flood gate

Abstract

The application discloses a method for manufacturing a flood-proof door, and belongs to the technical field of civil air defense equipment. The method comprises the following steps: preparing a door body inner core, which comprises an inner core monomer; the inner core monomer is in a cylindrical structure; the inner core monomer is in a regular polygonal structure in a cross section perpendicular to an axis of the inner core monomer; the inner core monomer is in a multi-section structure along the axis direction of the inner core monomer; the sections at both ends of the inner core monomer are in straight cylinder structures; and the inner core monomer comprises at least one inclined section structure so as to increase the wall thickness of the projection of the inner core monomer along the axis direction. The application further provides a flood-proof door. The door body inner core adopts a special structure design; the inclined section structure arranged in the door body inner core can increase the wall thickness of the projection of the inner core monomer along the axis direction; a large amount of impact energy can be absorbed through the deformation of the door body inner core; and the entire door body can be prevented from being deformed greatly. The specific strength of the door body inner core is high; the aluminum door body inner core structure can realize a weight reduction of 70% and an increase of the tensile strength to 185 MPa.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of civil air defense equipment, and more particularly to a floodgate manufacturing method and a floodgate. BACKGROUND

[0002] Traditional floodgates are mainly divided into pure steel structures or steel + concrete structures (i.e., including a steel door shell, and pouring concrete in the shell), resulting in structural defects such as heavy structure, easy rust, and inconvenient transportation and installation.

[0003] In traditional floodgates, due to the excessive weight (> 3 tons) of the door body, the driving mechanism is large and the opening and closing speed is low (> 180 seconds). In addition, the traditional floodgates rely on the driving mechanism to realize the closing of the door body (the door body is closed with the door frame) and sealing. For large-size door bodies, a very large driving force is required to realize the close fit between the door body and the door frame, which not only requires a high driving mechanism, but also is difficult to ensure the sealing. SUMMARY

[0004] (I) Technical problem

[0005] In summary, how to solve the problem of large door body weight and poor sealing of the existing floodgate has become a problem to be solved by those skilled in the art.

[0006] (II) Technical solution

[0007] In order to achieve the above purpose, the present application provides the following technical scheme:

[0008] The present application provides a floodgate manufacturing method, which comprises the following steps:

[0009] Step 1, preparing a door body core, using metal casting process, metal 3D printing process, or metal plate stamping integrated process to prepare a door body core, which comprises a core monomer, the core monomer is a cylindrical structure, in the cross section perpendicular to the axis of the core monomer, the core monomer is a regular polygon structure, along the axis direction of the core monomer, the core monomer is a multi-section structure, wherein the part near the two ends of the core monomer is a straight cylinder structure, and the core monomer comprises at least one inclined section structure to increase the wall thickness of the projection of the core monomer along the axis direction;

[0010] Step 2, setting the panel and the frame, setting the panel on both sides of the door body core, the panel is perpendicular to the axis of the core monomer, setting the frame on the outer periphery of the door body core, and the edge of the frame is connected with the edge of the panel.

[0011] Step three, setting a door lock system on the panel.

[0012] The present application also provides a flood-proof door manufactured by the above flood-proof door manufacturing method. Specifically, in the present application, the flood-proof door comprises a door body, the door body comprises a door body inner core, the door body inner core comprises inner core monomers, the inner core monomers are regularly arranged and form a rectangular door body inner core, and the inner core monomers are closely adjacent and fixedly connected.

[0013] Preferably, in the flood-proof door provided by the present application, the number of edges of the inner core monomer in the cross section perpendicular to the axis of the inner core monomer is an integer multiple of three.

[0014] Preferably, in the flood-proof door provided by the present application, the number of edges of the inner core monomer in the cross section perpendicular to the axis of the inner core monomer is six; the inner core monomer comprises at least five segments along the axis direction of the inner core monomer, in sequence, a top segment, a first curved segment, a middle segment, a second curved segment, and a tail segment, wherein the top segment, the middle segment, and the tail segment are straight cylinder structures, the first curved segment and the inner side or the outer side of the middle segment have an included angle of 120° to 150°, and the second curved segment and the inner side or the outer side of the middle segment have an included angle of 120° to 150°.

[0015] Preferably, in the flood-proof door provided by the present application, the length of the middle segment is not less than the sum of the length of the top segment and the length of the tail segment.

[0016] Preferably, in the flood-proof door provided by the present application, in the projection along the axis direction of the inner core monomer, the projection thickness of the first curved segment is not less than the wall thickness of the top segment, and the projection thickness of the second curved segment is not less than the wall thickness of the tail segment.

[0017] Preferably, in the flood-proof door provided by the present application, the flood-proof door comprises a door frame, the door body is hinged to the door frame through a hinge assembly; an upper edge sealing strip is arranged on the upper edge of the door frame and faces the side of the door body, the lower edge of the door frame is a stepped structure and forms a door sill, a lower edge sealing strip is arranged on the door sill and faces the side of the door body, and side edge sealing strips are arranged on the two side edges of the door frame; a top edge sealing plate is arranged on the top edge of the door body, the top edge sealing plate has a top edge sealing plate extension edge extending towards the door frame, the top edge sealing plate extension edge and the upper edge sealing strip form a pressing structure and form a seal, a bottom edge sealing plate is arranged on the bottom edge of the door body, the bottom edge sealing plate has a bottom edge sealing plate extension edge extending towards the door frame, the bottom edge sealing plate extension edge and the lower edge sealing strip form a pressing structure and form a seal, and the two side edges of the door body facing the door frame are planar structures for forming a planar pressing sealing structure with the side edge sealing strips.

[0018] Preferably, in the flood-proof door provided by the application, the door body is provided with two, one side of the door body is hinged to the door frame through the hinge assembly, and the other side of the door body is provided with a door body sealing member for realizing the sealing cooperation after the closing of the two door bodies; the door body sealing member is clamped on the side of the door body and extends from one side to the other side of the door body, and the door body sealing member is sequentially provided with a member clamping groove, a matching inclined surface and a member clamping strip, a member sealing strip is arranged in the member clamping groove, and the door body sealing members arranged on the two door bodies are rotationally symmetrical structures, and an inclined surface sealing strip is arranged on the matching inclined surface of one of the door body sealing members.

[0019] Preferably, in the flood-proof door provided by the application, a door lock system is arranged on the front side or the rear side of the door body and close to the other side of the door body; the door lock system comprises a door lock driving structure and a top door bolt assembly, a bottom door bolt assembly and a middle door bolt assembly which are in power connection with the door lock driving structure, the top door bolt assembly is used to realize the locking between the upper part of the door body and the door frame, the bottom door bolt assembly is used to realize the locking between the bottom of the door body and the door frame, and the middle door bolt assembly is used to realize the locking between the two door bodies.

[0020] Preferably, in the flood-proof door provided by the application, a door body driving assembly is arranged on the front side or the rear side of the door body for driving the rotation of the door body, and the door body driving assembly is an electric driving power device.

[0021] (Three) beneficial effects

[0022] As known from the above, the application provides a flood-proof door manufacturing method, which comprises the following steps: step one, preparing a door body inner core, using a metal casting process, a metal 3D printing process or a metal plate stamping integrated molding process to prepare the door body inner core, in the door body inner core, including an inner core monomer, the inner core monomer is a cylindrical structure, in the cross section perpendicular to the axis of the inner core monomer, the inner core monomer is a regular polygon structure, along the axis direction of the inner core monomer, the inner core monomer is a multi-segment structure, wherein the segments at both ends of the inner core monomer are straight cylinder structures, and the inner core monomer at least includes one inclined segment structure to increase the wall thickness of the projection of the inner core monomer in the axial direction; step two, arranging a panel and a frame, arranging the panel on both sides of the door body inner core, and the panel is perpendicular to the axis of the inner core monomer, and arranging the frame on the outer periphery of the door body inner core, and the edge of the frame is connected with the edge of the panel; step three, arranging a door lock system on the panel. Based on the above manufacturing method, the application further provides a flood-proof door. In the application, the specific strength of the door body inner core reaches 356 MPa·cm 3The inner core of the door body adopts aluminum profile, can realize 70% weight reduction, and the tensile strength is increased to 185MPa. In addition, the inner core of the door body adopts special structure design, the inclined section structure arranged can increase the wall thickness of the projection of the inner core monomer in the axial direction, the stress of the inner core of the door body will deform in the shearing direction, so that a large amount of impact energy is absorbed through the deformation of the inner core of the door body, so that the entire door body will not deform (even not deform), at the same time, the deformation of the inner core of the door body makes the front panel, the rear panel and the door edge of the door body bear the impact force, and the remaining small part of the impact energy is shared by each part of the door body, so that the impact resistance of the door body can be ensured. Through the above structure design, the problem of large self-weight of the flood-proof door in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings accompanying the specification of this application form a part thereof, serve to provide further understanding of the application, and together with the description of the exemplary embodiments of the application given below, explain the application. The application is not intended to be unduly limited by such a specific embodiment thereof. In the drawings:

[0024] Figure 1 It is a structure schematic view of the inner core of the door body in the embodiment of the application;

[0025] Figure 2 It is a structure schematic view of the inner core of the door body in the embodiment of the application; Figure 1 It is an enlarged schematic view of the structure at circle A in the embodiment of the application;

[0026] Figure 3 It is a side structure schematic view of the door body when cooperating with the door frame after being closed in the embodiment of the application;

[0027] Figure 4 It is a top view partial structure schematic view of the door body when cooperating with the door frame after being closed in the embodiment of the application;

[0028] Figure 5 It is a structure schematic view of the flood-proof door in the embodiment of the application;

[0029] Figure 6 It is a structure schematic view of the door lock system in the embodiment of the application;

[0030] Figure 7 It is a structure schematic view of the door body driving assembly in the embodiment of the application.

[0031] In the application, Figures 1 to 7 The correspondence between the middle part names and the reference signs is as follows:

[0032] Door body inner core 1, door body 2, top section 3, first curved section 4, middle section 5, second curved section 6, tail section 7, upper frame 8, upper frame sealing strip 9, door sill 10, lower frame sealing strip 11, linkage plate 12, top edge sealing plate 13, bottom edge sealing plate 14, door body sealing member 15, member sealing strip 16, bevel sealing strip 17, door lock driving structure 18, top door bolt assembly 19, bottom door bolt assembly 20, middle door bolt assembly 21, door body driving assembly 22, door leaf mounting base 23, push rod 24, opening and closing cylinder 25, door body opening and closing servo motor 26, fixed base 27. DETAILED DESCRIPTION

[0033] The present application will be described in detail below with reference to the drawings and embodiments. Each example is provided by way of explanation of the present application, not limitation. In fact, those skilled in the art will appreciate that modifications and variations can be made in the present application without departing from the scope or spirit of the present application. For example, features shown or described as part of one embodiment can be used in another embodiment to produce yet another embodiment. Therefore, it is intended that the present application include such modifications and variations as fall within the scope of the appended claims and their equivalents.

[0034] In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and not require the present application to be constructed and operated in a particular orientation. Therefore, it cannot be understood as a limitation on the present application. The terms "connected", "connected" used in the present application should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected; it can be directly connected, or it can be indirectly connected through an intermediate part. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0035] Reference Figures 1 to 7 .

[0036] The present application provides a method for manufacturing a flood-proof door, which is suitable for use in civil air defense projects, and specifically includes a door frame and a door body 2. The door body 2 can be a single-leaf door body or a double-leaf door body, and is hingedly connected to the door frame through a hinge assembly and can be opened or closed in a flat opening manner.

[0037] In order to reduce the overall weight of the door body 2, the method for manufacturing the flood-proof door provided by the present application includes the following steps:

[0038] Step one, preparing a door body inner core 1.

[0039] In the prior art, the door body adopts a pure steel structure, that is, the entire door body is made of steel material, or a steel shell is arranged, and then concrete is poured in the steel shell. The traditional door body has reliable impact resistance, but the overall quality is very large, which is not only inconvenient to drive, but also puts higher use requirements on the door frame, hinge assembly and the like.

[0040] In order to realize the weight reduction of the door body 2, the present application optimizes the internal structure of the door body 2 (i.e. the door body inner core 1), realizes the weight reduction of the door body 2 under the premise of ensuring that the door body 2 has reliable impact resistance, and also enables the door body 2 to have certain shear resistance.

[0041] In the use state, the door body 2 is vertically arranged and mainly bears the frontal impact in the horizontal direction, but if an uncontrollable factor such as the collapse of a civil air defense work occurs, the pressure on the door body 2 in the up-down direction can be understood as the shear force on the door body 2. In the prior art, the design of the door body usually only considers the frontal impact effect, and the present application creatively considers the shear resistance of the door body 2.

[0042] In step one, since the door body inner core 1 adopts a special structural design and the structure is relatively complex, in order to realize the manufacturing of the door body inner core 1, the present application adopts a metal casting process, a metal 3D printing process, or a metal plate stamping integrated molding process to prepare the door body inner core 1. In the door body inner core 1, there is an inner core monomer. The present application can manufacture one inner core monomer as a manufacturing unit, then arrange multiple inner core monomers regularly and then weld and fix them. The present application can also divide the inner core monomer into two symmetrical units, then manufacture the units in a row as a manufacturing unit, and then assemble and weld multiple units in the row direction. Of course, the present application can also directly manufacture the door body inner core 1 by using a more advanced metal 3D printing technology. Of course, the present application can also use a high-precision multi-axis machine tool to "carve" a metal plate to produce the door body inner core 1.

[0043] Specifically, the inner core monomer is a cylindrical structure (i.e. the inner core monomer is a hollow structure and only has a side wall structure), and in the cross section perpendicular to the axis of the inner core monomer, the inner core monomer is a regular polygonal structure (the cross section of the inner core monomer is similar when it is cut in the axial direction of the inner core monomer, but there is a difference in size). In the present application, the number of sides of the cross section of the inner core monomer is 3, 6 or 9, and is preferably 6, that is, the number of sides of the inner core monomer in the cross section perpendicular to the axis of the inner core monomer is a multiple of three. When the number of sides is 6, the cross section of the inner core monomer is in the shape of a honeycomb, which facilitates the arrangement of multiple inner core monomers in a plane. The flood-proof door provided by the present application comprises a door body 2, the door body 2 comprises a door body inner core 1, the door body inner core 1 comprises inner core monomers, the inner core monomers are regularly arranged and form a rectangular door body inner core 1, and the inner core monomers are closely adjacent and fixedly connected.

[0044] The inner core monomer has a multi-section structure along the axial direction of the inner core monomer, wherein the sections at both ends of the inner core monomer are straight cylinder structures, and the inner core monomer comprises at least one inclined section structure to increase the wall thickness of the projection of the inner core monomer along the axial direction. Specifically, the inner core monomer has six edges in the cross section perpendicular to the axial direction of the inner core monomer, and the inner core monomer comprises five sections along the axial direction, which are a top section 3, a first curved section 4, a middle section 5, a second curved section 6, and a tail section 7 in sequence, wherein the top section 3, the middle section 5, and the tail section 7 are straight cylinder structures, the first curved section 4 has an included angle of 120° to 150° with the inner side or the outer side of the middle section 5, and the second curved section 6 has an included angle of 120° to 150° with the inner side or the outer side of the middle section 5.

[0045] Based on the above structural design, the inner core monomer provided by the application has the following specific structural forms: 1. The cross-sectional shapes of the top section 3, the tail section 7, and the middle section 5 are the same, but the maximum diameter size of the cross section of the top section 3 and the tail section 7 is greater than that of the middle section, and the overall shape is close to a dumbbell shape, the first curved section 4 and the second curved section 6 have a circular truncated cone shape, the small end is connected to the middle section 5, and the large end is connected to the top section 3 or the tail section 7; 2. The cross-sectional shapes of the top section 3, the tail section 7, and the middle section 5 are the same, but the maximum diameter size of the cross section of the top section 3 and the tail section 7 is smaller than that of the middle section, and the overall shape is close to a shuttle structure. Further, in the projection along the axial direction of the inner core monomer, the projection thickness of the first curved section 4 is not less than the wall thickness of the top section 3, and the projection thickness of the second curved section 6 is not less than the wall thickness of the tail section 7.

[0046] In the preferred embodiment of the application, the wall thickness of the first curved section 4 and the second curved section 6 is greater than that of the top section 3, the tail section 7, and the middle section 5, which can improve the shear capacity of the first curved section 4 and the second curved section 6. Further, the application can thicken the connection part (corner) between the first curved section 4 and the second curved section 6 and other sections, thereby improving the connection strength between the sections. When subjected to extremely strong frontal impact, the door body 2 structure may be damaged, and the application limits that the length of the middle section 5 is not less than the sum of the lengths of the top section 3 and the tail section 7, so that after the first curved section 4 or the second curved section 6 structure collapses, the top section 3 and the tail section 7 can be sleeved or inserted into the middle section 5, and a large amount of shock wave energy can be absorbed during the collapse of the first curved section 4 or the second curved section 6 structure. At the same time, the top section 3 and the tail section 7 are sleeved into the middle section 5 to form a three-layer sleeve structure, thereby preventing further damage to the door body inner core 1 structure.

[0047] In step two, the panel and the frame are arranged, the panel is arranged on both sides of the door body inner core 1, the panel is perpendicular to the axis of the single inner core, and the frame is arranged on the outer periphery of the door body inner core 1, the edge of the frame is connected with the edge of the panel.

[0048] The door body inner core 1 is provided, in order to ensure the overall structural strength of the door body inner core 1, when the door body inner core 1 is arranged in the door body 2 (the shell of the door body 2), the structure needs to be kept intact, that is, the door body inner core 1 cannot be structurally damaged, therefore, the other structures installed on the door body 2 are optimized: the original door lock system installed in the door body 2 is designed as an external installation mode. In an embodiment of the present application, the panel and the frame, the panel is a flat plate structure, according to the installation position of the door lock system and the handle and other components, the panel is perforated or slotted, and then the panel (front and rear panels) and the frame are assembled to the outer side of the door body inner core 1. The contact part of the panel, the frame and the door body inner core 1 can be fixed by welding.

[0049] The door lock system is arranged on the front side or the rear side of the door body 2 (the front side of the door body 2 is the outer side, the front side is impacted, and the rear side of the door body 2 is the inner side, that is, the inside), and is close to the other side edge of the door body 2. Preferably, the door lock system is arranged on the rear side.

[0050] The door lock system comprises a door lock driving structure 18 and a top door bolt assembly 19, a bottom door bolt assembly 20 and a middle door bolt assembly 21 which are power connected with the door lock driving structure 18, the top door bolt assembly 19 is used to realize the locking between the upper part of the door body 2 and the door frame, the bottom door bolt assembly 20 is used to realize the locking between the bottom part of the door body 2 and the door frame, and the middle door bolt assembly 21 is used to realize the locking between the two door bodies 2.

[0051] Specifically, the door lock system comprises a door lock driving structure 18, the door lock driving structure 18 comprising a driving shaft and a linkage plate 12, the driving shaft outputting rotary motion and driving the linkage plate 12 linear motion through a worm gear structure, the door lock system further comprising a top door bolt assembly 19, a bottom door bolt assembly 20 and a middle door bolt assembly 21, the structure of each door bolt assembly is similar, the door bolt assembly comprising a boomerang-shaped door bolt body, the door bolt body being hinged to the panel of the door body 2, one arm of the door bolt body serving as a door bolt function, the other arm serving as a connecting function, the linkage plate 12 being connected with the top door bolt assembly 19, the bottom door bolt assembly 20 and the middle door bolt assembly 21 through a connecting rod, the linkage plate 12 driving the door bolt body to rotate within a certain angle range through the connecting rod, the arm of the door bolt body cooperating with the door lock box to realize locking or opening. The door lock box is a component structure of the door lock system, arranged on the door frame or the other door body 2, and can cooperate with the arm of the door bolt body to form a locking structure. The driving shaft is installed on the door body 2, and a hand wheel is arranged thereon, so that the door lock system can be controlled (opened or locked) manually. The present application can also provide an electric motor, which drives the driving shaft to rotate through a transmission system (which can be a gear transmission or a chain transmission), so as to realize electric opening or electric locking of the door lock system.

[0052] The present application also provides a door body driving assembly 22 arranged on the front side or the rear side of the door body 2 for driving the rotation of the door body 2, the door body driving assembly 22 being an electric driving power device.

[0053] The structure of the door body driving assembly 22 is as follows: it comprises a door leaf mounting base 23, a push rod 24, an opening and closing cylinder body 25, a door body opening and closing servo motor 26 and a fixed base 27. The door leaf mounting base 23 is fixedly arranged on the door leaf, preferably at the middle position in the height direction of the door leaf. The fixed base 27 is arranged on the structure of the air defense engineering entrance. The opening and closing cylinder body 25 is hinged to the door leaf mounting base 23, and the push rod 24 is slidingly arranged on the opening and closing cylinder body 25, one end of the push rod 24 being located in the opening and closing cylinder body 25 and the other end of the push rod 24 being located outside the opening and closing cylinder body 25 and being hinged to the fixed base 27. The door body opening and closing servo motor 26 is a motor and a speed reducer assembly structure, the door body opening and closing servo motor 26 having a power output shaft, the door body opening and closing servo motor 26 being installed on the door leaf mounting base 23, the power output shaft being rotatably arranged in the opening and closing cylinder body 25, a driving gear being keyed on the power output shaft, and the driving gear being engaged with a rack structure arranged on the push rod 24, so as to drive the movement of the push rod 24 in the opening and closing cylinder body 25, the change of the overall length between the push rod 24 and the opening and closing cylinder body 25 realizing the rotation of the door leaf (opening or closing of the door leaf).

[0054] The anti-flood door comprises a door frame, which is a metal door frame, i.e. a door frame of a mouth-shaped structure manufactured by metal profiles. A door body 2 is hinged to the door frame through a hinge assembly. An upper edge sealing strip 9 is arranged on an upper edge 8 of the door frame towards the side of the door body 2. A lower edge 10 of the door frame is in a stepped structure and forms a door sill 10. A lower edge sealing strip 11 is arranged on the door sill 10 towards the side of the door body 2. Side edge sealing strips are arranged on the two side edges of the door frame. A top edge sealing plate 13 is arranged on the top edge of the door body 2. The top edge sealing plate 13 has a top edge sealing plate 13 extension edge extending towards the door frame. The top edge sealing plate 13 extension edge forms a pressing structure with the upper edge sealing strip 9 and forms a seal. A bottom edge sealing plate 14 is arranged on the bottom edge of the door body 2. The bottom edge sealing plate 14 has a bottom edge sealing plate 14 extension edge extending towards the door frame. The bottom edge sealing plate 14 extension edge forms a pressing structure with the lower edge sealing strip 11 and forms a seal. The two side edges of the door body 2 towards the door frame are in a plane structure and are used to form a plane pressing sealing structure with the side edge sealing strips.

[0055] The above structure realizes the sealed connection between the door body 2 and the door frame. When only one door body 2 is arranged, only the sealed contact between the door body 2 and the door frame needs to be considered. When two door bodies 2 are arranged, the sealed contact between the door bodies 2 is designed as follows in the present application: two door bodies 2 are arranged. One side edge of the door body 2 is hinged to the door frame through a hinge assembly. The other side edge of the door body 2 is provided with a door body sealing member 15 for realizing the sealed cooperation after the two door bodies 2 are closed. The door body sealing member 15 is clamped on the side edge of the door body 2 and extends from one side to the other side of the door body 2. The door body sealing member 15 is sequentially provided with a member clamping groove, a matching inclined surface and a member clamping strip. A member sealing strip 16 is arranged in the member clamping groove. The door body sealing members 15 arranged on the two door bodies 2 are in a rotational symmetry structure. An inclined surface sealing strip 17 is arranged on the matching inclined surface of one of the door body sealing members 15. In the present application, each of the above sealing strips is a rubber strip.

[0056] From the above, the application provides a floodgate manufacturing method, which comprises the following steps: step 1, preparing a door body inner core 1, the door body inner core 1 is prepared by using a metal casting process, a metal 3D printing process or a metal plate stamping integrated molding process, and in the door body inner core 1, an inner core monomer is included, the inner core monomer is a cylindrical structure, in a cross section perpendicular to the axis of the inner core monomer, the inner core monomer is a regular polygon structure, and along the axis direction of the inner core monomer, the inner core monomer is a multi-section structure. In the inner core monomer, the portions close to the two ends thereof are straight cylinder structures, specifically, along the axial direction of the inner core monomer, the portions extending from the end portions to the quarter or the third of the middle position of the inner core monomer are straight cylinder structures. At least one inclined section structure is included in the inner core monomer to increase the wall thickness of the projection of the inner core monomer in the axial direction thereof; step 2, arranging a panel and a frame, the panel is arranged on the two sides of the door body inner core 1 and is perpendicular to the axis of the inner core monomer, and the frame is arranged on the outer periphery of the door body inner core 1, and the edge of the frame is connected with the edge of the panel; and step 3, arranging a door lock system on the panel. Based on the manufacturing method, the application further provides a floodgate.

[0057] In the application, the structure of the door body 2 adopts a composite sandwich structure, including a front panel (outer skin), a rear panel (inner skin) and the door body inner core 1. The outer skin is 7A04-T6 aviation aluminum with a thickness of 4 mm and a Vickers hardness of 2150 HV. A transition layer is arranged between the outer skin and the door body inner core 1, and the transition layer is used for impact buffering. The transition layer is aramid fiber / epoxy resin prepreg with a thickness of 2 mm and a surface density of 480 g / m 2 . The door body inner core 1 is made of 5056 aluminum, and the size of the inner core monomer is Ф6 mm*50 mm (diameter 6 mm, height 50 mm). The inner skin is a 6063-T5 aluminum plate with a thickness of 3 mm, and the surface is subjected to laser texturing treatment (Ra=12.5um). In the application, the commonly used specification size of the inner core monomer is as follows: the wall thickness of a cell (a single inner core monomer) is 1.5 mm, the variable cross-section hexagonal shape is 25 mm*25 mm, the thickness of the panels on the two sides of the door body inner core 1 is 3 mm, and the height of the door body inner core 1 is 114 mm. The sandwich panel is formed by the door body inner core 1 and the panels on the two sides thereof, and the total thickness of the sandwich panel is 120 mm. The core layer (the door body inner core 1) and the panel material of the sandwich panel are both made of 6061 aluminum, and the compressive strength, the tensile strength, the yield strength and the elastic modulus of the sandwich panel are 7.5 MPa, 185 MPa, 140 MPa and 68.9 GPa respectively, and the Poisson's ratio is 0.33.

[0058] The innovation points of the application are summarized as follows: 1. The specific strength of the door body inner core 1 reaches 356 MPa·cm 3 / g, the door body inner core 1 structure realizes quality reduction of 70% while the tensile strength is increased to 185MPa; 2, the special structure design of the door body inner core 1 can increase the wall thickness of the projection of the inner core monomer in the axial direction, the stress will be deformed in the shearing direction, so that a large amount of impact energy is absorbed by the deformation of the door body inner core 1, so that the whole door body 2 will not be deformed (even not deformed), at the same time, the deformation of the door body inner core 1 makes the front panel, the rear panel and the door edge of the door body 2 bear the impact force, and the remaining small part of the impact energy is shared by each part of the door body 2, so that the impact resistance of the door body 2 can be ensured.

[0059] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and the present application can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flood gate, characterized in that Comprising: Step one, preparing the door body core, using metal casting process, metal 3D printing process or metal plate stamping integrated process to prepare the door body core, in the door body core, including the core monomer, the core monomer is a cylindrical structure, in the cross section perpendicular to the axis of the core monomer, the core monomer is a regular polygon structure, along the axis direction of the core monomer, the core monomer is a multi-section structure, wherein the part of the core monomer close to both ends is a straight cylinder structure, the core monomer includes at least one inclined section structure to increase the wall thickness of the core monomer in the axial direction; Step two, setting the panel and the frame, setting the panel on both sides of the door body core, the panel is perpendicular to the axis of the core monomer, setting the frame on the outer periphery of the door body core, the edge of the frame is connected with the edge of the panel; Step three, setting the door lock system on the panel; The flood-proof door comprises a door body, the door body comprises a door body core, the door body core comprises a core monomer, the core monomers are regularly arranged and form a rectangular door body core, the core monomers are closely adjacent and fixedly connected; The flood-proof door comprises a door frame, the door body is hinged to the door frame through a hinge assembly; An upper frame sealing strip is arranged on the upper edge of the door frame and faces the side of the door body, the lower edge of the door frame is a stepped structure and forms a door sill, a lower frame sealing strip is arranged on the door sill and faces the side of the door body, and side edge sealing strips are arranged on the two side edges of the door frame; A top edge sealing plate is arranged on the top edge of the door body, the top edge sealing plate has a top edge sealing plate extension edge extending towards the door frame, the top edge sealing plate extension edge and the upper frame sealing strip form a pressing structure and form a seal, a bottom edge sealing plate is arranged on the bottom edge of the door body, the bottom edge sealing plate has a bottom edge sealing plate extension edge extending towards the door frame, the bottom edge sealing plate extension edge and the lower frame sealing strip form a pressing structure and form a seal, and the two side edges of the door body facing the door frame are planar structures for forming a planar pressing sealing structure with the side edge sealing strips; The door body is provided with two, one side edge of the door body is hinged to the door frame through the hinge assembly, and the other side edge of the door body is provided with a door body sealing member for realizing the sealing cooperation after the two door bodies are closed; The door body sealing member is clamped on the side edge of the door body and extends from one side surface of the door body to the other side surface, the door body sealing member is sequentially provided with a member clamping groove, a matching inclined surface and a member clamping strip, a member sealing strip is arranged in the member clamping groove, the door body sealing members arranged on the two door bodies are rotationally symmetrical structures, and an inclined surface sealing strip is arranged on the matching inclined surface of one of the door body sealing members.

2. The flood-proof door according to claim 1, wherein the number of edges of the core monomer in the cross section perpendicular to the axis of the core monomer is an integer multiple of three.

3. The flood-proof door according to claim 2, wherein ​ The number of edges of the inner core monomer is six in a cross section perpendicular to the axis of the inner core monomer; The inner core monomer comprises at least five sections along its axial direction, in sequence being a top section, a first curved section, a middle section, a second curved section, and a tail section, wherein the top section, the middle section, and the tail section are straight cylinder structures, the first curved section has an included angle of 120° to 150° with the inner side or the outer side of the middle section, and the second curved section has an included angle of 120° to 150° with the inner side or the outer side of the middle section.

4. The floodgate according to claim 3, characterized in that, The length of the middle section is not less than the sum of the length of the top section and the length of the tail section.

5. The floodgate according to claim 4, characterized in that, In the projection along the axial direction of the inner core monomer, the projected thickness of the first curved section is not less than the wall thickness of the top section, and the projected thickness of the second curved section is not less than the wall thickness of the tail section.

6. The floodgate according to claim 1, characterized in that, A door lock system is arranged on the front side or the rear side of the door body and close to the other side edge of the door body; The door lock system comprises a door lock driving structure, and a top door bolt assembly, a bottom door bolt assembly, and a middle door bolt assembly which are in power connection with the door lock driving structure, the top door bolt assembly is used to realize the locking between the upper part of the door body and the door frame, the bottom door bolt assembly is used to realize the locking between the bottom part of the door body and the door frame, and the middle door bolt assembly is used to realize the locking between the two door bodies.

7. The floodgate according to claim 1, characterized in that, A door body driving assembly is arranged on the front side or the rear side of the door body and is used to drive the rotation of the door body, and the door body driving assembly is an electric driving power device.

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