CN2233975Y - Built-in lock for two-wing door - Google Patents

Abstract

The utility model discloses a built-in lock, particularly a built-in lock for a door with a double door leaf. The built-in lock for a door with a double door leaf is provided with two lock body, each lock body is provided with two slide ways, and two lock rods are inserted in the slide ways corresponding in pairs and are fitted with the slide ways in the sliding way, wherein, one locking rod is provided with a rack bar, the lock body on the other side is provided with a driving wheel which can be flexibly rotated, the driving wheel can drive the lock rod with the rack bar to move in the slide ways, and the driving wheel is driven by a lock core. The utility model has the advantages of beautiful appearance, convenient opening, firmness, and safety.

Description

The double door built-in lock

The utility model relates to a kind of built-in lock, particularly a kind of double door built-in lock.

Now in our the being seen double door locking mechanism, major part is door latch type or bright padlock, promptly using built-in lock also is with common single door built-in lock, this being locked in when using must be fixed Yishanmen earlier with latch, but Yishanmen switch just in addition, but no matter be which kind of situation is all being deposited use trouble, the attractive in appearance inadequately and not high shortcoming of safety.

The purpose of this utility model will overcome above-mentioned shortcoming exactly, and a kind of good looking appearance, double door built-in lock esy to use, safe and reliable are provided.

For achieving the above object, the utility model adopts following technical scheme: the double door built-in lock comprises two lock bodies, two lock rods, two handles and a core, two slideways are all arranged in each lock body, and the slideway of two lock bodies is corresponding in twos, two lock rods are inserted in respectively in the corresponding slideway, and be slidingly matched with slideway, the lock nose is a bullet shape, and the lock rod is inserted in the corresponding slideway smoothly.Wherein in the lock body thumb wheel is arranged, wherein a lock rod has tooth bar with the thumb wheel touching position, and thumb wheel is driven by core, and the lock rod that thumb wheel can be stirred the band tooth bar moves in slideway, so without just can be on the door lock or open.

In the time of will pinning in doors, need to use another lock rod.Front end also is a bullet shape before this lock rod, the tail end jug, and should also have a L shaped groove by the lock rod, on lock body, be fixed with pin with this groove corresponding section, the part of pin is stretched in L shaped groove, and this lock rod just can be free to slide in slideway like this, can not be pulled out again, when in the short groove of pin at L shaped groove, can prevent to lock the move left and right of rod in slideway effectively.Only need pinch handle during use and will lock rod and insert in the corresponding lock body slideway, pull to next slightly, pin is put in the short groove of L shaped groove got final product.

Adopt the double door built-in lock of this structure, good looking appearance, convenient, the firm safety of unlatching are a kind of desirable double door locksets.

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

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

Fig. 2 is a mansion of the present utility model view.

Fig. 3 is a cross sectional representation of the present utility model.

With reference to Fig. 1, Fig. 2, Fig. 3.The double door built-in lock comprises lock body (2), (4), handle (17), (18), lock rod (1), (9) and core, slideway (3), (14) are arranged in the lock body (2), slideway (19), (20) in the lock body (4), lock rod (9) is slidingly matched with slideway (14), (20), and lock rod (1) is slidingly matched with slideway (3), (19).

Cylindrical space (21) is arranged in the lock body (2), thumb wheel (13) is arranged in this space, axle (12) one ends of thumb wheel are enclosed within on the bearing of lock body, the other end holds by plate (16) holder, in order to prevent the thumb wheel axial motion, on axle (12), be fixed with projection (15), plate (16) by screw on lock body.The axle of thumb wheel (12) is hollow, and there are two little blocks the centre, rotates so that group tongue of core can insert and can drive thumb wheel.Lock rod (1) is gone up and thumb wheel (13) touching position has tooth bar (11), and thumb wheel (13) can be stirred lock rod (1) and move in slideway (3), (19).Lock rod (1) afterbody has the convex edge, can prevent that thumb wheel is stuck.

Lock rod (9), (1) front end are bullet-headed, so that can insert smoothly in the slideway of corresponding lock body.On the lock rod (9) L shaped groove (7) is arranged, tail end jug (8), go up and this groove corresponding section is fixed with pin (6) at lock body (4), pin (a 6) part reaches in the L shaped groove, the lock rod can be free to slide in slideway like this, can do not extracted easily again, to lock rod (9) and be pushed into the top, pull to next, pin (6) just can be positioned at the short groove of L shaped groove, the lock rod just can at will not move in slideway like this, if pin (6) changes screw into, tightens screw and just can firmly the lock rod be fixed in the slideway.

In the middle of two slideways of lock body (2) porose (10), this hole can by screw will shake hands (18) be fixed on the lock body, porose (5) are used for fixing handle (17) on the same lock body (4).

During use, using the key turns core outdoors, core drives thumb wheel (13) and will lock rod (1) and insert in the slideway of another lock body, just door lock can be lived, and when opening the door, as long as the key counter-rotating just can be return locking rod, and after being lockable, does not open indoor.When in doors door lock being lived, can pinch handle (8) and will lock rod (9) and push in the slideway (14) of lock body (2) lining, again pin is stuck in the short groove of L shaped groove, can prevent effectively that others is excellent from dialling lock outdoors.

Claims (2)

1, a kind of double door built-in lock, it comprises lock body (2), (4), handle (17), (18), lock rod (1), (9) and core, it is characterized in that: a thumb wheel (13) is wherein arranged in the lock body; Slideway (3), (14) are arranged in the lock body (2), slideway (19), (20) are arranged in the lock body (4), lock rod (9) is slidingly matched with slideway (14), (20), and lock rod (1) is slidingly matched with slideway (3), (19); Lock rod (1) is gone up and thumb wheel (13) touching position has tooth bar (11).

2, the described double door built-in lock of root a tree name claim 1 is characterized in that: lock rod (9), (1) front end are bullet-headed, and lock rod (9) tail end jug (8) has L shaped groove (7) on the lock rod (9).

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