Abstract: The present invention discloses a lever handle lock for casement doors and windows, which comprises a first and second lock bodies symmetrically installed at either side of the doors or windows. The first lock body features a first lever handle and a thumb-turn while the second lock body features a second lever handle. The first lock body features a latch bolt locking set and a deadbolt locking set, wherein said latch bolt locking set comprises a locking component and a latch bolt component. Said locking component comprises a spindle connected with the second lever handle; a rotatable member connected with the first lever handle and indirectly with the second lever handle, featuring an upper and lower protrudent blocks, wherein the upper protrudent block associates with the latch bolt component; And a torsion spring sleeved on the axle of the rotatable member.

Abstract: A louver turning mechanism and a hollow glass door or window with a built-in magnetically controllable louver, comprising a turn traction member, a turn transmission member and a slat turning member which are connected in turn, wherein the turn transmission member comprises a slat turning wheel and a joint interlocking mechanism which are used in cooperation, the joint interlocking mechanism is, at one end thereof, eccentrically fixedly connected to the slat turning wheel to drive it to rotate, and, at the other end thereof, connected to the turn traction member through a connecting push rod; the slat turning wheel is coaxially fixedly connected to a horizontal rotation shaft of the slat turning member is provided.

Abstract: A door closer capable of realizing self-control positioning has a cylindrical housing, a piston, a spring and a pull rod; the piston is built in the cylindrical housing and connected and fastened with one end of the pull rod; the pull rod is sheathed in the spring, and the two end parts of the spring respectively are in contact with a sealing lid of the piston and the cylindrical housing; the door closer further has a self-control positioning mechanism having a cylindrical outer sleeve a control part and a locking part; the cylindrical outer sleeve is connected and fastened with the cylindrical housing; the control part and the locking part are linked by a clutch and joined together; the locking part and the pull rod are linked by a clutch, and the pull rod is provided with a series of grooves which can be clasped with the locking part.

Abstract: The present utility model discloses a side-hung door or window single latch lock, comprising: a first lock body and a second lock body disposed on an inner side and an outer side of a door or window and sandwiching the door or window in between, the first lock body including a first handle and the second lock body including a second handle, characterized in that the first lock body further comprises a latch assembly linked to the first handle and controlling opening and closing, and an elastic locking and controlling mechanism respectively linked to the first handle and the second handle to transmissively control the opening and closing of the latch assembly.

Abstract: The invention discloses a sliding handle lock for door and window comprising an inner lock body and an outer lock body, which are installed respectively at each side of the door and window oppositely, an inner handle is provided at said inner lock body, an outer handle and a lock cylinder are provided at said outer lock body; further, a latch bolt lock control mechanism and a dead bolt lock control mechanism are provided at said inner lock body, said latch bolt lock control mechanism is joined with the outer handle through an elongated connectable sheath, and said dead bolt lock control mechanism is joined with the lock cylinder through an elongated connecting slip. Compared with the prior art, the present invention has the following benefits: 1. Simple in structure, fewer in parts, convenience for assembling, easy to open and close door and highly security. 2.

Abstract: The present invention discloses an improved louver turning mechanism and a hollow glass door or window with a built-in magnetically controllable louver, comprising a turn traction member, a turn transmission member and a slat turning member which are connected in turn, wherein the turn transmission member comprises a slat turning wheel and a joint interlocking mechanism which are used in cooperation, the joint interlocking mechanism is, at one end thereof, eccentrically fixedly connected to the slat turning wheel to drive it to rotate, and, at the other end thereof, connected to the turn traction member through a connecting push rod; the slat turning wheel is coaxially fixedly connected to a horizontal rotation shaft of the slat turning member. According to the present invention, the slat turning wheel and the joint interlocking mechanism are used in cooperation to substitute a pull-cord transmission mechanism and a gear transmission mechanism.

Abstract: The invention discloses a door closer capable of realizing self-control positioning, which comprises an elastic mechanism, wherein the elastic mechanism comprises a cylindrical housing, a piston component, a long spring and a pull rod, the piston component is built in the cylindrical housing and connected and fastened with one end of the pull rod, the pull rod is sheathed in the long spring, and the two end parts of the long spring respectively are in contact with a sealing lid of the piston component and the cylindrical housing; and the door closer further comprises a self-control positioning mechanism, the self-control positioning mechanism comprises a cylindrical outer sleeve, a control part and a locking part, the cylindrical outer sleeve is connected and fastened with the cylindrical housing, the control part is and the locking part are linked by a clutch and joined together while connecting, the locking part and the pull rod are linked by a clutch and clasped when locking, and the pull rod is provided w

Abstract: A quickly assemblable mortise lock includes a mortise lock body, characterized in that at least one pair of snap-fitting tabs cooperating with a positioning profile is provided symmetrically on a positioning slot plate at both end sides of the mortise lock body, and in that each of the snap-fitting tabs is spaced apart a proper gap from a lateral cover plate of the mortise lock body. As compared with the prior art, the quickly assemblable mortise lock has the following advantageous effects: 1. the mortise lock is overally simpler in structure and easy to make, and can be processed on the basis of the prior art mortise locks, thereby reducing the production cost; and 2. the mortise lock is universally useable, conveniently and quickly assemblable, and time-saving and labor-saving, thereby improving the efficiency.

Abstract: An adjustable hinge assembly is provided with three dimensional adjustment along X, Y and Z axes. The hinge assembly includes a first leaf mounted to a door or window frame and a second leaf mounted to the door or window. The first and second leaves are pivotally coupled via aligned knuckles for adjustment along the Z axis. The second leaf includes a plate slidably received in a housing. The plate is adjustable along X and Y axes relative to the housing. Adjustments on the X, Y and Z axes can be quickly and easily made using an Allen wrench.

Abstract: The present utility model discloses a side-hung door or window single latch lock, comprising: a first lock body and a second lock body disposed on an inner side and an outer side of a door or window and sandwiching the door or window in between, the first lock body including a first handle and the second lock body including a second handle, characterized in that the first lock body further comprises a latch assembly linked to the first handle and controlling opening and closing, and an elastic locking and controlling mechanism respectively linked to the first handle and the second handle to transmissively control the opening and closing of the latch assembly.

Abstract: The present utility model discloses a side hung type door or window handle lock, comprising a first lock body and a second lock body mounted on inner and outer sides of the door or window and sandwiching the door or window in between, wherein the first lock body comprises a first handle, the second lock body comprises a second handle, in the first lock body is provided an inclined tongue locking and controlling mechanism connected to the first and second handles and controlled by them to open and close, and wherein the inclined tongue locking and controlling mechanism comprises a locking and controlling member and an inclined tongue member which are connected and linked to each other. The handle lock according to the present utility model exhibits a simple structure, a less number of parts, convenient assembling, convenient opening and closing operations, and higher safety performance and universal use.