CN2280754Y

CN2280754Y - Anti-theft chain buckle

Info

Publication number: CN2280754Y
Application number: CN 96241213
Authority: CN
Inventors: 钟贯进
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-10-23
Filing date: 1996-10-23
Publication date: 1998-05-06
Anticipated expiration: 2006-10-23

Abstract

The utility model relates to an anti-theft chain buckle, comprising a buckling seat body, one end of the side face of the buckling seat body is provided with a clamping slot whose interior is pivoted at a stopping block and a releasing piece. A compression spring, a top piece and a lock core are arranged respectively in an accommodating slot which is arranged above the buckling seat body, and a cover body is covered on the buckling seat body. In addition, the utility model is provided with a chain; an accommodating hole is arranged in a chain lock; the chain, a tension spring and a sleeve barrel are accommodated respectively in the accommodating hole, and the tail end of the chain is fixed on one end of the sleeve barrel. The front end of the chain is provided with a clamping part; the releasing piece is pushed backwards, and the stopping block can be moved inwards so that the clamping part is separated. Thus, the purpose that without a key, a door can be also opened indoors is achieved.

Description

Antitheft cuff link

The utility model is relevant for a kind of antitheft cuff link, particularly a kind of cuff link that can reach real anti-theft effect, it is fit to be loaded on gate or the window, when not needing the time spent, when this case is that locking is not when having key again, this antitheft cuff link also can utilize a push button to promote block so that the cuff link of this case is unblanked, and the utility model is a kind of antitheft cuff link of tool dual-use function.

The pattern that all now antitheft chain locks more generally use, be based on iron chains formula chain, be that chain is arranged on the doorframe, chain one end connects a holding section, and a block base is set on door-plate, form a microscler slot on the block base, when locking, only need the holding section is arranged at slot, constitute fastening state, when the people knocks at the door, door is opened appropriate gap, can't open wide-angle, avoid the stranger to make a forcible entry within doors with the chain limiting door, but this type door chain lock construction is comparatively simplified, so intensity and locking property are also obviously comparatively fragile, the anti-theft feature that can reach is relatively poor, and the holding section of chain lock is in slot, the stranger can stretch into hand in the door holding section is taken out, and then door chain will lose function;

Moreover, if when key by the migrant person carry go out after, if indoor nothing preparation key, then indoor occupant can't be opened lock core too, can't go out, this kind situation is gone out with the adult especially, more common when keeping somewhere child in the family, just the adult can't enter within doors the unprincipled fellow for the lock core on child's the safety interlocking button system seat, and child within doors also cannot walk out outside the room because of not having key, in case even child must go out, go to school when running into catastrophe, also can't walk out outdoors, not only anti-thus thief is even the one of own side also is restricted and inconvenience.

The purpose of this utility model is to provide a kind of externally can prevent the thief, internally action conveniently has the door chain mouth of dual-use function again.

For achieving the above object, the utility model is taked following measure:

A kind of antitheft cuff link of the present utility model, it comprises button system seat pedestal and the chain lock that matches, it is characterized in that, a slot is offered in described button system seat pedestal side, be pivoted in the slot and one release out part and block, button system seat pedestal top is provided with a storage tank, in storage tank, be provided with a compression spring, a top product and a lock core, one lid is covered on the button system seat pedestal, chain lock inside is provided with a containing hole in addition, in containing hole, be provided with a chain, extension spring and sleeve, the chain tail end is fixed in the sleeve rear through a hinged arm, and a lid is covered on the containing hole of chain lock.

Described door chain is characterized in that, described part one end of releasing out is provided with a push rod that promotes block.

Described antitheft cuff link is characterized in that, described block upper/lower terminal is provided with projection, on the projection each sheathed one can make block on chute, do the upset torque spring.

Described antitheft cuff link is characterized in that, a sheathed pad on the described holding section is so that keep a gap between described button system seat pedestal and the chain lock.

As follows in conjunction with preferred embodiment and description of drawings:

Fig. 1: be the decomposing schematic representation of the antitheft cuff link of the utility model;

Fig. 2: be the schematic appearance of the antitheft cuff link of the utility model;

Fig. 3: be A-A generalized section among Fig. 2 of the antitheft cuff link of the utility model;

Fig. 4: be B-B generalized section among Fig. 2 of the antitheft cuff link of the utility model;

Fig. 5: be C-C generalized section among Fig. 2 of the antitheft cuff link of the utility model;

Fig. 6: the generalized section that locks together for the button system seat pedestal and the chain lock of the antitheft cuff link of the utility model;

Fig. 7: the section action schematic diagram that locks together for the antitheft cuff link of the utility model button system seat pedestal and chain lock;

Fig. 8: be the combination schematic diagram of the antitheft cuff link of the utility model;

Fig. 9: be the assembling schematic diagram of the antitheft cuff link of the utility model.

Preferred embodiment is described as follows:

Please consult earlier shown in Fig. 1,2, a kind of door chain that the utility model provides comprises:

One button system seat pedestal 10, on button system seat pedestal 10 rears, following two ends respectively are convexly equipped with a lug 11,12, be fixed on the doorframe for detaining system seat pedestal 10, a slot 101 is longitudinally offered in side in button system seat pedestal 10, be provided with two chutes 103 in slot 101 inside, 104, and supply a block 16 and to release out the usefulness of part 17 engagings respectively, wherein on the block 16, the projection 161 that following two ends are set, 162 sheathed two torque springs 164,165 so that block 16 can be done the circumference turn on chute 103, and in the inside circular arc end face 163 that forms of block 16 1 ends, in addition in releasing out the push rod 17 that part 17 tops form a plane, please cooperate again referring to shown in Figure 4, Fig. 4 is a B-B sectional drawing among Fig. 2, and by can obviously finding out block 16 among Fig. 4 and releasing out the best image figure that part 17 is engaged to button system seat pedestal 10;

Then then be arranged with a storage tank 102 in button system seat pedestal 10 tops, in storage tank 102 and the ccontaining lock core 15 of difference, top product 14 and a compression spring 13, wherein be provided with a place of unblanking 151 for utilizing key unlocking in lock core 15 tops, please cooperate again referring to shown in Figure 3, Fig. 3 is Fig. 2 A-A sectional drawing, and by finding out obviously among Fig. 3 that lock core 15, top product 14 and compression spring 13 are engaged to the demonstration figure that buckles system seat pedestal 10;

Other is provided with a lid 18, and it utilizes several screws 181 that lid 18 is covered to buckleing on the system seat pedestal 10, please cooperates referring to shown in Figure 5 again, and Fig. 5 is a C-C sectional drawing among Fig. 2, and by can obviously finding out the combine schematic diagram of lock core 15 with block 16 among Fig. 5;

One and the chain lock 20 that matches of button system seat pedestal 10, chain lock 20 inside are provided with a containing hole 26, and in this containing hole 26 a ccontaining extension spring 22 sleeves 23 and a chain 21, and utilize a hinged arm 24 to pass the pivot hole 213 of chain 21 and chain 21 1 ends are fixed on the sleeve 23, wherein the other end of chain 21 then is provided with one and the holding section 211 that fastens of the slot 101 of button system pedestal 10, and on holding section 211 a sheathed pad 212, last then utilize a lid 25 to be covered on the opening part of chain lock 20.

Through after the above, just form the integral body of this creation, please referring to shown in Figure 2, it is the schematic appearance of this creation.

Please continue referring to shown in Figure 6, after chain 21 holding sections 211 of chain lock 20 are buckled into by the slot 101 of detaining system seat pedestal 10, block 16 makes holding section 211 can't detach slot 101 because of the stopping of top product 14 that is subjected to lock core 15, please then referring to shown in Figure 7, to release out part 17 when promoting when being positioned within doors personnel, the push rod 171 of releasing out part 17 just can promote block 16 to anticlockwise, just the holding section 211 that can make chain lock 20 this moment under the situation of lock core 15 lockings by disengagement slot 101 in, when blocking, exempt from the effect that key is opened and reach lock core 15 by indoor, also can make under within doors people can the situation at no key the promotion through releasing out part 17 and open door.

Please referring again to shown in Figure 8, Fig. 8 is the combination signal of this creation, when button system seat pedestal 10 is fixed in doorframe 30, chain lock 20 then is fixed in door 40, and the holding section 211 that makes chain lock 20 snaps in the slot 101 of button system seat pedestal 10, so when the unprincipled fellow is opened door by outdoor, and when not having key and opening lock core 15, the holding section 211 of chain lock 20 is when door is opened a little, that is can cause being subjected to and the angle of overturning of holding section 211, then produce holding section 211 stick up change an angle and with block 16 holding that leans, and the unprincipled fellow can't be opened door, to reach anti-theft feature.

At last please referring again to shown in Figure 9, this Fig. 9 represents that this creates another assembling and show, this creation still can apply to unblanking of window as can be seen from Figure, quite tool practicality and convenience.

According to above-mentioned explanation as can be known, the anti-theft chain buckle of this creation has following effect:

(1) anti-theft chain buckle of this case in the lock core locking of button system seat pedestal, and does not have lock for indoor occupant Under the spoon state, still can reach the facility of going out via the holding section of releasing out part and opening chain lock, effectively solve There is not key and problem that indoor occupant can't be gone out.

(2) this case anti-theft chain buckle, for the unprincipled fellow, as long as the door a little mobile, related make former perpendicular to The holding section of the chain lock in the slot of button system seat pedestal is the small upset of non-perpendicular shape, (door this moment position only Move, and can't look and indoor in, the holding section of chain lock has namely produced the upset of angle, cause the holding section with The holding that abuts against each other between block), so safe antitheft usefulness is very thorough, tight.

Claims

1, a kind of antitheft cuff link, it comprises button system seat pedestal and the chain lock that matches, it is characterized in that, a slot is offered in described button system seat pedestal side, be pivoted in the slot and one release out part and block, button system seat pedestal top is provided with a storage tank, in storage tank, be provided with compression spring, top product and a lock core, one lid is covered on the button system seat pedestal, chain lock inside is provided with a containing hole in addition, be provided with a chain, extension spring and sleeve in containing hole, the chain tail end is fixed in the sleeve rear through a hinged arm, and a lid is covered on the containing hole of chain lock.

2, door chain according to claim 1 is characterized in that, described part one end of releasing out is provided with a push rod that promotes block.

3, antitheft cuff link according to claim 1 is characterized in that, described block upper/lower terminal is provided with projection, on the projection each sheathed one can make block on chute, do the upset torque spring.