CN2561889Y

CN2561889Y - Crab claw type glass door lock

Info

Publication number: CN2561889Y
Application number: CN 02271391
Authority: CN
Inventors: 黄伟初
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-28
Filing date: 2002-06-28
Publication date: 2003-07-23
Anticipated expiration: 2012-06-28

Abstract

A crab claw type glass door lock. The utility model discloses a lock shell, hasp shell, the lock core of pulling the piece, locking mechanical system and be used for the reference column of locking mechanical system location, its characteristics lie in the rear portion of lock shell and hasp shell is equipped with the splint of being buckled and form by a lath respectively, just the locking mechanical system front end is equipped with the spring bolt, and this spring bolt includes two hyoplastrons and presss from both sides the coupler knuckle and the reset spring of the crab claw formula of putting between two hyoplastrons, wherein two coupler knuckles back-to-back sets up and rear portion articulated mounting between two hyoplastrons, reset spring inlays to be put between two coupler knuckles. The utility model discloses owing to adopt the structure that is equipped with the coupler knuckle on the spring bolt that locking mechanical system is connected, realized that the spring bolt can hook the function of putting in the hasp shell, have pick-proof, characteristics that the theftproof performance is good, intensity is high to solved effectively that the structural strength who adopts simple lock core to constitute is poor, the easy card is dead or the spring bolt rupture, and the theftproof performance is poor, do not have the problem of the glass door lock of pick-proof function.

Description

A kind of crab jaw type glass door lock

Technical field

The utility model relates to a kind of lock, particularly a kind of crab jaw type glass door lock that is applicable to various glass doors.

Background technology

Current lock for glass door generally is to adopt flexible locksets such as chain lock, handcuff type lock that the glass door handgrip is pinned, and this mode is to the locking of the glass door of biparting double-open, and it uses inconvenient, and is also not attractive in appearance, and theftproof performance is poor.No. 98249850.0 application documents of Chinese patent disclose a kind of " glass door locking device ", its mainly on lock housing device the lock core of tongue with lock is arranged, then lock housing is installed fixation device with two and constitutes.The glass door lock of this structure is because directly with the mechanism of some simple lock cores as locking two fan glass doors, it is poor to there is structural strength, and stuck or dead bolt fractures easily, and application life is short, problems such as theftproof performance difference.

Summary of the invention

The purpose of this utility model is at above-mentioned existing problems, and a kind of antitheft, pick-proof, structural strength height are provided, and crab jaw type glass door lock easy to use, good looking appearance.

The utility model comprises lock housing, the snap close shell, the lock core of band dragging element, locking mechanism and be used for the reference column of locking mechanism location, wherein said locking mechanism comprises slide plate, location-plate, panel and spring, its characteristics are that the rear portion of described lock housing and snap close shell is respectively equipped with the clamping plate that are bent to form by a lath, and described locking mechanism front end is provided with dead bolt, this dead bolt comprises two hyoplastrons and is interposed in the hook tongue and the back-moving spring of the crab jaw type between two hyoplastrons, wherein said two hook back backrests setting and rear portion articulated mounting are between two hyoplastrons, and described back-moving spring is embedded between the two hook tongues.

The utility model is owing to adopt the structure that is provided with the hook tongue on the dead bolt that locking mechanism is connected, realized that dead bolt can place the interior function of snap close shell by hook, have pick-proof, characteristics that theftproof performance is good, and solved effectively that the structural strength that adopts simple lock core to constitute is poor, stuck or dead bolt fractures easily, and theftproof performance is poor, do not have a problem of glass door lock of tamper-resistant function.Simultaneously, the location-plate of locking mechanism of the present utility model is provided with three grades of screens, increases the length that dead bolt stretches into the snap close shell, strengthens theftproof performance of the present utility model further.The utility model is rational in infrastructure, intensity is high, and theftproof is good, and aesthetic in appearance, long service life can be widely used in using on the glass door of retail shop, public place etc.

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

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of lock housing of the present utility model inside.

Fig. 3 is the disassembly and assembly structure schematic diagram of locking mechanism of the present utility model.

The specific embodiment

As Fig. 1, Fig. 2 and shown in Figure 3, the utility model comprises lock core 4, the locking mechanism 5 of lock housing 1, snap close shell 2, band dragging element 3 and is used for the reference column 6 of locking mechanism 5 location, should decide mechanism 5 is installed in the lock housing 1, and reference column 6 places wherein, described locking mechanism 5 comprises slide plate 51, location-plate 52, panel 53 and spring 54, wherein, location-plate 52, panel 53 are installed on slide plate 51 successively, spring 54 is set on the erection column 522 of location-plate 52 by installing ring on it 541, and its two ends are inserted in the locating hole 532 of panel 53, constitute locking mechanism.For the utility model is installed on glass door in using installation process simply, easily, the rear portion of described lock housing 1 and snap close shell 2 is respectively equipped with clamping plate 7 and the clamping plate 8 that are bent to form by a lath, the inner chamber of these clamping plate 7 and clamping plate 8 is equipped with rubber pad 71 and rubber pad 81 respectively, and, the utility model can be fixed on the glass door by screwing the bolt that is arranged on clamping plate 7 and the clamping plate 8.Described locking mechanism 5 front ends are provided with dead bolt 9, in order to make the utility model theftproof performance good, have tamper-resistant function, structural strength height, described dead bolt 9 comprises hyoplastron 91, hyoplastron 92, and be interposed in the hook tongue 93 and the back-moving spring 94 of the crab jaw type between hyoplastron 91, the hyoplastron 92, wherein said two hook tongues 93 be provided with back-to-back and the rear portion articulated mounting between hyoplastron 91 and hyoplastron 92, described back-moving spring 94 is embedded between the two hook tongues 93, and connects and composes a kind of glass door locking device that has the crab jaw type dead bolt by three pins.Wherein, described hook tongue 93 front ends are provided with latch hook 931, rear end, and to be provided with protruding pin 932, recess 934 and top, back be inclined-plane 933 and band circular arc recess, hook tongue 93 is articulated between hyoplastron 91 and the hyoplastron 92 by pin, the protruding pin 932 of hook tongue 93 protrudes in outside the hyoplastron, and described back-moving spring 94 is embedded in the recess 934 of two hook tongues 93.For further strengthening hook tongue 93 intensity, prevent

latch hook

931 and 932 fractures of protruding pin on it, hook tongue 93 in the present embodiment can be the hook tongue that the thicker metal decking of individual layer is made, also can be the some block-shaped identical hook tongue piece closed assembly made than foil together, and be fixed as one by pin.Present embodiment is that a scheme is an example after adopting, and so not only lowers the cutting difficulty in the processing process, and can reach its intensity height again.For locking mechanism 5 can be connected simply and effectively with dead bolt 9, reduce the operation of processing and manufacturing, described hyoplastron 92 is connected with the slide plate 51 of locking mechanism 5 and forms Z-shaped panel for one; Make under the stirring of dragging element 3 on locking mechanism 5 lock cores 4, locking mechanism 5 transmission dead bolts 9 pass in the hole 11 of lock housing 1, and work as protruding 932 inwall that touches lock housing 1 of hook tongue 93, and hook tongue 93 can launch to the both sides of dead bolt 9, and hook is put in snap close shell 2.In order further to strengthen theftproof performance of the present utility model, increase the scalable length of dead bolt 9, the slide plate 51 of described locking mechanism 5 is provided with several can be for dragging element 3 holdings on the lock core 4 and the recess of stirring 511, and location-plate 52 and the panel 53 of device on slide plate 51 is respectively equipped with three screens 521 and some circular arc recess 531 that can supply reference column 6 holdings location accordingly.The process that their are realized is such: when the dragging element on the lock core 43 was stirred first recess 511 on the slide plate 51, reference column 6 was blocked in second screens 521 that slide plate 51 drives location-plates 52, and dead bolt 9 stretches into one section to the button hole 21 of snap close shell 2; When dragging element 3 is stirred on the slide plate 51 second recess 511 with same direction again, reference column 6 is blocked in the 3rd screens 521 that described slide plate 51 drives location-plate 52, dead bolt 9 continues to stretch into button hole 21, and the protruding pin 932 of its tongue 93 of rising to the bait touches lock housing 1 inwall, two hook tongues launch to the both sides of dead bolt 9, the latch hook 931 of hook tongue 93 hooks the inwall of snap close shell 2, thereby reaches safe and reliable firm purpose.When dragging element 3 travel directions were stirred, the protruding pin 932 of described hook tongue 93 separated with the inwall of lock housing 1, and regained inwards under back-moving spring 94 effect, and dead bolt 9 is also toward reclaiming one section, and its course of work is similar when stretching out, and does not repeat them here.For further strengthening lock core 4 devices fastness on lock housing 1, prevent that lock core 4 from falling into under external force easily, be provided with the liner plate 10 that rests on the header board inwall in the described lock housing 1, described reference column 6 is fixed on the liner plate 10.

Claims

1, a kind of crab jaw type glass door lock, comprise lock housing (1), snap close shell (2), the lock core (4) of band dragging element (3), locking mechanism (5) and be used for the reference column (6) of locking mechanism (5) location, wherein said locking mechanism (5) comprises slide plate (51), location-plate (52), panel (53) and spring (54), the rear portion that it is characterized in that described lock housing (1) and snap close shell (2) is respectively equipped with the clamping plate (7 that are bent to form by a lath, 8), and described locking mechanism (5) front end is provided with dead bolt (9), this dead bolt (9) comprises two hyoplastrons (91,92), and be interposed in two hyoplastrons (91, the hook tongue (93) of the crab jaw type 92) and back-moving spring (94), wherein said two hook tongues (93) be provided with back-to-back and the rear portion articulated mounting in two hyoplastrons (91,92) between, described back-moving spring (94) is embedded between the two hook tongues (93).

2, according to the described crab jaw type glass door lock of claim 1, hook tongue (93) front end that it is characterized in that described dead bolt (9) is provided with latch hook (931), the rear end is provided with and is inclined-plane (933) and band circular arc recess on protruding pin (932) and the back, hook tongue (93) is articulated between two hyoplastrons (91,92) by pin, and the protruding pin (932) of hook tongue (93) protrudes in outside the hyoplastron (91,92).

3, according to the described crab jaw type glass door lock of claim 1, it is characterized in that the hook tongue (93) of described dead bolt (9) is provided with recess (934), described back-moving spring (94) is embedded in the recess (934) of two hook tongues (93).

4, according to claim 1 or 2 or 3 described crab jaw type glass door locks, the hook tongue (93) that it is characterized in that described dead bolt (9) is by some block-shaped identical hook tongue piece closed assemblies together, and is fixed as one by pin.

5, according to the described crab jaw type glass door lock of claim 1, the hyoplastron (92) that it is characterized in that described dead bolt (9) is connected with the slide plate (51) of locking mechanism (5) and is the Z-shaped panel of one.

6, according to the described crab jaw type glass door lock of claim 1, the slide plate (51) that it is characterized in that described locking mechanism (5) is provided with the recess (511) that several can supply dragging element (3) holding on the lock core (4) and stir, and the panel (53) of device on slide plate (51) is provided with some circular arc recess (531) accordingly.

7,, it is characterized in that described location-plate (52) is provided with three screens (521) that can supply reference column (6) holding location according to claim 1 or 6 described crab jaw type glass door locks.

8, according to the described crab jaw type glass door lock of claim 7, it is characterized in that being provided with the liner plate (10) that rests on the header board inwall in the described lock housing (1), described reference column (6) is fixed on the liner plate (10).