CN201129077Y - Lock with latch hook - Google Patents

Abstract

A lock with a latch hook includes a lock core, a bolt, a lock bin; wherein, the center of a lock body is provided with a central shaft; the inner end of the central shaft is connected with an auxiliary central shaft; the outer part of the central shaft is sleeved with a hollow tube; the outer part of the auxiliary central shaft is sleeved with a hollow tube; the hollow tubes are provided with a lock core, a spring and a cruciform joint; a lock bin box is sleeved in the connection part of the two hollow tubes; the left and the right sides of the lock bin box are respectively fixed with gears; the inside of the lock bin box is provided with a central mobile bin the center of which is provided with a mobile groove; the inside of the mobile groove is provided with a central gear sleeved on the central shaft; the inside of the bolt is provided with an upper latch hook and a lower latch hook, which are V-shaped, and the openings of the latch hooks are opposite with each other. The lock has the advantage of good safety performance, so the lock is better in safety and the reliability of the lock is greatly improved. The lock is simple in structure and convenient in installing and manufacturing, therefore, the lock is not only suitable for single-leaf and double-leaf wooden doors but also suitable for single-leaf and double-leaf steel doors.

Description

The lock of hook with lock

Technical field

The utility model relates to the safe-guard door lock technology, is a kind of lock of hook with lock specifically.

Background technology

A lot, the various lock of kind of present lock, but the lock at suitable luxurious double door, sliding door, iron gate.With latch hook on the lock subband, can be safer firm to locking son, reliable insurance; Use is also more.

The utility model content

Technical problem to be solved in the utility model provides a kind of lock of latch hook up and down that has, and the principle of utilizing the engaged tooth bar of gear to move is ensconced latch hook in the dead bolt, dead bolt enters locked position, opens latch hook up and down then, makes lock form the chain hook strips, safer firm, reliable insurance; Use is also more.

Technical problem of the present utility model is achieved through the following technical solutions:

A kind of lock of hook with lock comprises lock core, dead bolt, locked position part:

A central axis is established at the lock body center, an inner center countershaft, outer cover one hollow section of central axis, outer cover one hollow section of center countershaft of connecting of central axis, lock core, spring and a cruciform joint are housed in the hollow section, and central axis is fixedlyed connected by cruciform joint with the center countershaft; The connecting portion suit one locked position box of described two hollow sections, there is gear the left and right sides of locked position box fixed teeth respectively, be respectively equipped with tooth bar on the gear, described two gears are connected with the inner termination of two hollow sections respectively, and the outside of two hollow sections is respectively installed with fixed cover;

The storehouse is moved at the center of establishing in the described locked position box, and the center is moved the middle part in storehouse and opened a shifting chute, establishes a central gear in the shifting chute, and central gear is sleeved on the central axis; A tooth bar is adorned in the upper end of described shifting chute, and the front end of shifting chute is established a dead bolt;

Latch hook up and down is housed in the described dead bolt, be provided with opening with the latch hook corresponding section on the last lower wall of dead bolt, latch hook is a V-shape, upper and lower opening is relative, the one end is fixed on the sidewall of dead bolt, the movable opening that stretches out lower wall on the dead bolt of the other end is equipped with return spring respectively on the fixed end of latch hook, also adorn a central rack frame between the latch hook up and down in the described dead bolt;

Described central axis outer end is connected with Internal handle, and countershaft outer end, center is connected with outer handle, in the outer handle lock core is housed.

Lock collar is equipped with in the outer both sides of described locked position, and lock collar is fixed on the fixed cover.

The utility model pick-proof performance is good, and it makes lock core and central axis separately, has played effective antitheft effect, and is safer, has increased the reliability of lock greatly.Even if lock core is destroyed, also can't open lock, key turns difficulty or phenomenon of rupture can not take place.Simple in structure, install easily manufacturedly, not only be adapted to wooden single door, double door, but also be applicable to single fan or biparting steel door.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model lateral view.

Fig. 3 is the A-A sectional view of Fig. 2.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further elaborated.

A kind of lock of hook with lock, comprise lock core, dead bolt, locked position part, a central axis 12 is established at the lock body center, the central axis 12 inner center countershafts 14 that connect, outer cover one hollow section 16 of central axis 12, outer cover one hollow section 17 of center countershaft 14, hollow section is equipped with lock core 7, spring 8 and a cruciform joint 15 for 17 li, and central axis 12 is fixedlyed connected by cruciform joint 15 with center countershaft 14. Hollow section 16,17 connecting portion suit one locked position box 21, there are gear 2 and gear 4 in the left and right sides of locked position box 21 fixed teeth respectively, be respectively equipped with tooth bar 1 and tooth bar 3 on the gear 2 and 4, described gear 2 is connected with the inner termination of hollow section 16, described gear 4 is connected with the inner termination of hollow section 17, hollow section 16,17 outside is respectively installed with fixed cover 20, fixed cover 20 is used for fixing the hollow section 16 of rotation, 17, hollow section 16,17 1 ends extend into 21 li in locked position box, there is a center to move storehouse 9 in the locked position box 21, the center is moved the middle part in storehouse 9 and is opened a shifting chute 26, establishes a central gear 5 in the shifting chute 26, and central gear 5 is sleeved on the central axis 12; A tooth bar 6 is adorned in the upper end of described shifting chute 26, and the front end of shifting chute 26 is established a dead bolt 25.Latch hook 23,24 up and down is housed in the described dead bolt 25, be provided with opening with latch hook 23,24 corresponding sections on the last lower wall of dead bolt 25, latch hook 23,24 is a V-shape, upper and lower opening is relative, the one end is fixed on the sidewall of dead bolt 25, the movable opening that stretches out lower wall on the dead bolt of the other end is equipped with return spring 28 respectively on the fixed end of latch hook 23,24, also adorns a central rack frame 29 between the latch hook up and down in the described dead bolt 25.Described central axis 12 outer ends are connected with Internal handle 10.1, and countershaft 14 outer ends in center are connected with outer handle 10.2, and lock core 7 is contained in the outer handle 10.2.Lock collar 11 is equipped with in described locked position 21 outer both sides, and lock collar 11 is fixed on the fixed cover 20, and there is the spiral shell button fixed cover 20 outsides, and lock collar 11 usefulness screw threads are regulated degree of tightness, and the locking of hook with lock is fixed on the door.Lock core 7 links the center countershaft, the cruciform joint 15 between central axis 12 and center countershaft 14, and when not pinning, center countershaft 14 is upspring by spring 8, and center countershaft 14 separates with central axis 12, pins just can link to lead to.

When operating out of doors by reaching when closing, be rotated counterclockwise with outer handle 10.2, make the gear rotation, drive tooth bar 3 Mobility Centers and move storehouse 9, dead bolt 25 extend into dead bolt storehouse 27, again key is inserted lock core 7, pin lock core 7 with key, by cruciform joint 15 butt joint sub-center axle 14 and central axiss 12.Key rotates counterclockwise, and central gear 5 drives middle rack 6 and stretches in the dead bolt storehouse, and ejection latch hook 23,24 opens up and down.Extract key, finish the action of closing the door.When closing out, insert lock core 7 with key earlier, pin lock core 7 with key, the key that turns clockwise rotates the central gear 5 of central axis, just drives central rack 6 and withdraws from dead bolt 25.Latch hook has been got back in the dead bolt 25 under the effect of return spring 28.Clockwise rotate with outer handle 10.2, the storehouse is moved at the center again, moves under the effect of gear 4 interlock tooth bars 3, and the center is moved the storehouse and withdrawed from dead bolt storehouse 27, extracts key, and the action of opening the door is finished.Lock core 7 links the center countershaft, the cruciform joint 15 between central axis 12 and center countershaft 14, and when not pinning, center countershaft 14 is upspring by spring 8, and center countershaft 14 separates with central axis 12, pins just can link to lead to.

When at in-house operation by reaching when closing, Internal handle 10.1 turns clockwise, and makes gear 2 drive tooth bars 1 center of turning to and moves storehouse 9, dead bolt 25 extend into dead bolt storehouse 27.With the handle central gear that turns clockwise, drive central rack 6 and stretch in the dead bolt 25 again, ejection latch hook 23,24 opens up and down, and the action of locking a door is finished.When closing out, be rotated counterclockwise with handle 10.1 earlier, central gear 5 drives central rack 6 rotations, withdraws from dead bolt 25.Latch hook is under the effect of return spring 28, and latch hook has been got back in the dead bolt 25.When being rotated counterclockwise with Internal handle 10.1, gear 2 interlock tooth bars 1 move again, and make the center move storehouse 9 and withdraw from dead bolt storehouse 27, and the action of opening the door is finished.

Claims (3)

1, a kind of lock of hook with lock comprises lock core, dead bolt, locked position part, it is characterized in that:

A central axis (12) is established at the lock body center, the inner center countershaft (14) that connects of central axis (12), outer cover one hollow section (16) of central axis (12), outer cover one hollow section (17) of center countershaft (14), lock core (7), spring (8) and a cruciform joint (15) are equipped with in hollow section (17) lining, and central axis (12) is fixedlyed connected by cruciform joint (15) with center countershaft (14); The connecting portion suit one locked position box (21) of described hollow section (16), (17), there are gear (2), (4) in the left and right sides of locked position box (21) fixed teeth respectively, be respectively equipped with tooth bar (1), (3) on gear (2) and (4), described gear (2) is connected with the inner termination of hollow section (16), and described gear (4) is connected with the inner termination of hollow section (17); The outside of described hollow section (16), (17) is respectively installed with fixed cover (20);

Storehouse (9) is moved at the center of establishing in the described locked position box (21), and the center is moved the middle part in storehouse (9) and opened a shifting chute (26), establishes a central gear (5) in the shifting chute (26), and central gear (5) is sleeved on the central axis (12); A tooth bar (6) is adorned in the upper end of described shifting chute (26), and the front end of shifting chute (26) is established a dead bolt (25);

Latch hook (23), (24) up and down are housed in the described dead bolt (25), be provided with opening with latch hook (23), (24) corresponding section on the last lower wall of dead bolt (25), latch hook (23), (24) are V-shape, upper and lower opening is relative, the one end is fixed on the sidewall of dead bolt (25), the movable opening that stretches out lower wall on the dead bolt of the other end is equipped with return spring (28) respectively on the fixed end of latch hook (23), (24), also adorn a central rack frame (29) between the latch hook up and down in the described dead bolt (25).

2, the lock of hook with lock according to claim 1 is characterized in that described central axis (12) outer end is connected with Internal handle (10.1), and center countershaft (14) outer end is connected with outer handle (10.2), and described lock core (7) is contained in the outer handle (10.2).

3, the lock of hook with lock according to claim 1 is characterized in that described locked position (21) both sides respectively adorn a lock collar (11), and lock collar (11) is separately fixed on the fixed cover (20).

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