CN2165187Y - Cylinder lock with many changeable keys - Google Patents

Abstract

The utility model relates to a cylinder lock with many changeable keys, which comprises a lock head composed of a lock core, a sleeve ring, a lock body and a cylinder structure, common keys with many types and a special key-type transforming key. The utility model has the structural characteristic that the sleeve ring rotatablely provided with a plurality of groups of uniformly distributed cylinders is glidingly sheathed between the inner lock core and the lock body, and a confidential key-type transforming mechanism is arranged in the sleeve ring; a step stop device is arranged on the lock body and the sleeve ring respectively. The lock realizes that one lock head has the interdependent keys with many types; the user can effectively prevent the problems of stealage created by that the key is missed or is imitated, etc. through selecting the key-type transforming key selects and changing the used key; simultaneously the utility model can prevent being unlocked by a universal key.

Description

Cylinder lock with many changeable keys

The utility model relates to the cylinder lock set that a kind of convertible many moneys key is unblanked.

Regular meeting runs into such situation in the daily life; being afraid of others because of key loss picks up; allow key hang over for a long time to lock or a key is given the stranger and used and I'm afraid that others has copied key because of forgetting to pull key; also worry copied key because of tenant, company clerk, safety cabinet user's change, or the like.In these cases, more renew lock and often be part and not only spend but also time-consuming thing, and if continue to use original lock, then the user's always has a kind of sense of insecurity at heart again.In order to address this problem, people exploring always one can have many moneys to tapered end can be for the possibility of the key of conversion, Chinese patent application 89213808.4,90225437.5 and 91203501.3 discloses the ball lock head of convertible spoon money respectively, but there is two large problems: a disposable key of (1), every increase, must on internal cylinder, add a lock core collar, complex structure not only, and since the volume restrictions of lock core the number of convertible spoon money; (2), spoon money mapping device lacks confidentiality, anyly can carry out the change of spoon money indoor people, have the stranger of arbitrary spoon of money key, indoorly just might turn from a guest into a host, and these technology all can't be used for the lockset that lock etc. is exposed to the outside fully in case infiltrate.

The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of convertible many moneys key simple in structure and the universal cylinder lock set of spoon money mapping device good confidentiality are provided.

Solution of the present utility model is as follows.It has internal cylinder, the collar and lock body, internal cylinder slides in the collar, the collar slides in the lock body again, collar rear end is in abutting connection with the interior centring ring of cannelure that has tightly to be embedded in the internal cylinder appearance, on internal cylinder, have several one-tenth one rows' the vertical pellet shot from a slingshot hole that communicates of the keyhole with internal cylinder vertically, and an internal cylinder pellet shot from a slingshot is housed respectively in each pellet shot from a slingshot hole, in the collar, have around one week of the collar equally distributed many group pellets shot from a slingshot hole on the collar, every group of pellet shot from a slingshot hole axially offering along the collar, its quantity is identical with the pellet shot from a slingshot hole number of internal cylinder, when internal cylinder is rotated, every group of pellet shot from a slingshot hole of the collar all can align one by one with the pellet shot from a slingshot hole of internal cylinder, in each pellet shot from a slingshot hole of the collar two collar pellets shot from a slingshot are housed all, the total length of per two collar pellets shot from a slingshot all equates with the wall thickness of the collar, but the length of every collar pellet shot from a slingshot has nothing in common with each other in the collar, inside and inside from the cover ring outer surface from collar rearward end inner surface, have several hemispherical-shaped aperture and several spoons of bodies that equally distributed quantity equates with the pellet shot from a slingshot hole group number of the collar on the collar around one week of the collar and advance breach, on lock body, have that row's quantity equates with the pellet shot from a slingshot hole number of internal cylinder vertically and with axial vertical pellet shot from a slingshot hole, when the collar rotates, every group of pellet shot from a slingshot hole of the collar all can align one by one with the pellet shot from a slingshot hole of lock body, in each pellet shot from a slingshot hole of lock body, outside from the lining, lock spring and spring all are housed successively, at least one aperture, pellet shot from a slingshot hole of lock body is equipped with and is pressed the pellet shot from a slingshot displacement restriction plug that wraps the spring outer end, the pellet shot from a slingshot port lid of pressing spring outer end then is equipped with in remaining aperture, pellet shot from a slingshot hole, on lock body, also have and axial vertical step lug-latch hole, step retaining ball outwards is housed successively from the lining in the hole, spring and step lug-latch port lid, when the collar rotated, step retaining ball can enter in several hemispherical-shaped aperture of the collar successively; Have a few money normal key and a spoon money conversion key that quantity equates with the pellet shot from a slingshot hole group number of the collar, spoon money conversion key is made up of spoon body part, key bit part and spring, key bit part bottom cunning is inserted in the chute that spoon body partly offers, and key bit part rear end partly links to each other with the spoon body by spring.

The utility model with said structure, when key does not insert the keyhole of internal cylinder, the two ends, one group of pellet shot from a slingshot hole of the collar align mutually with the pellet shot from a slingshot hole of internal cylinder and lock body respectively, lock spring puts in the pellet shot from a slingshot hole of the collar under the elastic force effect of spring, collar pellet shot from a slingshot is compressed into internal cylinder pellet shot from a slingshot hole, internal cylinder, the collar and lock body all can not relatively rotate each other at this moment, and lock is in the lock state.And when inserting the normal key of selected spoon money, interface between per two collar pellets shot from a slingshot in whole one group of pellet shot from a slingshot hole of the collar all flushes on the interface between lock core and the collar, thereby key, internal cylinder are just rotated and lock can be opened, but this moment, the collar can not rotate.

In the time will changing employed spoon of money, only need the spoon money conversion key of special use is inserted in the keyhole, just two collar pellets shot from a slingshot with pairing one group of collar pellet shot from a slingshot hole all are pressed in the collar pellet shot from a slingshot hole, and the outer face of per two collar pellets shot from a slingshot is flushing on the interface between internal cylinder and the collar and on the interface between the collar and the lock body respectively, rotation this moment spoon money conversion key, driving internal cylinder rotates to internal cylinder pellet shot from a slingshot hole and organizes the position that collar pellet shot from a slingshot hole aligns mutually with adjacent next, then gently the spoon body part of spoon money conversion key to pusher, this moment, the key bit part was motionless, spoon body part is moved along the key bit part backward by chute, the spoon body that its end is pressed into collar rearward end advances in the breach, the direction of above-mentioned drive internal cylinder rotation (promptly with) screw key more in the other direction drives the position that pellet shot from a slingshot hole that the collar and internal cylinder get back to the internal cylinder and the collar together again and the pellet shot from a slingshot hole of lock body align mutually.In this process, step retaining ball is compressed in the step lug-latch hole by the collar, again under the elastic force effect of spring, enters in the adjacent next hemispherical-shaped aperture of the collar thereafter, and the user can hear the sound that the step lug-latch sends.Extract a spoon money conversion key, the change of spoon money has just been finished.If need unblank again, just must select the corresponding another one normal key of spoon money therewith for use.Repeat above-mentioned spoon money change process successively, with regard to the variable quantity spoon money identical with the pellet shot from a slingshot hole group number of the collar.Spoon money conversion key is so important, therefore should properly be preserved by the person of administering.

The effect of pellet shot from a slingshot displacement restriction plug is the distance that the restriction pellet shot from a slingshot moves outward, makes the pellet shot from a slingshot in this hole can not extrude internal cylinder fully, to prevent with master key pirate of the open lock.The effect of step lug-latch is that the collar arbitrarily rotates when preventing to insert spoon money conversion key, and is undertaken by shelves when making conversion spoon money.

The utility model compared with prior art has following advantage: (1), samely can have the alternative key of many moneys to tapered end, be mutually independently between each key, the user can change the spoon money that uses arbitrarily, repeatedly, increases maintaining secrecy and the sense of security of lock; (2), built-in secret spoon money mapping device, make and have only the people who grasps special spoon money conversion key, could change spoon money of use; (3), can prevent to unblank with master key; (4), compact conformation, highly versatile, its volume, outward appearance are similar to common lock core, can be with various dead bolts and the phase assembly of lock housing body and be applied in different occasions.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the lock-out state figure of a kind of concrete structure of the utility model;

Structural behavior figure when Fig. 2 inserts a normal key for Fig. 1 the utility model;

Structural behavior figure when Fig. 3 inserts spoon money conversion key for Fig. 1 the utility model;

Fig. 4, Fig. 5 and Fig. 6 are respectively A-A, B-B, the C-C sectional view of Fig. 2;

Fig. 7 is the structure chart of spoon money conversion key;

Fig. 8 is the D-D sectional view of Fig. 7.

Reference numeral among the above-mentioned figure is: 1-internal cylinder, the 2-collar, 3-lock body, 4-centring ring, 5-internal cylinder pellet shot from a slingshot, 6-collar pellet shot from a slingshot, the 7-hemispherical-shaped aperture, 8-spoon body advances breach, the 9-lock spring, 10-spring, 11-pellet shot from a slingshot displacement restriction plug, 12-pellet shot from a slingshot port lid, 13-step retaining ball, 14-spring, 15-step lug-latch port lid, 16-normal key, 17-spoon money conversion key, 18-spoon body part, 19-key bit part, 20-spring 21-chute.

Referring to Fig. 6, in this embodiment, the group number of offering in the collar (2) of going up equally distributed many group pellets shot from a slingshot hole at the collar (2) around (2) one weeks of the collar is 6 groups, therefore should the convertible 6 sections of normal key of lock.Referring to Fig. 5 and Fig. 4, hemispherical-shaped aperture (7) is also corresponding with spoon body propelling breach (8) to be respectively 6.Referring to Fig. 2 and Fig. 3, the key of this embodiment (16,17) is the key of monolateral tooth, also can change many ribs of use teeth key into by offering the symmetrical pellet shot from a slingshot hole of many groups and load onto pellet shot from a slingshot on internal cylinder (1) and lock body (3).The also technology that can utilize the utility model to provide structurally changes slightly and becomes the lockset that axial displacement is unblanked.Pellet shot from a slingshot displacement restriction plug (11) is 1, and pellet shot from a slingshot port lid (12) is 4.

Claims (1)

1, a kind of cylinder lock set of convertible many moneys key, have internal cylinder (1), the collar (2) and lock body (3), internal cylinder (1) slides in the collar (2), the collar (2) slides over again in the lock body (3), the collar (2) rear end is in abutting connection with the interior centring ring (4) of cannelure that has tightly to be embedded in internal cylinder (1) appearance, on internal cylinder (1), have several one-tenth one rows' the vertical pellet shot from a slingshot hole that communicates of the keyhole with internal cylinder (1) vertically, and an internal cylinder pellet shot from a slingshot (5) respectively is housed in each pellet shot from a slingshot hole, it is characterized in that:

A), in the collar (2), have around (2) one weeks of the collar and go up equally distributed many group pellets shot from a slingshot hole at the collar (2), every group of pellet shot from a slingshot hole axially offering along the collar (2), its quantity is identical with the pellet shot from a slingshot hole number of internal cylinder (1), when internal cylinder (1) is rotated, every group of pellet shot from a slingshot hole of the collar (2) all can align one by one with the pellet shot from a slingshot hole of internal cylinder (1), in each pellet shot from a slingshot hole of the collar (2) two collar pellets shot from a slingshot (6) are housed all, the total length of per two collar pellets shot from a slingshot (6) all equates with the wall thickness of the collar (2), but the length of every collar pellet shot from a slingshot (6) has nothing in common with each other in the collar (2), inside and inside from the collar (2) external surface from the collar (2) rearward end inner surface, have around (2) one weeks of the collar and go up several hemispherical-shaped aperture (7) and several spoons of bodies propelling breach (8) that equally distributed quantity equates with the pellet shot from a slingshot hole group number of the collar (2) at the collar (2), on lock body (3), have that row's quantity equates with the pellet shot from a slingshot hole number of internal cylinder (1) vertically and with axial vertical pellet shot from a slingshot hole, when the collar (2) rotates, every group of pellet shot from a slingshot hole of the collar (2) all can align one by one with the pellet shot from a slingshot hole of lock body (3), in each pellet shot from a slingshot hole of lock body (3), outside from the lining, lock spring (9) and spring (10) all are housed successively, at least one aperture, pellet shot from a slingshot hole of lock body (3) is equipped with and is pressed the pellet shot from a slingshot displacement restriction plug (11) that wraps spring (10) outer end, the pellet shot from a slingshot port lid (12) of pressing spring (10) outer end then is equipped with in remaining aperture, pellet shot from a slingshot hole, on lock body (3), also have and axial vertical step lug-latch hole, step retaining ball (13) outwards is housed successively from the lining in the hole, spring (14) and step lug-latch port lid (15), when the collar (2) rotated, step retaining ball (13) can enter in several hemispherical-shaped aperture (7) of the collar (2) successively;

B), have a few money normal key (16) and spoon money conversion key (17) that quantity equates with the pellet shot from a slingshot hole group number of the collar (2), spoon money conversion key (17) is made up of spoon body part (18), key bit part (19) and spring (20), key bit part (19) bottom cunning is inserted in spoon chute (21) that body part (18) is offered, and key bit part (19) rear end links to each other with spoon body part (18) by spring (20).

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