CN215169037U

CN215169037U - Hinge structure and wall hidden door mounting structure

Info

Publication number: CN215169037U
Application number: CN202120252811.6U
Authority: CN
Inventors: 范长强
Original assignee: Program Metal Products Zhuhai Co ltd
Current assignee: Program Metal Products Zhuhai Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-12-14
Anticipated expiration: 2031-01-28

Abstract

The utility model provides a hinge structure and a wall hidden door mounting structure, wherein the hinge structure comprises a first fixed hinge, a movable hinge and a second fixed hinge, and the first fixed hinge and the second fixed hinge are respectively connected at two ends of the movable hinge; the movable hinge comprises a first side wall, a second side wall, a third side wall, a fourth side wall and a fifth side wall which are sequentially connected, the second side wall and the fourth side wall are arranged in parallel, the third side wall is respectively arranged opposite to the first side wall and the fifth side wall, an opening is formed between the first side wall and the fifth side wall, the first side wall is provided with a first rotating shaft, the movable hinge can rotate around the first rotating shaft, the fifth side wall is provided with a second rotating shaft, the second fixed hinge can rotate around the second rotating shaft, and the first rotating shaft and the second rotating shaft are arranged in parallel and are respectively positioned on two sides of the opening; the wall hidden door mounting structure comprises a door frame, a door plate and at least two hinge structures. The utility model discloses enable 180 openings of door plant, have simple structure, convenient operation's advantage.

Description

Hinge structure and wall hidden door mounting structure

Technical Field

The utility model relates to a hinge technical field specifically relates to a hinge structure and wall body hidden door mounting structure.

Background

In the decoration design of the wall body, in order to achieve the beautiful effect, the positions of the tail ends of the electromechanical devices need to be integrated, and the electromechanical devices need to be arranged in a concealed mode. Among them, the hidden electrical equipment boxes and hidden fire hydrant boxes in subway stations are more common. The traditional method is to open a hole in the wall, place hidden electrical equipment box or hidden fire hydrant box in the hole to adopt the door plant to seal the hole openly and shut, the door plant generally with set up decorative layers such as enamel plate on the wall surface parallel and level, form the hidden door.

The traditional hidden door can be opened outwards generally, the opening angle of the traditional hidden door is an obtuse angle, and when the electric equipment or the fire fighting equipment is taken or checked, the opened hidden door can prevent workers from carrying out related operations, so that inconvenience is brought to the workers.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose provides a hinge structure that enables 180 degrees openings of door plant.

The utility model discloses a second purpose provides a wall body hidden door mounting structure who contains above-mentioned hinge structure.

In order to achieve the first purpose, the utility model provides a hinge structure, which comprises a first fixed hinge, a movable hinge and a second fixed hinge, wherein the first fixed hinge and the second fixed hinge are respectively connected with two ends of the movable hinge; the movable hinge comprises a first side wall, a second side wall, a third side wall, a fourth side wall and a fifth side wall which are sequentially connected, the second side wall and the fourth side wall are arranged in parallel, the third side wall is respectively opposite to the first side wall and the fifth side wall, an opening is formed between the first side wall and the fifth side wall, a first rotating shaft is arranged at one end, close to the opening, of the first side wall, the movable hinge can rotate around the first rotating shaft relative to the first fixed hinge, a second rotating shaft is arranged at one end, close to the opening, of the fifth side wall, the second fixed hinge can rotate around the second rotating shaft relative to the movable hinge, and the first rotating shaft and the second rotating shaft are arranged in parallel and are respectively located on two sides of the opening.

According to the above technical scheme, the utility model discloses a movable hinge can be around first pivot relative first fixed hinge rotatory 90, and the fixed hinge of second can be around the relative movable hinge of second pivot rotatory 90, first fixed hinge and door frame fixed connection, the fixed hinge of second and door plant fixed connection for the door plant can be relative first fixed hinge and the door frame rotatory 180, realizes that 180 outwards open functions of door plant, makes things convenient for the staff to take or check the interior equipment of box, the utility model has the advantages of simple structure, convenient operation.

The further scheme is that a cavity is formed inside the movable hinge, the opening is communicated with the cavity, and the cavity has different widths on two sides of the opening.

Further, the first side wall and the fifth side wall are arranged in parallel, and the distance from the third side wall to the first side wall is smaller than the distance from the third side wall to the fifth side wall.

The further scheme is that the first fixed hinge is located outside the cavity, and the second fixed hinge is located in the cavity.

The first fixed hinge comprises a first arm and a second arm which are perpendicular to each other, and the first arm is hinged to the movable hinge.

In order to realize foretell second purpose, the utility model provides a wall body hidden door mounting structure, including door frame, door plant and at least two hinge structure as above, the door plant passes through hinge structure and articulates on the door frame.

The further scheme is that a fixing piece is arranged on one inward side of the door frame and connected between the wall body and the door frame.

The further scheme is that two door plates are arranged and hinged on two sides of the door frame.

Drawings

Fig. 1 is a front view of the wall hidden door mounting structure of the present invention.

Fig. 2 is a cross-sectional view at a-a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 2.

Fig. 4 is a schematic view of one of the door panels opened in the embodiment of the wall-concealed door installation structure of the present invention.

Fig. 5 is an enlarged view at C in fig. 4.

Fig. 6 is a structural diagram of an embodiment of the hinge structure of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 and 2, the utility model provides a wall body hidden door mounting structure includes door frame 2, two door plants 3 and four hinge structures, and door plant 3 articulates on door frame 2 through hinge structure, and two door plants 3 are located the both sides of door frame 2 respectively, and two door plants 3 all can outwards 180 open, and two hinge structures arrange along the direction of height of door plant 3 and arrange.

The wall body 1 is provided with a door opening 11, a box body can be placed in the door opening 11, the door frame 2 is arranged on the outer side of the door opening 11, an accommodating space is arranged between the door frame 2 and the wall body 1, and a fixing part 4 is arranged in the accommodating space. The fixing piece 4 is set to be L-shaped, the first end of the fixing piece 4 is fixedly connected with the surface of the wall body 1, and the second end of the fixing piece 4 is fixedly connected with the hinge structure or the door frame 2.

Referring to fig. 3 and 6, the hinge structure includes a first fixed hinge 5, a movable hinge 6, and a second fixed hinge 7, the first fixed hinge 5 is connected to the first ends of the door frame 2 and the movable hinge 6, respectively, and the second fixed hinge 7 is connected to the second ends of the door panel 3 and the movable hinge 6, respectively.

Specifically, the first fixing hinge 5 includes a first arm 51 and a second arm 52 perpendicular to each other, the first arm 51 is fixedly connected to one end of the fixing member 4 away from the wall 1, and the second arm 52 is fixedly connected to the inner side wall of the door frame 2.

The projection of the movable hinge 6 on the horizontal plane is approximately a hollow rectangle, and a cavity 61 is arranged inside the movable hinge 6. The movable hinge 6 comprises a first side wall 62, a second side wall 63, a third side wall 64, a fourth side wall 65 and a fifth side wall 66 which are connected in sequence, the second side wall 63 and the fourth side wall 65 are arranged oppositely and parallelly, the third side wall 64 is respectively arranged oppositely and parallelly with the first side wall 62 and the fifth side wall 66, an opening 67 is arranged between the first side wall 62 and the fifth side wall 66, the opening 67 is communicated with the cavity 61, the second fixed hinge 7 is hinged with the fifth side wall 66 and is located in the cavity 61, one end of the door panel 3 is provided with a bending part 31, the bending part 31 is perpendicular to the outer surface of the door panel 3, and the bending part 31 extends into the cavity 61 and is connected with the second fixed hinge 7. The cavity 61 has different widths on both sides of the opening 67, i.e. the distance of the third side wall 64 to the first side wall 62 is smaller than the distance of the third side wall 64 to the fifth side wall 66.

The first fixed hinge 5 is located outside the cavity 61 and the length of the second arm 52 is greater than the length of the first side wall 62, so that there is a sufficient safety distance between the second side wall 63 and the first arm 51. The end of the first side wall 62 close to the opening 67 is provided with a first rotating shaft 8, and the end of the second arm 52 is movably connected with the first rotating shaft 8, so that the movable hinge 6 can rotate around the first rotating shaft 8 relative to the first fixed hinge 5.

The second fixed hinge 7 is located inside the cavity 61, and the length of the second fixed hinge 7 is smaller than the distance from the third side wall 64 to the fifth side wall 66, so that the free end of the second fixed hinge 7 has a sufficient safety distance from the cavity wall of the cavity 61. One end of the fifth side wall 66 close to the opening 67 is provided with a second rotating shaft 9, and the end of the second fixed hinge 7 is movably connected with the second rotating shaft 9, so that the second fixed hinge 7 can rotate around the second rotating shaft 9 relative to the movable hinge 6. The first and second rotating

shafts

8 and 9 are arranged in parallel and located at both sides of the opening 67, respectively.

When the door panel 3 is in the closed state, the door panel 3 is flush with the surface of the doorframe 2, at this time, the first side wall 62, the third side wall 64, the fifth side wall 66, the door panel 3 and the doorframe 2 are parallel to each other, and the second fixed hinge 7 is perpendicular to the fifth side wall 66.

Referring to fig. 4 and 5, the door panel 3 may be opened outward 180 ° if necessary, such that the door panel 3 is parallel to and spaced a predetermined distance from the doorframe 2. At this time, the movable hinge 6 rotates 90 ° in the horizontal plane, that is, the first side wall 62, the third side wall 64, and the fifth side wall 66 are perpendicular to the door frame 2, and the second fixed hinge rotates 90 ° in the horizontal plane, that is, the bent portion 31 and the second fixed hinge 7 are parallel to the fifth side wall 66.

To sum up visibly, the utility model discloses a movable hinge can be around first pivot relative first fixed hinge rotatory 90, and the fixed hinge of second can be around the relative movable hinge of second pivot rotatory 90, first fixed hinge and door frame fixed connection, the fixed hinge of second and door plant fixed connection for the door plant can be relative first fixed hinge and the door frame rotatory 180, realizes 180 outwards opening functions of door plant, makes things convenient for the staff to take or check the interior equipment of box, the utility model has the advantages of simple structure, convenient operation.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.

Claims

1. A hinge structure is characterized by comprising a first fixed hinge, a movable hinge and a second fixed hinge, wherein the first fixed hinge and the second fixed hinge are respectively connected to two ends of the movable hinge;

the movable hinge comprises a first side wall, a second side wall, a third side wall, a fourth side wall and a fifth side wall which are sequentially connected, the second side wall and the fourth side wall are arranged in parallel, the third side wall is respectively arranged opposite to the first side wall and the fifth side wall, an opening is formed between the first side wall and the fifth side wall, the first side wall is close to one end of the opening and is provided with a first rotating shaft, the movable hinge can wind the first rotating shaft opposite to the first fixed hinge, the fifth side wall is close to one end of the opening and is provided with a second rotating shaft, the second fixed hinge can wind the second rotating shaft opposite to the movable hinge, and the first rotating shaft and the second rotating shaft are arranged in parallel and are respectively located on two sides of the opening.

2. The hinge structure according to claim 1, wherein:

the movable hinge is characterized in that a cavity is formed inside the movable hinge, the opening is communicated with the cavity, and the two sides of the opening of the cavity are different in width.

3. The hinge structure according to claim 2, wherein:

the first side wall and the fifth side wall are arranged in parallel, and the distance from the third side wall to the first side wall is smaller than the distance from the third side wall to the fifth side wall.

4. The hinge structure according to claim 3, wherein:

the first fixed hinge is located outside the cavity, and the second fixed hinge is located inside the cavity.

5. The hinge structure according to claim 4, wherein:

6. Wall body hidden door mounting structure, its characterized in that: comprising a door frame, a door panel and at least two hinge structures according to any one of claims 1 to 5, said door panel being hinged to said door frame by means of said hinge structures.

7. The wall hidden door mounting structure of claim 6, wherein:

the inward side of the door frame is provided with a fixing piece, and the fixing piece is connected between the wall body and the door frame.

8. A wall blank door mounting structure according to claim 7, wherein:

the door plate is divided into two door plates, and the two door plates are hinged on two sides of the door frame.