Multifunctional drainage ditch flashboard structure for civil air defense door frame

Abstract

A multifunctional drainage ditch flashboard structure for a civil air defense door frame comprises a flashboard steel pipe, a flange plate, an inner bearing plate, an outer bearing plate and a flashboard sealing strip. The flange plate is rectangular and is arranged along the edge of the front port of the flashboard steel pipe; a rectangular through hole is formed in the middle of the flange plate corresponding to the orifice of the flashboard steel pipe; first connecting holes are formed in two sides, close to the side edge, of the surface of the flange plate; the inner bearing plate is U-shaped and is arranged along the vertical edges and the bottom edge of the two sides of the rectangular through hole; the outer bearing plate is U-shaped and is parallel to the inner bearing plate at an interval, and the outer bearing plate and the inner bearing plate define a caulking groove together; the flashboard sealing strip is embedded in the caulking groove, and the surface of the flashboard sealing strip protrudes out of the caulking groove; connecting plates are arranged on the left and right sides of the flange plate; the horizontal section of the connecting plate is L-shaped, and the connecting plate comprises a longitudinal plate block and a transverse plate block; and the gate steel pipe is longitudinally inserted into the first rectangular hole. The technical problems that a traditional device is large in occupied space, needs to be poured in concrete independently and cannot be used flexibly are solved.

Description

Technical Field

[0001] The utility model belongs to the field of underground engineering construction, in particular to a multifunctional drainage ditch gate structure used for a civil air defense door frame. Background Art

[0002] With the development of urban subway transportation, subway construction must take into account the needs of civil air defense. Drainage ditches are set up in civil air defense projects for drainage needs. At the same time, in order to protect water sources and pipelines during wartime, and to prevent nuclear explosion shock waves, radioactive substances, etc. from entering the civil air defense projects through water supply and drainage pipelines to destroy internal water supply and drainage equipment and endanger personnel health, drainage ditch gate devices are set up on the drainage ditches. This device is usually in an open state to maintain normal drainage. It is closed through relevant operations during wartime to prevent shock waves and poisonous gases from entering the civil air defense area and to curb groundwater backflow. However, when encountering orifice blocking such as highway tunnels, it is necessary to consider drainage issues under the door frame of limited size, while taking into account defense requirements. The existing devices occupy a large space and need to be cast separately in concrete, which cannot be used flexibly. Utility Model Content

[0003] The utility model aims to provide a multifunctional drainage ditch gate structure for civil air defense door frames, in order to solve the technical problems that the traditional device occupies a large space, needs to be cast in concrete separately and cannot be used flexibly.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions.

[0005] A multifunctional drainage ditch gate structure for a civil air defense door frame, installed on the bottom frame edge of the civil air defense door frame; a first rectangular opening is opened on the bottom frame edge; the gate structure includes a gate steel pipe, a flange, an inner pressure-bearing plate, an outer pressure-bearing plate and a gate sealing strip; the flange is rectangular and is arranged along the edge of the front port of the gate steel pipe; a rectangular through hole is arranged in the middle of the flange corresponding to the pipe opening of the gate steel pipe; a first connecting hole is opened on both sides of the flange surface, close to the side position; the inner pressure-bearing plate is U-shaped, and is arranged on the front side of the flange along the vertical sides and bottom sides of the rectangular through hole On the top, the top of the inner pressure plate is flush with the top edge of the flange; the outer pressure plate is U-shaped, arranged parallel to the inner pressure plate and spaced apart, and together with the inner pressure plate, forms an embedded groove; the gate sealing strip is embedded in the embedded groove, and the surface of the gate sealing strip protrudes from the outside of the embedded groove; connecting plates are respectively arranged on the left and right sides of the flange; the horizontal section of the connecting plate is L-shaped, including a longitudinal plate and a transverse plate; the vertical side of the longitudinal plate is connected to the vertical side of the corresponding side of the flange; the plate surface of the transverse plate is flush with the surface of the gate sealing strip; the gate steel pipe is longitudinally inserted in the first rectangular opening.

[0006] Preferably, an extrusion groove is provided on the bottom front side of the civil air defense door frame; the extrusion groove is arranged along the length of the bottom frame edge of the civil air defense door frame; a second rectangular opening is opened on the front side surface of the extrusion groove at a position corresponding to the first rectangular opening; and a door frame steel pipe is connected at the position of the second rectangular opening.

[0007] Preferably, second connection holes are vertically spaced apart on the transverse plate.

[0008] Preferably, the spacing between the vertical side of the rectangular through hole and the vertical side of the corresponding side of the flange is 140mm~160mm; the spacing between the lateral side of the rectangular through hole and the lateral side of the corresponding side of the flange is 25mm~40mm.

[0009] Preferably, the width of the inner pressure plate is 8 mm to 12 mm; the width of the outer pressure plate is 4 mm to 6 mm; and the spacing between the inner pressure plate and the outer pressure plate is 40 mm to 45 mm.

[0010] Preferably, the width of the transverse plate is 50 mm to 55 mm; the width of the longitudinal plate is 30 mm to 35 mm.

[0011] Compared with the prior art, the utility model has the following characteristics and beneficial effects.

[0012] 1. The civil air defense drainage ditch gate provided by the utility model has a simple and reasonable structure, is easy to install and disassemble, has a simple and reliable opening and closing action, has a good sealing effect and has good shock wave resistance. It does not require regular cleaning of debris or regular rust removal and maintenance, and is suitable for large civil air defense projects such as subways and tunnels.

[0013] 2. The utility model effectively solves the problem of sealing the door frame and the drainage ditch under the highway tunnel. Without affecting the sealing of the door frame opening and the drainage ditch, it takes into account the usual drainage problem and meets certain defense requirements. It has a multifunctional and movable pull-out structure. The inner and outer connection methods provide a dual-purpose condition for the practicality and sealing of the drainage ditch, reduce the floor space, and facilitate construction.

[0014] 3. The utility model has a simple structure, is easy to manufacture, has tight and reliable sealing, and is easy to realize the peacetime and wartime conversion of the subway section protection unit. All components can be connected by bolts, which reduces the difficulty of on-site construction.

[0015] 4. The civil air defense drainage ditch gate of the utility model is easy to install and disassemble, has simple and reliable opening and closing actions, good sealing effect and good shock wave resistance. It does not require regular cleaning of debris or regular rust removal and maintenance, and is suitable for large-scale civil air defense projects such as subways and tunnels. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the multifunctional drainage ditch gate structure of the utility model.

[0018] Figure 2 The utility model is a structural schematic diagram of an inner pressure-bearing plate and an outer pressure-bearing plate arranged on the flange.

[0019] Figure 3 It is a structural schematic diagram of the connecting plate in the utility model.

[0020] Figure 4 It is a structural schematic diagram of a civil air defense door frame in the utility model in which an extrusion groove is arranged on the bottom front side.

[0021] Figure numerals: 1-civil air defense door frame, 1.1-bottom frame edge, 2-first rectangular opening, 3-gate steel pipe, 4-flange, 5-inner pressure plate, 6-outer pressure plate, 7-gate sealing strip, 8-rectangular through hole, 9-first connecting hole, 10-embedded groove, 11-connecting plate, 11.1-longitudinal plate, 11.2-transverse plate, 12-extrusion groove, 13-second rectangular opening, 14-door frame steel pipe, 15-second connecting hole, 16-first bolt hole, 17-second bolt hole. DETAILED DESCRIPTION

[0022] like Figure 1-4 As shown, this multifunctional drainage ditch gate structure for civil air defense door frame is installed on the bottom frame edge 1.1 of the civil air defense door frame 1; a first rectangular opening 2 is provided on the bottom frame edge 1.1; the gate structure includes a gate steel pipe 3, a flange 4, an inner pressure plate 5, an outer pressure plate 6 and a gate sealing strip 7; the flange 4 is rectangular and is arranged along the edge of the front port of the gate steel pipe 3; a rectangular through hole 8 is provided in the middle of the flange 4, corresponding to the pipe mouth of the gate steel pipe 3; a first connecting hole 9 is provided on both sides of the disk surface of the flange 4, close to the side position; the inner pressure plate 5 is U-shaped, and is arranged on the front side of the flange 4 along the vertical sides and bottom sides of the rectangular through hole 8, and the inner pressure plate 5 The top is flush with the top edge of the flange 4; the outer pressure plate 6 is U-shaped, arranged parallel to and spaced from the inner pressure plate 5, and together with the inner pressure plate 5 forms a groove 10; the gate sealing strip 7 is embedded in the groove 10, and the surface of the gate sealing strip 7 protrudes from the outside of the groove 10; connecting plates 11 are respectively provided on the left and right sides of the flange 4; the horizontal section of the connecting plate 11 is L-shaped, including a longitudinal plate 11.1 and a transverse plate 11.2; the vertical side of the longitudinal plate 11.1 is connected to the vertical side of the corresponding side of the flange 4; the plate surface of the transverse plate 11.2 is flush with the surface of the gate sealing strip 7; the gate steel pipe 3 is longitudinally inserted in the first rectangular opening 2 and connected to the civil defense door frame 1.

[0023] In this embodiment, a first bolt hole 16 is opened on the bottom frame edge 1.1 of the civil defense door frame 1 at a position corresponding to the first connecting hole 9; the flange 4 is connected to the civil defense door frame 1 by bolts passing through the first connecting hole 9 and the first bolt hole 16.

[0024] In this embodiment, an extrusion groove 12 is provided on the bottom front side of the civil defense door frame 1; the extrusion groove 12 is arranged along the bottom frame edge 1.1 of the civil defense door frame 1; a second rectangular opening 13 is opened on the front side surface of the extrusion groove 12 at a position corresponding to the first rectangular opening 2; and a door frame steel pipe 14 is connected at the position of the second rectangular opening 13.

[0025] In this embodiment, second connection holes 15 are vertically spaced apart on the transverse plate 11.2.

[0026] In this embodiment, the distance between the vertical side of the rectangular through hole 8 and the vertical side of the corresponding side of the flange 4 is 150 mm; the distance between the lateral side of the rectangular through hole 8 and the lateral side of the corresponding side of the flange 4 is 30 mm.

[0027] Of course, in other embodiments, the spacing value between the vertical side of the rectangular through hole 8 and the vertical side of the corresponding side of the flange 4 can also be selected as other values ​​in the range of 140mm~160mm; the spacing value between the lateral side of the rectangular through hole 8 and the lateral side of the corresponding side of the flange 4 can also be selected as other values ​​in the range of 25~40mm.

[0028] In this embodiment, the width of the inner pressure-bearing plate 5 is 10 mm, the width of the outer pressure-bearing plate 6 is 4 mm, and the distance between the inner pressure-bearing plate 5 and the outer pressure-bearing plate 6 is 40 mm.

[0029] Of course, in other embodiments, the width of the inner pressure plate 5 can also be selected as other values ​​in the range of 8mm~12mm, the width of the outer pressure plate 6 can also be selected as other values ​​in the range of 4mm~6mm, and the spacing between the inner pressure plate 5 and the outer pressure plate 6 can also be selected as other values ​​in the range of 40mm~45mm.

[0030] In this embodiment, the width of the transverse plate 11.2 is 50 mm, and the width of the longitudinal plate 11.1 is 30 mm; of course, in other embodiments, the width of the transverse plate 11.2 can also be selected from other values ​​within the range of 50 mm to 55 mm, and the width of the longitudinal plate 11.1 can also be selected from other values ​​within the range of 30 mm to 35 mm.

[0031] In this embodiment, the vertical side and the bottom horizontal side of the inner pressure plate 5 have a smooth transition; the vertical side and the bottom horizontal side of the outer pressure plate 6 have a smooth transition.

[0032] In this embodiment, the flange 4 is made of a 4 mm thick sheet metal.

[0033] Of course, in other embodiments, the flange 4 can also be made of a steel plate or an aluminum plate, and the thickness of the flange 4 is 3 mm to 5 mm.

[0034] In this embodiment, a second bolt hole 17 is provided on the front side surface of the extrusion groove 12 at a position corresponding to the second connection hole 15 .

[0035] When closing the door, bolts are used to connect and fix the gate structure to the air defense door frame 1. At this time, a small hole is formed at the drainage ditch. Since there are inner and outer pressure plates and gate sealing strips 7 on the gate structure, when the door leaf squeezes the pressure strip and is locked, the first rectangular opening 2 and the drainage ditch opening can be blocked and sealed as a whole. When opening the door, the door leaf can be removed, and the second connection hole 15 of the gate structure can be connected and fixed to the extrusion groove 12 with bolts. At the same time, when the flange 4 is pulled out, the gate steel pipe 3 can be connected to the door frame steel pipe 14 front and back to form a temporary drainage ditch for normal drainage, and the upper part of the extrusion groove is covered with a ditch cover to ensure the safe passage of vehicles.

[0036] The above embodiments are not exhaustive of specific implementation methods, and there may be other embodiments. The purpose of the above embodiments is to illustrate the utility model rather than to limit the protection scope of the utility model. All applications derived from simple changes of the utility model fall within the protection scope of the utility model.

Claims

1. A multifunctional drainage ditch gate structure for a civil air defense door frame, installed on the bottom frame edge (1.1) of the civil air defense door frame (1); characterized in that: A first rectangular hole (2) is provided on the bottom frame edge (1.1); the gate structure comprises a gate steel pipe (3), a flange (4), an inner pressure plate (5), an outer pressure plate (6) and a gate sealing strip (7); the flange (4) is rectangular and is arranged along the edge of the front port of the gate steel pipe (3); a rectangular through hole (8) is provided in the middle of the flange (4) corresponding to the pipe mouth of the gate steel pipe (3); a first connecting hole (9) is provided on both sides of the flange (4) near the side edge; the inner pressure plate (5) is U-shaped and is arranged on the front side of the flange (4) along the vertical sides and bottom sides of the rectangular through hole (8), and the top of the inner pressure plate (5) is flush with the top edge of the flange (4); The pressure plate (6) is U-shaped, arranged parallel to and spaced from the inner pressure plate (5), and together with the inner pressure plate (5) form an embedding groove (10); the gate sealing strip (7) is embedded in the embedding groove (10), and the surface of the gate sealing strip (7) protrudes from the outside of the embedding groove (10); connecting plates (11) are respectively arranged on the left and right sides of the flange (4); the horizontal section of the connecting plate (11) is L-shaped, including a longitudinal plate (11.1) and a transverse plate (11.2); the vertical side of the longitudinal plate (11.1) is connected to the vertical side of the corresponding side of the flange (4); the plate surface of the transverse plate (11.2) is flush with the surface of the gate sealing strip (7); the gate steel pipe (3) is longitudinally inserted into the first rectangular opening (2).

2. The multifunctional drainage ditch gate structure for civil air defense door frame according to claim 1 is characterized in that: An extrusion groove (12) is provided on the front side of the bottom of the civil air defense door frame (1); the extrusion groove (12) is arranged along the entire length of the bottom frame edge (1.1) of the civil air defense door frame (1); a second rectangular opening (13) is provided on the front side of the extrusion groove (12) at a position corresponding to the first rectangular opening (2); and a door frame steel pipe (14) is connected at the position of the second rectangular opening (13).

3. The multifunctional drainage ditch gate structure for civil air defense door frame according to claim 1 is characterized in that: Second connection holes (15) are vertically spaced apart on the upper side of the transverse plate (11.2).

4. The multifunctional drainage ditch gate structure for civil air defense door frame according to claim 1 is characterized in that: The spacing between the vertical side of the rectangular through hole (8) and the vertical side of the corresponding side of the flange (4) is 140 mm to 160 mm; the spacing between the lateral side of the rectangular through hole (8) and the lateral side of the corresponding side of the flange (4) is 25 mm to 40 mm.

5. The multifunctional drainage ditch gate structure for civil air defense door frame according to claim 1 is characterized in that: The width of the inner pressure-bearing plate (5) is 8 mm to 12 mm; the width of the outer pressure-bearing plate (6) is 4 mm to 6 mm; and the spacing between the inner pressure-bearing plate (5) and the outer pressure-bearing plate (6) is 40 mm to 45 mm.

6. The multifunctional drainage ditch gate structure for civil air defense door frame according to claim 1 is characterized in that: The width of the transverse plate (11.2) is 50 mm to 55 mm; the width of the longitudinal plate (11.1) is 30 mm to 35 mm.

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