CN2240574Y - Door lock - Google Patents

Abstract

The utility model relates to a door lock. The utility model is characterized in that a lock rod is fixed in a door lock casing and the lock rod protrudes a door lock rear end to drive advance and retreat. The door lock face-plate is equipped with a handle or knob connected with the lock rod. The lock rod is additionally equipped with a locking component and a countermeasure-proof component, and an exposed type door lock is installed on an outward open component. The utility model has function that a switch can be controlled inside the door, but can not be opened outside the door. The locking component can lock the lock rod in locking status. The outward open component makes people able to draw back the dead bolt outside the door to open the door, avoiding situations that doors are accidentally shut at the moment of going off and people are outside the locked doors.

Description

Door lock

The utility model relates to a kind of improved door lock, refers to the door lock that do not open in a kind of outside, the inside need not be locked especially.

At present, the public door lock of people has exposed door lock 10 (figure A, B) and flush type door lock 20 (Fig. 2), and two kinds of door locks all have lock bolt 30 and dead bolt 40,50; Its lock bolt 30 is to be inserted in core 60 with key, locks or unblanks through spinning movement control; And dead bolt 40,50 is drawn by a bolt list control pull bar 70 and the inside and outside two control of door handles 80 respectively and is backed out lock; This door lock is often cracked by burglar's insertion rod shape thing and unblanks, so some other set up locking bar 90, this is not only expensive, install when also taking a lot of work, and its locking bar 90 also has the possibility of being locked; The dead bolt 40 of exposed door lock 10 is very easily shut when the people temporarily walks out outdoors because of wind or other accidental causes, and the people is locked in the outside, and causes trouble.

The purpose of this utility model is that a kind of improved door lock will be provided, and adds a locking bar in the door lock housing, or establishes sticking department and part counnter attack lock assembly on locking bar, or establishes the external-open parts, to solve the above-mentioned problem that exists.

The purpose of this utility model is achieved in that

Owing to adopt such scheme, the utility model can be with the advance and retreat step switch in door, and from not opening lock outdoors, the Lock Part on the door lock can be locked the locking bar of unlocking condition, can prevent from that locking bar is pushed into to lock; And the external-open parts of exposed door lock make people move back and open door dead bolt can being drawn outdoors, when wind or other factors are unexpectedly shut the door to prevent the people temporarily to go out, and are locked in outdoors predicament.

Below by accompanying drawing and embodiment the utility model is further described.

Figure 1A, B are known exposed door lock and locking bar separate structure figure.

Fig. 2 is known flush type door lock and locking bar separated position figure.

Fig. 3,4, the 5th, the utility model embodiment door lock adds the locking bar outside drawing.

Fig. 6,7, the 8th, locking bar is controlled the part schematic diagram among the utility model embodiment.

Fig. 9,10, the 11st, Lock Part and counnter attack lock assembly figure among the utility model embodiment.

Figure 12 is the profile that exposed door lock adds the external-open parts.

Figure 13 is that exposed door lock dress dead bolt retaining moves back component diagram.

Figure 14, the 15th changes the dead bolt pull bar into Wugou pull bar schematic diagram.

Figure 16 changes the dead bolt pull bar into Wugou pull bar schematic diagram.

Figure 17 is a core cover constructional drawing.

Among the figure: 1 locking bar, 2 jam plates, 4 connectors, 10 exposed door locks, 101 door lock cover plates, 34,41,102 elongated holes, 11 handles, 12,23 knobs, 13 lock ditches, 14 retaining ditches, 15,22 springs, 16 flanges promote mouth, 17 corner cuts, and 18 turning arms, 19 promote posts, 20 flush type door locks, 20a lock bolt door lock, 21 stopper edge, 30 lock bolts, 31 guide rods, 32 baffle plates, 33 retaining edge, projection, 36 circular arc chimbs, 37 shell fragment baffle plates, 40,50 dead bolts, the 401 dead bolt bodies of rod, 42 external-open sliding bodies, 43 handles, 44 block bodies, 501 inclined-planes, 51 bars, 52 tubular configured joints, 53 folder holes, 54 steel wires folder, 55 folder ditches, 56 recesses, 57,58 screws, 59 screws, 60 cores, 61 covers, 62 core trepannings, 63 guide holes, 64 handles, 70 pull bars, 70a Wugou pull bar, 71 nick portions, 72 portions that arch upward.

Referring to Fig. 3,4,5; The utility model embodiment mainly is at exposed door lock 10, or flush type door lock 20, or the door lock 20a of the door lock 20a of lock bolt 30 arranged, add a locking bar 1 within it, locking bar 1 is to move in addition switch with advance and retreat in door, has the function of use that can't open from outdoors, and its advance and retreat action is controlled (Fig. 6) from rear end that locking bar 1 protrudes door lock, see through panel and establish a handle 11 that is connected with locking bar 1 or knob 12 (Fig. 7,8), controlled.

Shown in Fig. 9,10; Locking bar 1 has a lock ditch 13, a retaining ditch 14 and a spring 15, for installing Lock Part and counnter attack lock assembly.Lock Part be utilize jam plate 2 tops folding in the door lock establish one with lock the stopper edge 21 that ditch 13 matches, when iron plate 1 is pushed into when locking, its stopper edge 21 promptly is subjected to the pressure of locking bar 2 upper springs 22 and in the embedding ditch 13, soon locking bar 1 will lock; And drawn when moving back by knob 23 when jam plate 2, its stopper edge 21 is a release lock ditch 13, then locking bar 1 promptly is compressed spring 15 tops and moves back and unblank.The counnter attack lock assembly is to utilize the guide rod 31 in lock bolt 30 movable spans to articulate a baffle plate 32, it have one with retaining ditch 14 corresponding retaining edge 33 and an oblique elongated hole 34, and a projection 35 is arranged in addition on the plate body of lock bolt 30, protrude in the inclined-plane elongated hole 34, when the action of being locked by core 60 when lock bolt 30 advances, its projection 35 can promote baffle plate 32 by oblique elongated hole 34, and retaining edge 33 is embedded in the retaining ditch 14 of locking bar 1, locks to prevent that locking bar 1 is pushed and then causes; Another embodiment (Figure 10) that locks parts establishes circular arc chimb 36 on lock bolt 30 plate bodys, circular arc chimb 36 promotes shell fragment baffle plate 37, and its retaining edge 33 is embedded in the lock ditch 14 of locking bar 1, in case locking bar 1 is locked.

As shown in figure 11; Lock Part in the flush type door lock 20 is to establish a flange to promote mouth 16 in locking bar 1 rear end, and establishes a corner cut 17 on a promotion mouthful limit; Adorn a turning arm 18 at manipulation knob 12, on turning arm 18, establish a promotion post 19 in the flange promotion mouth 16, with knob 12 driven rotary arms 18, and promote locking bars 1 advance and retreat with the promotion post on the turning arm 18 19, when locking bar 1 be pushed into turning arm 18 front ends when locking and promote post 19 be positioned at flange promote mouthfuls 16 and below corner cut 17 positions stopped locking.

As shown in figure 12: the dead bolt 40 of exposed door lock 10 is provided with the external-open parts, it is by adorn a connector 4 on the body of rod 401 of dead bolt 40, and adorn an external-open sliding body 42 that combines with connector 4 in the elongated hole 41 opened of the cover plate 101 that sees through door lock 10 and constitute, can dead bolt 40 be drawn from the external application hand by draw back plate 42 and to back out lock, preventing that moment that the people temporarily gos out from door taking place shut by accident, and the people is locked in situation outdoors; External-open sliding body 42 matches with the pull bar 70 that the panel that sees through door lock 10 is connected with connector 4 and has inside and outside two function of use of opening.

As shown in figure 13; Door lock 10 bottoms have the dead bolt retaining to move back parts, and its formation is to open an elongated hole 102 in door lock bottom, and the block body 44 that combines with handle 43 is housed; By handle 43 block body is advanced into connector 4 rears, is drawn in order to the body of rod 401 that stops dead bolt 40 and move back, opening the door with hand outdoors preventing.

As shown in figure 14; Another embodiment that dead bolt 40,50 is connected with the body of rod 51 be dead bolt 40,50 establish a tubular configured joint 52 in conjunction with the end face epirelief, folder hole 53 is established in the two sides of tubular configured joint 52; Steel wire folder 54 is arranged on the folder hole 53, and the binding end of the body of rod 51 has folder ditch 55, being steel wire folder 54 in the time of in the body of rod 51 insertion tube straight couplings 52 clamps fixing, be provided with recess 56 at dead bolt 40,50 again in conjunction with end face edge, unload with convenient dead bolt 40,50 is pulled, and refill after changing its inclined-plane 501 directions; Its another embodiment (Figure 15) opens screw 57,58 at tubular configured joint 52 and the body of rod 51 ends, utilizes screw 59 fixedly to reach dead bolt 40,50 conversion bevel directions.

As shown in figure 16; Dead bolt 40 can be drawn the pull bar that moves back 70 to change Wugou pull bar 70a, use shaft to collude the hook portion of pull bar 70 and unblank with anti-theft; Wugou pull bar 70a has nick portion 71 at pole face and the protruding pulling end that is exposed at outside the box lock, or establishes the portion 62 that arches upward; Draw so that enforce and to move back dead bolt 40, and be convenient to hold its convex exposure end Men Lakai.

As shown in figure 17; The cover 61 of core 60 is except that being provided with core trepanning 62 and promoting the conductor bores 63, and its periphery is provided with handle 64, and handle can be located at arbitrarily up and down or limit, the left and right sides, push body 42 draw move back dead bolt 40 after, by handle 64 with Men Lakai, to increase conveniently.

Claims (10)

1, a kind of door lock comprises the exposed door lock that is equiped with lock bolt and dead bolt and buries and the formula door lock, or the door lock of lock bolt is only arranged, or segmented door lock, it is characterized in that: be equiped with a locking bar in door lock, locking bar protrudes the door lock rear end, and the handle or the knob that are connected with locking bar are arranged on the Door lock casing.

2, door lock as claimed in claim 1 is characterized in that locking bar has lock ditch and spring, and the stopper edge that matches with the lock ditch is arranged on the jam plate.

3, door lock as claimed in claim 1 or 2 is characterized in that being equipped with on the locking bar of spring and establishes a retaining ditch, and the counnter attack lock assembly is housed in it, and the guide rod by the bolt movable span articulates a baffle plate, and baffle plate has and a retaining corresponding retaining edge of ditch and an oblique slotted hole; Have in addition on the latch board in the oblique slotted hole of the protruding people of a projection.

4, door lock as claimed in claim 1 is characterized in that the counnter attack lock assembly is provided with the circular arc chimb at the lock bolt plate body.

5, door lock as claimed in claim 1 is characterized in that the locking bar rear end of burying people's formula door lock Lock Part has a flange to promote mouth, and a corner cut is established on a promotion mouthful limit, and at its knob one turning arm is arranged, and has one to promote post on turning arm, promotes post in flange promotion mouth.

6, door lock as claimed in claim 1 is characterized in that the dead bolt of exposed door lock has the external-open parts, and the external-open parts are adorned a connection piece on the body of rod of dead bolt, and establishes an external-open push body that combines with connector by the elongated hole of door lock cover plate.

7, door lock as claimed in claim 1 is characterized in that door lock bottom has the dead bolt retaining to move back parts, and it is to open a slotted hole in door lock bottom, and the block body that is connected with handle is housed in the slotted hole.

8, door lock as claimed in claim 1, it is characterized in that in dead bolt and the structure that the body of rod is connected, establish a tubular configured joint at dead bolt in conjunction with the end face epirelief, there is folder hole the tubular configured joint two sides, the steel wire folder is arranged on the folder hole, the binding end of the body of rod then has the folder ditch, and is fixed by the steel wire clamping in the body of rod insertion tube straight coupling; Dead bolt in conjunction with end face edge recess is arranged.

9, door lock as claimed in claim 1 is characterized in that adopting the Wugou pull bar, and the pole face of Wugou pull bar and the protruding outer pulling end of door lock that is exposed at have nick portion.

10, door lock as claimed in claim 1 is characterized in that core is stamped core trepanning, push body guide hole and limit handle.

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