CN2241749Y - Double-ball internal door safety lock - Google Patents

Abstract

The utility model discloses a double-ball internal door safety lock, composed of a base plate 1, a bolt 2, a spring 4, etc. The bolt is movably positioned on the base plate by a central-positioning clip 5. A safety device composed of a shifting button lever 10, a movable lever 9, a press spring 9, etc. is also arranged. The utility model has the advantages of flexible use, good safety performance, big demand and good sale and replaces original handles and pins.

Description

Two ball inside door safety locks

The utility model relates to a kind of building locks, and is a kind of Inner door lock with safeties specifically.

Development along with building trade, upholster requires high, demand is also big, lock also is wherein a kind of, it is that people have also moved many brains at this with latch, handle etc. that former traditional inside door is closed, door bolt lock in routine CN2084091U elastic force touching hook wind-proof lock and the CN2123582U, all be to be loaded on the inside door, make windproof usefulness, and have indoor purposes of bolting the door concurrently, structure is all fairly simple, cost is also cheap, but external structure is not ideal enough, though inside also is provided with insurance, uses mortise lock, safety plates etc. use inconvenience also dumb.

It is a kind of rational in infrastructure, easy to use that the utility model provides, and safeties are flexible, reliable, two ball inside door safety locks that the life-span is long.

The utility model is to realize like this, be by base plate 1, dead bolt 2 is fixed on the end of tongue tail 3, and spring 4 is housed, with tongue tail 3 activity orientation on base plate 1, and block the other end of tongue tail 3 by centralized positioning card 5 by rotating dop 6, on base plate and tongue tail, safeties are housed, safeties are to connect active lever 9 by toggle lever 10, stage clip 8 is housed on the active lever 9 also is fixed on the base plate 1 with fixture 7, respectively are provided with insurance dop 11 on the both sides up and down at the tongue tail.In the center of rotating dop 6 square shaft 12 is housed, spherical inner handle 13 and outdoor handle 14 are equipped with in the two ends of square shaft.

Elaborate below in conjunction with accompanying drawing.

Fig. 1: two ball inside door safety lock internal construction schematic diagrames

Fig. 2: two ball inside door safety lock external mounting schematic diagrames

As shown in Figure 1, two ball inside door safety locks are fixedly connected on the end of tongue tail 3 by dead bolt 2, spring 4 is equipped with in the junction, base plate 1 is provided with centralized positioning card 5, and tongue tail 3 is located by connecting on the base plate 1, makes tongue tail 3 can make move left and right on base plate, the other end of tongue tail is blocked by the rotation dop 6 that is located on the base plate 1, rotate dop 6 rotation drive tongue tails down when the external force effect and make dead bolt energy move left and right, and the tongue tail is not beated on base plate, play the effect of open and close door.On tongue tail and base plate safeties are housed, safeties are to connect active levers 9 by toggle lever 10,8, one of stage clips are housed on the active lever are connected with the toggle lever, on the fixture 7 that is inserted in base plate.In the time will starting safeties in the inlet chamber, stir the toggle lever with hand, toggle lever drives active lever 9 is movable together, under the effect of stage clip 8, the dop of toggle lever 1 just in time is stuck in the insurance dop 11 on the tongue tail 3, even the external force effect is arranged, can not make the dead bolt move left and right, play the safety effect of closing the door.When hand is stirred the toggle lever again, toggle lever drives active lever, the while away from insurance dop 11, can move freely dead bolt again under the effect of stage clip under external force.Be provided with two insurance dops 11 on the both sides up and down of tongue tail, make tongue tail energy both forward and reverse directions, see Fig. 1 by dress.These safeties are stuck on the insurance dop 11 its dead strength owing to adopt lever toggle and stage clip, also are difficult for prying open through test, have played the pick-proof effect.With base plate 1 junction lock housing 15 is housed, square shaft 12 is housed in the center of rotating dop 6 is connected with door and, sees shown in Figure 2 by dress, there are spherical inner handle 13 and outdoor handle 14 in the two ends of square shaft, when the people at indoor or outdoors, as long as turning handle, the energy open and close door can play windbreak function again.

The utility model is a kind of simple insurance door lock of suitable inside door, as balcony door, door, bathroom door etc., former handle, latch have been substituted, outward appearance is generous, easy to use, flexible, safety performance is good, can not produce remove-insurance and stuck phenomenon, demand is big in existing new house decoration is made with old housing reform, sells.

Claims (2)

1. One, a kind of pair of ball inside door safety lock is by base plate [1], dead bolt [2] is fixed on the end of tongue tail [3], and spring [4] is housed, it is characterized in that, by centralized positioning card [5] tongue tail [3] is gone up activity orientation at base plate [1], and block the other end of tongue tail [3], on base plate [1] and tongue tail [3], safeties are housed by rotating dop [6], safeties are to connect active lever [9] by toggle lever [10], stage clip [8] is housed on the active lever [9] is fixed on the base plate [1] by fixture [7].
2. Two, according to claim 1 pair of ball inside door safety lock is characterized in that, respectively is provided with insurance dop [11] on the both sides up and down of tongue tail [3].

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