CN217380160U

CN217380160U - Tumbler blind hinge

Info

Publication number: CN217380160U
Application number: CN202123074616.8U
Authority: CN
Inventors: 李泽华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-04
Filing date: 2021-12-04
Publication date: 2022-09-06
Anticipated expiration: 2031-12-04

Abstract

The utility model discloses a rocking arm blind hinge, it comprises door leaf mount pad, rocking arm hinge subassembly two parts. The door leaf mounting seat is composed of a base, a hanging pin and safety screw holes, the base is provided with base mounting feet of a first vertical plate, a second vertical plate and two vertical plates perpendicular to the first vertical plate, the base mounting feet are at least provided with waist circular inclined plane long holes and two screw holes of four parallel hinge rotation axis axial lines, at least two hanging pin holes are formed in the two vertical plates, the hanging pin is installed in the hanging pin holes in an interference fit mode, at least one safety screw hole is formed in the first vertical plate, and the rotating arm hinge assembly is inserted into a hanging groove opening through a T-shaped inserting hole, connected with the hanging pin in the two vertical plates of the door leaf mounting seat in an inserting mode and fixed by a safety screw. Four waist-round inclined plane slot holes parallel to the rotation axis of the hinge are designed on the base mounting feet, and the purpose is to enable the rotating arm concealed hinge to move along the rotation axis direction of the hinge when the rotating arm concealed hinge is mounted.

Description

Tumbler blind hinge

Technical Field

The utility model relates to a rocking arm blind hinge belongs to five metals class product.

Background

Hinges are an important component of door products. The existing common rotating arm hinge for the anti-theft door adopts a common rotating shaft direction hinge as an installation and fixing mode, and a door leaf installation seat and a rotating arm are fixedly installed and connected by a plurality of screws and are not easy to disassemble and assemble. In addition, the market demands for high-grade security doors in recent years, more and more applications for concealed hinges are being increasingly applied. The concealed hinge is generally a rotating arm hinge with a rotating shaft on a door frame, and usually, a rotating arm hinge, a rotating arm box and the door frame are connected in a welding mode. The structure is unreasonable, the installation and debugging of the door leaf are troublesome, the rigidity of the rotating arm is poor, and the door leaf is easy to droop. Therefore, the rotary arm blind hinge which is convenient to assemble, debug and install, is opened more flexibly and can bear heavy door leaves is more important to develop and design.

SUMMERY OF THE UTILITY MODEL

Based on the above product defect and requirement, the to-be-solved technical problem of the utility model is to provide a rocking arm blind hinge structure.

The following is the technical proposal adopted by the utility model:

a rotary arm blind hinge is composed of a door leaf mounting seat and a rotary arm hinge assembly. The door leaf mounting seat is composed of a base, a hanging pin and a safety screw. The base is equipped with the pedestal mounting foot of first riser, second riser and two risers of perpendicular to, is equipped with the oval inclined plane slot hole and two screws of four parallel hinge axis of rotation axial lead on the pedestal mounting foot at least, is equipped with two at least on two risers and hangs the pinhole and install the hanging pin, hangs the round pin and hangs pinhole interference fit installation, is equipped with a insurance screw on the first riser, and rocking arm hinge subassembly is inserted through the T type and is hung the notch and insert to hang with the hanging pin on two risers of door leaf mount pad and be connected and fixed by the safety screw. The base mounting leg is designed with four waist-round inclined plane slot holes parallel to the rotation axis of the hinge, and the purpose is to enable the rotating arm blind hinge to move along the rotation axis direction of the hinge when the rotating arm blind hinge is mounted.

Further: the rotating arm hinge assembly at least comprises a door frame hinge plate, a door leaf hinge rotating arm, a rotating shaft and a gasket. The outer extension part of the pivoted arm of the door leaf hinge is provided with T-shaped inserting and hanging notches and safety holes with the same quantity as the hanging pins on the base, and the two ends of the rotating shaft of the pivoted arm hinge assembly are riveted or welded with the upper end and the lower end of the door frame hinge plate into a whole.

Further: at least one arc-shaped surface concentric with the rotating shaft is designed between the outer extension part of the door leaf hinge rotating arm and the outward extension surface of the circle rolling hole part, so that an arc-shaped groove is formed to increase the rotating angle of the rotating arm by the abdicating of the real rotating arm and the door.

Further: the door frame hinge plate is provided with a yielding notch of the arc-shaped surface of the door leaf hinge rotating arm, and a group of mounting holes for connecting the door frame hinge plate and a door frame are designed on two sides of the yielding notch. The mounting holes can be light holes or screw holes according to the mounting mode.

The utility model has the advantages that: the rocking arm hinge subassembly and the door leaf mount pad loading and unloading are convenient, and the insurance screw passes the insurance hole and fixes rocking arm hinge subassembly on the door leaf mount pad and play the effect of insurance, prevents that rocking arm hinge subassembly from taking off the round pin. The spacer makes the rocking arm rotate light nimble when loading, plays the plane bearing effect, improves rocking arm hinge assembly's bearing capacity. In addition, both ends of a rotating shaft of the rotating arm hinge assembly are riveted or welded with the upper end and the lower end of the doorframe hinge plate into a whole, so that the bearing capacity of the rotating arm hinge assembly is increased, the hinge is prevented from sagging under stress, and the service life of the hinge is prolonged.

Drawings

FIG. 1 is a perspective view illustrating an assembly of a hidden hinge of a boom;

fig. 2 is a bottom exploded perspective view of the swivel blind hinge;

FIG. 3 is a perspective illustration of the swivel arm hinge assembly and the door leaf mount;

fig. 4 is an explanatory view of a base structure of the door mounting base.

Detailed Description

The present invention will be further described with reference to the accompanying drawings 1-4, in conjunction with the embodiments. The rotating arm concealed hinge consists of a door leaf mounting seat (1) and a rotating arm hinge assembly (2). The door leaf mounting seat (1) is composed of a base (1-1), a hanging pin (1-2) and a safety screw (1-3). The base (1-1) is provided with a first vertical plate (1-1-1), a second vertical plate (1-1-2) and base mounting feet (1-1-3) vertical to the two vertical plates. The base mounting feet (1-1-3) are at least provided with four waist-round inclined plane long holes (1-1-4) parallel to the axial lead of the hinge rotating shaft (2-3) and two screw holes (1-1-5), the two vertical plates are at least provided with two hanging pin holes (1-1-6) and are provided with hanging pins (1-2), and the hanging pins (1-2) and the hanging pin holes (1-1-6) are installed in an interference fit mode. At least one safety screw hole (1-1-7) is arranged on the first vertical plate (1-1-1), and the rotating arm hinge assembly (2) is inserted and hung with hanging pins (1-2) on two vertical plates of the door leaf mounting seat (1) through T-shaped inserting and hanging notches (2-2-2) and is fixed by safety screws (1-3). Four waist-round inclined plane slot holes (1-1-4) parallel to the rotation axis of the hinge are designed on the base mounting feet (1-1-3), and the purpose is to enable the tumbler concealed hinge to move along the rotation axis direction of the hinge when the tumbler concealed hinge is mounted.

The rotating arm hinge assembly (2) at least comprises a door frame hinge plate (2-1), a door leaf hinge rotating arm (2-2), a rotating shaft (2-3) and a gasket (2-4), wherein T-shaped inserting and hanging notches (2-2-2) and safety holes (2-2-3) with the same number as that of hanging pins (1-2) on the base (1-1) are arranged on the outer extending part (2-2-1) of the door leaf hinge rotating arm (2-2-2), and two ends of the rotating shaft (2-3) of the rotating arm hinge assembly (2) are riveted or welded with the upper end and the lower end of the door frame hinge plate (2-1) into a whole.

Preferably: at least one arc-shaped surface (2-2-5) concentric with the rotating shaft (2-3) is designed between the outer extension part (2-2-1) and the outward extension surface (2-2-4) of the edge rolling hole part of the door leaf hinge rotating arm (2-2), so that an arc-shaped groove (2-2-6) is formed to increase the rotating angle of the rotating arm by the abdication of the actual rotating arm and the door.

Preferably: the door frame hinge plate (2-1) is provided with a yielding notch (2-1-1) of an arc-shaped surface (2-2-5) of a door leaf hinge rotating arm (2-2), and a group of mounting holes (2-1-2) for connecting the door frame hinge plate (2-1) and the door frame are arranged on two sides of the yielding notch (2-1-1). The mounting holes (2-1-2) can be unthreaded holes or screw holes according to the mounting mode.

The tumbler hinge assembly (2) is convenient to assemble and disassemble with the door leaf mounting seat (1), and the safety screw (1-3) penetrates through the safety hole (2-2-3) to fix the tumbler hinge assembly (2) on the door leaf mounting seat (1) to play a safety role and prevent the tumbler hinge assembly (2) from being out of pin. The spacers (2-4) enable the rotating arm to rotate easily and flexibly when being loaded, play a role of a plane bearing and improve the bearing capacity of the rotating arm hinge assembly (2). In addition, two ends of a rotating shaft (2-3) of the rotating arm hinge assembly (2) are riveted or welded with the upper end and the lower end of the door frame hinge plate (2-1) into a whole, so that the bearing capacity of the rotating arm hinge assembly (2) is increased, the hinge is prevented from sagging under stress, and the service life of the hinge is prolonged.

Finally, it should be noted that the above-mentioned embodiments illustrate only preferred embodiments of the invention. It is clear that it is not limited to the above embodiments, but that many variations are possible. All structural, conceptual and geometric modifications that may occur to one skilled in the art to which the disclosure pertains, whether directly or indirectly derived from the disclosure, are deemed to be within the scope of the invention.

Claims

1. The utility model provides a rocking arm blind hinge, it comprises door leaf mount pad (1), rocking arm hinge subassembly (2) two parts, characterized by: the door leaf mounting seat (1) comprises a base (1-1), hanging pins (1-2) and safety screws (1-3), wherein the base (1-1) is provided with a first vertical plate (1-1-1), a second vertical plate (1-1-2) and base mounting feet (1-1-3) vertical to the two vertical plates, the base mounting feet (1-1-3) are at least provided with a waist circular inclined plane long hole (1-1-4) and two screw holes (1-1-5) parallel to the axial line of a hinge rotating shaft (2-3), the two vertical plates are at least provided with two hanging pin holes (1-1-6) and are provided with the hanging pins (1-2), and the hanging pins (1-2) and the hanging pin holes (1-1-6) are installed in an interference fit manner, at least one safety screw hole (1-1-7) is formed in the first vertical plate (1-1-1), and the rotating arm hinge assembly (2) is connected with hanging pins (1-2) on two vertical plates of the door leaf mounting seat (1) in an inserting and hanging mode through a T-shaped inserting and hanging groove opening (2-2-2) and fixed through safety screws (1-3).

2. A tumbler blind hinge according to claim 1, wherein: the rotating arm hinge assembly (2) at least comprises a door frame hinge plate (2-1), a door leaf hinge rotating arm (2-2), a rotating shaft (2-3) and a gasket (2-4), wherein T-shaped inserting and hanging notches (2-2-2) and safety holes (2-2-3) with the same number as that of hanging pins (1-2) on the base (1-1) are arranged on the outer extending part (2-2-1) of the door leaf hinge rotating arm (2-2-2), and two ends of the rotating shaft (2-3) of the rotating arm hinge assembly (2) are riveted or welded with the upper end and the lower end of the door frame hinge plate (2-1) into a whole.

3. A tumbler blind hinge according to claim 2, wherein: at least one arc-shaped surface (2-2-5) concentric with the rotating shaft (2-3) is designed between the outer extension part (2-2-1) of the door leaf hinge rotating arm (2-2) and the outward extension surface (2-2-4) of the edge rolling hole part to form an arc-shaped groove (2-2-6).

4. A tumbler blind hinge as claimed in claim 2, wherein: the door frame hinge plate (2-1) is provided with a yielding notch (2-1-1) of an arc-shaped surface (2-2-5) of a door leaf hinge rotating arm (2-2), and a group of mounting holes (2-1-2) for connecting the door frame hinge plate (2-1) with the door frame are arranged on two sides of the yielding notch (2-1-1).