CN2780932Y - Safety lock with multiple locking holes for aluminium plastic window - Google Patents

Abstract

The utility model discloses a safety lock with multiple locking points for aluminium plastic windows, which belongs to one of locks. The utility model is composed of a lock key 1, a lock head 9, a lock plunger 19 and a lock shell. The utility model is characterized in that the lower part of lock shell is provided with a bottom seat 10 which is connected with the lock shell to form a whole, and at least two positioning holes 10-1 are arranged on the bottom seat. The aluminium plastic windows can be locked in a mode of multiple locking points; under the two states that the aluminium plastic windows are closed and the aluminium plastic windows are used for ventilating, the utility model can achieve the aims that lock can be locked and safety and theft prevention can be ensured.

Description

Multiple locking point safety plastic-aluminum sash lock

Technical field:

The utility model relates to a kind of Multiple locking point safety plastic-aluminum sash lock, belongs to a kind of of lock.

Background technology:

No matter used locking mechanism on the existing aluminium plastic window is easy rotary hook, or the lock of band key, draws the middle position of the perpendicular window frame of window in generally being installed in, and window frame can only be locked in the position of closing.When being in the ventilation state of unlatching, can't locking, both do not had antitheft effect, allow child's push-and-pull again easily, the tragedy that causes child to throw from window.And, window frame under identical external force effect, the flexural deformation amplitude bigger (greatly about about 5-8mm) that position takes place in the middle of it.When the flexural deformation that takes place under the effect of window frame in external force than large deflection, draw the locking bolt of the perpendicular window frame middle position of window in being installed in, occur bending and deformation easily and break away from housing and end lockhole, directly caused the reduction of lockset safety performance.

Summary of the invention:

The technical problems to be solved in the utility model is, a kind of deficiency that can effectively remedy existing plastic-aluminum sash lock is provided, and can realize Multi-point locking to aluminium plastic window, reaches aluminium plastic window under closing, ventilating two states, can locking, can guarantee safe and antitheft purpose again.

The utility model is to overcome the above problems the technical scheme of taking to be, a kind of Multiple locking point safety plastic-aluminum sash lock with following structure is provided.It is by key 1, and tapered end 9, locking bolt 19 and lock housing are formed, and are characterized in, establish the base 10 that is connected as a single entity with it in the bottom of lock housing, are provided with two locating hole 10-1 on this base at least.

A kind of embodiment preferably of the utility model is, on a minor face of base 10, establishes the downward limit 10-2 that is connected as a single entity with it, is provided with a locating hole on this downward limit.The base that makes lock like this is connected with window frame by three points, and it is vertical to be positioned at two locating holes of locating hole and other of locking on the downward limit of base, locks more firmly with being connected of window frame, and locking states is non-dismountable.

Second kind of the utility model embodiment preferably be, tapered end 9 is the spring leaf tapered end, and spring leaf tapered end and locking bolt, key are positioned on the same axis.The advantage of this tapered end, the one, there is the tooth of symmetry on the key both sides, and the spring leaf of symmetry is arranged in the lock core.So key not anyway, is unblanked conveniently; The 2nd, tapered end and dead bolt are positioned on the same axis, and be simple in structure, unblanks, locking is easy.

Because the utility model in the bottom of lock housing, has been established a base that is connected as a single entity with it 10, is provided with two locating hole 10-1 on this base at least.Compared with prior art, draw in this lock can be fixed on the perpendicular window frame of window the bottom or and the top, and do not influence the pulley of frame bottom, end that the direct design of lockhole is drawn on the horizontal underframe of window outside or and draw on the frame of the horizontal top of window outward, can on the basis that does not increase any add-on parts, realize the Multi-point locking of lockset.That is to say, both can make sliding sash locked in the position of closing, also can make sliding sash locked on the enable possition of determining, increased the safety factor of window greatly, make window under the situation of opening certain width, can also effectively play antitheft effect, solved window can't be antitheft under the ventilation state drawback.Can play simultaneously and prevent that child from opening window greatly, causes the tragedy of throwing from window.If this lock all has been installed at the interior bottom and the top of the perpendicular window frame of window of drawing, then increased the blocked fastness of window, its theftproof performance can be better.Draw in lockset can be installed in the perpendicular frame bottom of window or and the top, and owing to be locked on bottom or the tip position, can be subjected to the fixedly restriction of housing 12, the amplitude that occurs bending and deformation is less, thereby can avoid locking bolt to end lockhole, increase the security performance of lockset because of taking place to break away from housing than the macrobending distortion.If tapered end 9 is the spring leaf tapered end, spring leaf tapered end and lock are fastened, key is positioned on the same axis, then make lock more compact structure, more reliable performance, install and use easier and attractive in appearance.

Description of drawings:

The structural representation of an embodiment of Fig. 1---the utility model

The left view of Fig. 2---Fig. 1

The A-A sectional view of Fig. 3---Fig. 1

The B-B sectional view of Fig. 4---Fig. 3

Fig. 5---the utility model is positioned at the structure chart when drawing perpendicular frame bottom of window and exterior window to be in closed condition

The X partial enlarged drawing of Fig. 6---Fig. 5

Fig. 7---the utility model is positioned at the structure chart when drawing perpendicular frame bottom of window and exterior window to open certain width

Fig. 8---locking bolt ejects the schematic diagram that the horizontal underframe of exterior window ends lockhole

The Y partial enlarged drawing of Fig. 9---Fig. 8

Figure 10-the utility model is positioned at and draws perpendicular frame bottom of window and locking bolt to enter the outer structure chart that ends lockhole 13 on the horizontal underframe 14 of window that draws

The specific embodiment:

Provide embodiment of the present utility model below in conjunction with accompanying drawing, be used for further specifying technical solution.

Embodiment 1: with reference to figure 1-Figure 10.Its contour structures such as Fig. 1, Fig. 2 and Fig. 3.Its internal construction such as Fig. 3, Fig. 8-Figure 10.It install and use position such as Fig. 5-Figure 10.Found out that by Fig. 1, Fig. 2 and Fig. 3 this is locked by key 1, tapered end 9, locking bolt 19 and lock housing are formed, and tapered end 9 is the spring leaf tapered end, and it and key, lock are fastened and be positioned on the coaxial line.Base 10 is positioned at the bottom of lock housing, and is connected as a single entity with lock housing.Three locating holes are arranged on the base 10, and wherein two locating hole 10-1 are positioned at the two ends of base, and the 3rd locating hole is positioned on the downward limit 10-2 of base, and this locating hole and preceding two locating holes are not at grade and vertical mutually.

Find out that by Fig. 5, Fig. 6 the bottom of drawing the perpendicular window frame 11 of window in lock is fixed on is ended lockhole 13 direct designs and drawn outside on the horizontal underframe 14 of window.Ending lockhole 13 here is two, and a correspondence inside and outside two fan windows and is in closed condition completely, the state when drawing window to open certain width outside another correspondence.

Operating principle: with reference to figure 9.One, opening process: insert key 1, spring leaf 2 enters under the effect of spring leaf spring 3 in the tartar of key, and lock core can rotate.At this moment, turn clockwise about 30 °, lock core 8 rotates thereupon, and the dial axis 15 of lock core end is inserted in the elongated slot 16 of dead bolt 7, drives dead bolt 7 with the lock core rotation and does rectilinear motion to the right, makes dead bolt 7 withdraw from the lock tongue slot 17 of holder.Tapered end 9 can eject base 10 under the effect of tapered end spring 6, the track that tapered end ejects limits by being riveted on the lock core pin 4 on the tapered end and being positioned at the elongated slot 18 that play the guiding role on the lock housing, the locking bolt 19 of tapered end end also ejects with tapered end 9, and locking bolt 19 ejects the outer only lockhole 13 (seeing Fig. 5, Fig. 6, Fig. 8, Fig. 9 for details) that draws the horizontal underframe 14 of window.At this moment, lock is in opening, and two fan windows can be done relative slip to realize unlatching on slideway.Two, locking process: extract key, close window or make window be in definite enable possition, with subordinate tapered end 9 by ejection.When tapered end entered in the lock housing fully, the dead bolt 7 of tapered end inside was done rectilinear motion left under the effect of latch bolt spring 5, entered the lock tongue slot 17 of lock housing.Tapered end 9 is locked by dead bolt 7, and locking bolt 19 also stretches out lock housing thereupon and is inserted into the outer only lockhole 13 interior (seeing Figure 10 for details) that draws the horizontal underframe 14 of window.At this moment, two window frames are locked firm being tied together, and can not do relative slip on slideway, realize locking.

The blocked enable possition of window frame can be drawn on the horizontal underframe 14 of window and can be processed a plurality of lockholes that end as required on different positions outside by the determining positions of ending lockhole 13 of drawing the horizontal underframe 14 of window outward.

In like manner, the structure that can also provide other parts is identical with embodiment 1, and its difference only is not have the limit, lower edge on the base 10, and locating hole only has two embodiment.Compare with embodiment 1, the fastness that lock is fixed is not as embodiment 1.

Can also provide tapered end is ball lock head, the structure of base 10 and embodiment 1 same or analogous embodiment.

What need further specify is that no matter the tapered end of this lock is vertical or coaxial or equidirectional with locking bolt, can.But coaxial or equidirectional structure is compact more with locking bolt for tapered end, and switch lock is convenient.

Can also be as required, the top of drawing the perpendicular window frame 11 of window in lock is fixed on is drawn outside to bore on the frame of the horizontal top of window and end lockhole 13 simultaneously.Or the bottom and the top of drawing the perpendicular window frame 11 of window in simultaneously lock being installed in, draw outside and all bore only lockhole 13 on horizontal underframe of window and the horizontal top frame.

Claims (3)

1, a kind of Multiple locking point safety plastic-aluminum sash lock, it is by key (1), and tapered end (9), locking bolt (19) and lock housing are formed, and it is characterized in that, establish the base (10) that is connected as a single entity with it in the bottom of lock housing, are provided with two locating holes (10-1) on this base at least.

2, Multiple locking point safety plastic-aluminum sash lock according to claim 1 is characterized in that, on a minor face of base (10), establishes the downward limit (10-2) that is connected as a single entity with it, is provided with a locating hole on this downward limit.

3, Multiple locking point safety plastic-aluminum sash lock according to claim 1 and 2 is characterized in that tapered end (9) is the spring leaf tapered end, and spring leaf tapered end and lock are fastened, key is positioned on the same axis.

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