lock bolt plate (3) and lock core keys (4). The upper lock bolt plate (2) and the lower lock bolt plate (3) are respectively arranged at the upper side and the lower side of the lock base (1) which is provided with a plurality of lock holes (6); lock core holes (5) are arranged on the lock holes (6); an upper groove (20) and a lower groove (30) are respectively arranged at the positions on the upper lock bolt plate (2) and the lower lock bolt plate (3), corresponding to the lock core holes (5); the lock core keys (4) are slidingly arranged in the lock core holes (5); and under the action of the gravity, the lock core keys (4) fall into the groove (30) of the lower lock bolt plate (3). The lock holes (6) are six in number and each lock hole (6) is provided with four lock core holes (5). The interlinked safety lock greatly improves the burglary prevention and safety reliabilities, can be widely applied on products of various safes and safe vault doors, and greatly improves the safety effect of the products.

Description

A chain of safety lock

Technical field

The utility model relates to a kind of lockset, especially a kind of a chain of safety lock that is applied on locking insurance of valuables case or the strong-room.

Background technology

The locking device of customary risks case or strong-room door is to adopt one common lock added a password capstan, there is following drawback in this structure when using: at first need only a people remember not too complex password, this password can be the revolution and the rotation direction of capstan, just can open locking device with a unique key, so, just improper to keeping important item, file, archives, particularly Military Document; Secondly, the rotation direction of password capstan and revolution in use are constant, are therefore very easily remembered by other people, more easily are cracked and open.In addition, though electronic lock of using, Fingerprint Lock etc. have overcome above-mentioned deficiency, in use still exist because of electronic devices and components, line fault is unreliable and be difficult to effectively discern defectives such as human body biological characteristics.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned defective, and a kind of a chain of safety lock is provided, and this lockset keeps the reliability of mechanical lock, stubborn superiority such as performance electronic lock.

The technical solution of the utility model is:

A chain of safety lock of the present utility model is basic by lock, upward parts such as lock bolt plate, following lock bolt plate, lock core key machine knob combine.The lock base is provided with a plurality of lockholes, knob hole and lock core hole, last lock bolt plate and following lock bolt plate are separately positioned on the above and below of lock base, and and lock the gap of certain width is arranged between the base, correspondence is provided with a plurality of lock core holes in each lockhole, the lock core key is slidably disposed on wherein, and all rely on self gravitation to sink to dropping on down in the groove of correspondence position on the lock bolt plate, firmly lock bolt plate is locked.

After correct again lockhole inserted correct key, key was the lock core key jack-up that makes progress, and then can go up lock bolt plate and following lock bolt plate release, and the devices such as cam that can drive behind the twisting knob on the knob will be gone up lock bolt plate and the unlatching of following lock bolt plate, and lock is opened.

A kind of a chain of safety lock, it comprises lock base, last lock bolt plate, following lock bolt plate and lock core key, the described lock bolt plate of going up is separately positioned on the basic both sides up and down of lock with following lock bolt plate, the lock base is provided with some lockholes, lockhole is provided with lock core hole, the position of corresponding lock core hole is respectively equipped with upper groove and low groove on last lock bolt plate and the following lock bolt plate, and sliding in the lock core hole is provided with the lock core key, and the lock core key relies on self gravitation to fall into down in the groove of lock bolt plate.

The quantity of described lockhole is 6, and each lockhole is provided with 4 lock core holes.

Described lock core key is square frame that seals or the square frame shape that is provided with opening.

Described lock base is provided with knob hole, and knob hole is provided with knob, establishes cam on the knob, and cam keeps in touch with the baffle plate that is connected lock bolt plate and following lock bolt plate, and baffle plate is provided with dead bolt.

At least one lockhole rear is provided with and can be supported the insurance movable contact plate C that opens by key, and insurance movable contact plate C contacts with stationary contact B, and being provided with at all the other lockhole rears can be by key to the movable contact piece A to stationary contact B; Insurance movable contact plate C connects a utmost point of battery, an electrode of another of battery grade connection loudspeaker, and another electrode of loudspeaker is connected with movable contact piece A.

The beneficial effects of the utility model are:

The unlocking condition of a chain of safety lock of the present utility model must be that some keys insert correct lockhole with correct direction simultaneously, each key not only requires to sit in the right seat but also have directionality, arbitrary key can insert the arbitrary lockhole in some lockholes and all can positive and negatively insert, but key does not need key after inserting, if arbitrary key wrong plug position and direction are wherein arranged, then lock is lockable.With six keys is example, calculates through the permutation and combination method: six keys had only for 1 this moment correct in 93321 different positions and direction, that is, the probability of opening this lock is 6 ⁶X2/one, as seen the people who does not know key tram (password), the possibility of desiring to want to open this lock is almost nil.A chain of safety lock of the present utility model belongs to mechanical lock, make structures such as electronic lock, Fingerprint Lock more solid and reliable, low cost of manufacture, be difficult for destroyed, stronger than the conventional combination lock confidentiality, key need not rotate, and can use with heavy, large-scale and the supporting manufacturing of special door, and can mix easy electronic alarm device, strengthen security performance, can be widely used in each enterprise and department, especially finance and military service.

A chain of safety lock of the present utility model improves antitheft, the safety reliability of safety lock greatly, is used in various safety cabinets, in the product of strong-room door, has greatly improved the safety effect of product.

Description of drawings

Fig. 1 is the generalized section of a chain of safety lock of the present utility model.

Fig. 2 is a warning device schematic diagram of the present utility model.

Fig. 3 is the elevational schematic view of lock base of the present utility model.

Fig. 4 is the vertical view of Fig. 3.

Fig. 5 is a structural representation of going up lock bolt plate of the present utility model.

Fig. 6 is the structural representation of lock bolt plate down of the present utility model.

Fig. 7 is the vertical view of Fig. 6.

Among the figure: 1 for lock base, 2 for last lock bolt plate, 20 for upper groove, 3 for lock bolt plate down, 30 for low groove, 4 for the lock core key, 5 for lock core hole, 6 for lockhole, 7 for knob hole, 8 for battery, 9 for loudspeaker, A be that movable contact piece, B are that stationary contact, C are insurance movable contact plate.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described:

To be provided with six keys, promptly lock base 1 is provided with 6 lockholes 6 and is the example explanation.

A kind of a chain of safety lock, it comprises lock base 1, last lock bolt plate 2, following lock bolt plate 3 and lock core key 4, the described lock bolt plate 2 of going up is separately positioned on the both sides up and down of locking base 1 with following lock bolt plate 3, lock base 1 is provided with some lockholes 6, lockhole 6 is provided with lock core hole 5, the position of corresponding lock core hole 5 is respectively equipped with upper groove 20 and low groove 30 on last lock bolt plate 2 and the following lock bolt plate 3, and sliding in the lock core hole 5 is provided with lock core key 4, and lock core key 4 relies on self gravitation to fall into down in the groove 30 of lock bolt plate 3.

The quantity of lockhole 6 is 6, and each lockhole 6 is provided with 4 lock core holes 5, promptly always has 24 lock core holes 5.

Lock core key 4 is square frame that seals or the square frame shape that is provided with opening.

Lock base 1 is provided with knob hole 7, and knob hole 7 is provided with knob, establishes cam on the knob, and cam keeps in touch with the baffle plate that is connected lock bolt plate 2 and following lock bolt plate 3, and baffle plate is provided with dead bolt.

Increase electronic alarm device, be provided with at second lockhole 6 rear and can be supported the insurance movable contact plate C that opens by key, insurance movable contact plate C contacts with stationary contact B, and being provided with at all the other lockhole 6 rears can be by key to the movable contact piece A to stationary contact B; Insurance movable contact plate C connects a utmost point of battery 8, an electrode of another grade connection loudspeaker 9 of battery 8, and another electrode of loudspeaker 9 is connected with movable contact piece A.

Like this, have only and insert earlier second key, inserting all the other keys more just can smooth opening this lock, if the key of other lockholes of insertion earlier will be pushed movable contact piece A to stationary contact B, so that guide alarm circuit, warning.After earlier inserting second key, this key will insure movable contact plate C push open after, insert the interior key of all the other lockholes, even these keys are pushed movable contact piece A to stationary contact B, can not start warning circuit yet.Therefore, in case insert wrong key or insert other special-shaped materials, will instant alarm, greatly improved the insurance theftproof performance of a chain of safety lock.

In addition, secret downward on the teeth directional is locked in the insertion of six keys in addition, misplug can lock core key 4 be entered in the upper groove 20 of lock bolt plate 2 lock core key 4 jack-up upwards, still can't unblank.

Six keys of a chain of safety lock can divide many people's keepings, and the individual oneself remembers the insertion position and the direction of insertion of key, does not know mutually, when unblanking, the people that must hold key all shows up, and the peace password is thrown lock, have only six keys are all accurately inserted in the lockhole 6, the rotation knob just can be unblanked.Six keys had only for 1 this moment correct in 93321 different positions and direction, that is, the probability of opening this lock is 6 ⁶X2/one, visible the people who does not know key tram password, the possibility of desiring to want to open this lock is almost nil.

The quantity of lockhole 6 also is 10, and each lockhole 6 is provided with 4 or a plurality of lock core hole 5, the difficulty of unblanking with increase.In such cases, unblanking generally is 10 ¹⁰X2/one.

The quantity of lockhole 6 and lock core hole 5 all can be adjusted according to actual needs.

Claims

1. a chain of safety lock, it is characterized in that it comprises lock base (1), last lock bolt plate (2), following lock bolt plate (3) and lock core key (4), described upward lock bolt plate (2) and following lock bolt plate (3) are separately positioned on the both sides up and down of lock base (1), lock base (1) is provided with some lockholes (6), lockhole (6) is provided with lock core hole (5), the position that last lock bolt plate (2) and following lock bolt plate (3) are gone up corresponding lock core hole (5) is respectively equipped with upper groove (20) and low groove (30), slide in the lock core hole (5) lock core key (4) is set, lock core key (4) relies on self gravitation to fall into down in the groove (30) of lock bolt plate (3).

2. a chain of safety lock according to claim 1, the quantity that it is characterized in that described lockhole (6) is 6, each lockhole (6) is provided with 4 lock core holes (5).

3. a chain of safety lock according to claim 1 is characterized in that described lock core key (4) is square frame that seals or the square frame shape that is provided with opening.

4. root a chain of safety lock according to claim 1, it is characterized in that described lock base (1) is provided with knob hole (7), knob hole (7) is provided with knob, establishes cam on the knob, cam keeps in touch with the baffle plate that is connected lock bolt plate (2) and following lock bolt plate (3), and baffle plate is provided with dead bolt.

5. a chain of safety lock according to claim 1, it is characterized in that being provided with and being supported the insurance movable contact plate C that opens by key at least one lockhole (6) rear, insurance movable contact plate C contacts with stationary contact B, and being provided with at all the other lockholes (6) rear can be by key to the movable contact piece A to stationary contact B; Insurance movable contact plate C connects a utmost point of battery (8), an electrode of another grade connection loudspeaker (9) of battery (8), and another electrode of loudspeaker (9) is connected with movable contact piece A.