CN201486275U

CN201486275U - Door lock

Info

Publication number: CN201486275U
Application number: CN2009201702523U
Authority: CN
Inventors: 杨国杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-31
Filing date: 2009-08-31
Publication date: 2010-05-26
Anticipated expiration: 2019-08-31

Abstract

The utility embodiment discloses a door lock, which comprises a main lock, an auxiliary lock, a lock pin which is arranged in the main lock and is provided with a sliding key, and a gear which is arranged outside the lock pin, a spline slot capable of containing the sliding key and a lock beam capable of entering the auxiliary lock are arranged on the inner wall of the gear, a gear rack matched with the gear and a spring which is arranged between an inner surface of the main lock and the lock beam are arranged on the lock beam, when the lock beam completely enters the main lock, and two ends of the spring are respectively contacted with the inner surfaces of the lock beam and the main lock and are in the compression states. The lock beam of the door lock in the utility embodiment has functions of traditional lock beam and traditional lock tongues, the lock beam and the spring are matched to realize door bumping locking, the lock beam and the gear are matched to realize driving locking, and the door lock has simpler structure compared with existing door locks.

Description

A kind of door lock

Technical field

The utility model relates to the five metals field of lockset, relates in particular to a kind of door lock.

Background technology

At present, the door lock that door lock closes with the sealed two kinds of functions of transmission be can realize hitting on the market and main lock, secondary lock, lock core, lock bridge, dead bolt, spring and transmission mechanism comprised mostly.The door lock that hits of above-mentioned door lock closes function by the dead bolt realization that matches with spring: at closing time, dead bolt is banged in the main lock and makes spring be in compressive state, shuts behind the door spring and stretches and promote dead bolt and enter secondary lock and finish and hit door lock and close.Transmission is sealed then mainly by the realization that matches of transmission mechanism and lock bridge (also need use key sometimes).Because lock bridge and dead bolt are provided with respectively, the structure of above-mentioned door lock is comparatively complicated.

The utility model content

In view of this, the purpose of this utility model is to provide a kind of structure comparatively simple and can realize hitting door lock and close door lock with the transmission locking function.

For achieving the above object, the utility model provides following technical scheme:

A kind of door lock comprises main lock and secondary lock, also comprises:

Be arranged at the lock core that has feather key in the described main lock;

Be arranged at the gear of described lock core periphery, the inwall of described gear has the spline that can hold described feather key;

Can enter the lock bridge of described secondary lock, described lock bridge is provided with the tooth bar adaptive with described gear;

Be arranged at the spring between described main lock inner surface and the described lock bridge, when described lock bridge was in the described main lock fully, the two ends of described spring contacted with described lock bridge and described main lock inner surface respectively and are in compressive state.

Preferably, described door lock also comprises lock.

Preferably, described door lock also comprises and can spur the pull unit that lock bridge carries out transverse movement.

Preferably, the lock bridge of described door lock one end that can enter secondary lock has inclined-plane or slick and sly convex surface.

This shows, the lock bridge of the utility model door lock has the function of traditional dead bolt and traditional lock bridge concurrently, lock bridge matches with spring and can realize that hitting door lock closes, and lock bridge matches with gear and can realize that transmission is sealed, compare with the conventional door lock that lock bridge and dead bolt are provided with respectively, the structure of the utility model door lock is simple relatively, and can realize hitting door lock and close and the transmission locking function.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment, to do simple introduction to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is treated door latch structure schematic diagram under the lock state for what the utility model embodiment provided;

Fig. 2 closes door latch structure schematic diagram under the state for the door lock that hits that the utility model embodiment is provided;

Door latch structure schematic diagram under the transmission locked state that Fig. 3 is provided for the utility model embodiment;

The another structural representation of door lock that Fig. 4 is provided for the utility model embodiment;

Another structural representation of door lock that Fig. 5 is provided for the utility model embodiment.

The specific embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite, and the every other embodiment that is obtained belongs to the utility model protection domain.

It is comparatively simple and can realize hitting door lock and close door lock with the transmission locking function that the utility model embodiment discloses structure, Fig. 1 shows a kind of structure of this door lock, comprise: main lock 1, secondary lock 2, be fixed in the lock core 3 in the main lock 1, lock core 3 is provided with feather key 31, the outer periphery of lock core 3 is equipped with gear 4, the inwall of gear 4 have can hold feather key 31 spline 41 (when lock core 3 maintains static, spline 41 can provide certain rotation space for gear 4, and when lock core 3 rotations, feather key 31 on the lock core 3 can contact and drive spline 41 rotations after turning over certain angle with the cell wall of spline 41, thereby driven gear 4 rotation), can enter the lock bridge 5 of secondary lock 2, lock bridge 5 is provided with the tooth bar 6 suitable with gear 4, be arranged at the spring 7 between main lock 1 inner surface and the lock bridge 5, when lock bridge 5 was in the main lock 1 fully, the two ends of spring 7 contacted with main lock 1 inner surface and lock bridge 5 respectively, and are in compressive state.

Before mentioned that door lock among the utility model embodiment can realize hitting door lock and close with transmission sealed, wherein, hitting door lock closes by lock bridge 5 and cooperates realization with spring 7: at closing time, the end 51 that lock bridge 5 can enter secondary lock 2 directly clashes into secondary lock 2, under the effect of impact, lock bridge 5 is done the motion away from pair lock 2, and the spring 7 that is between lock bridge 5 and main lock 1 inner surface is compressed, when lock bridge 5 entered in the main lock 1 fully, spring 7 was compressed at utmost.After door is shut, the impact that acts on the lock bridge 5 disappears, because compressed spring 7 has the restoring force of replying original shape, under the effect of this restoring force, lock bridge 5 can enter an end 51 of secondary lock 2 then do the motion of close secondary lock 2 and enter secondary lock 2, and when spring 7 returned to nature, spring 7 acted on the power disappearance on the lock bridge 5, lock bridge 5 can enter an end 51 of secondary lock 2 and stay in the secondary lock 2 (referring to Fig. 2), closes thereby realized hitting door lock; Transmission is sealed then mainly to be to realize by lock bridge 5 and cooperating of gear 4: when lock core 3 rotations, gear 4 can rotate along with the rotation of lock core 3, and the tooth bar 6 on gear 4 and the lock bridge 5 can be converted into rotatablely moving of gear 4 rectilinear motion of tooth bar 6 by direct engagement, and lock bridge 5 therefore can transverse movement enters secondary lock 2 (referring to Fig. 3) and realizes that transmission is sealed.The process of unblanking is opposite with said process, does not give unnecessary details at this.

Need to prove that in concrete enforcement, the quantity of spring 7 is not limited only to one, the annexation of itself and door lock miscellaneous part also can have multiple mode.For example can be fixedlyed connected with the inner surface of main lock 1 with lock bridge 5 respectively in spring 7 two ends, perhaps the end with spring 7 is fixed on the lock bridge 5, its other end is unfixing, perhaps the end with spring 7 is fixed on main lock 1 inner surface and the lock bridge 5 corresponding positions, its other end is unfixing, and dual mode is excellent later on, because can avoid fashionable at drive lock like this, secondary lock 2 is elongated spring 7 because of lock bridge 5 enters, thereby has prolonged the application life of spring.Those skilled in the art can carry out flexible design according to actual needs, can realize that hitting door lock closes as long as assurance spring 7 matches with lock bridge 5.In addition, lock core 3 below that can be arranged on lock bridge 5 also can be arranged on the top of lock bridge 5.

As can be seen, the lock bridge 5 in the foregoing description has had the function of traditional lock bridge and traditional dead bolt, and lock bridge 5 can realize hitting the function that door lock closes by being used with spring 7, and by with being used of gear 4, then can realize the function that transmission is sealed.Compare with the conventional door lock that lock bridge and dead bolt are provided with respectively, the structure of the utility model door lock is simple relatively, and can realize hitting door lock and close and the transmission locking function.

Door lock in the foregoing description can be arranged at an inboard, and the user can operate door lock by key when outer side of door.

Preferably, can also on lock bridge 5 pull unit be set, when door lock is in when hitting door lock and closing state, the user can use pull unit pulling lock bridge 5 to carry out transverse movement at Men Nei, even the user does not use key can realize opening the door at Men Nei yet like this.For example, can be on lock bridge 5 near an end of spring 7 handle 8 (seeing also Fig. 4) be set, still some does not enter in the main lock 1 handle 8 after door lock hits door lock and closes, and exposes that part of main lock 1 by pulling handle 8, can make of the motion of lock bridge 5 dos away from pair lock 2, thus the function that realization is opened the door.When specific implementation, can use pin, Luo bolt even rope etc. to realize the function of handle 8, those skilled in the art can carry out flexible design according to actual needs, as long as guaranteeing to hit door lock closes the back and uses the handle 8 can be with door-lock opening, and shake hands 8 not hinder lock bridge 5 and enter in the secondary lock 2, promptly shake hands 8 not hinder door lock and carry out that transmission is sealed to get final product.Except shaking hands, also handle or knob can be set on door lock, can drive lock bridge 5 transverse movements as long as guarantee the motion of handle or knob, realize that the function of opening the door gets final product.

Whether preferably, lock 9 (as shown in Figure 5) can be set on door lock, some exposes main lock 1 lock 9, in use, can control by the exposed parts of operation lock 9 and gear 4 is engaged.If use lock 9 that gear 4 is blocked in the time of in lock bridge 5 is in main lock 1 fully, lock bridge 5 just can not stretch out main lock 1, and door lock also just can not be by sealed; If hit that door lock closes or the sealed back of transmission uses lock 9 that gear 4 is blocked at door lock, even if then using key also door can't be opened outdoors, thereby avoided some forcible entries from outdoors, improved safety.

For friction between fashionable lock bridge 5 of door lock and the secondary lock 2 is hit in minimizing, the end 51 that lock bridge 5 can enter secondary lock 2 among above-mentioned all embodiment can have inclined-plane or slick and sly convex surface.With main lock 1 is object of reference, is inclined-plane or slick and sly convex surface at an end 51 of lock bridge 5 at closing time towards the one sides of pair lock 2 motions.

Each embodiment adopts the mode of going forward one by one to describe in this manual, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.

To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims

1. a door lock comprises main lock and secondary lock, it is characterized in that, also comprises:

Be arranged at the lock core that has feather key in the described main lock;

2. door lock according to claim 1 is characterized in that, also comprises lock.

3. door lock according to claim 1 is characterized in that, also comprises spurring the pull unit that lock bridge carries out transverse movement.

4. according to the described door lock of arbitrary claim in the claim 1 to 3, it is characterized in that the end that described lock bridge can enter described secondary lock has inclined-plane or slick and sly convex surface.