CN2232064Y

CN2232064Y - Double-core cross built-in lock and cross key

Info

Publication number: CN2232064Y
Application number: CN 95224952
Authority: CN
Inventors: 刘振; 马静
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-10-20
Filing date: 1995-10-20
Publication date: 1996-07-31
Anticipated expiration: 2005-10-20

Abstract

The utility model relates to a double-core cross built-in lock and a cross key. The double-core cross built-in lock is composed of a heart core, a middle core, a lock skin, fixing nuts, cylinders, cylinder springs, a retainer ring, a press cover and a drive strip, the heart core which is provided with four cylinder holes which are vertical mutually, the middle core which is provided with eight cylinder holes and the lock skin which is provided with four cylinder holes are sheathed together in turn through the cylinders and the cylinder springs, and the center of the heart core is provided with a cross lock hole. The cross key is composed of cross key teeth and a positioning mark lug boss, and the front end of the lock is provided with an anti-bore and anti-pry steel ball, a baffle plate and a shield. The utility model is used on anti-theft doors, safes, turnover valves and house doors, the lock can be opened and closed by using two keys, and the utility model has the functions and the advantages of high key size, strong anti-damage performance and strong safety performance.

Description

Twin-core cross built-in lock head and cross key

The utility model relates to a kind of twin-core cross built-in lock head and cross key, belongs to lock technology field.

The various tapered ends that use are individual layer lock core, single-row billiard at present, can unblank with a key, do not possess the function that prevents various destructions, security reliability is poor, has both made the mechanical lock that is to use on security door, safety cabinet, can not satisfy instructions for use, the time stolen generation arranged.

The purpose of this utility model: design and a kind ofly be useful in the compact conformation that uses on the very high facility of security door, safety cabinet, volume lock, door and other reliability requirement, double-layer lock core, two group of four row's pellet shot from a slingshot, with the twin-core cross built-in lock head that two cross keys can be opened, reach that size of key height, mutual opening rate are low, anti-drilling, pick-proof, anti-ly pound, anti-cutting, anti-ly saw, the purpose of high safety.

Structure design of the present utility model: twin-core cross built-in lock head is made of heart core, SMIS, lock skin, hold-down nut, steel ball, baffle plate, guard shield, pellet shot from a slingshot, pellet shot from a slingshot spring, back-up ring, gland and transmission bar; The heart cores that are processed with orthogonal four row's pellet shot from a slingshot holes of axial cross lockhole on the corresponding heart core are sleeved on the middle in-core that is processed with orthogonal two group of eight row's pellet shot from a slingshot hole through pellet shot from a slingshot and pellet shot from a slingshot spring, seal through the swallow-tail form strip of paper used for sealing outside the level of SMIS and the vertical pellet shot from a slingshot hole; With lock be processed with on the skin orthogonal four row's pellet shot from a slingshot holes corresponding with the four row's pellet shot from a slingshot through holes in addition on the SMIS, through pellet shot from a slingshot and pellet shot from a slingshot spring SMIS is sleeved on the lock intracutaneous, lock outside the pellet shot from a slingshot hole of skin and seal through the swallow-tail form strip of paper used for sealing; The b of center, pellet shot from a slingshot hole and SMIS, lock skin row center, pellet shot from a slingshot hole, lower-left and other row center, pellet shot from a slingshot hole 1/2nd pitch-rows that axially inwardly stagger have guaranteed the location of key and have prevented that the pellet shot from a slingshot mistake from making up on a row of heart core, SMIS; Heart core center has the cross lockhole, in go up location keyhole slots width greater than other keyhole slots width; Twin-core cross built-in lock head front end is provided with the employing patent No.: steel ball, baffle plate and the guard shield of anti-drilling in 90225574.6 the built-in lock safety head patented technology, pick-proof; Symmetry is milled and is become to prevent that two circles that twin-core cross built-in lock head rotates lack on the lock skin cylindrical, is processed with the high strength screw thread on the lock skin cylindrical, is furnished with hold-down nut; Card has the baffle ring of spacing heart core in SMIS in the groove of heart core inner end; The SMIS inner end is fixed with that the transmission bar passes from its oblong aperture, the gland of spacing heart core in the lock skin; The structure of heart core and SMIS inner end has guaranteed that heart core and SMIS can only be made circular motion in the lock skin and can not axial motion, has guaranteed that the cooperation of pellet shot from a slingshot is accurate; Cross key is made of cross key tooth, telltale mark boss, key delthyrium and the shank of the key, indicate that the telltale mark boss of two cross keys is positioned at the upper left side of the shank of the key, the last key positioner facewidth degree of corresponding telltale mark boss is greater than the width of other key bit, and the axial centre position axis of the axial centre position of last key positioner tooth and other three rows key bit is to 1/2nd tooth pitches that inwardly stagger.

Advantage of the present utility model, characteristics and good effect:

1, adopt two group of four row's pellet shot from a slingshot and double-layer lock core structure, make the key rate high, mutual opening rate is almost nil, has prevented that technology unlocking from committing theft;

2, adopt two cross keys to unblank, even lose one, other people also can't unblank, and have increased the safety that uses;

3, be provided with safety head, make that tapered end has anti-drilling, pick-proof, anti-ly pounds, the function of anti-cutting, anti-saw, prevented strong destruction, improved security reliability;

4, lock core adopts the coaxial package pattern, compact conformation, and volume is little, and physical dimension is installed easily by the relative national standards design, and applicability is strong;

Though 5 adopt two group of four row's pellet shot from a slingshot, double-layer lock core structure and two cross keys to increase the program of unblanking, but owing to the telltale mark boss that has adopted on location measure and the shank of the key, operation when making the open and close lock is also uncomplicated, and can quick in the dark open and close lock, realized blind (people) operation.

Description of drawings:

Fig. 1: twin-core cross built-in lock head master sectional view;

The A of Fig. 2: Fig. 1-A sectional view, among the figure: a upward, b left pellet shot from a slingshot hole, pellet shot from a slingshot, the pellet shot from a slingshot spring of below should be dotted line, conveniently be drawn as solid line for observing;

Fig. 3: cross key front view;

Fig. 4: cross key left view.

1 pellet shot from a slingshot spring among the figure, 2 pellets shot from a slingshot, 3 transmission bars, 4 glands, 5 back-up rings, 6 lock skins, 7 hold-down nuts, 8 guard shields, 9 steel balls, 10 baffle plates, 11 baffle holes, 12 heart cores, 13 SMIS, 14 swallow-tail form strip of paper used for sealings, 15 cross lockholes, 16 cross key teeth, 17 telltale mark boss, 18 key delthyriums, 19 the shank of the keys, pellet shot from a slingshot hole on the 20a row, 21b arranges pellet shot from a slingshot hole, lower-left, and 22 circles lack, and key positioner tooth on 23 is gone up the location lockhole in 24.

Most preferred embodiment of the present utility model:

Twin-core cross built-in lock head is made of heart core, SMIS, lock skin, hold-down nut, steel ball, baffle plate, guard shield, pellet shot from a slingshot, pellet shot from a slingshot spring, back-up ring, gland and transmission bar; The heart cores that are processed with orthogonal four row's pellet shot from a slingshot holes of axial cross lockhole on the corresponding heart core are sleeved on the middle in-core that is processed with orthogonal two group of eight row's pellet shot from a slingshot hole through pellet shot from a slingshot and pellet shot from a slingshot spring, seal through the swallow-tail form strip of paper used for sealing outside the level of SMIS and the vertical pellet shot from a slingshot hole; With lock be processed with on the skin orthogonal four row's pellet shot from a slingshot holes corresponding with the four row's pellet shot from a slingshot through holes in addition on the SMIS, through pellet shot from a slingshot and pellet shot from a slingshot spring SMIS is sleeved on the lock intracutaneous, lock outside the pellet shot from a slingshot hole of skin and seal through the swallow-tail form strip of paper used for sealing; Center, pellet shot from a slingshot hole 1/2nd pitch-rows that axially inwardly stagger are arranged with other in the b of center, pellet shot from a slingshot hole and SMIS, lock skin row center, pellet shot from a slingshot hole, lower-left on a row of heart core, SMIS; Heart core center has the cross lockhole, in go up location keyhole slots width greater than other keyhole slots width; Twin-core cross built-in lock head front end is provided with the employing patent No.: steel ball, baffle plate and the guard shield of anti-drilling in 90225574.6 the built-in lock safety head patented technology, pick-proof; Symmetry is milled and is become to prevent that two circles that twin-core cross built-in lock head rotates lack on the lock skin cylindrical, is processed with the high strength screw thread on the lock skin cylindrical, and available hold-down nut is installed in tapered end on security door or the safety cabinet; Card has the baffle ring of spacing heart core in SMIS in the groove of heart core inner end; The SMIS inner end is fixed with that the transmission bar passes from its oblong aperture, the gland of spacing heart core in the lock skin.The structure of heart core and SMIS inner end has guaranteed that heart core and SMIS can only be made circular motion in the lock skin and can not axial motion, has guaranteed that the cooperation of pellet shot from a slingshot is accurate; Cross key is made of cross key tooth, telltale mark boss, key delthyrium and the shank of the key, indicate that the telltale mark boss of two cross keys is positioned at the upper left side of the shank of the key, the last key positioner facewidth degree of corresponding telltale mark boss is greater than the width of other key bit, and the axial centre position axis of the axial centre position of last key positioner tooth and other three rows key bit is to 1/2nd tooth pitches that inwardly stagger.

When twin-core cross built-in lock head is in locking states:

Unblank: with the first cross key that has a telltale mark boss, make the telltale mark boss be in the position of a among Fig. 2 up, the key positioner tooth also up on this moment, key is inserted in the cross lockhole of heart core, in the heart core pellet shot from a slingshot hole four row pellet shot from a slingshot respectively with the pellet shot from a slingshot hole of SMIS band swallow-tail form strip of paper used for sealing in the combined back of four row's pellets shot from a slingshot heart core can rotate at middle in-core, make left-handed 135 degree of key the telltale mark boss be in the position of b among Fig. 2, extract key; Again with the second cross key that has two telltale mark boss, insert in the cross lockhole of the heart core position that makes the telltale mark boss be in b among Fig. 2, in the heart core pellet shot from a slingshot hole four row's pellet shot from a slingshot, SMIS is not combined with four row's pellets shot from a slingshot in row's pellet shot from a slingshot of four in the pellet shot from a slingshot hole of swallow-tail form strip of paper used for sealing and the lock skin pellet shot from a slingshot hole, make pellet shot from a slingshot in the SMIS block heart core and SMIS and heart core have been locked together, and SMIS also can rotate at the lock intracutaneous, this moment screw key, heart core can drive SMIS and rotate together and make gland drive transmission bar turning handle lockset and open, make the telltale mark boss be back to the position of b among Fig. 2 after unblanking and extract cross key, unblank to finish.

Shut: operation sequence opposite getting final product when unblanking.

In a word, first key can only make the heart core of tapered end itself open, can not open SMIS and lockset, have only when with first key the unlatching of the heart core of tapered end itself after, could open the SMIS and the lockset of tapered end with second key, second key can not be opened the heart core of tapered end, so, must be used in order with two keys, could open and close lockset, thereby improved the security reliability of lockset.

Claims

1, a kind of twin-core cross built-in lock head and cross key, twin-core cross built-in lock head is made of heart core, SMIS, lock skin, hold-down nut, steel ball, baffle plate, guard shield, pellet shot from a slingshot, pellet shot from a slingshot spring, back-up ring, gland and transmission bar, it is characterized in that:

(1), the heart cores that are processed with orthogonal four row's pellet shot from a slingshot holes of axial cross lockhole on the corresponding heart core are sleeved on the middle in-core that is processed with orthogonal two group of eight row's pellet shot from a slingshot hole through pellet shot from a slingshot and pellet shot from a slingshot spring, seal through the swallow-tail form strip of paper used for sealing outside the level of SMIS and the vertical pellet shot from a slingshot hole;

(2), lock be processed with on the skin orthogonal four row's pellet shot from a slingshot holes corresponding with the four row's pellet shot from a slingshot through holes in addition on the SMIS, through pellet shot from a slingshot and pellet shot from a slingshot spring SMIS is sleeved on the lock intracutaneous, lock outside the pellet shot from a slingshot hole of skin and seal through the swallow-tail form strip of paper used for sealing;

(3), center, pellet shot from a slingshot hole 1/2nd pitch-rows that axially inwardly stagger are arranged with other in the b of center, pellet shot from a slingshot hole and SMIS, lock skin row center, pellet shot from a slingshot hole, lower-left on a row of heart core, SMIS;

(4), heart core center has the cross lockhole, in go up location keyhole slots width greater than other keyhole slots width;

2, a kind of twin-core cross built-in lock head and cross key, cross key is made of cross key tooth, telltale mark boss, key delthyrium and the shank of the key, it is characterized in that: indicate that the telltale mark boss of two cross keys is positioned at the upper left side of the shank of the key, the last key positioner facewidth degree of corresponding telltale mark boss is greater than the width of other key bit, and the axial centre position axis of the axial centre position of last key positioner tooth and other three rows key bit is to two molecules, one tooth pitch that inwardly staggers.

3, twin-core cross built-in lock head as claimed in claim 1 and cross key, its feature also is: twin-core cross built-in lock head front end is provided with the employing patent No.: steel ball, baffle plate and the guard shield of anti-drilling in 90225574.6 the built-in lock safety head patented technology, pick-proof.

4, twin-core cross built-in lock head as claimed in claim 1 and cross key, its feature also is: symmetry is milled and is become to prevent that two circles that twin-core cross built-in lock head rotates lack on the lock skin cylindrical, is processed with the high strength screw thread on the lock skin cylindrical, is furnished with hold-down nut.

5, twin-core cross built-in lock head as claimed in claim 1 and cross key, its feature also is: card has the baffle ring of spacing heart core in SMIS in the groove of heart core inner end.

6, twin-core cross built-in lock head as claimed in claim 1 and cross key, its feature also is: the SMIS inner end is fixed with that the transmission bar passes from its oblong aperture, the gland of spacing SMIS in the lock skin.