CN2497000Y

CN2497000Y - Drawer linking lock

Info

Publication number: CN2497000Y
Application number: CN01243060U
Authority: CN
Inventors: 吴锦希
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-08-07
Filing date: 2001-08-07
Publication date: 2002-06-26
Anticipated expiration: 2011-08-07

Abstract

The utility model relates to a drawer linkage lock, and the drawer linkage lock comprises a lock cylinder and a rotation shaft on the lock cylinder; a lock casing to hold the lock cylinder; a base matched with the lock casing; a rotary part outside the base, wherein, the rotary part can also be arranged inside the lock casing and fixed to connect with the rotation shaft. An eccentric dialer fixed on the rotary part; a linkage lever driven with the eccentric dialer; the locking part fixed on the linkage lever and matched with a drawer hook. The utility model is characterized in that the lock cylinder is a cylinder, the center of the cylinder is a boss; on the boss, a locating groove is arranged; a locating groove is opened in the radial direction of the lock casing accordingly; more than two holes are opened in the axial direction of the lock cylinder; the base is composed of a boss or a round boss; more than two blind holes are opened in the axial direction of the boss or the round boss; the blind holes are positioned in corresponding positions of the holes on the lock cylinder with the same hole diameter; springs and bullet balls are arranged inside the blind holes; bullet balls are also positioned inside the lock cylinder holes. The utility model has the advantages of perfect burglarproof performance, being not easy to copy keys, re-unlocking rate being as low as 1/2944, as well as convenient operation and elegant appearance.

Description

The drawer blocking lock

(1) technical field

The utility model relates to a kind of drawer blocking lock.

(2) background technology

Existing drawer blocking lock comprises lock core, is located at the rotating shaft on the lock core, the round platform of fixedlying connected with rotating shaft, the gangbar that is located at the eccentric dead man on the round platform and is driven by eccentric dead man; This lock all adopts plug-type lock core; Its key is prepared easily, and theftproof performance is poor.

(3) summary of the invention

It is good that the purpose of this utility model provides a kind of theftproof performance, the drawer blocking lock that its key of unblanking is not easy to prepare.

In order to achieve the above object, a kind of technical scheme of the present utility model is, comprises a lock core, fixingly on lock core is provided with rotating shaft; One can ccontaining lock core lock housing; One base that can match with lock housing bottom is provided with the hole that rotating shaft can be passed in the central authorities of base, on base, be positioned at the hole the both sides symmetry be provided with positive stop lug boss; One is located at the outer tumbler of base, is provided with a block that matches with positive stop lug boss on tumbler, and this tumbler is fixedlyed connected with rotating shaft, and that fixes on tumbler is provided with eccentric dead man; One gangbar that drives by eccentric dead man, the fixing locking piece that matches with the drawer hook that is provided with on gangbar; It is characterized in that: lock core is a cylinder, central authorities at lock core are provided with a boss, have a locating slot on boss, accordingly radially have a locating slot in lock housing, lock core axially have a hole more than two, they be distributed on the circumference and symmetry be positioned at boss around; Also be provided with a boss on base, these boss central authorities axially have a hole, and this hole communicates with hole on the base, the axial blind hole that also has more than two at boss, they are distributed on the circumference, and this blind hole is corresponding with the hole site on the lock core, and pore size is identical; Be provided with spring and hoodle in blind hole, when spring was not squeezed, hoodle exceeded the surface of boss, and when spring was squeezed, hoodle can fall in the blind hole; Be provided with hoodle in the axial hole of lock core, the height of hoodle is more than or equal to the length in hole.

Further being improved to of the technical program, on lock core, be positioned at locating slot the both sides symmetry be provided with 6 holes, on the boss of base, also be provided with 6 blind holes accordingly.On tumbler, be provided with two blind holes, in blind hole, be provided with spring and hoodle, be convenient to the rotation of tumbler.

Another kind of technical scheme of the present utility model is, comprises a lock core, fixingly on lock core is provided with rotating shaft; One can ccontaining lock core lock housing, be provided with a chute in the bottom of lock housing; One base that can bottom lock housing, match; One is located at the tumbler in the lock housing, and this tumbler and rotating shaft are fixed, and that fixes on tumbler is provided with eccentric dead man; One gangbar that drives by eccentric dead man, its end inserts in the chute, the fixing locking piece that matches with the drawer hook that is provided with on gangbar; It is characterized in that: lock core is a cylinder, central authorities at lock core are provided with a boss, have a locating slot on boss, accordingly radially have a locating slot in lock housing, lock core axially have a hole more than two, they be distributed on the circumference and symmetry be positioned at boss around; One be sleeved in the lock core rotating shaft and with the round platform of lock housing relative positioning, round platform axially have a blind hole more than two, they are distributed on the circumference, the position in the hole on this blind hole and the lock core is corresponding, pore size is identical; Be provided with spring and hoodle in blind hole, when spring was not squeezed, hoodle exceeded the surface of round platform, and when spring was squeezed, hoodle can fall in the blind hole; Be provided with hoodle in the axial hole of lock core, the height of hoodle is more than or equal to the length in hole; Above-mentioned tumbler is located at the back of round platform.

Further being improved to of the technical program, on lock core, be positioned at locating slot the both sides symmetry be provided with 6 holes, on the round platform of base, also be provided with 6 blind holes accordingly.Be provided with jump ring between round platform and tumbler, this jump ring makes round platform and lock core axial location.

The utility model is compared with existing technology, has following advantage:

1, theftproof performance is good, and its key of unblanking is not easy preparation, and the reopening rate only is 1/2944;

2, easy to operate, good looking appearance.

(4) description of drawings

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is the upward view of Fig. 1;

Fig. 3 is the B-B sectional view of Fig. 1;

Fig. 4 is the A-A sectional view of Fig. 1;

Fig. 5 is the structural representation of the utility model embodiment two;

Fig. 6 is the D-D sectional view of Fig. 5;

Fig. 7 is the E-E sectional view of Fig. 5;

Fig. 8 is the user mode structural representation of embodiment one;

Fig. 9 is the user mode structural representation of embodiment two.

(5) concrete embodiment

Below in conjunction with drawings and Examples the utility model is done further detailed description:

Embodiment one

Shown in Fig. 1,2,3,4,8, comprise a lock core 1 and lock housing 2 that can ccontaining lock core.The fixing rotating shaft 1a that is provided with on lock core 1, lock core 1 is a cylinder, central authorities at lock core 1 are provided with a boss 1b, on boss 1b, have a locating slot 1c, accordingly radially have a locating slot 2a in lock housing 2, lock core 1 axially have six hole 1d, they be distributed in symmetrically boss locating slot 1c both sides and on a circumference.One base 3 that can match with lock housing 2 is provided with the hole that rotating shaft can be passed in the central authorities of base 3, on base 3, be positioned at the hole the both sides symmetry be provided with positive stop lug boss 3a; During use, this base is installed on the drawer cabinet.On base 3, also be provided with a boss 3b, boss 3b central authorities axially have a hole, this hole communicates with hole on the base 3, axially also have six blind hole 3c at boss 3b, they are distributed on the circumference, and this blind hole 3c is corresponding with the 1d position, hole on the lock core, and pore size is identical.Be provided with hoodle 8 in the axial hole 1d of lock core, the height of hoodle 8 is more than or equal to the length of hole 1d.Be provided with spring 7 and hoodle 6 in blind hole 3c, when spring 7 was not squeezed, hoodle 6 exceeded the surface of boss 3b, and can stretch in the hole 1d of lock core, was in the state of shutting this moment; When spring was squeezed, hoodle 7 can fall in the blind hole 3c, was in unlocking condition this moment; Under the effect of spring 7, when key Rotate 180 °, can automatically the key that inserts be ejected.One is located at the outer tumbler 4 of base 3, is provided with a block 4a who matches with positive stop lug boss 3a on tumbler 4, and this tumbler 4 is fixedlyed connected with rotating shaft 1a by pin 5, and that fixes on tumbler 4 is provided with eccentric dead man 4b; On tumbler 4, be provided with two blind hole 4c, in blind hole 4c, be provided with spring 9 and hoodle 10, be convenient to tumbler 4 and rotate relative to base 3.One gangbar 14 by eccentric dead man 4b drive, the fixing locking piece that matches with the drawer hook that is provided with on gangbar 14, fixingly on gangbar 14 be provided with two transverse bar 14a, eccentric dead man 4b places between two cross bar 14a, and when lock core 1 rotated, its rotating shaft 1a also rotated, eccentric dead man 4b rotates up and down, thereby gangbar 14 also moves up and down, and locking piece also moves up and down, thereby reaches the purpose of unblanking and shutting.

Embodiment two

Shown in Fig. 5,6,7,9, comprise the lock housing 2 that a lock core 1 and can ccontaining lock core.The fixing rotating shaft 1a that is provided with on lock core 1; Lock core 1 is a cylinder, central authorities at lock core 1 are provided with a boss 1b, have a locating slot 1c on boss 1b, accordingly radially have a locating slot 2a in lock housing 2, axially have six hole 1d, both sides that are distributed in locating slot 1c of their symmetries and on a circumference at lock core.One be sleeved on the lock core rotating shaft 1a and with the round platform 12 of lock housing 2 relative positionings, round platform 12 axially have six blind hole 12a, they are distributed on the circumference, this blind hole 12a is corresponding with the hole 1d on the lock core, pore size is identical.Be provided with hoodle 8 in the axial hole 1d of lock core, the height of hoodle 8 is more than or equal to the length of hole 1d.Be provided with spring 6 and hoodle 7 in blind hole 12a, when spring 6 was not squeezed, hoodle 7 exceeded the surface of round platform 12 and stretches in the hole 1d of lock core, was in the state of shutting this moment; When spring 6 was squeezed, hoodle 7 can fall in the blind hole 12a, was in unlocking condition this moment; Under the effect of spring 7, when key Rotate 180 °, can automatically the key that inserts be ejected.Be positioned at round platform 12 places and be provided with jump ring 13 in lock housing 2, this jump ring 13 makes round platform 12 and lock core 1 axial location.Be provided with a chute in the bottom of lock housing 2, be provided with associated base 3 in lock housing 2 bottoms; During use, this base is installed on the drawer cabinet.One is located at the tumbler 11 in the lock housing 2, and it is located at the back of round platform 12; This tumbler 12 is fixedlyed connected with rotating shaft 1a, fixingly on tumbler 11 is provided with eccentric dead man 11a; One gangbar 14 that drives by eccentric dead man 11a, its end inserts in the chute, gangbar 14 should end transverse holes 14b, eccentric dead man 11a is positioned at transverse holes 14b, the fixing locking piece 15 that matches with the drawer hook that is provided with on gangbar 14; When lock core 1 rotated, its rotating shaft 1a also rotated, and eccentric dead man 11a rotates up and down, thereby gangbar 14 also moves up and down, and locking piece 15 also moves up and down, thereby reaches the purpose of unblanking and shutting.

Claims

1, a kind of drawer blocking lock comprises a lock core, fixingly on lock core is provided with rotating shaft; One can ccontaining lock core lock housing; One base that can match with lock housing bottom is provided with the hole that rotating shaft can be passed in the central authorities of base, on base, be positioned at the hole the both sides symmetry be provided with positive stop lug boss; One is located at the outer tumbler of base, is provided with a block that matches with positive stop lug boss on tumbler, and this tumbler is fixedlyed connected with rotating shaft, and that fixes on tumbler is provided with eccentric dead man; One gangbar that drives by eccentric dead man, the fixing locking piece that matches with the drawer hook that is provided with on gangbar; It is characterized in that: lock core (1) is a cylinder, central authorities at lock core (1) are provided with a boss (1b), on boss (1b), have a locating slot (1c), radially have a locating slot (2a) in lock housing (2) accordingly, lock core (1) axially have a hole (1d) more than two, they be distributed on the circumference and symmetry be positioned at boss (1b) around; On base (3), also be provided with a boss (3b), this boss (3b) central authorities axially have a hole, this hole communicates with hole on the base, the axial blind hole (3c) that also has more than two at boss (3b), they are distributed on the circumference, this blind hole (3c) is corresponding with the position, hole (1d) on the lock core, and pore size is identical; Be provided with spring (6) and hoodle (7) in blind hole (3c), when spring (6) when not being squeezed, hoodle (7) exceeds the surface of boss (3b), and when spring (6) when being squeezed, hoodle (7) can fall in the blind hole (3c); Be provided with hoodle (8) in the axial hole of lock core (1), the height of hoodle (8) is more than or equal to the length of hole (1d).

2, drawer blocking lock according to claim 1 is characterized in that: on lock core (1), be positioned at locating slot (1c) the both sides symmetry be provided with 6 holes (1d), on the boss (3b) of base, also be provided with 6 blind holes (3c) accordingly.

3, drawer blocking lock according to claim 1 is characterized in that: be provided with two blind holes (4c) on tumbler (4), be provided with spring (9) and hoodle (10) in blind hole (4c), be convenient to the rotation of tumbler (4).

4, a kind of drawer blocking lock comprises a lock core, fixingly on lock core is provided with rotating shaft; One can ccontaining lock core lock housing, be provided with a chute in the bottom of lock housing; One base that can bottom lock housing, match; One is located at the tumbler in the shell, and this tumbler is fixedlyed connected with rotating shaft, and that fixes on tumbler is provided with eccentric dead man; One gangbar that drives by eccentric dead man, its end inserts in the chute, the fixing locking piece that matches with the drawer hook that is provided with on gangbar; It is characterized in that: lock core (1) is a cylinder, central authorities at lock core (1) are provided with a boss (1b), on boss (1b), have a locating slot (1c), radially have a locating slot (2a) in lock housing (2) accordingly, lock core (1) axially have a hole (1d) more than two, they be distributed on the circumference and symmetry be positioned at boss (1b) around; One be sleeved in the lock core rotating shaft (1a) and with the round platform (12) of lock housing (2) relative positioning, axially have a blind hole (12a) more than two at round platform (12), they are distributed on the circumference, and the position in the hole (1d) on this blind hole (12a) and the lock core is corresponding, and pore size is identical; Be provided with spring (6) and hoodle (7) in blind hole (1 2a), when spring (6) when not being squeezed, hoodle (7) exceeds the surface of round platform, and when spring (6) when being squeezed, hoodle (7) can fall in the blind hole (12a); Be provided with hoodle (8) in the axial hole (1d) of lock core (1), the height of hoodle (8) is more than or equal to the length of hole (1d); Above-mentioned tumbler (11) is located at the back of round platform.

5, drawer blocking lock according to claim 4 is characterized in that: on lock core (1), be positioned at locating slot (1c) the both sides symmetry be provided with 6 holes (1d), also be provided with 6 blind holes (12a) on the round platform (12) accordingly.

6, drawer blocking lock according to claim 4 is characterized in that: be provided with jump ring (13) between round platform (12) and tumbler (11), this jump ring (13) makes round platform and lock core axial location.