Escape door structure of prefabricated cabin

Abstract

The utility model relates to the technical field of prefabricated cabin escape doors, in particular to a prefabricated cabin escape door structure which comprises a door frame structure and a door plate structure, the door frame structure comprises a left frame, a right frame, an upper frame and a lower frame, and first sealing strips are arranged on the sides, making contact with the door plate structure, of the left frame, the right frame and the upper frame and the lower frame. The door plate structure comprises an outer plate and an inner lining plate, and second sealing strips are connected to the peripheral side walls of the outer plate and the inner lining plate in an attached mode. The first sealing strips are arranged on the side edges, making contact with the door plate structure, of the left frame, the right frame, the upper frame and the lower frame in the door frame structure, and the second sealing strips are connected to the peripheral side walls of the outer plate and the inner lining plate in the door plate structure in an attached mode, so that the door plate structure makes contact with the door frame structure to close the cabin door; the first sealing strip and the second sealing strip are both extruded, so that the problem that a certain gap exists on the opposite sides due to extrusion of a single-layer sealing strip is effectively avoided, and the overall sealing performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated cabin emergency exits, and particularly relates to a structure of a prefabricated cabin emergency exit. Background Art

[0002] The prefabricated cabin is an outdoor intelligent substation launched by the State Grid based on the core concept of "standardized distribution type". The adoption of the prefabricated cabin body structure has become an important measure for the carrier of secondary equipment in the construction of intelligent substations. The prefabricated cabin has technical characteristics such as standardization, modularization, and prefabrication. Its cabin body should ensure sufficient mechanical strength and stiffness, and will not deform or be damaged during hoisting, transportation, and installation, and will not affect the equipment inside the cabin due to hoisting and transportation. The prefabricated cabin should also have good seismic resistance, wind resistance, anti-corrosion performance, and heat insulation and heat preservation performance, and should not be prone to dust and water accumulation. At the same time, it should also be equipped with emergency escape measures to meet the requirements of personnel's emergency escape. Existing prefabricated cabin emergency exits usually only have a layer of sealing strip on the door panel or door frame, and the sealing is achieved by extrusion. However, there may be gaps when the cabin door is closed, resulting in a reduction in the sealing effect.

[0003] Therefore, it is very necessary to invent a structure of a prefabricated cabin emergency exit to solve the above problems. Summary of the Utility Model

[0004] In order to solve the deficiencies of the prior art, the purpose of the utility model is to provide a structure of a prefabricated cabin emergency exit, which solves the problem that existing prefabricated cabin emergency exits usually only have a layer of sealing strip on the door panel or door frame, and the sealing is achieved by extrusion. However, there may be gaps when the cabin door is closed, resulting in a reduction in the sealing effect.

[0005] In order to achieve the above objectives, the utility model adopts the following technical solutions:

[0006] A structure of a prefabricated cabin emergency exit includes a door frame structure and a door panel structure hinged to the door frame structure. The door frame structure includes two left and right frames arranged vertically and two upper and lower frames arranged horizontally. And the two upper and lower frames are respectively arranged between the tops and bottoms of the two left and right frames. A first sealing strip is provided on one side of each of the left and right frames and the upper and lower frames in contact with the door panel structure. The door panel structure includes an outer plate and an inner lining plate arranged on the side of the outer plate close to the first sealing strip. Second sealing strips are attached and connected to the outer peripheral side walls of the outer plate and the inner lining plate.

[0007] As a preferred scheme of the utility model, the door frame structure further includes two vertically arranged columns, and the two left and right frames are respectively arranged on one side walls of the two columns close to each other, and the inner walls of the columns, the left and right frames, and the upper and lower frames are flush.

[0008] As a preferred embodiment of the present utility model, the outer plate and the column are hinged through a plurality of hinges.

[0009] As a preferred embodiment of the present utility model, a bracket and a windproof pull rod rotatably connected to the bracket are provided at the top end of the inner lining plate, and an opening for the other end of the windproof pull rod to rotatably pass through is provided at the top end of the upper and lower side frames located above.

[0010] As a preferred embodiment of the present utility model, a push-bar type escape lock latch is provided on the left side of the left and right side frames.

[0011] As a preferred embodiment of the present utility model, a push-bar type escape lock door handle is provided on the side of the outer plate away from the inner lining plate, and a push-bar type escape lock is provided on the side of the inner lining plate away from the outer plate.

[0012] As a preferred embodiment of the present utility model, the materials of the door frame structure and the door panel structure are both metal materials, and the materials of the first sealing strip and the second sealing strip are both silicone rubber or ethylene propylene diene monomer (EPDM) materials.

[0013] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0014] In the present utility model, a first sealing strip is provided in a circle on the side of the left and right side frames and the upper and lower side frames in the door frame structure in contact with the door panel structure. At the same time, the second sealing strip is adhesively connected to the outer peripheral side walls of the outer plate and the inner lining plate in the door panel structure. When the door panel structure is in contact with the door frame structure to close the hatch, the first sealing strip and the second sealing strip are both squeezed, thereby effectively avoiding the problem of a certain gap existing on the opposite side due to the extrusion of a single sealing strip and improving the overall sealing performance. Description of the Drawings

[0015] Figure 1 is a plan view of a prefabricated cabin escape door structure of the present utility model;

[0016] Figure 2 is a cross-sectional view of the door frame structure of the present utility model;

[0017] Figure 3 is a cross-sectional view of the door panel structure of the present utility model;

[0018] Figure 4 is a structural diagram of the hatch in the closed state of the present utility model;

[0019] Figure 5 is a structural diagram of the hatch in the open state of the present utility model.

[0020] Description of the Reference Numerals:

[0021] 1. Door frame structure; 2. Door panel structure; 3. Hinge; 4. Push-bar escape lock door handle; 5. Column; 6. Left and right side frames; 7. Upper and lower side frames; 8. Push-bar escape lock buckle; 9. First sealing strip; 10. Outer plate; 11. Inner lining plate; 12. Push-bar escape lock; 13. Wind-proof pull rod; 14. Bracket; 15. Second sealing strip. Detailed implementation mode

[0022] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and cannot be used to limit the protection scope of the present invention.

[0023] The present invention provides a prefabricated cabin escape door structure as shown in Figures 1 - 5 Figure 10, which includes a door frame structure 1 and a door panel structure 2 hinged to the door frame structure 1. The door frame structure 1 includes two vertically arranged left and right side frames 6 and two horizontally arranged upper and lower side frames 7. The two upper and lower side frames 7 are respectively arranged between the tops and bottoms of the two left and right side frames 6. A first sealing strip 9 is provided on one side of the left and right side frames 6 and the upper and lower side frames 7 in contact with the door panel structure 2. The door panel structure 2 includes an outer plate 10 and an inner lining plate 11 arranged on the side of the outer plate 10 close to the first sealing strip 9. Second sealing strips 15 are attached to the outer peripheral side walls of the outer plate 10 and the inner lining plate 11. The first sealing strip 9 is designed in a V shape to adapt to the shapes of the upper and lower side frames 7 and the left and right side frames 6, and the second sealing strip 15 is arranged in an I shape to adapt to the shapes of the outer plate 10 and the inner lining plate 11.

[0024] The door frame structure 1 further includes two vertically arranged columns 5. The two left and right side frames 6 are respectively arranged on one side walls of the two columns 5 close to each other. The inner walls of the columns 5, the left and right side frames 6 and the upper and lower side frames 7 are flush. Keeping the inner walls of the columns 5, the left and right side frames 6 and the upper and lower side frames 7 flush can effectively avoid the depression of the door surface caused by the existence of height differences.

[0025] The outer plate 10 is hinged to the column 5 through a plurality of hinges 3. The number of hinges 3 is determined according to the longitudinal height of the door frame structure 1 and the door panel structure 2.

[0026] A bracket 14 and a wind-proof pull rod 13 rotatably connected to the bracket 14 are provided at the top of the inner lining plate 11. An opening is provided at the top of the upper and lower side frames 7 located above for the other end of the wind-proof pull rod 13 to rotatably pass through. When the cabin door is opened, the wind-proof pull rod 13 provided on the inner lining plate 11 is fixed in the hole provided in the upper and lower side frames 7, playing a role in fixing the opened door.

[0027] On the left side of the left and right frames 6, there is a push-bar type escape lock latch 8. On the side of the outer plate 10 away from the inner lining plate 11, there is a push-bar type escape lock door handle 4. The height of the push-bar type escape lock door handle 4 is suitable for door opening operation, and on the side of the inner lining plate 11 away from the outer plate 10, there is a push-bar type escape lock 12.

[0028] The materials of the door frame structure 1 and the door panel structure 2 are both metal materials. The materials of the first sealing strip 9 and the second sealing strip 15 are both silicone rubber or ethylene propylene diene monomer materials. The door frame structure 1 and the door panel structure 2 are both subjected to painting and anti-corrosion treatment. The inner lining plate 11 is filled with rock wool thermal insulation and fireproof materials, which meet the prefabricated cabin design requirements and service life. At the same time, a push-bar type escape lock latch 8 is installed to meet the escape needs of personnel in case of emergency; a wind-proof fixing device is provided, which is convenient to use, safe and reliable.

[0029] In the present utility model, a circle of first sealing strips 9 are provided on the side edges of the left and right frames 6 and the upper and lower frames 7 in the door frame structure 1 that are in contact with the door panel structure 2. At the same time, the outer peripheral side walls of the outer plate 10 and the inner lining plate 11 in the door panel structure 2 are adhesively connected with second sealing strips 15. When the door panel structure 2 is in contact with the door frame structure 1 to close the cabin door, the first sealing strips 9 and the second sealing strips 15 are both squeezed, thus effectively avoiding the problem of a certain gap on the opposite side due to the extrusion of a single sealing strip and improving the overall sealing performance.

[0030] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and deformations can be made, and these improvements and deformations should also be regarded as the protection scope of the present utility model.

Claims

1. A prefabricated cabin escape door structure, characterized in that: The invention comprises a door frame structure (1) and a door panel structure (2) hinged to the door frame structure (1), wherein the door frame structure (1) comprises two left and right side frames (6) arranged vertically and two upper and lower side frames (7) arranged horizontally, and the two upper and lower side frames (7) are respectively arranged between the top and bottom ends of the two left and right side frames (6), and the left and right side frames (6) and the upper and lower side frames (7) are both provided with a first sealing strip (9) on the side in contact with the door panel structure (2), and the door panel structure (2) comprises an outer panel (10) and an inner lining panel (11) arranged on the side of the outer panel (10) close to the first sealing strip (9), and the outer peripheral side walls of the outer panel (10) and the inner lining panel (11) are both fitted and connected with a second sealing strip (15).

2. The prefabricated cabin escape door structure according to claim 1, characterized in that: The door frame structure (1) further comprises two vertically arranged columns (5), and the two left and right side frames (6) are respectively arranged on one side wall of the two columns (5) close to each other, and the inner walls of the columns (5), the left and right side frames (6) and the upper and lower side frames (7) are flush.

3. The prefabricated cabin escape door structure according to claim 1, characterized in that: The outer plate (10) and the column (5) are hingedly connected via a plurality of hinges (3).

4. The prefabricated cabin escape door structure according to claim 1, characterized in that: The top of the inner lining plate (11) is provided with a bracket (14) and a windproof pull rod (13) rotatably connected to the bracket (14), and the top of the upper and lower frames (7) located above is provided with an opening through which the other end of the windproof pull rod (13) is rotatably inserted.

5. The prefabricated cabin escape door structure according to claim 1, characterized in that: A push-bar type escape lock buckle (8) is provided on the left side of the left and right frames (6).

6. The prefabricated cabin escape door structure according to claim 1, characterized in that: A push-bar type escape lock door handle (4) is provided on the side of the outer plate (10) away from the inner lining plate (11), and a push-bar type escape lock (12) is provided on the side of the inner lining plate (11) away from the outer plate (10).

7. The prefabricated cabin escape door structure according to claim 1, characterized in that: The door frame structure (1) and the door panel structure (2) are both made of metal, and the first sealing strip (9) and the second sealing strip (15) are both made of silicone rubber or EPDM.

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