CN2642941Y

CN2642941Y - Hook type lock pin

Info

Publication number: CN2642941Y
Application number: CN 03237878
Authority: CN
Inventors: 曾志添
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-09-28
Filing date: 2003-09-28
Publication date: 2004-09-22
Anticipated expiration: 2013-09-28

Abstract

A hook type lock core comprises a lock shell 1 and a square tongue component, wherein, the square tongue component comprises a square tongue base board 2, a square tongue 3, a poking block 4 and a poking block torsion spring 5. The square tongue base board 2 is assembled on the upper part of a lock shell 1, the square tongue 3 is mounted on the top of the square tongue base board 2, a guiding slot 6 on the square tongue base board 2 is locked on the guiding pole of the lock shell 1, a square hole 8 is mounted in a center of the poking block 4, the poking block 4 is connected with one end of the poking block torsion spring 5, the other end of the poking block torsion spring 5 is fixed on the lock shell 1, a transmission pole 9 is mounted on a poking block 5 and extends into a blocking slot 10, which is at a tail part of the square tongue base board 2, a tongue hook 11 is also mounted on the square tongue 3 and is positioned in middle of the square tongue 3 through a shaft bolt 15, a protruding edge 12 at a tail part of the tongue hook 11 is combined with an inner side of a side board, and both ends of the tongue board torsion spring 14 are connected with the bottom inner sides of the two tongue hooks 11. The hook type lock core has a good anti-theft performance, a simple transmission structure, an easy installation and a convenient application.

Description

The hook lock core

1, technical field:

The utility model relates to the hook lock core.

2, background technology:

The present employed side's lock core of door lock, its side's tongue assembly generally is not with the tongue hook, theftproof performance is perfect inadequately, use the square tongue assembly of being with the tongue hook and have on other class door lock, it often uses the above transmission mechanism of secondary, because its drive mechanism complexity causes part more, install cumbersomely, cost is higher.In addition, the oblique tongue assembly on the square lock core, structure is also comparatively complicated, and tiltedly the tongue direction is immutable, comparatively bothers when causing door lock is installed.

3, summary of the invention:

The purpose of this utility model provides the hook lock core, and it passes through to increase the tongue hook at square tongue assembly, and drives the tongue hook by the one-level transmission mechanism, and the theftproof performance of the side's of making lock core is more perfect, and is simultaneously simple in structure, installs easily, and is easy to use.

The utility model is achieved by the following technical solution: it comprises lock housing and square tongue assembly, the wherein square tongue assembly side of comprising tongue base plate, side's tongue, shifting block and shifting block torsion spring, side's tongue base plate is installed in the top of lock housing, the top of the side's tongue side of being installed in tongue base plate, guide groove on side's tongue base plate is stuck on the guide pillar of lock housing, the middle part of shifting block is provided with square hole, shifting block is connected with an end of shifting block torsion spring, the other end of shifting block torsion spring is fixed on the lock housing, it is characterized in that shifting block is provided with drive link, in the draw-in groove of the drive link side of putting in tongue base plate afterbody, also be provided with the tongue hook on side's tongue, the tongue hook is by the centre of the pivot pin side of being installed in tongue, and tongue hook tail flange cooperates with side panel is inboard, and the two ends of hyoplastron torsion spring connect two tongue hook bottom inside.

Above-mentioned described oblique tongue assembly comprises oblique tongue, oblique tongue base plate, oblique tongue spring, latch bracket, moving runner and guide pillar, tiltedly the tongue base plate is installed in the lower left of lock housing, the guide pillar top is passed oblique tongue base plate and is installed in the bottom of oblique tongue, tiltedly the tongue base plate is pressed on the base plate that protrudes at the guide pillar middle part, tiltedly the tongue spring housing is on guide pillar, latch bracket is installed in the afterbody of guide pillar, inboard and the oblique tongue spring afterbody of latch bracket joins, tiltedly tongue spring top is pressed in the bottom of base plate, moving runner is installed in the lower right of lock housing, and the moving runner lower end flange is stuck in the hook of oblique tongue base plate afterbody, the middle part mounting knob drive link of moving runner, be equipped with on the moving runner reduction torsion spring is housed

Be provided with oblique tongue drive block between above-mentioned described side's tongue assembly and the oblique tongue assembly, tiltedly tongue drive block middle part is installed on the lock housing, and tiltedly the head of tongue drive block is pressed in the side of the flange of moving runner upper end, and the afterbody of oblique tongue drive block cooperates with drive link.

The utility model compared with prior art has following advantage: 1) it improves its theftproof performance by increasing the tongue hook at square tongue assembly; 2) the tongue hook drives by the one-level transmission mechanism in square tongue assembly, and drive mechanism is simple, and number of parts is few, installs easily, and it is comparatively convenient to use; 3) be provided with oblique tongue drive block between square tongue assembly and the oblique tongue assembly, the handle that can reverse is released square tongue and tongue hook, and is easy to use.

4, description of drawings:

Below in conjunction with accompanying drawing the utility model is done detailed explanation:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation after the utility model side's tongue is unblanked.

5, the specific embodiment:

As Fig. 1, shown in Figure 2, the utility model comprises lock housing 1, side's tongue assembly and oblique tongue assembly, the wherein square tongue assembly side of comprising tongue base plate 2, side's tongue 3, shifting block 4 and shifting block torsion spring 5, side's tongue base plate 2 is installed in the top of lock housing 1, the top of side's tongue 3 side's of being installed in tongue base plates 2, guide groove 6 on side's tongue base plate 2 is stuck on the guide pillar 7 of lock housing 1, the middle part of shifting block 4 is provided with square hole 8, shifting block 4 is connected with an end of shifting block torsion spring 5, the other end of shifting block torsion spring 5 is fixed on the lock housing 1, shifting block 5 is provided with drive link 9, in the draw-in groove 10 of drive link 9 side's of putting in tongue base plate 2 afterbodys, also be provided with tongue hook 11 on the square tongue 3, tongue hook 11 is by the centre of pivot pin 15 side's of being installed in tongues 3, tongue hook 11 tail flange 12 and 13 inboard cooperations of side panel, the two ends of hyoplastron torsion spring 14 connect two tongue hooks, 11 bottom inside; Below square tongue assembly, also be provided with oblique tongue assembly and oblique tongue drive block 28, wherein tiltedly the tongue assembly comprises oblique tongue 16, oblique tongue base plate 17, oblique tongue spring 18, latch bracket 19, moving runner 20 and guide pillar 21, tiltedly tongue base plate 17 is installed in the lower left of lock housing 1, guide pillar 21 tops are passed oblique tongue base plate 17 and are installed in the bottom of oblique tongue 16, tiltedly tongue base plate 17 is pressed on the base plate 25 that protrudes at guide pillar 21 middle parts, tiltedly tongue spring 18 is enclosed within on the guide pillar 21, latch bracket 19 is installed in the afterbody of guide pillar 21, latch bracket 19 inboard and oblique tongue spring 18 afterbodys join, tiltedly tongue spring 18 tops are pressed in the bottom of base plate 25, moving runner 20 is installed in the lower right of lock housing 1, moving runner 20 lower end flange 26 are stuck in the hook 22 of oblique tongue base plate 17 afterbodys, the middle part mounting knob drive link 23 of moving runner 20, be equipped with on the moving runner 20 reduction torsion spring 24 is housed, be provided with oblique tongue drive block 28 between side's tongue assembly and the oblique tongue assembly, tiltedly tongue drive block 28 middle parts are installed on the lock housing 1, tiltedly the head of tongue drive block 28 is pressed in the side of the flange 27 of moving runner 20 upper ends, and tiltedly the afterbody of tongue drive block 28 cooperates with drive link 9.

Operating principle of the present utility model is as follows: when unblanking, in tapered end, insert key, driving shifting block 4 by the tapered end driver blade that is embedded into square hole 8 rotates counterclockwise, drive link 9 on the shifting block 4 is followed rotation, the side's of drive tongue base plate 2 and square tongue 3 move right, tongue hook 11 tail flange 12 and 13 inboard disengagings of side panel, a pair of tongue hook 11 is under the pressure that is subjected to hyoplastron torsion spring 14, tongue hook 11 tops in draw close, and it is mobile backward with square tongue 3, finally enter 1 li of lock housing, rotate counterclockwise handle drive link 23, handle drive link 23 drives moving runner 20 and rotates together, moving runner 20 lower end flange 26 are pressed on the hook 22 of oblique tongue base plate 17 afterbodys oblique tongue base plate 17 drop-down, tiltedly tongue base plate 17 overcomes oblique tongue spring 18 effects guide pillar 21 is pressed down, and guide pillar 21 is together with in the oblique tongue 16 retraction lock housings 1, thereby reaches the purpose of unblanking.Unclamp handle drive link 23, at reduction torsion spring 24 with under tiltedly tongue spring 18 acts on, tiltedly tongue 16 stretches out lock housing 1, and handle drive link 23 resets.

When locking a door, can be by in tapered end, inserting key, overcoming shifting block torsion spring 5 effect drive shifting blocks 4 by the tapered end driver blade that is embedded into square hole 8 clockwise rotates, drive link 9 on the shifting block 4 is followed rotation, and the side's of drive tongue base plate 2 and square tongue 3 are moved to the left, and fits together with side panel 13 inboards up to tongue hook 11 tail flange 12, a pair of tongue hook 11 overcomes the effect of hyoplastron torsion spring 14, outwards stretch at tongue hook 11 tops, and be moved to the left with square tongue 3, finally stretches out lock housing 1.The another kind of method that square tongue 3 is stretched out lock housing 1 is: clockwise rotate handle drive link 23, handle drive link 23 promotes drive link 9 by oblique tongue drive block 28 and clockwise rotates, and drive link 9 drive side's tongue base plates 2 and square tongue 3 are moved to the left, and finally stretch out lock housing 1.

Claims

1, the hook lock core, comprise lock housing (1), side's tongue assembly and oblique tongue assembly, the wherein square tongue assembly side's of comprising tongue base plate (2), side's tongue (3), shifting block (4) and shifting block torsion spring (5), side's tongue base plate (2) is installed in the top of lock housing (1), the top of side's tongue (3) side's of being installed in tongue base plate (2), guide groove (6) on side's tongue base plate (2) is stuck on the guide pillar (7) of lock housing (1), the middle part of shifting block (4) is provided with square hole (8), shifting block (4) is connected with an end of shifting block torsion spring (5), the other end of shifting block torsion spring (5) is fixed on the lock housing (1), it is characterized in that shifting block (5) is provided with drive link (9), in the draw-in groove (10) of drive link (9) side's of putting in tongue base plate (2) afterbody, also be provided with tongue hook (11) on side's tongue (3), tongue hook (11) is by the centre of pivot pin (15) side's of being installed in tongue (3), tongue hook (11) tail flange (12) cooperates with side panel (13) is inboard, and the two ends of hyoplastron torsion spring (14) connect two tongue hook (11) bottom inside.

2, hook lock core according to claim 1, it is characterized in that oblique tongue assembly comprises oblique tongue (16), oblique tongue base plate (17), oblique tongue spring (18), latch bracket (19), moving runner (20) and guide pillar (21), tiltedly tongue base plate (17) is installed in the lower left of lock housing (1), guide pillar (21) top is passed oblique tongue base plate (17) and is installed in the bottom of oblique tongue (16), tiltedly tongue base plate (17) is pressed on the base plate (25) that protrudes at guide pillar (21) middle part, tiltedly tongue spring (18) is enclosed within on the guide pillar (21), latch bracket (19) is installed in the afterbody of guide pillar (21), inboard and oblique tongue spring (18) afterbody of latch bracket (19) joins, tiltedly tongue spring (18) top is pressed in the bottom of base plate (25), moving runner (20) is installed in the lower right of lock housing (1), moving runner (20) lower end flange (26) is stuck in the hook (22) of oblique tongue base plate (17) afterbody, the middle part mounting knob drive link (23) of moving runner (20) is equipped with on the moving runner (20) reduction torsion spring (24) is housed.

3, hook lock core according to claim 2, be provided with oblique tongue drive block (28) between the side's of it is characterized in that tongue assembly and the oblique tongue assembly, tiltedly tongue drive block (28) middle part is installed on the lock housing (1), tiltedly the head of tongue drive block (28) is pressed in the side of the flange (27) of moving runner (20) upper end, and tiltedly the afterbody of tongue drive block (28) cooperates with drive link (9).