Self-closing door structure

Abstract

The utility model discloses a self-closing door structure which comprises a supporting stand column, a rotating shaft is movably installed at the top end of a lower installation plate and the bottom end of an upper installation plate through bearings, and one side of the rotating shaft is fixedly connected with a metal door body frame. The rotating shaft is movably installed through the supporting stand column, the metal door body frame is arranged on the outer side of the rotating shaft, the top end and the bottom end of the rotating shaft are supported through the upper installing plate and the lower installing plate, when the rotating shaft rotates, the metal door body frame can be driven to rotate, and one side of the rotating shaft is connected with the top of the supporting stand column through the two-way door opening hinge. Therefore, the metal door body frame can be opened towards the inner side and can also be rotationally opened towards the outer side, after the metal door body frame is opened and passes through the metal door body frame, resetting can be automatically achieved, manual pushing is not needed, and door opening and closing are more convenient.

Description

Technical Field

[0001] The utility model relates to a self-closing door structure and belongs to the technical field of door control. Background Art

[0002] A door refers to the entrance and exit of a building or a device installed at the entrance and exit that can be opened and closed. A door is an entity that divides a limited space. Its function is to connect and close the entrances and exits of two or more spaces. It is also an important guarantee for indoor safety and property. Access control devices are usually installed at the bottom of engineering and garden scenic spots. The existing access control guardrail structure can only be opened to one side, and after opening, the guardrail needs to be manually pushed to reset it. Improvements need to be made to the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a self-closing door structure to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A self-closing door structure includes a supporting column, a lower mounting plate, an upper mounting plate, a two-way door opening hinge, a metal door frame and a bottom plate, wherein the lower mounting plate and the upper mounting plate are fixedly connected to one side of the top of the supporting column, and the lower mounting plate and the upper mounting plate are symmetrically arranged up and down, and a rotating shaft is movably installed at the top end of the lower mounting plate and the bottom end of the upper mounting plate through bearings, and one side of the rotating shaft is fixedly connected to the metal door frame.

[0006] In the above-mentioned self-closing door structure, an inner plate body is arranged inside the metal door body frame, and the top and bottom ends of the inner plate body are welded inside the metal door body frame.

[0007] In the above-mentioned self-closing door structure, two two-way door opening hinges are arranged between the rotating shaft and the supporting column, one of the connecting plates of the two-way door opening hinges is fixed on the inner side of the rotating shaft, and the other connecting plate of the two-way door opening hinges is fixed on the outer wall surface of the supporting column.

[0008] In the above-mentioned self-closing door structure, the bottom end of the supporting column is fixedly connected to the bottom plate, and the corners of the bottom plate are provided with fixing holes, and four fixing holes are provided.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model discloses a self-closing door structure, in which a rotating shaft is movably installed on a supporting column, a metal door frame is arranged on the outside of the rotating shaft, and the top and bottom ends of the rotating shaft are supported by an upper mounting plate and a lower mounting plate. When the rotating shaft rotates, the metal door frame can be driven to rotate, and one side of the rotating shaft is connected to the top of the supporting column through a two-way door opening hinge, so that the metal door frame of the utility model can be opened toward the inside, and can also be rotated toward the outside to open, and after opening and passing through the metal door frame, it can be automatically reset without manual pushing, and the door opening and closing is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a structural schematic diagram of a self-closing door structure.

[0012] In the figure: 1. Support column; 2. Lower mounting plate; 3. Upper mounting plate; 4. Rotating shaft; 5. Two-way door hinge; 6. Inner plate; 7. Metal door frame; 8. Bottom plate; 9. Fixing holes. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] See also Figure 1 , the utility model provides a technical solution of a self-closing door structure:

[0015] A self-closing door structure includes a supporting column 1, a lower mounting plate 2, an upper mounting plate 3, a two-way door opening hinge 5, a metal door frame 7 and a bottom plate 8. The lower mounting plate 2 and the upper mounting plate 3 are fixedly connected to one side of the top of the supporting column 1, and the lower mounting plate 2 and the upper mounting plate 3 are symmetrically arranged up and down. A rotating shaft 4 is movably installed at the top end of the lower mounting plate 2 and the bottom end of the upper mounting plate 3 through bearings, and one side of the rotating shaft 4 is fixedly connected to the metal door frame 7.

[0016] according to Figure 1 As shown, the present application provides a self-closing door structure. Specifically, an inner plate body 6 is provided inside a metal door frame 7 , and the top and bottom ends of the inner plate body 6 are welded to the inside of the metal door frame 7 .

[0017] according to Figure 1As shown, the present application provides a self-closing door structure. Specifically, two two-way door opening hinges 5 are arranged between the rotating shaft 4 and the supporting column 1. One of the connecting plates of the two-way door opening hinges 5 is fixed on the inner side of the rotating shaft 4, and the other connecting plate of the two-way door opening hinge 5 is fixed on the outer wall surface of the supporting column 1. The two-way door opening hinge 5 used in the present application is an existing disclosed structural component, and the automatic door closing function is realized by using the spring principle.

[0018] according to Figure 1 As shown, the present application provides a self-closing door structure. Specifically, the bottom end of the supporting column 1 is fixedly connected to a bottom plate 8, and fixing holes 9 are provided at the corners of the bottom plate 8, and four fixing holes 9 are provided.

[0019] Working principle: the utility model is a self-closing door structure, in which a rotating shaft 4 is movably installed on a supporting column 1, and the location of the supporting column 1 is fixed by a bottom plate 8, and a metal door frame 7 is arranged on the outside of the rotating shaft 4, and the top and bottom ends of the rotating shaft 4 are supported by an upper mounting plate 3 and a lower mounting plate 2. When the rotating shaft 4 rotates, the metal door frame 7 can be driven to rotate, and one side of the rotating shaft 4 is connected to the top of the supporting column 1 through a two-way door opening hinge 5, so that the metal door frame 7 of the present application can be opened toward the inside, and can also be rotated toward the outside to open, and after opening and passing through the metal door frame 7, it can also be automatically reset without manual pushing, and the door opening and closing is more convenient.

[0020] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A self-closing door structure, comprising a support column (1), a lower mounting plate (2), an upper mounting plate (3), a two-way door hinge (5), a metal door frame (7) and a bottom plate (8), characterized in that: A lower mounting plate (2) and an upper mounting plate (3) are fixedly connected to one side of the top of the support column (1), and the lower mounting plate (2) and the upper mounting plate (3) are symmetrically arranged in an upper and lower direction. A rotating shaft (4) is movably mounted on the top end of the lower mounting plate (2) and the bottom end of the upper mounting plate (3) via bearings, and one side of the rotating shaft (4) is fixedly connected to a metal door frame (7).

2. A self-closing door structure according to claim 1, characterized in that: An inner plate body (6) is arranged inside the metal door body frame (7), and the top and bottom ends of the inner plate body (6) are welded to the inside of the metal door body frame (7).

3. A self-closing door structure according to claim 1, characterized in that: Two two-way door hinges (5) are arranged between the rotating shaft (4) and the supporting column (1), one of the connecting plates of the two-way door hinge (5) is fixed on the inner side of the rotating shaft (4), and the other connecting plate of the two-way door hinge (5) is fixed on the outer wall surface of the supporting column (1).

4. A self-closing door structure according to claim 1, characterized in that: The bottom end of the support column (1) is fixedly connected to a bottom plate (8), and fixing holes (9) are provided at the corners of the bottom plate (8), and four fixing holes (9) are provided.

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