CN101255778B

CN101255778B - Locking structure of roller-blind door locking device

Info

Publication number: CN101255778B
Application number: CN200810074147XA
Authority: CN
Inventors: 金元一
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-22
Filing date: 2008-02-22
Publication date: 2011-05-18
Anticipated expiration: 2028-02-22
Also published as: CN101255778A

Abstract

The invention provides a locking structure of the locking device of a rolling door. The locking lever of the locking mechanism is made into a short lever, such that the locking lever moves inwards and outwards under the action of a movable support, the central part of the locking lever is connected to one end of the movable support via a spring, the protrusion part of the locking level is inserted into a lockhole under the effect of the spring, one side of the locking lever is connected to a connection accessory capable of moving inwards and outwards and a steel wire, the steel wire is tightened by a key, at the same time, the protrusion part is detached from the lockhole, a stop member is formed on one side of the movable support, therefore the protrusion part is prevented from being detached from the lockhole even if the rolling door deforms under external pressure or the steel wire is tightened frontward and backward. The invention aims to provide a locking mechanism, which has low cost, simple manufacture process, and may be mounted simply and freely. The invention also aims to prevent others from invading, since the locking mechanism is provided with a stop member, the protrusion part of the locking lever can not be detached from the lockhole even if others meaning to steal or damage applies force to the rolling door.

Description

The locking mechanism of roller-blind door locking device

Technical field

The invention relates to the locking mechanism of roller-blind door locking device, by the locking protuberance that moves inside and outside the coupling, insertion/disengaging lockhole is controlled rolling door and is closed or open, to lock connecting rod specifically and be made into quarter butt, be connected with wire rope with coupling, be convenient to setting is installed, and increased multiple prevention parts, even exert pressure in the outside, also can prevent the unlatching of locking.

Background technology

The locking device of rolling door in general, be by the centre that is fixed on rolling door, by various structures with key function, lock box that can the inside and outside coupling that moves, be connected the inside and outside end that moves with the locking annex and have the locking connecting rod of locking protuberance, support the inside and outside traversing carriage that moves of connecting rod, and the lockhole that can close or open in two side guidances rolling door and that can insert the locking protuberance constitutes.

But the rectangle lath that above-mentioned locking connecting rod is a metal material is made, and needs during installation to cut off and a crooked side according to the width of rolling door, is connected on the coupling, so not only make loaded down with trivial detailsly, and has the high problem of cost.

If secondly other people apply external force with the purpose of theft or destruction to rolling door, then the rolling door central part is recessed to the inside, lock simultaneously the protuberance of connecting rod can release lock lockhole on the orifice plate spare cause rolling door and open, therefore exist other people also can upwardly open rolling door even without key drawback.

Summary of the invention

The present invention proposes in order to solve the problem that existed in the past, and its purpose is to reduce cost, and makes simple, to lock connecting rod and make quarter butt, by the pulling force of spring and inside and outside the moving of wire rope effect on the locking connecting rod, the width with rolling door is not related, can free simple the installation.And another purpose is to prevent other people intrusion, even other people apply external force with the purpose of stealing or destroy to rolling door, because the prevention parts are arranged, so the locking protuberance of locking connecting rod can not break away from lockhole yet, can prevent other people intrusion.

In order to achieve the above object, the present invention has following characteristics, to lock connecting rod and make the quarter butt form, make its inside and outside moving under the effect of traversing carriage, and its centre is connected with spring with an end of traversing carriage, the locking protuberance of locking connecting rod inserts in the lockhole under the effect of spring, one side of above-mentioned connecting rod is connected with wire rope with inside and outside movably coupling again, by the key tense wire rope, make the locking protuberance of connecting rod break away from lockhole simultaneously, and constitute in a side of traversing carriage and to stop parts, even rolling door deforms or wire rope is strained by front and back under the ambient pressure effect, can prevent that also the locking protuberance of locking connecting rod breaks away from lockhole.

In sum, the present invention has following effect.The connecting rod that traversing carriage is supported is made into quarter butt, and top locking protuberance is injected lockhole with spring tension, by mobile coupling tense wire rope inside and outside the key, connecting rod is moved to the inside, and connecting rod locking protuberance breaks away from lockhole.Rolling door when recessed inwards, breaks away from lockhole for preventing connecting rod locking protuberance under ambient pressure, an end of traversing carriage made have stop function the prevention parts.The connecting rod that is located on the traversing carriage can be made with the quarter butt form according to the present invention, and be connected with wire rope with inside and outside mobile coupling, therefore irrelevant with the width of rolling door, easy for installation, make simply, can reduce cost, even and other people are when exerting pressure to rolling door with theft and demolition purpose, because the locking protuberance of connecting rod can't break away from lockhole and play the effect that prevents that other people from invading under the effect that stops annex.

Description of drawings

Fig. 1 is the oblique view of the roller-blind door locking device of an embodiment of the present invention.

Fig. 2 is the exploded perspective view of the critical component of same embodiment.

Fig. 3 is the plan view of the roller-blind door locking device of same embodiment.

Fig. 4 is the main plan view of Fig. 3 duty.

The plan view of roller-blind door locking device when Fig. 5 is subjected to external thrust for the rolling door of same embodiment.

Fig. 6 is the main plan view of the prevention parts duty of Fig. 5.

Main sequence number explanation among the figure: 1 prevention parts, 10 lock boxes, 11 connection fittings, 20 locking connecting rods, 21 locking protuberances, 22 stop platform, 30 traversing carriages, 31 rack plates, 32 bracket holes, 33 springs, 34 to prolong sheet, 40 lockhole plates, 41 lockholes, 42 prevention sheets, 50 wire rope, 51 snap closes, 100 rolling door, K key, R guide groove.

The specific embodiment

Elaborate with reference to the accompanying drawings below

Promptly Figure 1 shows that the whole oblique view of the roller-blind door locking device of an embodiment of the present invention.

Fig. 2 is the exploded perspective view of the critical component of same embodiment.Fig. 3 is the plan view of the roller-blind door locking device of same embodiment.The present invention has following configuration, control the both sides coupling 11 inside and outside lock boxes 10 that move by key K, be fixed on rolling door 100 pars intermedias, the end of coupling 11 connects and has the connecting rod 20 of locking protuberance 21, the middle both sides of above-mentioned rolling door 100 respectively are equipped with the traversing carriage 30 of subsidiary supported hole 32 and support chip 31, connecting rod 20 passes supported hole 32 inside and outside moving, be provided with porous lockhole plate in the guide groove R that above-mentioned rolling door 100 can be closed or opened, make the locking protuberance 21 insertion/disengaging lockholes 41 on the inside and outside connecting rod 20 that moves, form rolling door 100 locking devices, above-mentioned connecting rod 20 has increased prevention parts 1 with the quarter butt form at locking protuberance 21 opposite sides, and it is inside and outside mobile under the support of traversing carriage 30, and this connecting rod 20 is connected with traversing carriage 30 usefulness springs 33, under spring 33 tension, make locking protuberance 21 insert lockhole 41, there is the other end of this connection to be connected with snap close 51 by wire rope 50 again, pulls wire rope 50 and can make locking protuberance 21 break away from lockhole 41 with coupling 11.

And, even the locking protuberance 21 of above-mentioned connecting rod 20 is when wire rope 50 disconnects,, therefore can remain the state of rolling door 100 because the pulling force of spring 33 makes it inject lockhole 41.

On the other hand a side of above-mentioned traversing carriage 30 is made the subsidiary prevention parts 1 that stop function, and a side of connecting rod 20 is processed into zigzag in both sides up and down, there are some oblong aperture the centre, plays interception.

The undeclared sequence number 14 of sequence number is a lock core among the figure.

The same with Fig. 1 and Fig. 3 in foregoing invention, during close up shop and stop business, for preventing that other people from coming in and going out, the user is left behind and is installed in rolling door 100 on retail shop or the building access door, key K is injected lock core 14 rotations, then be attached under the effect of this key K on the lock box 10 and can moving laterally separately by the inside and outside coupling 11 that moves, this moment is owing to the coupling 11 that moves laterally separately is connected with connecting rod 20 by wire rope 50, connecting rod 20 moves freely under wire rope 50 pulling force are removed, be subjected to spring 33 pulling force simultaneously, move laterally separately, the locking protuberance 21 of connecting rod 20 injects 40 li of the interior annex lockholes of guide groove R, locked rolling door 100.

Otherwise, when running a shop, the user is for opening the rolling door 100 of retail shop or building, key K is inserted lock core 14 rotation counterclockwise, and then coupling 11 moves separately to the inside under its effect, and this moment, coupling 11 was connected with connecting rod 20 by wire rope 50, and under the pulling force of wire rope 50, move to the inside separately, the locking protuberance 21 of connecting rod 20 breaks away from the annex lockhole 40 that is attached among the guide groove R, removes locking state.

In addition as shown in Figure 5, when other people exert pressure to rolling door 100 with theft and demolition purpose, rolling door 100 is recessed to the inside, and the wire rope 50 that is attached on the coupling 11 also will move inwards, this moment is identical with Fig. 6, owing to be subjected to the sawtooth of connecting rod 20 rear ends and the influence of the projection 51 on middle square opening and the traversing carriage, can not maintain the lock status normally by the prevention hole of traversing carriage 30.

Blocking local rolling door 100 in addition, during front and back push-and-pull wire rope 50, with top described identical, connecting rod 20 can not prevent that the locking protuberance 21 of connecting rod 20 breaks away from lockhole by stoping parts.

Moreover even other people brute force is impacted or cut off wire rope 50 and coupling part thereof, the connecting rod locking protuberance 21 that is located on the traversing carriage 30 also can continue to insert lockhole 41 because of the pulling force of spring 33, remains the locking state of rolling door 100.

Claims

1. the locking mechanism of a roller-blind door locking device, it is characterized in that: the centre that lock box (10) is fixed on rolling door (100), inside and outside the moving of coupling (11) by key (K) control two ends, one end of coupling (11) connects with the connecting rod (20) that locking protuberance (21) are arranged again, be mounted with the traversing carriage (30) of supported hole (32) and support chip (31) in rolling door (100) both sides, be provided with the lockhole annex (40) of porous in the guide groove (R) of control rolling door (100) switch, make locking protuberance (21) insertion/disengaging lockhole (41) on the inside and outside connecting rod (20) that moves, form roller-blind door locking device; And the other end of connecting rod (20) locking protuberance (21) is made into sawtooth and some square openings (22) shape, inside and outside moving under the support of traversing carriage (30), the centre of connecting rod (20) is connected with spring (33) with an end of traversing carriage (30), make the locking protuberance (21) of connecting rod (20) under the tension of spring (33), insert lockhole (41), the other end of connecting rod (20) is connected with snap close (51) with wire rope (33) with coupling (11), and connecting rod locking protuberance (21) breaks away from lockhole (41) and opens rolling door (100) under the tension of wire rope (50).

2. the locking mechanism of roller-blind door locking device according to claim 1 is characterized in that: the locking protuberance (21) of connecting rod (20), remains and inserts lockhole (41) owing to be subjected to the pulling force of spring (33) even under the situation that wire rope (33) disconnects.

3. the locking mechanism of roller-blind door locking device according to claim 1 is characterized in that: a side of traversing carriage (30) is made the prevention parts (1) with prevention function.