CN1170076A

CN1170076A - Lock for doors and the like

Info

Publication number: CN1170076A
Application number: CN97103351.XA
Authority: CN
Inventors: 马西莫·卡塔内奥; 朱塞佩·卡塔内奥; 恩里克·卡塔内奥
Original assignee: Welka Serrature S P A
Current assignee: Welka Serrature S P A
Priority date: 1996-07-04
Filing date: 1997-03-20
Publication date: 1998-01-14
Anticipated expiration: 2017-03-20
Also published as: ITMI961371A0; EP0816608A2; ITMI961371A1; IT1284465B1; CN1087383C; EP0816608A3

Abstract

A lock for doors and the like, having the advantage of being unusually smooth in use, comprises an elongate box-shaped body, a cylinder that is rotatably supported in the box-shaped body and designed to be made to rotate by a key, a carriage that can move longitudinally inside the box-shaped body under the action of the cylinder, and a bolt that can move transversely inside the box-shaped body under the action of the carriage and by means of a right-angled turn mechanism, the said right-angled turn mechanism comprising a spindle that is rotatably supported in the box-shaped body, a pinion and a toothed secto that are fixed to the spindle , a rack formed in the carriage and meshing with the pinion and a rack formed in the bolt and meshing with the toothed sector.

Description

Be used for the lock on door or the similar articles

The present invention relates to a kind of lock that is used on door and the similar articles, this lock contains an elongated box-like housing; A cylinder that rotatably is supported in the box-like housing, it is designed and manufactured into and can rotates with key; One under cylindrical effect, the support that can be along the longitudinal movement in the box-like housing; And the latch that the cross section that is essentially rectangle is arranged, this latch can move along horizontal in the box-like housing under the effect of support and by means of the right angle rotating mechanism.

As everyone knows, in the lock of this stated type, latch need come rotating cylinder and realize folding by the suitable key that is inserted in the cylinder.

According to known to a kind of method, the cylinder control bracket, by means of a following mechanism controls latch, this mechanism comprises the part of main cooperation cam contour spare to this support again, thereby the right angle of travel direction changes.

Though aspect a lot, these locks can satisfy application target really, and be widely used, but they still exist shortcoming, that is, and and when the user inserts lockhole with key and rotates, he or she may run into certain resistance, under extreme case, key is blocked, or even it is stuck in lock.

Provide a kind of lock of the above-mentioned type by subject matter solved by the invention, its 26S Proteasome Structure and Function characteristics are to overcome the above-mentioned shortcoming relevant with prior art.

This problem is that the lock by a kind of the above-mentioned type solves, it is characterized in that the right angle rotating mechanism comprises that one rotatably is supported on the rotating shaft on the box-like housing, be fixed on a pinion and a sector gear in this rotating shaft, one along support form and with the tooth bar of pinion, and one along latch form and with the tooth bar of sector gear engagement.

By the description of the following preferred embodiment that mode with non-limiting example is provided and with reference to accompanying drawing, can clearly understand further feature and advantage according to lock of the present invention, among the figure:

Fig. 1 is the elevation according to lock of the present invention;

Fig. 2 is the lateral view of lock shown in Figure 1;

Fig. 3 is the view similar to Fig. 2, wherein clearly show that each parts;

Fig. 4 is the sectional view of lock shown in Figure 1;

Fig. 5 and Fig. 6 are the schematic diagrames of the details of lock shown in Figure 1;

Fig. 7 is the detail drawing that the lock among Fig. 1 is got along arrow VII direction;

Fig. 8 is the partial sectional view of the details of lock shown in Figure 1;

Fig. 9 and Figure 10 are the views of other details of lock shown in Figure 1;

Figure 11,12,13 and 14 show Fig. 1, are locked in the situation in other stage of its operation shown in 2,3 and 4.

With reference to these accompanying drawings, label 1 represents that integrally one is used for the lock on door, window, door and window frame and the similar articles.

Lock 1 comprises a box-like housing 2 and a narrow antetheca 3, and the box-like housing is the shape of parallelepiped basically, and extends along vertical length direction x-x.

Lock 1 comprises a latch 4 that narrow rectangular cross section and center of gravity G arranged, and it can be in the box-like housing moves along the horizontal cross y-y vertical with wall 3, offers an opening 5 on wall 3, and latch 4 moves in the mode that is directed to by it.

Lock 1 also comprises a top motion driven rod 6 and a bottom motion driven rod 7, and they produce three locking points with latch 4 in lock 1.

Top motion driven rod 6 and bottom motion driven rod 7 can be along the longitudinal movement in box-like housing 2, and stretch out from its two opposite end.

Lock 1 also comprises a spring bolt 8, and it can move along horizontal y-y in box-like housing 2, and often in the closed position under the effect of spring 9, and this moment, it stretched out outside the box-like housing 2.

Reference number 10 expression one has the cylinder of an axis z-z who extends perpendicular to axis x-x and y-y, and this cylinder rotatably is supported on the box-like housing 2, and is designed to admit a suitable key (not shown), and it can be rotated.

Lock 1 comprises a support 11, and it can vertically move in box-like housing 2 under the effect of cylinder 10, and mechanically links to each other with latch 4 by means of a right angle rotating mechanism 12.

In according to lock 1 of the present invention, right angle rotating mechanism 12 comprises a rotating shaft 13, and this rotating shaft is supported on the box-like housing 2 rotationally, and its axis is aimed at axis z-z.Fixing one first pinion 14 in rotating shaft 13, it and first tooth bar 15 that forms along support 11 mesh.A sector gear 16 also is fixed in the rotating shaft 13 and with a tooth bar 17 that forms along latch 4 and meshes, and this tooth bar 17 extends along the straight line g-g of parallel with axis y-y and close center of gravity G.

Sector gear 16 is contained in the cavity 18 in the latch 4, and this cavity forms in latch self, and defines two

relative sidewall

19a and 19b therein.Latch 4 comprises two groove 20a and the 20b that forms respectively on wall 19a and 19b.Groove 20a links to each other with 21b with two corresponding cylindrical part 21a that form in sector gear 16 back, in rotating shaft 13 along direction y-y extension and with limited play degree with 20b.Like this, when latch 4 moves in the mode that is led in box-like housing 2, not only by opening 5, and on cylindrical part 21a and 21b.

The lock 1 also comprise one with respect to first pinion 14 at second pinion 22 that is fixed on the opposite side of sector gear 16 in the rotating shaft 13.

This second pinion 22 is meshed with two

tooth bars

23 and 24 that form along the driven

rod

6 and 7 that moves respectively.

Must be pointed out, more advantageously, first pinion 14, the sector gear 16 and second pinion 22 are fixed in the rotating shaft 13 by means of the bearing that square cross section is arranged accordingly, these bearings are respectively with 14a, 16a, 22a represent that they are fixed on again on the appropriate section of rotating shaft 13, these parts of rotating shaft have the square cross section that matches, respectively with 14b, 16b, 22b represents.

For aperture position with the withdrawal of spring bolt 8 shift-ins, rotatably be supported on the box-like housing 2 and have one to be used for admitting the lever 25 of rectangular member 26 (not shown) of a handle that is fit to except one, also have a lever 27 that rotatably is supported on the box-like housing 2, it is coaxial with lever 25.

Lever 27 is promoted by an auxiliary stand 28, this support 28 can vertically move with support 11 in box-like housing 2 in the mode that is led under the effect of cylinder 10 abreast, and engage with spring bolt 8, thereby resisting the active force that produces by spring 9 and moving the latter, and entering the aperture position that makes in its indentation box-like housing 2.

Can notice that pinion, sector gear and tooth bar have preferably low modulus value, for example modulus is 1 millimeter a gear.

In use, pass to cylinder by key, the rotation that passes to support by cylinder again connects by means of two sleeve gears/rack type and passes to latch 4 thus, more particularly, this rotation is to transmit by means of being connected of sector gear 16 and tooth bar 17 that be connected and comprise that comprises tooth bar 15 and pinion 14.

Like this, latch 4 in its retraction box-like housing 2 open position (Fig. 1-4) and its fastening position (Figure 11-14) of stretching out box-like housing 2 between move.

For motion driven

rod

6 and 7, they also connect controlled by means of gear/rack type, they are respectively by the connection that comprises pinion 22 and tooth bar 23 and comprise pinion 22 and the connection of tooth bar 24 is moved it between open position and fastening position.

The additional movement that is passed to cylinder and passed to auxiliary stand by cylinder thus by key passes to spring bolt 8 by lever 27, makes spring bolt 8 move into open positions.When decontroling key, spring bolt returns under the effect of spring, enters fastening position.

Be to move with remarkable and stable smooth manner according to the major advantage of lock of the present invention and pass to latch and motion driven rod by key.Can be subjected to the active force of its direction of motion basically identical and therefore produce little lateral force and the fact of low frictional force is explained by latch and bar according to the stable flatness of lock of the present invention.

With regard to latch, move the center of gravity place that required masterpiece is used in close cross section, this has reduced frictional force again further.

Another advantage according to lock of the present invention is, after latch and motion driven rod were opened, spring bolt also was opened.

Much less, for that realize meeting an urgent need and specific requirement, those skilled in the art can implement various improvement and variation to above-mentioned lock, and all these improvements and changes still are included in the protection scope of the present invention that limits as following claim.

Claims

1. the lock (1) that is used for door and similar articles, the lock of this type comprises an elongated box-like housing (2), one rotatably is supported on box-like housing (2) and goes up and be designed to cylinder (10) with a key turns, the support (11) that can in box-like housing (2), be along the longitudinal movement under the effect of cylinder (10), and latch (4) that the cross section that is essentially rectangle is arranged, it can move along horizontal in box-like housing (2) under the effect of support (11) and by means of a right angle rotating mechanism (12), it is characterized in that, described right angle rotating mechanism (12) comprises a rotating shaft (13) that rotatably is supported in the box-like housing (2), be fixed on a pinion (14) and a sector gear (16) in the rotating shaft (13), one along support (11) form and with the tooth bar (15) of pinion (14) engagement, and one along latch (4) form and with the tooth bar (11) of sector gear (16) engagement.

2. lock as claimed in claim 1 (1) is characterized in that, goes up the center of gravity in the close latch cross section of tooth bar (17) that forms at latch (4).

3. lock as claimed in claim 1 (1), it is characterized in that it comprises two motion driven rods, a upper bar (6) and a lower pole (7), they can be along the longitudinal movement in box-like housing (2), and produce three locking points with latch (4) in lock; Second pinion (22) that is fixed in the rotating shaft (13); And two tooth bars (23,24), each tooth bar forms along the driven rod (6,7) that moves accordingly, and meshes with second pinion (22).

4. lock as claimed in claim 1 (1), it is characterized in that, latch (4) comprises two groove (20a in tooth bar formed thereon (17) side, 20b), these two grooves are with limited play degree and the respective cylindrical part (21a that goes up formation in sector gear (16) back, in rotating shaft (13), 21b) connect, (21a is 21b) as the guiding device of latch (4) for described cylindrical part.

5. lock as claimed in claim 1 (1) is characterized in that, it comprises a spring bolt (8) that can laterally move in box-like housing (2), and this spring bolt can push the fastening position that it stretches out box-like housing (2) consistently by a spring (9); The auxiliary stand (28) that can vertically move with respect to support (11), described auxiliary stand (28) by cylinder (10) control and act on one be supported on rotatably that box-like housing (2) is gone up and with lever (25) that spring bolt (8) engages on, thereby resisting the power that produces by spring (9) spring bolt is moved into the interior open position of its retraction box-like housing (2).

6. lock as claimed in claim 3 (1) is characterized in that, pinion (14,22), and sector gear (16) and tooth bar (15,23,24) have the gear of predetermined low modulus value.