CN214006863U

CN214006863U - Door leaf opening angle positioning structure of concealed hinge

Info

Publication number: CN214006863U
Application number: CN202022226311.3U
Authority: CN
Inventors: 胡日真
Original assignee: Wanjia Group Co ltd
Current assignee: Wanjia Group Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-08-20
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a door leaf opening angle positioning structure of a hidden hinge, which comprises a mounting frame fixedly connected with a door frame, a rotating shaft connected with the mounting frame, and a rotating connecting piece connected with the rotating shaft, wherein the other end of the rotating connecting piece is connected with the door body; this application is located a default angle through the door leaf that elastic positioning spare will open, only when exerting a great external force, just can close the door leaf to prevent that the door body from closing because of the external factor is abnormal.

Description

Door leaf opening angle positioning structure of concealed hinge

Technical Field

The utility model belongs to the technical field of the hinge, concretely relates to door leaf opening angle location structure of blind hinge.

Background

The hinge as a connecting piece has the characteristics of firm connection and convenient use, and is widely applied to mechanical products and daily necessities; the hinge among the prior art is of a lot of kinds, especially in recent years, along with the rapid development of door industry, is applied to the hinge of door body connection and constantly emerges new technology, like chinese patent a novel hidden hinge, the application number is: 200720091872.9, discloses including hiding casing and rotation connecting piece, its characterized in that: the hinge also comprises a rotating shaft and a slideway locking plate; the slideway locking plate is provided with a positioning shaft hole and a slideway, an opening at one end of the slideway is communicated with the positioning shaft hole, and an opening at the other end of the slideway is arranged on one side of the slideway locking plate; the width of an opening of the slide way communicated with the positioning shaft hole is smaller than the diameter of the positioning shaft hole; an upper slideway locking plate and a lower slideway locking plate are fixed in the hidden shell; the rotating shaft comprises a main shaft body, an upper end part and a lower end part, wherein the upper end diameter of the upper end part is larger than the lower end diameter of the upper end part, and the upper end diameter of the lower end part is larger than the lower end diameter of the lower end part; the upper end part and the lower end part of the rotating shaft are respectively arranged in positioning shaft holes of the upper slideway lock position plate and the lower slideway lock position plate; one end of the rotating connecting piece is fixedly connected to the side surface of the main shaft body of the rotating shaft;

the above structure has drawbacks in that: after the door is installed, the door body is not provided with an angle opening positioning structure, and is easily closed by external factors such as wind and the like during opening, so that troubles are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door leaf opening angle location structure of blind hinge to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a door leaf opening angle location structure of hidden hinge, includes the mounting bracket with door frame fixed connection, still includes the axis of rotation of connecting on the mounting bracket to and the rotation connecting piece of being connected with the axis of rotation, the other end and the door body coupling of rotation connecting piece, be formed with the hidden storehouse that is used for holding the rotation connecting piece on the mounting bracket, still include elastic positioning element, be formed with the joint groove on the rotation connecting piece, the elastic positioning element joint in the joint inslot so that door leaf and door frame form one and predetermine the angle, only when applying a great external force, just can close the door leaf, thereby prevent that the door body from closing because of the external factor is abnormal.

Preferably, the mounting bracket comprises two connecting lugs which are arranged up and down, the two connecting lugs are respectively and vertically connected with a connecting plate, and the rotating shaft is connected between the two connecting plates.

Preferably, a rotating shaft connecting part extends from the connecting plate, and the rotating shaft is connected with the rotating shaft connecting part.

Preferably, the connecting plate is of a fan-shaped structure.

Preferably, the elastic positioning piece comprises an articulated shaft and a blocking plate, one end of the blocking plate is sleeved on the articulated shaft, torsion springs are arranged at the upper end and the lower end of the blocking plate respectively, one end of each torsion spring is connected with the blocking plate, and the other end of each torsion spring is connected to a connecting lug of the mounting frame.

Preferably, the other end of the barrier plate is formed with a cylindrical clamping portion.

Compared with the prior art, the beneficial effects of the utility model are that:

this application is located a default angle through the door leaf that elastic positioning spare will open, only when exerting a great external force, just can close the door leaf to prevent that the door body from closing because of the external factor is abnormal.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the installation structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a door leaf opening angle positioning structure of a hidden hinge as shown in figure 1-2, which comprises a mounting frame 1 fixedly connected with a door frame, a rotating shaft 2 connected with the mounting frame, and a rotating connecting piece 3 connected with the rotating shaft, wherein the other end of the rotating connecting piece is connected with the door body, a hidden bin 4 for accommodating the rotating connecting piece is formed on the mounting frame, an elastic positioning piece is also included, a clamping groove 5 is formed on the rotating connecting piece, the elastic positioning piece is clamped in the clamping groove to ensure that the door leaf and the door frame form a preset angle, the door leaf can be closed only when a larger external force is applied, thereby preventing the door body from being abnormally closed due to external factors, the mounting frame comprises two connecting lugs 6 which are arranged up and down, two connecting lugs are respectively and vertically connected with a connecting plate 7, and the rotating shaft is connected between the two connecting plates, extend a rotation axis connecting portion 8 on the connecting plate, the axis of rotation is connected with rotation axis connecting portion, and the connecting plate is fan-shaped structure, and elastic positioning spare includes articulated shaft 9 and baffler board 10, the one end of baffler board 10 cup joint in on the articulated shaft, just be provided with torsional spring 11 on the upper and lower both ends of baffler board respectively, the one end and the baffler of torsional spring 11 are connected, and the other end is connected on the engaging lug of mounting bracket, the other end of baffler board is formed with cylindricality joint portion 12.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a door leaf opening angle location structure of blind hinge which characterized in that: include the mounting bracket with door frame fixed connection, still including connecting the axis of rotation on the mounting bracket to and the rotation connecting piece of being connected with the axis of rotation, the other end and the door body coupling of rotation connecting piece, be formed with the hidden storehouse that is used for holding the rotation connecting piece on the mounting bracket, still include elastic positioning element, be formed with the joint groove on the rotation connecting piece, the elastic positioning element joint in the joint inslot so that door leaf and door frame form a predetermined angle, only when applying a great external force, just can close the door leaf, thereby prevent that the door body from closing because of the external factor is abnormal.

2. The door opening angle positioning structure of a blind hinge according to claim 1, wherein: the mounting bracket comprises two connecting lugs which are arranged from top to bottom, the two connecting lugs are respectively and vertically connected with a connecting plate, and the rotating shaft is connected between the two connecting plates.

3. The door opening angle positioning structure of a blind hinge according to claim 2, wherein: a rotating shaft connecting part extends from the connecting plate, and the rotating shaft is connected with the rotating shaft connecting part.

4. The door opening angle positioning structure of a blind hinge according to claim 2, wherein: the connecting plate is of a fan-shaped structure.

5. The opening angle positioning structure of a door leaf of a blind hinge according to any one of claims 2 to 4, wherein: elastic positioning element includes articulated shaft and baffler board, the one end of baffler board cup joint in on the articulated shaft, just be provided with the torsional spring on the upper and lower both ends of baffler board respectively, the one end and the baffler of torsional spring are connected, and the other end is connected on the engaging lug of mounting bracket.

6. The door opening angle positioning structure of a blind hinge according to claim 5, wherein: the other end of the separation plate is provided with a cylindrical clamping part.