CN201125617Y

CN201125617Y - Automatic close door hinge

Info

Publication number: CN201125617Y
Application number: CNU2007200152118U
Authority: CN
Inventors: 吕图
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-10
Filing date: 2007-10-10
Publication date: 2008-10-01
Anticipated expiration: 2017-10-10

Abstract

The utility model discloses a hinge for automatically closing door, comprising two hinges, one hinge is fixed on the door, the other is fixed on the door frame, the hinge fixed on the door is sheathed on the hinge fixed on the door frame and rotates using the shaft lever of the hinge fixed on the door frame as the rotation axis; the shaft lever of the hinge fixed on the door frame is arranged a helicoid, a fixed mortise lock is arranged on the hinge fixed on the door, and the mortise lock is lap jointed on the helicoid. When using, the door can automatically open if there is outside force; if the outside force disappears, the door can automatically close under the effect of the self-gravity of the door and the helicoid. The utility model has the advantages of simple structure, convenient use, and reasonable construction, which effectively solves the problem that the door can not close automatically using the existing hinges.

Description

Automatically close door hinge

Technical field

The utility model relates to a kind of daily necessities, especially a kind of can be at the automatic pass door hinge under the no external force effect.

Technical background is existing mostly to be connected with doorframe by the mistake hinge with the door that once had, but the drawback that existing hinge exists is under no external force effect door to be shut automatically, when people go out, if forget and close the door, door will open wide always, has brought inconvenience for people's life.

Summary of the invention

The purpose of this utility model has overcome above-mentioned said deficiency, and a kind of automatic pass door hinge that is convenient for people to use is provided.

For achieving the above object, the utility model closes door hinge automatically, comprises two hinges, a hinge is fixed on the door, another hinge is fixed on the doorframe, and the hinge that is fixed on the door is sleeved on the hinge that is fixed on the doorframe, and serves as that axle rotates to be fixed on axostylus axostyle on the doorframe hinge; On the axostylus axostyle that is fixed on hinge on the doorframe, be provided with helicoid, and on the hinge that is fixed on door, be provided with fixedly mortise lock, and mortise lock is overlapped on the helicoid.

After adopting said structure, when the external force effect was opened the door, the hinge that is fixed on the door rotated counterclockwise, and mortise lock can equidirectional rotation on helicoid, drive the hinge be fixed on the door and door simultaneously and rotate together and rise, make the kinetic energy of rotation convert potential energy to and store; When external force disappeared, the potential energy of depositing discharged under the effect of door self gravitation, and under the effect of helicoid, door clockwise rotates decline, and door is shut automatically.

The utility model has the advantages that: simple in structure, easy to use, structure has rationally effectively solved the problem that existing hinge can not be closed door automatically.

Description of drawings

Fig. 1 closes the overall structure schematic diagram of door hinge automatically for the utility model.

The specific embodiment

As shown in Figure 1, the utility model closes door hinge automatically, comprises hinge 1-1 and hinge 1-2, and hinge 1-1 is fixed on the door, and hinge 1-2 is fixed on the doorframe, and hinge 1-1 is sleeved on the hinge 1-2, and serves as that axle rotates with the axostylus axostyle on the hinge 1-2 2; On the axostylus axostyle 2 of hinge 1-2, be provided with helicoid 3, and on hinge 1-1, be provided with fixedly mortise lock 4, and mortise lock 4 is overlapped on the helicoid.

Claims

1, a kind of automatic pass door hinge, comprise hinge (1-1) and hinge (1-2), it is characterized in that: hinge (1-1) is fixed on the door, and hinge (1-2) is fixed on the doorframe, hinge (1-1) is sleeved on the hinge (1-2), and serves as that axle rotates with the axostylus axostyle (2) on the hinge (1-2); On the axostylus axostyle (2) of hinge (1-2), be provided with helicoid (3), and on hinge (1-1), be provided with fixedly mortise lock (4), and mortise lock (4) is overlapped on the helicoid.