A skid-mounted steel structure fence self-closing door

Abstract

The utility model provides a pry-mounted steel structure fence self-closing door, including a first door post, a second door post and a door frame, the first door post and the second door post are arranged correspondingly, and the door frame is arranged between the first door post and the second door post; a fixed plate is arranged on the side of the door frame adjacent to the first door post, the fixed plate is connected to the door frame, a support plate is arranged on the lower part of the side of the door frame adjacent to the first door post, the angle between the support plate and the door frame is 150°, and the support plate is connected to the door frame; the first door post is provided with a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate correspond to the fixing plate and the supporting plate respectively. The utility model utilizes the mutual cooperation between the first connecting plate, the fixing plate, the second connecting plate and the supporting plate, and according to the principle of angle rotation, the pushed-open door frame can automatically bounce back to its original position, so that after the operator enters and exits, the door frame can flexibly close itself, solving the problems of mechanical failures such as jamming, fatigue failure, and accidental falling.

Description

Technical Field

[0001] The utility model relates to a door, in particular to a skid-mounted steel structure fence self-closing door, belonging to the technical field of self-closing doors. Background Art

[0002] Industrial safety doors are routine access doors set up in open openings, ladder openings, stairway openings, roof access holes, and restricted areas where maintenance and repairs are required. Especially when operators need to stand or operate on the platform, they can effectively prevent accidents, such as injuries caused by unstable standing or falling backwards.

[0003] Traditional safety doors require manual operation to close, such as chains, bolts or slides, which pose certain safety risks due to the lack of automatic closing function. Alternatively, the automatic closing function is achieved by using the door shaft eccentricity principle or spring structure. However, these methods may cause operators to feel laborious during operation or face the risk of mechanical failure, such as jamming, fatigue failure or accidental falling. Utility Model Content

[0004] Based on the above background, the purpose of the utility model is to provide a skid-mounted steel structure fence self-closing door that can automatically close, reduce operation time and safety risks and save costs, so as to solve the problems described in the background technology.

[0005] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0006] A skid-mounted steel structure fence self-closing door, comprising a first door post, a second door post and a door frame, wherein the first door post and the second door post are arranged correspondingly, and the door frame is arranged between the first door post and the second door post;

[0007] A fixing plate is arranged on one side of the door frame adjacent to the first door column, the fixing plate is connected to the door frame, a supporting plate is arranged on the lower part of one side of the door frame adjacent to the first door column, the angle between the supporting plate and the door frame is 150°, and the supporting plate is connected to the door frame;

[0008] The first door post is provided with a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate respectively correspond to the fixed plate and the supporting plate, the first connecting plate is rotatably connected to the fixed plate, the second connecting plate is rotatably connected to the supporting plate, and the first connecting plate and the second connecting plate are both connected to the first door post.

[0009] Preferably, a baffle is provided on one side of the door frame adjacent to the second door post, and the baffle is connected to the second door post.

[0010] Preferably, the portal frame includes three first circular tubes, two right-angle elbows and a plurality of second circular tubes, the three first circular tubes are arranged in an N shape, the right-angle elbows are located between adjacent first circular tubes, the right-angle elbows are connected to the first circular tubes, a plurality of the second circular tubes are located between the corresponding two first circular tubes, and the second circular tubes are welded to the first circular tubes.

[0011] Preferably, a connecting piece is provided between the first connecting plate and the fixing plate, and the first connecting plate and the fixing plate are connected via the connecting piece.

[0012] Preferably, the second connecting plate includes a fixed end and a round steel, the fixed end is connected to the first door column, the fixed end is welded to the round steel, the supporting plate is provided with a connecting hole, and the supporting plate is connected to the round steel through the connecting hole.

[0013] Preferably, the fixing plate and the supporting plate are both welded to the portal frame.

[0014] Preferably, the first connecting plate and the second connecting plate are both welded to the first door column.

[0015] Preferably, the baffle is welded to the second door post.

[0016] Preferably, the diameter of the first circular tube is greater than the diameter of the second circular tube.

[0017] The operator pushes the gantry, and the support plate at the bottom of the gantry pushes the gantry upwards through the principle of rotation angle, and the fixed plate at the top of the gantry is connected to the first connecting plate through the connecting piece to move the gantry upwards. When the operator passes the gantry and then lets go, the gantry will automatically drop due to the loss of thrust. The descending gantry stops through the baffle, thus completing the self-closing process. After the operator enters and exits, the gantry can close flexibly and automatically, solving the problems of mechanical failures such as jamming, fatigue failure, and accidental falling.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] The utility model is a skid-mounted steel structure fence self-closing door, which utilizes the mutual cooperation among the first connecting plate, the fixed plate, the second connecting plate and the supporting plate, and according to the principle of angle rotation, the pushed-open door frame can automatically bounce back to its original position, so that after the operator enters and exits, the door frame can flexibly close itself, solving the problems of mechanical failures such as jamming, fatigue failure, accidental falling, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure of part A;

[0023] Figure 3 yes Figure 1 A schematic diagram of the enlarged structure of part B in FIG.

[0024] Figure 4 It is a structural schematic diagram of a fixing plate of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the first connecting plate of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the support plate of the utility model;

[0027] Figure 7 It is a structural schematic diagram of the second connecting plate of the utility model;

[0028] Figure 8 It is a schematic diagram of the position structure of the first connecting plate and the connecting member of the utility model;

[0029] Fig. 9 It is a schematic diagram of the position structure of the second connecting plate and the supporting plate of the utility model.

[0030] In the figure: 1. first door post; 2. second door post; 3. door frame; 301. first round tube; 302. right-angle elbow; 303. second round tube; 4. fixing plate; 5. supporting plate; 6. first connecting plate; 7. second connecting plate; 701. fixed end; 702. round steel; 8. baffle; 9. connecting piece; 10. connecting hole. DETAILED DESCRIPTION

[0031] The technical solution of the utility model is further described in detail below through specific embodiments and in combination with the accompanying drawings. It should be understood that the implementation of the utility model is not limited to the following embodiments, and any form of modification and / or change made to the utility model will fall within the protection scope of the utility model.

[0032] In the present invention, unless otherwise specified, all parts and percentages are weight units, and the equipment and raw materials used can be purchased from the market or are commonly used in the field. The methods in the following embodiments, unless otherwise specified, are conventional methods in the field. The components or equipment in the following embodiments, unless otherwise specified, are universal standard parts or components known to those skilled in the art, and their structures and principles are known to those skilled in the art through technical manuals or conventional experimental methods.

[0033] The following is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. In the following detailed description, for ease of explanation, many specific details are described to provide a comprehensive understanding of the embodiments of the present invention. However, one or more embodiments may also be implemented by those skilled in the art without these specific details.

[0034] like Figure 1 As shown, a skid-mounted steel structure fence self-closing door includes a first door post 1, a second door post 2 and a door frame 3. The first door post 1 and the second door post 2 are arranged correspondingly, and the door frame 3 is arranged between the first door post 1 and the second door post 2.

[0035] The door frame 3 includes three first circular tubes 301 , two right-angle elbows 302 and a plurality of second circular tubes 303 , and the diameter of the first circular tube 301 is greater than the diameter of the second circular tube 303 .

[0036] The three first circular tubes 301 are arranged in an n shape, the right-angle elbows 302 are located between adjacent first circular tubes 301 , the right-angle elbows 302 are connected to the first circular tubes 301 , and the plurality of second circular tubes 303 are located between two corresponding first circular tubes 301 , and the second circular tubes 303 are welded to the first circular tubes 301 .

[0037] like Figure 2-Figure 7 As shown, a fixing plate 4 is arranged on the side of the door frame 3 adjacent to the first door column 1, and the fixing plate 4 is welded to the door frame 3. A supporting plate 5 is arranged on the lower part of the side of the door frame 3 adjacent to the first door column 1, and the angle between the supporting plate 5 and the door frame 3 is 150°, and the supporting plate 5 and the door frame 3 are welded.

[0038] The first door column 1 is provided with a first connecting plate 6 and a second connecting plate 7, which respectively correspond to the fixed plate 4 and the supporting plate 5, the first connecting plate 6 is rotatably connected to the fixed plate 4, the second connecting plate 7 is rotatably connected to the supporting plate 5, and the fixed plate 4 and the supporting plate 5 are both welded to the door frame 3.

[0039] like Figure 8 and Fig. 9 As shown, a connecting member 9 is provided between the first connecting plate 6 and the fixing plate 4 , and the first connecting plate 6 and the fixing plate 4 are connected via the connecting member 9 .

[0040] The second connecting plate 7 includes a fixed end 701 and a round steel 702 . The fixed end 701 is connected to the first door column 1 . The fixed end 701 and the round steel 702 are welded. The supporting plate 5 is provided with a connecting hole 10 . The supporting plate 5 is connected to the round steel 702 through the connecting hole 10 .

[0041] A baffle plate 8 is arranged on one side of the door frame 3 adjacent to the second door column 2 , and the baffle plate 8 is welded to the second door column 2 .

[0042] The operator pushes the gantry 3. At this time, the support plate 5 at the bottom of the gantry 3 pushes the gantry 3 upwards through the principle of rotation angle, and the fixed plate 4 at the top of the gantry 3 is connected to the first connecting plate 6 through the connecting piece 9 to move the gantry 3 upward. When the operator passes the gantry 3 and then lets go, the gantry 3 will automatically fall due to the loss of thrust. The descending gantry 3 stops through the baffle 8, thus completing the self-closing process. After the operator enters and exits, the gantry 3 can close flexibly and automatically, solving the problems of mechanical failures such as jamming, fatigue failure, and accidental falling.

[0043] The operating steps of the utility model of a skid-mounted steel structure fence self-closing door are as follows:

[0044] The operator pushes the gantry 3. At this time, the support plate 5 at the bottom of the gantry 3 pushes the gantry 3 upwards through the principle of rotation angle, and the fixed plate 4 at the top of the gantry 3 is connected with the first connecting plate 6 through the connecting piece 9 to move the gantry 3 upwards. When the operator passes the gantry 3 and then lets go, the gantry 3 loses the thrust and will automatically fall. The falling gantry 3 stops through the baffle 8, completing the self-closing process.

[0045] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A skid-mounted steel structure fence self-closing door, characterized by: The skid-mounted steel structure fence self-closing door comprises a first door post (1), a second door post (2) and a door frame (3), wherein the first door post (1) and the second door post (2) are arranged correspondingly, and the door frame (3) is arranged between the first door post (1) and the second door post (2); A fixing plate (4) is arranged on one side of the door frame (3) adjacent to the first door column (1), and the fixing plate (4) is connected to the door frame (3); a supporting plate (5) is arranged on the lower part of one side of the door frame (3) adjacent to the first door column (1), and the angle between the supporting plate (5) and the door frame (3) is 150°, and the supporting plate (5) is connected to the door frame (3); The first door column (1) is provided with a first connecting plate (6) and a second connecting plate (7), the first connecting plate (6) and the second connecting plate (7) respectively correspond to the fixed plate (4) and the supporting plate (5), the first connecting plate (6) is rotatably connected to the fixed plate (4), the second connecting plate (7) is rotatably connected to the supporting plate (5), and the first connecting plate (6) and the second connecting plate (7) are both connected to the first door column (1).

2. The skid-mounted steel structure fence self-closing door according to claim 1 is characterized by: A baffle plate (8) is arranged on one side of the door frame (3) adjacent to the second door column (2), and the baffle plate (8) is connected to the second door column (2).

3. The skid-mounted steel structure fence self-closing door according to claim 1 is characterized by: The door frame (3) comprises three first circular tubes (301), two right-angle elbows (302) and a plurality of second circular tubes (303); the three first circular tubes (301) are arranged in an n-shape; the right-angle elbows (302) are located between adjacent first circular tubes (301); the right-angle elbows (302) are connected to the first circular tubes (301); the plurality of second circular tubes (303) are located between two corresponding first circular tubes (301); and the second circular tubes (303) are welded to the first circular tubes (301).

4. The skid-mounted steel structure fence self-closing door according to claim 1 is characterized by: A connecting piece (9) is provided between the first connecting plate (6) and the fixing plate (4), and the first connecting plate (6) and the fixing plate (4) are connected via the connecting piece (9).

5. The skid-mounted steel structure fence self-closing door according to claim 1 is characterized by: The second connecting plate (7) comprises a fixed end (701) and a round steel (702), wherein the fixed end (701) is connected to the first door column (1), and the fixed end (701) is welded to the round steel (702), and the supporting plate (5) is provided with a connecting hole (10), and the supporting plate (5) is connected to the round steel (702) via the connecting hole (10).

6. The skid-mounted steel structure fence self-closing door according to claim 1 is characterized by: The fixing plate (4) and the supporting plate (5) are both welded to the door frame (3).

7. The skid-mounted steel structure fence self-closing door according to claim 1 is characterized by: The first connecting plate (6) and the second connecting plate (7) are both welded to the first door column (1).

8. The skid-mounted steel structure fence self-closing door according to claim 2 is characterized by: The baffle plate (8) is welded to the second door post (2).

9. The skid-mounted steel structure fence self-closing door according to claim 3 is characterized by: The diameter of the first circular tube (301) is greater than the diameter of the second circular tube (303).

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