Multi-section type assembled double-leaf subway protective door

Abstract

The utility model discloses a multi-section type assembled double-leaf subway protective door which is characterized in that a connecting assembly is fixedly connected to the protective door, a door frame is fixedly connected to the connecting assembly, U-shaped steel is inserted into the protective door, a safety assembly is fixedly connected to the protective door, an opening and closing assembly is fixedly connected to the protective door, and the protective door comprises an upper protective door body, a middle protective door body and a lower protective door body. Protective door preformed holes are formed in the upper protective door, the middle protective door and the lower protective door correspondingly, the upper protective door, the middle protective door and the lower protective door are connected through U-shaped steel, the protective doors are connected with the door frame through the connecting assembly, the safety assembly comprises an installation plate and a safety chain, one side of the safety assembly is fixedly connected to the upper protective door, the middle protective door and the lower protective door, and the other side of the safety assembly is fixedly connected with a wall. And the opening and closing assembly comprises a shaft column, a handle, an upper insertion rod, a lower insertion rod and a limiting sleeve, convenient fixing and fixing canceling operation are achieved through the opening and closing assembly, and the special installation structure facilitates installation and transportation.

Description

Technical Field

[0001] The utility model relates to a subway protective door, in particular to a multi-section assembled double-leaf subway protective door. Background Art

[0002] With the development of transportation, subways are widely built all over the world. The protective door in the subway tunnel is also a key structure. It can ensure that when an accident occurs in the passage, only the passage on one side of the protective door is damaged. It can also be opened for emergency use.

[0003] Existing subway protective doors generally have a certain weight and volume, which are mechanically unfavorable to use in tunnels, so they are very inconvenient to transport or install. Utility Model Content

[0004] The utility model aims to provide a multi-section assembled double-leaf subway protective door to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-section assembled double-leaf subway protective door, one side of a connecting component is fixedly connected to one side of the protective door, a door frame is fixedly connected to one side of the other side of the connecting component, a U-shaped steel is plugged into one side of the protective door, one side of a safety component is fixedly connected to one side of the protective door, an opening and closing component is fixedly connected to one side of the protective door, the protective door includes an upper protective door, a U-shaped steel is plugged into one side of a protective door reserved hole in the upper protective door, a middle protective door is fixedly connected to one side of the upper protective door by inserting the U-shaped steel into the protective door reserved hole of the middle protective door, and a lower protective door is fixedly connected to one side of the middle protective door by inserting the U-shaped steel into the protective door reserved hole of the lower protective door.

[0006] As a further solution of the utility model: one side of connecting plate 2 is fixedly connected to one side of the protective door, the connecting rod is rotatably connected to the other side of connecting plate 2, the connecting rod passes through the other side of connecting plate 2, and connecting plate 1 is fixedly connected to one side of the connecting rod, and the connecting rod passes through connecting plate 1.

[0007] As a further solution of the utility model: the door frame shell is fixedly connected to one side of the connecting plate, and the connecting tube is fixedly connected to one side of the door frame shell.

[0008] As a further solution of the utility model: the mounting plate is fixedly connected to one side of the protective door, one side of the safety chain is fixedly connected to one side of the mounting plate, and the other side of the safety chain is fixedly connected to the nearest wall.

[0009] As a further solution of the utility model: the shaft column is fixedly connected to one side of the protective door, the handle is rotatably connected to one side of the shaft column, the shaft column passes through the handle, the upper plug rod is rotatably connected to one side of the handle, the lower plug rod is rotatably connected to one side of the handle, the limit sleeve is fixedly connected to one side of the protective door, the upper plug rod passes through the limit sleeve, and the lower plug rod passes through the limit sleeve.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The subway protective door, through the upper protective door, the middle protective door, the lower protective door and the U-shaped steel, can be installed in sections during installation and then transported in sections during splicing or transportation, avoiding the problem of inconvenient installation or transportation in a limited space.

[0012] 2. The subway protective door, through the safety component, protects the upper protective door, the middle protective door and the lower protective door at the same time, and also protects the protective door as a whole, thereby preventing the protective door from being pulled out significantly due to air pressure.

[0013] 3. The subway protective door can realize simple and fast opening and closing functions through the central axis column, handle, upper plug rod, lower plug rod, limit sleeve and connecting tube in the door frame of the opening and closing assembly, avoiding the problem of cumbersome opening and closing operations causing danger in emergency situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front structure of a multi-section assembled double-leaf subway protective door.

[0015] Figure 2 This is a schematic diagram of the left side structure of a multi-section assembled double-leaf subway protective door.

[0016] Figure 3 The diagram is a schematic diagram of the front half-open structure of a multi-section assembled double-leaf subway protective door.

[0017] Figure 4 The present invention is a schematic diagram of the cross-sectional structure of a door panel of a multi-section assembled double-leaf subway protective door.

[0018] Figure 5 This is a schematic diagram of a U-shaped steel structure of a multi-section assembled double-leaf subway protective door.

[0019] In the figure: 1. door frame; 101. door frame shell; 102. connecting tube; 2. protective door; 201. upper protective door; 202. middle protective door; 203. lower protective door; 204. reserved hole for protective door; 3. U-shaped steel; 4. connecting assembly; 401. connecting plate 1; 402. connecting plate 2; 403. connecting rod; 5. safety assembly; 501. mounting plate; 502. safety chain; 6. opening and closing assembly; 601. shaft column; 602. handle; 603. upper plug rod; 604. lower plug rod; 605. limit sleeve; DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 5 In an embodiment of the utility model, a multi-section assembled double-leaf subway protective door includes a protective door 2, one side of a connecting component 4 is fixedly connected to the front side of the protective door 2, a door frame 1 is fixedly connected to the rear side of the other side of the connecting component 4, a U-shaped steel 3 is inserted into the inside of the protective door 2, one side of a safety component 5 is fixedly connected to the front side of the protective door 2, and an opening and closing component 6 is fixedly connected to the front side of the protective door 2.

[0022] The protective door 2 includes an upper protective door 201, a U-shaped steel 3 is inserted into the protective door reserved hole 204 in the upper protective door 201, the middle protective door 202 is fixedly connected to the lower side of the upper protective door 201 through the U-shaped steel 3 inserted into the protective door reserved hole 204 of the middle protective door 202, and the lower protective door 203 is fixedly connected to the lower side of the middle protective door 202 through the U-shaped steel 3 inserted into the protective door reserved hole 204 of the lower protective door 203. When in use, the U-shaped steel 3 is respectively inserted into the protective door reserved hole 204 in the upper protective door 201, the protective door reserved hole 204 in the middle protective door 202 and the protective door reserved hole 204 in the lower protective door 203, so that the upper protective door 201, the middle protective door 202 and the lower protective door 203 are fixedly connected as a whole.

[0023] One side of the second connecting plate 402 is fixedly connected to the front side of the protective door 2, the connecting rod 403 is rotatably connected to the other side of the second connecting plate 402, the connecting rod 403 passes through the other side of the second connecting plate 402, and the connecting plate 1 401 is fixedly connected to the outer side of the connecting rod 403, and the connecting rod 403 passes through the connecting plate 1 401.

[0024] The door frame shell 101 is fixedly connected to the rear side of the connecting plate 1 401 , and the connecting tube 102 is fixedly connected to the front side of the door frame shell 101 . When in use, the protective door 2 can be opened and closed in the door frame shell 101 through the connecting plate 1 401 , the connecting plate 2 402 and the connecting rod 403 .

[0025] The mounting plate 501 is fixedly connected to the front side of the protective door 2 , one side of the safety chain 502 is fixedly connected to the front side of the mounting plate 501 , and the other side of the safety chain 502 is fixedly connected to the nearby wall.

[0026] The shaft column 601 is fixedly connected to the front side of the protective door 2, the handle 602 is rotatably connected to the front side of the shaft column 601, the shaft column 601 passes through the handle 602, the upper insertion rod 603 is rotatably connected to the front side of the handle 602, the lower insertion rod 604 is rotatably connected to the front side of the handle 602, the limiting sleeve 605 is fixedly connected to the front side of the protective door 2, the upper insertion rod 603 passes through the limiting sleeve 605, and the lower insertion rod 604 passes through the limiting sleeve 605. When in use, after closing the protective door 2, press down the handle 602 to make the upper insertion rod 603 move upward in the limiting sleeve 605 and insert into the connecting tube 102, and make the lower insertion rod 604 move downward in the limiting sleeve 605 and insert into the connecting tube 102 to fix the protective door 2, and lift the handle 602 to make the upper insertion rod 603 and the lower insertion rod 604 withdraw from the connecting tube 102 to release the fixation of the protective door 2.

[0027] The working principle of the utility model is as follows: the connecting plate 1 401 is fixedly installed on the front side of the door frame shell 101 on both sides, the connecting plate 2 402 is fixedly installed on the front side of the upper protective door 201, the middle protective door 202 and the lower protective door 203 respectively, the upper protective door 201, the middle protective door 202 and the lower protective door 203 are fixedly connected by inserting U-shaped steel into the reserved hole 204 of the protective door, the mounting plate 501 is fixedly installed on the front side of the protective door 2, and the safety chain 502 is fixedly installed on the front side of the protective door 2. One side is fixedly connected to the mounting plate 501 and the other side is fixedly connected to the wall to prevent the protective door 2 and the door frame 1 from being pulled out significantly under the action of air pressure. The upper insertion rod 603 is passed through the limiting sleeve 605 and is rotated to be connected to the front side of the handle 602. The lower insertion rod 604 is passed through the limiting sleeve 605 and is rotated to be connected to the front side of the handle 602. The handle 602 is pressed downward or lifted upward to insert the upper insertion rod 603 and the lower insertion rod 604 into or pull out the connecting tube 102 to fix or cancel the closed protective door 2.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-section assembled double-leaf subway protective door, comprising a protective door (2), characterized in that: One side of the connection component (4) is fixedly connected to one side of the protection door (2), the door frame (1) is fixedly connected to one side of the other side of the connection component (4), the U-shaped steel (3) is plugged into one side of the protection door (2), one side of the safety component (5) is fixedly connected to one side of the protection door (2), the opening and closing component (6) is fixedly connected to one side of the protection door (2), the protection door (2) comprises an upper protection door (201), the U-shaped steel (3) is plugged into one side of a protection door reserved hole (204) in the upper protection door (201), the middle protection door (202) is fixedly connected to one side of the upper protection door (201) by inserting the U-shaped steel (3) into the protection door reserved hole (204) of the middle protection door (202), and the lower protection door (203) is fixedly connected to one side of the middle protection door (202) by inserting the U-shaped steel (3) into the protection door reserved hole (204) of the lower protection door (203).

2. The multi-section assembled double-leaf subway protective door according to claim 1, characterized in that: One side of the second connecting plate (402) is fixedly connected to one side of the protective door (2), the connecting rod (403) is rotatably connected to the other side of the second connecting plate (402), the connecting rod (403) passes through the other side of the second connecting plate (402), the first connecting plate (401) is fixedly connected to one side of the connecting rod (403), and the connecting rod (403) passes through the first connecting plate (401).

3. The multi-section assembled double-leaf subway protective door according to claim 2, characterized in that: The door frame outer shell (101) is fixedly connected to one side of the connecting plate (401), and the connecting tube (102) is fixedly connected to one side of the door frame outer shell (101).

4. The multi-section assembled double-leaf subway protective door according to claim 1, characterized in that: The mounting plate (501) is fixedly connected to one side of the protective door (2), one side of the safety chain (502) is fixedly connected to one side of the mounting plate (501), and the other side of the safety chain (502) is fixedly connected to a nearby wall.

5. The multi-section assembled double-leaf subway protective door according to claim 1, characterized in that: The shaft column (601) is fixedly connected to one side of the protective door (2), the handle (602) is rotatably connected to one side of the shaft column (601), the shaft column (601) passes through the handle (602), the upper insertion rod (603) is rotatably connected to one side of the handle (602), the lower insertion rod (604) is rotatably connected to one side of the handle (602), the limiting sleeve (605) is fixedly connected to one side of the protective door (2), the upper insertion rod (603) passes through the limiting sleeve (605), and the lower insertion rod (604) passes through the limiting sleeve (605).

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